CN2764975Y - Permanent magnet synchronous screen self-priming centrifugal pipeline pump - Google Patents
Permanent magnet synchronous screen self-priming centrifugal pipeline pump Download PDFInfo
- Publication number
- CN2764975Y CN2764975Y CN 200420007819 CN200420007819U CN2764975Y CN 2764975 Y CN2764975 Y CN 2764975Y CN 200420007819 CN200420007819 CN 200420007819 CN 200420007819 U CN200420007819 U CN 200420007819U CN 2764975 Y CN2764975 Y CN 2764975Y
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- pump
- self
- impeller
- motor
- centrifugal pipeline
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Abstract
The utility model relates to a permanent magnetic synchronous shielding self-suction centrifugal pipeline pump, which uses a permanent magnetic synchronous shielding motor 1. An extending shaft of the motor 1 is provided with a positioning check ring 3. A connecting body 2 and the motor 1 are assembled first, the connecting body 2 is provided with a slide bearing 4 inside, an impeller 7 is arranged in a shaft of the motor 1, and the impeller 7 is driven by a key 5 arranged on the shaft of the motor 1, loose preventing nuts 2 of the impeller are arranged, the whole is arranged into a pump body 9 which is provided with a sealing ring 6, and the permanent magnetic synchronous shielding self-suction centrifugal pipeline pump is formed. The pump body 9 is in self-suction centrifugal pipeline structure. An inlet and an outlet of the pump are higher than the impeller 7 and are on one same axial cord. A liquid storing chamber is arranged under a vortex casing of the pump body 9, an air and liquid separating chamber is arranged above the vortex casing, and the bottom of the pump body is provided with a reflux hole. When the pump works, the pump starts to convey liquid normally after self-suction procedure is completed. The utility model adopts a direct connecting mode, the axial dimension of the utility model is shortened, liquid is sealed by the shielding sleeve, the leakage of liquid is thoroughly solved, and the efficiency of a pump set is increased.
Description
Affiliated technical field
The utility model relates to a kind of permanent-magnet synchronous shielding self-priming centrifugal pipeline pump
Background technique
Adopt folder shell-type coupling to be connected between original self-priming centrifugal pipeline pump motor axle and the pump shaft, only need pull down folder shell-type coupling when changing mechanical seal, change mechanical seal comparatively easily, but owing to adopted folder shell-type coupling to drive, axial dimension is big, and pump shaft adopts the sliding bearing location, Location accuracy is low, has quickened the wearing and tearing of mechanical seal during pump work, has reduced working life, adopt mechanical seal simultaneously, can not eliminate the leakage of liquid fully.The domestic magnetic transmission centrifugal pipeline pump that the mechanical sealing of the nothing of adopting is also arranged, but its kind of drive just changes two half-couplings into the internal-external magnetic steel body, by adorning housing between the internal-external magnetic steel body, the axle head of restrictive pump leaks, the magnetic transmission structure pump, exist Location accuracy low equally, problems such as axial dimension is big because housing is housed, cause transmission efficiency low between while internal-external magnetic steel body, therefore, be subjected to the restriction of actual service conditions.
Summary of the invention
The purpose of this utility model provides a kind of permanent-magnet synchronous shielding self-priming centrifugal pipeline pump, be used for petrochemical industry, solve the loading and unloading difficulty that reasons such as liquid evaporation, vaporization and vapour lock cause, and the problems such as leakage of the liquid in the course of conveying, to improve performance driving economy and reliability.
The purpose of this utility model is achieved like this: adopt permanent-magnet synchronous shield electric machine 1, separate by housing between motor 1 rotor and the stator, set a back-up ring 3 on motor 1 projecting shaft, earlier connected body 2 and motor 1 are assembled, sliding bearing 4 is housed in the connected body 2, impeller 7 is packed on 1 in the motor, by key 5 drives impeller 7 that are contained on 1 in the motor, load onto impeller anti-loose nut 8, integral body is packed in the pump housing 9 that seal ring 6 is housed, and forms permanent-magnet synchronous shielding self-priming centrifugal pipeline pump.The pump housing 9 is a self-priming centrifugal pipeline structure, and the import and export of pump are higher than impeller 7, and on same axis, is liquid storage room below the volute in the pump housing 9, and volute is above to be gas-liquid separation chamber, and the bottom has return port.When motor 1 work, the impeller 7 that is contained on 1 in the motor rotates synchronously, under the centrifugal action of high-speed rotating impeller 7, impel interior liquid of liquid storage room and inlet ductwork air mixing, form gas-liquid mixture, when pump housing cut water, scraped, enter gas-liquid separation chamber, the gas after separating is discharged from delivery side of pump, and liquid is deposited in liquid storage room, reflux through return port, participate in the mixing of gas-liquid once more, the circulation of this process is carried out, until the inlet ductwork air is drained, finish the self-priming process, pump begins normal infusion.Part highly pressurised liquid after the pump supercharging, from connected body 2 apertures by the gap between motor 1 rotor and the housing after, through sliding bearing and the sliding bearing 4 of motor 1 end cap, through axially being back to impeller 7 imports to motor 1 end.Liquid cools off and lubricates the sliding bearing and the sliding bearing 4 of shield electric machine 1, motor 1 end.Pump has shortened axial dimension after adopting direct connection greatly, adopts the housing seal fluid, and permanent magnet-shield motor 1 is adopted in the leakage that has thoroughly solved liquid, has improved the efficient of pump group greatly.
