JPH069749U - Refractory block with steel sleeve for continuous casting - Google Patents
Refractory block with steel sleeve for continuous castingInfo
- Publication number
- JPH069749U JPH069749U JP4736592U JP4736592U JPH069749U JP H069749 U JPH069749 U JP H069749U JP 4736592 U JP4736592 U JP 4736592U JP 4736592 U JP4736592 U JP 4736592U JP H069749 U JPH069749 U JP H069749U
- Authority
- JP
- Japan
- Prior art keywords
- steel sleeve
- immersion nozzle
- steel
- plate brick
- continuous casting
- 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.)
- Granted
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 46
- 239000010959 steel Substances 0.000 title claims abstract description 46
- 238000009749 continuous casting Methods 0.000 title claims description 13
- 238000007654 immersion Methods 0.000 claims abstract description 24
- 239000011449 brick Substances 0.000 claims abstract description 21
- 238000003825 pressing Methods 0.000 claims abstract description 12
- 238000001816 cooling Methods 0.000 claims abstract description 9
- 230000002093 peripheral effect Effects 0.000 claims abstract description 4
- 238000007598 dipping method Methods 0.000 claims description 8
- 239000002184 metal Substances 0.000 abstract description 6
- 229910052751 metal Inorganic materials 0.000 abstract description 6
- 238000003780 insertion Methods 0.000 abstract description 3
- 230000037431 insertion Effects 0.000 abstract description 3
- 238000005266 casting Methods 0.000 abstract description 2
- 238000005260 corrosion Methods 0.000 abstract description 2
- 230000007797 corrosion Effects 0.000 abstract description 2
- 238000004901 spalling Methods 0.000 abstract description 2
- 239000004570 mortar (masonry) Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
Landscapes
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
Abstract
(57)【要約】 （修正有）
【目的】プレート煉瓦と浸漬ノズルをメタルケース等で
被覆して一体化し、機械的強度と耐蝕性、耐スポーリン
グ性を併せ持ち、接合部に隙間ができない構造とし、地
金差しやエアー吸気に起因するノズル閉塞を防止して鋼
の品質を向上し、多連鋳に使用しうる耐火物ブロックを
提供する。
【構成】プレート煉瓦１と浸漬ノズル２との組立体を嵌
合、装着しうる形状の鋼製スリーブ１０の浸漬ノズル側
上部に段部３を設け、段部内周面に所望の熱膨張率を有
する押圧力付与リング４を介して浸漬ノズルおよびプレ
ート煉瓦を嵌合、装着する。プレート煉瓦を装着した鋼
製スリーブと、浸漬ノズル押圧力付与リングを段部に内
設し、かつ、浸漬ノズルを装着した鋼製スリーブとを嵌
合、溶接する。さらに、鋼製スリーブの段部が浸漬ノズ
ルの軸線と直交または傾斜している形状とする。鋼製ス
リーブの外周に空冷ジャケットを設けてもよい。
(57) [Summary] (Modified) [Purpose] A structure in which the plate brick and the immersion nozzle are covered with a metal case or the like and integrated, and have both mechanical strength, corrosion resistance, and spalling resistance, and no gaps at the joint. The present invention provides a refractory block that can be used for multiple casting by preventing nozzle clogging due to ingot insertion and air intake to improve steel quality. [Structure] A step portion 3 is provided on an upper portion of a steel sleeve 10 having a shape capable of fitting and mounting a plate brick 1 and an immersion nozzle 2 on the immersion nozzle side, and a desired thermal expansion coefficient is provided on an inner peripheral surface of the step portion. The immersion nozzle and the plate brick are fitted and mounted through the pressing force imparting ring 4 that is provided. A steel sleeve having a plate brick mounted therein and a steel sleeve having an immersion nozzle pressing force applying ring internally provided on a step portion and having an immersion nozzle fitted and welded. Further, the step of the steel sleeve is formed so as to be orthogonal or inclined to the axis of the immersion nozzle. An air cooling jacket may be provided on the outer circumference of the steel sleeve.
Description
【０００１】[0001]
本考案は、溶鋼の連続鋳造設備において、溶鋼流量制御に用いられるスライド バルブ用の耐火物ブロックに関する。 The present invention relates to a refractory block for a slide valve used for molten steel flow rate control in a molten steel continuous casting facility.
