{"id":3133,"date":"2026-06-17T03:20:05","date_gmt":"2026-06-17T03:20:05","guid":{"rendered":"https:\/\/regenerative-thermal-oxidation.com\/?p=3133"},"modified":"2026-06-17T03:20:05","modified_gmt":"2026-06-17T03:20:05","slug":"petrokimya-endustrisi-petrol-gaz-ve-atik-su-voc-azaltimi-icin-alkali-yikama-suyuyla-calisan-uc-yatakli-rto-cihazi","status":"publish","type":"post","link":"https:\/\/regenerative-thermal-oxidation.com\/tr\/basvuru\/petrokimya-endustrisi-petrol-gaz-ve-atik-su-voc-azaltimi-icin-alkali-yikama-suyuyla-calisan-uc-yatakli-rto-cihazi\/","title":{"rendered":"Petrokimya End\u00fcstrisi, Petrol-Gaz ve At\u0131ksu VOC Giderimi i\u00e7in Alkali Y\u0131kama + Su ile Y\u0131kama + \u00dc\u00e7 Yatakl\u0131 RTO"},"content":{"rendered":"

<\/p>\n

<\/p>\n
\n

Vaka \u0130ncelemesi \u00b7 VOC Azalt\u0131m\u0131<\/p>\n

B\u00fcy\u00fck bir entegre rafineri ve petrokimya grubu, at\u0131ksu ar\u0131tma ve yo\u011fu\u015fma geri kazan\u0131m sistemlerinden \u00e7\u0131kan, y\u00fcksek konsantrasyonlu, H\u2082S i\u00e7eren, benzen serisi y\u00fckl\u00fc 16.000 m\u00b3\/h debideki at\u0131k gazdan ,5% VOC (u\u00e7ucu organik bile\u015fik) imhas\u0131n\u0131 nas\u0131l ba\u015fard\u0131? Bu ba\u015far\u0131, \u00fc\u00e7 yatakl\u0131 RTO (yeniden \u0131s\u0131l i\u015flem) \u00fcnitesinin \u2265800\u00b0C'de \u00e7al\u0131\u015fmas\u0131 \u00f6ncesinde, \u00fc\u00e7l\u00fc yedekli LEL (alt enerji seviyesi) izleme sistemi, patlamaya dayan\u0131kl\u0131 tasar\u0131m ve oto-termal performans optimizasyonu i\u00e7in buhar \u00f6n \u0131s\u0131tmas\u0131 kullan\u0131larak ger\u00e7ekle\u015ftirildi.<\/p>\n

Petrokimyasal VOC Azalt\u0131m\u0131<\/span>
\n\u00dc\u00e7 Yatak Odal\u0131 Kiral\u0131k Daire<\/span>
\nH\u2082S Giderme \u00d6n \u0130\u015flemi<\/span>
\nPatlamaya Dayan\u0131kl\u0131 LEL Kilitleme Sistemi<\/span>
\nRafineri At\u0131ksu De\u015farj Gaz\u0131<\/span><\/div>\n<\/header>\n

<\/p>\n

\n
\n
99.5%<\/div>\n
VOC \u0130mhas\u0131<\/div>\n
NMHC 8.000\u219240 mg\/Nm\u00b3<\/div>\n<\/div>\n
\n
>95%<\/div>\n
Termal Geri Kazan\u0131m<\/div>\n
Seramik Is\u0131 Depolama<\/div>\n<\/div>\n
\n
16,000<\/div>\n
m\u00b3\/h<\/div>\n
Standart Proses Gaz\u0131<\/div>\n<\/div>\n
\n
3\u00d7 LEL<\/div>\n
Yedekli \u0130zleme<\/div>\n
2\/3 Mant\u0131ksal Kilitleme<\/div>\n<\/div>\n<\/div>\n

<\/p>\n

\n

01 \u2014 Sekt\u00f6r Hakk\u0131nda Bilgiler<\/p>\n

Petrokimya VOC Kontrol\u00fc: Patlay\u0131c\u0131, Zehirli ve Son Derece De\u011fi\u015fken Rafineri At\u0131k Gaz Ak\u0131\u015flar\u0131 i\u00e7in \u00d6nce G\u00fcvenlik Odakl\u0131 M\u00fchendislik<\/h2>\n

Petrokimya ve petrol rafineri sekt\u00f6r\u00fc, k\u00fcresel \u00f6l\u00e7ekte VOC emisyonlar\u0131n\u0131n en b\u00fcy\u00fck end\u00fcstriyel kaynaklar\u0131ndan biridir. Petrol ve rafineri \u00fcr\u00fcnleri, karma\u015f\u0131k hidrokarbon kar\u0131\u015f\u0131mlar\u0131ndan olu\u015fur ve bunlar\u0131n daha hafif, d\u00fc\u015f\u00fck kaynama noktal\u0131 fraksiyonlar\u0131 \u00f6nemli derecede u\u00e7ucudur. Ham petrol\u00fcn \u00e7\u0131kar\u0131lmas\u0131, rafine edilmesi, depolanmas\u0131, ta\u015f\u0131nmas\u0131 ve sat\u0131\u015f zinciri boyunca, proses ekipman\u0131 s\u0131n\u0131rlamalar\u0131 nedeniyle atmosfere az miktarda daha hafif hidrokarbon sal\u0131nmas\u0131 ka\u00e7\u0131n\u0131lmazd\u0131r. Petrokimya tesislerindeki VOC emisyonlar\u0131, depolama tanklar\u0131ndan, proses kab\u0131 havaland\u0131rmalar\u0131ndan, ekipman ka\u00e7aklar\u0131ndan, at\u0131k su ar\u0131tma tesisi y\u00fczeylerinden ve yo\u011fu\u015fma geri kazan\u0131m sistemi \u00e7\u0131k\u0131\u015f gazlar\u0131ndan kaynaklan\u0131r.<\/p>\n

Petrokimya sekt\u00f6r\u00fcn\u00fcn VOC azaltma zorlu\u011fu, bask\u0131, ila\u00e7 veya kaplama end\u00fcstrisi uygulamalar\u0131na k\u0131yasla benzersiz \u00fc\u00e7 \u00f6zelli\u011fe sahiptir: (1) A\u015f\u0131r\u0131 g\u00fcvenlik kritikli\u011fi<\/strong> \u2014 petrokimyasal VOC ak\u0131\u015flar\u0131 yan\u0131c\u0131 hidrokarbonlar (petrol gaz\u0131, benzen serisi), zehirli gazlar (H\u2082S) ve potansiyel olarak piroforik bile\u015fikler i\u00e7erir; bu nedenle LEL y\u00f6netimi, izin uyumlulu\u011fu gereklili\u011finden ziyade can g\u00fcvenli\u011fi gereklili\u011fidir; (2) A\u015f\u0131nd\u0131r\u0131c\u0131 gaz bile\u015fimi<\/strong> \u2014 H\u2082S ve benzen serisi bile\u015fikler, toplama borular\u0131ndan RTO yanma odas\u0131na kadar her yerde \u00f6zel malzemeler gerektiren son derece a\u015f\u0131nd\u0131r\u0131c\u0131 bir ortam olu\u015fturur; (3) Y\u00fcksek konsantrasyon de\u011fi\u015fkenli\u011fi<\/strong> \u2014 At\u0131ksu ar\u0131tma tesisinin baca gaz\u0131 konsantrasyonlar\u0131, at\u0131k y\u00fck\u00fcndeki de\u011fi\u015fikliklere ba\u011fl\u0131 olarak \u00f6nemli \u00f6l\u00e7\u00fcde dalgalanabilir; bu nedenle bir tamponlama stratejisi (tampon hacmi olarak alkali y\u0131kama kulesi) ve sa\u011flam bir konsantrasyon y\u00f6netim sistemi gereklidir.<\/p>\n

Bu vaka \u00e7al\u0131\u015fmas\u0131ndaki i\u015fletme, 8.000 \u00e7al\u0131\u015fan\u0131, 65 milyar RMB toplam varl\u0131\u011f\u0131, y\u0131ll\u0131k 10,5 milyon ton ham petrol i\u015fleme kapasitesi ve y\u00fcksek k\u00fck\u00fcrtl\u00fc kokla\u015ft\u0131rma, petrokimya \u00fcr\u00fcnleri ile grup ticareti, lojistik ve perakende operasyonlar\u0131 da dahil olmak \u00fczere \u00e7ok say\u0131da alt kademe petrokimya \u00fcr\u00fcn hatt\u0131na sahip b\u00fcy\u00fck bir entegre rafineri ve petrokimya grubudur. Tesis, \u00f6nemli bir il enerji kimyasal \u00fcretim merkezidir. VOC azaltma projesi, rafineri kompleksi i\u00e7indeki petrol-gaz geri kazan\u0131m cihaz\u0131n\u0131n kuyruk gaz\u0131 ve at\u0131ksu ar\u0131tma tesisinden \u00e7\u0131kan y\u00fcksek konsantrasyonlu at\u0131k gaz\u0131 ele almaktad\u0131r.<\/p>\n

\"Kokla\u015ft\u0131rma<\/p>\n

\n
<\/div>\n

\u201cPetrokimya at\u0131k gaz\u0131 g\u00fcvenlik y\u00f6netimi, toplama ve ar\u0131tma sisteminin hi\u00e7bir noktas\u0131nda konsantrasyonun 25% LEL'yi a\u015fmamas\u0131n\u0131 gerektirir. Alkali y\u0131kama a\u015famas\u0131n\u0131n a\u015fa\u011f\u0131s\u0131ndaki tampon tank\u0131 \u2013 kendi LEL monit\u00f6r\u00fcyle donat\u0131lm\u0131\u015f \u2013 herhangi bir kaynakta konsantrasyon art\u0131\u015f\u0131 olay\u0131 ile sistemin RTO giri\u015finde g\u00fcvenli olmayan bir duruma ula\u015fmas\u0131 aras\u0131nda yeterli acil durum kapatma tepki s\u00fcresi sa\u011flayan kritik g\u00fcvenlik unsurudur.\u201d<\/p>\n

\u2014 M\u00fchendislik Teknik \u00d6zeti, Petrokimya End\u00fcstrisi VOC Ar\u0131tma Projesi<\/cite><\/p><\/blockquote>\n<\/section>\n

\n

<\/p>\n

\n

02 \u2014 Kirlilik Profili<\/p>\n

Rafineri At\u0131k Suyu De\u015farj Gaz\u0131: 8.000 mg\/Nm\u00b3 NMHC i\u00e7eren, 60% Nem ve Patlay\u0131c\u0131 Bile\u015fimli H\u2082S, Benzen, Petrol Gaz\u0131<\/h2>\n

Bu projede ortaya \u00e7\u0131kan gaz, rafineri kompleksi i\u00e7indeki iki kaynak kategorisinden gelmektedir:<\/p>\n

    \n
  • Petrol-gaz geri kazan\u0131m cihaz\u0131 at\u0131k gaz\u0131<\/strong> (\u0130ki \u00fcnite: do\u011fu ve bat\u0131 b\u00f6lgeleri): Bunlar, rafinerinin petrol buhar\u0131 geri kazan\u0131m sistemlerinden yo\u011funla\u015ft\u0131rma ve absorpsiyondan sonra kalan at\u0131k gaz ak\u0131mlar\u0131d\u0131r. Do\u011fu b\u00f6lgesi \u00fcnitesi, NMHC <1 g\/Nm\u00b3'te aral\u0131kl\u0131 olarak 3.300 m\u00b3\/h i\u015fleme kapasitesine sahiptir; bat\u0131 b\u00f6lgesi \u00fcnitesi, NMHC <5 g\/Nm\u00b3'te aral\u0131kl\u0131 olarak 3.500 m\u00b3\/h i\u015fleme kapasitesine sahiptir; toplam tasar\u0131m maksimumu 6.800 m\u00b3\/h'dir.<\/li>\n
  • At\u0131ksu ar\u0131tma tesisinden do\u011frudan toplanan y\u00fcksek konsantrasyonlu baca gaz\u0131<\/strong>At\u0131ksu ayarlama tanklar\u0131ndan (3.000\u00d72 m\u00b3; 1.014 m\u00b3\/sa), ya\u011f ay\u0131rma tanklar\u0131ndan (300\u00d72 m\u00b3; 100,8 m\u00b3\/sa), \u00e7amur konsantrasyon tanklar\u0131ndan (60\u00d74 m\u00b3; 68 m\u00b3\/sa), flotasyon tanklar\u0131ndan (300\u00d72 m\u00b3; 100,8 m\u00b3\/sa), ya\u011f i\u00e7eren at\u0131k su havuzlar\u0131ndan (3,8\u00d74,7\u00d72; 150 m\u00b3\/sa), \u00e7\u00f6kt\u00fcrme tanklar\u0131ndan (29,6\u00d716,6\u00d71,5; 2.949 m\u00b3\/sa), havaland\u0131rma tanklar\u0131ndan (23,8\u00d714,7\u00d71; 1.400\u00d72 m\u00b3\/sa) \u00e7\u0131kan at\u0131k gaz, NMHC 5.000\u20138.000 ile birlikte 8.700 m\u00b3\/sa'lik bir tasar\u0131m ak\u0131\u015f\u0131na ula\u015fmaktad\u0131r. NMHC'de ortalama 3.500 mg\/Nm\u00b3 ve benzen serisi konsantrasyonunda ortalama 140 mg\/Nm\u00b3.<\/li>\n<\/ul>\n

    Birle\u015fik standart proses gaz hacmi 16.000 m\u00b3\/saattir (25\u00b0C'de 17.465 Nm\u00b3\/saat). Bu at\u0131k gaz\u0131n kritik g\u00fcvenlik belirleyici \u00f6zelli\u011fi, H\u2082S (rafineri proses kimyas\u0131ndan kaynaklanan hidrojen s\u00fclf\u00fcr), benzen serisi bile\u015fikler (ham petrol fraksiyonlama kal\u0131nt\u0131lar\u0131ndan kaynaklanan benzen, toluen, ksilen) ve petrol gaz\u0131 hidrokarbon buharlar\u0131n\u0131n ayn\u0131 anda gaz faz\u0131nda bulunmas\u0131d\u0131r; bu konsantrasyonlar, en y\u00fcksek y\u00fckleme ko\u015fullar\u0131nda alt patlama s\u0131n\u0131r\u0131na (LEL) yakla\u015fabilir. Nem oran\u0131 1 TP3T'de y\u00fcksektir ve gazda partik\u00fcl madde bulunmamaktad\u0131r (t\u00fcm kaynaklar s\u0131v\u0131 y\u00fczey buharla\u015fmas\u0131d\u0131r). O\u2082 i\u00e7eri\u011fi 1 TP3T'dir (buharla kar\u0131\u015fm\u0131\u015f ortam havas\u0131).<\/p>\n

    \n\n\n\n\n\n\n\n\n\n\n\n\n\n
    Parametre<\/th>\nBa\u015flang\u0131\u00e7 \u200b\u200bKonsantrasyonu<\/th>\nGer\u00e7ek \u00c7\u0131k\u0131\u015f<\/th>\nAB IED \/ NER S\u0131n\u0131r\u0131<\/th>\n<\/tr>\n<\/thead>\n
    NMHC (toplam VOC'ler)<\/td>\n8.000 mg\/Nm\u00b3 (pik)<\/td>\n40 mg\/Nm\u00b3<\/td>\nIED 2010\/75\/EU \u226420 mg\/Nm\u00b3<\/td>\n<\/tr>\n
    Benzen<\/td>\nMevcut (benzen serisi)<\/td>\n\u22642 mg\/Nm\u00b3<\/td>\nIED \u22641 mg\/Nm\u00b3<\/td>\n<\/tr>\n
    Toluen<\/td>\nSunmak<\/td>\n\u22645 mg\/Nm\u00b3<\/td>\nIED \u22643 mg\/Nm\u00b3<\/td>\n<\/tr>\n
    Ksilen<\/td>\nSunmak<\/td>\n\u22648 mg\/Nm\u00b3<\/td>\nIED \u226412 mg\/Nm\u00b3<\/td>\n<\/tr>\n
    H\u2082S, benzen serisi, petrol gaz\u0131<\/td>\nMevcut (gaz faz\u0131)<\/td>\nAlkali y\u0131kama ile \u00e7\u0131kar\u0131ld\u0131.<\/td>\nIED \/ IPPC Saha izni<\/td>\n<\/tr>\n
    Nem<\/td>\n60%<\/td>\n\u2014<\/td>\n\u2014<\/td>\n<\/tr>\n
    Standart gaz hacmi<\/td>\n16.000 m\u00b3\/saat (tasar\u0131m)<\/td>\n\u2014<\/td>\n\u2014<\/td>\n<\/tr>\n
    Proses gaz hacmi<\/td>\n25\u00b0C'de 17.465 Nm\u00b3\/h<\/td>\n\u2014<\/td>\n\u2014<\/td>\n<\/tr>\n
    Y\u0131ll\u0131k VOC azalt\u0131m\u0131<\/td>\n~685 ton\/y\u0131l<\/td>\nDo\u011fruland\u0131<\/td>\n\u2014<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

    Kritik g\u00fcvenlik uyar\u0131s\u0131:<\/strong> Alkali y\u0131kama tampon tank\u0131ndan acil durum baypas vanas\u0131na olan fan tepki mesafesi \u226560 m olmal\u0131d\u0131r (bu konfig\u00fcrasyonda 90 m'ye kadar ula\u015f\u0131labilir). Bu mesafe, y\u00fcksek LEL alarm sinyalinden sonra acil durum baypas damperinin \u00e7al\u0131\u015fmas\u0131 i\u00e7in yeterli mekanik tepki s\u00fcresini sa\u011flar ve patlay\u0131c\u0131 ko\u015fullar alt\u0131nda yan\u0131c\u0131 gaz\u0131n RTO seramik yatak sistemine girmesini \u00f6nler. Bu mesafenin 60 m'nin alt\u0131na d\u00fc\u015f\u00fcr\u00fclmesi g\u00fcvenlik ihlalidir.
    \n\"K\u00f6m\u00fcr<\/p>\n<\/section>\n

    \n

    <\/p>\n

    \n

    03 \u2014 Tedavi \u00c7\u00f6z\u00fcm\u00fc<\/p>\n

    D\u00f6rt A\u015famal\u0131 Zincir: Alkali Y\u0131kama + Su Y\u0131kama + Tampon Tank\u0131 + \u00dc\u00e7 Yatakl\u0131 RTO, \u00dc\u00e7l\u00fc LEL Kilitleme Sistemi ile<\/h2>\n

    Ar\u0131tma sistemi iki e\u015f zamanl\u0131 gereksinimi kar\u015f\u0131lamaktad\u0131r: (1) yan\u0131c\u0131, zehirli ve patlay\u0131c\u0131 at\u0131k gaz ak\u0131\u015f\u0131n\u0131n g\u00fcvenli y\u00f6netimi; ve (2) VOC'lerin >99% verimlilikle imhas\u0131. Bu iki gereksinim, sistem tasar\u0131m\u0131n\u0131n farkl\u0131 y\u00f6nlerini y\u00f6nlendirmektedir. G\u00fcvenlik y\u00f6netimi, alkali y\u0131kama, tampon tank\u0131, \u00fc\u00e7l\u00fc LEL izleme, patlamaya dayan\u0131kl\u0131 tasar\u0131m ve acil durum baypas\u0131n\u0131 y\u00f6nlendirmektedir. VOC imhas\u0131 ise \u2265800\u00b0C'de >95% termal geri kazan\u0131m ile \u00fc\u00e7 yatakl\u0131 RTO spesifikasyonunu y\u00f6nlendirmektedir.<\/p>\n

    A\u015fama 1: Organik Gaz \u00d6n U\u00e7 Toplama ve \u0130zolasyon<\/h3>\n

    At\u0131ksu ar\u0131tma tanklar\u0131ndan ve petrol-gaz geri kazan\u0131m cihaz\u0131n\u0131n at\u0131k gaz\u0131ndan elde edilen organik gaz, izolasyondan \u00f6nce \u00f6n u\u00e7ta alev tutucular ve \u00f6n ar\u0131tma ekipmanlar\u0131 arac\u0131l\u0131\u011f\u0131yla toplan\u0131r. Her bir kaynak ba\u011flant\u0131s\u0131na, RTO'da meydana gelebilecek herhangi bir tutu\u015fma olay\u0131n\u0131n toplama manifoldundan at\u0131ksu tanklar\u0131n\u0131n s\u0131v\u0131 y\u00fczeyine geri yay\u0131lmas\u0131n\u0131 \u00f6nlemek i\u00e7in alev tutucular (alev kapanlar\u0131 olarak da adland\u0131r\u0131l\u0131r) tak\u0131lm\u0131\u015ft\u0131r; bu durum tank yang\u0131n\u0131na veya patlamas\u0131na neden olabilir. T\u00fcm kaynak ba\u011flant\u0131lar\u0131, sistemin tamam\u0131n\u0131 kapatmadan bak\u0131m i\u00e7in ayr\u0131 \u00fcnitelerin izole edilmesine olanak tan\u0131yan izolasyon vanalar\u0131yla donat\u0131lm\u0131\u015ft\u0131r.<\/p>\n

    A\u015fama 2: Alkali Y\u0131kama (H\u2082S ve Asit Gaz\u0131 Giderimi)<\/h3>\n

    Ara emme fan\u0131 taraf\u0131ndan toplanan gaz, asidik bile\u015fenleri (esas olarak H\u2082S ve mevcut herhangi bir CO\u2082 veya SO\u2082) uzakla\u015ft\u0131rmak i\u00e7in alkali y\u0131kama sistemine girer. H\u2082S'nin RTO'dan \u00f6nce uzakla\u015ft\u0131r\u0131lmas\u0131 iki nedenden dolay\u0131 gereklidir: (1) RTO'da H\u2082S yanmas\u0131 SO\u2082 \u00fcretir ve bu da bu tesisin tasar\u0131m\u0131n\u0131n bir par\u00e7as\u0131 olmayan bir a\u015fa\u011f\u0131 ak\u0131\u015f FGD a\u015famas\u0131 gerektirir; (2) H\u2082S i\u00e7eren gaz, bak\u0131m personeli i\u00e7in zehirlidir ve RTO seramik yatak inceleme program\u0131n\u0131 karma\u015f\u0131kla\u015ft\u0131racak kapal\u0131 alan giri\u015f prosed\u00fcrleri gerektirir. Alkali y\u0131kama kulesi, gaz tampon tank\u0131na ge\u00e7meden \u00f6nce y\u0131kama i\u015fleminde olu\u015fan sisi bir sis giderici vas\u0131tas\u0131yla uzakla\u015ft\u0131r\u0131r.<\/p>\n

    A\u015fama 3: Tampon Tank\u0131 + LEL \u0130zleme (3\/2 Oylama Mant\u0131\u011f\u0131)<\/h3>\n

