Primary shredder MSB-E series

secondarytwo shaftfor electronics scrap

Product description
The Enerpat two-shaft shredder is designed for two-stage processing of end-of-life lithium batteries within a recycling line. It performs coarse and fine shredding to prepare material for subsequent pyrolysis and mechanical sorting. It operates at low speed with high torque, offering low noise and efficient energy consumption.

Key advantages

• Two-stage shredding: MSB‑E800 — coarse shredding <=200 mm → MSB‑E600 — fine shredding <=30 mm.
• Dual-shaft cutting knives: combined shearing and tearing for uniform particle size.
• Low rotational speed and high torque — increased safety when processing charged cells.
• CE conformity; high throughput and long service life.

Role in the recycling line
The two-shaft shredder is the primary-stage equipment: provides primary reduction to fractions <200 mm and secondary reduction to fractions <30 mm, preparing feedstock for pyrolysis and mechanical separation.

Processed materials
After prior disassembly and full discharge, suitable lithium cell types include:

• Cylindrical cells (including 18650, 21700, 4680, etc.).
• Prismatic rigid-case cells.
• Pouch (laminated) cells.
• Small battery modules.

Limitations: high-strength bolts >8 mm diameter, steel/aluminum plates >2 mm thickness and stainless steel >1 mm thickness are not permitted.

Maximum size of processed material (by type)
Cell type | Casing material | Length (mm) | Width (mm) | Thickness (mm) | Diameter (mm)
Cylindrical | Steel | ≤350 | / | / | ≤32
Prismatic | Aluminum or steel | ≤330 | ≤200 | ≤30 | /
Pouch | Aluminium-plastic film | ≤350 | ≤200 | ≤10 | /
Mobile phone | Aluminium-plastic film | ≤100 | ≤60 | ≤12 | /
Blade battery | Aluminum or steel | ≤600 | ≤90 | ≤12 | /

Key equipment components

• Serviceable crushing chamber — for maintenance and extended service life.
• Heavy-duty planetary gearbox — gears made of ductile wear-resistant alloy, hardened and ground.
• Modular knife system — quick-replace modules; blade materials: high-hardness alloys (e.g. 9CrSi, 55SiCr).
• Electrical system based on PLC (SIEMENS/SCHNEIDER) and touch HMI.
• Sealing system — multilayer protection against dust and moisture.
• Auxiliary feeding device and rotary screen (optional) — for feed control and particle sizing.
• Spline shaft — rigid connection between gearbox and main shaft to transmit high impact loads.

Product specification
Recommended models: MSB-E600 and MSB-E800. Technical data (main parameters):
Model: MSB-E600 | MSB-E800
Machine size (L×W×H): 2170×1600×1840 | 2700×1300×1850
Crushing chamber length (mm): 600 | 800
Discharge height (mm): 640 | 640
Blade diameter (mm): φ270-300 | φ270-450
Speed (rpm or positional parameter): 9-32 | 10-32
Blade material: German (high-strength alloy) | German (high-strength alloy)
Blade thickness (mm): 20/30 | 20/30
Motor power (kW): 30 | 15/30/60
Hopper volume (L): 650 | 750
Machine weight (kg): approx. 2100 | approx. 2300

Technical characteristics / specifications

• Two-stage shredding scheme: primary <200 mm → secondary <30 mm.
• High-hardness alloy blades, modular replacement, service life ~30% above standard.
• Reinforced steel gearbox, hardened gears for high wear resistance.
• Control: PLC SIEMENS/SCHNEIDER, touch HMI for simple operation.
• Multi-level dust and moisture protection for reliable operation under harsh shredding conditions.
• Options: auxiliary feeder, rotary screen, motor power configurations on request.