Response pattern of marine steam power system under back-steam protection

SHI Zhijun; ZHANG Guolei; LI Yanjun; SONG Fuyuan; LI Xiaoming; ZENG Shuai

doi:10.11949/j.issn.0438-1157.20150649

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Response pattern of marine steam power system under back-steam protection

更新时间：2025-12-10

- Response pattern of marine steam power system under back-steam protection
- CIESC Journal Issue S2, Pages: 287-293(2015)
- 作者机构：
  
  哈尔滨工程大学动力与能源工程学院,黑龙江,哈尔滨,150001
- 作者简介：
- 基金信息：
- DOI：10.11949/j.issn.0438-1157.20150649
  CLC： K323
- Online First：31 August 2015，
  
  Published：31 August 2015
- 稿件说明：
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SHI Zhijun, ZHANG Guolei, LI Yanjun, et al. Response pattern of marine steam power system under back-steam protection[J]. CIESC Journal, 2015, (S2): 287-293.
DOI：

SHI Zhijun, ZHANG Guolei, LI Yanjun, et al. Response pattern of marine steam power system under back-steam protection[J]. CIESC Journal, 2015, (S2): 287-293. DOI： 10.11949/j.issn.0438-1157.20150649.

摘要

回汽保护是缓解蒸汽动力舰船紧急减速时汽包压力骤升幅度、提高舰船机动性的有效措施。建立增压锅炉、主汽轮机、调节阀等设备模型

集成了回汽保护系统仿真模型

并应用试验数据对仿真模型进行了校验。对不同回汽保护控制条件下蒸汽动力系统响应规律进行仿真研究

研究结果表明:倒车调节阀开度越大、开阀时间越短

汽包压力骤升幅度越小

回汽保护效果越明显;倒车调节阀开度越大

冷凝器喉部最高温度越高

而开阀时间对于冷凝器喉部最高温度无明显影响。

Abstract

The back-steam protection is an effective measure to improve the maneuverability of steam-powered ships through reducing the amplitude of the growth of drum pressure caused by the ship's emergency deceleration.The simulation models of the composition units and whole system for back-steam protection system were built and validated through the experimental date

including the supercharged boiler

main steam turbines

valves.The response pattern of marine steam power system on the different control of back-steam protection was researched.The results show that the rising amplitude of the drum pressure with the larger valve opening and the less opening valve time decreases

so the effect of the back-steam protection is more obvious.Also

the larger valve opening

the higher maximum condenser inlet temperature.Moreover

there is no significant influence on the maximum condenser inlet temperature in different opening valve time.

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