KR200358244Y1 - Strip bright annealing system - Google Patents
Strip bright annealing system Download PDFInfo
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- KR200358244Y1 KR200358244Y1 KR20-2004-0014673U KR20040014673U KR200358244Y1 KR 200358244 Y1 KR200358244 Y1 KR 200358244Y1 KR 20040014673 U KR20040014673 U KR 20040014673U KR 200358244 Y1 KR200358244 Y1 KR 200358244Y1
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- uncoiler
- strip
- annealing
- degreasing
- continuous
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- 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
- B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
- B21C47/16—Unwinding or uncoiling
- B21C47/18—Unwinding or uncoiling from reels or drums
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/26—Methods of annealing
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/54—Furnaces for treating strips or wire
- C21D9/56—Continuous furnaces for strip or wire
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/54—Furnaces for treating strips or wire
- C21D9/56—Continuous furnaces for strip or wire
- C21D9/561—Continuous furnaces for strip or wire with a controlled atmosphere or vacuum
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/54—Furnaces for treating strips or wire
- C21D9/56—Continuous furnaces for strip or wire
- C21D9/562—Details
- C21D9/564—Tension control
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/54—Furnaces for treating strips or wire
- C21D9/56—Continuous furnaces for strip or wire
- C21D9/573—Continuous furnaces for strip or wire with cooling
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/14—Cleaning or pickling metallic material with solutions or molten salts with alkaline solutions
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/04—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity adapted for treating the charge in vacuum or special atmosphere
- F27B9/045—Furnaces with controlled atmosphere
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/12—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity with special arrangements for preheating or cooling the charge
- F27B2009/124—Cooling
Abstract
본 고안은 연속식 광휘 소둔장치에 관한 것으로, 금속 스트립에 권취된 메인 언코일러와, 상기 언코일러로부터 인출된 스트립의 표면을 탈지하는 탈지기와, 탈지된 상기 스트립의 표면을 소둔 처리하는 연속식 소둔로와, 소둔 처리된 상기 스트립의 냉각하는 냉각기와, 냉각된 상기 스트립을 권취하는 코일러를 포함하는 연속식 광휘 소둔장치에 있어서, 상기 언코일러와 병렬로 금속 스트립을 제공할 수 있는 서브 언코일러와, 상기 언코일러와 상기 부 언코일러로부터 각기 제공된 상기 금속 스트립을 시밍하도록 상기 언코일러와 상기 탈지기 사이에 개재된 심 웰더(seam welder)와, 상기 스트립의 장력을 구현하도록 상기 탈지기와 상기 소둔로 사이에 개재된 장력 조절기를 더 포함하여 구성됨으로써, 고단가의 외산 연속식 광휘 소둔장치를 수입 대체하여 외화의 유출을 근본적으로 방지함은 물론, 최신 열처리 기술을 국산화하여 국가 산업 발전에 이바지할 수 있는 효과가 있다.The present invention relates to a continuous bright annealing device, comprising a main uncoiler wound on a metal strip, a degreasing machine for degreasing the surface of the strip drawn out from the uncoiler, and a continuous annealing treatment for annealing the surface of the stripped strip. A continuous bright annealing device comprising a furnace, a cooling cooler of the annealing strip, and a coiler winding the cooled strip, wherein the sub-uncoiler can provide a metal strip in parallel with the uncoiler. A seam welder interposed between the uncoiler and the degreasing machine to shim the metal strips respectively provided from the uncoiler and the secondary uncoiler, and the degreasing machine and the annealing to realize tension of the strip. It further includes a tension regulator interposed between the furnaces, thereby importing and replacing the high unit cost continuous bright annealing device. In addition, it is possible to fundamentally prevent the outflow of foreign currency, and to contribute to the development of national industry by localizing the latest heat treatment technology.
Description
본 고안은 연속식 광휘 소둔장치에 관한 것으로, 더욱 상세하게는 스테인레스 스틸 또는 구리 스트립을 무산화 분위기 하에서 가열하여 금속 내부의 잔류 응력을 제거하는 동시에 금속 특유의 광택을 구현하기 위한 연속식 광휘 소둔장치에 관한 것이다.The present invention relates to a continuous bright annealing device, and more particularly, a continuous bright annealing device for heating the stainless steel or copper strip in an anoxic atmosphere to remove residual stress in the metal and at the same time to achieve a metallic-specific gloss It is about.
