CN212838396U - Heat preservation type magnetic drive pump - Google Patents
Heat preservation type magnetic drive pump Download PDFInfo
- Publication number
- CN212838396U CN212838396U CN202021696770.1U CN202021696770U CN212838396U CN 212838396 U CN212838396 U CN 212838396U CN 202021696770 U CN202021696770 U CN 202021696770U CN 212838396 U CN212838396 U CN 212838396U
- Authority
- CN
- China
- Prior art keywords
- pump
- pump body
- flange
- shaft
- 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.)
- Active
Links
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to a heat preservation type magnetic drive pump, the magnetic drive pump technical field that belongs to, which comprises a pump body, pump body front end is equipped with the bearing box, be equipped with the power input shaft in the bearing box, be equipped with the hookup frame between the bearing box and the pump body, be equipped with pump body flange between hookup frame and the pump body, the spacing inlay card of mutually sealing washer formula between pump body flange and the pump body cup joints fixedly, be equipped with the pump shaft in the pump body flange, be equipped with the impeller of the spacing nested connection of mutually parallel key formula with the pump shaft between the pump body flange and the pump body, be equipped with the spacing nested initiative magnetic rotor of mutually locking nut formula parallel key with the power input shaft between pump shaft and power input shaft, be equipped with driven magnetic rotor between initiative magnetic rotor and hookup frame, driven magnetic rotor terminal surface is equipped with the spacing. The heat preservation effect is improved, the heat loss is reduced, the temperature of the bearing in the bearing box component is reduced, and the service life of the bearing is ensured. The long-term reliable operation of the magnetic pump during the transportation of the medium with the high freezing point is guaranteed.
Description
Technical Field
The utility model relates to a magnetic drive pump technical field, concretely relates to heat preservation type magnetic drive pump.
Background
Centrifugal pumps are only suitable for conveying liquid media. The medium which is solidified at the high solidification temperature and normal temperature can be conveyed by using a centrifugal pump only when the medium is in a liquid state with the temperature exceeding the solidification point. Therefore, in the chemical plant process, it is necessary to heat and preserve the heat of the related devices, pipelines and equipment related to the medium so that the temperature of the related devices, pipelines and equipment is not lower than the freezing point of the medium all the time and is kept in a liquid state. The centrifugal pump as a conveying device also needs to be provided with a heating jacket to heat the pump so as to avoid the phenomenon that the medium is solidified when entering and the pump cannot run.
The magnetic transmission pump is one of centrifugal pumps, the mechanical seal of the traditional centrifugal pump is replaced by magnetic transmission, external power does not need to penetrate through a pressure boundary, and a driven rotor in the boundary of a pressure shell can be driven to rotate in a magnetic non-contact transmission mode, so that an inner impeller is driven to do work in a rotating mode.
The existing magnetic transmission pump is far away, the heat resistance of other parts such as a pump cover is arranged in the middle, the inner magnetic rotor, the isolation sleeve, the pump shaft and the like all adopt poor heat conductors such as stainless steel, titanium alloy and the like, so that enough heat is difficult to be conducted to the magnetic rotor by heating the pump body, and the required heating temperature exceeding the condensation point of a medium cannot be achieved.
Disclosure of Invention
The utility model discloses mainly solve exist not enough among the prior art, provide a heat preservation type magnetic drive pump, solved the heat retaining problem of magnetic drive pump. The heat preservation effect is improved, the heat loss is reduced, the temperature of the bearing in the bearing box component is reduced, and the service life of the bearing is ensured. The long-term reliable operation of the magnetic pump during the transportation of the medium with the high freezing point is guaranteed.
The above technical problem of the present invention can be solved by the following technical solutions:
a heat-preservation magnetic pump comprises a pump body, wherein a bearing box is arranged at the front end of the pump body, a power input shaft which is in bearing type embedded and sleeved connection with the bearing box is arranged in the bearing box, a connecting frame which is fixedly connected with the flange type bolt of the bearing box is arranged between the bearing box and the pump body, a pump body flange which is fixedly connected with the connecting frame through a flange type bolt is arranged between the connecting frame and the pump body, the pump body flange and the pump body are mutually sealed, ring-type limited, inserted, sleeved and fixed, a pump shaft is arranged in the pump body flange, an impeller which is in flat key type limit nested connection with the pump shaft is arranged between the pump body flange and the pump body, a driving magnetic rotor which is in lock nut type flat key limit nested connection with the power input shaft is arranged between the pump shaft and the power input shaft, and a driven magnetic rotor is arranged between the driving magnetic rotor and the connecting frame, and a driven connecting flange plate which is locked with the pump shaft by a nut type flat key and is in limit nesting is arranged on the end surface of the driven magnetic rotor.
Preferably, a pump shaft flange sleeve fixedly connected with the pump body flange through bolts is arranged between the pump body flange and the pump shaft, and a pair of sliding bearings is arranged between the pump shaft flange sleeve and the pump shaft.
