FIELD: construction.
SUBSTANCE: system comprises the primary settling tank 1 with pump station 2 and pipeline 3 of primary treated water, mixer 4 for mixing the primary treated water with reagents, filters with granular media 5, cooling tower 7, thin-layer flocculator 16 for purification of wastewater of filters, receiving reservoirs 19, pumping stations 12 and connecting pipelines. In this case, the system is equipped with the device for preparation and dispensing of reagents 22, which is connected to the pipeline 3 of primary treated water and with thin-layer flocculator 16, and the purified wash water of filters is supplied to the pipeline of primary treated water.
EFFECT: increase of efficiency of wastewater treatment of casting and rolling complex.
2 cl, 2 dwg
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