WO2017190759A1 - Dispositif de mélange par injection, système de traitement de fluide, et procédé de mélange d'un premier fluide et d'un second fluide - Google Patents

Dispositif de mélange par injection, système de traitement de fluide, et procédé de mélange d'un premier fluide et d'un second fluide Download PDF

Info

Publication number
WO2017190759A1
WO2017190759A1 PCT/EP2016/059758 EP2016059758W WO2017190759A1 WO 2017190759 A1 WO2017190759 A1 WO 2017190759A1 EP 2016059758 W EP2016059758 W EP 2016059758W WO 2017190759 A1 WO2017190759 A1 WO 2017190759A1
Authority
WO
WIPO (PCT)
Prior art keywords
fluid
injection
mixing device
swirl
outlet
Prior art date
Application number
PCT/EP2016/059758
Other languages
English (en)
Inventor
Mohamed Reda Akdim
Arturo Ernesto Menchaca LOBATO
Original Assignee
Fmc Separation Systems, Bv
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 Fmc Separation Systems, Bv filed Critical Fmc Separation Systems, Bv
Priority to PCT/EP2016/059758 priority Critical patent/WO2017190759A1/fr
Publication of WO2017190759A1 publication Critical patent/WO2017190759A1/fr

Links

Classifications

    • 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
    • B01D17/04—Breaking emulsions
    • B01D17/047—Breaking emulsions with separation aids
    • 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
    • B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
    • B01D17/06—Separation of liquids from each other by electricity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/10—Mixing by creating a vortex flow, e.g. by tangential introduction of flow components
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/30—Injector mixers
    • B01F25/31—Injector mixers in conduits or tubes through which the main component flows
    • B01F25/313—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/30—Injector mixers
    • B01F25/31—Injector mixers in conduits or tubes through which the main component flows
    • B01F25/313—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit
    • B01F25/3131—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit with additional mixing means other than injector mixers, e.g. screens, baffles or rotating elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/30—Injector mixers
    • B01F25/31—Injector mixers in conduits or tubes through which the main component flows
    • B01F25/313—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit
    • B01F25/3132—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit by using two or more injector devices
    • B01F25/31322—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit by using two or more injector devices used simultaneously
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/30—Injector mixers
    • B01F25/31—Injector mixers in conduits or tubes through which the main component flows
    • B01F25/313—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit
    • B01F25/3132—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit by using two or more injector devices
    • B01F25/31323—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit by using two or more injector devices used successively
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/30—Injector mixers
    • B01F25/31—Injector mixers in conduits or tubes through which the main component flows
    • B01F25/313—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit
    • B01F25/3133—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit characterised by the specific design of the injector
    • B01F25/31331—Perforated, multi-opening, with a plurality of holes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/30—Injector mixers
    • B01F25/31—Injector mixers in conduits or tubes through which the main component flows
    • B01F25/313—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit
    • B01F25/3133—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit characterised by the specific design of the injector
    • B01F25/31331—Perforated, multi-opening, with a plurality of holes
    • B01F25/313311—Porous injectors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/40—Static mixers
    • B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
    • B01F25/43—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction
    • B01F25/431—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor
    • B01F25/4314—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor with helical baffles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/40—Static mixers
    • B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
    • B01F25/43—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction
    • B01F25/431—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor
    • B01F25/43197—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor characterised by the mounting of the baffles or obstructions
    • B01F25/431972—Mounted on an axial support member, e.g. a rod or bar
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G31/00—Refining of hydrocarbon oils, in the absence of hydrogen, by methods not otherwise provided for
    • C10G31/10—Refining of hydrocarbon oils, in the absence of hydrogen, by methods not otherwise provided for with the aid of centrifugal force
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F2025/91—Direction of flow or arrangement of feed and discharge openings
    • B01F2025/913—Vortex flow, i.e. flow spiraling in a tangential direction and moving in an axial direction

