CN203978861U - A kind of riser Multistage magnetic pump - Google Patents
A kind of riser Multistage magnetic pump Download PDFInfo
- Publication number
- CN203978861U CN203978861U CN201420344345.4U CN201420344345U CN203978861U CN 203978861 U CN203978861 U CN 203978861U CN 201420344345 U CN201420344345 U CN 201420344345U CN 203978861 U CN203978861 U CN 203978861U
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- CN
- China
- Prior art keywords
- magnet rotor
- riser
- separation sleeve
- magnetic pump
- multistage magnetic
- 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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Abstract
The utility model provides a kind of riser Multistage magnetic pump, comprise drive part, overcurrent part, described flow passage is divided into vertical structure, described drive part comprises outer magnet rotor, separation sleeve, interior magnet rotor, link press span, rolling bearing, live axle, bearing support, described live axle is fixed on bearing support by rolling bearing, described outer magnet rotor is fixed on live axle, the upper bearing (metal) section of described separation sleeve and overcurrent part is tightly connected, and described interior magnet rotor is placed in separation sleeve inside and is fixedly connected with the main shaft of overcurrent part.It between the interior magnet rotor of drive part of the present utility model, outer magnet rotor, is magneto drive, the outer magnet rotor rotation of motoring, magnet rotor rotation in magnetic force drives through separation sleeve, interior magnet rotor does work by main shaft impeller, liquid is sealed in the space of separation sleeve and pump composition, completely without leaking.Simultaneously overcurrent part still adopts vertical structure, has advantages of compact structure, noise is low, floor space is little.
Description
Technical field
The utility model relates to a kind of fluid machinery, refers in particular to a kind of riser Multistage magnetic pump.
Background technique
Magnetic drive pump adopts magnetic drives, and thoroughly solve Pump Shaft Seal and leaked and leak the pollution problem causing, and simple in structure, operation maintenance is convenient.Along with the raising of scientific and technological progress and people's environmental consciousness, its application will be more and more wider, be specially adapted to the fields such as petrochemical industry, national defence, pharmacy, food.Car and boat, field of petrochemical industry require pump without leaking, flow is little, lift is high, compact structure, floor space are little.Conventional magnetic drive pump is difficult to meet this application requirements, DL type MODEL VERTICAL MULTISTAGE PUMP on market has compact structure, noise is low, floor space is little, can reach the features such as very high lift by increasing progression, but owing to adopting mechanical seal, unavoidably can produce leakage.
Model utility content
For addressing the above problem, the purpose of this utility model is to provide a kind of riser Multistage magnetic pump, to meet car and boat, field of petrochemical industry pump fed sheet of a media completely without leakage, compact structure, requirement that floor space is little.
The technical solution adopted in the utility model is as follows:
A kind of riser Multistage magnetic pump, comprise drive part, overcurrent part, described flow passage is divided into vertical structure, it is characterized in that, described drive part comprises outer magnet rotor, separation sleeve, interior magnet rotor, link press span, rolling bearing, live axle, bearing support, described live axle is fixed on bearing support by rolling bearing, described outer magnet rotor is fixed on live axle, the upper bearing (metal) section of described separation sleeve and overcurrent part is tightly connected, and described interior magnet rotor is placed in separation sleeve inside and is fixedly connected with the main shaft of overcurrent part.
Preferably, the changeover portion of described overcurrent part has multiple forward runners and multiple reverse runner, described forward runner intersects mutually with the reverse runner of runner and at the circumferential alternative arrangement of described changeover portion, the outside of described forward runner and reverse runner is provided with flange plate and is connected with outer cylinder body.
Preferably, the lower end intake impeller group of described overcurrent part, upper end intake impeller group adopt back-to-back mode to arrange.
Preferably, the part axial portions that described main shaft is connected with interior magnet rotor is provided with axis hole, between described upper bearing (metal) section and the suction flange of the pump housing, external circulation line is set.
Preferably, the material of described separation sleeve is TC
4titanium alloy.
Preferably, described interior magnet rotor, outer magnet rotor adopt combined close to draw and push away magnetic circuit.
Preferably, on described external circulation line, be also provided with flow control valve, pressure gauge, flowmeter.
Preferably, between described separation sleeve and upper bearing (metal) section, be provided with seal ring.
Riser Multistage magnetic pump described in the utility model, it between the interior magnet rotor of its drive part, outer magnet rotor, is magneto drive, the outer magnet rotor rotation of motoring, magnet rotor rotation in magnetic force drives through separation sleeve, interior magnet rotor does work by main shaft impeller, liquid is sealed in the space of separation sleeve and pump composition, has avoided conventional ADS driving device and overcurrent part because of the leakage that sealing causes, and can realize complete in leaking.Simultaneously overcurrent part still adopts vertical structure, has inherited traditional vertical Multi-stage pump structure compactness, noise is low, floor space is little advantage.
