Currently, artificial sand has gradually occupy the market has become a major source of sand and gravel, but illegal mining behavior persists in many places. Today the ecological situation is grim, the full protection of the ecological environment can not be delayed. We must take effective measures to prevent illegal excavation of sand and gravel…
As is known that cement is made up of chalk and clay and after the high-temperature calcinations’ process, the first question is the limestone’s crushing.
Preparation: 1. Tools: wrench, pliers, screwdriver, small hammer, shovel, etc; 2. The necessary spare parts: various sub chain, link, bolt, nut, pin crusher of insurance, etc.; 3. The lubricating oil, turbine oil. Inspection and handling: 1. Motor, gear reducer, hydraulic coupling, the nose and the tail part of the connection must be complete, intact and…