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Atmosphere pressure cooling intelligent control water pump

An intelligent control, normal pressure technology, applied in the direction of pumps, pump devices, pump components, etc., to achieve the effect of improving service life and reducing direct impact

Inactive Publication Date: 2008-05-14
项光辉
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the defect that the existing water pump cooling device needs to withstand pressure during operation, and to provide a normal pressure cooling intelligent control water pump with a dynamic sealing device, so that the cooling of the water pump can be carried out under normal pressure

Method used

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  • Atmosphere pressure cooling intelligent control water pump
  • Atmosphere pressure cooling intelligent control water pump
  • Atmosphere pressure cooling intelligent control water pump

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Embodiment Construction

[0012] Such as figure 1 , figure 2 As shown, the normal pressure cooling intelligent control water pump includes a pump body 1, an intermediate body 11 and a bearing housing 12 connected in sequence. The pump body 1 is provided with an impeller 4, and the main shaft 13 traverses the bearing housing 12, the intermediate body 11 and the pump body 1. The impeller 4 is connected, and a mechanical seal 9 is provided outside the main shaft sleeve 14 in the intermediate body 11, wherein a rear cover 5 is provided on the rear side of the impeller 4 on the main shaft 13, and the rear cover 5 and the pump cover 7 are connected. A pair of impellers 6 are arranged between them. The mechanical seal 9 is placed in the sealing chamber 15, the sealing gland 10 is provided at the rear of the sealing chamber 15, and the cooling water joint 8 and the cooling water outlet 16 are respectively provided on the upper and lower sides of the sealing chamber wall, and the cooling water joint 8 It is ...

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Abstract

The invention belongs to a water pump, in particular to a normal pressure cooling intelligent control water pump. The invention comprises a pump body, a middle body and a bearing box which are sequentially connected; the pump body is internally provided with an impeller; a mainshaft transversely passes through the bearing box and the middle body and is connected with the impeller in the pump body; the outside of a mainshaft sleeve in the middle body is provided with a mechanical sealing part; wherein, the rear side of the impeller on the mainshaft is provided with a rear protection cover; an auxiliary impeller is arranged between the rear protection cover and a pump cover. On the base of the existing water pump structure, the invention adds a power sealing device consisting of the auxiliary impeller and the rear protection cover, separates the bearing section of the pump body from the cooling section of the pump body, plays pressure reduction function, reduces the direct impact of the slurry to the mechanical seal, and can cool the sealing device of the pump body with normal tap water under normal pressure, thus prolonging the service life of the water pump.

Description

technical field [0001] The invention belongs to a water pump, in particular to a normal pressure cooling intelligent control water pump. Background technique [0002] The water pump motor cannot run normally without water. If it is forced to run, it will burn the seal and cause water to leak from the seal ring. In severe cases, it leads to material leakage of the entire production line. The leaked material will cause different degrees of hazards, and even cause different degrees of environmental pollution. It will also cause the production to fail to meet the standard, and increase the cost and expense of maintenance. For traditional IH series pumps, the cooling device must have pressure, and the external pressure must be greater than the internal pressure of the pump, otherwise the mechanical seal will have slurry leakage, which will seriously burn out the mechanical seal device and reduce the use value of the pump. And shorten the service life. Contents of the invention...

Claims

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Application Information

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IPC IPC(8): F04D29/58F04D29/08F04D13/06
Inventor 项光辉
Owner 项光辉
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