| 摘要 |
PURPOSE: A structure of a pressure pump for a water purifying device is provided to accurately purify water and to control a constant amount of the purified water and minimize the water being discarded from a membrane filter. CONSTITUTION: A structure of a pressure pump for a water purifying device comprises a body housing(10), a pump housing(20), a pressing pump, and an installation port. The body housing is formed into a cylindrical shape being perpendicularly installed. The pump housing penetrates through the lower part of the body housing. An inlet(21) is formed in a side of the pump housing and an outlet is formed in the other side of the pump housing. The pressing pump is horizontally installed in the inner central part of the pump housing. The installation port is formed into a ring shape having a plurality of through-holes. After the inside of the body housing is filled with water returned to a return port and flowing into the inlet, the water is supplied to a membrane filter through the outlet by a pressure pump at a constant pressure and a constant flow rate.
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