Premixed linear flame burner

The utility model discloses a premixed linear flame burner which comprises a shell and an installation frame, a containing seat is arranged in the shell, a first tank body and a second tank body are arranged on the containing seat, a first air pipe is arranged on the first tank body, a second air pipe is arranged on the second tank body, and first electromagnetic valves are arranged on the first air pipe and the second air pipe. A PLC is arranged in the shell, a sliding rod is arranged on one side of the interior of the shell, an adjusting base is arranged on the sliding rod, a rotating disc is arranged on one side of the adjusting base, and a mounting frame is arranged on one side of the rotating disc. The speed reducer is matched with the threaded rod, the height of the flame burner during use can be adjusted and controlled, the adjusting motor is matched with the rotating disc, the angle of the flame burner during use can be adjusted and controlled, the height and the angle can be conveniently adjusted acc