KR20130056421A - Stopper rod cooling device for preventing reoxidation - Google Patents

Stopper rod cooling device for preventing reoxidation Download PDF

Info

Publication number
KR20130056421A
KR20130056421A KR1020110122025A KR20110122025A KR20130056421A KR 20130056421 A KR20130056421 A KR 20130056421A KR 1020110122025 A KR1020110122025 A KR 1020110122025A KR 20110122025 A KR20110122025 A KR 20110122025A KR 20130056421 A KR20130056421 A KR 20130056421A
Authority
KR
South Korea
Prior art keywords
stopper rod
cooling
stopper
cooling jacket
air
Prior art date
Application number
KR1020110122025A
Other languages
Korean (ko)
Other versions
KR101329710B1 (en
Inventor
김종민
Original Assignee
주식회사 포스코
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 주식회사 포스코 filed Critical 주식회사 포스코
Priority to KR1020110122025A priority Critical patent/KR101329710B1/en
Publication of KR20130056421A publication Critical patent/KR20130056421A/en
Application granted granted Critical
Publication of KR101329710B1 publication Critical patent/KR101329710B1/en

Links

Images

Classifications

    • 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
    • B22D41/16—Closures stopper-rod type, i.e. a stopper-rod being positioned downwardly through the vessel and the metal therein, for selective registry with the pouring opening
    • B22D41/18—Stopper-rods therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D37/00—Controlling or regulating the pouring of molten metal from a casting melt-holding vessel
    • 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
    • B22D41/44—Consumable closure means, i.e. closure means being used only once
    • B22D41/46—Refractory plugging masses
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D46/00—Controlling, supervising, not restricted to casting covered by a single main group, e.g. for safety reasons
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/14—Mounting supporting structure in casing or on frame or rack
    • H05K7/1462—Mounting supporting structure in casing or on frame or rack for programmable logic controllers [PLC] for automation or industrial process control

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Casting Support Devices, Ladles, And Melt Control Thereby (AREA)

Abstract

PURPOSE: A stopper rod cooling device for preventing reoxidation is provided to extend a usage lift of the stopper rod by completely blocking inflow of cooling air into a turndish while effectively cooling a washer connection unit to which the stopper rod is fixed. CONSTITUTION: A stopper rod cooling device for preventing reoxidation comprises a closed cooling jacket(700), a stopper rod(500), and an air supply pipe. The closed cooling jacket is included in the upper part of a washer(400) in order to be integrated with the washer fixed in the upper part of a stopper(300) which controls leakage of accommodated molten steel in a turndish(100). A plurality of air discharge holes is formed on one side of the upper surface of the closed cooling jacket. The stopper rod vertically penetrates the center of the cooling jacket and is connected to the washer while lifting the stopper. The air supply pipe is connected to the one upper surface of the cooling jacket and supplies cooling air.

Description

재산화 방지용 스토퍼로드 냉각장치{STOPPER ROD COOLING DEVICE FOR PREVENTING REOXIDATION}Stopper rod chiller for preventing reoxidation {STOPPER ROD COOLING DEVICE FOR PREVENTING REOXIDATION}

본 발명은 재산화 방지용 스토퍼로드 냉각장치에 관한 것으로, 보다 상세하게는 연속주조 공정에서 턴디쉬내 용강 토출량을 조절하는 스토퍼 파지용 스토퍼로드를 적절히 냉각하여 용융에 의한 탈락을 막고, 동시에 냉각시 유발될 수 있는 공기 유입에 따른 용강 재산화도 방지할 수 있도록 개선된 스토퍼로드 냉각장치에 관한 것이다.
The present invention relates to an apparatus for preventing reoxidation of a stopper rod, and more particularly, a stopper gripping stopper rod for controlling molten steel discharge amount in a tundish in a continuous casting process to properly cool down to prevent dropping due to melting, and at the same time causing a cooling The present invention relates to an improved stopper rod cooling apparatus to prevent molten steel reoxidation due to possible air inflow.

