Anti-cavitation double-inlet double suction multi-stage pump
A multi-stage pump and double-inlet technology, which is applied in the direction of pumps, pump components, non-variable pumps, etc., can solve the problems of vane pump basic structure and inflow mode optimization, and achieve the effect of avoiding cavitation and large suction area
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[0042] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0043]An anti-cavitation double-inlet double-suction multi-stage pump, including a pump inlet pipe 1, a pump body 2, a pump shaft 3, a first-stage double-suction impeller 4, a secondary double-suction impeller 5, an outlet pipe 6, and a transition flow channel 7, Bearing housing 8, deep groove ball bearing 9, packing seal 10, mouth ring 11;
[0044] The water inlet pipe 1 and the water outlet pipe 6 of the pump are respectively connected to the water inlet end and the water outlet end of the pump body 2;
[0045] The pump body 2 is divided into upper and lower parts along the horizontal plane of the pump shaft 3, and the upper and lower parts are connected by bolts;
[0046] The quantity of the first-stage double-suction impeller 4 is 2, and the first-stage double-suction impeller 4 is fixed side by side on the pump shaft 3 through a shaft sle...
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