Corrosion-resistant sulfuric acid conveying pipeline and storage tank suite

Abstract

The utility model relates to the technical field of sulfuric acid storage, in particular to a corrosion-resistant sulfuric acid conveying pipeline and storage tank suite which comprises a bottom plate, a storage tank fixed to the bottom plate through a plurality of supporting legs is arranged above the bottom plate, a conveying pipe communicated with an inner cavity of the storage tank is fixed to the top face of the storage tank, and a discharging pipe communicated with the inner cavity of the storage tank is fixed to the bottom end of the storage tank. Electromagnetic valves are installed on the outer walls of the discharging pipe and the conveying pipe, a plurality of heating rings are fixed to the outer wall of the storage tank, and the stirring mechanism is arranged in the storage tank and used for stirring sulfuric acid in the storage tank. The storage tank can be heated by arranging a plurality of heating rings, so that sulfuric acid stored in the storage tank can be heated, and the sulfuric acid in the storage tank can be slowly stirred by arranging the stirring mechanism, so that the sulfuric acid in the storage tank is heated more uniformly; the sulfuric acid is prevented from crystallizing in cold weather, so that the storage of the sulfuric acid is prevented from being influenced by crystallization.

Description

Technical Field

[0001] The utility model relates to the technical field of sulfuric acid storage, in particular to a corrosion-resistant sulfuric acid conveying pipeline and a storage tank kit. Background Technique

[0002] Sulfuric acid is the most important oxygen-containing acid of sulfur. Anhydrous sulfuric acid is a colorless oily liquid. Sulfuric acid is one of the most reactive dibasic inorganic strong acids and can react with many metals. Concentrated sulfuric acid has strong water absorption and can be used as a dehydrating agent to carbonize substances containing carbohydrates such as wood, paper, cotton and linen fabrics, and biological skin and flesh.

[0003] When storing sulfuric acid, a sulfuric acid conveying pipe and a storage tank are required. In the prior art, most sulfuric acid storage tanks on the market do not have a heating structure. When storing sulfuric acid in a cold environment, the storage tank without a heating structure is prone to sulfuric acid crystallization, which is not convenient for storing sulfuric acid and not convenient for taking and using sulfuric acid. In view of this, we propose a corrosion-resistant sulfuric acid conveying pipeline and a storage tank kit. Content of the Utility Model

[0004] The purpose of the utility model is to provide a corrosion-resistant sulfuric acid conveying pipeline and a storage tank kit to solve the problem that in the prior art proposed in the above background technique, most sulfuric acid storage tanks on the market do not have a heating structure. When storing sulfuric acid in a cold environment, the storage tank without a heating structure is prone to sulfuric acid crystallization, which is not convenient for storing sulfuric acid and not convenient for taking and using sulfuric acid.

[0005] To achieve the above purpose, the utility model provides the following technical solutions:

[0006] A corrosion-resistant sulfuric acid conveying pipeline and a storage tank kit, including a bottom plate, a storage tank fixed to the top of the bottom plate through a plurality of support legs, a conveying pipe fixed to the top surface of the storage tank and communicating with its inner cavity, a discharge pipe fixed to the bottom end of the storage tank and communicating with its inner cavity, electromagnetic valves are installed on the outer walls of the discharge pipe and the conveying pipe, and a plurality of heating rings are fixed to the outer wall of the storage tank. It also includes:

[0007] A stirring mechanism is arranged inside the storage tank for stirring the sulfuric acid inside the storage tank. The stirring mechanism includes a roller rotatably connected to the top surface of the storage tank. The roller penetrates the top surface of the storage tank and extends to the inside of the storage tank near the bottom end. The stirring mechanism also includes a plurality of stirring rods fixed to the circumferential outer wall of the roller and located inside the storage tank, a rotating rod coaxially fixed to the top surface of the roller, two gears located above the storage tank and used to drive the rotating rod to rotate, and a motor installed on the top surface of the storage tank and used to drive the two gears to rotate, and the two gears mesh with each other.

[0008] As a preferred embodiment, the stirring mechanism further includes a rotating shaft coaxially connected to the output shaft of the motor, and the two gears are respectively coaxially fixed on the circumferential outer walls of the rotating shaft and the rotating rod.

[0009] As a preferred embodiment, an anti-slip plate adapted to the shape of the bottom plate is fixed to the bottom end of the bottom plate, and the thickness of the anti-slip plate is 2-7 cm.

[0010] As a preferred embodiment, the bottom end of the storage tank has a structure that is concave from the periphery to the middle, and the degree of concavity is 12-27°.

[0011] As a preferred embodiment, the conveying pipe includes a pipe body and a corrosion-resistant layer welded and fixed to the inner wall of the pipe body. The material of the corrosion-resistant layer is high-silicon cast iron material, and the thickness of the corrosion-resistant layer is 6-12 mm.

[0012] As a preferred embodiment, sealing rings are provided at the parts where the conveying pipe and the discharging pipe contact the storage tank, and a sealing ring is also provided at the part where the rotating roller contacts the storage tank.

[0013] As a preferred embodiment, the stirring mechanism further includes a protection box fixed on the top surface of the storage tank. The motor is located inside the protection box, and the rotating shaft penetrates through the top surface of the protection box.

[0014] As a preferred embodiment, the distance between the protection box and the rotating rod is 3-12 cm, and the distance between the protection box and the gear on the same side is 4-14 cm.

[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0016] 1. The present utility model can heat the storage tank by arranging a plurality of heating rings, so as to heat the sulfuric acid stored inside the storage tank. By arranging a stirring mechanism, the sulfuric acid inside the storage tank can be slowly stirred, so that the sulfuric acid inside the storage tank is heated more evenly, preventing the sulfuric acid from crystallizing in cold weather, and further preventing the sulfuric acid from crystallizing and affecting its storage and use;

[0017] 2. In the present utility model, the protection box can protect the motor, thereby extending the service life of the motor. Description of the Drawings

[0018] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0019] Figure 2 is a schematic diagram of the internal structure of the storage tank in the present utility model;

[0020] Figure 3 is a cross-sectional view of the conveying pipe in the present utility model;

[0021] Figure 4 It is a schematic diagram of the overall structure of the stirring mechanism in the present utility model;

[0022] Figure 5 It is one of the partial explosion diagrams of the stirring mechanism in the present utility model;

[0023] Figure 6 It is the second partial explosion diagram of the stirring mechanism in the present utility model;

[0024] The meanings of each label in the figure are as follows:

[0025] 1, bottom plate; 2, storage tank; 3, support leg; 4, delivery pipe; 41, pipe body; 42, corrosion-resistant layer; 5, discharge pipe; 6, solenoid valve; 7, stirring mechanism; 71, rotating roller; 72, stirring rod; 73, rotating rod; 74, gear; 75, motor; 76, rotating shaft; 77, protection box; 8, heating ring; 9, anti-slip plate. Specific embodiments

[0026] 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. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0027] Please refer to Figures 1-6 , the present utility model provides a technical solution: a corrosion-resistant sulfuric acid delivery pipeline and storage tank kit, including a bottom plate 1, a storage tank 2 fixed above the bottom plate 1 through a plurality of support legs 3, a delivery pipe 4 fixed on the top surface of the storage tank 2 and communicating with its inner cavity, a discharge pipe 5 fixed at the bottom end of the storage tank 2 and communicating with its inner cavity, solenoid valves 6 are installed on the outer walls of the discharge pipe 5 and the delivery pipe 4, and a plurality of heating rings 8 are fixed on the outer wall of the storage tank 2, and further includes:

[0028] The stirring mechanism 7 is arranged inside the storage tank 2 and is used to stir the sulfuric acid inside the storage tank 2. The stirring mechanism 7 includes a rotating roller 71 rotatably connected to the top surface of the storage tank 2. The rotating roller 71 penetrates through the top surface of the storage tank 2 and extends to a position near the bottom inside the storage tank 2. The stirring mechanism 7 further includes a plurality of stirring rods 72 fixed on the circumferential outer wall of the rotating roller 71 and located inside the storage tank 2, a rotating rod 73 coaxially fixed on the top surface of the rotating roller 71, two gears 74 located above the storage tank 2 and used to drive the rotating rod 73 to rotate, and a motor 75 installed on the top surface of the storage tank 2 and used to drive the two gears 74 to rotate. And the two gears 74 are meshed with each other. It should be added that the heating range of the heating ring 8 is 40 - 100 °C. By arranging a plurality of heating rings 8, the storage tank 2 can be heated, so that the sulfuric acid stored inside the storage tank 2 can be heated. By arranging the stirring mechanism 7, the sulfuric acid inside the storage tank 2 can be slowly stirred, so that the sulfuric acid inside the storage tank 2 is heated more evenly, preventing the sulfuric acid from crystallizing in cold weather, and further preventing the sulfuric acid from crystallizing and affecting its storage.

[0029] In this embodiment, the stirring mechanism 7 further includes a rotating shaft 76 coaxially connected to the output shaft of the motor 75, and the two gears 74 are respectively coaxially fixed on the circumferential outer walls of the rotating shaft 76 and the rotating rod 73, so that the two gears 74 can be smoothly driven to rotate, and further the rotating roller 71 and a plurality of stirring rods 72 can be smoothly driven to rotate.

[0030] In addition, an anti-slip plate 9 is fixed to the bottom end of the bottom plate 1 and is adapted to its shape, and the thickness of the anti-slip plate 9 is 2 - 7 cm, preferably 4 cm in this article, so as to increase the friction between the whole device and the ground, and further make the whole device more stable.

[0031] Furthermore, the bottom end of the storage tank 2 has a structure that is concave from the periphery to the middle, and the degree of concavity is 12 - 27 °, preferably 22 ° in this article, so as to facilitate the unloading of the sulfuric acid inside the storage tank 2.

[0032] Specifically, the delivery pipe 4 includes a pipe body 41 and a corrosion-resistant layer 42 welded and fixed to the inner wall of the pipe body 41. The material of the corrosion-resistant layer 42 is high-silicon cast iron material, and the thickness of the corrosion-resistant layer 42 is 6 - 12 mm, preferably 7 mm in this article, so that the delivery pipe 4 has better corrosion resistance.

[0033] It should be noted that sealing rings are provided at the parts where the delivery pipe 4 and the discharge pipe 5 are in contact with the storage tank 2, and a sealing ring is also provided at the part where the rotating roller 71 is in contact with the storage tank 2, which can make the sealing performance of the whole device better and prevent the sulfuric acid from leaking.

[0034] It should be noted that the stirring mechanism 7 further includes a protective box 77 fixed on the top surface of the storage tank 2. The motor 75 is located inside the protective box 77, and the rotating shaft 76 penetrates through the top surface of the protective box 77, which can protect the motor 75 and thus extend the service life of the motor 75.

[0035] It should be emphasized that the distance between the protective box 77 and the rotating rod 73 is 3 - 12 cm, and the distance between the protective box 77 and the gear 74 on the same side is 4 - 14 cm. In this paper, the distance between the protective box 77 and the rotating rod 73 is preferably 10 cm, and the distance between the protective box 77 and the gear 74 on the same side is preferably 12 cm, so that the rotation of the rotating rod 73 and the two gears 74 is not hindered.

[0036] Finally, it should be noted that the solenoid valve 6, the motor 75 and other components involved in the present utility model are all common standard components or components known to those skilled in the art. Their structures and principles can be known by those skilled in the art through technical manuals or by conventional experimental methods. In the idle space of the present device, all the above-mentioned electrical components, referring to power elements, electrical components, and the adapted controllers and power supplies, are connected by wires. The specific connection means should refer to the working principle of the present utility model, and the electrical components are electrically connected in the order of their working sequence. Their detailed connection means are all well-known technologies in the art.

[0037] In the specific use process of this embodiment, when it is necessary to heat sulfuric acid, first start several heating rings 8 and the motor 75 through an external PLC. After the several heating rings 8 are started, the storage tank 2 can be heated, and after the storage tank 2 is heated, the sulfuric acid inside it can be heated. At the same time, the output shaft of the motor 75 rotates to drive the rotating shaft 76 coaxially connected thereto to rotate. The rotating shaft 76 rotates to drive the gear 74 on the same side coaxially fixed thereto to rotate. This gear 74 rotates to drive the other gear 74 meshing with it to rotate. The other gear 74 rotates to drive the rotating rod 73 coaxially fixed thereto to rotate. The rotating rod 73 rotates to drive the roller 71 coaxially fixed thereto to rotate. The roller 71 rotates to drive several stirring rods 72 fixed thereto to rotate. The several stirring rods 72 rotate to slowly stir the sulfuric acid inside the storage tank 2, so that the sulfuric acid inside the storage tank 2 can fully receive heat and prevent the occurrence of crystallization.

[0038] The foregoing has shown and described the basic principles, principal features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not restricted by the above-mentioned embodiments, which are only preferred examples of the present utility model described in the above-mentioned embodiments and the specification, and are not used to limit the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and all such changes and improvements fall within the scope of the present utility model claimed. The scope of protection claimed for the present utility model is defined by the appended claims and their equivalents.

Claims

1. Corrosion-resistant sulfuric acid transportation pipeline and storage tank kit, including a bottom plate (1), characterized in that, Above the bottom plate (1), there is a storage tank (2) fixed to it through a number of support legs (3). On the top surface of the storage tank (2), there is a delivery pipe (4) connected to its inner cavity. At the bottom end of the storage tank (2), there is a discharge pipe (5) connected to its inner cavity. Solenoid valves (6) are installed on the outer walls of both the discharge pipe (5) and the delivery pipe (4). And on the outer wall of the storage tank (2), there are a number of heating rings (8). Further included are: A stirring mechanism (7), arranged inside the storage tank (2) for stirring the sulfuric acid inside the storage tank (2). The stirring mechanism (7) includes a roller (71) rotatably connected to the top surface of the storage tank (2). The roller (71) penetrates through the top surface of the storage tank (2) and extends to a position near the bottom end inside the storage tank (2). The stirring mechanism (7) further includes a number of stirring rods (72) fixed on the circumferential outer wall of the roller (71) and located inside the storage tank (2), a rotating rod (73) coaxially fixed on the top surface of the roller (71), two gears (74) located above the storage tank (2) and used to drive the rotating rod (73) to rotate, and a motor (75) installed on the top surface of the storage tank (2) and used to drive the two gears (74) to rotate. And the two gears (74) are meshed with each other.

2. The corrosion-resistant sulfuric acid conveying pipeline and storage tank kit according to claim 1, characterized in that: The stirring mechanism (7) further includes a rotating shaft (76) coaxially connected to the output shaft of the motor (75). And the two gears (74) are respectively coaxially fixed on the circumferential outer walls of the rotating shaft (76) and the rotating rod (73).

3. The corrosion-resistant sulfuric acid transport pipeline and storage tank kit according to claim 1, wherein: At the bottom end of the bottom plate (1), there is an anti-slip plate (9) adapted to its shape. And the thickness of the anti-slip plate (9) is 2 - 7 cm.

4. The corrosion-resistant sulfuric acid pipeline and storage tank kit according to claim 1, characterized in that: The bottom end of the storage tank (2) has a structure that is concave from the periphery to the middle, and the degree of concavity is 12 - 27°.

5. The corrosion-resistant sulfuric acid transportation pipeline and storage tank kit according to claim 1, wherein: The delivery pipe (4) includes a pipe body (41) and a corrosion-resistant layer (42) welded and fixed on the inner wall of the pipe body (41). The material of the corrosion-resistant layer (42) is high-silicon cast iron material. And the thickness of the corrosion-resistant layer (42) is 6 - 12 mm.

6. The corrosion-resistant sulfuric acid pipeline and storage tank kit according to claim 1, characterized in that: Sealing rings are provided at the parts where the delivery pipe (4) and the discharge pipe (5) are in contact with the storage tank (2). And a sealing ring is also provided at the part where the roller (71) is in contact with the storage tank (2).

7. The corrosion-resistant sulfuric acid transportation pipeline and storage tank kit according to claim 2, wherein: The stirring mechanism (7) further includes a protection box (77) fixed on the top surface of the storage tank (2). The motor (75) is located inside the protection box (77). And the rotating shaft (76) penetrates through the top surface of the protection box (77).

8. The corrosion-resistant sulfuric acid pipeline and storage tank kit according to claim 7, characterized in that: The distance between the protection box (77) and the rotating rod (73) is 3 - 12 cm. And the distance between the protection box (77) and the gear (74) on the same side is 4 - 14 cm.

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