Sewage treatment device

By setting up a dosing and stirring system with a pre-filter box and a treatment box in the sewage treatment device, the problem of silt and debris in the sewage affecting the treatment effect is solved, and efficient removal of sewage and dosing treatment is achieved to ensure that the sewage meets the discharge standards.

CN222540512UActive Publication Date: 2025-02-28CHIZHOU DEQI ENVIRONMENTAL PROTECTION TECH CO LTD
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Patent Information

Application Number
CN202421143849.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-21
Publication Date
2025-02-28
Estimated Expiration
2034-05-21

AI Technical Summary

Technical Problem

The existing sewage treatment device does not have a pre-filter device, resulting in poor sewage drug treatment effect, and the sewage often carries a large amount of sewage and other debris, affecting the treatment efficiency.

Method used

A sewage treatment device is designed, including a fixed table, a filter box and a treatment box. Three sets of filter plates are provided in the filter box. The filtered sewage is introduced into the treatment box through a water diversion pump. A drug storage tank and a stirring system are installed in the treatment box for drug addition and stirring to ensure that the agent is evenly mixed with the sewage.

Benefits of technology

The pre-filter device effectively removes silt and debris in the sewage, improves the cleanliness of the sewage, makes subsequent dosing treatment more efficient, and makes the sewage meet the discharge standards.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a sewage treatment device. The sewage treatment device comprises a fixed table, two groups of supporting plates are symmetrically mounted at the bottom of the fixed table, a filter box is mounted on the left side of the top of the fixed table, a treatment box is mounted on the right side of the top of the fixed table, and the filter box and the treatment box are connected through a primer pump. The filter box is installed on the left side of the top of the fixed table, the filter assembly is installed in the filter box and composed of the three filter plates, the diameters of the filter holes formed in the three filter plates are sequentially reduced, and after sewage enters the filter box through the water inlet pipe, the sewage can sequentially pass through the three filter plates, and then the sewage is filtered out through the filter plate. Sediment and other sundries carried in the sewage are retained in the filter box through the three groups of filter plates, so that the sewage entering the treatment box through the primer pump does not carry a large amount of large-particle sediment sundries, and subsequent dosing treatment is facilitated.
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Description

Technical Field

[0001] The utility model belongs to the technical field of sewage treatment, and in particular relates to a sewage treatment device. Background Art

[0002] Sewage treatment is an important field involving environmental protection and resource recycling. It reduces the negative impact of sewage on the ecosystem through a series of process steps and converts sewage into reusable resources. Raw sewage refers to untreated domestic and industrial wastewater directly discharged from cities. At present, raw sewage can be heat exchanged through a sewage source heat pump system to provide indoor cooling and heating for urban buildings. This method is energy-saving, environmentally friendly and pollution-free. In the process of sewage reuse, it is necessary to overcome technical difficulties such as blockage, corrosion and heat exchange efficiency. The sewage source heat pump system consists of a sewage heat exchanger and a sewage source heat pump, which can achieve efficient heat transfer. Sewage treatment is not only a technical issue, it also involves policy support, technological innovation and public participation. Through comprehensive measures, the efficiency and sustainability of sewage treatment can be effectively improved, while promoting the recycling of resources, protecting the environment and supporting green development.

[0003] The existing authorization number is CN220412915U, which discloses a sewage treatment device that is convenient for adding medicine, including: a treatment tank, one side of the treatment tank is connected to a feed pipe, a feed port is opened on the top of the treatment tank, a plug is threadedly connected on the feed port, a medicine storage frame is provided inside the treatment tank, a motor is installed on the top of the treatment tank, the output shaft of the motor is connected to a connecting rod, the connecting rod is fixedly connected to the bottom of the medicine storage frame, a stirring rod is fixedly installed on the bottom of the medicine storage frame, and a dosing device for intermittently dosing the treatment tank is provided on the stirring rod. The utility model is provided with a dosing device, which enables the sewage treatment device to more evenly put the medicine into the treatment tank when adding medicine, and the medicine is intermittently put in under the rotation of the motor, so that the medicine is more efficiently mixed with the sewage, thereby improving the efficiency of the device in sewage treatment. However, the above-mentioned sewage treatment device that is easy to add drugs is not equipped with a pre-filter device, which may lead to problems such as poor sewage treatment effect of adding drugs. Sewage often carries a large amount of mud and other debris. When treating sewage, it is necessary to first remove the mud and other debris carried in the sewage, and then perform drug treatment. This can realize the sewage treatment operation more quickly and efficiently. Therefore, it is necessary to provide a sewage treatment device to solve the above problems. Utility Model Content

[0004] The technical content of the utility model is to provide a sewage treatment device.

