WO2016207318A1 - Dispositif de séparation - Google Patents

Dispositif de séparation Download PDF

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Publication number
WO2016207318A1
WO2016207318A1 PCT/EP2016/064619 EP2016064619W WO2016207318A1 WO 2016207318 A1 WO2016207318 A1 WO 2016207318A1 EP 2016064619 W EP2016064619 W EP 2016064619W WO 2016207318 A1 WO2016207318 A1 WO 2016207318A1
Authority
WO
WIPO (PCT)
Prior art keywords
housing
separating device
separation
housing halves
separating
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.)
Ceased
Application number
PCT/EP2016/064619
Other languages
German (de)
English (en)
Inventor
Simon Buck
Holger Coolens
Stefan Dwenger
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.)
ElringKlinger AG
Original Assignee
ElringKlinger AG
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 ElringKlinger AG filed Critical ElringKlinger AG
Publication of WO2016207318A1 publication Critical patent/WO2016207318A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • B04B5/00—Other centrifuges
    • B04B5/12—Centrifuges in which rotors other than bowls generate centrifugal effects in stationary containers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M13/00—Crankcase ventilating or breathing
    • F01M13/04—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04B—CENTRIFUGES
    • B04B5/00—Other centrifuges
    • B04B5/12—Centrifuges in which rotors other than bowls generate centrifugal effects in stationary containers
    • B04B2005/125—Centrifuges in which rotors other than bowls generate centrifugal effects in stationary containers the rotors comprising separating walls
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M13/00—Crankcase ventilating or breathing
    • F01M13/04—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
    • F01M2013/0422—Separating oil and gas with a centrifuge device

Definitions

  • the present invention relates to a separation device, in particular for separating a liquid from a crude gas stream.
  • oil can be separated from an oil-mist-containing gas stream by means of such a separation device.
  • Separating devices are known for example from DE 10 2012 104 598 AI, DE 199 14 166 AI, DE 699 06 019 T2, DE 103 50 562 AI and DE 10 2013 207 058 AI.
  • the present invention has for its object to provide a separation device, which is simple and inexpensive to produce.
  • the separation device comprises the following:
  • a separation unit which is rotatably arranged or arrangeable in the separation space of the housing
  • the housing comprises two housing halves surrounding the separation space, which are connected to one another or connectable along a sectional area running parallel or obliquely to an axis of rotation of the separation unit, at least in sections.
  • a cut surface is an area along which the housing is split or divisible (cut or cuttable) to form the two housing halves.
  • a cutting surface is provided, which at least partially parallel or obliquely to the axis of rotation of the
  • Separating unit runs, the housing and thus the entire separation device can be made easily and with little effort.
  • additional functions such as a bearing function for receiving the separation unit, can be easily integrated into the housing.
  • the separation chamber is at least approximately cylindrical.
  • the cut surface intersects both a lateral surface of the cylindrical separation space and one or both base surfaces of the separation space.
  • a sectional area preferably comprises two, three or more than three partial planes.
  • Separating unit are aligned.
  • one, two, three or more than three partial planes are aligned obliquely to the axis of rotation of the separation unit.
  • sectional area comprises two, three or more than three partial sectional planes running parallel to one another.
  • the sectional area comprises two, three or more than three partial planes extending perpendicular to each other.
  • the cut surface can comprise two, three or more than three partial cut planes extending at an angle to one another.
  • the auxiliary plane is preferably aligned parallel to the axis of rotation of the separation unit.
  • the cut surface is formed exclusively of partial section planes.
  • the cut surface comprises one, two or more partial cut surfaces which are curved, bent or otherwise shaped.
  • Such a partial sectional area preferably has one or more of the features which are described in connection with a partial sectional plane.
  • the sectional area comprises one, two, three or more than three partial planes which intersect the housing in the region of the separation space.
  • the sectional area comprises one, two, three or more than three partial planes which intersect the housing outside of the separation space.
  • the sectional area comprises a partial sectional plane which intersects a lateral surface and both base surfaces of the separating chamber, and a partial sectional plane which intersects the housing outside the separating chamber.
  • the sectional area comprises two partial sectional planes, wherein a partial sectional plane exclusively comprises one partial plane
  • the sectional area comprises three partial planes which intersect the housing in a substantially Z-shaped manner.
  • two partial sectional planes preferably each intersect one base surface of the separation space, while the further partial section plane preferably only intersects the lateral surface of the separation space.
  • Housing one or more bearings for storage of the separation unit comprises.
  • One or more bearings are preferably each partially, in particular half, by one of the two housing halves and sections, in particular half, by the other of the two
  • the housing comprises one or two or three bearing points, which are formed in sections, in particular in half, through one and through the other housing half.
  • a split bearing seat of a bearing can thereby be formed.
  • a bearing point preferably comprises an annular or partially annular, in particular semi-annular, recess for receiving a bearing element.
  • a completely annular recess for receiving a bearing element is formed by means of two partially annular, in particular semi-annular depressions in both housing halves.
  • the annular recess is preferably provided on one or both sides with an annular, radially inwardly projecting projection, so that in particular a bearing element received in the recess is secured against axial displacement.
  • the housing comprises one or more bearing points for mounting the separation unit, which are completely formed by a housing half.
