Defect detection device for sealing layer of compressed air energy storage large tank type super-large volume gas storage and construction method thereof

Abstract

The application provides a compressed air energy storage large tank type super-large volume gas storage library sealing layer defect detection device and a construction method thereof. The device is applied to a secondary lining layer of the gas storage library to capture the apparent state of the super-large volume gas storage library sealing layer. The device comprises a circular rock anchor beam, a main cross beam, an upward lifting platform, a telescopic steel support, an upper holder camera, a downward lifting platform, a lifting steel cable and a lower holder camera. The method comprises the following steps: S1, detection device installation and debugging; S2, sealing layer apparent shooting; S3, influence data learning and analysis; and S4, sealing layer defect position determination. The application combines a simplified mechanical structure design and an optical camera equipment to rapidly and accurately capture the apparent state of the gas storage library sealing layer, and has the remarkable advantages of simple operation, safety and high efficiency, economy and practicality, and is an excellent solution to the problem of large tank type super-large volume gas storage library sealing layer defect detection.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of compressed air energy storage, in particular to a compressed air energy storage large tank type super large volume gas storage library sealing layer defect detection device and its construction method. BACKGROUND

[0002] In the field of energy storage, compressed air energy storage technology as a kind of efficient, environmentally friendly energy storage method, in recent years, has been widely concerned and applied. Among them, the large tank type super large volume gas storage library as a key component of compressed air energy storage system, its sealing performance is directly related to the energy efficiency and safety of the whole system. However, due to the huge volume of gas storage library, complex structure, and long-term bearing high pressure and external environment, its sealing layer is easy to appear various defects, such as crack, fall off, aging, etc. If these defects are not found and handled in time, it will seriously threaten the safe operation of the gas storage library.

[0003] Traditional detection methods mostly rely on manual inspection, which is not only time-consuming and laborious, but also difficult to ensure the comprehensiveness and accuracy of detection. In addition, due to the huge volume of gas storage library and the complex internal environment, manual inspection also has great safety hazards. In recent years, although some detection technologies based on unmanned aerial vehicles or robots have been proposed, these methods are often limited by the structural characteristics and environmental conditions of the gas storage library, and it is difficult to realize efficient and accurate detection in the large tank type super large volume gas storage library.

[0004] Therefore, it is of great significance to develop a detection device and method that can quickly and accurately capture the apparent condition of the sealing layer of the gas storage library, while being simple, safe and efficient in operation, for ensuring the safe operation of the compressed air energy storage system. Based on this demand, the present application proposes a compressed air energy storage large tank type super large volume gas storage library sealing layer defect detection device and operation method, which aims to realize efficient and accurate detection of the sealing layer defects of the gas storage library by combining the simplified mechanical structure design with the optical camera equipment. SUMMARY

[0005] The present application aims to provide an efficient and accurate compressed air energy storage large tank type super large volume gas storage library sealing layer defect detection device and operation method. Traditional detection methods have problems such as long time-consuming, low efficiency, great safety hazards, etc., which are difficult to meet the safety management needs of compressed air energy storage artificial chamber gas storage library. The present application combines the simplified mechanical structure design with the optical camera equipment, aiming to realize comprehensive, rapid and accurate detection of the sealing layer state of the gas storage library, improve the detection efficiency, reduce the maintenance cost, and ensure the safe operation of the gas storage library.

[0006] One of the technical solutions adopted by the present application is: compressed air energy storage large tank type super large volume gas storage library sealing layer defect detection device, the device is applied to the secondary lining layer 1 of the gas storage library, the apparent state of the super large volume gas storage library sealing layer is captured, the device comprises:

[0007] The circular rock anchor beam 2 is installed on the secondary lining layer 1 of the gas storage library.

[0008] The main cross beam 3 is transversely movably installed on the circular rock anchor beam 2.

[0009] The upward lifting platform 4 is installed on one end of the main cross beam 3, and provides an installation platform for the equipment located on the upward lifting platform 4.

[0010] The telescopic steel support 5 is installed on the upward lifting platform 4.

[0011] The upper pan-tilt camera 6 is installed on the telescopic steel support 5.

[0012] The downward lifting platform 7 is installed on the other end of the main cross beam 3, and provides an installation platform for the equipment located on the downward lifting platform 7.

[0013] The lifting steel cable 8 is installed on the downward lifting platform 7.

[0014] The lower pan-tilt camera 9 is installed on the lifting steel cable 8.

[0015] Further, the circular rock anchor beam 2 is provided with a steel track, the main cross beam 3 is clamped in the movable steel track through the steel wheel 10 and is installed on the circular rock anchor beam 2, and the main cross beam 3 is freely rotated by 360 degrees.

[0016] Further, the width and height of the circular rock anchor beam 2 are about 0.5-1.0 m, the reinforcing bars of the circular rock anchor beam 2 are welded and connected with the reinforcing bars of the secondary lining layer 1, and the two are synchronously poured, so as to provide the circular rock anchor beam 2 with

[0017] Provide bearing capacity.

[0018] Further, the main cross beam 3 is one of a custom I-beam or a channel steel component, the width of the main cross beam 3 is 30-50 cm, and the height is 40-100 cm.

[0019] Further, the main cross beam 3 is provided with tracks at the upper and lower ends, so that the upward lifting platform 4 and the downward lifting platform 7 can freely walk on the main cross beam 3.

[0020] Further, the upward lifting platform 4, the telescopic steel support 5 and the upper pan-tilt camera 6 are installed in an integrated manner, through the rotation of the main cross beam 3, the walking of the upward lifting platform 4, the support of the telescopic steel support and the rotation of the camera, the shooting of the sealing layer at the position above the circular rock anchor beam 2 is realized.

[0021] Further, the descending lifting platform 7, the lifting cable 8 and the lower pan-tilt camera 9 are installed in an integrated manner, and through the rotatable main cross beam, the walking of the descending lifting platform 7, the lifting cable and the rotation of the camera, the sealing layer below the circular rock anchor beam 2 is shot.

[0022] Another technical solution adopted by the present application is a construction method applied to the sealing layer defect detection device of the compressed air energy storage large tank type super-large volume gas storage library, which comprises the following steps:

[0023] S1, installation and debugging of the detection device:

[0024] First, the steel track is installed on the circular rock anchor beam 2, and the main cross beam 3 with a steel wheel 10 is installed; then the steel track is installed on the upper and lower surfaces of the main cross beam 3, and the ascending lifting platform 4 and the descending lifting platform 7 are installed respectively; then the telescopic steel support 5 and the upper pan-tilt camera 6 are installed on the ascending lifting platform 4, and the lifting cable 8 and the lower pan-tilt camera 9 are installed on the descending lifting platform 7; finally, the rotation of the main cross beam, the walking of the lifting platform, the telescoping of the steel support, the lifting of the cable and the rotation and shooting of the camera are debugged to ensure that all components can work normally.

[0025] S2, apparent shooting of the sealing layer:

[0026] The rotation of the main cross beam 3, the walking of the ascending lifting platform 4, the telescoping of the telescopic steel support 5, the rotation and shooting of the lower pan-tilt camera 9 are controlled to realize the shooting of the sealing layer above the rock anchor beam 1 of the gas storage library; the rotation of the main cross beam 3, the walking of the descending lifting platform 7, the telescoping of the lifting cable 8, the rotation and shooting of the lower pan-tilt camera 9 are controlled to realize the shooting of the sealing layer below the circular rock anchor beam 2; when shooting, the vertical distance between the camera and the surface of the sealing layer is ensured to be 1 m, the shooting range is a rectangle of 1.5 m x 1.5 m, the camera moves according to a certain order, the distance of each movement is 1 m, and all the sealing layers of the gas storage library are ensured to be shot; S3, learning and analysis of influence data:

[0027] S3, learning and analysis of influence data:

[0028] Through the artificial intelligence technology, the influence data shot in S2 is deeply learned, a sealing layer defect recognition algorithm is trained, and the sealing layer defects of the gas storage library are quickly recognized and located;

[0029] S4, determining the position of the sealing layer defect:

[0030] Combined with the coordinate positioning technology, the image data in S2 is calibrated, each photo is bound with the position of the sealing layer reflected by the photo, and when the sealing layer defect is recognized in any photo in S3, the position of the sealing layer is quickly output.

[0031] The present application has the advantages and positive effects of:

[0032] (1) Improve detection efficiency: Traditional detection methods often take a long time and require a lot of manpower and material resources. The present application combines mechanical structure design with optical camera equipment to achieve rapid shooting and detection of the sealing layer of the gas storage library, significantly improving detection efficiency.

[0033] (2) Reduce detection cost: Automated and intelligent detection methods reduce human intervention, making the detection process smoother, thereby shortening the detection cycle and reducing the detection cost.

[0034] (3) Improve detection accuracy: The present application uses a pan-tilt camera to capture small defects on the surface of the sealing layer, and through artificial intelligence technology, the image data is deeply learned and analyzed to form a sealing layer defect recognition algorithm, further improving the intelligent level and accuracy of detection.

[0035] (4) Enhance safety: Traditional detection methods may require personnel to enter the gas storage library for detection, which poses a significant safety risk. The present application avoids personnel entering dangerous areas through remote shooting and detection, thereby enhancing the safety of the detection process. At the same time, the detection device structure of the present application is simple, stable and reliable, reducing the safety risks caused by equipment failure. BRIEF DESCRIPTION OF DRAWINGS

[0036] Figure 1 is a structural diagram of a compressed air energy storage large tank type super large volume gas storage library sealing layer defect detection device;

[0037] Figure 2 is an A-A sectional view of a compressed air energy storage large tank type super large volume gas storage library sealing layer defect detection device;

[0038] Figure 3 is a structural diagram of a circular rock anchor beam;

[0039] Figure 4 is a structural diagram of an upward lifting platform, telescopic steel support, and upper pan-tilt camera;

[0040] Figure 5 is a structural diagram of a downward lifting platform, lifting steel cable, and lower pan-tilt camera;

[0041] In the figure: 1, secondary lining layer; 2, circular rock anchor beam; 3, main cross beam; 4, upward lifting platform; 5, telescopic steel support; 6, upper pan-tilt camera; 7, downward lifting platform; 8, lifting steel cable; 9, lower pan-tilt camera; 10, steel wheel. DETAILED DESCRIPTION

[0042] To better understand the present invention, the present invention will be further described below with reference to specific embodiments and accompanying drawings.

[0043] Example 1

[0044] like Figures 1-2 As shown, a defect detection device for the sealing layer of a large-capacity compressed air energy storage tank is used on the secondary lining layer 1 of the gas storage tank to capture the appearance condition of the sealing layer. The device includes:

[0045] Circular rock anchor beam 2 is installed on the secondary lining layer 1 of the gas storage tank;

[0046] like Figure 3 As shown, specifically, a steel rail is set at the position of the circular rock anchor beam 2, and the two ends of the main crossbeam 3 are installed on the circular rock anchor beam 2 by steel wheels 10 in the movable steel rail, so as to realize the 360° free rotation of the main crossbeam.

[0047] The circular rock anchor beam 2 has a width and height of approximately 0.5~1.0m. The reinforcement of the circular rock anchor beam 2 is welded to the reinforcement of the secondary lining layer 1, and the two are poured simultaneously to provide load-bearing capacity for the circular rock anchor beam 2.

[0048] The main crossbeam 3 is movably mounted laterally on the circular rock anchor beam 2;

[0049] Specifically, the main crossbeam 3 is made of either an I-beam or a channel steel component, with a width of 30-50cm and a height of 40-100cm.

[0050] Furthermore, tracks are provided at both the upper and lower ends of the main crossbeam 3, allowing both the upward lifting platform 4 and the downward lifting platform 7 to move freely on the main crossbeam 3.

[0051] like Figure 4 As shown, the upward lifting platform 4 is installed on one end of the main crossbeam 3 and serves as an installation platform for the equipment located on the upward lifting platform 4;

[0052] Telescopic steel support 5 is installed on the upward lifting platform 4;

[0053] The upper pan-tilt camera 6 is mounted on the telescopic steel bracket 5;

[0054] Specifically, the upward lifting platform 4, the telescopic steel bracket 5, and the upper pan-tilt camera 6 are installed as one unit. Through the movement of the rotatable main beam 3, the upward lifting platform 4, the support of the telescopic steel bracket, and the rotation of the camera, the sealing layer above the circular rock anchor beam 2 can be photographed.

[0055] like Figure 5As shown, the down-going lifting platform 7 is installed on the other end of the main cross beam 3, and the equipment for the down-going lifting platform 7 provides an installation platform;

[0056] The lifting cable 8 is installed on the down-going lifting platform 7.

[0057] The lower pan-tilt camera 9 is installed on the lifting cable 8.

[0058] Specifically, the down-going lifting platform 7, the lifting cable 8 and the lower pan-tilt camera 9 are installed in one body, and through the rotation of the main cross beam, the walking of the down-going lifting platform 7, the rotation of the lifting cable and the camera, the position sealing layer below the circular rock anchor beam 2 is realized.

[0059] The working process is: through the rotation of the steel wheel to drive the rotation of the main cross beam, the walking of the lifting platform and the extension of the steel support, the upper pan-tilt camera is used to shoot the sealing layer state above the rock anchor beam of the gas storage; through the rotation of the main cross beam, the walking of the lifting platform and the lifting of the cable, the lower pan-tilt camera is used to shoot the sealing layer state below the rock anchor beam.

[0060] Embodiment 2

[0061] The construction method applied to the compressed air energy storage large tank type super large volume gas storage sealing layer defect detection device described in the above embodiment 1, the method comprises:

[0062] S1, detection device installation and debugging:

[0063] First, install the steel track on the circular rock anchor beam 2, and install the main cross beam 3 with the steel wheel 10; then install the steel track on the upper and lower surfaces of the main cross beam 3, and install the up-going lifting platform 4 and the down-going lifting platform 7 respectively; then install the extension steel support 5 and the upper pan-tilt camera 6 on the up-going lifting platform 4, and install the lifting cable 8 and the lower pan-tilt camera 9 on the down-going lifting platform 7, finally, debug the rotation of the main cross beam, the walking of the lifting platform, the extension of the steel support, the lifting of the cable and the rotation and shooting of the camera, and ensure that the components can work normally;

[0064] S2, apparent shooting of the sealing layer:

[0065] The rotation of the main cross beam 3, the walking of the ascending platform 4, the extension of the steel support 5, the rotation and shooting of the lower holder camera 9 are controlled to realize the shooting of the sealing layer above the rock anchor beam 1 of the gas storage; the rotation of the main cross beam 3, the walking of the descending platform 7, the extension of the lifting cable 8, the rotation and shooting of the lower holder camera 9 are controlled to realize the shooting of the sealing layer below the circular rock anchor beam 2; during shooting, the vertical distance between the camera and the surface of the sealing layer is ensured to be 1 m, the shooting range is a rectangle of 1.5 m x 1.5 m, the camera moves according to a certain order, and the distance of each movement is 1 m, so that the sealing layer at all positions of the gas storage is shot;

[0066] S3, influence data learning and analysis:

[0067] Through artificial intelligence technology, the influence data shot in S2 is deeply learned, a sealing layer defect recognition algorithm is trained, and the sealing layer defects of the gas storage are quickly recognized and located;

[0068] The specific sealing layer defect recognition algorithm is:

[0069] The specific algorithm is:

[0070] A. An RGB three-dimensional rectangular coordinate system is established, wherein the x-axis, the y-axis and the z-axis respectively represent the red value, the green value and the blue value of any certain color, and the interval range of the x-axis, the y-axis and the z-axis is (0, 255);

[0071] B. 100 photos of the sealing layer without defects are input, the red value, the green value and the blue value information of all pixel points of the 100 photos are collected, and the value information is input into the RGB three-dimensional coordinate system;

[0072] C. The pixel points in the RGB three-dimensional coordinate system are analyzed and processed, a shortest interval is taken on the x-axis, the y-axis and the z-axis respectively, so that 99.5% of the pixel points are within the coordinate interval, the three intervals form a cubic space, and the space is named as a defect-free space;

[0073] D. The to-be-detected picture is input, and the picture is averagely divided into 100✕100 rectangular grid blocks, and the number of pixel points of each grid block is about one percent of the total number of pixel points of the picture;

[0074] E. All pixel points of each rectangular grid are input into the RGB three-dimensional coordinate system, if more than 5% of the pixel points are outside the defect-free space, it is judged that the rectangular grid has a defect point, otherwise it does not have a defect point, if all the grids of a picture do not have defect points, it is considered that the picture does not have defect points, otherwise it has defect points;

[0075] Update data, repeat C update defect-free space, and start the detection of the next photo.

[0076] S4, determine the sealing layer defect position:

[0077] In combination with the coordinate positioning technology, the image data in S2 is calibrated, each photo is bound with the position of the sealing layer reflected thereby, and when the sealing layer defect is identified in any photo in S3, the position of the sealing layer is quickly output.

[0078] The embodiments of the present application are described in detail above, but the content described is only the preferred embodiments of the present application and cannot be considered as limiting the scope of the implementation of the present application. Any equivalent changes and improvements made within the scope of the present application should still belong to the scope covered by the present patent.

