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    • 4. 发明授权
    • 정련처리설비용 소성 내화벽돌
    • 耐火砖
    • KR1019970008705B1
    • 1997-05-28
    • KR1019940040102
    • 1994-12-30
    • 주식회사 포스코(주)포스코켐텍
    • 홍기곤이석근
    • C04B35/20
    • C04B35/66C04B35/6303C04B2235/3206C04B2235/3241
    • The refractory bricks having a good rust resistance was manufactured by adding Mg-Al composite metal and chromium oxide into a refractory material of magnesia and chromium. Sintered magnesia clinker containing 0.23 wt.% of SiO2, 0.12 wt.% of Al2O6, 0.06 wt.% of Fe2O6, 0.33 wt.% of CaO, and 99.14 wt.% of MgO, chromium iron ore containing 4.67 wt.% of SiO2, 26.92 wt.% of Al2O6, 12.99 wt.% of Fe2O: , 0.79 wt.% of CaO, and 20.68 wt.% of MgO, 32.88 wt.% of Cr2O6, and chromium oxide contg. 0.02 wt.% of SiO2, 0.01 wt.% of Al2O6, 0.03 wt.% of Fe2O6, 0.01 wt.% of CaO, and 0.01 wt.% of MgO and 99.80 wt.% of Cr2O6 was molded at 800 kg/cm2 with 2.5 wt.% of phenol resin binder, and sintered at 1,750 deg.c to give the brick.
    • 通过在镁和铬的耐火材料中添加Mg-Al复合金属和氧化铬来制造耐锈性良好的耐火砖。 包含0.23重量%SiO 2,0.12重量%Al 2 O 6,0.06重量%Fe 2 O 6,0.33重量%CaO和99.14重量%MgO的烧结氧化镁熟料,含有4.67重量%SiO 2的铬铁矿石 ,26.92重量%的Al 2 O 6,12.99重量%的Fe 2 O:,0.79重量%的CaO和20.68重量%的MgO,32.88重量%的Cr 2 O 6和氧化铬。 在800kg / cm2下,以800kg / cm2模塑0.02重量%的SiO 2,0.01重量%的Al 2 O 6,0.03重量%的Fe 2 O 6,0.01重量%的CaO和0.01重量%的MgO和99.80重量%的Cr 2 O 6, 2.5重量%的酚醛树脂粘合剂,并在1750℃烧结得到砖。
    • 5. 发明授权
    • 진공 탈가스 처리설비용 내화벽돌
    • 耐火砖
    • KR1019970008699B1
    • 1997-05-28
    • KR1019940040104
    • 1994-12-30
    • 주식회사 포스코(주)포스코켐텍
    • 홍기곤이석근
    • C04B35/04C04B35/057
    • The refractory brick having an improved antispalling properties was manufactured by composition of metal aluminium powder and HfO2 powder in magnesia-chromia refractories. Thus, metal aluminium and HfO2powder more than 98 % of purity, sintered magnesia clinker containing 0.23 wt.% of SiO2, 0.12 wt.% of Al2O6, 0.06 wt.% of Fe2O6, 0.33 wt.% of CaO, and 99.14 wt.% of MgO, and natural chromium iron ore containing 4.67 wt.% of SiO2, 26.92 wt.% of Al2O6, 12.99 wt.% of Fe2O: , 0.79 wt.% of CaO, and 20.68 wt.% of MgO, 32.88 wt.% of Cr2O6 were molded at 800 kg/cm2 with 2.5 wt.% of phenol resin binder , followed by sintering at 1,750 deg.C to give the refractory brick.
    • 通过在氧化镁 - 氧化铬耐火材料中的金属铝粉末和HfO 2粉末的组成制造具有改进的反剥离性能的耐火砖。 因此,金属铝和HfO2粉末纯度高于98%,烧结氧化镁熟料含有0.23重量%的SiO 2,0.12重量%的Al 2 O 6,0.06重量%的Fe 2 O 6,0.33重量%的CaO和99.14重量% 的MgO和含有4.67重量%的SiO 2,26.92重量%的Al 2 O 6,12.99重量%的Fe 2 O:,0.79重量%的CaO和20.68重量%的MgO的天然铬铁矿石,32.88重量% 的Cr 2 O 6以2.5kg%的酚醛树脂粘合剂在800kg / cm2下成型,随后在1750℃烧结得到耐火砖。