CN201228659Y - Horizontal single-stage self-suction centrifugal pump - Google Patents
Horizontal single-stage self-suction centrifugal pump Download PDFInfo
- Publication number
- CN201228659Y CN201228659Y CNU2008200408307U CN200820040830U CN201228659Y CN 201228659 Y CN201228659 Y CN 201228659Y CN U2008200408307 U CNU2008200408307 U CN U2008200408307U CN 200820040830 U CN200820040830 U CN 200820040830U CN 201228659 Y CN201228659 Y CN 201228659Y
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- China
- Prior art keywords
- pump
- horizontal single
- stage self
- centrifugal pump
- priming centrifugal
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Abstract
The utility model discloses a horizontal single-stage self-priming centrifugal pump comprising a pump body, a pump rear cover, a bearing element, blades, a rotator component assembly, an electric motor and the like, wherein the rotator component comprises a pump spindle and a bearing, one end of the pump spindle is connected with the blades, the other end is connected with the electric motor via a coupler, and the end portion of the pump spindle is equipped with a mechanical sealing component near the blades. The horizontal single-stage self-priming centrifugal pump can effectively solve the technical problems that large flux and high pump head pumps which utilize high-pressure water seal is easy to leak, and simultaneously has the advantages of high self-priming function, high pump head, simple structural design of the pump, stable operation, convenient maintenance, high efficiency, long service life and the like.
Description
Technical field
The utility model belongs to machinery confession, drainage equipment, specifically, relates to a kind of horizontal single-stage self-priming centrifugal pump.
Background technique
At present, horizontal single-stage self-priming pump is applicable to industrial and mineral enterprises and institutions such as boats and ships, building, fire-fighting, chemical industry, pharmacy, environmental protection, and confession, draining be usefulness only, Applicable scope and of many uses; Can provide the pump of unlike material according to the liquid difference of user's request or fed sheet of a media.
In the prior art, horizontal single-stage self-priming centrifugal pump is when design, adopt the machine envelope mode of multistage discrete component combination, make horizontal single-stage self-priming centrifugal pump project organization of the prior art unreasonable, cause technical problems such as big flow in the horizontal single-stage self-priming centrifugal pump, the easy leakage of high-head pump high pressure water sealing, cause the self-priming pump performance characteristics that flow loss is big when work, lift is on the low side.
The model utility content
The utility model provides a kind of and can make horizontal single-stage self-priming centrifugal pump project organization of the prior art reasonable for solving the problems of the technologies described above, big flow, the sealing of high-head pump high pressure water are not easy to leak in the horizontal single-stage self-priming centrifugal pump, make the self-priming pump a kind of horizontal single-stage self-priming centrifugal pump that flow loss is less, lift is high when work.
Technical conceive of the present utility model is, the machine envelope part of the horizontal single-stage self-priming centrifugal pump of prior art is improved, and is designed to integral structure, and utilizes impeller equilibrirm water pressure, and the machine envelope is carried out from flushing and regulated automatically.
Technological scheme provided by the utility model is, a kind of horizontal single-stage self-priming centrifugal pump, comprise the pump housing, pump postoperculum, bearing support, blade, rotor part assembly, motor etc., described rotor part comprises pump shaft and bearing, described pump shaft one end links to each other with described blade, the other end links to each other with described motor by the coupling parts, is provided with mechanical sealing assembly at described pump shaft in the end near blade.
Described mechanical sealing assembly comprises adjusts circle, mechanical seal and machine sealed cover, and described adjustment circle, mechanical seal and machine sealed cover are arranged on the described pump shaft successively, and described mechanical seal directly is sleeved on the described pump shaft, and described adjustment circle is adjusted circle for floating.
Described rotor part assembly mounting arrangements is in the bearing support bearing chamber.
Described pump postoperculum and described bearing support are made as one, form integral structure.
Described coupling is the claw coupling parts.
Adopt technological scheme provided by the utility model, can effectively solve technical problems such as big flow in the horizontal single-stage self-priming centrifugal pump, the easy leakage of high-head pump high pressure water sealing, simultaneously, a kind of horizontal single-stage self-priming centrifugal pump provided by the utility model, has stronger self-absorption function, high-lift, the structure of pump design is simple and direct, operates steadily during work, easy to maintenance, advantages such as efficient is high, long service life; Only need to inject in the pump housing before pump work and quantitatively draw liquid and get final product, (later priming pump needn't reinject and draw liquid) so simplified pipe-line system improved working condition again.
