FI69969B - Injektorapparat med ett avsmalningsstaelle av ett efter detsamma kopplat blandningsroer - Google Patents

Injektorapparat med ett avsmalningsstaelle av ett efter detsamma kopplat blandningsroer Download PDF

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Publication number
FI69969B
FI69969B FI823770A FI823770A FI69969B FI 69969 B FI69969 B FI 69969B FI 823770 A FI823770 A FI 823770A FI 823770 A FI823770 A FI 823770A FI 69969 B FI69969 B FI 69969B
Authority
FI
Finland
Prior art keywords
tube
injector apparatus
diameter
flotation
suspension
Prior art date
Application number
FI823770A
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English (en)
Finnish (fi)
Other versions
FI69969C (fi
FI823770L (fi
FI823770A0 (fi
Inventor
Peter Schweiss
Hans-Dieter Doerflinger
Original Assignee
Voith Gmbh J M
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Filing date
Publication date
Application filed by Voith Gmbh J M filed Critical Voith Gmbh J M
Publication of FI823770A0 publication Critical patent/FI823770A0/fi
Publication of FI823770L publication Critical patent/FI823770L/fi
Application granted granted Critical
Publication of FI69969B publication Critical patent/FI69969B/fi
Publication of FI69969C publication Critical patent/FI69969C/fi

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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
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/231—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids by bubbling
    • B01F23/23105—Arrangement or manipulation of the gas bubbling devices
    • B01F23/2312—Diffusers
    • B01F23/23121—Diffusers having injection means, e.g. nozzles with circumferential outlet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/232—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles
    • B01F23/2323—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles by circulating the flow in guiding constructions or conduits
    • B01F23/23231—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles by circulating the flow in guiding constructions or conduits being at least partially immersed in the liquid, e.g. in a closed circuit
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/40—Mixing liquids with liquids; Emulsifying
    • B01F23/45—Mixing liquids with liquids; Emulsifying using flow mixing
    • B01F23/454—Mixing liquids with liquids; Emulsifying using flow mixing by injecting a mixture of liquid and gas
    • 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
    • B01F25/20—Jet mixers, i.e. mixers using high-speed fluid streams
    • B01F25/21—Jet mixers, i.e. mixers using high-speed fluid streams with submerged injectors, e.g. nozzles, for injecting high-pressure jets into a large volume or into mixing chambers
    • 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
    • B01F25/305—Injector mixers the additional component being axially fed and radially discharged through a circumferential outlet
    • 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
    • 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
    • B01F25/45—Mixers in which the materials to be mixed are pressed together through orifices or interstitial spaces, e.g. between beads
    • 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
    • B01F25/45—Mixers in which the materials to be mixed are pressed together through orifices or interstitial spaces, e.g. between beads
    • B01F25/452—Mixers in which the materials to be mixed are pressed together through orifices or interstitial spaces, e.g. between beads characterised by elements provided with orifices or interstitial spaces
    • B01F25/4521—Mixers in which the materials to be mixed are pressed together through orifices or interstitial spaces, e.g. between beads characterised by elements provided with orifices or interstitial spaces the components being pressed through orifices in elements, e.g. flat plates or cylinders, which obstruct the whole diameter of the tube
    • 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
    • B03D1/1406—Flotation machines with special arrangement of a plurality of flotation cells, e.g. positioning a flotation cell inside another
    • 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
    • B03D1/1412—Flotation machines with baffles, e.g. at the wall for redirecting settling solids
    • 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
    • B03D1/1443—Feed or discharge mechanisms for flotation tanks
    • B03D1/1462—Discharge mechanisms for the froth
    • 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
    • B03D1/242—Nozzles for injecting gas into the flotation tank
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • 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
    • B03D1/08—Subsequent treatment of concentrated product
    • B03D1/082—Subsequent treatment of concentrated product of the froth product, e.g. washing
    • 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
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S261/00—Gas and liquid contact apparatus
    • Y10S261/75—Flowing liquid aspirates gas

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biotechnology (AREA)
  • Dispersion Chemistry (AREA)
  • Hydrology & Water Resources (AREA)
  • Microbiology (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Nozzles (AREA)
  • Paper (AREA)
  • Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
  • Physical Water Treatments (AREA)

Claims (15)

1. Injektorapparat med ett förträngningsstä11 e vid början av en i ett b 1 andningsrör (3) anordnat b1 a ndnin g s sträeka , speciellt för ätergasning av suspensioner för flotation av däri innehällna fasta ämnen, kännetecknad därav, att mynningen (31) av ätminstone ett centralt, i huvudsak koncentriskt tili för-trängnings stä11 et (36) anordnat luftti11 förselrör (34) är anord-nad bakom detsamma pä ett 1itet avständ och att b1 andingsrörets (3) mynning (19) är pä motsvarande sätt .utformad tili en radial-diffusor, där b1 andingsrörets mynning (19) omges av en krage (22), att kragens (22) avständ frän en om1änkningsp1 atta (42, 15) uppgär tili 10-20 % av blandningsrörets (3) diameter, att längden av b1andningsröret (3) bakom det trängsta stället är mer än 4 gänger b 1 a ndn i ng s rö rsidi ame te rn bakom dysan (37) eller flänsen (38 , 39) och att de inre strukturerna, som bi1 dar förträngnings stä11 et (36) är sädana, att de vid slutet, dvs. vid sin trängsta punkt, upphör tämligen abrupt.
2. I njektorapparat enligt patentkravet 1, kännetecknad av ätminstone en i strömningsriktningen räknat pä ett litet avständ bakom förträng nings stä11 et (36) vid b1 a ndnin g srörets (3) yttre tvärsni11s parti anordnad 1uftin sugnin gsöppnin g (40, 4l).
3. I nje k torapparat enligt patentkravet 1 eller 2, k ä n n βίε c k n S' d därav, att 1 uftt i 1 1 försel rörets (34) mynn i ng (31) är anordnad pä ett avständ av högst 0,5 gänger den minsta dia me tern hos förträngnin g s stä1 1 et (36).
4. I njektorapparat enligt nägot av patentkraven 1-3, k ä n n e -t e c k n a d därav, att luftinsugningsöppningarna (4 0,41 ) är anordnade pä ett avständ bakom det trängsta stället (36) av högst diametern av detsamma eller en tredjedel av b1 andin g srörets (3) i nne rd i ame te r.
5. I njektorapparat enligt nägot av patentkraven 2-4, kännetecknad därav, att avständet mellan mynningen (31) pä det centrala lufttillförselröret (34) och det trängsta stäl let (36) ligger mellan 0,1 tili 0,3 gänger dess diameter. ,2 69969
6. I njektorapparat enligt nägot av patentkraven 1-5, k ä n n e -t e c k n a d därav, att b1 a ndningsröret itminstone vid det trängsta stället (36) är anordnat vertikalt i f 1 o tationsbehS1 1 a -ren (1).
7. I njektorapparat enligt patentkravet 6, kännetecknad därav, att det trängsta stället (36) ligger i huvudsak i höjd med nivan hos suspens i onen i f 1 otationsbeha11 aren (1).
8. I njektorapparat enligt patentkravet 1, kännetecknad därav, att flänsen (39) är trattformig och avsmalnar i strömnin g srik tningen .
9. I njektorapparat enligt nägot av patentkraven 1-8, kännetecknad därav, att förhä11andet mellan b 1 a ndnin g srörsdia -metern DM och diametern dg hos det trängsta stället (36) uppgär tili ungefä r 1,2-1,8.
10. I njektorapparat enligt nSgot av patentkraven 1-9, kännetecknad därav, att kragen (22) är riktad para 11 e 11t med f lotationsbehällarens (1) botten (15) och b finner sig pä ett sodant avstSnd frln en vinkelrätt i förhällande tili blandnings-röret (3) löpande siat omi änkn i ngspl a tta (1*2) , vilken uppgir tili 10-30 % av blandningsrörets (3) diameter, och att b1 andningsröret (3) sträcker sig i huvudsak vertikalt i förhällande tili behäl-1 a rbottnen'' i f 1 o ta t i on s behä 1 1 a ren (1).
11. I njektorapparat enligt patentkravet 1 eller 10, kännetecknad därav, att behä11 arbottnen (15) tjänstgör som omlänkningselement.
12. Användning av injektorappara ten enligt nägot av patentkraven 1-11 i en f 1 otationsbehl11 are (1), vilken har i huvudsak formen av en upprättstäende cylinder, vars ut1oppstvärsnitt (28) för suspensionen är ringformigt, vilket radiellt löper utmed flotation sbeha11 aren (l), varvid endast en enda injektorapparat är anordnad, medelst vilken suspensionen tillföres tili flotations-behä1 la ren (1).
FI823770A 1981-11-07 1982-11-03 Injektorapparat med ett avsmalningsstaelle av ett efter detsamma kopplat blandningsroer FI69969C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3144386A DE3144386C2 (de) 1981-11-07 1981-11-07 Injektorflotationsapparat
DE3144386 1981-11-07

Publications (4)

Publication Number Publication Date
FI823770A0 FI823770A0 (fi) 1982-11-03
FI823770L FI823770L (fi) 1983-05-08
FI69969B true FI69969B (fi) 1986-01-31
FI69969C FI69969C (fi) 1986-09-12

Family

ID=6145938

Family Applications (1)

Application Number Title Priority Date Filing Date
FI823770A FI69969C (fi) 1981-11-07 1982-11-03 Injektorapparat med ett avsmalningsstaelle av ett efter detsamma kopplat blandningsroer

Country Status (11)

Country Link
US (1) US4477341A (sv)
JP (1) JPS5888062A (sv)
AT (1) ATA336782A (sv)
BE (1) BE894940A (sv)
BR (1) BR6201536U (sv)
DE (1) DE3144386C2 (sv)
FI (1) FI69969C (sv)
FR (1) FR2515987A1 (sv)
GB (1) GB2108858B (sv)
IT (1) IT1191065B (sv)
SE (1) SE446377B (sv)

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FI69969C (fi) 1986-09-12
IT1191065B (it) 1988-02-24
GB2108858B (en) 1986-02-12
IT8224115A0 (it) 1982-11-08
BE894940A (fr) 1983-03-01
DE3144386C2 (de) 1983-12-29
US4477341A (en) 1984-10-16
FR2515987A1 (fr) 1983-05-13
ATA336782A (de) 1987-08-15
FI823770L (fi) 1983-05-08
DE3144386A1 (de) 1983-05-19
SE446377B (sv) 1986-09-08
JPS5888062A (ja) 1983-05-26
FI823770A0 (fi) 1982-11-03
SE8206273D0 (sv) 1982-11-04
SE8206273L (sv) 1983-05-08
GB2108858A (en) 1983-05-25
BR6201536U (pt) 1984-06-12

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