Drop-In Replacement & Cost-Effective Benchmarking:
Engineered to rigorous international manufacturing standards, our SNCR series serves as a highly durable, low-CapEx alternative to premium Western environmental systems, such as the Fuel Tech NOXOUT® System ou Yara's SNCR modules. It delivers equivalent regulatory compliance, dynamic automation, and continuous operational durability without the excessive brand premium.

3. Working Principle & Process

In the complete absence of a catalytic bed, and strictly within a precise high-temperature window of 850°C to 1050°C, the SNCR system reduces NO_x by injecting an amino-containing reducing agent directly into the upper furnace or outlet flue.

Upon entering this extreme thermal zone, the reducing agent (ammonia water or urea) decomposes instantly. The resulting ammonia selectively targets and reacts with the NO_x in the combustion gases, forming naturally occurring nitrogen gas and water vapor. Using the boiler's own internal volume as the reaction chamber avoids the massive footprint of external reactors.

Zero Catalyst Dependence

Operating completely without a catalyst bed eliminates the massive recurring expenses associated with catalyst procurement, frequent replacements, and hazardous waste disposal processing.

Ultra-Low Capital Investment

By utilizing the existing boiler furnace as the reaction chamber, the system avoids the enormous CapEx required for structural steel, external reactors, and complex ductwork modifications.

Rapid Construction Cycle

Thanks to its modular skid-mounted design and minimal physical footprint, the entire SNCR installation can be executed during a standard maintenance shutdown, ensuring zero operational delays.

No Induced Fan Resistance

Unlike catalytic beds that create a severe pressure drop in the exhaust stream, SNCR injection lances add virtually zero aerodynamic resistance, saving substantial Induced Draft (ID) fan power.

Additive Efficiency Boost

While standard performance yields 40-50% efficiency, integrating our proprietary chemical additives into the reducing agent can widen the active temperature window and boost overall reduction by 3-5%.

• High-Temp Injection Module (Lances)
  The ultimate physical interface of the system. These dual-fluid (air and reagent) lances are fabricated from extremely high-grade 310S Stainless Steel or specialized Hastelloy alloys to continuously endure the abrasive, 1050°C conditions of the furnace without warping or burning out.
• Reagent Metering & Distribution Module
  Equipped with high-precision PID controllers, control valves, and magnetic mass flow meters. This skid dynamically adjusts the precise volume of urea or ammonia injected into the boiler, automatically balancing DeNOx emission targets while eliminating excess ammonia slip.
• Soot Blower System Integration
  Crucial for sustaining aerodynamic efficiency in heavy dust/ash environments. The blower forcefully clears fly ash and chemical deposits from high-temperature components and downstream surfaces, strictly preventing clogging and maintaining optimal fluid flow dynamics.

Material & Engineering Integrity

Beyond the sophisticated fluid controls, the aerodynamic superiority of the injection lances and the continuous protection offered by the Soot Blower are the absolute determining factors in whether the system reliably achieves its emission targets under severe industrial conditions.

Reagent & Processing Materials

Soot Blower System

Control & Instrumentation Suites

Beyond the mechanical SNCR skids, our company delivers comprehensive electrical control systems, robust high/low-voltage power supply cabinets, and all essential instrumentation necessary for flawless, fully automated denitrification.

This deep integration ensures that your DeNOx strategy is not only thermodynamically sound but also intelligent, reliable, and capable of seamless communication with your facility's master Distributed Control System (DCS).

Small & Medium Boilers

Perfect for facilities requiring a moderate 40-60% reduction in NO_x to meet local compliance. SNCR provides a highly economical retrofit without requiring expansive real estate for external reactors.

Cement Kilns

Cement kiln exhausts naturally possess the exact 850-1050°C thermal window required within their preheater towers, making SNCR an almost native, perfectly matched integration despite extreme dust loads.

WTE Incinerators

Waste-to-Energy incinerator flue gas contains severe levels of heavy metals, alkalis, and sticky ash that rapidly destroy SCR catalysts. SNCR avoids this vulnerability entirely, guaranteeing reliable operation.

Engineering Selection Notice: References to premium Western brands (such as Fuel Tech NOXOUT® or Yara SNCR) are provided purely for technical benchmarking and capacity sizing purposes. We do not sell counterfeit products nor claim any affiliation. The BLSNCR1W series is an independently developed, robust alternative engineered to deliver comparable automated DeNOx performance at a fraction of the Total Cost of Ownership (TCO).

