Water jetting air pumping device
A technology of air extraction device and mounting plate, which is applied in the direction of jet pump, machine/engine, non-displacement pump, etc. It can solve the problems of pumping efficiency and other issues, so as to achieve the effect of good shunt effect, simple structure and stable pumping.
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[0025] Such as figure 1 and figure 2 As shown, it includes an upper connecting pipe 1, an upper suction chamber 2, an intermediate throat pipe 3 and a lower diffusion chamber 4 which are arranged coaxially from top to bottom and communicate with each other; the upper and lower ends of the upper connecting pipe 1 respectively have an upper flange A11 With the lower flange A12, the upper end of the upper connecting pipe 1 has a water inlet a.
[0026] Such as image 3 As shown in -5, the upper suction chamber 2 includes an outer cylinder 21 and an annular flow divider 22 coaxially sleeved in the outer cylinder 21. The side wall of the outer cylinder 21 has an air inlet b; the annular flow divider The side wall of 22 is evenly distributed with a number of distribution small holes 24, and a pair of symmetrically arranged large distribution holes 25 are also opened on the side wall, and a nozzle mounting plate 26 and a throat are respectively provided on the upper and low...
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