Reasons for Abnormal Evaporating Temperature of Refrigeration Chiller
First, the evaporation temperature is low
The reason for the low evaporation temperature is generally that there is less refrigerant in the evaporator or the heat exchange effect of the evaporator is not good. For example, there are the following reasons:
1. The opening of the expansion valve is small
2. The refrigeration system lacks refrigerant
3. The capillary or expansion valve is blocked
4. The filter is clogged
5. Insufficient air volume of the internal machine
6. The evaporator is seriously frosted
The above points 1-4 mainly analyze the lack of refrigerant, and 5-6 mainly analyze the poor heat exchange effect of the evaporator.
Second, the evaporation temperature is too high
The main reasons are as follows:
1. Excessive opening of expansion valve
2. Too much refrigerant
3. There is air in the system
4. The outlet of the evaporator is blocked
5. The condensation effect is not good
6. Low compressor efficiency or low speed
7. The compressor valve plate is broken or there is leakage
8. The heat load is too large
Third, there may be many other reasons. It is recommended to consider the following three aspects:
1. There is too much refrigerant in the evaporator
2. The condensation pressure is high
3. The compressor speed is low
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Low Temperature Water Cooled Chillers
温度制御範囲:-150℃~-5
Application: Various Reactors, Distillation or Extraction System, Laboratory, Research Institute, Chemical, Pharmaceutical, Petrochemical, Biochemical, Medical, Hospital, R&D Workshop, Semiconductor Test, Aerospace, Biological and Other Industries.
温度範囲 | -25°C ~ -5°Cシリーズ | -45°C ~ -10°Cシリーズ | -60°C ~ -10°Cシリーズ | -80°C ~ -30°Cシリーズ | -110°C ~ -50°Cシリーズ | -150℃〜-110℃シリーズ |
冷却能力 | 最大360kW | 最大360kW | 最大360kW | 270kWまで | 180kWまで | 最大11kW |
Air Cooled Recirculating Chillers
Temperature Control Range: -120°C to 30°C
Application: Various Reactors, Distillation or Extraction System, Laboratory, Research Institute, Chemical, Pharmaceutical, Petrochemical, Biochemical, Medical, Hospital, R&D Workshop, Semiconductor Test, Aerospace, Biological and Other Industries.
温度範囲 | -25°C ~ 30°C series | -45°C ~ 30°C series | -60°C ~ -20°Cシリーズ | -80°C ~ -20°Cシリーズ | -120°C ~ -70°Cシリーズ |
冷却能力 | 最大38kW | 最大12kW | 最大7.2kW | 最大7.2kW | 最大8.6kW |
Normal Temperature Chillers
温度制御範囲+5℃〜+50
Application: Various Reactors, Distillation or Extraction System, Laboratory, Research Institute, Chemical, Pharmaceutical, Petrochemical, Biochemical, Medical, Hospital, R&D Workshop, Semiconductor Test, Aerospace, Biological and Other Industries.
温度範囲 | -18°C ~ +30°C | +5°C ~ +50°C series |
冷却能力 | 0.9kWまで | 最大50kW |