Support system and pressure vessel

Abstract

The utility model relates to a kind of support system and pressure vessel.Support system includes multiple support columns, and detection device and control device.Two pull rod assemblies are crossly arranged between two adjacent support columns.Each pull rod assembly includes rod body and adjusting member, adjusting member is connected with rod body, adjusting member is used to adjust the length of itself or adjust the length of rod body to adjust the tension degree of pull rod assembly.Detection device is arranged between pull rod assembly and support column, and is used to detect the stress change of pull rod assembly and / or support column.Control device is connected with detection device and adjusting member, and is used to control adjusting member action according to the detection signal detected by detection device, to carry out pre-tightening force compensation to pull rod assembly.The support system, its pull rod assembly can be pre-tightening force compensation to adapt to tank thermal expansion and contraction.And by setting detection device and control device, the real-time, automatic, accurate regulation and control of the pre-tightening force of pull rod assembly can be realized, and the support stability is improved.

Description

Technical Field

[0001] This utility model relates to the field of pressure vessel technology, and in particular to a support system and a pressure vessel. Background Technology

[0002] Spherical tanks, as large pressure vessels, are widely used in petrochemical, air energy storage, and other fields. In air energy storage systems, hot water spherical tanks undergo frequent and drastic temperature changes (such as cycling from room temperature to 60℃~240℃), resulting in periodic thermal expansion and contraction of the tank body. Traditional spherical tank tie rods generally use a tension joint structure, relying on manual periodic adjustment of the preload to compensate for the shell expansion and contraction caused by temperature changes. This method has the following significant drawbacks: 1. Adjustment lag: Humans cannot respond in real time to the displacement compensation needs caused by rapid temperature changes.

[0003] 2. Insufficient precision: Manual operation makes it difficult to ensure the synchronization and uniformity of force on multiple tie rods.

[0004] 3. High operation and maintenance costs: Frequent inspections and adjustments are required, which poses operational risks.

[0005] 4. Stress concentration risk: Loose or overly tight tie rods can easily lead to excessive local stress, affecting structural safety.

[0006] Therefore, there is an urgent need for a support device that can automatically adjust the preload of the tie rod to improve the stability of the spherical tank support. Utility Model Content

[0007] One objective of this invention is to address the shortcomings of existing technologies, such as adjustment lag, insufficient precision, high maintenance costs, and stress concentration caused by manual adjustment, and to provide a support system. To solve the above technical problems, this invention adopts the following technical solution: A support system, comprising: Multiple support columns are evenly arranged circumferentially. The top of each support column is used to connect to the tank body of the pressure vessel, and the bottom of each support column is used to fix it to the bearing surface. Two tie rod assemblies are arranged crosswise between two adjacent support columns. The two ends of each tie rod assembly are connected to the two adjacent support columns. Each tie rod assembly includes a rod body and an adjusting component. The adjusting component is connected to the rod body and is used to adjust its own length or the length of the rod body to adjust the tension of the tie rod assembly. A detection device is installed between the tie rod assembly and the support column, and is used to detect stress changes in the tie rod assembly and / or the support column; A control device is connected to a detection device and an adjusting component, and is used to control the action of the adjusting component based on the detection signal detected by the detection device, so as to compensate for the preload of the tie rod assembly.

[0008] In one embodiment, the adjusting member is a telescopic structure, and the adjusting member can adjust its own length to adjust the tension of the pull rod assembly. In one embodiment, the adjusting element is a hydraulic cylinder, which includes a cylinder body and a piston rod, and the cylinder body and piston rod are respectively connected to the rod body and the support column.

[0009] In one embodiment, one end of the rod is connected to the upper part of a support column, the other end of the rod is connected to a piston rod, and the cylinder is connected to the bottom of another support column.

[0010] In one embodiment, a first connecting seat is provided at the end of the rod away from the piston rod, and a first connecting plate is provided at the upper part of the support column, with the first connecting seat and the first connecting plate being hinged together. The cylinder body is provided with a second connecting seat, and the bottom of the support column is provided with a second connecting plate. The second connecting seat and the second connecting plate are hinged together.

[0011] In one embodiment, the control device includes a controller and a servo valve. The controller is connected to the detection device and the servo valve. The servo valve is located on the oil supply line of the hydraulic cylinder. The controller is used to control the opening degree of the servo valve according to the detection signal detected by the detection device.

[0012] In one embodiment, the support system includes a pressure sensor disposed on the oil supply line of the hydraulic cylinder and connected to the controller. The pressure sensor is used to detect the pressure of the hydraulic cylinder.

[0013] In one embodiment, the detection device includes a displacement sensor disposed at the connection between the upper part of the support column and the tie rod assembly, and the displacement sensor is used to detect displacement changes of the tie rod assembly and / or the support column.

[0014] In one embodiment, the displacement sensor is a magnetic scale displacement sensor or a strain gauge displacement sensor.

[0015] Another objective of this utility model is to provide a pressure vessel, including a tank body and a support system as described in any of the above, wherein the top of each support column is connected to the outer wall of the tank body.

[0016] As can be seen from the above technical solution, this utility model has at least the following advantages and positive effects: In this invention, the support system includes multiple support columns, a detection device, and a control device. The support columns support the tank body of the pressure vessel, and two tie rod assemblies are intersected between adjacent support columns. Each tie rod assembly includes a rod body and an adjusting member, which is connected to the rod body. The adjusting member is used to adjust its own length or the length of the rod body to adjust the tension of the tie rod assembly. Thus, the overall length of the tie rod assembly is adjustable, and the tie rod assembly can adapt to the radial displacement at the top of the support columns caused by the thermal expansion and contraction of the tank body, compensating for the preload. This ensures that the preload of the tie rod assembly remains within the design safety range during the thermal expansion and contraction of the tank body, thereby effectively improving the stability and safety of the pressure vessel.

[0017] Furthermore, by setting up detection and control devices, the detection device can detect stress changes in the tie rod assembly and / or support column, and the control device can control the adjustment components to perform preload compensation on the tie rod assembly based on the signals from the detection device. This enables real-time, automated, and precise control of the preload of the tie rod assembly, ensuring the synchronicity and uniformity of the force on each tie rod assembly, and significantly improving the safety and reliability of the pressure vessel operation. Attached Figure Description

[0018] Figure 1 This is a structural schematic diagram of a pressure vessel according to one embodiment of the present invention.

[0019] Figure 2 yes Figure 1 An enlarged schematic diagram of point A in the structure shown.

[0020] Figure 3 This is a schematic diagram of the control principle of the support system according to one embodiment of the present invention.

[0021] The annotations in the attached figures are explained as follows: 100 - Pressure vessel; 101 - Tank body; 102 - Support system; 10-Supporting column; 11-Base plate; 12-First connecting plate; 13-Second connecting plate; 20-Pull rod assembly; 21-Rod body; 22-Adjusting component; 221-Cylinder body; 222-Piston rod; 23-First connecting seat; 24-Second connecting seat; 30 - Detection device; 31 - Displacement sensor; 40-Control device; 41-Controller; 42-Servo valve; 43-Pressure sensor. Detailed Implementation

[0022] Typical embodiments embodying the features and advantages of this utility model will be described in detail in the following description. It should be understood that this utility model can have various variations in different embodiments, all of which do not depart from the scope of this utility model, and the descriptions and illustrations therein are for illustrative purposes only and not intended to limit this utility model.

[0023] In the description of this application, it should be understood that, in the embodiments shown in the accompanying drawings, the indications of direction or positional relationships (such as up, down, left, right, front, and back, etc.) are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. These descriptions are appropriate when these elements are in the positions shown in the accompanying drawings. If the description of the positions of these elements changes, these directional indications also change accordingly.

[0024] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the stated features. In the description of this application, "a plurality of" means two or more, unless otherwise explicitly specified.

[0025] See Figure 1 This utility model provides a pressure vessel 100, including a tank 101 and a support system 102. The tank 101 can be a spherical tank. Alternatively, the tank 101 can also be a cylindrical tank. Optionally, the tank 101 can be a single-layer tank. Alternatively, the tank 101 can also be a double-layer tank.

