基于Fluent的储罐沸溢过程介质转化特性研究

doi:10.16265/j.cnki.issn1003-3033.2025.04.0945

中国安全科学学报 ›› 2025, Vol. 35 ›› Issue (4): 158-164.doi: 10.16265/j.cnki.issn1003-3033.2025.04.0945

基于Fluent的储罐沸溢过程介质转化特性研究

吴飞阳¹(), 陈东梁副教授¹, 尹彩虹高级工程师², 吕庭玮¹, 沙彦杉¹, 陈士博工程师³

¹ 北京化工大学机电工程学院,北京 100029
² 新疆消防救援总队灭火救援指挥部,新疆乌鲁木齐 830000
³ 北京安耐吉能源工程技术有限公司,北京 100192

收稿日期:2024-11-10 修回日期:2025-01-13 出版日期:2025-04-28
作者简介:
吴飞阳 (2000—),男,河南商丘人,硕士研究生,研究方向为化工过程中火灾爆炸灾害预防及抑制。E-mail:1977644944@qq.com。
基金资助:
国家重点研发计划项目(2021YFB3301101); 应急管理部消防救援局科技计划项目(2022XFCX14); 克拉玛依市重点研发计划项目(2024zdyf0027); 化工安全交叉学科研究中心项目(XK2023-07)

Study on medium conversion characteristics of tank boiling overflow process based on Fluent

WU Feiyang¹(), CHEN Dongliang¹, YIN Caihong², LYU Tingwei¹, SHA Yanshan¹, CHEN Shibo³

¹ School of Mechanical and Electrical Engineering, Beijing University of Chemical Technology, Beijing 100029, China
² Fire Rescue Command Center,Xinjiang Fire Rescue Corps, Urumqi Xinjiang 830000, China
³ Beijing Energy Engineering Technology Co., Ltd.,Beijing 100192, China

Received:2024-11-10 Revised:2025-01-13 Published:2025-04-28

摘要/Abstract

摘要：

为降低储罐沸溢事故风险并开发高效防控策略,采用Fluent软件对密闭容器内油-水两相体系的沸溢过程进行二维瞬态数值模拟,分析不同储罐类型、初始水层厚度、油水比例等因素对沸溢过程的影响,研究燃烧触发至沸溢结束全过程的相分布、温度场及流体动力学行为。结果表明:相同储罐类型,油品含水率越高,沸溢强度越小;储罐发生沸溢时,油-水界面发生剧烈失稳,容器内两相介质相互穿插,呈现出混乱的状态,靠近罐壁的液体先向上沸腾,液相温度峰值达400 K;卧式储罐发生沸溢时整体液相温度低于于立式储罐,卧式储罐溢起始时间较立式储罐提前,立式储罐沸溢危险性更大。

关键词: Fluent, 储罐, 沸溢过程, 介质转化特性, 数值模拟

Abstract:

In order to reduce the risk of boil-over accidents in storage tanks and develop efficient prevention and control strategies, two-dimensional transient numerical simulations of the boiling process of oil-water two-phase system in closed containers were carried out using Fluent software. The effects of different tank types, initial water layer thickness, oil-water ratio and other factors on the boiling process were analyzed through numerical simulation. The phase distribution, temperature field and hydrodynamic behavior were studied during the whole process of the combustion triggering to the end of the boil-over. The results show that for the same tank type, the higher the water content of the oil, the smaller the intensity of boiling overflow. When the tank boils over, the oil-water interface undergoes violent instability, and the two phases of the medium in the container are interspersed with each other, presenting a chaotic state. The liquid near the tank wall of boils upward first, with the peak temperature of the liquid phase up to 400 K. When the horizontal storage tank boils over, the overall temperature of the liquid phase is lower than that in the vertical storage tank. The onset of boiling overflow in the horizontal tank occurs earlier than in the vertical tank. Therefore, the boiling overflow in the vertical tank is more dangerous.

Key words: Fluent, storage tanks, boiling overflow process, medium conversion characteristics, numerical simulation

中图分类号:

X937

吴飞阳, 陈东梁, 尹彩虹, 吕庭玮, 沙彦杉, 陈士. 基于Fluent的储罐沸溢过程介质转化特性研究[J]. 中国安全科学学报, 2025, 35(4): 158-164.

WU Feiyang, CHEN Dongliang, YIN Caihong, LYU Tingwei, SHA Yanshan, CHEN Shibo. Study on medium conversion characteristics of tank boiling overflow process based on Fluent[J]. China Safety Science Journal, 2025, 35(4): 158-164.

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试验工况	储罐高度	储罐直径	油层厚度	水层厚度
1	1 250	1 000	50	50
2	1 250	1 000	100	100
3	1 250	1 000	100	50
4	1 250	1 000	200	100
5	1 250	1 000	150	50
6	1 250	1 000	300	100
7	750	1 500	50	50
8	750	1 500	100	100
9	750	1 500	100	50
10	750	1 500	200	100
11	750	1 500	150	50
12	750	1 500	200	100

基于Fluent的储罐沸溢过程介质转化特性研究

Study on medium conversion characteristics of tank boiling overflow process based on Fluent

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