    Alkali y\u0131kamadan sonra gaz, kendi LEL konsantrasyon monit\u00f6r\u00fcne sahip bir tampon tank\u0131na girer. Tampon tank\u0131 ayn\u0131 anda iki kritik i\u015flevi yerine getirir: (1) VOC konsantrasyonundaki ani art\u0131\u015flar\u0131n zaman ortalamas\u0131n\u0131 alarak, RTO'ya giren gaz\u0131n k\u0131sa zaman dilimlerinde \u00f6nemli \u00f6l\u00e7\u00fcde de\u011fi\u015febilen ham kaynak ak\u0131\u015flar\u0131na g\u00f6re daha homojen bir konsantrasyona sahip olmas\u0131n\u0131 sa\u011flar; (2) y\u00fcksek LEL olay\u0131 tespit edildi\u011finde acil durum baypas sisteminin do\u011fru \u015fekilde \u00e7al\u0131\u015fmas\u0131 i\u00e7in gereken tepki s\u00fcresi hacmini sa\u011flar.<\/p>\n

    Ortak toplama manifolduna, 2-of-3 oylama mant\u0131\u011f\u0131 (\u00fc\u00e7 sens\u00f6rden iki sens\u00f6r al\u0131n\u0131r modu) ile \u00e7al\u0131\u015fan 3 \u00fcniteli bir LEL izleme sistemi kullan\u0131larak \u00fc\u00e7l\u00fc LEL izleme sistemi kurulmu\u015ftur: \u00fc\u00e7 LEL sens\u00f6r\u00fcnden herhangi ikisi ayn\u0131 anda 25% LEL e\u015fi\u011finin \u00fczerinde de\u011fer okursa, acil durum baypas sistemi otomatik olarak devreye girer. Bu 2-of-3 oylama d\u00fczenlemesi hem g\u00fcvenlik yedeklili\u011fi (bir sens\u00f6r ar\u0131zas\u0131 kilitlemeyi devre d\u0131\u015f\u0131 b\u0131rakmaz) hem de yanl\u0131\u015f alarm \u00f6nleme (bir sens\u00f6r ar\u0131zas\u0131 gereksiz \u00fcretim durdurmas\u0131na neden olmaz) sa\u011flar. Yeterli mekanik \u00e7al\u0131\u015ft\u0131rma s\u00fcresini sa\u011flamak i\u00e7in tampon tank\u0131ndan acil durum baypas vanas\u0131na olan minimum sens\u00f6r tepki mesafesi 60 m'dir.<\/p>\n

    Anormal ko\u015fullar alt\u0131nda (konsantrasyonun 25% LEL'nin \u00fczerine \u00e7\u0131kmas\u0131 durumunda), gaz, aktif karbon acil durum baypas\u0131ndan k\u0131sa s\u00fcreli atmosfer havaland\u0131rmas\u0131na y\u00f6nlendirilir (k\u0131sa s\u00fcreli bir acil durum \u00f6nlemi). Normal ko\u015fullar alt\u0131nda ise gaz, termal oksidasyon i\u00e7in \u00fc\u00e7 yatakl\u0131 RTO fan\u0131na girer.<\/p>\n

    \"Petrokimya<\/p>\n

    A\u015fama 4: \u2265800\u00b0C'de \u00dc\u00e7 Yatakl\u0131 RTO<\/h3>\n

    Normal ko\u015fullar alt\u0131nda, \u00f6n i\u015flemden ge\u00e7irilmi\u015f gaz (H\u2082S i\u00e7ermeyen, konsantrasyon tamponlu, 25% LEL'nin alt\u0131nda) \u00fc\u00e7 yatakl\u0131 RTO'ya girer. RTO, gaz\u0131 \u2265760\u00b0C'ye (tasar\u0131m i\u015fletme hedefi) y\u00fckseltir ve organik bile\u015fikler termal olarak CO\u2082 ve H\u2082O'ya oksitlenir. RTO'dan \u00f6nce, VOC y\u00fckl\u00fc gaz\u0131n s\u0131cakl\u0131\u011f\u0131n\u0131 y\u00fckseltmek, k\u0131smi yo\u011fu\u015fma yoluyla nem i\u00e7eri\u011fini azaltmak, VOC konsantrasyonunu art\u0131rmak ve gazdaki b\u00fcy\u00fck molek\u00fcll\u00fc ya\u011fl\u0131 maddelerin konsantrasyonunu azaltmak i\u00e7in bir buhar \u00f6n \u0131s\u0131t\u0131c\u0131s\u0131 kurulmu\u015ftur; bu sayede g\u00fcvenlik tehlikelerine yol a\u00e7abilecek RTO giri\u015f manifoldunda birikme \u00f6nlenir.<\/p>\n

    RTO, standart \u00fc\u00e7 yatakl\u0131 valf de\u011fi\u015ftirme modunda \u00e7al\u0131\u015f\u0131r: bir yatak giri\u015f modunda (\u00f6nceden \u0131s\u0131t\u0131lm\u0131\u015f seramikten gelen gaz\u0131 \u00f6nceden \u0131s\u0131tma), bir yatak \u00e7\u0131k\u0131\u015f modunda (seramik so\u011furken gaz\u0131 son i\u015flemden ge\u00e7irme), bir yatak temizleme modunda (yatak \u00e7\u0131k\u0131\u015fa ge\u00e7meden \u00f6nce kalan VOC'leri temizleme). Y\u00fcksek s\u0131cakl\u0131k acil durum baypas (k\u0131smi), yanma odas\u0131 s\u0131cakl\u0131\u011f\u0131 maksimum \u00e7al\u0131\u015fma s\u0131n\u0131r\u0131n\u0131 a\u015ft\u0131\u011f\u0131nda bacadan \u00e7\u0131k\u0131\u015ftan \u00f6nce bir kar\u0131\u015ft\u0131rma kutusuyla kar\u0131\u015ft\u0131rarak y\u00fcksek s\u0131cakl\u0131k senaryolar\u0131n\u0131 ele al\u0131r.<\/p>\n

    \n
    \n
    At\u0131ksu
    \nTanklar + Petrol
    \n\u0130yile\u015fmek<\/div>\n
    \u2192<\/div>\n
    Alev \u2b50
    \nTutuklay\u0131c\u0131lar
    \nHer Kaynak<\/div>\n
    \u2192<\/div>\n
    Alkali \u2b50
    \nY\u0131kamak
    \nH\u2082S'yi \u00e7\u0131kar\u0131n<\/div>\n
    \u2192<\/div>\n
    Tampon \u2b50
    \nTank
    \n3\u00d7LEL<\/div>\n
    \u2192<\/div>\n
    Steam \u2b50
    \n\u00d6n \u0131s\u0131tma
    \nKurutma<\/div>\n
    \u2192<\/div>\n
    3 Yatak Odal\u0131 Kiral\u0131k Daire \u2b50
    \n\u2265760\u00b0C
    \n>99% VOC<\/div>\n
    \u2192<\/div>\n
    Kar\u0131\u015f\u0131k Kutu
    \n\u2192 Y\u0131\u011f\u0131n
    \n40 mg VOC<\/div>\n<\/div>\n<\/div>\n

    \u2b50 Bu projede yeni veya g\u00fcvenlik a\u00e7\u0131s\u0131ndan kritik \u00f6neme sahip ekipmanlar bulunmaktad\u0131r. Acil durum baypas (aktif karbon) yollar\u0131, g\u00fcvenlik olaylar\u0131nda y\u00fcksek LEL gaz\u0131 RTO'nun etraf\u0131ndan dola\u015ft\u0131rarak atmosfere y\u00f6nlendirir.<\/p>\n

    Ba\u015fl\u0131ca Ekipman Parametreleri<\/h3>\n
    \n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
    \u00d6\u011fe<\/th>\n\u00d6zellikler<\/th>\n<\/tr>\n<\/thead>\n
    RTO i\u015fleme ak\u0131\u015f\u0131<\/td>\n16.000 m\u00b3\/saat; giri\u015f s\u0131cakl\u0131\u011f\u0131 \u226430\u00b0C; 25\u00d715 m taban alan\u0131; a\u011f\u0131rl\u0131k 60 ton<\/td>\n<\/tr>\n
    Tahribat \/ termal verimlilik<\/td>\n>99% \/ >95%<\/td>\n<\/tr>\n
    Yanma odas\u0131 kal\u0131\u015f s\u00fcresi<\/td>\n>1,2 s; oksidasyon >760\u00b0C<\/td>\n<\/tr>\n
    Yanma odas\u0131 derecelendirmesi<\/td>\n600.000 kcal\/saat<\/td>\n<\/tr>\n
    Do\u011falgaz (so\u011fuk \u00e7al\u0131\u015ft\u0131rma 3 saat)<\/td>\n71 m\u00b3\/sa (P: 0,03\u20130,06 MPa)<\/td>\n<\/tr>\n
    Do\u011fal gaz (bo\u015fta \u00e7al\u0131\u015fma)<\/td>\n35 m\u00b3\/h<\/td>\n<\/tr>\n
    So\u011fuk \u00e7al\u0131\u015ft\u0131rma yak\u0131t t\u00fcketimi<\/td>\nSo\u011fuk \u00e7al\u0131\u015ft\u0131rma olay\u0131 ba\u015f\u0131na 176 m\u00b3<\/td>\n<\/tr>\n
    Sistem bas\u0131n\u00e7 d\u00fc\u015f\u00fc\u015f\u00fc<\/td>\n<3.000 Pa<\/td>\n<\/tr>\n
    Fan g\u00fcc\u00fc<\/td>\n75 kW; 5.000 Pa; \u03c6600 mm kanal<\/td>\n<\/tr>\n
    LEL izleme<\/td>\n3 \u00fcnite; 2\/3 oylama mant\u0131\u011f\u0131; >25% LEL'de acil durum baypas sistemi<\/td>\n<\/tr>\n
    Elektrik s\u0131n\u0131fland\u0131rmas\u0131<\/td>\nExdIIBT4 patlamaya dayan\u0131kl\u0131<\/td>\n<\/tr>\n
    Y\u0131ll\u0131k elektrik maliyeti (8.400 saat)<\/td>\n324.240 kW\u00b7saat; yakla\u015f\u0131k 197.786 RMB\/y\u0131l (0,61 RMB\/kWh)<\/td>\n<\/tr>\n
    Y\u0131ll\u0131k bas\u0131n\u00e7l\u0131 hava maliyeti<\/td>\n20 m\u00b3\/saat; yakla\u015f\u0131k 25.200 RMB\/y\u0131l (0,15 RMB\/m\u00b3)<\/td>\n<\/tr>\n
    Y\u0131ll\u0131k do\u011falgaz maliyeti (tahmini)<\/td>\nSaatte 25.200 m\u00b3 debi; yakla\u015f\u0131k 37.800 RMB\/y\u0131l (1,5 RMB\/m\u00b3)<\/td>\n<\/tr>\n
    Y\u0131ll\u0131k kondensat buhar maliyeti<\/td>\nSaatte 688.800 kg \u00fcretim kapasitesi; yakla\u015f\u0131k 121.228 RMB\/y\u0131l (ton ba\u015f\u0131na 176 RMB)<\/td>\n<\/tr>\n
    Y\u0131ll\u0131k \u00fcretim suyu maliyeti<\/td>\n1.260 ton\/y\u0131l; yakla\u015f\u0131k 1.890 RMB\/y\u0131l (1,5 RMB\/ton)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/section>\n
    \n

