PROBLEM AND ITS ANALYSIS WITH APPLICATION OF DIMETHYL KETOXIME DEOXIDIZING AGNET ON A 410 t/h HP BOILER

doi:10.19666/j.rlfd.2000.06.018

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PROBLEM AND ITS ANALYSIS WITH APPLICATION OF DIMETHYL KETOXIME DEOXIDIZING AGNET ON A 410 t/h HP BOILER

Thermal Power Generation Issue 6, Pages: 57-59(2000)

更新时间：2025-09-28

- PROBLEM AND ITS ANALYSIS WITH APPLICATION OF DIMETHYL KETOXIME DEOXIDIZING AGNET ON A 410 t/h HP BOILER
- 作者机构：
  
  大武口发电厂!(宁夏石嘴山753000),大武口发电厂,宁夏,石嘴山,753000
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.2000.06.018
  CLC： TK223.5
- Published：2000
- 稿件说明：
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PROBLEM AND ITS ANALYSIS WITH APPLICATION OF DIMETHYL KETOXIME DEOXIDIZING AGNET ON A 410 t/h HP BOILER[J]. Thermal Power Generation, 2000, (6): 57-59.
DOI：

PROBLEM AND ITS ANALYSIS WITH APPLICATION OF DIMETHYL KETOXIME DEOXIDIZING AGNET ON A 410 t/h HP BOILER[J]. Thermal Power Generation, 2000, (6): 57-59. DOI： 10.19666/j.rlfd.2000.06.018.

摘要

宁夏大武口发电厂将二甲基酮肟 (DMKO)作为除氧剂

用于四台高压锅炉的给水除氧。经两年多的工业试验表明

其虽有除氧效果

但可导致高压锅炉结垢速度加快

汽轮机叶片发黄

给水铜合格率下降等不良现象

未见比N2 H4 优异

现已停止使用。自停用半年后

1998年 1月～ 6月

汽水质量明显提高

尤其是铜铁合格率达 10 0 %

取样冲洗水不再发红

Abstract

Dawukou Power Plant used Dimethyl ketoxime as the deoxidizing agent（DMKO） on four of its HP 410 t/h boilers.It was indicated by two years industrial tests that though it had some deoxidizing effect

but negative result came up with its application

such as grow-up of scaliing

yellow color of turbine blade

degradation of feedwater in C u content

etc.It showed no advantages over N 2H 4 that were commonly used in the fossil-fired power plant.After stopping use of DMKO agent for half a year（from January to June

1998）

the steam and water qualities were improved significantly

especially the contents of Cu and Fe（100%）.No red color was found in the sampling water any more.

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