Glass fiber reinforced plastic storage tank with heat preservation inclined bottom structure and manufacturing method of glass fiber reinforced plastic storage tank

Abstract

The invention belongs to the technical field of heat preservation of glass fiber reinforced plastic storage tanks, and discloses a glass fiber reinforced plastic storage tank with a heat preservation inclined bottom structure and a manufacturing method thereof. The upper surface of a concrete foundation is designed to be of an inclined structure, and a liquid outlet communicated with the bottom of a barrel is formed in the bottom end of the concrete foundation, so that a medium at the bottom of the tank is rapidly and thoroughly discharged; the supporting framework of the net structure is filled with the heat preservation foaming layer, the protective layer is laid on the upper surface of the supporting framework, the heat preservation foaming layer provides effective heat preservation, the supporting framework provides effective supporting for the heat preservation foaming layer, and the protective layer prevents media from permeating into the heat preservation assembly. Meanwhile, the heat preservation assembly is firmly installed on the concrete foundation through the fixing piece, it is ensured that the heat preservation structure is stable and reliable, and the good heat preservation effect on the bottom of the tank is achieved. Therefore, the glass fiber reinforced plastic storage tank with the heat preservation inclined bottom structure not only has the bottom structure with stable supporting and efficient heat preservation, but also has a reliable liquid drainage function, and the process efficiency and the equipment use reliability are improved.

Description

Technical Field

[0001] This invention relates to the field of fiberglass storage tank insulation technology, and in particular to a fiberglass storage tank with an insulated sloping bottom structure and its manufacturing method. Background Technology

[0002] Fiberglass reinforced plastic (FRP) storage tanks are widely used in industries such as chemical and food brewing due to their excellent corrosion resistance, light weight, and high strength. In food brewing or chemical reactions, maintaining a constant temperature is crucial for ensuring sufficient fermentation or reaction. Therefore, storage tanks must not only have good insulation performance but also reliable drainage capabilities. If the tank bottom lacks insulation, the medium at the bottom will easily cool down rapidly upon contact with the concrete foundation, creating a temperature difference with the upper part of the tank and disrupting the overall temperature balance, thus affecting process efficiency. Furthermore, even if the tank side walls and top end have insulation layers, residual liquid at the bottom will continue to cause heat loss, weakening the insulation effect. Only by thoroughly draining the liquid can heat loss through accumulated liquid be reduced, ensuring the effectiveness of the insulation structure.

[0003] In existing technologies, fiberglass insulated storage tanks typically only have insulation layers on the top end cap and the cylinder body. The bottom of the tank, which sits directly on a concrete foundation, is generally left uninsulated due to load-bearing capacity and installation stability. Furthermore, if the tank bottom lacks an effective drainage design, residual liquid cannot be discharged in a timely manner, which not only further exacerbates localized cooling but may also breed bacteria or contaminate subsequent batches of media, potentially jeopardizing the continuity and stability of the process in severe cases. Summary of the Invention

[0004] The purpose of this invention is to provide a fiberglass storage tank with an insulated sloping bottom structure and its manufacturing method, which can effectively insulate the bottom of the fiberglass storage tank and ensure the stable installation of the insulation structure, thereby improving the load-bearing capacity of the insulation layer; at the same time, it enables the rapid and complete discharge of the medium at the bottom of the tank, effectively improving the insulation performance of the bottom, making the overall temperature of the tank more uniform, and improving process efficiency and equipment reliability.

[0005] To achieve this objective, the present invention adopts the following technical solution:

[0006] On the one hand, a fiberglass storage tank with an insulated sloping bottom structure is provided, comprising:

[0007] A concrete foundation with an inclined upper surface has an annular groove on its upper surface. The bottom of a cylinder is embedded and fixed in the annular groove. A drain port communicating with the bottom of the cylinder is opened at the lower end of the inclined upper surface of the concrete foundation on the side wall of the annular groove.

[0008] The thermal insulation component includes a support frame, a thermal insulation foam layer, a protective layer, and fasteners. The support frame has a mesh structure and is laid on the surface of the concrete foundation, covering the bottom area of ​​the cylinder. The thermal insulation foam layer fills the support frame. The protective layer is laid on the upper surface of the support frame and covers the thermal insulation foam layer. The protective layer has mounting holes, and the fasteners can be connected to the support frame through the mounting holes and fixed to the concrete foundation.

[0009] The bottom of the tank is laid on top of the insulation component and is sealed to the inner wall of the cylinder.

[0010] As an optional solution for fiberglass storage tanks with insulated sloping bottom structures, multiple mounting holes are provided on the protective layer, and multiple fasteners are provided, with each fastener corresponding to one of the mounting holes.

[0011] As an optional solution for fiberglass storage tanks with insulated sloping bottom structures, multiple mounting holes are distributed in a matrix on the protective layer.

[0012] As an optional solution for fiberglass storage tanks with insulated sloping bottom structures, the fasteners include clips and bolts. The clips are interlocked with the support frame, and the bolts pass through the clips and are anchored to the concrete foundation.

[0013] As an optional solution for a fiberglass storage tank with an insulated sloping bottom structure, the supporting frame is a grid structure, the grid includes multiple grid bars arranged in a cross pattern, and the buckle includes a snap-fit ​​part and a U-shaped connecting part; the snap-fit ​​parts are respectively disposed at both ends of the U-shaped connecting part and snap-fit ​​with the adjacent grid bars, the U-shaped connecting part is snapped between the adjacent grid bars, and its bottom abuts against the upper surface of the concrete foundation, and the bolts pass through the bottom of the U-shaped connecting part in sequence and are anchored in the concrete foundation.

[0014] As an optional solution for fiberglass storage tanks with insulated sloping bottom structures, a transition layer is laid on the upper surface of the concrete foundation to level the upper surface of the concrete foundation.

[0015] As an optional solution for a fiberglass storage tank with an insulated sloping bottom structure, a first filling layer is filled between the inner wall of the cylinder and the annular groove and the insulation component.

[0016] As an optional solution for fiberglass storage tanks with insulated sloping bottom structures, a second filling layer is filled between the cylinder and the annular groove.

[0017] As an optional solution for fiberglass storage tanks with insulated sloping bottom structures, an inner sealing layer is provided at the junction of the tank bottom and the cylindrical body.

[0018] On the other hand, a method for manufacturing a fiberglass storage tank with an insulated sloping bottom structure is provided, for manufacturing a fiberglass storage tank with an insulated sloping bottom structure as described in any of the above claims, comprising the following steps:

[0019] S1: Construct the concrete foundation with its upper surface inclined, and open the annular groove and the drain port that communicates with the bottom of the cylinder in the concrete foundation;

[0020] S2: The thermal insulation foam layer is pre-filled into the interior of the support frame. After filling, the protective layer is pasted onto the upper surface of the support frame, and the mounting holes are pre-drilled at the positions corresponding to the fasteners in the protective layer.

[0021] S3: Hoist the cylinder to the position of the annular groove in the concrete foundation, so that the bottom of the cylinder is embedded and fixed in the annular groove;

[0022] S4: Fix the insulation component, which has been filled and pasted, to the inclined upper surface of the concrete foundation located below the bottom of the cylinder;

[0023] S5: The fastener passes through the mounting hole and connects to the support frame, and is fixed to the concrete foundation;

[0024] S6: The bottom of the tank is pasted onto the top of the insulation component and sealed to the inner wall of the cylinder.

[0025] The beneficial effects of this invention are:

[0026] This invention provides a fiberglass storage tank with an insulated sloping bottom structure and its manufacturing method. The upper surface of the concrete foundation is designed as a sloping structure, with a drain port at its bottom connected to the bottom of the tank body, enabling rapid and complete discharge of the medium from the tank bottom. An insulating foam layer is filled inside a mesh-structured support frame, and a protective layer is laid on the upper surface of the support frame. The insulating foam layer provides effective insulation for the bottom of the tank, the support frame provides effective support for the insulating foam layer, and the protective layer prevents the medium from penetrating into the insulation components. Simultaneously, the insulation components are securely installed on the concrete foundation using fasteners, ensuring the insulation structure is stable and reliable, providing excellent insulation for the bottom of the tank. Therefore, the fiberglass storage tank with an insulated sloping bottom structure not only has a stable support and highly efficient insulation bottom structure, but also a reliable drainage function, resulting in a more uniform internal temperature, faster and more thorough drainage, reduced heat loss, ensured insulation effect, and improved process efficiency and equipment reliability. Attached Figure Description

[0027] Figure 1 This is a bottom cross-sectional view of the fiberglass storage tank with an insulated sloping bottom structure according to the present invention;

[0028] Figure 2 This is a top view of a partial assembly of the fasteners, mounting holes, and supporting frame in this invention;

[0029] Figure 3 This is a side view of a partial assembly of the fasteners, mounting holes, and supporting frame in this invention;

[0030] Figure 4 This is a flowchart of the manufacturing method of the fiberglass storage tank with heat-insulating sloping bottom structure in this invention.

