WATER TREATMENT EQUIPMENT

Abstract

A water treatment device (1) according to the present invention includes a filtration unit (2), a first raw water inlet pipe (7a), a second raw water inlet pipe (7b), a chemical supply unit (3), a pure water discharge pipe (10) for discharging pure water after filtration from the filtration unit (2) or raw water from the first raw water inlet pipe (7a), a discharge pipe (8) for discharging water that has washed the filtration unit (2), a distribution head connecting the chemical supply unit (3) and the filtration unit (2), a first valve (11) that opens and closes the first raw water inlet pipe (7a), a second valve (12) that opens and closes the second raw water inlet pipe (7b), and a third valve (13) that opens and closes the discharge pipe (8), and can switch between filtration mode, backwash mode, and flow diversion mode by opening and closing the valves.