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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0428718 (2013-09-19) |
| 등록번호 | US-9815027 (2017-11-14) |
| 우선권정보 | AU-2012904222 (2012-09-27) |
| 국제출원번호 | PCT/US2013/060512 (2013-09-19) |
| 국제공개번호 | WO2014/052139 (2014-04-03) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 1 인용 특허 : 428 |
Disclosed herein are aspects and embodiments of an apparatus for providing gas slugs in a liquid. In one example, the apparatus comprises a housing defining a chamber, a bell tube including a wall and an open upper end disposed within the chamber, a riser tube including a wall, an open lower end, an
Disclosed herein are aspects and embodiments of an apparatus for providing gas slugs in a liquid. In one example, the apparatus comprises a housing defining a chamber, a bell tube including a wall and an open upper end disposed within the chamber, a riser tube including a wall, an open lower end, and a flared open upper end disposed within the bell tube, and a conduit defined between the wall of the bell tube and the wall of the riser tube and in fluid communication with an internal volume of the riser tube.
1. A gas scouring apparatus comprising: a housing defining a chamber;a bell tube having a lower end and an open upper end and including a wall that is tapered between the lower end and the open upper end, the open upper end disposed within the chamber and having a greater cross sectional area than t
1. A gas scouring apparatus comprising: a housing defining a chamber;a bell tube having a lower end and an open upper end and including a wall that is tapered between the lower end and the open upper end, the open upper end disposed within the chamber and having a greater cross sectional area than the lower end;a riser tube including a wall, a lower portion including an open lower end, and an upper portion including a flared open upper end, the lower portion disposed within the bell tube; anda conduit defined between the wall of the bell tube and the wall of the riser tube and in fluid communication with an internal volume of the riser tube. 2. The apparatus of claim 1, wherein the chamber includes an opening defined in a lower portion of the chamber. 3. The apparatus of claim 2, wherein the riser tube is tapered, the open lower end of the riser tube having a smaller cross sectional area than the open upper end of the riser tube. 4. The apparatus of claim 3, wherein the bell tube is centrally positioned within the chamber. 5. The apparatus of claim 4, wherein the lower portion of the riser tube is positioned concentrically within the bell tube. 6. The apparatus of claim 5, wherein a lower portion of the wall of the bell tube includes a stepped-in neck portion having an open bottom end. 7. The apparatus of claim 1, wherein the conduit includes a first opening within the chamber defined by a wall of the bell tube and a wall of the riser tube. 8. The apparatus of claim 7, wherein the conduit includes a second opening defined in an upper surface of the housing. 9. The apparatus of claim 8, wherein the second opening is above the first opening. 10. The apparatus of claim 9, wherein the second opening is the flared open upper end of the riser tube. 11. The apparatus of claim 10, wherein the conduit circumscribes the riser tube. 12. The apparatus of claim 11, further comprising a gas inlet configured and arranged to deliver gas into the chamber. 13. An assembly comprising: a membrane module including a filtration membrane secured in a membrane anchor; anda gas scouring apparatus positioned below the membrane anchor, the gas scouring apparatus including: a housing defining a chamber;a bell tube having a lower end and an upper end and including a wall that is tapered between the lower end and the open upper end, the open upper end disposed within the chamber and having a greater cross sectional area than the lower end;a riser tube including a wall, a lower portion including an open lower end, and an upper portion including a flared open upper end, the lower portion disposed within the bell tube; anda conduit defined between the wall of the bell tube and the wall of the riser tube and in fluid communication with an internal volume of the riser tube. 14. The assembly of claim 13, wherein a space is defined between the gas scouring apparatus and the membrane anchor. 15. The assembly of claim 14, further comprising a plurality of membrane modules. 16. The assembly of claim 15, wherein the plurality of membrane modules are mounted in a common manifold. 17. The assembly of claim 15, wherein the gas scouring apparatus is configured to deliver gas slugs to each of the plurality of membrane modules. 18. The assembly of claim 17, wherein the gas scouring apparatus is configured to deliver gas slugs having a cross sectional area greater than the combined cross sectional area of each of the plurality of membrane modules. 19. The assembly of claim 13, wherein the gas scouring apparatus is connected to the membrane anchor. 20. The assembly of claim 19, wherein the membrane anchor includes an aperture configured to direct gas from the gas scouring apparatus into the membrane module. 21. The assembly of claim 20, wherein the bell tube includes an open bottom end and the assembly further comprises a gas outlet positioned to supply gas into the open bottom end of the bell tube. 22. A method comprising: immersing a filtration assembly in a liquid to be filtered, the assembly including: a membrane module including a filtration membrane secured in a membrane anchor; anda gas scouring apparatus positioned below the membrane anchor, the gas scouring apparatus including: a housing defining a chamber;a bell tube having a lower end and an open upper end and including a wall that is tapered between the lower end and the open upper end, the open upper end disposed within the chamber and having a greater cross sectional area than the lower end;a riser tube including a wall, a lower portion including an open lower end, and an upper portion including a flared open upper end, the lower portion of the riser tube disposed within the bell tube; anda conduit defined between the wall of the bell tube and the wall of the riser tube and in fluid communication with an internal volume of the riser tube; andapplying a gas at a substantially constant rate into the chamber.
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