METHOD OF THERMOGRAPHIC RAW MATERIALS LUMP SEPARATION (VARIANTS) AND DEVICE FOR ITS IMPLEMENTATION (VARIANTS) Russian patent published in 2008 - IPC B03B13/04 B07C5/344 

FIELD: mining engineering.

SUBSTANCE: method and device are based on exposing lump, containing useful component and dead ground, to radio magnetic field of microwave frequency during specified period with specified frequency radiation, fixing with the help of termographic system of thermal picture after termination of radiation and before or after termination of heat exchange process fading between controlling lump components, according to which average temperature is defined. Mass fraction of useful component in lump is defined according to mathematical relation, then one defines formation volume factor of useful component, volume filling index of useful component, according to received results one divides raw materials on flows. Variant of thermographic separation method are fulfilled with the help of variants of devices, containing device of raw materials blocks dosed supply and consisting of receiving bunker, conveyer with electric drive, equipment of electric magnetic radiation of microwave frequency, sensors of induced radiation and computing device with front-end interface, thermographic system of thermal sensors signals processing of induced thermal radiation, control pulse former connected with electric pneumovalve, installed with ability of its interconnection with separation device of raw materials blocks supplying containing less threshold useful component, and additionally fitted with chamber heated with energy of electric magnetic field microwave frequency, light narrow directed transmitting tool, bulk-illuminated imager and position sensor. Dosed material supply device additionally includes dropper with electric drive and with control system of electric drive, control system of conveyer electric drive and fell handler.

EFFECT: improving of separation effectiveness; decreasing of useful component containing in arentilla and electric power consumption.

7 cl, 6 dwg, 10 tbl, 13 ex