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Magnetic sealing device for centrifugal pump

A magnetic seal and centrifugal pump technology, which is applied to parts, pumps, and pump components of elastic fluid pumping devices, can solve problems such as restricting the working performance of centrifugal pumps and leakage of centrifugal pumps, and achieve simple structure and good sealing performance. Good and stable performance

Inactive Publication Date: 2013-01-23
大连四方电泵有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the prior art, the centrifugal pump often has a leakage problem, which has a great impact on the normal operation of the pump. How to solve the leakage problem of the centrifugal pump is an important factor restricting the performance of the centrifugal pump

Method used

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  • Magnetic sealing device for centrifugal pump

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Effect test

Embodiment Construction

[0011] figure 1 It is a structural schematic diagram of the centrifugal pump magnetic seal device of the present invention. The centrifugal pump of the present invention includes a pump body 1, an impeller 2, an electromagnet substrate 3, a screw 4, a magnetic pole ring 5, a coil 6, an armature 7, a fixed magnet guide 8, a rotating magnet guide 9, a shaft sleeve 10, a sealing ring 11, and a bearing housing 12. Bearing 13, shaft 14, rear sealing base 15, rear permanent magnet 16, front sealing base 17, front permanent magnet 18, auxiliary impeller 19, pin 20, pump cover 21.

[0012] Described magnetic sealing device comprises electromagnet 6, armature 7, rear sealing substrate 15, rear permanent magnet 16, preceding sealing substrate 17, preceding permanent magnet 18, auxiliary impeller 19; Wherein:

[0013] The pump cover 21 is fixed on the pump body 1, the magnetic pole ring 5 is fixed on the pump cover 21, the electromagnet base 3 is fixed on the magnetic pole ring 5; the a...

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Abstract

The invention discloses a magnetic sealing device for a centrifugal pump and belongs to the technical field of a liquid conveying pump. The magnetic sealing device for the centrifugal pump provided by the invention comprises an electromagnet (6), an armature (7), a rear sealing substrate (15), a rear permanent magnet (16), a front sealing substrate (17), a front permanent magnet (18) and a secondary impeller (19). Compared with the prior art, the magnetic sealing device for the centrifugal pump has the advantages of excellent sealing property, simple structure, stable property, and the like.

Description

technical field [0001] The invention belongs to the technical field, and more specifically, belongs to a centrifugal pump magnetic seal device. Background technique [0002] In the prior art, the centrifugal pump often has a leakage problem, which has a great impact on the normal operation of the pump. How to solve the leakage problem of the centrifugal pump is an important factor restricting the performance of the centrifugal pump. Contents of the invention [0003] In order to solve the above problems, the present invention provides an electromagnetically driven sealing mechanism of a centrifugal pump. [0004] A centrifugal pump magnetic sealing device according to the present invention is characterized in that the magnetic sealing device comprises an electromagnet, an armature, a rear sealing substrate, a rear permanent magnet, a front sealing substrate, a front permanent magnet, and an auxiliary impeller; wherein: [0005] The pump cover is fixed on the pump body, th...

Claims

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Application Information

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IPC IPC(8): F04D29/14
Inventor 方世满杨逢瑜
Owner 大连四方电泵有限公司
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