Kyungdong Navien Co., Ltd.

Inchul Jeong

Jun Gil Park

Jung Yul Bae

Tae Hyun Hwnag

The present subject matter includes a heat exchange part having heating medium channels, through which heating medium flows, and combustion gas channels, through which combustion gas burned in a burner flows, adjacently disposed in alternation in the spaces between the plurality of plates, the heat exchange part being provided in multiple numbers in a stacked structure, and having a heating medium distribution part for narrowing the channel at points where the flow direction of the heating medium is switched in adjacently located heating medium channels.

Heat exchanger

An embodiment of the present subject matter includes a heat exchange part having heating medium channels, through which heating medium flows, and combustion gas channels, through which combustion gas burned in a burner flows, adjacently disposed in alternation in the spaces between the plurality of plates, wherein the heat exchange part surrounds the outer sides of a central combustion chamber space, a plurality of the heat exchange parts are provided in a stacked structure, and the flow direction of the heating medium is unidirectional only in a part of the heating medium channels from among the heating medium channels provided in each layer.

The present subject matter includes: a heat exchange part having heating medium channels, through which heating medium flows, and combustion gas channels, through which combustion gas burned in a burner flows, adjacently disposed in alternation in the spaces between the plurality of plates; a first welding part in which the outer edges of a pair of plates forming the heating medium channel are welded together; a second welding part in which the plates forming the combustion gas channel, between the plates forming the heating medium channel, are welded to the outer edges of the plates forming the heating medium channel to form; and a guide part for guiding the welding material molten solution of the first welding part into moving to the second welding part.

The present subject matter includes: heating medium channels, in the space in between a pair of plates facing each other, through which the heating medium flows; combustion gas channels, on the outer sides of the heating medium channels, through which combustion gas burned in a burner flows; and heating medium dispersion parts, having an opening part and a shutting part, on an inlet, through which the heating medium flows into the heating medium channel, and an outlet, through which the heating medium flows out from the heating medium channel.

The present invention relates to a heat exchanger enabling the reduction of the number of components constituting the heat exchanger, the simplification of the coupling structure thereof, and also, the decrease of combustion gas flow resistance and the minimization of noise and vibration generation, the heat exchanger being provided with a heat exchange unit having heating medium flow channels through which a heating medium flows and combustion gas flow channels through which combustion gas combusted in the burner flows to be alternately formed and adjacent to each other in spaces between a plurality of plates, wherein the heat exchange unit comprises: a sensible heat unit which surrounds the outer side of a combustion chamber, is formed of one side area of the plates, and heats the heating medium by using sensible heat of combustion gas generated by the combustion of the burner; and a latent heat unit which is formed of the other side area of the plates, and heats the heating medium by using latent heat of water vapor included in combustion gas that has finished undergoing heat exchange in the sensible heat unit, wherein bent flange units are formed on the edges of the plurality of plates, and in a state where the flange units of neighboring plates overlap, certain areas among the edges of the plurality of plates have formed thereon combustion gas pass-through units having combustion gas flowing through the combustion gas flow channels pass therethrough.

The present invention relates to a heat exchanger enhancing heat exchange efficiency between a heating medium and combustion heat of a burner, the heat exchanger being provided with a heat exchange unit having heating medium flow channels through which a heating medium flows and combustion gas flow channels through which combustion gas combusted in the burner flows to be alternately formed and adjacent to each other in spaces between a plurality of plates, wherein the heat exchange unit comprises: a sensible heat unit which surrounds the outer side of a combustion chamber, is formed of one side area of the plates, and heats the heating medium by using sensible heat of combustion gas generated by the combustion of the burner; and a latent heat unit which is formed of the other side area of the plates, and heats the heating medium by using latent heat of water vapor included in combustion gas that has finished undergoing heat exchange in the sensible heat unit, wherein the heating medium flow channels of the sensible heat unit have guide units formed thereon for inducing the heating medium to flow towards the center of the combustion chamber.

A heat exchanger according to the present invention comprises a heat exchange portion in which heating medium flow paths, where a heating medium flows through a space between a plurality of plates, and combustion gas flow paths through which a combustion gas combusted in a burner flows are adjacently and alternatingly formed, wherein the heat exchange portion comprises a sensible heat portion, which surrounds the outside of a combustion chamber and comprises an area on one side of the plates, for heating the heating medium using the sensible heat of the combustion gas generated by combustion of the burner, and a latent heat portion, which comprises an area on the other side of the plates, for heating the heating medium using the latent heat of water vapors in the combustion gas which has completed heat exchanging in the sensible heat portion, wherein a connection passage for the heating medium is formed between the sensible heat portion and the latent heat portion, the plates are formed in a vertical structure so that the sensible heat portion is positioned on the top part and the latent heat portion is positioned on the bottom part, and wherein the burner has a cylindrical shape and is assembled by being inserted laterally from the front surface of a space in the combustion chamber.

