HRP20120689T1 - Pobolj‹ana kogeneracija električne energije u proizvodnji cementnog klinkera - Google Patents

Pobolj‹ana kogeneracija električne energije u proizvodnji cementnog klinkera Download PDF

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Publication number
HRP20120689T1
HRP20120689T1 HRP20120689AT HRP20120689T HRP20120689T1 HR P20120689 T1 HRP20120689 T1 HR P20120689T1 HR P20120689A T HRP20120689A T HR P20120689AT HR P20120689 T HRP20120689 T HR P20120689T HR P20120689 T1 HRP20120689 T1 HR P20120689T1
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HR
Croatia
Prior art keywords
flue gases
hot flue
furnace
clinker
gases
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Application number
HRP20120689AT
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English (en)
Inventor
Fuentes Samaniego Raul
Ramon Martinez Farias Luis
Higinio Noyola De Garagorri Antonio
Trevino Villareal Luis
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Cemex Research Group Ag
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=40475096&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=HRP20120689(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Cemex Research Group Ag filed Critical Cemex Research Group Ag
Publication of HRP20120689T1 publication Critical patent/HRP20120689T1/hr

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    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B7/00—Hydraulic cements
    • C04B7/36—Manufacture of hydraulic cements in general
    • C04B7/43—Heat treatment, e.g. precalcining, burning, melting; Cooling
    • C04B7/47—Cooling ; Waste heat management
    • C04B7/475—Cooling ; Waste heat management using the waste heat, e.g. of the cooled clinker, in an other way than by simple heat exchange in the cement production line, e.g. for generating steam
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
    • F27D17/004—Systems for reclaiming waste heat
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2290/00—Organisational aspects of production methods, equipment or plants
    • C04B2290/20—Integrated combined plants or devices, e.g. combined foundry and concrete plant
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
    • Y02P40/121—Energy efficiency measures, e.g. improving or optimising the production methods

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Furnace Details (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)

Abstract

Postupak za proizvodnju električne struje u postrojenju za proizvodnju cementnog klinkera u kojoj se koriste peć (5) i/ili predkalcinator (3, 4) kao komore za izgaranje u svrhu proizvodnje električne energije, naznačen time, da taj postupak obuhvaća: a) dovođenje goriva (30, 31) u predkalcinator (3, 4) i/ili peć (5) u količini koja odgovara najmanje 110 % vrijednosti potrebne optimizirane toplinske vrijednosti za fazu proizvodnje klinkera u predkalcinatoru (3, 4), odnosno rotacijske peći (5), po jediničnoj te·ini klinkera; b) odvođenje dijela vrućih dimnih plinova (50, 51, 52) iz najmanje jednog izvora: (i) peći (5) i/ili (ii) predkalcinatora (3, 4); c) dovođenje navedenog dijela vrućih dimnih plinova u parogenerator na principu oporavka topline (7) koji proizvodi paru; d) proizvodnja električne struje u energetskom otoku koji sadr·i parnu turbine priključenu na generator električne struje. Patent sadr·i jo® 13 patentnih zahtjeva.

Claims (14)

1. Postupak za proizvodnju električne struje u postrojenju za proizvodnju cementnog klinkera u kojoj se koriste peć (5) i/ili predkalcinator (3, 4) kao komore za izgaranje u svrhu proizvodnje električne energije, naznačen time, da taj postupak obuhvaća: a) dovođenje goriva (30, 31) u predkalcinator (3, 4) i/ili peć (5) u količini koja odgovara najmanje 110 % vrijednosti potrebne optimizirane toplinske vrijednosti za fazu proizvodnje klinkera u predkalcinatoru (3, 4), odnosno rotacijske peći (5), po jediničnoj težini klinkera; b) odvođenje dijela vrućih dimnih plinova (50, 51, 52) iz najmanje jednog izvora: (i) peći (5) i/ili (ii) predkalcinatora (3, 4); c) dovođenje navedenog dijela vrućih dimnih plinova u parogenerator na principu oporavka topline (7) koji proizvodi paru; d) proizvodnja električne struje u energetskom otoku koji sadrži parnu turbine priključenu na generator električne struje.
2. Postupak u skladu s patentnim zahtjevom 1, naznačen time, da parogenerator na principu oporavka topline (7) proizvodu paru temperature više od 400°C, apsolutnog tlaka višeg od 35 bara, a parna turbina je visokotlačna turbina.
3. Postupak u skladu s patentnim zahtjevom 1 ili 2, naznačen time, da se (31) dovodi u količini koja odgovara najmanje 120 % vrijednosti potrebne optimizirane toplinske vrijednosti po masenoj jedinici klinkera, poželjno je više od 140 %, a najpoželjnije više od 200 %.
4. Postupak u skladu s bilo kojim od patentnih zahtjeva 1 ili 3, naznačen time, da cementni blinker uključuje fazu predgrijavanja (1, 2) u kojoj se izbacuju izlazni plinovi (44), vrući dimni plinovi (50, 51, 52) odvode se na takav način da je količina izlaznih plinova (44) manja od 1,5 tona plinova po toni klinkera, poželjno je manje od 1,3 tone plinova, poželjnije manje od 1 tone te vrlo poželjno manje od 0,8 tona.
5. Postupak u skladu s bilo kojim od patentnih zahtjeva 1 do 4, naznačen time, da se vrući dimni plinovi odvode iz rotacijske peći (5) i predkalcinatora (3, 4).
6. Postupak u skladu s patentnim zahtjevom 5, naznačen time, da omjer vrućih dimnih plinova (50, 51) koji se odvode iz rotacijske peći i vrućih dimnih plinova (52) koji se odvode iz predkalcinatora manji od 1, poželjno je manji od 0,5, a još poželjniji omjer je manji od 0,35.
7. Postupak u skladu s patentnim zahtjevom 2, naznačen time, da postrojenje za proizvodnju cementnog klinkera sadrži najmanje jedan predgrijač (2) iz kojeg se dodatno odvode vrući dimni plinovi u svrhu nadzora procesa.
8. Postupak u skladu s patentnim zahtjevom 5 ili 6, naznačen time, da se odvedeni vrući dimni plinovi (51, 52, 53) miješaju i iz njih se odvaja prašina prije nego što uđu u parogenerator na principu oporavka topline (7).
9. Postupak u skladu s bilo kojim od patentnih zahtjeva 1 do 8, naznačen time, da se dodatno zrak (20, 24) izravno ubacuje u predkalcinator (3, 4) i/ili u peć (5) kao zrak za sagorijevanje.
10. Postupak u skladu s bilo kojim od patentnih zahtjeva 1 do 9, naznačen time, da se dodatni zrak (62, 63) ubacuje izravno u predgrijač(e) (1, 2) kako bi se kompenzirali svi poremećaji u procesu proizvodnje cementnog klinkera.
11. Postupak u skladu s bilo kojim od patentnih zahtjeva 1 do 10, naznačen time, da: e) ohlađeni dimni plinovi ispušteni iz parogeneratora na principu oporavka topline (7) ili oni koji dolaze iz predgrijača ubacuju se u peć (5) i/ili predkalcinator (3, 4) i/ili predgrijač (e) (1, 2).
12. Postupak u skladu s bilo kojim od patentnih zahtjeva 1 to 11, naznačen time, da energetski otok (70) šalje natrag vodu koja je prethodno zagrijana u grijačima napojne vode kako bi se izbjegla korozija i/ili inkrustacija.
13. Postupak u skladu s bilo kojim patentnim zahtjevom od 1 do 12 u kojem se koristi dodatni ekonomizator vode (9), naznačen time, da se napojna voda (71) parogeneratora na principu oporavka topline (7) zagrijava dimnim plinovima (44) ispuštenim iz predgrijača (1).
14. Postupak u skladu s patentnim zahtjevom 13, naznačen time, da dodatni ekonomizator vode (9) dobiva vodu iz energetskog otoka.
HRP20120689AT 2008-06-05 2012-08-30 Pobolj‹ana kogeneracija električne energije u proizvodnji cementnog klinkera HRP20120689T1 (hr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PCT/IB2008/001447 WO2009147465A1 (en) 2008-06-05 2008-06-05 Enhanced electricity cogeneration in cement clinker production
PCT/IB2009/005857 WO2009147513A1 (en) 2008-06-05 2009-06-04 Enhanced electricity gogeneration in cement clinker production

Publications (1)

Publication Number Publication Date
HRP20120689T1 true HRP20120689T1 (hr) 2012-09-30

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ID=40475096

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Country Status (7)

Country Link
US (1) US8997489B2 (hr)
EP (1) EP2294028B2 (hr)
ES (1) ES2385135T3 (hr)
HR (1) HRP20120689T1 (hr)
MX (1) MX2010013326A (hr)
PL (1) PL2294028T3 (hr)
WO (2) WO2009147465A1 (hr)

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DE102011052561B4 (de) * 2011-05-27 2015-03-05 Südbayerisches Portland-Zementwerk Gebr. Wiesböck & Co. GmbH Verfahren und Vorrichtung zum Brennen von Klinker
FR2994176B1 (fr) * 2012-07-31 2016-01-08 Lafarge Sa Procede et installation de production de clinker et d'electricite, et procede de modification d'une installation de production de clinker
DE102012020300B4 (de) 2012-10-17 2016-05-12 Khd Humboldt Wedag Gmbh Verfahren zur Nutzung der Abwärme einer Anlage zur Herstellung von Zement und Anlage zur Herstellung von Zement
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Also Published As

Publication number Publication date
EP2294028A1 (en) 2011-03-16
EP2294028B2 (en) 2019-10-30
US20110140459A1 (en) 2011-06-16
PL2294028T3 (pl) 2012-12-31
US8997489B2 (en) 2015-04-07
WO2009147513A8 (en) 2010-12-02
MX2010013326A (es) 2010-12-21
WO2009147465A1 (en) 2009-12-10
EP2294028B1 (en) 2012-05-30
ES2385135T3 (es) 2012-07-18
WO2009147513A1 (en) 2009-12-10

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