CN102408104A - Carbon material shaping method - Google Patents
Carbon material shaping method Download PDFInfo
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- CN102408104A CN102408104A CN2011102192604A CN201110219260A CN102408104A CN 102408104 A CN102408104 A CN 102408104A CN 2011102192604 A CN2011102192604 A CN 2011102192604A CN 201110219260 A CN201110219260 A CN 201110219260A CN 102408104 A CN102408104 A CN 102408104A
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- mixture
- carbon material
- powder
- material forming
- forming method
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
- C04B35/52—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbon, e.g. graphite
- C04B35/528—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbon, e.g. graphite obtained from carbonaceous particles with or without other non-organic components
- C04B35/532—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbon, e.g. graphite obtained from carbonaceous particles with or without other non-organic components containing a carbonisable binder
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/48—Organic compounds becoming part of a ceramic after heat treatment, e.g. carbonising phenol resins
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Carbon And Carbon Compounds (AREA)
- Ceramic Products (AREA)
Abstract
The invention discloses a carbon material shaping method which can be used for achieving one-time shaping of a carbon material, further improving the production efficiency, realizing the high productivity, reducing the resource waste and pollution and lowering the cost. The method comprises the following steps: 1. preparing a first mixture, wherein bamboo charcoal powder accounts for 50-80wt%, calcined coke powder accounts for 10-25wt%, and the particle sizes of the bamboo charcoal powder, the calcined coke powder and raw coke powder are 50-200 meshes; 2. preparing a second mixture, wherein an adhesive accounts for 15-40wt%; 3. drying the second mixture at the drying temperature of at least 50 DEG C for at least 50 minutes to obtain a third mixture; 4. pulverizing the third mixture to obtain a fourth mixture, wherein the particle size of the fourth mixture is any one value of 50-200 meshes; and 5. placing the fourth mixture in a mold, and carrying out one-time shaping to obtain a product, wherein the shaping temperature is at least 80 DEG C, the shaping dwell pressure is at least 20 tons and the shaping dewell time is at least 2 minutes.
Description
Technical field
The present invention relates to the carbon material field shaping technique, specifically is a kind of carbon material forming method.
Background technology
Charcoal and graphite material are to be main nonmetal solid material with the carbon, the material formed by non-graphite matter carbon basically of raw material of wood-charcoal material wherein, and graphite material then is the material of being made up of graphite matter carbon basically.For for simplicity, also be referred to as carbon material (or carbon material) to charcoal and graphite material sometimes.Carbon material is a ceramic, has the physicochemical property of a lot of uniquenesses, i.e. light weight, porousness, electroconductibility; Thermal conductivity, erosion resistance, oilness, hot strength, thermotolerance; Resistance to sudden heating, low-thermal-expansion, low elasticity, high purity; Workabilitys etc. we can say, carbon material has the characteristic of metal, pottery and three kinds of main solid materials of organic polymer concurrently, and carbon material has above-mentioned three kinds of character that material does not have; Such as higher than spring rate and specific tenacity, the damping rate is big, and good biocompatibility has characteristics such as self lubricity and neutron degradation ability.
Since carbon material came out, the key subjects that the carbon material forming method is researched and developed as various countries always were in practical application; At present the carbon material forming method is generally processed behind the blank mechanical workout more earlier in the world wide, and this method is not only time-consuming takes a lot of work, the waste resource; Increase and pollute, cost is high, and produces long in time limit; Inefficiency in order to overcome these defectives, realizes that the carbon material once shaped is to seek the problem that solves both at home and abroad always.
Summary of the invention
The technical problem that the present invention will solve is, overcomes the shortcoming of above prior art, provides a kind of and can realize the carbon material once shaped; And then significantly enhance productivity; Realize high production capacity, reduce resource waste and pollution, the carbon material forming method that reduces cost.
Technical scheme of the present invention is, a kind of carbon material forming method is provided, and comprises following steps; 1, with bamboo charcoal powder, forge coke powder, coking powder is mixed and made into first mixture, in first mixture, the weight ratio that bamboo charcoal powder accounts for is 50～80%; Forging the weight ratio that coke powder accounts for is 10～25%, and remaining is coking powder, and bamboo charcoal powder, the particle size of forging coke powder, coking powder are arbitrary value in 50～200 orders; 2, first mixture and sticker are mixed and made into second mixture, in second mixture, the weight ratio that sticker accounts for is 15～40%; 3, the second mixture drying treatment is processed the 3rd mixture, drying temperature is at least 50 ℃, is at least 50min time of drying; 4, the 3rd mixture pulverization process is processed 4 mixture, the particle size of 4 mixture is arbitrary value in 50～200 orders, 5,4 mixture is put into the mould once shaped become goods; Mold temperature is at least 80 ℃, and the moulding dwell pressure is at least 20 tons, and the moulding dwell time is at least 2min.
After adopting aforesaid method, the present invention compared with prior art has following remarkable advantage and beneficial effect: adopt step provided by the invention and prescription; Through actual production, can realize once shaped easily, and then significantly enhance productivity; Realize high production capacity, reduce resource waste and pollution, reduce cost; And can satisfy the roasting requirement through above-mentioned steps and the goods that obtain of prescription, the roasting yield rate is high.
As improvement, it also comprises, 6, with said goods roasting finished product, and maturing temperature is at least 600 ℃; Roasting time was at least 5 hours, and under above-mentioned roasting condition, the yield rate that roasting obtains is high; End properties is good, and each additive can make in the finished product carbon content high as far as possible carbonization in the finished product.
As further improvement, before the roasting said product dried to be handled, drying temperature is at least 80 ℃; Be at least 30 min time of drying, after handling like this, can stacks be put away roasting; And need not placed apartly separately one by one, make roasting efficient improve greatly.
As further improvement, in the roasting process, the roasting chamber is sealing or vacuum; Like this; Can prevent the influence to roasting of outside air or inner air and outer air, each additive with abundant carbonization and hardly can be by dioxygen oxidation in the air in the finished product, can make that carbon content accounts for more than 99% in the finished product.
As further improvement; First mixture and sticker hybrid mode roll when being stirring, like this, sticker are uniformly distributed between the powder of mixture; Or even in each particle space or hole that itself have; More help when moulding, combining between powder, make moulding easy, product properties is good.
As further improvement, in the 3rd mixture or 4 mixture, sneak into terepthaloyl moietie or edible oil, the weight ratio that terepthaloyl moietie or edible oil account for is at least 0.001%; Like this, no matter be to sneak in the 3rd mixture to be crushed into 4 mixture again, still directly sneak at 4 mixture; Final purpose all is to make 4 mixture be mixed with edible oil, and edible oil helps increasing the flowability of mixture, is beneficial to the moulding and the demoulding; And edible oil is nontoxic, more meets health requirements.
As further improvement, in the 3rd mixture or 4 mixture, sneak into Triple Pressed Stearic Acid or Zinic stearas, the weight ratio that Triple Pressed Stearic Acid or Zinic stearas account for is at least 0.0001%; Like this; Finally, be mixed with Triple Pressed Stearic Acid in the 4 mixture, Triple Pressed Stearic Acid helps the demoulding in the moulding process.
As further improvement, with the 4 mixture preheating, preheating temperature is at least 60 ℃, like this, can increase the flowability of 4 mixture, is beneficial to moulding, and enhances productivity.
Embodiment
Below in conjunction with specific embodiment the present invention is described further.
Carbon material forming method of the present invention comprises following steps, 1, with bamboo charcoal powder, forge coke powder, coking powder is mixed and made into first mixture; In first mixture, the weight ratio that bamboo charcoal powder accounts for is 50～80%, and forging the weight ratio that coke powder accounts for is 10～25%; Remaining is coking powder, and bamboo charcoal powder, the particle size of forging coke powder, coking powder are arbitrary value in 50～200 orders, 2, first mixture and sticker are mixed and made into second mixture; In second mixture, the weight ratio that sticker accounts for is 15～40%, 3, the second mixture drying treatment is processed the 3rd mixture; Drying temperature is at least 50 ℃, is at least 50min time of drying, and 4, the 3rd mixture pulverization process is processed 4 mixture; The particle size of 4 mixture is arbitrary value in 50～200 orders, 5,4 mixture is put into the mould once shaped become goods, and mold temperature is at least 80 ℃; The moulding dwell pressure is at least 20 tons, and the moulding dwell time is at least 2min, and mould adopts existing compression molding techniques to get final product; Press adopts four post oil presses, for the ease of the demoulding, can adopt releasing agent to help the demoulding; 6, with said goods roasting finished product, maturing temperature is at least 600 ℃, and roasting time was at least 5 hours.
Before the roasting said product dried is handled, drying temperature is at least 80 ℃, is at least 30min time of drying.
In the roasting process, the roasting chamber is sealing or vacuum.
Said bamboo charcoal powder, forge coke powder, coking powder and all handle through 2600 ℃ of high temperature actives.
First mixture and sticker hybrid mode roll when being stirring.
In the 3rd mixture or 4 mixture, sneak into terepthaloyl moietie or edible oil, the weight ratio that terepthaloyl moietie or edible oil account for is at least 0.001%, and this edible oil can be rapeseed oil.
In the 3rd mixture or 4 mixture, sneak into Triple Pressed Stearic Acid or Zinic stearas, the weight ratio that Triple Pressed Stearic Acid or Zinic stearas account for is at least 0.0001%.
With the 4 mixture preheating, preheating temperature is at least 60 ℃, can be placed on preheating in the heating unit separately, also can be placed directly in the forming cavity the inside of mould, makes the mould that has been heated carry out preheating to 4 mixture through stirring.
Said sticker is a lignin phenol formaldehyde resin.
To the processing of polishing of said goods or finished product, purpose is to make goods or finished surface quality and shape better and be suitable for coating.
Through step 6 accounting of carbon content in goods resistance to elevated temperatures, intensity, hardness and the finished product is further improved, and be suitable for heating installations such as electromagnetic oven, thereby satisfy some product requirements, such as pot, roasting plate, frying pan etc.And some products are used radiator element such as computer, and need not roasting can directly use, but under the situation that cost allows, then better through roasting.
Pot with daily in the moulding life is an example, and roasting plate, frying pan, computer are similar with radiator element etc., and difference is that the shape of forming cavity of used pressing mold is different, stamper architecture and be fabricated to prior art,
First kind of scheme: in first mixture, the weight ratio that bamboo charcoal powder accounts for is 60%, and forging the weight ratio that coke powder accounts for is 20%; Remaining is coking powder; The particle size of bamboo charcoal powder is 80 orders, and the particle size of forging coke powder is 100 orders, and the particle size of coking powder is 120 orders; In second mixture, the weight ratio that lignin phenol formaldehyde resin accounts for is 15%; Drying temperature in the step 3 is 50 ℃, and be 70min time of drying; In the step 4, the particle size of 4 mixture is 50 orders; In the step 5, mold temperature is 135 ℃, and the moulding dwell pressure is 120 tons, and the moulding dwell time is 5min; Before the roasting said product dried is handled, drying temperature is 330 ℃, and be 30min time of drying; Maturing temperature is 850 ℃, and roasting time is 48 hours.The pan of making like this has that thermal conductivity is high, accumulation of heat is effective, far-infrared functional is strong, light specific gravity, high thermal resistance good, anti-be cold be hot good, anion function; High thermal resistance is meant well; In the air high temperature resistant 350 ℃; High temperature resistant more than 3000 ℃ in the protective atmosphere, anti-be cold be hotly to be meant well, can reach in the temperature of pot more than 350 ℃ and put into the cold water quenching.
