Machine Type:
Cooling Tunnels

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Cooling Tunnels

Cooling tunnels represent the final stage of our production lines, with specific functions depending on each line’s production goals. Their primary role is to reduce the temperature of the product after forming, preparing it for packaging, while maintaining its shape and removing potential scraps.
Applications include:

Cooling gum or chewy ropes and preparing them for feeding into cut & wrap machines or chewy candy center sheets

Cooling hard candies (sugar and sugar-free), caramels, chewy products, and chewing gum

Cooling ball lollipops to prevent shape deformation

Cooling both spherical and flat lollipops, or hard-boiled candies, within the same tunnel

Tunnel dimensions and configurations vary according to the required production capacity.

Cooling Tunnels

Our Models

222TR Cooling tunnel for hard candy, soft candy, flat lollipops and gum.
129TRH Cooling tunnel for ball lollipops
068TRD Cooling tunnel for chewy candy
138TRH Universal cooling tunnel for candy, flat lollipops and ball lollipops

222TR Cooling tunnel for hard candy, soft candy, flat lollipops and gum.

A versatile series of cooling tunnels, available in multiple versions from laboratory scale up to the highest-capacity requirements.

Designed for cooling hard candies (sugar and sugar-free), caramels, chewy products, and chewing gum.

Provides extremely efficient cooling, enabling direct transfer from forming to packaging.

Configuration possibilities: Apollo, Mercury, Explorer, S31, S34, S40, and S38.

Cooling capacity: 400–2000 kg/h (depending on product type)

Main features

  • Direct airflow with 4 axial fans for uniform distribution from the top
  • All parts are fully removable for inspection and cleaning
  • Three-belt system in food-grade plastic, interchangeable with stainless steel-plastic type (optional)
  • Independent speed adjustment for each belt
  • High clearance from the floor for easy cleaning and GMP compliance
  • Cooling exchange through chilled water and steam reheating to adjust air temperature
  • Stainless steel filters for quick cleaning and long service life
222TR Cooling tunnel for hard candy, soft candy, flat lollipops and gum.
129TRH Cooling tunnel for ball lollipops

129TRH Cooling tunnel for ball lollipops

Specifically designed for cooling ball lollipops, preventing shape deformation during processing.

Configuration possibilities: S38 lines

Cooling capacity: up to 1200 kg/h (depending on product type)

Main features

  • Frame in stainless steel
  • Easy removal of covered parts for cleaning and inspection
  • Sugar scrap collection drawers
  • Air treatment group, including filters, cooling and reheating batteries, drop separator, and recirculation fan with motor; also provides cooling for the die set in the forming machine
  • Electronic control of tunnel air temperature
  • Thermostatic control of refrigeration unit and post-heating battery (18–20°C, 45–50% RH)
  • Five oscillating stainless steel trays, PVC-covered
  • Special cover plates available for milk lollipops

068TRD Cooling tunnel for chewy candy

Designed for the proper cooling of gum or chewy ropes and for correct feeding to cut & wrap machines or chewy candy center sheets.

Configuration possibilities: S35 and S37 lines

Main features

  • Frame supporting 7 polyurethane non-slip belts, with the first treated with silicone non-stick coating
  • Belts made of FDA-approved polyurethane material
  • Covers and side structures are in fully insulated hinged panels to minimize heat loss
  • Belts are easily removable without disassembling the frame
  • Air treatment group with filters, cooling exchanger, post-heating exchanger, drop separator, and main fan with motor for ventilation
  • Cooling exchanger connected to the customer chiller unit
  • Adjustable air circulation (forward or backward) relative to rope direction
  • Working temperature: +5°C, adjustable to cool gum by 5–10°C from inlet temperature
  • Working width: 150 mm
  • Electric cabinet and control panel included
  • Electronic temperature and humidity controls
  • Independent drives synchronized with PLC control
068TRD  Cooling tunnel for chewy candy
138TRH Universal cooling tunnel for candy, flat lollipops and ball lollipops

138TRH Universal cooling tunnel for candy, flat lollipops and ball lollipops

Developed for efficient cooling of spherical and flat lollipops, as well as hard-boiled candies, before wrapping.

Configuration possibilities: Apollo, S38 lines

Output: 300–500 pcs/min (lollipops, depending on product size and weight)

Capacity: 800 kg/h (hard-boiled candies)

Composition

  • Three oscillating trays for spherical lollipops
  • Three horizontal plastic belts for hard-boiled candies and flat lollipops, each with independent speed adjustment

Main features

  • Adjustable product residence time from 3 to 5 minutes
  • Hygienic stainless steel frame design
  • Temperature and humidity controls for the tunnel
  • Thermostatic control of refrigeration unit and post-heating battery (18–20°C, 45–50% RH)
  • Air treatment group excluded (to be quoted separately or provided by customer)
  • Air inlet and outlet ducts excluded (customer’s responsibility)
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