CN218281726U - Device for rapidly pumping water vapor out of vacuum furnace - Google Patents
Device for rapidly pumping water vapor out of vacuum furnace Download PDFInfo
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- CN218281726U CN218281726U CN202222154052.7U CN202222154052U CN218281726U CN 218281726 U CN218281726 U CN 218281726U CN 202222154052 U CN202222154052 U CN 202222154052U CN 218281726 U CN218281726 U CN 218281726U
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Abstract
The application discloses a device for quickly pumping water vapor out of a vacuum furnace, which relates to the field of vacuum furnaces and comprises a product area vacuum pump, wherein a product area vacuum pipeline is fixedly installed at the output end of the product area vacuum pump, a communicated air pumping pipeline is fixedly installed at the top of the product area vacuum pipeline, a product cover is fixedly connected to the top of the communicated air pumping pipeline, a product area is arranged in the product cover, a communicated inflation pipeline is fixedly connected to the bottom of the product cover, and an inflation pipeline is fixedly connected to the bottom of the product cover; increase a product cover in the region of placing the product, form a relative airtight space product region, carry out vacuum pump evacuation to this inclosed product region, gas filled pipeline fills dry nitrogen gas, vacuum pump evacuation, gas filled pipeline fills dry nitrogen gas, through several cycles, let nitrogen gas come the replacement and adsorb steam, so that can clear away steam fast, solve when strengthening work efficiency and manual work and clear away steam and cause the problem of harm to the precision structure in the device easily.
Description
Technical Field
The application relates to the field of vacuum furnaces, in particular to a device for quickly pumping water vapor out of a vacuum furnace.
Background
The vacuum furnace is assembled by using vacuum pump, hollow measuring device and vacuum valve in the specific space of furnace cavity, and the partial material in the furnace cavity can be discharged, so that the pressure in the furnace cavity is less than a standard atmospheric pressure, and the space in the furnace cavity can be vacuum-operated.
Most of the existing vacuum furnaces are connected with a high vacuum pump system by a pipeline in a hearth which is sealed by a metal housing or a quartz glass cover, a heating system in the furnace can be directly electrified and heated by a resistance hot wire and can also be heated by high-frequency induction, the highest temperature can reach about 3000 ℃, and the vacuum furnace is mainly used for ceramic firing, vacuum smelting, degassing of electric vacuum parts and the like.
In the process of implementing the application, the inventor finds that the technology has at least the following problems: the water vapor in the air has stronger adsorbability to product materials, and the water vapor can be pumped out for a long time in the vacuum pumping process to achieve the required vacuum environment, particularly for some porous materials, the water vapor adsorbed by the porous materials is several times of that of common materials, and more time is needed for pumping out and removing time.
SUMMERY OF THE UTILITY MODEL
An object of this application is to provide a device of vacuum furnace fast pump out steam to solve current problem: the water vapor in the air has stronger adsorbability to product materials, and the water vapor can be pumped out for a long time in the vacuum pumping process to achieve the required vacuum environment, particularly for some porous materials, the water vapor adsorbed by the porous materials is several times of that of common materials, and more time is needed for pumping out and removing time.
In order to solve the technical problem, the method is realized through the following technical scheme: the utility model provides a device of vacuum furnace fast pump water vapour, includes the regional vacuum pump of product, the regional vacuum pump output end fixed mounting of product has the regional vacuum pipeline of product, regional vacuum pipeline top fixed mounting of product has the intercommunication bleed line, intercommunication bleed line top fixedly connected with product cover, the inside product region that is provided with of product cover, product cover bottom fixedly connected with intercommunication gas filled tube way, product cover bottom fixedly connected with gas filled tube way.
Further, the interior of the inflation pipeline is filled with pressurized dry nitrogen.
By adopting the scheme, the effect that the pressurized dry nitrogen can enter the product area more smoothly is achieved.
Furthermore, the communicating air exhaust pipeline and the communicating air charging pipeline are respectively provided with a plurality of air exhaust pipelines and are uniformly arranged in the product area.
By adopting the scheme, the effect that the communicated air exhaust pipeline and the communicated air charging pipeline can directly exhaust or charge air in the product area is achieved.
Further, the communication evacuation line extends through the product hood into the product region.
By adopting the scheme, the effect that the communicated air exhaust pipeline can directly exhaust the humid air in the product area is achieved.
Further, the communicating inflation conduit extends through the product hood into the product region.
By adopting the scheme, the effect that the communicated gas-filled pipeline can directly fill dry nitrogen in the product area is achieved.
Further, the product cover is arranged inside the vacuum furnace, and the top of the vacuum furnace is provided with a sealing cover.
By adopting the scheme, the effect of no pressure release when air is pumped in the product area is achieved.
Has the advantages that: increase a product cover in the region of placing the product, form a relative airtight space product region, carry out vacuum pump evacuation to this inclosed product region, gas filled tube fills dry nitrogen gas, vacuum pump evacuation, gas filled tube fills dry nitrogen gas, through circulation several times like this, let nitrogen gas come the replacement and adsorb the steam on the product, so that can clear away steam fast, solve when strengthening work efficiency and clear away steam the problem that the precision structure in the device caused the harm easily.
