碎煤

PFD反击式破碎机为新型破碎机，主要用于电站碎煤用。

PFD Impact Breaker is a new type of high-efficient breaker mainly used in electricity-generating stations for reduction of coal .

碎煤齿环堆焊材料与工艺研究

Study on overlay-welding material and process of gear-annular of breaking coal

变压煤气发生炉是一种以碎煤为原料直接生产带压原料煤气和燃料煤气的制气设备。

The pressure swing gas producer is a kind of equipment which can directly produce gas with certain pressure and making use of pieces coal .

采煤机滚筒是采煤机用来截煤、碎煤、落煤、装煤的关键部件。

The roller of coal mining machine is the key component of coal mining machine which is used to cut coal , break coal a , fall coal and load coal .

必须采取柔性措施以及提前在临时支架上方堆积碎煤矸等松散材料降低冒落矸石冲击力；

The flexibility measures as well as the broken coal rejects and other soft bulk material set up on the top of the temporary support should be applied to reduce the impacts of the roof falling rocks .