The impeller is eccentrically installed in the pump body and injects a certain height of water into the pump when starting. Therefore, when the impeller rotates, water forms a rotating water ring 1 on the inner wall of the pump body under the action of centrifugal force. The inner surface of the water ring is tangent to the hub and rotates along the arrow direction. During the first half-turn, the inner surface of the water ring of the 2BV water ring vacuum pump is measured. The surface gradually separates from the hub, so a closed space is formed between the impeller blades and the water ring. As the impeller rotates, the space expands gradually, the space gas pressure decreases, and the gas is absorbed from the disk suction port. In the latter half-turn process, the inner surface of the water ring gradually approaches the hub, the space between the blades gradually reduces, and the space gas is absorbed. When the pressure is higher than the exhaust pressure, the gas between the blades is discharged from the disc exhaust port. In this way, whenever the impeller rotates - one week, the space between the blades sucks and exhausts once. Many spaces work continuously, and the equipment continuously sucks or presses gas.
Looking at the working principle of the above 2BV water ring vacuum pump, we found that in the working process of the pump, the working water ring heating, while part of the water and gas are discharged together, so we must constantly supply water to the pump to meet the working requirements of the pump. Hope to fully understand the internal structure of the equipment after the principle, can give you some help in future work.
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