{"id":3065,"date":"2026-06-16T02:55:36","date_gmt":"2026-06-16T02:55:36","guid":{"rendered":"https:\/\/regenerative-thermal-oxidation.com\/?p=3065"},"modified":"2026-06-16T02:59:41","modified_gmt":"2026-06-16T02:59:41","slug":"yuksek-performansli-aluminyum-alasimli-ozel-malzeme-uretimi-icin-orta-sicaklikta-scr-denitrifikasyon-ve-torba-filtreli-toz-giderme-sistemi","status":"publish","type":"post","link":"https:\/\/regenerative-thermal-oxidation.com\/tr\/basvuru\/yuksek-performansli-aluminyum-alasimli-ozel-malzeme-uretimi-icin-orta-sicaklikta-scr-denitrifikasyon-ve-torba-filtreli-toz-giderme-sistemi\/","title":{"rendered":"Y\u00fcksek Performansl\u0131 Al\u00fcminyum Ala\u015f\u0131ml\u0131 \u00d6zel Malzeme \u00dcretimi i\u00e7in Orta S\u0131cakl\u0131kta SCR Denitrifikasyonu ve Torba Filtre Toz Giderimi"},"content":{"rendered":"

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<\/p>\n
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Vaka \u0130ncelemesi \u00b7 End\u00fcstriyel Emisyon Kontrol\u00fc<\/p>\n

Y\u00fcksek performansl\u0131 bir al\u00fcminyum ala\u015f\u0131m\u0131 \u00f6zel malzeme \u00fcreticisinin, 99,6% SCR denitrifikasyon verimlili\u011fine, 99,8%'lik torba filtre toz giderme performans\u0131na ve NOx, PM, SO\u2082, HF ve HCl genelinde ultra d\u00fc\u015f\u00fck emisyon uyumlulu\u011funa nas\u0131l ula\u015ft\u0131\u011f\u0131 ve ergitme f\u0131r\u0131n\u0131 baca gaz\u0131ndaki alkali metaller taraf\u0131ndan orta s\u0131cakl\u0131kta SCR kataliz\u00f6r\u00fcn\u00fcn zehirlenmesi gibi \u00f6nc\u00fc bir zorlu\u011fun nas\u0131l \u00e7\u00f6z\u00fcld\u00fc\u011f\u00fc anlat\u0131l\u0131yor.<\/p>\n

SCR Denitrifikasyonu<\/span>
\nAl\u00fcminyum Eritme F\u0131r\u0131n\u0131 Egzoz Gaz\u0131<\/span>
\nTorba Filtre Toz Giderme<\/span>
\nUltra D\u00fc\u015f\u00fck NOx Emisyonu<\/span>
\nAlkali Metal Kataliz\u00f6r Zehirlenmesi \u00c7\u00f6z\u00fcm\u00fc<\/span><\/div>\n<\/header>\n

<\/p>\n

\n
\n
99.6%<\/div>\n
SCR Denitrifikasyonu<\/div>\n
NOx \u00e7\u0131k\u0131\u015f\u0131 <4 mg\/Nm\u00b3<\/div>\n<\/div>\n
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99.8%<\/div>\n
Toz Giderme Verimlili\u011fi<\/div>\n
PM \u00e7\u0131k\u0131\u015f\u0131 <4 mg\/Nm\u00b3<\/div>\n<\/div>\n
\n
125,000<\/div>\n
Nm\u00b3\/h<\/div>\n
Nominal Proses Baca Gaz\u0131<\/div>\n<\/div>\n
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Birinci<\/div>\n
Sekt\u00f6r Uygulamas\u0131<\/div>\n
Al\u00fcminyum Eritme \u0130\u015fleminde Orta S\u0131cakl\u0131kta SCR<\/div>\n<\/div>\n<\/div>\n

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

Al\u00fcminyum \u00d6zel Malzemeler: S\u0131k\u0131la\u015fan Emisyon Gereksinimleriyle Kar\u015f\u0131 Kar\u015f\u0131ya Kalan B\u00fcy\u00fcyen Bir Sekt\u00f6r<\/h2>\n

Al\u00fcminyum end\u00fcstrisi, karma\u015f\u0131k bir k\u00fcresel de\u011fer zinciri boyunca madencilik, rafinasyon, d\u00f6k\u00fcm, i\u015fleme ve sat\u0131\u015f a\u015famalar\u0131n\u0131 kapsar. Al\u00fcminyum, havac\u0131l\u0131k, otomotiv \u00fcretimi, in\u015faat, enerji iletimi, ambalaj ve t\u00fcketici elektroni\u011fi gibi sekt\u00f6rlerde yayg\u0131n olarak kullan\u0131lmaktad\u0131r. Sekt\u00f6r, k\u00fcresel \u00f6l\u00e7ekte ekonomik olarak \u00f6nemlidir; bu durum, enerji t\u00fcketimini ve karbon emisyonlar\u0131n\u0131 azaltmak i\u00e7in daha a\u011f\u0131r \u00e7elik ve titanyum bile\u015fenlerin yerini alan al\u00fcminyumun kullan\u0131ld\u0131\u011f\u0131 otomotiv ve havac\u0131l\u0131k end\u00fcstrilerindeki hafif malzemelere ge\u00e7i\u015ften kaynaklanmaktad\u0131r.<\/p>\n

Y\u00fcksek performansl\u0131 al\u00fcminyum ala\u015f\u0131mlar\u0131 ve \u00f6zel al\u00fcminyum malzemeler alt sekt\u00f6r\u00fc, en zorlu malzeme \u00f6zelliklerini gerektiren geli\u015fmi\u015f \u00fcr\u00fcnlere odaklanmaktad\u0131r: k\u00fcresel i\u00e7ecek \u00fcreticileri i\u00e7in ultra ince kutu kapaklar\u0131 (piyasa lideri i\u00e7 pazar pay\u0131, yakla\u015f\u0131k 101.000 TP3T k\u00fcresel pazar pay\u0131), seri \u00fcretimde \u00fcretilen 0,208 mm ultra ince kutu kapaklar\u0131 ve 0,235 mm ultra ince kutu sto\u011fu, yeni enerji bataryalar\u0131 i\u00e7in al\u00fcminyum plastik film, ak\u0131m toplay\u0131c\u0131 al\u00fcminyum folyo ve yeni enerji ara\u00e7lar\u0131 ve t\u00fcketici elektroni\u011fi i\u00e7in kutup kula\u011f\u0131 al\u00fcminyum folyo. Bu vaka \u00e7al\u0131\u015fmas\u0131ndaki \u00fcretici, 231 milyar EUR e\u015fde\u011ferinde toplam varl\u0131\u011fa, y\u0131ll\u0131k 690.000 ton derin i\u015flenmi\u015f al\u00fcminyum, 150.000 ton karbon, 90.000 kW enerji ve 2,25 milyon ton ham k\u00f6m\u00fcr kapasitesine sahip olup, \u00f6zel al\u00fcminyum malzemeler alan\u0131nda birinci s\u0131n\u0131f k\u00fcresel bir oyuncudur.<\/p>\n

\u00c7evresel d\u00fczenlemelerin s\u0131k\u0131la\u015fmas\u0131yla birlikte, al\u00fcminyum eritme f\u0131r\u0131nlar\u0131ndan \u00e7\u0131kan baca gaz\u0131n\u0131n ar\u0131t\u0131lmas\u0131, rekabet ve uyumluluk a\u00e7\u0131s\u0131ndan kritik bir gereklilik haline gelmi\u015ftir. Bu sekt\u00f6r i\u00e7in en b\u00fcy\u00fck zorluk, do\u011fal gazla \u00e7al\u0131\u015fan eritme f\u0131r\u0131nlar\u0131ndan \u00e7\u0131kan baca gaz\u0131n\u0131n y\u00fcksek s\u0131cakl\u0131k, y\u00fcksek toz ve -en \u00f6nemlisi- y\u00fcksek alkali metal i\u00e7eri\u011fidir. F\u0131r\u0131n tozunda bulunan alkali metal bile\u015fikleri (esas olarak potasyum ve sodyum tuzlar\u0131), gaz ak\u0131m\u0131nda geleneksel SCR kataliz\u00f6rlerini kademeli olarak zehirleyecek ve zamanla denitrasyon verimlili\u011fini azaltacak konsantrasyonlarda ta\u015f\u0131n\u0131r. Bu alkali metal zehirlenmesi sorunu, bu tesisin sekt\u00f6rde bir ilk olmas\u0131n\u0131 sa\u011flayan temel m\u00fchendislik zorlu\u011fuydu.<\/p>\n

\"Havac\u0131l\u0131k,<\/p>\n

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<\/div>\n

\u201cAl\u00fcminyum eritme f\u0131r\u0131n\u0131 at\u0131k gaz\u0131na orta s\u0131cakl\u0131kta SCR uygulamak, enerji santrali SCR teknolojisinin basit bir uyarlamas\u0131 de\u011fildir. F\u0131r\u0131n tozundaki alkali metal bile\u015fikleri, bu gaz ak\u0131\u015f\u0131nda ta\u015f\u0131nan konsantrasyonlarda kataliz\u00f6r zehirleridir. Kataliz\u00f6r se\u00e7imi ve koruma sorununu \u00e7\u00f6zmek, bu tesisi benzersiz k\u0131lan \u015feydir; orta s\u0131cakl\u0131kta y\u00fcksek verimli SCR'nin bu sekt\u00f6rde k\u00fcresel olarak ilk kez ba\u015far\u0131yla uygulanmas\u0131d\u0131r.\u201d<\/p>\n

\u2014 M\u00fchendislik Teknik \u00d6zeti, Y\u00fcksek Performansl\u0131 Al\u00fcminyum Ala\u015f\u0131ml\u0131 \u00d6zel Malzemelerden Toz Giderme ve Azot Giderme Projesi<\/cite><\/p><\/blockquote>\n<\/section>\n

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

Al\u00fcminyum Eritme F\u0131r\u0131n\u0131 Egzoz Gaz\u0131: Y\u00fcksek NOx, Y\u00fcksek Toz, Y\u00fcksek Alkali Metal \u0130\u00e7eri\u011fi<\/h2>\n

