Deep underground space in-situ object storage test platform fused with multi-source measurement and control technology

Abstract

The invention discloses a deep underground space in-situ storage test platform fused with a multi-source measurement and control technology, and relates to the technical field of deep ground science and engineering, the deep underground space in-situ storage test platform comprises a mine wall body, and the underground space of the mine wall body is excavated to form a cavern; a sensing optical fiber is arranged on the surrounding rock wall surface of the cavern and is used for monitoring the pressure and temperature change of the surrounding rock in the storage process; a monitoring hole is formed in the outer side of the periphery of the cavern, a high-density electrical method monitoring assembly is arranged in the monitoring hole, a sealing plate is arranged on an opening of the cavern, a regulation and control module is arranged on one side of the sealing plate, a monitoring module is arranged on one side of the regulation and control module, an oil guide port and a water guide port are formed in the sealing plate, and a liquid level meter is fixedly connected to one side of the sealing plate. The high-density electrical method monitoring assembly is combined with the monitoring module and the regulation and control module, real-time monitoring and regulation and control are conducted on surrounding rock and the environment in the deep underground space storage process, the long-term action mechanism of surrounding rock underground space storage is obtained, and the safety and stability of the storage environment are ensured.

Description

Technical Field

[0001] The present invention relates to the technical field of deep earth science and engineering, and specifically to an in-situ material storage test platform for deep underground space that integrates multi-source measurement and control technologies. Background Art

[0002] Currently, the technology of storing materials in deep underground space faces the following technical problems: The behavior of surrounding rock transformation is complex: During the material storage process, the physical and chemical properties of the surrounding rock will change, leading to a decrease in the stability of the surrounding rock and making it difficult to maintain the safety of the material storage environment for a long time; The monitoring means are insufficient: The existing monitoring technologies cannot achieve real-time monitoring of key parameters such as the pressure, temperature, and humidity of the surrounding rock, and it is difficult to accurately evaluate the transformation behavior of the surrounding rock; The control means are lacking: During the material storage process, there is a lack of effective control means to maintain the pressure, temperature, and humidity in the chamber, resulting in an unstable material storage environment and prone to causing safety accidents.

[0003] To solve the above problems, there is an urgent need for an in-situ material storage test platform for deep underground space that can integrate multi-source measurement and control technologies to achieve real-time monitoring and control of the surrounding rock and environment during the material storage process, and ensure the safety and stability of the material storage environment. Summary of the Invention

[0004] In order to overcome the deficiencies of the prior art, the purpose of the present invention is to provide an in-situ material storage test platform for deep underground space that integrates multi-source measurement and control technologies. By integrating multi-source measurement and control technologies, it realizes real-time monitoring and control of the surrounding rock and environment during the material storage process in deep underground space, so as to solve the problems of difficult monitoring and control in the prior art.

[0005] To achieve the above purpose, the present invention provides the following technical solutions: An in-situ material storage test platform for deep underground space that integrates multi-source measurement and control technologies, including a mine wall, and further includes: A chamber is excavated in the underground space of the mine wall; Distributed sensing optical fibers are arranged on the wall surface of the chamber surrounding rock for real-time monitoring of the pressure and temperature changes of the surrounding rock during the material storage process; Monitoring holes are opened on the outer side around the chamber, and high-density electrical method monitoring components are arranged in the monitoring holes for long-term monitoring of the transformation and change conditions of the surrounding rock during the material storage process. A sealing plate is arranged on the entrance of the chamber, a sampling head is arranged on the sealing plate, a control module is arranged on one side of the sealing plate, a monitoring module is arranged on one side of the control module, an oil guide port and a water guide port are opened on the sealing plate, a liquid level gauge is fixedly connected to one side of the sealing plate, and an injection head is fixedly arranged on the sealing plate on one side of the liquid level gauge.

[0006] As a preferred technical solution of the present invention, the sensing optical fibers are distributed and fixed on the wall surface of the surrounding rock by means of adhesion, for real-time monitoring of the pressure and temperature changes of the surrounding rock during the material storage process and transmitting the data to an external monitoring system.

[0007] As a preferred technical solution of the present invention, the number of the monitoring holes is multiple, and they are evenly arranged in the left, right, and upper directions of the chamber.

[0008] As a preferred technical solution of the present invention, the high-density electrical method monitoring component includes a carbon fiber rod arranged in the monitoring hole. Detection electrodes are arranged on the outer wall of one end of the carbon fiber rod. The detection electrodes extend into the monitoring hole through the carbon fiber rod and are in close contact with the surrounding rock.

