JPH04197555A - Mold for horizontal continuous casting having excellent wear resistance - Google Patents
Mold for horizontal continuous casting having excellent wear resistanceInfo
- Publication number
- JPH04197555A JPH04197555A JP32823990A JP32823990A JPH04197555A JP H04197555 A JPH04197555 A JP H04197555A JP 32823990 A JP32823990 A JP 32823990A JP 32823990 A JP32823990 A JP 32823990A JP H04197555 A JPH04197555 A JP H04197555A
- Authority
- JP
- Japan
- Prior art keywords
- mold
- copper
- continuous casting
- tungsten
- horizontal continuous
- 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
- 238000009749 continuous casting Methods 0.000 title claims abstract description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910052802 copper Inorganic materials 0.000 claims abstract description 12
- 239000010949 copper Substances 0.000 claims abstract description 12
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052721 tungsten Inorganic materials 0.000 claims abstract description 8
- 239000010937 tungsten Substances 0.000 claims abstract description 8
- 229910000881 Cu alloy Inorganic materials 0.000 claims abstract description 3
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 10
- 239000010959 steel Substances 0.000 description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 229910002804 graphite Inorganic materials 0.000 description 4
- 239000010439 graphite Substances 0.000 description 4
- 238000005266 casting Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000010079 rubber tapping Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010963 304 stainless steel Substances 0.000 description 1
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
Landscapes
- Continuous Casting (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は、水平連続鋳造装置のタンディツシュにブレー
クリング等の耐火物を介して水平に連結されるモールド
に関するものである。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a mold that is horizontally connected to a tundish of a horizontal continuous casting apparatus via a refractory such as a break ring.
（従来の技術）
鋼の連続鋳造において、タンディツシュ下部より水平方
向に鋳片を引抜く水平連続鋳造法は、垂直式および湾曲
式連続鋳造法に比較して設備費か安価であるはかりてな
くタンディツシュとモールドとの間で溶鋼か大気に接す
ることかないので、溶鋼の２次酸化の問題かなく、内部
性状のすぐれた鋳片を製造することかできる利点かある
。(Prior art) In the continuous casting of steel, the horizontal continuous casting method, in which slabs are pulled out horizontally from the bottom of the tundish, has lower equipment costs than the vertical and curved continuous casting methods. Since the molten steel does not come into contact with the atmosphere between the mold and the mold, there is no problem of secondary oxidation of the molten steel, and there is an advantage that slabs with excellent internal properties can be produced.
かかる鋼の水平連続鋳造法に従来用いられている水平連
続鋳造装置において、タンディツシュの出鋼ノズルに連
結される銅または調合金製の高冷却機能を有する水冷モ
ールドの溶鋼供給端部の内周壁に、実開昭５７−５２２
４７号公報に開示されているように、適当な厚さと長さ
とを有し、耐熱性と高温強度を有するとともに冷却性能
か比較的低い、例えは黒鉛またはカラス状カーホンまた
は黒鉛板等て形成された環状部材をその内周面か水冷モ
ールドの内周壁の内周面とほぼ面一となるように嵌着固
定し、これにより水冷鋳型における最初の溶鋼接触部分
か黒鉛板等からなる環状部材で形成され、この部分にお
ける冷却機能か低いとによりこの部分ては凝固シェルか
形成されないか、または薄い凝固シェルしか形成されず
、溶鋼の凝固シ工ルの焼付やスティック現象か発生する
ことかなζなり、環状部材の内周面に接触して形成され
た凝固シェルか引き続き水冷モールドの水冷壁の内周面
によって急速に冷却されて強固な凝固シェルを形成する
ことにより通常の連続鋳造設備と同程度の引抜速度での
鋳込みか可能であることか知られている。In the horizontal continuous casting apparatus conventionally used for horizontal continuous casting of steel, a water-cooled mold made of copper or prepared alloy and having a high cooling function is connected to the tapping nozzle of the tundish, and the inner circumferential wall of the molten steel supply end is , Utsukai Showa 57-522
As disclosed in Japanese Patent No. 47, it has a suitable thickness and length, has heat resistance and high-temperature strength, and has relatively low cooling performance, for example, is made of graphite, a glass-like carphone, or a graphite plate. The annular member made of a graphite plate or the like is fitted and fixed so that its inner circumferential surface is almost flush with the inner circumferential surface of the inner circumferential wall of the water-cooled mold. However, if the cooling function in this part is low, a solidified shell may not be formed in this part, or only a thin solidified shell may be formed, which may cause seizure or stick phenomenon of the solidified shell of molten steel. The solidified shell formed in contact with the inner circumferential surface of the annular member is then rapidly cooled by the inner circumferential surface of the water-cooled wall of the water-cooled mold to form a strong solidified shell, which is equivalent to ordinary continuous casting equipment. It is known that it is possible to cast at a drawing speed of .
