WO2023047717A1 - Dispositif de séparation d'un mélange liquide - Google Patents

Dispositif de séparation d'un mélange liquide Download PDF

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Publication number
WO2023047717A1
WO2023047717A1 PCT/JP2022/023018 JP2022023018W WO2023047717A1 WO 2023047717 A1 WO2023047717 A1 WO 2023047717A1 JP 2022023018 W JP2022023018 W JP 2022023018W WO 2023047717 A1 WO2023047717 A1 WO 2023047717A1
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WO
WIPO (PCT)
Prior art keywords
specific substance
inner member
outer member
liquid mixture
liquid
Prior art date
Application number
PCT/JP2022/023018
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English (en)
Japanese (ja)
Inventor
和義 大石
浩幸 岡元
Original Assignee
リックス株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by リックス株式会社 filed Critical リックス株式会社
Priority to KR1020247008598A priority Critical patent/KR20240039218A/ko
Priority to CN202280063553.4A priority patent/CN117980050A/zh
Publication of WO2023047717A1 publication Critical patent/WO2023047717A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
    • B01D17/02—Separation of non-miscible liquids
    • B01D17/0217—Separation of non-miscible liquids by centrifugal force
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
    • B01D17/02—Separation of non-miscible liquids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
    • B01D17/02—Separation of non-miscible liquids
    • B01D17/0208—Separation of non-miscible liquids by sedimentation
    • B01D17/0214—Separation of non-miscible liquids by sedimentation with removal of one of the phases
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D43/00—Separating particles from liquids, or liquids from solids, otherwise than by sedimentation or filtration
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Definitions

  • the present invention relates to a mixed liquid separation device that separates a predetermined substance from a mixed liquid in which immiscible different components are mixed and used for cleaning and lubrication in factory equipment such as machine tools.
  • coolants with industrial water as the main component are used for various purposes such as lubrication and cooling during processing, cleaning and degreasing after processing.
  • Various components such as cutting agents and cleaning agents are added to these coolants according to the purpose of use. be.
  • the recovered waste liquid is recycled after removing foreign matters.
  • Various devices have been conventionally used as facilities for such waste liquid treatment (see Patent Documents 1 and 2, for example).
  • a rod-shaped inner member that rotates relative to the outer member is coaxially arranged inside the cylindrical outer member, and a spiral guide wall provided on the outer periphery of the inner member is arranged on the outer side.
  • a screw-pipe type liquid separation mechanism that is configured to slide on the inner peripheral surface of the member is adopted.
  • the outer member and the inner member are rotated relative to each other while the lower portion of the screw pipe is immersed in the liquid mixture to be separated.
  • the guide wall rotates in sliding contact with the inner peripheral surface of the outer member, and the substances to be separated such as oil floating on the liquid surface of the mixed liquid are transported upward by the helical surface of the guide wall to be separated and collected.
  • the conventional mixed liquid separation device has high performance, it was required to achieve further performance improvement to reduce the amount of operation of the device and extend its life. If the liquid mixture separation device stops working due to a failure, the coolant will not be able to exhibit its original effect, and other devices may be adversely affected in a chain reaction.
  • the present invention has been made in view of such problems, and the problem to be solved is to provide a mixed liquid separation device that can achieve a higher recovery rate than before.
  • the mixed liquid separation device of the present invention is a mixed liquid separation device for separating and extracting a specific substance from a mixed liquid of at least two immiscible liquid substances having different unaccompanied rotation characteristics, a cylindrical outer member having an inlet for sucking the mixed liquid at one end thereof and an outlet for discharging the separated specific substance at the other end; a rod-shaped inner member arranged coaxially with the outer member and relatively rotatable within the outer member; driving means for relatively rotating the outer member and the inner member;
  • the outer peripheral side of the inner member has a plurality of helical guide walls that guide the specific substance from the one end to the other end by relative rotation of the outer member and the inner member, Separate by sending the specific substance along the guide wall to the other end by relative rotation of the outer member
  • n ⁇ (Vw+Mw)/ ⁇ D is preferably 0.16 or less, and preferably 0.05 or more.
