MICRO-MIXER WITH MULTI-STAGE FUEL SUPPLY AND GAS TURBINE INCLUDING SAME

A micro-mixer (1400) comprises a plurality of fuel tubes (1410) through which air and fuel flow, a casing (1430) accommodating the plurality of fuel tubes (1410) therein, an injection part (1440) formed as a pyramidal protrusion on one side of the casing and connected to a front end of the fuel tube to inject the air and the fuel, and a fuel supply (1450, 1460) divided into a plurality of fuel supply parts to supply the fuel to the fuel tubes.