POWER-AND-HEATING PLANT WITH RING WATER AND STEAM BOILERS Russian patent published in 2001 - IPC

FIELD: power and steam generation. SUBSTANCE: power-and-heating plant includes ring steam boiler, power installation connected to electric generator, condenser and condensation pump. Power installation is manufactured in the form of steam rotary engine. Condenser comes in the form of ring water boiler mounted above steam boiler. Condensation pump is of rotary type. Steam and water pumps are structurally same: second pipe with length equal to length of central pipe is put on central pipe with clearance, butts of pipes being closed with ring cups having ring necks where butts of two pipes put one on another enter and are welded. Rigidity belts are installed in steam boiler. EFFECT: reduced losses of heat in system, enhanced efficiency. 6 cl, 7 dwg