Heat exchangers are the important apparatus for chemical industry . floating - end heat exchanger is the widly used type of the heat exchangers 换热器是重要的化工单元操作设备,浮头式换热器是换热器的一种重要类型。
The main recovery equipments are all put in the steel frame structure equipment , and the floor space is smaller than that of the domestic single tank and decrease relative investment cost 塔类设备在化工炼油医药食品及环境保护等工业部门,塔设备是一种重要的单元操作设备。