JPH01154864A - Method and device for removing foreign material - Google Patents
Method and device for removing foreign materialInfo
- Publication number
- JPH01154864A JPH01154864A JP62315514A JP31551487A JPH01154864A JP H01154864 A JPH01154864 A JP H01154864A JP 62315514 A JP62315514 A JP 62315514A JP 31551487 A JP31551487 A JP 31551487A JP H01154864 A JPH01154864 A JP H01154864A
- Authority
- JP
- Japan
- Prior art keywords
- stopper
- foreign matter
- supply pipe
- gas supply
- molten metal
- 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
- 238000000034 method Methods 0.000 title claims abstract description 11
- 239000000463 material Substances 0.000 title abstract description 7
- 239000002184 metal Substances 0.000 claims abstract description 23
- 229910052751 metal Inorganic materials 0.000 claims abstract description 23
- 238000002844 melting Methods 0.000 claims abstract description 4
- 230000008018 melting Effects 0.000 claims abstract description 4
- 239000004020 conductor Substances 0.000 claims description 12
- 238000007664 blowing Methods 0.000 claims description 4
- 239000002893 slag Substances 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 27
- 238000010586 diagram Methods 0.000 description 2
- 238000010891 electric arc Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910001141 Ductile iron Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 239000000126 substance 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
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/14—Closures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/14—Closures
- B22D41/44—Consumable closure means, i.e. closure means being used only once
- B22D41/46—Refractory plugging masses
- B22D41/465—Unplugging a vessel discharge port
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning In General (AREA)
- Continuous Casting (AREA)
- Crucibles And Fluidized-Bed Furnaces (AREA)
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
本発明は溶融金属を収容したストッパー取り１の出湯口
に付着せる異物を取り除く方法及び装置に関するもので
ある。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a method and apparatus for removing foreign matter adhering to the outlet of a stopper tray 1 containing molten metal.
［従来の技術及び問題点］
ストッパー取鍋に収容した溶融金属を複数の鋳型に注湯
する場合、ノズルの出湯口にノロあるいは凝固金属が付
着して円滑な出湯ができなくなることを鷹々経験する。[Prior art and problems] When pouring molten metal contained in a stopper ladle into multiple molds, it has been our experience that slag or solidified metal adheres to the tap opening of the nozzle, making it impossible to tap the metal smoothly. do.
この場合、異物の除去に多くの時間を費やすばかりでな
く、注湯作業の能率低下、あるいは溶湯の温度低下によ
り鋳造欠陥を誘発するなど好ましからざる結果を招く。In this case, not only does it take a lot of time to remove the foreign matter, but it also causes undesirable results such as a decrease in the efficiency of the pouring operation or a drop in the temperature of the molten metal, which induces casting defects.
特に比較的小型のストッパー取鍋では出湯不能となるこ
ともあり、種々の対策が講じられている。Particularly in the case of a relatively small stopper ladle, it may become impossible to dispense hot water, so various measures have been taken.
また例えば比較的大型の取鍋では、ス） −／パーの中
心に貫通穴を備えた中空ストッパーを用い、その貫通穴
に丸棒を挿入して上下動することにより、異物を除去す
る方法がとられている。しかし、一般にはノズルの出湯
口に付着した異物を丸棒で突き落す作業は出湯中に行わ
れているのが現状であり、極めて危険である。従って業
界では異物の除去に関し新規な技術の開発が強く望まれ
ていたところである。For example, in the case of a relatively large ladle, there is a method of removing foreign matter by using a hollow stopper with a through hole in the center of the par, and inserting a round rod into the through hole and moving it up and down. It is taken. However, in general, the work of pushing out foreign matter adhering to the tap hole of the nozzle with a round bar is done during tapping, which is extremely dangerous. Therefore, there is a strong desire in the industry to develop a new technology for removing foreign substances.
従って本発明の目的は、注湯作業能率を低下することな
く、しかも著しく高い安全性をもって出湯口に付着せる
異物を除去する方法及び装置を提供することである。SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a method and apparatus for removing foreign matter adhering to a tap spout without reducing pouring efficiency and with extremely high safety.
［問題点を解決するための手段］
上記問題点に鑑み鋭意研究の結果、本発明は出湯口に付
着せる異物をアーク短絡により融解するとともに、圧縮
ガスを噴出することにより異物を容易に除去することが
できることを発見し、本発明に想到した。[Means for Solving the Problems] In view of the above problems, as a result of intensive research, the present invention melts the foreign matter adhering to the spout by an arc short circuit and easily removes the foreign matter by blowing out compressed gas. They discovered that it is possible to do this, and came up with the present invention.
