OPTIMIZED OPERATION OF CIRCULATING WATER PUMPS FOR 200 MW UNITS

ZHOU Dongyang; ZHANG Zhengfeng Xi'an Thermal Power Research Institute Co Ltd

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OPTIMIZED OPERATION OF CIRCULATING WATER PUMPS FOR 200 MW UNITS

Thermal Power Generation Vol. 41, Issue 7, Pages: 84-85(2012)

更新时间：2025-09-28

- OPTIMIZED OPERATION OF CIRCULATING WATER PUMPS FOR 200 MW UNITS
- 作者机构：
  
  西安热工研究院有限公司
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM621
- Published：2012
- 稿件说明：
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ZHOU Dongyang, ZHANG Zhengfeng Xi'an Thermal Power Research Institute Co Ltd. OPTIMIZED OPERATION OF CIRCULATING WATER PUMPS FOR 200 MW UNITS[J]. Thermal Power Generation, 2012, 41(7): 84-85.
DOI：

ZHOU Dongyang, ZHANG Zhengfeng Xi'an Thermal Power Research Institute Co Ltd. OPTIMIZED OPERATION OF CIRCULATING WATER PUMPS FOR 200 MW UNITS[J]. Thermal Power Generation, 2012, 41(7): 84-85. DOI：

摘要

通过现场试验

测量了在一定大气温度和典型负荷下220MW机组循环水泵各种运行方式的汽轮机排汽压力

并根据功率修正曲线得到不同循环水泵运行方式下汽轮机的功率增量

与循环水泵耗功比较

以确定循环水泵最佳运行方式。同时

制作了循环水泵优化运行方式图

按照秦岭电厂循环水泵的设置

可组合出2机2台、2机3台、2机4台、2机5台4种循环水泵运行方式

灵活方便

达到了提高电厂综合效率的目的。

Abstract

Through tests in the field

the exhaust steam pressure under different operation modes of circulating water pumps for 200 MW units at certain atmospheric temperature and typic load has been measured

and the power increament of steam turbine under different operation modes of the circulating water pumps being obtained according to the power correction curves

compared with the power consumption of circulating water pumps

the optimal operation mode of circulating water pumps can be determined.The optimized operation mode chart can be worked out

accourding to the lay-out of circulating water pumps in Qinling Power Plant

the turbines and pumps can be grouped into four operation modes

namely 2 turbines with 2 pumps

2 turbines with 3 pumps

2 turbines with 4 pumps

and 2 turbines with 5 pumps

being flexible and convenient

reaching the purpose of enhancing the conprehensive efficiency of power plant.

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