Experimental study on blended coal combustion of direct pulverizing system in W-shaped flame boiler

ZENG Quan-zhi1; LEI Lin2

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Experimental study on blended coal combustion of direct pulverizing system in W-shaped flame boiler

更新时间：2025-11-18

- Experimental study on blended coal combustion of direct pulverizing system in W-shaped flame boiler
- Vol. 30, Issue 5, Pages: 7-9(2010)
- 作者机构：
  
  1. 湖南华电长沙发电有限公司
  2. 湖南省电力公司试验研究院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM621.2
- Published：2010
- 稿件说明：
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[1]曾全芝,雷霖.直吹式制粉系统W火焰锅炉混煤掺烧试验研究[J].湖南电力,2010,30(05):7-9.

ZENG Quan-zhi1, LEI Lin2. Experimental study on blended coal combustion of direct pulverizing system in W-shaped flame boiler[J]. 2010, 30(5): 7-9.
[1]曾全芝,雷霖.直吹式制粉系统W火焰锅炉混煤掺烧试验研究[J].湖南电力,2010,30(05):7-9. DOI：

ZENG Quan-zhi1, LEI Lin2. Experimental study on blended coal combustion of direct pulverizing system in W-shaped flame boiler[J]. 2010, 30(5): 7-9. DOI：

摘要

在直吹式制粉系统W火焰锅炉上进行对比试验。试验表明:不同煤种采用"磨内掺混、炉内混烧"的方式难以掺混均匀

难燃尽煤种细度难控制

燃烧稳定性、经济性差;"分磨制粉、炉内掺烧"的方式煤粉细度可控

不同煤种燃烧器可均匀投运

并可采取不同的配风和燃烧控制方式

炉膛温度均匀

燃烧稳定

锅炉热效率比"磨内掺混、炉内混烧"提高1.65%。

Abstract

Contrast test was carried on in two modes for direct pulverizing system of W shaped flame boiler.Experiment results showed non-homogeneous mixture

intractable control on difficult burn-off coal fineness

poor stabilization and economy in "mixed in coal mill

combusted in furnace" mode.However

it showed controllable coal fineness

uniform operation of combustors

various air distribution in "milled separately

combusted on furnace" mode.Besides

combustion control technology can be adoptable with homogeneous furnace temperature

stable combustion

and boiler efficiency was increased 1.65% than previous mode.

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