EXTRUDER Russian patent published in 2005 - IPC

FIELD: food industry; equipment for extrusion treatment of food products.

SUBSTANCE: the invention is pertaining to the field of food industry, in particular, to the equipment for extrusion treatment of food products. The equipment may be used for production of extruded articles of food in different branches of food industry, for example, for production of corn rods, combined fodders for animals, etc. The extruder contains a loading bin, a working chamber with heating elements, a screw, a bearing mount assembly, a mixer and a steaming plant. The steaming plant is located in the loading bin and contains a slope double bottom placed at the angle exceeding the angle of a natural inclination of the processed raw material. In the slope double bottom there are bores for a steam supply, the number of which increases along the raw material traffic route. In the extreme lower part of the slope double bottom there is a tube for a condensate removal. The mixer is linked to the body of the extruder with the help of a mobile flanged coupling. On the outer surface of the body there is a crown gear, and inside the body - a cylindrical sleeve. The sleeve has three zones: a zone of transportation with the blades located at an angle of elevation "α", a zone of the product compaction with an angle of blades elevation "β" and a zone of transportation of the product with an angle of blades elevation "α". The invention ensures improvement of quality of the finished products at the expense of preliminary uniform moistening and heating of the raw materials by steam and also its intensive stirring, decrease of time for the raw material treatment and decrease of dimensions of the extruder.

EFFECT: the invention ensures the finished products quality improvement, decreased time for the raw material treatment and dimensions of the extruder.

6 dwg