推荐回答(5个)
保鲜库
温度一般在0-5度。主要用于鲜肉、乳品、鲜蛋、果蔬的保鲜。它使食品处于较低的温度,而温度又不低于0度,在这种情况下,食品可以尽可能的保持新鲜。
冷藏库
温度一般在-10-- -20度。主要用于食品的冷藏,不定期的将部分食物放入冷库,同时又要不定期的将另一部分食品取出冷库,对食品的冷藏时间没有具体要求,且库温保持在-15-- -18 的范围。
速冻库
库温一般在-30度以下。主要用于食品的速冻,如速冻水饺、速冻蔬菜等,要求在限定时间嫩迅速将食品冻结。
低温库
温度一般在-22-- -25度。主要用于库温在-22 -- -25度时的食品储藏。只有在这个温度下,食品才不会变质。低温库的特点是不定期的逐步将食品放入冷库,经过一段时间,对这段时间嫩的库温没有特殊的要求,冷库的温度达到-25度,待冷库内的温度稳定后,对冷库的温度要求十分严格。
超低温冷库的温度要求一般是-30℃~-80℃,一般是用于存放珍贵的海鲜食品,比如说存放金枪鱼,超低温冷库建造就可以让金枪鱼的品质得到保证,也能够避免食品因为中心的温度没有办法达到标准的要求而出现变质的现象。
超低温冷库建造的优点:
超低温冷库建造的优点就在于能够避免细胞之间形成冰晶体,也可以减少细胞之间出现水分外系的情况,解冻的时候也会出现汁液流失减少的一个情况。细胞组织内部的溶液以及各种成分在互相接触的时候会缩短有效的时间,因此就能够导致危害性下降到最低的程度,食品迅速降低到符合的温度下,那么就能够预防微生物出现生化的反映,食品在冻结的过程中,那么停留的时间比较短,也能够帮助设备的利用率得到有效的提升,一般性的食品在温度降低到零下一度的时候,就会出现结冻的现象,如果温度在零下一度到零下五度之间,那么就会形成冰晶这一个阶段,也就是我们所了解的最高冰结晶生成阶段,超低温冷库建造就能够让这一个阶段的冻结现象大幅度的缩短,也能够帮助我们快速的排除储存物品的部分热量,这对于提高食品存放的品质有着一定的意义。
冷库大致分以下几种:
1、物流冷库:温度要求不一样的,有可能保鲜是0~10度,有可能是速冻零下的。
2、保鲜冷库:温度0~8度
3、速冻冷库:0~-30度
4、医药冷库:温度要求根据客户需求
5、气调冷库:和保鲜差不多
6、防爆冷库:根据产品要求。
总结:每一种冷库只是一种称呼,具体温度还是要根据实际情况。
----貌盛制冷
冷藏库:温度一般在-10-- -20度
保鲜库:温度一般在0-5度
速冻库:库温一般在-30度以下
低温库;温度一般在-22-- -25度
蓝梦制冷 你的冷库书籍
保鲜0摄氏度, 冷藏-18 冷冻-25 速冻-30
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