CN220464431U - Continuous impregnating device for carbon-carbon composite material - Google Patents
Continuous impregnating device for carbon-carbon composite material Download PDFInfo
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- CN220464431U CN220464431U CN202321069001.2U CN202321069001U CN220464431U CN 220464431 U CN220464431 U CN 220464431U CN 202321069001 U CN202321069001 U CN 202321069001U CN 220464431 U CN220464431 U CN 220464431U
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- carbon
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- fixedly connected
- vapor deposition
- liquid phase
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- 239000002131 composite material Substances 0.000 title claims abstract description 34
- CREMABGTGYGIQB-UHFFFAOYSA-N carbon carbon Chemical compound C.C CREMABGTGYGIQB-UHFFFAOYSA-N 0.000 title claims abstract description 31
- 239000011203 carbon fibre reinforced carbon Substances 0.000 title claims abstract description 31
- 238000005470 impregnation Methods 0.000 claims abstract description 26
- 239000007791 liquid phase Substances 0.000 claims abstract description 26
- 230000005540 biological transmission Effects 0.000 claims abstract description 24
- 238000005229 chemical vapour deposition Methods 0.000 claims abstract description 24
- 238000006243 chemical reaction Methods 0.000 claims abstract description 22
- 239000011248 coating agent Substances 0.000 claims abstract description 19
- 238000000576 coating method Methods 0.000 claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 18
- 238000003763 carbonization Methods 0.000 claims abstract description 12
- 239000000835 fiber Substances 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 18
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 14
- 229910052799 carbon Inorganic materials 0.000 claims description 13
- 238000005087 graphitization Methods 0.000 claims description 11
- 238000003754 machining Methods 0.000 claims description 9
- 238000003860 storage Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 abstract description 30
- 238000007598 dipping method Methods 0.000 abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 238000000280 densification Methods 0.000 abstract description 9
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000005137 deposition process Methods 0.000 abstract description 4
- 238000002360 preparation method Methods 0.000 abstract description 4
- 238000007740 vapor deposition Methods 0.000 abstract description 4
- 230000003204 osmotic effect Effects 0.000 abstract 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 19
- 239000007789 gas Substances 0.000 description 11
- 229920000049 Carbon (fiber) Polymers 0.000 description 6
- 108010066278 cabin-4 Proteins 0.000 description 6
- 239000004917 carbon fiber Substances 0.000 description 6
- 239000003345 natural gas Substances 0.000 description 6
- 239000000758 substrate Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000004215 Carbon black (E152) Substances 0.000 description 3
- 229930195733 hydrocarbon Natural products 0.000 description 3
- 150000002430 hydrocarbons Chemical class 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000000197 pyrolysis Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000010426 asphalt Substances 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000005501 phase interface Effects 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 239000002296 pyrolytic carbon Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Abstract
The utility model discloses a continuous impregnating device for a carbon-carbon composite material, which comprises the following components: the liquid phase dipping cabin, the surface fixedly connected with liquid pipeline of liquid dipping cabin, the one end fixedly connected with impregnant cabin of liquid pipeline, the discharge end of liquid dipping cabin is connected with the transmission corridor, the one end fixedly connected with carbonization reaction chamber of transmission corridor, the feed end of liquid phase dipping cabin is connected with chemical vapor deposition CVI coating stove through the transmission corridor, through chemical vapor deposition CVI coating stove, the osmotic effect of vapor deposition method is longer than the difference of liquid phase dipping method, the preparation cycle is longer than the liquid phase dipping method, but simple process, the base member performance is good, the fibre is not damaged in the deposition process, the degree of densification is convenient for accurate control. In order to improve the overall production efficiency, the chemical vapor deposition and the liquid phase impregnation are combined by the device, and the novel technology process can realize controllable densification degree, simple process and short production period.
Description
Technical Field
The utility model relates to the technical field of continuous impregnation of carbon-carbon composite materials, in particular to a continuous impregnation device of a carbon-carbon composite material.
