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Method and apparatus for flow control in electroslag refining process

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B22D-023/00   
미국특허분류(USC) 75/1024 ; 75/101 ; 164/53
출원번호 US-0969905 (1992-11-02)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 53  인용 특허 : 0
초록
▼

A method of electroslag refining of metal is taught. The method starts with the introduction of unrefined metal into an electroslag refining process in which the unrefined metal is first melted at the upper surface of the refining slag. The molten metal in the form if droplets is refined as it passes through the molten slag. The refined metal droplets are collected in a cold hearth apparatus having a skull of refined metal formed on the surface of the cold hearth and protecting the cold hearth from the leaching action of the refined molten metal. A cold ...

대표
청구항

A method of controlling the flow of melt from a cold wall induction guide tube during electroslag refining comprising the steps of: providing a cold wall induction guide tube mechanism; providing a reservoir for the melt; providing a flow of the melt to and through the mechanism to form a stream exiting the mechanism; and directing a jet of gas, relative cooler than the melt, at the mechanism such that the melt stream is frozen in the mechanism whereby the flow of melt from the mechanism is stopped.

이 특허를 인용한 특허 피인용횟수: 53

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  7. Bruckner Raimund,DEX ; Grimm Daniel,DEX ; Lee Steve,GBX. Assembly of a tapping device and a cooled inductor. USP2001056226314.
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  15. Bruce Alan Knudsen ; Robert John Zabala ; Mark Gilbert Benz ; William Thomas Carter, Jr.. Consumable electrode electroslag refining feed systems and methods. USP2002046375702.
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  21. Forbes Jones, Robin M.. Ion plasma electron emitters for a melting furnace. USP2014068748773.
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  23. Forbes Jones, Robin M.; Kennedy, Richard L.. Melting furnace including wire-discharge ion plasma electron emitter. USP2014028642916.
  24. Kusamichi Tatsuhiko,JPX ; Sakamoto Koichi,JPX ; Ishida Hitoshi,JPX ; Ninagawa Shingo,JPX ; Nagao Motohiro,JPX ; Yoshikawa Katsuyuki,JPX. Melting method using cold crucible induction melting apparatus. USP2000116144690.
  25. Schlienger Eric ; Robertson Joanna M. ; Melgaard David ; Shelmidine Gregory J. ; Van Den Avyle James A.. Metals processing control by counting molten metal droplets. USP2000026019811.
  26. Forbes Jones, Robin M.. Method and apparatus for producing large diameter superalloy ingots. USP2010097803211.
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  35. Mark Gilbert Benz ; William Thomas Carter, Jr. ; Robert John Zabala ; Bruce Alan Knudsen. Nucleated casting systems and methods comprising the addition of powders to a casting. USP2002106460595.
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