CLOSED WATER SYSTEM OF CENTRALIZED HEAT SUPPLY COMPLEX Russian patent published in 1998 - IPC

FIELD: hot supply systems. SUBSTANCE: system includes supply and return lines, supply and return pipe lines of heating system, cold and hot water pipe lines, heat-transfer agent constant flow regulator, elevator and pump or preheater of heating system. Hot water preheater is fitted in return pipe line of heating system. Supply and return pipe lines of heating system are connected by means of jumpers fitted with temperature regulators; sensors are fitted in return pipe line of heating system and in hot water pipe line. System is provided with additional jumper connecting the inlet and outlet and outlet branch pipes of water preheater with temperature regulator on heating water side. EFFECT: enhanced efficiency of heat supply system. 1 dwg