すなわち、本発明の異物の除去方法は溶融金属を収容す
るストッパー取鍋の出湯口に下方より良電導体の気体送
給管を挿入し、前記気体送結管と良電導体のストッパー
との間をアーク短絡させて異物を融解し、前記気体送給
管より圧縮ガスを噴出して異物を飛散し、除去すること
を特徴とする。That is, the foreign matter removal method of the present invention involves inserting a gas supply pipe made of a good conductor from below into the outlet of a stopper ladle containing molten metal, and inserting a gas supply pipe made of a good conductor into the outlet of a stopper ladle containing molten metal. The method is characterized in that the foreign matter is melted by short-circuiting the foreign matter, and compressed gas is ejected from the gas supply pipe to scatter and remove the foreign matter.
またストッパー取鍋の出湯口に付着せる異物を除去する
本発明の装置は、良電導体で形成されているとともに交
流電源の一方の端子に接続されたストッパーと、良電導
体で形成されているとともに交流電源の他方の端子に接
続された気体送給管と、前記気体送給管に連結した圧縮
ガス源とを有し、前記出湯口に付着せる異物を前記スト
ッパーと前記気体送給管との間のアーク短絡により融解
するとともに、前記気体送給管より噴出する圧縮ガスに
より融解し、除去することを特徴とする。Further, the device of the present invention for removing foreign matter adhering to the spout of a stopper ladle is made of a good conductor, and includes a stopper connected to one terminal of an AC power source, and a good conductor. a gas supply pipe connected to the other terminal of the AC power source, and a compressed gas source connected to the gas supply pipe; It is characterized in that it is melted by an arc short circuit between the two, and is also melted and removed by compressed gas ejected from the gas supply pipe.
口実施例］ 本発明の実施例を添付図面を参照して詳細に説明する。Example] Embodiments of the present invention will be described in detail with reference to the accompanying drawings.
第１図は本発明を適用し得るストッパー取鍋を概略的に
示す断面図である。FIG. 1 is a sectional view schematically showing a stopper ladle to which the present invention can be applied.
第１図において、溶湯１を収容する取鍋２は上部に保温
用の蓋３を有し、蓋３には滓止め部材４が取鍋２の底面
に対して垂直に設けられている。In FIG. 1, a ladle 2 containing molten metal 1 has a heat-retaining lid 3 on the top, and a slag preventing member 4 is provided on the lid 3 perpendicularly to the bottom surface of the ladle 2.
さらに取鍋２は底部にノズル５を有し、ノズル５は油圧
シリンダー６の駆動により上下動可能なノズルストッパ
ー７によって開閉する。ストッパー７は炭素等の耐熱性
を有する良電導体で形成されている。油圧シリンダー６
の駆動は電磁バルブ（図示せず）により制御される。ま
た油圧シリンダー６にはノズルストッパー７の上昇位置
を検出する位置センサー（図示せず）が設けられている
。Furthermore, the ladle 2 has a nozzle 5 at the bottom, and the nozzle 5 is opened and closed by a nozzle stopper 7 that can be moved up and down by the drive of a hydraulic cylinder 6. The stopper 7 is made of a heat-resistant, good conductor such as carbon. hydraulic cylinder 6
is controlled by an electromagnetic valve (not shown). Further, the hydraulic cylinder 6 is provided with a position sensor (not shown) that detects the raised position of the nozzle stopper 7.
なおストッパー取鍋２においては、蓋３を貫通して溶湯
１の表面１ａに下端が近接している上下動可能な電極を
有する保温装置を設けてもよい。The stopper ladle 2 may be provided with a heat retaining device having an electrode that penetrates through the lid 3 and is movable up and down, the lower end of which is close to the surface 1a of the molten metal 1.
前記電場と溶湯との間はアーク放電するような構造にな
っている。The structure is such that arc discharge occurs between the electric field and the molten metal.
ノズル５により形成される出湯口８内に気体送給管９の
噴出口１０が挿入される。気体送給管９も金属等の良電
導体により形成されている。気体送給管９には圧縮ガス
源（図示せず）が連結しており、かつ噴出口１０と把持
部との間以外の部分に可撓部１２を有する。可撓部１２
は可撓管又はゴム管等いずれの形態のものでもよい。ま
た圧縮ガス源からは圧縮空気その他圧縮不活性ガスが送
給される。A spout 10 of a gas supply pipe 9 is inserted into a tap 8 formed by a nozzle 5 . The gas supply pipe 9 is also formed of a good conductor such as metal. A compressed gas source (not shown) is connected to the gas supply pipe 9, and a flexible portion 12 is provided at a portion other than between the spout 10 and the grip portion. Flexible part 12
may be in any form such as a flexible tube or a rubber tube. Compressed air or other compressed inert gas is also supplied from the compressed gas source.
