CA1088730A - Method for carrying out endothermic reduction processes in a circulating fluid bed and an apparatus therefor - Google Patents
Method for carrying out endothermic reduction processes in a circulating fluid bed and an apparatus thereforInfo
- Publication number
- CA1088730A CA1088730A CA243,848A CA243848A CA1088730A CA 1088730 A CA1088730 A CA 1088730A CA 243848 A CA243848 A CA 243848A CA 1088730 A CA1088730 A CA 1088730A
- Authority
- CA
- Canada
- Prior art keywords
- section
- lower section
- materials
- zone
- reaction zone
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 12
- 239000012530 fluid Substances 0.000 title claims abstract description 10
- 238000011946 reduction process Methods 0.000 title claims description 6
- 238000006243 chemical reaction Methods 0.000 claims abstract description 22
- 239000011343 solid material Substances 0.000 claims abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 18
- 230000009467 reduction Effects 0.000 claims abstract description 15
- 239000007789 gas Substances 0.000 claims description 27
- 239000000543 intermediate Substances 0.000 claims description 21
- 230000032258 transport Effects 0.000 claims description 20
- 238000006722 reduction reaction Methods 0.000 claims description 14
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 6
- 238000002485 combustion reaction Methods 0.000 claims description 6
- 229910001882 dioxygen Inorganic materials 0.000 claims description 6
- 239000003575 carbonaceous material Substances 0.000 claims description 4
- 238000005243 fluidization Methods 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 239000000428 dust Substances 0.000 claims description 3
- 230000008030 elimination Effects 0.000 claims description 3
- 238000003379 elimination reaction Methods 0.000 claims description 3
- 238000001556 precipitation Methods 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 3
- 238000009826 distribution Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 238000010405 reoxidation reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
- B01J8/24—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique
- B01J8/38—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique with fluidised bed containing a rotatable device or being subject to rotation or to a circulatory movement, i.e. leaving a vessel and subsequently re-entering it
- B01J8/384—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique with fluidised bed containing a rotatable device or being subject to rotation or to a circulatory movement, i.e. leaving a vessel and subsequently re-entering it being subject to a circulatory movement only
- B01J8/388—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique with fluidised bed containing a rotatable device or being subject to rotation or to a circulatory movement, i.e. leaving a vessel and subsequently re-entering it being subject to a circulatory movement only externally, i.e. the particles leaving the vessel and subsequently re-entering it
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
- B01J8/1836—Heating and cooling the reactor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
- B01J8/24—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique
- B01J8/26—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique with two or more fluidised beds, e.g. reactor and regeneration installations
- B01J8/28—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique with two or more fluidised beds, e.g. reactor and regeneration installations the one above the other
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00008—Controlling the process
- B01J2208/00017—Controlling the temperature
- B01J2208/00106—Controlling the temperature by indirect heat exchange
- B01J2208/00265—Part of all of the reactants being heated or cooled outside the reactor while recycling
- B01J2208/00292—Part of all of the reactants being heated or cooled outside the reactor while recycling involving reactant solids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00008—Controlling the process
- B01J2208/00017—Controlling the temperature
- B01J2208/0053—Controlling multiple zones along the direction of flow, e.g. pre-heating and after-cooling
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7500797A SE388363B (sv) | 1975-01-24 | 1975-01-24 | Sett for genomforande av endoterma reduktionsprocesser i cirkulerande flytbedd och anordning herfor |
| SE75-00797-1 | 1975-01-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1088730A true CA1088730A (en) | 1980-11-04 |
Family
ID=20323485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA243,848A Expired CA1088730A (en) | 1975-01-24 | 1976-01-20 | Method for carrying out endothermic reduction processes in a circulating fluid bed and an apparatus therefor |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US4042376A (enExample) |
| JP (1) | JPS5915011B2 (enExample) |
| AU (1) | AU502028B2 (enExample) |
| BE (1) | BE837845A (enExample) |
| CA (1) | CA1088730A (enExample) |
| DE (1) | DE2601619A1 (enExample) |
| FR (1) | FR2298365A1 (enExample) |
| GB (1) | GB1527021A (enExample) |
| IT (1) | IT1053423B (enExample) |
| LU (1) | LU74227A1 (enExample) |
| NL (1) | NL7600718A (enExample) |
| SE (1) | SE388363B (enExample) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE419129B (sv) * | 1979-05-29 | 1981-07-13 | Stora Kopparbergs Bergslags Ab | Anordning for reduktion av finfordelat jernoxidhaltigt material i en cirkulerande flytbedd |
| IE51626B1 (en) * | 1980-08-18 | 1987-01-21 | Fluidised Combustion Contract | A fluidised bed furnace and power generating plant including such a furnace |
| DE3443722A1 (de) * | 1984-11-30 | 1986-06-12 | Foerster Guenther | Verfahren zur thermischen beseitigung von halogenverbindungen, insbesondere dioxine, phosgen und polychlorierte biphenyle bildende chlorverbindungen enthaltenden abfaellen sowie wirbelschicht-reaktor zu seiner durchfuehrung |
| JPS62230911A (ja) * | 1986-03-31 | 1987-10-09 | Nippon Steel Corp | 高速流動層の操業方法 |
| FR2607025B1 (fr) * | 1986-11-21 | 1993-06-11 | Air Liquide | Procede et installation de traitement par fluidisation |
| NO164608C (no) * | 1988-04-20 | 1990-10-24 | Elkem Technology | Fremgangsmaate for fremstilling av metaller eller ferrolegeringer ved direkte reduksjon samt kolonne for behandling av finkornede materialer med gass. |
| FI87147C (fi) * | 1990-07-13 | 1992-12-10 | Ahlstroem Oy | Foerfarande och anordning foer behandling av gaser och/eller fast material i en reaktor med cirkulerande fluidiserad baedd |
| FI89944C (fi) * | 1990-12-21 | 1993-12-10 | Ahlstroem Oy | Foerfarande och anordning foer reglering av temperaturen i en reaktor med cirkulerande fluidiserad baedd |
| RU2104766C1 (ru) * | 1993-01-21 | 1998-02-20 | Иосиф Львович Резников | Способ обработки материала с широкодисперсным составом частиц в аппарате кипящего слоя со сужающимися книзу наклонными боковыми поверхностями |
| US5869018A (en) | 1994-01-14 | 1999-02-09 | Iron Carbide Holdings, Ltd. | Two step process for the production of iron carbide from iron oxide |
| US5690717A (en) * | 1995-03-29 | 1997-11-25 | Iron Carbide Holdings, Ltd. | Iron carbide process |
| US5804156A (en) * | 1996-07-19 | 1998-09-08 | Iron Carbide Holdings, Ltd. | Iron carbide process |
| DE19719481C2 (de) | 1997-05-07 | 2000-09-07 | Metallgesellschaft Ag | Verfahren zur Einstellung einer zirkulierenden Wirbelschicht |
| AU750751B2 (en) | 1998-03-31 | 2002-07-25 | Iron Carbide Holdings, Ltd | Process for the production of iron carbide from iron oxide using external sources of carbon monoxide |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3511642A (en) * | 1966-11-17 | 1970-05-12 | Exxon Research Engineering Co | Fluid iron ore reduction with inverse temperature staging |
| US3475160A (en) * | 1967-02-15 | 1969-10-28 | Exxon Research Engineering Co | Method of producing reducing gases for the fluidized bed reduction of ores |
| US3936296A (en) * | 1970-02-25 | 1976-02-03 | Campbell Donald L | Integrated fluidized reduction and melting of iron ores |
-
1975
- 1975-01-24 SE SE7500797A patent/SE388363B/xx unknown
-
1976
- 1976-01-17 DE DE19762601619 patent/DE2601619A1/de not_active Withdrawn
- 1976-01-20 CA CA243,848A patent/CA1088730A/en not_active Expired
- 1976-01-21 US US05/650,882 patent/US4042376A/en not_active Expired - Lifetime
- 1976-01-21 GB GB2389/76A patent/GB1527021A/en not_active Expired
- 1976-01-22 IT IT47760/76A patent/IT1053423B/it active
- 1976-01-22 LU LU74227A patent/LU74227A1/xx unknown
- 1976-01-23 AU AU10539/76A patent/AU502028B2/en not_active Expired
- 1976-01-23 FR FR7601917A patent/FR2298365A1/fr active Granted
- 1976-01-23 BE BE163745A patent/BE837845A/xx not_active IP Right Cessation
- 1976-01-23 NL NL7600718A patent/NL7600718A/xx not_active Application Discontinuation
- 1976-01-24 JP JP51006386A patent/JPS5915011B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2298365A1 (fr) | 1976-08-20 |
| SE388363B (sv) | 1976-10-04 |
| JPS5915011B2 (ja) | 1984-04-07 |
| GB1527021A (en) | 1978-10-04 |
| IT1053423B (it) | 1981-08-31 |
| BE837845A (fr) | 1976-05-14 |
| JPS5199671A (enExample) | 1976-09-02 |
| AU1053976A (en) | 1977-07-28 |
| LU74227A1 (enExample) | 1976-07-23 |
| FR2298365B1 (enExample) | 1979-05-18 |
| US4042376A (en) | 1977-08-16 |
| NL7600718A (nl) | 1976-07-27 |
| AU502028B2 (en) | 1979-07-12 |
| DE2601619A1 (de) | 1976-07-29 |
| SE7500797L (sv) | 1976-07-26 |
Similar Documents
| Publication | Publication Date | Title |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |