Reciprocating plunger type polymer injection pump fluid end
A technology of polymer injection pump and hydraulic end, which is applied in the field of polymer injection equipment for tertiary oil recovery process in oil fields, can solve the problems of liquid cylinder block scrapping, hidden dangers, high difficulty, etc., so as to reduce maintenance difficulty and labor intensity, prolong service life, guarantee Effectiveness
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[0025] The present invention will be described in detail below in conjunction with the accompanying drawings. Apparently, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0026] Such as Figure 1-4 As shown, a fluid end of a reciprocating plunger type polymer injection pump includes a liquid cylinder body 1, a liquid cylinder cover 2 is installed on the upper end of the liquid cylinder body 1, and several groups of valve groups are installed in the liquid cylinder body 1 mechanism, the valve group mechanism includes a vertically stacked suction valve 3 and a discharge valve 4, the lower end of the liquid cylinder body 1 is connected with a manifold-type suction main pipe 5, and the suction port of the suction valve 3 is connected...
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