US3405803A - Vortex separator - Google Patents

Vortex separator Download PDF

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Publication number
US3405803A
US3405803A US391455A US39145564A US3405803A US 3405803 A US3405803 A US 3405803A US 391455 A US391455 A US 391455A US 39145564 A US39145564 A US 39145564A US 3405803 A US3405803 A US 3405803A
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Prior art keywords
discharge tube
tube
discharge
suspension
vortex
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Expired - Lifetime
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US391455A
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English (en)
Inventor
Bahr Theodore
Muller-Rid Wilhelm
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JM Voith GmbH
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JM Voith GmbH
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C5/00—Apparatus in which the axial direction of the vortex is reversed
    • B04C5/12—Construction of the overflow ducting, e.g. diffusing or spiral exits
    • B04C5/13—Construction of the overflow ducting, e.g. diffusing or spiral exits formed as a vortex finder and extending into the vortex chamber; Discharge from vortex finder otherwise than at the top of the cyclone; Devices for controlling the overflow
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C5/00—Apparatus in which the axial direction of the vortex is reversed
    • B04C5/12—Construction of the overflow ducting, e.g. diffusing or spiral exits
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
    • D21D5/00—Purification of the pulp suspension by mechanical means; Apparatus therefor
    • D21D5/18—Purification of the pulp suspension by mechanical means; Apparatus therefor with the aid of centrifugal force
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C5/00—Apparatus in which the axial direction of the vortex is reversed
    • B04C5/12—Construction of the overflow ducting, e.g. diffusing or spiral exits
    • B04C5/13—Construction of the overflow ducting, e.g. diffusing or spiral exits formed as a vortex finder and extending into the vortex chamber; Discharge from vortex finder otherwise than at the top of the cyclone; Devices for controlling the overflow
    • B04C2005/133—Adjustable vortex finder

Definitions

  • This invention relates to centrifugal separators or clariiiers, particularly of the vortex type such as are adapted for the separation or clarification of suspensions, pulps, and the like containing in suspension bodies which it is desired to separate according to a predetermined classification.
  • Vortex separators of this type are particularly useful in the preparation of fibrous pulps in the manufacture of paper and cardboard because such pulps in crude condition contain substantial amounts of heavy particles such as sand and metal and furthermore, contain gases such as air and other particles lighter than the desirable pulp particles, such as fragments of bark.
  • heavy particles means those particles which have a specific gravity higher than that of the desired particles
  • light particles means those particles which have a specific gravity lighter than the desired particles
  • Vortex separators consist, basically, of a tubular vortex chamber which receives uid to be clarified through a tangential inlet at one end, usually at the top.
  • the chamber tapers inwardly in a direction 'away from the inlet, usually in the downward direction, and when fluid is introduced into the separator through the inlet it will move toward the opposite end of the separator, where an outlet is provided and will rotate within the separator at an ever increasing speed so that high centrifugal forces are introduced which drive the heavy particles toward the outer periphery of the separator so that they can be drawn off from the bottom while the lighter particles in the liquid remain therein and can be drawn off from the top of the separator.
  • Such separators due to the high speed of rotation of the liquid therein, will normally have an axially extending space in the center free of liquids and usually containing gases. These gases are driven oft ⁇ from the liquid by the pressure developed in the liquid due to its spiral movement in the separator chamber.
  • Separators of this type have been proposed with special devices for removing lighter particles or foreign bodies and which would, of course, be disposed toward the center of the separator.
  • Such devices might comprise -a discharge tube extending into the vortex chamber to remove the material from the center portion thereof. Since, however, most of the lighter foreign bodies collect in the vortex circulation that moves toward the discharge tube for the clarified suspension, most of the said lighter particles do not reach the inlet end of the removal device but are carried away with the clarified suspension.
  • the formation of the central gaseous space or core is prevented by supporting a deecting plate in the chamber which shields the vortex chamber from the dirt collecting space at the bottom and upon the upper side of which plate the clarified suspension is diverted inwardly and upwardly to enter a trap opening or discharge tube located slightly above the said plate.
  • a trap opening or discharge tube located slightly above the said plate.
  • the trap opening is provided for removing ice lighter foreign bodies.
  • This other device is in the form of a vortex separator with tangential feeding at the lower end, while at the upper end it is provided with a discharge tube having an umbrella-like trap opening for the lighter foreign bodies, and a concentric discharge opening for the clarified suspension, this lastmentioned opening also being shielded from the vortex chamber by the walls of the umbrella-like trap.
  • This construction also embodies a central guide cone along the lighter particles and guided by the conical surface. The friction encountered by the rotating fluids in this arrangement also interferes with the separation of the lighter particles.
  • Still another arrangement provides the provision of suction openings or outlets in axial alignment at the upper or lower end of a vortex chamber so that the gases which collect in the core can be drawn off by a suction pump. This is effective for removing gases but is ineffective for the important operation of separating light particles from the clarified suspension and is, furthermore, expensive and complex.
  • the aforementioned breathing or change in size of the gas core furthermore greatly hinders the formation of a stable layer of lighter particles in the liquid around the said core, and furthermore makes it extremely difficult to control the suction pump to prevent the carrying awayrby the pump of some of the desired fibrous pulp.
  • the primary object of the present invention is the provision of a vortex separator operable for separating both heavy particles and light particles from a liquid suspension and to accomplish this simultaneously and with a high degree of eiciency.
  • Another object of this invention is the provision of a separator as referred to above including an arrangement for removing gases under controlled conditions from the gaseous core of the separator.
  • a still further object of the present invention is the provision of a vortex separator or clarifier of the nature referred to which is readily adjustable or convertible from one separating condition to another whereby the separator becomes readily adaptable to substantially all circumstances.
  • a separator comprising a substantially tubular vortex chamber, at one end of which there is a tangential inlet opening for the pulp to be clarified, together with a discharge tube for the claried usable pulp, and at the other end a discharge opening for the already separated foreign bodies with specific gravity higher than the -pulp is provided with a second discharge tube dipping into the pulp discharge tube and whose outer diameter is smaller than the inner diameter of the latter while its inlet opening has a diameter which is larger than that of a hollow space which during operation-of the separator will form centrally along the length of the separator and will continue into said second discharge tube.
  • the hollow space or gas core remains centralized with a uniform round cross section.
  • the inlet end of the discharge tube for lighter foreign particles is therefore provided with an inside diameter equal to the diameter of the liquid layer which immediately surrounds the hollow space or gas core and the lighter foreignbodies.
  • the fibrous content of the liquid that contains these lighter foreign bodies is so small that recovery of the fibers is not necessary.
