Experimental device for jet etching simulation and electrochemical test of high-temperature high-pressure loop

Abstract

The invention relates to an experimental device for the jet etching simulation and electrochemical test of a high-temperature high-pressure loop, which belongs to the field of electrochemistry and is particularly applied to the simulation of scouring corrosion conditions of complex parts such as elbows, T joints and the like in pipelines for collecting and delivering petroleum, natural gases and the like to perform high-temperature high-pressure multiphase fluid pipeline part scouring corrosion simulation experiments and perform high-temperature high-pressure fluid scouring corrosion in-situ electrochemical signal tests under scouring condition. The device consists of an autoclave, a heating and heat preservation system, a loop water inlet, a three-electrode system, pipeline connecting flanges, a circulation loop, a high-temperature high-pressure fluid flow meter, a control valve, a fluid outlet, a regenerating pump, a circulating cooling system, a temperature measurement system, a loop water outlet, a spray nozzle, a sample fixture, a control cabinet, a signal transduction path, an external electrochemical workstation and an external high pressure gas cylinder. The device can well simulate the scouring corrosion conditions of a fluid medium in a gas pipeline and test electrochemical signals such as polarization curves, AC impedance and the like of working electrodes under high speed jet condition, and is significant for researches on high-temperature high-pressure fluid scouring corrosion behaviors, rules and mechanisms.

Description

technical field [0001] The invention belongs to the field of electrochemistry, and relates to an experimental device for studying the erosion and corrosion behavior, law and mechanism of metal materials under high-temperature and high-pressure corrosion medium under the condition of high-speed spraying. It is suitable for the research on the erosion and corrosion behavior of complex components such as pipeline elbows and tees in high-temperature and high-pressure fluid media, especially for simulating the erosion and corrosion of complex components such as elbows and tees in oil and gas collection and transportation pipelines , to carry out the simulation experiment of erosion corrosion of pipeline components conveying high temperature and high pressure multiphase fluid, and to conduct the in situ electrochemical signal test of the erosion corrosion of high temperature and high pressure fluid under the condition of erosion. Background technique [0002] High-temperature and ...

AI Technical Summary

Problems solved by technology

Therefore, when studying the erosion corrosion mechanism under dynamic conditions, the in-depth research on the high temperature and high pressure erosion corrosion behavior, law and mechanism is affected due to the lack of high temperature and high pressure erosion corrosion experimental devices and devices for measuring high temperature and high pressure electrochemical signals.

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