[0026] The support system 102 is mainly used to connect the tank 101 to the ground and other bearing surfaces, and to provide stable support for the tank 101.

[0027] The specific embodiments of the support system 102 of this utility model will be described in detail below with reference to the accompanying drawings.

[0028] Please see Figures 1 to 3 As shown, the support system 102 of this utility model embodiment includes a plurality of support columns 10, a detection device 30, and a control device 40. The plurality of support columns 10 are evenly arranged circumferentially, and the top end of each support column 10 is used to connect to the tank body 101 of the pressure vessel 100, and the bottom end of each support column 10 is used to fix to the bearing surface.

[0029] Two tie rod assemblies 20 are crosswise arranged between two adjacent support columns 10, and the two ends of each tie rod assembly 20 are connected to the two adjacent support columns 10 respectively. Each tie rod assembly 20 includes a rod body 21 and an adjusting member 22. The adjusting member 22 is connected to the rod body 21 and is used to adjust its own length or the length of the rod body 21 to adjust the tension of the tie rod assembly 20.

[0030] The detection device 30 is disposed between the tie rod assembly 20 and the support column 10, and is used to detect stress changes in the tie rod assembly 20 and / or the support column 10. The control device 40 is connected to the detection device 30 and the adjusting member 22, and is used to control the adjusting member 22 to operate according to the detection signal detected by the detection device 30, so as to compensate for the preload of the tie rod assembly 20.

[0031] In this invention, multiple support columns 10 support the tank body 101 of the pressure vessel 100, and two tie rod assemblies 20 are crosswise arranged between adjacent support columns 10. Each tie rod assembly 20 includes a rod body 21 and an adjusting member 22, with the adjusting member 22 connected to the rod body 21. The adjusting member 22 is used to adjust its own length or the length of the rod body 21 to adjust the tension of the tie rod assembly 20. Thus, the overall length of the tie rod assembly 20 is adjustable, and the tie rod assembly 20 can adapt to the thermal expansion and contraction of the tank body 101 to compensate for the preload, ensuring that the preload of the tie rod assembly 20 is always within the design safety range during the thermal expansion and contraction of the tank body 101, thereby effectively improving the stability and safety of the pressure vessel 100.

[0032] Furthermore, by setting up a detection device 30 and a control device 40, the detection device 30 is used to detect stress changes in the tie rod assembly 20 and / or the support column 10, and the control device 40 is used to control the adjustment component 22 to operate according to the detection signal detected by the detection device 30, so as to compensate for the preload of the tie rod assembly 20. This enables real-time, automated, and precise control of the preload of the tie rod assembly 20, ensuring the synchronicity and uniformity of the force on each tie rod assembly 20, and significantly improving the safety and reliability of the pressure vessel 100 operation.

[0033] like Figure 1 As shown, multiple support columns 10 are evenly distributed in a circle and connected to the outer wall of the tank 101. Each support column 10 extends vertically, with its top end connected to the tank 101 and its bottom end connected to the ground or other mounting base using fasteners such as anchor bolts.

[0034] Optionally, the support column 10 can be a column structure with a circular or square cross-section. The support column 10 can be made of metal material, for example, the support column 10 can be made of steel of the same or similar material as the tank body 101.

[0035] For example, the top of the support column 10 can be welded and fixed to the outer wall of the tank 101 to ensure a reliable connection between the two. The bottom end of the support column 10 can be welded with a base plate 11, and the base plate 11 can have multiple connection holes for anchor bolts to pass through.

[0036] See Figure 1 As shown, two tie rod assemblies 20 are crosswise arranged between two adjacent support columns 10, and the two ends of each tie rod assembly 20 are connected to the two adjacent support columns 10 respectively. It can be understood that the tie rod assembly 20 is mainly used to connect the two adjacent support columns 10, to ensure the verticality and stability of each support column 10, thereby improving the support stability of the tank body 101.

[0037] refer to Figure 1 The tie rod assembly 20 includes a rod body 21 and an adjusting component 22. The rod body 21 can be made of round steel. The rod body 21 can be a single, integral structure, or it can be a separate structure.

[0038] The adjusting component 22 is connected to the rod body 21. The adjusting component 22 can adjust its own length or the length of the adjusting rod body 21, thereby making the overall length of the pull rod assembly 20 adjustable, so as to adjust the tension of the pull rod assembly 20.

[0039] In the embodiments of this utility model, the overall length of the tie rod assembly 20 is adjustable, so that the tie rod assembly 20 can adapt to the radial displacement of the top of the support column 10 caused by the thermal expansion and contraction of the tank 101 and perform pre-tightening force compensation, ensuring that the pre-tightening force of the tie rod assembly 20 is always within the design safety range during the thermal expansion and contraction of the tank 101, thereby effectively improving the stability and safety of the pressure vessel 100.

[0040] refer to Figure 2 In one embodiment, the adjusting member 22 is a telescopic structure, and the adjusting member 22 can adjust its own length to adjust the tension of the pull rod assembly 20.

[0041] Optionally, the adjusting member 22 is a hydraulic cylinder. Alternatively, in other embodiments, the adjusting member 22 may also be a telescopic structure such as a pneumatic cylinder or an electric push rod.

[0042] For example, such as Figure 2 As shown, in one embodiment, the hydraulic cylinder includes a cylinder body 221 and a piston rod 222, with the cylinder body 221 and piston rod 222 respectively connected to the rod body 21 and the support column 10. Optionally, the rod body 21 is an integral structure, with one end connected to the upper part of a support column 10, the other end connected to the piston rod 222, and the cylinder body 221 connected to the bottom of another support column 10.

[0043] In this embodiment, the rod 21 is an integral structure, with one end connected to a support column 10 and the other end connected to another support column 10 via a hydraulic cylinder. Thus, by extending and retracting the piston rod 222 relative to the cylinder 221, the overall length of the hydraulic cylinder is adjustable, thereby enabling the overall length of the tie rod assembly 20 to be adjustable, thereby achieving the purpose of adjusting the tension of the tie rod assembly 20.

[0044] It is understood that in other embodiments, the rod 21 may be configured as a split structure, which may include a first rod segment and a second rod segment, with a hydraulic cylinder connected between the first rod segment and the second rod segment. For example, one end of the first rod segment is connected to the upper part of a support column 10, the other end of the first rod segment is connected to a piston rod 222, the cylinder body 221 is connected to one end of the second rod segment, and the other end of the second rod segment is connected to the bottom of another support column 10.

[0045] See Figure 1 As shown, in one embodiment, the connection between the rod 21 and the support column 10 can be as follows: the end of the rod 21 away from the piston rod 222 is provided with a first connecting seat 23, and the upper part of the support column 10 is provided with a first connecting plate 12. The first connecting seat 23 and the first connecting plate 12 are hinged together. The first connecting seat 23 can be approximately U-shaped, and the first connecting plate 12 can be inserted into the U-shaped groove of the first connecting seat 23. Furthermore, the first connecting seat 23 and the first connecting plate 12 can each be provided with a hinge hole for a hinge shaft to pass through.

[0046] Optionally, the rod 21 and the first connecting seat 23 can be an integral structure. Alternatively, the first connecting seat 23 can be welded and fixed to the end of the rod 21.

[0047] Optionally, the first connecting plate 12 may be welded and fixed to the circumferential surface of the upper part of the support column 10.

[0048] Optionally, the rod 21 and the piston rod 222 can be connected and fixed by welding. Alternatively, in other embodiments, the rod 21 and the piston rod 222 bracket can be connected by threaded connection or other means.

[0049] See Figure 2 As shown, in one embodiment, the cylinder body 221 and the support column 10 are connected as follows: the cylinder body 221 is provided with a second connecting seat 24, and the bottom of the support column 10 is provided with a second connecting plate 13. The second connecting seat 24 and the second connecting plate 13 are hinged together. The second connecting seat 24 can be approximately U-shaped, and the second connecting plate 13 can be inserted into the U-shaped groove of the second connecting seat 24. Furthermore, the second connecting seat 24 and the second connecting plate 13 can each be provided with a hinge hole for a hinge shaft to pass through.

