Fluid handling – Processes – With control of flow by a condition or characteristic of a...
Patent
1994-06-17
1996-04-16
Solis, Erick R.
Fluid handling
Processes
With control of flow by a condition or characteristic of a...
208182, 208179, F17D 117
Patent
active
055073077
ABSTRACT:
A method for recycling waste lubrication oil for use as fuel oil includes pumping new fuel oil from a source and monitoring the flow rate of the new fuel oil; pumping waste oil from a source through at least one filter and adjusting the flow rate of the waste oil according to the monitored flow rate of the new fuel oil and a preselected blend ratio; combining the filtered waste oil with the fuel oil in a static mixer; and dehydrating the blended oil prior to dispensation. An apparatus for performing the method includes a fuel pump fluidly coupled to a source of fuel oil and fluidly feeding a flow meter which is electrically coupled to a control circuit. A waste oil pump is fluidly coupled to a source of waste oil and to at least one depth media filter and is electrically coupled to the control circuit. The outputs of the flow meter and the depth media filter are fluidly coupled to a static mixer which is fluidly coupled to a coalescer. The output of the coalescer supplies a clean, dehydrated blend of fuel oil and waste oil. The control circuit adjusts the flow rate of the waste oil pump according to the flow meter and a preselected ratio of fuel oil to waste oil in infinite increments from 0 to 10%.
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Jacobi Otto
Montegari Daniel F.
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