TEST STUDY ON START-UP AND SHUTDOWN OF COAL PULVERIZER WITHOUT INJECTIN FUEL OIL IN NORMAL OPERATION OF BOILERS IN SHAJIAO B POWER PLANT

ZHANG Xiao-qing; KUANG Zhen-ping Shajiao B Power Plant

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TEST STUDY ON START-UP AND SHUTDOWN OF COAL PULVERIZER WITHOUT INJECTIN FUEL OIL IN NORMAL OPERATION OF BOILERS IN SHAJIAO B POWER PLANT

Thermal Power Generation Vol. 38, Issue 12, Pages: 44-47(2009)

更新时间：2025-09-28

- TEST STUDY ON START-UP AND SHUTDOWN OF COAL PULVERIZER WITHOUT INJECTIN FUEL OIL IN NORMAL OPERATION OF BOILERS IN SHAJIAO B POWER PLANT
- 作者机构：
  
  沙角B电厂
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK227
- Published：2009
- 稿件说明：
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ZHANG Xiao-qing, KUANG Zhen-ping Shajiao B Power Plant. TEST STUDY ON START-UP AND SHUTDOWN OF COAL PULVERIZER WITHOUT INJECTIN FUEL OIL IN NORMAL OPERATION OF BOILERS IN SHAJIAO B POWER PLANT[J]. Thermal Power Generation, 2009, 38(12): 44-47.
DOI：

ZHANG Xiao-qing, KUANG Zhen-ping Shajiao B Power Plant. TEST STUDY ON START-UP AND SHUTDOWN OF COAL PULVERIZER WITHOUT INJECTIN FUEL OIL IN NORMAL OPERATION OF BOILERS IN SHAJIAO B POWER PLANT[J]. Thermal Power Generation, 2009, 38(12): 44-47. DOI：

摘要

沙角B电厂锅炉正常运行时起停磨煤机需投油稳燃造成电厂燃油消耗大。对此

在1号炉进行了不投油起停磨煤机试验。结果表明

在锅炉现有日常运行模式下

炉膛温度大于煤粉气流在离开燃烧器出口1.0m处稳定着火所需温度

起动磨煤机对应的燃烧器爆燃产生的压力不会对炉膛负压造成大的影响。因此

可安全实现不投油起停磨煤机

仅此每炉每年可节约磨煤机起停助燃油约300t。

Abstract

During start-up and shutdown of coal pulverizer in normal operation of boilers in Shajiao B Power Plant

injection of fuel oil should be carried out for stabilization of combustion

resulting in large consumption of fuel oil in said power plant.Results of test show that the temperature in furnace is higher than the temperature required for stabilizing ignition of pulverized coal and air flow at a distance of 1.0 m far from outlet of burners

and the pressure produced from knocking combustion of burners hasn't large influence upon negative pressure in the furnace under present operation mode of boilers.Hence

the start-up and shutdown of coal pulverizer without injecting fuel oil can be safely realized.Only due to this

300 t of fuel oil can be saved for one boiler in one year.

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