CN104329262A - Magnetic-drive multilevel radially-splitting symmetrically-arranged self-balancing centrifugal pump - Google Patents
Magnetic-drive multilevel radially-splitting symmetrically-arranged self-balancing centrifugal pump Download PDFInfo
- Publication number
- CN104329262A CN104329262A CN201410595067.4A CN201410595067A CN104329262A CN 104329262 A CN104329262 A CN 104329262A CN 201410595067 A CN201410595067 A CN 201410595067A CN 104329262 A CN104329262 A CN 104329262A
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- China
- Prior art keywords
- pump
- bearing
- suction casing
- end cover
- bearing assembly
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/021—Units comprising pumps and their driving means containing a coupling
- F04D13/024—Units comprising pumps and their driving means containing a coupling a magnetic coupling
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D1/06—Multi-stage pumps
- F04D1/10—Multi-stage pumps with means for changing the flow-path through the stages, e.g. series-parallel, e.g. side loads
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/04—Shafts or bearings, or assemblies thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/043—Shafts
Abstract
The invention relates to a magnetic-drive multilevel radially-splitting symmetrically-arranged self-balancing centrifugal pump. A magnetic-drive device, a pump body part and a sealing end cover are sequentially arranged on the right side of a bearing box body, an outer magnetic rotor assembly is installed on a transmission shaft, and an isolation sleeve is connected with a step surface in a left end hole of a suction section; a locking nut, a stop bearing assembly A, a shaft sleeve A, a shaft sleeve A and a stop bearing assembly A are sequentially arranged on the sealing end cover section of the pump shaft from right to left; a balancing pipe part is respectively connected with the suction section, a secondary suction section and the cavity of the sealing end cover, a cavity of the suction section is communicated with a slide bearing assembly B and a stop bearing assembly B, and a cavity of each of a secondary suction and the sealing end cover is respectively communicated with the slide bearing assembly A and the stop bearing assembly A. The magnetic-drive multilevel radially-splitting symmetrically-arranged self-balancing centrifugal pump is compact in structure, small in size, large in torque, high in magnetic drive efficiency and stable and reliable in running, 100 percent no leakage of a high-lift pump can be guaranteed, the application requirement and the sealing environmental protection requirement of the in-situ working condition can be met, and the service life of the pump can be prolonged.
Description
Technical field
The invention belongs to centrifugal pump technical field, self-balancing centrifugal pump is arranged symmetrically with in particular to the multistage radial subdivision of a kind of magneto drive, it is the contactless soft transmission of a kind of employing magnetic force, sectional type, radial subdivision, impeller is arranged symmetrically with, two ends are provided with sliding bearing and support, centre is provided with the self-balanced multiple-stage centrifugal pump of middle spacer sleeve and middle slip bearing supplemental support, be specially adapted to inflammable, explosive, poisonous, harmful, be corrosive and the conveying of valuable liquid medium, it is chemical industry, oil, refinery, pharmacy, relieving haperacidity, printing and dyeing, carry not containing solid particle in the production procedure in the fields such as food, proportion is not more than 1.84, the desirable environment protection type equipment of the clean liquid that dehvery lift is higher.
Background technique
Current oil, chemical industry, refinery, metallurgical, mine, pharmacy, relieving haperacidity, printing and dyeing, the high-lift petrochemical industry multistage centrifugal pump that the fields such as food use, the working life of its shaft seal is all shorter, not good being easy to of sealing effect produces leakage, and produce for the mechanical seal of high-head pump, it is more difficult to manufacture, and be difficult to the operating mode usage requirement that can meet pump, pumping unit is easy to cause enterprise to produce in process of production can not normal table reliable operation, the production maintenance cost of equipment also can increase a lot, particularly for inflammable, explosive, poisonous, leak during hazardous medium conveying, the severe contamination of environment can be caused, have a strong impact on personal safety, even can produce other serious consequences inconceivable.
Summary of the invention
The object of the invention is to overcome above-described problem, provide the multistage radial subdivision of a kind of magneto drive to be arranged symmetrically with self-balancing centrifugal pump, the leakage problem of its mechanical seal when it can overcome the high-lift liquid of conveying existing for conventional multistage centrifugal pump well.
