Large vertical storage tank

Abstract

The present invention provides a large vertical storage tank, which includes an inner tank and a reinforcement ring arranged on the top of the inner tank, and the wing plate and the web of the top reinforcement ring are enclosed to form a circular track. The large vertical storage tank also includes a translation structure, a hanging basket assembly, and a guide part. The translation structure moves along the circular track, and the translation structure includes a mobile frame, a running wheel installed on the mobile frame, and a cantilever. The cantilever has a transverse beam extending toward the inner side wall of the inner tank. The hanging basket assembly is hung on the cantilever and can be raised and lowered relative to the cantilever. The guide part is correspondingly arranged at the end of the transverse beam, and the guide part is movably connected to the inner side wall of the inner tank. The guide part can move with the mobile frame to drive the hanging basket assembly to move circumferentially. Thereby, the hanging basket assembly can move freely in all directions up, down, left, and right, and can reach all positions on the wall plate of the inner tank, thereby reducing the labor intensity of workers in disassembling temporary fixtures, improving work efficiency, and facilitating safe operation.

Description

Technical Field

[0001] The invention relates to the technical field of vertical storage tanks, in particular to a large vertical storage tank. Background Art

[0002] As the demand for natural gas increases, the construction of large full-containment storage tanks capable of storing large amounts of LNG (liquefied natural gas) has developed rapidly.

[0003] Large full-containment storage tanks include an inner tank for storing LNG, an outer tank covering the inner tank, an insulation system between the inner and outer tanks, and a thermal corner protection system on the bottom of the outer tank. Among them, the inner tank is composed of a stainless steel inner tank bottom plate, a stainless steel inner tank wall plate, and an aluminum alloy ceiling light. The construction of the inner tank body currently mostly adopts the positive installation method. The positive installation method is a construction method that uses the bottom of the inner tank as the reference plane, first installs the bottom wall plate of the inner tank, and then welds and assembles the wall plates layer by layer from bottom to top until the top wall plate is installed.

[0004] During the installation process, construction workers will use a wall-mounted work platform to weld the wall panels. Usually, temporary fixtures are welded on the tank wall of the inner tank to connect with the work platform, and the work platform is raised as the wall panels are raised layer by layer. When the work platform is lifted to the top of the tank, a large number of temporary fixtures will be left on the tank wall. These temporary fixtures should avoid damaging the surface of the wall panels when they are removed. The welding parts of the temporary fixtures need to be polished smooth, and the welding parts need to be tested by penetrant flaw detection. Therefore, the installation and removal of the above-mentioned large number of temporary fixtures are relatively cumbersome, labor-intensive, and inefficient. Moreover, under the premise that large cranes are not allowed to enter the LNG storage tank, the loading and unloading operations of temporary fixtures located at high places are more difficult. Summary of the invention

[0005] The purpose of the present invention is to provide a large vertical storage tank to solve the problem that it is difficult and cumbersome to remove a large number of temporary fixtures on the inner wall of the vertical storage tank in the prior art, which leads to high labor intensity and low work efficiency.

[0006] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0007] A large vertical storage tank, comprising an inner tank and a reinforcement ring arranged on the top of the inner tank, the top reinforcement ring comprising a wing plate and a web plate, the web plate being vertically connected to the inner wall of the inner tank, the wing plate being vertically connected to one end of the web plate away from the inner wall, the web plate and the wing plate enclosing a circular track; the large vertical storage tank also comprises: a translation structure, which moves along the circular track, the translation structure comprising a moving frame, a walking wheel and a cantilever mounted on the moving frame, the walking wheel rollingly contacts with the upper end surface of the web plate to drive the moving frame to move, the cantilever is connected and fixed to the moving frame and is located below the web plate, the cantilever has a transverse beam extending toward the inner side wall of the inner tank; a hanging basket assembly, which is hung on the cantilever and can be lifted up and down relative to the cantilever; a guide portion, which is correspondingly arranged at the end of the transverse beam, the guide portion is movably connected to the inner side wall of the inner tank, and the guide portion can move together with the moving frame to drive the hanging basket assembly to move circumferentially.

[0008] According to one embodiment of the present invention, the guide portion is a guide roller rotatably disposed at the end of the transverse beam; the guide roller is vertically oriented toward the inner wall of the inner tank so as to be in rolling contact with the inner wall.

