• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The invention relates to equipment for separating a suspension of minerals into light and heavy fractions in a field of centrifugal forces. The purpose of the invention is to improve the quality of the separation. The centrifuge for separating the suspension of minerals contains four conical rotors 2 evenly mounted on bearing supports with the possibility of their planetary rotation, facing downward with a large base and having screws 3 on the inner wall surface for transporting the heavy fraction, the device for distributing the initial suspension to the rotors consisting of the Central pipeline 4 and attached to it the tubular sleeves 5 with the knees 6 located above the rotors, and the drive of the Central shaft 7, containing the drive Item 8. Each cone-shaped rotor has a tubular sleeve 5 attached to the elbow 6 and a cylindrical shell 10 with a smaller base with radial blades 11 installed inside it for preliminary twisting and separation of the initial suspension and on a larger base the bottom 12. Inside the rotor there is a collector 13 of a heavy fraction with discharge openings 14, open from above in the direction of movement of the fractions and formed by a cone 15. The rotor and bottom of the bottom of the collector has discharge openings 16 and 17 for easy fractions. 4 Cp, 4 ill.
    公开号:SU1475478A3
    申请号:SU853892102
    申请日:1985-04-30
    公开日:1989-04-23
    发明作者:Седлачек Вальтер
    申请人:Мизет Аг (Фирма)；
    IPC主号:
    专利说明:

    one
    The invention relates to equipment for the separation of a suspension of minerals into light and heavy fractions in a field of centrifugal forces.
    The purpose of the invention is to improve the quality of the separation
    FIG. 1 shows a schematic of a half centrifuge, longitudinal section; in FIG. 2 a section A-A in FIG. one; FIG. 3 shows a section BB in FIG. one; in fig. 4 shows a section B-B in FIG. ten
    The centrifuge for separating the suspension of minerals contains uniformly mounted on the bearing supports 1 with the possibility of their planetary rotation four cone-shaped rotors 2, turned down with a large base and having screws 3 on the inner wall surface for transporting the heavy fraction, the device for distributing the initial suspension rotors consisting of a central pipeline 4 and tubular sleeves 5 attached to it with elbows 6 located above the rotors, the central shaft drive 7, containing a drive element 8. The drive of each rotor contains a gear 9 o. Each cone-shaped rotor has a cylindrical shell 10 attached to the elbow 6 of the tubular sleeve 5 and to its smaller base, with radial vanes 11 installed inside it for preliminary twisting and separation of the initial suspension, and on a larger basis has
    bottom 12. Inside the rotor, under the auger, a collector 13 of heavy fraction with discharge openings 14 is placed, open from above in the direction of movement of the fractions and formed by a cone 15.
    The wall of the rotor and the bottom under the manifold has discharge openings 16 and 17 for the light fraction. At the bottom of each rotor, a cone-shaped fairing 18 is fixed to direct the light fraction to the discharge openings 16 and 170. Each rotor is equipped with a conical casing 19 to form an annular gap 20 between them, and the rotor wall has openings 21 located between the turns of the screw 3 to fit into the inner the surface of the liquid or air. The casing 19 has a flared slot 22 in height to supply air to the annular gap. A centrifugal flow divider is mounted on the end of the central shaft 7 inside the cavity of the central pipeline. It consists of a bladed impeller 23. The cylindrical shell 10 is attached to the bend of the tubular sleeve 5 by means of a seal 24. The central pipeline 4 and the pipeline 26 are connected by a similar design to seal 25. Central the shaft should be driven to communicate an oscillatory reciprocating movement to it, containing unbalance disks (not
    314
    shown) or discs with protrusions 27, which are fixed to the housing. The central shaft 7, together with its bearing support 28, can be mounted on vibration supports 29, and with its lower end surface rests on unbalance discs or protrusion discs 27,
    Bearing bearings 1 of the rotors 2 are fixed by means of brackets (not shown) or plates 30 on the central shaft 7. The blades 31 of the impeller 23 are oriented along the tubular sleeves 5, and their number corresponds to the number of tapered rotors 2.
    The centrifuge works as follows.
    The mineral suspension to be divided into fractions according to density is premixed in a container with water or gas, in particular air. The suspension flows through the central pipeline 4 to the impeller impeller 23, is divided into four streams 32 and through the tubular sleeves 5 and the elbows 6 enters the cylindrical shells 10 of the cone-shaped rotors 2 "The planetary rotation around the main axis a and simultaneously around its longitudinal axes b. In order to achieve high productivity of each rotor 2, it is necessary to carry out the correct dosage of the incoming slurry using a blade impeller 23.
