Patent ID: 6395187
Filing Date: 2002-05-28
Classification: B01D

Abstract:
A process to separate solids from waste water containing hog manure in a horizontal solids recycler, which comprises:feeding a low pressure waste water flow comprising refuse solids from hog farms having a concentration of about 50% by weight of solids to an inlet; establishing a uniform curtain of waste water over a tumbler comprising a mesh; passing the waste water through the mesh; raising the refuse solids by means of rising blades in the tumbler; passing the refuse solids to a collecting bin; separating the waste water from the refuse solids in the collecting bin; transporting the refuse solids by a continuous and uninterrupted thread; feeding the refuse solids to a perforated cylinder in a pressing section by means of the uninterrupted thread; pressing the refuse solids in the pressing section which is open to the air; collecting the waste water of the pressing section and recycling the waste water to the tumbler; drying the refuse solids by a self adjusting dewatering cone against which the refuse solids are pressed; expelling the dried refuse solids to a dried manure cellar; and recycling the separated waste water both to the farm and to the numbler of the horizontal solids recycler.