Gas concentration detection device for hydrogen-doped pipeline of gas turbine power plant

A gas turbine power plant hydrogen-doped pipeline gas concentration detection device comprises a hydrogen-doped natural gas fuel mixing device and a gas concentration detection device. The hydrogen-doped natural gas fuel mixing device comprises a natural gas regulating valve and a hydrogen regulating valve, the inputs of the natural gas regulating valve and the hydrogen regulating valve are connected with the output of the DCS, and the outputs of the natural gas regulating valve and the hydrogen regulating valve are connected with the input of the gas mixing tank; the output of the gas mixing tank is connected with the input of the flow mixing valve, and the input of the flow mixing valve is further connected with the output of the DCS; the gas concentration detection device comprises a sampling device and a sample gas treatment device, the input of the sampling device is connected with the output of the mixed flow valve, the output of the sampling device is connected with a sampling pipe, and the sampling pi