EP0182697B2 - Verfahren und Vorrichtung zur thermischen Behandlung, verwendbar bei der Herstellung eines hydraulischen Bindemittels, enhaltend eine Nachverbrennungsstufe - Google Patents
Verfahren und Vorrichtung zur thermischen Behandlung, verwendbar bei der Herstellung eines hydraulischen Bindemittels, enhaltend eine Nachverbrennungsstufe Download PDFInfo
- Publication number
- EP0182697B2 EP0182697B2 EP85402108A EP85402108A EP0182697B2 EP 0182697 B2 EP0182697 B2 EP 0182697B2 EP 85402108 A EP85402108 A EP 85402108A EP 85402108 A EP85402108 A EP 85402108A EP 0182697 B2 EP0182697 B2 EP 0182697B2
- Authority
- EP
- European Patent Office
- Prior art keywords
- combustion
- powdery material
- calcination
- post
- fuel
- 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.)
- Expired - Lifetime
Links
- 238000002485 combustion reaction Methods 0.000 title claims description 108
- 238000000034 method Methods 0.000 title claims description 31
- 238000004519 manufacturing process Methods 0.000 title claims description 27
- 239000011230 binding agent Substances 0.000 title claims description 25
- 238000009434 installation Methods 0.000 title description 54
- 238000010438 heat treatment Methods 0.000 title description 19
- 239000000463 material Substances 0.000 claims description 122
- 238000001354 calcination Methods 0.000 claims description 71
- 239000007789 gas Substances 0.000 claims description 65
- 239000000446 fuel Substances 0.000 claims description 63
- 238000000926 separation method Methods 0.000 claims description 41
- 239000004568 cement Substances 0.000 claims description 24
- 239000000779 smoke Substances 0.000 claims description 13
- 238000007669 thermal treatment Methods 0.000 claims description 10
- 239000000567 combustion gas Substances 0.000 claims description 9
- 150000001875 compounds Chemical class 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 8
- 239000000126 substance Substances 0.000 claims description 5
- 238000004064 recycling Methods 0.000 claims description 4
- 230000001174 ascending effect Effects 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims description 3
- 239000000428 dust Substances 0.000 claims description 2
- 238000010304 firing Methods 0.000 claims 15
- 230000001473 noxious effect Effects 0.000 claims 3
- 230000000694 effects Effects 0.000 claims 1
- 230000033116 oxidation-reduction process Effects 0.000 claims 1
- 230000001590 oxidative effect Effects 0.000 description 10
- 238000010411 cooking Methods 0.000 description 8
- 238000005243 fluidization Methods 0.000 description 7
- 230000009257 reactivity Effects 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 5
- 239000002245 particle Substances 0.000 description 4
- 239000002585 base Substances 0.000 description 3
- 239000007800 oxidant agent Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 235000013312 flour Nutrition 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 239000002006 petroleum coke Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 229910000272 alkali metal oxide Inorganic materials 0.000 description 1
- FFBHFFJDDLITSX-UHFFFAOYSA-N benzyl N-[2-hydroxy-4-(3-oxomorpholin-4-yl)phenyl]carbamate Chemical compound OC1=C(NC(=O)OCC2=CC=CC=C2)C=CC(=C1)N1CCOCC1=O FFBHFFJDDLITSX-UHFFFAOYSA-N 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000012254 powdered material Substances 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/2016—Arrangements of preheating devices for the charge
- F27B7/2025—Arrangements of preheating devices for the charge consisting of a single string of cyclones
- F27B7/2033—Arrangements of preheating devices for the charge consisting of a single string of cyclones with means for precalcining the raw material
Definitions
- the gas consisting of air consists of hot air coming from an air cooling zone of the calcined material or cooked evacuated from the calcination zone.
- the residence time in the system for treating the pulverulent material can be modulated as desired before the calcination or actual cooking so as to adapt the residence time as a function of the specificity of the pulverulent material or of the component causing an exothermic reaction or combustible component.
- the residence time in the post-combustion zone can be modulated so as to reduce the rate of unburnt material coming from the pre-calcination zone by a limited quantity of gas. oxidizer, generally air.
- the calcination oven 101 or baking is a rotary oven which is provided with a smoke box 108 by which the gases from the calcination oven 101 or baking go up through a conduit 109 leading to the pre -calciner 103.
