STUDY ON DENSITY DISTRIBUTION OF PARTICLES IN DILUTION REGION OF FURNACE IN CFB BOILER

YANG Jian-hua1; WANG Zhi-wei3; LI Xian-zhong21.Department of Thermal Energy Engineering

doi:10.19666/j.rlfd.2008.11.007

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STUDY ON DENSITY DISTRIBUTION OF PARTICLES IN DILUTION REGION OF FURNACE IN CFB BOILER

更新时间：2025-09-28

- STUDY ON DENSITY DISTRIBUTION OF PARTICLES IN DILUTION REGION OF FURNACE IN CFB BOILER
- Thermal Power Generation Issue 11, Pages: 27-29(2008)
- 作者机构：
  
  1. 清华大学热能工程系
  2. 西安热工研究院有限公司
  3. 郑州电力高等专科学校动力工程系
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.2008.11.007
  CLC： TK229.66
- Published：2008
- 稿件说明：
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YANG Jian-hua1, WANG Zhi-wei3, LI Xian-zhong21.Department of Thermal Energy Engineering. STUDY ON DENSITY DISTRIBUTION OF PARTICLES IN DILUTION REGION OF FURNACE IN CFB BOILER[J]. Thermal power generation, 2008, (11): 27-29.
DOI：

YANG Jian-hua1, WANG Zhi-wei3, LI Xian-zhong21.Department of Thermal Energy Engineering. STUDY ON DENSITY DISTRIBUTION OF PARTICLES IN DILUTION REGION OF FURNACE IN CFB BOILER[J]. Thermal power generation, 2008, (11): 27-29. DOI： 10.19666/j.rlfd.2008.11.007.

摘要

为了了解大型循环流化床(CFB)锅炉炉内颗粒分布的基本规律

在一台465 t/h CFB锅炉和一台截面积0.3 m×0.3 m、高4 m的CFB锅炉冷态试验台上对炉膛稀相区颗粒浓度分布规律进行了试验研究。根据试验结果

提出了一种描述稀相区轴向颗粒浓度的简单方法

即已知稀相区轴向任意两点的压力或任意位置的颗粒浓度

可得到整个稀相区的轴向颗粒浓度分布。

Abstract

In order to grasp the basic law of particles' distribution in furnace of large-scale circulating fluidized bed(CFB) boilers

the density distribution of particles in dilution region of the furnace has been tested and studied on one 465t/h CFB boiler and a cold-state test stand of CFB boiler with a cross section of 0.3×0.3 m2 and a height of 4 m.based on results of test

a simple method describing the axial density of particles in dilution region has been put forward.Under condition of knowing the pressure on two arbitrary points in axial direction or the density distribution of particles at any location in the dilution region

the axial density destribution of particles in the entire dilution region can be obtained.

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