WO2003012217A1 - Separateur centripete - Google Patents

Separateur centripete Download PDF

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Publication number
WO2003012217A1
WO2003012217A1 PCT/NZ2002/000136 NZ0200136W WO03012217A1 WO 2003012217 A1 WO2003012217 A1 WO 2003012217A1 NZ 0200136 W NZ0200136 W NZ 0200136W WO 03012217 A1 WO03012217 A1 WO 03012217A1
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WO
WIPO (PCT)
Prior art keywords
fluid
cone
flow
induction
outlet
Prior art date
Application number
PCT/NZ2002/000136
Other languages
English (en)
Inventor
David Godfrey Kay
Original Assignee
Vortech-Eco Systems Limited
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 Vortech-Eco Systems Limited filed Critical Vortech-Eco Systems Limited
Publication of WO2003012217A1 publication Critical patent/WO2003012217A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C9/00—Combinations with other devices, e.g. fans, expansion chambers, diffusors, water locks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
    • B01D17/02—Separation of non-miscible liquids
    • B01D17/0208—Separation of non-miscible liquids by sedimentation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
    • B01D17/02—Separation of non-miscible liquids
    • B01D17/0208—Separation of non-miscible liquids by sedimentation
    • B01D17/0211—Separation of non-miscible liquids by sedimentation with baffles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
    • B01D17/02—Separation of non-miscible liquids
    • B01D17/0217—Separation of non-miscible liquids by centrifugal force
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D19/00—Degasification of liquids
    • B01D19/0042—Degasification of liquids modifying the liquid flow
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D19/00—Degasification of liquids
    • B01D19/0042—Degasification of liquids modifying the liquid flow
    • B01D19/0052—Degasification of liquids modifying the liquid flow in rotating vessels, vessels containing movable parts or in which centrifugal movement is caused
    • B01D19/0057—Degasification of liquids modifying the liquid flow in rotating vessels, vessels containing movable parts or in which centrifugal movement is caused the centrifugal movement being caused by a vortex, e.g. using a cyclone, or by a tangential inlet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/0039—Settling tanks provided with contact surfaces, e.g. baffles, particles
    • B01D21/0048—Plurality of plates inclined in alternating directions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/0087—Settling tanks provided with means for ensuring a special flow pattern, e.g. even inflow or outflow
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/02—Settling tanks with single outlets for the separated liquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/24—Feed or discharge mechanisms for settling tanks
    • B01D21/2405—Feed mechanisms for settling tanks
    • B01D21/2411—Feed mechanisms for settling tanks having a tangential inlet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/24—Feed or discharge mechanisms for settling tanks
    • B01D21/2427—The feed or discharge opening located at a distant position from the side walls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/24—Feed or discharge mechanisms for settling tanks
    • B01D21/245—Discharge mechanisms for the sediments
    • B01D21/2466—Mammoth pumps, e.g. air lift pumps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/26—Separation of sediment aided by centrifugal force or centripetal force
    • B01D21/267—Separation of sediment aided by centrifugal force or centripetal force by using a cyclone
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C5/00—Apparatus in which the axial direction of the vortex is reversed
    • B04C5/02—Construction of inlets by which the vortex flow is generated, e.g. tangential admission, the fluid flow being forced to follow a downward path by spirally wound bulkheads, or with slightly downwardly-directed tangential admission
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C5/00—Apparatus in which the axial direction of the vortex is reversed
    • B04C5/08—Vortex chamber constructions
    • B04C5/103—Bodies or members, e.g. bulkheads, guides, in the vortex chamber
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C5/00—Apparatus in which the axial direction of the vortex is reversed
    • B04C5/12—Construction of the overflow ducting, e.g. diffusing or spiral exits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2221/00—Applications of separation devices
    • B01D2221/12—Separation devices for treating rain or storm water
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C9/00—Combinations with other devices, e.g. fans, expansion chambers, diffusors, water locks
    • B04C2009/004—Combinations with other devices, e.g. fans, expansion chambers, diffusors, water locks with internal filters, in the cyclone chamber or in the vortex finder
    • 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
    • C02F1/38—Treatment of water, waste water, or sewage by centrifugal separation
    • 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
    • C02F2103/001—Runoff or storm water

Definitions

  • the present invention relates to apparatus or plant for partitioning a multi- component fluid and to related methods.
  • carrier liquid such as water
  • components such as solids (buoyant or dense with respect to the carrier liquid) and/or liquids immiscible with the carrier liquid
  • any such multi-component fluid is within the ambit of the term irrespective of whether or not there is any liquid inclusion and/or irrespective of whether or not there is any gaseous inclusion.
  • a mixture of non agglomerating particulate materials of different density or mass to surface area could be within the scope of the term (and even alone constitute a "fluid") provided there is a prospect of a buoyant versus sinking differentiation with respect to at least a part of the remainder or at least such a relationship between two different particle spreads alone or within the multi- component fluid.
  • British Patent GB 2338192 discloses a gravity separator with a tangential inlet. Whilst certain aspects of its construction is to an extent similar to that disclosed heremafter, the method of operation is quite distinct as that separator involves a tangential inlet from outside of an internal dividing wall.
  • the present invention it is believed relies upon a new partitioning phenomena allowing, when properly configured, cheap and efficient partitioning.
  • the present invention alternatively or in addition is directed to methods and apparatus distinct from that previously known and referred to in the aforementioned patent specifications.
  • the present invention consists in a method of collecting and/or harvesting particulate matter of a fluid, where the particulate matter is of a density greater than the majority of the other material(s) of the system, said method comprising or including the steps of inducing against a surrounding surface an outwardly spiralling flow (ie; vortex) of the fluids as it descends, and allowing the particulate matter and the material(s) to leave the confines of the surrounding surface down into a confinement chamber capable of collecting or harvesting the denser particulate matter substantially centrally with respect to the spiral axis and capable of allowing a movement away of the less dense material(s) from the denser particulate matter.
