KR101114533B1 - a heat exchanging pipe manufacturing apparatus for HRSG and a heat exchanging pipe - Google Patents

a heat exchanging pipe manufacturing apparatus for HRSG and a heat exchanging pipe Download PDF

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KR101114533B1
KR101114533B1 KR1020090034749A KR20090034749A KR101114533B1 KR 101114533 B1 KR101114533 B1 KR 101114533B1 KR 1020090034749 A KR1020090034749 A KR 1020090034749A KR 20090034749 A KR20090034749 A KR 20090034749A KR 101114533 B1 KR101114533 B1 KR 101114533B1
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South Korea
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heat transfer
heat
tube
fin
transfer fin
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KR1020090034749A
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Korean (ko)
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KR20100116037A (en
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류시호
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두산중공업 주식회사
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D53/00—Making other particular articles
    • B21D53/02—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers
    • B21D53/06—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers of metal tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/15—Making tubes of special shape; Making tube fittings
    • B21C37/22—Making finned or ribbed tubes by fixing strip or like material to tubes
    • B21C37/26—Making finned or ribbed tubes by fixing strip or like material to tubes helically-ribbed tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
    • B21D11/10—Bending specially adapted to produce specific articles, e.g. leaf springs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D53/00—Making other particular articles
    • B21D53/02—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers
    • B21D53/022—Making the fins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
    • B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

본 발명은 금속재 튜브의 외측면에 전열핀이 감겨짐과 동시에 용접 고정되면서 전열핀에 전,후방으로 불규칙한 절곡이 이루어지도록 한 폐열회수설비용 열교환기의 전열관 제조장치에 관한 것으로서, 튜브를 일정 속도로 회전시키는 회전지지부와, 상기 튜브의 외측에 일측이 일정 간격으로 절개된 띠 형상의 전열핀을 연속 공급하면서 나선형으로 감겨지도록 하는 전열핀공급부와, 상기 튜브에 감겨진 전열핀을 일체로 용접 고정하는 용접부를 포함하는 전열관 제조장치에 있어서, 상기 튜브에 상기 전열핀이 나선형으로 감겨져 용접되는 것과 동시에 상기 전열핀을 지그재그로 변형시키는 전열핀절곡부를 더 포함하여 구성된다.The present invention relates to a heat pipe manufacturing apparatus of a heat exchanger for a waste heat recovery facility, wherein the heating fins are wound on the outer surface of the metal tube and welded and fixed at the same time. Rotating support to rotate by a heating, heat transfer pin supply unit to be wound in a spiral while continuously supplying a strip-shaped heating fins cut in a predetermined interval on the outside of the tube, and the heating fins wound on the tube integrally welded In the heat pipe manufacturing apparatus comprising a welding portion, the heat transfer fin is spirally wound on the tube is welded and is configured to further include a heat transfer fin bent to deform the heat transfer fin in a zigzag.

이에 따라, 전열핀에 불규직한 절곡이 이루어지도록 성형하는 작업이 간편하게 이루어짐과 동시에 전열핀 사이를 통과하는 유체의 진행 방향이 불규칙하게 형성되어 유체의 체류 시간이 증가되며, 이에 의해 열교환 효율이 극대화된 전열관을 신속하게 생산할 수 있는 효과를 가지게 된다.As a result, the molding operation is performed so that irregular bending is performed on the heating fins, and at the same time, the flow direction of the fluid passing between the heating fins is irregularly formed, thereby increasing the residence time of the fluid, thereby maximizing heat exchange efficiency. It will have the effect of producing the heat pipes quickly.

