DEVELOPMENT AND APPLICATION OF MICRO-OIL IGNITION TECHNOLOGY FOR SUPERCRITICAL 600 MW UNIT

ZENG Quanzhi; HE Hui; WANG Yong Huadian Changsha Power Generation Co Ltd

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DEVELOPMENT AND APPLICATION OF MICRO-OIL IGNITION TECHNOLOGY FOR SUPERCRITICAL 600 MW UNIT

更新时间：2025-09-28

- DEVELOPMENT AND APPLICATION OF MICRO-OIL IGNITION TECHNOLOGY FOR SUPERCRITICAL 600 MW UNIT
- Thermal Power Generation Vol. 40, Issue 9, Pages: 59-61(2011)
- 作者机构：
  
  华电长沙发电有限公司
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK227.7
- Published：2011
- 稿件说明：
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ZENG Quanzhi, HE Hui, WANG Yong Huadian Changsha Power Generation Co Ltd. DEVELOPMENT AND APPLICATION OF MICRO-OIL IGNITION TECHNOLOGY FOR SUPERCRITICAL 600 MW UNIT[J]. Thermal power generation, 2011, 40(9): 59-61.
DOI：

ZENG Quanzhi, HE Hui, WANG Yong Huadian Changsha Power Generation Co Ltd. DEVELOPMENT AND APPLICATION OF MICRO-OIL IGNITION TECHNOLOGY FOR SUPERCRITICAL 600 MW UNIT[J]. Thermal power generation, 2011, 40(9): 59-61. DOI：

摘要

华电长沙发电有限公司600 MW机组对冲燃烧锅炉后墙的最下层(A层)燃烧器改造为微油点火燃烧器

介绍了微油点火燃烧器的基本构造与原理。在煤质多变并整体趋劣的状况下

采取分仓上煤

少量优质煤进后墙最下层对应的微油点火燃烧器(A煤仓)和其对面最下层燃烧器(F煤仓)作为点火煤

同时预投暖风系统创造起动磨煤机的条件

以及提高给水温度

实现了锅炉冷态起动从传统使用大油枪耗油100 t/次以上降至4t/次以下

节油效果显著。

Abstract

The burners of lowermost layer(A layer) on the backwall of opposed-firing boilers for 600 MW units in Huadian Changsha Power Generation Co Ltd have been retrofitted into micro-oil ignition burners

the basic structure and working principle of said micro-oil ignition burners being presented.Under condition of frequent coal quality change

and trends generally to lower quality

the coal-feed from separate bunker has been adopted

a small amount of high quality coal being sent into the micro-oil ignition burners(from A bunker) located on the lowermost layer of backwall

and sent into burners of the lowermost layer on the opposite side(from F bunker)

being used as the ignition coal

at the same time

the steam air heating system has to be put into operation in advance

to creat condition for starting the coal pulverizer up

enhancing the temperature of feed-water

realizing cold-state start-up using large oil gun to be decreased from more than 100 t/each time to less than 4 t/each time

obtaining remarkable oil-saving effect.

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