VACUUM STEAM-JET PUMP Russian patent published in 1995 - IPC

FIELD: mechanical engineering. SUBSTANCE: hollow frustum is mounted in the input to the second stage of the pump. A diaphragm with a hole is placed in the small base of the frustum. The area of the hole is determined by the preset expression. The boiler housing is hermetically connected with the lower base of the pump by cylindrical bushes. The cable of the electric heater and a hollow tube connected with the cooling system limited in the pump height by the umbrella of the first stage are inserter into he housing through the holes. An additional steam pipe with holes foe escaping the steam flow of the working liquid accommodated in the pump boiler is introduced into the housing of this step. EFFECT: facilitated manufacture. 2 tbl, 1 dwg