일반적으로, 스토퍼 주조 방식에 있어 주조작업은 턴디쉬 탕 내의 침지노즐 주입구를 내화물인 스토퍼(Stopper)로 밀폐하고 있다가 일정량의 용강이 주입되어 개재물의 부상 분리가 이루어지면 스토퍼를 상승시켜 침지노즐 주입구에 공간을 형성함으로써 몰드로 용강이 주입되게 하여 연속적으로 주조작업이 이루어지도록 진행된다.In general, in the stopper casting method, the casting operation is to seal the immersion nozzle inlet in the tundish bath with a stopper, which is a refractory material. By forming a space in the molten steel is injected into the mold to proceed to the casting operation continuously.

이러한 주조작업에 따른 용강 토출량은 주조속도 및 주조폭, 기타 강종의 특성에 따라 상이하게 제어되며, 통상 스토퍼 제어실린더와 피엘시(PLC)가 유기적으로 연결되어 스토퍼의 승하강을 조절하여 침지노즐 주입구의 개도를 자동으로 조절하게 된다.The discharge amount of molten steel according to the casting operation is controlled differently according to the casting speed, casting width, and other characteristics of the steel type.In general, the stopper control cylinder and the PLC are organically connected to control the lifting and lowering of the stopper to inject the immersion nozzle. The opening degree of is adjusted automatically.

이와 같은 주조작업시 턴디쉬에 수강된 용강이 산소와 접촉하여 산화되는 것을 막기 위해 도 1의 예시와 같이, 산화방지제(20), 이를 테면 세라크울과 같은 물질로 턴디쉬(10)의 상부에 마련된 홀(12), 즉 스토퍼(30)의 승하강을 제어하기 위해 마련해 놓은 홀(12) 주변을 밀폐하고 있다.In order to prevent the molten steel received in the tundish during the casting operation to be oxidized in contact with the oxygen, as shown in Figure 1, the upper portion of the tundish 10 with an antioxidant 20, such as cerac wool, such as The periphery of the hole 12 provided in the hole 12, namely, around the hole 12 provided for controlling the raising and lowering of the stopper 30, is sealed.

그리고, 내화물인 스토퍼(30)를 승하강시키기 위해 스토퍼 제어실린더(미도시)의 동력을 전달하는 작동플레이트(40)가 구비되고, 작동플레이트(40)의 단부에는 수직하게 고정된 스토퍼로드(42)가 마련되며, 스토퍼로드(42)의 하단은 와셔(44)를 통해 스토퍼(30) 상단과 체결된다.In addition, an operation plate 40 for transmitting power of a stopper control cylinder (not shown) is provided to raise and lower the stopper 30, which is a refractory, and a stopper rod 42 fixed vertically to an end of the operation plate 40. ) Is provided, and the lower end of the stopper rod 42 is fastened to the upper end of the stopper 30 through the washer 44.

그런데, 턴디쉬(10)에 담긴 용강의 온도가 매우 높기 때문에 장시간 사용시 와셔(44)와 연결된 부분의 스토퍼로드(42)가 열화되면서 녹아내려 끊어지거나 휘어지는 등의 문제가 발생되었다.However, since the temperature of the molten steel contained in the tundish 10 is very high, the stopper rod 42 of the portion connected to the washer 44 deteriorates when it is used for a long time, such as melting, breaking, or bending.

이를 개선하기 위해, 작동플레이트(40)를 관통하는 스토퍼로드(42)의 일부, 더 정확하게는 스토퍼로드(42)를 감싸는 형태로 구비되고 작동플레이트(40)의 저면에 고정되는 냉각쟈켓(50)을 만들고, 이 냉각쟈켓(50)에는 에어공급관(52)을 연결하며, 냉각쟈켓(50)의 하단면에는 동심원상으로 다수의 미세구멍을 천공하여 에어공급관(52)을 통해 냉각쟈켓(50)으로 공급된 냉각공기를 스토퍼(30) 상단인 와셔(44)와 스토퍼로드(42)가 연결된 부분으로 분사하여 이를 냉각시켰다.In order to improve this, a cooling jacket 50 which is provided in a form surrounding the stopper rod 42 penetrating the operation plate 40, more precisely, the stopper rod 42, and fixed to the bottom of the operation plate 40 is provided. The cooling jacket 50 is connected to the air supply pipe 52, and the lower surface of the cooling jacket 50 makes a plurality of concentric holes in the concentric circles to cool the cooling jacket 50 through the air supply pipe 52. Cooling air supplied to the injection was sprayed to the part where the washer 44 and the stopper rod 42 connected to the top of the stopper 30 to cool it.

이에 따라, 냉각성능이 향상됨으로 인해 상술한 스토퍼로드(42)의 탈락 현상을 방지할 수 있었다.As a result, the dropping phenomenon of the stopper rod 42 described above was prevented due to the improved cooling performance.

하지만, 강제 분사되는 냉각공기는 상부에서 하부로 분사되는 방식이기 때문에 외부공기의 침입을 막기 위해 방벽을 구축해 둔 세라크울과 같은 산화방지제(20)가 분사되는 냉각공기에 의해 밀리거나 방벽이 파괴되면서 틈새를 만들게 되므로 오히려 외부공기의 침투나 혼입을 더 가속화시키게 되어 재재물 부상이 완료된 턴디쉬(10) 내 용강을 재산화시켜 품질불량을 야기하는 더 심각한 문제를 파생시켰다.
However, since forced cooling air is injected from the top to the bottom, it is pushed or destroyed by the cooling air injected with an antioxidant 20 such as cerac wool, which has a barrier to prevent intrusion of external air. As a result, a gap is created, which further accelerates the penetration or mixing of external air, resulting in a more serious problem that causes the quality of the molten steel in the tundish (10) in which the property injury is completed.

본 발명은 상술한 바와 같은 종래 기술상의 제반 문제점을 감안하여 이를 해결하고자 창출된 것으로, 외부공기가 턴디쉬 내 용강으로 혼입되는 것을 효과있게 차단하면서 스토퍼로드를 적절히 냉각시킬 수 있도록 하여 스토퍼로드의 사용수명을 연장하고, 턴디쉬 내 무산화 주조를 가능하도록 한 재산화 방지용 스토퍼로드 냉각장치를 제공함에 그 주된 목적이 있다.
The present invention was made in view of the above-mentioned problems in the prior art, and was created to solve this problem. The use of the stopper rod was made to properly cool the stopper rod while effectively blocking external air from being mixed into the molten steel in the tundish. Its main purpose is to provide an anti-oxidation stopper rod chiller which extends the service life and enables oxidation-free casting in tundish.

본 발명은 상기한 목적을 달성하기 위한 수단으로, 턴디쉬에 수강된 용강의 유출을 조절하는 스토퍼의 상단에 고정된 와셔와 일체를 이루도록 와셔의 상부에 구비되고, 상면 일측에는 다수의 공기배출공이 형성된 밀폐형 냉각쟈켓; 냉각쟈켓의 중앙을 상하로 관통하여 설치되고, 와셔에 체결되며, 스토퍼를 승하강시키는 스토퍼로드; 냉각쟈켓의 상면 일측에 연결 배관되어 냉각공기를 공급하는 공기공급관;을 포함하여 구성되는 것을 특징으로 하는 재산화 방지용 스토퍼로드 냉각장치를 제공한다.The present invention is a means for achieving the above object, is provided on the top of the washer to be integral with the washer fixed to the top of the stopper for adjusting the outflow of the molten steel received in the tundish, a plurality of air discharge holes on one side of the upper surface Formed hermetic cooling jacket; A stopper rod installed vertically through the center of the cooling jacket, fastened to the washer, and lowering the stopper; It is connected to one side of the upper surface of the cooling jacket air supply pipe for supplying cooling air; provides a stopper rod cooling device for preventing reoxidation, characterized in that it comprises a.

이때, 상기 냉각쟈켓은 상하면이 밀폐된 원통형상인 것에도 그 특징이 있다.At this time, the cooling jacket is also characterized in that the upper and lower surfaces are sealed cylindrical.

또한, 상기 냉각쟈켓의 내부에는 냉각공기의 유로를 연장하도록 상면과 하면에서 각각 엇갈리게 일정높이 돌출된 다수의 격벽을 더 포함하는 것에도 그 특징이 있다.In addition, the cooling jacket is characterized in that it further comprises a plurality of partitions protruding a predetermined height alternately from the upper and lower surfaces to extend the flow path of the cooling air, respectively.

뿐만 아니라, 상기 공기배출공과 상기 공기공급관은 서로 반대쪽에 위치하도록 배치된 것에도 그 특징이 있다.
In addition, the air discharge hole and the air supply pipe is characterized in that it is disposed to be opposite to each other.

