JPH01107951A - Tundish for horizontal continuous casting - Google Patents
Tundish for horizontal continuous castingInfo
- Publication number
- JPH01107951A JPH01107951A JP62265875A JP26587587A JPH01107951A JP H01107951 A JPH01107951 A JP H01107951A JP 62265875 A JP62265875 A JP 62265875A JP 26587587 A JP26587587 A JP 26587587A JP H01107951 A JPH01107951 A JP H01107951A
- Authority
- JP
- Japan
- Prior art keywords
- nozzle
- tundish
- discharging
- molten metal
- molten steel
- 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
- 238000009749 continuous casting Methods 0.000 title claims description 11
- 238000007599 discharging Methods 0.000 claims abstract description 13
- 239000002184 metal Substances 0.000 claims description 52
- 229910000831 Steel Inorganic materials 0.000 abstract description 11
- 239000010959 steel Substances 0.000 abstract description 11
- 239000010953 base metal Substances 0.000 description 4
- 238000005266 casting Methods 0.000 description 3
- 238000013213 extrapolation Methods 0.000 description 2
- 239000011800 void material Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
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
- B22D11/10—Supplying or treating molten metal
- B22D11/11—Treating the molten metal
- B22D11/116—Refining the metal
- B22D11/118—Refining the metal by circulating the metal under, over or around weirs
-
- 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
- B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
- B22D11/045—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds for horizontal casting
- B22D11/047—Means for joining tundish to mould
-
- 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
- B22D11/10—Supplying or treating molten metal
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
この発明は、水平連続鋳造作業の鋳造終了時仁おいて、
タンディツシュ内の残った溶湯を排出する処理方法につ
いての水平連続鋳造用タンディツシュ関する。[Detailed Description of the Invention] [Industrial Application Field] This invention provides the following features:
The present invention relates to a tundish for horizontal continuous casting, and a method for discharging the remaining molten metal in the tundish.
［従来技術］
水平連続鋳造は、タンディツシュ側壁下部に水平方向に
モールドが設けられ、前記モールドにより水平方向に鋳
片が引き出されて連続鋳造される。前記モールドとタン
ディツシュはフィードノズルを介して直結されている。[Prior Art] In horizontal continuous casting, a mold is provided horizontally at the lower part of the side wall of a tundish, and a slab is pulled out horizontally by the mold to perform continuous casting. The mold and the tundish are directly connected through a feed nozzle.
第４図は従来の水平連続鋳造のタンディツシュを示す断
面図である。１はタンディツシュ、２は溶湯、３はフィ
ードノズル、４はモールド、５は外挿式プラグ、６は残
湯排出用ノズル、７は凝固固着した地金、°８は溶湯の
流れ、９はタンディツシュの側壁、１゜はタンディツシ
ュの底部である。溶湯２はタンディツシュ１に保持され
て、フィードノズル３をとおってモールド４に流入する
。鋳造終了時溶湯２の表面が、モールド４の上面を下回
ると、モールド４の上面に空隙を生ずる。この空隙が生
ずるとモールド４内に溶湯が充満しないので、正規のビ
レット形状が確保できない、これを避ける為にタンディ
ツシュ１内の残った溶湯２をタンディツシュ１の底部の
残湯排出用ノズル６に挿着された外挿式プラグ５を引き
抜くことにより残湯排出用ノズル７から流出させていた
。FIG. 4 is a sectional view showing a conventional horizontal continuous casting tundish. 1 is a tundish, 2 is a molten metal, 3 is a feed nozzle, 4 is a mold, 5 is an extrapolation plug, 6 is a nozzle for discharging residual metal, 7 is solidified metal, °8 is a flow of molten metal, 9 is a tundish The side wall of 1° is the bottom of the tandish. The molten metal 2 is held in the tundish 1 and flows into the mold 4 through the feed nozzle 3. When the surface of the molten metal 2 falls below the upper surface of the mold 4 at the end of casting, a void is created on the upper surface of the mold 4. If this void occurs, the mold 4 will not be filled with molten metal, making it impossible to secure a regular billet shape. To avoid this, the remaining molten metal 2 in the tundish 1 is inserted into the residual metal discharge nozzle 6 at the bottom of the tundish 1. By pulling out the attached external plug 5, the remaining hot water was discharged from the nozzle 7.
