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Combined submersible pump

A submersible pump, combined technology, applied in the field of combined submersible pumps, to achieve the effect of increasing speed, prolonging service life and reducing resistance

Active Publication Date: 2014-12-03
SUZHOU HAIERSHI INFORMATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the face of the demand for large head, reducing the pressure at the outlet has become a difficult problem

Method used

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  • Combined submersible pump

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Embodiment Construction

[0020] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0021] Such as figure 1 As shown, it is a combined submersible pump of the present invention, which has a screw submersible pump 1. The screw submersible pump 1 includes a housing 2, and a set of screw rods 3 are arranged in the housing 2. The lower end of the screw rod 3 is connected to the water inlet 4, and the upper end is connected to There is a water outlet 5, the inner wall of the water inlet 4 has a spiral structure, the front and rear ends of the screw shaft 6 are supported by bearings 7, the screw shaft 6 is connected to the first motor 9 through a transmission mechanism 8, and the water inlet section of the water outlet 5 has a drum-shaped chamber 11. The outlet channel 5 connected to the drum-shaped chamber 11 also has a spiral structure, and the impeller 12 is installed in the drum-shaped chamber 11, and the impeller 12 has 7 blade...

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Abstract

The invention relates to a combined submersible pump. The combined submersible pump comprises a submersible screw pump, wherein the submersible screw pump comprises a casing and a group of screws arranged in the casing; lower ends of the screws are connected with a water inlet channel, and upper ends of the screws are connected with a water outlet channel; front and back ends of screw shafts are supported by bearings; a water inlet section of the water outlet channel is provided with a drum-shaped chamber, an impeller is mounted in the drum-shaped chamber, a water inlet of the drum-shaped chamber is placed horizontally, and a water outlet of the drum-shaped chamber is placed vertically; a blowing pipe is inserted in the water outlet channel connected with the drum-shaped chamber, the blowing pipe blows air towards a water inlet of the drum-shaped chamber, and the upper end of the blowing pipe is connected with an air pump. According to the combined submersible pump, an impeller type water pump and the blowing pipe of the air pump are arranged at the water outlet of the screw pump, through working of the impeller type water pump and the air pump, the pressure at the water outlet of the screw pump is reduced, and reactive forces applied to the screw shafts are reduced, so that loads of the bearings are reduced, abrasions to the bearings are reduced, the service life of the submersible pump is prolonged, and further increase of the revolving speed of the screw pump is guaranteed.

Description

technical field [0001] The invention relates to a submersible pump, in particular to a combined submersible pump. Background technique [0002] Submersible pumps are important equipment for deep well water extraction and are widely used in industry and agriculture. [0003] Generally speaking, according to the principle of drainage, water pumps can be divided into: 1. Impeller pumps, such as: centrifugal pumps, mixed flow pumps, axial flow pumps, etc., swirl pumps; 2. Positive displacement pumps, such as: plunger pumps, gear pumps, Screw pump, vane pump, etc.; 3. Other types, such as: jet pump, water hammer pump, etc. [0004] The screw pump belongs to positive displacement pump, with high head and low flow rate, especially suitable for loose viscous liquid. When the screw rotates at a high speed, the back-end bearing is subjected to greater pressure, which accelerates wear and also limits the speed of the screw pump. The pressure on the bearing mainly comes from the reac...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04B23/12F04C2/16F04C15/06
CPCF04B23/12F04C2/16F04C11/008F04C15/00F04C15/06F04D13/06F04D29/007
Inventor 马巧根周长根候潇寒张薇华陆俊芳
Owner SUZHOU HAIERSHI INFORMATION TECH CO LTD
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