Waste water filtering system

B - Operations – Transporting – 01 – D

Patent

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Details

B01D 29/50 (2006.01) B01D 15/00 (2006.01) B01D 35/02 (2006.01) B01D 39/14 (2006.01)

Patent

CA 2694580

A waste water filtration system (10) filters polluted waste water from various waste water sources (13) including fire sprinkler systems and fire hydrants. The system (10) includes a clear flexible hose (16) connecting a female swivel connection (16A) on, for example, a Fire Department Connection (FDC) to a mobile filtering system (11). The clear hose (16) allows the observation of a waste water flow from the waste water source (13) to ensure that a complete flushing has been accomplished. The filtering system (11) includes a stainer (18) to capture large particles, a filter (21) to capture small particles, and a chemically selective sponge (26) to capture, for example, oil, and destroy bacteria. The filtering system (11) allows compliance with NFPA Standards, California State Fire Marshal's "Title 19 Regulations for maintaining fire sprinkler systems, and Federal Clean Water laws, Federal Coastal Zone laws, and local city ordinances for releasing liquids into storm drains.

L'invention concerne un système de filtration des eaux usées (10) filtrant des eaux usées polluées provenant de diverses sources d'eaux usées (13) y compris des systèmes de gicleur d'incendie et des bouches d'incendie. Le système (10) comprend un tuyau souple incolore (16) reliant un raccord pivotant femelle (16A), situé par exemple sur un raccord pompier siamois (FDC), à un système de filtration mobile (11). Le tuyau incolore (16) permet d'observer un écoulement des eaux usées provenant de la source d'eaux usées (13) pour assurer qu'un rinçage complet a été effectué. Le système de filtration (11) comprend une crépine pour pompe(18) pour capturer de grandes particules, un filtre (21) pour capturer de petites particules et une éponge chimiquement sélective (26) pour capturer, par exemple, de l'huile et pour détruire des bactéries. Le système de filtration (11) permet de satisfaire aux normes NFPA, à la réglementation titre 19 du California State Fire Marshal destinée à un entretien des systèmes de gicleur d'incendie, aux lois fédérales relatives à l'eau propre, aux lois fédérales relatives aux zones côtières et aux arrêtés municipaux locaux pour évacuer des liquides dans des égouts pluviaux.

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