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The 3000L/H Tunnel Pasteurizer is a continuous tunnel-type spray sterilization and cooling system manufactured by King Machine, a liquid packaging machinery producer with approximately 15 years of experience. Designed for non-carbonated beverages including juice, tea, and sauce products, this system processes filled and sealed containers by spraying temperature-controlled water over them as they pass through a multi-zone stainless steel tunnel. The equipment operates within a temperature range of 0 to 100 degrees Celsius, covering pasteurization, warming, and cooling functions for bottled and canned products.
Constructed from SUS304 stainless steel, the tunnel resists corrosion and supports hygienic operation. The conveyor uses a high-strength plastic chain mesh belt driven by a stepless-speed motor, allowing operators to match belt speed to production rhythm. A recirculating water system with three-zone treatment distributes spray water through atomization nozzles arranged across the chain plate, achieving uniform coverage over all containers.
The system is rated at 3,000 L per hour for liquid products and 8,000 bottles per hour for 250 ml PET bottles. It carries CE certification and is built to ISO9001 quality management standards. King Machine produces approximately 15 units per month and offers customization for specific production requirements.
Parameter | Details |
|---|---|
Model | KM |
Automation | Automatic |
Structure | Tunnel-type |
Operation Mode | Intermittent |
Sterilization Method | Cold sterilization (chemical sterilization) |
Type | Microwave sterilization equipment |
Capacity | 3,000 L/H (for liquid products); 8,000 Bottles/h (250ml PET bottles) |
Specification | 1100×300×300 mm |
Transport Package | Wooden case |
Origin | China |
Monthly Production | 15 units/month |
Customization | Available |
Certifications | CE, FDA, EEC, ISO13485 |
Power Consumption | 13.25kw (main motor: 0.75kw) |
Water Consumption | 15t (start-up); 30-42kg/h (operation) |
Cooling Column Requirement | 60m³/h (to be supplied by user) |
Overall Dimensions | LWH=10000×1000×1670 mm; Working height: 1250mm |
Weight | 3.6t |
The conveying system uses a high-strength plastic chain mesh belt selected for durability and wear resistance in humid, high-temperature tunnel environments. A stepless-speed drive motor allows operators to adjust conveyor speed to match different production throughputs, ensuring that each container receives the prescribed residence time in each temperature zone.
Atomization nozzles are strategically arranged across the chain plate to spray cooling or heating water uniformly over all treated products. This design maximizes water coverage and thermal transfer efficiency. The recirculating water system incorporates three treatment zones, typically configured as pre-heating, pasteurization, and cooling, to minimize water consumption while maintaining consistent product temperature profiles.
A dedicated temperature control system regulates processing water temperature between 0 and 100 degrees Celsius across the tunnel zones. The system responds quickly to setpoint adjustments, allowing commercial users to tailor thermal treatment to specific beverage formulations. For juice and tea products, this range supports pasteurization and rapid cooling to preserve flavor and extend shelf life.
The tunnel body, piping, and spray nozzles are constructed from SUS304 stainless steel to resist corrosion from repeated water exposure and cleaning chemicals. The overall dimensions are 10,000 × 1,000 × 1,670 mm with a working height of 1,250 mm. The system requires a cooling water supply of 60 cubic meters per hour, to be provided by the user, and consumes 13.25 kW of power including a 0.75 kW main motor.
This tunnel pasteurizer is engineered for non-carbonated beverage production, including fruit juices (orange, apple, mango, and mixed juices), tea drinks (green tea, black tea, herbal tea), liquid sauces (tomato sauce, fruit jam, condiments), and other liquid food products requiring thermal treatment after filling. It accommodates containers with diameters from 50 to 110 mm and heights up to 300 mm, primarily in PET bottles but also compatible with other packaging formats.
The system is suited for small to medium-scale beverage manufacturers, food processing plants, and industrial production lines seeking a continuous pasteurization and cooling solution that integrates with upstream filling and downstream labeling or packaging equipment.
The system regulates spray water temperature between 0 and 100 degrees Celsius across its zones, supporting pasteurization, warming, and cooling of filled and sealed beverage containers.
It is rated at 3,000 L per hour for liquid products and 8,000 bottles per hour when processing 250 ml PET bottles.
The tunnel accommodates containers with diameters from 50 to 110 mm and heights up to 300 mm, primarily PET bottles, and can be adjusted for other packaging formats.
The system consumes 13.25 kW of power and requires a cooling water supply of 60 cubic meters per hour. Initial water fill is 15 tons, with ongoing consumption of 30 to 42 kg per hour during operation.
