EP3930909A1 - Séparateur - Google Patents

Séparateur

Info

Publication number
EP3930909A1
EP3930909A1 EP19708441.1A EP19708441A EP3930909A1 EP 3930909 A1 EP3930909 A1 EP 3930909A1 EP 19708441 A EP19708441 A EP 19708441A EP 3930909 A1 EP3930909 A1 EP 3930909A1
Authority
EP
European Patent Office
Prior art keywords
drum
separator
bearing
housing
designed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP19708441.1A
Other languages
German (de)
English (en)
Other versions
EP3930909B1 (fr
Inventor
Rüdiger GÖHMANN
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GEA Mechanical Equipment GmbH
Original Assignee
GEA Mechanical Equipment GmbH
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.)
Filing date
Publication date
Application filed by GEA Mechanical Equipment GmbH filed Critical GEA Mechanical Equipment GmbH
Publication of EP3930909A1 publication Critical patent/EP3930909A1/fr
Application granted granted Critical
Publication of EP3930909B1 publication Critical patent/EP3930909B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04B—CENTRIFUGES
    • B04B9/00—Drives specially designed for centrifuges; Arrangement or disposition of transmission gearing; Suspending or balancing rotary bowls
    • B04B9/02—Electric motor drives
    • B04B9/04—Direct drive
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04B—CENTRIFUGES
    • B04B1/00—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles
    • B04B1/04—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with inserted separating walls
    • B04B1/08—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with inserted separating walls of conical shape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04B—CENTRIFUGES
    • B04B1/00—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles
    • B04B1/10—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with discharging outlets in the plane of the maximum diameter of the bowl
    • B04B1/12—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with discharging outlets in the plane of the maximum diameter of the bowl with continuous discharge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04B—CENTRIFUGES
    • B04B11/00—Feeding, charging, or discharging bowls
    • B04B11/02—Continuous feeding or discharging; Control arrangements therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04B—CENTRIFUGES
    • B04B15/00—Other accessories for centrifuges
    • B04B15/08—Other accessories for centrifuges for ventilating or producing a vacuum in the centrifuge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04B—CENTRIFUGES
    • B04B7/00—Elements of centrifuges
    • B04B7/02—Casings; Lids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04B—CENTRIFUGES
    • B04B9/00—Drives specially designed for centrifuges; Arrangement or disposition of transmission gearing; Suspending or balancing rotary bowls
    • B04B9/12—Suspending rotary bowls ; Bearings; Packings for bearings

Definitions

  • the invention relates to a separator according to the preamble of claim 1.
  • a generic separator for separating a flowable product into different phases which has a rotatable drum with a drum lower part and a drum upper part and a means arranged in the drum for processing a suspension in the centrifugal field of solids or solids.
  • a rotatable drum with a drum lower part and a drum upper part and a means arranged in the drum for processing a suspension in the centrifugal field of solids or solids.
  • a device for separating blood in two phases of different densities containing a magnetic drive device and a container which is set in a rotary movement about its own axis by the drive device, the container at least has an open end and in this at least one inlet, and wherein the container is mounted in a magnetically floating manner.
  • the problem is the unsatisfactory dissolution of the two phases that form during centrifugal separation from the open, cup-like rotor.
  • WO 2015/1 100501 A1 also proposes that the rotating container should be placed in a non-rotating container that surrounds the rotating container. of the housing, which is designed to be closed except for one inlet and two outlets.
  • a central feed pipe is led vertically from above into the rotating container, from which a first phase is in turn pumped vertically upwards with a kind of peeling element and the rotating container also has an overflow for a second at its vertically upper end Has phase, so that it flows into the surrounding non-rotating housing during operation, so that this fills during operation until the liquid phase also flows out of the stationary housing through an overflow to the outside.
  • This construction has the disadvantage that hardly any meaningful higher speeds can be achieved, since the inner - rotating - container rotates in the liquid that collects in the housing.
  • the invention aims to solve this problem.
  • the invention solves this problem by the subject matter of claim 1. It creates a separator for separating a flowable suspension in a centrifugal field into at least two flowable phases of different densities, which has at least the following:
  • a housing that is stationary during operation and is designed in the manner of a container with at least two openings
  • a storage and drive device which has at least two storage and / or drive units with which the drum can be kept in suspension within the housing, stored and / or set in rotation,
  • one of the bearing and / or drive units has a first magnetic bearing, which is at least designed to support the drum axially and to keep it suspended (at least during operation when the drum rotates),
  • At least one further of the bearing and / or drive units being designed to axially support the drum.
  • This separator is also very suitable for operation at higher speeds.
  • it can also be used for one-time processing - for example for centrifugal fugal separation of a product batch of a flowable suspension into different phases - used and then disposed of.
  • a particular advantage here is that, in addition to a lower axial bearing in the first vertical alignment of the axis of rotation, a further axial bearing is provided, for example at an opposite end of the drum or possibly also in the drum. Because this makes it possible that the axis of rotation of the drum can be arranged vertically but alternatively also advantageously inclined from the vertical. Any arrangement of the axis of rotation is possible. The axis of rotation can therefore be inclined from the original vertical at an angle of 0-180 °, e.g. B.
  • a first vertical alignment of the axis of rotation means that the position of the elements of the centrifuge can be or is realized in a vertical alignment of the axis of rotation as described. The axis of rotation can then practically also be aligned obliquely to the vertical alignment.
  • the two bearings and / or drive units are arranged axially offset from one another in the direction of the axis of rotation and that in a first vertical alignment of the axis of rotation, the lower and / or the upper of the two bearing and / or drive units is laid out to store the drum axially and to keep it in suspension. It is then preferably provided before that the second of the bearing devices is arranged in the first vertical alignment of the pivot point D above the first magnetic bearing. In addition, either the lower of the two storage and / or drive units can keep the drum in suspension or the upper or both storage and / or drive units can take on this task.
  • one and / or both of the bearing and / or drive units is / are designed and can be used to set the drum in rotation within the housing. It is particularly advantageous if both of the storage and / or Drive units are designed so that they can be used either individually or collectively for this drive.
  • the first of the bearing and / or drive units is designed as a combined bearing device which, in addition to an axial bearing, also effects a radial bearing of the drum.
  • the second or further of the bearings and / or drive units is designed as a combined bearing device which, in addition to an axial bearing, also effects a radial bearing of the drum. This combination can be implemented in different ways.
  • bearing and / or drive units each have a radial bearing and an axial bearing.
  • radial bearing and axial bearing should be viewed more functionally. They can be formed by two separate structural bearings or by a single bearing that combines the functions of axial bearings and radial bearings.
  • the at least one or both bearing devices which, in addition to a radial bearing, also effects an axial bearing of the drum, have a bearing acting at an angle to the axis of rotation D.
  • the separator can be designed as a clarifying device with which a suspension of solids can be clarified, wherein preferably only the clarified suspension can be derived from the drum and from the housing. It is also possible, however, for the separator to be designed as a separator with which a suspension can alternatively or additionally be separated into two flowable phases, both of which can be derived from the housing.
  • the housing has at least two openings, one of which is designed for a supply of a suspension to be processed in the centrifugal field and at least one for a discharge of a phase of the suspension processed in the centrifugal field. But it is also conceivable that the housing has just three openings or more than three openings.
  • the housing can otherwise be designed to be hermetically sealed.
  • the housing finally has three openings and is otherwise hermetically sealed. This makes it easier to create a separator which has the one-way components “drum” and “housing”, whereas at least parts of the bearing and drive device are reusable.
  • the housing also has at least one function opening, in particular for connecting a device which generates a vacuum.
  • the drum in the housing has at least one inlet and only a single outlet or several outlets.
  • the at least one of the bearing and / or drive units which in addition to a radial bearing also effects an axial bearing of the drum, can act permanently and / or electromagnetically.
  • it can also advantageously be provided that it acts like a slide bearing.
  • This variant of the invention can be implemented in a particularly cost-effective and structurally simple manner.