Preferably, the retaining ring rings which are connected with the pump shaft in a nested manner are arranged between the sliding bearing and the impeller and between the sliding bearing and the driven connecting flange plate.
Preferably, a heat insulation pad is arranged between the connecting frame and the bearing box.
Preferably, an isolation sleeve is arranged between the driven magnetic rotor and the driving magnetic rotor, and the inner wall of the isolation sleeve is provided with a heat insulation coating.
Preferably, the outer side of the connecting frame is provided with a connecting frame jacket which is integrally welded, sleeved and fixed with the connecting frame.
Preferably, the rear end of the pump body is provided with a pump body jacket which is integrally welded with the pump body and is fixedly sleeved.
The utility model discloses can reach following effect:
the utility model provides a heat preservation type magnetic drive pump compares with prior art, has solved the heat retaining problem of magnetic drive pump. The heat preservation effect is improved, the heat loss is reduced, the temperature of the bearing in the bearing box component is reduced, and the service life of the bearing is ensured. The long-term reliable operation of the magnetic pump during the transportation of the medium with the high freezing point is guaranteed.
Drawings
Fig. 1 is a structural sectional view of the present invention.
In the figure: the pump body is composed of a pump body jacket 1, an impeller 2, a pump body 3, a pump body flange 4, a pump shaft flange sleeve 5, a pump shaft 6, a connecting frame 7, a connecting frame jacket 8, a driven magnetic rotor 9, a heat insulation pad 10, an isolation sleeve 11, a driving magnetic rotor 12, a power input shaft 13, a bearing box 14, a driven connecting flange disc 15, a retainer ring 16 and a sliding bearing 17.
Detailed Description
The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.
Example (b): as shown in fig. 1, a heat preservation type magnetic drive pump comprises a pump body 3, and a pump body jacket 1 welded and fixed with the pump body 3 integrally is arranged at the rear end of the pump body 3. The front end of the pump body 3 is provided with a bearing box 14, the bearing box 14 is internally provided with a power input shaft 13 which is in bearing type embedded and sleeved with the bearing box 14, a connecting frame 7 which is fixedly connected with the bearing box 14 through a flange type bolt is arranged between the bearing box 14 and the pump body 3, and the outer side of the connecting frame 7 is provided with a connecting frame jacket 8 which is integrally welded and sleeved with the connecting frame 7. An insulating pad 10 is arranged between the connecting frame 7 and the bearing box 14. A pump body flange 4 fixedly connected with the connecting frame 7 through a flange type bolt is arranged between the connecting frame 7 and the pump body 3, the pump body flange 4 and the pump body 3 are fixedly connected through a sealing ring type limiting clamping and sleeving, a pump shaft 6 is arranged in the pump body flange 4, a pump shaft flange sleeve 5 fixedly connected with the pump body flange 4 through a bolt is arranged between the pump body flange 4 and the pump shaft 6, and a pair of sliding bearings 17 are arranged between the pump shaft flange sleeve 5 and the pump shaft 6. Retainer rings 16 which are connected with the pump shaft 6 in a nested way are respectively arranged between the sliding bearing 17 and the impeller 2 and between the sliding bearing 17 and the driven connecting flange 15. An impeller 2 connected with a pump shaft 6 in a flat key type limiting nested mode is arranged between a pump body flange 4 and a pump body 3, a driving magnetic rotor 12 locked with the power input shaft 13 in a nut type flat key limiting nested mode is arranged between the pump shaft 6 and the power input shaft 13, a driven magnetic rotor 9 is arranged between the driving magnetic rotor 12 and a connecting frame 7, an isolation sleeve 11 is arranged between the driven magnetic rotor 9 and the driving magnetic rotor 12, and heat insulation and heat preservation paint is arranged on the inner wall of the isolation sleeve 11. The end surface of the driven magnetic rotor 9 is provided with a driven coupling flange 15 which is locked with the pump shaft 6 and is embedded with a nut type flat key in a limiting way.
In conclusion, the heat preservation type magnetic pump solves the heat preservation problem of the magnetic pump. The heat preservation effect is improved, the heat loss is reduced, the temperature of the bearing in the bearing box component is reduced, and the service life of the bearing is ensured. The long-term reliable operation of the magnetic pump during the transportation of the medium with the high freezing point is guaranteed.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without deviating from the basic characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
In conclusion, the above description is only the specific embodiment of the present invention, but the structural features of the present invention are not limited thereto, and any person skilled in the art can make changes or modifications within the scope of the present invention.
