Ring beam structure

Abstract

The present invention relates to a ring beam structure for supporting a cryogenic storage tank, the ring beam structure comprising a plurality of prefabricated ring beam sections which are sequentially spliced ​​end to end; a protrusion is convexly provided on one splicing end surface of the prefabricated ring beam section, and a groove is concavely provided on the other splicing end surface; two adjacent prefabricated ring beam sections are aligned and clamped by the protrusion and the groove so that the plurality of prefabricated ring beam sections are spliced ​​to form a ring structure. In the ring beam structure of the embodiment of the present invention, the ring beam structure of the storage tank is divided into a plurality of prefabricated ring beam sections, and the prefabricated ring beam sections can be prefabricated in a factory according to the size of the storage tank and transported to the site for installation. During installation, the protrusion of the prefabricated ring beam section is aligned and clamped with the groove of the adjacent prefabricated ring beam section to achieve sequential splicing of the end to end into one piece. The alignment and splicing of the protrusion and the groove can maintain the integrity and stability of the ring beam structure; at the same time, the ring beam structure can be quickly assembled, which is convenient for shortening the construction period and saving on-site construction time.

Description

Technical Field

[0001] The invention relates to the technical field of cryogenic storage tanks, and in particular to a ring beam structure. Background Art

[0002] Ring beams are mainly used to strengthen the integrity and stability of buildings, reduce uneven settlement, and serve as structural measures for earthquake resistance.

[0003] In a cryogenic storage tank, the ring beam is located under the tank wall of the main container of the tank, and is used to support the load transferred from the main container wall to the insulation material; and convert the tank wall linear load into a uniform surface load, ensuring that the insulation material is evenly compressed, thereby effectively transferring the load from the main container of the tank to the reinforced concrete cap. In addition, the ring beam provides a flat and solid operating surface for the bottom of the tank wall, which is conducive to the leveling and installation of the tank wall.

[0004] In the related art, the ring beam structure of the cryogenic storage tank is usually directly cast in place with reinforced concrete on the construction site. This method has poor crack resistance, many on-site processes, large site area requirements, long construction period, and low efficiency. In addition, during the construction process, it is easy to cause damage to the insulation material under the ring beam and the related channels at the bottom, which has a great adverse impact. Summary of the invention

[0005] The object of the present invention is to provide a ring beam structure which, through reasonable structural design, ensures integrity and stability while enabling rapid splicing and effectively shortening the construction period.

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

[0007] According to one aspect of the present invention, there is provided a ring beam structure for supporting a cryogenic storage tank, the ring beam structure comprising a plurality of prefabricated ring beam segments which are spliced ​​end to end in sequence; a protrusion is convexly provided on one splicing end face of the prefabricated ring beam segment, and a groove is concavely provided on another splicing end face of the prefabricated ring beam segment which matches the protrusion; two adjacent prefabricated ring beam segments are aligned and clamped with the protrusion and the groove through the splicing end face so that the plurality of prefabricated ring beam segments are spliced ​​to form a ring structure.

[0008] In some embodiments of the present application, the prefabricated ring beam segment has an inner side surface and an outer side surface; the inner side surfaces of multiple prefabricated ring beam segments are assembled to form an inner circumferential surface of the annular structure; the outer side surfaces of multiple prefabricated ring beam segments are assembled to form an outer circumferential surface of the annular structure; in the circumferential direction of the annular structure, the length of the inner side surface is smaller than the length of the outer side surface.

[0009] In some embodiments of the present application, the inner side surface and the outer side surface of the prefabricated ring beam segment are both planes.

[0010] In some embodiments of the present application, the structures and sizes of the multiple prefabricated ring beam segments are the same.

[0011] In some embodiments of the present application, a steel skeleton is provided in the prefabricated ring beam segment; and the prefabricated ring beam segment is made by pouring concrete with the steel skeleton.

[0012] In some embodiments of the present application, the protrusion and the groove both extend from the bottom surface to the top surface of the prefabricated ring beam segment.

[0013] In some embodiments of the present application, the transverse cross-sections of the protrusion and the groove are rectangular or trapezoidal.

[0014] In some embodiments of the present application, a buffer layer is provided between two adjacent prefabricated ring beam segments.

[0015] In some embodiments of the present application, a first splicing groove is further recessed on a splicing end surface of the prefabricated ring beam segment, and a second splicing groove is further recessed on another splicing end surface of the prefabricated ring beam segment and is aligned with the first splicing groove; the first splicing groove of the prefabricated ring beam segment and the second splicing groove of another adjacent prefabricated ring beam segment are spliced ​​together to form a through hole, and the through hole is used for the anchor belt of the low-temperature storage tank to pass through.

