Influencing factors of fluidity of fly ash from waste incineration

HUANG Shiqing; ZHANG Houjian; ZHAO Fuyi

English

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Influencing factors of fluidity of fly ash from waste incineration

Thermal Power Generation Vol. 42, Issue 10, Pages: 83-85(2013)

更新时间：2025-09-28

- Influencing factors of fluidity of fly ash from waste incineration
- 作者机构：
  
  厦门市环境能源投资发展有限公司
- 作者简介：
- 基金信息：
- DOI：
  CLC： X701
- Published：2013
- 稿件说明：
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HUANG Shiqing, ZHANG Houjian, ZHAO Fuyi. Influencing factors of fluidity of fly ash from waste incineration[J]. Thermal Power Generation, 2013, 42(10): 83-85.
DOI：

HUANG Shiqing, ZHANG Houjian, ZHAO Fuyi. Influencing factors of fluidity of fly ash from waste incineration[J]. Thermal Power Generation, 2013, 42(10): 83-85. DOI：

摘要

为解决垃圾焚烧飞灰在稳定化处理过程中的堵灰问题

通过采集干法烟气处理系统产生的飞灰及其与锅炉底灰的混合样

分析飞灰的粒径、形态及含水率对流动性的影响以及温度与含水率的关系。结果表明:在干法烟气净化系统中

飞灰的流动性受其细度、形态及含水率的影响

混合锅炉底灰有利于改善飞灰的流动性;飞灰吸水性能强

在25℃、相对湿度为60%的条件下

其平衡含水率达4.37%;为防止飞灰吸潮而导致流动性降低

建议贮存时应控制其温度在85℃以上

并尽快进行卸灰处理。

Abstract

Aimed at solving the clogging problems occurred during the fly ash stabilization treatment process

the fly ash and bottom ash was collected at different sampling points in dry flue gas treatment system

and then the effect of fly ash particle size

shape and moisture content on its fluidity was investigated.Moreover

the relationship between temperature and the moisture content was also analyzed.The results showed that

in the dry flue gas cleaning system

the fluidity of fly ash was affected by its fineness

shape and moisture content.Combining with the bottom ash collection would help to improve the fluidity of the fly ash.The fly ash had strong water absorption ability

at 25℃ and relative humidity of 60%

the balance moisture content in fly ash could reach 4.37%.In order to prevent fly ash from absorbing the moisture which will result in decrease in fluidity

its storage temperature should be controlled above 85℃

and the ash should be dumped as soon as possible.

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