CN105693257A - 燃烧炉内壁耐火材料 - Google Patents

燃烧炉内壁耐火材料 Download PDF

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CN105693257A
CN105693257A CN201610036725.5A CN201610036725A CN105693257A CN 105693257 A CN105693257 A CN 105693257A CN 201610036725 A CN201610036725 A CN 201610036725A CN 105693257 A CN105693257 A CN 105693257A
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parts
combustion furnace
refractory material
zirconium
silicon carbide
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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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    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/03Shaped 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 magnesium oxide, calcium oxide or oxide mixtures derived from dolomite
    • C04B35/04Shaped 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 magnesium oxide, calcium oxide or oxide mixtures derived from dolomite based on magnesium oxide
    • C04B35/043Refractories from grain sized mixtures
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    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/38Non-oxide ceramic constituents or additives
    • C04B2235/3817Carbides
    • C04B2235/3826Silicon carbides
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/40Metallic constituents or additives not added as binding phase
    • C04B2235/404Refractory metals
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    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/96Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
    • C04B2235/9669Resistance against chemicals, e.g. against molten glass or molten salts
    • C04B2235/9684Oxidation resistance

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  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Furnace Housings, Linings, Walls, And Ceilings (AREA)

Abstract

本发明公开了一种燃烧炉内壁耐火材料,涉及材料技术领域。本发明燃烧炉内壁耐火材料由以下重量份数的原料制备而成:锆铌合金0.1份~1份,碳化硅微粉0.5份~2份,氧化镁40份~55份,硬脂酸钙0.3份~1份,偏磷酸钠1份~3份。本发明燃烧炉内壁耐火材料性能稳定,耐高温性、耐高温腐蚀性、抗氧化性性能优良,使用寿命长,与传统的燃烧炉内壁耐火材料相比,本发明产品的使用寿命可延长1年。

Description

燃烧炉内壁耐火材料
技术领域
本发明涉及材料技术领域,尤其是一种燃烧炉内壁耐火材料。
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,现有燃烧炉内壁耐火材料耐高温腐蚀性和抗氧化性不理想,稳定性较差,使用周期较短,因此,寻求一种新型的燃烧炉内壁耐火材料,对于延长燃烧炉的使用寿命有重大的意义。
发明内容
本发明的目的是提供一种燃烧炉内壁耐火材料,这种燃烧炉内壁耐火材料可以解决现有燃烧炉内壁耐火材料使用寿命短的问题。
为了解决上述问题,本发明采用的技术方案是:
这种燃烧炉内壁耐火材料,其特征在于由以下重量份数的原料制备而成:锆铌合金0.1份~1份,碳化硅微粉0.5份~2份,氧化镁40份~55份,硬脂酸钙0.3份~1份,偏磷酸钠1份~3份。
上述技术方案中,更具体的方案还可以是:锆铌合金中锆的含量为18%~40%。
进一步的,碳化硅微粉的平均直径为0.3微米~0.5微米;所述碳化硅微粉中硅的含量为92%~94%。
进一步的,原料的重量份数为:锆铌合金1份,碳化硅微粉0.5份,氧化镁40份,硬脂酸钙0.3份,偏磷酸钠2份。
进一步的,原料的重量份数为:锆铌合金0.5份,碳化硅微粉1份,氧化镁48份,硬脂酸钙0.5份,偏磷酸钠3份。
更进一步的,原料的重量份数为:锆铌合金0.1份,碳化硅微粉2份,氧化镁55份,硬脂酸钙1份,偏磷酸钠1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:
本发明燃烧炉内壁耐火材料由锆铌合金、碳化硅微粉、氧化镁、硬脂酸钙和偏磷酸钠复配制备而成,本发明产品性能稳定,耐高温性、耐高温腐蚀性、抗氧化性性能优良,使用寿命长,与传统的燃烧炉内壁耐火材料相比,本发明产品的使用寿命可延长1年。
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
本实施例燃烧炉内壁耐火材料由以下重量份数的原料制备而成:锆铌合金1份,碳化硅微粉0.5份,氧化镁40份,硬脂酸钙0.3份,偏磷酸钠2份。
本实施例锆铌合金中锆的含量为18%,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94%。
实施例2
本实施例燃烧炉内壁耐火材料由以下重量份数的原料制备而成:锆铌合金0.5份,碳化硅微粉1份,氧化镁48份,硬脂酸钙0.5份,偏磷酸钠3份。
本实施例锆铌合金中锆的含量为30%,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92%。
实施例3
本实施例燃烧炉内壁耐火材料由以下重量份数的原料制备而成:锆铌合金0.1份,碳化硅微粉2份,氧化镁55份,硬脂酸钙1份,偏磷酸钠1份。
本实施例锆铌合金中锆的含量为40%,碳化硅微粉的平均直径为0.5微米,碳化硅微粉中硅的含量为93%。

Claims (6)

1.一种燃烧炉内壁耐火材料,其特征在于由以下重量份数的原料制备而成:锆铌合金0.1份~1份,碳化硅微粉0.5份~2份,氧化镁40份~55份,硬脂酸钙0.3份~1份,偏磷酸钠1份~3份。
2.根据权利要求1所述的燃烧炉内壁耐火材料,其特征在于:锆铌合金中锆的含量为18%~40%。
3.根据权利要求1所述的燃烧炉内壁耐火材料,其特征在于:所述碳化硅微粉的平均直径为0.3微米~0.5微米;所述碳化硅微粉中硅的含量为92%~94%。
4.根据权利要求1所述的燃烧炉内壁耐火材料,其特征在于原料的重量份数为:锆铌合金1份,碳化硅微粉0.5份,氧化镁40份,硬脂酸钙0.3份,偏磷酸钠2份。
5.根据权利要求1所述的燃烧炉内壁耐火材料,其特征在于原料的重量份数为:锆铌合金0.5份,碳化硅微粉1份,氧化镁48份,硬脂酸钙0.5份,偏磷酸钠3份。
6.根据权利要求1所述的燃烧炉内壁耐火材料,其特征在于原料的重量份数为:锆铌合金0.1份,碳化硅微粉2份,氧化镁55份,硬脂酸钙1份,偏磷酸钠1份。
CN201610036725.5A 2016-01-20 2016-01-20 燃烧炉内壁耐火材料 Pending CN105693257A (zh)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1761635A (zh) * 2003-02-07 2006-04-19 联合矿物产品公司 抗裂的干耐火材料
CN102910917A (zh) * 2012-10-20 2013-02-06 江苏苏嘉集团新材料有限公司 镁钙碳耐火材料
JP5777561B2 (ja) * 2012-04-25 2015-09-09 日新製鋼株式会社 ステンレス鋼精錬取鍋用煉瓦及びステンレス鋼精錬取鍋
CN104973872A (zh) * 2015-06-10 2015-10-14 马鞍山金晟工业设计有限公司 一种铝镁尖晶石耐火材料及其制备方法
CN105016745A (zh) * 2015-05-18 2015-11-04 浙江长兴银兴窑业有限公司 含有碳化硅的耐火材料
CN105016744A (zh) * 2015-05-18 2015-11-04 浙江长兴银兴窑业有限公司 碳化硅耐火材料

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1761635A (zh) * 2003-02-07 2006-04-19 联合矿物产品公司 抗裂的干耐火材料
JP5777561B2 (ja) * 2012-04-25 2015-09-09 日新製鋼株式会社 ステンレス鋼精錬取鍋用煉瓦及びステンレス鋼精錬取鍋
CN102910917A (zh) * 2012-10-20 2013-02-06 江苏苏嘉集团新材料有限公司 镁钙碳耐火材料
CN105016745A (zh) * 2015-05-18 2015-11-04 浙江长兴银兴窑业有限公司 含有碳化硅的耐火材料
CN105016744A (zh) * 2015-05-18 2015-11-04 浙江长兴银兴窑业有限公司 碳化硅耐火材料
CN104973872A (zh) * 2015-06-10 2015-10-14 马鞍山金晟工业设计有限公司 一种铝镁尖晶石耐火材料及其制备方法

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