CN210050053U - Fluorine-lined magnetic pump - Google Patents
Fluorine-lined magnetic pump Download PDFInfo
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- CN210050053U CN210050053U CN201920865551.2U CN201920865551U CN210050053U CN 210050053 U CN210050053 U CN 210050053U CN 201920865551 U CN201920865551 U CN 201920865551U CN 210050053 U CN210050053 U CN 210050053U
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- pump
- impeller
- magnetic steel
- fluorine
- balance disc
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Abstract
A fluorine-lined magnetic pump comprises an isolation sleeve, a sealing system and a low-pressure and high-pressure backflow system; the sealing system is characterized in that an O-shaped sealing ring and a sealing gasket are respectively arranged between an impeller locking nut, an impeller and a balance disc, a balance disc and a shaft sleeve, a shaft sleeve and a balance disc A, a balance disc A and inner magnetic steel, and an inner magnetic steel cap on a pump shaft, and the inner magnetic steel is locked by the inner magnetic steel cap; a plurality of through holes A are formed in the end face of an impeller, and a plurality of through holes B are formed in the end face of a pump cover to form a cooling system. The utility model discloses the spacer sleeve adopts polyether ether ketone plastic materials, has high temperature resistant, corrosion resisting property. The through hole A arranged on the end face of the impeller can balance the axial force, and the through hole A, the clearance of the sliding bearing and the through hole B arranged on the end face of the pump cover form a low-pressure and high-pressure backflow system, so that the service life of the sliding bearing is prolonged. The pump shaft is made of metal materials, is suitable for heavy-load occasions, enlarges the application range of the pump and reduces the enterprise cost.
Description
Technical Field
The utility model relates to a pump especially relates to a lining fluorine magnetic drive pump.
Background
The fluorine-lined magnetic pump is very widely applied, and is particularly suitable for conveying severe fluid media such as extremely toxic, flammable and explosive, corrosive and the like. The parts and components contacted with the fluid conveying medium are covered by fluoroplastic, and the corrosion resistance and the wear resistance of the parts and components are ensured to a certain extent. However, in the prior art, the structure composition of the magnetic coupling is usually that the magnetic coupling of the internal and external magnetic steels is adopted to transmit torque, and the internal and external magnetic steels isolate media through an isolation sleeve, so that the dynamic seal is changed into static seal; supporting a shaft transmitting torque by a plain bearing; the shaft for transmitting torque adopts Si
3N
4Or Al
2O
3The shaft made of the non-metallic material has the defects of shaft breakage and short service life of the sliding bearing due to the high fluid density, the characteristics of the non-metallic material and the like in actual use, so that enterprises bear heavy economic burden.
Disclosure of Invention
The utility model aims at providing a lining fluorine magnetic drive pump, it can solve above technical problem.
In order to realize the technical purpose, reach foretell technical requirement, the utility model discloses the technical scheme who adopts is: the utility model provides a lining fluorine magnetic drive pump, includes the isolation sleeve, sealing system, low pressure, high pressure return-flow system, its characterized in that: the sealing system is characterized in that an O-shaped sealing ring D is arranged in an inner cavity of an impeller locking nut at the top end of the pump shaft from left to right, the impeller is locked on the pump shaft, an O-shaped sealing ring C is arranged between the impeller and a balance disc, a sealing gasket B is arranged between the other end of the balance disc and a shaft sleeve, a sealing gasket A is arranged between the other end of the shaft sleeve and the balance disc A, an O-shaped sealing ring B is arranged between the other end of the balance disc A and inner magnetic steel, and an O-shaped sealing ring A is arranged at the other end of the inner magnetic steel and locked on the inner magnetic steel through an; the low-pressure and high-pressure return system is characterized in that a plurality of through holes A are uniformly distributed on the end face of the impeller, a plurality of through holes B are uniformly distributed on the end face of the pump cover, and a cooling system for taking away friction heat of the sliding bearing is formed.
Preferably: the pump shaft is made of metal materials.
Preferably: the isolation sleeve is made of a polyether-ether-ketone plastic material.
Preferably: 6 through holes A with the diameter of 6mm-10mm are uniformly distributed on the central line with the diameter of 90mm of the end surface of the impeller.
