JPH0268379A - 圧力ディフューザの逆洗式スクリーン及び該スクリーンの逆洗方法 - Google Patents
圧力ディフューザの逆洗式スクリーン及び該スクリーンの逆洗方法Info
- Publication number
- JPH0268379A JPH0268379A JP1193790A JP19379089A JPH0268379A JP H0268379 A JPH0268379 A JP H0268379A JP 1193790 A JP1193790 A JP 1193790A JP 19379089 A JP19379089 A JP 19379089A JP H0268379 A JPH0268379 A JP H0268379A
- Authority
- JP
- Japan
- Prior art keywords
- pulp
- screen
- container
- piston
- liquid
- 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.)
- Granted
Links
- 238000011001 backwashing Methods 0.000 title claims description 36
- 238000000034 method Methods 0.000 title claims description 14
- 239000007788 liquid Substances 0.000 claims abstract description 59
- 230000035939 shock Effects 0.000 claims abstract description 11
- 230000006835 compression Effects 0.000 claims abstract description 9
- 238000007906 compression Methods 0.000 claims abstract description 9
- 230000009471 action Effects 0.000 claims description 9
- 238000000605 extraction Methods 0.000 claims description 6
- 238000005056 compaction Methods 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 4
- 238000004061 bleaching Methods 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 description 7
- 241000239290 Araneae Species 0.000 description 4
- 238000005406 washing Methods 0.000 description 3
- 239000002002 slurry Substances 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 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
- B01D33/01—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons
- B01D33/03—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with vibrating filter elements
- B01D33/0307—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with vibrating filter elements with bag, cage, hose, tube, sleeve or the like filtering elements
- B01D33/0315—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with vibrating filter elements with bag, cage, hose, tube, sleeve or the like filtering elements arranged for inward flow filtration
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/02—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents
- D21C9/04—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents in diffusers ; Washing of pulp of fluid consistency without substantially thickening
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
- D21D1/00—Methods of beating or refining; Beaters of the Hollander type
- D21D1/20—Methods of refining
- D21D1/40—Washing the fibres
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F1/00—Wet end of machines for making continuous webs of paper
- D21F1/66—Pulp catching, de-watering, or recovering; Re-use of pulp-water
-
- 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
- B01D33/01—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons
- B01D33/03—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with vibrating filter elements
- B01D33/0307—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with vibrating filter elements with bag, cage, hose, tube, sleeve or the like filtering elements
- B01D33/033—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with vibrating filter elements with bag, cage, hose, tube, sleeve or the like filtering elements arranged for outward 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
- B01D33/35—Filters with filtering elements which move during the filtering operation with multiple filtering elements characterised by their mutual disposition
- B01D33/37—Filters with filtering elements which move during the filtering operation with multiple filtering elements characterised by their mutual disposition in parallel connection
- B01D33/39—Filters with filtering elements which move during the filtering operation with multiple filtering elements characterised by their mutual disposition in parallel connection concentrically or coaxially
-
- 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
- B01D33/48—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
-
- 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
- B01D33/60—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element for washing
-
- 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
- B01D33/70—Filters with filtering elements which move during the filtering operation having feed or discharge devices
- B01D33/76—Filters with filtering elements which move during the filtering operation having feed or discharge devices for discharging the filter cake, e.g. chutes
- B01D33/763—Filters with filtering elements which move during the filtering operation having feed or discharge devices for discharging the filter cake, e.g. chutes for continuously discharging concentrated liquid
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Earth Drilling (AREA)
- Eye Examination Apparatus (AREA)
- Filtration Of Liquid (AREA)
- Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US233,366 | 1988-08-18 | ||
| US07/233,366 US4908896A (en) | 1987-11-27 | 1988-08-18 | Backflushing pressure diffuser screens |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0268379A true JPH0268379A (ja) | 1990-03-07 |
| JPH0437195B2 JPH0437195B2 (enExample) | 1992-06-18 |
Family
ID=22876943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1193790A Granted JPH0268379A (ja) | 1988-08-18 | 1989-07-26 | 圧力ディフューザの逆洗式スクリーン及び該スクリーンの逆洗方法 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4908896A (enExample) |
| EP (1) | EP0356415B1 (enExample) |
| JP (1) | JPH0268379A (enExample) |
| AT (1) | ATE117386T1 (enExample) |
| BR (1) | BR8904117A (enExample) |
| DE (1) | DE68920668T2 (enExample) |
| FI (1) | FI92415C (enExample) |
| NO (1) | NO174782C (enExample) |
| SE (1) | SE468678B (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011038235A (ja) * | 2009-08-03 | 2011-02-24 | Andritz Technology & Asset Management Gmbh | プレッシャーディフューザーの内部ガイド |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE462435B (sv) * | 1988-11-11 | 1990-06-25 | Kamyr Ab | Saett att stabilisera tryck- och floedesfoerhaallandena i en silapparat och silapparat haerfoer |
| US5129119A (en) * | 1991-04-09 | 1992-07-14 | Glentech Inc. | Diffuser efficiency |
| US5567262A (en) * | 1991-04-16 | 1996-10-22 | Ahlstrom Machinery Inc. | Two stage pressure diffuser |
| US5187956A (en) * | 1991-06-20 | 1993-02-23 | Kamyr, Inc. | Preventing clogging in pressure diffusers |
| US5444884A (en) * | 1994-07-15 | 1995-08-29 | Kamyr, Inc. | Controlling screen backflush and wash distribution in a pressure diffuser |
| SE9901668A0 (en) | 1998-05-07 | 2000-11-07 | J Robert Prough | Plate diffuser for treating comminuted cellulosic fibrous material |
| WO2011025412A1 (en) * | 2009-08-25 | 2011-03-03 | Metso Fiber Karlstad Ab | Pressure diffuser with less power rating in hydraulic system |
| CN102877345A (zh) * | 2012-10-31 | 2013-01-16 | 江苏大唐机械有限公司 | 造纸原料洗涤脱水设备 |
| US8888958B2 (en) * | 2012-12-31 | 2014-11-18 | Andritz Inc. | Pressure diffuser with an annular baffle screen plate over water inlet |
| CN106237687A (zh) * | 2015-08-29 | 2016-12-21 | 无锡亮慧环保机械有限公司 | 浮动气浮式振动过滤结构 |
| CN106237689A (zh) * | 2015-08-29 | 2016-12-21 | 无锡亮慧环保机械有限公司 | 浮动气浮式抗污染型振动过滤结构 |
| CN106237688A (zh) * | 2015-08-29 | 2016-12-21 | 无锡亮慧环保机械有限公司 | 抗污染的气浮振动过滤结构 |
| CN116173593B (zh) * | 2023-04-24 | 2023-08-01 | 惠州市宝惠电子科技有限公司 | 变压器浸油过滤装置 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE394821B (sv) * | 1975-04-15 | 1977-07-11 | Kamyr Ab | Sett och anordning for avvattning av suspensioner i rorelse |
| SE394822B (sv) * | 1975-04-15 | 1977-07-11 | Kamyr Ab | Sett och anordning for avvattning av suspensioner i rorelse |
| US4172037A (en) * | 1975-10-10 | 1979-10-23 | Kamyr Inc. | Continuous process diffuser |
| SE435400B (sv) * | 1980-01-10 | 1984-09-24 | Kamyr Ab | Silanordning for avdrag av vetska fran suspensioner i rorelse |
| FI68686C (fi) * | 1980-01-10 | 1985-10-10 | Kamyr Ab | Anordning foer behandling av stroemmande suspensioner |
| CA1173603A (en) * | 1980-12-31 | 1984-09-04 | Kamyr, Ab | Pressure diffuser controlling |
| GB2159725B (en) * | 1984-06-09 | 1988-06-02 | Klimatank Holdings Limited | Filter apparatus |
| US4793161A (en) * | 1987-11-27 | 1988-12-27 | Kamyr Ab | Effective diffuser/thickener screen backflushing |
-
1988
- 1988-08-18 US US07/233,366 patent/US4908896A/en not_active Expired - Lifetime
-
1989
- 1989-07-06 AT AT89890182T patent/ATE117386T1/de not_active IP Right Cessation
- 1989-07-06 EP EP89890182A patent/EP0356415B1/en not_active Expired - Lifetime
- 1989-07-06 DE DE68920668T patent/DE68920668T2/de not_active Expired - Fee Related
- 1989-07-26 JP JP1193790A patent/JPH0268379A/ja active Granted
- 1989-08-03 SE SE8902653A patent/SE468678B/sv not_active IP Right Cessation
- 1989-08-15 FI FI893836A patent/FI92415C/fi active IP Right Grant
- 1989-08-16 BR BR898904117A patent/BR8904117A/pt not_active IP Right Cessation
- 1989-08-17 NO NO893301A patent/NO174782C/no not_active IP Right Cessation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011038235A (ja) * | 2009-08-03 | 2011-02-24 | Andritz Technology & Asset Management Gmbh | プレッシャーディフューザーの内部ガイド |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0356415A2 (en) | 1990-02-28 |
| ATE117386T1 (de) | 1995-02-15 |
| NO174782B (no) | 1994-03-28 |
| FI893836A0 (fi) | 1989-08-15 |
| EP0356415B1 (en) | 1995-01-18 |
| NO893301L (no) | 1990-02-19 |
| DE68920668T2 (de) | 1995-07-06 |
| JPH0437195B2 (enExample) | 1992-06-18 |
| FI893836A7 (fi) | 1990-02-19 |
| SE8902653D0 (sv) | 1989-08-03 |
| NO174782C (no) | 1994-07-06 |
| FI92415C (fi) | 1994-11-10 |
| SE468678B (sv) | 1993-03-01 |
| EP0356415A3 (en) | 1991-08-28 |
| FI92415B (fi) | 1994-07-29 |
| DE68920668D1 (de) | 1995-03-02 |
| SE8902653L (sv) | 1990-02-19 |
| NO893301D0 (no) | 1989-08-17 |
| BR8904117A (pt) | 1990-04-10 |
| US4908896A (en) | 1990-03-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |