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  • LN2-COOLED FLUID CHILLER SYSTEMS - CRYO CHILLERS

    LN2 ChillerPortable Process Chillers for Ultra-Low Temperatures and Rapid Cooling

    Thermonics Cryo Chillers use liquefied cryogens (LN2 or LCO2) to cool heat transfer fluids with a proprietary cooling technology, delivering low and ultra-low temperatures and rapid transitions rates to a test device or process.

    Cryo Chillers are compact, portable systems ideal for both ultra-high and variable capacity cooling applications where supply of LN2 or LCO2 is automatically adjusted by the chiller’s control system to meet the specified cooling requirements.

    Cryo chillers are used in an assortment of industrial and commercial applications including: Defense, Aerospace, Chemical, Semiconductor, Pharmaceutical, Automotive, and Medical.  In the right applications, a cryo chiller is a simplified and more cost effective cooling solution delivering a high ratio of capacity to system footprint.

     

    Typical LN2-Cooled Chiller Performance

    Temperature Range Stability CoolingCapacity (kW) Pump Capacity (GPM) Options

    -120 to 200°C

    ± 0.5°C

    Up to 30 kW

    Up to 10 GPM

    Variable Frequency Drive (VFD), Programmable Fluid Pressure and Fluid Flow Rates, Auto fill, Auto drain

     

    Pros and Cons of an LN2-Cooled Chiller

    Pro: Highest capacity cooling, up to 30 kW cooling power

    Pro: Variable, on-demand cooling when needed

    Pro: Extremely fast temperature transition rates

    Pro: Smaller footprint than compressor-based chillers

    Pro: Less expensive purchase price than compressor-bases chillers

    Pro: Proprietary technology prevents freezing of heat transfer fluids

    Con: LN2/LCO2 consumption adds long term costs

    Con: LN2/LCO2 requires ventilation

     

    How an LN2-Cooled Chiller Works

    Liquid nitrogen (LN2) is supplied to a heat exchanger where it cools the heat transfer fluid. The heat transfer fluid is continuously circulated in a loop between the heat exchanger and the heat load. Heat from the heat load is continuously transferred to the heat exchanger where it is expelled with the gaseous nitrogen (GN2) exhaust.

    LN2 Chiller, Cryogenic Chiller Block Diagram

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