CN112333867B - High-temperature high-pressure induction heating device - Google Patents
High-temperature high-pressure induction heating device Download PDFInfo
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- CN112333867B CN112333867B CN202011191945.8A CN202011191945A CN112333867B CN 112333867 B CN112333867 B CN 112333867B CN 202011191945 A CN202011191945 A CN 202011191945A CN 112333867 B CN112333867 B CN 112333867B
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- pressure
- heat insulation
- induction heating
- inner sleeve
- pressure tank
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 87
- 230000006698 induction Effects 0.000 title claims abstract description 45
- 238000009413 insulation Methods 0.000 claims abstract description 51
- 239000000463 material Substances 0.000 claims abstract description 13
- 239000002184 metal Substances 0.000 claims abstract description 8
- 229910052751 metal Inorganic materials 0.000 claims abstract description 8
- 239000000945 filler Substances 0.000 claims description 9
- 239000000498 cooling water Substances 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000003647 oxidation Effects 0.000 abstract description 3
- 238000007254 oxidation reaction Methods 0.000 abstract description 3
- 238000011086 high cleaning Methods 0.000 abstract 1
- 210000003739 neck Anatomy 0.000 description 6
- 230000003749 cleanliness Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 230000003064 anti-oxidating effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002500 effect on skin Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000000391 smoking effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/36—Coil arrangements
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Induction Heating (AREA)
Abstract
The invention discloses a high-temperature high-pressure induction heating device which comprises a high-pressure tank, a heat insulation inner sleeve, a solenoid, a heating rod, a heat insulation block, a high-pressure tank cover plate, a metal ring, an insulating pad, an insulating ring and a fastener. According to the high-temperature high-pressure heating device, the high temperature of the central heating rod is realized through an induction heating technology, and meanwhile, gas is introduced into the device, so that the high-pressure state of more than MPa in the device is realized. The invention has the characteristics of high heating temperature, high cleaning efficiency, good controllability of a heating area, high pressure resistance grade of the device and the like, and can be used for researching the mechanical properties of materials at high temperature and high pressure, the chemical reaction characteristics of oxidation resistance and the like of the materials.
Description
Technical Field
The invention relates to a high-temperature high-pressure induction heating device, and belongs to the technical field of induction heating.
Background
Compared with resistance heating, fuel oil heating and gas heating, the induction heating technology has the advantages of high efficiency, energy saving, environmental protection (no exhaust emission), safety (no open fire or explosion risk), high heating speed, high controllability and the like, and is widely applied to the aspects of metal heat treatment, diathermy, smelting, welding and the like.
The energy source of induction heating is a power supply, and the electric energy has the characteristics of low cost, convenience, cleanness and the like, and is easy to realize high power density and high efficiency. In addition, the energy transmission of induction heating is performed in the form of electromagnetic waves, so that the induction heating is little disturbed by the outside and the heating efficiency is high. Because the heat energy of induction heating is directly generated in the workpiece, the heat loss is less, so that the efficiency is very high, and can reach about 80 percent generally; meanwhile, the induction heating directly realizes the intermediate process of material heat penetration, so the heating speed is very high. In the aspect of control, induction heating mainly controls heating power and frequency, and the parameters can be conveniently converted into electric signals and are interfaced with a microcomputer, so that automation of a heating process is easy to realize, and because of skin effect, accurate control of heating depth can be realized by controlling heating frequency, which cannot be realized by a conventional heating mode. The induction heating adopts a non-contact heating mode, and other impurities are not doped in the process of heating the material. In addition, researchers have done a lot of work in equipment protection for many years, for example, over-current protection and water-break protection are performed on a power supply, and protection measures such as electromagnetic shielding are adopted on surrounding sensitive facilities, so that the safety of the equipment is high. The induction heating has the advantages of cleanness, small noise, less heat radiation to the surrounding environment, and the like. For example, in the heat treatment of metal materials, the condition of smoking and baking of workers in the traditional heat treatment industry is completely changed.
Disclosure of Invention
The purpose of the invention is that: in order to overcome the defects in the prior art, the invention provides the high-temperature high-pressure induction heating device, wherein the material to be checked can be heated to a very high temperature (more than 2000K) in an induction heating mode, and meanwhile, the mechanical property, the antioxidation and other performances of the material can be checked in the device for maintaining the pressure (more than 10 MPa) for a plurality of hours.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
A high-temperature high-pressure induction heating device comprises a high-pressure tank, a heat insulation inner sleeve, a solenoid, a heating rod, a heat insulation block, a high-pressure tank cover plate, a metal ring, an insulating pad, an insulating ring and a fastener,
The heat insulation inner sleeve is of an annular cylindrical structure with one end open and one end closed, and a central circular groove and a plurality of gas channels uniformly distributed along the axial direction are arranged in the closed end of the heat insulation inner sleeve;
The solenoid is fixed with the heat insulation inner sleeve through pouring, so that an inductance coil of the solenoid is positioned in an annular cylinder of the heat insulation inner sleeve, and a central shaft of the coil is overlapped with a central shaft of the heat insulation inner sleeve to form a whole;
the heat insulation inner sleeve and the high-pressure tank are coaxially arranged together, and the outer diameter of the heat insulation inner sleeve is equal to the inner diameter of the high-pressure tank;
The heating rod is coaxially arranged at the central shaft inside the high-pressure tank, one end of the heating rod is fixed in the central circular groove of the heat insulation inner sleeve, and the other end of the heating rod is fixed with the high-pressure tank cover plate through the heat insulation block;
The high-pressure tank cover plate and the high-pressure tank are connected together through a flange; the high-pressure tank cover plate is provided with two solenoid mounting holes, a central air inlet hole, an air inlet filler neck, an air outlet and a cooling water inlet and outlet filler neck.
Furthermore, the heat insulation inner sleeve is an annular cylinder which is made of a low heat conduction coefficient material, is provided with an opening at one end and is provided with a closed end, the heat conduction coefficient is less than or equal to 0.12W/(m.K), and the inner diameter of the hollow part of the heat insulation inner sleeve is required to be larger than the outer diameter of the heating rod.
Further, the number of turns of the induction coil part of the solenoid is turns, the whole solenoid is a copper pipe with hollow inside, and circulating cooling water is circulated in the whole solenoid.
Further, the heat insulation block is provided with a plurality of evenly distributed air inlet channels.
Further, the high-temperature high-pressure heating device is provided with a temperature measuring device and a pressure measuring device.
Further, an air chamber is formed between the circular groove in the high-pressure tank and the outer boss of the heat insulation inner sleeve.
Furthermore, the two water and electricity connectors of the solenoid are positioned on the same side of the whole high-pressure tank, are fixed and sealed with the high-pressure tank cover plate through metal rings, insulating gaskets, insulating rings and fastening pieces, and realize the insulation between the solenoid and the high-pressure tank and the insulation between the solenoid and the high-pressure pipe cover plate.
Furthermore, the high-pressure high-temperature high-pressure heating device can be realized by adding high-pressure gas into the device in advance or adding gas after induction heating to reach a certain temperature.
Furthermore, the clearance between the solenoid and the high-pressure tank cover plate and the fastener is provided with a heat-shrinkable sleeve with an insulating function.
Furthermore, high-temperature and high-pressure valves are arranged at the upstream of the air inlet filler neck and the downstream of the gas outlet of the high-temperature and high-pressure heating device.
The beneficial effects of the invention are as follows:
The high-temperature high-pressure induction heating device has the characteristics of high heating temperature, cleanliness, high efficiency, good controllability of a heating area, high pressure resistance and the like, can be used for heating bar stocks, and can be used for researching the mechanical properties, oxidation resistance and other chemical reaction characteristics of materials under high-temperature high-pressure environments.
Drawings
FIG. 1 is a schematic diagram of a high temperature and high pressure induction heating apparatus for materials according to the present invention;
FIG. 2 is an enlarged view of a portion of the inner sleeve of the present invention;
FIG. 3 is a schematic view of a solenoid according to the present invention;
fig. 4 is a schematic enlarged view of a portion of the outlet end of a nozzle of a high temperature and high pressure induction heating apparatus for materials according to the present invention.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1 to 4, a high temperature and high pressure induction heating apparatus comprises a high pressure tank 1, a heat insulation inner sleeve 2, a solenoid 3, a heating rod 4, a heat insulation block 5, a high pressure tank cover plate 6, a metal ring 7, an insulating pad 8, an insulating ring 9 and a fastener 10.
The heat insulation inner sleeve 2 is of an annular cylindrical structure with one end open and one end closed, and a central circular groove 2-1 and a plurality of gas channels 2-2 which are uniformly distributed along the axial direction are arranged in the closed end of the heat insulation inner sleeve.
The solenoid 3 is fixed with the heat insulation inner sleeve 2 through pouring, so that an inductance coil of the solenoid 3 is positioned inside an annular cylinder of the heat insulation inner sleeve 2, and a central axis of the coil coincides with a central axis of the heat insulation inner sleeve 2 to form a whole. The heat insulation inner sleeve 2 and the high-pressure tank 1 are coaxially arranged together, and the outer diameter of the heat insulation inner sleeve 2 is equal to the inner diameter of the high-pressure tank 1.
The heating rod 4 is coaxially arranged at the central axis of the inside of the high-pressure tank 1, one end of the heating rod is fixed in the central circular groove 2-1 of the heat insulation inner sleeve 2, and the other end of the heating rod is fixed with the high-pressure tank cover plate 6 through the heat insulation block 5.
The high-pressure tank cover plate 6 and the high-pressure tank 1 are connected together through flanges. The high-pressure tank cover plate 6 is provided with two solenoid mounting holes, a central air inlet hole, an air inlet filler neck 11, a gas outlet 13 and cooling water inlet and outlet filler necks 12 and 14.
The heat insulation inner sleeve 2 is an annular cylinder which is made of a low heat conduction coefficient material, is provided with an opening at one end and is provided with a closed end, the heat conduction coefficient is less than or equal to 0.12W/(m.K), and the inner diameter of the hollow part of the heat insulation inner sleeve 2 is required to be larger than the outer diameter of the heating rod 4.
The number of turns of the induction coil part of the solenoid 3 is 5-9, the whole solenoid is a copper pipe with hollow inside, and circulating cooling water is circulated in the whole solenoid.
The heat insulation block 5 is provided with a plurality of evenly distributed air inlet channels.
The high-temperature high-pressure induction heating device is provided with a temperature measuring device 15 and a pressure measuring device 16.
An air chamber 17 is formed between the circular groove in the high-pressure tank 1 and the outer boss of the heat insulation inner sleeve 2.
The two water and electricity connectors 3-1 and 3-2 of the solenoid 3 are positioned on the same side of the whole high-pressure tank, are fixed and sealed with the high-pressure tank cover plate 6 through a metal ring 7, an insulating pad 8, an insulating ring 9 and a fastening piece 10, and realize the insulation of the solenoid and the high-pressure tank and the high-pressure pipe cover plate.
And heat-shrinkable sleeves 3-3 with an insulating effect are arranged at gaps among the solenoid 3, the high-pressure tank cover plate 6 and the fastening piece 10.
High-temperature and high-pressure valves are arranged on the upstream of the air inlet filler neck 11 and the downstream of the air outlet 13 of the high-temperature and high-pressure induction heating device.
The high-temperature high-pressure induction heating device can be used for introducing high-pressure gas into the device in advance, or introducing gas after induction heating reaches a certain temperature.
The high-temperature high-pressure induction heating device has the characteristics of high heating temperature, cleanliness, high efficiency, good controllability of a heating area, high pressure resistance and the like, can be used for heating bar stocks, and can be used for researching the mechanical properties, oxidation resistance and other chemical reaction characteristics of materials under high-temperature high-pressure environments.
The invention has been described above with reference to specific embodiments thereof, with the accompanying drawings, however, it should be noted that it will be apparent to those skilled in the art that many changes and modifications can be made to the above embodiments without departing from the spirit and scope of the invention, which is defined in the appended claims.
The undisclosed technology is common knowledge to a person skilled in the art.
Claims (10)
1. A high temperature high pressure induction heating device, characterized in that: comprises a high-pressure tank (1), a heat insulation inner sleeve (2), a solenoid (3), a heating rod (4), a heat insulation block (5), a high-pressure tank cover plate (6), a metal ring (7), an insulating pad (8), an insulating ring (9) and a fastener (10),
The heat insulation inner sleeve (2) is of an annular cylindrical structure with an opening at one end and a closed end, and a central circular groove (2-1) and a plurality of gas channels (2-2) which are uniformly distributed along the axial direction are arranged in the closed end of the heat insulation inner sleeve;
The solenoid (3) is fixed with the heat insulation inner sleeve (2) through pouring, so that an inductance coil of the solenoid (3) is positioned inside an annular cylinder of the heat insulation inner sleeve (2), and a central axis of the coil is overlapped with a central axis of the heat insulation inner sleeve (2) to form a whole;
The heat insulation inner sleeve (2) and the high-pressure tank (1) are coaxially arranged together, and the outer diameter of the heat insulation inner sleeve (2) is equal to the inner diameter of the high-pressure tank (1);
The heating rod (4) is coaxially arranged at the inner central shaft of the high-pressure tank (1), one end of the heating rod is fixed in the central circular groove (2-1) of the heat insulation inner sleeve (2), and the other end of the heating rod is fixed with the high-pressure tank cover plate (6) through the heat insulation block (5);
The high-pressure tank cover plate (6) and the high-pressure tank (1) are connected together through a flange; two solenoid mounting holes, a central air inlet hole, an air inlet filler neck (11), an air outlet (13) and a cooling water inlet and outlet filler neck are arranged on the high-pressure tank cover plate (6).
2. A high temperature high pressure induction heating apparatus according to claim 1, characterized in that: the heat insulation inner sleeve (2) is an annular cylinder which is made of a low heat conduction coefficient material, is provided with an opening at one end and is provided with a closed end, the heat conduction coefficient of the annular cylinder is less than or equal to 0.12W/(m.K), and the inner diameter of a hollow part of the heat insulation inner sleeve (2) is larger than the outer diameter of the heating rod (4).
3. A high temperature high pressure induction heating apparatus according to claim 1, characterized in that: the number of turns of the induction coil part of the solenoid (3) is 5-9, the whole solenoid is a copper pipe with hollow inside, and circulating cooling water is communicated inside the whole solenoid.
4. A high temperature high pressure induction heating apparatus according to claim 1, characterized in that: the heat insulation block (5) is provided with a plurality of evenly distributed air inlet channels.
5. A high temperature high pressure induction heating apparatus according to claim 1, characterized in that: the high-temperature high-pressure induction heating device is provided with a temperature measuring device (15) and a pressure measuring device (16).
6. A high temperature high pressure induction heating apparatus according to claim 1, characterized in that: an air chamber (17) is formed between the circular groove in the high-pressure tank (1) and the outer boss of the heat insulation inner sleeve (2).
7. A high temperature high pressure induction heating apparatus according to claim 1, characterized in that: two water and electricity joints of the solenoid (3) are positioned on the same side of the whole high-pressure tank, are fixed and sealed with the high-pressure tank cover plate (6) through a metal ring (7), an insulating pad (8), an insulating ring (9) and a fastener (10), and realize the insulation of the solenoid and the high-pressure tank and the high-pressure pipe cover plate.
8. A high temperature high pressure induction heating apparatus according to claim 1, characterized in that: the high-temperature high-pressure induction heating device can be realized by adding high-pressure gas into the device in advance or introducing gas after induction heating reaches a certain temperature.
9. A high temperature high pressure induction heating apparatus according to claim 1, characterized in that: and heat-shrinkable sleeves (3-3) with an insulating effect are arranged at gaps among the solenoid (3), the high-pressure tank cover plate (6) and the fastening piece (10).
10. A high temperature high pressure induction heating apparatus according to claim 1, characterized in that: high-temperature and high-pressure valves are arranged on the upstream of an air inlet filler neck (11) and the downstream of an air outlet (13) of the high-temperature and high-pressure induction heating device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011191945.8A CN112333867B (en) | 2020-10-30 | 2020-10-30 | High-temperature high-pressure induction heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011191945.8A CN112333867B (en) | 2020-10-30 | 2020-10-30 | High-temperature high-pressure induction heating device |
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| Publication Number | Publication Date |
|---|---|
| CN112333867A CN112333867A (en) | 2021-02-05 |
| CN112333867B true CN112333867B (en) | 2024-08-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011191945.8A Active CN112333867B (en) | 2020-10-30 | 2020-10-30 | High-temperature high-pressure induction heating device |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN214154883U (en) * | 2020-10-30 | 2021-09-07 | 中国航天空气动力技术研究院 | High-temperature high-pressure induction heating device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08155629A (en) * | 1994-12-05 | 1996-06-18 | Toyota Motor Corp | Casting device with induction coil and induction coil |
| CN102176796B (en) * | 2011-02-16 | 2012-11-21 | 大连理工大学 | Non-contact heating method and device for high-temperature material |
| WO2016178046A1 (en) * | 2015-05-05 | 2016-11-10 | Total Sa | Downhole heating device to be introduced in a well bored in an underground formation containing a solid hydrocarbonaceous layer, related installation, and method |
| CN107884435B (en) * | 2017-10-20 | 2020-12-01 | 中国科学院工程热物理研究所 | Device for measuring heat conductivity coefficient of material under high-pressure gas environment |
| CN210075629U (en) * | 2019-06-03 | 2020-02-14 | 山西兴恒和电子科技有限公司 | Novel electromagnetic heating rod |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN214154883U (en) * | 2020-10-30 | 2021-09-07 | 中国航天空气动力技术研究院 | High-temperature high-pressure induction heating device |
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