KR100774846B1 - Manufacturing method of a separated porousplug - Google Patents

Manufacturing method of a separated porousplug Download PDF

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Publication number
KR100774846B1
KR100774846B1 KR1020060068934A KR20060068934A KR100774846B1 KR 100774846 B1 KR100774846 B1 KR 100774846B1 KR 1020060068934 A KR1020060068934 A KR 1020060068934A KR 20060068934 A KR20060068934 A KR 20060068934A KR 100774846 B1 KR100774846 B1 KR 100774846B1
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South Korea
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plug
porous
porous plug
plugs
damaged
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KR1020060068934A
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Korean (ko)
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김종점
김석원
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주식회사 포스코
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
    • B22D41/14—Closures
    • B22D41/22—Closures sliding-gate type, i.e. having a fixed plate and a movable plate in sliding contact with each other for selective registry of their openings
    • B22D41/42—Features relating to gas injection
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D1/00—Treatment of fused masses in the ladle or the supply runners before casting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/10—Supplying or treating molten metal
    • B22D11/11—Treating the molten metal
    • B22D11/116—Refining the metal
    • B22D11/117—Refining the metal by treating with gases
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
    • B22D41/14—Closures
    • B22D41/22—Closures sliding-gate type, i.e. having a fixed plate and a movable plate in sliding contact with each other for selective registry of their openings
    • B22D41/28—Plates therefor
    • B22D41/30—Manufacturing or repairing thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
    • B22D41/50—Pouring-nozzles
    • B22D41/58—Pouring-nozzles with gas injecting means
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04—Removing impurities by adding a treating agent
    • C21C7/072—Treatment with gases

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Treatment Of Steel In Its Molten State (AREA)

Abstract

A method for manufacturing a separation type porous plug is provided to extend an exchange period of the porous plug by individually exchanging a damaged porous plug rather than both porous plugs installed in a ladle. A method for manufacturing a separation type porous plug comprises the step of forming a middle wall at an installation place of a twin porous plug that is formed on the bottom of a ladle. Single porous plugs(10,10') are separately installed in an individual space formed at two sides of the middle wall such that the single porous plugs are individually exchanged when one of the single porous plugs is damaged.

Description

분리형 포러스플러그의 축조방법{Manufacturing method of a separated porousplug}Manufacturing method of a separated porous plug

도 1은 종래의 래들바닥에 적용된 포러스플러그의 적용도1 is an application diagram of a forrus plug applied to a conventional ladle bottom

도 2는 종래의 포러스플러그의 지금 세척작업을 도시한 실시도Figure 2 is an embodiment showing the now washing operation of the conventional fork plug

도 3은 종래의 일체형으로 제작된 트윈형 포러스플러그의 손상과정을 나타낸 과정도Figure 3 is a process diagram showing the damage process of the twin-type porous plug made of a conventional one-piece

도 4는 종래의 일체형으로 제작된 트윈형 포러스플러그의 교환방법을 나타낸 실시도Figure 4 is an embodiment showing a method of replacing the twin-type porous plug made of a conventional one-piece

도 5는 본 발명의 분리형 트윈형 포러스플러그의 손상과정을 나타낸 과정도Figure 5 is a process diagram showing the damage process of the detachable twin-type porous plug of the present invention

도 6은 본 발명의 분리형 트윈형 포러스플러그의 교환방법을 나타낸 실시도6 is an embodiment showing a method of replacing the detachable twin-type porous plug of the present invention.

<도면의 주요부분에 대한 부호의 설명><Description of the symbols for the main parts of the drawings>

A : 래들 10 : 싱글형 포러스플러그 20 : 트윈형 포러스플러그A: Ladle 10: Single type plug plug 20: Twin type plug plug

본 발명은 분리형 포러스플러그의 축조방법에 관한 것으로서, 보다 상세하게는 두개의 포러스플러그 중 한개의 포러스플러그가 손상되어도 포러스플러그 전체를 교환할 필요없이 손상된 하나의 포러스플러그만 개별 교체함으로써, 포러스플러그의 사용갯수 감소로 인한 원가절감을 방지할 뿐만아니라 포러스플러그의 교환주기를 연장시키기 위한 것이다.The present invention relates to a method for constructing a detachable porous plug, and more particularly, even if one of the two plugs is damaged, only the damaged one of the damaged plugs is replaced by the replacement of the damaged one. It is not only to prevent cost savings due to the reduced number of uses, but also to prolong the replacement cycle of the pole plug.

