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Pasteurized Tunnel Sterilizer

Pasteurized tunnel sterilizer is mainly used for sterilization and drying of glass bottles.

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Pasteurized tunnel sterilizer is mainly used for sterilization and drying of glass bottles. The clean empty bottles after cleaning are sent to the bottle pusher from the conveyor line. After the bottles on the bottle pusher are full, the bottle pusher pushes them into the tunnel oven. The oven is divided into three areas: initial temperature, high temperature and cooling, and is equipped with a medium-efficiency , high-efficiency filter, the tunnel oven temperature is adjustable from room temperature to 250°C, the entire drying time is about 25 minutes, reaching 100-level purification, fully complying with GMP requirements. The sterilized and dried bottles are conveyed by the tunnel oven mesh belt and enter the next bottle supply station.

This pasteurized tunnel sterilizer uses air purification principles and quartz tube infrared heating technology to heat and sterilize bottles. The entrance and exit of the tunnel are protected by purified air, forming an air curtain at the tunnel entrance to prevent external air pollution. The purification device adopts a negative pressure sealing form, which is conducive to simplifying installation.

At the same time, the pasteurized tunnel sterilizer is also equipped with a special device to continuously update the air in high-temperature areas, complying with GMP regulations. The laminar air flow in the preheating and cooling sections of the machine can be taken from indoor air or the user’s duct air. The constant temperature method of the heating device breaks the basic heating method of flow transmission and adopts the synchronous power adjustment method to achieve the purpose of constant temperature, making the temperature uniform and reliable.

The electrical control of the pasteurized tunnel sterilizer adopts PLC as the control core, digital temperature controller for temperature control, and frequency conversion for stepless speed regulation. Two exhaust fans are installed at the lower part of the tunnel to control the exhaust volume at the entrance and exit sections respectively to discharge warm air and prevent hot air from flowing back. The pasteurized tunnel sterilizer and bottle unscrambler, bottle washing machine, filling machine, capping machine, labeling machine and other machinery form a filling production line.

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