  • the separation device comprises two bearing points, wherein a bearing point is completely formed by one of the two housing halves and a further bearing completely by the other of the two housing halves.
  • the housing halves each have a contact surface.
  • the housing halves are preferably by means of their respective contact surface directly against one another or adjacent to each other. - -
  • the contact surfaces extend in the assembled state of the housing preferably in the cut surface.
  • the housing halves are preferably flat against each other and / or sealing against each other or adjacent fitting.
  • housing halves are welded or screwed together.
  • a connection by means of screws and nuts or self-tapping screw can be provided.
  • a welded connection for example by means of hot gas welding and / or laser welding, may be provided.
  • a seal and / or sealing material in particular an elastomeric molded gasket, a gasket or silicone, introduced or introduced.
  • the housing halves have a tongue and groove connection and / or a pin connection in the area of the contact surfaces.
  • Housing comprises one or more drainage channels, which are in particular formed by recesses or recesses in or adjacent to one of the respective other housing half facing contact surface of one or both housing halves.
  • An adjacent arrangement is to be understood in particular as an immediate adjacency. - -
  • the recess or recess in the housing half is formed by suitable shaping of the housing half in the production thereof or by subsequent machining of the housing half.
  • Drainage channels are integrated in the one housing half or in both housing halves.
  • the contact surfaces of the two housing halves are at least approximately mirror-symmetrical to each other with respect to the cut surface.
  • the contact surfaces of the two housing halves are complementary to each other.
  • the separation device preferably comprises a stack of flow elements.
  • the stack of flow elements is part of
  • the stack of flow elements can be introduced together with a shaft for receiving the stack of flow elements and one or more bearing elements as a preassembled structural unit between the housing halves.
  • the stack of flow elements can be inserted, clamped and / or pressed together with a shaft for receiving the stack of flow elements and one or more bearing elements as a preassembled structural unit between the housing halves.
  • housing half is to be understood in this specification and the appended claims as meaning that the housing is divided into two and thus comprises the two housing halves. A size or dimension specification is not connected herewith. Rather, the housing halves can be dimensioned differently.
  • housing halves for example, in each case half surround or form the separation chamber.
  • the housing has an annular projection which is dressed on an end plate element of a stack of flow elements.
  • the annular projection projects in particular in the radial direction inwards and / or in the axial direction in the direction of the end plate element of the stack of flow elements.
  • the radial direction and the axial direction are based on the axis of rotation of the stack of flow elements.
  • the housing comprises two such annular projections, wherein preferably one projection is provided in each case for one end plate element of a stack of flow elements.
  • annular dynamic gap seal is preferably formed.
  • a gap between the projection and the end plate member is preferably less than about 1.5 mm, more preferably less than about 1 mm, for example, at most about 0.5 mm. - -
  • the separation device comprises two annular dynamic gap seals, which are formed by means of a respective projection and an end plate member of the stack of flow elements.
  • the separation device comprises a drive space or return space through which the liquid deposited by means of the separation device is removed from the separation device.
  • the separated liquid is preferably passed through a bearing element from the separation space into the drive space or return space.
  • a housing half, in particular only one housing half, of the deposition device is designed as a plastic component.
  • both housing halves of the housing of the separation device are designed as plastic components.
  • a plastic component is an injection-molded plastic component.
  • a plastic component is preferably formed in one piece.
  • connection piece for raw gas supply a connection piece for raw gas supply
  • Connecting piece for clean gas discharge, a drive nozzle, a nozzle receptacle for receiving a drive nozzle and / or a mounting flange for fixing the separation device to a raw gas producing device comprises.
  • a housing half a housing half a
  • a nozzle receptacle for receiving - - Includes a drive nozzle and a mounting flange, while the other housing half includes only a connecting piece for clean gas discharge.
  • a housing half comprises only a nozzle receptacle for receiving a drive nozzle, while the other housing half the connection piece for raw gas supply, the
  • Connecting piece for clean gas discharge and the mounting flange includes.
  • a housing half comprises a connection piece for Rohgaszu Entry and a connecting piece for clean gas discharge, while the other
  • Case half includes the nozzle holder and the mounting flange.
  • Connecting piece to the raw gas supply and the mounting flange includes, while the other housing half includes the connection piece for clean gas discharge and the nozzle holder.
  • the two housing halves comprise a positioning aid for the correct positioning of the two housing halves relative to one another during the assembly of the separation device.
  • a positioning aid can be, for example, a tongue and groove connection.
  • a positioning aid is formed by one or more positioning pins and receptacles designed to be complementary thereto.
  • At least one of the two housing halves preferably comprises a plurality of mutually transverse stiffening ribs. - -
  • Cutting lines along which the stiffening ribs adjoin one another are preferably aligned parallel to the connecting direction.
  • both housing halves comprise such stiffening ribs.
  • the separating device preferably comprises a functional component, which comprises a shaft for receiving the stack of flow elements and / or a drive element, in particular a drive turbine.
  • the functional component is designed for example as a plastic injection-molded component and in particular in one piece.
  • a shaft for receiving the stack of flow elements is preferably rotatably mounted directly on the housing of the separation device by means of one or more bearing elements, in particular ball bearings.