본 발명에 따르면, 스토퍼로드가 고정되는 와셔 접속부를 효과있게 냉각하면서 냉각공기가 턴디쉬 내부로 혼입되는 것을 완벽하게 차단할 수 있어 스토퍼로드의 사용수명을 연장하고, 주조 품질은 향상시키는 효과를 얻을 수 있다.
According to the present invention, while effectively cooling the washer connection to which the stopper rod is fixed, the cooling air can be completely blocked from entering the tundish, thereby extending the service life of the stopper rod and improving the casting quality. have.

도 1은 종래 기술에 따른 스토퍼로드의 냉각예를 보인 예시적인 단면도이다.
도 2는 본 발명에 따른 스토퍼로드의 냉각장치를 보인 예시적인 단면도이다.
도 3은 본 발명에 따른 스토퍼로드 냉각장치를 구성하는 냉각쟈켓의 예시적인 사시도이다.1 is an exemplary cross-sectional view showing an example of cooling the stopper rod according to the prior art.
2 is an exemplary cross-sectional view showing a cooling device of the stopper rod according to the present invention.
3 is an exemplary perspective view of a cooling jacket constituting the stopper rod cooling apparatus according to the present invention.

이하에서는, 첨부도면을 참고하여 본 발명에 따른 바람직한 실시예를 보다 상세하게 설명하기로 한다.Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도 2에 도시된 바와 같이, 본 발명에 따른 스토퍼로드 냉각장치는 턴디쉬(100)에 수강된 용강(200)을 몰드(Mold)로 주입할 때 그 주입구의 개도를 조절하는 스토퍼(300)의 상단에 접속되는 스토퍼로드(500)를 냉각하기 위해 사용되는 장치이다.As shown in FIG. 2, the stopper rod cooling apparatus according to the present invention includes a stopper 300 for adjusting the opening degree of the injection hole when the molten steel 200 received in the tundish 100 is injected into a mold. It is a device used to cool the stopper rod 500 connected to the top.

이때, 스토퍼(300)는 종래 기술에서 언급한 바와 같이, 그 상단이 와셔(400)의 개재하에 스토퍼로드(500)와 결속되고, 상기 스토퍼로드(500)는 작동플레이트(600)에 결속되며, 상기 작동플레이트(600)는 스토퍼 제어실린더(미도시)에 의해 승하강될 수 있도록 구성된다.At this time, the stopper 300, as mentioned in the prior art, the upper end is bound with the stopper rod 500 under the washer 400, the stopper rod 500 is bound to the operation plate 600, The operation plate 600 is configured to be moved up and down by a stopper control cylinder (not shown).

따라서, 상기 스토퍼(300)는 스토퍼 제어실린더의 동작에 따라 승하강되면서 주입구의 개폐 정도, 즉 개도를 조절함으로써 턴디쉬(100) 내부에 수강된 용강(200)을 침지노즐(미도시)을 통해 몰드로 배출할 수 있게 된다.Therefore, the stopper 300 moves up and down in accordance with the operation of the stopper control cylinder, and adjusts the opening and closing degree, that is, the opening degree of the injection hole through the immersion nozzle (not shown). It can be discharged into the mold.

이와 같이, 본 발명에서도 스토퍼(300), 와셔(400), 스토퍼로드(500)의 연결관계는 기존과 다를 바 없다.As such, in the present invention, the connection relationship between the stopper 300, the washer 400, and the stopper rod 500 is not different from the conventional one.

다만, 본 발명에서는 내화물인 스토퍼(300)를 철강 소재인 스토퍼로드(500)와 연결시키는 와셔(400) 주변에서의 스토퍼로드(500) 열화를 방지하기 위해 와셔(400) 상면에 면접 밀착되게 설치되는 동일 크기의 냉각쟈켓(700)을 더 구비한 것을 특징으로 한다.However, in the present invention, in order to prevent deterioration of the stopper rod 500 around the washer 400 connecting the stopper 300, which is a refractory material, to the stopper rod 500, which is a refractory material, is installed in close contact with the upper surface of the washer 400. It characterized in that it further comprises a cooling jacket 700 of the same size.

