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Features
Chocolate Cooling Tunnel Description
The chocolate cooling tunnel is a specialized equipment designed to rapidly and evenly cool chocolate products after coating, enrobing, or molding. It ensures that the chocolate achieves a smooth surface, stable texture, and consistent gloss while maintaining its delicate flavor and shape.
Working Principle of Cooling Tunnel for Chooclate
After enrobing or molding, products enter the cooling tunnel via a conveyor belt. Inside the tunnel, precisely controlled cold air circulates evenly from top to bottom, gradually reducing the product temperature from around 28–30°C to 10–12°C, depending on the recipe and product type.
This controlled temperature curve prevents fat bloom, cracking, and dull surfaces, ensuring a perfect crystalline structure.
Main Features & Advantages
- Efficient Cooling Control — Equipped with a high-performance refrigeration system and multi-zone temperature control for even and rapid cooling.
- Air Circulation System — Adjustable airflow ensures uniform temperature distribution across the entire belt width.
- Modular Design — Tunnel length and belt width can be customized according to production capacity and product type.
- Energy-Saving Performance — Advanced insulation materials minimize heat loss and reduce power consumption.
- Easy Cleaning & Maintenance — Stainless steel frame with detachable covers and smooth surfaces for quick cleaning and hygiene compliance.
- Stable Production Quality — Ensures consistent chocolate hardness, gloss, and mouthfeel—ideal for bars, pralines, coated nuts, and confectionery items.
Applications
This cooling tunnel is perfectly matched with the following field:
- Chocolate coating and enrobing lines
- Biscuit, wafer, and candy coating lines
- Chocolate-coated nuts and fruits
- Molded chocolate production