Figure of description
Fig. 1 is the utility model structural representation;
Wherein, 1. the water inlet short tube, 2. the pump housing, 3 impellers, 4. the water outlet short tube, 5. bearing support, 6. adjust circle, 7. mechanical seal, 8. machine sealed cover, 9. rotor part, 10. oil sealing, 11. supports, 12. coupling, 13. motors, 14. bases.
Embodiment
As shown in Figure 1, a kind of horizontal single-stage self-priming centrifugal pump provided by the utility model, comprise the pump housing 2, pump postoperculum, bearing support 5, blade, rotor part 9 assemblies, motor 13 etc., described rotor part 9 comprises pump shaft and bearing, described pump shaft one end links to each other with described blade, the other end links to each other with described motor 13 by coupling 12 parts, is provided with mechanical seal 7 assemblies at described pump shaft in the end near blade; Described mechanical seal 7 assemblies comprise adjusts circle 6, mechanical seal 7 and machine sealed cover 8, described adjustment circle 6, mechanical seal 7 and machine sealed cover 8 are arranged on the described pump shaft successively, described mechanical seal 7 directly is sleeved on the described pump shaft, and described adjustment circle 6 is adjusted circle 6 for floating; Described rotor part 9 assembly mounting arrangements are in bearing support 5 bearing chambers; Described pump postoperculum and described bearing support 5 are made as one, form integral structure; Described coupling 12 is claw coupling 12 parts.
The installation process of technological scheme that the utility model provides is as follows:
This pump adopts axial sucking type to return the pump housing 2 structures of liquid, and the short tube 1 of will intaking, water outlet short tube 4 usefulness bolts are connected on the pump housing 2; Rotor part 9 assemblies (pump shaft, bearing) are installed in bearing support 5 bearing chambers, and end fitting machine sealed cover 8 is loaded onto mechanical seal 7 and is adjusted circle 6 on rotor part 9 pump shafts, installs impeller 3 usefulness keys connection end and tightens with cap nut; The rotor that assembles is installed on the pump housing 2 with bearing support 5 parts is connected with bolt, mounting bracket 11 is with bearing support 5 usefulness bolt, at axle head installation claw coupling 12 parts, the end that connects an end of claw coupling at the described pump housing is provided with oil sealing 10, pump assembly is installed on the base 14, motor 13 is installed at last.
The working procedure of technological scheme that the utility model provides is as follows
Behind the pump normal starting, impeller 3 sucks the liquid in the pump housing 2 suction chambers and the air of suction line together, and in impeller 3, mix fully, under action of centrifugal force, liquid entrainment gas and is entered gas-liquid separation chamber, because flow velocity reduces suddenly, lighter gas is separated from mix gas-liquid, gas is discharged by discharge opening, liquid after the degassing is got back to liquid storage room, and enters impeller 3 again by return port, mixes once more with the gas-liquid that impeller 3 sucks from suction line, under impeller 3 effects of high speed rotating, gas-liquid flows to outer rim again.Along with this process is carried out again and again, the air in the suction line is constantly reduced, up to exhaustion gas, finish the self-priming process, the pump proper functioning.
The application of single channel back opening door structure provided by the utility model on the single-stage self-priming pump
In the pump design process, at the self-priming pump performance characteristics that flow loss is big when working, lift is on the low side, partly adopted external dynamical water pump to touch type to pump waterpower, optimal design, develop big flow, high-lift marine pump, effectively control radial force and axial force and increased, thereby effectively controlled the air horsepower increase, reduced the pump working load;
The correlation technique that my unit designs according to domestic and international water pump; Digestion, absorb, improve, to machine envelope partial design is no axle sleeve, setting up floats adjusts circle 6, utilize impeller 3 equilibrirm water pressure, the machine envelope is carried out from flushing and automatic the adjusting, pump postoperculum and bearing support 5 are designed to whole a manufacturing, be applied in the application in practice of Procedure of Single-channel Pump, and solved big flow in the single-stage self-priming pump, the relevant professional technique difficult problem that the sealing of high-head pump high pressure water is leaked easily, successfully apply in the high-lift single-stage self-priming of the newly-designed CZX type marine centrifugal pump project, efficiently solve the axial force and the sealing problem that produce when pump turns round under the big flow status, effectively reduce the air horsepower loss, alleviated the vibrations and the noise that produce when pump turns round under the big flow.The big flow of trial-produceing successfully, high-lift one-stage centrifugal formula self-priming pump, every technical performance parameter has all reached technical standard, has passed through professional detection, has obtained CCS ship inspection authentication; Product adaptation the demand in market.Technological scheme provided by the utility model can play the purpose of energy-conservation, consumption reduction, environmental protection, can create bigger society and economic benefit.
