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减少冷藏车损失常见的误区有哪些?-j9九游会网址


      很多人对冷藏车不是很了解,因而出现了很多错误判断这样就会造成冷藏车的损失。下面就跟随小编一起来了解一下关于冷藏车减少损失的常见误区都有哪些呢?
 
  1、制冷机可以将货物的温度降低到制冷机的温度最低限。
 
  冷藏车箱体的作用是保温,制冷机的作用是保证箱体内货物的温度不变,不能保证货物的温度降低。制冷机可以轻松的将空气的温度降下来,但是很难将货物的温度降下来,货物的比热值是空气的接近1000倍。
 
 
  2、温度低的货物难降,温度高的货物容易降温。
 
  雪糕的温度控制在-18度这个温度就容易降,益菌奶、瓜果蔬菜、酵母自身产热的物品温度就很难降温,箱体温度降下来了货物的温度不一定降下来。蒙牛的益菌奶只有箱体温度控制在-4度左右,益菌杯内的温度才可以控制在4度左右。
 
  3、货物越少,温度越好降温。
 
  货物越少箱体内的空气体积越大,这就是为什么普遍益菌奶的温度难降温的原因。
 
 
  4、质量好的制冷机可以将箱体内降温出雾气。
 
  降温有雾气主要原因是箱体内的水分太多,或者是制冷机排水不畅不是好现象的表现。看温度表就可以判断出来也可以通过制冷机箱体外部的流水口判断,如果降温过程有持续的水从箱体内流出就正常,否则就是自流水口堵了。
 
  5、制冷机显示器上的温度达不到货物要求的温度,制冷机就在起负作用。
 
  雪糕出库温度-18度装箱打开制冷机显示温度2-3度,甚至7-8度这是货箱内空气的温度。随着制冷的不断继续,显示器的温度也在下降,有的制冷机能达到-18度也有制冷机达不到-18度。
 
 
  6、制冷机的制冷量越大越好。
 
  制冷量大的好处是箱体降温的速度快,压缩机系统内的压力下降快消耗发动机的马力少。
  缺点是消耗电瓶的电量比较大,经常会出现电瓶亏电打不起火来的现象,尤其柴油车会出现这种情况。所以冷藏车安装制冷机最好的原则就是匹配合适的制冷量。
 
  7、制冷机显示器温度在升高,证明货物的温度也在升高。
 
  显示器的温度只是代表箱体内包装物之间的空气温度,不代表货物的温度空气的比热值很低,很容易造成温度回升并不代表货物温度升高。
 
 
  8、箱体的保温不重要,只要匹配个好的冷机就可以。
 
  智能冷藏车箱体能保证-18度的雪糕没有制冷机的情况下,20小时质量没有问题。但彩钢板的保温箱体制冷机连续制冷20小时,箱体内的货物会出现不同程度的化货。保温箱体是保证货物不导热的根本保障,制冷机是保障箱体内空气温度下降的原因。制冷机可以保证空气的温度下降,但是不能保证货物的热量通过箱体往外导热,冷藏车选择一个好的箱体比选择一个好的制冷机重要的多。
 
 
  以上就是小编整理的关于冷藏车减少损失常见误区知识,希望能对冷藏车的用户们有所帮助,尽量减少大家的损失。
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