Preferably: and 2 through holes B with the diameter of 6mm-10mm are symmetrically arranged on the central line with the diameter of 138mm on the end face of the pump cover.
The utility model has the advantages that; a fluorine-lined magnetic pump, compared with the traditional structure: the isolation sleeve is made of a polyether-ether-ketone plastic material, belongs to a special high polymer material, and has physical and chemical properties of high temperature resistance, chemical corrosion resistance and the like. Through holes A are uniformly distributed on the end face of the impeller, on one hand, axial force can be balanced, on the other hand, a low-pressure and high-pressure backflow system is formed by the through holes B arranged on the gap between the impeller and the sliding bearing and the end face of the pump cover, friction heat of the sliding bearing can be stably taken away, a simple and effective cooling system is formed, and the service life of the sliding bearing is prolonged. The pump shaft is made of metal materials, provides the best stress, temperature resistance and pressure resistance required by heavy load application, is particularly suitable for heavy load occasions, and is provided with a closed system consisting of an O-shaped sealing ring and a sealing gasket between metal parts, so that the pump shaft is prevented from being corroded, the application range of the fluorine-lined magnetic pump is expanded, and the enterprise cost is reduced.
Drawings
FIG. 1 is a schematic structural view of the present invention;
in the figure: 1. the pump comprises an impeller locking nut, 2 parts of a through hole A, 3 parts of a through hole B, 4 parts of a pump body, 5 parts of an impeller, 6 parts of a balance disc, 7 parts of a sliding bearing, 8 parts of a pump shaft, 9 parts of an inner magnetic steel locking nut, 10 parts of a motor frame, 11 parts of an isolation sleeve, 12 parts of an O-shaped sealing ring A, 13 parts of an outer magnetic steel, 14 parts of an inner magnetic steel, 15 parts of an O-shaped sealing ring B, 16 parts of a sealing gasket A, 17 parts of a shaft sleeve, 18 parts of a sealing gasket B, 19 parts of an O-shaped sealing ring C, 20 parts of a pump cover, 21 parts of an O-shaped sealing ring D.
Detailed Description
In order to make the object, technical solution and beneficial technical effects of the present invention clearer, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments;
in the drawings: the utility model provides a lining fluorine magnetic drive pump, includes the isolation sleeve, sealing system, low pressure, high pressure return-flow system, its characterized in that: the sealing system is characterized in that an O-shaped sealing ring D21 is arranged in an inner cavity of a top-end impeller locking nut 1 from left to right on a pump shaft 8, an impeller 5 is locked on the pump shaft 8, an O-shaped sealing ring C19 is arranged between the impeller 5 and a balance disc 6, a sealing gasket B18 is arranged between the other end of the balance disc 6 and a shaft sleeve 17, a sealing gasket A16 is arranged between the other end of the shaft sleeve 17 and the balance disc A22, an O-shaped sealing ring B15 is arranged between the other end of the balance disc A22 and an inner magnetic steel 14, an O-shaped sealing ring A12 is arranged at the other end of the inner magnetic steel 14, and the inner magnetic steel 14 is locked on the; the low-pressure and high-pressure return system is characterized in that a plurality of through holes A2 are uniformly distributed on the end surface of the impeller 5, a plurality of through holes B3 are uniformly distributed on the end surface of the pump cover 20, and a cooling system for taking away friction heat of the sliding bearing is formed.
The pump shaft 8 is made of metal material.
The isolation sleeve 11 is made of a polyetheretherketone plastic material.
6 through holes A2 with the diameter of 6mm-10mm are uniformly distributed on the central line with the diameter of 90mm of the end surface of the impeller 5.
The diameter of the end face of the pump cover 20 is 138mm, and 2 through holes B3 with the diameter of 6mm-10mm are symmetrically arranged on the center line.
The utility model discloses a concrete implementation: the utility model discloses lining fluorine magnetic drive pump adopts the metal pump axle, makes lining fluorine magnetic drive pump carry density big, bear pipe-line system high pressure in the twinkling of an eye, can not the condition of fracture when high moment of torsion in the twinkling of an eye. Because the pump shaft made of metal has high shearing strength and corresponding length-diameter ratio, the internal structure of the fluorine-lined magnetic pump is more reasonably configured. A sealing system is formed by arranging a sealing gasket and an O-shaped sealing ring between a shaft sleeve, a balance disc, an impeller locking nut, inner magnetic steel and an inner magnetic cylinder locking nut, and the metal pump shaft is protected from being corroded by medium fluid. And a sliding bearing assembly and a balance disc assembly made of SiC materials are matched, so that the long-period stable operation of the magnetic pump is ensured.
The isolation sleeve is made of polyether-ether-ketone plastic material, and belongs to a special high polymer material. The insulating sleeve has physicochemical properties such as high temperature resistance, chemical corrosion resistance and the like, is a semi-crystalline polymer material, has a melting point of 334 ℃, a softening point of 168 ℃ and a tensile strength of 132-148 MPa, can be used as a high temperature resistant structural material and an electric insulating material, does not cut magnetic lines of force of an inner magnetic cylinder and an outer magnetic cylinder, does not have heat generated by current vortex, and only needs to consider the heat of the sliding bearing because the insulating sleeve does not have heat to be taken away; the other flow passage components are made of fluoroplastic; the through holes A are uniformly distributed on the end face of the impeller, on one hand, the axial force can be balanced, on the other hand, the through holes B are formed in the gap between the impeller and the sliding bearing and the end face of the pump cover to form a low-pressure and high-pressure backflow system, friction heat of the sliding bearing can be stably taken away, and a simple and effective cooling system is formed.
The foregoing examples are given for the purpose of illustrating the present invention in a clear and non-restrictive manner, and it will be apparent to those skilled in the art that variations and modifications of the present invention may be made in other variations and modifications based on the foregoing description, and it is not necessary or necessary to exhaustively enumerate all embodiments, and all such variations and modifications as are obvious and desirable in the art are within the scope of the present invention.
Claims (5)
1. The utility model provides a lining fluorine magnetic drive pump, includes isolation sleeve (11), sealing system, low pressure, high pressure return-flow system, its characterized in that: the sealing system is characterized in that an O-shaped sealing ring D (21) is arranged in an inner cavity of a top impeller locking nut (1) from left to right on a pump shaft (8), an impeller (5) is locked on the pump shaft (8), an O-shaped sealing ring C (19) is arranged between the impeller (5) and a balance disc (6), a sealing gasket B (18) is arranged between the other end of the balance disc (6) and a shaft sleeve (17), a sealing gasket A (16) is arranged between the other end of the shaft sleeve (17) and the balance disc A (22), an O-shaped sealing ring B (15) is arranged between the other end of the balance disc A (22) and an inner magnetic steel (14), an O-shaped sealing ring A (12) is arranged at the other end of the inner magnetic steel (14), and the inner magnetic steel is locked on the inner magnetic steel (14) through an inner; the low-pressure and high-pressure return system is characterized in that a plurality of through holes A (2) are uniformly distributed on the end face of the impeller (5), a plurality of through holes B (3) are uniformly distributed on the end face of the pump cover (20), and a cooling system for taking away friction heat of the sliding bearing is formed.
2. The fluorine-lined magnetic pump as set forth in claim 1, wherein: the pump shaft (8) is made of metal materials.
3. The fluorine-lined magnetic pump as set forth in claim 1, wherein: the isolation sleeve (11) is made of a polyether-ether-ketone plastic material.
4. The fluorine-lined magnetic pump as set forth in claim 1, wherein: 6 through holes A (2) with the diameter of 6mm-10mm are uniformly distributed on the central line with the diameter of 90mm of the end surface of the impeller (5).
5. The fluorine-lined magnetic pump as set forth in claim 1, wherein: and 2 through holes B (3) with the diameter of 6mm-10mm are symmetrically arranged on the central line with the diameter of 138mm on the end surface of the pump cover (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920865551.2U CN210050053U (en) | 2019-06-11 | 2019-06-11 | Fluorine-lined magnetic pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920865551.2U CN210050053U (en) | 2019-06-11 | 2019-06-11 | Fluorine-lined magnetic pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210050053U true CN210050053U (en) | 2020-02-11 |
Family
ID=69397379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920865551.2U Active CN210050053U (en) | 2019-06-11 | 2019-06-11 | Fluorine-lined magnetic pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210050053U (en) |
-
2019
- 2019-06-11 CN CN201920865551.2U patent/CN210050053U/en active Active
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