The invention discloses a multifunctional system based on an LNG dual-fuel main engine ship and a control method of the multifunctional system, and belongs to the technical field of ship cold and hot energy comprehensive utilization, energy conservation and emission reduction. The system comprises a gas supply combustion, flue gas waste heat and LNG cold energy utilization unit, a CO2 capture unit, a CO2 compression liquefaction unit, a solar energy composite LNG cold energy unit and a multi-effect distillation seawater desalination composite organic Rankine cycle unit. The gas supply combustion, flue gas waste heat and LNG cold energy utilization unit comprises a gas supply combustion part, a flue gas waste heat part and an LNG cold energy utilization part, and flue gas of the flue gas waste heat part is connected with the CO2 trapping unit and the multi-effect distillation seawater desalination composite organic Rankine cycle unit. Waste gas waste heat of an LNG dual-fuel ship main engine and waste cold released by LNG gasification are utilized, solar energy is introduced at the same time, multi-energy complementary driving cold, heat, electricity and water cogeneration and CO2 capture and storage are achieved, efficient gradient utilization of cold energy and heat energy is achieved, and energy conservation and emission reduction are achieved.
本发明公开了一种基于LNG双燃料主机船舶的多功能系统及其控制方法,属于船舶冷热能综合利用、节能减排技术领域。它包括供气燃烧、烟气余热和LNG冷能利用单元、CO2捕集单元、压缩液化CO2单元、太阳能复合LNG冷能单元、多效蒸馏海水淡化复合有机朗肯循环单元;供气燃烧、烟气余热和LNG冷能利用单元包括供气燃烧部分、烟气余热部分和LNG冷能利用部分,其中,烟气余热部分的烟气与CO2捕集单元和多效蒸馏海水淡化复合有机朗肯循环单元连接。本发明利用LNG双燃料船舶主机的废气余热和LNG气化释放的余冷,同时引入太阳能,实现多能互补驱动冷热电水联产与CO2的捕集与封存,实现冷热能高效梯级利用,实现节能减排。
Multifunctional system based on LNG (Liquefied Natural Gas) dual-fuel main engine ship and control method thereof
基于LNG双燃料主机船舶的多功能系统及其控制方法
2024-03-29
Patent
Electronic Resource
Chinese
IPC: | B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING / B63J Hilfsanlagen auf Schiffen , AUXILIARIES ON VESSELS / F01N GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL , Schalldämpfer oder Auspuffvorrichtungen für Gase von Kraft- und Arbeitsmaschinen oder von Kraftmaschinen allgemein / F25J LIQUEFACTION, SOLIDIFICATION, OR SEPARATION OF GASES OR GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT , Verflüssigen, Verfestigen oder Trennen von Gasen oder Gasgemischen durch Druck- und Kältebehandlung |
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