EP2292932A2 - Separating can - Google Patents
Separating can Download PDFInfo
- Publication number
- EP2292932A2 EP2292932A2 EP10168522A EP10168522A EP2292932A2 EP 2292932 A2 EP2292932 A2 EP 2292932A2 EP 10168522 A EP10168522 A EP 10168522A EP 10168522 A EP10168522 A EP 10168522A EP 2292932 A2 EP2292932 A2 EP 2292932A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- end piece
- fastening element
- connection geometry
- shell
- face
- 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
Links
- 229920002430 Fibre-reinforced plastic Polymers 0.000 claims abstract description 4
- 239000011151 fibre-reinforced plastic Substances 0.000 claims abstract description 4
- 239000004918 carbon fiber reinforced polymer Substances 0.000 claims abstract description 3
- 239000004033 plastic Substances 0.000 claims abstract description 3
- 229920003023 plastic Polymers 0.000 claims abstract description 3
- 238000007789 sealing Methods 0.000 claims description 24
- 238000012544 monitoring process Methods 0.000 claims description 7
- 238000009529 body temperature measurement Methods 0.000 claims description 5
- 239000000919 ceramic Substances 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 4
- 239000011810 insulating material Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 238000005259 measurement Methods 0.000 claims description 2
- 239000011226 reinforced ceramic Substances 0.000 abstract 1
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000012811 non-conductive material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D13/0606—Canned motor pumps
- F04D13/0626—Details of the can
Definitions
- the present invention relates to a containment shell with a primary shell, in particular a containment shell for a canned aggregate, wherein the primary shell has a cylindrical, non-metallic base body and a connection geometry located at one end of the primary shell.
- a separating sleeve of a multi-part split pot or canned construction wherein openings of the separating sleeve sealingly rest against holding parts and fastening and sealing means sealingly connect the parts of the split pot or canned tube construction.
- the separating sleeve is as a pipe section formed in a winding technique, fiber reinforced multilayer pipe.
- the EP 0 822 641 B1 relates to a canned motor in which a sleeve between the stator and rotor is provided, to which an end plate made of the same material is welded.
- the DE 36 26 934 A1 discloses a can for a permanent magnetic coupling, in which the gap tube, at least in the region of the magnetic field acting between the drive magnet consists of an inner metal tube and a metal tube supporting the cover of an electrically non-conductive material.
- the DE 38 23 113 C1 relates to a method for producing a split pot for fiber composite electric or magnetic drive units with a connecting flange and a flattened curved bottom, which is reinforced relative to the cylindrical part of the split pot.
- the jacket of the can is wound from layers of circumferential and helix windings.
- the DE 39 16 916 A1 discloses a device for fluid-tight connection of a tube with a flange sleeve or a flanged tube, wherein a sealing ring is provided with a conically tapered surface which is arranged in the interior of an angle ring.
- the DE 38 18 832 C2 describes a containment shell for glandless electrical or magnetic drive units, the containment shell having a jacket consisting of layers of fiber reinforced plastic, and the bottom part of the containment shell has a cup-shaped shape with a tongue-shaped edge extending in the axial direction towards the gap pot interior and has a press fit glued into the coat.
- the EP 1 606 543 B1 relates to a universal vacuum coupling for a cylindrical receiving part, wherein the cylindrical receiving part ends with a recess and wherein an interface ring has a protruding part to facilitate the positioning of the interface ring with respect to the receiving part.
- a containment shell with the features of claim 1. Thereafter, it is provided that a containment shell is provided with a primary shell, wherein the primary shell has a cylindrical, non-metallic base body and located at one end of the primary shell connection geometry. It is further provided that the connection geometry extends inwardly in the form of a collar and has two end surfaces extending substantially parallel to each other and substantially perpendicular to the longitudinal axis of the primary shell.
- the containment shell may be a containment shell for a canned aggregate, such as a pump driven by an electric motor, a magnetic, hysteresis, or the like.
- the end faces are parallel to one another and perpendicular to the longitudinal axis of the primary shell, taking into account the customary tolerances.
- connection geometry can be connected to a closure piece, which represents the end face of the split pan bottom which extends substantially perpendicular to the longitudinal axis of the primary shell, wherein the end piece has an outer diameter which is smaller than the inner diameter of the primary shell, the end piece preferably being a inside end piece and is particularly advantageous concave, convex, plan or bottle bottom-shaped.
- the end piece thus advantageously overlapped by the connection geometry, so that the pressure acting in the interior of the gap pot during operation presses the end piece against the connection geometry.
- the material of the primary shell is plastic or fiber-reinforced plastic or carbon fiber reinforced plastic or a ceramic. This results in the advantage that in the primary shell, which is located between a stator and a rotor, no eddy currents are induced during operation, which can have a negative effect on the efficiency of the unit and can further lead to undesirable heating.
- connection geometry is an inner end face into which a sealing element is receivable or to which a sealing element can be pressed, wherein by means of the sealing element tightness between connection geometry and end piece can be produced, wherein preferably the sealing element between the inner end face and the end piece can be pressed in and / or is inserted in an end piece mounted in the annular groove. Since, during operation, the internal pressure in the containment shell pushes the closure piece outwards against the connection geometry, it is advantageously a self-reinforcing seal.
- connection geometry is an outer end face on which an outer fastening element can be fastened, wherein the fastening element is preferably annular or disk-shaped.
- the fastening element has an angled cylindrically extending guide surface which engages over the primary shell.
- the fastening element has a conically extending guide surface, which rests on a corresponding conical surface of the connection geometry, wherein it is preferably at the conical surface of the connection geometry is a chamfering of the outer edge of the connection geometry.
- a sealing element is provided between the outer fastening element and the outer end face of the connection geometry, wherein by means of the sealing element tightness between connection geometry and fastening element can be produced, wherein preferably the sealing element between the outer end face and the fastening element can be pressed and / or in a Fastener mounted ring groove is used.
- the inner end piece and the outer fastening element are connected to each other.
- connection between the inner end piece and the outer fastening element is made detachable, wherein preferably the releasable connection has a central fastening element or a plurality of connecting elements.
- a further embodiment may consist in that the connection between the inner end piece and the outer fastening element is made insoluble.
- the fastener is designed disc-shaped, wherein between the inner end piece and external fastener a space is formed which is filled with a heat-insulating material and / or that one or more measuring elements are provided in the space, wherein the / the measuring elements are preferably arranged on the end piece.
- the measuring element is a measuring element for temperature measurement and / or leakage monitoring and / or is a measuring element by means of which the state of axial plain bearings is monitored, which are medium and / or directly in communication with the containment shell, and / or a measuring element by means of which the pressure load of the end piece can be determined.
- the fastening element is designed annular, wherein one or more measuring elements are provided on the outer surface of the inner end piece.
- the measuring element is a measuring element for temperature measurement and / or leakage monitoring and / or is a measuring element by means of which the state of axial plain bearings is monitored, which are medium and / or directly in communication with the containment shell, and / or a measuring element by means of which the pressure load of the end piece can be determined.
- the measuring element measures the distance of the inner magnetic ring.
- For determining the pressure load of the end piece may be a conventional pressure sensor, it may just as well be provided that the measurement of the distance between the end piece and the fastening element and / or the deformation of the end piece by means of this measuring element.
- Fig. 1 shows a schematic sectional view of a split pot 10 according to the invention, wherein alternative embodiments are indicated by primed reference numerals.
- the containment shell 10 with its longitudinal axis X which is arranged perpendicularly here only for reasons of simplification, has a cylindrical, nonmetallic primary shell 20, which is preferably made of ceramic.
- the primary shell 20 has, in the end region of its main body 21, a connection geometry 22 which extends in a collar-shaped manner inwards towards the longitudinal axis X of the can 10 and which has two end surfaces 24, 26 extending parallel to one another and perpendicular to the longitudinal axis.
- one end face 24 is an inner end face 24 and the other end face 26 is an outer end face 26.
- connection geometry 22 can be connected to a closure piece 30, 30 ', which represents the end face of the containment shell 10 that runs perpendicular to the longitudinal axis X of the primary shell 20.
- the end piece 30, 30 ' on an outer diameter which is smaller than the inner diameter of the primary shell 20, wherein the end piece 30, 30' is formed flat.