  • Another novel feature of this invention is that the diameter of the pulp discharge tube remains constant or diminishes in the direction of ow from its inlet end to the inlet end of the discharge tube for lighter foreign bodies.
  • the hollow space or gas core is kept in centralized position and a disruption thereof at the end which enters the pulp discharge tube is avoided.
  • Such disruption of the hollow space or gas core would hinder the separation of the lighter foreign bodies and the gases from the suspension.
  • the inlet end of the discharge tube for lighter foreign bodies is spaced from the inlet end of the pulp discharge tube and toward its discharge end by at least twice the diameter of the latter tube, measured along the axis of the Vortex chamber.
  • the lighter foreign bodies will then have sufficient time and length of path to migrate through the fluid transversely to its direction of travel.
  • Another feature of this invention is that the distance the tube for discharging the lighter foreign bodies dips below the level of the pulp outlet opening which is nearest the discharge opening for the heavier foreign bodies, is at least twice the inside diameter of the inlet end of said tube.
  • a third tube is positioned with its inlet opening centered in the discharge tube for the lighter foreign bodies to serve as a gas outlet tube whose inlet opening has about the same diameter as the gas core and which is spaced in the axial direction from the inlet opening of the radially closest discharge tube (generally the discharge tube for the lighter foreign bodies), toward the outlet end of the latter, by at least twice the diameter of the inlet end of the latter.
  • Another feature of this invention is to have the pressure in the gas outlet tube above atmospheric. In that manner the breathing of the gas core will be eliminated and its movements will be substantially completely quieted. As a result the separation of the heavier, as well as the lighter, foreign bodies and the formation thereof into layers will be more nearly complete.
  • the pressure in the vortex separator and especially at the discharge openings will be increased to above atmospheric and, in that manner, vacuum pumps and the like can be dispensed with.
  • Another feature of this invention is the presence of an adjustable throttle valve in the gas outlet tube whereby the pressure in that tube and hence the pressure relations in the separator can be adjusted to the most favorable values for the particular suspension being treated.
  • the discharge tube for the lighter foreign bodies and the pulp delivery tube can also be provided with throttle valves.
  • Another feature of this invention is to have the gas discharge tube adjustable in the axial direction so that its inlet end can be given the most favorable position, relative to the inlet end of the tube which discharges the lighter foreign bodies, for gas release and stabilization.
  • a transverse disc adjustable in the axial direction inside the discharge tube for the lighter foreign bodies can also be provided a transverse disc adjustable in the axial direction inside the discharge tube for the lighter foreign bodies, to be used when a separate removal of the gas is not necessary or when the gas which collects along the center of the vortex chamber is released together with the heavier foreign bodies through the same outlet opening of the vortex chamber, the disc being provided with openings for the passage of the lighter foreign bodies.
  • a gap can be provided between the outer periphery of this disc and the inner wall of the discharge tube to permit the passage of the lighter foreign bodies.
  • Another feature of this invention is to provide the inner ends of the pulp delivery tube, the discharge tube for the lighter foreign bodies and if present, also the gas release tube, namely the ends which are directed toward the vortex chamber, with sharp edges. These will not only effect a sharper separation of the adjacent layers from each other, but will also prevent the formation of ring-shaped vortices at the free end of the tubes which would travel along with the Huid current and disturb the air core along the center which will be rendered less stable which would prevent the uniform separation of foreign bodies with consequent loss of pulp.
  • FIGURE l shows schematically a longitudinal section through a vortex separator constructed according to this invention
  • FIGURE 2 shows on a larger scale the upper portion of a vortex separator of modified construction
  • FIGURE 3 shows a variation of the construction shown in FIGURE 2
  • FIGURE 4 shows on a still larger scale a across section on line IV-IV of FIGURE 3 showing another variation.
  • the vertical vortex separator of FIGURE 1 comprises a tubular vortex chamber 1 provided at its upper inlet end 2a with a tangential inlet conduit 2 for the crude suspension to be clarified.
  • the lower end of the vortex chamber is conically tapered to form an outlet opening 3 for the removal of the separated heavier foreign bodies 4 which have gravitated downwardly along the inner wall of the conical portion.
  • a discharge tube 10 is extended coaxially into the pulp delivery tube 6 for the removal of the lighter foreign bodies.
  • the distance 13a of the inlet end of the discharge tube 10 from that end of the discharge opening 9a of the pulp delivery tube 6 which is nearest the discharge opening 3 for the heavier foreign bodies should be at least twice the inside diameter of the inlet end 13 of the discharge tube 10.
  • the inside and outside diameters of the tube 10 are considerably smaller than the inside diameter of the pulp delivery tube y6 so that suicient space will remain between the outer surface of discharge tube 10 and the inner surface of pulp delivery tube 6 for passage of the pulp.
  • the tube 6 is cylindrical between its inlet end 7 and the receiving end 13 of tube 10 for the lighter foreign particles, so that its cross section throughout the distance remains the same, although it could become smaller in the upward direction of ow.
  • the inside diameter of the discharge tube 10, or at least of its receiving end 13, must however be large enough to receive not only the central gas core but also the fluid layer 12 composed of the lighter foreign bodies so that these, together with the liberated gases can be separated from the pulp and delivered to the discharge conduit 14.
