APPLICATION OF HYBRID DENITRIFICATION TECHNOLOGY SNCR&amp;SCR ONTO 410t/h BOILER

ZHOU Guomin; ZHAO Haijun; GONG Jiayou; WANG Songfeng Guohua Beijing Thermal Power Branch Company

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APPLICATION OF HYBRID DENITRIFICATION TECHNOLOGY SNCR&SCR ONTO 410t/h BOILER

Thermal Power Generation Vol. 40, Issue 3, Pages: 58-61(2011)

更新时间：2025-09-28

- APPLICATION OF HYBRID DENITRIFICATION TECHNOLOGY SNCR&SCR ONTO 410t/h BOILER
- 作者机构：
  
  国华北京热电分公司
- 作者简介：
- 基金信息：
- DOI：
  CLC： X701
- Published：2011
- 稿件说明：
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ZHOU Guomin, ZHAO Haijun, GONG Jiayou, et al. APPLICATION OF HYBRID DENITRIFICATION TECHNOLOGY SNCR&SCR ONTO 410t/h BOILER[J]. Thermal Power Generation, 2011, 40(3): 58-61.
DOI：

ZHOU Guomin, ZHAO Haijun, GONG Jiayou, et al. APPLICATION OF HYBRID DENITRIFICATION TECHNOLOGY SNCR&SCR ONTO 410t/h BOILER[J]. Thermal Power Generation, 2011, 40(3): 58-61. DOI：

摘要

介绍某电厂410 t/h燃煤锅炉SNCR/SCR联合脱硝系统的脱硝原理、基本构成及应用效果。对运行中出现的如尿素溶液喷孔下方水冷壁腐蚀、冷灰斗积渣、氨分布不均等问题进行分析并采取措施予以防范。测试结果表明

在NOx浓度为247~318 mg/m3的情况下及氨逃逸量不大于5μL/L时

SNCR/SCR联合脱硝系统脱硝效率大于80%。

Abstract

The denitrification principle

basic structure

and effectiveness in application of hybrid denitrification techonology SNCR SCR on 410 t/h coal-fired boiler in one power plant have been presented

the problems occurred in operation

such as corrosion of water-wall below spraying hole of carbamide solution

deposit of slags in water-cooled ash hopper

and non-uniform distribution of ammonia etc.

being analysed

and preventive measures being adopted.Results of test show that the denitrification efficiency of said hybrid denitrification techonology is greater than 80% under condition of NOx concentration being 247~318 mg/m3

and the escape of zmmonia isn't greater than 5 μL/L.

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APPLICATION OF HYBRID DENITRIFICATION TECHNOLOGY SNCR&SCR ONTO 410t/h BOILER

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Keywords

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