JPH07100602A - Method for sealing dummy bar in continuous casting mold and dummy bar head - Google Patents

Method for sealing dummy bar in continuous casting mold and dummy bar head

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Publication number
JPH07100602A
JPH07100602A JP25040193A JP25040193A JPH07100602A JP H07100602 A JPH07100602 A JP H07100602A JP 25040193 A JP25040193 A JP 25040193A JP 25040193 A JP25040193 A JP 25040193A JP H07100602 A JPH07100602 A JP H07100602A
Authority
JP
Japan
Prior art keywords
dummy bar
bar head
sealing
sealing material
mold
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
JP25040193A
Other languages
Japanese (ja)
Inventor
Mitsuhide Maeda
光秀 前田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Steel Corp
Original Assignee
Sumitomo Metal Industries Ltd
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 Sumitomo Metal Industries Ltd filed Critical Sumitomo Metal Industries Ltd
Priority to JP25040193A priority Critical patent/JPH07100602A/en
Publication of JPH07100602A publication Critical patent/JPH07100602A/en
Pending legal-status Critical Current

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Abstract

PURPOSE:To easily execute the sealing work of a dummy bar head in continuous casting in a short time without any human hand, uniformly arrange the sealing material over the whole sides of the dummy bar head and eliminate the defec tive sealing. CONSTITUTION:As the sealing material, the jellylike sealing material 2 mixing methylalcohol, etc., in a refractory of SiO2, Al2O3, etc., is used. This jellylike sealing material 2 is supplied from the upper part of the dummy bar head 1 positioned in a mold M through a hose 8 and filled into a gap between the mold M and the dummy bar 1 from many spouting holes 7 formed at each side surface in the upper part of the dummy bar head through supplying passages 5, 6 in the dummy bar head. The jellylike sealing material 2 is uniformly arranged over the whole periphery of the dummy bar head 1 and solidified by the residual heat of the mold and the perfect sealing is executed in the short time.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】この発明は、連続鋳造開始時に連
続鋳造鋳型とダミーバーヘッドとの隙間をシールするダ
ミーバーシール方法およびこの方法に使用するダミーバ
ーヘッドに関するものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dummy bar sealing method for sealing a gap between a continuous casting mold and a dummy bar head at the start of continuous casting, and a dummy bar head used in this method.

【0002】[0002]

【従来の技術】連続鋳造の開始に際しては、一般に無底
の鋳型の下部にダミーバーのヘッドを装入して仮の底を
形成し、このような鋳型内に浸漬ノズルから溶鋼を鋳込
み、鋳込んだ溶鋼に所定厚さの凝固シェルが形成されて
ブレークアウトの恐れがなくなると、ダミーバーを徐々
に引き抜き、その後は鋳込速度を上げて定常鋳込状態に
移行させている。
2. Description of the Related Art At the start of continuous casting, a dummy bar head is generally inserted in the lower portion of a bottomless mold to form a temporary bottom, and molten steel is cast into the mold from a dipping nozzle. When a solidified shell having a predetermined thickness is formed in the molten steel and the risk of breakout disappears, the dummy bar is gradually pulled out, and then the casting speed is increased to shift to the steady casting state.

【0003】このようなダミーバーは、その上部に位置
するダミーバーヘッドを連続鋳造鋳型内に上方装入方式
あるいは下方装入方式で装入しているが、鋳型とダミー
バーヘッドとの間には隙間があるため、この隙間をシー
ル材でシールして漏鋼等を防止することが必要となる。
なお、上方装入方式は、前回鋳込の鋳片後端が鋳型を抜
けると、直ちに鋳型の上方からダミーバーを挿入できる
ので、高能率生産を行える。
In such a dummy bar, a dummy bar head located above the dummy bar head is loaded into a continuous casting mold by an upper charging method or a lower charging method, but there is a gap between the mold and the dummy bar head. Therefore, it is necessary to seal this gap with a sealing material to prevent steel leakage and the like.
In the upper charging method, since the dummy bar can be inserted from above the mold immediately after the rear end of the cast slab that has been cast last time has passed through the mold, high efficiency production can be performed.

