KR200424534Y1 - Enamel Coated Fin Tube - Google Patents

Enamel Coated Fin Tube Download PDF

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Publication number
KR200424534Y1
KR200424534Y1 KR2020060015052U KR20060015052U KR200424534Y1 KR 200424534 Y1 KR200424534 Y1 KR 200424534Y1 KR 2020060015052 U KR2020060015052 U KR 2020060015052U KR 20060015052 U KR20060015052 U KR 20060015052U KR 200424534 Y1 KR200424534 Y1 KR 200424534Y1
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KR
South Korea
Prior art keywords
tube
heat exchanger
fin
fin tube
present
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KR2020060015052U
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Korean (ko)
Inventor
이승복
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(주)한국이에스테크
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Priority to KR2020060015052U priority Critical patent/KR200424534Y1/en
Application granted granted Critical
Publication of KR200424534Y1 publication Critical patent/KR200424534Y1/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
    • F28F19/02—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using coatings, e.g. vitreous or enamel coatings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
    • F28F1/24—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely
    • F28F1/32—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely the means having portions engaging further tubular elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers

Abstract

본 고안은 열교환기용 핀튜브에 관한 것으로 더욱 상세하게는 전열핀이 감겨있는 튜브 안쪽에 피가열되는 공기나 물이 흐르고 튜브 바깥쪽에 가열가스가 흘러 열교환이 이루어지는 핀튜브타입 열교환기에서 가스에 포함된 산 성분에 의한 저온부식을 방지하는 열교환기용 핀튜브에 관한 것이다.The present invention relates to a fin tube for a heat exchanger, and more specifically, the air or water to be heated flows inside a tube on which a heating fin is wound, and a heat gas flows to the outside of the tube, where the heat is generated. The present invention relates to a fin tube for a heat exchanger that prevents low temperature corrosion due to an acid component.

열교환기용 핀튜브, 내산성 유약, 법랑코팅, 저온부식 Fin Tube for Heat Exchanger, Acid Resistant Glaze, Enamel Coating, Low Temperature Corrosion

Description

열교환기용 법랑 코팅 핀튜브{Enamel Coated Fin Tube}Enamel Coated Fin Tube for Heat Exchanger

도 1은 법랑코팅 튜브의 정면도 및 단면도이고,1 is a front view and a cross-sectional view of the enamel coating tube,

도 2는 본 고안을 적용한 튜브타입 열교환기의 단면도이다.2 is a cross-sectional view of a tube type heat exchanger to which the present invention is applied.

* 도면의 주요 부분에 대한 부호의 설명* Explanation of symbols for the main parts of the drawings

1;열교환기용 튜브 2;법랑 코팅 3;전열핀1; tube for heat exchanger 2; enamel coating 3; heating fin

본 고안은 열교환기용 핀튜브에 관한 것으로 더욱 상세하게는 전열핀이 감겨있는 튜브 안쪽에 피가열되는 공기나 물이 흐르고 튜브 바깥쪽에 가열가스가 흘러 열교환이 이루어지는 핀튜브타입 열교환기에서 가스에 포함된 산 성분에 의한 저온부식을 방지하는 열교환기용 핀튜브에 관한 것이다.The present invention relates to a fin tube for a heat exchanger, and more specifically, the air or water to be heated flows inside a tube on which a heating fin is wound, and a heat gas flows to the outside of the tube, where the heat is generated. The present invention relates to a fin tube for a heat exchanger that prevents low temperature corrosion due to an acid component.

