Heat exchanger

Abstract

Heat exchanger, having multiple first flow channels ( 4 ) of a cooling medium arranged one over another, second flow channels ( 5 ) of a process medium, which are arranged between the first flow channels ( 4 ) and are provided on their ends with manifold boxes ( 7, 8 ), the first and second flow channels ( 4, 5 ) each being formed by partition plates ( 2 ) and first and second block profiles ( 3, 6 ), which hold these partition plates spaced apart, and lamellae ( 9, 10 ) arranged between respective block profiles ( 3, 6 ), the first block profiles ( 3 ) delimiting the first flow channels ( 4 ) being designed as C-shaped, two springy legs ( 32 ) extending in the direction of the lamellae ( 9 ) from a base ( 31 ) of the first block profiles ( 3 ) and delimiting a recess ( 33 ) open in the direction of the lamellae ( 9 ) between them, wherein the base ( 31 ) has at least one recess ( 38, 39 ) for the flexible design of the base ( 31 ) of the first block profiles ( 3 ).

1 . A heat exchanger, having:
 multiple first flow channels ( 4 ) of a cooling medium arranged one over another,   second flow channels ( 5 ) of a process medium, which are arranged between the first flow channels ( 4 ) and are provided on their ends with manifold boxes ( 7 ,  8 ),   the first and second flow channels ( 4 ,  5 ) each being formed by partition plates ( 2 ) and first and second block profiles ( 3 ,  6 ), which hold these partition plates spaced apart, and lamellae ( 9 ,  10 ) arranged between respective block profiles ( 3 ,  6 ),   the first block profiles ( 3 ) delimiting the first flow channels ( 4 ) being designed as C-shaped,   two springy legs ( 32 ) extending in the direction of the lamellae ( 9 ) from a base ( 31 ) of the first block profiles ( 3 ) and delimiting a recess ( 33 ) open in the direction of the lamellae ( 9 ) between them,   
       characterized in that
 the base ( 31 ) has at least one recess ( 38 ,  39 ) for the flexible design of the base ( 31 ) of the first block profiles ( 3 ). 
 
     
     
         2 . The heat exchanger ( 1 ) according to  claim 1 , characterized in that the base ( 31 ) of the block profiles ( 3 ) is designed as flexible on a side facing away from the lamellae ( 10 ). 
     
     
         3 . The heat exchanger ( 1 ) according to  claim 1  or  2 , characterized in that the base ( 31 ) of the block profiles ( 3 ) is designed as flexible on a side facing toward the lamellae ( 10 ). 
     
     
         4 . The heat exchanger ( 1 ) according to one of the preceding claims, characterized in that the base ( 31 ) of the block profiles ( 3 ) has recesses ( 38 ) extending parallel to the flow direction (X) of the flow channels ( 4 ) of the cooling medium. 
     
     
         5 . The heat exchanger ( 1 ) according to  claim 4 , characterized in that the recesses ( 38 ) are designed as slotted. 
     
     
         6 . The heat exchanger ( 1 ) according to  claim 5 , characterized in that the ends of the recesses ( 38 ) are widened in the interior of the base ( 31 ). 
     
     
         7 . The heat exchanger ( 1 ) according to  claim 6 , characterized in that the ends of the recesses ( 38 ) are widened circularly in cross-section. 
     
     
         8 . The heat exchanger ( 1 ) according to one of preceding  claims 5  to  7 , characterized in that the walls of webs ( 36 ,  37 ) of the base, which face toward the slotted region of the recesses ( 38 ), extend parallel to one another. 
     
     
         9 . The heat exchanger ( 1 ) according to one of preceding  claims 5  to  7 , characterized in that the walls of webs ( 36 ,  37 ) of the base, which face toward the slotted region of the recesses ( 38 ), extend conically to one another. 
     
     
         10 . The heat exchanger ( 1 ) according to one of preceding  claims 5  to  9 , characterized in that the recesses ( 38 ) are alternately arranged on the side facing away from the lamellae ( 10 ) and the side facing toward the lamellae ( 10 ). 
     
     
         11 . The heat exchanger ( 1 ) according to  claim 10 , characterized in that the sum of the length (m, n) of the alternately arranged recesses ( 38 ) is greater than the length (b) of the base ( 31 ) of the first block profile ( 3 ). 
     
     
         12 . The heat exchanger ( 1 ) according to one of the preceding claims, characterized in that the first block profile ( 3 ) consists of a spring-elastic material. 
     
     
         13 . The heat exchanger ( 1 ) according to one of the preceding claims, characterized in that the ratio of length (m) of the recesses ( 38 ) to length (b) of the base ( 31 ) of the first block profile ( 3 ) is between 0.4 and 0.9. 
     
     
         14 . The heat exchanger ( 1 ) according to one of the preceding claims, characterized in that the ratio of narrowest width (h 1 , h 2 ) of the recesses ( 38 ) to the width (h) of the base ( 31 ) of the first block profile ( 3 ) is between 0.1 and 0.3.