APPLICATION OF A NEW TYPE PULVERIZED COAL NOZZLE AEROTIPTM IN RETROFITTING THE BURNERS ON A 600MW UNIT

doi:10.19666/j.rlfd.2002.04.020

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APPLICATION OF A NEW TYPE PULVERIZED COAL NOZZLE AEROTIPTM IN RETROFITTING THE BURNERS ON A 600MW UNIT

Thermal Power Generation Issue 4, Pages: 61-62(2002)

更新时间：2025-09-28

- APPLICATION OF A NEW TYPE PULVERIZED COAL NOZZLE AEROTIPTM IN RETROFITTING THE BURNERS ON A 600MW UNIT
- 作者机构：
  
  1. 华中科技大学,湖北,武汉,430072
  2. ,湖北,武汉,430072
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.2002.04.020
  CLC： TK223.23
- Published：2002
- 稿件说明：
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APPLICATION OF A NEW TYPE PULVERIZED COAL NOZZLE AEROTIPTM IN RETROFITTING THE BURNERS ON A 600MW UNIT[J]. Thermal Power Generation, 2002, (4): 61-62.
DOI：

APPLICATION OF A NEW TYPE PULVERIZED COAL NOZZLE AEROTIPTM IN RETROFITTING THE BURNERS ON A 600MW UNIT[J]. Thermal Power Generation, 2002, (4): 61-62. DOI： 10.19666/j.rlfd.2002.04.020.

摘要

介绍沙角C发电厂 6 6 0MW机组 3号锅炉燃烧器的改造情况。在分析锅炉炉膛动力场试验结果的基础上

对 2种燃烧器的特性进行了研究

认为导致结渣的根本原因是炉内气流贴墙严重

实际切圆过大及一次风刚性不足等。选用新型的AerotipTM燃烧器来替代WR型燃烧器

有效地解决了炉膛结渣和燃烧器烧坏变形的问题。经改造前后锅炉效率试验结果的比较

证实该改造是行之有效的

Abstract

The retrofit of burners on boiler of 660MW generating uinit No 3 in Shajiao Power Plant C has been described. On the basis of analyzing the air dynamic behavior testing results of the boiler

a study on the properties of two kind burners has been carried out. It was found that the fundamental causes leading to furnace slagging are: （1） the air flow in the furnace was severely closing to the wall; （2）The actual tangential circle was over large; and （3） the stiffness of primary air flow was insufficient. A new type pulverized coal nozzles Aerotip TM have been used in stead of WR type burners

the problems of furnace slagging and nozzle deformation due to burn-out have effectively been resolved. It is proven that the retrofit to be effective in practice through comparation of boiler efficiency testing results before and after retrofitting.

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