METHOD OF DISPOSAL OF MERCURY-BEARING TUBES AND DEVICE TO THIS END Russian patent published in 2013 - IPC C22B43/00 

FIELD: process engineering.

SUBSTANCE: proposed method comprises feeding the tubes into grinder, grinding, separating metallic bases and crushed glass containing phosphor and mercury and mercury stabilisation of sulphide form. Heated calcium polysulphide solution is fed drop-by-drop in grinder along with tube feed therein. Device comprises unit of sulfidising and separation and that for process air cleaning. Said unit of sulfidising and separation comprises shell with cover connected with glass mass collector and having opening connected with intake of bases, acceleration tube arranged inclined to cover, service container with demercurisation solution connected feed tube, grinder and grate arranged there under. Grate center has truncated cone open at both sides with vertex directed upward. Note here that container is furnished with solution heater while process air cleaner is connected to acceleration tube.

EFFECT: simplified and faster process, higher degree of disposal.

6 cl, 2 dwg