WO2016181025A1 - Installation de flottaison et ses utilisations et procédés de maintenance d'une installation de flottaison - Google Patents

Installation de flottaison et ses utilisations et procédés de maintenance d'une installation de flottaison Download PDF

Info

Publication number
WO2016181025A1
WO2016181025A1 PCT/FI2015/050328 FI2015050328W WO2016181025A1 WO 2016181025 A1 WO2016181025 A1 WO 2016181025A1 FI 2015050328 W FI2015050328 W FI 2015050328W WO 2016181025 A1 WO2016181025 A1 WO 2016181025A1
Authority
WO
WIPO (PCT)
Prior art keywords
flotation
module
tank
self
plant according
Prior art date
Application number
PCT/FI2015/050328
Other languages
English (en)
Inventor
Pekka TÄHKIÖ
Valtteri VAARNA
Matti Luukkonen
Original Assignee
Outotec (Finland) 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 Outotec (Finland) Oy filed Critical Outotec (Finland) Oy
Priority to PCT/FI2015/050328 priority Critical patent/WO2016181025A1/fr
Publication of WO2016181025A1 publication Critical patent/WO2016181025A1/fr

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
    • B03D1/1487—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
    • B03D1/1406—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
    • B03D1/1443—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
    • B03D1/16—Flotation machines with impellers; Subaeration machines
    • B03D1/20—Flotation machines with impellers; Subaeration machines with internal air pumps
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H1/00—Buildings or groups of buildings for dwelling or office purposes; General layout, e.g. modular co-ordination or staggered storeys
    • E04H1/12—Small buildings or other erections for limited occupation, erected in the open air or arranged in buildings, e.g. kiosks, waiting shelters for bus stops or for filling stations, roofs for railway platforms, watchmen's huts or dressing cubicles
    • E04H1/1205—Small buildings erected in the open air
    • E04H1/1238—Shelters for engines, e.g. electrical meter housings
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H1/00—Buildings or groups of buildings for dwelling or office purposes; General layout, e.g. modular co-ordination or staggered storeys
    • E04H1/12—Small buildings or other erections for limited occupation, erected in the open air or arranged in buildings, e.g. kiosks, waiting shelters for bus stops or for filling stations, roofs for railway platforms, watchmen's huts or dressing cubicles
    • E04H2001/1283—Small buildings of the ISO containers type

