Spherical graphite production line central control detection device and detection method thereof

The invention discloses a spherical graphite production line central control detection device and a detection method thereof, and belongs to the technical field of graphite production line detection. In order to realize online detection on a closed graphite production line, the online detection device comprises a hundred dry type detector valve control cabinet and a negative pressure sampling box body, a negative pressure pump is mounted on the inner side of the top in the negative pressure sampling box body, a filter screen is mounted in the middle of the negative pressure sampling box body, and a collecting bin is mounted at the bottom of the negative pressure sampling box body; a hundred-meter detector in the hundred-meter detector valve control cabinet is connected with the left side surface of the negative-pressure sampling box body through an online detection pipeline; a stainless steel sampling pipe header pipe is arranged on the right side surface of the negative-pressure sampling box body relative to