The invention discloses an
active noise control method for a reactor chamber, which uses a reference
signal sensor array, a secondary sound source array and an
error signal sensor, and is characterized in that a
noise propagation channel with a variable
diameter is erected on an outer window of the reactor chamber to shrink the
noise propagation area; erecting a reference
signal sensor array on an outer window, and collecting a
noise cloud picture; a secondary sound source array is erected, signals are sent out through a controller, and a secondary sound source sends out sound
waves with the same amplitude and the opposite phase as reference signals for
noise reduction; an
error signal sensor is erected on the outermost side, and
residual noise obtained after
noise reduction is collected and fed back to the controller; the number of the reference
signal sensor arrays and the number of the secondary sound source arrays are not limited, and a multi-order array can be arranged according to the actual situation on site; the positions of the reference signal
sensor array and the secondary sound source array are not limited, the back is provided with a
roller skating module, the position of the module is adjusted according to a noise cloud picture output
control signal, and the
noise reduction effect is improved.