FI92628B - Reactor with circulating fluidized bed and method for treating a gas stream therein - Google Patents

Reactor with circulating fluidized bed and method for treating a gas stream therein

Info

Publication number
FI92628B
FI92628B FI932489A FI932489A FI92628B FI 92628 B FI92628 B FI 92628B FI 932489 A FI932489 A FI 932489A FI 932489 A FI932489 A FI 932489A FI 92628 B FI92628 B FI 92628B
Authority
FI
Finland
Prior art keywords
reactor
treating
gas stream
fluidized bed
circulating fluidized
Prior art date
Application number
FI932489A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI932489A0 (en
Inventor
Aimo Asikainen
Timo Hyppaenen
Original Assignee
Ahlstroem Oy
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ahlstroem Oy filed Critical Ahlstroem Oy
Priority to FI932489A priority Critical patent/FI92628B/en
Publication of FI932489A0 publication Critical patent/FI932489A0/en
Priority to PCT/FI1994/000219 priority patent/WO1994027716A1/en
Application granted granted Critical
Publication of FI92628B publication Critical patent/FI92628B/en

Links

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
    • B01J8/005—Separating solid material from the gas/liquid stream
    • B01J8/0055—Separating solid material from the gas/liquid stream using cyclones
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C5/00—Apparatus in which the axial direction of the vortex is reversed
    • B04C5/12—Construction of the overflow ducting, e.g. diffusing or spiral exits
    • 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

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)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
FI932489A 1993-06-01 1993-06-01 Reactor with circulating fluidized bed and method for treating a gas stream therein FI92628B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FI932489A FI92628B (en) 1993-06-01 1993-06-01 Reactor with circulating fluidized bed and method for treating a gas stream therein
PCT/FI1994/000219 WO1994027716A1 (en) 1993-06-01 1994-05-31 Circulating fluidized bed reactor and method of treating gas flows in the circulating fluidized bed reactor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI932489A FI92628B (en) 1993-06-01 1993-06-01 Reactor with circulating fluidized bed and method for treating a gas stream therein

Publications (2)

Publication Number Publication Date
FI932489A0 FI932489A0 (en) 1993-06-01
FI92628B true FI92628B (en) 1994-08-31

Family

ID=8538046

Family Applications (1)

Application Number Title Priority Date Filing Date
FI932489A FI92628B (en) 1993-06-01 1993-06-01 Reactor with circulating fluidized bed and method for treating a gas stream therein

Country Status (2)

Country Link
FI (1) FI92628B (en)
WO (1) WO1994027716A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7770543B2 (en) 2007-08-29 2010-08-10 Honeywell International Inc. Control of CFB boiler utilizing accumulated char in bed inventory

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1566403A (en) * 1968-02-22 1969-05-09
US3917458A (en) * 1972-07-21 1975-11-04 Nicoll Jr Frank S Gas filtration system employing a filtration screen of particulate solids
US4397816A (en) * 1981-11-23 1983-08-09 Exxon Research And Engineering Co. Apparatus for regeneration of spent cracking catalyst
FI66297C (en) * 1982-11-15 1984-10-10 Ahlstroem Oy ANORDINATION FOR AVAILABLE FASHION COMPONENTS FOR ROVERGASER
CA1274422A (en) * 1985-08-07 1990-09-25 Juan A. Garcia-Mallol Fluidized bed reactor and method of operating same
SE466814B (en) * 1989-06-01 1992-04-06 Kvaerner Generator Ab DEVICE FOR DEGRADATION OF GASES GENERATED FOR PRESENT BURNING AT UNGEFER 850 DEGREES C OF THE SOLID BROWN IN A LIQUID BED

Also Published As

Publication number Publication date
FI932489A0 (en) 1993-06-01
WO1994027716A1 (en) 1994-12-08

Similar Documents

Publication Publication Date Title
HK127897A (en) Method and apparatus for treating a belt-like article
EP0529667A3 (en) Method and apparatus for high velocity gas injection
EP0518482A3 (en) Fluidized bed combustion system and method
EP0461846A3 (en) Fluidized bed combustion system and process for operating same
IL114988A0 (en) Fluidized bed reactor and method of operation thereof
NO954504D0 (en) Apparatus for treating overbites
EP0695576A4 (en) Fluidized bed reactor and temperature control method for fluidized bed reactor
GB2256470B (en) Method and apparatus for preventing the adhesion of dust in a furnace or fluidized bed incinerator
FI921224A0 (en) Method and apparatus for preheating a fluidized bed
FI932701A (en) Process and reactor for treatment of process gas
DK0458416T3 (en) Apparatus and method for introducing catalyst particles into a moving catalyst bed
PL316391A1 (en) Method of treating tail gases from a reactor with circulating fluidised bed of increased pressure
EP0761299A3 (en) Method and apparatus for direct oxygen injection with a reactant stream into a fluidized bed reactor
GB9115069D0 (en) Process for simultaneously effecting desulfurization and denitration within furnace
KR100231453B1 (en) Method and apparatus for selective reduction of the no-content from a kiln plant
FI92628B (en) Reactor with circulating fluidized bed and method for treating a gas stream therein
NO955267D0 (en) Process for the thermal treatment of iron oxides in a circulating fluidized bed
EG19841A (en) Method for treating respiratory dissorders
FI953570A0 (en) Method and apparatus for controlling the internal circulation movement of a fluidized bed reactor, and a reactor containing such a device
GB9221547D0 (en) Flue gas nox reduction in a fluidized bed reactor
FI922635A (en) Method and apparatus for treating fiber suspension
DE59305341D1 (en) Fluidized bed reactor with nozzle grate
GB2260278B (en) A method of and apparatus for treating flue gases
FI103941B1 (en) Method and apparatus for treating animal body
FI970652A0 (en) Swirl bed reactor system and method for using the same

Legal Events

Date Code Title Description
BB Publication of examined application
FD Application lapsed