Kunststoff | 21/04/2021
Fallgeschichte SMP Deutschland
Automotive - Innovative cooling solution beating efficiency records.
Frigel was chosen by SMP to design a completely new cooling system, consisting of a self-draining Ecodry adiabatic cooler in combination with high-efficiency compact (3FX series) water-cooled chillers and machine-side Turbogel units for accurate mold temperature control.
Key points for this choice were:
- Increased system efficiency: replacing old water-cooled chillers with new high efficiency ones featuring inverters on each compressors and winter free-cooling, allowed for important energy savings. Thanks to system design total or partial winter free-cooling are granted for ambient T <15°C representing approx.65% of the year in the installation location.
- Increase cooling capacity: new coming Injection Molding Machines were imposing the rethinking of the cooling system and the choice for 3 x 3FX in parallel was representing the way to secure the system with higher cooling capacity and redundancy. A thermal load of approx. 1.000 kW was calculated.
- Thanks to the possibility of running the Mold Temperature Control Units (MTCUs) with set points close to the central cooling temperature, T set point for chiller water was increased to 20°C (higher in the future) form previous 10°C, thus representing an additional energy efficiency step.
- No glycol way: possibility to work without glycol thanks to proven reliable self-draining technology and design was highly appreciated.
- Target to use existing available space on a mezzanine.
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