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EP3104950A1 - Dispositif et procédé de traitement d'un liquide contenant des gouttelettes d'huile - Google Patents

Dispositif et procédé de traitement d'un liquide contenant des gouttelettes d'huile

Info

Publication number
EP3104950A1
EP3104950A1 EP15708162.1A EP15708162A EP3104950A1 EP 3104950 A1 EP3104950 A1 EP 3104950A1 EP 15708162 A EP15708162 A EP 15708162A EP 3104950 A1 EP3104950 A1 EP 3104950A1
Authority
EP
European Patent Office
Prior art keywords
liquid
tank
supply line
oil
reaction device
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP15708162.1A
Other languages
German (de)
English (en)
Inventor
Manfred Baldauf
Werner Hartmann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens AG
Siemens Corp
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 Siemens AG, Siemens Corp filed Critical Siemens AG
Publication of EP3104950A1 publication Critical patent/EP3104950A1/fr
Withdrawn legal-status Critical Current

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
    • B01D17/06—Separation of liquids from each other by electricity
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/24—Treatment of water, waste water, or sewage by flotation
    • 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
    • C02F1/34—Treatment of water, waste water, or sewage with mechanical oscillations
    • C02F1/36—Treatment of water, waste water, or sewage with mechanical oscillations ultrasonic vibrations
    • 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
    • C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
    • 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
    • B01D21/28—Mechanical auxiliary equipment for acceleration of sedimentation, e.g. by vibrators or the like
    • B01D21/283—Settling tanks provided with vibrators
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/30—Organic compounds
    • C02F2101/32—Hydrocarbons, e.g. oil
    • 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
    • C02F2103/10—Nature of the water, waste water, sewage or sludge to be treated from quarries or from mining activities
    • 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
    • C02F2103/34—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
    • C02F2103/36—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from the manufacture of organic compounds
    • C02F2103/365—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from the manufacture of organic compounds from petrochemical industry (e.g. refineries)