[0009] As a preferred technical solution of the present invention, the sealing plate is a high-strength transparent acrylic plate.

[0010] As a preferred technical solution of the present invention, a temperature monitor and a pressure monitor are arranged in the chamber on one side of the monitoring module. The signal input ends of the temperature monitor and the pressure monitor are respectively connected to sensing wires. Pressure sensors and temperature sensors are respectively and fixedly arranged on both sides of the sealing plate. The pressure sensors and the temperature sensors are connected to the pressure monitor and the temperature monitor through the sensing wires.

[0011] As a preferred technical solution of the present invention, the oil guide port and the water guide port are used to detect the permeability of the reservoir surrounding rock by injecting oil and water, and to adjust the pressure and environmental parameters in the chamber through an external control system.

[0012] As a preferred technical solution of the present invention, the injection head is used to inject inert gas to detect the airtightness of the reservoir surrounding rock. A replacement oil pipe and a replacement water pipe are arranged on both the oil guide port and the water guide port on the sealing plate.

[0013] As a preferred technical solution of the present invention, the monitoring module is used to collect data on the pressure, temperature, humidity, and airtightness of the surrounding rock during the storage process in real time through a sensing optical fiber, a high-density electrical method monitoring component, a pressure monitor, and a temperature monitor; the regulation module is used to adjust the pressure, temperature, and humidity in the chamber through the replacement oil pipe and the injection hole head to ensure the stability of the storage environment.

[0014] As a preferred technical solution of the present invention, the monitoring module and the regulation module are connected to an external control system in a wireless or wired manner. The external control system can display the monitoring data in real time and automatically or manually adjust the environmental parameters in the chamber according to preset parameters.

[0015] The present invention has the following beneficial effects: Real-time monitoring of surrounding rock and environmental parameters: Through a distributed sensing optical fiber, a high-density electrical method monitoring component, a temperature monitor, and a pressure monitor, it is possible to monitor the changes in the pressure, temperature, humidity, and resistivity of the surrounding rock during the storage process in real time, providing comprehensive data support. The monitoring module can transmit the data to the external control system to realize the real-time display and analysis of the data, helping researchers accurately evaluate the transformation behavior of the surrounding rock.

[0016] Precisely control the storage environment: By adjusting the oil change pipe, water change pipe, and injection head in the control module, the pressure, temperature, and humidity in the cavern can be precisely adjusted to ensure the stability of the storage environment. The external control system can automatically or manually generate control commands based on the monitoring data to achieve intelligent control of the storage environment.

[0017] Improve storage safety: Through the high-density electrical method monitoring component and distributed sensing optical fiber, the deformation and crack expansion of the surrounding rock can be detected in a timely manner to prevent leakage and collapse accidents during the storage process. The settings of the injection head, oil guide port, and water guide port can effectively detect the tightness and permeability of the surrounding rock to ensure the safety of the storage environment.

[0018] Suitable for multiple storage scenarios: This platform is not only suitable for the storage of energy such as crude oil and natural gas, but also can be used for the storage of substances such as grain and industrial solid waste, with broad application prospects. Through the integration of multi-source measurement and control technologies, it can adapt to the needs of different storage scenarios and provide flexible monitoring and control solutions.

[0019] Reduce development and operation and maintenance costs: Through real-time monitoring and precise control, resource waste and safety accidents during the storage process can be reduced, and development and operation and maintenance costs can be lowered. Description of the Drawings

[0020] Figure 1 It is a schematic diagram of the external structure of the in-situ material storage test platform for deep underground space integrating multi-source measurement and control technologies.

[0021] Figure 2 It is a schematic diagram of the internal structure of the in-situ material storage test platform for deep underground space integrating multi-source measurement and control technologies.

[0022] Figure 3 It is a schematic diagram of the front structure of the in-situ material storage test platform for deep underground space integrating multi-source measurement and control technologies.

[0023] Figure 4 It is a schematic diagram of the side cross-section structure of the in-situ material storage test platform for deep underground space integrating multi-source measurement and control technologies.

[0024] Figure 5 It is a flow chart of the monitoring module in the in-situ material storage test platform for deep underground space integrating multi-source measurement and control technologies.

[0025] In the figure: 1. Mine wall; 2. Cavern; 3. Monitoring module; 4. Monitoring hole; 5. Carbon fiber rod; 6. Liquid level gauge; 7. Pressure monitor; 8. Sensing optical fiber; 9. Sensing wire; 10. Temperature monitor; 11. Sampling head; 12. Sealing plate; 13. Detection electrode; 14. Oil guide port; 15. Water guide port; 16. Oil change pipe; 17. Water change pipe; 18. Pressure sensor; 19. Temperature sensor; 20. Injection head; 21. Control module. Detailed implementation manners

[0026] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are only for illustrating and explaining the present invention, and are not used to limit the present invention.

[0027] Example 1. Refer to Figures 1 - 5 , an in-situ material storage test platform for deep underground space integrating multi-source measurement and control technologies, including a mine wall 1, further comprising: a chamber 2 is formed by excavating the underground space of the mine wall 1; sensing optical fibers 8 are distributed and fixed on the surrounding rock wall surface of the chamber 2 for real-time monitoring of the pressure and temperature changes of the surrounding rock during the material storage process; monitoring holes 4 are opened on the outer side around the chamber 2, and a high-density electrical method monitoring component is arranged in the monitoring holes 4 for long-term monitoring of the transformation and change conditions of the surrounding rock during the material storage process. A sealing plate 12 is arranged at the entrance of the chamber 2, a sampling head 11 is arranged on the sealing plate 12, a control module 21 is arranged on one side of the sealing plate 12, a monitoring module 3 is arranged on one side of the control module 21, an oil guide port 14 and a water guide port 15 are opened on the sealing plate 12, a liquid level gauge 6 is fixedly connected to one side of the sealing plate 12, and an injection head 20 is fixedly arranged on the sealing plate 12 on one side of the liquid level gauge 6; Through the high-density electrical method monitoring component combined with the monitoring module 3 and the control module 21, the real-time monitoring and control of the surrounding rock and the environment during the material storage process in the deep underground space are realized, ensuring the safety and stability of the material storage environment.

[0028] Example 2. Refer to Figures 1 - 5 , the sensing optical fibers 8 are distributed and fixed on the surrounding rock wall surface by means of adhesion for real-time monitoring of the pressure and temperature changes of the surrounding rock during the material storage process and transmitting the data to an external monitoring system; the number of the monitoring holes 4 is multiple, and they are evenly arranged in the left, right, and upper three directions of the chamber 2; the high-density electrical method monitoring component includes a carbon fiber rod 5 arranged in the monitoring hole 4, and a detection electrode 13 is arranged on the outer wall at one end of the carbon fiber rod 5. The detection electrode 13 extends into the monitoring hole 4 through the carbon fiber rod 5 and is in close contact with the surrounding rock; the number of the monitoring holes 4 is preferably set to 9, and they are respectively arranged in the left, right, and upper three directions of the chamber 2, with 3 monitoring holes 4 arranged in each direction; Actual detection principle: The high-density electrical method is based on the resistivity method. By injecting current into the underground medium, measuring the voltage distribution, and calculating the resistivity of the underground medium. The resistivity of different media is different, and there are significant differences in the resistivity of rocks, water, and gases. The properties and structures of the underground medium can be inferred through the change of resistivity. A plurality of detection electrodes 13 are arranged in the monitoring hole 4, and the resistivity data is obtained through current injection and voltage measurement between the detection electrodes 13. By changing the electrode arrangement mode and measurement mode, the resistivity distribution of different depths and ranges can be obtained; the electrodes are in close contact with the surrounding rock to ensure that the current can be effectively injected into the underground medium.

[0029] An electric current is injected into the surrounding rock through an electrode, and the voltage is measured on other detection electrodes 13. According to the distribution of the current and voltage, the resistivity of the surrounding rock is calculated. Resistivity data is collected by a high-density electrical method instrument to generate a resistivity profile or a three-dimensional resistivity model, analyzing the physical properties and changes of the surrounding rock; through the resistivity distribution map, the structure, fractures, water content, etc. of the surrounding rock can be analyzed; through the change of resistivity, the tightness and permeability of the surrounding rock can be inferred.

[0030] The sealing plate 12 is a high-strength transparent acrylic plate, which has high compressive resistance and transparency, can withstand the high-pressure environment in the chamber 2, and allows external observation of the storage situation in the cave.

[0031] A fixed temperature monitor 10 and a pressure monitor 7 are arranged in the chamber 2 on one side of the monitoring module 3. The signal input ends of the temperature monitor 10 and the pressure monitor 7 are respectively connected to the sensing wires 9. Pressure sensors 18 and temperature sensors 19 are fixedly arranged on both sides of the sealing plate 12, and the pressure sensors 18 and temperature sensors 19 are connected to the pressure monitor 7 and the temperature monitor 10 through the sensing wires 9.

[0032] The oil guide port 14 and the water guide port 15 are used to detect the permeability of the reservoir surrounding rock by injecting oil and water, and adjust the pressure and environmental parameters in the chamber 2 through an external control system; the injection pressure head 20 is used to inject inert gas to detect the tightness of the reservoir surrounding rock, and a tubing changer 16 and a water pipe changer 17 are arranged on both the oil guide port 14 and the water guide port 15 on the sealing plate 12.

[0033] The monitoring module 3 is used to collect data on the pressure, temperature, humidity and tightness of the surrounding rock during the storage process in real time through the sensing optical fiber 8, the high-density electrical method monitoring component, the pressure monitor 7 and the temperature monitor 10; the regulation module 21 is used to adjust the pressure, temperature and humidity in the chamber 2 through the tubing changer 16 and the injection pressure hole to ensure the stability of the storage environment.

[0034] The monitoring module 3 and the regulation module 21 are connected to an external control system by wireless or wired means, and the external control system can display the monitoring data in real time and automatically or manually adjust the environmental parameters in the chamber 2 according to preset parameters.

[0035] Structure of the chamber 2 and the monitoring module 3: In the chamber 2 formed by excavating the underground space of a mine, sensing optical fibers 8 are distributed on the surrounding rock wall surface for real-time monitoring of the pressure and temperature changes of the surrounding rock during the storage process. The sensing optical fibers 8 are fixed on the surrounding rock wall surface by adhesion and transmit data to the monitoring module 3.

[0036] Nine high-density electrical method monitoring holes 4 are drilled 1 meter away from the periphery of the chamber 2. A carbon fiber rod 5 and a detection electrode 13 are arranged in each monitoring hole 4. The detection electrode 13 extends into the monitoring hole 4 through the carbon fiber rod 5 and is in close contact with the surrounding rock, for long-term monitoring of the resistivity change of the surrounding rock, and the data is transmitted to the monitoring module 3.

[0037] A temperature monitor 10 and a pressure monitor 7 are arranged in the chamber 2, for real-time monitoring of the temperature and pressure changes in the chamber 2. A pressure sensor 18 and a temperature sensor 19 are arranged on the sealing plate 12 and are connected to the monitoring module 3 through a sensing wire 9.

[0038] Regulation module 21: An oil guide port 14 and a water guide port 15 are arranged on the sealing plate 12. Oil and water are injected through an oil replacement pipe 16 and a water replacement pipe 17 to detect the permeability of the reservoir surrounding rock, and the pressure and humidity in the chamber 2 are adjusted through an external control system. An injection pressure head 20 is arranged on the sealing plate 12, for injecting inert gas to detect the tightness of the reservoir surrounding rock, and the pressure in the chamber 2 is adjusted through an external control system.

[0039] External control system: The monitoring module 3 is connected to the external control system in a wireless or wired manner, and monitors and transmits data in real time, including pressure, temperature, humidity, and resistivity. The external control system analyzes the monitoring data, generates a report on the surrounding rock transformation behavior, and automatically or manually generates control instructions according to preset parameters. The control instructions are executed through the regulation module 21 to adjust the pressure, temperature, and humidity in the chamber 2 to ensure the stability of the storage environment.

[0040] Storage process: During the storage process, the distributed sensing optical fiber 8 and the high-density electrical method monitoring component monitor the pressure, temperature, and resistivity changes of the surrounding rock in real time, and timely detect the deformation and crack expansion of the surrounding rock. The temperature monitor 10 and the pressure monitor 7 monitor the temperature and pressure changes in the chamber 2 in real time to ensure the stability of the storage environment. The pressure, temperature, and humidity in the chamber 2 are adjusted through the oil guide port 14, the water guide port 15, and the injection pressure head 20 to ensure the safety of the storage environment.

