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Rock diffusion coefficient measuring device and method

A technology of diffusion coefficient and measurement device, applied in measurement device, diffusion analysis, instrument and other directions, can solve the problems of not considering the pressure difference on both sides of the rock sample, poor reliability of measurement results, low test efficiency, etc., to shorten the sealing installation time, Simple structure and the effect of reducing production cost

Active Publication Date: 2019-01-01
NAT RESERACH CENT OF GEOANALYSIS
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] In view of the above analysis, the present invention aims to provide a rock diffusion coefficient measurement device and method to solve the problem that the existing rock diffusion coefficient measurement device and method do not consider the pressure difference on both sides of the rock sample, and the internal circulation is used to collect the pipeline solution to cause measurement. The problem of poor reliability of results and low test efficiency

Method used

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  • Rock diffusion coefficient measuring device and method
  • Rock diffusion coefficient measuring device and method

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Embodiment 1

[0043] A specific embodiment of the present invention, such as figure 1 As shown, a rock diffusion coefficient measurement device is disclosed, including a tracer solution pipeline 2, a blank solution pipeline 4, a peristaltic pump 3 and a pressure regulating device, wherein the peristaltic pump 3 is used to drive the tracer solution pipeline 2 and The solution flow in the blank solution pipeline 4, the pressure regulating device is used to regulate the pressure of the tracer solution pipeline 2 and the blank solution pipeline 4; the tracer solution pipeline 2 includes the tracer solution bottle 1 and the tracer solution bottle 1 The connected tracer solution chamber 6, the blank solution pipeline 4 includes a blank solution bottle 5 and a blank solution chamber 8 connected to the blank solution bottle 5, the tracer solution chamber 6 and the blank solution chamber 8 are connected to the rock sample packaging tube 7 and the The rock sample 12 is sealed and connected; the liqui...

Embodiment 2

[0055] This embodiment discloses a rock diffusion coefficient measurement method, specifically using the rock diffusion coefficient measurement device in Embodiment 1 for measurement, including the following steps:

[0056]Step 1: Preprocessing the collected rock samples to obtain the rock samples to be tested. The collected rock samples are cut into cylinders along the vertical bedding direction. Preferably, the rock samples have a diameter of 1-2 cm and a height of 1.5-2 cm. Put the cylindrical rock sample into a mold with an inner diameter of 2.5 cm, add liquid epoxy resin containing a curing agent into the annular space between the rock sample and the inner wall of the mold, and the liquid epoxy resin surrounds the rock sample and embeds it. The liquid epoxy resin can be cured at normal temperature, forming epoxy resin layer 13 on the outer periphery of the rock sample, and the epoxy resin layer 13 after curing is tightly and fixedly connected with the outer peripheral sur...

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Abstract

The invention relates to a rock diffusion coefficient measuring device and method, belongs to the technical field of rock experiment testing devices, and solves problems of a current rock diffusion coefficient that reliability of a measuring result is poor and testing efficiency is low. The measuring device comprises a tracing solution pipeline, a blank solution pipeline, a peristaltic pump and apressure adjusting device. The peristaltic pump is used for flowing solution in two pipelines. The pressure adjusting device is used for adjusting pressures in the two pipelines. The tracing solutionpipeline comprises a tracing solution bottle and a tracing solution chamber connected with the tracing solution bottle. The blank solution pipeline comprises a blank solution bottle and a blank solution chamber connected with the blank solution bottle. The tracing solution chamber and the blank solution chamber are in sealed connection with a rock sample to be measured through a rock sample packaging pipe. The liquid outlet of the tracing solution chamber is provided with a tracing liquid level monitoring pipe. The liquid outlet of the blank solution chamber is provided with a blank liquid level monitoring pipe. The provided measuring device and method are capable of realizing rapid and accurate measurement of the rock diffusion coefficient.

Description

technical field [0001] The invention relates to the technical field of rock experiment testing devices, in particular to a rock diffusion coefficient measuring device and method. Background technique [0002] The acquisition of the rock diffusion coefficient relies on the diffusion device to form a tracer element / compound concentration difference on the upper and lower surfaces of the rock, and relies on the concentration difference to drive the diffusion of the tracer substance in the high-concentration solution. By measuring the concentration change of the tracer substance, the concentration difference in the solution is calculated. The diffusion coefficient of tracer substances in rocks plays an important role in the study of the reaction of elements or compounds in liquid fluids with rock composition and the impact on rock itself during the diffusion process. [0003] In the existing rock diffusion coefficient testing device, the rock sample is sealed in the sample chamb...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N13/04
CPCG01N13/04G01N2013/003
Inventor 赵九江赵鸿T·艾尔
Owner NAT RESERACH CENT OF GEOANALYSIS
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