EP2189212B1 - Emulgatorsystem - Google Patents

Emulgatorsystem Download PDF

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Publication number
EP2189212B1
EP2189212B1 EP08360039A EP08360039A EP2189212B1 EP 2189212 B1 EP2189212 B1 EP 2189212B1 EP 08360039 A EP08360039 A EP 08360039A EP 08360039 A EP08360039 A EP 08360039A EP 2189212 B1 EP2189212 B1 EP 2189212B1
Authority
EP
European Patent Office
Prior art keywords
mixing pump
emulsifier
water
housing
partition board
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.)
Not-in-force
Application number
EP08360039A
Other languages
English (en)
French (fr)
Other versions
EP2189212A1 (de
Inventor
I-Fu Yang
Yung-Chuan Lin
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.)
Lin Yung-Chuan
YANG JO-LAN
Yang Pei-Lun
Original Assignee
Lin Yung-Chuan
YANG JO LAN
Yang Jo-Lan
YANG PEI LUN
Yang Pei-Lun
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 Lin Yung-Chuan, YANG JO LAN, Yang Jo-Lan, YANG PEI LUN, Yang Pei-Lun filed Critical Lin Yung-Chuan
Priority to DE602008004268T priority Critical patent/DE602008004268D1/de
Priority to AT08360039T priority patent/ATE493196T1/de
Priority to EP08360039A priority patent/EP2189212B1/de
Publication of EP2189212A1 publication Critical patent/EP2189212A1/de
Application granted granted Critical
Publication of EP2189212B1 publication Critical patent/EP2189212B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/232—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles
    • B01F23/2326—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles adding the flowing main component by suction means, e.g. using an ejector
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/232—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/237—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids characterised by the physical or chemical properties of gases or vapours introduced in the liquid media
    • B01F23/2373—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids characterised by the physical or chemical properties of gases or vapours introduced in the liquid media for obtaining fine bubbles, i.e. bubbles with a size below 100 µm
    • 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
    • B01F25/45—Mixers in which the materials to be mixed are pressed together through orifices or interstitial spaces, e.g. between beads
    • 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
    • B01F25/45—Mixers in which the materials to be mixed are pressed together through orifices or interstitial spaces, e.g. between beads
    • B01F25/452—Mixers in which the materials to be mixed are pressed together through orifices or interstitial spaces, e.g. between beads characterised by elements provided with orifices or interstitial spaces
    • B01F25/4521—Mixers in which the materials to be mixed are pressed together through orifices or interstitial spaces, e.g. between beads characterised by elements provided with orifices or interstitial spaces the components being pressed through orifices in elements, e.g. flat plates or cylinders, which obstruct the whole diameter of the tube
    • 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
    • B01F25/45—Mixers in which the materials to be mixed are pressed together through orifices or interstitial spaces, e.g. between beads
    • B01F25/452—Mixers in which the materials to be mixed are pressed together through orifices or interstitial spaces, e.g. between beads characterised by elements provided with orifices or interstitial spaces
    • B01F25/4521—Mixers in which the materials to be mixed are pressed together through orifices or interstitial spaces, e.g. between beads characterised by elements provided with orifices or interstitial spaces the components being pressed through orifices in elements, e.g. flat plates or cylinders, which obstruct the whole diameter of the tube
    • B01F25/45212—Mixers in which the materials to be mixed are pressed together through orifices or interstitial spaces, e.g. between beads characterised by elements provided with orifices or interstitial spaces the components being pressed through orifices in elements, e.g. flat plates or cylinders, which obstruct the whole diameter of the tube the elements comprising means for adjusting the orifices
    • 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
    • B01F25/60—Pump mixers, i.e. mixing within a pump
    • B01F25/64—Pump mixers, i.e. mixing within a pump of the centrifugal-pump type, i.e. turbo-mixers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/70—Mixers specially adapted for working at sub- or super-atmospheric pressure, e.g. combined with de-foaming
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
    • B01F2101/305—Treatment of water, waste water or sewage

