DEVICE TO CLEAN SOIL OF OIL PRODUCTS Russian patent published in 2014 - IPC B09C1/00 

FIELD: process engineering.

SUBSTANCE: invention relates to reclamation of soils contaminated with oil products, decontamination of soils, liquidation of oil spillage, etc. Proposed device comprises intake bin, mixer, crusher, cleaned soil handling device, screw conveyor and vibrator. Crusher is arranged above intake bin and communicated via screw conveyor with mixer. Mixer represents and encased horizontal screw mixer with pelletised sorbent dispenser arranged at its top part. Mixer outlet is connected via screw conveyor with drier bin. Drier is composed by housing accommodating belt conveyors to carry the material along the drier and to pour it down onto belt conveyor. Conveyor top runs contact with vibrators mounted there under. Said vibrators are composed by roller eccentrics with individual or group drive. Burners to combust sorbent with oil products are arranged in drier housing above said conveyors. Drier top section accommodates the off-gas collection chamber communicated with cyclone and absorber via smoke sucker. Cleaned soil handling device is mounted at outlet of the last conveyor and composed by discharge channel connected with opening in drier housing sidewall to be closed by shutter.

EFFECT: higher intensity of oil removal irrespective of seasons.

1 dwg