中煤再选的必要性和可行性  

Necessity and Practicability of Middlings Rewashed

作　　者：沈笑君[1] 史春华[1] 

机构地区：[1]黑龙江科技学院资源学院,黑龙江哈尔滨150027

出　　处：《洁净煤技术》2006年第4期12-14,共3页Clean Coal Technology

基　　金：黑龙江省教育厅资助项目(10531141)

摘　　要：分析了煤炭资源现状及中煤产品的利用情况,提出了中煤回收利用的必要性,并以杏花选煤厂中煤为例,通过浮沉实验论证了中煤回收利用的可行性,提出了中煤回收利用的几种方案,并分析了其经济效益。The status of coal resources and the utilization of the middlings in china were analyzed, and the necessity of the middlings recovery was held up. Middlings of Xinghua Coal Preparation Plant is used as experiment test samples, through float and sink test, the feasibility of the middlings recovery is demonstrated. Some projects were pointed out and the economic benefit was analyzed.

关 键 词：中煤 精煤产率 浮沉试验 经济效益 

分 类 号：TD94[矿业工程—选矿]