EP1035253A1 - Optimierter Faser- oder Papierherstellungsprozess - Google Patents
Optimierter Faser- oder Papierherstellungsprozess Download PDFInfo
- 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
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 239000000835 fiber Substances 0.000 title claims abstract description 8
- 238000013386 optimize process Methods 0.000 title 1
- 238000000034 method Methods 0.000 claims abstract description 62
- 230000008569 process Effects 0.000 claims abstract description 42
- 239000000126 substance Substances 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 8
- 239000002994 raw material Substances 0.000 claims abstract description 5
- 230000003287 optical effect Effects 0.000 claims abstract description 4
- 239000007795 chemical reaction product Substances 0.000 claims abstract 2
- 238000005457 optimization Methods 0.000 claims description 9
- 238000004364 calculation method Methods 0.000 claims description 3
- 239000007858 starting material Substances 0.000 claims description 2
- 239000002699 waste material Substances 0.000 abstract description 3
- 239000000654 additive Substances 0.000 abstract 1
- 230000006870 function Effects 0.000 description 8
- 238000004061 bleaching Methods 0.000 description 6
- 239000002657 fibrous material Substances 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 239000004744 fabric Substances 0.000 description 3
- 239000010893 paper waste Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Images
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)
Abstract
Description
Claims (9)
- Verfahren zur Durchführung eines Faser- oder Papierherstellungsprozesses unter Verwendung einer Mehrzahl aufeinanderfolgender Verfahrensstufen, in denen durch vorgebbare chemische und physikalische Abläufe definierte Prozeßschritte durchgeführt und Prozeßoptimierungen in Abhängigkeit von Meßwerten und daraus gebildeten Kenngrößen, ggf. unter Einsatz von Zustandsmodellen, vorgenommen werden,
dadurch gekennzeichnet,
daß zumindest die die Zielgrößen des jeweiligen Endprodukts des Verfahrens relevant beeinflussenden Kenngrößen aller einzelnen Verfahrensstufen on-line erfaßt und direkt oder indirekt on-line zur Steuerung bzw. Optimierung des Gesamtverfahrens verwendet werden, wobei Kenngrößen sowohl in Abhängigkeit von den Ausgangsmaterialien bzw. Rohstoffen als auch von den in den aufeinanderfolgenden Verfahrensstufen zugeführten Chemikalien, Hilfsstoffen und Energien sowie den zu entsorgenden Materialien und Emissionen gebildet werden. - Verfahren nach Anspruch 1,
dadurch gekennzeichnet,
daß ergänzend zur On-line-Erfassung von Kenngrößen Off-line-Bestimmungen von Meßwerten und Kenngrößen vorgenommen und anhand der erhaltenen diskreten Werte mittels Berechnungsmodellen Optimierungen der jeweils zugehörigen On-line-Werte vorgenommen werden. - Verfahren nach Anspruch 1 oder 2,
dadurch gekennzeichnet,
daß einzelne Verfahrensstufen oder Teilprozesse zu eigenständig gesteuerten und optimierten Modulen zusammengefaßt werden und eine komprimierte bzw. reduzierte Anzahl von in diesen Modulen gebildeten Kenngrößen zur Steuerung und Optimierung des Gesamtverfahrens verwendet wird. - Verfahren nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet,
daß zumindest ein Teil der Ziel- und Kenngrößen mittels eines Rechenwerks auf eine einheitliche Basis transformiert wird. - Verfahren nach Anspruch 4,
dadurch gekennzeichnet,
daß als einheitliche Basis der Preis pro Mengeneinheit gewählt wird. - Verfahren nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet,
daß zumindest ein Teil der Kenngrößen vor ihrer Verwendung zur Steuerung und Optimierung des Gesamtverfahrens gewichtet wird. - Verfahren nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet,
daß unter Verwendung der auf eine einheitliche Basis transformierten Kenngrößen im Gesamtverfahren eine Engpaßoptimierung durchgeführt wird. - Verfahren nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet,
daß die Ermittlung der Kenngrößen aus den On-line-Meßwerten unter Verwendung mathematischer oder betriebswirtschaftlicher Algorithmen erfolgt. - Verfahren nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet,
daß als Zielgrößen insbesondere Produktionsmengen, mechanische und/oder optische Eigenschaften und/oder der Faserstoff- oder Papierpreis vorgegeben werden.
