Products Description
Eliminate dust exposure and material loss when dumping bags of powder or granules.
Guanjiang’s Dust-Free Bag Dumping Station (Unloading Station) uses an integrated negative pressure fan and high-efficiency filter to capture particles at the source — as small as 0.2-0.5μm. Constructed entirely of SS304/316L stainless steel, it meets GMP standards for food, pharmaceutical, and chemical facilities. Protect your operators, keep your plant clean, and reclaim valuable product.
Key Advantages of Our Dust-Free Unloading Station
Integrated high-efficiency dust collector and fan capture particles at 0.2-0.5μm with 800-1500 m³/h airflow. Prevents airborne dust, protects operators, and reduces material loss.
All contact parts are SS304 or SS316L stainless steel with polished surfaces. Rounded corners and smooth welds eliminate crevices — meets food and pharmaceutical GMP standards.
Tool-free filter access and quick-release clamps allow fast cleaning or cartridge replacement. Minimizes downtime between batches or product changeovers.
Connects directly to vacuum conveyors, rotary valves, or screw feeders below the hopper. Creates a complete enclosed handling system from bag to process.
Technical Specifications – Dust-Free Bag Dumping Station
| Parameter | Specification / Range |
|---|---|
| Airflow Capacity | 800 ~ 1500 m³/h (customizable for higher volumes) |
| Filtration Accuracy | 0.2 ~ 0.5 μm (captures fine powders, including APIs) |
| Material of Construction | Stainless Steel SUS304 / 316L (contact parts polished) |
| Bag Size Supported | 5kg, 10kg, 15kg, 20kg, 25kg bags (customizable) |
| Hopper Volume | 50L, 100L, 150L, 200L (standard; custom sizes available) |
| Filter Type | Cartridge filter / Pleated polyester (anti-static or PTFE-coated optional) |
| Discharge Connection | Flanged outlet (DN150~DN250) for connecting to conveyor or valve |
| Optional Features | Vibration motor on hopper, glove ports for containment, N₂ purge, ATEX compliance |
Typical Applications & Integration:
Industries: Food (sugar, flour, spices), Pharmaceutical (APIs, excipients), Chemical (pigments, plastic additives), Battery materials (lithium powders).
Integration: Bag dumping station → (vacuum conveyor / screw feeder) → ribbon mixer / IBC bin / storage silo / packaging machine.
Frequently Asked Questions About Dust-Free Unloading
Q: How does the dust-free bag dumping station work?
A: An operator places a bag on the perforated grating and slits it. The integrated fan creates negative pressure, drawing dust-laden air through a high-efficiency filter. Cleaned air is recirculated or exhausted, while captured powder drops back into the hopper — resulting in zero visible dust escape and product recovery.
Q: Can I use it with sticky or cohesive powders that might clog the filter?
A: Yes. We offer pulse-jet filter cleaning and anti-static or PTFE-coated filters for sticky or fine powders. A vibration motor on the hopper also prevents bridging. For highly cohesive materials, a manual scraping grid can be added.
Q: Is the station suitable for potent compounds (OEB 3-5) or explosive dust?
A: For potent compounds, we add glove ports and a split butterfly valve for contained unloading (OEB 4-5 capable). For explosive dust, we offer ATEX-certified fans, anti-static filters, and N₂ purge systems. Please specify your OEB level or ATEX zone when inquiring.
Q: How often do I need to replace or clean the filters?
A: With typical powders (e.g., flour, sugar, chemicals), filters last 6-12 months. The tool-free access door allows quick inspection and cleaning. For frequent product changes, we recommend specifying a quick-release filter cartridge to reduce downtime to under 10 minutes.
Ready to eliminate dust exposure and reclaim product value?
Request a Quote → Download Dumping Station Datasheet (PDF)* Include your bag size (kg), material type, required throughput, and any ATEX or containment needs for a fast, accurate quotation.


