EP1909941A1 - Self-cleaning filter - Google Patents
Self-cleaning filterInfo
- Publication number
- EP1909941A1 EP1909941A1 EP06792658A EP06792658A EP1909941A1 EP 1909941 A1 EP1909941 A1 EP 1909941A1 EP 06792658 A EP06792658 A EP 06792658A EP 06792658 A EP06792658 A EP 06792658A EP 1909941 A1 EP1909941 A1 EP 1909941A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- filtering membrane
- filter module
- disposed
- pleated
- conveyor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 238000004140 cleaning Methods 0.000 title description 5
- 239000012528 membrane Substances 0.000 claims abstract description 99
- 238000001914 filtration Methods 0.000 claims abstract description 85
- 239000012530 fluid Substances 0.000 claims abstract description 33
- 238000011045 prefiltration Methods 0.000 claims abstract description 9
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 4
- 125000006850 spacer group Chemical group 0.000 claims description 4
- 230000000284 resting effect Effects 0.000 claims description 2
- 239000000706 filtrate Substances 0.000 abstract description 9
- 239000012535 impurity Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000001223 reverse osmosis Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000001471 micro-filtration Methods 0.000 description 1
- 238000001728 nano-filtration Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/06—Tubular membrane modules
- B01D63/067—Tubular membrane modules with pleated membranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/13—Supported filter elements
- B01D29/15—Supported filter elements arranged for inward flow filtration
- B01D29/17—Supported filter elements arranged for inward flow filtration open-ended the arrival of the mixture to be filtered and the discharge of the concentrated mixture are situated on both opposite sides of the filtering element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/13—Supported filter elements
- B01D29/15—Supported filter elements arranged for inward flow filtration
- B01D29/21—Supported filter elements arranged for inward flow filtration with corrugated, folded or wound sheets
- B01D29/213—Supported filter elements arranged for inward flow filtration with corrugated, folded or wound sheets having a concertina shape
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
- B01D29/90—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for feeding
- B01D29/902—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for feeding containing fixed liquid displacement elements or cores
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/29—Filter cartridge constructions
- B01D2201/291—End caps
- B01D2201/293—Making of end caps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
- B01D2321/16—Use of chemical agents
- B01D2321/168—Use of other chemical agents
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT001553A ITMI20051553A1 (en) | 2005-08-05 | 2005-08-05 | SELF-CLEANING FILTER |
PCT/EP2006/064980 WO2007017446A1 (en) | 2005-08-05 | 2006-08-02 | Self-cleaning filter |
Publications (1)
Publication Number | Publication Date |
---|---|
EP1909941A1 true EP1909941A1 (en) | 2008-04-16 |
Family
ID=37607417
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06792658A Withdrawn EP1909941A1 (en) | 2005-08-05 | 2006-08-02 | Self-cleaning filter |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1909941A1 (en) |
IT (1) | ITMI20051553A1 (en) |
WO (1) | WO2007017446A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104389757B (en) * | 2014-10-18 | 2016-07-13 | 合肥多加农业科技有限公司 | A kind of paddy field device for fetching water |
CN109758812B (en) * | 2019-03-22 | 2021-06-22 | 上海诺净环保科技有限公司 | Intelligent integrated sewage treatment equipment |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4439815C2 (en) * | 1994-11-08 | 2001-06-07 | Mann & Hummel Filter | Filters, in particular liquid filters |
GB9609672D0 (en) * | 1996-05-09 | 1996-07-10 | Lucas Ind Plc | Filter |
DE10063881A1 (en) * | 2000-12-21 | 2002-06-27 | Mann & Hummel Filter | filter element |
-
2005
- 2005-08-05 IT IT001553A patent/ITMI20051553A1/en unknown
-
2006
- 2006-08-02 WO PCT/EP2006/064980 patent/WO2007017446A1/en active Application Filing
- 2006-08-02 EP EP06792658A patent/EP1909941A1/en not_active Withdrawn
Non-Patent Citations (1)
Title |
---|
See references of WO2007017446A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2007017446A1 (en) | 2007-02-15 |
WO2007017446B1 (en) | 2007-05-10 |
ITMI20051553A1 (en) | 2007-02-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR |
|
AX | Request for extension of the european patent |
Extension state: HR |
|
17P | Request for examination filed |
Effective date: 20080124 |
|
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
RAX | Requested extension states of the european patent have changed |
Extension state: HR Payment date: 20080124 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20090321 |