A block and burner assembly including a flat flame burner sub-assembly which includes a flat flame burner body in fluid communication with a gas source. The flat flame burner body includes a gas inlet in fluid communication with the gas source and a gas nozzle, and a fuel inlet in fluid communication a fuel nozzle, wherein the gas nozzle is arranged to at least partially encompass the fuel nozzle. The block and burner assembly includes a flat flame burner block arranged to receive at least a portion of the fuel nozzle and at least a portion of the gas nozzle, a staged injector sub-assembly in fluid communication with the gas source, and a staged injector block connected to the flat flame burner block and arranged to receive the at least a portion of the staged injector sub-assembly wherein the flat flame burner block and the staged injector block are separable.

A block and burner assembly including a flat flame burner sub-assembly which includes a flat flame burner body in fluid communication with a gas source. The flat flame burner body includes a gas inlet in fluid communication with the gas source and a gas nozzle, and a fuel inlet in fluid communication a fuel nozzle, wherein the gas nozzle is arranged to at least partially encompass the fuel nozzle. The block and burner assembly includes a flat flame burner block arranged to receive at least a portion of the fuel nozzle and at least a portion of the gas nozzle, a staged injector sub-assembly in fluid communication with the gas source, and a staged injector block connected to the flat flame burner block and arranged to receive the at least a portion of the staged injector sub-assembly wherein the flat flame burner block and the staged injector block are separable.

Disclosed are a combustor for fuel combustion and a combustion method therefor. The combustor includes a primary oxidant-fuel delivery assembly, a secondary oxidant delivery assembly, and a tertiary oxidant delivery assembly. The secondary oxidant delivery assembly and the tertiary oxidant delivery assembly are provided on the same side of the primary oxidant-fuel delivery assembly, and the secondary oxidant delivery assembly is located between the tertiary oxidant delivery assembly and the primary oxidant-fuel delivery assembly. The present invention combines the staged combustion and dilution combustion technologies, such that the combustor has a wide flame adjusting range, realizing adjustment of the flame combustion position, flame speed range, flame local atmosphere and flame length, effectively reducing the generation of NOx, and also achieving high heat transfer efficiency.

Disclosed are a combustor for fuel combustion and a combustion method therefor. The combustor includes a primary oxidant-fuel delivery assembly, a secondary oxidant delivery assembly, and a tertiary oxidant delivery assembly. The secondary oxidant delivery assembly and the tertiary oxidant delivery assembly are provided on the same side of the primary oxidant-fuel delivery assembly, and the secondary oxidant delivery assembly is located between the tertiary oxidant delivery assembly and the primary oxidant-fuel delivery assembly. The present invention combines the staged combustion and dilution combustion technologies, such that the combustor has a wide flame adjusting range, realizing adjustment of the flame combustion position, flame speed range, flame local atmosphere and flame length, effectively reducing the generation of NOx, and also achieving high heat transfer efficiency.

A combustor for a gas turbine engine having a compressor upstream of the combustor and a turbine downstream of the combustor. The combustor also includes a combustor chamber, an oxy-fuel pilot burner (104) centrally positioned at an end of the combustor chamber, and an air-fuel premix burner configured to at least partially premix air and fuel. The air-fuel premix burner surrounds the oxy-fuel pilot burner (104) in an annular configuration.

A combustor for a gas turbine engine having a compressor upstream of the combustor and a turbine downstream of the combustor. The combustor also includes a combustor chamber, an oxy-fuel pilot burner (104) centrally positioned at an end of the combustor chamber, and an air-fuel premix burner configured to at least partially premix air and fuel. The air-fuel premix burner surrounds the oxy-fuel pilot burner (104) in an annular configuration.

A flameless thermal oxidizer includes a container in which a ceramic matrix is contained, and a diptube having a passageway extending therethrough, the diptube positioned in and in communication with the ceramic matrix and in which a plurality of gaseous streams are present for combustion at the ceramic matrix, the plurality of gaseous streams including a vent stream and an oxygen stream. A related method is also provided.

A method for heating a furnace with a longitudinal direction and a cross plane which is perpendicular to the longitudinal direction, which furnace includes at least one heating zone heated using combustion of a fuel with an oxidant, and which furnace is further arranged with a dark zone downstream of said heated zone, to which dark zone no fuel is supplied directly. Wherein the fuel and oxidant supplied to the heating zone is substoichiometric, in that between 10% and 40% of the total oxidant for achieving stoichiometric or near stoichiometric combustion is supplied directly to the dark zone, a flue gas temperature is measured in and/or downstream of the dark zone, and the share of the total oxidant supplied to the dark zone is controlled so as not to exceed a predetermined maximum measured such temperature. The invention further relates to a method for retrofitting an existing furnace, and a furnace.

A method for heating a furnace with a longitudinal direction and a cross plane which is perpendicular to the longitudinal direction, which furnace includes at least one heating zone heated using combustion of a fuel with an oxidant, and which furnace is further arranged with a dark zone downstream of said heated zone, to which dark zone no fuel is supplied directly. Wherein the fuel and oxidant supplied to the heating zone is substoichiometric, in that between 10% and 40% of the total oxidant for achieving stoichiometric or near stoichiometric combustion is supplied directly to the dark zone, a flue gas temperature is measured in and/or downstream of the dark zone, and the share of the total oxidant supplied to the dark zone is controlled so as not to exceed a predetermined maximum measured such temperature. The invention further relates to a method for retrofitting an existing furnace, and a furnace.

The present invention presents a scrubber burner composed of a preheating spray ring that is formed with a porous material with certain thickness, and that preheats and sprays the fuel gas in the preheating combustion space formed inside, a preheating guide ring equipped with multiple preheating guide holes that wrap the outer circumference of the aforementioned preheating spray ring, and that penetrates from the outer circumference to the inner circumference, and a preheating burner module equipped with a housing that forms a ring shaped gas channel that is separated from the outer circumference of the aforementioned preheating guide ring and through which the aforementioned fuel gas flows.