CN211449064U - Corrosion-resistant wear-resistant high-temperature ceramic pump - Google Patents
Corrosion-resistant wear-resistant high-temperature ceramic pump Download PDFInfo
- Publication number
- CN211449064U CN211449064U CN201922218300.8U CN201922218300U CN211449064U CN 211449064 U CN211449064 U CN 211449064U CN 201922218300 U CN201922218300 U CN 201922218300U CN 211449064 U CN211449064 U CN 211449064U
- Authority
- CN
- China
- Prior art keywords
- ceramic
- main shaft
- bearing
- ceramic pump
- corrosion
- 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 corrosion-resistant wear-resistant high-temperature ceramic pump, which comprises a main shaft, wherein one end of the main shaft is connected with a motor through a coupler, the other end of the main shaft is provided with a ceramic impeller through an inner bushing, the outer part of the main shaft is provided with a ceramic pump body, one end of the main shaft is fixed through a ceramic pump cover, the ceramic pump body and the inner part of the ceramic pump cover form a cavity which is used for accommodating the ceramic impeller and is communicated with the outside, the outer part of the ceramic pump body is armored with an iron; the main shaft is provided with a plurality of groups of bearing devices, the outer ring of each bearing device is provided with a suspension type bearing seat matched with the bearing device, one end of the bearing seat close to the motor is connected with the bearing side cover, one end of the bearing seat close to the ceramic impeller is connected with the iron pump cover, the outer ring of the main shaft positioned at one end of the inner bushing is sleeved with a shaft sleeve device along the axial direction, and the outer ring of the shaft sleeve device is provided with an integrated mechanical sealing structure fixedly connected with the iron. The utility model discloses mechanical strength is big, mechanical seal structure is reliable, is particularly useful for the granule medium operating mode, has improved life.
Description
Technical Field
The utility model belongs to the technical field of the ceramic pump technique and specifically relates to a corrosion-resistant wear-resisting high temperature ceramic pump.
Background
Chemical pumps used in non-ferrous metal smelting industry, steel enterprises, chemical industry and other industries are mostly engineering plastic or metal pumps, and are used for conveying various acid liquor, corrosive ore pulp, slurry (matched with a filter press) electrolyte, sewage and other media in wet smelting of lead, zinc, gold, silver, copper, manganese, cobalt, rare earth and the like, and clear liquid of various sulfuric acid, hydrochloric acid, oil and the like. From the use condition, the problems of short service life and non-ideal sealing of a chemical pump generally exist; and most of the pumps are high-speed pumps matched with two-pole motors, the sealing adopts common mechanical sealing or oil seal power sealing, and the use working condition is complex, and impurities or a small amount of crystals exist in a conveying medium, so that the use effect is not ideal.
SUMMERY OF THE UTILITY MODEL
The applicant aims at the defects in the prior art and provides the corrosion-resistant wear-resistant high-temperature ceramic pump with a reasonable structure, so that the mechanical strength is increased, the sealing performance is improved, the pump is suitable for being used under different working conditions, and the service life is prolonged.
The utility model discloses the technical scheme who adopts as follows:
a corrosion-resistant wear-resistant high-temperature ceramic pump comprises a main shaft, wherein one end of the main shaft is connected with a motor through a coupler, the other end of the main shaft is provided with a ceramic impeller through an inner bushing, a ceramic pump body is arranged outside the ceramic impeller, one end of the ceramic pump body is fixed through a ceramic pump cover, a cavity which is used for accommodating the ceramic impeller and communicated with the outside is formed inside the ceramic pump body and the ceramic pump cover, an iron pump body matched with the outline of the ceramic pump body is sheathed outside the ceramic pump body, and one end of the iron pump body; the main shaft is provided with a plurality of groups of bearing devices along the axial direction, the outer ring of each bearing device is provided with a bearing seat matched with the bearing device, and a multi-section inner cavity for sealing the main shaft is formed in the bearing device; one end of the bearing seat close to the motor is connected with the bearing side cover, one end of the bearing seat close to the ceramic impeller is connected with the iron pump cover, a shaft sleeve device is sleeved on the outer ring of the main shaft positioned at one end of the inner bushing along the axial direction, and a container type mechanical sealing structure fixedly connected with the iron pump cover is installed on the outer ring of the shaft sleeve device.
As a further improvement of the above technical solution:
the shaft sleeve device comprises a ceramic shaft sleeve and a metal shaft sleeve, wherein the end surfaces of the ceramic shaft sleeve and the metal shaft sleeve are tightly attached; the mechanical sealing structure is as follows: the mechanical seal device comprises two mechanical seal static rings which are respectively sleeved on the outer rings of the ceramic shaft sleeve and the metal shaft sleeve and are fixed through a cooling cover, wherein a mechanical seal dynamic ring is installed between the two mechanical seal static rings, and the mechanical seal dynamic ring is in transmission connection with the metal shaft sleeve through a key groove.
