Clean air bulk material handling method and system

Details Clean air bulk material handling method and system Clean air bulk material handling method and system

1997-04-01

1999-02-09

Pike, Andrew C.

Conveyors: fluid current

Intake to fluid current conveyor

Upstream of suction source

454228, B65G 5326

Patent

active

058685286

ABSTRACT:
In order to decrease or eliminate environmental contaminants from fluent particulate matter that is removed from bulk material carriers by conventional vacuum conveyor systems, the bulk material carrier is moved into an enclosure which can be closed off from the environment after the carrier is within the enclosure. Clean air containing a prescribed maximum number of particles above a given size floods the entire enclosure and air of even greater cleanliness is fed to a selected discharge valve of the material carrier to entrain the particulate matter in the clean air streams which pass through the bulk material under the influence of the vacuum conveyor.

REFERENCES:
patent: 4668131 (1987-05-01), Hart, Sr. et al.
patent: 4884923 (1989-12-01), Wellink
patent: 4993883 (1991-02-01), Jones
patent: 5035543 (1991-07-01), Medemblik et al.
patent: 5199826 (1993-04-01), Lawrence
patent: 5331991 (1994-07-01), Nilsson
patent: 5639188 (1997-06-01), Howanski et al.
"Polyethylene Handling and Storage Guide," Union Carbide Corp., 1984.

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