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Method and apparatus for removing particulate contaminants from commercial laundry waste water

Imported: 24 Feb '17 | Published: 06 Jan '04

James P. Sharkey

USPTO - Utility Patents

Abstract

A filtration apparatus includes a filter element disposed at a 45 degree angle defining an upper chamber for solids and a lower chamber for liquid. A trough is disposed at the lower end of the filter element. The floor of the trough funnels toward a central drain and an overflow drain is located approximately 8 inches above the trough floor. The lower chamber is provided with a drain for recirculating water to a sprayer above the filter element and is also provided with an overflow drain approximately 8 inches above the floor.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a fragmentarily-illustrated perspective view of the filtration apparatus embodying the present invention with portions broken away to show internal construction;

FIG. 2 is a fragmentarily-illustrated side view of the filtration apparatus shown in FIG. 1;

FIG. 3 is a schematic side elevation view of the overflow drain; and

FIG. 4 is a schematic side elevation view of the relative locations of the four discharge outlets of the invention.

Claims

1. A filtration apparatus for filtering waste water containing particulate contaminants, said apparatus comprising:

2. An apparatus according to claim 1, wherein:

3. An apparatus according to claim 1, wherein:

4. An apparatus according to claim 3, further comprising:

5. A filtration apparatus for filtering waste water containing particulate contaminants, said apparatus comprising:

6. An apparatus according to claim 5, further comprising: