| 700MW机组引风机与增压风机改造方案分析与实施 |
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| 引用本文： | 蔡晓云.700MW机组引风机与增压风机改造方案分析与实施[J].东北电力技术,2014,35(9):41-44. |
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| 作者姓名： | 蔡晓云 |
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| 作者单位： | 珠海发电厂,广东珠海,519000 |
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| 摘 要： | 珠海发电厂2×700 MW机组需进行脱硝系统、电除尘系统及脱硫系统扩容等改造,原引风机和脱硫增压风机已不能满足改造后机组出力要求,因此需对原引风机及脱硫增压风机进行改造。对几种改造方案的优缺点进行了分析,并对最终采用的引风机与增压风机合并的改造方案进行了介绍。探讨了锅炉炉膛设计瞬态负压内爆的风险,并对该风险所增加的机组保护进行分析描述。
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| 关 键 词： | 引风机 增压风机 炉膛负压 合并 联合风机 |
Analysis and Implementation of Induced Draft Fan and Booster Fan Transformation in 700 MW Units |
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| CAI Xiao-yun.Analysis and Implementation of Induced Draft Fan and Booster Fan Transformation in 700 MW Units[J].Northeast Electric Power Technology,2014,35(9):41-44. |
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| Authors: | CAI Xiao-yun |
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| Affiliation: | CAI Xiao-yun (Zhuhai Power Plant, Zhuhai, Guangdong519000, China) |
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| Abstract: | Transformations of denitrification systems ／ ESP system and FGD system are needed in Zhuhai Power Plant 2 × 700 MW units, the original induced draft fan and FGD booster fan can not meet the requirements after transformation, so it is needed to transform the original induced draft fan and FGD booster fan. In this paper, the writer analyzes the advantages and disadvantages of several Iransformation programs, explains the induced draft fan and FGD booster fan merger program which is adopted finally, and discusses about the risk of boiler furnace implosion. |
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| Keywords: | Induced draft fan Booster fan Furnace negative pressure Merge Combined fan |
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