LIQUIDS, POWDERS AND GRANULES TRANSPORT

For each dosing, mixing or simple feeding process of a machine it is necessary that the raw material is moved from the storage site (silo, tank, hopper, Big-bag, octabin, other) to the area of use.

There are different systems for transporting the various products, each of them featuring advantages and problems. Multi Data specializes in pneumatic and mechanical transport.

Pneumatic and mechanical transport

Pneumatic transports use air at different pressures to move powder or granule products, whereas the second ones use mechanical actions such as screw conveyors, bucket elevators or simply pumps.

The use of the pneumatic transport is the most widespread system in our plants.

What kind of transport to choose?

When you have to choose what type of transport to use to feed your machine or your scales, you must ask yourself these questions:

• what kind of product you need to transport and what features it has (flowability, abrasion, breakage, other);
• what hourly flow you must obtain;
• what distance you have to obtain;

For example, for dusty products over not excessive distances it is advisable to transport them by suction to avoid pollution in case some elements get broken and to limit the power of the motors that must create the vacuum.

Over long distances or if granules are present, a pressure transport can be used, taking care of the final area of material-air separation.

The movement of many materials is particularly complex, because they become compact, or because they are extremely abrasive, or even because they could get broken when they come into contact with the tubes (i.e. coffee or micronized carbon black).

In these cases, the plant designer should opt for a dense phase transport which combines a low product speed (therefore less breakage and abrasion) with a good capability to move over long distances.

The flip side of the coin is characterized by the cost and not very high flow rate.

Real-Time control

Software programming is equally critical. A company with little experience is not able to manage the problems created by each transport, going from the simple pressure management to avoid cloggings to the finest real-time transport control in dense phase to maintain constant pressure in the tubes.

Starting a compressor and opening a valve is often not enough.

Our routines allow for all the mechanical elements of the line to be checked in order to avoid annoying clogging or breakage of the raw material.

Why taking unnecessary risks with loss of time (and money)?

Trust those who have been dealing with this for over 25 years.

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