Experimental device and experimental method for comparison and monitoring of water-rock actions under intelligently-controlled temperature and pressure differences

An experimental device and differentiated technology, applied in the field of intelligent control temperature and pressure differential water-rock interaction monitoring experimental device, can solve problems such as the inability to simulate variable temperature and pressure environment

Active Publication Date: 2022-01-07
CHINA RAILWAY ERYUAN ENG GRP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to overcome the above-mentioned deficiencies in the prior art that cannot simulate the variable temperature and pressure environment, and provide an intelligent control temperature and pressure difference water-rock interaction contrast monitoring experimental device and its experimental method, which can simulate the variable temperature and pressure environment, adjust Positive and negative pressure, the study of water-rock interaction under complex coupling conditions on rocks

Method used

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  • Experimental device and experimental method for comparison and monitoring of water-rock actions under intelligently-controlled temperature and pressure differences
  • Experimental device and experimental method for comparison and monitoring of water-rock actions under intelligently-controlled temperature and pressure differences
  • Experimental device and experimental method for comparison and monitoring of water-rock actions under intelligently-controlled temperature and pressure differences

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Experimental program
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Embodiment 1

[0035] Please refer to figure 1 , the present invention provides an intelligent control temperature and pressure difference water-rock interaction contrast monitoring experimental device, the experimental device includes a temperature-pressure reactor, a negative pressure component and a monitoring component, and the temperature-pressure reactor includes a large reactor 4, a small reactor 22, Kettle cover 38, intake pipe, intake valve 1, pressure gauge 41, explosion-proof valve 40, heating unit 5, temperature control tachometer 18, temperature measuring sensor 39, magnetic power device 20, stirring magnet 21, fixture 2, kettle The handle 3 and the storage rack 6, the negative pressure assembly includes a negative pressure supply device 15, a liquid collection device 17, a multi-way joint 11, a negative pressure switch 14, a first liquid discharge valve 7, a second liquid discharge valve 8 and a liquid discharge valve 16 , the monitoring assembly includes a conduit 42 connectin...

Embodiment 2

[0041] Please refer to image 3 , the intelligent control temperature and pressure difference water-rock interaction contrast monitoring experimental device of this embodiment is roughly the same as that of Embodiment 1, the difference is that in this embodiment, four conduits 42 are branched out after passing through the multi-way joint 11, and two conduits 42 are connected Large reactor 4, two connected small reactors 22, remove the first joint 9, the second joint 10, the third joint 24, the fourth joint 25, the fifth joint 26 and the sixth joint 29, connect the large reactor 4 The conduit 42 and the conduit 42 connecting the small reactor 22 are complete without butt joints, and the sealing cover 23 has also been removed.

[0042] Please refer to Figure 4 , the negative pressure assembly of the present embodiment is roughly the same as that of Embodiment 1, except that the pipeline connecting the large reactor 4 and the small reactor 22, except the first pipeline 43 and t...

Embodiment 3

[0044] Please refer to Figure 5 , this embodiment provides an experimental method for an intelligently controlled temperature-pressure difference water-rock interaction contrast monitoring experimental device, using the intelligent control temperature-pressure difference water-rock interaction contrast monitoring experimental device of embodiment 1 or embodiment 2, specifically including The following steps:

[0045] S1, first close all the discharge valves, including the first discharge valve 7, the second discharge valve 8, the third discharge valve 27, the fourth discharge valve 28, the fifth discharge valve 36 and the sixth discharge valve Valve 37, and close negative pressure switch 14; When having four pipelines (first pipeline 43, second pipeline 44, third pipeline 45 and the fourth pipeline 46) situation of drawing negative pressure, close the first air release valve 12 and the second deflation valve 13; Open the still lid 38 of big reactor 4 and little reactor 22, p...

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Abstract

The invention discloses an experimental device and experimental method for comparison and monitoring of water-rock actions under intelligently-controlled temperature and pressure differences. The experimental device comprises a temperature and pressure reaction kettle, a negative pressure assembly and a monitoring assembly, wherein the temperature and pressure reaction kettle comprises a large reaction kettle, a small reaction kettle, a kettle cover, an air inlet pipe, a heating unit, a temperature control tachometer, a magnetomotive device, a stirring magneton and the like; the negative pressure assembly comprises a negative pressure providing device, a liquid collecting device, a multi-way connector, a negative pressure switch and the like; and the monitoring assembly comprises two guide pipes, a first hydraulic pump, a first pH meter, a first EC meter, a second hydraulic pump, a second pH meter, a second EC meter and the like. The experimental method comprises the following steps: providing a temperature and pressure environment through the temperature and pressure reaction kettle, extracting negative pressure through the negative pressure assembly, and carrying out monitoring through the monitoring assembly. The device can provide temperature and pressure environments for reaction materials, research the water-rock actions under various environments and conditions, and monitor the change characteristics of a solution in a variable-temperature variable-pressure complex chemical weathering process in real time.

Description

technical field [0001] The invention relates to the technical field of water-rock interaction, in particular to an intelligent control temperature and pressure difference water-rock interaction contrast monitoring experimental device and an experimental method thereof. Background technique [0002] In recent years, with the rapid development of my country's economy, engineering activities in deep underground spaces have gradually increased. Different from the simple surface geological environment, the rock mass is in a complex geological environment such as stress field-temperature field-chemical field, and is subject to high ground stress in deep underground, The combined effects of strong pore water pressure and chemically active fluids are different from the ion exchange and redox reactions of common aqueous solutions on the surface and rock masses. The water quality changes of groundwater solutions during deep groundwater runoff are more complex, and the water-rock reactio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09B23/40G01N33/00
CPCG09B23/40G01N33/00Y02E30/30
Inventor 张广泽王祥冯涛廖昕欧阳吉赵晓彦孟少伟张文达张云辉肖勇
Owner CHINA RAILWAY ERYUAN ENG GRP CO LTD
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