Reasons analysis and preventive measures on larger opening of normal drainage regulating valve of highpressure heater

Huadian Technology ›› 2011, Vol. 33 ›› Issue (2): 24-26.

• 技术交流 • Previous Articles Next Articles

Reasons analysis and preventive measures on larger opening of normal drainage regulating valve of highpressure heater

BI Yuheng, L Pengfei, NI Guodong

Anhui Huadian Suzhou Power Generation Corporation Limited, Suzhou 234101, China

Received:1900-01-01 Revised:1900-01-01 Published:2011-02-25

Abstract

Abstract: The reasons of larger opening of normal drainage regulating valve of highpressure heater No.1 in 600MW supercritical unit in a power plant were analyzed; and the solving methods and the preventive measures were put forward, which can be used as reference for the highpressure heater operation of other power plants. 

Key words: high-pressure heater, drainage, regulating valve, blockage, preventive measure

BI Yuheng;L Pengfei;NI Guodong. Reasons analysis and preventive measures on larger opening of normal drainage regulating valve of highpressure heater[J]. Huadian Technology, 2011, 33(2): 24-26.

[1]	WANG Wei, WANG Lele, KONG Fanhai, CHEN Mu, YAO Yan, LEI Siyuan. Selection and design of SCR catalyst for a high-temperature dedusting and denitration integrated device [J]. Huadian Technology, 2020, 42(9): 26-31.
[2]	SHAO Lei，PAN Guangqiang，ZHANG Yuquan，CHU Hao，CAO Wei. Application of acoustic blockage removal technique applied in urea pyrolysis furnaces [J]. Huadian Technology, 2020, 42(6): 43-46.
[3]	CHEN Hao，XU Junfeng. Influence of 600MW supercritical unit steam distribution characteristics on shaft vibration [J]. Huadian Technology, 2019, 41(9): 29-32.
[4]	SONG Xin. Cause analysis and solution for ignition failure of V94.3A gas turbine [J]. Huadian Technology, 2019, 41(8): 24-26.
[5]	WANG Xueli. Reasons analysis for tube blasting and preventive measures for superheater of 1000MW supercritical boiler [J]. Huadian Technology, 2019, 41(7): 70-72.
[6]	中国华电科工集团有限公司，北京〓100070. Study on the influence of fresh water drainage on seawater desulphurization system [J]. Huadian Technology, 2019, 41(5): 1-7.
[7]	KE Hao，LI Zhenliang，WANG Xi. Cause analysis and countermeasures for tube burst of hightemperature superheater in supercritical boiler [J]. Huadian Technology, 2019, 41(2): 26-27.
[8]	YU Shuhui. The research on turbine control mode of feed water pump in high back pressure heating reformation [J]. Huadian Technology, 2019, 41(1): 64-66.
[9]	ZHU Hao. Discussion on the problem of power supply with different grids in thermal power plant [J]. Huadian Technology, 2018, 40(9): 25-27.
[10]	ZHANG Shaoxing. Application of rotary air flow clearing technology in the coal bunker unblocking [J]. Huadian Technology, 2018, 40(7): 40-42.
[11]	CHEN Yongsheng. Regular deviation analysis and treatment of tube explosions caused by oxide scale clogging at final superheater of boilers [J]. Huadian Technology, 2018, 40(6): 23-25.
[12]	DAI Jingyi1, DAI Bin2, MA Kecong2. Analysis and preventive measures for the ash collapse and fire extinguishing of the 600MW Wshaped flame boiler [J]. Huadian Technology, 2018, 40(3): 39-41.
[13]	LIU Ensheng1, ZHOU Xingang2. Reason analysis and improvement on the blades fault of twostage adjustable moving blade axial flow draft fan [J]. Huadian Technology, 2018, 40(2): 50-51.
[14]	LU Dingkang, XU Jianguo, QIAN Songfeng. Causes and preventive measures for heating surface leakage of waste heat boiler of gas turbine power station [J]. Huadian Technology, 2018, 40(11): 27-30.
[15]	CHENG Tu1, YU Lifan2. The effect and improvement scheme on unfavorable draining of shaft sealing pipeline [J]. Huadian Technology, 2018, 40(11): 42-44.

Reasons analysis and preventive measures on larger opening of normal drainage regulating valve of highpressure heater

Knowledge

Abstract

Cite this article

share this article

References

Related Articles 15

Recommended Articles

Metrics

Comments