Energy saving reformation for catalytic hydrolysis of boiler flue gas denitration urea pyrolysis furnace

WU Yan; YANG Tianming

doi:10.19666/j.rlfd.201804124

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Energy saving reformation for catalytic hydrolysis of boiler flue gas denitration urea pyrolysis furnace

Thermal Power Generation Vol. 47, Issue 10, Pages: 132-136(2018)

更新时间：2025-09-28

- Energy saving reformation for catalytic hydrolysis of boiler flue gas denitration urea pyrolysis furnace
- 作者机构：
  
  国家电投集团内蒙古能源有限公司
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.201804124
  CLC： X511
- Published Online：28 September 2018，
  
  Published：2018
- 稿件说明：
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WU Yan, YANG Tianming. Energy saving reformation for catalytic hydrolysis of boiler flue gas denitration urea pyrolysis furnace[J]. Thermal Power Generation, 2018, 47(10): 132-136.
DOI：

WU Yan, YANG Tianming. Energy saving reformation for catalytic hydrolysis of boiler flue gas denitration urea pyrolysis furnace[J]. Thermal Power Generation, 2018, 47(10): 132-136. DOI： 10.19666/j.rlfd.201804124.

摘要

针对国内锅炉烟气脱硝尿素热解炉运行过程中存在的问题

从能耗、尿素分解率、副产物等方面进行了分析

比较了当前成熟的尿素烟气热解技术和尿素水解技术路线

提出了最佳尿素热解炉催化水解节能改造技术路线。现场运行实践表明

采用尿素催化水解技术对尿素热解炉进行改造后

脱硝系统制氨可靠性得到大幅度提高

能耗、尿素利用率以及对尾部受热面的影响等指标得到大幅度优化

节能改造投资回收期仅为1～2.1年。

Abstract

Aiming at solving the problems occurred during operation of boiler flue gas denitration urea pyrolysis furnace

this article analyzed the energy consumption

urea decomposition rate and byproducts of the furnace. Moreover

the existing mature urea flue gas pyrolysis technology and urea hydrolysis technology route were compared to find out the optimum technical route for urea pyrolysis reformation. The field operation shows that

by using the urea catalytic hydrolysis technology to reform the urea pyrolysis furnace

the ammonia preparation reliability of the denitration system was greatly improved

the indexes such as energy consumption

urea decomposition rate and the effect on the tail heating surface were obviously optimized

and the investment payback period of the energy-saving renovation was 1 to 2.1 years.

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