Definitions

  • the invention relates to a device for the treatment of a liquid containing oil droplets, comprising at least one supply line leading the liquid, and a reaction ⁇ device comprising at least one ultrasonic transducer for forming a standing ultrasonic wave in the flowing liquid to form larger oil drops.
  • Solid particles in particular also contains oil droplets. These contaminants must be removed before the water is returned to the environment. While there are sufficient technical approaches to remove the suspended solid particles, such as by sedimentation, by hydrocyclones or centrifuges, in particular the small oil droplets with diameters of 20 microns and less pose a problem. It comes to emulsion formation, so that these small Oltröpfchen due The extremely fine distribution in the liquid can be difficult to separate.
  • the use of filters is very expensive, in particular, only a semi-continuous operation is possible because the filters are often cleaned.
  • One way to bind the fine oil droplets in the form of larger drops of oil provides for the use of a reaction device comprising at least one ultrasonic transducer.
  • This ultrasonic transducers respectively in the reaction apparatus an ultrasonic standing wave sufficient intensity is generated that should he ⁇ grasp the entire flow cross section.
  • Akustophoretician forces within this Ult ⁇ raschallfeldes cause a drift of the emulsified Oltröpf ⁇ chen to the vibration nodes, respectively, correspond to nending node levels of the standing wave pattern.
  • the fine droplets of oil can coagulate, so that larger oil drops form, which can be separated with already known technical methods.
  • the ultrasonic transducer is at frequencies of typically
  • a reflector or a second ultrasonic transducer operating in phase with the first ultrasonic transducer is associated with the ultrasonic transducer in order to generate a sufficiently intense wave pattern.
  • a large number of such ultrasonic transducers is provided in the manner of an array, so that a corresponding amount of accumulating water can be treated. It is known to build in the reaction apparatus, respectively the UI ⁇ traschallwandler directly quasi in-line in a water line, and corresponding fluid flow dividing tube devices are provided in array-like arrangement to supply the water to the individual transducers, and thus the separate wavefields.
  • the supply extends from a narrower diameter to a larger diameter, in which area the reaction device is provided with the plurality of ultrasonic transducers and the corresponding power split, after which the pipe again tapers to continue the treated water with the larger oil drops.
  • the invention is therefore based on the problem to provide a device which is improved in contrast and in which a safe oil separation without risk of clogging is possible.
  • the Re ⁇ action device either at the end of the supply line in the transition to a liquid including the oil droplets receiving tank or directly in the tank, the end of the supply line is arranged ,
  • the reaction apparatus is not used in-line in a pipeline, but is UNMIT ⁇ telbar in the region of the transition of a lead in a phase separation of oil / carrier fluid (eg water) serving tank.
  • the reaction apparatus may be either at the end of the supply line and directly in the transition be disposed adjacent to the tank or to the, or already in the tank, so that UNMIT ⁇ telbar the end of the feed line following.
  • the tank then inevitably leads to a corresponding separation of the oil droplets from the carrier liquid, for example se water by the oil droplets float on the water surface and form there an oil film that can be deposited with a corresponding separator.
  • the water purified in this way in the tank can then be taken out of the tank via a suitable discharge line and either further treated or fed to the environment.
  • a line wall side adhesion of an oil film with the adverse consequences, namely the slow clogging or detachment of large oil agglomerates respectively an impairment of the fluid flow and thus the cleaning performance and the need for a cleaning of the system is no longer given in the inventive device with particular advantage.
  • the reaction device respectively the ultrasonic transducer and thus the ultrasonic field is as described no downstream of the fluid flow impairing pipeline, but rather the treatment liquid pours directly into the Tankvolu ⁇ men.
  • reaction ⁇ device has an array of individual line sections, each with an ultrasonic transducer.
  • the z. B. paralle ⁇ len line sections are dimensioned so that they cause only a current distribution directly in the ultrasonic transducer, so that form in the respective line sections dedicated standing wave fields through which flows a defined volume of liquid. They are therefore essentially provided only in the area of the corresponding fields, and do not extend in the direction of the tank. A certain extent in the direction of the supply line is of course possible, since in this area only the finely emulsified oil droplets are present and there is no formation of oil film.
  • the supply line can open at different positions of the tank.
  • the supply line can open at the bottom of the tank.
  • the reaction device may be installed directly in front of the tank, so that the treated, the oil drops having water with the relying ⁇ sen of the reaction apparatus, respectively, of the ultrasonic field directly into the tank pours. If the reaction device is located in the tank, it is immediately downstream of the bottom-side supply line.
  • the supply line to a side wall of the tank, depending on the embodiment, the reaction onsvoriques either supply side immediately before the mouth in the tank or tank, immediately following the supply line is arranged.
  • the supply line opens, it is of course also possible to have several supply lines, which are associated with corresponding reaction devices, open in parallel in the tank.
