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Brine Concentration Stratification Measuring Device

A measuring device and technology for brine concentration, which are applied in the field of salt mine water-soluble mining and salt rock storage cavity construction, can solve the problems of simultaneous measurement of heterogeneous liquids, etc., and achieve the effects of convenient material acquisition, low construction cost and small sampling amount

Active Publication Date: 2018-04-10
INST OF ROCK & SOIL MECHANICS CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there is no device method that can simultaneously measure the density distribution of different positions of heterogeneous liquids.

Method used

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  • Brine Concentration Stratification Measuring Device
  • Brine Concentration Stratification Measuring Device
  • Brine Concentration Stratification Measuring Device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] A device for measuring the stratification characteristics of brine concentration, which consists of a vacuum negative pressure pump 1 (for example: kvp-12V vacuum pump), an air chamber 2 (for example: cylindrical shape, length 300mm, inner diameter 100mm and outer diameter 110mm), pressure relief valve (Example: AO Smith pressure relief valve) 3. T-shaped adapter tube 4. Liquid tube set to be tested 5 (for example: 3 transparent glass tubes, the lengths are 50cm, 40cm, and 30cm, the inner diameter is 1mm, and the outer diameter is 2mm, all marked with the smallest millimeter scale glass tube), standard liquid tube 6 (for example, the length is 50cm, the inner diameter is 1mm, the outer diameter is 2mm, and the glass tube marked with the smallest millimeter scale) is composed. It is characterized in that: the vacuum negative pressure pump 1 is connected with the air chamber 2, and the vacuum negative pressure pump 1 can form a stable negative pressure in the air chamber 2...

Embodiment 2

[0047] The liquid tube group 5 to be tested consists of ten transparent glass tubes, the lengths of which are 32cm, 34cm, 36cm, 38cm, 40cm, 42cm, 44cm, 46cm, 48cm, and 50cm. The liquid tube group 5 (ten transparent tubes) to be tested is inserted side by side into the T-shaped adapter tube 4 respectively, and the interface is sealed with an epoxy resin-based cement. The depths inserted into the salt cavity to be tested are respectively 0cm, 2cm, 4cm, 6cm, 8cm, 10cm, 12cm, 14cm, 16cm, 18cm, and other structures and connections are the same as in Example 1, and the obtained data are as follows:

[0048]

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Abstract

The invention discloses a salt water concentration stratification characteristic measuring device. A vacuum negative pressure pump is connected with an air chamber, and the vacuum negative pressure pump can form a stable negative pressure in the air chamber through vacuum suction; a pressure relief valve is arranged on the wall of the air chamber Open the pressure relief valve to release the negative pressure in the air chamber; the air chamber is connected to the T-shaped adapter pipe, and the interface between the air chamber and the T-shaped adapter pipe is sealed with epoxy resin cement; the liquid pipe group to be tested is connected to the T-shaped adapter pipe. T-shaped transfer tube connected, the liquid tube group to be tested and the T-shaped transfer tube interface are sealed with epoxy resin cement; the standard liquid tube is a transparent tube marked with a scale, the standard liquid tube is connected with the T-shaped The outside of the interface with the T-shaped adapter pipe is sealed with an epoxy resin-based adhesive. The structure is simple and easy to use. It can measure the concentration characteristics of multi-layer brine at the same time in the process of salt rock water solution cavity building. It uses the principle of pressure balance, which is convenient to obtain materials, low in cost, simple in operation, high in precision, and can be recycled.

Description

technical field [0001] The present invention relates to the fields of water-soluble mining of salt mines and cavity-building of salt-rock storage, and more specifically relates to a device for measuring the layered characteristics of brine concentration. Experiments that measure the characteristics of the vertical distribution of concentrations in heterogeneous liquids. Background technique [0002] At present, the application of salt rock caverns for energy underground storage is increasing day by day. It is necessary to control the shape of salt caverns in salt mine water solution mining and salt rock storage cavern building. Salt rock cavern building is a dynamic fluid-solid coupling process. Concentration increases, which in turn affects the speed of water-soluble salt. The usual salt dissolution process occurs at a depth of hundreds of meters or even thousands of meters underground. It is inconvenient to directly observe and measure salt dissolution. Therefore, it is n...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N9/36
Inventor 李金龙施锡林石晖马洪岭杨春和李银平孔庆聪胡晓明杨博进徐峰马旭强左江江
Owner INST OF ROCK & SOIL MECHANICS CHINESE ACAD OF SCI
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