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中国某铁合金厂目前采用两次炼成的方法进行无渣法冶炼低碳硅铬合金,即由一个车间炼出硅铬合金后,送往另一车间再炼,进行降碳。采用此种方法,不仅增加了电能消耗也增加了硅的烧损,提高了金属的成本。有人认为:无渣法冶炼低碳矽铬合金可以在一个炉子里一次炼成,而且也应该采用这种方法,这一意见完全正确。生产含碳0.02%的硅铬合金(冶炼“0000”微碳铬铁用)和含碳0.03—0.04%的硅铬合金,(冶炼“000”
At present, a ferroalloy plant in China uses two refining methods to conduct smelting low-carbon silicon-chromium alloy without slag method, that is, after refining a silicon-chromium alloy from a workshop, it is sent to another workshop for refining and carbon reduction. Using this method, not only increases the power consumption but also increases the burning of silicon, raising the cost of the metal. Some people think: no slag smelting low-carbon silicon chromium alloy can be a furnace in a time, but also should adopt this method, this opinion is completely correct. Production of silicon-chromium alloy containing 0.02% carbon (used for smelting “0000” micro-carbon ferrochromium) and silicon chromium alloy containing 0.03-0.04% carbon (smelting “000”