CN218991974U - Low-temperature-resistant centrifugal pump - Google Patents
Low-temperature-resistant centrifugal pump Download PDFInfo
- Publication number
- CN218991974U CN218991974U CN202222619628.2U CN202222619628U CN218991974U CN 218991974 U CN218991974 U CN 218991974U CN 202222619628 U CN202222619628 U CN 202222619628U CN 218991974 U CN218991974 U CN 218991974U
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- China
- Prior art keywords
- centrifugal pump
- pump body
- low temperature
- protective cover
- shell
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- 230000001681 protective effect Effects 0.000 claims abstract description 18
- 210000004907 gland Anatomy 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 11
- 238000009413 insulation Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 5
- 239000004964 aerogel Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000001771 impaired effect Effects 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000009360 aquaculture Methods 0.000 description 1
- 244000144974 aquaculture Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a low-temperature-resistant centrifugal pump, which comprises a centrifugal pump body, wherein a protective cover is sleeved on the periphery of the centrifugal pump body, a motor is installed at one end of the centrifugal pump body through a mounting seat, connecting plates are connected to two sides of the protective cover, a shell is arranged at one end of the centrifugal pump body, an impeller is arranged in the centrifugal pump body, a pump shaft is arranged in the shell, a bearing is sleeved on one side of the pump shaft, and a bearing gland is arranged on one side of the bearing. This novel low temperature resistant centrifugal pump has and utilizes the protection casing to carry out the function of low temperature resistant protection to the centrifugal pump, and seal structure is comparatively abundant moreover, and the leakproofness is fine, prevents that the outside low temperature of centrifugal pump from permeating to the inside of centrifugal pump, avoids the centrifugal pump to be impaired because of receiving low temperature, has prolonged the life of centrifugal pump, reduces the cost of maintenance, change, and then can produce better economic benefits, is fit for extensively using widely.
Description
Technical Field
The utility model relates to the technical field of centrifugal pumps, in particular to a low-temperature-resistant centrifugal pump.
Background
Centrifugal pumps are pumps that convey liquid by centrifugal force generated when impellers rotate, and are classified according to the number of impellers, and are classified into: single stage pumps and multistage pumps, which are classified according to operating pressure, can be classified as: the centrifugal pump has the characteristics of compact structure, uniform flow, stable operation, convenient installation and maintenance and the like, and is widely applied to the fields of liquid transportation, industrial cleaning, aquaculture and the like.
The utility model of patent number CN212130801U discloses a multifunctional centrifugal pump, which comprises a multifunctional centrifugal pump main body, a multifunctional centrifugal pump auxiliary body, a movable support, a connecting device inlet and a connecting device outlet, wherein one side of the multifunctional centrifugal pump main body is connected with a rotary connecting rod, one side of a second connecting block, which is far away from a first connecting block, is connected with the multifunctional centrifugal pump auxiliary body, one side of a connecting device outlet, which is far away from the multifunctional centrifugal pump auxiliary body, is connected with a fixed connecting block, and one side of the movable support, which is far away from the multifunctional centrifugal pump auxiliary body, is connected with a limiting groove.
The existing centrifugal pump has the following defects: simple structure, low temperature resistant performance is relatively poor, and the seal is not fine, and the outside low temperature of centrifugal pump is easy to permeate to the inside of centrifugal pump, leads to the centrifugal pump to receive low temperature easily and impaired, can shorten the life of centrifugal pump, increases maintenance, the cost of changing. For this purpose we propose a low temperature resistant centrifugal pump.
Disclosure of Invention
The utility model mainly aims to provide a low-temperature-resistant centrifugal pump which can effectively solve the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a low temperature resistant centrifugal pump, includes the centrifugal pump body, the peripheral cover of the centrifugal pump body is equipped with the protection casing, the motor is installed through the mount pad to the one end of the centrifugal pump body, the both sides of protection casing all are connected with the connecting plate, the one end of the centrifugal pump body is equipped with the casing, the inside of the centrifugal pump body is equipped with the impeller, the inside of casing is equipped with the pump shaft, one side cover of pump shaft is equipped with the bearing, one side of bearing is equipped with bearing cover, be equipped with quick-witted seal quiet ring, quick-witted seal gland and quick-witted seal ring in proper order between sealing washer and the bearing cover, be equipped with sealing washer between the centrifugal pump body and the casing, the inboard of protection casing is equipped with the insulating layer that plays the heat insulating effect, the insulating layer adopts aerogel felt material to make.
