[특허]Diffuser baffle for grease interceptor

Canplas Industries Ltd.

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특허 상세정보

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Diffuser baffle for grease interceptor

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	E03F-005/16 B01D-017/04 C02F-001/00 C02F-001/40 B01D-017/02 C02F-101/32 C02F-103/32
출원번호	US-0150498 (2016-05-10)
등록번호	US-9850651 (2017-12-26)
우선권정보	CA-2769800 (2012-02-28)
발명자 / 주소	Bird, Andrew Mantyla, James Brian Tesky, James Edwin Parkinson, Richard Alan
출원인 / 주소	Canplas Industries Ltd.
대리인 / 주소	Hoffmann & Baron, LLP
인용정보	피인용 횟수 : 0 인용 특허 : 7

초록
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A diffuser baffle for use in an in-line wastewater grease interceptor. The diffuser baffle lies within a grease collecting chamber between the inflow and outflow of a grease interceptor. The diffuser baffle has an open bottom which is sized and shaped respectively to fit into the grease collecting chamber. The diffuser baffle has an end operatively connected to the inflow opening to permit wastewater to flow into the body through the open bottom. The baffle has a downstream end which includes a deflector portion to deflect a wastewater stream in a direction generally into the grease collecting chamber. The body also includes a number of apertures to permit the deflected wastewater stream to pass through the baffle and into the grease collecting chamber, where FOG will separate before waste water exits the chamber through the outlet baffle.

