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The Multipass Belt IQF Tunnel Freezer is engineered for large-scale food processing, offering low shrinkage and high product integrity across high-volume production runs. Its multi-tiered belt system maximizes freezing efficiency by exposing products to cold air (-30°C to -40°C) during multiple passes, making it ideal for dense or irregularly shaped items like French fries, chicken nuggets, and pizza toppings. This equipment integrates seamlessly into automated lines, from pre-processing to packaging, ensuring consistent quality in mass-produced frozen foods.
12 months
Customized
R404
Low Shrinkage: Advanced airflow dynamics—combining horizontal and vertical air streams—minimize moisture loss to ≤0.15%, preserving product weight and texture (e.g., crispiness in fries).
High Capacity: Processes up to 1,000 kg/h with a 3-tier configuration, with options to expand to 5 tiers for 1,500 kg/h throughput—all within a footprint of 11m x 2.3m.
Gentle Handling: Slow belt speed (0.5–5 m/min) and minimal product transfer between tiers reduce breakage, with soft-landing chutes for fragile items like breaded seafood.
Energy Saving: An integrated heat recovery system captures waste cold air from the freezer exhaust, pre-cooling incoming products and reducing energy use by 25% compared to single-pass tunnels.
Flexible Operation: Independently adjustable speed and temperature settings for each belt tier allow customization for multi-stage freezing—e.g., initial crust freezing followed by deep freezing.
Belt Configuration: 3–5 tiers of 316-grade stainless steel belts (1.2m width) with interlocking design to prevent product spillage, featuring food-grade lubrication for smooth operation.
Airflow Management: 12 high-velocity fans (5,000 CFM each) with variable pitch blades ensure uniform temperature distribution, with air filters that capture 99.9% of particulates to maintain hygiene.
Control System: Siemens S7 PLC with a 12-inch HMI interface, enabling recipe storage (up to 100 programs) for quick changeovers between products (e.g., from onion rings to mozzarella sticks).
Sanitation: Fully automated CIP system with 360° rotating spray nozzles, detergent dosing, and hot water rinse (85°C) to eliminate bacterial biofilms, complying with ISO 22000 standards.
Dimensions: Standard tunnel length of 11m (expandable to 15m), with a height of 2.5m to fit under standard factory ceilings, and fork pockets for easy installation.
Our Multipass Belt IQF Tunnel Freezer is trusted by global quick-service restaurant suppliers for its ability to maintain product quality at scale. Each unit is tested to withstand 10,000 hours of continuous operation, meeting CE, UL, and CSA certifications. We offer custom engineering—including belt width adjustments and integration with metal detectors or weight checkers—to align with your production goals. Our commitment to reliability is backed by a 7-year warranty on belts and motors, with 24/7 technical support via a dedicated hotline. Clients report a 20% reduction in product waste and a 15% increase in packaging efficiency due to uniform product size after freezing.
