Absorption type gas filtering apparatus

The utility model discloses an absorption type gas filtering apparatus, including one hollow gas filtration pipe (1), gas filtration pipe (1) one end is the air inlet, and one end is the gas outlet, and the both ends of gas filtration pipe (1) respectively are equipped with a sealing plug (2), the middle part of sealing plug (2) is equipped with intercommunication gas filtration pipe (1) inside and outside permeability cell (3), its characterized in that: be equipped with a plurality of filter layers (4) in gas filtration pipe (1), every filter layer (4) are constituteed by a plurality of inside fill cylindrical filter element (5) of having gas gel particle, and are a plurality of cylindrical filter element (5) set up along the circumference of gas filtration pipe (1) side by side, and the flexible sealing material is filled in the space of intermediate formation. Its advantage lies in: thereby adsorb the availability factor that moisture can lengthen the live time improvement adsorbent of adsorbent as the ad