【0004】このダミーバーのシール方法やシール材に
関しては、従来から種々提案されており、例えば図4に
示すように、断面くさび形で上端部が金属繊維と金属粉
の混入部a,下部が鉱物繊維等耐熱性部材bからなるシ
ール材Sを鋳型Mとダミーバーヘッド1との隙間に押し
込む方法(実願平2−1543号公報)、あるいは上方
に向かって外開き形状のシール材をダミーバーヘッドの
上部側面に押し金とボルトで取り付け、このダミーバー
ヘッドを鋳型内に上方から装入する方法(実願平4−6
347号公報)などがある。
Various methods for sealing the dummy bar and sealing materials have been proposed in the past. For example, as shown in FIG. 4, a wedge-shaped cross section has an upper end portion containing a mixture of metal fibers and metal powders, and a lower portion is a mineral. A method of pressing a sealing material S made of a heat-resistant member b such as fibers into the gap between the mold M and the dummy bar head 1 (Japanese Patent Application No. 2-1543), or a sealing material having an outwardly open shape facing upward is used for the dummy bar head. A method of attaching the dummy bar head to the upper side surface with a pusher and a bolt, and inserting the dummy bar head into the mold from above (actual application 4-6).
347).

【0005】[0005]

【発明が解決しようとする課題】しかしながら、従来の
断面くさび形のシール材を使用する方法では、シール材
をダミーバーヘッドの各辺に合わせて区切って隙間に挿
入配設し、また気密性を増すためにシール材を押し込む
作業を行うため、シール作業に手間がかかり、鋳込準備
時間が長くなる問題がある。ダミーバーヘッドの形状が
複雑となり、辺の数が多くなるほど、この問題が顕著と
なり、生産性の向上に対して障害となってくる。また、
鋳型横断面積が大きくなり、シール長さが長くなると、
シール不良の頻度が高くなる恐れもある。
However, in the conventional method of using a seal material having a wedge-shaped cross section, the seal material is divided and inserted according to each side of the dummy bar head, and the airtightness is increased. Therefore, since the work of pushing the seal material is performed, there is a problem that the sealing work is troublesome and the casting preparation time becomes long. As the shape of the dummy bar head becomes more complicated and the number of sides increases, this problem becomes more noticeable and becomes an obstacle to improvement in productivity. Also,
As the cross-sectional area of the mold increases and the seal length increases,
There is also a possibility that the frequency of defective sealing will increase.

【0006】また、従来の外開き形状のシール材では、
シール材形状および取付け構造が複雑となり、またリン
グ状で外開き形状のシール材のため、ダミーバーヘッド
の装入作業が面倒となるなどの問題がある。
Further, in the conventional outwardly-opened seal material,
There are problems that the shape of the seal material and the mounting structure are complicated, and that the ring-shaped seal material having the outward opening shape makes the loading work of the dummy bar head troublesome.

【0007】この発明は、前述のような問題点を解消す
べくなされたもので、その目的は、ダミーバーヘッドの
シール作業を人手によらず容易に短時間に行うことがで
き、しかもダミーバーヘッドの全辺にわたってシール材
を均等に配設でき、シール不良を解消することのできる
連続鋳造鋳型内におけるダミーバーシール方法およびダ
ミーバーヘッドを提供することにある。
The present invention has been made in order to solve the above-mentioned problems, and an object thereof is to easily perform the sealing work of the dummy bar head in a short time without any manual labor and, moreover, to realize the dummy bar head. (EN) It is possible to provide a dummy bar sealing method and a dummy bar head in a continuous casting mold in which a sealing material can be evenly arranged over all sides and a sealing failure can be eliminated.

【0008】[0008]

【課題を解決するための手段】この発明は、連続鋳造開
始時に連続鋳造鋳型とダミーバーヘッドとの隙間をシー
ルするダミーバーシール方法において、シール材にSi
O2,Al2O3 等の耐火材をメチルアルコール等の溶剤で混
合して流動性・粘性のあるゼリー状としたシール材を使
用し、このゼリー状のシール材を連続鋳造鋳型内に位置
するダミーバーヘッドの上部から圧力をかけてダミーバ
ーヘッド内に供給し、ダミーバーヘッド内の供給通路を
通し、ダミーバーヘッドの上部における各側面に多数形
成した吐出口から吐出させて連続鋳造鋳型とダミーバー
ヘッドとの隙間に充填するようにしたものである。
The present invention provides a dummy bar sealing method for sealing a gap between a continuous casting mold and a dummy bar head at the start of continuous casting.
A refractory material such as O 2 or Al 2 O 3 is mixed with a solvent such as methyl alcohol to form a jelly-like sealing material that has fluidity and viscosity, and this jelly-like sealing material is placed in the continuous casting mold. The pressure is applied from the upper part of the dummy bar head into the dummy bar head, through the supply path in the dummy bar head, and the continuous casting mold and the dummy bar head are discharged from the discharge ports formed on the side surfaces in the upper part of the dummy bar head. The gap is filled in.

【0009】連続鋳造鋳型内に装入されるダミーバーヘ
ッドは、ゼリー状のシール材を圧送するホースの先端部
が接続される供給口を上面に設け、上部における各側面
にそれぞれ多数の吐出口を設け、この各側面における吐
出口と前記供給口とをそれぞれ供給通路で連通させて構
成する。また、前記供給口の下部にはシール溜まりを設
け、このシール溜まりからダミーバーヘッドの各辺に向
かって第1の供給通路を設け、この第1の供給通路の先
端に各辺に平行な第2の供給通路を設け、この第2の供
給通路に各辺における多数の吐出口を連通させる。
The dummy bar head loaded in the continuous casting mold is provided with a supply port on the upper surface to which the tip of the hose for pumping the jelly-like sealing material is connected, and a large number of discharge ports are provided on each side surface of the upper part. The discharge port on each side surface and the supply port are connected to each other through a supply passage. In addition, a seal reservoir is provided below the supply port, a first supply passage is provided from the seal reservoir toward each side of the dummy bar head, and a second end parallel to each side is provided at the tip of the first supply passage. Is provided, and a large number of discharge ports on each side are communicated with this second supply passage.

【0010】[0010]

【作用】以上のような構成において、鋳込開始時に鋳型
内に位置したダミーバーヘッド上面の供給口にホースを
接続した後、圧力をかけることによりゼリー状のシール
材がダミーバーヘッド内に圧入される。さらに圧力をか
けてゼリー状のシール材を供給し続けることにより、ゼ
リー状のシール材が供給通路を通ってダミーバーヘッド
各辺における多数の吐出口から鋳型とダミーバーヘッド
間に充填される。
With the above construction, a jelly-like sealing material is press-fitted into the dummy bar head by applying pressure after connecting a hose to the supply port on the upper surface of the dummy bar head located in the mold at the start of casting. . By further applying pressure and continuing to supply the jelly-shaped sealing material, the jelly-shaped sealing material is filled between the mold and the dummy bar head through the supply passage from a large number of discharge ports on each side of the dummy bar head.

【0011】充填されたゼリー状のシール材は、鋳型の
余熱により溶剤が気化して固化し、鋳型とダミーバーヘ
ッドとの隙間を完全にシールする。
In the filled jelly-like sealing material, the solvent is vaporized and solidified by the residual heat of the mold, and the gap between the mold and the dummy bar head is completely sealed.

【0012】ダミーバーヘッドの形状が複雑で辺の数が
多くても、短時間でシール材を配設することができると
ともに、各辺に均等にシール材が充填されることにより
シール不良を解消することができる。
Even if the dummy bar head has a complicated shape and a large number of sides, it is possible to dispose the sealing material in a short time, and the sealing material is evenly filled in each side to eliminate the sealing failure. be able to.