산 성분이 포함된 가스를 이용하여 열교환 할 시 가스온도가 냉각되면서 튜브표면 및 전열핀이 산노점에 노출되어 저온부식현상이 발생 될 수 있다. 이러한 문제로 인하여 종래의 일반 핀튜브타입 열교환기는 부식된 핀튜브를 주기적으로 교체해야하는 불편이 있었으며 그에 따른 비용 지출도 적지 않다는 문제가 있었다. 또한 핀튜브재질을 스테인레스 계열이나 티타늄등의 재질로 적용하기도 하나 이는 비용부담이 클 뿐 만아니라 핀튜브교체 주기를 늘려줄 뿐 산 부식에 대한 근본적인 해결이 될 수 없었다. 또한 핀튜브에 테프론 코팅을 적용하기도 하나 이는 테프론 재질의 내열성에 한계가 있다는 단점이 있다.When heat exchange using gas containing acid, gas temperature is cooled and tube surface and heating fins are exposed to acid dew point, which may cause low temperature corrosion. Due to this problem, the conventional fin tube type heat exchanger has a problem in that it is necessary to periodically replace the corroded fin tube, and there is a problem that the cost is not small accordingly. In addition, the fin tube material is applied to stainless steel or titanium, but this is not only expensive, but also increases the frequency of pin tube replacement and cannot be a fundamental solution to acid corrosion. In addition, a Teflon coating is applied to the fin tube, but this has a disadvantage in that the heat resistance of the Teflon material is limited.

본 고안은 상술한 바와 같이 종래의 핀튜브타입 열교환기의 문제점을 해결하기 위해 안출된 것으로써, 본 고안의 목적은 열교환시 발생 될 수 있는 산 성분에 의한 전열핀 및 튜브표면의 저온부식을 방지하는데 있다.The present invention is devised to solve the problems of the conventional fin tube type heat exchanger as described above, the object of the present invention is to prevent low-temperature corrosion of the heat transfer fin and tube surface by the acid component that can be generated during heat exchange It is.

본 고안은 열교환기용 핀튜브에 관한 것으로 더욱 상세하게는 전열핀이 감겨 있는 튜브 안쪽에 피가열되는 공기나 물이 흐르고 튜브 바깥쪽에 가열가스가 흘러 열교환이 이루어지는 핀튜브타입 열교환기에서 가스에 포함된 산 성분에 의한 저온부식을 방지하는 열교환기용 핀튜브에 관한 것이다.The present invention relates to a fin tube for a heat exchanger, and more specifically, the air or water to be heated flows inside a tube in which a heat fin is wound, and a heat gas flows out of the tube to make heat exchange. The present invention relates to a fin tube for a heat exchanger that prevents low temperature corrosion due to an acid component.

이하, 첨부한 예시도를 참조하여 본 고안의 바람직한 실시예를 상세하게 설명한다.Hereinafter, with reference to the accompanying drawings illustrating a preferred embodiment of the present invention in detail.

도 1은 열교환기용 핀튜브에 본 고안을 적용한 법랑 코팅 핀튜브의 정면도 및 단면도이고, 도 2는 본 고안을 적용한 열교환기의 평면도이다.(이하, 종래와 동일한 구성은 동일명칭과 부호를 붙여 설명한다.)1 is a front view and a cross-sectional view of an enamel coated fin tube to which the present invention is applied to a heat exchanger fin tube, and FIG. 2 is a plan view of a heat exchanger to which the present invention is applied. Explain.)

상술한 목적을 이루기 위한 본 고안은 도 1과 도 2에 도시한 바와 같이, 열교환기용 튜브(1) 및 전열핀(3)에 내산성 유약을 도장한 후 약750℃에서 850℃사이의 온도로 소성하여 튜브 및 전열핀(3) 표면에 법랑코팅(2)이 형성되어 산 에의한 저온부식을 방지하는데 있다.1 and 2, the present invention for achieving the above object, after coating the acid-resistant glaze on the heat exchanger tube (1) and the heat transfer fin (3) and fired at a temperature of about 750 ℃ to 850 ℃ The enamel coating (2) is formed on the surface of the tube and the heating fins (3) to prevent low-temperature corrosion by acid.

도 1에 도시한 바와 같이 열교환기용 튜브(1) 및 전열핀(3)에 법랑코팅(2)이 형성되어 튜브 바깥쪽에 흐르는 산 성분이 포함된 가스가 산노점에 노출되어 튜브및 전열핀(3) 표면에 응축이 발생하더라도 금속재질의 튜브 및 전열핀(3)과의 접촉을 법랑코팅(2)이 차단하는 구조로 되어있기 때문에 저온부식 발생을 억제할 수 있다. As shown in FIG. 1, the enamel coating 2 is formed on the heat exchanger tube 1 and the heat transfer fins 3 so that a gas containing an acid component flowing outside the tube is exposed to the acid dew point, thereby exposing the tube and the heat transfer fins 3. ) Even if condensation occurs on the surface, since the enamel coating 2 blocks the contact between the metal tube and the heating fins 3, the occurrence of low temperature corrosion can be suppressed.