[0005] In order to solve the above problems, the utility model provides a sewage treatment device, comprising a fixed platform, two groups of support plates are symmetrically installed on the bottom of the fixed platform, a filter box is installed on the left side of the top of the fixed platform, and a treatment box is installed on the right side of the top of the fixed platform, and the filter box and the treatment box are connected by a water diversion pump; a filter assembly, the filter assembly is installed inside the filter box, the filter assembly includes a first filter plate, a second filter plate and a third filter plate, and the tops of the first filter plate, the second filter plate and the third filter plate are all installed with pull plates; a medicine storage tank, the medicine storage tank is fixedly installed on the top of the treatment box, a motor is installed on the top of the medicine storage tank, a stirring shaft is installed on the bottom of the motor, a stirring plate is installed on the stirring shaft, and a dosing pipe is installed on the bottom of the medicine storage tank.

[0006] As a further solution of the utility model, a base plate is installed at the bottom of the support plate, and the top area of ​​the base plate is larger than the bottom area of ​​the support plate. Fixed plates are installed at the bottom of the front and back sides of the filter box and the treatment box, and the fixed plates are fixedly connected to the fixed platform by two groups of mutually symmetrical fixing bolts, so that the filter box and the treatment box can be fixedly installed on the top of the fixed platform.

[0007] As a further solution of the present invention, a water inlet pipe is installed at the lower left end of the filter box, and the water inlet pipe is connected to the internal space of the filter box. A pipe cover is installed at the left end of the water inlet pipe. A drain pipe is installed at the lower right end of the treatment box, and the drain pipe is connected to the internal space of the treatment box. A pipe cover is also installed on the right side of the drain pipe to close the drain pipe.

[0008] As a further solution of the present invention, a mounting plate is installed in the middle of the top of the fixed platform, the water diversion pump is installed on the top of the mounting plate, two groups of fixing rings are symmetrically installed on the outside of the water diversion pump, the bottom sides of the fixing rings are fixedly connected to the mounting plate through fixing bolts, and connecting pipes are inserted and installed on both sides of the water diversion pump, a group of connecting pipes on the left side is inserted into the interior of the filter box, and a group of connecting pipes on the right side is inserted into the interior of the treatment box, so that the sewage treated by the filter box can be introduced into the interior of the treatment box for further drug addition treatment.

[0009] As a further solution of the present invention, three groups of through grooves are evenly opened on the top of the filter box, and the three groups of through grooves correspond to the first filter plate, the second filter plate and the third filter plate. The first filter plate, the second filter plate and the third filter plate are provided with filter holes, and the diameters of the filter holes provided on the first filter plate, the second filter plate and the third filter plate decrease successively. The bottoms of the first filter plate, the second filter plate and the third filter plate are all installed with plug plates, and three groups of slot plates are symmetrically installed on the inner bottom surface of the filter box, and the plug plates are inserted in the slots provided on the top of the slot plates. A handle is installed on the top of the pull plate, and the first filter plate, the second filter plate and the third filter plate can be easily pulled upward out of the filter box by the handle.

[0010] As a further solution of the utility model, three groups of mud discharge ports are opened at the bottom of the filter box, a group of mud discharge ports on the left side is opened on the left side of the first filter plate, a group of mud discharge ports in the middle is opened between the first filter plate and the second filter plate, and a group of mud discharge ports on the right side is opened between the second filter plate and the third filter plate, and a group of mud discharge pipes are fixedly installed in the middle of each group of mud discharge ports, and the mud discharge pipes pass through the through holes opened on the left side of the top of the fixed platform and extend to the bottom of the fixed platform, and a pipe cover is installed at the bottom of each group of mud discharge pipes to close the mud discharge pipes.

[0011] As a further solution of the present invention, the interior of the medicine storage tank is configured as a hollow structure and four groups of dosing pipes are symmetrically installed at the four corners of its bottom, the bottom of the dosing pipe extends into the internal space of the processing box and a nozzle is installed at the bottom thereof, a medicine inlet pipe is installed on the top of the medicine storage tank, the bottom of the stirring shaft is rotatably connected to the inner bottom surface of the processing box, two rows of stirring plates are symmetrically installed on the stirring shaft, a protective tube is installed in the middle of the interior of the medicine storage tank, and a section of the stirring shaft that is inside the medicine storage tank is located inside the protective tube to avoid contamination of the medicines in the medicine storage tank.

[0012] Compared with the related art, the sewage treatment device provided by the utility model has the following beneficial effects:

[0013] 1. The utility model installs a filter box on the left side of the top of the fixed platform, and a filter assembly is installed inside the filter box. The filter assembly is composed of three groups of filter plates. The diameters of the filter holes opened on the three groups of filter plates decrease successively. After the sewage enters the interior of the filter box through the water inlet pipe, the sewage will pass through the three groups of filter plates in sequence, so that the mud and sand and other debris carried in the sewage will be retained in the interior of the filter box through the three groups of filter plates, so that the sewage entering the interior of the treatment box through the water diversion pump does not carry a large amount of large particles of mud and sand, so as to facilitate subsequent dosing treatment.

[0014] 2. The utility model installs plug plates at the bottom of the first filter plate, the second filter plate and the third filter plate, and three groups of slot plates are symmetrically installed on the inner bottom surface of the filter box. The plug plates are inserted into the slots opened on the top of the slot plates, and then the first filter plate, the second filter plate and the third filter plate can be installed into the interior of the filter box by plugging. This installation method makes the first filter plate, the second filter plate and the third filter plate very stable after installation, and will not shake under the impact of water flow.

[0015] 3. The utility model installs a medicine storage tank on the top of the treatment box, and four groups of medicine adding pipes are installed at the bottom of the medicine storage tank. The bottom of the medicine adding pipe extends to the internal space of the treatment box. The medicine can be sprayed into the internal space of the treatment box through the medicine adding pipe. The stirring shaft drives the stirring plate to rotate in the treatment box, so that the medicine and sewage can be fully mixed, thereby precipitating harmful substances in the sewage and sterilizing bacteria in the sewage, so that the sewage meets the discharge standard. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to facilitate understanding by those skilled in the art, the present invention is further described below in conjunction with the accompanying drawings.

[0017] Figure 1 This is a top view of a three-dimensional structure diagram of a sewage treatment device of the utility model;

[0018] Figure 2 This is a bottom-up three-dimensional structural schematic diagram of a sewage treatment device of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of a filter assembly of a sewage treatment device of the utility model;

[0020] Figure 4 This is a schematic cross-sectional view of a filter box of a sewage treatment device of the utility model;

[0021] Figure 5 This is a schematic cross-sectional view of a treatment box of a sewage treatment device of the utility model;

[0022] Figure 6 This is a schematic diagram of the structure of a first filter plate of a sewage treatment device of the utility model;

[0023] Figure 7 This is a schematic diagram of the structure of a water diversion pump for a sewage treatment device of the utility model;

[0024] Figure 8 The utility model is a schematic diagram of the cross-sectional structure of a medicine storage tank of a sewage treatment device.

[0025] In the figure: 1. fixed table; 2. support plate; 3. filter box; 4. treatment box; 5. water pump; 6. first filter plate; 7. second filter plate; 8. third filter plate; 9. pull plate; 10. medicine storage tank; 11. motor; 12. stirring shaft; 13. stirring plate; 14. dosing pipe; 15. bottom plate; 16. fixed plate; 17. water inlet pipe; 18. drain pipe; 19. mounting plate; 20. fixing ring; 21. connecting pipe; 22. plug plate; 23. slot plate; 24. mud discharge pipe; 25. medicine inlet pipe; 26. protective pipe. DETAILED DESCRIPTION

