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从焊锡电解阳极泥中回收氯化亚锡,以补充电解过程中氯和锡离子的消耗,这是焊锡电解不可缺少的工序。长期以来用反应锅生产氯化亚锡和粗铅,因为铁锅易腐蚀,供应铁锅困难,劳动条件较差,普遍要求改进设备或工艺。有的厂改用湿法处理,由于消耗氯气较多,流程也较复杂,不能普遍采用。有的厂用感应电炉代替反应锅,因为熔沟的结构不适于操作,生产上还没有应用。
The recovery of stannous chloride from the anode of the solder electrolysis electrolysis, in order to replenish the consumption of chlorine and tin ions in the electrolysis process, is an indispensable procedure for the soldering of tin. The production of stannous chloride and crude lead from reaction cookers has long been a problem because of the perishability of woks, the difficulty of supplying woks, the poor working conditions, and the general requirement for improved equipment or processes. Some plants switched to wet treatment, due to consume more chlorine, the process is more complex and can not be used universally. Some plants use induction furnace instead of the reaction pot, because the structure of the ditch is not suitable for operation, production has not been applied.