A low-concentration gas differential combustion device includes a low-concentration gas super-cooling dehydration and demisting device, a gas pretreatment device, a burner, a long-term burning open fire device, a high-energy self-heat dispersion rapid ignition device, a combustion chamber, and a waste-heat utilization device. With the low-concentration gas differential combustion device, the problems of gas escaping, forced direct emission, low heat extraction efficiency, concentration over-limit explosions, increase in equipment volume and increase in investment caused by the reversal process in the existing ventilation air oxidation technology, and the problems of narrow gas adaptation concentration range, small adaptive concentration and pressure change amplitude, poor combustion temperature adjustability, high NOx content, high shutdown rate, and low gas utilization rate in the low-concentration gas internal combustion engine power generation technology are solved.

The present invention presents a burner for scrubbers equipped with the first nozzle that is in the shape of a pipe and that is equipped with the first main body, the second nozzle that is in the shape of a pipe and equipped with the second main body that is located to wrap the outer circumference of the aforementioned first main body, and the third nozzle that is in the shape of a pipe and that is equipped with the third main body located to wrap the outer circumference of the aforementioned second main body.

The present invention presents a burner for scrubbers equipped with the first nozzle that is in the shape of a pipe and that is equipped with the first main body, the second nozzle that is in the shape of a pipe and equipped with the second main body that is located to wrap the outer circumference of the aforementioned first main body, and the third nozzle that is in the shape of a pipe and that is equipped with the third main body located to wrap the outer circumference of the aforementioned second main body.

A system for use with a fired vessel of production/separators or dehydration equipment that includes a metal box, a main burner, a pilot burner, and a flame arrestor. The main burner and the pilot burner are within the metal box and the first flame arrestor is connected to the metal box.

A micromixer which transfers radiant heat by flame generated in a combustion chamber to a micromixer to prevent auto-ignition and flash-back phenomena occurring in the micromixer, and a combustor including the same are provided. The micromixer includes an inlet flow path configured to include an inlet formed on one end and through which first fluid flows and a supply port formed on an inner wall and through which second fluid, and to flow mixed fluid formed by mixing the first fluid introduced through the inlet and the second fluid supplied through the supply port, an outlet flow path injecting the mixed fluid to a combustion chamber and formed at a position spaced apart from a virtual extension line of the inlet flow path, and an inclined flow path connecting the inlet flow path and the outlet flow path and formed to be inclined at a predetermined angle to reduce transfer of radiant heat by flame generated in the combustion chamber to the inlet flow path.

An injection nozzle installed in a combustor of a gas turbine to inject fuel and compressed air into a combustion chamber is provided. The injection nozzle includes an inlet portion through which fuel and compressed air are introduced, an outlet portion disposed downstream of the inlet portion in a flow direction of fluid and configured to discharge the fuel and compressed air to the combustion chamber, and an intermediate portion connected obliquely to each of the inlet portion and the outlet portion, wherein the inlet portion and the intermediate portion are symmetrically formed based on an imaginary central line extending from the outlet portion along the flow direction of fluid and passing through a center of the outlet portion.

An injection nozzle installed in a combustor of a gas turbine to inject fuel and compressed air into a combustion chamber is provided. The injection nozzle includes an inlet portion through which fuel and compressed air are introduced, an outlet portion disposed downstream of the inlet portion in a flow direction of fluid and configured to discharge the fuel and compressed air to the combustion chamber, and an intermediate portion connected obliquely to each of the inlet portion and the outlet portion, wherein the inlet portion and the intermediate portion are symmetrically formed based on an imaginary central line extending from the outlet portion along the flow direction of fluid and passing through a center of the outlet portion.

An injection nozzle installed in a combustor of a gas turbine to inject fuel and compressed air to a combustion chamber is provided. The injection nozzle includes an inlet portion into which fuel and compressed air are introduced, an outlet portion installed downstream of the inlet portion in a flow direction of fluid and configured to discharge the fuel and compressed air to the combustion chamber, and an intermediate portion obliquely installed between the inlet portion and the outlet portion and connected to each of the inlet portion and outlet portion.

An injection nozzle installed in a combustor of a gas turbine to inject fuel and compressed air into a combustion chamber is provided. The injection nozzle includes an inlet portion into which fuel and compressed air are introduced, an outlet portion disposed downstream of the inlet portion in a flow direction of fluid and configured to discharge the fuel and compressed air to the combustion chamber, and an intermediate portion disposed between the inlet portion and the outlet portion and connected obliquely to each of the inlet portion and outlet portion, wherein each of the inlet portion, the outlet portion, and the intermediate portion has a prismatic shape.

A micro-mixer bundle assembly and a combustor and a gas turbine having the same are provided. The micro-mixer bundle assembly includes a plurality of micro-mixers, each of the plurality of micro-mixers including an inlet portion formed on one side and through which a first fluid is introduced and a feed hole formed in a circumferential wall and through which a second fluid is fed, wherein the first fluid introduced through the inlet portion and the second fluid fed through the feed hole are mixed to form a fluid mixture which is injected into a combustion chamber, and a plurality of micro-mixer bundles, each of the plurality of micro-mixer bundles including the plurality of micro-mixers arranged therein, wherein a cross-sectional shape of an outlet of the micro-mixers disposed in one of the micro-mixer bundles is different from a cross-sectional shape of an outlet of the micro-mixers disposed in the other micro-mixer bundles.