Bulk material handling
Storing dry bulk materials in silos or transporting powders in pneumatic conveying systems can create problems. Reduced product quality, lost production, blocked pipes, damage plant and a need for intensive regular maintenance are common requirements. Lower productivity and higher production costs are the result.
Operators of silos or conveying systems are often aware of the effects of excessive moisture. Relative Humidity (RH) levels are difficult to counteract as they change throughout the day and season.
Pneumatic conveying is also affected by the increased air pressure, which increases the likeihood of condensation. The moisture regain due to condensation causes many ingredients and powder that would otherwise convey smoothly to stick together. As a result, these products build up in conveying lines.
To minimise the effects of product build-up, mechanical devices such as vibration pads, hammers etc., are often fitted to bulk handling equipment prior to delivery. However, this approach does not solve the basic problem - the powders still lump together.