    <\/p>\n

    \n

    04 \u2014 Temel Avantajlar<\/p>\n

    Petrokimya Rafinerilerinde VOC Azalt\u0131m\u0131 \u0130\u00e7in Bu Mimari Yap\u0131n\u0131n Do\u011fru Yakla\u015f\u0131m Olmas\u0131n\u0131n Be\u015f Nedeni<\/h2>\n
      \n
    • \u2713<\/span>
      \nRTO \u00f6ncesinde yap\u0131lan alkali y\u0131kama, H\u2082S'yi uzakla\u015ft\u0131r\u0131r ve yanma odas\u0131nda SO\u2082 olu\u015fumunu \u00f6nler:<\/strong> Rafineri at\u0131k suyundan \u00e7\u0131kan gazda bulunan H\u2082S, \u00f6n i\u015flem yap\u0131lmadan RTO'da yak\u0131ld\u0131\u011f\u0131nda SO\u2082 konsantrasyonuna ula\u015facak ve bu da a\u015fa\u011f\u0131 ak\u0131\u015fta kire\u00e7ta\u015f\u0131-al\u00e7\u0131ta\u015f\u0131 baca gaz\u0131 k\u00fck\u00fcrt giderme (FGD) a\u015famas\u0131 gerektirecektir (bu da \u00f6nemli sermaye ve i\u015fletme maliyetine yol a\u00e7acakt\u0131r). Alkali y\u0131kama, RTO giri\u015finden \u00f6nce H\u2082S'yi uzakla\u015ft\u0131rarak y\u0131kama s\u0131v\u0131s\u0131nda sodyum s\u00fclf\u00fcre d\u00f6n\u00fc\u015ft\u00fcr\u00fcr. Bu, asit gaz\u0131 komplikasyonlar\u0131 olmadan RTO yanma kimyas\u0131n\u0131 temiz tutar (sadece hidrokarbon + O\u2082 \u2192 CO\u2082 + H\u2082O) ve RTO sonras\u0131 herhangi bir k\u00fck\u00fcrt giderme ekipman\u0131na olan ihtiyac\u0131 ortadan kald\u0131r\u0131r.<\/li>\n
    • \u2713<\/span>
      \n\u00dc\u00e7l\u00fc LEL \u0130zleme ve 2\/3 Oylama Mant\u0131\u011f\u0131 Hem G\u00fcvenlik Yedeklili\u011fi Hem de Yanl\u0131\u015f Alarm Direnci Sa\u011flar:<\/strong> Tek sens\u00f6rl\u00fc bir LEL kilitleme sisteminin iki ar\u0131za modu vard\u0131r: g\u00fcvenlik kilidini devre d\u0131\u015f\u0131 b\u0131rakan sens\u00f6r ar\u0131zas\u0131 (tehlikeli) ve gereksiz \u00fcretim durdurmas\u0131na neden olan sens\u00f6r ar\u0131zas\u0131 (maliyetli). 3 sens\u00f6rl\u00fc, 2\/3 oylama d\u00fczeni her iki ar\u0131za modunu da ortadan kald\u0131r\u0131r: tek bir sens\u00f6r ar\u0131zas\u0131 tespit edilir \u00e7\u00fcnk\u00fc kalan iki sens\u00f6r tutarl\u0131 okumalar sa\u011flar ve tek bir sens\u00f6r ar\u0131zas\u0131 kilitlemeyi tetiklemez \u00e7\u00fcnk\u00fc di\u011fer iki sens\u00f6r hala e\u015fik de\u011ferinin alt\u0131ndad\u0131r. LEL sens\u00f6r kalibrasyon kaymas\u0131n\u0131n bilinen bir operasyonel risk oldu\u011fu petrokimya rafinerisi ortam\u0131 i\u00e7in, bu oylama mimarisi, can g\u00fcvenli\u011fi kilitlemesi i\u00e7in minimum kabul edilebilir konfig\u00fcrasyondur.<\/li>\n
    • \u2713<\/span>
      \nAlkali y\u0131kamadan sonra tampon tank\u0131, g\u00fcvenlik sisteminin gerektirdi\u011fi konsantrasyon-zaman ortalamas\u0131n\u0131 ve tepki s\u00fcresini sa\u011flar:<\/strong> Rafineri at\u0131ksu ar\u0131tma tesisinden \u00e7\u0131kan gaz konsantrasyonlar\u0131, farkl\u0131 at\u0131ksu ak\u0131\u015flar\u0131n\u0131n i\u015flenmesi ve biyolojik ar\u0131tma tank\u0131 aktivitesinin dalgalanmas\u0131yla periyodik olarak de\u011fi\u015fir. Bir tampon tank\u0131 olmadan, bir tanktan gelen VOC konsantrasyonundaki ani art\u0131\u015f, kaynakta meydana gelen art\u0131\u015ftan saniyeler sonra RTO giri\u015fine ula\u015fabilir. Tampon tank\u0131n\u0131n hacmi, LEL izleme sisteminin ani art\u0131\u015f\u0131 tespit etmesi, kontrol mant\u0131\u011f\u0131n\u0131n yan\u0131t vermesi ve acil durum baypas vanas\u0131n\u0131n fiziksel olarak \u00e7al\u0131\u015fmas\u0131 i\u00e7in gereken zaman gecikmesini sa\u011flar; bu da 16.000 m\u00b3\/h ak\u0131\u015fta minimum 60 saniyelik bir yan\u0131t s\u00fcresi anlam\u0131na gelir. Alkali y\u0131kama kulesi de bu mimaride ikincil bir tampon g\u00f6revi g\u00f6r\u00fcr.<\/li>\n
    • \u2713<\/span>
      \nRTO \u00f6ncesinde buharla \u00f6n \u0131s\u0131tma, y\u00fcksek nemli, ya\u011fl\u0131 ve y\u00fcksek konsantrasyonlu gaz\u0131n \u00fc\u00e7 zorlu\u011funu \u00e7\u00f6z\u00fcyor:<\/strong> Rafineri at\u0131ksu de\u015farj gaz\u0131n\u0131n 60% nem ve ya\u011f buhar\u0131 i\u00e7eri\u011fi, RTO i\u00e7in \u00f6zel sorunlar yarat\u0131r: (1) y\u00fcksek nem, adyabatik alev s\u0131cakl\u0131\u011f\u0131n\u0131 d\u00fc\u015f\u00fcr\u00fcr ve ek yak\u0131t t\u00fcketimini art\u0131r\u0131r; (2) ya\u011f buhar\u0131 yo\u011funla\u015fabilir ve RTO giri\u015f manifoldunda birikerek yang\u0131n riski olu\u015fturabilir; (3) y\u00fcksek konsantrasyonlar, yanma odas\u0131ndan \u00f6nce RTO seramik yata\u011f\u0131nda kontrols\u00fcz ekzotermik reaksiyonlara neden olabilir. Buhar \u00f6n \u0131s\u0131tmas\u0131, ayn\u0131 anda ba\u011f\u0131l nemi azalt\u0131r (nem eklemeden gaz s\u0131cakl\u0131\u011f\u0131n\u0131 y\u00fckselterek), ya\u011f buhar\u0131 kal\u0131nt\u0131lar\u0131n\u0131 buharla\u015ft\u0131r\u0131r ve yanma b\u00f6lgesine giren etkili VOC konsantrasyonunu \u00f6nceden seyreltir. Bu, bask\u0131 veya ila\u00e7 RTO tesislerinde bulunmayan petrokimyaya \u00f6zg\u00fc bir tasar\u0131m \u00f6zelli\u011fidir.<\/li>\n
    • \u2713<\/span>
      \nPetrokimya B\u00f6lgesi S\u0131n\u0131fland\u0131rmas\u0131 i\u00e7in ExdIIBT4 Patlamaya Dayan\u0131kl\u0131 Tasar\u0131m Zorunludur:<\/strong> T\u00fcm VOC toplama ve ar\u0131tma sistemi, ATEX Direktifi 2014\/34\/EU kapsam\u0131nda tehlikeli b\u00f6lge olarak s\u0131n\u0131fland\u0131r\u0131lan bir alanda faaliyet g\u00f6stermektedir. T\u00fcm elektrikli ekipmanlar (fan motorlar\u0131, akt\u00fcat\u00f6rler, cihazlar, ayd\u0131nlatma, kontrol panelleri), Grup IIB gazlar\u0131 (burada bulunan benzen serisi ve petrol-gaz kar\u0131\u015f\u0131mlar\u0131 dahil) i\u00e7in ExdIIBT4 patlamaya dayan\u0131kl\u0131 s\u0131n\u0131fland\u0131rmas\u0131na veya daha iyisine sahip olmal\u0131d\u0131r. Petrokimya VOC ar\u0131tma sisteminde standart dereceli elektrikli ekipman kullanmak sadece bir mevzuat ihlali de\u011fil, ayn\u0131 zamanda LEL'ye yak\u0131n konsantrasyonlarda yan\u0131c\u0131 gazlar\u0131 i\u015flemek \u00fczere tasarlanm\u0131\u015f bir sistemde ger\u00e7ek bir tutu\u015fma riskidir.<\/li>\n<\/ul>\n<\/section>\n
      \n

      <\/p>\n

      \n

      05 \u2014 Operasyonel Sonu\u00e7lar<\/p>\n

      Do\u011frulanm\u0131\u015f Performans: 99,5% VOC Giderimi ve 685 Ton\/Y\u0131l Azalma<\/h2>\n
      \n
      \n
      40 \/ 60<\/div>\n
      mg\/Nm\u00b3 ger\u00e7ek\/limit<\/div>\n
      NMHC \u2014 99.5% imha edildi<\/div>\n<\/div>\n
      \n
      685 ton\/y\u0131l<\/div>\n
      y\u0131ll\u0131k VOC azalt\u0131m\u0131<\/div>\n
      Do\u011fruland\u0131<\/div>\n<\/div>\n
      \n
      197,786<\/div>\n
      RMB\/y\u0131l elektrik<\/div>\n
      Toplam 324.240 kWh<\/div>\n<\/div>\n
      \n
      60 ton<\/div>\n
      ekipman a\u011f\u0131rl\u0131\u011f\u0131<\/div>\n
      25\u00d715 m taban alan\u0131<\/div>\n<\/div>\n<\/div>\n

      \"Petrokimya<\/p>\n

      Y\u0131ll\u0131k i\u015fletme maliyeti d\u00f6k\u00fcm\u00fc (8.400 \u00e7al\u0131\u015fma saati): 324.240 kWh elektrik (0,61 RMB\/kWh) = 197.786 RMB; 20 m\u00b3\/h bas\u0131n\u00e7l\u0131 hava (0,15 RMB\/m\u00b3) = 25.200 RMB; tahmini 1,5 RMB\/m\u00b3 do\u011fal gaz = 37.800 RMB; toplam 688.800 kg kondens buhar (176 RMB\/t) = 121.228 RMB; 1.260 t \u00fcretim suyu (1,5 RMB\/t) = 1.890 RMB. Toplam y\u0131ll\u0131k i\u015fletme maliyeti yakla\u015f\u0131k 383.904 RMB (yakla\u015f\u0131k 38,4 on bin RMB kar\u015f\u0131l\u0131\u011f\u0131). Bu, rafineri VOC azaltma sistemi i\u00e7in son derece d\u00fc\u015f\u00fck bir i\u015fletme maliyetidir ve k\u00fc\u00e7\u00fck \u00f6l\u00e7ekli (ila\u00e7 sekt\u00f6r\u00fcndeki 120.000 m\u00b3\/h'ye kar\u015f\u0131l\u0131k 16.000 m\u00b3\/h) ve neredeyse oto-termal RTO \u00e7al\u0131\u015fmas\u0131na olanak sa\u011flayan VOC a\u00e7\u0131s\u0131ndan zengin beslemeyi yans\u0131tmaktad\u0131r.<\/p>\n<\/section>\n

