日本安中冶炼厂是生产电锌、镉和浓硫酸的湿法炼锌厂。从节能出发,将浸出渣的脱水由原来的带式过滤机回转窑干燥改为全自动挤压式压滤机进行。老方法及其问题焙砂浸出渣及炉渣湿法处理后的含银铅渣浓密后用带式过滤机或压滤机过滤,再进回转窑干燥,然后运到下一工序,这是多年来采用 Anzhong Smelter in Japan is a zinc smelter that produces electricity zinc, cadmium and concentrated sulfuric acid. Starting from the energy saving, the leaching residue dehydration from the original belt filter rotary kiln drying changed to fully automatic squeeze filter. The old method and its problems calcine leaching residue and slag after wet processing of lead-containing silver thick with a belt filter or filter press, and then back to the kiln drying, and then shipped to the next process, which is for many years use