Operating a natural gas processing plant, including receiving feed natural gas and processing the feed natural gas to give product natural gas. The processing includes removing acid gas, water, and non-methane hydrocarbons from the feed natural gas. The method includes providing fuel to a furnace and combusting the fuel in the furnace to heat a boiler to generate steam. The method generating steam with an HRSG. The method includes subjecting blowdown water from the boiler and the HRSG to electrolysis, thereby generating hydrogen gas. The method includes combining the hydrogen gas with the fuel and combusting the hydrogen gas in the furnace.

A gas turbine engine includes a combustion chamber and groups of injectors for introducing a hydrogen and gas mixture into the combustion chamber. Each group of injectors includes radially inner, outer, and intermediate injectors, and each injector includes a hydrogen feed conduit that has an open-cell metallic foam disposed therein.

A burner device for a gas turbine with a burner body, wherein the burner body has an axial end face, a first supply channel having a first opening in the axial end face, and a burner end element arranged at the axial end face. The burner end element has a first plenum chamber coupled to the first opening of the first supply channel, such that a first fluid is feedable from the first supply channel to the first plenum chamber. The burner end element further has a lattice structure with a plurality of interconnected pores, wherein the first plenum chamber is coupled to the lattice structure for feeding the first fluid into the lattice structure. The lattice structure forms a part of a burner surface which points to a burning chamber of the gas turbine such that a fluid connection between the burning chamber and the lattice structure is formed.

A combustion chamber (steam booster) system for burning hydrogen with the aim of heating a flow of steam and/or of increasing the steam states of the hydrogen, and a method and a plant. In the combustion chamber system, hydrogen and preferably oxygen can be burned in the presence of water and/or water vapor in a combustion chamber, steam can flow around the combustion chamber on the outside in an intermediate space, in particular can flow over the entire length of the combustion chamber in the intermediate space of a flame tube.

Various embodiments include a method for controlling a combustion device comprising a first combustion sensor and a second sensor. An example includes: specifying a first setpoint value for the first sensor for a first fuel; controlling the combustion device to the first setpoint value; recording a first value of the signal from the first combustion sensor and a second value of the signal from the second sensor; determining a second fuel as a function of the first signal and the second signal; comparing a composition of the first fuel to a composition of the second fuel; and, if the second fuel is of a different composition from the first fuel, determining a second setpoint value for the signal from the first combustion sensor as a function of the second fuel and adjusting the combustion device using the first combustion sensor to the second setpoint value for the signal from the first combustion sensor; else making no further adjustment.

A dark radiator includes a first burner, a fan and a radiant tube. The first burner is connected to a fuel gas supply, the fan is designed to supply the first burner with combustion air and the first burner is designed to output a flame into the radiant tube. The fuel gas supply is connected to a hydrogen source as a fuel gas source and a secondary burner is connected downstream in the radiant tube spaced apart from the first burner functioning as the primary burner in the flame direction. The fuel gas supply thereof is connected to a hydrogen source as a fuel gas source and the exhaust gas flow of the upstream primary burner is supplied to the secondary burner as combustion air.

A longitudinal-axis (X) dihydrogen injection device is configured to be mounted on an annular bottom of an annular combustion chamber of a turbomachine. The injection device includes an inner channel for dihydrogen circulation and an outer annular channel for circulation of a mixture of at least air. The inner channel and the outer annular channel are coaxial. An inner swirler is housed in the inner channel and an outer swirler is housed in the outer annular channel. A downstream end of the inner channel is arranged upstream, at a distance r, from a downstream end of the outer annular channel. With this dihydrogen combustion, polluting carbon emissions such as carbon monoxide, unburned hydrocarbons or even fine and smoke particles can be eliminated.

An engine can utilize a combustor to combust fuel to drive the engine. A fuel nozzle assembly can supply fuel to the combustor for combustion or ignition of the fuel. The fuel nozzle assembly can include a swirler and a fuel nozzle to supply a mixture of fuel and air for combustion. The fuel nozzle assembly can be configured to increase lateral provision of fuels to reduce flame scrubbing on combustor liners for the combustor.

The present disclosure provides a method and a system for denitrogenation combustion and CO.sub.2 capture and utilization in a gas boiler. The method is implemented by the system for denitrogenation combustion and CO.sub.2 capture and utilization in the gas boiler, and comprises: after circulating flue gas is discharged from a gas boiler, introducing the circulating flue gas into a gas heat exchanger to perform heat exchange with natural gas, hydrogen, and carbon-based denitrogenation gas; introducing the circulating flue gas after heat exchange into a flue gas dehydration device to perform dehydration; introducing a first portion of the circulating flue gas after the heat exchange and dehydration into a blower through the flue gas dehydration device to be pressurized by the blower and introduced into a carbon-based denitrogenation gas mixer; preparing the carbon-based denitrogenation gas by mixing oxygen and the circulating flue gas using the carbon-based denitrogenation gas mixer for combustion for the gas boiler; and introducing a second portion of the circulating flue gas after heat exchange and dehydration into a CO.sub.2 recovery device to perform purification and deoxygenation through the flue gas dehydration device to obtain a CO.sub.2 product, and pressurizing and transmitting the CO.sub.2 product to a CO.sub.2 utilization device through a CO.sub.2 compressor.

A system for preventing backflash in a pre-mixed hydrogen burner includes a hydrogen burner including a mixture pipe connected to a hydrogen supply flow-path tube along which hydrogen is guided and a combustion air supply flow-path tube along which combustion air is guided, wherein a mixture of the hydrogen and the combustion air is combusted at a combustion nozzle end portion of a pipe connected to the mixture pipe, and a control unit configured to perform a first control to purge the pipe and to interrupt supply of the hydrogen, in a case where backflash propagates or is likely to propagate from the combustion nozzle end portion to the mixture pipe during the combustion.