WO1992009808A1 - Strahlverdichter für gasförmige medien - Google Patents
Strahlverdichter für gasförmige medien Download PDFInfo
- Publication number
- WO1992009808A1 WO1992009808A1 PCT/DE1991/000924 DE9100924W WO9209808A1 WO 1992009808 A1 WO1992009808 A1 WO 1992009808A1 DE 9100924 W DE9100924 W DE 9100924W WO 9209808 A1 WO9209808 A1 WO 9209808A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- central body
- tulip
- jet
- nozzle
- compressor according
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/44—Component parts, details, or accessories not provided for in, or of interest apart from, groups F04F5/02 - F04F5/42
- F04F5/46—Arrangements of nozzles
- F04F5/465—Arrangements of nozzles with supersonic flow
Definitions
- the invention relates to a jet atomizer for gaseous media for use in metallurgical or chemical distillation with a propellant nozzle arranged in a jet head and directed towards a mixing chamber to which a di ⁇ usor is connected coaxially.
- Jet compressors of this type are used particularly in steel degassing in steelworks. Here come essentially
- DE-05 25 50 456 discloses a diffusion pump, the nozzle of which has openings in the shape of narrow openings.
- annular gap nozzles of the beams known from this section are not suitable for large-scale metallurgical or chemical processes, either in form or in terms of their performance. It is the aim of the invention to avoid the above-mentioned problems and to use a beam of the type mentioned at the outset, which, in contrast to simple construction, requires construction volumes in gs tmo gli chi and a reliable operation higher efficiencies than radiators of the same order of magnitude or
- the driving nozzle of the jet compressor oestent from an annular nozzle. which has a conical central body which tapers conically towards the mixing chamber. Due to the short distance covered inside the nozzle, the compressible discharge medium emerging from the nozzle in an N-shaped manner has a low speed, which, when properly mixed, leads to high speed gradients and, consequently, to an effective exchange of inputs in the turndient scanner, does not lead between motive steam and conveying medium.
- the propellant medium does not emerge exclusively as a free jet from the annular gap nozzle according to the invention, but is guided as a ring through a central body in the form of a tulip. Due to the short axial extension of the tulip, aas comes to the sharp tulip mouth
- Propellant medium in contact with the gas to be demanded It forms sicr. a speed profile, the maximum of which is not only noted, since the friction losses of the otherwise usual Lavalduse are eliminated, but also have a significantly lower overrun oil due to the ring nozzle being permitted by the central body. An intensive mixture of the driver and pumped medium is achieved. As a result of this, the mixing chamber can be built much shorter. This advantage is also complemented by a structurally simple and more cost-effective production of the jet compressor. Instead of complicated manufacturing, especially with regard to the komscne
- Formation of the otherwise usual (La ⁇ al) nozzle focuses the manufacturing oroblematics on the exact adjustment of the diameter of the tulip and the central body. For the complete shape of the central body itself, these high accuracies are not necessary to save costs.
- Expansion fan determined, which causes the driver's medium to flow out almost in parallel after leaving the ring ring. This design leads to a configuration of the mouth, which has a constriction pointing towards the central body. This will prevent the occurrence of
- Fig. 1 a Aufoau of the jet compressor.
- Fig. 2 shows a section of the annular gap nozzle.
- FIG. 1 shows a vacuum station V, which is connected to the traction head 20 via a vacuum suction line 23.
- a suspension element feed line 11 of a driving nozzle 10 which is connected at one end to a blowing agent delivery status T, projects into the lamp head.
- the nozzle head 20 is followed by a nozzle 30. which has a mixing chamber 31, an intermediate nozzle 32 and a pressure nozzle 33 connected to a pressure line 34.
- the mouth of the trioduse 10 is designed as a ring star.
- This ring jet nozzle has a conical central body 12 which tapers conically toward the mixing chamber 31 of the nozzle 30.
- FIG. 2 shows the driving nozzle 10 with the Treioffenzu spanr effet 11 and the central body 12 provided in the mouth.
