Sealed organic glass sand column for industrial CT (Computed Tomography) scanning

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By designing a sealed acrylic sand column and utilizing anti-disturbance components and control valves, the problem of medium disturbance in traditional sand column experiments was solved, enabling stable movement of the medium structure and CT scanning, thus ensuring the accuracy of experimental data.

CN224247635UActive Publication Date: 2026-05-15ANHUI & HUAI RIVER WATER RESOURCES RES INST

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Patent Information

Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner: ANHUI & HUAI RIVER WATER RESOURCES RES INST
Filing Date: 2025-07-24
Publication Date: 2026-05-15

AI Technical Summary

Technical Problem

Traditional sand column experiments are prone to disturbing the medium structure during sampling, which can disrupt the pore distribution and affect the accuracy of experimental data.

Method used

It adopts a sealed acrylic sand column, and prevents the medium from being disturbed during movement through the design of anti-disturbance components and control valves. It uses perforated acrylic plates and sand-blocking nets to maintain a stable pore distribution. Combined with inlet, overflow and outlet pipes to control the flow rate, it can achieve undisturbed movement and CT scanning.

Benefits of technology

The movement and CT scanning of the sand column were achieved without damaging the medium structure, ensuring the accuracy and reliability of the experimental data and avoiding disturbance and damage to the pore distribution.

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Abstract

The utility model discloses a sealed organic glass sand column for industrial CT (Computed Tomography) scanning, which comprises an organic glass sand column filled with a medium filled with an auxiliary medium; the mounting seat is arranged at the top of the organic glass sand column; the mounting piece is arranged on the mounting seat; the anti-disturbance part is arranged on the mounting part, and the mounting seat and the mounting part are used for mounting the anti-disturbance part on the top of the organic glass sand column and preventing disturbance of a medium and an auxiliary medium in the organic glass sand column; the water inlet pipe is arranged at the top of the anti-disturbance part and is used for injecting liquid into the organic glass sand column; the overflow pipe is arranged close to the upper end part of the organic glass sand column and is used for discharging the organic glass sand column; the discharge pipe is arranged at the bottom of the organic glass sand column, and control valves are arranged in the water inlet pipe, the overflow pipe and the discharge pipe. According to the utility model, the organic glass sand column is moved under the condition of not disturbing a medium structure, and the pore distribution state is prevented from being damaged.

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Description

Technical Field

[0001] This utility model relates to the field of nondestructive testing technology, and in particular to a sealed acrylic sand column for industrial CT scanning. Background Technology

[0002] Groundwater recharge is a key technical means to alleviate regional water level decline, land subsidence and ecological environment deterioration caused by groundwater over-extraction. By recharging surface water into aquifers, the balance of groundwater resources can be effectively restored and water resources can be recycled.

[0003] Current research on groundwater recharge blockage mainly relies on indoor sand column physical simulation experiments to analyze blockage characteristics. Some studies attempt to combine sand column experiments with CT scans. However, traditional sand column experiments require pausing recharge and taking samples in stages during the experiment. This not only prolongs the experimental cycle but also disturbs the medium during sampling, disrupting the pore distribution and causing experimental data distortion. It is difficult to preserve the in-situ state of the blockage medium. Utility Model Content

[0004] The purpose of this invention is to address the aforementioned shortcomings by providing a sealed acrylic sand column for industrial CT scanning, enabling the movement of the acrylic sand column without disturbing the medium structure and preventing disruption of the pore distribution.

[0005] To solve the above-mentioned technical problems, this utility model adopts the following technical solution: a sealed organic glass sand column for industrial CT scanning, comprising:

[0006] Acrylic glass sand column, the interior is filled with a medium, and the medium is filled with an auxiliary medium;

[0007] Mounting base, located on top of the acrylic sand column;

[0008] Mounting components are installed on the mounting base;

[0009] An anti-disturbance component is provided on the mounting component. The mounting base and the mounting component are used to install the anti-disturbance component on the top of the acrylic sand column to prevent disturbance of the medium and auxiliary medium inside the acrylic sand column.

[0010] The inlet pipe, located at the top of the anti-disturbance component, is used to inject liquid into the acrylic glass sand column;

[0011] An overflow pipe is installed near the upper end of the acrylic glass sand column to allow the acrylic glass sand column to drain.

[0012] The discharge pipe is located at the bottom of the plexiglass sand column, and control valves are installed in the inlet pipe, overflow pipe and discharge pipe;

[0013] A perforated acrylic sheet is placed inside an acrylic sand column and positioned above the discharge pipe.

[0014] A sand-blocking net is installed inside an acrylic sand column and located on top of a perforated acrylic sheet. The perforated acrylic sheet and the sand-blocking net are used to prevent the medium from being discharged from the discharge pipe.

[0015] Furthermore, the mounting component includes a connector disposed at the top of the plexiglass sand column and a sealing gasket disposed between the connector and the mounting base;

[0016] It also includes screws used to connect the mounting base and the connector.

[0017] Furthermore, the connector includes a mounting cylinder disposed on the top of the plexiglass sand column and a flange disposed on the mounting cylinder.

[0018] Furthermore, the anti-disturbance component includes a movable cylinder disposed inside the mounting cylinder and a plurality of lugs disposed on the movable cylinder;

[0019] It also includes a fixing block disposed on the outer wall of the mounting cylinder and corresponding one-to-one with multiple lugs;

[0020] It also includes a stud that is rotatably disposed within the fixed block and threadedly connected to the lug, the stud being used to drive the movable cylinder to rise and fall within the mounting component.

[0021] Furthermore, the anti-disturbance component also includes a fluid guide disposed at the bottom of the movable cylinder.

[0022] Furthermore, the anti-disturbance component also includes a sand-blocking and pressure-reducing net disposed below the fluid guide and fixedly connected to the bottom of the movable cylinder.

[0023] The beneficial effects of this utility model are reflected in:

[0024] This invention involves filling a medium and an auxiliary medium within an acrylic sand column using a perforated acrylic plate and a sand-blocking mesh. An anti-disturbance component is then mounted on a mounting base via an installation component. The anti-disturbance component and an inlet pipe are installed on the acrylic sand column. Liquid is then injected into the acrylic sand column through the inlet pipe. A guide fluid prevents the liquid from directly impacting the auxiliary medium, avoiding disturbance to the medium. The liquid is filtered through the auxiliary and auxiliary media, and diverted through an overflow hole. Control valves on the inlet, overflow, and outlet pipes close the flow. A stud drives a lug and a movable cylinder to move on the installation component. The sand-blocking mesh at the bottom of the movable cylinder applies appropriate pressure to the auxiliary medium. This prevents disturbance to the medium and auxiliary medium during the movement of the acrylic sand column, allowing it to move without disrupting the medium's structure. This prevents damage to the pore distribution and avoids impact on the medium when water is injected. Attached Figure Description

[0025] Figure 1 This is a perspective view of the present invention;

[0026] Figure 2 This is a three-dimensional structural cross-sectional view of the present invention;

[0027] Figure 3 This is a perspective view of the mounting component of this utility model;

[0028] Figure 4 This is a perspective view of the anti-disturbance component of this utility model.

[0029] In the picture:

[0030] 1. Acrylic glass sand column;

[0031] 2. Mounting bracket;

[0032] 3. Mounting components; 31. Connecting components; 32. Sealing gaskets; 33. Screws;

[0033] 4. Anti-disturbance components; 41. Movable cylinder; 42. Lug; 43. Stud; 44. Fixing block; 45. Fluid guide; 46. Sand trapping mesh;

[0034] 5. Water inlet pipe;

[0035] 6. Overflow pipe;

[0036] 7. Discharge pipe;

[0037] 8. Perforated acrylic sheet;

[0038] 9. Sand-retaining netting;

[0039] 10. Medium;

[0040] 11. Auxiliary media. Detailed Implementation

[0041] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only a part of the embodiments of the present utility model, and not all of them. Unless otherwise specified, the embodiments and features in the embodiments of this application can be combined with each other. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present utility model.

[0042] Please see Figure 1-4 This utility model discloses a sealed acrylic sand column for industrial CT scanning, comprising:

[0043] An acrylic sand column 1 is filled with a medium 10 inside, and an auxiliary medium 11 is filled on the medium 10. The acrylic sand column 1 is used to carry out groundwater recharge tests. The medium 10 and the auxiliary medium 11 are used to filter the recharge water.

[0044] Mounting base 2 is set on the top of the plexiglass sand column 1, and the mounting base 2 has a through hole adapted to the screw 33;

[0045] Mounting component 3 is mounted on mounting base 2;

[0046] The anti-disturbance component 4 is slidably mounted on the mounting component 3. The mounting base 2 and the mounting component 3 are used to install the anti-disturbance component 4 on the top of the acrylic sand column 1 to prevent the medium 10 and auxiliary medium 11 inside the acrylic sand column 1 from being disturbed, to prevent impact on the auxiliary medium 11, and to prevent the medium 10 and auxiliary medium 11 from being disturbed when the acrylic sand column 1 is moved.

