STRUCTURE OF FORMING FLOW CHANNEL OF HEAT CHANGER OF BOILER

摘要

The present invention relates to a heat changer for a boiler with a pipe. The compact heat exchanger provides a sufficient heat transfer area and improves heat transfer performance. A joint plate (50) has a round end. A cap member (40) is welded to the joint part (21) of a side plate (20) and the joint surface (52) of a joint plate (50).