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The two-stage compact system can be used to prepare various classes of waste wood for material recycling or energy recovery. The first step is shredding by a Crambo. The shredding teeth and screen basket size are configured for the input material and desired output product. The objective is a homogeneous shred with the lowest possible amount of fine fraction.
The second step is separation of the useful fraction and for this a Multistar SE star screen is used. Automatic return of the overlengths to the shredder by a conveyor belt reduces time and costs for feeding.
The process starts with the Crambo low-speed dual-shaft shredder. The teeth and screen basket size are configured for the input material and desired end product. The objective is a homogeneous shred with the lowest possible amount of fine fraction, and a steady supply to downstream machines.
Metallic contraries in the output product are not desired. An overbelt magnet pulls ferrous metal items out of the shred stream. It is installed in the line of material flow, for maximum effectiveness.
Depending on requirements, a Multistar star screen is used to generate two or three fractions. If only the oversize or fine fraction needs to be removed, the Multistar 2-SE is the answer. If both need to be separated, a Multistar 2-SE or 3-SE is used, in both cases based on the principle of first coarse, then fine screening.
To keep processing costs as low as possible, the overlengths left after screening are taken by conveyor back to the Crambo shredder’s feed hopper. Wood stays in the process until it reaches the degree of shredding defined by the screen setting.
Reversible conveyors before the star screen make it possible to shred the wood (or other materials) just in the Crambo. Another frequent addition is an eddy flow separator to remove non-magnetic metals.
We’ll show you how to optimize your processes, based on our experience and extensive data analyses.
From individual mobile machine to complex stationary system, from us you get the right process solution.
Our maintenance and service agreements, as well as extended warranties, are aligned with your needs.