Experimental study on large proportion coal slurry co-firing in a 440 t/h CFB boiler

SHAO Wei1; YUAN Longji2; GUO Xiaoyong1; LI Qiang3 1.Shangdong Yankuang Ji-three Power Co.

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Experimental study on large proportion coal slurry co-firing in a 440 t/h CFB boiler

更新时间：2025-09-28

- Experimental study on large proportion coal slurry co-firing in a 440 t/h CFB boiler
- Thermal Power Generation Vol. 42, Issue 4, Pages: 89-93(2013)
- 作者机构：
  
  1. 山东兖矿济三电力有限公司
  2. 中国矿业大学电力工程学院
  3. 西安热工研究院有限公司
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK229.66
- Published：2013
- 稿件说明：
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SHAO Wei1, YUAN Longji2, GUO Xiaoyong1, et al. Experimental study on large proportion coal slurry co-firing in a 440 t/h CFB boiler[J]. Thermal power generation, 2013, 42(4): 89-93.
DOI：

SHAO Wei1, YUAN Longji2, GUO Xiaoyong1, et al. Experimental study on large proportion coal slurry co-firing in a 440 t/h CFB boiler[J]. Thermal power generation, 2013, 42(4): 89-93. DOI：

摘要

以济三电力有限公司440t/h循环流化床(CFB)锅炉为研究对象

就煤泥掺烧比例变化对锅炉燃烧特性的影响进行了试验研究。结果表明:随着煤泥掺烧比例的增大

锅炉密相区床温均有所下降

77%掺烧比例时床温降到860℃左右

有利于炉内脱硫

脱硫效率达到86%以上;随着煤泥掺烧比例的增加

锅炉效率由低到高

再由高到低变化;当煤泥掺烧比例在50%～60%范围内时对应锅炉效率峰值

超过这个比例后锅炉效率明显下降。

Abstract

Taking the 440 t/h circulating fluidized bed(CFB) boiler in Ji-three Power Co.

Ltd.as the research object

experimental study on effect of coal slime mixed ratio on combustion characteristic of boiler was performed.The results showed that

with an increase in coal slime mixed ratio

the bed temperature in dense-phase zone of the boiler decreased.The bed temperature dropped to about 860 ℃ when the mixed combustion proportion was 77%

which made the desulphurization efficiency increased to over 86%.As the proportion of coal slime rising

the boiler efficiency first increased

and then dropped.The boiler efficiency reached the maximum when the coal slime mixed proportion ranged from 50% to 60%.

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