【0013】[0013]

【実施例】以下、この発明を図示する一実施例に基づい
て詳細に説明する。これは偏平スラブの連続鋳造鋳型の
例である。図2,図3に示すように、ダミーバーヘッド
1は、連続鋳造鋳型M内に上方あるいは下方から装入さ
れるブロックであり、平面視で鋳型サイズより若干小さ
く形成され、また図示しないダミーバー本体に着脱可能
に連結され、鋳型サイズに応じて取替え可能とされてい
る。なお、その上面はモールド短辺に平行な方向に傾斜
している。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to an illustrated embodiment. This is an example of a continuous casting mold for flat slabs. As shown in FIGS. 2 and 3, the dummy bar head 1 is a block that is inserted into the continuous casting mold M from above or below and is formed to be slightly smaller than the mold size in plan view. It is detachably connected and can be replaced according to the mold size. The upper surface is inclined in a direction parallel to the short side of the mold.

【0014】このような構成において、鋳型Mとダミー
バーヘッド1との隙間に配設するシール材を、後述する
ようなSiO2,Al2O3 等をメチルアルコール等の溶剤で混
合し、流動性・粘性を有し、かつ熱で固化するゼリー状
のシール材2とする。さらに、ダミーバーヘッド1の上
端部には、供給口3,シール溜まり4,四つの第1供給
通路5,四つの第2供給通路6,多数の吐出口7を設け
る。
In such a structure, the sealing material arranged in the gap between the mold M and the dummy bar head 1 is mixed with SiO 2 and Al 2 O 3 which will be described later in a solvent such as methyl alcohol to obtain fluidity. -The jelly-like sealing material 2 is viscous and solidifies by heat. Further, the upper end portion of the dummy bar head 1 is provided with a supply port 3, a seal reservoir 4, four first supply passages 5, four second supply passages 6, and a large number of discharge ports 7.

【0015】供給口3は、上方に開口してゼリー状シー
ル材2を供給するホース8の先端部8aが接続される接
続口であり、ダミーバーヘッド1の上面の中央部におけ
る傾斜面上側寄りに形成される。なお、ホース8の先端
部8aは、供給口3の凹部に係合する出没突起や回転に
より嵌合する嵌合凹凸などによりワンタッチで供給口3
に着脱し、またシールリングなどにより気密的に接続さ
れる構造とする。
The supply port 3 is a connection port to which the tip 8a of the hose 8 which opens upward and supplies the jelly-like sealing material 2 is connected. The supply port 3 is located in the center of the upper surface of the dummy bar head 1 on the upper side of the inclined surface. It is formed. The tip portion 8a of the hose 8 is provided with a one-touch operation such as a projecting / retracting projection that engages with a recess of the supply port 3 or a fitting unevenness that is fitted by rotation.
The structure is to be attached to and detached from, and to be hermetically connected by a seal ring or the like.

【0016】シール溜まり4は、供給口3の下部に形成
され、ホース8からのゼリー状シール材2を一時的に蓄
え、四つの第1供給通路5にほぼ等しい圧力で均等に送
り出す部分である。
The seal reservoir 4 is a portion formed below the supply port 3 to temporarily store the jelly-like seal material 2 from the hose 8 and to evenly discharge the jelly-like seal material 2 to the four first supply passages 5 at substantially equal pressures. .

【0017】4つの第1供給通路5はシール溜まり4か
ら各長辺・短辺に向かって垂直に形成された通路であ
り、各第2供給通路6に接続される。この第2供給通路
6はダミーバーヘッド1の側面に近接して各長辺・短辺
に対して平行に形成される。
The four first supply passages 5 are passages formed vertically from the seal reservoir 4 toward the long sides and the short sides, and are connected to the second supply passages 6. The second supply passage 6 is formed close to the side surface of the dummy bar head 1 and parallel to each long side / short side.