- a sealing element 34 designed as a circumferential sealing ring 34 is pressed between the inner end face 24 and the outer surface of the end piece 30, so that the end piece 30 and the connection geometry 22 are sealingly connected.
- a peripheral annular groove 32' is additionally provided for the sealing element 34 designed as a circumferential sealing ring 34.
- a fastening element 40, 40 ' are fixed, wherein a first embodiment of the fastening element 40 is disk-shaped and an alternative second embodiment of the fastening element 40' is annular.
- a sealing element 42 designed as a circumferential sealing ring 42 is pressed in a sealing manner.
- a circumferential annular groove not shown, is provided either in the outer end face 26 or in the fastening element 40, 40 'into which the sealing element 42 is inserted.
- a space 50 is formed between the fastening element 40 and the end piece 30 or 30 'and is filled with a heat-insulating material 60. Further, a plurality of measuring elements 70 are provided in the space, the measuring elements 70 a measuring element 72 for temperature measurement, another measuring element 74 for leakage monitoring, a measuring element 76 for monitoring the state of at least one axial slide bearing, not shown, and a measuring element 78 for determining the pressure load of End piece 30, 30 'include.
- the heat-insulating material 60 may be arranged wholly or partly on the connecting piece 30, 30'. Likewise, it may also be partially on the annular fastener 40 'be attached. This depends on the properties of the material with respect to the fluid to be sealed. However, the measuring elements 70 are arranged at the same location and functionally identical on the outside of the end piece 30, 30 '.
- FIGS. 2 and 3 show alternative embodiments of in Fig. 1 shown embodiments of a split pot 10 according to the invention.
- the same or comparable features and / or components of the split pot are provided with the same reference numerals.
- the fastening element 140, 140 ' is modified in such a way that it has a collar-shaped, angled, cylindrical guide surface 144, 144', which engages over the primary shell 20.
- the fastening element 140, 140 ' may be designed as a disk-shaped fastening element 140 or as an annular fastening element 140'.
- Fig. 2 shown embodiments of the split pot 10 moreover, have the features of in Fig. 1 shown embodiments of a split pot 10.
- connection geometry 222 of the primary shell 220.
- the primary shell 220 like the primary shell 20 described above, has a cylindrical base body 221 and is formed of ceramic.
- the connection geometry 222 has two end faces 224 and 226, which are aligned parallel to each other and perpendicular to the longitudinal axis X of the primary shell.
- the fastening element 240, 240 ' may be designed as a disk-shaped fastening element 240 or as an annular fastening element 240'.
- the Fig. 2 shown embodiments of the split pot 10 moreover, have the features of in Fig. 1 shown embodiments of a split pot 10.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Gasket Seals (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Pressure Vessels And Lids Thereof (AREA)
Abstract
Description
Die vorliegende Erfindung betrifft einen Spalttopf mit einer Primärhülle, insbesondere einen Spalttopf für ein Spaltrohraggregat, wobei die Primärhülle einen zylindrischen, nichtmetallischen Grundkörper und eine an einem Ende der Primärhülle befindliche Anschlussgeometrie aufweist.The present invention relates to a containment shell with a primary shell, in particular a containment shell for a canned aggregate, wherein the primary shell has a cylindrical, non-metallic base body and a connection geometry located at one end of the primary shell.
Aus dem Stand der Technik sind bereits Primärhüllen bzw. Spalttöpfe bekannt, die aus nichtmetallischen Werkstoffen bestehen. Diese Spalttöpfe sind dabei zumeist monolithisch ausgeführt. Bedingt durch die im Inneren des Spalttopfes herrschenden Druckverhältnisse ist der Boden des Spalttopfes konkav bzw. konvex gestaltet, um die Lastverteilung günstig zu gestalten. Diese geometrische Gestaltung hat bei Pumpen, die eine kompakte Baulänge aufweisen, den Nachteil, dass die wirksame Länge der Magnetkupplung negativ beeinflusst wird.From the state of the art, primary hulls or shroud pots are already known, which consist of non-metallic materials. These splitters are mostly monolithic. Due to the pressure conditions prevailing in the interior of the containment shell, the bottom of the containment shell is concave or convex in order to make the load distribution favorable. This geometric design has the disadvantage for pumps, which have a compact length, that the effective length of the magnetic coupling is adversely affected.
