CN212409354U - Vacuum cooling system of samarium cobalt vacuum sintering stove - Google Patents
Vacuum cooling system of samarium cobalt vacuum sintering stove Download PDFInfo
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- CN212409354U CN212409354U CN202021238608.5U CN202021238608U CN212409354U CN 212409354 U CN212409354 U CN 212409354U CN 202021238608 U CN202021238608 U CN 202021238608U CN 212409354 U CN212409354 U CN 212409354U
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Abstract
The utility model relates to a vacuum cooling system of samarium cobalt vacuum sintering stove, affiliated samarium cobalt magnet sintering cooling arrangement technical field, including the vacuum sintering stove furnace body, vacuum sintering stove furnace body side be equipped with the centrifugal fan of vacuum sintering stove furnace body looks pipeline intercommunication, centrifugal fan and vacuum sintering stove furnace body between be equipped with many folds formula torrent heat exchange assemblies, many folds formula torrent heat exchange assemblies and vacuum sintering stove furnace body between be equipped with the connecting tube, many folds formula torrent heat exchange assemblies and centrifugal fan between be equipped with Z style of calligraphy pipeline. The cooling device has the characteristics of simple structure, high cooling speed, energy conservation, environmental protection and convenience in disassembly and assembly. The problem that the production efficiency cannot meet the requirement is solved.
Description
Technical Field
The utility model relates to a samarium cobalt magnet sintering cooling arrangement technical field, concretely relates to vacuum cooling system of samarium cobalt vacuum sintering stove.
Background
The vacuum sintering furnace is a complete set of equipment which enables various metal powder pressed bodies to be sintered by utilizing the principle of resistance heating under the condition of vacuum or protective atmosphere, and can obtain the best material performance after being rapidly cooled in the cooling processing process. It is mainly suitable for sintering and heat treatment of hard alloy, powder metallurgy and magnetic material. As a sintered samarium cobalt material in the field of magnetic materials, in order to obtain relatively excellent comprehensive performance, the high consistency of vacuum degree and furnace temperature is required in the sintering process to ensure the consistency of product performance, and the cooling rate of a vacuum sintering furnace is also an important part of the samarium cobalt magnet capable of obtaining high comprehensive performance. However, after the sintering of the traditional vacuum sintering furnace is finished, the product is discharged from the furnace after reaching the normal temperature through natural cooling. Because the internal temperature of the vacuum sintering furnace is higher during working, the internal temperature is naturally cooled to below the specified temperature or even normal temperature, and the required time is longer; meanwhile, in order to ensure the quality of products, the furnace door cannot be opened during cooling, so that the vacuum sintering furnace is cooled very slowly, and the production efficiency is further influenced.
In the prior art, chinese patent CN203992395U discloses a cooling system of a vacuum sintering furnace, which includes a cooling circulation fan for supplying air into the sintering furnace, an air outlet of the sintering furnace is communicated with an air inlet of the cooling circulation fan to form a closed-loop air duct, a pipeline between the air outlet of the sintering furnace and the air inlet of the cooling circulation fan is provided with a cooler, and the cooler is a heat exchange cooling coil.
Chinese patent CN107036436B discloses a cooling system of a sintering furnace, which comprises an upper cooler, a lower cooler, a first roots pump, a second roots pump, an atmospheric jet pump, a water ring pump and a cooling device in the furnace, wherein the upper cooler is communicated with the cooling device in the furnace and is sequentially communicated with the first roots pump, the second roots pump, the atmospheric jet pump and the water ring pump; and the lower cooler is communicated with the cooling device in the furnace and is sequentially communicated with the second roots pump, the atmosphere jet pump and the water ring pump.
In the prior art, the purpose of vacuum sintering and rapid cooling is achieved mainly through the transformation of a circulating fan and the connection of a cooler, but the electric energy consumption of the fan is high, and the cooling rate is still limited; the access of the related cooling equipment increases the equipment cost and the difficulty of disassembly and assembly, so that the industrial production requirement of maximizing the production benefit is difficult to meet.
Disclosure of Invention
The utility model discloses mainly solve and to have among the prior art that cooling rate is slower, power consumption is great, equipment cost is high and the dismouting degree of difficulty is big not enough, provide a vacuum cooling system of samarium cobalt vacuum sintering stove, it has simple structure, cooling rate is fast, energy-concerving and environment-protective and the convenient characteristics of dismouting. The problem that the production efficiency cannot meet the requirement is solved.
The above technical problem of the present invention can be solved by the following technical solutions:
the utility model provides a vacuum cooling system of samarium cobalt vacuum sintering stove, includes the vacuum sintering stove furnace body, vacuum sintering stove furnace body side be equipped with the centrifugal fan of vacuum sintering stove furnace body looks pipeline intercommunication, centrifugal fan and vacuum sintering stove furnace body between be equipped with many folds formula torrent heat transfer subassembly, many folds formula torrent heat transfer subassembly and vacuum sintering stove furnace body between be equipped with the connecting tube, many folds formula torrent heat transfer subassembly and centrifugal fan between be equipped with Z style of calligraphy pipeline.
The flow resistance effect of the Z-shaped pipeline is higher than that of an equivalent common straight pipe by more than 3 times, and the heat medium is always kept in a turbulent flow state, so that the aim of continuously stopping the refrigerant in the pipeline is fulfilled, and the continuous heat release of the medium material is ensured.
Preferably, the multi-fold turbulence heat exchange assembly comprises a heat exchange pipe body, a plurality of multi-fold turbulence frames are arranged in the heat exchange pipe body, and connecting flange plates which are integrally welded with the heat exchange pipe body are arranged between the upper end of the heat exchange pipe body and the connecting pipeline and between the lower end of the heat exchange pipe body and the Z-shaped pipeline.
Preferably, the upper part of the heat exchange tube body is provided with a water outlet tube communicated with the multi-fold turbulence frame, and the lower part of the heat exchange tube body is provided with a water inlet tube communicated with the multi-fold turbulence frame.
Preferably, the multi-fold turbulence frame comprises a turbulence spiral curve cooling pipe communicated with the water outlet pipe and the water inlet pipe, and a plurality of multi-fold pieces which are fixedly welded with the turbulence spiral curve cooling pipe in a penetrating manner and are distributed spirally at equal intervals are arranged on the turbulence spiral curve cooling pipe.
A media air current for samarium cobalt magnet cooling constantly accelerates and constantly forms the torrent along with torrent spiral curve cooling tube, through the collision of many times and many tabs simultaneously, reaches the purpose of rapid cooling.
Preferably, the offset angle between two adjacent multi-folded pieces is 1 to 3 degrees.
Preferably, the upper part of the multi-fold turbulence heat exchange assembly is provided with a water outlet connecting flange pipe fixedly connected with a water outlet pipe through a flange type bolt, and the lower part of the multi-fold turbulence heat exchange assembly is provided with a water inlet connecting flange pipe fixedly connected with a water inlet pipe through a flange type bolt.
Preferably, the shell of the heat exchange tube body is made of carbon steel or stainless steel, and the inner wall of the heat exchange tube body is made of copper alloy.
The utility model discloses can reach following effect:
the utility model provides a vacuum cooling system of samarium cobalt vacuum sintering stove compares with prior art, has simple structure, cooling rate is fast, energy-concerving and environment-protective and the convenient characteristics of dismouting. The problem that the production efficiency cannot meet the requirement is solved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the top view structure of the multi-fold turbulent heat exchange assembly of the present invention.
Fig. 3 is a partial sectional view of the front view structure of the multifolding turbulent heat exchange assembly of the present invention.