Definitions

  • the present invention relates to injection-mixing devices and in particular such devices for use in systems for the treatment of oil, water and/or gas.
  • the present invention is motivated by the need to improve the efficiency and cost- effectiveness of injection-mixing system used in the crude oil desalting process in refineries.
  • the present invention provides an injection-mixing device comprising a main pipe for a first fluid, an injection device and a swirl-generating element, wherein
  • the main pipe comprises an inlet for the first fluid and an outlet for a treated fluid
  • the injection device comprises an inlet and at least one outlet for a second fluid, and the at least one outlet is arranged within the main pipe; and the swirl-generating element is arranged such that a centrifugal force is imparted or applied to the first fluid and the second fluid.
  • the first fluid is a fluid to be treated and the second fluid is a treatment fluid.
  • the injection-mixing device comprises a treatment fluid line connected to the inlet of the injection device.
  • the injection device comprises at least one nozzle or a perforated or porous element.
  • the at least one injection nozzle is arranged to provide a full/solid cone or a hollow cone spray pattern.
  • the perforated or porous element is a hollow conical, hemispherical, hemiellipsoid or cylindrical element.
  • the swirl-generating element is arranged upstream the outlet of the injection device.
  • the swirl-generating element is arranged between the inlet of the main pipe and the outlet of the injection device.
  • the swirl-generating element is arranged between the outlet of the main pipe and the outlet of the injection device.
  • the swirl-generating element comprises vanes arranged to induce a swirl motion to the fluid to be treated.
  • the at least one outlet of the injection device is arranged to provide a treatment fluid flow in a radial direction away from the centerline of the main pipe. In yet an embodiment of the injection-mixing device, the at least one outlet of the injection device is arranged to provide a treatment fluid flow at the inner wall of the main pipe. In yet an embodiment of the injection-mixing device, a section of the treatment fluid line is arranged through the swirl-generating element. The section of the treatment fluid line may form an integral part of the swirl-generating element.
  • the centerline of the section of the treatment fluid line arranged through the swirl-generating element is arranged at (i.e. coinciding with) the centerline of the main pipe and one end of the section is connected to the inlet of the injection device.
  • the main pipe comprises a pipe flange at the inlet and/or the outlet.
  • the pipe flange(s) allows for easy connection of the injection-mixing device to for instance a pipe line, a second injection-mixing device, a separator section and/or a treatment section.
  • the separator section may separate (part of) the treatment fluid from the treated fluid and also part of the salt-containing water droplets that were already contained (dispersed) in the stream to be treated.
  • the injection-mixing device comprises a flow straightener arranged downstream the at least one outlet of the injection device.
  • the flow straightener may comprise vanes arranged to stop a swirl motion induced by the swirl-generating element at a position after the injection of a treatment fluid (i.e. the flow straightener is arranged between the outlet of the injection device and the outlet for a treated fluid).
  • the present invention provides a fluid treatment system comprising at least one injection-mixing device according to an embodiment of the first aspect.
  • the fluid treatment system comprises an electrocoalescer arranged downstream the at least one injection-mixing device.
  • the fluid treatment system comprises a separator section downstream of, or fluidly connected to, the outlet of the main pipe of the at least one injection-mixing device.
  • the separator section is able to separate at least a part of the treated fluid from a treatment fluid, i.e. able to remove at least some of the treatment fluid which has been separated from the fluid to be treated due to the imposed centrifugal force.
  • the separator section may be used for separating one phase of the treated fluid from another phase of the same treated fluid.
  • the injected treatment fluid may enhance such separation of phases.
  • the separator section may separate (part of) the treatment fluid from the treated fluid and also part of the salt- containing water droplets that were already contained (dispersed) in the stream of fluid to be treated.
  • the fluid treatment system comprises two injection-mixing devices fluidly connected in series, optionally separated by a separator section able to separate a treated fluid from a treatment fluid.
  • the system may also comprise a further separator arranged downstream of the two injection-mixing devices.
  • the vanes are radially arranged between a section of the treatment fluid line and the inner surface of the main pipe.
  • a section of the treatment fluid line is an integrated part of the mixing assembly.
  • the present invention provides a method of mixing a first fluid and a second fluid, the method comprising the steps of: applying a centrifugal force to the first fluid by use of a swirl generating element, such that the first fluid obtains a swirl motion along the inner circumferential wall of a cylindrical vessel or pipe; injecting the second fluid downstream or upstream the swirl generating element, such that the second fluid is forced into contact with the first fluid by the centrifugal force.
  • the method comprises the step of providing an injection mixing device comprising an inlet for the first fluid, an outlet for a treated fluid and an inlet for the second fluid.
  • the second fluid has a higher or lower density than the first fluid. In one embodiment of the method, the second fluid has a higher density than the first fluid, and is injected at a center section of the cylindrical vessel or pipe.
  • the second fluid has a lower density than the frst fluid, and is injected at the circumferential wall of the cylindrical vessel or pipe.
  • the method comprises the step of: separating at least a part of a treated fluid from the second fluid, the treated fluid obtained from the first fluid after mixing with the second fluid.
