Factory Direct Egg Packaging Tray Cleaning Machine

This equipment removes protein residues, shell fragments, and microbial contaminants from reusable egg packaging trays before they re-enter the packing line.

Working Principle

Trays are conveyed through a spray chamber where heated water and detergent are applied at controlled pressure. A final rinse with filtered water removes cleaning agents, and an optional air‑knife stage reduces surface moisture to acceptable levels for immediate reuse.

Technical Specifications

Parameter	Typical Value
Cleaning capacity	Up to 1 200 trays per hour (standard 30 × 30 cm tray)
Wash tank temperature	60 °C ± 2 °C (adjustable)
Cycle time per tray	3 seconds (including wash, rinse, air‑knife)
Power consumption	4.5 kW (motor + heaters)
Water usage	12 L / hour (recirculated with filtration)
Overall dimensions (L × W × H)	2 200 mm × 950 mm × 1 600 mm
Material of construction	Stainless steel 304 for all wetted parts; frame in painted carbon steel
Control system	PLC with touch‑screen HMI; recipe storage for different tray types

Key Features

Adjustable spray nozzles enable coverage of trays with varying geometries.
Stainless steel 304 construction resists corrosion from alkaline detergents and repeated thermal cycling.
Integrated filtration loop maintains water quality, reducing fresh water demand.
Air‑knife drying stage lowers residual moisture to < 0.1 g / tray, preventing slip hazards on conveyors.
PLC control allows recipe changes for different tray sizes without mechanical adjustment.
Safety interlocks prevent spray operation when access doors are open.

Applications

Egg producers that reuse plastic or fiber trays benefit from reduced procurement waste and lower contamination risk. The machine fits directly after the packing line’s tray return conveyor, treating trays before they are re‑filled with eggs.

Customization Options

Alternative tank materials such as stainless steel 316 for highly chlorinated environments.
Adjustable conveyor speed to match line rates from 300 to 1 500 trays per hour.
Add‑on UV module for additional microbial reduction post‑rinse.
Custom tray holders to accommodate non‑standard dimensions or stacked configurations.
Remote monitoring package with Ethernet/IP connectivity for plant‑wide data logging.

Quality Assurance

Each unit undergoes hydrostatic testing of the wash tank, verification of spray nozzle flow rates, and functional validation of the PLC safety circuits before shipment. Documentation includes material certificates, electrical schematics, and a factory acceptance test report.

Frequently Asked Questions

Can the machine handle trays made of different polymers?: Yes, the spray pressure and temperature can be adjusted for polypropylene, PET, or molded fiber trays.
What information is required for a quotation?: Tray dimensions, material, required throughput, and any special cleaning agents used.
Is the water recycling system optional?: The basic configuration includes filtration and recirculation; a once‑through version is available upon request.
How are export shipments protected?: Machines are sealed in vapor‑barrier film, placed in ISO‑rated wooden crates, and secured with corner braces.
What is the typical lead time?: Standard units ship within 6‑8 weeks after receipt of purchase order; customized builds may extend to 10‑12 weeks.