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公开(公告)号：US20180292134A1
公开(公告)日：2018-10-11
申请号：US15763773
申请日：2016-09-02
发明人： Kazufumi NIWA , Hiroaki KATO , Yusuke WAKITA , Yuki KIYANAGI
摘要： A hybrid metal melting furnace uses a furnace lid to hold molten metal, while inhibiting reduction in the service life of burners of the furnace lid caused by long periods of exposure to high heat. This hybrid metal melting furnace includes a crucible for accommodating metal to be melted; and an induction coil causing induced current to flow through and heat the metal. A furnace lid which closes an opening in the crucible includes: a first furnace lid having burners for injecting flames into the crucible; and a second furnace lid which does not have the burners. When melting the metal, the first furnace lid is disposed in a position in which the opening is closed. When holding the molten metal in the crucible, the first furnace lid is removed from the opening, and the second furnace lid is disposed in the position in which the opening is closed.
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公开(公告)号：US20180320971A1
公开(公告)日：2018-11-08
申请号：US15763687
申请日：2016-09-02
发明人： Kazufumi NIWA , Hiroaki KATO , Yusuke WAKITA , Yuki KIYANAGI
CPC分类号： F27B14/12 , F27D1/18 , F27D1/1808 , F27D3/06
摘要： The purpose of the present invention is to provide a melting material supply apparatus which is capable of contributing to improvements in the working environment and the melting efficiency of a metal melting furnace, and which is also capable of making melting work more efficient. This melting material supply apparatus for supplying a melting material to a crucible is provided with: a melting material supply unit for supplying the melting material to the crucible; and a furnace lid for closing an opening provided in the upper part of the crucible. The furnace lid is supported in a horizontal state by a furnace lid-supporter, and is capable of being moved between a position in which the opening is closed, and a standby position located above a hood. When the furnace lid is in the standby position, the opening is open, and the melting material can be supplied into the crucible therefrom.
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