Second kind of scheme: in first mixture, the weight ratio that bamboo charcoal powder accounts for is 80%, and forging the weight ratio that coke powder accounts for is 10%; Remaining is coking powder; The particle size of bamboo charcoal powder is 100 orders, and the particle size of forging coke powder is 120 orders, and the particle size of coking powder is 80 orders; In second mixture, the weight ratio that lignin phenol formaldehyde resin accounts for is 28%; Drying temperature in the step 3 is 85 ℃, and be 50min time of drying; In the step 4, the particle size of 4 mixture is 80 orders; In the step 5, mold temperature is 190 ℃, and the moulding dwell pressure is 150 tons, and the moulding dwell time is 7min; Before the roasting said product dried is handled, drying temperature is 200 ℃, and be 50min time of drying; Maturing temperature is 600 ℃, and roasting time is 60 hours.
The third scheme: in first mixture, the weight ratio that bamboo charcoal powder accounts for is 50%, and forging the weight ratio that coke powder accounts for is 25%; Remaining is coking powder; The particle size of bamboo charcoal powder is 200 orders, and the particle size of forging coke powder is 50 orders, and the particle size of coking powder is 150 orders; In second mixture, the weight ratio that lignin phenol formaldehyde resin accounts for is 40%; Drying temperature in the step 3 is 70 ℃, and be 120min time of drying; In the step 4, the particle size of 4 mixture is 200 orders; In the step 5, mold temperature is 100 ℃, and the moulding dwell pressure is 200 tons, and the moulding dwell time is 10min; Before the roasting said product dried is handled, drying temperature is 100 ℃, and be 150min time of drying; Maturing temperature is 1300 ℃, and roasting time is 24 hours.
The weight ratio that terepthaloyl moietie or edible oil, Triple Pressed Stearic Acid or Zinic stearas account for is respectively 0.001%, 0.0001%; The weight ratio that terepthaloyl moietie or edible oil, Triple Pressed Stearic Acid or Zinic stearas account for can be respectively 0.015%, 0.0095%; The weight ratio that terepthaloyl moietie or edible oil, Triple Pressed Stearic Acid or Zinic stearas account for can be respectively 0.031%, 0.010%, and the weight ratio that terepthaloyl moietie or edible oil, Triple Pressed Stearic Acid or Zinic stearas account for can be respectively 0.04%, 0.015%.
Claims (9)
1. a carbon material forming method is characterized in that, comprises following steps; 1, with bamboo charcoal powder, forge coke powder, coking powder is mixed and made into first mixture, in first mixture, the weight ratio that bamboo charcoal powder accounts for is 50～80%; Forging the weight ratio that coke powder accounts for is 10～25%, and remaining is coking powder, and bamboo charcoal powder, the particle size of forging coke powder, coking powder are arbitrary value in 50～200 orders; 2, first mixture and sticker are mixed and made into second mixture, in second mixture, the weight ratio that sticker accounts for is 15～40%; 3, the second mixture drying treatment is processed the 3rd mixture, drying temperature is at least 50 ℃, is at least 50min time of drying; 4, the 3rd mixture pulverization process is processed 4 mixture, the particle size of 4 mixture is arbitrary value in 50～200 orders, 5,4 mixture is put into the mould once shaped become goods; Mold temperature is at least 80 ℃, and the moulding dwell pressure is at least 20 tons, and the moulding dwell time is at least 2min.
2. carbon material forming method according to claim 1 is characterized in that, it also comprises, 6, with said goods roasting finished product, and maturing temperature is at least 600 ℃, and roasting time was at least 5 hours.
3. carbon material forming method according to claim 2 is characterized in that, before the roasting said product dried is handled, and drying temperature is at least 80 ℃, is at least 30min time of drying.
4. carbon material forming method according to claim 2 is characterized in that, in the roasting process, the roasting chamber is sealing or vacuum.
5. carbon material forming method according to claim 1 is characterized in that, first mixture and sticker hybrid mode roll when being stirring.
6. carbon material forming method according to claim 1 is characterized in that, in the 3rd mixture or 4 mixture, sneaks into terepthaloyl moietie or edible oil, and the weight ratio that terepthaloyl moietie or edible oil account for is at least 0.001%.
7. carbon material forming method according to claim 1 is characterized in that, in the 3rd mixture or 4 mixture, sneaks into Triple Pressed Stearic Acid or Zinic stearas, and the weight ratio that Triple Pressed Stearic Acid or Zinic stearas account for is at least 0.0001%.
8. according to claim 1 or 6 or 7 described carbon material forming methods, it is characterized in that with the 4 mixture preheating, preheating temperature is at least 60 ℃.
9. carbon material forming method according to claim 1 is characterized in that, said sticker is a lignin phenol formaldehyde resin.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102192604A CN102408104B (en) | 2011-08-02 | 2011-08-02 | Carbon material shaping method |
| PCT/CN2012/079467 WO2013017075A1 (en) | 2011-08-02 | 2012-08-01 | Carbon material molding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102192604A CN102408104B (en) | 2011-08-02 | 2011-08-02 | Carbon material shaping method |
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| Publication Number | Publication Date |
|---|---|
| CN102408104A true CN102408104A (en) | 2012-04-11 |
| CN102408104B CN102408104B (en) | 2013-02-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102192604A Expired - Fee Related CN102408104B (en) | 2011-08-02 | 2011-08-02 | Carbon material shaping method |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102408104B (en) |
| WO (1) | WO2013017075A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102826790A (en) * | 2012-08-29 | 2012-12-19 | 冯剑静 | Full-carbon pot and preparation method thereof |
| WO2013017075A1 (en) * | 2011-08-02 | 2013-02-07 | 杭州福康炊具有限公司 | Carbon material molding method |
| CN104671231A (en) * | 2015-02-15 | 2015-06-03 | 杭州福康炊具有限公司 | Molding method of carbon material |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1048834A (en) * | 1990-05-18 | 1991-01-30 | 东新电碳厂 | The manufacture method of carbon materials |
| CN1195652A (en) * | 1998-01-13 | 1998-10-14 | 南通碳素厂 | Porous carbon material producing process |
| CN101186291A (en) * | 2007-07-27 | 2008-05-28 | 徐东耀 | Composite carbon element material and preparation method thereof |
| CN101774569A (en) * | 2010-01-22 | 2010-07-14 | 浙江大学 | Preparation method of calcium carbide formed coke |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101969703B (en) * | 2010-10-28 | 2012-06-27 | 上海尚诺碳晶科技有限公司 | Medium-high temperature carbon crystal electric heating material, medium-high temperature carbon crystal electric heating plate and relevant preparation method |
| CN102050441B (en) * | 2011-01-14 | 2012-11-21 | 浙江民心生态科技有限公司 | Production method of biomass charcoal product |
| CN102408104B (en) * | 2011-08-02 | 2013-02-13 | 杭州福康炊具有限公司 | Carbon material shaping method |
| CN102499573A (en) * | 2011-11-18 | 2012-06-20 | 宁海县六六电器有限公司 | Charcoal cooker and manufacturing process thereof |
-
2011
- 2011-08-02 CN CN2011102192604A patent/CN102408104B/en not_active Expired - Fee Related
-
2012
- 2012-08-01 WO PCT/CN2012/079467 patent/WO2013017075A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1048834A (en) * | 1990-05-18 | 1991-01-30 | 东新电碳厂 | The manufacture method of carbon materials |
| CN1195652A (en) * | 1998-01-13 | 1998-10-14 | 南通碳素厂 | Porous carbon material producing process |
| CN101186291A (en) * | 2007-07-27 | 2008-05-28 | 徐东耀 | Composite carbon element material and preparation method thereof |
| CN101774569A (en) * | 2010-01-22 | 2010-07-14 | 浙江大学 | Preparation method of calcium carbide formed coke |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013017075A1 (en) * | 2011-08-02 | 2013-02-07 | 杭州福康炊具有限公司 | Carbon material molding method |
| CN102826790A (en) * | 2012-08-29 | 2012-12-19 | 冯剑静 | Full-carbon pot and preparation method thereof |
| CN104671231A (en) * | 2015-02-15 | 2015-06-03 | 杭州福康炊具有限公司 | Molding method of carbon material |
| CN104671231B (en) * | 2015-02-15 | 2016-08-03 | 杭州福康炊具有限公司 | Carbon material shaping method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102408104B (en) | 2013-02-13 |
| WO2013017075A1 (en) | 2013-02-07 |
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