CA1271945A - Methode et dispositif de recirculation des fines dans un appareil de combustion a lit fluidise - Google Patents
Methode et dispositif de recirculation des fines dans un appareil de combustion a lit fluidiseInfo
- Publication number
- CA1271945A CA1271945A CA000490743A CA490743A CA1271945A CA 1271945 A CA1271945 A CA 1271945A CA 000490743 A CA000490743 A CA 000490743A CA 490743 A CA490743 A CA 490743A CA 1271945 A CA1271945 A CA 1271945A
- Authority
- CA
- Canada
- Prior art keywords
- bed
- fluidizing
- particles
- cyclone
- freeboard
- 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 - Fee Related
Links
- 239000012530 fluid Substances 0.000 title claims abstract description 63
- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000003134 recirculating effect Effects 0.000 title abstract description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims abstract description 98
- 239000002245 particle Substances 0.000 claims abstract description 82
- 239000000446 fuel Substances 0.000 claims abstract description 57
- 238000002485 combustion reaction Methods 0.000 claims abstract description 52
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 36
- 239000002594 sorbent Substances 0.000 claims abstract description 36
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 18
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical compound S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 claims abstract description 17
- 230000001629 suppression Effects 0.000 claims abstract description 17
- 238000012546 transfer Methods 0.000 claims abstract description 15
- TXKMVPPZCYKFAC-UHFFFAOYSA-N disulfur monoxide Inorganic materials O=S=S TXKMVPPZCYKFAC-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000007788 liquid Substances 0.000 claims abstract description 7
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 6
- 239000004449 solid propellant Substances 0.000 claims abstract description 4
- 239000007789 gas Substances 0.000 claims description 42
- 239000010419 fine particle Substances 0.000 claims description 26
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 24
- 238000004064 recycling Methods 0.000 claims description 21
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 17
- 238000009826 distribution Methods 0.000 claims description 15
- 229910052717 sulfur Inorganic materials 0.000 claims description 15
- 239000011593 sulfur Substances 0.000 claims description 15
- 229910052757 nitrogen Inorganic materials 0.000 claims description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 11
- 229910052799 carbon Inorganic materials 0.000 claims description 11
- 239000007787 solid Substances 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 5
- 239000003054 catalyst Substances 0.000 claims description 4
- 230000003628 erosive effect Effects 0.000 claims description 4
- 239000005864 Sulphur Substances 0.000 claims 2
- 230000015572 biosynthetic process Effects 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 claims 2
- 238000005507 spraying Methods 0.000 claims 1
- 230000005587 bubbling Effects 0.000 abstract description 23
- 238000002156 mixing Methods 0.000 abstract description 7
- 239000000463 material Substances 0.000 abstract description 6
- 238000005243 fluidization Methods 0.000 abstract description 4
- 239000003245 coal Substances 0.000 description 13
- 239000000567 combustion gas Substances 0.000 description 9
- 239000002006 petroleum coke Substances 0.000 description 9
- 239000010459 dolomite Substances 0.000 description 8
- 229910000514 dolomite Inorganic materials 0.000 description 8
- 229910052815 sulfur oxide Inorganic materials 0.000 description 8
- 230000008901 benefit Effects 0.000 description 6
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 239000003039 volatile agent Substances 0.000 description 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
- 239000002956 ash Substances 0.000 description 4
- 238000013459 approach Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 2
