CN210198056U - Novel vacuum atmosphere box type electric furnace - Google Patents
Novel vacuum atmosphere box type electric furnace Download PDFInfo
- Publication number
- CN210198056U CN210198056U CN201920904521.8U CN201920904521U CN210198056U CN 210198056 U CN210198056 U CN 210198056U CN 201920904521 U CN201920904521 U CN 201920904521U CN 210198056 U CN210198056 U CN 210198056U
- Authority
- CN
- China
- Prior art keywords
- water
- furnace
- pipeline
- cooling circulating
- cooling
- 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
Images
Abstract
The utility model relates to the field of vacuum atmosphere furnaces, in particular to a novel vacuum atmosphere box type electric furnace, which comprises a supporting shell, a furnace top, a furnace door, hinges, a water inlet pipeline, a water return pipeline, a vacuum pipeline, a furnace water cooling circulating pipeline, a furnace door water cooling circulating pipeline, a water cooling circulating component, a heating furnace and a vacuum pump, wherein the furnace top is arranged at the top position of the supporting shell and is fixedly connected with the supporting shell, the supporting shell is provided with the hinges, the furnace door is arranged on the hinges and is connected with the hinges, the heating furnace is arranged at the upper position in the supporting shell and is connected with the supporting shell, the vacuum pump is arranged at the lower position in the supporting shell and is connected with the supporting shell, the vacuum atmosphere furnace which is used at present is mostly heated by electric furnace wires, the highest temperature which can only be used is about 1000 ℃, the sealing gaskets of the furnace door and the furnace top at high temperature are easy to age, the vacuum sealing effect is influenced, and the use requirements of people cannot be met.
Description
Technical Field
The utility model belongs to the technical field of the vacuum atmosphere stove and specifically relates to a novel box electric stove of vacuum atmosphere is related to.
Background
The vacuum atmosphere furnace is also called a method for sintering objects such as an oxygen-free annealing furnace, a vacuum atmosphere sintering furnace and the like in a hearth into which certain gas is introduced. Different materials are sintered in proper atmosphere, which is beneficial to the sintering process, improves the densification degree of the product and obtains the product with good performance. Various atmospheres such as vacuum, hydrogen, oxygen, nitrogen, and inert gas (e.g., argon) are generally used in the vacuum atmosphere furnace. For example, a transparent alumina ceramic may be sintered in a hydrogen atmosphere, a transparent ferroelectric ceramic may be sintered in an oxygen atmosphere, and a nitride ceramic such as aluminum nitride may be sintered in a nitrogen atmosphere. Sometimes, the sintering is conducted in a protective atmosphere, for example, a molybdenum wire furnace is preferably filled with hydrogen, and a tungsten wire furnace is preferably operated under vacuum. The vacuum atmosphere furnace is a novel heat treatment technology combining a vacuum technology and a heat treatment technology, the vacuum environment of the vacuum heat treatment refers to an atmosphere environment lower than one atmosphere pressure, and comprises low vacuum, medium vacuum, high vacuum and ultrahigh vacuum, and the vacuum heat treatment actually belongs to atmosphere control heat treatment. The vacuum heat treatment refers to that all or part of the heat treatment process is carried out in a vacuum state, and the vacuum heat treatment can realize almost all heat treatment processes involved in the conventional heat treatment, but the heat treatment quality is greatly improved. Compared with the conventional heat treatment, the vacuum heat treatment can realize no oxidation, no decarburization and no carburization at the same time, can remove phosphorus chips on the surface of a workpiece, and has the functions of degreasing, degassing and the like, thereby achieving the effect of bright purification of the surface.
