Regenerative heat exchanger

摘要

Herein disclosed is a regenerative heat exchanger comprising a cylindrical core casing and a stack body core formed by a plurality of circular mesh plates each having fluid passage holes and stacked on one another to form fluid passageways. The stack body core is housed in the core casing to have a fluid cooling medium introduced into the fluid passageways to carry out heat exchange between the stack body core and the fluid cooling medium. Each of the mesh plates has on its outer periphery a reference mark portion positioned with respect to the fluid passage holes, and the mesh plates collectively form a row of reference mark portions indicative of the form of each of the fluid passageways. The row of reference mark portions enables to easily modify or adjust the shapes of the fluid passageways of the stack body core by relatively rotating the mesh plates with reference to the reference mark portions.