一、问题的提出: 近几年来随着人们生活水平的不断提高,对食品的要求越来越高,为了保持食品原有的风味,营养价值,在加工中对环境,食品的冷却等均有严格要求,例如在肉用鸡加工中,除了要求在分割、冷却、包装肉鸡车间等空调区域温度保持在 First, the problem raised: In recent years as people’s living standards continue to increase, the requirements for food are getting higher and higher, in order to maintain the original flavor of food, nutritional value, processing in the environment, food cooling, etc. are Strict requirements, for example, in the processing of meat chicken, in addition to the requirements in the division, cooling, packaging, broiler workshop and other air-conditioning area temperature is maintained at