[0041] Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. An in-situ material storage test platform for deep underground space integrating multi-source measurement and control technologies, including a mine wall (1), characterized in that, It also includes: An underground space of the mine wall (1) is excavated to form a chamber (2); sensing optical fibers (8) are distributed on the surrounding rock wall surface of the chamber (2) for real-time monitoring of the pressure and temperature changes of the surrounding rock during the storage process; monitoring holes (4) are opened on the outer side around the chamber (2), and a high-density electrical method monitoring component is arranged in the monitoring holes (4) for long-term monitoring of the transformation and changes of the surrounding rock during the storage process. A sealing plate (12) is arranged at the entrance of the chamber (2), a sampling head (11) is arranged on the sealing plate (12), a control module (21) is arranged on one side of the sealing plate (12), a monitoring module (3) is arranged on one side of the control module (21), an oil guide port (14) and a water guide port (15) are opened on the sealing plate (12), a liquid level gauge (6) is fixedly connected to one side of the sealing plate (12), and an injection pressure head (20) is fixedly arranged on the sealing plate (12) on one side of the liquid level gauge (6).

2. The in-situ material storage test platform for deep underground space integrating multi-source measurement and control technology according to claim 1, characterized in that The sensing optical fibers (8) are fixed on the surrounding rock wall surface by a distributed pasting method for real-time monitoring of the pressure and temperature changes of the surrounding rock during the storage process and transmitting the data to an external monitoring system.

3. The in-situ physical storage test platform for deep underground space integrating multi-source measurement and control technology according to claim 2, characterized in that, The number of the monitoring holes (4) is multiple, and they are evenly arranged in the left, right, and upper three directions of the chamber (2) for monitoring the transformation and changes of the reservoir during the sealing storage process, as well as the tightness and seepage characteristics of the surrounding rock.

4. The in-situ material storage test platform for deep underground space integrating multi-source measurement and control technology according to claim 3, characterized in that, The high-density electrical method monitoring component includes a carbon fiber rod (5) arranged in the monitoring hole (4), and a detection electrode (13) is arranged on the outer wall of one end of the carbon fiber rod (5). The detection electrode (13) extends into the monitoring hole (4) through the carbon fiber rod (5) and is in close contact with the surrounding rock.

5. The in-situ physical storage test platform for deep underground space integrating multi-source measurement and control technology according to claim 4, characterized in that The sealing plate (12) is a high-strength transparent acrylic plate for visually observing the internal changes in the storage area of the surrounding rock cave.

6. The in-situ physical storage test platform for deep underground space integrating multi-source measurement and control technology according to claim 5, characterized in that, A temperature monitor (10) and a pressure monitor (7) are arranged in the chamber (2) on one side of the monitoring module (3). The signal input ends of the temperature monitor (10) and the pressure monitor (7) are respectively connected to a sensing wire (9). Pressure sensors (18) and temperature sensors (19) are fixedly arranged on both sides of the sealing plate (12), and the pressure sensors (18) and the temperature sensors (19) are connected to the pressure monitor (7) and the temperature monitor (10) through the sensing wire (9).

7. The in-situ material storage test platform for deep underground space integrating multi-source measurement and control technology according to claim 6, characterized in that The oil guide port (14) and the water guide port (15) are used to detect the permeability and tightness of the reservoir surrounding rock by injecting oil and water, and to adjust the pressure and environmental parameters in the chamber (2) through an external control system.

8. The in-situ material storage test platform for deep underground space integrating multi-source measurement and control technology according to claim 7, characterized in that The injection pressure head (20) is used to inject inert gas to detect the tightness of the reservoir surrounding rock, and a tubing changer (16) and a water pipe changer (17) are arranged on both the oil guide port (14) and the water guide port (15) on the sealing plate (12).

9. The in-situ physical storage test platform for deep underground space integrating multi-source measurement and control technology according to claim 8, characterized in that The monitoring module (3) is used to collect the pressure, temperature, humidity, and tightness data of the surrounding rock during the storage process in real time through the sensing optical fibers (8), the high-density electrical method monitoring component, the pressure monitor (7), and the temperature monitor (10); A control module (21) is used to adjust the pressure, temperature, and humidity in the chamber (2) through the tubing changer (16) and the injection pressure hole to ensure the stability of the storage environment.

10. The in-situ physical storage test platform for deep underground space integrating multi-source measurement and control technology according to claim 9, characterized in that, The monitoring module (3) and the regulation module (21) are connected to an external control system by wireless or wired means. The external control system can display the monitoring data in real time and automatically or manually adjust the environmental parameters in the cavern (2) according to preset parameters, so as to understand the environmental evolution and change mechanism during the material storage process of the surrounding rock of the deep reservoir under complex conditions, and provide a decision-making basis for the functionality and suitability of underground space storage and long-term safety regulation.

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