FI105931B - Mekaniskt självrensande sil - Google Patents

Mekaniskt självrensande sil Download PDF

Info

Publication number
FI105931B
FI105931B FI973822A FI973822A FI105931B FI 105931 B FI105931 B FI 105931B FI 973822 A FI973822 A FI 973822A FI 973822 A FI973822 A FI 973822A FI 105931 B FI105931 B FI 105931B
Authority
FI
Finland
Prior art keywords
screen
sieve
primary
slits
cleaning
Prior art date
Application number
FI973822A
Other languages
English (en)
Finnish (fi)
Other versions
FI973822A0 (fi
FI973822A (sv
Inventor
Antti Sakari Herman Isola
Original Assignee
Bothnia P & P 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 Bothnia P & P Oy filed Critical Bothnia P & P Oy
Publication of FI973822A0 publication Critical patent/FI973822A0/fi
Priority to FI973822A priority Critical patent/FI105931B/sv
Priority to AU93519/98A priority patent/AU9351998A/en
Priority to ES98946493T priority patent/ES2148126T3/es
Priority to PCT/FI1998/000766 priority patent/WO1999016963A1/en
Priority to EP98946493A priority patent/EP1021614B1/en
Priority to PT98946493T priority patent/PT1021614E/pt
Priority to CA002343956A priority patent/CA2343956A1/en
Priority to US09/509,500 priority patent/US6312590B1/en
Publication of FI973822A publication Critical patent/FI973822A/sv
Application granted granted Critical
Publication of FI105931B publication Critical patent/FI105931B/sv

Links

Classifications

    • 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
    • B01D29/01—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 flat filtering elements
    • B01D29/03—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 flat filtering elements self-supporting
    • 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
    • B01D29/01—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 flat filtering elements
    • B01D29/05—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 flat filtering elements supported
    • 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
    • B01D29/44—Edge filtering elements, i.e. using contiguous impervious surfaces
    • B01D29/445—Bar screens
    • 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
    • B01D29/50—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 multiple filtering elements, characterised by their mutual disposition
    • B01D29/52—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 multiple filtering elements, characterised by their mutual disposition in parallel connection
    • 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
    • B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
    • B01D29/6469—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers
    • B01D29/6476—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers with a rotary movement with respect to 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
    • B01D29/62—Regenerating the filter material in the filter
    • B01D29/70—Regenerating the filter material in the filter by forces created by movement of the filter element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/04—Bending sheet metal along straight lines, e.g. to form simple curves on brakes making use of clamping means on one side of the work

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Paper (AREA)
  • Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)

Claims (7)

1 En mekaniskt självrensande sil kännetecknad av att den egentliga silkassetten bestär av tvä självständiga silelement, en primärsil (1 ) som är den filtrerande silen och en sekundärsil ( 6 ) som är den rengörande silen installerade efter varandra i cirkulationsströmmens riktning.
2 En mekaniskt självrensande sil som separerar flis, stickor och massa frän cirkulationsströmmen vid tillverkning av kemisk massa och papppersmassa enligt den sk. kontinuerliga metoden, kännetecknad av att rengöringen baserar sig pä en mekanisk skär- och skjutkraft, som ästadkommes da bett i sekundärsilen (6 ) tränger sig i primärsilens ( 1 ) spalter.
3 En sil enl. Patentkravet no:l kännetecknad av att de presitionsskurna spaltema i primärsilen ( 1 ) inte löper oavbrutet över hela silens längd, utan man har lämnat ett eller flera kompakta, oskuma ställen där en fasföskjutning (2 ) kan ordnas för spalterna.
4 En sil enl. Patentkravet no:l kännetecknad av att silen har tvä olika separeringspositioner, primärsilens ( 1 ) egen fixerad spalt och därtill en avsevärt smalare spalt, da bett i sekundärsilen ( 6 ) är skjutna i spaltema pä primärsilen ( 1 ).
5 En sil enl. Patentkravet no:2 kännetecknad av att silama kan röra pä ;·.! sig samtidigt eller sä att den ena är stationär och den andra är rörlig.
* • · • · · ; 6 En sil enl. Patentkravet no:2 kännetecknad av att kraften som • · · • ·’ ästadkommer den mekaniska skär- och skjutkraften är processtrycket, : ’·· en yttre kraft eller en kombination dem emellan ( 4, 10-13 ). • · · • · * • · · ♦
7 En sil enl. Patentkravet no:l kännetecknad av att profilen mellan ... spaltema i primärsilen (1 ) och sekundärsilens (6 ) bett kan tili sitt ’•m\' längsgäende profil vara raka eller konkava/ konvexa i förhällande tili v : ramen och tili tvärprofil symmetriska eller osymmetriska. « * • · < f · I « I < • ( « C I r liri C f . « K
FI973822A 1997-09-29 1997-09-29 Mekaniskt självrensande sil FI105931B (sv)