  • the separating device comprises a jet device, by means of which a fluid jet can be directed to a drive element for driving the stack of flow elements.
  • the drive element is preferably set in rotation.
  • the shaft for receiving the stack of flow elements together with the entire stack of flow elements in rotation can be set.
  • the drive fluid is for example an engine oil from an oil circuit of an internal combustion engine.
  • the separation device is particularly suitable for use in an internal combustion engine or in combination with an internal combustion engine. - -
  • oil can be separated from a gas stream by means of the separating device, which is discharged, for example, from a crankcase of the internal combustion engine.
  • the separation device comprises one or more drainage channels integrated in one or both housing parts.
  • One or more drainage channels are preferably used for the removal of separated liquid from a, in particular annular, collecting channel of the separation device.
  • the collecting channel is preferably formed radially outwardly through the lateral surface of the separation chamber. Further, the collection channel is preferably bounded radially inwardly by a projection which forms a dynamic gap seal in particular together with an end plate element of the stack of flow elements.
  • the collecting channel is in particular an annular collecting channel.
  • one or more float valves and / or one or more check valves, in the housing, in particular one or both housing halves, are integrated.
  • one or more float valves and / or one or more non-return valves are provided in a drainage channel or in a plurality of drainage channels in order to avoid an undesired backflow of separated liquid.
  • one or more bearing points are provided with one or more rubber elements, in particular in order to achieve an acoustic decoupling.
  • the cut surface preferably extends outside of the connecting piece for raw gas supply, outside the connecting piece for clean gas discharge, outside the nozzle holder for receiving a drive nozzle and / or outside of a mounting flange for fixing the separation device to a raw gas producing device.
  • the connecting piece for raw gas supply, the connecting piece for clean gas discharge, the nozzle holder and / or the mounting flange are preferably formed undivided and / or completely arranged in one piece on one of the two housing halves.
  • a connecting piece for raw gas supply, a connecting piece for clean gas discharge, a nozzle receptacle for receiving a drive nozzle and / or a mounting flange for fixing the separation device to a raw gas producing device are arranged in a region of the housing, which is arranged outside all partial section planes However, would be cut at an extension of one or more partial section planes of the same or the same.
  • a connecting piece for supplying raw gas is arranged coaxially to a rotation axis of the separation unit, in particular of the stack of flow elements, and that a partial section plane in which the rotation axis extends ends in front of the connection piece.
  • the connecting piece for the raw gas supply and the separation chamber are preferably fluidly connected to one another by means of one or more bypass lines, so that supplied raw gas can be guided past a bearing point for mounting the separation unit.
  • one housing half or both housing halves comprise one or more fastening points, in particular screw-on points, for fixing the housing halves to one another and / or for determining the deposition angle.
  • fastening points in particular screw-on points
  • One or more attachment points differ from a mounting flange in particular in that the mounting flange in addition to the attachment for fluid removal, in particular liquid removal, is used, while the attachment points are preferably used exclusively for attachment.
  • Separating device comprises a drive device in which a fluid jet is used to drive the separation unit.
  • the separation device comprises a motor device for driving the separation unit.
  • the engine device may include, for example, an electric motor.
  • the motor device may be, for example, by means of a fferflansches, a clamping device and / or a bayonet lock on the
  • the engine device and the separation unit are preferably coupled or coupled to one another by means of a coupling, in particular a plug-in coupling, an Oldham coupling, etc.
  • a raw gas supply can be provided, for example, with respect to the axis of rotation of the separation unit in the axial direction or also perpendicular thereto. - -
  • a Rohgasab Insertion is preferably carried out in parallel, in particular offset parallel to the axis of rotation of the separation unit.
  • At least one bearing point of the housing comprises an additional element, for example an insert element.
  • the additional element, in particular the insert element can be introduced, for example, in the production of one or both housing halves or arranged subsequently.
  • the additional element, in particular the insert element can be encapsulated with plastic or pressed into the plastic.
  • the additional element is for example a half bearing shell.
  • An additional element may for example be formed from a metallic material and / or from a plastic material or comprise a metal material and / or a plastic material.
  • a bearing point comprises an angular bearing receptacle, in particular half bearing cup receptacle.
  • a bearing receptacle may be designed in particular as a polygonal pull.
  • angular bearing receptacle is in particular a bearing receptacle to be understood in such a way that a polygonal outer contour, for example a hexagonal or octagonal outer contour, is provided in a circumferential direction instead of a cylindrical outer contour.
  • Case half includes an integrated drive nozzle.
  • the drive nozzle can be made integral, in particular, in the manufacture of the housing half.
  • a reinforced plastic material may be provided for integral formation of the drive nozzle as part of the housing half.
  • the drive nozzle can be formed in particular by shaping the housing half.
  • the drive nozzle is integrated, in particular encapsulated, in the production of the housing half.
  • valve cover for example, part of a valve cover or cylinder head cover of an internal combustion engine is.
  • Cylinder head cover are formed in particular by a one-piece component, for example, formed as a one-piece plastic injection-molded component.
  • a wall section of the housing surrounding the separation space separates the separation space from a valve space or cylinder head space in an assembled state of the separation device.
