小粒径低阶煤热解油尘分离问题分析  被引量:20

Analysis on separation of tar and dust during pyrolysis of small-size low rank coal

在线阅读下载全文

作  者:白效言 裴贤丰 张飏 周琦 王岩 王之正 

机构地区:[1]煤炭科学技术研究院有限公司煤化工分院,北京100013 [2]煤炭资源高效开采与洁净利用国家重点实验室,北京100013 [3]国家能源煤炭高效利用与节能减排技术装备重点实验室,北京100013

出  处:《煤质技术》2015年第6期1-4,共4页Coal Quality Technology

基  金:中国煤炭科工集团有限公司科技创新基金资助项目(2013ZD007);煤炭科学技术研究院有限公司技术创新基金资助项目(2012CX01);国家国际科技合作专项项目(2015DFA 60320);国家自然科学基金一神华集团有限公司煤炭联合基金资助项目(U1361122)

摘  要:分析了小粒径低阶煤热解过程中高温热解气含尘量大的原因及含尘热解气的体系特性,对比了各除尘技术在低阶煤热解领域的应用情况,认为从热解源头控制并衔接耦合的除尘工艺可有效解决热解工艺油尘分离的问题,并建议加强含尘热解气体系高温物性、低阶煤定向热解、焦油轻质化、扬尘除尘机理等基础研究以支撑相关技术的研发。抑尘、降尘、除尘结合的多段减尘工艺已显示良好的应用前景。The reason of high dust content of high temperature pyrolysis gas in small-size low rank coal pyrolysis process and the system characteristics of pyrolysis gas which containing dust were analyzed. Application circumstances of every dust removal technology in low rank coal pyrolysis field were compared, it was indicated that controlling the pyrolysis source and matching coupled dust removal technology could solve the problem of tar and dust separation for pyrolysis process. It was also suggested that enhancing some basic studies like high temperature characteristics of pyrolysis gas system containing dust, oriented pyrolysis of low rank coal, light aromatics of coal tar, raising dust and dust removal mechanisms were necessary, so that some relative technological research could be supported. Multistage dust reduction process including dust-suppression, dust-falling and dust- removal has showed favorable application prospect.

关 键 词:低阶煤 热解 油尘分离 除尘技术 小粒径 多段减尘 

分 类 号:TQ534[化学工程—煤化学工程]

 

参考文献:

正在载入数据...

 

二级参考文献:

正在载入数据...

 

耦合文献:

正在载入数据...

 

引证文献:

正在载入数据...

 

二级引证文献:

正在载入数据...

 

同被引文献:

正在载入数据...

 

相关期刊文献:

正在载入数据...

相关的主题
相关的作者对象
相关的机构对象