And one end of the cooling cover is connected with the cooling cover cap, and the other end of the cooling cover is fixedly connected with the iron pump cover.
Two angular contact ball bearings which are arranged back to back are arranged on a main shaft close to the motor in the bearing seat, a separated cylindrical roller bearing is arranged on the main shaft close to the mechanical sealing structure in the bearing seat, and a bearing gland connected with the bearing seat is arranged at one end of the bearing gland.
An oil splash ring is sleeved on the main shaft between the angular contact ball bearing and the cylindrical roller bearing, and the inner diameter of the oil splash ring is larger than the outer diameter of the main shaft.
An oil slinger sleeved on the main shaft is clamped on one end face of the bearing gland.
The inner hole of the ceramic impeller is connected with the inner bushing through the daub, and the inner thread of the inner bushing is connected with the main shaft.
The inner bushing is made of a steel lining.
The bearing seat shell is provided with a radiating fin.
The utility model has the advantages as follows:
the utility model has compact and reasonable structure, is made of ceramics with corrosion resistance, temperature resistance and mechanical strength, the ceramic pump body and the ceramic pump cover are externally sheathed by cast iron, the inner hole of the ceramic impeller is connected with the steel lining through high-temperature-resistant high-strength daub, the inner thread of the steel lining is connected with the main shaft, and the mechanical strength of the impeller is increased;
the bearing pedestal mounting structure has the advantages that the bearing side cover is reliable in sealing, oil leakage is avoided, the bearing does not generate heat, the use is reliable and safe, the weight is light, and the heat dissipation effect is good;
compared with the common mechanical seal which cools the sealing surface by the working medium, the integrated sealed type hard-to-hard mechanical seal structure can throw acid mist to corrode a pump and pollute the environment, and the common oil seal can not damage the granular medium, is suitable for the working condition with the granular medium, is also suitable for other working conditions, and greatly prolongs the practical service life;
the utility model discloses a quadrupole is fast motor at a slow speed, has greatly reduced high-speed wearing and tearing, has improved the wearing and tearing life-span of overflowing parts.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an enlarged view of a portion a in fig. 1.
Wherein: 1. an iron pump body; 2. a ceramic pump body; 3. a ceramic impeller; 4. daub; 5. an inner liner; 6. a ceramic pump cover; 7. an iron pump cover; 8. cooling the cover; 9. a main shaft; 10. a bearing seat; 11. a bearing side cover; 12. an electric motor; 13. a ceramic shaft sleeve; 14. a metal shaft sleeve; 15. a mechanical seal moving ring; 16. a mechanical seal static ring; 17. a cooling jacket; 18. a bearing gland; 19. a cylindrical roller bearing; 20. angular contact ball bearings; 21. an oil splash ring; 22. a heat sink; 23. an oil slinger.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1 and 2, the corrosion-resistant wear-resistant high-temperature ceramic pump of the embodiment includes a main shaft 9, one end of the main shaft 9 is connected with a motor 12 through a coupling, the other end of the main shaft is provided with a ceramic impeller 3 through an inner bushing 5, a ceramic pump body 2 is arranged outside the ceramic impeller 3, one end of the ceramic pump body 2 is fixed through a ceramic pump cover 6, a cavity which is used for accommodating the ceramic impeller 3 and communicated with the outside is formed inside the ceramic pump body 2 and the ceramic pump cover 6, an iron pump body 1 matched with the outline of the ceramic pump body 2 is sheathed outside the ceramic pump body 2, and one end; a plurality of groups of bearing devices are axially arranged on the main shaft 9, bearing seats 10 matched with the bearing devices are arranged on the outer rings of the bearing devices, and a multi-section inner cavity for sealing the main shaft 9 is formed in the bearing devices; one end of a bearing seat 10 close to the motor 12 is connected with a bearing side cover 11, one end of the bearing seat 10 close to the ceramic impeller 3 is connected with the iron pump cover 7, a shaft sleeve device is axially sleeved on the outer ring of a main shaft 9 positioned at one end of the inner bushing 5, and a container type mechanical sealing structure fixedly connected with the iron pump cover 7 is installed on the outer ring of the shaft sleeve device.
The shaft sleeve device comprises a ceramic shaft sleeve 13 and a metal shaft sleeve 14, wherein the end surfaces of the ceramic shaft sleeve and the metal shaft sleeve are tightly attached; the mechanical sealing structure is as follows: the mechanical seal device comprises two mechanical seal static rings 16 which are respectively sleeved on outer rings of a ceramic shaft sleeve 13 and a metal shaft sleeve 14 and are fixed through a cooling cover 17, a mechanical seal dynamic ring 15 is installed between the two mechanical seal static rings 16, and the mechanical seal dynamic ring 15 is in transmission connection with the metal shaft sleeve 14 through a key groove.