[0016] In some embodiments of the present application, the first splicing groove and the second splicing groove are located on the first ring, the protrusion and the groove are located on the second ring, and the first ring is located on the outside of the second ring.

[0017] It can be seen from the above technical solutions that the embodiments of the present invention have at least the following advantages and positive effects:

[0018] In the ring beam structure of the embodiment of the present invention, the ring beam structure of the storage tank is divided into a plurality of prefabricated ring beam sections. The prefabricated ring beam sections can be prefabricated in the factory according to the size of the storage tank and transported to the site for installation. During installation, the raised portion of the prefabricated ring beam section is aligned and snapped with the groove portion of the adjacent prefabricated ring beam section to achieve end-to-end splicing. The alignment and splicing of the raised portion and the groove portion can maintain the integrity and stability of the ring beam structure; at the same time, the ring beam structure can be quickly assembled, which is convenient for shortening the construction period and saving on-site construction time. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a partial schematic diagram of the ring beam structure of a cryogenic storage tank in the prior art.

[0020] Figure 2 It is a partial schematic diagram of a ring beam structure according to an embodiment of the present invention.

[0021] Figure 3 yes Figure 2 Schematic diagram of the AA cross-section structure.

[0022] Figure 4 yes Figure 2 Schematic diagram of the enlarged structure of area B.

[0023] Figure 5 It is a schematic structural diagram of a prefabricated ring beam segment according to an embodiment of the present invention.

[0024] Figure 6 yes Figure 5 Schematic diagram of the top view structure.

[0025] Figure 7 It is a schematic diagram of the top structure of a prefabricated ring beam segment according to another embodiment of the present invention.

[0026] Figure 8 It is a schematic diagram of the top structure of a prefabricated ring beam segment according to another embodiment of the present invention.

[0027] The following are the descriptions of the reference numerals:

[0028] 10. Ring beam structure;

[0029] 1. Prefabricated ring beam section; 11. Raised portion; 12. Grooved portion; 13. First splicing groove; 14. Second splicing groove; 101. First ring; 102. Second ring; 103. Splicing gap;

[0030] 20. Leveling layer; 21. Tank wall;

[0031] 30. Insulation materials;

[0032] 40. Platform support. DETAILED DESCRIPTION

[0033] 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.

[0034] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0035] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0036] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0037] See also Figure 1 As shown, the existing ring beam structure for supporting cryogenic storage tanks is an integrated ring structure. The integrated ring structure is usually determined by comprehensive analysis and calculation based on multiple factors such as the tank wall size of the cryogenic storage tank and its stress conditions; then the corresponding casting mold is made according to the size of the ring beam. The casting mold is cast in place with reinforced concrete as a whole, and the casting mold is removed after the casting and curing. The ring beam structure made by this method has many on-site processes, large site area requirements, long construction period, low efficiency, and poor crack resistance. In addition, during the construction process, it is easy to cause damage to the insulation material under the ring beam and the related channels at the bottom, which has a greater adverse effect.

[0038] See also Figure 2 Combined with Figure 4 As shown, the ring beam structure 10 provided by the embodiment of the present invention includes a plurality of prefabricated ring beam segments 1, and the plurality of prefabricated ring beam segments 1 are sequentially spliced ​​end to end to form a ring structure. According to various factors such as the size of the tank wall 21 of the main container of the cryogenic storage tank and the stress condition of the ring beam structure 10, the size of the ring beam structure 10 is calculated and determined in advance, and then the ring beam of the ring structure is divided into a plurality of prefabricated ring beam segments 1 according to the size of the ring beam structure 10, and the prefabricated ring beam segments 1 can be manufactured in the factory according to the size of the prefabricated ring beam segments 1. The manufactured prefabricated ring beam segments 1 are transported to the construction site for on-site assembly to save on-site construction time and facilitate shortening the construction period.

[0039] See also Figure 3 As shown, the bottom surface of the prefabricated ring beam segment 1 is supported on the thermal insulation material 30, and the top surface of the prefabricated ring beam segment 1 can be used to support the tank wall 21 of the cryogenic storage tank.