- the central body 12 is enveloped by a tulip 13, axially to the
- Propellant supply line 11 is connected. Between the eyepiece 13 and the foot-side end of the central body 12 is a sniffer
- the tulip 13 can be connected to the friction means feed device 11 and has an enlarged diameter on the muzzle side, one between the wall of the tulip 13 extending in the radial direction and the foot side of the central body 12
- Quiet chamber 17 is formed.
- the axial extent of the rest chamber 17 is determined by means of spacer sleeves 16 or a spacer 15, the central body 12 being fastened to the tulip 13 by means of lag screws.
- a lantern 14 At the bottom of the central body 12 there is a lantern 14 with a diameter in which it protrudes (upper picture) into the relaxation room 17 or (lower part of the picture) can be inserted into the narrower part of the tulip 13.
- the inner diameter of the last-mentioned Tuipeno shape corresponds to the diameter of the conduit of the propellant supply D L.
- the foot-side region of the cone of the central body 12 has a disk-shaped extension 19.
- This extension 19 is encompassed by the minting of the tulip 13 which inclines towards the main axis I in such a way that an annular gap pointing radially inwards is formed.
- the cone angle is larger in this area than in the rest of the central body 12.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Jet Pumps And Other Pumps (AREA)
- Nozzles (AREA)
- Gas Separation By Absorption (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Container, Conveyance, Adherence, Positioning, Of Wafer (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP91920002A EP0558549B1 (de) | 1990-11-23 | 1991-11-19 | Strahlverdichter für gasförmige medien |
US07/064,092 US5374164A (en) | 1990-11-23 | 1991-11-19 | Fluid jet compressor nozzle arrangement |
DE59104974T DE59104974D1 (de) | 1990-11-23 | 1991-11-19 | Strahlverdichter für gasförmige medien. |
JP3518097A JPH06502900A (ja) | 1990-11-23 | 1991-11-19 | ガス状媒体のための噴射圧縮機 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEP4037935.3 | 1990-11-23 | ||
DE4037935A DE4037935A1 (de) | 1990-11-23 | 1990-11-23 | Strahlverdichter fuer gasfoermige medien |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1992009808A1 true WO1992009808A1 (de) | 1992-06-11 |
Family
ID=6419127
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE1991/000924 WO1992009808A1 (de) | 1990-11-23 | 1991-11-19 | Strahlverdichter für gasförmige medien |
Country Status (7)
Country | Link |
---|---|
US (1) | US5374164A (de) |
EP (1) | EP0558549B1 (de) |
JP (1) | JPH06502900A (de) |
AT (1) | ATE119976T1 (de) |
AU (1) | AU8907991A (de) |
DE (2) | DE4037935A1 (de) |
WO (1) | WO1992009808A1 (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69223038T2 (de) * | 1991-12-10 | 1998-03-26 | Shell Int Research | Verfahren und Anordnung zum Erzeugen eines Vakuums |
US6076748A (en) * | 1998-05-04 | 2000-06-20 | Resch; Darrel R. | Odor control atomizer utilizing ozone and water |
JP2003021100A (ja) * | 2001-07-06 | 2003-01-24 | Tokico Ltd | エジェクタおよび負圧供給装置 |
CN105074228A (zh) * | 2012-12-21 | 2015-11-18 | 谢雷克斯公司 | 具有多管嘴驱动级的真空喷射器 |
GB2509184A (en) | 2012-12-21 | 2014-06-25 | Xerex Ab | Multi-stage vacuum ejector with moulded nozzle having integral valve elements |
GB2509183A (en) | 2012-12-21 | 2014-06-25 | Xerex Ab | Vacuum ejector with tripped diverging exit flow nozzle |
GB2509182A (en) | 2012-12-21 | 2014-06-25 | Xerex Ab | Vacuum ejector with multi-nozzle drive stage and booster |
US10753373B2 (en) | 2012-12-21 | 2020-08-25 | Piab Aktiebolag | Vacuum ejector nozzle with elliptical diverging section |
GB201418117D0 (en) | 2014-10-13 | 2014-11-26 | Xerex Ab | Handling device for foodstuff |
US9744904B1 (en) | 2016-02-09 | 2017-08-29 | Corinne Tolliver | Vehicle alarm |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE500935C (de) * | 1928-07-27 | 1930-06-26 | Siemens Schuckertwerke Akt Ges | Anordnung zur Verminderung der Geschwindigkeitsdifferenz zwischen Treibmittel und anzusaugendem Mittel bei Dampfstrahlsaugern |
FR2161288A5 (de) * | 1971-11-19 | 1973-07-06 | Snecma |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE313897C (de) * | ||||
DE60754C (de) * | L. ROHRMANN in Krauschwitz bei Muskau O./L | Saugapparat | ||
DE55715C (de) * | W. GRÜTZNER in Dominium Rzadkowo b. Erpel, Posen | Gefäfswascher | ||
GB191228590A (en) * | 1912-12-11 | 1913-07-24 | Ernest Arthur George Pomeroy | Improved Method of Compressing Elastic Fluids and Apparatus therefor. |
US2524559A (en) * | 1947-08-16 | 1950-10-03 | Affiliated Gas Equipment Inc | Entrainment device |
US2952401A (en) * | 1958-10-31 | 1960-09-13 | American Oil Co | Annular venturi injector |
US3012400A (en) * | 1960-05-23 | 1961-12-12 | Jr Blake W Corson | Nozzle |
US3797747A (en) * | 1971-09-25 | 1974-03-19 | Hano Grohe Kg Fa | Device for aspirating and admixing additives into a stream |
US3923424A (en) * | 1974-11-11 | 1975-12-02 | Alvin E Buggele | Self-cleansing diffusion pump |
CA1077541A (en) * | 1977-12-01 | 1980-05-13 | Vortec Corporation | Flow amplifying nozzle |
DE3005653A1 (de) * | 1980-02-15 | 1981-08-20 | Brown, Boveri & Cie Ag, 6800 Mannheim | Strahlpumpe |
JPS5939999A (ja) * | 1982-08-31 | 1984-03-05 | Sakou Giken:Kk | 蒸気エゼクタ− |
US5048726A (en) * | 1989-06-30 | 1991-09-17 | Mccann's Engineering And Manufacturing Co. | Superflow diffuser and spout assembly |
US5232164A (en) * | 1990-05-09 | 1993-08-03 | Resch D R | Precisely adjustable atomizer |
-
1990
- 1990-11-23 DE DE4037935A patent/DE4037935A1/de not_active Withdrawn
-
1991
- 1991-11-19 EP EP91920002A patent/EP0558549B1/de not_active Expired - Lifetime
- 1991-11-19 DE DE59104974T patent/DE59104974D1/de not_active Expired - Fee Related
- 1991-11-19 WO PCT/DE1991/000924 patent/WO1992009808A1/de active IP Right Grant
- 1991-11-19 US US07/064,092 patent/US5374164A/en not_active Expired - Fee Related
- 1991-11-19 JP JP3518097A patent/JPH06502900A/ja active Pending
- 1991-11-19 AU AU89079/91A patent/AU8907991A/en not_active Abandoned
- 1991-11-19 AT AT91920002T patent/ATE119976T1/de active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE500935C (de) * | 1928-07-27 | 1930-06-26 | Siemens Schuckertwerke Akt Ges | Anordnung zur Verminderung der Geschwindigkeitsdifferenz zwischen Treibmittel und anzusaugendem Mittel bei Dampfstrahlsaugern |
FR2161288A5 (de) * | 1971-11-19 | 1973-07-06 | Snecma |
Non-Patent Citations (1)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 8, no. 143 (M-306)(1580) 4. Juli 1984 & JP,59 039 999 ( SAKOU GIKEN ) 5. März 1984 * |
Also Published As
Publication number | Publication date |
---|---|
ATE119976T1 (de) | 1995-04-15 |
JPH06502900A (ja) | 1994-03-31 |
EP0558549B1 (de) | 1995-03-15 |
DE59104974D1 (de) | 1995-04-20 |
AU8907991A (en) | 1992-06-25 |
DE4037935A1 (de) | 1992-05-27 |
US5374164A (en) | 1994-12-20 |
EP0558549A1 (de) | 1993-09-08 |
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