CN219972418U - Annealing and aging furnace with adjustable cold air inlet - Google Patents
Annealing and aging furnace with adjustable cold air inlet Download PDFInfo
- Publication number
- CN219972418U CN219972418U CN202122972389.4U CN202122972389U CN219972418U CN 219972418 U CN219972418 U CN 219972418U CN 202122972389 U CN202122972389 U CN 202122972389U CN 219972418 U CN219972418 U CN 219972418U
- Authority
- CN
- China
- Prior art keywords
- air
- annealing
- heating
- heating chamber
- fan
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000137 annealing Methods 0.000 title claims abstract description 60
- 230000032683 aging Effects 0.000 title claims abstract description 52
- 238000010438 heat treatment Methods 0.000 claims abstract description 130
- 238000005485 electric heating Methods 0.000 claims abstract description 35
- 238000005192 partition Methods 0.000 claims abstract description 26
- 239000007787 solid Substances 0.000 claims description 6
- 230000008676 import Effects 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 abstract description 8
- 239000000463 material Substances 0.000 abstract description 3
- 229910052751 metal Inorganic materials 0.000 description 8
- 239000002184 metal Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 229910000838 Al alloy Inorganic materials 0.000 description 6
- 238000001816 cooling Methods 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 238000002955 isolation Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000004321 preservation Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 238000005204 segregation Methods 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
Landscapes
- Furnace Details (AREA)
Abstract
The utility model discloses an annealing and aging furnace with an adjustable cold air inlet, which comprises a furnace body, wherein a plurality of annealing and aging partitions are arranged in the furnace body, a heating chamber and a working chamber are respectively arranged in each annealing and aging partition, an electric heating unit is arranged in the heating chamber, an impeller of a fan is arranged in the heating chamber, the impeller of the fan is connected with a driving shaft of the fan, the driving shaft of the fan is connected with a driving motor, the heating chamber is provided with an air inlet channel communicated with the outside of the furnace body, an air quantity regulating valve is arranged on the air inlet channel, the heating chamber is provided with an air outlet and an air return opening communicated with the working chamber, the air outlet of the heating chamber is an air inlet of the working chamber, and the air return opening of the heating chamber is an air outlet of the working chamber. The annealing and/or aging furnace has the characteristics of safe heating, good heating uniformity, high heating efficiency, easy regulation and control of heating temperature and the like for the heated material.
Description
Technical Field
The utility model relates to the technical field of metal heat treatment equipment, in particular to an annealing and aging furnace with an adjustable cold air inlet.
Background
The annealing or aging treatment furnace is used for metal heat treatment, after the aluminum alloy is heated and extruded, internal stress and component segregation easily exist in the aluminum alloy product, and the annealing or aging treatment furnace changes a metallographic structure in the aluminum alloy by controlling the temperature, so that extrusion internal stress and component segregation of the aluminum alloy product can be eliminated to a certain extent, and the quality of the aluminum alloy product is improved. For the annealing and aging treatment of batch or special aluminum alloy, how to anneal and age various aluminum profiles to be extruded according to each annealing and aging process is the problem to be solved by the batch annealing and aging treatment at present. The existing annealing and aging furnace generally generates heat through a heating element (a natural gas burner or an electric heating tube), and the heat is transmitted into a working chamber of the annealing furnace by a circulating fan, so that a circulating path is generally closed. However, the annealing and aging furnace generally needs to be cooled in a controllable state in the use process of the annealing and aging furnace, namely, the annealing and aging furnace is reduced to a set temperature at a certain speed in a set time, so that the conventional annealing and aging furnace needs to be improved.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provide the annealing and aging furnace with the adjustable cold air inlet, which has the advantages of safe heating, good heating uniformity, high heating efficiency and easy regulation and control of heating temperature for the heated material, and is easy to cool down in a controllable state when being used as an annealing furnace, namely, the annealing and aging furnace is provided with the adjustable cold air inlet which is lowered to a set temperature at a certain speed in a set time.
