The invention discloses an immersion cleaning
system and an immersion cleaning method thereof for
chromium-polluted building garbage. The immersion cleaning
system comprises sulphuric acid storing jars, alkali liquor storing jars, medicament stirring jars, a water retaining and discharging tank, pump tanks, an immersion cleaning tank body of which the section is rectangular, and a
medicine distributing pipeline, wherein an acid discharging opening is formed in one side of each sulphuric acid storing
jar, a discharging opening is formed in the other side of each sulphuric acid storing
jar, andthe discharging opening of each sulphuric acid storing
jar is connected with a first feeding opening of each medicament stirring jar through a pipeline; a second feeding opening for adding
ferrous sulfate and a water inlet opening are also formed in the top of each medicament stirring jar; the immersion cleaning
bank body is arranged on one side of the water retaining and discharging tank; and themedicine distributing pipeline is arranged along the long edge of one side of the immersion cleaning tank body. Treating liquid after immersion cleaning of garbage flows back into the water retainingand discharging tank from the discharging opening of the immersion cleaning tank body, and is drained out through a waste liquid pipeline arranged at the bottom of the water retaining and dischargingtank. The
treatment period is short, the technological process is complete, the immersion cleaning course is simple and convenient to operate, and the repair effect is good. The immersion cleaning tank body has a leakproof function, and in the immersion cleaning course, liquid medicaments form liquid seal on the building garbage, so that dust raising is avoided.