几种生物质型煤成焦率的对比研究  

Comparative study on coking rate of several biomass briquettes

作　　者：陈娟[1,2] 刘喆 闫秦生 马向荣 郝华睿[1,2] 薛成虎 CHEN Juan;LIU Zhe;YAN Qinsheng;MA Xiangrong;HAO Huarui;XUE Chenghu(School of Chemistry and Chemical Engineering,Yulin University,Yulin 719000,China;Shaanxi Key Laboratory of Low Metamorphic Coal Clean Utilization,Yulin 719000,China;National Coal and Salt Chemical Product Quality Supervision and Inspection Center(Yulin),Yulin 719000,China)

机构地区：[1]榆林学院化学与化工学院,陕西榆林719000 [2]陕西省低变质煤洁净利用重点实验室,陕西榆林719000 [3]国家煤及盐化工产品质量监督检验中心(榆林),陕西榆林719000

出　　处：《能源化工》2019年第5期6-10,共5页Energy Chemical Industry

基　　金：国家自然科学基金项目(51762042);陕西省教育厅重点实验室科研计划项目(18JS121,19JS073);陕西省科技资源开放共享平台项目(2019PT-18);陕西省科技厅项目(2018GY-086);国家煤及盐化工产品质量监督检验中心(榆林)开放基金(2019YLMYZX-003);榆林学院校级教学改革研究项目(JG1963);榆林市科技计划项目(2016CXY-01)

摘　　要：以神木市石窑店煤矿的煤为原料,不同质量分数NaOH改性的葵花籽皮与花生壳为黏结剂,通过冷压成型制成生物质型煤,炼焦后制得型焦。考察了粉煤粒度、NaOH质量分数对型煤成焦率的影响。试验结果表明:神木煤粒度为0.074~0.1 mm时,型煤的成焦率较低,粉煤细度增大,煤堆密度降低,成焦率下降。神木煤粒度小于0.074 mm和1~3 mm时,型煤成焦率较高,粉煤中矿物质偏析累积占主导。2.0%(w)NaOH改性葵花籽皮型煤与2.5%(w)NaOH改性花生壳型煤平均成焦率较高,分别为72.62%和72.55%。Using coal from Shiyaodian coal mine of Shenmu city as raw material,different mass fraction of NaOH modified sunflower seed skin and peanut shell as binder,the biomass briquette is prepared by cold pressing,and then the formed coke is produced after cooking.The influence of pulverized coal particle size and NaOH mass fraction on briquette coking rate is studied.The results show that when the particle size of Shenmu coal is 0.074-0.1 mm,the briquette has the low coking rate,the fineness of pulverized coal increases,the bulk density of coal decreases,and the coking rate decreases.When the particle size of Shenmu coal is less than 0.074 mm,the coking rate of briquette increases,and the mineral segregation and accumulation in pulverized coal are dominant.The average coking rate of 2.0%(w)NaOH modified sunflower seed skin briquette and 2.5%(w)NaOH modified peanut shell briquette is higher,which is 72.62%and 72.55%respectively.

关 键 词：型煤 型焦 成焦率 葵花籽皮 花生壳 氢氧化钠 

分 类 号：TQ522.1[化学工程—煤化学工程]