In order to realize above-mentioned object, this invention takes following technical solution: the multistage radial subdivision of a kind of magneto drive is arranged symmetrically with self-balancing centrifugal pump, comprise motor, joint member, bearing housing, magnetic driving equipment, pump shaft, pump body portion, magnetic driving equipment is made up of link press span, bracket, outer magnetic rotor component, separation sleeve, interior magnetic rotor component; Pump body portion is made up of suction casing, stage casing, middle Spit Section, transition tube, secondary suction casing, balance tube parts, and suction casing is contrary with the impeller inlet direction of secondary suction casing and be arranged symmetrically with; The output shaft of motor is connected with the transmission shaft in bearing housing by joint member, it is characterized in that: described bearing housing is disposed with magnetic driving equipment, pump body portion, end cover to the right, outer magnetic rotor component is arranged on transmission shaft, and separation sleeve is connected with the step surface in suction casing left end hole.
Described pump shaft is disposed with locking nut, thrust bearing component A, axle sleeve A, axle sleeve A, thrust bearing component A from right to left in end cover section, is provided with slide bearing assembly A between axle sleeve A and end cover.
Described transmission shaft is disposed with fore bearing gland, 2 bearings, bearing, rear bearing glands from left to right in bearing housing section, fore bearing gland is connected with bearing housing left side by bolt, and rear bearing gland is connected with the step surface in bearing housing right-hand member hole by bolt.
Described pump shaft is from left to right disposed with locking nut, interior magnetic rotor component, thrust bearing component B, axle sleeve B, axle sleeve B, thrust bearing component B to suction casing, and the outer ring of axle sleeve B is provided with slide bearing assembly B.
Described balance tube parts connect the cavity of suction casing, secondary suction casing, end cover respectively, the cavity of suction casing communicates with slide bearing assembly B, thrust bearing component B, and the cavity of secondary suction casing, end cover all communicates with slide bearing assembly A, thrust bearing component A.
Compact structure of the present invention, volume are little, torque is large, Magnetic drive efficiency is high, stable and reliable operation; Special conveying liquid circulatory flow is adopted to design at two ends sliding bearing and thrust bearing place, the sliding bearing at two ends can be made to obtain sufficient Cooling and Lubricator, the working life of sliding bearing can be ensured like this, again can balanced residue axial force effectively, the eddy current heat produced between interior magnetic rotor component and separation sleeve can also be taken away in time in operation process, gathering can not be formed cause to demagnetize and lost efficacy; Simultaneously one end of pump is furnished with the magnetic driving equipment of the contactless soft transmission of the magnetic force that can transmit enough moments of torsion, bearing housing parts, joint member and drive motor, thus ensure that 100% No leakage of high-head pump, meet usage requirement and the sealing environment protecting requirement of field working conditions, extend the life cycle life-span of pump, apply and there is good economic and social benefit.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of bearing housing of the present invention.
Fig. 3 is the structural representation of pump shaft of the present invention to suction casing.
Fig. 4 is the structural representation of end cover of the present invention.
In figure: 1. motor; 2. joint member; 3. bearing housing; 4. link press span; 5. outer magnetic rotor component; 6. magnetic rotor component in; 7. bracket; 8. suction casing; 9. seal ring A; 10. stator; 11. first stage impellers; 12. stage casings; 13. seal ring B; 14. middle Spit Sections; 15. transition tube; 16. level suction casings; 17. end covers; 18. slide bearing assembly A; 19. axle sleeve A; 20. thrust bearing component A; 21. locking nuts; 22. pump shafts; 23. spacer A; 24. spacer B; 25. final stage stators; 26. Spit Sections; Spacer sleeve in 27.; 28. middle slip bearings; 29. impellers; 30. balance tube parts; 31. guide blade sleeves; 32. separation sleeves; 33. slide bearing assembly B; 34. axle sleeve B; 35. thrust bearing component B; 36. rear bearing glands; 37. transmission shafts; 38. bearings; 39. fore bearing glands.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
