CN212378487U - Graphite crucible supporting device of horizontal electromagnetic heating furnace - Google Patents
Graphite crucible supporting device of horizontal electromagnetic heating furnace Download PDFInfo
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- CN212378487U CN212378487U CN201922430114.0U CN201922430114U CN212378487U CN 212378487 U CN212378487 U CN 212378487U CN 201922430114 U CN201922430114 U CN 201922430114U CN 212378487 U CN212378487 U CN 212378487U
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Abstract
A graphite crucible supporting device of a horizontal electromagnetic heating furnace comprises a base, wherein a furnace body is horizontally supported on the base, an electromagnetic heating ring is arranged in the furnace body, a hard insulating layer is arranged in the electromagnetic heating ring, a heat insulating layer is also arranged in the hard insulating layer, and a graphite crucible is arranged in the heat insulating layer; the composite supporting device is arranged below the graphite crucible, and the graphite crucible is supported on the hard insulating layer through the composite supporting device, so that the graphite crucible and the insulating layer form a hard supporting structure. The utility model discloses an adopt the composite construction bracing piece to support graphite crucible for graphite crucible forms hard bearing structure in the stove, and can effectively avoid forming electromagnetic circuit again, and form thermal-insulated support section through a plurality of tiny graphite plug and effectively reduced composite construction bracing piece self and generate heat and conduct heat.
Description
Technical Field
The utility model relates to a strutting arrangement of electromagnetism stove, especially a horizontal electromagnetism heating furnace graphite crucible strutting arrangement, the various electromagnetism heating furnace that have graphite crucible as the inner bag of mainly used belongs to electromagnetism heating furnace and part preparation technical field.
Background
The electromagnetic induction heating furnace is one of heating furnaces, an alternating magnetic field is generated by an electromagnetic heating coil, when a graphite crucible is placed in the middle of a heat insulation layer, the surface of a container cuts alternating magnetic lines of force to generate alternating current (namely eddy current) inside the graphite crucible, the eddy current enables carriers of the graphite crucible to move randomly at a high speed, and the carriers collide and rub atoms to generate heat energy. Thereby achieving the effect of heating the article. The heating mode has the characteristics of high efficiency, long service life, safety, reliability, high efficiency, energy conservation, accurate temperature control, good insulativity, improvement of working environment and the like, and the electromagnetic heating coil can not generate heat basically, so that the electromagnetic heating coil has wider and wider application.
In order to further improve the efficiency and prevent the heat of the heated object from being dissipated, the graphite crucible is surrounded by an outer heat-insulating layer in the electromagnetic heating furnace so as to prevent the heat in the furnace from diffusing to the outside of the furnace; however, for the horizontal electromagnetic heating furnace, if the graphite crucible is placed in the middle of the heat insulation layer, when the graphite crucible is heated and products are loaded in the graphite crucible, the heat insulation layer wrapped outside the graphite crucible sinks, and the graphite crucible sinks to cause the unevenness of the graphite crucible, so that the sealing property, the temperature uniformity and the heat insulation performance of the whole furnace are affected, and therefore, how to solve the problem that the graphite crucible sinks in the horizontal electromagnetic heating furnace becomes an important subject which needs to be solved urgently
Through patent search, the same patent literature disclosure as the present patent is not found, and the following documents are relevant to the present patent:
1. the utility model discloses a utility model patent of application number for "CN 201620963376.7", the name is "horizontal graphitizing furnace", discloses a horizontal graphitizing furnace, including interior furnace body, heating mechanism and outer furnace body, interior furnace body from interior to exterior includes reacting chamber, crucible and heat preservation, interior furnace body with heating mechanism sets up inside the outer furnace body, outer furnace body includes furnace body shell and bell, the bell sets up furnace body shell both ends, the crucible sets up in the inner wall of heat preservation, the heat preservation includes stereoplasm carbon felt heat preservation and soft carbon felt heat preservation, the chassis of stereoplasm carbon felt heat preservation is supporting the crucible, interior furnace body both ends are equipped with the heat preservation door.
