CN2124329U - Centrifugal pump with seal cartridge centre shaft lined with fluoric compound - Google Patents
Centrifugal pump with seal cartridge centre shaft lined with fluoric compound Download PDFInfo
- Publication number
- CN2124329U CN2124329U CN 92216119 CN92216119U CN2124329U CN 2124329 U CN2124329 U CN 2124329U CN 92216119 CN92216119 CN 92216119 CN 92216119 U CN92216119 U CN 92216119U CN 2124329 U CN2124329 U CN 2124329U
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- CN
- China
- Prior art keywords
- pump
- sleeve
- impeller
- magnetic assembly
- power source
- Prior art date
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Abstract
The utility model relates to a centrifugal pump with a seal cartridge centre shaft lined with fluoric compound. A no leakage conveyer mechanism comprises a pump body final encapsulation, an inner rotor, a sealing sleeve, a connecting sleeve body and a power source. The pump body final encapsulation is that a pump body, a supporting plate and a sealing ring are in butt-joint according to a rabbet and are fixed through a screw bolt. The inner rotor comprises a pump shaft, a front bearing, an inner magnetic assembly, a sealing ring, a back anti-thrust sleeve, a front anti-thrust ring and an impeller, wherein, the sealing sleeve and the connecting sleeve body is formed by the connection of an isolating sleeve, a connecting sleeve, a back supporting seat and a rear axle sleeve screw bolt in turn. An outer magnetic assembly is connected with a motor shaft, which forms the power source. The inner magnetism and the outer magnetism are penetrated in the position of the isolating sleeve of the pump when in quiescence. The N pole and the S pole generate torque, and an outer magnet drives an inner magnet to rotate when the motor is actuated, thus realizing impeller insufflations. The utility model has the advantages of simple structure, no leakage, corrosion resistance and low cost.
Description
The utility model is the nothing leakage corrosion resisting centrifugal pump that a kind of no axis, all flow passage parts (with the medium contact) all are lined with certain thickness fluorine material.
In industries such as petrochemical industry, pharmacy, electronics, metallurgy, when carrying strong acid, highly basic, inflammable and explosive, perishable or valuable feed liquid, there are water clock and etching problem in varying degrees.This is that axle must rotate or slide during running because all pumps must have axle, and axle rotates or slides must wearing and tearing, and wearing and tearing then must water clock.The degree of water clock is by axle envelope form or material decision.Packing seal is worst, and mechanical seal is best.But not all medium can adopt mechanical seal.Both made and adopted the pump of mechanical seal neither not have water clock fully.Water clock is befouling environment but also waste material not only, or even valuable material.Media such as strong acid are more serious to metal erosion.As muriatic chlorion, very fast to metal pump corrosion, even stainless steel or titanium material are also warded off.The department that has adopts teflon material pump, but one involves great expense, and its two intensity is low, and historical facts or anecdotes is limited to scope.
The purpose of this utility model is at the deficiency of prior art, to provide a kind of envelope axis flow passage part lining fluorine material not have the leakage corrosion resisting centrifugal pump.
The utility model is realized by following structure.
1, there is not the conveying equipment of leakage
Flexible axle is the envelope axis; The change envelope is quiet envelope, realizes not having wearing and tearing and does not have leakage.Radial bearing and axle sleeve and front and back thrust friction pair all adopt the resin of silicon nitride and impregnated graphite, have high temperature resistant, wear-resisting and decay resistance.
2, corrosion-resistant structure
The utility model is that housing, swivel bearing spare are structure of steel product spare with cast iron, all metal flow passage parts promptly comprise that with medium contact one flow-passing surface of pump case, pump shaft, separation sleeve, interior magnetic assembly, support plate, supporting sleeve all serves as a contrast the fluorine materials such as teflon of pressing 3～5 millimeters thickness.Impeller is a mandrel with logical heart inserts, and is molded with fluorine material horizontal stroke.
Can reach corrosion resistant purpose like this.
Structure shape of the present utility model as shown in drawings, by the pump housing seal, internal rotor, stuffing box gland and connect cover main body and power source four parts and form.Flow passage part all serves as a contrast the fluorine layer.
The structure that the pump housing seals is:
The pump housing (3) docks by seam with support plate (7), seal ring (6), and is fixing with bolt (17).
The structure of internal rotor is:
Pump shaft (19) assemblies internal rotor with fore bearing (16), interior magnetic assembly (12), seal ring (20), back thrust housing (21), preceding thrust ring (18) and impeller (5).
