CN212106368U - Heat pipe type fin air cooling system for cooling bearing on high-temperature molten salt pump - Google Patents
Heat pipe type fin air cooling system for cooling bearing on high-temperature molten salt pump Download PDFInfo
- Publication number
- CN212106368U CN212106368U CN202020200793.2U CN202020200793U CN212106368U CN 212106368 U CN212106368 U CN 212106368U CN 202020200793 U CN202020200793 U CN 202020200793U CN 212106368 U CN212106368 U CN 212106368U
- Authority
- CN
- China
- Prior art keywords
- heat pipe
- bearing
- shaped
- bearing box
- molten salt
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Mounting Of Bearings Or Others (AREA)
Abstract
The utility model relates to a high temperature molten salt pump, concretely relates to be used for bearing refrigerated heat pipe formula fin air cooling system on high temperature molten salt pump. The utility model is provided with the U-shaped heat pipe, the heat conductivity of the U-shaped heat pipe exceeds that of any known metal, the heat on the bearing box can be rapidly transferred from the evaporation end to the condensation end, and the heat exchange efficiency is improved; the U-shaped heat pipe condensation end is provided with the umbrella-shaped annular fins, so that the heat transfer area is increased, the continuous development of a boundary layer of the U-shaped heat pipe condensation end is interrupted, the turbulence degree is improved, and the heat exchange performance of the U-shaped heat pipe is further improved; the upper wind wheel, the lower wind wheel and the spiral flow deflectors on the inner wall of the cover cylinder form a channel, so that the air flow path is controllable, and the heat dissipation effect of the umbrella-shaped annular fins is further improved.
Description
Technical Field
The utility model relates to a high temperature molten salt pump, concretely relates to be used for bearing refrigerated heat pipe formula fin air cooling system on high temperature molten salt pump.
Background
The high-temperature molten salt pump is a chemical pump mainly applied to alumina, aluminum hydroxide and organic chemical processes, and can also be used as a main coolant circulating pump to be applied to a solar thermal power generation process. How to improve the life of the upper bearing of the molten salt pump under the high-temperature environment becomes one of the main problems of the pump research, and the optimization of the cooling system of the upper bearing has great help to solve the problem of short service life of the bearing, so that the upper bearing cooling device of the molten salt pump, which has the advantages of obvious effect, moderate cost and intensive space, has important significance and engineering application value.
The heat pipe is a heat transfer element which fully utilizes the heat conduction principle and the rapid heat transfer property of a phase change medium, the heat conduction capability of the heat pipe exceeds the heat conduction capability of any known metal, the heat pipe can be used in a radiator to improve the heat dissipation efficiency and reduce the space of equipment, but the price of the heat pipe is expensive; fins are commonly used in heat exchange equipment, and the use of fins has the advantages of increasing heat transfer area and reducing heat resistance of convective heat exchange, and the heat transfer efficiency is lower but the price is low compared with that of a heat pipe.
At present, the existing patent provides a cooling device for a molten salt pump, and the utility model CN201721091310.4 provides a cooling device for a molten salt pump combining air cooling and water cooling, which has better cooling effect, but has larger equipment volume and low space intensification degree, and is not beneficial to the optimization selection of installation space; utility model CN201721129289.2 provides a novel high-efficient molten salt pump bearing air cooling system, has optimized the forced air cooling structure, and the space intensification degree is better and the radiating efficiency improves to some extent, and nevertheless its fin design is comparatively simple, and the radiating effect is general, and the cooperation is optimized the forced air cooling structure and still is failed the optimization that realizes the cooling effect.
Disclosure of Invention
The utility model aims at providing a be used for bearing refrigerated heat pipe formula fin forced air cooling system on high temperature molten salt pump to solve above-mentioned technical problem.