[0009] According to one embodiment of the present invention, the guide portion further includes two mounting plates relatively arranged on the ends of the transverse beam; the two mounting plates are correspondingly provided with through holes, the guide roller is clamped between the two mounting plates, and is passed through the through holes through a matching roller.

[0010] According to one embodiment of the present invention, the translation structure also includes a side plate and a lateral roller; the side plate is arranged below the movable frame, and the side plate faces the side wall of the wing plate; the lateral roller is arranged on the side plate, and the lateral roller is in rolling contact with the side wall of the wing plate.

[0011] According to one embodiment of the present invention, the lateral roller is vertically facing the side wall of the wing plate, and the lateral roller has a vertical axis perpendicular to the web as its rotation axis; the walking wheel is vertically erected on the upper end surface of the web, and the walking wheel has a horizontal axis perpendicular to the wing plate as its rotation axis.

[0012] According to an embodiment of the present invention, the mobile frame includes a plurality of connecting beams, which are sequentially connected end to end and enclosed to form a rectangular frame structure; the walking wheels are evenly distributed around the periphery of the mobile frame.

[0013] According to one embodiment of the present invention, the connecting beam includes a plurality of transverse connecting beams and a plurality of extension beams; the extension beam is in an arc shape so as to extend circumferentially along the annular track; the extension direction of the transverse connecting beam is consistent with the radial direction of the annular track, and one end of the transverse connecting beam away from the inner wall of the inner tank extends beyond the wing plate and is connected to the cantilever.

[0014] According to one embodiment of the present invention, the cantilever is an integrally formed structure, including a vertical beam and a transverse beam that are connected by bending; the vertical beam is vertical and parallel to the wing plate, and the upper end of the vertical beam is connected and fixed to the movable frame; the transverse beam is horizontally arranged at the lower end of the vertical beam.

[0015] According to one embodiment of the present invention, the hanging basket assembly includes a hanging rope, a suspension platform and a lifting drive member; the lifting drive member is fixed on the suspension platform, and the hanging rope is respectively connected to the lifting drive member and the cantilever, so that the suspension platform is relatively lifted and lowered under the drive of the lifting drive member.

[0016] According to one embodiment of the present invention, the hanging basket assembly further comprises a supporting crossbeam and a lifting lug; the supporting crossbeam is horizontally placed on the transverse beam and is welded and fixed to the transverse beam; the lifting lugs are respectively arranged at both ends of the axis along the upper side of the supporting crossbeam, and the lifting lugs are connected and fixed to the lifting rope. It can be seen from the above technical solution that the large vertical storage tank provided by the present invention has at least the following advantages and positive effects:

[0017] The large vertical storage tank in the present invention utilizes the structural characteristics of the large LNG storage tank itself. Under the premise that a large crane cannot be used inside the storage tank, a wall-mounted hanging basket assembly is designed, which makes the removal of temporary fixtures safe and convenient. Specifically, the translation structure can drive the hanging basket assembly to move along the annular track through the rolling of the running wheels on the belly plate. Furthermore, the guide part is movably connected to the inner wall of the inner tank, so that the guide part can move with the moving frame to guide the circumferential movement of the hanging basket assembly. In this way, the hanging basket assembly itself has the function of being able to rise and fall, and coupled with the moving function of the translation structure, the hanging basket assembly can be freely moved in all directions up, down, left and right, and can reach all positions on the wall plate of the inner tank, reducing the labor intensity of workers in disassembling temporary fixtures, improving work efficiency, and facilitating safe operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic structural diagram of a large vertical storage tank in an embodiment of the present invention.

[0019] Figure 2 Schematic diagram of the connection structure between the translation structure and the guide part in the first viewing angle in an embodiment of the present invention.

[0020] Figure 3 Schematic diagram of the connection structure between the translation structure and the guide part in the second viewing angle in an embodiment of the present invention.

[0021] The description of the accompanying drawings is as follows: 100-large vertical storage tank, 1-inner tank, 11-wall panel, 12-top reinforcement ring, 121-wing plate, 122-web plate, 2-translation structure, 21-movable frame, 211-transverse connecting beam, 212-extension beam, 22-traveling wheel, 23-mounting plate, 24-lateral roller, 25-side plate, 26-cantilever, 261-vertical beam, 262-transverse beam, 3-guide part, 4-hanging basket assembly, 41-support beam, 42-lifting ear, 43-lifting rope, 44-suspension platform. DETAILED DESCRIPTION

[0022] Typical embodiments that embody the features and advantages of the present invention will be described in detail in the following description. It should be understood that the present invention can have various changes in different embodiments without departing from the scope of the present invention, and the descriptions and illustrations therein are essentially used for illustration purposes rather than for limiting the present invention.

[0023] This embodiment provides a large vertical storage tank 100. The large vertical storage tank 100 is a fully contained storage tank, which mainly includes an inner tank 1 for storing a low-temperature medium, an outer tank surrounding the inner tank 1, an insulating interlayer between the inner tank 1 and the outer tank, a tank bottom insulation layer, and a ceiling insulation layer.

[0024] The inner tank 1 includes a plurality of wall panels 11. The wall panels 11 are usually assembled by the upright method, first installing the wall panels 11 at the bottom, and then assembling, welding and lifting the wall panels 11 layer by layer from top to bottom, alternating operations until all the wall panels 11 are assembled and spliced ​​to form a complete cylindrical inner tank 1. After the wall panels 11 of the inner tank 1 are assembled, a large number of temporary fixtures will be left on the wall panels 11, resulting in a large amount of dismantling work.

[0025] The inner tank 1 will not only withstand the pressure of containing low-temperature liquefied natural gas (LNG), but also the internal pressure generated by the vaporization of LNG; therefore, in order to enhance the pressure-bearing performance and safety of the inner tank 1, a top reinforcement ring 12 and an intermediate reinforcement ring are provided on the wall panel 11 of the inner tank 1.

[0026] Please refer to Figure 1 As shown, the top reinforcement ring 12 is arranged at the top of the inner tank 1, at the junction of the inner tank 1 wall and the tank top, to share the circumferential stress of the inner tank 1 wall.

[0027] The top reinforcing ring 12 includes a wing plate 121 and a web plate 122, both of which are annular. The web plate 122 is arranged horizontally and vertically connected to the inner wall of the inner tank 1. The wing plate 121 is arranged vertically and vertically connected to the end of the wing plate 121 and the web plate 122 away from the wall of the inner tank 1. In this way, the cross section of the top reinforcing ring 12 is T-shaped. The upper end surface of the web plate 122, the side surface of the wing plate 121 and the wall of the inner tank 1 together enclose a circular track.

[0028] The large vertical storage tank 100 provided in this embodiment utilizes the structural characteristics of the top reinforcement ring 12 and designs a wall-mounted hanging basket assembly 4 that can move along the above-mentioned annular track, so that the hanging basket assembly 4 can freely reach all positions on the wall panel 11 of the inner tank 1, making the removal operation of the temporary fixture safe and convenient.

[0029] Please refer to Figure 2 Combined with Figure 1 The large vertical storage tank 100 is provided with a translation structure 2, a guide part 3 and a hanging basket assembly 4. The translation structure 2 and the guide part 3 cooperate with each other so that the hanging basket assembly 4 can move freely in all directions of up, down, left and right.

[0030] The translation structure 2 can move along the circular track.

[0031] Specifically, the translation structure 2 includes a moving frame 21 and running wheels 22 , side plates 25 , lateral rollers 24 and a cantilever 26 installed on the moving frame 21 .

[0032] The mobile frame 21 is a mobile carrier, which mainly includes a plurality of connecting beams made of channel steel. The plurality of connecting beams are sequentially connected end to end to enclose a rectangular frame structure of the mobile frame 21 .

[0033] The connecting beams are divided into transverse connecting beams 211 and extension beams 212. Taking the mobile frame 21 itself as a reference, the transverse connecting beams 211 are arranged along the width direction of the mobile frame 21. During the movement of the mobile frame 21, the extension direction of the transverse connecting beams 211 is consistent with the radial direction of the annular track; and the extension beams 212 are arranged along the length direction of the mobile frame 21. During the movement of the mobile frame 21, the extension beams 212 extend along the circumferential direction of the annular track.

[0034] The transverse connecting beam 211 is higher than the upper end of the wing plate 121 in the horizontal plane, and one end of the transverse connecting beam 211 away from the wall plate 11 of the inner tank 1 exceeds the wing plate 121 to be connected and fixed to the cantilever 26.

[0035] Preferably, the extension beam 212 is in an arc shape. In this way, the extension beam 212 can adaptably fit the arc profile of the annular track, thereby improving the smoothness of the turning of the mobile frame 21 on the annular track and ensuring the stability and flexibility of the entire translation structure 2 during movement.