      \n

      <\/p>\n

      \n

      06 \u2014 Uygulama Uyar\u0131lar\u0131<\/p>\n

      Petrokimya VOC Azalt\u0131m\u0131 \u0130\u00e7in Alt\u0131 Kritik G\u00fcvenlik ve M\u00fchendislik Dersi<\/h2>\n
        \n
      • \ud83d\udeab<\/span>
        \nSistem giri\u015findeki LEL konsantrasyonu asla 25% LEL'yi a\u015fmamal\u0131d\u0131r; bu, t\u00fcm \u00fcretim s\u00fcreklili\u011fi hususlar\u0131n\u0131n \u00f6n\u00fcne ge\u00e7en bir can g\u00fcvenli\u011fi gereklili\u011fidir:<\/strong> Acil durum baypas sistemi, 2\/3 LEL kilidi devreye girdi\u011finde an\u0131nda ve otomatik olarak devreye girmelidir. \u00dcretim verimlili\u011fini korumak i\u00e7in operat\u00f6rlerin LEL kilidini devre d\u0131\u015f\u0131 b\u0131rakmas\u0131na izin verecek \u015fekilde proses kontrol odas\u0131ndan herhangi bir ge\u00e7ersiz k\u0131lma \u00f6zelli\u011fi olmamal\u0131d\u0131r. Kilitleme mant\u0131\u011f\u0131, herhangi bir DCS ar\u0131za modundan ba\u011f\u0131ms\u0131z olarak \u00e7al\u0131\u015fmas\u0131n\u0131 sa\u011flamak i\u00e7in yaz\u0131l\u0131m PLC fonksiyonu olarak de\u011fil, kablolu bir g\u00fcvenlik r\u00f6lesi (IEC 61511'e g\u00f6re SIL dereceli) olarak uygulanmal\u0131d\u0131r. Acil durum baypas vanas\u0131n\u0131n \u00e7al\u0131\u015fmas\u0131n\u0131n ayl\u0131k fonksiyonel testleri zorunludur.<\/li>\n
      • \u26a0\ufe0f<\/span>
        \nTampon tank\u0131ndan acil durum baypas vanas\u0131na kadar olan minimum fan tepki mesafesi (60 m) korunmal\u0131d\u0131r; kurulum maliyetinden tasarruf etmek i\u00e7in toplama manifoldunu k\u0131saltmay\u0131n:<\/strong> 60 m minimum mesafe, estetik bir tercih de\u011fil, g\u00fcvenlik m\u00fchendisli\u011fi gereklili\u011fidir. \u03c6600 mm'lik bir kanalda 16.000 m\u00b3\/h'lik tasar\u0131m ak\u0131\u015f\u0131nda gaz h\u0131z\u0131 yakla\u015f\u0131k 15 m\/s'dir. Tampon tank\u0131ndan acil durum baypas vanas\u0131na 60 m mesafede, konsantrasyon art\u0131\u015f\u0131n\u0131n alg\u0131lama noktas\u0131ndan baypas vanas\u0131na ula\u015fmas\u0131 i\u00e7in gereken ge\u00e7i\u015f s\u00fcresi yakla\u015f\u0131k 4 saniyedir. 2-3 mant\u0131k i\u015flem s\u00fcresi ve vana \u00e7al\u0131\u015ft\u0131rma s\u00fcresi (~2-3 saniye) eklendi\u011finde, toplam tepki s\u00fcresi yakla\u015f\u0131k 6-7 saniyedir. Bu, petrokimya LEL g\u00fcvenlik kilidi i\u00e7in kabul edilebilir minimum tepki s\u00fcresidir. Manifoldun 60 m'nin alt\u0131na k\u0131salt\u0131lmas\u0131, bu g\u00fcvenlik marj\u0131n\u0131 minimum de\u011ferin alt\u0131na d\u00fc\u015f\u00fcr\u00fcr.<\/li>\n
      • \u26a0\ufe0f<\/span>
        \nH\u2082S ve benzen bile\u015fiklerinden kaynaklanan gaz a\u015f\u0131nd\u0131r\u0131c\u0131l\u0131\u011f\u0131, t\u00fcm ekipmanlar i\u00e7in en y\u00fcksek korozyon \u00f6nleyici \u00f6zelliklere sahip olmas\u0131n\u0131 gerektirir; standart karbon \u00e7eli\u011fi 1-2 y\u0131l i\u00e7inde i\u015flevini yitirecektir:<\/strong> H\u2082S (karbon \u00e7eli\u011finde hidrojen gevrekli\u011fine ve s\u00fclf\u00fcr gerilme \u00e7atlamas\u0131na neden olur), benzen serisi \u00e7\u00f6z\u00fcc\u00fcler (standart elastomerlerde \u015fi\u015fmeye ve bozulmaya neden olur) ve y\u00fcksek nemin birle\u015fimi, end\u00fcstriyel at\u0131k gaz ar\u0131t\u0131m\u0131nda en a\u015f\u0131nd\u0131r\u0131c\u0131 gaz ortamlar\u0131ndan birini olu\u015fturur. T\u00fcm toplama manifoldlar\u0131, alkali y\u0131kama kaplar\u0131, tampon tanklar\u0131, \u00f6n ar\u0131tma ekipmanlar\u0131 ve RTO giri\u015f manifoldlar\u0131, b\u00fcy\u00fck \u00e7apl\u0131 boru ve kaplarda FRP veya cam pul epoksi kaplama ile birlikte en az 316L paslanmaz \u00e7elikten imal edilmelidir. Ekipman\u0131n hizmet \u00f6mr\u00fc, deneyim \u00f6zetinde belgelenmi\u015f bir operasyonel zorluk olarak \u00f6zellikle vurgulanmaktad\u0131r; gaz a\u015f\u0131nd\u0131r\u0131c\u0131l\u0131\u011f\u0131 g\u00fc\u00e7l\u00fcd\u00fcr ve en y\u00fcksek korozyon \u00f6nleyici spesifikasyon ba\u015ftan uygulanmad\u0131k\u00e7a ekipman hizmet \u00f6mr\u00fc tasar\u0131m gereksinimlerine ula\u015fmaz.<\/li>\n
      • \u26a0\ufe0f<\/span>
        \nRTO giri\u015f manifoldunda ya\u011fl\u0131 yo\u011fu\u015fma birikmesini \u00f6nlemek i\u00e7in buhar \u00f6n \u0131s\u0131t\u0131c\u0131s\u0131n\u0131n performans\u0131 maksimum nem ko\u015fullar\u0131 alt\u0131nda do\u011frulanmal\u0131d\u0131r:<\/strong> Buhar \u00f6n \u0131s\u0131t\u0131c\u0131s\u0131n\u0131n, rafineri at\u0131k suyunda bulunan a\u011f\u0131r ya\u011f buharlar\u0131n\u0131n \u00e7i\u011flenme noktas\u0131n\u0131n alt\u0131na d\u00fc\u015fecek \u015fekilde gaz s\u0131cakl\u0131\u011f\u0131n\u0131 yeterince y\u00fckseltmesi gerekir. \u00d6n \u0131s\u0131t\u0131c\u0131 yetersiz boyutland\u0131r\u0131lm\u0131\u015fsa veya k\u0131\u015f so\u011fuklar\u0131nda buhar besleme bas\u0131nc\u0131 d\u00fc\u015ferse, RTO giri\u015findeki ba\u011f\u0131l nem \u00e7i\u011flenme noktas\u0131n\u0131n \u00fczerinde kalabilir ve giri\u015f manifoldunda ya\u011f yo\u011funla\u015fmas\u0131na neden olabilir. RTO giri\u015f manifoldunda biriken ya\u011fl\u0131 yo\u011fu\u015fma, RTO \u00e7al\u0131\u015fma s\u0131cakl\u0131\u011f\u0131na ula\u015ft\u0131\u011f\u0131nda kendili\u011finden tutu\u015farak i\u00e7 yang\u0131n tehlikesi olu\u015fturabilir. RTO giri\u015f manifoldunda ya\u011f birikimi a\u00e7\u0131s\u0131ndan ayl\u0131k kontrol, i\u015fletmenin ilk y\u0131l\u0131ndan itibaren \u00f6nerilir.<\/li>\n
      • \u26a0\ufe0f<\/span>
        \nGaz bile\u015fiminin istikrarl\u0131 tutulmas\u0131, en \u00f6nemli operasyonel zorluktur; bu nedenle girdi malzemesi kaynaklar\u0131n\u0131 ve f\u0131r\u0131n i\u015fletimini s\u0131k\u0131 bir \u015fekilde kontrol etmek gerekir.<\/strong> Deneyim \u00f6zeti, iki temel operasyonel riski a\u00e7\u0131k\u00e7a tan\u0131mlamaktad\u0131r: (1) limitin \u00fczerinde ani y\u00fckselmelere neden olan karars\u0131z CO i\u00e7eri\u011fi; (2) tasar\u0131m de\u011ferlerini a\u015fan tepe noktalar\u0131yla dalgalanan nem ve toz seviyeleri. Yan\u0131t \u00f6nlemleri \u015funlard\u0131r: sistemin \u00e7al\u0131\u015fma istikrar\u0131n\u0131 korumak i\u00e7in hammadde kaynaklar\u0131n\u0131 s\u0131k\u0131 bir \u015fekilde kontrol etmek; kararl\u0131 gaz bile\u015fimini sa\u011flamak i\u00e7in f\u0131r\u0131n (at\u0131k su ar\u0131tma) \u00e7al\u0131\u015fmas\u0131n\u0131 kontrol etmek. Bu, at\u0131k su ar\u0131tma operasyon ekibi ve VOC ar\u0131tma sistemi operat\u00f6rleri aras\u0131nda aktif koordinasyon gerektirir ve planlanan at\u0131k su bile\u015fimi de\u011fi\u015fiklikleri i\u00e7in resmi bir ileti\u015fim protokol\u00fc gereklidir.<\/li>\n
      • \u26a0\ufe0f<\/span>
        \nOperat\u00f6r g\u00fcvenli\u011fi e\u011fitimini s\u00fcrekli olarak geli\u015ftirin ve acil durum m\u00fcdahale planlar\u0131n\u0131 ger\u00e7ek operasyonel deneyimi yans\u0131tacak \u015fekilde revize edin:<\/strong> Petrokimya tesis operat\u00f6rleri, hem normal RTO i\u015fletme prosed\u00fcrlerini hem de H\u2082S sal\u0131n\u0131m\u0131 olaylar\u0131, LEL a\u015f\u0131m\u0131 olaylar\u0131 ve RTO a\u015f\u0131r\u0131 \u0131s\u0131nma olaylar\u0131 i\u00e7in acil m\u00fcdahale prosed\u00fcrlerini anlamal\u0131d\u0131r. Acil m\u00fcdahale planlar\u0131, mevcut kurulu konfig\u00fcrasyonla g\u00fcncel tutulmal\u0131d\u0131r, \u00e7\u00fcnk\u00fc toplama sisteminde yap\u0131lacak herhangi bir de\u011fi\u015fiklik, yeni at\u0131k su kaynaklar\u0131n\u0131n eklenmesi veya alkali y\u0131kama kimyas\u0131ndaki de\u011fi\u015fiklikler m\u00fcdahale gereksinimlerini de\u011fi\u015ftirebilir. T\u00fcm \u00fc\u00e7 acil durum senaryosunu (H\u2082S sal\u0131n\u0131m\u0131, LEL a\u015f\u0131m\u0131, RTO a\u015f\u0131r\u0131 \u0131s\u0131nma) kapsayan y\u0131ll\u0131k acil m\u00fcdahale tatbikatlar\u0131, bir olay meydana geldi\u011finde g\u00f6revde olabilecek t\u00fcm operat\u00f6rlerle birlikte yap\u0131lmal\u0131d\u0131r.<\/li>\n<\/ul>\n<\/section>\n
        \n

