The handling of bulk powders (flour, chemicals, fly ash, cement, etc) in this way has been limited by the difficulty of retrieving the powders, which can compact and consolidate.
Tipping of the container has always been seen as necessary and acceptable but flow can only be guaranteed if the powder is fluidised by mechanical means, or more preferably by aeration.
Modified containers are expensive and limited in general freight usage as they cannot be off hired. The containers are usually dedicated to a specific supply and returned to source empty.
Kockums Bulk Systems Pty Ltd have developed a fluidizing mat (KOCKUMAT) that is compatible with current systems comprising polyethylene container liners and cardboard bulkheads and is priced for single use, and is disposable or recyclable. (There is no return to source necessary).
Kockums Bulk Systems are well known for pneumatic conveying systems for powders and can supply integrated downstream equipment for transfer of powders to from the containers to bulk storage silos.
Shown left is Kockums KT75 pneumatic conveying system. Vacuum assistance is utilised for quick filling of the vessel and then conveyed in the convensional dense phase manner to the destination silo.
For further information about Container Unloading System visit Kockums Bulk Systems at http://www.kockumsbulk.com.au
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Providing Solutions To The Process Industry