Aeration tank for purifying low-salt sewage

Abstract

The utility model belongs to the field of sewage treatment, in particular relates to an aeration tank for purifying low-salt sewage, and aims to solve the problems that sewage impurities easily appear on the inner wall and a large amount of moss grows on the inner wall due to the fact that sewage is stored in the conventional aeration tank for a long time, and the inner wall of the aeration tank is inconvenient to clean. In order to solve the problem that the aeration effect is affected due to the fact that the treatment effect of low-salt sewage is reduced due to impurities and moss, the utility model provides the following scheme: the aeration tank comprises an aeration tank body, the outer wall of the aeration tank body is communicated with a water inlet pipe and a ventilation pipe respectively, and the outer wall of the ventilation pipe is provided with a one-way valve. When the low-salt sewage treatment device is used, low-salt sewage can be effectively mixed and uniformly stirred, pollutants in the sewage can be promoted to be in full contact with microorganisms, the purification efficiency is improved, impurities and sludge attached to the inner wall can be scraped, the interior of the aeration tank is kept clean, meanwhile, the cleaning effect on the inner wall of the aeration tank is further enhanced, and the service life of the aeration tank is prolonged. The long-term use effect of the aeration tank is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment, in particular to an aeration tank for purifying low-salt sewage. Background Art

[0002] Low-salt wastewater refers to wastewater with a relatively low salt content. Typically, wastewater with a salt content below a certain value (for example, total dissolved solids (TDS) less than 1000 mg / L) is defined as low-salt wastewater. However, the specific definition may vary depending on different application scenarios and industry standards.

[0003] After searching, the patent with authorization announcement number CN221296442U proposed an aeration device for sewage purification. This technical solution has the following problems:

[0004] Currently, due to the long-term storage of sewage in the aeration tank, sewage impurities and a large amount of moss are easily formed on the inner wall, and it is inconvenient to clean the inner wall of the aeration tank. As a result, the impurities and moss will reduce the treatment effect of low-salt sewage, thereby affecting the aeration effect.

[0005] In response to the above problems, this utility model document proposes an aeration tank for purifying low-salt sewage. Utility Model Content

[0006] The utility model provides an aeration tank for purifying low-salt sewage, which solves the shortcomings of the prior art that, due to the long-term storage of sewage in the aeration tank, sewage impurities are easily formed on the inner wall and a large amount of moss grows, and it is inconvenient to clean the inner wall of the aeration tank, resulting in the impurities and moss reducing the treatment effect of the low-salt sewage, thereby affecting the aeration effect.

[0007] The utility model provides the following technical solutions:

[0008] An aeration tank for purifying low-salt sewage, comprising:

[0009] An aeration tank body, wherein the outer wall of the aeration tank body is respectively connected to a water inlet pipe and a vent pipe, and the outer wall of the vent pipe is provided with a one-way valve;

[0010] The stirring and decontamination mechanism is arranged inside the aeration tank body and is used to stir the low-salt sewage and clean the inner wall of the aeration tank body;

[0011] The driving mechanism is arranged on the aeration tank body and is used to drive the stirring and removing mechanism to operate and process.

[0012] In one possible design, the drive mechanism includes a mounting plate, a motor, a gear, a slide rail, a swivel, multiple mounting blocks, multiple rollers and multiple teeth. The mounting plate is fixedly arranged on the top side of the aeration tank body, and the motor is fixedly mounted on the top of the mounting plate. The output end of the motor passes through the top side of the mounting plate and extends to the bottom of the mounting plate. The output end of the motor is fixed to the top side of the gear through a coupling.

[0013] In one possible design, the plurality of teeth are fixedly provided on the inner wall of the rotating ring and mesh with the gear, the plurality of mounting blocks are fixedly provided on the outer wall of the rotating ring, each of the rollers is fixedly installed on the bottom of the mounting block, and the slide rail is opened on the inner wall of the aeration tank body for limiting the sliding of the roller.

[0014] In one possible design, the stirring and removing mechanism includes multiple support rods, a stirring shaft, multiple stirring rods, multiple fixed plates, multiple scrapers and multiple removing roller brushes. The multiple support rods are fixedly arranged on the inner wall of the rotating ring, the stirring shaft is fixedly arranged on one end of the multiple support rods, and the multiple stirring rods are fixedly arranged on the outer wall of the stirring shaft, which is used to mix and stir the low-salt sewage inside the aeration tank body.

[0015] In a possible design, each of the fixed plates is fixedly arranged on the bottom side of the support rod, the scraper is fixedly installed on the bottom side of the fixed plate, and the decontamination roller brush is rotatably connected to the bottom side of the fixed plate through a rotating shaft for cleaning the inner wall of the aeration tank body.

[0016] In a possible design, the bottom of the aeration tank body is connected to a drain pipe, and a valve is provided on the outer wall of the drain pipe.

[0017] In the present application, when in use, first, low-salt sewage enters the aeration tank body through the water inlet pipe. At the same time, the one-way valve on the vent pipe allows air to enter the aeration tank in one direction, providing the necessary oxygen environment for the microorganisms in the sewage and promoting the biological degradation process of the sewage. When the aeration tank starts working, the motor installed on the top of the aeration tank body is started through the mounting plate. The output end of the motor is connected to the gear through a coupling, and drives the gear to rotate. The rotation of the gear further drives the multiple teeth on the inner wall of the rotating ring engaged with it to rotate. The rotating ring slides on the slide rail provided on the inner wall of the aeration tank body through multiple mounting blocks and rollers on its outer wall, ensuring that the rotating ring rotates stably in the horizontal direction, so as to drive the mixing and degreasing mechanism to rotate, which is conducive to achieving the cleaning effect.

[0018] As the rotating ring rotates, multiple support rods fixed on its inner wall also rotate accordingly. The stirring shaft at one end of the support rod and the multiple stirring rods on it rotate in the aeration tank, effectively mixing and stirring the low-salt sewage, promoting full contact between pollutants in the sewage and microorganisms, and improving purification efficiency. At the same time, the fixed plate on the bottom side of each support rod drives the scraper to rotate close to the inner wall of the aeration tank body, which is conducive to scraping off impurities and sludge attached to the inner wall, preventing scaling, and keeping the inside of the aeration tank clean. The decontamination roller is connected to the bottom side of the fixed plate through the rotating shaft and rotates with the rotation of the fixed plate, further enhancing the cleaning effect of the inner wall of the aeration tank and ensuring the long-term use of the aeration tank. After a period of aeration and stirring, the pollutants in the sewage are effectively degraded. When the treated sewage needs to be discharged, the valve on the outer wall of the drain pipe is opened, and the treated sewage is discharged from the aeration tank through the drain pipe to enter the next stage of treatment or reuse.

[0019] In the utility model, the aeration tank for purifying low-salt sewage can effectively mix and evenly stir the low-salt sewage through the stirring and decontamination mechanism, promote the full contact between pollutants in the sewage and microorganisms, and also facilitate the scraping of impurities and sludge attached to the inner wall, thereby keeping the interior of the aeration tank clean.

[0020] In the utility model, the aeration tank for purifying low-salt sewage can ensure that the rotating ring rotates stably in the horizontal direction through the driving mechanism, so as to drive the stirring and removing mechanism to rotate, which is conducive to achieving the cleaning effect;

[0021] In the utility model, low-salt sewage can be effectively mixed and stirred, thereby promoting full contact between pollutants in the sewage and microorganisms, improving purification efficiency, and being conducive to scraping off impurities and sludge attached to the inner wall, thereby keeping the inside of the aeration tank clean. At the same time, the cleaning effect of the inner wall of the aeration tank is further enhanced, thereby ensuring the long-term use effect of the aeration tank. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the main structure of an aeration tank for purifying low-salt sewage provided by an embodiment of the utility model;

[0023] Figure 2 A schematic diagram of the structure of an aeration tank body for purifying low-salt sewage provided by an embodiment of the utility model;

[0024] Figure 3 A schematic diagram of a rotating ring structure of an aeration tank for purifying low-salt sewage provided by an embodiment of the utility model;

[0025] Figure 4 This is a schematic structural diagram of the stirring and decontamination mechanism of an aeration tank for purifying low-salt sewage provided by an embodiment of the utility model.

