Liquid chlorine gasification safety maintenance treatment system and treatment method

The invention discloses a liquid chlorine gasification safety maintenance treatment system and method, the liquid chlorine gasification safety maintenance treatment system comprises a storage bin, an absorption pump, a chlorine absorption tower and a hydrochloric acid absorption tower, the absorption pump conveys leaked chlorine to the chlorine absorption tower, and the chlorine absorption tower is communicated with the hydrochloric acid absorption tower; the hydrochloric acid absorption tower comprises a gas-liquid distribution chamber, an absorption cooling chamber, graphite absorption strips and two switching plates, the gas-liquid distribution chamber and the absorption cooling chamber are separated through one switching plate, the multiple graphite absorption strips are arranged between the two switching plates, and each graphite absorption strip is provided with a large-diameter curved surface, a small-diameter curved surface, a large-diameter butt joint surface and a small-diameter butt joint surface.