[0050] Optionally, the cylinder body 221 and the second connecting seat 24 can be an integral structure. Alternatively, the second connecting seat 24 can be welded and fixed to the bottom of the cylinder body 221.

[0051] Optionally, the second connecting plate 13 can be welded to the circumferential surface of the bottom of the supporting column 10. For example, one side of the first connecting plate 12 can be welded to the circumferential surface of the bottom end of the supporting column 10, and the other side can be welded to the base plate 11 at the bottom end of the supporting column 10.

[0052] In this embodiment of the invention, the adjusting member 22 is a telescopic structure, such as a hydraulic cylinder, which can adjust its own length to adjust the tension of the pull rod assembly 20. However, the invention is not limited to this. In other embodiments, the adjusting member 22 can adjust the length of the rod 21 to adjust the tension of the pull rod assembly 20, and the specific configuration can be determined according to actual needs. For example, the rod 21 is a telescopic structure, and the adjusting member 22 is used to drive the rod 21 to extend or retract.

[0053] See Figure 1 and Figure 3 In this invention, the detection device 30 is used to detect stress changes in the tie rod assembly 20 and / or the support column 10. For example, during operation, the pressure vessel 100, especially the hot water spherical tank in an air energy storage system, experiences frequent and drastic temperature changes (such as cycling from room temperature to 60℃~240℃), causing the tank body 101 to undergo periodic thermal expansion and contraction. This thermal expansion and contraction causes a horizontal displacement of the top of the support column 10 along the radial direction of the tank body 101, resulting in stress changes in the support column 10 itself. Furthermore, the displacement of the top of the support column 10 causes a change in the tension of the tie rod assembly 20 connected between two adjacent support columns 10. That is, the tie rod assembly 20 is subjected to tensile or compressive forces, resulting in corresponding tensile or compressive stress changes.

[0054] The detection device 30 of this utility model is used to detect the stress changes of the support column 10 and / or the tie rod assembly 20, thereby reflecting the degree of thermal expansion and contraction of the tank 101, and adjusting the tension of the tie rod assembly 20 accordingly to adapt to the thermal expansion and contraction of the tank 101.

[0055] refer to Figure 1 In one embodiment, the detection device 30 may include a displacement sensor 31, which may be disposed at the connection between the upper part of the support column 10 and the tie rod assembly 20. The displacement sensor 31 can detect the displacement changes of the tie rod assembly 20 and / or the support column 10, thereby indirectly obtaining the stress changes of the tie rod assembly 20 and / or the support column 10.

[0056] For example, the displacement sensor 31 can be installed on the first connecting plate 12 of the support column 10. When the support column 10 is displaced due to the thermal expansion and contraction of the tank 101, the first connecting plate 12 is displaced accordingly, and this displacement change can be detected by the displacement sensor 31.

[0057] Alternatively, in other embodiments, the displacement sensor 31 may also be located at the end of the rod 21 away from the piston rod 222, and can detect displacement changes of the extension or shortening of the pull rod assembly 20. The specific settings can be configured according to actual needs.

[0058] Optionally, the displacement sensor 31 can be a magnetic scale displacement sensor 31 or a strain gauge displacement sensor 31, whichever can be selected according to actual needs, as long as it can detect the displacement changes of the tie rod assembly 20 and / or the support column 10.

[0059] In this embodiment, the displacement sensor 31 can be installed in contact at the connection between the support column 10 and the tie rod assembly 20, and can accurately measure the strain of the tie rod assembly 20, thereby facilitating the control device 40 to accurately control the action of the hydraulic cylinder.

[0060] It is understood that in other embodiments, the detection device 30 may also include a tension / compression sensor, which may be disposed at the connection between the upper part of the support column 10 and the rod 21, and may detect the changes in tension and compression at the corresponding position, thereby detecting the stress changes of the tie rod assembly 20 and / or the support column 10.

