DE1628232B2 - Centrifugal compressor - Google Patents
Centrifugal compressorInfo
- Publication number
- DE1628232B2 DE1628232B2 DE19671628232 DE1628232A DE1628232B2 DE 1628232 B2 DE1628232 B2 DE 1628232B2 DE 19671628232 DE19671628232 DE 19671628232 DE 1628232 A DE1628232 A DE 1628232A DE 1628232 B2 DE1628232 B2 DE 1628232B2
- Authority
- DE
- Germany
- Prior art keywords
- throttle
- guide vanes
- diffuser
- inlet guide
- adjusting ring
- 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
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
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/46—Fluid-guiding means, e.g. diffusers adjustable
- F04D29/462—Fluid-guiding means, e.g. diffusers adjustable especially adapted for elastic fluid 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
- F04D27/02—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
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/02—Surge control
- F04D27/0253—Surge control 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
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/4213—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps suction ports
-
- 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
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/46—Fluid-guiding means, e.g. diffusers adjustable
- F04D29/462—Fluid-guiding means, e.g. diffusers adjustable especially adapted for elastic fluid pumps
- F04D29/464—Fluid-guiding means, e.g. diffusers adjustable especially adapted for elastic fluid pumps adjusting flow cross-section, otherwise than by using adjustable stator blades
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2250/00—Geometry
- F05D2250/50—Inlet or outlet
- F05D2250/51—Inlet
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2250/00—Geometry
- F05D2250/50—Inlet or outlet
- F05D2250/52—Outlet
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Control Of Positive-Displacement Air Blowers (AREA)
Description
3 43 4
stellt werden und nicht unabhängig von der Verstel- Ein um seine Längsachse drehbarer Drehstab 35A torsion bar 35 rotatable about its longitudinal axis
lung des Stellrings nochmals in einer konstanten Dros- dient dazu, mittels schwenkbaren Gelenkarmen 37The adjustment of the adjusting ring again in a constant throttling is used by means of pivotable articulated arms 37
sellage gehalten werden können. und 39 den Stellring 15 zu drehen. Der Drehstab 35sellage can be kept. and 39 to turn the adjusting ring 15. The torsion bar 35
An Hand von Zeichnungen wird ein Ausführungs- kann in bekannter Weise durch einen elektrischen,On the basis of drawings, an execution can in a known manner by an electrical,
beispiel der Erfindung näher erläutert. Es zeigt 5 pneumatischen oder hydraulischen Stellmotor betätigtExample of the invention explained in more detail. It shows 5 actuated pneumatic or hydraulic servomotors
F i g. 1 einen Längsschnitt durch einen Teil eines werden, der auf eine der Verdichterlast entsprechen-F i g. 1 is a longitudinal section through part of a, which corresponds to the compressor load
Radialverdichters, den Betriebsgröße des Verdichters oder einer damit inCentrifugal compressor, the operating size of the compressor or one with it in
F i g. 2 eine Ansicht längs der Linie Π-2 der F i g. 1, Verbindung stehenden Einrichtung anspricht. WennF i g. FIG. 2 is a view taken along line Π-2 of FIG. 1, related facility responds. if
F i g. 3 eine Draufsicht auf die Verstellvorrichtung der Verdichter z. B. in einer Kältemaschine verwendetF i g. 3 is a plan view of the adjusting device of the compressor z. B. used in a refrigeration machine
für die Vorleitschaufeln und die Drosselvorrichtung io wird, könnten die Verstellvorrichtungen auf die Tem-for the inlet guide vanes and the throttle device io, the adjustment devices could be set to the temperature
des Diffusors. peratur des abgeschreckten, die Maschine verlassen-of the diffuser. temperature of the quenched, leave the machine-