[0026] Reference numerals:

[0027] 1. Aeration tank body; 2. Water inlet pipe; 3. Drain pipe; 4. Valve; 5. Vent pipe; 6. Check valve; 7. Mounting plate; 8. Motor; 9. Gear; 10. Slide rail; 11. Swivel; 12. Mounting block; 13. Roller; 14. Teeth; 15. Support rod; 16. Agitator shaft; 17. Agitator rod; 18. Fixing plate; 19. Scraper; 20. De-massification roller brush. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present invention will be described clearly and completely 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 the embodiments. Example

[0029] Please refer to Figures 1-4 , an aeration tank, comprising:

[0030] The aeration tank body 1 has an outer wall connected to a water inlet pipe 2 and a vent pipe 5, respectively. A one-way valve 6 is provided on the outer wall of the vent pipe 5. Low-salt sewage enters the aeration tank body 1 through the water inlet pipe 2. The one-way valve 6 on the vent pipe 5 allows air to enter the aeration tank in one direction, providing the necessary oxygen environment for the microorganisms in the sewage and promoting the biodegradation process of the sewage.

[0031] The stirring and decontamination mechanism is arranged inside the aeration tank body 1 and is used to stir the low-salt sewage and clean the inner wall of the aeration tank body 1. The stirring and decontamination mechanism includes multiple support rods 15, a stirring shaft 16, multiple stirring rods 17, multiple fixed plates 18, multiple scrapers 19 and multiple decontamination roller brushes 20. The multiple support rods 15 are fixedly arranged on the inner wall of the rotating ring 11, the stirring shaft 16 is fixedly arranged at one end of the multiple support rods 15, and the multiple stirring rods 17 are fixedly arranged on the outer wall of the stirring shaft 16, and are used to mix and stir the low-salt sewage inside the aeration tank body 1. As the rotating ring 11 rotates, the multiple support rods 15 fixed on its inner wall also rotate accordingly. The stirring shaft 16 at one end of the support rod 15 and the multiple stirring rods 17 thereon rotate in the aeration tank, effectively mixing and stirring the low-salt sewage, promoting full contact between pollutants in the sewage and microorganisms, and improving purification efficiency.

[0032] Each fixed plate 18 is fixedly mounted on the bottom side of the support rod 15, and a scraper 19 is fixedly installed on the bottom side of the fixed plate 18. The fixed plate 18 on the bottom side of each support rod 15 drives the scraper 19 to rotate closely against the inner wall of the aeration tank body 1, which helps scrape away impurities and sludge attached to the inner wall, prevents scaling, and maintains the cleanliness of the aeration tank. The decontamination roller 20 is rotatably connected to the bottom side of the fixed plate 18 via a rotating shaft and is used to clean the inner wall of the aeration tank body 1. The decontamination roller 20 is rotatably connected to the bottom side of the fixed plate 18 via a rotating shaft and rotates with the rotation of the fixed plate 18, further enhancing the cleaning effect of the inner wall of the aeration tank and ensuring the long-term use of the aeration tank. After a period of aeration and mixing, the pollutants in the sewage are effectively degraded.

[0033] The driving mechanism is arranged on the aeration tank body 1 to drive the mixing and degreasing mechanism to operate and process. The driving mechanism includes a mounting plate 7, a motor 8, a gear 9, a slide rail 10, a swivel 11, multiple mounting blocks 12, multiple rollers 13 and multiple teeth 14. The mounting plate 7 is fixedly arranged on the top side of the aeration tank body 1, and the motor 8 is fixedly installed on the top of the mounting plate 7. The output end of the motor 8 passes through the top side of the mounting plate 7 and extends to the bottom of the mounting plate 7. The output end of the motor 8 is fixed to the top side of the gear 9 through a coupling. The multiple teeth 14 are all fixed on the inner wall of the swivel 11 and mesh with the gear 9. The motor 8 installed on the top of the aeration tank body 1 is started through the mounting plate 7. The output end of the motor 8 is connected to the gear 9 through a coupling and drives the gear 9 to rotate. The rotation of the gear 9 further drives the multiple teeth 14 on the inner wall of the swivel 11 meshing with it to rotate. Multiple mounting blocks 12 are fixedly arranged on the outer wall of the rotating ring 11, and each roller 13 is fixedly mounted on the bottom of the mounting block 12. The slide rail 10 is opened on the inner wall of the aeration tank body 1 for limiting the sliding of the roller 13. The rotating ring 11 slides on the slide rail 10 opened on the inner wall of the aeration tank body 1 through the multiple mounting blocks 12 and rollers 13 on its outer wall, ensuring that the rotating ring 11 rotates stably in the horizontal direction, so as to drive the mixing and degreasing mechanism to rotate, which is conducive to achieving the cleaning effect.

