回汽控制对舰用蒸汽动力系统的影响

宋汉江; 张国磊; 曾帅

doi:10.19693/j.issn.1673-3185.02212

回汽控制对舰用蒸汽动力系统的影响

doi: 10.19693/j.issn.1673-3185.02212

1.
中国人民解放军92942部队，北京 100161
2.
哈尔滨工程大学动力与能源工程学院, 黑龙江哈尔滨 150001

详细信息

作者简介:
宋汉江，男，1981年生，博士，高级工程师

张国磊，男，1976年生，博士，副教授。研究方向：舰船蒸汽动力系统性能仿真。E-mail：zhangguolei@hrbeu.edu.cn

曾帅，男，1991年生，硕士。研究方向：动力工程及工程热物理

通信作者:
张国磊

中图分类号: U664.11
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- 被引次数: 0
出版历程
- 收稿日期: 2020-12-04
- 修回日期: 2021-03-23
- 网络出版日期: 2022-02-26
- 刊出日期: 2022-03-02

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

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

回汽控制对舰用蒸汽动力系统的影响由宋汉江，等创作，采用知识共享署名4.0国际许可协议进行许可。

摘要

摘要: 目的船用蒸汽动力系统在紧急减速或换向操作过程中，回汽控制技术是缓解锅炉内锅筒超压问题的有效手段，需对其带来的影响进行研究。方法建立增压锅炉、主汽轮机和螺旋桨等设备的蒸汽动力系统仿真模型，针对大型舰船紧急减速过程和换向操作过程中快关阀无回汽、快关阀有回汽、慢关阀无回汽这3种工况，开展回汽控制特性的仿真对比分析。结果仿真结果表明：回汽控制可以有效避免紧急减速过程和换向过程中的锅筒超压问题，且系统稳定耗时分别缩短了3 min和 1 min左右。结论研究成果可为舰船机动性设计和安全性设计提供参考。
- 蒸汽动力 /
- 动态仿真 /
- 回汽控制 /
- 响应特性
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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图 1 船用蒸汽动力系统的基本结构

Figure 1. Basic structure of marine steam power system

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图 2 减速过程中正车阀阀位的响应曲线

Figure 2. Response of ahead valve position during deceleration

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图 3 减速过程中螺旋桨转速的响应曲线

Figure 3. Response of propeller speed during deceleration

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图 4 减速过程中锅筒压力的响应曲线

Figure 4. Response of boiler drum pressure during deceleration

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图 5 减速过程中燃油流量的响应曲线

Figure 5. Response of fuel flow during deceleration

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图 6 减速过程中倒车阀开度的响应曲线

Figure 6. Response of astern valve position during deceleration

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图 7 减速过程中主蒸汽流量的响应曲线

Figure 7. Response of main steam flow during deceleration

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图 8 换向过程中螺旋桨转速的响应曲线

Figure 8. Response curve of propeller speed in reversing process

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图 9 换向过程中锅筒压力的响应曲线

Figure 9. Response curve of boiler drum pressure in reversing process

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图 10 换向过程中燃油流量的响应曲线

Figure 10. Response curve of fuel flow in reversing process

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图 11 换向过程中主蒸汽流量的响应曲线

Figure 11. Response curve of main steam flow in reversing process

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图 12 换向过程中回汽流量的响应曲线（快关阀有回汽）

Figure 12. Response curve of steam backflow in reversing process (quick closing valve with back-steam)

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表 1 仿真值及相对误差

Table 1. Simulation values and relative errors

模型参数	高速工况		低速工况		倒车工况
模型参数	仿真值	相对误差/%	仿真值	相对误差/%	仿真值	相对误差/%
锅筒压力	1.021	2.10	0.987	1.30	0.976	2.40
过热蒸汽温度	1.017	1.70	1.048	4.80	1.013	1.30
主机进汽流量	1.007	0.70	1.035	3.50	0.983	1.70
螺旋桨转速	0.996	0.40	1.009	0.90	0.995	0.50

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