27-06-2013 дата публикации
Номер: US20130160487A1
Systems and methods for liquefying natural gas in a motion environment, utilizing a core-in-shell type heat exchanger are provided. 1. A system for cooling or liquefying a process gas in a motion environment , comprising:a. a separation vessel, wherein the separation vessel includes motion suppressing baffles, wherein the separation vessel separates a high pressure refrigerant stream thereby producing a vapor refrigerant stream and a liquid refrigerant stream;b. a vapor liquid refrigerant pipe for delivering the liquid refrigerant stream from the separation vessel to an external heat exchanger core;c. at least one external heat exchanger core, wherein the external heat exchanger core is external to a kettle, wherein the liquid refrigerant stream and a warmer process stream undergo indirect heat exchange in the external heat exchanger core thereby producing a cooled process stream and a vaporized refrigerant stream, wherein the cooled process stream is delivered to a location external to the external heat exchanger core; andd. a partially vaporized refrigerant pipe for delivering the partially vaporized refrigerant from the external heat exchanger core to the separation vessel, wherein the partially vaporized refrigerant pipe provides minimal pressure drop, wherein the partially vaporized refrigerant pipe ensures the thermosiphon effect is maintained.2. The system according to claim 1 , wherein the motion suppressing baffles are horizontally disposed.3. The system according to claim 1 , wherein the motion suppressing baffles are vertically disposed.4. The system according to claim 1 , wherein the motion suppressing baffles are horizontally and vertically disposed.5. A system for chilling or liquefying a process gas in a motion environment claim 1 , comprising:a. a separation vessel, wherein the separation vessel separates a refrigerant stream thereby producing a vapor refrigerant stream and a liquid refrigerant stream;b. a vapor liquid refrigerant pipe for delivering ...
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