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Wünschenswert wäre es daher, einen Spalttopf bereitzustellen, der die im Stand der Technik bekannten Nachteile überwindet und einfach sowie kompakt aufgebaut ist.It would therefore be desirable to provide a containment shell which overcomes the known disadvantages of the prior art and is simple and compact.
Es ist daher die Aufgabe der vorliegenden Erfindung, einen Spalttopf der eingangs genannten Art in vorteilhafter Weise weiterzubilden, insbesondere dahingehend, dass dieser einfach und kompakt aufgebaut ist und insbesondere trotz Einsatz eines nichtmetallischen Werkstoffes für das Spaltrohr bzw. die Primärhülle einen flachen Spalttopfboden erlaubt.It is therefore an object of the present invention to further develop a split pot of the type mentioned in an advantageous manner, in particular to the effect that this is simple and compact and in particular despite use of a non-metallic material for the can or the primary shell allows a flat split pot bottom.
Diese Aufgabe wird erfindungsgemäß gelöst durch einen Spalttopf mit den Merkmalen des Anspruchs 1. Danach ist vorgesehen, dass ein Spalttopf mit einer Primärhülle versehen ist, wobei die Primärhülle einen zylindrischen, nichtmetallischen Grundkörper und eine an einem Ende der Primärhülle befindliche Anschlussgeometrie aufweist. Weiter ist vorgesehen, dass die Anschlussgeometrie sich kragenförmig nach innen erstreckt und zwei im Wesentlichen zueinander parallel und im Wesentlichen senkrecht zur Längsachse der Primärhülle verlaufende Stirnflächen aufweist.This object is achieved by a containment shell with the features of claim 1. Thereafter, it is provided that a containment shell is provided with a primary shell, wherein the primary shell has a cylindrical, non-metallic base body and located at one end of the primary shell connection geometry. It is further provided that the connection geometry extends inwardly in the form of a collar and has two end surfaces extending substantially parallel to each other and substantially perpendicular to the longitudinal axis of the primary shell.
Dadurch ergibt sich der Vorteil, einfach und sicher bei zugleich kompakten Abmessungen einen Spalttopf zu schaffen, der einen flachen Boden aufweisen kann. Bei dem Spalttopf kann es sich um einen Spalttopf für ein Spaltrohraggregat wie eine mit einem Elektromotor angetriebene Pumpe, einen Magnet-, Hysteresekupplungsantrieb oder Dergleichen handeln. Vorzugsweise verlaufen die Stirnflächen unter Berücksichtigung der fertigungsüblichen Toleranzen zueinander parallel und senkrecht zur Längsachse der Primärhülle.This results in the advantage of creating a containment shell which can have a flat bottom simply and safely with at the same time compact dimensions. The containment shell may be a containment shell for a canned aggregate, such as a pump driven by an electric motor, a magnetic, hysteresis, or the like. Preferably, the end faces are parallel to one another and perpendicular to the longitudinal axis of the primary shell, taking into account the customary tolerances.
Weiter kann vorgesehen sein, dass die Anschlussgeometrie mit einem Abschlussstück verbindbar ist, das die zur Längsachse der Primärhülle im Wesentlichen senkrecht verlaufende Abschlussfläche des Spalttopfbodens darstellt, wobei das Abschlussstück einen Außendurchmesser aufweist, der kleiner ist als der Innendurchmesser der Primärhülle, wobei das Abschlussstück vorzugsweise ein innenliegendes Abschlussstück ist und besonders vorteilhaft konkav, konvex, plan oder flaschenbodenförmig ausgebildet ist. Das Abschlussstück somit vorteilhafterweise von der Anschlussgeometrie übergriffen, so dass der im Inneren des Spalttopfes wirkende Druck im Betrieb das Abschlussstück gegen die Anschlussgeometrie drückt.It can further be provided that the connection geometry can be connected to a closure piece, which represents the end face of the split pan bottom which extends substantially perpendicular to the longitudinal axis of the primary shell, wherein the end piece has an outer diameter which is smaller than the inner diameter of the primary shell, the end piece preferably being a inside end piece and is particularly advantageous concave, convex, plan or bottle bottom-shaped. The end piece thus advantageously overlapped by the connection geometry, so that the pressure acting in the interior of the gap pot during operation presses the end piece against the connection geometry.
