The utility model relates to the technical field of gas
turbine rotors, and particularly discloses a gas
turbine rotor which comprises a base, supporting frames are fixedly connected to the left side and the right side of the top of the base, and the surfaces of a front-end blade and a rear-end blade are coated with
thermal insulation coatings so as to improve the
thermal insulation performance of the front-end blade and the rear-end blade, so that stable operation of the front-end blade and the rear-end blade is guaranteed. Meanwhile, an air guide
pipe is arranged on the outer side of the main shaft, when front-end blades operate and suck
cold air from air inlet holes, part of the
cold air is transmitted to a rear-end blade area in a
turbine area through the air guide
pipe, so that heat on the surfaces of the rear-end blades is taken away through air circulation, meanwhile, a suction pump is used for pumping cold water in a water tank, and the cold water is pumped into the turbine area; meanwhile, the rear-end blades rotate to strike the sprayed
water flow, the
water flow is scattered, the
water flow is scattered in a turbine area, the temperature of the rear-end blades is reduced, the
cooling effect of a rotor
impeller is improved, and therefore stable operation of a rotor is guaranteed.