Supreme Quality Hydraulic Vertical Sealed Nitrogen Filled Single Shaft Shredder Machine for Crushing Shredding Recycling Waste Plastic Rubber Scrap Fiberglass

Product Description

DL-SSS-N Series Nitrogen-Filled Single Shaft Shredder for Explosive & Hazardous Materials | Safe Inert Atmosphere

Engineered for the most demanding and dangerous size reduction applications, the DL-SSS-N Series Vertical Nitrogen-Filled Single Shaft Shredder from Zhangjiagang Deling Machinery Co., Ltd. represents the pinnacle of safety-critical shredding technology. This fully-enclosed, nitrogen-purged shredding system is purpose-built to process highly reactive, flammable, and explosive materials such as lithium batteries, waste batteries, electronic components, activated carbon, metal powders, and other hazardous feedstocks. By maintaining a controlled inert atmosphere throughout the entire shredding chamber, the DL-SSS-N Series eliminates the risk of combustion and explosion, enabling safe, continuous, and efficient size reduction of materials that conventional shredders simply cannot handle. With four robust models offering processing capacities from 300 kg/h to 5,000 kg/h, this series delivers industrial-grade performance with uncompromising safety standards.

Complete Inert Atmosphere Shredding Solution for Hazardous Material Recycling & Safe Destruction

The DL-SSS-N Series is more than just a shredder — it is a comprehensive safety-engineered size reduction solution designed for industries where material reactivity poses significant operational risks. Whether you are operating a lithium battery recycling facility, a hazardous waste treatment center, a chemical processing plant, or a pharmaceutical manufacturing line, this nitrogen-inerted shredding system provides the critical first-stage size reduction required for downstream processing. The system's fully-sealed construction, combined with precision nitrogen injection control, creates an oxygen-depleted environment that prevents thermal runaway, spontaneous combustion, and dust explosions. From standalone deployment to full integration within automated recycling lines, the DL-SSS-N Series delivers the safety, reliability, and throughput that hazardous material processing demands.

Specification

Working Principle

How the DL-SSS-N Series Nitrogen-Filled Shredder Operates

The DL-SSS-N Series Vertical Nitrogen-Filled Single Shaft Shredder employs a sophisticated multi-stage process to safely and efficiently reduce hazardous materials:

Step 1: Controlled Feeding

Material is introduced into the shredder through a sealed feeding hopper equipped with either a double-gate airlock valve or a screw conveyor feeding system. This design ensures that the internal inert atmosphere is never compromised during continuous operation. An optional nitrogen pre-purge chamber can be integrated to flush oxygen from the material before it enters the main shredding chamber.

Step 2: Nitrogen Purge & Inerting

Before shredding commences, the system initiates an automatic nitrogen purge cycle. High-purity nitrogen (typically 99.9% or above) is injected into the sealed shredding chamber through multiple injection ports strategically positioned around the cutting zone. Oxygen sensors continuously monitor the internal atmosphere, and the PLC control system maintains oxygen concentration below the critical threshold (typically below 3-5%, adjustable according to material-specific requirements). This oxygen-deficient environment ensures that even if sparks are generated during cutting, combustion cannot be sustained.

Step 3: Single Shaft Rotary Cutting
The core shredding mechanism features a heavy-duty rotor equipped with precision-machined D2 or DC53 tool steel blades. As the rotor turns at speeds ranging from 45 to 90 rpm (model-dependent), the rotating knives pass between stationary counter knives mounted in the chamber wall. This scissor-like cutting action generates high shear forces that efficiently tear, cut, and fragment the material into uniform particles. The vertical design allows gravity to assist material flow onto the cutting zone, ensuring consistent contact between material and blades.

Step 4: Controlled Discharge & Screening
Shredded material passes through a replaceable screen mesh positioned beneath the rotor. The screen aperture size (ranging from 8 mm to 50 mm, customizable) determines the final particle size. Oversized material is automatically recirculated within the cutting chamber for further processing until it reaches the target size. The discharge port is equipped with a sealed collection system that maintains the inert atmosphere throughout the entire process.

Step 5: Continuous Monitoring & Safety Interlocks
Throughout operation, the PLC system continuously monitors critical parameters including oxygen concentration, chamber temperature, nitrogen flow rate, rotor speed, and motor load. If any parameter exceeds preset safety limits, the system automatically triggers safety protocols — including emergency shutdown, additional nitrogen flooding, or alarm activation. Temperature sensors positioned at key friction points provide early warning of potential thermal events, while optional infrared thermal imaging cameras offer real-time visual monitoring of the cutting zone.

