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The difference between spiral freezers and tunnel freezers.

2025-06-18

The quick-freezing machines include fluidized quick-freezing machines, spiral quick-freezing machines, tunnel quick-freezing machines, etc.

1. Difference in structure between spiral quick-freezing machines and tunnel quick-freezing machines:- Spiral quick-freezing machine: Uses a spiral-shaped conveyor belt or transmission device, freezing food as it rises or descends along the spiral.- Tunnel quick-freezing machine: Has a long tunnel-like space where food passes through the tunnel in a straight line on a conveyor belt for freezing.

2. Freezing efficiency of spiral quick-freezing machines versus tunnel quick-freezing machines:- Spiral quick-freezing machine: Since the food comes into more complete contact with the cooling source and continuously flips during the spiral movement, the freezing speed is faster and can achieve deeper freezing in a shorter time.- Tunnel quick-freezing machine: The freezing speed is relatively slower, especially for larger or thicker food items.

3. Space occupation of spiral quick-freezing machines compared to tunnel quick-freezing machines:- Spiral quick-freezing machine: Its structure is more compact and occupies relatively less space, making it more suitable for locations with limited space.- Tunnel quick-freezing machine: Requires a certain length to accommodate food passing through the tunnel, thus occupying more space.4. Applicability of spiral quick-freezing machines versus tunnel quick-freezing machines:- Spiral quick-freezing machine: More suitable for freezing smaller-sized, regularly shaped foods, such as meatballs and shrimp dumplings.- Tunnel quick-freezing machine: Can handle food of various specifications and shapes, including larger items, thus having a wider range of applicability.

5. Flexibility of spiral quick-freezing machines compared to tunnel quick-freezing machines:- Spiral quick-freezing machine: Relatively easy to adjust when switching products, allowing for quick adaptation to different freezing needs.- Tunnel quick-freezing machine: The adjustment process may be more complex, requiring more time and operations for switching between different products.

6. Temperature uniformity of spiral quick-freezing machines compared to tunnel quick-freezing machines:- Spiral quick-freezing machine: Due to the more uniform contact between food and the cooling source during the spiral motion, the temperature distribution is relatively more even.- Tunnel quick-freezing machine: With a longer tunnel, there may be instances of uneven temperature distribution, especially at both ends of the tunnel.

7. Maintenance difficulty of spiral quick-freezing machines compared to tunnel quick-freezing machines:- Spiral quick-freezing machine: The structure is relatively simple, making maintenance somewhat easier.- Tunnel quick-freezing machine: With more components, maintenance may be slightly more challenging.

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