Nomex Airslide Fabrics( Aramid airslides)

The Suita Nomex Airslide belt is not only known for using special fabrics for Air slide belts used in pneumatic conveyor lines but also for introducing the Air slide for aeration and handling of powered materials in silos, hoppers and stacks which are used in cement works, lime factories, chemical plants and mining operations. The Air slides are available in rolls of 40mm or 50mm and heights up to 2500mm. They are made of either cotton, polyester, aramidic fibers. The multi-ply structure of fabrics, with different weights, thickness and permeability allows : Uniformity in the flow effect on the slide surface Great mechanical resistance to abrasion and tensile strength, a vast porosity range. The materials can be supplied cut to pattern upon request.

Providing for continuous discharge of materials from silos and tanks by means of properly designed equipment is very important. Continuous flow with required efficiency is needed for concurring technological equipment and properly chosen aeration device will moreover provide for proper emptying of a storage facility and will considerably reduce material residues left in it. With insufficient material aeration in its entire volume, material doming occurs with higher discharge outputs. Breakdown of the dome may induce a piston effect when a column of the non-aerated material sinks in through the entire height of the silo and causes abrupt decrease of the pressure above the material level. This may lead up to the destruction of the silo (Fig. 6) despite its securing by using a release device which cannot provide for sucking of sufficient amount of air in the silo to equalize the pressures. Both the local aeration systems (spears and nozzles) and the aeration devices find their utilization in the storage technology. Local systems are suitable for smaller tanks with fast material turnover. Surface aeration devices are suitable for larger storage and dispatching silos and when perfect emptying of a storage facility is required. These have the additional benefit of longer service life and resistance to wearing by the transported material.