GB1095991A - Improvements in or relating to an apparatus for the cooling and liquefaction of gases - Google Patents
Improvements in or relating to an apparatus for the cooling and liquefaction of gasesInfo
- Publication number
- GB1095991A GB1095991A GB11800/55A GB1180055A GB1095991A GB 1095991 A GB1095991 A GB 1095991A GB 11800/55 A GB11800/55 A GB 11800/55A GB 1180055 A GB1180055 A GB 1180055A GB 1095991 A GB1095991 A GB 1095991A
- Authority
- GB
- United Kingdom
- Prior art keywords
- coil
- air
- tube
- wound
- fins
- 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
Links
- 238000001816 cooling Methods 0.000 title abstract 4
- 239000007789 gas Substances 0.000 title abstract 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract 6
- 229920000742 Cotton Polymers 0.000 abstract 3
- 229910002092 carbon dioxide Inorganic materials 0.000 abstract 3
- 239000001569 carbon dioxide Substances 0.000 abstract 3
- 239000007788 liquid Substances 0.000 abstract 2
- 238000012856 packing Methods 0.000 abstract 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract 1
- 229910052802 copper Inorganic materials 0.000 abstract 1
- 239000010949 copper Substances 0.000 abstract 1
- 239000011521 glass Substances 0.000 abstract 1
- 238000003780 insertion Methods 0.000 abstract 1
- 230000037431 insertion Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 1
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
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
- F25J1/02—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process
- F25J1/0243—Start-up or control of the process; Details of the apparatus used; Details of the refrigerant compression system used
- F25J1/0257—Construction and layout of liquefaction equipments, e.g. valves, machines
- F25J1/0275—Construction and layout of liquefaction equipments, e.g. valves, machines adapted for special use of the liquefaction unit, e.g. portable or transportable devices
- F25J1/0276—Laboratory or other miniature devices
-
- 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
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2290/00—Other details not covered by groups F25J2200/00 - F25J2280/00
- F25J2290/42—Modularity, pre-fabrication of modules, assembling and erection, horizontal layout, i.e. plot plan, and vertical arrangement of parts of the cryogenic unit, e.g. of the cold box
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S62/00—Refrigeration
- Y10S62/19—Ionic thompson effect
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Clinical Laboratory Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Separation By Low-Temperature Treatments (AREA)
Abstract
1095991 Liquefying gases; tubular heat exchange elements MINISTER OF TECHNOLOGY 21 March 1956 [23 April 1955] 11800/55 Headings F4H and HG13 A heat exchanger comprises a tube having fins helically wound on it and itself wound about a cylindrical mounting of low thermal capacity, a pressure head for feeding one end of the tube, an expansion nozzle terminating the other end of the tube, and resilient worming wound with the tube to define in conjunction with the internal wall of a cylindrical container into which the heat exchanger is inserted in operation, a passage through the tube fins and extending concentrically with the axis of the cylindrical mounting for gas expanded by the expansion nozzle. In the Figure the heat exchanger coil 1 is wound on a cylinder 2 and wormed with cotton packing threads 3; the coil is secured between end caps 4, 5 and is provided with an expansion nozzle 7 at one end. A continuous spiral of copper is wound round the coil to provide cooling fins. The space 6 between the end caps is filled with a material of low thermal capacity to reduce convection. In use, the coil is inserted into a cooling space 11 in a double-walled Dewar flask, and fits snugly by virtue of the cotton threads 3, which cushion the coil against the glass sides of the flask; a resilient thermally conductive tubular sheath may be fitted over the outside of the coil 1 and the packing threads 3 to facilitate its insertion into the flask. High-pressure air from an air bottle enters the top end of the coil and after passing through the coil expands through the nozzle 7 and passes back round the outside of the coil and exhausts to the atmosphere. In an example 120 c.c. of air pass through the coil each second, and liquid air forms in the space 11 after about 24 seconds; the liquid air is absorbed by cotton wool 17, so that it is possible to use the apparatus in any altitude. The cooling may be controlled by adding 0À5% of carbon dioxide to the air so that the fins of the coil become blocked by solid carbon dioxide some time after liquefaction begins; the flow of air then ceases until the apparatus warms sufficiently to melt the carbon dioxide, whereupon the cycle re-commences.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB11800/55A GB1095991A (en) | 1955-04-23 | 1955-04-23 | Improvements in or relating to an apparatus for the cooling and liquefaction of gases |
US579021A US3366796A (en) | 1955-04-23 | 1956-04-18 | Apparatus for the cooling and liquefaction of gases |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB11800/55A GB1095991A (en) | 1955-04-23 | 1955-04-23 | Improvements in or relating to an apparatus for the cooling and liquefaction of gases |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1095991A true GB1095991A (en) | 1967-12-20 |
Family
ID=9992939
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB11800/55A Expired GB1095991A (en) | 1955-04-23 | 1955-04-23 | Improvements in or relating to an apparatus for the cooling and liquefaction of gases |
Country Status (2)
Country | Link |
---|---|
US (1) | US3366796A (en) |
GB (1) | GB1095991A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2119071A (en) * | 1982-04-19 | 1983-11-09 | British Aerospace | Joule-Thomson cooling apparatus |
CN105765320A (en) * | 2013-09-23 | 2016-07-13 | D-波系统公司 | Systems and methods for cryogenic refrigeration |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3495204A (en) * | 1967-02-16 | 1970-02-10 | Siemens Ag | Electrical resistors having alcoholwater coolant |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB189807773A (en) * | 1898-04-01 | 1899-03-04 | William Hampson | Improvements in the Process and Apparatus for the Self-intensive Refrigeration of Gases by Expansion and Counter-current Interchange. |
US2521181A (en) * | 1947-07-21 | 1950-09-05 | Charles P Morse | Cigarette lighter |
US2690060A (en) * | 1949-08-22 | 1954-09-28 | Phillips Petroleum Co | Fractional distillation |
-
1955
- 1955-04-23 GB GB11800/55A patent/GB1095991A/en not_active Expired
-
1956
- 1956-04-18 US US579021A patent/US3366796A/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2119071A (en) * | 1982-04-19 | 1983-11-09 | British Aerospace | Joule-Thomson cooling apparatus |
CN105765320A (en) * | 2013-09-23 | 2016-07-13 | D-波系统公司 | Systems and methods for cryogenic refrigeration |
Also Published As
Publication number | Publication date |
---|---|
US3366796A (en) | 1968-01-30 |
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