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 (de) | 2000-09-13 |
| EP1035253B1 EP1035253B1 (de) | 2005-11-23 |
Family
ID=7900633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP00100843A Expired - Lifetime EP1035253B1 (de) | 1999-03-11 | 2000-01-17 | Optimierter Faser- oder Papierherstellungsprozess |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US6577916B1 (de) |
| EP (1) | EP1035253B1 (de) |
| KR (1) | KR20000062824A (de) |
| AT (1) | ATE310849T1 (de) |
| BR (1) | BR0001281A (de) |
| CA (1) | CA2298333A1 (de) |
| DE (2) | DE19910910A1 (de) |
| ES (1) | ES2249202T3 (de) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003107103A1 (en) * | 2002-06-12 | 2003-12-24 | Abb Ab | Dynamic on-line optimization of production processes |
| 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)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IL164428A0 (en) * | 2002-01-15 | 2005-12-18 | Thierry Cresson | Computer-implemented system and method for measuring and improving manufacturing processes and maximizing product research and development speed and efficiency |
| 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 |
| US8679293B2 (en) * | 2007-05-04 | 2014-03-25 | Centre De Recherche Industrielle Du Quebec | System and method for optimizing lignocellulosic granular matter refining |
| DE102009011217A1 (de) * | 2009-03-04 | 2010-09-09 | Siemens Aktiengesellschaft | Steuerung der erweiterten Trockenpartie einer Papiermaschine |
| CA2714235C (en) | 2010-04-27 | 2014-01-07 | Centre De Recherche Industrielle Du Quebec | Method and system for stabilizing dry-based density of wood chips to be fed to a chip refining process |
| 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 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5249120A (en) * | 1991-01-14 | 1993-09-28 | The Charles Stark Draper Laboratory, Inc. | Automated manufacturing costing system and method |
| CA2118885C (en) * | 1993-04-29 | 2005-05-24 | Conrad K. Teran | Process control system |
| 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 |
| FI974328L (fi) * | 1997-11-25 | 1999-05-26 | Valmet Automation Inc | Menetelmä ja laitteisto paperin ominaisuuksien säätämiseksi |
| FI974327L (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 |
-
1999
- 1999-03-11 DE DE19910910A patent/DE19910910A1/de not_active Withdrawn
-
2000
- 2000-01-17 EP EP00100843A patent/EP1035253B1/de not_active Expired - Lifetime
- 2000-01-17 ES ES00100843T patent/ES2249202T3/es not_active Expired - Lifetime
- 2000-01-17 AT AT00100843T patent/ATE310849T1/de active
- 2000-01-17 DE DE50011667T patent/DE50011667D1/de not_active Expired - Lifetime
- 2000-02-09 CA CA002298333A patent/CA2298333A1/en not_active Abandoned
- 2000-03-10 US US09/522,536 patent/US6577916B1/en not_active Expired - Lifetime
- 2000-03-10 KR KR1020000012058A patent/KR20000062824A/ko not_active Withdrawn
- 2000-03-10 BR BR0001281-5A patent/BR0001281A/pt not_active Application Discontinuation
Non-Patent Citations (2)
| 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)
| 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 (en) * | 2002-06-12 | 2003-12-24 | Abb Ab | Dynamic on-line optimization of production processes |
| US7085615B2 (en) | 2002-06-12 | 2006-08-01 | Abb Ab | Dynamic on-line optimization of production processes |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1035253B1 (de) | 2005-11-23 |
| DE50011667D1 (de) | 2005-12-29 |
| BR0001281A (pt) | 2001-01-16 |
| ATE310849T1 (de) | 2005-12-15 |
| DE19910910A1 (de) | 2000-09-28 |
| ES2249202T3 (es) | 2006-04-01 |
| KR20000062824A (ko) | 2000-10-25 |
| CA2298333A1 (en) | 2000-09-11 |
| US6577916B1 (en) | 2003-06-10 |
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