2. The utility model discloses a utility model patent of application number "CN201620963356. X", the name is "a horizontal square high temperature graphitizing furnace", discloses a horizontal square high temperature graphitizing furnace, including furnace body, bell and vacuum pump, the vacuum pump passes through vacuum pipe and furnace body coupling, the furnace body has fixed connection's base with it. The furnace cover is connected with the furnace body through the cover opening device, an inner supporting platform fixedly connected with the furnace body is arranged in the furnace body, a square induction coil is arranged on the inner supporting platform, two ends of the square induction coil extend out of the furnace body, a square graphite crucible and a graphite supporting cup are arranged inside the square induction coil, and the square graphite crucible is supported on the graphite supporting cup.
3. The application number is "CN 201821096065.0", the name is "a horizontal acheson graphitization furnace for graphite production", discloses a horizontal acheson graphitization furnace for graphite production, comprising a base plate, the last fixed surface of bottom plate is connected with two electric putter, and two electric putter's top all is connected with the lower fixed surface of backup pad, the through-hole has been seted up to the upper surface of backup pad, be provided with the slide bar in the through-hole, the slide bar about both ends respectively with the left surface and the right flank fixed connection of through-hole inner wall, the sliding sleeve has been cup jointed on the surface of slide bar, the lower fixed surface of sliding sleeve is connected with the movable block, the left surface joint of movable block has the screw cap. The last fixed surface of second connecting block is connected with the workbin, the lower fixed surface of workbin is connected with the head, the head is located the right side of second connecting block, and the lower fixed surface of head connects at the upper surface of backup pad, the right flank fixedly connected with ejection of compact pipeline of workbin, the last fixed surface of bottom plate is connected with the graphitizing furnace body, and the graphitizing furnace body is located electric putter's right side, the feed inlet has been seted up to the upper surface of graphitizing furnace body, the feed inlet is corresponding with the position of ejection of compact pipeline.
The above patents relate to an electromagnetic heating furnace, and refer to a supporting device, but these supporting devices have some disadvantages, especially how to reasonably support the graphite crucible when the graphite carbon felt is used for heat preservation, and have not yet proposed an ideal solution for the sinking problem of the graphite crucible, because the supporting is not a simple one, when considering the supporting device, it is necessary to ensure the supporting, and also to ensure the insulation with the bottom, and at the same time, it is necessary to consider how to avoid heat from being transferred to the furnace through the supporting device, and these patents lack systematic considerations, so that the graphite crucible supporting device proposed has a great significance in the technical field.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem that the graphite crucible in the horizontal electromagnetic induction heating furnace is not enough to be effectively supported, so that the graphite crucible is easy to sink in the heating process, and the device for supporting the graphite crucible in the horizontal electromagnetic induction heating furnace can effectively prevent the graphite crucible in the horizontal electromagnetic induction heating furnace from sinking in the heating process.
In order to solve the technical problem, the utility model discloses a technical scheme as follows:
a graphite crucible supporting device of a horizontal electromagnetic heating furnace comprises a base, wherein a furnace body is horizontally supported on the base, an electromagnetic heating ring is arranged in the furnace body, a hard insulating layer is arranged in the electromagnetic heating ring, a heat insulating layer is also arranged in the hard insulating layer, and a graphite crucible is arranged in the heat insulating layer; the composite supporting device is arranged below the graphite crucible, and the graphite crucible is supported on the hard insulating layer through the composite supporting device, so that the graphite crucible and the insulating layer form a hard supporting structure.
Furthermore, the composite supporting device is formed by combining a plurality of sections of sectional supporting rods made of different structures and materials, the composite supporting rods integrally penetrate through the heat insulation layer, the upper part of the composite supporting rods props against the graphite crucible, the lower part of the composite supporting rods is seated on the hard insulation layer, and the composite supporting rods are integrally wrapped in the heat insulation layer.
Furthermore, the composite supporting rod is divided into two sections or three sections, wherein at least one section of the composite supporting rod comprises a heat insulation supporting section and an insulation supporting section; the heat insulation support section is a heat insulation support formed by combining a plurality of small support core rods made of hard materials; the insulating support section is an insulating support rod made of hard insulating materials. The hard material comprises a carbon-carbon material, a graphite material, a silicon carbide material, a ceramic material and a non-magnetic metal material.
Furthermore, the composite support rod is divided into three sections, one section is a graphite support section directly contacted with the graphite crucible, the second section is a heat insulation support section made of a hard material and a heat insulation material in a mixed mode, the third section is an insulation support section made of an insulation material, and the composite support device is formed by combining the three sections of supports, so that the support stability is guaranteed, and meanwhile, heat is prevented from diffusing outside through the support device.
Furthermore, the number of the composite supporting rods is more than 4, the composite supporting rods are uniformly distributed below the bottom of the graphite crucible and are inserted into the heat insulation layer, so that the graphite crucible can be stably placed on the composite supporting rods, and the graphite crucible is prevented from sinking when being heated.
Furthermore, the graphite support section is a hard support block made of graphite; the graphite supporting block is supported below the graphite crucible, and the length of the graphite supporting section is 1/5-1/4 of the whole composite supporting device.
Furthermore, the heat insulation support section is arranged between the graphite support section and the heat insulation support section and is a combined heat insulation support rod formed by combining a plurality of small support core rods made of hard materials; the combined heat insulation support rod can effectively support the graphite crucible and can effectively reduce the heat dissipation in the furnace; the insulating support section is 1/2-3/4 of the length of the whole composite support device.
Furthermore, the plurality of small supporting core rods are wrapped in the hard felt sleeve; a plurality of uniformly distributed through holes for mounting the fine graphite core rods are arranged in the hard felt sleeve, and a plurality of fine support core rods are inserted into the through holes; the hard felt sleeve with the small supporting core rods and the small supporting core rods are combined to form a heat insulation supporting section, and then the heat insulation supporting section is inserted into the heat insulation layer.
Furthermore, the plurality of small supporting core rods are directly wrapped in the heat insulation layer to form a heat insulation supporting section; there are the perforation of the many tiny support core bars of installation of a plurality of equipartitions in the bottom of heat preservation, and each perforation interpolation has a tiny support core bar, forms thermal-insulated support section through many tiny support core bars in the heat preservation.
Furthermore, the insulating support section is an insulating rod made of zirconia, so that the composite structure support rod is isolated from the insulating layer to form insulation, and an electromagnetic loop formed by the support rod is avoided.
The utility model has the advantages of it is following:
the utility model discloses an adopt the composite construction bracing piece to support graphite crucible for graphite crucible forms hard bearing structure in the stove, and can effectively avoid forming electromagnetic circuit again, and form thermal-insulated support section through a plurality of tiny graphite plug and effectively reduced composite construction bracing piece self and generate heat and conduct heat, mainly has following advantage:
1. the heat insulation support section formed by combining the plurality of fine graphite core rods can greatly reduce the self heat generation and heat transfer of the support device, and the heat insulation support section can play a supporting role and effectively insulate heat by reducing the cross sectional area of the hard support and the effective electromagnetic shielding.
2. Adopt each section function that the composite construction bracing piece of multisection structure can effectively adjust the support, through the function difference of segmentation, reach different purposes, finally realize the utility model discloses can form hard support, can not lead to the purpose of hot outdiffusion again.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is an enlarged schematic view of a part of the supporting device in fig. 1.
Detailed Description
In order that those skilled in the art can fully practice the invention, the following detailed description will be given with reference to the accompanying drawings.
As shown in fig. 1 and 2, the utility model relates to a graphite crucible supporting device for a horizontal electromagnetic heating furnace, which comprises a base 2, a furnace body 1 is horizontally supported on the base, an electromagnetic heating ring 3 is arranged in the furnace body 1, a hard insulating layer 4 is arranged in the electromagnetic heating ring 3, a heat insulating layer 5 is also arranged in the hard insulating layer 4, and a graphite crucible 6 is arranged in the heat insulating layer 5; the composite supporting device 7 is arranged below the graphite crucible 6, and the graphite crucible 6 is supported on the hard insulating layer 4 through the composite supporting device 7, so that the graphite crucible 6 and the insulating layer 4 form a hard supporting structure.
The composite supporting device 7 is formed by combining a plurality of sections of sectional supporting rods made of different structures and materials, the composite supporting rods integrally penetrate through the heat-insulating layer, the upper part of the composite supporting rods props against the graphite crucible 6, the lower part of the composite supporting rods is seated on the hard insulating layer 4, and the composite supporting rods are integrally wrapped in the heat-insulating layer 3.
The composite support rod is divided into three sections, wherein one section is a graphite support section 9 directly contacted with the graphite crucible, the second section is a heat insulation support section 10 made of hard materials and heat insulation materials in a mixed mode, the third section is an insulation support section 11 made of insulation materials, and the composite support device is formed by combining the three sections of supports, so that the support stability is guaranteed, and meanwhile, heat is prevented from diffusing outside through the support device.
The quantity of composite support rod be more than 4, the equipartition is below the bottom of graphite crucible, inserts in the heat preservation for graphite crucible can steadily prevent on composite support rod, sinks when preventing the heating of graphite crucible.
The graphite supporting section 9 is a hard supporting block made of graphite; the graphite supporting block is supported below the graphite crucible, and the length of the graphite supporting section is 1/5-1/4 of the whole composite supporting device.
The heat insulation support section 10 is arranged between the graphite support section and the insulation support section, and is formed by combining a plurality of fine graphite core rods 12 wrapped in an outer wrapping material, so that the composite structure support rod can effectively support a graphite crucible and effectively reduce heat dissipation in a furnace; the insulating support section is 1/2-3/4 of the length of the whole composite support device.
The plurality of fine graphite rods 12 are wrapped in a hard felt sleeve 13; a plurality of uniformly distributed through holes for mounting the fine graphite core rods are arranged in the hard felt sleeve 13, and the fine graphite core rods 12 are inserted into the through holes; the hard felt sleeve with the fine graphite core rod is inserted into the heat preservation layer 8 to form a heat insulation supporting section.
The insulating support section 11 is an insulating rod made of zirconia, so that the composite structure supporting rod is isolated from the insulating layer to form insulation, and an electromagnetic loop is prevented from being formed through the supporting rod.
Example two
The principle of the second embodiment is the same as that of the first embodiment, but the structure is slightly different; the graphite crucible supporting device for the horizontal electromagnetic heating furnace comprises a base, wherein a furnace body is horizontally supported on the base, an electromagnetic heating ring is arranged in the furnace body, a hard insulating layer is arranged in the electromagnetic heating ring, a heat insulating layer is also arranged in the hard insulating layer, and a graphite crucible is arranged in the heat insulating layer; the composite supporting device is arranged below the graphite crucible, and the graphite crucible is supported on the hard insulating layer through the composite supporting device, so that the graphite crucible and the insulating layer form a hard supporting structure.
The composite supporting device is formed by combining a plurality of sections of sectional supporting rods made of different structures and materials, the composite supporting rods integrally penetrate through the heat insulation layer, the upper part of the composite supporting rods props against the graphite crucible, the lower part of the composite supporting rods is seated on the hard insulation layer, and the composite supporting rods are integrally wrapped in the heat insulation layer.
The composite supporting rod is divided into two sections, including a heat insulation supporting section and an insulation supporting section; the heat insulation support section is a heat insulation support formed by combining a plurality of small support core rods made of hard materials; the insulating support section is an insulating support rod made of hard insulating materials. The insulating support section is an insulating support rod made of hard insulating materials. The hard material comprises a carbon-carbon material, a graphite material, a silicon carbide material, a ceramic material and a non-magnetic metal material.
The quantity of composite support rod be 6, divide two rows of equipartitions below graphite crucible's bottom, insert in the heat preservation for graphite crucible can steadily prevent on composite support rod, prevents that graphite crucible from sinking when heating.
The heat insulation support section is arranged between the graphite support section and the insulation support section, and is formed by combining a plurality of fine graphite core rods wrapped in an outer wrapping material, so that the composite structure support rod can effectively support a graphite crucible and effectively reduce heat dissipation in a furnace; the insulating support section is 1/2-3/4 of the length of the whole composite support device.
The plurality of small graphite rods are directly wrapped in the heat insulation layer; the bottom of the heat preservation layer is provided with a plurality of uniformly distributed through holes for mounting the fine graphite core rods, the fine graphite core rods are inserted into the through holes, and the heat insulation supporting section is formed by the fine graphite core rods in the heat preservation layer.
The insulating support section is an insulating rod made of an inorganic nonmetal heat conduction insulating material, so that the composite structure support rod is isolated from the insulating layer to form insulation, and an electromagnetic circuit is prevented from being formed through the support rod.
The hard heat conduction, heat transfer, heat dissipation and insulation material comprises zirconium oxide, insulation ceramic, metal oxide, metal nitride and SiC.
Obviously, the above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
The utility model has the advantages of it is following:
the utility model discloses an adopt the composite construction bracing piece to support graphite crucible for graphite crucible forms hard bearing structure in the stove, and can effectively avoid forming electromagnetic circuit again, and form thermal-insulated support section through a plurality of tiny graphite plug and effectively reduced composite construction bracing piece self and generate heat and conduct heat, mainly has following advantage:
1. adopt a plurality of tiny graphite plug combinations to form thermal-insulated support section can significantly reduce the support be the generating heat and the heat transfer of stick self, through the cross section area and the effectual electromagnetic shield that reduce hard support for thermal-insulated support section can play the supporting role, has effectively to insulate against heat.
2. Adopt each section function that the composite construction bracing piece of multisection structure can effectively adjust the support, through the function difference of segmentation, reach different purposes, finally realize the utility model discloses can form hard support, can not lead to the purpose of hot outdiffusion again.
Claims (10)
1. A graphite crucible supporting device of a horizontal electromagnetic heating furnace comprises a base, wherein a furnace body is horizontally supported on the base, an electromagnetic heating ring is arranged in the furnace body, a hard insulating layer is arranged in the electromagnetic heating ring, a heat insulating layer is also arranged in the hard insulating layer, and a graphite crucible is arranged in the heat insulating layer; the method is characterized in that: the composite supporting device is arranged below the graphite crucible, and the graphite crucible is supported on the hard insulating layer through the composite supporting device, so that the graphite crucible and the insulating layer form a hard supporting structure.
2. The horizontal electromagnetic heating furnace graphite crucible supporting device according to claim 1, characterized in that: the composite supporting device is formed by combining a plurality of sections of sectional supporting rods made of different structures and materials, the composite supporting rods integrally penetrate through the heat insulation layer, the upper part of the composite supporting rods props against the graphite crucible, the lower part of the composite supporting rods is seated on the hard insulation layer, and the composite supporting rods are integrally wrapped in the heat insulation layer.
3. The horizontal electromagnetic heating furnace graphite crucible supporting device according to claim 2, characterized in that: the composite support rod is divided into two sections or three sections, wherein at least one section of the composite support rod comprises a heat insulation support section and an insulation support section; the heat insulation support section is a heat insulation support formed by combining a plurality of small support core rods made of hard materials; the insulating support section is an insulating support rod made of hard insulating materials; the hard material comprises a carbon-carbon material, a graphite material, a silicon carbide material, a ceramic material and a non-magnetic metal material.
4. The horizontal electromagnetic heating furnace graphite crucible supporting device according to claim 2, characterized in that: the quantity of composite support rod be more than 4, the equipartition is below the bottom of graphite crucible, inserts in the heat preservation for graphite crucible can steadily place on composite support rod, prevents that graphite crucible from sinking when heating.
5. The horizontal electromagnetic heating furnace graphite crucible supporting device according to claim 2, characterized in that: the composite support rod is divided into three sections, wherein one section is a graphite support section directly contacted with the graphite crucible, the second section is a heat insulation support section made of a hard material and a heat insulation material in a mixed mode, the third section is an insulation support section made of an insulation material, and the composite support device is formed by combining the three sections of supports, so that the support stability is guaranteed, and meanwhile, heat is prevented from diffusing outside through the support device.
6. The horizontal electromagnetic heating furnace graphite crucible supporting device according to claim 5, characterized in that: the graphite supporting section is a hard supporting block made of graphite; the graphite supporting block is supported below the graphite crucible, and the length of the graphite supporting section is 1/5-1/4 of the whole composite supporting device.
7. The horizontal electromagnetic heating furnace graphite crucible supporting device according to claim 6, characterized in that: the heat insulation support section is arranged between the graphite support section and the insulation support section and is a combined heat insulation support rod formed by combining a plurality of small support core rods made of hard materials; the combined heat insulation support rod can effectively support the graphite crucible and can effectively reduce the heat dissipation in the furnace; the insulating support section is 1/2-3/4 of the length of the whole composite support device.
8. The horizontal electromagnetic heating furnace graphite crucible supporting device according to claim 3, characterized in that: the small supporting core rods are wrapped in the hard felt sleeve; a plurality of uniformly distributed through holes for mounting the fine graphite core rods are arranged in the hard felt sleeve, and a plurality of fine support core rods are inserted into the through holes; the hard felt sleeve with the small supporting core rods and the small supporting core rods are combined to form a heat insulation supporting section, and then the heat insulation supporting section is inserted into the heat insulation layer.
9. The horizontal electromagnetic heating furnace graphite crucible supporting device according to claim 3, characterized in that: the plurality of small supporting core rods are directly wrapped in the heat insulation layer to form a heat insulation supporting section; there are the perforation of the many tiny support core bars of installation of a plurality of equipartitions in the bottom of heat preservation, and each perforation interpolation has a tiny support core bar, forms thermal-insulated support section through many tiny support core bars in the heat preservation.
10. The horizontal electromagnetic heating furnace graphite crucible supporting device according to claim 3, characterized in that: the insulating support section is an insulating rod made of an inorganic nonmetal heat conduction insulating material, so that the composite structure support rod is isolated from the insulating layer to form insulation, and an electromagnetic circuit is prevented from being formed through the support rod.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922430114.0U CN212378487U (en) | 2019-12-30 | 2019-12-30 | Graphite crucible supporting device of horizontal electromagnetic heating furnace |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922430114.0U CN212378487U (en) | 2019-12-30 | 2019-12-30 | Graphite crucible supporting device of horizontal electromagnetic heating furnace |
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| CN212378487U true CN212378487U (en) | 2021-01-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113532113A (en) * | 2021-08-02 | 2021-10-22 | 永恒珍宝(北京)科技有限公司 | Graphite crucible for extracting carbon element and horizontal induction heating graphitization furnace |
-
2019
- 2019-12-30 CN CN201922430114.0U patent/CN212378487U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113532113A (en) * | 2021-08-02 | 2021-10-22 | 永恒珍宝(北京)科技有限公司 | Graphite crucible for extracting carbon element and horizontal induction heating graphitization furnace |
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