OVERFLOW DEVICE Russian patent published in 2000 - IPC

FIELD: column apparatus. SUBSTANCE: device is used for liquid removal from mass-exchange, separating and filtering plates to step located below. It may also be used in column apparatus, for example, in gas drying absorbers, separators, filters or in sections of multifunctional mass-exchange apparatus. It has bent pocket with inlet and outlet branch pipes. Outlet branch pipe is shorter than inlet branch pipe, and it is provided with valve coupled to float. Float is positioned inside outlet branch pipe and coupled to valve arranged on outlet branch pipe and to tie-rod provided with lifting limiter and mounted for vertical displacement in guides secured on wall of outlet branch pipe by means of brackets. Lower part of outlet with detachable plug. Device ensures reliable operation of apparatus due to filling of it with process liquid during apparatus operation. EFFECT: enhanced efficiency. 2 cl, 2 dwg