Control method of wind powder multi-parameter online detection device

The invention provides an air-powder multi-parameter online detection device and a control method thereof. The air-powder multi-parameter online detection device is arranged on an air-powder mixing pipeline, one end of the air-powder mixing pipeline is connected with a combustor, and the other end of the air-powder mixing pipeline is connected with a coal mill; a plurality of combustors are arranged on the boiler, each combustor is connected with the air-powder mixing pipeline, and the online detection device comprises a first detection assembly, a second detection assembly and a control assembly, and the first detection assembly is used for obtaining the flow speed of powder particles in the air-powder mixing pipeline; the air powder balance adjusting assembly is arranged on the upstream of the first detection assembly in the flowing direction of the powder particles; the control device is used for receiving the multiple pieces of flow velocity information and selecting the minimum flow velocity as the stand