CN105865212B - Quick air-cooling vacuum furnace - Google Patents
Quick air-cooling vacuum furnace Download PDFInfo
- Publication number
- CN105865212B CN105865212B CN201610356567.1A CN201610356567A CN105865212B CN 105865212 B CN105865212 B CN 105865212B CN 201610356567 A CN201610356567 A CN 201610356567A CN 105865212 B CN105865212 B CN 105865212B
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- vacuum
- air
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- valve
- cooling
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D9/00—Cooling of furnaces or of charges therein
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D9/00—Cooling of furnaces or of charges therein
- F27D2009/007—Cooling of charges therein
- F27D2009/0072—Cooling of charges therein the cooling medium being a gas
- F27D2009/0075—Cooling of charges therein the cooling medium being a gas in direct contact with the charge
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Furnace Details (AREA)
Abstract
The invention discloses a kind of quick air-cooling vacuum furnaces.It includes vacuum heating chamber and air accumulator, heating in vacuum is provided with heating element in room, the top of vacuum heating chamber is connected to the bleeding point of a vacuum pump by vacuum pumping valve, the exhaust outlet of vacuum pump connects a triple valve, one end connection air accumulator of triple valve, other end connects an air bleeding valve, the lower part of vacuum heating chamber sets air inlet, intake valve is installed at the air inlet of vacuum heating chamber, intake valve connects a totally-enclosed wind turbine, the air inlet of totally-enclosed wind turbine is connected with air accumulator, the top of vacuum heating chamber is additionally provided with recyclegas outlet, the recyclegas outlet of vacuum heating chamber is connected with gas cooler, gas cooler is connected with air accumulator.After above-mentioned structure, substantially increase the cooling velocity after heat treatment of workpieces and effectively recycled Xun Huan air cooling, so as to reduce production cost.
Description
Technical field
The present invention relates to a kind of vacuum drying oven, specifically a kind of quick air-cooling vacuum furnace.
Background technology
Traditional vacuum drying oven, not only system structure design is complicated, and system line design is unreasonable, to heat treatment of workpieces
Postcooling speed is slower or consumes a large amount of inert gas circulating coolings, but cannot effectively recycle, and causes the increasing of production cost
Add.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of quick air-cooling vacuum furnaces that can effectively recycle Xun Huan air cooling.
In order to solve the above-mentioned technical problem, quick air-cooling vacuum furnace of the invention, including vacuum heating chamber and air accumulator, very
Heating element is provided in empty heating chamber, the top of vacuum heating chamber is connected to the pumping of a vacuum pump by vacuum pumping valve
Mouthful, the exhaust outlet of vacuum pump connects a three-way device, one end connection air accumulator of three-way device, other end and ambient atmosphere
It communicates, the lower part of vacuum heating chamber sets air inlet, and intake valve, intake valve connection one are equipped at the air inlet of vacuum heating chamber
A totally-enclosed wind turbine, the air inlet of totally-enclosed wind turbine are connected with air accumulator, and the top of vacuum heating chamber is additionally provided with recyclegas
Outlet, the recyclegas outlet of vacuum heating chamber are connected with gas cooler, gas cooler by a gas circulation valve and
Air accumulator connects.
The bleeding point of the vacuum pump also connects air accumulator after an air accumulator vacuum pumping valve.
Inert gas air entraining valve and safety valve are also set up on the air accumulator.
The top of the vacuum heating chamber sets a breather valve.
The top of the vacuum heating chamber also sets up a cover board, sets that there are one can drive cover board liter on the cover board
The driving element of drop.
Sealing ring is set between the cover board and vacuum heating chamber.
Heat-insulating material on the inner wall of the vacuum heating chamber is set, cooling water is provided on the outer wall of the vacuum heating chamber
Set.
The three-way device is communicated by air bleeding valve and ambient atmosphere.
After above-mentioned structure, due to the company controlled by each valve set between vacuum heating chamber and air accumulator
Logical circuit and gas cooler, when the AB of threeway Vavle switching is communicated, B outlets are connected with the external world by vacuum again by air bleeding valve
It heats indoor air to discharge to form vacuum, when triple valve, which is switched to AC, to be communicated, C outlets are connected with inertial gas tank, will
Inert gas in heating in vacuum room is withdrawn into air accumulator and realizes recycling, and gas cooler can realize fast quickly cooling during this
But, thus substantially increase the cooling velocity after heat treatment of workpieces and effectively recycled Xun Huan air cooling, so as to reduce life
Produce cost.
Description of the drawings
Fig. 1 is the structure diagram of the quick air-cooling vacuum furnace of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawings with specific embodiment, the quick air-cooling vacuum furnace of the present invention is described in further detail.
As shown in the figure, the quick air-cooling vacuum furnace of the present invention, including vacuum heating chamber 1 and air accumulator 2, vacuum heating chamber 1
Heating element 19 is inside fixedly installed, heating element 19 is sealed in by sealed insulation set in vacuum heating chamber 1, vacuum heating chamber
1 top is connected to the bleeding point of a vacuum pump 4, the exhaust outlet of vacuum pump 4 by vacuum pumping valve 3（A ports）Connection one
Three-way device 5, described three-way device 5 may be either triple valve, or the structure for the threeway that other components are formed, triple valve
5 one end（C-terminal mouth）Connect air accumulator 2, the other end of triple valve 5（B ports）Connect an air bleeding valve 9, vacuum heating chamber 1
Lower part be by heating workpiece area, the lower part of vacuum heating chamber 1 is provided with air inlet, is installed at the air inlet of vacuum heating chamber 1
There is intake valve 6, intake valve 6 connects a totally-enclosed wind turbine 7, and the air inlet and air accumulator 2 of totally-enclosed wind turbine 7 connect, and vacuum adds
The top in hot cell 1 is additionally provided with recyclegas outlet, and the recyclegas outlet of vacuum heating chamber 1 is connected with gas cooler 10,
Gas cooler 10 is connected by a gas circulation valve 8 and air accumulator 2, and when the AB of threeway Vavle switching is communicated, B outlets lead to again
It crosses air bleeding valve to discharge to form vacuum by the air in heating in vacuum room with extraneous connect, when triple valve, which is switched to AC, to be communicated, C goes out
Mouth is connected with inertial gas tank, and the inert gas in heating in vacuum room is withdrawn into inertial gas tank, realizes recycling.
Further, the bleeding point of described vacuum pump 4 also connects after an inert gas air accumulator vacuum pumping valve 11
The air accumulator 2 of inert gas is connect, it is true to being taken out in pipeline before thus filling inert gas in the air accumulator for the first time toward inert gas
Manage in vacancy, it is ensured that after filling in tank inert gas purity, also set up inert gas air entraining valve 12 on described air accumulator 2
With safety valve 13, the top of described vacuum heating chamber 1 sets a breather valve 14, and the top of described vacuum heating chamber 1 is also
One cover board 15 is set, is set on cover board 15 there are one the driving element 16 that cover board can be driven to lift, cover board 16 adds with vacuum
Sealing ring 17 is set between hot cell 1, and described driving element 16 is cylinder, is set on the inner wall of described vacuum heating chamber 1 exhausted
Hot material（Thermal energy during heating workpiece is made not leak, improves the efficiency of heating surface）, cooling jacket is provided on the outer wall of vacuum heating chamber 1
18, heating in vacuum chamber enclosure can be cooled down.
Its operation principle is as follows：
（1）Vacuum pumping valve 3, intake valve 6, gas circulation valve 8, inert gas air entraining valve 12, breather valve 14 and triple valve
AC be turned off, open inert gas air accumulator vacuum pumping valve 11, communicate triple valve AB, start vacuum pump, by inert gas
After air pumps in air accumulator, inert gas air accumulator vacuum pumping valve is closed, inert gas air entraining valve 12 is opened, to inert gas
Air accumulator 2 adds in pure normal pressure inert gas.
（2）Driving element opens the cover board 16 of vacuum heating chamber 1, after being put into workpiece, covers cover board 16, opens vacuum pumping valve
3, and triple valve AB is communicated, start vacuum pump and the air in heating in vacuum room is discharged to the external world, taken out when reaching vacuum degree true
Empty valve 3 is closed, and vacuum system stops.
（3）Heat workpiece.
（4）Intake valve 6 and gas circulation valve 8 are opened, and the atmosphere gas in inert gas air accumulator enters vacuum heating chamber,
Start totally-enclosed wind turbine, heated work pieces are carried out with circulating cooling, heated gas cooled device after gas circulation valve 8 is forced
Inert gas air accumulator is sent into after cold, when workpiece temperature drops to required temperature, intake valve 6 and gas circulation valve 8 are closed, entirely
Wind turbine is closed to stop.
（5）Vacuum pumping valve 3 and triple valve AC are opened, and inert gas in heating in vacuum room is withdrawn into inertia by vacuum pump startup
Vacuum pumping valve 3 and triple valve AC are closed after in gas storage tank.
（6）It opens 14 outside air of breather valve and enters vacuum heating chamber, open the cover board of vacuum heating chamber, take out workpiece.
Claims (8)
1. a kind of quick air-cooling vacuum furnace, it is characterised in that：Including vacuum heating chamber（1）And air accumulator（2）, vacuum heating chamber
（1）Inside it is provided with heating element, vacuum heating chamber（1）Top pass through vacuum pumping valve（3）It is connected to a vacuum pump（4）Pumping
Gas port, the vacuum pump（4）Exhaust outlet connect a three-way device（5）, the three-way device（5）One end connection air accumulator
（2）, other end and ambient atmosphere communicate, the vacuum heating chamber（1）Lower part set air inlet, vacuum heating chamber（1）'s
Intake valve is installed at air inlet（6）, the intake valve（6）Connect a totally-enclosed wind turbine（7）, the totally-enclosed wind turbine（7）
Air inlet and air accumulator（2）Connection, the vacuum heating chamber（1）Top be additionally provided with recyclegas outlet, the vacuum
Heating chamber（1）Recyclegas outlet be connected with gas cooler（10）, the gas cooler（10）It is followed by a gas
Ring valve（8）And air accumulator（2）Connection.
2. quick air-cooling vacuum furnace described in accordance with the claim 1, it is characterised in that：The vacuum pump（4）Bleeding point also pass through
Cross an air accumulator vacuum pumping valve（11）After connect air accumulator（2）.
3. quick air-cooling vacuum furnace described in accordance with the claim 1, it is characterised in that：The air accumulator（2）On also set up inertia
Gas air entraining valve（12）And safety valve（13）.
4. quick air-cooling vacuum furnace described in accordance with the claim 1, it is characterised in that：The vacuum heating chamber（1）Top set
Put a breather valve（14）.
5. quick air-cooling vacuum furnace described in accordance with the claim 1, it is characterised in that：The vacuum heating chamber（1）Top also
One cover board is set（15）, the cover board（15）There are one the driving elements that cover board can be driven to lift for upper setting（16）.
6. according to the quick air-cooling vacuum furnace described in claim 5, it is characterised in that：The cover board（15 ）With vacuum heating chamber
（1）Between sealing ring is set（17）.
7. according to the quick air-cooling vacuum furnace described in claim 6, it is characterised in that：The vacuum heating chamber（1）Inner wall on
Heat-insulating material, the vacuum heating chamber are set（1）Outer wall on be provided with cooling jacket（18）.
8. quick air-cooling vacuum furnace described in accordance with the claim 1, it is characterised in that：The three-way device（5）Pass through air bleeding valve
（9）It is communicated with ambient atmosphere.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610356567.1A CN105865212B (en) | 2016-05-26 | 2016-05-26 | Quick air-cooling vacuum furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610356567.1A CN105865212B (en) | 2016-05-26 | 2016-05-26 | Quick air-cooling vacuum furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105865212A CN105865212A (en) | 2016-08-17 |
| CN105865212B true CN105865212B (en) | 2018-05-22 |
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ID=56641998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610356567.1A Active CN105865212B (en) | 2016-05-26 | 2016-05-26 | Quick air-cooling vacuum furnace |
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| CN (1) | CN105865212B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114623378A (en) * | 2022-01-21 | 2022-06-14 | 北京国科环宇科技股份有限公司 | Method for vacuumizing vacuum container |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2605544Y (en) * | 2003-02-21 | 2004-03-03 | 司书珂 | Bell type inert gas-shielded fritting furnace |
| US7105126B2 (en) * | 2003-08-28 | 2006-09-12 | Vacuum Furnace Systems Corporation | Flapper gas nozzle assembly |
| JP5407153B2 (en) * | 2008-03-12 | 2014-02-05 | 株式会社Ｉｈｉ | Single-chamber vacuum heat treatment furnace |
| US8630328B2 (en) * | 2008-09-26 | 2014-01-14 | Ulvac, Inc. | Melting furnace |
| CN102914168B (en) * | 2012-11-18 | 2015-05-06 | 昆山市大金机械设备厂 | Gas circulating and cooling device of induction heating furnace |
| CN205718488U (en) * | 2016-05-26 | 2016-11-23 | 江苏源之翼电气有限公司 | Quickly air-cooling vacuum furnace |
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2016
- 2016-05-26 CN CN201610356567.1A patent/CN105865212B/en active Active
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| Publication number | Publication date |
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| CN105865212A (en) | 2016-08-17 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20180412 Address after: Hongze District of Huaian city in 223001 Jiangsu County of Hongze Province east of Shuanggou Town Industrial Zone Applicant after: Source wing intelligent equipment manufacturing (Jiangsu) Co., Ltd. Address before: 212132 Zhenjiang City, Jiangsu Province, Zhenjiang New District, the town of Side Village Applicant before: JIANGSU YUANZHIYI ELECTRIC CO., LTD. |
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Effective date of registration: 20201209 Address after: Room 2211, Jinning Road, Linghua District, Shandong Province Patentee after: Jining xinruida Information Technology Co., Ltd Address before: 223001 industrial zone of East double ditch town, Hongze District, Hongze, Huaian, Jiangsu Patentee before: Source wing intelligent equipment manufacturing (Jiangsu) Co.,Ltd. |