Bu tesisteki \u00fcretim hatt\u0131, tamam\u0131 tek bir bacaya birle\u015ftirilmi\u015f 2 ergitme f\u0131r\u0131n\u0131 ve 2 tutma f\u0131r\u0131n\u0131ndan olu\u015fmaktad\u0131r. Her ergitme f\u0131r\u0131n\u0131 do\u011fal gazla \u00e7al\u0131\u015ft\u0131r\u0131lmaktad\u0131r; baca gaz\u0131, y\u00fcksek s\u0131cakl\u0131ktaki yanma havas\u0131 reaksiyonlar\u0131 sonucu olu\u015fan \u00f6nemli miktarda NOx i\u00e7ermektedir. D\u00f6rt f\u0131r\u0131n\u0131n tamam\u0131 \u015fu anda tek bir torba filtre \u00fcnitesi ile donat\u0131lm\u0131\u015ft\u0131r. T\u00fcm f\u0131r\u0131nlardan \u00e7\u0131kan baca gaz\u0131, de\u015farj i\u00e7in tek bir bacaya birle\u015ftirilir. Yanma yak\u0131t\u0131 olarak do\u011fal gaz kullan\u0131ld\u0131\u011f\u0131nda, baca gaz\u0131 SO\u2082 i\u00e7ermez, ancak emisyon s\u0131n\u0131rlar\u0131 i\u00e7inde y\u00f6netilmesi gereken NOx, partik\u00fcl madde (ince NaCl, KCl ve di\u011fer alkali metal tuzu par\u00e7ac\u0131klar\u0131 dahil), HF, HCl ve CO ta\u015f\u0131r.<\/p>\n

Bu uygulama i\u00e7in belirleyici kirlilik sorunu, ergitme f\u0131r\u0131n\u0131 baca gaz\u0131 partik\u00fcl fraksiyonunun alkali metal i\u00e7eri\u011fidir. Toz, NaCl, KCl ve ilgili potasyum ve sodyum bile\u015fik partik\u00fcllerini, kataliz\u00f6r y\u00fczeyindeki aktif asidik b\u00f6lgeleri i\u015fgal ederek, geleneksel vanadyum-titanyum SCR kataliz\u00f6rlerini birka\u00e7 ay i\u00e7inde kademeli olarak zehirleyecek konsantrasyonlarda ta\u015f\u0131r. Bu zehirlenme mekanizmas\u0131, ya alkali metal deaktivasyonuna \u00f6zel olarak diren\u00e7li bir kataliz\u00f6r form\u00fclasyonu ya da kataliz\u00f6rle temas etmeden \u00f6nce alkali metal partik\u00fcl y\u00fck\u00fcn\u00fc azaltmak i\u00e7in SCR reakt\u00f6r\u00fcn\u00fcn yukar\u0131s\u0131nda bir \u00f6n toz giderme a\u015famas\u0131 gerektirir. Bu vaka \u00e7al\u0131\u015fmas\u0131, alkali metal maruziyetine dayanacak \u015fekilde tasarlanm\u0131\u015f bir kataliz\u00f6r ve son toz parlatma i\u00e7in a\u015fa\u011f\u0131 y\u00f6nde konumland\u0131r\u0131lm\u0131\u015f torba filtre ile, torba filtrenin yukar\u0131s\u0131nda (350-400\u00b0C'deki y\u00fcksek s\u0131cakl\u0131k, \u00f6n toz giderme b\u00f6lgesinde) konumland\u0131r\u0131lm\u0131\u015f orta s\u0131cakl\u0131k SCR kullanmaktad\u0131r.<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Parametre<\/th>\nHam Gaz \/ Giri\u015f<\/th>\n\u00c7\u0131k\u0131\u015f (Tasar\u0131m)<\/th>\nAB \/ Hollanda Limit Referans\u0131<\/th>\n<\/tr>\n<\/thead>\n
NOx<\/td>\n100 mg\/Nm\u00b3<\/td>\n\u226450 mg\/Nm\u00b3<\/td>\nIED 2010\/75\/EU \u2264100 mg\/Nm\u00b3 (yanma)<\/td>\n<\/tr>\n
Partik\u00fcl madde (PM)<\/td>\n2.000 mg\/Nm\u00b3<\/td>\n\u226410 mg\/Nm\u00b3<\/td>\nNER (Hollanda Faaliyetler Kararnamesi) \u22645 mg\/Nm\u00b3<\/td>\n<\/tr>\n
SO\u2082<\/td>\nMevcut de\u011fil (do\u011falgaz yak\u0131t\u0131)<\/td>\n\u22645 mg\/Nm\u00b3<\/td>\nIED 2010\/75\/AB<\/td>\n<\/tr>\n
CO<\/td>\n100 mg\/Nm\u00b3<\/td>\n\u2264100 mg\/Nm\u00b3<\/td>\nIED 2010\/75\/AB<\/td>\n<\/tr>\n
HF<\/td>\n5 mg\/Nm\u00b3<\/td>\n\u22645 mg\/Nm\u00b3<\/td>\nIED 2010\/75\/EU HF BAT<\/td>\n<\/tr>\n
HCl<\/td>\n15 mg\/Nm\u00b3<\/td>\n\u226415 mg\/Nm\u00b3<\/td>\nIED 2010\/75\/EU HCl BAT<\/td>\n<\/tr>\n
Proses baca gaz\u0131 hacmi<\/td>\n125.000 Nm\u00b3\/sa<\/td>\n\u2014<\/td>\n\u2014<\/td>\n<\/tr>\n
Nominal baca gaz\u0131 s\u0131cakl\u0131\u011f\u0131<\/td>\n350\u2013420\u00b0C<\/td>\n\u2014<\/td>\n\u2014<\/td>\n<\/tr>\n
SCR tasar\u0131m s\u0131cakl\u0131\u011f\u0131<\/td>\n350\u00b0C (f\u0131r\u0131n \u00e7\u0131k\u0131\u015f\u0131, \u00f6n so\u011futucu)<\/td>\n\u2014<\/td>\n\u2014<\/td>\n<\/tr>\n
Toz giderme s\u0131cakl\u0131k noktas\u0131<\/td>\n200\u00b0C (torba filtre giri\u015fi)<\/td>\n\u2014<\/td>\n\u2014<\/td>\n<\/tr>\n
SCR denitrifikasyon s\u0131cakl\u0131\u011f\u0131<\/td>\n359\u00b0C<\/td>\n\u2014<\/td>\n\u2014<\/td>\n<\/tr>\n
Giri\u015f noktas\u0131ndaki a\u015f\u0131nd\u0131r\u0131c\u0131 madde i\u00e7eri\u011fi<\/td>\n30 mg\/Nm\u00b3 (alkali tuzlar\u0131)<\/td>\n\u2014<\/td>\n\u2014<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/section>\n
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03 \u2014 M\u00fchendislik Gereksinimleri<\/p>\n

Bu uygulama i\u00e7in orta s\u0131cakl\u0131k SCR mimarisini tan\u0131mlayan yedi tasar\u0131m kriteri<\/h2>\n

A\u015fa\u011f\u0131daki gereksinimlerin her biri, teknoloji se\u00e7imi \u00f6ncesinde ba\u011flay\u0131c\u0131yd\u0131 ve SCR'nin daha yayg\u0131n olarak kullan\u0131ld\u0131\u011f\u0131 enerji santrali ve end\u00fcstriyel kazan ortamlar\u0131ndan farkl\u0131 olan do\u011fal gazla \u00e7al\u0131\u015fan al\u00fcminyum eritme f\u0131r\u0131n\u0131 at\u0131k gaz\u0131n\u0131n \u00f6zel \u00f6zelliklerini yans\u0131tmaktad\u0131r.<\/p>\n

\n
\n
\ud83d\udcca<\/div>\n

SCR, toz giderme i\u015fleminden \u00f6nce konumland\u0131r\u0131l\u0131r.<\/h3>\n

SCR reakt\u00f6r\u00fc, gaz\u0131n bu a\u015famada SO\u2082 i\u00e7ermemesi ve orta s\u0131cakl\u0131k kataliz\u00f6rlerinin kullan\u0131labilmesi nedeniyle, f\u0131r\u0131n \u00e7\u0131k\u0131\u015f\u0131na, hava so\u011futucusunun yukar\u0131s\u0131na, 350-400\u00b0C gaz s\u0131cakl\u0131\u011f\u0131nda monte edilir. SCR, torba filtre partik\u00fclleri uzakla\u015ft\u0131rmadan \u00f6nce NOx'i azalt\u0131r ve gaz so\u011futmas\u0131ndan \u00f6nce y\u00fcksek s\u0131cakl\u0131k aral\u0131\u011f\u0131ndan yararlanan s\u0131cak tarafl\u0131 bir SCR konfig\u00fcrasyonu olu\u015fturur.<\/p>\n<\/div>\n

\n
\u2699\ufe0f<\/div>\n

Alkali Metal Toleransl\u0131 Kataliz\u00f6r Form\u00fclasyonu<\/h3>\n

Kataliz\u00f6r, 30 mg\/Nm\u00b3 alkali metal bile\u015fik giri\u015f konsantrasyonunda potasyum ve sodyum tuzu zehirlenmesine kar\u015f\u0131 tolerans i\u00e7in \u00f6zel olarak form\u00fcle edilmeli ve do\u011frulanmal\u0131d\u0131r. Alkali direnci olmayan geleneksel vanadyum-titanyum kataliz\u00f6r\u00fc, bu hizmet ortam\u0131nda 24.000 saatlik kimyasal \u00f6m\u00fcr garantisini sa\u011flayamaz.<\/p>\n<\/div>\n

\n
\ud83d\udd25<\/div>\n

3+1 Kataliz\u00f6r Katman\u0131 Mimarisi<\/h3>\n

SCR reakt\u00f6r\u00fc, 3+1 kataliz\u00f6r katman\u0131 tasar\u0131m\u0131na sahiptir: ,6% denitrasyon verimlili\u011fi sa\u011flayan 3 aktif katman ve 24.000 saatlik kimyasal \u00f6m\u00fcr boyunca herhangi bir aktif katman\u0131n de\u011fi\u015ftirilmesi gerekti\u011finde y\u00fcklenebilen 1 yedek katman, kataliz\u00f6r de\u011fi\u015fimi nedeniyle \u00fcretim kesintisini \u00f6nler.<\/p>\n<\/div>\n

\n
\ud83d\udee0\ufe0f<\/div>\n

Kurum \u00dcfleme ve S\u0131cakl\u0131k Kontrol Entegrasyonu<\/h3>\n

Sistem, kontrol sistemine s\u0131cakl\u0131k ve ak\u0131\u015f h\u0131z\u0131 geri bildirimi sa\u011flayan otomatik kurum \u00fcfleme \u00f6zelli\u011fini i\u00e7erir. \u0130zlenen gaz s\u0131cakl\u0131\u011f\u0131na ba\u011fl\u0131 olarak, kurum \u00fcfleme frekans\u0131 ve yo\u011funlu\u011fu ger\u00e7ek zamanl\u0131 olarak ayarlan\u0131r. \u00dcre \u00e7\u00f6zeltisi haz\u0131rlama ve \u00fcre termal bozunma geri bildirimi de kontrol sistemine entegre edilmi\u015ftir ve vanalar ve pompalar i\u00e7in otomatik tek tu\u015fla yeniden ba\u015flatma \u00f6zelli\u011fi mevcuttur.<\/p>\n<\/div>\n

\n
\ud83d\udd0a<\/div>\n

Sim\u00fclasyon Y\u00f6ntemiyle Bas\u0131n\u00e7 Da\u011f\u0131l\u0131m\u0131 Do\u011frulama<\/h3>\n

SCR \u00fcnitesinin genel bas\u0131n\u00e7 da\u011f\u0131l\u0131m\u0131, yap\u0131m \u00f6ncesinde bilgisayar sim\u00fclasyonu ile do\u011frulan\u0131r. Bu, gaz\u0131n kataliz\u00f6r\u00fcn t\u00fcm kesiti boyunca homojen bir \u015fekilde akmas\u0131n\u0131 sa\u011flayarak, kataliz\u00f6r\u00fcn erken devre d\u0131\u015f\u0131 kalmas\u0131na ve kanal etkilerinden kaynaklanan uyumluluk a\u015f\u0131m\u0131na neden olan yerel h\u0131z s\u0131cak noktalar\u0131n\u0131n olu\u015fmas\u0131n\u0131 \u00f6nler.<\/p>\n<\/div>\n

\n
\ud83d\udd10<\/div>\n

\u00dcre Reaktif Sistemi<\/h3>\n

SCR indirgeyici madde olarak \u00fcre (98% safl\u0131kta, 5% sapma) kullan\u0131lmaktad\u0131r. \u00dcre t\u00fcketimi 9,5 kg\/saattir; \u00fcre hidroliz sistemi, \u00fcre \u00e7\u00f6zeltisinin termal ayr\u0131\u015fmas\u0131yla amonyak \u00fcretir ve ayr\u0131\u015fma geri beslemesi kontrol sistemine ba\u011fl\u0131d\u0131r. \u00dcre \u00e7\u00f6z\u00fcnmesi i\u00e7in su t\u00fcketimi yakla\u015f\u0131k 40 kg\/saattir.<\/p>\n<\/div>\n

\n
\u2668<\/div>\n

Son ar\u0131tma i\u00e7in a\u015fa\u011f\u0131 ak\u0131\u015f y\u00f6n\u00fcnde torba filtre<\/h3>\n

Torba filtre, SCR reakt\u00f6r\u00fcn\u00fcn ve hava so\u011futucusunun a\u015fa\u011f\u0131s\u0131na yerle\u015ftirilmi\u015f olup yakla\u015f\u0131k 200\u00b0C'deki gaz\u0131 ar\u0131tmaktad\u0131r. Bu a\u015fa\u011f\u0131 konumland\u0131rma, torba filtrenin en y\u00fcksek s\u0131cakl\u0131k b\u00f6lgesine maruz kalmamas\u0131n\u0131 ve bu nedenle standart torba filtre malzemesi kullanmas\u0131n\u0131 sa\u011flarken, ayn\u0131 zamanda son baca de\u015farj\u0131ndan \u00f6nce SCR a\u015famas\u0131ndan kaynaklanan kataliz\u00f6r tozunu veya amonyum tuzu yan \u00fcr\u00fcnlerini de toplar.<\/p>\n<\/div>\n

\n
\ud83d\udee1\ufe0f<\/div>\n

NOx Dalgalanma Tepkisi<\/h3>\n

Eritme f\u0131r\u0131n\u0131ndaki NOx konsantrasyonu, br\u00fcl\u00f6r ayarlar\u0131ndaki, metal \u015farj bile\u015fimindeki ve \u00fcretim d\u00f6ng\u00fcs\u00fc a\u015famas\u0131ndaki de\u011fi\u015fikliklerle dalgalan\u0131r. \u00dcre enjeksiyon kontrol sistemi, NH\u2083\/NOx molar oran\u0131n\u0131 hedef aral\u0131kta tutmak i\u00e7in bu dalgalanmalara dinamik olarak yan\u0131t vermelidir; a\u015f\u0131r\u0131 \u00fcre enjeksiyonu amonyak ka\u00e7a\u011f\u0131na, yetersiz enjeksiyon ise NOx a\u015f\u0131m\u0131na neden olur.<\/p>\n<\/div>\n<\/div>\n<\/section>\n

\n

<\/p>\n

\n

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

Entegre SCR \u2192 Hava So\u011futma \u2192 Torba Filtre Ar\u0131tma Mimarisi<\/h2>\n

\u00c7evresel d\u00fczenlemeler s\u0131k\u0131la\u015ft\u0131k\u00e7a, \u00fcretim hatt\u0131n\u0131n mevcut torba filtre konfig\u00fcrasyonu art\u0131k NOx limitlerini kar\u015f\u0131lamak i\u00e7in yeterli de\u011fildi. Yap\u0131lan iyile\u015ftirme ile, gaz s\u0131cakl\u0131\u011f\u0131n\u0131n 350-400\u00b0C aras\u0131nda oldu\u011fu (optimal orta s\u0131cakl\u0131k SCR \u00e7al\u0131\u015fma aral\u0131\u011f\u0131 i\u00e7inde) ve kataliz\u00f6r\u00fc zehirleyecek SO\u2082'nin bulunmad\u0131\u011f\u0131, f\u0131r\u0131n \u00e7\u0131k\u0131\u015f\u0131nda, hava so\u011futucudan \u00f6nce orta s\u0131cakl\u0131kta bir SCR denitrifikasyon sistemi eklendi. Do\u011fal gaz yanmas\u0131 k\u00fck\u00fcrt \u00fcretmedi\u011finden, k\u00f6m\u00fcrle \u00e7al\u0131\u015fan uygulamalarda SO\u2082 taraf\u0131ndan h\u0131zla devre d\u0131\u015f\u0131 b\u0131rak\u0131lacak orta s\u0131cakl\u0131k kataliz\u00f6r form\u00fclasyonlar\u0131n\u0131n kullan\u0131lmas\u0131 m\u00fcmk\u00fcn oldu.<\/p>\n

Proses Ak\u0131\u015f\u0131: Eritme F\u0131r\u0131n\u0131ndan Ultra D\u00fc\u015f\u00fck Emisyonlu Bacaya<\/h3>\n
\n
\n
Eritme
\nF\u0131r\u0131n (\u00d72)
\n+ Tutma (\u00d72)<\/div>\n
\u2192<\/div>\n
SCR Reakt\u00f6r\u00fc \u2b50
\n350\u2013400\u00b0C
\n(3+1 katman)<\/div>\n
\u2192<\/div>\n
Hava So\u011futucu
\n\u2192 200\u00b0C<\/div>\n
\u2192<\/div>\n
Torba Filtre \u2b50
\nToz Giderme<\/div>\n
\u2192<\/div>\n
Ultra D\u00fc\u015f\u00fck
\nEmisyon Bacas\u0131<\/div>\n<\/div>\n<\/div>\n

\u2b50 Bu projede yeni veya geli\u015ftirilmi\u015f ekipmanlar bulunmaktad\u0131r.<\/p>\n

\"Y\u00fcksek<\/p>\n

CFD Bas\u0131n\u00e7 Da\u011f\u0131l\u0131m\u0131 Do\u011frulama<\/h3>\n

SCR \u00fcnitesinin genel bas\u0131n\u00e7 da\u011f\u0131l\u0131m\u0131, yap\u0131m \u00f6ncesinde bilgisayar sim\u00fclasyonu ile do\u011fruland\u0131. Sim\u00fclasyon, kataliz\u00f6r katmanlar\u0131na giren gaz ak\u0131\u015f alan\u0131n\u0131n, alkali metal a\u00e7\u0131s\u0131ndan zengin gaz ortam\u0131nda kataliz\u00f6r\u00fcn erken devre d\u0131\u015f\u0131 kalmas\u0131na neden olacak yerel h\u0131z dalgalanmalar\u0131n\u0131 \u00f6nleyecek kadar homojen oldu\u011funu do\u011frulad\u0131. Tam y\u00fck \u00e7al\u0131\u015fma ko\u015fullar\u0131nda, t\u00fcm SCR \u00fcnitesi boyunca bas\u0131n\u00e7 d\u00fc\u015f\u00fc\u015f\u00fcn\u00fcn \u2264600 Pa oldu\u011fu do\u011fruland\u0131.<\/p>\n

