FI111812B - Filtrerförfarande - Google Patents
Filtrerförfarande Download PDFInfo
- Publication number
- FI111812B FI111812B FI20002695A FI20002695A FI111812B FI 111812 B FI111812 B FI 111812B FI 20002695 A FI20002695 A FI 20002695A FI 20002695 A FI20002695 A FI 20002695A FI 111812 B FI111812 B FI 111812B
- Authority
- FI
- Finland
- Prior art keywords
- filter cake
- filtration
- filter
- medium
- drying
- Prior art date
Links
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
- B01D33/044—Filters with filtering elements which move during the filtering operation with filtering bands or the like supported on cylinders which are pervious for filtering
- B01D33/048—Filters with filtering elements which move during the filtering operation with filtering bands or the like supported on cylinders which are pervious for filtering with endless filtering bands
-
- 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
- B01D33/15—Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces
- B01D33/21—Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces with hollow filtering discs transversely mounted on a hollow rotary shaft
-
- 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
- B01D33/58—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element
- B01D33/62—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element for drying
- B01D33/66—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element for drying by gases or by heating
- B01D33/663—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element for drying by gases or by heating by direct contact with a fluid
-
- 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
- B01D33/80—Accessories
- B01D33/804—Accessories integrally combined with devices for controlling the filtration
- B01D33/808—Accessories integrally combined with devices for controlling the filtration by pressure measuring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D37/00—Processes of filtration
- B01D37/04—Controlling the filtration
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
- Filtering Materials (AREA)
- Drying Of Solid Materials (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Claims (9)
1. Filtrerförfarande vid vilket materialet som skall filtreras bringas i kontakt med filterytan av ett intermedium som anordnats i en sugtorkningsapparat och en filterkaka bildas pä filtermediets filteryta och filterkakan utsätts för torkning efter : bildandet innan filterkakan avlägsnas frän filtermediets filteryta, kännetecknat ' 20 av att vid torkning av filterkakan genomförs ätminstone ett steg (12,22,32,42) ‘ under vilket strömning av gas genom filtermediet förhindras och ätminstone ett / torkningssteg (13,23,33,44) under vilket gas strömmar genom filtermediet.
2. Filtrerförfarande enligt patentkrav 1, kännetecknat av att tryckskillnaden .. . 25 mellan den omgivande atmosfären och vätskan i materialet som skall filtreras ’·. ’t regleras under de skilda torkningsstegen.
3. Filtrerförfarande enligt patentkrav 1 eller 2, kännetecknat av att torkning av filterkakan inleds med ett torkningssteg (12,22,32,42) under vilket gasströmning ‘ ’ 30 genom filtermediet är förhindrad. 11 111812
4. Filtrerförfarande enligt patentkrav 1, 2 eller 3, kännetecknat av att det steg (13,23,33,44 ) för torkning av filterkakan under vilket gas strömmar genom filtermediet genomförs mellan tva torkningssteg, da gasströmning genom filtermediet är förhindrad. 5
5. Filtrerförfarande enligt patentkrav 1, 2 eller 3, kännetecknat av att tvättning (43) av filterkakan utförs mellan det steg (12,22,32,42) för torkning av filterkakan under vilket gasströmning genom filtermediet är förhindrad och det steg (13,23,33,44 ) för torkning av filterkakan under vilket gas strömmar genom 10 filtermediet.
6. Filtrerförfarande enligt nägot av de föregäende patentkraven, kännetetecknat av att filterkakans torkningssteg genomförs i sluten atmosfär (6). 15
7. Filtrerförfarande enligt patentkrav 6, kännetecknat av att filterkakans torkningssteg genomförs i inert atmosfär.
• 8. Filtrerförfarande enligt patentkrav 6, kännetecknat av att filterkakans 20 torkningssteg genomförs i reducerande förhällanden.
