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Self-priming pump structure
Jul 07,2022
There are many structural types of self-priming pumps, among which molten salt pumps, vacuum pumps, submerged pumps, metering pumps, gear pumps, corrosion-resistant pumps, acid-resistant pumps, and fire pumps flow in the direction of rotation. Then it joins with the water from the right return water hole and flows along the volute. Because the liquid continuously impacts the blade cascade in the volute, and is continuously broken by the impeller, it is strongly stirred and mixed with the air to generate a gas-water mixture, and it flows continuously so that the gas and water cannot be separated.
The mixture is peeled off by the separator tongue at the outlet of the volute and enters the separation chamber along the short tube. In the separation chamber, the air is separated and discharged by the outlet pipe, while the water still flows to the outer edge of the impeller through the left and right return water holes, and is mixed with the air in the suction pipe. This repeated cycle gradually exhausts the air in the suction pipeline, so that the water enters the pump to complete the self-priming process. Sewage pump self-priming pump oil pump diaphragm pump screw pump gear oil pump pump is the same, the difference is that the return water does not flow to the outer edge of the impeller, but flows to the inlet of the impeller.
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