Heavy-duty anti-corrosion lining of stainless steel aluminum sulfate storage tank
By lining the aluminum sulfate storage tank with nanocoating and steel bar structure and combining the mixing mechanism, the problem of corrosion of the aluminum sulfate storage tank is solved, the mechanical strength and corrosion resistance are improved, the service life is extended and automated operation is achieved.
Patent Information
- Application Number
- CN202421863079.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-02
- Publication Date
- 2025-07-04
- Estimated Expiration
- 2034-08-02
AI Technical Summary
In the prior art, aluminum sulfate storage tanks are easily corroded due to long-term immersion in 10% aluminum sulfate solution. Traditional anti-corrosion methods cannot meet the needs of high-strength use, which affects the service life of the equipment.
The stainless steel aluminum sulfate storage tank heavy anti-corrosion lining design is adopted, including an inner lining layer and a reinforcement layer. The inner lining layer consists of the first nanocoat and the second nanocoat. The reinforcement layer consists of longitudinal steel bars, stirrers and reinforcement bars. The stirrer and driving mechanism are provided on the outside, and the inner lining layer is coated on the stirrer rod and stirrer leaves.
It improves the mechanical strength and corrosion resistance of the storage tank, extends the service life of the equipment, and reduces the risk of manual operation through automated stirring.
Smart Images

Figure CN223059730U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of anti-corrosion materials, and particularly relates to a heavy anti-corrosion lining for a stainless steel aluminum sulfate storage tank. Background Technique
[0002] Anti-corrosion storage tanks are essential and important basic equipment in industries such as petroleum, chemical industry, grain and oil, food, fire protection, transportation, metallurgy, and national defense. Our economic life is always inseparable from anti-corrosion storage tanks of various sizes. The important role played by anti-corrosion storage tanks in the development of the national economy is irreplaceable.
[0003] For example, the aluminum sulfate anti-corrosion storage tank in a sewage treatment plant is made of 304 stainless steel material, and a heavy anti-corrosion lining is provided on the aluminum sulfate storage tank. This heavy anti-corrosion lining is hand-laid fiberglass. Since the aluminum sulfate anti-corrosion storage tank mainly uses a 10% aluminum sulfate solution as the corrosive medium, and the normal temperature inside the tank is the ambient temperature + 20°C, the aluminum sulfate anti-corrosion storage tank is easily corroded due to being immersed in the corrosive liquid for a long time, thereby affecting the service life of the equipment. Relying only on the method of applying anti-corrosion paint in the traditional process cannot meet the high-strength use of the equipment.
[0004] Therefore, this application proposes a heavy anti-corrosion lining for a stainless steel aluminum sulfate storage tank. Content of the Utility Model
[0005] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art, and provide a heavy anti-corrosion lining for a stainless steel aluminum sulfate storage tank.
[0006] To achieve the above purpose, the technical solution adopted by the utility model is as follows: A heavy anti-corrosion lining for a stainless steel aluminum sulfate storage tank, including a tank body, a stirring mechanism is installed on the tank body, a driving mechanism is connected to the stirring mechanism, and the driving mechanism is located outside the tank body; the tank body is sequentially provided with a lining layer and a strengthening layer from the inside to the outside. The lining layer includes a first nano-coating, and a second nano-coating is provided on the first nano-coating. The strengthening layer includes a first substrate, and a plurality of longitudinal steel bars are vertically installed on the first substrate. A plurality of clamping stirrups are wound around the outside of the plurality of longitudinal steel bars, and a plurality of reinforcing ribs are welded between the plurality of clamping stirrups. The first nano-coating is coated on the side of the first substrate away from the longitudinal steel bars.
[0007] Further, the first nano-coating includes one layer, and the thickness of the first nano-coating is 50μm.
[0008] Further, the second nano-coating includes three layers, and the thickness of each layer of the second nano-coating is 200μm.
[0009] Further, it further includes a second substrate disposed outside the card stirrup, an outer lining layer is provided on the second substrate, and the outer lining layer sequentially includes a first nano-coating, a wear-resistant layer, and a second nano-coating from inside to outside.
[0010] Further, two layers of the inner lining layers are provided at the bottom of the tank body, a wear-resistant layer is provided between the two inner lining layers, and the wear-resistant layer is a fiberglass cloth.
[0011] Further, the stirring mechanism includes a stirring rod, stirring blades are provided on the stirring rod facing the inside of the tank body, and the other end of the stirring rod penetrates through the tank body and is connected to the driving mechanism.
[0012] Further, the driving mechanism includes a motor, a rotating shaft is provided at the output end of the motor, and the rotating shaft is connected to the stirring rod.
[0013] Further, the inner lining layers are provided on the surfaces of both the stirring rod and the stirring blades.
[0014] Further, the card stirrups are arranged in a ring shape.
[0015] Further, the plurality of longitudinal steel bars are equidistantly distributed, and the plurality of stirrups are equidistantly distributed.
[0016] Compared with the prior art, the technical solution of the present application has the following beneficial effects:
[0017] 1. In the present application, an inner lining layer and a strengthening layer are sequentially provided on the tank body from inside to outside. The inner lining layer includes a first nano-coating, a second nano-coating is provided on the first nano-coating, the strengthening layer includes a first substrate, a plurality of longitudinal steel bars are vertically installed on the first substrate, and a plurality of card stirrups are wound outside the plurality of longitudinal steel bars. A plurality of reinforcing ribs are welded between the plurality of card stirrups, thereby improving the mechanical strength of the stainless steel aluminum sulfate storage tank. The first nano-coating is coated on the side of the first substrate away from the longitudinal steel bars, realizing effective protection of the stainless steel aluminum sulfate storage tank, and improving the anti-corrosion performance and service life of the storage tank.
[0018] 2. In the present application, a stirring mechanism is installed on the tank body, the stirring mechanism is connected with a driving mechanism, and the driving mechanism is located outside the tank body, realizing automatic stirring of the stainless steel aluminum sulfate storage tank, facilitating the operation of the staff, and avoiding dangerous accidents caused by manual stirring; at the same time, inner lining layers are provided on both the stirring rod and the stirring blades of the stirring mechanism, thereby further improving the service life of the storage tank. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a schematic structural diagram of the heavy anti-corrosion lining of the stainless steel aluminum sulfate storage tank in the preferred embodiment of the present invention;
[0020] Figure 2 This is a cross-sectional view of the heavy-duty anti-corrosion lining of a stainless steel aluminum sulfate storage tank in a preferred embodiment of the present utility model;
[0021] Figure 3 This is a schematic structural view of the reinforcement layer in a preferred embodiment of the present utility model.
[0022] Reference numerals: 1, tank body; 2, stirring mechanism; 3, driving mechanism; 4, first nano-coating; 5, second nano-coating; 6, first substrate; 7, longitudinal steel bars; 8, clamping stirrups; 9, reinforcing ribs; 10, second substrate; 11, first wear-resistant layer. Specific embodiments
[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.
[0024] Refer to Figures 1 - 3 As shown, in a preferred embodiment of the present utility model, a heavy-duty anti-corrosion lining for a stainless steel aluminum sulfate storage tank includes a tank body 1, a stirring mechanism 2 is installed on the tank body 1, a driving mechanism 3 is connected to the stirring mechanism 2, and the driving mechanism 3 is located outside the tank body 1; an inner lining layer and a reinforcement layer are sequentially provided on the tank body 1 from the inside out. The inner lining layer includes a first nano-coating 4, and a second nano-coating 5 is provided on the first nano-coating 4. The reinforcement layer includes a first substrate 6, a plurality of longitudinal steel bars 7 are vertically installed on the first substrate 6, and a plurality of clamping stirrups 8 are wound around the outside of the plurality of longitudinal steel bars 7. A plurality of reinforcing ribs 9 are welded between the plurality of clamping stirrups 8 to improve the mechanical strength of the stainless steel aluminum sulfate storage tank. The first nano-coating 4 is coated on the side of the first substrate 6 away from the longitudinal steel bars 7 to effectively protect the stainless steel aluminum sulfate storage tank and improve the anti-corrosion performance and service life of the storage tank.