  • a confinement chamber capable of collecting or harvesting the denser particulate matter substantially centrally with respect to the spiral axis and capable of allowing a movement away of the less dense material(s) from the denser particulate matter.
  • an "induction cone” as ' hereinafter referred to may be a cylindrical surface that converges at a lower frustrum which may be a straight or curved "cone”. That lower "cone” region may itself then expand to define an outwardly expanding cone which may be a straight or curved (eg; hyperbolic or hypoid for example) cone.
  • spiral axis is preferably to a straight axis which in use is at least substantially vertical. It can however be a curved axis and or one not exactly vertical. It is believed however a straight and vertical axis provides the best efficiency.
  • a secondary flow inwards which moves the denser particulate matter inwardly towards the axis, results from the local velocities being higher nearer the spiral axis than they are further away from such axis, the tangential component of velocity decreasing with distance away from the spiral axis.
  • At least the surrounding surface to confine the outwardly spiralling flow is an open bottom outwardly flaring cone or the like structure.
  • said outwardly flaring cone or like structure can be a hyperbolic cone or some approximation therefor.
  • the inducing against a surrounding surface of an outwardly spiralling flow is by means of first inducing an inwardly spiralling flow of the fluid as it descends against a surrounding surface and then allowing the further descent and outward spiralling of the flow therefrom against said surrounding surface.
  • the surrounding surface against which an inwardly spiralling flow is induced can be conical in whole or in part.
  • said conical in whole or in part surrounding surface is in part cylindrical and in part conical.
  • said conical surface in whole or in part is of a straight sided form.
  • said conical surface in whole or in part is of a curved sided form.
  • the collecting or harvesting is by a sump and/or means to clear a sump of the denser particulate matter, the sump forming part of the confinement chamber.
  • the fluid is largely liquid based but may include gas as well as the particulate matter inclusions.
  • it includes the steps of further separating materials of the less dense material(s) by any compatible means.
  • the present invention consists in a method of removing particulate matter from a slurry (whether of multiple carrier liquids or not and whether or not with any gaseous inclusion(s)) where the particulate matter is of a density greater than the carrier liquid(s), said method comprising or including the steps of inducing against a surrounding surface an outwardly spiralling flow (ie; vortex) of the fluids as it descends, and allowing the particulate matter and the material(s) to leave the confines of the surrounding surface down into a confinement chamber capable of collecting or harvesting the denser particulate matter substantially centrally with respect to the spiral axis and capable of allowing a movement away of the less dense material(s) from the denser particulate matter.
  • a confinement chamber capable of collecting or harvesting the denser particulate matter substantially centrally with respect to the spiral axis and capable of allowing a movement away of the less dense material(s) from the denser particulate matter.
  • slurry covers any liquid carried suspension of particulate matter irrespective of whether or not water is present.
  • a secondary flow inwards which moves the denser particulate matter inwardly towards the axis, results from the local velocities being higher nearer the spiral axis than they are further away from such axis, the tangential component of velocity decreasing with distance away from the spiral axis.
  • At least the surrounding surface to confine the outwardly spiralling flow is an open bottom outwardly flaring cone or the like structure.
  • said outwardly flaring cone or like structure can be a hyperbolic cone or some approximation therefor.
  • the inducing against a surrounding surface of an outwardly spiralling flow is by means of first inducing an inwardly spiralling flow of the fluid as it descends against a surrounding surface and then allowing the further descent and outward spiralling of the flow therefrom against said surrounding surface.
  • the surrounding surface against which an inwardly spiralling flow is induced can be conical in whole or m part.
  • said conical in whole or in part surrounding surface is in part cylindrical and in part conical.
  • said conical surface in whole or in part is of a straight sided form.
  • said conical surface in whole or in part is of a curved sided form.
  • the collecting or harvesting is by a sump and/or means to clear a sump of the denser particulate matter, the sump forming part of the confinement chamber.
  • the fluid is largely liquid based but may include gas as well as the particulate matter inclusions.
  • the present invention consists in apparatus for collecting and/or harvesting particulate matter of a complex fluid, where the particulate matter is of a density greater than the majority of the other material(s) of the complex fluid system, said apparatus comprising or including induction apparatus to receive, in use, the complex fluid and to cause about a spiral axis the flow thereof downwardly and agamst a surrounding surface in an outwardly spiralling flow (ie; vortex), and a chamber (open topped or otherwise) adapted whereby, in use, particulate matter and the material(s) allowed to leave downward from the confines of the surrounding surface will collect or harvest the denser particulate matter substantially centrally with respect to the spiral axis and the less dense material(s) than the denser particulate matter will move away from the spiral axis.
  • induction apparatus to receive, in use, the complex fluid and to cause about a spiral axis the flow thereof downwardly and agamst a surrounding surface in an outwardly spiralling flow (ie; vortex
  • induction apparatus to receive the fluid has a fluid inlet at least substantially tangentially into and/or above an induction flow surrounding surface capable of inducing an inwardly spiralling flow of the fluid as it descends against the induction flow surrounding surface prior to, with further descent, there being the outward spiralling of the flow therefrom against said (first mentioned) surrounding surface.
  • the induction apparatus defines a downwardly converging conical surface throats into a downwardly diverging conical surface.
  • the induction apparatus has an inlet substantially tangentially of the axis of the downwardly converging conical surface.
  • the baffles about at least part of the induction apparatus provides a tortuous flow path for fluid(s) from below the surrounding surface to one or more outlets of the chamber.
