JP2000176613A - Method for dispersing fine gas bubble into molten metal, device therefor and fine gas bubble-containing metal - Google Patents
Method for dispersing fine gas bubble into molten metal, device therefor and fine gas bubble-containing metalInfo
- Publication number
- JP2000176613A JP2000176613A JP10358552A JP35855298A JP2000176613A JP 2000176613 A JP2000176613 A JP 2000176613A JP 10358552 A JP10358552 A JP 10358552A JP 35855298 A JP35855298 A JP 35855298A JP 2000176613 A JP2000176613 A JP 2000176613A
- Authority
- JP
- Japan
- Prior art keywords
- molten metal
- fine bubbles
- reaction vessel
- dispersing
- bubbles
- 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.)
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Classifications
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- 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
- Y02P10/20—Recycling
Landscapes
- Continuous Casting (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、溶融金属中へ、半
径５ｍｍ以下の任意の一定の大きさに制御された微細気
泡を、必要量導入分散する方法とその装置および微細気
泡の含有された金属に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and an apparatus for introducing and dispersing a required amount of microbubbles controlled to an arbitrary constant size having a radius of 5 mm or less into a molten metal, an apparatus therefor, and a method for containing the microbubbles. It is about metal.
【０００２】[0002]
【従来の技術】溶融金属中へ微細気泡を導入すること
は、鉄鋼精錬・連鋳工程で気泡付着による微量介在非金
属の除去のため、さらには発泡金属の製造などへの応用
面などの点から必要なことである。2. Description of the Related Art The introduction of fine air bubbles into a molten metal is necessary in order to remove trace intervening non-metals by adhering air bubbles in a steel refining and continuous casting process, and further to the application to the production of foamed metal. It is necessary from.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、溶融金
属中へ濡れない気体（濡れないとは接触角９０°以上）
を、吹き込み分散させること、特にそれを微細気泡の状
態にすることは至難のことである。However, a gas that does not wet into the molten metal (a contact angle of 90 ° or more means that it does not wet).
Is particularly difficult to disperse by blowing, especially to make it into the state of fine bubbles.
【０００４】先に、本願発明者等は、水銀について、旋
回運動を与え遠心力を利用し、微細気泡が導入できるこ
とを見出したが〔ＣＡＭＰ−ＩＳＩＪ Ｖｏｌ．１０
（１９９７）−８０７『旋回流の付与による気泡の微細
化』〕、水銀、気泡の微細化のみならず、種々の溶融金
属について粒径など制御された微細気泡の導入法の技術
確立が望まれていた。[0004] The inventors of the present invention have previously found that fine bubbles can be introduced into mercury by imparting a swirling motion and utilizing centrifugal force [CAMP-ISIJ Vol. 10
(1997) -807 "Fine air bubbles by applying a swirling flow"], it is desired to establish not only the mercury and air bubbles but also techniques for introducing fine air bubbles of various molten metals with controlled particle diameters. I was
【０００５】本発明は、上記した状況に鑑みて、溶融金
属中へ、半径５ｍｍ以下の任意の一定の大きさに制御さ
れた微細気泡を、必要量導入分散する、溶融金属中への
微細気泡の分散方法、その装置および微細気泡含有金属
を提供することを目的とする。In view of the above situation, the present invention provides a method for introducing and dispersing a required amount of fine bubbles having a radius of 5 mm or less into a molten metal in a required amount. It is an object of the present invention to provide a dispersing method, an apparatus and a metal containing fine bubbles.
【０００６】[0006]
【課題を解決するための手段】本発明は、上記目的を達
成するために、 〔１〕溶融金属中への微細気泡の分散方法において、反
応容器内の溶融金属に旋回運動を付与し、前記反応容器
の壁面に形成される細孔からガスを導入し、微細気泡を
発生させ、比重差による遠心力を前記微細気泡に作用さ
せ、この微細気泡を前記反応容器の旋回中心に向かって
運動させるようにしたものである。In order to achieve the above object, the present invention provides: (1) a method for dispersing fine bubbles in a molten metal, wherein the molten metal in the reaction vessel is provided with a swirling motion; A gas is introduced from pores formed on the wall surface of the reaction vessel to generate fine bubbles, and a centrifugal force due to a difference in specific gravity is applied to the fine bubbles to move the fine bubbles toward the center of rotation of the reaction vessel. It is like that.