[0040] In some embodiments, the top surface of the prefabricated ring beam section 1 is not in direct contact with the bottom of the tank wall 21. A leveling layer 20 is provided between the top surface of the prefabricated ring beam section 1 and the bottom of the tank wall 21. The leveling layer 20 may be a concrete structure. The leveling layer 20 is used to facilitate the leveling and installation of the tank wall 21 and to provide a flat and solid operating surface for the bottom of the main container of the storage tank. This is beneficial for effectively transferring the load from the main container of the storage tank to the reinforced concrete cap 40 through the thermal insulation material 30.

[0041] It should be noted that the insulation material 30 is a complex multi-layer structure, and the insulation material 30 of the multi-layer structure is laid flat on the reinforced concrete cap 40 in sequence. Among them, some insulation material layers are laid before the ring beam structure 10 is installed; some insulation material layers can be laid after the ring beam structure 10 is installed, such as the insulation material layers located on both sides of the ring beam structure 10. The multi-layer structure of the insulation material 30 has sufficient supporting strength and flatness, and transfers the load of the main container of the storage tank to the reinforced concrete cap 40 evenly and evenly.

[0042] In some embodiments, the gap between the inner peripheral wall of the ring beam structure 10 and the insulation material 30 inside the ring beam structure 10 and the gap between the outer peripheral wall of the ring beam structure 10 and the insulation material 30 outside the ring beam structure 10 can be filled with glass fiber wool material. The glass fiber wool material has a large number of tiny air gaps, which can play the role of heat insulation, sound absorption and noise reduction, and safety protection.

[0043] See also Figure 5 As shown, each prefabricated ring beam segment 1 has two opposite splicing end faces on its circumferential side. A protrusion 11 is convexly provided on one of the splicing end faces, and a groove 12 matching the protrusion 11 is concavely provided on the other splicing end face.

[0044] In the annular structure formed by splicing, the raised portion 11 of each prefabricated ring beam segment 1 is aligned and snap-fitted with the groove portion 12 of an adjacent prefabricated ring beam segment 1, so that multiple prefabricated ring beam segments 1 are spliced ​​end to end in sequence to form a closed annular structure. The combination of the raised portion 11 and the groove portion 12 can ensure the integrity and stability of the ring beam structure 10, while achieving rapid on-site assembly, thereby shortening the construction period and saving on-site construction time.

[0045] See also Figure 5 In some embodiments, the protrusion 11 and the groove 12 on the prefabricated ring beam segment 1 extend from the bottom surface of the prefabricated ring beam segment 1 to the top surface of the prefabricated ring beam segment 1. Thus, the prefabricated ring beam segments 1 are spliced ​​together. In the process of assembling the annular structure, it is convenient to splice the last prefabricated ring beam segment 1 from top to bottom without considering whether there is enough splicing space in the remaining gap formed by splicing.

[0046] See also Figures 6 to 8 The cross-sectional shapes and sizes of the protrusions 11 and the grooves 12 on each prefabricated ring beam segment 1 are all corresponding. Each protrusion 11 and the groove 12 have the same transverse cross-sectional shape, which can be rectangular, trapezoidal, triangular, semicircular, etc. The cross-sectional shape and structural coordination of the protrusion 11 and the groove 12 can increase the splicing area of ​​two adjacent prefabricated ring beam segments 1, effectively improve the integrity of the ring beam structure 10, and ensure the stability of the ring beam structure 10.

[0047] Still reading Figure 5 In some embodiments, a first splicing groove 13 is further recessed on one of the splicing end surfaces of the prefabricated ring beam segment 1, and a second splicing groove 14 is further recessed on the other splicing end surface of the prefabricated ring beam segment 1 and is aligned with the first splicing groove 13. Both the first splicing groove 13 and the second splicing groove 14 can extend from the bottom surface of the prefabricated ring beam segment 1 to the top surface of the prefabricated ring beam segment 1 to form a through structure.

[0048] In the annular structure formed by splicing, the first splicing groove 13 of the prefabricated ring beam segment 1 is spliced ​​and surrounded by the second splicing groove 14 of another adjacent prefabricated ring beam segment 1 to form a through hole, through which the anchor belt on the cryogenic storage tank can pass. The upper end of the anchor belt is fixed on the cryogenic storage tank, and the lower end of the anchor belt can be fixed on the reinforced concrete pedestal 40 after passing through the through hole. Multiple anchor belts are evenly distributed in the circumferential direction and their fixing effect is used to ensure that the cryogenic storage tank can stand firmly on the foundation of the ring beam to avoid accidents such as overturning and sliding when a lateral load is applied.