Claims (5)
1, a kind of horizontal single-stage self-priming centrifugal pump, comprise the pump housing (2), pump postoperculum, bearing support (5), blade, rotor part (9) assembly, motor (13) etc., described rotor part (9) comprises pump shaft and bearing, described pump shaft one end links to each other with described blade, the other end links to each other with described motor (13) by coupling (12) parts, it is characterized in that, be provided with mechanical seal (7) assembly in end near blade at described pump shaft.
2, a kind of horizontal single-stage self-priming centrifugal pump according to claim 1, it is characterized in that, described mechanical seal (7) assembly comprises adjusts circle (6), mechanical seal (7) and machine sealed cover (8), described adjustment circle (6), mechanical seal (7) and machine sealed cover (8) are arranged on the described pump shaft successively, described mechanical seal (7) directly is sleeved on the described pump shaft, and described adjustment circle (6) is adjusted circle (6) for floating.
3, a kind of horizontal single-stage self-priming centrifugal pump according to claim 2 is characterized in that, described rotor part (9) assembly mounting arrangements is in bearing support (5) bearing chamber.
4, according to each described a kind of horizontal single-stage self-priming centrifugal pump of claim 1-3, it is characterized in that described pump postoperculum and described bearing support (5) are made as one, form integral structure.
5, a kind of horizontal single-stage self-priming centrifugal pump according to claim 4 is characterized in that, described coupling (12) is claw coupling (12) parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200408307U CN201228659Y (en) | 2008-07-14 | 2008-07-14 | Horizontal single-stage self-suction centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200408307U CN201228659Y (en) | 2008-07-14 | 2008-07-14 | Horizontal single-stage self-suction centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201228659Y true CN201228659Y (en) | 2009-04-29 |
Family
ID=40633610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200408307U Expired - Fee Related CN201228659Y (en) | 2008-07-14 | 2008-07-14 | Horizontal single-stage self-suction centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201228659Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103133354A (en) * | 2011-11-22 | 2013-06-05 | 上海连成（集团）有限公司 | Novel direct-connected single-stage pump |
| CN104564826A (en) * | 2014-12-24 | 2015-04-29 | 安徽南方化工泵业有限公司 | Pump body structure of eccentric pump with self-absorption structure |
| CN104564773A (en) * | 2014-12-24 | 2015-04-29 | 安徽南方化工泵业有限公司 | Pump shaft installing structure of eccentric pump with self-absorption structure |
| CN104564696A (en) * | 2014-12-24 | 2015-04-29 | 安徽南方化工泵业有限公司 | Eccentric pump with self-absorption structure |
| CN104632692A (en) * | 2014-12-24 | 2015-05-20 | 安徽南方化工泵业有限公司 | Sealing structure of self-priming structure centrifugal pump |
-
2008
- 2008-07-14 CN CNU2008200408307U patent/CN201228659Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103133354A (en) * | 2011-11-22 | 2013-06-05 | 上海连成（集团）有限公司 | Novel direct-connected single-stage pump |
| CN104564826A (en) * | 2014-12-24 | 2015-04-29 | 安徽南方化工泵业有限公司 | Pump body structure of eccentric pump with self-absorption structure |
| CN104564773A (en) * | 2014-12-24 | 2015-04-29 | 安徽南方化工泵业有限公司 | Pump shaft installing structure of eccentric pump with self-absorption structure |
| CN104564696A (en) * | 2014-12-24 | 2015-04-29 | 安徽南方化工泵业有限公司 | Eccentric pump with self-absorption structure |
| CN104632692A (en) * | 2014-12-24 | 2015-05-20 | 安徽南方化工泵业有限公司 | Sealing structure of self-priming structure centrifugal pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090429 Termination date: 20110714 |