\"Al\u00fcminyum<\/p>\n

Ba\u015fl\u0131ca Teknik Parametreler<\/h3>\n
\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Parametre<\/th>\n\u00d6zellikler<\/th>\n<\/tr>\n<\/thead>\n
Proses baca gaz\u0131 hacmi<\/td>\n125.000 Nm\u00b3\/sa<\/td>\n<\/tr>\n
Standart hacim<\/td>\n55.000 Nm\u00b3\/h<\/td>\n<\/tr>\n
SCR reakt\u00f6r\u00fcn\u00fcn \u00e7al\u0131\u015fma s\u0131cakl\u0131\u011f\u0131<\/td>\n350\u00b0C (tasar\u0131m); maksimum 350\u00b0C; minimum 200\u00b0C<\/td>\n<\/tr>\n
Kataliz\u00f6r katman\u0131 yap\u0131land\u0131rmas\u0131<\/td>\n3+1 (3 aktif + 1 yedek)<\/td>\n<\/tr>\n
Kataliz\u00f6r eleman\u0131 boyutu<\/td>\n150\u00d7150 mm kesit, 800 mm y\u00fckseklik (H)<\/td>\n<\/tr>\n
Duvar kal\u0131nl\u0131\u011f\u0131 (i\u00e7 \/ d\u0131\u015f)<\/td>\n1,0 mm i\u00e7 \/ 1,7 mm d\u0131\u015f<\/td>\n<\/tr>\n
G\u00f6zeneklilik<\/td>\n72.59%<\/td>\n<\/tr>\n
Kataliz\u00f6r\u00fcn \u00f6zg\u00fcl y\u00fczey alan\u0131<\/td>\n409 m\u00b2\/m\u00b3<\/td>\n<\/tr>\n
Aktif bile\u015fen t\u00fcr\u00fc<\/td>\nV\u2082O\u2085 ve WO\u2083 (vanadyum \/ tungsten)<\/td>\n<\/tr>\n
Ta\u015f\u0131y\u0131c\u0131 malzeme<\/td>\nTiO\u2082<\/td>\n<\/tr>\n
Kataliz\u00f6r kimyasal \u00f6mr\u00fc garantisi<\/td>\n24.000 saat<\/td>\n<\/tr>\n
Kataliz\u00f6r\u00fcn mekanik \u00f6mr\u00fc<\/td>\n10 y\u0131l<\/td>\n<\/tr>\n
Denitrasyon verimlili\u011fi garantisi<\/td>\n\u226588% (ba\u015flang\u0131\u00e7 \u200b\u200baktivitesi); \u226524.000 saat performans<\/td>\n<\/tr>\n
SO\u2082\/SO\u2083 d\u00f6n\u00fc\u015f\u00fcm oran\u0131<\/td>\n\u22641%<\/td>\n<\/tr>\n
Amonyak kayma garantisi<\/td>\n\u22646 ppm<\/td>\n<\/tr>\n
SCR bas\u0131n\u00e7 d\u00fc\u015f\u00fc\u015f\u00fc<\/td>\n\u2264600 Pa<\/td>\n<\/tr>\n
\u00dcre t\u00fcketimi<\/td>\n9,5 kg\/saat (98% safl\u0131kta)<\/td>\n<\/tr>\n
\u00dcre hidroliz suyu t\u00fcketimi<\/td>\n\u224840 kg\/saat<\/td>\n<\/tr>\n
Maksimum sistem \u00e7al\u0131\u015fma y\u00fck\u00fc<\/td>\n196,5 kW kurulu g\u00fc\u00e7; 147,5 kW fiili i\u015fletme g\u00fcc\u00fc<\/td>\n<\/tr>\n
Y\u0131ll\u0131k elektrik maliyeti (8.000 saat\/y\u0131l)<\/td>\nYakla\u015f\u0131k 425.280 EUR\/y\u0131l (0,36 birim kuruna e\u015fde\u011fer)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

\"Y\u00fcksek<\/p>\n<\/section>\n

\n

<\/p>\n

\n

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

Orta S\u0131cakl\u0131kta S\u0131cak Tarafl\u0131 SCR Sisteminin Al\u00fcminyum Eritme F\u0131r\u0131nlar\u0131nda Azot Giderimi \u0130\u00e7in Do\u011fru Mimari Olmas\u0131n\u0131n Nedenleri<\/h2>\n
    \n
  • \u2713<\/span>
    \nSCR giri\u015finde SO\u2082 bulunmamas\u0131, orta s\u0131cakl\u0131kta kataliz\u00f6r se\u00e7imine olanak tan\u0131r:<\/strong> Eritme f\u0131r\u0131nlar\u0131 k\u00f6m\u00fcr veya a\u011f\u0131r yak\u0131t ya\u011f\u0131 yerine do\u011fal gazla \u00e7al\u0131\u015ft\u0131r\u0131ld\u0131\u011f\u0131 i\u00e7in, \u00e7\u0131kan gazda SO\u2082 bulunmaz. Bu, 350\u2013400\u00b0C'de orta s\u0131cakl\u0131kta SCR yerle\u015ftirilmesi i\u00e7in gerekli ko\u015fuldur. K\u00f6m\u00fcrle \u00e7al\u0131\u015fan uygulamalarda, bu s\u0131cakl\u0131klardaki SO\u2082, kataliz\u00f6r\u00fcn aktif b\u00f6lgeleriyle reaksiyona girerek haftalar i\u00e7inde kataliz\u00f6r\u00fc devre d\u0131\u015f\u0131 b\u0131rakan amonyum s\u00fclfat birikintileri olu\u015fturur. Bu do\u011fal gaz uygulamas\u0131nda SO\u2082'nin olmamas\u0131, y\u00fcksek s\u0131cakl\u0131kta \u00e7al\u0131\u015fman\u0131n y\u00fcksek NOx giderme verimlili\u011fini SO\u2082 zehirlenmesi k\u0131s\u0131tlamas\u0131 olmadan ayn\u0131 anda sa\u011flayarak, s\u0131cak tarafta orta s\u0131cakl\u0131kta SCR'yi uygulanabilir hale getirir.<\/li>\n
  • \u2713<\/span>
    \nAlkali metallere dayan\u0131kl\u0131 kataliz\u00f6r form\u00fclasyonu, sekt\u00f6r\u00fcn benzersiz zehirlenme sorununa \u00e7\u00f6z\u00fcm getiriyor:<\/strong> Enerji santrallerinde kullan\u0131lan geleneksel vanadyum-titanyum kataliz\u00f6r\u00fc, al\u00fcminyum eritme f\u0131r\u0131n\u0131 baca gaz\u0131nda bulunan 30 mg\/Nm\u00b3 alkali metal bile\u015fikleri (NaCl, KCl) taraf\u0131ndan kademeli olarak devre d\u0131\u015f\u0131 b\u0131rak\u0131l\u0131r. Alkali metal iyonlar\u0131, kataliz\u00f6r y\u00fczeyindeki asidik b\u00f6lgelerden aktif vanadyum t\u00fcrlerini uzakla\u015ft\u0131rarak NOx-NH\u2083 reaksiyon h\u0131z\u0131n\u0131 d\u00fc\u015f\u00fcr\u00fcr. Bu tesiste kullan\u0131lan \u00f6zel olarak form\u00fcle edilmi\u015f kataliz\u00f6r, alkali metal maruziyetine ra\u011fmen gerekli aktif b\u00f6lge yo\u011funlu\u011funu koruyan alkaliye dayan\u0131kl\u0131 kataliz\u00f6r mimarisi sayesinde 24.000 saatlik kimyasal \u00f6m\u00fcr garantisi sa\u011flam\u0131\u015ft\u0131r; bu, sekt\u00f6rde bir ilk olan bu uygulaman\u0131n temel teknik yenili\u011fidir.<\/li>\n
  • \u2713<\/span>
    \n99.6% Denitrifikasyon Verimlili\u011fi Do\u011fruland\u0131: NOx \u00c7\u0131k\u0131\u015f\u0131 4 mg\/Nm\u00b3'e Kar\u015f\u0131 Limit 50 mg\/Nm\u00b3:<\/strong> Do\u011frulanan 99.6% denitrasyon verimlili\u011fi, 50 mg\/Nm\u00b3'l\u00fck tasar\u0131m limiti ve 50 mg\/Nm\u00b3'l\u00fck d\u00fczenleyici limite kar\u015f\u0131l\u0131k yakla\u015f\u0131k 4 mg\/Nm\u00b3'l\u00fck ger\u00e7ek \u00e7\u0131k\u0131\u015f NOx konsantrasyonu sa\u011flar; bu da 92% uyumluluk marj\u0131 anlam\u0131na gelir. Bu uyumluluk seviyesi, gelecekteki standart s\u0131k\u0131la\u015ft\u0131rmalar\u0131na kar\u015f\u0131 g\u00fcvence ve f\u0131r\u0131n NOx \u00fcretimindeki mevsimsel ve parti baz\u0131ndaki dalgalanmalara kar\u015f\u0131 sa\u011flaml\u0131k sa\u011flar.<\/li>\n
  • \u2713<\/span>
    \n3+1 Kataliz\u00f6r Katman\u0131 Mimarisi, Kataliz\u00f6r De\u011fi\u015fimi Boyunca S\u00fcrekli \u00c7al\u0131\u015fmay\u0131 Sa\u011flar:<\/strong> Yedek d\u00f6rd\u00fcnc\u00fc katman, \u00fc\u00e7 aktif katmandan herhangi birinin 24.000 saatlik kimyasal \u00f6mr\u00fcn\u00fcn sonunda de\u011fi\u015ftirilmesi gerekti\u011finde, \u00fcretim hatt\u0131n\u0131 durdurmadan yedek katmandan y\u00fckleme yap\u0131labilmesini sa\u011flar. Bu tasar\u0131m \u00f6zelli\u011fi, tek katmanl\u0131, \u00e7ok f\u0131r\u0131nl\u0131 bir sistemde kataliz\u00f6r de\u011fi\u015fimi i\u00e7in aksi takdirde gerekli olacak zorunlu \u00fcretim kesintisini ortadan kald\u0131r\u0131r.<\/li>\n
  • \u2713<\/span>
    \nTorba filtre sistemi, 4 mg\/Nm\u00b3 PM \u00e7\u0131k\u0131\u015f\u0131 ile ,8% toz giderme verimlili\u011fine ula\u015f\u0131r:<\/strong> Torba filtrenin hem SCR reakt\u00f6r\u00fcn\u00fcn hem de hava so\u011futucunun a\u015fa\u011f\u0131s\u0131na yerle\u015ftirilmesi, filtrenin daha so\u011fuk bir gaz ak\u0131\u015f\u0131n\u0131 (350\u00b0C yerine yakla\u015f\u0131k 200\u00b0C) i\u015flemesini sa\u011flar, bu da torba kuma\u015f\u0131n\u0131n termal stresini azalt\u0131r ve filtre torbas\u0131n\u0131n kullan\u0131m \u00f6mr\u00fcn\u00fc uzat\u0131r. A\u015fa\u011f\u0131 konum ayr\u0131ca SCR a\u015famas\u0131ndan kaynaklanan amonyum tuzu yan \u00fcr\u00fcnlerini de yakalayarak bacaya de\u015farjlar\u0131n\u0131 \u00f6nler ve 10 mg\/Nm\u00b3 tasar\u0131m s\u0131n\u0131r\u0131na kar\u015f\u0131l\u0131k yakla\u015f\u0131k 4 mg\/Nm\u00b3'l\u00fck bir PM \u00e7\u0131k\u0131\u015f\u0131 sa\u011flar.<\/li>\n
  • \u2713<\/span>
    \nBas\u0131n\u00e7 Da\u011f\u0131l\u0131m\u0131 Sim\u00fclasyonu, \u0130n\u015faat \u00d6ncesinde Ak\u0131\u015f D\u00fczensizli\u011fini \u00d6nler:<\/strong> CFD bas\u0131n\u00e7 da\u011f\u0131l\u0131m\u0131 sim\u00fclasyonu, herhangi bir yap\u0131sal \u00e7elik imal edilmeden \u00f6nce kataliz\u00f6r\u00fcn t\u00fcm kesiti boyunca d\u00fczg\u00fcn gaz ak\u0131\u015f\u0131n\u0131 do\u011frulad\u0131. Bu, kataliz\u00f6r yata\u011f\u0131 boyunca farkl\u0131 kataliz\u00f6r deaktivasyon oranlar\u0131na neden olacak ve devreye alma sonras\u0131 te\u015fhis ve d\u00fczeltilmesi zor olan d\u00fczensiz NOx kayma modelleri olu\u015fturacak yerel h\u0131z s\u0131cak noktalar\u0131n\u0131 \u00f6nler.<\/li>\n<\/ul>\n<\/section>\n
    \n

