EXPLORATION OF FEED-WATER AVT(O) TREATMENT FOR ONCE-THROUGH BOILER OF SUPERCRITICAL 600 MW UNIT

GU Qing-hua(Guohua Taicang Power Generation Co Ltd

doi:10.19666/j.rlfd.2007.11.020

English

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EXPLORATION OF FEED-WATER AVT(O) TREATMENT FOR ONCE-THROUGH BOILER OF SUPERCRITICAL 600 MW UNIT

Thermal Power Generation Issue 11, Pages: 74-76(2007)

更新时间：2025-09-28

- EXPLORATION OF FEED-WATER AVT(O) TREATMENT FOR ONCE-THROUGH BOILER OF SUPERCRITICAL 600 MW UNIT
- 作者机构：
  
  国华太仓发电有限公司
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.2007.11.020
  CLC： TM621.2
- Published：2007
- 稿件说明：
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GU Qing-hua(Guohua Taicang Power Generation Co Ltd. EXPLORATION OF FEED-WATER AVT(O) TREATMENT FOR ONCE-THROUGH BOILER OF SUPERCRITICAL 600 MW UNIT[J]. Thermal Power Generation, 2007, (11): 74-76.
DOI：

GU Qing-hua(Guohua Taicang Power Generation Co Ltd. EXPLORATION OF FEED-WATER AVT(O) TREATMENT FOR ONCE-THROUGH BOILER OF SUPERCRITICAL 600 MW UNIT[J]. Thermal Power Generation, 2007, (11): 74-76. DOI： 10.19666/j.rlfd.2007.11.020.

摘要

国华太仓发电有限公司超临界600MW机组直流锅炉给水处理方式由加氨和联氨的还原性全挥发处理(AVT(R))转换为只加氨的氧化性全挥发处理(AVT(O))后

水汽系统铁含量得到有效控制

从而验证了高纯给水系统非还原性(氧化性)处理的有效性。当机组给水纯度高

但还不具备加氧处理条件时

可考虑采用该方案。

Abstract

The feed water treatment mode of once-through boiler for supercritical 600 MW unit in Guohua Taicang Power Generation Go Ltd has been converted from reductive all volatilized treatment-AVT(R) with adding ammonia and hydrazine to oxidizing all volatilized treatment -AVT(O) with only adding ammonia

the iron content in water-steam system being effectively controlled

thereby

having verified the effectiveness of non-reductive treatment (oxidizing treatment) in highly pure feed water system. In the event of highly pure feed water

but still hasn't treatment condition with adding oxygen

it can be considered to use the said scheme.

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