Patent ID: 8220529
Filing Date: 2012-07-17
Classification: F24H,F28D,F28F,Y02B

Abstract:
1. A heat exchanger of a condensing boiler for supplying both heating water and hot water, the heat exchanger comprising: a sensible heat exchanger including a double pipe heat exchanger manufactured in such a manner that a heating water heat exchanging pipe is inserted into a hot water heat exchanging pipe, or that the hot water heat exchanging pipe is inserted into the heating water heat exchanging pipe; and a latent heat exchanger including a heating water heat exchanger and a hot water heat exchanger, the heating water heat exchanger having an inlet portion with one inlet and a plurality of outlets, an outlet portion with a plurality of inlets and one outlet, and a plurality of heating water heat exchanging pipes which are connected to the inlets and outlets of the inlet and outlet portions and arranged in parallel, the hot water heat exchanger having a plurality of hot water heat exchanging pipes which are arranged adjacent to the heating water heat exchanging pipes, respectively, an inlet portion which has one inlet and a plurality of outlets and is connected to a hot water inlet port of the hot water heat exchanger, and an outlet portion which has a plurality of inlets and one outlet and is connected to a hot water outlet port of the hot water heat exchanger, wherein the outlet portion of the heating water heat exchanger is connected to a heating water port of the sensible heat exchanger, and the outlet portion of the hot water heat exchanger is connected to a hot water port of the sensible heat exchanger.