RETORT FOR GRINDING OF WOOD AND DRYING OF WOOD FLOUR FOR COMPOSITE MATERIAL Russian patent published in 2009 - IPC B27L11/00 B02C21/00 

FIELD: woodworking industry.

SUBSTANCE: retort for grinding of wood and drying of wood flour for composite material comprises body, horizontal knives, discs, engines, shaft, system of initial raw materials supply, pneumatic dryer, system, of hot coolant supply, system of wood flour cleaning. In body on single shaft there are horizontal flat knives installed, and discs are fixed to body, on both sides of upper discs there are vertical knives with separate electric drives, and in fixed discs there are conical openings. Size of lower diametre of the first disc opening matches size of upper diametre of conical opening of the second disc, and lower diametre of conical opening in the second disc matches upper diametre of conical opening in the third disc, conical openings are calibrated for required sizes of wood grinding, and batcher of wood flour, which is connected to pipe of pneumatic drier, is used to load with flour spiral of drier, ends of which are connected to cylinders, and pneumatic drying pipe with its one end through conical opening is connected to radiator. It in its turn is connected to high pressure fan, having electric drive, and the other end of drying pneumatic pipe has conical nozzle above transporter of finished goods and outlet pipe for hot coolant.

EFFECT: reduced cost of wood grinding process.

5 dwg, 1 tbl