JPS5841656A - Continuous casting device for thin sheet - Google Patents
Continuous casting device for thin sheetInfo
- Publication number
- JPS5841656A JPS5841656A JP13961081A JP13961081A JPS5841656A JP S5841656 A JPS5841656 A JP S5841656A JP 13961081 A JP13961081 A JP 13961081A JP 13961081 A JP13961081 A JP 13961081A JP S5841656 A JPS5841656 A JP S5841656A
- Authority
- JP
- Japan
- Prior art keywords
- roll
- water
- cooled
- molten metal
- tundish
- 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
Links
Classifications
-
- 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
- B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
- B22D11/0611—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars formed by a single casting wheel, e.g. for casting amorphous metal strips or wires
- B22D11/0614—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars formed by a single casting wheel, e.g. for casting amorphous metal strips or wires the casting wheel being immersed in a molten metal bath, and drawing out upwardly the casting strip
-
- 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
- B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
- B22D11/0637—Accessories therefor
- B22D11/0697—Accessories therefor for casting in a protected atmosphere
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
Abstract
Description
【発明の詳細な説明】
従来の直接圧延弐′連続鋳造装置の機構の概要を第１図
に基づいて説明する。この装置は鋳造する板厚に相当す
る間隙を置いて並設した２本の水冷されたサイドダム（
２）と、前記ロール（１１（１）と同ザイドダム（２）
とにより形成される空間に溶鋼等の溶湯（３）を注入す
るための注湯ノズル（４）と、鋳造圧延さイ１．た薄板
（５）を案内するガイドロール（６）と、同薄板（５）
を挾持して移送するピンチロール（７）などを主要構成
部材としており、前記注湯ノズル（４）はタンディシュ
（８）に接続され、タンディシュ（８）内の溶湯（３）
を導出するようになっている。DETAILED DESCRIPTION OF THE INVENTION An overview of the mechanism of a conventional direct rolling two-way continuous casting apparatus will be explained with reference to FIG. This equipment consists of two water-cooled side dams (
2), and the above role (11 (1) and the same Zydodam (2)
a pouring nozzle (4) for injecting a molten metal (3) such as molten steel into the space formed by the casting and rolling process A1. A guide roll (6) that guides the thin plate (5) and the same thin plate (5).
The main components include pinch rolls (7) that pinch and transfer the molten metal (3), and the pouring nozzle (4) is connected to the tundish (8), and the molten metal (3) in the tundish (8)
It is designed to derive.
寸た前記２本の水冷ロール（１） （１）は、水平に対
向して設置さｉｔており、図示しない駆動装置により互
いに反対方向（矢印方向）に回転、駆動されると共に、
銅又は銅合金或は鋼材等により形成され、内部に水冷機
構を内蔵するものであって、溶湯（３）との適当な接触
面積を得る為に相当大径のロールとなっている。The two water-cooled rolls (1) (1) are installed horizontally facing each other, and are rotated and driven in opposite directions (arrow directions) by a drive device (not shown).
It is made of copper, copper alloy, steel, etc., has a built-in water cooling mechanism, and has a fairly large diameter roll in order to obtain an appropriate contact area with the molten metal (3).
一方前記ザイドダム（２）は、耐火、断熱性の優れた材
料、例えばセラミックス等で形成され、前記水冷ロール
（Ｉ［）との間に溶湯（３）を溜め、且つ外部への漏出
を防止するよう同ロール（１） （１）の両端部に圧接
されている。また前記ガイドロール（６）は、製造され
た薄板（５）を所定の方向に案内するものであり、前記
ピンチロール（力は、水冷ロールｆｌ）（１）と同調し
て駆動され、前記薄板（５）を次の工程に移送するもの
である。On the other hand, the Zyde dam (2) is made of a material with excellent fire resistance and heat insulation properties, such as ceramics, and stores the molten metal (3) between it and the water cooling roll (I [) and prevents leakage to the outside. The same roll (1) is pressed against both ends of (1). Further, the guide roll (6) guides the manufactured thin plate (5) in a predetermined direction, and is driven in synchronization with the pinch roll (force is a water-cooled roll fl) (1) to guide the thin plate (5). (5) is transferred to the next process.
