WO2009030700A3 - Method and plant for the simultaneous production of electricity and cement clinker - Google Patents
Method and plant for the simultaneous production of electricity and cement clinker Download PDFInfo
- Publication number
- WO2009030700A3 WO2009030700A3 PCT/EP2008/061602 EP2008061602W WO2009030700A3 WO 2009030700 A3 WO2009030700 A3 WO 2009030700A3 EP 2008061602 W EP2008061602 W EP 2008061602W WO 2009030700 A3 WO2009030700 A3 WO 2009030700A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cement
- electricity
- raw materials
- plant
- cement clinker
- Prior art date
Links
Classifications
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Drying Of Solid Materials (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
The present invention relates to a method for simultaneous generation of electricity and cement clinker in a cement plant comprising a kiln system (1 ), a drying means (2), separation means (3) and means (4) for generation of electricity, according to which cement raw materials are dried in the drying means (2) subject to simultaneous supply of hot gases and subsequently separated from the hot gases in the separation means (3) and directed to the kiln system via a feed duct (5). The method is characterized in that hot exhaust gases from a thermodynamic machine (6) are utilized for drying the cement raw materials. It is hereby obtained that the thermal energy in the hot exhaust gases from thermodynamic machine is utilized in expedient manner. When a generator is connected to the thermodynamic machine and the generated electricity is utilized in the cement plant, the energy consumption per tonne of cement clinker will, for raw materials with a high moisture content, be reduced relative to a situation where the cement raw materials are dried by different methods. Hence the emission of CO2 from the cement plant per tonne of cement clinker will also be reduced.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DKPA200701280 | 2007-09-07 | ||
DKPA200701280 | 2007-09-07 |
Publications (3)
Publication Number | Publication Date |
---|---|
WO2009030700A2 WO2009030700A2 (en) | 2009-03-12 |
WO2009030700A3 true WO2009030700A3 (en) | 2009-05-14 |
WO2009030700A9 WO2009030700A9 (en) | 2009-07-02 |
Family
ID=40160754
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2008/061602 WO2009030700A2 (en) | 2007-09-07 | 2008-09-03 | Method and plant for the simultaneous production of electricity and cement clinker |
Country Status (1)
Country | Link |
---|---|
WO (1) | WO2009030700A2 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102173617B (en) * | 2011-01-26 | 2012-11-28 | 宁波经济技术开发区世代塑料制品有限公司 | High-efficiency energy-saving environmental-protection cement making machine set |
CN113772973A (en) * | 2021-09-07 | 2021-12-10 | 姜伟 | Improved cement material and equipment for drying improved cement material |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4080219A (en) * | 1975-10-21 | 1978-03-21 | The Associated Portland Cement Manufacturers Limited | Collateral drying process |
EP0045811A1 (en) * | 1980-02-15 | 1982-02-17 | Sumitomo Semento Kabushiki Kaisha | Method and apparatus for retrieving heat, ash, and sulfur oxides from gas discharged from boiler of power plant equipment |
EP0896958A1 (en) * | 1997-08-11 | 1999-02-17 | E. Schwenk Zementwerke KG | Process and apparatus for combined production of cement clinker and electric current |
CH689830A5 (en) * | 1998-09-02 | 1999-12-15 | Zappa Luzius | Integrated process for simultaneous production of cement clinker and electricity |
WO2000064832A1 (en) * | 1999-03-19 | 2000-11-02 | Vinod Chintamani Malshe | A plant and a process for manufacturing cement and electricity simultaneously |
WO2001019749A1 (en) * | 1999-09-16 | 2001-03-22 | Alstom (Switzerland) Ltd | Method of producing cement clinker from a cement raw mix and clean gas from coal |
EP1096214A1 (en) * | 1999-10-25 | 2001-05-02 | ABB Energy Leasing S.à.r.l. | Process for simultaneous production of electrical power and dry powder material, and apparatus for carrying out this process |
WO2001073343A1 (en) * | 2000-03-27 | 2001-10-04 | Alstom (Switzerland) Ltd | Method of producing steam and an alternate product in a power plant |
-
2008
- 2008-09-03 WO PCT/EP2008/061602 patent/WO2009030700A2/en active Application Filing
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4080219A (en) * | 1975-10-21 | 1978-03-21 | The Associated Portland Cement Manufacturers Limited | Collateral drying process |
EP0045811A1 (en) * | 1980-02-15 | 1982-02-17 | Sumitomo Semento Kabushiki Kaisha | Method and apparatus for retrieving heat, ash, and sulfur oxides from gas discharged from boiler of power plant equipment |
EP0896958A1 (en) * | 1997-08-11 | 1999-02-17 | E. Schwenk Zementwerke KG | Process and apparatus for combined production of cement clinker and electric current |
CH689830A5 (en) * | 1998-09-02 | 1999-12-15 | Zappa Luzius | Integrated process for simultaneous production of cement clinker and electricity |
WO2000064832A1 (en) * | 1999-03-19 | 2000-11-02 | Vinod Chintamani Malshe | A plant and a process for manufacturing cement and electricity simultaneously |
WO2001019749A1 (en) * | 1999-09-16 | 2001-03-22 | Alstom (Switzerland) Ltd | Method of producing cement clinker from a cement raw mix and clean gas from coal |
EP1096214A1 (en) * | 1999-10-25 | 2001-05-02 | ABB Energy Leasing S.à.r.l. | Process for simultaneous production of electrical power and dry powder material, and apparatus for carrying out this process |
WO2001073343A1 (en) * | 2000-03-27 | 2001-10-04 | Alstom (Switzerland) Ltd | Method of producing steam and an alternate product in a power plant |
Also Published As
Publication number | Publication date |
---|---|
WO2009030700A2 (en) | 2009-03-12 |
WO2009030700A9 (en) | 2009-07-02 |
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