In order to eliminate the intensive labor of hand drawing and to increase the productivity of the drawing-in process in warp preparation, an automatic drawing-in machine has been designed.
With the optimized design, the short-wall top-coal caving face of the mines in Xinjiang Mining Group Co. , Ltd. , increase more or gain good profits.
来自互联网
3. 综采工作面设备大、搬家倒面较为复杂,一般要求工作面为规则形状,有利于发挥综机的优势。
The large fully mechanized coal face equipment, moving down side is more complicated, the general requirements of the rule face shape is conducive to synergy and have the advantage.
In accordance with output lower of comprehensive driving group, makes a suggestion on using temporary support to raise mechanize driving output, after improving, the driving ontput is raised 25 %.
In accordance with output lower of comprehensive driving group, makes a suggestion on using temporary support to raise mechanize driving output, after improving, the driving ontput is raised 25 %.