Dust-Free Granule Sizing Machine with Vacuum Conveying Anti-Cross Contamination for Pharma Tablet Press

Equipped with a complete vacuum transfer system, buffer storage silo, precision particle sorting module and integrated lifting mechanism, this unit achieves fully automatic one-step material handling. The vacuum system creates stable negative pressure to pneumatically transfer bulk solids from fluid bed processing equipment through sealed pipelines into the intermediate buffer silo for steady material accumulation. Once the sensor detects the standard material capacity, the automatic butterfly valve opens sequentially to feed materials evenly into the internal classification cavity. Inside the cavity, materials undergo precise size screening and separation. Standard qualified particles are automatically discharged into the designated collection hopper, completing the whole process of automatic vacuum feeding, buffer storing and accurate particle classification without manual intervention.

Adopting mature optimized industrial technology, this all-in-one vacuum conveying classifier is tailored to meet high-standard working conditions of pharmaceutical solid dosage production. It integrates conveying, temporary buffering and particle screening functions into one compact structure, effectively isolating dust leakage and preventing cross-batch material pollution while streamlining the whole production workflow. The flexible height adjustment lifting structure allows seamless docking with different types of process equipment on site. All contact surfaces are smooth, seamless and easy to clean, with no hygienic dead areas, fully meeting GMP hygiene requirements for pharmaceutical and sanitary-grade production environments.

This vacuum conveying and classifying machine is core supporting equipment for closed-loop material handling in pharmaceutical workshops. It can be directly connected with fluid bed dryers, fluid bed granulators and other related process machines to achieve fully enclosed automatic granule transportation between different processing stations. It effectively cuts down manual material handling, reduces dust hazards, ensures batch safety and greatly improves overall workshop productivity. In addition to pharmaceutical manufacturing, the equipment is also highly applicable for closed powder and granule conveying and sorting tasks in chemical, food and other fine processing industrial scenarios.