EP2796188B1 - Système pour mélanger un additif avec un liquide - Google Patents

Système pour mélanger un additif avec un liquide Download PDF

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Publication number
EP2796188B1
EP2796188B1 EP13165342.0A EP13165342A EP2796188B1 EP 2796188 B1 EP2796188 B1 EP 2796188B1 EP 13165342 A EP13165342 A EP 13165342A EP 2796188 B1 EP2796188 B1 EP 2796188B1
Authority
EP
European Patent Office
Prior art keywords
bubbling
module
liquid
channel
dispersion
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
EP13165342.0A
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German (de)
English (en)
Other versions
EP2796188A1 (fr
Inventor
Mikael Seppälä
Juhani Pylkkänen
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.)
Sansox Oy
Original Assignee
Sansox Oy
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Publication date
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Priority to EP13165342.0A priority Critical patent/EP2796188B1/fr
Priority to PCT/FI2014/050298 priority patent/WO2014174154A1/fr
Publication of EP2796188A1 publication Critical patent/EP2796188A1/fr
Application granted granted Critical
Publication of EP2796188B1 publication Critical patent/EP2796188B1/fr
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Anticipated expiration legal-status Critical

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    • 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
    • B01F25/4315—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor the baffles being deformed flat pieces of material
    • 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
    • B01F23/2323—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 by circulating the flow in guiding constructions or conduits
    • 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
    • B01F25/103—Mixing by creating a vortex flow, e.g. by tangential introduction of flow components with additional mixing means other than vortex mixers, e.g. the vortex chamber being positioned in another mixing chamber
    • 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
    • B01F25/312—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof
    • B01F25/3123—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof with two or more Venturi elements
    • B01F25/31232—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof with two or more Venturi elements 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
    • B01F25/3131—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
    • B01F25/32—Injector mixers wherein the additional components are added in a by-pass of the main flow
    • 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
    • B01F25/431971—Mounted on the wall
    • 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
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/56—General build-up of the mixers
    • B01F35/561—General build-up of the mixers the mixer being built-up from a plurality of modules or stacked plates comprising complete or partial elements of the mixer
    • 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 invention relates to an apparatus for mixing additive with liquid.
  • Need for mixing one or more additive(s) with liquid may emerge for various reasons. Usually this need relates to dissolving of air in water, e.g. aerating lakes etc. natural water basins, or with effluent or sewage water treatment. It is known great number of methods and apparatuses for said purposes. Nevertheless, there are still need for more effective and less power consuming method and apparatus for said purpose.
  • Document US-A-20120204541 discloses an apparatus suitable for mixing additive with liquid, the apparatus comprising a vortex channel suitable for receiving liquid entering the apparatus, the vortex channel comprising at least one vane arranged to guide the liquid, the guide vane arranged divergently to the longitudinal axis for creating a main vortex in the liquid, a dispersion channel arranged downstream to the vortex channel, the dispersion channel comprising at least one vane arranged divergently the longitudinal axis, an ejector module suitable for feeding an additive.
  • an apparatus for mixing one or more additive(s) with liquid comprising a vortex channel for receiving liquid entering the apparatus, the vortex channel comprising at least one guide vane arranged to guide the liquid, the guide vane arranged divergently to the longitudinal axis of the vortex channel for creating a main vortex in the liquid, a dispersion channel arranged downstream to the vortex channel, the dispersion channel comprising at least one dispersion vane arranged divergently the longitudinal axis, the dispersion vane comprising plurality of mini blades arranged perpendicular or at least essentially perpendicular to the longitudinal axis of the dispersion channel, a bubbling module arranged downstream to the dispersion channel, the bubbling module comprising at least one perforated bubbling wall through which the liquid is arranged to flow, and an ejector module for feeding additive into said liquid, the ejector module being arranged upstream of the bubbling module.
  • the apparatus is characterised by what is stated in claim 1. Some other embodiments are characterised by what is stated in the other claims. Inventive embodiments are also disclosed in the specification and drawings of this patent application.
  • the inventive content of the patent application may also be defined in other ways than defined in the following claims.