In order to realize the technical purpose, reach foretell technical requirement, the utility model discloses the technical scheme who adopts is: a heat pipe type fin air cooling system for cooling a bearing on a high-temperature molten salt pump comprises a motor base, a pump shaft and a bearing box, wherein a hole is formed in the center of the top of the bearing box, the bearing is installed in the bearing box, a U-shaped heat pipe is installed on the outer surface of the bearing box, umbrella-shaped annular fins are arranged on the outer side of a condensation section of the U-shaped heat pipe, a cover cylinder is arranged on the outer side of the bearing box, and a spiral flow deflector is arranged on the inner wall of the cover cylinder to; the top end of the pump shaft extends out of the cover cylinder, the upper end of the pump shaft is provided with an upper wind wheel which is positioned in the cover cylinder, the middle end of the pump shaft is arranged in a center hole at the top end of the bearing box and is in transition connection with the center hole, the bearing is matched with the middle end of the pump shaft in a base hole mode, the lower end of the pump shaft is arranged in a center hole at the upper surface of the motor base and is in transition connection with the center hole, the lower end of the pump shaft is provided with a lower wind wheel which is positioned in; the upper surface of the motor base is provided with annular array wind holes and is communicated with an inner space formed by the cover cylinder and the bearing box; the pump shaft rotates to drive the upper wind wheel and the lower wind wheel to rotate, and an external power supply is not needed.
The number and the positions of the annular array wind holes are consistent with those of the U-shaped heat pipes.
The inclination angle of the spiral flow deflector to the horizontal direction is 5 degrees;
the U-shaped heat pipe 1/3 is an evaporation end, 1/3 is a middle end, and 1/3 is a condensation end; the contact part of the U-shaped heat pipe and the bearing box is an evaporation end; 1/3 occupying the total length of the U-shaped heat pipe, the middle end connected with the evaporation end, 1/3 occupying the total length of the U-shaped heat pipe, and the rest 1/3 occupying the condensation end.
The utility model has the advantages that: a heat pipe formula fin forced air cooling system for bearing cooling on high temperature molten salt pump compares with traditional structure: the U-shaped heat pipe is arranged, the heat conduction capability of the U-shaped heat pipe exceeds that of any known metal, heat on the bearing box can be rapidly transferred from the evaporation end to the condensation end, and the heat exchange efficiency is improved; the U-shaped heat pipe condensation end is provided with the umbrella-shaped annular fins, so that the heat transfer area is increased, the continuous development of a boundary layer of the U-shaped heat pipe condensation end is interrupted, the turbulence degree is improved, and the heat exchange performance of the U-shaped heat pipe is further improved; the upper wind wheel, the lower wind wheel and the spiral flow deflectors on the inner wall of the cover cylinder form a channel, so that the air flow path is controllable, and the heat dissipation effect of the umbrella-shaped annular fins is further improved.
Drawings
Fig. 1 is a schematic view of the structure and the air-cooling air flow path of the present invention.
Fig. 2 is a schematic view of the heat pipe position distribution in the present invention.
Fig. 3 is the assembly schematic diagram of the U-shaped heat pipe and the bearing housing of the present invention.
Fig. 4 is a schematic view of the U-shaped heat pipe and the umbrella-shaped annular rib structure of the present invention.
Fig. 5 is a schematic diagram of a pump shaft structure.
Fig. 6 is a top view of the motor base.
In the figure: 1. an upper wind wheel; 2. a spiral flow deflector; 3. a continuous helical groove; 4. a cover cylinder; 5 umbrella-shaped annular ribs; 6, U-shaped heat pipes; 7. a motor base; 8. a lower wind wheel; 9. a bearing housing; 10. a bearing; 11. a pump shaft; 12. a wind hole; 13. an air path into the upper wind wheel; 14. an air path in the continuous helical groove; 15. the air enters the air path of the lower wind wheel after passing through the radiating fins; 16. the lower wind wheel flows out of the air path; 17. a bolt; 18. a threaded hole; 19. a circular groove; 20. a semicircular groove; 21. the top end of the pump shaft; 22. the upper end of the pump shaft; 23. the middle end of the pump shaft; and 24, the lower end of a pump shaft.