소둔로는 냉간압연 원자재의 기계적 성질을 변화시키는 장치로서, 금속을 미리 정해진 온도로 정확히 가열하여 유지시켜 인장 강도, 항복 강도, 신장률 등을 고객이 요구한 조건에 맞게 변화시키는 열처리로의 일종이다.The annealing furnace is a device for changing the mechanical properties of cold rolled raw materials, and is a kind of heat treatment furnace that changes the tensile strength, yield strength, elongation rate, etc. according to the customer's requirements by keeping the metal accurately heated to a predetermined temperature.
특히, 스테인레스 스틸 또는 구리 스트립은 냉간압연 원자재의 기계적 성질을 변화시킴은 물론, 금속 특유의 광택을 구현하기 위하여 무산화 분위기 하에서 소둔 처리를 실행한다.In particular, stainless steel or copper strips not only change the mechanical properties of the cold rolled raw materials, but also carry out annealing treatment in an anoxic atmosphere in order to achieve metallic-specific luster.
종래 기술에 의한 소둔로는 선재 또는 기타 단조물을 열처리하는 벨 타입 (bell type)이 주종을 이루고 있으나, 현재 냉간압연 코일(또는 스트립)의 수요 증가로 인해 다양한 연속식 소둔장치가 가동되고 있다.The annealing furnace according to the prior art is mainly a bell type for heat treatment of wire rods or other forgings, but various continuous annealing apparatuses are currently operating due to the increased demand for cold rolled coils (or strips).
그러나, 현재 국내에 도입된 연속식 소둔장치는 모두 외산으로 막대한 외화가 낭비되고 있어 고효율 저단가의 국산 연속식 소둔장치의 개발이 적극적으로 요구되는 실정에 있다.However, all of the continuous annealing devices introduced in Korea are in a situation where huge foreign currency is wasted in foreign countries, and therefore, the development of a domestic continuous annealing device with high efficiency and low cost is required.
상기와 같은 문제점을 해소하기 위하여 창안된 본 고안의 목적은 스테인레스 스틸 또는 구리 스트립의 기계적 성질을 소비자의 요구에 대응하여 변화함과 동시에 금속 특유의 광택을 구현할 수 있는 연속식 광휘 소둔장치를 제공함에 있다.The object of the present invention, which was devised to solve the above problems, is to provide a continuous bright annealing device capable of realizing a metallic-specific gloss while simultaneously changing the mechanical properties of stainless steel or copper strips in response to consumer demands. have.
이러한 본 고안의 목적은, 금속 스트립에 권취된 메인 언코일러와, 상기 언코일러로부터 인출된 스트립의 표면을 탈지하는 탈지기와, 탈지된 상기 스트립의 표면을 소둔 처리하는 연속식 소둔로와, 소둔 처리된 상기 스트립의 냉각하는 냉각기와, 냉각된 상기 스트립을 권취하는 코일러를 포함하는 연속식 광휘 소둔장치에 있어서, 상기 언코일러와 병렬로 금속 스트립을 제공할 수 있는 서브 언코일러와,상기 언코일러와 상기 부 언코일러로부터 각기 제공된 상기 금속 스트립을 시밍하도록 상기 언코일러와 상기 탈지기 사이에 개재된 심 웰더(seam welder)와, 상기 스트립의 장력을 구현하도록 상기 탈지기와 상기 소둔로 사이에 개재된 장력 조절기를 더 포함하여 구성된 것을 특징으로 하는 연속식 광휘 소둔장치에 의해 달성될 수 있다.The object of the present invention is a main uncoiler wound on a metal strip, a degreasing machine for degreasing the surface of the strip drawn out from the uncoiler, a continuous annealing furnace for annealing the surface of the stripped strip, and annealing treatment. In the continuous bright annealing device comprising a cooling cooler of the strip and the coiler winding the cooled strip, A sub uncoiler capable of providing a metal strip in parallel with the uncoiler, The uncoiler And a seam welder interposed between the uncoiler and the degreasing machine to shim the respective metal strips provided from the secondary uncoiler, and between the degreasing machine and the annealing furnace to realize tension of the strip. It can be achieved by a continuous bright annealing device characterized in that it further comprises a tension regulator.
바람직하게는, 본 고안은 상기 스트립의 공급 조절을 구현하도록 상기 탈지기와 상기 장력 조절기 사이 그리고, 상기 냉각기와 상기 코일러 사이에 각기 개재된 장력 조절 유니트가 구비한 어큐뮬레이터(accumulator)를 더 포함하여 구성된다.Preferably, the present invention further comprises an accumulator provided with a tension control unit interposed between the degreasing machine and the tension regulator and between the cooler and the coiler to implement supply control of the strip. do.
