Botek’s industrial Vacuum Conveyors (also called vacuum powder conveyors or pneumatic conveyors) provide a closed, automated solution for moving dry powders, gránulos, and small pellets. They are the clean, safe, and reliable choice for food, farmacéutico, chemical, and plastic processing plants.
What is a Vacuum Conveyor?
A vacuum conveyor is a pneumatic system that uses suction (vacuum) to gently move dry materials from one place to another through a sealed hose or pipe. It works like a powerful, industrial vacuum cleaner designed for production environments. It is perfect for loading mixers, grinders, packaging machines, and silos without dust, contamination, or product loss.
How Does a Vacuum Conveyor Work? (Simple 3-Step Process)
The core principle is simple and reliable:
- Suction (Vacuum Creation):
A vacuum pump (electric or pneumatic) generates suction.
This suction pulls material from the source container (drum, big bag, etc.) into the conveying hose. - Transmitir & Separation:
The material travels through the hose into a receiver vessel on the machine.
Inside the vessel, a filter separates the powder from the air. The clean air passes through the filter and exits, while the material collects at the bottom. - Descargar:
The vacuum stops.
A discharge valve (often a flap or dome valve) at the bottom of the vessel opens.
The material falls by gravity into the target machine (like a mixer or hopper).
The valve closes, and the cycle repeats.
1.Pneumatic Vacuum Conveyor
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| Modelo | BP-1 | BP-2 | BP-3 | BP-4 |
| Capacity(KG) | 50-300 | 100-400 | 200-600 | 600-1200 |
| Air flow (L/min) | 180 | 360 | 720 | 1440 |
| Air supply pressure(Mpa) | 0.4-0.6 | 0.4-0.6 | 0.4-0.6 | 0.4-0.6 |
| Dimensiones(milímetros) | φ140×560 | φ213×720 | φ290×850 | φ420×1150 |
2. Electric Vacuum Conveyor
Our Vertical Form Fill Seal (VFFS) Machine can produce a wide variety of industry-standard pouch types from a single roll of flat film, offering maximum flexibility for your branding and functional needs.
Best For: Rice, beans, sugar, coffee beans, plastic pellets.
Technology: Simple, robust volumetric cup system. The cup fills to a fixed volume and then releases the product.
Benefit: Cost-effective, low maintenance, and highly reliable for products with consistent density.
Best For: Seeds, small hardware, small candies, tea leaves.
Technology: A linear arrangement of weighing buckets that quickly transfer product to achieve the target weight.
Benefit: Faster than traditional multihead weighers for very small products, with excellent accuracy.
| Modelo | BEV-2 | BEV-3 | BEV-4 | BEV-5 | BEV-6 | BEV-7 | BEV-10-6 | BEV-20-5 |
| Capacity(KG) | 50-300 | 300-600 | 600-1000 | 1000-1500 | 1500-2500 | 2500-3500 | 5000-8000 | 7000-10000 |
| Vacuum pump power | 2.2kilovatios | 3kilovatios | 4.0kilovatios | 5.5kilovatios | 5.5kilovatios | 7.5kilovatios | 7.5kilovatios | 11kilovatios |
| Air flow (L/min) | 8L/min | 10L/min | 12L/min | 12L/min | 12L/min | 17L/min | 34L/min | 68L/min |
| Air supply pressure(Mpa) | 0.5-0.6mpa | 0.5-0.6mpa | 0.5-0.6mpa | 0.5-0.6mpa | 0.5-0.6mpa | 0.5-0.6mpa | 0.5-0.6mpa | 0.5-0.6mpa |
| Dimensiones(milímetros) | ø290×996 | ø290×996 | ø420×1328 | ø420×1328 | ø420*1328 | ø420*1420 | ø600×1420 | ø800×1420 |
Configuration and application of the vacuum conveyor
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Beyond the conveyor, do you need other equipment?
FAQ
key difference is cleanliness, flexibility, and containment.
Transportador de vacío: Completely enclosed, preventing dust and contamination. Ideal for food, pharma, and toxic materials. Layout is flexible as lines can bend around obstacles. Easy to clean and suitable for multiple source/destination points.
Transportador de tornillo / Bucket Elevator: Mechanical systems. Risk of dust emission at transfer points. More difficult to clean. Layout is fixed and linear. Often used for longer-distance, high-volume transport of less sensitive materials.
Our systems can handle a vast range of dry solids, including:
Fine Powders: Flour, silica, titanium dioxide, API (< 50 microns)
Granules & Pellets: Plastic resins, grains, coffee beans
Flakes & Fibers: Flaked materials, short fibers
Blends: Pre-mixed materials
Crucially, the system must be tailored to the material. Factors like bulk density, particle size, flowability, and abrasiveness determine the optimal pump, filter, and line size. We offer free material testing to guarantee performance.
The choice depends on duty cycle, distance, and material.
Electric Vacuum Pump (or Blower) System: Best for continuous or high-duty cycle operation. It’s more energy-efficient for frequent conveying, can handle longer distances (>20m) and higher capacities. It requires an electrical connection.
Venturi (Compressed Air-Driven) System: Simpler, with no moving parts. Powered by plant compressed air. Ideal for intermittent duty, shorter distances, and lower capacities. It can be cheaper upfront but has higher operating (air consumption) costs for frequent use. Often used for portable applications or in explosive atmospheres (ATEX) as it’s intrinsically safe.
Our standard systems are engineered for robust industrial performance:
Conveying Distance: Typically up to 30-50 meters horizontally and 15-25 meters vertically in a single stage. For longer distances, we design multi-stage or booster systems.
Conveying Rate: From a few kg/hr for laboratory use to over 10 tons/hour for production lines. The rate depends on material density, distance, and pipe diameter.
We make integration straightforward. Our systems are pre-assembled and tested before shipment. Installation typically involves:
Positioning the unit.
Connecting the vacuum source (power or air).
Installing the suction lance into the source container.
Connecting the discharge outlet to your process machine (mixer, hopper).
Connecting the control signal (often a simple 24VDC start/stop).
We provide detailed manuals, 3D layouts, and on-site or remote commissioning support.
Maintenance is minimal but crucial:
Daily/Weekly: Check filter condition visually. Empty source and destination filters if present.
Monthly: Inspect filter elements for damage or blinding. Check seals and gaskets.
As Needed: Replace filter elements (typically every 6-12 months depending on material). Lubricate discharge valves as per manual.
The HMI can be programmed to alert operators for scheduled filter cleaning or maintenance.
