REGENERATIVE HEATER OF FEEDING WATER OF EJECTOR Russian patent published in 1994 - IPC

FIELD: heat power engineering. SUBSTANCE: active water ring nozzle encloses active water nozzles. A mixing chamber provided with inlet branch pipe is separated into sections for supplying condensed vapor of different parameters. Walls of the section within the mixing chamber are made of hollow funnel-shaped diaphragms which are converged in the direction of heater outlet and oriented in the direction of flow. Outlet section of the diaphragms is made of an auxiliary active water ring nozzles. Inner diameter of diaphragms in the zone of their outlet section is determined by a given relationship. A directing unit is mounted in the section and made of an assemble of funnel-shaped nozzles provided with flexible tips at their ends. Inner diameter of the outlet section of the nozzles does not exceed inner diameter of the outlet section of the diaphragm located downstream of the assemble. Vanes are mounted at an angle to nozzle axis at outlet part of the main nozzle. EFFECT: enhanced efficiency. 3 cl, 4 dwg