RETROFIT OF MATERIAL-RETURNING ENTRANCE AND SLAG-COOLING AIR OF COMBINED SLAG-COOLER WITH AIR AND WATER FOR CFB BOILERS

GUO Xiao-yuan1; HUANG Wei-gang1; LI Long1; DANG Xiao-jian2 1.Baode Shendong Power Generatino Co Ltd

doi:10.19666/j.rlfd.2008.08.009

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RETROFIT OF MATERIAL-RETURNING ENTRANCE AND SLAG-COOLING AIR OF COMBINED SLAG-COOLER WITH AIR AND WATER FOR CFB BOILERS

更新时间：2025-09-28

- RETROFIT OF MATERIAL-RETURNING ENTRANCE AND SLAG-COOLING AIR OF COMBINED SLAG-COOLER WITH AIR AND WATER FOR CFB BOILERS
- Thermal Power Generation Issue 8, Pages: 34-36(2008)
- 作者机构：
  
  1. 神东发电有限责任公司
  2. 西安热工研究院有限公司
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.2008.08.009
  CLC： TK229.6
- Published：2008
- 稿件说明：
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GUO Xiao-yuan1, HUANG Wei-gang1, LI Long1, et al. RETROFIT OF MATERIAL-RETURNING ENTRANCE AND SLAG-COOLING AIR OF COMBINED SLAG-COOLER WITH AIR AND WATER FOR CFB BOILERS[J]. Thermal power generation, 2008, (8): 34-36.
DOI：

GUO Xiao-yuan1, HUANG Wei-gang1, LI Long1, et al. RETROFIT OF MATERIAL-RETURNING ENTRANCE AND SLAG-COOLING AIR OF COMBINED SLAG-COOLER WITH AIR AND WATER FOR CFB BOILERS[J]. Thermal power generation, 2008, (8): 34-36. DOI： 10.19666/j.rlfd.2008.08.009.

摘要

神东发电有限责任公司480 t/h循环流化床锅炉存在风帽和水冷壁磨损严重问题。研究发现

导致风帽磨损严重的主要原因是返料口设计不合理。因此

对返料口及风水联合冷渣器冷渣风进行了改造

并用一次冷风代替原冷渣风。改造后

风帽未再发生磨损以及过烧现象

运行情况良好

节能显著。

Abstract

The problem of serious wornout exisits on air-cap and water-wall of 480 t/h CFB boilers in Baode Shendong Power Generation Co Ltd.It has been discovered from study that the main cause leading to serious wornout is the unreasonable design of material-returning entrance

hence

the said entrance has been retrofitted.After retrofitting

the wornout and over-burnt phenomena haven't occurred again.In addition

the retrofit of slag-cooling air for the combined slag-cooler with air and water has been also carried out

using the primary air to replace the original slag-cooling air

obtaining good operating performance

having remarkable energy-saving effectiveness.

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