HRSG, 폐열회수, 전열관, 열교환기, 전열핀 HRSG, waste heat recovery, heat pipe, heat exchanger, heat fin

Description

폐열회수설비용 전열관 제조장치 및 이에 의해 제조된 전열관{a heat exchanging pipe manufacturing apparatus for HRSG and a heat exchanging pipe}Heat transfer pipe manufacturing apparatus for waste heat recovery equipment and heat transfer pipe manufactured by the same {a heat exchanging pipe manufacturing apparatus for HRSG and a heat exchanging pipe}

본 발명은 폐열회수설비에 이용되는 전열관에 관한 것으로, 더욱 상세하게는 열교환 효율이 극대화되는 전열관 제조장치 및 이에 의해 제조된 전열관에 관한 것이다.The present invention relates to a heat transfer tube used for waste heat recovery facilities, and more particularly, to a heat transfer tube manufacturing apparatus and heat transfer tube manufactured by maximizing heat exchange efficiency.

일반적으로 폐열회수설비(HRSG: Heat Recovery Steam Generator) 폐열을 회수하는 장치를 일컫는 것으로서, 가스터빈의 연소 후 배출되는 고온 배기가스(약 650 ℃)는 많은 에너지를 가지고 있으므로 대기로 방출할 경우 상당한 손실이 발생하게 되는데, 이때 대기로 방출되는 배기가스로 버려지는 에너지를 회수하는데 이용된다.Heat recovery steam generator (HRSG) generally refers to a device for recovering waste heat. The hot exhaust gas (about 650 ° C) emitted after combustion of a gas turbine has a large amount of energy, and thus a considerable loss when released to the atmosphere. This occurs, where it is used to recover the energy that is thrown away by the exhaust gases emitted to the atmosphere.

이러한 폐열회수설비는 고온의 가스터빈 배기가스를 폐열회수보일러 내로 통과시킴으로써 열 교환을 통하여 증기를 발생시키고, 발생된 증기는 증기터빈을 구동시켜 전기를 생산하게 되며, 폐열회수설비에서 발생된 증기는 용도에 따라 산업용 및 난방 등의 용도로 활용 되고 있으며, 그 형태에 따라 수평드럼형, 수직드럼형 및 관류형 등으로 구분되어 진다.The waste heat recovery facility generates steam through heat exchange by passing hot gas turbine exhaust gas into the waste heat recovery boiler, and the generated steam drives electricity to generate steam, and the steam generated from the waste heat recovery facility Depending on the application, it is used for industrial and heating purposes, and it is divided into horizontal drum type, vertical drum type, and perfusion type according to its shape.

특히 이러한 폐열회수설비에는 열교환을 위한 전열관이 필수적으로 이용되고 있는데, 통상적으로 폐열회수설비에 이용되는 전열관은 도 4 및 도 5에서 보인 것과 같이 금속재 튜브(1)의 둘레를 따라 일측이 일정한 간격으로 절개된 금속재의 전열핀(2)을 나선형으로 감고 일체로 용접 고정하여 전열관의 열교환 면적이 극대화되도록 하고 있다.In particular, the heat transfer tube for heat exchange is essentially used in such a waste heat recovery facility, and the heat transfer tube used for the waste heat recovery facility is generally spaced at one side along the circumference of the metal tube 1 as shown in FIGS. 4 and 5. The heat transfer fins 2 of the cut metal material are wound in a spiral manner and welded together to maximize the heat exchange area of the heat transfer tube.

하지만, 상기와 같은 종래의 폐열회수설비용 전열관은 금속 판재가 튜브의 외측방으로 돌출된 형상으로 형성되되 양 측면이 평면을 이루는 직육면체 형상을 이룸에 따라, 전열관의 외측을 통과하는 유체가 전열핀 사이를 신속하게 통과하게 되고, 이에 의해 열교환 효율에 한계가 발생되는 문제점이 있었다.However, the conventional heat pipe for waste heat recovery facilities as described above is formed in the shape of a metal plate protruding toward the outer side of the tube, and both sides form a rectangular parallelepiped shape, the fluid passing through the outside of the heat transfer tube is a heat transfer fin There is a problem that passes quickly between, thereby causing a limit in heat exchange efficiency.

이에, 본 발명은 상기와 같은 종래의 제반 문제점을 해소하기 위하여 안출된 것으로, 그 목적은 금속재 튜브의 외측면에 전열핀이 감겨짐과 동시에 용접 고정되면서 전열핀에 전,후방으로 불규칙한 절곡이 이루어지도록 한 폐열회수설비용 열교환기의 전열관 제조장치를 제공함에 있다.Accordingly, the present invention has been made in order to solve the conventional problems as described above, the object is that the heating fin is wound on the outer surface of the metal tube and at the same time welding fixed while making the front and rear irregular bending to the heating fin The present invention provides a heat pipe manufacturing apparatus for a heat exchanger for waste heat recovery facility.

또한, 본 발명의 목적은 간단한 구성으로 전열핀에 불규칙한 절곡이 이루어지도록 함에 있다.In addition, an object of the present invention is to make irregular bending to the heating fins with a simple configuration.

또한, 본 발명의 목적은 튜브와 연결되는 전열핀의 내측 끝단의 변형량 보다 전열핀의 외측 끝단의 변형량이 커지도록 함에 있다.In addition, an object of the present invention is to make the deformation amount of the outer end of the heating fin larger than the deformation amount of the inner end of the heating fin connected to the tube.

한편, 본 발명의 목적은 튜브의 외측을 통과하면서 열교환이 이루어지는 유체에 급격한 와류가 발생되도록 한 폐열회수설비용 열교환기의 전열관을 제공함에 있다.On the other hand, it is an object of the present invention to provide a heat transfer tube of a heat exchanger for a waste heat recovery facility so that a rapid vortex is generated in a fluid that undergoes heat exchange while passing through the outside of the tube.

상기와 같은 목적을 달성하기 위하여, 본 발명은 튜브를 일정 속도로 회전시키는 회전지지부와, 상기 튜브의 외측에 일측이 일정 간격으로 절개된 띠 형상의 전열핀을 연속 공급하면서 나선형으로 감겨지도록 하는 전열핀공급부와, 상기 튜브에 감겨진 전열핀을 일체로 용접 고정하는 용접부를 포함하는 전열관 제조장치에 있어서, 상기 튜브에 상기 전열핀이 나선형으로 감겨져 용접되는 것과 동시에 상기 전열핀을 지그재그로 변형시키는 전열핀절곡부를 더 포함하여 구성된다.In order to achieve the above object, the present invention is a heat transfer to be wound in a spiral while continuously supplying a rotary support portion for rotating the tube at a constant speed, and a strip-shaped heating fins cut at regular intervals on one side outside the tube. In the heat pipe manufacturing apparatus comprising a fin supply unit and a welding unit for integrally welding and fixing the heating fins wound on the tube, the heat transfer fins are spirally wound on the tube and welded at the same time deforms the heating fins zigzag It further comprises a pin bent portion.

또한, 상기 전열핀절곡부;는 구동모터에 결합되어 회전되는 회전체의 외측면에 상기 전열핀을 측방으로 가압하여 절곡시키도록 다수의 가압돌기가 돌출 형성된 것을 특징으로 한다.In addition, the heat transfer fin bent portion; is characterized in that a plurality of pressing projections projected to be bent by pressing the heat transfer pin to the side on the outer surface of the rotating body is coupled to the drive motor.

또한, 상기 회전체는, 상기 전열핀과 대응되는 높이로 형성되되, 상단부가 상기 튜브의 외측에 인접하게 배치되고, 하단부가 상기 전열핀의 외측 끝단과 인접하게 배치되며, 하방으로 점차 직경이 커지는 원뿔 형상으로 형성된 것을 특징으로 한다.In addition, the rotating body is formed to a height corresponding to the heating fin, the upper end is disposed adjacent to the outer side of the tube, the lower end is disposed adjacent to the outer end of the heating fin, the diameter gradually increases downward Characterized in that formed in a conical shape.

