基于钙链制氢的双流化床气固流动特性

doi:10.16085/j.issn.1000-6613.2017-0754

化工进展 ›› 2018, Vol. 37 ›› Issue (01): 39-43.DOI: 10.16085/j.issn.1000-6613.2017-0754

基于钙链制氢的双流化床气固流动特性

王东, 向文国, 陈时熠, 胡骏, 许长春

东南大学能源热转换及过程测控教育部重点实验室, 江苏南京 210096

收稿日期:2017-04-25 修回日期:2017-06-15 出版日期:2018-01-05 发布日期:2018-01-05
通讯作者: 向文国,教授,博士生导师。
作者简介:王东(1986-),男,硕士研究生,研究方向为煤气化制氢。
基金资助:
国家自然科学基金项目（51576042）。

Gas-solid flow characteristics of a dual fluidized bed reactor based on calcium-looping hydrogen process

WANG Dong, XIANG Wenguo, CHEN Shiyi, HU Jun, XU Changchun

Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education, Southeast University, Nanjing 210096, Jiangsu, China

Received:2017-04-25 Revised:2017-06-15 Online:2018-01-05 Published:2018-01-05

摘要/Abstract

摘要： 钙链制氢是一项新颖的制取富氢合成气技术，由此设计并搭建了一套双流化床反应器，该反应器由气化反应器、煅烧反应器、碳酸化反应器、旋风分离器、立管和流动密封阀组成。采用两种不同粒径的白刚玉，研究了该双流化床反应器的气固流动特性，研究了物料总量、颗粒粒径、L阀、气化反应器和煅烧反应器的风速对固体流率的影响，固体流率随着L阀和气化反应器风速的增加而增加。同时研究了L阀风量与固体流率之间的关联式，通过量纲分析和多元线性拟合，得到了它们之间的回归方程，研究结果表明：实验结果和拟合结果吻合得比较好，可以较好地反映L阀风量与固体流率之间的关系。

关键词: 流化床, 气固流动, 制氢

Abstract: Calcium looping hydrogen process (CLHP)is an innovative technology for hydrogen-rich syngas production, a dual fluidized-bed reactor was designed and built, which was mainly composed of a gasifier, a calciner and a carbonator, cyclones, diplegs and loop seals. Two types of different particles sizes of white corundum were employed. The gas-solid flow characteristics of the dual fluidized bed reactor was presented in this work. The effect of total solid inventory, particle sizes, the air flow velocities of L-valve, the gasifier, and the calciner on the solid flow rates were investigated. The solid flow rates increased with the increase of the flow velocities of L-valve, the gasifier. The correlation between the air flow rates of L-valve and solid flow rates had also been investigated. The regression equation was obtained through the dimensional analysis and multiple linear fitting. Results showed that the regression equation was in agreement well with the experimental results. It could better reflect the relationship between the air flow rate of L-valve and solid flow rate.

Key words: fluidized-bed, gas-solid flow, hydrogen production

中图分类号:

TK91

王东, 向文国, 陈时熠, 胡骏, 许长春. 基于钙链制氢的双流化床气固流动特性[J]. 化工进展, 2018, 37(01): 39-43.

WANG Dong, XIANG Wenguo, CHEN Shiyi, HU Jun, XU Changchun. Gas-solid flow characteristics of a dual fluidized bed reactor based on calcium-looping hydrogen process[J]. Chemical Industry and Engineering Progress, 2018, 37(01): 39-43.

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基于钙链制氢的双流化床气固流动特性

Gas-solid flow characteristics of a dual fluidized bed reactor based on calcium-looping hydrogen process

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