1. Why does the tap water booster pump exhaust air before each pressurization
The tap water booster pump generally uses a centrifugal pump. Because the impeller of the centrifugal pump rotates continuously in the pump casing filled with water, the water between the blades on the impeller is subjected to centrifugal force to make centrifugal motion, rushes to the casing at a certain speed and pressure, and flows into the casing through the flow channel in the casing. The outlet pipe of the pump.
At the same time, a vacuum is formed in the center of the impeller, and the water in the suction pipe flows into the center of the impeller under the action of atmospheric pressure to fill this vacuum area ; After the water flowing into the center of the impeller is subjected to centrifugal force, it flows into the water outlet pipeline of the pump through the casing. In this way, as long as the water suction pipeline can maintain the supplement of water and the impeller keeps rotating, the process of continuous water delivery of the pump is completed.
Therefore, the tap water booster pump must exhaust air before each pressurization, let the water enter the inside of the pump and fill the impeller with water.
In order to prevent the air resistance from affecting the pressure in the pump, the water cannot flow out. A convenient solution is to find a way to keep the water in the pump after the pump is deactivated, and the air does not enter. The most effective way is to install a bottom valve.
Second, how does the liquid booster pump exhaust air
When using the tap water booster pump, there is no need to manually operate the exhaust, it can automatically exhaust. When the booster pump is working, it applies pressure through the air, but the pressure acts on the small area of the piston, and it can run continuously when high pressure occurs. If its pressure is balanced, the booster pump will stop, but will not consume air. When the pressure drops, the booster pump will automatically run and continue to work together with deflation.
