JPS63132765A - Slag removing device - Google Patents
Slag removing deviceInfo
- Publication number
- JPS63132765A JPS63132765A JP27995286A JP27995286A JPS63132765A JP S63132765 A JPS63132765 A JP S63132765A JP 27995286 A JP27995286 A JP 27995286A JP 27995286 A JP27995286 A JP 27995286A JP S63132765 A JPS63132765 A JP S63132765A
- Authority
- JP
- Japan
- Prior art keywords
- slag
- container
- molten metal
- ladle
- case
- 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
- 239000002893 slag Substances 0.000 title claims abstract description 75
- 239000002184 metal Substances 0.000 claims abstract description 20
- 229910052751 metal Inorganic materials 0.000 claims abstract description 20
- 239000011819 refractory material Substances 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 abstract description 14
- 239000010959 steel Substances 0.000 abstract description 14
- 238000005381 potential energy Methods 0.000 abstract description 5
- 230000006378 damage Effects 0.000 abstract description 2
- 238000007598 dipping method Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000009749 continuous casting Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010953 base metal Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 230000009528 severe injury Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000002966 varnish 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
- B22D43/00—Mechanical cleaning, e.g. skimming of molten metals
- B22D43/005—Removing slag from a molten metal surface
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
この発明は、溶湯容器内の溶ｗＡ瀾面に浮遊するスラグ
を除去するスラグ除去装置に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a slag removal device that removes slag floating on the surface of molten metal in a molten metal container.
［従来の技術］
例えば、転炉で吹錬された溶鋼は取鍋に注入される。こ
の溶鋼を貯留した取鍋を取鍋台車により例えば連続鋳造
設備まで運搬し、取鍋内の溶鋼を連続鋳造に供する。こ
の場合に、取鍋内の溶ＷＡ瀾面上にはスラグが浮遊して
おり、このスラグは鋼中の介在物欠陥を形成するため、
取鍋内で除去する必要がある。[Prior Art] For example, molten steel blown in a converter is poured into a ladle. The ladle containing this molten steel is transported by a ladle truck to, for example, continuous casting equipment, and the molten steel in the ladle is subjected to continuous casting. In this case, slag is floating on the surface of the molten WA in the ladle, and this slag forms inclusion defects in the steel.
Must be removed in the ladle.
このスラグを除去するために、従来、取鍋を傾けてドラ
ッガーによりスラグを取鍋外に掻出す方法、及び、真空
吸引装置によりスラグを吸引する方法が採用されている
。Conventionally, in order to remove this slag, a method of tilting the ladle and scraping the slag out of the ladle with a dragger, and a method of suctioning the slag with a vacuum suction device have been adopted.
［発明が解決しようとする問題点］
しかしながら、前者の場合には、鋼線のスラグが流出す
る部分に地金が付着する等して、この部分の損傷が激し
くなるという問題点がある。また、後者の場合には、ス
ラグの吸引に時間がかかるので処理時間が長くなると共
に、脱酸処理されたスラグは流動性が悪くなるのでこの
スラグを吸引することができないという問題点がある。[Problems to be Solved by the Invention] However, in the former case, there is a problem in that base metal adheres to the part of the steel wire where the slag flows out, resulting in severe damage to this part. Furthermore, in the latter case, there are problems in that it takes time to suction the slag, which increases the processing time, and the deoxidized slag has poor fluidity, making it impossible to suction the slag.
この発明は係る事情に鑑みてなされたものであって、溶
湯容器を損傷させず、短時間で有効にスラグを除去する
ことができるスラグ除去装置を提供することを目的とす
る。The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a slag removal device that can effectively remove slag in a short time without damaging a molten metal container.
［問題点を解決するための手段］
この発明に係るスラグ除去装置は、溶湯容器内の？１１
ｍ湯面上に浮遊するスラグを除去するスラグ除去装置で
あって、耐火物でつくられ開放面を上に向けてその上端
がスラグ中に位置するようにスラグ及び溶湯に浸漬され
る容器と、この容器を上下動させて前記所定位置に保持
する移動手段とを有し、前記開放面から容器内にスラグ
を流入させることを特徴とする。[Means for Solving the Problems] The slag removal device according to the present invention removes slag from inside a molten metal container. 11
A slag removal device for removing slag floating on the surface of the molten metal, comprising a container made of refractory material and immersed in the slag and molten metal with its open side facing upward and its upper end positioned in the slag; The container is characterized in that it has a moving means for moving the container up and down and holding it at the predetermined position, and allows the slag to flow into the container from the open surface.
［作用］
この発明においては、開放面を上に向けて容器をスラグ
及び溶湯に浸漬させ、この容器の上端がスラグ中に位置
するように、移動装置により容器の位置を調節する。そ
うすると、溶ｍｓ面に浮遊しているスラグがその位置エ
ネルギにより容器内に流入し、溶湯湯面、Ｆからスラグ
を除去することができる。[Operation] In the present invention, the container is immersed in the slag and molten metal with the open side facing upward, and the position of the container is adjusted by the moving device so that the upper end of the container is located in the slag. Then, the slag floating on the molten metal surface flows into the container due to its potential energy, and the slag can be removed from the molten metal surface, F.
［実施例］
以下、添付図面を参照してこの発明の実施例について具
体的に説明する。[Embodiments] Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
第１図はこの実施例に係るスラグ除去装置を示す模式図
である。取鍋１は鉄皮に耐火物が内張すされて構成され
ており、この取１４１には溶鋼２が貯留されている。ま
た、この溶１２の湯面上にはスラグ３が浮遊している。FIG. 1 is a schematic diagram showing a slag removal device according to this embodiment. The ladle 1 is composed of an iron shell lined with a refractory material, and the ladle 141 stores the molten steel 2. Moreover, slag 3 is floating on the surface of this melt 12.
容器４は耐火物でつくられており、底付き円筒状をなし
ている。この容器４は、その開放面を上に向けて取鍋１
内のスラグ３及びｍ鋼２に浸漬されるようになっている
。The container 4 is made of refractory material and has a cylindrical shape with a bottom. This container 4 is placed in a ladle 1 with its open side facing up.
It is designed to be immersed in the slag 3 and steel 2 inside.
この容器４の上方にはピストン６を備えた油圧シリンダ
５が設置されており、このピストン６と容器４とは連結
部材７により連結されている。容器４は、図示しない油
圧装置にてシリンダ５内の油圧を調節してピストン６を
進出退入させることにより上下動されるようになってお
り、これにより、容器４の上端が常にスラグ３内に保持
されるよう、に容器４の位置が調節される。A hydraulic cylinder 5 equipped with a piston 6 is installed above the container 4, and the piston 6 and the container 4 are connected by a connecting member 7. The container 4 is moved up and down by adjusting the oil pressure in the cylinder 5 using a hydraulic device (not shown) and moving the piston 6 forward and backward, so that the upper end of the container 4 is always kept within the slag 3. The position of the container 4 is adjusted so that it is held at the same position.
次に、この実施例の動作について説明する。先ず、ピス
トン６を進出させて、容器４を取鍋１の上方から開放面
を上に向けてスラグ３及び溶鋼４に浸漬する。次に、シ
リンダ５内の油圧を調節して、容器４の上端が常にスラ
グ３中に保持されるように容器４の位置を調節する。そ
うすると、スラグ３の表面は容器４の上にあるので、ス
ラグ３はその位１エネルギにより容器４内に流入する。Next, the operation of this embodiment will be explained. First, the piston 6 is advanced and the container 4 is immersed in the slag 3 and molten steel 4 from above the ladle 1 with the open surface facing upward. Next, the oil pressure in the cylinder 5 is adjusted to adjust the position of the container 4 so that the upper end of the container 4 is always held in the slug 3. Then, since the surface of the slag 3 is on the container 4, the slag 3 flows into the container 4 with one energy.
