The silent screw air compressor nitrogen generator set is an all-in-one integrated unit combining mute-grade screw air compressor, air post-treatment system and PSA nitrogen generation host, abandoning the split matching mode of separate air compressor and nitrogen generator in traditional schemes, and focusing on solving noise pollution, pipeline pressure loss and mismatched flow parameters of separated supporting equipment. The matched screw air compressor adopts low-speed rotor design and built-in multi-layer sound insulation cotton, plus damping base and silencer muffling structure, with full-load operating noise controlled below 52dB, meeting noise limit standards of office-type workshops, indoor laboratories and medical clean workshops. Different from piston air compressors with high noise and large vibration, the screw rotor operates smoothly with small vibration amplitude, no impact friction noise, and stable air output flow without air pressure fluctuation.
The integrated set optimizes internal connecting pipelines to shorten air conveying distance by more than 60%, minimizing compressed air pressure loss in transmission process and improving overall gas production energy efficiency by 18% compared with split combined units. The built-in screw compressor adopts oil-injected lubrication and three-stage oil separation technology, matching supporting freeze dryer and precision filter to provide stable clean compressed air for the nitrogen separation host. The nitrogen generation part adopts double-tower alternating adsorption technology, with adjustable nitrogen purity between 96% and 99.99%, and the whole set adopts unified PLC intelligent control panel, realizing one-key start-stop, linkage operation of air compressor and nitrogen host, and automatic standby when no gas is used. The system has interlocking protection function: if the screw compressor fails or the exhaust temperature is abnormal, the nitrogen host will stop working synchronously to prevent molecular sieve failure caused by high-temperature hot air intake.
This silent integrated set is specially developed for indoor closed working environments with strict noise control, including hospital laboratory gas supply, beauty medical instrument nitrogen supply, office building supporting industrial testing, indoor precision electronics workshop and school scientific research laboratory. The integrated unit occupies small floor area, requires no professional pipeline connection during installation, and only needs power connection to complete commissioning. In addition to low-noise advantage, the equipment optimizes heat dissipation structure, gathering heat generated by screw operation for auxiliary pipeline dehumidification, reducing energy consumption of the drying system. The wearing parts of the whole set are unified and standardized, including air filter, oil filter and adsorption filter element, which are convenient for centralized procurement and replacement. It is a cost-saving, environment-friendly and space-saving integrated gas production solution for indoor low-noise working scenarios.