Background
The carbon-carbon composite material is a composite material which uses carbon fiber as a reinforcement body and carbon as a matrix, and the carbon fiber as the reinforcement body can be in various forms and types, and can be chopped fiber, continuous long fiber and braided fabric. Various types of carbon fibers may be used for reinforcement of the carbon-carbon composite material. Carbon substrates are available in a variety of ways from a wide variety of carbon sources, and typical substrates are pyrolytic carbon produced by chemical vapor deposition using hydrocarbon gases or solid carbon formed by carbonization of pitch using polymeric materials.
The existing processing mode is that the carbonized preformed body is put into a large chemical vapor deposition CVI coating furnace, so that organic matters such as carbon-loaded hydrocarbon gas (natural gas, methane, propane) continuously pass through the surface of a heated substrate, the gas is diffused into pores of a carbon preformed body piece, pyrolysis is carried out under high temperature condition, carbon or graphite deposition is generated on gas-solid phase interfaces along pore channel walls, and most pores are filled along with the continuous pyrolysis of the carbon-loaded hydrocarbon gas, thereby achieving the purpose of improving the material density. However, vapor deposition has a poor permeation effect compared with liquid immersion, and is often used for producing small or thin parts, and has a long production period.
Disclosure of Invention
The utility model aims to at least solve one of the technical problems in the prior art and provide a continuous impregnating device for a carbon-carbon composite material, wherein the infiltration effect of a vapor deposition method is poorer than that of a liquid phase impregnating method through a chemical vapor deposition CVI coating furnace, the preparation period is longer than that of the liquid phase impregnating method, but the process is simple, the substrate performance is good, the fibers are not damaged in the deposition process, and the densification degree is convenient to accurately control. In order to improve the overall production efficiency, the chemical vapor deposition and the liquid phase impregnation are combined by the device, and the novel technology process can realize controllable densification degree, simple process and short production period.
The utility model also provides a continuous impregnating device for the carbon-carbon composite material, which comprises the following components: the liquid phase impregnation cabin, the surface fixedly connected with liquid pipeline of liquid phase impregnation cabin, the one end fixedly connected with impregnant cabin of liquid pipeline, the discharge end of liquid phase impregnation cabin is connected with the transmission corridor, the one end fixedly connected with carbonization reaction chamber of transmission corridor, the feed end of liquid phase impregnation cabin is connected with chemical vapor deposition CVI coating stove through the transmission corridor, the surface fixedly connected with gas delivery pipeline of chemical vapor deposition CVI coating stove, the one end fixedly connected with natural gas chamber of gas delivery pipeline. Through the device, the infiltration effect of the chemical vapor deposition CVI coating furnace is worse than that of the liquid phase dipping method, the preparation period is longer than that of the liquid phase dipping method, but the process is simple, the substrate performance is good, the fiber is not damaged in the deposition process, and the densification degree is convenient to accurately control. In order to improve the overall production efficiency, the chemical vapor deposition and the liquid phase impregnation are combined by the device, and the novel technology process can realize controllable densification degree, simple process and short production period.
According to the continuous carbon-carbon composite material impregnating device provided by the utility model, the feeding end of the chemical vapor deposition CVI coating furnace is fixedly connected with a preform storage bin through a transmission corridor. The material in the processing is processed according to the corresponding processing steps.
According to the continuous carbon-carbon composite material impregnating device provided by the utility model, the discharge end of the carbonization reaction chamber is fixedly connected with the graphitization reaction chamber through the transmission corridor. The material is allowed to enter a graphitization reaction chamber for processing.
According to the continuous carbon-carbon composite material impregnating device, the discharge end of the graphitization reaction chamber is fixedly connected with an organic processing workshop through a transmission corridor. The material enters a machining workshop for processing after being reacted by the graphitization reaction chamber.
According to the continuous carbon-carbon composite material impregnating device disclosed by the utility model, the discharge end of the machining workshop is fixedly connected with the CVD cabin through the transmission corridor. After passing through the machining shop, the material is brought into the CVD chamber for treatment.
According to the continuous carbon-carbon composite material impregnating device, the feeding end of the preform storage bin is an input port of carbon fiber materials. The carbon fiber material enters a preform storage bin for processing.
According to the continuous carbon-carbon composite material impregnating device provided by the utility model, the discharge end of the CVD cabin is a discharge port of the carbon-carbon composite material. So that the processed material is formed into a finished product by the CVD chamber.
Advantageous effects
1. Compared with the prior art, the continuous impregnating device for the carbon-carbon composite material has the advantages that the chemical vapor deposition CVI coating furnace is adopted, the permeation effect of the vapor deposition method is poorer than that of the liquid phase impregnation method, the preparation period is longer than that of the liquid phase impregnation method, the process is simple, the substrate performance is good, the fibers are not damaged in the deposition process, and the densification degree is convenient to accurately control.
2. Compared with the prior art, the continuous carbon-carbon composite material impregnating device combines chemical vapor deposition and liquid phase impregnation through the device for improving the overall production efficiency, and the novel technology can realize controllable densification degree, simple process and short production period.
Drawings
The utility model is further illustrated by the following figures and examples;
FIG. 1 is an overall structure diagram of a continuous carbon-carbon composite impregnating apparatus according to the present utility model;
FIG. 2 is a top view of a continuous carbon-carbon composite impregnating apparatus according to the present utility model;
fig. 3 is a bottom view of a continuous carbon-carbon composite impregnating apparatus according to the present utility model.
Legend description:
1. a preform storage bin; 2. a natural gas chamber; 3. a chemical vapor deposition CVI coating furnace; 4. a liquid phase impregnation chamber; 5. an impregnant compartment; 6. a carbonization reaction chamber; 7. a graphitization reaction chamber; 8. machining workshops; 9. a CVD chamber; 10. a transmission corridor; 11. a gas delivery conduit; 12. a liquid delivery conduit.
Detailed Description
Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.
Referring to fig. 1 to 3, a continuous impregnation device for a carbon-carbon composite material according to an embodiment of the present utility model includes: the liquid-phase impregnation chamber 4, which is a main process for manufacturing the carbon/carbon composite material, is a process of impregnating various reinforcing green bodies with organic matters such as resin or pitch and converting the organic matters into carbon in an inert atmosphere by a heat treatment method. The impregnant is resin and asphalt, and the impregnation process comprises low-pressure, medium-pressure and high-pressure impregnation processes. The outer surface fixedly connected with liquid pipeline 12 of liquid impregnation cabin 4 for carry the liquid, the one end fixedly connected with impregnant cabin 5 of liquid pipeline 12 is used for depositing the impregnant, the discharge end of liquid impregnation cabin 4 is connected with transmission corridor 10 for conveying the material, the one end fixedly connected with carbonization reaction chamber 6 of transmission corridor 10 is used for carrying out the carbonization reaction with the material, the feed end of liquid impregnation cabin 4 is connected with chemical vapor deposition CVI coating stove 3 through transmission corridor 10, CVI technology can carry out densification to a large amount of prefabrication pieces once, the new material of obtaining usually has higher intensity and hardness. The CVI process method mainly comprises four methods of an isothermal method, a thermal gradient method, a differential pressure method and a pulse method.
The feeding end of the chemical vapor deposition CVI coating furnace 3 is fixedly connected with a preform storage bin 1 through a transmission corridor 10, and the feeding end of the preform storage bin 1 is an input port of carbon fiber materials. The outer surface of the chemical vapor deposition CVI coating furnace 3 is fixedly connected with a gas conveying pipeline 11 for conveying gas, and one end of the gas conveying pipeline 11 is fixedly connected with a natural gas chamber 2 for storing natural gas.
The discharge end of the carbonization reaction chamber 6 is fixedly connected with a graphitization reaction chamber 7 through a transmission corridor 10 for processing materials. The discharge end of the graphitization reaction chamber 7 is fixedly connected with an organic processing workshop 8 through a transmission corridor 10 for machining materials. The discharge end of the machining workshop 8 is fixedly connected with a CVD cabin 9 through a transmission corridor 10, and the discharge end of the CVD cabin 9 is a discharge port of the carbon-carbon composite material.
Working principle: raw materials enter a chemical vapor deposition CVI coating furnace 3 after passing through a preform storage bin 1, a natural gas chamber 2 is connected to the chemical vapor deposition CVI coating furnace 3 through a gas conveying pipeline 11, the raw materials enter a liquid phase dipping cabin 4 after entering the chemical vapor deposition CVI coating furnace 3, the liquid phase dipping cabin 4 is connected with an impregnant cabin 5 through a liquid conveying pipeline 12, the raw materials are conveyed to a carbonization reaction chamber 6 after passing through the liquid phase dipping cabin 4, the materials enter a graphitization reaction chamber 7 after passing through the carbonization reaction chamber 6, the materials enter a machining workshop 8 after passing through the graphitization reaction chamber 7, enter a CVD cabin 9 after passing through the machining workshop 8, and finally the finished carbon-carbon composite material after passing through the CVD cabin 9 is machined.
The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.
Claims (7)
1. A continuous carbon-carbon composite impregnating device, characterized by comprising:
the liquid phase impregnation cabin (4), the surface fixedly connected with liquid pipeline (12) of liquid impregnation cabin (4), the one end fixedly connected with impregnant cabin (5) of liquid pipeline (12), the discharge end of liquid phase impregnation cabin (4) is connected with transmission corridor (10), the one end fixedly connected with carbonization reaction chamber (6) of transmission corridor (10), the feed end of liquid phase impregnation cabin (4) is connected with chemical vapor deposition CVI coating stove (3) through transmission corridor (10), the surface fixedly connected with gas pipeline (11) of chemical vapor deposition CVI coating stove (3), the one end fixedly connected with natural air chamber (2) of gas pipeline (11).
2. A continuous carbon-carbon composite impregnating device according to claim 1, characterized in that the feed end of the chemical vapor deposition CVI coating furnace (3) is fixedly connected with a preform storage bin (1) through a transmission corridor (10).
3. The continuous carbon-carbon composite impregnating device according to claim 1, wherein the discharge end of the carbonization reaction chamber (6) is fixedly connected with a graphitization reaction chamber (7) through a transmission corridor (10).
4. A continuous impregnation device for carbon-carbon composite materials according to claim 3, characterized in that the discharge end of the graphitization reaction chamber (7) is fixedly connected to the organic processing plant (8) through a transmission corridor (10).
5. A continuous carbon composite impregnation device according to claim 4, characterized in that the discharge end of the machining shop (8) is fixedly connected with a CVD cabin (9) via a transfer corridor (10).
6. A continuous carbon-carbon composite impregnating device according to claim 2, wherein the feed end of the preform storage bin (1) is an input port for carbon fibre material.
7. The continuous carbon-carbon composite impregnating device according to claim 5, wherein the discharge end of the CVD chamber (9) is a discharge port of the carbon-carbon composite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321069001.2U CN220464431U (en) | 2023-05-06 | 2023-05-06 | Continuous impregnating device for carbon-carbon composite material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321069001.2U CN220464431U (en) | 2023-05-06 | 2023-05-06 | Continuous impregnating device for carbon-carbon composite material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220464431U true CN220464431U (en) | 2024-02-09 |
Family
ID=89777086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321069001.2U Active CN220464431U (en) | 2023-05-06 | 2023-05-06 | Continuous impregnating device for carbon-carbon composite material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220464431U (en) |
-
2023
- 2023-05-06 CN CN202321069001.2U patent/CN220464431U/en active Active
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