TECHNICAL FEATURES OF PIPE-BLOWING ON ULTRA-SUPERCRITICAL 660 MW UNIT IN JINGGUANGSHAN POWER PLANT

FU Longlong; MA Xiaolong; XIN Junfang; ZHAO Jingtao Xi'an Thermal Power Research Institute Co Ltd

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TECHNICAL FEATURES OF PIPE-BLOWING ON ULTRA-SUPERCRITICAL 660 MW UNIT IN JINGGUANGSHAN POWER PLANT

Thermal Power Generation Vol. 40, Issue 6, Pages: 41-43(2011)

更新时间：2025-09-28

- TECHNICAL FEATURES OF PIPE-BLOWING ON ULTRA-SUPERCRITICAL 660 MW UNIT IN JINGGUANGSHAN POWER PLANT
- 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： TK229.2
- Published：2011
- 稿件说明：
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FU Longlong, MA Xiaolong, XIN Junfang, et al. TECHNICAL FEATURES OF PIPE-BLOWING ON ULTRA-SUPERCRITICAL 660 MW UNIT IN JINGGUANGSHAN POWER PLANT[J]. Thermal Power Generation, 2011, 40(6): 41-43.
DOI：

FU Longlong, MA Xiaolong, XIN Junfang, et al. TECHNICAL FEATURES OF PIPE-BLOWING ON ULTRA-SUPERCRITICAL 660 MW UNIT IN JINGGUANGSHAN POWER PLANT[J]. Thermal Power Generation, 2011, 40(6): 41-43. DOI：

摘要

介绍了华能井冈山电厂3号超超临界660 MW机组锅炉吹管过程及技术特点。因吹管时炉水循环泵未安装

故为在无炉水循环泵条件下的蒸汽吹管;使用相邻机组电动给水泵(电泵)

为无电泵机组吹管。锅炉疏水回收到除氧器

缓解了凝汽器不具备进水条件导致的吹管水量不足问题。虽与常规机组锅炉吹管条件不同

但吹管结果完全符合规范要求。

Abstract

The pipe-blowing process and its technical features for boiler of ultra-supercritical 660 MW unit no.3 in Huaneng Jinggangshan Power Plant have been presented.Owing to the boiler water circulating pump hadn't been installed at the time of pipe-blowing

therfore

it is called pipe-blowing using steam under condition without the boiler water circulating pump.By using the motor-driven feed-water pump of neighbouring unit

the pipe-blowing of unit without feed-water pump has been realized.The drain from boiler is reclaimed into the deaerator

alleviating the problem of having not enough water to carry out the pipe-blowing due to the condenser hasn't prepared for water-intaking.Though it is different from the pipe-blowing condition of boiler for conventional units

however

the effectiveness of pipe-blowing is fully conformed to the requirements defined in specifications

playing certain exemplary role.

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