Steel double-layer rectangular storage tank with leakage detection function

Abstract

The utility model relates to the related technical field of storage tanks, in particular to a steel double-layer rectangular storage tank with a leakage detection function, which comprises an outer tank body, an inner tank body, a manhole and a leakage detection pipe, the outer tank body is formed by connecting a first bottom plate, a first wall plate, a first top edge reinforcing piece and a first top plate; the inner tank body is formed by connecting a second bottom plate, a second wall plate, a second top edge reinforcing piece and a second top plate, the manhole and the leakage detection pipe are installed at the tops of the outer tank body and the inner tank body, a gap layer is arranged between the inner tank body and the outer tank body, and the bottom of the leakage detection pipe is communicated with the gap layer; the leakage detection pipe is used for extracting negative pressure from the gap layer or performing an air pressure test, so that whether the outer tank body leaks or not is detected, and meanwhile, the storage safety effect is improved through cooperation of the outer tank body and the inner tank body.

Description

Technical Field

[0001] The utility model relates to a storage tank, in particular to a steel double-layer rectangular storage tank with a leakage detection function, belonging to the technical field related to storage tanks. Background Art

[0002] At present, most of the storage tanks used in petroleum, petrochemical, chemical, and printing and dyeing enterprises are single-layer steel storage tanks. When single-layer steel storage tanks store chemical preparations, petroleum-related flammable or toxic hazardous chemicals, these hazardous chemicals are very prone to physical corrosion and electrochemical corrosion, causing tank leakage or shortening of life. Once a tank leaks, it will pollute the environment, soil, water, air, etc., causing serious consequences; its safety, economy, and environmental protection are very poor, especially when the tank is buried underground, leakage is not easy to detect, and it is not easy to repair and maintain; the cost of annual repair and maintenance is greatly increased, wasting manpower and financial resources.

[0003] Therefore, it is urgent to improve the structure of the existing storage tank to solve the above-mentioned problems. Utility Model Content

[0004] The utility model aims to provide a steel double-layer rectangular storage tank with a leakage detection function, which can detect the sealing of the outer tank body through a leakage detection tube according to actual use needs, and is easy to use.

[0005] In order to achieve the above-mentioned purpose, the main technical solutions adopted by the utility model include:

[0006] An outer tank body, wherein the outer tank body is connected by a first bottom plate, a first wall plate, a first top edge reinforcement, and a first top plate, wherein the bottom end of the first wall plate is connected to the top end of the first bottom plate, the outer wall of the first top edge reinforcement is connected to the top inner wall of the first wall plate, and the bottom end of the first top plate is connected to the top end of the first top edge reinforcement;

[0007] An inner tank body, wherein the inner tank body is connected by a second bottom plate, a second wall plate, a second top edge reinforcement, and a second top plate, wherein the bottom end of the second wall plate is connected to the top end of the second bottom plate, the outer wall of the second top edge reinforcement is connected to the top inner wall of the second wall plate, and the bottom end of the second top plate is connected to the top end of the second top edge reinforcement;

[0008] A gap pad, a gap layer is provided between the outer wall of the inner tank body and the inner wall of the outer tank body, the number of the gap pads is set to be several and evenly distributed in the gap layer, and the two sides of the gap pads are respectively connected to the inner wall of the outer tank body and the outer wall of the inner tank body;

[0009] A manhole, the manhole being installed on the top of the outer tank body and the top of the inner tank body, the manhole being connected to the inner cavity of the inner tank body;

[0010] A leakage detection tube is installed on the top of the outer tank body and the top of the inner tank body, the bottom end of the leakage detection tube extends to the bottom end of the inner tank body, and the bottom end of the leakage detection tube is connected to the bottom of the gap layer.

[0011] Preferably, the first bottom plate, the first wall plate, the first top edge reinforcement, and the first top plate, as well as the second bottom plate, the second wall plate, the second top edge reinforcement, and the second top plate are connected by welding.

[0012] Preferably, the top inner wall of the first top edge reinforcement is connected to the top end of the second top plate, and the bottom inner wall of the first top edge reinforcement is connected to the top outer wall of the second wall plate.

[0013] Preferably, the inner cavity of the inner tank body is provided with a plurality of transverse reinforcement rings along the vertical direction, and the outer walls of the transverse reinforcement rings are connected to the inner walls of the second wall panel.

[0014] Preferably, the inner tank body cavity is provided with a plurality of vertical reinforcement columns along the horizontal direction, the bottom ends of the vertical reinforcement columns are connected to the top ends of the second bottom plate, and the top ends of the vertical reinforcement columns are connected to the bottom ends of the second top plate.

[0015] Preferably, the first top edge reinforcement piece, the second top edge reinforcement piece, the transverse reinforcement ring, and the vertical reinforcement column are all made of steel sections.

