Application Research of Semi-coke Blending on a 600MW Anthracite "W" Flame Boiler

Guangwei CHEN; Jianping HUANG; Pengzhi XU

doi:10.12096/j.2096-4528.pgt.20029

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Application Research of Semi-coke Blending on a 600MW Anthracite "W" Flame Boiler

Power Generation and Enviromental Protection | 更新时间：2025-07-04

- Application Research of Semi-coke Blending on a 600MW Anthracite "W" Flame Boiler
- Power Generation Technology Vol. 42, Issue 2, Pages: 267-272(2021)
- 作者机构：
  
  华电电力科学研究院有限公司, 浙江省杭州市 310030
- 作者简介：
- 基金信息：
- DOI：10.12096/j.2096-4528.pgt.20029
  CLC： TK16
- Received：07 May 2020，
  
  Published：30 April 2021
- 稿件说明：
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Guangwei CHEN, Jianping HUANG, Pengzhi XU. Application Research of Semi-coke Blending on a 600MW Anthracite "W" Flame Boiler[J]. Power Generation Technology, 2021, 42(2): 267-272.
DOI：

Guangwei CHEN, Jianping HUANG, Pengzhi XU. Application Research of Semi-coke Blending on a 600MW Anthracite "W" Flame Boiler[J]. Power Generation Technology, 2021, 42(2): 267-272. DOI： 10.12096/j.2096-4528.pgt.20029.

摘要

通过对兰炭粉末和设计无烟煤详细的煤质特性分析和对比，系统分析了兰炭在某600MW无烟煤“W”火焰锅炉上掺烧的可行性。结果显示某电厂掺烧兰炭技术上是可行的，在保证带负荷能力的前提下掺配兰炭的上限是3台磨煤机专磨。考虑到兰炭极强的磨损特性，在掺烧前需要对磨煤机、煤粉分离器、煤粉管道、燃烧器等设备、部件进行防磨改造，并做好后续的运行维护。掺烧兰炭不会降低锅炉热效率，而且由于燃料综合含尘量、含硫量的大幅降低，带来了很大的环保效益和经济收益。当兰炭与原煤的价格差小于220元/t时，掺烧兰炭有收益，而且差值越小，收益就越大。

Abstract

Through the coal quality analysis and comparison between semi-coke powder and design anthracite

the systematic analysis was taken to research the feasibility of semi-coke blending on a 600MW anthracite "W" flame boiler. The results show that it is technically feasible to blend semi-coke in this power plant. The limit of blending semi-coke is up to 3 coal mills controlled-by the load capacity. Considering the extremely strong abrasion characteristics of semi-coke

anti-wear reform is necessary to carry out on related equipment and components such as coal mills

pulverized coal separators

pulverized coal pipelines

burners and other equipment and components before blending

the perform subsequent operation and maintenance are very important either. The thermal efficiency of the boiler will not be reduced by blending of semi-coke

and due to the substantial reduction of the comprehensive dust content and sulfur content of the fuel

the blending will bring great environmental benefits and economic benefits. When the difference between semi-coke and coal is less than 220 yuan/ton

the blending semi-coke has profit

and the smaller the difference

the greater the profit.

关键词

Keywords

references

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