In the figure: the device comprises a centrifugal fan 1, a vacuum sintering furnace body 2, a connecting pipeline 3, a multi-fold turbulence heat exchange assembly 4, a water outlet connecting flange pipe 5, a Z-shaped pipeline 6, a water inlet connecting flange pipe 7, a heat exchange pipe body 8, a connecting flange disc 9, a multi-fold turbulence frame 10, a water outlet pipe 11, a multi-fold sheet 12, a turbulence volute curve cooling pipe 13 and a water inlet pipe 14.
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, fig. 2 and fig. 3, a vacuum cooling system of samarium cobalt vacuum sintering stove, including vacuum sintering stove furnace body 2, 2 sides of vacuum sintering stove furnace body are equipped with centrifugal fan 1 with 2 looks pipelines of vacuum sintering stove furnace body intercommunication, are equipped with many folds formula torrent heat transfer assembly 4 between centrifugal fan 1 and vacuum sintering stove furnace body 2, and many folds formula torrent heat transfer assembly 4 includes heat transfer body 8, and the shell material of heat transfer body 8 is carbon steel or stainless steel, and the inner wall material of heat transfer body 8 is the copper alloy. The upper part of the heat exchange tube body 8 is provided with a water outlet pipe 11 communicated with the multi-fold turbulence frame 10, and the lower part of the heat exchange tube body 8 is provided with a water inlet pipe 14 communicated with the multi-fold turbulence frame 10. 7 sets of multi-folding turbulence frames 10 are arranged in the heat exchange tube body 8, each multi-folding turbulence frame 10 comprises a turbulence spiral curve cooling tube 13 communicated with a water outlet tube 11 and a water inlet tube 14, and 180 multi-folding pieces 12 which are fixedly welded with the turbulence spiral curve cooling tubes 13 in a penetrating mode and are distributed spirally at equal intervals are arranged on each turbulence spiral curve cooling tube 13. The staggered angle between two adjacent multifolds 12 is 2 degrees. Connecting flanges 9 integrally welded with the heat exchange tube body 8 are arranged between the upper end of the heat exchange tube body 8 and the connecting pipeline 3 and between the lower end of the heat exchange tube body 8 and the Z-shaped pipeline 6. The upper part of the multi-folding turbulent heat exchange component 4 is provided with an outlet connecting flange pipe 5 which is fixedly connected with a flange type bolt of the outlet pipe 11, and the lower part of the multi-folding turbulent heat exchange component 4 is provided with an inlet connecting flange pipe 7 which is fixedly connected with a flange type bolt of the inlet pipe 14. A connecting pipeline 3 is arranged between the multi-fold turbulent flow heat exchange component 4 and the vacuum sintering furnace body 2, and a Z-shaped pipeline 6 is arranged between the multi-fold turbulent flow heat exchange component 4 and the centrifugal fan 1.
The centrifugal fan 1 is used for driving the multi-fold turbulent flow heat exchange component 4 to circularly cool the cooling medium, so that the cooling rate of the samarium cobalt magnet in the vacuum sintering furnace body 2 reaches 220 ℃/min, only 5min is needed for cooling from 1200 ℃ to 100 ℃, and the magnet is ensured to achieve the characteristics of high coercivity and high remanence.
When cooling heat media enter the heat exchange pipe body 8 in the multi-fold turbulence heat exchange assembly 4 from the vacuum sintering furnace body 2 through the connecting pipeline 3, a multi-fold piece 12 and a turbulence spiral curve cooling pipe 13 are adopted, and the heat media are in a spiral distribution structure through the multi-fold piece 12 and a water cooling structure of the turbulence spiral curve cooling pipe 13, so that an accelerated turbulence collision contact type cooling effect is formed. After the heat medium is cooled, the heat medium is sent into the vacuum sintering furnace body 2 again by the centrifugal fan 1 after passing through the Z-shaped pipeline 6.
In conclusion, the vacuum cooling system of the samarium cobalt vacuum sintering furnace has the characteristics of simple structure, high cooling speed, energy conservation, environmental protection and convenience in disassembly and assembly. The problem that the production efficiency cannot meet the requirement is solved.