  • the first fluid is a fluid to be treated and the second fluid is a treatment fluid.
  • the injection-mixing device may also be defined in that the inlet of the main pipe is for a treatment fluid and the treatment fluid line is for a fluid to be treated.
  • the term "swirl-generating element” is intended to define any element able to induce a radial swirl motion providing a centrifugal force to a fluid entering the inlet of the main pipe of the injection-mixing device.
  • the swirl-generating element comprises multiple vanes arranged to direct the fluid into a radial swirl motion, however the required centrifugal force may also be obtained by use of a tangential inlet, i.e. an inlet wherein the required centrifugal force or radial swirl motion is obtained by directing the fluid flow into a tangential relationship with a circular inner surface.
  • separation section is intended to define any element able to remove and separate at least a part of the second fluid from the first fluid and/or part of the treated fluid from the same treated fluid (e.g. oil-water removal, gas-liquid, etc.).
  • treatment section is intended to comprise devices such as electrostatic coalescers, heat exchangers etc.
  • Fig. l is a side view of an embodiment of an injection-mixing device according to the invention, wherein the injection device is a nozzle.
  • Fig. 2 is a side view of a further embodiment of an injection-mixing device according to the invention, wherein the injection device is a hollow cone in a porous or perforated material.
  • Fig. 3 is a side view of an embodiment of an injection-mixing device according to the invention, wherein the injection device is a hollow cone in a porous or perforated material, the injection device is arranged to provide a treatment fluid upstream of the mixing assembly.
  • Fig. 4 is a side view of a fluid treatment system comprising two injection-mixing devices arranged in series or alternatively an embodiment of an injection-mixing device comprising two swirl-generating elements.
  • Figs. 5-7 are side views of various fluid treatment systems according to the invention.
  • the present invention was motivated by the need to improve the efficiency and cost-effectiveness of injection-mixing system used in the crude oil desalting process in refineries, and the embodiments of the invention is consequently described in that context.
  • the disclosed injection-mixing device and fluid treatment system is equally advantageous in other processing applications involving injection of treatment fluids such as chemicals, solvents or extraction fluids for enhancing the effect of separation and processing equipment.
  • the most commonly injected treatment fluids includes
  • scavengers/irreversible solvents liquid for removal of sour constituents, such as e.g. H 2 S, Hg, thiols
  • corrosion inhibitors such as e.g. H 2 S, Hg, thiols
  • hydrate inhibitors such as e.g. H 2 S, Hg, thiols
  • scale inhibitors such as e.g., scale inhibitors, wax inhibitors, drag reducers, desalters, de-emulsifiers, deoilers, defoamers
  • antifoulants enhancing the coalescence rate of a dispersed phase
  • condensate/hydrocarbon extraction fluids
  • gas extraction or alleviation of slugging
  • water desalting or manipulation of the water cut of a multiphase flow mixture away from its critical value
  • the respective treatment fluids are introduced into the flow of a pipe via the injection-mixing device upstream of processing equipment, such as upstream of a separator section.
  • the flow i.e. the first fluid or fluid to be treated
  • the flow can be any multiphase mixture of gas and one or more liquids, a single gas or a combination of gases, any liquid or mixture of miscible liquid components or immiscible components such as hydrocarbon liquid and water.
  • the flow may for example be an unprocessed well stream, produced water, processed oil-water flow, processed gas flow, produced water contaminated with dispersed and dissolved hydrocarbon, processed water flow contaminated with hydrocarbon liquid, or water subject to gas component removal (e.g. de-oxygenation).
  • An injection-mixing device according to the invention is disclosed in fig. 1.
  • the device comprises a main pipe 1, a nozzle 2 (i.e. an injection device), a treatment fluid line 4 (i.e. a line for a second fluid or second fluid line) and a swirl-generating element 10.
  • the main pipe comprises an inlet 5 (or a first end) for a fluid to be treated (i.e. a first fluid) and an outlet 6 (or a second end) for a treated fluid.
  • the main pipe may advantageously comprise pipe flanges (not shown) at the inlet and the outlet for easy connection of the injection-mixing device to a pipe line.
  • the treatment fluid line is arranged through the wall of the main pipe in a radial direction and along the centerline of the main pipe.
  • the treatment fluid line is connected to an inlet 7 of the nozzle.
  • at least a section of the treatment fluid line constitutes an integral part of the swirl- generating element.
  • the outlet of the nozzle is arranged downstream of the swirl- generating element, but may in other embodiment be arranged upstream of the swirl-generating element and provide the same advantageous effect.
  • the swirl- generating element comprises a hollow cylindrical body providing a section of the treatment fluid line (or treatment fluid flow path) and vanes 3 arranged to induce a swirl motion to the fluid to be treated.
  • a fluid to be treated enters the inlet 5 of the main pipe.
  • a treatment fluid for instance freshwater for extracting salt present in the crude oil process stream
  • a treatment fluid for instance freshwater for extracting salt present in the crude oil process stream
  • the crude oil Upon passing the swirl-generating element, the crude oil obtains a swirl motion.
  • the swirl motion provides centrifugal force acting on the crude oil and the water, such that the water is mixed with the crude oil.
  • the mixture of water and crude oil may subsequently be separated by migration of a water phase to the inner circumference of the main pipe.
  • the induced swirl motion may provide a combined advantageous effect in some applications in that it both facilitates and improves an initial intimate mixing of the water (i.e. the treatment fluid, the second fluid) and the crude oil (i.e.
  • a subsequent separation is not always desired and may be easily avoided by for instance having a short fluid pathway after the injection of the treatment fluid and/or by arranging a flow straightener (e.g. vanes arranged to stop the swirl motion shortly after the injection of the treatment fluid).
  • a flow straightener e.g. vanes arranged to stop the swirl motion shortly after the injection of the treatment fluid.
  • the role of the injection-mixing device is to maximize contact between freshwater droplets and salt- containing droplets, and generate a water-in-oil emulsion that is as homogeneous as possible (ideally all droplets having the same size).
  • the emulsion created by the injection-mixing device should neither be too unstable (too large droplets) nor too stable (too small droplets). If droplets are too large they will be (partly) separated prior to reaching the electrostatic treatment (e.g. an InLine ElectroCoalescer plus settler and/or a conventional electrostatic coalescer). If the droplets are too small the emulsion will be too stable for the electrocoalescer/settler to work efficiently.
  • the electrostatic treatment e.g. an InLine ElectroCoalescer plus settler and/or a conventional electrostatic coalescer.
  • an injection-mixing device is shown in fig. 2.
  • the injection device is made up of a porous/perforated element 9 shaped as a hollow cone.
  • the treatment fluid is injected to the main pipe through the pores/perforations in the hollow cone.
  • the size and shape of the outlet(s) of the nozzle 2 or the pores/perforations of the porous/perforated element may be adjusted to provide a desired range of droplet sizes suitable for the intended use.
  • FIG. 3 A further embodiment of an injection-mixing device is shown in fig. 3.
  • the device is similar to the one shown in fig. 2, but the porous/perforated element 9 (i.e.
  • the swirl-generating element 3 is only schematically drawn, but may advantageously be similar to the one shown in figs. 1 and 2.
  • multiple injection- mixing devices may easily be arranged in series to improve the fluid treatment, e.g. by connecting the outlet 6 of a first injection-mixing device to the inlet 5 of a second injection-mixing device.
  • the first and second injection-mixing devices are connected by a first separator section 1 1 in which the treatment fluid is separated from the fluid to be treated (or the treated fluid).
  • the separator section comprises perforations 12, through which the treatment fluid is removed due to the centrifugal force imposed by the swirl-generating element 3a, and an outlet 13.
  • the outlet 13 may for instance be connected to any suitable vessel for storage, system for recycling the treatment fluid etc.
  • a second separator section may further be arranged after the swirl- generating element 3b of the second injection-mixing device.
  • the fluid to be treated may be subjected to multiple treatment regimes in series.
  • the treatment regimes may be identical, for instance being two steps of desalting, or they may be different, in that for instance the fluid to be treated may be chemically treated in the first injection-mixing device and dehydrated in the second injection- mixing device.
  • the injection-mixing system in fig. 4 may also be described as an injection-mixing device comprising two swirl-generating elements in series.
  • the injection-mixing device, or system, in fig. 5 comprises two swirl-generating elements, i.e. a first and a second swirl-generating element 3a, 3b, arranged in series.
  • the swirl-generating elements are connected by a cylindrical pipe element 14 arranged through the center of the swirl generating elements.
  • the second swirl generating element 3b comprises an end cone 15.
  • the cylindrical pipe element is connected to the treatment fluid line 4. Further, at least one of the cylindrical pipe element and the end cone is perforated, or made in a porous material, such that a treatment fluid may be injected into the main pipe and mixed with a fluid to be treated entering the inlet 5 of the main pipe 1.
  • the device/system in fig. 5 may also comprise optional separation sections 11a, l ib, as described for the system in fig. 4, each comprising perforations 12 and an outlet 13.
  • the separator sections are able to extract liquid which has coalesced on the inner surface of the main pipe 1.
  • the injection-mixing device, or system, in fig. 6 comprises a swirl-generating element 3 and an anti- swirl element 16 (or flow straightener).
  • the cylindrical pipe element is perforated, or made in a porous material, while the end cone 15 is fluid tight.
  • the treatment fluid may have a lower density than the fluid to be treated. In those cases it may be advantageous or in fact necessary to inject the treatment fluid at the inner wall of the main pipe 1, such that the centrifugal force will provide the desired mixing of the treatment fluid and the fluid to be treated.
  • An injection-mixing device, or system, suitable for the application of low-density treatment fluid is shown in fig. 7.
  • the treatment fluid is injected into the main pipe 1 via the outlets 8 of the radial injection device 17 arranged upstream the first swirl-generating element 3a. The applied centrifugal force will ensure that the treatment fluid will migrate from the inner wall of the main pipe towards the centerline of the main pipe, while the more dense fluid to be treated will migrate towards the inner wall of the main pipe.
  • the cylindrical pipe element is perforated and serves the same purpose as the separator sections 13 described above.
  • the two fluids are mixed and at least parts of the treatment fluid are subsequently extracted through the cylindrical pipe element and the extracted fluid line 18 (similar to the treatment fluid line 4 in figs. 5 and 6, but having different function).
  • the injection-mixing device may advantageously be used in any application wherein the mixing of a fluid to be treated with a treatment fluid is required. These applications include being arranged inside various processing equipment such as separators, used as a part of various processing systems, for instance arranged upstream, downstream or inside demisting cyclones, or hydrocyclones, inline equipment etc.
  • the swirl-generating element 3 may also comprise an active driven swirl element disclosed in application PCT/EP2016/052876, a hydrocy clone element and/or several swirl-generating elements in series or parallel.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)

Abstract

La présente invention concerne un dispositif de mélange par injection comprenant un tuyau principal (1) pour un premier fluide, un dispositif d'injection (2, 9, 17) et un élément de génération de tourbillon (10), le tuyau principal (1) comprenant une entrée (5) pour le premier fluide et une sortie (6) pour un fluide traité ; le dispositif d'injection (2) comprenant une entrée (7) et au moins une sortie (8) pour un second fluide, l'au moins une sortie (8) étant disposée dans le tuyau principal (1) ; et l'élément de génération de tourbillon (10) étant disposé de telle sorte qu'une force centrifuge est appliquée au premier fluide et au second fluide.
PCT/EP2016/059758 2016-05-02 2016-05-02 Dispositif de mélange par injection, système de traitement de fluide, et procédé de mélange d'un premier fluide et d'un second fluide WO2017190759A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/EP2016/059758 WO2017190759A1 (fr) 2016-05-02 2016-05-02 Dispositif de mélange par injection, système de traitement de fluide, et procédé de mélange d'un premier fluide et d'un second fluide

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2016/059758 WO2017190759A1 (fr) 2016-05-02 2016-05-02 Dispositif de mélange par injection, système de traitement de fluide, et procédé de mélange d'un premier fluide et d'un second fluide

Publications (1)

Publication Number Publication Date
WO2017190759A1 true WO2017190759A1 (fr) 2017-11-09

Family

ID=55953137

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2016/059758 WO2017190759A1 (fr) 2016-05-02 2016-05-02 Dispositif de mélange par injection, système de traitement de fluide, et procédé de mélange d'un premier fluide et d'un second fluide

Country Status (1)

Country Link
WO (1) WO2017190759A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3735317A4 (fr) * 2018-01-05 2021-10-13 Sabic Sk Nexlene Company Pte. Ltd. Système de mélange
US12006957B2 (en) * 2022-06-04 2024-06-11 Vortex Pipe Systems LLC Material flow amplifier

