Loader Frigel
Grandi contenitori stampaggio iniezione Sistemi refrigerazione pareti sottili imballaggio Raffreddamento cicli stampi multi cavita Riduzione tempo ciclo contenitori soffiati

Packaging

Large containers
Thin-walled
Closures
Blown containers

Ecodry System 4.0

Packaging Process-Synchronized Cooling & Temperature Control Systems

Designed for increasing productivity in injection and blow molding of plastic packaging, thanks to the significant reduction in cooling time. It guarantees perfect stability, as well as considerable savings in operating costs and a reduction in environmental impact.

Click on Hotspot (Hot Spot)and discover all the advantages of our solutions:
swipe
Hot spot
Hot spot
Hot spot
Hot spot
Hot spot
Hot spot
Hot spot
Hot spot
Hot spot
Hot spot

Download the brochure of the cooling system Packaging

Process Cooling Solutions for Packaging

Process-Synchronized Cooling in Plastic Packaging: Beyond Traditional Thermoregulation

In the high-speed, high-volume rigid packaging sector, mold thermal management is not just a standard utility—it is the single critical factor dictating hourly factory output (OEE), part dimensional stability, and plant profitability. From thin-walled food tubs to large crates, from high-cavitation beverage closures to blown bottles, rapid and uniform heat extraction from the molten polymer is essential to slash cycle times without compromising part geometry or aesthetics.
Frigel's approach overcomes the structural limits of static temperature solutions by introducing Process-Synchronized Cooling. By combining high-efficiency central adiabatic coolers with smart localized thermoregulation (Dynamico and Microgel), post-ejection cooling tools (Cap Cooler), and mold dehumidifiers (Mold Dryer), Frigel transforms fluid management into a dynamic drive synchronized directly with the molding machine.

Central Cooling: Ecodry  and the Modular Hybreco Alternative

Optimizing a packaging facility begins at the central utility level. Many factories still operate open evaporative cooling towers that waste millions of liters of water through evaporation, require heavy chemical biocide treatments, and represent an ongoing biological threat (Legionella Pneumophila).
Frigel resolves this vulnerability by offering two closed-loop adiabatic technologies, each designed to meet specific investment priorities and plant layout requirements:

Four Cooling Architectures for Specialized Packaging Applications

Each packaging line requires customized fluid dynamics to ensure part dimensional repeatability and eliminate residual polymer stresses:

  1. Large Containers (Crates, Pallets, Buckets, and Drums)
    Polymers: High Density Polyethylene (HDPE), Polypropylene (PP) Copolymer.
    Cycles: Average cycle times of 25 to 60 seconds with thick wall sections. Excessively cold water (below 15 °C) causes steep thermal gradients between the outer skin and inner core, triggering internal voids and structural warping.
    Frigel Solution: Onboard Dynamico DP unit operating with water at 15-22 °C (100% glycol-free). High-pressure HP booster pumps (up to 5.5 bar and 50 m³/h) overcome geometry resistance in long mold channels, maintaining turbulent flow (high Reynolds number) and cutting cycle times by 20-30%.
  2. Thin-Walled Packaging (Food Tubs, Cups, Dairy Containers)
    Polymers: High-flow PP homopolymer, General Purpose/High Impact Polystyrene (GPPS/HIPS), PET.
    Cycles: Ultra-fast cycle times of 1.8 to 4.5 seconds on high-cavitation molds (up to 64 cavities). Requires maximum heat removal at the gate area.
    Frigel Solution: Dynamico DY (with built-in chiller) or Microgel RCP. At 10 °C set point, the system operates glycol-free. For deep cooling down to 8 °C, the unit safely handles up to 30% glycol mixtures. AI-assisted algorithms optimize gate solidification, boosting output by 20-40%.
  3. Closures (Caps and Closures for Beverage and Dispenser Lines)
    Polymers: HDPE, PP (flip-top closures and pump dispensers).
    Cycles: High-cavitation mass production with cycles of 2.5 to 5.0 seconds. Hot ejected caps suffer post-molding ovalization in storage bins.
    Frigel Solution: Mold cooling at 10-14 °C via Dynamico DY / Microgel RCP paired with the Cap Cooler (CAP) forced-air post-cooling unit. Cap Cooler treats up to 70,000 caps/hour continuously in a compact footprint (0.95 m²), freezing thread geometry and eliminating ovalization.
  4. Blown Containers (Bottles, Jars, and Jugs - EBM / IBM)
    Polymers: HDPE, PP, PET, PVC.
    Cycles: Continuous or fast-cycle EBM/IBM for personal care and pharma bottles. Requires cold water (7-12 °C) to solidify the blown parison rapidly.
    Frigel Solution: Dynamico DP or Microgel RCP unit coupled with the Mold Dryer (MDE) mold enclosure dehumidifier. Mold Dryer supplies dry air at ultra-low dew points around the mold area, enabling 7 °C cooling water operation without summer condensation (sweating) and eliminating water mark defects.

Industry 4.0: Digital Control with Netgel 3PR 4.0 and MiND

High-throughput packaging factories require comprehensive digital supervision. Frigel's Netgel (3PR 4.0) centralized control system interconnects all Ecodry components, automatically adjusting EC fan speeds and adiabatic spraying based on real-time thermal load and weather conditions. Plant-wide, the MiND platform provides full OPC-UA / Euromap 82.1 connectivity, tracking energy usage, flow rates, and temperatures in real time for every packaging line.

Real-World Case Study: Company based in northeastern Italy 

Energy Efficiency, Productivity, and Logistics Optimization in Rigid Packaging and Technical Molding

Frigel engineered a customized, highly flexible Ecodry System architecture consisting of:
ECODRY  Series central closed-loop, self-draining adiabatic coolers (completely glycol-free), installed outdoors to expel heat to the ambient air.
MICROGEL RCD Series (now Dynamico DY) compact water-condensed, dual-zone chillers/TCUs mounted at each individual press to manage independent cavity temperature zones.
TURBOGEL RBD Series high-flow (now Dynamico DP) , dual-zone pressurized temperature control units to ensure absolute temperature stability in demanding molds.
The on-site implementation of Ecodry and localized Microgel/Turbogel units deliv- ered remarkable verified results:

Performance and Sustainability

Increased productivity

Achieved for each machine and every process up to 50%.

Incremento produttivita

Reduced operating costs

Energy saving, water saving and low maintenance.

Riduzione costi operativi

Total modularity

Plug & Play concept.

Modularita totale
Ridotta impronta carbonio

Reduced carbon footprint

Unbeatable overall efficiency.

Minima impronta idrica

Minimized water footprint

Adiabatic cooling.

Ridotti rischi emissioni

Reduced risks of emissions

Low risk and high industrial safety.

Other solutions for Packaging

Discover our alternatives

High performance for every process need.

Our installations

Customized solutions for your business

Contact us

*required fields

I fully read and understood the website privacy policy
I fully read and understood website privacy policy and agree to receiving your newsletter
Want more info about intelligent
process cooling?

Please insert your data, we will send you an e-mail
with the link to download the file.

Download Document

*required fields

I fully read and understood the website privacy policy
I fully read and understood website privacy policy and agree to receiving your newsletter

Customized solutions for your business

Contact us

Rotate the device to better view the site

Frigel SpA

This website uses the latest technologies to ensure you a navigation experience simple and functional.<br> Please download and install a more recent browser to view it<br> Google Chrome, Mozilla Firefox o Microsoft Edge

Link copied to the clipboard