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公开(公告)号：US20240173766A1
公开(公告)日：2024-05-30
申请号：US18551632
申请日：2021-03-25
Applicant: ABB Schweiz AG
Inventor： Hongliang Yang , Bengt Rydholm , Lidong Teng , Monika Zielinska
IPC: B22D11/115
CPC classification number: B22D11/115
Abstract: The present invention provides a tundish for continuous casting, the tundish having an inner volume including an inlet portion including an inlet for receiving molten metal, an outlet portion including at least one outlet for discharging molten metal, and a flow separator. The tundish further includes an EMS stirrer for electromagnetic stirring, wherein, the flow separator is positioned between the inlet portion and the outlet portion, the EMS stirrer is disposed outside of the tundish, at a vertical position below the top of the inner volume of the tundish and above the bottom of the inner volume of the tundish, the EMS stirrer is disposed to make the molten metal in the outlet portion flow in a horizontal direction, and the flow which is directly induced by the EMS stirrer flows away from the inlet.
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公开(公告)号：US20210164731A1
公开(公告)日：2021-06-03
申请号：US17143415
申请日：2021-01-07
Applicant: ABB Schweiz AG , Tenova S.p.A.
Inventor： Lidong Teng , Anders Lehman , Hongliang Yang , Andrea Grasselli , Silvio Maria Reali
Abstract: A furnace assembly for a metal-making process, including: an electric arc furnace configured for flat bath operation and having a bottom, and an electromagnetic stirrer configured to be arranged underneath the bottom of the electric arc furnace to enable stirring of molten metal in the electric arc furnace.
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Patent Agency Ranking
公开(公告)号：US20190390908A1
公开(公告)日：2019-12-26
申请号：US16482033
申请日：2017-02-10
Applicant: ABB Schweiz AG , Tenova S.p.A.
Inventor： Lidong Teng , Anders Lehman , Hongliang Yang , Andrea Grasselli , Maria Silvio Reali
Abstract: A furnace assembly for a metal-making process, including: an electric arc furnace configured for flat bath operation and having a bottom, and an electromagnetic stirrer configured to be arranged underneath the bottom of the electric arc furnace to enable stirring of molten metal in the electric arc furnace.
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公开(公告)号：US09599401B2
公开(公告)日：2017-03-21
申请号：US14249028
申请日：2014-04-09
Applicant: ABB Schweiz AG
Inventor： Michael Lundh , Xiaojing Zhang , Jan-Erik Eriksson , Lidong Teng , Carl-Fredrik Lindberg
CPC classification number: F27D19/00 , C21C5/5211 , C21C2005/5276 , C21C2005/5288 , C22B4/08 , F27B3/085 , F27B3/28 , F27D27/00 , F27D2019/0003 , F27D2019/0006 , Y02P10/216
Abstract: A method and device for controlling a melting and refining process in an electric arc furnace for melting a metal, wherein the electric arc furnace includes molten and solid metal and a slag layer on the surface of the molten metal, wherein an electromagnetic stirrer is arranged for stirring the molten metal. The method includes calculating/determining masses of the molten and solid metal at a point of time, wherein the calculation is based on initial values of the molten and solid metal, an arc power supplied to the electric arc furnace, and temperatures of the molten and solid metal, determining a stirring power based on the calculated/determined masses, and supplying the determined stirring power to the electromagnetic stirrer.
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公开(公告)号：US11543182B2
公开(公告)日：2023-01-03
申请号：US17143415
申请日：2021-01-07
Applicant: ABB Schweiz AG , Tenova S.p.A.
Inventor： Lidong Teng , Anders Lehman , Hongliang Yang , Andrea Grasselli , Silvio Maria Reali
Abstract: A furnace assembly for a metal-making process, including: an electric arc furnace configured for flat bath operation and having a bottom, and an electromagnetic stirrer configured to be arranged underneath the bottom of the electric arc furnace to enable stirring of molten metal in the electric arc furnace.
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公开(公告)号：US10921060B2
公开(公告)日：2021-02-16
申请号：US16482033
申请日：2017-02-10
Applicant: ABB Schweiz AG , Tenova S.p.A.
Inventor： Lidong Teng , Anders Lehman , Hongliang Yang , Andrea Grasselli , Maria Silvio Reali
Abstract: A furnace assembly for a metal-making process, including: an electric arc furnace configured for flat bath operation and having a bottom, and an electromagnetic stirrer configured to be arranged underneath the bottom of the electric arc furnace to enable stirring of molten metal in the electric arc furnace.
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公开(公告)号：US20170080485A1
公开(公告)日：2017-03-23
申请号：US15308042
申请日：2014-06-16
Applicant: ABB Schweiz AG
Inventor： Conny Svahn , Jan-Erik Eriksson , Lidong Teng
IPC: B22D11/12 , C22C38/04 , C22C38/02 , B22D41/08 , F27D27/00 , B22D11/115 , B22D11/128 , B22D27/02 , C22C38/06 , F27D11/08
CPC classification number: B22D11/122 , B22D11/115 , B22D11/128 , B22D27/02 , B22D41/00 , B22D41/08 , C22C38/02 , C22C38/04 , C22C38/06 , F27B3/12 , F27D11/08 , F27D27/00
Abstract: A non-magnetic steel structure for a steel or aluminium making process, which non-magnetic steel structure is arranged to enable penetration of a magnetic field from an electromagnetic stirrer or electromagnetic brake into a melt in a vessel for molten metal, wherein the non-magnetic steel structure includes manganese in the range 12-40 mass %.
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