CN105693258A - 燃烧炉用耐火材料 - Google Patents

燃烧炉用耐火材料 Download PDF

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CN105693258A
CN105693258A CN201610036736.3A CN201610036736A CN105693258A CN 105693258 A CN105693258 A CN 105693258A CN 201610036736 A CN201610036736 A CN 201610036736A CN 105693258 A CN105693258 A CN 105693258A
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parts
refractory material
combustion furnace
silicon carbide
powder
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谢宗柏
王雪峰
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Guangxi Congxin Industry Co Ltd
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Guangxi Congxin Industry 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
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
    • C04B35/101—Refractories from grain sized mixtures
    • C04B35/103—Refractories from grain sized mixtures containing non-oxide refractory materials, e.g. carbon
    • 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
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
    • C04B2235/3206—Magnesium oxides or oxide-forming salts thereof
    • 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
    • C04B2235/38—Non-oxide ceramic constituents or additives
    • C04B2235/3817—Carbides
    • C04B2235/3826—Silicon carbides
    • 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
    • C04B2235/40—Metallic constituents or additives not added as binding phase
    • 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
    • C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
    • C04B2235/9669—Resistance against chemicals, e.g. against molten glass or molten salts
    • C04B2235/9684—Oxidation resistance

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
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  • Organic Chemistry (AREA)
  • Ceramic Products (AREA)

Abstract

本发明公开了一种燃烧炉用耐火材料，涉及耐火材料技术领域。本发明燃烧炉用耐火材料由以下重量份数的原料制备而成：锆碳合金0.1份～2份，氧化铝30份～60份，氧化镁5份～10份，碳化硅微粉1份～5份，水杨酸铅0.1份～1份，硼砂2份～10份。本发明燃烧炉用耐火材料耐高温性、耐高温腐蚀性、抗氧化性性能优良，材料不易断裂，使用寿命长。

Description

燃烧炉用耐火材料
技术领域
本发明涉及材料技术领域，尤其是一种燃烧炉用耐火材料。
背景技术
燃烧炉是利用高压、高频振荡电路，形成瞬间大电流点燃样品，使样品在富氧条件下迅速燃烧后产生的混合气体，经过化学分析程序，定量而快捷地分析出样品中碳、硫含量的设备。
耐火材料是指耐火度不低于1500℃的一类无机非金属材料，耐火度是指耐火材料锥形体试样在没有荷重情况下，抵抗高温作用而不软化熔倒的摄氏温度。耐火材料应用于钢铁、有色金属、玻璃、水泥、陶瓷、石化、机械、锅炉、轻工、电力、军工等国民经济的各个领域，是保证上述产业生产运行和技术发展必不可少的基本材料。耐火材料作为燃烧装备中的关键部件是实现多种燃烧技术的材料保障，随着近年来燃烧技术的发展，对燃烧装备的耐高温材料不断提出新的要求，因此，要求选择的耐火材料必须具备耐高温性以及耐高温腐蚀性，而现有的燃烧炉耐火材料的抗氧化性不理想，在热冲击的环境下，材料易断裂。
发明内容
本发明的目的是提供一种燃烧炉用耐火材料，这种燃烧炉用耐火材料可以解决现有燃烧炉用耐火材料易断裂的问题。
为了解决上述问题，本发明采用的技术方案是：
这种燃烧炉用耐火材料由以下重量份数的原料制备而成：锆碳合金0.1份～2份，氧化铝30份～60份，氧化镁5份～10份，碳化硅微粉1份～5份，水杨酸铅0.1份～1份，硼砂2份～10份。
上述技术方案中，更具体的方案还可以是：锆碳合金中锆的含量为15%～40%。
进一步的，碳化硅微粉的平均直径为0.3微米～0.4微米；所述碳化硅微粉中硅的含量为92％～95％。
进一步的，原料的重量份数为：锆碳合金0.1份，氧化铝60份，氧化镁5份，碳化硅微粉1份，水杨酸铅0.1份，硼砂2份。
进一步的，原料的重量份数为：锆碳合金1份，氧化铝45份，氧化镁10份，碳化硅微粉3份，水杨酸铅0.5份，硼砂6份。
更进一步的，原料的重量份数为：锆碳合金2份，氧化铝30份，氧化镁7.5份，碳化硅微粉5份，水杨酸铅1份，硼砂10份。
由于采用了上述技术方案，本发明与现有技术相比具有如下有益效果：
本发明燃烧炉用耐火材料由锆碳合金、氧化铝、氧化镁、碳化硅微粉、水杨酸铅以及硼砂制备而成，耐高温性、耐高温腐蚀性、抗氧化性性能优良，材料不易断裂，使用寿命长。
具体实施方式
下面结合实施例对本发明作进一步详述：
实施例1
本实施例燃烧炉用耐火材料由以下重量份数的原料制备而成：锆碳合金0.1份，氧化铝60份，氧化镁5份，碳化硅微粉1份，水杨酸铅0.1份，硼砂2份。
本实施例中锆碳合金中锆的含量为25%，碳化硅微粉的平均直径为0.3微米，碳化硅微粉中硅的含量为92％。
实施例2
本实施例燃烧炉用耐火材料由以下重量份数的原料制备而成：锆碳合金1份，氧化铝45份，氧化镁10份，碳化硅微粉3份，水杨酸铅0.5份，硼砂6份。
本实施例中锆碳合金中锆的含量为15%，碳化硅微粉的平均直径为0.35微米，碳化硅微粉中硅的含量为93％。
实施例3
本实施例燃烧炉用耐火材料由以下重量份数的原料制备而成：锆碳合金2份，氧化铝30份，氧化镁7.5份，碳化硅微粉5份，水杨酸铅1份，硼砂10份。
本实施例中锆碳合金中锆的含量为40%，碳化硅微粉的平均直径为0.4微米，碳化硅微粉中硅的含量为95％。

Claims (6)

1.一种燃烧炉用耐火材料，其特征在于由以下重量份数的原料制备而成：锆碳合金0.1份～2份，氧化铝30份～60份，氧化镁5份～10份，碳化硅微粉1份～5份，水杨酸铅0.1份～1份，硼砂2份～10份。
2.根据权利要求1所述的燃烧炉用耐火材料，其特征在于：所述锆碳合金中锆的含量为15%～40%。
3.根据权利要求1所述的燃烧炉用耐火材料，其特征在于：所述碳化硅微粉的平均直径为0.3微米～0.4微米；所述碳化硅微粉中硅的含量为92％～95％。
4.根据权利要求1所述的燃烧炉用耐火材料，其特征在于原料的重量份数为：锆碳合金0.1份，氧化铝60份，氧化镁5份，碳化硅微粉1份，水杨酸铅0.1份，硼砂2份。
5.根据权利要求1所述的燃烧炉用耐火材料，其特征在于：锆碳合金1份，氧化铝45份，氧化镁10份，碳化硅微粉3份，水杨酸铅0.5份，硼砂6份。
6.根据权利要求1所述的燃烧炉用耐火材料，其特征在于：锆碳合金2份，氧化铝30份，氧化镁7.5份，碳化硅微粉5份，水杨酸铅1份，硼砂10份。
CN201610036736.3A 2016-01-20 2016-01-20 燃烧炉用耐火材料 Pending CN105693258A (zh)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1144520A (zh) * 1994-03-25 1997-03-05 弗博塞尔维斯股份有限公司 用于构成耐火组合物的化学混合物
CN1761635A (zh) * 2003-02-07 2006-04-19 联合矿物产品公司 抗裂的干耐火材料
CN101602889A (zh) * 2008-06-11 2009-12-16 中国石油化工股份有限公司 一种含有基质沥青的组合物和沥青组合物及其制备方法
CN104030711A (zh) * 2014-07-02 2014-09-10 武汉科技大学 一种转炉大面修补料及其使用方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1144520A (zh) * 1994-03-25 1997-03-05 弗博塞尔维斯股份有限公司 用于构成耐火组合物的化学混合物
CN1761635A (zh) * 2003-02-07 2006-04-19 联合矿物产品公司 抗裂的干耐火材料
CN101602889A (zh) * 2008-06-11 2009-12-16 中国石油化工股份有限公司 一种含有基质沥青的组合物和沥青组合物及其制备方法
CN104030711A (zh) * 2014-07-02 2014-09-10 武汉科技大学 一种转炉大面修补料及其使用方法

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