CN201908051U - Special device for producing carbon-carbon composite material - Google Patents
Special device for producing carbon-carbon composite material Download PDFInfo
- Publication number
- CN201908051U CN201908051U CN2010205870658U CN201020587065U CN201908051U CN 201908051 U CN201908051 U CN 201908051U CN 2010205870658 U CN2010205870658 U CN 2010205870658U CN 201020587065 U CN201020587065 U CN 201020587065U CN 201908051 U CN201908051 U CN 201908051U
- Authority
- CN
- China
- Prior art keywords
- carbon
- carbon composite
- composite material
- atmosphere protection
- producing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Ceramic Products (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
The utility model relates to a special device for producing a carbon-carbon composite material, which comprises a kneading kettle, a hot rolling mill, a mixing tank, a spraying granulator, an isostatic pressing forming machine, an atmosphere protection roasting furnace and a high-pressure impregnation tank and is characterized in that in the technical process of producing the carbon-carbon composite material, relative equipment comprises the kneading kettle, the hot rolling mill, the mixing tank, the spraying granulator, the isostatic pressing forming machine, the atmosphere protection roasting furnace and the high-pressure impregnation tank; and the roasting temperature of the atmosphere protection roasting furnace is in the range of 1,300 to 1,400 DEG C. Compared with the common carbon graphite material, the thermal shock resistance, the strength and the impact resistance of the carbon-carbon composite material made by the special device can be improved by 50 percent to 100 percent. Meanwhile, the carbon-carbon composite material has excellent wear resistance and is a preferred material in the space flight and aviation and war industries.
Description
Technical field
The utility model relates to a kind of isolated plant of producing carbon-carbon composite, specifically belongs to the non-metallic material technical field.
Background technology
Since half a century, the novel material of whole world invention can be applied to go in the actual production very few, and exhausted major part is to walk this road of matrix material, has two kinds or several materials to be blended together, and learns from other's strong points to offset one's weaknesses mutually, improves the requirement that material property satisfies product.1), have good self lubricity and a low frictional coefficient carbon-to-carbon material has many excellent characteristic and is widely adopted:.2), corrosion resistance nature is good.3), has good heat resistance.4), thermal conductivity is good and have a lower coefficient of linear expansion.5), group is good to performance.6), be easy to processing.
It more than is the premium properties of carbon-to-carbon material, the natural shortcoming of carbon-to-carbon material is crisp, intensity is low, so it is abominable at some working conditions, the carbon-to-carbon material is had the occasion of particular requirement can not satisfy the demand by the performance of self, the performance that can only use other material remedies the deficiency of carbon-to-carbon material itself.Carbon-carbon composite is to be mixed and made into carbon fiber and carbon dust material.Carbon fibre material has remedied carbon material two big defectives simultaneously except that the whole advantages that possess carbon material.The product that has carbon fibre material to make fully is also better than Strength of Metallic Materials, also has the light advantage of material simultaneously.
For many years carbon-carbon composite is rested on the carbon-carbon composite of braided filament and carbon dust always, the uniform mixing of staple fibre and the carbon dust type that is pressed into is a difficult problem that is difficult to overcome always.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned weak point, thereby a kind of isolated plant of producing carbon-carbon composite is provided, and utilizes carbon dust and the short fibre sintered carbon-carbon composite that becomes, and heat-shock resistance is strong, the intensity height; Have good wear resistance simultaneously, be first-selected carbon-carbon composite in space flight and aviation and the war industry.
The technical solution of the utility model is: a kind of isolated plant of producing carbon-carbon composite; comprise and mediate still, hot rolls, mixing tank, sponging granulator, isostatic pressing machine, atmosphere protection stoving oven, high-pressure impregnation jar, it is characterized in that: technological process and the relevant device of producing carbon-carbon composite are followed successively by kneading still, hot rolls, mixing tank, sponging granulator, isostatic pressing machine, atmosphere protection stoving oven, high-pressure impregnation jar.Described atmosphere protection stoving oven, maturing temperature are 1300～1400 ℃, and once sintered density will reach 1.8g/cm3～2.25g/cm3.
Compared with the prior art the utility model has the following advantages: carbon dust that the utility model is made and the short fibre sintered carbon-carbon composite that becomes, heat-shock resistance, intensity, impact resistance can improve 50%～100% than general carbon graphite material, have good wear resistance simultaneously, be preferred material in space flight and aviation and the war industry.
Description of drawings
Fig. 1 is a device structure synoptic diagram of the present utility model.
Among the figure, 1. mediate still, 2. hot rolls, 3. mixing tank, 4. sponging granulator, 5. isostatic pressing machine 6. atmosphere protection stoving ovens, 7. high-pressure impregnation jar.
Embodiment:
Below in conjunction with accompanying drawing the utility model is further described.
A kind of isolated plant of producing carbon-carbon composite in the utility model; comprise and mediate still 1, hot rolls 2, mixing tank 3, sponging granulator 4, isostatic pressing machine 5, atmosphere protection stoving oven 6, high-pressure impregnation jar 7, it is characterized in that: technological process and the relevant device of producing carbon-carbon composite are followed successively by kneading still 1, hot rolls 2, mixing tank 3, sponging granulator 4, isostatic pressing machine 5, atmosphere protection stoving oven 6, high-pressure impregnation jar 7.Described atmosphere protection stoving oven 6, maturing temperature are 1300～1400 ℃, and once sintered density will reach 1.8g/cm3～2.25g/cm3.
The preparation carbon-carbon composite material be ultrafine powder be again the mixture of various materials, adopt mist projection granulating both can increase the flowability of powder, improve loose density, can prevent again in the mixture each component because of density different deposit with handling process in phenomenon such as segregation appears, be prepared into particle diameter 〉=60 purpose particles behind the grog mist projection granulating.
Isostatic pressing is adopted in the compression moulding of carbon-carbon composite, and products obtained therefrom has isotropic characteristics, and press face is with close perpendicular to press face direction folding strength, even air hole distribution, internal stress is little, roasting yield rate height, and compacting back density reaches 1.7～2.2g/cm3.
The atmosphere protection stoving oven; press heating curve and realize the accurate regulation and control of temperature; workspace uniformity of temperature profile in the stove; the temperature difference is no more than ± and 10 ℃, guarantee constant product quality, reduce the product oxidation simultaneously; shorten roasting time; improve yield rate, maturing temperature is 1300～1400 ℃, and once sintered density will reach 1.8g/cm3～2.25g/cm3.
The high-pressure impregnation jar is selected impregnation pressure between 3.5MPa-5.5MPa, improve dipping effect, improves product density, through the single-steeping re-baking density of carbon-carbon composite is reached more than the 2.35g/cm3.
Working process of the present utility model is: mediate in the still 1 at 200 liters and put into 80 parts of pitch coke powders, 8 parts of carbon blacks; Mix and pinched 0.8 hour; Start simultaneously and mediate the still heating installation, heated 0.8 hour, temperature rises to 110 ℃; Add 35 parts of molten molten coal-tar pitch, molten molten coal-tar pitch temperature is 150 ℃; Continue kneading temperature and rise to 145 ℃, insulation mixes pinches that can to go out to mediate still in 2.5 hours be the carbon dust material.
Get in 60 parts in carbon dust material and molten 40 parts of adding hot rollss 2 of molten coal-tar pitch, be rolled into 1.8mm thickness sheet, pressure 24MPa, wear into≤300 powder materials cooling temperature after the cooling: 24 ℃, coal-tar pitch accounts for total powder 30%.
Get carbon fiber A25 part, carbon fiber B10 part, three kinds of carbon fibers of carbon fiber C15 part and put into mixing tank 3 thorough mixing 45 minutes; Add polyvinyl alcohol content and be 75 parts of 3% the aqueous solution, 60 ℃ of water temperatures are mixed and were become carbon fiber mixing liquid in 1 hour, placement at normal temperatures, and the carbon fiber total amount accounts for mixing solutions 38.5%.
With 65 parts in the carbon dust material of above-mentioned preparation, 75 parts of carbon fiber mixing liquid, put into sponging granulator 4, simultaneous temperature rises to 130 ℃, keeps 3.5 hours, moisture evaporation 75～88%, material was with slightly and was wet this moment, and energy is agglomerating with holding, and fell out sponging granulator 4 when promptly loosing, put into plastics bag after cooling and seal cooling temperature: 15 ℃～30 ℃; Placed 36 hours, and be reentered into sponging granulator 4 again, temperature rises to 110 ℃, 1.5 hours time, and become dry powder and promptly finish, cooling is back with 60 mesh sieve vibration screening, room temperature :≤40 ℃.Be prepared into particle diameter 〉=60 purpose particles behind the mist projection granulating, carbon fiber accounts for powder 30%～32%.
In isostatic pressing machine 5, add 45 parts of additive paste, ceramics powder accounts for 15% of whole carbon-to-carbon powder summation, pressurizeed 1 hour, 130 ℃ of temperature add 80 parts of molten molten coal-tar pitch, 20 parts in carbolineum mixture, molten molten coal-tar pitch temperature is at 150 ℃, and it is 32% that molten molten coal-tar pitch accounts for whole grog; The temperature of heating keeps 160 ℃, and the time needs 4 hours, and compacting back density reaches 1.7～2.2g/cm3;
Advance roasting in the large-scale atmosphere protection stoving oven 6, temperature is 1300 ℃, and once sintered density reaches more than the 2.25g/cm3;
Roasting product is carried out the coal-tar pitch dipping in high-pressure impregnation jar 7, impregnation pressure is 3.5MPa-5.5MPa, dipping time: 2.5 hours, density reached more than the 2.30g/cm3.Pickled product is carried out roasting to 1200 ℃ again, and re-baking product density reaches more than the 2.35g/cm3, according to the finished product working condition requirement, and resin impregnating 2.5 hours, and solidify and be finished product in 13 hours.
The technical feature of carbon-carbon composite and conventional material relatively is described as follows:
This shows, the product that the utility model is produced, volume density improves, and void content dwindles, and Shore hardness, folding strength, ultimate compression strength all improve.
Claims (2)
1. isolated plant of producing carbon-carbon composite; comprise and mediate still, hot rolls, mixing tank, sponging granulator, isostatic pressing machine, atmosphere protection stoving oven, high-pressure impregnation jar, it is characterized in that: technological process and the relevant device of producing carbon-carbon composite are followed successively by kneading still, hot rolls, mixing tank, sponging granulator, isostatic pressing machine, atmosphere protection stoving oven, high-pressure impregnation jar.
2. a kind of isolated plant of producing carbon-carbon composite according to claim 1 is characterized in that: described atmosphere protection stoving oven, maturing temperature are 1300～1400 ℃, and once sintered density will reach 1.8g/cm3～2.25g/cm3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205870658U CN201908051U (en) | 2010-11-02 | 2010-11-02 | Special device for producing carbon-carbon composite material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205870658U CN201908051U (en) | 2010-11-02 | 2010-11-02 | Special device for producing carbon-carbon composite material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201908051U true CN201908051U (en) | 2011-07-27 |
Family
ID=44300256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205870658U Expired - Fee Related CN201908051U (en) | 2010-11-02 | 2010-11-02 | Special device for producing carbon-carbon composite material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201908051U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110436950A (en) * | 2019-08-15 | 2019-11-12 | 合肥工业大学 | A kind of preparation method of the compound Material for Pantograph Slide of carbon/carbon of high component carbon fiber |
-
2010
- 2010-11-02 CN CN2010205870658U patent/CN201908051U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110436950A (en) * | 2019-08-15 | 2019-11-12 | 合肥工业大学 | A kind of preparation method of the compound Material for Pantograph Slide of carbon/carbon of high component carbon fiber |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101544497B (en) | Production method for composite carbon graphite material | |
| CN105272254B (en) | A kind of preparation method of pantograph carbon slide material | |
| CN106698414A (en) | Raw material composition and method for preparing special graphite material | |
| CN105271197B (en) | A kind of method for preparing high-strength high-density isotropic graphite material | |
| CN101798221B (en) | Fine texture graphite material and preparation method thereof | |
| CN101665251B (en) | Preparing method of isotropic graphite | |
| CN105236983A (en) | Method for preparing high-speed train pantograph carbon sliding plate through new process | |
| CN111170757A (en) | Preparation method of special fine-particle graphite material | |
| CN108793151B (en) | Preparation method of isostatic pressing graphite with superfine structure | |
| CN105645397B (en) | It is a kind of for hyperfine structure graphite of EDM and preparation method thereof | |
| CN107602125A (en) | A kind of fine grained, high density, the preparation method of high purity graphite material | |
| CN108706973A (en) | A kind of preparation method of high intensity high-heat conductivity graphite material | |
| CN108640681A (en) | A kind of preparation method of special graphite carbon material | |
| CN109133927A (en) | A kind of short flow process of high performance graphite material | |
| CN109081697A (en) | It is a kind of to prepare B4The method of C/SiC composite ceramic | |
| CN115108833B (en) | Continuous casting graphite material and preparation method thereof | |
| CN106478102A (en) | High-density ultra-fine pore structure graphite production processes | |
| CN101164953A (en) | Ultra-fine expanded perlite product and preparation method thereof | |
| CN107311686A (en) | A kind of novel preparation process of graphite electrode | |
| CN106830967B (en) | Heat-resistant high-strength carbon/ceramic fastener and preparation method thereof | |
| CN201908051U (en) | Special device for producing carbon-carbon composite material | |
| CN102491779A (en) | Method for improving poriness of alumina ceramic mold core | |
| CN102260884B (en) | Method for preparing blocky graphite anode with high density and low resistivity in short process | |
| CN101659550B (en) | Method for preparing metal impregnation carbon/graphite material | |
| CN102659100A (en) | Preparation method of high-density fine-grain graphite material |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110727 Termination date: 20151102 |
|
| EXPY | Termination of patent right or utility model |