A liquid natural gas regasification system for fsru

Abstract

The invention discloses a liquefied natural gas regasification system for a floating storage and regasification unit (FSRU) and aims to solve the problems that the gasification speed of liquefied natural gas is small, the temperature of the gasified natural gas is instable, and a using effect is affected. The liquefied natural gas regasification system comprises a boiler, a first-stage gasification device, a second-stage heating device and a condenser. The first-stage gasification device is internally provided with a gasification cavity and a heating cavity. The first-stage gasification deviceis provided with a liquefied natural gas inlet and a gaseous natural gas outlet which communicate with the gasification cavity. The first-stage gasification device is provided with a first-stage steam inlet and a first-stage steam outlet which communicate with the heating cavity. The second-stage heating device is internally provided with a heat exchanging pipe. The second-stage heating device isprovided with a second-stage steam inlet and a second-stage steam outlet. The boiler is provided with a steam supplying opening. The first-stage steam inlet and the second-stage steam inlet communicate with a steam supplying opening pipeline. The first steam outlet and the second-stage steam outlet are connected with the condenser through a pipeline. The gaseous natural gas outlet communicates with one end of the heat exchanging pipe in the second-stage heating device.

Description

technical field [0001] The present invention relates to FSRU technology, more specifically, it relates to a liquefied natural gas regasification system for FSRU. Background technique [0002] FSRU is the abbreviation of Floating Storage and Regasification Unit (English Floating Storage and Regasification Unit), also known as floating regasification unit, floating LNG regasification unit, usually also called LNG-FSRU. FSRU is a special equipment integrating multiple functions such as LNG (liquefied natural gas) reception, storage, transshipment, regasification and export. Liquid natural gas needs to be reduced to a gaseous state before use. The traditional treatment system uses seawater directly as a heat source to restore natural gas to a gaseous state. However, this process can easily cause seawater to cool and freeze, causing marine organisms to condense, causing serious ecological damage in a small area. . Moreover, the gasification speed of natural gas is slow, and the...

AI Technical Summary

Problems solved by technology

Liquid natural gas needs to be reduced to a gaseous state before use. The traditional treatment system uses seawater directly as a heat source to restore natural gas to a gaseous state. However, this process can easily cause seawater to cool and freeze, causing marine organisms to condense, causing serious ecological damage in a small area.

Moreover, the gasification speed of natural gas is slow, and the temperature of natural gas after gasification is unstable, which affects the use effect

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