IT1080675B - Sistema di controllo per il distributore di impasto a piu' canali di una macchina produttrice di carta - Google Patents

Sistema di controllo per il distributore di impasto a piu' canali di una macchina produttrice di carta

Info

Publication number
IT1080675B
IT1080675B IT25732/77A IT2573277A IT1080675B IT 1080675 B IT1080675 B IT 1080675B IT 25732/77 A IT25732/77 A IT 25732/77A IT 2573277 A IT2573277 A IT 2573277A IT 1080675 B IT1080675 B IT 1080675B
Authority
IT
Italy
Prior art keywords
control system
paper machine
channel mixing
mixing dispenser
dispenser
Prior art date
Application number
IT25732/77A
Other languages
English (en)
Original Assignee
Beloit Corp
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 Beloit Corp filed Critical Beloit Corp
Application granted granted Critical
Publication of IT1080675B publication Critical patent/IT1080675B/it

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G9/00—Other accessories for paper-making machines
    • D21G9/0009—Paper-making control systems
    • D21G9/0027—Paper-making control systems controlling the forming section
    • 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
    • D21F1/06—Regulating pulp flow
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S162/00—Paper making and fiber liberation
    • Y10S162/09—Uses for paper making sludge
    • Y10S162/10—Computer control of paper making variables
    • Y10S162/11—Wet end paper making variables
IT25732/77A 1976-07-16 1977-07-14 Sistema di controllo per il distributore di impasto a piu' canali di una macchina produttrice di carta IT1080675B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/705,828 US4086130A (en) 1976-07-16 1976-07-16 Control system and method for a multi-channel paper machine distributor

Publications (1)

Publication Number Publication Date
IT1080675B true IT1080675B (it) 1985-05-16

Family

ID=24835119

Family Applications (1)

Application Number Title Priority Date Filing Date
IT25732/77A IT1080675B (it) 1976-07-16 1977-07-14 Sistema di controllo per il distributore di impasto a piu' canali di una macchina produttrice di carta

Country Status (15)

Country Link
US (1) US4086130A (it)
JP (1) JPS5310705A (it)
AR (1) AR223637A1 (it)
BR (1) BR7704389A (it)
CA (1) CA1092681A (it)
DE (1) DE2732361C2 (it)
ES (1) ES460375A1 (it)
FI (1) FI62875C (it)
FR (1) FR2358503A1 (it)
GB (1) GB1537600A (it)
IT (1) IT1080675B (it)
MX (1) MX144790A (it)
PL (1) PL110717B1 (it)
SE (1) SE411922B (it)
SU (1) SU1093256A3 (it)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH619777A5 (it) * 1977-10-20 1980-10-15 Escher Wyss Gmbh
SE421328B (sv) * 1978-04-25 1981-12-14 Karlstad Mekaniska Ab Forfarande och anordning for bildande av en flerskiktsmeldstrale
US4376012A (en) * 1979-04-12 1983-03-08 Beloit Corporation Method of forming a multi-ply web from paper stock
US4376014A (en) * 1979-04-12 1983-03-08 Beloit Corporation Headbox for forming multi-ply sheets
AT376251B (de) * 1980-12-19 1984-10-25 Escher Wyss Gmbh Einrichtung zur beschickung eines mehrlagen-stoffauflaufes fuer papiermaschinen
SE428809B (sv) * 1981-12-01 1983-07-25 Karlstad Mekaniska Ab Sett och anordning for att under drift av en inloppslada eller liknande meldavgivande don for en pappersmaskin erhalla information om storleken av en meltutloppsspalt
SE428810B (sv) * 1981-12-01 1983-07-25 Karlstad Mekaniska Ab Regelersystem for reglering av en flerskiktsinloppslada for en pappersmaskin
JPS58163617A (ja) * 1982-03-24 1983-09-28 Fukui Kikai Kk 樹脂成形用プレス
SE431663B (sv) * 1982-07-06 1984-02-20 Karlstad Mekaniska Ab Forfarande och anordning for avgivande av en flerskiktsmeldstrale till en formningsyta i en pappersmaskin
FI83549C (fi) * 1986-09-19 1991-07-25 Valmet Oy Foerfarande och anordning vid inloppslaodan och dess tillstroemningssystem i en pappersmaskin.
JPH0438972Y2 (it) * 1987-07-13 1992-09-11
DE3835903C2 (de) * 1988-10-21 1995-08-03 Escher Wyss Gmbh Verfahren zur Regelung eines Mehrschicht-Stoffauflaufes einer Papiermaschine
US5145560A (en) * 1989-12-29 1992-09-08 Weyerhaeuser Company Method and apparatus for monitoring and controlling the velocity of a jet along the slice opening of a papermaking machine
US5707495A (en) * 1990-06-20 1998-01-13 J.M. Voith Gmbh Headbox for papermaking machine with more uniform flow
US6355142B1 (en) 1990-11-01 2002-03-12 Fort James Corporation Of Virginia Method of controlling headbox jet velocity for foamed furnishes
FI92729C (fi) * 1993-10-29 1994-12-27 Valmet Paper Machinery Inc Monikerrosperälaatikon massansyöttöjärjestelmä ja menetelmä monikerrosperälaatikkokäytössä
DE4423695C2 (de) * 1994-07-06 1996-10-31 Voith Sulzer Papiermasch Gmbh Verfahren zur Herstellung einer Papier- oder Kartonbahn
US6210535B1 (en) * 1995-06-01 2001-04-03 Valmet Corporation Stock feed system for a multi-layer headbox and method in the operation of a multi-layer headbox
FI110704B (fi) * 1996-10-18 2003-03-14 Metso Paper Inc Monikerrosperälaatikon massansyöttöjärjestelmä ja menetelmä monikerrosperälaatikkokäytössä
DE29701032U1 (de) * 1997-01-22 1997-03-13 Voith Sulzer Papiermasch Gmbh 3-Schicht-Stoffauflauf
US6274002B1 (en) 1998-06-23 2001-08-14 Wilbanks International, Inc. Papermaking machine with variable dewatering elements including variable pulse turbulation blades adjusted by computer control system in response to sensors of paper sheet characteristics
US6136153A (en) * 1999-02-23 2000-10-24 Ahlstrom Glassfibre Oy Foam process web formation using pressure removal of fluid
DE19932745A1 (de) * 1999-07-14 2001-03-22 Voith Paper Patent Gmbh Regelung des Druckes in einer Stoffauflaufdüse
FI19991793A (fi) 1999-08-23 2001-02-24 Andritz Ahlstrom Oy Menetelmä paperikoneen tai vastaavan lähestymisjärjestelmän toiminnan ohjaamiseksi
EP4133127A1 (en) * 2020-04-09 2023-02-15 Andritz Inc. Controlling the slice flow of a slurry through a headbox

