CN219956093U - Uniform heating auxiliary device for electronic sintering furnace - Google Patents
Uniform heating auxiliary device for electronic sintering furnace Download PDFInfo
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- CN219956093U CN219956093U CN202321366858.0U CN202321366858U CN219956093U CN 219956093 U CN219956093 U CN 219956093U CN 202321366858 U CN202321366858 U CN 202321366858U CN 219956093 U CN219956093 U CN 219956093U
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- 238000005245 sintering Methods 0.000 title claims abstract description 31
- 238000010438 heat treatment Methods 0.000 title claims abstract description 19
- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 239000007789 gas Substances 0.000 claims description 132
- 238000005485 electric heating Methods 0.000 claims description 15
- 238000009423 ventilation Methods 0.000 claims description 5
- 239000002826 coolant Substances 0.000 abstract description 9
- 238000001816 cooling Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000013078 crystal Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a uniform heating auxiliary device for an electronic sintering furnace, which relates to the technical field of sintering furnaces and comprises a furnace body, a vent pipe, an exhaust fan and a gas cooler. According to the utility model, the upper exhaust fan and the lower exhaust fan are arranged, high-temperature gas in the furnace body can be input into the gas storage tank from the upper end and the lower end of the gas storage tank, so that two air flows are mixed in the gas storage tank to realize primary heat exchange of the air flows, the air flows after heat exchange enter the furnace body through the gas transmission pipe to perform secondary heat exchange, so that uniform temperature rise in the furnace body can be realized, and when the temperature is reduced, uniform temperature reduction in the furnace body can be realized only by circulating the coolant in the gas cooler.
Description
Technical Field
The utility model relates to the technical field of sintering furnaces, in particular to a uniform heating auxiliary device for an electronic sintering furnace.
Background
The sintering furnace is a furnace which can bond solid particles of ceramic green bodies with each other, the crystal grains grow up, gaps and crystal boundaries gradually decrease, the total volume of the sintering furnace is contracted and the density of the sintering furnace is increased through substance transmission, and finally the sintering furnace becomes a compact polycrystalline sintered body with a certain microstructure.
In the general case, if the temperature is uneven in the sintering process, the chapping phenomenon is easy to generate when sintering materials, so that the uniform heating of the sintering furnace is important, and after the sintering is finished, the interior of the sintering furnace is required to be uniformly cooled, and therefore, the auxiliary device for the electronic sintering furnace, which can uniformly heat and uniformly cool, is provided.
Disclosure of Invention
The utility model aims at: in order to achieve the purpose of uniform internal temperature of the electronic sintering furnace, the uniform heating auxiliary device for the electronic sintering furnace is provided.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an even heating auxiliary device for electronic sintering stove, includes the furnace body, one side of furnace body rotates and is connected with the furnace gate, inboard both ends and the bottom surface of furnace body are fixed respectively and are installed the electrothermal tube, the inside bottom of furnace body is fixed mounting has the heat-conducting plate, the heat-conducting plate is used for supporting the mould that holds the needs sintering object, a plurality of air homogenizing holes have been seted up to the inner wall both ends of furnace body and heat-conducting plate, the air homogenizing hole is used for ventilation gas;
the bottom and the top of the furnace body are respectively and fixedly provided with a vent pipe, and one end of the furnace body and the top of the furnace body are respectively provided with an exhaust fan;
the exhaust fan is fixedly connected to one end of a vent pipe at the bottom of the furnace body, the top of the exhaust fan is connected with an air storage tank through a pipeline, the air storage tank is fixedly arranged on the fixed support, and the top of the air storage tank is connected with an air cooler through a pipeline;
one end of the gas cooler is fixedly connected with another exhaust fan, one end of the exhaust fan at the top of the furnace body is fixedly provided with a vent pipe at the top of the furnace body, and the exhaust fan, the gas storage tank, the gas cooler and the vent pipe are mutually matched to enable gas in the gas storage tank to circulate so as to achieve the aim of uniform heat in the furnace body;
the outer wall fixedly connected with gas-supply pipe of gas-supply pipe, the one end fixed connection of gas-supply pipe is in the one end of furnace body, the inside of gas-supply pipe is provided with the spiral air guide piece of symmetric distribution, one section spiral air guide piece is installed to the inboard of gas-supply pipe, the spiral air guide piece is used for guiding the different thermal gases of two air exhauster transportation to mix.
As still further aspects of the utility model: the heat conducting plate is tightly attached to the surface of the electric heating tube at the bottom side inside the furnace body, and has the properties of heat conduction and high temperature resistance.
As still further aspects of the utility model: the inside of furnace body is provided with the cavity, the air equalizing hole is connected with the cavity.
As still further aspects of the utility model: the electric heating tubes are arranged in a U-shaped rotary mode, and the air equalizing holes are uniformly formed in the U-shaped openings of the electric heating tubes.
As still further aspects of the utility model: one end of the vent pipe and one end of the gas pipe are communicated with the cavity inside the furnace body.
As still further aspects of the utility model: one end of the gas pipe connected with the outer wall of the gas storage tank is positioned in the middle of the gas storage tank, and the spiral end point of the spiral gas guide sheet inside the gas storage tank is arranged in the middle of the gas storage tank.
As still further aspects of the utility model: the gas cooler is connected with the channel opening of the gas storage tank and the channel opening of the exhaust fan at one end of the furnace body, which is connected with the gas storage tank, are respectively arranged at the spiral starting points of the two spiral gas guide sheets inside the gas storage tank.
Compared with the prior art, the utility model has the beneficial effects that:
through setting up two air exhauster from top to bottom, can follow the inside high temperature gas of furnace body and input to the gas storage tank from both ends about the gas storage tank in, so two air flows carry out mixed flow in the gas storage tank, realize the first heat transfer of air flow, the air flow after the heat transfer enters into the furnace body inside through the gas-supply pipe and carries out the secondary heat transfer, so can realize the inside even intensification of furnace body, and when the cooling, only need make the inside coolant circulation flow of gas cooler can realize the inside even cooling of furnace body, through the cooperation of above a plurality of parts, when realizing the inside temperature of furnace body evenly intensifies or evenly cools down, can effectively avoid the inside temperature variation of furnace body too fast and lead to the material to produce the phenomenon of chapping.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the structure of the present utility model with the oven door and the fixing bracket removed;
fig. 3 is a schematic cross-sectional view of the present utility model with the fixing bracket removed.
In the figure: 1. a furnace body; 2. a furnace door; 3. an exhaust fan; 4. a gas storage tank; 5. a gas cooler; 6. a vent pipe; 7. a gas pipe; 8. an electric heating tube; 9. air equalizing holes; 10. a heat conductive plate; 11. spiral air guide piece.
Description of the embodiments
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 3, in the embodiment of the utility model, a uniform heating auxiliary device for an electronic sintering furnace comprises a furnace body 1, wherein one side of the furnace body 1 is rotationally connected with a furnace door 2, electric heating pipes 8 are respectively fixedly arranged at two ends and the bottom surface of the inner side of the furnace body 1, a heat conducting plate 10 is fixedly arranged at the bottom of the inner side of the furnace body 1, the heat conducting plate 10 is used for supporting a mold filled with an object to be sintered, a plurality of air equalizing holes 9 are formed at two ends of the inner wall of the furnace body 1 and the heat conducting plate 10, and the air equalizing holes 9 are used for circulating air;
the bottom and the top of the furnace body 1 are respectively and fixedly provided with a vent pipe 6, and one end of the furnace body 1 and the top of the furnace body 1 are respectively provided with an exhaust fan 3;
an exhaust fan 3 is fixedly connected to one end of a vent pipe 6 at the bottom of the furnace body 1, the top of the exhaust fan 3 is connected with an air storage tank 4 through a pipeline, the air storage tank 4 is fixedly arranged on a fixed support, and the top of the air storage tank is connected with an air cooler 5 through a pipeline;
one end of the gas cooler 5 is fixedly connected with another exhaust fan 3, one end of the exhaust fan 3 at the top of the furnace body 1 is fixedly provided with a ventilation pipe 6 at the top of the furnace body 1, and the exhaust fan 3, the gas storage tank 4, the gas cooler 5 and the ventilation pipe 6 are mutually matched to enable gas in the gas storage tank 4 to circulate so as to achieve the aim of uniform heat in the furnace body 1;
the outer wall of the gas storage tank 4 is fixedly connected with a gas pipe 7, one end of the gas pipe 7 is fixedly connected with one end of the furnace body 1, spiral gas guide plates 11 which are symmetrically distributed are arranged in the gas storage tank 4, a section of spiral gas guide plates 11 are arranged on the inner side of the gas pipe 7, and the spiral gas guide plates 11 are used for guiding gases with different heat quantities and transported by the two exhaust fans 3 to be mixed;
the heat conducting plate 10 is closely attached to the surface of the electric heating tube 8 at the bottom side inside the furnace body 1, and the heat conducting plate 10 has the heat conducting and high temperature resisting properties;
one end of the vent pipe 6 and one end of the gas pipe 7 are communicated with the cavity inside the furnace body 1.
In this embodiment: when the device is used for sintering objects, the objects to be sintered are placed on the heat conducting plate 10 in the furnace body 1, the furnace door 2 is closed, the electric heating tube 8 is started, a heat source can be provided for the interior of the furnace body 1 when the electric heating tube 8 operates, the exhaust fan 3 is started, the exhaust fan 3 at one end of the furnace body 1 conveys heated gas in the interior of the furnace body 1 to the interior of the gas storage tank 4 through the vent pipe 6 at the bottom of the furnace body 1, the exhaust fan 3 at the top of the furnace body 1 conveys the heated gas in the interior of the furnace body 1 to the interior of the gas cooler 5 and enters the gas storage tank 4 from the gas cooler 5, the upper and lower hot gas flows can be mixed through the spiral gas guide piece 11 in the interior of the gas storage tank 4, so that the temperature of the mixed hot gas flows can be uniform, and the mixed gas flows enter the interior of the furnace body 1 through the gas transmission pipe 7, and the effect of uniform heating in the furnace body 1 can be realized in a reciprocating manner;
what needs to be stated is: the inside of the gas cooler 5 is provided with an S-shaped circulating pipe for circulating and flowing the coolant, two ends of the S-shaped circulating pipe penetrate through the gas cooler 5 and are communicated with a storage tank of the coolant, and the S-shaped circulating pipe coolant in the gas cooler 5 is in a non-flowing state in the process of uniformly heating, namely, the gas cooler 5 is in a non-working state in the process of uniformly heating;
when the sintering operation is completed and the furnace body 1 needs to be cooled, the electric heating tube 8 is closed, the exhaust fans 3 at the upper end and the lower end of the furnace body 1 continue to run, the coolant in the S-shaped circulating pipe in the gas cooler 5 starts to flow (a conveying pump is arranged between the end of the S-shaped circulating pipe and the coolant storage box and can realize the conveying operation of the coolant), at the moment, hot gas passing through the inside of the gas cooler 5 exchanges heat with the coolant, so that the gas is cooled, the cooled gas enters the gas storage tank 4, the bottom of the gas storage tank 4 enters normal high-temperature gas flow, two gases with different heat flows enter the gas storage tank 4, the spiral gas guide plates 11 in the gas storage tank 4 move, the gases exchange heat with each other, so as to reach constant temperature, at the moment, the temperature of the mixed gas flow is lower than the stability in the furnace body 1, and then the mixed gas flow enters the inside of the furnace body 1 to perform secondary heat exchange operation with the high-temperature gas in the furnace body 1, and thus the uniform cooling of the temperature inside the furnace body 1 is realized;
through carrying out the first heat transfer in gas storage tank 4, mixed flow gas after the heat transfer enters into furnace body 1 inside and carries out the secondary heat transfer, when realizing the inside temperature of furnace body 1 even intensification or even cooling, can effectively avoid furnace body 1 inside temperature variation to lead to the material to produce the phenomenon of chapping soon.
Referring to fig. 3, a cavity is formed in the furnace body 1, and an air equalizing hole 9 is connected with the cavity.
In this embodiment: when the exhaust fan 3 is used for transporting gas, the gas can circulate from the cavity through the air equalizing holes 8, so that heat is driven to circulate, and the temperature in the furnace is uniform and constant.
Referring to fig. 2 and 3, the electrothermal tube 8 is arranged in a U-shape, and the air-equalizing holes 9 are uniformly arranged at the U-shaped opening of the electrothermal tube 8.
In this embodiment: when the electric heating tube 8 is started, the structure can enable the electric heating tube 8 to rapidly increase the temperature in the furnace during heating, and simultaneously, when gas passes through the air equalizing holes 9, a large amount of heat generated by the electric heating tube 8 can be driven, so that the temperature in the furnace is uniform and constant rapidly.
Referring to fig. 3, one end of the gas pipe 7 connected to the outer wall of the gas storage tank 4 is located in the middle of the gas storage tank 4, and a spiral end point of the spiral gas guide plate 11 inside the gas storage tank 4 is disposed in the middle of the gas storage tank 4.
In this embodiment: when the structure is used for gas circulation, two exhaust fans 3 transport two different heat gases into the gas storage tank 4 through the vent pipe 6, the two gases exchange heat through the spiral gas guide piece 11, the cold gas descends, the hot gas ascends, the two gases extrude and collide at the middle part of the gas storage tank 4, and the mixed gases with constant temperature are extruded into the gas transmission pipe 7.
Referring to fig. 3, a gas cooler 5 is connected to a channel opening of a gas storage tank 4 and a channel opening of an exhaust fan 3 at one end of a furnace body 1 connected to the gas storage tank 4 are respectively disposed at spiral starting points of two spiral air guide plates 11 inside the gas storage tank 4.
In this embodiment: this structure enables the gas to move along the spiral gas guide plate 11 inside the gas tank 4 when the gas flows.
The foregoing description is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical solution of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (7)
1. The utility model provides an even heating auxiliary device for electronic sintering stove, includes furnace body (1), one side of furnace body (1) rotates and is connected with furnace gate (2), inboard both ends and the bottom surface of furnace body (1) are fixed mounting respectively and are had electrothermal tube (8), its characterized in that, inside bottom of furnace body (1) is fixed mounting has heat-conducting plate (10), heat-conducting plate (10) are used for supporting the mould that holds the needs sintering object, a plurality of air equalizing hole (9) have been seted up to the inner wall both ends of furnace body (1) and heat-conducting plate (10), air equalizing hole (9) are used for ventilation gas;
the bottom and the top of the furnace body (1) are respectively and fixedly provided with a vent pipe (6), and one end of the furnace body (1) and the top of the furnace body (1) are respectively provided with an exhaust fan (3);
the exhaust fan (3) is fixedly connected to one end of a vent pipe (6) at the bottom of the furnace body (1), the top of the exhaust fan (3) is connected with the air storage tank (4) through a pipeline, the air storage tank (4) is fixedly arranged on the fixed support, and the top of the air storage tank is connected with the air cooler (5) through a pipeline;
one end of the gas cooler (5) is fixedly connected with another exhaust fan (3), one end of the exhaust fan (3) at the top of the furnace body (1) is fixedly provided with a vent pipe (6) at the top of the furnace body (1), and the exhaust fan (3), the gas storage tank (4), the gas cooler (5) and the vent pipe (6) are mutually matched to enable gas in the gas storage tank (4) to circulate so as to achieve the aim of uniform heat in the furnace body (1);
the gas storage tank is characterized in that the outer wall of the gas storage tank (4) is fixedly connected with a gas pipe (7), one end of the gas pipe (7) is fixedly connected with one end of the furnace body (1), spiral gas guide plates (11) symmetrically distributed are arranged in the gas storage tank (4), one section of spiral gas guide plates (11) are arranged on the inner side of the gas pipe (7), and the spiral gas guide plates (11) are used for guiding different heat gases transported by the two exhaust fans (3) to be mixed.
2. The uniform heating auxiliary device for the electronic sintering furnace according to claim 1, wherein the heat conducting plate (10) is closely attached to the surface of the electric heating tube (8) at the bottom side inside the furnace body (1), and the heat conducting plate (10) has the properties of heat conduction and high temperature resistance.
3. The uniform heating auxiliary device for the electronic sintering furnace according to claim 1, wherein a cavity is arranged in the furnace body (1), and the air equalizing holes (9) are connected with the cavity.
4. The uniform heating auxiliary device for the electronic sintering furnace according to claim 1, wherein the electric heating tubes (8) are arranged in a U-shaped convolution manner, and the air equalizing holes (9) are uniformly arranged at the U-shaped openings of the electric heating tubes (8).
5. The uniform heating auxiliary device for the electronic sintering furnace according to claim 1, wherein one end of the ventilation pipe (6) and one end of the gas transmission pipe (7) are communicated with the cavity inside the furnace body (1).
6. The uniform heating auxiliary device for the electronic sintering furnace according to claim 1, wherein one end of the gas pipe (7) connected with the outer wall of the gas storage tank (4) is positioned in the middle of the gas storage tank (4), and a spiral end point of a spiral gas guide sheet (11) in the gas storage tank (4) is arranged in the middle of the gas storage tank (4).
7. The uniform heating auxiliary device for the electronic sintering furnace according to claim 1, wherein the passage opening of the gas cooler (5) connected with the gas storage tank (4) and the passage opening of the exhaust fan (3) connected with the gas storage tank (4) at one end of the furnace body (1) are respectively arranged at the spiral starting points of two spiral gas guide sheets (11) in the gas storage tank (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321366858.0U CN219956093U (en) | 2023-06-01 | 2023-06-01 | Uniform heating auxiliary device for electronic sintering furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321366858.0U CN219956093U (en) | 2023-06-01 | 2023-06-01 | Uniform heating auxiliary device for electronic sintering furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219956093U true CN219956093U (en) | 2023-11-03 |
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ID=88541669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321366858.0U Active CN219956093U (en) | 2023-06-01 | 2023-06-01 | Uniform heating auxiliary device for electronic sintering furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219956093U (en) |
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2023
- 2023-06-01 CN CN202321366858.0U patent/CN219956093U/en active Active
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