  • the valley width Vw is preferably 6.3 mm or more.
  • the mixed liquid separation device of the present invention can realize a high collection speed by having the above configuration.
  • FIG. 3 is a schematic diagram for explaining the position for measuring the width Mw of the guide wall in the liquid mixture separator of the present invention.
  • 1 is a schematic front view of a liquid mixture separation device of the present invention;
  • FIG. It is a partial enlarged view of the front of the liquid mixture separator of the present invention.
  • 4 is a graph showing n ⁇ (Vw+Mw)/ ⁇ D dependency of recovery speed in the mixed liquid separator of the present embodiment.
  • 4 is a graph showing the Vw/Mw dependency of the recovery rate in the mixed liquid separator of the present embodiment.
  • liquid mixture separator of the present invention An embodiment of the liquid mixture separator of the present invention will be described below.
  • the numerical range described herein can be set as an arbitrary range using the values described in the specification as the upper limit or lower limit, and the upper limit and / or lower limit of the set range is included. can be
  • the mixed liquid separation device of the present invention is a mixed liquid separation device that separates a specific substance from a mixed liquid composed of at least two immiscible substances with different unaccompanied rotation characteristics.
  • the liquid mixture separation device of the present invention is a device for separating a specific substance from a liquid mixture of two or more substances having different entrainment characteristics with respect to an inner member such as a guide wall, which will be described later.
  • the amount recovered from the mixed liquid is affected by the entrainment characteristics of the specific substance and the abundance/ratio of the specific substance. Viscosity, affinity, and the like are factors that affect the co-rotation characteristics. The higher the viscosity and the higher the affinity, the more difficult it is to fall off from the inner member and the easier it is to rotate. In particular, the high viscosity has a great effect on the ease of co-rotation.
  • a mixed liquid containing a low-viscosity liquid and a high-viscosity liquid is desirable as a mixed liquid that can be separated by the mixed-liquid separation device of the present invention.
  • a mixed liquid containing a low-viscosity liquid and a high-viscosity liquid
  • a mixed liquid that can be separated by the mixed-liquid separation device of the present invention.
  • water and oil oils with different viscosities, and the like.
  • highly viscous oil an oil having a high viscosity of VG32 or higher (VG46, VG68, VG100, VG150, etc.) is preferable.
  • the mixed liquid may be sludge or sludge containing metal scraps such as shavings and cutting powder, or water-soluble and water-insoluble liquids.
  • the liquid mixture assumed by the liquid mixture separator of the present embodiment includes coolant and oil mixed in the coolant.
  • oils with high viscosity are envisaged as specific substances. Therefore, the viscosity difference is much larger than that of the coolant, and the speed at which the oil is recovered due to co-rotation is much higher than the speed at which the coolant is recovered.
  • the liquid mixture separation device of the present embodiment can improve the collection speed by having the configuration described later.
  • the mixed liquid separating device of the present invention comprises an outer member, an inner member and a driving means.
  • the outer member has a cylindrical shape and has an inlet for sucking the mixed liquid at one end thereof and an outlet for discharging the separated specific substance at the other end.
  • the inner member is arranged coaxially with the outer member and has a rod shape capable of relative rotation within the outer member.
  • the material of the outer member and the inner member is not particularly limited, but a stable material is desired even if it is immersed in the separated mixed liquid for a long period of time or is in contact with the mixed liquid. Therefore, it is necessary to appropriately select the material according to the type of the liquid mixture, and for example, it is preferably made of metal or resin. Also, the sizes of the outer member and the inner member depend on the type of the mixed liquid to be separated and the amount of separation, and therefore may be determined as appropriate. Of the length in the axial direction of the inner member, the longer the portion above the liquid surface, the lower the separation speed, but the higher the separation precision.
  • the shape and size of the suction port of the outer member are not particularly limited as long as the liquid mixture can be sucked into the outer member.
  • it preferably consists of one open end of a cylindrical member or an opening formed in the outer peripheral surface.
  • the suction port is immersed in the mixed liquid, and the mixed liquid is continuously sucked from the suction port by the entrained force on the outer member and the inner member.
  • the opening is preferably an opening extending in the axial direction. If the opening extends in the axial direction, when the mixed liquid separator is installed so that the axial direction intersects the liquid surface, even if the liquid surface fluctuates, the vicinity of the liquid surface will be positioned at the opening. It becomes possible to continuously inhale the liquid mixture containing the substance floating on the surface of the liquid through the opening.
  • the size may cover the entire axial direction of the outer member. can be done.
  • the form of the outlet of the outer member is not particularly limited as long as the separated specific substance can be discharged to the outside of the outer member.
  • it preferably consists of one open end of a cylindrical member or an opening formed in the outer peripheral surface.
  • the ejection port is an opening that opens on the outer peripheral surface of the outer member, the specific substance can be efficiently ejected to the outside of the apparatus.
  • a tubular member or the like extending from the opening toward the outside of the apparatus may be provided to convey a specific substance to a collection box or the like.
  • a specific substance receiving portion formed at the other end of the outer member to receive a specific substance discharged from the discharge port, and a specific substance discharge formed in the specific substance receiving portion for discharging the specific substance accumulated in the specific substance receiving portion. If the liquid mixture separation device has the discharge means consisting of the part, it is possible to efficiently discharge the specific substance to the outside of the device.
  • the specific substance receiving portion is not particularly limited in shape or size as long as it can receive the specific substance discharged from the discharge port. By doing so, it is possible to prevent it from flowing out from places other than the specific substance discharge part. In addition, cylindrical parts are easy to process and inexpensive, so they are readily available. Furthermore, when a plate-like body is used as the transfer means in the later-described discharging means, it is preferable that the specific substance receiving portion is cylindrical. As will be described later, the plate rotates with respect to the specific substance receiving portion, so if the specific substance receiving portion is not cylindrical (for example, rectangular), there will be places where the plate cannot reach, and the specific substance will not be discharged. may occur.
  • the specific substance discharge unit is not particularly limited in its form as long as it can discharge the specific substance accumulated in the specific substance receiving unit.
  • the specific substance accumulated in the specific substance receiving portion is sequentially discharged out of the device from the point where it reaches the opening. Therefore, for example, an opening may be provided in the bottom portion or the outer peripheral surface of the specific substance receiving portion having a bottomed cylindrical portion.
  • the specific substance discharge part is a discharge port that opens in the direction of gravity, the specific substance accumulated in the specific substance receiving part is efficiently discharged by its own weight, which is preferable. .
  • the outlet is open in the direction of gravity, it is difficult for specific substances and dust to accumulate on the side of the outlet. It is possible to reduce the clogging of the discharge port that occurs due to
  • the discharge means further has transfer means for transferring the specific substance accumulated in the specific substance receiving portion to the discharge port.
  • transfer means it is fixed to the inner member, rotates relative to the specific substance receiving portion by relative rotation of the outer member and the inner member, and pushes the specific substance accumulated in the specific substance receiving portion to the specific substance discharging portion.
  • a plate-like body is preferred. In the liquid mixture separation device of the present invention, since the outer member and the inner member rotate relative to each other, the plate-like body fixed to the inner member rotates relative to the specific substance receiving portion and the discharge portion formed on the outer member.
  • the specific substance accumulated in the specific substance receiving portion can be pushed by the plate-like body and collected in the discharging portion, and can be discharged efficiently. Moreover, even if the specific substance is a substance that tends to solidify when left for a long period of time, it can be prevented from solidifying while remaining in the specific substance receiving portion because the plate-like body allows the substance to flow.