【０００７】〔２〕上記〔１〕記載の溶融金属中への微
細気泡の分散方法において、前記微細気泡の半径ｂが、
ｂ＝（２ＲＴ／ρ）1/2 ／Ｗ、ここで、Ｒは反応容器の
旋回中心より壁面迄の距離、Ｔは溶融金属の表面張力、
ρは溶融金属の密度、Ｗは壁面での溶融金属の旋回速度
であるようにしたものである。[2] The method for dispersing fine bubbles in molten metal according to the above [1], wherein the radius b of the fine bubbles is
b = (2RT / ρ) 1/2 / W, where R is the distance from the center of rotation of the reaction vessel to the wall, T is the surface tension of the molten metal,
ρ is the density of the molten metal, and W is the swirling speed of the molten metal on the wall surface.
【０００８】〔３〕溶融金属中への微細気泡の分散装置
において、反応容器の壁面に形成される細孔から微細気
泡を導入する第１の手段と、前記反応容器内に収納され
る溶融金属に旋回運動を付与する第２の手段とを具備す
るようにしたものである。[3] In a device for dispersing fine bubbles in a molten metal, a first means for introducing fine bubbles from pores formed in a wall surface of a reaction vessel, and a molten metal contained in the reaction vessel And a second means for imparting a turning motion to the vehicle.
【０００９】〔４〕上記〔３〕記載の溶融金属中への微
細気泡の分散装置において、前記反応容器は漏斗状をし
た容器である。[4] In the apparatus for dispersing fine bubbles in molten metal according to the above [3], the reaction vessel is a funnel-shaped vessel.
【００１０】〔５〕上記〔３〕記載の溶融金属中への微
細気泡の分散装置において、前記反応容器を機械的に回
転させるようにしたものである。[5] The apparatus for dispersing fine bubbles in molten metal according to [3], wherein the reaction vessel is mechanically rotated.
【００１１】〔６〕上記〔３〕記載の溶融金属中への微
細気泡の分散装置において、前記反応容器を電磁的に回
転させるようにしたものである。[6] The apparatus for dispersing fine bubbles in molten metal according to [3], wherein the reaction vessel is electromagnetically rotated.
【００１２】〔７〕反応容器内の溶融金属に旋回運動を
付与し、前記反応容器の壁面に形成される細孔から微細
気泡を導入し、比重差による遠心力を微細気泡に作用さ
せ、微細気泡を前記反応容器の旋回中心に向かって運動
させ、微細気泡を導入後、冷却して得られる微細気泡含
有金属を得るようにしたものである。[7] A swirling motion is applied to the molten metal in the reaction vessel, fine bubbles are introduced from pores formed on the wall surface of the reaction vessel, and centrifugal force due to a difference in specific gravity acts on the fine bubbles. The bubbles are moved toward the center of rotation of the reaction vessel, and after introducing the fine bubbles, a metal containing fine bubbles is obtained by cooling.
【００１３】[0013]
【発明の実施の形態】以下、本発明の実施の形態につい
て詳細に説明する。Embodiments of the present invention will be described below in detail.
【００１４】本発明は、溶融金属について、半径５ｍｍ
以下の任意の一定の大きさに制御された微細気泡を、次
式に従って諸条件を設定することで、導入分散するよう
にしたものである。According to the present invention, the molten metal has a radius of 5 mm.
The following fine bubbles controlled to an arbitrary constant size are introduced and dispersed by setting various conditions according to the following equation.
【００１５】ｂ＝（２ＲＴ／ρ）1/2 ／Ｗ ここで、ｂ；生成される気泡の半径、Ｒ；容器の旋回中
心より壁迄の距離、Ｔ；溶融金属の表面張力、ρ；溶融
金属の密度、Ｗ；旋回速度ここで、気泡の数は、気泡径
が設定されるから、気体吹き込み量で決めることができ
る。B = (2RT / ρ) 1/2 / W where, b: radius of generated bubble, R: distance from center of rotation of container to wall, T: surface tension of molten metal, ρ: melting Metal density, W; swirling speed Here, the number of bubbles can be determined by the gas blowing amount because the bubble diameter is set.
【００１６】以下、この微細気泡の分散装置の一例につ
いて説明する。Hereinafter, an example of the fine bubble dispersing apparatus will be described.
