PIPE LINKED SELF TREATMENT PRECAST RAINWATER DETENTION TANK AND THE DETENTION METHOD USING THE SAME

摘要

PURPOSE: A pipe linked precast rainwater storage tank and a storage method are provided to improve rainwater treatment effects by enabling to control a target material including various impurities, and to be applicable to all kinds of existing facilities by executing all functions for reducing nonpoint pollution sources and rainwater leakage. CONSTITUTION: A pipe linked precast rainwater storage tank(100) comprises a precipitation part(130), an adsorption and filtration part(150), a purification and storage part(170), and a transport part(190). The precipitation part precipitates impurities contained in the rainwater inside multiple vertical pipes(132). The adsorption and filtration part is arranged consecutively after the precipitation part. The adsorption and filtration part adsorbs and filters the impurities in the rainwater which passes a filtering material inside a vertical pipe(152). The purification and storage part is arranged consecutively after the adsorption and filtration part. The purification and storage part purifies the rainwater through microorganisms using a bio film inside multiple vertical pipes(172) for storing. The transport part comprises an exhaust pump(192) for pressurizing and transporting the stored rainwater to the outside.