EP1035253A1 - Procédé optimisé de fabrication des fibres ou de papier - Google Patents

Procédé optimisé de fabrication des fibres ou de papier Download PDF

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Publication number
EP1035253A1
EP1035253A1 EP00100843A EP00100843A EP1035253A1 EP 1035253 A1 EP1035253 A1 EP 1035253A1 EP 00100843 A EP00100843 A EP 00100843A EP 00100843 A EP00100843 A EP 00100843A EP 1035253 A1 EP1035253 A1 EP 1035253A1
Authority
EP
European Patent Office
Prior art keywords
values
parameters
line
optimize
performance values
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
EP00100843A
Other languages
German (de)
English (en)
Other versions
EP1035253B1 (fr
Inventor
Volker Gehr Dr.
Reinholdt Boris
Köberl Thomas
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Voith Patent GmbH
Original Assignee
Voith Paper Patent GmbH
Voith Sulzer Papiertechnik Patent GmbH
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 Voith Paper Patent GmbH, Voith Sulzer Papiertechnik Patent GmbH filed Critical Voith Paper Patent GmbH
Publication of EP1035253A1 publication Critical patent/EP1035253A1/fr
Application granted granted Critical
Publication of EP1035253B1 publication Critical patent/EP1035253B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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

Definitions

  • the invention relates to a method for carrying out a fiber or Papermaking process using a plurality of consecutive Process stages in which chemical and physical processes defined process steps carried out and process optimizations depending on the measured values and the values derived from them Parameters, if necessary using state models become.
  • the object of the invention is to provide overall processes in the manufacture and Processing of fibrous materials or in papermaking both under technological as well as business and ecological To optimize aspects.
  • the final product of the process has relevant parameters of all individual process stages recorded online and directly or indirectly used on-line to control or optimize the overall process be, with parameters both depending on the starting materials or raw materials as well as those in the successive Process stages supplied chemicals, auxiliary materials and energies as well the materials and emissions to be disposed of.
  • Embodiment variant of the invention also carried out off-line determinations so that based on the discrete values obtained of calculation models an optimization of the online values in the Framework of an auto calibration module can be performed.
  • An essential special feature of the method according to the invention is also to be seen in the fact that not only the determination of the parameters, but also control and regulation or optimization are also carried out on-line, and preferably based on known mathematical or business economics Algorithms based on fuzzy logic and the like
  • a further essential aspect of the invention consists in that at least some and preferably all target and characteristic values are transformed on a uniform basis by means of an arithmetic unit, whereby a uniform basis can in particular be a price per unit of quantity determined via a cost or value determination.
  • a so-called bottleneck optimization can then also be carried out by converting to a uniform basis. From a business perspective, the bottleneck problem is part of the production planning process. The products are defined by price and quantity. On this basis, a mathematical target function is then defined, which is usually designed to maximize profit or production. However, it is also conceivable to define a function that z. B. aims at a reduced amount of residues (waste) ( f (x 1 + ...
  • This actual objective function which can be a maximization function, a minimization function or a combination of both, can be restricted by constraints.
  • secondary conditions such.
  • a sales condition e.g. sales ceiling
  • a capacity condition e.g. capacity bottleneck
  • both the objective function and the secondary conditions are not formulated rigidly, but are adapted to the respective conditions and requirements that result from ongoing operation (cf. Hax, H .: linear planning calculation and Simplex method as an instrument of operational planning, in: ZfhF 1960, p 576 ff).
  • FIG. 1 which shows this basic illustration, illustrates the context with a relevant input and fiber paper making process Output variables.
  • the on-line parameter determination mentioned above takes place, using mechanical methods, physical and / or chemical properties at selected locations of the overall process.
  • the raw materials supplied to the overall process are also recorded in the form the entry quantities, whereby - like this also for the other parameters applies - a transformation of these quantities takes place on a uniform basis can, e.g. based on the unit price.
  • the target values are usually the production quantities, but according to the invention in turn be transformed on a uniform basis can, so that mechanical properties and optical as a target Properties can be taken into account. For example, this is thereby possible that the achievable price of the finished fiber material and paper as a sum parameter of all optical and mechanical properties or selected properties can be applied.
  • the overall process can be both under technological as well as business and ecological Optimize aspects. This also makes it possible for the amount of raw material the chemical costs, the auxiliary material costs, the energy costs, waste and disposal costs are minimized can. It is also possible to use the respective semi-finished or finished products to produce such that the fluctuation range of the technological Characteristic values are reduced significantly.
  • sub-processes e.g. the resolution in a waste paper processing plant, Bleaching, sorting, fluctuation and the like first in separate modules are summarized, which are then only a compressed number of Pass on parameters to the overall process.

Landscapes

  • Paper (AREA)
  • Feedback Control In General (AREA)
EP00100843A 1999-03-11 2000-01-17 Procédé optimisé de fabrication des fibres ou de papier Expired - Lifetime EP1035253B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19910910 1999-03-11
DE19910910A DE19910910A1 (de) 1999-03-11 1999-03-11 Verfahren zur Durchführung eines optimierten Faser- oder Papierherstellungsprozesses

Publications (2)

Publication Number Publication Date
EP1035253A1 true EP1035253A1 (fr) 2000-09-13
EP1035253B1 EP1035253B1 (fr) 2005-11-23

Family

ID=7900633

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00100843A Expired - Lifetime EP1035253B1 (fr) 1999-03-11 2000-01-17 Procédé optimisé de fabrication des fibres ou de papier

Country Status (8)