  • valve space or cylinder head space is in particular one of the
  • Valve cover or cylinder head cover surrounded and / or covered space of the engine.
  • Fig. 1 is a schematic sectional view of a first embodiment of a separation device, which comprises a stack of identical flow elements;
  • FIG. 2 shows a schematic perspective, partially cutaway view of two flow elements of the separating device from FIG. 1;
  • FIG. 3 shows an enlarged schematic cross section through the flow elements from FIG. 2;
  • FIG. 4 shows a schematic cross section through the separating device corresponding to FIG. 1 for illustrating the mode of operation of the separating device;
  • FIG. - - A schematic perspective view of a second embodiment of a separation device; a schematic plan view of the separating device of FIG. 5 looking in the direction of arrow 6 in FIG. 5; a schematic section through the separating device of Figure 5 along the line 7-7 in Fig. 6.
  • FIG. 5 a schematic perspective view of the separation device of FIG. 5 without the housing half of Fig. 10; a schematic side view of a third embodiment of a separation device, in which two obliquely to an axis of rotation of a separation unit of the deposition device aligned partial section planes are provided; - -
  • FIG. 15 shows a schematic side view of a fourth embodiment of a separation device, in which a partial section plane oriented obliquely to the axis of rotation of a separation unit of the separation device and a partial section plane oriented perpendicular to the rotation axis of the separation unit of the separation device are provided;
  • FIG. 16 shows a schematic side view of a fifth embodiment of a separating device in which two partial planes aligned parallel to the axis of rotation of a separating unit of the separating device and one partial plane oriented obliquely to the axis of rotation are provided.
  • 1 to 4 designated as a whole with 100 separating device is used for example for the separation of aerosol in the machining of material in mechanical engineering and / or for the separation of oil mist from a gas stream.
  • the separation device 100 is used in particular for separating oil mist from blow-by gases of an internal combustion engine.
  • the separation device 100 comprises a housing 102 which surrounds an interior 104 of the separation device 100.
  • the housing 102 is formed, for example, in two parts, so that the inner space 104 is easily accessible, in particular for mounting the separation device 100.
  • the two parts of the housing 102 are in particular for easy mounting of the separating device 100 in a respective edge region 106 by means of a - -
  • screw connection and / or welded joint in particular by a friction welding method (for example, a vibration, rotation or ultrasonic welding method), a laser welding method or a hot gas welding method, connected together.
  • a friction welding method for example, a vibration, rotation or ultrasonic welding method
  • a laser welding method for example, a laser welding method or a hot gas welding method
  • Housing 102 preferably prevents unwanted leakage of gas and / or liquid from the interior 104 of the separation device 100 in the assembled state of the separation device 100.
  • the interior 104 of the separation device 100 is in particular in
  • the flow elements 112 are substantially disc-shaped and each have an example circular central opening 114.
  • a central channel 116 is formed in the stack 110 of flow elements 112.
  • the central channel 116 is formed substantially cylindrical and thus rotationally symmetrical about an axis of symmetry 118, which is a central axis 120 of the flow elements 112.
  • the stack 110 of flow elements 112 is rotatable about the central axis 120.
  • the central axis 120 is thus an axis of rotation 122 of the flow elements 112, in particular of the stack 110 of flow elements 112.
  • the stack 110 of flow elements 112 is bounded on both sides, each with an end plate element 124.
  • the end plate members 124 each include one - -
  • a side 125 of each end plate element 124 facing the flow elements 112 has a shape which corresponds to the shape of a side 150, 152 of the end plate element 124 which faces away from the end plate element 124.
  • One of the end plate elements 124 is part of an inlet section 130 of the separation device 100.
  • an aerosol can be supplied to the interior 104, in particular the central channel 116 of the stack 110 of flow elements 112, through the inlet section 130.
  • the further of the end plate elements 124 comprises a drive section 132, in particular a drive shaft 134, by means of which the end plate element 124 and thus also the stack 110 of flow elements 112 can be coupled or coupled to a drive device 136.
  • a rotational movement can be transmitted to the stack 110 of flow elements 112 via the end plate element 124 having the drive section 132.
  • the end plate elements 124 additionally each have a connecting section 138, by means of which the end plate elements 124 can be connected through the central channel 116.
  • a central connecting element 139 for example a screw or threaded rod 140, extends from the connecting section 138 of the one end plate element 124 to the connecting element 138.
  • Connecting portion 138 of the further Endplattenelements 124 extends and the Endplatten shame 124 pulls or pushes each other. The flow elements 112 are thus clamped between the end plate elements 124.
  • the housing 102 of the separating device 100 comprises a drainage opening 142, through which the fluid deposited by means of the separating device 100, in particular oil, can be removed from the interior 104, in particular can flow away.
  • the housing 102 of the separation device 100 comprises an outlet section 144, through which the gas purified by means of the separation device 100 can leave the interior 104 of the separation device 100.
  • each flow element 112 comprises a substantially disc-shaped basic body 146 which is rotationally symmetrical at least approximately about the axis of rotation 122 and which is provided with a plurality of walls 148 extending parallel to the central axis 120.
  • Both a first side 150 and one of the first side 150 opposite second side 152 of the base body 146 is provided with such walls 148.