  • the plain bearing is particularly suitable for storage in a centrifuge that is only to be used once.
  • the inlet is designed as an inlet pipe which, when the axis of rotation is first aligned vertically, extends vertically from above in the direction of the center of the housing. It can also be provided that the two processes are aligned radially.
  • the sliding bearing is formed by a spike-like inlet pipe which is supported with a centering tip in a corresponding recess in the distributor base.
  • a particularly cost-effective bearing is implemented in which several functions - axial bearing, radial bearing, inlet function, are advantageously combined. the.
  • the axis of rotation of the drum can again be arranged inclined to the vertical.
  • the first liquid drain in the upper axial area - preferably at the upper axial end - and the second liquid drain in the lower axial area of the drum - preferably se at the lower axial end of a cylindrical portion of the drum - is asbil det.
  • these processes can also both be formed at a common end of the drum.
  • a further - preferably then a third - of the bearing and / or drive units is designed to radially support the drum in a first vertical alignment and to set it in rotation.
  • one or more seals are arranged between the drum and the housing, in particular in the area of one or more drains. In this way, for example, mixing of the liquid phases to be discharged can be reliably avoided if two or both drainage openings are axially adjacent to one another or close to one another, e.g. are arranged at the upper axial end of the drum.
  • a separator can be created according to the main claim and according to one or more of the subclaims, in which the drum and the housing are designed as disposable separators and which, after a single use, manure can be disposed of, wherein the at least two bearing and / or drive units are designed to be removable and reusable on the outside of the housing.
  • the invention thus also creates a use of a separator according to claim 27 as a disposable separator which can be disposed of after a single use, the at least two bearing and / or drive units being or being removed beforehand from the outside of the housing.
  • FIG. 1 a schematic representation of a first centrifuge
  • FIG. 2 a schematic representation of a centrifuge according to the invention
  • FIG. 3 a schematic representation of an embodiment variant of the centrifuge according to FIG. 2;
  • FIG. 4 a schematic representation of an embodiment variant of the centrifuge according to FIG. 3;
  • Figure 5 a schematic representation of a further invention
  • FIG. 6 a schematic representation of a centrifuge according to the invention.
  • a centrifuge 1 according to the prior art (see FIG. 1) has a housing 10 which is stationary during operation.
  • This housing 10 is preferably made of a plastic or a plastic composite material.
  • the housing 10 here has a lower cylindrical section 101 and an upper conical section 102.
  • the lower cylindrical section can in turn be divided into cylindrical areas of different diameters.
  • the housing 10 is designed in the manner of a container which is advantageously designed to be hermetically sealed apart from three openings (to be discussed below). These openings are an inlet opening 103 and two outlets 104, 105.
  • the inlet opening 103 is penetrated by an inlet pipe 106 that extends vertically from above in the direction of the center of the housing 10.
  • the two outlets 104, 105 extend here essentially radially.
  • the first drain 104 is here in the upper - here conical - section 102 of the hous ses 10 is formed. It is preferably formed directly on the upper end of the housing 10.
  • the second outlet 105 is here in the cylindrical lower section 101 here, here in the vertically lower end of a region of the cylindrical section 101 of the housing 10.
  • Annular spaces 107, 108 of the housing are connected upstream of the outlets 104, 105.
  • the processes enable liquid to flow out of the annular spaces 107, 108 during operation of the then rotating drum 20.
  • the significance and the advantageous effect of these annular spaces 107, 108 will be explained further below.
  • the outlets 104, 105 of the housing are designed here as nozzles leading radially out of the housing 10, to which lines, in particular hoses or the like (not shown here), can be connected.
  • the inflows and outflows are preferably one inlet and several outlet lines, in particular drain pipes or hoses, are connected.
  • a rotatable drum 20 with an imaginary “ideal” axis of rotation D which is a vertical axis of rotation, is arranged within the housing 10.
  • the real axis of rotation deviates from this "ideal axis of rotation" D due to precession movements.
