快速降负荷船用涡轮增压机组动态特性仿真

doi:10.11949/j.issn.0438-1157.20180867

化工学报 ›› 2018, Vol. 69 ›› Issue (S2): 316-323.DOI: 10.11949/j.issn.0438-1157.20180867

快速降负荷船用涡轮增压机组动态特性仿真

张国磊¹, 孙瑞¹, 张晓宇², 冯永明¹, 马庆阳¹

1 哈尔滨工程大学动力与能源工程学院, 黑龙江哈尔滨 150001;
2 中国船舶重工集团有限公司第703研究所, 黑龙江哈尔滨 150078

收稿日期:2018-07-30 修回日期:2018-10-09 出版日期:2018-12-31 发布日期:2018-12-31
基金资助:
中央高校基本科研业务费专项资金项目（GK2030260178）。

Dynamic characteristics simulation of marine turbocharger under process of rapid load reduction

ZHANG Guolei¹, SUN Rui¹, ZHANG Xiaoyu², FENG Yongming¹, MA Qingyang¹

1 College of Power and Energy Engineering, Harbin Engineering University, Harbin 150001, Heilongjiang, China;
2 703 Research Institute of China Shipbuilding Industry Corporation, Harbin 150078, Heilongjiang, China

Received:2018-07-30 Revised:2018-10-09 Online:2018-12-31 Published:2018-12-31
Supported by:
supported by the Fundamental Research Funds for the Central Universities (GK2030260178).

摘要/Abstract

摘要：

船用涡轮增压机组在快速降负荷过程中，维持合理的风油配比，保证燃烧正常以及避免压气机发生喘振是需要关注的重要问题。建立由增压锅炉、涡轮增压机组等主要设备构成的蒸汽动力系统仿真模型，对不同负荷突降程度下的涡轮增压机组动态特性进行仿真研究，仿真结果表明：动力系统负荷由100%突降至20%，旁通挡板打开持续时间约为5 s，排走过剩空气；在快速降负荷过程中，负荷突降幅度越大，压气机瞬时喘振裕度越小，越易发生喘振；系统最终稳定负荷越低，压气机喘振裕度越小，越易发生喘振。

Abstract:

It is so important for marine turbocharger unit to maintain a reasonable ratio of wind to fuel oil, ensure normal combustion and avoid surge in the compressor in the process of rapid load reduction. A simulation model consisting of supercharged boilers and turbocharger unit was built. The response pattern of marine turbocharger unit in different reduction amplitude of load was researched. The simulation results show as follows. The load of the power system is reduced from 100% to 20%,the bypass valve is continuously opened for approximately 5 s to exhaust excess air. In the process of rapid load reduction, the greater the amplitude of the load reduction, the smaller the surge margin of the compressor and more likely the compressor is to surge. The lower the final stable load of the system, the smaller the surge margin of the compressor and more likely the compressor is to surge.

中图分类号:

TK02

张国磊, 孙瑞, 张晓宇, 冯永明, 马庆阳. 快速降负荷船用涡轮增压机组动态特性仿真[J]. 化工学报, 2018, 69(S2): 316-323.

ZHANG Guolei, SUN Rui, ZHANG Xiaoyu, FENG Yongming, MA Qingyang. Dynamic characteristics simulation of marine turbocharger under process of rapid load reduction[J]. CIESC Journal, 2018, 69(S2): 316-323.

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快速降负荷船用涡轮增压机组动态特性仿真

Dynamic characteristics simulation of marine turbocharger under process of rapid load reduction

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