CN106810261A - 一种使用中频炉冶炼碳化硼的方法 - Google Patents

一种使用中频炉冶炼碳化硼的方法 Download PDF

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CN106810261A
CN106810261A CN201710235762.3A CN201710235762A CN106810261A CN 106810261 A CN106810261 A CN 106810261A CN 201710235762 A CN201710235762 A CN 201710235762A CN 106810261 A CN106810261 A CN 106810261A
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intermediate frequency
boron carbide
frequency furnace
smelt
graphite crucible
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王基峰
耿伟锋
王晓艳
王芳
陈英杰
李江伟
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Songshan Zhengzhou Boron Industry Technology Co Ltd
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Songshan Zhengzhou Boron Industry Technology Co Ltd
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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
    • C04B35/56—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 carbides or oxycarbides
    • C04B35/563—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 carbides or oxycarbides based on boron carbide
    • 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
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • 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
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/64—Burning or sintering processes
    • 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
    • C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3409—Boron oxide, borates, boric acids, or oxide forming salts thereof, e.g. borax
    • 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
    • C04B2235/42—Non metallic elements added as constituents or additives, e.g. sulfur, phosphor, selenium or tellurium
    • C04B2235/422—Carbon
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
    • C04B2235/66—Specific sintering techniques, e.g. centrifugal sintering

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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)
  • Inorganic Chemistry (AREA)
  • Carbon And Carbon Compounds (AREA)

Abstract

为了解决碳化硼冶炼过程中存在的耗电量大、冶炼成本高问题，本发明提供一种使用中频炉冶炼碳化硼的方法，利用碳化硼冶炼过程中冶炼原料、冶炼用具导电发热的特性，降低碳化硼冶炼过程中的用电量。

Description

一种使用中频炉冶炼碳化硼的方法
技术领域
本发明涉及碳化硼冶炼领域，尤其是一种使用中频炉冶炼碳化硼的方法。
背景技术
碳化硼具有熔点高、比重小、耐磨耐腐蚀等特点，是一种新型高性能工程材料，但在碳化硼冶炼过程中存在耗电量大、冶炼成本高的问题。
发明内容
为了解决碳化硼冶炼过程中存在的耗电量大、冶炼成本高问题，本发明提供一种使用中频炉冶炼碳化硼的方法，利用碳化硼冶炼过程中冶炼原料、冶炼用具导电发热的特性，降低碳化硼冶炼过程中的用电量。
本发明解决其技术问题所采用的技术方案是：一种使用中频炉冶炼碳化硼的方法，包括以下步骤：
（1）配料：把硼酸与碳素原料混合均匀形成混合原料，所述硼酸与碳素原料的质量比例为3:1；
（2）准备冶炼：把所述混合原料放入石墨坩埚，再把装有混合原料的石墨坩埚放入中频炉中；
（3）冶炼：打开中频炉，把中频炉频率调到700-1000HZ、功率设置为50KW，使中频炉内温度达到1700℃-2450℃的状态保持10分钟；
（4）冷却：关闭中频炉，使中频炉冷却到规定温度；
（5）成品：取出冷却的石墨坩埚，即得到碳化硼块，完成碳化硼冶炼。
本发明的有益效果是，利用石墨坩埚、碳素材料、碳化硼自有的导电发热特性，能够使碳化硼的冶炼用电量降低三分之二。
具体实施方式
以下实施例本发明的原理和特征进行描述，所举实施例只用于解释本发明，并非用于限定本发明的范围。
本发明实施例的具体操作步骤如下：
（1）配料：把5.1吨硼酸与1.7吨碳素原料混合均匀形成混合原料；
（2）准备冶炼：把所述混合原料放入石墨坩埚，再把装有混合原料的石墨坩埚放入中频炉中；
（3）冶炼：打开中频炉，把中频炉频率调到800HZ、功率设置为50KW，使中频炉内温度达到2350℃的状态保持10分钟；
（4）冷却：关闭中频炉，使中频炉冷却到规定温度；
（5）成品：取出冷却的石墨坩埚，即得到碳化硼块，完成碳化硼冶炼。

Claims (1)

1.一种使用中频炉冶炼碳化硼的方法，其特征在于，所述方法包括以下步骤：
（1）配料：把硼酸与碳素原料混合均匀形成混合原料，所述硼酸与碳素原料的质量比例为3:1；
（2）准备冶炼：把所述混合原料放入石墨坩埚，再把装有混合原料的石墨坩埚放入中频炉中；
（3）冶炼：打开中频炉，把中频炉频率调到700-1000HZ、功率设置为50KW，使中频炉内温度达到1700℃-2450℃的状态保持10分钟；
（4）冷却：关闭中频炉，使中频炉冷却到规定温度；
（5）成品：取出冷却的石墨坩埚，即得到碳化硼块，完成碳化硼冶炼。
CN201710235762.3A 2017-04-12 2017-04-12 一种使用中频炉冶炼碳化硼的方法 Pending CN106810261A (zh)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03503158A (ja) * 1989-01-11 1991-07-18 ザ　ダウ　ケミカル　カンパニー 炭化硼素結晶を製造するための方法および装置
CN1421386A (zh) * 2001-11-30 2003-06-04 牡丹江金钢钻碳化硼精细陶瓷有限责任公司 核工业用碳化硼粉的制备方法
CN101712473A (zh) * 2009-11-03 2010-05-26 中国科学院宁波材料技术与工程研究所 一种高纯碳化硼粉体的制备方法
CN102115080A (zh) * 2011-03-14 2011-07-06 大连博恩坦科技有限公司 一种10b碳化硼及其制备方法
CN102161586A (zh) * 2011-04-26 2011-08-24 大连金玛硼业科技集团有限公司 一种粒度可控的碳化硼陶瓷粉体的制备方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03503158A (ja) * 1989-01-11 1991-07-18 ザ　ダウ　ケミカル　カンパニー 炭化硼素結晶を製造するための方法および装置
CN1421386A (zh) * 2001-11-30 2003-06-04 牡丹江金钢钻碳化硼精细陶瓷有限责任公司 核工业用碳化硼粉的制备方法
CN101712473A (zh) * 2009-11-03 2010-05-26 中国科学院宁波材料技术与工程研究所 一种高纯碳化硼粉体的制备方法
CN102115080A (zh) * 2011-03-14 2011-07-06 大连博恩坦科技有限公司 一种10b碳化硼及其制备方法
CN102161586A (zh) * 2011-04-26 2011-08-24 大连金玛硼业科技集团有限公司 一种粒度可控的碳化硼陶瓷粉体的制备方法

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