  • the drum 20 and its components consist entirely or at least for the most part (ideally except for magnets to be explained) also made of a plastic or a plastic composite material.
  • the drum 20 here also has a lower cylindrical section 201 and an upper conical section 202.
  • the inlet pipe 106 of the housing is at a standstill during operation. It extends here vertically from above through the inlet openings of the housing 10 into the drum 20 and into a distributor pipe 203 of the distributor 204 of the drum 20 which is concentric with the inlet pipe.
  • a bearing device 310 can be formed between the inlet pipe 106, which does not rotate during operation, and the rotating distribution pipe 203 of the drum 20.
  • This bearing device 310 is designed as a radial bearing 311 that is preferably designed as a magnetic bearing here, which is intended to stabilize the drum 20 at its upper end during operation.
  • This radial magnetic bearing 31 1 at the upper end of the drum 20 - also called the drum head - reduces possible pendulum movements of the drum 2 in a simple manner. For example, it has corresponding magnets distributed circumferentially around the inlet pipe 106 and in the distributor pipe 203 which are arranged radially to each other at defined intervals and interact like magnetic bearings.
  • the distributor pipe 203 of the distributor 204 opens downward into radial distributor ducts 205 which lead into a separation chamber or centrifugal chamber 206.
  • a clarifying agent such as a plate pack 207 can be arranged in this separating space 206.
  • the distributor 204 can have a distributor base 205a, which in turn has a lower cylindrical Rischen approach 205b has the axially downward from the drum 20, in particular special from the cylindrical portion 201 protrudes.
  • a suspension S to be processed which is passed through the feed pipe 106 into the drum 20, is separated into at least two flowable phases LP and HP of different densities by centrifugal force when the drum 20 is driven in rotation.
  • the lower density phase LP flows radially inward in the separation space 206 and is there via a first discharge channel 208 upward into the radial discharge line 209 and is ejected through this radially out of the rotating drum into the first annular space 107.
  • the phase LP leaves the drum on a radius ro. From there it flows - in a circling manner in the annular space due to its pulse - through the upper discharge line 104 from the housing 10.
  • the phase HP of greater density flows radially outward in the separation space 206 and is directed downwards via a separating plate or a ring weir 210 into a second discharge channel 21 1 below the ring weir 210 here initially radially inward and out of this radially out of the rotating drum 20 ejected into the second lower annulus 108.
  • this second liquid phase of greater density flows - in a circling manner in the annular space 108 due to its momentum - through the second lower discharge line 105 from the housing 10.
  • the phase HP leaves the drum on a radius ru.
  • the radius of the separation zone between the two phases within the plate package can be adjusted and the flow rates of the individual phases can be regulated.
  • the radius ru is changed in a simple manner by a diaphragm (not shown here).
  • the housing 10 and the drum 20 are spaced apart from one another by an air gap LS.
  • the air gap LS is not filled in this area with one of the phases HP, LP to be derived.
  • the gas pressure in this air gap can be reduced by a vacuum device. This lowers the air friction of the rotating drum and thus reduces the drive energy required for the drum.
  • the vacuum device can be connected, for example, in the lower section 101 of the housing 10 (not shown).
  • the air which is located in the air gap (LS) can be replaced by a gas which has a lower density than air, e.g. Helium.
  • a corresponding gas supply can e.g. are connected in the lower portion 101 of the housing 10 (not shown).
  • the drum 20 is held within the housing 10 by a Lager- and Antriebsvor device 30 in suspension and set in rotation.
  • the storage and drive device 30 can have one or more storage and / or drive units that can work according to an electromagnetic or permanent magnetic operating principle.
  • the preferably comprises at least two or three of these storage and / or drive units.
  • the bearing and drive device 30 can have the above-described upper bearing device 310 as a bearing and / or drive unit.
  • the bearing and drive device 30 can furthermore have a lower, axially acting bearing device 320 as bearing and / or drive units.
