TEST STUDY ON BOTTOM SLAG FLUIDIZED SIZE CLASSIFICATION MECHANISM

JIA Yong-hui1; SUN Yun-kai2 1.Graduate School under Chinese Academy Of Science

doi:10.19666/j.rlfd.2008.01.010

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TEST STUDY ON BOTTOM SLAG FLUIDIZED SIZE CLASSIFICATION MECHANISM

Thermal Power Generation Issue 1, Pages: 40-44(2008)

更新时间：2025-09-28

- TEST STUDY ON BOTTOM SLAG FLUIDIZED SIZE CLASSIFICATION MECHANISM
- 作者机构：
  
  1. 中国科学院研究生院
  2. 中国科学院工程热物理研究所
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.2008.01.010
  CLC： TK223.28
- Published：2008
- 稿件说明：
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JIA Yong-hui1, SUN Yun-kai2 1.Graduate School under Chinese Academy Of Science. TEST STUDY ON BOTTOM SLAG FLUIDIZED SIZE CLASSIFICATION MECHANISM[J]. Thermal Power Generation, 2008, (1): 40-44.
DOI：

JIA Yong-hui1, SUN Yun-kai2 1.Graduate School under Chinese Academy Of Science. TEST STUDY ON BOTTOM SLAG FLUIDIZED SIZE CLASSIFICATION MECHANISM[J]. Thermal Power Generation, 2008, (1): 40-44. DOI： 10.19666/j.rlfd.2008.01.010.

摘要

对流化床冷渣器分选器中的粗细物料分选机理进行了冷态试验

结果表明:当分选器内的表观速度达到细颗粒的终端速度后

细颗粒被大量扬析出分选器

而粗颗粒的夹带高度有限

从而实现粗细颗粒的分选;分选器的表观速度和稀相区物料浓度同时影响粗颗粒的夹带高度;分选器采取上大下小的扩径结构

可以在不降低表观速度的条件下降低粗颗粒的夹带高度。

Abstract

Cold state test for classifying coarse and fine particles in the fluidized slag cooler under diffierent superficial velocities has been carried out.The results show that as follows:(1)When the superficial velocity is higher than the terminal velocity of fine particles

a great amount of the fine particles will be elutriated from the classfier

while the coarse particles will be fluidized at the bottom part

but the carrying hieght of course particles is limited

hence

the segregation of coarse and fine particles can be realized;(2)The carrying height of coarse particles can be influenced by both the superficial velocity and the concentretion of fine particles in the classifier;(3)enlarging the diameter in the dilute zone of the classifier can reduce the carrying height of the coarse particles.

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