한편, 본 발명은 내측으로 유체가 통과되는 튜브의 외측에 직육면체 형상의 전열핀이 일정 간격으로 이격되면서 전체적으로 나선형을 이루며 돌출 고정된 전열관에 있어서, 상기 전열핀의 사이 공간을 통과하는 유체의 진행방향이 불규칙하게 형성되도록 상기 전열핀이 전,후방으로 불규칙한 지그재그 형상을 이루며 절곡된 것을 특징으로 한다.On the other hand, the present invention in the heat exchanger tube is formed in a spiral shape as a whole spirally spaced apart at regular intervals on the outer side of the tube through which the fluid passes in the inside, the direction of the fluid passing through the space between the heating fins The heating fins are bent in an irregular zigzag shape to the front and rear to form irregularly.

이에, 본 발명은 전열핀절곡부를 구비하여 금속재 튜브의 외측면에 전열핀이 감겨짐과 동시에 용접 고정되면서 전열핀에 전,후방으로 불규칙한 절곡이 이루어지도록 한 폐열회수설비용 열교환기의 전열관 제조장치를 제공함으로서, 전열핀에 불규직한 절곡이 이루어지도록 성형하는 작업이 간편하게 이루어짐과 동시에 전열핀 사이를 통과하는 유체의 진행 방향이 불규칙하게 형성되어 유체의 체류 시간이 증가되며, 이에 의해 열교환 효율이 극대화된 전열관을 신속하게 생산할 수 있는 효과를 가지게 된다.Thus, the present invention is equipped with a heat transfer fin bent portion of the heat transfer fin is wound on the outer surface of the metal tube and welded at the same time while the heat transfer fin manufacturing apparatus of the heat exchanger for the heat exchanger waste heat recovery equipment to be irregularly bent in the front and rear. By providing a, the forming operation is made so that irregular bending to the heat transfer fins are made at the same time, the flow direction of the fluid passing between the heat transfer fins is irregularly formed to increase the residence time of the fluid, thereby increasing the heat exchange efficiency It has the effect of rapidly producing the maximized heat pipe.

또한, 본 발명은 전열핀절곡부가 구동모터 및 가압돌기가 형성된 회전체의 간단한 구성으로 전열핀에 불규칙한 절곡이 이루어지도록 함으로서, 전열핀절곡부의 제작이 간편하게 이루어지면서도 연속 가공이 원활하게 이루어져 생산성이 향상되는 효과를 가지게 된다.In addition, the present invention is a simple configuration of the rotating body formed by the heating motor and the pressurizing projection is formed by the heating fin bending portion to be made irregularly bent on the heating fin, while the production of the heating fin bent portion is made smoothly continuous processing is made smoothly It will have an improved effect.

또한, 본 발명은 회전체를 원뿔 형상으로 형성하여 튜브와 연결되는 전열핀의 내측 끝단의 변형량 보다 전열핀의 외측 끝단의 변형량이 커지도록 함으로서, 튜브와 용접 결합되는 전열핀 내측이 과도하게 변형되어 튜브와의 용접 강도가 저하되는 것을 방지하는 효과를 가지게 된다.In addition, the present invention is to form a rotor in a conical shape so that the deformation amount of the outer end of the heating fin is larger than the deformation amount of the inner end of the heating fin connected to the tube, the inner side of the heating fin welded to the tube is excessively deformed It has the effect of preventing the welding strength with a tube from falling.

한편, 본 발명은 튜브의 외측에 고정되는 전열핀을 불규칙하게 절곡 형성하여 튜브의 외측을 통과하면서 열교환이 이루어지는 유체에 급격한 와류가 발생되도록 한 폐열회수설비용 열교환기의 전열관을 제공함으로서, 전열핀의 사이 공간에서 유체가 체류하는 시간이 증가되어 열교환 효율이 극대화되는 효과를 가지게 된다.On the other hand, the present invention by providing a heat transfer tube of the heat exchanger for the waste heat recovery facility to form a sudden vortex in the fluid heat exchange is made by passing through the outside of the tube irregularly bent the heat transfer fin fixed to the outside of the tube, The residence time of the fluid in the space between the increases the effect of maximizing the heat exchange efficiency.

이하, 본 발명의 바람직한 실시예를 첨부된 도면을 참고로 하여 더욱 상세하게 설명하면 다음과 같다.Hereinafter, preferred embodiments of the present invention will be described in more detail with reference to the accompanying drawings.