【００１７】図１は本発明の第１実施例を示す溶融金属
中への微細気泡の分散装置の反応容器の下部斜視図、図
２はその微細気泡の分散装置のｋ＝５の断面図、図３は
その微細気泡の分散装置のｋ＝２１の断面図、図４はそ
の微細気泡の分散の説明図、図５はその微細気泡の半径
と接線方向の速度との特性図である。FIG. 1 is a lower perspective view of a reaction vessel of a device for dispersing fine bubbles in molten metal showing a first embodiment of the present invention, FIG. 2 is a cross-sectional view of the device for dispersing fine bubbles in k = 5, FIG. 3 is a sectional view of the fine bubble dispersing device at k = 21, FIG. 4 is an explanatory diagram of the fine bubble dispersion, and FIG. 5 is a characteristic diagram of the radius of the fine bubbles and the tangential velocity.
【００１８】反応容器１内の液体に旋回運動を付与し、
反応容器の壁面２の細孔３よりガス４を供給すると比重
差による遠心力が気泡５に作用し、気泡５は旋回中心
（ノズル軸）６に向かって運動する。このとき生成され
る気泡５の半径ｂは釣合いの式から ｂ＝（２ＲＴ／ρ）1/2 ／Ｗ で与えられる。ここで、Ｒは反応容器の旋回中心（ノズ
ル軸）６より壁面２迄の距離、Ｔは液体の表面張力、ρ
は液体の密度、Ｗは壁面２での液体の旋回速度である。
この式を水銀／空気系に適用すると、１ｍ／ｓ程度の旋
回速度で半径２．５ｍｍの気泡が生成し、計算と良く一
致する。A swirling motion is given to the liquid in the reaction vessel 1,
When the gas 4 is supplied from the pores 3 of the wall surface 2 of the reaction vessel, a centrifugal force due to a difference in specific gravity acts on the bubbles 5, and the bubbles 5 move toward the center of rotation (nozzle axis) 6. The radius b of the bubble 5 generated at this time is given by b = (2RT / ρ) 1/2 / W from the equation of balance. Here, R is the distance from the center of rotation (nozzle axis) 6 of the reaction vessel to the wall surface 2, T is the surface tension of the liquid, ρ
Is the density of the liquid, and W is the swirling speed of the liquid on the wall surface 2.
When this equation is applied to a mercury / air system, a bubble with a radius of 2.5 mm is generated at a swirling speed of about 1 m / s, which agrees well with the calculation.
【００１９】また、溶鋼の場合、その物性値より水銀の
２．５倍となる。従って、旋回速度１ｍ／ｓで半径６．
３ｍｍの気泡、２ｍ／ｓでは半分の３．１ｍｍの気泡の
発生が期待される。In the case of molten steel, the physical property value is 2.5 times that of mercury. Therefore, at a turning speed of 1 m / s, a radius of 6.
It is expected that a bubble of 3 mm and a bubble of 3.1 mm, which is half at 2 m / s, will be generated.
【００２０】このような旋回速度を作り出すことは、比
較的容易である。It is relatively easy to produce such a turning speed.
【００２１】溶鋼の落下のエネルギーを接線方向の運動
に変え、図１及び図２に示すような漏斗状の反応容器１
に流し込むと、その反応容器１の絞られた部分では接線
方向の速度は加速される。このような反応容器１の設計
は可能である。その絞り部分にガス４を供給すると容易
に溶鋼中に取り込まれることから、反応面積の大きい気
液系が作り出せる。このようなプロセスとしては脱炭プ
ロセスへの適用が考えられる。The energy of the falling of the molten steel is converted into tangential motion, and the funnel-shaped reaction vessel 1 shown in FIGS.
, The speed in the tangential direction is accelerated in the narrowed portion of the reaction vessel 1. Such a design of the reaction vessel 1 is possible. When the gas 4 is supplied to the constricted portion, it is easily taken into the molten steel, so that a gas-liquid system having a large reaction area can be created. As such a process, application to a decarburization process can be considered.
【００２２】図６は本発明の第２実施例を示す溶融金属
中への微細気泡の分散装置の断面模式図、図７はその微
細気泡の分散装置の平面模式図である。FIG. 6 is a schematic sectional view of an apparatus for dispersing fine bubbles in molten metal according to a second embodiment of the present invention, and FIG. 7 is a schematic plan view of the apparatus for dispersing fine bubbles in molten metal.