상기 냉각쟈켓(700)은 스토퍼로드(500)를 완전히 감싸는 형태를 취하도록 하여 스토퍼로드(500)가 접속되는 와셔(400) 접속부 부분이 냉각쟈켓(700)에 의해 완전히 둘러 싸이도록 구성된다. The cooling jacket 700 is configured to completely surround the stopper rod 500 so that the washer 400 connecting portion to which the stopper rod 500 is connected is completely surrounded by the cooling jacket 700.

이를 위해, 상기 냉각쟈켓(700)은 도 3의 (a)에 예시된 바와 같이, 내부가 빈 원통형상으로 형성되고, 상단면과 하단면이 밀폐된 하나의 관상체로서, 상단면 중앙과 하단면 중앙은 상기 스토퍼로드(500)가 관통할 수 있도록 관통공(710)이 형성된다.To this end, the cooling jacket 700 is formed as a hollow cylindrical shape, as illustrated in (a) of Figure 3, the upper surface and the lower surface as a single tubular body, the upper and lower center and bottom The through hole 710 is formed in the center of the surface so that the stopper rod 500 can pass therethrough.

이때, 상기 스토퍼로드(500) 설치시 상기 관통공(710)을 관통한 스토퍼로드(500) 주변이 완전하게 씰링되도록 하여 냉각쟈켓(700) 내부의 냉각공기가 쉽게 누설되지 않도록 구성하는 것이 특히 바람직하다.In this case, it is particularly preferable to configure the stopper rod 500 so that the surroundings of the stopper rod 500 penetrating the through hole 710 are completely sealed so that cooling air inside the cooling jacket 700 is not easily leaked. Do.

그리고, 상기 냉각쟈켓(700)의 상면 일측에는 냉각공기를 공급하는 공기공급관(720)이 연결되고, 상기 공기공급관(720)이 연결된 대향측 냉각쟈켓(700) 상면에는 적어도 하나 이상의 공기배출공(730)이 형성된다.In addition, an air supply pipe 720 for supplying cooling air is connected to one side of an upper surface of the cooling jacket 700, and at least one air discharge hole is provided on an upper surface of an opposite side cooling jacket 700 to which the air supply pipe 720 is connected. 730 is formed.

이 경우, 상기 공기배출공(730)은 반드시 도시된 바와 같이 배열될 필요는 없으며 다양한 형태로 배열될 수 있음은 물론 경우에 따라서는 상기 공기공급관(720)이 접속된 쪽에도 형성될 수 있다.In this case, the air discharge hole 730 is not necessarily arranged as shown, and may be arranged in various forms, of course, may also be formed on the side to which the air supply pipe 720 is connected.

다른 예로, 도 3의 (b)와 같이, 냉각효율을 높이기 위해 냉각공기가 체류하는 시간을 늘릴 수 있도록 상기 냉각쟈켓(700)의 내부에는 반경방향으로 다수의 격벽(740)을 상하로 엇갈리게 교차 형성하여 통과 유로를 길게 할 수도 있다.As another example, as shown in (b) of FIG. 3, the plurality of partition walls 740 are alternately crossed up and down in the radial direction inside the cooling jacket 700 so as to increase the time that the cooling air stays in order to increase the cooling efficiency. It can also form and lengthen a passage flow path.

아울러, 상기 스토퍼(300)의 상단 주변에는 세라크울과 같은 산화방지제(800)가 기존처럼 방벽을 형성하여 홀(12)을 통해 외부공기가 턴디쉬(100) 내부의 용강으로 혼입되지 못하도록 차단한다.In addition, around the upper end of the stopper 300, an antioxidant 800 such as cerakwool forms a barrier as in the past to block outside air from entering the molten steel inside the tundish 100 through the hole 12. do.

따라서, 본 발명에 따라 공기공급관(720)을 통해 공급된 냉각공기는 냉각쟈켓(700) 내부를 순환하면서 그 속에 노출된 스토퍼로드(500)를 냉각하게 된다.Therefore, the cooling air supplied through the air supply pipe 720 according to the present invention circulates inside the cooling jacket 700 to cool the stopper rod 500 exposed therein.

그리고, 냉각과정을 거친 공기는 냉각쟈켓(700)의 상면 일측에 형성된 공개배출공(730)을 통해 홀(12) 상부로 배출된다.In addition, the air that has undergone the cooling process is discharged to the upper portion of the hole 12 through the open discharge hole 730 formed on one side of the upper surface of the cooling jacket 700.

즉, 기존에는 냉각공기가 상부에서 하부로 분사되는 형태였지만, 본 발명에서는 하부에서 상부를 향해 분사되는 형태를 갖게 된다.That is, in the past, the cooling air was sprayed from the top to the bottom, but in the present invention has a form that is injected from the bottom toward the top.

이로 인해, 냉각공기는 산화방지제(800)가 이룬 방벽을 전혀 허물지 않으면서 원활하게 상부로 배출되게 된다.As a result, the cooling air is smoothly discharged to the top without breaking down the barrier formed by the antioxidant 800.

물론, 필요에 따라 효과적인 배출을 위해 공기배출공(730)의 위치, 직경, 경사 등을 특정할 수 있을 것인데, 그것은 작업 환경에 따라 다양한 조절이 가능할 것이다.Of course, it may be possible to specify the position, diameter, inclination, etc. of the air discharge hole 730 for effective discharge as needed, it will be possible to adjust a variety according to the working environment.

덧붙여, 도 3의 (b)와 같이 내부에 다수의 격벽(740)이 더 형성될 경우에는 그 만큼 냉각공기가 흘러가야할 유로가 길어지므로 냉각쟈켓(700) 내부에 머무를 수 있는 체류시간이 길어져 냉각효과를 더 높일 수 있을 것이다.In addition, when a plurality of partitions 740 are further formed therein as shown in FIG. 3 (b), since the flow path for cooling air flows by that much, the residence time for staying inside the cooling jacket 700 is increased. It will be more effective.

이와 같이, 본 발명에 따른 냉각장치는 냉각쟈켓(700)의 위치을 변경하고, 냉각공기의 배출방식을 개량함으로써 산화방지제(800)의 방벽을 흩뜨리지 않으면서 목적한 스토퍼로드(500)의 냉각을 완벽하게 달성할 수 있게 되므로 용강(200)의 품질이 떨어지는 것도 막고, 생산성도 향상시키며, 스토퍼로드(500)의 사용수명도 연장시킬 수 있게 된다.
As described above, the cooling apparatus according to the present invention changes the position of the cooling jacket 700 and improves the discharge method of the cooling air, thereby cooling the target stopper rod 500 without dispersing the barrier of the antioxidant 800. Since it is possible to achieve completely, it is possible to prevent the quality of the molten steel 200 from falling, to improve productivity, and to extend the service life of the stopper rod 500.

100 : 턴디쉬 200 : 용강
300 : 스토퍼 400 : 와셔
500 : 스토퍼로드 600 : 작동플레이트
700 : 냉각쟈켓 800 : 산화방지제100: tundish 200: molten steel
300: stopper 400: washer
500: stopper rod 600: working plate
700: cooling jacket 800: antioxidant

Claims (4)

턴디쉬에 수강된 용강의 유출을 조절하는 스토퍼의 상단에 고정된 와셔와 일체를 이루도록 와셔의 상부에 구비되고, 상면 일측에는 다수의 공기배출공이 형성된 밀폐형 냉각쟈켓;
냉각쟈켓의 중앙을 상하로 관통하여 설치되고, 와셔에 체결되며, 스토퍼를 승하강시키는 스토퍼로드;
냉각쟈켓의 상면 일측에 연결 배관되어 냉각공기를 공급하는 공기공급관;을 포함하여 구성되는 것을 특징으로 하는 재산화 방지용 스토퍼로드 냉각장치.
A closed cooling jacket provided at an upper portion of the washer so as to be integral with a washer fixed to the top of the stopper for adjusting the outflow of the molten steel received at the tundish, and having a plurality of air discharge holes formed at one side of the upper surface;
A stopper rod installed vertically through the center of the cooling jacket, fastened to the washer, and lowering the stopper;
Stopper rod cooling device for refining, characterized in that it comprises a; air supply pipe connected to one side of the upper surface of the cooling jacket for supplying cooling air.
청구항 1에 있어서;
상기 냉각쟈켓은 상하면이 밀폐된 원통형상인 것을 특징으로 하는 재산화 방지용 스토퍼로드 냉각장치.
The method according to claim 1;
The cooling jacket is characterized in that the upper and lower surfaces are closed cylindrical stopper rod cooling device, characterized in that.
청구항 1 또는 청구항 1에 있어서;
상기 냉각쟈켓의 내부에는 냉각공기의 유로를 연장하도록 상면과 하면에서 각각 엇갈리게 일정높이 돌출된 다수의 격벽을 더 포함하는 것을 특징으로 하는 재산화 방지용 스토퍼로드 냉각장치.
The method according to claim 1 or 1;
The inside of the cooling jacket stopper rod cooling device for re-oxidation, characterized in that it further comprises a plurality of partitions protruding a predetermined height alternately from the upper and lower surfaces so as to extend the flow path of the cooling air.
청구항 1에 있어서;
상기 공기배출공과 상기 공기공급관은 서로 반대쪽에 위치하도록 배치된 것을 특징으로 하는 재산화 방지용 스토퍼로드 냉각장치.The method according to claim 1;
The recirculation stopper rod cooling apparatus, characterized in that the air discharge hole and the air supply pipe is disposed to be opposite to each other.
KR1020110122025A 2011-11-22 2011-11-22 Stopper rod cooling device for preventing reoxidation KR101329710B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020110122025A KR101329710B1 (en) 2011-11-22 2011-11-22 Stopper rod cooling device for preventing reoxidation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020110122025A KR101329710B1 (en) 2011-11-22 2011-11-22 Stopper rod cooling device for preventing reoxidation