The multistage radial subdivision of a kind of magneto drive is arranged symmetrically with self-balancing centrifugal pump, comprise motor 1, joint member 2, bearing housing 3, magnetic driving equipment, pump shaft 22, pump body portion, magnetic driving equipment is made up of link press span 4, bracket 7, outer magnetic rotor component 5, separation sleeve 32, interior magnetic rotor component 6; Pump body portion is made up of suction casing 8, stage casing 12, middle Spit Section 14, transition tube 15, secondary suction casing 16, balance tube parts 30, and suction casing 8 is contrary with the impeller inlet direction of secondary suction casing 16 and be arranged symmetrically with; The output shaft of motor 1 is connected with the transmission shaft 37 in bearing housing 3 by joint member 2, described bearing housing 3 is disposed with magnetic driving equipment, pump body portion, end cover 17 to the right, outer magnetic rotor component 5 is arranged on transmission shaft 37, and separation sleeve 32 is connected with the step surface in suction casing 8 left end hole; Described pump shaft 22 is disposed with locking nut 21, thrust bearing component A20, axle sleeve A19, axle sleeve A19, thrust bearing component A20 from right to left end cover 17 sections, is provided with slide bearing assembly A18 between axle sleeve A19 and end cover 17; Described transmission shaft 37 is disposed with fore bearing gland 39,2 bearings 38, bearing 38, rear bearing glands 36 from left to right bearing housing 3 sections, fore bearing gland 39 is connected with bearing housing 3 left side by bolt, and rear bearing gland 36 is connected with the step surface in bearing housing 3 right-hand member hole by bolt; Described pump shaft 22 is from left to right disposed with locking nut, interior magnetic rotor component 6, thrust bearing component B35, axle sleeve B34, axle sleeve B34, thrust bearing component B35 to suction casing 8, and the outer ring of axle sleeve B34 is provided with slide bearing assembly B33; Described balance tube parts 30 connect the cavity of suction casing 8, secondary suction casing 16, end cover 17 respectively, the cavity of suction casing 8 communicates with slide bearing assembly B33, thrust bearing component B35, and the cavity of secondary suction casing 16, end cover 17 all communicates with slide bearing assembly A18, thrust bearing component A20.
During concrete enforcement, 1), by middle slip bearing 28 to load in Spit Section 26 and fastening, middle spacer sleeve 27 to be contained on pump shaft 22 behind corresponding position together with in the hole of pump shaft 22 loading middle slip bearing 28; 2) on the left side of pump shaft 22, load onto stator (dextrorotation) 10, impeller (dextrorotation) 29, stage casing 12, stator (dextrorotation) 10, impeller (dextrorotation) 29, stage casing 12, stator (dextrorotation) 10, first stage impeller 11 successively, the suction casing 8 of slide bearing assembly B33 is housed; 3), final stage stator 25, impeller (derotation) 29, stage casing 12, stator (derotation) 10, impeller (derotation) 29, stage casing 12, stator (derotation) 10, impeller (derotation) 29, secondary suction casing 16 successively on the right side of pump shaft 22, penetrate in the hole of the turnbuckle in suction casing 8, Spit Section 26 and secondary suction casing 16 respectively with the turnbuckle of respective numbers, the fastening piece of two ends correspondence carries out fastening and locks; 4), on the pump shaft 22 of secondary suction casing 16 side, spacer B24, spacer A23, thrust bearing component A20, axle sleeve A19, axle sleeve A19, thrust bearing component A20 is loaded successively, carry out fastening locking with locking nut 21, the end cover 17 that slide bearing assembly A18 is housed is connected with secondary suction casing 16 bolt and fastening piece thereof; 5), on the pump shaft 22 of suction casing 8 side, spacer B24, thrust bearing B35, axle sleeve B34, axle sleeve B34, thrust bearing B35, interior magnetic rotor component 6 is loaded successively, fastening locking is carried out with locking nut 21, suction casing 8 is loaded onto separation sleeve gasket seal and separation sleeve 32 screw fastening respectively, and bracket 7 bolt and fastening piece thereof carry out fastening; 6), the bearings at both ends gear of transmission shaft 37 is put load onto bearing 38 respectively, reinstall in the bearing hole of bearing housing 3, load onto fore bearing gland 39 and dust pan also use screw fastening at twin shaft socket end, load onto rear bearing gland 36 and dust pan also use screw fastening at single shaft socket end; 7), load onto link press span 4 and use screw fastening, load onto outer magnetic rotor component 5 pressing plate and screw in compression, then bearing housing 3 and bracket 7 with link press span 4 and outer magnetic rotor component 5 are carried out being connected fastening with bolt and fastening piece thereof, be connected by joint member 2 with between motor 1, mix base; 8), between suction casing 8 and secondary suction casing 16 load onto balance tube parts 30, load onto transition tube 15 between Spit Section 26 and secondary suction casing 16 and carry out fastening locking with bolt and fastening piece thereof, namely complete machine assembles complete.
