| 330MW机组凝结水泵变频改造及系统运行优化 |
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| 引用本文： | 盛喜兵,李振强,杜化仲,王景宽,张景娥.330MW机组凝结水泵变频改造及系统运行优化[J].热力发电,2011,40(9). |
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| 作者姓名： | 盛喜兵 李振强 杜化仲 王景宽 张景娥 |
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| 作者单位： | 国电菏泽发电厂,山东 菏泽,274032 |
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| 摘 要： | 国电菏泽电厂三期330 MW机组凝结水泵(凝泵)实施变频改造后,为了进一步降低凝结水管道的压力损失,机组正常运行时全开除氧器水位主、副调节阀及其旁路电动阀。为了满足汽动给水泵(汽泵)密封水压力的需要,适当开启汽泵密封水旁路阀,同时对凝结水系统控制逻辑进行了优化。优化后凝泵在变频运行方式下节电效果明显,机组安全性得到进一步提高。
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| 关 键 词： | 330MW机组 凝结水泵 变频改造 压力损失 控制优化 |
FREQUENCY CONVERSION RETROFIT OF CONDENSATE PUMP FOR 330 MW UNIT AND SYSTEM OPEATION OPTIMIZATION THEREOF |
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| SHENG Xibing,LI Zhenqiang,DU Huazhong,WAGN Jingkuan,ZHANG Jing'e.FREQUENCY CONVERSION RETROFIT OF CONDENSATE PUMP FOR 330 MW UNIT AND SYSTEM OPEATION OPTIMIZATION THEREOF[J].Thermal Power Generation,2011,40(9). |
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| Authors: | SHENG Xibing LI Zhenqiang DU Huazhong WAGN Jingkuan ZHANG Jing'e |
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| Affiliation: | SHENG Xibing,LI Zhenqiang,DU Huazhong,WAGN Jingkuan,ZHANG Jing'e Guodian Heze Power Plant,Heze 274032,Shandong Province,PRC |
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| Abstract: | After implementation of frequency conversion retrofit for condensate pumps of 330 MW untis in the third-phase poject of Guodian Heze Power Plant,in order to further reduce the pressure loss in the condensate pipeline,the main and auxiliary regulating valves for water-level in the deaerator as well as its bypass motor-operated valve are fully opened during normal operation of units.For satisfying the requirement of sealing water pressure in the turbine-driven feed-water pump,the sealing water bypass valve of... |
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| Keywords: | 330 MW unit condensate pump frequency conversion retrofit pressure loss control optimization |
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