文献类型：期刊文献

中文题名：煤矸石与生物质及其复合颗粒的恒温热解特性

英文题名：Research on thermostatic pyrolysis characteristics of coal gangue,biomass and their composite particles

作者：沈海涛[1,2];葛翔[1,2];苏越[1,2];彭江红[3];赵基钢[1,2]

机构：[1]华东理工大学绿色能源化学工程国际联合研究中心,上海200237;[2]华东理工大学化工学院,上海200237;[3]张家港百赫科技有限公司,江苏张家港215699

年份：2025

卷号：54

期号：8

起止页码：1933

中文期刊名：应用化工

外文期刊名：Applied Chemical Industry

收录：;北大核心:【北大核心2023】；

基金：国家自然科学基金(22378129)。

语种：中文

中文关键词：恒温热解;煤矸石;棉秆;木屑;复合颗粒

外文关键词：isothermal pyrolysis;coal gangue;cotton stalk;sawdust;composite particles

摘要：处理大量煤矸石的堆积是一个非常棘手的难题,目前煤矸石用于发电,由于灰分高,热值低,导致发电效率低。向煤矸石中引入氧,氢含量高,热值高生物质可以降低煤矸石的灰分,提高其热值。研究了棉秆、碎木屑、煤矸石以及煤矸石与生物质复合颗粒的恒温热解特性,结果表明:棉秆与碎木屑两种生物质的恒温热解特性不尽相同,前者较后者热解相对容易,而后者的热解失重更高。对于煤矸石与生物质的复合颗粒而言,煤矸石虽然本身热解率很低,但促进了复合料中棉秆在低温下的热解以及木屑在中温下的热解,进一步说明煤矸石与生物质在热解时可能存在一定的相互作用,这种相互作用因生物质的不同而表现出明显的差别。
It is a very difficult problem to deal with the accumulation of a large amount of coal gangue.At present,coal gangue is used for power generation,which leads to low efficiency due to high ash content and low calorific value.Introducing biomass with high oxygen and hydrogen content and high calorific value into coal gangue can reduce the ash content of coal gangue and increase its calorific value.In the present investigation,pyrolysis characteristics of cotton stalk,wood chips,coal gangue,and composite particles of coal gangue and biomass are studied at several constant temperatures.The results show that the thermostatic pyrolysis characteristics of the cotton stalk and wood chips are appreciably different.The pyrolysis of the former is relatively easier than that of the latter,while the pyrolysis weight loss of the latter is higher than the former.For the composite particles of coal gangue and biomass,although the pyrolysis rate of coal gangue itself is very low,it promotes the pyrolysis of cotton stalk in the composite at low temperatures and wood chips at medium temperatures,which further indicates that there may exist certain interaction between coal gangue and biomass during pyrolysis.This interaction shows obvious differences due to different biomass.