MODIFICATION OF BOILER'S PRIMARY AIR FLOW AND COAL PULYERIZER'S START-STOP CONTROL

doi:10.19666/j.rlfd.2002.04.015

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MODIFICATION OF BOILER'S PRIMARY AIR FLOW AND COAL PULYERIZER'S START-STOP CONTROL

Thermal Power Generation Issue 4, Pages: 49-51(2002)

更新时间：2025-09-28

- MODIFICATION OF BOILER'S PRIMARY AIR FLOW AND COAL PULYERIZER'S START-STOP CONTROL
- 作者机构：
  
  1. 沙角B电厂
  2. 沙角B电厂广东虎门,523937
  3. 广东虎门,523937
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.2002.04.015
  CLC： TK39
- Published：2002
- 稿件说明：
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MODIFICATION OF BOILER'S PRIMARY AIR FLOW AND COAL PULYERIZER'S START-STOP CONTROL[J]. Thermal Power Generation, 2002, (4): 49-51.
DOI：

MODIFICATION OF BOILER'S PRIMARY AIR FLOW AND COAL PULYERIZER'S START-STOP CONTROL[J]. Thermal Power Generation, 2002, (4): 49-51. DOI： 10.19666/j.rlfd.2002.04.015.

摘要

根据发电厂磨煤机系统启停及一次风量对机组运行稳定性的影响

对控制系统进行了试验研究。提出了降低磨煤机启停最小风煤量和一次风量作为机组变负荷时快速暂态干预手段的改进方案

实施后增强了系统的变负荷适应能力及抗外扰能力

Abstract

Based on the influence of coal pulverizer’s start-stop and primary air flow upon the operation stabililty of units in thermal power plants

an experimental study of the control system has been carried out

and a modification scheme to reduce the min. flow of air-fuel mixture during the start-stop process of coal pulverizer is put forward

taking the primary air flow as a rapid transient interfere means during the time of unit’s load variation

the suitability to load variation and capability to external interference rejection of the said system having been strengthened.

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