Patent ID: 8097053

Claim:
A separator or dust chamber ( 1 ) for oil shale separation, the separator comprising a main body ( 2 ) with an internal refractory lining ( 7 ) placed on an internal side-surface of said main body, a first stage cyclone ( 3 ), a second stage cyclone ( 4 ), lamella compensators ( 18 , 19 ), dust removal conduits ( 5 , 15 ), an inlet conduit for vapour-gas mixture ( 13 ) to first stage cyclone ( 3 ), and an inlet vent ( 9 ) in the main body ( 2 ) of the dust chamber ( 1 ) for the vapour-gas mixture, wherein the vapour-gas mixture contains semi-coke particles, wherein a diameter of a cylinder of the main body ( 2 ) of the dust chamber is uniform in its full height, with its lower end ( 11 ) having an outlet vent ( 8 ) for the removal of semi-coke particles, wherein said inlet vent ( 9 ) is located above the outlet vent ( 8 ) on a side of the main body ( 2 ) of the dust chamber ( 1 ), wherein the first and second stage cyclones ( 3 , 4 ) are located outside the main body ( 2 ) of the dust chamber ( 1 ), and wherein the internal refractory lining ( 7 ) of the main body ( 2 ) of the dust chamber ( 1 ) comprises a wear-proof and non-porous thermal insulation material.