JPH074657B2 - Molten metal flow controller and molten metal discharge stop method - Google Patents
Molten metal flow controller and molten metal discharge stop methodInfo
- Publication number
- JPH074657B2 JPH074657B2 JP29396489A JP29396489A JPH074657B2 JP H074657 B2 JPH074657 B2 JP H074657B2 JP 29396489 A JP29396489 A JP 29396489A JP 29396489 A JP29396489 A JP 29396489A JP H074657 B2 JPH074657 B2 JP H074657B2
- Authority
- JP
- Japan
- Prior art keywords
- molten metal
- gas blowing
- discharge hole
- blowing member
- flow rate
- 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.)
- Expired - Fee Related
Links
- 239000002184 metal Substances 0.000 title claims description 60
- 238000000034 method Methods 0.000 title claims description 6
- 238000007664 blowing Methods 0.000 claims description 33
- 238000005266 casting Methods 0.000 claims description 19
- 230000000903 blocking effect Effects 0.000 claims description 11
- 238000007599 discharging Methods 0.000 claims 5
- 239000007789 gas Substances 0.000 description 30
- 239000011449 brick Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000008023 solidification Effects 0.000 description 3
- 238000007711 solidification Methods 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
- Furnace Charging Or Discharging (AREA)
Description
【発明の詳細な説明】 （産業上の利用分野） 取鍋及びタンディッシュ等の溶融金属容器に取付け、溶
融金属を排出する場合に使用されるスライドバルブ装置
及び溶融金属排出停止法に関するもので、特にガス吹き
可能なプレート煉瓦を有するスライドバルブ装置及び溶
融金属排出停止法に関する。DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to a slide valve device and a method for stopping molten metal discharge which are attached to a molten metal container such as a ladle and a tundish to discharge molten metal, In particular, it relates to a slide valve device having a plate brick capable of blowing gas and a method for stopping molten metal discharge.
（従来の技術） 第３図〜第７図に示す如く、溶融金属排出孔３を有する
２枚以上のプレート煉瓦から構成されるスライドバルブ
装置において、スライドプレート２−１〜２−３を閉に
した場合に、ノズル１内溶融金属が凝固することを防ぐ
目的でノズル１内にArガス等の不活性ガスを吹込むこと
が一般的である。(Prior Art) As shown in FIGS. 3 to 7, in a slide valve device composed of two or more plate bricks having a molten metal discharge hole 3, slide plates 2-1 to 2-3 are closed. In such a case, it is common to blow an inert gas such as Ar gas into the nozzle 1 for the purpose of preventing the molten metal in the nozzle 1 from solidifying.
（発明が解決しようとする課題） 従来実施されている技術でのガス吹き部材４の位置と摺
動ストロークとの関係及びその問題点を以下に述べる。(Problems to be Solved by the Invention) The relationship between the position of the gas blowing member 4 and the sliding stroke and its problems in the conventionally practiced technology will be described below.
A.閉方向ストロークエンドにガス吹き部材を設ける場
合、第３図及び第４図に示す如くガス吹部材４をスライ
ドプレート２−１の閉方向ストロークエンド位置に設
け、このストロークエンド位置で鋳造を終了する。A. When a gas blowing member is provided at the closing stroke end, the gas blowing member 4 is provided at the closing stroke end position of the slide plate 2-1 as shown in FIGS. 3 and 4, and casting is performed at this stroke end position. finish.
（問題点） （１） 鋳造終了時、スライドプレート２−１を閉にし
て溶融金属を止める場合ガス供給を止める為、ガス吹部
材４に溶融金属が侵入し凝固する。従って、このスライ
ドプレート２−１は再使用することが出来ない。(Problem) (1) When the molten metal is stopped by closing the slide plate 2-1 at the end of casting, the molten metal enters the gas blowing member 4 and solidifies because the gas supply is stopped. Therefore, this slide plate 2-1 cannot be reused.
B.閉方向ストロークエンドにガス吹き部材を設け、その
ストロークL3を１項の場合より長くする場合。（l3＞
l2,L3＞L2） 第５図及び第６図に示す如く、溶融金属排出孔３とガス
吹き部材４との間l3で鋳造終了する。B. When a gas blowing member is installed at the stroke end in the closing direction and its stroke L 3 is made longer than in the case of item 1. (L 3 ＞
l 2 , L 3 > L 2 ) As shown in FIGS. 5 and 6, the casting is completed at l 3 between the molten metal discharge hole 3 and the gas blowing member 4.