  • the inventive content may also be formed of several separate inventions, especially if the invention is examined in the light of expressed or implicit sub-tasks or in view of obtained benefits or benefit groups. Some of the definitions contained in the following claims may then be unnecessary in view of the separate inventive ideas.
  • Features of the different embodiments of the invention may, within the scope of the basic inventive idea, be applied to other embodiments.
  • the bubbling module is an impulse energy bubbling module, wherein the perforated bubbling wall is arranged in a form of an inner cone tapering preferably in direction opposite to flowing direction of the liquid.
  • the perforated bubbling wall is arranged in a form of an inner cone tapering preferably in direction opposite to flowing direction of the liquid.
  • the bubbling module is a fine bubbling tube, the perforated bubbling wall of which being arranged in a form of a cylinder, the longitudinal axis of the cylinder being arranged preferably concurrent with the longitudinal axis of the fine bubbling tube.
  • the rotational direction of the dispersion vane is directed oppositely in comparison with the rotational direction of the guide vane. Thereby an intensified mixing and diffusion may be achieved.
  • Figure 1 is a schematic side view of an example apparatus arranged in a bypass 7 of a pipeline 6.
  • the pipeline 6 may be a part of an apparatus for processing or handling liquid L.
  • Liquid L may be water, e.g. process water or waste water of an industrial process, municipal waste water, waterworks water, water of agricultural activities, municipal or other drainage water, natural water from natural water basins etc.
  • the liquid L may be any viscose material that is needed to aerate or disperse with air, oxygen, ozone or any other disperse agent.
  • the flowing direction D of liquid is shown by arrows.
  • the main components of the apparatus 1 comprise a vortex channel 2, an ejector module 3, a dispersion channel 4, and a bubbling module 5.
  • the vortex channel 2 is arranged to receive liquid L entering the apparatus 1.
  • the structure and features of the vortex channel 2 are discussed more detailed later in this description, in connection with Figure 3 .
  • the ejector module 3 comprises means for feeding additive A into liquid L.
  • the additive A may comprise gas, liquid and/or solid material, e.g. in particle or powder form.
  • Said gas may comprise, for instance, oxygen, nitrogen, ozone, hydrogen, carbon oxide, carbon dioxide, hydrochloric acid etc.
  • the gas may also comprise one or more dispersing agent(s) with or without surfactants, or a mixture of two or more gases, such as air.
  • the dispersing agent(s) may be material for preventing formation of bio-fouling or biofilms in e.g. waste water treatment or industrial processes. According to an embodiment the dispersing agent disperses bacterial slime and/or increase the efficiency of biocides.
  • the dispersion channel 4 is arranged downstream to the vortex channel 2 and upstream to the ejector module 3.
  • the dispersion channel 4 comprises at least one liquid guide. The structure and features of the dispersion channel 4 are discussed more detailed later in this description, in connection with Figures 6a - 6c .
  • the bubbling module 5 is arranged downstream to the vortex channel 2, the ejector module 3 and the dispersion channel 4.
  • the bubbling module 5 comprises at least one perforated bubbling wall through which the liquid L is arranged to flow.
  • the structure and features of the bubbling module 5 are discussed more detailed later in this description, in connection with Figures 7 , 8a and 8b .
  • the ejector module 3 is arranged between the dispersion channel 4 and the bubbling module 5. It is to be noted, however, that other orders of said components are also possible.
  • the apparatus 1 may comprise one or more valve(s) 8a, 8b, and 8c. It is possible to control the flow of liquid L by said valves.
  • One may, for instance, close first valve 8a completely and open second and third valves 8b, 8c, thereby leading all liquid L to flow through the bypass 7 and the apparatus 1.
  • one may close second or third valve 8b, 8c, thereby prohibiting liquid L to flow through the apparatus 1, etc.
  • Figure 2 is a schematic side view of another example apparatus arranged in a pipeline.
  • This apparatus 1 is arranged in a pipeline 6 like the apparatus shown in Figure 1 .
  • the main difference compared to the apparatus of Figure 1 is that the apparatus of Figure 2 is arranged in two bypasses 7a, 7b of the pipeline 6.
