The rebirth of used batteries: a crushing and separation recycling production line that turns "waste" into "minerals"
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2026-02-16 10:52:15
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It first shreds, then crushes, followed by screening, magnetic separation, eddy current sorting, density sorting, and electrostatic separation... Like a calm "surgeon," it dissects used lithium batteries, nickel-metal hydride batteries, and lead-acid batteries layer by layer.
Copper, aluminum, black powder, plastic films, and steel shells—each type of material is precisely "stitched" into its respective collection bin.
The entire line operates under negative pressure, with dust levels of 1 mg/m³ and noise levels of 72 dB. Exhaust gases undergo multi-stage activated carbon alkali spray treatment, with emissions far below EU standards.
PLC cloud-based control allows real-time monitoring of output, energy consumption, and fault alerts via mobile devices. It enables one-click switching between battery types and formulations, with a power consumption of 48 kWh per ton and recovery rates of 97% for copper and aluminum, 98% for black powder, and 99% for metal purity.
It only requires 168 square meters of floor space, features modular assembly, and can be delivered in 30 days and deployed for operation within 48 hours.
This isn't the end of the process for batteries—it's the beginning of a high-value metal recycling cycle. Let every battery retirement become the energy for the next charge.
**Output:**
- Feeding and crushing module: Two-shaft shredders with alloy cutting heads that can be flipped four times and have a lifespan of 3,000 tons;
- Low-temperature volatilization module: Nitrogen-protected 60-80°C low-temperature drying with a 99.5% hazardous electrolyte removal rate;
- Sorting module: Magnetic separation, eddy current sorting, density sorting, and electrostatic sorting to separate copper, aluminum, and plastic films;
- Black powder collection module: Negative-pressure pulse bag filters with high-efficiency filtration, keeping dust emissions at 0.1 mg/m³;
- Environmental protection module: Four-stage alkali washing, activated carbon adsorption, and UV oxidation to remove dioxins at 0.05 ng/m³;
- Control module: Siemens PLC and IoT gateway with remote start/stop, recipe download, and report push via mobile app;
- Safety module: Online oxygen monitoring, automatic nitrogen refilling, and explosion-proof valve assembly with an Ex d IIB T4 rating.
The entire system consumes 185 kW and requires only two shifts of two workers per day, with a per-ton operating cost of 128 yuan and a 14-month payback period—turning "environmental pressure" directly into "profit cash flow."
Taking used lithium iron phosphate batteries as an example, the market price of metals in the raw material (per ton): lithium 3.2%, cobalt 0.6%, nickel 0.5%, copper 8%, aluminum 12%, and black powder (LiCoMn) 35%.
At current market prices:
- Lithium: 180,000 yuan/ton
- Cobalt: 300,000 yuan/ton
- Nickel: 150,000 yuan/ton
- Copper: 60,000 yuan/ton
- Aluminum: 16,000 yuan/ton
- Black powder: 38,000 yuan/ton
- Total: 103,100 yuan/ton
- Per-ton costs:
- Raw materials: 42,000 yuan
- Energy consumption: 12,000 yuan
- Labor: 8,000 yuan
- Consumables: 15,000 yuan
- Total: 45,500 yuan
- Net profit per ton: 57,600 yuan
- Based on daily processing of 20 tons and 300 days of annual operation, the annual net profit is 346 million yuan—an environmental win and a financial success.