Detailed Description
In order to make the objects, technical solutions, advantages, and the like of the present invention more clear, the present invention is further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention.
As shown in fig. 1: a heat pipe type fin air cooling system for cooling a bearing on a high-temperature molten salt pump comprises a motor base 7, a pump shaft 11 and a bearing box 9, wherein a bearing 10 is installed in the bearing box 9, an upper wind wheel 1 is arranged at the upper end of the bearing 10, a lower wind wheel 8 is arranged at the lower end of the bearing 10, a U-shaped heat pipe 6 is installed on the outer surface of the bearing box 9, and an umbrella-shaped annular fin 5 is arranged on the outer side of a condensation section of the U-shaped heat pipe 6; an annular array wind hole 12 is formed in the surface of the motor base 7; the outer side of the bearing box 9 is provided with a cover cylinder 4, the cover cylinder 4 is installed on the motor base 7, and the inner wall of the cover cylinder 4 is provided with a spiral flow deflector 2 to form a continuous spiral groove 3. The upper wind wheel 1 introduces cold air from the outside, namely an air path 13 entering the upper wind wheel vertically and downwards, and a part of air can spirally move downwards along the spiral direction of the continuous spiral groove 3 under the action of the cover cylinder 4 and the spiral flow deflector 2, namely an air path 14 in the continuous spiral groove and an air path spirally downwards along the continuous spiral groove; the contact time of the air and the umbrella-shaped annular fins 5 is prolonged, and the heat exchange efficiency is improved; the other part of air is blown down vertically to blow out the waste heat, so that the heat exchange effect is enhanced, namely the air enters an air path 15 of the lower wind wheel after passing through the radiating fins and vertically enters the air path of the lower wind wheel after passing through the radiating fins; enters the motor base 7 through the wind hole 12, is led out through the lower wind wheel 8, and is a lower wind wheel outflow air path 16 which is an air path flowing out horizontally and outwards through the lower wind wheel; the air may follow the path of fig. 1.
As shown in fig. 2: 12 to 20U-shaped heat pipes 6 are arrayed on the outer surface of the bearing box 9, and the specific number can be determined according to the outer diameter of the box body of the bearing box.
As shown in fig. 3: the bearing box 9 surface is opened there are 12 to 20 and U type heat pipe 6 diameter matched with half slot 20, and specific quantity can be confirmed according to heat pipe quantity, and the bearing box top extends on the half slot, forms circular slot 19, wraps the top on the U type heat pipe 6 evaporation end, opens the screw hole 18 that has two vertical ranges simultaneously to with bolt 17 screw in, the U type heat pipe position is fixed simultaneously to half slot 20 structure and bolt 17, is convenient for simultaneously assemble and change U type heat pipe 6.
As shown in fig. 4: the U-shaped heat pipe 6 and the umbrella-shaped annular fins 5 are integrally cast, 8 umbrella-shaped annular fins 5 are uniformly distributed at the condensation end of the U-shaped heat pipe 6 from top to bottom, the inclination angle of the umbrella-shaped annular fins 5 to the horizontal direction is 12-18 degrees, and the outer diameter is three times of the diameter of the U-shaped heat pipe 6.
As shown in fig. 5: the pump shaft 11 can be divided into four parts, namely a pump shaft top end 21, a pump shaft upper end 22, a pump shaft middle end 23 and a pump shaft lower end 24.
As shown in fig. 6: annular array wind holes 12 are formed in the surface of the motor base 7, and the number and the positions of the annular array wind holes are consistent with those of the U-shaped heat pipes.