Claims

1. A compressed air energy storage large tank type super large volume gas storage library sealing layer defect detection device, characterized in that: The device is applied to the secondary lining layer (1) of the gas storage, realizes the capturing of the apparent state of the sealing layer of the super-large volume gas storage, and comprises the following components: A circular rock anchor beam (2) is installed on the secondary lining layer (1) of the gas storage; A main cross beam (3) is transversely movably installed on the circular rock anchor beam (2); the circular rock anchor beam (2) is provided with a steel track, and the two ends of the main cross beam (3) are clamped in the movable steel track through steel wheels (10) and installed on the circular rock anchor beam (2), so that the main cross beam (3) can freely rotate by 360 degrees; An upward lifting platform (4) is installed on one end of the main cross beam (3) and used as an installation platform for the equipment located on the upward lifting platform (4); A telescopic steel support (5) is installed on the upward lifting platform (4); An upper pan-tilt camera (6) is installed on the telescopic steel support (5); The upward lifting platform (4), the telescopic steel support (5) and the upper pan-tilt camera (6) are integrally installed, the position above the circular rock anchor beam (2) is shot through the rotation of the main cross beam (3), the walking of the upward lifting platform (4), the support of the telescopic steel support (5) and the rotation of the camera; A downward lifting platform (7) is installed on the other end of the main cross beam (3) and used as an installation platform for the equipment located on the downward lifting platform (7); A lifting steel cable (8) is installed on the downward lifting platform (7); A lower pan-tilt camera (9) is installed on the lifting steel cable (8); The downward lifting platform (7), the lifting steel cable (8) and the lower pan-tilt camera (9) are integrally installed, the position below the circular rock anchor beam (2) is shot through the rotation of the main cross beam, the walking of the downward lifting platform (7), the lifting of the steel cable and the rotation of the camera.

2. The compressed air energy storage large tank type super large volume gas storage library sealing layer defect detection device according to claim 1, characterized in that: The width and height of the circular rock anchor beam (2) are about 0.5-1.0 m, the reinforcement of the circular rock anchor beam (2) is welded and connected with the reinforcement of the secondary lining layer (1), and the two are synchronously poured to provide bearing capacity for the circular rock anchor beam (2).

3. The compressed air energy storage large tank type super large volume gas storage library sealing layer defect detection device according to claim 1, characterized in that: The main cross beam (3) is one of a custom I-beam or a channel steel component, the width of the main cross beam (3) is 30-50 cm, and the height is 40-100 cm.

4. The compressed air energy storage large tank type super large volume gas storage library sealing layer defect detection device according to claim 1, characterized in that: Tracks are arranged at the upper and lower ends of the main cross beam (3), so that the upward lifting platform (4) and the downward lifting platform (7) can freely walk on the main cross beam (3).

5. The construction method applied to the compressed air energy storage large tank type super large volume gas storage reservoir sealing layer defect detection device according to any one of claims 1-4, characterized in that: The method comprises the following steps: S1, installation and debugging of the detection device: First, a steel track is installed on the circular rock anchor beam (2), and a main cross beam (3) with a steel wheel (10) is installed; then, steel tracks are installed on the upper and lower surfaces of the main cross beam (3), and an upward lifting platform (4) and a downward lifting platform (7) are respectively installed; subsequently, a telescopic steel support (5) and an upper pan-tilt camera (6) are installed on the upward lifting platform (4), and a lifting steel cable (8) and a lower pan-tilt camera (9) are installed on the downward lifting platform (7); finally, the rotation of the main cross beam, the walking of the lifting platforms, the telescoping of the steel support, the lifting of the steel cable and the rotation and shooting of the cameras are debugged to ensure that the components can normally work; S2, apparent shooting of the sealing layer: The rotation of the main cross beam (3), the walking of the upward lifting platform (4), the extension of the steel support (5), the rotation and shooting of the lower holder camera (9) are controlled to realize the shooting of the sealing layer above the rock anchor beam (1) of the gas storage; the rotation of the main cross beam (3), the walking of the downward lifting platform (7), the extension of the lifting cable (8), the rotation and shooting of the lower holder camera (9) are controlled to realize the shooting of the sealing layer below the circular rock anchor beam (2); during shooting, the vertical distance between the camera and the surface of the sealing layer is ensured to be 1 m, the shooting range is a rectangle of 1.5 m x 1.5 m, the camera moves according to a certain order, the distance of each movement is 1 m, and it is ensured that all the sealing layers of the gas storage are shot; S3, influence data learning and analysis: Through artificial intelligence technology, the influence data shot in S2 is deeply learned, a sealing layer defect recognition algorithm is trained, and the sealing layer defects of the gas storage are quickly recognized and positioned; S4, determine the sealing layer defect position: Combined with the coordinate positioning technology, the image data in S2 is calibrated, each photo is bound with the sealing layer position it reflects, and when the sealing layer defect is recognized in any photo in S3, the position of the sealing layer is quickly output.

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