[0031] In the picture:

[0032] 100. Cylinder body;

[0033] 1. Concrete foundation; 2. Insulation components; 21. Support frame; 22. Insulation foam layer; 23. Protective layer; 231. Mounting hole; 24. Fastener; 241. Clip; 242. Bolt; 243. Gasket; 3. Tank bottom; 4. First filling layer; 5. Second filling layer; 6. Inner sealing layer; 7. Drain outlet. Detailed Implementation

[0034] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and not intended to limit it. Furthermore, it should be noted that, for ease of description, the accompanying drawings show only the parts relevant to the present invention, and not all of the structures.

[0035] In the description of this invention, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0036] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0037] In the description of this embodiment, the terms "upper," "lower," "left," and "right," etc., refer to the orientation or positional relationship shown in the accompanying drawings. They are used only for ease of description and simplification of operation, 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. Therefore, they should not be construed as limitations on the present invention. In addition, the terms "first" and "second" are used only for distinction in description and have no special meaning.

[0038] Please refer to Figures 1 to 3 As shown, this embodiment provides a fiberglass storage tank with an insulated sloping bottom structure, including a concrete foundation 1, an insulation component 2, and a tank bottom 3; the upper surface of the concrete foundation 1 is inclined, and an annular groove is formed on the upper surface of the concrete foundation 1. The bottom of the cylinder 100 is embedded and fixed in the annular groove, and a drain port 7 communicating with the bottom of the cylinder 100 is formed at the lower end of the inclined upper surface of the annular groove sidewall; the insulation component 2 includes a support frame 21, an insulation foam layer 22, a protective layer 23, and a solid... The fixing component 24 and the support frame 21 are arranged in a mesh structure and laid on the upper surface of the concrete foundation 1, covering the bottom area of ​​the cylinder 100. The thermal insulation foam layer 22 is filled in the support frame 21. The protective layer 23 is laid on the upper surface of the support frame 21 and covers the thermal insulation foam layer 22. The protective layer 23 has an installation hole 231. The fixing component 24 can be connected to the support frame 21 through the installation hole 231 and fixed to the concrete foundation 1. The bottom of the tank 3 is laid on the top of the thermal insulation component 2 and is sealed to the inner wall of the cylinder 100.

[0039] By designing the upper surface of the concrete foundation 1 as an inclined structure and setting a drain port 7 at its bottom end that connects to the bottom of the cylinder 100, the bottom 3 of the storage tank is always at a certain slope, which helps the medium to flow naturally to the drain port 7, achieving rapid and thorough discharge of the medium at the bottom 3 of the tank. The support frame 21 of the mesh structure is filled with a thermal insulation foam layer 22, and a protective layer 23 is laid on the upper surface of the support frame 21. The thermal insulation foam layer 22 provides effective insulation for the bottom of the storage tank, the support frame 21 provides effective support for the thermal insulation foam layer 22, and the protective layer 23 prevents the medium from penetrating into the interior of the insulation component 2, avoiding the intrusion and corrosion of the insulation component 2 by chemical media, moisture or impurities. At the same time, the insulation component 2 is firmly installed on the concrete foundation 1 by fasteners 24, ensuring that the insulation structure is stable and reliable, and providing a good insulation effect for the bottom of the tank. Therefore, fiberglass storage tanks with insulated sloping bottom structures not only have a stable support and efficient insulation bottom structure, but also a reliable drainage function, making the internal temperature of the tank more uniform, the drainage more rapid and thorough, reducing heat loss, ensuring insulation effect, and improving process efficiency and equipment reliability.

[0040] Specifically, the supporting frame 21 and protective layer 23 in the insulation component 2 are both made of fiberglass, utilizing the high strength of fiberglass to improve the load-bearing capacity of the insulation component 2. The insulation foam layer 22 is made of polyurethane, utilizing the insulation properties of polyurethane to achieve the insulation function of the insulation component 2. The tank bottom 3 is made of fiberglass and has a certain thickness, used to support the medium.

[0041] As the weight of the medium inside the storage tank increases, the compressive load-bearing capacity required by the bottom structure also increases accordingly. Therefore, the compressive strength of the polyurethane material filled inside the grid structure support frame 21 needs to be increased accordingly. At the same time, to meet higher load-bearing requirements, the thickness of the support frame 21 can also be increased accordingly based on the weight of the medium inside the storage tank, so as to enhance the stability and pressure-bearing capacity of the overall structure.

