FI111812B - Filtrerförfarande - Google Patents

Filtrerförfarande Download PDF

Info

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
Application number
FI20002695A
Other languages
English (en)
Finnish (fi)
Other versions
FI20002695A0 (sv
FI20002695A (sv
Inventor
Bjarne Ekberg
Olli Hoegnabba
Original Assignee
Outokumpu Oy
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Outokumpu Oy filed Critical Outokumpu Oy
Publication of FI20002695A0 publication Critical patent/FI20002695A0/sv
Priority to FI20002695A priority Critical patent/FI111812B/sv
Priority to PE2001001200A priority patent/PE20020569A1/es
Priority to KR10-2003-7007643A priority patent/KR20030067698A/ko
Priority to BR0115901-1A priority patent/BR0115901A/pt
Priority to CA002430194A priority patent/CA2430194A1/en
Priority to US10/433,853 priority patent/US20040069722A1/en
Priority to JP2002547589A priority patent/JP2004515340A/ja
Priority to PCT/FI2001/001062 priority patent/WO2002045814A1/en
Priority to CNB018202004A priority patent/CN1291771C/zh
Priority to AU2002217168A priority patent/AU2002217168A1/en
Priority to MXPA03005110A priority patent/MXPA03005110A/es
Priority to EP01999411A priority patent/EP1339473A1/en
Priority to EA200300650A priority patent/EA004598B1/ru
Publication of FI20002695A publication Critical patent/FI20002695A/sv
Priority to ZA200304049A priority patent/ZA200304049B/en
Priority to NO20032563A priority patent/NO20032563L/no
Application granted granted Critical
Publication of FI111812B publication Critical patent/FI111812B/sv

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)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (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 · >
FI20002695A 2000-12-08 2000-12-08 Filtrerförfarande FI111812B (sv)

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
CNB018202004A CN1291771C (zh) 2000-12-08 2001-12-07 过滤方法
AU2002217168A AU2002217168A1 (en) 2000-12-08 2001-12-07 Filtering method
CA002430194A CA2430194A1 (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
PCT/FI2001/001062 WO2002045814A1 (en) 2000-12-08 2001-12-07 Filtering method
KR10-2003-7007643A KR20030067698A (ko) 2000-12-08 2001-12-07 여과 방법
BR0115901-1A BR0115901A (pt) 2000-12-08 2001-12-07 Método de filtração
MXPA03005110A MXPA03005110A (es) 2000-12-08 2001-12-07 Metodo de filtracion.
EP01999411A EP1339473A1 (en) 2000-12-08 2001-12-07 Filtering method
EA200300650A EA004598B1 (ru) 2000-12-08 2001-12-07 Способ фильтрации
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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
EA200300650A1 (ru) 2003-12-25
FI20002695A0 (sv) 2000-12-08
WO2002045814A1 (en) 2002-06-13
EA004598B1 (ru) 2004-06-24
CN1291771C (zh) 2006-12-27
EP1339473A1 (en) 2003-09-03
AU2002217168A1 (en) 2002-06-18
NO20032563L (no) 2003-07-10
NO20032563D0 (no) 2003-06-05
US20040069722A1 (en) 2004-04-15
KR20030067698A (ko) 2003-08-14
CA2430194A1 (en) 2002-06-13
BR0115901A (pt) 2004-02-25
FI20002695A (sv) 2002-06-09
PE20020569A1 (es) 2002-07-26
CN1479643A (zh) 2004-03-03
ZA200304049B (en) 2004-02-12
MXPA03005110A (es) 2003-09-05
JP2004515340A (ja) 2004-05-27

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