WATER AERATOR Russian patent published in 2000 - IPC

FIELD: devices for saturation of water with air; flotation plants for sewage treatment. SUBSTANCE: proposed device includes pump, upper supply pipe line and lower discharge pipe line and air supply pipe line, flow divider and pressure-reducing valve; pressure pipe is mounted vertically and is connected to discharge pipe line by its upper; its lower part is connected to pressure-reducing valve; flow divider is mounted inside pressure pipe; air supply pipe line is made in form of capillary tube. Pressure-reducing valve consists of two disks forming radial slot. Outlet of pressure-reducing valve may be connected with gas- and-liquid separator. EFFECT: increased concentration of air bubbles in water; reduced sizes; enhanced stability of operation. 3 cl, 3 dwg