KR100444208B1 - A gasket for collector nozzle - Google Patents
A gasket for collector nozzle Download PDFInfo
- Publication number
- KR100444208B1 KR100444208B1 KR10-2001-0076114A KR20010076114A KR100444208B1 KR 100444208 B1 KR100444208 B1 KR 100444208B1 KR 20010076114 A KR20010076114 A KR 20010076114A KR 100444208 B1 KR100444208 B1 KR 100444208B1
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- South Korea
- Prior art keywords
- nozzle
- sealing gasket
- shrouding
- molten steel
- collector
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
- F16J15/108—Special methods for making a non-metallic packing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
- F16J15/102—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing characterised by material
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
- F16J15/104—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing characterised by structure
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S277/00—Seal for a joint or juncture
- Y10S277/924—Deformation, material removal, or molding for manufacture of seal
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
Abstract
본 발명은 콜렉터노즐(8)을 쉬라우딩노즐(12)로부터 분리할 때 용이하게 분리할 수 있게 하므로써, 해체성 불량률을 15% 이하로 감소시킬 수 있게 하여 작업성을 보다 향상될 수 있게 하는 데에 있는 것으로서, 그 구조는 콜렉터노즐(8) 하단부에 설치되어 쉬라우딩노즐(12)상에 안착되는 실링가스켓(10)에 있어서, 상기 실링가스켓(10) 표면에 코팅부(18)가 형성됨을 특징으로 한 콜렉터 노즐용 가스켓.The present invention makes it easy to separate the collector nozzle 8 from the shrouding nozzle 12, thereby reducing the disassembly defect rate to 15% or less, thereby improving workability. In the present invention, the structure is provided in the sealing gasket 10 installed on the lower end of the collector nozzle 8 and seated on the shrouding nozzle 12, wherein the coating 18 is formed on the surface of the sealing gasket 10. Gasket for collector nozzles, characterized in that formed.
Description
본 발명은 콜렉터노즐용 가스켓에 관한 것으로서, 특히 실링가스켓 전면에 이형재로 이루어진 코팅부를 형성하므로써 콜렉터노즐을 쉬라우딩노즐로부터 용이하게 분리할 수 있게 하여, 해체성 불량률이 최소화 될 수 있게 한 콜렉터 노즐용 가스켓에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a gasket for a collector nozzle, and in particular, by forming a coating part made of a release material on the front surface of a sealing gasket, the collector nozzle can be easily separated from the shrouding nozzle, so that the disassembly defect rate can be minimized. It relates to a gasket for use.
일반적으로 연속주조 기술은 턴디쉬에 래들 용강을 다 채운 다음, 준비된 후속 용강래들을 선회시켜 주조 포인트를 맞추고 래들 주입구를 열기 위한 준비작업을 완료한 후, 턴디쉬로 주조할 롱 노즐을 맞추어 래들 주입구와 센터를 맞추고 카세트 플레이트를 오픈하면, 래들 용강은 바닥에 설치된 탑 노즐구를 통하여 오픈된 카세트 플레이트와 밀착한 콜렉터 노즐을 통하여 롱 노즐에서 턴디쉬로 이동하게 하는 방법으로, 이러한 방법이 연속주조의 래들에서 턴디쉬로의 일반적인 용강 이동방식이다.In general, continuous casting technique fills the ladle with the ladle molten steel, then pivots the prepared subsequent molten steel to meet the casting point, prepares for opening the ladle inlet, and then aligns the long nozzle to be cast with the tundish. When the cassette plate is centered and the cassette plate is opened, the ladle molten steel is moved from the long nozzle to the tundish through the collector nozzle in close contact with the opened cassette plate through the top nozzle hole installed at the bottom. This is the general molten steel movement from ladle to tundish.
이때에 턴디쉬로 이동한 용강은 몰드를 통하여 침지 노즐로 이동한 후, 각 냉수가 존을 통하여 서서히 액체 용강에서 일정한 틀을 지닌 고체 용강으로 변화되어 제품을 만들기 위한 소재로서의 면모를 갖춘다.At this time, the molten steel moved to the tundish is moved to the immersion nozzle through the mold, and then each cold water gradually changes from the liquid molten steel to a solid molten steel with a constant mold through the zone to have a surface as a material for making a product.
