JPH06330205A - Material charging method in melting of al-li alloy - Google Patents
Material charging method in melting of al-li alloyInfo
- Publication number
- JPH06330205A JPH06330205A JP5139557A JP13955793A JPH06330205A JP H06330205 A JPH06330205 A JP H06330205A JP 5139557 A JP5139557 A JP 5139557A JP 13955793 A JP13955793 A JP 13955793A JP H06330205 A JPH06330205 A JP H06330205A
- Authority
- JP
- Japan
- Prior art keywords
- furnace
- melting
- charged
- materials
- melting furnace
- 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
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Landscapes
- Crucibles And Fluidized-Bed Furnaces (AREA)
- Furnace Details (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、Ａｌ−Ｌｉ合金溶解に
おける材料装入方法、特にＡｌ−Ｌｉ合金溶解における
溶解効率の向上を図り、操業の安全性向上を確保できる
Ａｌ−Ｌｉ合金溶解における材料装入方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a material charging method for melting an Al-Li alloy, particularly for improving the melting efficiency in melting an Al-Li alloy and ensuring the safety of an operation in melting an Al-Li alloy. Material charging method
【０００２】[0002]
【従来の技術】合金元素としてリチウムを含有するＡｌ
−Ｌｉ合金の溶解は、合金の酸化や水素ガス吸収による
耐火物との反応を防ぐため、真空雰囲気あるいはアルゴ
ンガス、窒素ガス等の不活性雰囲気で行われる。Ａｌ−
Ｌｉ合金の溶解作業においても、溶解途中で材料を追加
装入する場合があるが、この場合、材料の追加装入を常
温で行うと溶解炉中の溶融金属の温度が大きく低下する
から溶解効率の点で問題があり、もし追加装入材料に水
分が付着していたような場合には、溶融金属中への材料
投入時に付着水分が急激に加熱されて水蒸気爆発を起こ
す危険性もあり、安全操業上大きな問題となる。2. Description of the Related Art Al containing lithium as an alloying element
The melting of the Li alloy is performed in a vacuum atmosphere or an inert atmosphere such as argon gas or nitrogen gas in order to prevent the alloy from oxidizing and reacting with the refractory due to absorption of hydrogen gas. Al-
In the melting operation of Li alloy, additional material may be additionally charged during melting, but in this case, if the additional material is additionally charged at room temperature, the temperature of the molten metal in the melting furnace drops significantly, so the melting efficiency There is a problem in that, if moisture is attached to the additional charging material, there is a risk that the attached moisture will be rapidly heated when the material is put into the molten metal, causing a steam explosion, It becomes a big problem in safe operation.
【０００３】[0003]
【発明が解決しようとする課題】本発明は、Ａｌ−Ｌｉ
合金溶解における材料追加装入時の上記問題点を解消す
るためになされたものであり、その目的は、追加装入材
料を特定の条件で加熱した後溶解炉に装入することによ
って溶解効率を向上させ、操業の安全を図ることができ
るＡｌ−Ｌｉ合金溶解における材料装入方法を提供する
ことにあるSUMMARY OF THE INVENTION The present invention is directed to Al--Li.
This was done in order to solve the above problems at the time of additional charging of materials in alloy melting, and the purpose is to improve the melting efficiency by charging the additional charging material under specific conditions and then charging it into the melting furnace. An object of the present invention is to provide a material charging method in Al-Li alloy melting, which can improve the operation safety.
【０００４】[0004]
【課題を解決するための手段】上記の目的を達成するた
めの本発明によるＡｌ−Ｌｉ合金溶解における材料装入
方法は、誘導溶解炉でＡｌ−Ｌｉ合金を溶解するに際
し、該溶解炉近傍に誘導加熱コイルを具えた加熱炉を配
設し、該加熱炉内を非酸化性雰囲気として溶解炉に装入
すべき材料を加熱した後、非酸化性雰囲気を保持したま
ま該材料を溶解炉に装入することを構成上の特徴とし、
加熱炉の誘導加熱コイルが楕円形状に形成され、材料が
楕円形状コイルの一端部から装入され、楕円の長軸方向
に形成された傾斜に沿って移動し、誘導コイルの他端部
からプッシャーにより排出されることを本発明実施上の
好ましい態様とする。In order to achieve the above object, the material charging method in Al-Li alloy melting according to the present invention is such that when an Al-Li alloy is melted in an induction melting furnace, it is placed in the vicinity of the melting furnace. A heating furnace equipped with an induction heating coil is provided, and after heating the material to be charged into the melting furnace as a non-oxidizing atmosphere in the heating furnace, the material is placed in the melting furnace while maintaining the non-oxidizing atmosphere. Charging is a structural feature,
The induction heating coil of the heating furnace is formed in an elliptical shape, the material is charged from one end of the elliptical coil, moves along the slope formed in the long axis direction of the ellipse, and the pusher is inserted from the other end of the induction coil. It is a preferable mode for carrying out the present invention to discharge the gas.