상술한 바와 같이 본 고안은 산 성분을 포함한 가스를 열교환하는데 있어 발생될 수 있는 튜브 및 전열핀(3)의 저온부식현상을 방지할 수 있는 고안으로 열교환기 핀튜브의 수명을 연장시켜 주기적으로 핀튜브를 교체해야 하는 번거로움과 비 용부담을 줄일 수 있을 것으로 기대한다.As described above, the present invention is designed to prevent low-temperature corrosion of the tube and the heating fins 3, which may be generated in heat-exchanging gas containing acid components, and thus extends the life of the heat exchanger fin tube periodically to obtain fins. It is expected to reduce the hassle and cost burden of replacing the tube.

본 고안은 상술한 특정 실시예에 한정되지 아니하며 청구범위에서 청구하는 본 고안의 요지를 벗어남이 없이 당해 고안이 속하는 기술분야에서 통상의 지식을 가진자라면 누구든지 다양한 변형실시가 가능한 것은 물론이고, 그와 같은 변형실시는 청구범위기재의 범위내에 있게 된다.The present invention is not limited to the above-described specific embodiments, and any person having ordinary skill in the art to which the present invention pertains may make various modifications without departing from the gist of the present invention as claimed in the claims. Such modifications are within the scope of the claims.

상술한 바와 같이 본 고안을 핀튜브타입 열교환기에 적용할 시 산 가스에 의한 튜브표면 및 전열핀(3)의 저온부식현상을 방지할 수 있어 핀튜브의 수명을 연장시 킬 수 있을 뿐만 아니라 온도에 대한 제약 없이 열교환기에 적용할 수 있는 효과가 있다.As described above, when the present invention is applied to a fin tube type heat exchanger, it is possible to prevent low temperature corrosion of the tube surface and the heat transfer fins 3 due to acid gas, which can prolong the life of the fin tube as well as the temperature. There is an effect that can be applied to the heat exchanger without restrictions.

Claims (1)

핀이 감겨있는 튜브 안쪽에 공기 또는 물이 흐르고 튜브 바깥쪽에 산 성분이 포함된 가스가 흐르는 핀튜브타입 열교환기에 있어서,In a fin tube type heat exchanger in which air or water flows inside a tube in which a fin is wound, and a gas containing acid is formed in the outside of the tube, 열교환기용 튜브(1)표면 및 전열핀에 내산성 유약을 도장한 후 약750℃에서 850℃사이의 온도로 소성하여 튜브표면 및 전열핀에 법랑코팅(2)이 형성된 것을 특징으로 하는 열교환기용 법랑코팅 핀튜브.Enamel coating for heat exchanger tube (1) After coating acid-resistant glaze on the surface and heating fins and baking at a temperature between about 750 ° C and 850 ° C, enamel coating (2) is formed on the tube surface and heating fins. Fin tube.
KR2020060015052U 2006-06-05 2006-06-05 Enamel Coated Fin Tube KR200424534Y1 (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101418921B1 (en) * 2014-02-03 2014-07-11 주식회사 에코젠 Process and equipment of excess sludge reduction
KR101550212B1 (en) * 2014-04-24 2015-09-07 (주)한국이에스테크 Pin & tube type heat exchanger having porcelain enamel coat
WO2018131823A1 (en) * 2017-01-11 2018-07-19 주식회사 코펙 Enamel-coating device and method for fin tube

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101418921B1 (en) * 2014-02-03 2014-07-11 주식회사 에코젠 Process and equipment of excess sludge reduction
KR101550212B1 (en) * 2014-04-24 2015-09-07 (주)한국이에스테크 Pin & tube type heat exchanger having porcelain enamel coat
WO2018131823A1 (en) * 2017-01-11 2018-07-19 주식회사 코펙 Enamel-coating device and method for fin tube

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