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由河北省冶金厅主持的“宣钢高碱原料高炉冶炼和铁水炉外脱硫”技术鉴定会,于1985年4月23～24日在宣化召开。冶金部钢铁司、科技司及省内外有关生产、科研、设计、高等院校等23个单位共60多名代表参加了会议。宣钢原料碱金属高达13～14公斤/吨铁,严重影响高炉生产。为此,宣钢从1982年开始着手进行喷射白灰脱硫技术的研究。宣钢自行设计和研制了工业试验设备。研究工作得到北京钢铁学院的合作。秦皇岛耐火材料
Hosted by the Hebei Provincial Department of Metallurgical “Xuanhua high-alkali raw materials blast furnace smelting and hot metal outside the furnace desulfurization” technical appraisal meeting, in April 1985 April 23 to Xuanhua held. Metallurgical Division Steel Division, Science and Technology Division and inside and outside the province on production, research, design, institutions of higher learning and other units a total of more than 60 representatives attended the meeting. Steel declared raw materials up to 13 ~ 14 kg of alkali metal iron, seriously affecting the blast furnace production. To this end, Xuan Steel started in 1982, the white ash desulfurization jet technology research. Xuan Steel designed and developed its own industrial test equipment. Research has been the cooperation of Beijing Iron and Steel Institute. Qinhuangdao refractories