Company founded 1975 US-based machinery business experienced in worldwide sales.

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Recycling Plant for Car and Truck Tires, Pre-shredding, Granulation, Grinding, Sieving and Cleaning

Description

  1. Overview
    1. Plant for recovering rubber granulate from car and truck tires for high quality recycling.
    2. Uses an environment-friendly hot grinding process with no chemicals.
    3. Produces no pollution of air, water, or soil.
    4. Produces clean granulate measuring <1 mm and 1-4 mm.
    5. Granulate separated into three groups: product I (0.25-0.8 mm), product II (0.8-1.8 mm), product III (1.8-4.0 mm).
    6. Fraction <0.25 mm recommended for disposal as it is mainly sand.
    7. Plant divided into four parts: pre-shredding, granulation, grinding, sieving and cleaning.
  2. Part I: Pre-Shredding
    1. Feeds 70% car tires by crane.
    2. Produces granulate size approx. 120 x 120 mm (hand size).
    3. Output approx. 3 t/h.
    4. Includes shredding machine B1350S.
    5. Includes belt conveyor (positions 1.2, 1.4, 1.5, 1.6).
    6. Includes disk sieve (position 1.3).
    7. Includes control panel pre-shredding (part of).
    8. Rotor shear with high-powered drive, designed for shredding old tires.
    9. Extremely robust design, used successfully worldwide since 1992.
    10. Complete blade shafts replaceable at once for short stand-still periods.
    11. Tires thrown into hopper serving cutter module, which shreds them.
    12. Conveyor belt brings shredded material to disk sieve.
    13. Pieces larger than 200 x 200 mm separated and returned to rotor shear.
    14. Smaller pieces conveyed to a tip for transfer to granulation part.
    15. Pre-shredding part erected outside to keep dirty sand and water out of production building.
  3. Part II: Granulation
    1. Produces granulate size approx. 15 mm.
    2. Output approx. 2 t/h.
    3. Includes bunker (approx. 7 m³).
    4. Includes belt conveyor (position 2.2).
    5. Includes granulator type U 1700, 160 kW (position 2.3).
    6. Includes vibration conveyor (position 2.4).
    7. Includes magnet separator (position 2.5).
    8. Includes screw (position 2.6).
    9. Includes belt conveyor (position 2.7).
    10. Includes granulator type U 1200, 90 kW (position 2.8).
    11. Includes vibration conveyor (position 2.9).
    12. Includes magnet separator (position 2.10).
    13. Wheel loader brings hand-sized tire pieces from tip to automatic bunker.
    14. Tire pieces conveyed to granulating and grinding sections.
    15. Consists of two successive efficient granulators and two parallel cutting mills.
    16. First granulator equipped with 22 mm sieve to expose steel fraction.
    17. Second granulator has 15 mm sieve.
    18. After granulation, metallic fraction separated by magnetic separator and conveyed to container outside.
    19. First granulator larger and stronger than second.
    20. Granulators rated specially for tire granulation, integrating bomatic experience.
    21. Rotor shaft consists of individual parts pushed onto shaft and screwed together.
    22. Blades screwed to rotor brackets; individual brackets replaceable without dismantling shaft.
    23. Sliding clutch to separate motor/shaft.
    24. Spherical roller bearing located outside cutting chamber.
    25. Cutting module hydraulically hinged for fast blade access and safety.
    26. After second granulation and metal separation, material conveyed to sieve machine.
    27. Parts smaller than 4 mm sieved out to relieve load on following mill.
    28. Rest conveyed to cutting mill with 4 mm sieve for grinding.
  4. Part III: Grinding
    1. Cutting mill with 4 mm sieve grinds material.
    2. Every granulator and cutting mill equipped with extraction systems at 5,000 m³/h.
    3. Extraction keeps surroundings dust-free and cools machines.
    4. Filtration system supplied in pressure capsule.
    5. Dust extraction produces cleaned air per German Clean Air Act.
    6. Material sucked out of mill into bunker, then conveyed in dosed quantities via elevator.
    7. Passes through drum magnet to separate tiniest steel particles.
  5. Part IV: Sieving and Cleaning
    1. Sieve machine mounted on rubber anti-vibration pads separates product flow into three fractions: textiles, granulate 0.25-4 mm, and >0.25 mm.
    2. Elevator conveys granulate to another sieve machine for final size separation.
    3. Each size transported to separation tables to separate minerals from granulate.
    4. Further textile separation removes remaining fluff fraction.
    5. Product passes another vibration sieve and is filled in big bags.
    6. Granulating and cleaning machines equipped with efficient dust extraction for areas with dust development.
  6. Control System
    1. Corresponding control systems in central switchboard monitored by a Siemens system for safe operation.