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丙罐钢水增碳使平炉无法按计划钢种出钢,是当前生产中的主要矛盾。在2号炉受铁口下部约200～300mm 处有一条长400mm,宽100mm,深1000mm 的扁沟.其内残存着高碳物。当炉子大幅度倾动出丙罐钢时,使钢液增碳。由此可知,丙罐钢增碳的根本原因是炉型问题。为防止丙罐钢增碳,应清除炉内长高部分(特别是受铁口下部),定期炼炉,改动加料层次,改善熔渣状况,适当增加脱氧、出钢期的热负荷,调整好炉膛压力和氧枪气封压力。
C tank of steel by carbon to open hearth furnace steel can not be planned, is the current production of the main contradictions. In furnace No. 2, about 200 to 300 mm below the iron mouth, there was a flat ditch with a length of 400 mm, a width of 100 mm and a depth of 1000 mm. When the furnace tilted a substantial C out of steel, the liquid steel carbon. It can be seen, C steel tanker is the fundamental reason for furnace type problems. In order to prevent the increase of carbon in the C tank steel, the long part of the furnace should be removed (especially by the lower part of the iron mouth), the furnace should be regularly fired, the feeding level should be changed to improve the slag status, appropriately increase the heat load during deoxidation and tapping period, Furnace pressure and oxygen gun seal pressure.