EP2417358B1 - Compressor arrangement - Google Patents

Compressor arrangement Download PDF

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Publication number
EP2417358B1
EP2417358B1 EP10704735.9A EP10704735A EP2417358B1 EP 2417358 B1 EP2417358 B1 EP 2417358B1 EP 10704735 A EP10704735 A EP 10704735A EP 2417358 B1 EP2417358 B1 EP 2417358B1
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EP
European Patent Office
Prior art keywords
compressor
fluid
pressure value
compression
mass flow
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.)
Not-in-force
Application number
EP10704735.9A
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German (de)
French (fr)
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EP2417358A1 (en
Inventor
Philipp Gingter
Dieter Weckmüller
Karl-Heinz Dreyer
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MAN Energy Solutions SE
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MAN Diesel and Turbo SE
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Publication of EP2417358A1 publication Critical patent/EP2417358A1/en
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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
    • F04D25/00—Pumping installations or systems
    • F04D25/16—Combinations of two or more pumps ; Producing two or more separate gas flows
    • F04D25/163—Combinations of two or more pumps ; Producing two or more separate gas flows driven by a common gearing arrangement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/16—Combinations of two or more pumps ; Producing two or more separate gas flows
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D17/02—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps having non-centrifugal stages, e.g. centripetal
    • F04D17/025—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps having non-centrifugal stages, e.g. centripetal comprising axial flow and radial flow stages
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D17/08—Centrifugal pumps
    • F04D17/10—Centrifugal pumps for compressing or evacuating
    • F04D17/12—Multi-stage pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D19/00—Axial-flow pumps
    • F04D19/02—Multi-stage pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/002—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by varying geometry within the pumps, e.g. by adjusting vanes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/003—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by throttling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/004—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by varying driving speed
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/02—Surge control
    • F04D27/0246—Surge control by varying geometry within the pumps, e.g. by adjusting vanes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
    • F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps

Definitions

  • the invention relates to a compressor arrangement with an axial compressor and a radial compressor.
  • Out DE 1 628 242 A1 is a compressor system is known, which consists of a four-stage geared turbocompressor and an upstream axial compressor.
  • Out DE 1 959 754 A1 is a multi-stage, inter-cooled turbo-compressor with axial and radial stages known.
  • centrifugal compressor for freezing processes with a motor assembly is known, at both ends of each a centrifugal compressor is arranged.
  • the compressors each represent each other mirrored versions and are structurally largely built on the same principle.
  • the invention has for its object to provide a compressor assembly with two axially successively arranged compressors, axial compressors and centrifugal compressors should meet the requirements of different processes.
  • a compressor assembly is provided with an axial compressor and a radial compressor, wherein the axial compressor and the centrifugal compressor are arranged axially one behind the other on a common drive shaft which can be coupled to a drive and each have a compression fluid inlet and a compression fluid outlet, wherein the axial compressor is provided with first control means and the radial compressor is provided with second control means, and wherein the first and the second control means are separately controllable, so that the axial compressor and the centrifugal compressor are separately controllable.
  • a compact compressor arrangement with an axial compressor and a radial compressor wherein axial compressors and centrifugal compressors can meet the requirements of different processes.
  • the second control means on inlet guide vanes, which are arranged at the compression fluid inlet of the centrifugal compressor in front of a first impeller of the centrifugal compressor.
  • the axial compressor and the centrifugal compressor on a common housing, wherein sealing means are provided, so that in the housing, a compression fluid transfer between the axial compressor and the centrifugal compressor is prevented.
  • a moisture transfer from the axial compressor to the centrifugal compressor is preferably prevented by the sealing means.
  • the axial compressor is set up to compress a fluid mass flow supplied to the compression fluid inlet of the axial compressor to a fluidized mass flow which can be tapped off at the compression fluid outlet of the axial compressor with a second pressure value increased relative to the first pressure value
  • the radial compressor is set up, one with a third pressure value the fluid mass flow supplied to the compression fluid inlet of the centrifugal compressor to compress a fluid mass flow tapped off at the compression fluid outlet of the centrifugal compressor with a fourth pressure value increased relative to the second pressure value and the third pressure value.
  • the centrifugal compressor is arranged to receive about 30 percent of the fluid mass flow delivered from the compression fluid outlet of the axial compressor via its compression fluid inlet.
  • the first pressure value is approximately 1 bar and the second pressure value is approximately 3.2 bar.
  • the third pressure value is approximately equal to the second pressure value.
  • the third pressure value is approximately 3 bar.
  • the fourth pressure value is approximately 5 bar.
  • the compressor assembly further comprises a fluid humidifier having a first fluid inlet, a second fluid inlet and a fluid outlet and configured to dehumidify a fluid mass flow supplied thereto via the first fluid inlet, the first fluid inlet of the fluid humidifier being in communication with the compression fluid outlet the fluid compressor is fluidly connected to the axial compressor, and wherein the fluid outlet of the Fluidentfeuchtungs adopted is fluidly connected to the compression fluid inlet of the centrifugal compressor.
  • the fluid dampening device is configured to divide the fluid mass flow supplied thereto via the first fluid inlet in such a way that about 30 percent of the fluid mass flow supplied thereto via the first fluid inlet can be tapped off as a completely dehumidified fluid mass flow at its fluid outlet.
  • the second fluid inlet of the fluid humidifier is fluidly connected to the compression fluid outlet of the centrifugal compressor.
  • the radial compressor is equipped with inlet guide vanes in front of the first radial impeller, with axial compressors and centrifugal compressors being controlled separately, so that both different processes can be accommodated.
  • the axial compressor is used as a so-called Main Air Compressor (MAC) in that the axial compressor compresses filtered ambient air, the radial compressor being used as a so-called booster air compressor (BAC) which compresses completely dried air.
  • MAC Main Air Compressor
  • BAC booster air compressor
  • the mass and volume flows of axial compressor and centrifugal compressor differ significantly, wherein according to an embodiment of the invention, the fluid mass flow of the centrifugal compressor is 1/3 or 30 percent of the fluid mass flow of the axial compressor.
  • the entire strand or the compressor assembly according to the invention can be offered cost-optimized.
  • FIGS. 1 and 2 show a compressor assembly 1 with an axial compressor 10, a radial compressor 20, which are arranged axially one behind the other on a common drive shaft 30, and a Fluidentfeuchtungs Rhein 40th
  • the drive shaft 30 is selectively drivingly coupled to a drive 60 via a clutch assembly 50, the drive 60 having an electric motor 61, a transmission 62 and a clutch assembly 63 via which the electric motor 61 is drivingly coupled to the transmission 62.
  • the axial compressor 10 has a compression fluid inlet 11 and a compression fluid outlet 12.
  • the centrifugal compressor 20 has a compression fluid inlet 21 and a compression fluid outlet 22.
  • the fluid moistening device 40 has a first fluid inlet 41, a second fluid inlet 42 and a fluid outlet 43.
  • the fluid humidification device 40 is set up to dehumidify a fluid mass flow supplied to it via the first fluid inlet 41 and to divide the fluid mass flow supplied thereto via the first fluid inlet 41 such that at its fluid outlet 42 approximately 30 percent of the fluid mass flow supplied thereto via the first fluid inlet 41 is completely dehumidified Fluid mass flow can be tapped.
  • the first fluid inlet 41 of the fluid humidifier 40 is fluidly connected to the compression fluid outlet 12 of the axial compressor 10
  • the second fluid inlet 42 of the fluid humidifier 40 is fluidly connected to the compression fluid outlet 22 of the centrifugal compressor 20
  • the fluid outlet 43 of the fluid humidifier 40 is fluidly connected to the compression fluid inlet 21 of the radial compressor 20.
  • the compression fluid inlet 11 of the axial compressor 10 can be supplied via a filter system 70 with ambient air determined moisture content as a compression fluid.
  • a compression fluid any compressible fluid can be used.
  • the axial compressor 10 is provided with first control means having adjustable vanes (not shown).
  • the radial compressor 20 is provided with second control means having adjustable inlet guide vanes 23, which are arranged at the compression fluid inlet 21 of the radial compressor 20 in front of a first impeller 24 of the radial compressor 20.
  • the first and the second control means are separately controllable via actuators, not shown, so that the axial compressor 10 and the radial compressor 20, in particular with respect to each transported fluid mass flow and the respective degree of compression, are separately controllable.
  • the axial compressor 10 and the centrifugal compressor 20 have a two common housing G, wherein sealing means D are provided, so that in the housing G, a compression fluid transfer between the axial compressor 10 and the radial compressor 20 is prevented. More specifically, according to one embodiment of the invention by means of the sealing means D prevents moist air from the axial compressor flows into the centrifugal compressor.
  • the axial compressor 10 is set up to compress a fluid mass flow FMS1 fed to the compression fluid inlet 11 of the axial compressor 10 from the filter system 70 to a fluid mass flow FMS2 tapped at the compression fluid outlet 12 of the axial compressor 10 with a second pressure value which is higher than the first pressure value.
  • the fluid mass flow FMS2 which can be picked off at the compression fluid outlet 12 of the axial compressor 10 is supplied to the first fluid inlet 41 of the fluid dampening device 40.
  • the first pressure value is approximately 1 bar and the second pressure value is approximately 3.2 bar.
  • the Fluidentfeuchtungs beautiful 40 which is designed according to an embodiment of the invention as an air separation plant for generating oxygen with low degree of purity, divides the supplied via the first fluid input 41 from the axial compressor 10 from the mass flow of fluid FMS2 so that at the fluid outlet 43 of the Fluidentfeuchtungs responded 40 about 30 percent of the Fluidentfeuchtungs annoying 40 via the first fluid inlet 41 from Axial compressor 10 from supplied fluid mass flow FMS2 can be tapped off as a fully dehumidified fluid mass flow FMS3 with a third pressure value.
  • the completely dehumidified fluid mass flow FMS3 is supplied from the fluid outlet 43 from the compression fluid inlet 21 of the radial compressor 20.
  • the third pressure value is approximately equal to the second pressure value and is in particular approximately 3 bar.
  • the centrifugal compressor 20 is arranged to receive via its compression fluid inlet 21 the approximately 30 percent of the fluid mass flow FMS2 discharged from the compression fluid outlet 12 of the axial compressor 10 or the fluid mass flow FMS3 supplied by the fluid outlet 43 to the fluid humidification device 40.
  • the radial compressor 20 is further configured to compress the fluid mass flow FMS3 fed to the compression fluid inlet 21 of the centrifugal compressor 20 with the third pressure value to a completely dry fluid mass flow FMS4 tapped at the compression fluid outlet 22 of the centrifugal compressor 20 with a fourth pressure value which is higher than the second pressure value and the third pressure value.
  • the fourth pressure value is approximately 5 bar.
  • first to fourth pressure values may be higher or lower according to further embodiments of the invention.
  • the completely dry fluid mass flow FMS4 which can be tapped off at the compression fluid outlet 22 of the radial compressor 20 is then fed back to the fluid dampening device 40 via its second fluid inlet 42.
  • the radial compressor 10 is equipped with inlet guide vanes 23 in front of the first radial impeller 24, wherein axial compressor 10 and centrifugal compressor 20 are regulated separately as individual compressors of a compression train, so that both different processes can do justice.
  • the axial compressor 10 is used as a so-called Main Air Compressor (MAC) in that the axial compressor 10 compresses ambient air filtered by means of the filter system 70, the radial compressor 20 being used as a so-called booster air compressor (BAC), which completely dried air compacted.
  • MAC Main Air Compressor
  • BAC booster air compressor
  • the mass or volume flows of axial compressor 10 and centrifugal compressor 20 differ significantly, and according to one embodiment of the invention, the fluid mass flow FMS3 or FMS4 of the radial compressor 20 one third and 30 percent of the fluid mass flow FMS1 or FMS2 (100 percent) of the axial compressor 10 is. According to one embodiment of the invention, it is further ensured via the sealing means D that no moisture from the axial compressor 10 enters the centrifugal compressor 20.
  • the axial compressor 10 and the centrifugal compressor 20 have a common housing G, whereby a separate housing for the centrifugal compressor 20 and additional components (such as intermediate gear and clutches) are avoided, which for connecting two separate compressor housing in a compression train would be necessary.
  • additional components such as intermediate gear and clutches

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Description

Die Erfindung betrifft eine Verdichteranordnung mit einem Axialverdichter und einem Radialverdichter.The invention relates to a compressor arrangement with an axial compressor and a radial compressor.

Aus DE 547 354 C ist eine vereinigte Axial- und Radialturbine bekannt.Out DE 547 354 C is a unified axial and radial turbine known.

Aus DE 1 628 242 A1 ist eine Verdichteranlage bekannt, die aus einem Vierstufen-Getriebe-Turboverdichter und einem vorgeschalteten Axialverdichter besteht.Out DE 1 628 242 A1 is a compressor system is known, which consists of a four-stage geared turbocompressor and an upstream axial compressor.

Aus DE 1 959 754 A1 ist ein mehrstufiger, zwischengekühlter Getriebe-Turboverdichter mit Axial- und Radialstufen bekannt.Out DE 1 959 754 A1 is a multi-stage, inter-cooled turbo-compressor with axial and radial stages known.

Aus der WO03/072946 A1 ist ein Zentrifugalkompressor für Gefrierprozesse mit einer Motoranordnung bekannt, an deren beiden Enden jeweils ein Zentrifugalkompressor angeordnet ist. Die Kompressoren stellen jeweils zueinander gespiegelte Versionen dar und sind konstruktiv weitgehend nach gleichem Prinzip aufgebaut.From the WO03 / 072946 A1 a centrifugal compressor for freezing processes with a motor assembly is known, at both ends of each a centrifugal compressor is arranged. The compressors each represent each other mirrored versions and are structurally largely built on the same principle.

Der Erfindung liegt die Aufgabe zugrunde, eine Verdichteranordnung mit zwei axial hintereinander angeordneten Verdichtern bereitzustellen, wobei Axialverdichter und Radialverdichter den Anforderungen unterschiedlicher Prozesse gerecht werden sollen.The invention has for its object to provide a compressor assembly with two axially successively arranged compressors, axial compressors and centrifugal compressors should meet the requirements of different processes.

Dies wird mit einer Verdichteranordnung gemäß Anspruch 1 erreicht. Weiterbildungen der Erfindung sind in den abhängigen Ansprüchen definiert. Gemäß der Erfindung wird eine Verdichteranordnung mit einem Axialverdichter und einem Radialverdichter bereitgestellt, wobei der Axialverdichter und der Radialverdichter axial hintereinander auf einer gemeinsamen mit einem Antrieb kuppelbaren Antriebswelle angeordnet sind und jeweils einen Verdichtungsfluideingang und einen Verdichtungsfluidausgang aufweisen, wobei der Axialverdichter mit ersten Steuermitteln versehen ist und der Radialverdichter mit zweiten Steuermitteln versehen ist, und wobei die ersten und die zweiten Steuermittel separat ansteuerbar sind, so dass der Axialverdichter und der Radialverdichter separat steuerbar sind.This is achieved with a compressor arrangement according to claim 1. Further developments of the invention are defined in the dependent claims. According to the invention, a compressor assembly is provided with an axial compressor and a radial compressor, wherein the axial compressor and the centrifugal compressor are arranged axially one behind the other on a common drive shaft which can be coupled to a drive and each have a compression fluid inlet and a compression fluid outlet, wherein the axial compressor is provided with first control means and the radial compressor is provided with second control means, and wherein the first and the second control means are separately controllable, so that the axial compressor and the centrifugal compressor are separately controllable.

Mit der erfindungsgemäßen Lösung wird eine kompakte Verdichteranordnung mit einem Axialverdichter und einem Radialverdichter geschaffen, wobei Axialverdichter und Radialverdichter den Anforderungen unterschiedlicher Prozessen gerecht werden können. Dies wird insbesondere dadurch erreicht, dass Axialverdichter und Radialverdichter auf einer gemeinsamen Antriebswelle angeordnet sind und mit jeweiligen separat ansteuerbaren Steuermitteln versehen sind.With the solution according to the invention, a compact compressor arrangement with an axial compressor and a radial compressor is provided, wherein axial compressors and centrifugal compressors can meet the requirements of different processes. This is achieved in particular in that axial compressor and radial compressor are arranged on a common drive shaft and are provided with respective separately controllable control means.

Gemäß einer Ausführungsform der Erfindung weisen die zweiten Steuermittel Eintrittsleitschaufeln auf, die am Verdichtungsfluideingang des Radialverdichters vor einem ersten Laufrad des Radialverdichters angeordnet sind.According to one embodiment of the invention, the second control means on inlet guide vanes, which are arranged at the compression fluid inlet of the centrifugal compressor in front of a first impeller of the centrifugal compressor.

Gemäß einer Ausführungsform der Erfindung weisen der Axialverdichter und der Radialverdichter ein beiden gemeinsames Gehäuse auf, wobei Dichtungsmittel vorgesehen sind, so dass in dem Gehäuse ein Verdichtungsfluidübergang zwischen dem Axialverdichter und dem Radialverdichter verhindert wird. Bevorzugt wird durch die Dichtungsmittel ein Feuchtigkeitsübergang vom Axialverdichter zum Radialverdichter verhindert.According to one embodiment of the invention, the axial compressor and the centrifugal compressor on a common housing, wherein sealing means are provided, so that in the housing, a compression fluid transfer between the axial compressor and the centrifugal compressor is prevented. A moisture transfer from the axial compressor to the centrifugal compressor is preferably prevented by the sealing means.

Durch das gemeinsame Gehäuse können ein separates Radialverdichter-Gehäuse sowie zusätzliche Komponenten (wie z.B. Zwischengetriebe und Kupplungen) vermieden werden, welche zur Verbindung zweier separater Verdichter-Gehäuse in einem Strang notwendig wären. Im Ergebnis kann der gesamte Strang bzw. die erfindungsgemäße Verdichteranordnung kostenoptimiert angeboten werden.Due to the common housing, a separate radial compressor housing and additional components (such as intermediate gear and Couplings) are avoided, which would be necessary for the connection of two separate compressor housing in a strand. As a result, the entire strand or the compressor assembly according to the invention can be offered cost-optimized.

Gemäß einer Ausführungsform der Erfindung ist der Axialverdichter eingerichtet, einen mit einem ersten Druckwert dem Verdichtungsfluideingang des Axialverdichters zugeführten Fluidmassenstrom auf einen am Verdichtungsfluidausgang des Axialverdichters abgreifbaren Fluidmassenstrom mit einem gegenüber dem ersten Druckwert erhöhten zweiten Druckwert zu verdichten, wobei der Radialverdichter eingerichtet ist, einen mit einem dritten Druckwert dem Verdichtungsfluideingang des Radialverdichters zugeführten Fluidmassenstrom auf einen am Verdichtungsfluidausgang des Radialverdichters abgreifbaren Fluidmassenstrom mit einem gegenüber dem zweiten Druckwert und dem dritten Druckwert erhöhten vierten Druckwert zu verdichten.According to one embodiment of the invention, the axial compressor is set up to compress a fluid mass flow supplied to the compression fluid inlet of the axial compressor to a fluidized mass flow which can be tapped off at the compression fluid outlet of the axial compressor with a second pressure value increased relative to the first pressure value, wherein the radial compressor is set up, one with a third pressure value the fluid mass flow supplied to the compression fluid inlet of the centrifugal compressor to compress a fluid mass flow tapped off at the compression fluid outlet of the centrifugal compressor with a fourth pressure value increased relative to the second pressure value and the third pressure value.

Gemäß einer Ausführungsform der Erfindung ist der Radialverdichter eingerichtet, über seinen Verdichtungsfluideingang etwa 30 Prozent des aus dem Verdichtungsfluidausgang des Axialverdichters abgegebenen Fluidmassenstroms aufzunehmen.According to one embodiment of the invention, the centrifugal compressor is arranged to receive about 30 percent of the fluid mass flow delivered from the compression fluid outlet of the axial compressor via its compression fluid inlet.

Gemäß einer Ausführungsform der Erfindung beträgt der erste Druckwert in etwa 1 bar beträgt und der zweite Druckwert in etwa 3,2 bar.According to one embodiment of the invention, the first pressure value is approximately 1 bar and the second pressure value is approximately 3.2 bar.

Gemäß einer Ausführungsform der Erfindung ist der dritte Druckwert in etwa gleich dem zweiten Druckwert.According to one embodiment of the invention, the third pressure value is approximately equal to the second pressure value.

Gemäß einer Ausführungsform der Erfindung beträgt der dritte Druckwert in etwa 3 bar.According to one embodiment of the invention, the third pressure value is approximately 3 bar.

Gemäß einer Ausführungsform der Erfindung beträgt der vierte Druckwert in etwa 5 bar.According to one embodiment of the invention, the fourth pressure value is approximately 5 bar.

Gemäß einer Ausführungsform der Erfindung weist die Verdichteranordnung ferner eine Fluidentfeuchtungseinrichtung auf, die einen ersten Fluideingang, einen zweiten Fluideingang und einen Fluidausgang aufweist und die eingerichtet ist, einen ihr über den ersten Fluideingang zugeführten Fluidmassenstrom zu entfeuchten, wobei der erste Fluideingang der Fluidentfeuchtungseinrichtung mit dem Verdichtungsfluidausgang des Axialverdichters fluidverbunden ist, und wobei der Fluidausgang der Fluidentfeuchtungseinrichtung mit dem Verdichtungsfluideingang des Radialverdichters fluidverbunden ist.According to one embodiment of the invention, the compressor assembly further comprises a fluid humidifier having a first fluid inlet, a second fluid inlet and a fluid outlet and configured to dehumidify a fluid mass flow supplied thereto via the first fluid inlet, the first fluid inlet of the fluid humidifier being in communication with the compression fluid outlet the fluid compressor is fluidly connected to the axial compressor, and wherein the fluid outlet of the Fluidentfeuchtungseinrichtung is fluidly connected to the compression fluid inlet of the centrifugal compressor.

Gemäß einer Ausführungsform der Erfindung ist die Fluidentfeuchtungseinrichtung eingerichtet, den ihr über den ersten Fluideingang zugeführten Fluidmassenstrom so aufzuteilen, dass an ihrem Fluidausgang etwa 30 Prozent des ihr über den ersten Fluideingang zugeführten Fluidmassenstroms als vollständig entfeuchteter Fluidmassenstrom abgreifbar sind.According to one embodiment of the invention, the fluid dampening device is configured to divide the fluid mass flow supplied thereto via the first fluid inlet in such a way that about 30 percent of the fluid mass flow supplied thereto via the first fluid inlet can be tapped off as a completely dehumidified fluid mass flow at its fluid outlet.

Gemäß einer Ausführungsform der Erfindung ist der zweite Fluideingang der Fluidentfeuchtungseinrichtung mit dem Verdichtungsfluidausgang des Radialverdichters fluidverbunden.According to one embodiment of the invention, the second fluid inlet of the fluid humidifier is fluidly connected to the compression fluid outlet of the centrifugal compressor.