        <\/p>\n

        \n

        07 \u2014 M\u00fchendislikten \u00c7\u0131kar\u0131mlar<\/p>\n

        Bu Petrokimya VOC Azaltma Projesinden \u00c7\u0131kar\u0131lan D\u00f6rt Ders<\/h2>\n
          \n
        • !<\/span>
          \nG\u00fcvenlik mimarisi (alkali y\u0131kama + tampon + \u00fc\u00e7l\u00fc LEL + ExdIIBT4 tasar\u0131m\u0131), petrokimya RTO uygulamalar\u0131 i\u00e7in bir uyumluluk y\u00fck\u00fc de\u011fil, kurulumu uygulanabilir k\u0131lan m\u00fchendislik temelidir.<\/strong> G\u00fcvenlik \u00f6nlemlerinin \u00f6nemli oldu\u011fu ancak as\u0131l amac\u0131n emisyon uyumlulu\u011fu oldu\u011fu bask\u0131 veya ila\u00e7 RTO uygulamalar\u0131n\u0131n aksine, petrokimya RTO uygulamalar\u0131n\u0131n as\u0131l amac\u0131, ger\u00e7ekten patlay\u0131c\u0131 tehlike i\u00e7eren bir ortamda g\u00fcvenli \u00e7al\u0131\u015fma sa\u011flamakt\u0131r. Alkali y\u0131kama, en tehlikeli bile\u015fi\u011fi (H\u2082S) RTO'ya ula\u015fmadan \u00f6nce uzakla\u015ft\u0131r\u0131r, tampon tank\u0131 g\u00fcvenlik sisteminin ihtiya\u00e7 duydu\u011fu tepki s\u00fcresini sa\u011flar, \u00fc\u00e7l\u00fc LEL kilidi patlay\u0131c\u0131 kar\u0131\u015f\u0131mlar\u0131n RTO'ya girmesini \u00f6nler ve ExdIIBT4 s\u0131n\u0131fland\u0131rmas\u0131 elektriksel tutu\u015fmay\u0131 engeller. Bunlardan herhangi birinin eksik olmas\u0131, CEMS verilerinin ne g\u00f6sterdi\u011fine bak\u0131lmaks\u0131z\u0131n kurulumu g\u00fcvensiz hale getirir.<\/li>\n
        • 2<\/span>
          \nH\u2082S'nin giderilmesi i\u00e7in RTO'dan \u00f6nce alkali y\u0131kama yap\u0131lmas\u0131, sonradan baca gaz\u0131 k\u00fck\u00fcrt giderme i\u015flemine olan ihtiyac\u0131 ortadan kald\u0131r\u0131r ve genel sistemi alternatifine g\u00f6re \u00f6nemli \u00f6l\u00e7\u00fcde daha basit ve daha d\u00fc\u015f\u00fck maliyetli hale getirir.<\/strong> H\u2082S i\u00e7eren petrokimya at\u0131k gaz\u0131 do\u011frudan RTO'ya g\u00f6nderilirse, yanma kimyas\u0131, a\u015fa\u011f\u0131 ak\u0131\u015fta kire\u00e7ta\u015f\u0131-jips baca gaz\u0131 k\u00fck\u00fcrt giderme (FGD) a\u015famas\u0131n\u0131 gerektiren konsantrasyonlarda SO\u2082 \u00fcretecektir (bu da RTO maliyetinin -401'ine e\u015fde\u011fer bir sermaye maliyeti ve devam eden bir kire\u00e7ta\u015f\u0131 reaktif maliyeti anlam\u0131na gelir). Alkali y\u0131kama, H\u2082S'yi kayna\u011f\u0131nda yakalayarak SO\u2082 olu\u015fumunu \u00f6nler; bu da RTO maliyetinin yakla\u015f\u0131k -151'ine e\u015fde\u011fer bir sermaye maliyeti ve devam eden bir NaOH reaktif maliyeti anlam\u0131na gelir. H\u2082S'nin bulundu\u011fu petrokimya uygulamalar\u0131nda, RTO \u00f6ncesi alkali y\u0131kama \u00e7o\u011fu durumda ekonomik olarak daha \u00fcst\u00fcn bir se\u00e7enektir.<\/li>\n
        • 3<\/span>
          \nBuharla \u00f6n \u0131s\u0131tma, nemi ve ya\u011fl\u0131 yo\u011fu\u015fmay\u0131 ayn\u0131 anda ele alan petrokimya sekt\u00f6r\u00fcne \u00f6zg\u00fc bir tasar\u0131m \u00f6zelli\u011fidir; bask\u0131 veya ila\u00e7 RTO uygulamalar\u0131nda bulunmaz.<\/strong> Rafineri at\u0131k suyundan \u00e7\u0131kan gaz\u0131n nem ve ya\u011f buhar\u0131 i\u00e7eri\u011fi (60%), bask\u0131 (kuru solvent buharlar\u0131) ve ila\u00e7 (nispeten d\u00fc\u015f\u00fck ya\u011f i\u00e7eri\u011fi) uygulamalar\u0131nda bulunmayan sorunlar yarat\u0131r. RTO'dan \u00f6nce buharla \u00f6n \u0131s\u0131tma, petrokimya uygulamalar\u0131 i\u00e7in \u00f6zel olarak geli\u015ftirilmi\u015f bir \u00e7\u00f6z\u00fcmd\u00fcr: ayn\u0131 anda ba\u011f\u0131l nemi azalt\u0131r, ya\u011f buhar\u0131n\u0131 RTO manifoldunda yo\u011funla\u015fmadan \u00f6nce buharla\u015ft\u0131r\u0131r ve gaz s\u0131cakl\u0131\u011f\u0131n\u0131 RTO giri\u015f gereksinimine do\u011fru y\u00fckseltmeye yard\u0131mc\u0131 olur. Bask\u0131 veya ila\u00e7 uygulamalar\u0131 i\u00e7in RTO sistemleri tasarlayan ve tasar\u0131mlar\u0131n\u0131 petrokimya uygulamas\u0131na uyarlamalar\u0131 istenen m\u00fchendisler, buhar \u00f6n \u0131s\u0131t\u0131c\u0131s\u0131n\u0131 zorunlu bir de\u011fi\u015fiklik olarak eklemelidir.<\/li>\n
        • 4<\/span>
          \nSaatte 16.000 m\u00b3 ve 8.000 mg\/Nm\u00b3 NMHC de\u011ferlerinde, y\u0131ll\u0131k i\u015fletme maliyeti yakla\u015f\u0131k 38.400 RMB olup, incelenen 23 vaka \u00e7al\u0131\u015fmas\u0131n\u0131n en d\u00fc\u015f\u00fckleri aras\u0131ndad\u0131r.<\/strong> K\u00fc\u00e7\u00fck \u00f6l\u00e7ekli (di\u011fer durumlarda 60.000\u2013120.000 m\u00b3\/h'ye kar\u015f\u0131l\u0131k 16.000 m\u00b3\/h) ve y\u00fcksek giri\u015f VOC konsantrasyonunun (ek yak\u0131t olmadan ototermal \u00e7al\u0131\u015fmaya yakla\u015fan) birle\u015fimi, bu tesiste \u00e7ok d\u00fc\u015f\u00fck i\u015fletme maliyeti sa\u011flar. VOC a\u00e7\u0131s\u0131ndan zengin rafineri at\u0131k suyu gaz\u0131 enerji a\u00e7\u0131s\u0131ndan yo\u011fundur: 8.000 mg\/Nm\u00b3 NMHC'de, VOC ak\u0131\u015f\u0131ndaki kimyasal enerji, normal \u00fcretim s\u0131ras\u0131nda ek do\u011fal gaz olmadan RTO yanma odas\u0131 s\u0131cakl\u0131\u011f\u0131n\u0131 korumak i\u00e7in yeterlidir; bu da fan i\u00e7in elektrik maliyetini (197.786 RMB\/y\u0131l) en b\u00fcy\u00fck maliyet kalemi haline getirir.<\/li>\n<\/ul>\n<\/section>\n
          \n

          <\/p>\n

          \n

          08 \u2014 S\u0131k\u00e7a Sorulan Sorular<\/p>\n

          Petrokimya Rafinerilerinde VOC RTO Azalt\u0131m\u0131: On Soruya Cevap<\/h2>\n

          AB IED \/ Hollanda ATEX \/ Omgevingswet gereklilikleri kapsam\u0131nda alkali y\u0131kama + RTO VOC azaltma sistemleri planlayan petrol rafinerisi, petrokimya ve enerji kimyasal tesislerindeki HSE y\u00f6neticileri, proses m\u00fchendisleri ve \u00e7evre izin ekiplerinden gelen sorular.<\/p>\n

