Hot water boiler with increased heat transfer surface area

The boiler's innovative heat transfer surface area increasing structure addresses inefficiencies in conventional boilers by expanding flue openings and adding protrusions, resulting in improved heat exchange efficiency and uniform gas flow for enhanced heating performance.

KR103001358B1Active Publication Date: 2026-08-05최진민
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Patent Information

Application Number
KR1020230072570
Authority / Receiving Office
KR · KR
Patent Type
Patents
Current Assignee / Owner
Filing Date
2023-06-07
Publication Date
2026-08-05
Estimated Expiration
2043-06-07

AI Technical Summary

Technical Problem

Conventional storage-type boilers have limitations in heat exchange efficiency due to varying contact areas between flames and combustion gases and flue tubes, leading to uneven gas flow and reduced overall heating performance.

Method used

A storage-type boiler with a heat transfer surface area increasing structure that includes a first structure expanding the flue opening cross-section and a second structure with protrusions inside the flue tubes to enhance contact areas, ensuring uniform gas flow and improved heat exchange.

Benefits of technology

The enhanced contact areas and uniform gas flow increase the heat transfer efficiency, allowing for smoother gas inflow and improved heat exchange between combustion gases and water, thereby enhancing the overall heating performance of the boiler.

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Abstract

The present invention relates to a storage-type boiler having a heat transfer surface area increasing structure in which the contact area between the flame and combustion gas generated in a burner and the flue is increased, comprising: a water tank having a direct water inlet and a hot water discharge part formed therein; a combustion chamber formed by being connected to the water tank in one direction; a combustion device installed in the combustion chamber for ejecting a flame and combustion gas into the combustion chamber; a combustion gas discharge part formed by being connected to the water tank in the other direction; a plurality of flues arranged lengthwise inside the water tank, with one end open to the combustion chamber and the other end open to the combustion gas discharge part; and a first heat transfer surface area increasing structure provided at one end of the flue to increase the contact area when the flame and combustion gas come into contact with the end of the flue.
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