この場合に、容器４の上端がスラグ中に維持されている
限りスラグ３が連続して容器４内に流入するので、流入
速度が高く、スラグを短時間で除去することができる。In this case, as long as the upper end of the container 4 is maintained in the slag, the slag 3 continuously flows into the container 4, so the inflow speed is high and the slag can be removed in a short time.
この場合に、容器４の上端がスラグ３中に位置している
ので、溶鋼２が容器４内に流入する虞が少なく、歩留を
低下させる虞が少ない。また、スラグ３の位置エネルギ
を利用するので、スラグ３の流動性が悪くてもスラグを
除去することができる。更に、取鍋１の開放面から溶鋼
２内に容器４を浸漬させてスラグを除去するので、取鋼
１の縁部が損傷する虞がない。なお、容器４が何回も使
用することができるように、容器４をシリカが少ない耐
火物で構成して耐火度を上昇させることが好ましい。In this case, since the upper end of the container 4 is located in the slag 3, there is little possibility that the molten steel 2 will flow into the container 4, and there is little possibility that the yield will be reduced. Further, since the potential energy of the slag 3 is utilized, the slag can be removed even if the fluidity of the slag 3 is poor. Furthermore, since the container 4 is immersed into the molten steel 2 from the open surface of the ladle 1 to remove slag, there is no risk of damage to the edges of the ladle 1. Note that, so that the container 4 can be used many times, it is preferable to configure the container 4 with a refractory material containing less silica to increase the degree of fire resistance.
次に、この実施例の装置で実際にスラグを除去した具体
例につ°いて説明する。２５０トン取鍋に溶鋼を注入し
、直径が１ｍで高きが１ｍの耐火物製の容器をスラグ上
面から浸漬させてスラグを除去した。第３図に、この場
合における時間とスラグ除去厚みとの関係を、従来の真
空吸引する場合と比較して示す。図中、白丸はこの実施
例の場合を示し、黒丸は従来例を示す。これによれば、
この具体例の場合には、従来よりも時間当りのスラグ除
去−が多く、短時間でスラグを除去できることがわかる
。そして、従来の真空吸引法では１０乃至３０分間かか
つていたものが、２乃至１０分間となり、スラグ除去時
間が１７３以下に短縮された。Next, a specific example in which slag was actually removed using the apparatus of this embodiment will be described. Molten steel was poured into a 250-ton ladle, and a refractory container with a diameter of 1 m and a height of 1 m was immersed in the slag from above to remove the slag. FIG. 3 shows the relationship between time and slag removal thickness in this case in comparison with the conventional vacuum suction case. In the figure, white circles indicate the case of this embodiment, and black circles indicate the conventional example. According to this,
In the case of this specific example, more slag can be removed per hour than in the conventional case, and it can be seen that slag can be removed in a short time. In addition, the slag removal time, which used to take 10 to 30 minutes in the conventional vacuum suction method, was reduced to 2 to 10 minutes, and the slag removal time was shortened to 173 minutes or less.
なお、この実施例においては溶鋼の場合について示した
が、これに限らず他の金属についても適用することがで
きる。また、取鍋内のスラグを除去する場合について示
したが、これに限らず、例えば溶銑鍋からスラグを除去
する場合にも適用することができる。Note that, although this embodiment has been described for the case of molten steel, the present invention is not limited to this and can be applied to other metals as well. Further, although the case of removing slag in a ladle has been described, the present invention is not limited to this, and can be applied to, for example, removing slag from a hot metal ladle.
［発明の効果］
この発明によれば、耐火物製の容器が、その上端が溶湯
上のスラブ中に位置するようにスラグ及び溶湯に浸漬さ
れるので、スラグの表面が容器上端の上に位置し、スラ
グの位置エネルギによりスラグが容器内に流入する。こ
の容器は移動手段により常に容器の上端がスラグ中に保
持されるので、スラグが連続して容器内に流入する。こ
のため、スラグの流入速度が高く、短時間でスラブを除
去することができる。また、スラグの流動性が悪い場合
においても、スラグの位置エネルギによりスラグを容器
内に流入させて除去することができる。[Effects of the Invention] According to the present invention, the refractory container is immersed in the slag and molten metal so that its upper end is located in the slab above the molten metal, so that the surface of the slag is located above the upper end of the container. However, the potential energy of the slag causes the slag to flow into the container. Since the upper end of the container is always held in the slag by the moving means, the slag continuously flows into the container. Therefore, the inflow speed of the slag is high, and the slab can be removed in a short time. Further, even when the fluidity of the slag is poor, the potential energy of the slag allows the slag to flow into the container and be removed.
更に、溶湯中に浸漬させた容器にスラグを流入させるの
で、溶湯容器を損傷させずにスラグを除去することがで
きる。Furthermore, since the slag flows into the container immersed in the molten metal, the slag can be removed without damaging the molten metal container.
第１図はこの発明の実施例に係るスラグ除去装置を示す
模式図、第２図はこの発明の効果を示すグラフ図である
。
１；取鍋、２：溶鋼、３ニスラグ、４：容器、５；シリ
ンダ、６；ピストン。
出願人代理人 弁理士 鈴江武彦
時間（今）
第２図FIG. 1 is a schematic diagram showing a slag removal device according to an embodiment of the invention, and FIG. 2 is a graph diagram showing the effects of the invention. 1: Ladle, 2: Molten steel, 3: Varnish slag, 4: Container, 5: Cylinder, 6: Piston. Applicant's agent Patent attorney Takehiko Suzue Time (now) Figure 2
Claims (1)
ラグ除去装置において、耐火物でつくられ開放面を上に
向けてその上端がスラグ中に位置するようにスラグ及び
溶湯に浸漬される容器と、この容器を上下動させて前記
所定位置に保持する移動手段とを有し、前記開放面から
容器内にスラグを流入させることを特徴とするスラグ除
去装置。In a slag removal device for removing slag floating on the surface of molten metal in a molten metal container, a container made of refractory material and immersed in slag and molten metal with its open side facing upward and its upper end positioned in the slag. and a moving means for moving the container up and down and holding it at the predetermined position, and causing slag to flow into the container from the open surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27995286A JPS63132765A (en) | 1986-11-25 | 1986-11-25 | Slag removing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27995286A JPS63132765A (en) | 1986-11-25 | 1986-11-25 | Slag removing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63132765A true JPS63132765A (en) | 1988-06-04 |
Family
ID=17618210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP27995286A Pending JPS63132765A (en) | 1986-11-25 | 1986-11-25 | Slag removing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63132765A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009197265A (en) * | 2008-02-20 | 2009-09-03 | Diamond Engineering Kk | Slag-removing apparatus and slag-removing method |
| CN106111970A (en) * | 2016-08-31 | 2016-11-16 | 山东钢铁股份有限公司 | A kind of device and method being reduced ladle top slag oxidisability by excessive slag method |
| CN113134602A (en) * | 2020-01-17 | 2021-07-20 | 晟通科技集团有限公司 | Device for preventing aluminum liquid from being polluted |
-
1986
- 1986-11-25 JP JP27995286A patent/JPS63132765A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009197265A (en) * | 2008-02-20 | 2009-09-03 | Diamond Engineering Kk | Slag-removing apparatus and slag-removing method |
| CN106111970A (en) * | 2016-08-31 | 2016-11-16 | 山东钢铁股份有限公司 | A kind of device and method being reduced ladle top slag oxidisability by excessive slag method |
| CN113134602A (en) * | 2020-01-17 | 2021-07-20 | 晟通科技集团有限公司 | Device for preventing aluminum liquid from being polluted |
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