  • the present invention consists in apparatus for removing particulate matter from a slurry where the particulate matter is of a density greater than the carrier liquid(s), said apparatus comprising or including induction apparatus to receive, in use, the slurry and to cause about a spiral axis the flow thereof downwardly and against a surrounding surface in an outwardly spiralling flow (ie; vortex), and a chamber (open topped or otherwise) adapted whereby, in use, the materials allowed to leave downwardly from the confines of the surrounding surface will collect or harvest the denser particulate matter substantially centrally with respect to the spiral axis and the less dense carrier liquid(s) than the denser particulate matter will move away from the spiral axis.
  • induction apparatus to receive, in use, the slurry and to cause about a spiral axis the flow thereof downwardly and against a surrounding surface in an outwardly spiralling flow (ie; vortex), and a chamber (open topped or otherwise) adapted whereby, in use, the materials allowed to leave
  • the induction apparatus to receive the slurry has a slurry inlet at least substantially tangentially into and/or above an induction flow surrounding surface capable of first inducing an inwardly spiralling flow of the fluid as it descends against the induction flow surrounding surface and then to allow the further descent and outward spiralling of the flow therefrom against said (first mentioned) surrounding surface.
  • the induction apparatus defines a downwardly converging conical surface throats into a downwardly diverging conical surface.
  • the induction apparatus has an inlet substantially tangentially of the axis of the downwardly converging conical surface.
  • the baffles about at least part of the induction apparatus provides a tortuous flow path for fluid(s) from below the surrounding surface to one or more outlets of the chamber.
  • the invention consists in apparatus or plant for partitioning a multi-component fluid, said apparatus or plant comprising or including
  • a swirl or vortex (hereafter "vortex") of at least some of said fluid, and (ii) to induce and/or allow down from the transition zone defined by said surface(s), as a continuation of at least part of the fluid flow from said vortex, a downwardly divergent flow (preferably substantially an inverted vortex [or an inverted version of the swirl]) to exit into said containment surround, and
  • At least one baffle surround of at least part of the vortexing means to prevent a directionally unfettered movement of any fluid exiting below the vortexing means within said containment surround direct to said outlet of the containment surround.
  • said containment surround is unclosed and said at least one outlet is below such unclosed opening(s).
  • said containment surround is substantially or totally closed.
  • said containment surround is a container.
  • said containment surround is a bed or other surround (eg; of a pond, etc.)
  • said containment surround when viewed in plan both fully s urrounds (ie; fully encompasses) the vortexing means and (preferably) substantially encircles the vortexing means.
  • said vortexing means has an inlet (eg; a conduit or pipe) to direct fluid onto said surface(s).
  • said inlet provides a substantially tangential entry of the multi- component fluid onto said surface(s) albeit if with some downward component of direction.
  • said vortex is assisted as to downward flow by gravity and as to vortex spin direction by the means to feed (eg; preferably the inlet) and/or the spin of
  • said surface(s) are impervious or substantially impervious to fluid penetration.
  • the surface(s) can truncate to below the transition zone where there is, in use, to be still a sufficient fluid flow of a kind as will "dump" at least some dense fraction of the multi-component fluid below the vortexing means.
  • said surfaces define a throated region between opposite opening flaring or expending ends or funnel forms.
  • said surface(s) may provide different end or funnel forms to perform functions (B)(i) and (B)(ii) they can be substantially of a similar form and/or substantially similar vertical extent.
  • said form(s) is (are) that (those) of a hyperbolic funnel.
  • one is of such a form.
  • the form is conical or variations of such an at least in part flaring or expanding funnel or end forms.
  • the function (B)(i) can be performed by a cone (or some variation or approximation thereof) throating into an outlet or some downward extension thereof (preferably a cone or bell shape) (whether hyperbolic in form or not or some variation or approximation thereof).
  • said outlet(s) is (are) laterally of said containment surround.
  • said outlet(s) is (are) at or about the level of said transition zone.
  • the apparatus or plant is adapted to partition at least three ways, whereby: dense material(s) will drop to the bottom of the containment surround at least substantially under the vortexing means, buoyant or least dense material(s) will rise above the outlet(s) level whilst being kept from said outlet(s), and at least some of the material(s) between such densities, despite the baffle(s), will pass out said outlet(s).
  • the fluid is liquid based (eg; water contaminated with oil and entrained dense particulate solids). In others it can be gas based in part or totally.
  • the inlet is a pipe or duct of cross-sectional flow area "I" notionalised to a pipe diameter D
  • the transition zone is of horizontal minimum cross-sectional area notionalised to a pipe diameter and the horizontal cross-sectional area between the vortexing means and the baffle(s) surround at about the level of the transition zone and or outlet(s), up through which some of the fluid fraction can well, is notionalised to an equivalent pipe diameter, they bear an inter-relationship respectively of such notional diameters of about O:YzDiD.
  • Other diameter ratios also fall within the scope of the present invention and variations to tune to particular systems are contemplated.
  • Such withdrawal can be by pumping, syphoning or the like and can be from a trap or other collection zone.
  • the baffle(s) surround is a plurality of s rrounding baffles, which in concert provide a tortuous path for the fluid fraction to outflow through said outlet(s).
  • said tortuous path is adapted to provide further fractional separation reliant upon the generation of swirls or vortices that ring about the vortexing means and provide at each instance the prospect of some splitting of fractions on flowing further outwardly (whether upwardly, horizontally and/or downwardly).
  • the torturous path can be provided by secondary components or geometrical features that might not ordinarily be considered as a "baffle” and therefore constructions of that type fall within the scope of the present invention.
  • swirl or vortex generating multiple baffle surrounds are adapted to provide an ever increasing flow path preferably directing away from the exit route and, if desired, preferably based loosely and/or tightly upon the "phi" divergence referred to herein.
  • the outlet is at the level of the transition zone of the vortexing means and preferably the baffle(s) surround is of multiple baffles, each pairing of which is adapted to provide an (about) annular swirl or vortex opposite the proximate (about) annular swirl(s) or vortex (vortices) similarly generated.
  • the vertical components of the flow alternates as the flow negotiates past the outer baffles, each negotiation directing away from the exit route.
  • the present invention consists in a method of partitioning a multi-component fluid, said method comprising or including the steps of, in an environment capable of collecting the most dense and least dense fraction(s) of the multi-component fluid, inducing on a surface a vortex having the effect of centripetally moving a more dense fraction inwardly from whence it drops to its collection or harvesting zone whilst allowing an up flow outside of said surface of the least dense fraction with at least some of the remainder of the multi-component fluid.
  • said method includes the step of, by baffle or other means, restricting egress for the least dense fraction from the environment (e.g. to an outlet, for example, in a containment surround).
  • the inducing is performed using a surface of a kind previously , defined or surfaces of a kind previously defined by reference to apparatus or plant of the present invention.
  • the present invention consists in combination with a method of the present invention, the step or steps of creating a surround of different substantially annular upwardly and downwardly rotating swirls or vortices, the directions of which alternate.
  • the invention consists in a method of partitioning parts of a multi-component liquid as it rises from a downwardly induced swirl or vortex, said method comprising leading component fractions to different capturing and/or egress regions reliant on a baffle surround of multiple baffles (preferably in pairs).
  • the present invention consists in water treatment plant which embodies, as a means of separation, apparatus or plant or method(s) in accordance with the present invention or a method or methods of the present invention.
  • the present invention consists in the separate catchments and flows that results from the use of apparatus, plant or methods of the present invention.
  • the invention provides apparatus for the removal and retention of any (i) dense (usually solid and/or particulate material) and (ii) buoyant material(s) from a fluid (eg; liquid carrier) of a multi-component fluid comprising or including, a housing or containment surround with an outlet,
  • a fluid eg; liquid carrier
  • a multi-component fluid comprising or including, a housing or containment surround with an outlet
  • an induction "cone” (truncated, extended or otherwise) open at each end positioned with its longitudinal axis substantially vertically and with its broad end uppe ⁇ nost, means to feed the fluid onto and into said induction cone so as to create a vortex or swirl of a kind into the centre of which dense material(s) will tend to move as they descend, and at least one baffle positioned below the outlet and between the housing or containment surround and the induction cone.
  • the term "cone” can be of any wall line or curve (regular or irregular, straight or curved, etc.) providing a vortex or downward spiral flow can be induced therein.
  • the present invention consists in apparatus to separate materials of a multi-component fluid on a density basis within some means of containment, said apparatus including an induction cone or other surface (e.g. hyperbolic funnel) (hereafter “cone”) capable of supporting a downwardly spirallmg flow vortex of the fluid to an exit into the containment, and a deflection baffle or baffles to fetter a unidirectional up flow route to a radial exit of the containment for some of the flow.
  • induction cone or other surface e.g. hyperbolic funnel
  • cone e.g. hyperbolic funnel
  • said containment eg; a bund, pond, vessel, or the like
  • said containment has at least one radial outlet, radial with respect to the axis of the vortex, and the baffle(s) is (are) between at least lower regions of the cone and the outlet(s).
  • the apparatus includes a pipe or other substantially tangential infeed onto the surface of the cone.
  • the apparatus is an assembly having inlet(s) passing through the outer container (as the containment) and connected to said induction cone, the inlet(s) being tangential to said induction cone.
  • the induction cone has a seamless connection to an optional (but preferred) exit cone, joining at a "throat”, a "waist”, or substantially an "equator”.
  • a rim of the induction cone is above the level of the fluid and fraction(s) thereof, and/or a rim of the preferred exit cone is below such level.
  • the apparatus can with its containment (and preferred outlet(s)) can provide a sump where contaminants that are heavier than water may congregate, the sump optionally having means whereby the heavier contaminants can be harvested.
  • the apparatus provides for semi-partitions or baffles, that direct(s) the rising contaminants that are lighter than the liquid away from the exit route.
  • the apparatus provides for a separated compartment to allow the lighter contaminants to congregate at the surface between the inlet and outlet.
  • the present invention provides an apparatus for the removal and retention of solid, particulate and buoyant materials from a liquid comprising: an outer housing or containment fitted with an outlet pipe and containing; an induction cone fitted with an inlet pipe and positioned substantially vertically with its broad end uppermost and which is truncated at the narrow end, and at least one baffle positioned below the outlet pipe and between the outer housing or containment and the induction cone.
  • the induction cone is contiguously j oined at said narrow end with the similarly truncated narrow end of an exit cone positioned beneath it.
  • baffles positioned at least in part below the outlet pipe, one above the other between the outer housing and the induction cone (or j oined induction and exit cones) .
  • the upper baffle comprises a truncated cone and is positioned with its narrow end uppermost (and preferably approximately in line with the upper rim of the induction cone)
  • the lower baffle comprises a truncated cone and is positioned with its narrow end uppermost (and preferably approximately in line with the lower narrow rim of the induction cone), and preferably including a flange around its lower rim which is substantially parallel with said outer housing, the diameter of the flange being such that a narrow passageway is defined between said flange and said outer housing.
  • the diameter of the outer rim of the lower baffle is substantially the same as that of the outer housing, and apertures are defined around the rim to allow material to pass through.
  • a flange which is substantially parallel with the outer housing may be included around the rim and indented to conform with the apertures, thus defining channels through which material may pass.
  • baffles have the shape of truncated cones, it is envisaged as within the scope of the invention that they may take any shape.
  • baffles intermediate between the upper and lower baffles may be shaped to assist in the refining of the flow of liquid as required.