Priority Applications (8)

Application Number Priority Date Filing Date Title
FI973822A FI105931B (sv) 1997-09-29 1997-09-29 Mekaniskt självrensande sil
EP98946493A EP1021614B1 (en) 1997-09-29 1998-09-29 Mechanically cleanable screen
ES98946493T ES2148126T3 (es) 1997-09-29 1998-09-29 Tamiz que puede limpiarse mecanicamente.
PCT/FI1998/000766 WO1999016963A1 (en) 1997-09-29 1998-09-29 Mechanically cleanable screen
AU93519/98A AU9351998A (en) 1997-09-29 1998-09-29 Mechanically cleanable screen
PT98946493T PT1021614E (pt) 1997-09-29 1998-09-29 Ecra com limpeza mecanica
CA002343956A CA2343956A1 (en) 1997-09-29 1998-09-29 Mechanically cleanable screen
US09/509,500 US6312590B1 (en) 1997-09-29 1998-09-29 Mechanically cleanable screen

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI973822 1997-09-29
FI973822A FI105931B (sv) 1997-09-29 1997-09-29 Mekaniskt självrensande sil

Publications (3)

Publication Number Publication Date
FI973822A0 FI973822A0 (fi) 1997-09-29
FI973822A FI973822A (sv) 1999-03-30
FI105931B true FI105931B (sv) 2000-10-31

Family

ID=8549622

Family Applications (1)

Application Number Title Priority Date Filing Date
FI973822A FI105931B (sv) 1997-09-29 1997-09-29 Mekaniskt självrensande sil

Country Status (8)

Country Link
US (1) US6312590B1 (sv)
EP (1) EP1021614B1 (sv)
AU (1) AU9351998A (sv)
CA (1) CA2343956A1 (sv)
ES (1) ES2148126T3 (sv)
FI (1) FI105931B (sv)
PT (1) PT1021614E (sv)
WO (1) WO1999016963A1 (sv)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI118476B (sv) * 1999-10-26 2007-11-30 Metso Paper Inc Stångsil
US7736467B2 (en) * 2004-06-29 2010-06-15 Metso Paper Pori Oy Screen assembly for a pulp digester
US8172989B2 (en) * 2007-11-26 2012-05-08 Sunpower Corporation Prevention of substrate edge plating in a fountain plating process
SE531717C2 (sv) 2007-11-30 2009-07-21 Metso Fiber Karlstad Ab Kokarsil för en kontinuerlig cellulosamassakokare
US7431640B1 (en) * 2008-03-12 2008-10-07 International Business Machines Corporation Self-brushing air moving device
CN112774303B (zh) * 2021-01-05 2022-03-08 王振乾 一种环保型农田水利工程清理装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US452595A (en) * 1891-05-19 Friedrich correll
US864507A (en) * 1906-08-13 1907-08-27 Friedrich Brunotte Conveyer-grating.
US1874126A (en) * 1929-12-26 1932-08-30 Edwin R Schofield Bar screen
US2419155A (en) * 1944-02-19 1947-04-15 Union Screen Plate Company Wood pulp screen plate
GB1200208A (en) 1966-11-14 1970-07-29 Koehler Dayton A filter
SE354088B (sv) 1970-09-24 1973-02-26 Kamyr Ab
US3755072A (en) * 1970-10-23 1973-08-28 Kamyr Ab Strainer device for cellulose digester
SE433073B (sv) 1983-04-29 1984-05-07 Karl Johan Borje Hellman Anordning for rening av flytande medier, sasom avloppsvatten
US5277799A (en) * 1991-09-13 1994-01-11 Bransch Edward J Pump compartment screening arrangement for a tank
SE503981C2 (sv) 1994-12-22 1996-10-14 Kvaerner Pulping Tech Anordning för avskiljning av icke önskvärda partiklar från en suspensionsström

Also Published As

Publication number Publication date
US6312590B1 (en) 2001-11-06
FI973822A0 (fi) 1997-09-29
ES2148126T3 (es) 2004-04-01
ES2148126T1 (es) 2000-10-16
PT1021614E (pt) 2003-11-28
EP1021614B1 (en) 2003-07-09
FI973822A (sv) 1999-03-30
AU9351998A (en) 1999-04-23
CA2343956A1 (en) 1999-04-08
EP1021614A1 (en) 2000-07-26
WO1999016963A1 (en) 1999-04-08

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