DE69223038T2 - Verfahren und Anordnung zum Erzeugen eines Vakuums - Google Patents

Verfahren und Anordnung zum Erzeugen eines Vakuums

Info

Publication number
DE69223038T2
DE69223038T2 DE69223038T DE69223038T DE69223038T2 DE 69223038 T2 DE69223038 T2 DE 69223038T2 DE 69223038 T DE69223038 T DE 69223038T DE 69223038 T DE69223038 T DE 69223038T DE 69223038 T2 DE69223038 T2 DE 69223038T2
Authority
DE
Germany
Prior art keywords
wax
vapor
zone
pump
gas
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.)
Expired - Fee Related
Application number
DE69223038T
Other languages
German (de)
English (en)
Other versions
DE69223038D1 (de
Inventor
Joachim Ansorge
Lip Piang Kueh
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHELL INT RESEARCH
Shell Internationale Research Maatschappij BV
Original Assignee
SHELL INT RESEARCH
Shell Internationale Research Maatschappij BV
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SHELL INT RESEARCH, Shell Internationale Research Maatschappij BV filed Critical SHELL INT RESEARCH
Application granted granted Critical
Publication of DE69223038D1 publication Critical patent/DE69223038D1/de
Publication of DE69223038T2 publication Critical patent/DE69223038T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04FPUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F5/00Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
    • F04F5/14Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid
    • F04F5/16Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid displacing elastic fluids
    • F04F5/20Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid displacing elastic fluids for evacuating
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04FPUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F5/00Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
    • F04F5/14Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid
    • F04F5/36Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid characterised by using specific inducing fluid
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04FPUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F9/00Diffusion pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
  • Lubricants (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE69223038T 1991-12-10 1992-12-03 Verfahren und Anordnung zum Erzeugen eines Vakuums Expired - Fee Related DE69223038T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP91203248 1991-12-10

Publications (2)

Publication Number Publication Date
DE69223038D1 DE69223038D1 (de) 1997-12-11
DE69223038T2 true DE69223038T2 (de) 1998-03-26

Family

ID=8208064

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69223038T Expired - Fee Related DE69223038T2 (de) 1991-12-10 1992-12-03 Verfahren und Anordnung zum Erzeugen eines Vakuums

Country Status (7)

Country Link
EP (1) EP0563465B1 (enrdf_load_stackoverflow)
JP (1) JP3529104B2 (enrdf_load_stackoverflow)
AU (1) AU650183B2 (enrdf_load_stackoverflow)
CA (1) CA2084842C (enrdf_load_stackoverflow)
DE (1) DE69223038T2 (enrdf_load_stackoverflow)
MY (1) MY111962A (enrdf_load_stackoverflow)
ZA (1) ZA929501B (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2750248B1 (fr) * 1996-06-19 1998-08-28 Org Europeene De Rech Dispositif de pompage par getter non evaporable et procede de mise en oeuvre de ce getter

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2338583A (en) 1941-09-17 1944-01-04 Distillation Products Inc High vacuum
US2358067A (en) 1943-02-24 1944-09-12 Distillation Products Inc High vacuum process and apparatus
GB856849A (en) * 1957-11-02 1960-12-21 Hoechst Ag Improvements in and relating to operating fluids for use in vacuum pumps
GB1435942A (en) * 1973-01-16 1976-05-19 Boc International Ltd Vapour sources for vapour vacuum pumps
US4198190A (en) * 1978-08-21 1980-04-15 Dow Corning Corporation Vapor booster fluids
DE4037935A1 (de) * 1990-11-23 1992-05-27 Mannesmann Ag Strahlverdichter fuer gasfoermige medien

Also Published As

Publication number Publication date
EP0563465B1 (en) 1997-11-05
ZA929501B (en) 1993-06-16
JP3529104B2 (ja) 2004-05-24
AU2996792A (en) 1993-06-17
CA2084842A1 (en) 1993-06-11
JPH05280499A (ja) 1993-10-26
EP0563465A2 (en) 1993-10-06
AU650183B2 (en) 1994-06-09
MY111962A (en) 2001-03-31
EP0563465A3 (enrdf_load_stackoverflow) 1994-01-05
CA2084842C (en) 2004-02-03
DE69223038D1 (de) 1997-12-11

Similar Documents

Publication Publication Date Title
DE69302770T2 (de) Verfahren zur Distillation von Fischer-Tropsch-Produkten
DE1935467B2 (de) Verfahren zur Herstellung von Koks aus Kohleteerpech durch verzögerte Ver kokung
DE3854359T2 (de) Verfahren zum thermischen Spalten von Kohlenwasserstoffen mit festen Partikeln als Wärmeträger.
DE2164951A1 (de) Verfahren zur Herstellung gasförmiger Olefine
DE946648C (de) Verbundverfahren zur Herstellung hochwertiger Erdoelprodukte
DE1770575A1 (de) Verfahren zum Hydrieren von Kohlenwasserstoffen
DE2851358A1 (de) Verfahren zur synthesegaserzeugung mit rueckgewinnung von nicht umgewandeltem kohlenstoff
DE69223038T2 (de) Verfahren und Anordnung zum Erzeugen eines Vakuums
DE3242727A1 (de) Verfahren zur umwandlung von schweroelen oder petroleumrueckstaenden in gasfoermige und destillierbare kohlenwasserstoffe
DE3428924C2 (enrdf_load_stackoverflow)
DE2651253C2 (de) Verfahren zum Hydrieren von Kohle
DE69522769T2 (de) Verfahren zur Herstellung eines Hydrowachs
DE2344251A1 (de) Verfahren zur umwandlung einer schwefel, asche und asphalten enthaltenden kohlenwasserstoffbeschickung
DE1567574A1 (de) Verfahren zur Verminderung von Wasserstoffverlusten bei Hochdruckverfahren
DE1618928A1 (de) Verfahren zur Herstellung von AEthylen
DE2655259C3 (de) Verfahren zum Ingangsetzen eines Aufwärts-Wirbelbettreaktors
DE1026904B (de) Verfahren zum katalytischen Entschwefeln von Kohlenwasserstoffen
DE69804026T2 (de) Verfahren zur reduzierung der gesamtanzahl von säuren in rohöl
DE2116041C3 (de) Verfahren zur Herstellung eines Schmierölgrundmaterials mit hohem Viskositätsindex
DE2522313A1 (de) Verfahren zur gewinnung von kohlenwasserstoffprodukten mit verbesserter qualitaet
DE2227740A1 (de) Kohlenwasserstoffumwandlungsverfahren
DE1645817A1 (de) Verfahren zur Entschwefelung von Erdoel-Rohoel
DE961473C (de) Verfahren zur katalytischen Konvertierung hochsiedender, normalerweise fluessiger Kohlenwasserstoffe
DE3021859C2 (de) Verfahren zum Hydrieren von Kohle
DE3590751C2 (de) Verfahren zum Umwandeln von Rückstandsöl

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee