|本期目录/Table of Contents|

[1]乔素梅,汪 欢,刘 际,等.直通式氮气放空阀的改进与性能计算[J].工业仪表与自动化装置,2021,(06):74-77.[doi:10.19950/j.cnki.cn61-1121/th.2021.06.014]
　QIAO Sumei,WANG Huan,LIU Ji,et al.Improvement and calculation of straight-through nitrogen vent valve[J].Industrial Instrumentation & Automation,2021,(06):74-77.[doi:10.19950/j.cnki.cn61-1121/th.2021.06.014]
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直通式氮气放空阀的改进与性能计算

《工业仪表与自动化装置》[ISSN:1000-0682/CN:61-1121/TH]

卷:
期数:
2021年06期
页码:
74-77
栏目:
出版日期:
2021-12-15

文章信息/Info

Title:
Improvement and calculation of straight-through nitrogen vent valve
作者:
乔素梅1; 汪 欢1; 刘 际1; 颜 震1; 岳邦强2
（1.北京航天长征机械设备制造有限公司，北京 10111；2.山东华鲁恒升化工股份有限公司，山东 德州 253024）
Author(s):
QIAO Sumei1; WANG Huan1; LIU Ji1; YAN Zhen1; YUE Bangqiang2
（1.Beijing Changzheng Mechanical Equipment Manufacture Co., Ltd., Beijing 10111,China;2.Shandong Hualu-hengsheng Chemical Co., Ltd., Shandong Dezhou 253024,China）
关键词:
放空阀; 噪声和振动; 多级降压式; 数值计算
Keywords:
vent valve;  noise and vibration;  multistage depressurization;  numerical calculation
分类号:
TH138.52
DOI:
10.19950/j.cnki.cn61-1121/th.2021.06.014
文献标志码:
B
摘要:
水煤浆气化装置某位号直通式氮气放空阀，正常工况下承担较大的压差，氮气介质流经放空阀的节流位置时流速偏高，噪声和振动明显，在阀后配置降噪孔板后的降压、降噪效果仍不理想。该文对上述放空阀提出改进措施，采用多级降压手段，通过数值计算得到了阀门改进前后的流场分布，并提出表征噪声、振动程度的合理参数，确保改进后的放空阀出口流速合理，节流位置的流体动能逐级降低，从而有效控制了氮气放空阀的噪声和振动。
Abstract:
The straight-through nitrogen vent valve of a certain tag number in the coal water slurry gasification device bears a large pressure difference under normal working conditions. The flow rate is relatively high, and the noise and vibration are obvious when the nitrogen medium flows through the throttle position of the vent valve. Even though the noise reduction orifice plate is installed behind the valve, the effect of pressure reduction and noise reduction is still not ideal. The improvement measures of the vent valve are proposed, adopting multistage depression, the flow field before and after improvement is obtained by numerical calculation. The reasonable parameters representing the degree of noise and vibration are proposed to ensure that outlet flow rate of the improved vent valve is reasonable, and the fluid kinetic energy at the throttle position drops gradually, which can control the noise and vibration of the nitrogen vent valve effectively.

参考文献/References:

[1] 蒋玲.浅谈一种多级降压高压差结构在放空阀中的应用设计[J].仪器仪表用户,2018,25(8):54-56.

[2] 王硕.关于放空调节阀选型的探讨[J].石油化工设计, 2014,31(02):7-9+5.
[3] 王燕,胡建华,胡建,等.多级套筒调节阀消声减振元件设计研究[J].流体机械,2013,41(07):19-22+13.
[4] 陆培文.调节阀实用技术[M].北京：机械工业出版社,2007.
[5] AN Y J,KIM B J,SHIN B R.Numerical analysis of 3D flow through LNG marine control valves for their advanced design[J].Journal of Mechanical Science and Technology,2008,22(10):1998-2005.
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备注/Memo

备注/Memo:
收稿日期：2021-06-17
作者简介：乔素梅（1987），女，河北保定，硕士，工程师，主要从事特种阀门的研发设计与流体分析工作。
更新日期/Last Update: 1900-01-01