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. The utility model provides a vacuum cooling system of samarium cobalt vacuum sintering stove, includes vacuum sintering stove furnace body (2), its characterized in that: the vacuum sintering furnace is characterized in that a centrifugal fan (1) communicated with a vacuum sintering furnace body (2) through a pipeline is arranged on the side edge of the vacuum sintering furnace body (2), a multi-fold turbulence heat exchange assembly (4) is arranged between the centrifugal fan (1) and the vacuum sintering furnace body (2), a connecting pipeline (3) is arranged between the multi-fold turbulence heat exchange assembly (4) and the vacuum sintering furnace body (2), and a Z-shaped pipeline (6) is arranged between the multi-fold turbulence heat exchange assembly (4) and the centrifugal fan (1).
2. The vacuum cooling system of a samarium cobalt vacuum sintering furnace of claim 1, wherein: the multi-folding turbulence heat exchange assembly (4) comprises a heat exchange pipe body (8), a plurality of multi-folding turbulence frames (10) are arranged in the heat exchange pipe body (8), and connecting flange discs (9) which are integrally welded with the heat exchange pipe body (8) are arranged between the upper end of the heat exchange pipe body (8) and the connecting pipeline (3) and between the lower end of the heat exchange pipe body (8) and the Z-shaped pipeline (6).
3. The vacuum cooling system of a samarium cobalt vacuum sintering furnace of claim 2, wherein: the upper part of the heat exchange tube body (8) is provided with a water outlet pipe (11) communicated with the multi-fold turbulence frame (10), and the lower part of the heat exchange tube body (8) is provided with a water inlet pipe (14) communicated with the multi-fold turbulence frame (10).
4. The vacuum cooling system of a samarium cobalt vacuum sintering furnace of claim 3, wherein: the multi-fold turbulence rack (10) comprises turbulence spiral curve cooling pipes (13) communicated with a water outlet pipe (11) and a water inlet pipe (14), wherein a plurality of multi-fold pieces (12) which are fixedly welded with the turbulence spiral curve cooling pipes (13) in a penetrating manner and are distributed spirally at equal intervals are arranged on the turbulence spiral curve cooling pipes (13).
5. The vacuum cooling system of a samarium cobalt vacuum sintering furnace of claim 4, wherein: the staggered angle between two adjacent multi-fold pieces (12) is 1-3 degrees.
6. The vacuum cooling system of a samarium cobalt vacuum sintering furnace of claim 3, wherein: the upper part of the multi-folding turbulent flow heat exchange component (4) is provided with a water outlet connecting flange pipe (5) fixedly connected with a water outlet pipe (11) through a flange type bolt, and the lower part of the multi-folding turbulent flow heat exchange component (4) is provided with a water inlet connecting flange pipe (7) fixedly connected with a water inlet pipe (14) through a flange type bolt.
7. The vacuum cooling system of a samarium cobalt vacuum sintering furnace of claim 2, wherein: the shell of the heat exchange tube body (8) is made of carbon steel or stainless steel, and the inner wall of the heat exchange tube body (8) is made of copper alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021238608.5U CN212409354U (en) | 2020-06-30 | 2020-06-30 | Vacuum cooling system of samarium cobalt vacuum sintering stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021238608.5U CN212409354U (en) | 2020-06-30 | 2020-06-30 | Vacuum cooling system of samarium cobalt vacuum sintering stove |
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| Publication Number | Publication Date |
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| CN212409354U true CN212409354U (en) | 2021-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021238608.5U Active CN212409354U (en) | 2020-06-30 | 2020-06-30 | Vacuum cooling system of samarium cobalt vacuum sintering stove |
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| CN (1) | CN212409354U (en) |
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- 2020-06-30 CN CN202021238608.5U patent/CN212409354U/en active Active
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