DESIGN FOR RETROFITTING ECONOMIZER OF A 670t/h PULVERIZED COAL BOILER

doi:10.19666/j.rlfd.2004.04.012

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DESIGN FOR RETROFITTING ECONOMIZER OF A 670t/h PULVERIZED COAL BOILER

更新时间：2025-09-28

- DESIGN FOR RETROFITTING ECONOMIZER OF A 670t/h PULVERIZED COAL BOILER
- Thermal Power Generation Issue 4, Pages: 40-44(2004)
- 作者机构：
  
  1. 长沙理工大学
  2. 耒阳电厂
  4. ,湖南,长沙,410077
  5. 湖南耒阳,421800
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.2004.04.012
  CLC： TK223.2
- Published：2004
- 稿件说明：
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DESIGN FOR RETROFITTING ECONOMIZER OF A 670t/h PULVERIZED COAL BOILER[J]. Thermal power generation, 2004, (4): 40-44.
DOI：

DESIGN FOR RETROFITTING ECONOMIZER OF A 670t/h PULVERIZED COAL BOILER[J]. Thermal power generation, 2004, (4): 40-44. DOI： 10.19666/j.rlfd.2004.04.012.

摘要

为了解决耒阳电厂 6 70t/h煤粉锅炉排烟温度过高的问题

经试验分析

提出了省煤器改造的 4种方案

并详细比较分析了各种方案的优缺点

最终确定在现有光管省煤器之上加一部分螺旋肋片管的改造方案。方案实施后

排烟温度降低约 2 2℃

且改造工作量小、投资少

具有很好的经济性和推广价值。

Abstract

In order to solve the problem of undue high exhaust gas temperature of a 670t/h pulverized coal boiler

four schemes of retrofitting the economiser have been put forward on the basis of measurement

test

and theoritical analysis

strong and weak points of each scheme being carefully compared and analysed. Finally

it is determined to use a scheme of adding partial spiral ribbed tubes to the existing economizer of smooth tubes. After implementation of the said scheme

the exhaust gas temperature can be lowered by 22℃

and the work quantity of retrofitting to be small

the capital investment to be little

having very good economic and popularized value.

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