    <\/p>\n

    \n

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

    Do\u011frulanm\u0131\u015f Uyumluluk Verileri: T\u00fcm Parametreler AB IED \/ Hollanda Faaliyetler Kararnamesi Limitlerinin \u00c7ok Alt\u0131nda<\/h2>\n

    Sistem, t\u00fcm ger\u00e7ek \u00e7\u0131k\u0131\u015f konsantrasyonlar\u0131n\u0131n hem tasar\u0131m hedeflerinin hem de yasal s\u0131n\u0131rlar\u0131n \u00f6nemli \u00f6l\u00e7\u00fcde alt\u0131nda kalmas\u0131yla, a\u015fa\u011f\u0131daki do\u011frulanm\u0131\u015f uyumluluk performans\u0131na ula\u015fm\u0131\u015ft\u0131r:<\/p>\n

    \n
    \n
    4 \/ 50<\/div>\n
    mg\/Nm\u00b3 (ger\u00e7ek \/ limit)<\/div>\n
    NOx \u2014 92% limitin alt\u0131nda<\/div>\n<\/div>\n
    \n
    4 \/ 10<\/div>\n
    mg\/Nm\u00b3 (ger\u00e7ek \/ limit)<\/div>\n
    PM \u2014 60% limitin alt\u0131nda<\/div>\n<\/div>\n
    \n
    2 \/ 5<\/div>\n
    mg\/Nm\u00b3 (ger\u00e7ek \/ limit)<\/div>\n
    SO\u2082 \u2014 60% limitin alt\u0131nda<\/div>\n<\/div>\n
    \n
    25 \/ 50<\/div>\n
    mg\/Nm\u00b3 (ger\u00e7ek \/ limit)<\/div>\n
    NOx (tasar\u0131m hedefi)<\/div>\n<\/div>\n
    \n
    5 \/ 5<\/div>\n
    mg\/Nm\u00b3 (ger\u00e7ek \/ limit)<\/div>\n
    HF \u2014 s\u0131n\u0131rda<\/div>\n<\/div>\n
    \n
    15 \/ 15<\/div>\n
    mg\/Nm\u00b3 (ger\u00e7ek \/ limit)<\/div>\n
    HCl \u2014 s\u0131n\u0131rda<\/div>\n<\/div>\n<\/div>\n

    Elde edilen ar\u0131tma verimlilikleri: denitrifikasyon 90% (tasar\u0131m hedefi 100'den \u226410 mg\/Nm\u00b3'e), ger\u00e7ekte 99,6%'ye 4 mg\/Nm\u00b3'e ula\u015f\u0131ld\u0131; toz giderme 99,8% (ger\u00e7ekte 2.000'den \u22644 mg\/Nm\u00b3'e). Maksimum sistem \u00e7al\u0131\u015fma y\u00fck\u00fc kurulu 196,5 kW, ger\u00e7ek \u00e7al\u0131\u015fma y\u00fck\u00fc ise 147,5 kW't\u0131r. G\u00fcnde 24 saat \u00e7al\u0131\u015fma, y\u0131lda 8.000 saat ve 0,36 RMB\/kWh e\u015fde\u011ferinde, y\u0131ll\u0131k elektrik maliyeti yakla\u015f\u0131k 425.280 EUR e\u015fde\u011feridir. \u00dcre \u00e7\u00f6z\u00fcnmesi i\u00e7in y\u0131ll\u0131k su maliyeti: yakla\u015f\u0131k 640 on bin RMB e\u015fde\u011feri. 7,2 kg\/saat t\u00fcketimde y\u0131ll\u0131k \u00fcre maliyeti: yakla\u015f\u0131k 633,6 on bin RMB e\u015fde\u011feri.<\/p>\n<\/section>\n

    \n

    <\/p>\n

    \n

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

    Al\u00fcminyum Eritme Tesislerinde SCR Uygulamalar\u0131 \u0130\u00e7in Kritik M\u00fchendislik ve Operasyonel Dersler<\/h2>\n
      \n
    • \u26a0\ufe0f<\/span>
      \nSCR kataliz\u00f6r\u00fcn\u00fcn alkali metal zehirlenmesi, uzun vadeli performans i\u00e7in en \u00f6nemli risktir; kataliz\u00f6r se\u00e7imi en d\u00fc\u015f\u00fck teklifi verene b\u0131rak\u0131lamaz:<\/strong> Ergitme f\u0131r\u0131n\u0131 baca gaz\u0131ndaki 30 mg\/Nm\u00b3 alkali metal bile\u015fikleri, bu uygulaman\u0131n temel malzeme zorlu\u011funu olu\u015fturmaktad\u0131r. Standart enerji santrali SCR kataliz\u00f6rleri, bu y\u00fcke maruz kald\u0131klar\u0131nda h\u0131zla devre d\u0131\u015f\u0131 kal\u0131rlar. Kataliz\u00f6r spesifikasyonu, \"alkali direnci\" gibi genel iddialar yerine, baca gaz\u0131nda bulunan ger\u00e7ek alkali tuz t\u00fcrleri ve konsantrasyonlar\u0131nda do\u011frulanm\u0131\u015f alkali metal tolerans testini gerektirmelidir. Herhangi bir kataliz\u00f6r tedarik teklifini kabul etmeden \u00f6nce, sim\u00fcle edilmi\u015f alkali metal maruziyetinden sonra kataliz\u00f6r aktivitesinin korundu\u011funu g\u00f6steren \u00fc\u00e7\u00fcnc\u00fc taraf test raporlar\u0131 talep edin.<\/li>\n
    • \u26a0\ufe0f<\/span>
      \nSCR sistemine giren y\u00fcksek toz konsantrasyonu (2.000 mg\/Nm\u00b3), etkili kurum temizlemesi olmadan kataliz\u00f6r\u00fcn h\u0131zla t\u0131kanmas\u0131na neden olur:<\/strong> Eritme f\u0131r\u0131n\u0131 baca gaz\u0131ndaki 2.000 mg\/Nm\u00b3 partik\u00fcl madde miktar\u0131, tipik enerji santrali SCR tesislerinin toz y\u00fck\u00fcn\u00fcn yakla\u015f\u0131k 20 kat\u0131d\u0131r. Kataliz\u00f6r petek kanallar\u0131nda toz birikmesi, ak\u0131\u015f yolunu kademeli olarak t\u0131kar, bas\u0131n\u00e7 d\u00fc\u015f\u00fc\u015f\u00fcn\u00fc art\u0131r\u0131r ve NOx-NH\u2083 temas\u0131 i\u00e7in kullan\u0131labilir etkili kataliz\u00f6r y\u00fczey alan\u0131n\u0131 azalt\u0131r. S\u0131cakl\u0131k ve ak\u0131\u015f h\u0131z\u0131 geri beslemeli otomatik kurum \u00fcfleme sistemi, iste\u011fe ba\u011fl\u0131 bir yard\u0131mc\u0131 sistem olarak de\u011fil, \u00fcretim a\u00e7\u0131s\u0131ndan kritik bir sistem olarak do\u011fru \u015fekilde tasarlanmal\u0131, devreye al\u0131nmal\u0131 ve bak\u0131m\u0131 yap\u0131lmal\u0131d\u0131r. Kurum \u00fcfleme aral\u0131\u011f\u0131, i\u015fletmenin ilk ay\u0131ndaki ger\u00e7ek i\u015fletme verilerinden kalibre edilmelidir.<\/li>\n
    • \u26a0\ufe0f<\/span>
      \nNOx ve baca gaz\u0131 s\u0131cakl\u0131\u011f\u0131 dalgalanmalar\u0131 sistem de\u015farj\u0131nda \u200b\u200bistikrars\u0131zl\u0131\u011fa neden olur; \u00fcre enjeksiyonu dinamik olarak yan\u0131t vermelidir:<\/strong> Belgelenmi\u015f birincil risk, f\u0131r\u0131n br\u00fcl\u00f6r ayarlar\u0131ndaki ve metal \u015farj bile\u015fimindeki de\u011fi\u015fikliklerden kaynaklanan baca gaz\u0131 s\u0131cakl\u0131\u011f\u0131 ve NOx konsantrasyonu dalgalanmalar\u0131d\u0131r. \u00dcre enjeksiyon kontrol sisteminin, f\u0131r\u0131n \u00e7evrimindeki de\u011fi\u015fim h\u0131z\u0131 i\u00e7inde enjeksiyon oranlar\u0131n\u0131 ayarlamak i\u00e7in yeterli sens\u00f6r geri bildirim yan\u0131t s\u00fcresine sahip olmas\u0131 gerekir. Yan\u0131t gecikmesi \u00e7ok yava\u015fsa, SCR her f\u0131r\u0131n \u00e7al\u0131\u015fma \u00e7evrimi ge\u00e7i\u015finde hem a\u015f\u0131r\u0131 enjeksiyon (amonyak ka\u00e7a\u011f\u0131na neden olur) hem de yetersiz enjeksiyon (NOx a\u015f\u0131m\u0131na neden olur) d\u00f6nemlerine girer.<\/li>\n
    • \u26a0\ufe0f<\/span>
      \nF\u0131r\u0131n ekibi ile gaz ar\u0131tma kontrol odas\u0131 aras\u0131nda yak\u0131n bir operasyonel ba\u011flant\u0131, i\u015flevsel bir gerekliliktir:<\/strong> S\u0131cakl\u0131k veya NOx konsantrasyonunda dalgalanmalar tespit edildi\u011finde, f\u0131r\u0131n i\u015fletme ekibi, herhangi bir br\u00fcl\u00f6r veya \u015farj ayarlamas\u0131 yapmadan \u00f6nce gaz ar\u0131tma kontrol odas\u0131n\u0131 \u00f6nceden bilgilendirmelidir. Bu koordinasyon olmadan, SCR kontrol sistemi, NOx de\u011fi\u015fiklikleri kataliz\u00f6r b\u00f6lgesine girdikten sonra tepki verir ve \u00fcre enjeksiyonunu ayarlamak i\u00e7in yeterli zaman kalmaz. Planlanan f\u0131r\u0131n i\u015fletme de\u011fi\u015fiklikleri i\u00e7in 15-30 dakika \u00f6nceden bildirim gerektiren basit bir protokol, ger\u00e7ek zamanl\u0131 uyumluluk a\u015f\u0131m\u0131 olaylar\u0131n\u0131n \u00e7o\u011funu \u00f6nler.<\/li>\n
    • \u26a0\ufe0f<\/span>
      \nAmonyak ka\u00e7a\u011f\u0131n\u0131n kontrol\u00fc, NOx azalt\u0131m\u0131 kadar \u00f6nemlidir \u2014 \u22646 ppm garantisi aktif olarak izlenmelidir:<\/strong> SCR \u00e7\u0131k\u0131\u015f\u0131ndaki amonyak ka\u00e7a\u011f\u0131, AB IED ve Hollanda Faaliyetler Kararnamesi \u00e7evre izin ko\u015fullar\u0131 kapsam\u0131nda d\u00fczenlenmi\u015f bir parametredir ve ayn\u0131 zamanda topluluk \u015fikayetlerine ve d\u00fczenleyici denetimlere yol a\u00e7abilen rahats\u0131z edici bir koku sorunudur. \u22646 ppm amonyak ka\u00e7a\u011f\u0131 garantisi, SCR \u00e7\u0131k\u0131\u015f\u0131nda s\u00fcrekli izleme ve NH\u2083 konsantrasyonu ka\u00e7a\u011fa yakla\u015ft\u0131\u011f\u0131nda \u00fcre enjeksiyon h\u0131z\u0131n\u0131n otomatik olarak azalt\u0131lmas\u0131n\u0131 gerektirir. Devreye alma g\u00fcn\u00fcnden itibaren CEMS spesifikasyonuna yerinde bir NH\u2083 sens\u00f6r\u00fcn\u00fcn dahil edilmesi \u015fartt\u0131r.<\/li>\n
    • \u26a0\ufe0f<\/span>
      \nBu uygulama al\u00e7\u0131 \u00fcretmese bile (do\u011fal gaz at\u0131klar\u0131nda SO\u2082 bulunmasa bile) al\u00e7\u0131 kaz\u0131ma sistemi protokol\u00fcne uyulmal\u0131d\u0131r:<\/strong> Bu uygulamada SO\u2082 bulunmad\u0131\u011f\u0131 i\u00e7in \u0131slak baca gaz\u0131 k\u00fck\u00fcrt giderme sistemi yer almamaktad\u0131r. Bununla birlikte, gelecekteki bir i\u015fletme de\u011fi\u015fikli\u011finde f\u0131r\u0131nlara SO\u2082 i\u00e7eren biyok\u00fctle veya ek yak\u0131tla birlikte yakma se\u00e7ene\u011fi eklenirse, \u0131slak k\u00fck\u00fcrt giderme a\u015famas\u0131 gerekecektir. Yak\u0131t t\u00fcr\u00fcnde yap\u0131lacak herhangi bir de\u011fi\u015fiklik, SCR kataliz\u00f6r\u00fcne giren kirletici profilini temelden de\u011fi\u015ftirece\u011fi ve s\u00fclfat zehirlenmesini potansiyel olarak h\u0131zland\u0131raca\u011f\u0131 i\u00e7in, uygulamadan \u00f6nce gaz ar\u0131tma sistemi m\u00fchendisine bildirilmelidir.<\/li>\n<\/ul>\n<\/section>\n
      \n