  • bypasses 7a, 7b are juxtaposed and liquid L entering the apparatus may be divided to flow either one or both of the bypasses 7a, 7b by controlling valves 8a - 8e. It is also possible, of course, to prevent any liquid L entering the bypasses 7a, 7b by closing completely valves 8b and 8d.
  • the ejector module 3a, 3b is fitted between the vortex channel 2a, 2b and the dispersion channel 4a, 4b, respectively.
  • the configuration of the apparatus 1 may be customized according to the demands of the application.
  • the modules and channels may be arranged in various orders and their numbers in the apparatus may also vary.
  • the bubbling module 5a, 5b is arranged downstream to the dispersion channel 4a, 4b, respectively.
  • the modules, channels and further elements constituting the first bypass 7a may be identical with the modules, channels and further elements constituting the second bypass 7b.
  • the bypasses 7a, 7b are identical.
  • the first bypass 7a has at least one module, channel or further element that is different form the second bypass 7b.
  • Said difference(s) may exist in, for instance, the vortex channel 2a, 2b, the ejector module 3a, 3b, the dispersion channel 4a, 4b and/or the bubbling module 5a, 5b.
  • This kind of solution allows realizing alternative processing steps of liquid L in the apparatus 1.
  • the first ejector module 3a comprises means for feeding liquid chemicals into liquid L
  • the second ejector module 3b comprises means for feeding air into liquid L.
  • the first bubbling module 5a is an impulse energy bubbling module
  • the second bubbling module 5b is a fine bubbling tube.
  • the structure and features of the impulse energy bubbling module and the fine bubbling tube are discussed more detailed later in this description.
  • the number of the bypasses may be more than two.
  • FIG 3 is a schematic side view of a detail of an example apparatus in partial cross-section.
  • the vortex channel 2 is basically a pipe the longitudinal axis of which is shown by reference symbol X.
  • the cross-section of the inner surface or a flow directing wall 11 of the vortex channel 2 may be circular, oval, polygonal etc.
  • Liquid L is arranged to enter to the vortex channel 2 in direction shown by an arrow L.
  • the vortex channel 2 comprises at least one guide vane 14 arranged to guide liquid L.
  • At least the trailing edge of the guide vane 14 is arranged divergently making thus a flow directing angle ⁇ to the longitudinal axis X of the vortex channel 2.
  • the flow directing angle ⁇ may be e.g. 5° - 45° depending on the flow velocity.
  • the flow rate of liquid L and flow directing angle ⁇ may be linked to each other by a principle according to which the lower the flow rate the bigger the flow directing angle ⁇ .
  • the flow directing angle ⁇ is preferably chosen so that turbulent flows are eluded and losses minimized.
  • the leading edge of the guide vane 14 may be parallel with the longitudinal axis X of the vortex channel 2, and the guide vane 14 turning gradually from parallel or 0° angle to the flow directing angle ⁇ .
  • liquid L is caused to flow in a rotational manner in a main vortex V.
  • the guide vane(s) 14 are fastened in a vortex cartridge 10.
  • the vortex cartridge 10 comprises a wall constituting the flow directing wall 11 and a flange 15 which positions the cartridge 10 inside the vortex channel 2.
  • the vortex cartridge 10 is attached in a detachable way to the vortex channel 2.
  • the guide vane(s) 14 can be removed from and replaced by new ones quickly.
  • the cartridge 10 makes it easier to change and decontaminate the guide vanes 14, thus preventing of growth of bacterial strains can be effectively realized.
  • the embodiment of the vortex channel 2 shown in Figure 3 is one and the same element with an ejector module 3. Said ejector module 3 is arranged downstream to the vortex channel 2. It is to be underlined, however, that the vortex channel 2 the ejector module 3 may be separate elements, e.g. as shown in Figures 1 and 2 .
  • the ejector module 3 comprises at least one ejector conduit 12.
  • the number of ejector conduits may be e.g. 1 - 10.
  • Multiple ejector conduits 12 are preferably arranged circumferentially in the flow directing wall 11.
  • the ejector conduits 12 are arranged to feed one or more additive(s) A into liquid L.
  • the suction effect of liquid L passing the ejector conduit may be the only force that forces the additive A into liquid L. This is a very simple and inexpensive feeding system.
  • the angle ⁇ 2 of the ejector conduits 12 is then preferably same or essentially same with the flow directing angle ⁇ . It is to be noted, however, that the angle ⁇ 2 can also be chosen so that it is essentially different as the flow directing angle ⁇ .
  • the additive A is pressurized in order to intensify flow of the additive into liquid L.
  • the shape, length, number, placing, dimensions etc. of the ejector conduit 12 may vary.
  • the ejector conduit 12 may be just an opening in the flow directing wall 11.
  • one or more guide vane(s) 14 may extent to past and upstream the ejector conduits 12.
  • Length L 2+3 of the vortex channel 2 and the ejector module 3 is preferably 2xD - 5xD, wherein D corresponds to inner diameter of the vortex channel 2.
  • Length L 2 of the vortex channel 2 is preferably 0.5x L 2+3 to 0.7x L 2+3 .
  • Figure 4 is a schematic side view of another ejector module of an example apparatus in partial cross-section.
  • the features of the ejector module 3 are essentially similar as in the ejector module shown in Figure 3 , except that the ejector module 3 is now separate from the vortex channel 2.
  • the length L 3 of ejector module is preferably equal to the inner diameter D of the module.
  • the distance L 12 from the upstream end of the module to the ejector conduits 12 is preferably 0.3xD.
  • FIG 5 is a schematic side view of third ejector module of an example apparatus in partial cross-section.
  • This ejector module 3 is especially meant to feeding of gaseous additives G to liquid L. Also additives in powder and/or liquid form may be fed by the ejector module 3 shown in Figure 5 .
  • the ejector conduits 3 have been connected to a distributor chamber 13 that surrounds the ejector module 3.
  • the distributor chamber 13 distributes gas G fed therein evenly in the ejector conduits 12 and to liquid L.
  • Figure 6a is a schematic side view of a dispersion channel of an example apparatus in partial cross-section
  • Figure 6b is a schematic perspective view of the dispersion channel shown in Figure 6a in partial cross-section
  • Figure 6c is a schematic end view of the dispersion channel shown in Figure 6a in partial cross-section.
  • the dispersion channel 4 comprises a tube 16 having open ends. Liquid enters the dispersion channel 4 in one end as shown by an arrow L and leaves the dispersion channel through opposite end.
  • the length L 4 of the dispersion channel is preferably 2xD - 5xD.
  • dispersion vane 18 Inside the tube 16 there is arranged at least one dispersion vane 18.
  • the dispersion channel 4 comprises a dispersion cartridge 17 that comprises a wall constituting the flow directing wall 11 and a flange which positions the cartridge 17 inside the dispersion channel 4.
  • the cartridge 17 makes it easier to change and decontaminate the dispersion vanes 18, thus preventing of growth of bacterial strains can be effectively realized.
  • the dispersion vane 18 is arranged divergently the longitudinal axis X in a twisting or turning way in the tube 16, as best shown in Figure 6b .
  • the dispersion vane 18 is arranged twisting or turning in opposite direction in comparison with the guide vanes 14 in the vortex channel 2 of the apparatus.
  • oppositely rotating vortexes which intensifies the mixing of liquid.
  • the oppositely rotating vortexes may remain alive or continuous in a tubular way, which may intensify the efficiency of the diffusion especially in case of contaminated liquid, e.g. waste water.
  • the dispersion vane 18 comprises a great number of mini blades 19 in its edge closest to the longitudinal axis X.
  • the mini blades 19 are arranged perpendicular or at least essentially perpendicular to the longitudinal axis X.
  • At least some, but preferably all, of the mini blades 19 are turned in opposite direction relative to the turning direction of said dispersion vane 18.
  • the turning angle of the end of each of the mini blade 19 is preferably same and in range of 5° - 40°.
  • the width of the mini blade 19 may be e.g. 2 - 100 mm.
  • the flow directing angle ⁇ may be selected e.g. in range of 5° - 45° depending on the flow velocity.
  • the flow of liquid L is turned and divided into tiny vortexes rotating in opposite direction to main vortex V by mini blades 19.
