CN210052063U - High-pressure gas storage reinforcing simulation test device capable of carrying out intelligent monitoring - Google Patents
High-pressure gas storage reinforcing simulation test device capable of carrying out intelligent monitoring Download PDFInfo
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- CN210052063U CN210052063U CN201921317897.5U CN201921317897U CN210052063U CN 210052063 U CN210052063 U CN 210052063U CN 201921317897 U CN201921317897 U CN 201921317897U CN 210052063 U CN210052063 U CN 210052063U
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Abstract
The utility model relates to a high pressure gas storage consolidates analogue test device that intelligent monitoring can carry out, build wall structure including simulation gas storage storehouse lining, simulation country rock structure, double-end anchor cable, the pulling force is applyed the device, pulling force monitoring unit, strain measurement unit and monitoring control system, double-end anchor cable wears to locate in the simulation gas storage storehouse lining wall structure, and its both ends and simulation gas storage storehouse lining wall structure and simulation country rock structure fixed connection, pulling force is applyed the device and is located on the double-end anchor cable, with the regulation and control pulling force, on the double-end anchor cable is located to the pulling force monitoring unit, with its pulling force of monitoring, strain measurement unit glues and pastes on simulation gas storage storehouse lining wall structure, in order to monitor its deformation, monitoring control system includes on-the-spot monitoring device and computer, on-the-spot monitoring device respectively with the pulling force monitoring unit, strain measurement unit and pulling force are applyed. The device can simulate the gas storage reinforcing structure, and improve the stress state of simulation gas storage, reduces the deformation of simulation gas storage.
Description
Technical Field
The utility model relates to an energy underground storage technical field, concretely relates to high-pressure gas storage reinforcing analogue test device that can carry out intelligent monitoring.
Background
The underground gas storage is a geological structure and supporting facilities for storing natural gas, and has the main functions of gas peak regulation, safe gas supply, strategic storage, pipeline utilization coefficient improvement, investment saving, gas transmission cost reduction and the like. The reservoir is generally classified into 4 types, i.e., depleted oil-gas reservoir, aquifer reservoir, salt cavern reservoir, and abandoned cavern reservoir, according to the geological structure of the reservoir. Generally, the support design of the underground cavern only considers the pressure of the simulated surrounding rock structure on the inner side of the gas storage. The lining of the gas storage is similar to an egg shell structure, and the lining has good bearing performance when the pressure of a simulated surrounding rock structure on the inner side of the gas storage is considered.
However, since the gas in the high-pressure gas storage is in a compressed state, the walls of the gas storage are subjected to a large outward expansion pressure, which has not been considered in the previous studies. If the gas pressure is too high, the underground gas storage wall can generate large tensile stress and is in an extremely unfavorable stress state, and the concrete structure usually has small capacity of bearing tensile force, so that the gas storage wall can crack and other serious problems.
In order to solve the above problems of the gas storage, it is necessary to study a supporting technology of the gas storage. In order to solve the above problems, it is necessary to provide a test apparatus capable of simulating a gas storage reinforcing structure.
Disclosure of Invention
An object of the utility model is to provide a high-pressure gas storage reinforcing simulation test device that can carry out intelligent monitoring, the device can simulate gas storage reinforced structure, and improves the stress state of simulation gas storage, reduces the deformation of simulation gas storage.
In order to achieve the above purpose, the technical scheme of the utility model is that: a high-pressure gas storage reinforcing simulation test device capable of carrying out intelligent monitoring comprises a simulated gas storage lining wall structure, a simulated surrounding rock structure, a double-head anchoring rope, a tension applying device, a tension monitoring unit, a strain measuring unit and an on-site monitoring device, wherein the simulated surrounding rock structure is arranged at the peripheral part of the simulated gas storage lining wall structure, the double-head anchoring rope is arranged in the simulated gas storage lining wall structure in a penetrating manner, the two ends of the double-head anchoring rope penetrate through the simulated gas storage lining wall structure and are embedded into the simulated surrounding rock structure outside the simulated gas storage lining wall structure, the two ends of the double-head anchoring rope are fixedly connected with the simulated gas storage lining wall structure and the simulated surrounding rock structure through bonding materials, the tension applying device is arranged at one end of the double-head anchoring rope and is fixed on the simulated gas storage lining wall structure to apply tension to the double-head anchoring rope and regulate and control the tension of the double-head anchoring rope, the tension monitoring unit is arranged on the double-head, in order to monitor the tensile size that double-end anchor cable received, strain measurement unit pastes on simulation gas storage storehouse lining wall structure to monitoring simulation gas storage storehouse lining wall structure's deformation, on-the-spot monitoring device's input is connected with tension monitoring unit and strain measurement unit respectively, and the output is connected with the pulling force application device, in order to gather, handle the tensile data that double-end anchor cable received and the deformation data of simulation gas storage storehouse lining wall structure, and the tensile size of regulation and control double-end anchor cable.
Further, simulation gas storage lining wall structure comprises the structure that is used for making gas storage lining wall for simulation gas storage lining wall, simulation country rock structure comprises the structure with the same material of country rock, is used for the country rock environment that simulation gas storage locates.
The device is further provided with a surrounding rock loading system, a vertical pressure loading system and a high-pressure gas injection system, wherein the surrounding rock loading system is arranged on the horizontal periphery of the simulated surrounding rock structure and used for loading pressure in the horizontal direction so as to simulate the horizontal pressure of the surrounding rock on the gas storage; the simulated gas storage lining wall structure is provided with a gas inlet, and the gas inlet is connected with a gas injection pipeline of a high-pressure gas injection system.
Furthermore, the double-headed anchor cable comprises a plurality of double-headed anchor cables, when the double-headed anchor cables are arranged along the horizontal direction, all the double-headed anchor cables are horizontally and uniformly distributed at intervals from top to bottom, and all the double-headed anchor cables are staggered by a certain angle; when the double-headed anchor cables are vertically arranged, the double-headed anchor cables are uniformly distributed along the circumferential direction of the simulated gas storage lining wall structure at intervals.
Further, when the horizontal pressure applied by the simulated surrounding rock structure to the simulated gas storage lining wall structure is smaller than the vertical pressure, the simulated gas storage lining wall structure mainly has the risk of deformation in the horizontal direction, and the double-headed anchoring cable is arranged along the horizontal direction; when the horizontal pressure that simulation country rock structure applyed to simulation gas storage storehouse lining wall structure is greater than vertical pressure, simulation gas storage storehouse lining wall structure mainly has the vertical deformation risk, double-end anchor cable is along vertical setting.
Further, the double-headed anchor cable is a steel bar or a steel strand, when the double-headed anchor cable is a steel bar, the steel bar is divided into a plurality of sections, and the sections are connected by screw threads or welded after installation.
Further, the tensile force applying device is a hydraulic oil pump or an electric motor.
Furthermore, the device comprises a plurality of strain measurement units, wherein each strain measurement unit is adhered to different positions of the simulated gas storage lining wall structure so as to monitor the deformation of the simulated gas storage lining wall structure at different positions.
And the field monitoring device is communicated with the computer to transmit the acquired tension data of the double-headed anchor cable and the deformation data of the simulated lining wall structure of the gas storage warehouse to the computer, receive the command of the computer and regulate and control the tension of the double-headed anchor cable.
Compared with the prior art, the utility model discloses following beneficial effect has: the device simulates an underground high-pressure gas storage reinforcing structure, regulates and controls the tension of a double-head anchoring cable by monitoring the deformation of a lining wall structure of the simulation gas storage, improves the stress state of the simulation gas storage, reduces the deformation of the simulation gas storage, provides possibility for researching and developing the underground high-pressure gas storage reinforcing technology with high reliability, and has strong practicability.
Drawings
Fig. 1 is a schematic diagram of a forward structure of an embodiment of the present invention.
Fig. 2 is a schematic top view of an embodiment of the present invention.
Fig. 3 is a schematic diagram of a connection according to an embodiment of the present invention.
Fig. 4 is a schematic structural view of a pulling force applying device according to an embodiment of the present invention.
In the figure, 1-1 parts of double-head anchoring cables, 1-2 parts of bonding materials, 2 parts of a tension applying device, 2-1 parts of a cylinder body of a hydraulic oil pump, 2-2 parts of a piston of the hydraulic oil pump, 2-3 parts of hydraulic oil inlets and outlets A, 2-4 parts of hydraulic oil inlets and outlets B, 3 parts of a tension monitoring unit, 4 parts of a strain measuring unit, 5 parts of a simulated gas storage lining wall structure, 6 parts of a simulated surrounding rock structure, 7 parts of a gas injection pipeline of a high-pressure gas injection system.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The utility model provides a high pressure gas storage reinforcing simulation test device that can carry out intelligent monitoring, as shown in figure 1, 2, build wall structure 5, simulation country rock structure 6, double-end anchor cable 1-1, pulling force including simulation gas storage lining and exert device 2, pulling force monitoring unit 3, strain measurement unit 4 and on-the-spot monitoring device. The simulated gas storage lining wall structure 6 is arranged on the periphery of the simulated gas storage lining wall structure 5, the double-headed anchor rope 1-1 penetrates through the simulated gas storage lining wall structure 5, two ends of the double-headed anchor rope 1-1 penetrate through the simulated gas storage lining wall structure 5 and are embedded into the simulated gas storage lining wall structure 6 on the outer side of the simulated gas storage lining wall structure, two ends of the double-headed anchor rope 1-1 are fixedly connected with the simulated gas storage lining wall structure 5 and the simulated gas storage lining wall structure through bonding materials such as cement mortar or resin, the tension applying device 2 is arranged at one end of the double-headed anchor rope 1-1 and is fixed on the simulated gas storage lining wall structure 5 so as to apply tension to the double-headed anchor rope and regulate and control the tension of the double-headed anchor rope, the tension monitoring unit 3 is arranged on the double-headed anchor rope 1-1 so as to monitor the tension applied to the double-headed anchor rope, the strain measuring unit 4 is adhered on the simulated gas storage lining, so as to monitor and simulate the deformation of the lining wall structure of the gas storage. The input end of the on-site monitoring device is respectively connected with the tension monitoring unit and the strain measuring unit, and the output end of the on-site monitoring device is connected with the tension applying device so as to collect, process and store tension data borne by the double-head anchoring cable and simulate deformation data of a lining wall structure of the gas storage warehouse. The connection principle is shown in fig. 3.
In this embodiment, simulation gas storage lining wall structure 5 comprises the structure that is used for making gas storage lining wall for simulation gas storage lining wall, simulation country rock structure 6 comprises the structure with the same material of country rock, is used for the country rock environment that simulation gas storage locates. The simulation test device of the utility model is also provided with a surrounding rock loading system, a vertical pressure loading system and a high-pressure gas injection system, wherein the surrounding rock loading system is arranged at the horizontal peripheral part of the simulated surrounding rock structure and is used for loading the pressure in the horizontal direction so as to simulate the horizontal pressure of the surrounding rock to the gas storage; the simulated gas storage lining wall structure is provided with a gas inlet, and the gas inlet is connected with a gas injection pipeline of a high-pressure gas injection system.
The tensile force that double-end anchor cable provided can effectively control simulation gas storage storehouse lining wall structure inflation to the tensile force dispersion that will receive can prevent that gas storage storehouse lining wall part from being pulled and destroying in simulation country rock structure. Because the gas storage stores liquid or gaseous substances, the double-headed anchoring cable penetrating through the gas storage does not substantially influence the gas storage amount and the like. The utility model discloses a simulation test device is to the atress characteristic and the application characteristic special design of high pressure gas storage. When gas, liquid or gas-liquid mixture is input into the gas storage, the internal pressure of the gas storage rises gradually, and the gas storage is pressed to expand outwards to generate pulling force on the lining wall, so that the pulling crack is initiated. The utility model discloses a pre-buried double-end anchor cable in simulation gas storage lining wall structure and simulation country rock structure provides compensation pressure, prevents that gas storage lining wall and simulation country rock structure from destroying the high-pressure gas leakage that arouses under the pressure action.
In the embodiment, the device comprises a plurality of double-headed anchor cables, when the double-headed anchor cables are arranged along the horizontal direction, all the double-headed anchor cables are uniformly distributed at intervals horizontally from top to bottom, and all the double-headed anchor cables are staggered by a certain angle; when the double-headed anchor cables are vertically arranged, the double-headed anchor cables are uniformly distributed along the circumferential direction of the high-pressure gas storage at intervals. When the horizontal pressure applied by the simulated surrounding rock structure to the simulated gas storage lining wall structure is smaller than the vertical pressure, the simulated gas storage lining wall structure mainly has the risk of deformation in the horizontal direction, and the double-headed anchoring cable is arranged along the horizontal direction; when the horizontal pressure that simulation country rock structure applyed to simulation gas storage storehouse lining wall structure is greater than vertical pressure, simulation gas storage storehouse lining wall structure mainly has the vertical deformation risk, double-end anchor cable is along vertical setting.
The double-end anchoring cable is a steel bar or a steel strand. When the double-headed anchor cable is a steel bar, the steel bar is divided into a plurality of sections, and the sections are connected by screw threads or welded after installation.
In this embodiment, the tension monitoring unit 3 is a tension sensor. The connection mode of the tension monitoring unit and the double-head anchoring cable is as follows: the double-headed anchor cable is divided into two sections at the position of connecting the tension monitoring unit, and two end heads are respectively connected with two pulled ends of the tension monitoring unit so as to connect the tension monitoring unit to the double-headed anchor cable. The concrete connection mode can be threaded connection, welding, rope buckle connection and the like.
The tension applying device is fixed on the lining wall structure of the simulated gas storage through the small anchor bolts, and the tension applied by the tension applying device is mainly transmitted along the double-headed anchor cables, so that the lining wall structure of the simulated gas storage cannot be damaged basically when the tension applying device is connected with the lining wall. The connection mode of the tension applying device and the double-head anchoring cable is as follows: the double-headed anchor cable is divided into two sections at the position of connecting the tension applying device, and two ends of the double-headed anchor cable are respectively connected with two pulled ends of the tension applying device. The concrete connection mode can be threaded connection, welding, rope buckle connection and the like. The tensile force applying means 2 may be a hydraulic oil pump or an electric motor. In the present embodiment, the tension applying means is a hydraulic cylinder, which is implemented by injecting or releasing hydraulic oil into or from two hydraulic oil inlets and outlets 2-3 and 2-4 on a cylinder body 2-1 of the hydraulic oil pump to control the stroke of a piston 2-2 of the hydraulic oil pump, thereby adjusting the tension, as shown in fig. 4. For the realization mode that the tension applying device is the motor, the tension is regulated and controlled by adjusting the rotation angle of the motor.
The device comprises a plurality of strain measurement units 4, wherein each strain measurement unit 4 is adhered to different positions of a simulated gas storage lining wall structure 5 so as to monitor the deformation of the different positions of the simulated gas storage lining wall structure. In the present embodiment, the strain measuring unit 4 is a strain sensor.
And the field monitoring device is electrically connected with the tension monitoring unit and the strain measuring unit through leads respectively. The device also comprises a computer, wherein the field monitoring device is communicated with the computer so as to transmit the collected tension data of the double-headed anchor cable and the deformation data of the simulated lining wall structure of the gas storage warehouse to the computer, receive the command of the computer and regulate and control the tension of the double-headed anchor cable. During operation, the computer can calculate the pulling force that the double-end anchoring cable needs to be exerted according to the deformation data of the simulated gas storage lining wall structure sent by the on-site monitoring device, sends a command to the on-site monitoring device accordingly, controls the pulling force exerting device through the on-site monitoring device, regulates and controls the pulling force of the double-end anchoring cable, and monitors whether the pulling force of the double-end anchoring cable reaches a set value through the pulling force monitoring unit, wherein the pulling force is always smaller than the maximum bearing capacity of the double-end anchoring cable.
The utility model discloses an implementation as follows: (1) a hole is formed in the position, needing to be reinforced, of the simulated gas storage lining wall structure, and the hole penetrates through the simulated gas storage lining wall structure and penetrates into the simulated surrounding rock structure on the outer side of the simulated gas storage lining wall structure; (2) installing and fixing a double-head anchoring cable at the position of the opening, and installing a tension applying device and a tension monitoring unit; a strain measurement unit is well adhered to the simulated gas storage lining wall structure; (3) respectively connecting the tension applying device, the tension monitoring unit and the strain measuring unit with a field monitoring device of a monitoring system; (4) the method comprises the steps of inputting gas into a simulated gas storage lining wall structure, monitoring deformation of the simulated gas storage lining wall structure in real time through a strain measurement unit by a monitoring system, and controlling a tension applying device to regulate and control tension of the double-headed anchor cable when the deformation of the simulated gas storage lining wall structure is larger than an allowable value until the deformation of the simulated gas storage lining wall structure returns to the allowable value or the tension reaches the maximum bearing capacity of the double-headed anchor cable.
Above is the utility model discloses a preferred embodiment, all rely on the utility model discloses the change that technical scheme made, produced functional action does not surpass the utility model discloses during technical scheme's scope, all belong to the utility model discloses a protection scope.
Claims (9)
1. A high-pressure gas storage reinforcing simulation test device capable of carrying out intelligent monitoring is characterized by comprising a simulated gas storage lining wall structure, a simulated surrounding rock structure, a double-head anchoring rope, a tension applying device, a tension monitoring unit, a strain measuring unit and an on-site monitoring device, wherein the simulated surrounding rock structure is arranged at the peripheral part of the simulated gas storage lining wall structure, the double-head anchoring rope is arranged in the simulated gas storage lining wall structure in a penetrating manner, two ends of the double-head anchoring rope penetrate through the simulated gas storage lining wall structure and are embedded into the simulated surrounding rock structure outside the simulated gas storage lining wall structure, two ends of the double-head anchoring rope are fixedly connected with the simulated gas storage lining wall structure and the simulated surrounding rock structure through bonding materials, the tension applying device is arranged at one end of the double-head anchoring rope and is fixed on the simulated gas storage lining wall structure so as to apply tension to the double-head anchoring rope and regulate and control the tension of the double-head anchoring rope, the tensile force monitoring unit is located on the double-end anchor cable to the tensile size that the monitoring double-end anchor cable receives, strain measurement unit pastes on simulation gas storage storehouse lining wall structure, in order to monitor the deformation of simulation gas storage storehouse lining wall structure, on-the-spot monitoring device's input is connected with tensile force monitoring unit and strain measurement unit respectively, and the output is connected with the pulling force applying device, with the tensile force data that gathers, handles double-end anchor cable received and the deformation data of simulation gas storage storehouse lining wall structure to and the tensile size of regulation and control double-end anchor cable.
2. The high-pressure gas storage reinforcement simulation test device capable of being intelligently monitored according to claim 1, wherein the simulated gas storage lining wall structure is composed of a structure for manufacturing the gas storage lining wall and used for simulating the gas storage lining wall, and the simulated surrounding rock structure is composed of a structure made of the same materials as surrounding rocks and used for simulating the surrounding rock environment where the gas storage is located.
3. The high-pressure gas storage reinforcement simulation test device capable of carrying out intelligent monitoring according to claim 1 or 2, characterized in that a surrounding rock loading system, a vertical pressure loading system and a high-pressure gas injection system are further provided, wherein the surrounding rock loading system is arranged at the horizontal periphery of the simulated surrounding rock structure and is used for loading pressure in the horizontal direction so as to simulate the horizontal pressure of the surrounding rock on the gas storage, and the vertical pressure loading system is arranged at the upper and lower parts of the simulated surrounding rock structure and is used for loading vertical pressure so as to simulate the vertical pressure of the surrounding rock on the gas storage; the simulated gas storage lining wall structure is provided with a gas inlet, and the gas inlet is connected with a gas injection pipeline of a high-pressure gas injection system.
4. The high-pressure gas storage reinforcement simulation test device capable of carrying out intelligent monitoring according to claim 1, which comprises a plurality of double-headed anchoring cables, wherein when the double-headed anchoring cables are arranged along the horizontal direction, the double-headed anchoring cables are uniformly distributed horizontally from top to bottom at intervals, and the double-headed anchoring cables are staggered by a certain angle; when the double-headed anchor cables are vertically arranged, the double-headed anchor cables are uniformly distributed along the circumferential direction of the simulated gas storage lining wall structure at intervals.
5. The high-pressure gas storage reinforcement simulation test device capable of carrying out intelligent monitoring according to claim 4, wherein when the horizontal pressure applied by the simulated surrounding rock structure to the simulated gas storage lining wall structure is smaller than the vertical pressure, the simulated gas storage lining wall structure mainly has the risk of deformation in the horizontal direction, and the double-headed anchoring cables are arranged in the horizontal direction; when the horizontal pressure that simulation country rock structure applyed to simulation gas storage storehouse lining wall structure is greater than vertical pressure, simulation gas storage storehouse lining wall structure mainly has the vertical deformation risk, double-end anchor cable is along vertical setting.
6. The intelligent monitoring high-pressure gas storage reinforcement simulation test device as claimed in claim 1, wherein the double-headed anchor cable is a steel bar or a steel strand, when the double-headed anchor cable is a steel bar, the steel bar is divided into a plurality of sections, and the sections are connected by screw threads or welded after installation.
7. The intelligent monitoring-capable high-pressure gas storage reinforcement simulation test device as claimed in claim 1, wherein the tension applying device is a hydraulic oil pump or an electric motor.
8. The high-pressure gas storage reinforcement simulation test device capable of being intelligently monitored according to claim 1, which comprises a plurality of strain measurement units, wherein each strain measurement unit is adhered to different positions of the simulated gas storage lining wall structure so as to monitor the deformation of the simulated gas storage lining wall structure at different positions.
9. The high-pressure gas storage reinforcement simulation test device capable of carrying out intelligent monitoring according to claim 1, further comprising a computer, wherein the on-site monitoring device is communicated with the computer to transmit the collected tension data of the double-headed anchor cable and the deformation data of the lining wall structure of the simulated gas storage to the computer, and receive the command of the computer to regulate and control the tension of the double-headed anchor cable.
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| CN201921317897.5U CN210052063U (en) | 2019-08-14 | 2019-08-14 | High-pressure gas storage reinforcing simulation test device capable of carrying out intelligent monitoring |
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| CN201921317897.5U CN210052063U (en) | 2019-08-14 | 2019-08-14 | High-pressure gas storage reinforcing simulation test device capable of carrying out intelligent monitoring |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110347191A (en) * | 2019-08-14 | 2019-10-18 | 福建工程学院 | Intellectual monitoring formula high-pressure gas library reinforces simulation test device and its application method |
| CN116312188A (en) * | 2023-03-10 | 2023-06-23 | 中国矿业大学 | Model device for simulating operation of abandoned mine compressed air energy storage system |
-
2019
- 2019-08-14 CN CN201921317897.5U patent/CN210052063U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110347191A (en) * | 2019-08-14 | 2019-10-18 | 福建工程学院 | Intellectual monitoring formula high-pressure gas library reinforces simulation test device and its application method |
| CN110347191B (en) * | 2019-08-14 | 2024-02-09 | 福建工程学院 | Intelligent monitoring type high-pressure gas reservoir reinforcement simulation test device and application method thereof |
| CN116312188A (en) * | 2023-03-10 | 2023-06-23 | 中国矿业大学 | Model device for simulating operation of abandoned mine compressed air energy storage system |
| CN116312188B (en) * | 2023-03-10 | 2023-10-20 | 中国矿业大学 | Model device for simulating operation of abandoned mine compressed air energy storage system |
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