이와 같이 연속되는 과정에서 래들의 주입구에서 턴디쉬로의 용강 이동중 롱노즐의 막힘 현상으로 인한 용강의 역류현상이 간혹 발생하게 되여, 주조중단 및 비산되는 용강으로 부터 작업자가 화상을 입거나, 역류 용강으로 인한 래들 주요설비의 열화 설비변형 등으로 안전 및 설비파손 등에 상당한 문제점을 발생시키게 된다.In this continuous process, the reverse flow of molten steel sometimes occurs due to the blockage of the long nozzle during the movement of the molten steel from the inlet of the ladle to the tundish. Due to the deterioration of the main equipment of the ladle due to the deformation of the equipment, such as a significant problem occurs, such as safety and equipment damage.
이때 막힘 현상으로의 요인은 연주 작업시 노즐 하단부의 내경이 좁아져 래들의 휠러재가 통과하다가 걸리게 되는데, 이로인하여 순간적으로 용강의 흐름을 방해하게 되므로써 순간적으로 역류가 일어나게 된다.At this time, the clogging phenomenon is that the inner diameter of the lower end of the nozzle is narrowed during the playing operation, the ladle wheeler material is passed through, which causes the flow of molten steel to momentarily hinder the flow of the reverse flow occurs.
또한 연결 작업시 턴디쉬 내부의 상부에 슬래그와 롱노즐 하단부가 접촉하므로써 막이 형성되는데, 이로 인해 순간적으로 역류가 발생하게 된다.In addition, the film is formed by contacting the slag and the lower end of the long nozzle in the upper portion of the tundish at the time of connection work, which causes instantaneous backflow.
이러한 역류현상으로 인하여 상승하는 용강의 흐름을 차단하기 위해 화이버프렉스로 이루어진 원형의 실링가스켓을 제작하여 설치하게 되는데, 이때 실링가스켓은 콜렉터노즐 하단부에 결합되면서 쉬라우딩노즐상에 설치되여 사용하게 된다.Due to such a reverse flow phenomenon, to prevent the flow of the molten steel to rise and manufacture a circular sealing gasket made of fiber prex, the sealing gasket is coupled to the collector nozzle lower portion is installed on the shrouding nozzle is used. .
한편 종래의 기술은 동일인에 의해 선출된 특허출원번호 제2001-34990호(명칭:콜렉터 노즐용 가스켓)을 살펴보면 다음과 같다.On the other hand, the prior art looks at the patent application No. 2001-34990 (name: collector nozzle gasket) elected by the same person as follows.
먼저 용강의 흐름을 안내하는 콜렉터노즐 하단부에 원형으로 이루어진 실링가스켓이 설치되는데, 상기 실링가스켓은 용강의 흐름을 안내하는 쉬라우딩노즐상에 안착되어져 사용된다.First, a circular sealing gasket is installed at the lower end of the collector nozzle for guiding the flow of molten steel. The sealing gasket is used by being seated on a shrouding nozzle for guiding the flow of molten steel.
이때 상기 실링가스켓은 화이버 프렉스 재료로 이루어지는데, 상기 실링가스켓 표면은 노출되어 있어서 보호역할을 하는 코팅부가 형성되어 있지 않다.At this time, the sealing gasket is made of a fiber-prex material, the surface of the sealing gasket is exposed, there is no coating formed to protect the role.
상기와 같이 구성되는 종래의 기술을 작용에 대하여 설명하면 다음과 같다.Referring to the operation of the conventional technology configured as described above is as follows.
