公开(公告)号：US10190825B2

公开(公告)日：2019-01-29

申请号：US15501745

申请日：2014-08-21

Applicant: ABB Schweiz AG

Inventor： Xiaojing Zhang ,  Jan Erik Eriksson ,  Michael Lundh ,  Conny Svahn

IPC: F27D3/00 ,  F27D27/00 ,  F27D21/00 ,  B01F13/08 ,  C21C5/52 ,  H05B7/18 ,  F27D3/15 ,  G01J5/00 ,  F27D19/00

Abstract: A system and a method for determining/predicting a tapping time for a metal melt in an electric arc furnace (EAF), at least one electrode is provided for melting the metal melt until it reach a target tapping temperature, the EAF further includes a slag and smoke layer on the surface of the metal melt, wherein an electromagnetic stirrer is provided for stirring the metal melt.

公开(公告)号：US20170227290A1

公开(公告)日：2017-08-10

申请号：US15501745

申请日：2014-08-21

Applicant: ABB Schweiz AG

Inventor： Xiaojing Zhang ,  Jan Erik Eriksson ,  Michael Lundh ,  Conny Svahn

IPC: F27D21/00 ,  F27D3/15 ,  H05B7/18 ,  G01J5/00 ,  F27D27/00

CPC classification number: F27D21/0014 ,  B01F13/0809 ,  C21C5/5217 ,  C21C5/5247 ,  C21C2005/5288 ,  C21C2300/06 ,  F27D3/1509 ,  F27D27/00 ,  F27D2019/0003 ,  G01J5/0044 ,  H05B7/18 ,  Y02P10/212 ,  Y02P10/286

Abstract: A system and a method for determining/predicting a tapping time for a metal melt in an electric arc furnace (EAF), at least one electrode is provided for melting the metal melt until it reach a target tapping temperature, the EAF further includes a slag and smoke layer on the surface of the metal melt, wherein an electromagnetic stirrer is provided for stirring the metal melt.