溶湯（３）はタンディシュ（８）に供給され、注湯ノズ
ル（４）を介して水冷ロール（１） （１）間に連続的
に定−け供給される。この水冷ロール（ＩＨＩ）とザイ
ドダム（２）で形成される溶湯（３）の溜りにおいて、
溶湯（３）は水冷ロール（Ｌ）（１’）の表面に接触し
て冷却され、凝固殻（９）（９）が形成される。The molten metal (3) is supplied to the tundish (8) and is continuously and fixedly supplied between the water-cooled rolls (1) via the pouring nozzle (4). In the pool of molten metal (3) formed by this water-cooled roll (IHI) and Zyde dam (2),
The molten metal (3) is cooled by contacting the surface of the water-cooled rolls (L) (1'), and solidified shells (9) (9) are formed.
また水冷ロールｏ）（＋’＞は互いに異なった内側方向
に回転しており、各々の水冷ロール表面で形成された２
枚の凝固殻（９） （９）を集めて圧延し、一体化して
一枚の薄板（５）として送り出す。この薄板（５）はガ
イドロール（６）でピンチロール（７）に案内さ１１１
、同ピンチロール（力によって所定速度で引き抜かれる
。In addition, the water-cooled rolls o)(+'> rotate in different inward directions, and the two water-cooled rolls formed on the surface of each water-cooled roll
The solidified shells (9) (9) are collected, rolled, integrated, and sent out as a single thin plate (5). This thin plate (5) is guided to the pinch roll (7) by the guide roll (6) 111
, the same pinch roll (pulled out at a predetermined speed by force).
この場合薄板（５）の板厚Ｔは前記水冷ロール＋１１
（１）の間隙によって決定され、この間隙を調整するこ
とにより、所望の板厚となし得る。In this case, the thickness T of the thin plate (5) is the water-cooled roll + 11
It is determined by the gap in (1), and by adjusting this gap, the desired plate thickness can be obtained.
しかしながら従来装置においては、前記水冷ロール（１
）（１）の表面で形成された２枚の凝固殻（９）（９）
を集めて圧延し、一体化して一枚の薄板（５）を得てい
たが、溶湯（３）の温度、ならびに溶湯の組成等により
凝固殻（９）（９）の生成にバラツキが生じ、水冷ロー
ル（１，）（１）の回転制御に困難をきたしていた。However, in the conventional device, the water-cooled roll (1
) Two solidified shells (9) formed on the surface of (1) (9)
were collected, rolled, and integrated to obtain a single thin plate (5), but the formation of solidified shells (9) (9) varied depending on the temperature of the molten metal (3), the composition of the molten metal, etc. It was difficult to control the rotation of the water-cooled rolls (1,) (1).
このため水冷ロールｍ ｆｌ）の回転速度と凝固殻（９
）（偽の生成が一致せず、凝固殻（９） （９）が小さ
い（薄い）場合は、圧延、一体化して薄板（５）にした
際、薄板中心部に未凝固溶湯が存在し、薄板（５）に凹
凸が生じたり、薄板（５）が破断したりして溶湯が外部
へ漏出するなど、薄板の補修および装置の保守に多大の
労力を必要とする等の欠点があった。また凝固殻（９）
（９）が大きい（厚い）場合は、安定した薄板（５）
の引き抜きは不可能であった。For this reason, the rotation speed of the water-cooled roll m fl) and the solidified shell (9
) (If the false formations do not match and the solidified shell (9) (9) is small (thin), there is unsolidified molten metal in the center of the thin plate when it is rolled and integrated into a thin plate (5). There were drawbacks such as unevenness occurring in the thin plate (5) or breakage of the thin plate (5), resulting in leakage of molten metal to the outside, requiring a great deal of effort to repair the thin plate and maintain the equipment. Also solidified shell (9)
If (9) is large (thick), stable thin plate (5)
It was impossible to extract it.
