专利名称：METHOD AND DEVICE FOR SEPARATING
OUT CONTAMINANTS FROM A PNEUMATICFIBRE STREAM
发明人：SCHNEIDER, FRITZ申请号：EP12701987.5申请日：20120117公开号：EP2665565A1公开日：20131127
摘要：The invention relates to a method and a device for separating out contaminantsin the form of coarse material (10) from a pneumatic fibre stream (4) intended forproducing fibre boards, wherein the fibre stream is divided into a separating air stream(25), which merely contains air and normal material (9) consisting of fibres, and a mainfibre stream (22), containing the coarse material (10) and normal material (9), by usingcentrifugal force, in that the fibre stream (4) undergoes a curvature (12), wherein the mainfibre stream is conducted in an outer region (13) of the curvature and the separating airstream is sucked away in an inner region (20) of the curvature, wherein the main fibrestream is fed to a separating roller (23), which has a multiplicity of pins (24) on its surfaceand rotates in such a way that the impinging coarse material and normal material isdeflected and conducted along a shaft portion (33) and the normal material isaccelerated to approaching the circumferential speed of the roller in such a way thatsome of the normal material leaves the effective range of the roller with a horizontalmovement component, wherein some of the normal material is sucked away through asuction removal line (40) and some of the normal material and the coarse material enter
a drop shaft (37) and from the latter enter an air classifier unit (2), wherein at least someof the separating air stream is fed to the air classifier unit in such a way that it acts on thenormal material and coarse material arriving from the drop shaft (37) and deflects thenormal material into a normal-material suction removal shaft (43), while the coarsematerial enters a coarse material discharge (54). The method and the device can beintegrated in an existing transporting line.
申请人：DIEFFENBACHER GMBH MASCHINEN- UND ANLAGENBAU
地址：Heilbronner Strasse 20 75031 Eppingen DE
国籍：DE
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