Publications (2)

Publication Number Publication Date
KR20130056421A true KR20130056421A (en) 2013-05-30
KR101329710B1 KR101329710B1 (en) 2013-11-14

Family

ID=48664441

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020110122025A KR101329710B1 (en) 2011-11-22 2011-11-22 Stopper rod cooling device for preventing reoxidation

Country Status (1)

Country Link
KR (1) KR101329710B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101482071B1 (en) * 2014-09-03 2015-01-14 주식회사 영진이엠티 Stopper rod

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5135564A (en) 1990-12-28 1992-08-04 Rheo-Technology, Ltd. Method and apparatus for the production of semi-solidified metal composition
KR20010056413A (en) * 1999-12-15 2001-07-04 이구택 Device for operating the ladle shroud nozzle of continuous caster

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101482071B1 (en) * 2014-09-03 2015-01-14 주식회사 영진이엠티 Stopper rod

Also Published As

Publication number Publication date
KR101329710B1 (en) 2013-11-14

Similar Documents

Publication Publication Date Title
KR101329710B1 (en) Stopper rod cooling device for preventing reoxidation
KR101253979B1 (en) Stoper unit and Continuous casting apparatus having the same
KR101930749B1 (en) Nozzle and casting method
KR101172900B1 (en) Apparatus for blowing hot air into converter
KR101504977B1 (en) Apparatus for preheating
KR200206776Y1 (en) Die cooling apparatus for a forging press
KR20070047507A (en) Spray type cooling device for converter
KR101569754B1 (en) Vitrification device and drain method of melting matter
KR101942923B1 (en) Apparatus for keeping temperature of submerged nozzle
KR102157597B1 (en) Apparatus for preventing re-oxydation of molten steel
KR101969113B1 (en) Apparatus for treating molten metal
KR100829908B1 (en) Mold Flux Melting Pot
KR101316912B1 (en) Submerged nozzle for continuous casting device
KR101833024B1 (en) Valve device for induction heating furnace
KR200396541Y1 (en) Nozzle stopper with heat interception sleeve
KR101700877B1 (en) Stopper for continuous casting
KR101356071B1 (en) Device for supplying molten alloy
JP5076693B2 (en) Continuous casting tundish and steel continuous casting method
KR101207332B1 (en) Apparatus for melting flux and method for melting flux using the same
CN217922241U (en) Temperature control device for manufacturing die
KR102357083B1 (en) Apparatus for preventing splash of molten metal, and submerged nozzle using the same
KR20130133535A (en) Continuous casting apparatus and method
KR101569756B1 (en) Vitrification device having metallic sector
KR101977359B1 (en) Casting Apparatus
KR20140083516A (en) Gas injector and apparatus for treating of melting having thereof gas injector

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20161107

Year of fee payment: 4

FPAY Annual fee payment

Payment date: 20171107

Year of fee payment: 5

FPAY Annual fee payment

Payment date: 20180918

Year of fee payment: 6

FPAY Annual fee payment

Payment date: 20191024

Year of fee payment: 7