In einem Radialverdichter 1 bekannter Bauart wird den Wassers ansprechen, wobei diese Temperatur vonIn a radial compressor 1 of known design, the water will respond, this temperature of
das zu verdichtende Gas durch ein umlaufendes be- der Menge des Kältemittels abhängt, das von derthe gas to be compressed depends on the amount of refrigerant circulating by the
schaufeltes Laufrad axial angesaugt. Das Gas strömt Niederdruckseite zur Hochdruckseite der Maschinepadded impeller sucked in axially. The gas flows on the low pressure side to the high pressure side of the machine
aus dem Laufrad radial nach außen in einen Diffusor, 15 durch den Verdichter befördert wird. Wenn der Ver-from the impeller radially outward into a diffuser 15 is conveyed through the compressor. When the
der in die Schaufelaustrittskanten des Laufrads an- dichter dazu verwendet wird, Luft zu verdichten,which is used closer to the blade trailing edges of the impeller to compress air,
grenzt. Der Verdichter besitzt ein Gehäuse 2, in dem könnten die Verstellvorrichtungen auf die Umge-borders. The compressor has a housing 2 in which the adjustment devices could
der Einlauf 3 und der Diffusor 5 gebildet sind. Es ist bungstemperatur ansprechen, die ein Maß für diethe inlet 3 and the diffuser 5 are formed. It is exercise temperature which is a measure of that
nur ein Teil des an sich konventionellen Gehäuses ge- Luftdichte und die Menge der zu verdichtenden Luftonly part of the conventional housing is air tight and the amount of air to be compressed
zeigt. Im Gehäuse 2, zwischen dem Einlauf 3 und dem 20 darstellt.shows. In the housing 2, between the inlet 3 and the 20 represents.
Diffusor5, befindet sich ein Laufrad7, das an einer Wie in Fig.3 zu sehen ist, haben die Nockenbah-Welle 9 mittels einer Mutter 11 befestigt ist. Im Ein- nen 21 eine spezielle Gestalt. Die Nockenbahnen sind lauf befinden sich Vorleitschaufeln 13, die im Ge- so ausgelegt, daß durch Drehen des Stellrings 15 die häuse 2 drehbar gelagert sind und die zum Verändern Vorleitschaufeln aus ihrer ganz geöffneten Stellung in der Strömungsrichtung und des Durchsatzes dienen. 25 eine zu 60 °/o geschlossene Stellung gedreht werden, Ein Stellring 15 ist auf Kugeln 17 in einem stationären ohne daß die Diffusorströmung gedrosselt wird. Wenn Tragring 19 gelagert und kann somit in Umfangsrich- die Strömung stärker gedrosselt werden soll, als es der rung bewegt werden. Mehrere Nockenbahnen 21, die zu 60 °/o geschlossenen Stellung der Vorleitschaufeln gleichmäßig über dem Umfang des Stellrings 15 ver- entspricht, wird der Stellring 15 weitergedreht, woteilt sind, sind so angeordnet, daß sie mit Nockenstö- 30 durch gleichzeitig die Vorleitschaufeln 13 zwischen ßel 23 im Eingriff stehen. Die Nockenstößel 23 beste- der zu 60 % geschlossenen und einer zu 85 °/o gehen aus Rollen 25, die an Stangen 27 angebracht sind. schlossenen Stellung gedreht werden und die Drossel-Die Stangen 27 sind an einer Drosselvorrichtung 29 vorrichtung des Diffusors derart bewegt wird, daß die des Diffusors angebracht, so daß eine Drehung des Diffusorkapazität von 100 auf 5 % des Maximalbe-Stellrings 15 eine Axialbewegung der Drosselvorrich- 35 trags absinkt. Beim Weiterdrehen des Stellrings 15 tung 29 innerhalb des Diffusors 5 zur Folge hat (ge- bleibt die Drosselvorrichtung des Diffusors in der 5-%-strichelte Linien in Fig. 1), wobei diese Bewegung Stellung, während sich die Vorleitschaufeln 13 von mit der Form und der Größe der Nockenbahnen 21 der zu 85 °/o geschlossenen bis zur ganz geschlossenen übereinstimmt. Stellung bewegen. Durch diese Koppelung der Bewe-Diffuser5, there is an impeller7, which as can be seen in Fig.3, have the cam track shaft 9 is fastened by means of a nut 11. On the inside 21 a special shape. The cam tracks are Running are forward guide vanes 13, which are designed in such a way that by turning the adjusting ring 15 the housing 2 are rotatably mounted and the inlet guide vanes to change from their fully open position in serve the direction of flow and the throughput. 