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Common Problems and Solutions of Shanghai Yetuo Vacuum Freeze Drying Machine
release time:2022-10-24  |  Browse:2620

Shanghai Yetuo Vacuum Freeze Drying Machine is a new type of equipment that integrates refrigeration system, vacuum system, thermal oil heating system, and dehumidification system. It can use the material space inside the box to dry. Suitable for drying high-end raw materials, traditional Chinese medicine, biology, wild vegetables, dehydrated vegetables, food, fruits, chemicals, pharmaceutical intermediates and other materials.

In the past decade, vacuum freeze-drying products have made significant progress and their application areas have gradually expanded. In the field of life science research, vacuum freeze-drying technology can be used for the study of antibodies, proteins, tissues, and microorganisms, and has therefore been widely applied in the field of biopharmaceuticals. In the pharmaceutical industry, Shanghai Yetuo vacuum freeze dryer is widely used for the preparation of vaccines and antibiotics.

In the process of vacuum freeze-drying, if there is a malfunction, it can easily affect the working process. However, users will inevitably encounter some minor malfunctions during use. To understand the causes of faults and corresponding solutions, in order to timely diagnose and eliminate faults.

Common problem 1: Unstable power supply voltage

It is understood that the normal working power voltage of a freeze dryer is 215-225 volts. If the voltage deviates from the allowable range, the compressor cannot work effectively or even cannot operate at all.

The solution to unstable power supply voltage is to replace it with a qualified power supply when the power supply voltage is not up to standard; When the power supply voltage is unstable, AVR (220V) can be used or a voltage regulator can be added to the original working power supply.

Common problem 2: High humidity in the environment

When the humidity in the environment is high, it is easy for electrical faults or short circuits to occur. The repair method for this situation is to use ventilation equipment or open windows for ventilation, thereby reducing humidity.

Common problem three: Indoor temperature above 30 ℃

The Shanghai Yetuo vacuum freeze dryer needs to operate in a suitable environment. When the indoor temperature exceeds 30 ℃, the condenser may not be able to perform its condensing function, resulting in system failure. The maintenance method at this time is that if the indoor temperature is around 28 ℃, the user can open the back door of the condenser or the door of the room to optimize the ventilation and cooling conditions.

Common problem four: Excessive dust on the freeze dryer or in the environment

According to the investigation, if there is too much dust on the condenser and compressor, it is easy for the condenser to fail to achieve the condensing effect, which directly affects the performance of the compressor.

Therefore, regular dust removal is necessary. Industry advice suggests that if there is too much dust in the environment, users can regularly clean the dust covering the compressor and condenser every month. To prevent damage to the vacuum freeze dryer, a soft brush can be used to remove dust from the compressor, condenser, and pipelines.

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