Patent ID: 6892891

Claim:
A manure management system comprising: a first holding basin that holds a flushed manure slurry; a first separator, the first separator having a first sloped screen, the first sloped screen having a plurality of openings, the first separator receiving the flushed manure slurry and outputting a once-screened slurry; a first pumping system placed in the first holding basin and connected to the first separator, the first pumping system pumping the flushed manure slurry from the first holding basin to the first separator; and a second separator, the second separator receiving the once-screened slurry and outputting a twice-screened slurry, the second separator having: an input compartment that receives the once-screened slurry, the input compartment having a input opening and an output opening; a second sloped screen connected to the output opening of the input compartment, the second sloped screen having a plurality of openings and a width, the once-screened slurry flowing over the second sloped screen when slurry flows into the input compartment; and a collection compartment connected to the second sloped screen, the collection compartment having an air flow opening and a slurry exit opening, and receiving a second-screened slurry that falls through the second sloped screen, the second-screened slurry flowing out through the slurry exit opening, wherein the openings in the first sloped screen have a size that ranges from equal to or greater than 0.89 mm to equal to or less than 1.52 mm and the openings in the second sloped screen have size of approximately 0.25 mm.