  • the plate-shaped bodies there are no particular limitations on the size or number of the plate-shaped bodies, as long as they have a surface that can push a specific substance.
  • the plate-like body may be a metal plate, a resin plate having a certain degree of rigidity, or an elastic body such as a rubber plate that is in elastic contact with the specific substance receiving portion.
  • the axial direction thereof is the direction of action of gravity. If it is installed so that the axial direction is the direction of action of gravity, the space required for installation can be reduced. Also, the rotation of the outer member and the inner member is less likely to be eccentric due to gravity. At this time, it is preferable that the suction port is located on the lower side and the discharge port is located on the upper side.
  • the axial direction of the outer member and the inner member is set at an angle with respect to the direction of action of gravity, the outer member and the inner member can be separated by using a support that coaxially supports both members so that they can rotate relative to each other. It is possible to prevent the eccentricity of rotation due to gravity.
  • the drive means relatively rotates the outer member and the inner member.
  • the rotating means comprises a motor.
  • it may have a circuit for controlling the motor so that the number of revolutions of the device can be changed according to the type of mixed liquid.
  • bearings may be provided to prevent eccentric rotation of the outer and inner members.
  • the liquid mixture separation device of the present invention relatively rotates at a rotation speed that allows the specific substance in the liquid mixture to rotate together with the outer member and the inner member.
  • the rotation speed is preferably 10 to 200 rpm, although it depends on the size of the device, the type of mixed liquid and the processing capacity.
  • the centrifugal force generated at this time is as weak as about 0.002 to 0.9G. Therefore, the rotation is not so fast as to generate a strong centrifugal force that pushes the material against the inner peripheral surface of the outer member or keeps it away from the inner member.
  • 30 to 120 rpm is preferable.
  • the outer peripheral side of the inner member has two (n) or more helical guide walls that guide a specific substance from one end of the outer member to the other end by relative rotation of the outer member and the inner member. By relative rotation of the outer member and the inner member, the specific substance is separated by sending it along the guide wall to the other end. If the axial distance between the parallel guide walls is Vw (mm) and the axial width of the guide walls is Mw (mm), then Vw/Mw is 1.0 or more. .
  • n ⁇ (Vw+Mw)/ ⁇ D is 0.01 or more and 0.27 or less.
  • n ⁇ (Vw+Mw)/ ⁇ D preferably has a lower limit of 0.05, 0.08, 0.10, or 0.13, and an upper limit of 0.22, 0.16, 0.15, It is preferably either 0.14 or 0.135.
  • the valley width Vw is preferably 5.0 mm or more, more preferably 6.3 mm or more, and even more preferably 9.0 mm or more.
  • Mw is preferably 3.0 mm or less, more preferably 2.0 mm or less, and even more preferably 1.2 mm or less.
  • D preferably has lower limits of 10 mm, 15 mm and 20 mm and upper limits of 150 mm, 100 mm and 50 mm. The larger the value of D, the higher the separation speed, and the smaller the value, the smaller the size of the liquid mixture separator.
  • the valley width Vw is the distance between adjacent guide walls among two or more guide walls arranged side by side.
  • the values of Mw and Vw can be evaluated over the entire guide wall, it is preferable to evaluate the values of the portions located near and above the liquid surface.
  • the values of Mw and Vw are not the same over the range of the guide wall to be evaluated, they can be evaluated as average values.
  • the values of Mw and Vw fall within the range of 50 to 150% when the average value is 100% in an arbitrary 90% or more portion of the length of the range to be evaluated in the axial direction. More preferably, it falls within the range of 50-150% over the range evaluated.
  • the lower limit of this range can be 70% and 90%, and the upper limit can be 130% and 110%.
  • the measurement of the crest width Mw is the width at a portion 0.1 mm from the outermost periphery of the guide wall (point located in the outermost direction at each position in the axial direction) (Fig. 1).