  • This lower axially acting bearing device 320 also serves to keep the drum 20 in suspension axially within the housing 10 by levitation. It can have first magnets 321 on an abutment, for example on the underside of the housing or on a stator 331 below the housing 10. In addition, the axially acting bearing device 320 can have second magnets 322 arranged axially above the first magnet 321 and spaced apart therefrom in the lower region, in particular in the lower region of the drum 20.
  • first and / or second magnets 321, 322 can be designed as suitably aligned or polarized permanent magnets in such a way that the drum 1 can be kept in suspension axially during rotating operation.
  • These magnets 321, 322 can be arranged circumferentially or suitably circumferentially distributed on two vertically aligned circles of the same diameter, in such a way that their effect ensures that the drum 20 is held in suspension within the housing in an axially magnetically levitating manner.
  • Electromagnets including a suitable control device (not shown here) can also be used for the function of the first magnets 321.
  • the bearing and drive device 30 can also have an electric motor 330, the rotor magnet 332 of which is formed on the drum 20 and the stator 331 and stator magnet 333 of which are formed outside the housing 10.
  • the drum is centered by suitably controlling the stator magnets 333.
  • Such storage and drive devices or their storage and drive units are manufactured by Levitronix e.g. used for driving centrifugal pumps (EP2273124B1).
  • the drum 20 rotates. In doing so, it is held in suspension axially and centered radially.
  • the drum 20 is preferably operated at a speed of between 1,000 and 20,000 revolutions per minute. The forces arising due to the rotation lead to the above-described separation of a suspension to be processed into various flowable phases and their discharge, as already described in detail above.
  • separator and housing O which, apart from the drive system and parts of the storage, can be designed for single use, which in turn is particularly useful for processing pharmaceutical products such as fermentation broths or the like
  • the interest and advantage is that after the operation to process a corresponding batch of product in the preferably continuous operation during the processing of the batch of product, no cleaning of the drum has to be carried out, but the separator and housing can be replaced as a whole. Possibly. individual elements such as magnets can be recycled appropriately.
  • At least one of the bearing and / or drive units of the drum 20 of the centrifuge 1 according to the invention according to FIG. 2 here has at least one bearing device 310 which is designed in such a way that, in addition to a radial bearing, it also effects an axial bearing.
  • the bearing device 310 can have a radial bearing 31 1 and an axial bearing 312 as shown. As shown, these can both be designed as magnetic bearings. Alternatively, it is conceivable to design it as a slide bearing (see, for example, FIG. 3).
  • a bearing and / or drive unit, each with a bearing device and optionally a drive unit, can also be provided above and below the drum, which in addition to a radial bearing also effect an axial bearing and optionally optionally individually or jointly also for (rotation -) Drive is / are usable. Then the drum 10 can ent neither above or below or at one of its ends or at both ends are driven ben.
  • the two bearing and / or drive units can also be constructed identically, which is very advantageous.
  • a control device not shown here, can be used for control.
  • the bearing device 310 - here at the upper end of the drum 20 in the first vertical orientation - also called the drum head - in a simple manner reduces possible pendulum movements of the drum 2 in the radial direction.
  • the radial bearing 31 1 designed as a magnetic bearing has here corresponding de magnets distributed circumferentially around the inlet pipe 106 and in or on the distributor pipe 203, which are radially spaced and interact like magnetic bearings.
  • the axial bearing 312 designed as a magnetic bearing has magnets coaxial with the inlet pipe 106 and circumferentially distributed around the inlet pipe 106, which magnetlagerar term are arranged between the drum head of the rotating drum 20 and the housing 10 and act in the axial direction.
  • the axis of rotation D of the drum 20 can advantageously be arranged inclined from the vertical, even if a first vertical orientation is shown in FIG. 2, which can of course also be implemented.
  • the axis of rotation D can thus e.g. be inclined at an angle of 45 ° from the vertical or also run horizontally - so be inclined by 90 ° to the vertical.
  • a hanging arrangement of the drum 20 is also conceivable, so that the axis of rotation D is inclined by 180 ° to the arrangement in FIG. 2 without this resulting in storage problems of the drum 20. This would be a second vertical alignment of the axis of rotation that can be implemented.