For the larger problem of startup inertia of avoiding mazy type balancing drum to bring, lower end intake impeller group, upper end intake impeller group are arranged balancing axial thrust back-to-back, from importer to seeing that lower end intake impeller group is for being rotated counterclockwise, upper end intake impeller group turns clockwise.The utility model has designed special transition runner and has connected two groups of impellers of arranging back-to-back, and changeover portion has two groups and flows to contrary cross-channel, and cross-channel outside is provided with flange plate and is connected with outer cylinder body.In the acting process of fluid, the space that liquid enters outer cylinder body and stage casing composition through lower end intake impeller group supercharging through the forward runner group water conservancy diversion of changeover portion flows into upper end intake impeller group again; Liquid continues supercharging through upper end intake impeller group and again enters by the reverse runner group of changeover portion the space that outer cylinder body and stage casing form again, finally by the outlet(discharge) flange outflow of the pump housing.In liquid pressurization, change flow direction by two groups of changeover portion reverse cross transition runners, thereby realized, two groups of impellers are arranged back-to-back and pump is imported and exported on same straight line, have reached balancing axial thrust and pipeline mounting arrangements object easily.
The part axial portions being connected with interior magnet rotor at described main shaft is provided with axis hole, between described upper bearing (metal) section and the suction flange of the pump housing, external circulation line is set.Axis hole, interior magnet rotor and separation sleeve gap, external circulation line form cooling circuit, and in highly pressurised liquid is imported by axis hole, eddy-current heating is taken away in magnet rotor and separation sleeve gap, then imports pump intake by external circulation line.The monitoring such as flow control valve, pressure gauge, flowmeter can be set on external circulation line and regulate cooling flow.
Brief description of the drawings
Fig. 1 is the structural drawing of riser Multistage magnetic pump described in the utility model.
Fig. 2 is the flow path schematic diagram of described overcurrent part internal flow.
In figure:
1. the pump housing, 2. lower end intake impeller group, 3. lower bearing section, 4. thrust disc, 5. sliding bearing, 6. changeover portion, 7. external circulation line, 8. upper end intake impeller group, 9. screw, 10. stator, 11. main shafts, 12. outer cylinder bodies, 13. stage casings, 14. upper bearing (metal) sections, 15. interior magnet rotors, 16. separation sleeves, 17. outer magnet rotors, 18. bearing supports, 19. link press spans, 20. axis holes, 21. rolling bearings, 22. live axles.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, the utility model is further described, but protection domain of the present utility model is not limited to this.
As shown in Figure 1, riser Multistage magnetic pump described in the utility model, comprises drive part, overcurrent part.Described flow passage is divided into vertical structure, has the suction flange, the outlet(discharge) flange that are located along the same line on the pump housing 1, is positioned at the bottom of pump.Main shaft 11 is arranged vertically, lower end intake impeller group 2, upper end intake impeller group 8 are housed on main shaft 11, the first stage impeller of lower end impeller sets 2 is connected spacing by screw 9 with pump shaft, lower end intake impeller group 2, upper end intake impeller group 8 are arranged back-to-back, from importer to seeing that lower end intake impeller group 2 is for being rotated counterclockwise, upper end intake impeller group 8 turns clockwise.Between lower end intake impeller group 2, upper end intake impeller group 8, be provided with changeover portion 6, described changeover portion 6 has multiple forward runners and multiple reverse runner, described forward runner intersects mutually with the reverse runner of runner and at the circumferential alternative arrangement of described changeover portion, the outside of described forward runner and reverse runner is provided with flange plate and is connected with outer cylinder body 12.Outer cylinder body 12 is bolted with upper bearing (metal) section 14, the pump housing 1 respectively.After every grade of impeller, connect radially stator 10 water conservancy diversion, chopped-off head radially connects lower bearing section 3 after stator 10, other radially stator 10 compressed by stage casing 13, between each stage casing 13 by being threaded.Rotor-support-foundation system carries out respectively radial support and axial limiting by upper and lower two sliding bearings 5 and thrust disc 4.Described drive part comprises outer magnet rotor 17, separation sleeve 16, interior magnet rotor 15, link press span 19, rolling bearing 21, live axle 22, bearing support 18, and described interior magnet rotor 15, outer magnet rotor 17 adopt combined close to draw and push away magnetic circuit.Described live axle 22 is fixed on bearing support 18 by rolling bearing 21, and described outer magnet rotor 17 is fixed on live axle 22.The material of described separation sleeve 16 is TC
4titanium alloy, described separation sleeve 16 and upper bearing (metal) section 14 be tightly connected, described interior magnet rotor 15 is placed in separation sleeve 16 inside and is fixedly connected with the main shaft 11 of overcurrent part.
