新疆邢美选煤厂产品结构及工艺选择分析  

Analysis on product structure and process selection ofXinjiang Xingmei Coal Preparation Plant

作　　者：杨阳[1] YANG Yang(Tangshan Branch of Tiandi Science&Technology Co.,Ltd,Tangshan,Hebei 063000,China)

机构地区：[1]天地科技股份有限公司唐山分公司,河北唐山063000

出　　处：《煤炭加工与综合利用》2023年第12期22-26,29,共6页Coal Processing & Comprehensive Utilization

摘　　要：新疆邢美选煤厂为塔什店矿区一号矿井配套选煤厂,经过对产品结构和精煤市场调研,确定选煤厂可以生产常规的气焦煤产品,还可以生产做为多晶硅还原剂的硅精煤产品。硅精煤产品附加值高,对于灰分和铁含量要求严格,极难分选。为了保证选煤厂经济效益最大化,并适应原煤煤质波动,结合多种原煤煤质资料,确定了最佳产品方案,对最佳产品方案进行工艺选择分析,并分析了介耗对产品铁含量影响,确定了本选煤厂最佳产品结构为硅精煤+气焦煤,最佳生产工艺为三产品重介质旋流器主洗+三产品重介质旋流器再洗。Xingmei Coal Preparation Plant in Xinjiang is a supporting coal preparation plant for No.1 Mine in Tashidian Mining Area.After conducting research on the product structure and clean coal market,it has been determined that this coal preparation plant can produce conventional gas coking coal products and also silicon clean coal products as polycrystalline silicon reducing agents.Silicon clean coal products have high added value and strict requirements for ash and iron content,making it extremely difficult to separate.In order to maximize the economic benefits of the coal preparation plant and adapt to fluctuations in raw coal quality,the optimal product plan was determined based on various raw coal quality data.Process selection analysis was conducted on the optimal product plan,and the impact of medium consumption on the iron content of the product was analyzed.The optimal product structure of this coal preparation plant was determined to be silicon clean coal+gas coke coal,and the optimal production process was the main washing of the three product heavy medium cyclone and the re washing of the three product heavy medium cyclone.

关 键 词：选煤厂 气煤 硅精煤 重介 跳汰 铁含量 

分 类 号：TD94[矿业工程—选矿]