【0018】吐出口7は、ダミーバーヘッド1の上端部
における4つの側面に、上端面から少し下がった位置
に、水平方向に間隔をおいて多数穿設され、各第2供給
通路6に連通させる。従って、各第2供給通路6はヘッ
ダーの役目をし、各吐出口7にほぼ等しい圧力で均等に
ゼリー状シール材2を供給することになる。
A large number of discharge ports 7 are formed on four side surfaces of the upper end portion of the dummy bar head 1 at positions slightly lower than the upper end surface at horizontal intervals and communicate with the respective second supply passages 6. . Therefore, each of the second supply passages 6 serves as a header, and the jelly-like sealing material 2 is evenly supplied to each of the discharge ports 7 at substantially the same pressure.

【0019】また、供給口3・シール溜まり4は傾斜面
上側寄りに形成されており、ゼリー状シール材2を傾斜
面の上側と下側にほぼ均等に供給できる。なお、同一面
内に位置する供給通路5,6,吐出口7は、上面に溝を
切削加工した後、蓋を被せて形成し、あるいはドリルで
穿孔して形成することができる。
Further, the supply port 3 and the seal reservoir 4 are formed on the upper side of the inclined surface, so that the jelly-like sealing material 2 can be supplied to the upper side and the lower side of the inclined surface substantially evenly. The supply passages 5, 6 and the discharge port 7 located in the same plane can be formed by cutting a groove on the upper surface and then covering with a lid or by drilling.

【0020】以上のような構成において、次のようにシ
ールを行う(図1参照)。
With the above structure, sealing is performed as follows (see FIG. 1).

【0021】(1) 連続鋳造開始に際し、前回鋳込みの鋳
片後端が鋳型を抜けると、ダミーバーを上方から装入す
る。
(1) At the start of continuous casting, the dummy bar is loaded from above when the trailing end of the previously cast slab comes out of the mold.

【0022】(2) ダミーバーヘッド1が鋳型M内の所定
の位置に達すると、上方からホース8を降下させ、その
先端部8aを供給口3に接続する。
(2) When the dummy bar head 1 reaches a predetermined position in the mold M, the hose 8 is lowered from above and its tip 8a is connected to the supply port 3.

【0023】(3) ホース8からゼリー状シール材2を所
定の圧力でダミーバーヘッド1内に圧入する。
(3) The jelly-like sealing material 2 is press-fitted into the dummy bar head 1 at a predetermined pressure from the hose 8.

【0024】(4) 注入されたゼリ状シール材2は、シー
ル溜まり4、四つの供給通路5,6を通り、多数の吐出
口7から吐出してダミーバーヘッド1と鋳型Mの隙間に
供給され、シール材の充填が完了する。
(4) The injected jelly-like sealing material 2 passes through the seal reservoir 4 and the four supply passages 5 and 6 and is discharged from a large number of discharge ports 7 to be supplied to the gap between the dummy bar head 1 and the mold M. The filling of the sealing material is completed.

【0025】(5) ホース8を供給口3から取り外せば、
シール作業が完了する。
(5) If the hose 8 is removed from the supply port 3,
Sealing work is completed.

【0026】ゼリー状シール材2は、ダミーバーヘッド
1の四周にわたってほぼ均等に供給され、ダミーバーヘ
ッド1と鋳型Mの隙間に到達すると直ちに鋳型Mの余熱
により溶剤が揮発して固化し、固化したシール材2’に
よりダミーバーヘッド1と鋳型Mの隙間が完全にシール
される。この状態で浸漬ノズルから溶鋼が鋳型M内に注
入され、鋳込みが開始される。
The jelly-like sealing material 2 is supplied substantially evenly over the four circumferences of the dummy bar head 1, and as soon as it reaches the gap between the dummy bar head 1 and the mold M, the residual heat of the mold M causes the solvent to volatilize and solidify, and the solidified seal is formed. The material 2'completely seals the gap between the dummy bar head 1 and the mold M. In this state, molten steel is injected into the mold M from the immersion nozzle, and casting is started.

