FI69968C - Injektor foer flotationsapparater - Google Patents

Injektor foer flotationsapparater Download PDF

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Publication number
FI69968C
FI69968C FI831093A FI831093A FI69968C FI 69968 C FI69968 C FI 69968C FI 831093 A FI831093 A FI 831093A FI 831093 A FI831093 A FI 831093A FI 69968 C FI69968 C FI 69968C
Authority
FI
Finland
Prior art keywords
injector
constriction
mixing
mixing section
point
Prior art date
Application number
FI831093A
Other languages
English (en)
Finnish (fi)
Other versions
FI69968B (fi
FI831093L (fi
FI831093A0 (fi
Inventor
Peter Schweiss
Hans-Dieter Doerflinger
Original Assignee
Voith Gmbh J M
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 Voith Gmbh J M filed Critical Voith Gmbh J M
Publication of FI831093A0 publication Critical patent/FI831093A0/fi
Publication of FI831093L publication Critical patent/FI831093L/fi
Publication of FI69968B publication Critical patent/FI69968B/fi
Application granted granted Critical
Publication of FI69968C publication Critical patent/FI69968C/fi

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes
    • C02F3/12—Activated sludge processes
    • C02F3/1278—Provisions for mixing or aeration of the mixed liquor
    • C02F3/1294—"Venturi" aeration means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/30—Injector mixers
    • B01F25/31—Injector mixers in conduits or tubes through which the main component flows
    • B01F25/312—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof
    • B01F25/3121—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof with additional mixing means other than injector mixers, e.g. screens, baffles or rotating elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/30—Injector mixers
    • B01F25/31—Injector mixers in conduits or tubes through which the main component flows
    • B01F25/312—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof
    • B01F25/3124—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof characterised by the place of introduction of the main flow
    • B01F25/31241—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof characterised by the place of introduction of the main flow the main flow being injected in the circumferential area of the venturi, creating an aspiration in the central part of the conduit
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/40—Static mixers
    • B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
    • B01F25/43—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction
    • B01F25/433—Mixing tubes wherein the shape of the tube influences the mixing, e.g. mixing tubes with varying cross-section or provided with inwardly extending profiles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/40—Static mixers
    • B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
    • B01F25/43—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction
    • B01F25/433—Mixing tubes wherein the shape of the tube influences the mixing, e.g. mixing tubes with varying cross-section or provided with inwardly extending profiles
    • B01F25/4335—Mixers with a converging-diverging cross-section
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/14—Flotation machines
    • B03D1/1418—Flotation machines using centrifugal forces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/14—Flotation machines
    • B03D1/24—Pneumatic
    • B03D1/247—Mixing gas and slurry in a device separate from the flotation tank, i.e. reactor-separator type
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F1/00—Wet end of machines for making continuous webs of paper
    • D21F1/66—Pulp catching, de-watering, or recovering; Re-use of pulp-water
    • D21F1/70—Pulp catching, de-watering, or recovering; Re-use of pulp-water by flotation
    • 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
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/10—Biological treatment of water, waste water, or sewage

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biotechnology (AREA)
  • Dispersion Chemistry (AREA)
  • Microbiology (AREA)
  • Water Supply & Treatment (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • Hydrology & Water Resources (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Nozzles (AREA)
  • Fish Paste Products (AREA)
  • Cyclones (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Paper (AREA)

Claims (7)

1. Injektor för att leda en gas-vätskeblandning tili en skumbildningsanordning, vilken injektor uppvisar ett för-trängningsställe och en efter detta kopplad blandningssträcka, k än netecknad av följande kännetecken: a) förträngningsstället utvidgar sig abrupt till en blandningssträcka, b) genom förträngningsstället (3, 4) har införts centralt ett gastillförselrör (6) tili blandningssträckan (5), vilket rör avslutas kort efter förträngningsstället (3,4 ) i blandningssträckan (5), c) blandningssträckan (5) uppvisar ett andra förträngnings-ställe (7) som även det utvidgar sig diffusoraktigt, och d) blandningssträckan (5) bestär av en väsentligen rörformad konstruktion, som anslutits tili skumbildningsanordningen.
2. Injektor enligt patentkravet 1, kännetecknad av att det andra förträngningsstället (7) är osymmetriskt i förhällande tili blandningssträckans (5) utan förträngnings-ställe (7) tänkta mittlinje (8).
3. Injektor enligt patentkravet 1 eller 2, kännetecknad av att blandningssträckan uppvisar en cylinderformad början (9) och en övergängsdel som ansluter sig tili denna och förenar denna med anslutningsdelen som uppvisar ett rätvink-ligt tvärsnitt, och vid vilken början anordnats ett andra förträngningsställe (7).
FI831093A 1982-03-31 1983-03-30 Injektor foer flotationsapparater FI69968C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3211906A DE3211906C1 (de) 1982-03-31 1982-03-31 Injektor fuer Flotationsapparate
DE3211906 1982-03-31

Publications (4)

Publication Number Publication Date
FI831093A0 FI831093A0 (fi) 1983-03-30
FI831093L FI831093L (fi) 1983-10-01
FI69968B FI69968B (fi) 1986-01-31
FI69968C true FI69968C (fi) 1986-09-12

Family

ID=6159837

Family Applications (1)

Application Number Title Priority Date Filing Date
FI831093A FI69968C (fi) 1982-03-31 1983-03-30 Injektor foer flotationsapparater

Country Status (8)

Country Link
EP (1) EP0090234B1 (sv)
JP (1) JPS58170557A (sv)
AT (1) ATE29973T1 (sv)
BR (1) BR8301765A (sv)
DE (2) DE3211906C1 (sv)
ES (1) ES279886Y (sv)
FI (1) FI69968C (sv)
NO (1) NO158998C (sv)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH658481A5 (de) * 1983-02-18 1986-11-14 Escher Wyss Gmbh Flotationsvorrichtung zum flotieren von aus altpapier gewonnener faserstoffsuspension.
AT387407B (de) * 1984-01-09 1989-01-25 Escher Wyss Gmbh Flotationsvorrichtung zum flotieren von aus altpapier gewonnener faserstoffsuspension
DE3401161A1 (de) * 1984-01-14 1985-11-21 Sulzer-Escher Wyss GmbH, 7980 Ravensburg Flotationsvorrichtung zum flotieren von aus altpapier gewonnener faserstoffsuspension
CH665962A5 (de) * 1985-07-19 1988-06-30 Escher Wyss Gmbh Begasungsvorrichtung fuer eine flotationseinrichtung und deren verwendung.
DE3526576A1 (de) * 1985-07-25 1987-02-05 Voith Gmbh J M Flotationsgrossbehaelter
US4952308A (en) * 1986-12-10 1990-08-28 Beloit Corporation Pressurized flotation module and method for pressurized foam separation
US5022984A (en) * 1990-02-28 1991-06-11 The Black Clawson Company Froth flotation apparatus and method
EP2572778B1 (de) 2011-09-23 2017-03-08 Primetals Technologies Germany GmbH Flotationsmaschine mit einer Dispergierdüse, sowie Verfahren zu deren Betrieb
WO2015060382A1 (ja) * 2013-10-23 2015-04-30 株式会社アース・リ・ピュア 微細気泡生成装置および微細気泡生成装置を備える汚染水浄化システム
CN112359626A (zh) * 2020-11-13 2021-02-12 郑州磊展科技造纸机械有限公司 一种浮选脱墨机用进浆无堵塞射流分配器

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR998240A (fr) * 1949-09-02 1952-01-16 Kloeckner Humboldt Deutz Ag Procédé et dispositif pour la préparation de minéraux
DE1158461B (de) * 1962-07-28 1963-12-05 Beteiligungs & Patentverw Gmbh Zyklon zur flotativen Aufbereitung von feinkoernigen Mineraliengemengen
US3243046A (en) * 1962-12-01 1966-03-29 Ebara Infilco Floatation apparatus
GB1123446A (en) * 1965-05-17 1968-08-14 Zinc Corp Ltd Method and apparatus for froth flotation
GB1144463A (en) * 1965-09-28 1969-03-05 Licencia Talalmanyokat Flotation equipment
US4098851A (en) * 1974-02-20 1978-07-04 Erdolchemie Gesellschaft Mit Beschrankter Haftung Device for mixing gases and liquids
CH581493A5 (en) * 1974-06-24 1976-11-15 Escher Wyss Ag Static mixer for in line mixing - having sudden expansion with secondary fluid injection just prior to it
FR2315988A1 (fr) * 1975-06-30 1977-01-28 Saint Gobain Techn Nouvelles Perfectionnement sur cellules de flottation pour l'epuration des effluents urbains et industriels
CH598407A5 (sv) * 1975-09-30 1978-04-28 Escher Wyss Gmbh
DE2634494C2 (de) * 1976-07-31 1983-04-14 Bayer Ag, 5090 Leverkusen Neue Injektoren zur Flüssigkeitsbegasung
DE2634496C2 (de) * 1976-07-31 1985-10-17 Bayer Ag, 5090 Leverkusen Injektor zur Begasung einer Flüssigkeit
NL7609275A (en) * 1976-08-20 1978-02-22 Envirotech Corp Flotation process with low turbulence level - pumps two ingredient medium into fluid with density and kinetic energy within set limits
DE2700049C3 (de) * 1977-01-03 1980-10-02 Oskar Werner Dipl.-Ing. 6463 Freigericht Pawel Flotationsanlage
CH629267A5 (de) * 1978-05-30 1982-04-15 Escher Wyss Gmbh Stoffauflaufvorrichtung fuer eine papiermaschine.
FR2484862B1 (fr) * 1980-06-18 1984-09-14 Inst Nat Rech Chimique Procede et dispositif pour le transfert de gaz dans un liquide applicable en particulier au traitement des eaux, en biotechnologie et dans l'industrie chimique
DE3127290C2 (de) * 1981-07-10 1986-10-30 J.M. Voith Gmbh, 7920 Heidenheim Flotationseinrichtung zur Aufbereitung von Altpapier

Also Published As

Publication number Publication date
ES279886U (es) 1984-11-16
JPS58170557A (ja) 1983-10-07
ES279886Y (es) 1985-06-01
NO158998C (no) 1988-11-23
FI69968B (fi) 1986-01-31
FI831093L (fi) 1983-10-01
NO158998B (no) 1988-08-15
NO831167L (no) 1983-10-03
EP0090234B1 (de) 1987-09-30
ATE29973T1 (de) 1987-10-15
BR8301765A (pt) 1983-12-13
DE3373876D1 (en) 1987-11-05
FI831093A0 (fi) 1983-03-30
EP0090234A3 (en) 1985-06-26
DE3211906C1 (de) 1988-12-01
EP0090234A2 (de) 1983-10-05

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MM Patent lapsed

Owner name: J. M. VOITH GMBH