Technical conversion of batac jig for fine coal 末煤跳汰机的技术改造
2.
Reform of the fixed belt conveyor tension device used for cleaned powder coal 洗末煤上仓带式输送机拉紧装置的改造
3.
Practice and some considerations for the technical reformation to be carried out on small coal cleaning system at lujiatuo mining co . coal preparation plant 吕家坨矿业公司选煤厂末煤分选系统技术改造的实践与思考
4.
The practice process of the technological parameter of raw coal sizing screen rectified by tianzhuang coal cleaning plant was introduced in this paper , and it also gropes for the traditional size range of lump coal and slack coal 摘要笔者主要介绍了田庄选煤厂调整原煤分级筛工艺参数的实践过程，对传统意义上的块煤和末煤的粒度范围进行了有益的探索。