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1350202A (en) * 1918-07-05 1920-08-17 G A Buhl Company Liquid and gas contact apparatus
FR2384206A1 (fr) * 1977-03-16 1978-10-13 Suaton Michel Dispositif turbulateur pour bruleur a combustible liquide pulverise a haute pression
WO2003072226A2 (fr) 2001-12-21 2003-09-04 Statoil Asa Elimination de gaz acide
US20090034361A1 (en) * 2007-05-14 2009-02-05 Trang Duy K Systems and methods for mixing fluids
US20090073800A1 (en) * 2006-07-11 2009-03-19 Paradox Holding Company, Llc. Apparatus and Method for Mixing Fluids at the Surface for Subterranean Treatments
WO2014060048A1 (fr) * 2012-10-19 2014-04-24 Fmc Separation Systems, Bv Séparateur en ligne à deux étages
US20140190906A1 (en) * 2012-02-21 2014-07-10 Sanjeev Jakhete Centrifuge separator
US20150157991A1 (en) * 2013-12-11 2015-06-11 Caltec Limited Commingling device

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1350202A (en) * 1918-07-05 1920-08-17 G A Buhl Company Liquid and gas contact apparatus
FR2384206A1 (fr) * 1977-03-16 1978-10-13 Suaton Michel Dispositif turbulateur pour bruleur a combustible liquide pulverise a haute pression
WO2003072226A2 (fr) 2001-12-21 2003-09-04 Statoil Asa Elimination de gaz acide
US20090073800A1 (en) * 2006-07-11 2009-03-19 Paradox Holding Company, Llc. Apparatus and Method for Mixing Fluids at the Surface for Subterranean Treatments
US20090034361A1 (en) * 2007-05-14 2009-02-05 Trang Duy K Systems and methods for mixing fluids
US20140190906A1 (en) * 2012-02-21 2014-07-10 Sanjeev Jakhete Centrifuge separator
WO2014060048A1 (fr) * 2012-10-19 2014-04-24 Fmc Separation Systems, Bv Séparateur en ligne à deux étages
US20150157991A1 (en) * 2013-12-11 2015-06-11 Caltec Limited Commingling device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3735317A4 (fr) * 2018-01-05 2021-10-13 Sabic Sk Nexlene Company Pte. Ltd. Système de mélange
US12006957B2 (en) * 2022-06-04 2024-06-11 Vortex Pipe Systems LLC Material flow amplifier

Similar Documents

Publication Publication Date Title
US10513663B2 (en) Gas oil separation plant systems and methods for rag layer treatment
US11542444B2 (en) Desalting plant systems and methods for enhanced tight emulsion crude oil treatment
US9764252B2 (en) System and method to treat a multiphase stream
JP4913058B2 (ja) マルチ流体インジェクションミキサー
CA2494813C (fr) Coalescence electrostatique bifrequence
AU612673B2 (en) Liquid separator
US6872239B2 (en) Method and a system for separating a mixture
US9095790B2 (en) High velocity electrostatic coalescing oil/water separator
JP2010524666A (ja) 高速静電式合体油／水分離機
US20080035586A1 (en) Enhanced coalescer
CN108472557B (zh) 在浮式生产存储和卸载设施的原油储罐中使原油脱水的静电技术系统和方法
US11376524B2 (en) Crude oil demulsification
US11299682B2 (en) Systems and methods for crude oil desalting and dehydration in a single vessel
CN108463277B (zh) 具有用于在浮式生产存储和卸载设施的处理系中使原油脱水的静电内构件的原油储罐
US8981174B2 (en) Methods and systems for processing crude oil using cross-flow filtration
WO2017190759A1 (fr) Dispositif de mélange par injection, système de traitement de fluide, et procédé de mélange d'un premier fluide et d'un second fluide
US20070262033A1 (en) Method and apparatus to enhance separation performance of a lean and low mean size dispersed phase from a continuous phase
US20110042288A1 (en) Enhanced Coalescer
US20110042304A1 (en) Method And Apparatus To Enhance Separation Performance Of A Lean And Low Mean Size Dispersed Phase From A Continuous Phase
WO2017100949A1 (fr) Séparation d'eau et d'huile d'un flux de production
GB2559057A (en) System for processing interface emulsion, water and solids

Legal Events

Date Code Title Description
NENP Non-entry into the national phase

Ref country code: DE

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

Ref document number: 16721401

Country of ref document: EP

Kind code of ref document: A1

32PN Ep: public notification in the ep bulletin as address of the adressee cannot be established

Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC

122 Ep: pct application non-entry in european phase

Ref document number: 16721401

Country of ref document: EP

Kind code of ref document: A1