Technical Speifications & Model Comparison Table Main Technical Parameters
Parameter	DL-SSS600N	DL-SSS800N	DL-SSS1000N	DL-SSS1200N
Shredding Capacity	300-800 KGH	800-1500 KGH	1500-3000 KGH	2500-5000 KGH
Motor Power	37-45 kW	55-75 kW	90-110 kW	110-160 kW
Rotor Diameter	400-500mm	500-600mm	600-700mm	700-800mm
Rotor Speed	70-90 rpm	60-80 rpm	50-70 rpm	45-60 rpm
Rotary Blades	28 Pcs	44 Pcs	56 Pcs	84 Pcs
Stationary Blades	1 Pc	2 Pcs	2 Pcs	4 Pcs
Screen Aperture	8-50mm	8-50mm	8-50mm	8-50mm
Crushing Chamber	600*600mm	800*800mm	1000*1000mm	1200*1200mm
Machine Weight	4 t	7 t	9 t	12 t

Detail Specifications
Specification	Deatils
Blade Material	D2 / DC53 tool steel, heat-treated to HRC 58–62
Bearing Brand	NSK heavy-duty spherical roller bearings
Control System	Siemens PLC
Drive Method	Belt drive (600N/800N) / Gearbox direct drive
Nitrogen Purity Requirement	≥99.9% recommended
Oxygen Threshold Setting	Adjustable 1–10%, factory default 3%
Nitrogen Consumption	5–15 Nm³/h (continuous operation)
Noise Level	≤85 dB(A) at 1m distance
Protection Rating	IP55 (control panel IP65)
Explosion Protection	Optional ATEX-compliant configuration
Feeding Method	Double-gate airlock valve or screw conveyor
Nitrogen Injection Points	4–8 points distributed around cutting chamber
Temperature Sensors	3–6 PT100 sensors at critical friction points
Oxgen Sensors	2–4 electrochemical sensors with redundancy

Contact Information & Ordering

Zhangjiagang Deling Machinery Co., Ltd.

For detailed quotation, material testing, or technical consultation, please contact our sales team with the following information:

· Material type and composition 
· Required processing capacity (kg/h) 
· Target particle size 
· Operating schedule (hours/day) 
· Any special safety requirements

Superior Engineering & Key Advantages:

Fully-Sealed Nitrogen-Inerted Chamber

Live-Cell / Charged Battery Shredding

Precision Uniform Shredding Control

The shredding chamber features a completely welded, gas-tight construction with precision-machined sealing surfaces at all access points. Specially engineered shaft seals prevent gas leakage while accommodating rotor movement. The entire system undergoes rigorous pressure testing and helium leak detection to ensure integrity under continuous nitrogen purging conditions. This hermetic design maintains a stable inert atmosphere even during extended continuous operation.

Unlike conventional shredders that require complete discharge before processing, the DL-SSS-N Series is engineered to safely shred charged lithium batteries and live cells. The nitrogen-inerted environment prevents the thermal runaway that typically occurs when charged batteries are mechanically damaged. Residual electrolyte, which is highly flammable when exposed to oxygen, is safely contained within the inert atmosphere, preventing fire or explosion during the shredding process.

The optimized rotor geometry, combined with precisely adjustable blade clearances, ensures consistent particle size distribution across the entire throughput range. With hydraulic screen cradle system. while the adjustable rotor speed enables fine-tuning of the cutting characteristics for different materials. This level of control translates to downstream process efficiency — from improved black mass recovery in battery recycling to more uniform chemical dissolution in pharmaceutical waste treatment.

High-Throughput Low-Energy Design

Fully-Enclosed Environmental Protection

Smart Monitoring & Remote Operation

Each model in the DL-SSS-N Series features an optimized power-to-throughput ratio that minimizes operational costs while maximizing productivity. The direct-coupled gearbox drive system (available on larger models) delivers up to 95% transmission efficiency, compared to 85-90% for conventional belt drives. The heavy flywheel effect of the oversized rotor maintains consistent cutting momentum through dense material sections, reducing peak power draw and enabling smooth, efficient operation at sustained high loads.

The DL-SSS-N Series is designed as a complete closed-loop processing system. Beyond the shredding chamber itself, the machine integrates sealed dust collection ports and optional activated carbon filtration systems. Hazardous dusts, volatile organic compounds (VOCs), and electrolyte vapors released during shredding are contained and channeled to downstream treatment equipment — never released into the workplace environment. This design meets the most stringent occupational health and environmental protection standards

The DL-SSS-N Series with a comprehensive PLC control system. The system provides real-time visualization of all critical parameters, historical data logging, and alarm management. Optional Industry 4.0 capabilities include remote monitoring via cloud-based platforms, predictive maintenance alerts based on vibration analysis, and OPC-UA connectivity for integration with plant-wide SCADA systems. Operators can monitor and control the shredder from a safe distance, minimizing personnel exposure to hazardous environments.

