CN102408104B - Carbon material shaping method - Google Patents
Carbon material shaping method Download PDFInfo
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- CN102408104B CN102408104B CN2011102192604A CN201110219260A CN102408104B CN 102408104 B CN102408104 B CN 102408104B CN 2011102192604 A CN2011102192604 A CN 2011102192604A CN 201110219260 A CN201110219260 A CN 201110219260A CN 102408104 B CN102408104 B CN 102408104B
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- mixture
- carbon material
- powder
- material shaping
- shaping 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
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 shaping method.
Background technology
Charcoal and graphite material are take carbon as main nonmetal solid material, the material that basically formed by non-graphite matter carbon of Carbon Materials wherein, and graphite material then is the material that basically is comprised of graphite matter carbon.For for simplicity, sometimes also charcoal and graphite material are referred to as carbon material (or carbon material).Carbon material is 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, workability etc., can say that carbon material has metal concurrently, the characteristic of pottery and three kinds of main solid materials of organic polymer, 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 large, and good biocompatibility has the characteristics such as self lubricity and neutron degradation ability.
Since carbon material comes out, carbon material shaping method is always as the key subjects of various countries research and development, and in actual applications, carbon material shaping method is generally made first behind the blank again mechanical workout in the world wide at present, this method is time-consuming taking a lot of work not only, the waste resource increases and pollutes, and cost is high, and produce 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 to be solved in the present invention 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, reduce the carbon material shaping method of cost.
Technical scheme of the present invention is, a kind of carbon material shaping method is provided, comprise following steps, 1, with bamboo charcoal powder, forge coke powder, coking powder is mixed and made into the first mixture, in the 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%, remaining is coking powder, bamboo charcoal powder, forge coke powder, the granular size of coking powder is arbitrary value in 50～200 orders, 2, the first mixture and binding agent are mixed and made into the second mixture, in the second mixture, the weight ratio that binding agent accounts for is 15～40%, 3, the second mixture drying treatment is made the 3rd mixture, and drying temperature is at least 50 ℃, is at least 50min time of drying, 4, the 3rd mixture pulverization process is made 4 mixture, the granular 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 ℃, 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, have following remarkable advantage and beneficial effect: adopt step provided by the invention and prescription, through actual production, can realize easily once shaped, 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 described goods roasting finished product, and maturing temperature is at least 600 ℃, roasting time is 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 described product dried to be processed, drying temperature is at least 80 ℃, be at least 30 min time of drying, after processing like this, stacks can be put away roasting, and need not separated separately one by one so that roasting efficient improves greatly.
As further improvement, in the roasting process, the roasting chamber is sealing or vacuum, like this, can prevent outside air or inner air and outer air to the impact of roasting, 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, the first mixture and binding agent hybrid mode roll when being stirring, like this, binding agent is uniformly distributed between the powder of mixture, or even in each particle space or hole that itself have, more be conducive to combination between powder when moulding, make moulding easy, product properties is good.
As further improvement, in the 3rd mixture or 4 mixture, sneak into ethylene glycol or edible oil, the weight ratio that ethylene glycol 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 again 4 mixture, still directly sneak at 4 mixture, final purpose all is to make 4 mixture be mixed with edible oil, and edible oil is conducive to increase the flowability of mixture, is beneficial to 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 stearic acid or Zinic stearas, the weight ratio that stearic acid or Zinic stearas account for is at least 0.0001%, like this, finally, be mixed with stearic acid in the 4 mixture, stearic acid is conducive to 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
The invention will be further described below in conjunction with specific embodiment.
Carbon material shaping method of the present invention, comprise following steps, 1, with bamboo charcoal powder, forge coke powder, coking powder is mixed and made into the first mixture, in the 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%, remaining is coking powder, bamboo charcoal powder, forge coke powder, the granular size of coking powder is arbitrary value in 50～200 orders, 2, the first mixture and binding agent are mixed and made into the second mixture, in the second mixture, the weight ratio that binding agent accounts for is 15～40%, 3, the second mixture drying treatment is made the 3rd mixture, drying temperature is at least 50 ℃, be at least 50min time of drying, 4, the 3rd mixture pulverization process is made 4 mixture, the granular 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 ℃, the moulding dwell pressure is at least 20 tons, the moulding dwell time is at least 2min, 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 described goods roasting finished product, maturing temperature is at least 600 ℃, and roasting time is at least 5 hours.
Before the roasting described product dried is processed, drying temperature is at least 80 ℃, is at least 30min time of drying.
In the roasting process, the roasting chamber is sealing or vacuum.
Described bamboo charcoal powder, forge coke powder, coking powder and all process through 2600 ℃ of high temperature actives.
The first mixture and binding agent hybrid mode roll when being stirring.
Sneak into ethylene glycol or edible oil in the 3rd mixture or 4 mixture, the weight ratio that ethylene glycol or edible oil account for is at least 0.001%, and this edible oil can be rapeseed oil.
Sneak into stearic acid or Zinic stearas in the 3rd mixture or 4 mixture, the weight ratio that 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 separately preheating in the heating unit, 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 by stirring.
Described binding agent is lignin phenol formaldehyde resin.
Described goods or finished product are carried out grinding process, and purpose is to make goods or finished surface quality and shape better and be suitable for coating.
By 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 the heating installations such as electromagnetic oven, thereby satisfy some product requirements, such as pot, roasting plate, frying pan etc.And some products such as radiating fin for computer, need not roasting can directly use, but in the situation that cost allows, then better through roasting.
Pot daily in the moulding life is as example, and roasting plate, frying pan, radiating fin for computer etc. are similar, and difference is that the shape of forming cavity of used pressing mold is different, stamper architecture and be fabricated to prior art,
The first scheme: in the 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 granular size of bamboo charcoal powder is 80 orders, and the granular size of forging coke powder is 100 orders, and the granular size of coking powder is 120 orders; In the 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 granular 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 described product dried is processed, 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 refers to well; in the air high temperature resistant 350 ℃; high temperature resistant more than 3000 ℃ in the protective atmosphere; anti-be cold be hotly to refer to well, can reach in the temperature of pot more than 350 ℃ and put into the cold water quenching.
First scheme: in the 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 granular size of bamboo charcoal powder is 100 orders, and the granular size of forging coke powder is 120 orders, and the granular size of coking powder is 80 orders; In the 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 granular 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 described product dried is processed, drying temperature is 200 ℃, and be 50min time of drying; Maturing temperature is 600 ℃, and roasting time is 60 hours.
The third scheme: in the 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 granular size of bamboo charcoal powder is 200 orders, and the granular size of forging coke powder is 50 orders, and the granular size of coking powder is 150 orders; In the 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 granular 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 described product dried is processed, drying temperature is 100 ℃, and be 150min time of drying; Maturing temperature is 1300 ℃, and roasting time is 24 hours.
The weight ratio that ethylene glycol or edible oil, stearic acid or Zinic stearas account for is respectively 0.001%, 0.0001%, the weight ratio that ethylene glycol or edible oil, stearic acid or Zinic stearas account for can be respectively 0.015%, 0.0095%, the weight ratio that ethylene glycol or edible oil, stearic acid or Zinic stearas account for can be respectively 0.031%, 0.010%, and the weight ratio that ethylene glycol or edible oil, stearic acid or Zinic stearas account for can be respectively 0.04%, 0.015%.
Claims (9)
1. carbon material shaping method, it is characterized in that, comprise following steps, 1, with bamboo charcoal powder, forge coke powder, coking powder is mixed and made into the first mixture, in the 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%, remaining is coking powder, bamboo charcoal powder, forge coke powder, the granular size of coking powder is arbitrary value in 50～200 orders, 2, the first mixture and binding agent are mixed and made into the second mixture, in the second mixture, the weight ratio that binding agent accounts for is 15～40%, 3, the second mixture drying treatment is made the 3rd mixture, and drying temperature is at least 50 ℃, is at least 50min time of drying, 4, the 3rd mixture pulverization process is made 4 mixture, the granular 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 ℃, the moulding dwell pressure is at least 20 tons, and the moulding dwell time is at least 2min.
2. carbon material shaping method according to claim 1 is characterized in that, it also comprises, 6, with described goods roasting finished product, and maturing temperature is at least 600 ℃, and roasting time is at least 5 hours.
3. carbon material shaping method according to claim 2 is characterized in that, before the roasting described product dried is processed, and drying temperature is at least 80 ℃, is at least 30min time of drying.
4. carbon material shaping method according to claim 2 is characterized in that, in the roasting process, the roasting chamber is sealing or vacuum.
5. carbon material shaping method according to claim 1 is characterized in that, the first mixture and binding agent hybrid mode roll when being stirring.
6. carbon material shaping method according to claim 1 is characterized in that, sneaks into ethylene glycol or edible oil in the 3rd mixture or 4 mixture, and the weight ratio that ethylene glycol or edible oil account for is at least 0.001%.
7. carbon material shaping method according to claim 1 is characterized in that, sneaks into stearic acid or Zinic stearas in the 3rd mixture or 4 mixture, and the weight ratio that stearic acid or Zinic stearas account for is at least 0.0001%.
8. according to claim 1 or 6 or 7 described carbon material shaping methods, it is characterized in that with the 4 mixture preheating, preheating temperature is at least 60 ℃.
9. carbon material shaping method according to claim 1 is characterized in that, described binding agent is 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102408104A CN102408104A (en) | 2012-04-11 |
| CN102408104B true CN102408104B (en) | 2013-02-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102192604A Expired - Fee Related CN102408104B (en) | 2011-08-02 | 2011-08-02 | Carbon material shaping method |
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| Country | Link |
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| CN (1) | CN102408104B (en) |
| WO (1) | WO2013017075A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102408104B (en) * | 2011-08-02 | 2013-02-13 | 杭州福康炊具有限公司 | Carbon material shaping method |
| CN102826790A (en) * | 2012-08-29 | 2012-12-19 | 冯剑静 | Full-carbon pot and preparation method thereof |
| CN104671231B (en) * | 2015-02-15 | 2016-08-03 | 杭州福康炊具有限公司 | Carbon material shaping method |
Family Cites Families (8)
| 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 |
| CN1076011C (en) * | 1998-01-13 | 2001-12-12 | 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 |
| CN101774569B (en) * | 2010-01-22 | 2011-12-28 | 浙江大学 | Preparation method of calcium carbide formed coke |
| 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
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2012
- 2012-08-01 WO PCT/CN2012/079467 patent/WO2013017075A1/en active Application Filing
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| Publication number | Publication date |
|---|---|
| CN102408104A (en) | 2012-04-11 |
| WO2013017075A1 (en) | 2013-02-07 |
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