  • the inlet pipe is fitted to the upper portion of the induction cone and is tangential to it.
  • the outlet pipe is positioned below the level of the upper rims of both the induction cone and upper baffle.
  • the multi-component fluid has a liquid carrier and the liquid is water.
  • the outer housing or containment is fitted with an outlet (eg syphon, pump or the like) for the removal of solid waste, and another (syphon, pump, lid, etc. or the like) for buoyant waste.
  • an outlet eg syphon, pump or the like
  • another syphon, pump, lid, etc. or the like
  • the outer housing may be formed from soil or rock if the internal structures are supported within an excavation in the ground, and the edges of the excavation are the containment.
  • the apparatus includes an additional outer container which may be used to hold sediment or effluent removed from the liquid.
  • baffles and cones may be bolted to the outer housing, or suspended in any suitable manner.
  • apparatus may be formed as a single unit.
  • a number of different materials are suitable for the construction of the apparatus .
  • it could be formed from fibreglass, plastic, metal, and concrete or any other suitable like material.
  • the size of the apparatus is not to be limited. A small apparatus may be required to be fitted into a single dwelling domestic system, or very large versions of the system may be employed in dealing with the high volume storm water outlet for an urban community.
  • the apparatus When in use the apparatus is filled with the liquid to be cleaned, and as new liquid enters through the inlet pipe, cleaned liquid leaves via the outlet pipe maintaining a constant volume of water in the apparatus.
  • the liquid within the induction cone naturally moves into a radial motion about the circumference of the cone, due to the tangential inlet, and accelerates as the diameter of the cone reduces towards the narrowest point where the induction cone is preferably joined to an exit cone.
  • the equator the motion of the liquid changes from a substantially tangential or circulatory motion to a substantially axial motion then returns to a substantially tangential or circulatory motion in the exit cone.
  • the baffle or baffles is/are so positioned as to deflect this liquid away from the exit port and to cause it to rotate about the chamber and outer surface of the induction cone with the effect that the contained buoyant material is concentrated in a collection area on the upper surface of the liquid within the confines of the/or upper baffle while the exiting liquid is required to travel downward, eventually to make its way to the outlet pipe. If a lower baffle is present the upper surface of its encourages the liquid to then rise to the outlet pipe.
  • the detailed motion of the liquid in the apparatus, and the consequent separation out of unwanted solid matter and buoyant materials is specified in the examples below, and in Figure 5.
  • the invention consists in a method of removing materials from a carrier fluid (eg; a liquid) comprising or including diverting the complex fluid through an inlet of the apparatus of the invention, thus enabling the fluid to undergo the specific motions engendered in it by the structure of the apparatus, collecting dense material present in the liquid on the base of the containment, housing or surround, collecting buoyant materials in the upper surface of the fluid within the confines of containment, housing or surround and allow at least some of the remainder to egress via an outlet or outlets.
  • a carrier fluid eg; a liquid
  • the solid and buoyant materials are subsequently removed from the apparatus (eg; for safe disposal).
  • Figure 1 is a cross section elevation of the apparatus assembly and containment
  • Figure 2 is a cross section plan view of the apparatus assembly and containment with the covering roof removed
  • Figure 3 is a cross-section elevation of the induction cone assembly including inlet pipe
  • Figure 4 is a plan view of the induction cone assembly including inlet pipe,
  • Figure 5 is a diagram of the assembly attempting to portray some of the induced movements of the fluid cycle
  • Figure 6 is a diagram showing one possible configuration of the assembly connected to the outlet of a retention catchment
  • Figure 7 A is a view of a more preferred cross-section elevation of the apparatus showing multiple pairings of baffle encircling the induction cone and its exit cone extension which as shown is not truly a hyperbolic funnel into a hyperbolic funnel but rather a conventional cone waisting into a bell shape exit "cone", the baffle surrounds within the vessel or container (optionally lidded with or without air bleed holes, openings or the like) having an ability to provide multiple separations beyond the three primarily referred to (ie; there can be additional separations owing to the sequence of movements outwardly),
  • Figure 7B is a further variant of the arrangement shown in Figure 7A,
  • Figure 8 is a diagram of Figure 7A showing the swirl directions and the like within the container showing the alternating between each pairing of outer baffles which gives rise to additional separation,
  • Figure 9 shows a side elevation of a form of construction where other than a single moulded or formed member is utilised for the surface on which the vortices are to be induced, in this instance a coupling attaching to substantially conical forms to provide the induction cone and the exit cone, the angle « being about 3 to 4°.
