A carbon dioxide liquefaction system disclosed by the embodiment of the specification is used for separating carbon dioxide captured in ship tail gas, and comprises a buffer separation device, a supercharging device and a heat exchanger, wherein the buffer separation device is used for cooling, decompressing and separating carbon dioxide gas from a ship carbon capture system, a first input end of the buffer separation device is connected to the ship carbon capture system, the supercharging device is used for pressurizing the carbon dioxide gas output by the buffer separation device, the input end of the supercharging device is connected to the output end of the buffer separation device, the first input end of the heat exchanger is connected to a liquefied natural gas fuel storage system, the first output end of the heat exchanger is used for outputting heat-exchanged liquefied natural gas, the second input end of the heat exchanger is connected to the output end of the supercharging device, the second output end of the heat exchanger is used for outputting liquid carbon dioxide generated after the heat exchange, a third output end of the heat exchanger is connected to a second input end of the buffer separation device and is used for inputting the carbon dioxide gas subjected to the heat exchange into the buffer separation device.
本说明书实施例公开的二氧化碳液化系统用于对船舶尾气中捕获的二氧化碳进行分离,包括:缓冲分离装置用于对来自船舶捕碳系统的二氧化碳气体进行降温减压分离,缓冲分离装置的第一输入端与船舶捕碳系统连接;增压装置用于对缓冲分离装置输出的二氧化碳气体进行加压,增压装置的输入端与缓冲分离装置的输出端连接;换热器的第一输入端与液态天然气燃料储存系统连接,换热器的第一输出端用于输出换热后的液态天然气,换热器的第二输入端与增压装置的输出端连接,换热器的第二输出端用于输出换热后生成的液态二氧化碳,换热器的第三输出端与缓冲分离装置的第二输入端连接,用于将换热后的二氧化碳气体输入缓冲分离装置。
Carbon dioxide liquefaction system, carbon dioxide liquefaction and liquefied natural gas vaporization combined treatment system and low-carbon-emission ship
二氧化碳液化系统、二氧化碳液化和液态天然气汽化联合处理系统以及低碳排放船舶
2021-07-30
Patent
Electronic Resource
Chinese