ZA969180B - A process for recycling fine-particle solids discharged from a reactor vessel with a gas - Google Patents

A process for recycling fine-particle solids discharged from a reactor vessel with a gas

Info

Publication number
ZA969180B
ZA969180B ZA969180A ZA969180A ZA969180B ZA 969180 B ZA969180 B ZA 969180B ZA 969180 A ZA969180 A ZA 969180A ZA 969180 A ZA969180 A ZA 969180A ZA 969180 B ZA969180 B ZA 969180B
Authority
ZA
South Africa
Prior art keywords
gas
reactor vessel
particle solids
solids discharged
recycling fine
Prior art date
Application number
ZA969180A
Other languages
English (en)
Inventor
Michael Nagl
Johannes Schenk
Josef Stockinger
Original Assignee
Voest Alpine Ind Anlagen
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 Voest Alpine Ind Anlagen filed Critical Voest Alpine Ind Anlagen
Publication of ZA969180B publication Critical patent/ZA969180B/xx

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
    • B01J8/0015—Feeding of the particles in the reactor; Evacuation of the particles out of 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
    • B01J8/005—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
    • B04C5/14—Construction of the underflow ducting; Apex constructions; Discharge arrangements ; discharge through sidewall provided with a few slits or perforations
    • 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
    • B04C5/14—Construction of the underflow ducting; Apex constructions; Discharge arrangements ; discharge through sidewall provided with a few slits or perforations
    • B04C5/18—Construction of the underflow ducting; Apex constructions; Discharge arrangements ; discharge through sidewall provided with a few slits or perforations with auxiliary fluid assisting discharge
    • 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
    • B04C5/14—Construction of the underflow ducting; Apex constructions; Discharge arrangements ; discharge through sidewall provided with a few slits or perforations
    • B04C5/185—Dust collectors
    • 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
    • B04C5/24—Multiple arrangement thereof
    • B04C5/30—Recirculation constructions in or with cyclones which accomplish a partial recirculation of the medium, e.g. by means of conduits
    • 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
    • B04C9/00—Combinations with other devices, e.g. fans, expansion chambers, diffusors, water locks
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/0006—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/0006—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state
    • C21B13/0026—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state introduction of iron oxide in the flame of a burner or a hot gas stream
    • 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
    • F27B15/00—Fluidised-bed furnaces; Other furnaces using or treating finely-divided materials in dispersion
    • F27B15/02—Details, accessories, or equipment peculiar to furnaces of these types
    • F27B15/12—Arrangements of dust collectors
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
    • C21B2100/40—Gas purification of exhaust gases to be recirculated or used in other metallurgical processes
    • C21B2100/44—Removing particles, e.g. by scrubbing, dedusting
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Metallurgy (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Dispersion Chemistry (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
  • Fluidized-Bed Combustion And Resonant Combustion (AREA)
  • Cyclones (AREA)
  • Combined Means For Separation Of Solids (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Crucibles And Fluidized-Bed Furnaces (AREA)
ZA969180A 1995-11-02 1996-10-31 A process for recycling fine-particle solids discharged from a reactor vessel with a gas ZA969180B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0181295A AT403168B (de) 1995-11-02 1995-11-02 Verfahren und einrichtung zum rückführen eines aus einem reaktorgefäss mit einem gas ausgetragenen feinteiligen feststoffes

Publications (1)

Publication Number Publication Date
ZA969180B true ZA969180B (en) 1997-05-29

Family

ID=3521522

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA969180A ZA969180B (en) 1995-11-02 1996-10-31 A process for recycling fine-particle solids discharged from a reactor vessel with a gas

Country Status (16)

Country Link
US (1) US6202576B1 (cs)
EP (1) EP0858365B1 (cs)
JP (1) JPH11514921A (cs)
KR (1) KR100296187B1 (cs)
CN (1) CN1079280C (cs)
AT (1) AT403168B (cs)
AU (1) AU725255B2 (cs)
BR (1) BR9611132A (cs)
CA (1) CA2236523C (cs)
CZ (1) CZ286776B6 (cs)
DE (1) DE59601523D1 (cs)
RU (1) RU2148428C1 (cs)
SK (1) SK52798A3 (cs)
TW (1) TW330156B (cs)
WO (1) WO1997016244A1 (cs)
ZA (1) ZA969180B (cs)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2710034C (en) * 2000-12-21 2012-07-10 Rentech, Inc. Biomass gasification system and method
NL1027932C2 (nl) * 2004-12-31 2006-07-03 Btg Biomass Technology Group B Dipleg, werkwijze voor het gebruik ervan en toepassingen van de dipleg.
GB0523338D0 (en) * 2005-11-16 2005-12-28 Inbulk Technologies Ltd Vacuum conveying velocity control device
DE102007009759A1 (de) * 2007-02-27 2008-08-28 Outotec Oyj Verfahren und Vorrichtung zur Aufteilung eines Feststoffstromes
AT507524B1 (de) * 2008-10-23 2010-10-15 Siemens Vai Metals Tech Gmbh Verfahren und vorrichtung zum abtrennen von partikelförmigen feststoffen von einem gasstrom
AT506949B1 (de) * 2008-12-19 2010-01-15 Siemens Vai Metals Tech Gmbh Verfahren zur herstellung von flüssigen metallen
JP5759828B2 (ja) * 2011-08-10 2015-08-05 高砂工業株式会社 原料粉末回収システム
WO2015198285A1 (en) * 2014-06-27 2015-12-30 Tubitak A coal feeding system
CN108392929B (zh) * 2018-04-24 2023-12-15 中国石油大学(北京) 分离装置
CN108686839B (zh) * 2018-05-29 2023-10-31 贵州富燃环保科技有限公司 一种高效净化旋风分离器
FR3086369B1 (fr) * 2018-09-20 2021-01-01 Ifp Energies Now Dispositif et procede de combustion en boucle chimique avec separateur de particules muni d'une conduite d'admission inclinee
US11007542B2 (en) * 2019-04-08 2021-05-18 Fmc Technologies, Inc. Cyclone separator and methods of using same
CN112007432A (zh) * 2020-09-18 2020-12-01 日扬科技股份有限公司 气固分离系统
CA3153460A1 (en) * 2021-03-30 2022-09-30 Kyata Capital Inc. Systems and methods for removing contaminants from surfaces of solid material
CN114570152B (zh) * 2022-03-28 2023-12-19 南京诺令生物科技有限公司 一种分离与提纯低颗粒物气体的集成装置及其分离提纯方法

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US4117786A (en) * 1977-05-24 1978-10-03 United Technologies Corporation Inlet air preheating for pyrolysis system
US4419965A (en) * 1981-11-16 1983-12-13 Foster Wheeler Energy Corporation Fluidized reinjection of carryover in a fluidized bed combustor
US4453497A (en) * 1982-12-21 1984-06-12 Struthers Wells Corporation Augmented heat transfer method and apparatus
DE3412930A1 (de) * 1984-04-06 1985-10-17 L. & C. Steinmüller GmbH, 5270 Gummersbach Verfahren und vorrichtung zum ausschleusen von feststoffen (staub) aus unter druck stehenden prozessgasen
FI75505C (fi) * 1985-01-11 1988-07-11 Ahlstroem Oy Foerfarande och anordning foer avskiljning av fast material ur roekgaserna fraon en reaktor med cirkulerande baedd.
FI853615L (fi) * 1985-09-20 1987-03-21 Tampella Oy Ab Foerfarande foer minskning av utslaeppen av kvaeve- och svaveloxider vid foerbraenning av kvaeve- och svavelhaltigt braensle.
US4679511A (en) * 1986-04-30 1987-07-14 Combustion Engineering, Inc. Fluidized bed reactor having integral solids separator
US4688521A (en) * 1986-05-29 1987-08-25 Donlee Technologies Inc. Two stage circulating fluidized bed reactor and method of operating the reactor
US4700636A (en) * 1986-10-23 1987-10-20 Dorr-Oliver Incorporated Ash classifier
DE3702892A1 (de) * 1987-01-31 1988-08-11 Rheinische Braunkohlenw Ag Verfahren und einrichtung zur behandlung von koernigen feststoffen in einer wirbelschicht
GB2203672B (en) * 1987-04-16 1991-07-24 Coal Ind Improvements in or relating to fluidised beds
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
FI873735A0 (fi) * 1987-08-28 1987-08-28 Ahlstroem Oy Foerfarande och anordning foer foergasning av fast kolhaltigt material.
US4838898A (en) * 1988-06-30 1989-06-13 Shell Oil Company Method of removal and disposal of fly ash from a high-temperature, high-pressure synthesis gas stream
US5110323A (en) 1990-01-04 1992-05-05 Stone & Webster Engineering Corp. Process for the return of recovered particulate solids by a cyclone separator to a vessel
US4977837A (en) * 1990-02-27 1990-12-18 National Recovery Technologies, Inc. Process and apparatus for reducing heavy metal toxicity in fly ash from solid waste incineration
JPH0443211A (ja) * 1990-06-08 1992-02-13 Takahashi Shoten:Kk 熱風発生装置付きおから焼却炉
DE4041936C1 (cs) * 1990-12-27 1992-09-24 Deutsche Voest-Alpine Industrieanlagenbau Gmbh, 4000 Duesseldorf, De
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FR2698637B1 (fr) * 1992-11-27 1995-01-27 Lorraine Laminage Installation de réduction du minerai de fer utilisant des lits de particules solides fluidisés par un gaz réducteur.
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.
US5584255A (en) * 1995-06-07 1996-12-17 Proler Environmental Services, Inc. Method and apparatus for gasifying organic materials and vitrifying residual ash

Also Published As

Publication number Publication date
CA2236523A1 (en) 1997-05-09
DE59601523D1 (de) 1999-04-29
CZ286776B6 (en) 2000-07-12
KR100296187B1 (ko) 2001-11-30
CZ134798A3 (cs) 1998-10-14
JPH11514921A (ja) 1999-12-21
CN1201403A (zh) 1998-12-09
AT403168B (de) 1997-11-25
TW330156B (en) 1998-04-21
AU7265396A (en) 1997-05-22
ATA181295A (de) 1997-04-15
WO1997016244A1 (de) 1997-05-09
EP0858365A1 (de) 1998-08-19
RU2148428C1 (ru) 2000-05-10
CA2236523C (en) 2002-07-30
EP0858365B1 (de) 1999-03-24
AU725255B2 (en) 2000-10-12
BR9611132A (pt) 1999-03-30
KR19990067276A (ko) 1999-08-16
SK52798A3 (en) 1998-09-09
CN1079280C (zh) 2002-02-20
US6202576B1 (en) 2001-03-20

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