CN208667788U - Gas cooling device and vacuum air-quenching furnace - Google Patents
Gas cooling device and vacuum air-quenching furnace Download PDFInfo
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- CN208667788U CN208667788U CN201821427725.9U CN201821427725U CN208667788U CN 208667788 U CN208667788 U CN 208667788U CN 201821427725 U CN201821427725 U CN 201821427725U CN 208667788 U CN208667788 U CN 208667788U
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Abstract
Gas cooling device provided by the utility model and vacuum air-quenching furnace, are related to technical field of heat treatment equipment.The gas cooling device includes that driver, pressure fan, cooling chamber and heating room, driver are connect with pressure fan, and pressure fan is connect with cooling chamber, and heating room is set to side of the cooling chamber far from pressure fan.Cooling chamber offers the first flow-guiding mouth and the second flow-guiding mouth, is respectively arranged on the opposite two sides of cooling chamber.Heating room offers the first air port and the second air port, is respectively arranged on the opposite two sides in heating room.First flow-guiding mouth or the second flow-guiding mouth are opened, and are introduced into cooling in cooling chamber for that will heat indoor gas, gas after cooling in cooling chamber is delivered in heating room by pressure fan again, plays the effect of the workpiece in cooling heating room.The gas cooling device heat exchanger effectiveness is high, makes workpiece air quenching within the short time, guarantees product quality.
Description
Technical field
The utility model relates to technical field of heat treatment equipment, in particular to a kind of gas cooling device and vacuum
Air-quenching furnace.
Background technique
One of the equipment that vacuum drying oven updates as heat treatment industry equipment, major reason are the productions of vacuum drying oven processing
Product piece surface light, non-oxidation, performance is good, precision is high.Energy conservation is easily realized in vacuum drying oven production run, is lowered consumption, is subtracted the spies such as dirt
Point belongs to clean manufacturing equipment, meets the requirement of current environmental protection.Simultaneously as gas molecule is few in vacuum, the freedom of molecule
Stroke becomes larger, therefore can produce the light rare metal being unable to get under normal pressure, refractory metal, rare metal and other special types
Alloy material etc..
With the continuous development of vacuum metallurgy technology, vacuum metling equipment needs continuous perfect, raising the degree of automation,
Make vacuum metling equipment to intelligence, integrated direction development.Temperature is the important technical parameter of metal smelt, in metal smelt
In the process, the quality of product is often determined to the accurate control of temperature.The time of workpiece gas quenching is shorter, the quality of workpiece
More preferably.
In view of this, designing and manufacturing a kind of gas cooling device, the quenching of workpiece can be fast implemented, shortens workpiece gas
The time of body quenching is to be badly in need of the technical issues of improving in current technical field of heat treatment equipment.
Utility model content
The purpose of this utility model includes providing a kind of gas cooling device, can make cooling gas circulating cooling, and to work
Part circulation temperature lowering improves heat exchanger effectiveness, shortens the time of workpiece gas quenching, improves workpiece quality.
The purpose of this utility model further includes providing a kind of vacuum air-quenching furnace, including furnace body and above-mentioned gas cooling dress
It sets, gas cooling device is mounted in furnace body, in furnace body internal circulation flow, carries out circulating cooling to workpiece, it is cooling to shorten workpiece
Time improves workpiece quality.
It is that it is realized by adopting the following technical scheme that the utility model, which improves its technical problem,.
A kind of gas cooling device provided by the utility model, including driver, pressure fan, cooling chamber and heating room；Institute
It states driver to connect with the pressure fan, the pressure fan is driven to rotate.The pressure fan is connect with the cooling chamber, will be described
Gas discharge in cooling chamber.The heating room is set to side of the cooling chamber far from the pressure fan.
The cooling chamber offers the first flow-guiding mouth and the second flow-guiding mouth.First flow-guiding mouth and second flow-guiding mouth
It is respectively arranged on the opposite two sides of the cooling chamber.The heating room offers the first air port and the second air port, first air port
The opposite two sides in the heating room are respectively arranged on second air port.
First flow-guiding mouth or second flow-guiding mouth are opened, described cold for introducing the indoor gas of heating
But cooling in room.Gas after cooling in the cooling chamber is delivered in the heating room by the pressure fan again.
Further, first baffle is equipped at first flow-guiding mouth, the first baffle and cooling chamber rotation connect
It connects, is used to open or closes first flow-guiding mouth.Second baffle, the second baffle and institute are equipped at second flow-guiding mouth
Cooling chamber rotation connection is stated, second flow-guiding mouth is used to open or closes.
Further, the cooling chamber is also equipped with the first cylinder and the second cylinder, first cylinder and described first
Baffle connection controls the first baffle rotation, to open or close first flow-guiding mouth.Second cylinder and described the
The connection of two baffles controls the second baffle rotation, to open or close second flow-guiding mouth.
Further, the first cover board is equipped at first air port, first cover board is used to open or closes described the
One air port；The second cover board is equipped at second air port, second cover board is used to open or closes second air port.
Further, first cover board is connected with third cylinder, and the third cylinder controls first cover board and opens
Or close first air port；Second cover board is connected with the 4th cylinder, and the 4th cylinder controls second cover board and beats
Second air port is closed on or off.
Further, first flow-guiding mouth is oppositely arranged with second flow-guiding mouth, first air port and described
Two air ports are oppositely arranged；And first flow-guiding mouth and first air port are located at the same side, second flow-guiding mouth with it is described
Second air port is located at the same side.
Further, heat exchanger is equipped in the cooling chamber, the gas cooling for allowing into the cooling chamber.
Further, the heat exchanger includes condenser pipe, and refrigerant is equipped in the condenser pipe.
Further, the driver use variable-frequency motor, the pressure fan use centrifugal fan, the variable-frequency motor with
The centrifugal fan connection, drives the centrifugal fan to rotate, the air inlet of the centrifugal fan is connected to the cooling chamber.
A kind of vacuum air-quenching furnace provided by the utility model, including furnace body and above-mentioned gas cooling device, the gas
Cooling device is mounted in the furnace body.
Gas cooling device provided by the utility model and vacuum air-quenching furnace have the following aspects the utility model has the advantages that
Gas cooling device provided by the utility model, including driver, pressure fan, cooling chamber and heating room, cooling chamber
The first flow-guiding mouth and the second flow-guiding mouth are offered, heating room offers the first air port and the second air port, the first flow-guiding mouth or second
Flow-guiding mouth is opened, and is introduced into cooling chamber for will heat indoor gas and is cooled down, pressure fan is by gas after cooling in cooling chamber
Discharge is again introduced into heating room, plays the effect of the workpiece in cooling heating room, and cooling gas can circulate, shorten
The time of workpiece gas quenching.The gas cooling device heat exchanger effectiveness is high, can make workpiece air quenching within the short time, guarantees to produce
Product quality.
Vacuum air-quenching furnace provided by the utility model, including furnace body and above-mentioned gas cooling device, gas cooling device
It is mounted in furnace body, in furnace body internal circulation flow, circulating cooling is carried out to workpiece, shortens workpiece cooling time, improves workpiece matter
Amount.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is a kind of structural representation of the application scenarios for the gas cooling device that the utility model specific embodiment provides
Figure；
Fig. 2 is the structural representation of another application scenarios for the gas cooling device that the utility model specific embodiment provides
Figure；
Fig. 3 is a kind of structural representation of the heat exchanger for the gas cooling device that the utility model specific embodiment provides
Figure；
Fig. 4 is a kind of structural schematic diagram for the vacuum air-quenching furnace that the utility model specific embodiment provides.
Icon: 100- gas cooling device；110- driver；120- pressure fan；130- cooling chamber；131- cover；132-
Heat exchanger；The first flow-guiding mouth of 133-；134- first baffle；The second flow-guiding mouth of 135-；136- second baffle；138- condenser pipe；
140- heats room；The first air port 143-；The second air port 145-；The first cover board of 144-；The second cover board of 146-；147- third cylinder；
The 4th cylinder of 148-；200- vacuum air-quenching furnace；210- furnace body.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
In the description of the present invention, it should be understood that the orientation or positional relationship of the instructions such as term " on ", "lower"
For be based on the orientation or positional relationship shown in the drawings or the utility model product using when the orientation or position usually put
The orientation or positional relationship that relationship or those skilled in the art usually understand is merely for convenience of description the utility model
It is described with simplifying, rather than the equipment of indication or suggestion meaning or element must have a particular orientation, with specific orientation structure
It makes and operates, therefore should not be understood as limiting the present invention.
" first " of the utility model, " second " etc., are only used to distinguish between description, and contain not special
Justice.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " installation " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
It, can also be indirectly connected through an intermediary to be to be connected directly.It for the ordinary skill in the art, can be specific
Situation understands the concrete meaning of above-mentioned term in the present invention.
Fig. 1 is that a kind of structure of the application scenarios for the gas cooling device 100 that the utility model specific embodiment provides is shown
It is intended to, Fig. 2 is the structural representation of another application scenarios for the gas cooling device 100 that the utility model specific embodiment provides
Figure, please refers to Fig. 1 and Fig. 2.
Gas cooling device 100 provided in this embodiment, including driver 110, pressure fan 120, cooling chamber 130 and heating
Room 140.Driver 110 is connect with pressure fan 120, and pressure fan 120 is driven to rotate.Pressure fan 120 is connect with cooling chamber 130, will
Gas discharge in cooling chamber 130, heating room 140 are set to side of the cooling chamber 130 far from pressure fan 120.
Cooling chamber 130 offers the first flow-guiding mouth 133 and the second flow-guiding mouth 135.First flow-guiding mouth 133 and the second flow-guiding mouth
135 are respectively arranged on the opposite two sides of cooling chamber 130.Heating room 140 offers the first air port 143 and the second air port 145, the first wind
Mouth 143 and the second air port 145 are respectively arranged on the opposite two sides in heating room 140.First flow-guiding mouth 133 or the second flow-guiding mouth 135 are opened
It opens, is introduced into cooling in cooling chamber 130 for the gas in room 140 will to be heated.Pressure fan 120 will be after cooling in cooling chamber 130
Gas is delivered to again in heating room 140.
Preferably, the first flow-guiding mouth 133 is oppositely arranged with the second flow-guiding mouth 135, the first air port 143 and the second air port 145
It is oppositely arranged.Also, the first flow-guiding mouth 133 and the first air port 143 are located at the same side, the second flow-guiding mouth 135 and the second air port 145
Positioned at the same side.Certainly, it being not limited to that, the first flow-guiding mouth 133 can also be shifted to install with the second flow-guiding mouth 135, as long as
Realize that gas can enter in cooling chamber 130.Similarly, the first air port 143 and the second air port 145 can also shift to install, i.e.,
The position in the first air port 143 and the second air port 145 is not opposite, can also extend the flow path of cooling gas, cooling effect in this way
Fruit is more abundant.
First baffle 134 is equipped at first flow-guiding mouth 133, first baffle 134 and cooling chamber 130 are rotatablely connected, for beating
The first flow-guiding mouth 133 is closed on or off.At second flow-guiding mouth 135 be equipped with second baffle 136, second baffle 136 with 130 turns of cooling chamber
Dynamic connection, is used to open or closes the second flow-guiding mouth 135.
In the present embodiment, cooling chamber 130 includes cover 131 and the heat exchanger 132 in cover 131.First gear
Plate 134 and second baffle 136 are separately mounted on cover 131, and are rotatablely connected respectively with cover 131.Preferably, first gear
Plate 134 and second baffle 136 are respectively with cover 131 using hinged.First cylinder and the second cylinder are installed on the outside of cover 131,
First cylinder is connect with first baffle 134, and control first baffle 134 rotates, to open or close the first flow-guiding mouth 133.Second
Cylinder is connect with second baffle 136, and control second baffle 136 rotates, to open or close the second flow-guiding mouth 135.
Optionally, the first flow-guiding mouth 133 and first baffle 134 are set to the top of cooling chamber 130,135 He of the second flow-guiding mouth
Second baffle 136 is set to the bottom of cooling chamber 130.The shaft of first cylinder is flexible, and first baffle 134 is driven up to overturn, the
One flow-guiding mouth 133 is opened.The shaft of first cylinder extends, and first baffle 134 is driven to overturn down, and the first flow-guiding mouth 133 is closed.
Similarly, the shaft of the second cylinder is flexible, and second baffle 136 is driven to overturn down, and the second flow-guiding mouth 135 is opened.Second cylinder
Shaft elongation, drive second baffle 136 up overturn, the second flow-guiding mouth 135 close.
It should be noted that the length that the shaft of the first cylinder and the second cylinder stretches out is different, it can control first and lead
The aperture of head piece 133 and the second flow-guiding mouth 135 accurately controls workpiece temperature, is had to control the circulation of cooling gas
Conducive to the product quality for improving workpiece.
The first cover board 144 is equipped at first air port 143, the first cover board 144 is used to open or closes the first air port 143.The
The second cover board 146 is equipped at two air ports 145, the second cover board 146 is used to open or closes the second air port 145.In the present embodiment, the
One air port 143 is set to the top of heating room 140, and the second air port 145 is set to the bottom of heating room 140.First cover board 144 is connected with
Third cylinder 147, third cylinder 147 control the first cover board 144 and open or close the first air port 143.Second cover board 146 is connected with
4th cylinder 148, the 4th cylinder 148 control the second cover board 146 and open or close the second air port 145.
Optionally, third cylinder 147 is equipped with push plate, and the side of push plate is fixedly connected with the shaft of third cylinder 147, pushes away
The other side of plate is fixedly connected with the first cover board 144, for example screw is connected, is bolted, is clamped or is welded.Third cylinder 147
Shaft stretch out, drive the first cover board 144 move down, i.e. the first cover board 144 close the first air port 143.The shaft of third cylinder 147
It shrinks, the first cover board 144 is driven to move up, is i.e. the first cover board 144 opens the first air port 143.Similarly, the axis of the 4th cylinder 148
Bar stretches out, and the second cover board 146 is driven to move up, i.e. the second cover board 146 closes the second air port 145.The shaft of 4th cylinder 148 is received
Contracting drives the second cover board 146 to move down, i.e. the second cover board 146 opens the second air port 145.
It should be noted that workpiece is in a heated state, the first air port 143 and the second air port 145 are simultaneously closed off.Workpiece exists
Under the state of cooling, the first air port 143 and the second air port 145 are opened simultaneously, in the first flow-guiding mouth 133 and the second flow-guiding mouth 135, only
Have one it is in the open state, another is in close state.
Fig. 3 is a kind of structure of the heat exchanger 132 for the gas cooling device 100 that the utility model specific embodiment provides
Schematic diagram, referring to figure 3..
Heat exchanger 132 is used to allow to cool down into the gas in cooling chamber 130.Specifically, heat exchanger 132 includes condensation
Pipe 138, condenser pipe 138 is interior to be equipped with refrigerant.Condenser pipe 138 uses copper pipe or other metal tubes, has the characteristics that heat transfer efficiency is high,
Condenser pipe 138 can be integrally formed using multistage U-bend, be set in cover 131, it is of course also possible to be arranged in other shapes,
Here it is not especially limited.Refrigerant in condenser pipe 138 can be cooling water, be also possible to other refrigerants, in the present embodiment
Preferably cooling water.
Driver 110 uses variable-frequency motor, and pressure fan 120 uses centrifugal fan, and variable-frequency motor directly connects with centrifugal fan
It connects.Due to using variable-frequency motor, the revolving speed of motor is adjustable, therefore can be omitted deceleration device, and variable-frequency motor directly drives
Centrifugal fan rotation, the air inlet of centrifugal fan are connected to cooling chamber 130.After centrifugal fan high speed rotation, acted in centrifugal force
Under, the cooling gas in cooling chamber 130 is sucked out, throws away around.And then pass through the first air port 143 or the second air port 145
Into in heating room 140, the workpiece for continuing and heating in room 140 carries out heat exchange, and workpiece is made to freeze.
The working principle of the gas cooling device 100 is as follows:
The first refrigeration scene, as shown in Figure 1, arrow represents the flow direction of gas in figure.First cover board 144 and the second cover board
146 open, and first baffle 134 is opened, and second baffle 136 is closed.A large amount of cooling gas is with most fast speed from the second air port
145 enter heating room 140 and workpiece completion heat exchange.The gas for completing to heat up after heat exchange is discharged from the first air port 143, passes through
It crosses in the first flow-guiding mouth 133 arrival cooling chamber 130 and declines with cooling water exchange temperature, cooling gas temperature.The gas to cool down
Body is sucked out by centrifugal fan, is discharged outside cooling chamber 130, enters heating room 140 through the second air port 145 again, forms circulating cooling.
Second of refrigeration scene, as shown in Fig. 2, arrow represents the flow direction of gas in figure.First cover board 144 and the second cover board
146 open, and second baffle 136 is opened, and first baffle 134 is closed.A large amount of cooling gas is with most fast speed from the first air port
143 enter heating room 140 and workpiece completion heat exchange.The gas for completing to heat up after heat exchange is discharged from the second air port 145, passes through
It crosses in the second flow-guiding mouth 135 arrival cooling chamber 130 and declines with cooling water exchange temperature, cooling gas temperature.The gas to cool down
Body is sucked out by centrifugal fan, is discharged outside cooling chamber 130, enters heating room 140 through the first air port 143 again, forms circulating cooling.
This hydronic mode, cooling water quickly take away heat, make workpiece air quenching within the shortest time, effectively
Shorten the air quenching time of workpiece, guarantees product quality.
Fig. 4 is a kind of structural schematic diagram for the vacuum air-quenching furnace 200 that the utility model specific embodiment provides, and please refers to figure
4。
A kind of vacuum air-quenching furnace 200 provided in this embodiment, including furnace body 210 and above-mentioned gas cooling device 100, gas
Body cooling device 100 is mounted in furnace body 210.Sealing space is formed in furnace body 210, heating, air quenching convenient for completion to workpiece
Heat treatment process such as (coolings).
In conclusion gas cooling device 100 provided by the utility model and vacuum air-quenching furnace 200 have following side
Face the utility model has the advantages that
Gas cooling device 100 provided by the utility model and vacuum air-quenching furnace 200 are equipped with driver 110, pressure fan
120, cooling chamber 130 and heating room 140.Change the side of air-flow by the state of transformation first baffle 134 and second baffle 136
To being able to achieve the cooling to workpiece by different air flow paths.The gas of heat is forced to pass through heat exchanger 132 first cold
But, it is discharged, is recycled back into heating room 140 by centrifugal fan, to workpiece circularly cooling, realize air quenching technique.The gas is cold
But device 100 and 200 structure of vacuum air-quenching furnace are simple, and temperature control is flexible, quickly take away heat by cooling water, make workpiece most
Air quenching in the short time, effectively shortens air quenching time of workpiece, guarantees product quality.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, the utility model can have various changes, combination and variation.It is all the utility model spirit and
Within principle, any modification, equivalent replacement, improvement and so on be should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of gas cooling device, which is characterized in that including driver, pressure fan, cooling chamber and heating room；The driver
It is connect with the pressure fan, the pressure fan is driven to rotate；The pressure fan is connect with the cooling chamber, will be in the cooling chamber
Gas discharge；The heating room is set to side of the cooling chamber far from the pressure fan；
The cooling chamber offers the first flow-guiding mouth and the second flow-guiding mouth；First flow-guiding mouth and second flow-guiding mouth difference
The two sides opposite set on the cooling chamber；The heating room offers the first air port and the second air port, first air port and institute
It states the second air port and is respectively arranged on the opposite two sides in the heating room；
First flow-guiding mouth or second flow-guiding mouth are opened, for the indoor gas of heating to be introduced the cooling chamber
Middle cooling；Gas after cooling in the cooling chamber is delivered in the heating room by the pressure fan again.
2. gas cooling device according to claim 1, which is characterized in that be equipped with first gear at first flow-guiding mouth
Plate, the first baffle and the cooling chamber are rotatablely connected, and are used to open or close first flow-guiding mouth；Second water conservancy diversion
Second baffle is equipped at mouthful, the second baffle and the cooling chamber are rotatablely connected, and are used to open or close second water conservancy diversion
Mouthful.
3. gas cooling device according to claim 2, which is characterized in that the cooling chamber be also equipped with the first cylinder and
Second cylinder, first cylinder are connect with the first baffle, control the first baffle rotation, described to open or close
First flow-guiding mouth；Second cylinder is connect with the second baffle, the second baffle rotation is controlled, to open or close
State the second flow-guiding mouth.
4. gas cooling device according to claim 1, which is characterized in that the first cover board is equipped at first air port,
First cover board is used to open or closes first air port；The second cover board, second lid are equipped at second air port
Plate is used to open or closes second air port.
5. gas cooling device according to claim 4, which is characterized in that first cover board is connected with third cylinder,
The third cylinder controls first cover board and opens or closes first air port；Second cover board is connected with the 4th gas
Cylinder, the 4th cylinder control second cover board and open or close second air port.
6. gas cooling device according to claim 1, which is characterized in that first flow-guiding mouth and second water conservancy diversion
Mouth is oppositely arranged, and first air port and second air port are oppositely arranged；And first flow-guiding mouth and first air port
Positioned at the same side, second flow-guiding mouth and second air port are located at the same side.
7. gas cooling device according to claim 1, which is characterized in that be equipped with heat exchanger in the cooling chamber, use
In the gas cooling allowed into the cooling chamber.
8. gas cooling device according to claim 7, which is characterized in that the heat exchanger includes condenser pipe, described
Refrigerant is equipped in condenser pipe.
9. gas cooling device according to claim 1, which is characterized in that the driver uses variable-frequency motor, described
Pressure fan uses centrifugal fan, and the variable-frequency motor connect with the centrifugal fan, drives the centrifugal fan rotation, it is described from
The air inlet of heart fan is connected to the cooling chamber.
10. a kind of vacuum air-quenching furnace, which is characterized in that including gas cooling described in furnace body and any one of claims 1 to 9
Device, the gas cooling device are mounted in the furnace body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821427725.9U CN208667788U (en) | 2018-08-31 | 2018-08-31 | Gas cooling device and vacuum air-quenching furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821427725.9U CN208667788U (en) | 2018-08-31 | 2018-08-31 | Gas cooling device and vacuum air-quenching furnace |
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| Publication Number | Publication Date |
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| CN208667788U true CN208667788U (en) | 2019-03-29 |
Family
ID=65840459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201821427725.9U Active CN208667788U (en) | 2018-08-31 | 2018-08-31 | Gas cooling device and vacuum air-quenching furnace |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108690908A (en) * | 2018-08-31 | 2018-10-23 | 江苏石川岛丰东真空技术有限公司 | Gas cooling device and vacuum air-quenching furnace |
| CN110629134A (en) * | 2019-09-17 | 2019-12-31 | 西北电子装备技术研究所(中国电子科技集团公司第二研究所) | External circulation cooling type rapid gas quenching system of aluminum alloy vacuum brazing furnace |
-
2018
- 2018-08-31 CN CN201821427725.9U patent/CN208667788U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108690908A (en) * | 2018-08-31 | 2018-10-23 | 江苏石川岛丰东真空技术有限公司 | Gas cooling device and vacuum air-quenching furnace |
| CN108690908B (en) * | 2018-08-31 | 2024-04-19 | 江苏石川岛丰东真空技术有限公司 | Gas cooling device and vacuum gas quenching furnace |
| CN110629134A (en) * | 2019-09-17 | 2019-12-31 | 西北电子装备技术研究所(中国电子科技集团公司第二研究所) | External circulation cooling type rapid gas quenching system of aluminum alloy vacuum brazing furnace |
| CN110629134B (en) * | 2019-09-17 | 2023-10-17 | 西北电子装备技术研究所(中国电子科技集团公司第二研究所) | External circulation cooling type rapid gas quenching system of aluminum alloy vacuum brazing furnace |
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