Emulsion pump is used in coal mining face to provide emulsified fluid for hydraulic support. Its working principle is to drive the piston to and fro by the rotation of crankshaft, so as to realize fluid suction and drainage. Hydraulic support is used to support roof, which provides certain space for Shearer to prevent roof collapse. Emulsion is composed of 95% water and 5% oil. Hydraulic support is supported and expanded by hydraulic cylinder.
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