도 1은 본 발명의 일 실시예를 보인 개략 평면도이고, 도 2는 도 1의 요부의 확대사시도로서, 도시된 것과 같이 본 발명은 폐열회수설비의 열교환기에 설치되는 전열관 제조장치에 관한 것으로서, 특히 회전지지부(10)와 전열핀공급부(20) 및 용접부(30)에 의해 금속재 튜브(1)의 외측에 평판 형태의 전열핀(2)이 연속 공급되어 튜브(1)와 일체로 용접 고정되도록 함과 동시에 전열핀(2)에 불규칙하게 지그재그 로 변형시키는 전열핀절곡부(40)가 구비되도록 한 것이다.1 is a schematic plan view showing an embodiment of the present invention, Figure 2 is an enlarged perspective view of the main portion of Figure 1, the present invention relates to a heat pipe manufacturing apparatus installed in the heat exchanger of the waste heat recovery facility, as shown The heating support 10, the heat transfer fin supply unit 20, and the welding unit 30 are continuously supplied with the flat heat transfer fins 2 on the outside of the metal tube 1 to be welded and fixed integrally with the tube 1. At the same time it is to be provided with a heat transfer fin bent portion 40 to irregularly zigzag deformation on the heat transfer fin (2).

상기 회전지지부(10)는 금속재 튜브(1)를 회전 가능하게 지지하는 것으로서, 튜브(1)가 일정한 위치에서 고정된 상태에서 축방향으로 회전되도록 하기 위하여 통상의 모터와 가이드 등으로 구성되도록 하는 것이 바람직하며, 후술되는 전열핀(2)이 튜브(1)의 외측면에 나선형으로 감겨지도록 하기 위하여 튜브(1)가 일정한 속도로 직선 이동되도록 하는 것이 바람직하다.The rotation support 10 is to support the metal tube (1) to be rotatable, it is to be composed of a conventional motor and guide, etc. in order to rotate in the axial direction in a fixed state in the tube (1). Preferably, it is preferable that the tube 1 is linearly moved at a constant speed so that the heat-transfer fin 2 to be described later is spirally wound on the outer surface of the tube 1.

상기 전열핀공급부(20)는 상기 튜브(1)의 외측면에 부착되는 전열핀(2)이 연속적으로 공급되어 튜브(1)의 외측면에 나선형으로 감겨지도록 하는 것으로서, 금속 판재가 긴 길이의 띠 형상으로 형성되되 일측면이 일정한 간격으로 평행하게 절개된 전열핀(2)이 연속적으로 공급되어 상기 튜브(1)의 외측에 나선형으로 감겨지도록 함으로서, 일측이 나선형으로 튜브(1)의 외측에 감겨짐과 동시에 반대측의 절개부가 벌어지면서 튜브(1)의 외측에 전열핀(2)이 분리되어 돌출되도록 한다.The heat transfer fin supply unit 20 is a heat transfer fin (2) attached to the outer surface of the tube (1) is continuously supplied to be wound spirally on the outer surface of the tube (1), the metal plate of a long length The heating fins 2 formed in a strip shape and one side of which is cut in parallel at regular intervals are continuously supplied to be wound spirally on the outside of the tube 1, so that one side is spirally on the outside of the tube 1. At the same time as the wound is opened while the incision on the opposite side of the tube 1 to the outer side of the heat transfer fin (2) is separated to protrude.

상기 용접부(30)는 상술한 금속재의 튜브(1)와 금속재의 전열핀(2)이 일체로 용접 고정되도록 하는 것으로서, 튜브(1)와 전열핀(2)에 고주파 전류가 흐르도록 하여 튜브(1)에 전열핀(2)이 접촉되는 것과 동시에 튜브(1)와 전열핀(2)이 일체로 용접 고정되도록 하는 고주파 용접기로 구성되도록 하는 것이 바람직하다.The welding part 30 is to weld and fix the metal tube 1 and the heat transfer fin 2 of the metal integrally, the tube (1) and the high-frequency current flows through the heat transfer fin (2) tube ( At the same time that the heating fins 2 are in contact with 1), it is preferable that the tube 1 and the heating fins 2 be configured to be a high frequency welder which is welded and fixed integrally.