The vacuum atmosphere stove that uses at present adopts the heating of electric stove silk mostly, and the temperature that can only use at the highest is about 1000 degrees, and the sealed pad of high temperature furnace gate and furnace roof under high temperature takes place ageing easily, influences the sealed effect of vacuum, and then causes the vacuum atmosphere stove to carry out effectual evacuation operation and effectual improvement work service temperature, influences people's normal use demand.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems that most of the existing vacuum atmosphere furnaces are heated by electric furnace wires, the highest temperature which can only be used is about 1000 ℃, the sealing gaskets of the furnace door and the furnace top with overhigh temperature are easy to age at high temperature, the vacuum sealing effect is influenced, and the use requirements of people cannot be met, the utility model provides a novel vacuum atmosphere box type electric furnace, which adopts the following technical scheme that the novel vacuum atmosphere box type electric furnace comprises a supporting shell, a furnace top, a furnace door, hinges, a water inlet pipeline, a water return pipeline, a vacuum pipeline, a furnace water cooling circulating pipeline, a furnace door water cooling circulating pipeline, a water cooling circulating component, a heating furnace cavity and a vacuum pump, wherein the furnace top is arranged at the top of the supporting shell and is fixedly connected with the supporting shell, the supporting shell is provided with the hinges, and the furnace door is arranged on the hinges and is connected with, the heating furnace is arranged at the upper part in the supporting shell and is connected with the supporting shell, the vacuum pump is arranged at the lower part in the supporting shell and is connected with the supporting shell, the furnace water-cooling circulating pipeline is provided with a furnace water-cooling circulating pipeline water inlet and a furnace water-cooling circulating pipeline water return port, the furnace water-cooling circulating pipeline water inlet and the furnace water-cooling circulating pipeline water return port are arranged on the furnace roof and are connected with the furnace roof, the furnace water-cooling circulating pipeline is wound on the outer peripheral surface of the heating furnace and is connected with the outer peripheral surface of the heating furnace, the furnace door water-cooling circulating pipeline is provided with a furnace door water-cooling circulating pipeline water inlet and a furnace door water-cooling circulating pipeline water return port, the furnace door water-cooling circulating pipeline is arranged on the furnace door and is connected with, the water-cooling circulation component is respectively communicated with a water inlet of the hearth water-cooling circulation pipeline and a water inlet of the furnace door water-cooling circulation pipeline through a water inlet pipeline, and the water-cooling circulation component is respectively communicated with a water return port of the hearth water-cooling circulation pipeline and a water return port of the furnace door water-cooling circulation pipeline through a water return pipeline;
the furnace door water-cooling circulating pipeline is provided with a reticular structure body cooling pipeline which is communicated with the furnace door water-cooling circulating pipeline;
the water-cooling circulation assembly comprises a water tank, a water tank supporting frame, a water pump and a circulation water pipeline, wherein the water tank is arranged at the upper part of the water tank supporting frame and is connected with the water tank supporting frame;
the lower part of the supporting shell is provided with two air inlets and an air outlet, and the air inlets and the air outlet are communicated with the heating hearth through pipelines;
the lower part of the supporting shell is provided with a working control platform, the working control platform is provided with an air inlet valve, an exhaust valve, a flow meter, a vacuum meter, a controller and a pressure difference meter, and the working control platform is also provided with an overpressure alarm and an overpressure air outlet;
the overpressure gas outlet is communicated with the heating hearth through a pipeline;
the utility model has the advantages that: the utility model discloses structural design science, production and processing technology is simple and convenient, utilizes the utility model provides a vacuum atmosphere stove that uses at present, adopt the heating of electric stove silk for the most, the temperature that can only use is about 1000 degrees, and the sealed pad of overtemperature door and furnace top under high temperature takes place ageing easily, influences the vacuum seal effect, can not satisfy people's user demand's problem, moreover, the utility model discloses operation convenient to use utilizes the utility model provides a water-cooling circulation subassembly, furnace water-cooling circulation pipeline and furnace door water-cooling circulation pipeline's common cooperation is showing the damage of having reduced the sealed pad of vacuum atmosphere stove under the high temperature condition to furnace gate and furnace top, has improved the life and the heating temperature of vacuum atmosphere stove.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a left side view structure diagram of the present invention;
FIG. 3 is a schematic diagram of the vacuum atmosphere pressure control during operation of the present invention;
FIG. 4 is a schematic view of the heating control of the present invention;
FIG. 5 is a schematic view of the structure of the hearth water-cooling circulation pipeline in the present invention;
FIG. 6 is a schematic view of the structure of the furnace door water-cooling circulation pipeline in the present invention;
the reference numbers in the figures are: 1-supporting shell, 2-furnace top, 3-furnace door, 4-hinge, 5-water inlet pipeline, 6-water return pipeline, 7-vacuum pipeline, 8-furnace door water-cooling circulating pipeline, 9-furnace door water-cooling circulating pipeline, 10-heating furnace, 11-vacuum pump, 12-furnace door water-cooling circulating pipeline water inlet, 13-furnace door water-cooling circulating pipeline water return port, 14-furnace door water-cooling circulating pipeline water inlet, 15-furnace door water-cooling circulating pipeline water return port, 16-water tank, 17-water tank support frame, 18-water pump, 19-circulating water pipeline, 20-air inlet, 21-air outlet, 22-work control platform, 23-air inlet valve, 24-flowmeter, 25-vacuum meter, 26-controller, water pump, 27-overpressure alarm, 28-overpressure air outlet, 29-pressure difference meter, 30-mesh structure cooling pipeline and 31-exhaust valve.
Detailed Description
Specific example 1: the best embodiment of the invention is further explained by combining the attached drawings 1, 2, 3, 4, 5 and 6 in the specification: in order to solve the problems in the background art, the utility model provides a novel vacuum atmosphere box-type electric furnace, which comprises a supporting shell 1, a furnace top 2, a furnace door 3, hinges 4, a water inlet pipeline 5, a water return pipeline 6, a vacuum pipeline 7, a furnace water cooling circulating pipeline 8, a furnace door water cooling circulating pipeline 9, a water cooling circulating component, a heating furnace 10 and a vacuum pump 11, wherein the furnace top 2 is arranged at the top position of the supporting shell 1 and is fixedly connected with the supporting shell 1, the supporting shell 1 is provided with the hinges 4, the furnace door 3 is arranged on the hinges 4 and is connected with the hinges 4, the heating furnace 10 is arranged at the upper position in the supporting shell 1 and is connected with the supporting shell 1, the vacuum pump 11 is arranged at the lower position in the supporting shell 1 and is connected with the supporting shell 1, the furnace water-cooling circulating pipeline 8 on be provided with furnace water-cooling circulating pipeline water inlet 12 and furnace water-cooling circulating pipeline return water mouth 13, furnace water-cooling circulating pipeline water inlet 12 and furnace water-cooling circulating pipeline return water mouth 13 set up on furnace roof 2 and be connected with furnace roof 2, furnace water-cooling circulating pipeline 8 twine on heating furnace outer 10 global and be connected with heating furnace 10's outer peripheral face, furnace door water-cooling circulating pipeline 9 on be provided with furnace door water-cooling circulating pipeline water inlet 12 and furnace door water-cooling circulating pipeline return water mouth 13, furnace door water-cooling circulating pipeline 9 set up on the furnace door and be connected with furnace door 3, vacuum pump 11 be connected with heating furnace 10 through vacuum pipe, water-cooling circulating component be linked together respectively with furnace water-cooling circulating pipeline water inlet 12 and water-cooling furnace door circulating pipeline water inlet 14 through inlet pipe 5, the water-cooling circulation component is respectively communicated with a hearth water-cooling circulation pipeline water return port 12 and a furnace door water-cooling circulation pipeline water return port 14 through a water return pipeline 6; the water-cooling circulation component comprises a water tank 16, a water tank supporting frame 17, a water pump 18 and a circulation water pipeline 19, wherein the water tank 16 is arranged at the upper part of the water tank supporting frame 17 and is connected with the water tank supporting frame 17, the water pump 18 is arranged at the lower part of the water tank supporting frame 17 and is fixedly connected with the water tank supporting frame 17, the water pump 18 is connected with the water tank 16 through the circulation water pipeline 19, the water pump 18 is respectively communicated with a hearth water-cooling circulation pipeline water inlet 12 and a furnace door water-cooling circulation pipeline water inlet 14 through a water inlet pipeline, and the water tank 16 is respectively communicated with a hearth water-cooling circulation pipeline water return port 13 and a furnace door water-cooling circulation;
the lower part of the supporting shell 1 is provided with two air inlets 20 and an air outlet 21, and the air inlets 20 and the air outlet 21 are communicated with the heating hearth 10 through pipelines; a working control platform 22 is arranged at the lower part of the supporting shell 1, an air inlet valve 23, an air outlet valve 31, a flow meter 24, a vacuum meter 25, a controller 26 and a pressure difference meter 29 are arranged on the working control platform 22, and an overpressure alarm 27 and an overpressure air outlet 28 are also arranged on the working control platform 22; the overpressure air outlet 28 is communicated with the heating hearth 10 through a pipeline; the technical proposal can solve the problems that the sealing gaskets of the prior vacuum atmosphere furnace at high temperature of the furnace door and the furnace top are easy to age and influence the vacuum sealing effect, moreover, the pressure control element arranged on the working control platform 22 can make the utility model carry out overpressure alarm and automatic exhaust, the specific working principle diagram is shown in the attached figure 3 of the specification, in order to prevent the air outlet 21 on the heating hearth 10 from being closed and blocked and prevent the danger caused by the overlarge pressure in the heating hearth 10, the system is specially made, an electric contact pressure difference meter 29 or a pressure sensor obtains a pressure signal in the heating hearth 10, a controller 26 in a driving control module closes an electromagnetic air inlet valve 23, an electromagnetic exhaust/31 and an overpressure alarm 27 are started, the pressure is released from an overpressure air outlet 28, and the overpressure alarm 27 gives an alarm, so that the normal operation and the personal safety of the electric furnace are protected.
Specific example 2: the best embodiment of the invention is further explained by combining the attached drawings 1, 2, 3, 4, 5 and 6 in the specification: in order to solve the problems in the background art, the utility model provides a novel vacuum atmosphere box-type electric furnace, which comprises a supporting shell 1, a furnace top 2, a furnace door 3, hinges 4, a water inlet pipeline 5, a water return pipeline 6, a vacuum pipeline 7, a furnace water cooling circulating pipeline 8, a furnace door water cooling circulating pipeline 9, a water cooling circulating component, a heating furnace 10 and a vacuum pump 11, wherein the furnace top 2 is arranged at the top position of the supporting shell 1 and is fixedly connected with the supporting shell 1, the supporting shell 1 is provided with the hinges 4, the furnace door 3 is arranged on the hinges 4 and is connected with the hinges 4, the heating furnace 10 is arranged at the upper position in the supporting shell 1 and is connected with the supporting shell 1, the vacuum pump 11 is arranged at the lower position in the supporting shell 1 and is connected with the supporting shell 1, the furnace water-cooling circulating pipeline 8 on be provided with furnace water-cooling circulating pipeline water inlet 12 and furnace water-cooling circulating pipeline return water mouth 13, furnace water-cooling circulating pipeline water inlet 12 and furnace water-cooling circulating pipeline return water mouth 13 set up on furnace roof 2 and be connected with furnace roof 2, furnace water-cooling circulating pipeline 8 twine on heating furnace outer 10 global and be connected with heating furnace 10's outer peripheral face, furnace door water-cooling circulating pipeline 9 on be provided with furnace door water-cooling circulating pipeline water inlet 12 and furnace door water-cooling circulating pipeline return water mouth 13, furnace door water-cooling circulating pipeline 9 set up on the furnace door and be connected with furnace door 3, vacuum pump 11 be connected with heating furnace 10 through vacuum pipe, water-cooling circulating component be linked together respectively with furnace water-cooling circulating pipeline water inlet 12 and water-cooling furnace door circulating pipeline water inlet 14 through inlet pipe 5, the water-cooling circulation component is respectively communicated with a hearth water-cooling circulation pipeline water return port 12 and a furnace door water-cooling circulation pipeline water return port 14 through a water return pipeline 6; the water-cooling circulation component comprises a water tank 16, a water tank supporting frame 17, a water pump 18 and a circulation water pipeline 19, wherein the water tank 16 is arranged at the upper part of the water tank supporting frame 17 and is connected with the water tank supporting frame 17, the water pump 18 is arranged at the lower part of the water tank supporting frame 17 and is fixedly connected with the water tank supporting frame 17, the water pump 18 is connected with the water tank 16 through the circulation water pipeline 19, the water pump 18 is respectively communicated with a hearth water-cooling circulation pipeline water inlet 12 and a furnace door water-cooling circulation pipeline water inlet 14 through a water inlet pipeline, and the water tank 16 is respectively communicated with a hearth water-cooling circulation pipeline water return port 13 and a furnace door water-cooling circulation; in order to make the furnace door 3 of the utility model have better cooling effect, a net structure cooling pipeline 30 is arranged on the furnace door water-cooling circulating pipeline 9, and the net structure cooling pipeline 30 is communicated with the furnace door water-cooling circulating pipeline 30; the mesh structure cooling pipeline 30 can increase the contact area with the furnace door 3, thereby improving the cooling effect of the mesh structure cooling pipeline on the furnace door 3.
The utility model discloses theory of operation and working process at specific during operation do: firstly, the heating furnace chamber 10 in the novel vacuum atmosphere box-type electric furnace of the utility model starts to work when heating, at this time, the water pump 18 pumps water in the water tank 16 into the water inlet pipeline through the circulating water pipeline 19, when cooling the heating furnace chamber 10, the water inlet pipeline 5 pumps water into the furnace chamber water-cooling circulating pipeline 9 through the furnace chamber water-cooling circulating pipeline water inlet 12 and flows out from the furnace chamber water-cooling circulating pipeline water return port 13, because the furnace chamber water-cooling circulating pipeline 8 is wound around the periphery of the heating furnace chamber 10, the furnace chamber water-cooling circulating pipeline can effectively cool the heating furnace chamber 10, when cooling the furnace door 3, the water inlet pipeline 5 enters the furnace door water-cooling circulating pipeline 9 through the furnace door water-cooling circulating pipeline water inlet 14 and flows out from the furnace door water-cooling circulating pipeline water return port 15, because the structure of the furnace door water-cooling circulating pipeline 9 is a mesh structure body as shown in the attached figure 6 in the specification, the furnace door water-cooling circulating pipeline can effectively cool the furnace door 3 by itself, and finally, water flowing out from the hearth water-cooling circulating pipeline water return port 13 and the furnace door water-cooling circulating pipeline water return port 15 and absorbing heat enters the water tank 16 through the water return pipeline 6 for cooling and recycling. Utilize the utility model discloses a novel technical scheme of box electric stove of vacuum atmosphere can prevent effectively that furnace gate and furnace roof from taking place sealed pad ageing under the high temperature, influence the problem of the sealed effect of vacuum, moreover, the utility model discloses showing the service temperature who has improved the vacuum atmosphere stove, can using 1000 degrees, 1200 degrees, 1400 degrees, different temperature grades such as 1700 degrees, to different temperatures, adopt different heating element, rate of heat-up: 1 ℃/min to 40 ℃/min is adjustable, in order to reach different vacuum degrees in the concrete use process, the utility model discloses can adopt different vacuum pump systems, the vacuum degree scope: 50-500 Pa.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.
Claims (6)
1. A novel vacuum atmosphere box type electric furnace is characterized by comprising a supporting shell, a furnace top, a furnace door, hinges, a water inlet pipeline, a water return pipeline, a vacuum pipeline, a furnace water-cooling circulating pipeline, a furnace door water-cooling circulating pipeline, a water-cooling circulating component, a heating furnace and a vacuum pump, wherein the furnace top is arranged at the top of the supporting shell and is fixedly connected with the supporting shell, the supporting shell is provided with the hinges, the furnace door is arranged on the hinges and is connected with the hinges, the heating furnace is arranged at the upper part in the supporting shell and is connected with the supporting shell, the vacuum pump is arranged at the lower part in the supporting shell and is connected with the supporting shell, the furnace water-cooling circulating pipeline is provided with a furnace water-cooling circulating pipeline water inlet and a furnace water-cooling circulating pipeline water return port, the furnace water-cooling circulating pipeline water inlet and the furnace water-cooling circulating pipeline return, furnace water-cooling circulating line twine on heating furnace outer peripheral face and be connected with heating furnace's outer peripheral face, furnace door water-cooling circulating line on be provided with furnace door water-cooling circulating line water inlet and furnace door water-cooling circulating line return water mouth, furnace door water-cooling circulating line set up on the furnace door and be connected with the furnace door, the vacuum pump be connected with heating furnace through vacuum line, water-cooling circulation subassembly be linked together respectively through inlet channel and furnace water-cooling circulating line water inlet and furnace door water-cooling circulating line water inlet, water-cooling circulation subassembly be linked together respectively through return water pipeline and furnace water-cooling circulating line return water mouth and furnace door water-cooling circulating line return water mouth.
2. The novel vacuum atmosphere box-type electric furnace according to claim 1, wherein a mesh structure cooling pipeline is arranged on the furnace door water-cooling circulating pipeline, and the mesh structure cooling pipeline is communicated with the furnace door water-cooling circulating pipeline.
3. The vacuum atmosphere box-type electric furnace as claimed in claim 1, wherein the water-cooling circulation assembly comprises a water tank, a water tank support frame, a water pump and a circulation water pipeline, wherein the water tank is disposed at an upper position of the water tank support frame and connected with the water tank support frame, the water pump is disposed at a lower position of the water tank support frame and fixedly connected with the water tank support frame, the water pump is connected with the water tank through the circulation water pipeline, the water pump is respectively communicated with the hearth water-cooling circulation pipeline water inlet and the furnace door water-cooling circulation pipeline water inlet through a water inlet pipeline, and the water tank is respectively communicated with the hearth water-cooling circulation pipeline water return port and the furnace door water-cooling circulation pipeline water return port through.
4. The new vacuum atmosphere box type electric furnace according to claim 1, wherein the lower part of the supporting shell is provided with two air inlets and one air outlet, and the air inlets and the air outlet are communicated with the heating hearth through pipelines.
5. The novel vacuum atmosphere box-type electric furnace according to claim 1, wherein a work control platform is arranged at the lower part of the supporting shell, an air inlet valve, an exhaust valve, a flowmeter, a vacuum gauge, a controller and a pressure difference gauge are arranged on the work control platform, and an overpressure alarm and an overpressure air outlet are further arranged on the work control platform.
6. The novel vacuum atmosphere box type electric furnace according to claim 5, wherein the overpressure gas outlet is communicated with the heating hearth through a pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920904521.8U CN210198056U (en) | 2019-06-17 | 2019-06-17 | Novel vacuum atmosphere box type electric furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920904521.8U CN210198056U (en) | 2019-06-17 | 2019-06-17 | Novel vacuum atmosphere box type electric furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210198056U true CN210198056U (en) | 2020-03-27 |
Family
ID=69870741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920904521.8U Active CN210198056U (en) | 2019-06-17 | 2019-06-17 | Novel vacuum atmosphere box type electric furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210198056U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117704786A (en) * | 2024-02-04 | 2024-03-15 | 弗恩森(天津)科技有限公司 | Positive electrode material sintering equipment |
-
2019
- 2019-06-17 CN CN201920904521.8U patent/CN210198056U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117704786A (en) * | 2024-02-04 | 2024-03-15 | 弗恩森(天津)科技有限公司 | Positive electrode material sintering equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210198056U (en) | Novel vacuum atmosphere box type electric furnace | |
| CN101709364B (en) | Metal heat-treatment controllable slow-cooling device and intelligent on-line monitoring system | |
| CN205434432U (en) | Quick refrigerated steam sterilizer | |
| CN109425107A (en) | A kind of hot-blast stove of high-voltage operation | |
| US3112919A (en) | Vacuum furnace | |
| CN204097517U (en) | A kind of well vacuum bright annealing oven | |
| CN209792609U (en) | Powder metallurgy copper-based friction block preparation system | |
| CN210193955U (en) | Multi-tube continuous annealing furnace for processing titanium and titanium alloy wires | |
| CN209024605U (en) | A kind of copper-clad aluminum conductor heat pipe-type annealing device | |
| CN108690906B (en) | Stainless steel heat treatment process adopting vacuum bright heat treatment furnace | |
| CN202519307U (en) | Double-layer sealing non-standard bell type furnace | |
| CN201587962U (en) | Metal heat treatment controllable retarded cooling device and intelligent on-line monitoring system | |
| CN214088592U (en) | Vacuum quenching furnace | |
| CN210529024U (en) | Carburizing equipment | |
| CN211497727U (en) | High-frequency online annealing device | |
| CN212713626U (en) | Round billet vacuum degassing device for forging | |
| CN207998627U (en) | A kind of vacuum drying oven argon gas circulating cooling system | |
| CN108660300A (en) | A method of it preventing metallic cylinder heat treatment air-breathing deterioration and reduces deformation | |
| CN2396356Y (en) | Vacuum annealing furnace | |
| CN101660200A (en) | Method for growing polycrystalline silicon ingot under slight positive pressure state and ingot furnace | |
| CN106392040A (en) | Communicating vessel type low-pressure casting holding furnace suitable for mold filling using mechanical pump | |
| CN202485424U (en) | Non-standard hood type furnace with intake air from side plane at bottom | |
| CN104593745A (en) | Carbon coating process for high purity graphite crystallizer | |
| CN205538009U (en) | Thermocouple seat for vacuum heat treatment | |
| CN211177895U (en) | Pressure sintering furnace with waste heat utilization |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |