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IQF fluidization tunnel freezer tells: What are the reasons for the high pressure failure of the refrigerator?

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IQF fluidization tunnel freezer tells: What are the reasons for the high pressure failure of the refrigerator?

(Summary description)The refrigerant is overcharged. This situation generally occurs after maintenance, and it is manifested as high suction and exhaust pressure and balance pressure, and high compressor operating current.

IQF fluidization tunnel freezer tells: What are the reasons for the high pressure failure of the refrigerator?

(Summary description)The refrigerant is overcharged. This situation generally occurs after maintenance, and it is manifested as high suction and exhaust pressure and balance pressure, and high compressor operating current.

Information

Do you know the main reason for the high-pressure failure of the refrigerator? Let's follow the editor of IQF fluidization tunnel freezer to have a simple understanding!
The refrigerant is overcharged. This situation generally occurs after maintenance, and it is manifested as high suction and exhaust pressure and balance pressure, and high compressor operating current.
Solution: The refrigerant should be discharged according to the suction and discharge pressure and the balance pressure and the operating current under the rated conditions until it is normal. The cooling water temperature is too high and the condensation effect is poor. The cooling water required by the refrigerator is rated at 30-35°C. High water temperature and poor heat dissipation will inevitably lead to high condensing pressure. This phenomenon often occurs in high temperature seasons. Solution: The cause of the high water temperature may be the failure of the cooling tower, such as the fan is not turned on or even reversed, the water distributor does not turn, it is manifested as the cooling water temperature is very high, and rapid rise; the outside temperature is high, the water path is short, and it can be recycled In this case, the cooling water temperature is generally maintained at a relatively high level, which can be solved by increasing the storage tank.
The cooling water flow is insufficient, and the rated water flow cannot be reached. The main performance is that the pressure difference between the inlet and outlet water of the unit becomes smaller, and the temperature difference becomes larger. Solution: The pipeline filter is blocked or the selection is too fine, and the water permeability is limited. Choose a suitable filter and clean the filter regularly; or the water pump is small and does not match the system. The condenser is fouled or blocked. Condensate water is generally tap water. It is easy to scale when the temperature is above 30℃. Because the cooling tower is open, it is directly exposed to the air. Dust and foreign matter can easily enter the cooling water system, causing the condenser to be dirty and blocking and the heat exchange area is small. , The efficiency is low, and it also affects the water flow. The performance is that the pressure difference and temperature difference between the inlet and outlet water of the unit become larger, and the upper and lower temperatures of the condenser are very high when the condenser is touched by hand. Solution: The unit should be backwashed regularly, and chemical cleaning and descaling should be carried out if necessary.
The above is the introduction of IQF fluidization tunnel freezer editor: introduction to the causes and solutions of high-voltage failures generated by the freezer. I hope you can learn more.

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