도 1은 본 고안에 의한 연속식 광휘 소둔장치를 나타내는 구성도이다.1 is a configuration diagram showing a continuous bright annealing device according to the present invention.
도 2는 도 1의 블록 구성도이다.2 is a block diagram of FIG. 1.
<< 도면의 주요부분에 대한 부호의 설명 >><< Explanation of symbols for main part of drawing >>
12 : 메인 언코일러 14 : 서브 언코일러12: main uncoiler 14: sub uncoiler
20 : 심 웰더(seam welder) 40 : 탈지기20 seam welder 40 degreasing machine
52, 54 : 어큐뮬레이터(accumulator)52, 54: accumulator
60 : 장력 조절기 70 : 소둔로60: tension regulator 70: annealing furnace
80 : 냉각기 90 : 코일러80: cooler 90: coiler
이하, 도면을 참조하여 본 고안의 구성을 상세히 설명하면 다음과 같다.Hereinafter, the configuration of the present invention with reference to the drawings in detail.
도 1은 본 고안에 의한 연속식 광휘 소둔장치를 나타내는 구성도이고, 도 2는 도 1의 블록 구성도이다.1 is a block diagram showing a continuous luminance annealing device according to the present invention, Figure 2 is a block diagram of FIG.
도 1 및 도 2를 참조하면, 본 고안에 의한 연속식 광휘 소둔장치는 스테인레스 스틸 또는 구리 스트립을 무산화 분위기 하에서 연속적으로 소둔시켜 원하는 기계적 성질을 구득함과 아울러 금속 자체의 광택을 구현하기 위한 인라인 장치이다.1 and 2, the continuous bright annealing device according to the present invention is an inline to achieve the desired mechanical properties and to achieve the gloss of the metal itself by continuously annealing stainless steel or copper strip in an anoxic atmosphere Device.
메인 및 서브 언코일러(12)(14)에는 각기 금속 스트립이 권취된 상태에서 인출되며 메인 언코일러(12)의 금속 스트립이 소진되는 경우에 서브 언코일러(14)의 스트립을 후단에 설치된 심 웰더(20)에 의해 연결하도록 구성되어 있다.The main and sub uncoilers (12) and (14) are drawn out with the respective metal strips wound, and the seam welder provided with the strip of the sub uncoiler (14) at the rear end when the metal strips of the main uncoiler (12) are exhausted. It is configured to connect by 20.
메인 언코일러(12)에 의해 인출된 금속 스트립은 먼저, 탈지기(40)를 통해알카리 및 수세를 거쳐 표면에 묻어있던 오일 등을 완벽하게 제거된다.The metal strip drawn out by the main uncoiler 12 is first completely removed from the oil, etc., which has been deposited on the surface through alkali and water washing through the degreasing machine 40.
금속 스트립은 폭 방향으로 쏠려지는 것을 방지하도록 스티어링 장비(32)가 구비되어 있다.The metal strip is provided with steering equipment 32 to prevent it from being oriented in the width direction.
제 1 어큐뮬레이터(54)는 전술된 바와 같이, 메인 언코일러(12)의 금속 스트립이 소진된 경우에 서브 언코일러(14)에 의해 공급된 금속 스트립과 시밍하는 시간에 연속적인 소둔 공정이 이루어지도록 제공된 것으로, 복수 개의 스티어링 롤로 구성되어 있다.As described above, the first accumulator 54 performs a continuous annealing process at the time of seaming with the metal strip supplied by the sub uncoiler 14 when the metal strip of the main uncoiler 12 is exhausted. It is provided and is comprised by the some steering roll.
제 1 어큐뮬레이터(54)의 후단에는 장력 조절기(60)가 제공되어 있으며, 장력 조절기(60)는 스티어링 롤, 브레이드 롤, 장력 유니트 및 댄서 롤 등으로 구성되어 있다.The rear end of the first accumulator 54 is provided with a tension regulator 60, the tension regulator 60 is composed of a steering roll, a braid roll, a tension unit and a dancer roll.
소둔로(70)는 로내의 온도 분포가 균일하도록 적절한 구성되어 있으며, 내부의 분위기 유지를 위한 머플(Muffle)은 1,200℃에서도 변형이 되지 않으며 로체 내부의 머플과 및 중간롤이 탈착이 용이하도록 구성되어 있다.Annealing furnace 70 is appropriately configured so that the temperature distribution in the furnace is uniform, the muffle for maintaining the atmosphere inside is not deformed at 1,200 ℃ and the muffle in the furnace and the middle roll is configured to be easily removable It is.