Adopt the utility model structure, can be widely used in petrochemical industry chemical-process and general refinery, carry Korrosionsmedium, to improve performance driving economy and reliability.
Description of drawings:
Fig. 1 the utility model permanent-magnet synchronous shielding self-priming centrifugal pipeline pump
Fig. 2 the utility model permanent-magnet synchronous shielding self-priming centrifugal pipeline pump pump body structure
Specific embodiments
Shown in Figure 1, permanent-magnet synchronous shield electric machine 1, set a back-up ring 3 on motor 1 projecting shaft, earlier connected body 2 and motor 1 are assembled, sliding bearing 4 is housed in the connected body 2, impeller 7 is packed on 1 in the motor, by key 5 drives impeller 7 that are contained on 1 in the motor, load onto impeller anti-loose nut 8, in the pump housing 9 of installation tool seal ring 6, form permanent-magnet synchronous shielding self-priming centrifugal pipeline pump in integral body is packed into.Impeller 7 directly is contained on motor 1 projecting shaft, is contained in the pump housing 9 volutes, and impeller 7 imports link to each other with the pump housing 9 imports, and the outlet of the pump housing 9 volutes links to each other with pump discharge.When motor 1 work, the impeller 7 of pump rotates synchronously, under the acting in conjunction of impeller 7 centrifugal force and the pump housing 9, finishes mixing, separation and the backflow of gas-liquid, makes gas or liquid self-absorbing go into pipeline and is transported to export pipeline, reaches the purpose of self-priming and normal infusion.
Shown in Figure 2, the import and export of pump are higher than impeller 7, and on same axis, are liquid storage room below the volute outlet in the pump housing 9, are gas-liquid separation chamber more than the volute outlet, and the bottom has return port, constitutes self-priming centrifugal pipeline pump body structure.
Claims (2)
1. a permanent-magnet synchronous shields self-priming centrifugal pipeline pump, it is characterized in that: adopt permanent-magnet synchronous shield electric machine 1 vertically to install, set a back-up ring 3 on the projecting shaft earlier, motor 1 end cap bottom links to each other with the connected body 2 that sliding bearing 4 is housed, the key 5 positions dress impeller 7 of motor 1 projecting shaft, load onto impeller anti-loose nut 8, adorn on the self-priming centrifugal pipeline pump housing 9 of seal ring 6 in integral body is packed into, impeller 7 is in the pump housing 9 volutes, link to each other with the pump housing 9 by connected body 2 bottoms, form permanent-magnet synchronous shielding self-priming centrifugal pipeline pump.
2. permanent-magnet synchronous shielding self-priming centrifugal pipeline pump according to claim 1, it is characterized in that: pump housing import and export are higher than impeller 7 and on same axis, the pump housing 9 tops are liquid storage room, and the bottom is a gas-liquid separation chamber, the bottom has return port, constitutes the self-priming centrifugal pipeline pump housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420007819 CN2764975Y (en) | 2004-03-06 | 2004-03-06 | Permanent magnet synchronous screen self-priming centrifugal pipeline pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420007819 CN2764975Y (en) | 2004-03-06 | 2004-03-06 | Permanent magnet synchronous screen self-priming centrifugal pipeline pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2764975Y true CN2764975Y (en) | 2006-03-15 |
Family
ID=36167894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420007819 Expired - Fee Related CN2764975Y (en) | 2004-03-06 | 2004-03-06 | Permanent magnet synchronous screen self-priming centrifugal pipeline pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2764975Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104061182A (en) * | 2014-06-04 | 2014-09-24 | 沃德富泵业(无锡)有限公司 | Impeller driving device for piping centrifugal pump |
| CN105909528A (en) * | 2016-07-12 | 2016-08-31 | 合肥新沪屏蔽泵有限公司 | Novel permanent magnetic shielding self-priming pump |
| CN108488076A (en) * | 2018-04-10 | 2018-09-04 | 浙江永发机电有限公司 | Centrifugal pump and permanent magnet synchronous motor corollary apparatus and its monitoring regulation and control method |
-
2004
- 2004-03-06 CN CN 200420007819 patent/CN2764975Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104061182A (en) * | 2014-06-04 | 2014-09-24 | 沃德富泵业(无锡)有限公司 | Impeller driving device for piping centrifugal pump |
| CN105909528A (en) * | 2016-07-12 | 2016-08-31 | 合肥新沪屏蔽泵有限公司 | Novel permanent magnetic shielding self-priming pump |
| CN108488076A (en) * | 2018-04-10 | 2018-09-04 | 浙江永发机电有限公司 | Centrifugal pump and permanent magnet synchronous motor corollary apparatus and its monitoring regulation and control method |
| CN108488076B (en) * | 2018-04-10 | 2024-04-05 | 浙江永发机电有限公司 | Centrifugal pump and permanent magnet synchronous motor matching device and monitoring and regulating method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 |