GRAM(格兰)平板冻结机,是目前我国沿海地区水产食品行业广泛用于急冻鱼虾等水产品的制冷设备。实践证明,该机设计新颖,性能稳定,冻结速度快,冻品质量好,深受广大用户的欢迎。我们在安装调试前,根据该机的控制特点,在参考国内外有关资料的基础上,自行对该类型机进行整体线路控制设计。经过反复试验修改,获得成功,从 GRAM (Gran) plate freezing machine, is currently China’s coastal aquatic food industry is widely used in frozen fish and shrimp aquatic products such as refrigeration equipment. Practice has proved that the aircraft design novel, stable performance, fast freezing, frozen goods of good quality, welcomed by the majority of users. Before installation and commissioning, according to the control features of this machine, we refer to the domestic and international relevant information and design the overall line control of this machine on our own. After repeated trial and error to be successful, from