- 238000005054 agglomeration Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000006028 limestone Substances 0.000 description 2
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 2
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 2
- 239000001095 magnesium carbonate Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 241000543381 Cliftonia monophylla Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000809 air pollutant Substances 0.000 description 1
- 231100001243 air pollutant Toxicity 0.000 description 1
- JGIATAMCQXIDNZ-UHFFFAOYSA-N calcium sulfide Chemical compound [Ca]=S JGIATAMCQXIDNZ-UHFFFAOYSA-N 0.000 description 1
- 239000010883 coal ash Substances 0.000 description 1
- 238000009841 combustion method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N ferric oxide Chemical compound O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000010574 gas phase reaction Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- -1 nitrogen oxide ions Chemical class 0.000 description 1
- JTJMJGYZQZDUJJ-UHFFFAOYSA-N phencyclidine Chemical class C1CCCCN1C1(C=2C=CC=CC=2)CCCCC1 JTJMJGYZQZDUJJ-UHFFFAOYSA-N 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B31/00—Modifications of boiler construction, or of tube systems, dependent on installation of combustion apparatus; Arrangements or dispositions of combustion apparatus
- F22B31/0007—Modifications of boiler construction, or of tube systems, dependent on installation of combustion apparatus; Arrangements or dispositions of combustion apparatus with combustion in a fluidized bed
- F22B31/0084—Modifications of boiler construction, or of tube systems, dependent on installation of combustion apparatus; Arrangements or dispositions of combustion apparatus with combustion in a fluidized bed with recirculation of separated solids or with cooling of the bed particles outside the combustion bed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C10/00—Fluidised bed combustion apparatus
- F23C10/02—Fluidised bed combustion apparatus with means specially adapted for achieving or promoting a circulating movement of particles within the bed or for a recirculation of particles entrained from the bed
- F23C10/04—Fluidised bed combustion apparatus with means specially adapted for achieving or promoting a circulating movement of particles within the bed or for a recirculation of particles entrained from the bed the particles being circulated to a section, e.g. a heat-exchange section or a return duct, at least partially shielded from the combustion zone, before being reintroduced into the combustion zone
- F23C10/08—Fluidised bed combustion apparatus with means specially adapted for achieving or promoting a circulating movement of particles within the bed or for a recirculation of particles entrained from the bed the particles being circulated to a section, e.g. a heat-exchange section or a return duct, at least partially shielded from the combustion zone, before being reintroduced into the combustion zone characterised by the arrangement of separation apparatus, e.g. cyclones, for separating particles from the flue gases
- F23C10/10—Fluidised bed combustion apparatus with means specially adapted for achieving or promoting a circulating movement of particles within the bed or for a recirculation of particles entrained from the bed the particles being circulated to a section, e.g. a heat-exchange section or a return duct, at least partially shielded from the combustion zone, before being reintroduced into the combustion zone characterised by the arrangement of separation apparatus, e.g. cyclones, for separating particles from the flue gases the separation apparatus being located outside the combustion chamber
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Fluidized-Bed Combustion And Resonant Combustion (AREA)
- Treating Waste Gases (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US65430284A | 1984-09-24 | 1984-09-24 | |
| US654,302 | 1991-02-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1271945A true CA1271945A (fr) | 1990-07-24 |
Family
ID=24624292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000490743A Expired - Fee Related CA1271945A (fr) | 1984-09-14 | 1985-09-13 | Methode et dispositif de recirculation des fines dans un appareil de combustion a lit fluidise |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP0176293B1 (fr) |
| JP (1) | JPH0799250B2 (fr) |
| CA (1) | CA1271945A (fr) |
| DE (1) | DE3582385D1 (fr) |
| DK (1) | DK429885A (fr) |
| NO (1) | NO853713L (fr) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4756890A (en) * | 1986-05-09 | 1988-07-12 | Pyropower Corporation | Reduction of NOx in flue gas |
| GR1000870B (el) * | 1988-06-24 | 1993-03-16 | Ahlstroem Oy | Καύση καυσίμου το οποίο περιλαμβάνει αλκαλικές συν?έσεις. |
| US5133950A (en) * | 1990-04-17 | 1992-07-28 | A. Ahlstrom Corporation | Reducing N2 O emissions when burning nitrogen-containing fuels in fluidized bed reactors |
| US5395596A (en) * | 1993-05-11 | 1995-03-07 | Foster Wheeler Energy Corporation | Fluidized bed reactor and method utilizing refuse derived fuel |
| US5362462A (en) * | 1993-05-26 | 1994-11-08 | Air Products And Chemicals, Inc. | Process for nitrogen oxides reduction |
| US5538704A (en) * | 1993-05-26 | 1996-07-23 | Air Products And Chemicals, Inc. | Reduction of ammonia slip in nitrogen oxides reduction process |
| US5465690A (en) * | 1994-04-12 | 1995-11-14 | A. Ahlstrom Corporation | Method of purifying gases containing nitrogen oxides and an apparatus for purifying gases in a steam generation boiler |
| US5462718A (en) * | 1994-06-13 | 1995-10-31 | Foster Wheeler Energy Corporation | System for decreasing NOx emissions from a fluidized bed reactor |
| SE9601392L (sv) | 1996-04-12 | 1997-10-13 | Abb Carbon Ab | Förfarande för förbränning och förbränningsanläggning |
| SE9601393L (sv) | 1996-04-12 | 1997-10-13 | Abb Carbon Ab | Förfarande för förbränning och förbränningsanläggning |
| US5820838A (en) * | 1996-09-27 | 1998-10-13 | Foster Wheeler Energia Oy | Method and an apparatus for injection of NOx reducing agent |
| CN100436941C (zh) * | 2005-07-05 | 2008-11-26 | 中国石油大学(北京) | 一种煤焦粉的燃烧方法及设备 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3900554A (en) * | 1973-03-16 | 1975-08-19 | Exxon Research Engineering Co | Method for the reduction of the concentration of no in combustion effluents using ammonia |
| US4021184A (en) * | 1975-10-02 | 1977-05-03 | Dorr-Oliver Incorporated | Dilute phase waste incinerator |
| DE2624302C2 (de) * | 1976-05-31 | 1987-04-23 | Metallgesellschaft Ag, 6000 Frankfurt | Verfahren zur Durchführung exothermer Prozesse |
| JPS5817366B2 (ja) * | 1977-07-20 | 1983-04-06 | 日立造船株式会社 | 排ガス脱硝型流動床式燃焼装置 |
| JPS55165402A (en) * | 1979-06-12 | 1980-12-23 | Babcock Hitachi Kk | Fluidized bed boiler apparatus |
| CH662639A5 (de) * | 1981-12-10 | 1987-10-15 | Sulzer Ag | Waermeuebertrager mit wirbelbettfeuerung. |
| FR2537701A1 (fr) * | 1982-12-08 | 1984-06-15 | Creusot Loire | Procede et installation de recyclage d'imbrules solides dans un lit fluidise |
| DE3307848A1 (de) * | 1983-03-05 | 1984-09-06 | Metallgesellschaft Ag, 6000 Frankfurt | Verfahren zur nachverbrennung und reinigung von prozessabgasen |
| JPS6029847A (ja) * | 1983-07-28 | 1985-02-15 | Fujitsu Ltd | タスクの処理方法 |
-
1985
- 1985-09-13 CA CA000490743A patent/CA1271945A/fr not_active Expired - Fee Related
- 1985-09-13 EP EP85306529A patent/EP0176293B1/fr not_active Expired - Lifetime
- 1985-09-13 DE DE8585306529T patent/DE3582385D1/de not_active Expired - Fee Related
- 1985-09-13 JP JP60201971A patent/JPH0799250B2/ja not_active Expired - Lifetime
- 1985-09-23 NO NO853713A patent/NO853713L/no unknown
- 1985-09-23 DK DK429885A patent/DK429885A/da not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| EP0176293A3 (en) | 1987-04-22 |
| DK429885A (da) | 1986-03-25 |
| EP0176293B1 (fr) | 1991-04-03 |
| DE3582385D1 (de) | 1991-05-08 |
| JPS61105007A (ja) | 1986-05-23 |
| NO853713L (no) | 1986-03-25 |
| JPH0799250B2 (ja) | 1995-10-25 |
| DK429885D0 (da) | 1985-09-23 |
| EP0176293A2 (fr) | 1986-04-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKLA | Lapsed |