High temperature and high pressure gas, liquid and solid phase erosion corrosion test device and method

Abstract

The invention discloses a high temperature and high pressure gas, liquid and solid phase erosion corrosion test device and method. The test device comprises a high temperature and high pressure test box connected to a circulation test loop, the circulation loop is provided with a circulation pump, a cover of the high temperature and high pressure test box is provided with an electromagnetic stirring device, a temperature sensing probe and a pressure sensor, and the electromagnetic stirring device, the temperature sensing probe and the pressure sensor are connected with a control system; the circulation test loop is provided with a corrosion test unit and an electrochemical test unit; and the circulation test loop is provided with a transparent window for observing the flow state of a fluidin the pipe. The beneficial effects are that the device can simulate the on-site working condition environment, simulate the corrosion of a metal material in the pipeline and simulate the gas, liquidand solid phase erosion and corrosion test, carry out electrochemical tests, corrosion inhibitor evaluation, rubber and plastic related corrosion tests and other corrosion tests, and can also carry out whole-pipe on-line corrosion tests on metal materials and non-metal materials.

Description

technical field [0001] The invention belongs to the field of corrosion, and in particular relates to a high-temperature, high-pressure gas, liquid, and solid three-phase erosion corrosion test device and method, which can simulate the erosion and corrosion of pipelines by fluid transported under the environmental conditions of oil and gas fields, and can be used to study gas, liquid, and solid three-phase erosion corrosion test devices and methods. Erosion corrosion and electrochemical corrosion under liquid and solid three-phase fluid flow conditions can be used to test corrosion inhibitor performance, coating performance, corrosion resistance of metal and non-metal materials, etc., can observe fluid flow state, and can conduct material tests and Piping tests are available. Background technique [0002] Erosion corrosion is a metal damage phenomenon caused by relative movement between the metal surface and the corrosive fluid. localized corrosion. Erosion corrosion is a v...

AI Technical Summary

Problems solved by technology

The current indoor erosion and corrosion test equipment can only simulate gas-liquid two-phase, gas-solid two-phase or liquid-solid two-phase erosion, and there are very few reports on gas, liquid, and solid three-phase erosion and cor

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