일반적으로 취련공정을 거친 용강은 주조 래들(A)에서 용강의 불순물 제거 및 온도조절 등을 위한 버블링 작업을 실시하여 다음 공정으로 보내지게 되는데, 이 버블링 작업은 도 1에 도시된 바와 같이 래들(A)바닥의 포러스플러그(20)를 통하여 볼활성 가스인 아르곤 가스를 취입시켜 수행하게 되며, 통상의 조업에서 포러스플러그는 20회 정도 사용 시점부터 지금이 흡착되고 이때 작업자는 도 2에 도시된 바와 같이 산소를 이용하여 이를 제거 시키는 작업을 실시하게 된다. 종래에 적용된 래들(A)바닥에는 일체형의 트윈형 포러스플러그(20)가 설치되어 있으며, 설치 되어있는 두개의 포러스 플러그중 한개의 포러스 플러그가 손상되어도 전체를 교환해야하기 때문에 포러스 플러그의 교환주기가 단축될 뿐만아니라 포러스플러그의 사용갯수가 증가함에 따라 원가가 상승하는 등의 문제점이 있었다.In general, the molten steel that has undergone the blowing process is sent to the next process by performing a bubbling operation for removing impurities and temperature control of the molten steel in the casting ladle (A), this bubbling operation is ladle as shown in FIG. (A) The argon gas, which is a ball active gas, is blown through the bottom of the porous plug 20, and in a typical operation, the porous plug is adsorbed from about 20 times of use, and the worker is shown in FIG. As described above, the operation of removing the oxygen is performed. In the conventionally applied ladle (A) bottom, an integral twin-type fork plug 20 is installed, and the replacement cycle of the fork plug is repeated because the entire plug must be replaced even if one of the two fork plugs is damaged. Not only was it shortened, there was a problem that the cost increased as the number of use of the forrus plug increased.

본 발명은 상술한 문제점을 해결하기 위한 것으로서, 특히, 두개의 포러스플러그 중 한개의 포러스플러그가 손상되어도 포러스플러그 전체를 교환할 필요없이 손상된 하나의 포러스플러그만 개별 교체함으로써, 포러스플러그의 사용갯수 감소로 인한 원가절감을 방지할 뿐만아니라 포러스플러그의 교환주기를 연장시킬 수 있는 분리형 포러스플러그의 축조방법을 제공함에 목적이 있다.The present invention has been made to solve the above-mentioned problems, and in particular, even if one of the two plugs is damaged, the number of used plugs is reduced by individually replacing only one damaged plug without having to replace the entire plug. It is an object of the present invention to provide a method of constructing a detachable porous plug which can prevent the cost reduction due to the expansion and extend the replacement cycle of the porous plug.

상술한 목적을 달성하기 위한 본 발명의 특징은, 종래의 일체형으로 제작된 트윈형 포러스플러그(Twin porousplug)의 설치 위치에 중앙벽을 형성하고 상기 중앙벽을 기준으로 그 양측에 싱글형 포러스플러그가 체결될 수 있는 개별공간을 형성한 후, 형성된 각각의 개별공간에 싱글형 포러스플러그(Single porousplug)를 개별 설치하는 것을 특징으로 하는 분리형 포러스플러그의 축조방법이다.A feature of the present invention for achieving the above object is to form a central wall at the installation position of a conventional twin porous plug (uniformally manufactured twin porous plug) and a single type of porous plug on both sides of the central wall After forming the individual space that can be fastened, it is a method of constructing a separate porous plug, characterized in that to install a single porous plug (Single porous plug) separately in each of the formed individual space.