          \nS1. Bask\u0131 veya ila\u00e7 uygulamalar\u0131nda gerek duyulmazken, \u00f6zellikle petrokimya uygulamalar\u0131nda RTO \u00f6ncesinde neden alkali y\u0131kama gereklidir?<\/summary>\n
          Petrokimya at\u0131k gaz\u0131 H\u2082S (hidrojen s\u00fclf\u00fcr) i\u00e7erdi\u011finden, petrokimya RTO'sundan \u00f6nce alkali y\u0131kama gereklidir; bu madde bask\u0131 ve ila\u00e7 uygulamalar\u0131nda bulunmaz. H\u2082S, RTO'da yak\u0131ld\u0131\u011f\u0131nda SO\u2082 (k\u00fck\u00fcrt dioksit) \u00fcretir: 2H\u2082S + 3O\u2082 \u2192 2SO\u2082 + 2H\u2082O. RTO'nun \u00e7\u0131k\u0131\u015f\u0131nda baca gaz\u0131 k\u00fck\u00fcrt giderme (FGD) sistemi olmadan, bu SO\u2082 atmosfere AB IED izin limitlerinin \u00fczerinde k\u00fck\u00fcrt dioksit konsantrasyonlar\u0131nda sal\u0131n\u0131r. RTO'nun \u00e7\u0131k\u0131\u015f\u0131na FGD sistemi kurmak, \u00f6nemli bir sermaye maliyeti ve s\u00fcrekli kire\u00e7ta\u015f\u0131\/NaOH reaktif maliyeti ekleyecektir. Alkali y\u0131kama, RTO giri\u015finden \u00f6nce H\u2082S'yi yakalar (NaOH + H\u2082S \u2192 NaHS + H\u2082O), b\u00f6ylece RTO yanma kimyas\u0131 temiz kal\u0131r ve \u00e7\u0131k\u0131\u015fta k\u00fck\u00fcrt giderme ihtiyac\u0131n\u0131 ortadan kald\u0131r\u0131r. \u0130la\u00e7 \u00fcretiminde kullan\u0131lan RTO \u00f6ncesi suyla y\u0131kama i\u015flemi farkl\u0131 bir amaca hizmet eder: ila\u00e7 sentezi at\u0131k gaz\u0131ndan suda \u00e7\u00f6z\u00fcnebilen organik maddeleri ve asit gazlar\u0131n\u0131 uzakla\u015ft\u0131rmak; bu, petrokimya uygulamalar\u0131nda bulunmayan farkl\u0131 bir bile\u015fik grubudur.<\/div>\n<\/details>\n
          \nS2. Petrokimya rafinerilerindeki VOC emisyonlar\u0131na ili\u015fkin Hollanda ve AB d\u00fczenleyici \u00e7er\u00e7evelerinden hangileri ge\u00e7erlidir?<\/summary>\n
          Hollanda'daki petrol rafinerileri ve b\u00fcy\u00fck petrokimya kompleksleri, rafinerideki b\u00fcy\u00fck end\u00fcstriyel tesisler ve b\u00fcy\u00fck VOC emisyonu yapan sekt\u00f6rler olarak AB IED 2010\/75\/EU kapsam\u0131nda d\u00fczenlenmektedir. Rafineri BREF'inden elde edilen ge\u00e7erli BAT sonu\u00e7lar\u0131, toplam VOC, benzen, H\u2082S (bacada SO\u2082 e\u015fde\u011feri olarak) ve di\u011fer d\u00fczenlenmi\u015f bile\u015fikler i\u00e7in emisyon limit de\u011ferlerini belirler. Hollanda izinleri Omgevingswet kapsam\u0131nda verilir ve Omgevingsdienst'ten tesise \u00f6zg\u00fc limitler belirlenir. ATEX Direktifi 2014\/34\/EU, rafineri i\u00e7indeki t\u00fcm patlay\u0131c\u0131 atmosfer b\u00f6lgeleri i\u00e7in ge\u00e7erlidir ve b\u00f6lge s\u0131n\u0131fland\u0131rmas\u0131 ve patlamaya kar\u015f\u0131 korumal\u0131 ekipman gerektirir. LEL izleme ve g\u00fcvenlik kilitleme sistemi, risk de\u011ferlendirme sonucuna ba\u011fl\u0131 olarak SIL 1 veya SIL 2 (IEC 61511'e g\u00f6re G\u00fcvenlik B\u00fct\u00fcnl\u00fc\u011f\u00fc Seviyesi) olarak tasarlanmal\u0131d\u0131r. CEMS, EN 12619 (VOC i\u00e7in FID) ve EN 14181 (QAL1\/QAL2\/AST) standartlar\u0131na g\u00f6re sertifikaland\u0131r\u0131lmal\u0131d\u0131r. Hollanda'n\u0131n NTA 8800 bina performans standartlar\u0131na g\u00f6re, yerle\u015fim alanlar\u0131na yak\u0131n ila\u00e7 ve kimya tesisleri ek ortam hava kalitesi izleme gereksinimlerine tabidir.<\/div>\n<\/details>\n
          \nS3. LEL kilidi devreye girdi\u011finde ne olur? Sistem nas\u0131l tepki verir ve yeniden ba\u015flat\u0131lmas\u0131 ne kadar s\u00fcrer?<\/summary>\n
          2-3 LEL kilidi etkinle\u015fti\u011finde (\u00fc\u00e7 sens\u00f6rden ikisi ayn\u0131 anda 25% LEL'nin \u00fczerinde okuma yapt\u0131\u011f\u0131nda): (1) Acil durum baypas vanas\u0131 a\u00e7\u0131l\u0131r ve y\u00fcksek konsantrasyonlu gaz ak\u0131\u015f\u0131, aktif karbon acil durum baypas\u0131na (k\u0131sa s\u00fcreli olaylar i\u00e7in) veya acil durum bacas\u0131 yoluyla atmosfere y\u00f6nlendirilir; (2) RTO giri\u015f izolasyon vanas\u0131 kapan\u0131r ve yan\u0131c\u0131 gaz\u0131n RTO'ya girmesi \u00f6nlenir; (3) RTO, seramik yatak s\u0131cakl\u0131\u011f\u0131n\u0131 korumak i\u00e7in seyreltme havas\u0131 (ortam havas\u0131 tahliyesi) ile \u00e7al\u0131\u015fmaya devam eder; (4) Kontrol odas\u0131 operat\u00f6r\u00fc, tetikleyici sens\u00f6rlerin kimlikleri ve \u00f6l\u00e7\u00fclen konsantrasyonlar ile derhal uyar\u0131l\u0131r. Bir LEL olay\u0131ndan sonra normal \u00e7al\u0131\u015fmay\u0131 yeniden ba\u015flatmak i\u00e7in: (1) Konsantrasyon art\u0131\u015f\u0131n\u0131n kayna\u011f\u0131n\u0131 belirleyin ve d\u00fczeltin (tipik olarak anormal derecede y\u00fcksek organik y\u00fcke sahip bir at\u0131k su tank\u0131); (2) \u00dc\u00e7 sens\u00f6r\u00fcn t\u00fcm\u00fcnde LEL'nin 25%'nin alt\u0131nda oldu\u011funu do\u011frulay\u0131n; (3) Konsantrasyonun sabit kald\u0131\u011f\u0131n\u0131 do\u011frulamak i\u00e7in RTO giri\u015f vanas\u0131n\u0131 kademeli olarak yeniden a\u00e7\u0131n; (4) Olay\u0131 izin gerekliliklerine g\u00f6re g\u00fcvenlik g\u00fcnl\u00fc\u011f\u00fcne kaydedin.<\/div>\n<\/details>\n
          \nS4. Alkali y\u0131kama (NaOH) i\u015fleminin farmas\u00f6tik kostik y\u0131kama i\u015fleminden fark\u0131 nedir?<\/summary>\n
          Petrokimya sekt\u00f6r\u00fcnde RTO \u00f6ncesi alkali y\u0131kama ve farmas\u00f6tik sekt\u00f6rde RTO sonras\u0131 kostik y\u0131kama, farkl\u0131 uzakla\u015ft\u0131rma i\u015flevlerine sahiptir ve farkl\u0131 y\u00f6netim yakla\u015f\u0131mlar\u0131 gerektirir. Petrokimya uygulamas\u0131nda, alkali y\u0131kama, RTO \u00f6ncesinde mevcut olan H\u2082S'yi (NaHS olu\u015fturarak) ve SO\u2082 veya CO\u2082'yi uzakla\u015ft\u0131r\u0131r. NaHS i\u00e7eren y\u0131kama s\u0131v\u0131s\u0131, toksik at\u0131k su olarak s\u0131n\u0131fland\u0131r\u0131l\u0131r ve buna g\u00f6re y\u00f6netilmelidir; standart bir end\u00fcstriyel drenaja at\u0131lamaz. Farmas\u00f6tik uygulamada, kostik y\u0131kama, RTO sonras\u0131nda RTO yanmas\u0131yla olu\u015fan HCl'yi (NaCl olu\u015fturarak) uzakla\u015ft\u0131r\u0131r. NaCl y\u0131kama s\u0131v\u0131s\u0131 nispeten zarars\u0131zd\u0131r ve tipik olarak farmas\u00f6tik at\u0131k su ar\u0131tma sistemine y\u00f6nlendirilebilir. Ortak tasar\u0131m prensipleri: her ikisi de otomatik NaOH dozlamas\u0131yla s\u00fcrekli pH izleme gerektirir; her ikisi de minimum 72 saatlik \u00f6zerklik i\u00e7in yeterli NaOH depolama gerektirir; her ikisi de korozyona dayan\u0131kl\u0131 (polipropilen veya FRP) kap yap\u0131s\u0131 gerektirir.<\/div>\n<\/details>\n
          \nS5. Buhar \u00f6n \u0131s\u0131t\u0131c\u0131s\u0131n\u0131n amac\u0131 nedir ve yat\u0131r\u0131m maliyetini d\u00fc\u015f\u00fcrmek i\u00e7in \u00e7\u0131kar\u0131labilir mi?<\/summary>\n
          Buhar \u00f6n \u0131s\u0131t\u0131c\u0131s\u0131 ihmal edilemez. G\u00fcvenilir petrokimya RTO i\u015fletimi i\u00e7in gerekli olan \u00fc\u00e7 e\u015f zamanl\u0131 i\u015flevi yerine getirir: (1) Nem azalt\u0131m\u0131 \u2014 60% ba\u011f\u0131l nemde, gelen gaz yeterli miktarda su buhar\u0131 ta\u015f\u0131r ve bu da RTO yanma odas\u0131 s\u0131cakl\u0131\u011f\u0131n\u0131n kuru gaza k\u0131yasla \u00f6nemli \u00f6l\u00e7\u00fcde d\u00fc\u015fmesine, ek yak\u0131t t\u00fcketiminin artmas\u0131na ve etkili VOC imha verimlili\u011finin azalmas\u0131na neden olur; buhar \u00f6n \u0131s\u0131tmas\u0131 gaz s\u0131cakl\u0131\u011f\u0131n\u0131 y\u00fckselterek RTO giri\u015findeki ba\u011f\u0131l nemi azalt\u0131r; (2) Ya\u011f buhar\u0131 giderimi \u2014 rafineri at\u0131k suyu de\u015farj gaz\u0131, ortam s\u0131cakl\u0131\u011f\u0131nda RTO giri\u015f manifoldunda yo\u011funla\u015fan ve RTO \u0131s\u0131nd\u0131\u011f\u0131nda yang\u0131n riski olu\u015fturan ya\u011f aerosol buhar\u0131 ta\u015f\u0131r; buhar \u00f6n \u0131s\u0131tmas\u0131, bu buhar\u0131 manifolda ula\u015fmadan \u00f6nce buharla\u015ft\u0131r\u0131r; (3) Konsantrasyon y\u00f6netimi \u2014 8.000 mg\/Nm\u00b3 NMHC tepe noktas\u0131nda, VOC konsantrasyonu seramik yatak \u00f6n \u0131s\u0131tma b\u00f6lgesi i\u00e7in ototermal e\u015fi\u011fin \u00fczerindedir ve yanma odas\u0131ndan \u00f6nce yatakta kontrols\u00fcz ekzotermik reaksiyon riski olu\u015fturur; Buhar \u00f6n \u0131s\u0131tmas\u0131, seramik yatak giri\u015findeki etkili konsantrasyonu kontrol eder. Buhar \u00f6n \u0131s\u0131t\u0131c\u0131s\u0131n\u0131n kullan\u0131lmamas\u0131, ya\u011f birikimi yang\u0131n\u0131 riskine, g\u00fcvenilir olmayan yanma s\u0131cakl\u0131\u011f\u0131 kontrol\u00fcne ve seramik yatakta potansiyel hasara yol a\u00e7ar. Buhar maliyeti (yakla\u015f\u0131k 121.228 RMB\/y\u0131l), bu g\u00fcvenlik ve g\u00fcvenilirlik avantajlar\u0131yla hakl\u0131 \u00e7\u0131kar\u0131lmaktad\u0131r.<\/div>\n<\/details>\n
          \nS6. ExdIIBT4 patlamaya dayan\u0131kl\u0131 s\u0131n\u0131fland\u0131rmas\u0131 ne anlama geliyor ve neden \u00f6zellikle burada ge\u00e7erli?<\/summary>\n