In order to achieve the above purpose, the technical scheme of the utility model is to provide an annealing and aging furnace, which comprises a furnace body, wherein a plurality of annealing and aging partitions are arranged in the furnace body, a heating chamber and a working chamber are respectively arranged in each annealing and aging partition, an electric heating unit is arranged in the heating chamber, an impeller of a fan is arranged in the heating chamber, the impeller of the fan is connected with a driving shaft of the fan, the driving shaft of the fan is connected with a driving motor, the heating chamber is provided with an air inlet channel communicated with the outside of the furnace body, an air quantity regulating valve is arranged on the air inlet channel, the heating chamber is provided with an air outlet and an air return port communicated with the working chamber, the air outlet of the heating chamber is the air inlet of the working chamber, and the air return port of the heating chamber is the air outlet of the working chamber. The annealing and aging furnace can be used for annealing treatment of metal pieces and aging treatment of the metal pieces. The heating device is characterized in that partition heating is adopted, an independent heating chamber and a working chamber are respectively arranged in each heating partition, a heating source in the heating chamber is electrically heated, circulating flow of hot air is formed between the heating chamber and the working chamber through a fan, and a workpiece is heated or insulated through the hot air.
In order to enable the furnace body to be compact in structure, convenient to process and manufacture, convenient to feed in and take out of workpieces in the furnace body, and capable of reducing heat preservation isolation devices, and enabling the temperature in the furnace body to be kept as consistent as possible, the preferable technical scheme is that the furnace body is of a cuboid structure, and a plurality of annealing and aging partitions in the furnace body are sequentially and tightly arranged in the cuboid furnace body. The total length of the furnace body can reach tens meters to hundreds meters.
In order to enable the hot air to uniformly flow through the surface of a heated workpiece, according to the thermodynamic principle that the hot air rises and the cold air falls, a further preferred technical scheme is that the heating chamber is arranged on the upper portion of the working chamber, air outlets of the heating chamber are arranged on two sides of the working chamber through air outlet channels, air return inlets of the heating chamber are arranged on the top of the working chamber, the air outlet channels are formed by side walls of the working chamber and partition plates which are opposite to the side walls, a plurality of air holes are uniformly distributed on the partition plates, and the air return inlets are openings arranged on the top of the working chamber or are top plates provided with a plurality of air holes. The impeller of the fan blows air flow to the electric heating unit, the air flow enters the air outlet channel through the flow guide pipe after being heated by the electric heater, hot air is discharged into the working chamber through a plurality of air holes on a baffle plate on one side of the air outlet channel, the hot air contacts with the surface of a heated workpiece in the working chamber, the workpiece is heated through heat exchange, the hot air after being cooled through heat exchange continuously flows upwards, an air return port is arranged at the top of the working chamber and flows back into the heating chamber, and then the air flow passes through the impeller of the fan again for the next circulation.
In order to improve the efficiency of heating the air flow in the heating chamber and accelerate the speed of heating the air flow, a further preferable technical scheme is that the electric heating units are arranged on two sides of the heating chamber and correspond to the positions of the air outlet channels. Therefore, the air flow can directly enter the air outlet channel after flowing through the electric heating unit, and the heat energy loss can be reduced as much as possible.
In order to improve the efficiency of heating the air flow in the heating chamber and accelerate the speed of heating the air flow, a further preferable technical scheme is that the electric heating unit is arranged in the middle of the heating chamber and corresponds to the position of the air return opening. The technical scheme is that the air return in the working chamber is heated firstly, then the heated air return is blown back into an air outlet channel in the working chamber through a fan impeller, then the air is conveyed into the working chamber through an air hole on an air outlet channel partition plate, and after cold and heat exchange between the hot air and the surface of a heated workpiece is carried out in the working chamber, the hot air flows upwards to enter the heating chamber and then carries out the next circulation.
In order to increase the contact surface between the air flow and the electric heating unit, improve the heating efficiency, shorten the heating time, improve the service life of the heating unit and reduce the use cost of the heating unit, the further preferable technical scheme is that the electric heating unit is an electric heating pipe.
In order to facilitate the installation and use of the fan device and improve the service life of the fan device, a further preferred technical scheme is that the fan and the driving motor are respectively arranged outside the furnace body, the fan is connected with the driving motor through a belt pulley and a belt, and one end of a fan driving shaft penetrates through the side wall or the top wall of the furnace body and is connected with an impeller of the fan.
In order to facilitate the circulating flow of the air flow along a set path under the action of the fan impeller, the air flow is prevented from forming countercurrent or turbulent flow in the heating chamber and the working chamber, so that the heating efficiency of the air flow to the heated workpiece is reduced, the energy waste is caused, and the further preferred technical scheme is that an air outlet guide pipe connected between the fan impeller and an air outlet channel and an air return guide pipe connected between the fan impeller and an air return port are respectively arranged in the heating chamber.
In order to monitor and control the heating temperature and heating time in the heating chamber and the working chamber at any time, a further preferable technical scheme is that a temperature sensor is arranged in the heating chamber and/or the working chamber, the electric heating unit is connected with a solid state relay or an electric power regulating controller, and the temperature sensor, the solid state relay or the electric power regulating controller are respectively connected with a PID temperature controller.
The utility model has the advantages and beneficial effects that: the annealing and aging furnace provided with the adjustable cold air inlet has the characteristics of safe heating, good heating uniformity, high heating efficiency, easy regulation and control of heating temperature for the heated material, easy cooling in a controllable state when the aging furnace is used as an annealing furnace, namely the adjustable cold air inlet is arranged for reducing the temperature to the set temperature at a certain speed in a specified time, and the like. The annealing and aging furnace can be used for annealing treatment of metal pieces and aging treatment of the metal pieces. The heating device is characterized in that partition heating is adopted, an independent heating chamber and a working chamber are respectively arranged in each heating partition, a heating source in the heating chamber is electrically heated, circulating flow of hot air is formed between the heating chamber and the working chamber through a fan, and a workpiece is heated or insulated through the hot air. The furnace body adopts a cuboid integral structure, so that the furnace body is compact in structure, convenient to process and manufacture, convenient to feed and take out workpieces in the furnace body, and capable of reducing heat preservation isolation devices, and enabling the temperature in the furnace body to be kept as consistent as possible. The working chamber adopts two-side air inlet and the heating air flow circulation structure of the upper air outlet can lead the hot air to uniformly flow through the surface of the heated workpiece, and the thermodynamic principle of the hot air rising and the cold air falling is adopted. The impeller of the fan blows air flow to the electric heating unit, the air flow enters the air outlet channel through the flow guide pipe after being heated by the electric heater, hot air is discharged into the working chamber through a plurality of air holes on a baffle plate on one side of the air outlet channel, the hot air contacts with the surface of a heated workpiece in the working chamber, the workpiece is heated through heat exchange, the hot air after being cooled through heat exchange continuously flows upwards, an air return port is arranged at the top of the working chamber and flows back into the heating chamber, and then the air flow passes through the impeller of the fan again for the next circulation. The adjusting plate is arranged on one side of the air inlet channel baffle plate so as to be convenient for adjusting and controlling the flow speed or flow of the air flow flowing into the working chamber, and the size of the air hole area can be changed. The size of the dislocation amount of the relative positions of the fixed partition plate and the air holes on the movable adjusting plate is adopted, so that the aim of changing the area of the air holes is fulfilled.
Drawings
FIG. 1 is a schematic view in partial cross-section of an annealing and ageing oven provided with an adjustable cold air inlet according to the utility model;
FIG. 2 is a schematic view in partial cross-section of an annealing and ageing oven provided with an adjustable cold air inlet according to the utility model in a top view;
FIG. 3 is a schematic view of an electrical heating tube receiving within a heating chamber of an annealing and aging furnace provided with an adjustable cold air inlet in accordance with the present utility model;
FIG. 4 is a schematic diagram of a partial front view structure of an electric heating pipe in an annealing and aging furnace provided with an adjustable cold air inlet, wherein the electric heating pipe is arranged at two sides in a heating chamber and corresponds to the position of an air outlet channel;
fig. 5 is a schematic diagram of a partial front view structure of an electric heating pipe in an annealing and aging furnace provided with an adjustable cold air inlet, wherein the electric heating pipe is arranged in the middle of a heating chamber and corresponds to the position of a return air inlet.
In the figure: 1. a furnace body; 2. partitioning; 3. a heating chamber; 4. a working chamber; 5. an electric heating unit; 6. a drive shaft; 7. a driving motor; 8. an air outlet; 9. an air return port; 10. an air inlet; 11. an air outlet; 12. an air outlet channel; 13. a sidewall; 14. a partition plate; 15. air holes; 16. a flow guiding pipe; 16.1, an air outlet honeycomb duct; 16.2, a return air guide pipe; 17. a belt pulley; 18. an air inlet channel; 19. an air quantity adjusting valve.
Detailed Description
The following describes the embodiments of the present utility model further with reference to the drawings and examples. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and are not intended to limit the scope of the present utility model.
As shown in fig. 1-5, the utility model is an annealing and aging furnace with an adjustable cold air inlet, the annealing and aging furnace comprises a furnace body 1, a plurality of annealing and aging partitions 2 are arranged in the furnace body 1, a heating chamber 3 and a working chamber 4 are respectively arranged in each annealing and aging partition 2, an electric heating unit 5 is arranged in the heating chamber 3, an impeller (not shown in the drawing) of a fan is arranged in the heating chamber 3, the impeller of the fan is connected with a driving shaft 6 of the fan, the driving shaft 6 of the fan is connected with a driving motor 7, the heating chamber 3 is provided with an air inlet channel 18 communicated with the outside of the furnace body 1, an air quantity regulating valve 19 is arranged on the air inlet channel 18, the heating chamber 3 is provided with an air outlet 8 and an air return opening 9 communicated with the working chamber 4, the air outlet 8 of the heating chamber 3 is the air inlet of the working chamber 4, and the air return opening 9 of the heating chamber 3 is the air outlet 11 of the working chamber 4. The annealing and/or aging furnace can be used for annealing treatment of metal pieces and aging treatment of the metal pieces. The heating device is characterized in that partition heating is adopted, an independent heating chamber 3 and a working chamber 4 are respectively arranged in each heating partition, a heating source in the heating chamber 3 is electrically heated, circulating flow of hot air is formed between the heating chamber 3 and the working chamber 4 through a fan, and a workpiece is heated or insulated through the hot air. The air inlet channel 18 is provided with an air quantity regulating valve 19 controlled by a controllable butterfly valve, the butterfly valve is controlled by 4-20 mA current, and an opening of 0-90 degrees can be realized through a PLC program, so that the air quantity of cold air fed by a fan is controlled, and the air quantity is controlled by an electric heating element in a heating mode, so that the curve controllability in the cooling process is finally realized.
In order to make the furnace body 1 compact in structure, convenient to process and manufacture, convenient to feed and take out workpieces in the furnace body 1, and capable of reducing heat preservation isolation devices and keeping the temperature in the furnace body 1 as consistent as possible, the utility model has the preferred embodiment that the furnace body 1 is of a cuboid structure, and a plurality of annealing and/or aging partitions 2 in the furnace body 1 are sequentially and tightly arranged in the cuboid furnace body 1. The total length of the furnace body 1 can reach several tens meters to hundreds meters.
In order to enable the hot air to uniformly flow through the surface of a heated workpiece, according to the thermodynamic principle that the hot air rises and the cold air falls, a further preferred embodiment of the utility model is that the heating chamber 3 is arranged at the upper part of the working chamber 4, the air outlets 8 of the heating chamber 3 are arranged at two sides of the working chamber 4 through air outlet passages 12, the air return openings 9 of the heating chamber 3 are arranged at the top of the working chamber 4, the air outlet passages 12 are formed by side walls 13 of the working chamber 4 and partition plates 14 arranged opposite to the side walls 13, a plurality of air holes 15 are uniformly distributed on the partition plates 14, and the air return openings 9 are openings arranged at the top of the working chamber 4 or are top plates provided with a plurality of air holes. The impeller of the fan blows air flow to the electric heating unit 5, the air flow enters the air outlet channel 12 through the guide pipe 16 after being heated by the electric heater 5, hot air is discharged into the working chamber 4 through a plurality of air holes 15 on a partition plate 14 at one side of the air outlet channel 12, the hot air contacts with the surface of a heated workpiece in the working chamber 4, the workpiece is heated through heat exchange, the hot air after being cooled through heat exchange continues to flow upwards, the air return port 9 arranged at the top of the working chamber 4 flows back into the heating chamber 3, and then the air flow passes through the impeller of the fan again for the next circulation.
In order to increase the efficiency of heating the air flow in the heating chamber 3 and increase the speed of heating the air flow, a further preferred embodiment of the present utility model is that the electric heating units 5 are disposed at both sides of the heating chamber 3 and correspond to the positions of the air outlet passages 12. In this way, the air flow can directly enter the air outlet channel 12 after passing through the electric heating unit 5, so that the heat energy loss can be reduced as much as possible.
In order to increase the efficiency of air flow heating in the heating chamber 3 and speed up the air flow heating, a further preferred embodiment of the present utility model is that the electric heating unit 5 is disposed in the middle of the heating chamber 3 and corresponds to the position of the return air inlet 9. The technical scheme is that the return air in the working chamber 4 is heated firstly, then the heated return air is blown back into an air outlet channel 12 in the working chamber 4 through a fan impeller, then the return air is conveyed into the working chamber 4 through an air hole 15 on a partition 14 of the air outlet channel 12, and after cold and heat exchange between the hot air and the surface of a heated workpiece in the working chamber 4, the hot air flows upwards to enter a heating chamber 3 for next circulation.
In order to increase the contact surface between the air flow and the electric heating unit 5, improve the heating efficiency, shorten the heating time, improve the service life of the heating unit and reduce the use cost of the heating unit 5, a further preferred embodiment of the present utility model is that the electric heating unit 5 is an electric heating tube.
In order to facilitate the installation and use of the fan device and improve the service life of the fan device, a further preferred embodiment of the utility model is that the fan and the driving motor 7 are respectively arranged outside the furnace body 1, the fan and the driving motor 7 are connected through a belt pulley 17 and a belt, and one end of the fan driving shaft 6 passes through the side wall or the top wall of the furnace body 1 to be connected with an impeller of the fan.
In order to facilitate the air flow to circulate along the set path under the action of the fan impeller, and avoid the air flow from forming countercurrent or turbulent flow in the heating chamber 3 and the working chamber 4, thereby reducing the heating efficiency of the air flow to the heated workpiece and causing energy waste, the further preferred embodiment of the utility model is that an air outlet guide pipe 16.1 connected between the fan impeller and the air outlet channel 12 and an air return guide pipe 16.2 connected between the fan impeller and the air return port are respectively arranged in the heating chamber 3.
In order to monitor and control the heating temperature and the heating time in the heating chamber 3 and the working chamber 4 at any time, a further preferred embodiment of the utility model is that a temperature sensor is arranged in the heating chamber 3 and/or the working chamber 4, the electric heating unit 5 is connected with a solid state relay or an electric power regulating controller, and the temperature sensor, the solid state relay or the electric power regulating controller are respectively connected with a PID temperature controller.
The annealing furnace generally needs to be cooled down controllably in the use process, namely, the annealing furnace is cooled down to the set temperature at a certain speed in a set time.
The heating of the annealing furnace generally generates heat through a heating element (a natural gas burner or an electric heating tube), and the heat is transmitted into a working chamber of the annealing furnace by a circulating fan, so that a circulating path is generally closed. In order to adapt to controllable cooling, an air inlet of a required circulating fan is externally connected with a cold air inlet, the air inlet is controlled by a controllable butterfly valve, the butterfly valve is controlled by 4-20 mA current, and an opening of 0-90 degrees can be realized through a PLC program, so that the cold air inlet quantity of the fan is controlled, and then the electric heating element is used for heating control, so that the curve controllability in the cooling process is finally realized.
Because the annealing furnace has a certain high temperature in the use process, the butterfly valve for feeding cold air is composed of high-temperature resistant parts.
According to the number of the circulating fans on the annealing furnace, a controllable butterfly valve is correspondingly arranged on each circulating fan.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.
Claims (7)
1. The utility model provides an annealing, ageing stove with adjustable cold wind import, a serial communication port, annealing, ageing stove includes the furnace body, the inside a plurality of annealing, ageing subregion that is equipped with of furnace body, be equipped with heating chamber and working chamber in every annealing, ageing subregion respectively, be equipped with electric heating unit in the heating chamber, be equipped with the impeller of fan in the heating chamber, the impeller of fan and the drive shaft connection of fan, the drive shaft and the driving motor of fan are connected, the heating chamber is equipped with the air inlet passageway with the outside intercommunication of furnace body, be equipped with the air regulation valve on the air inlet passageway, the heating chamber is equipped with the air outlet and the return air inlet with the working chamber intercommunication, the air outlet of heating chamber is the air intake of working chamber promptly, the return air inlet of heating chamber is the air outlet of working chamber, the fan is connected at the outside of furnace body with driving motor respectively with the driving motor through the belt pulley, the fan drive shaft's one end passes furnace body lateral wall or roof and is connected with the impeller of fan be equipped with the air-out honeycomb duct between connection fan impeller and the air outlet passageway respectively in the heating chamber to connect between fan impeller and the return air inlet.
2. The annealing and aging furnace with the adjustable cold air inlet according to claim 1, wherein the furnace body is of a cuboid structure, and a plurality of annealing and aging partitions inside the furnace body are sequentially and tightly arranged inside the cuboid furnace body.
3. The annealing and aging furnace with the adjustable cold air inlet according to claim 2, wherein the heating chamber is arranged on the upper part of the working chamber, the air outlet of the heating chamber is arranged on two sides of the working chamber through air outlet channels, the air return opening of the heating chamber is arranged on the top of the working chamber, the air outlet channels are composed of side walls of the working chamber and partition plates which are arranged opposite to the side walls, a plurality of air holes are uniformly distributed on the partition plates, and the air return opening is an opening arranged on the top of the working chamber or is provided with a plurality of air hole top plates.
4. The annealing and aging furnace with the adjustable cold air inlet according to claim 3, wherein the electric heating units are arranged at two sides of the heating chamber and correspond to the positions of the air outlet channels.
5. The annealing and aging furnace with the adjustable cold air inlet according to claim 3, wherein the electric heating unit is arranged in the middle of the heating chamber and corresponds to the position of the air return opening.
6. The annealing and aging furnace with adjustable cold air inlet according to claim 4 or 5, wherein the electric heating unit is an electric heating tube.
7. The annealing and aging furnace with the adjustable cold air inlet according to claim 1, wherein a temperature sensor is arranged in the heating chamber and/or the working chamber, the electric heating unit is connected with a solid state relay or an electric power adjusting controller, and the temperature sensor, the solid state relay or the electric power adjusting controller are respectively connected with a PID temperature controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122972389.4U CN219972418U (en) | 2021-11-30 | 2021-11-30 | Annealing and aging furnace with adjustable cold air inlet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122972389.4U CN219972418U (en) | 2021-11-30 | 2021-11-30 | Annealing and aging furnace with adjustable cold air inlet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219972418U true CN219972418U (en) | 2023-11-07 |
Family
ID=88582873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122972389.4U Active CN219972418U (en) | 2021-11-30 | 2021-11-30 | Annealing and aging furnace with adjustable cold air inlet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219972418U (en) |
-
2021
- 2021-11-30 CN CN202122972389.4U patent/CN219972418U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101548787B (en) | Flow equalizing apparatus used in heated air circulation sterilization dryer for heating cavity | |
| CN102433521B (en) | Fuel gas roller hearth continuous rapid aging furnace | |
| CN102092926B (en) | Toughened grass homogenizing furnace | |
| CN205473901U (en) | Controllable at uniform velocity heat sink of heat treatment cooling process | |
| CN107815531B (en) | Large-scale structure heat treatment equipment | |
| CN201370084Y (en) | Current balancing device in chamber body of hot wind circulation sterilization dryer | |
| CN211626062U (en) | Roller kiln | |
| CN110783240A (en) | Furnace body equipment | |
| CN219972418U (en) | Annealing and aging furnace with adjustable cold air inlet | |
| CN213835041U (en) | Three-section type glass bottle annealing device for production | |
| CN211522263U (en) | Solid smelting furnace and metal hot processing production line | |
| CN201933010U (en) | Toughened glass homogenizing furnace | |
| CN210449755U (en) | Heated air circulation formula heating chamber | |
| CN106929407A (en) | Cold and hot ducting system and gene sequencer | |
| CN205741128U (en) | A kind of vertical continuous way tempering furnace | |
| CN210420041U (en) | Novel quenching chamber of spiral wind direction continuous isothermal normalizing furnace | |
| CN217230843U (en) | Circulating air duct structure in annealing and aging furnace | |
| CN102534177A (en) | Continuous annealing unit and circulating temperature control device for aging section of continuous annealing unit | |
| CN217104002U (en) | Heating device arranged in annealing and aging furnace in subareas | |
| CN210237684U (en) | Workpiece rapid cooling device under protective atmosphere | |
| CN217230842U (en) | Radiation heating type annealing and aging furnace | |
| CN217230844U (en) | Material frame conveying mechanism in annealing and aging furnace | |
| CN219589443U (en) | Heat treatment device | |
| CN215810120U (en) | Heating air duct of temperature controller hot adjustment furnace | |
| CN208121156U (en) | A kind of novel wind-guiding tempering furnace |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |