CN212696238U - Water-cooled high-temperature electromagnetic heating device - Google Patents
Water-cooled high-temperature electromagnetic heating device Download PDFInfo
- Publication number
- CN212696238U CN212696238U CN202020904186.4U CN202020904186U CN212696238U CN 212696238 U CN212696238 U CN 212696238U CN 202020904186 U CN202020904186 U CN 202020904186U CN 212696238 U CN212696238 U CN 212696238U
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- heating device
- water
- electromagnetic heating
- cylinder
- inner cylinder
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 34
- 239000002184 metal Substances 0.000 claims abstract description 36
- 229910052751 metal Inorganic materials 0.000 claims abstract description 36
- 229910000976 Electrical steel Inorganic materials 0.000 claims abstract description 26
- 238000001816 cooling Methods 0.000 claims abstract description 19
- 230000006698 induction Effects 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 6
- 230000001681 protective effect Effects 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 16
- 239000000110 cooling liquid Substances 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 2
- 230000005674 electromagnetic induction Effects 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
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- General Induction Heating (AREA)
Abstract
The utility model discloses a water-cooled high-temperature electromagnetic heating device, which comprises a metal inner cylinder, wherein the metal inner cylinder comprises a first sub inner cylinder and a second sub inner cylinder; a silicon steel sheet cylinder is sleeved outside the metal inner cylinder; a hollow induction coil is wound outside the silicon steel sheet cylinder; two sides of the hollow induction coil are provided with protective stop blocks; an inner tube supporting body and an inner tube supporting shaft are arranged at two ends of the metal inner tube; and a water cooling device is paved on the silicon steel sheet cylinder. The utility model discloses can cool off for electromagnetic heating device, prolong electromagnetic heating device's life.
Description
Technical Field
The invention relates to an electromagnetic heating device, in particular to a water-cooled high-temperature electromagnetic heating device.
Background
The electromagnetic heating device is a heating device manufactured according to the principle of heating metal by electromagnetic induction; compared with the traditional heat-conducting oil heating device and the electric heating device, the electromagnetic heating device has the advantages of high temperature, good temperature uniformity, easy maintenance, low energy consumption, no pollution and the like.
In the prior art, most electromagnetic induction heating devices work for a long time, the non-working surface of the inner cylinder has long-term high temperature, the upper limit of the working temperature of the outer roller is influenced, the service life is influenced, and a plurality of defects exist in the operation process; therefore, it is an urgent problem to provide a high-temperature electromagnetic heating device with a cooling function.
Disclosure of Invention
In order to solve the problems, the invention provides a water-cooled high-temperature electromagnetic heating device which can cool an electromagnetic heating device, prolongs the service life of the electromagnetic heating device and is more stable in operation.
In order to achieve the purpose, the invention adopts the following technical scheme:
a water-cooled high-temperature electromagnetic heating device comprises a metal inner cylinder, wherein the metal inner cylinder comprises a first sub inner cylinder and a second sub inner cylinder; a silicon steel sheet cylinder is sleeved outside the metal inner cylinder; a hollow induction coil is wound outside the silicon steel sheet cylinder; two sides of the hollow induction coil are provided with protective stop blocks; an inner tube supporting body and an inner tube supporting shaft are arranged at two ends of the metal inner tube; and a water cooling device is paved on the silicon steel sheet cylinder.
In the above water-cooled high-temperature electromagnetic heating device, the water-cooling device includes a cooling pipeline laid on the silicon steel sheet cylinder, and the cooling pipeline is connected to the outside through the inner cylinder support shaft; and cooling liquid is arranged in the cooling pipeline.
In the above water-cooled high-temperature electromagnetic heating device, the silicon steel sheet cylinder is formed by closely arranging strip-shaped silicon steel sheets with arc-shaped surfaces.
In the above water-cooled high-temperature electromagnetic heating device, the inner side of the inner tube support body is provided with a sealing end cover.
In the above water-cooled high-temperature electromagnetic heating device, a sealing structure is disposed between the inner tube support body and the inner tube support shaft.
In the above water-cooled high-temperature electromagnetic heating device, a sealing structure is provided between the metal inner cylinder and the inner tube support.
In the above water-cooled high-temperature electromagnetic heating device, the length direction of the metal inner cylinder and the sealing end cap are provided with through holes; and a hollow metal pipe for accommodating the hollow induction coil to pass through is arranged in the through hole.
By adopting the technical scheme, the following beneficial effects can be achieved:
the invention can effectively cool the inner cylinder, so that the inner cavity temperature of the metal inner tube is low, the working stability is good, and the metal inner tube can conveniently and reliably run under the condition of improving the working temperature of the outer roller.
Drawings
Fig. 1 is a schematic structural diagram of a water-cooled high-temperature electromagnetic heating device according to the present invention.
FIG. 2 is a schematic structural diagram of the metal inner cylinder of the present invention.
Detailed Description
The invention is further described with reference to the following drawings and specific examples, which are not intended to be limiting.
As shown in fig. 1 and 2, a water-cooled high-temperature electromagnetic heating device includes a metal inner cylinder, which includes a first sub-inner cylinder 2 and a second sub-inner cylinder 3; a silicon steel sheet cylinder 4 is sleeved outside the metal inner cylinder; a hollow induction coil 5 is wound outside the silicon steel sheet cylinder 4; two sides of the hollow induction coil 5 are provided with protective stop blocks 10; an inner tube support body 12 and an inner tube support shaft 11 are arranged at the two ends of the metal inner tube; a water cooling device is laid on the silicon steel sheet cylinder 4; specifically, the water cooling device comprises a cooling pipeline 16 laid on the silicon steel sheet cylinder 4, and the cooling pipeline 16 is connected with the outside through an inner cylinder supporting shaft 11; the cooling pipe 16 contains a cooling liquid.
The metal inner cylinder of the invention is composed of a plurality of layers of sub-inner cylinders, the inner cylinder layering can effectively reduce the heating of the inner cylinder caused by the penetration of alternating magnetic induction lines, and meanwhile, the cooling pipeline 16 is arranged, so that the temperature of the inner cavity of the metal inner cylinder can be effectively reduced, the metal inner cylinder works stably, and the metal inner cylinder can conveniently and reliably run under the condition of improving the working temperature of the outer roller.
In the preferred embodiment of the present invention, the silicon steel sheet cylinder 4 is formed by closely arranging strip-shaped silicon steel sheets with arc-shaped surfaces, and the strip-shaped silicon steel sheets are formed into a cylinder shape, so as to ensure that the distance between the magnetic field generated by the induction coil and the body to be induced is close; the invention preferably selects the silicon steel sheet rolled in a certain direction, so that the eddy current of the iron core of the induction coil can be reduced.
In a preferred embodiment of the present invention, a sealing end cap 1 is arranged on the inner side of the inner tube support body 12, a cooling liquid inlet and outlet 15 is arranged on the sealing end cap 1, and the cooling liquid inlet and outlet 15 is connected with a cooling pipeline 16; a sealing structure 13 is arranged between the inner tube supporting body 12 and the inner tube supporting shaft 11; a sealing structure 13 is arranged between the metal inner cylinder and the inner tube supporting body 12.
In the preferred embodiment of the invention, the length direction of the metal inner cylinder and the sealing end cover are provided with through holes 6; a hollow metal tube 9 for accommodating the hollow induction coil 5 to pass through is arranged in the through hole 6, and specifically, the position of the through hole 6 comprises a corresponding part of the first sub-inner cylinder 2, a corresponding part of the second sub-inner cylinder 3, a corresponding part of the silicon steel sheet cylinder 4 and a corresponding part on the sealing end cover 1; a hollow metal pipe 9 is arranged between the inner cylinder through hole and the sealing end cover 1 through hole; the hollow metal tube 9 prevents the hollow lead from directly contacting the cooling liquid; the power supply connecting wire of the induction coil 5 passes through the through hole of the silicon steel sheet cylinder 4 and the through hole of the metal inner tube, and passes through the metal inner tube to the inner hole of the sealing end cover 1 and passes through.
In the preferred embodiment of the present invention, the induction coil 5 is a hollow wire, and a cooling liquid can be passed through the hollow wire to cool not only the wire but also the silicon steel sheet cylinder 4 in contact with the wire.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.
Claims (7)
1. The utility model provides a water-cooled high temperature electromagnetic heating device which characterized in that: the device comprises a metal inner cylinder, wherein the metal inner cylinder comprises a first sub inner cylinder and a second sub inner cylinder; a silicon steel sheet cylinder is sleeved outside the metal inner cylinder; a hollow induction coil is wound outside the silicon steel sheet cylinder; two sides of the hollow induction coil are provided with protective stop blocks; an inner tube supporting body and an inner tube supporting shaft are arranged at two ends of the metal inner tube; and a water cooling device is paved on the silicon steel sheet cylinder.
2. The water-cooled high-temperature electromagnetic heating device according to claim 1, characterized in that: the water cooling device comprises a cooling pipeline laid on the silicon steel sheet cylinder, and the cooling pipeline is connected with the outside through the inner cylinder supporting shaft; and cooling liquid is arranged in the cooling pipeline.
3. The water-cooled high-temperature electromagnetic heating device according to claim 1, characterized in that: the silicon steel sheet cylinder is formed by closely arranging long-strip silicon steel sheets with arc-shaped surfaces.
4. The water-cooled high-temperature electromagnetic heating device according to claim 1, characterized in that: and a sealing end cover is arranged on the inner side of the inner pipe supporting body.
5. The water-cooled high-temperature electromagnetic heating device according to claim 1, characterized in that: and a sealing structure is arranged between the inner tube supporting body and the inner tube supporting shaft.
6. The water-cooled high-temperature electromagnetic heating device according to claim 1, characterized in that: and a sealing structure is arranged between the metal inner cylinder and the inner tube supporting body.
7. The water-cooled high-temperature electromagnetic heating device according to claim 4, characterized in that: through holes are formed in the length direction of the metal inner cylinder and the sealing end cover; and a hollow metal pipe for accommodating the hollow induction coil to pass through is arranged in the through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020904186.4U CN212696238U (en) | 2020-05-26 | 2020-05-26 | Water-cooled high-temperature electromagnetic heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020904186.4U CN212696238U (en) | 2020-05-26 | 2020-05-26 | Water-cooled high-temperature electromagnetic heating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212696238U true CN212696238U (en) | 2021-03-12 |
Family
ID=74888907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020904186.4U Ceased CN212696238U (en) | 2020-05-26 | 2020-05-26 | Water-cooled high-temperature electromagnetic heating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212696238U (en) |
-
2020
- 2020-05-26 CN CN202020904186.4U patent/CN212696238U/en not_active Ceased
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20230328 Decision number of declaring invalidation: 561003 Granted publication date: 20210312 |
|
| IW01 | Full invalidation of patent right |