Dynamic characteristics simulation of steam supplying system in different steam charging ways

doi:10.11949/j.issn.0438-1157.20160528

CIESC Journal ›› 2016, Vol. 67 ›› Issue (S1): 326-333.DOI: 10.11949/j.issn.0438-1157.20160528

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Dynamic characteristics simulation of steam supplying system in different steam charging ways

MA Biao¹, LI Yanjun¹, GUO Jiamin², ZHANG Guolei¹, SONG Fuyuan¹, LI Jian¹, ZENG Shuai¹, ZHANG Xiaoyu¹

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:2016-04-21 Revised:2016-05-07 Online:2016-08-31 Published:2016-08-31
Supported by:
supported by the National Natural Science Foundation of China (51479040，51409070) and the Natural Science Foundation of Heilongjiang Province (E201422).

不同充汽方式下供汽系统动态特性仿真

马彪¹, 李彦军¹, 郭家敏², 张国磊¹, 宋福元¹, 李健¹, 曾帅¹, 张晓宇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 中国船舶重工集团公司第703研究所, 黑龙江哈尔滨 150078

通讯作者: 张国磊,zhangguolei@hrbeu.edu.cn
基金资助:
国家自然科学基金项目（51479040，51409070）；黑龙江省自然科学基金项目（E201422）。

Abstract

Abstract:

With steam supplying system as the object of the research, the mathematical models are based on the lumped parameter theory. The study has been carried out in two different charging ways. One of them is charging valve in Auto-Control and the other is bypass valve in Auto-Control. The simulation results show as follows.The time to complete three times charging and discharging is 76.3 seconds when bypass valve is in Auto-Control. The time to complete three times charging and discharging is 62.9 seconds when charging valve is in Auto-Control. 4.5 seconds have been saved for each charging when charging valve is in Auto-Control. The key parameters maintain relatively stable during the charging period in both charging ways. The main parameters have relatively larger fluctuations when the two valves are being switched on. But the main parameters are less than 0.2 MPa. In the same charging way,the fluctuation of drum pressure is less than the fluctuation of superheated steam pressure, and the fluctuation of superheated steam pressure is less than the fluctuation of steam supplying pipe pressure.

Key words: steam supplying system, mathematical models, charging ways, dynamic simulation, numerical simulation, numerical analysis

摘要：

以供汽系统为研究对象，采用集总参数法建立相应的数学模型，进行充汽阀自动控制充汽和旁通阀自动控制充汽两种充汽方式的动态仿真。结果表明：旁通阀自动控制充汽时完成3次充放汽时间为76.3 s，充汽阀自动控制充汽时完成3次充放汽时间为62.9 s，充汽阀自动控制充汽时平均每次充汽时间减少4.5 s；两种充汽方式关键参数在充汽阶段均维持较为稳定，在阀门切换阶段存在较大波动，但压力波动均小于0.2 MPa；相同充汽方式下，汽包压力波动< 过热蒸汽压力波动< 供汽母管压力波动。

关键词: 供汽系统, 数学模型, 充汽方式, 动态仿真, 数值模拟, 数值分析

CLC Number:

TQ028.8

MA Biao, LI Yanjun, GUO Jiamin, ZHANG Guolei, SONG Fuyuan, LI Jian, ZENG Shuai, ZHANG Xiaoyu. Dynamic characteristics simulation of steam supplying system in different steam charging ways[J]. CIESC Journal, 2016, 67(S1): 326-333.

马彪, 李彦军, 郭家敏, 张国磊, 宋福元, 李健, 曾帅, 张晓宇. 不同充汽方式下供汽系统动态特性仿真[J]. 化工学报, 2016, 67(S1): 326-333.

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Dynamic characteristics simulation of steam supplying system in different steam charging ways

不同充汽方式下供汽系统动态特性仿真

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