Electrohydraulic and shear cavitation radial counterflow liquid processor
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C25D-017/00
C25D-017/10
B04B-005/10
C02F-001/461
B01D-019/00
C02F-001/00
C02F-001/48
출원번호
US-0234541
(2008-09-19)
등록번호
US-8268136
(2012-09-18)
발명자
/ 주소
McCutchen, Wilmot H.
McCutchen, David J.
출원인 / 주소
McCutchen, Co.
대리인 / 주소
Marger Johnson & McCollom, P.C.
인용정보
피인용 횟수 :
1인용 특허 :
105
초록▼
Axially fed fluid is sheared during long residence time in a radial workspace between counter-rotating coaxial disk-shaped centrifugal impellers. Gases evolve in the fractal turbulence of a shear layer, which is forced between laminar boundary layers, and an axial suction pump axially extracts evolv
Axially fed fluid is sheared during long residence time in a radial workspace between counter-rotating coaxial disk-shaped centrifugal impellers. Gases evolve in the fractal turbulence of a shear layer, which is forced between laminar boundary layers, and an axial suction pump axially extracts evolved noncondensables and volatiles through cores of radial vortices in the shear layer. Cavitation due to shear between the impellers kills pathogens by shock waves, microjets, OH radicals, and nearby UV light pulses. Oppositely charged electrodes bounding the workspace cause electroporesis and electrohydraulic cavitation. The electrodes are counter-rotating ridged armatures of disk dynamos, forming a dynamic capacitor having audio frequency pulsed electric fields. Electrode erosion by arcing is prevented by shear between the electrodes.
대표청구항▼
1. An apparatus for continuous liquid processing, comprising a radial workspace defined between coaxial counter-rotatable centrifugal impellers, the workspace comprising a periphery for exit of processed liquid from the workspace,said coaxial impellers being approximately parallel and having close s
1. An apparatus for continuous liquid processing, comprising a radial workspace defined between coaxial counter-rotatable centrifugal impellers, the workspace comprising a periphery for exit of processed liquid from the workspace,said coaxial impellers being approximately parallel and having close separation at the periphery and wider separation radially inward toward their axis of rotation;an axial feed port communicating with the workspace at the impeller axis of rotation;an axial exhaust port communicating with the workspace at the impeller axis of rotation;means for causing counter-rotation connected to the impellers; andan axial suction pump having its inlet communicating with the axial exhaust port. 2. The apparatus of claim 1, wherein the impellers comprise electrodes disposed in opposition across the workspace, and further comprising means for oppositely charging the electrodes during impeller counter-rotation. 3. The apparatus of claim 2, wherein the electrodes comprise rugose annuli disposed in opposition across the workspace near the periphery. 4. The apparatus of claim 3, wherein the rugose annular electrodes comprise radial ridges. 5. The apparatus of claim 2, wherein the means for oppositely charging the electrodes comprise an axial magnetic field through which the electrodes counter-rotate. 6. The apparatus of claim 1, wherein the impellers comprise rugose annuli, the rugose annuli of the impellers being disposed in opposition across the workspace. 7. The apparatus of claim 1, wherein the impellers comprise runners extending into the workspace. 8. The apparatus of claim 7, wherein the runners come to points of opposition across the workspace, the points of opposition moving radially outward as the impellers counter-rotate. 9. The apparatus of claim 1, wherein the means for causing counter-rotation of the impellers comprise peripheral drive wheels engaging both impellers simultaneously beyond the periphery of the workspace. 10. An apparatus for continuous liquid processing, comprising a radial workspace defined between a rotatable centrifugal impeller and a casing, the workspace comprising a periphery for exit of processed liquid from the workspace,said impeller and casing being approximately parallel and having close separation at the periphery and wider separation radially inward toward the impeller axis of rotation;an axial feed port communicating with the workspace at the impeller axis of rotation;an axial exhaust port communicating with the workspace at the impeller axis of rotation;means for causing rotation connected to the impeller; andan axial suction pump having its inlet communicating with the axial exhaust port. 11. The apparatus of claim 10, wherein the impeller and the casing comprise electrodes disposed in opposition across the workspace, and further comprising means for oppositely charging the electrodes during impeller rotation. 12. The apparatus of claim 11, wherein the electrodes comprise rugose annuli. 13. The apparatus of claim 12, wherein the rugose annular electrodes comprise radial ridges. 14. The apparatus of claim 11, wherein the means for oppositely charging the electrodes comprise an axial magnetic field through which the electrode on the impeller rotates. 15. The apparatus of claim 10, wherein the impellers comprise rugose annuli, the rugose annuli of the impellers being disposed in opposition across the workspace. 16. The apparatus of claim 10, wherein the impeller and the casing comprise runners extending into the workspace. 17. The apparatus of claim 16, wherein the runners come to points of opposition across the workspace, the points of opposition moving radially outward as the impeller rotates.
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