CLOSED WATER SYSTEM OF CENTRALIZED HEAT SUPPLY SYSTEM Russian patent published in 1997 - IPC

FIELD: centralized heat supply systems. SUBSTANCE: system has source, heat supply main consisting of supply and return lines and heat points at heat supply inlets of building; each point includes inlet sections of supply and return lines of heat supply main, supply and return pipe lines of heating systems, tap water and circulating water preheaters and cross-piece connecting the inlet sections of supply and return lines of heat supply main; cross-piece is connected to supply line before point of mounting of flow control fittings and to the return line after point of mounting of preheaters. Circulating water pressure differential regulator is also fitted on cross-piece. Pressure sensors are mounted in inlet sections of supply and return lines. EFFECT: enhanced reliability. 1 dwg