For the plastic granulation industry, negative pressure conveying is adopted for pellets or powders in raw materials. It is economical, practical and low-cost. The system includes roots blowers, feeding devices, air break valves, silencers, conveying elbows, straight pipes, stainless steel/glass elbows, pipe clamps, pipe supports, vacuum suction units, central filters, backflush valves, buffer air tanks, suction valves, suction boxes, pigging valves, material cutoff valves, elbow air-blow valves, material tanks, level indicators, three-way diverting valves, discharge butterfly valves, pneumatic activated hoppers for powder, weighing and metering devices, PVC transparent steel wire reinforced hoses, etc.
二、Scheme Features
Small footprint, flexible layout and easy relocation. It reduces labor demand and dust emission, supports semi or full automation, and can be equipped with an optional centralized feeding monitoring system.