US1496345A - Apparatus for mixing liquids - Google Patents

Apparatus for mixing liquids Download PDF

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Publication number
US1496345A
US1496345A US665410A US66541023A US1496345A US 1496345 A US1496345 A US 1496345A US 665410 A US665410 A US 665410A US 66541023 A US66541023 A US 66541023A US 1496345 A US1496345 A US 1496345A
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liquid
mixing
liquids
mixing chamber
sparger
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US665410A
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Frank E Lichtenthaeler
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/30Injector mixers
    • B01F25/31Injector mixers in conduits or tubes through which the main component flows
    • B01F25/313Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit
    • B01F25/3131Injector 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

Definitions

  • the present invention relates to apparatus for mixing liquids.
  • the object of the invention is to produce an apparatus for intimately mixing two liquids together, and to this end the invention consists in the apparatus hereinafter described and particularly defined in the claims.
  • Fig. 1 is a longitudinal sectional elevation of the apparatus; Figs. 2, 3 land 4 are details hereinafter referred to.
  • the illustrated embodiment of the invention' is described as follows:
  • the apparatus consists of a mixing chamber 10 enclosed in a casing 11 into which a perforated sparger 12 is introduced.
  • a perforated sparger 12 is introduced at one end of the casing 11 at one end of the casing 11 at one end of the casing 11 at the inlet T 13, and at the other end is mounted the outlet T 14.
  • Onel of the liquids is introduced at 2O and flows in the direction 0f thel arrow to the mixing chamber, where it begins to mix with the liquid introduced at 21, ⁇ which latter liquid flows into the sparger.
  • the sparger is provided with a large number of small holes through which the second liquid is discharged in fine streams into the first lliquid entering at 20.
  • the sparger is tapered ⁇ from end to end, as shown, s0 that the first liquid enterin at 20 accelerates in velocity as it passes y the sparger.
  • the sparger is provided with a helical vane which causes the first liquid to take up a rotary motion as it passes through the mixing chamber.
  • the extreme end of the sparger is supported in a spider 23, shown in elevation in Fig. 2 and in section in Fig. 3. As shown, it consists of a single piece of copper bent to form a support for the small end of the s arger to which the vane is riveted at 24. T e end of the sparger is plugged by the rod 25 which closes its end, causing all of the second liquid to be discharged into the first liquid through the perforations in the sparger.
  • the inlet T is provided with an injector pipe 30 for the admission of steam for the purpose of heating or sterlizing or promoting iiow of the iirst'liquid, if desired.
  • An elevation of the injector pipe 30 is shown in Fig. 4c.
  • the particular embodiment of the inven tion'illustrated in the drawings is designed for the mixing of molasses wort, the molasses being the liquid above referred to as the first liquid which enters at 20, and the water being the second liquid which enters at 21.
  • Steam is introduced through the injector pipe 30.
  • Molasses iiowing by gravity from an elevated tank or introduced by means of a pump, flows in at the inlet T and passes through the spider, its motion being accelerated if necessary by the injector 30, and it begins there to take up the helical motion by reason of the vane 22, which is Wound around the sparger pipe.
  • the water is introduced through the sparger and is discharged in small jets into the whirling mass of molasses, the latter being presented to the water in -thin layers so as to secure the intimate admixture of the water and the molasses.
  • the vane on the sparger isa uniform distance from the surface of the sparger, and so, therefore, it approaches closer and closer to the walls of the casing 11 as it passes through the ymixing chamber. This vcoerces more and more, therefore, the whirling motion of the molasses and the efficient mixing of the water and molasses.
  • the water is admitted under pressure from an elevated tank or from a pump.
  • the amounts of water and molasses are determined in the ratio of the mixture desired, and as they flow into the mixer the mixing is completed and the intimate mixture formed in the apparatus is discharged at the outlet 40.
  • the apparatus commends itself by reason of the small amount of power required to effect an intimate mixture of the liquids. This is secured by the presentation of the liquids in small and determined fractions to each other in such manner that one liquid is projected in small streams into thin layers of the other liquid, the spiral motion of the liquid and the increase of velocity with which it flows out of the discharge end over that at which it entered at the inlet end of the mixing chamber contributing to the etlicient operation of the apparatus.