  • the walls 148 are thus partitions 156 between the channels 154.
  • the base body 146 facing away from free ends 158 of the partition walls 156 are formed as projections 160.
  • the region of the main body 146 between the partitions 156 is a channel bottom 162 of the channels 154. - -
  • the channel bottoms 162 are provided with depressions 164, for example grooves 166.
  • the depressions 164 or grooves 166 form receiving portions 168 for the projections 160.
  • the receiving portions 168 are preferably designed to taper in a depth direction.
  • the receiving sections 168 preferably include drafting slopes 165 or insertion bevels 167, which are aligned obliquely to the central axis 120.
  • the Entformungsschrägen 165 and the insertion bevels 167 are formed in particular by side walls of the receiving portions 168.
  • the projections 160 are preferably tapered towards their end facing away from the main body 146 158, in particular substantially complementary to the shape of the receiving portions 168.
  • the flow elements 112 can be positioned particularly accurately relative to one another and connected to one another in a stable and reliable manner.
  • Both the first side 150 and the second side 152 of the base body 146 are provided with such projections 160 and such receiving portions 168.
  • the projections 160 and the receiving portions 168 are arranged distributed such that in a simple stacking of identical flow elements 112 engage the projections 160 on the first side 150 of a flow element 112 in the receiving portions 168 on the second side 152 of another flow element 112.
  • the protrusions 160 on the second side 152 of the further flow element 112 enter the receiving portions 168 on the first side 150 of the first flow element 112.
  • the partitions 156, the channels 154, the projections 160 and the receiving portions 168 have a substantially Kreisvolventenverlauf.
  • circle vane-shaped channels 154 are formed, which extend from an inner end 170 facing the central opening 114 to an outer end 172 facing away from the central opening 114.
  • the aerosol supplied through the inlet section 130 can thus be guided outward from the central channel 116 in the radial direction 174 with respect to the central axis 120.
  • the separation device 100 described above functions as follows:
  • the stack 110 of flow elements 112 is set in rotation via the drive section 132 of the end plate element 124.
  • the stack 110 of flow elements 112 thereby acts as a centrifuge, by means of which heavy components, in particular droplets, of an aerosol can be deposited.
  • the aerosol formed, for example, as a blowby gas of an internal combustion engine is passed through the inlet section 130 of the separating device 100 through the end plate element 124 arranged facing the inlet section 130 and supplied to the central channel 116 of the stack 110 of flow elements 112. - -
  • the aerosol enters the channels 154 and is guided through the channels 154 in the radial direction 174 to the outer ends 172 of the channels 154. Due to the rotation and shaping of the channels 154, the droplets of the aerosol are deposited on the dividing walls 156. The droplets are finally accelerated in the radial direction 174 in the direction of the housing 102 and then sink to the bottom.
  • the thus separated liquid in particular oil, can be removed from the interior 104 of the separation device 100 via the drainage opening 142.
  • the gas released from the oil leaves the inner space 104 via the outlet section 114 of the housing 102 of the separating device 100.
  • the aerosol then flows into the interior 104 at the section of the housing 102 of the separating device 100 which is referred to as the outlet section 144.
  • the aerosol then flows from the outside inwards against the radial direction 174 to the central opening 114.
  • heavier components, in particular droplets, of the aerosol are deposited, so that a purified gas flow through the central channel 116 and can be removed from the inner space 104 of the housing 102 of the separating device 100 the designated as the inlet portion 130 portion.
  • the separated components of the aerosol are removed through the drainage opening 142 from the interior 104 of the housing 102. - -
  • a second embodiment of a separating device 100 shown in FIGS. 5 to 13 differs from that shown in FIGS. 1 to 4 essentially in that a functional component 200 is provided for connecting and receiving the stack 110 of flow elements 112.
  • the functional component 200 serves to directly receive the stack 110 from flow elements 112 and to drive it.
  • the functional component 200 comprises a shaft 202 and a drive element 204 for this purpose.
  • the shaft 202 and thus the entire functional component 200 are rotatably mounted on two bearing points 206 of the housing 102 of the separating device 100.
  • the shaft 202 is off along with the stack 110
  • Flow elements 112 rotatably mounted about the rotation axis 122.
  • the separation device 100 according to FIGS. 5 to 13 also differs from the first embodiment in that the housing 102 comprises an inner space 104, which on the one hand comprises a separation space 208 and on the other hand a drive space 210 or return space 212.
  • the separation chamber 208 is that part of the inner space 104 in which the stack 110 of flow elements 112 is arranged.
  • the stack 110 of flow elements 112 forms or is part of a
  • Separator unit 214 of the separation device 100 Separator unit 214 of the separation device 100.
  • the separation unit 214 is, in particular, substantially circular-cylinder-shaped. - -
  • the separation chamber 208 preferably has a circular cylindrical shape.
  • the separation chamber 208 is thus limited in particular by a lateral surface 216 and two base surfaces 218.
  • the supply of the raw gas to the flow elements 112 takes place via the central channel 116.
  • liquid As it flows through the flow elements 112 liquid is separated from the raw gas and discharged through the wall surface of the housing 102 forming the lateral surface 216.