Definitions

  • the present invention relates to the application of emulsification technology and more particularly, to an emulsifier system, which emulsifies a high pressure flow of mixed fluid and gas by means of a cavitation effect.
  • Micro air bubbles released from air dissolved water after relief of pressure are intensively and successfully used in water treatment and for other applications.
  • the smaller the size of air bubbles is the longer the retaining time of air bubbles in water and the greater the effect of air bubbles will be.
  • Emulsification occurs when the density of air bubbles in water reaches the peak.
  • the diameter of air bubbles must be reduced to a limited number of micrometers. Therefore, how to obtain air bubbles at a relatively smaller diameter and a relatively higher density is one important subject of pressure flotation.
  • Taiwan patent number TW245667 B published on 21.12.2005 discloses an "Ultra-fine air bubble generator", which uses a multi-stage pump to pump air into water for producing a mixed flow of air and water, enabling the mixed flow of air and water to be delivered to a pressure relief device to relieve pressure transiently, thereby producing ultra fine air bubbles.
  • Document JP 2006 198557 A discloses a redox potential water producing apparatus having a gas mixed in water through a mixer, the fluid pressure on the water being alternately rendered stronger and weaker.
  • Document WO 2007/013143 A discloses a mixed fluid uniformization device comprising a fixed holed plate and a movable holed plate mutually overlapped and in contact with each other and a drive cylinder for moving the movable holed plate relative to the fixed holed plate in the in-plane direction of the movable holed plate.
  • the inventor discovered that when a liquid is flowing in a region where the pressure of the liquid falls below its vapor pressure, vapor bubbles will be formed in the liquid. The vapor bubbles will soon collapse and release high energy. This phenomenon is called cavitation in fluid mechanics.
  • the inventor further discovered that when a liquid is flowing in a cavitation zone, micro air bubbles will be released from the liquid. Further, when cavitation bubbles collapse, contained air will be dissolved into fine bubbles, at the same time the high energy released due to collapse of cavitation bubbles will produce more air bubbles in the liquid, causing an emulsification effect.
  • an emulsifier system which utilizes the cavitation effect of fluid mechanics to spread air bubbles in water, causing formation of emulsification.
  • the pressure flow of mixed fluid and gas and a emulsifier connected to the mixing pump to receive the high pressure flow of mixed fluid and gas outputted by the mixing pump.
  • the emulsifier comprises a housing, a partition board mounted in the housing and dividing the housing into a front chamber and a rear chamber, the partition board comprising a plurality of narrow holes disposed in communication between the front chamber and the rear chamber for causing a cavitation effect to emulsify the high pressure flow of mixed fluid and gas when the high pressure flow of mixed fluid and gas is flowing into the emulsifier.
  • the mixing pump is a centrifugal pump comprising a housing, a pump shaft mounted in the housing, at least one impeller vane rotatable with the pump shaft relative to the housing, and at least one fixed vane affixed to the inside of the housing, the at least one impeller vane and the at least one fixed vane each comprising an outer wheel disk and a plurality of passages cut through the outer wheel disk for the passing of the high pressure flow of mixed fluid and gas axially.
  • the narrow holes of the emulsifier have a width smaller than 0.3mm so that the cavitation zone takes more than 20% of the cross sectional area of the narrow holes.
  • the emulsifier further comprises a gap adjustment plate mounted on one side of the partition board and movable relative to the partition board to regulate the passage of the narrow holes, the gap adjustment plate comprising a plurality of narrow holes corresponding to the narrow holes of the partition board.
  • an emulsifier system 10 comprises a water source 20, a mixing pump 30, a water intake regulator 40, an air intake regulator 50, a check valve 60, an emulsifier 70 and the necessary piping.
  • the water source 20 is connected with the mixing pump 30 through a first pipe 25 to supply water to the mixing pump 30.
  • a water filter 21 is installed in the water outlet of the water source 20 to remove solid matters from water being delivered to the mixing pump 30, avoiding blocking of the flow path in the system.
  • the water intake regulator 40 is installed in the first pipe 25 and adapted for regulating the flow rate of water being delivered from the water source 20 to the mixing pump 30.
  • the air intake regulator 50 is installed in a second pipe 45 and adapted for regulating the flow rate of air being supplied to the mixing pump 30 for mixing with water.
  • the second pipe 45 is connected to the first pipe 25 between the water intake regulator 40 and the mixing pump 30.
  • the mixing pump 30 is kept in water communication with the water source 20, and adapted for producing a low pressure at the water intake port to induce flowing of water from the water source 20 into the inside (housing) of the mixing pump 30 and to suck in air for mixing with the intake flow of water, so as to output a saturated mixed flow of air and water of pressure greater than 4.0kg/cm 2 .
  • the mixing pump 30 is a centrifugal type. Unlike conventional centrifugal pumps, comprising a pump shaft 31, an impeller van 33 rotatable with the pump shaft 31, and a fixed vane 34 affixed to the housing 32 of the centrifugal mixing pump 30.
  • the impeller van 33 has a plurality of passages 37 cut through the circular outer wheel disk 35 thereof.
  • the fixed vane 34 has also a plurality of passages 38 cut through the circular outer wheel disk 36 thereof for the passing of high pressure mixed fluid of air and water in the axial direction. This will be described further.
  • the passages 36 and 38 are circular passages.
  • the passages 36 and 38 are not limited to a circular shape. Alternatively, they can be made having an elongated profile.
  • the combination of the impeller van 33 and the fixed vane 34 can be duplicated to form a multi-step mixing pump for producing a saturated mixed flow of air and water of relatively higher pressure.
  • the check valve 60 is installed in the second pipe 45 between the first pipe 25 and the air intake regulator 50 to prohibit reverse flow of water from the first pipe 25 into the air intake regulator 50.
  • the check valve 60 and the air intake regulator 50 can be connected in parallel, forming a combination device.
  • the emulsifier 70 is connected to the mixing pump 30 through a third pipe 55.
  • the emulsifier 70 comprises a housing 71, and a partition board 72 mounted in the housing 71 and dividing the inside space of the housing 71 into a front chamber 73 and a rear chamber 74.
  • the partition board 72 has a plurality of narrow holes 75. These narrow holes 75 constitute an emulsification path for causing cavitation upon flowing of a flow of mixed fluid of air and water.
  • the narrow holes 75 have a width a below 0.3mm for obtaining a relatively higher proportion of cavitation zone so that the cavitation zone can be greater than 20% of the cross section of the narrow holes 75.
  • the mixing pump 30 is started to suck in water from the water source 20 through the first pipe 25 and at the same time, to suck in a proper amount of air from the air intake regulator 50 through the second pipe 45.
  • the impeller vane 33 enhances the pressure and speed of the intake flow of water and the intake flow of air, causing the intake flow of air to be dissolved in water, forming a high pressure saturated mixed flow of air and water.
  • the impeller vane 33 is moving the mixed flow of air and water toward the output port 39, the mixed flow of air and water flows axially through the passages 36 and 38 of the impeller van 33 and fixed vane 34.
  • the shear effect produced during rotation of the impeller vane 33 relative to the fixed vane 34 crushes the unevenly distributed air bubbles, causing air bubbles to be evenly distributed in water and shortening the dissolving time of air in water.
  • the third pipe 55 delivers the mixed flow of air and water to the front chamber 73 of the emulsifier 70.
  • the mixed flow of air and water is flowing through the narrow holes 75 of the emulsifier 70, it is emulsified subject to a cavitation effect, and the emulsified fluid thus produced flows out of the rear chamber 74 of the emulsifier 70 through a fourth pipe 65 to a water tank 80, or flows back to the water source 20.
  • FIG. 5 shows an alternate form of the emulsifier.
  • the emulsifier referenced by 70a, is substantially similar to the aforesaid emulsifier 70 shown in FIG. 4 with the exception that this alternate form has an additional gap adjustment plate 76.
  • the gap adjustment plate 76 is movably provided at one side of the partition board 72, having a plurality of narrow holes 77.
  • the narrow holes 77 are formed on the additional gap adjustment plate 76 corresponding to the narrow holes 75 on the partition plate 72.
  • the width of the narrow holes 75 and 77 can be several millimeters. When the narrow holes 75 and 77 are axially aligned, the narrow holes 75 are fully opened.
  • the gap adjustment plate 76 By means of moving the gap adjustment plate 76 relative to the partition board 72 to deviate the narrow holes 77 on the gap adjustment plate 76 from the narrow holes 75 on the partition board 72, the opening of the narrow holes 75 on the partition board 72 is adjusted, and therefore the passage gap b in between the front chamber 73 and the rear chamber 74 can be adjusted subject to different flow conditions. When the flow path of the system is blocked, the passage gap b can be adjusted to the maximum to discharge solid impurities.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Nanotechnology (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Claims (3)

  1. Emulgatorsystem (10), mit:
    einer Mischpumpe (30);
    einer Wasserquelle (20), die in Wasserverbindung mit besagter Mischpumpe (30) steht, zur Bereitstellung einer Flüssigkeit für die Mischpumpe (30);
    einem Wassereinlassregler (40), der in Verbindung mit besagter Mischpumpe (30) steht, um die Durchflussmenge der Flüssigkeit zu regulieren, die von der Wasserquelle (20) an die Mischpumpe (30) geliefert wird; und
    einem Lufteinlassregler (50), der in Verbindung mit besagter Mischpumpe (30) steht, um die Durchflussmenge eines Gases in die Mischpumpe (30) zu regulieren, zum Auflösen in der Flüssigkeit, die an die Mischpumpe (30) geliefert wird, um die Mischpumpe (30) zu befähigen, eine Hochdruckströmung des Gas-Flüssigkeits-Gemischs auszustoßen;
    in welchem ein Emulgator (70) mit der Mischpumpe (30) verbunden ist, um die Hochdruckströmung des Gas-Flüssigkeits-Gemischs zu empfangen, das von der Mischpumpe (30) ausgegeben wird, wobei der Emulgator (70) ein Gehäuse (71) aufweist, in das eine Trennwand (72) montiert ist, die das Gehäuse (71) in eine vordere Kammer (73) und eine hintere Kammer (74) unterteilt und eine Vielzahl von engen Bohrungen (75) aufweist, als Verbindung zwischen besagter vorderer Kammer (73) und der hinteren Kammer (74), um Hohlraumbildung zu verursachen, um die Hochdruckströmung des Gas-Flüssigkeits-Gemischs zu emulgieren, wenn diese in den Emulgator (70) strömt,
    gekennzeichnet dadurch, dass die Mischpumpe (30) eine Kreiselpumpe ist, mit einem Gehäuse (32), in das eine Pumpenwelle (31) montiert ist, mindestens einer Laufschaufel (33), die mit der Pumpenwelle (31) in bezug auf das Gehäuse (32) drehbar ist, und mindestens einer festen Schaufel (34), die in dem Gehäuse (32) befestigt ist, wobei die mindestens eine Laufschaufel (33) und die mindestens eine feste Schaufel (34) je eine äußere Radscheibe (35, 36) und eine Vielzahl von Durchgängen (37, 38) umfassen, die durch die äußere Radscheibe (35, 36) hindurchgehen, für den axialen Durchgang der Hochdrucksströmung des Gas-Flüssigkeits-Gemischs.
  2. Emulgatorsystem (10) nach Anspruch 1, gekennzeichnet dadurch, dass besagte enge Bohrungen (75) der Trennwand (72) eine Breite unter 0.3mm haben, so dass der Hohlraumbildungsbereich mehr als 20% der Querschnittsfläche der engen Bohrungen (75) einnimmt.
  3. Emulgatorsystem (10) nach Anspruch 1, gekennzeichnet dadurch, dass der Emulgator (70a) des weiteren eine Spalteinstellungsplatte (76) umfasst, die an einer Seite der Trennwand (72) montiert ist und beweglich in bezug auf die Trennwand (72) ist, um den Durchgang der engen Bohrungen (75) zu regeln, wobei die Spalteinstellungsplatte (76) eine Vielzahl von engen Bohrungen (77) umfasst, die den engen Bohrungen (75) der Trennwand (72) entsprechen.
EP08360039A 2008-11-25 2008-11-25 Emulgatorsystem Not-in-force EP2189212B1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE602008004268T DE602008004268D1 (de) 2008-11-25 2008-11-25 Emulgatorsystem
AT08360039T ATE493196T1 (de) 2008-11-25 2008-11-25 Emulgatorsystem
EP08360039A EP2189212B1 (de) 2008-11-25 2008-11-25 Emulgatorsystem

