Dense phase pneumatic conveyors are recognised for increasing plant efficiency, saving companies by providing a cost effective means of conveying material from storage hoppers for processing. They utilise compressed air to convey free-flowing materials at low velocities over relatively short distances. The air is supplied via an air compressor or from one of our LT series “Roots” type blowers.
Benefits of a dense phase conveying system
• Lower Running Costs - dense phase systems have few working parts & maintenance costs are usually very low
• Space Savings - pneumatic piping can be routed along walls and ceilings resulting in more floor space
• Facilitates Bulk Purchasing - lower costs of raw materials
• Better Housekeeping - dense phase conveying virtually eliminates all wastage and spillage - it is clean and economical
• Increased Safety - operators are protected from the hazards of dust and exposed machinery
Suitable products for dense phase conveying include:
• alumina
• carbon
• clay
• dust
• flour
• fly ash
• limestone
• milk
• paper scraps
• plaster
• polyethylene pellets
• polymer flakes
• powdered coal
• salt
• soya beans
• starch
• sugar
• washing powder
These products are examples only and are not by any means exclusive. Basically, dense phase pneumatic conveying can be used with most powder and granular products.
Operation of the pressure pots
Upon receiving a remote signal, the inlet valve opens and allows products to enter the pressure vessel. A level sensor (or timer) will detect that the vessel is full and close the inlet valve. The discharge valve opens & compressed air enters the vessel forcing the product along the pipe work to the final destination. The next batch is then allowed to enter the pressure vessel. They cease operation when no product is present.
Features of pressure pots:
• Low air volume
• Minimal abrasion
• Easy to install
• Conveys up to 100 metres
• Conveys up to 10 tonnes per hour
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