圆块孔式石墨换热器在废电解液升温中的应用

Application of Round Block Hole Graphite Heat Exchanger in Waste Electrolyte Heating

锌湿法冶炼"热酸高温浸出"工艺中,废电解液加热使用换热器的实用情况,探讨了不同换热器的选用,发现圆块孔式石墨换热器在生产过程中具有换热效率高、设备耗费少、易于清理维护等优点,使用过程中结晶的清理方式,在高温废电解液环境下延长使用寿命等问题。

In the"hot acid high temperature leaching"process of zinc hydrometallurgy,the practical situation of using heat exchangers for heating waste electrolyte is discussed,it is found that the round block hole graphite heat exchanger has the advantages of high heat transfer efficiency,low equipment cost,easy cleaning and maintenance,and the cleaning method crystallized in use,in the environment of high temperature waste electrolyte to extend the service life and other issues.