One end of the cooling cover 17 is connected with the cooling cover cap 8, and the other end of the cooling cover 17 is fixedly connected with the iron pump cover 7.
Two angular contact ball bearings 20 which are arranged back to back are arranged on the main shaft 9 which is close to the motor 12 in the bearing seat 10, a separated cylindrical roller bearing 19 is arranged on the main shaft 9 which is close to the mechanical sealing structure in the bearing seat 10, and a bearing gland 18 which is connected with the bearing seat 10 is arranged at one end of the bearing gland.
An oil splash ring 21 is sleeved on the main shaft 9 between the angular contact ball bearing 20 and the cylindrical roller bearing 19, and the inner diameter of the oil splash ring 21 is larger than the outer diameter of the main shaft 9.
An oil slinger 23 sleeved on the main shaft 9 is clamped on one end face of the bearing gland 18.
The inner hole of the ceramic impeller 3 is connected with an inner bushing 5 through the daub 4, and the internal thread of the inner bushing 5 is connected with a main shaft 9.
The inner bushing 5 is made of steel lining.
The housing of the bearing seat 10 is provided with heat radiating fins 22.
The transmission of the mechanical seal ring 15 of the embodiment depends on the key slot on the metal shaft sleeve 14, so that the brittleness and the easy cracking of the ceramic shaft sleeve 13 are avoided.
The bearing device of the embodiment is a cylindrical roller bearing 19 of a separate type at a pump end for avoiding expansion and contraction of the main shaft 9 due to temperature change during operation and for adjusting the axial position of the bearing; the motor end is provided with two angular contact ball bearings 20 which are arranged back to back and used for axially positioning the main shaft 9.
The two inner bore inner cavities of the bearing seat 10 are provided with steps for fixing the bearing, and oil return holes are axially and radially formed to facilitate cooling of the bearing. The inner hole of the bearing side cover 11 is lathed with a plurality of groove labyrinth seals, oil return holes are drilled, and an oil slinger 23 is additionally arranged, so that oil leakage caused by oil seal aging is thoroughly distinguished. In order to increase the heat dissipation area of the bearing seat, the shell is cast like a motor type heat dissipation fin 22, an oil splash ring 21 is arranged on the main shaft 9 in the bearing seat 10, the flow of lubricating oil is accelerated, and the cooling effect is achieved. In specific implementation, the motor 12 can be a four-pole slow-speed motor, so that high-speed wear is greatly reduced, and the wear life of the overcurrent component is prolonged.
The above description is for the purpose of explanation and not limitation of the invention, which is defined in the claims, and any modifications may be made within the scope of the invention.
Claims (9)
1. A corrosion-resistant wear-resistant high-temperature ceramic pump comprises a main shaft (9), and is characterized in that: one end of the main shaft (9) is connected with the motor (12) through a coupler, the other end of the main shaft is provided with the ceramic impeller (3) through the inner bushing (5), a ceramic pump body (2) is arranged outside the ceramic impeller (3), one end of the ceramic pump body (2) is fixed through the ceramic pump cover (6), a cavity which is used for accommodating the ceramic impeller (3) and communicated with the outside is formed inside the ceramic pump body (2) and the ceramic pump cover (6), an iron pump body (1) matched with the outline of the ceramic pump body (2) is sheathed outside the ceramic pump body, and one end of the iron pump body (1) is fixed through the iron pump cover (7);
a plurality of groups of bearing devices are axially arranged on the main shaft (9), a bearing seat (10) matched with the bearing devices is arranged on the outer ring of each bearing device, and a multi-section inner cavity for sealing the main shaft (9) is formed in each bearing device; one end, close to the motor (12), of the bearing seat (10) is connected with a bearing side cover (11), one end, close to the ceramic impeller (3), of the bearing seat (10) is connected with the iron pump cover (7), a shaft sleeve device is sleeved on the outer ring of the main shaft (9) at one end of the inner bushing (5) along the axial direction, and a container type mechanical sealing structure fixedly connected with the iron pump cover (7) is installed on the outer ring of the shaft sleeve device.
2. The corrosion and wear resistant high temperature ceramic pump of claim 1, wherein: the shaft sleeve device comprises a ceramic shaft sleeve (13) and a metal shaft sleeve (14) of which the end surfaces are mutually attached; the mechanical sealing structure is as follows: the mechanical seal device comprises two mechanical seal static rings (16) which are respectively sleeved on outer rings of a ceramic shaft sleeve (13) and a metal shaft sleeve (14) and fixed through a cooling cover (17), wherein a mechanical seal rotating ring (15) is installed between the two mechanical seal static rings (16), and the mechanical seal rotating ring (15) is in transmission connection with the metal shaft sleeve (14) through a key groove.