상기 전열핀절곡부(40)는 상술한 것과 같이 튜브(1)의 외측에 전열핀(2)이 용접 고정됨과 동시에 전열핀(2)을 전,후 지그재그로 불규칙하게 절곡하여 전열핀(2) 사이를 통과하는 유체의 흐름 방향이 불규칙하게 형성되어 유체에 와류가 발생되면서 유체의 체류 시간이 증가되도록 하는 것으로서, 전열핀(2)에 물리적 인 힘을 가하여 전열핀(2)을 절곡시키는 통상의 해머 등으로 구성되도록 하는 것도 무방하나, 연속 공급되는 전열핀(2)에 지속적으로 원활한 절곡이 이루어지도록 하기 위하여 구동모터(41)에 결합되어 회전되면서 전열핀(2)을 절곡시키는 회전체(42)로 구성되도록 하는 것이 바람직하다.The heat transfer fin bent portion 40 is welded and fixed to the outside of the tube (1) as described above and at the same time the heat transfer fin (2) irregularly bent in a zigzag before and after the heat transfer fin (2) The flow direction of the fluid passing therebetween is irregularly formed so that the residence time of the fluid increases as the vortex is generated in the fluid, and a common force for bending the heat transfer fin 2 by applying a physical force to the heat transfer fin 2. It is also possible to be composed of a hammer, etc., the rotating body to bend the heating fin (2) while being coupled to the drive motor 41 is rotated in order to achieve a continuous smooth bending to the heating fin (2) is continuously supplied. It is preferable to be composed of).

상기 회전체(42)는 상술한 구동모터(41)에 결합되어 회전되는 원통형으로 형성되도록 하되, 외주면에는 다수의 가압돌기(43)가 방사상으로 돌출 형성되도록 하고, 상술한 전열핀(2)이 공급되어 튜브(1)와 접촉되는 위치에 배치되면서 구동모터(41)의 회전에 의해 회전되도록 한다.The rotating body 42 is formed in a cylindrical shape that is coupled to the rotation of the driving motor 41 described above, a plurality of pressing projections 43 to the radially protruding radially formed on the outer circumferential surface, the above-described heating fin (2) It is supplied to be placed in contact with the tube 1 to be rotated by the rotation of the drive motor 41.

이에 따라, 띠 형상의 전열핀(2)이 공급되어 튜브(1)의 외측면에 용접 결합됨과 동시에 회전체(42)가 회전되면서 가압돌기(43)가 전열핀(2)의 외측면을 가압하여 전열핀(2)에 불규칙한 절곡이 이루어지도록 함으로써, 간단한 구성으로 전체 전열핀(2)을 절곡 가공하는 작업이 가능해지게 되는 것이다.Accordingly, the strip-shaped heating fins 2 are supplied and welded to the outer surface of the tube 1 and the rotating body 42 is rotated while the pressing protrusion 43 presses the outer surfaces of the heating fins 2. By making irregular bending on the heat transfer fins 2, the work of bending the whole heat transfer fins 2 in a simple configuration becomes possible.

더불어, 상기 회전체(42)는 튜브(1)와 인접한 상단부의 직경이 반대 측의 전열핀(2)의 외측 끝단과 대응되는 하단부의 직경보다 점차 작아지는 원뿔형으로 형성되도록 함으로써, 튜브(1)와 전열핀(2)의 용접 결합부에 과도한 변형이 가해져 튜브(1)와 전열핀(2)의 결합력이 저하되거나 불량이 발생되는 것을 방지하면서, 전열핀(2)의 외측부에는 최적의 절곡이 이루어지도록 하는 것이 바람직하다.In addition, the rotating body 42 is formed such that the diameter of the upper end adjacent to the tube 1 is formed in a conical shape that is gradually smaller than the diameter of the lower end corresponding to the outer end of the heat transfer fin 2 on the opposite side, the tube (1) Optimal bending is performed on the outer side of the heat transfer fin 2 while excessive deformation is applied to the weld joint of the heat transfer fin 2 to prevent the coupling force between the tube 1 and the heat transfer fin 2 from deteriorating or failure. It is desirable to make it.

도 는 본 발명에 따른 폐열회수설비용 열교환기의 전열관을 보인 평면도로서, 상술한 것과 같이 제작된 전열관은 도시된 것과 같이 전열핀(2)이 전,후방으로 지그재그로 불규칙한 절곡 상태를 유지하게 되어 전열관의 내측으로는 유 체가 원활하게 흘러나가게 되고, 전열관의 외측으로 흐르는 유체가 열교환을 위하여 전열핀(2) 사이를 통과할 때 전열핀(2)에 부딪치면서 불규칙한 방향으로 진행하게 되며, 전열관의 외부에서 와류를 형성하게 되어 전열핀(2) 사이 공간에서의 유체의 체류시간이 증가되어 더욱 효율적인 열교환이 이루어지게 되는 것이다.4 is a plan view showing the heat transfer tube of the heat exchanger for waste heat recovery facility according to the present invention, the heat transfer tube manufactured as described above is to maintain the irregular bending state of the heat transfer fin (2) zigzag in the front and rear as shown The fluid flows smoothly inside the heat transfer tube, and when the fluid flowing outside the heat transfer tube passes between the heat transfer fins 2 for heat exchange, the fluid strikes the heat transfer fins 2 and proceeds in an irregular direction. By forming a vortex from the outside, the residence time of the fluid in the space between the heat transfer fins 2 is increased, thereby making the heat exchange more efficient.

도 1은 본 발명의 개략 구성을 보인 정면도.1 is a front view showing a schematic configuration of the present invention.

도 2는 본 발명의 요부의 확대 사시도.Figure 2 is an enlarged perspective view of the main portion of the present invention.

도 3은 본 발명에 의해 제조된 전열관의 일 예를 보인 평면도.Figure 3 is a plan view showing an example of the heat pipe manufactured by the present invention.

도 4는 종래 전열관의 일 예를 보인 사시도.Figure 4 is a perspective view showing an example of a conventional heat pipe.

도 5는 도 4의 평면도.5 is a plan view of FIG. 4.

※ 도면의 주요 부분에 대한 부호의 설명[Description of Drawings]

1 : 튜브 2 : 전열핀1 tube 2 heating fin

10 : 회전지지부10: rotating support

20 : 전열핀공급부20: heating fin supply unit

30 : 용접부30: weld

40 : 전열핀절곡부40: electric heating bend section

41 : 구동모터 42 : 회전체   41: drive motor 42: rotating body

43 : 가압돌기   43: pressing projection

Claims (4)