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP08360039A EP2189212B1 (de) 2008-11-25 2008-11-25 Emulgatorsystem

Publications (2)

Publication Number Publication Date
EP2189212A1 EP2189212A1 (de) 2010-05-26
EP2189212B1 true EP2189212B1 (de) 2010-12-29

Family

ID=40457357

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08360039A Not-in-force EP2189212B1 (de) 2008-11-25 2008-11-25 Emulgatorsystem

Country Status (3)

Country Link
EP (1) EP2189212B1 (de)
AT (1) ATE493196T1 (de)
DE (1) DE602008004268D1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2490057C2 (ru) * 2011-03-05 2013-08-20 Овченкова Оксана Анатольевна Способ осуществления физико-химических превращений жидкофазных сред
GB201817692D0 (en) * 2018-10-30 2018-12-19 Ge Healthcare Mixing device

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1494670A (fr) * 1966-09-29 1967-09-08 Basf Ag Dispositif pour diluer en continu des solutions de substances actives à haute viscosité
US5277048A (en) 1992-11-20 1994-01-11 Crs Holdings, Inc. Process and apparatus for treating the surface of an elongated, steel alloy form to facilitate cold working thereof
JPH0828718A (ja) * 1994-07-12 1996-02-02 Kubota Corp オリフィス弁
JP3058595B2 (ja) * 1996-07-26 2000-07-04 徹 工藤 気液混合装置
JP2000297864A (ja) * 1999-04-15 2000-10-24 Kubota Corp 多孔可変オリフィス弁
DE10340024B3 (de) * 2003-08-28 2005-04-14 Thomas Funk Vorrichtung zum Anreichern einer Flüssigkeit mit wenigstens einem Gas
JP4244214B2 (ja) 2005-01-21 2009-03-25 佐藤工業株式会社 酸化還元電位水製造装置
BRPI0520522B1 (pt) 2005-07-26 2016-07-26 Kawasaki Plant Systems Kk dispositivo misto para uniformizar um fluido .
LU91249B1 (de) * 2006-06-09 2007-12-10 Balda Solutions Deutschland Gm Verfahren und Vorrichtung f}r die Anreicherung einer Fl}ssigkeit mit einem Gas

Also Published As

Publication number Publication date
EP2189212A1 (de) 2010-05-26
DE602008004268D1 (de) 2011-02-10
ATE493196T1 (de) 2011-01-15

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