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Booster pump for seawater desalination

A technology of booster pump and pump cover, which is applied to the components, pumps and pump components of the pumping device for elastic fluid, can solve the problem of large axial force of the booster pump, reduce the inlet high pressure, ensure the The effect of normal work and excellent corrosion resistance

Inactive Publication Date: 2020-03-31
JIANGSU UNIV ZHENJIANG RES INST OF FLUID ENG EQUIP TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] What the present invention aims to solve is the technical problem that the axial force of the booster pump is too large in the related art

Method used

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  • Booster pump for seawater desalination

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Embodiment 1

[0043] In order to solve the technical problem of excessive axial force of the booster pump in the related art, an embodiment of the present invention provides a booster pump for seawater desalination. like figure 1 Shown, booster pump described in the present invention comprises:

[0044] pump body 1;

[0045] The impeller 3 is located in the cavity of the pump body, the impeller is installed on the left end of the shaft 17, and the impeller is provided with a balance hole;

[0046] A pump cover 4, the pump cover 4 is located on the right side of the impeller 3, and the pump cover is connected to the pump body 1;

[0047] Bearing body 10, said bearing body 10 is mounted on the right side of pump cover 4;

[0048] Bearing assembly, the bearing assembly is fixedly installed on the bearing body, the bearing assembly includes a row of cylindrical roller bearings 9 and angular contact ball bearings 12, the cylindrical roller bearings 9 are located at the second step on the left...

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Abstract

The invention provides a booster pump for seawater desalination. The booster pump for seawater desalination comprises a pump body, an impeller, a pump cover, a bearing body, a bearing assembly, a front bearing gland and a rear bearing gland; the impeller is positioned in a cavity of the pump body, mounted at the left end of a shaft, and provided with a balance hole; the pump cover is positioned onthe right side of the impeller; the bearing body is arranged on the right side of the pump cover; the bearing assembly is fixedly mounted on the bearing body and comprises a cylindrical roller bearing and an angular contact ball bearing; the front bearing gland is positioned on the left side of the cylindrical roller bearing, and is connected with the bearing body; and the rear bearing gland is positioned on the right side of the angular contact ball bearing, and is connected with the bearing body. The booster pump can effectively reduce the influence of high inlet pressure, excessive axial force and seawater corrosion on the integral normal operation of the booster pump.

Description

technical field [0001] The invention relates to the field of seawater desalination, in particular to a booster pump for seawater desalination. Background technique [0002] Seawater resources in the world account for about 97% of the total water resources, so desalination of seawater is an effective means to solve the shortage of freshwater resources. The booster pump used in seawater desalination is mainly used in the reverse osmosis seawater desalination circuit to compensate for the pressure loss in energy recovery. On the one hand, considering that the working pressure at the pump inlet will generate a large axial force, poor balance will lead to increased bearing wear and excessive temperature. On the other hand, the medium is seawater, which makes the working environment complicated, and the seawater has high salinity, so the corrosion resistance of the booster pump needs to be considered. [0003] Therefore, the general single-stage single-suction centrifugal pump c...

Claims

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Application Information

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IPC IPC(8): F04D29/02F04D29/041F04D29/046F04D29/06F04D29/08F04D29/42F04D29/58F04D29/66
CPCF04D29/026F04D29/041F04D29/046F04D29/0467F04D29/061F04D29/086F04D29/426F04D29/586F04D29/669
Inventor 彭光杰范凤仪
Owner JIANGSU UNIV ZHENJIANG RES INST OF FLUID ENG EQUIP TECH
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