PVC granule pneumatic conveying is a proven method for moving polyvinyl chloride pellets through a sealed pipeline using air flow. It replaces manual handling and mechanical conveyors with a clean, flexible, and space-saving system. This solution delivers consistent material supply to extruders, injection molding machines, and automatic packaging lines while protecting product quality.

Our custom PVC pellet conveying systems are designed after a detailed review of material characteristics, conveying distance, elevation change, capacity, and existing plant layout. This ensures reliable operation, minimized product degradation, and zero dust leakage. The final configuration balances initial investment, energy cost, and long-term performance.

Key components include a positive displacement blower, rotary airlock valve, cyclone separator, bag filter, pipeline, bends, diverting valves, and PLC control panel. For abrasive or fragile materials, wear-resistant bends and low-speed conveying options are added to extend equipment life and reduce downtime.

The system supports both dilute phase and dense phase conveying. Dilute phase uses high-velocity air at low material concentration, making it simple and cost-effective for short distances and lower capacities. Dense phase uses low velocity and high pressure, which is gentler on PVC granules and consumes less air. The correct conveying mode is selected according to your exact product and process requirements.

Conveying velocity is a critical design parameter. Too high a velocity can cause melting, degradation, streamers, or fines because pellets impact against pipe walls. Too low a velocity can allow material to settle and block the line. Our engineers calculate the minimum safe velocity for each application and include adjustable frequency drives so operators can fine-tune the system during production.

The air supply system is also customized. We select blower capacity based on pipeline diameter, total conveying length, and required throughput. Pressure conveying pushes material from one or more feeding points to remote storage hoppers. Vacuum conveying safely draws material from bulk bags, drums, or silos to process machines without dust escape. Dehumidified and cooled air can be provided for moisture-sensitive PVC grades.

Dust control is essential for PVC granule handling. Although pellets are larger than powder, fine dust is often generated during production, drying, and mechanical conveying. High-efficiency dust collectors at discharge points and vent lines keep the workshop clean, reduce the risk of dust explosions, and satisfy environmental health and safety requirements.

The rotary airlock valve provides a continuous seal and stable pressure while feeding material into the conveying line. Standard and heavy-duty versions are available with replaceable rotor tips and anti-jamming designs. For pellets that tend to bridge or flow poorly, vibration assistance and specially shaped hopper outlets are provided.

Pipeline layout should be as smooth as possible. Long horizontal runs, vertical lifts, and bends affect pressure drop and material velocity. We use long-radius bends to reduce impact and wear, and the pipe diameter is selected to maintain efficient air velocity. All joints are sealed to prevent leakage. PLC-based automation monitors material level, motor current, air pressure, and filter status, with alarms for abnormal conditions.

This PVC pellet conveying equipment is widely used in compounding plants, wire and cable factories, pipe extrusion workshops, and profile manufacturing lines. As an experienced PVC granules pneumatic conveying manufacturer, we provide capacity calculation, 3D layout drawing, installation guidance, and commissioning. After-sales support includes spare parts supply, remote troubleshooting, and maintenance planning.

If you are planning a new PVC granule production line or upgrading an existing conveying process, our team is ready to provide a customized solution. Contact us today to discuss your capacity requirements and receive a detailed proposal.