[0036] The running wheels 22 are evenly distributed around the periphery of the moving frame 21 .

[0037] In this embodiment, the number of the running wheels 22 is specifically four, and the four running wheels 22 are respectively arranged on the four corners of the moving frame 21 .

[0038] During the movement, the running wheel 22 stands vertically on the upper end surface of the web 122, and the running wheel 22 rolls in contact with the upper end surface of the web 122. The running wheel 22 rolls with the horizontal axis perpendicular to the wing plate 121 as the rotation axis to drive the moving frame 21 to move along the annular track.

[0039] Each running wheel 22 is fixed to the bottom of the mobile frame 21 through a correspondingly configured mounting plate 23. Specifically, two opposing mounting plates 23 are provided at a certain position on the transverse connecting beam 211 corresponding to the mounting of the running wheel 22. The mounting plate 23 is vertically connected to the transverse connecting beam 211. Through holes are correspondingly provided in the two mounting plates 23, and the running wheel 22 is sandwiched between the two mounting plates 23, and is penetrated in the through hole through an adapted roller, so that the running wheel 22 forms a rolling connection with the roller.

[0040] Please refer to further Figure 3 , the lateral roller 24 is arranged on one side of the mobile frame 21 through the side plate 25. Different from the rolling contact between the running wheel 22 and the web 122, the lateral roller 24 is in rolling contact with the wing plate 121, and the lateral roller 24 can make the turning of the entire mobile frame 21 smoother and more stable.

[0041] The side plate 25 is specifically arranged below the moving frame 21, and the side plate 25 faces the side wall of the wing plate 121. Taking the moving frame 21 itself as a reference, the side plate 25 is arranged along the length direction of the moving frame 21. Preferably, the side plate 25 is also arc-shaped, and the side plate 25 extends along the circumference of the annular track.

[0042] The lateral roller 24 is disposed on the side of the side plate 25 facing the wing plate 121. Specifically, the lateral roller 24 is also fixed to the side plate 25 through two mounting plates 23 parallel to the web 122. The lateral roller 24 is sandwiched between the two mounting plates 23, and the lateral roller 24 can be vertically oriented toward the side wall of the wing plate 121 and in rolling contact with the side wall of the wing plate 121. During the movement of the moving frame 21, the lateral roller 24 rolls circumferentially on the side wall of the wing plate 121 with the vertical axis perpendicular to the web 122 as the rotation axis.

[0043] The cantilever 26 is used to support the hanging basket assembly 4. The cantilever 26 is connected and fixed to the end portion extending from the transverse connecting beam 211 so as to be located outside the circumferential track.

[0044] The cantilever 26 is an integrally formed structure.

[0045] The cantilever 26 includes a vertical beam 261 and a horizontal beam 262 which are bent and connected to form an L-shape.

[0046] The vertical beam 261 is vertical and is arranged parallel to and spaced from the wing plate 121 . The upper end of the vertical beam 261 is connected and fixed to the transverse connecting beam 211 , and the lower end of the vertical beam 261 is connected and fixed to the transverse beam 262 .

[0047] The transverse beam 262 is in a transverse shape, and the transverse beam 262 extends vertically toward the inner wall of the inner tank 1. Specifically, the hanging basket assembly 4 is hung on the transverse beam 262.

[0048] In this embodiment, the cantilever 26 is made of channel steel material, which has the advantages of light weight and good strength. The cross-sections of the vertical beam 261 and the transverse beam 262 are both groove-shaped, and the openings of the vertical beam 261 and the transverse beam 262 face the inner wall of the inner tank 1. Therefore, the force point of the transverse beam 262 bearing the hanging basket assembly 4 falls on the wing plate of the transverse beam 262.

[0049] The guide portion 3 is disposed at the end of the transverse beam 262 facing the inner wall of the inner tank 1 .

[0050] The guide portion 3 is movably connected to the inner wall of the inner tank 1, so that the guide portion 3 can move together with the moving frame 21 to guide the hanging basket assembly 4 to move circumferentially along the annular track, thereby ensuring the stability of the movement.

[0051] In this embodiment, the guide portion 3 is a guide roller rotatably disposed at the end of the transverse beam 262 .

