Environment-friendly natural gas filtering and purifying device

The utility model discloses an environment-friendly natural gas filtering and purifying device. Wherein one side of the filter box is provided with an opening; wherein supporting legs are fixedly mounted at four corners of the bottom of the filtering box; an air pump is fixedly mounted on one side of the top of the filter box; the other side of the top of the filter box communicates with and is fixed with an air inlet pipe; a first circular hole is formed in the inner wall of the top of the filter box; an air inlet of the air pump extends into the first circular hole; an air outlet of the airpump communicates with and is fixedly provided with an air outlet pipe, a collecting box with an opening in the top is movably sleeved with the filtering box in a sealed mode, one side of the collecting box extends out of the filtering box and is fixedly provided with a U-shaped handle, and the inner wall of the bottom of the collecting box is fixedly provided with a first filtering net and an activated carbon filtering n