IT1247789B - Procedimento e dispositivo per alimentare aria in una cella di flottazione - Google Patents

Procedimento e dispositivo per alimentare aria in una cella di flottazione

Info

Publication number
IT1247789B
IT1247789B ITMI910017A ITMI910017A IT1247789B IT 1247789 B IT1247789 B IT 1247789B IT MI910017 A ITMI910017 A IT MI910017A IT MI910017 A ITMI910017 A IT MI910017A IT 1247789 B IT1247789 B IT 1247789B
Authority
IT
Italy
Prior art keywords
flotation cell
procedure
feeding air
air
rotor
Prior art date
Application number
ITMI910017A
Other languages
English (en)
Inventor
Matti Olavi Leiponen
Launo Leo Lilja
Valto Johannes Makitalo
Original Assignee
Outukumpu 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 Outukumpu Oy filed Critical Outukumpu Oy
Publication of ITMI910017A0 publication Critical patent/ITMI910017A0/it
Publication of ITMI910017A1 publication Critical patent/ITMI910017A1/it
Application granted granted Critical
Publication of IT1247789B publication Critical patent/IT1247789B/it

Links

Classifications

    • 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
    • B03D1/16—Flotation machines with impellers; Subaeration machines
    • B03D1/20—Flotation machines with impellers; Subaeration machines with internal air pumps
    • 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
    • B01F23/233—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements
    • B01F23/2331—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the introduction of the gas along the axis of the stirrer or along the stirrer elements
    • 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
    • B01F23/233—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements
    • B01F23/2334—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements provided with stationary guiding means surrounding at least partially the stirrer
    • B01F23/23342—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements provided with stationary guiding means surrounding at least partially the stirrer the stirrer being of the centrifugal type, e.g. with a surrounding stator
    • 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
    • B01F23/233—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements
    • B01F23/2331—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the introduction of the gas along the axis of the stirrer or along the stirrer elements
    • B01F23/23311—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the introduction of the gas along the axis of the stirrer or along the stirrer elements through a hollow stirrer axis
    • 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
    • B01F23/233—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements
    • B01F23/2331—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the introduction of the gas along the axis of the stirrer or along the stirrer elements
    • B01F23/23312—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the introduction of the gas along the axis of the stirrer or along the stirrer elements through a conduit surrounding the stirrer axis
    • 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
    • B01F23/233—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements
    • B01F23/2331—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the introduction of the gas along the axis of the stirrer or along the stirrer elements
    • B01F23/23314—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the introduction of the gas along the axis of the stirrer or along the stirrer elements through a hollow stirrer element
    • 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
    • B01F23/233—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements
    • B01F23/2336—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the location of the place of introduction of the gas relative to the stirrer
    • B01F23/23363—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the location of the place of introduction of the gas relative to the stirrer the gas being introduced above the stirrer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/05—Stirrers
    • B01F27/11—Stirrers characterised by the configuration of the stirrers
    • B01F27/117—Stirrers provided with conical-shaped elements, e.g. funnel-shaped
    • B01F27/1171—Stirrers provided with conical-shaped elements, e.g. funnel-shaped having holes in the surface

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biotechnology (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
  • Motor Or Generator Cooling System (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Electrostatic Spraying Apparatus (AREA)

Abstract

L'invenzione si riferisce ad un procedimento e ad un dispositivo per alimentare aria in una cella di flottazione dotata di un rotore e di uno statore. Secondo il procedimento ed il dispositivo della presente invenzione, l'aria viene alimentata nello spazio intermedio formato fra le coperture di rotore e di statore, fino al di sopra del rotore, da dove l'aria viene distribuita simmetricamente.
ITMI910017A 1990-01-10 1991-01-08 Procedimento e dispositivo per alimentare aria in una cella di flottazione IT1247789B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI900123A FI83482C (fi) 1990-01-10 1990-01-10 Saett och anordning foer matning av luft i flotationscell.

Publications (3)

Publication Number Publication Date
ITMI910017A0 ITMI910017A0 (it) 1991-01-08
ITMI910017A1 ITMI910017A1 (it) 1992-07-08
IT1247789B true IT1247789B (it) 1995-01-02

Family

ID=8529671

Family Applications (1)

Application Number Title Priority Date Filing Date
ITMI910017A IT1247789B (it) 1990-01-10 1991-01-08 Procedimento e dispositivo per alimentare aria in una cella di flottazione

Country Status (12)

