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Centrifugal vortex water pump

A vortex and water pump technology, which is applied in the field of machinery, can solve the problems of damage to the metal surface of the impeller, large vaporization at the inlet, and affect the life of the pump, and achieve the effects of reducing vaporization, small lift fluctuations, and prolonging life.

Pending Publication Date: 2018-03-13
ZHEJIANG AOLONG TECH DEV CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, there is a problem with the current vortex water pump: the amount of vaporization at the inlet is large, which makes it unable to transport high-temperature water well; at the same time, the bubbles generated by vaporization will damage the metal surfaces such as the impeller and affect the performance of the pump. life

Method used

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  • Centrifugal vortex water pump
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Embodiment Construction

[0023] The following are specific embodiments of the present invention and in conjunction with the accompanying drawings, the technical solutions of the present invention are further described, but the present invention is not limited to these embodiments.

[0024] Such as Figure 1 to Figure 5 As shown, the centrifugal vortex water pump is composed of a pump body 1, a pump shaft 2, a centrifugal impeller 3, a vortex impeller 4, a mechanical seal 5, a sealing member 6 and the like. Wherein, the mechanical seal 5 is annular, and the mechanical seal 5 is an existing product and can be purchased on the market.

[0025] Specifically, as figure 1 with image 3 As shown, the pump body 1 has an inlet 1g and an outlet 1h, and the axes of the inlet 1g and the outlet 1h are perpendicular to each other. The pump shaft 2 is arranged in the pump body 1 along the horizontal direction. The inner cavity of the pump body 1 includes a left cavity 1a and a right cavity 1b, the left cavity 1a...

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Abstract

The invention provides a centrifugal vortex water pump and belongs to the technical field of machines. The problem that the vaporization capacity at water inlets of existing vortex pumps is high is solved. The centrifugal vortex water pump comprises a pump body provided with an inlet and an outlet, and a pump shaft arranged in the pump body. An inner cavity of the pump body comprises a left cavitybody communicating with the inlet, and a right cavity body communicating with the outlet. The left cavity body and the right cavity body are distributed in the axial direction of the pump shaft. A water guiding port communicating the left cavity body with the right cavity body is formed in the pump body. The two ends of the pump shaft penetrate through the left cavity body and the right cavity body correspondingly. The left cavity body and the right cavity body are internally provided with a centrifugal impeller and a vortex impeller correspondingly. The centrifugal impeller and the vortex impeller are fixedly connected with the pump shaft. The water guiding port is located between the centrifugal impeller and the vortex impeller. Two annular mechanical sealing parts enabling the pump shaft and the pump body to form sealing connection are arranged on and fixedly connected with the outer side of the pump shaft in a sleeving mode. The two mechanical sealing parts are located in the right cavity body and located on the two sides of the vortex impeller correspondingly. The centrifugal vortex water pump has the advantage of low vaporization capacity.

Description

technical field [0001] The invention belongs to the technical field of machinery, and relates to a water pump, in particular to a centrifugal vortex water pump. Background technique [0002] Water pumps are widely used in daily life and agricultural production, and the vortex submersible pump is one of them. This vortex submersible pump generally includes an impeller, a motor and a pump body, and the output shaft of the motor passes through the pump body and is fixedly connected with the impeller located in the pump body. The working principle of the vortex pump is as follows: the motor drives the impeller to rotate, and its blades are distributed on the outer edge of the impeller disc. The flow path of the pump is composed of the arc grooves of the radial blades, the pump body on both sides of the blades, and the ring grooves in the pump cover. When the impeller rotates, the peripheral velocity of the fluid in the flow channel on the outer edge of the impeller is higher t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04D7/06F04D29/42F04D29/44F04D29/22F04D29/66
CPCF04D7/06F04D29/185F04D29/2272F04D29/426F04D29/445F04D29/669
Inventor 沈永呈
Owner ZHEJIANG AOLONG TECH DEV CO LTD
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