[특허]Method for dispersing gas into a molten metal

Method for dispersing gas into a molten metal 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	C22B-009/00
출원번호	US-0570673 (1975-04-23)
발명자 / 주소	Chia Enrique C. (Carrollton GA) Forberg Helge Ole (Owensboro KY)
출원인 / 주소	Southwire Company (Carrollton GA 02)
인용정보	피인용 횟수 : 87 인용 특허 : 0

초록 ▼

A method of and apparatus for uniformly dispersing a gas into a molten metal bath by supplying gas to a rotatably mounted distributor located at a submerged zone beneath the bath surface while preventing physical contact between the gas and the molten metal; emitting the gas from the distributor in the form of a plurality of bubble jets into contact with the molten metal at said zone, said bubble jets exerting a reaction force on the distributor; and agitating the molten metal to effect uniform dispersion of the gas emitted therein by whirling the bubble jets in the molten metal, said whirling being accomplished by rotating the distributor in response to said reaction forces. The apparatus comprises a supply conduit connected at one end to a source of pressurized gas and connected at the other end to a rotatable hollow sleeve immersed in the molten metal. An array of apertures extend through the sleeve for discharging the gas into the molten metal in the form of numerous gas bubble jets and the apertures are arranged to discharge the gas bubble jets in mutually cooperative jetting directions to rotationally propel the sleeve about the supply conduit. The rotary movement of the sleeve causes the gas bubble jets to whirl about in the molten metal thereby agitating the molten metal to effect uniform dispersion of the gas within the molten metal.

대표청구항 ▼

A method of fluxing molten metal to remove dissolved gases and non-metallic impurities therefrom comprising the steps of: a. providing a fluxing gas which at least partially includes a component that is non-reactive with the molten metal; b. supplying the gas to a rotatably mounted distributor located at a submerged zone beneath the surface of the molten metal at a positive pressure sufficient to prevent physical contact between the gas and the molten metal upstream of the distributor; c. emitting the gas from the distributor into the molten metal in a plurality of very small bubble jets extending in a direction oblique to radial lines extending perpendicular to the axis of rotation of the distributor, said jets having a tangential component which exerts a reaction force on the distributor; and d. rotating the distributor solely in response to said reaction force in a direction opposite to the direction of said bubble jets emitted therefrom, thereby substantially preventing bubble coalescence in the region of the distributor and thus effecting uniform and complete dispersion of the bubbles through the molten metal.

이 특허를 인용한 특허 (87)

Dolzhenkov Boris S. (ulitsa Aerodromnaya ; 87 ; kv. 2 Kuibyshev SUX), Apparatus for stirring molten metal in container.
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Cooper, Paul V., Controlled molten metal flow from transfer vessel.
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McRae Dale L. (Fruitvale CAX) Willans Robert D. H. (Trail CAX) Mawer Eric L. (Fruitvale CAX), Method and apparatus for dissolving nickel in molten zinc.
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Cooper Paul V., Mixed flow rotor for molten metal pumping device.
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Megy Joseph A., Molten aluminum treatment.
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Quackenbush, Mark S., Molten metal degassing apparatus.
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MacNeal James R. (Painesville OH) Rack Timothy P. (Solon OH) Corns Ronald R. (Maumee OH), Process for degassing aluminum melts with sulfur hexafluoride.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
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연합인증

Method for dispersing gas into a molten metal 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

이 특허를 인용한 특허 (87)

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Method for dispersing gas into a molten metal 원문보기

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대표청구항 ▼

연구과제 타임라인

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이 특허를 인용한 특허 (87)

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