在干法水泥生产的回转窑窑尾安装悬浮预热器，可使入窑生料悬浮于烟气中，与烟气进行热交换，生料经预热、分解后再入窑煅烧。该设备是在引进国外先进技术的基础上，经过消化吸收并配套开发的新产品，具有单位产品热耗低，窑的单位容积产量高、对原料适应性强、入料分解率高，防结皮堵塞等特点。

　　Suspension preheater is installed in rear kiln of rotary kiln in dry-process cement production.It may make raw material suspended in the gas. Exchange the heat with gas.The dryer is ontroduced domestic and abroad advanced technology, develop a new product after absorbing, It is characterized by high unit volume and strong adaptability of raw materials, feeding rate of decomposition and anti-blocking etc.