튜브(1)를 일정 속도로 회전시키는 회전지지부(10)와, 상기 튜브(1)의 외측에 일측이 일정 간격으로 절개된 띠 형상의 전열핀(2)을 연속 공급하면서 나선형으로 감겨지도록 하는 전열핀공급부(20)와, 상기 튜브(1)에 감겨진 전열핀(2)을 일체로 용접 고정하는 용접부(30)를 포함하는 전열관 제조장치에 있어서,Heat transfer to be wound in a spiral while continuously supplying a rotary support 10 for rotating the tube 1 at a constant speed, and a strip-shaped heat-transfer fin 2, one side of which is cut out at regular intervals on the outside of the tube 1; In the heat transfer tube manufacturing apparatus comprising a fin supply unit 20 and a welding unit 30 for integrally welding and fixing the heat transfer fin (2) wound on the tube (1), 상기 튜브(1)에 상기 전열핀(2)이 나선형으로 감겨져 용접되는 것과 동시에 상기 전열핀(2)을 지그재그로 변형시키는 전열핀절곡부(40)를 더 포함하는 폐열회수설비용 전열관 제조장치.The heat transfer fin manufacturing apparatus for waste heat recovery facilities further comprises a heat transfer fin bent portion (40) for deforming the heat transfer fin (2) to zigzag at the same time as the heat transfer fin (2) is spirally wound on the tube (1). 제 1항에 있어서,The method of claim 1, 상기 전열핀절곡부(40);는The heat transfer fin bending portion 40; 구동모터(41)에 결합되어 회전되는 회전체(42)의 외측면에 상기 전열핀(2)을 측방으로 가압하여 절곡시키도록 다수의 가압돌기(43)가 돌출 형성된 것을 특징으로 하는 폐열회수설비용 전열관 제조장치.Waste heat recovery facility, characterized in that a plurality of pressing projections 43 protruding to be bent by pressing the heat transfer fin (2) to the outer side of the rotating body 42 is coupled to the drive motor 41 is rotated Heat pipe manufacturing apparatus. 제 2항에 있어서,3. The method of claim 2, 상기 회전체(42)는,The rotating body 42, 상기 전열핀(2)과 대응되는 높이로 형성되되, 상단부가 상기 튜브(1)의 외측에 인접하게 배치되고, 하단부가 상기 전열핀(2)의 외측 끝단과 인접하게 배치되 며, 하방으로 점차 직경이 커지는 원뿔 형상으로 형성된 것을 특징으로 하는 폐열회수설비용 전열관 제조장치.It is formed to a height corresponding to the heat transfer fin (2), the upper end is disposed adjacent to the outside of the tube (1), the lower end is disposed adjacent to the outer end of the heat transfer fin (2), gradually downward Heat pipe manufacturing apparatus for waste heat recovery equipment, characterized in that formed in a conical shape with a larger diameter. 내측으로 유체가 통과되는 튜브(1)의 외측에 직육면체 형상의 전열핀(2)이 일정 간격으로 이격되면서 전체적으로 나선형을 이루며 돌출 고정된 전열관에 있어서,In the heat transfer tube protruding fixed in a spiral form as a whole, while the heat exchange fin (2) having a rectangular parallelepiped shape spaced apart at regular intervals on the outside of the tube (1) through which the fluid passes through, 상기 전열핀(2)의 사이 공간을 통과하는 유체의 진행방향이 불규칙하게 형성되도록 상기 전열핀(2)이 전,후방으로 불규칙한 지그재그 형상을 이루며 절곡된 것을 특징으로 하는 폐열회수설비용 전열관.Heat pipe for the waste heat recovery facility, characterized in that the heat transfer fin (2) is bent in an irregular zigzag shape in the front and rear, so that the direction of the fluid passing through the space between the heat transfer fin (2) irregularly.
KR1020090034749A 2009-04-21 2009-04-21 a heat exchanging pipe manufacturing apparatus for HRSG and a heat exchanging pipe KR101114533B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104475615A (en) * 2014-11-25 2015-04-01 北京有色金属研究总院 Manufacturing method of bi-metal composite finned tube

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114515800A (en) * 2022-01-25 2022-05-20 曾兰花 Deformation-preventing fin heating pipe auxiliary production equipment

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5865513A (en) * 1981-10-14 1983-04-19 Sanyo Electric Co Ltd Manufacture of needle-shaped finned heat exchanger
JPH09145283A (en) * 1995-11-21 1997-06-06 Toshiba Corp Heat-transfer pipe with fin and manufacture thereof
KR200247379Y1 (en) * 2001-06-13 2001-10-17 황석중 heat exchanger pipe manufacturing apparatus

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5865513A (en) * 1981-10-14 1983-04-19 Sanyo Electric Co Ltd Manufacture of needle-shaped finned heat exchanger
JPH09145283A (en) * 1995-11-21 1997-06-06 Toshiba Corp Heat-transfer pipe with fin and manufacture thereof
KR200247379Y1 (en) * 2001-06-13 2001-10-17 황석중 heat exchanger pipe manufacturing apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104475615A (en) * 2014-11-25 2015-04-01 北京有色金属研究总院 Manufacturing method of bi-metal composite finned tube

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