  • One of the bearing and / or drive units of the drum 20 of the inventive centrifuge 1 of the variant according to FIG. 3 has a bearing acting obliquely to the axis of rotation D as the bearing device 310, which in addition to the radial bearing 31 1 also effects an axial bearing 312 of the drum 20 315 on.
  • the oblique to the axis of rotation D we kende bearing 315 is designed as a plain bearing 315.
  • the plain bearing 315 is formed by a centering tip 110 of a mandrel-like inlet pipe 106 and a recess 212 corresponding to the centering tip 110, which forms the distributor base 205a and in which the centering tip 110 is supported. Due to its geometric design, the plain bearing 315 can absorb both radial forces and axial forces. A combined radial bearing 31 1 and axial bearing 312 is thus formed.
  • a connection to the plate assembly 207 is created in the inlet pipe 106 through a radial opening 11 1 - here designed as a bore.
  • the axis of rotation D of the drum 20 can advantageously be arranged inclined from the first vertical as shown in FIG. Any arrangement of the axis of rotation D is possible.
  • the axis of rotation D can in turn be aligned obliquely or inclined to the first vertical as it were. It can, for example, be inclined at an angle of 45 ° from the vertical or also extend horizontally - that is, inclined by 90 ° to the vertical.
  • a hanging arrangement of the drum 20 is also possible, so that the axis of rotation D is inclined by 180 ° to the arrangement in FIG. 3 in a second vertical, without this resulting in storage problems for the drum 20.
  • the design variant of the centrifuge 1 in FIG. 4 can correspond to the design variant according to FIG. 3 with regard to the design of the bearing and drive device 30 of the drum 20.
  • the variant of the centrifuge 1 according to FIG. 4 has a drum 20 in which, in the illustrated first vertical alignment of the axis of rotation D, the drain 105 of the heavier phase in the area at the upper ver vertical end of the drum or in the area of the drum head is arranged.
  • the drain 105 of the heavier phase is aligned radially. It is here axially below the drain 104 of the lighter phase.
  • the phases to be separated are directed to these processes accordingly.
  • the heavy phase is directed to the outlet 105 via a separating plate 213 and the lighter phase is directed radially further inward to its outlet 104.
  • the outlets 104, 105 are in turn annular spaces 107, 108 of the Ge housing.
  • the processes enable liquid to drain out of the annular spaces 107, 108 when the drum 20 is then rotating.
  • one or more seals 109 can be provided between the drum 10 and the housing 20.
  • two radially acting seals 109 a and b seal in the air, splitting an axially upper outer area of the drum 10 against the axially upper inner area of the housing 20.
  • Another, axially acting seal 109c seals an axially upper wall or other limitation of the drum 10 against an axially upper wall of the housing 20.
  • the seal (s) 109 is / are here preferably designed as a mechanical seal. Alternatively, other seals such as e.g. O-ring seals are used.
  • the separator is designed as a clarifying device with which a solid-laden liquid - a suspension - of solids can be clarified.
  • the inlet pipe 106 extends through the upper opening 103 of the housing through an upper opening in the drum and into the drum 20.
  • the suspension is in turn fed through the distribution channels 205 into the separation space 206.
  • the solids of the suspension separate from a suspension to be clarified. They collect in the drum 20 in the area of the largest inner diameter or inner radius and accumulate there. If necessary, they form a ring of solids on the inside of the drum wall.
  • the liquid phase clarified in this way flows inwards and then upwards out of the drum 20.
  • the solids are not drained off, but remain in the drum and are disposed of with it after a corresponding batch of product has been processed. In this way, for example, a liquid cannot be cleaned of metal.
  • the drum 20 has only a single upper opening from which both the inlet pipe 106 and a concentric distributor pipe 203 protrude.
  • the outlet 209 is between the outer circumference of an upper section of one of the distributor pipe 203 and the inner circumference of the upper end of the drum 20th educated. From there, the cleaned liquid flows into an annular space 107 and from there radially outward from the housing through the outlet 104. A hose or the like can be placed on this.
  • An advantageous single use separator is also created in this way.
  • the separator is here, for example, otherwise - in particular with regard to the bearing and / or drive device - constructed in the manner of the separator in FIG. 3, but can also be constructed differently, as in the manner in FIG. 1 or 2.
  • the separator of FIG. 6 is similar to that of FIG. 5, but is designed as a separator.
  • a heavy phase - for example a solid phase or a liquid phase - can also be diverted from the drum.
  • the drum has two or more solids discharge nozzles 214 on its outer circumference, which penetrate the drum wall distributed around the circumference in the area of the largest inner diameter of drum 20 (radially or obliquely to the radial).
  • the solids or another heavy phase do not accumulate outside of the drum, but are pushed out of the drum by the Solid discharge nozzle . They collect in such a way on the inner wall of the Ge housing, for example in an annular space / annular channel 1 12 and rotate there and who passed through a discharge and opening 1 13 of the housing from the housing 10 or on the housing in a ring tank or the like Housing collects (not shown here).
  • the separator is designed as a separating device with which a sus pension can be separated into two flowable phases or a flowable phase and a solid phase, these phases being able to be led out of the housing individually.
  • the term separating device here also refers to the fact that the separated phases can be derived separately from the drum and from the housing.
  • the housing 10 has only two openings for at least one inlet and at least one outlet. According to Fig. 3, however, it is seen that the housing has only three openings for at least one inlet and at least two outlet lines. In this case, however, the housing could alternatively also have at least one further functional opening, an opening for connecting a device generating a vacuum or negative pressure or for introducing an inert gas or the like (not shown in each case).
  • Distribution base 205a
  • Stator 331 second magnets 322 electric motor 330

Landscapes

  • Centrifugal Separators (AREA)

Abstract

L'invention concerne un séparateur (1) conçu pour séparer une suspension (S) fluide, dans un champ centrifuge, en au moins deux phases fluides (LP, HP) de différente densité, présentant les caractéristiques suivantes : a) un logement (10) stationnaire pendant le fonctionnement, qui se présente sous la forme d'un contenant comportant au moins deux ouvertures ; b) un tambour (20) présentant un axe de rotation (D), qui est agencé dans le logement (10), effectue un mouvement rotatif autour d'un axe de rotation et comporte au moins une ouverture ; c) un interstice étant formé, au moins sur certaines parties, ou de manière continue, entre le tambour (20) et le logement (10) ; d) un dispositif de support et d'entraînement (30) qui comporte au moins deux unités de support et d'entraînement permettant de maintenir le tambour (20) en suspens dans le logement (10), d'assurer son montage et/ou de l'animer d'un mouvement de rotation ; e) une des unités de support et d'entraînement se présente sous la forme d'un premier palier magnétique conçu pour assurer le montage axial du tambour (20) et le maintenir en suspens ; f) au moins une autre des unités de support et d'entraînement étant conçue pour assurer le montage axial du tambour (20).
EP19708441.1A 2019-02-26 2019-02-26 Séparateur Active EP3930909B1 (fr)

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WO2020173545A1 (fr) 2020-09-03
JP2022521124A (ja) 2022-04-06
WO2020173578A1 (fr) 2020-09-03
JP2022528217A (ja) 2022-06-09
US20220152631A1 (en) 2022-05-19
KR102685054B1 (ko) 2024-07-16
CN113365735A (zh) 2021-09-07
KR20210129182A (ko) 2021-10-27
CA3123698A1 (fr) 2020-09-03
CN113453803A (zh) 2021-09-28
KR20210126550A (ko) 2021-10-20
US20220134357A1 (en) 2022-05-05
EP3930910A1 (fr) 2022-01-05
MX2021009148A (es) 2021-09-10
BR112021011535A2 (pt) 2021-08-31
JP7361123B2 (ja) 2023-10-13
JP7299983B2 (ja) 2023-06-28
SG11202108236TA (en) 2021-09-29
EP3930909B1 (fr) 2024-09-18
KR102650703B1 (ko) 2024-03-22

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