【０００２】[0002]
最近の省力化の観点からスライドバルブへのれんがの組み込み作業は、簡単化 、迅速化が要求されるため、スライドプレートとシュートノズルを一体化してセ ットする方法が採用されている。従来、一体化の方法はスライドプレートの側面 と底面およびシュートノズルの側面を、包括するように製作された一体成形の金 属ケースの中に、モルタルあるいはキャスタブルなどの充填材を用いてスライド プレートとシュートノズルをセットする構造が一般的である。 In order to save labor recently, the work of incorporating bricks into a slide valve is required to be simple and quick, so the method of integrally setting the slide plate and chute nozzle has been adopted. Conventionally, the method of integration is that the side surface and bottom surface of the slide plate and the side surface of the chute nozzle are integrally molded into a metal case, and a slide plate is formed using a filling material such as mortar or castable. A structure in which a chute nozzle is set is common.
【０００３】 しかしながら、この方式では充填材の流動性により摺動面と金属ケース底面と の平行度が保ち難く、充填材の完全硬化に長時間を要するなどの欠点がある。However, in this method, it is difficult to maintain the parallelism between the sliding surface and the bottom surface of the metal case due to the fluidity of the filler, and it takes a long time to completely cure the filler.
【０００４】 このような諸欠点を解決するため、本出願人はさきに「スライドバルブ用耐火 物収容構造」を提案した（実公平２−３５４０５号公報）。In order to solve such various drawbacks, the present applicant has previously proposed “a refractory housing structure for a slide valve” (Japanese Utility Model Publication No. 2-35405).
【０００５】 このような収容構造とすることによりスライドプレートの平行度を取り易く、 接着を迅速化しかつ鋼材の通常の切断、溶接等により容易に製作し得ることとな ったが、この種収容構造では金属ケースが熱膨張してスライドプレート又は下プ レートとモルタル接合された下ノズル又は浸漬ノズルとの間に隙間が出来やすく 、接合部からの地金差し込み等によるトラブルが発生する場合があり、完全に一 体化できない欠点があることが知られている。With such an accommodation structure, the parallelism of the slide plate can be easily obtained, the adhesion can be speeded up, and the steel material can be easily manufactured by ordinary cutting, welding, etc. In the structure, the metal case thermally expands and a gap is likely to be formed between the slide plate or the lower plate and the lower nozzle or the dipping nozzle joined with the mortar, which may cause troubles such as insertion of the metal from the joint. However, it is known that there are drawbacks that cannot be completely integrated.
【０００６】[0006]
従来、プレートれんがと浸漬ノズルは分離型であるが、これを一体構成とし、 メタルケース等で被覆して、十分な機械的強度と耐蝕性、耐スポーリング性等を 併せ持ち、接合部に隙間が出来ない構造とし、地金差しやエアー吸気に起因する ノズル閉塞を防止して鋼の品質を向上し、多連鋳に使用しうる耐火物ブロックを 提供するものである。 Conventionally, the plate brick and the dipping nozzle are separate types, but they are integrally configured and covered with a metal case etc. to have sufficient mechanical strength, corrosion resistance, spalling resistance, etc. It is a refractory block that can be used in multiple castings with a structure that cannot be used, which improves the quality of steel by preventing nozzle clogging due to ingot insertion and air intake.
【０００７】[0007]
本考案者等は前述の如き従来方式の諸欠点を解決すべく、種々検討、実験の結 果本考案の連鋳用耐火物ブロックを開発したものであり、その技術的構成は連続 鋳造用ＳＶ装置のプレート煉瓦と浸漬ノズルとの組立体を嵌合、装着しうる形状 の鋼製スリーブで、該鋼製スリーブは浸漬ノズル側上部に段部（３）を有し、該 段部（３）内周面に所望の熱膨張率を有する押圧力付与リング（４）を介して浸 漬ノズル及びプレート煉瓦を嵌合、装着したことを特徴とし、また、連続鋳造用 プレート煉瓦（１）を装着した鋼製スリーブ（１０）と押圧力付与リング（４） を段部（３）に内設しかつ浸漬ノズル（２）を装着した鋼製スリーブ（１０′） とを嵌合、溶接したことを特徴とし、更に前記鋼製スリーブの段部（３）が浸漬 ノズルの軸線に直交又は傾斜している構成とするものであり、また、鋼製スリー ブ外周に空冷ジャケットを設けてもよい。 The inventors of the present invention developed a continuous casting refractory block of the present invention as a result of various studies and experiments in order to solve the above-mentioned drawbacks of the conventional method, and its technical constitution is SV for continuous casting. A steel sleeve having a shape capable of fitting and mounting an assembly of a plate brick and an immersion nozzle of the device, the steel sleeve having a step portion (3) on an upper side of the immersion nozzle, and the step portion (3) The immersion nozzle and the plate brick are fitted and mounted on the inner peripheral surface through a pressing force imparting ring (4) having a desired coefficient of thermal expansion, and the plate brick (1) for continuous casting is mounted. The steel sleeve (10) and the steel sleeve (10 ') in which the pressing force applying ring (4) is installed in the step (3) and the immersion nozzle (2) is fitted are welded together. Characteristically, the step (3) of the steel sleeve is further immersed in the axis of the nozzle.交又 is intended a configuration that is inclined, it may also be a cooling jacket provided on the steel sleeves periphery.
