Purification engineering construction protective fence

The utility model relates to the technical field of protection, in particular to a purification engineering construction protective fence which comprises a fixed handrail and a base, a detachable handrail is embedded in the fixed handrail, the detachable handrail is in sliding connection with the fixed handrail, a clamping groove is formed in the left side of the bottom end of the detachable handrail, and a clamping groove is formed in the base. The bottom surfaces of the left end and the right end of the fixed handrail are fixedly connected with supporting rods, the inner side of the base is provided with a sliding groove, and the top end of the sliding groove is fixedly connected with a telescopic rod. And the protective fence can be quickly fixed and dismounted by adjusting the air pressure in the suction cups, the fixing convenience is greatly improved, and through arrangement of springs, clamping grooves and telescopic rods, replacement of the independent protective fence can be achieved. 本实用新型涉及防护技术领域，尤