FI982024A0 - På balansräkning baserad förbättrad regleranordning och reglermetod - Google Patents

På balansräkning baserad förbättrad regleranordning och reglermetod

Info

Publication number
FI982024A0
FI982024A0 FI982024A FI982024A FI982024A0 FI 982024 A0 FI982024 A0 FI 982024A0 FI 982024 A FI982024 A FI 982024A FI 982024 A FI982024 A FI 982024A FI 982024 A0 FI982024 A0 FI 982024A0
Authority
FI
Finland
Prior art keywords
method based
balance sheet
control device
control method
improved
Prior art date
Application number
FI982024A
Other languages
English (en)
Finnish (fi)
Inventor
Mika Kreivi
Pasi Heikkinen
Original Assignee
Neles Controls 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 Neles Controls Oy filed Critical Neles Controls Oy
Priority to FI982024A priority Critical patent/FI982024A0/sv
Publication of FI982024A0 publication Critical patent/FI982024A0/sv
Priority to EP99660150A priority patent/EP0989476A3/en

Links

Classifications

    • 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
    • D21F1/08—Regulating consistency
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/80—Forming a predetermined ratio of the substances to be mixed
    • B01F35/83—Forming a predetermined ratio of the substances to be mixed by controlling the ratio of two or more flows, e.g. using flow sensing or flow controlling devices
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D11/00—Control of flow ratio
    • G05D11/02—Controlling ratio of two or more flows of fluid or fluent material
    • G05D11/13—Controlling ratio of two or more flows of fluid or fluent material characterised by the use of electric means
    • G05D11/135—Controlling ratio of two or more flows of fluid or fluent material characterised by the use of electric means by sensing at least one property of the mixture
    • G05D11/138—Controlling ratio of two or more flows of fluid or fluent material characterised by the use of electric means by sensing at least one property of the mixture by sensing the concentration of the mixture, e.g. measuring pH value
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/01—Control of temperature without auxiliary power
    • G05D23/13—Control of temperature without auxiliary power by varying the mixing ratio of two fluids having different temperatures
    • G05D23/1393—Control of temperature without auxiliary power by varying the mixing ratio of two fluids having different temperatures characterised by the use of electric means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Feedback Control In General (AREA)
  • Paper (AREA)
FI982024A 1998-09-21 1998-09-21 På balansräkning baserad förbättrad regleranordning och reglermetod FI982024A0 (sv)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FI982024A FI982024A0 (sv) 1998-09-21 1998-09-21 På balansräkning baserad förbättrad regleranordning och reglermetod
EP99660150A EP0989476A3 (en) 1998-09-21 1999-09-20 Balance based mixing control device and control method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI982024A FI982024A0 (sv) 1998-09-21 1998-09-21 På balansräkning baserad förbättrad regleranordning och reglermetod

Publications (1)

Publication Number Publication Date
FI982024A0 true FI982024A0 (sv) 1998-09-21

Family

ID=8552523

Family Applications (1)

Application Number Title Priority Date Filing Date
FI982024A FI982024A0 (sv) 1998-09-21 1998-09-21 På balansräkning baserad förbättrad regleranordning och reglermetod

Country Status (2)

Country Link
EP (1) EP0989476A3 (sv)
FI (1) FI982024A0 (sv)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI115081B (sv) * 2001-10-19 2005-02-28 Metso Automation Oy Förfarande och anornding för styrning av en pappersmaskins massavdelnings funktion
CN106625982A (zh) * 2016-10-19 2017-05-10 河南鑫饰板业有限公司 一种纤维浆料浓度控制装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3572361A (en) * 1968-08-28 1971-03-23 Beloit Corp Apparatus for blending stock for a paper machine
US3620915A (en) * 1968-12-19 1971-11-16 Beloit Corp Fibrous stock blending control system
US4494209A (en) * 1982-06-07 1985-01-15 The Babcock & Wilcox Company Blending control system
DE4100255A1 (de) * 1990-01-09 1991-07-11 Hartmann Helmut Verfahren zur herstellung und konstanthaltung eines vorwaehlbaren qualifizierten feststoff-/fluessigkeitsverhaeltnisses
US5793963A (en) * 1994-10-24 1998-08-11 Fisher Rosemount Systems, Inc. Apparatus for providing non-redundant secondary access to field devices in a distributed control system
US5650777A (en) * 1995-06-07 1997-07-22 Rosemount Inc. Conversion circuit for process control system
US5611891A (en) * 1995-12-08 1997-03-18 Westvaco Corporation System and method for controlling papermaking stock consistency

Also Published As

Publication number Publication date
EP0989476A2 (en) 2000-03-29
EP0989476A3 (en) 2001-03-21

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