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1. A grease interceptor and diffuser assembly comprising: a grease interceptor including: a wastewater fluid inflow opening;a wastewater fluid outflow opening in fluid communication with the inflow opening;a grease collecting chamber hydraulically located between the inflow opening and the outflow opening;a floor disposed at a lowermost extent of the grease interceptor;an inlet baffle in fluid communication with the inflow opening and adapted to direct the fluid downward toward the floor; andan outlet baffle in fluid communication with the outflow opening and adapted to direct the fluid upward from the floor to the outflow opening;a diffuser disposed in the grease collecting chamber, the diffuser including: a first panel extending between a first panel lower edge and a first panel opposite upper edge, the first panel being disposed upright adjacent the inlet baffle, the first panel lower edge being elevated above the floor so as to allow the fluid to flow beneath the first panel lower edge;a second panel extending between a second panel lower edge and a second panel opposite upper edge, the second panel being disposed upright adjacent the outlet baffle, the second panel lower edge being in contact with the floor so as to prevent fluid flow beneath the second panel lower edge;a top portion extending transversely between the first panel upper edge and the second panel upper edge;apertures through the first panel and the top portion; andan interior space enclosed by the first panel, the second panel, and the top portion, the interior space being in fluid communication with grease collecting chamber; whereinthe fluid is adapted to flow from the inlet baffle beneath the first panel lower edge into the interior space, upward through the apertures into the grease collecting chamber, and downward into the outlet baffle; andfats, oils and grease (FOG) will separate from the fluid in the grease collecting chamber. 2. The grease interceptor and diffuser assembly of claim 1, wherein the second panel further comprises a solid deflector portion adapted to deflect the fluid flow away from the second panel, and direct the fluid flow toward the first panel. 3. The grease interceptor and diffuser assembly of claim 2, wherein: the deflector portion further comprises at least a lower portion of the second panel, the lower portion having no openings for the fluid flow; andthe deflector portion is adapted to reverse the fluid flow. 4. The grease interceptor and diffuser assembly of claim 2, further comprising a ramp disposed on the floor of the grease collecting chamber between the first panel and the second panel, the ramp being adapted to direct the fluid flow toward the deflector portion. 5. The grease interceptor and diffuser assembly of claim 2, wherein the second panel further comprises: second panel openings above the deflector portion to allow the fluid flow through the second panel; andsecond panel covers over the second panel openings and spaced apart from the second panel openings; whereinthe second panel openings and second panel covers are adapted to allow laminar flow therethrough, and to allow coalescence of the FOG into concentrated parts, and to allow separation of the FOG from the fluid. 6. The grease interceptor and diffuser assembly of claim 4, further comprising a solids retention area between the second panel deflector portion and the ramp, so as to collect heavy entrained solids. 7. The grease interceptor and diffuser assembly of claim 1, wherein the apertures through the first panel are adapted to allow laminar flow therethrough. 8. The grease interceptor and diffuser assembly of claim 1, wherein the diffuser is removably mounted in the grease collecting chamber and the diffuser includes a handle for lifting the diffuser out of the grease collecting chamber. 9. The grease interceptor and diffuser assembly of claim 1, wherein the diffuser is substantially shaped like an inverted V. 10. The grease interceptor and diffuser assembly of claim 1, wherein the apertures through the top portion are circular. 11. The grease interceptor and diffuser assembly of claim 1, wherein the diffuser includes retention tabs on the first panel lower edge, which engage the inlet baffle to locate and retain the diffuser in place in the grease interceptor. 12. A grease interceptor and diffuser assembly comprising: a grease interceptor including: a wastewater fluid inflow opening;a wastewater fluid outflow opening in fluid communication with the inflow opening;a grease collecting chamber hydraulically located between the inflow opening and the outflow opening;a floor disposed at a lowermost extent of the grease interceptor;an inlet baffle in fluid communication with the inflow opening and the grease collecting chamber, and adapted to direct the fluid downward toward the floor;an outlet baffle in fluid communication with the outflow opening and the grease collecting chamber, and adapted to direct the fluid upward from the floor to the outflow opening;a ramp disposed on the floor between the inlet baffle and the outlet baffle, the ramp being adapted to direct the fluid flow upward away from the floor;a diffuser disposed in the grease collecting chamber, the diffuser including: a first panel extending between a first panel lower edge and a first panel opposite upper edge, the first panel being disposed upright adjacent the inlet baffle, the first panel lower edge being elevated above the floor so as to allow the fluid to flow beneath the first panel lower edge;a second panel extending between a second panel lower edge and a second panel opposite upper edge, the second panel being disposed upright adjacent the outlet baffle, the second panel lower edge being in contact with the floor so as to prevent fluid flow beneath the second panel lower edge, the second panel having a solid deflector portion adapted to engage the fluid flow from the ramp, deflect the fluid flow away from the second panel, and direct the fluid flow toward the first panel, the second panel and the ramp forming a solids retention area therebetween so as to collect heavy entrained solids;a top portion extending transversely between the first panel upper edge and the second panel upper edge;an interior space enclosed by the first panel, the second panel, and the top portion, the interior space being in fluid communication with the grease collecting chamber; andapertures through the first panel and the top portion, and openings through the second panel, so as to allow the fluid to flow from the interior space through the first panel, the second panel, and the top portion, into the grease collecting chamber; whereinthe diffuser is adapted to cause the fluid to flow from the inlet baffle beneath the first panel lower edge into the interior space, upward through the apertures and openings into the grease collecting chamber, and downward into the outlet baffle; andfats, oils and grease (FOG) will separate from the fluid in the grease collecting chamber. 13. The grease interceptor and diffuser assembly of claim 12, wherein: the deflector portion further comprises at least a lower portion of the second panel, the lower portion having no openings for the fluid flow; andthe deflector portion is adapted to reverse the fluid flow. 14. The grease interceptor and diffuser assembly of claim 13, wherein the second panel further comprises: the second panel openings being disposed above the deflector portion; andsecond panel covers over the second panel openings and spaced apart from the second panel openings; whereinthe second panel openings and second panel covers are adapted to allow laminar flow therethrough, and to allow coalescence of the FOG into concentrated parts, and to allow separation of the FOG from the fluid. 15. The grease interceptor and diffuser assembly of claim 12, wherein the diffuser includes retention tabs on the first panel lower edge, which engage the inlet baffle to locate and retain the diffuser in place in the grease interceptor. 16. A method for separating the FOG from the wastewater fluid in the grease interceptor and diffuser assembly of claim 12, the method comprising: allowing the fluid to flow into the inflow opening, through the inlet baffle and toward the floor of the grease interceptor;directing the fluid flow away from the floor with the ramp and upward into the diffuser in the grease collecting chamber;directing the fluid flow from the ramp toward the solid deflector portion on the second panel of the diffuser;deflecting the fluid flow away from the second panel and directing the fluid flow toward the first panel of the diffuser with the deflector portion;causing the fluid to flow upward through the apertures in the diffuser into the grease collecting chamber;separating the FOG from the fluid in the grease collecting chamber;causing the fluid to flow toward the floor, through the outlet baffle, and upward to the outflow opening; andremoving the FOG from the grease collecting chamber. 17. The method of claim 16, further comprising reversing the fluid flow with the deflector portion. 18. The method of claim 16, further comprising: elevating the first panel lower edge above the floor and allowing the fluid to flow beneath the first panel lower edge;juxtaposing the second panel lower edge in contact with the floor and preventing fluid flow beneath the second panel lower edge;extending the top portion transversely between the first panel upper edge and the second panel upper edge;enclosing the interior space with the first panel, the second panel, and the top portion, and connecting the interior space in fluid communication with the grease collecting chamber;forming the apertures through the first panel and the top portion;forming the openings through the second panel;causing the fluid to flow from the interior space upward through the apertures and openings into the grease collecting chamber; andcausing the fluid to flow downward into the outlet baffle and out the outflow opening. 19. The method of claim 18, further comprising: forming the solids retention area between the diffuser and the ramp; andcollecting the heavy entrained solids in the retention area. 20. The method of claim 19, further comprising: disposing the second panel openings above the deflector portion;disposing second panel covers over the second panel openings and spacing the second panel covers apart from the second panel openings;allowing the fluid to flow through the second panel openings and second panel covers with laminar flow;coalescing of the FOG into concentrated parts with the second panel openings and second panel covers; andallowing separation of the FOG from the fluid with the second panel openings and second panel covers. 21. A method for separating the FOG from the wastewater fluid in the grease interceptor and diffuser assembly of claim 12, the method comprising: connecting the wastewater fluid inflow opening in fluid communication with the wastewater fluid outflow opening in the grease interceptor;locating the grease collecting chamber hydraulically between the inflow opening and the outflow opening;connecting the inlet baffle in fluid communication with the inflow opening and the grease collecting chamber, and directing the fluid downward toward the interceptor floor with the inlet baffle;connecting the outlet baffle in fluid communication with the outflow opening and the grease collecting chamber, and directing the fluid upward from the interceptor floor to the outflow opening with the outlet baffle;allowing the fluid to flow into the inflow opening, through the grease collecting chamber and out the fluid outflow opening;disposing the ramp on the floor between the inlet baffle and the outlet baffle, and directing the fluid flow upward away from the floor with the ramp;disposing the diffuser in the grease collecting chamber with the first panel upright adjacent the inlet baffle and the second panel upright adjacent the outlet baffle;elevating the first panel lower edge above the floor so as to allow the fluid to flow beneath the first panel lower edge;juxtaposing the second panel lower edge in contact with the floor and preventing the fluid flow beneath the second panel lower edge;directing the fluid flow from the ramp toward the solid deflector portion on the second panel;deflecting the fluid flow away from the second panel and directing the fluid flow toward the first panel with the deflector portion;forming the solids retention area between the second panel and the ramp and collecting the heavy entrained solids in the retention area;extending the top portion transversely between the first panel upper edge and the second panel upper edge;enclosing the interior space with the first panel, the second panel, and the top portion, and connecting the interior space in fluid communication with the grease collecting chamber;forming the apertures through the first panel and the top portion;forming the openings through the second panel;causing the fluid to flow from the inlet baffle beneath the first panel lower edge into the interior space;causing the fluid to flow from the interior space upward through the first panel, the second panel, and the top portion, into the grease collecting chamber;separating the FOG from the fluid in the grease collecting chamber;causing the fluid to flow downward into the outlet baffle; andremoving the FOG from the grease collecting chamber. 22. The method of claim 21, further comprising: disposing the second panel openings above the deflector portion;disposing second panel covers over the second panel openings and spacing the second panel covers apart from the second panel openings;allowing the fluid to flow through the second panel openings and second panel covers with laminar flow;coalescing of the FOG into concentrated parts with the second panel openings and second panel covers; andallowing separation of the FOG from the fluid with the second panel openings and second panel covers.

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Diffuser baffle for grease interceptor

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Diffuser baffle for grease interceptor

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