  • the invention is adapted for mixing different kinds of liquids together. It may be etliciently used not only for mixing molasses wort, but also for mixing alcohol and ether and also for mixing alcohol and a denaturant.
  • the injector pipe may be availed of for the purpose of introducing a third liquid, so that the mixture will comprise two main bodies of liquid and a third liquid, as, for example, the apparatus may beused for the mixingof ethyl alcohol introduced at the right hand end, wood alcohol introduced at the .left hand end, and pyridine introduced by the injector pipe.
  • These liquids so introduced may be etiiciently and intimately and homogeneously mixed by the apparatus.
  • An apparatus for mixing liquids having, in combination, a mixing chamber,
  • apparatus for mixing liquids having, in combination, a mixin chamber, means for introducing one liqui to one end of the mixing chamber, means for introducing a second liquid into the mixing chamber, and a stationary vane for setting up a whirling motion in the liquids as theyl pass through the mixing chamber.
  • An apparatus for mixing liquids having, in combination, a mixing chamber having an opening at one end to receive one liquid, an opening at the other end to receive a central pipe through which a second liquid is introduced into the mixing chamber, said pipe being provided with a large number of small holes through which the second liquid is discharged in fine streams into the moving body of the first liquid.
  • An apparatus for mixing liquids having, in combination, a tube, means for introducing one liquid at one end of the tube, a perforated pipe for introducing a second liquid into the tube, and a vane in the tube for causing the liquids to take up a whirling motion as they pass through the mixing chamber.
  • An apparatus for mixing liquids having, in combination, a mixing chamber provided with an opening at one end for the admission of one liquid, and provided with a second opening at the other end for the discharge of the liquid, and a sparger introduced through the second end tapering from the second end to the first, said sparger being provided with small holes through which the second liquid is discharged in fine streams into the moving body of the first liquid.
  • An apparatus for mixing liquids having, in combination, a mixing chamber provi ed with an opening at one end for the admission of oneliquid, an opening at the other end through which a sparger enters the mixing chamber for introducing a second liquid into the mixing chamber, the sparger being provided with a discharge opening for discharging a second liquid into the stream of the first liquid, a vane in the mixing chamber for causing the liquid passing therethrough to take up a whirling motion.
  • An apparatus for mixing liquids having, in combination, a mixing chamber provided with an opening at one end for the admission of liquid, an injector pipe directing the flow ofizid in the direction toward the inlet opening of the mixing chamber for Vsupplying fluid to the entering liquid, a sparger entering the mixing chamber from the other end tapering from end to end provided with a large number of small holes to discharge line streams of the second liquid into the stream of the rst liquid.
  • An apparatus for mixing liquids having, in combination, a mixing vessel having openin s at opposite ends, the opening at one end aording admission for one of the liquids, and the opening at the other being provided with a sparger through whichthe second liquid is introduced into the mixing chamber, ythe cross-sectional area of the chamber being reduced toward its discharge end so as to thereby to secure the increased velocity of flow of the liquid as it travels through from the mixing chamber.
  • An apparatus for mixing liquids having, in combination, a mixing chamber oonber, the tapered pipe being provided with sisting of a piece o pipe having an opening a helical vane for setting up a whirlin acat one end for admission of one or more tion in the liquid owing through it, an the 10 liquids, and an opening at the other end taper of the pipe acting to increase the ve- 5 through which a tapered pipe enters prolocity of the flow of liquid as it is discharged vided with holes through which a second at the discharge end of the mixing chamber.
  • liquid is discharged into the mixing cham- FRANK E# UCHTENTHAEMR

Description

Patented .lune 3, 1924.
En s'rA'rEs PATEN APPARATUS FOR MIXING LIQUIDS.
Application led September 28, 1923. Serial No. 665,410.
To all whom t may concern.'
Be it known that I, FRANK EDWARD LICH- TENTHAELER, a citizen of the United States, residing at Newton Highlands, in the county of Middlesex and State of Massachusetts, have invented certain new and useful Improvements in Apparatus for Mixing Liquids; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.
The present invention relates to apparatus for mixing liquids.
The object of the invention is to produce an apparatus for intimately mixing two liquids together, and to this end the invention consists in the apparatus hereinafter described and particularly defined in the claims.