  • Figure 10 shows a plan view showing the relationship of the inlet (preferably an inlet tangential to the induction cone) optionally angled (eg; for example 3 to 4°) downwardly (but angles may be higher or lower) so as to induce for the Southern
  • Figure 11 shows a diagrammatic view of how a separator in accordance with the present invention can arrange for a three way partition at the very least with a minimum of baffling surrounding the surface defining means on which the vortex is to be induced
  • Figure 12 shows apparatus substantially as shown in Figure 7A or 7B or some variant thereof but without a base such that dense materials drop into a larger containment or surround,
  • Figure 13 shows still another variation, this time where the containment or surround outlet feeds into a larger containment
  • Figure 14 is an arrangement which has both an induction and exit cone but has the lower and outer baffles removed from the exit upper most from the inner baffle to allow entrained material to exit,
  • FIG 15 is apian view of the apparatus of Figure 14,
  • Figure 16 shows an arrangement adapted for the extraction of oils and buoyant material
  • Figure 17 shows an arrangement where the whole apparatus is closed and acts as a pressurised or evacuated vessel to allow to be pressurised by a pressure feed (ie; pump) or to be evacuated reliant on a vacuum (ie; sucked through),
  • Figure 18 shows the cross sectional elevation of another arrangement where there is a vertically positioned spiral baffle hi the outer regions,
  • Figure 19 shows the plan section at B-B with respect to the apparatus of Figure 18
  • Figure 20 is a similar view to that of Figure 19 but showing additionally vertical ribs attached to the spiral baffle thereby creating a tortuous exit route while inducing reverse currents, which in turn create additional drop zones where solids can slough off to fall to the sump, such an arrangement also being capable of being used in an arrangement as shown in, for example, the drawings 14 and 15,
  • Figure 21 is an attempt to elaborate on Figures 5 and 8 to show the flow path of a particle that has a specific gravity greater than that of the fluid (other particles and/or liquid or gas) that hitherto entrained in it and of the flow itself,
  • Figure 22 shows still a further embodiment having hi broken outline an outlet more or less at the "equator” ie; the level of the transition between the induction and exit cones (the later being shown substantially hypoid) and having disposed thereabout a number of baffle structures,
  • Figure 23 is a diagrammatic view of a dairys solids extraction and baffle layer where ideally the outlet for solids is from a sump underneath and on the spiral axis whilst liquids pass out optionally through a filter or block surround to optionally a bark filter or planted media filters,
  • Figure 24 shows a test rig where a slurry of silica sand in water is tested in the configuration depicted, the lower divergent hypoid or exit cone in some runs having been removed.
  • This apparatus in one aspect relates to the separation and retention of buoyant and solid matter from liquids in which it is contained, and in particular relates to the development of specific movements of the contained fluids, which facilitates the separation of the compounds that have been introduced within the fluid reliant on their specific weight.
  • This invention is most suitable for improving the quality output of transported or "used" water, especially storm water and effluents.
  • An external container 1 is provided with a sealed water entry pipe 2 positioned so as to transport water to the induction cone 3, providing means for entry of the water.
  • Pipe 2 enters the induction cone 3 at a tangent.
  • the water initially moves in a circulatory fashion having the larger circumference of the cone to travel, due to the fact that water has entered the container the same amount of water has departed the containment, the exit is separated form the entry water by said cone therefore the water follows the prescribed path to the exit port.
  • This path of travel or exit route is as follows;
  • the water is now moving in a substantially circulatory direction (but has an inwardly radial component due to the change in the circumference of the induction cone as the flow travels vertically or in an axial sense) around the perimeter of the cone; the water has to travel down through the throat 4 to the exit cone 5.
  • the induction or entry end of the double cone assembly tapers toward the throat or equator 4, the circumference reduces, as does the sectional area, therefore the water accelerates, as it gets closer to the equator.
  • the compounds or contaminants that have a specific weight lighter than that of the water may remain on the surface unless they are eventually drawn into the flow.
  • the development of the dynamic movement of the water, or vortex established within the induction cone conveys the heavier objects to the central spine or around the centre of rotation of the water flow.
  • Aeration and treatment of suspended compounds may occur due to the dynamic flow patterns (double helical/peripheral and single spiral/axial flows).
  • the induced vortices may suspend compounds, which may subsequently be infused with the abundant oxygen available as a result of the flow patterns created.
  • the water enters the directional exit cone 5, at which time deceleration commences, with the flow tending from substantially axial to a substantially circulatory one (but with an outwardly radial component due to the change in circumference) as the diameter of the exit cone 5 increases, velocities decrease and outer pressure increases, while inner pressures decrease (located within the central axis of the exit cone).
  • the final exit directional flow is determined by the departure angle and curvature of the exit cones rim. A horizontal departure is preferred, establishing the greatest variance between the pressure zones.
  • the rising water and buoyant material meets with an angled deflection baffle 8, which directs the flow upwards away from the exit mouth and towards the central flows around the outer of the induction cone 3 and the surface.
  • the rising flows increase their velocities due to a reduction of area created by the decreasing diameter of the induction cone 3 and the decreasing diameter of the deflection baffle 8, hence, dynamic rotational flows are established around the central cone 3 , conveying the fast moving buoyant material to the collection containment 9 at the surface.
  • the buoyant containment area is separated from the exit port by means of a separation baffle 10, with the mouth or entry point 11 into the exit area being within the space between baffle 8 and baffle 10, therefore, exiting water must travel downward enroute to the exit, leaving the buoyant or lighter material in the upper containment 9 behind.
  • the primary treated water enters the exit compartment 12, and travels toward the exitport(s) 13. Sediments that fall out of the flow stream once past the apex of the defection baffle 8, are able to settle to the sump 7, bypassing between the side wall of the container 1 and the mounting points of the baffles 8 and 10, this passageway 14, is a corridor which hihibits short-circuiting of the pre-described exit route by way of additional baffles.
  • centripetal separator assembly as previously described is further fitted within an outer container 16; this container could be a sediment or effluent retention pond.
  • the inlet port 2 transports the fluids from below the surface water of container 16, into the centripetal separator assembly.
  • Sediment discharge port 17 or 17a, located within sump 7 allows the captured sediments within the said sump to be directed to the base of container 16.
  • Exit port 13 of the centripetal separator assembly is now the outlet for the primary treated fluids from container 16.
  • centripetal separator assembly has been described in this preferred embodiment as being formed from the assembly of the components described, it is within the scope of the invention that the apparatus may be formed in one piece.
  • the containment or surround 18 is bottomless at region 18 A such that materials that are dense can drop down onto the bottom 19 of the greater containment or surround. Indeed also materials almost as dense as those to drop to 19 can be allowed to egress from a baffle defined collection zone 20 which can in turn, if desired, allow egress thereof down onto the bottom 22 via outlets (gravity, pumped or otherwise) 21. Provision (not shown) can be made for harvesting of buoyant materials from adjacent the top regions 23 and 24. If the whole apparatus is lidded this could take the form of pumped outlets or siphoned outlets.
