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苏联自由雄鹰冶金工厂型铸车间试用铁水旋转法脱硫。铁水脱硫在容量为1吨的浇包内进行,浇包内衬耐火粘土层厚度≤40毫米。铁水成分为(％):C3.5～3.95;Si1.54～2.73;Mu0.44～0.89;S0.092～0.146;p0.21～0.52。浇包放置在工作台下面的装置上以便搅拌(见图),在铁水液面上撒上细粉试剂,放下金属耐火材料的双桨叶搅拌器,搅拌5～7分钟,然后扒渣浇注。桨叶直径φ350毫米(浇包直径φ700毫米),桨叶转动速度为150转/分,使金属液强烈搅拌。在这种情况下,试剂与铁水充分混合,达到迅速而充分的脱硫。试剂采用石灰、碳化钙及其与苏打的混合料,材料破碎成0.45～2.5毫米的碎块,加入量为铁水重量的1％。开始处理前,浇包中铁水温度为1230
Soviet Union Freemasonry metallurgical plant casting workshop trial hot metal rotary desulfurization. Hot metal desulphurization is carried out in a ladle with a capacity of 1 ton. The thickness of ladle lining with refractory clay ≤ 40 mm. Hot metal composition (%): C3.5 ~ 3.95; Si1.54 ~ 2.73; Mu0.44 ~ 0.89; S0.092 ~ 0.146; p0.21 ~ 0.52. Ladle placed on the table below the device for mixing (see photo), sprinkle fine powder reagents in the molten iron surface, put down the metal refractory double blade mixer, stirring for 5 to 7 minutes, and then slag pouring. Blade diameter φ350 mm (ladle diameter φ700 mm), blade rotation speed of 150 rev / min, so that the strong stirring liquid metal. In this case, the reagents are thoroughly mixed with the hot metal to achieve rapid and adequate desulfurization. Reagents using lime, calcium carbide and its mixture with soda, broken into 0.45 to 2.5 mm pieces of material, adding the amount of 1% by weight of the molten iron. Before starting treatment, the temperature of the ladle in the hot metal is 1230