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铁合金电炉,一般多用具有铁皮外壳的连续式自焙电极,简称自焙电极,以与预焙之厂墨或炭质电级相区别。其电流密度之选择,一般多认为近似定值,其范围甚小。例如:(一)苏联资料介绍:大型炉为4.0～5.5安/厘米~2,中型炉为5～7安/厘米~2。(二)英美资料:介绍为4.95～5.95安/厘米~2(按原式电极载流量:I=25～30D_E2折算,式中 D_E~2单位为时。另介绍以铝皮作壳者,其电密可达10安/厘米~2。)
Ferroalloy furnace, the general multi-purpose with a tin shell continuous self-baking electrode, referred to as self-baking electrode, with the pre-baked plant ink or carbon level difference. The choice of the current density, generally considered more approximate value, its scope is very small. For example: (A) Introduction of the Soviet Union: large-scale furnace 4.0 ~ 5.5A / cm ~ 2, medium-sized furnace 5 ~ 7A / cm ~ (B) Anglo-American data: Introduction 4.95 ~ 5.95 A / cm ~ 2 (according to the original electrode carrying capacity: I = 25 ~ 30D_E2 conversion, where D_E ~ 2 units. Electricity up to 10 A / cm ~ 2.)