CN220670127U - High-temperature hot air circulation oven capable of reducing heat overflow - Google Patents
High-temperature hot air circulation oven capable of reducing heat overflow Download PDFInfo
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- CN220670127U CN220670127U CN202322302737.6U CN202322302737U CN220670127U CN 220670127 U CN220670127 U CN 220670127U CN 202322302737 U CN202322302737 U CN 202322302737U CN 220670127 U CN220670127 U CN 220670127U
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- 238000010438 heat treatment Methods 0.000 claims abstract description 21
- 239000000498 cooling water Substances 0.000 claims description 55
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- 238000009434 installation Methods 0.000 claims description 14
- 238000001816 cooling Methods 0.000 claims description 11
- 230000001105 regulatory effect Effects 0.000 claims description 9
- 230000017525 heat dissipation Effects 0.000 claims description 6
- 238000004321 preservation Methods 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000001914 filtration Methods 0.000 abstract description 7
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Abstract
The utility model discloses a high-temperature hot air circulation oven capable of reducing heat overflow, which comprises an inner box body, an outer frame, a plurality of groups of circulating fans, a moisture-discharging fan, a fresh air filtering device and a heating device, wherein the bottom of the inner box body is connected with the bottom of the outer frame through a plurality of supporting frames, the plurality of groups of circulating fans, the moisture-discharging fan, the fresh air filtering device and the heating device are all arranged on the top surface of the outer frame, the heating end of the heating device extends into the inner box body through an expansion joint, the blowing ports of the plurality of groups of circulating fans respectively extend into the inner box body through the expansion joint, an air inlet pipeline of the fresh air filtering device is communicated with the inner box body through the outer frame, and an exhaust port of the moisture-discharging fan extends into the inner box body through the expansion joint. The utility model solves the problem of uneven inner wall caused by the expansion deformation of the plates and the pipes at high temperature, effectively reduces the heat dissipated by the oven to the working environment and shortens the time of the production flow.
Description
Technical Field
The utility model relates to the technical field of drying equipment, in particular to a high-temperature hot air circulating oven for reducing heat overflow.
Background
The high-temperature oven is a branch derived from the hot air circulation oven, part of the wet circulating air is discharged through the forced moisture discharge fan, and the material is dried by using the advection circulating hot air with the temperature up to 600 ℃. However, the existing high-temperature oven has the following technical defects:
(1) Because the metal has great thermal expansion under 600 ℃ high temperature state, so the inner frame box body that circulation hot air overflows needs to be made into two independent structures with the outer frame that thermal expansion is less, and both pass through welded fastening, this leads to the welding point between inner frame box body and the outer frame too much, can appear the inner wall unevenness at thermal expansion shrinkage in-process, influences pleasing to the eye problem.
(2) During the long-time drying process, heat is slowly transferred to the outer surface through the joint of the inner and outer frames. The two connecting surfaces are usually the bottom surface and the surface provided with the door, and due to limited air heat dissipation, heat is accumulated on the outer surfaces of the two connecting surfaces, and a large amount of heat is dissipated to the working environment and the ground.
(3) Because the high-temperature oven works in a high-temperature state for a long time, the service lives of parts of the oven are shorter.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model discloses a high-temperature hot air circulation oven for reducing heat dissipation, which solves the problem of uneven inner walls caused by expansion and deformation of plates and pipes at high temperature, effectively reduces the heat dissipation of the oven to the working environment and shortens the time of the production process.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a reduce high temperature hot air circulation oven that heat overflows, includes interior box, outer frame, a plurality of group circulating fan, wet exhaust fan, new trend filter equipment and heating device, wherein, the bottom of interior box through a plurality of support frames with the bottom of outer frame is connected, a plurality of group circulating fan, wet exhaust fan, new trend filter equipment and heating device are all installed on the top surface of outer frame, heating device's heating end passes the expansion joint and extends to in the interior box, a plurality of group circulating fan's blast gate passes the expansion joint respectively and extends to in the interior box, new trend filter equipment's air intake pipeline pass outer frame with interior box intercommunication, wet exhaust fan's exhaust port passes the expansion joint and extends to in the interior box.
