Advanced cooling tunnel for confectionery production
Optimize your confectionery production with a cooling system that ensures uniform temperature control and energy efficiency, adapting seamlessly to your specific product needs.

Cools and Conditions Sweets and Snacks
The Thermo-Flow®+ LSK from SOLLICH is a versatile cooling tunnel designed for the confectionery and snack industry. Its modular construction allows for seamless integration into existing production lines, offering flexible and efficient cooling solutions. Utilizing a combination of air, radiation, convection, and bottom cooling methods, it maintains optimal temperature control across a wide range of products, including chocolate coated biscuits and protein bars. Capable of high-speed, continuous operations, it’s designed to minimize energy consumption with its optimized insulation and airflow management. The tunnel is available in stainless steel with a belt width starting at 620 mm, expandable to accommodate wider belts under the Gullwing design for easy cleaning access. Additionally, the Thermo-Flow®+ LSK features an automatic belt washing device, integrated cooling compressor, and air dryer for precise humidity management, making it an ideal choice for manufacturers looking to enhance product quality and production efficiency.
Benefits
- Enhances product quality by ensuring uniform cooling throughout the process.
- Reduces energy costs with its efficient, insulated design.
- Minimizes maintenance downtime with easy cleaning access via Gullwing covers.
- Offers production flexibility through modular configuration and customization.
- Improves operational efficiency with integrated humidity and temperature control systems.
- Applications
- Biscuits,Brittle bars,Snacks,Pralines,Decorative articles,Dragees,Fruit bars,Chocolate products,Cereal bars,Sweets,Candy bars,Ice cream,Protein bars
- End products
- Fruit and nut bars,Granola bars,Cornflakes,Nougat pralines,Decorative chocolate shapes,Almond brittle,Protein-packed bars,Ice cream toppings,Cereal clusters,Layered candy bars,Chocolate dragees,Chocolate coated biscuits
- Steps before
- Tempering,Enrobing,Mixing,Depositing
- Steps after
- Sprinkling,Decorating,Product Handling,Storing,Sieving
- Input ingredients
- raw chocolate products,uncooled confectionery,various confectionery items
- Output ingredients
- cooled chocolate products,hardened confectionery,properly tempered confectionery items
- Market info
- Sollich is known for manufacturing engineered-to-order equipment for the confectionery industry, particularly chocolate processing and enrobing machines. They have a strong reputation for innovation, quality, and tailored solutions to meet specific customer requirements.
- Belt Width
- 620 mm / 820 mm and more
- Cooling Method
- Radiation/convection cooling and bottom cooling with air
- Insulation
- All around insulation
- Construction
- Construction without cold bridges
- Material
- Stainless steel version available
- Compressor
- Integrated cooling compressor available
- Belt Washing Device
- Automatic belt washing system
- Air Dryer
- Integrated air dryer available
- Heat Exchanger
- Removable heat exchanger
- Belt Temperature Control
- Belt temperature preconditioning
- Accessibility
- Optimum accessibility for cleaning and maintenance
- Cover Type
- Gullwing design
- Efficiency
- High efficiency due to low energy losses
- Temperature and Air Flow Control
- Uniform temperature and air flow adapted to product requirements
- Working mechanism
- Modular design with radiation/convection cooling
- Integrated steps
- Belt washing device,air dryer,and removable heat exchanger
- CIP Principles
- Optimum accessibility for cleaning and maintenance
- Batch vs. continuous operation
- Inline continuous
- Energy efficiency
- Low energy losses due to all around insulation
- Automation level
- Manual / Integrated control options
- Abrasion resistance
- High
- Biological compatibility
- Food-grade
- Cleanability
- Hygienic design
- Corrosive resistance (e.g. acids)
- Stainless steel construction
- Density/particle size
- N/A
- Machine footprint
- Modular design
- Belt width
- 620 mm / 820 mm and more
- Cover design
- Gullwing / U-shaped
- Material
- Stainless steel
- Cooling method
- Radiation/convection cooling and bottom cooling with air
- Insulation
- All around insulation
- Cleaning accessibility
- Optimum accessibility for cleaning and maintenance
- Heat exchanger
- Removable heat exchanger
- Belt width
- 620 mm / 820 mm
- Construction material
- Stainless steel
- Cover design
- Gullwing / U-shaped
- Cooling type
- Radiation/convection and bottom cooling
- Air dryer integration
- Yes
- Heat exchanger
- Removable
- Belt temperature control
- Preconditioned
- Automatic belt washing system
- Yes
- Cooling compressor
- Integrated