| 伴热稠油管道停输温降数值模拟 |
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| 引用本文： | 张春生,申龙涉,杜明俊,张越. 伴热稠油管道停输温降数值模拟[J]. 管道技术与设备, 2010, 0(6): 10-13 |
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| 作者姓名： | 张春生 申龙涉 杜明俊 张越 |
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| 作者单位： | 1. 辽宁石油化工大学储运与建筑工程学院,辽宁抚顺,113001
2. 独山子石化公司乙烯厂,新疆独山子,833600 |
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| 摘 要： | 基于有限容积法,建立伴热稠油管道停输过程的非稳态传热模型,采用＂焓-多孔度＂技术,利用FLUENT软件,分别对伴热管与稠油管同时停输及稠油管道单独停输两种情况进行了数值模拟,并考虑了析蜡潜热对温降的影响,得出了不同时刻管内原油凝固区、混合区、液油区的位置及温度场的分布。结果表明：两种情况下,稠油固化过程基本相同。稠油管道单独停输时,管内原油温降速率比双管同停温降速率略慢,但在一定时间内相差不大。随着停输时间的延长,两种情况下管内稠油温降速率变化明显,说明伴热管对稠油管道短期停输影响不大。文中给出安全停输时间,为工程设计提供一定指导。
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| 关 键 词： | 有限容积法 稠油管道 停输 数值模拟 |
Numerical Simulation of Heavy Oil Pipeline Heat Tracing for Temperature Drop |
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| ZHANG Chun-sheng,SHEN Long-she,DU Ming-jun,ZHANG Yue. Numerical Simulation of Heavy Oil Pipeline Heat Tracing for Temperature Drop[J]. Pipeline Technique and Equipment, 2010, 0(6): 10-13 |
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| Authors: | ZHANG Chun-sheng SHEN Long-she DU Ming-jun ZHANG Yue |
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| Affiliation: | ZHANG Chun-sheng1,SHEN Long-she1,DU Ming-jun2,ZHANG Yue2(1.Department of Oil & Gas Storage and Transportation,Liaoning Petroleum & Chemical Technology University,Fushun113001,China,2.Dushanzi Petrochemical Corporation Ethylene Factory of Sinopec Corp.,Dushanzi 833600,China) |
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| Abstract: | Based on the finite volume method,this paper established a model of the heat tracing pipe of heavy oil for the shutdown process of non-steady-state heat transfer.UsingEnthalpy-porositytechnology and FLUENT software,a data simulation is conducted in two cases of shutdown of the heat tracing pipe and heavy oil pipeline at the same time and the heavy oil pipeline shutdown separately.The impact of the latent heat of wax precipitation on temperature drop is also taken into consideration.The crude oil tube coagul... |
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| Keywords: | finite volume method heavy oil pipeline shutdown numerical simulation |
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