本発明は前記従来の欠点を解消するために提案されたも
ので、従来の２本の水冷ロールと異なり、溶湯と接触す
る水冷ロールは１本とし、同水冷ロールの回転速度の制
御により、水冷ロール表面に生成する凝固殻の厚みを決
め、水冷ロール上面に設けた水冷式の川下ロールにより
所定肉厚の薄板をイ（Ｉるようにしたものであり、一枚
の凝固殻を圧延するだけであるため、安定して薄板を得
ることが出来る薄板連続鋳造装置を提供せんとするもの
である。The present invention was proposed to solve the above-mentioned conventional drawbacks. Unlike the conventional two water-cooled rolls, only one water-cooled roll is in contact with the molten metal, and by controlling the rotational speed of the water-cooled roll, water-cooled The thickness of the solidified shell formed on the roll surface is determined, and a thin plate of a specified thickness is rolled using a water-cooled downstream roll installed on the top of the water-cooled roll, and only one solidified shell is rolled. Therefore, it is an object of the present invention to provide a continuous thin plate casting apparatus that can stably produce thin plates.
以下本発明の実施例を図面に基づいて説明する。Embodiments of the present invention will be described below based on the drawings.
第２図及び第８図に於ける本発明の実施例を示す連続鋳
造装置は、１本の水冷ロール（１）と、同ロールの周面
に当接して配設されたタンディシュ（８）と、同タンデ
ィシュ（８）内に溶鋼等の溶湯（３）を注湯するための
取鍋（１１）と、注湯ノズル（４）ならびに水冷ロール
（１）表面の溶湯（３）の凝固殻（９）を移送ならびに
圧延する水冷圧下ロール（ＩＩと、鋳造、圧延された薄
板（５）を案内するガイドロール（６）と、溶湯（３）
表面の酸化物ならびにスラグ等を不活性ガス等で吹き飛
ばすノズル０渇などを主要構成部材としている。The continuous casting apparatus showing the embodiment of the present invention shown in FIGS. 2 and 8 includes one water-cooled roll (1) and a tundish (8) disposed in contact with the circumferential surface of the roll. , a ladle (11) for pouring molten metal (3) such as molten steel into the tundish (8), a pouring nozzle (4), and a solidified shell (3) of the molten metal (3) on the surface of the water-cooled roll (1). 9), a water-cooled reduction roll (II) that transfers and rolls the metal, a guide roll (6) that guides the cast and rolled thin plate (5), and a molten metal (3).
The main components include a nozzle that blows off surface oxides, slag, etc. with inert gas.
更に本発明の実施例を示す連続鋳造装置を詳細に説明す
ると、水冷″ロール（１）は水平に設置されており、図
示しない駆動装置により回転（矢印方向）駆動される。Further, to explain in detail a continuous casting apparatus showing an embodiment of the present invention, a water-cooled roll (1) is installed horizontally and is driven to rotate (in the direction of the arrow) by a drive device (not shown).
また水冷ロール（１）は、銅又は銅合金或は鋼材により
形成され、内部に水冷機構を内蔵するものであり、かつ
同水冷ロール（１）は溶湯（３）との接触面積を大きく
得るために相当大径のロールとなっている。In addition, the water-cooled roll (1) is made of copper, copper alloy, or steel and has a built-in water-cooling mechanism, and is designed to have a large contact area with the molten metal (3). It is a roll with a considerably large diameter.
一方この水冷ロールの周面と接触しているタンディシュ
（８）は、耐火、断熱性の優れた材料により形成されて
おり、水冷ロール（１）とタンディシュ（８）間へ溶湯
（３）を溜め、且つ外部への漏出を防止するよう、図示
しない圧下装置によりタンディシュ（８）を水冷ロール
（１）周面に圧下している。On the other hand, the tundish (8), which is in contact with the circumferential surface of the water-cooled roll, is made of a material with excellent fire resistance and heat insulation properties, and stores the molten metal (3) between the water-cooled roll (1) and the tundish (8). , and to prevent leakage to the outside, the tundish (8) is rolled down onto the circumferential surface of the water-cooled roll (1) by a rolling down device (not shown).
また前記水冷圧下ロール（１０）は、溶湯（３）が水冷
ロール（１）の表面に接触し、冷却されて形成される凝
固殻（９）を圧延、移送するもので、図示しない駆動装
置にて回転（矢印方向）駆動されている。また前記ガイ
ドロール（６）は製造された薄板を次の工程へ移送する
ものである。The water-cooled reduction roll (10) rolls and transfers the solidified shell (9) formed by the molten metal (3) coming into contact with the surface of the water-cooling roll (1) and being cooled. It is rotated (in the direction of the arrow). Further, the guide roll (6) is used to transport the manufactured thin plate to the next process.
このように溶湯（３）は取鍋（１１）より注湯ノズル（
４）を介してタンディシュ（８）に連続定量供給され、
ここで溶湯（３）は水冷ロール（］）と接触して冷却さ
れ、凝固殻（９）が形成されると共に、板厚Ｔの凝固殻
が水冷ロール（１）の回転に伴い導出される。 ・こ
の際タンディシュ（８）内の溶湯（３）の表面の酸化物
ならびにスラグ等を凝固殻（９）に付着させない様に、
ノズル（１２）を介して不活性ガスを吹き利けている。In this way, the molten metal (3) is poured from the ladle (11) to the pouring nozzle (
4) is continuously supplied to the tundish (8),
Here, the molten metal (3) is cooled by contacting the water-cooled roll (]) to form a solidified shell (9), and the solidified shell with a plate thickness T is drawn out as the water-cooled roll (1) rotates.・At this time, be careful not to allow oxides, slag, etc. on the surface of the molten metal (3) in the tundish (8) to adhere to the solidified shell (9).
Inert gas is blown through the nozzle (12).
次いで板厚Ｔの凝固殻（９）が形成されたのち、水冷圧
下ロール（（０）により、板厚Ｔの凝固殻（９）を板厚
ｔまで圧延することにより薄板（５）は表面性状のよい
均質な薄板となり、ガイドロール（６）により次の工程
へ移送される。Next, after a solidified shell (9) with a thickness T is formed, the solidified shell (9) with a thickness T is rolled to a thickness t using a water-cooled reduction roll (0), thereby improving the surface texture of the thin plate (5). This becomes a homogeneous thin plate with good hardness and is transferred to the next process by guide rolls (6).
以上詳細に説明した如く本発明によると、水冷ロール表
面に接触して形成された凝固殻の反ロール接触面に、ス
ラグ等の不純物が０着しないように、ノズルより不活性
ガスを吹伺けながらクンディシュ内溶湯から凝固殻を水
冷ロールに沿って引き上げ、水冷圧下ロールにより移送
圧延するので、所望厚みの薄板を連続して安定した状態
で得ることができる。即ち、水冷ロールの回転速度を制
御することにより、水°冷ロール表面に生成する凝固殻
の厚みを決め、水冷圧下ロールとの共同により所定肉厚
の薄板を確実に得ることができる。 。As explained in detail above, according to the present invention, inert gas is blown from the nozzle to prevent impurities such as slag from landing on the anti-roll contact surface of the solidified shell formed in contact with the water-cooled roll surface. However, since the solidified shell is pulled up from the molten metal in the kundish along water-cooled rolls and transferred and rolled by water-cooled reduction rolls, thin plates of desired thickness can be continuously and stably obtained. That is, by controlling the rotational speed of the water-cooled roll, the thickness of the solidified shell formed on the surface of the water-cooled roll can be determined, and in cooperation with the water-cooled reduction roll, a thin plate with a predetermined thickness can be reliably obtained. .
第１図は従来の薄板連続鋳造装置の縦断面図、第２図は
本発明の実施例を示す薄板連続ｖｊ造装置の縦断面図、
第３図は第２図の平面図である。
図の主要部分の説明
■・・・水冷ロール ３・・・溶湯４・・・・注湯
ノズル ５・・・薄板８・・・タンディシュ ９
・・・凝固殻１０・・・水冷圧下ロール１．２・・・ノ
ズル特許 出願人 三菱重工業株式会社
復代理人 弁理士 唐 木 貴 男、符人名ゝ・ ・
：゛・′−５
一１Ｘ・−１１FIG. 1 is a longitudinal cross-sectional view of a conventional thin plate continuous casting apparatus, and FIG. 2 is a longitudinal cross-sectional view of a continuous thin plate casting apparatus showing an embodiment of the present invention.
FIG. 3 is a plan view of FIG. 2. Explanation of the main parts of the diagram■... Water-cooled roll 3... Molten metal 4... Pouring nozzle 5... Thin plate 8... Tundish 9
... Solidified shell 10 ... Water-cooled reduction roll 1.2 ... Nozzle patent Applicant Mitsubishi Heavy Industries, Ltd. sub-agent Patent attorney Takao Karaki, personal name...
