JPH03155454A - Device for controlling molten metal flow rate and method for stopping molten metal discharging - Google Patents
Device for controlling molten metal flow rate and method for stopping molten metal dischargingInfo
- Publication number
- JPH03155454A JPH03155454A JP29396489A JP29396489A JPH03155454A JP H03155454 A JPH03155454 A JP H03155454A JP 29396489 A JP29396489 A JP 29396489A JP 29396489 A JP29396489 A JP 29396489A JP H03155454 A JPH03155454 A JP H03155454A
- Authority
- JP
- Japan
- Prior art keywords
- molten metal
- gas blowing
- discharge hole
- center
- 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.)
- Granted
Links
- 239000002184 metal Substances 0.000 title claims abstract description 67
- 238000000034 method Methods 0.000 title claims description 6
- 238000007599 discharging Methods 0.000 title abstract 9
- 238000007664 blowing Methods 0.000 claims abstract description 40
- 238000005266 casting Methods 0.000 claims abstract description 18
- 230000000903 blocking effect Effects 0.000 claims description 7
- 239000007789 gas Substances 0.000 description 30
- 238000007796 conventional method Methods 0.000 description 4
- 239000011449 brick Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000008018 melting Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000003247 decreasing effect Effects 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
- 230000002265 prevention Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 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)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
取鍋及びタンデイツ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パルプ装置
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熔
融金属排出停止法に関する。Detailed Description of the Invention (Industrial Application Field) This invention relates to a slide pulp device attached to a molten metal container such as a ladle or a tundish and used to discharge molten metal, and a method for stopping the discharge of molten metal. This invention 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ｌ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 molten metal discharge holes 3, slide plates 2-1 to 2-3 are closed. In this case, it is common to blow an inert gas such as Ar gas into the nozzle 1 in order to prevent the molten metal inside 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 in conventional techniques and the problems thereof 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 installing a gas blowing member at the end of the stroke in the closing direction, the gas blowing member 4 is installed at the end of the stroke in the closing direction 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。(Problems) (1) When the slide plate 2-1 is closed to stop the molten metal at the end of casting, since the gas supply is stopped, the molten metal enters the gas blowing member 4 and solidifies. 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Ｌ、を１項の場合より長くする場合。（ｐ
ｔ＞ｚ□、Ｌ：ｌ＞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１３で鋳造
終了する。B. A case where a gas blowing member is provided at the end of the stroke in the closing direction and the stroke L thereof is made longer than in the case of item 1. (p
t>z□, L:l>L2) As shown in FIGS. 5 and 6, casting ends at 13 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Ｌ
３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) At the start of casting and during casting, the gas blowing member 4
When blowing gas by aligning it with the nozzle 1 position, the distance between the gas blowing member 4 and the molten metal discharge hole 3, that is, the stroke L
3 is too long, the temperature of the gas blowing member 4 is low due to its heat conduction, and the switching time 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 becomes more likely to solidify.
（２）鋳造時はノズルを絞る為、第６図に示す如（スラ
イドプレート２−２の絞り部６は溶損される。(2) During casting, since the nozzle is constricted, the constricted portion 6 of the slide plate 2-2 is damaged by melting, 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Ｌ。Therefore, when closing the slide plate 2-2 to stop the molten metal at the end of casting, it is necessary to align the nozzle 1 with the range S of the slide plate 2-2, so the stroke L.
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。becomes longer. Also, if it is too short, the molten metal cannot be completely stopped.
Ｃ３閉方向ストロ一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。C3 When a gas blowing member is provided between the stroke end position in the closing direction 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 ends 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) At the end of casting, the molten metal in the nozzle 1 passes over the gas blowing member 5, which tends to damage the gas blowing member.
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 mentioned above, the conventional techniques have various problems, such as reuse of plate bricks, prevention of solidification of molten metal in the nozzle, etc., and are not perfect.
（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 present inventors have succeeded in developing the present invention as a result of various studies and experiments to solve the problems of the conventional method as described above, and the technical configuration of the present invention is as follows. Although it is as specified in each claim, the present invention will be described in detail based on 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 cross-sectional view of the flow rate control device of the present invention, and FIG. 2 is a plan view of its slide plate.
図示の如（、スライドプレート２にはそのはＸ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
設しである。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の直径り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Ｓｌは１．１
〜３．０Ｄ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Ｓｌは１．５〜３．
０Ｄであり、前記Ｓ２が１．１〜２．５Ｄである。As shown in the figure, a molten metal discharge hole 3 is bored in the slide plate 2 near the center of the X, 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. The means for disposing the gas blowing member 4 is the same as that of the conventional method.There is a molten metal blocking part 5 in the sliding direction of the slide plate 2 and on the other side of the discharge hole 3. (Indicated by imaginary lines in Figure 2) The relationship between the above-mentioned discharge hole 3, gas blowing member 4, and molten metal blocking part 5 is as follows based on the diameter of the discharge hole 3: (1) Center of the discharge hole The distance S2 between the center of the gas blowing member and the distance Sl between the center of the discharge hole and the center of the molten metal blocking part are 1.1.