Preferably, a heat insulation gasket is arranged between the contact surfaces of the support frame and the inner box body.
Preferably, the inner box both sides pass through a plurality of connecting plates with outer frame connection, outer frame outer door frame with the inner door frame fixed connection of inner box, install the oven door plant on the outer frame, the oven door plant with the installation clearance department of the inner door frame of inner box is provided with sealing strip one, the oven door plant with the installation clearance department of outer frame outer door frame is provided with sealing strip two.
Preferably, the oven door plate is matched and locked with a plurality of locking devices on the outer frame.
Preferably, the cooling system further comprises a cooling system, wherein the cooling system comprises an outer frame cooling water channel, an inner frame cooling water channel, a door plate cooling water channel and a top cooling water channel, the outer frame cooling water channel surrounds the periphery of an outer frame, the inner frame cooling water channel surrounds the periphery of an inner frame of the inner box body and is positioned at the installation position of the sealing strip, the door plate cooling water channel surrounds the periphery of the inner side surface of the oven door plate, the top cooling water channel is arranged at the top of the outer frame, and the outer frame cooling water channel, the inner frame cooling water channel, the door plate cooling water channel and the top cooling water channel are all connected with a cooling water circulation device.
Preferably, the installation gap between the outer frame and the inner box body is provided with an insulation layer.
Preferably, the inner box body adopts a fixed-open plate as an inner wall, and the reinforcing ribs are formed by folding the fixed-open plate.
Preferably, the two sides of the inner box body are provided with air regulating plates for regulating the uniformity of circulating air.
The beneficial effects are that: compared with the prior art, the high-temperature hot air circulation oven for reducing heat overflow has the following advantages:
(1) According to the utility model, the bottom surface of the inner box body is connected with the bottom of the outer frame through the support frame, direct contact is avoided, and the heat insulation gasket is arranged between the contact surfaces of the support frame and the inner box body, so that heat in the inner box body can be effectively prevented from being transferred to the bottom of the oven, the temperature of the bottom of the oven is not higher than 60 ℃, the workshop terrace of a user can be protected, the utilization efficiency of energy sources can be improved, and an energy-saving effect is achieved.
(2) According to the utility model, the inner frame cooling water channel at the installation position of the sealing strip can effectively prolong the service life of the sealing strip at the installation position, and the cooling time in the box can be effectively shortened in the cooling stage after the drying is finished, so that the time of the whole production process is shortened, and meanwhile, the inner frame cooling water channel, the door plate cooling water channel and the top cooling water channel are cooperated to work, so that the heat dissipated by the oven to the working environment is effectively reduced, the influence on the temperature of a production workshop is reduced, and the energy-saving effect is further realized.
(3) According to the utility model, only the door surface direction is connected with the outer frame through welding, so that the welding points between the inner box body and the outer frame are reduced, the thermal expansion of the inner box body to the two sides and the rear side at high temperature is not influenced on the premise of ensuring the displacement of the inner box body and the outer frame, and the inner box body is connected with the top of the outer frame through the expansion joint, so that the inner box body can be thermally expanded upwards.
Drawings
FIG. 1 is a schematic overall structure of embodiment 1;
fig. 2 is a schematic view of the internal structure of embodiment 1;
FIG. 3 is a schematic view in section A-A of FIG. 1;
FIG. 4 is a top view of example 1;
in the figure: the novel air conditioner comprises an inner box body 1, an air regulating plate 1-1, an outer frame 2, a locking device 2-1, a circulating fan 3, a wet exhausting fan 4, a fresh air filtering device 5, a heating device 6, a supporting frame 7, a heat insulation gasket 8, an oven door plate 9, a door hinge assembly 9-1, a sealing strip I10-1, a sealing strip II 10-2, a heat preservation layer 11, an expansion joint 12, an outer frame cooling water channel 13-1, an inner frame cooling water channel 13-2, a door plate cooling water channel 13-3, a top cooling water channel 13-4 and a temperature sensor 14.
Detailed Description
The preferred embodiments of the present utility model will be described with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.
Example 1
As shown in fig. 1, the high-temperature hot air circulating oven for reducing heat overflow comprises an inner box body 1, an outer frame 2, a plurality of groups of circulating fans 3, a moisture exhausting fan 4, a fresh air filtering device 5, a heating device 6 and a cooling system 7. Wherein,
as shown in fig. 2-3, the bottom of the inner box body 1 is connected with the bottom of the outer frame 2 through a plurality of supporting frames 7, and a heat insulation gasket 8 is arranged between the supporting frames 7 and the contact surface of the inner box body 1; the two sides of the inner box body 1 are connected with the outer frame 2 through a plurality of connecting plates, the outer door frame of the outer frame 2 is fixedly connected with the inner door frame of the inner box body 1 through welding, the oven door plate 9 is installed on the outer frame 2, the first sealing strip 10-1 is arranged at the installation gap between the oven door plate 9 and the inner door frame of the inner box body 1, the second sealing strip 10-2 is arranged at the installation gap between the oven door plate 9 and the outer door frame of the outer frame 2, the oven door plate 9 is matched and locked with a plurality of locking devices 2-1 on the outer frame 2, and the heat preservation layer 11 is arranged at the installation gap between the outer frame 2 and the inner box body 1. In this embodiment 1, the heat insulating spacer is preferably a microcrystalline heat insulating ceramic sheet; the first sealing strip 10-1 is preferably a ceramic fiber sealing strip, the second sealing strip 10-2 is preferably a silicon rubber sealing strip, the supporting frame 7 is preferably a supporting channel steel, and the number of the supporting frames can be selectively designed according to actual requirements; the oven door panel 9 is hinged to the outer frame 2 by a door hinge assembly 9-1. In the utility model, the drying vehicle
In this embodiment 1, the square tube frame structures of the two sides, the rear face and the top face of the inner box body 1 are reduced, the inner box body 1 is directly welded by adopting the open 310S plates with different wall thicknesses according to the ovens with different models, and the structures of the connecting plate, the expansion joint, the connecting frame 8 and the like are adopted, so that the inner box body 1 is welded and fixed with the outer frame 3 only in the door face direction.
As shown in fig. 1-2, the circulating fan 3, the moisture removing fan 4, the fresh air filtering device 5 and the heating device 6 are all installed on the top surface of the outer frame 2, the heating end of the heating device 6 extends into the inner box 1 through the expansion joint 12, the blowing ports of the plurality of groups of circulating fans 2 respectively extend into the inner box 1 through the expansion joint 12, the air inlet pipeline of the fresh air filtering device 5 is communicated with the inner box 1 through the outer frame 2, and the air suction port of the moisture removing fan 4 extends into the inner box 1 through the expansion joint. In the present embodiment 1, the number of circulating fans 3 is preferably two; the heating device 6 can adopt an electric heating or direct combustion type hot blast stove according to the actual facility conditions of a user; the circulating fan 4 and the moisture exhaust fan 4 are made of 310S materials at the overflow positions.
As shown in fig. 3-4, the cooling system comprises an outer frame cooling water channel 13-1, an inner frame cooling water channel 13-2, a door plate cooling water channel 13-3 and a top cooling water channel 13-4, wherein the outer frame cooling water channel 13-1 is arranged around the periphery of the outer door frame of the outer frame 2, the inner frame cooling water channel 13-2 is arranged around the periphery of the inner door frame of the inner box body 1 and is positioned at the installation position of the sealing strip 10-1, the door plate cooling water channel 13-3 is arranged around the periphery of the inner side surface of the oven door plate 9, the top cooling water channel 13-4 is arranged at the top of the outer frame 2, and the outer frame cooling water channel 13-1, the inner frame cooling water channel 13-2, the door plate cooling water channel 13-3 and the top cooling water channel 13-4 are all connected with a cooling water circulation device (not shown in the drawing).
In this embodiment 1, the inner box 1 adopts the open plate as the inner wall, and forms the reinforcing rib through the open plate hem, replaces the majority of inner frames of the existing inner box (drying chamber), has not only practiced thrift the frame cost under the prerequisite of guaranteeing inner box structural strength, can reduce even avoid the welding of inner box inner wall and inner frame in addition, thereby reduce the inner wall unevenness that panel and tubular product flexible deformation caused under high temperature.
In the embodiment 1, the air regulating plates 1-1 are arranged on two sides of the inner box body, a circulating air channel is formed in the inner box body 1, and the distribution uniformity of the circulating air in the inner box body is regulated by regulating the opening of the air regulating plates, so that the uniform heating is realized.
In this embodiment 1, a plurality of temperature sensors (e.g., thermocouples) are installed on the outer frame of the high-temperature oven, for monitoring the temperature conditions in the inner box in real time, preventing phenomena such as dry burning or temperature runaway, and the distribution positions thereof can be designed according to actual requirements.
The specific design principle of this embodiment 1 is as follows:
(1) According to the utility model, the inner box body 1 of the high-temperature oven is not in direct contact with the bottom of the outer frame 2, but is connected through the plurality of support frames 7, and the heat insulation gasket 8 is arranged between the support frames 7 and the bottom of the inner box body 1, so that the heat insulation gasket 8 can effectively prevent heat from being transferred to the bottom, the temperature of the bottom plate of the oven is not higher than 60 ℃, and the protection of a workshop terrace of a user is facilitated. In addition, the inner box body 1 and the outer frame 2 of the high-temperature oven are only in a door face direction and are connected through welding, two sides of the inner box body 1 are fixed with the outer frame 2 through a plurality of groups of connecting plates (irregular plates, preferably 8 groups) by using bolts, so that the requirement of limiting the relative displacement of the inner box body 1 and the outer frame 2 can be met, and the thermal expansion of the inner frame 1 to two sides and the rear at high temperature can not be influenced; the top of the inner box body 1 and the top of the outer frame 2 are connected through expansion joints, so that the inner box body 1 can thermally expand upwards.
(2) In the utility model, the inner frame cooling water channel 13-2 is positioned at the installation position of the first sealing strip 10-1, the outer frame cooling water channel 13-2 and the door plate cooling water channel 13-3 are close to the installation position of the second sealing strip 10-2, so that the cooling effect can be achieved on the use environment of the first sealing strip 10-1 and the second sealing strip 10-2, and the service lives of the first sealing strip 10-1 and the second sealing strip 10-2 can be prolonged. In addition, the cooling stage of the inner frame cooling water channel 13-2 after the drying is finished can effectively shorten the cooling time in the inner box body, thereby shortening the time of the whole production flow; the outer frame cooling water channel 13-2 and the door plate cooling water channel 13-3 can ensure that the outer box body temperature in the direction of the door plate of the oven is not higher than (ambient temperature +15 ℃), and particularly for users with partial partition wall installation, the influence of the high-temperature oven on the temperature of a production workshop can be effectively reduced.
(3) In the utility model, the heating device 6, the wet exhausting fan 4 and the circulating fan 3 are generally arranged at the top of the high-temperature oven, so that the heat quantity transmitted from the top of the high-temperature oven is far higher than that of other 5 surfaces, therefore, the top cooling water channel 13-4 is additionally arranged at the top of the outer frame, the heat quantity radiated from the heating device 6, the circulating fan 3 and the wet exhausting fan 4 is taken away by circulating cooling water, the heat quantity scattered from the high-temperature oven to the working environment is reduced, and the influence on the use environment of the high-temperature oven is reduced.
The high-temperature oven structure prepared in the embodiment 1 has wide application range, can be suitable for high-temperature baking, stress removal, solidification, shaping, paint film drying, secondary vulcanization, preheating and aging in the fields of electronics, motors, communication, electroplating, plastics, rubber, hardware, chemical industry, printing, spraying, glass, ceramics and the like, and can also be used as a reaction furnace for certain materials which need to react at a specific high temperature in a heat preservation mode.
The foregoing is only a preferred embodiment of the utility model, it being noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present utility model, and such modifications and adaptations are intended to be comprehended within the scope of the utility model.
Claims (8)
1. The utility model provides a reduce hot-blast circulation oven that heat overflows, its characterized in that includes interior box, outer frame, a plurality of group circulating fan, wet fan, new trend filter equipment and heating device, wherein, the bottom of interior box through a plurality of support frames with the bottom of outer frame is connected, a plurality of group circulating fan, wet fan, new trend filter equipment and heating device are all installed on the top surface of outer frame, heating device's heating end passes the expansion joint and extends to in the interior box, a plurality of group circulating fan's blast gate passes the expansion joint respectively and extends to in the interior box, new trend filter equipment's air intake pipeline pass outer frame with interior box intercommunication, wet fan's exhaust vent passes the expansion joint and extends to in the interior box.
2. The hot-blast circulation oven for reducing thermal runaway according to claim 1, wherein a heat-insulating gasket is arranged between the contact surfaces of the supporting frame and the inner box body.
3. The high-temperature hot air circulating oven for reducing heat spill according to claim 1, wherein two sides of the inner oven body are connected with the outer frame through a plurality of connecting plates, an outer door frame of the outer frame is fixedly connected with an inner door frame of the inner oven body, an oven door plate is mounted on the outer frame, a first sealing strip is arranged at a mounting gap between the oven door plate and the inner door frame of the inner oven body, and a second sealing strip is arranged at a mounting gap between the oven door plate and the outer door frame of the outer frame.
4. A hot-air circulation oven for reducing thermal runaway as claimed in claim 3, wherein said oven door panel is cooperatively locked with a plurality of locking means on said outer frame.
5. The high-temperature hot-air circulation oven for reducing thermal runaway according to claim 3 or 4, further comprising a cooling system including an outer frame cooling water channel, an inner frame cooling water channel, a door panel cooling water channel and a top cooling water channel, wherein the outer frame cooling water channel is arranged around the periphery of an outer door frame of the outer frame, the inner frame cooling water channel is arranged around the periphery of an inner door frame of the inner box and is positioned at the mounting position of the sealing strip, the door panel cooling water channel is arranged around the periphery of the inner side surface of the oven door panel, the top cooling water channel is arranged at the top of the outer frame, and the outer frame cooling water channel, the inner frame cooling water channel, the door panel cooling water channel and the top cooling water channel are all connected with a cooling water circulation device.
6. The hot air circulation oven for reducing heat dissipation according to any one of claims 1 to 4, wherein heat preservation layers are arranged at installation gaps between the outer frame and the inner box.
7. The hot-blast circulation oven for reducing heat dissipation according to any one of claims 1 to 4, wherein the inner case adopts a cut-out plate as an inner wall and the reinforcing ribs are formed by folding the cut-out plate.
8. The hot air circulation oven for reducing heat dissipation according to any one of claims 1 to 4, wherein air regulating plates are arranged on both sides of the inner box body for regulating uniformity of circulating air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322302737.6U CN220670127U (en) | 2023-08-28 | 2023-08-28 | High-temperature hot air circulation oven capable of reducing heat overflow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322302737.6U CN220670127U (en) | 2023-08-28 | 2023-08-28 | High-temperature hot air circulation oven capable of reducing heat overflow |
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| Publication Number | Publication Date |
|---|---|
| CN220670127U true CN220670127U (en) | 2024-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322302737.6U Active CN220670127U (en) | 2023-08-28 | 2023-08-28 | High-temperature hot air circulation oven capable of reducing heat overflow |
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| Country | Link |
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| CN (1) | CN220670127U (en) |
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2023
- 2023-08-28 CN CN202322302737.6U patent/CN220670127U/en active Active
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