scraper hoist

Trackless Mining Technology With A Combined Scraper-Truck Ore Removal System;

電耙與汽車聯合出礦的無軌開采工藝

According to geology conditions of Ⅳ-1 ore body in Suichang gold mine, scraper shrinkage method is applied in the test which the method use flat-bottom trench structure and scraper to draw ore.

針對遂昌金礦Ⅳ -1礦體的地質開采條件 ,試驗了平底塹溝受礦電耙運搬底部結構的電耙留礦采礦法 ,取得了較好的經濟效益。

Research and application of scraper trench segmented openstope method in Tongshan Cooper Mine;

電耙塹溝分段空場采礦法在銅山銅礦的研究與應用

In order to increase,the retrieval amount of clean coal the electric rake are designed and erected,and its main parameters is calculated.

選煤廠為提高精煤回收量 ,設計安裝了電耙子 ,并計算了電耙子的主要參數 ,安裝后 ,運行效果良好。