Design scheme and engineering application of capacity upgrading and low NO<sub>x</sub> combustion retrofitting for gas boilers

CHEN Weilin

English

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Design scheme and engineering application of capacity upgrading and low NO_x combustion retrofitting for gas boilers

Thermal Power Generation Vol. 43, Issue 6, Pages: 127-131(2014)

更新时间：2025-09-28

- Design scheme and engineering application of capacity upgrading and low NO_x combustion retrofitting for gas boilers
- 作者机构：
  
  上海众一石化工程有限公司
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK229.8
- Published：2014
- 稿件说明：
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CHEN Weilin. Design scheme and engineering application of capacity upgrading and low NO_x combustion retrofitting for gas boilers[J]. Thermal Power Generation, 2014, 43(6): 127-131.
DOI：

CHEN Weilin. Design scheme and engineering application of capacity upgrading and low NO_x combustion retrofitting for gas boilers[J]. Thermal Power Generation, 2014, 43(6): 127-131. DOI：

摘要

针对燃气锅炉面临的增容及低氮燃烧问题

通过系统分析燃气锅炉增容及低氮燃烧改造所要解决的理论技术问题

得出相关计算和设计

据此形成了一套具有普适性的技术设计方案。以某台燃气锅炉增容和低氮燃烧改造为例

应用该设计方案通过综合评估、低氮燃烧设计、热力校核计算、水动力校核计算、汽包增容及强度校核计算、烟风阻力校核计算及经济性评价等过程详细论述了该方案。改造实施后

产汽量提高20%

单位燃料消耗量有所降低

NOx排放量减少约140t

锅炉效率增加了0.2%

预计3.5年可收回投资。

Abstract

To solve the problems that gas boilers need to upgrade the capacity and reduce NOxemission during combustion

all technical problems were systematically analyzed.A general design scheme was formed by reorganizing all the related calculations and design unit.Moreover

capacity upgrading and low NOxcombustion retrofitting of a gas boiler was taking as the example to verify the feasibility and operability of the general design scheme

by illustrating an engineering practice in detail including comprehensive evaluation

low NOxcombustion system design

thermodynamic checking calculation

hydrodynamic checking calculation

drum capacity upgrading and strength checking calculation

flue wind resistance checking calculations and economic evaluation.After the transformation

the steam generation increased by 20%

the boiler efficiency rose by 0.2%

the unit fuel consumption dropped

the NOxemission reduced by 140t

and the investment can be recovered within 3to 5years

according to the estimation.

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Related Institution

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Xi'an Thermal Power Research Institute Co., Ltd

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Design scheme and engineering application of capacity upgrading and low NOx combustion retrofitting for gas boilers

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摘要

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Design scheme and engineering application of capacity upgrading and low NO_x combustion retrofitting for gas boilers