APPARATUS FOR HEATING SOLUTIONS AND SUSPENSIONS Russian patent published in 2009 - IPC B01D1/06 F28D7/00 

FIELD: engines and pumps.

SUBSTANCE: apparatus for heating solutions and suspensions comprises cylindrical housing with covers, heating pipes arranged inside the housing and having their ends fitted into tube plate, branch pipes to feed and discharge heated solution or suspension into tube space, feed steam into outside of tubes and discharge condensate. Aforesaid ends of pipes fitted at the center of upper tube plate are separated from the other heating pipes by a cup, its lower end face adjoining the tube plate surface, while its upper end face being rigidly jointed to branch pipe feeding solution or suspension. Lower tube plate has shell with cover separating lower ends of pipes from inner space of lower solution chamber. Note here that total area of heating pipes cross section separated by cylindrical shell exceeds that of heating pipes separated by aforesaid cup arranged on upper tube plate.

EFFECT: increased specific heating surface, higher heat transfer factor.

3 cl, 3 dwg