Definition:Industrial freezing equipment using very low temperatures (-30°C to -40°C) and high airflow velocity (3-6 m/s) to freeze products rapidly.
Types::
- **Batch blast freezer**: Products loaded on racks or carts, frozen in batches
- **Continuous blast freezer**: Conveyor system, products move through freezing tunnel
- **Spiral freezer**: Vertical spiral conveyor, space-efficient continuous freezing
- **Fluidized bed freezer**: Products suspended in upward airflow (IQF)
Capacity:: Small: 100-500 kg/hour; Large: 5,000-20,000 kg/hour
Related Terms:: IQF, Cryogenic Freezing, Freezing Rate, Deep Frozen
Find Services:: Cold storage facilities with blast freezing