Stuffing box gland with the structure that connects the cover main body is:
Separation sleeve (9) with connect cover (13), rear branching holder (23), rear axle housing bolt (14), be connected and fixed successively.In the separation sleeve (9) is stainless steel outer lining fluorine layer.
The structure of power source is:
Outer magnetic assembly (11) is connected with motor shaft (24).
The surface of all flow passage parts all serves as a contrast presses or spraying lining fluorine layer (4).
The fluorine material is meant teflon, F26, F46 etc.
Working principle of the present utility model is:
Separation sleeve inside and outside magnetic in state of rest penetrates mutually.N, S utmost point piece produce moment of torsion, when electric motor starting outer tape moving in magnetic rotation, so as to realization impeller phase liquid.The characteristic of this structure is, do not having carry-over moment under friction, the contactless state, and all flow passage components definitely are among the totally-enclosed static seal.
The utility model has the advantages that, simple in structure, have the envelope axis, static seal, no leakage point; The flow passage components inner surface lining is pressed the fluorine material; Corrosion-resistant, high temperature resistant.Cost is low, efficient height, long service life.
Accompanying drawing is the utility model structural representation
Thrust housing 22-rear bearing 23-rear axle splicing sleeve 24-motor shaft behind the front thrust ring 19-pump shaft 20-sealing ring 21-of magnetic assembly 13-female connector 14-rear axle housing nut 15-front shaft sleeve 16-fore bearing 17-bolt 18-in the 1-stationary ring 2-rotating ring 3-pump housing 4-lining fluorine layer 5-impeller 6-sealing ring 7-support plate 8-cover hold-down screw 9-separation sleeve 10-sealing ring 11-outer magnetic assembly 12-
Embodiment 1
Adopt structure as shown in drawings, inlet diameter of processing and assembling is 50 millimeters an envelope axis corrosion resistant centrifugal pump, and its necessary electromotor is 112M-2-4 kilowatt.This pump duty be 14.4 cubic metres/time, lift is 32 meters.Stable operation is 27 days.
Embodiment 2
Adopt structure as shown in drawings, inlet diameter of processing and assembling is 80 millimeters an envelope axis corrosion resistant centrifugal pump, and necessary electromotor is 11 kilowatts (secondarys).The flow of this pump be 50 cubic metres/time, 50 meters of lifts.Stable operation is 43 days.
Claims (2)
1, axle bush fluorine centrifugal pump in the envelope is made up of the pump housing, impeller and axle, it is characterized in that conveying equipment is no leakage structure, and flow passage part promptly has lining fluorine layer with the medium contact,
Do not have to leak conveying equipment by the pump housing seal, internal rotor, stuffing box gland overlap main body and power source four parts are formed with connecing,
The pump housing (3) docks by seam with support plate (7), seal ring (6), and is fixing with bolt (17), and constitute the pump housing and seal,
Pump shaft (19) assembles internal rotor with fore bearing (16), interior magnetic assembly (12), seal ring (20), back thrust housing (21), preceding thrust ring (18) and impeller (5),
Separation sleeve (9) with connect cover (13), rear axle block set (23), rear axle housing nut (14), be connected and fixed successively and assemble stuffing box gland and connect the cover main body,
Outer magnetic assembly (11) connects to form power source with motor shaft (24),
Lining fluorine layer structure is that the position that all flow passage parts contact with fed sheet of a media is lined with the fluorine material layer.
2, centrifugal pump according to claim 1 is characterized in that impeller (5) is a mandrel with logical heart inserts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92216119 CN2124329U (en) | 1992-06-05 | 1992-06-05 | Centrifugal pump with seal cartridge centre shaft lined with fluoric compound |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92216119 CN2124329U (en) | 1992-06-05 | 1992-06-05 | Centrifugal pump with seal cartridge centre shaft lined with fluoric compound |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2124329U true CN2124329U (en) | 1992-12-09 |
Family
ID=4960409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92216119 Granted CN2124329U (en) | 1992-06-05 | 1992-06-05 | Centrifugal pump with seal cartridge centre shaft lined with fluoric compound |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2124329U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102410227A (en) * | 2010-09-25 | 2012-04-11 | 太仓顺达磁力泵科技有限公司 | Magnetic pump |
-
1992
- 1992-06-05 CN CN 92216119 patent/CN2124329U/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102410227A (en) * | 2010-09-25 | 2012-04-11 | 太仓顺达磁力泵科技有限公司 | Magnetic pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |