CN219589443U - Heat treatment device - Google Patents
Heat treatment device Download PDFInfo
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- CN219589443U CN219589443U CN202320441504.1U CN202320441504U CN219589443U CN 219589443 U CN219589443 U CN 219589443U CN 202320441504 U CN202320441504 U CN 202320441504U CN 219589443 U CN219589443 U CN 219589443U
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Abstract
The utility model discloses a heat treatment device, comprising: the device comprises a furnace body, heating wires, a ventilation plate and a hot gas circulation assembly; the top end and the low end in the furnace body are provided with heating wires, and a piece to be heated is arranged between the heating wires; the ventilation plate is inserted into the furnace body through the side wall of the furnace body, and the ventilation plate is positioned between the heating wire and the piece to be heated; and a plurality of groups of air outlet pipes of the hot air circulation assembly are communicated with the top end of the furnace body, and a plurality of groups of air inlet pipes of the hot air circulation assembly are communicated with the bottom end of the furnace body, wherein the hot air circulation assembly is used for circulating hot air at the top of the furnace body to the bottom end of the furnace body. According to the utility model, the hot gas at the top end of the furnace body is conveyed to the bottom end of the furnace body through the hot gas circulation assembly, so that the temperature in the furnace body is kept consistent, a piece to be heated in the middle of the furnace body is heated uniformly, the yield of the piece to be heated is improved, and meanwhile, the fan is arranged outside the furnace body, so that the maintenance is convenient, and the failure rate is reduced.
Description
Technical Field
The utility model belongs to the technical field of heating equipment, and particularly relates to a heat treatment device.
Background
The heat treatment is a process of heating metal workpiece in certain medium to proper temperature, maintaining the temperature for certain period, cooling in different medium at different speed and altering the microstructure of the metal material surface or inside to control its performance.
The heat treatment furnace in the current market adopts an electric heating pipe for heating, the temperature above the furnace body of the heat treatment furnace with the structure is high, the temperature below the furnace body is low, in order to ensure that the temperature in the furnace body is uniform, a fan is often adopted to enable air in the furnace body to flow, the purpose of uniform temperature is achieved, but the service life of the fan is low, the service life is influenced, and the heating effect of the heat treatment furnace is influenced.
Disclosure of Invention
The utility model provides a heat treatment device which aims to solve the technical problem that the upper and lower temperatures in a furnace body of traditional heat treatment are not uniform.
In order to solve the technical problems, the utility model adopts a technical scheme that: a heat treatment apparatus comprising: the device comprises a furnace body, heating wires, a ventilation plate and a hot gas circulation assembly; the top end and the low end in the furnace body are provided with heating wires, and a piece to be heated is arranged between the heating wires; the ventilation plate is inserted into the furnace body through the side wall of the furnace body, and the ventilation plate is positioned between the heating wire and the piece to be heated; and a plurality of groups of air outlet pipes of the hot air circulation assembly are communicated with the top end of the furnace body, and a plurality of groups of air inlet pipes of the hot air circulation assembly are communicated with the bottom end of the furnace body, wherein the hot air circulation assembly is used for circulating hot air at the top of the furnace body to the bottom end of the furnace body.
Further, the hot gas circulation assembly further comprises an air suction port, a middle conveying pipe and air suction fans, the air suction port is arranged at the end part of the air outlet pipe and is positioned at the upper end of the heating wire, the air outlet pipe is connected with the air inlet pipe through the middle conveying pipe, the air suction fans are arranged in the middle conveying pipe, and an air outlet is formed in the upper end of the air outlet pipe.
Further, the suction port is in a stepped shape, wherein the length of the lower end of the cross section of the suction port is longer than that of the upper end.
Further, still include the control by temperature change subassembly, the control by temperature change subassembly includes first temperature controller, second temperature controller, first temperature sensor and second temperature sensor, and first temperature controller is connected with the heater strip of furnace roof, and the second temperature controller is connected with the heater strip of stove bottom, and first temperature sensor and second temperature sensor divide into the top and the bottom that are located the furnace body inside.
Further, furnace openings are formed in two sides of the furnace body.
Further, the surface layer of the furnace body and the outer side of the middle conveying pipe are provided with heat preservation layers.
The beneficial effects of the utility model are as follows: according to the utility model, the hot gas at the top end of the furnace body is conveyed to the bottom end of the furnace body through the hot gas circulation assembly, so that the temperature in the furnace body is kept consistent, a piece to be heated in the middle of the furnace body is heated uniformly, the yield of the piece to be heated is improved, and meanwhile, the fan is arranged outside the furnace body, so that the maintenance is convenient, and the failure rate is reduced.
Drawings
FIG. 1 is a schematic view showing the structure of an embodiment of a heat treatment apparatus of the present utility model;
FIG. 2 is a schematic cross-sectional view of an embodiment of the furnace of FIG. 1;
fig. 3 is a schematic block diagram of an embodiment of a temperature control unit of the present utility model.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
As shown in fig. 1, fig. 1 is a schematic structural view of an embodiment of a heat treatment apparatus of the present utility model. The heat treatment apparatus includes: the device comprises a furnace body 1, heating wires 2, a ventilation plate 3, a hot gas circulation assembly 4 and a temperature control assembly 5; the top end and the low end in the furnace body 1 are provided with heating wires 2, and a piece 6 to be heated is arranged between the heating wires 2; the ventilation plate 3 is inserted into the furnace body 1 through the side wall of the furnace body 1, and the ventilation plate 3 is positioned between the heating wire 2 and the piece 6 to be heated; the multiple groups of air outlet pipes 41 of the hot air circulation assembly 4 are communicated with the top end of the furnace body 1, and the multiple groups of air inlet pipes 42 of the hot air circulation assembly 4 are communicated with the bottom end of the furnace body 1, wherein the hot air circulation assembly 4 is used for circulating hot air at the top of the furnace body 1 to the bottom end of the furnace body 1. The heater strip 2 in the design can heat the inside of the furnace body 1, and meanwhile, the hot gas circulation assembly 4 conveys hot gas at the furnace top to the furnace bottom through the gas outlet pipe 41, so that the circulation of the hot gas is completed, the temperature in the furnace body 1 is maintained within a certain range, the heated part 6 (such as steel, a die and the like) is ensured to be heated uniformly, and the yield is improved.
The hot air circulation assembly 4 further comprises an air suction port 43, a middle conveying pipe 44 and an air suction fan 45, the air suction port 43 is arranged at the end part of the air outlet pipe 41 and is positioned at the upper end of the heating wire 2, the air outlet pipe 41 is connected with the air inlet pipe 42 through the middle conveying pipe 44, the air suction fans 45 are arranged in the middle conveying pipe 44, and an air outlet 46 is formed in the upper end of the air outlet pipe 41. The air suction port 43 in the design can absorb the hot air at the upper end of the furnace body 1, high-temperature air is conveyed to the air outlet pipe 41 through the air suction fan 45 at the outer side, and the multi-section air suction fan 45 at the outer side of the furnace body 1 is convenient to maintain and replace, so that the hot air can be ensured to be continuously conveyed to the air outlet pipe 41, and the hot air conveying is kept.
The suction port 43 is in the form of a stepped shape, wherein the length of the lower end is greater than the length of the upper end in the cross section of the suction port 43. The air suction port 43 in the design is positioned at the upper end of the heating wire 2, and the design of the trapezoid-shaped air suction port 43 is convenient for the central air suction pipe 42 to intensively suck the hot air at the upper end, thereby being convenient for conveying. In some embodiments, the outlet of the air outlet pipe 41 may be configured as a stepped or truncated cone, so that the hot air delivered to the bottom of the furnace may be uniformly raised to the furnace body 1, thereby further improving the temperature control effect.
Furnace body openings 11 are arranged on two sides of the furnace body 1 and are used for conveying and taking out the heating parts.
As shown in fig. 2, fig. 2 is a schematic cross-sectional structure of an embodiment of the furnace body in fig. 1. The outer side of the surface layer middle conveying pipe 44 of the furnace body 1 is provided with an insulating layer 12. The heat insulation layer 12 in the design can effectively reduce heat loss of the furnace body 1 and the middle conveying pipe 44, thereby reducing energy consumption.
As shown in fig. 3, fig. 3 is a schematic block diagram illustrating the structure of an embodiment of a temperature control unit according to the present utility model. The temperature control assembly 5 comprises a first temperature controller 51, a second temperature controller 52, a first temperature sensor 53 and a second temperature sensor 54, wherein the first temperature controller 51 is connected with the heating wire 2 at the furnace top, the second temperature controller 52 is connected with the heating wire 2 at the furnace bottom, and the first temperature sensor 53 and the second temperature sensor 54 are respectively positioned at the top end and the bottom end inside the furnace body 1. The first temperature controller 51 and the second temperature controller 52 in the above design can respectively control the heating temperatures of the upper end and the lower end heating wires 2, and because the hot air can be gathered upwards, the setting temperature of the upper end heating wires 2 can be slightly lower than the setting temperature of the lower end heating wires 2, so that the whole temperature uniformity of the furnace body 1 is ensured, and meanwhile, the first temperature sensor 53 and the second temperature sensor 54 can display the temperature of the furnace top and the furnace bottom in real time, so as to control the air supply efficiency of the air suction fan 45, and control the temperature display of the furnace top and the furnace bottom to be the same.
In a specific operation mode, the furnace opening 11 is opened, the to-be-heated member 6 is fed into the furnace 1 and positioned between the heating wires 2, and then the furnace opening 11 is closed. The first thermostat 51 and the second thermostat 52 are opened, and the temperature is set to a predetermined temperature. When the temperature reaches the preset temperature quickly, the temperature of the furnace top is higher than the temperature of the furnace bottom because hot air can be gathered upwards, at the moment, the external multi-section air suction fan 45 is turned on, and high-temperature gas of the furnace top is conveyed to the air inlet pipe 42 of the furnace bottom through the air suction port 43, so that the temperature of the furnace bottom is increased, the temperature of the furnace top is reduced, the first temperature sensor 53 and the second temperature sensor 54 are guaranteed to be identical in temperature display, circulation of hot air is completed, the temperature inside the furnace body 1 is kept within a certain range, uniform heating of a piece 6 to be heated is guaranteed, and the yield is improved.
According to the utility model, the hot gas at the top end of the furnace body 1 is conveyed to the bottom end of the furnace body 1 through the hot gas circulation assembly 4, so that the temperature in the furnace body 1 is kept consistent, the to-be-heated piece 6 positioned in the middle of the furnace body 1 is heated uniformly, the yield of the to-be-heated piece 6 is improved, and meanwhile, the fan is arranged outside the furnace body 1, so that the maintenance is convenient, and the failure rate is reduced.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (6)
1. A heat treatment apparatus, comprising: the device comprises a furnace body, heating wires, a ventilation plate and a hot gas circulation assembly; the heating wires are arranged at the top end and the low end inside the furnace body, and a piece to be heated is arranged between the heating wires; the ventilation plate is inserted into the furnace body through the side wall of the furnace body, and is positioned between the heating wire and the to-be-heated piece; the multi-group air outlet pipes of the hot air circulation assembly are communicated with the top end of the furnace body, and the multi-group air inlet pipes of the hot air circulation assembly are communicated with the bottom end of the furnace body, wherein the hot air circulation assembly is used for circulating hot air at the top of the furnace body to the bottom end of the furnace body.
2. The heat treatment device according to claim 1, wherein the hot gas circulation assembly further comprises an air suction port, a middle conveying pipe and an air suction fan, the air suction port is arranged at the end part of the air outlet pipe and is positioned at the upper end of the heating wire, the air outlet pipe is connected with the air inlet pipe through the middle conveying pipe, a plurality of air suction fans are arranged in the middle conveying pipe, and an air outlet is formed in the upper end of the air outlet pipe.
3. A heat treatment apparatus according to claim 2, wherein the suction port is in the form of a stepped shape, and wherein the length of the lower end of the suction port in cross section is greater than the length of the upper end.
4. The heat treatment apparatus according to claim 1, further comprising a temperature control assembly including a first temperature controller, a second temperature controller, a first temperature sensor and a second temperature sensor, wherein the first temperature controller is connected with the heating wire of the furnace top, the second temperature controller is connected with the heating wire of the furnace bottom, and the first temperature sensor and the second temperature sensor are divided into a top end and a bottom end inside the furnace body.
5. A heat treatment apparatus according to claim 1, wherein furnace openings are provided on both sides of the furnace.
6. A heat treatment device according to claim 2, wherein the surface layer of the furnace body and the outside of the intermediate transfer pipe are provided with heat-insulating layers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320441504.1U CN219589443U (en) | 2023-03-10 | 2023-03-10 | Heat treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320441504.1U CN219589443U (en) | 2023-03-10 | 2023-03-10 | Heat treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219589443U true CN219589443U (en) | 2023-08-25 |
Family
ID=87687754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320441504.1U Active CN219589443U (en) | 2023-03-10 | 2023-03-10 | Heat treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219589443U (en) |
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2023
- 2023-03-10 CN CN202320441504.1U patent/CN219589443U/en active Active
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