Definitions

  • the present invention relates to a froth flotation plant. Further, the invention relates to uses of the froth flotation plant. Further, the invention relates to methods of maintenance of the flotation plant.
  • the present invention provides a flotation plant.
  • the flotation plant com ⁇ prises a tank module.
  • the tank module includes a self- supporting framework having an inner space.
  • the tank module includes at least one flotation tank.
  • the flo ⁇ tation tank is disposed in the inner space of the self-supporting framework.
  • the tank module is a self- supporting unit capable of being transferable and hoistable as an integral entity.
  • the flota- tion plant comprises drive units for the rotation of drive shafts, the drive shaft being connected to a ro ⁇ tor for mixing and forming bubbles in the flotation tank.
  • the flotation plant comprises an overflow receptacle.
  • the overflow receptacle is disposed outside the tank module at the level of the upper part of the tank module for receiving the overflow from the flotation tank.
  • the technical effect of the invention is that the overflow receptacle being located outside the tank module enables a maximal flotation capacity in a modu ⁇ lar flotation plant.
  • flotation involves phenomena related to the relative buoyancy of objects.
  • the term flotation includes all flotation techniques.
  • Flotation can be for example froth flotation, dissolved air flotation (DAF) or induced gas flotation.
  • DAF dissolved air flotation
  • Froth flotation is a process for separating hydrophobic materials from hydrophilic materials by adding gas, for example air, to process.
  • Froth flotation could be made based on natural hydrophilic/hydrophobic difference or based on hydrophilic/hydrophobic differences made by addition of a surfactant or collector chemical.
  • Gas can be add ⁇ ed to the feedstock subject of flotation (slurry or pulp) by a number of different ways.
  • gas can be added to the stream of feedstock subject to flotation before it is fed to the flotation tank.
  • gas can be added to feedstock subject to flotation in the flotation tank.
  • gas adding equipment can include gas dispersing equip ⁇ ment at the bottom of the tank.
  • gas adding equipment can include a feedstock (slurry or pulp) jet for jetting the feedstock to air.
  • gas adding equipment includes a rotor inside the tank.
  • gas can be added under the rotor.
  • gas is added by a pipe ending under rotor. The pipe can be inside the flota ⁇ tion tank. The pipe can go through the bottom of the flotation tank.
  • the rotor takes gas from the surface of sludge by vortex.
  • ⁇ ment gas is added by an axis of the rotor.
  • mixing equipment is arranged for mixing the slurry/pulp.
  • Mixing equipment could be for example a pump or a rotor.
  • the feedstock subject of flotation could be taken from one part of flotation tank and put back to another part of flotation tank.
  • the rotor is inside the flotation tank.
  • mixing equipment can include a rotor inside the flota- tion tank.
  • mixing equipment can in ⁇ clude a stator inside the flotation tank. The stator is for boosting mixing and to diffuse air to the feed ⁇ stock (slurry or pulp) subject to flotation.
  • the overflow receptacle is located on one side of the tank module.
  • the technical effect of the overflow receptacle being located only on one side of the tank module is that installing can be made quickly at the site of use.
  • the self- supporting framework of the tank module has a shape of a parallelepiped and comprises framework sidewalls, one of the sidewalls having an opening, and the flota ⁇ tion tank is in fluid communication with the overflow receptacle via the opening.
  • the flota ⁇ tion tank comprises an overflow lip located at the up ⁇ per part of the flotation tank, over which overflow lip the overflow flows from the flotation tank to the overflow receptacle.
  • the overflow lip is located at a height within a range of 85% to 100% of the height of the tank module, wherein the to ⁇ tal height of the tank module represents 100%.
  • the technical effect is that flotation capacity is maxim ⁇ ized as most of the tank height is utilized as a liq ⁇ uid volume, but in froth flotation there still is a sufficient space for the froth.
  • the tank module comprises 1 to 6, preferably 1 to 4, flotation tanks arranged in a row and in fluid communication with each other inside the self-supporting framework of the tank module.
  • the overflow receptacle has a general shape of a funnel and has an outlet at the lowest part of the overflow receptacle.
  • the outlet is located in the middle area of the longitudinal di ⁇ rection of the tank module within a range of 30-70% of the total length of the tank module.
  • the technical ef ⁇ fect is that a suitable degree of sloping can be achieved so that the overflow can flow at a suitable speed downwards by gravity and clogging of the outlet by the overflow can be eliminated.
  • the overflow receptacle is supported by brackets to the self- supporting framework of the tank module.
  • the flota ⁇ tion plant comprises an accessory module.
  • the accesso- ry module is disposed on the side and next to the tank module.
  • the accessory module includes a self- supporting framework having an inner space.
  • the overflow receptacle is disposed in the inner space of the self-supporting framework and supported by brackets to the self-supporting framework of the accessory module.
  • the accessory module is a self-supporting unit capable of being transferable and hoistable as an integral en ⁇ tity. The technical effect is easy maintenance as the tank module can be transferred and hoisted separately from the overflow receptacle.
  • the self- supporting framework of the tank module comprises a framework bottom which together with the framework sidewalls defines the inner space.
  • the flota ⁇ tion tank is a self-supporting structure, and the flo ⁇ tation tank is placed in the inner space of the self- supporting framework without being attached to the framework bottom and the framework sidewalls.
  • the flota ⁇ tion plant comprises a drive module, and the drive units are placed inside the drive module, the drive module being a self-supporting structure being transferable and hoistable as an integral entity, and the drive module is removably placed on top of the tank module .
  • the drive module comprises a self-supporting framework having a shape of a rectangular parallelepiped, the self- supporting framework defining an inner space within the self-supporting framework.
  • the drive units are supported to the self-supporting framework in the inner space of the self-supporting framework.
  • the drive units are releasably connectable to the drive shafts.
  • the drive module comprises two to six, preferably two to four drive units .
  • the flota ⁇ tion plant comprises a pump sump module.
  • the pump sump module is a rigid and self-supporting unit capable of being transferable and hoistable as an integral enti ⁇ ty.
  • the pump sump module comprises a self-supporting framework.
  • the self-supporting framework has an inner space.
  • the pump sump module also comprises a sump tank
  • the sump tank is arranged in the inner space of the self-supporting framework.
  • the pump sump mod- ule comprises a pump. The pump is connected in fluid communication with the sump tank.
  • the accesso- ry module is disposed on top of the pump sump module.
  • flotation is froth flotation.
  • the flota ⁇ tion plant comprises gas adding equipment for adding gas to the feedstock subject of flotation.
  • the flota- tion plant comprises gas adding equipment to the stream of the feedstock subject of flotation before entering the flotation tank.
  • the flota- tion plant comprises gas adding equipment for adding gas to the feedstock subject of flotation in the flo ⁇ tation tank
  • the gas add- ing equipment includes a rotor inside the flotation tank .
  • the gas add ⁇ ing equipment includes a hollow rotatable drive shaft and the rotor is connected to the drive shaft.
  • the feed ⁇ stock subject of flotation is slurry or pulp.
  • the flota ⁇ tion plant comprises mixing equipment.
  • the mixing equipment includes a rotor inside the flotation tank.
  • the mixing equipment includes a stator inside the flotation tank.
  • the flota ⁇ tion tank having a bottom is disposed inside a frame ⁇ work, and the stator is connected to the framework through the bottom.
  • the in ⁇ vention provides use of the froth flotation plant ac ⁇ cording to the first aspect for separating material by flotation based on differences of buoyancy properties of substances. For example there is buoyancy differ ⁇ ence when organic material is separated from aqueous material .
  • the in ⁇ vention provides use of the froth flotation plant ac ⁇ cording to the first aspect for separating solid mate ⁇ rial by froth flotation based on differences of hydro- philic properties of substances.
  • Solid materials sepa- rated by froth flotation could be oil sands, carbon, coal, talk, industrial minerals and mineral particles. The minerals may include industrial minerals and ore.
  • Froth flotation to solid material could be made based on natural hydrophilic/hydrophobic difference or based on hydrophilic/hydrophobic differences made by addi ⁇ tion of a surfactant or collector chemical or other chemical .
  • the in- vention provides use of the froth flotation plant ac ⁇ cording to the first aspect for concentrating ore by froth flotation.
  • An ore is a type of rock that con- tains sufficient minerals with important elements in ⁇ cluding metals that can be economically extracted from the rock.
  • Metal ores are generally oxides, sulfides, silicates, or metals such as native copper or gold.
  • Froth flotation of ore could be made based on natural hydrophilic/hydrophobic difference or based on hydro ⁇ philic/hydrophobic differences made by addition of a surfactant or collector chemical or other chemical.
  • the invention provides use of the froth flotation plant ac ⁇ cording to the first aspect for flotation of substanc ⁇ es containing abrasive material.
  • the abrasive mineral may be, for example, pyrite, silica, chromite.
  • the drive module being hoistable and transferable as one unit to gain access to the tanks enables that the tanks can easily be maintained or replaced when they are outworn and are at the end of their life. This is important especially with the use in connection with abrasive material. Use of the flotation plant which is easy to maintenance is effective when flotation is made to abrasive material.