In the accompanying drawings illustrating the preferred form of the invention, Fig. 1 is a longitudinal sectional elevation of the apparatus; Figs. 2, 3 land 4 are details hereinafter referred to.
The illustrated embodiment of the invention'is described as follows: The apparatus consists of a mixing chamber 10 enclosed in a casing 11 into which a perforated sparger 12 is introduced. At one end of the casing 11 is mounted the inlet T 13, and at the other end is mounted the outlet T 14. Onel of the liquids is introduced at 2O and flows in the direction 0f thel arrow to the mixing chamber, where it begins to mix with the liquid introduced at 21, `which latter liquid flows into the sparger. The sparger is provided with a large number of small holes through which the second liquid is discharged in fine streams into the first lliquid entering at 20. The sparger is tapered `from end to end, as shown, s0 that the first liquid enterin at 20 accelerates in velocity as it passes y the sparger. The sparger is provided with a helical vane which causes the first liquid to take up a rotary motion as it passes through the mixing chamber. The extreme end of the sparger is supported in a spider 23, shown in elevation in Fig. 2 and in section in Fig. 3. As shown, it consists of a single piece of copper bent to form a support for the small end of the s arger to which the vane is riveted at 24. T e end of the sparger is plugged by the rod 25 which closes its end, causing all of the second liquid to be discharged into the first liquid through the perforations in the sparger.
The inlet T is provided with an injector pipe 30 for the admission of steam for the purpose of heating or sterlizing or promoting iiow of the iirst'liquid, if desired. An elevation of the injector pipe 30 is shown in Fig. 4c.
The particular embodiment of the inven tion'illustrated in the drawings is designed for the mixing of molasses wort, the molasses being the liquid above referred to as the first liquid which enters at 20, and the water being the second liquid which enters at 21. Steam is introduced through the injector pipe 30. Molasses iiowing by gravity from an elevated tank or introduced by means of a pump, flows in at the inlet T and passes through the spider, its motion being accelerated if necessary by the injector 30, and it begins there to take up the helical motion by reason of the vane 22, which is Wound around the sparger pipe. The water is introduced through the sparger and is discharged in small jets into the whirling mass of molasses, the latter being presented to the water in -thin layers so as to secure the intimate admixture of the water and the molasses.- In addition it is to be observed that the vane on the sparger isa uniform distance from the surface of the sparger, and so, therefore, it approaches closer and closer to the walls of the casing 11 as it passes through the ymixing chamber. This vcoerces more and more, therefore, the whirling motion of the molasses and the efficient mixing of the water and molasses. As the molasses moves through the mixing chamber from the entering end toward its discharge end, its velocity increases, as the cross-section of the mixing chamber for the outflow of the mixture is smaller than the cross-section for the inow of the mixture. Violent turbulence of the materials is availed of to secure the intimate mixing of the molasses and water.
The water is admitted under pressure from an elevated tank or from a pump. The amounts of water and molasses are determined in the ratio of the mixture desired, and as they flow into the mixer the mixing is completed and the intimate mixture formed in the apparatus is discharged at the outlet 40.
The apparatus commends itself by reason of the small amount of power required to effect an intimate mixture of the liquids. This is secured by the presentation of the liquids in small and determined fractions to each other in such manner that one liquid is projected in small streams into thin layers of the other liquid, the spiral motion of the liquid and the increase of velocity with which it flows out of the discharge end over that at which it entered at the inlet end of the mixing chamber contributing to the etlicient operation of the apparatus.
The invention is adapted for mixing different kinds of liquids together. It may be etliciently used not only for mixing molasses wort, but also for mixing alcohol and ether and also for mixing alcohol and a denaturant. In fact, the injector pipe may be availed of for the purpose of introducing a third liquid, so that the mixture will comprise two main bodies of liquid and a third liquid, as, for example, the apparatus may beused for the mixingof ethyl alcohol introduced at the right hand end, wood alcohol introduced at the .left hand end, and pyridine introduced by the injector pipe. These liquids so introduced may be etiiciently and intimately and homogeneously mixed by the apparatus.
The invention is not limited to the particular embodiment in which it is illustrated, but may be embodied in other forms within the purview of the invention as defined in the claims.
Having thus described the invention, what is claimed is:
. 1. An apparatus for mixing liquids having, in combination, a mixing chamber,
means for admitting a liquid to one end of the mixing chamber, means for admitting another liquid into the other end of the chamber, and means for projecting fine streams of the latter liquid into the stream of the rst liquid as it flows through the mixin chamber.
2. n apparatus for mixing liquids having, in combination, a mixin chamber, means for introducing one liqui to one end of the mixing chamber, means for introducing a second liquid into the mixing chamber, and a stationary vane for setting up a whirling motion in the liquids as theyl pass through the mixing chamber.
3. An apparatus for mixing liquids having, in combination, a mixing chamber having an opening at one end to receive one liquid, an opening at the other end to receive a central pipe through which a second liquid is introduced into the mixing chamber, said pipe being provided with a large number of small holes through which the second liquid is discharged in fine streams into the moving body of the first liquid.
t. An apparatus for mixing liquids having, in combination, a tube, means for introducing one liquid at one end of the tube, a perforated pipe for introducing a second liquid into the tube, and a vane in the tube for causing the liquids to take up a whirling motion as they pass through the mixing chamber.
5. An apparatus for mixing liquids having, in combination, a mixing chamber provided with an opening at one end for the admission of one liquid, and provided with a second opening at the other end for the discharge of the liquid, and a sparger introduced through the second end tapering from the second end to the first, said sparger being provided with small holes through which the second liquid is discharged in fine streams into the moving body of the first liquid.
6. An apparatus for mixing liquids having, in combination, a mixing chamber provi ed with an opening at one end for the admission of oneliquid, an opening at the other end through which a sparger enters the mixing chamber for introducing a second liquid into the mixing chamber, the sparger being provided with a discharge opening for discharging a second liquid into the stream of the first liquid, a vane in the mixing chamber for causing the liquid passing therethrough to take up a whirling motion.
y7. An apparatus for mixing liquids having, in combination, a mixing chamber provided with an opening at one end for the admission of liquid, an injector pipe directing the flow of luid in the direction toward the inlet opening of the mixing chamber for Vsupplying fluid to the entering liquid, a sparger entering the mixing chamber from the other end tapering from end to end provided with a large number of small holes to discharge line streams of the second liquid into the stream of the rst liquid.
8. An apparatus for mixing liquids having, in combination, a mixing vessel having openin s at opposite ends, the opening at one end aording admission for one of the liquids, and the opening at the other being provided with a sparger through whichthe second liquid is introduced into the mixing chamber, ythe cross-sectional area of the chamber being reduced toward its discharge end so as to thereby to secure the increased velocity of flow of the liquid as it travels through from the mixing chamber.
9. An apparatus for mixing liquids having, in combination, a mixing chamber oonber, the tapered pipe being provided with sisting of a piece o pipe having an opening a helical vane for setting up a whirlin acat one end for admission of one or more tion in the liquid owing through it, an the 10 liquids, and an opening at the other end taper of the pipe acting to increase the ve- 5 through which a tapered pipe enters prolocity of the flow of liquid as it is discharged vided with holes through which a second at the discharge end of the mixing chamber. liquid is discharged into the mixing cham- FRANK E# UCHTENTHAEMR
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Cited By (56)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2432308A (en) * 1943-12-29 1947-12-09 Harold J Goodyer Conduit having annular ribs, a sump, and sediment directing means