しかしながら、上記公報に開示されているような黒鉛板
またはガラス状カーホン製の環状部材は潤滑性は良いか
、耐摩耗性か悪く、炭素は溶鋼と反応し、鋳造中に表面
側から順次に損失するため鋳型の寿命か短いという問題
かあり、また、部分的な欠損、脱落および線状疵等が発
生する結果として引抜負荷か大きくなり、ブレークアウ
ト事故か発生し易いという問題かある。However, the annular member made of graphite plate or glassy carphone as disclosed in the above publication has good lubricity but poor wear resistance, and carbon reacts with molten steel, resulting in loss sequentially from the surface side during casting. Therefore, there is a problem that the life of the mold is short, and as a result of the occurrence of partial breakage, falling off, linear flaws, etc., the pullout load increases, and there is a problem that breakout accidents are likely to occur.
（発明か解決しようとする課題）
本発明の目的は、上述した問題を解決し、鋳型の寿命を
向上させようとするものである。(Problems to be Solved by the Invention) An object of the present invention is to solve the above-mentioned problems and to improve the life of the mold.
（課題を解決するための手段）
これかため、本発明によれは、ブレークリング等の耐火
物を介してタンディツシュに水平に連結される水平連続
鋳造用モールドにおいて、前記ブレークリングとモール
ドとの接触面からモールＦ比口側に向かって、銅又は銅
合金製モールド内表面に純タングステンを金属接合又は
焼きはめしたことを特徴とする。(Means for Solving the Problems) Accordingly, the present invention provides a horizontal continuous casting mold that is horizontally connected to a tundish through a refractory such as a break ring, in which the break ring and the mold are in contact with each other. It is characterized in that pure tungsten is metallically bonded or heat-fitted to the inner surface of a copper or copper alloy mold from the surface toward the mold F ratio side.
（作 用）
タングステンの熱伝導率は純銅の４０９ｆ５てあり、モ
ールド内面は高温度となるか、高温下ての強度は銅に比
へてタングステンか十分高く、摩耗量は低い。したかっ
て、モールドの摩耗量を減少させ、寿命を増大させるこ
とかできる。(Function) The thermal conductivity of tungsten is 409F5 of pure copper, and the inner surface of the mold is at a high temperature, and the strength of tungsten at high temperatures is sufficiently higher than that of copper, and the amount of wear is low. Therefore, it is possible to reduce the amount of wear on the mold and increase its life.
（実施例）
第１図は本発明による一実施例を示し、図示の例では、
水平連続鋳造装置のタンディツシュｌの出鋼ノズル２に
ブレークリング３を介して密封連結された純銅製の水冷
モールド４を示す。(Embodiment) FIG. 1 shows an embodiment according to the present invention, and in the illustrated example,
A water-cooled mold 4 made of pure copper is shown hermetically connected to a tapping nozzle 2 of a tanditshu 1 of a horizontal continuous casting machine via a break ring 3.
この純銅製水冷モールド４の溶鋼供給端部４ａの内周壁
４ｂに切欠部４Ｃを設け、この切欠部４Ｃの断面形状に
一致する断面形状のタンクステンスリーブ５を切欠部４
ｃ内に嵌着して固定している。A notch 4C is provided in the inner circumferential wall 4b of the molten steel supply end 4a of the pure copper water-cooled mold 4, and a tank stainless steel sleeve 5 having a cross-sectional shape matching the cross-sectional shape of the notch 4C is attached to the notch 4.
It is fitted and fixed inside c.
図中、６は溶鋼、７は凝固シェル、８は鋳片、９はピン
チロールを示す。In the figure, 6 is molten steel, 7 is a solidified shell, 8 is a slab, and 9 is a pinch roll.