  • the discharge tube 10 can be made interchangeable so that discharge tubes 10 with inlet openings 13 of various diameters can be used with the same vortex separator. In that manner the diameter of the inlet opening 13 can be fitted to the outer diameter of the layer 12 to be discharged. Instead of making the entire discharge tube 10 interchangeable, it is also possible to make only the end portion of it with the receiving end 13 interchangeable.
  • the vortex separator construction shown in FIGURE 2 differs from that of FIGURE 1 especially in the provision of a gas outlet tube 15 coaxial with the discharge tube 10 and longitudinally adjustable therein which not only permits the accumulated gas in the core 11 to escape but also stabilizes the core.
  • the inlet opening 16 of the gas discharge tube 15 has about the same diameter as the gas core 11. If necessary the diameter of the inlet opening 16 can be varied by providing interchangeable tube 15 with different inlet diameters, or only the lower portions of such tubes could be made interchangeable to provide end openings of different diameters.
  • the gas outlet tube 15 is supported for longitudinal adjustment in the upper end 22 of the tube 10 which is equipped with a stuing box 17 and stop means 18 to hold the tube 10 in any adjusted position.
  • the inlet end 16 of the gas inlet tube 15 is spaced from the trap opening 13 of the tube 10 for lighter foreign bodies in the axial direction toward the outlet opening 20 by a distance equal to about twice the inside diameter of the trap opening 13.
  • the cross section of the pulp tube 6 between its inlet opening 7 and the inlet opening 13 of the tube 10 for lighter foreign bodies, and also the cross section of this discharge tube 10 between its trap opening 13 and the inlet opening 16 of the gas -discharge tube 15, remain constant or decrease in the direction of ow.
  • the gas discharge tube 15 is also provided with an adjustable throttle valve 19 to regulate the pressure in the gas core 11 so as to stabilize the latter and thereby produce better separation of the lighter and heavier foreign bodies.
  • the ends of the pulp tube 6 of the discharge tube 10 for lighter foreign bodies and of the gas discharge tube 15 are provided with sharp edges.
  • the inside diameter of the trap opening 13 of the tube 10 is greater than the outside diameter of the gas outlet tube 15 by an amount equal to double the thickness of the uid layer 12 which contains the lighter foreign bodies.
  • the discharge tube or at least its inner end is made interchangeable.
  • the tube 10 and the collar 21 at the upper end of the pulp tube 6 are screw-threaded. This screw thread can at times also be used to adjust the distance by which the discharge tube 10 extends into the pulp tube 6.
  • the discharge tube 10 for the lighter foreign bodies has in it an axially adjustable transverse disc 23 to provide end support for the gas core 11 which is then kept in central position by the discharge tube 10.
  • the axial position of the disc 23 can be adjusted and maintained by means of the stem 25 so as to control on the one hand the amount of gas which in this case escapes together with the heavier particles through the lower discharge opening 3 (see FIG- URE 1), and on the other hand the movement of the lighter foreign bodies and liquid carried along therewith in the discharge tube 10, there being a clearance space 24 between the outer periphery of the disc 23 and the inner surface of the tube 10.
  • FIGURE 4 shows a modified form 23 of this disc which is guided along the inner wall of tube 10 by projections 26, between which there are open spaces 27 through which lighter foreign particles can escape.
  • a vortex separator for clarifying a suspension containing particles both heavier and lighter than the particles to be retained in the clarified suspension comprising; a Igenerally tubular vortex chamber, a tangential inlet opening for the suspension to be clarified at one end of the vortex chamber, a discharge opening for the heavier particles separated out from the suspension and located at the other end of the vortex chamber, said vortex chamber including a central gas core when the suspension is passing through the vortex chamber, a first discharge tube for the clarified suspension extending axially into the vortex chamber from the inlet end thereof so as to have its inlet opening at a point beyond the inlet opening of the vortex chamber and having a discharge opening in its outer end, a second discharge tube extending axially into the first discharge tube from the outer end of the first discharge tube but terminating short of the innermost end of said first discharge tube so as to have its inlet opening at a point ybeyond the discharge opening of the first discharge tube, the inlet end of said second discharge tube being spaced from the inlet end
  • a vortex separator according to claim 1 in which said first, second and third discharge tubes have their inlet ends sharpened to provide minimum obstruction to suspension passing the said tubes.
  • a vortex separator for clarifying a suspension containing particles both heavier and lighter than the particles to be retained in the clarified suspension comprising; a generally tubular vortex chamber, a tangential inlet opening for the suspension to be clarified at one end of the vortex chamber, a discharge opening for the heavier particles separated out from the suspension and located at the other end of the vortex chamber, said vortex chamber including a central -gas core when the suspension is passing through the vortex chamber, a first discharge tube for the clarified suspension extending axially into the vortex chamber from the inlet end thereof so as to have its inlet opening at a point beyond the inlet opening of the vortex chamber and having a discharge opening in its outer end, a second discharge tube extending axially into the first discharge tube from the outer end of the first discharge tube but terminating short of the innermost end of said first discharge tube so as to have its inlet opening at a point beyond the discharge opening of the first discharge tube, the inlet end of said second discharge tube being spaced from the inlet end of said lfirst

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  • Mechanical Engineering (AREA)
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US391455A 1963-08-26 1964-08-24 Vortex separator Expired - Lifetime US3405803A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT681263A AT244996B (de) 1963-08-26 1963-08-26 Wirbelabscheider

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US391455A Expired - Lifetime US3405803A (en) 1963-08-26 1964-08-24 Vortex separator

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US (1) US3405803A (de)
AT (1) AT244996B (de)
BE (1) BE652296A (de)
DE (1) DE1442503A1 (de)
ES (1) ES303411A1 (de)
GB (1) GB1083283A (de)
NL (1) NL6409815A (de)

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3568847A (en) * 1968-12-09 1971-03-09 Wayne F Carr Hydrocyclone
US3859206A (en) * 1972-01-28 1975-01-07 Beloit Corp Stock cleaner and method
US4155839A (en) * 1977-11-28 1979-05-22 The Black Clawson Company Reverse centrifugal cleaning of paper making stock
US4205965A (en) * 1975-08-30 1980-06-03 Messerschmitt-Boelkow-Blohm Gesellschaft Mit Beschraenkter Haftung Apparatus and method for separating a specific lighter component from a flowing medium
US4231526A (en) * 1977-12-30 1980-11-04 J. M. Voith Gmbh Process and apparatus for treating waste paper
EP0037278A3 (de) * 1980-04-01 1984-08-01 ELAST-O-COR PRODUCTS & ENGINEERING LIMITED Auslasskammer für Hydrozyklone mit konzentrischen Auslassrohren für die behandelte Fraktion
US5566835A (en) * 1995-10-05 1996-10-22 Beloit Technologies, Inc. Cleaner with inverted hydrocyclone
WO1999007477A1 (en) * 1997-08-12 1999-02-18 Kvaerner Pulping Ab Tube trap
FR2771029A1 (fr) * 1997-11-18 1999-05-21 Total Sa Dispositif pour la separation des constituants d'un melange heterogene
US5917065A (en) * 1995-05-30 1999-06-29 Abb Flakt Ab Cyclone
US5934484A (en) * 1997-04-18 1999-08-10 Beloit Technologies, Inc. Channeling dam for centrifugal cleaner
US6036027A (en) * 1998-01-30 2000-03-14 Beloit Technologies, Inc. Vibratory cleaner
US6109451A (en) * 1998-11-13 2000-08-29 Grimes; David B. Through-flow hydrocyclone and three-way cleaner
US20090031756A1 (en) * 2005-02-24 2009-02-05 Marco Betting Method and System for Cooling a Natural Gas Stream and Separating the Cooled Stream Into Various Fractions
CN107427847A (zh) * 2015-03-03 2017-12-01 国际壳牌研究有限公司 改进的旋流管分离器

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE420329C (sv) * 1978-02-16 1984-10-15 Mo Och Domsjoe Ab Forfarande for framstellning av slipmassa vid overtryck
DE3140549C2 (de) * 1981-10-13 1986-10-16 J.M. Voith Gmbh, 7920 Heidenheim Sortiergerät für Fasersuspensionen der Papierindustrie
DE3543205A1 (de) * 1985-12-06 1987-06-11 Voith Gmbh J M Verfahren zur aufbereitung von faserstoffsuspensionen in hydrozyklonen
DE4417461C2 (de) * 1994-05-19 1998-12-03 Voith Sulzer Papiermasch Gmbh Zentralverteiler
DE102010003849A1 (de) 2010-04-12 2011-10-13 Voith Patent Gmbh Entgasung

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2098608A (en) * 1935-03-22 1937-11-09 Berges Andre Apparatus for the purification of miscellaneous liquid mixtures
US2375826A (en) * 1939-07-26 1945-05-15 Vickerys Ltd Vortex separator apparatus for treating paper pulp
US2379411A (en) * 1937-07-11 1945-07-03 Berges Andre Method and apparatus for purifying paper pulp
US2724503A (en) * 1952-01-05 1955-11-22 Stamicarbon Hydrocyclone apparatus
US2756878A (en) * 1952-06-10 1956-07-31 Erie Mining Co Three product wet cyclone
US2816490A (en) * 1952-09-24 1957-12-17 Nichols Engineering And Res Co Apparatus for treating liquid mixtures for separation of solid particles and gases
US2819795A (en) * 1950-05-30 1958-01-14 Stamicarbon Process for the separation according to specific gravity of solids of different specific gravity and particle size
US2923151A (en) * 1956-12-17 1960-02-02 Phillips Petroleum Co Extracting and analyzing gas from well drilling mud
US2981413A (en) * 1953-11-30 1961-04-25 Dorr Oliver Inc Process for separating solids in liquid suspension
FR1314386A (fr) * 1961-06-12 1963-01-11 Forsch Ges Verfahrens Technik Procédé de séparation mécanique de matières liquides ou solides d'une phase légère dispersée dans un milieu de phase plus lourde
US3105044A (en) * 1960-03-14 1963-09-24 Bird Machine Co Separator

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2098608A (en) * 1935-03-22 1937-11-09 Berges Andre Apparatus for the purification of miscellaneous liquid mixtures
US2379411A (en) * 1937-07-11 1945-07-03 Berges Andre Method and apparatus for purifying paper pulp
US2375826A (en) * 1939-07-26 1945-05-15 Vickerys Ltd Vortex separator apparatus for treating paper pulp
US2819795A (en) * 1950-05-30 1958-01-14 Stamicarbon Process for the separation according to specific gravity of solids of different specific gravity and particle size
US2724503A (en) * 1952-01-05 1955-11-22 Stamicarbon Hydrocyclone apparatus
US2756878A (en) * 1952-06-10 1956-07-31 Erie Mining Co Three product wet cyclone
US2816490A (en) * 1952-09-24 1957-12-17 Nichols Engineering And Res Co Apparatus for treating liquid mixtures for separation of solid particles and gases
US2981413A (en) * 1953-11-30 1961-04-25 Dorr Oliver Inc Process for separating solids in liquid suspension
US2923151A (en) * 1956-12-17 1960-02-02 Phillips Petroleum Co Extracting and analyzing gas from well drilling mud
US3105044A (en) * 1960-03-14 1963-09-24 Bird Machine Co Separator
FR1314386A (fr) * 1961-06-12 1963-01-11 Forsch Ges Verfahrens Technik Procédé de séparation mécanique de matières liquides ou solides d'une phase légère dispersée dans un milieu de phase plus lourde

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3568847A (en) * 1968-12-09 1971-03-09 Wayne F Carr Hydrocyclone
US3859206A (en) * 1972-01-28 1975-01-07 Beloit Corp Stock cleaner and method
US4205965A (en) * 1975-08-30 1980-06-03 Messerschmitt-Boelkow-Blohm Gesellschaft Mit Beschraenkter Haftung Apparatus and method for separating a specific lighter component from a flowing medium
US4155839A (en) * 1977-11-28 1979-05-22 The Black Clawson Company Reverse centrifugal cleaning of paper making stock
US4231526A (en) * 1977-12-30 1980-11-04 J. M. Voith Gmbh Process and apparatus for treating waste paper
EP0037278A3 (de) * 1980-04-01 1984-08-01 ELAST-O-COR PRODUCTS & ENGINEERING LIMITED Auslasskammer für Hydrozyklone mit konzentrischen Auslassrohren für die behandelte Fraktion
US5917065A (en) * 1995-05-30 1999-06-29 Abb Flakt Ab Cyclone
US5566835A (en) * 1995-10-05 1996-10-22 Beloit Technologies, Inc. Cleaner with inverted hydrocyclone
US5934484A (en) * 1997-04-18 1999-08-10 Beloit Technologies, Inc. Channeling dam for centrifugal cleaner
WO1999007477A1 (en) * 1997-08-12 1999-02-18 Kvaerner Pulping Ab Tube trap
FR2771029A1 (fr) * 1997-11-18 1999-05-21 Total Sa Dispositif pour la separation des constituants d'un melange heterogene
WO1999025479A1 (fr) * 1997-11-18 1999-05-27 Total Dispositif et procede pour la separation d'un melange heterogene
US6426010B1 (en) 1997-11-18 2002-07-30 Total Device and method for separating a heterogeneous mixture
US6036027A (en) * 1998-01-30 2000-03-14 Beloit Technologies, Inc. Vibratory cleaner
US6109451A (en) * 1998-11-13 2000-08-29 Grimes; David B. Through-flow hydrocyclone and three-way cleaner
US20090031756A1 (en) * 2005-02-24 2009-02-05 Marco Betting Method and System for Cooling a Natural Gas Stream and Separating the Cooled Stream Into Various Fractions
US8528360B2 (en) * 2005-02-24 2013-09-10 Twister B.V. Method and system for cooling a natural gas stream and separating the cooled stream into various fractions
CN107427847A (zh) * 2015-03-03 2017-12-01 国际壳牌研究有限公司 改进的旋流管分离器

Also Published As

Publication number Publication date
DE1442503A1 (de) 1969-02-20
GB1083283A (en) 1967-09-13
AT244996B (de) 1966-02-10
BE652296A (de) 1964-12-16
NL6409815A (de) 1965-03-01
ES303411A1 (es) 1964-11-01

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