Application Fields

Plastic & Composite Materials:

· FRP (fiber-reinforced plastic) waste
· Flame-retardant plastic compounds
· Carbon fiber reinforced polymers
· Metalized films and foils
· Composite packaging with aluminum layers

New Energy Battery Recycling:

· Lithium-ion battery modules and cells
· Nickel-metal hydride (NiMH) batteries
· Lead-acid battery components
· Battery production scrap and off-spec cells
· Electric vehicle (EV) battery packs

Chemical & Fine Chemical Processing:

· Chemical intermediates requiring inert handling
· Oxidizing agents and peroxides
· Sulfur and phosphorus compounds
· Catalyst residues and spent catalysts
· Chemical production waste

Electronic Waste & Fine Materials:

· Printed circuit boards with components
· Capacitors and supercapacitors
· Semiconductor manufacturing waste
· Activated carbon from gas purification systems
· Metal powders (aluminum, titanium etc.)
· Rare earth magnetic materials

Hazardous Waste Treatment:

· Industrial hazardous solid waste (HSW)
· Medical waste requiring destruction
· Pesticide and pharmaceutical waste
· Explosive precursor materials
· Flammable solid waste streams
· Contaminated packaging and containers

MiIitary & Special Industry:

· Decommissioned ordnance components (inert)
· Pyrotechnic material destruction
· Energetic material processing
· Special composite material shredding
· Defense industry confidential material destruction

Quality Assurance

Manufacturing Standards

Component Quality

· ISO 9001:2015 certified manufacturing facility
· Welding procedures qualified per ASME Section IX / EN ISO 9606
· All pressure-retaining components tested at 1.5× working pressure
· Helium leak testing on all sealed chamber assemblies
· Dynamic balancing of rotors to G2.5 grade per ISO 1940
· Full-load factory testing before shipment

· Blades: 100% hardness tested, batch traceability maintained
· Bearings: Genuine NSK with certificate of authenticity
· Electrical components: Siemens, or equivalent premium brands
· Seals: PTFE/Kalrez chemical-resistant materials for aggressive environments
· PLC: Siemens S7-1200/1500 series or Allen-Bradley equivalent

After Sales Service

Pre-Sales Support

During-Sales Service

After-Sales Support

· Free material testing and shredding trials at our facility

· Detailed process flow recommendations based on your specific materials

· Factory visit and live demonstration arrangement

· Custom configuration consultation with engineering team

· Regular production progress updates with photos and videos
· Pre-shipment test report and quality documentation package

· Export-grade packaging with moisture protection and fumigation certification

· Installation drawings and operation manuals delivered in advance

· 12-month comprehensive warranty (extendable to 24 months)

· On-site installation and commissioning service available

· Lifetime technical support via phone, email, and video conference

· Spare parts available ex-stock for common wear items

Company Profile

ZhangJiaGang DELING Machinery Co., Ltd.

DELING Machinery dedicated to efficient recycling solutions globally.

Situated at the Yangtze River Economic Belt, SuZhou ZhangJiaGang, we excel in plastic recycling equipment, integrating R&D, production, consulting, sales, service, and trade.
With nearly 20 years of expertise, we've crafted a reliable system for producing sustainable plastic recycling machinery.
Adhering to 'quality first, customer first,' we deliver high-quality products and services.
Our products reach numerous countries, earning worldwide praise and trust.
We welcome visits, guidance, and collaboration to promote green development in the plastic recycling sector.

Why Choose Us?

Other Products

OEM/ODM capabilities
Competitive pricing & bulk discounts
Fast shipping & customs clearance support
Turnkey project solutions

Plastic Washing Line

Plastic Pelletizing Line

Plastic Extrusion Line

Other Recycling Machines

Certifications

Packaging & Shipping

Coopertaive Brand

FAQ

Q: Can the DL-SSS-N Series shred fully charged lithium batteries?
A: Yes. The nitrogen-inerted environment prevents the thermal runaway that typically occurs when charged batteries are mechanically damaged. However, we recommend pre-discharging for optimal process efficiency and to maximize black mass recovery rates. For completely undeployable charged cells, our system provides the safest available mechanical processing option.

Q: What nitrogen purity is required?
A: We recommend nitrogen purity of 99.9% or higher. Lower purity levels may be acceptable for less reactive materials, but the oxygen content should be verified through testing. Our system can accommodate nitrogen from cylinder banks, liquid nitrogen vaporizers, or on-site nitrogen generators (PSA or membrane type).

Q: How often do blades need replacement?
A: Blade life depends on material abrasiveness and operating hours. For lithium battery applications, D2 blades typically last 800–1,200 hours before requiring replacement or re-sharpening. DC53 blades offer extended life of 1,200–1,800 hours. Blades are designed for easy in-place rotation to use all four cutting edges before replacement.

Q: Is the system compatible with existing recycling lines?
A: Yes. The DL-SSS-N Series is designed for flexible integration with upstream and downstream equipment. We provide detailed interface drawings and can customize the discharge connection to match your existing conveyor, pneumatic transport, or collection systems.

Q: What is the typical installation timeline?
A: Once the machine arrives at your facility, mechanical installation typically takes 3–5 working days with our technical guidance. Electrical connection and nitrogen system integration require an additional 2–3 working days. Full commissioning with test materials takes 1–2 working days. Total timeline: approximately 1–2 weeks from arrival to production.