상기 본 발명의 특징에 의한 분리형 포러스플러그는, 두개의 포러스플러그 중 한개의 포러스플러그가 손상되어도 손상된 하나의 포러스플러그만 개별 교환이 가능하게 구성할 수 있을 것이다.The detachable porous plug according to the above-described aspect of the present invention may be configured such that only one damaged porous plug can be individually replaced even if one of the two porous plugs is damaged.

상기 본 발명의 목적과 특징 및 장점은 첨부도면 및 다음의 상세한 설명을 참조함으로서 더욱 쉽게 이해될 수 있을 것이다.The objects, features and advantages of the present invention will be more readily understood by reference to the accompanying drawings and the following detailed description.

이하, 첨부된 도면을 참조하여 본 발명의 바람직한 실시예의 구성 및 그 작용 효과에 대해 상세히 설명하면 다음과 같다.Hereinafter, with reference to the accompanying drawings will be described in detail the configuration and effect of the preferred embodiment of the present invention.

도 3은 종래의 일체형으로 제작된 트윈형 포러스플러그의 손상과정을 나타낸 과정도이고, 도 4는 종래의 일체형으로 제작된 트윈형 포러스플러그의 교환방법을 나타낸 실시도로서, 일체형으로 제작된 트윈형 포러스플러그(20)의 한쪽 포러스플러그가 손상된 상태와 이로인해 일체형으로 제작된 트윈형 포러스플러그(20) 전체를 교환하는 과정 및 방법을 나타내고 있다. 즉, 종래의 일체형으로 제작된 트윈형 포러스플러그(20)는 두개의 포러스플러그가 일체형으로 제작되어 래들(A) 바닥에 설치되어 있기 때문에 하나의 포러스플러그만 손상되어도 나머지 사용가능한 포러스플러그도 같이 교환해야 되며, 이로인해 포러스플러그의 낭비뿐만아니라 교체주기도 짧아져 원가 상승 및 생산량 감소 등의 문제점이 발생하게 된다. Figure 3 is a process diagram showing the damage process of the conventional twin-type porous plug made of a one-piece, Figure 4 is an embodiment showing a method of replacing the conventional twin-shaped porous plug made of a one-piece, twin-type manufactured The state and method of exchanging the whole twin-type plug-in plug 20, which is integrally manufactured due to the damaged state of one plug-in plug of the plug plug 20 is shown. In other words, the twin-type porous plug 20 made of a conventional monolithic plug is mounted on the bottom of the ladle (A) because two porous plugs are manufactured integrally, so that the remaining usable plug can be replaced even if only one plug is damaged. As a result, not only the waste of the forus plug but also the replacement cycle is shortened, resulting in problems such as cost increase and production decrease.

도 5는 본 발명의 분리형 트윈형 포러스플러그의 손상과정을 나타낸 과정도이고, 도 6은 본 발명의 분리형 트윈형 포러스플러그의 교환방법을 나타낸 실시도로서, 분리형으로 제작된 싱글형 포러스플러그(10)(10')의 한쪽 포러스플러그가 손상된 상태와 이로인해 손상된 하나의 포러스플러그(10)만을 교환하는 과정 및 방법을 나타내고 있다. 즉, 본 발명의 포러스플러그(10)(10')는 싱글형 포러스플러그(10)(10')를 래들(A)바닥의 트윈형 포러스플러그(20)의 설치위치에 중앙벽을 형성하고 상기 중앙벽을 기준으로 싱글형 포러스플러그(10)(10')가 체결될 수 있는 개별공간을 형성한 후, 형성된 각각의 개별공간에 싱글형 포러스플러구(10)(10')가 개별적으로 설치되어 있기 때문에 하나의 포러스플러그(10)만 손상되었을 경우, 손상된 하나의 포러스플러그만(10)을 교체하고 나머지 사용가능한 포러스플러그(10')는 그대로 계속 사용할 수 있게 됨으로써, 포러스플러그의 낭비를 방지하고 교체주기를 단축시켜 원가 감소 및 생산량 증가 등의 장점을 가질 수 있게 된다. Figure 5 is a process diagram showing the damage process of the detachable twin-type porous plug of the present invention, Figure 6 is an embodiment showing the replacement method of the detachable twin-type porous plug of the present invention, single-type porous plug (10) A state in which one of the pole plugs of the blade 10 'is damaged and thus only one of the damaged pole plugs 10 is replaced. That is, the porous plugs 10 and 10 'of the present invention form the central wall at the installation position of the twin type porous plug 20 in the bottom of the ladle A. After forming the individual space to which the single-type porous plugs 10 and 10 'can be fastened based on the center wall, the single-type porous plugs 10 and 10' are individually installed in each individual space formed. If only one porous plug 10 is damaged, only one damaged porous plug 10 can be replaced and the remaining usable porous plug 10 'can be used as it is, thereby preventing waste of the porous plug. And shorten the replacement cycle can have advantages such as cost reduction and production increase.

