Integrated design of anti-slagging and fouling for a 660 MW unit burning pure high alkali coal

ZHAO Yonggang; WANG Zhichao; ZHANG Xilai; BAI Yang; YAO Wei

doi:10.19666/j.rlfd.201707073

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Integrated design of anti-slagging and fouling for a 660 MW unit burning pure high alkali coal

更新时间：2025-09-28

- Integrated design of anti-slagging and fouling for a 660 MW unit burning pure high alkali coal
- Thermal Power Generation Vol. 47, Issue 3, Pages: 104-108(2018)
- 作者机构：
  
  1. 神华国神集团技术研究院
  2. 西安热工研究院有限公司
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.201707073
  CLC： TK229
- Published Online：07 March 2018，
  
  Published：2018
- 稿件说明：
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ZHAO Yonggang, WANG Zhichao, ZHANG Xilai, et al. Integrated design of anti-slagging and fouling for a 660 MW unit burning pure high alkali coal[J]. Thermal power generation, 2018, 47(3): 104-108.
DOI：

ZHAO Yonggang, WANG Zhichao, ZHANG Xilai, et al. Integrated design of anti-slagging and fouling for a 660 MW unit burning pure high alkali coal[J]. Thermal power generation, 2018, 47(3): 104-108. DOI： 10.19666/j.rlfd.201707073.

摘要

高碱煤属于极易着火、极易燃尽的优良动力煤

但具有严重结渣和沾污积灰特性

现役机组只能以一定的比例掺烧高碱煤

对高碱煤的适应能力有限。针对100%纯燃高碱煤的目标

提出了新建660 MW机组一体化设计思路

给出了关键的炉膛热负荷参数取值和合理的受热面布置方式、燃烧器设计、除灰渣设备、空气预热器型式等选取建议

以期为全燃高碱煤机组锅炉的整体设计提供参考。

Abstract

The high alkali coal is a kind of fine power coal which is easy to ignite and easy to burn out

while it has serious slagging and fouling characteristics. The on-service boilers are suggested only to be blended with high alkali coal in a certain proportion

so the boilers' adaptability to the high alkali coal is limit. Aiming at burning pure high alkali coal

the integrated design idea for newly built 660 MW units was proposed

and the values setting of the boiler key load parameters

the reasonable heating surface arrangement

the burner design

the selection of deslagging equipment and air pre-heater were given

to provide a reference for design of the boilers burning high alkali coal.

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