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

SONG Hanjiang; ZHANG Guolei; ZENG Shuai

doi:10.19693/j.issn.1673-3185.02212

Volume 17 Issue 1

Mar. 2022

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Article Navigation > Chinese Journal of Ship Research > 2022 > 17(1): 196-202

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

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

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

doi: 10.19693/j.issn.1673-3185.02212

1.
The 92942 Unit of PLA, Beijing 100161, China
2.
College of Power and Energy Engineering, Harbin Engineering University, Harbin 150001, China

Received Date: 2020-12-04
Rev Recd Date: 2021-03-23

Available Online: 2022-02-26

Publish Date: 2022-03-02

Abstract

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.

Abstract

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.
- steam power,
- dynamic simulation,
- back-steam control,
- response characteristics

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References(12)

References

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