Technical research on in-deep mixedly burning inferior coal in a 600 MW unit boiler

LI Haoyu; ZHU Xianran; LIU Yanpeng; JIAO Kaiming

doi:10.19666/j.rlfd.201710097

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Technical research on in-deep mixedly burning inferior coal in a 600 MW unit boiler

Thermal Power Generation Vol. 47, Issue 7, Pages: 99-104(2018)

更新时间：2025-09-28

- Technical research on in-deep mixedly burning inferior coal in a 600 MW unit boiler
- 作者机构：
  
  1. 中国大唐集团科学技术研究院有限公司华北分公司
  2. 内蒙古大唐国际托克托发电有限责任公司
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.201710097
  CLC： TK227.1
- Published Online：04 July 2018，
  
  Published：2018
- 稿件说明：
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LI Haoyu, ZHU Xianran, LIU Yanpeng, et al. Technical research on in-deep mixedly burning inferior coal in a 600 MW unit boiler[J]. Thermal Power Generation, 2018, 47(7): 99-104.
DOI：

LI Haoyu, ZHU Xianran, LIU Yanpeng, et al. Technical research on in-deep mixedly burning inferior coal in a 600 MW unit boiler[J]. Thermal Power Generation, 2018, 47(7): 99-104. DOI： 10.19666/j.rlfd.201710097.

摘要

根据锅炉实际情况以及安全和环保要求

应用数学模型

提出了锅炉深度配煤掺烧方案确定的方法

并以某600 MW机组锅炉为例

进行了该锅炉满负荷工况下劣质煤深度掺烧方案的制定以及现场掺烧验证试验。结果表明:本文所提出的深度配煤掺烧方案

可以保证锅炉在安全和环保的前提下

实现掺烧收益的最大化;试验机组锅炉在满负荷下

劣质煤最大掺烧比例为30%

虽然随着劣质煤掺烧比例的增加

锅炉效率下降

厂用电率增大

然而在综合考虑燃煤成本的情况下

计算得出在最大掺烧比例情况下

可节约成本0.008元/(k W·h)。

Abstract

According to the actual situation and safety and environmental requirement of the boiler

a method for determining the scheme of in-deep mixedly burning inferior coal is proposed through applying mathematical model. Taking a 600 MW unit boiler as an example

the scheme of in-deep mixedly burning inferior coal at full load is made and the field verification experiment of mixedly burning is carried out. The results show that

the proposed scheme in this study can maximize the profit of the mixedly burning inferior coal with the precondition of safety and environmental operation of boiler. The maximum mixing ratio of inferior coal is 30% in the test unit at full load. Furthermore

with the increase of the mixing ratio of inferior coal

the efficiency of boiler decreases and the auxiliary power consumption rate increases. However

considering the coal cost

it can be calculated that the cost can be reduced by 0.008 yuan/(k W·h) at the maximum mixing ratio of inferior coal.

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