먼저 상기 콜렉터노즐 하단부에 실링가스켓을 일반적으로 사용하고 있는 접착제인 본드를 도포하여 부착시킨 후, 상기 콜렉터노즐을 쉬라우딩노즐 상단부에 위치시키게 되면, 상기 실링가스켓은 쉬라우딩노즐 상단 면에 밀착하면서 콜렉터노즐 하중에 의해 가압되어 고정되는 상태가 된다.First, by applying a bond, which is an adhesive generally using a sealing gasket, to the lower end of the collector nozzle, and then placing the collector nozzle at the upper end of the shrouding nozzle, the sealing gasket closely adheres to the upper surface of the shrouding nozzle. While being pressed and fixed by the collector nozzle load.
상기와 같이 설치된 상태에서 용강이 래들로부터 흘러 나와 콜렉터노즐과 쉬라우딩노즐을 순차적으로 통과하면서 하부에 위치한 턴디쉬에 도달하게 된다.Molten steel flows out of the ladle in the installed state as described above to pass through the collector nozzle and the shrouding nozzle to reach the tundish located in the lower portion.
이때 상기 용강이 콜렉터노즐과 쉬라우딩노즐을 통과하게 될 때 고열을 실링가스켓에 전달하게 되는데, 이로 인하여 상기 실링가스켓은 콜렉터노즐로부터 전달되는 하중과 용강으로부터 전달되는 열에 의해 쉬라우딩노즐 상단부에 밀착되면서 고정되어, 상기 콜렉터노즐을 쉬라우딩노즐로부터 분리할 때 용이하게 분리하지 못하게 되는 결점을 지니게 된다.At this time, when the molten steel passes through the collector nozzle and the shrouding nozzle, high heat is transferred to the sealing gasket. As a result, the sealing gasket has an upper portion of the shrouding nozzle by the heat transmitted from the collector nozzle and the heat transferred from the molten steel. It is fixed while being in close contact, and has a drawback that the collector nozzle cannot be easily separated when separated from the shrouding nozzle.
상기와 같이 분리작업을 반복적으로 하게 될 때 발생되는 해체성 불량률은 보통 60%에 달하게 되어 작업성이 떨어지게 되는 문제점이 있다.As described above, when the separation operation is repeatedly performed, the disassembly defect rate usually reaches 60%, resulting in a decrease in workability.
이에 본 발명은 콜렉터노즐을 쉬라우딩노즐로부터 분리할 때 용이하게 분리할 수 있게 하므로써, 해체성 불량률을 15% 이하로 감소시킬 수 있어 작업성을 보다 향상시키는 데에 그 목적이 있다.Accordingly, an object of the present invention is to make it easy to separate the collector nozzle from the shrouding nozzle, thereby reducing the disassembly defect rate to 15% or less, thereby improving workability.
본원 발명은 실링가스켓 전면에 이형재로 이루어진 코팅부를 형성하므로써, 콜렉터노즐을 쉬라우딩노즐로부터 용이하게 분리할 수 있게 하여, 해체성 불량률을 최소화 할 수 있도록 하는데에 그 목적이 있다.An object of the present invention is to form a coating portion made of a release material on the front surface of the sealing gasket, so that the collector nozzle can be easily separated from the shrouding nozzle, thereby minimizing the disassembly defect rate.
이를 실현하기 위한 본 발명은, 콜렉터노즐 하단부에 설치되어 쉬라우딩노즐상에 안착되는 실링가스켓에 있어서, 상기 실링가스켓 표면에 코팅부가 형성된다.In the present invention for realizing this, in the sealing gasket installed on the lower end of the collector nozzle and seated on the shrouding nozzle, a coating part is formed on the surface of the sealing gasket.
도 1 은 본 발명의 실시 예가 노즐에 설치되어 사용되는 상태도.1 is a state in which an embodiment of the present invention is installed on the nozzle used.
도 2 는 본 발명의 실시 예가 노즐에 설치된 상태의 단면도.2 is a cross-sectional view of an embodiment of the present invention installed in a nozzle.
도 3 은 본 발명의 실시예가 설치된 실링가스켓의 단면도.3 is a cross-sectional view of a sealing gasket provided with an embodiment of the present invention.
<도면의 주요 부분에 대한 부호의 설명><Explanation of symbols for the main parts of the drawings>
2:연조주조설비 4:용강 6:래들2: Casting equipment 4: Molten steel 6: Ladle
8:콜렉터노즐 10:실링가스켓 12:쉬라우딩노즐8: Collector nozzle 10: Sealing gasket 12: Shrouding nozzle
14:턴디쉬 16:홀 18:코팅부14: Tundish 16: Hole 18: Coating part
이에 본 발명은 도 1 에 도시된 바와 같이 연조주조설비(2)가 구성되는데, 상기 연조주조설비(2)에는 일정량의 용강(4)을 담을 수 있도록 한 래들(6)이 설치되고, 상기 래들(6) 바닥 면에는 용강(4)의 흐름을 안내하는 콜렉터노즐(8)이 수직으로 배치되면서 설치되며, 상기 콜렉터노즐(8) 하단 부에는 도 2 에 도시된 바와 같이 실링가스켓(10)이 설치된다.Accordingly, in the present invention, as shown in FIG. 1, a soft casting apparatus 2 is provided, and the soft casting apparatus 2 is provided with a ladle 6 to hold a predetermined amount of molten steel 4, and the ladle. (6) The collector nozzle 8 for guiding the flow of the molten steel 4 is installed vertically on the bottom surface, and the sealing gasket 10 is provided at the lower end of the collector nozzle 8 as shown in FIG. Is installed.
그리고 상기 실링가스켓(10)을 상단부에 위치시키면서 용강(4)의 흐름을 안내하는 쉬라우딩노즐(12)이 상기 콜렉터노즐(8) 하단부에 위치하면서 설치되고, 상기 쉬라우딩노즐(12) 하단부에는 턴디쉬(14)가 위치한다.And the shrouding nozzle 12 for guiding the flow of the molten steel 4 while placing the sealing gasket 10 in the upper end is installed while being located in the lower end of the collector nozzle (8), the shrouding nozzle 12 The tundish 14 is located at the lower end.
상기와 같이 설치되는 실링가스켓(10)의 구조를 도 3 에서 살펴보면, 먼저 상기 실링가스켓(10)은 용강(4)의 흐름을 안내하는 홀(16)을 중앙에 관통하여 형성한 실링가스켓(10)이,상기한 콜렉터노즐(8) 하단부와 동일한 모양을 하면서 구성된다.Looking at the structure of the sealing gasket 10 is installed as described above in Figure 3, the first sealing gasket 10 is a sealing gasket 10 formed by penetrating the center of the hole 16 for guiding the flow of the molten steel (4) ) Is configured while having the same shape as the lower end of the collector nozzle (8) described above.
상기와 같이 구성되는 실링가스켓(10)은 고온의 용강(4)에 사용되는 관계로 가스켓으로서의 조건이 갖추어져야 한다.Since the sealing gasket 10 configured as described above is used for high temperature molten steel 4, the conditions as a gasket should be provided.
그 조건으로서는 첫째, 콜렉터노즐(8)과 쉬라우딩노즐(12)들 사이로 공기가 흡입되지 않도록 밀폐시키기 위한 밀착성이 우수해야 하고, 둘째 고온 약 1000℃ 이상에서 50분 이상 견딜 수 있는 내열성이 구비되어야 하며, 셋째 콜렉터노즐(8)의 하중에 의해 파손되거나 찢어지지 않아야 한다.As a condition, first, the adhesiveness must be excellent for sealing the air so as not to be inhaled between the collector nozzle 8 and the shrouding nozzles 12, and second, heat resistance that can withstand 50 minutes or more at a high temperature of about 1000 ℃ or more. It should not be broken or torn by the load of the third collector nozzle (8).
이와 같은 조건에 따라 본 발명의 가스켓 소재로서는 화이버 프렉스 소재가 채용되었다.Under such conditions, a fiber prex material was adopted as the gasket material of the present invention.
상기한 화이버 프렉스의 화학적 특성과 물리적 성질을 보면, 먼저 사용온도범위는 약 1260℃, 용융점은 1760℃, 일반적인 밀도는 250-300KG/m3, 열전도도(Thermal conductivity)는 1000℃에서 0.17Kcal/mh℃, 내열충격성(Thermal shock resistance)은 매우 우수함, 화학성분 : AL2O3(47-49중량%), SiO3(50-53중량%)이다.In terms of the chemical and physical properties of the fiber prex, the operating temperature range is about 1260 ° C, the melting point is 1760 ° C, the general density is 250-300KG / m 3 , and the thermal conductivity is 0.17Kcal / at 1000 ° C. mh ℃, Thermal shock resistance is very good, chemical composition: AL 2 O 3 (47-49% by weight), SiO 3 (50-53% by weight).
이와 함께 상기 실링가스켓(10) 전면에는 콜렉터노즐(8)을 쉬라우딩노즐(12)로부터 분리할 때 해체성 불량률이 15%로 낮추어질 수 있도록 한 코팅부(18)가 형성되는데, 이때 상기 코팅부(18)는 실링가스켓(10) 전면에만 형성되고, 배면은 노출된 상태로 있게 된다.In addition, when the collector nozzle 8 is separated from the shrouding nozzle 12 on the front surface of the sealing gasket 10, a coating part 18 is formed so that the disassembly defect rate can be lowered to 15%. The coating 18 is formed only on the front surface of the sealing gasket 10, and the rear surface thereof is exposed.
상기와 같이 형성되는 코팅부(18)의 성분은 그래파이트(GRAPHITE 98.18%~98.5%), 산화알루미늄(AL2O30.55%~0.75%), 산화마그네슘(MgO 0.87%~1.07%) 등을 포함하여 이루어진다.The components of the coating unit 18 formed as described above include graphite (GRAPHITE 98.18% to 98.5%), aluminum oxide (AL 2 O 3 0.55% to 0.75%), magnesium oxide (MgO 0.87% to 1.07%), and the like. It is done by
상기와 같이 구성되는 본 발명의 작용을 설명하면 다음과 같다.Referring to the operation of the present invention configured as described above are as follows.
먼저 실링가스켓(10) 배면에 본드를 도포하여 콜렉터노즐(8) 하단부에 부착하고, 상기 실링가스켓(10)을 쉬라우딩노즐(12) 상단부에 위치시키면, 상기 콜렉터노즐(8) 하단부가 쉬라우딩노즐(12) 상단부에 위치하게 된다.First, a bond is applied to the rear surface of the sealing gasket 10 to be attached to the lower end of the collector nozzle 8, and the sealing gasket 10 is positioned at the upper end of the shrouding nozzle 12. The upper part of the routing nozzle 12 is located.
상기와 같은 상태에서 래들(6)로부터 용강(4)이 흘러 내려 가면, 상기 용강(4)은 콜렉터노즐(8)과 쉬라우딩노즐(12)을 순차적으로 따라 이동하면서 턴디쉬(14)에 도달하게 된다.When the molten steel 4 flows down from the ladle 6 in the above state, the molten steel 4 moves to the tundish 14 while sequentially moving the collector nozzle 8 and the shrouding nozzle 12. Will be reached.
상기와 같이 용강(4)이 하부로 흘러내려 갈 때 고열이 실링가스켓(10)에 전달되는데, 이때 상기 실링가스켓(10)은 전달되는 고열에 의해 콜렉터노즐(8) 하단부에 늘어 붙게 되고, 동시에 상기와는 반대로 실링가스켓(10) 전면에 형성된 코팅부(18)는 이형재로 되어 있어서 용강(4)으로부터 전달되는 열에 의해 실링가스켓(10)이 쉬라우딩노즐(12)에 밀착되면서 고정되는 것을 방지하게 됨에 따라, 상기한 콜렉터노즐(8)과 쉬라우딩노즐(12)이 상호 용이하게 분리될 수 있게 한다.As the molten steel 4 flows down as described above, high heat is transmitted to the sealing gasket 10, wherein the sealing gasket 10 is attached to the lower end of the collector nozzle 8 by the high heat transmitted. Contrary to the above, the coating part 18 formed on the front surface of the sealing gasket 10 is made of a release material, so that the sealing gasket 10 is fixed to the shrouding nozzle 12 by heat transmitted from the molten steel 4. As it is prevented, the collector nozzle 8 and the shrouding nozzle 12 can be easily separated from each other.
