When it comes to blast freezing, two common solutions are plate freezers and blast freezers. While both are effective, they serve different purposes. Here’s a detailed comparison:
1. Blast Freezer (Air Blast Freezer)
- Uses an evaporator to maintain ultra-low temperatures (-30°C to -40°C).
- Freezes products within 4 to 20 hours, depending on size and type.
- Ideal for long-term frozen storage, ensuring food safety.
- Flexible loading with trolleys, suitable for various product types.
2. Plate Freezer (Contact Plate Freezer)
- Operates without fan motors, relying on aluminum freezing plates.
- Designed for compact spaces with stainless steel panels for hygiene.
- Best for products that fit in freezing frames/trays (e.g., seafood, meat blocks).
- More energy-efficient and has a faster pull-down time than blast freezers.
Key Difference:
A blast freezer is optimized for long-term deep freezing, while a plate freezer is better for rapid, space-saving freezing of uniform products.
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