Selecting a Mobile ELV (End-of-Life Vehicle) Crushing & Sorting Line centered on the MSTD670 Mobile Metal Shredder requires evaluating both the overall system workflow and the shredder’s specific capabilities against your operational scenario. Below are the key decision factors broken into Line-Level Selection and MSTD670-Specific Criteria.
Mobile ELV Crushing & Sorting Line — Key Selection Factors
1. Feed Material Profile & Pre-Treatment Requirements
- ELV Condition: Whole car bodies (with/without de-pollution), crushed bales, or loose shells? Mobile lines typically accept whole or semi-dismantled vehicles, but fluids (oil, coolant), batteries, and airbags should be removed upstream for environmental compliance and equipment protection.
- Mix of Materials: Will you process only ELV shells, or also appliances, mixed scrap, construction metal? A versatile line should handle mixed ferrous/non-ferrous + attached non-metallics (plastics, glass, rubber).
- Size & Density: Largest single piece dimension determines hopper/chamber sizing; average bulk density affects real-world throughput vs. rated capacity.
2. Throughput & Process Stage Configuration
• Required Capacity: Mobile ELV lines commonly target 10–30 t/h of car bodies at pre-shredding stage. Match line capacity to your daily/weekly intake volume, allowing 20–30% headroom for peaks.
- Stage Design:
• Single-stage (pre-shred only): For volume reduction and on-site transport minimization.
- Two-stage (pre-shred + fine shred/crusher): Pre-shredder (MSTD670) → mobile hammer mill → magnetic + eddy current separation for higher metal liberation/purity.
- Output Particle Size: Pre-shred typically 50–150 mm; fine shred <50 mm for EAF feed or dense-media separation. Choose screen/grate options accordingly.
3. Mobility & Site Deployment Conditions
• Chassis Type: Tracked (crawler) for rough/scrapyard terrain and frequent repositioning; Wheeled/towed for road transport between fixed sites. MSTD670 is available in track-mounted versions for on-site agility.
- Footprint & Setup: No fixed foundation needed—verify ground bearing capacity, turning radius, access width. Foldable conveyors aid compact transport.
- Off-Grid Capability: Diesel or diesel-electric hybrid power enables operation at remote dismantling yards without grid access; dual-power (diesel + plug-in electric) offers cost savings where mains available.
4. Integrated Sorting & Downstream Recovery
- Separation Modules: Ensure line includes overhead/inline magnetic separator (ferrous extraction, >95% purity) and eddy current separator (non-ferrous Al/Cu recovery). Optional trommel/air classifier for light fraction (“fluff”) removal.
- Conveyor Layout: Infeed (loader/grab bucket), transfer between shredder and crusher, discharge to sorted stockpiles—check belt widths, heights, and folding mechanisms for mobility.
- Dust & Noise Control: Water mist/dust suppression systems and acoustic enclosures important for urban or regulated sites (noise ≤75–105 dB(A) depending on standard).
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