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Indeterminate refractories and prefabricated parts for electric furnace systems
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Indeterminate refractories and prefabricated parts for electric furnace systems

The products are mainly unshaped refractory materials, covering more than 100 varieties in three series. Mainly used in steel, metallurgy, non-ferrous metals and petrochemical industries
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Parameters
Product name Corundum castables (preforms) Spray filler
Grades LDC—1 LDC—2 LDC—3 LMP—87 LMP—83
Chemical composition Al2O3(%)≥ 90   80    
Al2O3+Cr2O3(%)≥   90      
SiO2(%)≤       6 7
MgO(%)>       87 83
Bulk density (g/㎝³) 110℃×24h≥ 3 3.1 2.8    
Compressive strength (MPa) 1500℃×3h≥ 80 80 70    
Rate of change of line (%) 1500℃×3h≤ ±0.5 ±0.5 ±0.5    
Maximum operating temperature   1800℃ 1800℃ 1800℃ 1800℃ 1800℃
Areas of use Electric furnace roof monolithic cast prefabricated parts Electric furnace lining superheated zone and slag line repair

 

  郑州市裕丰耐火材料有限公司创立于2001年9月29日,公司位于郑州市上街区通航试验区。公司注册资金3700万元,占地面积15万余平米,建筑面积10万余平米,是专业生产炼铁炼钢用不定形耐火材料、高档耐火材料预制件、铁水预处理脱磷(硫)用搅拌头、炉外精炼炉RH插入管、精炼钢包底吹通气元件,以及利用喷雾造粒技术生产精炼钢包、中间包、结晶器用冶金材料的高科技民营企业。

  公司所在地环境位置优越,陇海铁路、郑西客运专线、310国道横穿全区,郑上快速路直达郑州,连霍高速傍区而行,西气东输等国家重点工程穿区而过,货运站、铁路专用线、城市基础设施配套齐全,发展条件得天独厚。公司所在地和周边洛阳、焦作地区,矿产资源储量大,品位高,且刚玉产业具集聚优势,生产所需原辅材料供应充足,交通运输便捷,完全可满足公司规模化生产需要。

 

裕丰概况

 

产品名称 干式捣打料 出钢口填料 出钢槽浇注料
牌号 LRM1 LEAF—1 LEAF—2 LSC—60
化学成分 Al2O3(%)       ≥60
CaO(%) 6—8      
Fe2O3(%) 5—7      
SiC+C(%)       ≥13
SiO2(%)   <30 >50  
MgO(%) ≥82 >50 <40  
体积密度(g/㎝³) 110℃×24h       ≥2.5
1450℃×3h       ≥2.4
耐压强度(MPa) 1500℃×3h ≥40      
线变化率(%) 1450℃×3h       ≤±0.5
最高使用温度 1800℃ 1800℃ 1800℃ 1700℃
使用部位 电炉炉底 电炉出钢口 电炉出钢槽
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Prefabricated parts
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