| 摘要 |
<p>Membrane apparatus for the production of gaseous nitrogen comprising an air-compression system (C), a dryer (D) provided with a precooler (R), an oil cooler (S), a compressed-air tank (SR) or (1), at least a membrane separation unit, either mono- or pluri-modular (M) or (2) provided with an inlet for dry and pre-heated air (10), an outlet for permeated gases (12), and an outlet for the produced nitrogen (11). The apparatus is also equipped with some devices (PR) to pre-heat the compressed air coming from the dryer and destined to feed the unit (M) or (2). <IMAGE></p> |