[0061] See Figure 3 In this invention, the control device 40 is used to control the action of the adjusting member 22 according to the detection signal detected by the detection device 30, such as the displacement signal, so as to compensate for the preload of the tie rod assembly 20.

[0062] For example, taking the adjusting component 22 as a hydraulic cylinder, the control device 40 may include a controller 41 and a servo valve 42. The controller 41 is connected to the detection device 30 and the servo valve 42. The servo valve 42 is located on the oil supply line of the hydraulic cylinder, and the controller 41 is used to control the opening degree of the servo valve 42 according to the detection signal detected by the detection device 30.

[0063] The controller 41 can be a programmable logic controller (PLC) or an embedded controller. The controller 41 can receive signals from the detection device 30, such as the displacement sensor 31, and send control signals to the servo valve 42.

[0064] After receiving the control signal from the controller 41, the servo valve 42 changes the opening of its valve port, thereby adjusting the flow and pressure of the hydraulic oil. The hydraulic oil entering the hydraulic cylinder pushes the piston rod 222, causing it to extend and retract, thus adjusting the tension of the tie rod assembly 20 and compensating for the preload of the tie rod assembly 20.

[0065] like Figure 3 As shown, in one embodiment, the support system 102 includes a pressure sensor 43, which is disposed on the oil supply line of the hydraulic cylinder and connected to the controller 41. In this embodiment, the pressure sensor 43 is used to detect the pressure of the hydraulic cylinder, that is, it can detect the pressure of the hydraulic oil in the cylinder.

[0066] The controller 41 can receive the pressure signal from the pressure sensor 43, thereby enabling real-time monitoring of parameters such as the actual pressure of the hydraulic cylinder. Furthermore, the controller 41 can compare the pressure signal from the pressure sensor 43 with the control signal sent to the servo valve 42, adjusting the output of the servo valve 42 based on the error to ensure accurate extension and retraction of the piston rod 222 and maintain a stable preload on the tie rod assembly 20. In this embodiment, through dual feedback closed-loop control of displacement and pressure, the controller 41 can dynamically adjust the stroke of the hydraulic cylinder, allowing the tie rod assembly 20 to return to and maintain the set preload state.

[0067] In application, when the displacement sensor 31 detects displacement of the support column 10 and / or the tie rod assembly 20, the controller 41 receives the signal from the displacement sensor 31 and, after judgment, sends a control signal to the servo valve 42, causing the piston rod 222 of the hydraulic cylinder to extend or retract. This achieves adjustable overall length of the tie rod assembly 20, enabling it to adapt to the radial displacement at the top of the support column 10 caused by the thermal expansion and contraction of the tank 101 and compensate for the preload force. This ensures that the preload force of the tie rod assembly 20 remains within the designed safe range during the thermal expansion and contraction of the tank 10, thereby effectively improving the stability and safety of the pressure vessel 100.

[0068] In application, the support system 102 of this embodiment can be configured with a strain safety threshold and a rated preload of the tie rod assembly 20. For example, the strain safety threshold can be a safety threshold for the extension / retraction of the tie rod assembly 20, such as ±50mm. That is, the extension / retraction of the tie rod assembly 20 due to thermal expansion and contraction of the tank 101 should not exceed ±50mm. If the extension / retraction of the tie rod assembly 20 exceeds ±50mm, it indicates that the tie rod assembly 20 is either too loose or too tight, and the tension of the tie rod assembly 20 needs to be adjusted.

[0069] It is understood that in other embodiments, the strain safety threshold may also be the displacement safety threshold of the support column 10. When the support column 10 is affected by the thermal expansion and contraction of the tank 101 and its displacement exceeds the displacement safety threshold, the tension of the tie rod assembly 20 needs to be adjusted.

[0070] Alternatively, the strain safety threshold can also be the tensile and compressive safety threshold of the tie rod assembly 20, which can be set according to actual needs.

[0071] Optionally, the rated preload of the tie rod assembly 20 can be set to 150 kN. That is, during the use of the pressure vessel 100, the preload of the tie rod assembly 20 should be maintained at 150 kN. If the preload of the tie rod assembly 20 changes due to the thermal expansion and contraction of the tank body 101, the tension of the tie rod assembly 20 needs to be adjusted to maintain the tie rod assembly 20 at the rated preload.

[0072] It is understandable that the rated preload is a fixed design target value, but in actual applications, a certain range of fluctuation is allowed depending on the specific working conditions and testing standards.

[0073] Subsequently, the controller 41 acquires the stress changes of the tie rod assembly 20 and / or the support column 10 detected by the detection device 30, and determines whether the stress changes are within the strain safety threshold.

[0074] For example, the detection device 30 can be a displacement sensor 31, which can be used to detect the extension and retraction of the tie rod assembly 20. The displacement sensor 31 can send the detected signal to the controller 41. The controller 41 receives the signal from the displacement sensor 31 and can calculate whether the extension and retraction of the tie rod assembly 20 is within the safe threshold of the extension and retraction of the tie rod assembly 20, for example, ±50mm.

[0075] Finally, the controller 41 can control the adjusting member 22 to operate based on the judgment result, so that the tie rod assembly 20 maintains the rated preload. For example, the adjusting member 22 can be a hydraulic cylinder. When the controller 41 determines that the extension and retraction of the tie rod assembly 20 exceeds the safe threshold of the extension and retraction of the tie rod assembly 20, the controller 41 can control the piston rod 222 of the hydraulic cylinder to extend and retract to compensate for the extension and retraction of the tie rod assembly 20, so that the tie rod assembly 20 maintains the rated preload.

[0076] As can be understood, as mentioned above, a pressure sensor 43 can be installed on the oil supply line of the hydraulic cylinder. The controller 41 can also receive the pressure signal fed back by the pressure sensor 43 to ensure that the extension and retraction position of the piston rod 222 is accurate and to ensure that the tie rod assembly 20 is maintained in a stable state with rated preload.

[0077] For example, when the thermal expansion of the pressure vessel 100 causes the support column 10 to slide outward radially, resulting in the tie rod assembly 20 undergoing tensile deformation exceeding the safety threshold of the extension amount, the control adjustment member 22 extends to compensate for the extension amount of the tie rod assembly 20 and maintain the tie rod assembly 20 at the rated preload.

[0078] In this embodiment, for example, when the pressure vessel 100 expands thermally, causing the support column 10 to slide outward radially, resulting in tensile deformation of the tie rod assembly 20, if the elongation of the tie rod assembly 20 exceeds 50mm, the controller 41 can control the piston rod 222 of the hydraulic cylinder to extend by a corresponding length, for example, 50mm. This achieves the purpose of compensating for the elongation of the tie rod assembly 20, allowing it to return to the set preload state. That is, the tie rod assembly 20 can maintain its rated preload.

[0079] Alternatively, when the pressure vessel 100 shrinks due to cold, causing the support column 10 to slide radially inward, resulting in the tie rod assembly 20 undergoing compressive deformation exceeding the safety threshold of the extension and contraction, the control adjustment element 22 shortens to compensate for the shortening of the tie rod assembly 20 and maintains the tie rod assembly 20 at the rated preload.

[0080] In this embodiment, for example, when the pressure vessel 100 contracts due to cold, causing the support column 10 to slide radially inward, resulting in compressive deformation of the tie rod assembly 20, if the shortening of the tie rod assembly 20 exceeds 50mm, the controller 41 can control the piston rod 222 of the hydraulic cylinder to retract by the corresponding length, for example, 50mm. This achieves the purpose of compensating for the shortening of the tie rod assembly 20, allowing it to return to the set preload state. That is, the tie rod assembly 20 can maintain its rated preload.

[0081] The support system of this utility model embodiment includes an adjustable component that can adjust its own length or the length of the adjusting rod to adjust the tension of the tie rod assembly. This makes the overall length of the tie rod assembly adjustable and allows it to adapt to the radial displacement at the top of the support column caused by the thermal expansion and contraction of the tank, compensating for the preload. This ensures that the preload of the tie rod assembly remains within the design safety range during the thermal expansion and contraction of the tank, thereby effectively improving the stability and safety of the pressure vessel.

