Antioxidant powder is widely used in polymer, rubber, plastic, and chemical industries to prevent oxidative degradation and extend product service life. The handling of such fine, light, and easily aerated powder requires a specialized pneumatic conveying system that ensures stable flow, minimal product loss, and complete operational safety. Our antioxidant powder pneumatic conveying solution is designed around the exact physical properties of the material, including particle size distribution, bulk density, moisture content, and flowability, to deliver reliable and repeatable transfer from storage to process equipment.

To achieve optimum performance, the system must be tailored to the unique properties of antioxidant powder. Many grades are hydrophobic, low in bulk density, or prone to bridging and agglomeration when exposed to humidity. Our engineers evaluate all relevant parameters before selecting the conveying concept, pipe diameter, conveying velocity, and air volume. The closed design prevents moisture pickup and contamination, preserving antioxidant activity until the powder is discharged into a blender, mixer, extruder, or storage hopper.

Key components include an inlet feeding device, rotary airlock valve, roots blower or screw compressor, conveying pipe, receiver cyclone, dust collector, level sensor, pressure transmitter, and programmable logic controller. For combustible antioxidant powders, nitrogen inerting, explosion venting, flame arresters, and earthing can be integrated. Material contact parts are available in stainless steel or treated carbon steel. A hygienic quick-disconnect design can be supplied for frequent product changeovers. The system supports both manual and fully automatic operation with a touch-screen HMI and remote monitoring.

Different conveying modes are available. Dilute phase conveying uses high air velocity and low pressure for simple, economical transfer over short or medium distances. Dense phase conveying uses high pressure and low velocity to push powder gently through the pipeline, reducing degradation and wear. Negative pressure conveying suits multiple-point pickup, while positive pressure conveying is preferred for long distances and multiple discharge points. The control system automatically adjusts the conveying cycle according to batch weight and interlock logic, preventing line blockage. The conveying line can also be integrated with upstream and downstream equipment to achieve complete process automation.

The main advantages include fully enclosed conveying, dust-free operation, low energy consumption, and stable material flow. Because the powder never contacts ambient air or workers, the risk of dust explosion, oxidation, and cross-contamination is greatly reduced. The system provides accurate batch feeding and metering, which is essential for antioxidant additive ratios. Automatic cleaning and purging reduce residue build-up and simplify maintenance. Compared with manual transfer, pneumatic conveying saves floor space, lowers labor costs, and can be fully automated for continuous operation.

This solution is used in plastic pelletizing, rubber compounding, masterbatch production, wire and cable insulation, packaging film, and additive premix plants. We supply single conveying lines or multi-line distribution networks, pilot systems or large production units. Every project includes process design, 3D layout, fabrication, installation supervision, commissioning, training, and spare parts service. We also offer on-site material testing and performance validation. Our team helps customers choose the optimal solution based on capacity, conveying distance, material characteristics, and site constraints. With decades of powder handling experience, we provide a robust, economical, and safe solution for reliable antioxidant powder transfer.