Liquid Nitrogen Quick Freezing
LN2 tunnel, cabinet, spiral, -80°C tunnel and immersion freezers — VF series full range.
VF series ultra-low temperature LN2 tunnel freezer uses liquid nitrogen as cooling medium, reaching −196°C. Designed to HACCP, stainless steel body modules, LN2 refrigeration modules, screw lift modules, mesh belt conveyor, and electrical control. Suitable for large-scale continuous production lines.
Seafood, aquatic products, beef/lamb, poultry, ready-meal packs, premium pastry.
- Zero dry loss with ultra-fast freezing
- Intact cell preservation, minimal juice loss
- Mechanical screw-driven body opening for easy maintenance
- 5-speed variable adjustment
| Model | Length (mm) | Belt Width (mm) | Power (kW) | Capacity (kg/h) |
|---|---|---|---|---|
| VF-QFL1206 | 6000 | 1200 | 8 | 400–500 |
| VF-QFL1209 | 9000 | 1200 | 12 | 600–800 |
| VF-QFL1212 | 12000 | 1200 | 16 | 800–1000 |
| VF-QFL1609 | 9000 | 1600 | 16 | 800–1000 |
| VF-QFL1612 | 12000 | 1600 | 18 | 1000–1200 |
| VF-QFL1615 | 15000 | 1600 | 20 | 1400–1600 |
| VF-QFL1816 | 16000 | 1800 | 24 | 2000–2500 |
| VF-QFL1818 | 18000 | 1800 | 24 | 2250–2750 |
| VF-QFL2×18 | 18000 | 2×1800 | 32 | 2500–3000 |
| VF-QFL2×36 | 36000 | 2×1800 | 64 | 5000–6000 |
The VF LN2 cabinet freezer is designed for small-to-medium batch or intermittent freezing. Consists of stainless steel body, LN2 refrigeration modules, electrical control, and trolleys — offering 50 to 2000 kg/h.
Seafood, meat, poultry, ready meals, premium pastry.
- Zero dry loss with intact cell preservation
- Trolley loading/unloading for flexible batch operation
- Comprehensive range covering 50–2000 kg/h
| Model | Chamber W×D×H (mm) | Outer W×D×H (mm) | Power (kW) | Capacity (kg/h) |
|---|---|---|---|---|
| VF-QF-50A | 700×900×700 | 1550×1300×2000 | 1 | 50 |
| VF-QF-100A | 700×900×1400 | 1550×1300×2000 | 1.5 | 100 |
| VF-QF-150A | 700×900×1800 | 1550×1350×2300 | 1.5 | 150 |
| VF-QF-300A | 900×1320×1800 | 1750×1750×2300 | 2.5 | 300 |
| VF-QF-600A | 900×1100×1800 | 2700×2000×2300 | 3.5 | 600 |
| VF-QF-1200A | 1170×1500×1800 | 3800×2000×2300 | 7 | 1200 |
| VF-QF-2000A | 1350×1450×1800 | 5920×2200×2580 | 10 | 1500 |
| VF-QF-3000A | 1350×1700×1800 | 5920×2420×2580 | 10 | 2000 |
The spiral mesh belt freezer uses variable-frequency axial fans to distribute low-temperature air evenly. Drive system is external for easy maintenance and hygiene. Advanced air curtain system ensures near-zero cold loss at entry/exit.
IQF shrimp and aquatic products, meat/poultry, bakery.
- Advanced airflow for uniform distribution and high freezing efficiency
- Small footprint with wide capacity range
- External drive — stable, hygienic, easy to maintain
- VFD stepless speed adjustment
- Optional automatic cleaning system
- PLC touchscreen with process memory
| Model | Dimensions L×W×H (m) | Power (kW) | Capacity (kg/h) |
|---|---|---|---|
| VF-IQF-SP650×12T | 9.5×7.5×3.2 | 22 | 1500 |
| VF-IQF-SP650×16T | 9.5×7.5×3.8 | 25 | 2000 |
Uses multiple high-pressure air-duct fans with custom nozzles to direct airflow onto both upper and lower product surfaces, achieving fully balanced high-speed flow field distribution. Heat exchange efficiency is 1.5–2× that of standard belts.
Bulk freezing for central kitchens and food processing plants.
- Tunnel-type: −60°C binary refrigeration for faster freezing
- Tunnel-type: Upper/lower nozzle collision airflow design
- Tunnel-type: Modular design for quick installation
- Tunnel-type: HMI with remote monitoring
- Cabinet-type: High-efficiency binary refrigeration
- Cabinet-type: Pass-through trolley loading with anti-slip floor
- Cabinet-type: Powerful fans reduce refrigeration time
- Cabinet-type: Large batch freezing for increased throughput
Uses food-grade freezing liquid as refrigerant with minimum freezing point of −70°C and thermal conductivity 25× that of air. Features multi-pump circulation, optimized jet system, and automatic liquid replenishment with real-time concentration monitoring.
Premium packaged foods — fish/shrimp, frog, poultry, red meat, ready meals.
- 15%+ higher freezing efficiency than comparable equipment
- −70°C liquid temperature with ample redundancy
- Automatic liquid replenishment with recycling and concentration monitoring
- Patented moisture isolation — 50% less condensate
- 20% lower production costs vs conventional
- 30% lower electricity consumption
- Sanitary quick-connect piping for easy cleaning
| Model | Temp | Capacity | Refrigerant | Tank Size (mm) | Power | Type |
|---|---|---|---|---|---|---|
| VF-50CI | −35°C | 50 kg/h | R507 / R404A | 1000×600×500 | 7.5 kW | Tank |
| VF-100CI | −35°C | 100 kg/h | R507 / R404A | 1400×600×650 | 15 kW | Tank |
| VF-200CI | −35°C | 200 kg/h | R507 / R404A | 1700×600×900 | 30 kW | Tank |
| VF-500CI | −35°C | 500 kg/h | R507 / R404A | 8000×1200 | 75 kW | Tunnel |
| VF-1000CI | −35°C | 1000 kg/h | R507 / R404A | 12000×1600 | 150 kW | Tunnel |
| VF-1500CI | −35°C | 1500 kg/h | R507 / R404A | 16000×1800 | 220 kW | Tunnel |
| VF-2000CI | −35°C | 2000 kg/h | R507 / R404A | 18000×2400 | 280 kW | Tunnel |
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