Grease interceptor
阅读：663发布：2020-10-29
专利汇可以提供Grease interceptor专利检索，专利查询，专利分析的服务。并且An interceptor for separating grease and oil from water and for treating said grease and oil, where desirable, with chemicals, said interceptor comprising a tank having a novel liquid-tight and gas-tight lid construction and a novel baffle system and discharge compartment incorporated within the tank.，下面是Grease interceptor专利的具体信息内容。
1. An interceptor for treating grease in water comprising: a tank having an inlet end and an outlet end, a plurality of baffles disposed within the tank to control the flow of water through the tank for effecting a separation of grease from water by gravity, means at the tank outlet end for retaining separated grease within the tank, a lid for closing said tank, means for securing said lid peripherally to the tank to effect a liquidtight and gas-tight seal therebetween, said lid having a circular opening and an annular recess formed in its upper surface about the circular opening, a cover-well having a circular side wall with closed bottom and a flanged rim formed on the side wall adapted to seat in said lId opening on the annular recess, and means for securing the cover-well tightly to the tank to effect a liquid-tight and gas-tight seal therebetween and to secure the central portion of the lid to the tank comprising a bolt and handle assembly, said bolt being fastenable to an underlying portion of the tank and said handle having a shank portion extensible through an opening in the cover-well adapted to be threaded onto said bolt, an annular shoulder formed on the handle shank having a diameter greater than the diameter of the opening in the cover-well whereby the shoulder tightly abuts the coverwell upon fastening of the bolt and handle assembly to the tank, an annular ridge formed on the shank portion extensible through the cover-well opening, and an O-ring seated on said shank portion against the ridge adapted to abut the underside of the cover-well whereby the cover-well can be raised from the lid by release of the handle from the bolt and raising of the handle.
2. In a grease interceptor as claimed in claim 1, said baffles comprising first baffle mounted transversely in said tank in proximity to the inlet end for deflecting inwardly flowing liquid laterally and downwardly; a second transverse baffle having a plurality of openings formed therein for distributing liquid flow uniformly across the tank, and a third baffle mounted generally transversely in said tank at the bottom thereof for deflecting the liquid upwardly and longitudinally towards the outlet end of the tank.
3. An interceptor as claimed in claim 1, said means at the tank outlet end for retaining separated grease within the tank comprising an inverted weir having a transverse wall and depending side walls appended to the tank end wall and having a top closure wall defining a closed compartment whereby liquid discharging from said tank outlet end must pass under the lip defined by the said inverted weir into the compartment for egress from the tank.
4. An interceptor as claimed in claim 5, said transverse wall and side walls each being hollow and having a continuous air gap formed therein substantially coextensive with said walls, and said end wall having elongated slots formed therein communicating said air gap externally of the tank, whereby leakage in said transverse or side walls will be manifested by leakage externally of the tank.
5. An interceptor for separating matter having a lower specific gravity than water from water comprising a tank having an inlet end and an outlet end, a plurality of baffles disposed within the tank to control the flow of water through the tank for effecting a separation of said matter from water by gravity, and means at the tank outlet end for retaining said separated matter within the tank comprising an inverted weir having a hollow transverse wall and hollow depending side walls appended to the tank end wall and having a top closure wall defining a closed compartment whereby liquid discharging from said tank outlet end must pass under the lip defined by the said inverted weir into the compartment for egress from the tank, said hollow transverse wall and hollow side walls each having a continuous air gap formed therein substantially coextensive with said walls, and said end wall having elongated slots formed therein communicating said air gap externally of the tank, whereby leakage in said transverse or side walls will be manifested by leakage externally of the tank.
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