~3.0D. However, depending on the position of controlling the flow rate of molten metal (throttling injection) in the sliding direction of the discharge hole 3, the following relationship is optimal; (2) The flow rate is controlled between the discharge hole and the molten metal cutoff part. In this case, the Sl is 1.5 to 3.
0D, and 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。(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,
It is 5-3.0D. The method for stopping the discharge of molten metal from a molten metal container using the molten metal flow rate control device of the present invention described above is to slide the slide plate 2 after casting (or pouring) and close the discharge hole 3 to the blocking part 5. stop in position.
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。That is, the shutoff part 5 is not used at all during casting or gas blowing, but is used only when casting is finished.
（発明の効果）
本発明は前述の如き技術的構成からなる、熔融金属流量
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 provides a molten metal flow rate control device and a molten metal discharge stopping method having the above-mentioned technical configuration, and the effects of the present invention are 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 casting is completed, the slide plate 2 can be reused.
（２）熔融金属排出孔３とガス吹き部材４との間隔２．
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) Distance between molten metal discharge hole 3 and gas blowing member 4 2.
can be set short, it is possible to prevent the temperature of the gas blowing member 4 from decreasing due to heat conduction, and it is more reliable to prevent the molten metal in the nozzle 1 from solidifying.
（３）絞り、つまり流量制御する範囲は１１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Ｌ、は最小に出来る。(3) The aperture, that is, the flow rate control range is within 11,
Since this is completely different from the position 5 where the molten metal is stopped, the stroke L can be minimized.
（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 damage on the surface of the slide plate and the molten metal can be stopped reliably.
（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 and at the end of casting, it can be reused without being unnecessarily damaged.
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。As a result of the above effects, the molten metal in the nozzle 1 can be prevented from solidifying more reliably, the molten metal can be stopped more reliably and safely at the end of casting, and the slide plate 2 with the gas blowing member 4 can be reused. Therefore, according to the slide valve device of the present invention, cost reduction is possible with advanced functions.
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：
■・・・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。
第１図
第２図
第６図
口仁FIGS. 1 and 2 are a schematic vertical cross-sectional view and a plan view of a slide plate of a molten metal flow rate control device showing an example of the present invention, and FIG.
7 to 7 are a schematic vertical cross-sectional view and a plan view of a slide plate of a conventional molten metal flow rate control device, and in the figures: ■... nozzle, 2... slide plate, 3...
Molten metal discharge hole, 4... gas blowing member, 5... molten metal cutoff part. Figure 1 Figure 2 Figure 6 Mouth Hitoshi
Claims (4)
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) In a molten metal flow rate control device having a gas blowing slide plate, a gas blowing member and a molten metal cutoff part are provided on both sides of a molten metal discharge hole in the sliding direction, and an interval between the center of the discharge hole and the center of the cutoff part is provided. S1 and the distance S2 between the center of the discharge hole and the center of the gas blowing member are 1.1 to 1.1 of the diameter D of the discharge hole.
A molten metal flow rate control device characterized by being 3.0D.
融金属の流量を制御する場合、前記Ｓ１が１．５〜３．
０Ｄ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 molten metal between the molten metal discharge hole and the molten metal cutoff part, the S1 is 1.5 to 3.
0D and said S2 is 1.1 to 2.5D, the molten metal flow rate control device according to claim 1.
金属の流量を制御する場合、前記Ｓ１が１．１〜２．５
Ｄ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 molten metal between the molten metal discharge hole and the gas blowing member, the S1 is 1.1 to 2.5.
D, and the S2 is 1.5 to 3.0D.
The molten metal flow control device described.
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 part are provided on both sides of the molten metal discharge hole in the sliding direction, and the distance S1 between the center of the discharge hole and the center of the blocking part and the distance between the center of the discharge hole and the center of the gas blowing member are provided. A molten metal flow rate control device having an interval S2 of 1.1 to 3.0D of the diameter D of the discharge hole causes the molten metal discharge hole of the slide plate to slide into the blocking portion and stop after the completion of casting. Method for stopping molten metal discharge from molten metal containers.
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 true JPH03155454A (en) | 1991-07-03 |
| JPH074657B2 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 |
|---|---|---|---|---|
| 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 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3247941B2 (en) * | 1997-10-31 | 2002-01-21 | 日本鋼管株式会社 | Plate for sliding nozzle |
-
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 |
|---|---|---|---|---|
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH074657B2 (en) | 1995-01-25 |
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