FR2313707A1 - Level controller for cryogenic liquids - has level sensor for gas above cryogenic liquid contained in movable bellows - Google Patents

Level controller for cryogenic liquids - has level sensor for gas above cryogenic liquid contained in movable bellows

Info

Publication number
FR2313707A1
FR2313707A1 FR7517846A FR7517846A FR2313707A1 FR 2313707 A1 FR2313707 A1 FR 2313707A1 FR 7517846 A FR7517846 A FR 7517846A FR 7517846 A FR7517846 A FR 7517846A FR 2313707 A1 FR2313707 A1 FR 2313707A1
Authority
FR
France
Prior art keywords
level
cryogenic
cryogenic liquid
liquid contained
gas above
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
Application number
FR7517846A
Other languages
French (fr)
Other versions
FR2313707B1 (en
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.)
Consiglio Nazionale delle Richerche CNR
Original Assignee
Consiglio Nazionale delle Richerche CNR
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 Consiglio Nazionale delle Richerche CNR filed Critical Consiglio Nazionale delle Richerche CNR
Priority to FR7517846A priority Critical patent/FR2313707A1/en
Publication of FR2313707A1 publication Critical patent/FR2313707A1/en
Application granted granted Critical
Publication of FR2313707B1 publication Critical patent/FR2313707B1/fr
Granted legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
    • F17C13/021—Special adaptations of indicating, measuring, or monitoring equipment having the height as the parameter
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D9/00—Level control, e.g. controlling quantity of material stored in vessel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/01—Reinforcing or suspension means
    • F17C2203/011—Reinforcing means
    • F17C2203/012—Reinforcing means on or in the wall, e.g. ribs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0323—Valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
    • F17C2223/0146—Two-phase
    • F17C2223/0153—Liquefied gas, e.g. LPG, GPL
    • F17C2223/0161—Liquefied gas, e.g. LPG, GPL cryogenic, e.g. LNG, GNL, PLNG
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/04—Indicating or measuring of parameters as input values
    • F17C2250/0404—Parameters indicated or measured
    • F17C2250/0408—Level of content in the vessel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/06—Controlling or regulating of parameters as output values
    • F17C2250/0605—Parameters
    • F17C2250/061—Level of content in the vessel

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Diaphragms And Bellows (AREA)

Abstract

The level controller for cryogenic liquid comprises a closure valve in a pipe for conveying the liquid into the vessel and a level sensor with a transducer which converts the sensor signal to displacement of the valve into a closed position. The sensor comprises a gas which condenses at the temp. of the cryogenic liquid and which is hermetically contained in an inner chamber (31) of an elastic bellows member (27) and within a capillary tube (33) of which one end is connected to the inner chamber while the other end is closed. The capillary tube includes a probe (34) which is disposed at liquid level in the vessel. The transducer consists of the bellows member, and includes a fixed bottom portion (26) connected to a stationary valve portion (10), and a movable bottom portion (28) connected to a movable valve portion (17).
FR7517846A 1975-06-02 1975-06-02 Level controller for cryogenic liquids - has level sensor for gas above cryogenic liquid contained in movable bellows Granted FR2313707A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7517846A FR2313707A1 (en) 1975-06-02 1975-06-02 Level controller for cryogenic liquids - has level sensor for gas above cryogenic liquid contained in movable bellows

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7517846A FR2313707A1 (en) 1975-06-02 1975-06-02 Level controller for cryogenic liquids - has level sensor for gas above cryogenic liquid contained in movable bellows

Publications (2)

Publication Number Publication Date
FR2313707A1 true FR2313707A1 (en) 1976-12-31
FR2313707B1 FR2313707B1 (en) 1978-10-13

Family

ID=9156185

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7517846A Granted FR2313707A1 (en) 1975-06-02 1975-06-02 Level controller for cryogenic liquids - has level sensor for gas above cryogenic liquid contained in movable bellows

Country Status (1)

Country Link
FR (1) FR2313707A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0098646A2 (en) * 1982-07-05 1984-01-18 Leuven Research & Development V.Z.W. Cold-responsive relay
FR2706579A1 (en) * 1993-06-15 1994-12-23 Linde Ag Method for protecting against overflowing when filling a storage tank

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1485722A (en) * 1966-05-12 1967-06-23 Integral level regulator for cryogenic trap

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1485722A (en) * 1966-05-12 1967-06-23 Integral level regulator for cryogenic trap

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
REVUE DT "KAELTE", VOL. 20, 1967, NO. 2, PAGES 78 A 83. "EIN VERBESSERTER FALTENBALG-FULLSTANDREGLER MIT MAGNETSPRINGSCHALTUNG ZUR KONSTANTHALTUNG DES PEGELS FLUSSIGER GASE.") *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0098646A2 (en) * 1982-07-05 1984-01-18 Leuven Research & Development V.Z.W. Cold-responsive relay
EP0098646A3 (en) * 1982-07-05 1985-05-22 Leuven Research & Development V.Z.W. Cold-responsive relay
FR2706579A1 (en) * 1993-06-15 1994-12-23 Linde Ag Method for protecting against overflowing when filling a storage tank

Also Published As

Publication number Publication date
FR2313707B1 (en) 1978-10-13

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Legal Events

Date Code Title Description
ST Notification of lapse