本期封三广告介绍的板式换热器,是一种高效、低耗的换热设备,其传热系数K值较之列管式、薄板式、螺旋式等换热器高2～4倍;在同一压力损失条件下,传递的热量为其他类型换热器的6～10倍;热回收率高达80～85％。它适应的范围很广,普通流体、含小直径固体颗粒的流体,及含少量纤维的物体均能处理;不仅可为液体加热、热量回收、冷却,液体食品的杀菌,而且也可用作汽体的冷凝和蒸发,目前已广泛用于饮料、乳品、制酒、制药、油脂、造纸、印染、化工、轮舶、机械等行业,取得显著的效果。例如,乳品工业中的牛奶杀菌工艺,要求进口温度5℃,杀菌温度85℃,出口温度5℃。每小时处理3000升牛奶,需要热量225600千卡;如采用设有热 This issue of cover plate three ads introduced plate heat exchanger, is a high efficiency, low consumption of heat transfer equipment, the heat transfer coefficient K value than the tube, sheet, screw type heat exchanger 2 to 4 times ; In the same pressure loss conditions, the heat transfer of other types of heat exchanger 6 to 10 times; heat recovery as high as 80 to 85%. It is adapted to a wide range of ordinary fluids, fluids containing small diameter solid particles, and objects containing a small amount of fiber can be handled; not only liquid heating, heat recovery, cooling, liquid food sterilization, but also can be used as steam Body condensation and evaporation, has been widely used in beverages, dairy products, wine, pharmaceutical, grease, paper, printing and dyeing, chemical, shipbuilding, machinery and other industries, and achieved remarkable results. For example, the dairy industry milk sterilization process, the import requirements of 5 ℃, sterilization temperature of 85 ℃, the outlet temperature of 5 ℃. Handling 3000 liters of milk per hour requires 225600 kcal of heat; if equipped with heat