Ferner ist denkbar, dass das Material der Primärhülle Kunststoff oder faserverstärkter Kunststoff oder kohlefaserverstärkter Kunststoff oder eine Keramik ist. Dadurch ergibt sich der Vorteil, dass in der Primärhülle, die sich zwischen einem Stator und einem Rotor befindet, im Betrieb keine Wirbelströme induziert werden, die sich negativ auf den Wirkungsgrad des Aggregates auswirken können und weiter zu einer unerwünschten Erwärmung führen können.It is also conceivable that the material of the primary shell is plastic or fiber-reinforced plastic or carbon fiber reinforced plastic or a ceramic. This results in the advantage that in the primary shell, which is located between a stator and a rotor, no eddy currents are induced during operation, which can have a negative effect on the efficiency of the unit and can further lead to undesirable heating.
Darüber hinaus kann vorgesehen sein, dass eine Stirnfläche an der Anschlussgeometrie eine Innenstirnfläche ist, in die ein Dichtelement aufnehmbar ist oder an die ein Dichtelement anpressbar ist, wobei mittels des Dichtelementes Dichtheit zwischen Anschlussgeometrie und Abschlussstück herstellbar ist, wobei vorzugsweise das Dichtelement zwischen der Innenstirnfläche und dem Abschlussstück einpressbar ist und/oder in einer im Abschlussstück angebrachten Ringnut eingesetzt ist. Da im Betrieb der Innendruck im Spalttopf das Abschlussstück nach außen gegen die Anschlussgeometrie drückt, handelt es sich vorteilhafterweise um eine selbstverstärkende Dichtung.In addition, it can be provided that an end face on the connection geometry is an inner end face into which a sealing element is receivable or to which a sealing element can be pressed, wherein by means of the sealing element tightness between connection geometry and end piece can be produced, wherein preferably the sealing element between the inner end face and the end piece can be pressed in and / or is inserted in an end piece mounted in the annular groove. Since, during operation, the internal pressure in the containment shell pushes the closure piece outwards against the connection geometry, it is advantageously a self-reinforcing seal.
Weiter ist möglich, dass eine Stirnfläche an der Anschlussgeometrie eine Außenstirnfläche ist, an der ein außenliegendes Befestigungselement befestigbar ist, wobei das Befestigungselement vorzugsweise ringförmig oder scheibenförmig ausgebildet ist.It is also possible that an end face on the connection geometry is an outer end face on which an outer fastening element can be fastened, wherein the fastening element is preferably annular or disk-shaped.
Des Weiteren kann vorgesehen sein, dass das Befestigungselement eine abgewinkelte zylindrisch verlaufende Führungsfläche aufweist, die die Primärhülle übergreift.Furthermore, it can be provided that the fastening element has an angled cylindrically extending guide surface which engages over the primary shell.
Ferner ist denkbar, dass das Befestigungselement eine konisch verlaufende Führungsfläche aufweist, die auf einer dementsprechend konisch ausgebildeten Fläche der Anschlussgeometrie aufliegt, wobei es sich vorzugsweise bei der konisch ausgebildeten Fläche der Anschlussgeometrie um eine Abfasung der Außenkante der Anschlussgeometrie handelt.Furthermore, it is conceivable that the fastening element has a conically extending guide surface, which rests on a corresponding conical surface of the connection geometry, wherein it is preferably at the conical surface of the connection geometry is a chamfering of the outer edge of the connection geometry.
Darüber hinaus ist möglich, dass zwischen dem außenliegenden Befestigungselement und der Außenstirnfläche der Anschlussgeometrie ein Dichtelement vorgesehen ist, wobei mittels des Dichtelementes Dichtheit zwischen Anschlussgeometrie und Befestigungselement herstellbar ist, wobei vorzugsweise das Dichtelement zwischen der Außenstirnfläche und dem Befestigungselement einpressbar ist und/oder in einer im Befestigungselement angebrachten Ringnut eingesetzt ist.Moreover, it is possible that a sealing element is provided between the outer fastening element and the outer end face of the connection geometry, wherein by means of the sealing element tightness between connection geometry and fastening element can be produced, wherein preferably the sealing element between the outer end face and the fastening element can be pressed and / or in a Fastener mounted ring groove is used.
