SE421939B - Forfarande for bakvattenhantering - Google Patents

Forfarande for bakvattenhantering

Info

Publication number
SE421939B
SE421939B SE8004199A SE8004199A SE421939B SE 421939 B SE421939 B SE 421939B SE 8004199 A SE8004199 A SE 8004199A SE 8004199 A SE8004199 A SE 8004199A SE 421939 B SE421939 B SE 421939B
Authority
SE
Sweden
Prior art keywords
backwater
fraction
returned
concentration
grinding mill
Prior art date
Application number
SE8004199A
Other languages
English (en)
Swedish (sv)
Other versions
SE8004199L (enEXAMPLES
Inventor
C J N Hakanson
Original Assignee
Karlstad Mekaniska Ab
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 Karlstad Mekaniska Ab filed Critical Karlstad Mekaniska Ab
Priority to SE8004199A priority Critical patent/SE421939B/sv
Priority to CA000378517A priority patent/CA1145176A/en
Publication of SE8004199L publication Critical patent/SE8004199L/
Publication of SE421939B publication Critical patent/SE421939B/sv
Priority to US06/532,229 priority patent/US4504358A/en

Links

Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21FPAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F1/00Wet end of machines for making continuous webs of paper
    • D21F1/66Pulp catching, de-watering, or recovering; Re-use of pulp-water
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21FPAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F9/00Complete machines for making continuous webs of paper
    • D21F9/003Complete machines for making continuous webs of paper of the twin-wire type

Landscapes

  • Paper (AREA)
SE8004199A 1980-06-05 1980-06-05 Forfarande for bakvattenhantering SE421939B (sv)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SE8004199A SE421939B (sv) 1980-06-05 1980-06-05 Forfarande for bakvattenhantering
CA000378517A CA1145176A (en) 1980-06-05 1981-05-28 Method and apparatus for handling white water in a twin-wire machine
US06/532,229 US4504358A (en) 1980-06-05 1983-09-14 Apparatus for handling white water in a twin-wire machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8004199A SE421939B (sv) 1980-06-05 1980-06-05 Forfarande for bakvattenhantering

Publications (2)

Publication Number Publication Date
SE8004199L SE8004199L (enEXAMPLES) 1981-12-06
SE421939B true SE421939B (sv) 1982-02-08

Family

ID=20341147

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8004199A SE421939B (sv) 1980-06-05 1980-06-05 Forfarande for bakvattenhantering

Country Status (3)

Country Link
US (1) US4504358A (enEXAMPLES)
CA (1) CA1145176A (enEXAMPLES)
SE (1) SE421939B (enEXAMPLES)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI89728C (fi) * 1992-05-19 1993-11-10 Pom Dev Oy Ab Foerfarande och anlaeggning foer cirkulation av processvattnet i en pappersmaskin
WO2001021885A1 (en) * 1999-09-21 2001-03-29 Metso Paper, Inc. Regulation system for the short circulation and headbox of a paper machine or equivalent
DE10107328A1 (de) * 2001-02-16 2002-08-29 Voith Paper Patent Gmbh Verfahren und Vorrichtung zum Abführen von Siebwasser
WO2011156487A1 (en) * 2010-06-11 2011-12-15 Luzena America, Inc. Method for contaminant removal in paper production

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3846232A (en) * 1973-03-23 1974-11-05 Valmet Oy Twin-wire paper forming with wires wrapping around a suction web-forming breast roll and then following a curved path to a suction couch roll
SE362672B (enEXAMPLES) * 1971-10-15 1973-12-17 Karlstad Mekaniska Ab
US3846233A (en) * 1972-09-11 1974-11-05 Valmet Oy Papermaking machine having a single wire run and a double wire run over a downwardly curving dewatering box
US3884756A (en) * 1973-09-27 1975-05-20 Beloit Corp Multi-ply linerboard machine with vertical and horizontal forming runs
CH560651A5 (enEXAMPLES) * 1973-10-04 1975-04-15 Stoecklin & Cie
SE7317565L (enEXAMPLES) * 1973-12-28 1975-06-30 Selander Stig Daniel
US3951736A (en) * 1974-12-30 1976-04-20 Tadashi Kobayashi Single-layer and multi-layer paper making apparatus
JPS5319408A (en) * 1976-08-05 1978-02-22 Kobayashi Seisakusho Screening apparatus for thin leaf paper
US4267017A (en) * 1980-01-09 1981-05-12 Beloit Corporation Drainage roof for twin wire roll former

Also Published As

Publication number Publication date
SE8004199L (enEXAMPLES) 1981-12-06
CA1145176A (en) 1983-04-26
US4504358A (en) 1985-03-12

Similar Documents

Publication Publication Date Title
JP3354151B2 (ja) 抄紙機のバックウォータを循環する方法と装置
EP0251787B2 (en) Apparatus for thickening pulp and paper stock
US3823062A (en) Twin-wire papermaking employing stabilized stock flow and water filled seal(drainage)boxes
US2881676A (en) Paper or board machine and method
SE428811B (sv) Forfarande och anordning for framstellning av en flerskiktad pappersbana
US3865243A (en) Pressure strainer device
FI71361C (fi) Foerfarande och anordning foer tvaettning av fibermassa foer avlaegsnande av blaeck
EP1884592A1 (de) Verfahren zur Zuführung einer Faserstoffsuspension zu einem Stoffauflauf einer Papiermaschine
CA2089078C (en) Method and apparatus for stabilizing and simplifying an approach flow system for a paper-making machine
FI82497B (fi) Foerfarande och anordning foer rening av hoegkonsistensmassa.
SE410482B (sv) Forfarande och anordning vid en dubbelviraformare
ATE198917T1 (de) Nasspartie einer papiermaschiene
SE421939B (sv) Forfarande for bakvattenhantering
SE461990B (sv) Metod och apparat foer tvaettning av pappersmassa
GB2177129A (en) Method and apparatus for treating waste paper
EP0116009B1 (en) Continuous counterflow wood pulp fiber washing mechanism and method
EP0422314A1 (en) A method and device for the production of cellulose pulp of improved quality
US5470432A (en) Method and arrangement for the treatment of a fiber suspension
EP2452012B1 (en) Apparatus for screening fibre suspensions
IT8224912A1 (it) Metodo ed impianto per disaerare sospensioni di fiere
US4145249A (en) Shearing means for penetrating pulp stock on Fourdrinier machine
EP1115945B1 (en) Method and apparatus for washing fibre pulp mixture
FI102302B (fi) Menetelmä ja laite laatuominaisuuksiltaan parannetun selluloosamassan valmistamiseksi
FI83241B (fi) Foerfarande vid urvattning av en cellulosafibersuspension.
SU1388473A1 (ru) Способ первичной обработки луб ных волокон и устройство дл его осуществлени

Legal Events

Date Code Title Description
NAL Patent in force

Ref document number: 8004199-9

Format of ref document f/p: F

NUG Patent has lapsed

Ref document number: 8004199-9

Format of ref document f/p: F