The multistage radial subdivision of this magneto drive is arranged symmetrically with self-balancing centrifugal pump design proposal, has the feature of following several respects:
1. replace the dynamic seal (packing) of mechanical seal pattern with the static sealing of gasket seal pattern, make flow passage components be in by the state sealed completely, 100% No leakage can be accomplished;
2. adopt impeller shaft to the structural type be arranged symmetrically with, the axial force of petrochemical process pump can be made to obtain autobalance; Two ends are respectively equipped with sliding bearing and support, centre is also provided with middle spacer sleeve and middle slip bearing supplemental support, decrease sliding bearing and thrust bearing reduces its life cycle life-span because bearing axial force, improve operation stability and the reliability of pump, thus extend the life cycle life-span of pump;
3. adopt the magnetic driving equipment of extraordinary intensity, magneticfocusing, push-and-pull flux coupled, there is compact structure, volume is little, torque is large, the advantage such as Magnetic drive efficiency is high, stable and reliable operation;
4. adopt the structure of axially symmetric radial subdivision sectional type, the impeller of both sides, Spit Section adopts axially symmetric distribution, the middle transition tube that adopts carries out transition connection, can the at utmost axial force that produces in running of ballast pump, the stator of every grade is also symmetrically distributed balancing axial thrust in addition, ensure that pump at a high speed, can safe and stable operation under heavy load;
5. adopt special fed sheet of a media circulatory flow design at two ends sliding bearing and thrust bearing place, runner is the impeller inlet (introducing which grade impeller inlet to need to carry out calculating and designing according to working condition and concrete structure) guiding to time suction casing from the outlet port of high pressure, the sliding bearing at two ends can be made like this to obtain sufficient Cooling and Lubricator, ensure the working life in cycle of sliding bearing, again can balanced residue axial force effectively, and the air resistance energy of pump can be improved, the eddy current heat produced between interior magnetic rotor component and separation sleeve can also be taken away in time in operation process, can not form gathering causes demagnetization to lose efficacy.
Claims (5)
1. the multistage radial subdivision of magneto drive is arranged symmetrically with self-balancing centrifugal pump, comprise motor (1), joint member (2), bearing housing (3), magnetic driving equipment, pump body portion, magnetic driving equipment is made up of link press span (4), bracket (7), outer magnetic rotor component (5), separation sleeve (32), interior magnetic rotor component (6), and outer magnetic rotor component (5) is arranged on transmission shaft (37); Pump body portion is made up of pump shaft (22), suction casing (8), stage casing (12), middle Spit Section (14), transition tube (15), secondary suction casing (16), balance tube parts (30), and suction casing (8) is contrary with the impeller inlet direction of secondary suction casing (16) and be arranged symmetrically with; The output shaft of motor (1) is connected with the transmission shaft (37) in bearing housing (3) by joint member (2), it is characterized in that: described bearing housing (3) is disposed with magnetic driving equipment, pump body portion, end cover (17) to the right, and separation sleeve (32) is connected with the step surface in suction casing (8) left end hole.
2. the multistage radial subdivision of a kind of magneto drive according to claim 1 is arranged symmetrically with self-balancing centrifugal pump, it is characterized in that: described pump shaft (22) is disposed with locking nut (21), thrust bearing component A(20 from right to left in end cover (17) section), axle sleeve A(19), axle sleeve A(19), thrust bearing component A(20), axle sleeve A(19) and end cover (17) between be provided with slide bearing assembly A(18).
3. the multistage radial subdivision of a kind of magneto drive according to claim 1 is arranged symmetrically with self-balancing centrifugal pump, it is characterized in that: described transmission shaft (37) is disposed with fore bearing gland (39), 2 bearings (38), bearing (38), rear bearing gland (36) from left to right in bearing housing (3) section, fore bearing gland (39) is connected with bearing housing (3) left side by bolt, and rear bearing gland (36) is connected with the step surface in bearing housing (3) right-hand member hole by bolt.
4. the multistage radial subdivision of a kind of magneto drive according to claim 1 is arranged symmetrically with self-balancing centrifugal pump, it is characterized in that: described pump shaft (22) is from left to right disposed with locking nut, interior magnetic rotor component (6), thrust bearing component B(35 to suction casing (8)), axle sleeve B(34), axle sleeve B(34), thrust bearing component B(35), axle sleeve B(34) outer ring be provided with slide bearing assembly B(33).
