浙江电力

2013, v.32;No.202(02) 52-54+57

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锅炉冷态启动过程中汽温倒挂问题的分析与对策
Analysis and Solution to Steam Temperature Inversion in Cold Startup of Boiler

蔡国柱,胡中庆,李文华,李剑
CAI Guo-zhu,HU Zhong-qing,LI Wen-hua,LI Jian(1.Zhejiang Energy Wenzhou Power Generation Co.

摘要(Abstract):

介绍了温州发电厂300 MW机组锅炉在微油点火启动过程中出现的汽温倒挂现象,对微油点火启动与传统大油枪启动方式炉内火焰中心、传热分配变化进行分析,阐述了汽温倒挂现象的形成原因,并给出了解决问题的具体措施,如调整微油枪出力、二次风配风,调整启炉磨煤机的一次风速、一次风温、煤粉细度等。
The paper introduces steam temperature inversion in micro-oil ignition of 300 MW units in Wenzhou Power Generation Co.,Ltd.It analyzes furnace flame kernel and heat distribution change by micro-ignition and traditional large oil gun and expounds causes for steam temperature inversion;furthermore,it proposes specific measures,such as output power adjustment of oil gun,distribution of secondary draft,adjusting primary draft,temperature of primary draft and coal fineness of coal pulverizer for boiler startup.

关键词(KeyWords): 锅炉;汽温倒挂;微油点火;二次风配风
boiler;steam temperature inversion;micro-oil igniting;secondary air distribution

Abstract:

Keywords:

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作者(Author): 蔡国柱,胡中庆,李文华,李剑
CAI Guo-zhu,HU Zhong-qing,LI Wen-hua,LI Jian(1.Zhejiang Energy Wenzhou Power Generation Co.

DOI: 10.19585/j.zjdl.2013.02.014

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