Country Link
US (1) US6577916B1 (fr)
EP (1) EP1035253B1 (fr)
KR (1) KR20000062824A (fr)
AT (1) ATE310849T1 (fr)
BR (1) BR0001281A (fr)
CA (1) CA2298333A1 (fr)
DE (2) DE19910910A1 (fr)
ES (1) ES2249202T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003107103A1 (fr) * 2002-06-12 2003-12-24 Abb Ab Optimisation dynamique en ligne de processus de production
US7083049B2 (en) 2001-12-10 2006-08-01 Voith Paper Patent Gmbh Method of regulating sorting systems and a sorting system suitable for carrying out this method

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003060812A2 (fr) * 2002-01-15 2003-07-24 Suvajit Das Systeme et procede informatiques pour mesurer et ameliorer les processus de fabrication et maximiser la vitesse et l'efficacite de recherche et de developpement de produits
US7376472B2 (en) * 2002-09-11 2008-05-20 Fisher-Rosemount Systems, Inc. Integrated model predictive control and optimization within a process control system
US7016742B2 (en) * 2002-11-27 2006-03-21 Bahelle Memorial Institute Decision support for operations and maintenance (DSOM) system
US7451004B2 (en) * 2005-09-30 2008-11-11 Fisher-Rosemount Systems, Inc. On-line adaptive model predictive control in a process control system
DE102006003637A1 (de) * 2006-01-26 2007-08-02 Voith Patent Gmbh Verfahren zur Herstellung oder Behandlung einer Faserstoffbahn
FI119063B (fi) * 2006-04-21 2008-07-15 Metso Automation Oy Menetelmä ohjata kierrätyskuitulinjaa ja kierrätyskuitulinja
CN101790610A (zh) * 2007-05-04 2010-07-28 魁北克工业研究中心 用于优化木质纤维素颗粒物质磨浆的系统和方法
DE102009011217A1 (de) * 2009-03-04 2010-09-09 Siemens Aktiengesellschaft Steuerung der erweiterten Trockenpartie einer Papiermaschine
CA2714235C (fr) 2010-04-27 2014-01-07 Centre De Recherche Industrielle Du Quebec Procede et systeme pour stabiliser la densite seche des copeaux de bois devant alimenter un processus de raffinage des copeaux
US20150292158A1 (en) * 2012-09-28 2015-10-15 Voith Patent Gmbh Method for controlling the formation of a fiber web of a fiber or paper producing process
CN111967180B (zh) * 2020-07-02 2022-07-26 华南理工大学 造纸纤维特性对成纸力学性能影响程度的定量分析方法

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US5249120A (en) * 1991-01-14 1993-09-28 The Charles Stark Draper Laboratory, Inc. Automated manufacturing costing system and method
CA2118885C (fr) * 1993-04-29 2005-05-24 Conrad K. Teran Systeme de commande de processus
DE19510008C2 (de) * 1995-03-23 1997-01-30 Siemens Ag Verfahren und Vorrichtung zur Prozeßführung bei der Zellstoff- und/oder Papierherstellung
DE19519627C2 (de) * 1995-05-29 1999-04-29 Siemens Ag Verfahren zur Optimierung der Prozeßführung von Produktionsvorgängen
US5812404A (en) * 1996-04-18 1998-09-22 Valmet Corporation Method for overall regulation of the headbox of a paper machine or equivalent
DE19653530C1 (de) * 1996-12-20 1998-07-23 Siemens Ag Verfahren und Vorrichtung zur Prozeßführung und zur Prozeßoptimierung bei der Herstellung von Zellstoff
FI974327A (fi) * 1997-11-25 1999-05-26 Valmet Automation Inc Menetelmä ja laitteisto paperin ominaisuuksien säätämiseksi
FI974328A (fi) * 1997-11-25 1999-05-26 Valmet Automation Inc Menetelmä ja laitteisto paperin ominaisuuksien säätämiseksi
US6128540A (en) * 1998-02-20 2000-10-03 Hagen Method Pty. Ltd. Method and computer system for controlling an industrial process using financial analysis
US6157916A (en) * 1998-06-17 2000-12-05 The Hoffman Group Method and apparatus to control the operating speed of a papermaking facility

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
JONES G L: "INTEGRATION OF PROCESS SIMULATION WITH MILLWIDE INFORMATION AND CONTROL", TAPPI JOURNAL, vol. 73, no. 11, 1 November 1990 (1990-11-01), pages 113 - 118, XP000163302, ISSN: 0734-1415 *
SKINNER JAMES E: "Real-time control of production costs", TAPPI JOURNAL, vol. 72, no. 6, 1989, pages 70 - 75, XP002119245 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7083049B2 (en) 2001-12-10 2006-08-01 Voith Paper Patent Gmbh Method of regulating sorting systems and a sorting system suitable for carrying out this method
WO2003107103A1 (fr) * 2002-06-12 2003-12-24 Abb Ab Optimisation dynamique en ligne de processus de production
US7085615B2 (en) 2002-06-12 2006-08-01 Abb Ab Dynamic on-line optimization of production processes

Also Published As

Publication number Publication date
KR20000062824A (ko) 2000-10-25
US6577916B1 (en) 2003-06-10
DE19910910A1 (de) 2000-09-28
ATE310849T1 (de) 2005-12-15
EP1035253B1 (fr) 2005-11-23
ES2249202T3 (es) 2006-04-01
CA2298333A1 (fr) 2000-09-11
BR0001281A (pt) 2001-01-16
DE50011667D1 (de) 2005-12-29

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