（問題点） （１） 鋳造スタート時、及び鋳造途中でガス吹き部材
４をノズル１位置に合わせガス吹きする場合、ガス吹き
部材４と溶融金属排出孔３との距離、つまりストローク
L3が長過ぎるため、その熱伝導によりガス吹き部材４の
温度が低く、又溶融金属排出孔３からガス吹き部材４へ
の切替え時間が長い。(Problems) (1) When the gas blowing member 4 is aligned with the nozzle 1 position and gas is blown at the start of casting and during casting, the distance between the gas blowing member 4 and the molten metal discharge hole 3, that is, the stroke
Since L 3 is too long, the temperature of the gas blowing member 4 is low due to its heat conduction, and the time for switching from the molten metal discharge hole 3 to the gas blowing member 4 is long.
従って、ノズル内溶融金属が凝固し易くなる。Therefore, the molten metal in the nozzle is likely to solidify.
（２） 鋳造時はノズルを絞る為、第６図に示す如くス
ライドプレート２−２の絞り部６は溶損される。(2) Since the nozzle is throttled during casting, the throttle portion 6 of the slide plate 2-2 is melted and damaged as shown in FIG.
従って、鋳造終了時スライドプレート２−２を閉にして
溶融金属を止める場合スライドプレート２−２のＳの範
囲にノズル１の位置を合わせる必要があるため、ストロ
ークL3が長くなる。又短いと溶融金属を完全に止めるこ
とが出来ない。Therefore, it is necessary to align the nozzle 1 in a range of S when the slide plate 2-2 casting end the slide plate 2-2 in the closed stop molten metal, the stroke L 3 becomes longer. If it is too short, the molten metal cannot be completely stopped.
C.閉方向ストロークエンド位置と溶融金属排出孔との間
にガス吹き部材を設ける場合。C. When installing a gas blowing member between the closing stroke end position and the molten metal discharge hole.
第７図に示す如く、ストロークエンド位置で鋳造終了す
る。As shown in FIG. 7, casting is completed at the stroke end position.
（問題点） 鋳造終了時、ノズル１内溶融金属が、ガス吹き部材５の
上を通過する為、ガス吹き部材を損傷し易くなる。(Problem) Since the molten metal in the nozzle 1 passes over the gas blowing member 5 at the end of casting, the gas blowing member is easily damaged.
以上、従来技術では種々問題点があり、プレート煉瓦の
再使用、ノズル内溶融金属の凝固防止等完全では無い。As described above, the related art has various problems, and it is not perfect to reuse plate bricks and prevent solidification of molten metal in the nozzle.
（課題を解決するための手段） 本発明者等は前述の如き従来方式の課題を解決すべく種
々検討、実験の結果、本発明の開発に成功したものであ
り、本発明の技術的構成は前記特許請求の範囲各項に明
記したとおりであるが、本発明の具体例を示す添付図面
に基いて詳細に説明する。(Means for Solving the Problems) The inventors of the present invention succeeded in developing the present invention as a result of various examinations and experiments for solving the problems of the conventional method as described above, and the technical configuration of the present invention is as follows. As described in the claims, the detailed description will be given with reference to the accompanying drawings showing specific examples of the present invention.
第１図は本発明流量制御装置の縦断面略図、第２図はそ
のスライドプレートの平面図である。FIG. 1 is a schematic vertical sectional view of a flow rate control device of the present invention, and FIG. 2 is a plan view of a slide plate thereof.
図示の如く、スライドプレート２にはそのほゞ中央部近
くに溶融金属排出孔３を穿設し、スライドプレート２の
摺動方向で、該排出孔３の一方側にガス吹き部材４が配
設してある。このガス吹き部材４の配設手段等は従来方
式と同様である。スライドプレート２の摺動方向でかつ
該排出孔３の他方側には溶融金属遮断部５がある。（第
２図で仮想線で示す） 前述した排出孔３、ガス吹き部材４及び溶融金属遮断部
５との関係は排出孔３の直径Ｄに基づいて下記の間隔と
する： （１） 排出孔中心とガス吹き部材中心間の間隔S2及び
排出孔中心と溶融金属遮断部中心間の間隔S1は1.1〜3.0
Dである。但し溶融金属の流量を制御する（絞り注入）
位置が前記排出孔３の摺動方向の前後によって下記の関
係が最適である： （２） 該排出孔と溶融金属遮断部間で流量を制御する
場合、前記S1は1.5〜3.0Dであり、前記S2が1.1〜2.5Dで
ある。As shown in the figure, the slide plate 2 is provided with a molten metal discharge hole 3 near the center thereof, and a gas blowing member 4 is arranged on one side of the discharge hole 3 in the sliding direction of the slide plate 2. I am doing it. The means for arranging the gas blowing member 4 and the like are similar to those of the conventional method. There is a molten metal blocking portion 5 in the sliding direction of the slide plate 2 and on the other side of the discharge hole 3. (Indicated by phantom lines in FIG. 2) The relationship between the discharge hole 3, the gas blowing member 4, and the molten metal blocking portion 5 described above is based on the diameter D of the discharge hole 3 and has the following intervals: (1) discharge hole The distance S2 between the center and the center of the gas blowing member and the distance S1 between the center of the discharge hole and the center of the molten metal block are 1.1 to 3.0.