Country Link
US (1) US5143600A (it)
AU (1) AU635595B2 (it)
BR (1) BR9100089A (it)
CA (1) CA2033886C (it)
DE (1) DE4100563A1 (it)
FI (1) FI83482C (it)
GB (1) GB2239825B (it)
IT (1) IT1247789B (it)
NO (1) NO910098L (it)
SE (1) SE9004172L (it)
YU (1) YU1791A (it)
ZA (1) ZA91170B (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5244097A (en) * 1990-01-10 1993-09-14 Outokumpu Oy Apparatus for feeding air into a flotation cell
DE102006008687A1 (de) * 2006-02-24 2007-08-30 Bayer Technology Services Gmbh Verfahren und Vorrichtung zur Be- und Entgasung von Flüssigkeiten
CN101541434B (zh) * 2007-11-09 2012-11-07 奥图泰有限公司 浮选机转子、形成转子的方法和维修转子的方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2875897A (en) * 1953-06-22 1959-03-03 Booth Lionel Earl Flotation machine
US3437203A (en) * 1963-02-20 1969-04-08 Koichi Nakamura Flotation apparatus
US3791104A (en) * 1972-06-26 1974-02-12 Mineral & Chem Resource Co High energy gas-liquid contacting process
JPS5643397Y2 (it) * 1977-06-23 1981-10-12
DE2852023C2 (de) * 1978-12-01 1980-08-28 J.M. Voith Gmbh, 7920 Heidenheim Vorrichtung zum Einleiten einer Faserstoffsuspension in einen Flotationsbehälter
SU967580A1 (ru) * 1980-10-10 1982-10-23 Всесоюзный научно-исследовательский и проектный институт галургии Пневмомеханический аэратор флотационной машины
SU990315A1 (ru) * 1981-03-13 1983-01-23 Государственный Проектно-Конструкторский И Экспериментальный Институт По Обогатительному Оборудованию "Гипромашобогащение" Пневмомеханическа флотационна машина
GB2095570B (en) * 1981-03-31 1984-10-17 British Nuclear Fuels Ltd An improved apparatus for agitating the contents of storage tanks
US4643852A (en) * 1981-04-13 1987-02-17 Koslow Evan E Energy efficient phase transfer/dispersion systems and methods for using the same

Also Published As

Publication number Publication date
NO910098D0 (no) 1991-01-09
AU6864791A (en) 1991-07-11
US5143600A (en) 1992-09-01
FI83482C (fi) 1991-07-25
YU1791A (sh) 1994-06-24
GB2239825A (en) 1991-07-17
CA2033886C (en) 1998-12-22
FI900123A0 (fi) 1990-01-10
GB9100490D0 (en) 1991-02-20
SE9004172D0 (sv) 1990-12-28
AU635595B2 (en) 1993-03-25
FI83482B (fi) 1991-04-15
ITMI910017A0 (it) 1991-01-08
DE4100563A1 (de) 1991-07-11
NO910098L (no) 1991-07-11
ZA91170B (en) 1991-12-24
SE9004172L (sv) 1991-07-11
BR9100089A (pt) 1991-10-22
CA2033886A1 (en) 1991-07-11
GB2239825B (en) 1993-09-29
ITMI910017A1 (it) 1992-07-08

Similar Documents

Publication Publication Date Title
FR05C0047I1 (it)
TW351008B (en) Lead holder, manufacturing method of lead holder, semiconductor and manufacturing method of semiconductor
EP0826131A4 (en) MONOBLOCK CRUCIBLE
AU581269B2 (en) Difluoronucleosides
EP0293007A3 (en) Augmented air supply for fuel cells power plant during transient load increases
GB2126315B (en) Traction machine for an elevator
TR199700470A2 (xx) Sildenafilin haz�rlanmas� i�in proses.
GB8819713D0 (en) Mailing machine envelope transport system
GB8824959D0 (en) Improved cathode for zinc air cells
TW350821B (en) A manual guide vehicle and method for supplying the same with power
ES8703192A1 (es) Procedimiento para hacer funcionar un receptor de cavidad y receptor de cavidad para radiacion solar concentrada
GB2267180A (en) Skewed rotor assembly
IT1247789B (it) Procedimento e dispositivo per alimentare aria in una cella di flottazione
IT1213739B (it) Apparecchiatura per l'alimentazione di articoli ad una stazione operativa
ES2181148T3 (es) Instalacion de tratamiento termico bajo vacio modular.
DE3567388D1 (en) Convertible head to form coils
GB2132589B (en) Air lift for blank stackers
AU573038B2 (en) Air comb arrangement for jet dyeing machine
IT1282224B1 (it) Apparato di motorizzazione per veicoli a ruote
EP0365217A3 (en) Stator keybar installation using auxiliary plates
HK22687A (en) Traction machine for elevators
GB2349371B (en) Electricity supply system for traction
ITMI920745A0 (it) Supporto perfezionato per cuscinetti evolventi
ES8707571A1 (es) Un procedimiento para producir un hilo de alimentacion de nilon 66 multifilamentoso para texturizar con estirado.
ES8707187A1 (es) Procedimiento mejorado para la preparacion de 1(4-fluorofenil) sulfonil -4-4-7(trifluorometil-4-quinolinil)amino(benzoil) piperazina

Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19960423