导向喷动流化床生物质快速热解技术  

The Technology of Biomass Fast Pyrolysis in the Spout-fluidized Bed with a Draft Tube

作　　者：南占东[1] 黄凤洪[2] 杨湄[2] 刘昌盛[2] 乔晓晖[1] 

机构地区：[1]华中农业大学食品科技学院,湖北武汉430070 [2]中国农业科学院油料作物研究所,湖北武汉430062

出　　处：《生物质化学工程》2007年第5期62-66,共5页Biomass Chemical Engineering

基　　金：科技部科研院所技术开发研究专项资金项目(无编号);武汉市科技攻关项目(20062002063)

摘　　要：综述了生物质在导向喷动流化床反应器中快速热解的理论基础与过程特征,分别从反应机理、流体动力学特性与传热传质、二次裂解、气相和固相停留时间、操作相图、热解产物的收集与处理等方面进行阐述。比较了喷动流化床与其它流化床在快速热解上的异同,概述了导向喷动流化床生物质热解特性,并提出了导向喷动流化床生物质快速热解技术的发展方向。The technology of biomass fast pyrolysis in the spout-fluidized bed with a draft tube is summarized. The theoretical principles and process characteristics of the technology are reviewed respectively on reaction mechanism, hydrokinetics, heat and mass transfer, solid and vapour residence time, flow regime map, pyrolysis products collection and disposal. Comparison of the spout-fluidized bed with a draft tube and other fluidized beds are conducted. Finally, development directions of the technology of biomass fast pyrolysis in the spout-fluidized bed with a draft tube are put forward.

关 键 词：导向喷动流化床 生物质 快速热解 

分 类 号：TQ351.2[化学工程]