METHOD OF BRIQUETTE MANUFACTURE Russian patent published in 2009 - IPC C10L5/44 B27N3/28 

FIELD: mechanical engineering.

SUBSTANCE: method may be used in briquette pressing technology to produce vegetable oil and oil cakes as briquettes. It is useful for wood and wood-working industry waste treatment to produce qualitative and environmentally friendly fuel briquettes free from binding substances. They can be used for treating oil cakes and disperse wastes in coil industry. Initially, milling zone is consequently formed in extrusion channel between zones of initial raw material loading and tapered pressing screw. Then pre-pressing zone and heating zones are generated due to internal friction forces, where excess moisture is squeezed and removed from extrusion channel through its walls, which are permeable for steam and liquid. The required commercial parametres for briquettes made from each type of raw materials are chosen based on combination of screw rotation speed, variable amounts of supplied raw materials, variable clearances between internal tapered surface of extrusion channel and external tapered surfaces of pre-pressing and heating screw, and external tapered surfaces of tapered pressing screw.

EFFECT: method allows for producing qualitative briquettes from different types of raw materials.

1 dwg