[0025] As a preferred embodiment of the present utility model, it may further have the following additional technical features: The first nano - coating 4 includes one layer, and the thickness of the first nano - coating 4 is 50 μm; and the second nano - coating 5 includes three layers, and the thickness of each layer of the second nano - coating 5 is 200 μm. Thus, a coating with high surface density, nano - level protective net, high surface finish, and low surface energy is formed after curing, making it difficult for the slurry material or crystal in the storage tank to adhere, or even if it adheres, its adhesion force is very small and it is easy to be removed. The second nano - coating is mainly composed of a modified polymer organic compound, hybrid - compounded with special anti - permeability enhanced inorganic nano - materials and double - layer super - molecular nano - materials. It is a nano - level organic - inorganic hybrid composite material, with excellent chemical corrosion resistance, nano - level anti - corrosion medium permeability, excellent mechanical strength and properties, excellent substrate adhesion, high heat resistance, heat - shock resistance, low thermal expansion coefficient, high electro - thermal insulation, high anti - aging property, long service life, and excellent construction and maintenance convenience, etc. It can replace traditional processes such as rubber lining, plastic lining, polyurea lining, flake mastic, granite, acid - resistant tiles, acid - resistant cement, furan, vinyl, and epoxy resin hand - laid fiberglass, and is applicable to high - and low - temperature environments.
[0026] In this embodiment, it further includes a second substrate 10 disposed outside the clamping stirrup 8. An outer lining layer is provided on the second substrate 10, and the outer lining layer sequentially includes a first nano - coating 4, a first wear - resistant layer 11, and a second nano - coating 5 from the inside to the outside. Thus, the anti - corrosion performance of the stainless - steel aluminum sulfate storage tank can be enhanced.
[0027] In this embodiment, two layers of the inner lining layer are provided at the bottom of the tank body 1, and a second wear - resistant layer is provided between the two layers of the inner lining layer. The second wear - resistant layer is a fiberglass cloth. Thus, the wear - resistance and anti - corrosion property of the bottom of the storage tank are enhanced.
[0028] In this embodiment, the stirring mechanism 2 includes a stirring rod 201. The stirring rod 201 is provided with stirring blades 202 facing the inside of the tank body 1. The other end of the stirring rod 201 penetrates through the tank body 1 and is connected to the driving mechanism 3. The inner lining layer is provided on the surfaces of the stirring rod 201 and the stirring blades 202, making the stirring mechanism have good anti - corrosion performance; and the driving mechanism 3 includes a motor, and a rotating shaft is provided at the output end of the motor. The rotating shaft is connected to the stirring rod 201. Thus, automatic stirring of the storage tank can be realized, making it difficult for the slurry material or crystal to adhere to the inner wall of the tank.
[0029] In this embodiment, the clamping stirrups 8 are arranged in a ring shape, and the plurality of longitudinal steel bars 7 are equidistantly distributed, and the plurality of stirrups 8 are equidistantly distributed. Thus, the mechanical strength of the stainless - steel aluminum sulfate storage tank can be improved.
[0030] Working principle of the utility model: By sequentially arranging a lining layer and a strengthening layer from the inside to the outside of the tank body 1, the lining layer includes a first nano-coating 4, a second nano-coating 5 is provided on the first nano-coating 4, the strengthening layer includes a first substrate 6, a plurality of longitudinal steel bars 7 are vertically installed on the first substrate 6, a plurality of clamping stirrups 8 are wound around the outside of the plurality of longitudinal steel bars 7, and a plurality of reinforcing ribs 9 are welded between the plurality of clamping stirrups 8, so as to improve the mechanical strength of the stainless steel aluminum sulfate storage tank. The first nano-coating is coated on the side of the first substrate away from the longitudinal steel bars, realizing effective protection of the stainless steel aluminum sulfate storage tank and improving the anti-corrosion performance and service life of the storage tank.
