Blast Freezer Evaporators
For food safety and shelf life, there is a special process in which products must be frozen as quickly as possible: blast freezing.
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About the product.
Blast freezer evaporators are developed for cooling environments down to −40 °C and, with their high-power fans and large-surface coil structure, bring the product’s core temperature to the target value within minutes.
For sensitive products such as meat, poultry, fish, fruit and vegetables, these units preserve quality, prevent microbiological spoilage and prevent the loss of nutritional value.
Areas of Use
- Meat and poultry processing plants
- Fish blast freezing areas
- Vegetable & fruit blast freezing rooms
- Ready-meal production facilities
- Frozen product export warehouses
Advantages
- Ultra-Fast Heat Extraction The product core temperature is lowered in a very short time.
- Preserves Food Quality Cell structure is not damaged; taste and texture are preserved.
- High Air Flow Rate Air flow reaches every point evenly.
- Robust Casing & Insulation High durability at low temperatures.
- Wide Range of Capacities Model alternatives are available for different room sizes.
Points to Consider
- Blast freezing time must be calculated correctly according to the type of product (factors such as product thickness and moisture content must be taken into account).
- Defrost cycles must be programmed correctly to eliminate the risk of excessive icing.
- Fan direction and speed must be adjusted according to how the products are placed.
- Drainage systems must be heated ; otherwise ice blockages may occur.
In Conclusion:
With their low-temperature operation, high-speed fans and large-surface coils, blast freezer evaporators are an indispensable choice for businesses that want to extend the shelf life of their products and freeze them at the highest quality.
If food safety is your priority, the blast freezing process must always be kept under control.
Technical Specifications
- Operating Range Stable operation between −18 °C and −40 °C
- Number of Fans 2 to 6 high-speed fans (usually over Ø500 mm)
- Fan Type Usually suction type – draws air in rapidly
- Air Throw Direction Direct forward air flow along the ceiling or front
- Coil Structure Large surface, reinforced design resistant to heavy frosting
- Defrost System Electric heater – an effective solution against heavy icing
- Condensate Drainage Uninterrupted drainage with a steeply sloped, heated drain system
- Casing Option Stainless steel – ideal for environments requiring hygiene
- Casing Structure Closed box form – provides high-pressure, controlled air circulation
Comparison
| Feature | Ceiling-Mounted Evaporator | Wall-Mounted Evaporator | Blast Freezer Evaporator |
|---|---|---|---|
| Installation Location | Ceiling | Wall (rear/short side) | Ceiling or side wall |
| Fan Type | Suction type | Blowing type | Suction type (high speed) |
| Air Flow Direction | Spread to the sides | Direct forward throw | Direct and high speed |
| Operating Temperature | +2 °C / −25 °C | +2 °C / −25 °C | −18 °C / −40 °C |
| Area of Use | Cold rooms, racked stores | Large-volume rooms | Blast freezing rooms |
| Defrost System | Optional heater | Optional heater | Powerful electric heater |
| Condensate Drainage | Bottom tray + drain | Side drain | Heated sloped drain |
| Number of Fans | 1 – 4 | 1 – 4 | 2 – 6 (large diameter) |
| Hygienic Structure | Optional stainless | Optional stainless | Stainless casing recommended |
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Selected productBlast Freezer Evaporators
