Pneumatic conveying systems in a dense phase

The pneumatic conveying system in a dense phase comprises a pressure vessel and the conveying line or piping.

The vessel is filled with powder, granules, or flakes to be carried, then it is subjected to pressure, generally from 1 to 6 bar according to what the performance of the plant is going to have to be; once the necessary pressure has been attained the discharge valve is commutated and the product starts its travel along the piping.

In order to prevent material from clogging along the piping during the transport stage, our system, when necessary, foresees the fluidisation of the piping, there where the risky points are, otherwise through a fluidisation system placed in the first section of the piping after the discharge of the pressure vessel, which generates air jets, determining, inside the piping, air and material intervals, allowing the product to fluidise ,and, therefore, to avert clogging.

The system is automatically managed by an electric control-panel with PLC logic and one that is pneumatic.

The advantages of pneumatic conveying system in a dense phase can be especially appreciated on the long distances.

The pneumatic conveying systems shift/handle the product at low speeds by envisioning or reducing degradation and by limiting the abrasion of the carrier-piping, of the deviator valves, of the curves, and therefore it is a great advantage in the handling of relatively delicate or abrasive materials.
Transport speed increases proportionally with advancement along the line, the pressure, instead, diminishes progressively as the product approaches the end of the conveying piping.

GUCON’s pneumatic conveying systems can be built in carbon steel or in stainless steel.

We at GUCON study our systems and plants so that they are the most reliable, and their performance is the best, as well.

Pressure or vacuum pneumatic conveying systems in a dilute phase, at average pressure

A pneumatic conveying system in a dilute phase at average pressures is based on the pressure (if in pressure) or the low/depression (if vacuum) generated by a blower inside one or more piping units.

Through an injection system inserted in the piping, generally achieved by means of a sealed roto-cell, the material is brought into the piping, carried and conveyed to destination.

The advantages of the pneumatic conveying system in a dilute phase are appreciated when considering how easy it is to manage and service, and because of its limited maintenance and consumption costs, when the system is fit for the application.

The pneumatic conveying system in a dilute phase is appropriate for carrying materials whose density is generally negligible, being them granules, flakes, pellets, chips or powders…

The materials employed to manufacture the rotary valve group, the blower, the piping, are defined based on the products and on the application, they can be built of carbon steel or of stainless steel.