Development and Application of Chrome-free Refractory Materials for RH Degasser
被引:2
作者:
LI Hongxia
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机构:
Sinosteel Luoyang Institute of Refractories Research Co,Ltd
State Key Laboratory of Advanced RefractoriesSinosteel Luoyang Institute of Refractories Research Co,Ltd
LI Hongxia
[1
,2
]
LIU Jun
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机构:
Sinosteel Luoyang Institute of Refractories Research Co,Ltd
State Key Laboratory of Advanced RefractoriesSinosteel Luoyang Institute of Refractories Research Co,Ltd
LIU Jun
[1
,2
]
FENG Haixia
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机构:
Sinosteel Luoyang Institute of Refractories Research Co,Ltd
State Key Laboratory of Advanced RefractoriesSinosteel Luoyang Institute of Refractories Research Co,Ltd
FENG Haixia
[1
,2
]
ZHANG Lixin
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机构:
Sinosteel Refractory Co,LtdSinosteel Luoyang Institute of Refractories Research Co,Ltd
ZHANG Lixin
[3
]
机构:
[1] Sinosteel Luoyang Institute of Refractories Research Co,Ltd
The research progress and industrial application of chrome-free refractories for RH degasser were introduced in the paper. It is proved that unburned magnesia- spinel refractories used for RH throat and snorkel in Baosteel have longer service life compared with traditional direct bonded fused magnesia- chrome materials. The new developed chrome-free unburned magnesia- spinel composite can fully meet the present demand for RH operation and can be applied extensively for RH processing. At present, instead of chrome-containing materials,chrome-free refractories have been applied widely for RH in Baosteel. Super low carbon Mg O- C material with high mechanical properties at mild and high temperatures can be an alternative chrome-free material for RH.