  • the pure gas obtained in this way is guided, in particular to a connecting piece 270 for clean gas discharge.
  • the region of the lateral surface 216 of the separation chamber 208 is consequently a clean gas region, while in particular the upper base surface 218 is a raw gas region.
  • a dynamic sealing region 220 (gap seal) is preferably provided between each base surface 218 and the lateral surface 216.
  • Each dynamic sealing region 220 is formed by the smallest possible gap 222 between the respective end plate element 124 of the stack 110 of flow elements 112 and the housing 102.
  • the housing includes - -
  • each dynamic sealing region 220 each have an annular projection 224, which with respect to the rotation axis 122 in the radial direction 174 and / or axial direction 226 protrudes annularly in the direction of the respective end plate member 124.
  • the gap 222 is preferably at most approximately 1 mm, for example at most approximately 0.5 mm, wide.
  • the separation unit 214 To ensure the gap dimension, the separation unit 214 must be reliably and stably supported on the housing 102.
  • bearing points 206 are provided with bearing elements 230 designed, for example, as ball bearings 228.
  • the bearing elements 230 are in particular pressed into the housing 102.
  • the housing 102 further comprises a collecting channel 232, which in particular is annular in the region of the lateral surface 216 of the separating chamber 208 and serves to receive and combine separated liquid.
  • the housing 102 comprises one or more drainage channels 234, via which the liquid collected in the collecting channel 232 from the
  • Separating chamber 208 can be discharged (see in particular Figs. 7, 9 and 10).
  • a drainage channel 234 may in particular include a drainage opening 142 according to the embodiment shown in FIGS. 1 to 4 shown first embodiment.
  • the one or more drainage channels 234 open into the drive space 210 or return space 212 of the housing 102.
  • the one or more drainage channels 234 open in the region of a bearing 206, so - - That the deposited liquid in the separation chamber 208 is discharged via the arranged in the bearing 206 bearing member 230 from the separation chamber 208. In this way, in particular an automatic lubrication of the bearing element 230 can be ensured.
  • a drainage channel 234 is in particular formed as a recess 236 or recess 238 in the housing 102.
  • the collecting channel 232 forms in particular an annular collecting channel 240.
  • the collecting channel 240 is formed on the one hand by the lateral surface 216 and on the other hand by a projection 224 for providing a dynamic sealing region 220.
  • a drive device 136 designed as a jet device 242 is provided.
  • a nozzle receptacle 244 for receiving a drive nozzle 246 is provided on the housing 102 (see in particular FIGS. 8 and 13).
  • a fluid jet can be directed onto the drive element 204 designed, for example, as a turbine wheel 248.
  • the turbine wheel 248 is thereby rotatably driven about the rotation axis 122.
  • drive fluid for example, oil from an oil circuit of an internal combustion engine is provided.
  • the housing 102 preferably also comprises a mounting flange 250. - -
  • an outer rib structure 252 facing away from the separation chamber 208 is preferably provided for stiffening and / or reinforcing the housing 102.
  • the rib structure 252 is in particular formed by a plurality of stiffening ribs 254, which intersect, for example, like a cross.
  • Cut lines 256 of stiffening ribs 254 are preferably aligned parallel to one another and, moreover, preferably parallel to a connecting direction 258 to be described later.
  • the housing 102 preferably further includes one or more attachment locations 260 for attachment of the deposition apparatus 100 to a raw gas producing apparatus, such as an internal combustion engine.
  • the one or more attachment locations 260 may preferably serve exclusively for attachment to the device producing raw gas.
  • the mounting flange 250 can also serve for fastening the separating device 100 to the device producing raw gas.
  • the mounting flange 250 preferably further serves to return separated liquid to the raw gas producing apparatus.
  • the separation device 100 can be fixed for this purpose in particular to a crankcase (not shown) of the internal combustion engine.
  • the mounting flange 250 is therefore in particular a crankcase connection 262. - -
  • an alternative housing division is also provided.
  • the housing 102 is composed of two housing halves 264, which are not perpendicular to the rotation axis 122 divided (cut).
  • a slightly more complicated cut surface 266 is provided, along which the housing 102 is divided, that is along which the two housing halves 264 adjacent to each other.
  • the cut surface 266 may be, for example, a single continuous plane.
  • the cut surface 266 is preferably formed by a plurality of partial cut-away planes 268 or comprises a plurality of partial cut-away planes 268.
  • a partial section plane 268 in this case runs in particular along the axis of rotation 122, that is to say the axis of rotation 122 runs in the partial section plane 268.
  • Another partial section plane 268 is aligned perpendicular to the rotation axis 122. - -
  • connection piece 270 makes it possible in particular for a connection piece 270 to be formed undivided for raw gas supply, even though it is actually located in an imaginary continuation of the first partial sectional plane 268 running along the axis of rotation 122 ,
  • This embodiment of the connecting piece 270 in particular the tightness in the region of the connecting piece 270 can be ensured so as not to lose unwanted raw gas to an environment of the separator 100 or to suck outside air.
  • the separation unit 214 can be provided together with the bearing elements 230 and the drive element 204 as a preassembled structural unit. This assembly can then be easily inserted into suitable bearings 206 of the housing halves 264 and 264 fixed by connecting the two housing halves together.
