淖毛湖低阶烟煤制热解用型煤的技术研究  

Technical research on briquette for pyrolysis from low-rank bituminous coal in Naomao Lake

作　　者：王文洲 周雷 吴雪岩 吕燕 郭继玺[1] WANG Wen-zhou;ZHOU Lei;WU Xue-yan;LV Yan;GUO Ji-xi(State Key Laboratory of Chemistry and Utilization of Carbon Based Energy Resources,College of Chemistry,Xinjiang University,Urumqi,Xinjiang 830017,China)

机构地区：[1]新疆大学化学学院,省部共建碳基能源资源化学与利用国家重点实验室,新疆乌鲁木齐830017

出　　处：《煤炭加工与综合利用》2024年第11期114-120,共7页Coal Processing & Comprehensive Utilization

基　　金：中央引导地方科技发展专项“粉煤高值化利用平台建设及成型关键技术、热解适应性研究”(ZYYD2023B12);企业横向合作项目“低阶粉煤高效利用技术开发”(202313140006);新疆大学2023年国家级大学生创新训练计划项目“淖毛湖粉煤成型关键技术开发及热解适应性研究”(202310755038)。

摘　　要：以新疆淖毛湖区低阶粉煤为原料,以预糊化淀粉和热固性酚醛树脂作为复合黏结剂,通过冷压成型技术制备型煤,研究复合黏结剂组分与添加量、粉煤粒度分布、成型压力、成型水分等条件对型煤机械强度的影响规律;开发了低阶粉煤高效成型新工艺;在最优化成型工艺条件下型煤落下强度为95.7%、热稳定性为93.2%、冷压强度为11.2 kN/个、热强度为1.3 kN/个,均已满足相关标准要求。This study utilizes low-rank coal from the Naomuhua district of Xinjiang as the primary material,combined with pregelatinized starch and thermosetting phenolic resin as a composite binder,to produce briquettes through cold pressing technology.It examines how factors such as the binder composition and quantity,coal particle size distribution,pressure,and moisture content affect the mechanical strength of the briquettes,aiming to develop an efficient method for low-rank coal formation.Under optimal conditions,the briquettes achieved a drop strength of 95.7%,thermal stability of 93.2%,cold pressing strength of 11.2 kN per piece,and thermal strength of 1.3 kN per piece,all meeting the relevant standards.

关 键 词：低阶粉煤 粉煤成型 复合粘结剂 型煤强度 热解 

分 类 号：TQ536[化学工程—煤化学工程]