[0052] The guide roller is fixed on the transverse beam 262 through two mounting plates 23 parallel to the web 122 of the transverse beam 262. The guide roller is clamped between the two mounting plates 23, and the guide roller is perpendicular to the inner wall of the inner tank 1 and rolls with the inner wall. During the movement of the moving frame 21, the guide roller is attached to the inner wall with a vertical axis perpendicular to itself as the rotation axis and rolls circumferentially.

[0053] In other embodiments, the guide part 3 is not limited to the guide roller. For example, a circle of guide grooves is provided on the inner wall of the inner tank 1, and the guide part 3 can be a component such as a slider slidably embedded in the guide groove.

[0054] It is worth noting that in this embodiment, the transverse connecting beam 211, the cantilever 26 and the guide part 3 are correspondingly arranged, and the number of the three is two. The vertical beams 261 of the two cantilever arms 26 are located on the same vertical plane. When there are two guide parts 3, there is no doubt that the two guide parts 3 are naturally located on the circumference of the same circle on the horizontal plane; therefore, the two guide parts 3 can contact the inner wall of the inner tank 1 at the same time.

[0055] In other embodiments, when the number of guide portions 3 is more than three, the vertical beams 261 of the corresponding multiple cantilevers 26 need to be located on the same annular side surface, so that the guide rollers are circumferentially spaced on the same circle, thereby ensuring that all guide portions 3 can contact the inner wall of the inner tank 1.

[0056] The hanging basket assembly 4 is hung on the transverse beam 262 of the cantilever 26 and can be raised and lowered relative to the transverse beam 262 .

[0057] Specifically, the hanging basket assembly 4 is an electric hanging basket device, which mainly includes a supporting beam 41, a hanging rope 43, a suspension platform 44 and a lifting drive member (not shown).

[0058] The supporting crossbeam 41 is horizontally placed on the transverse beam 262. Both ends of the supporting crossbeam 41 along its own axis extend beyond the parallel transverse beams 262, so that the supporting crossbeam 41 is supported by the two transverse beams 262. Both ends of the supporting crossbeam 41 in the length direction are provided with lifting ears 42.

[0059] In this embodiment, the supporting beam 41 is a cylindrical structure.

[0060] The support beam 41 is placed horizontally on the transverse beam 262 and fixed on the transverse beam 262 by welding. In addition, the position of the welding point between the support beam 41 and the transverse beam 262 can be selectively adjusted so that the support beam 41 maintains an appropriate distance from the inner wall of the inner tank 1, which is convenient for the staff on the suspension platform 44 to operate the temporary fixture.

[0061] The suspension platform 44 is used to carry workers and provide them with an operating space for disassembling temporary fixtures.

[0062] The lifting drive member is fixedly arranged on the suspension platform 44. In the present embodiment, the lifting drive member is an electric device such as a hoist or a winch.

[0063] The suspension rope 43 is connected to the output shaft of the lifting drive and the lifting lug 42 respectively, so as to suspend the suspension platform 44 on the transverse beam 262. Moreover, under the drive of the lifting drive, the suspension platform 44 can be lifted up and down relative to the transverse beam 262. In this way, the staff can freely move in all directions of up, down, left, and right on the suspension platform 44, and can reach all positions on the wall plate 11 of the inner tank 1 from any angle, remove and grind all temporary fixtures on the wall plate 11 without dead angles, and perform penetration detection, and can carefully inspect the suspicious areas of the wall plate 11.

[0064] In summary, the large vertical storage tank 100 provided in this embodiment has the following advantages and positive effects:

[0065] 1. The large vertical storage tank 100 of the present invention utilizes the structural characteristics of the large LNG storage tank itself and designs a wall-mounted hanging basket assembly 4, thereby eliminating the need for a large crane, which not only saves construction costs but also reduces the damage to the bottom of the vertical storage tank caused by large machinery.

[0066] 2. Utilize the translation structure 2 and the hanging basket assembly 4. Specifically, the hanging basket assembly 4 can be lifted and lowered. The translation structure 2 can drive the hanging basket assembly 4 to move along the annular track by rolling the running wheels 22 on the web 122. In this way, all temporary fixtures on the wall plate 11 of the inner tank 1 can be completely removed, and continuous and uninterrupted operation can be achieved without being affected by other factors, which can effectively ensure the construction period of the inner tank 1.

[0067] 3. The guide part 3 is in rolling connection with the inner wall of the inner tank 1. The guide part 3 can move with the moving frame 21 to guide the hanging basket assembly 4 to move circumferentially along the annular track, thereby ensuring the stability of the movement.