As an ISO 9001:2015 certified integrated supplier, we enforce stringent quality control across our entire 50,000-ton annual production capacity manufacturing chain. Every subsystem of the BLSNCR1W series, from the high-pressure Urea/Ammonia pumping stations to the final PLC instrumentation modules, undergoes rigorous factory testing before shipment. We provide full compliance documentation, ensuring our pressure vessels and electrical assemblies meet rigorous global directives.

We are not merely equipment vendors; we deliver end-to-end EPC (Engineering, Procurement, and Construction) Turnkey Solutions. This encompasses upfront CFD temperature field modeling, dynamic lance positioning, global logistics, on-site erection supervision, and advanced intelligent commissioning. Our specialized international business units guarantee flawless project execution anywhere in the world.

1. What is the fundamental difference between SNCR and SCR technologies?

SNCR achieves NO_x reduction directly inside the high-temperature furnace (850-1050°C) without utilizing any catalyst. SCR, conversely, requires a dedicated external reactor operating at lower temperatures (300-400°C) filled with catalytic blocks. While SNCR features dramatically lower capital costs, its efficiency (40-60%) is naturally lower than SCR (>90%).

2. Why is the thermal window of 850°C to 1050°C absolutely critical?

Thermodynamics dictates the reaction. Below 850°C, the reduction reaction is severely sluggish, causing unreacted ammonia to escape (ammonia slip). If temperatures exceed 1050°C, the injected ammonia simply combusts, which paradoxically creates additional NO_x. Our engineers use advanced CFD to position lances perfectly within this specific thermal zone.

3. Can we utilize Urea instead of Ammonia Water as our primary reducing agent?

Absolutely. While Ammonia Water is highly effective, Urea solutions are non-hazardous, making them far safer and easier to transport, store, and handle. The BLSNCR1W series can be fully engineered and configured to utilize either reagent based on your facility's safety protocols.

4. What defines "Ammonia Slip," and how do your controls mitigate it?

Ammonia Slip refers to excess, unreacted NH₃ exiting through the exhaust stack, which is an environmental hazard. Our integrated PID control module constantly analyzes real-time data from CEMS NO_x monitors and precisely paces the injection pumps to ensure optimal stoichiometry, virtually eliminating slip.

5. What routine maintenance is expected for the BLSNCR1W system?

Maintenance is substantially lower than SCR systems. It primarily involves periodic physical inspections of the injection lances for thermal or abrasive wear, verifying atomizing air compressor pressures, and calibrating the metering flow valves. Using high-grade alloys minimizes lance replacement frequency.

6. How disruptive is the installation process to ongoing plant operations?

Because the SNCR architecture leverages your existing boiler infrastructure without demanding massive structural reactor additions, the physical installation is remarkably rapid. The wall penetrations and lance mounting can typically be executed swiftly during a scheduled, routine plant maintenance shutdown.

7. Is an SNCR system vulnerable to catalyst poisoning from heavy metals?

No. This is SNCR's greatest operational strength. By entirely omitting the catalyst material, the system is fundamentally immune to the chemical poisoning, arsenic blinding, or physical clogging caused by the high dust and heavy metals inherent in Waste-to-Energy (WTE) and metallurgical applications.

8. How do the injection lances survive constant 1050°C exposure without melting?

Our advanced dual-fluid lances utilize the continuous flow of atomizing compressed air and the aqueous reagent to create internal core cooling. Provided the flow is maintained, the Hastelloy or 310S stainless steel alloys remain well below their structural failure thresholds despite the extreme external furnace heat.

9. Can a standalone SNCR system achieve ultra-low emission targets (e.g., <50 mg/Nm³)?

If the initial baseline NO_x is exceptionally high, SNCR alone (at 40-60% efficiency) may not achieve strict ultra-low limits. However, it serves as an excellent primary reduction stage. The intentional "slip" from the SNCR can then feed a much smaller, highly economical downstream SCR reactor—a hybrid approach known as SNCR/SCR.

10. Do your electrical control modules integrate seamlessly with plant DCS?

Absolutely. Our supplied PLC control cabinets are designed with open industrial communication protocols (such as Modbus, Profibus, or Ethernet/IP). All metering pumps, compressed air valves, and injection parameters can be fully monitored and managed directly from your central Distributed Control System (DCS).