INTRODUCTION
The Fornnax tyre recycling plant has a three various stages for tire recycling that produces high quality crumb rubber granules. Utilizing scrap passenger car tires & truck tires as input, this highly automized system includes customize multipurpose shredders & granulators that will produce 0.8 mm to 4 mm granules.
PROCESS STAGES
Stage 1: Primary ShreddingAt this stage, whole tyres are fed into Fornnax SR-Series primary shredder through the Infeed conveyor system. This unit is high torque low-speed equipment, which reduces the whole tyre to variable-size strips. The shredded tyre strips are approximately 50mm wide x 300mm long with occasional pieces up to 400mm long. The strips, sized up to 150mm, are passed through a screening process. Strips, larger than 150mm, will move back to the primary shredder to produce a consistently sized shred averaging 50mm-150mm in size.
Stage 2: Secondary ShreddingAt this stage, primary tyre shred is fed into Fornnax R-Series secondary shredder through a conveyor feed system. This unit is heavy-duty medium speed equipment with a screening system, which produces tyre chips of size 20-30 mm called rubber mulch. This process liberates ferrous metal from the bead and tread area and then separate through the over-band magnet, providing rubber mulch that is up to 98% steel-free for further processing. The material at this stage can be marketed as high-quality low-steel Tyre Derived Fuel (TDF) for a wide variety of combustion applications.
Stage 3A: Primary GranulationIn the primary granulation stage, 98% of steel-free rubber chips (rubber mulch) are fed to the Fornnax TR-Series granulator through the conveyor feed system. TR-Series Granulator is specially designed to accept steel-free rubber mulch for further downsizing and textile liberation. This process liberates 50% fiber (textile) and then separate through Classifier-1. Material is then routed via a screw conveyor and pneumatic conveying system either to the next granulation stage to undergo further reduction or to the Auto Bag Filling System; where it is packaged for a broad range of granulate applications.
Stage 3B: Final GranulationIn the final Granulation stage, primary granulated material is fed into Fornnax TR-Series granulator through a screw feed system. This unit is high-speed equipment with the screening system, which produces rubber granule of size 0.8-4 mm and separate remaining liberated 50% textile with the help of classifier-2 and separation table. Secondary magnetic separation ensures the removal of remaining leftover 1-2% steel wire. It provides a high-quality rubber granule with a purity of up to 99.9%.
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