Claims (7)
1. A heat preservation type magnetic drive pump which characterized in that: including the pump body (3), the pump body (3) front end be equipped with bearing box (14), bearing box (14) in be equipped with bearing box (14) looks bearing type inlay power input shaft (13) that cup joints, bearing box (14) and pump body (3) between be equipped with bearing box (14) looks flange formula bolted connection fixed link span (7), link span (7) and pump body (3) between be equipped with link span (7) looks flange formula bolted connection fixed pump body flange (4), pump body flange (4) and pump body (3) between sealed ring formula spacing inlay card cup joint fixedly, pump body flange (4) in be equipped with pump shaft (6), pump body flange (4) and pump body (3) between be equipped with pump shaft (6) looks flat key formula spacing nested impeller (2) of being connected, pump shaft (6) and power input shaft (13) between be equipped with the nested magnetic drive nut rotor flat key spacing nested with power input shaft (13) locking looks tight (12) A driven magnetic rotor (9) is arranged between the driving magnetic rotor (12) and the connecting frame (7), and a driven connecting flange (15) which is locked with the pump shaft (6) through a nut type flat key limiting and nesting is arranged on the end face of the driven magnetic rotor (9).
2. The heat-insulating magnetic pump according to claim 1, wherein: the pump body flange (4) and the pump shaft (6) are provided with a pump shaft flange sleeve (5) fixedly connected with the pump body flange (4) through bolts, and a pair of sliding bearings (17) are arranged between the pump shaft flange sleeve (5) and the pump shaft (6).
3. The heat-insulating magnetic pump according to claim 2, wherein: and retainer rings (16) which are connected with the pump shaft (6) in a nested manner are respectively arranged between the sliding bearing (17) and the impeller (2) and between the sliding bearing (17) and the driven connecting flange (15).
4. The heat-insulating magnetic pump according to claim 1, wherein: and a heat insulation pad (10) is arranged between the connecting frame (7) and the bearing box (14).
5. The heat-insulating magnetic pump according to claim 1, wherein: an isolation sleeve (11) is arranged between the driven magnetic rotor (9) and the driving magnetic rotor (12), and heat insulation paint is arranged on the inner wall of the isolation sleeve (11).
6. The heat-insulating magnetic pump according to claim 1, wherein: the outer side of the connecting frame (7) is provided with a connecting frame jacket (8) which is integrally welded with the connecting frame (7) in a sleeved mode.
7. The heat-insulating magnetic pump according to claim 1, wherein: the rear end of the pump body (3) is provided with a pump body jacket (1) which is fixedly sleeved with the pump body (3) in an integrated welding manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021696770.1U CN212838396U (en) | 2020-08-14 | 2020-08-14 | Heat preservation type magnetic drive pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021696770.1U CN212838396U (en) | 2020-08-14 | 2020-08-14 | Heat preservation type magnetic drive pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212838396U true CN212838396U (en) | 2021-03-30 |
Family
ID=75133469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021696770.1U Active CN212838396U (en) | 2020-08-14 | 2020-08-14 | Heat preservation type magnetic drive pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212838396U (en) |
-
2020
- 2020-08-14 CN CN202021696770.1U patent/CN212838396U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109925964B (en) | Magnetic transmission high-temperature high-pressure kettle | |
| CN206159049U (en) | Split type high temperature magnetic transmission petrochemical industry process pump | |
| CN203926794U (en) | A kind of improved Split magnetic liquid sealing device | |
| CN104847800B (en) | Matching structure of bearing and bearing seat | |
| CN212838396U (en) | Heat preservation type magnetic drive pump | |
| CN206092484U (en) | Oily volute pump of magnetic force actuation formula high temperature hot water heat | |
| CN215762282U (en) | High-temperature magnetic pump | |
| CN205013283U (en) | Magnetic force actuation single -screw pump | |
| CN102042268A (en) | High-temperature resistant pump | |
| CN213286737U (en) | Static seal high-temperature high-pressure reaction kettle | |
| CN206221302U (en) | A kind of supercritical carbon dioxide pump | |
| CN103161749A (en) | High-power plastic lining magnetic pump | |
| CN202851424U (en) | Separation sleeve for high-temperature and high-pressure resistance fluoroplastic magnetic drive pump and magnetic drive pump | |
| CN204344476U (en) | Magnetic drives chemical pump | |
| CN202851370U (en) | Magnetic force transmission heat-conducting oil pump | |
| CN105221418B (en) | Magnetic drive single-screw pump | |
| CN213360452U (en) | Magnetic drive pump bearing box with heat shield structure | |
| CN207363938U (en) | A kind of unpowered sealing device of pump for liquid salts | |
| CN211819937U (en) | Process pump suitable for high-temperature medium | |
| CN217662726U (en) | Totally enclosed does not have leakage agitator | |
| CN209952798U (en) | Magnetic transmission high-temperature high-pressure kettle | |
| CN108252923B (en) | High-temperature high-pressure magnetic pump for nuclear industry | |
| CN201606267U (en) | Submerged pump | |
| CN207261271U (en) | A kind of engineering plastics magnetic drive pump | |
| CN205937207U (en) | Self -cooling bearing seal and system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |