DE102006061971A1 - Double flow screw-spindle pump for feeding e.g. multi-phase mixtures of crude oil and petroleum, has drive spindle and running spindle with profiled stacks, which are designed such that feeding chambers are opened in time-shifted manner - Google Patents
Double flow screw-spindle pump for feeding e.g. multi-phase mixtures of crude oil and petroleum, has drive spindle and running spindle with profiled stacks, which are designed such that feeding chambers are opened in time-shifted manner Download PDFInfo
- Publication number
- DE102006061971A1 DE102006061971A1 DE200610061971 DE102006061971A DE102006061971A1 DE 102006061971 A1 DE102006061971 A1 DE 102006061971A1 DE 200610061971 DE200610061971 DE 200610061971 DE 102006061971 A DE102006061971 A DE 102006061971A DE 102006061971 A1 DE102006061971 A1 DE 102006061971A1
- Authority
- DE
- Germany
- Prior art keywords
- spindle
- feeding
- stacks
- profile
- screw pump
- 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
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2/00—Rotary-piston machines or pumps
- F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C2/12—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
- F04C2/14—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
- F04C2/16—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2/00—Rotary-piston machines or pumps
- F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C2/082—Details specially related to intermeshing engagement type machines or pumps
- F04C2/084—Toothed wheels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2210/00—Fluid
- F04C2210/24—Fluid mixed, e.g. two-phase fluid
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
- Rotary Pumps (AREA)
Abstract
Description
Die Erfindung betrifft eine doppelflutige Schraubenspindelpumpe, insbesondere zur Förderung von Mehrphasengemischen, mit einem Gehäuse, in dem wenigstens eine Antriebsspindel und wenigstens eine Laufspindel aufgenommen ist, die ineinander greifen und mit dem Gehäuse einander gegenüberliegende Förderkammern bilden.The The invention relates to a double-flow screw pump, in particular to promote of multi-phase mixtures, with a housing in which at least one Drive spindle and at least one spindle is added, the mesh with each other and with the housing opposite each other delivery chambers form.
Schraubenspindelpumpen werden bei vielfältigen Anwendungen eingesetzt, um Fluide zu fördern. Dabei kann es sich sowohl um einphasige Medien wie zum Beispiel Rohöl oder Erdöl handeln, in vielen Fällen liegen jedoch auch Mehrphasengemische vor, bei denen zum Beispiel Rohöl und Erdgas gemeinsam gefördert werden.Screw pumps become diverse Applications used to promote fluids. It can be both to deal with single-phase media such as crude oil or petroleum, in many cases lie However, also multi-phase mixtures in which, for example, crude oil and natural gas in common promoted become.
Herkömmliche Schraubenspindelpumpen können zweispindelig ausgeführt und dadurch hydraulisch schubausgeglichen sein. Sie zeichnen sich durch einen berührungslosen Lauf des Spindelpaketes aus, bei dem jeglicher Kontakt des Spindelpaketes mit dem Gehäuse vermieden ist. Durch die Profilgeometrie der beiden sich drehenden Spindeln werden abgedichtete Kammern gebildet. Die Spindeln können beispielsweise zweigängig ausgebildet sein, die zweigängige Antriebsspindel rotiert dabei dichtkämmend mit der zweigängigen Laufspindel im Pumpengehäuse, die das Spindelpaket mit engem Spiel umschließt. Die Schraubenspindelpumpe fördert das Medium dabei kontinuierlich von den beiden Seiten zum Druckraum.conventional Screw pumps can two-spindle design and thereby hydraulically shear balanced. They stand out a non-contact Run the spindle package, in which any contact of the spindle package with the housing is avoided. Due to the profile geometry of the two rotating Spindles are formed sealed chambers. The spindles can, for example double thread be trained, the two-string The drive spindle rotates tightly with the double-flighted spindle in the pump housing, which encloses the spindle package with tight play. The screw pump promotes the medium thereby continuously from the two sides to the pressure space.
