GB1417971A - Gas liquefier or gas refrigerator - Google Patents

Gas liquefier or gas refrigerator

Info

Publication number
GB1417971A
GB1417971A GB5581071A GB5581071A GB1417971A GB 1417971 A GB1417971 A GB 1417971A GB 5581071 A GB5581071 A GB 5581071A GB 5581071 A GB5581071 A GB 5581071A GB 1417971 A GB1417971 A GB 1417971A
Authority
GB
United Kingdom
Prior art keywords
conduit
gas
impurities
compressor
detector
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
Application number
GB5581071A
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.)
BOC Group Ltd
Original Assignee
BOC International Ltd
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 BOC International Ltd filed Critical BOC International Ltd
Priority to GB5581071A priority Critical patent/GB1417971A/en
Publication of GB1417971A publication Critical patent/GB1417971A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
    • F25B9/02—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point using Joule-Thompson effect; using vortex effect
    • 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
    • F17C13/12—Arrangements or mounting of devices for preventing or minimising the effect of explosion ; Other safety measures
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N25/00—Investigating or analyzing materials by the use of thermal means
    • G01N25/14—Investigating or analyzing materials by the use of thermal means by using distillation, extraction, sublimation, condensation, freezing, or crystallisation
    • 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
    • F17C2221/00—Handled fluid, in particular type of fluid
    • F17C2221/01—Pure fluids
    • F17C2221/016—Noble gases (Ar, Kr, Xe)
    • F17C2221/017—Helium
    • 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
    • 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
    • F17C2223/03—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the pressure level
    • F17C2223/033—Small pressure, e.g. for liquefied gas
    • 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
    • F17C2225/00—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel
    • F17C2225/01—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel characterised by the phase
    • F17C2225/0146—Two-phase
    • F17C2225/0153—Liquefied gas, e.g. LPG, GPL
    • 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
    • F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
    • F17C2227/01—Propulsion of the fluid
    • F17C2227/0128—Propulsion of the fluid with pumps or compressors
    • F17C2227/0157—Compressors
    • 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
    • F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
    • F17C2227/03—Heat exchange with the fluid
    • F17C2227/0337—Heat exchange with the fluid by cooling
    • F17C2227/0358—Heat exchange with the fluid by cooling by expansion
    • F17C2227/036—"Joule-Thompson" effect
    • 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
    • F17C2250/0443—Flow or movement of content

Abstract

1417971 Liquefying gases BOC INTERNATIONAL Ltd 27 Nov 1972 [1 Dec 1971] 55810/71 Heading F4P [Also in Division G1] A detector for indicating the presence of impurities in a gas stream comprises a conduit 18, 20 in communication with the stream for receiving a small proportion of the latter, a cold source 8 in thermal contact with a part of the conduit so as to be able to maintain that part at a temperature at which the impurities, but not the gas stream, freeze, and an indicator 42 for indicating the flow-rate through the conduit, a portion of the conduit being shaped to trap any frozen impurities and thereby to restrict the rate of fluid flow through the conduit. The indicator 42 which provides a reading indicative of the impurity level in the gas stream may comprise a flow meter or pressure gauge 2 and be connected to an alarm 44. As shown, the detector may be arranged down-stream of a compressor 2 through which gas, e.g. helium is directed via a conduit 3 passing through progressively cooling heat exchangers 4, 6, 8 to a Joule- Thomson valve 10, liquefied gas being collected from the valve 10 in a container 12 while remaining gas is returned to the compressor 2. The conduits 18, 20 pass through a heat exchanger 22. Part of the gas from the exchanger 4 is returned via an expansion engine 14, to the compressor through exchangers 4, 6 to provide additional refrigeration. That part of the detector in which the frozen impurities, e.g. oxygen and nitrogen are accumulated is defined by a narrow bore pipe 40 in heat exchange relation with a copper end piece (26) (Fig. 2, not shown) which extends into the heat exchanger 8, the pipe being connected at its ends to coiled conduit portions which are housed with it in a stainless steel sleeve (28) and connected to the rest of the conduit 18, 20.
GB5581071A 1971-12-01 1971-12-01 Gas liquefier or gas refrigerator Expired GB1417971A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB5581071A GB1417971A (en) 1971-12-01 1971-12-01 Gas liquefier or gas refrigerator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5581071A GB1417971A (en) 1971-12-01 1971-12-01 Gas liquefier or gas refrigerator

Publications (1)

Publication Number Publication Date
GB1417971A true GB1417971A (en) 1975-12-17

Family

ID=10474950

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5581071A Expired GB1417971A (en) 1971-12-01 1971-12-01 Gas liquefier or gas refrigerator

Country Status (1)

Country Link
GB (1) GB1417971A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0122248A1 (en) * 1983-04-12 1984-10-17 Boliden Aktiebolag A method for analysing gases
WO1991001471A1 (en) * 1989-07-20 1991-02-07 Helix Technology Corporation Method and apparatus for controlling a cryogenic refrigeration system
FR2700836A1 (en) * 1992-09-25 1994-07-29 Iwatani & Co Apparatus for producing liquid nitrogen

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0122248A1 (en) * 1983-04-12 1984-10-17 Boliden Aktiebolag A method for analysing gases
WO1991001471A1 (en) * 1989-07-20 1991-02-07 Helix Technology Corporation Method and apparatus for controlling a cryogenic refrigeration system
FR2700836A1 (en) * 1992-09-25 1994-07-29 Iwatani & Co Apparatus for producing liquid nitrogen

Similar Documents

Publication Publication Date Title
US7031851B2 (en) Method of determining valve leakage based on upstream and downstream temperature measurements
US2895303A (en) Purification of low-boiling gases
US2909903A (en) Liquefaction of low-boiling gases
GB1087894A (en) Cryogenic liquefier
GB8610855D0 (en) Gas liquefaction
GB1411758A (en) Cryogenic refrigeration system
GB1431333A (en) Cryogenic refrigeration utilising the joule-thomson effect
GB1417971A (en) Gas liquefier or gas refrigerator
US2509034A (en) Method and apparatus for liquefying gaseous fluids
CN108458888B (en) Performance testing device for low-temperature heat exchanger with temperature range below K
GB1246161A (en) Generation of energy in a gas cycle
Geist et al. Miniature Joule-Thomson Refrigeration Systems
US3314473A (en) Crystal growth control in heat exchangers
GB831613A (en) Refrigeration apparatus
US4653284A (en) Joule-Thomson heat exchanger and cryostat
GB1433727A (en) Method for reducing fluid losses from a cryostat
CN201852346U (en) Modular temperature display controller capable of realizing vortex refrigeration and heat exchange
US3229470A (en) Vortex throttle and cryostat
Hagenbach et al. Commercial production of liquid neon
US3990265A (en) Joule-Thomson liquifier utilizing the Leidenfrost principle
GB1392302A (en) Liquefaction of hydrogen or helium
Stoecker Selecting the size of pipes carrying hot gas to defrost evaporators
Geist et al. Air Products, Inc. Allentown, Pennsylvania Introduction Small, compact refrigerators are required for air-borne surveillance sys
FR2320510A1 (en) Refrigeration plant with cooling economy - having post evaporator temp. detector and heat exchanger as single unit
Johnson Quantitative study of the Hilsch heat separator

Legal Events

Date Code Title Description
CSNS Application of which complete specification have been accepted and published, but patent is not sealed