In the time of work, the outer magnet rotor 17 of motoring rotates, and magnetic force passes separation sleeve 16 and drives interior magnet rotor 15 to rotate, and interior magnet rotor 15 is by main shaft 11 impeller actings, and liquid is sealed in the space of separation sleeve 16 and pump composition, and realization is completely without leakage.Lower end intake impeller group 2, upper end intake impeller group 8 arrange back-to-back, and the rotary inertia while having reduced to start, has realized axial force self-balancing.In the acting process of fluid, liquid enters outer cylinder body 12 through lower end intake impeller group 2 superchargings through the forward runner group water conservancy diversion of changeover portion 6 and flows into upper end intake impeller group 8 with the space that stage casing 13 forms again; Liquid continues supercharging through upper end intake impeller group 8 and again enters outer cylinder body 12 and the space that stage casing 13 forms by the reverse runner group of changeover portion 6 again, flows out finally by the outlet(discharge) flange of the pump housing 1.In liquid pressurization, change flow direction by two groups of changeover portion 6 reverse cross transition runners, thereby realized, two groups of impellers are arranged back-to-back and pump is imported and exported on same straight line, have reached balancing axial thrust and pipeline mounting arrangements object easily.
Further, the utility model is provided with axis hole 20 at described main shaft 11 with the part axial portions that interior magnet rotor 15 is connected, and between described upper bearing (metal) section 14 and the suction flange of the pump housing 1, external circulation line 7 is set.Highly pressurised liquid imports interior magnet rotor 15 by axis hole 20 and takes away eddy-current heating with separation sleeve 16 gaps, then imports pump intake by external circulation line 7 and form cooling circuit.The monitoring such as flow control valve, pressure gauge, flowmeter can be set on external circulation line 7 and regulate cooling flow.
Described embodiment is preferred embodiment of the present utility model; but the utility model is not limited to above-mentioned mode of execution; in the situation that not deviating from flesh and blood of the present utility model, any apparent improvement, replacement or modification that those skilled in the art can make all belong to protection domain of the present utility model.
Claims (8)
1. a riser Multistage magnetic pump, comprise drive part, overcurrent part, described flow passage is divided into vertical structure, it is characterized in that, described drive part comprises outer magnet rotor (17), separation sleeve (16), interior magnet rotor (15), link press span (19), rolling bearing (21), live axle (22), bearing support (18), described live axle (22) is fixed on bearing support (18) by rolling bearing (21), described outer magnet rotor (17) is fixed on live axle (22), described separation sleeve (16) is tightly connected with the upper bearing (metal) section (14) of overcurrent part, described interior magnet rotor (15) is placed in separation sleeve (16) inside, and be fixedly connected with the main shaft (11) of overcurrent part.
2. riser Multistage magnetic pump according to claim 1, it is characterized in that, the changeover portion (6) of described overcurrent part has multiple forward runners and multiple reverse runner, described forward runner intersects mutually with the reverse runner of runner and at the circumferential alternative arrangement of described changeover portion, the outside of described forward runner and reverse runner is provided with flange plate and is connected with outer cylinder body (12).
3. riser Multistage magnetic pump according to claim 1, is characterized in that, lower end intake impeller group (2), the upper end intake impeller group (8) of described overcurrent part adopt back-to-back mode to arrange.
4. riser Multistage magnetic pump according to claim 1, it is characterized in that, the part axial portions that described main shaft (11) is connected with interior magnet rotor (15) is provided with axis hole (20), between described upper bearing (metal) section (14) and the suction flange of the pump housing (1), external circulation line (7) is set.
5. riser Multistage magnetic pump according to claim 1, is characterized in that, the material of described separation sleeve (16) is TC
4titanium alloy.
6. riser Multistage magnetic pump according to claim 1, is characterized in that, described interior magnet rotor (15), outer magnet rotor (17) adopt combined close to draw and push away magnetic circuit.
7. riser Multistage magnetic pump according to claim 4, is characterized in that, described external circulation line is also provided with flow control valve, pressure gauge, flowmeter on (7).
8. riser Multistage magnetic pump according to claim 1, is characterized in that, between described separation sleeve (16) and upper bearing (metal) section (14), is provided with seal ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420344345.4U CN203978861U (en) | 2014-06-25 | 2014-06-25 | A kind of riser Multistage magnetic pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420344345.4U CN203978861U (en) | 2014-06-25 | 2014-06-25 | A kind of riser Multistage magnetic pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203978861U true CN203978861U (en) | 2014-12-03 |
Family
ID=51976313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420344345.4U Expired - Fee Related CN203978861U (en) | 2014-06-25 | 2014-06-25 | A kind of riser Multistage magnetic pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203978861U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104047867A (en) * | 2014-06-25 | 2014-09-17 | 江苏大学 | Vertical pipeline multi-stage magnetic driving pump |
| CN108730195A (en) * | 2018-06-07 | 2018-11-02 | 浙江华泰电子有限公司 | Wind-force generating converter Special punching welds multi-stage shield pump |
-
2014
- 2014-06-25 CN CN201420344345.4U patent/CN203978861U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104047867A (en) * | 2014-06-25 | 2014-09-17 | 江苏大学 | Vertical pipeline multi-stage magnetic driving pump |
| CN108730195A (en) * | 2018-06-07 | 2018-11-02 | 浙江华泰电子有限公司 | Wind-force generating converter Special punching welds multi-stage shield pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141203 Termination date: 20170625 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |