Jetting type liquid-solid double-phase scouring corrosion experiment apparatus

A technology for scouring corrosion and experimental equipment, which is used in measuring equipment, weather resistance/light resistance/corrosion resistance, instruments, etc., which can solve the problems of long experimental period and difficulty in adjusting the angle of attack, and achieve the effect of short experimental period and controllable flow rate.

Inactive Publication Date: 2009-03-11
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 jet-type liquid-solid two-phase flow erosion corrosion experimental device, which solves the problems of difficulty in adjusting the angle of attack, long experimental period and real-time measurement of electrochemical parameters in the prior art, and can control the flow rate and angle of attack. , medium temperature, can realize real-time electrochemical parameter measurement

Method used

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  • Jetting type liquid-solid double-phase scouring corrosion experiment apparatus
  • Jetting type liquid-solid double-phase scouring corrosion experiment apparatus

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Embodiment Construction

[0022] The structure and working process of the present invention will be described in further detail below in conjunction with the accompanying drawings.

[0023] Such as figure 1 As shown, the present invention consists of control cabinet 1, frequency converter 2, motor 3, cam pump 4, stirring, discharge pump 5, ball valve I6, ball valve II7, ball valve III8, injection chamber 9, thermocouple I10, thermocouple II11, electromagnetic Flow meter 12, lifting screw 13, angle of attack adjustment device 14, nozzle 15, reference electrode 16, auxiliary electrode 17, working electrode (sample) 18, acidity meter probe 19, overflow pipe 20, slurry tank 21, The cooling water pipe 22, the heater 23, the electrochemical workstation 24, the frame 25 and the panel are composed. The cam pump 4 driven by the motor 3 equipped with the frequency converter 2 is used as the jet pump, and the electromagnetic flowmeter 12 is arranged in the pipeline, and the electromagnetic flowmeter 12 displays ...

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Abstract

The invention relates to an erosion-corrosion device, in particular to a jet type liquid-solid dual-phase fluid erosion-corrosion experimental device which solves the problems in the prior art that the adjustment of an attack angle is relatively difficult and the experimental period is long as well as the problem of real-time measurement of electrochemical parameters and the like. The experimental apparatus is provided with an ejector pump, a nozzle, a nozzle chamber and an electrochemical test system, and adopts the cam pump of a motor drive provided with a transducer as the ejector pump, wherein, an attack angle adjustment device used for adjusting the attack angle of samples is arranged in the nozzle chamber, the pipeline where the nozzle locates is connected with a jet distance adjustment device. The device adopts the cam pump as the ejector pump to realize the smooth conveying of media containing bigger solid phase particles, utilizes the cam pump of the motor drive provided with the transducer to control the flow speed; and the nozzle chamber is provided with the samples which can control the attack angle and the jet distance, the samples can fulfill the electrochemical measurement. The device can control the flow speed, attack angle and the temperature of the media, and fulfill the electrochemical measurement.

Description

technical field [0001] The invention relates to an erosion corrosion device, in particular to a jet type liquid-solid two-phase flow erosion corrosion experiment device. Background technique [0002] In the prior art, rotary and tube-flow experimental devices are mostly used for erosion corrosion. The rotary device is based on the tangential force structure generated by the rotating sample on the sample holder and the stationary liquid, so that the liquid-solid two-phase wear and corrosion , but it is difficult to adjust the angle of attack; while the tube-flow device is based on the structure of flowing liquid / stationary pipeline, the control of the angle of attack cannot be solved, and the experiment cycle is long. From the perspective of erosion corrosion mechanism, the erosion corrosion rate varies with the angle of attack, which often reflects different erosion corrosion mechanisms (ductility or brittleness) of materials. Compared with gas / solid erosion, there is much ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/56G01N17/00
Inventor 姜胜利郑玉贵乔岩欣陈世铎姚治铭崔学顺
Owner INST OF METAL RESEARCH - CHINESE ACAD OF SCI
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