25 rotated to a 60 ° / o closed position, An adjusting ring 15 is on balls 17 in a stationary manner without the diffuser flow being throttled. if Support ring 19 mounted and can thus be throttled more in the circumferential direction than the flow tion can be moved. Several cam tracks 21, the 60% closed position of the guide vanes corresponds uniformly over the circumference of the adjusting ring 15, the adjusting ring 15 is rotated further are arranged so that they are with cam followers 30 by simultaneously the guide vanes 13 between ßel 23 are engaged. The cam followers 23 are best 60% closed and one 85% open of rollers 25 attached to rods 27. closed position and the throttle die Rods 27 are moved to a throttle device 29 device of the diffuser in such a way that the of the diffuser so that a rotation of the diffuser capacity from 100 to 5% of the maximum adjustment ring 15 an axial movement of the throttle device 35 decreases sluggishly. When turning the adjusting ring 15 device 29 within the diffuser 5 (the throttle device of the diffuser remains in the 5% dashed line Lines in Fig. 1), this movement position, while the inlet guide vanes 13 of with the shape and size of the cam tracks 21 from 85% closed to fully closed matches. Move position. Through this coupling of the motions
Arme31 der Vorleitschaufeln 13 sind durch Gelenk- 40 gung der Vorleitschaufeln und der Drosselvorrichtung arme 33 mit dem Stelking 15 verbunden, so daß eine des Diffusors wird die Förderleistung des Verdichters Drehung des Stellrings 15 eine Drehung der Vorleit- über den gesamten Bereich der möglichen Durchflußschaufeln 13 zur Folge hat. mengen maximal gemacht.Arms 31 of the inlet guide vanes 13 are formed by articulation of the inlet guide vanes and the throttle device arms 33 connected to the stalk 15 so that one of the diffuser is the delivery rate of the compressor Rotation of the adjusting ring 15 rotates the inlet guide over the entire range of possible flow blades 13 results. amounts made maximum.
Hierzu 1 Blatt Zeichnungen1 sheet of drawings
Claims (2)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US577447A US3362625A (en) | 1966-09-06 | 1966-09-06 | Centrifugal gas compressor |
US57744766 | 1966-09-06 | ||
DEC0043289 | 1967-09-06 |
Publications (3)
Publication Number | Publication Date |
---|---|
DE1628232A1 DE1628232A1 (en) | 1971-08-05 |
DE1628232B2 true DE1628232B2 (en) | 1972-10-26 |
DE1628232C DE1628232C (en) | 1973-05-17 |
Family
ID=
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3613857A1 (en) * | 1986-04-24 | 1987-10-29 | Kuehnle Kopp Kausch Ag | AXIAL SWIRL CONTROLLER FOR EXHAUST GAS TURBOCHARGER FOR COMBUSTION ENGINES |
DE4002548A1 (en) * | 1990-01-29 | 1991-08-08 | Kuehnle Kopp Kausch Ag | Axial swirl flow control for large vol axial. flow compressor - has guide vane rotary axis dividing vanes in specified ratio in transition region |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3613857A1 (en) * | 1986-04-24 | 1987-10-29 | Kuehnle Kopp Kausch Ag | AXIAL SWIRL CONTROLLER FOR EXHAUST GAS TURBOCHARGER FOR COMBUSTION ENGINES |
DE4002548A1 (en) * | 1990-01-29 | 1991-08-08 | Kuehnle Kopp Kausch Ag | Axial swirl flow control for large vol axial. flow compressor - has guide vane rotary axis dividing vanes in specified ratio in transition region |
Also Published As
Publication number | Publication date |
---|---|
GB1190796A (en) | 1970-05-06 |
US3362625A (en) | 1968-01-09 |
NL6712176A (en) | 1968-03-07 |
DE1628232A1 (en) | 1971-08-05 |
JPS5010001B1 (en) | 1975-04-17 |
FR1549304A (en) | 1968-12-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C3 | Grant after two publication steps (3rd publication) | ||
E77 | Valid patent as to the heymanns-index 1977 |