【０００８】 本考案の具体例を添付図面に基いて詳述する。A specific example of the present invention will be described in detail with reference to the accompanying drawings.
【０００９】 図１は請求項１記載の本考案耐火物ブロックの縦断面図の一例を示し、１はプ レート煉瓦であり、２は浸漬ノズルを示す。１０は鋼製スリーブであって、上段 にプレート煉瓦１の側面及び底面それぞれの外周を囲繞する形状とし、中段及び 下段は浸漬ノズル２の外周を囲繞する形状、即ち通常円筒状であるが、中段と下 段との間には段部３が設けてあり、下段が中段より小なる直径としてある。尚、 前記段部３が図示のものは傾斜段部であるが、浸漬ノズルの軸線に直交した段部 としてもよい。FIG. 1 shows an example of a vertical sectional view of the refractory block of the present invention according to claim 1, wherein 1 is a plate brick and 2 is a dipping nozzle. Reference numeral 10 denotes a steel sleeve, which has a shape surrounding the outer circumferences of the side surface and the bottom surface of the plate brick 1 in the upper stage, and a shape surrounding the outer circumference of the immersion nozzle 2 in the middle and lower stages, that is, a normal cylindrical shape. A step portion 3 is provided between the lower step and the lower step, and the lower step has a diameter smaller than that of the middle step. Although the stepped portion 3 is an inclined stepped portion in the drawing, it may be a stepped portion orthogonal to the axis of the immersion nozzle.
【００１０】 ４は鋼製スリーブ１０の中段の内周面に配設した、所望の熱膨張率を有する押 圧力付与リングであり、鋼製スリーブ１０が一般構造用鋼である場合、押圧力付 与リングは銅製リングとする。Reference numeral 4 denotes a pressing force applying ring having a desired coefficient of thermal expansion, which is arranged on the inner peripheral surface of the middle stage of the steel sleeve 10. When the steel sleeve 10 is a general structural steel, a pressing force is applied. The given ring is a copper ring.
【００１１】 前述の構成からなる本考案耐火物ブロックは、鋼製スリーブ１０の所定位置に 押圧力付与リング４を配設し、ついで浸漬ノズル２を嵌合、装着し、その上にプ レート煉瓦をモルタル（５）を介して嵌合、装着するか又は浸漬ノズル２とプレ ート煉瓦１を予じめ一体化した組立体を鋼製スリーブ（１０）に嵌合、装着する 。In the refractory block of the present invention having the above-described structure, the pressing force applying ring 4 is arranged at a predetermined position of the steel sleeve 10, and then the immersion nozzle 2 is fitted and mounted on the plate brick. Are fitted and mounted via a mortar (5), or an assembly in which the immersion nozzle 2 and the plate brick 1 are previously integrated is fitted and mounted on the steel sleeve (10).
【００１２】 従って、連鋳に使用時に浸漬ノズルが約７００℃に昇温すると鋼製スリーブの 膨張率は０．８３％、押圧付与リング（銅製）の膨張率が１．１５％となり、押 圧付与リングの膨張率が０．３２％大であり、従って、浸漬ノズルを押上げる力 が働きその結果として浸漬ノズルとプレート煉瓦間の目地開きが防止できる。Therefore, when the immersion nozzle is heated to about 700 ° C. during continuous casting, the expansion coefficient of the steel sleeve becomes 0.83% and the expansion coefficient of the pressing ring (made of copper) becomes 1.15%. The expansion coefficient of the applying ring is as large as 0.32%. Therefore, the force that pushes up the immersion nozzle works, and as a result, the joint opening between the immersion nozzle and the plate brick can be prevented.
【００１３】 図２は請求項２記載の本考案の別の実施態様を示す縦断面図であり、図１と同 一符合は同一の部材を示す。FIG. 2 is a vertical cross-sectional view showing another embodiment of the present invention according to claim 2, and the same reference numerals as those in FIG. 1 denote the same members.
【００１４】 この具体例は鋼製スリーブを上下２分割型とし、鋼製スリーブ１０にはプレー ト煉瓦１を嵌合、装着し、段部３を有する鋼製スリーブ１０′には該段部３の上 方内周面に圧力付与リング４を配設したのち、浸漬ノズル２を嵌合、装着し、前 記両者をモルタル（５）等を介して組立体とし、鋼製スリーブ１０，１０′とを その全周において溶接６を実施し一体化する。尚、前記鋼製スリーブ１０と１０ ′とは図示の如く、スリーブ１０′を内方に嵌合するものであり、従って１０′ の外径はスリーブ１０の内径とほゞ等しいものとする。In this example, a steel sleeve is divided into upper and lower halves, a steel brick 10 is fitted with and fitted with a plate brick 1, and a steel sleeve 10 ′ having a step 3 has the step 3 After arranging the pressure applying ring 4 on the inner surface of the upper side, the dipping nozzle 2 is fitted and mounted, and both of them are assembled through the mortar (5) and the like, and the steel sleeves 10 and 10 'are assembled. Welding 6 is carried out on the entire circumference of the and to integrate them. The steel sleeves 10 and 10 'are for fitting the sleeve 10' inward as shown in the drawing, and therefore the outer diameter of 10 'is approximately equal to the inner diameter of the sleeve 10.
【００１５】 図３は鋼製スリーブ（１０）の外周にエアー排出口（１２′）を有する空冷ジ ャケット（１２）を設けた例を示す縦断面図である。該空冷ジャケット（１２） は図３の如く鋼製スリーブ（１０）と一体構造でなく、別途の部材を配設して空 冷ジャケット構造としてもよい。このような構成として冷却することにより鋼製 スリーブの熱膨張を抑制することができるため、浸漬ノズルを上方に押付ける力 は大きく作用させることができる。FIG. 3 is a vertical cross-sectional view showing an example in which an air cooling jacket (12) having an air discharge port (12 ′) is provided on the outer circumference of a steel sleeve (10). The air-cooling jacket (12) may not have an integrated structure with the steel sleeve (10) as shown in FIG. 3, but may have an air-cooling jacket structure by disposing a separate member. Since the thermal expansion of the steel sleeve can be suppressed by cooling with such a configuration, the force for pressing the immersion nozzle upward can be greatly exerted.
【００１６】[0016]
プレート煉瓦と浸漬ノズルを鋼製スリーブで一体化し、更に押圧付与リングの 熱膨張を利用して浸漬ノズルを押上げ、プレート煉瓦と浸漬ノズル間の目地開き を防止して、エアー吸気に起因するトラブルを防止して多連鋳の作業能率を向上 することができる。 The plate brick and the dipping nozzle are integrated with a steel sleeve, and the thermal expansion of the pressing ring is used to push up the dipping nozzle to prevent the opening of the joint between the plate brick and the dipping nozzle, resulting in problems caused by air intake. Can be prevented and the work efficiency of continuous casting can be improved.
【図１】本考案の一具体例で、一体型鋼製スリーブを用
いた縦断面図。FIG. 1 is a vertical cross-sectional view of an embodiment of the present invention using an integrated steel sleeve.
【図２】本考案の他の具体例で、分割型鋼製スリーブを
用いた縦断面図。FIG. 2 is a vertical cross-sectional view of another embodiment of the present invention using a split steel sleeve.
【図３】鋼製スリーブ外周に空冷ジャケットを設けた本
考案の他の例を示す縦断面図。FIG. 3 is a longitudinal sectional view showing another example of the present invention in which an air cooling jacket is provided on the outer circumference of a steel sleeve.
１ プレート煉瓦 ２ 浸漬ノズル ３ 段部 ４ 押圧力付与リング ５ モルタル １０ １０′ 鋼製スリーブ １２ 空冷ジャケット １２′ エアー排出口 1 Plate Brick 2 Immersion Nozzle 3 Step 4 Pressing Ring 5 Mortar 10 10 'Steel Sleeve 12 Air Cooling Jacket 12' Air Discharge Port
───────────────────────────────────────────────────── フロントページの続き (72)考案者 井上 淳一 岡山県備前市伊部1931 (72)考案者 初治 宏泰 岡山県備前市東片上603−６ ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Junichi Inoue 1931 Ibe, Bizen City, Okayama Prefecture (72) Inventor Hiroyasu Hatsuji 603-6 Higashikatagami, Bizen City, Okayama Prefecture
Claims (4)
漬ノズルとの組立体を嵌合、装着しうる形状の鋼製スリ
ーブで、該鋼製スリーブは浸漬ノズル側上部に段部
（３）を有し、該段部（３）内周面に所望の熱膨張率を
有する押圧力付与リング（４）を介して浸漬ノズル及び
プレート煉瓦を嵌合、装着したことを特徴とする連続鋳
造用鋼製スリーブ付耐火物ブロック。1. A steel sleeve having a shape capable of fitting and mounting an assembly of a plate brick and an immersion nozzle of an SV device for continuous casting, the steel sleeve having a stepped portion (3) on the upper side of the immersion nozzle. A steel for continuous casting characterized in that an immersion nozzle and a plate brick are fitted and attached to the inner peripheral surface of the step portion (3) through a pressing force imparting ring (4) having a desired coefficient of thermal expansion. Refractory block with sleeve made.
