Chongqing Nano Powder Anti-Static Conveying System

In the field of advanced material processing, the safe and efficient handling of nano-scale powders presents a distinct set of challenges. A leading manufacturer in the specialty chemicals sector recently encountered recurring issues while conveying ultrafine, highly resistive powders through their existing pneumatic system. The static charge accumulation led to frequent clogging, uneven flow, and occasional micro-sparking, creating both operational downtime and safety concerns. To address these challenges, Headpowder developed the Chongqing Nano Powder Anti-Static Conveying System, a tailored solution designed to eliminate static-related risks while maintaining product integrity.

Customer Pain Points

The client's nano powder, with an average particle size below 100 nanometers, exhibited high electrical resistivity. During conventional pneumatic conveying, the intense friction between particles and the pipeline walls generated substantial electrostatic charges. This resulted in three primary issues: first, the powder adhered to pipe walls, causing blockages that required manual cleaning every few hours. Second, accumulated static discharge posed a potential ignition hazard, especially in oxygen-rich environments. Third, the erratic flow patterns led to inconsistent dosing downstream, affecting final product quality. The client needed a conveying method that could reliably transport the powder without static buildup, without altering the powder's chemical or physical properties.

Product Solution & Advantages

Headpowder's Chongqing Nano Powder Anti-Static Conveying System integrates multiple engineering approaches to neutralize and prevent electrostatic charges. The system employs a specially formulated conductive pipeline lining that dissipates charges as they form, combined with a controlled grounding network that ensures continuous charge drainage. Additionally, the conveying gas is conditioned with trace amounts of anti-static additives and maintained under low humidity to suppress charge generation. The system's closed-loop design uses an inert gas blanket (nitrogen) to eliminate oxygen, further mitigating any ignition risk. Through precise velocity control and a gentle conveying mode, the system reduces particle-to-wall friction, preserving the delicate nano-structure of the powder. As a result, the client achieved uninterrupted operation for over 500 hours without a single blockage, consistent mass flow rates within 0.5% variance, and zero static-related incidents. The solution not only solved the client's immediate pain points but also improved overall process efficiency by 30% while reducing maintenance costs.