浮式液化天然气用印刷板路换热器研究和应用进展

印刷板路式换热器凭借其紧凑、高效、可靠的特点能够满足海上浮式天然气液化的主低温换热器的需求,近几年逐渐成为海上浮式天然气液化的主低温换热器的首选。本文对近几年印刷板路式换热器的研究进展进行了综述,包括印刷板路式换热器的基本原理、基于扩散焊接的制造工艺、传热和流动特性、换热器机械特性等;总结了印刷板路式换热器在海上浮式液化天然气中的应用现状以及亟需攻克的关键技术,包括热力设计、制造工艺、检测技术。

Progress of Research and Application of Printed Circuit Heat Exchanger for Offshore LNG Platform

Printed circuit heat exchanger with its compact, efficient, reliable characteristics can meet the requirements of the main cryogenic heat exchanger in the offshore floating natural gas liquefaction. In recent years, it has gradually become the first priority of main cryogenic heat exchangers of offshore floating natural gas liquefaction. In this paper, the progress of research and application of printed circuit heat exchanger in recent years, including the basic principle, manufacturing process based on diffusion welding, heat transfer and pressure drop characteristics, and mechanical behaviors, is reviewed; the application status of printed circuit heat exchanger in offshore LNG platform is summarized; and the key technologies that requires to be overcome in future applications in offshore LNG platform is proposed, including thermal design, manufacturing process, detection technology.