Further, the bottom of centrifugal pump body, protection casing and mount pad is provided with the bottom plate, be equipped with fastening screw through seting up first screw hole on the connecting plate, set up the second screw hole corresponding with first screw hole on the bottom plate, the output of motor passes through the adapter sleeve and is connected with the pump shaft, the one end of pump shaft passes through the bolt to be connected with the impeller, and personnel can utilize fastening screw, first screw hole and second screw hole to fasten protection casing and bottom plate to be connected, and the motor can drive the impeller to rotate.
Further, the outer side of the centrifugal pump body is provided with a mounting bolt through a first mounting hole, and the outer side of the shell is provided with a second mounting hole corresponding to the first mounting hole.
Further, the centrifugal pump body is located the inside of casing, the protection casing is located the outside of casing, and the centrifugal pump water inlet is convenient for to the inside water injection of centrifugal pump body, and the centrifugal pump water outlet is convenient for the centrifugal pump body discharges water.
Further, one end at the top of the centrifugal pump body is provided with a centrifugal pump outlet, and one side of the centrifugal pump body is provided with a centrifugal pump water inlet.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the low-temperature-resistant centrifugal pump, personnel can fasten the protective cover with the bottom plate through the protective cover by using the fastening screw, the first threaded hole and the second threaded hole, and the heat insulation layer on the inner side of the protective cover can block cold and hot air transmission, so that external cold air is prevented from penetrating into the centrifugal pump, and the purpose of heat insulation is achieved.
2. According to the low-temperature-resistant centrifugal pump, the stability of connection between internal parts of the centrifugal pump can be further enhanced by utilizing the combined action of the components through the sealing gasket, the mechanical seal stationary ring, the mechanical seal gland, the mechanical seal ring, the bearing gland and the shell, and the further enhanced tightness can be avoided, so that external cold air is prevented from penetrating into the centrifugal pump.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a low temperature resistant centrifugal pump according to the present utility model.
Fig. 2 is an exploded view of a low temperature resistant centrifugal pump according to the present utility model.
Fig. 3 is a left side view of a cryopump of the present utility model.
Fig. 4 is a schematic diagram of a protective cover structure of a low temperature resistant centrifugal pump according to the present utility model.
In the figure: 1. a centrifugal pump body; 2. a centrifugal pump outlet; 3. a protective cover; 4. a mounting base; 5. a motor; 6. a connecting plate; 7. a fastening screw; 8. a water inlet of the centrifugal pump; 9. a bottom plate; 10. a sealing gasket; 11. an impeller; 12. mechanically sealing the stationary ring; 13. a gland is sealed; 14. a mechanical seal ring; 15. a bearing gland; 16. a bearing; 17. a pump shaft; 18. a housing; 19. connecting sleeves; 20. a first threaded hole; 21. a second threaded hole; 22. a thermal insulation layer; 23. a first mounting hole; 24. installing a bolt; 25. and a second mounting hole.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
As shown in fig. 1-4, a low temperature resistant centrifugal pump comprises a centrifugal pump body 1, a protective cover 3 is sleeved on the periphery of the centrifugal pump body 1, a motor 5 is installed at one end of the centrifugal pump body 1 through an installation seat 4, connecting plates 6 are connected to two sides of the protective cover 3, a shell 18 is arranged at one end of the centrifugal pump body 1, an impeller 11 is arranged in the centrifugal pump body 1, a pump shaft 17 is arranged in the shell 18, a bearing 16 is sleeved on one side of the pump shaft 17, a bearing gland 15 is arranged on one side of the bearing 16, a sealing stationary ring 12, a sealing gland 13 and a sealing ring 14 are sequentially arranged between the sealing gasket 10 and the bearing gland 15, a heat insulation layer 22 playing a role in heat insulation is arranged on the inner side of the protective cover 3, and the heat insulation layer 22 is made of aerogel felt materials.
The bottom of the centrifugal pump body 1, the bottom of the protective cover 3 and the bottom of the mounting seat 4 are provided with a bottom plate 9, the connecting plate 6 is provided with a fastening screw 7 through a first threaded hole 20, the bottom plate 9 is provided with a second threaded hole 21 corresponding to the first threaded hole 20, the output end of the motor 5 is connected with a pump shaft 17 through a connecting sleeve 19, and one end of the pump shaft 17 is connected with the impeller 11 through a bolt.
The outer side of the centrifugal pump body 1 is provided with a mounting bolt 24 by opening a first mounting hole 23, and the outer side of the casing 18 is provided with a second mounting hole 25 corresponding to the first mounting hole 23.
In this embodiment, as shown in fig. 2, a person can fasten the protection cover 3 and the bottom plate 9 by using the fastening screw 7, the first threaded hole 20 and the second threaded hole 21, and the motor 5 can drive the impeller 11 to rotate.
Wherein the centrifugal pump body 1 is positioned inside the housing 18, and the protective cover 3 is positioned outside the housing 18.
In this embodiment, as shown in fig. 1, the protective cover 3 is sleeved on the outer periphery of the casing 18 and the centrifugal pump body 1.
One end at the top of the centrifugal pump body 1 is provided with a centrifugal pump outlet 2, and one side of the centrifugal pump body 1 is provided with a centrifugal pump water inlet 8.
In this embodiment, as shown in fig. 1, the water inlet 8 of the centrifugal pump is convenient for injecting water into the centrifugal pump body 1, and the water outlet 2 of the centrifugal pump is convenient for the centrifugal pump body 1 to discharge water.
It should be noted that, in operation, the utility model is a low temperature resistant centrifugal pump, personnel utilize the mounting bolt 24, connect the centrifugal pump body 1 with the casing 18 through first mounting hole 23 and second mounting hole 25, place the casing 18 in the inside of protection casing 3, further, personnel utilize fastening screw 7, can fasten the protection casing 3 with bottom plate 9 through first screw hole 20 and second screw hole 21, further, protection casing 3 self adopts foamed aluminum material to make, it is light in weight, the characteristics that hardness is high, and the thermal conductivity is relatively poor, and the insulating layer 22 of protection casing 3 inboard adopts aerogel felt material to make, a novel thermal insulation material, the thermal conductivity is relatively poor, therefore can block cold and hot gas transmission, avoid external cold gas infiltration to the inside of centrifugal pump, achieve the purpose of insulating against heat, further, utilize the combined action between seal ring 10, quick-witted seal ring 12, quick-witted seal ring 13, machine seal ring 14, bearing gland 15 and the casing 18, can further strengthen the firm nature of connecting between the parts, further strengthen the seal ring, avoid cold gas infiltration to the inside of centrifugal pump, cooperate protection casing 3, can effectively carry out the low temperature resistant pump body 1 to the low temperature resistant protection.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a low temperature resistant centrifugal pump, includes centrifugal pump body (1) and sealing washer (10), its characterized in that: the centrifugal pump is characterized in that a protective cover (3) is sleeved on the periphery of the centrifugal pump body (1), a motor (5) is installed at one end of the centrifugal pump body (1) through an installation seat (4), connecting plates (6) are connected to two sides of the protective cover (3), a shell (18) is arranged at one end of the centrifugal pump body (1), an impeller (11) is arranged in the centrifugal pump body (1), a pump shaft (17) is arranged in the shell (18), a bearing (16) is sleeved on one side of the pump shaft (17), a bearing gland (15) is arranged on one side of the bearing (16), a mechanical seal stationary ring (12), a mechanical seal gland (13) and a mechanical seal ring (14) are sequentially arranged between the sealing gasket (10) and the bearing gland (15), a thermal insulation layer (22) playing a thermal insulation role is arranged on the inner side of the protective cover (3), and the thermal insulation layer (22) is made of an aerogel material.
2. A low temperature resistant centrifugal pump according to claim 1, wherein: the centrifugal pump is characterized in that a bottom plate (9) is arranged at the bottoms of the centrifugal pump body (1), the protective cover (3) and the mounting seat (4), a fastening screw (7) is arranged on the connecting plate (6) through a first threaded hole (20), a second threaded hole (21) corresponding to the first threaded hole (20) is formed in the bottom plate (9), the output end of the motor (5) is connected with the pump shaft (17) through a connecting sleeve (19), and one end of the pump shaft (17) is connected with the impeller (11) through a bolt.
3. A low temperature resistant centrifugal pump according to claim 1, wherein: the outside of the centrifugal pump body (1) is provided with a mounting bolt (24) through a first mounting hole (23), and the outside of the shell (18) is provided with a second mounting hole (25) corresponding to the first mounting hole (23).
4. A low temperature resistant centrifugal pump according to claim 1, wherein: the centrifugal pump body (1) is located inside the shell (18), and the protective cover (3) is located on the outer side of the shell (18).
5. A low temperature resistant centrifugal pump according to claim 1, wherein: one end at the top of the centrifugal pump body (1) is provided with a centrifugal pump outlet (2), and one side of the centrifugal pump body (1) is provided with a centrifugal pump water inlet (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222619628.2U CN218991974U (en) | 2022-10-07 | 2022-10-07 | Low-temperature-resistant centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222619628.2U CN218991974U (en) | 2022-10-07 | 2022-10-07 | Low-temperature-resistant centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218991974U true CN218991974U (en) | 2023-05-09 |
Family
ID=86191605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222619628.2U Active CN218991974U (en) | 2022-10-07 | 2022-10-07 | Low-temperature-resistant centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218991974U (en) |
-
2022
- 2022-10-07 CN CN202222619628.2U patent/CN218991974U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |