FI68093C - Foerfarande och anlaeggning att genom flotation eliminera foeroreningar i form av fasta partiklar upptagna i en vaetska - Google Patents

Foerfarande och anlaeggning att genom flotation eliminera foeroreningar i form av fasta partiklar upptagna i en vaetska Download PDF

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Publication number
FI68093C
FI68093C FI770993A FI770993A FI68093C FI 68093 C FI68093 C FI 68093C FI 770993 A FI770993 A FI 770993A FI 770993 A FI770993 A FI 770993A FI 68093 C FI68093 C FI 68093C
Authority
FI
Finland
Prior art keywords
air
liquid
flotation
cell
pulp
Prior art date
Application number
FI770993A
Other languages
English (en)
Finnish (fi)
Other versions
FI68093B (fi
FI770993A (sv
Inventor
Enar Valentin Hellberg
Original Assignee
Sunds Defibrator
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
Priority claimed from BE166085A external-priority patent/BE840662A/fr
Application filed by Sunds Defibrator filed Critical Sunds Defibrator
Publication of FI770993A publication Critical patent/FI770993A/fi
Priority to FI831032A priority Critical patent/FI73749C/sv
Publication of FI68093B publication Critical patent/FI68093B/fi
Application granted granted Critical
Publication of FI68093C publication Critical patent/FI68093C/fi

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Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00—Fibrous raw materials or their mechanical treatment
    • D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
    • D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
    • D21B1/30—Defibrating by other means
    • D21B1/32—Defibrating by other means of waste paper
    • D21B1/325—Defibrating by other means of waste paper de-inking devices
    • D21B1/327—Defibrating by other means of waste paper de-inking devices using flotation devices
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/24—Treatment of water, waste water, or sewage by flotation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D19/00—Degasification of liquids
    • B01D19/02—Foam dispersion or prevention
    • 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
    • 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
    • B03D1/02—Froth-flotation processes
    • 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
    • B03D1/02—Froth-flotation processes
    • B03D1/028—Control and monitoring of flotation processes; computer models therefor
    • 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
    • B03D1/1418—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
    • B03D1/1443—Feed or discharge mechanisms for flotation tanks
    • B03D1/1456—Feed mechanisms for the slurry
    • 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
    • B03D1/1443—Feed or discharge mechanisms for flotation tanks
    • B03D1/1475—Flotation tanks having means for discharging the pulp, e.g. as a bleed stream
    • 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
    • B03D1/1487—Means for cleaning or maintenance
    • 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
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/26—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof
    • C02F2103/28—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof from the paper or cellulose industry
    • 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
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/64—Paper recycling

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biotechnology (AREA)
  • Chemical & Material Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Paper (AREA)
  • Physical Water Treatments (AREA)
  • Apparatus Associated With Microorganisms And Enzymes (AREA)

Claims (10)

1 Förfarande att genom flotation eliminera föroreninqar i form av tästä partiklar upptagna i en vätska som innehäller ätrninstono att sV.umningsmedel, varvia en luftStröm insprulas i en Ström av vätskan Innan den inkommer i ätminstone on flota-tionscoil pä sadan! säti: att det bildas luftbubblor soin lordein.s i vätskan, vitka fastnar pä föro.reningarna och stiger till y- an under bildning av skum som. bemänges mod förore.nIngar-na och son avledes fran vätskans yta, och varvid innan luften och vätskan insorntas i flotationsce1 ien vätskan cirkuleras ut-med er. kana i en b 1 andningskctinmar e i form αν ett skikt sarati-dicr sora luf ten införes i della vätskeskik c i banans tvärnkt-ning och utmed Ätminstone en del av bunan, k ä n n e t e c k -n a t därav , att luftskiktets tjocklek inställes mollan tvä motstacnde parallella väggar tili kammaren som bildar on strön.-ningspassage för vätskan för ökning eller minskning av bredden av passagen däremelian och därigenom vätskans stromningshastig-het genom passagen i ändamal att omvänt ändra storlekon av de b i1d a d e b ubb1o rn a.
2. Förfarande enligt patentkravet. l,känneteck-n a L därav, att längden av tillförselsträckan för luft tili vätskan so,:' skal 1 behandlas regleras. :·, Förfarande enligt patentkravet i, ka n n o t e c k -n a 1 därav, att en luftström tillf ores f lot a t ior.soel J en vid nivan för skammet i ändamal att överföra delta tili ett kari, i viikot det bringas att nedfalla till botten, under del att luf toi: ·:'ί ervinnes för recirkuler ing .
4. Förfarande enligt. patentkraven 1-3, varvid ett antai flotatjonrceller utnyttjas, känneteckns t därav, att en b lantin ing av vätska och luft fran en b 1 and n i ng sk anuna r e i ill-föres varjo cell.
5. Förfarande enligt patentkravet 4, k ä n n e t e c k -nää därav, att skummet fran f lotat ior.scel le tn a avees tili ett gemensamt kari, under det att strömmarna av utb·dsnings-eilec tömningsluft utsättes för undertryck för att -ecirkulera strommarna tiilsammans med varandra. Il 11 680 9 3
6. Förf iand. e er:i. i - j pdn^-t^.navel 4 older 0 k '1 n n c - t o c !·: a e enran ; sd . k sk'.ma Γχηη andra celler recirkuloras :i t.lu;i \ d cokr sv sm pnnnere dm; ; ib' 5 La f 1c La t1 onsce.; ! on . 7. Λ· d!. ng,gd.no d : act nn-Jelst flotation ο1:ίτι7 tiera fötoro- noaj-Ai ’ '·π· .o; ;-’:n:n g. no 72d... ·. : on vakoko, viikon anlägyning i anoi. o t · o - V mb rstono an f i a ! a L ,:.on nano 1 .i (id , ota .o 1 opp för a 11 n.oine .. J. L .n i. ...v va di: 1 s. 7. d: ned'-n, en blandm.ng sknmmar e (8) oonom :-.:7 7...,. :0:-0,0: aas.1· on 7 7 d.. i b. oppe s o o A beirkinges mod luft d3r at.. : tana fad; ;.e · L dsoosa . k ä n n e e e c k n a d d.arav, at.t b la ndr. da; sk., amm a ro '8; Ι.ηηία c tar motstäende paral della väg-car (27,27,29. ifö s 0,··. d a ,· ,;·η .rt: d-r-n j. ngsk anal för vätskar gerom kanain aron., a ·...: .n ta, i o i nro t i e : 3 0av väggarna har genongeendo porer o "die;: ali (2 7' . ase It· t. tngsoraan ästaökoiumer en luftström gonon, poror na för bi..dn b\q av babbloi i vätskan sorn strömmar genoui pass:; ien ; ir;c> t äl le ’ r.gsorgau ( 2 5 ; 3 2) för reiät lv rörelse av vängäten not: oob iron varttia',? för att rainska repo. öka maston.; o ns e . odd ,.·:..·! aär igeoon v ·' i !: y ;. e: s t r öinme n s handigbet genorr. passage» i ändaianl att förändra sterieken av de bildade bubblorna s-amt ett in lepo för att ostadkomina en vätskeström tili passaa en s uppströms belägna ände.
8. Ariläggning enl igt. patentkravet 7, kanne v. e c k - ti o ά därav , att iorst ö.l .! n ingsoryaren ( 2 5 ; 3 2} är i r>r är.tade att d n tadk n;;;;, i . d: t t; ; 1 °,aj :n:d:o vd'ga itä son bnr i. .M.ot d d;p tnSo-tivt dtöi; oodi .
9. An i ägg n i ng en7j,g p-ondkiavet 8, k done took -n a j därov, aid. vä -jgama (27,20) at: konista ooh koaxielia, ooh ett i n at 2 Ido oun;;,,., r g.-o no n ( d '2 ’ a s j.rsrättade att förskjuta vägqarnt a;·: ie; lit. t elä td vi van απΉ.:;.
10. Anlägyr. Lag enligr patentkiavet 9, k ii a n e t e e k -n a b därav, att inloppet är inrättad att a s tadkorama ett tango nti ei IL vär.skeflöde r passager.
11. Anla.gninc en:. 071 oarer ti. r avo f 9 eli or if . k a n -n e t e c .< n a o därav, at L bon .1 nnef at d, i: organ för att le da vatskeströn.mmi. Port frän pass age n vid en no o 0'ghe k som οίο· är högre än v ä t skes t r änunen g enoni passages .
177, Audogr όος erddqt nänoc nv pa t en tk ra ven 9-10, k ä n n e f o o k n n d <·. n; v . o dc: den irnefattar organ för
FI770993A 1976-04-12 1977-03-30 Foerfarande och anlaeggning att genom flotation eliminera foeroreningar i form av fasta partiklar upptagna i en vaetska FI68093C (fi)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FI831032A FI73749C (sv) 1976-04-12 1983-03-25 Anläggning för att medelst flotation eliminera föroreningar i form av fasta partiklar i vätska.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE166085A BE840662A (fr) 1976-04-12 1976-04-12 Procede et installation pour l'elimination par flottation d'impuretes sous forme de particules solides, contenues dans un liquide
BE166085 1976-04-12

Publications (3)

Publication Number Publication Date
FI770993A FI770993A (sv) 1977-10-13
FI68093B FI68093B (fi) 1985-03-29
FI68093C true FI68093C (fi) 1985-07-10

Family

ID=3842869

Family Applications (1)

Application Number Title Priority Date Filing Date
FI770993A FI68093C (fi) 1976-04-12 1977-03-30 Foerfarande och anlaeggning att genom flotation eliminera foeroreningar i form av fasta partiklar upptagna i en vaetska

Country Status (13)

Country Link
JP (2) JPS52124273A (sv)
AT (1) AT358499B (sv)
BR (1) BR7702266A (sv)
CA (1) CA1096515A (sv)
CH (1) CH614636A5 (sv)
DE (2) DE2712947C2 (sv)
ES (1) ES458029A1 (sv)
FI (1) FI68093C (sv)
FR (2) FR2347984A1 (sv)
GB (1) GB1570345A (sv)
IT (2) IT1073184B (sv)
NL (2) NL180076C (sv)
SE (2) SE425145B (sv)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4157952A (en) * 1978-03-24 1979-06-12 Lenox Institute For Research Apparatus for deinking waste paper pulp
DE2836496C2 (de) * 1978-08-21 1982-05-13 E. & M. Lamort S.A., 51300 Vitry-le-François, Marne Verfahren und Vorrichtung zum Deinken von Faserstoffsuspensionen
DE3111506C2 (de) * 1981-03-24 1986-01-09 Bergwerksverband Gmbh, 4300 Essen Begasungseinrichtung für Flotationsanlagen
DE3127290C2 (de) * 1981-07-10 1986-10-30 J.M. Voith Gmbh, 7920 Heidenheim Flotationseinrichtung zur Aufbereitung von Altpapier
DE3320125A1 (de) * 1983-06-03 1984-12-06 J.M. Voith Gmbh, 7920 Heidenheim Verfahren und einrichtung zur aufbereitung von altpapier
US4613430A (en) * 1984-01-30 1986-09-23 Miller Francis G Froth flotation separation method and apparatus
AU3762285A (en) * 1984-01-30 1985-08-08 Miller, F.G. Flotation separation apparatus and method
DE3723502A1 (de) * 1987-07-16 1989-01-26 Henkel Kgaa Verfahren zur flotation von fuellstoffen aus altpapier
DE3918025A1 (de) * 1989-06-02 1990-12-06 Bergwerksverband Gmbh Flotationsapparat
FR2772399B1 (fr) * 1997-12-15 2000-02-11 Lamort E & M Procede de desencrage de la pate a papier provenant de papiers recycles
JP4802305B2 (ja) * 2009-07-17 2011-10-26 独立行政法人科学技術振興機構 浮遊分離装置及び方法並びにその利用製品の製造方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR668406A (fr) * 1928-01-24 1929-10-31 Phosphate Recovery Corp Perfectionnements au traitement des matières phosphatiques
US1805830A (en) * 1929-05-20 1931-05-19 Mason Charles Dorel Foam destroyer
US1952727A (en) * 1929-10-26 1934-03-27 United Verde Copper Company Froth flotation
US2874842A (en) * 1955-04-05 1959-02-24 Krofta Milos Process and apparatus for waste liquid purification
US3148948A (en) * 1961-12-26 1964-09-15 Dorr Oliver Inc Cooling and defoaming phosphoric acid slurries
DE1792539A1 (de) * 1968-09-17 1971-11-25 Dr Baer Eberhardt H Verfahren zur Trennung von emulgierten oder dispergierten Stoffen aus Wasser
AU464321B2 (en) * 1970-10-28 1975-08-07 Aktiengesellschaft Des Altenbergs Furberg Bau Und Zinkhuttenbetrieb Process and apparatus forthe flotation of fine-grained mixtures of material, particularly of minerals
DE2161015A1 (de) * 1971-12-09 1973-06-20 Escher Wyss Gmbh Flotiervorrichtung zum reinigen einer faserstoffsuspension durch flotation in der papierindustrie
DE2420482A1 (de) * 1974-04-27 1975-11-13 Bergwerksverband Gmbh Verfahren und anlage zur flotation

Also Published As

Publication number Publication date
FR2544225A1 (fr) 1984-10-19
JPS56161849A (en) 1981-12-12
JPS6057903B2 (ja) 1985-12-17
NL180076C (nl) 1987-01-02
NL7703627A (nl) 1977-10-14
AT358499B (de) 1980-09-10
DE2712947C2 (de) 1985-10-10
FI68093B (fi) 1985-03-29
NL8601174A (nl) 1986-09-01
CA1096515A (en) 1981-02-24
IT8348476A0 (it) 1983-06-10
GB1570345A (en) 1980-07-02
FR2347984B1 (sv) 1983-08-26
FR2544225B1 (fr) 1988-11-18
CH614636A5 (en) 1979-12-14
ATA247877A (de) 1980-02-15
IT1218334B (it) 1990-04-12
SE452121B (sv) 1987-11-16
FR2347984A1 (fr) 1977-11-10
NL180076B (nl) 1986-08-01
SE7704203L (sv) 1977-10-13
FI770993A (sv) 1977-10-13
JPS52124273A (en) 1977-10-19
IT1073184B (it) 1985-04-13
BR7702266A (pt) 1977-12-06
JPS5623659B2 (sv) 1981-06-01
DE2712947A1 (de) 1977-10-20
ES458029A1 (es) 1978-03-16
SE8202540L (sv) 1982-04-22
SE425145B (sv) 1982-09-06
DE2760246C2 (de) 1985-09-12

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