    The suspension which entered the cylindrical shell 10 of each cone-shaped rotor 2 is pre-twisted by blades 11 and separated. The planetary rotation of the cone-shaped rotor provides a cyclical change in the centrifugal forces acting on the mixture of minerals near the rotor wall, resulting in fluidization or pulsation of the mixture
    When separating on a sedimentary table for a given mass, the magnitude of the separating force or vector magnitude is given by the magnitude of the acceleration of earth's gravity g, in rotary separators, it is determined by centrifugal acceleration or speed, so that an acceleration of up to 60 J can be achieved easily and without cost. Accordingly, faster and better in such a separator
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    The separation of the mixture of minerals into heavy fractions, which fall directly on the separating wall, and lighter products are placed on them, while in the center is a fluidizing medium, i.e. liquid or gas.
    From the cylindrical shell, the pre-divided suspension enters the cone-shaped wall of the rotor and the suspension fractions move along it along a helical line with the aid of the screw 3, thus slowing down its own rotation of the flow. The rotor wall rotates faster than the flow continuing to rotate, resulting in a relative rotational movement that is used to transport the product adjacent to the rotor wall along a helical path.
    The centrifugal acceleration increasing along the transport path when the rotor 2 rotates creates an additional force component, regardless of the type of mixture and the position of the separator in space, so that at higher speeds the device can work even when the central shaft is horizontal 7 °. While in the first section in the cylindrical shell the mixture is separated, in the second section of the cone-shaped wall the fractions of the heavy product are transported to the p zgruzochnym openings 140
    By performing the second section in the form of a screw, a better separation of the mixture of minerals is achieved. Since the liquefaction and pulsation continue, caused by a combination of rotational movement around the main axis a and the longitudinal axis b, in the second section of the rotor 2 and above all at its wall in the helical lanes, t0e. in the grooves or grooves that cause a significantly longer unloading time for the heavy product fractions contained therein than for the light products that are mainly in the internal position, a further concentration of the heavy product fractions occurs.
    The fraction of heavy product, having a high concentration, enters the collector 13, located slightly above the bottom 12 of the rotor, which is formed by a cone 15, which is inside
    from the wall, and from which it is discharged and discharged through adjustable outlets 14, distributed along the collector 130 A light product fraction lying closer to the longitudinal axis & in the second section of the cone-shaped wall of the rotor 2, as well as most of the oily substance in the center of the liquid, is discharged radially through two outlets 16 and 17 located around the perimeter of the wall of the 12 V bottom made adjustable. To facilitate the discharge of the light product fraction, at the bottom 12 there is a cone-shaped cone coaxial with the longitudinal axis b. 180 The light product fraction to be discharged is collected in containers in the usual way and discharged.
    It is preferable to separate the suspension of minerals when a fluid (liquid or gas) is introduced into the annular gap 20, which is injected into the holes 21. With the rotating rotor 2, the introduction of the fluidizing agent is effective only in the fluidization phase. The heavy product fractions collected from the rotor wall in the radial direction are penetrated by this substance and cleaned of the existing light product particles, which are washed away in the direction of the longitudinal axis b into the separated light product fraction and then discharged together.
    If air is used as the fluidizing agent, then it is advisable that the casing 19 has a longitudinal groove slot 22 with air flap for supplying air to the annular gap 20 (FIG. 4). in the annular gap 20 in this case, no additional supply lines are required.
    The described supply of gas, in particular air, to the second section gives an advantage with a dry flow of material, that is, „mixed with gas, in particular with air, fine-grained mixtures
    Unintended changes in the solids content of the material stream under certain circumstances can lead to disturbances.
    in work, in particular to the blockage of pipelines. In order to eliminate such disturbances rotating around the main axis a, the cone-shaped rotors 2 additionally experience oscillations along their longitudinal axis b, which is provided by a drive containing discs with protrusions 27. These oscillations
    they themselves have a significant effect on the separation process, so that an even higher concentration of the component of the heavy product can be achieved. When vertical
    5, the arrangement of the central shaft 7 for creating such oscillations of the central shaft together with its bearing support 28 can be, for example, mounted on vibration supports 29.
    The drives of the central shaft 7 and the rotors 2 are installed with the possibility of adjusting the direction of rotation and the number of revolutions so that the rotors can rotate in the same or opposite direction with the central shaft 7.
    The proposed centrifugal separator design provides effective separation of a suspension of fine minerals and improves the quality.
