IT1214203B - Filtri rotativi sottovuoto a prerivestimento cosi' perfezionati. - Google Patents
Filtri rotativi sottovuoto a prerivestimento cosi' perfezionati.Info
- Publication number
- IT1214203B IT1214203B IT8783433A IT8343387A IT1214203B IT 1214203 B IT1214203 B IT 1214203B IT 8783433 A IT8783433 A IT 8783433A IT 8343387 A IT8343387 A IT 8343387A IT 1214203 B IT1214203 B IT 1214203B
- Authority
- IT
- Italy
- Prior art keywords
- perfected
- coating
- vacuum rotary
- rotary filters
- filters
- Prior art date
Links
- 239000011248 coating agent Substances 0.000 title 1
- 238000000576 coating method Methods 0.000 title 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/06—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums
- B01D33/073—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums arranged for inward flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/44—Regenerating the filter material in the filter
- B01D33/46—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element
- B01D33/463—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element nozzles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/44—Regenerating the filter material in the filter
- B01D33/46—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element
- B01D33/466—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element scrapers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/58—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element
- B01D33/68—Retarding cake deposition on the filter during the filtration period, e.g. using stirrers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/28—Position of the filtering element
- B01D2201/282—Filtering elements with a horizontal rotation or symmetry axis
-
- 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
- B01D29/62—Regenerating the filter material in the filter
- B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
- B01D29/68—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT8783433A IT1214203B (it) | 1987-08-07 | 1987-08-07 | Filtri rotativi sottovuoto a prerivestimento cosi' perfezionati. |
EP88106974A EP0302184A1 (en) | 1987-08-07 | 1988-04-30 | Rotary vacuum filter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT8783433A IT1214203B (it) | 1987-08-07 | 1987-08-07 | Filtri rotativi sottovuoto a prerivestimento cosi' perfezionati. |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8783433A0 IT8783433A0 (it) | 1987-08-07 |
IT1214203B true IT1214203B (it) | 1990-01-10 |
Family
ID=11321818
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT8783433A IT1214203B (it) | 1987-08-07 | 1987-08-07 | Filtri rotativi sottovuoto a prerivestimento cosi' perfezionati. |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0302184A1 (it) |
IT (1) | IT1214203B (it) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI84318C (fi) * | 1990-04-25 | 1991-11-25 | Ahlstroem Oy | Foerfarande och anordning foer foertjockning av mesaslam. |
US9919249B2 (en) | 2014-12-22 | 2018-03-20 | Vac-Tron Equipment, Llc | Method and system to recycle water for hydro-excavation |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE342052C (de) * | 1918-08-27 | 1921-10-15 | Rudolf Timm Dipl Ing | Verfahren zur Reinigung von Filterflaechen an umlaufenden Zellenfiltertrommeln mit innerer Spuelvorrichtung und im Massetrog arbeitendem Ruehrwerk |
US2221993A (en) * | 1939-02-13 | 1940-11-19 | Oliver United Filters Inc | Filter |
GB1335196A (en) * | 1970-12-01 | 1973-10-24 | Ishigaki Mech Ind | Scraping device |
SE422159B (sv) * | 1980-07-25 | 1982-02-22 | Per Olof Lundin | Sett och anordning vid filtrering av jest och annat vextcellmaterial pa roterande vakuumfilter |
-
1987
- 1987-08-07 IT IT8783433A patent/IT1214203B/it active
-
1988
- 1988-04-30 EP EP88106974A patent/EP0302184A1/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
EP0302184A1 (en) | 1989-02-08 |
IT8783433A0 (it) | 1987-08-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19970829 |