Bringing large H2 volume flows to the highest possible intermediate and final pressures with just a few compressor stages, without having to set up huge reciprocating compressor systems for this purpose - precisely here is where the new VRW 536 M oil-free screw compressor from AERZEN comes in. Compression is based on the principle of oil-fluided screw compressors - with a small but subtle difference: the oil was replaced by water. The water serves both for cooling the gas and for gap sealing and enables compression to higher differential pressures with high efficiency. This stage can, thus, replace a two-stage system with classic dry screw compressors and is even more energy efficient. For the customer, this results in significant advantages in terms of footprint as well as investment and operating costs. Technical Data: Suction volume flow up to: 6000 m³/h, pressure range: -900mbar g to 9.0 bar g
Der neue ölfreie Verdichter vom Typ VRW wurde gezielt entwickelt, um feuchten Elektrolyse-Wasserstoff mit bislang unerreichtem Wirkungsgrad und Differenzdruck zu verdichten. Dabei folgt der VRW der dynamischen Fahrweise und den speziellen Anforderungen modernster Elektrolyseure, egal ob alkalische Technologie (AEL), Protonenaustauschmembran (PEM), oder Hochtemperatur (HTEL). Als Vorverdichter für große Mengen H2 aus atmosphärischer Elektrolyse liefert der VRW nachfolgenden Verdichtertypen den Vordruck, den insbesondere Kolbenverdichter für wirtschaftliche Maschinenauslegungen benötigen.
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