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班打不了几个眼,后来提出用压缩气吹岩粉后,才解决这个问题,这个方法只能使用于向下掘进卡釬的巷道中。在工作面接上三个风头,一个接风鑽、一个接水(无集中供水工作面)、一个接吹风管,并在吹风管的上端接一个凡尔(开关)。打眼的时候,打进几公分,把风鑽和釬子一起拿出来,再打另一眼。助手将吹风管插入眼开关一开将岩粉吹出来,吹了以后,风鑽工将风鑽和釬子移入刚吹了岩粉的眼内继续打眼,我矿洋西坑因地形关系,下部只能用豎井采掘。可是在豎井开凿过程中,经常卡釬。因向下掘进,岩粉液塞于孔底,不能借水的压力吹至孔外,掘进工效很低,一个台
The class can not hit a few eyes, and later proposed to use compressed air blowing rock powder, only to solve this problem, this method can only be used to drive down the brazing tunnel. Connect three heads to the work surface, one for the air drills, one for the water (without a centralized work surface), one for the blower and one for the Versail (switch) at the upper end of the blower. When drilling, scored a few centimeters, the wind and brazier together out, hit another eye. Assistant will be inserted into the hair dryer eye switch opened the rock powder blowing out, after blowing, the wind drill workers will be moved to the wind blower and brazier just blow the eye of rock powder to continue drilling, I mine due to the terrain of Xikeng, the lower part Only use shaft excavation. However, in the shaft cutting process, often brazing. Due to the downward heading, dregs of liquid at the bottom of the hole, can not blow water pressure to the hole, the tunneling efficiency is very low, a Taiwan