WJB Engineering has developed a 10,000 Gauss self cleaning grate magnet designed for continuous extraction of metal fragments from dry product such as grain and powders.This is a major advancement on Drum magnets in which a maximum of around 5000 gauss can be achieved.
WJB Engineering has recently supplied a self cleaning grate system to one of the major Tasmanian breweries to extract magnetic stone from the brewery grain. The 10,000 gauss self cleaning grate magnet is configured to clean automatically at intervals depending on the volume of metal being collected on the grate magnet. This can be set up using computerised internal control systems of the company or factory in which it is installed.
The self cleaning design allows for continuous separation of metal with no need for operators to clean the Grate magnet. Special facilities are incorporated which compensate and minimize abrasive wear and loss of magnetic strength over time.
This unit has undergone strenuous testing in harsh grain environments and returned very positive results, with components lasting very well in the self cleaning design and construction of the magnet.
Also, in 2009, WJB Engineering manufactured a large self cleaning grate magnet for a major grain terminal in port Adelaide in which up to 800 Tonnes per hour of Canola Seed is being filtered through the self cleaning grate magnet. This has achieved excellent separation results including the removal of magnetic dust and stone fragments.
Following the development of a self cleaning grate magnet that actually works and doesn’t jam up with badly designed sleeve and slide type cleaning mechanisms, manually cleaned grate magnets are no longer needed in many applications.
This new development in Self Cleaning Grate magnets is easily retrofitted into existing magnet locations from very small to very large applications. For expert advice and detailed information regarding self cleaning grate magnet systems, contact WJB engineering.
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