High-temperature tail gas combustion assisting combustion device of gas turbine

The invention discloses a high-temperature tail gas combustion assisting combustion device of a gas turbine. The device comprises a shell, a center gas pipe, a center air pipe, a main gas pipe, a center gas combustor, a main gas combustor, a high-temperature smoke flow separation mechanism, an air pipe with an electric air door, and a flame detector; a maintenance door is provided on the front side of the shell; a waste gas connecting pipe is provided on the left side of the shell; the air pipe with the electric air door is mounted at the back side end of the shell; the high-temperature smokeflow separation mechanism is provided at the right side end of the shell; an observation pipe is additionally provided at the left side end of the shell; the center gas pipe, the center air pipe and the main gas pipe are respectively mounted at the lower end of the shell; the center gas combustor is transversely mounted at the middle in the shell; and the main gas combustor is transversely mountedin the middle of the shel