      <\/p>\n

      \n

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

      Al\u00fcminyum Eritme Tesislerinde Orta S\u0131cakl\u0131kta SCR Uygulamas\u0131n\u0131n \u0130lk Deneyiminden \u00c7\u0131kar\u0131lan D\u00f6rt Ders<\/h2>\n
        \n
      • 1<\/span>
        \nDo\u011falgazla \u00e7al\u0131\u015fan al\u00fcminyum f\u0131r\u0131nlar\u0131nda SO\u2082'nin bulunmamas\u0131, s\u0131cak tarafta SCR (S\u00fcperkritik K\u0131r\u0131lma Oran\u0131) sisteminin uygulanmas\u0131n\u0131 m\u00fcmk\u00fcn k\u0131lan ko\u015fuldur; bu ay\u0131rt edici \u00f6zellik proje tan\u0131mlama a\u015famas\u0131nda belirlenmelidir.<\/strong> SCR'nin torba filtrenin \u00f6n\u00fcne 350-400\u00b0C'de yerle\u015ftirilmesi karar\u0131, do\u011fal gaz yanmas\u0131n\u0131n SO\u2082 \u00fcretmemesi nedeniyle m\u00fcmk\u00fcn olmu\u015ftur. K\u00f6m\u00fcr veya a\u011f\u0131r yak\u0131t ya\u011f\u0131yla \u00e7al\u0131\u015fan e\u015fde\u011fer bir uygulamada, bu s\u0131cak taraf konumu, amonyum bis\u00fclfat kataliz\u00f6r\u00fcn\u00fcn h\u0131zla zehirlenmesine neden olurdu. Herhangi bir SCR mimarisi karar\u0131 verilmeden \u00f6nce f\u0131r\u0131n\u0131n yak\u0131t t\u00fcr\u00fc do\u011frulanmal\u0131 ve belgelenmelidir.<\/li>\n
      • 2<\/span>
        \nAlkali metaller taraf\u0131ndan kataliz\u00f6r zehirlenmesi, sekt\u00f6re \u00f6zg\u00fc bir sorundur ve sekt\u00f6re \u00f6zg\u00fc bir \u00e7\u00f6z\u00fcm gerektirir; bu nedenle, ergitme f\u0131r\u0131n\u0131 SCR'si i\u00e7in standart enerji santrali kataliz\u00f6r\u00fc belirtilmemelidir.<\/strong> Al\u00fcminyum eritme f\u0131r\u0131n\u0131 baca gaz\u0131ndaki alkali metal i\u00e7eri\u011fi, enerji santrali ve end\u00fcstriyel kazan SCR uygulamalar\u0131ndan ay\u0131rt edici bir \u00f6zelliktir. Standart kataliz\u00f6r form\u00fclasyonlar\u0131, 30 mg\/Nm\u00b3 alkali metal tuzu maruziyetinde birka\u00e7 ay i\u00e7inde devre d\u0131\u015f\u0131 kal\u0131r. Bu projede elde edilen 24.000 saatlik kimyasal \u00f6m\u00fcr, alkaliye dayan\u0131kl\u0131 bir kataliz\u00f6r form\u00fclasyonunun belirlenmesinin do\u011frudan bir sonucudur; bu tasar\u0131m karar\u0131, kataliz\u00f6r tedarikine marjinal bir maliyet eklemi\u015f ancak 6-12 ay i\u00e7inde acil kataliz\u00f6r de\u011fi\u015ftirme senaryosunu \u00f6nlemi\u015ftir.<\/li>\n
      • 3<\/span>
        \n99.6% denitrasyon verimlili\u011fine ula\u015fmak (NOx'in 4 mg\/Nm\u00b3'te olmas\u0131, limit olan 50 mg\/Nm\u00b3'e k\u0131yasla), hem \u00f6l\u00e7\u00fcm belirsizli\u011fini hem de gelecekteki standart s\u0131k\u0131la\u015ft\u0131rmalar\u0131n\u0131 absorbe eden bir uyumluluk tamponu olu\u015fturur.<\/strong> AB IED ve Hollanda \u00e7evre izin ko\u015fullar\u0131 uyar\u0131nca, NOx saatlik ortalama konsantrasyonlar\u0131 s\u00fcrekli olarak izlenmektedir. 50 mg\/Nm\u00b3 s\u0131n\u0131r\u0131na kar\u015f\u0131 4 mg\/Nm\u00b3'te \u00e7al\u0131\u015fan bir sistem, 8 kat uyumluluk marj\u0131na sahiptir; bu da CEMS kalibrasyon sapmas\u0131n\u0131, mevsimsel f\u0131r\u0131n NOx de\u011fi\u015fimini ve gelecekte s\u0131n\u0131r\u0131n 50'den 30 mg\/Nm\u00b3'e olas\u0131 bir revizyonunu herhangi bir sistem de\u011fi\u015fikli\u011fi gerektirmeden absorbe etmek i\u00e7in yeterlidir. Bu, 10 y\u0131ll\u0131k bir teknoloji yat\u0131r\u0131m ufku i\u00e7in do\u011fru referans noktas\u0131d\u0131r.<\/li>\n
      • 4<\/span>
        \n3+1 kataliz\u00f6r katman\u0131 tasar\u0131m prensibi, s\u00fcrekli \u00fcretim i\u015fletim profiline sahip herhangi bir SCR kurulumu i\u00e7in standart mimari haline gelmelidir.<\/strong> Bu kurulumdaki yedek d\u00f6rd\u00fcnc\u00fc kataliz\u00f6r tabakas\u0131, aksi takdirde 24.000 saatlik kullan\u0131m \u00f6mr\u00fc s\u0131n\u0131r\u0131nda planl\u0131 kataliz\u00f6r de\u011fi\u015fimi i\u00e7in gerekli olacak \u00fcretim kesintisini ortadan kald\u0131r\u0131r. Ba\u011fl\u0131 \u00fcretim hatt\u0131n\u0131n kataliz\u00f6r bak\u0131m\u0131 i\u00e7in \u00f6nemli bir maliyet etkisi olmadan kapat\u0131lamad\u0131\u011f\u0131 herhangi bir SCR kurulumu i\u00e7in, ilk tasar\u0131m a\u015famas\u0131nda bir yedek kataliz\u00f6r tabakas\u0131 belirtmenin ek maliyeti, sistemin \u00e7al\u0131\u015fma \u00f6mr\u00fcn\u00fcn ilerleyen a\u015famalar\u0131nda planlanmam\u0131\u015f bir kataliz\u00f6r de\u011fi\u015fimi kesintisinin maliyetine k\u0131yasla \u00f6nemsizdir.<\/li>\n<\/ul>\n<\/section>\n
        \n

        <\/p>\n

        \n

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

        Al\u00fcminyum Eritme F\u0131r\u0131nlar\u0131 i\u00e7in Orta S\u0131cakl\u0131kta SCR: On Soruya Cevap<\/h2>\n

        Al\u00fcminyum eritme ve \u00f6zel malzeme \u00fcretim tesislerindeki \u00e7evre izin y\u00f6neticileri, proses m\u00fchendisleri ve sat\u0131n alma ekiplerinden gelen, SCR denitrifikasyon iyile\u015ftirmelerini de\u011ferlendiren sorular.<\/p>\n

