Claims
- 1. A method of obtaining a free disperse system in liquid, comprising:
- the passage of a hydrodynamic flow of components through a flow channel internally accommodating a single baffle body providing a local constriction of the hydrodynamic flow;
- the creation of a local constriction of the flow in a single section of the flow channel emanating from the condition of maintaining the ratio of the cross-sectional portion of the hydrodynamic flow in the local constriction to the cross-sectional portion of the flow in the flow channel to 0.8 or less;
- maintaining the velocity of the hydrodynamic flow of components in the local constriction to at least 14 meters/second, providing for the development of a hydrodynamic cavitation field downstream from the baffle body having a degree of cavitation of at least 0.1;
- processing the flow of components mixture in the hydrodynamic cavitation field, downstream from the baffle body.
- 2. A method according to claim 1,
- wherein the local flow constriction of the components mixture created on the periphery of the flow, its path accommodated by the baffle body, is established at or near to the center of the flow-through passage.
- 3. A method according to claim 1,
- wherein the local flow constriction of the components mixture created in or near the center of the flow, its path accommodated by the baffle body, is established near the walls of the flow-through passage.
- 4. A method for obtaining a free disperse system in liquid comprising the steps of:
- establishing a hydrodynamic flow of first and second components through a housing comprising an inlet and an outlet communicating with the open ends of a channel having a first portion, the flow through the first portion having a first cross-sectional areas, A1;
- directing the flow of the components through a second portion of the channel, the flow through the second portion having a second cross-sectional areas, A2, A2/A1 being between 0.5 and 0.8;
- maintaining the flow of the components through the second portion at a velocity of at least 14 meters/second;
- creating a hydrodynamic cavitation field in the channel downstream from the second portion;
- passing the first and second components through the cavitation field; and
- discharging the flow of components through the outlet.
- 5. The method of claim 1 wherein the cavitation field has a degree of cavitation of at least 0.1.
- 6. The method of claim 4 wherein said housing further comprises a convergent nozzle disposed between the inlet and the channel and wherein the step of establishing a hydrodynamic flow further comprises passing the components through the convergent nozzle before passing the components through the channel.
- 7. The method of claim 4 wherein the housing further comprises a divergent nozzle disposed between the channel and the outlet, the method further comprising the step of passing the flow of components through the divergent nozzle before the step of discharging the flow of components through the outlet.
- 8. The method of claim 4 wherein the step of directing the flow of the components through the second portion of the channel comprises passing the components around a baffle body established at or near the center of the channel.
- 9. The method of claim 8 wherein the baffle body comprises a frustrum-conical shape.
- 10. The method of claim 8 wherein the baffle body comprises a spherical shape.
- 11. The method of claim 8 wherein the baffle body comprises an ellipsoid shape.
- 12. The method of claim 8 wherein the baffle body comprises an impeller.
- 13. The method of claim 8 wherein the step of directing the flow of the components through the second portion of the channel further comprises rotating the hydrodynamic flow around the baffle body.
- 14. The method of claim 4 wherein the step of directing the flow of the components through the second portion of the flow-through channel comprises passing the components around a baffle body established at or near a wall of the channel.
- 15. The method of claim 14 wherein the baffle body comprises a disc having a central opening therein, the disc being transverse to the flow.
- 16. The method of claim 14 wherein the baffle body comprises a disc having a plurality of openings therein, the disc being transverse to the flow.
- 17. The method of claim 14 wherein the baffle body comprises a bushing having a conical internal wall surface.
- 18. The method of claim 14 wherein the baffle body comprises a bushing having a toroidal internal wall surface.
- 19. A device for obtaining a free disperse system of liquid components in a hydrodynamic flow comprising:
- a housing having a channel therein, an inlet for introducing the flow into the channel, and an outlet for discharging the flow from the channel, a first portion of the channel allowing passage of a first cross-sectional area, A1, of the flow therethrough, and a second portion of the channel allowing passage of a second cross-sectional area, A2, of the flow therethrough, A2/A1 being between 0.5 and 0.8; and,
- a single baffle body disposed within the second portion of the channel.
- 20. The device of claim 19 further comprising a hollow convergent nozzle disposed between the inlet and the channel.
- 21. The device of claim 19 further comprising a hollow divergent nozzle disposed between the channel and the outlet.
- 22. The device of claim 19 wherein the baffle body is located at or near the center of the channel.
- 23. The device of claim 22 wherein the baffle body comprises a frustum-conical shape.
- 24. The device of claim 22 wherein the baffle body comprises a spherical shape.
- 25. The device of claim 22 wherein the baffle body comprises an eliptoid shape.
- 26. The device of claim 22 wherein the baffle body comprises an impeller.
- 27. The device of claim 19 wherein the baffle body is located at or near a wall of the channel.
- 28. The device of claim 22 wherein the baffle body comprises a disc having a central opening therein, the disc being transverse to the flow.
- 29. The device of claim 22 wherein the baffle body comprises a disc having a plurality of openings therein, the disc being transverse to the flow.
- 30. The device of claim 22 wherein the baffle body comprises a bushing having a conical internal wall surface.
- 31. The device of claim 19 wherein the baffle body comprises a bushing having a toroidal internal wall surface.
- 32. A device for obtaining a free disperse system of liquid components in a hydrodynamic flow comprising:
- a housing having a channel therein, an inlet for introducing the flow into the channel, an outlet for discharging the flow from the channel, a hollow convergent nozzle disposed between the inlet and the channel, and a hollow divergent nozzle disposed between the channel and the outlet, a first portion of the channel allowing passage of the first cross-sectional area, A1, of the flow therethrough, and a second portion of the channel allowing passage of a second cross-sectional area, A2, of the flow therethrough, A2/A1 being between 0.5 and 0.8; and,
- a single baffle body disposed within the second portion of the channel.
Parent Case Info
This application is a continuation of application Ser. No. 08/602,069 filed Feb. 15, 1996 now abandoned.
US Referenced Citations (13)
Continuations (1)
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Number |
Date |
Country |
Parent |
602069 |
Feb 1996 |
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