A portable suction nozzle for removing layers of fat, oil and grease (FOG), scum, sludge and the like from the surface or bottom of tanks used in water and sewage treatment plants, septic systems and the like. The device can be used by an operator working in such environments, as well as honey wagon
A portable suction nozzle for removing layers of fat, oil and grease (FOG), scum, sludge and the like from the surface or bottom of tanks used in water and sewage treatment plants, septic systems and the like. The device can be used by an operator working in such environments, as well as honey wagon operators, oil spill response teams and the like. The device can be held in place by a holster arrangement mounted to a tank to be cleaned.
대표청구항▼
1. Process for removing layers of fat, oil, grease and scum floating on water in a treatment tank used in water and sewage treatment plants, septic systems and the like which comprises: (a) providing access to the top of said treatment tank for a standing operator;(b) providing said operator with a
1. Process for removing layers of fat, oil, grease and scum floating on water in a treatment tank used in water and sewage treatment plants, septic systems and the like which comprises: (a) providing access to the top of said treatment tank for a standing operator;(b) providing said operator with a handheld suction device the weight of which is born by said operator comprising: (i) a central collar member;(ii) a suction nozzle releasably connected to one side of said collar member having a nozzle end for removing layers of fat, oil, grease and scum floating on the water in said treatment tank, said nozzle having interchangeable, multiple varying lengths to allow the operator to select and connect a length to said collar which will position said nozzle end in a layer of fat, oil, grease and/or scum floating on the water in a treatment tank without extending into the underlying water;(iii) the other side of said collar member being releasably connected to a suction hose which leads to a suction source;(iv) lateral handles extending from opposite sides of said collar member without obstructing suction flow therethrough, said handles comprising a shaft with a resilient sleeve there over, said shaft having tensioning means which prevents rotation of said sleeve or allows it to rotate when a threshold amount of torque is applied by the operator;(v) said collar member and said suction nozzle having a combined length beginning from the extended arms of an operator standing at the top of said treatment tank gripping said handles and extending downward into a layer of fat, oil, grease and/or scum floating on the water in said treatment tank without extending into the underlying water;(vi) said collar member being releasable connected to said nozzle and said suction hose to facilitate disassembly, cleaning and storage of said collar, nozzle and suction hose; and(c) removing said layer of fat, oil, grease and/or scum by applying suction from from said suction source to said nozzle end while directing said nozzle end in said layer of fat, oil, grease and/or scum floating on the water in said treatment tank without extending into the underlying water. 2. Process of claim 1 wherein said nozzle end is cut at about a 45 degree angle to facilitate removal of said layers. 3. Process of claim 1 wherein said nozzle end has a castellated configuration with cutouts to facilitate removal of said layers. 4. Handheld suction device the weight of which can be born by an operator for removing layers of fat, oil, grease and scum floating on water in a treatment tank used in water and sewage treatment plants, septic systems and the like comprising: (a) a central collar member;(b) a suction nozzle releasably connected to one side of said collar member having a nozzle end for removing layers of fat, oil, grease and scum floating on the water in said treatment tank, said nozzle having interchangeable, multiple varying lengths to allow an operator to select and connect a length to said collar which will position said nozzle end in a layer of fat, oil, grease and/or scum floating on the water in a treatment tank without extending into the underlying water;(c) the other side of said collar member being releasably connected to a suction hose which leads to a suction source;(d) lateral handles extending from opposite sides of said collar member without obstructing suction flow therethrough, said handles comprising a shaft with a resilient sleeve there over, said shaft having tensioning means which prevents rotation of said sleeve or allows it to rotate when a threshold amount of torque is applied by the operator;(e) said collar member and said suction nozzle having a combined length beginning from the extended arms of an operator standing at the top of said treatment tank gripping said handles and extending downward into a layer of fat, oil, grease and/or scum floating on the water in said treatment tank without extending into the underlying water; and(f) said collar member being releasable connected to said nozzle and said suction hose to facilitate disassembly, cleaning and storage of said collar, nozzle and suction hose. 5. Device of claim 4 wherein said nozzle end is cut at about a 45 degree angle to facilitate removal of said layers. 6. Device of claim 4 wherein said nozzle end has a castellated configuration with cutouts to facilitate removal of said layers.
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