Außerdem kann vorgesehen sein, dass das innenliegende Abschlussstück und das außenliegende Befestigungselement miteinander verbunden sind.In addition, it can be provided that the inner end piece and the outer fastening element are connected to each other.
Des Weiteren ist denkbar, dass die Verbindung zwischen innenliegendem Abschlussstück und außenliegendem Befestigungselement lösbar ausgeführt ist, wobei vorzugsweise die lösbare Verbindung ein Zentralbefestigungselement oder mehrere Verbindungselemente aufweist.Furthermore, it is conceivable that the connection between the inner end piece and the outer fastening element is made detachable, wherein preferably the releasable connection has a central fastening element or a plurality of connecting elements.
Eine weitere Ausführungsform kann darin bestehen, dass die Verbindung zwischen innenliegendem Abschlussstück und außenliegendem Befestigungselement unlösbar ausgeführt ist.A further embodiment may consist in that the connection between the inner end piece and the outer fastening element is made insoluble.
Denkbar ist weiter, dass das Befestigungselement scheibenförmig ausgeführt ist, wobei zwischen innenliegendem Abschlussstück und außenliegendem Befestigungselement ein Raum ausgebildet ist, der mit einem wärmedämmenden Material ausgefüllt ist und/oder dass in dem Raum ein oder mehrere Messelemente vorgesehen sind, wobei das/die Messelemente vorzugsweise am Abschlussstück angeordnet sind.It is also conceivable that the fastener is designed disc-shaped, wherein between the inner end piece and external fastener a space is formed which is filled with a heat-insulating material and / or that one or more measuring elements are provided in the space, wherein the / the measuring elements are preferably arranged on the end piece.
Es kann vorgesehen sein, dass das Messelement ein Messelement zur Temperaturmessung und/oder zur Leckageüberwachung ist und/oder ein Messelement ist, mittels dessen der Zustand von axialen Gleitlagern überwachbar ist, die mit dem Spalttopf mittel- und/oder unmittelbar in Verbindung stehen, und/oder ein Messelement ist, mittels dessen die Druckbelastung des Abschlussstückes ermittelbar ist.It can be provided that the measuring element is a measuring element for temperature measurement and / or leakage monitoring and / or is a measuring element by means of which the state of axial plain bearings is monitored, which are medium and / or directly in communication with the containment shell, and / or a measuring element by means of which the pressure load of the end piece can be determined.
Weiter ist möglich, dass das Befestigungselement ringförmig ausgeführt ist, wobei an der Außenfläche des innenliegenden Abschlussstückes ein oder mehrere Messelemente vorgesehen sind.It is also possible that the fastening element is designed annular, wherein one or more measuring elements are provided on the outer surface of the inner end piece.
Außerdem ist denkbar, dass das Messelement ein Messelement zur Temperaturmessung ist und/oder zur Leckageüberwachung ist und/oder ein Messelement ist, mittels dessen der Zustand von axialen Gleitlagern überwachbar ist, die mit dem Spalttopf mittel- und/oder unmittelbar in Verbindung stehen, und/oder ein Messelement ist, mittels dessen die Druckbelastung des Abschlussstückes ermittelbar ist.In addition, it is conceivable that the measuring element is a measuring element for temperature measurement and / or leakage monitoring and / or is a measuring element by means of which the state of axial plain bearings is monitored, which are medium and / or directly in communication with the containment shell, and / or a measuring element by means of which the pressure load of the end piece can be determined.
Zur Überwachung des Zustandes der axialen Gleitlager kann vorgesehen sein, dass das Messelement die Entfernung des inneren Magnetringes misst.For monitoring the state of the axial sliding bearing can be provided that the measuring element measures the distance of the inner magnetic ring.
Zur Ermittlung der Druckbelastung des Abschlussstückes kann es sich um einen herkömmlichen Drucksensor handeln, genausogut kann vorgesehen sein, dass mittels dieses Messelementes die Messung der Entfernung zwischen dem Abschlussstück und dem Befestigungselement und/oder der Verformung des Abschlussstückes erfolgt.For determining the pressure load of the end piece may be a conventional pressure sensor, it may just as well be provided that the measurement of the distance between the end piece and the fastening element and / or the deformation of the end piece by means of this measuring element.
Weitere Einzelheiten und Vorteile der Erfindung sollen nachstehend anhand eines in der Zeichnung dargestellten Ausführungsbeispiels näher erläutert werden.Further details and advantages of the invention will be explained below with reference to an embodiment shown in the drawing.
Es zeigen:
- Fig. 1:
- eine schematische Schnittdarstellung eines Spalttopfes in alternativen Ausführungsformen;
- Fig. 2:
- eine weitere schematische Schnittdarstellung eines Spalttopfes in alter- nativen Ausführungsformen;
- Fig. 3:
- eine weitere schematische Schnittdarstellung eines Spalttopfes in alter- nativen Ausführungsformen;
- Fig. 1:
- a schematic sectional view of a split pot in alternative embodiments;
- Fig. 2:
- a further schematic sectional view of a split pot in alternative embodiments;
- 3:
- a further schematic sectional view of a split pot in alternative embodiments;
Der Spalttopf 10 mit seiner hier lediglich aus Vereinfachungsgründen senkrecht angeordneten Längsachse X weist eine zylindrische, nichtmetallische Primärhülle 20 auf, die vorzugsweise aus Keramik ausgebildet ist. Die Primärhülle 20 weist im Endbereich ihres Grundkörpers 21 eine sich kragenförmig nach innen hin zur Längsachse X des Spalttopfes 10 erstreckende Anschlussgeometrie 22 auf, die zwei zueinander parallel und senkrecht zur Längsachse verlaufende Stirnflächen 24, 26 aufweist. Dabei ist eine Stirnfläche 24 eine Innenstirnfläche 24 und die andere Stirnfläche 26 eine Außenstirnfläche 26.The
Die Anschlussgeometrie 22 ist mit einem Abschlussstück 30, 30' verbindbar, das die zur Längsachse X der Primärhülle 20 senkrecht verlaufende Abschlussfläche des Spalttopfes 10 darstellt. Dabei weist das Abschlussstück 30, 30' einen Außendurchmesser auf, der kleiner ist als der Innendurchmesser der Primärhülle 20, wobei das Abschlussstück 30, 30' plan ausgebildet ist.The
In der ersten Ausführungsform des Abschlussstückes 30 wird zwischen Innenstirnfläche 24 und der Außenfläche des Abschlussstückes 30 ein als umlaufender Dichtring 34 ausgeführtes Dichtelement 34 verpresst, so dass Abschlussstück 30 und Anschlussgeometrie 22 dichtend verbunden sind. In der zweiten alternativen Ausführungsform des Abschlussstückes 30' ist für das als umlaufender Dichtring 34 ausgeführte Dichtelement 34 zusätzlich eine umlaufende Ringnut 32' vorgesehen.In the first embodiment of the
An der Außenstirnfläche 26 der Anschlussgeometrie 22 kann ein Befestigungselement 40, 40' befestigt werden, wobei eine erste Ausführungsform des Befestigungselementes 40 scheibenförmig und eine alternative zweite Ausführungsform des Befestigungselementes 40' ringförmig ausgeführt ist. In beiden Ausführungsformen des Befestigungselementes 40, 40' wird zwischen Außenstirnfläche 26 und dem Befestigungselement 40, 40' ein als umlaufender Dichtring 42 ausgeführtes Dichtelement 42 dichtend eingepresst. Grundsätzlich kann vorgesehen sein, dass eine nicht näher dargestellte umlaufende Ringnut entweder in der Außenstirnfläche 26 oder in dem Befestigungselement 40, 40' vorgesehen ist, in die das Dichtelement 42 eingesetzt ist. Die Befestigung der Teile untereinander kann mit bekannten Mitteln in lösbarer oder unlösbarer Weise erfolgen.On the
Bei der ersten Alternative mit scheibenförmigem Befestigungselement 40 ist zwischen Befestigungselement 40 und dem Abschlussstück 30 bzw. 30' ein Raum 50 ausgebildet, der mit einem wärmedämmenden Material 60 ausgefüllt ist. Weiter sind in dem Raum mehrere Messelemente 70 vorgesehen, wobei die Messelemente 70 ein Messelement 72 zur Temperaturmessung, ein weiteres Messelement 74 zur Leckageüberwachung, ein Messelement 76 zur Überwachung des Zustandes von wenigstens einem nicht näher dargestellten Axialgleitlager und ein Messelement 78 zur Ermittlung der Druckbelastung des Abschlussstückes 30, 30' umfassen.In the first alternative with disc-shaped
Bei der Ausführungsform mit ringförmigem Befestigungselement 40' kann das wärmedämmende Material 60 am Anschlussstück 30, 30' ganz oder teilweise angeordnet sein. Ebenso kann es auch teilweise am ringförmigem Befestigungselement 40' befestigt sein. Dies ist abhängig von der den Eigenschaften des Materials gegenüber dem abzudichtenden Fluid. Die Messelemente 70 sind jedoch ortsgleich und funktionsgleich an der Außenseite des Abschlussstückes 30, 30' angeordnet.In the embodiment with annular fastening element 40 ', the heat-insulating
In
In
Dabei kann des Befestigungselement 240, 240' als scheibenförmiges Befestigungselement 240 oder als ringförmiges Befestigungselement 240' ausgeführt sein. Die in
Claims (15)
dadurch gekennzeichnet,
dass die Anschlussgeometrie (22, 222) sich kragenförmig nach innen erstreckt und zwei im Wesentlichen zueinander parallel und im Wesentlichen senkrecht zur Längsachse (X) der Primärhülle (20, 220) verlaufende Stirnflächen (24, 26, 224, 226) aufweist.A containment shell (10) with a primary shell (20, 220), in particular a containment shell (10) for a canned aggregate, wherein the primary shell (20, 220) has a cylindrical, non-metallic base body (21, 221) and one at one end of the primary shell (20, 220) located connection geometry (22, 222),
characterized,
in that the connection geometry (22, 222) extends in a collar-shaped manner inwards and has two end faces (24, 26, 224, 226) which extend essentially parallel to one another and substantially perpendicular to the longitudinal axis (X) of the primary shell (20, 220).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009033111A DE102009033111A1 (en) | 2009-07-15 | 2009-07-15 | containment shell |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2292932A2 true EP2292932A2 (en) | 2011-03-09 |
EP2292932A3 EP2292932A3 (en) | 2012-10-10 |
EP2292932B1 EP2292932B1 (en) | 2021-03-31 |
Family
ID=42676813
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10168522.0A Active EP2292932B1 (en) | 2009-07-15 | 2010-07-06 | Separating can |
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EP (1) | EP2292932B1 (en) |
DE (1) | DE102009033111A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3078115A1 (en) * | 2018-02-22 | 2019-08-23 | Wilo Intec | CIRCULATING PUMP OF A FLUID WITH NON-INTRUSIVE PRESSURE MEASUREMENT |
EP4008908A1 (en) * | 2020-12-02 | 2022-06-08 | Zi Yi Electrical Engineering Co., Ltd. | Canned motor pump with leak sensor |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202017005477U1 (en) | 2017-10-24 | 2017-11-20 | Ralph Funck | containment shell |
DE102019002392A1 (en) * | 2019-04-02 | 2020-10-08 | KSB SE & Co. KGaA | Thermal barrier |
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DE3626934A1 (en) | 1986-08-08 | 1988-02-11 | Klein Schanzlin & Becker Ag | CANOPY FOR A PERMANENT MAGNETIC CLUTCH |
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Publication number | Priority date | Publication date | Assignee | Title |
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FR3078115A1 (en) * | 2018-02-22 | 2019-08-23 | Wilo Intec | CIRCULATING PUMP OF A FLUID WITH NON-INTRUSIVE PRESSURE MEASUREMENT |
EP3530950A1 (en) * | 2018-02-22 | 2019-08-28 | Wilo Intec | Fluid circulation pump with non-intrusive pressure measurement |
EP4008908A1 (en) * | 2020-12-02 | 2022-06-08 | Zi Yi Electrical Engineering Co., Ltd. | Canned motor pump with leak sensor |
Also Published As
Publication number | Publication date |
---|---|
EP2292932B1 (en) | 2021-03-31 |
DE102009033111A1 (en) | 2011-02-03 |
EP2292932A3 (en) | 2012-10-10 |
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