［発明が解決しようとする問題点］
しかしながらこのタンディツシュ１内に溶湯２を鋳造中
の溶湯の流れ８はタンディツシュ１内のフィードノズル
３の方向に流れるので、タンディツシュ１中中のフロン
トノズル３の対向した側壁９およびその底部１０が温度
が下がり溶湯が凝固固着した地金７が発生し、外挿式プ
ラグ５を抜いても溶湯が流出しない又、外挿式プラグ５
がちぎれてうまく抜けないという問題があった。[Problems to be Solved by the Invention] However, when the molten metal 2 is being cast in the tundish 1, the flow 8 of the molten metal flows in the direction of the feed nozzle 3 in the tundish 1. The temperature of the side wall 9 and its bottom 10 decreases, and the molten metal solidifies and adheres to the base metal 7, and the molten metal does not flow out even when the external plug 5 is removed.
There was a problem with it tearing off and not coming off properly.
この発明はかかる事情に鑑みてなされたものであって、
外挿式プラグの周りが凝固固着せず、外挿式プラグを抜
いた時に、残湯排出用ノズルがらすぐに溶湯が流出する
ようにすることを目的とする。This invention was made in view of such circumstances, and
The purpose is to prevent the area around the external plug from solidifying and sticking, and to allow molten metal to immediately flow out from a nozzle for discharging residual metal when the external plug is removed.
［問題点を解決するための手段］
この発明に係る水平連続鋳造用タンディツシュはタンデ
ィツシュの内側の側壁の一方の下部に水平方向のモール
ドに溶湯を供給するフィードノズルと、前記タンディツ
シュの内側の側壁の一方の下部に水平方向のモールドに
溶湯を供給するフィードノズルに対向した位置に残湯排
出用ノズルと前記残湯排出用ノズルに挿着された外挿式
プラグと、前記フィードノズルと前記残湯排出用ノズル
の間に溶湯が流入する開孔部を有する湯道管が接続され
、前記湯道管の開孔部は前記残湯排出用ノズルの近傍に
設けたことを特徴とする。[Means for Solving the Problems] A tundish for horizontal continuous casting according to the present invention has a feed nozzle for supplying molten metal to a horizontal mold at the bottom of one of the inner side walls of the tundish, and a feed nozzle for supplying molten metal to a horizontal mold, and a feed nozzle for supplying molten metal to a horizontal mold. A residual metal discharge nozzle is disposed at a position opposite to a feed nozzle that supplies molten metal to a horizontal mold at the bottom of one side, and an external plug inserted into the residual metal discharge nozzle, and the feed nozzle and the residual metal A runner having an opening through which molten metal flows is connected between the discharge nozzles, and the opening of the runner is provided near the residual metal discharge nozzle.
［作用］
この発明は以上のように構成されているので、溶湯排出
用ノズルに近傍した位置から溶湯が流入し、常にこの近
傍が高温に保たれているので溶湯が凝固固着した地金が
発生することは無く、かつ外挿式プラグ引抜作業がスム
ーズにできる。[Function] Since the present invention is configured as described above, the molten metal flows from a position near the molten metal discharge nozzle, and since this area is always kept at a high temperature, the molten metal solidifies and sticks to the base metal. There is nothing to do, and the work of pulling out the external plug can be done smoothly.
［実施例］
以下に添付図面を参照してこの発明の一実施例を詳細に
説明する。[Embodiment] An embodiment of the present invention will be described in detail below with reference to the accompanying drawings.
第１図はこの発明の水平連続鋳造用タンディツシュの一
実施例の断面図である。第２図は第１図のｘ−ｘ’の断
面図である。第３図は第１図の平面図である。１１は溶
湯が流入する開孔部、１２は開孔部を有する湯道管であ
る。その他の図面の符号従来技術で説明した符号と同一
である。開孔部を有する湯道管１２は耐火物で構成され
ており、その内部は円形で空洞となっている。その開孔
部を有する湯道管１２は一端はフィードノズル３に接着
され、他端は残湯排出ノズル６に接着されている。溶湯
が流入する開孔部１１は湯道管１２の上方で残湯排出ノ
ズル６に近傍に設置されている。FIG. 1 is a sectional view of an embodiment of a tundish for horizontal continuous casting according to the present invention. FIG. 2 is a sectional view taken along line xx' in FIG. 1. FIG. 3 is a plan view of FIG. 1. Reference numeral 11 indicates an opening into which the molten metal flows, and 12 indicates a runner having an opening. Reference symbols in other drawings are the same as those described in the prior art. The runner 12 having an opening is made of refractory material, and the inside thereof is circular and hollow. One end of the runner pipe 12 having the opening is bonded to the feed nozzle 3, and the other end is bonded to the remaining hot water discharge nozzle 6. The opening 11 into which the molten metal flows is installed above the runner pipe 12 and near the residual metal discharge nozzle 6.
