EP2459952A2 - Energieeinsparung in einer papierfabrik - Google Patents
Energieeinsparung in einer papierfabrikInfo
- Publication number
- EP2459952A2 EP2459952A2 EP10739319A EP10739319A EP2459952A2 EP 2459952 A2 EP2459952 A2 EP 2459952A2 EP 10739319 A EP10739319 A EP 10739319A EP 10739319 A EP10739319 A EP 10739319A EP 2459952 A2 EP2459952 A2 EP 2459952A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- energy
- specific
- heat
- energy storage
- plant
- 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.)
- Ceased
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F5/00—Dryer section of machines for making continuous webs of paper
- D21F5/20—Waste heat recovery
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
- F28D2020/006—Heat storage systems not otherwise provided for
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
Definitions
- the invention relates to an industrial plant for papermaking and to a process for saving primary energy in such a plant.
- the production of paper is associated with a high use of primary energy and water.
- the discontinuities occurring in the production process for example, paper tearing, plant shutdowns, product changes, cleaning, etc.
- the seasonal and daily fluctuating environmental conditions make the use of energy stores attractive for reducing primary energy demand.
- the use of energy storage is associated with difficulties because of the variety of different temperature levels and different salt and solids loading of the water (water compositions).
- EP 0 048 235 A2 describes a central device which, on the one hand, absorbs heat from a production plant and, on the other hand, gives off heat to the production plant.
- the heat is cached and transferred at different temperature levels in different heat collectors.
- the loading and unloading of the collector takes place via direct (inflow and outflow of the heat transfer medium into the collector) or indirect heat transfer (use of a heat exchanger).
- EP 0 048 235 A2 by direct or indirect heat transfer.
- the invention has for its object to provide a comparison with the known solutions improved way to primary energy savings in paper mills. This object is achieved by an industrial plant for papermaking with a system of at least two decentralized thermal energy storage.
- the object is further achieved by a method for primary energy saving in an industrial plant for papermaking, in which heat energy is stored in a system of at least two decentrally arranged thermal energy stores.
- the saving of primary energy is not as described in the prior art by a central device, but by a system of decentralized thermal energy storage.
- the decentralized arrangement of the energy store is followed by short paths between the respective energy store and the location at which the heat to be transferred into the energy store occurs, which leads to lower heat and pressure losses and a reduced planning outlay.
- the inventive use of a system of energy storage also increases the number of degrees of freedom in the control of the system, which usually faster reaction times and greater accuracy of individual measures follow.
- At least one energy store is designed to be temperature-specific, ie at least one energy store stores thermal energy of a specific temperature.
- Temperature-specific memories allow the loading and unloading of the store by direct and / or indirect heat transfer.
- measures for realizing a variable and unloading height and complicated installations to maintain the thermal stratification are dispensed with high loading and unloading, resulting in a reduced expenditure on equipment follows.
- At least one energy store is designed to be composition-specific, i. At least in an energy store, a heat transfer medium of a specific composition is used.
- a heat transfer medium of a specific composition is used.
- the combinations of properties of the stores used can be tailored to the requirements of the paper industry as well as of the concrete installation. In this way, transitional situations outside of the stationary state of paper production are overcome more quickly and downtimes are reduced.
- the invention relates to an industrial plant for papermaking and a method for primary energy saving in such a plant.
- an industrial plant for papermaking is proposed with a system comprising at least two decentrally arranged thermal energy stores in which heat energy is stored decentrally.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Paper (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009034878A DE102009034878A1 (de) | 2009-07-27 | 2009-07-27 | Energieeinsparung in einer Papierfabrik |
PCT/EP2010/060462 WO2011012492A2 (de) | 2009-07-27 | 2010-07-20 | Energieeinsparung in einer papierfabrik |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2459952A2 true EP2459952A2 (de) | 2012-06-06 |
Family
ID=43402462
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10739319A Ceased EP2459952A2 (de) | 2009-07-27 | 2010-07-20 | Energieeinsparung in einer papierfabrik |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2459952A2 (de) |
DE (1) | DE102009034878A1 (de) |
WO (1) | WO2011012492A2 (de) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE8006392L (sv) | 1980-09-12 | 1982-03-13 | Jacob Weitman | Sett och system for vermeatervinning |
DE102006007119A1 (de) * | 2006-02-16 | 2007-08-23 | Wolf, Bodo M., Dr. | Verfahren zur Speicherung und Rückgewinnung von Energie |
DE102006044789B4 (de) * | 2006-09-14 | 2008-10-02 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Dampfspeichervorrichtung und Verfahren zur Dampfspeicherung |
DE102008001308B3 (de) * | 2008-04-22 | 2009-07-30 | Rhein Papier Gmbh | Wärmeenergiemanagement für Produktionsanlagen |
DE102009001874A1 (de) * | 2009-03-26 | 2010-09-30 | Voith Patent Gmbh | System zur Rückgewinnung von überschüssiger Wärmeenergie |
-
2009
- 2009-07-27 DE DE102009034878A patent/DE102009034878A1/de not_active Ceased
-
2010
- 2010-07-20 WO PCT/EP2010/060462 patent/WO2011012492A2/de active Application Filing
- 2010-07-20 EP EP10739319A patent/EP2459952A2/de not_active Ceased
Non-Patent Citations (1)
Title |
---|
See references of WO2011012492A2 * |
Also Published As
Publication number | Publication date |
---|---|
DE102009034878A1 (de) | 2011-02-03 |
WO2011012492A3 (de) | 2011-06-23 |
WO2011012492A2 (de) | 2011-02-03 |
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Legal Events
Date | Code | Title | Description |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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17P | Request for examination filed |
Effective date: 20120118 |
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AK | Designated contracting states |
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DAX | Request for extension of the european patent (deleted) | ||
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: SIEMENS AKTIENGESELLSCHAFT |
|
17Q | First examination report despatched |
Effective date: 20130313 |
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REG | Reference to a national code |
Ref country code: DE Ref legal event code: R003 |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION HAS BEEN REFUSED |
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18R | Application refused |
Effective date: 20150616 |