FEATURES OF LNG' MANUFACTURE ON GAS-DISTRIBUTING STATIONS AT VARIABLE PRESSURE IN THE GAS MAIN
DOI:
https://doi.org/10.18198/j.ind.gases.2008.0358Keywords:
Liquefied natural gas (LNG), Gas-distributing station, Expander, Throttle, Heat-exchanger, Liquefaction, Cold-productivity, Regulation, LNG-plantAbstract
Liquefied natural gas (LNG) it is advantageous to making on gas-distributing stations. For this purpose a difference of pressure between gas mains of high (main) and low pressure is used. For creation of cryogenic LNG-plant is chosen a throttle-expander cycle of average pressure. The purpose of research is definition of changes the productivity of plant at increase (reduction) of pressure in the gas main without use of regulation or in view of its opportunities. Ways of decrease and increase of productivity on plant caused by inconsistency of manufacture and consumption of LNG are also considered. Mathematical modelling of various operating modes of LNG-plant was carried out with use of the program intended for calculation of sold technological processes. On its basis characteristics of LNG-plant in not settlement modes are determined.
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