CALOSEC: The new series of heat regenerated adsorption dryers. Versatility, quality, efficiency

HPC KAESER's new series of CALOSEC heat regenerated adsorption dryers offer the optimum solution for a wide range of requirements.

in terms of energy demand, ambient climate and pressure dew point.

CALOSEC is available in three versions:

• The CSP (Blower Purge) range allows pressure dew points to be reached as low as -40°C , regardless of environmental conditions;
• The premium CSA (Zero Purge) range achieves this without the need to process compressed air to cool the columns;
• The CSL (Closed Loop) water-cooled version also does not require the use of compressed air for the cooling process: equipped with an internal cooling circuit, it can achieve pressure dew points as low as -70°C , largely independent of ambient temperature conditions.

Key points:

• High-quality design: The CSP, CSA and CLS series feature a high-quality design with a separate electrical and pneumatic control cabinet, corrosion-protected pneumatic lines and cables in galvanized steel piping and cable ducts. The valves at the compressed air inlet are already equipped with end position monitoring. The compressed air inlet temperature is monitored as standard. High-temperature galvanized piping offers the best durability. Separable individual valves ensure low pressure loss as well as minimal maintenance requirements. In combination with generous process dimensioning, pressure dew point and temperature peaks in parallel operation are kept to a minimum.
• High-quality pressure dew point sensor: CALOSEC dryers are equipped with a high-quality pressure dew point sensor as standard. The CALOSEC CONTROL uses it to monitor the pressure dew point of the driedcompressed air. It only terminates a drying cycle when the capacity of the desiccant of a vessel is used up or the configurable switchover value is reached. The demand-based control saves energy and ensures material-friendly operation. The sensor's measured values can be displayed graphically and are available via the Ethernet interface.
• Extra-long cycle times: Thanks to the generous dimensioning of CALOSEC dryers, their fixed cycle extends over full 12 hours. This minimizes the compressed air demand for pressure build-up and the energy demand for heating up the vessels. This significantly reduces energy costs.
• The "parallel mode" function: The new "parallel mode"; function makes the two columns operate in parallel before the complete exchange. This reduces temperature and dew point peaks, without the requirement of heat exchangers at the outlet of the dryer to reduce excessive temperatures that usually occur.
• Interactivity and connectivity: The CALOSEC CONTROL system with 7" touch display with colour graphic interface offers complete system monitoring. All the values measured by the sensors on the machine are available on the display in real time and can be viewed remotely. Thanks to the integrated Modbus TCP as standard, CALOSEC allows a connection to every customer's higher-level control system, as well as connection to the KAESER SAM 4.0 control unit.
• Up to 15% efficiency savings on regeneration costs. the premium series CSA and CSL use the high-performance desiccant Silicagel Eco. Compared with aluminium oxide, it requires a significantly lower regeneration temperature, which reduces the energy demand by more than 15%.

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