An object of the present invention is to provide an oxygen enriched burner which can uniformly heat with excellent heat transfer efficiency even at a position away from the burner, when heating an object to be heated by a self-oscillating flame, and a method for heating using an oxygen enriched burner, and the present invention provides an oxygen enriched burner including a central fluid discharge outlet and a pair of first peripheral fluid discharge outlet and a pair of second peripheral fluid discharge outlets, which are arranged opposite to each other around the central fluid outlet, a pair of openings are provided in side walls of a fluid ejection flow path on the upstream side of the central fluid discharge outlet, the distance between a pair of side walls gradually expands toward the downstream side, a pair of the second peripheral fluid outlet are arranged so as to be orthogonal to the direction facing the openings and sandwich the central fluid outlet therebetween, an angle y formed by the central axis of the central fluid outlet and the central axis of the second peripheral fluid outlets satisfy a predetermined relationship, an outlet width between the side walls of the central fluid outlet, and an outlet width of the second peripheral fluid outlets in a direction along the outlet width satisfy a predetermined relationship.

One object of the present invention is to provide a burner which can uniformly heat a wide area without decreasing the heat radiation even when the swing width of the flame self-oscillating is large, and the present invention provides a burner in which a main combustion fluid and a second combustion fluid are combusted by ejecting the main combustion fluid while self-oscillating from a central expanding ejection port (3) which expands towards a tip end and ejecting the second combustion fluid from a pair of side ejection ports (5 and 7) provided on both sides of the central expanding ejection port (3), wherein a pair of the side ejection ports (5 and 7) are disposed symmetrically with respect to a central axis of the central expanding ejection port (3), and the central expanding ejection port (3) and the side ejection ports (5 and 7) are provided such that an expanding angle of the central expanding ejection port (3) and an angle formed by the central axes of a pair of the side ejection ports (5 and 7) satisfy a relationship of 5+15.

One object of the present invention is to provide a burner which can uniformly heat a wide area without decreasing the heat radiation even when the swing width of the flame self-oscillating is large, and the present invention provides a burner in which a main combustion fluid and a second combustion fluid are combusted by ejecting the main combustion fluid while self-oscillating from a central expanding ejection port (3) which expands towards a tip end and ejecting the second combustion fluid from a pair of side ejection ports (5 and 7) provided on both sides of the central expanding ejection port (3), wherein a pair of the side ejection ports (5 and 7) are disposed symmetrically with respect to a central axis of the central expanding ejection port (3), and the central expanding ejection port (3) and the side ejection ports (5 and 7) are provided such that an expanding angle of the central expanding ejection port (3) and an angle formed by the central axes of a pair of the side ejection ports (5 and 7) satisfy a relationship of 5+15.

A burner comprises a central passageway and outlets for fuel and for stabilizing oxidant arranged peripherally around the central passageway, and comprises outlets within the burner through which biasing gas, such as gas comprising oxygen, can be injected to enable control of the direction of the flame that is generated by combustion of the fuel and the oxidant at the face of the burner.

A burner comprises a central passageway and outlets for fuel and for stabilizing oxidant arranged peripherally around the central passageway, and comprises outlets within the burner through which biasing gas, such as gas comprising oxygen, can be injected to enable control of the direction of the flame that is generated by combustion of the fuel and the oxidant at the face of the burner.

An oxy-fuel burner including a central burner element having a central conduit terminating in a central nozzle and an annular conduit terminating in an annular nozzle surrounding the central conduit, the central conduit flowing a first reactant and the annular conduit flowing a second reactant; a first staging conduit spaced apart from a side of the central burner element and terminating in a first staging nozzle; a second staging conduit spaced apart from an opposite side the central burner element and terminating in a second staging nozzle; a first mechanism to apportion a flow of the second reactant into a non-zero primary flow of the second reactant directed to the annular conduit and a non-zero secondary flow of the second reactant; and a second mechanism to selectively apportion the secondary flow of the second reactant between the staging conduits; wherein one reactant is fuel and the other reactant is oxygen.

An oxy-fuel burner including a central burner element having a central conduit terminating in a central nozzle and an annular conduit terminating in an annular nozzle surrounding the central conduit, the central conduit flowing a first reactant and the annular conduit flowing a second reactant; a first staging conduit spaced apart from a side of the central burner element and terminating in a first staging nozzle; a second staging conduit spaced apart from an opposite side the central burner element and terminating in a second staging nozzle; a first mechanism to apportion a flow of the second reactant into a non-zero primary flow of the second reactant directed to the annular conduit and a non-zero secondary flow of the second reactant; and a second mechanism to selectively apportion the secondary flow of the second reactant between the staging conduits; wherein one reactant is fuel and the other reactant is oxygen.

Burners and methods of making burner bodies via a focused beam are disclosed. In an aspect, a burner includes (a) a burner body and (b) at least one connector configured to supply at least a fuel and an oxidizer to the burner body. The burner body includes (1) a plurality of passageways; (2) a first major surface; (3) a plurality of ports at the first major surface, each port defined by an end of one of the passageways; and either: (4a) at least one heating element in or adjacent to at least one of the plurality of passageways that increases the temperature of a wall of the at least one of the plurality of passageways; or (4b) a cooling chamber directly adjacent to three or more of the plurality of passageways. The burner body includes a number of layers of metal directly bonded to each other. Further, methods are provided, including receiving, by a manufacturing device having one or more processors, a digital object comprising data specifying a burner body; and generating, with the manufacturing device by an additive manufacturing process, the burner body based on the digital object. A system is also provided, including a display that displays a 3D model of a burner body; and one or more processors that, in response to the 3D model selected by a user, cause a 3D printer to create a physical object of the burner body.

Burners and methods of making burner bodies via a focused beam are disclosed. In an aspect, a burner includes (a) a burner body and (b) at least one connector configured to supply at least a fuel and an oxidizer to the burner body. The burner body includes (1) a plurality of passageways; (2) a first major surface; (3) a plurality of ports at the first major surface, each port defined by an end of one of the passageways; and either: (4a) at least one heating element in or adjacent to at least one of the plurality of passageways that increases the temperature of a wall of the at least one of the plurality of passageways; or (4b) a cooling chamber directly adjacent to three or more of the plurality of passageways. The burner body includes a number of layers of metal directly bonded to each other. Further, methods are provided, including receiving, by a manufacturing device having one or more processors, a digital object comprising data specifying a burner body; and generating, with the manufacturing device by an additive manufacturing process, the burner body based on the digital object. A system is also provided, including a display that displays a 3D model of a burner body; and one or more processors that, in response to the 3D model selected by a user, cause a 3D printer to create a physical object of the burner body.

Burners and methods of making burner bodies via a focused beam are disclosed. In an aspect, a burner includes (a) a burner body and (b) at least one connector configured to supply at least a fuel and an oxidizer to the burner body. The burner body includes (1) a plurality of passageways; (2) a first major surface; (3) a plurality of ports at the first major surface, each port defined by an end of one of the passageways; and either: (4a) at least one heating element in or adjacent to at least one of the plurality of passageways that increases the temperature of a wall of the at least one of the plurality of passageways; or (4b) a cooling chamber directly adjacent to three or more of the plurality of passageways. The burner body includes a number of layers of metal directly bonded to each other. Further, methods are provided, including receiving, by a manufacturing device having one or more processors, a digital object comprising data specifying a burner body; and generating, with the manufacturing device by an additive manufacturing process, the burner body based on the digital object. A system is also provided, including a display that displays a 3D model of a burner body; and one or more processors that, in response to the 3D model selected by a user, cause a 3D printer to create a physical object of the burner body.