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一、醫藥冷庫制冷系統內部制冷劑不足從而導致制冷效果不好。

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

1、一般制冷系統里面制冷劑的量不足主要都是由兩個原因引起的，一是冷凍庫安裝完成后制冷劑的充注量不夠還有就是后期運行過程中有制冷劑泄漏的情況出現。

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、兩種情況都是只需要將系統里面的制冷劑補充夠量就好了。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、節流閥閥門堵塞或者調節不當造成的制冷劑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、節流閥主要是用于控制流經蒸發器的制冷劑流量大小的。如果節流閥門開得過大，相應的制冷劑的流量就會偏大，制冷系統的蒸發壓力以及蒸發溫度就會升高，從而直接導致冷庫內溫度的下降速度放緩，造成制冷效果差的情況;

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、節流閥閥門如果開得過小或者堵塞，相應的就會造成制冷劑的流量變小，同樣也會造成制冷量的減小，冷庫內的溫度下降速度依然會放慢甚至不制冷。

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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