PT95032A - Metodo e sistema para controlar a eficiencia de vedacao de refluxo e a taxa de reciclagem em reactores de leito fluidificado - Google Patents
Metodo e sistema para controlar a eficiencia de vedacao de refluxo e a taxa de reciclagem em reactores de leito fluidificadoInfo
- Publication number
- PT95032A PT95032A PT95032A PT9503290A PT95032A PT 95032 A PT95032 A PT 95032A PT 95032 A PT95032 A PT 95032A PT 9503290 A PT9503290 A PT 9503290A PT 95032 A PT95032 A PT 95032A
- Authority
- PT
- Portugal
- Prior art keywords
- reflux
- controlling
- bed reactors
- recycling rate
- seed efficiency
- Prior art date
Links
- 238000000034 method Methods 0.000 title 1
- 238000004064 recycling Methods 0.000 title 1
- 238000010992 reflux Methods 0.000 title 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
- B01J8/1845—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles with particles moving upwards while fluidised
- B01J8/1863—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles with particles moving upwards while fluidised followed by a downward movement outside the reactor 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
- B01J8/24—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
-
- 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
- F23C10/005—Fluidised bed combustion apparatus comprising two or more beds
-
- 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
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C2206/00—Fluidised bed combustion
- F23C2206/10—Circulating fluidised bed
- F23C2206/101—Entrained or fast fluidised bed
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluidized-Bed Combustion And Resonant Combustion (AREA)
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/395,864 US4955295A (en) | 1989-08-18 | 1989-08-18 | Method and system for controlling the backflow sealing efficiency and recycle rate in fluidized bed reactors |
Publications (2)
Publication Number | Publication Date |
---|---|
PT95032A true PT95032A (pt) | 1992-05-29 |
PT95032B PT95032B (pt) | 1998-06-30 |
Family
ID=23564857
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PT95032A PT95032B (pt) | 1989-08-18 | 1990-08-17 | Metodo e sistema para controlar a eficiencia de vedacao de refluxo e a taxa de reciclagem em reactores de leito fluidificado |
Country Status (7)
Country | Link |
---|---|
US (1) | US4955295A (pt) |
EP (1) | EP0413611B1 (pt) |
JP (1) | JPH0610526B2 (pt) |
CN (1) | CN1023150C (pt) |
CA (1) | CA1292148C (pt) |
ES (1) | ES2050379T3 (pt) |
PT (1) | PT95032B (pt) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3922765A1 (de) * | 1989-07-11 | 1991-01-17 | Babcock Werke Ag | Feuerung, insbesondere wirbelschichtfeuerung |
US5037617A (en) * | 1990-01-04 | 1991-08-06 | Stone & Webster Engineering Corporation | Apparatus for the return of particulate solids through a cyclone separator to a vessel |
US5343631A (en) * | 1991-04-01 | 1994-09-06 | Amax Coal West, Inc. | Treatment of friable materials in fluid bed reactors |
FI89535C (fi) * | 1991-04-11 | 1997-07-22 | Tampella Power Oy | Foerbraenningsanlaeggning |
US5140950A (en) * | 1991-05-15 | 1992-08-25 | Foster Wheeler Energy Corporation | Fluidized bed combustion system and method having an integral recycle heat exchanger with recycle rate control and backflow sealing |
US5325796A (en) * | 1992-05-22 | 1994-07-05 | Foster Wheeler Energy Corporation | Process for decreasing N2 O emissions from a fluidized bed reactor |
US5510085A (en) * | 1992-10-26 | 1996-04-23 | Foster Wheeler Energy Corporation | Fluidized bed reactor including a stripper-cooler and method of operating same |
US5325823A (en) * | 1992-12-24 | 1994-07-05 | Foster Wheeler Energy Corporation | Large scale fluidized bed reactor |
NL9300666A (nl) * | 1993-04-20 | 1994-11-16 | Bronswerk Heat Transfer Bv | Inrichting voor het uitvoeren van een fysisch en/of chemisch proces, zoals een warmtewisselaar. |
US5395596A (en) * | 1993-05-11 | 1995-03-07 | Foster Wheeler Energy Corporation | Fluidized bed reactor and method utilizing refuse derived fuel |
US5347954A (en) * | 1993-07-06 | 1994-09-20 | Foster Wheeler Energy Corporation | Fluidized bed combustion system having an improved pressure seal |
US5537941A (en) * | 1994-04-28 | 1996-07-23 | Foster Wheeler Energy Corporation | Pressurized fluidized bed combustion system and method with integral recycle heat exchanger |
NL1005514C2 (nl) * | 1997-03-12 | 1998-09-15 | Bronswerk Heat Transfer Bv | Inrichting voor het uitvoeren van een fysisch en/of chemisch proces, zoals een warmtewisselaar. |
NL1005518C2 (nl) * | 1997-03-12 | 1998-09-15 | Bronswerk Heat Transfer Bv | Inrichting voor het uitvoeren van een fysisch en/of chemisch proces, zoals een warmtewisselaar. |
NL1005517C2 (nl) * | 1997-03-12 | 1998-09-15 | Bronswerk Heat Transfer Bv | Inrichting voor het uitvoeren van een fysisch en/of chemisch proces, zoals een warmtewisselaar. |
US5964085A (en) * | 1998-06-08 | 1999-10-12 | Siemens Westinghouse Power Corporation | System and method for generating a gaseous fuel from a solid fuel for use in a gas turbine based power plant |
FI110205B (fi) | 1998-10-02 | 2002-12-13 | Foster Wheeler Energia Oy | Menetelmä ja laite leijupetilämmönsiirtimessä |
FI20096170A (fi) * | 2009-11-10 | 2011-05-11 | Foster Wheeler Energia Oy | Menetelmä ja järjestely polttoaineen syöttämiseksi kiertoleijupetikattilaan |
FI122040B (fi) * | 2009-11-10 | 2011-07-29 | Foster Wheeler Energia Oy | Menetelmä ja järjestely polttoaineen syöttämiseksi kiertoleijupetikattilaan |
US9557115B2 (en) | 2010-10-28 | 2017-01-31 | General Electric Technology Gmbh | Orifice plate for controlling solids flow, methods of use thereof and articles comprising the same |
US9617087B2 (en) * | 2010-10-28 | 2017-04-11 | General Electric Technology Gmbh | Control valve and control valve system for controlling solids flow, methods of manufacture thereof and articles comprising the same |
DE102015105949A1 (de) * | 2015-04-18 | 2016-10-20 | Pn Power Plants Ag | Verfahren zur Verbrennung von festen brennbaren Stoffen in einer Feuerungsanlage |
US10429064B2 (en) | 2016-03-31 | 2019-10-01 | General Electric Technology Gmbh | System, method and apparatus for controlling the flow direction, flow rate and temperature of solids |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1381382A (fr) * | 1963-10-09 | 1964-12-14 | Procédé et appareillage perfectionnés pour le transfert de matières pulvérulentes | |
US4419965A (en) * | 1981-11-16 | 1983-12-13 | Foster Wheeler Energy Corporation | Fluidized reinjection of carryover in a fluidized bed combustor |
US4457289A (en) * | 1982-04-20 | 1984-07-03 | York-Shipley, Inc. | Fast fluidized bed reactor and method of operating the reactor |
US4604972A (en) * | 1985-03-11 | 1986-08-12 | Foster Wheeler Energy Corporation | Seal assembly for a vapor generator |
US4738569A (en) * | 1986-09-16 | 1988-04-19 | Combustion Engineering, Inc. | Apparatus for fluidizing a particulate material in a conveying gas |
DD262559A3 (de) * | 1986-11-06 | 1988-12-07 | Bergmann Borsig Veb | Verfahren und einrichtung zur trocknung und verbrennung von brenn- und abfallstoffen, insbesondere feuchter rohbraunkohle |
SE455726B (sv) * | 1986-12-11 | 1988-08-01 | Goetaverken Energy Ab | Forfarande vid reglering av kyleffekten i partikelkylare samt partikelkylare for pannor med cirkulerande fluidiserad bedd |
US4781574A (en) * | 1987-05-08 | 1988-11-01 | Foster Wheeler Development Corporation | Method and system for controlling cyclone collection efficiency and recycle rate in fluidized bed reactors |
US4860694A (en) * | 1988-09-12 | 1989-08-29 | The Babcock & Wilcox Company | Controlled discharge from a standpipe containing particulate materials |
-
1989
- 1989-08-18 US US07/395,864 patent/US4955295A/en not_active Expired - Fee Related
- 1989-09-26 CA CA000613279A patent/CA1292148C/en not_active Expired - Fee Related
-
1990
- 1990-08-16 JP JP2215122A patent/JPH0610526B2/ja not_active Expired - Lifetime
- 1990-08-17 PT PT95032A patent/PT95032B/pt not_active IP Right Cessation
- 1990-08-18 CN CN90107036.XA patent/CN1023150C/zh not_active Expired - Fee Related
- 1990-08-20 EP EP90309090A patent/EP0413611B1/en not_active Expired - Lifetime
- 1990-08-20 ES ES90309090T patent/ES2050379T3/es not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH0391603A (ja) | 1991-04-17 |
EP0413611A1 (en) | 1991-02-20 |
EP0413611B1 (en) | 1994-01-19 |
CN1049550A (zh) | 1991-02-27 |
CA1292148C (en) | 1991-11-19 |
ES2050379T3 (es) | 1994-05-16 |
US4955295A (en) | 1990-09-11 |
JPH0610526B2 (ja) | 1994-02-09 |
CN1023150C (zh) | 1993-12-15 |
PT95032B (pt) | 1998-06-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BB1A | Laying open of patent application |
Effective date: 19910122 |
|
FG3A | Patent granted, date of granting |
Effective date: 19980330 |
|
MM3A | Annulment or lapse |
Free format text: LAPSE DUE TO NON-PAYMENT OF FEES Effective date: 20010930 |