An Efficient Pulse Tube Cryocooler for BOG Recondensation in LNG Tanks

Jianying Hu、Jian Zhu、S. Chen、Ercang Luo、Wei Dai、H.B. Li

2014Energy ProcediaEngineering被引 2开放获取

摘要

Small liquid natural gas (LNG) distribution stations require compact, highly efficient cryocoolers to condense boil-off gas in the LNG tank. This paper reports a pulse tube cryocooler measuring 420*690*780 mm and weighing 180 kg. Using low input electric power, the relative Carnot efficiency was greater than 20%. Increasing the power to 11 kW, the cryocooler produced approximately 1.2 kW of cooling at 120 K. Approximately 293 normal cubic meters of boil-off NG per day can be condensed. If heat transfer in the main heat exchanger was improved, cooling power and efficiency could be improved. It presents a new efficient, compact and reliable configuration for the energy saving in LNG distribution stations.

引用本文（GB/T 7714）

Jianying Hu, Jian Zhu, S. Chen, 等. An Efficient Pulse Tube Cryocooler for BOG Recondensation in LNG Tanks[J]. Energy Procedia, 2014.

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DOI：https://doi.org/10.1016/j.egypro.2014.12.275

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