9. Filtrerförfarande enligt patentkrav 6, kännetecknat av att filterkakans ! torkningssteg genomförs i oxiderande förhällanden. a · 1 · >
Priority Applications (15)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20002695A FI111812B (sv) | 2000-12-08 | 2000-12-08 | Filtrerförfarande |
PE2001001200A PE20020569A1 (es) | 2000-12-08 | 2001-11-29 | Metodo de filtracion |
CA002430194A CA2430194A1 (en) | 2000-12-08 | 2001-12-07 | Filtering method |
MXPA03005110A MXPA03005110A (es) | 2000-12-08 | 2001-12-07 | Metodo de filtracion. |
EP01999411A EP1339473A1 (en) | 2000-12-08 | 2001-12-07 | Filtering method |
BR0115901-1A BR0115901A (pt) | 2000-12-08 | 2001-12-07 | Método de filtração |
AU2002217168A AU2002217168A1 (en) | 2000-12-08 | 2001-12-07 | Filtering method |
US10/433,853 US20040069722A1 (en) | 2000-12-08 | 2001-12-07 | Filtering method |
JP2002547589A JP2004515340A (ja) | 2000-12-08 | 2001-12-07 | 濾過方法 |
CNB018202004A CN1291771C (zh) | 2000-12-08 | 2001-12-07 | 过滤方法 |
PCT/FI2001/001062 WO2002045814A1 (en) | 2000-12-08 | 2001-12-07 | Filtering method |
EA200300650A EA004598B1 (ru) | 2000-12-08 | 2001-12-07 | Способ фильтрации |
KR10-2003-7007643A KR20030067698A (ko) | 2000-12-08 | 2001-12-07 | 여과 방법 |
ZA200304049A ZA200304049B (en) | 2000-12-08 | 2003-05-26 | Filtering method. |
NO20032563A NO20032563L (no) | 2000-12-08 | 2003-06-05 | Filtreringsfremgangsmåte |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20002695 | 2000-12-08 | ||
FI20002695A FI111812B (sv) | 2000-12-08 | 2000-12-08 | Filtrerförfarande |
Publications (3)
Publication Number | Publication Date |
---|---|
FI20002695A0 FI20002695A0 (sv) | 2000-12-08 |
FI20002695A FI20002695A (sv) | 2002-06-09 |
FI111812B true FI111812B (sv) | 2003-09-30 |
Family
ID=8559674
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI20002695A FI111812B (sv) | 2000-12-08 | 2000-12-08 | Filtrerförfarande |
Country Status (15)
Country | Link |
---|---|
US (1) | US20040069722A1 (sv) |
EP (1) | EP1339473A1 (sv) |
JP (1) | JP2004515340A (sv) |
KR (1) | KR20030067698A (sv) |
CN (1) | CN1291771C (sv) |
AU (1) | AU2002217168A1 (sv) |
BR (1) | BR0115901A (sv) |
CA (1) | CA2430194A1 (sv) |
EA (1) | EA004598B1 (sv) |
FI (1) | FI111812B (sv) |
MX (1) | MXPA03005110A (sv) |
NO (1) | NO20032563L (sv) |
PE (1) | PE20020569A1 (sv) |
WO (1) | WO2002045814A1 (sv) |
ZA (1) | ZA200304049B (sv) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104667612A (zh) * | 2015-03-09 | 2015-06-03 | 苏州洛特兰新材料科技有限公司 | 新型陶瓷过滤装置 |
CN104922963A (zh) * | 2015-06-18 | 2015-09-23 | 四川欧迅能源工程科技有限公司 | 采用超声波陶瓷过滤机分离装置过滤钻井泥浆的工艺方法 |
EP3606637A1 (en) * | 2017-04-07 | 2020-02-12 | H. Lundbeck A/S | Apparatus and method for isolation and/or preparation of particles |
CN107875724A (zh) * | 2017-12-27 | 2018-04-06 | 洛阳矿山机械工程设计研究院有限责任公司 | 一种用于滤饼洗涤的过滤机分配头 |
US11000791B2 (en) * | 2019-03-06 | 2021-05-11 | Veolia Water Solutions & Technologies Support | Rotary disc filter having backwash guides |
CN115445290A (zh) * | 2022-09-13 | 2022-12-09 | 天华化工机械及自动化研究设计院有限公司 | 一种降低压力过滤机滤饼湿含量的方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2558794C3 (de) * | 1975-12-24 | 1981-06-25 | Bergwerksverband Gmbh, 4300 Essen | Verfahren zum Entwässern von Suspensionen mittels mit Unterdruck arbeitender Filter und Filter zur Durchführung des Verfahrens |
FI68005C (fi) * | 1980-09-30 | 1985-07-10 | Rauma Repola Oy | Foerfarande foer tjockning av massa eller suspension och skivfilter foer tillaempning av foerfarandet |
SE451948B (sv) * | 1985-05-02 | 1987-11-09 | Hedemora Ab | Filter for kontinuerlig filtrering under tryck av en suspension |
DE3629805C2 (de) * | 1986-09-02 | 1996-03-21 | Reinhard Dr Ing Bott | Verfahren zum Bilden und Entfeuchten eines aus Feststoffpartikeln aufgebauten porösen Filterkuchens und Vorrichtung zur Durchführung des Verfahrens |
FI80386C (sv) * | 1988-05-06 | 1990-06-11 | Valmet Paper Machinery Inc | Filtreringsförfarande och anordning för användning vid förfarandet |
US6409929B2 (en) * | 1992-11-11 | 2002-06-25 | Bokela Ingenieurgesellschaft Fur Mechanische Verfahrenstechnik Mbh | Steam drying of rotary filter cakes without crack formation |
-
2000
- 2000-12-08 FI FI20002695A patent/FI111812B/sv not_active IP Right Cessation
-
2001
- 2001-11-29 PE PE2001001200A patent/PE20020569A1/es not_active Application Discontinuation
- 2001-12-07 EP EP01999411A patent/EP1339473A1/en not_active Withdrawn
- 2001-12-07 CN CNB018202004A patent/CN1291771C/zh not_active Expired - Lifetime
- 2001-12-07 US US10/433,853 patent/US20040069722A1/en not_active Abandoned
- 2001-12-07 MX MXPA03005110A patent/MXPA03005110A/es unknown
- 2001-12-07 AU AU2002217168A patent/AU2002217168A1/en not_active Abandoned
- 2001-12-07 CA CA002430194A patent/CA2430194A1/en not_active Abandoned
- 2001-12-07 JP JP2002547589A patent/JP2004515340A/ja not_active Withdrawn
- 2001-12-07 WO PCT/FI2001/001062 patent/WO2002045814A1/en not_active Application Discontinuation
- 2001-12-07 EA EA200300650A patent/EA004598B1/ru not_active IP Right Cessation
- 2001-12-07 BR BR0115901-1A patent/BR0115901A/pt not_active Application Discontinuation
- 2001-12-07 KR KR10-2003-7007643A patent/KR20030067698A/ko not_active Application Discontinuation
-
2003
- 2003-05-26 ZA ZA200304049A patent/ZA200304049B/en unknown
- 2003-06-05 NO NO20032563A patent/NO20032563L/no not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
NO20032563D0 (no) | 2003-06-05 |
WO2002045814A1 (en) | 2002-06-13 |
JP2004515340A (ja) | 2004-05-27 |
BR0115901A (pt) | 2004-02-25 |
FI20002695A (sv) | 2002-06-09 |
EP1339473A1 (en) | 2003-09-03 |
KR20030067698A (ko) | 2003-08-14 |
PE20020569A1 (es) | 2002-07-26 |
US20040069722A1 (en) | 2004-04-15 |
CN1479643A (zh) | 2004-03-03 |
CA2430194A1 (en) | 2002-06-13 |
EA200300650A1 (ru) | 2003-12-25 |
ZA200304049B (en) | 2004-02-12 |
FI20002695A0 (sv) | 2000-12-08 |
EA004598B1 (ru) | 2004-06-24 |
MXPA03005110A (es) | 2003-09-05 |
AU2002217168A1 (en) | 2002-06-18 |
CN1291771C (zh) | 2006-12-27 |
NO20032563L (no) | 2003-07-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MA | Patent expired |