[0016] The utility model has at least the following beneficial effects:

[0017] 1. This device realizes the storage function of the tank by cooperating with the inner tank body and the outer tank body. It has high structural strength and good protection effect on the inner tank body. The inner tank body and the outer tank body are made by assembly welding, which is easy to manufacture and suitable for mass production in industrial production life.

[0018] 2. Negative pressure is drawn into the gap layer through the leak detection tube or an air pressure test is performed to detect whether there is a leak in the outer tank body. The detection is convenient and quick, which is conducive to ensuring the use effect of the overall storage tank. When the storage tank is buried underground, it can still be detected through the pipe mouth of the leak detection tube on the top, which has high flexibility in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0020] Figure 1 A schematic diagram of the overall external structure provided by the utility model;

[0021] Figure 2 A front view of the overall internal structure provided by the utility model;

[0022] Figure 3 A front view of the internal structure of the outer tank provided by the utility model;

[0023] Figure 4 This is a front view of the internal structure of the inner tank body provided by the utility model.

[0024] In the figure, outer tank body -1, gap pad -2, inner tank body -3, first top edge reinforcement -4, first top plate -5, manhole -6, leakage detection tube -7, second top plate -8, second top edge reinforcement -9, first wall plate -10, transverse reinforcement ring -11, second wall plate -12, first bottom plate -13, second bottom plate -14, vertical reinforcement column -15, gap layer -16, opening -17. DETAILED DESCRIPTION

[0025] The following will describe the implementation methods of the present application in detail with the help of accompanying drawings and examples, so that the implementation process of how the present application uses technical means to solve technical problems and achieve technical effects can be fully understood and implemented accordingly.

[0026] like Figures 1 to 4As shown, the present embodiment provides a steel double-layer rectangular storage tank with a leakage detection function, comprising an outer tank body 1, an inner tank body 3, a manhole 6 and a leakage detection tube 7, wherein the outer tank body 1 is connected by a first bottom plate 13, a first wall plate 10, a first top edge reinforcement 4, and a first top plate 5, wherein the bottom end of the first wall plate 10 is connected to the top of the first bottom plate 13, the outer wall of the first top edge reinforcement 4 is connected to the top inner wall of the first wall plate 10, and the bottom end of the first top plate 5 is connected to the top of the first top edge reinforcement 4, and the inner tank body 3 is connected by a second bottom plate 14, a second wall plate 12, a second top edge reinforcement 9, and a second top plate 8, wherein the bottom end of the second wall plate 12 is connected to the top of the second bottom plate 14, the outer wall of the second top edge reinforcement 9 is connected to the top inner wall of the second wall plate 12, and the bottom end of the second top plate 8 is connected to the top of the second top edge reinforcement 9, and the area between the outer wall of the inner tank body 3 and the inner wall of the outer tank body 1 is set as A gap layer 16 is provided in which a plurality of gap pads 2 are arranged, and the thickness of the gap pads 2 is consistent with the inner diameter width of the gap layer 16. The number of the gap pads 2 is set to be a plurality and is evenly distributed in the gap layer 16. The two sides of the gap pads 2 are respectively connected to the inner wall of the outer tank body 1 and the outer wall of the inner tank body 3. The manhole 6 is installed at the top of the outer tank body 1 and the top of the inner tank body 3. The manhole 6 is connected to the inner cavity of the inner tank body 3. The leakage detection tube 7 is installed at the top of the outer tank body 1 and the top of the inner tank body 3. The bottom end of the leakage detection tube 7 extends to the bottom end of the inner tank body 3. The bottom end of the leakage detection tube 7 is connected to the bottom of the gap layer 16 through the opening 17. The connection between the outer wall of the manhole 6 and the outer tank body 1, the connection between the outer wall of the manhole 6 and the inner tank body 3, the connection between the outer wall of the leakage detection tube 7 and the outer tank body 1, and the connection between the outer wall of the leakage detection tube 7 and the inner tank body 3 are all tightly welded and sealed.

[0027] See also Figures 2 to 4 The first bottom plate 13, the first wall plate 10, the first top edge reinforcement 4, the first top plate 5, and the second bottom plate 14, the second wall plate 12, the second top edge reinforcement 9, and the second top plate 8 are all connected by welding, the top inner wall of the first top edge reinforcement 4 is connected to the top of the second top plate 8, and the bottom inner wall of the first top edge reinforcement 4 is connected to the top outer wall of the second wall plate 12.

[0028] Preferably, see Figure 2 , Figure 4The inner cavity of the inner tank body 3 is provided with a plurality of transverse reinforcement rings 11 along the vertical direction, and the outer wall of the transverse reinforcement ring 11 is connected to the inner wall of the second wall plate 12. The inner cavity of the inner tank body 3 is provided with a plurality of vertical reinforcement columns 15 along the horizontal direction, and the bottom end of the vertical reinforcement column 15 is connected to the top end of the second bottom plate 14, and the top end of the vertical reinforcement column 15 is connected to the bottom end of the second top plate 8. The transverse reinforcement ring 11 is a U-shaped structure, and the vertical reinforcement column 15 is a vertical column structure. The transverse reinforcement ring 11 and the vertical reinforcement column 15 are improved to reinforce the expression of the inner tank body 3 to prevent deformation inside the inner tank body 3. The installation method of the transverse reinforcement ring 11 and the vertical reinforcement column 15 is both selected as welding.

[0029] Preferably, the first top edge reinforcement member 4, the second top edge reinforcement member 9, the transverse reinforcement ring 11, and the vertical reinforcement column 15 are all made of steel sections to ensure the structural strength of the entire storage tank.

[0030] Working principle: When in use, first weld and assemble the various structures of the inner tank body 3, then weld and install the manhole 6 and the leakage detection tube 7, then weld and install the gap pad 2, and finally weld and assemble the various structures of the outer tank body 1. At the same time, weld the gap pad 2, manhole 6, and leakage detection tube 7 to the outer tank body 1, and add storage raw materials into the inner tank body 3 through the manhole 6. When it is necessary to inspect the sealing box of the outer tank body 1, connect the airtight detection equipment to the top of the leakage detection tube 7, and use the airtight detection equipment to detect the air pressure of the gap layer 16. The detection result is used to determine whether there is a leak in the outer tank body 1.

Claims

1. A steel double-layer rectangular storage tank with a leak detection function, characterized in that: include: An outer tank body (1), the outer tank body (1) being connected by a first bottom plate (13), a first wall plate (10), a first top edge reinforcement member (4), and a first top plate (5), wherein the bottom end of the first wall plate (10) is connected to the top end of the first bottom plate (13), the outer wall of the first top edge reinforcement member (4) is connected to the top inner wall of the first wall plate (10), and the bottom end of the first top plate (5) is connected to the top end of the first top edge reinforcement member (4); An inner tank body (3), the inner tank body (3) being connected by a second bottom plate (14), a second wall plate (12), a second top edge reinforcement member (9), and a second top plate (8), the bottom end of the second wall plate (12) being connected to the top end of the second bottom plate (14), the outer wall of the second top edge reinforcement member (9) being connected to the top inner wall of the second wall plate (12), and the bottom end of the second top plate (8) being connected to the top end of the second top edge reinforcement member (9); A gap pad (2), a gap layer (16) is provided between the outer wall of the inner tank body (3) and the inner wall of the outer tank body (1), the number of the gap pads (2) is set to be a plurality and is evenly distributed in the gap layer (16), and the two sides of the gap pad (2) are respectively connected to the inner wall of the outer tank body (1) and the outer wall of the inner tank body (3); A manhole (6), the manhole (6) being installed on the top of the outer tank body (1) and the top of the inner tank body (3), the manhole (6) being in communication with the inner cavity of the inner tank body (3); A leakage detection tube (7), the leakage detection tube (7) being installed on the top of the outer tank body (1) and the top of the inner tank body (3), the bottom end of the leakage detection tube (7) extending to the bottom end of the inner tank body (3), and the bottom end of the leakage detection tube (7) being connected to the bottom of the gap layer (16).

2. A steel double-layer rectangular storage tank with a leak detection function according to claim 1, characterized in that: The first bottom plate (13), the first wall plate (10), the first top edge reinforcement member (4), and the first top plate (5), as well as the second bottom plate (14), the second wall plate (12), the second top edge reinforcement member (9), and the second top plate (8) are all connected by welding.

3. A steel double-layer rectangular storage tank with a leak detection function according to claim 2, characterized in that: The top inner wall of the first top edge reinforcement member (4) is connected to the top end of the second top plate (8), and the bottom inner wall of the first top edge reinforcement member (4) is connected to the top outer wall of the second wall plate (12).

4. A steel double-layer rectangular storage tank with a leak detection function according to claim 1, characterized in that: The inner cavity of the inner tank body (3) is provided with a plurality of transverse reinforcement rings (11) along the vertical direction, and the outer wall of the transverse reinforcement ring (11) is connected to the inner wall of the second wall plate (12).

5. A steel double-layer rectangular storage tank with a leak detection function according to claim 4, characterized in that: A plurality of vertical reinforcement columns (15) are arranged in the inner cavity of the inner tank body (3) along the horizontal direction, the bottom ends of the vertical reinforcement columns (15) are connected to the top ends of the second bottom plate (14), and the top ends of the vertical reinforcement columns (15) are connected to the bottom ends of the second top plate (8).

6. A steel double-layer rectangular storage tank with a leak detection function according to claim 5, characterized in that: The material of the first top edge reinforcement piece (4), the second top edge reinforcement piece (9), the transverse reinforcement ring (11), and the vertical reinforcement column (15) are all selected to be steel sections.

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