摘要:
A method and apparatus for a burner adapted to heat a furnace or other environment of use. In particular, a burner for providing a fuel gas in combination with an oxidant to effect controlled reaction of the fuel gas in a manner to reduce NOx emissions is described. Combustion of the fuel gas is shifted from the burner combustor to a location outside the burner once the temperature within the furnace/radiant tube has reached a sufficient level to complete combustion of the fuel gas.
摘要:
A method and apparatus for a burner adapted to heat a furnace or other environment of use. In particular, a burner for providing a fuel gas in combination with an oxidant to effect controlled reaction of the fuel gas in a manner to reduce NOx emissions is described. Combustion of the fuel gas is shifted from the burner combustor to a location outside the burner once the temperature within the furnace/radiant tube has reached a sufficient level to complete combustion of the fuel gas.
摘要:
An integral industrial burner package has been described. The burner housing includes a blower housing integral to the burner housing for housing a blower motor and fan. Burner components are mounted on the blower housing and are cooled by blower inlet air flowing over the components. The blower output air flows through a collection chamber integral to the housing and into an air conduit formed within the burner housing. A fuel conduit is provided within the air conduit and is connected to a nozzle internal to a combustion chamber where the fuel and air is mixed and ignited.
摘要:
A burner includes a combustor having a generally cylindrical, hollow shape extending along a centerline, and a closed end. A fuel tube that is connectable to a fuel supply has at least one opening fluidly connecting an interior of the combustor with the fuel source such that fuel can be delivered from the fuel source into the interior of the combustor. At least one air inlet disposed to provide an air stream into the interior of the combustor. The air stream is arranged and configured to create a vortex flow structure within the combustor.
摘要:
An air heating burner having improved CO emissions across a broad range of heat inputs. The burner incorporates wings which cover portions of mixing plates associated with low to medium-low fire. The wings reduce air flow velocity to eliminate quenching during such conditions, thereby increasing combustion temperature and reducing CO emissions. The wings also form pre-heat chambers which further increase combustion temperature. The burner produces a substantially consistent level of CO emissions across the range of inputs, regardless of the pressure drop across the burner.
摘要:
A burner includes a casing that encloses an outer plenum, the casing forming a fuel inlet and an outer nozzle at its end. An inner tube extends generally concentrically through the outer plenum and forms an inner plenum such that the casing encloses the outer plenum and the inner plenum. The inner tube forms an inner nozzle at its end. The inner nozzle is disposed generally concentrically with respect to the outer nozzle. A valve arrangement adjusts a fuel velocity separately through each of the outer nozzle and the inner nozzle to shape a flame created when the fuel is provided in an oxidant rich environment.
摘要:
A method of operating a burner includes providing supplying a combustible mixture containing a ratio of fuel and air that is incapable of maintaining a stable flame to a combustion chamber. The combustible mixture is ignited by an igniter, and presence of a flame is sensed. The igniter is maintained active to sustain combustion of the combustible mixture within the combustion chamber so that a space exterior to the combustion chamber is heated to a temperature at or above an auto-ignition temperature of the combustible mixture. The temperature of the space exterior is monitored and the combustible mixture is provided at a second flow rate, which is higher than the first flow rate, to extinguish the flame in the combustion chamber such that combustion occurs in the space exterior to the combustion chamber. When combustion occurs in the space exterior to the combustion chamber, the igniter is deactivated.
摘要:
A method and apparatus for a burner adapted to heat a furnace or other environment of use. In particular, a burner for providing a fuel gas in combination with an oxidant to effect controlled reaction of the fuel gas in a manner to reduce NOx emissions is described. Combustion of the fuel gas is shifted from the burner combustor to a location outside the burner once the temperature within the furnace/radiant tube has reached a sufficient level to complete combustion of the fuel gas.