Simulation platform and simulation method for leakage detection and treatment

Patent metadata

Field	Value
Publication number	US-11566960-B1
Application number	US-202217844217-A
Country	US
Kind code	B1
Filing date	Jun 20, 2022
Priority date	Feb 21, 2022
Publication date	Jan 31, 2023
Grant date	Jan 31, 2023

Abstract

Disclosed are a simulation platform and a simulation method for leakage detection and treatment. The simulation platform includes a water tank open at the top, which is a holding device; simulation sand, which is laid at the bottom of the water tank, and the upper area of the simulation sand is the experimental water filling area for filling simulation water; a leakage simulation device, which is buried in the simulation sand; a plurality of electrodes, which are distributed on the simulation sand for collecting and sending potential and current signals to a data processing terminal; a hydraulic brake, which is arranged in the experimental water filling area and used for stirring the simulation water; the hydraulic brake is not turned on in the static water environment simulation, and is turned on in the dynamic water environment simulation.

First claim

What is claimed is:

1. A simulation platform for leakage detection and treatment, comprising:
a water tank that is open at a top and is used as a holding device;
sand laid at a bottom of the water tank, wherein an area above the sand is water filling area for filling water;
a leakage simulation body buried in the sand, wherein the leakage simulation body is used as a conductive body to simulate leakage and is a conductive cement test block containing steel fibre or graphite;
a plurality of electrodes distributed in the sand for collecting and sending potential and current signals to a data processing terminal; wherein two ends of the electrodes are respectively a working end inserted into the sand to collect potential and current signals and a connection end to receive and send potential and current signals to the data processing terminal; wherein the working end is electrically connected with the connection end; and
a stirring device arranged in the water filling area to stir the water; wherein the stirring device is not turned on in a simulation of static water environment and is turned on in a simulation of dynamic water environment.

2. The simulation platform for leakage detection and treatment according to claim 1 , further comprising:
a solidified layer laid on a top surface layer of the sand, and a thickness of the solidified layer is 5-15 mm.

3. The simulation platform for leakage detection and treatment according to claim 1 , wherein the stirring device is made of an insulating material and comprises:
a fan blade located in the water filling area;
a connecting rod that passes through a side wall of the water tank and is connected with the fan blade in one end, and extends out of the side wall in another end; and
a handle connected with the connecting rod extending out of the side wall, wherein the handle rotates the connecting rod to drive the fan blade to rotate and stir the water in the water filling area in the water tank.

4. The simulation platform for leakage detection and treatment according to claim 1 , wherein the water tank comprises:
a fixed frame of for holding the water tank; and
a plurality of wooden boards fixed on the fixed frame and form a tank body of the water tank.

5. The simulation platform for leakage detection and treatment according to claim 1 , wherein the sand is formed to have a plane or a stepped surface.

6. A simulation method using the simulation platform for leakage detection and treatment according to claim 1 , comprising:
S 1 , laying sand in the water tank to simulate a bottom sediment topography, embedding the leakage simulation body that is a simulation of actual leakage in the sand, inserting the plurality of electrodes into the sand, and loading natural river water into the water filling area in the water tank;
S 2 , turning the stirring device on to simulate the dynamic water environment, or not turning the stirring device on to simulate the static water environment; and
S 3 , obtaining abnormal values at the leakage simulation body by collecting the potential and current signals in the sand using the electrodes, so as to realize the simulation of an actual leakage and a detection of a leakage point; laying a solidified layer on a top surface layer of the sand; when simulating an actual leakage treatment, taking an electrode installation position at the leakage point as a grouting position, taking out the electrode at the leakage point, and grouting the leakage point through an electrode insertion hole in the sand, so as to block the leakage point and simulate the actual leakage treatment.

7. The simulation method according to claim 6 , wherein a height of the sand at the bottom of the water tank is not less than 0.4 m, the sand is river sand, and the shape of the sand is formed to conform to the shape of the bottom sediment topography.

Assignees

• Univ Chengdu Technology

Inventors

• Wang Xiangpeng
• Wang Kunpeng
• Wang Xuben
• Hu Jin
• Tang Qiangqiang
• Chen Ning
• Li Lingze

Classifications

• G01M3/16 Primary

  using electric detection means ({G01M3/045,} G01M3/06, G01M3/12, G01M3/20, G01M3/24, G01M3/26 take precedence) · CPC title

• Y02E30/30

  Nuclear fission reactors · CPC title

• G01N15/08

  Investigating permeability, pore-volume, or surface area of porous materials · CPC title