[0047] The water inlet pipe 5 is located on top of the anti-disturbance component 4 and is used to inject liquid into the plexiglass sand column 1. The control valve at the water inlet pipe 5 is opened to allow water to be reinjected.

[0048] Overflow pipe 6 is installed near the upper end of acrylic glass sand column 1 to drain the acrylic glass sand column 1. Open the control valve of overflow pipe 6 to discharge excess recharge water and achieve constant head recharge.

[0049] The discharge pipe 7 is located at the bottom of the plexiglass sand column 1. The inlet pipe 5, overflow pipe 6 and discharge pipe 7 are all equipped with control valves. The control valves can be adjusted. When the control valve at the discharge pipe 7 is opened, the reinjected water passes through the entire medium body, and the experiment is carried out. After the reinjection test is completed, the control valves at the inlet pipe 5, overflow pipe 6 and discharge pipe 7 can be closed, and the anti-disturbance component 4 can apply appropriate pressure to the auxiliary medium 11. The entire equipment can then be moved into the cavity of the industrial CT scanning equipment to carry out CT scanning imaging.

[0050] A perforated plexiglass plate 8 is placed inside the plexiglass sand column 1 and located above the discharge pipe 7 to support the sand-blocking net 9. The perforated plexiglass plate 8 and the sand-blocking net 9 support the medium 10. The area below the perforated plexiglass plate 8 inside the plexiglass sand column 1 is an outflow buffer zone to prevent the medium 10 from entering the outflow buffer zone. The perforated plexiglass plate 8, in conjunction with the sand-blocking net 9, partially separates the medium 10 from the medium 10.

[0051] The sand-blocking net 9 is installed inside the plexiglass sand column 1 and is located on top of the perforated plexiglass plate 8. The perforated plexiglass plate 8 and the sand-blocking net 9 are used to prevent the medium from being discharged from the discharge pipe 7.

[0052] In use, the perforated plexiglass plate 8 and the sand-blocking net 9 are sequentially filled with medium 10 and auxiliary medium 11. The anti-disturbance component 4 and the water inlet pipe 5 are installed on the plexiglass sand column 1 through the mounting component 3 and the mounting base 2. The anti-disturbance component 4 prevents the water inlet pipe 5 from impacting the auxiliary medium 11. The anti-disturbance component 4 is adjusted on the mounting component 3. The auxiliary medium 11 is appropriately compressed by the anti-disturbance component 4 to prevent the medium 10 and auxiliary medium 11 from being disturbed when the plexiglass sand column 1 is moved. The control valves on the water inlet pipe 5, the overflow pipe 6 and the discharge pipe 7 are adjusted to control the water inlet flow of the water inlet pipe 5 and the flow rate of the overflow pipe 6 and the discharge pipe 7. The control valve at the discharge pipe 7 is opened, and the reinjected water passes through the entire medium body to carry out the experiment. After the reinjection test is completed, the control valves at the water inlet pipe 5, the overflow pipe 6 and the discharge pipe 7 can be closed, and the anti-disturbance component 4 can apply appropriate pressure to the auxiliary medium 11. The entire equipment is then moved into the cavity of the industrial CT scanning equipment to carry out CT scanning imaging.

[0053] In a specific embodiment, the mounting component 3 includes a connector 31 disposed on the top of the plexiglass sand column 1 and a sealing gasket 32 disposed between the connector 31 and the mounting base 2. The sealing gasket 32 is used to seal the mounting base 2 and the flange.

[0054] It also includes a screw 33 for connecting the mounting base 2 and the connector 31, with a nut installed on the screw 33 for installing and tightening the mounting base 2 and the connector 31.

[0055] In one embodiment, the connector 31 includes a mounting cylinder disposed on the top of the plexiglass sand column 1 and a flange disposed on the mounting cylinder, the mounting cylinder being used to slide the movable cylinder 41.

[0056] In a specific embodiment, the anti-disturbance component 4 includes a movable cylinder 41 disposed inside the mounting cylinder and a plurality of lugs 42 disposed on the movable cylinder 41. The top of the movable cylinder 41 is installed with the water inlet pipe 5 by a flange and bolts.

[0057] It also includes a fixing block 44 disposed on the outer wall of the mounting cylinder and corresponding one-to-one with multiple lugs 42. The fixing block 44 is welded to the mounting cylinder. A roller connected to a stud 43 is disposed inside the fixing block 44 so that the stud 43 can rotate on the fixing block 44.

