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。


    Access

    Download


    Export, share and cite



    Title :

    Multifunctional system based on LNG (Liquefied Natural Gas) dual-fuel main engine ship and control method thereof


    Additional title:

    基于LNG双燃料主机船舶的多功能系统及其控制方法


    Contributors:
    ZHANG YUAN (author) / CHEN KAIJIE (author) / TIAN ZHEN (author) / YANG CHAO (author) / GAO WENZHONG (author)

    Publication date :

    2024-03-29


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    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



    Ship capable of running selectively with liquefied fuel gas main drive engine and liquefied fuel gas generator engine

    LEE JIN KWANG / CHOI DONG KYU / LEE JUNG HAN | European Patent Office | 2015

    Free access

    Ship applying liquefied natural gas fuel

    FENG ZHIGEN / CHEN XUEFENG / QIN BINGJUN et al. | European Patent Office | 2022

    Free access

    Liquefied natural gas (LNG) fuel tank for dual-fuel large container ship

    PENG JUN / SUN LIANG / MENG JIAJUN et al. | European Patent Office | 2022

    Free access

    Liquefied natural gas ship control system and control method thereof

    HA DAE SEUNG / YUN KYUNG TAE / KWAK KI KON et al. | European Patent Office | 2018

    Free access

    LIQUEFIED NATURAL GAS TRANSFER PIPE FOR SUPPLYING FUEL OF SHIP ENGINE

    LEE JAE-HONG / PARK SEUNG-SEON | European Patent Office | 2021

    Free access