[0049] See also Figure 4 As shown, in some embodiments, the first splicing groove 13 and the second splicing groove 14 may adopt a semicircular or semi-elliptical structure, so that the first splicing groove 13 and the second splicing groove 14 are circular or elliptical structures by virtue of the through hole formed. When the anchor belt is passed through, the gap between the anchor belt and the through hole can be filled with glass fiber wool material to improve the stability of the anchor belt.

[0050] Still reading Figure 4 In some embodiments, the through hole formed by the first splicing groove 13 and the second splicing groove 14 is located on the first ring 101 of the annular structure, the structure of the convex portion 11 and the groove portion 12 being aligned and snapped together is located on the second ring 102 of the annular structure, and the first ring 101 is located on the outer peripheral side of the second ring 102. When the storage tank is placed on the ring beam structure 10, the tank wall 21 of the main container is arranged in the middle position of the ring beam structure 10, between the first ring 101 and the second ring 102, so that the load of the ring beam structure 10 can be kept balanced inside and outside. At the same time, it is convenient for the anchor belt on the outside of the tank wall 21 to pass through the through hole on the first ring 101, making the overall structural layout more reasonable.

[0051] See also Figure 5 , and combined with Figure 2 and Figure 4 As shown, the circumference of each prefabricated ring beam segment 1 has an inner side and an outer side. The inner side is close to the center of the formed ring structure. The outer side is farther away from the center of the formed ring structure than the inner side. In the circumferential direction of the ring structure, the length of the inner side is less than the length of the outer side, so when the splicing end faces of multiple prefabricated ring beam segments 1 are spliced ​​together, they can be gradually spliced ​​to form a closed ring structure. And in the formed ring structure, the inner side faces of multiple prefabricated ring beam segments 1 are spliced ​​into the inner circumference of the ring structure, and the outer side faces of multiple prefabricated ring beam segments 1 are spliced ​​into the outer circumference of the ring structure.

[0052] See also Figure 5 In some embodiments, the inner side and outer side of the prefabricated ring beam segment 1 are both planes. Therefore, when making a corresponding prefabricated mold, the prefabricated mold can have a flat inner wall surface, which can effectively reduce the difficulty and cost of making the prefabricated mold, thereby reducing the manufacturing cost of the prefabricated ring beam segment 1.

[0053] In some embodiments, the inner side and outer side of the prefabricated ring beam segment 1 may also be a curved surface structure. The curved surface structure can make the formed annular structure have a complete and smooth inner and outer peripheral surface.

[0054] See also Figure 2 and Figure 4 As shown, in some embodiments, the structure and size of each prefabricated ring beam segment 1 are the same, so that the prefabricated ring beam segments 1 are arranged at equal angles along the circumference of the annular structure, so that the annular structure composed of the prefabricated ring beam segments 1 is a circular structure, and the corresponding supported low-temperature storage tank main container is a vertical low-temperature storage tank with a circular tank wall 21.

[0055] Each prefabricated ring beam segment 1 has the same size and structure, so a unified mold can be used to make the prefabricated ring beam segment 1 in the factory. The size of the ring beam structure 10 can be calculated and determined in advance according to various factors such as the size of the tank wall 21 and the stress condition of the ring beam structure 10, and then the inner diameter and outer diameter of the ring structure can be calculated in advance according to the size of the ring beam structure 10. The ring structure is divided into multiple arc segments according to equal angles or equal arcs, and each arc segment corresponds to the size of a prefabricated ring beam segment 1. According to the size of the arc segment, a corresponding casting mold can be made.

[0056] In some embodiments, during pouring, a steel skeleton corresponding to the size of the prefabricated ring beam segment 1 can be placed in the casting mold, and then concrete can be poured to make the manufactured prefabricated ring beam segment 1 have higher mechanical strength. At the same time, the steel skeleton can also adopt the same size structure for batch prefabrication.

[0057] The mold can be used to uniformly and batch-cast each prefabricated ring beam segment 1, effectively improving the production efficiency of the prefabricated ring beam segment 1 and further reducing the production cost and mold cost of the prefabricated ring beam segment 1.

[0058] During on-site assembly, since the sizes and structures of the prefabricated ring beam segments 1 are the same, any prefabricated ring beam segment 1 can be selected for assembly without considering the assembly order, thereby further improving the on-site assembly efficiency, further saving on-site construction time, and facilitating shortening the construction period.