Drawings
FIG. 1 is a schematic view of the whole structure of a device for rapidly removing water vapor in a vacuum furnace according to the present application;
FIG. 2 is a schematic side view of the structure A of the device for rapidly removing water vapor in a vacuum furnace according to the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a product area vacuum pump; 2. a product zone vacuum line; 3. the air exhaust pipeline is communicated; 4. a product cover; 5. a product area; 6. the air charging pipeline is communicated; 7. and (3) an inflation pipeline.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-2, a device for rapidly pumping water vapor out of a vacuum furnace comprises a product region vacuum pump 1, a product region vacuum pipeline 2 is fixedly installed at the output end of the product region vacuum pump 1, a communicating air pumping pipeline 3 is fixedly installed at the top of the product region vacuum pipeline 2, a product cover 4 is fixedly connected to the top of the communicating air pumping pipeline 3, the product cover 4 is arranged inside the vacuum furnace, a sealing cover is arranged at the top of the vacuum furnace, and the effect that the pressure can not be released when air is pumped out of a product region 5 is achieved.
As shown in fig. 2, a product area 5 is arranged inside the product cover 4, the communicating air exhaust pipeline 3 penetrates through the product cover 4 and extends to the product area 5, so that the effect that the communicating air exhaust pipeline 3 can directly exhaust the humid air in the product area 5 is achieved, the bottom of the product cover 4 is fixedly connected with a communicating air charging pipeline 6, the communicating air charging pipeline 6 penetrates through the product cover 4 and extends to the product area 5, and the effect that the communicating air charging pipeline 6 can directly fill dry nitrogen into the product area 5 is achieved.
As shown in fig. 2, the communicating air exhaust pipeline 3 and the communicating air charging pipeline 6 are respectively provided with a plurality of air charging holes and are uniformly arranged in the product area 5, so that the effect that the communicating air exhaust pipeline 3 and the communicating air charging pipeline 6 can directly exhaust or charge air in the product area 5 is achieved, the air charging pipeline 7 is fixedly connected to the bottom of the product cover 4, pressurized dry nitrogen is filled in the air charging pipeline 7, and the effect that the pressurized dry nitrogen can enter the product area 5 more smoothly is achieved.
The implementation principle of the device for quickly pumping water vapor out of the vacuum furnace is as follows: when water vapor in the vacuum furnace needs to be removed, the product area vacuum pump 1 is started firstly, air in the product area 5 inside the product cover 4 is sucked out through the product area vacuum pipeline 2 and the communicated air suction pipeline 3 under the action of the product area vacuum pump 1, and then the air charging pipeline 7 conveys dry nitrogen to the product area 5 through the communicated air charging pipeline 6.
Through the circulation of several times extraction air, packing dry nitrogen gas, replace the steam that adsorbs on the product through dry nitrogen gas to eliminate steam fast.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (6)
1. The utility model provides a device of vacuum furnace evacuation steam fast, includes product region vacuum pump (1), its characterized in that: the product area vacuum pump is characterized in that a product area vacuum pipeline (2) is fixedly mounted at the output end of the product area vacuum pump (1), a communicating air exhaust pipeline (3) is fixedly mounted at the top of the product area vacuum pipeline (2), a product cover (4) is fixedly connected to the top of the communicating air exhaust pipeline (3), a product area (5) is arranged inside the product cover (4), a communicating air inflation pipeline (6) is fixedly connected to the bottom of the product cover (4), and an air inflation pipeline (7) is fixedly connected to the bottom of the product cover (4).
2. The apparatus for rapid evacuation of water vapor in a vacuum furnace according to claim 1, characterized in that the gas-filled tube (7) is filled with pressurized dry nitrogen gas.
3. The device for rapidly exhausting water vapor of a vacuum furnace according to claim 1, wherein the communicating exhaust pipeline (3) and the communicating inflation pipeline (6) are respectively and uniformly arranged in the product area (5).
4. The device for rapidly evacuating water vapor in a vacuum furnace according to claim 1, wherein the communication evacuation pipe (3) extends through the product hood (4) into the product area (5).
5. A device for the rapid evacuation of water vapor in a vacuum oven as claimed in claim 1, characterized in that the communication aeration line (6) extends through the product hood (4) into the product area (5).
6. The apparatus for rapid moisture removal in a vacuum furnace as claimed in claim 1, wherein the product cover (4) is disposed inside the vacuum furnace and the top of the vacuum furnace is provided with a sealing cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222154052.7U CN218281726U (en) | 2022-08-16 | 2022-08-16 | Device for rapidly pumping water vapor out of vacuum furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222154052.7U CN218281726U (en) | 2022-08-16 | 2022-08-16 | Device for rapidly pumping water vapor out of vacuum furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218281726U true CN218281726U (en) | 2023-01-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222154052.7U Active CN218281726U (en) | 2022-08-16 | 2022-08-16 | Device for rapidly pumping water vapor out of vacuum furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218281726U (en) |
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2022
- 2022-08-16 CN CN202222154052.7U patent/CN218281726U/en active Active
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