CN205718488U - Quickly air-cooling vacuum furnace - Google Patents
Quickly air-cooling vacuum furnace Download PDFInfo
- Publication number
- CN205718488U CN205718488U CN201620497234.6U CN201620497234U CN205718488U CN 205718488 U CN205718488 U CN 205718488U CN 201620497234 U CN201620497234 U CN 201620497234U CN 205718488 U CN205718488 U CN 205718488U
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- vacuum
- air
- heating chamber
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- cooling
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Abstract
The utility model discloses a kind of quickly air-cooling vacuum furnace.It includes vacuum heating chamber and air accumulator, heating in vacuum indoor are provided with heating element heater, the top of vacuum heating chamber is connected to the bleeding point of a vacuum pump by vacuum pumping valve, the air vent of vacuum pump connects a three-way valve, one end of three-way valve connects air accumulator, other end connects an air bleeding valve, the bottom of vacuum heating chamber arranges air inlet, at the air inlet of vacuum heating chamber, intake valve is installed, intake valve connects a totally-enclosed blower fan, the air inlet of totally-enclosed blower fan and air accumulator connect, the top of vacuum heating chamber is additionally provided with recyclegas outlet, the recyclegas outlet connection of vacuum heating chamber has gas cooler, gas cooler and air accumulator connect.After using above-mentioned structure, substantially increase the rate of cooling after heat treatment of workpieces and effectively reclaimed circulation air cooling, thus reducing production cost.
Description
Technical field
This utility model relates to a kind of vacuum drying oven, specifically a kind of quickly 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
Rear rate of cooling is relatively slow, or consumes a large amount of noble gas circulating cooling, but can not efficient recovery, cause the increasing of production cost
Add.
Summary of the invention
The technical problems to be solved in the utility model is to provide the quick air cooling vacuum of a kind of energy efficient recovery circulation air cooling
Stove.
In order to solve above-mentioned technical problem, quick air-cooling vacuum furnace of the present utility model, including vacuum heating chamber and gas storage
Tank, heating in vacuum indoor are provided with heating element heater, and the top of vacuum heating chamber is connected to a vacuum pump by vacuum pumping valve
Bleeding point, the air vent of vacuum pump connects a three-way device, and one end of three-way device connects air accumulator, other end and the external world
Air communicates, and the bottom of vacuum heating chamber arranges air inlet, is provided with intake valve at the air inlet of vacuum heating chamber, and intake valve is even
Connecing a totally-enclosed blower fan, the air inlet of totally-enclosed blower fan and air accumulator to connect, the top of vacuum heating chamber is additionally provided with circulation
Gas outlet, the recyclegas outlet connection of vacuum heating chamber has gas cooler, and gas cooler is circulated by a gas
Valve and air accumulator connect.
The bleeding point of described vacuum pump also connects air accumulator after an air accumulator vacuum pumping valve.
Noble gas air entraining valve and relief valve is also set up on described air accumulator.
The top of described vacuum heating chamber arranges a breather valve.
The top of described vacuum heating chamber also sets up a cover plate, described cover plate is provided with one and can drive cover plate liter
The driving element of fall.
Between described cover plate and vacuum heating chamber, sealing ring is set.
Adiabator is set on the inwall of described vacuum heating chamber, the outer wall of described vacuum heating chamber is provided with cooling water
Set.
Described three-way device is communicated by air bleeding valve and ambient atmosphere.
After using above-mentioned structure, due to the company by each Valve controlling arranged between vacuum heating chamber and air accumulator
Logical loop and gas cooler, when the AB of three-way valve switching communicates, B outlet is connected vacuum with the external world by air bleeding valve again
Air in heating chamber is discharged and is formed vacuum, when three-way valve be switched to AC communicate time, C outlet connects with inertial gas tank, general
The noble gas of heating in vacuum indoor is withdrawn into air accumulator and realizes reclaiming, and during this, gas cooler is capable of fast quickly cooling
But, thus substantially increase the rate of cooling after heat treatment of workpieces and effectively reclaimed circulation air cooling, thus reducing life
Produce cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of the quick air-cooling vacuum furnace of this utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawings with detailed description of the invention, quick air-cooling vacuum furnace of the present utility model is made the most specifically
Bright.