本発明に係る上記装置によってＳＵＳ ３０４ステンレ
ス鋼を直径１０珊の鋳片として鋳造した。鋳造開始後、
１００分経過後のモールド端部の摩耗量は０．０１ｍｍ
であった。SUS 304 stainless steel was cast as a slab with a diameter of 10 mm using the above-described apparatus according to the present invention. After starting casting,
The amount of wear on the mold end after 100 minutes is 0.01mm.
Met.
一方、従来モールドを用いて同し条件で鋳造したときの
モールド端部の摩耗量は０．２ｍｍであった。On the other hand, when casting was performed using a conventional mold under the same conditions, the amount of wear at the mold end was 0.2 mm.
（発明の効果）
本発明によれば、水冷モールドの摩耗量か減少し、寿命
を増大させることかでき、これに伴い、メンテナンスも
減少し、鋳片の製造コストを低減させることかできる。(Effects of the Invention) According to the present invention, the amount of wear of the water-cooled mold can be reduced and the lifespan can be increased, and accordingly, maintenance can be reduced, and the manufacturing cost of slabs can be reduced.
第１図は本発明による水冷モールドを具える水平連続鋳
造装置の概略部分断面図である。
１・・・タンディツシュ
２・・・出鋼ノズル
３・・・ブレークリング
４・・・水冷モールド
５・・・タンクステンスリーブ
６・・・溶鋼
７・・・凝固シェル
８・・・鋳片
９・・・ピンチロールFIG. 1 is a schematic partial sectional view of a horizontal continuous casting apparatus equipped with a water-cooled mold according to the present invention. 1...Tandish 2...Tapping nozzle 3...Break ring 4...Water-cooled mold 5...Tank stainless steel sleeve 6...molten steel 7...solidified shell 8...slab 9.・・Pinch roll
Claims (1)
に水平に連結される水平連続鋳造用モールドにおいて、
前記ブレークリングとモールドとの接触面からモールド
出口側に向かって、銅又は銅合金製モールド内表面に純
タングステンを金属接合又は焼きばめしたことを特徴と
する耐摩耗性に優れた水平連続鋳造用モールド。1. In a horizontal continuous casting mold that is horizontally connected to a tundish via a refractory such as a break ring,
Horizontal continuous casting with excellent wear resistance, characterized in that pure tungsten is metallically bonded or shrink-fitted to the inner surface of a copper or copper alloy mold from the contact surface between the break ring and the mold toward the mold exit side. mold for.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32823990A JPH04197555A (en) | 1990-11-28 | 1990-11-28 | Mold for horizontal continuous casting having excellent wear resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32823990A JPH04197555A (en) | 1990-11-28 | 1990-11-28 | Mold for horizontal continuous casting having excellent wear resistance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04197555A true JPH04197555A (en) | 1992-07-17 |
Family
ID=18207998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP32823990A Pending JPH04197555A (en) | 1990-11-28 | 1990-11-28 | Mold for horizontal continuous casting having excellent wear resistance |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04197555A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006049365A1 (en) * | 2004-11-04 | 2006-05-11 | Korea Institute Of Machinery And Materials | An apparatus for horizontal continuous casting of magnesium alloys plate and manufacturing method thereof |
| JP2007290037A (en) * | 2006-03-31 | 2007-11-08 | Dowa Holdings Co Ltd | Apparatus and method for casting zinc, and zinc rod and method for manufacturing zinc rod |
-
1990
- 1990-11-28 JP JP32823990A patent/JPH04197555A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006049365A1 (en) * | 2004-11-04 | 2006-05-11 | Korea Institute Of Machinery And Materials | An apparatus for horizontal continuous casting of magnesium alloys plate and manufacturing method thereof |
| US7814962B2 (en) | 2004-11-04 | 2010-10-19 | Korea Institute Of Machinery And Materials | Apparatus for horizontal continuous casting of magnesium alloys plate and manufacturing method thereof |
| JP2007290037A (en) * | 2006-03-31 | 2007-11-08 | Dowa Holdings Co Ltd | Apparatus and method for casting zinc, and zinc rod and method for manufacturing zinc rod |
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