Double-Side UV-C + Ozone Combination Sterilizer for 3D Food Packages
Product Overview
This double-side UV-C + ozone combination sterilizer provides comprehensive surface disinfection for three-dimensional food packaging including trays, bowls, cups, clamshells, and pouches. The system delivers simultaneous top and bottom irradiation with optional ozone penetration for complete microbial elimination.
Production Line Composition
- Heavy-duty stainless steel frame with dual-layer conveyors
- Adjustable infeed table → electrostatic pre-cleaner → upper UV-C lamp array + lower UV-C lamp array
- Optional ozone injection zone (185nm lamps) → ozone catalytic decomposition unit
- Ionizing air knife → outfeed belt
- Full safety interlocks and emergency pull-cords
- CE + UL compliant
Technical Parameters
| Parameter |
Value / Range |
| Upper UV-C lamps |
4 - 12 pcs, 80W each, 254nm |
| Lower UV-C lamps |
4 - 12 pcs, 80W each, 254nm |
| Optional ozone lamps |
2 - 6 pcs, 185nm (independently controlled) |
| Ozone concentration |
0 - 5 ppm (adjustable, with real-time sensor) |
| Effective belt width |
400 / 600 / 900 / 1,200 mm (customizable) |
| Conveyor speed |
0 - 18 m/min (inverter controlled) |
| Max product height |
10 - 250 mm (tool-less or motorized adjustment) |
| UV dose per side |
30 - 250 mJ/cm² (PLC setpoint) |
| Total power |
1.5 - 7 kW |
| Power supply |
400V / 480V, 50/60Hz, 3P+N+E |
| Control |
12" HMI with recipe management (up to 50 recipes) |
| Data recording |
USB port, Ethernet for MES/SCADA integration |
| Safety |
Door interlock + optional light curtain |
| Housing |
SUS316L (acid-resistant, food grade) |
Applications
- Double-side sterilization of transparent and semi-transparent trays (meat, seafood, fruit)
- Disinfection of clamshell containers for berries, cherry tomatoes, and salads
- Internal & external surface treatment of vacuum pouches (raw meat, cheese)
- Sterilization of reusable food containers in central kitchens
- Pet food flexible pouches
Key Features
- True double-side irradiation with independent reflectors for uniform dose distribution
- Ozone-assisted sterilization reaching shadows and folds inaccessible to UV light
- Catalytic ozone decomposition (outlet ozone <0.05 ppm) for operator safety
- Safety interlock system with instant shutdown upon door opening
- Lamp life management with cumulative timer and advance replacement reminder
- Energy saving mode reducing power to 30% when no product detected
- Easy cleaning with removable conveyor belt and splash-proof lamp housings
- Optional FDA 21 CFR Part 11 compliant data logging
Customization Options
Fully customizable including independent power control for upper/lower lamp banks, motorized conveyor height adjustment, ozone generator with concentration alarm, various belt types (Teflon mesh, chain drive, or roller), automatic flipping station for non-transparent packages, high-pressure ionizing blower for dust removal, and multi-language HMI support.
Support and Services
- Global authorized service centers (12 locations worldwide)
- Free remote initial setup with engineer online guidance
- 3-year warranty on core components (PLC, HMI, transformers)
- Preventive maintenance package with biannual on-site calibration
- Emergency spare parts shipped within 24 hours
Frequently Asked Questions
Q1: Does ozone affect the taste of fatty foods like cheese or meat?
A1: Low-level ozone (≤0.5 ppm) for short exposure does not cause off-taste. For high-fat products, we recommend turning off the ozone function and using only UV-C. Our unit allows independent ozone on/off control.
Q2: How do you prevent food debris from contaminating the lower lamps?
A2: Lower lamps are protected by a sloped quartz glass shield with compressed air purge. Daily end-of-shift wiping is sufficient. For wet/sticky products, a self-cleaning belt brush can be customized.
Q3: Can this machine handle aluminum trays?
A3: Aluminum is non-transparent. UV-C only sterilizes the exposed top surface. For full inner surface disinfection, we recommend using the ozone function alone or a combination with a spray system. Contact our engineering team for feasibility testing.
Q4: What is the minimum product height that can be processed?
A4: As low as 5mm (e.g., shallow trays). The conveyor belt gap can be adjusted down to zero. Standard range is 10-250mm; we can extend to 350mm upon customization.
Q5: Do you provide validation services for regulatory compliance?
A5: Yes, we partner with accredited labs to perform microbial challenge tests. An English/Chinese validation report can be issued as part of a customization package.
All models emphasize customizable design - from lamp count, belt width, control features to ozone options. For detailed quotations or engineering drawings, please provide your packaging type, line speed, and target log reduction requirements.