As it can be seen, quick air-cooling vacuum furnace of the present utility model, including vacuum heating chamber 1 and air accumulator 2, heating in vacuum
Being fixedly installed heating element heater 19 in room 1, heating element heater 19 is sealed in vacuum heating chamber 1 by sealed insulation set, and vacuum adds
The top in hot cell 1 is connected to the bleeding point of a vacuum pump 4 by vacuum pumping valve 3, and the air vent (A port) of vacuum pump 4 connects
One three-way device 5, described three-way device 5 both can be three-way valve, it is also possible to for the structure of the threeway that other parts are constituted, three
One end (C port) of logical valve 5 connects air accumulator 2, and the other end (B port) of three-way valve 5 connects an air bleeding valve 9, and vacuum adds
The bottom in hot cell 1 is heated workpiece district, and the bottom of vacuum heating chamber 1 is provided with air inlet, at the air inlet of vacuum heating chamber 1
Being provided with intake valve 6, intake valve 6 connects a totally-enclosed blower fan 7, and air inlet and the air accumulator 2 of totally-enclosed blower fan 7 connect, very
The top of empty heating chamber 1 is additionally provided with recyclegas outlet, and the recyclegas outlet connection of vacuum heating chamber 1 has gas cooler
10, gas cooler 10 is connected by a gas circulating valve 8 and air accumulator 2, and when the AB of three-way valve switching communicates, B exports
Connected air discharge formation vacuum indoor for heating in vacuum with the external world by air bleeding valve again, communicate when three-way valve is switched to AC
Time, C outlet connects with inertial gas tank, and the noble gas that heating in vacuum is indoor is withdrawn into inertial gas tank, it is achieved return
Receive.
Further, the bleeding point of described vacuum pump 4 also connects after a noble gas air accumulator vacuum pumping valve 11
Connect the air accumulator 2 of noble gas, thus first toward before adding inert gas injection in the air accumulator of noble gas, true to taking out in pipeline
Vacancy is managed, it is ensured that the purity of noble gas in tank after filling, and described air accumulator 2 also sets up noble gas air entraining valve 12
With relief valve 13, the top of described vacuum heating chamber 1 arranges a breather valve 14, and the top of described vacuum heating chamber 1 is also
Arranging a cover plate 15, cover plate 15 is provided with a driving element 16 that cover plate can be driven to lift, cover plate 16 adds with vacuum
Arranging sealing ring 17 between hot cell 1, described driving element 16 is cylinder, the inwall of described vacuum heating chamber 1 is arranged absolutely
Hot material (when making heated parts, heat energy does not leaks, and improves the efficiency of heating surface), the outer wall of vacuum heating chamber 1 is provided with cooling jacket
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 circulating valve 8, noble gas air entraining valve 12, breather valve 14 and three-way valve
AC be turned off, open noble gas air accumulator vacuum pumping valve 11, make three-way valve AB communicate, start vacuum pump, by noble gas
After air pumps in air accumulator, close noble gas air accumulator vacuum pumping valve, open noble gas air entraining valve 12, to noble gas
Air accumulator 2 adds pure normal pressure noble gas.
(2) drive element to open the cover plate 16 of vacuum heating chamber 1, after putting into workpiece, cover cover plate 16, open vacuum pumping valve
3, and make three-way valve AB communicate, start vacuum pump and the air that heating in vacuum is indoor is discharged to the external world, reach to take out during vacuum very
Empty valve 3 cuts out, and vacuum system stops.
(3) heated parts.
(4) intake valve 6 and gas circulating valve 8 are opened, and the atmosphere gas in noble gas air accumulator enters vacuum heating chamber,
Starting totally-enclosed blower fan, heated work pieces is circulated cooling, heated gas cooled device after gas circulating valve 8 is forced
Sending into noble gas air accumulator after cold, when workpiece temperature drops to temperature required, intake valve 6 and gas circulating valve 8 are closed, entirely
Closing blower fan stops.
(5) vacuum pumping valve 3 and three-way valve AC open, and heating in vacuum indoor noble gas is withdrawn into inertia by vacuum pump startup
After in gas storage tank, vacuum pumping valve 3 and three-way valve AC close.
(6) open breather valve 14 outside air and enter vacuum heating chamber, open the cover plate of vacuum heating chamber, take out workpiece.
Claims (8)
1. a quick air-cooling vacuum furnace, it is characterised in that: include vacuum heating chamber (1) and air accumulator (2), vacuum heating chamber
(1) being provided with heating element heater in, the top of vacuum heating chamber (1) is connected to taking out of vacuum pump (4) by vacuum pumping valve (3)
QI KOU, the air vent of described vacuum pump (4) connects a three-way device (5), and one end of described three-way device (5) connects air accumulator
(2), other end and ambient atmosphere communicate, and the bottom of described vacuum heating chamber (1) arranges air inlet, vacuum heating chamber (1)
Being provided with intake valve (6) at air inlet, described intake valve (6) connects a totally-enclosed blower fan (7), described totally-enclosed blower fan (7)
Air inlet and air accumulator (2) connect, the top of described vacuum heating chamber (1) be additionally provided with recyclegas outlet, described vacuum
The recyclegas outlet connection of heating chamber (1) has gas cooler (10), described gas cooler (10) to be followed by a gas
Ring valve (8) and air accumulator (2) connect.
2. according to the quick air-cooling vacuum furnace described in claim 1, it is characterised in that: the bleeding point also warp of described vacuum pump (4)
Cross an air accumulator vacuum pumping valve (11) and connect air accumulator (2) afterwards.
3. according to the quick air-cooling vacuum furnace described in claim 1, it is characterised in that: described air accumulator also sets up inertia on (2)
Gas air entraining valve (12) and relief valve (13).
4. according to the quick air-cooling vacuum furnace described in claim 1, it is characterised in that: the top of described vacuum heating chamber (1) sets
Put a breather valve (14).
5. according to the quick air-cooling vacuum furnace described in claim 1, it is characterised in that: the top of described vacuum heating chamber (1) is also
One cover plate (15) is set, described cover plate (15) is provided with a driving element (16) that cover plate can be driven to lift.
6. according to the quick air-cooling vacuum furnace described in claim 5, it is characterised in that: described cover plate (15) and vacuum heating chamber
(1) sealing ring (17) is set between.
7. according to the quick air-cooling vacuum furnace described in claim 6, it is characterised in that: on the inwall of described vacuum heating chamber (1)
Adiabator is set, the outer wall of described vacuum heating chamber (1) is provided with cooling jacket (18).
8. according to the quick air-cooling vacuum furnace described in claim 1, it is characterised in that: described three-way device (5) passes through air bleeding valve
(9) communicate with ambient atmosphere.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620497234.6U CN205718488U (en) | 2016-05-26 | 2016-05-26 | Quickly air-cooling vacuum furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620497234.6U CN205718488U (en) | 2016-05-26 | 2016-05-26 | Quickly air-cooling vacuum furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205718488U true CN205718488U (en) | 2016-11-23 |
Family
ID=57300210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620497234.6U Withdrawn - After Issue CN205718488U (en) | 2016-05-26 | 2016-05-26 | Quickly air-cooling vacuum furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205718488U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105865212A (en) * | 2016-05-26 | 2016-08-17 | 江苏源之翼电气有限公司 | Fast gas-cooling vacuum furnace |
| CN117450791A (en) * | 2023-12-26 | 2024-01-26 | 山西晋能集团大同能源发展有限公司 | Pressure roasting furnace for graphite preparation |
-
2016
- 2016-05-26 CN CN201620497234.6U patent/CN205718488U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105865212A (en) * | 2016-05-26 | 2016-08-17 | 江苏源之翼电气有限公司 | Fast gas-cooling vacuum furnace |
| CN117450791A (en) * | 2023-12-26 | 2024-01-26 | 山西晋能集团大同能源发展有限公司 | Pressure roasting furnace for graphite preparation |
| CN117450791B (en) * | 2023-12-26 | 2024-04-23 | 山西晋能集团大同能源发展有限公司 | Pressure roasting furnace for graphite preparation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161123 Effective date of abandoning: 20180522 |