一、医药冷库制冷系统内部制冷剂不足从而导致制冷效果不好。

First, the refrigerant shortage in the refrigeration system of pharmaceutical cold storage leads to poor refrigeration effect.

1、一般制冷系统里面制冷剂的量不足主要都是由两个原因引起的，一是冷冻库安装完成后制冷剂的充注量不够还有就是后期运行过程中有制冷剂泄漏的情况出现。

1, the amount of refrigerant in the refrigeration system deficiencies are mainly caused by two reasons, one is the freezer after installing refrigerant enough there is late in the running process of the emergence of refrigerant leakage.

2、两种情况都是只需要将系统里面的制冷剂补充够量就好了。后者需要先把泄漏的地方修不好。

2, the two situation is only need to add enough amount of refrigerant in the system just fine. The latter needs to repair the leaking place first.

二、节流阀阀门堵塞或者调节不当造成的制冷剂的流量太大或者太小

Two, throttle valve blockage or improper adjustment caused by refrigerant flow is too large or too small

1、节流阀主要是用于控制流经蒸发器的制冷剂流量大小的。如果节流阀门开得过大，相应的制冷剂的流量就会偏大，制冷系统的蒸发压力以及蒸发温度就会升高，从而直接导致冷库内温度的下降速度放缓，造成制冷效果差的情况;

1, throttle valve is mainly used to control the flow through the evaporator refrigerant flow size. If the throttle valve open too large, the refrigerant flow rate will be relatively large, the refrigeration system of the evaporation pressure and evaporation temperature will rise, which led directly to the refrigerator temperature decline slowed, resulting in poor cooling conditions;

2、节流阀阀门如果开得过小或者堵塞，相应的就会造成制冷剂的流量变小，同样也会造成制冷量的减小，冷库内的温度下降速度依然会放慢甚至不制冷。

2, the throttle valve opening if too small or blocked, it will cause the corresponding refrigerant flow becomes smaller, will also decrease the cooling capacity of the refrigerator, the temperature drop rate will still slow down or even without refrigeration.

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