The working process of the present invention is further explained below:
when the heat pipe type annular fin heat pipe is implemented, the heat pipe type fins are installed outside the bearing box to conduct heat transfer and heat dissipation, the evaporation end of the U-shaped heat pipe 6 is tightly attached to the bearing box to absorb heat, the liquid absorption core evaporates and is transferred to the condensation end through the middle end, the liquid absorption core condenses and releases heat and returns to the evaporation end under the capillary action, the heat is transferred to the umbrella-shaped annular fin 5 to conduct heat dissipation, and the efficient heat transfer effect is achieved; the upper wind wheel 1 introduces cold air from the outside, and under the action of the cover cylinder 4 and the spiral flow deflector 2, part of air can spirally move downwards along the spiral direction of the continuous spiral groove 3, so that the contact time of the air and the umbrella-shaped annular fins 5 is prolonged, and the heat exchange efficiency is improved; the other part of air is blown down vertically to blow out the waste heat, the heat exchange effect is enhanced, the air enters the lower wind wheel 8 chamber through the wind holes 12 and is guided out, the controllability of the air flow path is realized, and the reasonable flow path is favorable for improving the air cooling effect.
The above embodiments are only used for illustrating the design ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, and the protection scope of the present invention is not limited to the above embodiments. Therefore, all the equivalent changes or modifications made according to the principles and design ideas disclosed by the present invention are within the protection scope of the present invention.
Claims (6)
1. A heat pipe type fin air cooling system for cooling a bearing on a high-temperature molten salt pump is characterized by comprising a motor base, a pump shaft and a bearing box; the center of the top of the bearing box is provided with a hole, a bearing is arranged in the bearing box, the outer surface of the bearing box is provided with a U-shaped heat pipe, the outer side of a condensation section of the U-shaped heat pipe is provided with umbrella-shaped annular fins, the outer side of the bearing box is provided with a cover cylinder, and the inner wall of the cover cylinder is provided with a spiral flow deflector to form a continuous spiral groove; the top end of the pump shaft extends out of the cover cylinder, the upper end of the pump shaft is provided with an upper wind wheel which is positioned in the cover cylinder, the middle end of the pump shaft is arranged in a center hole at the top end of the bearing box and is in transition connection with the center hole, the bearing is matched with the middle end of the pump shaft in a base hole mode, the lower end of the pump shaft is arranged in a center hole at the upper surface of the motor base and is in transition connection with the center hole, the lower end of the pump shaft is provided with a lower wind wheel which is positioned in; the upper surface of the motor base is provided with annular array wind holes and is communicated with an inner space formed by the cover cylinder and the bearing box; the pump shaft rotates to drive the upper wind wheel and the lower wind wheel to rotate.
2. The heat pipe type finned air cooling system for bearing cooling of a high temperature molten salt pump according to claim 1, wherein the number and the position of the annular array of air holes are consistent with those of the U-shaped heat pipes.
3. The heat pipe type finned air cooling system for bearing cooling of high temperature molten salt pump according to claim 1 wherein the angle of inclination of the spiral deflector to the horizontal is 5 °.
4. The heat pipe finned air cooling system for bearing cooling on high temperature molten salt pump of claim 1 wherein said U-shaped heat pipe 1/3 is evaporation end, 1/3 is middle end, 1/3 is condensation end; the contact part of the U-shaped heat pipe and the bearing box is an evaporation end; 1/3 occupying the total length of the U-shaped heat pipe, the middle end connected with the evaporation end, 1/3 occupying the total length of the U-shaped heat pipe, and the rest 1/3 occupying the condensation end.
5. The heat pipe type finned air cooling system for cooling the bearing on the high-temperature molten salt pump as claimed in claim 1, wherein 12 to 20U-shaped heat pipes are arrayed on the outer surface of the bearing box; the bearing box surface is opened there are 12 to 20 and U type heat pipe diameter matched with half slots, and the bearing box top extends on the half slot, forms the circular slot, holds the top and wraps on U type heat pipe evaporation, opens the screw hole that has two vertical ranges simultaneously to with the bolt screw in, the U type heat pipe position is fixed simultaneously to half slot structure and bolt, is convenient for assemble simultaneously and changes U type heat pipe.
