Oxygen and nitrogen analysis device for detecting silicon powder

The utility model provides an oxygen and nitrogen analysis device for detecting silicon powder, which comprises a bag-type dust collector, the bag-type dust collector is connected with a detection box through a conveying pipe, an infrared detector for detecting oxygen content is arranged on the inner bottom surface of the detection box, a partition plate is arranged in the detection box, and the partition plate is connected with the bag-type dust collector. A partition plate is arranged in the detection box and divides the interior of the detection box into a detection area and a degassing area, the degassing area and the detection area are arranged up and down, an exhaust pipe is arranged in the middle of the partition plate, the conveying pipe is communicated with the detection area, and the upper end of the right side face of the detection box is connected with a thermal conductivity detector through an air outlet pipe. A supporting frame is arranged on the right side of the detection box, and the thermal