煤的低温干馏工艺及开发  

REVIEW AND DEVELOPMENT OF COAL LOW TEMPERATURE PYROLYTIC TECHNOLOGIES

作　　者：韩峰[1] 张衍国[1] 蒙爱红[1] 李清海[1] 马晓玲 

机构地区：[1]热科学与动力工程教育部重点实验室,二氧化碳资源化利用与减排技术北京市重点实验室,清华大学热能工程系,北京博士生100084

出　　处：《煤炭转化》2014年第3期90-96,共7页Coal Conversion

基　　金：国家重点基础研究发展计划(973)项目(2011CB201502);云南省科技创新强省计划项目(2010AD010);云南省重大科技专项项目(2012ZB006)

摘　　要：介绍了国内外几种典型的煤干馏工艺,根据热载体类型的不同,可以分为气体热载体法、固体热载体法和气-固热载体法,从工艺流程、原理特点、问题不足、工业化程度等方面对这几种典型工艺进行了详细分析.在此基础上提出了清华大学的流化床气-固热载体法干馏工艺,详细介绍了该工艺的工艺流程和技术特点.该工艺可以产生更多高价值的轻质焦油,同时产生清洁的产品煤气和半焦,具有重要的推广价值.This paper gives a comprehensive presentation and comparation of the current technologies of coal low-temperature pyrolysis available at home and abroad.They are categorized into gas heat carrier technology,solid heat carrier technology and gas-solid heat carrier technology according to the different types of heat carriers.This paper analyzes the technological processes,advantages and disadvantages and industrialization degrees of the current technologies.On that basis,we put forward the technology of coal pyrolysis with gas-solid heat carrier in fluidized bed of Tsinghua University,which is given a detailed introduction of the technological process and technical feature in this paper.The technology is capable of producing high added-value light liquid products and co-producing clean gas and solid products.It has a good development prospect in future.

关 键 词：低温干馏 工艺流程 热载体 流化床 

分 类 号：TQ523.2[化学工程—煤化学工程]