  • the in- vention provides use of the froth flotation plant ac ⁇ cording to the first aspect for froth flotation of ore containing pyrite, silica, chromite.
  • Use of the flota ⁇ tion plant which is easy to maintenance and has pref ⁇ erably tanks made from PE or PP is effective when flo- tation is made to ore containing pyrite, silica, chro ⁇ mite.
  • PE and PP are durable against the ore containing pyrite, silica, chromite.
  • the invention provides a method of maintenance of a flota ⁇ tion plant of the first aspect of the invention.
  • an uppermost module in the stack of modules is subject of maintenance, and the uppermost module is hoisted up and transferred aside from the top of the lower module and the uppermost module is replaced by a another uppermost module which is placed on top of the lower module.
  • the invention provides a method of maintenance of a flota ⁇ tion plant of the first aspect of the invention.
  • a lower module underneath the uppermost module is subject of maintenance, and the uppermost module is hoisted up from the top of the lower module and transferred aside for gaining access to the lower module .
  • the lower module is replaced by another lower module.
  • inventions described hereinbe ⁇ fore may be used in any combination with each other. Several of the embodiments may be combined together to form a further embodiment of the invention.
  • An apparatus, a method, a composition or a use, to which the invention is related, may comprise at least one of the embodiments of the invention described hereinbefore.
  • Figure 1 is a side view of the flotation plant accord- ing to one embodiment of the invention
  • Figure 2 is a cross-section II-II of Figure 1
  • Figure 3 is a cross-section of an alternative embodi- ment to the embodiment shown in Figure 2.
  • flotation is disclosed in the following examples by reference to froth flotation, it should be noted that the principles of a storeyed modular struc ⁇ ture of the flotation unit and plant according to the invention can be implemented regardless of the specif ⁇ ic type of the flotation, i.e. the flotation technique can be any of the known per se flotation techniques, such as froth flotation, dissolved air flotation or induced gas flotation.
  • Figures 1 and 2 show an embodiment of a simple froth flotation plant.
  • the modules from which the froth flo- tation plant has been built are removably stacked on top of each other to form a modular three-storeyed structure having a first storey I at the bottom, a second storey II in the middle and a top storey III.
  • a tank module 1 is located in the second storey II.
  • the tank module 1 is a self- supporting unit which can be transferred and hoisted as an integral entity.
  • the tank module 1 includes a self-supporting framework 2 having an inner space 3.
  • the self-supporting framework 2 of the tank module 1 comprises a framework bottom 18 and framework side- walls 9 which together define the inner space 3.
  • the tank module 1 includes four froth flotation tanks 4 arranged in a row inside the inner space 3 of the self-supporting framework 2.
  • the neighboring flotation tanks 4 are in fluid communication with each other so that a continuous flow of underflow can flow through the successive flotation tanks 4.
  • the froth flotation tanks 4 are each self-supporting structures.
  • the froth flotation tanks 4 are placed in the inner space 3 of the self-supporting framework 2 without being attached to the framework bottom 18 and the framework sidewalls 9.
  • a preferable embodiment of the tank module 1 and its framework 2 is that they are compatible to intermodal freight container standards whereby they have dimen ⁇ sions and corner fittings which enable intermodal transportability .
  • the froth flotation plant comprises four drive units 5 arranged for each of the froth flotation tanks 4, for the rotation of a drive shaft 6 and a rotor 7 connect ⁇ ed to the drive shaft.
  • the rotor 7 via which frothing gas is fed into the slurry is for mixing the slurry and for forming bubbles therein in the froth flotation tank 4.
  • the four drive units 5 are located in and connected to a drive module 19 which is removably placed on top of the tank module 1.
  • the drive module 19 is a self- supporting structure which is transferable and hoista- ble as an integral entity.
  • the drive module 19 com ⁇ prises a self-supporting framework 20 having a shape of a rectangular parallelepiped.
  • the self-supporting framework 20 defines an inner space 21 within the self-supporting framework 20.
  • the drive units 5 are supported to the self-supporting framework 20 in the inner space 21 of the self-supporting framework.
  • the drive units 5 are releasably connectable to the drive shafts 6.
  • the froth flotation plant comprises an overflow receptacle 8.
  • the overflow receptacle 8 is for receiving the overflow overflowing from the froth flotation tank 4.
  • the overflow receptacle 8 is disposed on one side of the tank module 1 outside the tank module 1 at the level of the upper part of the tank module 1.
  • One of the sidewalls 9 of the tank module 1 has an opening 10.