5. the multistage radial subdivision of a kind of magneto drive according to claim 1 is arranged symmetrically with self-balancing centrifugal pump, it is characterized in that: described balance tube parts (30) connect the cavity of suction casing (8), secondary suction casing (16), end cover (17) respectively, cavity and the slide bearing assembly B(33 of suction casing (8)), thrust bearing component B(35) communicate, the cavity of secondary suction casing (16), end cover (17) all with slide bearing assembly A(18), thrust bearing component A(20) communicate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410595067.4A CN104329262A (en) | 2014-10-30 | 2014-10-30 | Magnetic-drive multilevel radially-splitting symmetrically-arranged self-balancing centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410595067.4A CN104329262A (en) | 2014-10-30 | 2014-10-30 | Magnetic-drive multilevel radially-splitting symmetrically-arranged self-balancing centrifugal pump |
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| Publication Number | Publication Date |
|---|---|
| CN104329262A true CN104329262A (en) | 2015-02-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410595067.4A Pending CN104329262A (en) | 2014-10-30 | 2014-10-30 | Magnetic-drive multilevel radially-splitting symmetrically-arranged self-balancing centrifugal pump |
Country Status (1)
| Country | Link |
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| CN (1) | CN104329262A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106089791A (en) * | 2016-08-10 | 2016-11-09 | 石家庄金士顿轴承科技有限公司 | A kind of automobile purification pump module using foil dynamical pressure air bearing to support |
| CN110274028A (en) * | 2019-05-20 | 2019-09-24 | 清华大学 | A kind of magnetic coupling transmission device for sealing magnetic fluid |
| CN113417863A (en) * | 2021-07-30 | 2021-09-21 | 沈阳通达水泵制造有限公司 | Short cantilever sealed built-in self-balancing centrifugal pump |
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| US20050142003A1 (en) * | 2003-12-30 | 2005-06-30 | Hembree Richard D. | Hydraulic balancing magnetically driven centrifugal pump |
| CN201148979Y (en) * | 2007-12-17 | 2008-11-12 | 杭州大路实业有限公司 | Axial force self-balanced type magnetic transmission multiple stage centrifugal pump |
| CN201420678Y (en) * | 2009-04-30 | 2010-03-10 | 杭州大路实业有限公司 | Multistage magnetic pump |
| CN202612120U (en) * | 2012-04-19 | 2012-12-19 | 江苏克劳斯重工股份有限公司 | Symmetrical radial split-type magnetic drive pump |
| CN103615405A (en) * | 2013-11-25 | 2014-03-05 | 丹东克隆先锋泵业有限公司 | Magnetic-force-driven multi-stage pump with double rotors |
| CN204226215U (en) * | 2014-10-30 | 2015-03-25 | 江苏海天泵阀制造有限公司 | The multistage radial subdivision of magneto drive is arranged symmetrically with self-balancing centrifugal pump |
-
2014
- 2014-10-30 CN CN201410595067.4A patent/CN104329262A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050142003A1 (en) * | 2003-12-30 | 2005-06-30 | Hembree Richard D. | Hydraulic balancing magnetically driven centrifugal pump |
| CN201148979Y (en) * | 2007-12-17 | 2008-11-12 | 杭州大路实业有限公司 | Axial force self-balanced type magnetic transmission multiple stage centrifugal pump |
| CN201420678Y (en) * | 2009-04-30 | 2010-03-10 | 杭州大路实业有限公司 | Multistage magnetic pump |
| CN202612120U (en) * | 2012-04-19 | 2012-12-19 | 江苏克劳斯重工股份有限公司 | Symmetrical radial split-type magnetic drive pump |
| CN103615405A (en) * | 2013-11-25 | 2014-03-05 | 丹东克隆先锋泵业有限公司 | Magnetic-force-driven multi-stage pump with double rotors |
| CN204226215U (en) * | 2014-10-30 | 2015-03-25 | 江苏海天泵阀制造有限公司 | The multistage radial subdivision of magneto drive is arranged symmetrically with self-balancing centrifugal pump |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106089791A (en) * | 2016-08-10 | 2016-11-09 | 石家庄金士顿轴承科技有限公司 | A kind of automobile purification pump module using foil dynamical pressure air bearing to support |
| CN110274028A (en) * | 2019-05-20 | 2019-09-24 | 清华大学 | A kind of magnetic coupling transmission device for sealing magnetic fluid |
| CN113417863A (en) * | 2021-07-30 | 2021-09-21 | 沈阳通达水泵制造有限公司 | Short cantilever sealed built-in self-balancing centrifugal pump |
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Application publication date: 20150204 |
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