【００２３】この図において、１０は溶融金属、１１は
反応容器、１２は反応容器の壁面、１３はその壁面に接
続される細孔、１４はガス、１５は気泡、１６は回転磁
場を印加するための磁石である。In this figure, 10 is a molten metal, 11 is a reaction vessel, 12 is a wall of the reaction vessel, 13 is a pore connected to the wall, 14 is a gas, 15 is a bubble, and 16 is a rotating magnetic field. For the magnet.
【００２４】この実施例では、反応容器１１内の溶融金
属１０に磁石１６による回転磁場を印加し、その結果生
じる誘導電流とその回転磁場との相互作用による駆動力
（ローレンツ力）により、溶融金属１０を回転させるよ
うにしている。In this embodiment, a rotating magnetic field by the magnet 16 is applied to the molten metal 10 in the reaction vessel 11, and a driving force (Lorentz force) due to an interaction between the resulting induced current and the rotating magnetic field causes the molten metal to rotate. 10 is rotated.
【００２５】気泡の分散方法は、第１実施例と同様であ
る。The method of dispersing bubbles is the same as in the first embodiment.
【００２６】すなわち、反応容器１１内の溶融金属１０
に磁石１６による回転磁場を印加することにより、溶融
金属１０に旋回運動を付与し、壁面１２の細孔１３より
ガス１４を供給すると、比重差による遠心力が気泡１５
に作用し、気泡１５は旋回中心に向かって運動する。こ
のとき生成される気泡の半径ｂは釣合いの式から、 ｂ＝（２ＲＴ／ρ）1/2 ／Ｗ で与えられる。That is, the molten metal 10 in the reaction vessel 11
When a rotating magnetic field is applied to the molten metal 10 by applying a rotating magnetic field to the molten metal 10 and gas 14 is supplied from the pores 13 of the wall surface 12, centrifugal force due to the difference in specific gravity causes bubbles 15.
And the bubble 15 moves toward the center of rotation. The radius b of the bubble generated at this time is given by b = (2RT / ρ) 1/2 / W from the equation of balance.
【００２７】なお、鉄鋼精錬において、溶融金属中に介
在する微量非金属を気泡付着により効率よく除去する為
には、溶融金属中へ導入する気泡がより細かく定量的で
ある必要があるが、本発明はそのような分野に好適であ
る。In steel refining, in order to efficiently remove trace nonmetals present in the molten metal by adhering bubbles, it is necessary that bubbles introduced into the molten metal be finer and more quantitative. The invention is suitable for such a field.
【００２８】特に、近年、微量な介在非金属の除去が、
より厳しく要求されていることからしても、本発明の適
用のもたらす効果は著大である。In particular, in recent years, the removal of trace intervening nonmetals has
The effects brought by the application of the present invention are remarkable even from the stricter requirements.
【００２９】また、ポーラス金属の製造方法は、化学的
発泡手法を使うとか、金属微粉からつくるとかの方法が
採用されているようであるが、本発明は、そのようなポ
ーラス金属の製造にも適用することができる。Further, as a method for producing a porous metal, it seems that a method of using a chemical foaming method or a method of producing from a metal fine powder is employed, but the present invention is also applicable to the production of such a porous metal. Can be applied.
【００３０】また、溶融される金属は、特に限定される
ものではなく、何でもよいという利点がある。Further, the metal to be melted is not particularly limited, and has an advantage that any metal may be used.
【００３１】更に、導入する気体は、常温気体状のもの
が一般的であるが、操作時に、気体状に変化するものも
あっても良い。Further, the gas to be introduced is generally in a gaseous state at room temperature, but may be changed into a gaseous state during operation.
【００３２】また、本発明によった溶融金属中への微細
気泡の分散方法による、気泡導入後、冷却して得られる
微細気泡含有金属（発泡状態のもの、また微量介在非金
属の除去、減少したもの）も、本発明の権利範囲にあ
る。In addition, according to the method for dispersing fine bubbles in a molten metal according to the present invention, a fine bubble-containing metal (in a foamed state, and a small amount of nonmetals removed and reduced) obtained by cooling after introducing the bubbles. Are also within the scope of the present invention.
【００３３】また、本発明は上記実施例に限定されるも
のではなく、本発明の趣旨に基づいて種々の変形が可能
であり、これらを本発明の範囲から排除するものではな
い。The present invention is not limited to the above-described embodiment, but various modifications are possible based on the spirit of the present invention, and these are not excluded from the scope of the present invention.
【００３４】[0034]
【発明の効果】以上、詳細に説明したように、本発明に
よれば、以下のような効果を奏することができる。As described above, according to the present invention, the following effects can be obtained.
【００３５】（Ａ）微細気泡を溶融金属中へ、その大き
さ、数をコントロールして、導入することができる。(A) Fine bubbles can be introduced into the molten metal by controlling the size and number thereof.
【００３６】（Ｂ）溶融金属中へ、半径５ｍｍ以下の任
意の一定の大きさに制御された微細気泡を、必要量導入
分散することができる。(B) A required amount of fine bubbles having a radius of 5 mm or less and controlled to an arbitrary constant size can be introduced and dispersed in the molten metal.
【００３７】（Ｃ）鉄鋼精錬・連鋳工程で気泡付着によ
る微量介在非金属の除去のために有効である。(C) It is effective for removing minute amounts of non-metals interposed by bubbles in the steel refining and continuous casting process.
【図１】本発明の第１実施例を示す溶融金属中への微細
気泡の分散装置の反応容器の下部斜視図である。FIG. 1 is a perspective view of a lower part of a reaction vessel of an apparatus for dispersing fine bubbles in molten metal according to a first embodiment of the present invention.
【図２】本発明の第１実施例を示す溶融金属中への微細
気泡の分散装置のｋ＝５の断面図である。FIG. 2 is a cross-sectional view at k = 5 of the apparatus for dispersing fine bubbles in molten metal according to the first embodiment of the present invention.
【図３】本発明の第１実施例を示す溶融金属中への微細
気泡の分散装置のｋ＝２１の断面図である。FIG. 3 is a cross-sectional view at k = 21 of the apparatus for dispersing fine bubbles in molten metal according to the first embodiment of the present invention.
【図４】本発明の第１実施例を示す溶融金属中への微細
気泡の分散の説明図である。FIG. 4 is a diagram illustrating dispersion of fine bubbles in molten metal according to the first embodiment of the present invention.
【図５】本発明の第１実施例を示す溶融金属中への微細
気泡の半径と接線方向の速度との特性図である。FIG. 5 is a characteristic diagram showing a radius of fine bubbles and a velocity in a tangential direction in a molten metal according to the first embodiment of the present invention.
【図６】本発明の第２実施例を示す溶融金属中への微細
気泡の分散装置の断面模式図である。FIG. 6 is a schematic cross-sectional view of an apparatus for dispersing fine bubbles in molten metal according to a second embodiment of the present invention.
【図７】本発明の第２実施例を示す溶融金属中への微細
気泡の分散装置の平面模式図である。FIG. 7 is a schematic plan view of an apparatus for dispersing fine bubbles in molten metal according to a second embodiment of the present invention.
１，１１ 反応容器 ２，１２ 壁面 ３，１３ 細孔 ４，１４ ガス ５，１５ 気泡 ６ 旋回中心（ノズル軸） １０ 溶融金属 １６ 磁石 1,11 Reaction vessel 2,12 Wall surface 3,13 Pores 4,14 Gas 5,15 Bubble 6 Center of rotation (nozzle axis) 10 Molten metal 16 Magnet
Claims (7)
いて、 反応容器内の溶融金属に旋回運動を付与し、前記反応容
器の壁面に形成される細孔からガスを導入し、微細気泡
を発生させ、比重差による遠心力を前記微細気泡に作用
させ、該微細気泡を前記反応容器の旋回中心に向かって
運動させることを特徴とする溶融金属中への微細気泡の
分散方法。In a method of dispersing fine bubbles in a molten metal, a swirling motion is applied to the molten metal in a reaction vessel, and a gas is introduced from pores formed on a wall surface of the reaction vessel to form fine bubbles. A method for dispersing fine bubbles in a molten metal, wherein the fine bubbles are generated and a centrifugal force due to a difference in specific gravity is applied to the fine bubbles so as to move the fine bubbles toward the center of rotation of the reaction vessel.
の分散方法において、前記微細気泡の半径ｂは、ｂ＝
（２ＲＴ／ρ）1/2 ／Ｗ、ここで、Ｒは反応容器の旋回
中心より壁面迄の距離、Ｔは溶融金属の表面張力、ρは
溶融金属の密度、Ｗは壁面での溶融金属の旋回速度であ
ることを特徴とする溶融金属中への微細気泡の分散方
法。2. The method for dispersing fine bubbles in molten metal according to claim 1, wherein the radius b of the fine bubbles is b =
(2RT / ρ) 1/2 / W, where R is the distance from the center of rotation of the reaction vessel to the wall, T is the surface tension of the molten metal, ρ is the density of the molten metal, and W is the density of the molten metal on the wall. A method for dispersing fine air bubbles in molten metal, which is a swirling speed.
いて、（ａ）反応容器の壁面に形成される細孔から微細
気泡を導入する第１の手段と、（ｂ）前記反応容器内に
収納される溶融金属に旋回運動を付与する第２の手段と
を具備することを特徴とする溶融金属中への微細気泡の
分散装置。3. An apparatus for dispersing fine bubbles in molten metal, comprising: (a) first means for introducing fine bubbles from pores formed on the wall surface of the reaction vessel; and (b) And a second means for imparting a swirling motion to the stored molten metal. A device for dispersing fine air bubbles in the molten metal.
の分散装置において、前記反応容器は漏斗状をした容器
であることを特徴とする溶融金属中への微細気泡の分散
装置。4. The apparatus for dispersing fine bubbles in molten metal according to claim 3, wherein said reaction vessel is a funnel-shaped vessel.
の分散装置において、前記反応容器を機械的に回転させ
ることを特徴とする溶融金属中への微細気泡の分散装
置。5. The apparatus for dispersing fine bubbles in molten metal according to claim 3, wherein the reaction vessel is mechanically rotated.
の分散装置において、前記反応容器を電磁的に回転させ
ることを特徴とする溶融金属中への微細気泡の分散装
置。6. The apparatus for dispersing fine bubbles in molten metal according to claim 3, wherein the reaction vessel is electromagnetically rotated.
し、前記反応容器の壁面に形成される細孔から微細気泡
を導入し、比重差による遠心力を微細気泡に作用させ、
微細気泡を前記反応容器の旋回中心に向かって運動さ
せ、微細気泡を導入後、冷却して得られる微細気泡含有
金属。7. A swirling motion is applied to the molten metal in the reaction vessel to introduce fine bubbles from pores formed on the wall of the reaction vessel, and a centrifugal force due to a difference in specific gravity acts on the fine bubbles.
A fine-bubble-containing metal obtained by moving fine bubbles toward the center of rotation of the reaction vessel, introducing the fine bubbles, and then cooling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10358552A JP2000176613A (en) | 1998-12-17 | 1998-12-17 | Method for dispersing fine gas bubble into molten metal, device therefor and fine gas bubble-containing metal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10358552A JP2000176613A (en) | 1998-12-17 | 1998-12-17 | Method for dispersing fine gas bubble into molten metal, device therefor and fine gas bubble-containing metal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2000176613A true JP2000176613A (en) | 2000-06-27 |
Family
ID=18459914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10358552A Pending JP2000176613A (en) | 1998-12-17 | 1998-12-17 | Method for dispersing fine gas bubble into molten metal, device therefor and fine gas bubble-containing metal |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2000176613A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003112253A (en) * | 2001-06-15 | 2003-04-15 | Huette Klein-Reichenbach Gmbh | Apparatus and method of manufacturing foamy metal |
| EP3124249A1 (en) * | 2015-07-28 | 2017-02-01 | OCE-Technologies B.V. | Jetting device |
-
1998
- 1998-12-17 JP JP10358552A patent/JP2000176613A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003112253A (en) * | 2001-06-15 | 2003-04-15 | Huette Klein-Reichenbach Gmbh | Apparatus and method of manufacturing foamy metal |
| EP3124249A1 (en) * | 2015-07-28 | 2017-02-01 | OCE-Technologies B.V. | Jetting device |
| US10052689B2 (en) | 2015-07-28 | 2018-08-21 | Océ-Technologies B.V. | Jetting device |
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