Swirl helical elements for a viscous impingement particle collection and hydraulic removal system
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B01D-046/00
B01D-045/16
출원번호
US-0250479
(2011-09-30)
등록번호
US-8940067
(2015-01-27)
발명자
/ 주소
Mueller, Fred J.
출원인 / 주소
Mueller Environmental Designs, Inc.
대리인 / 주소
Conley Rose, P.C.
인용정보
피인용 횟수 :
0인용 특허 :
65
초록▼
A system and methods for separating liquids, aerosols, and solids from a flowing gas stream whereby gas flows through a helical path formed in a separator element. Partially separated gas exits the bottom of the separator element at a generally conical cavity. Clean gas exits through an inner tube t
A system and methods for separating liquids, aerosols, and solids from a flowing gas stream whereby gas flows through a helical path formed in a separator element. Partially separated gas exits the bottom of the separator element at a generally conical cavity. Clean gas exits through an inner tube that is axially aligned beneath the helical path. Separated materials exit through an annular space between the inner tube and an outer tube. Separation occurs in the helical channels which include radially diverging walls to provide an aerodynamically efficient flow, in a region of high swirl created in a generally conical cavity beneath the separator element, and in a toroidal vortex ring created in the annular space. The area and geometry of the helical path, the conical cavity, and the inner and outer tubes is optimized to provide efficient separation at varying gas flow rates and at varying liquid loads.
대표청구항▼
1. A system for particle collection and hydraulic removal comprising: a vertically oriented outer tube;a generally cylindrical separator element disposed within and near the top of the outer tube;a vertically oriented inner tube axially aligned within the outer tube and axially spaced apart be neath
1. A system for particle collection and hydraulic removal comprising: a vertically oriented outer tube;a generally cylindrical separator element disposed within and near the top of the outer tube;a vertically oriented inner tube axially aligned within the outer tube and axially spaced apart be neaththe separator element, the inner and outer tubes forming an annular space therebetween; anda plurality of helical gas flow paths formed by radially diverging fins extending from the separator element, a rounded radius in the separator element between adjacent fins, and the interior of the outer tube;such that the annular space forms a flow path for liquid or particulate separated from the gas, and the inner tube forms a flow path for gas separated from the liquid or particulate. 2. The system of claim 1 wherein the helical gas flow paths have a combined cross-sectional area that exceeds the open cross-sectional area of the inner tube. 3. The system of claim 1 wherein: the generally cylindrical separator element has a central axis; andthe rounded radius between adjacent fins is located at a distance from the central axis of the separator element, which distance exceeds the inside radius of the inner tube. 4. The system of claim 1 wherein the bottom of the separator element forms a generally conical cavity. 5. The system of claim 1 wherein: the separator element has a diameter of about 4 inches and a height of about 2.5 inches; andthe inner tube is spaced apart beneath the separator element by a distance of about 2 inches. 6. The system of claim 1 wherein the helical gas flow paths have a generally bell-shaped cross section. 7. The system of claim 1 further comprising: a separator vessel with a gas stream inlet, a gas stream outlet, and a waste liquid sump;a waste liquid recovery tank hydraulically connected to the waste liquid sump;wherein the outer tube is located within the separator vessel and above the sump;such that liquid or particulate separated from the gas flows to the sump, and gas separated from the liquid or particulate flows from the inner tube to the gas stream outlet. 8. A system for particle collection and hydraulic removal comprising: a vertically oriented outer tube;a generally cylindrical separator element disposed within and near the top of the outer tube, the separator element having a height and a diameter, the height being less than 70 percent of the diameter,a vertically oriented inner tube having an open cross-sectional area, the inner tube being axially aligned within the outer tube and axially spaced apart beneath the separator element, the inner and outer tubes forming an annular space therebetween; anda plurality of helical gas flow paths formed by fins extending from the separator element, a rounded radius in the separator element between adjacent fins, and the interior of the outer tube;such that the annular space forms a flow path for liquid or particulate separated from the gas, and the inner tube forms a flow path for gas separated from the liquid or particulate. 9. The system of claim 8 wherein the helical gas flow paths have a combined cross-sectional area that exceeds the open cross-sectional area of the inner tube. 10. The system of claim 8 wherein: the generally cylindrical separator element has a central axis; andthe rounded radius between adjacent fins is located at a distance from the central axis of the separator element, which distance exceeds the inside radius of the inner tube. 11. The system of claim 8 wherein the bottom of the separator elementforms a generally conical cavity. 12. The system of claim 8 wherein: the separator element has a diameter of about 4 inches and a height of about 2.5 inches; andthe inner tube is spaced apart beneath the separator element by a distance of about 2 inches. 13. The system of claim 8 wherein the helical gas flow paths have a generally bell-shaped cross section. 14. The system of claim 8 wherein the helical gas flow paths have a rotational pitch angle of about 41 degrees. 15. The system of claim 8 further comprising: a separator vessel with a gas stream inlet, a gas stream outlet, and a waste liquid sump;a waste liquid recovery tank hydraulically connected to the waste liquid sump;wherein the outer tube is located within the separator vessel and above the sump;such that liquid or particulate separated from the gas flows to the sump, and gas separated from the liquid or particulate flows from the inner tube to the gas stream outlet. 16. A system for particle collection and hydraulic removal comprising: a vertically oriented outer tube;a generally cylindrical separator element disposed within and near the top of the outer tube, the separator element having a height, a diameter, and an outer circumference;a vertically oriented inner tube having an open cross-sectional area, the inner tube being axially aligned within the outer tube and axially spaced apart beneath the separator element, the inner and outer tubes forming an annular space therebetween; anda plurality of helical gas flow paths formed by fins extending from the separator element, a rounded radius in the separator element between adjacent fins, and the interior of the outer tube;wherein the helical gas flow paths turn an angle of about 90 degrees measured along the outer circumference of the separator element;such that the annular space forms a flow path for liquid or particulate separated from the gas, and the inner tube forms a flow path for gas separated from the liquid or particulate. 17. The system of claim 16 wherein the helical gas flow paths have a combined cross-sectional area that exceeds the open cross-sectional area of the inner tube. 18. The system of claim 16 wherein: the generally cylindrical separator element has a central axis; andthe rounded radius between adjacent fins is located at a distance from the central axis of the separator element, which distance exceeds the inside radius of the inner tube. 19. The system of claim 16 wherein the bottom of the separator element forms a generally conical cavity. 20. The system of claim 16 wherein: the separator element has a diameter of about 4 inches and a height of about 2.5 inches; andthe inner tube is spaced apart beneath the separator element by a distance of about 2 inches. 21. The system of claim 16 wherein the helical gas flow paths have a generally bell-shaped cross section. 22. The system of claim 16 wherein the helical gas flow paths have a rotational pitch angle of about 41 degrees. 23. The system of claim 16 further comprising: a separator vessel with a gas stream inlet; a gas stream outlet, and a waste liquid sump;a waste liquid recovery tank hydraulically connected to the waste liquid sump;wherein the outer tube is located within the separator vessel and above the sump;such that liquid or particulate separated from the gas flows to the sump, and gas separated from the liquid or particulate flows from the inner tube to the gas stream outlet.
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