  • Figure 13 The arrangement of Figure 13 is to some extent similar to that of Figure 3 except that there is no provision for dropping of dense materials from within the containment 18 down to a surface 19.
  • an outlet 25 is provided on either side of the containment 18 and the materials outflowing via an outlet 25 from the containment 18 (preferably water in a water purification procedure clean of buoyant and dense inclusions) can thereafter be uplifted out of zones 26 of a greater containment system which could, if desired, be the perimeter of a pond, swamp, bund, or the like.
  • FIG. 14 is a plan view of the separator of Figure 14. Shown in the drawings is the inlet 29 which feeds tangentially to the induction cone 30, the spiral baffles 31 , a removable lid 32, and a fluids outlet 33.
  • a solids outlet 34 is provided from the confinement chamber or outer container 35 which defines internally therein a sump region 36. Shown is the equator region 37 between in this case a straight walled (when considered in the plane of the spiral axis) exit cone 38.
  • Figure 15 shows the skirt 36 of an inner upper baffle.
  • Figure 16 shows a variant adapted for oils and buoyant material. Shown is an outer container 37, an induction cone 38 an equator 39 and an exit cone 40 surrounded by baffles 41 all positioned below a water level 42 of the unit 43.
  • the inlet 44 provides a tangential inflow into the induction cone 38 and a float 45 with an outlet 46 below the water level 42 allows a flexible hose 47 to provide an outlet for oil and floatables at 48.
  • Figure 17 shows a pressurised or evacuated vessel.
  • a fluids inlet at 49 to provide a tangential inflow to the induction cone 50 with its equator region 51 and its exit cone or hypoid 52.
  • the equator of course as in some of the other embodiments is aligned above a sump region 53 which is above an outlet 54 from the pressure vessel 55 with its pressure control valve 56.
  • a one way air inlet 57 is provided (preferably with check valve) so that the sealed pressure container 55 connected by connecting hose 58 can vent the vacuum drawn in the induction cone 50 thus better drawing in the induction intake f low.
  • pressure fed alternatives can be utilised that pressurise the inlet flow.
  • a fluid outlet 59 is provided at or about the level of the equator 51 protected by the tortuous path provided by the baffles 60 and below an outlet 61 for gross buoyant material that optionally is below a baffle fed fine buoyant material outlet 62.
  • Figure 17 for example includes in addition an outlet 63 for fine solids that are dense but have not been collected in the sump 53 for harvesting
  • Figure 18 shows still a further embodiment where a spiral baffle 64 is used about the equator 65 between the induction cone 66 and exit cone 67. Again shown is an inlet 68 and an outlet 69.
  • Figure 19 shows the induction cone 66 centrally of the spiral baffle 64 within the containment vessel 70.
  • Figure 20 shows a variant of the section shown in Figure 20 where vertical ribs or vortex induces 71 are supported and/or support the spiral baffle these generate reverse currents within the baffle flow and act as drop zones whereby solids slough off and fall to the sump. Such an arrangement can be utilised in any of the other spiral forms.
  • Figure 21 attempts to show the flow path of a particle that has a specific gravity greater than that of the fluid (eg; liquid) conveying it.
  • Figure 22 shows a more detailed construction of apparatus in cross section and showing in broken outlines an outlet at the equator
  • Figure 23 shows still a system suitable for dealing with dairy solids where an air lift or pump extraction 72 can lift solids from the sump outlet 73 below the spiral axis of the induction cone 74, the equator 77 and the exit cone 78. Disposed substantially above the baffle 79 are encircling filter blocks 80 thus to some extent restricting outflow of liquids to a bark filter and planted media filter 81. Other variants of such an arrangement are described in our New Zealand Patent Specification No. 517918/517985.
  • Figure 24 shows a diagram of apparatus used to test for a number of aspects of the invention utilising a slurry of silica sand (coarse and fine) in water.
  • Table 1 shows the test results for both coarse sand (250 microns) and fine sand
  • Pressure drop was calculated based on pressure drop across the separator compared to pressure drop along pipe (100 mm diameter) per unit length at a given concentration mixture and rate of flow.
  • the mixture concentration affects the apparent efficiency of the separator. At lower mixture levels, the percentage of separation rate is greater than that of higher mixture levels. The separation increases with velocity regardless of mixture levels. This is probably caused by a high level of turbulence and mixing.
  • the performance of the vortex separator depends on the velocity of flow entering the separator. As the velocity increases, it enhances the rotation of the flow in the separator and forms inward flow of water particles. 2) The efficiency of separation increases with higher rate of flow. At the same concentrate, the efficiency is higher at greater rate of flows than lower rates. The highest efficiency recorded was about 99.8% at about

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Cyclones (AREA)

Abstract

L'invention concerne un procédé de séparation consistant à induire contre une surface périphérique un flux qui se déplace en spirale vers l'extérieur et qui débouche dans une surface ouvrant vers le bas, contre laquelle au moins une partie du flux évolue en spirale, de telle sorte que les matières particulaires les plus denses sont déposées centralement par rapport à l'axe de la spirale, tandis que les matières particulaires les moins denses s'écartent, de préférence dans un espace de confinement présentant une sortie.
