3348384

Information

• Patent Grant
• 3348384

• References
• Source

• Patent Number

  3,348,384

• Date Filed

  Not available

• Date Issued

  Tuesday, October 24, 1967
  57 years ago

• CPC

  • F25J1/0205 - as a dual level SCR refrigeration cascade
  • F25J1/0022 - Hydrocarbons
  • F25J1/0035 - by gas expansion with extraction of work
  • F25J1/0037 - of a return stream
  • F25J1/0052 - by vaporising a liquid refrigerant stream
  • F25J1/0082 - Methane
  • F25J1/0085 - Ethane; Ethylene
  • F25J1/0229 - Integration with a unit for using hydrocarbons
  • F25J1/023 - for the combustion as fuels
  • F25J1/0267 - using flash gas as heat sink
  • F25J1/0281 - characterised by the type of prime driver
  • F25J1/0285 - Combination of different types of drivers mechanically coupled to the same refrigerant compressor, possibly split on multiple compressor casings
  • F25J1/029 - Mechanically coupling of different refrigerant compressors in a cascade refrigeration system to a common driver
  • F25J3/0209 - Natural gas or substitute natural gas
  • F25J3/0219 - Refinery gas, cracking gas, coke oven gas, gaseous mixtures containing aliphatic unsaturated CnHm or gaseous mixtures of undefined nature
  • F25J3/0233 - separation of CnHm with 1 carbon atom or more
  • F25J3/0257 - separation of nitrogen
  • F25J2200/02 - in a single pressure main column system
  • F25J2200/50 - using multiple (re-)boiler-condensers at different heights of the column
  • F25J2200/72 - Refluxing the column with at least a part of the totally condensed overhead gas
  • F25J2205/04 - in the feed line
  • F25J2210/14 - Coke-ovens gas
  • F25J2230/20 - Integrated compressor and process expander Gear box arrangement Multiple compressors on a common shaft
  • F25J2230/30 - Compression of the feed stream
  • F25J2230/32 - Compression of the product stream
  • F25J2230/60 - the fluid being hydrocarbons or a mixture of hydrocarbons
  • F25J2240/02 - Expansion of a process fluid in a work-extracting turbine (i.e. isentropic expansion)
  • F25J2245/02 - Recycle of a stream in general
  • F25J2260/60 - Integration in an installation using hydrocarbons
  • F25J2270/04 - Internal refrigeration with work-producing gas expansion loop
  • F25J2270/12 - External refrigeration with liquid vaporising loop
  • F25J2270/60 - Closed external refrigeration cycle with single component refrigerant [SCR]

• US Classifications

  • 062 - Refrigeration