【0027】次に具体的な数値例を示す。Next, specific numerical examples will be shown.

【0028】[0028]

【表1】 [Table 1]

【0029】[0029]

【表2】 [Table 2]

【0030】[0030]

【表3】 [Table 3]

【0031】以上のようなダミーバーヘッドと鋳型の隙
間に表1のゼリー状シール材を圧力約0.78MPa
(8kg/cm2) で約1200cm3供給したところ、
通常5分かかるシール時間を3分に短縮することができ
た。
In the gap between the dummy bar head and the mold as described above, the jelly-like sealing material shown in Table 1 is pressed at a pressure of about 0.78 MPa.
When about 1200 cm 3 was supplied at (8 kg / cm 2 ),
The sealing time, which normally takes 5 minutes, could be reduced to 3 minutes.

【0032】[0032]

【発明の効果】前述の通り、この発明は、シール材にゼ
リー状のシール材を使用し、このゼリー状のシール材を
ダミーバーヘッド内に供給し、ダミーバーヘッド内の供
給通路を通し、ダミーバーヘッドの上部における各側面
に多数形成した吐出口から連続鋳造鋳型とダミーバーヘ
ッドとの隙間に充填するようにしたため、次のような効
果を奏する。
As described above, according to the present invention, a jelly-shaped sealing material is used as the sealing material, the jelly-shaped sealing material is supplied into the dummy bar head, and the dummy bar head is passed through the supply passage. Since the gaps between the continuous casting mold and the dummy bar head are filled from a large number of discharge ports formed on each side surface in the upper part of the above, the following effects are achieved.

【0033】(1) ダミーバーヘッドの全辺にわたってシ
ール材を容易に短時間に配設することができ、鋳込準備
作業時間を大幅に短縮することができる。ダミーバーの
形状が複雑で辺の数が多いほど効果的となる。鋳込準備
作業の中でダミーバーシールの占める割合は大きく、ダ
ミーバーシールの迅速化により、近年の高能率生産にお
いて生産量の増大を図ることができる。
(1) The sealing material can be easily provided over the entire side of the dummy bar head in a short time, and the casting preparation work time can be greatly shortened. The more complicated the shape of the dummy bar and the more sides it has, the more effective it is. The dummy bar seal occupies a large proportion of the casting preparation work, and the rapid production of the dummy bar seal can increase the production amount in the recent highly efficient production.

【0034】(2) ダミーバーヘッドの形状が複雑で辺の
数が多くても、全辺にわたってシール材を均等に配設す
ることができ、シール不良を解消することができる。
(2) Even if the dummy bar head has a complicated shape and has a large number of sides, the sealing material can be evenly arranged over all sides, and defective sealing can be eliminated.

【0035】(3) 人手によらず自動的にシールを行うこ
とができ、省力化を図ることができる。
(3) Sealing can be performed automatically without manual labor, and labor can be saved.

【図面の簡単な説明】[Brief description of drawings]

【図1】この発明に係るダミーバーシール方法を工程順
に示す概略縦断面図である。
FIG. 1 is a schematic vertical sectional view showing a dummy bar sealing method according to the present invention in the order of steps.

【図2】この発明に係るダミーバーヘッドを示す縦断面
図である。
FIG. 2 is a vertical sectional view showing a dummy bar head according to the present invention.

【図3】図2のダミーバーヘッドの横断面図である。3 is a cross-sectional view of the dummy bar head of FIG.

【図4】従来の断面くさび形のシール材によるダミーバ
ーシール方法を示す概略縦断面図である。
FIG. 4 is a schematic vertical sectional view showing a conventional dummy bar sealing method using a sealing material having a wedge-shaped cross section.

