Volume 17 Issue 1
Mar.  2022
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SONG H J, ZHANG G L, ZENG S. Influence of back-steam control technology on marine steam power system[J]. Chinese Journal of Ship Research, 2022, 17(1): 196–202 doi: 10.19693/j.issn.1673-3185.02212
Citation: SONG H J, ZHANG G L, ZENG S. Influence of back-steam control technology on marine steam power system[J]. Chinese Journal of Ship Research, 2022, 17(1): 196–202 doi: 10.19693/j.issn.1673-3185.02212

Influence of back-steam control technology on marine steam power system

doi: 10.19693/j.issn.1673-3185.02212
  • Received Date: 2020-12-04
  • Rev Recd Date: 2021-03-23
  • Available Online: 2022-02-26
  • Publish Date: 2022-03-02
    © 2022 The Authors. Published by Editorial Office of Chinese Journal of Ship Research. Creative Commons License
    This is an Open Access article distributed under the terms of the Creative Commons Attribution 4.0 International License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
  •   Objectives  In the process of the emergency deceleration and reversing operations of marine steam power systems, back-steam control technology is an effective means of alleviating the problem of boiler drum overpressure, so it is necessary to study its influence on the system.   Methods  This paper establishes a steam power system simulation model of a supercharged boiler, main steam turbine and propeller, and carries out the simulation and comparative analysis of the characteristics of back-steam control in the process of the emergency deceleration and reversing of large ships under the three working conditions of quick closing valve with/without back-steam and slow closing valve without back-steam.   Results  The simulation results show that the steam return control technology can effectively prevent boiler drum overpressure in the process of emergency deceleration and reversing, and the system stability time is shortened by about 3 mins and 1 min respectively.   Conclusion  The results of this study can provide references for ship maneuverability and safety design.
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