Housing for a particulate material dedusting apparatus

Details Housing for a particulate material dedusting apparatus Housing for a particulate material dedusting apparatus

2011-03-08

2011-03-08

Matthews, Terrell H (Department: 3653)

Classifying, separating, and assorting solids

Fluid suspension

Gaseous

C209S033000, C209S133000, C209S136000, C209S145000, C209S149000

Reexamination Certificate

active

07900777

ABSTRACT:
A compact housing for a dedusting apparatus utilizes a magnetic flux field to disrupt the static charge attracting dust particles to product particles, which along with fluidization and counter current airflow principles that are proven to dislodge dust particles from the product, provides a highly efficient, compact deduster. The housing supports a double wash deck with product flow separated between the back-to-back primary wash decks. A deflector directing the flow of product onto the primary wash decks is provided with an extension that extends parallel to the wash deck to eliminated product bouncing off of the wash deck. The lower air outlets are eliminated, while the upper air outlets are positioned in extensions to the main housing above the product inlet opening. Air flow through the Venturi zones is enhanced by directing clean air through slots formed in the lower deck members into the Venturi zones.

REFERENCES:
patent: 4231861 (1980-11-01), Hannie et al.
patent: 5035331 (1991-07-01), Paulson
patent: 5160222 (1992-11-01), Noland
patent: 6405405 (2002-06-01), Hauch
patent: 6595369 (2003-07-01), Paulson
patent: 7380670 (2008-06-01), Paulson et al.

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