It is D. However, the flow rate of molten metal is controlled (throttle injection)
The following relationships are optimal depending on the position of the discharge hole 3 in the front-back direction of the sliding direction: (2) When the flow rate is controlled between the discharge hole and the molten metal blocking portion, the S1 is 1.5 to 3.0D, The S2 is 1.1 to 2.5D.
（３） 該排出孔とガス吹き部材間で流量を制御する場
合、前記S1は1.1〜2.5Dであり、前記S2は1.5〜3.0Dであ
る。前述した本発明溶融金属流量制御装置を用いる溶融
金属容器における溶融金属の排出を停止する方法は、鋳
造（又は鋳込み）終了後にスライドプレート２を摺動さ
せ、前記排出孔３を前記遮断部５の位置に停止させる。
即ち、該遮断部５は鋳造中又はガス吹き中全く使用せ
ず、鋳造終了時のみ使用するものである。(3) When controlling the flow rate between the discharge hole and the gas blowing member, the S1 is 1.1 to 2.5D and the S2 is 1.5 to 3.0D. In the method for stopping the discharge of the molten metal in the molten metal container using the molten metal flow rate control device of the present invention described above, the slide plate 2 is slid after the casting (or the casting) is completed, and the discharge hole 3 of the blocking portion 5 is removed. Stop in position.
That is, the blocking portion 5 is not used at all during casting or gas blowing, and is used only at the end of casting.
（発明の効果） 本発明は前述の如き技術的構成からなる、溶融金属流量
制御装置及び溶融金属排出停止法であって、本発明によ
る作用効果を列記すれば次のとおりである： （１） ガス吹き部４と溶融金属を止める位置５が異な
り、鋳造終了後にガス吹き部材４に溶融金属が侵入しな
いため、スライドプレート２の再使用が可能となる。(Effects of the Invention) The present invention is a molten metal flow rate control device and a molten metal discharge stopping method having the above-mentioned technical configurations, and the effects of the present invention will be listed as follows: (1) Since the gas blowing part 4 and the position 5 for stopping the molten metal are different, and the molten metal does not enter the gas blowing member 4 after the casting is completed, the slide plate 2 can be reused.
（２）溶融金属排出孔３とガス吹き部材４との間隔l1が
短かく設定出来るため、熱伝導により、ガス吹き部材４
の温度低下を防ぐことが出来、ノズル１内溶融金属の凝
固を防ぐことがより確実となる。(2) Since the distance l 1 between the molten metal discharge hole 3 and the gas blowing member 4 can be set to be short, the gas blowing member 4 can be formed by heat conduction.
It is possible to prevent lowering of the temperature and to prevent solidification of the molten metal in the nozzle 1 more reliably.
（３） 絞り、つまり流量制御する範囲はl1内であり、
溶融金属を止める位置５とは全く異なるため、ストロー
クL1は最小に出来る。(3) The throttle, that is, the flow rate control range is within l 1 ,
The stroke L 1 can be minimized because it is completely different from the position 5 where the molten metal is stopped.
（４） 溶融金属を止める位置５は鋳造終了時のみ使用
するため、スライドプレート表面の溶損は全くなく確実
に溶融金属を止めることが出来る。(4) Since the position 5 for stopping the molten metal is used only at the end of casting, there is no melting loss on the surface of the slide plate and the molten metal can be reliably stopped.
（５） 鋳造中及び鋳造終了時のスライドプレート２の
摺動によりガス吹き部材４は全く溶鋼に触れないため、
不必要に損傷されず再使用が可能となる。(5) Since the gas blowing member 4 does not come into contact with molten steel at all due to the sliding of the slide plate 2 during casting and at the end of casting,
It can be reused without being damaged unnecessarily.
以上の効果により、ノズル１内溶融金属の凝固防止がよ
り確実となり、鋳造終了時、溶融金属をより確実・安全
に止めることが出来、又ガス吹き部材４を有するスライ
ドプレート２の再使用が可能となる為、本考案のスライ
ドバルブ装置によると高度な機能でコストダウンが可能
となる。With the above effects, solidification of the molten metal in the nozzle 1 is more reliably prevented, the molten metal can be stopped more reliably and safely at the end of casting, and the slide plate 2 having the gas blowing member 4 can be reused. Therefore, according to the slide valve device of the present invention, the cost can be reduced with the advanced function.
第１図及び第２図は本発明の一例を示す溶融金属流量制
御装置の縦断面略図及びスライドプレート平面図、第３
図〜第７図は従来方式の溶融金属流量制御装置の縦断面
略図及びスライドプレート平面図であり、図中： １……ノズル、２……スライドプレート、３……溶融金
属排出孔、４……ガス吹き部材、５……溶融金属遮断
部。FIG. 1 and FIG. 2 are schematic longitudinal sectional views and slide plate plan views of a molten metal flow rate control device showing an example of the present invention, and FIG.
FIG. 7 to FIG. 7 are a schematic longitudinal sectional view and a slide plate plan view of a conventional molten metal flow rate control device, in which: 1 ... Nozzle, 2 ... Slide plate, 3 ... Molten metal discharge hole, 4 ... ... Gas blowing member, 5 ... Molten metal blocking section.
フロントページの続き (72)発明者 澤 敏朗 兵庫県神戸市西区枝吉４―157―２ (72)発明者 山本 堅二 岡山県赤磐郡山陽町桜が丘西８―34―21Front page continuation (72) Inventor Toshiro Sawa 4-157-2, Edayoshi Nishi-ku, Kobe City, Hyogo Prefecture (72) Kenji Yamamoto 8-34-21 Sakuragaoka Nishi, Sanyo-cho, Akaban-gun, Okayama Prefecture
Claims (4)
属流量制御装置において、溶融金属排出孔の摺動方向の
両側にガス吹き部材と溶融金属遮断部を設け、該排出孔
中心と該遮断部中心間の間隔S1及び該排出孔中心とガス
吹き部材中心間の間隔S2が、前記排出孔直径Ｄの1.1〜
3.0Dであることを特徴とする溶融金属流量制御装置。1. A molten metal flow rate control device having a gas blowing slide plate, wherein a gas blowing member and a molten metal blocking portion are provided on both sides in the sliding direction of the molten metal discharging hole, and the center of the discharging hole and the center of the blocking portion are provided. And the distance S2 between the center of the discharge hole and the center of the gas blowing member is 1.1 to the diameter D of the discharge hole.
Molten metal flow rate control device characterized by 3.0D.
間で溶融金属の流量を制御する場合、前記S1が1.5〜3.0
Dであり、前記S2が1.1〜2.5Dである請求項１記載の溶融
金属流量制御装置。2. When controlling the flow rate of the molten metal between the molten metal discharge hole and the molten metal cutoff portion, the S1 is 1.5 to 3.0.
The molten metal flow rate control device according to claim 1, wherein D is D and S2 is 1.1 to 2.5D.
で溶融金属の流量を制御する場合、前記S1が1.1〜2.5D
であり、前記S2が1.5〜3.0Dである請求項１記載の溶融
金属流量制御装置。3. When controlling the flow rate of the molten metal between the molten metal discharge hole and the gas blowing member, the S1 is 1.1 to 2.5D.
The molten metal flow rate control device according to claim 1, wherein the S2 is 1.5 to 3.0D.
き部材と溶融金属遮断部を設け、該排出孔中心と該遮断
部中心間の間隔S1及び該排出孔中心とガス吹き部材中心
間の間隔S2が、前記排出孔直径Ｄの1.1〜3.0Dである溶
融金属流量制御装置により、鋳造終了後前記スライドプ
レートの溶融金属排出孔を前記遮断部に摺動、停止する
ことを特徴とする溶融金属容器における溶融金属排出停
止法。4. A gas blowing member and a molten metal blocking portion are provided on both sides of the molten metal discharging hole in the sliding direction, a space S1 between the center of the discharging hole and the center of the blocking portion, and the center of the discharging hole and the center of the gas blowing member. The space S2 between them is 1.1 to 3.0D of the discharge hole diameter D, and the molten metal discharge hole of the slide plate slides and stops on the blocking portion after the end of casting by the molten metal flow rate control device. Method to stop molten metal discharge in molten metal container.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29396489A JPH074657B2 (en) | 1989-11-14 | 1989-11-14 | Molten metal flow controller and molten metal discharge stop method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29396489A JPH074657B2 (en) | 1989-11-14 | 1989-11-14 | Molten metal flow controller and molten metal discharge stop method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03155454A JPH03155454A (en) | 1991-07-03 |
| JPH074657B2 true JPH074657B2 (en) | 1995-01-25 |
Family
ID=17801472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP29396489A Expired - Fee Related JPH074657B2 (en) | 1989-11-14 | 1989-11-14 | Molten metal flow controller and molten metal discharge stop method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH074657B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999022893A1 (en) * | 1997-10-31 | 1999-05-14 | Nkk Corporation | Apparatus for controlling amount of teeming molten metal and slide plate used for the same |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0539755U (en) * | 1991-09-20 | 1993-05-28 | 品川白煉瓦株式会社 | Gas blowing structure of molten metal flow controller |
-
1989
- 1989-11-14 JP JP29396489A patent/JPH074657B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999022893A1 (en) * | 1997-10-31 | 1999-05-14 | Nkk Corporation | Apparatus for controlling amount of teeming molten metal and slide plate used for the same |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03155454A (en) | 1991-07-03 |
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| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |