FR2439881A1 - Procede et dispositif de demarrage d'une pompe a liquide cryogenique - Google Patents

Procede et dispositif de demarrage d'une pompe a liquide cryogenique

Info

Publication number
FR2439881A1
FR2439881A1 FR7830114A FR7830114A FR2439881A1 FR 2439881 A1 FR2439881 A1 FR 2439881A1 FR 7830114 A FR7830114 A FR 7830114A FR 7830114 A FR7830114 A FR 7830114A FR 2439881 A1 FR2439881 A1 FR 2439881A1
Authority
FR
France
Prior art keywords
starting
liquid pump
cryogenic liquid
overpressure
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.)
Pending
Application number
FR7830114A
Other languages
English (en)
Inventor
Jean-Claude Boissin
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.)
Air Liquide SA
Original Assignee
Air Liquide SA
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 Air Liquide SA filed Critical Air Liquide SA
Priority to FR7830114A priority Critical patent/FR2439881A1/fr
Priority to EP79400677A priority patent/EP0010464A1/fr
Priority to JP12740979A priority patent/JPS5557696A/ja
Publication of FR2439881A1 publication Critical patent/FR2439881A1/fr
Pending legal-status Critical Current

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
    • F04D9/00—Priming; Preventing vapour lock
    • F04D9/001—Preventing vapour lock
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/02—Stopping, starting, unloading or idling control
    • F04B49/022—Stopping, starting, unloading or idling control by means of pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/06—Control using electricity

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Control Of Non-Positive-Displacement Pumps (AREA)

Abstract

L'INVENTION CONCERNE LE DEMARRAGE DE POMPES. LORS D'UN ESSAI DE DEMARRAGE, APRES MISE AU FROID DE LA POMPE, ON MESURE EN 20 LA SURPRESSION DU LIQUIDE PAR RAPPORT A SA TENSION DE VAPEUR (NPSH) ET ON MESURE, EN 30, LA SURPRESSION DE REFOULEMENT ENTRE SORTIE ET ENTREE DE POMPE, ET CE DEMARRAGE N'EST ENTREPRIS ET POURSUIVI QUE SI, SUCCESSIVEMENT, LE NPSH ET LA SURPRESSION DE REFOULEMENT SONT SUPERIEURS A DES VALEURS DE REFERENCE. APPLICATION AUX POMPES POUR LIQUIDES CRYOGENIQUES.
FR7830114A 1978-10-23 1978-10-23 Procede et dispositif de demarrage d'une pompe a liquide cryogenique Pending FR2439881A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR7830114A FR2439881A1 (fr) 1978-10-23 1978-10-23 Procede et dispositif de demarrage d'une pompe a liquide cryogenique
EP79400677A EP0010464A1 (fr) 1978-10-23 1979-09-25 Procédé et dispositif de démarrage d'une pompe à liquide cryogénique
JP12740979A JPS5557696A (en) 1978-10-23 1979-10-04 Method and device for starting pump for lowwtemperature fluid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7830114A FR2439881A1 (fr) 1978-10-23 1978-10-23 Procede et dispositif de demarrage d'une pompe a liquide cryogenique

Publications (1)

Publication Number Publication Date
FR2439881A1 true FR2439881A1 (fr) 1980-05-23

Family

ID=9214056

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7830114A Pending FR2439881A1 (fr) 1978-10-23 1978-10-23 Procede et dispositif de demarrage d'une pompe a liquide cryogenique

Country Status (3)

Country Link
EP (1) EP0010464A1 (fr)
JP (1) JPS5557696A (fr)
FR (1) FR2439881A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2931213A1 (fr) * 2008-05-16 2009-11-20 Air Liquide Dispositif et procede de pompage d'un fluide cryogenique
WO2017071615A1 (fr) 2015-10-29 2017-05-04 CRYODIRECT Limited Dispositif de transport de gaz liquéfié et son procédé

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4913625A (en) * 1987-12-18 1990-04-03 Westinghouse Electric Corp. Automatic pump protection system
FR2866929B1 (fr) * 2004-03-01 2008-04-04 Air Liquide Systeme de pompage d'un fluide cryogenique
EP2060788B1 (fr) * 2007-11-16 2010-05-12 Linde AG Procédé de commande d'un agencement de pompe et agencement de pompe

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1653732A1 (de) * 1967-03-15 1971-12-23 Klein Schanzlin & Becker Ag Kavitationsschutzeinrichtung
GB1449852A (en) * 1973-08-10 1976-09-15 Coppen J D Control of fluid pumps
FR2374538A1 (fr) * 1976-12-16 1978-07-13 Materiel Telephonique Groupe surpresseur pour liquide

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1653732A1 (de) * 1967-03-15 1971-12-23 Klein Schanzlin & Becker Ag Kavitationsschutzeinrichtung
GB1449852A (en) * 1973-08-10 1976-09-15 Coppen J D Control of fluid pumps
FR2374538A1 (fr) * 1976-12-16 1978-07-13 Materiel Telephonique Groupe surpresseur pour liquide

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2931213A1 (fr) * 2008-05-16 2009-11-20 Air Liquide Dispositif et procede de pompage d'un fluide cryogenique
WO2009150337A3 (fr) * 2008-05-16 2010-02-18 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Dispositif et procédé de pompage d'un fluide cryogénique
CN102027236A (zh) * 2008-05-16 2011-04-20 乔治洛德方法研究和开发液化空气有限公司 用于泵送低温流体的装置和方法
CN102027236B (zh) * 2008-05-16 2013-11-13 乔治洛德方法研究和开发液化空气有限公司 用于泵送低温流体的装置和方法
US9546645B2 (en) 2008-05-16 2017-01-17 L'Air Liquide Société Anonyme Pour L'Étude Et L'Exploitation Des Procedes Georges Claude Device and method for pumping a cryogenic fluid
WO2017071615A1 (fr) 2015-10-29 2017-05-04 CRYODIRECT Limited Dispositif de transport de gaz liquéfié et son procédé

Also Published As

Publication number Publication date
EP0010464A1 (fr) 1980-04-30
JPS5557696A (en) 1980-04-28

Similar Documents

Publication Publication Date Title
FR2412795A1 (fr) Installation de production de froid ou de liquefaction de gaz
DE3785207D1 (de) Pumpvorrichtung zur abgabe von fluessigkeit bei hohem druck.
FR2359289A1 (fr) Pompe a cryogene liquide
FR2439881A1 (fr) Procede et dispositif de demarrage d'une pompe a liquide cryogenique
SE7711754L (sv) Anordning for fyllning av ett halsystem med endast en fyllningsoppning
FR2394040A1 (fr) Dispositif d'alimentation pour cryostat
FR3090756B1 (fr) Dispositif de pompage, installation et procédé de fourniture d’hydrogène liquide
FR2366068A1 (fr) Dispositif pour pulveriser un liquide a partir d'un recipient ferme
FR2432618A1 (fr) Appareil de pompage de combustible liquide
ES273584A1 (es) Perfeccionamientos en los sistemas para retirar liquidos frios de depësitos
SU866298A1 (ru) Насосна установка
CA2016858A1 (fr) Systeme de surveillance du dispositif d'etancheite d'une tige de piston pour pompes a mouvement alternatif a l'huile
EP0222233A3 (en) Multistage centrifugal pump for the transport of liquid gas
KR970042251A (ko) 차량 탑재형 오일 공급장치
GB1036301A (en) Pump-hydrant apparatus for transfering liquids such as fuel, fuel oil, water and so on
SU668875A1 (ru) Топливораздаточное устройство
SU1078130A1 (ru) Стенд дл испытаний насосов
GB893642A (en) Process and apparatus for preventing losses from storage vessels for volatile liquids
SU931985A1 (ru) Пневматический погружной насос дл перекачивани агрессивной жидкости из гальванических ванн
GB1201032A (en) Improvements in or relating to pumping apparatus and to the use of such apparatus in a method of pressure testing vessels.
KR880009205A (ko) 미소량의 액체를 정수위 완충 탱크를 이용하여 일정유량으로 펌핑하는 방법과 그 장치
FR2294343A1 (fr) Pompe a piston sans pulsations
SE8505593L (sv) Pumpanordning for anvendning vid pleuradrenage
FR2457991A1 (fr) Pompe volumetrique pour transporter un fluide en deux etapes
SU1028900A1 (ru) Система охлаждени и смазки электродвигател и опор герметичного насоса