CN109819538B - Heating radiation cooling device - Google Patents
Heating radiation cooling device Download PDFInfo
- Publication number
- CN109819538B CN109819538B CN201910030227.3A CN201910030227A CN109819538B CN 109819538 B CN109819538 B CN 109819538B CN 201910030227 A CN201910030227 A CN 201910030227A CN 109819538 B CN109819538 B CN 109819538B
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- sleeve
- heating
- heat
- fixing
- heating structure
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 83
- 238000001816 cooling Methods 0.000 title claims abstract description 32
- 230000005855 radiation Effects 0.000 title claims abstract description 8
- 239000004020 conductor Substances 0.000 claims description 15
- 238000007599 discharging Methods 0.000 claims description 5
- 229910052593 corundum Inorganic materials 0.000 claims description 4
- 239000010431 corundum Substances 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
Abstract
The invention discloses a heating radiation cooling device, which comprises a sleeve; the heating structure is arranged in the sleeve; the fixed structure is used for positioning the heating structure; and the cooling component is used for introducing gas into the sleeve, and then the gas introduced into the sleeve carries heat in the sleeve and is discharged out of the sleeve. According to the invention, the cooling component is arranged, so that the heating structure is rapidly cooled, the heating structure is effectively protected, and the service life of the heating structure is prolonged; and the furnace body 1 is not required to be perforated, so that the number of holes in the furnace body is reduced, the heat leakage in the furnace body is reduced, and the heat utilization rate of the furnace body is improved.
Description
Technical Field
The invention belongs to the technical field of combustion equipment, and particularly relates to a heating radiation cooling device.
Background
The radiant tube is a common heating device, and is usually heated by electric energy or high-quality gas when in use, and is widely applied to the industries of metallurgy, medicine, food and the like; the existing electric radiant tube is installed in the furnace body, generates heat in the sleeve under the condition of electrifying, and then transfers the heat out through the outer wall of the sleeve to heat the furnace body.
After the heating of the existing furnace body is finished, the interior of the furnace body is required to be cooled, the existing cooling mode is to assemble a pipeline for air flow in the furnace body, heat in the furnace body is transferred to the air in the pipeline to heat the air, the heated air can continuously move out of the furnace body along the pipeline, so that the effect of cooling the interior of the furnace body and the interior of the radiant tube is achieved, but because the air circularly flows in the pipeline, holes are required to be formed in the furnace body for the pipeline for conveying the air to be assembled in the furnace body when the pipeline is assembled, the holes can cause the heat in the furnace body to overflow out of the furnace body through the holes when the furnace body works, the heating efficiency of the furnace body can be reduced, and the consumption of energy sources is increased under the same heating effect; and also because the air absorbs the heat in the furnace body, the heating wire in the radiant tube is slowly absorbed, so that the cooling rate of the heating wire is slow, and the service life of the heating wire is short because the heating wire is in a high-temperature state for a long time.
Disclosure of Invention
The invention provides a heating radiation cooling device for improving the heat utilization rate in order to overcome the defects of the prior art.
In order to achieve the above purpose, the present invention adopts the following technical scheme: a heating radiation cooling device comprises
A sleeve;
The heating structure is arranged in the sleeve;
A fixing structure for fixing the heating structure;
And the cooling component is used for introducing a medium for cooling into the sleeve, and then discharging the medium introduced into the sleeve to the outside of the sleeve with the heat of the sleeve.
The invention is provided with the cooling component, the medium (such as gas) for cooling is directly introduced into the sleeve, and the medium can be in rapid contact with the heating structure, so that the medium entering the sleeve is rapidly heated and then discharged outside the sleeve; the process realizes the rapid cooling of the heating structure, so that the heating structure is prevented from being aged at a high temperature for a long time after the temperature of the heating structure is reduced, the heating structure is protected, and the service life of the heating structure is prolonged; the medium for cooling directly enters the sleeve, and the first pipeline and the second pipeline are installed at the same time when the radiant tube is installed, so that compared with the traditional method of punching holes on the furnace body to introduce pipelines for conveying cold air, the cooling effect is good, the holes on the furnace body are not needed, and the furnace body is easy to process; but also can reduce the heat leakage in the furnace body, and improve the heat utilization rate of the furnace body.
Preferably, the cooling part comprises a first pipe body for feeding medium into the sleeve and a second pipe body for discharging the medium in the sleeve to the outside of the sleeve; by arranging the first pipe body and the second pipe body, when the heating structure in the sleeve is cooled, air flowing in the first pipe can directly impact the heating structure in the sleeve, so that energy exchange is carried out with the heating structure in the sleeve quickly; and because set up the second body after, its heat can the diameter outwards be discharged through the second body to realize cooling down to the sleeve pipe is inside, this cooling mode is cooled down from the heat source, and its cooling effect is good, avoids the heat on the heat source to last to provide the heat to the furnace body inside again.
Preferably, the pipe diameter of the first pipe body is smaller than that of the second pipe body; through the pipe diameter setting with first body be less than the second body pipe diameter, it is when sending into the sleeve pipe with gas, send into the velocity of flow of gas fast, consequently the impact of gas to heating structure is strong, consequently with heating structure contact speed is fast, it can take away the heat on the heating structure fast, thereby realize quick heat transfer, and the pipe diameter of second body is big, then can be when accomplishing the gas exhaust of heat transfer, the speed slows down, it can avoid gas high-speed discharge and strike staff or other equipment, the stability and the security of whole furnace body in the cooling period improve.
Preferably, the heating structure further comprises an electric conductor for supplying power to the heating structure, and the electric conductor is at least partially arranged outside the sleeve; the heating structure can be conveniently electrified by arranging the electric conductor, so that the heating structure generates heat in the sleeve, and the radiant tube generates heat.
Preferably, the sleeve is detachably connected with a flange body for fixing the first pipe body and the second pipe body; the flange body is arranged to block the lower part of the sleeve on one hand, so that heat dissipation from the lower part is reduced, the heat utilization rate is improved, the flange body is arranged to fix the inlet pipe and the second pipe, the inlet pipe and the second pipe cannot deviate when gas is fed into the sleeve, and the stability of the working period of the inlet pipe and the second pipe is improved.
Preferably, the heat insulation sleeve further comprises a heat insulation layer arranged in the sleeve; the heat preservation layer is arranged to preserve heat of the heating wire at the lower part of the radiant tube, heat dissipation is reduced, heat is guaranteed to be intensively dissipated, and therefore the radiant tube has a good heating effect on the inside of the furnace body, and heat utilization rate is high.
Preferably, the heating structure comprises a first heating body arranged at one end of the sleeve and a second heating body connected with the first heating body, and the electric conductor is connected with the second heating body.
Preferably, the fixing structure comprises a first fixing piece for fixing the first heating body and a second fixing piece for fixing the second heating body, and the first fixing piece and the second fixing piece are both arranged in the sleeve; the first fixing piece and the second fixing piece are arranged to fix the heating structure, so that the interval between the first heating bodies is ensured to be constant, the interval between the first heating bodies and the sleeve is ensured to be constant, the heat transferred to the sleeve by the first heating bodies is kept constant, the heat emitted by the sleeve is ensured to be uniform, and the inside of the furnace body is heated uniformly; and the second fixing piece is arranged away from the first heating body, so that the fixing effect of the first fixing piece on the first heating body is improved.
Preferably, the first fixing piece is a corundum flange; the first fixing piece is set to be the corundum flange, the heat resistance is good, deformation can not occur at high temperature, and the effect of the whole fixing process can be guaranteed.
In summary, the cooling component is arranged, so that the heating structure is quickly cooled, the heating structure is effectively protected, and the service life of the heating structure is prolonged; and the furnace body is not required to be perforated, so that the number of holes in the furnace body is reduced, the heat leakage in the furnace body is reduced, and the heat utilization rate of the furnace body is improved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the second embodiment of the present invention.
Detailed Description
In order to enable those skilled in the art to better understand the present invention, the following description will make clear and complete descriptions of the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1-2, a heating radiation cooling device comprises a sleeve 1, a heating structure 2, a fixing structure and a cooling part 4, wherein the sleeve 1 is a metal pipe with a closed upper end and an open lower end; the heating structure 2 comprises a first heating body 21 and a second heating body 22, the first heating body 21 is a bent resistance wire, the second heating body 22 is a straight resistance wire, the first heating body 21 and the second heating body 22 are connected, meanwhile, the heating structure 2 is arranged in the sleeve 1, two electric conductors 5 are arranged on the sleeve 1, the electric conductors 5 can be copper columns, and one end of each electric conductor 5 extends out of the sleeve 1, and the other end of each electric conductor is connected with the second heating body 22; and one of the two conductors 5 is connected with a live wire and the other conductor is connected with a zero wire.
Further, the fixing structure is used for positioning and fixing the heating structure 3, specifically, the fixing structure includes a plurality of first fixing members 31 and second fixing members 32, the first fixing members 31 are corundum flanges, a plurality of holes are formed in the first fixing members 32, the first heating body 21 passes through the holes, and the edges of the first fixing members 31 are in contact with the inner wall of the sleeve 1, so that the first fixing members 31 fix the first heating body 21; the second fixing piece 32 is a wire-laying refractory piece, the second fixing piece 32 is also provided with three through holes, and the second fixing piece 32 is used for fixing the second heating body 32.
Specifically, the cooling component 4 is used for introducing a medium (the medium is gas) into the sleeve; and the heat in the sleeve 1 is discharged from the sleeve 1 to the outside of the sleeve 1; the cooling component 4 comprises a first pipe body 41 for feeding gas into the sleeve 1 and a second pipe body 42 for discharging the gas in the sleeve 1 to the outside of the sleeve 1, wherein part of the first pipe body 41 penetrates into the sleeve 1, and the other part is positioned outside the sleeve 1; the gas is blown through the first tube 41 onto the heating structure; the second pipe body 42 is also a metal pipe, and the pipe diameter of the second pipe body 42 is larger than that of the first pipe body, the gas injected from the first pipe body 41 is discharged from the sleeve through the second pipe body 42, and the first and second pipe bodies pass through the second fixing member 32, so as to be fixed on the second fixing member 32; meanwhile, a supporting framework is also arranged in the sleeve 1, and the supporting framework is a refractory plate.
In order to better fix the first tube 41, the second tube 42 and the electric conductor 5, a flange 11 is connected to one end of the sleeve 1 through screws, the flange 11 is a metal flange, the electric conductor 5, the first tube 41 and the second tube 42 all penetrate out of the flange 11, a sealing element 110 is arranged on the flange 11, the sealing element 110 is a rubber ring, and the sealing element 110 is sleeved on the first tube and the second tube; a heat-insulating layer 12 is wrapped in the sleeve 1, and the heat-insulating layer 12 can be made of heat-resistant heat-insulating materials, such as ceramic fiber blankets, and other materials can be used as heat-insulating materials; meanwhile, a layer of ceramic fiber blanket is also arranged outside the sleeve 1 for heat preservation.
It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
Claims (1)
1. A heating radiation cooling device, characterized in that: comprising
A sleeve (1);
the heating structure is arranged in the sleeve (1);
A fixing structure for fixing the heating structure;
A cooling component (4) for introducing a medium for cooling into the sleeve (1), and then discharging the medium introduced into the sleeve (1) to the outside of the sleeve (1) with heat in the sleeve (1);
The cooling component (4) comprises a first pipe body (41) for feeding medium into the sleeve (1) and a second pipe body (42) for discharging the medium in the sleeve (1) to the outside of the sleeve (1);
the pipe diameter of the first pipe body (41) is smaller than that of the second pipe body (42);
the heating structure further comprises an electric conductor (5) for supplying power to the heating structure, and the electric conductor (5) is at least partially arranged outside the sleeve (1);
The sleeve (1) is detachably connected with a flange body (11) for fixing the first pipe body (41) and the second pipe body (42);
The heat insulation sleeve also comprises a heat insulation layer (12) arranged in the sleeve (1);
the heating structure comprises a first heating body (21) arranged at one end of the sleeve (1) and a second heating body (22) connected with the first heating body (21), and the electric conductor (5) is connected with the second heating body (22);
The fixing structure comprises a first fixing piece (31) for fixing the first heating body (21) and a second fixing piece (32) for fixing the second heating body (22), and the first fixing piece and the second fixing piece are both arranged in the sleeve (1);
the first fixing piece (31) is a corundum flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910030227.3A CN109819538B (en) | 2019-01-14 | 2019-01-14 | Heating radiation cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910030227.3A CN109819538B (en) | 2019-01-14 | 2019-01-14 | Heating radiation cooling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109819538A CN109819538A (en) | 2019-05-28 |
| CN109819538B true CN109819538B (en) | 2024-05-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910030227.3A Active CN109819538B (en) | 2019-01-14 | 2019-01-14 | Heating radiation cooling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109819538B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007321204A (en) * | 2006-06-01 | 2007-12-13 | Nippon Steel Corp | Heat-treatment facility for which heating and cooling are used in combination |
| CN102135376A (en) * | 2010-01-26 | 2011-07-27 | 蒋明学 | Stepped furnace |
| CN202643764U (en) * | 2012-06-18 | 2013-01-02 | 武汉钢铁(集团)公司 | Rotatable type I sleeve type radiant tube |
| CN106495509A (en) * | 2016-11-02 | 2017-03-15 | 赵升智 | Radial canal limestone shaft furnace |
| CN206260096U (en) * | 2016-12-06 | 2017-06-16 | 江苏华海冶金机械设备有限公司 | Energy-saving electrical radiant tube heater |
| CN107084391A (en) * | 2017-06-08 | 2017-08-22 | 中冶京诚(扬州)冶金科技产业有限公司 | A kind of air preheating type radiant tube burner |
| CN108913859A (en) * | 2018-07-03 | 2018-11-30 | 苏州中门子工业炉科技有限公司 | The application of DX atmosphere heat treatment furnace and high temperature alloy steel, high-carbon steel heat treatment |
-
2019
- 2019-01-14 CN CN201910030227.3A patent/CN109819538B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007321204A (en) * | 2006-06-01 | 2007-12-13 | Nippon Steel Corp | Heat-treatment facility for which heating and cooling are used in combination |
| CN102135376A (en) * | 2010-01-26 | 2011-07-27 | 蒋明学 | Stepped furnace |
| CN202643764U (en) * | 2012-06-18 | 2013-01-02 | 武汉钢铁(集团)公司 | Rotatable type I sleeve type radiant tube |
| CN106495509A (en) * | 2016-11-02 | 2017-03-15 | 赵升智 | Radial canal limestone shaft furnace |
| CN206260096U (en) * | 2016-12-06 | 2017-06-16 | 江苏华海冶金机械设备有限公司 | Energy-saving electrical radiant tube heater |
| CN107084391A (en) * | 2017-06-08 | 2017-08-22 | 中冶京诚(扬州)冶金科技产业有限公司 | A kind of air preheating type radiant tube burner |
| CN108913859A (en) * | 2018-07-03 | 2018-11-30 | 苏州中门子工业炉科技有限公司 | The application of DX atmosphere heat treatment furnace and high temperature alloy steel, high-carbon steel heat treatment |
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| Publication number | Publication date |
|---|---|
| CN109819538A (en) | 2019-05-28 |
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