Full-automatic multichannel particulate matter re-suspension device

The invention discloses a full-automatic multichannel particulate matter re-suspension device and belongs to the technical field of atmospheric environment monitoring and protection. The full-automatic multichannel particulate matter re-suspension device may comprise sample inlets, sample injection channels, a re-suspension tank and a sampling platform; the plurality of sample inlets are provided;the plurality of sample inlets are communicated with the top end of the re-suspension tank through the sample injection channels; the sampling platform is connected with the bottom end of the re-suspension tank in a sealing manner; the sampling platform is provided with sampling heads; the lower end of the sampling platform is provided with a film feeding barrel, a film storage barrel and a filmchanging mechanical arm; the film feeding barrel is used for accommodating a plurality of sampling films; the film storage barrel is used for storing the sampling films which have been subjected to sampling; and the film chang