:゛・'-5 -1X・-11
Claims (1)
において、回転駆動される１本の水冷ロールと、同ロー
ルの周面に当接して配設され、溶湯が注湯されるタンデ
ィシュと、前記水冷ロール表面に接触し冷却されて形成
される同タンディシュ内の溶湯の凝固殻を、前記水冷ロ
ールと共に移送圧延する水冷圧下ロールと、前記水冷ロ
ール表面に接触する溶湯表面に不活性ガスを吹付けるノ
ズルとよりなることを特徴とする薄板連続鋳造装置。Continuous casting equipment for producing strip-shaped thin plates of ferrous and nonferrous metals (4) includes one water-cooled roll that is driven to rotate, and a tundish that is placed in contact with the circumferential surface of the roll and into which molten metal is poured. , a water-cooled reduction roll that transfers and rolls a solidified shell of the molten metal in the tundish that is cooled and formed in contact with the surface of the water-cooled roll, and an inert gas is applied to the surface of the molten metal that contacts the surface of the water-cooled roll; A thin plate continuous casting device characterized by a spray nozzle and more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13961081A JPS5841656A (en) | 1981-09-04 | 1981-09-04 | Continuous casting device for thin sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13961081A JPS5841656A (en) | 1981-09-04 | 1981-09-04 | Continuous casting device for thin sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5841656A true JPS5841656A (en) | 1983-03-10 |
Family
ID=15249290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13961081A Pending JPS5841656A (en) | 1981-09-04 | 1981-09-04 | Continuous casting device for thin sheet |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5841656A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60124032U (en) * | 1984-01-27 | 1985-08-21 | 富士通株式会社 | Vertical furnace for semiconductor wafer processing |
| EP0165456A2 (en) * | 1984-05-18 | 1985-12-27 | Irving Rossi | Process and apparatus for making thin steel slabs |
| JPS62159954U (en) * | 1986-04-01 | 1987-10-12 | ||
| US4709745A (en) * | 1984-05-18 | 1987-12-01 | Irving Rossi | Process and apparatus for making thin steel slabs |
| US4751957A (en) * | 1986-03-11 | 1988-06-21 | National Aluminum Corporation | Method of and apparatus for continuous casting of metal strip |
| US4828012A (en) * | 1988-04-08 | 1989-05-09 | National Aluminum Corporation | Apparatus for and process of direct casting of metal strip |
| US4903751A (en) * | 1988-11-04 | 1990-02-27 | Ribbon Technology Corporation | Two wheel melt overflow process and apparatus |
| EP1181997A1 (en) * | 2000-08-26 | 2002-02-27 | SMS Demag AG | Process and device for continuous casting of steel strip from molten steel |
-
1981
- 1981-09-04 JP JP13961081A patent/JPS5841656A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60124032U (en) * | 1984-01-27 | 1985-08-21 | 富士通株式会社 | Vertical furnace for semiconductor wafer processing |
| JPH0438516Y2 (en) * | 1984-01-27 | 1992-09-09 | ||
| EP0165456A2 (en) * | 1984-05-18 | 1985-12-27 | Irving Rossi | Process and apparatus for making thin steel slabs |
| US4709745A (en) * | 1984-05-18 | 1987-12-01 | Irving Rossi | Process and apparatus for making thin steel slabs |
| US4751957A (en) * | 1986-03-11 | 1988-06-21 | National Aluminum Corporation | Method of and apparatus for continuous casting of metal strip |
| JPS62159954U (en) * | 1986-04-01 | 1987-10-12 | ||
| US4828012A (en) * | 1988-04-08 | 1989-05-09 | National Aluminum Corporation | Apparatus for and process of direct casting of metal strip |
| US4903751A (en) * | 1988-11-04 | 1990-02-27 | Ribbon Technology Corporation | Two wheel melt overflow process and apparatus |
| WO1990005036A1 (en) * | 1988-11-04 | 1990-05-17 | Ribbon Technology Corporation | Two wheel melt overflow process and apparatus |
| EP1181997A1 (en) * | 2000-08-26 | 2002-02-27 | SMS Demag AG | Process and device for continuous casting of steel strip from molten steel |
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