1. Protection against mechanical injury and frostbite: It is strictly prohibited to reach out, clean, or adjust the belt during operation
The common types of strawberry quick freezing lines are IQF tunnel, spiral, or fluidized bed equipment, where conveyor belts, fans, chains, and vibration mechanisms can easily cause entanglement and compression; The temperature of the storage and evaporator surfaces can easily cause low-temperature burns.
Operation points:
It is strictly prohibited to manually organize strawberries, clean stuck materials, adjust mesh belts, or remove protective covers during equipment operation.
Before cleaning, defrosting, and maintenance, the equipment must be shut down, powered off, tagged and locked, and confirmed to be completely stopped.
Before entering the freezer or freezer, it is necessary to confirm that the fan has stopped and there is no one inside the freezer. If necessary, double person operation and entrance and exit control should be implemented.
Wear cold resistant gloves when in contact with low-temperature components, trays, and finished products to avoid direct skin contact with the evaporator, cold air outlet, and frozen metal surfaces.
2. Prevention of low temperature, oxygen deficiency and refrigerant leakage: ventilation, alarm, strictly prohibit single person adventure
If the production line uses liquid nitrogen quick freezing, CO ₂ quick freezing, or ammonia/fluorine refrigeration systems, ventilation and leak monitoring must be prioritized. Accumulation of liquid nitrogen and nitrogen can lead to hypoxia; Ammonia leakage has irritant and explosive risks; Fluorine refrigerant leakage may also cause suffocation and equipment failure.
Operation points:
Oxygen concentration detection and alarm devices should be installed around the quick freezing machine, and the oxygen concentration should generally be maintained above 19.5%.
The workshop must maintain good ventilation, and the exhaust system of the liquid nitrogen quick freezing equipment should be opened normally. It is strictly prohibited to stay in a closed space for a long time.
If abnormal frosting, odor, alarm sound, or dizziness or fatigue are found in the refrigeration pipeline, immediate evacuation, ventilation, and shutdown for repair should be carried out.
When dealing with refrigerant leaks, entering enclosed areas, or conducting night maintenance, single person operation is strictly prohibited and must be carried out in accordance with the approval and supervision system.
3. Prevent water running, electrical accidents, and slipping: Strawberries must be water controlled after cleaning
The front end of the strawberry quick freezing line usually has cleaning, disinfection, and draining processes, and the ground and equipment surfaces are prone to water accumulation. Running with water increases the risk of slipping, electric leakage, icing and freezing of the fan.
Operation points:
Strawberries should be fully drained before entering the freezer to avoid excessive free water on the surface and reduce internal freezing and strawberry adhesion.
It is strictly prohibited to directly flush motors, electrical control boxes, sensors, and junction boxes when flushing the ground or equipment; Before cleaning, power should be turned off or waterproof protection should be taken.
Keep the ground slip resistant and free of standing water, promptly clean up fallen strawberries and ice debris, and prevent personnel from slipping or conveyor belt deviation.
After defrosting, the remaining water must be drained and the drainage outlet must be confirmed to be unobstructed to prevent the formation of ice layer after further cooling, which may cause the mesh belt to get stuck or personnel to fall.

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+86 15088506234
 

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South Industrial Park of Dongguan, Shangyu District, Shaoxing City,Zhejiang Province,China.