Patent ID: 6032932
Filing Date: 2000-03-07
Classification: B01F,B01J,F28F,Y10S

Abstract:
A contacting grate for a mass transfer or heat exchange operation, which comprises:a supporting framework having two opposite side edges and including two connecting frame members extending along said opposite side edges and a number of elongate supporting frame members extending between and connected to said connecting frame members; anda series of relatively small protruding members comprising flat, thin plates mounted along each of said supporting frame members and supported thereby, each protruding member having a sloping upper surface which is relatively short and lies in a plane, long, narrow air gaps being formed between adjacent extremities of adjacent series of said protruding members, said air gaps extending in a direction parallel to said supporting frame members and each having a width ranging between 1/16th inch and 1/4 inch,wherein said framework and the series of protruding members form a contacting grate made of plastic material and having two relatively large and opposite sides and the planes in which the sloping upper surfaces of the protruding members lie are substantially perpendicular to said two opposite sides and extend at an acute angle which is greater than 0 degrees and less than 90 degrees to a longitudinal central axis of the supporting frame member for the respective protruding members.