CLASSIFIER Russian patent published in 1995 - IPC

FIELD: building materials industry. SUBSTANCE: classifier has housing 1, classifying spring with upper support 11 and lower one 10, mechanism 17 to compress the spring, loading pipeline 3, unloading pipeline 4. Pipeline 4 has horizontal section 5 with fast-response valve 7 and vertical section 6 with diffuser 8 joint to spring lower support 10. The vertical section is coaxial to the housing. Pipeline 13 provided for inlet of subdividing medium has horizontal section 15 with flexible insertion piece 16 and vertical section 12 being coaxial to the housing. Vertical section end is coaxial to the spring and has converging tube 14 located over diffuser 8. Mechanism to compress the spring is installed on the boundary between section 12 and section 15 coaxial to the housing. Spring upper support 11 is rigidly fastened on the pipeline for subdividing medium inlet. Pipeline 19 provided for stirring up initial material has inclined sections 20 and 21. They are parallel to bottom walls 2 and provided with holes facing inside the housing. Perforated horizontal section 23 is located between the inclined section. EFFECT: high effectiveness. 1 dwg