The present invention relates to a heat exchanger having a simplified assembly structure as well as a simplified structure for heat-insulating a combustion chamber, the heat exchanger being provided with a heat exchange unit having heating medium flow channels through which a heating medium flows and combustion gas flow channels through which combustion gas combusted in the burner flows to be alternately formed and adjacent to each other in spaces between a plurality of plates, wherein the heat exchange unit comprises: a sensible heat unit which surrounds the outer side of a combustion chamber, is formed of one side area of the plates, and heats the heating medium by using sensible heat of combustion gas generated by the combustion of the burner; and a latent heat unit which is formed of the other side area of the plates, and heats the heating medium by using latent heat of water vapor included in combustion gas that has finished undergoing heat exchange in the sensible heat unit, wherein the rear of the sensible heat unit has provided thereon connection flow channels of the heating medium so that the heating medium that passed through the heating medium flow channels of the latent heat unit can flow to the heating medium flow channels of the sensible heat unit, and the rear of the sensible heat unit also has a water housing cooling unit formed thereon for heat-insulating the combustion chamber.

A heat exchanger according to the present invention comprises a heat exchange portion in which heating medium flow paths, where a heating medium flows through a space between a plurality of plates, and combustion gas flow paths through which a combustion gas combusted in a burner flows are adjacently and alternatingly formed, wherein the heat exchange portion comprises a sensible heat portion, which surrounds the outside of a combustion chamber and comprises an area on one side of the plates, for heating the heating medium using the sensible heat of the combustion gas generated by combustion of the burner, and a latent heat portion, which comprises an area on the other side of the plates, for heating the heating medium using the latent heat of water vapors in the combustion gas which has completed heat exchanging in the sensible heat portion, wherein a connection passage for the heating medium is formed between the sensible heat portion and the latent heat portion, the latent heat portion comprises a heating medium inlet through which the heating medium is introduced, and a plurality of latent heat portion heating medium flow paths which are formed between the plurality of plates and communicate with the heating medium inlet in parallel, and wherein the sensible heat portion comprises a heating medium outlet through which the heating medium is discharged, and a plurality of sensible heat portion heating medium flow paths which are formed between the plurality of plates and are connected serially between the latent heat portion heating medium flow paths and the heating medium outlet.

The present invention relates to a heat exchanger that can enhance thermal efficiency by enabling combustion heat of combustion gas generated by the combustion of a burner to be maximally returned to a heating medium, the heat exchanger being provided with a heat exchange unit having heating medium flow channels through which a heating medium flows and combustion gas flow channels through which combustion gas combusted in the burner flows to be alternately formed and adjacent to each other in spaces between a plurality of plates, wherein the heat exchange unit comprises: a sensible heat unit which surrounds the outer side of a combustion chamber, is formed of one side area of the plates, and heats the heating medium by using sensible heat of combustion gas generated by the combustion of the burner; and a latent heat unit which is formed of the other side area of the plates, and heats the heating medium by using latent heat of water vapor included in combustion gas that has finished undergoing heat exchange in the sensible heat unit, wherein a flow channel cap is coupled to the rear of the sensible heat unit so as to provide a flow channel for combustion gas in order to enable combustion gas that passed through the combustion gas flow channels formed on the upper part of the sensible heat unit to enter into the combustion gas flow channels of the latent heat unit.

A heat exchanger according to the present invention comprises a heat exchange portion in which heating water flow paths where heating water flows through a space between a plurality of plates, hot water flow paths through which hot water flows, and combustion gas flow paths are adjacently and alternatingly formed, wherein the heat exchange portion comprises: a heating sensible heat portion, which surrounds the outside of a combustion chamber and comprises an area on one side of the plates, for heating the heating water using the sensible heat of the combustion gas generated by combustion of the burner; a heating latent heat portion, which comprises a partial area on the other side of the plates, for heating the heating water using the latent heat of water vapors in the combustion gas which has completed heat exchanging in the heating sensible heat portion; and a hot water latent heat portion, which comprises the remaining area on the other side of the plates, for heating direct water using the latent heat of water vapors in the combustion gas which has passed through the heating latent heat portion.

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Seoul, South Korea

Inchul Jeong