High-temperature high-pressure gas-liquid two-phase corrosion simulated experiment device and experimental method thereof

Abstract

The invention relates to a high-temperature high-pressure gas-liquid two-phase corrosion simulated experiment device and an experimental method thereof. The simulated experiment device comprises a heat preservation heating device (1), a high-temperature high-pressure reactor (2), a first temperature measuring resistance (4) in the high-temperature high-pressure reactor (2), an upper cover (3) of the high-temperature high-pressure reactor and an air inlet pipe (5), and is characterized also by comprising a condensing system, a liquid-phase corrosion testing system and a gas-phase condensed liquid corrosion testing system. Corrosion simulation study on the liquid-phase and gas-phase condensed liquid environments is carried out in the same device, thus solving the problem that the pipelines and equipment in industries are corroded by liquid-phase and gas-phase condensed liquids, but can not be measured on line at the same time, and having important significance on the corrosion behaviors of liquid-phase corrosion and gas-phase corrosion of the pipelines or the equipment, discipline, mechanization, and evaluation and research of corrosion inhibition efficiency of a gas (liquid) corrosion inhibitor.

Description

technical field [0001] The invention relates to a high-temperature and high-pressure gas-liquid two-phase corrosion simulation experiment device, in particular to a simulation experiment capable of simultaneously performing high-temperature and high-pressure liquid-phase corrosion and gas-phase condensate corrosion simulation experiments in an environment where liquid phase and gas-phase condensate coexist. device. [0002] For example, the liquid phase corrosion at the bottom of crude oil storage tanks and the gas phase condensate corrosion at the tank top, the liquid phase corrosion at the bottom of wet natural gas pipelines and the gas phase condensate corrosion at the top, etc., can also be used for gas phase (liquid phase) corrosion inhibitors on the top (bottom) of equipment ) corrosion inhibition efficiency evaluation. Background technique [0003] It is a common phenomenon in the industry that pipelines and equipment are in a gas-liquid coexistence environment. Ther...

AI Technical Summary

Problems solved by technology

[0007] Aiming at the above-mentioned technical problems existing in the prior art, the present invention provides a high-temperature and high-pressure gas-liquid two-phase corrosion simulation experiment device, in which the corrosion simulation research of liquid phase and gas phase condensate environment is carried out simultaneously in a set of devices, which can be used to simulate Corrosion behavior of any pipes and equipment with liquid phase corrosion and gas phase condensate corrosion at the same time solves the problem that pipelines and equipment in the industry are simultaneously corroded by liquid phase and gas phase condensate but cannot be measured simultaneously and online. The corrosion behavior, law and mechanism of liquid phase corrosion and gas phase condensate corrosion, and the evaluation of corrosion inhibition efficiency of gas (liquid) phase corrosion inhibitors are of great significance

Images