상기와 같이 용강(4)이 턴디쉬(14)로 이동할 때 실링가스켓(10)이 콜렉터노즐(8)과 쉬라우딩노즐(12) 사이에 밀착되면서 밀폐되어 외부로부터 유해가스 및 이물질이 유입되는 것을 차단하게 된다.As described above, when the molten steel 4 moves to the tundish 14, the sealing gasket 10 is tightly sealed between the collector nozzle 8 and the shrouding nozzle 12, whereby harmful gas and foreign substances are introduced from the outside. Will be blocked.
계속하여 래들(6)로부터 턴디쉬(14)로 공급되면서 주조작업이 완료되면 콜렉터노즐(8)을 쉬라우딩노즐(12)로부터 분리시키게 되는데, 이때 상기 실링가스켓(10)은 콜렉터노즐(8) 하단부에 고정된 상태에서 쉬라우딩노즐(12) 상단부로부터 이격되며 떨어지게 된다.The collector nozzle 8 is separated from the shrouding nozzle 12 when the casting operation is completed while continuously supplying the ladle 6 to the tundish 14, wherein the sealing gasket 10 is the collector nozzle 8. In the fixed state at the lower end, the shrouding nozzle 12 is spaced apart from the upper end.
상기와 같이 실링가스켓(10)이 쉬라우딩노즐(12)로부터 용이하게 분리시킬 수 있는 것은 전면에 이형재로 이루어진 코팅부(18)를 형성하고 있어서, 상기 코팅부(18)가 콜렉터노즐(8)로부터 전달되는 하중과 통과하는 용강(4)으로부터 전달되는 열에 의해 실링가스켓(10)이 쉬라우딩노즐(12) 상단부에 밀착되면서 고정되는 것을 방지하게 된다.As described above, the sealing gasket 10 can be easily separated from the shrouding nozzle 12 by forming a coating part 18 made of a release material on the front surface, and the coating part 18 is a collector nozzle 8. The sealing gasket 10 is prevented from being fixed while being in close contact with the upper end of the shrouding nozzle 12 by the load transmitted from the heat transfer and the heat transmitted from the molten steel 4 passing therethrough.
따라서 상기 실링가스켓(10)은 쉬라우딩노즐(12)과는 밀착 고정되면서 들뜬상태로 있게 되어, 상기 콜렉터노즐(8)이 쉬라우딩노즐(12)로부터 용이하게 분리할 수 있게 된다.Therefore, the sealing gasket 10 is in an excited state while being closely fixed to the shrouding nozzle 12, so that the collector nozzle 8 can be easily separated from the shrouding nozzle 12.
본원 발명은 실링가스켓 전면에 이형재로 이루어진 코팅부를 형성하므로써, 콜렉터노즐을 쉬라우딩노즐로부터 용이하게 분리할 수 있게 하여, 해체성 불량률을 15% 이하로 감소시킬 수 있어 작업성을 보다 향상시키는 효과가 있다.According to the present invention, by forming a coating part made of a release material on the sealing gasket, the collector nozzle can be easily separated from the shrouding nozzle, so that the disassembly defect rate can be reduced to 15% or less, thereby improving workability. There is.
Claims (2)
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| KR10-2001-0076114A KR100444208B1 (en) | 2001-12-04 | 2001-12-04 | A gasket for collector nozzle |
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| CN109251042A (en) * | 2017-07-12 | 2019-01-22 | 上海宝钢工业技术服务有限公司 | Flexible self-expanding heatproof sealing element and preparation method thereof for continuous casting long gate |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109251042A (en) * | 2017-07-12 | 2019-01-22 | 上海宝钢工业技术服务有限公司 | Flexible self-expanding heatproof sealing element and preparation method thereof for continuous casting long gate |
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