냉각기(80)는 제트 쿨링 방식으로 소둔된 금속 스트립을 원하는 시간 내에 냉각시키도록 제공되어 있다.The cooler 80 is provided to cool the metal strip annealed in a jet cooling manner within a desired time.
여기서, 소둔 및 냉각 공정이 진행된 금속 스트립은 스트어링 롤 및 브레이드 롤로 구성된 장비(34)를 통해 폭 방향으로 쏠려지는 것이 방지되어 있다.Here, the metal strip subjected to the annealing and cooling process is prevented from being oriented in the width direction through the equipment 34 composed of the steering roll and the braid roll.
또한, 제 2 어큐뮬레이터(54)는 코일러(90)에 소둔 공정이 완료된 금속 스트립이 완전 권취된 경우에 연속적인 소둔 공정이 진행되면서 보빈을 교체할 수 있도록 제공된 것으로, 복수 개의 스티어링 롤로 구성되어 있다.In addition, the second accumulator 54 is provided to replace the bobbin while the continuous annealing process is performed when the metal strip in which the annealing process is completed is completely wound on the coiler 90, and is composed of a plurality of steering rolls. .
제 2 어큐뮬레이터(54)로부터 인출된 금속 스트립은 스트어링 롤 및 브레이드 롤로 구성된 장비(36)를 통해 폭 방향으로 쏠려지는 것이 방지되고 이후 코일러(90)에 의해 권취되어 모든 작업이 완료된다.The metal strip drawn out from the second accumulator 54 is prevented from being pulled in the width direction through the equipment 36 consisting of the steering roll and the braid roll and then wound up by the coiler 90 to complete all the work.
본 고안에 의한 연속식 광휘 소둔장치는 외산 소둔장치에 비하여 다음과 같은 부분에 기술적 우위를 점유하고 있다.The continuous bright annealing device according to the present invention occupies a technical advantage in the following parts as compared to the foreign annealing device.
1. 메인 및 서브 언코일러(12)(14)의 권취해제 속도 및 장력 조절1. Adjusting the unwinding speed and tension of the main and sub uncoilers (12) and (14)
2. 제 1 어큐뮬레이터(52)의 장력 제어2. Tension control of the first accumulator 52
3. 소둔로(70) 내부의 금속 스트립의 운전 속도 및 장력 제어3. Operation speed and tension control of the metal strip inside the annealing furnace 70
4. 제 2 어큐뮬레이터(54)의 장력 제어4. Tension control of the second accumulator 54
5. 코일러(90)의 권취 속도 및 장력 조절5. Winding speed and tension control of the coiler 90
6. 금속 스트립의 입력으로 운전 데이터의 자동 입력 및 심 웰더(20)의 용접부(Seaming point) 추적 회로설계6. Automatic input of operation data by input of metal strip and design of tracking point of seam welder 20
7. 소둔로(70) 내부의 온도를 필요한 가열 온도 패턴에 의한 자동 제어7. Automatic control of the temperature inside the annealing furnace 70 by the required heating temperature pattern
이상에서 설명된 본 고안은 몇몇 실시예에 한정되어 설명되었지만, 이에 한정되지 않고 본 고안이 속하는 분야의 통상적인 기술분야에서 통상의 지식을 가진 자가 용이하게 실시할 수 있는 정도의 변형은 본 고안의 기술적 사상에 속하는 것임은 자명하다.Although the present invention described above has been described with reference to some embodiments, the present invention is not limited thereto, and the present invention may be easily modified by those skilled in the art. It is obvious that it belongs to the technical idea.
이상의 구성을 갖는 본 고안은 고단가의 외산 연속식 광휘 소둔장치를 수입 대체하여 외화의 유출을 근본적으로 방지함은 물론, 최신 열처리 기술을 국산화하여 국가 산업 발전에 이바지할 수 있는 효과가 있다.The present invention having the above configuration has the effect of preventing the outflow of foreign currency by replacing the imported high-speed continuous bright annealing device of high cost, as well as localizing the latest heat treatment technology to contribute to the national industrial development.
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| KR20-2004-0014673U KR200358244Y1 (en) | 2004-05-27 | 2004-05-27 | Strip bright annealing system |
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