        \nS1. Bu uygulamada orta s\u0131cakl\u0131k SCR'si neden torba filtrenin arkas\u0131na (so\u011fuk taraf) de\u011fil de \u00f6n\u00fcne (s\u0131cak taraf) yerle\u015ftirilmi\u015ftir?<\/summary>\n
        SCR sistemi, iki nedenden dolay\u0131 f\u0131r\u0131n \u00e7\u0131k\u0131\u015f\u0131na (hava so\u011futucusunun yukar\u0131s\u0131nda, 350\u2013400\u00b0C'de) yerle\u015ftirilmi\u015ftir: (1) bu noktadaki gaz s\u0131cakl\u0131\u011f\u0131, y\u00fcksek NOx d\u00f6n\u00fc\u015f\u00fcm verimlili\u011fi sa\u011flayan orta s\u0131cakl\u0131k SCR kataliz\u00f6rleri i\u00e7in optimum aral\u0131ktad\u0131r; ve (2) gaz bu a\u015famada SO\u2082 i\u00e7ermez (do\u011fal gaz k\u00fck\u00fcrt \u00fcretmez), bu da SO\u2082 i\u00e7eren ak\u0131\u015flar\u0131n bu s\u0131cakl\u0131kta neden olaca\u011f\u0131 amonyum bis\u00fclfat birikintileri olmadan orta s\u0131cakl\u0131kta \u00e7al\u0131\u015fmaya olanak tan\u0131r. So\u011fuk taraf (torba filtre sonras\u0131) SCR, gaz\u0131n 200\u00b0C'den tekrar 350\u00b0C'ye \u0131s\u0131t\u0131lmas\u0131n\u0131 gerektirir ve bu SO\u2082 i\u00e7ermeyen uygulama i\u00e7in performans avantaj\u0131 olmaks\u0131z\u0131n \u00f6nemli bir enerji maliyeti art\u0131\u015f\u0131na neden olur.<\/div>\n<\/details>\n
        \nS2. Alkali metallere dayan\u0131kl\u0131 kataliz\u00f6r, standart vanadyum-titanyum SCR kataliz\u00f6r\u00fcnden nas\u0131l farkl\u0131d\u0131r?<\/summary>\n
        Standart vanadyum-titanyum SCR kataliz\u00f6rleri, TiO\u2082 ta\u015f\u0131y\u0131c\u0131 \u00fczerinde aktif t\u00fcr olarak V\u2082O\u2085 kullan\u0131r ve NOx ile NH\u2083'\u00fcn reaksiyona girdi\u011fi asidik y\u00fczey b\u00f6lgelerine sahiptir. Alkali metal tuzlar\u0131ndan gelen potasyum ve sodyum iyonlar\u0131, vanadyum aktif t\u00fcr\u00fcn\u00fc bu y\u00fczey asidik b\u00f6lgelerinden uzakla\u015ft\u0131rarak, eri\u015filebilir aktif y\u00fczey alan\u0131n\u0131 ve NOx d\u00f6n\u00fc\u015f\u00fcm oran\u0131n\u0131 kademeli olarak azalt\u0131r. Alkaliye dayan\u0131kl\u0131 kataliz\u00f6r form\u00fclasyonlar\u0131 bunu \u015fu \u015fekilde ele al\u0131r: asidik b\u00f6lge yo\u011funlu\u011funu, alkali metal zehirlenmesinin minimum e\u015fik de\u011ferinin alt\u0131na d\u00fc\u015f\u00fcrebilece\u011fi seviyenin \u00fczerine \u00e7\u0131karmak; alkali metal yer de\u011fi\u015ftirmesine daha az duyarl\u0131 tungsten oksit (WO\u2083) promot\u00f6rleri kullanmak; ve kataliz\u00f6r y\u00fczeyini alkali metal bile\u015fiklerinin yap\u0131\u015fmas\u0131na kar\u015f\u0131 diren\u00e7li olacak \u015fekilde yap\u0131sal olarak sertle\u015ftirmek. Sonu\u00e7 olarak, bu uygulaman\u0131n 30 mg\/Nm\u00b3 alkali metal tuzu y\u00fcklemesi alt\u0131nda 24.000 saatlik \u00e7al\u0131\u015fma boyunca \u226588% ba\u015flang\u0131\u00e7 \u200b\u200bdenitrasyon aktivitesini koruyan bir kataliz\u00f6r elde edilir.<\/div>\n<\/details>\n
        \nS3. AB ve Hollanda d\u00fczenlemeleri kapsam\u0131nda al\u00fcminyum eritme f\u0131r\u0131nlar\u0131ndan kaynaklanan NOx emisyonlar\u0131 i\u00e7in uyumluluk \u00e7er\u00e7evesi nedir?<\/summary>\n
        AB End\u00fcstriyel Emisyonlar Direktifi (IED 2010\/75\/EU) uyar\u0131nca, al\u00fcminyum eritme tesisleri demir d\u0131\u015f\u0131 metaller kategorisindeki tesisler olarak d\u00fczenlenmektedir. Demir d\u0131\u015f\u0131 metaller end\u00fcstrisi i\u00e7in ge\u00e7erli En \u0130yi Mevcut Teknikler (BAT) sonu\u00e7lar\u0131, tesisin \u00e7evre izninde yans\u0131t\u0131lmas\u0131 gereken NOx, toz ve di\u011fer kirleticiler i\u00e7in emisyon s\u0131n\u0131r de\u011ferlerini belirler. Hollanda'da \u00e7evre izinleri Faaliyetler Kararnamesi (Activiteitenbesluit milieubeheer) ve \u00c7evre ve Planlama Yasas\u0131 (Omgevingswet) kapsam\u0131nda verilmektedir. Yetkili makam (genellikle il \u00e7evre hizmeti, Omgevingsdienst), IED \u00e7er\u00e7evesinde tesise \u00f6zg\u00fc s\u0131n\u0131rlar\u0131 belirler. Al\u00fcminyum eritme f\u0131r\u0131nlar\u0131 i\u00e7in NOx s\u0131n\u0131rlar\u0131, f\u0131r\u0131n tipine, yak\u0131ta ve \u00fcretim kapasitesine ba\u011fl\u0131 olarak genellikle 50-200 mg\/Nm\u00b3 aral\u0131\u011f\u0131nda belirlenir. Bu vaka \u00e7al\u0131\u015fmas\u0131nda belgelenen 4 mg\/Nm\u00b3'l\u00fck ger\u00e7ek \u00e7\u0131k\u0131\u015f konsantrasyonu, \u00f6ng\u00f6r\u00fclebilir t\u00fcm d\u00fczenleyici senaryolar alt\u0131nda \u00f6nemli bir uyumluluk pay\u0131 sa\u011flamaktad\u0131r.<\/div>\n<\/details>\n
        \nSoru 4. Bu entegre SCR ve torba filtre sisteminin y\u0131ll\u0131k i\u015fletme maliyeti nedir?<\/summary>\n
        Ba\u015fl\u0131ca y\u0131ll\u0131k i\u015fletme maliyetleri \u015funlard\u0131r: (1) Elektrik: 196,5 kW kurulu (147,5 kW fiili i\u015fletme), y\u0131ll\u0131k 8.000 saat, standart tarifede yakla\u015f\u0131k 425.000 EUR kar\u015f\u0131l\u0131\u011f\u0131; (2) \u00dcre: 1.100 RMB\/t birim maliyetle 7,2 kg\/saat t\u00fcketim, yakla\u015f\u0131k 633.600 EUR kar\u015f\u0131l\u0131\u011f\u0131 y\u0131ll\u0131k; (3) \u00dcre \u00e7\u00f6z\u00fcnmesi i\u00e7in su: yakla\u015f\u0131k 40 kg\/saat, 2 RMB\/t'de 640.000 EUR kar\u015f\u0131l\u0131\u011f\u0131 y\u0131ll\u0131k. Do\u011falgaz yak\u0131t\u0131 SO\u2082 \u00fcretmedi\u011finden SO\u2082 giderici reaktif (kire\u00e7 ta\u015f\u0131 veya NaOH) gerekmez; bu da k\u00f6m\u00fcrle \u00e7al\u0131\u015fan e\u015fde\u011ferlerinde mevcut olacak bu maliyet kategorisini ortadan kald\u0131r\u0131r.<\/div>\n<\/details>\n
        \nS5. SCR \u00e7\u0131k\u0131\u015f\u0131nda amonyak ka\u00e7a\u011f\u0131 nas\u0131l kontrol edilir ve izlenir?<\/summary>\n
        Amonyak ka\u00e7a\u011f\u0131, SCR i\u015fletiminin birincil yan \u00fcr\u00fcn riskidir. Sistem, a\u015fa\u011f\u0131dakiler arac\u0131l\u0131\u011f\u0131yla \u22646 ppm amonyak ka\u00e7a\u011f\u0131n\u0131 garanti eder: (1) SCR giri\u015finde \u00f6l\u00e7\u00fclen NOx konsantrasyonuna dayal\u0131 ger\u00e7ek zamanl\u0131 \u00fcre enjeksiyon h\u0131z\u0131 mod\u00fclasyonu; (2) enjeksiyon kontrol d\u00f6ng\u00fcs\u00fcne geri bildirim sa\u011flayan SCR \u00e7\u0131k\u0131\u015f\u0131nda yerinde bir NH\u2083 analiz\u00f6r\u00fc; (3) 6 ppm s\u0131n\u0131r\u0131na yakla\u015f\u0131lmadan \u00f6nce otomatik enjeksiyon h\u0131z\u0131 azalt\u0131m\u0131n\u0131 tetikleyen 4 ppm'de y\u00fcksek NH\u2083 alarm ayar noktas\u0131; ve (4) denitrasyon verimlili\u011finin her zaman tasar\u0131m aral\u0131\u011f\u0131 i\u00e7inde kald\u0131\u011f\u0131n\u0131 do\u011frulamak i\u00e7in NOx giri\u015f\/\u00e7\u0131k\u0131\u015f oran\u0131n\u0131n \u00e7apraz kontrol izlenmesi. Amonyak ka\u00e7a\u011f\u0131 izleme, Hollanda \u00e7evre izin ko\u015fullar\u0131 kapsam\u0131nda gereklidir ve devreye alma a\u015famas\u0131ndan itibaren CEMS kurulum spesifikasyonuna dahil edilmelidir.<\/div>\n<\/details>\n
        \nS6. Kataliz\u00f6r\u00fcn \u00f6mr\u00fc ne kadard\u0131r ve ne zaman de\u011fi\u015ftirilmesi gerekir?<\/summary>\n
        Bu tesisteki alkaliye dayan\u0131kl\u0131 kataliz\u00f6r, 24.000 saatlik kimyasal \u00f6m\u00fcr garantisine sahiptir; bu da yakla\u015f\u0131k 3 y\u0131l kesintisiz 24 saat\/g\u00fcn \u00e7al\u0131\u015fma veya al\u00fcminyum eritme \u00fcretim hatlar\u0131 i\u00e7in tipik olan 6.000-7.000 saat\/y\u0131l \u00e7al\u0131\u015fma ko\u015fullar\u0131nda yakla\u015f\u0131k 4 y\u0131la kar\u015f\u0131l\u0131k gelir. 3+1 kataliz\u00f6r katman\u0131 mimarisi, aktif bir katman kimyasal \u00f6mr\u00fcn\u00fcn sonuna ula\u015ft\u0131\u011f\u0131nda, SCR reakt\u00f6r\u00fcn\u00fc veya ba\u011fl\u0131 \u00fcretim hatt\u0131n\u0131 kapatmadan yedek katmanla de\u011fi\u015ftirilebilece\u011fi anlam\u0131na gelir. Kataliz\u00f6r de\u011fi\u015fimi, g\u00f6zlemlenen performans d\u00fc\u015f\u00fc\u015f\u00fcne tepki olarak de\u011fil, y\u0131ll\u0131k bak\u0131m penceresi s\u0131ras\u0131nda \u00f6nceden planlanm\u0131\u015f bir bak\u0131m olay\u0131 olarak planlanmal\u0131d\u0131r.<\/div>\n<\/details>\n
        \nS7. F\u0131r\u0131n yak\u0131t\u0131 do\u011fal gazdan kat\u0131 biyok\u00fctle veya k\u00f6m\u00fcr i\u00e7eren kar\u0131\u015f\u0131k bir yak\u0131ta de\u011fi\u015ftirilirse ne olur?<\/summary>\n
        Biyok\u00fctle, k\u00f6m\u00fcr veya a\u011f\u0131r yak\u0131t ya\u011f\u0131 ile birlikte yakma da dahil olmak \u00fczere, baca gaz\u0131 ak\u0131\u015f\u0131na SO\u2082 sokan f\u0131r\u0131n yak\u0131t t\u00fcr\u00fcndeki herhangi bir de\u011fi\u015fiklik, s\u0131cak taraftaki SCR reakt\u00f6r\u00fcne giren kirletici profilini temelden de\u011fi\u015ftirecektir. 350\u2013400\u00b0C'de SO\u2082 varl\u0131\u011f\u0131nda, kataliz\u00f6r y\u00fczeyinde amonyum bis\u00fclfat (ABS) birikintileri olu\u015farak g\u00f6zenek kanallar\u0131n\u0131 kademeli olarak t\u0131kar ve etkili kataliz\u00f6r y\u00fczey alan\u0131n\u0131 azalt\u0131r. SO\u2082 konsantrasyonu artt\u0131k\u00e7a ABS birikme oran\u0131 h\u0131zla artar. SCR kataliz\u00f6r\u00fcn\u00fc ABS'ye dayan\u0131kl\u0131 bir form\u00fclasyona y\u00fckseltmeden veya SCR'yi \u0131slak FGD y\u0131kay\u0131c\u0131s\u0131n\u0131n a\u015fa\u011f\u0131s\u0131ndaki so\u011fuk taraf konfig\u00fcrasyonuna yeniden konumland\u0131rmadan SO\u2082 i\u00e7eren herhangi bir yak\u0131t\u0131n birlikte yak\u0131lmas\u0131, kataliz\u00f6r \u00f6mr\u00fcn\u00fc \u00f6nemli \u00f6l\u00e7\u00fcde k\u0131saltacakt\u0131r. Herhangi bir yak\u0131t de\u011fi\u015fikli\u011fi, uygulamaya ge\u00e7meden \u00f6nce emisyon kontrol sistemi m\u00fchendisine bildirilmelidir.<\/div>\n<\/details>\n
        \nS8. Sistem, AB izin uyumlulu\u011fu raporlamas\u0131 i\u00e7in tesisin CEMS sistemiyle nas\u0131l entegre edilmi\u015ftir?<\/summary>\n
        CEMS kurulumu; NOx, toz (PM), CO, O\u2082 konsantrasyonu, s\u0131cakl\u0131k ve ak\u0131\u015f h\u0131z\u0131n\u0131 s\u00fcrekli kanallar olarak kapsar; NH\u2083 ise SCR \u00e7\u0131k\u0131\u015f\u0131nda s\u00fcrekli olarak \u00f6l\u00e7\u00fcl\u00fcr. SO\u2082 ayr\u0131ca yak\u0131t kirlenmesinin olup olmad\u0131\u011f\u0131n\u0131 do\u011frulamak i\u00e7in \u00e7apraz kontrol olarak izlenebilir. Veriler, tesisin \u00c7evre Y\u00f6netim Sistemine ger\u00e7ek zamanl\u0131 olarak ve Hollanda \u00e7evre izin ko\u015fullar\u0131 alt\u0131nda yetkili makam\u0131n \u00e7evrimi\u00e7i izleme platformuna iletilir. Saatlik ortalama konsantrasyonlar otomatik olarak hesaplan\u0131r ve izin limit de\u011ferlerine yakla\u015ft\u0131\u011f\u0131nda i\u015faretlenir. SCR kontrol sistemi SCADA, Omgevingsdienst'e y\u0131ll\u0131k izin uyumlulu\u011fu raporlamas\u0131 i\u00e7in CEMS veri y\u00f6netim platformuyla entegre olan s\u00fcrekli bir operasyonel kay\u0131t olu\u015fturur.<\/div>\n<\/details>\n
        \nS9. Bu SCR sistem mimarisi, birincil ergitme f\u0131r\u0131nlar\u0131n\u0131n yan\u0131 s\u0131ra al\u00fcminyum ikincil ergitme (geri d\u00f6n\u00fc\u015f\u00fcm) f\u0131r\u0131nlar\u0131na da uygulanabilir mi?<\/summary>\n
        Evet, uygulamaya \u00f6zg\u00fc de\u011fi\u015fikliklerle. \u0130kincil al\u00fcminyum eritme (hurda geri d\u00f6n\u00fc\u015f\u00fcm\u00fc) f\u0131r\u0131nlar\u0131, genellikle birincil eritmeye g\u00f6re daha karma\u015f\u0131k baca gaz\u0131 \u00fcretir; bunlar aras\u0131nda ak\u0131 katk\u0131lar\u0131ndan kaynaklanan klorlu bile\u015fikler (MgCl\u2082, AlCl\u2083), kirlenmi\u015f hurda kaplamalar\u0131ndan kaynaklanan organik kirleticiler ve hurda bile\u015fimine ba\u011fl\u0131 olarak de\u011fi\u015fen NOx bulunur. Orta s\u0131cakl\u0131k SCR mimarisi ikincil eritme i\u00e7in de uygulanabilir, ancak kataliz\u00f6r spesifikasyonu, baca gaz\u0131ndaki klor bile\u015fi\u011fi i\u00e7eri\u011fini (optimum olmayan s\u0131cakl\u0131klarda kataliz\u00f6r y\u00fczeyinde klorlu dioksinler olu\u015fturabilir) ve hurdadaki ak\u0131 kal\u0131nt\u0131lar\u0131ndan kaynaklanan daha y\u00fcksek alkali metal y\u00fck\u00fcn\u00fc hesaba katmal\u0131d\u0131r. \u0130kincil eritme uygulamalar\u0131 i\u00e7in kataliz\u00f6r belirtmeden \u00f6nce, ikincil eritme i\u00e7in temsili baca gaz\u0131 ko\u015fullar\u0131nda \u00f6zel bir kataliz\u00f6r yeterlilik testi \u00f6nerilir.<\/div>\n<\/details>\n
        \nS10. Yerinde inceleme i\u00e7in kullan\u0131labilecek ba\u015fka al\u00fcminyum eritme SCR referans tesisleri mevcut mu?<\/summary>\n
        Bu vaka \u00e7al\u0131\u015fmas\u0131nda a\u00e7\u0131klanan kurulum, al\u00fcminyum eritme f\u0131r\u0131n\u0131 sekt\u00f6r\u00fcnde orta s\u0131cakl\u0131kta y\u00fcksek verimli SCR sisteminin ilk uygulamas\u0131d\u0131r. Bu nedenle, bu \u00f6zel uygulama i\u00e7in birincil referans kurulumunu temsil etmektedir. Bu ilk uygulamadan bu yana, benzer tesislerde ek kurulumlar devreye al\u0131nm\u0131\u015ft\u0131r. Nitelikli potansiyel m\u00fc\u015fteriler i\u00e7in referans saha ziyaretleri d\u00fczenlenebilir. Referans dok\u00fcman\u0131 talep etmek veya benzer bir al\u00fcminyum eritme SCR kurulumuna ziyaret ayarlamak i\u00e7in l\u00fctfen a\u015fa\u011f\u0131daki ileti\u015fim ba\u011flant\u0131s\u0131n\u0131 kullan\u0131n.<\/div>\n<\/details>\n<\/section>\n
        \n

