Liquid/solid separator and method
OwnerWilliam O. Irvineinventor
Life of this patent
Estimating the term…
Abstract
A liquid/solid separator system mounted on a mobile cart and connected to a process tank for reducing the rate at which fluids are consumed in manufacturing processes. The system may include automation and also may include a shear stepped screen including tilted wire wedge wires arranged at varying cant angles. The system may include a fine screen basket received in a settling box.
Claims16
A liquid/solid separator system comprising
- (a) a first screen arranged at an angle to the horizontal and having an upper and a lower end;
- (b) a first line for moving a solid-containing liquid above the upper end of said screen to cause the solid-containing liquid to move across said screen under the influence of gravity;
- (c) a settling box positioned below the lower end of said first screen;
- and
- (d) a strainer basket including second screen received within said settling box in spaced relation to said settling box.
A process for separating solids from liquids which comprises:
- providing a process tank which contains a solid-containing liquid;
- providing a first filter screen arranged at an angle to the horizontal and having an upper end and a lower end;
- providing an active return line positioned below said first screen to receive liquid which flows through said screen and return the liquid to said process tank;
- providing a discharge chute at the lower end of said first filter screen for receiving and collecting liquid and solids that do not pass through said first screen;
- providing a second filter screen which is finer than said first screen and receives the liquid and solids exiting from said discharge chute;
- providing a settling box receiving said second filter screen;
- conveying the solid containing liquid from said process tank to said first filter screen to filter the solid containing liquid;
- and
- shutting off the flow through said active return line to rinse the first filter screen and cause solids thereon to pass into said discharge chute.
A filter screen for separating solids and liquids comprising a series of wires, a series of ribs having said wires fixed thereto in a pattern wherein said wires are parallel to each other, each wire of said series of wires having a cross section which is triangular with two sides of said triangle forming an apex which is the point at which said wire is fixed to said ribs, said triangles each having a base which is tilted at an angle to said ribs, said screen having an upper end and also having a lower end, said angle being greater for the wires at said upper end than it is for the wires at said lower end.
A process for separating solids from liquids which comprises:
- providing a first filter screen arranged at an angle to the horizontal and having an upper end and a lower end;
- providing a line positioned below said first screen to receive liquid which passes through said first filter screen;
- providing a discharge chute at the lower end of the first filter screen for receiving liquid and solids which do not pass through said first filter screen;
- and
- shutting off the flow through said line to rinse the first filter screen and cause solids thereon to pass into said discharge chute.
Dependencies are inferred from the claim text.