The Double Spiral Freezer is a practical solution for processors seeking greater conveyor capacity without expanding the freezing area excessively. Its multi-layer spiral layout places a long conveying path inside a compact structure, reducing required floor space by approximately one-third to one-half compared with traditional equipment of similar capacity. This arrangement supports efficient plant planning and productive use of available space.
Freezing time can be adjusted from 20 to 90 minutes, allowing the equipment to handle prepared meals, meat portions, ice cream, packaged products, seafood, fruits, and vegetables. Top-blow or lateral-blow airflow can be selected to match different production needs.
LSJ Single Drum Spiral IQF Freezer
|
Model |
Capacity (kg/h) |
Freezing Time (min) |
Refrigeration Consumption (kW) |
Install Power (kW) |
Overall Dimension L×W×H (m) |
|
LSJ-I-500 |
500 |
15–90 |
85 |
16.2 |
7×5.8×3.1 |
|
LSJ-I-750 |
750 |
15–90 |
125 |
21.7 |
7.5×6×3.3 |
|
LSJ-I-1000 |
1000 |
15–90 |
165 |
22.9 |
7.7×6×3.8 |
|
LSJ-I-1500 |
1500 |
15–90 |
220 |
24.6 |
8.3×6.2×4.5 |
|
LSJ-I-2000 |
2000 |
15–90 |
300 |
27 |
8.8×6.5×4.8 |
LSJ Double Drum Spiral IQF Freezer
|
Model |
Capacity (kg/h) |
Freezing Time (min) |
Refrigeration Consumption (kW) |
Install Power (kW) |
Overall Dimension L×W×H (m) |
|
LSJ-II-1000 |
1000 |
15–90 |
165 |
20 |
12.5×4.6×3.1 |
|
LSJ-II-1500 |
1500 |
15–90 |
220 |
24 |
13.1×5.0×3.6 |
|
LSJ-II-2000 |
2000 |
15–90 |
300 |
32 |
16.1×5.1×3.9 |
|
LSJ-II-2500 |
2500 |
15–90 |
360 |
40 |
16.1×5.3×4.3 |
|
LSJ-II-3000 |
3000 |
15–90 |
400 |
46 |
17.6×6×4.8 |
Note: Feeding temperature: +15°C; discharging temperature: −18°C; refrigerant: R717 or R22.
Product Features
1. Space-Efficient Capacity: The layered spiral path provides extended belt travel and useful processing capacity while keeping the equipment footprint compact.
2. Stable Air Distribution: Symmetrical circular air ducts around the Double Spiral Freezer tower and evaporator accelerate heat exchange and reduce cold loss at product entry and exit points.
3. Secure Conveying: A smooth SUS304 stainless-steel belt minimizes product marks, while side chains with anti-slip stoppers hold trays securely and reduce waste.
4. Production Flexibility: Adjustable residence time and customizable conveyor directions simplify connection with preparation, frying, packaging, and downstream handling equipment.
The compact arrangement also gives planners more freedom to organize surrounding preparation and packaging equipment, improving material flow while preserving access for cleaning, inspection, and daily maintenance tasks safely.
With its combination of compact capacity, controlled airflow, secure product movement, and flexible integration, the Double Spiral Freezer supports efficient output and consistent frozen-food quality.
Q&A
Q: What types of food are frozen with IQF?
A: Suitable for nearly all foods, IQF is primarily used for fruits, vegetables, seafood, and meat cuts. It preserves perishables effectively by preventing clumping and maintaining individual product integrity.
Q: Can the freezing time be adjusted?
A: Yes. Operators can control freezing time by adjusting conveyor speed, chamber temperature, airflow, and product loading.
Q: What are the main advantages of a spiral freezer?
A: It provides continuous freezing, high production capacity, efficient airflow, uniform product quality, and excellent space utilization.
Q: What is the difference between a single-drum and double-drum spiral freezer?
A: A single-drum model is compact and suitable for moderate output, while a double-drum model provides longer retention time and greater capacity.
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