Doosan Enerbility Co., Ltd.

Hyun Soo An

Young Gun Go

Kyoung Taek Oh

Sung Gju Kang

Song-Hun Cha

SangPil Jo

A micromixer configured to prevent auto-ignition and flash-back phenomena, and a combustor including the same are provided. The micromixer includes an inlet flow path configured including an inlet formed on one end and receiving a first fluid and a supply port formed on an inner wall and receiving a second fluid, and the inlet flow path is configured to flow a mixed fluid formed by mixing the first fluid and the second fluid, 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.

Micromixer and combustor having the same

A micro-mixer module and a combustor having the same are provided. The micro-mixer module includes a micro-mixer having 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 an air hole formed at a side end of the combustor chamber of the micro-mixer.

Micro-mixer module and combustor having the same

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.

Injection nozzle, combustor including same nozzle, and gas turbine including same combustor

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.

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.

Micro-mixer bundle assembly, and combustor and gas turbine having same

Disclosed is a hybrid power generation facility. The hybrid power generation facility includes a gas turbine including a compressor configured to compress air introduced from an outside, a combustor configured to mix the compressed air with fuel and to combust the air and fuel mixture, and a turbine configured to produce power with first combustion gas discharged from the combustor, a boiler including a combustion chamber and a burner installed in the combustion chamber and into which the first combustion gas discharged from the turbine of the gas turbine is introduced, a steam turbine through which steam generated in the combustion chamber passes, a first GT (gas turbine) pipeline connected between the turbine of the gas turbine and the burner, a first air pipeline connected to the first GT pipeline to supply oxygen to the burner, a first oxygen sensor installed at an inlet of the burner to measure an oxygen concentration of a fluid flowing into the burner, and a first GT damper installed in the first GT pipeline to control a flow rate of the fluid flowing through the first GT pipeline according to the oxygen concentration measured by the first oxygen sensor.

Hybrid power generation equipment and control method thereof

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.

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Yongin, South Korea

Hyun Soo An