What is A pneumatic conveyor?
In industrial applications it is increasingly necessary to transport granular or powder materials in fluid suspension through numerous stages of the production process. In this regard,our supplyer RGS has been developing innovative pneumatic transport solutions for all industrial realities.
Pneumatic conveyors transfer solid powdered or granular substances into pipes, usually circular, by means of a stream of air of adequate speed.
The fundamental distinction between the various types of pneumatic transport derives from the way in which the motion of the material is realized, through a current of air that can be:
IN VACUUM (aspiration)
IN PRESSION (thrust)
How pneumatic conveyors works?
Pneumatic conveyor is a system widely used in industry to transfer materials at different points through closed pipelines. Material transfer is the combination of a difference in depression or pressure and the flow of air or gas within the pipes.
Depending on the needs, a different gas can be used, such as nitrogen, which being inert lends itself to the transport of potentially explosive materials, or for products of easy oxidation.
The purpose of a pneumatic conveying system is to transfer materials from one or more points to a final destination or to a further production process; among these we can find the processes of mixing, granulation, concentration, processing and packaging.
Small Foot Print: Very small dimensions, extreme flexibility of positioning and management, no external pollution, speed in the internal sanitization of the components.
Dust Free: The basic idea is to maintain high standards of cleanliness and hygiene in all production departments. In this regard, the use of a closed-circuit pneumatic transport system using vacuum is the best solution for the elimination of annoying dust emission points.
All our systems can also be ATEX certified.
Food Grade: RGS pneumatic transfer systems are used in the food industry where high quality standards must be met. Thanks to our long experience in this field we are able to produce a wide range of conveyors and systems, both standard and customized, all in accordance with the regulations regarding materials and articles intended to come into contact with food products: 1935/2004, as well as the USA FDA regulations.
Think safe, Work safe, Work easy: Our conveyors are designed with features to make them easy to use, install and maintain. You can easily access the filters for inspection or change. The ease of disassembly allows you to remove filters without the use of tools, reducing the time needed to perform the reclamation for material change and ordinary maintenance.
How pneumatic conveyors works IN A VACUUM AND IN PRESSURE?
VACUUM DILUTE PHASE PNUEMATIC CONVEYORS
Normally fans (much air and little depression or pressure) or side channel impellers (good depression or pressure and good amount of air) are used. In some applications also the lobe pumps (excellent depression or pressure and air).
These applications are ideal for medium-range and distance pneumatic transfers, maintaining an
excellent price performance ratio. With these systems one or more discharge points can be served
starting from a single sampling point and using a single pump.
In this system the material floats in the air at a speed of about 30/40 m/s.
HIGH VACUUM - SEMI-DENSE PNEUMATIC CONVEYORS
For this particular type of pneumatic transfer, where the product must not be de-mixed or even
laminated on arrival, normally used by pharmaceutical and food companies to serve packaging
machines, vacuum pumps or hooks are used (little air and a lot of depression or pressure).
In this system the material travels at a speed of about 20 m/s.
VACUUM DENSE PHASE PNEUMATIC CONVEYORS
Dense phase transport is ideal for transporting fragile products, abrasives and mixtures. It is then used for long distances and/or large volumes.
In this system the material travels at a speed of about 2/5 m/s.
Dense phase pneumatic conveying systems - DPC
Dense phase pneumatic conveying systems are suitable for conveying materials at very long
distances by using high-pressure compressed air (> 1 Bar).
The tank is therefore designed to withstand high pressures (PED or ASME certified) and can have a variable volume depending on the design flow
The Pressure Vessel is the heart of dense conveying systems.
The conveyor can be made of painted carbon steel, stainless steel AISI 304 or AISI 316. The interior and exterior finishing can be customized
according to the needs of customers. All tanks can also be equipped with suitable components for installation in ATEX zones.
The use of high pressure and low air flow allows you to push the material along the pipe to the destination at very low speeds (1-10 m/s), avoiding breakage of fragile materials, segregation of mixtures and wear of abrasive materials.
We pick up product from:
Hoppers / Big bags / Silos / Drums
Sacks / Dryers
Cutting machines / Floors
Centrifuges / Hoppers of product sockets
Containers / Bag breakers
Vibrating Channels/ Vibrating screens
We transport directly to:
Mixers / Reactors
Hoppers with weighing systems
Sieves / Tablet Press Machines
Bag / Drum filling systems
Silos / Packaging machines
Lines of work
* During the transport process we can also foresee mixing, screening, weighing and dosing systems.
What can you convey?
Our pneumatic conveyor systems are widely used in many sectors of which the main ones are: food, tobacco, nutraceutical, pharmaceutical, cosmetic, mechanical engineering and many others.
CHEMICAL and PHARMACEUTICAL
Preparations of vitamins
Malt and hops
Roasted and wheat coffee
Dried fruit (hazelnuts, peanuts, pistachios...)
Spices (pepper, salt, paprika, garlic...)
OENOLOGICAL and OIL
PE-PP powder caoutchouc
Granules of polyethylene
Granules of polyurethane
Colouring and decorating powders
Trims of packaging lines