[0059] See also Figure 4 As shown, when the splicing end faces of two adjacent prefabricated ring beam segments 1 are spliced, a certain splicing gap 103 is generated. In some embodiments, a buffer layer can be set in the splicing gap 103, and the buffer layer can have a certain elasticity, so that the spliced ​​annular structure has a certain micro-deformation ability, thereby effectively reducing the generation of cracks on the ring beam.

[0060] In some embodiments, the buffer layer may be made of glass fiber wool material, which is filled in the splicing gap 103 of the splicing end faces of the two prefabricated ring beam segments 1 to form a buffer layer. The glass fiber wool material can make the buffer layer have a certain elasticity, and at the same time, the buffer layer can play the role of heat insulation, sound absorption and noise reduction, and safety protection.

[0061] Based on the above technical solutions, it can be seen that the embodiments of the present invention have at least the following advantages and positive effects:

[0062] In the ring beam structure 10 of the cryogenic storage tank of the embodiment of the present invention, the ring beam structure 10 of the storage tank is pre-divided into a plurality of prefabricated ring beam segments 1. The prefabricated ring beam segments 1 can be prefabricated in the factory according to the size of the storage tank and transported to the site for installation. During installation, the raised portion 11 of the prefabricated ring beam segment 1 is aligned and snapped with the groove portion 12 of the adjacent prefabricated ring beam segment 1 to achieve end-to-end splicing. The alignment and splicing of the raised portion 11 and the groove portion 12 can maintain the integrity and stability of the ring beam structure 10; at the same time, the ring beam structure 10 can be quickly assembled, which is convenient for shortening the construction period and saving on-site construction time. In addition, a buffer layer is provided between the spliced ​​prefabricated ring beam segments 1, which can make the ring beam structure 10 have micro-deformation ability, improve the anti-seismic performance of the ring beam structure 10, and effectively prevent the generation of cracks.

[0063] 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 ring beam structure for supporting a cryogenic storage tank, characterized in that: It comprises a plurality of prefabricated ring beam sections which are sequentially connected end to end; the bottom surface of the prefabricated ring beam section is supported on the thermal insulation material, and the top surface of the prefabricated ring beam section is used to support the tank wall of the cryogenic storage tank; A convex portion is convexly provided on one splicing end surface of the prefabricated ring beam segment, and a concave groove portion matching the convex portion is concavely provided on the other splicing end surface of the prefabricated ring beam segment; Two adjacent prefabricated ring beam sections are aligned and snap-connected by the raised portion and the groove portion so that a plurality of the prefabricated ring beam sections are spliced ​​to form a ring structure; the raised portion and the groove portion both extend from the bottom surface to the top surface of the prefabricated ring beam section; a splicing gap is provided between two adjacent prefabricated ring beam sections; and a buffer layer is provided between two adjacent prefabricated ring beam sections.

2. The ring beam structure according to claim 1, characterized in that: The prefabricated ring beam segment has an inner side and an outer side; The inner side surfaces of the plurality of prefabricated ring beam segments are assembled to form the inner circumferential surface of the annular structure; The outer side surfaces of a plurality of the prefabricated ring beam segments are assembled to form the outer peripheral surface of the annular structure; In the circumferential direction of the annular structure, the length of the inner side surface is smaller than the length of the outer side surface.

3. The ring beam structure according to claim 2, characterized in that: The inner side surface and the outer side surface of the prefabricated ring beam segment are both planes.

4. The ring beam structure according to claim 2, characterized in that: The structures and sizes of the plurality of prefabricated ring beam segments are the same.

5. The ring beam structure according to claim 1, characterized in that: A steel frame is arranged inside the prefabricated ring beam section; the prefabricated ring beam section is made by pouring concrete over the steel frame.

6. The ring beam structure according to claim 1, characterized in that: The transverse cross-sections of the protrusion and the groove are rectangular or trapezoidal.

7. The ring beam structure according to claim 1, characterized in that: A first splicing groove is also concavely provided on one splicing end surface of the prefabricated ring beam section, and a second splicing groove is also concavely provided on another splicing end surface of the prefabricated ring beam section and is aligned with the first splicing groove; The first splicing groove of the prefabricated ring beam segment is spliced ​​and surrounded with the second splicing groove of another adjacent prefabricated ring beam segment to form a through hole, and the through hole is used for the anchor belt of the low-temperature storage tank to pass through.

8. The ring beam structure according to claim 7, characterized in that: The first splicing groove and the second splicing groove are located on the first ring, the protruding portion and the groove portion are located on the second ring, and the first ring is located outside the second ring.

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