GAS DRYING UNIT Russian patent published in 2002 - IPC

FIELD: separation of gas mixtures by means of semi-permeable membranes, for example, cermet membranes; drying gases used in rocketry and space engineering. SUBSTANCE: proposed unit is used for drying high-pressure gases; it contains casing with tubular elements, 500 mm long and two tube sheets are located inside it; fitted at ends of hollow tubular elements are sealing rubber rings, fluoroplastic washers and metal locking rings; detachable covers secured to tube sheets by means of gasket, bolts and nuts five access to hollow tubular elements which may be removed through respective holes of tube sheets by means of handles. Casing is provided with two branch pipes for supply of warm air at temperature of 30 to 50 C inside it followed by removal of moistened air. EFFECT: enhanced maintainability and operational reliability. 2 cl, 1 dwg