Agitating – Stationary deflector in flow-through mixing chamber – Curved deflector surface
Patent
1992-10-23
1995-03-21
Scherbel, David A.
Agitating
Stationary deflector in flow-through mixing chamber
Curved deflector surface
366176, 366182, 138 42, B01F 506
Patent
active
053990153
ABSTRACT:
A mechanical emulsifying apparatus makes oil/water emulsions without chemicals and without moving parts. Oil is pumped at a nominal pressure axially into an emulsifying stack of alternately clockwise and anticlockwise abrupt-reversal helical spin-reversing helix disks, with integrally machined separator necks. The stack transfers partially emulsified oil/water mix from one helical disk to the next. Water is introduced directly into the emulsifying stack (for heavy oil, from the side) at a pressure higher than the oil pressure, to shear into the oil stream. The oil/water stream, as it penetrates the oil stream, follows a spin-reversing flow path through the stack. Each disk is cut with a helical pathway, alternately clockwise or anticlockwise, and with a separator neck, for an abrupt transition at a nominal 135 degree angle. The oil and water streams, partially merged, strike the transition at the separator neck between helix disks. This reverses the helical flow abruptly. The oil and water increasingly emulsify during the multiple spin-reversals through the stack, ready for immediate injection into the atomizing high pressure steam or airstream burner mechanism. The clockwise and anticlockwise disks, each with an integral separator neck, are simple to cut and are easy to replace when required by wear, clogging or change of fuel. A low-demand water injection mechanism cuts off the water injection as the diesel engine slows down to a nominal rpm just above idle speed, to eliminate the problem of water-injection-caused stalling at idle speeds.
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Erh Liu
Zhi-qiang Xie
Cooley Charles
Scherbel David A.
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