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2677991A (en) * 1948-02-02 1954-05-11 Powell River Company Ltd Stock inlet for papermaking machines
US3293120A (en) * 1964-07-29 1966-12-20 Bailey Meter Co Paper machine pressurized headbox control of stock flow
US3337393A (en) * 1964-12-16 1967-08-22 Beloit Corp Papermachine headbox discharge velocity indicator
US3598696A (en) * 1968-02-14 1971-08-10 Beloit Corp Multiple stage hydraulic headbox
US3711688A (en) * 1968-06-27 1973-01-16 Bunker Ramo Computer control of paper machine in which basis weight is controlled through control of stock flow
SE345295B (it) * 1969-02-18 1972-05-23 Asea Ab
US3703436A (en) * 1970-02-03 1972-11-21 Industrial Nucleonics Corp Anticipatory control of headbox slice opening in a paper machine
US3923593A (en) * 1971-12-03 1975-12-02 Beloit Corp Multiple ply web former with divided slice chamber
US3886036A (en) * 1972-03-13 1975-05-27 Measurex Corp Method of controlling a drier limited paper machine
US3839143A (en) * 1972-06-08 1974-10-01 Beloit Corp Multi-ply two wire former wherein multiple headboxes are used and inflatable air bellows provide adjustments therebetween
CH559283A5 (it) * 1972-12-11 1975-02-28 Escher Wyss Gmbh
FI379674A (it) * 1974-01-17 1975-07-18 Beloit Corp
US4021295A (en) * 1975-05-05 1977-05-03 Beloit Corporation Method and apparatus for supplying white water from a single silo in the formation of a multi-ply web

Also Published As

Publication number Publication date
CA1092681A (en) 1980-12-30
AR223637A1 (es) 1981-09-15
GB1537600A (en) 1979-01-04
DE2732361C2 (de) 1983-01-05
US4086130A (en) 1978-04-25
FI62875B (fi) 1982-11-30
MX144790A (es) 1981-11-23
FR2358503B1 (it) 1982-04-30
PL199565A1 (pl) 1978-03-13
SE7707789L (sv) 1978-01-17
FI771999A (it) 1978-01-17
DE2732361A1 (de) 1978-01-26
SE411922B (sv) 1980-02-11
FR2358503A1 (fr) 1978-02-10
FI62875C (fi) 1983-03-10
SU1093256A3 (ru) 1984-05-15
JPS5310705A (en) 1978-01-31
JPS5622996B2 (it) 1981-05-28
PL110717B1 (en) 1980-07-31
ES460375A1 (es) 1978-04-01
BR7704389A (pt) 1978-04-04

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