Heavy-duty anti-corrosion and anti-seepage lining of formic acid wastewater pool

By lining the concrete main body of the formic acid wastewater pool, and setting a nanocoated structure on the inner wall, the serious corrosion problem of stainless steel in the formic acid wastewater pool in the prior art is solved, and higher anti-corrosion and anti-seepage performance and service life are achieved.

CN222822965UActive Publication Date: 2025-05-02WELLABLE NEW MATERIALS ENG CO LTD SHISHI
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Patent Information

Application Number
CN202421538000.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-02
Publication Date
2025-05-02
Estimated Expiration
2034-07-02

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Abstract

The utility model relates to the technical field of anti-corrosion materials, in particular to a heavy-duty anti-corrosion and anti-seepage lining of a formic acid wastewater pool. The heavy-duty anti-corrosion and anti-seepage lining of the formic acid wastewater pool comprises a concrete body, a lining part is arranged in the concrete body and comprises a plurality of longitudinal steel bars, a plurality of stirrups are arranged outside the longitudinal steel bars, reinforcing rods are arranged between the stirrups, a plurality of positioning rods are connected to the outer portions of the stirrups, and the positioning rods are connected to the outer portions of the stirrups. Therefore, the structural strength and stability of the heavy-duty anti-corrosion and anti-seepage lining of the formic acid wastewater pool are improved; the inner wall of the concrete body is provided with a base plate connected with the longitudinal steel bars, the base plate is provided with a first nano coating, the first nano coating is provided with a light-cured nano sheet, and the light-cured nano sheet is provided with a second nano coating, so that the heavy-duty anti-corrosion and anti-seepage lining for the formic acid wastewater pool has good anti-corrosion and anti-seepage performance, and the service life of the heavy-duty anti-corrosion and anti-seepage lining for the formic acid wastewater pool is prolonged. Therefore, the service life of the wastewater pool is prolonged, and the maintenance cost of an enterprise is reduced.
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Description

Technical Field

[0001] The utility model relates to the technical field of anti-corrosion materials, in particular to a heavy-duty anti-corrosion and anti-seepage lining for a formic acid wastewater pool. Background Art

[0002] In the construction process of formic acid wastewater pool, heavy anti-corrosion and anti-seepage lining is needed. However, most of the existing heavy anti-corrosion and anti-seepage linings of formic acid wastewater pool are directly built with concrete substrate lined with 304 stainless steel, which has poor corrosion resistance. Because the corrosive medium is mainly formic acid with a concentration of about 15%, the 304 stainless steel is severely corroded, thinned, and even has multiple perforations and leakages, thereby reducing the practicality of the heavy anti-corrosion and anti-seepage lining of formic acid wastewater pool. To this end, the present application proposes a heavy anti-corrosion and anti-seepage lining of formic acid wastewater pool. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art and to provide a heavy-duty anti-corrosion and anti-seepage lining for a formic acid wastewater pool.

[0004] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is as follows: a heavy-duty anti-corrosion and anti-seepage lining for a formic acid wastewater pool, comprising a concrete main body, an inner lining member arranged inside the concrete main body, the inner lining member comprising a plurality of longitudinal steel bars, a plurality of stirrups arranged outside the longitudinal steel bars, reinforcing rods arranged between the stirrups, and a plurality of positioning rods connected to the outside of the stirrups; a substrate connected to the longitudinal steel bars is arranged on the inner wall of the concrete main body, a first nanocoating is arranged on the substrate, a photocurable nanosheet is arranged on the first nanocoating, and a second nanocoating is arranged on the photocurable nanosheet.

[0005] Furthermore, the thickness of the photocured nanosheet is 2.30-2.50 mm.

[0006] Furthermore, the first nano-coating layer includes two layers, and the thickness of each layer of the first nano-coating layer is 0.045-0.065 mm.

[0007] Furthermore, the second nano-coating is a sealing coating, the sealing coating comprises a layer, and the thickness of the sealing coating is 0.20-0.25 mm.

[0008] Furthermore, the stirrups are rectangular.

[0009] Furthermore, the plurality of longitudinal steel bars are distributed at equal distances, and the plurality of stirrups are distributed at equal distances.

[0010] Furthermore, the outer wall of the concrete body is provided with a wear-resistant layer, and the wear-resistant layer is a wear-resistant coating glue.

[0011] Furthermore, the lower end of the base plate extends horizontally toward the bottom of the pool, and a pressure plate is provided on the bottom of the pool, and the upper end of the pressure plate abuts against the base plate; a plurality of insertion rods are provided below the pressure plate, and a plurality of reinforcing barbs are provided on the outer wall of the insertion rods, and the reinforcing barbs extend radially from bottom to top.

[0012] Furthermore, the positioning rod is extended out of the concrete body, and the extended end is provided with a cone shape.

[0013] Furthermore, the positioning rod and the insertion rod are provided with a wear-resistant layer and an anti-corrosion layer in sequence from the inside to the outside.

