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一些矿物原料由于在堆藏过程中硬结成块,因而从仓库卸出时必须将大块破碎。在库房内,将物料送上料堆一般采用架设在屋顶纵向通道里的带卸料小车的带式输送机,也有使用装置在可移动的纵向桁架上进行往复运动的带式输送机。从料堆卸出物料是依靠一种专用的刮板输送机进行的,刮板输送机安装在可变倾角的旋转臂架上,臂架装置在小
Some mineral raw materials have to be chunked when unloaded from warehouses because they are hardened into pieces during the stacking process. In the storeroom, feeding the material to the stockpile generally uses belt conveyors with unloader trolleys erected in the longitudinal roof access and also belt conveyors that use devices to reciprocate on a moveable longitudinal truss. The unloading of material from the stockpile is carried out by means of a dedicated scraper conveyor which is mounted on a variable-pitch rotating boom with the boom arrangement in a small