专利名称：LOW SI OPERATING METHOD IN BLAST FURNACEandroid是什么
发明人：KATO TOMONORI,HOTTA
HIROHISA,SHIMOMURA AKIO
申请号：JP15748988
关于自律的名人素材申请日：19880625
寒食节是什么节日公开号：JPH028310A
公开日：
19900111
专利内容由知识产权出版社提供耶律大石
方木心理罪摘要：PURPOSE:To reduce Si content in molten iron without giving a tuyere in a blast furnace any damage by charging the auxiliary raw material composing of CaO or MgO source into coke layer in the furnace. CONSTITUTION:In the coke 1 and ore 2 charged as alternately layer by layer in the blast furnace at multi-steps, the auxiliary raw material (flux) 3 composing of about 5-30mm grain size of CaO or MgO is charged into layer of the coke 1. The auxiliary raw material 3 is desirable to charge at circumferential edge part in the furnace at the layer of the coke 1. The charged auxiliary raw material 3 is descended to near raceway together with the coke 1 and generation of SiO gas from ash in the coke 1 is restrained and the Si content in the molten iron is reduced.
终止合同协议书
申请人：NKK CORP植树节放假吗
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