Heat exchanger

a technology of heat exchanger and heat exchanger layer, which is applied in the direction of indirect heat exchanger, light and heating apparatus, laminated elements, etc., can solve the problems of non-uniform flow rate of heating medium distributed to the heating medium layer, thick tubes, and inability to secure a wide heat transmission area, so as to achieve effective distribution, simplify heating medium differential distribution unit, and improve heat transmittance efficiency
US20200386441A1Inactive Publication Date: 2020-12-10KYUNGDONG NAVIEN
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Patent Information

Authority / Receiving Office
US Ā· United States
Patent Type
Applications(United States)
Current Assignee / Owner
KYUNGDONG NAVIEN
Publication Date
2020-12-10
Estimated Expiration
Not applicable Ā· inactive patent

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Abstract

The purpose of the present invention is to provide a heat exchanger capable of suppressing boiling and lime precipitation due to local overheating of a heating medium and at the same time improving heat transmittance efficiency. The heat exchanger of the present invention for achieving said purpose comprises: heating medium flow paths, through which a heating medium flows, inside a plurality of laminated plates; and a heat exchange unit in which combustion gas flow paths, through which a combustion gas flows, are alternately formed to be adjacent to each other, wherein the heat exchange units have a heating medium differential distribution unit which enables the flow rate of the heating medium to be differentially distributed to parallel heating medium flow paths of the heat exchange unit such that the flow rate of the heating medium passing through the parallel heating medium flow paths is balanced with the quantity of absorbed heat transmitted to the plates.
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Description

TECHNICAL FIELD

[0001] The present invention relates to a heat exchanger, and more specifically, to a heat exchanger which allows boiling of a heating medium and lime precipitation from the heating medium to be suppressed and also allows heat transmittance efficiency to be improved by distributing the heating medium at different flow rates such that the flow rates of the heating medium passing through heating medium flow paths formed as a plurality of layers between a plurality of plates are balanced with amounts of absorbed heat.BACKGROUND ART

[0002] Boilers for heating or for hot water are apparatuses configured to heat heating water or direct water (hereinafter, referred to as a ā€œheating mediumā€) using heat sources so as to heat desired places or supply hot water to the places, and include burners configured to burn mixtures of gas and air and heat exchangers configured to transmit combustion heat of combustion gas to the heating medium.

[0003] As an example of a conventional heat exch...

Claims

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