    0 products received „
    权利要求:
    Claims (5)
    [1]
    1. A centrifuge for separating a suspension of minerals, containing evenly mounted on supports with the possibility of their planetary rotation, cone-shaped rotors, turned down with a large base and having augers on the inner wall surface for transporting the heavy fraction, a device for distributing the initial suspension to the rotors, consisting of conduit 5 and tubular sleeves attached thereto with elbows located above the rotors, and a central shaft drive, characterized in that, in order to increase The quality of separating the suspension of fine minerals, each cone-shaped rotor has a tubular sleeve attached to the knee of the tubular sleeve, a cylindrical shell with radial blades installed inside it for pre-tightening and separation of the initial suspension and on a larger base, while inside the rotor shne-
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    71475
    A collector of a heavy fraction with discharge openings is placed open from above in the direction of fractions movement, and the rotor wall and the bottom under the collector has discharge openings for the light fraction, with a centrifugal flow divider mounted on the end of the central shaft inside the central pipeline. a blade impeller.
    [2]
    2. A centrifuge according to claim 1, characterized in that a cone-shaped fairing is fixed on the bottom of each rotor in order to guide the light fraction to the discharge openings
    eight
    [3]
    3. A centrifuge according to claim 1, characterized in that the central shaft is provided with a drive to communicate oscillating reciprocating movement
    [4]
    4 about Centrifuge pop. 1, characterized in that each rotor is provided with a cone-shaped casing to form an annular gap between them, and the rotor wall has openings located between the turns of the screw for supplying a liquid or air to the inner surface.
    [5]
    5. A centrifuge according to claim 4, about which the casing has a height along its height with a flange for supplying air into the annular gap.
    FI.2
    Fig.Z
    21
    Phie. four
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    同族专利:
    公开号 | 公开日
    EP0163112B1|1989-10-04|
    CH665964A5|1988-06-30|
    PL253194A1|1986-02-11|
    AT46832T|1989-10-15|
    US4673491A|1987-06-16|
    EP0163112A3|1987-11-04|
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    PL143345B1|1988-02-29|
    DE3573375D1|1989-11-09|
    ZA853095B|1985-12-24|
    AU582576B2|1989-04-06|
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    AU4166385A|1985-11-07|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    US689572A|1901-07-02|1901-12-24|John Joseph Berrigan|Centrifugal machine.|
    US935311A|1908-12-04|1909-09-28|Oscar Max Kuchs|Centrifugal concentrator and glassifier.|
    US1861878A|1928-12-06|1932-06-07|Francisco A Quiroz|Separating apparatus|
    US2368876A|1941-07-17|1945-02-06|Enrique Puig Y Terradas|Continuous centrifugal separator|
    CH323083A|1952-09-30|1957-07-15|Basf Ag|Continuously working centrifuge|
    DE1133321B|1958-03-05|1962-07-19|Beteiligungs & Patentverw Gmbh|Process for separating a fine-grain mineral mixture according to the specific gravity and device for carrying out the process|
    DE1153688B|1959-09-09|1963-08-29|Thaelmann Schwermaschbau Veb|Centrifuge for dewatering granular material such as sand, coal or salt|
    US4052518A|1973-12-19|1977-10-04|Vasily Nikolaevich Borisov|Method for separating seed cover from endosperm of grain of various cereal crops|
    PL120195B1|1978-01-26|1982-02-27|Biuro Projektow Przemyslu Cukrowniczego "Cukroprojekt" Te Warschau|Continuously operating centrifuge|
    ZA821077B|1981-02-23|1983-04-27|Lowan Ltd|Apparatus for the separation of particles from a slurry|
    WO1982003654A1|1981-04-23|1982-10-28|Brownlie James|Integrated cutter,breaker and haulage drive gearcase|
    US4481020A|1982-06-10|1984-11-06|Trw Inc.|Liquid-gas separator apparatus|DE3707137C2|1986-07-31|1995-08-31|Erich Prof Dr Ing Fellensiek|Device for separating fine-grain batches in liquids|
    WO1999012651A1|1997-09-12|1999-03-18|The Board Of Trustees Of The Leland Stanford Junior University|Flow-through microcentrifuge|
    SE9802116D0|1998-06-15|1998-06-15|Alfa Laval Ab|decanter|
    US7491263B2|2004-04-05|2009-02-17|Technology Innovation, Llc|Storage assembly|
    AT503390B1|2006-03-30|2008-06-15|Erema|DEVICE FOR DRYING WET BREAKABLE GOOD, PREFERABLY OF PLASTIC PARTICLES|
    GB2446129B|2007-02-02|2009-06-10|Dynamic Extractions Ltd|Non-synchronous drive for centrifuges|
    NL1033612C1|2007-03-29|2008-09-30|M E Antonis Beheer B V|Device and method for separating a substance into two phases.|
    WO2015021283A1|2013-08-07|2015-02-12|Apd Holdings, Llc|Centrifuge feed accelerator with feed vanes|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    CH2129/84A|CH665964A5|1984-05-02|1984-05-02|Method and device for cutting spin of fine grained mineral mixtures.|
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