[0042] like Figure 2 As shown, optionally, multiple mounting holes 231 are provided on the protective layer 23, and multiple fasteners 24 are provided, with each fastener 24 corresponding to a different mounting hole 231. This increases the number of connection points between the insulation component 2 and the concrete foundation 1, thereby improving the installation stability of the insulation component 2 and enabling it to be reliably fixed in a predetermined position on the inclined concrete foundation 1. Specifically, the number of mounting holes 231 and fasteners 24 is determined according to the diameter of the cylinder 100, and the number of mounting holes 231 and fasteners 24 increases as the diameter of the cylinder 100 increases.

[0043] Optionally, multiple mounting holes 231 are distributed in a matrix on the protective layer 23. The matrix arrangement of holes makes the fasteners 24 evenly distributed on the entire protective layer 23, which helps the connection points to share the load and avoids cracking of the protective layer 23 or loosening of the insulation component 2 due to local stress concentration, thereby improving the stability and durability of the overall structure.

[0044] like Figure 3 As shown, specifically, the fastener 24 includes a clip 241 and a bolt 242. The clip 241 is interlocked with the support frame 21 for fixation, and the bolt 242 passes through the clip 241 and is anchored to the concrete foundation 1. The clip 241 structure facilitates quick alignment and pre-fixation. Construction personnel can first clip the clip 241 with the support frame 21 for preliminary positioning, and then tighten it with the bolt 242, simplifying the installation process, shortening the operation time, and improving on-site installation efficiency. The bolt 242 can be an expansion bolt or a chemical bolt.

[0045] Optionally, a washer 243 is provided between the bolt 242 and the clip 241. The washer 243 forms a buffer layer between the two to reduce wear and protect the surface of the clip 241 from damage during the tightening of the bolt 242. Specifically, the washer 243 may be, but is not limited to, a silicone sheet, and is not limited thereto.

[0046] More specifically, the support frame 21 is a grid structure, which includes multiple grid bars arranged in a cross pattern. The buckle 241 includes a snap-fit ​​part and a U-shaped connecting part. The snap-fit ​​parts are respectively located at both ends of the U-shaped connecting part and snap-fit ​​with the adjacent grid bars. The U-shaped connecting part is snap-fitted between the adjacent grid bars, and its bottom abuts against the upper surface of the concrete foundation 1. The bolts 242 pass through the bottom of the U-shaped connecting part in sequence and are anchored in the concrete foundation 1. The snap-fit ​​part provides lateral restraint, so that the buckle 241 connects with the adjacent grid bars of the grid. The U-shaped connecting part provides vertical support, and the bolts 242 provide axial fastening, effectively distributing the load and preventing the connection part from loosening or displacing due to vibration, thermal expansion and contraction, etc. In addition, the above structure has good disassembly. If it is necessary to replace the partial insulation component 2 or maintain the concrete foundation 1 in the future, the buckle 241 can be removed and the support frame 21 can be retained, which greatly improves the maintainability and service life of the insulation component 2.

[0047] Because the concrete foundation 1 may have uneven surfaces, slight height differences, or localized sandblasting during actual pouring, a transition layer is laid on the upper surface of the concrete foundation 1 in some optional embodiments to smooth its surface. This smooth transition layer effectively avoids stress concentration caused by unevenness on the upper surface of the concrete foundation 1, thereby preventing the insulation component 2 from breaking due to uneven stress and improving the overall structural load-bearing capacity and reliability. Specifically, the transition layer can be, but is not limited to, using resin mortar, and its thickness can be adjusted according to the actual construction conditions. To balance economy and structural performance, the transition layer should not be too thick to control material costs; at the same time, it should not be too thin to effectively alleviate stress concentration caused by uneven foundation, ensuring structural stability and installation reliability.

[0048] like Figure 1 As shown, optionally, a first filling layer 4 is filled between the inner wall of the cylinder 100 and the annular groove and the insulation component 2. The first filling layer 4 is used to fill the gap between the insulation component 2 and the cylinder 100. If the gap is not filled, it is easy to tear under stress, forming a leakage channel, causing the medium to penetrate into the interior of the insulation component 2. By filling the gap with the first filling layer 4, the medium penetration path can be effectively blocked, and the sealing performance can be enhanced. At the same time, the first filling layer 4 can also limit the relative displacement between adjacent structures due to stress during the feeding process, further preventing subsequent leakage problems caused by structural misalignment. Specifically, the first filling layer 4 can be, but is not limited to, using resin mortar material.