[0031] Moreover, the lining layer is provided on the surfaces of the stirring rod 201 and the stirring blade 202 of the stirring mechanism, so that the stirring mechanism has good anti-corrosion performance.
[0032] On the premise of not causing conflicts, those skilled in the art can freely combine and superimpose the above-mentioned additional technical features.
[0033] It can be understood that the present utility model is described through some embodiments. As is known to those skilled in the art, without departing from the spirit and scope of the present utility model, various changes or equivalent substitutions can be made to these features and embodiments. Additionally, under the teaching of the present utility model, these features and embodiments can be modified to adapt to specific situations and materials without departing from the spirit and scope of the present utility model. Therefore, the present utility model is not limited by the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application belong to the scope protected by the present utility model.
Claims
1. A heavy-duty anti-corrosion lining for a stainless steel aluminum sulfate storage tank, characterized in that: It includes a tank body, on which a stirring mechanism is installed, and a driving mechanism is connected to the stirring mechanism, and the driving mechanism is located outside the tank body; the tank body is successively provided with a lining layer and a strengthening layer from the inside to the outside. The lining layer includes a first nano-coating, and a second nano-coating is provided on the first nano-coating. The strengthening layer includes a first substrate, and a number of longitudinal steel bars are vertically installed on the first substrate. A number of clamping stirrups are wound around the outside of the number of longitudinal steel bars, and a number of strengthening ribs are welded between the number of clamping stirrups. The first nano-coating is coated on the side of the first substrate away from the longitudinal steel bars.
2. The heavy-duty anti-corrosion lining of the stainless steel aluminum sulfate storage tank according to claim 1, wherein: The first nano-coating includes one layer, and the thickness of the first nano-coating is 50 μm.
3. The heavy-duty anti-corrosion lining for the stainless steel aluminum sulfate storage tank according to claim 1, wherein: The second nano-coating includes three layers, and the thickness of each layer of the second nano-coating is 200 μm.
4. The heavy-duty anti-corrosion lining for the stainless steel aluminum sulfate storage tank according to claim 1, characterized in that: It further includes a second substrate provided outside the clamping stirrups, and an outer lining layer is provided on the second substrate. The outer lining layer successively includes a first nano-coating, a wear-resistant layer, and a second nano-coating from the inside to the outside.
5. The heavy-duty anti-corrosion lining of the stainless steel aluminum sulfate storage tank according to claim 1, wherein: Two layers of the lining layer are provided at the bottom of the tank body, and a wear-resistant layer is provided between the two layers of the lining layer. The wear-resistant layer is a fiberglass cloth.
6. The heavy-duty anti-corrosion lining of the stainless steel aluminum sulfate storage tank according to claim 1, wherein: The stirring mechanism includes a stirring rod, and stirring blades are provided on the stirring rod facing the inside of the tank body. The other end of the stirring rod penetrates through the tank body and is connected to the driving mechanism.
7. The heavy-duty anti-corrosion lining of the stainless steel aluminum sulfate storage tank according to claim 6, characterized in that: The driving mechanism includes a motor, and a rotating shaft is provided at the output end of the motor. The rotating shaft is connected to the stirring rod.
8. The heavy anti-corrosion lining of the stainless steel aluminum sulfate storage tank according to claim 6, characterized in that: The lining layer is provided on the surfaces of both the stirring rod and the stirring blades.
9. The heavy-duty anti-corrosion lining for the stainless steel aluminum sulfate storage tank according to claim 1, wherein: The clamping stirrups are arranged in a ring shape.
10. The heavy anti-corrosion lining of the stainless steel aluminum sulfate storage tank according to claim 1, characterized in that: The number of the longitudinal steel bars are equidistantly distributed, and the number of the stirrups are equidistantly distributed.