Pipe flow type inner wall erosion corrosion test device

A technology for scouring corrosion and testing devices, used in measuring devices, weather resistance/light resistance/corrosion resistance, instruments, etc., can solve the problem of high construction cost, improve the uniformity of the medium, improve the stirring efficiency, and facilitate the discharge and cleaning. Effect

Inactive Publication Date: 2013-10-02
INST OF METAL RESEARCH - CHINESE ACAD OF SCI
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Problems solved by technology

[0003] The purpose of the present invention is to provide a pipe-flow type inner wall erosion corrosion test device, which can be used as a small test device for simulating pipeline inner wall erosion corrosion, and is used to evaluat

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  • Pipe flow type inner wall erosion corrosion test device
  • Pipe flow type inner wall erosion corrosion test device
  • Pipe flow type inner wall erosion corrosion test device

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Embodiment Construction

[0027] The structure and working process of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0028] Such as figure 1 As shown, the pipe flow type inner wall erosion corrosion test device of the present invention mainly includes: control cabinet 1, frequency converter 2, power pump 3, discharge pipe I4, stirring pump 5, ball valve I6, ball valve II7, cooler 8, electromagnetic flow Gauge 9, auxiliary electrode 10, special fixture 11, sample to be tested 12, reference electrode 13, ball valve III14, discharge pipe II 15, thermocouple 16, slurry tank 17, heater 18, electrochemical workstation 19, control The specific structure is as follows:

[0029] The slurry tank 17 is respectively connected to the power pump 3 and the stirring pump 5 through pipelines. The input end of the power pump 3 is directly connected to the slurry tank 17 through pipelines, and the output end of the power pump 3 is connected to the slurry tank 1...

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Abstract

The invention relates to the field of erosion corrosion tests, and particularly relates to a pipe flow type inner wall erosion corrosion test device which can be used for simulating the tangential force structure flow pattern on the pipeline surface at different flow speeds in pipe flow in an inner wall erosion corrosion test and used for realizing weight loss measurement of a material, real-time measurement of electrochemical parameters and the like. The pipe flow type inner wall erosion corrosion test device is composed of a power pump, a frequency converter, an electromagnetic flowmeter, a special clamp, a stirring pump, a cooler, a heater, a thermocouple, a slurry tank and the like; and the key lies in that tubular samples with different diameters can be adopted and are connected with a pipeline system by the special clamp, and the tubular samples are used as working electrodes which cooperate with reference and auxiliary electrode experimental tubular samples to realize real-time measurement of the electrochemical parameters. The device provided by the invention can be used as a small test device for simulating the inner wall erosion corrosion of a pipeline, and is used for evaluating the erosion corrosion resistance of a real pipe, and solves the problem of high construction cost of a traditional pipe flow type erosion corrosion test device.

Description

Technical field [0001] The invention relates to the field of erosion corrosion test, in particular to a pipe flow type inner wall erosion corrosion test device. Background technique [0002] In the prior art, scouring and corrosion mostly use rotating, tube-flow, and jet experimental devices. The rotating device generates tangential force based on the sample rotating on the sample holder and the stationary liquid, thereby causing corrosion and wear. However, most of the pie-shaped or cylindrical samples used in the rotary type can not well simulate the erosion and corrosion behavior of the fluid along the axial direction of the pipe inner wall; the spray type experimental device is based on the circulating pump and the nozzle to generate high-speed flowing medium to perform the sample The structure of the impact can accurately control the flow rate of the impact liquid flow and change the angle of attack of the scouring, but it cannot simulate the actual working conditions very w...

Claims

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Application Information

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IPC IPC(8): G01N17/02
Inventor 姜胜利段德莉牛聪蒋斌胡怀志马爱利宋亓宁
Owner INST OF METAL RESEARCH - CHINESE ACAD OF SCI
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