CN212381416U - Carbon/carbon composite material heating element component - Google Patents
Carbon/carbon composite material heating element component Download PDFInfo
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- CN212381416U CN212381416U CN202021135712.1U CN202021135712U CN212381416U CN 212381416 U CN212381416 U CN 212381416U CN 202021135712 U CN202021135712 U CN 202021135712U CN 212381416 U CN212381416 U CN 212381416U
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Abstract
The utility model belongs to the technical field of the heat-generating body technique and specifically relates to a carbon/carbon composite material heat-generating body component contains the heat-generating body of being made by carbon/carbon composite material, the heat-generating body is cylindricly, be provided with the louvre on the heat-generating body section of thick bamboo wall, still be provided with electrode hole group on the heat-generating body section of thick bamboo wall, the beneficial effects of the utility model are that, the heat-generating body component of being made by carbon/carbon composite material not only has excellent electric conductive property, still has good intensity retention rate, thermal shock resistance under high temperature; in addition, the arranged heat dissipation holes can play a role in controlling the resistance of the whole heating body, can effectively dissipate heat and are convenient for machining; the electrode hole group is used for connecting electrodes; this application adopts round hole or elliptical hole as the louvre, and adjacent louvre group adopts the mode of staggering arranging to arrange, when guaranteeing that heat-generating body component performance is excellent, further raises the intensity.
Description
Technical Field
The utility model belongs to the technical field of the heat-generating body technique and specifically relates to a carbon/carbon combined material heat-generating body component.
Background
The carbon/carbon composite material is an advanced ultrahigh-temperature structure-function integrated composite material with a plurality of unique properties, which is formed by a carbon fiber reinforced carbon matrix, and the unique properties of the carbon/carbon composite material comprise small density, low thermal expansion coefficient, excellent strength retention rate at high temperature, thermal shock resistance, good friction resistance, corrosion resistance and chemical stability, and the carbon/carbon composite material is the most ideal high-temperature structure material under the currently known inert atmosphere.
The carbon/carbon composite material has strong designability, and when the prefabricated member is manufactured, a blank can be manufactured according to the requirement so as to meet the application requirements of various occasions. In recent years, in the vacuum melting equipment industry, the characteristic of stable resistance of a carbon/carbon composite material is utilized to replace the traditional graphite material as an electrode material. In ' nonferrous mining metallurgy ' 2019, the 02 th period discloses a document that ' electrical property research of carbon/carbon composite materials as heating element components ', the nonferrous mining metallurgy 2019,35(2):42-44 ', the resistance of carbon/carbon composite material heating elements with different densities is measured by using vacuum smelting equipment of an ALD company, the resistance of the carbon/carbon composite material heating element is found to be remarkably reduced along with the increase of the temperature, the resistance is closely related to the density, and the design of the carbon/carbon composite material heating element is realized.
At present, the commonly used cylindrical high-temperature furnace graphite heating body is formed by combining a plurality of parts, the connecting piece is easily influenced by factors such as thermal shock, vibration and the like, and particularly for large-size heating body components, the strength is not enough, and accidental damage is easily caused.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior heating element strength made of graphite, the utility model provides a carbon/carbon composite material heating element component. Has better strength and shock resistance, and can effectively prolong the service life of furnace body equipment.
The utility model provides a technical scheme that its technical problem adopted is: a carbon/carbon composite material heating element component comprises a heating element body made of carbon/carbon composite materials, wherein the heating element body is cylindrical, heat dissipation holes are formed in the cylindrical wall of the heating element body, and an electrode hole group is further formed in the cylindrical wall of the heating element body.
According to another embodiment of the present invention, further comprising, the density of the heat-generating bodyThe degree is not less than 1.86 g/cm3。
According to another embodiment of the present invention, further comprising that the graphitization degree of the heating body is not less than 80%.
According to the utility model discloses a further embodiment, further include, the louvre is round hole or elliptical hole. The circular holes or the elliptical holes can be processed in a stamping forming mode, and the efficiency can be effectively improved. The heat dissipation and the power are guaranteed, and meanwhile the overall strength of the heating body is guaranteed.
According to the utility model discloses a further embodiment, further include, the electrode punch combination comprises three round holes, is triangle-shaped and arranges. The triangular arrangement makes the electrode hole group layout compact.
According to the utility model discloses a further embodiment, include, electrode punch combination is three groups altogether, and evenly distributed is on heat-generating body section of thick bamboo wall to fall into three region with the louvre, contain at least one thermohole group in every region, linear equipartition on section of thick bamboo wall generating line direction is organized to every thermohole. The electrode hole groups and the radiating holes are arranged at intervals, and each radiating hole group is linearly and uniformly distributed, so that the uniformity of the radiating holes on the heating body is ensured, and the uniformity of the temperature of the heating body component during working can be ensured.
According to the utility model discloses a further embodiment, further include, adjacent the thermovent group staggers arranges, and the vertical direction duty cycle of each thermovent group is unanimous. The mode of staggering the arrangement is adopted, more heat dissipation holes can be arranged under the condition of certain surface area, in addition, the strength of the heating body can be improved by the mode of staggering the arrangement, the duty ratio of each heat dissipation hole group in the vertical direction is consistent, and the uniform conductivity is ensured.
The heating element component made of the carbon/carbon composite material has the advantages that the heating element component has excellent conductivity, and also has excellent strength retention rate and thermal shock resistance at high temperature; in addition, the arranged heat dissipation holes can play a role in controlling the resistance of the whole heating body, can effectively dissipate heat and are convenient for machining; the electrode hole group is used for connecting electrodes; this application adopts round hole or elliptical hole as the louvre, and adjacent louvre group adopts the mode of staggering arranging to arrange, when guaranteeing that heat-generating body component performance is excellent, further raises the intensity.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a perspective view of the present invention;
fig. 2 is a front view of the structure of the present invention.
In the figure, 1, a heating body, 2, heat dissipation holes, 3 and an electrode hole group.
Detailed Description
Fig. 1 and 2 are schematic structural diagrams of the present invention, a carbon/carbon composite material heat-generating body component, which comprises a heat-generating body 1 made of carbon/carbon composite material, wherein the heat-generating body 1 is cylindrical, heat-generating holes 2 are arranged on the wall of the heat-generating body 1, and electrode hole groups 3 are arranged on the wall of the heat-generating body 1.
The preparation of the carbon/carbon composite material is the prior art, in the application, in order to ensure the strength, the conductivity and the like of the heating element component, a prefabricated body of the heating element component made of the carbon/carbon composite material is firstly woven by carbon fibers, fiber fabrics and felt; then carrying out primary graphitization treatment on the prefabricated body of the woven heating body component; then putting the treated prefabricated body into a chemical vapor infiltration furnace for densification treatment; then the component after densification is put into a graphitization furnace for graphitization again, the graphitization degree of the component is improved, and the non-graphitic amorphous carbon with unstable thermodynamics is converted into a graphite crystal structure from a disordered layer structure through thermal activation, so that the electrical conductivity and the chemical stability of the component are improved; and finally, machining, namely, grinding the surface, chamfering, reaming and the like to prepare the required carbon/carbon composite material heating element component.
The heating element component made of the carbon/carbon composite material has excellent conductivity, and also has excellent strength retention rate and thermal shock resistance at high temperature; in addition, the arranged heat dissipation holes 2 can play a role in controlling the resistance of the whole heating element so as to meet the power requirement of the heating element, can also effectively dissipate heat and is convenient for machining; the electrode hole group 3 is used for connecting electrodes.
According to another embodiment of the present invention, further comprising that the density of the heat-generating body 1 is not less than 1.86 g/cm3。
According to another embodiment of the present invention, it further comprises that the graphitization degree of the heat-generating body 1 is not less than 80%.
According to the utility model discloses a further embodiment, further include, louvre 2 is round hole or elliptical hole. The circular holes or the elliptical holes can be processed in a stamping forming mode, and the efficiency can be effectively improved. The heat dissipation and power are ensured, and meanwhile, the overall strength of the heating body 1 is ensured.
According to another embodiment of the present invention, further comprising, the electrode hole group 3 is composed of three circular holes, and is arranged in a triangle. The triangular arrangement makes the electrode hole group 3 compact in layout.
According to the utility model discloses a further embodiment, include, electrode punch combination 3 is three groups altogether, and evenly distributed is on 1 section of thick bamboo wall of heat-generating body to divide into three region with louvre 2, contain at least one thermovent group in every region, linear equipartition on section of thick bamboo wall generating line direction is organized to every thermovent.
The quantity and the area of the heat dissipation holes depend on the power of the heating body, the electrode hole groups 3 and the heat dissipation holes 2 are arranged at intervals, and each heat dissipation hole group is linearly and uniformly distributed, so that the uniformity of the heat dissipation holes 2 on the heating body 1 is ensured, and the uniformity of the temperature of the heating body component during working can be ensured.
According to the utility model discloses a further embodiment, further include, adjacent the thermovent group staggers and arranges. The staggered arrangement mode is adopted, more heat dissipation holes 2 can be arranged under the condition of a certain surface area, in addition, the staggered arrangement mode can improve the strength of the heating body 1, the duty ratios of all the heat dissipation hole groups in the vertical direction are consistent, the uniform conductivity is ensured, and the duty ratios can be designed according to the requirements of power.
The foregoing description is intended to be illustrative rather than limiting, and it will be appreciated by those skilled in the art that many modifications, variations or equivalents may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (4)
1. A carbon/carbon composite material heating element component is characterized by comprising a heating element body (1) made of carbon/carbon composite material, wherein the heating element body (1) is cylindrical, heat dissipation holes (2) are formed in the cylinder wall of the heating element body (1), and an electrode hole group (3) is further formed in the cylinder wall of the heating element body (1).
2. A carbon/carbon composite material heat-generating body member as described in claim 1, wherein said heat-radiating hole (2) is a circular hole or an elliptical hole.
3. A carbon/carbon composite material heat-generating body member as claimed in claim 1, wherein said electrode hole groups (3) are three groups in total, uniformly distributed on the cylindrical wall of the heat-generating body (1), and divide the heat-radiating holes (2) into three regions, each region containing at least one heat-radiating hole group, each heat-radiating hole group being uniformly and linearly distributed in the generatrix direction of the cylindrical wall.
4. A carbon/carbon composite material heat-generating body member as described in claim 3, wherein said adjacent heat-radiating hole groups are arranged in a staggered manner, and the duty ratios in the vertical direction of the respective heat-radiating hole groups are made uniform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021135712.1U CN212381416U (en) | 2020-06-18 | 2020-06-18 | Carbon/carbon composite material heating element component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021135712.1U CN212381416U (en) | 2020-06-18 | 2020-06-18 | Carbon/carbon composite material heating element component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212381416U true CN212381416U (en) | 2021-01-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021135712.1U Active CN212381416U (en) | 2020-06-18 | 2020-06-18 | Carbon/carbon composite material heating element component |
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| CN (1) | CN212381416U (en) |
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- 2020-06-18 CN CN202021135712.1U patent/CN212381416U/en active Active
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