Experimental research on particle circulating rate in a dual circulating fluidized bed with V-type distributor

CHEN Hongwei; ZHANG Zhicai; YU Chenhong; WU Jing; HE Junpeng

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Experimental research on particle circulating rate in a dual circulating fluidized bed with V-type distributor

更新时间：2025-09-28

- Experimental research on particle circulating rate in a dual circulating fluidized bed with V-type distributor
- Thermal Power Generation Vol. 43, Issue 3, Pages: 71-75(2014)
- 作者机构：
  
  1. 华北电力大学能源动力与机械工程学院
  2. 天津陈塘热电有限公司
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK16
- Published：2014
- 稿件说明：
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CHEN Hongwei, ZHANG Zhicai, YU Chenhong, et al. Experimental research on particle circulating rate in a dual circulating fluidized bed with V-type distributor[J]. Thermal power generation, 2014, 43(3): 71-75.
DOI：

CHEN Hongwei, ZHANG Zhicai, YU Chenhong, et al. Experimental research on particle circulating rate in a dual circulating fluidized bed with V-type distributor[J]. Thermal power generation, 2014, 43(3): 71-75. DOI：

摘要

合理地控制颗粒循环流率是V型布风板双循环流化床生物质气化装置稳定运行的关键。对提升管风速、气化室风速、物料粒径以及物料重量等影响流化床运行的控制参数进行了实验研究。结果表明:颗粒循环流率随着提升管风速、气化室风速增加而增加

当达到一定值后

其增长趋势逐渐平缓;颗粒循环流率随着物料粒径的增大而明显减小

随着物料重量的增加基本成线性增加。

Abstract

Reasonable control of solid circulation rate is the key to keep stable operation of the dual circulating fluidized bed(DCFB)biomass gasifier with V-type air distributor.The control parameters affecting the fluidized bed running were experimentally studied

including the riser's wind speed

the gasification chamber's wind speed

the particle size and material weight.The results show that:the particle circulation flow rate increases with the wind speed in the riser or gasification chamber

grows steadily when increases to a certain value

reduces significantly with an increase in particle size and increases linearly with the material weight.

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