PVC Plastic Pulverizer Machine

PVC Plastic Pulverizer Machine

Optimized for PVC Resin and Regrind

Purpose-built disc or turbo mill geometry for PVC ensures minimal thermal degradation, preserving K-value and color. Controlled airflow and adjustable disc gap maintain stable melt-free grinding of virgin PVC, off-grade pellets, and post-industrial regrind.

Tight Particle Size Distribution

Integrated classifier and interchangeable screens deliver narrow PSD for 20–80 mesh PVC powder, with typical D50 at 250–450 μm. Improves extrusion surface quality, gel reduction, and dosing accuracy in compounding and masterbatch.

Wear-Resistant Metallurgy

Grinding discs, rings, and liners use high-wear alloy steel or carbide coatings. Optional bimetallic liners extend service life when processing filled PVC with CaCO3, TiO2, or stabilizer-rich formulations.

Energy-Efficient Servo/VFD Drive

High-efficiency motor with VFD vector control reduces specific energy consumption by 10–25% compared to conventional PVC mills. Intelligent airflow and optimized cyclone pressure drop further cut kWh/ton.

Low-Temperature Milling and Cooling

Air-cooling channels, airflow regulation, and optional chilled air or cryogenic assist limit temperature rise to prevent PVC fusion. Real-time chamber temperature and current monitoring safeguard product quality.

Fast Changeover and Clean Design

Front-opening chamber, quick-release screens, and smooth interior surfaces enable rapid cleaning and color change. Tool-free access reduces downtime and cross-contamination risk.

Integrated Dust Collection and Safety

Closed-loop cyclone plus pulse-jet dust collector minimizes fines escape and keeps the workshop clean. Safety interlocks, overcurrent/overtemp alarms, and negative-pressure design protect operators and equipment.

Customer Case

Application Areas

Building and Construction

• PVC powder for pipe, profile, siding, window frames, and CPVC compounding
• Cable insulation and sheath compounds requiring narrow PSD

Furniture and Wood Composites

• PVC/wood powder blending for WPC decking and profiles
• Decorative film and edge-band regrind for in-house recycling

Automotive and Transportation

• PVC interior trim compounds, underbody coatings, and sound-damping layers
• Regrind recovery for injection/extrusion grades to reduce material cost

Packaging and Consumer Goods

• PVC sheet and film powdering for calendering/extrusion
• Consistent mesh sizes for masterbatch and additive carriers

Electrical and Appliances

• Flame-retardant PVC compounds with controlled particle size for cable and appliance parts
• Antistatic/UV-stabilized PVC blends requiring stable PSD

Recycling and Circular Economy

• Closed-loop PVC recycling for production scrap and off-spec parts
• Inline pulverizing to feed powder directly to extruders, reducing pelletizing steps

Technical Specifications

Core Performance

• Capacity: 150–900 kg/h per unit (material hardness, screen mesh, disc type dependent)
• Final fineness: 20–120 mesh; typical D50 250–450 μm for rigid PVC
• Temperature control: airflow + optional chilled/cryogenic assist to prevent fusion and gel

Drive and Mechanics

• Main motor power: 30–110 kW with VFD vector control
• Grinding system: PVC-optimized disc or turbo mill, adjustable disc clearance
• Contact materials: wear-resistant alloy steel, optional carbide coating and bimetallic liners

Feeding and Collection

• Feeding: screw or vibratory feeder with current-based load control
• Separation: built-in classifier, quick-change screens for mesh tuning
• Collection: cyclone separator + pulse-jet dust collector; fines hopper; low-leak design

Controls and Safety

• PLC/HMI with recipe presets for rigid/soft PVC, CPVC, filled PVC
• Real-time monitoring: amps, temperature, differential pressure, throughput estimate
• Protections: overcurrent, overtemperature, air pressure loss, door interlocks, E‑stop
• Connectivity: OPC UA/Modbus TCP; batch and alarm export (CSV)

Utilities and Energy

• Power supply: 380–480 V, 50/60 Hz, 3-phase
• Installed power: 40–140 kVA (configuration dependent)
• Compressed air: 6–8 bar for pulse-jet filter cleaning
• Specific energy: 10–25% lower kWh/ton vs. traditional PVC pulverizers

Options and Accessories

• Cryogenic milling kit for heat-sensitive or soft PVC
• Magnet trap/metal detector before grinding chamber
• Sound enclosure to reduce noise below 80 dB(A)
• Inline sifter and closed-loop recirculation for ultra-narrow PSD control

User Recognition

Proven Market Performance

• Widely adopted by PVC pipe/profile producers, cable compounders, and recyclers for consistent powder quality and lower production cost.
• Plants report improved extrusion surface finish, reduced gel count, and higher recycled content without compromising mechanical properties.

Customer Feedback

• “Achieved stable 20–80 mesh PVC powder and 15% lower energy use; extrusion line surface defects dropped noticeably.”
• “Quick screen change and easy clean design cut our color-change downtime by 40%.”
• “Wear parts last longer on CaCO3-filled PVC—maintenance intervals extended by 30%.”

Representative Case Studies

• Building Materials: Converted rigid PVC regrind to D50 ≈ 320 μm powder, enabling direct feed to profile extrusion and reducing virgin resin usage by 12%.
• Cable Compounding: Narrow PSD improved dosing accuracy, stabilizing dielectric properties and cutting scrap rate by 18%.
• Recycling Line: Inline pulverizer integrated between shredder and twin-screw extruder; dust emissions reduced by 55% after cyclone/filter optimization.

Why It Leads the Market

Innovation and Competitive Edge

• PVC-specific disc geometry, smart airflow management, and VFD control deliver high throughput, tight PSD, and low temperature rise.
• Advanced wear-resistant metallurgy lowers total cost of ownership on filled PVC formulations.