ストッパーは交流電源１１の一方の端子に接続しており
、気体送給管９は交流電源１１の地方の端子に接続して
いる。The stopper is connected to one terminal of the AC power source 11, and the gas feed pipe 9 is connected to a local terminal of the AC power source 11.
出湯口８の下方には鋳型２０の湯口２１が配置され、ス
トッパー７の上下動によるノズル５の開閉により、所定
量の溶湯が鋳型２０内に注入されるようになっている。A sprue 21 of the mold 20 is arranged below the tap 8, and a predetermined amount of molten metal is injected into the mold 20 by opening and closing the nozzle 5 by moving the stopper 7 up and down.
第２図は交流電源１１のストッパー７への接続具１３を
示す概略図である。FIG. 2 is a schematic diagram showing the connection 13 of the AC power source 11 to the stopper 7.
交流電源１１に接続される一方の端子１４は接。One terminal 14 connected to the AC power supply 11 is connected.
続具１３に接続し、また他方の端子１５は気体送給管９
に接続している。The other terminal 15 is connected to the gas supply pipe 9.
is connected to.
接続具１３は２個の円弧状部材１６．１６′と円弧状部
材１６．１６°を内方に偏在する弾性部材１７とを有す
る。円弧状部材１６．１６°はストッパー７を挟持し、
ストッパー７と交流電源１１とを接続させる。円弧状部
材１６．１６′は一旦ストッパー７に装着されると弾性
部材１７の弾発力により脱着しないが、一対の把手１８
．１８′を押圧することにより容易に開放し、ストッパ
ー１７から取りはずすことができる。The connector 13 has two arc-shaped members 16, 16' and an elastic member 17 with the arc-shaped members 16, 16° unevenly distributed inward. The arc-shaped member 16.16° holds the stopper 7,
The stopper 7 and the AC power source 11 are connected. Once the arcuate members 16 and 16' are attached to the stopper 7, they will not come off due to the elastic force of the elastic member 17, but the pair of handles 18
．． By pressing 18', it can be easily opened and removed from the stopper 17.
以上のような構成の装置において、本発明により異物を
除去する方法を説明する。A method for removing foreign matter according to the present invention in the apparatus configured as described above will be explained.
まずストッパー７と気体送給管９を交流電源１１に接続
するとともに、気体送給管９を圧縮ガス源（図示せず）
に連結する。First, connect the stopper 7 and the gas supply pipe 9 to the AC power supply 11, and connect the gas supply pipe 9 to a compressed gas source (not shown).
Connect to.
溶湯１を複数の鋳型２０に注湯するために、ストッパー
７の開閉を繰り返すことにより、出湯口８に溶融金属あ
るいはノロなどの凝固物が付着する。そこで第１図に示
すように、ストッパー７とノズル５を閉塞した状態で、
ストッパー７と気体送給管９をアーク短絡させ、付着し
た異物を融解する。融解した異物は気体送給管９の噴出
口１０より噴出する圧縮空気により飛散し、除去される
。In order to pour the molten metal 1 into a plurality of molds 20, by repeatedly opening and closing the stopper 7, molten metal or solidified material such as slag adheres to the tap 8. Therefore, as shown in FIG. 1, with the stopper 7 and nozzle 5 closed,
The stopper 7 and the gas supply pipe 9 are short-circuited by an arc to melt the attached foreign matter. The melted foreign matter is scattered and removed by compressed air jetted from the jet port 10 of the gas supply pipe 9.
なお本実施例ではストッパーと気体送給管に直接通電し
てアークを発生させたが、これに限定されるものではな
い。例えば保温装置として電極を備えるストッパー取鍋
では、その接続具を挟着して通電し、溶湯を介してスト
ッパーと気体送給管とをアーク短絡させることも勿論可
能である。In this embodiment, the stopper and the gas supply pipe are directly energized to generate an arc, but the present invention is not limited to this. For example, in the case of a stopper ladle equipped with an electrode as a heat-retaining device, it is of course possible to clamp the connecting tool and apply electricity to create an arc short circuit between the stopper and the gas supply pipe via the molten metal.
