The industrial biscuit tunnel oven is a crucial equipment in a biscuit production line. It features a continuous baking design in which unbaked biscuit dough pieces travel through the tunnel at a constant speed, undergoing the complete baking process from raw dough to finished product.
These tunnel ovens typically range from 30 to 80 meters in length; crucially, they can be flexibly customized to meet specific production requirements, making them an ideal choice for large-scale biscuit manufacturing.
Working Principle of Industrial Biscuit Tunnel Oven
Heat generated by burners or electric heating elements is circulated by fans into a precisely arranged system of top and bottom air ducts within the oven chamber. Hot air is then blown evenly through outlets onto the biscuits on the conveyor belt, ensuring efficient heat transfer.
The tunnel oven body is divided into multiple independent temperature zones along its length, with temperature and airflow speed precisely adjustable in each section. Integrated with an intelligent PLC control system, this setup ensures that the biscuits are baked according to a preset process curve as they move through the oven, resulting in uniform color and texture.
Video of Tunnel Oven for Biscuit
Features of Automatic Biscuit Tunnel Oven
- Independent Zonal Temperature Control: The oven is divided into multiple independent temperature zones along its length; the temperature for each zone can be individually set and adjusted to suit the specific requirements of the biscuits.
- Hot Air Circulation System: Features an optimized top and bottom air duct layout combined with high-efficiency fans, ensuring uniform hot air circulation throughout the oven with no heat-dead zones.
- Modular Design: Built using standardized modules, the automatic biscuit tunnel oven allows for flexible length adjustments based on site constraints and production scale, facilitating future production line expansion.
- Smart Automated Control: Equipped with a PLC touchscreen control system capable of storing baking parameters for various products, enabling one-touch switching and fully automated operation.
- Multiple Heating Options: Available with electric or gas heating systems to accommodate the specific energy availability and cost requirements of different customers.
Industrial biscuit tunnel oven has a wide range of applications. Whether producing hard biscuits, shortbread, cookies, soda crackers, or wafer-thin biscuits, they achieve ideal baking results through precise zoned temperature control and a uniform hot-air circulation system.
Furthermore, their application extends to the baked snack food sector, where they are widely used for the continuous baking of baked snacks, cakes, egg tart shells, frozen semi-finished baked goods, and more. Want to know more, please contact us.
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