Heat exchanger and heat exchanger manufacturing method

A heat exchanger comprising:

• a plurality of tube panels including a plurality of tubes elongated in one direction and a plurality of fins;
• a pair of header modules coupled to both ends of the plurality of tube panels;
• and
• a pair of header cases having an open side, providing a space therein, and having the pair of header modules inserted in the spaces, respectively, such that the plurality of tubes communicate with the spaces, wherein each header case has the open side, wherein the pair of header modules each includes a plurality of header blocks stacked and coupled to each other, and at least one insertion hole in which the tube panel is inserted is formed at each of the plurality of header blocks, wherein each header block of the plurality of header blocks includes an upper coupling block and a lower coupling block that forms the at least one insertion hole by being combined with each other with the tube panel therebetween, wherein the upper coupling block includes a second coupling protrusion protruding upward from a top of the upper coupling block, wherein the lower coupling block includes a second coupling groove recessed upward from a bottom of the lower coupling block, wherein the second coupling protrusion of any one of the plurality of header blocks is inserted in the second coupling groove of another one of the plurality of header blocks, and wherein each header case includes:
• a case groove that is recessed on a top of the header case to face the space and in which the coupling protrusion positioned at an upper end of the header module is inserted;
• and
• an insertion block that protrudes to the space from a bottom of the header case and that is inserted in the coupling groove positioned at a lower end of the header module.

A heat exchanger comprising:

• a plurality of tube panels including a plurality of tubes elongated in one direction and a plurality of fins;
• a pair of header modules coupled to both ends of the plurality of tube panels;
• and
• a pair of header cases having an open side, providing a space therein, and having the pair of header modules inserted in the spaces, respectively, such that the plurality of tubes communicate with the spaces, wherein each header case has the open side, and wherein the pair of header modules each includes a plurality of header blocks stacked and coupled to each other, and at least one insertion hole in which the tube panel is inserted is formed at each of the plurality of header blocks, further comprising a pressing screw fastened in a nut hole formed on a top and/or a bottom of the header case, and pressing the header module inserted in the space in an up-down direction by being rotated in one direction.

A heat exchanger comprising:

• a plurality of tube panels including a plurality of tubes elongated in one direction and a plurality of fins;
• a pair of header modules coupled to both ends of the plurality of tube panels;
• and
• a hair of header cases having an oven side, providing a space therein, and having the pair of header modules inserted in the spaces, respectively, such that the plurality of tubes communicate with the spaces, wherein each header case has the open side, wherein the pair of header modules each includes a plurality of header blocks stacked and coupled to each other, and at least one insertion hole in which the tube panel is inserted is formed at each of the plurality of header blocks, and wherein the header case has an opening formed at a top of the header case and includes a cover block inserted in the opening and having a groove fitted to a coupling protrusion of the header module inserted in the header case.