[0014] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0015] 1. The present application provides an inner lining member in a concrete body, wherein the inner lining member includes a plurality of longitudinal steel bars, a plurality of stirrups are provided outside the longitudinal steel bars, reinforcing rods are provided between the stirrups, and a plurality of positioning rods are connected to the outside of the stirrups, thereby improving the structural strength and stability of the heavy-duty anti-corrosion and anti-seepage lining of the formic acid wastewater tank.

[0016] 2. The present application provides a substrate connected to the longitudinal steel bars on the inner wall of the concrete body, the substrate is provided with a first nanocoating, the first nanocoating is provided with a photocurable nanosheet, and the photocurable nanosheet is provided with a second nanocoating, so that the heavy-duty anti-corrosion and anti-seepage lining of the formic acid wastewater pool has good anti-corrosion and anti-seepage performance, improves its practicality, thereby extending the service life of the wastewater pool and reducing the maintenance cost of the enterprise. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic structural diagram of a heavy-duty anti-corrosion and anti-seepage lining for a formic acid wastewater pool in a preferred embodiment of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the lining member in the preferred embodiment of the utility model;

[0019] Figure 3 It is a schematic structural diagram of a substrate in a preferred embodiment of the utility model.

[0020] Figure numerals: 1. concrete body; 2. lining; 3. longitudinal reinforcement; 4. stirrups; 5. reinforcing rod; 6. positioning rod; 7. substrate; 8. first nano coating; 9. photocured nano sheet; 10. second nano coating; 11. pressure plate; 12. insertion rod. DETAILED DESCRIPTION

[0021] The technical solution of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] Reference Figure 1-Figure 3 As shown, a preferred embodiment of the utility model is a heavy-duty anti-corrosion and anti-seepage lining for a formic acid wastewater tank, comprising a concrete main body 1, an inner lining member 2 being arranged inside the concrete main body 1, the inner lining member 2 comprising a plurality of longitudinal steel bars 3, a plurality of stirrups 4 being arranged outside the longitudinal steel bars 3, reinforcing rods 5 being arranged between the stirrups 4, and a plurality of positioning rods 6 being connected to the outside of the stirrups 4, thereby improving the structural strength and stability of the heavy-duty anti-corrosion and anti-seepage lining for the formic acid wastewater tank; a substrate 7 connected to the longitudinal steel bars 3 is arranged on the inner wall of the concrete main body 1, a first nano-coating 8 is arranged on the substrate 7, a photocurable nano-sheet 9 is arranged on the first nano-coating 8, and a second nano-coating 10 is arranged on the photocurable nano-sheet 9, so that the heavy-duty anti-corrosion and anti-seepage lining for the formic acid wastewater tank has good anti-corrosion and anti-seepage performance, improves its practicability, thereby extending the service life of the wastewater tank and reducing the maintenance cost of the enterprise.

[0023] As a preferred embodiment of the utility model, it may also have the following additional technical features: the thickness of the photocurable nanosheet 9 is 2.30-2.50 mm. As a result, after curing, it forms a high-strength, high-adhesion, high-temperature-resistant, seamless and sealed anti-corrosion insulating sleeve. The photocurable nanosheet is a multifunctional photocurable fiber-reinforced composite material made of a variety of nano-level corrosion-resistant and anti-seepage materials. The product has a soft film tape appearance, is light in weight, and is easy and quick to construct. It can be cut or cut into various shapes, pasted, wound, and wrapped on the base to be protected or repaired according to engineering needs. The polymer is quickly cross-linked and cured under sunlight or ultraviolet light. The curing time is only 5-20 minutes, and there is almost no solvent volatilization. There is no need for electric welding or fire in the construction process. It can be constructed all year round without maintenance. It can be put into use immediately after construction, which greatly reduces the construction time, construction difficulty and labor cost.

[0024] In this embodiment, the first nano coating 8 includes two layers, each of which has a thickness of 0.045-0.065 mm; the second nano coating 10 is a sealing coating, which includes one layer, and has a thickness of 0.20-0.25 mm. Thus, it is possible to trim the substrate, so that the photocurable nano sheet can effectively protect the substrate.

[0025] In this embodiment, the stirrups 4 are rectangular, and a plurality of the longitudinal steel bars 3 are equidistantly distributed, and a plurality of the stirrups 4 are equidistantly distributed, thereby improving the mechanical strength of the heavy-duty anti-corrosion and anti-seepage lining of the formic acid wastewater tank.

[0026] In this embodiment, the outer wall of the concrete body 1 is provided with a wear-resistant layer, and the wear-resistant layer is a wear-resistant coating glue, thereby improving the anti-corrosion performance and service life of the heavy-duty anti-corrosion and anti-seepage lining.

[0027] In this embodiment, the lower end of the base plate 7 extends horizontally toward the bottom of the pool, and a pressure plate 11 is provided on the bottom of the pool, and the upper end of the pressure plate 11 abuts against the base plate 7; a plurality of plug rods 12 are provided below the pressure plate 11, and a plurality of reinforcement barbs are provided on the outer wall of the plug rod 12, and the reinforcement barbs extend radially from bottom to top. Thus, the heavy anti-corrosion and anti-seepage lining of the formic acid wastewater pool can be firmly connected to the bottom of the pool, ensuring the stability of the formic acid wastewater pool.

[0028] In this embodiment, the positioning rod 6 is extended out of the concrete body 1, and the extended end is provided with a cone; the positioning rod 6 and the insertion rod 12 are provided with a wear-resistant layer and an anti-corrosion layer from the inside to the outside. Thus, the heavy anti-corrosion and anti-seepage lining can be fastened to the side of the tank body, ensuring the stability of the heavy anti-corrosion and anti-seepage lining of the formic acid wastewater tank.

[0029] The working principle of the utility model is as follows: when in use, a first nano coating 8 is applied on the substrate 7 in advance, then a light-cured nano sheet 9 is attached to the first nano coating 8, and finally a second nano coating 10 is applied on the light-cured nano sheet 9, so that the substrate has good anti-corrosion and anti-seepage performance; at the same time, a wear-resistant layer and an anti-corrosion layer are applied on the positioning rod 6 and the insertion rod 12 from the inside to the outside, so that they can be tightly connected with the soil in the pool and are not prone to corrosion;

[0030] The longitudinal steel bars 3, stirrups 4 and reinforcing rods 5 are welded together to form the lining member 2, and then the lining member 2 is welded to the base plate 7, and fixedly inserted into the soil of the pool through the positioning rods 6 and the insertion rods 12, and then concrete is poured between the base plate 7 and the lining member 2; and before pouring the concrete, a wear-resistant layer needs to be applied in the pool to form the outer wall of the concrete body 1, so as to improve the anti-corrosion performance and service life of the heavy anti-corrosion and anti-seepage lining.

[0031] Under the premise that no conflict occurs, those skilled in the art may freely combine and superimpose the above-mentioned additional technical features.

[0032] It is understood that the present invention is described by some embodiments, and those skilled in the art are aware that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, under the teachings of the present invention, these features and embodiments may be modified to adapt to specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the scope of protection of the present invention.

Claims

1. A heavy-duty anti-corrosion and anti-seepage lining for a formic acid wastewater pool, characterized in that: It comprises a concrete body, wherein an inner lining is arranged inside the concrete body, wherein the inner lining comprises a plurality of longitudinal steel bars, a plurality of stirrups are arranged outside the longitudinal steel bars, reinforcing rods are arranged between the stirrups, and a plurality of positioning rods are connected to the outside of the stirrups; a substrate connected to the longitudinal steel bars is arranged on the inner wall of the concrete body, a first nano coating is arranged on the substrate, a photocurable nano sheet is arranged on the first nano coating, and a second nano coating is arranged on the photocurable nano sheet.

2. The heavy-duty anti-corrosion and anti-seepage lining for formic acid wastewater pool according to claim 1 is characterized by: The thickness of the photocurable nanosheet is 2.30-2.50 mm.

3. The heavy-duty anti-corrosion and anti-seepage lining for formic acid wastewater pool according to claim 1 is characterized by: The first nano coating layer includes two layers, and the thickness of each layer of the first nano coating layer is 0.045-0.065 mm.

4. The heavy-duty anti-corrosion and anti-seepage lining for formic acid wastewater pool according to claim 1 is characterized by: The second nano coating is a sealing coating, which includes one layer and has a thickness of 0.20-0.25 mm.

5. The heavy-duty anti-corrosion and anti-seepage lining for formic acid wastewater pool according to claim 1 is characterized by: The stirrups are rectangular.

6. The heavy-duty anti-corrosion and anti-seepage lining for formic acid wastewater pool according to claim 1, characterized in that: The plurality of longitudinal steel bars are distributed at equal distances, and the plurality of stirrups are distributed at equal distances.

7. The heavy-duty anti-corrosion and anti-seepage lining for formic acid wastewater pool according to claim 1 is characterized by: The outer wall of the concrete body is provided with a wear-resistant layer, and the wear-resistant layer is a wear-resistant coating glue.

8. The heavy-duty anti-corrosion and anti-seepage lining for formic acid wastewater pool according to claim 1, characterized in that: The lower end of the base plate extends horizontally toward the pool bottom, a pressure plate is provided on the pool bottom, and the upper end of the pressure plate abuts against the base plate; a plurality of insertion rods are provided below the pressure plate, and a plurality of reinforcing barbs are provided on the outer wall of the insertion rods, and the reinforcing barbs extend radially from bottom to top.

9. The heavy-duty anti-corrosion and anti-seepage lining for formic acid wastewater pool according to claim 8, characterized in that: The positioning rod is extended out of the concrete body, and the extended end is provided with a cone shape.

10. The heavy-duty anti-corrosion and anti-seepage lining for formic acid wastewater pool according to claim 9, characterized in that: The positioning rod and the insertion rod are provided with a wear-resistant layer and an anti-corrosion layer in sequence from the inside to the outside.