CIRCULATING WATER SUPPLY SYSTEM Russian patent published in 1998 - IPC

FIELD: water supply systems; may be used in food and chemical industries, in particular, in alcohol rectification. SUBSTANCE: supply system has coolers, pipelines for supply and discharge of heated and cooled water, pressure pumps installed on said pipelines, intermediate vessels installed on the pipelines between separate stages of cooling. Installed between surge tank and the first cooling stage on pipeline connecting them, is automated distributing device whose at least one channel communicates inlet and outlet of pressure pumps. Actuating mechanism of distributing device is functionally connected with pressure pickup installed on section of pipeline connected with outlet of pressure pumps. EFFECT: higher accuracy in maintenance of water temperature at its outlet for its repeated use. 13 cl, 21 dwg