次にこの実施例の動作について説明する。Next, the operation of this embodiment will be explained.
タンディツシュ１の内側は溶湯２を受ける前に燃料等で
（１２００〜１３００℃）予熱し、その後取鍋（図示せ
ず）から溶湯２をタンディツシュ１の底部１０に向けて
注入させる。タンディツシュ１に注入された、溶湯２は
開孔部１１（例えば１００ ＋ａ＋ｉΦ）から湯道管１
２（例えば１３０龍Φ）に流入し、湯道管１２に溶湯２
が充満し、側壁９のある高さ（例えば５００ｍｍｈ）に
到達するとモールド４の中に挿着されている引抜装置（
図示せず）を作動し、モールド４より鋳片を引き抜く、
そうすると湯道管１２の溶湯２がモールド４内に移動す
るので、タンディツシュ１内の溶鋼２が開孔部１１から
湯道管１２に流入する。その溶湯の流れ８はフィードノ
ズル３の近傍を流れるのでその場所は常に高温の溶湯２
が流れるので、溶湯２が凝固固着した地金７が発生する
ことはない、従って鋳造末期の湯道管１２の上端に溶湯
２のレベルが達したときに残湯排出ノズル６の外挿式プ
ラグ５を引抜くとすみやかに溶湯が流出する。Before receiving the molten metal 2, the inside of the tundish 1 is preheated with fuel (1200 to 1300°C), and then the molten metal 2 is poured from a ladle (not shown) toward the bottom 10 of the tundish 1. The molten metal 2 injected into the tundish 1 flows through the runner pipe 1 through the opening 11 (for example, 100 + a + iΦ).
2 (for example, 130 Dragon Φ), and the molten metal 2 flows into the runner pipe 12.
When the side wall 9 reaches a certain height (e.g. 500 mmh), the extraction device inserted into the mold 4 (
(not shown) to pull out the slab from the mold 4.
Then, the molten metal 2 in the runner 12 moves into the mold 4, so the molten steel 2 in the tundish 1 flows into the runner 12 through the opening 11. Since the flow 8 of the molten metal flows near the feed nozzle 3, the molten metal 2 is always at a high temperature at that location.
Since the molten metal 2 flows, the base metal 7 that is solidified and fixed will not be generated. Therefore, when the level of the molten metal 2 reaches the upper end of the runner pipe 12 at the end of casting, the external plug of the residual metal discharge nozzle 6 is removed. When 5 is pulled out, the molten metal flows out immediately.
第１表は、従来法と本発明の実施例の外挿式プラグ５部
への地金７の付着による開孔率を示す。Table 1 shows the open area ratio of the base metal 7 attached to the 5 parts of the extrapolation type plug in the conventional method and the embodiment of the present invention.
この表から明らかなように本発明の実施例では開孔率は
１００％であった。。As is clear from this table, the porosity was 100% in the examples of the present invention. .
第１表
［発明の効果］
この発明の水平連続鋳造用タンディツシュによると、鋳
造終了時溶鋼を排出する際の開孔率が飛躍的に向上する
。Table 1 [Effects of the Invention] According to the tundish for horizontal continuous casting of the present invention, the porosity when discharging molten steel at the end of casting is dramatically improved.
第１図はこの発明の水平連続鋳造用タンディツシュの一
実施例の断面図、第２図は第１図のＸ−Ｘ′の断面図、
第３図は第１図の平面図、第４図は従来の水平連続鋳造
のタンディツシュを示す断面図である。
１・・・タンディツシュ、２・・・溶湯、３・・・フィ
ードノズル、４・・・モールド、５・・・外挿式プラグ
、６・・・残湯排出用ノズル、９・・・底壁、１１・・
・溶湯が流入する開孔部、１２・・・開孔部を有する湯
道管。
特許出願人 日本鋼管株式会社
ｓ２図
第４図FIG. 1 is a sectional view of an embodiment of a tundish for horizontal continuous casting of the present invention, FIG. 2 is a sectional view taken along line X-X' in FIG. 1,
FIG. 3 is a plan view of FIG. 1, and FIG. 4 is a sectional view showing a conventional horizontal continuous casting tundish. DESCRIPTION OF SYMBOLS 1... Tandish, 2... Molten metal, 3... Feed nozzle, 4... Mold, 5... External plug, 6... Remaining metal discharge nozzle, 9... Bottom wall , 11...
- A runner pipe having an opening through which molten metal flows, 12... an opening. Patent applicant: Nippon Kokan Co., Ltd. s2 Figure 4
Claims (1)
のモールドに溶湯を供給するフィードノズルと、前記タ
ンディッシュの内側の側壁の一方の下部に水平方向のモ
ールドに溶湯を供給するフィードノズルに対向した位置
に残湯排出用ノズルと前記残湯排出用ノズルに挿着され
た外挿式プラグと、前記フィードノズルと前記残湯排出
用ノズルの間に溶湯が流入する開孔部を有する湯道管が
接続され、前記湯道管の開孔部は前記残湯排出用ノズル
の近傍に設けたことを特徴とする水平連続鋳造用タンデ
ィッシュ。A feed nozzle for supplying the molten metal to the horizontal mold at the bottom of one of the inner side walls of the tundish, and a feed nozzle for supplying the molten metal to the horizontal mold at the bottom of one of the inner side walls of the tundish. A runner pipe having a nozzle for discharging residual metal at a position, an external plug inserted into the nozzle for discharging residual metal, and an opening through which molten metal flows between the feed nozzle and the nozzle for discharging residual metal. A tundish for horizontal continuous casting, characterized in that the runner is connected to the runner, and the opening of the runner is provided near the residual metal discharge nozzle.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62265875A JPH01107951A (en) | 1987-10-21 | 1987-10-21 | Tundish for horizontal continuous casting |
| KR1019880013684A KR920000515B1 (en) | 1987-10-21 | 1988-10-20 | Tundish for horizontal continuous casting |
| EP88117499A EP0313052B1 (en) | 1987-10-21 | 1988-10-20 | Tundish for horizontal continuous casting |
| ES88117499T ES2022570B3 (en) | 1987-10-21 | 1988-10-20 | HORIZONTAL SPILL FOR CONTINUOUS FUNCTION. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62265875A JPH01107951A (en) | 1987-10-21 | 1987-10-21 | Tundish for horizontal continuous casting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01107951A true JPH01107951A (en) | 1989-04-25 |
| JPH0575499B2 JPH0575499B2 (en) | 1993-10-20 |
Family
ID=17423310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62265875A Granted JPH01107951A (en) | 1987-10-21 | 1987-10-21 | Tundish for horizontal continuous casting |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0313052B1 (en) |
| JP (1) | JPH01107951A (en) |
| KR (1) | KR920000515B1 (en) |
| ES (1) | ES2022570B3 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO302804B1 (en) * | 1995-09-08 | 1998-04-27 | Norsk Hydro As | Equipment for horizontal direct cooled casting of light metals, especially magnesium and magnesium alloys |
| CN1906293A (en) | 2005-03-08 | 2007-01-31 | 科学技术研究院 | Immobilised enzymes |
| KR101852305B1 (en) * | 2017-08-24 | 2018-04-25 | 국방기술품질원 | Spoke and Non-Pneumatic Tire using the same |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE786630A (en) * | 1971-08-12 | 1973-01-24 | Technicon Instr | METHOD AND APPARATUS FOR THE CONTINUOUS CASTING OF METAL IN COOLED CLOSED MOLD AT ONE END |
| DE2825360C2 (en) * | 1978-06-09 | 1983-10-27 | Fried. Krupp Gmbh, 4300 Essen | Induction heated trough for feeding metal into a continuous casting mold |
| DE3447987C1 (en) * | 1984-03-30 | 1986-04-17 | Mannesmann AG, 4000 Düsseldorf | Horizontal continuous casting installation |
-
1987
- 1987-10-21 JP JP62265875A patent/JPH01107951A/en active Granted
-
1988
- 1988-10-20 ES ES88117499T patent/ES2022570B3/en not_active Expired - Lifetime
- 1988-10-20 KR KR1019880013684A patent/KR920000515B1/en not_active IP Right Cessation
- 1988-10-20 EP EP88117499A patent/EP0313052B1/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP0313052A1 (en) | 1989-04-26 |
| ES2022570B3 (en) | 1991-12-01 |
| KR920000515B1 (en) | 1992-01-14 |
| EP0313052B1 (en) | 1991-06-12 |
| KR890006326A (en) | 1989-06-13 |
| JPH0575499B2 (en) | 1993-10-20 |
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