[0082] Furthermore, by incorporating detection and control devices, the detection device can monitor stress changes in the tie rod assembly and / or support column, while the control device can adjust the movement of the regulating components based on signals from the detection device to compensate for preload in the tie rod assembly. This enables real-time, automated, and precise control of the tie rod assembly's preload, significantly improving the safety and reliability of pressure vessel operation.

[0083] The support system of this utility model embodiment has a control device that can synchronously and precisely control the movement of each adjusting component, thereby ensuring the synchronicity and uniformity of the force on each tie rod assembly, improving the stability of the support system, and enhancing the safety and reliability of the pressure vessel operation.

[0084] The above embodiments are merely illustrative examples of structures. The structures in each embodiment are not fixed combinations. In the absence of structural conflicts, the structures in multiple embodiments can be arbitrarily combined and used.

[0085] Although the present invention has been described with reference to several typical embodiments, it should be understood that the terminology used is descriptive and exemplary, and not restrictive. Since the present invention can be embodied in many forms without departing from the spirit or essence of the invention, it should be understood that the above embodiments are not limited to any of the foregoing details, but should be interpreted broadly within the spirit and scope defined by the appended claims. Therefore, all variations and modifications falling within the scope of the claims or their equivalents should be covered by the appended claims.

Claims

1. A support system, characterized in that, include: Multiple support columns are evenly arranged circumferentially. The top of each support column is used to connect to the tank body of the pressure vessel, and the bottom of each support column is used to fix it to the bearing surface. Two tie rod assemblies are crosswise arranged between two adjacent support columns. The two ends of each tie rod assembly are connected to the two adjacent support columns. Each tie rod assembly includes a rod body and an adjusting member. The adjusting member is connected to the rod body and is used to adjust its own length or the length of the rod body to adjust the tension of the tie rod assembly. A detection device is disposed between the tie rod assembly and the support column, and is used to detect stress changes in the tie rod assembly and / or the support column; A control device is connected to the detection device and the adjusting member, and is used to control the adjusting member to move according to the detection signal detected by the detection device, so as to compensate for the preload of the tie rod assembly.

2. The support system according to claim 1, characterized in that, The adjusting component is a telescopic structure, and its length can be adjusted to adjust the tension of the pull rod assembly.

3. The support system according to claim 2, characterized in that, The adjusting component is a hydraulic cylinder, which includes a cylinder body and a piston rod. The cylinder body and the piston rod are respectively connected to the piston rod and the support column.

4. The support system according to claim 3, characterized in that, One end of the rod is connected to the upper part of one of the supporting columns, the other end of the rod is connected to the piston rod, and the cylinder is connected to the bottom of another supporting column.

5. The support system according to claim 4, characterized in that, The end of the rod away from the piston rod is provided with a first connecting seat, and the upper part of the support column is provided with a first connecting plate, and the first connecting seat is hinged to the first connecting plate; The cylinder body is provided with a second connecting seat, and the bottom of the support column is provided with a second connecting plate. The second connecting seat and the second connecting plate are hinged together.

6. The support system according to claim 3, characterized in that, The control device includes a controller and a servo valve. The controller is connected to the detection device and the servo valve. The servo valve is installed on the oil supply line of the hydraulic cylinder. The controller is used to control the opening degree of the servo valve according to the detection signal detected by the detection device.

7. The support system according to claim 6, characterized in that, The system includes a pressure sensor, which is installed on the oil supply line of the hydraulic cylinder and connected to the controller. The pressure sensor is used to detect the pressure of the hydraulic cylinder.

8. The support system according to claim 1, characterized in that, The detection device includes a displacement sensor, which is disposed at the connection between the upper part of the support column and the tie rod assembly. The displacement sensor is used to detect the displacement changes of the tie rod assembly and / or the support column.

9. The support system according to claim 8, characterized in that, The displacement sensor is a magnetic scale displacement sensor or a strain gauge displacement sensor.

10. A pressure vessel, characterized in that, It includes a tank body and a support system as described in any one of claims 1 to 9, wherein the top of each of the support columns is connected to the outer wall of the tank body.

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