Stability of corrosion inhibitor film of high sulfur gas gathering pipeline

被引：0

作者：

Zhongyuan Engineering Design Company, Puyang ^{[1
]}

Henan

457001, China

不详 ^{[2
]}

401311, China

机构：

[1] Zhongyuan Engineering Design Company, Puyang, 457001, Henan

[2] Logistical Engineering University of PLA, Chongqing

来源：

Huagong Xuebao | / 7卷 / 2607-2612期

关键词：

Corrosion; Inhibitor film; Instability; Multiphase flow; Shear stress; Turbulent flow;

D O I：

10.11949/j.issn.0438-1157.20141825

中图分类号：

学科分类号：

摘要：

Aiming at the stability problem of corrosion inhibitor film of the high sulfur gas gathering pipelines with two-phase turbulent flow, the corrosion inhibitor film stability with typical pipe flow in high sour gas field was evaluated by using the dynamic corrosion test system with high temperature and high pressure cyclic reactor. The inhibitor prefilm stability was better when the flow velocity was below 6 m·s-1 and it began partial failure when the flow rate exceeded 7.5 m·s-1, while it was completely failure under the action of flow shear force when the flow rate reached 9 m·s-1. The fluid dynamics study showed that the shear stress of 6.5 N·m-2 was the critical point of the inhibitor film being overall damaged. ©, 2015, Chemical Industry Press. All right reserved.

引用

页码：2607 / 2612

页数：5

共 21 条

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