  • the bearing points 206 are designed in particular as half bearing shells 272, wherein in each case a half bearing shell 272 in a housing half 264 with a further half bearing shell 272 in the further housing half 264 adds to an annular bearing 206 in the housing 102.
  • each bearing 206 comprises a preferably semi-annular recess 274, which is bounded on both sides by radially inwardly protruding projections 276 in the axial direction 226.
  • bearings 206 By means of such bearings 206 can thus be secured in the axial direction 226, in particular a bearing element 230. - -
  • the two housing halves 264 are preferably plastic components 278, in particular injection-molded plastic components 280.
  • Each housing half 264 preferably comprises a contact surface 282, with which the housing half 264 in the assembled state of the separating device 100 preferably bears directly against the further housing half 264.
  • the contact surfaces 282 of the two housing halves 264 thus preferably run in the cut surface 266.
  • housing 102 Due to the selected pitch of the housing halves 264, additional functions of the housing 102 may preferably be integrated by appropriate shaping of the housing halves 264 without providing additional components to the housing 102.
  • the contact surface 282 may include suitable recesses 236 or recesses 238 for forming drainage channels 234.
  • a positioning aid 284 for the correct positioning of the housing halves 264 relative to one another can be formed by means of the contact surfaces 282.
  • the positioning aid 284 can be designed, for example, as a tongue and groove connection 286.
  • each housing half 264 or even a single housing half 264 may be provided with a receiving groove 288 for receiving a (not shown) sealing member to achieve an additional seal of the interior 104 of the housing 102 to the environment.
  • the housing division can take place at different locations and in different cut surfaces 266.
  • Separating device 100 is provided, that the housing 102 is divided so that a housing half 264 a connecting piece 270 for raw gas supply, the mounting flange 250 and the nozzle receptacle 244 includes, while the other housing half 264 includes a connecting piece 270 for clean gas discharge.
  • a bypass line 290 may be provided for raw gas supply (see in particular Figs. 7 and 10).
  • bypass line 290 By means of the bypass line 290 in particular a fluid connection between the connecting piece 270 for raw gas supply and the central channel 116 of the stack 110 of flow elements 112 is formed.
  • the bypass line 290 thus serves in particular for the flow around a bearing 206 in the case of axial supply of raw gas.
  • FIGS. 1 to 4 illustrated second embodiment of a separation device 100 in terms of structure and function preferably with the first embodiment shown in FIGS. 1 to 4, so that reference is made to the above description thereof in this regard.
  • a third embodiment of a separating device 100 shown in FIG. 14 differs from that shown in FIGS. 5 to 13 essentially in that the housing 102 is divided along a sectional area 266, which comprises two partial planes 268 oriented obliquely to the axis of rotation 122. - -
  • a first partial section plane 268 preferably intersects the separation chamber 208 in both base surfaces 218 and in the lateral surface 216 of the separation chamber 208.
  • the further partial sectional plane 268 intersects the housing 102 outside the separation chamber 208, in particular in the area of the drive space 210 or return space 212.
  • a housing division is provided such that a housing half 264 comprises a connecting piece 270 for raw gas supply, a connecting piece 270 for clean gas removal and the mounting flange 250.
  • the further housing half 264 preferably includes the nozzle receptacle 244.
  • the positioning aid 284 is formed, for example, by one or more positioning pins 292 and pin receptacles (not shown) corresponding thereto.
  • the in Fig. 14 illustrated third embodiment of a separation device 100 in terms of structure and function with the in Figs. 5 to 13 illustrated second embodiment, so that reference is made to the above description thereof in this regard.
  • the fourth embodiment of a separating device 100 shown in FIG. 15 essentially differs from the third embodiment shown in FIG. 14 in that the sectional surface 266 along which the housing 102 is divided has a partial section plane 268 running obliquely to the axis of rotation 122 and a plane perpendicular to the axis of rotation 122 Partial section level 268 includes.
  • Both partial cutting planes 268 preferably only intersect the lateral surface 216 of the separating chamber 208. - -
  • a housing half 264 is thus provided which supports the housing
  • Connecting piece 270 for raw gas supply and the connecting piece 270 for clean gas removal includes.
  • the further housing half 264 comprises the mounting flange 250 and the nozzle receptacle 244.
  • FIG. 15 illustrated fourth embodiment of a separation device 100 in terms of structure and function with the in FIG. 14 illustrated third embodiment, so that reference is made to the above description thereof in this regard.
  • the fifth embodiment of a separating device 100 shown in FIG. 16 differs substantially from the third embodiment shown in FIG. 14 in that the sectional surface 266 along which the housing 102 is divided comprises three partial cutting planes 268.
  • two partial sections 268 are provided, which are arranged offset parallel to the axis of rotation 122.
  • this third partial section plane 268 intersects the lateral surface 216 of the separating chamber 208.
  • the two base surfaces 218 of the separating chamber 208 can also be cut by means of this inclined partial section plane 268 or by means of the two further partial section planes 268.
  • a housing half 264 in this case comprises the connecting piece 270 for raw gas supply and the mounting flange 250, while the other housing half - -
  • 264 includes the connecting piece 270 for clean gas discharge and the nozzle receptacle 244.
  • the two housing halves 264 are movable toward one another in a connecting direction 258 perpendicular to the axis of rotation 122 in order to be engaged with one another and connected to one another.
  • connection direction 258 is also provided in the second embodiment shown in FIGS. 5 to 13.
  • the fifth embodiment of a separation device 100 shown in FIG. 16 is identical in construction and function to the third embodiment shown in FIG. 14, so that reference is made to the above description thereof.
  • the rib structure 252 for stabilizing the housing 102 has already been discussed.
  • a rib structure 252 adapted to the production process is preferably provided for optimum production of the housing halves 264.
  • each of the described embodiments comprises a drive device 136 which is electrically drivable, for example by means of an electric motor.
  • a radial raw gas supply may be provided.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Separating Particles In Gases By Inertia (AREA)

Abstract

L'invention concerne un dispositif de séparation, en particulier pour la séparation d'un liquide d'un flux gazeux brut, qui peut être fabriqué de manière simple et peu onéreuse. Selon l'invention, le dispositif de séparation (100) comprend les éléments suivants : un boîtier (102), qui entoure un espace de séparation ; une unité de séparation (214), qui est disposée ou peut être disposée de manière rotative dans l'espace de séparation du boîtier, le boîtier comprenant deux demi-boîtiers (264) entourant l'espace de séparation, qui peuvent être liés ou qui sont liés l'un à l'autre le long d'un plan de coupe s'étendant au moins en partie parallèlement ou en biais par rapport à un axe de rotation de l'unité de séparation.
PCT/EP2016/064619 2015-06-25 2016-06-23 Dispositif de séparation Ceased WO2016207318A1 (fr)

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Application Number Priority Date Filing Date Title
DE102015211848.7 2015-06-25
DE102015211848.7A DE102015211848A1 (de) 2015-06-25 2015-06-25 Abscheidevorrichtung

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WO2016207318A1 true WO2016207318A1 (fr) 2016-12-29

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE607055C (de) * 1934-12-15 Ramesohl & Schmidt Akt Ges Aufklappbare Haube fuer Schleudermaschinengehaeuse
DE894378C (de) * 1941-12-11 1953-10-22 Aeg Deckelanordnung an Zentrifugen
DE3123025A1 (de) * 1980-06-23 1982-06-09 Alfa-Laval AB, 14700 Tumba "gehaeuse fuer eine maschine mit einem rotor, etwa eine zentrifuge"
DE19914166A1 (de) 1999-03-29 2000-10-05 Deutz Ag Ölabscheider zur Reinigung von Kurbelgehäuseentlüftungsgasen einer Brennkraftmaschine
DE69906019T2 (de) 1998-12-11 2003-08-21 Fleetguard, Inc. Zentrifuge mit konischen Trennwänden
DE10350562A1 (de) 2003-10-29 2005-06-16 Daimlerchrysler Ag Vorrichtung zur Aufbereitung von Schmieröl
WO2007073320A1 (fr) * 2005-12-20 2007-06-28 3Nine Ab Dispositif de nettoyage des gaz de carter
DE102012104598A1 (de) 2012-05-29 2013-12-05 Elringklinger Ag Abscheider und Verfahren zum Abscheiden von Flüssigkeitströpfchen aus einem Aerosol
DE102013207058A1 (de) 2013-04-18 2014-10-23 Elringklinger Ag Strömungselement und Abscheidevorrichtung

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10338770B4 (de) * 2003-08-23 2005-08-25 Mann + Hummel Gmbh Zentrifugalabscheider und Verfahren zur Reinigung eines Fluidstromes
DE102005028775A1 (de) * 2005-06-22 2007-01-04 Daimlerchrysler Ag Kurbelgehäuse für eine Brennkraftmaschine

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE607055C (de) * 1934-12-15 Ramesohl & Schmidt Akt Ges Aufklappbare Haube fuer Schleudermaschinengehaeuse
DE894378C (de) * 1941-12-11 1953-10-22 Aeg Deckelanordnung an Zentrifugen
DE3123025A1 (de) * 1980-06-23 1982-06-09 Alfa-Laval AB, 14700 Tumba "gehaeuse fuer eine maschine mit einem rotor, etwa eine zentrifuge"
DE69906019T2 (de) 1998-12-11 2003-08-21 Fleetguard, Inc. Zentrifuge mit konischen Trennwänden
DE19914166A1 (de) 1999-03-29 2000-10-05 Deutz Ag Ölabscheider zur Reinigung von Kurbelgehäuseentlüftungsgasen einer Brennkraftmaschine
DE10350562A1 (de) 2003-10-29 2005-06-16 Daimlerchrysler Ag Vorrichtung zur Aufbereitung von Schmieröl
WO2007073320A1 (fr) * 2005-12-20 2007-06-28 3Nine Ab Dispositif de nettoyage des gaz de carter
DE102012104598A1 (de) 2012-05-29 2013-12-05 Elringklinger Ag Abscheider und Verfahren zum Abscheiden von Flüssigkeitströpfchen aus einem Aerosol
DE102013207058A1 (de) 2013-04-18 2014-10-23 Elringklinger Ag Strömungselement und Abscheidevorrichtung

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