[0068] 4. The hanging basket assembly 4 is an electric hanging basket device, which is easy to operate and has good safety, ensuring the safety of the staff's work.

[0069] Although the present invention has been described with reference to several typical embodiments, it should be understood that the terms used are illustrative and exemplary, rather than restrictive. Since the present invention can be embodied in a variety of 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, so all changes and modifications falling within the scope of the claims or their equivalents should be covered by the appended claims.

Claims

1. A large vertical storage tank, characterized in that: It includes an inner tank and a reinforcement ring arranged on the top of the inner tank, the top reinforcement ring includes a wing plate and a web plate, the web plate is vertically connected to the inner wall of the inner tank, the wing plate is vertically connected to one end of the web plate away from the inner wall, and the web plate and the wing plate enclose a circular track; The large vertical storage tank also includes: A translation structure, which moves along the annular track, the translation structure comprises a moving frame, a running wheel and a cantilever mounted on the moving frame, the running wheel is in rolling contact with the upper end surface of the web to drive the moving frame to move, the cantilever is connected and fixed to the moving frame and is located below the web, and the cantilever has a transverse beam extending toward the inner side wall of the inner tank; A hanging basket assembly, which is hung on the cantilever and can be raised and lowered relative to the cantilever; A guide portion is correspondingly arranged at the end of the transverse beam, the guide portion is movably connected to the inner wall of the inner tank, and the guide portion can move together with the movable frame to drive the hanging basket assembly to move circumferentially.

2. The large vertical storage tank according to claim 1, characterized in that: The guide portion is a guide roller rotatably arranged at the end of the transverse beam; The guide roller is perpendicularly oriented toward the inner side wall of the inner tank so as to be in rolling contact with the inner side wall.

3. The large vertical storage tank according to claim 2, characterized in that: The guide portion further comprises two mounting plates disposed oppositely on the ends of the transverse beam; The two mounting plates are correspondingly provided with through holes, the guide roller is clamped between the two mounting plates and penetrates through the through holes through an adapted roller shaft.

4. The large vertical storage tank according to claim 1, characterized in that: The translation structure also includes side plates and lateral rollers; The side plate is arranged below the movable frame, and the side plate faces the side wall of the wing plate; The lateral roller is arranged on the side plate, and the lateral roller is in rolling contact with the side wall of the wing plate.

5. The large vertical storage tank according to claim 4, characterized in that: The lateral roller is perpendicular to the side wall of the wing plate, and the lateral roller has a vertical axis perpendicular to the web as a rotation axis; The running wheel is vertically erected on the upper end surface of the web, and the running wheel takes a horizontal axis vertical to the wing plate as a rotation axis.

6. The large vertical storage tank according to claim 1, characterized in that: The mobile frame includes a plurality of connecting beams, which are connected end to end in sequence and enclosed to form a rectangular frame structure; The running wheels are evenly distributed on the periphery of the moving frame.

7. The large vertical storage tank according to claim 6, characterized in that: The connecting beams include a plurality of transverse connecting beams and a plurality of extension beams; The extension beam is in an arc shape so as to extend along the circumference of the annular track; The extension direction of the transverse connecting beam is consistent with the radial direction of the circumferential track. One end of the transverse connecting beam away from the inner wall of the inner tank exceeds the wing plate and is connected to the cantilever.

8. The large vertical storage tank according to claim 1, characterized in that: The cantilever is an integrally formed structure, comprising a vertical beam and a transverse beam connected by bending; The vertical beam is vertical and parallel to the wing plate, and the upper end of the vertical beam is connected and fixed to the moving frame; The transverse beam is transversely arranged at the lower end of the vertical beam.

9. The large vertical storage tank according to claim 1, characterized in that: The hanging basket assembly includes a hanging rope, a suspension platform and a lifting drive member; The lifting drive member is fixed on the suspension platform, and the suspension ropes are respectively connected to the lifting drive member and the cantilever, so that the suspension platform can be relatively lifted and lowered under the drive of the lifting drive member.

10. The large vertical storage tank according to claim 9, characterized in that: The hanging basket assembly also includes a supporting beam and a lifting lug; The supporting crossbeam is horizontally placed on the transverse beam and is welded and fixed to the transverse beam; The lifting ears are respectively arranged at two ends of the axis along the upper side of the supporting crossbeam, and the lifting ears are connected and fixed to the lifting rope.

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