SRL300-600 High-Speed Mixer

SRL300-600 High-Speed Mixer for Industrial PVC/PP/PE Compounding

Key Features of the SRL300-600 High-Speed Mixer

Heavy-Duty Construction with Production-Scale Throughput

• Large-capacity hot mixer (300 L) paired with efficient cooling mixer (600 L) enables continuous cycling and high hourly output.
• Rigid frame, vibration-damped base, and precision-balanced rotor ensure stable operation at high rpm under full load.
• Industrial reliability with 24/7 duty capability, suitable for PVC dry blend lines and masterbatch production.

Premium Materials and Hygienic Contact Surfaces

• Product-contact parts made from wear-resistant stainless steel to minimize contamination and extend service life.
• Mirror-polished mixing pot and blades reduce powder adhesion, enabling fast cleaning and quicker grade changeovers.
• Sealed shaft, double-lip mechanical seals, and high-quality bearings for extended uptime in abrasive filler systems (e.g., CaCO3, TiO2).

High-Shear Mixing and Process Control

• Variable frequency drive (VFD) for precise speed control, optimizing shear rate for PVC, PP, PE, ABS, and filled compounds.
• Integrated temperature monitoring and automatic discharge at setpoint for repeatable thermal profiles and bulk density control.
• Optional PLC/HMI with recipe management, alarm logs, and data recording for GMP-like traceability and audit readiness.

Efficient Hot–Cold Mixing Workflow

• Rapid homogenization in the hot mixer ensures uniform dispersion of stabilizers, lubricants, pigments, and modifiers.
• High-efficiency cooling mixer quickly drops blend temperature, locking in bulk density and preventing thermal degradation.
• Optimized airflow and jacket design shorten cooling cycles, boosting hourly throughput and line efficiency.

Application Areas

Building Materials and PVC Profiles

• PVC-U/PVC-P dry blends for profiles, pipes, conduits, fittings, and cable compounds.
• Accurate dispersion of heat stabilizers, impact modifiers (CPE, MBS), internal/external lubricants, fillers, and colorants.

Furniture, Panels, and Decorative Films

• Edge banding compounds, SPC/WPC base mixes, and decorative foil backings.
• Consistent color and gloss control for matte, high-gloss, and textured finishes.

Automotive and Electrical

• Masterbatch and color concentrates for interior trims, wire & cable insulation, and under-hood plastics.
• Flame-retardant PP/PE compounds, impact-modified formulations, and functional additive packages.

Cable, Packaging, and General Plastics

• PVC cable insulation and sheathing blends with stable gelation behavior.
• PP/PE compounding for rigid/film applications, including slip/antiblock systems and additive pre-mixes.

Technical Specifications

Performance and Capacity

• Configuration: Hot mixer 300 L + Cooling mixer 600 L (SRL300-600).
• Effective batch load: Typically 60–180 kg per hot-mix batch depending on bulk density and recipe.
• Typical cycle time: 6–12 minutes hot mixing + 5–10 minutes cooling, enabling high hourly throughput.
• Target materials: PVC dry blend, PP/PE compounds, color masterbatch, additive pre-blends.

Drive and Mixing Tools

• Drive system: High-efficiency AC motor with VFD for variable speed control.
• Rotor/blade: Stainless steel high-shear blades with optimized pitch and tip speed for rapid deagglomeration.
• Sealing: Mechanical seals and labyrinth dust-proof design for reduced leakage and contamination.

Controls and Safety

• Controls: Digital temperature display or PLC/HMI with recipe storage, auto-discharge at set temperature, alarm history.
• Safety: Lid interlock, emergency stop, over-temperature and overcurrent protection, dust-tight enclosure.
• Interfaces: Dust extraction port, optional vacuum dehumidification, and data logging for QA/QC.

Energy and Utilities

• Installed power: Typically 45–90 kW total, depending on motor selection and options.
• Power supply: 380–415V/50–60Hz three-phase (custom voltages available).
• Noise level: ≤ 80–82 dB(A) under typical load with vibration damping.
• Air/dust: Compatible with centralized dust collection for cleaner plant operation.

Customer Case

Customer Recognition and Market Validation

Proven Plant Results

• PVC profile producers report up to 20–30% shorter mixing cycles with improved bulk density stability and reduced fisheyes.
• Cable compounders achieve tighter thermal control, resulting in more consistent gelation and extrusion performance.
• Furniture panel manufacturers note improved color uniformity and gloss stability, cutting rework and scrap rates.

High Satisfaction and Total Cost Advantage

• Operators praise easy cleaning and fast grade changeovers due to polished contact surfaces and smart discharge design.
• Maintenance teams value robust bearings, sealed shafts, and accessible layout that reduce downtime and spare parts cost.
• Management recognizes lower kWh per ton and higher hourly throughput, improving overall equipment effectiveness (OEE).

Why Choose the SRL300-600 for Your Compounding Line?

Innovation, Efficiency, and Scalability

• Optimized hot–cold mixer pairing ensures consistent dispersion, thermal homogeneity, and repeatable bulk density.
• Scalable parameters align with upstream dosing and downstream extrusion, calendering, or pelletizing lines.
• Competitive performance-to-cost ratio for medium-to-large manufacturers seeking reliable, high-quality output.