- the mixture of the pulverulent material, the combustible component and the gases, in particular combustion air, are evacuated from the precalciner 103 by a conduit 110 towards the pre-heating system, comprising a stage separation bottom 106 separating gases from solids.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Furnace Details (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Crucibles And Fluidized-Bed Furnaces (AREA)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Claims (17)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT85402108T ATE62739T1 (de) | 1984-11-12 | 1985-10-31 | Verfahren und vorrichtung zur thermischen behandlung, verwendbar bei der herstellung eines hydraulischen bindemittels, enhaltend eine nachverbrennungsstufe. |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8417213 | 1984-11-12 | ||
FR8417213A FR2573063B1 (fr) | 1984-11-12 | 1984-11-12 | Procede et installation de traitement thermique, pouvant etre applique a la fabrication d'un liant hydraulique, comprenant une etape de post-combustion |
FR8515483A FR2588853B2 (fr) | 1985-10-18 | 1985-10-18 | Procede et installation de traitement thermique, pouvant etre applique a la fabrication d'un liant hydraulique, comprenant une etape de post-combustion |
FR8515483 | 1985-10-18 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0182697A1 EP0182697A1 (de) | 1986-05-28 |
EP0182697B1 EP0182697B1 (de) | 1991-04-17 |
EP0182697B2 true EP0182697B2 (de) | 1994-11-02 |
Family
ID=26224236
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP85402108A Expired - Lifetime EP0182697B2 (de) | 1984-11-12 | 1985-10-31 | Verfahren und Vorrichtung zur thermischen Behandlung, verwendbar bei der Herstellung eines hydraulischen Bindemittels, enhaltend eine Nachverbrennungsstufe |
Country Status (5)
Country | Link |
---|---|
US (1) | US4664625A (de) |
EP (1) | EP0182697B2 (de) |
JP (1) | JPH0742145B2 (de) |
DE (2) | DE182697T1 (de) |
DK (1) | DK163230C (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0776671B2 (ja) * | 1990-06-26 | 1995-08-16 | 丸尾カルシウム株式会社 | 粉粒状原料の予熱装置 |
US5122190A (en) * | 1990-07-13 | 1992-06-16 | Southdown, Inc. | Method for producing a hydraulic binder |
JPH08111472A (ja) * | 1994-10-07 | 1996-04-30 | Nec Corp | ピングリッドアレイ型パッケージ |
JPH09129776A (ja) * | 1995-10-31 | 1997-05-16 | Nec Corp | 集積回路パッケージ |
DE102008053135B3 (de) | 2008-10-24 | 2010-07-01 | Polysius Ag | Verfahren und Anlage zur Herstellung von Zementklinker |
DE102022116337B4 (de) * | 2022-06-30 | 2024-01-18 | Ali Memari Fard | Verfahren zur Herstellung eines gesinterten Materials zumindest aus einem alumiumhaltigen Rohstoff, vorzugsweise Nephelin, welcher als Rohmehl vorliegt |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1406965A (en) * | 1973-11-08 | 1975-09-17 | Ishikawajima Harima Heavy Ind | Suspension-type preheating system for powdery raw materials |
DK333075A (da) * | 1974-07-31 | 1976-02-01 | Mitsubishi Heavy Ind Ltd | Fremgangsmade og apparat til kalcinering af cementmaterialer |
JPS532646B2 (de) * | 1974-09-30 | 1978-01-30 | ||
JPS5187528A (ja) * | 1975-01-31 | 1976-07-31 | Onoda Cement Co Ltd | Kashosochitsukisementoshoseisochino furyoseigyosochi |
DE2602889A1 (de) * | 1976-01-27 | 1977-07-28 | Polysius Ag | Vorrichtung zur waermebehandlung von feingut |
JPS5388658A (en) * | 1976-11-29 | 1978-08-04 | Mitsubishi Heavy Ind Ltd | Fluidized bed calcining apparatus equipped with preheating means |
DE2712238C2 (de) * | 1977-03-21 | 1988-05-05 | Klöckner-Humboldt-Deutz AG, 5000 Köln | Verfahren und Vorrichtung zum mehrstufigen Erbrennen von Zementklinker |
DE2801161B2 (de) * | 1978-01-12 | 1981-06-25 | Babcock Krauss-Maffei Industrieanlagen GmbH, 8000 München | Verfahren und Brennen von Sintergut aus karbonatischen Rohstoffen wie z.B. Zementklinker |
DE2833774C2 (de) * | 1978-08-02 | 1984-08-16 | Klöckner-Humboldt-Deutz AG, 5000 Köln | Brennanlage zur Herstellung von mineralischen Brennprodukten, wie Zementklinker aus Rohmehl |
DE2931214C2 (de) * | 1979-08-01 | 1986-06-12 | Klöckner-Humboldt-Deutz AG, 5000 Köln | Verfahren und Vorrichtung zur Trocknung und Feinmahlung von Kohle |
DE2933289C2 (de) * | 1979-08-17 | 1985-10-03 | Klöckner-Humboldt-Deutz AG, 5000 Köln | Verfahren zum Brennen von Klinker aus Zementrohstoffen |
FR2505813A1 (fr) * | 1981-05-15 | 1982-11-19 | Fives Cail Babcock | Perfectionnements aux procedes et installations pour la fabrication du clinker de ciment par voie seche |
US4372784A (en) * | 1981-08-21 | 1983-02-08 | Allis-Chalmers Corporation | Method for heat treating pulverous raw material calcining combustor therefor |
US4381916A (en) * | 1981-09-11 | 1983-05-03 | Fuller Company | Method and apparatus for roasting fine grained ores |
JPS5899150A (ja) * | 1981-12-04 | 1983-06-13 | 三菱鉱業セメント株式会社 | 粉状物質の仮焼装置 |
-
1985
- 1985-10-31 EP EP85402108A patent/EP0182697B2/de not_active Expired - Lifetime
- 1985-10-31 DE DE198585402108T patent/DE182697T1/de active Pending
- 1985-10-31 DE DE8585402108T patent/DE3582564D1/de not_active Expired - Fee Related
- 1985-11-06 US US06/795,640 patent/US4664625A/en not_active Expired - Lifetime
- 1985-11-11 DK DK518985A patent/DK163230C/da not_active IP Right Cessation
- 1985-11-12 JP JP60253614A patent/JPH0742145B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH0742145B2 (ja) | 1995-05-10 |
DK518985A (da) | 1986-05-13 |
DK518985D0 (da) | 1985-11-11 |
JPS61174149A (ja) | 1986-08-05 |
EP0182697B1 (de) | 1991-04-17 |
DK163230B (da) | 1992-02-10 |
EP0182697A1 (de) | 1986-05-28 |
DK163230C (da) | 1992-07-06 |
DE182697T1 (de) | 1986-11-06 |
DE3582564D1 (de) | 1991-05-23 |
US4664625A (en) | 1987-05-12 |
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