また、昇降式のストッパー取鍋に限らずスライディング
ノズルを有する下注ぎ取鍋、ロークリ−ノズルを有する
下注ぎ取鍋等にも応用することができる。Further, the present invention is not limited to a lift-type stopper ladle, but can also be applied to a bottom pouring ladle having a sliding nozzle, a bottom pouring ladle having a low clear nozzle, and the like.
実施例１
第１図に示すストッパー取鍋に球状黒鉛鋳鉄の溶湯を１
，５００ｋｇ収容し、直径３（１ｍｍの出湯口から鋳型
に注湯したが、１時間に４〜５回の異物詰まりが発生し
た。Example 1 One drop of molten spheroidal graphite cast iron was placed in the stopper ladle shown in Figure 1.
, 500 kg, and poured into the mold from a diameter 3 (1 mm) outlet, but foreign matter clogging occurred 4 to 5 times per hour.
しかし、本発明による異物の除去装置を用い、８０ボル
ト、４００アンペアの交流によりアーク放電を起こして
異物を融解し、４ ｋｇ ／ ｃｔｌの圧縮空気を吹き
付けると、異物を完全に除去することができた。１回の
異物の除去時間は僅か１０秒程度であった。However, by using the foreign matter removal device according to the present invention and melting the foreign matter by causing an arc discharge with an alternating current of 80 volts and 400 amperes, and then blowing 4 kg/ctl of compressed air, it is possible to completely remove the foreign matter. Ta. The time required to remove foreign matter once was only about 10 seconds.
［発明の結果］
以上に詳述したように、本発明によりストッパーと気体
送給管の間にアーク短絡を生じさせて異物を融解し、圧
縮ガスを噴出することにより除去するので、注湯作業の
能率を低下させず、かつ溶湯温度を低下させずに異物の
除去作業を行うことができる。また出湯中に行う必要が
ないので、作業の安全性も著しく高い。[Results of the Invention] As detailed above, according to the present invention, an arc short circuit is created between the stopper and the gas supply pipe to melt the foreign matter, and the foreign matter is removed by blowing out compressed gas, thereby making the pouring work easier. Foreign matter can be removed without reducing the efficiency or reducing the temperature of the molten metal. Furthermore, since there is no need to perform this process while hot water is being tapped, the safety of the work is also extremely high.
第１図は本発明の異物の除去装置の断面図であり、
第２図は異物の除去装置の接続具を示す概略図である。
１：溶湯 ２；取鍋
３：蓋 ４：滓止め部材
５：ノズル ６：油圧シリンダー７：ストッパ
ー ８：出湯口
９：気体送給管 １１：交流電源
１２：可撓部 １３：接続具FIG. 1 is a sectional view of the foreign matter removing device of the present invention, and FIG. 2 is a schematic diagram showing a connector of the foreign matter removing device. 1: Molten metal 2; Ladle 3: Lid 4: Slag prevention member 5: Nozzle 6: Hydraulic cylinder 7: Stopper 8: Tap 9: Gas supply pipe 11: AC power supply 12: Flexible part 13: Connector
Claims (4)
着せる異物を除去する方法において、上記出湯口の下方
より良電導体の気体送給管を挿入し、前記気体送給管と
良電導体のストッパーとの間をアーク短絡させて異物を
融解し、前記気体送給管より圧縮ガスを噴出して異物を
飛散し、除去することを特徴とする異物の除去方法。(1) In a method for removing foreign matter adhering to the tap hole of a stopper ladle that accommodates molten metal, a gas feed pipe of a good conductor is inserted from below the tap hole, and the gas feed pipe and the good conductor are connected to each other. A method for removing foreign matter, which comprises melting the foreign matter by causing an arc short circuit between a conductor and a stopper, and blowing out compressed gas from the gas supply pipe to scatter and remove the foreign matter.
る装置において、良電導体で形成されているとともに交
流電源の一方の端子に接続されたストッパーと、良電導
体で形成されているとともに交流電源の他方の端子に接
続された気体送給管と、前記気体送給管に連結した圧縮
ガス源とを有し、前記出湯口に付着せる異物を前記スト
ッパーと前記気体送給管との間のアーク短絡により融解
するとともに前記気体送給管より噴出する圧縮ガスによ
り飛散し、除去することを特徴とする異物の除去装置。(2) Stopper A device for removing foreign matter adhering to the spout of a ladle, which includes a stopper made of a good conductor and connected to one terminal of an AC power source, and a stopper made of a good conductor. It has a gas supply pipe connected to the other terminal of the AC power source, and a compressed gas source connected to the gas supply pipe, and has a gas supply pipe connected to the stopper and the gas supply pipe to remove foreign matter adhering to the tap. A foreign matter removal device characterized in that the foreign matter is removed by melting due to an arc short circuit between the foreign matter and being scattered by compressed gas ejected from the gas supply pipe.
おいて、前記交流電源の一方の端子が良電導体で形成さ
れた接続具を介して前記ストッパーに接続されており、
前記接続具は２個の円弧状部材と前記円弧状部材を内方
に偏在する弾性部材とを有し、前記円弧状部材で前記ス
トッパーを挟持することにより、前記ストッパーと前記
交流電源との接続が行われることを特徴とする異物の除
去装置。(3) In the foreign matter removing device according to claim 2, one terminal of the AC power source is connected to the stopper via a connector made of a good conductor,
The connecting tool has two arc-shaped members and an elastic member unevenly distributed inward of the arc-shaped members, and by sandwiching the stopper between the arc-shaped members, the stopper and the AC power source are connected. A foreign matter removal device characterized in that:
除去装置において、前記気体送給管は把持部を有すると
ともに、噴出口から把持部に至る間以外の部分に可撓部
を有することを特徴とする異物の除去装置。(4) In the foreign matter removal device according to claim 2 or 3, the gas supply pipe has a gripping portion, and a flexible portion in a portion other than between the spout and the gripping portion. A foreign matter removal device characterized by having:
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62315514A JPH01154864A (en) | 1987-12-14 | 1987-12-14 | Method and device for removing foreign material |
| KR1019880003490A KR930001052B1 (en) | 1987-12-14 | 1988-03-30 | Method and device for removing foreign material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62315514A JPH01154864A (en) | 1987-12-14 | 1987-12-14 | Method and device for removing foreign material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01154864A true JPH01154864A (en) | 1989-06-16 |
Family
ID=18066267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62315514A Pending JPH01154864A (en) | 1987-12-14 | 1987-12-14 | Method and device for removing foreign material |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPH01154864A (en) |
| KR (1) | KR930001052B1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017196627A (en) * | 2016-04-25 | 2017-11-02 | 株式会社クボタ | Removal device, casting machine, and removal method |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101665081B1 (en) * | 2014-12-16 | 2016-10-12 | 주식회사 포스코 | Apparatus for eliminating slag a opening device for laddle |
-
1987
- 1987-12-14 JP JP62315514A patent/JPH01154864A/en active Pending
-
1988
- 1988-03-30 KR KR1019880003490A patent/KR930001052B1/en not_active IP Right Cessation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017196627A (en) * | 2016-04-25 | 2017-11-02 | 株式会社クボタ | Removal device, casting machine, and removal method |
Also Published As
| Publication number | Publication date |
|---|---|
| KR930001052B1 (en) | 1993-02-13 |
| KR890009505A (en) | 1989-08-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5145322B2 (en) | Long wear side dam | |
| US3670089A (en) | Apparatus for electroslag remelting of metals with molten slag introduction | |
| JPH01154864A (en) | Method and device for removing foreign material | |
| JP2002508496A (en) | Melting and casting of special metals | |
| US2248628A (en) | Method of casting metal bodies | |
| US5360204A (en) | Boom and lance for removing slag from crucible | |
| CN108500446B (en) | Molten nozzle electroslag welding method and arc quenching device thereof | |
| JPS6150065B2 (en) | ||
| US3523995A (en) | Installation for casting metal with the electroslag refining thereof | |
| JPS5930468A (en) | Removing method of clogging in nozzle | |
| US3945818A (en) | Method for electroslag remelting with slag introduction and current circuit | |
| US4049039A (en) | Method and apparatus for the production of solid forging blocks with manipulator pins | |
| US4150971A (en) | Start-up method for an electroslag remelting system | |
| US4115654A (en) | Introduction of starting molten flux from the top of a crucible | |
| JPH0394967A (en) | Method for discharging molten metal from bottom pouring type vessel | |
| US3736124A (en) | Method for electroslag remelting of metals with slag introduction | |
| KR930008545B1 (en) | Billet continuance casting machine | |
| CN105925817B (en) | A kind of dummy electrode docking facilities | |
| JPS59202157A (en) | Method and device for charging of molten metal | |
| JP4201653B2 (en) | Method for producing aluminum alloy | |
| US6375702B1 (en) | Consumable electrode electroslag refining feed systems and methods | |
| JPS61169145A (en) | Method for electrically heating molten-metal flowing pipe | |
| US3654373A (en) | Apparatus for initiating the heat generation phase of an electroslag refining process | |
| JPH0399770A (en) | Method and apparatus for melting and casting | |
| JP2501722Y2 (en) | melting furnace |