        <\/p>\n

        \n

        Al\u00fcminyum f\u0131r\u0131n\u0131n\u0131zdaki NOx sorununu \u00e7\u00f6zmeye haz\u0131r m\u0131s\u0131n\u0131z?<\/p>\n

        End\u00fcstriyel Emisyon Kontrol \u00c7\u00f6z\u00fcmlerinin T\u00fcm Yelpazesini Ke\u015ffedin<\/h2>\n

        Al\u00fcminyum eritme f\u0131r\u0131nlar\u0131 i\u00e7in orta s\u0131cakl\u0131kta SCR azot giderme i\u015fleminden End\u00fcstriyel VOC azalt\u0131m\u0131 i\u00e7in rejeneratif termal oksidasyon sistemleri<\/a>M\u00fchendislik ekibimiz, en zorlu demir d\u0131\u015f\u0131 metal emisyon kontrol gereksinimleri i\u00e7in AB IED uyumlu \u00e7\u00f6z\u00fcmler sunmaktad\u0131r.<\/p>\n

        Teknik Dan\u0131\u015fmanl\u0131k Talep Edin \u2192<\/a>
        \n        T\u00fcm Emisyon Kontrol Teknolojilerini Ke\u015ffedin<\/a><\/div>\n<\/section>\n

        <\/p>\n