Experiments about co-firing shale with Zhundong coal in a 100 MW unit boiler

ZHAO Bing; WANG Jiarui; WANG Penghui; CHEN Fanmin; QIN Ling; LI Xiaojiang; SONG Wenqi

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Experiments about co-firing shale with Zhundong coal in a 100 MW unit boiler

Thermal Power Generation Vol. 46, Issue 7, Pages: 103-109(2017)

更新时间：2025-09-28

- Experiments about co-firing shale with Zhundong coal in a 100 MW unit boiler
- 作者机构：
  
  1. 华电电力科学研究院
  2. 新联煤化工工贸有限公司
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM621.2
- Published：2017
- 稿件说明：
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ZHAO Bing, WANG Jiarui, WANG Penghui, et al. Experiments about co-firing shale with Zhundong coal in a 100 MW unit boiler[J]. Thermal Power Generation, 2017, 46(7): 103-109.
DOI：

ZHAO Bing, WANG Jiarui, WANG Penghui, et al. Experiments about co-firing shale with Zhundong coal in a 100 MW unit boiler[J]. Thermal Power Generation, 2017, 46(7): 103-109. DOI：

摘要

我国淮东煤和油页岩储量丰富

但在燃用淮东煤和开发油页岩时均遇到阻碍

二者互补掺烧有望取得良好效果。对此

在100 MW机组上进行了油页岩掺烧准东煤的试验研究

从燃料特性、煤粉细度及均匀性、烟气温度变化、炉内沾污结渣情况、热损失与热效率等方面对系统掺烧后锅炉的安全性和稳定性进行了评估。结果表明:掺烧油页岩并大幅提高准东煤燃用比例后

煤粉颗粒细度稍有增大

均匀性变差;排烟温度呈波动性降低趋势

炉内沾污和结渣情况不明显

飞灰可燃物质量分数大幅降低

锅炉热效率最大提高约1%。

Abstract

Experimental investigations on co-combustion of shale with Zhundong coal were carried out in a 100 MW unit boiler. From the aspects of fuel characteristics

coal fineness and uniformity

flue gas temperature change

slagging and contamination in furnace

heat loss

boiler thermal efficiency and fuel cost

the operation security and stability of the system was evaluated. The results show that

after blending the shale and greatly increasing the proportion of Zhundong coal

the fuel particle size increased a little and the eveness got worse

the exhaust temperature showed a trend of declining volatility

the slagging and contamination in furnace is not obvious

the combustible content in fly ash sharply reduced

and the boiler thermal efficiency was enhanced by about 1%.

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STUDY ON PROPERTIES OF ZHUNDONG COAL IN XINJIANG REGION AND TYPE-SELECTION FOR BOILERS BURNING THIS COAL SORT

Control of coal ash composition during co-combustion of Zhundong coal boiler

CAUSES LEADING TO SLAGGING IN FURNACE OF TANGENTIAL FIRING PULVERIZED COAL BOILER AND PREVENTIVE MEASURES THEREOF

STUDY ON SCHEME OF PREVENTING A 200T/H COALFIRING BOILER FROM SLAGGING PROBLEMS

ANALYSIS OF ENERGY BALANCE FOR BOILERS

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