  • the cross-sectional shape of the guide wall is rectangular as shown in FIG.
  • Vw is the value measured at the site where Mw was measured. Therefore, Vw is the value obtained by subtracting Mw from the pitch P of the spirals forming the guide wall.
  • the outer member and the inner member have the property of strongly entraining a specific substance in the liquid mixture.
  • substances that tend to physically or chemically adhere to the outer and inner members are entrained in the outer and inner members.
  • the shape of the outer member and the inner member is not particularly limited as long as it has a spiral guide wall on at least one of the inner peripheral side of the outer member and the outer peripheral side of the inner member. That is, it is preferable that the outer member has a cylindrical inner peripheral side and the inner member has a helical guide wall on its outer peripheral side.
  • the inner member having a helical guide wall on the outer peripheral side may be a male screw, a spring, or a helically wound wire. At this time, the specific substance is entrained around the cylindrical inner peripheral surface of the outer member and the guide wall (male screw) of the inner member due to its adhesive force, frictional force, and the like.
  • the inner peripheral side of the outer member or the outer peripheral side of the inner member may be formed into a raised or brush-like uneven surface.
  • powder such as metal scraps is preferable because it easily adheres to the uneven surface.
  • At least one of the inner peripheral side of the outer member and the outer peripheral side of the inner member may be a hydrophilic or hydrophobic surface, or may be a magnetic surface.
  • the mixed liquid sucked from the suction port sends a specific substance out of the mixed liquid along the guide wall to the other end by the relative rotation of the outer member and the inner member.
  • other substances substances other than the specific substances in the liquid mixture (hereinafter referred to as "other substances") are less likely to be carried around by the outer member and the inner member, so that the other substances are not inhaled together with the specific substances from the suction port.
  • certain substances are detached from the outer and inner members as they are transported from one end of the outer member to the other.
  • the uneven surface is made of an elastic material, the specific substance adhering to the uneven surface is scraped off by the helical guide wall, and the scraped-off specific substance is removed. It can be fed smoothly from one end of the outer member to the other along the guide wall.
  • At least one liquid mixture separator of the present invention may be installed in a tank that collects waste liquid collected in a metalworking process, for example.
  • a mixed liquid separation device with different conditions such as the co-rotation characteristics of each member, the width of the gap between the members, and the number of rotations is used. It is also possible to separate
  • FIG. 2 is a front view of the liquid mixture separator of this embodiment
  • FIG. 3 is a partially enlarged view of FIG.
  • the liquid mixture separation device of this embodiment comprises an outer member 1 , an inner member 2 and a drive means 3 .
  • the outer member 1 is composed of an outer cylinder main body 10 and a connecting portion 15 .
  • the outer cylinder main body 10 is a cylindrical piping material made of resin.
  • a suction port 11 is formed on the outer peripheral surface of the outer cylinder main body 10 .
  • the suction port 11 is a 180° opening formed by axially cutting one end of the outer cylinder main body 10 .
  • the suction port 11 is defined by axial opening end faces 111 and 113 and a circumferential opening end face 112 extending in the axial direction.
  • cutting in the axial direction is usually cut in the radial direction.
  • the cut surface 111 is oriented in a direction that hinders the flow of the inhaled liquid mixture. Therefore, the 180° opening is provided with an edge portion (not shown) having a thin tip on the side where the liquid mixture is sucked. By forming the edge portion with the axial opening end surface 111 as an inclined surface that inclines toward the inner peripheral surface side, the liquid mixture flows smoothly.
  • a discharge port 16 is connected to the other end of the outer cylinder main body 10 .
  • connection part 15 is made of the same resin as the outer cylinder main body 10, and has a cylindrical shape with a flange part 151 at one end.
  • the bottom surface of the other end of the connecting portion 15 serves as an installation surface 150 when installed in a mixed liquid tank or the like. Since the connection portion 15 is axially shorter than the outer cylinder main body 10 , the suction port 11 side of the outer cylinder main body 10 protrudes below the installation surface 150 of the connection portion 15 .
  • the inner member 2 consists of a metal trapezoidal double thread screw.
  • the inner member 2 is arranged coaxially with the outer member 1 (outer cylinder main body 10). At this time, the outer member 1 and the inner member 2 were arranged so that the gap provided between them was 1 mm or less.
  • the outer peripheral side of the inner member 2 has two helical guide walls 211 and 212, and the relative rotation of the outer member 1 and the inner member 2 separates a specific substance by feeding it along the guide walls 211 and 212. .
  • a valley width Vw (mm) which is the distance between the parallel guide walls 211 and 212
  • a peak width Mw (mm) which is the width of the guide walls 211 and 212, are defined.
  • the driving means 3 consists of a geared motor (not shown) and a case 31 that houses the geared motor.
  • the case 31 has a flange portion 315 on the opening side, and the flange portion 315 and the flange portion 151 of the outer member 1 (connecting portion 15 ) are fixed by bolts 313 .
  • the geared motor 30 is connected to one end of the inner member 2 and drives the inner member 2 to rotate.
  • an inverter is incorporated in the circuit that controls the geared motor 30 to control the frequency of the motor and set the rotation speed of the inner member 2 arbitrarily.
  • the recovery rate of a specific substance was evaluated.
  • it is expected to improve the collection speed by changing the shape of the inner member. Therefore, in this embodiment, it was decided to examine the recovery speed instead of the separation speed. Since it is not essential to use a mixed liquid in order to evaluate the recovery speed, VG68 oil was used alone as a specific substance in place of the mixed liquid.
  • the shape of the inner member was changed as shown in Table 1 and tested. The inner member was rotated at 60 rpm and evaluated by recovery of the specified material per 10 minutes.
  • Guide walls with leads shown in Table 1 were provided at pitch intervals equal to the number of threads.
  • the peak width and valley width of the guide wall were also varied.
  • the axial length of the inner member is 150 mm, and the specific substance is lifted up to 100 mm from the liquid surface and collected.
  • the inner member had a diameter D of 36 mm.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Hydrology & Water Resources (AREA)
  • Thermal Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Centrifugal Separators (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

L'invention concerne un dispositif de séparation d'un mélange liquide avec lequel il est possible d'atteindre un taux de récupération plus élevé qu'auparavant.　Ce dispositif comprend un élément externe cylindrique (1), un élément interne en forme de tige (2) disposé de manière coaxiale à l'intérieur de l'élément externe (1) et relativement rotatif, et un moyen d'entraînement (3) qui fait tourner l'élément interne, ledit élément interne (2) ayant deux parois de guidage hélicoïdales (211 et 212) sur sa périphérie externe. La rotation relative de l'élément interne (2) contre l'élément externe (1) envoie une substance spécifique le long des parois de guidage (211 et 212) pour séparer ainsi la substance. La largeur de vallée Vw (mm), qui est la distance entre les parois de guidage parallèles (211 et 212), est de 1,0 ou plus par rapport à la largeur de montagne Mw (mm), qui est la largeur des parois de guidage (211 et 212). Le Vw et le Mw forment une relation avec le diamètre externe D (mm) telle que n · (Vw + Mw)/πD est de 0,01 à 0,27.
PCT/JP2022/023018 2021-09-22 2022-06-07 Dispositif de séparation d'un mélange liquide WO2023047717A1 (fr)

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KR1020247008598A KR20240039218A (ko) 2021-09-22 2022-06-07 혼합액 분리 장치
CN202280063553.4A CN117980050A (zh) 2021-09-22 2022-06-07 混合液分离装置

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JP2021-154920 2021-09-22
JP2021154920A JP7081033B1 (ja) 2021-09-22 2021-09-22 混合液分離装置

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