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Dynamic conductivity testing device for oil-water mixture and usage thereof

A technology of oil-water mixing and testing equipment, applied in the direction of fluid resistance measurement, etc., can solve the problems of inconsistent test conditions and actual working conditions, poor reproducibility of measurement results, etc., achieve stable test conditions, realize dynamic measurement, and avoid static stratification Effect

Inactive Publication Date: 2014-09-10
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention provides a dynamic conductivity test device of oil-water mixture and its use method to solve the above-mentioned problems existing in the prior art, and to overcome the liquid separation that occurs when the existing static conductivity test method tests the conductivity of the oil-water mixture. Layers, test conditions do not match the actual working conditions, poor reproducibility of measurement results, etc., to avoid the phenomenon of stratification of the oil-water mixture, making the test conditions closer to the actual working conditions

Method used

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  • Dynamic conductivity testing device for oil-water mixture and usage thereof
  • Dynamic conductivity testing device for oil-water mixture and usage thereof

Examples

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Embodiment 1

[0023] A device for testing the conductivity of a dynamic oil-water mixture, comprising a test section 1, a fluid controller 2, a circulation pump, a test liquid storage tank 4 and a test liquid circulation pump 3; one end of the test section 1 is connected to the fluid controller 2 , the other end is connected with the test liquid storage tank 4; the fluid controller 2 is connected with the test liquid storage tank 4 through the test liquid circulation pump 3; the top of the test liquid storage tank 4 is provided with a gas inlet 6 and a gas outlet 7; The bottom of the test liquid storage tank 4 is provided with a test liquid discharge port 9 and a test waste liquid discharge port 10; the inside of the test liquid storage tank 4 is provided with a stirrer 5 .

Embodiment 2

[0025] A device for testing the conductivity of a dynamic oil-water mixture, which is similar to Example 1, except that the test section 1 adopts a horizontal pipeline 13, which includes two vertically oppositely placed measuring electrodes 11, and the two measuring electrodes 11 and It is connected with the adjustment nut and the adjustment screw 15, and the distance between the two measuring electrodes 11 can be adjusted through the adjustment screw.

Embodiment 3

[0027] A testing device for the conductivity of a dynamic oil-water mixture is similar to Embodiment 2, the difference is that a test section support mechanism 12 is provided outside the horizontal pipeline 13, and the test section 1 can be adjusted to keep it horizontal.

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Abstract

The invention relates to a dynamic conductivity testing device for oil-water mixture and usage thereof. The device comprises a test section, a fluid controller, a circulating pump, a test liquid storage tank and a test liquid circulating pump, wherein one end of the test section is connected with the fluid controller while the other end is connected with the test liquid storage tank, the fluid controller is connected with the test liquid storage tank through the test liquid circulating pump, the top of the test liquid storage tank is provide with an air inlet and an air outlet, the bottom of the test liquid storage tank is provided with a test liquid outlet and a waste test liquid outlet and a stirrer is arranged inside the test liquid storage tank. The device overcomes the problems that when an existing static conductivity testing method is applied to testing the conductivity of the oil-water mixture, the liquid is layering, test conditions are greatly different from actual working conditions, reproducibility of measuring results is poor and the like; the oil-water mixture is prevented from being layering in standing, and the test conditions are closer to the actual working conditions; the dynamic conductivity testing device has the advantages of stable test conditions which are also closer to the actual working conditions, and being capable of achieving a dynamic test on conductivity of the oil-water mixture.

Description

technical field [0001] The invention belongs to the technical field of conductivity testing, and relates to a conductivity testing device for simulating the transportation state of oil-water mixtures in pipelines, in particular to a method for evaluating the corrosion of oil-water mixtures on pipelines by measuring the conductivity of oil-water mixtures in a flowing state Corrosivity, a dynamic oil-water mixture conductivity test device and its application method that provide reference for corrosion protection of pipeline transportation. Background technique [0002] When the oil-water mixture is transported in the pipeline, when the water content is very low, the water is in an emulsified state in the oil-water mixture, and it is difficult to form a continuous water phase. The corrosion of the pipeline caused by the oil-water mixture is slight; when the water content reaches a certain After the numerical value, a continuous water phase will appear in the oil-water mixture, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R27/22
Inventor 黄贤滨刘小辉谢守明叶成龙
Owner CHINA PETROLEUM & CHEM CORP
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