[0049] Optionally, a second filling layer 5 is provided between the cylinder 100 and the annular groove to fill the gap between the cylinder 100 and the annular groove, thereby effectively fixing the cylinder 100 embedded in the annular groove and improving the stability of the bond between the cylinder 100 and the concrete foundation 1. Specifically, the second filling layer 5 may be, but is not limited to, using resin mortar material.

[0050] Since the junction between the tank bottom 3 and the cylinder 100 is a critical structural joint, it is prone to gaps or stress concentration areas. To enhance the sealing between the tank bottom 3 and the cylinder 100, in some optional embodiments, an inner sealing layer 6 is provided at the junction of the tank bottom 3 and the cylinder 100. The inner sealing layer 6 can effectively seal the interface between the two, preventing the medium inside the tank from leaking from the joint, and improving the overall sealing performance and safety of use. Specifically, the inner sealing layer 6 is made of fiberglass to ensure that the material of the inner sealing layer 6 is consistent with that of the tank bottom 3, so that the overall structure can maintain coordinated changes under temperature changes and avoid delamination, peeling, or cracking between the two.

[0051] like Figure 4 As shown, this embodiment also provides a method for manufacturing a fiberglass storage tank with an insulated sloping bottom structure, used to manufacture the fiberglass storage tank with an insulated sloping bottom structure in any of the above embodiments, including the following steps:

[0052] S1: Construct a concrete foundation 1 with its upper surface inclined, and open an annular groove and a drain port 7 that communicates with the bottom of the cylinder 100 in the concrete foundation 1.

[0053] S2: The thermal insulation foam layer 22 is pre-filled into the interior of the support frame 21. After filling, a protective layer 23 is pasted on the upper surface of the support frame 21, and mounting holes 231 are pre-opened at the positions corresponding to the protective layer 23 and the fastener 24.

[0054] S3: Hoist the cylinder 100 to the annular groove position of the concrete foundation 1, so that the bottom of the cylinder 100 is embedded and fixed in the annular groove;

[0055] S4: Fix the insulation component 2, which has been filled and pasted, to the inclined upper surface of the concrete foundation 1 located below the bottom of the cylinder 100;

[0056] S5: The fastener 24 passes through the mounting hole 231 and connects to the support frame 21, and is fixed to the concrete foundation 1;

[0057] S6: Paste the bottom of the tank 3 on the top of the insulation component 2 and seal it to the inner wall of the cylinder 100.

[0058] By designing the upper surface of the concrete foundation 1 as an inclined structure and opening an annular groove and drain port 7, the bottom 3 of the storage tank is always at a certain slope, which helps the medium to flow naturally to the drain port 7, achieving rapid and thorough discharge, avoiding residue at the bottom 3 of the tank, and improving process efficiency. By pre-filling the insulation foam layer 22 and pasting the protective layer 23, it is beneficial to complete the standardized and modular manufacturing of the insulation component 2 in the factory, improving the overall installation efficiency. At the same time, the insulation foam layer 22 provides effective insulation for the bottom of the storage tank, the support frame 21 provides effective support for the insulation foam layer 22, and the protective layer 23 prevents the medium from penetrating into the interior of the insulation component 2. The support frame 21 is firmly connected to the concrete foundation 1 by the fasteners 24, which effectively enhances the overall compressive strength and structural stability, ensuring that the insulation structure does not shift or collapse during long-term operation. The bottom 3 of the tank is sealed to the inner wall of the cylinder 100 to prevent medium leakage, condensation, or impurity infiltration, thereby improving the safety and service life of the equipment.

[0059] Optionally, after step S3, a second filling layer 5 is filled between the cylinder 100 and the annular groove to fix the cylinder 100 embedded in the annular groove.

[0060] Optionally, after step S4, a first filling layer 4 is filled between the insulation component 2 and the cylinder 100 to fill the gap between the insulation component 2 and the cylinder 100, thereby achieving complete sealing of the insulation structure, effectively blocking the medium penetration path, and enhancing the sealing performance.

[0061] Optionally, after step S5, the gaps at the fastener 24 are filled to prevent gas, liquid or moisture from penetrating into the insulation component 2 through the gaps, thereby improving the sealing performance of the insulation component 2.

[0062] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the implementation of the present invention. Those skilled in the art will be able to make various obvious changes, readjustments, and substitutions without departing from the scope of protection of the present invention. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included within the scope of protection of the claims of the present invention.

Claims

1. A fiberglass storage tank with an insulated sloping bottom structure, characterized in that, include: A concrete foundation (1) with an inclined upper surface has an annular groove on its upper surface. The bottom of the cylinder (100) is embedded and fixed in the annular groove. The side wall of the annular groove is provided with a drain port (7) that communicates with the bottom of the cylinder (100) at the lower end of the inclined upper surface of the concrete foundation (1). The thermal insulation component (2) includes a support frame (21), a thermal insulation foam layer (22), a protective layer (23), and a fastener (24). The support frame (21) has a mesh structure and is laid on the upper surface of the concrete foundation (1) and covers the bottom area of ​​the cylinder (100). The thermal insulation foam layer (22) is filled inside the support frame (21). The protective layer (23) is laid on the upper surface of the support frame (21) and covers the thermal insulation foam layer (22). The protective layer (23) has an installation hole (231). The fastener (24) can be connected to the support frame (21) through the installation hole (231) and fixed to the concrete foundation (1). The bottom of the tank (3) is laid on top of the insulation component (2) and is sealed to the inner wall of the cylinder (100).

2. The fiberglass storage tank with insulated sloping bottom structure according to claim 1, characterized in that, The protective layer (23) has multiple mounting holes (231), and multiple fasteners (24) are provided, with the fasteners (24) corresponding one-to-one with the mounting holes (231).

3. The fiberglass storage tank with an insulated sloping bottom structure according to claim 2, characterized in that, Multiple mounting holes (231) are distributed in a matrix on the protective layer (23).

4. The fiberglass storage tank with an insulated sloping bottom structure according to claim 2, characterized in that, The fastener (24) includes a buckle (241) and a bolt (242). The buckle (241) is engaged with the support frame (21) and fixed together. The bolt (242) passes through the buckle (241) and is anchored to the concrete foundation (1).

5. The fiberglass storage tank with an insulated sloping bottom structure according to claim 4, characterized in that, The supporting frame (21) is a grid structure, the grid includes multiple grid bars arranged in a cross pattern, the buckle (241) includes a snap-fit ​​part and a U-shaped connecting part; the snap-fit ​​part is respectively set at both ends of the U-shaped connecting part and snaps with the adjacent grid bars, the U-shaped connecting part is snapped between the adjacent grid bars, and its bottom abuts against the upper surface of the concrete foundation (1), the bolt (242) passes through the bottom of the U-shaped connecting part in sequence and is anchored in the concrete foundation (1).

6. The fiberglass storage tank with an insulated sloping bottom structure according to any one of claims 1-5, characterized in that, A transition layer is laid on the upper surface of the concrete foundation (1) to level the upper surface of the concrete foundation (1).

7. The fiberglass storage tank with an insulated sloping bottom structure according to any one of claims 1-5, characterized in that, The inner wall of the cylinder (100) is filled with a first filling layer (4) between the annular groove and the heat insulation component (2).

8. The fiberglass storage tank with an insulated sloping bottom structure according to any one of claims 1-5, characterized in that, A second filling layer (5) is filled between the cylinder (100) and the annular groove.

9. The fiberglass storage tank with an insulated sloping bottom structure according to any one of claims 1-5, characterized in that, An inner sealing layer (6) is provided at the junction of the bottom (3) of the tank and the cylinder (100).

10. A method for manufacturing a fiberglass storage tank with an insulated sloping bottom structure, characterized in that, The method for manufacturing a fiberglass storage tank with an insulated sloping bottom structure as described in any one of claims 1-9 includes the following steps: S1: Make the concrete foundation (1) with its upper surface inclined, and open the annular groove and the drain port (7) connected to the bottom of the cylinder (100) in the concrete foundation (1); S2: The thermal insulation foam layer (22) is pre-filled into the interior of the support frame (21). After filling, the protective layer (23) is pasted onto the upper surface of the support frame (21), and the mounting hole (231) is pre-opened at the position corresponding to the protective layer (23) and the fastener (24). S3: Hoist the cylinder (100) to the annular groove of the concrete foundation (1) so that the bottom of the cylinder (100) is embedded and fixed in the annular groove; S4: Fix the insulation component (2) that has been filled and pasted to the inclined upper surface of the concrete foundation (1) located below the bottom of the cylinder (100); S5: The fastener (24) passes through the mounting hole (231) and connects to the support frame (21), and is fixed to the concrete foundation (1); S6: The bottom of the tank (3) is pasted on the top of the heat insulation component (2) and sealed to the inner wall of the cylinder (100).

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