US 11,703,187 B2
Method for providing pressurized gas to consumers and corresponding compressor arrangement at variable suction conditions
Mathias Ragot, Sierentz (FR)
Assigned to Cryostar SAS, Hesingue (FR)
Appl. No. 16/959,474
Filed by Cryostar SAS, Hesingue Grand Est (FR)
PCT Filed Dec. 12, 2018, PCT No. PCT/EP2018/084527
§ 371(c)(1), (2) Date Jul. 1, 2020,
PCT Pub. No. WO2019/134799, PCT Pub. Date Jul. 11, 2019.
Claims priority of application No. 18305009 (EP), filed on Jan. 8, 2018.
Prior Publication US 2021/0071815 A1, Mar. 11, 2021
Int. Cl. F17C 7/04 (2006.01)
CPC F17C 7/04 (2013.01) [F17C 2221/033 (2013.01); F17C 2223/0161 (2013.01); F17C 2223/033 (2013.01); F17C 2225/0123 (2013.01); F17C 2227/0157 (2013.01); F17C 2227/0185 (2013.01); F17C 2227/0337 (2013.01); F17C 2250/043 (2013.01); F17C 2250/0439 (2013.01); F17C 2250/0443 (2013.01); F17C 2250/0447 (2013.01); F17C 2265/03 (2013.01)] 23 Claims
OG exemplary drawing
 
1. A method for providing pressurized gas from a source of liquefied gas (1) to a consumer (8), said method comprising:
supplying a vaporized gas from the source of liquefied gas (1) through a main input line (2) to a compressor arrangement (300) for pressurizing the vaporized gas,
the compressor arrangement (300) comprising a plurality of compressor modules (3, 5, 31, 51), each compressor module being able to operate independently from any other compressor module of the compressor arrangement (300), and said compressor arrangement (300) having the ability to bypass one or more of the plurality of compressor modules (5, 51) of the compressor arrangement (300),
wherein gas is conducted through only a part or all of the compressor modules depending on at least one of pressure level, temperature level, mass flow and composition of the gas to be provided to the consumer (8), and
wherein pressurized vaporized gas is cooled by conducting the pressurized vaporized gas through a first cooling unit (10) in a bypass line (6) bypassing the one or more of the plurality of compressor modules (5).