Patent ID: 6749068
Filing Date: 2004-06-15
Classification: B01D

Abstract:
A separators comprising:a sloped screen that receives a manure slurry, the sloped screen having a plurality of screen openings and a width; a collection compartment connected to the sloped screen, the collection compartment having an air flow opening and a slurry exit opening, and receiving a screened slurry that falls through the sloped screen when the manure slurry flows onto the sloped screen, the screened slurry flowing out through the slurry exit opening; and an air flow controller connected to the collection compartment, the air flow controller controlling a first volume of air that flows through the sloped screen as a result of the screened slurry flowing through the slurry exit opening, wherein the air flow controller variably controls a second volume of air that can flow into the air flow opening to thereby vary the first volume of air that is pulled through the sloped screen.