Im Fazit ist gemäß einer Ausführungsform der Erfindung der Radialverdichter mit Eintrittsleitschaufeln vor dem ersten radialen Laufrad ausgestattet, wobei Axialverdichter und Radialverdichter separat geregelt werden, so dass beide unterschiedlichen Prozessen gerecht werden können. Gemäß einer Ausführungsform der Erfindung wird der Axialverdichter als sogenannter Main Air Compressor (MAC) verwendet, indem der Axialverdichter filtrierte Umgebungsluft verdichtet, wobei der Radialverdichter als sogenannter Booster Air Compressor (BAC) verwendet wird, welcher vollständig getrocknete Luft verdichtet. Die Massen- bzw. Volumenströme von Axialverdichter und Radialverdichter unterscheiden sich dabei signifikant, wobei gemäß einer Ausführungsform der Erfindung der Fluidmassenstrom des Radialverdichters 1/3 bzw. 30 Prozent des Fluidmassenstroms des Axialverdichters beträgt. Gemäß einer Ausführungsform der Erfindung wird ferner gewährleistet, dass keine Feuchtigkeit vom Axialverdichter in den Radialverdichter gelangt. Gemäß einer Ausführungsform der Erfindung werden ferner ein separates Radialverdichter-Gehäuse sowie zusätzliche Komponenten (wie z.B. Zwischengetriebe und Kupplungen) vermieden, welche zur Verbindung zweier separater Verdichter-Gehäuse in einem Strang notwendig wären. Im Fazit kann der gesamte Strang bzw. die erfindungsgemäße Verdichteranordnung kostenoptimiert angeboten werden.In conclusion, according to one embodiment of the invention, the radial compressor is equipped with inlet guide vanes in front of the first radial impeller, with axial compressors and centrifugal compressors being controlled separately, so that both different processes can be accommodated. According to one embodiment of the invention, the axial compressor is used as a so-called Main Air Compressor (MAC) in that the axial compressor compresses filtered ambient air, the radial compressor being used as a so-called booster air compressor (BAC) which compresses completely dried air. The mass and volume flows of axial compressor and centrifugal compressor differ significantly, wherein according to an embodiment of the invention, the fluid mass flow of the centrifugal compressor is 1/3 or 30 percent of the fluid mass flow of the axial compressor. According to one embodiment of the invention it is further ensured that no moisture from the axial compressor enters the centrifugal compressor. According to one embodiment of the invention, a separate radial compressor housing and additional components (such as intermediate gears and clutches), which would be necessary to connect two separate compressor housings in one strand, are further avoided. In conclusion, the entire strand or the compressor assembly according to the invention can be offered cost-optimized.

Im Folgenden wird die Erfindung anhand einer bevorzugten Ausführungsform und unter Bezugnahme auf die beigefügten Figuren detaillierter beschrieben.

Fig.1
zeigt eine schematische Ansicht einer Verdichteranordnung gemäß einer Ausführungsform der Erfindung.
Fig.2
zeigt eine schematische Schnittansicht des Axialverdichters und des Radialverdichters der Verdichteranordnung von Fig.1
In the following the invention will be described in more detail by means of a preferred embodiment and with reference to the attached figures.
Fig.1
shows a schematic view of a compressor assembly according to an embodiment of the invention.
Fig.2
shows a schematic sectional view of the axial compressor and the radial compressor of the compressor assembly of Fig.1

Die Figuren 1 und 2 zeigen eine Verdichteranordnung 1 mit einem Axialverdichter 10, einem Radialverdichter 20, die axial hintereinander auf einer gemeinsamen Antriebswelle 30 angeordnet sind, und einer Fluidentfeuchtungseinrichtung 40.The FIGS. 1 and 2 show a compressor assembly 1 with an axial compressor 10, a radial compressor 20, which are arranged axially one behind the other on a common drive shaft 30, and a Fluidentfeuchtungseinrichtung 40th

Die Antriebswelle 30 ist über eine Kupplungsanordnung 50 selektiv antriebsmäßig mit einem Antrieb 60 kuppelbar, wobei der Antrieb 60 einen Elektromotor 61, ein Getriebe 62 und eine Kupplungsanordnung 63 aufweist, über die der Elektromotor 61 antriebsmäßig mit dem Getriebe 62 gekuppelt ist.The drive shaft 30 is selectively drivingly coupled to a drive 60 via a clutch assembly 50, the drive 60 having an electric motor 61, a transmission 62 and a clutch assembly 63 via which the electric motor 61 is drivingly coupled to the transmission 62.

Der Axialverdichter 10 weist einen Verdichtungsfluideingang 11 und einen Verdichtungsfluidausgang 12 auf. Der Radialverdichter 20 weist einen Verdichtungsfluideingang 21 und einen Verdichtungsfluidausgang 22 auf.The axial compressor 10 has a compression fluid inlet 11 and a compression fluid outlet 12. The centrifugal compressor 20 has a compression fluid inlet 21 and a compression fluid outlet 22.

Die Fluidentfeuchtungseinrichtung 40 weist einen ersten Fluideingang 41, einen zweiten Fluideingang 42 und einen Fluidausgang 43 auf. Die Fluidentfeuchtungseinrichtung 40 ist eingerichtet, einen ihr über den ersten Fluideingang 41 zugeführten Fluidmassenstrom zu entfeuchten und den ihr über den ersten Fluideingang 41 zugeführten Fluidmassenstrom so aufzuteilen, dass an ihrem Fluidausgang 42 etwa 30 Prozent des ihr über den ersten Fluideingang 41 zugeführten Fluidmassenstroms als vollständig entfeuchteter Fluidmassenstrom abgreifbar sind.The fluid moistening device 40 has a first fluid inlet 41, a second fluid inlet 42 and a fluid outlet 43. The fluid humidification device 40 is set up to dehumidify a fluid mass flow supplied to it via the first fluid inlet 41 and to divide the fluid mass flow supplied thereto via the first fluid inlet 41 such that at its fluid outlet 42 approximately 30 percent of the fluid mass flow supplied thereto via the first fluid inlet 41 is completely dehumidified Fluid mass flow can be tapped.

Der erste Fluideingang 41 der Fluidentfeuchtungseinrichtung 40 ist mit dem Verdichtungsfluidausgang 12 des Axialverdichters 10 fluidverbunden, der zweite Fluideingang 42 der Fluidentfeuchtungseinrichtung 40 ist mit dem Verdichtungsfluidausgang 22 des Radialverdichters 20 fluidverbunden und der Fluidausgang 43 der Fluidentfeuchtungseinrichtung 40 ist mit dem Verdichtungsfluideingang 21 des Radialverdichters 20 fluidverbunden.The first fluid inlet 41 of the fluid humidifier 40 is fluidly connected to the compression fluid outlet 12 of the axial compressor 10, the second fluid inlet 42 of the fluid humidifier 40 is fluidly connected to the compression fluid outlet 22 of the centrifugal compressor 20 and the fluid outlet 43 of the fluid humidifier 40 is fluidly connected to the compression fluid inlet 21 of the radial compressor 20.

Der Verdichtungsfluideingang 11 des Axialverdichters 10 ist über eine Filteranlage 70 mit Umgebungsluft bestimmten Feuchtigkeitsgehaltes als Verdichtungsfluid versorgbar. Als Verdichtungsfluid kann jedoch jedes kompressible Fluid zum Einsatz kommen.The compression fluid inlet 11 of the axial compressor 10 can be supplied via a filter system 70 with ambient air determined moisture content as a compression fluid. As a compression fluid, however, any compressible fluid can be used.

Der Axialverdichter 10 ist mit ersten Steuermitteln versehen, die verstellbare Leitschaufeln (nicht gezeigt) aufweisen. Der Radialverdichter 20 ist mit zweiten Steuermitteln versehen, die verstellbare Eintrittsleitschaufeln 23 aufweisen, die am Verdichtungsfluideingang 21 des Radialverdichters 20 vor einem ersten Laufrad 24 des Radialverdichters 20 angeordnet sind.The axial compressor 10 is provided with first control means having adjustable vanes (not shown). The radial compressor 20 is provided with second control means having adjustable inlet guide vanes 23, which are arranged at the compression fluid inlet 21 of the radial compressor 20 in front of a first impeller 24 of the radial compressor 20.

Die ersten und die zweiten Steuermittel sind über nicht gezeigte Stellglieder separat ansteuerbar, so dass der Axialverdichter 10 und der Radialverdichter 20, insbesondere hinsichtlich jeweils transportiertem Fluidmassenstrom und jeweiligem Verdichtungsgrad, separat steuerbar sind.The first and the second control means are separately controllable via actuators, not shown, so that the axial compressor 10 and the radial compressor 20, in particular with respect to each transported fluid mass flow and the respective degree of compression, are separately controllable.

Wie insbesondere aus Fig.2 ersichtlich, weisen der Axialverdichter 10 und der Radialverdichter 20 ein beiden gemeinsames Gehäuse G auf, wobei Dichtungsmittel D vorgesehen sind, so dass in dem Gehäuse G ein Verdichtungsfluidübergang zwischen dem Axialverdichter 10 und dem Radialverdichter 20 verhindert wird. Genauer gesagt wird gemäß einer Ausführungsform der Erfindung mittels der Dichtungsmittel D verhindert, dass feuchte Luft aus dem Axialverdichter in den Radialverdichter überströmt.As in particular from Fig.2 As can be seen, the axial compressor 10 and the centrifugal compressor 20 have a two common housing G, wherein sealing means D are provided, so that in the housing G, a compression fluid transfer between the axial compressor 10 and the radial compressor 20 is prevented. More specifically, according to one embodiment of the invention by means of the sealing means D prevents moist air from the axial compressor flows into the centrifugal compressor.

Der Axialverdichter 10 ist eingerichtet, einen mit einem ersten Druckwert dem Verdichtungsfluideingang 11 des Axialverdichters 10 aus der Filteranlage 70 zugeführten Fluidmassenstrom FMS1 auf einen am Verdichtungsfluidausgang 12 des Axialverdichters 10 abgreifbaren Fluidmassenstrom FMS2 mit einem gegenüber dem ersten Druckwert erhöhten zweiten Druckwert zu verdichten. Der am Verdichtungsfluidausgang 12 des Axialverdichters 10 abgreifbare Fluidmassenstrom FMS2 wird dem ersten Fluideingang 41 der Fluidentfeuchtungseinrichtung 40 zugeführt. Gemäß einer Ausführungsform der Erfindung beträgt der erste Druckwert in etwa 1 bar und beträgt der zweite Druckwert in etwa 3,2 bar.The axial compressor 10 is set up to compress a fluid mass flow FMS1 fed to the compression fluid inlet 11 of the axial compressor 10 from the filter system 70 to a fluid mass flow FMS2 tapped at the compression fluid outlet 12 of the axial compressor 10 with a second pressure value which is higher than the first pressure value. The fluid mass flow FMS2 which can be picked off at the compression fluid outlet 12 of the axial compressor 10 is supplied to the first fluid inlet 41 of the fluid dampening device 40. According to one embodiment of the invention, the first pressure value is approximately 1 bar and the second pressure value is approximately 3.2 bar.

Die Fluidentfeuchtungseinrichtung 40, welche gemäß einer Ausführungsform der Erfindung als Luftzerlegungsanlage zur Erzeugung von Sauerstoff mit geringem Reinheitsgrad ausgebildet ist, teilt den ihr über den ersten Fluideingang 41 vom Axialverdichter 10 aus zugeführten Fluidmassenstrom FMS2 so auf, dass am Fluidausgang 43 der Fluidentfeuchtungseinrichtung 40 etwa 30 Prozent des der Fluidentfeuchtungseinrichtung 40 über den ersten Fluideingang 41 vom Axialverdichter 10 aus zugeführten Fluidmassenstrom FMS2 als vollständig entfeuchteter Fluidmassenstrom FMS3 mit einem dritten Druckwert abgreifbar sind.The Fluidentfeuchtungseinrichtung 40, which is designed according to an embodiment of the invention as an air separation plant for generating oxygen with low degree of purity, divides the supplied via the first fluid input 41 from the axial compressor 10 from the mass flow of fluid FMS2 so that at the fluid outlet 43 of the Fluidentfeuchtungseinrichtung 40 about 30 percent of the Fluidentfeuchtungseinrichtung 40 via the first fluid inlet 41 from Axial compressor 10 from supplied fluid mass flow FMS2 can be tapped off as a fully dehumidified fluid mass flow FMS3 with a third pressure value.

Der vollständig entfeuchtete Fluidmassenstrom FMS3 wird vom Fluidausgang 43 aus dem Verdichtungsfluideingang 21 des Radialverdichters 20 zugeführt.The completely dehumidified fluid mass flow FMS3 is supplied from the fluid outlet 43 from the compression fluid inlet 21 of the radial compressor 20.

Gemäß Ausführungsformen der Erfindung ist der dritte Druckwert in etwa gleich dem zweiten Druckwert und beträgt insbesondere in etwa 3 bar.According to embodiments of the invention, the third pressure value is approximately equal to the second pressure value and is in particular approximately 3 bar.

Der Radialverdichter 20 ist eingerichtet, über seinen Verdichtungsfluideingang 21 die etwa 30 Prozent des aus dem Verdichtungsfluidausgang12 des Axialverdichters 10 abgegebenen Fluidmassenstroms FMS2 bzw. den vom Fluidausgang 43 der Fluidentfeuchtungseinrichtung 40 zugeführten Fluidmassenstrom FMS3 aufzunehmen.The centrifugal compressor 20 is arranged to receive via its compression fluid inlet 21 the approximately 30 percent of the fluid mass flow FMS2 discharged from the compression fluid outlet 12 of the axial compressor 10 or the fluid mass flow FMS3 supplied by the fluid outlet 43 to the fluid humidification device 40.

Der Radialverdichter 20 ist ferner eingerichtet, den mit dem dritten Druckwert dem Verdichtungsfluideingang 21 des Radialverdichters 20 zugeführten Fluidmassenstrom FMS3 auf einen am Verdichtungsfluidausgang 22 des Radialverdichters 20 abgreifbaren vollständig trockenen Fluidmassenstrom FMS4 mit einem gegenüber dem zweiten Druckwert und dem dritten Druckwert erhöhten vierten Druckwert zu verdichten.The radial compressor 20 is further configured to compress the fluid mass flow FMS3 fed to the compression fluid inlet 21 of the centrifugal compressor 20 with the third pressure value to a completely dry fluid mass flow FMS4 tapped at the compression fluid outlet 22 of the centrifugal compressor 20 with a fourth pressure value which is higher than the second pressure value and the third pressure value.

Gemäß einer Ausführungsform der Erfindung beträgt der vierte Druckwert in etwa 5 bar.According to one embodiment of the invention, the fourth pressure value is approximately 5 bar.

Es ist zu bemerken, dass die ersten bis vierten Druckwerte gemäß weiteren Ausführungsformen der Erfindung höher oder niedriger sein können.It should be noted that the first to fourth pressure values may be higher or lower according to further embodiments of the invention.

Der am Verdichtungsfluidausgang 22 des Radialverdichters 20 abgreifbare vollständig trockene Fluidmassenstrom FMS4 wird dann über deren zweiten Fluideingang 42 wieder der Fluidentfeuchtungseinrichtung 40 zugeführt.The completely dry fluid mass flow FMS4 which can be tapped off at the compression fluid outlet 22 of the radial compressor 20 is then fed back to the fluid dampening device 40 via its second fluid inlet 42.

Im Fazit ist gemäß einer Ausführungsform der Erfindung der Radialverdichter 10 mit Eintrittsleitschaufeln 23 vor dem ersten radialen Laufrad 24 ausgestattet, wobei Axialverdichter 10 und Radialverdichter 20 als einzelne Verdichter eines Verdichtungsstranges separat geregelt werden, so dass beide unterschiedlichen Prozessen gerecht werden können. Gemäß einer Ausführungsform der Erfindung wird der Axialverdichter 10 als sogenannter Main Air Compressor (MAC) verwendet, indem der Axialverdichter 10 mittels der Filteranlage 70 filtrierte Umgebungsluft verdichtet, wobei der Radialverdichter 20 als sogenannter Booster Air Compressor (BAC) verwendet wird, welcher vollständig getrocknete Luft verdichtet.In conclusion, according to one embodiment of the invention, the radial compressor 10 is equipped with inlet guide vanes 23 in front of the first radial impeller 24, wherein axial compressor 10 and centrifugal compressor 20 are regulated separately as individual compressors of a compression train, so that both different processes can do justice. According to one embodiment of the invention, the axial compressor 10 is used as a so-called Main Air Compressor (MAC) in that the axial compressor 10 compresses ambient air filtered by means of the filter system 70, the radial compressor 20 being used as a so-called booster air compressor (BAC), which completely dried air compacted.

Die Massen- bzw. Volumenströme von Axialverdichter 10 und Radialverdichter 20 unterscheiden sich dabei signifikant, wobei gemäß einer Ausführungsform der Erfindung der Fluidmassenstrom FMS3 bzw. FMS4 des Radialverdichters 20 ein Drittel bzw. 30 Prozent des Fluidmassenstroms FMS1 bzw. FMS2 (100 Prozent) des Axialverdichters 10 beträgt. Gemäß einer Ausführungsform der Erfindung wird über die Dichtungsmittel D ferner gewährleistet, dass keine Feuchtigkeit vom Axialverdichter 10 in den Radialverdichter 20 gelangt.The mass or volume flows of axial compressor 10 and centrifugal compressor 20 differ significantly, and according to one embodiment of the invention, the fluid mass flow FMS3 or FMS4 of the radial compressor 20 one third and 30 percent of the fluid mass flow FMS1 or FMS2 (100 percent) of the axial compressor 10 is. According to one embodiment of the invention, it is further ensured via the sealing means D that no moisture from the axial compressor 10 enters the centrifugal compressor 20.

Gemäß einer Ausführungsform der Erfindung weisen der Axialverdichter 10 und der Radialverdichter 20 ein beiden gemeinsames Gehäuse G auf, wodurch ein separates Gehäuse für den Radialverdichter 20 sowie zusätzliche Komponenten (wie z.B. Zwischengetriebe und Kupplungen) vermieden werden, welche zur Verbindung zweier separater Verdichter-Gehäuse in einem Verdichtungsstrang notwendig wären. Im Fazit kann der gesamte Verdichtungsstrang bzw. die erfindungsgemäße Verdichteranordnung 1 kostenoptimiert angeboten werden.According to one embodiment of the invention, the axial compressor 10 and the centrifugal compressor 20 have a common housing G, whereby a separate housing for the centrifugal compressor 20 and additional components (such as intermediate gear and clutches) are avoided, which for connecting two separate compressor housing in a compression train would be necessary. In conclusion, the entire compression train or the compressor assembly 1 according to the invention can be offered cost-optimized.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Verdichteranordnungcompressor assembly
1010
Axialverdichteraxial compressor
1111
VerdichtungsfluideingangCompression fluid input
1212
VerdichtungsfluidausgangCompression fluid output
2020
Radialverdichtercentrifugal compressors
2121
VerdichtungsfluideingangCompression fluid input
2222
VerdichtungsfluidausgangCompression fluid output
2323
Eintrittsleitschaufelninlet guide vanes
2424
erstes Laufradfirst impeller
3030
Antriebswelledrive shaft
4040
FluidentfeuchtungseinrichtungFluidentfeuchtungseinrichtung
4141
erster Fluideingangfirst fluid inlet
4242
zweiter Fluideingangsecond fluid inlet
4343
Fluidausgangfluid outlet
5050
Kupplungsanordnungclutch assembly
6060
Antriebdrive
6161
Elektromotorelectric motor
6262
Getriebetransmission
6363
Kupplungsanordnungclutch assembly
7070
Filteranlagefilter system
GG
Gehäusecasing
DD
Dichtungsmittelsealant
FMS1FMS1
FluidmassenstromFluid mass flow
FMS2FMS2
FluidmassenstromFluid mass flow
FMS3FMS3
FluidmassenstromFluid mass flow
FMS4FMS4
FluidmassenstromFluid mass flow

Claims (12)

  1. A compressor arrangement (1) with two compressors which are arranged axially one behind the other on a common driveshaft (30) that can be coupled to a drive (60) and which comprise a compression fluid inlet (11, 21) and a compression fluid outlet (12, 22) each, characterized in that one of the compressors is an axial compressor (10) and the other a radial compressor (20), wherein the axial compressor (10) is provided with first control means and the radial compressor (20) provided with second control means, and wherein the first and the second control means are separately activatable so that the axial compressor (10) and the radial compressor (20) are separately controllable.
  2. The compressor arrangement (1) according to Claim 1, wherein the second control means comprise inlet guide blades (23), which are arranged on the compression fluid inlet (21) of the radial compressor (20) in front of a first impeller (24) of the radial compressor (20).
  3. The compressor arrangement (1) according to Claim 1 or 2, wherein the axial compressor (10) and the radial compressor (20) have a housing (G) that is common to both and wherein sealing means (D) are provided, so that in the housing (G) a compression fluid transfer between the axial compressor (10) and the radial compressor (20) is prevented.
  4. The compressor arrangement (1) according to any one of the Claims 1 to 3, wherein the axial compressor (10) is equipped to compress a fluid mass flow (FMS1) fed to the compression fluid inlet (11) of the axial compressor (10) with a first pressure value to a fluid mass flow (FMS2) that can be tapped off at the compression fluid outlet (12) of the axial compressor (10) with a second pressure value that is elevated compared with the first pressure value, and wherein the radial compressor (20) is equipped to compress a fluid mass flow (FMS3) fed to the compression fluid inlet (21) of the radial compressor (20) with a third pressure value to a fluid mass flow (FMS4) that can be tapped off at the compression fluid outlet (22) of the radial compressor (20) with a fourth pressure value that is elevated with respect to the second pressure value and the third pressure value.
  5. The compressor arrangement (1) according to Claim 4, the radial compressor (20) is equipped via its compression fluid inlet (21) to receive approximately 30% of the fluid mass flow (FMS2) output from the compression fluid outlet (12) of the axial compressor (10).
  6. The compressor arrangement (1) according to Claim 4 or 5, wherein the first pressure value approximately amounts to 1 bar and the second pressure value amounts to approximately 3.2 bar.
  7. The compressor arrangement (1) according to any one of the Claims 4 to 6, wherein the third pressure value is approximately equal to the second pressure value.
  8. The compressor arrangement (1) according to any one of the Claims 4 to 7, wherein the third pressure value amounts to approximately 3 bar.
  9. The compressor arrangement (1) according to any one of the Claims 4 to 8, wherein the fourth pressure value amounts to approximately 5 bar.
  10. The compressor arrangement (1) according to any one of the Claims 4 to 8, furthermore with a fluid dehumidification device (40), which comprises a first fluid inlet (41), a second fluid inlet (42) and a fluid outlet (43) and which is equipped to dehumidify a fluid mass flow (FMS2) fed to it via the first fluid inlet (41), wherein the first fluid inlet (41) of the fluid dehumidification device (40) is fluidically connected to the compression fluid outlet (12) of the axial compressor (10), and wherein the fluid outlet (43) of the fluid dehumidification device (40) is fluidically connected to the compression fluid inlet (21) of the radial compressor (20).
  11. The compressor arrangement (1) according to Claim 10, wherein the fluid dehumidification device (40) is equipped to distribute the fluid mass flow (FMS2) fed to it via the first fluid inlet (41) so that on its fluid outlet (43) approximately 30% of the fluid mass flow (FMS2) fed to it via the first fluid inlet (41) can be tapped off as completely dehumidified fluid mass flow (FMS3).
  12. The compressor arrangement (1) according to Claim 10 or 11, wherein the second fluid inlet (42) of the fluid dehumidification device (40) is fluidically connected to the compression fluid outlet (22) of the radial compressor (20).
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DE102009016392A1 (en) 2009-04-07 2010-10-14 Man Turbo Ag compressor assembly

Also Published As

Publication number Publication date
BRPI1012582A2 (en) 2018-06-12
JP5613758B2 (en) 2014-10-29
JP2012522934A (en) 2012-09-27
EP2417358A1 (en) 2012-02-15
CN105545782A (en) 2016-05-04
CN102459913A (en) 2012-05-16
DE102009016392A1 (en) 2010-10-14
WO2010115420A1 (en) 2010-10-14
US20120189431A1 (en) 2012-07-26
US9261102B2 (en) 2016-02-16

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