High-concentration nitrogen adsorption separation equipment

The utility model discloses high-concentration nitrogen adsorption separation equipment which comprises an adsorption tower, a gas inlet assembly and a circulation assembly, the gas inlet assembly comprises a two-way pipe arranged on one side of the upper end of the adsorption tower and partition plates arranged and arranged in the adsorption tower at the lower end of the two-way pipe; the air inlet assembly further comprises a semicircular first splitter plate installed at the bottom of the partition plate in an attached mode and round holes evenly formed in the upper end of the first splitter plate. According to the high-concentration nitrogen adsorption separation equipment disclosed by the utility model, the partition plates which are arranged at the upper end of the first splitter plate and are used for equally dividing the first splitter plate are matched with the two-way pipes which are respectively connected with the upper part, so that uniform air intake of compressed air can be realized, the compres