FIELD: aquaculture.
SUBSTANCE: invention relates to the field of aquaculture and can be used for use in installations of closed water supply (ICW), intended for the cultivation of aquatic organisms. Device for stabilizing the pH of water in an ammonia nitrogen removal unit from the wash water of zeolite filters consists of an automation and control unit (1) with an installed program for the computer "Program for managing the parameters of water in ICW", capacity for dry NaOH (2), conveyor (3), circulation pump (4), tanks for dissolving dry NaOH (5), tank with flushing water (6), second tank for sludge (7), pump for discharging water with high pH concentration (8), first tank for sludge (9), pump for feeding water with a low pH concentration (10), block for withdrawing sedimentary fractions (11), pump for moving sedimentary fractions (12), filter (13), first shutter (14), second shutter (15), third shutter (16), fourth shutter (17), fifth shutter (18), sixth shutter (19) and seventh shutter (20). In this case, the inputs and outputs of the above-mentioned elements are interconnected.
EFFECT: invention allows to significantly reduce the time of removal of ammonium nitrogen from the wash water of zeolite filters of ICW.
1 cl, 1 dwg, 3 ex, 4 tbl
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