Experimental research on blended coal combustion in a 700MW unit boiler

MAO Xiaofei; WU Ying; ZENG Guofang; CAI Aimin; LI Haishan; FU Haosheng

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Experimental research on blended coal combustion in a 700MW unit boiler

Thermal Power Generation Vol. 43, Issue 5, Pages: 69-74(2014)

更新时间：2025-09-28

- Experimental research on blended coal combustion in a 700MW unit boiler
- 作者机构：
  
  1. 江西省电力科学研究院
  2. 江西中电投新昌发电有限公司
  3. 江西分宜发电有限责任公司
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK227.1
- Published：2014
- 稿件说明：
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MAO Xiaofei, WU Ying, ZENG Guofang, et al. Experimental research on blended coal combustion in a 700MW unit boiler[J]. Thermal Power Generation, 2014, 43(5): 69-74.
DOI：

MAO Xiaofei, WU Ying, ZENG Guofang, et al. Experimental research on blended coal combustion in a 700MW unit boiler[J]. Thermal Power Generation, 2014, 43(5): 69-74. DOI：

摘要

对江西新昌电厂的5种常用煤进行了分类

确定了3种参与混煤掺烧试验的煤种

并通过热重试验分析不同比例混煤的燃烧特性。试验共选取了4个负荷点

制定了7种混煤方案、14种上煤方式

并在每个混煤方案下又进行了变氧量试验

以确定最佳氧量、获得不同负荷下的最佳混煤掺烧方案。通过测定各工况下的锅炉热效率

给出了最佳上煤方式。

Abstract

Against five commonly used coals in Jiangxi Xinchang Power Plant

three was selected to be applied in blended coal combustion.By thermogravimetric analysis

combustion characteristics of the mixture of the above three coal were analyzed.During the field blended coal combustion experiment

four load points were selected

seven coal mixtures were prepared and fourteen ways of conveying the coal to furnace were developed.Moreover

under each coal blending scheme

the optimal oxygen content was obtained by oxygen varying test

to ascertain the optimal coal blending scheme.At last

by measuring the boiler efficiency in different operating conditions

the recommended coal conveying scheme was obtained.

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