          ExdIIBT4, ATEX patlamaya dayan\u0131kl\u0131 ekipman s\u0131n\u0131fland\u0131rmas\u0131d\u0131r: Ex = patlamaya kar\u015f\u0131 korumal\u0131; d = alev ge\u00e7irmez muhafaza koruma konsepti (muhafaza, d\u0131\u015f atmosfere yay\u0131lmadan i\u00e7 tutu\u015fmaya dayanabilir); IIB = Ekipman Grubu IIB, maksimum deneysel g\u00fcvenli bo\u015fluk (MESG) 0,45 mm ile 0,85 mm aras\u0131nda olan gazlar i\u00e7in uygundur (hidrojen, etilen ve bir\u00e7ok petrokimyasal \u00e7\u00f6z\u00fcc\u00fc i\u00e7erir; IIA bu gazlar i\u00e7in yeterli olmaz); T4 = maksimum y\u00fczey s\u0131cakl\u0131\u011f\u0131 s\u0131n\u0131f\u0131 135\u00b0C (mevcut gazlar\u0131n kendili\u011finden tutu\u015fma s\u0131cakl\u0131\u011f\u0131n\u0131n alt\u0131nda). Petrokimyasal VOC azaltma sistemi, tesisin ATEX b\u00f6lge \u00e7iziminde s\u0131n\u0131fland\u0131r\u0131ld\u0131\u011f\u0131 gibi, B\u00f6lge 1 veya B\u00f6lge 2 tehlikeli alanlar\u0131n\u0131n i\u00e7inde veya biti\u015fi\u011finde \u00e7al\u0131\u015f\u0131r. Bu b\u00f6lgelerdeki t\u00fcm elektrikli ekipmanlar uygun ATEX sertifikas\u0131na sahip olmal\u0131d\u0131r. IIB s\u0131cakl\u0131k s\u0131n\u0131f\u0131 T4, benzen (kendili\u011finden tutu\u015fma s\u0131cakl\u0131\u011f\u0131 498\u00b0C) ve H\u2082S'nin (kendili\u011finden tutu\u015fma s\u0131cakl\u0131\u011f\u0131 260\u00b0C) mevcut olmas\u0131 nedeniyle belirtilmi\u015ftir; T4 (135\u00b0C y\u00fczey s\u0131cakl\u0131\u011f\u0131 limiti) her ikisi i\u00e7in de yeterli g\u00fcvenlik marj\u0131 sa\u011flar.<\/div>\n<\/details>\n
          \nS7. At\u0131ksu ar\u0131tma tesisinden kaynaklanan gaz bile\u015fimindeki de\u011fi\u015fkenlik, istikrarl\u0131 RTO performans\u0131n\u0131 sa\u011flamak i\u00e7in nas\u0131l y\u00f6netilir?<\/summary>\n
          De\u011fi\u015fkenlik y\u00f6netim zinciri \u00fc\u00e7 unsurdan olu\u015fur: (1) Kaynak kontrol\u00fc \u2014 at\u0131k su ar\u0131tma operasyonlar\u0131 ekibinin, at\u0131k su besleme bile\u015fiminde planlanan herhangi bir de\u011fi\u015fiklikten (\u00f6rne\u011fin yeni proses at\u0131k su ak\u0131\u015flar\u0131, biyolojik ar\u0131tma dozaj\u0131nda \u200b\u200bde\u011fi\u015fiklikler) \u00f6nce VOC ar\u0131tma ekibini bilgilendirmesi gerekmektedir. Beklenmedik VOC art\u0131\u015flar\u0131na neden olan \u00f6nceden haber verilmeyen bile\u015fim de\u011fi\u015fiklikleri, i\u015fletme istikrars\u0131zl\u0131\u011f\u0131n\u0131n birincil nedenidir; (2) Tampon tank ortalamas\u0131 \u2014 alkali y\u0131kamadan sonraki tampon tank, konsantrasyon dalgalanmalar\u0131n\u0131n zaman ortalamas\u0131n\u0131 sa\u011flar. Tasar\u0131m ko\u015fullar\u0131nda 3-5 dakikal\u0131k gaz ak\u0131\u015f\u0131 i\u00e7in boyutland\u0131r\u0131lm\u0131\u015f bir tank hacmi, k\u0131sa s\u00fcreli art\u0131\u015flar\u0131 d\u00fczeltirken, kontrol sisteminin s\u00fcrekli y\u00fcksek konsantrasyon olaylar\u0131na yan\u0131t vermesine olanak tan\u0131r; (3) DCS entegre yanma s\u0131cakl\u0131\u011f\u0131 y\u00f6netimi \u2014 RTO br\u00fcl\u00f6r kontrol sistemi, yanma odas\u0131 s\u0131cakl\u0131\u011f\u0131ndaki de\u011fi\u015fikliklere (VOC \u0131s\u0131 sal\u0131n\u0131m\u0131ndaki de\u011fi\u015fikliklerin g\u00f6stergesi) br\u00fcl\u00f6r ate\u015fleme h\u0131z\u0131n\u0131 ayarlayarak otomatik olarak yan\u0131t verir. Bu geri besleme d\u00f6ng\u00fcs\u00fc, yanma s\u0131cakl\u0131\u011f\u0131 \u00f6l\u00e7\u00fcm\u00fcn\u00fcn yan\u0131t s\u00fcresi (tipik olarak 10-30 saniye) i\u00e7inde VOC konsantrasyon de\u011fi\u015fikliklerini telafi eder.<\/div>\n<\/details>\n
          \nS8. Hollanda izin ko\u015fullar\u0131 alt\u0131nda petrokimya VOC azaltma sistemi i\u00e7in hangi CEMS izleme y\u00f6ntemleri gereklidir?<\/summary>\n
          Hollanda petrokimya rafinerisi VOC azalt\u0131m\u0131 i\u00e7in \u00e7evre izni ko\u015fullar\u0131: bacadan \u00e7\u0131kan toplam VOC (FID, s\u00fcrekli, EN 12619); bacadan \u00e7\u0131kan benzen (periyodik \u00f6rnekleme, akredite laboratuvar, y\u0131lda en az 2 kez); alkali y\u0131kama \u00e7\u0131k\u0131\u015f\u0131ndan \u00e7\u0131kan H\u2082S (s\u00fcrekli, alkali y\u0131kama performans\u0131n\u0131n g\u00f6stergesi olarak); bacadan \u00e7\u0131kan SO\u2082 (s\u00fcrekli veya periyodik, \u00e7\u00fcnk\u00fc alkali y\u0131kama ba\u015far\u0131s\u0131z olursa H\u2082S yanmas\u0131 SO\u2082 \u00fcretecektir); RTO \u00e7\u0131k\u0131\u015f\u0131ndan \u00e7\u0131kan CO (s\u00fcrekli, eksik yanman\u0131n g\u00f6stergesi olarak); RTO yanma odas\u0131 s\u0131cakl\u0131\u011f\u0131 (s\u00fcrekli, \u2265760\u00b0C'yi do\u011frular); ak\u0131\u015f ve O\u2082 (s\u00fcrekli, referans d\u00fczeltmeleri i\u00e7in). Toplama manifoldundaki \u00fc\u00e7 noktada LEL (s\u00fcrekli, g\u00fcvenlik a\u00e7\u0131s\u0131ndan kritik). T\u00fcm \u00e7evresel CEMS'lerin EN 14181 standard\u0131na g\u00f6re sertifikaland\u0131r\u0131lmas\u0131 gerekmektedir. LEL izleme, g\u00fcvenlik a\u00e7\u0131s\u0131ndan kritik bir cihaz olarak s\u0131n\u0131fland\u0131r\u0131l\u0131r ve yaln\u0131zca AB IED CEMS standartlar\u0131na de\u011fil, fonksiyonel g\u00fcvenlik standartlar\u0131na (IEC 61511\/61508) tabidir. Sertifikal\u0131 kalibrasyon gaz kar\u0131\u015f\u0131mlar\u0131 kullan\u0131larak \u00fc\u00e7 LEL sens\u00f6r\u00fcn\u00fcn de y\u0131ll\u0131k kalibrasyonu zorunludur.<\/div>\n<\/details>\n
          \nS9. Bu petrokimya tesisi, kokla\u015ft\u0131rma end\u00fcstrisi veya k\u00f6m\u00fcr madeni gaz\u0131 RTO uygulamas\u0131ndan nas\u0131l farkl\u0131l\u0131k g\u00f6sterir?<\/summary>\n
          \u00dc\u00e7 uygulama da (petrokimya, kokla\u015ft\u0131rma ve k\u00f6m\u00fcr madeni gaz\u0131) patlamaya dayan\u0131kl\u0131 tasar\u0131m ve alt patlama s\u0131n\u0131r\u0131 (LEL) y\u00f6netimi i\u00e7in temel gereksinimi payla\u015f\u0131r, ancak gaz bile\u015fimi ve konsantrasyon y\u00f6netimi yakla\u015f\u0131m\u0131nda farkl\u0131l\u0131k g\u00f6sterir. Kokla\u015ft\u0131rma end\u00fcstrisi at\u0131k gaz\u0131 (kok f\u0131r\u0131n\u0131 gaz\u0131 ve katran \u00fcr\u00fcnlerinden) daha hafif benzen serisi bile\u015fiklerine ek olarak daha a\u011f\u0131r poliaromatik hidrokarbonlar (PAH) i\u00e7erir; bu PAH bile\u015fikleri, PAH yo\u011funla\u015fmas\u0131 ve kirlenmesi nedeniyle daha y\u00fcksek RTO yanma s\u0131cakl\u0131klar\u0131 (genellikle 850\u2013900\u00b0C) ve daha agresif seramik yatak bak\u0131m\u0131 gerektirir. K\u00f6m\u00fcr madeni d\u00fc\u015f\u00fck konsantrasyonlu metan gaz\u0131 uygulamalar\u0131, standart RTO tasar\u0131m zarf\u0131n\u0131n alt\u0131nda olan ve \u00f6zel katalitik veya alevsiz oksidasyon teknolojisi gerektiren son derece d\u00fc\u015f\u00fck metan-hava kar\u0131\u015f\u0131mlar\u0131n\u0131 (<1% CH\u2084) i\u00e7erir. Burada a\u00e7\u0131klanan petrokimya at\u0131k suyu at\u0131k gaz\u0131 uygulamas\u0131 bu iki durum aras\u0131nda yer al\u0131r: k\u00f6m\u00fcr madeni gaz\u0131ndan daha zengin ancak kokla\u015ft\u0131rma at\u0131k gaz\u0131ndan daha az a\u011f\u0131r PAH y\u00fckl\u00fcd\u00fcr, bu da \u2265760\u00b0C'de standart \u00fc\u00e7 yatakl\u0131 RTO'yu uygun teknoloji se\u00e7imi haline getirir.<\/div>\n<\/details>\n
          \nS10. Petrokimya at\u0131ksu de\u015farj gaz\u0131 i\u00e7in alkali y\u0131kama + RTO sistemlerine y\u00f6nelik, yerinde inceleme i\u00e7in kullan\u0131labilecek referans kurulumlar mevcut mu?<\/summary>\n
          Evet. Bu vaka \u00e7al\u0131\u015fmas\u0131nda a\u00e7\u0131klanan alkali y\u0131kama + su y\u0131kama + tampon tank\u0131 + \u00fc\u00e7 yatakl\u0131 RTO sistemi, petrol rafinerisi ve petrokimya tesisi at\u0131k su ar\u0131tma tesislerinde baca gaz\u0131 azaltma uygulamalar\u0131nda kullan\u0131lm\u0131\u015ft\u0131r. Nitelikli potansiyel m\u00fc\u015fteriler i\u00e7in, do\u011frulanm\u0131\u015f CEMS uyumluluk verilerine, LEL olay kay\u0131tlar\u0131na (g\u00fcvenlik kilidinin do\u011fru \u00e7al\u0131\u015ft\u0131\u011f\u0131n\u0131 g\u00f6steren), alkali y\u0131kama performans verilerine (H\u2082S giderme verimlili\u011fini do\u011frulayan) ve buhar \u00f6n \u0131s\u0131t\u0131c\u0131 bak\u0131m program\u0131na ili\u015fkin operasyonel belgelere eri\u015fim de dahil olmak \u00fczere referans saha ziyaretleri d\u00fczenlenebilir. Referans belgeleri talep etmek i\u00e7in l\u00fctfen a\u015fa\u011f\u0131daki ileti\u015fim ba\u011flant\u0131s\u0131n\u0131 kullan\u0131n.<\/div>\n<\/details>\n<\/section>\n
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          Petrokimya Rafinerinizdeki VOC Sorununu G\u00fcvenli Bir \u015eekilde \u00c7\u00f6zmeye Haz\u0131r M\u0131s\u0131n\u0131z?<\/p>\n

          Yenileyici Termal Oksidasyon \u00c7\u00f6z\u00fcmlerinin T\u00fcm Yelpazesini Ke\u015ffedin<\/h2>\n

          \u0130tibaren \u00fc\u00e7 yatakl\u0131 RTO sistemleri<\/a> Petrokimya rafinerilerinde VOC azalt\u0131m\u0131 i\u00e7in patlamaya dayan\u0131kl\u0131 tasar\u0131mdan, end\u00fcstriyel emisyon kontrol \u00e7\u00f6z\u00fcmlerinin t\u00fcm yelpazesine kadar, m\u00fchendislik ekibimiz tehlikeli b\u00f6lge uygulamalar\u0131n\u0131n gerektirdi\u011fi g\u00fcvenlik mimarisine sahip, AB IED uyumlu sistemler sunmaktad\u0131r.<\/p>\n

          Teknik Dan\u0131\u015fmanl\u0131k Talep Edin \u2192<\/a>
          \n          RTO Teknolojisini Ke\u015ffedin<\/a><\/div>\n<\/section>\n

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