  • the tiny vortexes may enhance the dissolving of additives into liquid.
  • Figure 7 is a schematic side view of an impulse energy bubbling module of an example apparatus in partial cross-section.
  • the impulse energy bubbling module 5' is one alternative of various constructions of bubbling modules 5.
  • the impulse energy bubbling module 5' comprises a first perforated bubbling wall 24a that is arranged in a form of an inner cone 22.
  • the diameter of the inner cone 22 is essentially smaller than the inner diameter D of the impulse energy bubbling module 5'.
  • the impulse energy bubbling module 5) comprises a second perforated bubbling wall 24b in form of truncated outer cone 23 that surrounds at least partly the inner cone 22.
  • the truncated outer cone 23 is arranged to taper in opposite direction in comparison with the inner cone 22.
  • the inner cone 22 tapers preferably in direction opposite to flowing direction of the liquid L as shown in Figure 7 .
  • the tapering angle ⁇ 3 of the inner cone is preferably 20° - 45°
  • the tapering angle ⁇ 4 of the outer truncated cone is also preferably 20° - 45°.
  • the function of the impulse energy bubbling module 5' is based on quick impulse energy which results a quick diffusion.
  • the impulse energy bubbling module 5' comprises only one inner cone 22 and one outer cone 23.
  • the perforated bubbling wall 24a, 24b comprises holes which are preferably round in shape and having diameter of 0,5 mm - 2 mm.
  • the cones 22, 23 may be attached to an impulse energy bubbling module cartridge 21 that attached in a detachable way to the tube 20.
  • the diameter D B of the bubbling module is preferably 1.2xD - 2xD, wherein D is diameter described earlier in this description.
  • the length L 5" is preferably 1.5x D B - 10x D B .
  • Figure 8a is a schematic side view of a bubbling module of an example apparatus in partial cross-section
  • Figure 8b is a schematic end view of the bubbling module shown in Figure 8a in partial cross-section
  • Figure 8c is a schematic cross-section view of a cylinder shown in Figure 8a
  • Figure 8d is a schematic top view of a part of the cylinder shown in Figure 8c
  • Figure 8e a schematic cross-section view of another cylinder.
  • the bubbling module is a fine bubbling tube 5" wherein three perforated bubbling walls 24a, 24b, 24c are arranged in a form of cylinders 27.
  • the longitudinal axis of each of the cylinders 27 is preferably concurrent with the longitudinal axis X of the fine bubbling tube 5" as shown in Figure 8a .
  • the number of the cylinders 27 may be less or more than three.
  • the cylinders 27 are supported by supports 28 and attached to a detachable fine bubbling tube cartridge 26. The cartridge 26 makes it easier to change and decontaminate the bubbling module, thus preventing of growth of bacterial strains can be effectively realized.
  • the cylinders 27 may also be attached directly to the tube 25.
  • the diameter D B of the bubbling module is preferably 1.2xD - 2xD, and the length L 5" is preferably 1.5x D B - 10x D B .
  • the function of the fine bubbling tube 5" is based on a slower diffusion phenomena compared to the impulse energy bubbling module 5'.
  • the fine bubbling tube 5" gives more time for the diffusion to take place.
  • Figures 8c and 8d show an embodiment of the first perforated bubbling wall 24a. It is to be noted here that all bubbling walls may have similar structure with the first bubbling wall 24a or, alternatively, at least one perforated bubbling wall may have structure that differs from first bubbling wall 24a.
  • the bubbling wall 24a may comprise projections 29.
  • the projection 29 may have one or more hole(s) 30 that opens up to the flowing direction of liquid L.
  • the projection 29 may be manufactured e.g. by partial die cutting etc.
  • the shape, size, number, placing etc. of the projections 29 may vary.
  • the projection 29 may have a point-form shape as shown in Figures 8c, 8d but, alternatively, it may have a ridge-like form the dimension of which is substantially larger in first direction than in second direction. Said first direction may be transversal to the flowing direction of liquid L.
  • the bubbling wall 24a may comprise pits 31 and at least one hole 30 arranged to join obliquely to the pit 31.
  • the direction of the hole 30 is preferably selected so that its end in the pit 31 directs downstream of the flowing direction of liquid L such that a low pressure is created in the hole 30 by liquid flowing by.
  • the hole 30 may have a constant diameter, or alternatively it may be conical as shown in Figure 8e .
  • Figure 9a is a schematic side view of a third example apparatus arranged in a dam
  • Figure 9b is a schematic front view of the example apparatus shown in Figure 9a in partial cross-section.
  • apparatuses 1 are arranged into a dam 33 for handling water of a basin 34.
  • the number of apparatuses 1 is here six, but naturally their number can vary. All the apparatuses 1 may have identical structure or, alternatively, they may have differences in their modules and channels.
  • the apparatus 1 shown in Figure 9a comprises a vortex channel 2 for receiving water from the basin 34, a dispersion channel 4 arranged downstream to the vortex channel 2 for receiving vortical water therefrom, an ejector module 3 for adding additive A in water coming from the dispersion channel 4, a bubbling module 5 for enhancing dissolving the additive in water, and an outlet channel 32 for water exit.
  • the apparatus 1 may be aligned to fall away from the basin 34 as shown in Figure 9a , but this is always not necessary.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Accessories For Mixers (AREA)

Claims (14)

  1. Appareil de mélange d'un additif (A) avec un
    liquide, l'appareil (1) comprenant :
    un canal tourbillonnaire (2) pour recevoir un liquide (L) pénétrant dans l'appareil, le canal tourbillonnaire (2) comprenant au moins une aube de guidage (14) aménagée pour guider le liquide, l'aube de guidage (14) étant aménagée de manière divergente vis-à-vis de l'axe longitudinal (X) du canal tourbillonnaire (2) pour créer un tourbillon principal (V) dans le liquide (L),
    un canal de dispersion (4) aménagé en aval du canal tourbillonnaire (2), le canal de dispersion (4) comprenant au moins une aube de dispersion (18) aménagée de manière divergente vis-à-vis de l'axe longitudinal (X), l'aube de dispersion (18) comprenant une pluralité de mini-aubes (19) aménagées perpendiculairement ou au moins sensiblement perpendiculairement à l'axe longitudinal (X) du canal de dispersion (4),
    un module de barbotage (5) aménagé en aval du canal de dispersion (4), le module de barbotage (5) comprenant au moins une paroi de barbotage perforée (24a, 24b, 24c) à travers laquelle le liquide est censé s'écouler et
    un module d'éjection (3, 3a, 3b) pour acheminer l'additif (A) dans ledit liquide (L), le module d'éjection (3) étant aménagé en amont du module de barbotage (5).
  2. Appareil selon la revendication 1, dans lequel l'additif (A) comprend un gaz tel que l'oxygène.
  3. Appareil selon la revendication 1 ou la revendication 2, dans lequel le liquide (L) comprend de l'eau.
  4. Appareil selon l'une quelconque des revendications précédentes, dans lequel le module de barbotage (5) est un module de barbotage à énergie pulsée (5'), dans lequel la paroi de barbotage perforée (24a, 24b, 24c) est aménagée sous la forme d'un cône interne (22) s'amincissant de préférence dans le sens opposé au sens d'écoulement du liquide (L).
  5. Appareil selon la revendication 4, dans lequel le diamètre du cône interne (22) est sensiblement plus petit que le diamètre interne (DB) du module de barbotage à énergie pulsée (5') et le module de barbotage à énergie pulsée (5') comprend en outre une seconde paroi de barbotage perforée (24a, 24b, 24c) sous la forme d'un tronc de cône externe (23) entourant au moins en partie le cône interne (22), le tronc de cône externe (23) s'amincissant dans le sens opposé en comparaison du cône interne (22).
  6. Appareil selon l'une quelconque des revendications 4 et 5, dans lequel l'angle d'amincissement du cône interne (22) est de 20 à 45° et l'angle d'amincissement du tronc de cône externe (23) est de 20 à 45°.
  7. Appareil selon l'une quelconque des revendications 4 à 6, dans lequel le module de barbotage (5') comprend une pluralité de cônes internes et/ou de cônes externes (22, 23) aménagés consécutivement dans le sens d'écoulement du liquide (L).
  8. Appareil selon l'une quelconque des revendications 4 à 7, dans lequel la paroi de barbotage perforée (24a, 24b, 24c) comprend des trous dont le diamètre est de 0,5 à 2 mm.
  9. Appareil selon l'une quelconque des revendications 1 à 3, dans lequel le module de barbotage (5) est un tube de barbotage fin (5"), dont la paroi de barbotage perforée (24a, 24b, 24c) est aménagée sous la forme d'un cylindre (18), l'axe longitudinal du cylindre (18) étant aménagé de préférence simultanément avec l'axe longitudinal (X) du tube de barbotage fin (5").
  10. Appareil selon l'une quelconque des revendications précédentes, dans lequel le module d'éjection (3) est aménagé entre le canal de dispersion (4) et le module de barbotage (5).
  11. Appareil selon l'une quelconque des revendications 1 à 9, dans lequel le module d'éjection (3) est aménagé entre le canal tourbillonnaire (2) et le canal de dispersion (4).
  12. Appareil selon l'une quelconque des revendications précédentes, dans lequel le sens de rotation de l'aube de dispersion (18) est dirigé à l'opposé en comparaison du sens de rotation de l'aube de guidage (14).
  13. Appareil selon l'une quelconque des revendications précédentes, dans lequel l'appareil (1) est aménagé dans une dérivation (7) d'une canalisation (6).
  14. Appareil selon l'une quelconque des revendications 1 à 12, dans lequel l'appareil est aménagé dans un barrage (33).
EP13165342.0A 2013-04-25 2013-04-25 Système pour mélanger un additif avec un liquide Not-in-force EP2796188B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP13165342.0A EP2796188B1 (fr) 2013-04-25 2013-04-25 Système pour mélanger un additif avec un liquide
PCT/FI2014/050298 WO2014174154A1 (fr) 2013-04-25 2014-04-24 Appareil permettant de mélanger un additif avec un liquide

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP13165342.0A EP2796188B1 (fr) 2013-04-25 2013-04-25 Système pour mélanger un additif avec un liquide

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EP2796188A1 EP2796188A1 (fr) 2014-10-29
EP2796188B1 true EP2796188B1 (fr) 2016-04-06

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2951411T3 (es) 2018-03-28 2023-10-20 Air Liquide Aparato y disposición para introducir un gas en un medio principal, en particular en el tratamiento de aguas residuales
DE202018106008U1 (de) * 2018-10-19 2018-11-29 Anni Hjorth Blum Anschlusseinrichtung für eine Acrolein-Ballastwasserbehandlungseinrichtung

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7116127A (en) * 1971-11-24 1973-05-28 Air injector - for aerating eg surface water
DE2843864C2 (de) * 1978-10-07 1986-08-21 Ruhrkohle Ag, 4300 Essen Einrichtung zur Herstellung einer Wasser-Feststoff-Suspension
SU1443950A1 (ru) * 1987-05-11 1988-12-15 Институт Проблем Механики Ан Ссср Микроструйно-вихревой смеситель
US4929088A (en) * 1988-07-27 1990-05-29 Vortab Corporation Static fluid flow mixing apparatus
US6200014B1 (en) * 1998-12-31 2001-03-13 Cortana Corporation Method and apparatus for mixing high molecular weight materials with liquids
DE20310555U1 (de) * 2003-07-09 2003-09-11 Hunschede, Joachim, Dipl.-Ing., 99195 Alperstedt Faltenwendel-Rohrbelüfter
AU2005333356B2 (en) * 2005-06-20 2010-10-14 Ohr Laboratory Corporation Ballast water treating apparatus
US20100226722A1 (en) * 2009-03-04 2010-09-09 Walker Emmett M Systems, Apparatuses and Processes Involved with Hydrating Particulate Material
KR101009747B1 (ko) * 2010-12-14 2011-01-19 김도식 무동력 와류 혼화장치
US20120204541A1 (en) * 2011-02-14 2012-08-16 GM Global Technology Operations LLC Exhaust mixer element and method for mixing

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WO2014174154A1 (fr) 2014-10-30

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