Water absorption device for centrifugal pump
A technology of water suction device and centrifugal pump, applied in pump device, pump, non-variable-capacity pump, etc., can solve the problems of reducing the service life of the water pump, increasing the loss of the water pump, and the phenomenon of water surface air suction.
Inactive Publication Date: 2013-06-12
山西天一纳米科技股份有限公司
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Problems solved by technology
[0002] When the centrifugal pump in the prior art is used to pump the water in the self-provided underground storage pool, the pump body directly sucks the water in the pool through the lower suction pipe and the bottom suction valve. There is a certain distance from the bottom, so the water surface often has empty suction phenomenon, and the water absorption effect is not ideal, especially as the depth of the storage tank increases, the power of the water pump increases accordingly. Open with use, which will increase the loss of the pump and reduce the service life of the pump
Method used
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Embodiment Construction
[0008] See attached figure 1 Shown, a kind of centrifugal pump suction device of the present invention, by an underground storage tank 6, a ground water pump 2, what link to each other with the water pump is a water storage tank 3, in the storage tank, the suction bottom valve 7 passes through the water suction pipe 5 and the water storage tank. The tanks 3 are connected, and the water storage tank 3 is connected with a drain valve 1 and an exhaust valve 4 .
[0009] During work, water is pumped into the water storage tank 3 by the water pump 1 . Water is supplied through drain valve 1. After the tank is full of water, the tank is evacuated to -100Kpa through the exhaust valve 4, and the water in the tank will be automatically sucked into the tank through the suction pipe 5. Ensure normal water use.
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The invention discloses a water absorption device for a centrifugal pump. The water absorption device comprises a water pump, a water storage pond and a water absorption base valve arranged in the water storage pond, wherein the water absorption base valve is connected with the water pump through a water absorption pipe; a water storage tank is arranged between the water absorption pipe and the water pump; and a water drainage valve and an air exhaust valve are arranged on the water storage tank. According to the water absorption device for the centrifugal pump, water can be supplied by the water storage tank under the conditions that the water using amount is relatively small and the water pump is not opened; the water storage tank can be supplemented with water according to a vacuum siphon principle; and under the condition that the water using amount is relatively large, the water pump is opened to supplement water, and the requirement for production water can be met.
Description
technical field [0001] The invention relates to a centrifugal pump water suction device, in particular to a device for suctioning water from the bottom of a pit by a centrifugal pump. Background technique [0002] When the centrifugal pump in the prior art is used to pump the water in the self-provided underground storage pool, the pump body directly sucks the water in the pool through the lower suction pipe and the bottom suction valve. There is a certain distance from the bottom, so the water surface often has empty suction phenomenon, and the water absorption effect is not ideal, especially as the depth of the storage tank increases, the power of the water pump increases accordingly. With the open, which will increase the pump loss and reduce the service life of the pump. Contents of the invention [0003] In order to improve this situation, a centrifugal pump water suction device is designed, which can keep water supply at any time when the water pump does not need to...
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IPC IPC(8): F04D13/16
Inventor 张原僖周日升赵建卿闫晴惠郭奇文郭秀娟梁建强
Owner 山西天一纳米科技股份有限公司