상기 포러스플러그(10)(10')는, 싱글형으로 제작된 것으로서 두개의 포러스플러그(10)(10')중 한개의 포러스플러그(10)가 손상되어도 손상된 하나의 포러스플러그(10)만 개별 교환이 가능하게 구성할 수 있을 것이다.The porous plugs 10 and 10 'are made of a single type, and only one of the damaged plugs 10 is damaged even if one of the two plugs 10 or 10' is damaged. It may be possible to configure the exchange.

이외에도 본 발명인 분리형 포러스플러그의 축조방법은 다양하게 변형실시될 수 있는 것으로, 본 발명의 목적범위를 일탈하지 않는 한, 변형되는 실시예들은 모 두 본 발명의 권리범위에 포함되어 해석되어야 한다.In addition to the present invention, the construction method of the detachable forus plug can be variously modified, and the embodiments to be modified should be interpreted as being included in the scope of the present invention, all without departing from the scope of the present invention.

이상의 본 발명에 의하면, 두개의 포러스플러그 중 한개의 포러스플러그가 손상되어도 포러스플러그 전체를 교환할 필요없이 손상된 하나의 포러스플러그만 개별 교체함으로써, 포러스플러그의 사용갯수 감소로 인한 원가절감을 방지할 뿐만아니라 포러스플러그의 교환주기를 연장시킬 수 있게 되는 등의 이점을 얻을 수 있게 된다.According to the present invention, even if one of the two plugs is damaged, by replacing only one of the damaged plugs without having to replace the entire plug, it is possible to prevent cost savings due to the reduction in the number of use of the plugs In addition, it is possible to obtain an advantage such that the exchange period of the forrus plug can be extended.

Claims (2)

래들바닥에 포러스플러그를 축조하는 방법에 있어서,In the method of building a porous plug on the bottom of the ladle, 래들바닥에 형성되는 트윈형 포러스플러그의 설치 위치에 중앙벽을 형성하고, 상기 중앙벽을 기준으로 구획되는 양측의 각 개별공간에 싱글형 포러스플러그를 각각 결착시키되, 상기 각 싱글형 포러스플러그가 개별 교환가능하게 설치되는 것을 특징으로 하는 분리형 포러스플러그의 축조방법.The center wall is formed at the installation position of the twin-type porous plug formed on the bottom of the ladle, and the single-type porous plug is individually attached to each individual space on both sides partitioned with respect to the central wall, wherein each single-type porous plug is individually Method for constructing a detachable forus plug, characterized in that the replaceable installation. 삭제delete
KR1020060068934A 2006-07-24 2006-07-24 Manufacturing method of a separated porousplug KR100774846B1 (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH108126A (en) 1996-06-17 1998-01-13 Kawasaki Steel Corp Vessel for ladle refining
KR20000006409U (en) * 1998-09-15 2000-04-15 이구택 Residual Prediction Apparatus for Forus Flock for Ladle
JP2002047512A (en) 2000-07-28 2002-02-15 Kurosaki Harima Corp Structure for built-in porous plugs in molten steel ladle

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH108126A (en) 1996-06-17 1998-01-13 Kawasaki Steel Corp Vessel for ladle refining
KR20000006409U (en) * 1998-09-15 2000-04-15 이구택 Residual Prediction Apparatus for Forus Flock for Ladle
JP2002047512A (en) 2000-07-28 2002-02-15 Kurosaki Harima Corp Structure for built-in porous plugs in molten steel ladle

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