  • the device is further characterized by a separating device for separating the floating in the tank on the surface of the liquid oil, in particular in the form of a skimmer.
  • a separating device for separating the floating in the tank on the surface of the liquid oil, in particular in the form of a skimmer.
  • the superficially accumulating oil can be easily separated and thus the water to be cleaned.
  • the invention further relates to a method for treating a liquid containing oil droplets using a device of the type described, wherein the liquid is supplied via the supply line of the reaction ⁇ device in which the liquid at least a standing ultrasonic wave happens during which the oil droplets combine to form larger oil droplets, the liquid together with the oil droplets flowing from the reaction device directly into the tank where the oil droplets surface float and are separated from the liquid by means of a separator.
  • the direct inflow of the liquid from the reaction device into the tank avoids the risk of clogging of the reaction device due to oil film formation.
  • the liquid stream can be divided into a plurality of individual streams via line sections, wherein at least one ultrasonic transducer is arranged in each line section, so that each storm passes through a separate stationary ultrasonic wave.
  • the ultrasonic transducers ⁇ upstream such as honeycomb Stromaufteiler Modell the throughput can significantly increased and thus the cleaning performance significantly.
  • a separation device is preferably as described
  • FIG. 2 shows an enlarged detail view of the area II in FIG.
  • FIG. 3 shows an enlarged detail view of the area III in FIG.
  • Apparatus of a second embodiment. 1 shows an inventive device 1 for treatmen ⁇ development of an oil droplet-containing liquid 2 which is supplied via a supply line. 3
  • a reaction device 4 is arranged, which passes directly into a tank 5.
  • the liquid 2 flows to the reaction ⁇ onsvoriques 4 and is treated in this ultrasonic wave fields, formed from separate standing ultrasonic waves, for the agglomeration of fine oil droplets.
  • the treated liquid flows from the outlet of the reaction device 4 directly into the tank 5.
  • the larger agglomerated oil drops contained in the treated liquid float in the treated liquid, so that an oil film 6 on the quasi oil-free, purified liquid 7 abschei ⁇ det.
  • the oil film 6 can be separated with a suitable separator 8, for example a skimmer 9.
  • the ge ⁇ purified liquid 7 is withdrawn via a discharge line 10 from the tank. 5
  • FIG. 2 shows an enlarged detail view of the region II from FIG. 1. Shown is a section through the reaction device 4 in the form of a schematic representation. This comprises a flow divider 11 which is in the form of a multiplicity of individual line sections 12 which divide the liquid flow.
  • the individual line sections 12 may be formed, for example, by a plurality of individual, in cross section, for example, four-, six- or octagonal short pipe sections, which are assembled into a kind of honeycomb structure.
  • at least one ultrasonic transducer 13 is arranged, in the embodiment shown at an opposite
  • the contaminated liquid 2 comprises, on the one hand, the carrier liquid, which is deposited as purified liquid 7 in the tank, and fine oil droplets 17 emulsified in the carrier liquid.
  • the fine oil droplets 17 are subjected to acoustophoretic forces, which are the transport fine ultrasonic droplets 17 to the vibration node planes 16, as shown in principle in FIG. This means that in the vibration node planes 16 the
  • the oil drops 18 formed are also discharged again. Due to the arrangement of the reaction device 4 directly in the transition to the tank 5, therefore, the ultrasonic drops 18, if they leave the respective ultrasonic field 15, directly and directly into the volume of the tank 5, without them still by a reaction device 4 downstream pipeline or the like stream. They are therefore distributed inside the tank 5 and float superficially, where they form the oil film 6. That is, the oil drops 18 are, if at all, only for a very short time in a geometrically circumscribed tube volume, namely, when they are within their formation in the reaction device 4.
  • FIGS. 2 and 3 show a pair of reactors consisting of ultrasound transducer 13 and reflector 14
  • a pair of reactors consisting of ultrasound transducer 13 and reflector 14 is provided in FIGS. 2 and 3
  • two ultrasonic transducers 13 could be provided opposite each other, which operate in phase, so that the intensity of the ge ⁇ formed wave can be significantly increased.
  • 4 shows a further embodiment of an inventive ⁇ SEN device 1, the same reference signs ⁇ are provided for the same components.
  • the supply line 3 transporting the contaminated liquid 2 does not open at the bottom of the tank, as in the above-described embodiment, but at a side wall of the tank 5.
  • a reaction device 4 Provided again is a reaction device 4, but here immediately following the end of the supply line 3 is arranged inside the tank 5.
  • the operating principle is as ⁇ derum the same.
  • the oil droplets 18 are formed in the same manner as with respect to Figures 2 and 3 in the reaction device 4 while flowing through the same with the contaminated liquid 2.
  • the individual reactors ie the ultrasonic transducers or the reactor pairs, that is to say the converter / reactor pair or the converter / converter pair, do not have the fluid flow downstream or constricting piping or the like downstream.
  • the reaction apparatus 4 it is possible to set, in the case of the off ⁇ design according to FIG 1, the reaction apparatus 4 to the interior of the tank 5, downstream of immediacy ⁇ bar the end of the feed line 3, as in the embodiment of Figure 4 is the possibility of the reaction apparatus 4 similarly to FIG. 1, to be arranged at the end of the supply line 3 in the immediate transition to the tank 5.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)

Abstract

L'invention concerne un dispositif, servant à traiter un liquide contenant des gouttelettes d'huile, qui comprend une conduite d'amenée du liquide et un dispositif réactionnel comprenant au moins un transducteur d'ultrasons destiné à générer une onde ultrasonore stationnaire dans le flux de liquide afin de former des gouttes d'huile de plus grande taille. Le dispositif réactionnel (4) est disposé soit à l'extrémité de la conduite d'amenée (3) dans la transition vers une cuve (5) qui reçoit le liquide (7) avec les gouttes d'huile (18), soit dans la cuve (5) à la suite de l'extrémité de la conduite d'amenée (3).
EP15708162.1A 2014-03-13 2015-02-26 Dispositif et procédé de traitement d'un liquide contenant des gouttelettes d'huile Withdrawn EP3104950A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014204645.9A DE102014204645A1 (de) 2014-03-13 2014-03-13 Vorrichtung zur Behandlung einer Öltröpfchen enthaltenden Flüssigkeit
PCT/EP2015/054058 WO2015135764A1 (fr) 2014-03-13 2015-02-26 Dispositif et procédé de traitement d'un liquide contenant des gouttelettes d'huile

Publications (1)

Publication Number Publication Date
EP3104950A1 true EP3104950A1 (fr) 2016-12-21

Family

ID=52629549

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15708162.1A Withdrawn EP3104950A1 (fr) 2014-03-13 2015-02-26 Dispositif et procédé de traitement d'un liquide contenant des gouttelettes d'huile

Country Status (3)

Country Link
EP (1) EP3104950A1 (fr)
DE (1) DE102014204645A1 (fr)
WO (1) WO2015135764A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2017443673B2 (en) * 2017-12-18 2023-09-28 Halliburton Energy Services, Inc. Filtering skimmers and beaches for use in water separation and treatment

Family Cites Families (12)

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Publication number Priority date Publication date Assignee Title
AT389235B (de) * 1987-05-19 1989-11-10 Stuckart Wolfgang Verfahren zur reinigung von fluessigkeiten mittels ultraschall und vorrichtungen zur durchfuehrung dieses verfahrens
EP0458015A1 (fr) * 1990-05-24 1991-11-27 Winkelhorst Trenntechnik Gmbh Procédé pour le traitement d'émulsions lubrifiantes réfrigérantes contaminées avec des huiles étrangères
AU2003251129A1 (en) * 2002-07-04 2004-01-23 Accentus Plc Seperation of oil from sand
JP4735537B2 (ja) * 2004-02-24 2011-07-27 旭硝子株式会社 水切り方法
US20080011693A1 (en) * 2006-07-12 2008-01-17 Ming Li Self-cleaning waste-water device and method
US8721898B2 (en) * 2007-08-02 2014-05-13 Ecosphere Technologies, Inc. Reactor tank
US8691145B2 (en) * 2009-11-16 2014-04-08 Flodesign Sonics, Inc. Ultrasound and acoustophoresis for water purification
KR20130103315A (ko) * 2010-04-12 2013-09-23 프로디자인 소닉스, 인크. 물을 생성하기 위한 적용을 갖는 오일 및 물 분리를 위한 초음파 및 음향영동 기술
US9421553B2 (en) * 2010-08-23 2016-08-23 Flodesign Sonics, Inc. High-volume fast separation of multi-phase components in fluid suspensions
US9458450B2 (en) * 2012-03-15 2016-10-04 Flodesign Sonics, Inc. Acoustophoretic separation technology using multi-dimensional standing waves
US10040011B2 (en) * 2012-03-15 2018-08-07 Flodesign Sonics, Inc. Acoustophoretic multi-component separation technology platform
WO2013159058A2 (fr) * 2012-04-20 2013-10-24 Flodesign Sonics Inc. Utilisation de l'acoustophorèse pour améliorer un système utilisable dans les bassins

Non-Patent Citations (2)

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Title
None *
See also references of WO2015135764A1 *

Also Published As

Publication number Publication date
DE102014204645A1 (de) 2015-09-17
WO2015135764A1 (fr) 2015-09-17

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