Wenn Flüssigkeiten gefördert werden, ergibt sich bei Schraubenspindelpumpen normalerweise ein linearer Druckaufbau entlang der Spindelrichtung. Beim Fördern von gasbeladenen Medien kann der Druckaufbau teilweise oder ganz zur Druckseite hin verschoben sein. Dabei kann es vorkommen, dass die Verdichtung der Gasphase teilweise oder vollständig erst beim Öffnen der Förderkammern zur Auslassseite hin erfolgt. Dieser Effekt hat zwei Auswirkungen auf das Verhalten der Schraubenspindelpumpe. Einerseits erhöht das aus der Druckseite in die Förderkammer rückexpandierende Fördermedium die Pulsationsamplitude der Schraubenspindelpumpe. Andererseits alternieren die aus dem Druckaufbau entlang des Spindelprofils resultierenden Reaktionskräfte auf die Spindeln in axialer Richtung und induzieren dadurch eine erzwungene Schwingung der Spindeln in Abhängigkeit der Umdrehungsgeschwindigkeit der Spindeln. Beide Effekte können zu inakzeptabel hohen Schwingungen der Schraubenspindelpumpe oder daran angebauter Komponenten führen, die nachteilig sind und eventuell zu einer Verkürzung der Lebensdauer beitragen.If liquids promoted usually results in screw pumps linear pressure build-up along the spindle direction. When promoting gas-laden media, the pressure build-up partially or completely to Be shifted towards the print side. It may happen that the Compression of the gas phase partially or completely only when opening the delivery chambers to the outlet side takes place. This effect has two effects on the behavior of the screw pump. On the one hand, this increases the pressure side in the delivery chamber rear expanding conveying medium the pulsation amplitude of the screw pump. on the other hand alternate the resulting from the pressure build-up along the spindle profile reaction forces on the spindles in the axial direction and thereby induce a forced oscillation of the spindles as a function of the rotational speed the spindles. Both effects can to unacceptably high vibrations of the screw pump or lead components attached thereto, which are disadvantageous and possibly contribute to a shortening of the life.
Der Erfindung liegt daher die Aufgabe zugrunde, eine Schraubenspindelpumpe anzugeben, bei der die Pulsations- und Schwingwerte bei der Förderung von Mehrphasengemischen verringert sind.Of the Invention is therefore the object of a screw pump specify at which the pulsation and vibration values in the promotion are reduced by multi-phase mixtures.
Zur Lösung dieser Aufgabe ist bei einer doppelflutigen Schraubenspindelpumpe der eingangs genannten Art erfindungsgemäß vorgesehen, dass die Profilpakete der Spindeln derart ausgebildet sind, dass die gegenüberliegenden Förderkammern zeitversetzt öffnen.to solution This task is with a double-flow screw pump of the aforementioned type according to the invention provided that the profile packages the spindles are formed such that the opposite delivery chambers open with a time delay.
Bei herkömmlichen Schraubenspindelpumpen sind die beiden gegenüberliegenden Profilpakete symmetrisch ausgebildet, sodass die Förderkammern jeweils gleichzeitig öffnen und schließen, wodurch sich die beschriebenen Schwingungen und Resonanzeffekte ergeben. Die Erfindung beruht auf der Erkenntnis, dass die unerwünschten Pulsationen, Schwingungen und Resonanzerscheinungen erheblich verringert oder sogar vollständig vermieden werden können, wenn die Profilpakete so gestaltet sind, dass die gegenüberliegenden Förderkammern zeitversetzt öffnen. Durch diese Modifikation kann eine Halbierung der Pulsations- und Vibrationsamplituden erzielt werden. Die Tatsache, dass sich die Frequenz dieser Schwingungen dadurch verdoppelt, ist nicht nachteilig. Ein weiterer Vorteil ist darin zu sehen, dass durch das zeitversetzte Öffnen der Förderkammern auch in angebauten oder nachgeschalteten Komponenten, z. B. in einem Rohrleitungssystem, Resonanzerscheinungen verringert oder ganz ausgeschlossen werden.at usual Screw pumps are the two opposite profile packages symmetrical trained so that the delivery chambers open simultaneously and close, resulting in the described vibration and resonance effects result. The invention is based on the recognition that the undesirable Pulsations, vibrations and resonance phenomena significantly reduced or even completely can be avoided if the profile packages are designed so that the opposite delivery chambers open with a time delay. This modification can halve the pulsation and Vibration amplitudes are achieved. The fact that the Frequency of these oscillations doubled, is not detrimental. Another advantage is the fact that the time-shifted opening of the delivery chambers also in attached or downstream components, eg. In one Piping system, reduced or completely eliminated resonance phenomena become.
Bei der erfindungsgemäßen Schraubenspindelpumpe kann das zeitversetzte Öffnen der Förderkammern bewirkt werden, indem die beiden gegenüberliegenden Abschnitte der Profilpakete unsymmetrisch ausgebildet sind. Dadurch öffnen die gegenüberliegenden Förderkammern zwingend zeitversetzt, sodass sich der gewünschte Effekt einstellt.at the screw pump according to the invention can the time-delayed opening the funding chambers be effected by the two opposite sections of the Profile packages are formed asymmetrically. This will open the opposite delivery chambers compellingly time-delayed, so that the desired effect occurs.
Gemäß einer ersten Variante der erfindungsgemäßen Schraubenspindelpumpe kann wenigstens ein Profilpaket axial abgedreht sein. Dazu wird ein herkömmliches, symmetrisches Profilpaket spanend bearbeitet, sodass das Öffnen und Schließen der entsprechenden Förderkammer nicht mehr symmetrisch zu der gegenüberliegenden Förderkammer erfolgt.According to one first variant of the screw pump according to the invention can at least one profile package be turned off axially. This is a conventional, symmetrical profile package machined so that the opening and Shut down the corresponding delivery chamber no longer symmetrical to the opposite delivery chamber he follows.
Alternativ kann es bei der erfindungsgemäßen Schraubenspindelpumpe vorgesehen sein, dass die einander gegenüberliegenden Abschnitte der Profilpakete gegeneinander verdreht sind. Bei dieser Variante ist eines der Profilpakete gegenüber dem anderen Profilpaket um einen Winkel von 30 bis 60° verdreht, vorzugsweise beträgt die Verdrehung der Profilpakete 45°.alternative it can in the screw pump according to the invention be provided that the opposite sections of the profile packages are twisted against each other. In this variant is one of the profile packages across from the other profile package is rotated by an angle of 30 to 60 °, preferably the rotation of the profile packages 45 °.
Weitere Vorteile und Einzelheiten der Erfindung werden anhand eines Ausführungsbeispiels unter Bezugnahme auf die Figuren erläutert. Die Figuren sind schematische Darstellungen und zeigen:Further advantages and details of the invention will be explained with reference to an embodiment with reference to the figures. The figu ren are schematic representations and show:
Die
in
Durch
die Modifikation der Profilpakete
Das der Erfindung zugrunde liegende Prinzip kann auch bei anders aufgebauten Schraubenspindelpumpen eingesetzt werden, beispielsweise bei Pumpen, die drei oder mehr Spindeln aufweisen. Daneben sind Ausführungen denkbar, bei denen die Spindeln im Vergleich zu dem dargestellten Ausführungsbeispiel entgegengesetzt laufen, sodass das geförderte Medium jeweils von der Mitte nach außen transportiert wird, in diesem Fall ist wenigstens ein Profilpaket an seinem äußeren Ende modifiziert, zum Beispiel durch Abfräsen.The The principle underlying the invention can also be constructed differently Screw pumps are used, for example in pumps, which have three or more spindles. There are also versions conceivable in which the spindles compared to the illustrated embodiment Run countercurrently, so that the funded medium each of the Transported to the middle is, in this case, at least one profile package at its outer end modified, for example by milling.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE200610061971 DE102006061971A1 (en) | 2006-12-21 | 2006-12-21 | Double flow screw-spindle pump for feeding e.g. multi-phase mixtures of crude oil and petroleum, has drive spindle and running spindle with profiled stacks, which are designed such that feeding chambers are opened in time-shifted manner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE200610061971 DE102006061971A1 (en) | 2006-12-21 | 2006-12-21 | Double flow screw-spindle pump for feeding e.g. multi-phase mixtures of crude oil and petroleum, has drive spindle and running spindle with profiled stacks, which are designed such that feeding chambers are opened in time-shifted manner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE102006061971A1 true DE102006061971A1 (en) | 2008-06-26 |
Family
ID=39431814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE200610061971 Ceased DE102006061971A1 (en) | 2006-12-21 | 2006-12-21 | Double flow screw-spindle pump for feeding e.g. multi-phase mixtures of crude oil and petroleum, has drive spindle and running spindle with profiled stacks, which are designed such that feeding chambers are opened in time-shifted manner |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE102006061971A1 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009015685A1 (en) | 2009-03-31 | 2010-10-07 | Robert Bosch Gmbh | Screw pumps arrangement |
| US20100278671A1 (en) * | 2009-04-30 | 2010-11-04 | General Electric Company | Method and apparatus for reducing particles in a screw pump lubricant |
| WO2010126650A3 (en) * | 2009-04-30 | 2011-03-24 | General Electric Company | Method and apparatus for managing fluid flow within a screw pump system |
| WO2017148846A1 (en) * | 2016-03-02 | 2017-09-08 | Bestsens Ag | Gear pump and method for monitoring a gear pump |
| WO2017194508A1 (en) * | 2016-05-10 | 2017-11-16 | Klaus Union Gmbh & Co. Kg | Screw pump |
| DE102020133760A1 (en) | 2020-12-16 | 2022-06-23 | Leistritz Pumpen Gmbh | Process for conveying a fluid through a screw pump and screw pump |
| CN115075998A (en) * | 2022-07-14 | 2022-09-20 | 陕西柴油机重工有限公司 | Energy-saving crude oil generating set fuel supply device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2421551A1 (en) * | 1973-05-06 | 1974-11-21 | Imo Industri Ab | DOUBLE SCREW PUMP |
-
2006
- 2006-12-21 DE DE200610061971 patent/DE102006061971A1/en not_active Ceased
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2421551A1 (en) * | 1973-05-06 | 1974-11-21 | Imo Industri Ab | DOUBLE SCREW PUMP |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009015685A1 (en) | 2009-03-31 | 2010-10-07 | Robert Bosch Gmbh | Screw pumps arrangement |
| WO2010112108A2 (en) | 2009-03-31 | 2010-10-07 | Robert Bosch Gmbh | Screw spindle pump arrangement |
| CN102803731B (en) * | 2009-04-30 | 2015-11-25 | 通用电气公司 | Method and apparatus for managing fluid flow within a progressive cavity pump system |
| WO2010126650A3 (en) * | 2009-04-30 | 2011-03-24 | General Electric Company | Method and apparatus for managing fluid flow within a screw pump system |
| GB2481767A (en) * | 2009-04-30 | 2012-01-04 | Gen Electric | Method and apparatus for managing fluid flow within a screw pump system |
| CN102803731A (en) * | 2009-04-30 | 2012-11-28 | 通用电气公司 | Method and apparatus for managing fluid flow within a screw pump system |
| US8419398B2 (en) | 2009-04-30 | 2013-04-16 | General Electric Company | Method and apparatus for managing fluid flow within a screw pump system |
| GB2481767B (en) * | 2009-04-30 | 2015-09-16 | Gen Electric | Method and apparatus for managing fluid flow within a screw pump system |
| US20100278671A1 (en) * | 2009-04-30 | 2010-11-04 | General Electric Company | Method and apparatus for reducing particles in a screw pump lubricant |
| WO2017148846A1 (en) * | 2016-03-02 | 2017-09-08 | Bestsens Ag | Gear pump and method for monitoring a gear pump |
| CN108700060A (en) * | 2016-03-02 | 2018-10-23 | 贝斯特森斯有限公司 | Gear pump and method for monitoring gear pump |
| WO2017194508A1 (en) * | 2016-05-10 | 2017-11-16 | Klaus Union Gmbh & Co. Kg | Screw pump |
| DE102020133760A1 (en) | 2020-12-16 | 2022-06-23 | Leistritz Pumpen Gmbh | Process for conveying a fluid through a screw pump and screw pump |
| US11725654B2 (en) | 2020-12-16 | 2023-08-15 | Leistritz Pumpen Gmbh | Method for conveying a fluid through a screw pump, and screw pump |
| CN115075998A (en) * | 2022-07-14 | 2022-09-20 | 陕西柴油机重工有限公司 | Energy-saving crude oil generating set fuel supply device |
| CN115075998B (en) * | 2022-07-14 | 2024-02-23 | 陕西柴油机重工有限公司 | Energy-saving crude oil generator set fuel supply device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| 8131 | Rejection |