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公开(公告)号：US10422525B2
公开(公告)日：2019-09-24
申请号：US15748755
申请日：2016-09-13
摘要： One object of the present invention is to provide an oxygen burner which is capable of forming a high-velocity-oxygen jet flow without a cooling structure, and efficiently dissolving an object to be heated, and the present invention provides an oxygen burner comprising a primary oxygen ejection port provided at a tip of the primary oxygen flow path, a plurality of fuel gas supply pipes provided so as to branch a tip end side of the fuel gas flow path, a fuel gas ejection port provided in each of the fuel gas supply pipes, and a secondary oxygen ejection port provided at a tip of the secondary oxygen flow path, the fuel gas ejecting ports are arranged so as to surround the primary oxygen ejection port, the secondary oxygen ejection port is arranged so as to surround the fuel gas ejection ports and the primary oxygen ejection port, and the fuel gas ejection ports are arranged on the same plane and protrude than a tip of the primary oxygen ejection port.
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公开(公告)号：US11534823B2
公开(公告)日：2022-12-27
申请号：US16493056
申请日：2017-12-28
IPC分类号： B22D41/015
摘要： A method and device heat an object to be heated by a flame which is produced by supplying a fuel fluid and a combustion supporting gas to a burner as a heat, source. A temperature rising rate is increased by gradually increasing an oxygen concentration in the combustion supporting gas supplied to the burner and a device for heating an object to be heated including a burner for heating the object to be heated. A flow rate control unit controls a flow rate of a fuel fluid and a combustion supporting gas. A calculation unit transmits combustion information of the burner to the flow rate control unit, and the flow rate control unit increases a temperature rising rate of the object to be heated by increasing the oxygen concentration in the combustion supporting gas supplied to the burner.
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