【符号の説明】[Explanation of symbols]

M…連続鋳造鋳型 1…ダミーバーヘッド 2…ゼリー状シール材 3…供給口 4…シール溜まり 5…第1供給通路 6…第2供給通路 7…吐出口 8…ホース M ... Continuous casting mold 1 ... Dummy bar head 2 ... Jelly-like sealing material 3 ... Supply port 4 ... Seal reservoir 5 ... First supply passage 6 ... Second supply passage 7 ... Discharge port 8 ... Hose

Claims (2)

【特許請求の範囲】[Claims] 【請求項1】 連続鋳造開始時に連続鋳造鋳型とダミー
バーヘッドとの隙間をシールするダミーバーシール方法
において、 シール材にゼリー状のシール材を使用し、このゼリー状
のシール材を連続鋳造鋳型内に位置するダミーバーヘッ
ドの上部からダミーバーヘッド内に圧力をかけて供給
し、ダミーバーヘッド内の供給通路を通し、ダミーバー
ヘッドの上部における各側面に多数形成した吐出口から
吐出させて連続鋳造鋳型とダミーバーヘッドとの隙間に
充填することを特徴とする連続鋳造鋳型内におけるダミ
ーバーシール方法。
1. A dummy bar sealing method for sealing a gap between a continuous casting mold and a dummy bar head at the start of continuous casting, wherein a jelly-like sealing material is used as a sealing material, and the jelly-like sealing material is placed in the continuous casting mold. Pressure is supplied from the upper part of the dummy bar head located inside the dummy bar head, through the supply passage in the dummy bar head, and discharged from a large number of discharge ports formed on each side surface at the upper part of the dummy bar head to continuously cast the mold and the dummy bar head. A method for sealing a dummy bar in a continuous casting mold, characterized by filling in a gap between and.
【請求項2】 連続鋳造開始時に連続鋳造鋳型内に装入
されるダミーバーヘッドにおいて、 ゼリー状のシール材を圧送するホースの先端部が接続さ
れる供給口を上面に設け、上部における各側面にそれぞ
れ多数の吐出口を設け、この各側面における吐出口と前
記供給口とをそれぞれ供給通路で連通させたことを特徴
とするダミーバーヘッド。
2. In a dummy bar head loaded into a continuous casting mold at the start of continuous casting, a supply port to which a tip of a hose for feeding a jelly-like sealing material is connected is provided on the upper surface, and each side surface of the upper portion is provided. A dummy bar head, characterized in that a large number of discharge ports are provided respectively, and the discharge ports on the respective side surfaces and the supply port are communicated with each other through a supply passage.
JP25040193A 1993-10-06 1993-10-06 Method for sealing dummy bar in continuous casting mold and dummy bar head Pending JPH07100602A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP25040193A JPH07100602A (en) 1993-10-06 1993-10-06 Method for sealing dummy bar in continuous casting mold and dummy bar head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP25040193A JPH07100602A (en) 1993-10-06 1993-10-06 Method for sealing dummy bar in continuous casting mold and dummy bar head

Publications (1)

Publication Number Publication Date
JPH07100602A true JPH07100602A (en) 1995-04-18

Family

ID=17207365

Family Applications (1)

Application Number Title Priority Date Filing Date
JP25040193A Pending JPH07100602A (en) 1993-10-06 1993-10-06 Method for sealing dummy bar in continuous casting mold and dummy bar head

Country Status (1)

Country Link
JP (1) JPH07100602A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010110882A (en) * 2000-06-09 2001-12-15 이구택 Mud sealant for sealing dummy bar
KR101302529B1 (en) * 2010-11-05 2013-09-03 주식회사 포스코 Dummy bar and continuous casting method using the same
KR20180060178A (en) 2016-11-28 2018-06-07 주식회사 포스코 Apparatus and method for casting

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010110882A (en) * 2000-06-09 2001-12-15 이구택 Mud sealant for sealing dummy bar
KR101302529B1 (en) * 2010-11-05 2013-09-03 주식회사 포스코 Dummy bar and continuous casting method using the same
KR20180060178A (en) 2016-11-28 2018-06-07 주식회사 포스코 Apparatus and method for casting

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