【０００５】[0005]
【作用】本発明は、溶解炉へ追加装入すべき材料を非酸
化性雰囲気とした加熱炉内で加熱し、非酸化性雰囲気を
保持したまま溶解炉へ装入するものであるから、装入材
料の酸化が防止され、炉内溶融金属の温度低下が少なく
なって溶解効率が向上する。In the present invention, the material to be additionally charged into the melting furnace is heated in a heating furnace in a non-oxidizing atmosphere and charged into the melting furnace while maintaining the non-oxidizing atmosphere. Oxidation of the filler material is prevented, the temperature drop of the molten metal in the furnace is reduced, and the melting efficiency is improved.
【０００６】[0006]
【実施例】以下、本発明の実施例を説明する。 実施例 図１に示すように、誘導溶解炉Ｆに近傍に加熱炉１を設
置する。溶解炉Ｆおよび加熱炉１は、密閉容器内に収め
不活性雰囲気とするのが望ましい。加熱炉１には、特に
図２に示されるように、楕円形状の誘導加熱コイル２が
配設される。誘導加熱コイル２は耐火物でライニングさ
れ、材料Ｍの供給口３および排出口４を設けるととも
に、下面に材料Ｍを支持するための水冷式スキッドレー
ル５、供給口３から装入される材料Ｍの端部に当接し装
入材料のそれ以上の進入を阻止するための水冷式ストッ
パー６を配置する。誘導加熱コイル２には、装入された
材料が排出口４側へ移動し易いように、供給口３側から
排出口４側へ向かって下方に傾斜させる機構を設けるの
が好ましい。誘導加熱コイル２の排出口４側にプッシャ
ー１０を配設し、誘導加熱コイル２内で加熱された材料
Ｍ-2を排出口４から溶解炉Ｆへ向かって押し出すように
する。EXAMPLES Examples of the present invention will be described below. Example As shown in FIG. 1, the heating furnace 1 is installed in the vicinity of the induction melting furnace F. It is desirable that the melting furnace F and the heating furnace 1 be housed in a closed container and have an inert atmosphere. As shown in FIG. 2, the heating furnace 1 is provided with an elliptical induction heating coil 2. The induction heating coil 2 is lined with a refractory material, and is provided with a supply port 3 and a discharge port 4 for the material M, and a water-cooled skid rail 5 for supporting the material M on the lower surface, and a material M charged from the supply port 3. A water-cooled stopper 6 is provided which abuts the end of the container to prevent further introduction of the charging material. The induction heating coil 2 is preferably provided with a mechanism for inclining downwardly from the supply port 3 side to the discharge port 4 side so that the charged material can easily move to the discharge port 4 side. The pusher 10 is arranged on the discharge port 4 side of the induction heating coil 2 so that the material M-2 heated in the induction heating coil 2 is pushed out from the discharge port 4 toward the melting furnace F.
【０００７】材料の加熱操作について説明すると、図
１、図２に示すように、溶解炉Ｆに追加装入すべき材料
Ｍ，例えばＡｌ−Ｌｉ母合金等は、誘導加熱コイル２を
具えた加熱炉１の材料供給口３からスキッドレール５に
沿って矢印Ｘ方向に移動し炉内に装入される。装入され
た材料Ｍ-1はストッパー６に当接した後、前記傾斜に沿
ってスキッドレール５上を矢印Ｙ方向に転動し、排出口
４側へ移動し、ストッパー６′に当接する。同様にして
複数の材料が供給口３から加熱コイル２内に装入され
る。全材料の装入が完了した後、加熱炉１内を27Paに減
圧してアルゴンガスを封入し、高周波電流により773Kに
加熱する。加熱された材料のうち、排出口4側に位置す
る材料Ｍ-2をプッシャー１０により排出口４からＺ方向
に押し出す。押し出された材料Ｍ-3は、ベローズ７、ゲ
ート弁８を通過し、通路９を通して不活性雰囲気を保持
したまま溶解炉Ｆに装入される。Explaining the heating operation of the material, as shown in FIGS. 1 and 2, the material M to be additionally charged in the melting furnace F, such as an Al--Li mother alloy, is heated by the induction heating coil 2. The material is moved from the material supply port 3 of the furnace 1 along the skid rail 5 in the direction of arrow X and charged into the furnace. The charged material M-1 abuts on the stopper 6, and then rolls on the skid rail 5 in the direction of the arrow Y along the inclination, moves to the discharge port 4 side, and abuts on the stopper 6 '. Similarly, a plurality of materials are charged into the heating coil 2 from the supply port 3. After the charging of all the materials is completed, the pressure inside the heating furnace 1 is reduced to 27 Pa, argon gas is filled therein, and the furnace is heated to 773 K by a high frequency current. Of the heated materials, the material M-2 located on the discharge port 4 side is pushed out from the discharge port 4 in the Z direction by the pusher 10. The extruded material M-3 passes through the bellows 7 and the gate valve 8 and is charged into the melting furnace F while maintaining an inert atmosphere through the passage 9.
【０００８】誘導加熱コイル２は楕円形状に形成され複
数個の追加装入材料を収納することができるため、装入
作業を効率的に行うことができ、加熱コイル内に供給さ
れた材料は、ストッパー６に当接するまで押し込まれた
のちスキッドレール５上を転動して排出口４側から順に
セットされる結果、加熱コイル２内での装入位置が特定
されるから一定した加熱が可能となる。加熱コイルは冷
却水を通すことによって誘導加熱による自己溶損を防
ぎ、加熱コイル内部に耐火ライニング層を形成すること
によって、加熱された材料からコイルへの輻射熱を遮蔽
し絶縁部の保護を行う。スキッドレールおよびストッパ
ーの誘導加熱による過熱、溶損もこれらを水冷構造とす
ることによって防止し、加熱コイル周辺の機器の誘導加
熱は加熱コイル外周部に帰磁路鉄心を配置することによ
り防止する。Since the induction heating coil 2 is formed in an elliptical shape and can accommodate a plurality of additional charging materials, the charging operation can be efficiently performed, and the material supplied into the heating coil is After being pushed in until it comes into contact with the stopper 6, it rolls on the skid rail 5 and is set in order from the discharge port 4 side. As a result, the charging position in the heating coil 2 is specified, so that constant heating is possible. Become. The heating coil prevents self-melting loss due to induction heating by passing cooling water, and forms a refractory lining layer inside the heating coil to shield radiant heat from the heated material to the coil and protect the insulating portion. Overheating and melting damage due to induction heating of the skid rail and stopper are also prevented by making them water-cooling structure, and induction heating of equipment around the heating coil is prevented by disposing a return path core around the heating coil.
【０００９】[0009]
【発明の効果】以上のとおり、本発明によれば、Ａｌ−
Ｌｉ合金溶解における追加材料の装入を、溶解炉の雰囲
気を汚染することなく且つ溶湯温度を急激に低下させる
ことなく行うことができ、また水蒸気爆発の危険性もな
くなるから、溶解効率が向上し安全な操業が確保され
る。As described above, according to the present invention, Al-
It is possible to charge the additional material in melting the Li alloy without polluting the atmosphere of the melting furnace and without drastically lowering the temperature of the molten metal, and eliminating the risk of steam explosion, so that the melting efficiency is improved. Safe operation is secured.
【図１】本発明を実施する装置の実施例を示す一部を切
り欠いた平面図である。FIG. 1 is a partially cutaway plan view showing an embodiment of an apparatus for carrying out the present invention.
【図２】図１の装置のうち誘導加熱コイル部を示す一部
斜視図である。FIG. 2 is a partial perspective view showing an induction heating coil portion of the apparatus shown in FIG.
１ 加熱炉 ２ 誘導加熱コイル ３ 供給口 ４ 排出口 ５ スキッドレール ６ ストッパー ６′ ストッパー ７ ベローズ ８ ゲート弁 ９ 通路 10 プッシャー Ｍ 装入材料 Ｆ 溶解炉 1 heating furnace 2 induction heating coil 3 supply port 4 discharge port 5 skid rail 6 stopper 6'stopper 7 bellows 8 gate valve 9 passage 10 pusher M charging material F melting furnace
───────────────────────────────────────────────────── フロントページの続き (72)発明者 大園 智哉 三重県四日市市小古曽東２丁目２番２号 株式会社アリシウム内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Tomoya Ozono 2-2-2 Kogoso Higashi, Yokkaichi-shi, Mie Aricium Co., Ltd.
Claims (2)
に際し、該溶解炉近傍に誘導加熱コイルを具えた加熱炉
を配設し、該加熱炉内を非酸化性雰囲気として溶解炉に
装入すべき材料を加熱した後、非酸化性雰囲気を保持し
たまま該材料を溶解炉に装入することを特徴とするＡｌ
−Ｌｉ合金における材料装入方法。1. When melting an Al-Li alloy in an induction melting furnace, a heating furnace equipped with an induction heating coil is arranged in the vicinity of the melting furnace, and the inside of the heating furnace is set as a non-oxidizing atmosphere in the melting furnace. After heating the material to be charged, the material is charged into the melting furnace while maintaining a non-oxidizing atmosphere.
-Material charging method in Li alloy.
成され、材料が楕円形状誘導加熱コイルの一端部から装
入され、楕円の長軸方向に形成された傾斜に沿って移動
し、誘導コイルの他端部からプッシャーにより排出され
る請求項１記載のＡｌ−Ｌｉ合金溶解における材料装入
方法。2. The induction heating coil of the heating furnace is formed into an elliptical shape, and the material is charged from one end of the elliptical induction heating coil, and the material is moved along an inclination formed in the longitudinal direction of the ellipse to induce the induction heating coil. The material charging method for melting an Al-Li alloy according to claim 1, wherein the material is discharged from the other end of the coil by a pusher.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5139557A JPH06330205A (en) | 1993-05-18 | 1993-05-18 | Material charging method in melting of al-li alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5139557A JPH06330205A (en) | 1993-05-18 | 1993-05-18 | Material charging method in melting of al-li alloy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH06330205A true JPH06330205A (en) | 1994-11-29 |
Family
ID=15248040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5139557A Pending JPH06330205A (en) | 1993-05-18 | 1993-05-18 | Material charging method in melting of al-li alloy |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH06330205A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015114563A1 (en) * | 2014-01-31 | 2015-08-06 | Danieli & C. Officine Meccaniche S.P.A. | Apparatus for heating and transferring metal materials for a melting plant, and method for melting metal materials |
| CN113280624A (en) * | 2021-05-25 | 2021-08-20 | 哈尔滨工业大学 | Amorphous alloy induction heating smelting feeding mechanism and feeding method |
-
1993
- 1993-05-18 JP JP5139557A patent/JPH06330205A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015114563A1 (en) * | 2014-01-31 | 2015-08-06 | Danieli & C. Officine Meccaniche S.P.A. | Apparatus for heating and transferring metal materials for a melting plant, and method for melting metal materials |
| CN106461331A (en) * | 2014-01-31 | 2017-02-22 | 达涅利机械设备股份公司 | Apparatus for heating and transferring metal materials for a melting plant, and melting plant including the apparatus |
| JP2017505892A (en) * | 2014-01-31 | 2017-02-23 | ダニエリ アンド シー．オフィス メカニケ エスピーエーＤａｎｉｅｌｉ＆Ｃ．Ｏｆｆｉｃｉｎｅ Ｍｅｃｃａｎｉｃｈｅ Ｓｐａ | Apparatus for heating and transferring metallic materials for a melting plant and melting plant comprising the apparatus |
| CN106461331B (en) * | 2014-01-31 | 2018-09-18 | 达涅利机械设备股份公司 | For the heating of smelter and the device of transport various metals material and include the smelter of described device |
| US10571194B2 (en) | 2014-01-31 | 2020-02-25 | Danieli & C. Officine Meccaniche Spa | Apparatus for heating and transferring metal materials for a melting plant, and method for melting metal materials |
| CN113280624A (en) * | 2021-05-25 | 2021-08-20 | 哈尔滨工业大学 | Amorphous alloy induction heating smelting feeding mechanism and feeding method |
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