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Nuclear power-based liquefied natural gas floating storage and regasification unit (LNG-FSRU) regasification system

A technology of LNG-FSRU and liquefied natural gas, which is applied in the field of liquefied natural gas floating regasification, can solve problems such as marine environmental hazards, achieve high nuclear energy utilization, considerable economy, and improve thermal efficiency

Pending Publication Date: 2022-02-18
DALIAN SHIPBUILDING IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The former two need to consume a large amount of fossil fuels as heat sources in the heat exchange process, while the latter will cause harm to the marine environment due to the large-scale discharge of heated seawater after heat exchange.

Method used

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  • Nuclear power-based liquefied natural gas floating storage and regasification unit (LNG-FSRU) regasification system

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Embodiment 1

[0030] Such as figure 1 The shown regasification system of a liquefied natural gas floating regasification unit (LNG-FSRU) based on nuclear power has a reactor cabin, and a nuclear reactor is arranged in the reactor cabin. The nuclear reactor adopts a conventional pressurized water reactor, and the pressurized water reactor passes The pipeline is connected with the steam generator and the main circulation pump in sequence, and the main circulation pump flows back to the pressurized water reactor to form the first circulation network. A voltage stabilizer is arranged between them, and the voltage stabilizer is used to prevent the equipment from being damaged due to the high pressure in the first circulation network and the boiling of the coolant caused by the low pressure.

[0031] The steam generator is sequentially connected with the throttling device, the pump turbine, the first water glycol heater, the seawater condenser, the condensate pump, the warm water tank heating, th...

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Abstract

A liquefied natural gas floating storage and regasification unit (LNG-FSRU) regasification system based on nuclear power comprises a steam generation module and an LNG gasification system, a nuclear reactor is arranged in a reactor cabin of the steam generation module and sequentially connected with a steam generator, the steam generator generates saturated steam of 40-80 bar, and the heat of the 40-80 bar saturated steam is provided for the power generation system, the pump set turbine system and the LNG gasification system. The LNG-FSRU regasification system applies heat energy generated by nuclear energy to a power generation system and a turbine system of a floating device and a propane and water glycol medium heating system based on a steam medium. Meanwhile, a nuclear power cooling system absorbs cold energy released by the regasification system. While saving energy and reducing emission, the seawater heat exchange load of the nuclear power cooling system can be greatly reduced, and the damage to the ecological environment is reduced from multiple angles. The system is stable, reliable, efficient in cold and hot energy utilization, energy-saving, environment-friendly and capable of reducing pollution.

Description

technical field [0001] The invention relates to the technical field of liquefied natural gas floating regasification, in particular to a regasification system of a nuclear power-based liquefied natural gas floating regasification device. Background technique [0002] At present, as people's use of clean energy LNG increases, the market demand for LNG receiving terminals is also increasing. Due to various restrictions on the construction of onshore LNG receiving terminals along the coast, the construction of offshore natural gas floating storage and regasification units (LNG-FSRU) has become a more economical and convenient solution, and has been gradually popularized and applied in the field of LNG engineering technology at home and abroad . [0003] In recent years, many oil and gas companies, shipyards, design companies and equipment manufacturers have carried out research on the safety and design features of LNG-FSRU, and achieved research results in many fields. Among ...

Claims

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Application Information

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IPC IPC(8): F17C9/04G21D9/00
CPCF17C9/04G21D9/00Y02E30/00
Inventor 吴楠孙强潘帅吕岩张义明董庆辉梅荣兵片成荣郭强张林涛
Owner DALIAN SHIPBUILDING IND
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