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 gas turbine (100) of the present invention is a gas turbine which uses a hydrogen gas as a fuel, and comprises a combustor (20) which includes a fuel injection nozzle (23), and has a combustion chamber (24) in an interior of the combustor; a steam supply unit (40) which supplies steam to the combustor (20) to decrease a combustion temperature; and an air drier (50) which removes the steam from air to be supplied to the combustor (20) to dry the air.

A hydrogen gas burner includes a first, axially extending, tubular pipe having an axial slot in a sidewall thereof. An axially elongate duct projects radially outwardly from the axial slot and is in fluid communication with an interior of the pipe. The axially elongate duct has through-holes formed through a wall thereof, communicating the interior of the pipe with an exterior thereof. A second, axially extending, tubular pipe, has an axial opening in a sidewall thereof, the axial opening spanning at least a portion of an axial extent of the second pipe. The first pipe is substantially nested within the second pipe and the axially elongate duct projects radially outwardly through the axial opening. A combination gas valve and pressure regulator fluidly connects hydrogen gas with the first pipe. An igniter ignites and initiates combustion of the hydrogen gas exiting from the first pipe and duct via the through-holes.

An arrangement for heating a process gas of an iron ore pelletizing plant, including a heating chamber including a gas inlet, a gas outlet, a wall extending from the gas inlet to the gas outlet, and a heating chamber port arranged in the wall at a point intermediate to the process gas inlet and the process gas outlet, a burner assembly connectible to a source of gaseous fuel and a source of oxidant gas, and a precombustion chamber. The precombustion chamber includes a burner port and a wall extending from the burner port to the heating chamber port. The burner assembly is arranged in the burner port of the precombustion chamber and, in operation, the burner assembly introduces the gaseous fuel, the oxidant gas and/or combustion products thereof into the precombustion chamber. The burner assembly includes a fuel lance, wherein a nozzle of the fuel lance includes outlet holes, and wherein at least one of the outlet holes is arranged at an angle relative to a longitudinal axis of the fuel lance.

To provide a multifuel gas turbine combustor capable of combusting gases containing hydrogen in a high concentration with a low NOx while maintaining a low emission performance brought about by the pre-mixture combustion in the main burner, the gas turbine combustor includes a main burner (12) for supplying to and combusting a premixed gas (M), containing a first fuel (F1), within a first combustion region (S1) of a combustion chamber (10), and a supplemental burner (20) for supplying to and combusting a second fuel (F2) of a composition different from that of the first fuel (F1) within a second combustion region (S2) defined downstream of the first combustion region (S1) within the combustion chamber (10). The first fuel (F1) is of a hydrocarbon system and the second fuel (F2) is a gas containing hydrogen in a concentration exceeding the stable combustion limiting concentration of the hydrogen.

A combustor includes: a combustion liner having a combustion chamber formed therein; and a fuel injector mounted to a top portion of the combustion liner, and including a fuel injection member having a plurality of fuel injection annular portions and an air guide member including a plurality of combustion air annular portions that guide air for combustion. The fuel injection annular portions and the combustion air annular portions are arranged concentrically and alternately. The fuel injector injects fuel and air into the combustion chamber. Each of the fuel injection annular portions includes a plurality of fuel injection holes that are open in a radial direction thereof, and each of the combustion air annular portions includes a plurality of air guide grooves that are open in an axial direction thereof, and guide the air to the fuel jetted from the fuel injection holes.

A combustor includes: a combustion liner having a combustion chamber formed therein; a fuel injector mounted to a top portion of the combustion liner, and including a fuel injection member having a plurality of fuel injection annular portions and an air guide member including a plurality of combustion air annular portions that guide air for combustion; and a supplemental burner. The fuel injection annular portions and the combustion air annular portions are arranged concentrically and alternately. The fuel injector injects fuel and air into the combustion chamber. Each of the fuel injection annular portions includes a plurality of fuel injection holes that are open in a radial direction thereof, and each of the combustion air annular portions includes a plurality of air guide groove that are open in an axial direction thereof, and guide the air to the fuel jetted from the fuel injection holes.

A gas mixing device capable of safely mixing flammable gas containing, for example, methane or the like and combustion supporting gas such as oxygen-containing gas, and a synthesis gas producing device using this gas mixing device. Flammable gas containing methane or the like and combustion supporting gas such as oxygen-containing gas are supplied into a mixing vessel via a first gas supplying section and a second gas supplying section respectively, and these gases are mixed within a combustion range in the vessel to be discharged via a discharge section. In the mixing vessel, packings for forming a large number of narrow gas flow passages in the vessel are packed so that velocity of the mixed gas flowing in the vessel becomes higher than burning velocity of the flammable gas and the combustion supporting gas.

Processes and apparatuses for heating a process fluid with a heater having a burner. Fuel is passed to the burner and combusts to product heat. An inert gas stream is provided to the burner, either upstream or downstream or both, of the burner. The flow of the inert gas stream is controlled based on a composition of the fuel, with more inert gas being passed downstream of the burner to when the amount of hydrogen in the fuel is increased.

A combustion system includes a combustion chamber for generating energy. The system includes a first inlet for supplying an oxidant into the chamber and a second inlet for supplying a fuel into the chamber. The system also includes a third inlet in fluid communication with the first inlet for supplying oxygen into the chamber. The system further includes a fourth inlet for supplying hydrogen into the chamber. A circulation line is used to deliver a flue gas from the chamber to the first inlet.