US2669437A (en) * 1952-07-26 1954-02-16 Geeraert Corp Nonrotary gel fuel homogenizer
US2784948A (en) * 1951-05-18 1957-03-12 Crown Cork & Seal Co Liquid mixing device
DE1079001B (en) * 1956-03-03 1960-04-07 Rheinhuette Vorm Beck & Co Continuous mixer
US2951061A (en) * 1956-02-16 1960-08-30 Phillips Petroleum Co Process and apparatus for contacting materials
US3105778A (en) * 1959-06-12 1963-10-01 Kaiser Aluminium Chem Corp Heating and mixing methods
US3108060A (en) * 1960-05-10 1963-10-22 Phillips Petroleum Co Loop reactor and process for sulfonating asphalt
US3364880A (en) * 1966-05-12 1968-01-23 Werner Machinery Co Pre-mix airo-mixer
US3675901A (en) * 1970-12-09 1972-07-11 Phillips Petroleum Co Method and apparatus for mixing materials
US3866886A (en) * 1973-10-02 1975-02-18 Universal Oil Prod Co Spiral tube mixing device and method of making
US4068830A (en) * 1974-01-04 1978-01-17 E. I. Du Pont De Nemours And Company Mixing method and system
US4884894A (en) * 1985-08-14 1989-12-05 Yuugenkaisha Ohnobankinkougyousho Fluid mixing element
US5820256A (en) * 1996-05-30 1998-10-13 Stranco, Inc. Motorless mixer
US6017022A (en) * 1995-10-12 2000-01-25 The Dow Chemical Company Shear mixing apparatus and use thereof
US6027241A (en) * 1999-04-30 2000-02-22 Komax Systems, Inc. Multi viscosity mixing apparatus
WO2000039056A2 (en) * 1998-12-23 2000-07-06 B.E.E. International Ltd. Processing product components by fluid jet interaction
US6102561A (en) * 1998-01-05 2000-08-15 Komax Systems, Inc. Device for enhancing heat transfer and uniformity of a fluid stream with layers of helical vanes
US6200014B1 (en) * 1998-12-31 2001-03-13 Cortana Corporation Method and apparatus for mixing high molecular weight materials with liquids
US6341888B1 (en) * 1997-10-14 2002-01-29 Kvaerner Pulping, Ab Apparatus for introduction of a first fluid into a second fluid
US6347883B1 (en) * 1999-01-26 2002-02-19 Kvaerner Pulping Ab Apparatus for adding a first fluid into a second fluid with means to prevent clogging
US20020131325A1 (en) * 1998-02-26 2002-09-19 Jouni Matula Method and apparatus for feeding a chemical into a liquid flow
US20030148000A1 (en) * 2002-02-06 2003-08-07 Van Miller Process and apparatus for production of striated, laminated lipid-based confections
US6659635B2 (en) * 1999-01-26 2003-12-09 Kvaerner Pulping Ab Method for introducing a first fluid into a second fluid, preferably introduction of steam into flowing cellulose pulp
US6659636B1 (en) * 1998-02-26 2003-12-09 Wetend Technologies Oy Method and apparatus for feeding a chemical into a liquid flow
US20040256106A1 (en) * 2003-06-19 2004-12-23 Phillippi Max L. Method and apparatus for hydrating a gel for use in a subterranean well field of the invention
US20050000581A1 (en) * 2001-12-04 2005-01-06 Lane Darin L. Axial input flow development chamber
WO2005017465A2 (en) * 2003-08-05 2005-02-24 Vortex Flow, Llc Apparatus and method for creating a vortex flow
US20050105389A1 (en) * 2001-10-29 2005-05-19 Karsten Wilken Method and an apparatus for the continuous mixing of two flows
US7066207B2 (en) 2001-12-04 2006-06-27 Ecotechnology, Ltd. Flow development chamber
US20060187751A1 (en) * 2003-07-29 2006-08-24 Jeumont S.A. Device for mixing two fluids and use thereof for cooling a very high temperature fluid
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US20070044824A1 (en) * 2005-09-01 2007-03-01 Scott William Capeci Processing system and method of processing
US20090038701A1 (en) * 2006-01-17 2009-02-12 Baxter International Inc. Device, system and method for mixing
US20090073801A1 (en) * 2004-11-17 2009-03-19 Basf Aktiengesellschaft Process and device for producing finely divided liquid-liquid formulations, and the uses of the liquid-liquid formulations
US20100103769A1 (en) * 2007-03-15 2010-04-29 Bachman Gene W Mixer for a continous flow reactor, continuos flow reactor, mehtod of forming such a mixer, and method of operating such a reactor
US20100163216A1 (en) * 2007-05-24 2010-07-01 Atlas Holding Ag Flow Channel for a Mixer Heat Exchanger
US20110166596A1 (en) * 2010-01-05 2011-07-07 Baxter International Inc. Mixing System, Kit and Mixer Adapter
US20110171087A1 (en) * 2010-01-11 2011-07-14 Baxter International Inc. Pipette System, Pipette Tip Assembly and Kit
US20120039146A1 (en) * 2010-08-16 2012-02-16 Zanti Kyriacos Dual tube gas diffusion system
US20130170314A1 (en) * 2010-10-01 2013-07-04 Sika Technology Ag Mixing apparatus for pumpable mixtures and method related thereto
US20130170602A1 (en) * 2011-12-30 2013-07-04 Ge-Hitachi Nuclear Energy Americas Llc Method and apparatus for a high-temperature deposition solution injector
US20140313849A1 (en) * 2010-12-22 2014-10-23 Kochi National College of Technology, Fluid mixer and fluid mixing method
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US20150191380A1 (en) * 2014-01-07 2015-07-09 Harry Glass Vortex Mixing Baffle
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US9761336B2 (en) 2012-12-20 2017-09-12 Ge-Hitachi Nuclear Energy Americas Llc Insulated solution injector, system including the same, and method of injecting using the same
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US20190336923A1 (en) * 2015-09-24 2019-11-07 Tetra Laval Holdings & Finance S.A. Baffle pipe segment, injector device and dissolving installation
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US11857933B2 (en) * 2018-03-09 2024-01-02 Produced Water Absorbents Inc. Systems, apparatuses, and methods for mixing fluids using a conical flow member

Cited By (102)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2432308A (en) * 1943-12-29 1947-12-09 Harold J Goodyer Conduit having annular ribs, a sump, and sediment directing means
US2784948A (en) * 1951-05-18 1957-03-12 Crown Cork & Seal Co Liquid mixing device
US2669437A (en) * 1952-07-26 1954-02-16 Geeraert Corp Nonrotary gel fuel homogenizer
US2951061A (en) * 1956-02-16 1960-08-30 Phillips Petroleum Co Process and apparatus for contacting materials
DE1079001B (en) * 1956-03-03 1960-04-07 Rheinhuette Vorm Beck & Co Continuous mixer
US3105778A (en) * 1959-06-12 1963-10-01 Kaiser Aluminium Chem Corp Heating and mixing methods
US3108060A (en) * 1960-05-10 1963-10-22 Phillips Petroleum Co Loop reactor and process for sulfonating asphalt
US3364880A (en) * 1966-05-12 1968-01-23 Werner Machinery Co Pre-mix airo-mixer
US3675901A (en) * 1970-12-09 1972-07-11 Phillips Petroleum Co Method and apparatus for mixing materials
US3866886A (en) * 1973-10-02 1975-02-18 Universal Oil Prod Co Spiral tube mixing device and method of making
US4068830A (en) * 1974-01-04 1978-01-17 E. I. Du Pont De Nemours And Company Mixing method and system
US4884894A (en) * 1985-08-14 1989-12-05 Yuugenkaisha Ohnobankinkougyousho Fluid mixing element
US6017022A (en) * 1995-10-12 2000-01-25 The Dow Chemical Company Shear mixing apparatus and use thereof
US5820256A (en) * 1996-05-30 1998-10-13 Stranco, Inc. Motorless mixer
US6341888B1 (en) * 1997-10-14 2002-01-29 Kvaerner Pulping, Ab Apparatus for introduction of a first fluid into a second fluid
US6102561A (en) * 1998-01-05 2000-08-15 Komax Systems, Inc. Device for enhancing heat transfer and uniformity of a fluid stream with layers of helical vanes
US7234857B2 (en) * 1998-02-26 2007-06-26 Wetend Technologies Oy Method and apparatus for feeding a chemical into a liquid flow
US20070258316A1 (en) * 1998-02-26 2007-11-08 Wetend Technologies Oy Method of mixing a paper making chemical into a fiber suspension flow
US20020131325A1 (en) * 1998-02-26 2002-09-19 Jouni Matula Method and apparatus for feeding a chemical into a liquid flow
US7758725B2 (en) 1998-02-26 2010-07-20 Wetend Technologies Oy Method of mixing a paper making chemical into a fiber suspension flow
US6659636B1 (en) * 1998-02-26 2003-12-09 Wetend Technologies Oy Method and apparatus for feeding a chemical into a liquid flow
WO2000039056A2 (en) * 1998-12-23 2000-07-06 B.E.E. International Ltd. Processing product components by fluid jet interaction
WO2000039056A3 (en) * 1998-12-23 2000-10-19 B E E International Ltd Processing product components by fluid jet interaction
US6443610B1 (en) 1998-12-23 2002-09-03 B.E.E. International Processing product components
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