3. The corrosion and wear resistant high temperature ceramic pump of claim 2, wherein: one end of the cooling cover (17) is connected with the cooling cover cap (8), and the other end of the cooling cover (17) is fixedly connected with the iron pump cover (7).
4. The corrosion and wear resistant high temperature ceramic pump of claim 1, wherein: two angular contact ball bearings (20) which are arranged back to back are arranged on a main shaft (9) close to the motor (12) in the bearing seat (10), a separated cylindrical roller bearing (19) is arranged on the main shaft (9) close to the mechanical sealing structure in the bearing seat (10), and a bearing gland (18) connected with the bearing seat (10) is arranged at one end of the bearing gland.
5. The corrosion and wear resistant high temperature ceramic pump of claim 4, wherein: an oil splash ring (21) is sleeved on the main shaft (9) between the angular contact ball bearing (20) and the cylindrical roller bearing (19), and the inner diameter of the oil splash ring (21) is larger than the outer diameter of the main shaft (9).
6. The corrosion and wear resistant high temperature ceramic pump of claim 4, wherein: an oil slinger (23) sleeved on the main shaft (9) is clamped on one end face of the bearing gland (18).
7. The corrosion and wear resistant high temperature ceramic pump of claim 1, wherein: the inner hole of the ceramic impeller (3) is connected with an inner bushing (5) through daub (4), and the inner thread of the inner bushing (5) is connected with a main shaft (9).
8. The corrosion and wear resistant high temperature ceramic pump of claim 1, wherein: the inner bushing (5) is a steel bushing.
9. The corrosion and wear resistant high temperature ceramic pump of claim 1, wherein: the housing of the bearing seat (10) is provided with a radiating fin (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922218300.8U CN211449064U (en) | 2019-12-11 | 2019-12-11 | Corrosion-resistant wear-resistant high-temperature ceramic pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922218300.8U CN211449064U (en) | 2019-12-11 | 2019-12-11 | Corrosion-resistant wear-resistant high-temperature ceramic pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211449064U true CN211449064U (en) | 2020-09-08 |
Family
ID=72318369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922218300.8U Active CN211449064U (en) | 2019-12-11 | 2019-12-11 | Corrosion-resistant wear-resistant high-temperature ceramic pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211449064U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116221129A (en) * | 2023-04-26 | 2023-06-06 | 武安市永盛机械泵业有限公司 | High-strength sealed hot oil pump |
-
2019
- 2019-12-11 CN CN201922218300.8U patent/CN211449064U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116221129A (en) * | 2023-04-26 | 2023-06-06 | 武安市永盛机械泵业有限公司 | High-strength sealed hot oil pump |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211449064U (en) | Corrosion-resistant wear-resistant high-temperature ceramic pump | |
| CN201273303Y (en) | Grease lubrication bearing assembly for slurry pump with cooling interlayer | |
| CN207892846U (en) | A kind of corrosion resistant magnetic force circulating pump | |
| CN108916107B (en) | Water-cooled bearing component for pump | |
| CN206410150U (en) | Submerged slag conveyor external bearings Mechanical Sealed Type inner guide pulley device | |
| CN211089342U (en) | High-efficient compact permanent-magnet machine and bearing box connection assembly | |
| CN208871034U (en) | A kind of hydrogen cooled generator double fluid ring sealing bearing bush inhibiting Seal Oil channelling flow | |
| CN211924551U (en) | Bearing box body with internal circulation lubrication and center support type single-stage cantilever centrifugal pump thereof | |
| CN210686419U (en) | Mortar pump idle shaft seal | |
| CN112762174A (en) | Floating sealing structure | |
| CN107701459B (en) | Cooling-free high-temperature high-pressure hot water pump | |
| CN208845370U (en) | A kind of centrifugal pump with water-cooled pump cover and sealing gland | |
| CN201027979Y (en) | Integral container type mechanical seal device | |
| CN221442915U (en) | Prevent pre-pump bearing body structure of high temperature operation | |
| CN216788729U (en) | Magnetic pump | |
| CN219974881U (en) | Novel self-circulation fully-lubricated bearing component | |
| CN216589633U (en) | Bearing box with oil sump cooling water channel | |
| CN219287271U (en) | Bearing system for high-speed motor | |
| CN216589629U (en) | Oil-cooled high-temperature-resistant bearing seat | |
| CN110440002A (en) | A kind of experimental branch line horizontal polyester reactor mechanical seal | |
| CN205446154U (en) | Lubricated footstep bearing subassembly of water | |
| CN219639073U (en) | Leakage-free mortar pump | |
| CN218326204U (en) | Motor shaft extension end mechanical sealing device with cooling function | |
| CN219918688U (en) | Magnetic coupling driver | |
| CN219119646U (en) | Tapered roller bearing with long service life |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |