CN109592970B8 - 一种低铬电熔再结合镁铬砖 - Google Patents

一种低铬电熔再结合镁铬砖 Download PDF

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CN109592970B8
CN109592970B8 CN201811560806.0A CN201811560806A CN109592970B8 CN 109592970 B8 CN109592970 B8 CN 109592970B8 CN 201811560806 A CN201811560806 A CN 201811560806A CN 109592970 B8 CN109592970 B8 CN 109592970B8
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magnesia
sand
chrome
electric melting
low
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CN109592970B (zh
CN109592970A (zh
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王俊涛
胡建辉
尹超男
徐如林
闫昕
魏瀚
徐琳琳
周严敦
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Ruitai Technology Co ltd
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    • 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
    • C04B35/047Refractories from grain sized mixtures containing chromium oxide or chrome ore
    • C04B35/0476Refractories from grain sized mixtures containing chromium oxide or chrome ore obtained from prereacted sintered grains ("simultaneous sinter")
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    • 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
    • C04B2235/32Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3217Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
    • C04B2235/3222Aluminates other than alumino-silicates, e.g. spinel (MgAl2O4)
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    • 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
    • C04B2235/9607Thermal properties, e.g. thermal expansion coefficient

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
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  • Structural Engineering (AREA)
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  • Compositions Of Oxide Ceramics (AREA)

Abstract

一种应用于冶炼行业,低氧化铬含量的电熔再结合复合尖晶石耐火砖。一方面,本发明配料时用电熔镁铝尖晶石砂大幅替代了电熔镁铬砂,特别是粗粒电熔镁铬砂,在大幅降低氧化铬含量的同时,避免了对抗侵蚀性的不利影响。另一方面,尽可能使用了破碎产生的各个粒度的电熔镁铬砂或镁铝尖晶石砂,便于进行生产管理。从而,在不影响生产,不影响使用寿命的同时,减少了六价铬的污染,取得了改善环保的有益效果。
CN201811560806.0A 2018-12-20 2018-12-20 一种低铬电熔再结合镁铬砖 Active CN109592970B8 (zh)

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CN115433016A (zh) * 2022-09-29 2022-12-06 河南瑞泰耐火材料科技有限公司 一种窑车用镁铁铬砖及其制备方法

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Inventor after: Xu Rulin

Inventor after: Yan Xin

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CI03 Correction of invention patent

Correction item: Inventor

Correct: Jun Tao Wang|Hu Jianhui|Yin Chaonan|Xu Rulin|Yan Xin|Wei Han|Xu Linlin|Zhou Yandun

False: Jun Tao Wang|Xu Linlin|Zhou Yandun

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Correct: Jun Tao Wang|Hu Jianhui|Yin Chaonan|Xu Rulin|Yan Xin|Wei Han|Xu Linlin|Zhou Yandun

False: Jun Tao Wang|Xu Linlin|Zhou Yandun

Number: 44-01

Volume: 37

CI03 Correction of invention patent