Pipeline erosion corrosion test experimental facility
A technique for scouring corrosion and testing experiments, applied in the direction of measuring devices, testing wear resistance, instruments, etc., can solve the problems of imperfect experimental equipment, inability to test pipeline scouring corrosion well, and large impact, so as to save experimental costs, Good fastening and easy experimental operation
Inactive Publication Date: 2017-06-27
CHANGZHOU UNIV
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Problems solved by technology
[0005] The technical problem to be solved by the present invention is: in order to solve the imperfect experimental equipment in the prior art, the influence of the difference of external conditions on the experiment during the experiment process is relatively large, resulting in the inability to test the technical problem of pipeline erosion corrosion well
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[0025] The present invention will be described in detail in conjunction with accompanying drawing now. This figure is a simplified schematic diagram only illustrating the basic structure of the present invention in a schematic manner, so it only shows the components relevant to the present invention.
[0026] Such as Figure 1-7Shown is an embodiment of the present invention, an experimental device for pipeline erosion and corrosion testing, including a screw 1, a nut 2, a sample table 3, a reinforcement ring 4, a pipeline 5, a sample 6, a rubber gasket 7, a reference electrode and auxiliary Electrode placement hole 8, metal gasket 9. Pipeline 5 is an elbow. The sample stage 3 is a cylindrical stepped structure, the outer diameter of the connecting part with the reinforcement ring 4 is 100 mm, the lower part has external threads, and the outer outer diameter of the connecting part with the opening is 50 mm, and the middle circle of the mounting surface of the corrosion test ...
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Abstract
The invention provides a pipeline erosion corrosion test experimental facility. The pipeline erosion corrosion test experimental facility comprises a pipeline, a sample platform and an electrochemical test platform, wherein an open hole is formed in the pipeline, the tail end of the sample platform is mounted in the open hole, a corrosion test sample mounting surface is arranged at the tail end of the sample platform, a corrosion test sample mounting hole is formed in the corrosion test sample mounting surface, a sample is placed in the mounting hole, the mounting surface and a sample test surface are on the same curved surface with the inner wall of the pipeline, a placing hole used for mounting a reference electrode and an auxiliary electrode is also formed in the pipeline, the placing hole and the open hole are oppositely arranged in position, and a sample as well as the reference electrode and the auxiliary electrode are respectively connected with the electrochemical test platform by virtue of a wire. The pipeline erosion corrosion test experimental facility has the advantages that the sample platform can directly place the sample into the interior of the pipeline, the sample platform is good in sealability and fastness, and the sample and the inner wall of the pipeline are in smooth transition, so that factors which influence an experiment, including flow state of a fluid, are eliminated, and requirement for carrying out a pipeline erosion corrosion test experiment by a researcher is met.
Description
technical field [0001] The invention relates to the technical field of scouring and corrosion experiments, in particular to an experimental device for scouring and corrosion testing of pipelines. Background technique [0002] Erosion-Corrosion, also known as wear corrosion, is a metal damage phenomenon caused by high-speed relative motion between the metal surface and the corrosive fluid. Large local corrosion widely exists in petroleum, chemical and other production fields. All types of equipment exposed to moving fluids, such as slurry conveying pipelines, pump flow parts and valves, etc., will suffer from erosion corrosion damage, especially in two-phase flow containing solid particles, the damage is more serious . Therefore, the research on erosion corrosion has aroused people's great attention. [0003] Erosion corrosion is a very complex process with many influencing factors, which mainly include three aspects: material (metallurgy), environment and fluid mechanics....
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IPC IPC(8): G01N3/56
CPCG01N3/567G01N2203/0048G01N2203/0274G01N2203/06
Inventor 彭浩平许守武苏旭平赵会军王建华刘亚
Owner CHANGZHOU UNIV