た鋼製スリーブ（１０）と押圧力付与リング（４）を段
部（３）に内設しかつ浸漬ノズル（２）を装着した鋼製
スリーブ（１０′）とを嵌合、溶接したことを特徴とす
る連続鋳造用鋼製スリーブ付耐火物ブロック。2. Steel in which a steel sleeve (10) fitted with a plate brick (1) for continuous casting and a pressing force applying ring (4) are internally provided in a step (3) and a dipping nozzle (2) is fitted. A refractory block with a steel sleeve for continuous casting, characterized in that the sleeve (10 ') is fitted and welded.
ズルの軸線に直交又は傾斜している請求項１又は２の何
れかに記載の連続鋳造用鋼製スリーブ付耐火物ブロッ
ク。3. The refractory block with a steel sleeve for continuous casting according to claim 1, wherein the step portion (3) of the steel sleeve is orthogonal or inclined to the axis of the immersion nozzle.
取付けた請求項１〜３の何れかに記載の連続鋳造用鋼製
スリーブ付耐火物ブロック。4. The refractory block with a steel sleeve for continuous casting according to claim 1, wherein an air cooling jacket is attached to the outer circumference of the steel sleeve.
Priority Applications (10)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1992047365U JP2572745Y2 (en) | 1992-07-07 | 1992-07-07 | Refractory block with steel sleeve for continuous casting |
| US08/356,265 US5614121A (en) | 1992-06-18 | 1993-03-22 | Refractory block for continuous casting |
| AT93906799T ATE195086T1 (en) | 1992-06-18 | 1993-03-22 | FIREPROOF BLOCK FOR CONTINUOUS CASTING |
| PCT/JP1993/000332 WO1993025333A1 (en) | 1992-06-18 | 1993-03-22 | Refractory block for continuous casting |
| AU37669/93A AU687345B2 (en) | 1992-06-18 | 1993-03-22 | Refractory block for continuous casting |
| EP93906799A EP0646430B1 (en) | 1992-06-18 | 1993-03-22 | Refractory block for continuous casting |
| DE69329151T DE69329151T2 (en) | 1992-06-18 | 1993-03-22 | FIREPROOF BLOCK FOR CONTINUOUS CASTING |
| CA002137922A CA2137922A1 (en) | 1992-06-18 | 1993-03-22 | Refractory block for continuous casting |
| US08/673,945 US5928556A (en) | 1992-06-18 | 1996-07-01 | Refractory block for continuous casting |
| AU46898/97A AU693063B2 (en) | 1992-06-18 | 1997-12-04 | A refractory block having a pressing force-giving ring for continuous casting process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1992047365U JP2572745Y2 (en) | 1992-07-07 | 1992-07-07 | Refractory block with steel sleeve for continuous casting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH069749U true JPH069749U (en) | 1994-02-08 |
| JP2572745Y2 JP2572745Y2 (en) | 1998-05-25 |
Family
ID=12773088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1992047365U Expired - Fee Related JP2572745Y2 (en) | 1992-06-18 | 1992-07-07 | Refractory block with steel sleeve for continuous casting |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2572745Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040005151A (en) * | 2002-07-08 | 2004-01-16 | 현대자동차주식회사 | A structure for coupling mold with insert |
| JP2011143453A (en) * | 2010-01-15 | 2011-07-28 | Tokyo Yogyo Co Ltd | Molten metal passage nozzle and method for producing the same |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02211973A (en) * | 1989-02-13 | 1990-08-23 | Toshiba Ceramics Co Ltd | Sliding nozzle device |
-
1992
- 1992-07-07 JP JP1992047365U patent/JP2572745Y2/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02211973A (en) * | 1989-02-13 | 1990-08-23 | Toshiba Ceramics Co Ltd | Sliding nozzle device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040005151A (en) * | 2002-07-08 | 2004-01-16 | 현대자동차주식회사 | A structure for coupling mold with insert |
| JP2011143453A (en) * | 2010-01-15 | 2011-07-28 | Tokyo Yogyo Co Ltd | Molten metal passage nozzle and method for producing the same |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2572745Y2 (en) | 1998-05-25 |
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