Roots blower is a double impeller synchronous compression machinery, two bearings with each trilobe rotor, using a pair Of synchronous gears, the relative position of two rotor remains constant.   The working principle of the three blades roots blower   1, The three blades roots blower ...

Explosion-proof crane is a kind of special operating equipment, and the environment used in it is also harsher. Equipment is usually equipped with special protective facilities to ensure normal use. The maintenance of explosion-proof cranes: When the explosion-proof crane is a special vehicle, t...

The foundry crane is the main equipment in the steel making and continuous casting process. It is mainly used for the converter feeding to the converter and the molten iron; in the refining span, the ladle is hoisted to the refining furnace or the molten steel is hoisted to the continuous casting...