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WO2013017075A1 - 炭素材料成型方法 - Google Patents

炭素材料成型方法 Download PDF

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Publication number
WO2013017075A1
WO2013017075A1 PCT/CN2012/079467 CN2012079467W WO2013017075A1 WO 2013017075 A1 WO2013017075 A1 WO 2013017075A1 CN 2012079467 W CN2012079467 W CN 2012079467W WO 2013017075 A1 WO2013017075 A1 WO 2013017075A1
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Prior art keywords
mixture
carbon material
weight ratio
coke powder
powder
Prior art date
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PCT/CN2012/079467
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English (en)
French (fr)
Inventor
陆建根
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HANGZHOU FUKANG KITCHENWARE CO Ltd
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HANGZHOU FUKANG KITCHENWARE CO Ltd
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Publication of WO2013017075A1 publication Critical patent/WO2013017075A1/zh
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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

Definitions

  • the invention relates to the technical field of carbon material forming, in particular to a carbon material forming method.
  • Carbon and graphite materials are non-metallic solid materials mainly composed of carbon materials, wherein the carbon materials are basically composed of non-graphitic carbon materials, and the graphite materials are materials composed substantially of graphitic carbon.
  • carbon materials or carbon materials.
  • Carbon material is an inorganic non-metallic material with many unique properties.
  • the carbon material has the characteristics of three main solid materials of metal, ceramic and organic polymer, and the carbon material has properties not possessed by the above three materials, such as high specific modulus and specific strength, large shock absorption rate, and biological Good compatibility, self-lubricating and neutron deceleration.
  • the technical problem to be solved by the present invention is to overcome the shortcomings of the above prior art, and to provide a carbon material forming method capable of realizing one-time forming of a carbon material, thereby greatly improving production efficiency, achieving high productivity, reducing resource waste and pollution, and reducing cost. .
  • the technical proposal of the present invention is to provide a carbon material forming method, comprising the following steps: 1. Mixing bamboo charcoal powder, calcined coke powder, and raw coke powder into a first mixture, wherein the weight of the bamboo charcoal powder in the first mixture The ratio is 50 ⁇ 80%, the weight ratio of the calcined powder is 10 ⁇ 25%, and the remaining is the raw coke powder.
  • the bamboo charcoal powder, the calcined coke powder and the raw coke powder have a particle size of 50 ⁇ 200 mesh.
  • the first mixture is mixed with a binder to form a second mixture. In the second mixture, the binder accounts for 15 to 40% by weight. 3.
  • the second mixture is dried to form a third mixture.
  • Drying temperature is at least 50 ° C
  • drying time is at least 50 min
  • 4 the third mixture is pulverized to form a fourth mixture
  • the fourth mixture has a particle size of any value from 50 to 200 mesh, 5, will be fourth
  • the mixture is placed into a mold to form a product at a time
  • the molding temperature is at least 80 ° C
  • the molding pressure is at least 20 tons
  • the molding pressure is at least 2 minutes.
  • the present invention has the following significant advantages and beneficial effects compared with the prior art:
  • the steps and formulas provided by the invention can be easily formed once by actual production, thereby greatly improving production efficiency, achieving high productivity, reducing waste of resources and pollution, and reducing cost, and the products obtained by the above steps and formulations can satisfy the roasting requirements.
  • the roasting yield is high.
  • the method further comprises: 6. calcining the product into a finished product, having a calcination temperature of at least 600 ° C and a calcination time of at least 5 hours. Under the calcination conditions, the calcination yield is high, the finished product performance is good, and the finished product is finished. Each of the additives will be carbonized to maximize the carbon content of the finished product.
  • the article is dried before calcination, the drying temperature is at least 80 ° C, and the drying time is at least 30 min. After such treatment, the products can be stacked and calcined without separate separation, so that roasting is performed. The efficiency is greatly improved.
  • the baking chamber is sealed or vacuumed, so that the influence of outside air or internal and external air on the roasting can be prevented, and the additives in the finished product will be sufficiently carbonized and hardly oxidized by oxygen in the air, so that the finished product can be The carbon content accounts for over 99%.
  • the first mixture and the binder are mixed while being stirred while being rolled, so that the binder can be evenly distributed between the powder particles of the mixture, even in the voids or pores of the respective particles themselves, It is beneficial to combine the powder particles during molding, which makes the molding easy and the product performance is good.
  • the third mixture or the fourth mixture is mixed with ethylene glycol or an edible oil, and the weight ratio of the ethylene glycol or the edible oil is at least 0.001%, so that the third mixture is mixed and pulverized.
  • the fourth mixture is directly mixed in the fourth mixture.
  • the ultimate goal is to mix the fourth mixture with edible oil.
  • the edible oil is beneficial to increase the fluidity of the mixture to facilitate molding and demoulding, and the edible oil is non-toxic and more Meets health requirements.
  • the third mixture or the fourth mixture is mixed with stearic acid or zinc stearate, and the weight ratio of stearic acid or zinc stearate is at least 0.000001%, thus, finally, in the fourth mixture.
  • stearic acid facilitates demolding during the molding process.
  • the fourth mixture is preheated at a preheating temperature of at least 60 ° C, so that the fluidity of the fourth mixture can be increased to facilitate molding and increase production efficiency.
  • the carbon material forming method of the present invention comprises the following steps: 1. Mixing bamboo charcoal powder, calcined coke powder and raw coke powder into a first mixture, wherein the weight ratio of bamboo charcoal powder is 50 to 80% in the first mixture, calcined The weight ratio of coke powder is 10 ⁇ 25%, and the remaining is coke powder. The particle size of bamboo charcoal powder, calcined coke powder and coke powder is 50 ⁇ 200 mesh. 2. The first mixture is sticky. The mixture is mixed to form a second mixture, and in the second mixture, the weight ratio of the binder is 15 ⁇ 40%, 3. The second mixture is dried to form a third mixture, the drying temperature is at least 50 ° C, the drying time is at least 50 min, 4.
  • the third mixture is pulverized to form a fourth mixture, the fourth mixture
  • the particle size is any value from 50 to 200 mesh. 5.
  • the fourth mixture is placed into the mold to form a product at a time.
  • the molding temperature is at least 80 ° C
  • the molding pressure is at least 20 tons
  • the molding pressure is at least 20 hours. 2min
  • the mold can be used in the existing compression molding technology
  • the press uses a four-column hydraulic press, in order to facilitate demolding
  • a release agent can be used to help demoulding
  • the product is baked into a finished product, the baking temperature is at least 600 ° C , roasting time is at least 5 hours.
  • the article is dried prior to calcination at a drying temperature of at least 80 ° C and a drying time of at least 30 min.
  • the firing chamber is sealed or vacuumed.
  • the bamboo charcoal powder, the calcined coke powder and the raw coke powder are all subjected to high temperature active treatment at 2600 °C.
  • the first mixture is mixed with the binder in a manner of being stirred while being rolled.
  • the ethylene glycol or the edible oil is mixed in the third mixture or the fourth mixture, and the weight ratio of the ethylene glycol or the edible oil is at least 0.001%.
  • the edible oil may be rapeseed oil.
  • the third or fourth mixture is mixed with stearic acid or zinc stearate, the weight ratio of stearic acid or zinc stearate is at least 0.0001%.
  • Preheating the fourth mixture is at least 60 ° C, can be preheated separately in the heating device, or directly placed in the molding cavity of the mold, and the heated mixture is pre-prepared to the fourth mixture by stirring heat.
  • the binder is a lignin phenolic resin.
  • the article or finished product is subjected to abrading treatment in order to make the surface or shape of the article or finished product better and suitable for plating.
  • step 6 the proportion of high temperature resistance, strength, hardness and carbon content in the finished product can be further improved, and it is suitable for heating equipment such as an induction cooker to meet some product requirements, such as a pot, a grill plate, a frying pan, and the like.
  • Some products, such as computer heat sinks, can be used directly without roasting, but are more preferably burned if cost permits.
  • a pan for daily use in a molding life a barbecue plate, a frying pan, a heat sink for a computer, and the like
  • the difference is that the shape of the molding cavity of the stamper used is different, and the die structure and manufacturing are prior art.
  • the first solution in the first mixture, the weight ratio of bamboo charcoal powder is 60%, the weight ratio of calcined coke powder is 20%, and the rest is green coke powder.
  • the particle size of bamboo charcoal powder is 80 mesh, calcined The particle size of the powder is 100 mesh, and the particle size of the raw coke powder is 120 mesh; in the second mixture, the weight ratio of the lignin phenolic resin is 15%; the drying temperature in the step 3 is 50 ° C, and the drying time is 70min; in step 4, the fourth mixture has a particle size of 50 mesh; in step 5, the molding temperature is 135 ° C, the molding holding pressure is 120 tons, and the molding holding time is 5 min; the product is dried before baking Drying treatment, drying temperature was 330 ° C, drying time was 30 min; calcination temperature was 850 ° C, and baking time was 48 hours.
  • the pot thus produced has high thermal conductivity, good heat storage effect, strong far infrared function, light specific gravity, high temperature resistance, good resistance to cold or heat, negative ion function, high temperature resistance means high temperature resistance in air 350 °C, the high temperature resistance in the protective atmosphere is above 3000 °C, and the resistance to cold or heat is good. It can be quenched in cold water when the temperature of the pot reaches 350 °C.
  • the second scheme in the first mixture, the weight ratio of bamboo charcoal powder is 80%, the weight ratio of calcined coke powder is 10%, the remaining is coke powder, and the particle size of bamboo charcoal powder is 100 mesh, calcined
  • the particle size of the powder is 120 mesh, and the particle size of the raw coke powder is 80 mesh
  • the weight ratio of the lignin phenolic resin in the second mixture, the weight ratio of the lignin phenolic resin is 28%
  • the drying temperature in the step 3 is 85 ° C, and the drying time is 50min
  • the fourth mixture has a particle size of 80 mesh
  • the molding temperature is 190 ° C, the molding holding pressure is 150 tons, and the molding holding time is 7 min
  • the product is dried before baking.
  • the drying temperature is 200 ° C, the drying time is 50 min; the baking temperature is 600 ° C, and the baking time is 60 hours.
  • the third scheme In the first mixture, the weight ratio of bamboo charcoal powder is 50%, the weight ratio of calcined coke powder is 25%, and the rest is green coke powder.
  • the particle size of bamboo charcoal powder is 200 mesh, calcined
  • the particle size of the powder is 50 mesh, and the particle size of the raw coke powder is 150 mesh;
  • the weight ratio of the lignin phenolic resin is 40%;
  • the drying temperature in the step 3 is 70 ° C, and the drying time is 120min;
  • the fourth mixture has a particle size of 200 mesh; in step 5, the molding temperature is 100 ° C, the molding holding pressure is 200 tons, and the molding dwell time is 10 min; the product is dried before baking.
  • the drying temperature is 100 ° C, the drying time is 150 min;
  • the calcination temperature is 1300 ° C, and the baking time is 24 hours.
  • the weight ratio of ethylene glycol or edible oil, stearic acid or zinc stearate is 0.001%, 0.0001%, the weight ratio of ethylene glycol or edible oil, stearic acid or zinc stearate.
  • 031%, 0. 010%, ethylene glycol or edible, respectively, may be 0. 01%, 0. 010%, and the weight ratio of ethylene glycol or edible oil, stearic acid or zinc stearate, respectively. O. 01% ⁇ 0% by weight of 0. 04%, 0. 015%.

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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

本发明公开了一种能够实现炭素材料一次成型，进而大幅提高生产效率，实现高产能，减少资源浪费和污染，降低成本的炭素材料成型方法，1、第一混合物，竹炭粉占的重量比为50～80%，煅焦粉占的重量比为10～25%，竹炭粉、煅焦粉、生焦粉的颗粒大小为50～200目，2、第二混合物，粘结剂占的重量比为15～40%，3、将第二混合物干燥处理制成第三混合物，干燥温度至少为50℃，干燥时间至少为50min，4、将第三混合物粉碎处理制成第四混合物，第四混合物的颗粒大小为50～200目中任一值，5、将第四混合物放入模具内一次成型成制品，成型温度至少为80℃，成型保压压力至少为20吨，成型保压时间至少为2min。

Description

炭素材料成型方法 技术领域
本发明涉及炭素材料成型技术领域， 具体讲是一种炭素材料成型方法。
背景技术
炭和石墨材料是以碳元素为主的非金属固体材料， 其中炭材料基本上由非石墨质碳组成 的材料， 而石墨材料则是基本上由石墨质碳组成的材料。 为了简便起见， 有时也把炭和 石墨材料统称为炭素材料（或碳材料）。 炭素材料是无机非金属材料， 具有很多独特的物 说
理化学性质， 即轻量， 多孔性， 导电性， 导热性， 耐腐蚀性， 润滑性， 高温强度， 耐热 性， 耐热冲击性， 低热膨胀， 低弹性， 高纯度， 可加工性等， 可以说， 炭素材料兼有金 属、 陶瓷和有机高分子三种主要固体材料的特性书， 并且炭素材料具有上述三种材料不具 有的性质， 比如比弹性率和比强度高， 减震率大， 生物相容性好， 具有自润滑性及中子 减速能力等特点。
自炭素材料问世以来， 炭素材料成型方法一直作为各国研发的重大课题， 在实际应 用中， 目前世界范围内炭素材料成型方法一般先制成毛坯后再机械加工， 这种方法不但 费时费工， 浪费资源， 增加污染， 成本高， 而且生产工期长， 效率低下， 为了克服这些 缺陷， 实现炭素材料一次成型是国内外一直谋求解决的问题。
发明内容
本发明要解决的技术问题是， 克服以上现有技术的缺点， 提供一种能够实现炭素材料 一次成型， 进而大幅提高生产效率， 实现高产能， 减少资源浪费和污染， 降低成本的炭素 材料成型方法。
本发明的技术方案是， 提供一种炭素材料成型方法， 包含以下步骤， 1、 将竹炭粉、 煅焦粉、 生焦粉混合制成第一混合物， 在第一混合物中， 竹炭粉占的重量比为 50〜80%， 煅焦粉占的重量比为 10〜25%， 余下的为生焦粉， 竹炭粉、 煅焦粉、 生焦粉的颗粒大小 为 50〜200目中任一值， 2、将第一混合物与粘结剂混合制成第二混合物， 在第二混合物 中， 粘结剂占的重量比为 15〜40%， 3、 将第二混合物干燥处理制成第三混合物， 干燥温 度至少为 50°C， 干燥时间至少为 50 min， 4、 将第三混合物粉碎处理制成第四混合物， 第四混合物的颗粒大小为 50〜200目中任一值， 5、将第四混合物放入模具内一次成型成 制品， 成型温度至少为 80°C， 成型保压压力至少为 20吨， 成型保压时间至少为 2min。
采用上述方法后， 本发明与现有技术相比， 具有以下显著优点及有益效果： 采用本 发明提供的步骤和配方， 经实际生产， 能够容易实现一次成型， 进而大幅提高生产效率， 实现高产能， 减少资源浪费和污染， 降低成本， 而且经上述步骤和配方得到的制品能够 满足焙烧要求， 焙烧成品率高。
作为改进， 它还包括， 6、 将所述制品焙烧成成品， 焙烧温度至少为 600°C， 焙烧时 间至少为 5小时， 在上述焙烧条件下， 焙烧得到的成品率高， 成品性能好， 成品中各添 加剂将碳化， 能够使成品中碳含量尽可能高。
作为进一步改进， 焙烧前将所述制品干燥处理， 干燥温度至少为 80°C， 干燥时间至 少为 30 min, 经这样处理后， 能够将制品堆放起来焙烧， 而无需一个个单独分开放置， 使得焙烧效率大大提高。
作为进一步改进， 焙烧过程中， 焙烧室为密封或者真空， 这样， 能够防止外界空气 或者内外空气对焙烧的影响，成品中各添加剂将充分碳化而几乎不会被空气中氧气氧化， 能够使成品中碳含量占到 99%以上。
作为进一步改进， 第一混合物与粘结剂混合方式为搅拌的同时进行碾压， 这样， 能 够使粘结剂均匀分布于混合物的粉粒间， 甚至是各个颗粒本身具有的空隙或者孔隙中， 更有利于在成型时粉粒间结合， 使成型容易， 制品性能好。
作为进一步改进， 在第三混合物或者第四混合物中混入乙二醇或者食用油， 乙二醇 或者食用油占的重量比至少为 0. 001%， 这样， 不管是第三混合物中混入再粉碎成为第四 混合物， 还是直接在第四混合物混入， 最终目的都是要使第四混合物混有食用油， 食用 油有利于增加混合物的流动性， 以利于成型和脱模， 而且食用油无毒， 更符合健康要求。
作为进一步改进， 在第三混合物或者第四混合物中混入硬脂酸或者硬脂酸锌， 硬脂 酸或者硬脂酸锌占的重量比至少为 0. 0001%， 这样， 最终， 第四混合物中混有硬脂酸， 硬脂酸有利于成型过程中的脱模。
作为进一步改进， 将第四混合物预热， 预热温度至少为 60°C， 这样， 能够增加第四 混合物的流动性， 以利于成型， 并提高生产效率。
具体实施方式
下面结合具体实施例对本发明作进一步说明。
本发明炭素材料成型方法， 包含以下步骤， 1、 将竹炭粉、 煅焦粉、 生焦粉混合制成 第一混合物， 在第一混合物中， 竹炭粉占的重量比为 50〜80%， 煅焦粉占的重量比为 10〜 25%， 余下的为生焦粉， 竹炭粉、 煅焦粉、 生焦粉的颗粒大小为 50〜200目中任一值， 2、 将第一混合物与粘结剂混合制成第二混合物， 在第二混合物中， 粘结剂占的重量比为 15〜 40%, 3、 将第二混合物干燥处理制成第三混合物， 干燥温度至少为 50°C， 干燥时间至少为 50 min, 4、 将第三混合物粉碎处理制成第四混合物， 第四混合物的颗粒大小为 50〜200 目中任一值， 5、 将第四混合物放入模具内一次成型成制品， 成型温度至少为 80°C， 成型 保压压力至少为 20吨， 成型保压时间至少为 2min， 模具采用现有压模技术即可， 压机采 用四柱油压机， 为了便于脱模， 可以采用脱模剂来帮助脱模， 6、 将所述制品焙烧成成品， 焙烧温度至少为 600°C， 焙烧时间至少为 5小时。
焙烧前将所述制品干燥处理， 干燥温度至少为 80°C， 干燥时间至少为 30 min。
焙烧过程中， 焙烧室为密封或者真空。
所述竹炭粉、 煅焦粉、 生焦粉均经过 2600°C高温活性处理。
第一混合物与粘结剂混合方式为搅拌的同时进行碾压。
在第三混合物或者第四混合物中混入乙二醇或者食用油， 乙二醇或者食用油占的重量 比至少为 0. 001%， 该食用油可以为菜籽油。
在第三混合物或者第四混合物中混入硬脂酸或者硬脂酸锌， 硬脂酸或者硬脂酸锌占的 重量比至少为 0. 0001%。
将第四混合物预热， 预热温度至少为 60°C， 可以单独放在加热装置里预热， 也可直接 放在模具的成型腔里面， 通过搅拌使已经受热的模具对第四混合物进行预热。
所述粘结剂为木质素酚醛树脂。
对所述制品或成品进行打磨处理， 目的是使制品或成品表面质量和形状更好并适于镀 层。
通过步骤 6能够使制品耐高温性能、 强度、 硬度以及成品中碳含量的占比进一步提高， 并适于电磁炉等加热设备， 从而满足一些产品要求， 比如锅、 烧烤板、 煎锅等。 而一些产 品， 比如电脑用散热片， 无需焙烧即可直接使用， 但在成本允许的情况下， 经过焙烧则更 好。
以成型生活中日常用的锅为例， 烧烤板、 煎锅、 电脑用散热片等类似， 区别在于所用 压模的成型腔的形状不同， 压模结构及制造为现有技术，
第一种方案： 在第一混合物中， 竹炭粉占的重量比为 60%， 煅焦粉占的重量比为 20%， 余下的为生焦粉， 竹炭粉的颗粒大小为 80 目， 煅焦粉的颗粒大小为 100 目， 生焦粉的颗 粒大小为 120 目； 在第二混合物中， 木质素酚醛树脂占的重量比为 15%; 步骤 3中的干燥 温度为 50°C， 干燥时间为 70min; 步骤 4中， 第四混合物的颗粒大小为 50目； 步骤 5中， 成型温度为 135°C， 成型保压压力为 120吨， 成型保压时间为 5min; 焙烧前将所述制品干 燥处理， 干燥温度为 330°C， 干燥时间为 30 min; 焙烧温度为 850°C， 焙烧时间为 48小时。 这样制作的锅具有导热系数高、 蓄热效果好、 远红外功能强、 比重轻、 耐高温性好、 耐即 冷即热性好、负离子功能，耐高温性好是指，空气中耐高温 350°C，保护气氛中耐高温 3000 °C以上， 耐即冷即热性好是指， 可在锅的温度达到 350°C以上放入冷水中骤冷。
第二种方案： 在第一混合物中， 竹炭粉占的重量比为 80%， 煅焦粉占的重量比为 10%， 余下的为生焦粉， 竹炭粉的颗粒大小为 100目， 煅焦粉的颗粒大小为 120目， 生焦粉的颗 粒大小为 80目； 在第二混合物中， 木质素酚醛树脂占的重量比为 28%; 步骤 3中的干燥温 度为 85°C， 干燥时间为 50min; 步骤 4中， 第四混合物的颗粒大小为 80 目； 步骤 5中， 成型温度为 190°C， 成型保压压力为 150吨， 成型保压时间为 7min; 焙烧前将所述制品干 燥处理， 干燥温度为 200°C， 干燥时间为 50 min; 焙烧温度为 600°C， 焙烧时间为 60小时。
第三种方案： 在第一混合物中， 竹炭粉占的重量比为 50%， 煅焦粉占的重量比为 25%， 余下的为生焦粉， 竹炭粉的颗粒大小为 200 目， 煅焦粉的颗粒大小为 50 目， 生焦粉的颗 粒大小为 150 目； 在第二混合物中， 木质素酚醛树脂占的重量比为 40%; 步骤 3中的干燥 温度为 70°C， 干燥时间为 120min; 步骤 4中， 第四混合物的颗粒大小为 200 目； 步骤 5 中， 成型温度为 100°C， 成型保压压力为 200吨， 成型保压时间为 lOmin; 焙烧前将所述 制品干燥处理， 干燥温度为 100°C， 干燥时间为 150 min; 焙烧温度为 1300°C， 焙烧时间 为 24小时。
乙二醇或者食用油、 硬脂酸或者硬脂酸锌占的重量比分别为 0. 001%、 0. 0001%, 乙二 醇或者食用油、 硬脂酸或者硬脂酸锌占的重量比可以分别为 0. 015%、 0. 0095%, 乙二醇或 者食用油、 硬脂酸或者硬脂酸锌占的重量比可以分别为 0. 031%、 0. 010%, 乙二醇或者食用 油、 硬脂酸或者硬脂酸锌占的重量比可以分别为 0. 04%、 0. 015%。

Claims

权 利 要 求 书
1、 一种炭素材料成型方法， 其特征在于， 包含以下步骤， 1、 将竹炭粉、 煅焦粉、 生 焦粉混合制成第一混合物， 在第一混合物中， 竹炭粉占的重量比为 50〜80%， 煅焦粉占的 重量比为 10〜25%， 余下的为生焦粉， 竹炭粉、 煅焦粉、 生焦粉的颗粒大小为 50〜200 目 中任一值， 2、 将第一混合物与粘结剂混合制成第二混合物， 在第二混合物中， 粘结剂占 的重量比为 15〜40%， 3、 将第二混合物干燥处理制成第三混合物， 干燥温度至少为 50°C， 干燥时间至少为 50 min， 4、 将第三混合物粉碎处理制成第四混合物， 第四混合物的颗粒 大小为 50〜200 目中任一值， 5、 将第四混合物放入模具内一次成型成制品， 成型温度至 少为 80°C， 成型保压压力至少为 20吨， 成型保压时间至少为 2min。
2、 根据权利要求 1所述的炭素材料成型方法， 其特征在于， 它还包括， 6、 将所述制 品焙烧成成品， 焙烧温度至少为 600°C， 焙烧时间至少为 5小时。
3、 根据权利要求 2 所述的炭素材料成型方法， 其特征在于， 焙烧前将所述制品干燥 处理， 干燥温度至少为 80°C， 干燥时间至少为 30 min。
4、 根据权利要求 2所述的炭素材料成型方法， 其特征在于， 焙烧过程中， 焙烧室为 密封或者真空。
5、根据权利要求 1所述的炭素材料成型方法， 其特征在于， 第一混合物与粘结剂混 合方式为搅拌的同时进行碾压。
6、 根据权利要求 1 所述的炭素材料成型方法， 其特征在于， 在第三混合物或者第四 混合物中混入乙二醇或者食用油， 乙二醇或者食用油占的重量比至少为 0. 001%。
7、根据权利要求 1所述的炭素材料成型方法， 其特征在于， 在第三混合物或者第四 混合物中混入硬脂酸或者硬脂酸锌， 硬脂酸或者硬脂酸锌占的重量比至少为 0. 0001%。
8、根据权利要求 1或 6或 7所述的炭素材料成型方法， 其特征在于， 将第四混合物 预热， 预热温度至少为 60°C。
9、根据权利要求 1所述的炭素材料成型方法， 其特征在于， 所述粘结剂为木质素酚 醛树脂。
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