[0058] It also includes a stud 43 that is rotatably disposed in the fixed block 44 and threadedly connected to the ear block 42. The stud 43 is used to drive the movable cylinder 41 to rise and fall within the mounting component 3. The stud 43 rotates within the fixed block 44. The ear block 42 drives the movable cylinder 41 to move downward by the rotation of the stud 43 within the fixed block 44.

[0059] In one embodiment, the anti-disturbance component 4 further includes a guide fluid 45 disposed at the bottom of the movable cylinder 41. The guide fluid 45 is conical and is used to guide the water injected into the water inlet pipe 5 to avoid impacting the auxiliary medium 11.

[0060] In a specific embodiment, the anti-disturbance component 4 also includes a sand-blocking and pressure-pressing net 46 disposed below the guide fluid 45 and fixedly connected to the bottom of the movable cylinder 41. During the downward movement of the movable cylinder 41, the sand-blocking and pressure-pressing net 46 is driven to apply appropriate pressure to the auxiliary medium 11, so as to prevent the internal medium 10 and auxiliary medium 11 from being disturbed when the organic glass sand column 1 is moved, thereby avoiding disturbance of the medium and auxiliary medium 11 and preventing damage to the pore distribution state.

[0061] It should be noted that if the embodiments of this utility model involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicators will also change accordingly.

[0062] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of indicated technical features. Therefore, features defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. If the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0063] Additionally, "multiple" refers to two or more.

[0064] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A sealed acrylic sand column for industrial CT scanning, characterized in that, include: An organic glass sand column (1) is filled with a medium (10) inside, and an auxiliary medium (11) is filled on the medium (10). Mounting base (2) is set on top of plexiglass sand column (1); Mounting component (3) is mounted on mounting base (2); An anti-disturbance component (4) is provided on the mounting component (3). The mounting base (2) and the mounting component (3) are used to install the anti-disturbance component (4) on the top of the plexiglass sand column (1) to prevent the medium (10) and auxiliary medium (11) inside the plexiglass sand column (1) from being disturbed. The water inlet pipe (5) is located on top of the anti-disturbance component (4) and is used to inject liquid into the plexiglass sand column (1); An overflow pipe (6) is installed near the upper end of the plexiglass sand column (1) to allow the plexiglass sand column (1) to drain. The discharge pipe (7) is located at the bottom of the organic glass sand column (1), and the inlet pipe (5), overflow pipe (6) and discharge pipe (7) are all equipped with control valves; An open-pore plexiglass plate (8) is placed inside the plexiglass sand column (1) and located above the discharge pipe (7); A sand-blocking net (9) is installed inside the plexiglass sand column (1) and located on top of the perforated plexiglass plate (8). The perforated plexiglass plate (8) and the sand-blocking net (9) are used to prevent the medium from being discharged from the discharge pipe (7).

2. The sealed acrylic sand column for industrial CT scanning according to claim 1, characterized in that: The mounting component (3) includes a connector (31) disposed on the top of the plexiglass sand column (1) and a sealing gasket (32) disposed between the connector (31) and the mounting base (2); It also includes a screw (33) for connecting the mounting base (2) and the connector (31).

3. The sealed acrylic sand column for industrial CT scanning according to claim 2, characterized in that: The connector (31) includes a mounting cylinder disposed on the top of the plexiglass sand column (1) and a flange disposed on the mounting cylinder.

4. The sealed acrylic sand column for industrial CT scanning according to claim 1, characterized in that: The anti-disturbance component (4) includes a movable cylinder (41) disposed inside the mounting cylinder and a plurality of lugs (42) disposed on the movable cylinder (41). It also includes a fixing block (44) disposed on the outer wall of the mounting cylinder and corresponding one-to-one with multiple lugs (42); It also includes a stud (43) that is rotatably disposed in the fixed block (44) and threadedly connected to the ear block (42), the stud (43) being used to drive the movable cylinder (41) to rise and fall within the mounting component (3).

5. The sealed acrylic sand column for industrial CT scanning according to claim 4, characterized in that: The anti-disturbance component (4) also includes a guide fluid (45) disposed at the bottom of the movable cylinder (41).

6. The sealed acrylic sand column for industrial CT scanning according to claim 5, characterized in that: The anti-disturbance component (4) also includes a sand-blocking net (46) disposed below the guide fluid (45) and fixedly connected to the bottom of the movable cylinder (41).