device for reducing the use of urea and / or hygroscopic chemicals in pulp printing of cotton fabrics, rayon and the like, and method for

摘要

A device for reducing the consume of urea and/or hygroscopic chemical substances, in paste materials for printing cotton, viscose and the like fabrics, includes, upstream of a steaming chamber, a pre-moistening chamber, into which there is introduced saturated steam as well as, in a continuous manner, a printed fabric material. This printed fabric material is caused to pass, for at least a length thereof, through the pre-moistening chamber and, for at least a length thereof, through environment air, in order to be cooled, and then being immediately again introduced into the pre-moistening chamber. IMAGE