[0034] This application can be used in the field of low-salt sewage purification, and can also be used in other fields applicable to this application. Example

[0035] refer to Figure 1 , improved on the basis of Example 1: an aeration tank for low-salt sewage purification, which is applied to the field of low-salt sewage purification;

[0036] The bottom of the aeration tank body 1 is connected to a drain pipe 3, and a valve 4 is provided on the outer wall of the drain pipe 3. When the valve 4 on the outer wall of the drain pipe 3 is opened, the treated sewage is discharged from the aeration tank through the drain pipe 3 so as to enter the next stage of treatment or reuse.

[0037] However, as is well known to those skilled in the art, the working principles and wiring methods of the motor 8 are commonplace, and are conventional means or common knowledge, and will not be elaborated here. Those skilled in the art can make any selections according to their needs or convenience.

[0038] The above are only specific embodiments of the present invention, but the scope of protection of the present invention is not limited to them. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in this utility model should be included in the scope of protection of the present utility model. The embodiments of the present utility model and the features of the embodiments can be combined with each other unless there is a conflict. Therefore, the scope of protection of the present utility model shall be based on the scope of protection of the claims.

Claims

1. An aeration tank for purifying low-salt sewage, characterized in that: include: An aeration tank body (1), wherein the outer wall of the aeration tank body (1) is respectively connected to a water inlet pipe (2) and a vent pipe (5), and the outer wall of the vent pipe (5) is provided with a one-way valve (6); A stirring and decontamination mechanism, which is arranged inside the aeration tank body (1) and is used to stir the low-salt sewage and clean the inner wall of the aeration tank body (1); A driving mechanism is provided on the aeration tank body (1) and is used to drive the stirring and degreasing mechanism to operate and process.

2. The aeration tank for purifying low-salt sewage according to claim 1, characterized in that: The driving mechanism comprises a mounting plate (7), a motor (8), a gear (9), a slide rail (10), a rotating ring (11), a plurality of mounting blocks (12), a plurality of rollers (13) and a plurality of teeth (14); the mounting plate (7) is fixedly arranged on the top side of the aeration tank body (1); the motor (8) is fixedly mounted on the top of the mounting plate (7); the output end of the motor (8) passes through the top side of the mounting plate (7) and extends to the bottom of the mounting plate (7); the output end of the motor (8) is fixed to the top side of the gear (9) via a coupling.

3. The aeration tank for purifying low-salt sewage according to claim 2, characterized in that: The plurality of teeth (14) are fixedly arranged on the inner wall of the rotating ring (11) and mesh with the gear (9); the plurality of mounting blocks (12) are fixedly arranged on the outer wall of the rotating ring (11); each roller (13) is fixedly mounted on the bottom of the mounting block (12); and the slide rail (10) is provided on the inner wall of the aeration tank body (1) for limiting the sliding of the roller (13).

4. The aeration tank for purifying low-salt sewage according to claim 2, characterized in that: The stirring and decontamination mechanism comprises a plurality of support rods (15), a stirring shaft (16), a plurality of stirring rods (17), a plurality of fixed plates (18), a plurality of scrapers (19) and a plurality of decontamination roller brushes (20), wherein the plurality of support rods (15) are fixedly arranged on the inner wall of the rotating ring (11), the stirring shaft (16) is fixedly arranged on one end of the plurality of support rods (15), and the plurality of stirring rods (17) are fixedly arranged on the outer wall of the stirring shaft (16), and is used for stirring and mixing the low-salt sewage inside the aeration tank body (1).

5. The aeration tank for purifying low-salt sewage according to claim 4, characterized in that: Each of the fixed plates (18) is fixedly arranged on the bottom side of the support rod (15), the scraper (19) is fixedly installed on the bottom side of the fixed plate (18), and the decontamination roller brush (20) is rotatably connected to the bottom side of the fixed plate (18) via a rotating shaft and is used to clean the inner wall of the aeration tank body (1).

6. The aeration tank for purifying low-salt sewage according to claim 1, characterized in that: The bottom of the aeration tank body (1) is connected to a drainage pipe (3), and a valve (4) is provided on the outer wall of the drainage pipe (3).

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