Start-up Technology of Lithium/Sulfur Hexafluoride Heat Source

LI Wei-wei; MA Wei-feng; HAN Zhi-ya; ZHANG Qiang; ZHU Qiang; FU Ying-jie

doi:10.11993/j.issn.2096-3920.2021.06.005

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LI Wei-wei, MA Wei-feng, HAN Zhi-ya, ZHANG Qiang, ZHU Qiang, FU Ying-jie. Start-up Technology of Lithium/Sulfur Hexafluoride Heat Source[J]. Journal of Unmanned Undersea Systems, 2021, 29(6): 674-679. doi: 10.11993/j.issn.2096-3920.2021.06.005

Citation:

LI Wei-wei, MA Wei-feng, HAN Zhi-ya, ZHANG Qiang, ZHU Qiang, FU Ying-jie. Start-up Technology of Lithium/Sulfur Hexafluoride Heat Source[J]. Journal of Unmanned Undersea Systems, 2021, 29(6): 674-679. doi: 10.11993/j.issn.2096-3920.2021.06.005

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Start-up Technology of Lithium/Sulfur Hexafluoride Heat Source

doi: 10.11993/j.issn.2096-3920.2021.06.005

1.
The 718 Research Institute, China State Shipbuilding Corporation Limited, Handan 056027, China
2.
The 705 Research Institute, China State Shipbuilding Corporation Limited, Xi’an 710077, China

Received Date: 2021-08-31
Rev Recd Date: 2021-12-18
Publish Date: 2021-12-31

Abstract

Abstract

The start-up technology of a lithium/sulfur hexafluoride heat source is one of the key technologies restricting the application of closed-cycle power systems in unmanned undersea vehicles. According to the characteristics of the lithium/sulfur hexafluoride start-up process, the basic composition of the start-up reagent is determined, the small-size start-up reagent sample is prepared, and the ignition performance test of the start-up reagent and the fast start-up experiment of the small-power boiler reactor are carried out. The test results show that the heat released by the start-up reagent liquefied lithium metal in a few seconds and the lithium liquid temperature exceeded 400℃. Reasonable control of the entry time sequence and flow matching mode of the oxidant and cooling water after ignition can realize continuous and stable operation of the boiler reactor.
- unmanned undersea vehicle,
- lithium/sulfur hexafluoride,
- closed-cycle power system

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Start-up Technology of Lithium/Sulfur Hexafluoride Heat Source

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