Water pump working principle map

Water jet pump working principle, with a certain pressure of the working medium water, high pressure spray through the nozzle to the suction chamber, the water pressure can be kinetic energy, the formation of high-speed jet; inhalation chamber gas was forced to carry high-speed jet mixed with, Forming a gas-liquid mixed flow, into the diffuser, thereby reducing the pressure in the suction chamber to form a vacuum. In the expansion section of the diffuser, the kinetic energy of the mixed jet is transformed into pressure energy, the velocity decreases, the pressure is increased and the gas is further compressed, The water is discharged together with the pump, and the gas and water are separated in the water tank. The gas is released into the atmosphere, and the water is circulated and reused by the water pump to achieve the purpose of vacuuming once in a while. The nozzle of a single-stage water jet pump may be a single nozzle structure formed by a tapered nozzle or a multi-nozzle structure having a plurality of orifices on one orifice plate. Water pump working principle diagram Limit vacuum -0.097MPa, working vacuum -0,085 ~ -0.08MPa Vacuum pump type Working pressure range (Pa) Starting pressure (Pa) Piston vacuum pump 1 × 105 ~ 1.3 × 102 1 × 105 Rotary Vacuum pump 1 × 105-6.7 × 10-1 1 × 105 Water ring vacuum pump 1 × 105-2.7 × 103 1 × 105 Roots vacuum pump 1.3 × 103-1.3 1.3 × 103 Turbomolecular pump 1.3-1.3 × 10-5 1.3 Water Steam jet pump 1 × 105-1.3 × 10-1 1 × 105 Oil diffusion pump 1.3 × 10-2-1.3 × 10-7 1.3 × 10 Oil vapor jet pump 1.3 × 10-1.3 × 10-2 Molecular sieve adsorption pump 1 × 105-1.3 × 10-1 1 × 105 Sputtering Ion Pump 1.3 × 10-3-1.3 × 10-9 6.7 × 10-1 Titanium sublimation pump 1.3 × 10-2-1.3 × 10-9 1.3 × 10-2 Zirconium Aluminum getter pump 1.3 × 10-1.3 × 10-11 1.3 × 10 Cryogenic pump 1.3-1.3 × 10-11 1.3-1.3 × 10

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