  • Each froth flota ⁇ tion tank 4 is in fluid communication with the overflow receptacle 8 via the opening 10.
  • the froth flotation tank 4 comprises an overflow lip 11 located at the upper part of the froth flotation tank, over which overflow lip 11 the overflow flows from the froth flotation tank to the overflow recepta- cle 8.
  • the overflow lip 11 is located at a height h within a range of 85% to 100% of the height H of the tank module 1, wherein the total height H of the tank module represents 100%.
  • the overflow receptacle 8 has a general shape of a funnel.
  • the overflow receptacle has an outlet 12 at the lowest part of the overflow receptacle 8.
  • the outlet 12 is located in the middle area of the longitudinal direction of the tank module 1 within a range of 30-70% of the total length of the tank module 1.
  • the overflow receptacle 8 is supported by brackets 13 to the side of the self-supporting framework 2 of the tank module 1.
  • Figure 3 shows a froth flotation plant having a tank module 1, a drive module 19 and an overflow receptacle 8 as those disclosed in connection with the embodiment of Figure 2.
  • the difference in the embodiment of Fig ⁇ ure 3 is that the overflow receptacle 8 is located in ⁇ side and connected to an accessory module 14.
  • the ac- cessory module 14 is located on one side and next to the tank module 1.
  • the accessory module 14 comprises a self-supporting framework 15 having an inner space 16.
  • the overflow receptacle 8 is disposed in the inner space 16 and supported by brackets 17 to the self- supporting framework 15 of the accessory module 14.
  • the accessory module 14 is a self-supporting unit which can be transferred and hoisted as an integral entity just like the other modules.
  • a preferable em ⁇ bodiment of the accessory module 14 and its framework 15 is that they are compatible to intermodal freight container standards whereby they have dimensions and corner fittings which enable intermodal transportabil ⁇ ity .
  • Figures 2 and 3 show that the froth flotation plant comprises a pump sump module 22 which is located in the first storey I.
  • the pump sump module 22 is located right below the tank module 1 so that the tank module 1 and the drive module 19 are removably stacked on top of the pump sump module 22. Thereby the pump sump module 22 acts as a supporting foundation for the tank module 1 and the drive module 19.
  • the pump sump module 22 is located right below the accessory module 14 so that the accessory module 14 is removably stacked on top of pump sump module 22. Thereby the pump sump module 22 acts as a supporting foundation for the accessory module 14.
  • the tank module 1 and the drive module 19 are supported by a foundation module 28 on top of which they are stacked.
  • the pump sump module 22 is a rigid and self-supporting unit which can be transferred and hoisted as an inte- gral entity.
  • the pump sump module 22 comprises a self- supporting framework 23, the self-supporting framework having an inner space 24.
  • a sump tank 25 is arranged in the inner space 24 of the self-supporting framework 23.
  • a first end on an overflow channel 26 opens to the outlet 12 of the overflow receptacle 8 and the other end of the overflow channel 26 opens to the mouth of the sump tank 25.
  • the overflow channel 26 conducts the overflow from the outlet 12 of the overflow receptacle 8 to the sump tank 25.
  • the pump sump module 22 further comprises a pump 27.
  • the pump 27 is connected in fluid communication with the sump tank 25.
  • the pump 27 is arranged to discharge the overflow collected into the sump tank 25 out from the sump tank 25 for further processing .
  • a preferable embodiment of the pump sump module 22 and its framework 23 is that they are compatible to inter- modal freight container standards whereby they have dimensions and corner fittings which enable intermodal transportability.
  • a preferable embodiment of the foundation module 28 is that it is compatible to intermodal freight container standards whereby it has dimensions and corner fit- tings which enable intermodal transportability. Maintenance of the flotation unit or plant is easy and can be performed quickly. If an uppermost module in the stack of modules is subject of maintenance, the uppermost module is simply hoisted up and transferred aside and is replaced by another uppermost module. If a lower module located underneath the uppermost module is subject of maintenance, then the uppermost module is hoisted up from the top of the lower module and transferred aside for gaining access to the lower mod- ule. While the uppermost module is away from the top of the lower module, maintenance operations are per ⁇ formed for the lower module. Alternatively, the lower module can simply be replaced by another lower module. It is obvious to a person skilled in the art that with the advancement of technology, the basic idea of the invention may be implemented in various ways. The in ⁇ vention and its embodiments are thus not limited to the examples described above, instead they may vary within the scope of the claims.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biotechnology (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Paper (AREA)

Abstract

L'invention concerne une installation de flottaison, laquelle installation comprend un module de réservoir (1). Le module de réservoir comprend une ossature autonome (2) ayant un espace interne (3). Le module de réservoir comprend au moins un réservoir de flottaison (4). Le réservoir de flottaison est disposé dans l'espace interne (3) de l'ossature autonome (2). Le module de réservoir (1) est une unité autonome apte à être transférée et hissée sous la forme d'une entité intégrée. Des unités d'entraînement (5) pour la rotation d'arbres d'entraînement (6) sont reliées à un rotor (7) pour mélanger et former des bulles dans les réservoirs de flottaison (4). L'installation de flottaison comprend un réceptacle de débordement (8). Le réceptacle de débordement (8) est disposé à l'extérieur du module de réservoir (1) au niveau de la partie supérieure du module de réservoir pour recevoir le débordement qui déborde des réservoirs de flottaison (4).
PCT/FI2015/050328 2015-05-13 2015-05-13 Installation de flottaison et ses utilisations et procédés de maintenance d'une installation de flottaison WO2016181025A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/FI2015/050328 WO2016181025A1 (fr) 2015-05-13 2015-05-13 Installation de flottaison et ses utilisations et procédés de maintenance d'une installation de flottaison

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/FI2015/050328 WO2016181025A1 (fr) 2015-05-13 2015-05-13 Installation de flottaison et ses utilisations et procédés de maintenance d'une installation de flottaison

Publications (1)

Publication Number Publication Date
WO2016181025A1 true WO2016181025A1 (fr) 2016-11-17

Family

ID=53267401

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/FI2015/050328 WO2016181025A1 (fr) 2015-05-13 2015-05-13 Installation de flottaison et ses utilisations et procédés de maintenance d'une installation de flottaison

Country Status (1)

Country Link
WO (1) WO2016181025A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2413015A (en) * 1944-02-14 1946-12-24 Paul L Wigton Apparatus for fluid suspension classification
EP0156699A1 (fr) * 1984-03-01 1985-10-02 Minemet Recherche Installation modulaire de flottation, et module pour sa réalisation
US20040168964A1 (en) * 2003-02-27 2004-09-02 Sionix Corporation Dissolved air flotation system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2413015A (en) * 1944-02-14 1946-12-24 Paul L Wigton Apparatus for fluid suspension classification
EP0156699A1 (fr) * 1984-03-01 1985-10-02 Minemet Recherche Installation modulaire de flottation, et module pour sa réalisation
US20040168964A1 (en) * 2003-02-27 2004-09-02 Sionix Corporation Dissolved air flotation system

Similar Documents

Publication Publication Date Title
AU2023200574B2 (en) A froth flotation arrangement and a froth flotation method
US8038012B2 (en) Procedure and apparatus of the concentration of hydrophobic materials
EP3295071B1 (fr) Module d'entraînement et son utilisation dans des installations de flottaison
WO2016181027A1 (fr) Installation de flottaison et ses utilisations, module de cuve de pompe et ses utilisations et procédés de maintenance d'une installation de flottaison
US10166550B2 (en) Flotation plant and its uses, a method of changing a flotation tank in a tank module and a method of changing a module
WO2016181029A1 (fr) Installation de flottaison et ses utilisations et procédés de maintenance d'une installation de flottaison
WO2016181025A1 (fr) Installation de flottaison et ses utilisations et procédés de maintenance d'une installation de flottaison
AU2015394642B2 (en) A flotation tank, a tank module and its uses, a flotation plant, a method of replacing the flotation tank, and methods of maintenance of the flotation plant
WO2016181028A1 (fr) Module de réservoir de flottaison et ses utilisations, installation de flottaison, procédé de changement d'un module de réservoir de flottaison, procédé de remplacement du réservoir autonome dans le module de réservoir de flottaison et réservoir autonome
WO2016181019A1 (fr) Unité de flottaison, installation de flottaison, procédé de maintenance et utilisations de l'unité ou de l'installation de flottaison
CN204974214U (zh) 一种矿浆轴流循环集成微泡浮选槽
WO2016181021A1 (fr) Installation de flottaison et ses utilisations, module d'entraînement et ses utilisations et procédés de maintenance d'une installation de flottaison
CN203540138U (zh) 一种高效浓缩机的搅拌脱气槽
CN215940300U (zh) 一种高效机械搅拌式闪速浮选机
WO2016181026A1 (fr) Module de réservoir et ses utilisations, installation de flottaison, procédé de changement du module de réservoir et procédé de changement du réservoir autonome
CN103550957B (zh) 一种高效浓缩机的搅拌脱气槽
WO2016181020A1 (fr) Réservoir de flottaison et ses utilisations, module de réservoir, installation de flottaison, procédé de fabrication et de remplacement du réservoir de flottaison, procédé de fabrication du module de réservoir et procédés de maintenance de l'installation de flottaison
WO2019008216A1 (fr) Procédé de flottation par mousse et agencement de flottation par mousse

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 15724740

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 15724740

Country of ref document: EP

Kind code of ref document: A1