6. The heat pipe type fin air cooling system for cooling the bearing on the high temperature molten salt pump as claimed in claim 1, wherein the U-shaped heat pipe and the umbrella-shaped annular fins are integrally cast, 8 umbrella-shaped annular fins are uniformly distributed from top to bottom at the condensation end of the U-shaped heat pipe, the inclination angle of the umbrella-shaped annular fins to the horizontal direction is 12 degrees to 18 degrees, and the outer diameter is three times the diameter of the U-shaped heat pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020200793.2U CN212106368U (en) | 2020-02-24 | 2020-02-24 | Heat pipe type fin air cooling system for cooling bearing on high-temperature molten salt pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020200793.2U CN212106368U (en) | 2020-02-24 | 2020-02-24 | Heat pipe type fin air cooling system for cooling bearing on high-temperature molten salt pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212106368U true CN212106368U (en) | 2020-12-08 |
Family
ID=73632075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020200793.2U Expired - Fee Related CN212106368U (en) | 2020-02-24 | 2020-02-24 | Heat pipe type fin air cooling system for cooling bearing on high-temperature molten salt pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212106368U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111207109A (en) * | 2020-02-24 | 2020-05-29 | 江苏大学 | Heat pipe type fin air cooling system for cooling bearing on high-temperature molten salt pump |
-
2020
- 2020-02-24 CN CN202020200793.2U patent/CN212106368U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111207109A (en) * | 2020-02-24 | 2020-05-29 | 江苏大学 | Heat pipe type fin air cooling system for cooling bearing on high-temperature molten salt pump |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108397935A (en) | Heat-exchanger rig and semiconductor refrigerating equipment with the heat-exchanger rig | |
| CN105737631A (en) | Heat tube type water-saving device used for cross-flow cooling tower | |
| CN201368606Y (en) | Flat-plate solar energy photovoltaic electricity-heat conversion device by adopting heat pipe to cool | |
| CN212106368U (en) | Heat pipe type fin air cooling system for cooling bearing on high-temperature molten salt pump | |
| CN111288022A (en) | Heat pipe auxiliary type heat dissipation system for cooling bearing on high-temperature molten salt pump | |
| CN2720631Y (en) | Fin heat-tube radiator | |
| CN212106367U (en) | Heat pipe auxiliary type heat dissipation system for cooling bearing on high-temperature molten salt pump | |
| CN211575316U (en) | Radiating component, radiator and air conditioner | |
| CN112229240A (en) | Low-temperature heating radiating tube and radiator | |
| CN111207109A (en) | Heat pipe type fin air cooling system for cooling bearing on high-temperature molten salt pump | |
| CN2834122Y (en) | Remote wind-cooled micro-grooves phase change heat radiation system | |
| CN102562484A (en) | Radiating device of wind power generation water cooling system and water cooling system | |
| CN202483806U (en) | Heat dissipation device of wind power generation water-cooling system and water-cooling system | |
| CN205664330U (en) | High -power light -emitting diode (LED) radiator | |
| CN217354525U (en) | Self-radiating automobile cooling water pump | |
| CN215988315U (en) | Oil-immersed distribution transformer heat abstractor | |
| CN206894414U (en) | The boiler pump motor of high efficiency and heat radiation | |
| CN212564233U (en) | Speed reducer with cooling and heat dissipation device | |
| CN211351962U (en) | Alternating current motor with excellent heat dissipation performance | |
| CN208187171U (en) | A kind of more shunting tubular type cooling towers | |
| CN2648324Y (en) | Electric heater | |
| CN221006002U (en) | Evaporation type condenser | |
| CN201047722Y (en) | Wave shape heat radiating fin hydrologic cycle heat radiator | |
| CN205537253U (en) | Heat transfer device and have this heat transfer device's semiconductor refrigeration refrigerator | |
| CN215810332U (en) | Steam heat exchanger |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201208 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |