Abstract

The invention relates to a method for grinding and drying a material or material mixture (M), using a cyclone device (10) which communicates with an outlet line (52) for gas (G) and material (M) processed in the cyclone device (10), wherein at least a portion of the gas (G) and material (M) in the outlet line (52) are returned into a lower opening (14) of the cyclone device (10) for further cyclone treatment. The invention relates also to an apparatus.

IPC Classes  ?

• B02C 19/06 - Jet mills
• F26B 1/00 - Preliminary treatment of solid materials or objects to facilitate drying
• F26B 17/10 - Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by fluid currents, e.g. issuing from a nozzle

Abstract

The invention relates to a method for grinding and drying a material or material mixture (M), using a cyclone device (10) which communicates with an outlet line (52) for gas (G) and material (M) processed in the cyclone device (10), wherein at least a portion of the gas (G) and material (M) in the outlet line (52) are returned into a lower opening (14) of the cyclone device (10) for further cyclone treatment. The invention relates also to an apparatus.

IPC Classes  ?

• B02C 9/00 - Other milling methods or mills specially adapted for grain
• B02C 19/06 - Jet mills

Abstract

The invention concerns a method and a device for crushing/grinding and drying a material or a material mixture (M), in which a cyclone device (10) is used that comprises an outlet (52) for gaseous medium (G) and an outlet (14) for material (M) crushed/ground and dried in the cyclone device (10). At least a part of the gaseous medium (G) that leaves the cyclone device (10) is recirculated in such a manner that it re-enters into the cyclone device.

IPC Classes  ?

• B02C 19/06 - Jet mills
• B02C 9/00 - Other milling methods or mills specially adapted for grain
• B04C 5/06 - Axial inlets
• B04C 5/107 - CoresDevices for inducing an air-core in hydrocyclones
• B04C 5/14 - Construction of the underflow ductingApex constructionsDischarge arrangements
• B04C 11/00 - Accessories, e.g. safety or control devices, not otherwise provided for
• F26B 17/10 - Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by fluid currents, e.g. issuing from a nozzle

Abstract

The invention relates to a method to separate different materials from each other, such as, for example, elements and/or compounds of elements. The material (A-C) is pre-treated in a cyclone device (10) that comprises a restricted outlet (21) for a gaseous medium and an outlet (14) for material treated in the cyclone device, whereby the cyclone device (10) breaks the material (A-C) down into smaller fractions and changes the electric charges of the materials, and in that the different materials (A-C) are subsequently separated from each other by means of electrostatic separation (70).

IPC Classes  ?

• B03C 7/12 - Separators with material falling free
• B04C 9/00 - Combinations with other devices, e.g. fans

Goods & Services

Processing of waste materials, including drying, sorting, crushing and grinding waste materials.