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BELT & BUCKET ELEVATOR

Belt and Bucket Elevator

 

The elevator is of the enclosed belt and bucket type.  It has a rubber/polyester low stretch belt fitted with steel buckets.  

 

The screws feed the abrasive into the elevator which is of the belt and bucket type.

 

The buckets are fitted to the belt by means of two large headed bucket bolts.

 

The unit is fabricated as one structure.

 

All shafts run in self lubricated, sealed, flanged ball bearing units.

 

Drive is by means of a standard reduction geared motor unit directly coupled to the pulley shaft.  This eliminates adjustment of chain or pulley drives when tensioning of the elevator belt is necessary.

 

Airwash and Storage Hopper

 

The elevator feeds into an airwash and storage hopper.  The purpose of the airwash separator is three fold:

 

  1. It removes contaminants from the working abrasive mix.

  2. It controls the size of abrasive in the working mix.

  3. It controls the consumption of abrasive by controlling the size of abrasive removed from the system.

 

This is accomplished by drawing air through a falling curtain of abrasive.  The required air currents are produced by the extraction system.  The abrasive is directed via various cascading plates to a counter balanced pivot plate.  This helps to produce an even flow of abrasives across the airwash zone. The air currents then extract the fines and dust.  Fines materials pass down an adjustable fines chute via a flexible pipe to ground level for collection and disposal by the client.  The dust is drawn down the ductwork to the extraction system.  The cleaned abrasive then passes into the lower half of the unit, which forms a hopper, prior to being directed into the blast machine.  Which in turn feeds the blast machine with good, clean abrasive.

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