Gas turbine combustor

Abstract

The invention relates to the technical field of gas turbines and discloses a gas turbine combustor to improve the combustion state of the combustor and lower the probability of oscillation combustion occurring to the combustor so that the output power can be increased, output stability can be promoted, and the service life can be prolonged. The gas turbine combustor comprises a fuel spray pipe, a multi-stage hydrocyclone set, a flame tube and turbine cartridge receivers. The multi-stage hydrocyclone set is in a hollow cylindrical shape, a first fuel spray hole is formed in the side wall of the middle section of the fuel spray pipe, and a second fuel spray hole is formed in the tail end of the discharging side of the fuel spray pipe; the fuel spray pipe is inserted into the multi-stage hydrocyclone set in a position-adjustable mode and communicates with the flame tube through the second fuel spray hole, the first fuel spray hole of the fuel spray pipe communicates with the multi-stage hydrocyclone set and communicates with the flame tube through a pre-mix channel tube, and the fuel spray pipe, the multi-stage hydrocyclone set and the flame tube are coated with the turbine cartridge receivers in a clearance fit mode; and at least one air inlet groove is formed in the side wall of each turbine cartridge receiver.

Description

technical field [0001] The invention relates to the technical field of gas turbines, in particular to a combustion chamber of a gas turbine. Background technique [0002] The gas turbine is an internal combustion power machine that uses continuous flowing gas as the working medium to drive the impeller to rotate at high speed, and converts the energy of the fuel into useful work. It is a typical high-tech intensive product. As a high-tech carrier, the gas turbine represents the comprehensive level of development of multiple theoretical disciplines and multiple engineering fields, and is one of the important symbols of the country's high-tech level and scientific and technological strength, and has a very prominent strategic position. The three major components of a gas turbine are the combustor, compressor and turbine, and the performance of the combustor will directly affect the overall performance of the gas turbine. Gas turbine combustion products contain NOx (nitrogen o...

AI Technical Summary

Problems solved by technology

However, the current lean oil premixed pre-evaporation combustor is prone to high-intensity oscillating combustion, which can limit the output power of the gas turbine, cause damage to the flame tube, and cause sliding friction and various cracks

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