PCT/NZ2002/000136 2001-07-30 2002-07-29 Separateur centripete WO2003012217A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
NZ51322401 2001-07-30
NZ513224 2001-07-30
NZ51779302 2002-03-14
NZ517793 2002-03-14

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WO2003012217A1 true WO2003012217A1 (fr) 2003-02-13

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005019113A2 (fr) 2003-08-22 2005-03-03 Graham Bryant Appareil permettant de pieger des matieres particulaires flottantes et non flottantes
WO2005093179A1 (fr) * 2004-03-15 2005-10-06 Anders Persson Chambre de turbulence a clapet de non retour mobile et injecteur d'air pour empecher la sedimentation dans les eaux pluviales et purges d'eaux usees
EP2101894A1 (fr) * 2006-11-30 2009-09-23 Westlake Longview Corporation Séparateur haute pression
EP2531270A1 (fr) * 2010-02-02 2012-12-12 Outotec OYJ Procédé et agencement pour retirer un gaz d'un liquide
WO2013173852A1 (fr) * 2012-05-16 2013-11-21 Dunman Barry Ross Séparateur et procédé de traitement d'un liquide contaminé
EP3381868A1 (fr) 2017-03-28 2018-10-03 Thersso Water Systems, S.L. Système combiné de filtration et de séparation centrifuge pour purifier des fluides aqueux et procédé utilisant ledit système
WO2020023331A1 (fr) 2018-07-23 2020-01-30 Contech Engineered Solutions LLC Séparateur hydrodynamique
CN114901205A (zh) * 2019-11-08 2022-08-12 布鲁诺·普瑞根泽 牙科碎屑分离器
WO2022260537A1 (fr) * 2021-06-08 2022-12-15 David Godfrey Kay Appareil et procédé permettant de générer une pression négative
JP7394341B2 (ja) 2019-10-11 2023-12-08 日冷工業株式会社 気液分離器

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US4399027A (en) * 1979-11-15 1983-08-16 University Of Utah Research Foundation Flotation apparatus and method for achieving flotation in a centrifugal field
US5653347A (en) * 1992-06-30 1997-08-05 Cyclotech Ab Cyclone separator
WO1998050131A1 (fr) * 1997-05-05 1998-11-12 Antoun Gregory S Ensemble filtre cyclone
WO1999055464A1 (fr) * 1998-04-28 1999-11-04 Esi Environmental Solutions Inc. Generateur de cyclones a depression et procede associe
GB2338192A (en) * 1998-06-11 1999-12-15 Better Water Company Internati Gravity separator with tangential inlet
WO2000047305A1 (fr) * 1999-01-28 2000-08-17 Fuel Dynamics Separation de glace cyclonique pour carbureacteurs basse temperature

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4399027A (en) * 1979-11-15 1983-08-16 University Of Utah Research Foundation Flotation apparatus and method for achieving flotation in a centrifugal field
US5653347A (en) * 1992-06-30 1997-08-05 Cyclotech Ab Cyclone separator
WO1998050131A1 (fr) * 1997-05-05 1998-11-12 Antoun Gregory S Ensemble filtre cyclone
WO1999055464A1 (fr) * 1998-04-28 1999-11-04 Esi Environmental Solutions Inc. Generateur de cyclones a depression et procede associe
GB2338192A (en) * 1998-06-11 1999-12-15 Better Water Company Internati Gravity separator with tangential inlet
WO2000047305A1 (fr) * 1999-01-28 2000-08-17 Fuel Dynamics Separation de glace cyclonique pour carbureacteurs basse temperature

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005019113A2 (fr) 2003-08-22 2005-03-03 Graham Bryant Appareil permettant de pieger des matieres particulaires flottantes et non flottantes
EP1689506A2 (fr) * 2003-08-22 2006-08-16 Graham Bryant Appareil permettant de pieger des matieres particulaires flottantes et non flottantes
EP1689506A4 (fr) * 2003-08-22 2008-07-02 Graham Bryant Appareil permettant de pieger des matieres particulaires flottantes et non flottantes
WO2005093179A1 (fr) * 2004-03-15 2005-10-06 Anders Persson Chambre de turbulence a clapet de non retour mobile et injecteur d'air pour empecher la sedimentation dans les eaux pluviales et purges d'eaux usees
EP2101894A1 (fr) * 2006-11-30 2009-09-23 Westlake Longview Corporation Séparateur haute pression
EP2531270A4 (fr) * 2010-02-02 2015-04-29 Outotec Oyj Procédé et agencement pour retirer un gaz d'un liquide
EP2531270A1 (fr) * 2010-02-02 2012-12-12 Outotec OYJ Procédé et agencement pour retirer un gaz d'un liquide
WO2013173852A1 (fr) * 2012-05-16 2013-11-21 Dunman Barry Ross Séparateur et procédé de traitement d'un liquide contaminé
GB2516603A (en) * 2012-05-16 2015-01-28 Barry Ross Dunman Separator and method for treatment of a contaminated liquid
GB2516603B (en) * 2012-05-16 2016-09-14 Ross Dunman Barry Separator and method for treatment of a contaminated liquid
EP3381868A1 (fr) 2017-03-28 2018-10-03 Thersso Water Systems, S.L. Système combiné de filtration et de séparation centrifuge pour purifier des fluides aqueux et procédé utilisant ledit système
WO2018177929A1 (fr) 2017-03-28 2018-10-04 Thersso Water Systems, S.L. Système combiné de filtration et de centrifugation permettant de purifier des fluides aqueux et procédé utilisant ledit système
WO2020023331A1 (fr) 2018-07-23 2020-01-30 Contech Engineered Solutions LLC Séparateur hydrodynamique
EP3826746A4 (fr) * 2018-07-23 2022-10-12 Contech Engineered Solutions LLC Séparateur hydrodynamique
JP7394341B2 (ja) 2019-10-11 2023-12-08 日冷工業株式会社 気液分離器
CN114901205A (zh) * 2019-11-08 2022-08-12 布鲁诺·普瑞根泽 牙科碎屑分离器
WO2022260537A1 (fr) * 2021-06-08 2022-12-15 David Godfrey Kay Appareil et procédé permettant de générer une pression négative

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