[0026] Please refer to Figure 1-8 A sewage treatment device comprises a fixed platform 1, two groups of support plates 2 are symmetrically installed at the bottom of the fixed platform 1, a filter box 3 is installed on the left side of the top of the fixed platform 1, a treatment box 4 is installed on the right side of the top of the fixed platform 1, and the filter box 3 and the treatment box 4 are connected through a water diversion pump 5; a filter component, the filter component is installed inside the filter box 3, the filter component comprises a first filter plate 6, a second filter plate 7 and a third filter plate 8, and a pull plate 9 is installed on the top of the first filter plate 6, the second filter plate 7 and the third filter plate 8; a medicine storage tank 10, the medicine storage tank 10 is fixedly installed on the top of the treatment box 4, a motor 11 is installed on the top of the medicine storage tank 10, a stirring shaft 12 is installed at the bottom of the motor 11, a stirring plate 13 is installed on the stirring shaft 12, and a dosing pipe 14 is installed at the bottom of the medicine storage tank 10.

[0027] Preferably, a bottom plate 15 is installed at the bottom of the support plate 2, and the top area of ​​the bottom plate 15 is larger than the bottom area of ​​the support plate 2, thereby providing good stability for the support plate 2, so that the two groups of support plates 2 symmetrically installed at the bottom of the fixed platform 1 can provide good support for the fixed platform 1, avoiding the instability of the fixed platform 1 during sewage treatment operations, and the bottoms of the front and back sides of the filter box 3 and the treatment box 4 are both installed with fixing plates 16, and the fixing plates 16 are fixedly connected to the fixed platform 1 through two groups of mutually symmetrical fixing bolts, so that the filter box 3 and the treatment box 4 can be fixedly installed on the top of the fixed platform 1;

[0028] Preferably, a water inlet pipe 17 is inserted and installed at the lower left end of the filter box 3, and the water inlet pipe 17 is connected to the internal space of the filter box 3. By connecting an external conduit on the left side of the water inlet pipe 17, sewage can be transported to the interior of the filter box 3. A pipe cover is installed at the left end of the water inlet pipe 17, which can be used to close the water inlet pipe 17. A drain pipe 18 is inserted and installed at the lower right end of the treatment box 4, and the drain pipe 18 is connected to the internal space of the treatment box 4. By connecting an external conduit on the right side of the drain pipe 18, sewage that has been treated by the filter box 3 and the treatment box 4 and meets the discharge standard can be discharged. A pipe cover is also installed on the right side of the drain pipe 18 to close the drain pipe 18;

[0029] Preferably, a mounting plate 19 is installed in the middle of the top of the fixing platform 1, and the water diversion pump 5 is installed on the top of the mounting plate 19. Two groups of fixing rings 20 are symmetrically installed on the outside of the water diversion pump 5. The bottom sides of the fixing rings 20 are fixedly connected to the mounting plate 19 through fixing bolts, and then the water diversion pump 5 can be fixedly installed on the top of the mounting plate 19 through the two groups of fixing rings 20. Connecting pipes 21 are inserted and installed on both sides of the water diversion pump 5. A group of connecting pipes 21 on the left is inserted into the interior of the filter box 3, and a group of connecting pipes 21 on the right is inserted into the interior of the treatment box 4, and then the sewage treated by the filter box 3 can be introduced into the interior of the treatment box 4 through the water diversion pump 5 and the two groups of connecting pipes 21 for further dosing treatment;

[0030] Preferably, three groups of through grooves are evenly opened on the top of the filter box 3, and the three groups of through grooves correspond to the first filter plate 6, the second filter plate 7 and the third filter plate 8. The first filter plate 6, the second filter plate 7 and the third filter plate 8 are provided with filter holes, and the diameters of the filter holes opened on the first filter plate 6, the second filter plate 7 and the third filter plate 8 are reduced successively. The bottoms of the first filter plate 6, the second filter plate 7 and the third filter plate 8 are all installed with plug-in plates 22, and three groups of slot plates 23 are symmetrically installed on the inner bottom surface of the filter box 3. The plug-in plates 22 are inserted into the slots opened on the tops of the slot plates 23, so that the first filter plate 6, the second filter plate 7 and the third filter plate 8 can be installed into the interior of the filter box 3 by plugging. Such an installation method makes the first filter plate 6, the second filter plate 7 and the third filter plate 8 after installation. The first filter plate 6, the second filter plate 7 and the third filter plate 8 are very stable and will not shake under the impact of the water flow. After the sewage enters the interior of the filter box 3 through the water inlet pipe 17, the sewage will pass through the first filter plate 6, the second filter plate 7 and the third filter plate 8 in sequence, so that the silt and other debris carried in the sewage are retained in the interior of the filter box 3 through the first filter plate 6, the second filter plate 7 and the third filter plate 8, so that the sewage entering the interior of the treatment box 4 through the water pump 5 does not carry a large amount of large particles of silt and debris, so as to carry out subsequent drug addition treatment. A handle is installed on the top of the pull plate 9, and the first filter plate 6, the second filter plate 7 and the third filter plate 8 can be easily pulled out of the filter box 3 upwards through the handle, so as to replace different filter components according to the actual situation of the sewage, thereby achieving a better sewage treatment effect;

[0031] Preferably, three groups of mud discharge ports are provided at the bottom of the filter box 3, a group of mud discharge ports on the left side is provided on the left side of the first filter plate 6, a group of mud discharge ports in the middle is provided between the first filter plate 6 and the second filter plate 7, and a group of mud discharge ports on the right side is provided between the second filter plate 7 and the third filter plate 8, and a group of mud discharge pipes 24 are fixedly installed in the middle of each group of mud discharge ports, the mud discharge pipes 24 pass through the through holes provided on the left side of the top of the fixed platform 1 and extend to the bottom of the fixed platform 1, and a pipe cover is installed at the bottom of each group of mud discharge pipes 24 to close the mud discharge pipes 24. After the sewage treatment is completed, a large amount of mud and sand will accumulate in the filter box 3. At this time, mud and sand of different sizes accumulated in different parts of the filter box 3 can be discharged through the three groups of mud discharge pipes 24, so as to clean the internal space of the filter box 3 and avoid a large amount of mud and sand accumulation in the filter box 3, thereby affecting the filtering effect;

[0032] Preferably, the interior of the medicine storage tank 10 is set as a hollow structure and four groups of dosing tubes 14 are symmetrically installed at the four corners of its bottom. The bottom of the dosing tube 14 extends into the internal space of the treatment box 4 and a nozzle is installed at the bottom. A medicine inlet pipe 25 is installed on the top of the medicine storage tank 10 so that the medicine for sewage treatment can be added into the interior of the medicine storage tank 10. Then the medicine enters the nozzle through the dosing tube 14. The nozzle can spray the medicine into the internal space of the treatment box 4 to mix it with the sewage, thereby precipitating harmful substances in the sewage and sterilizing bacteria in the sewage so that the sewage meets the discharge standard. The bottom of the stirring shaft 12 is rotatably connected to the inner bottom surface of the treatment box 4, and the stirring shaft 12 is It is said that two rows of stirring plates 13 are installed. The motor 11 can drive the stirring shaft 12 to rotate, and then drive the stirring plate 13 installed on the stirring shaft 12 to rotate, so that the sewage inside the treatment box 4 is driven to rotate through the stirring plate 13. During this process, the medicines in the medicine storage tank 10 are continuously added into the interior of the treatment box 4, so that the medicines can be more fully mixed with the sewage, thereby achieving the purpose of rapid sewage treatment. A protective tube 26 is installed in the middle of the interior of the medicine storage tank 10, and a section of the stirring shaft 12 inside the medicine storage tank 10 is located inside the protective tube 26, thereby preventing the stirring shaft 12 from directly contacting the medicines in the medicine storage tank 10, thereby avoiding contamination of the medicines in the medicine storage tank 10.

[0033] The standard parts used in this embodiment can be purchased directly from the market and can be customized according to the description in the specification and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the components known to technical personnel in this field, their structures and principles can be known to technical personnel through technical manuals or through conventional experimental methods.

[0034] Although the embodiments of the present invention have been shown and described, it is understood by those skilled in the art that various changes, modifications, substitutions and variations or direct or indirect applications may be made to these embodiments without departing from the principles and spirit of the present invention. In other related technical fields, the scope of the present invention is defined by the attached claims and their equivalents, which are equally included in the scope of patent protection of the present invention.

Claims

1. A sewage treatment device, comprising a fixed platform (1), two groups of support plates (2) are symmetrically mounted on the bottom of the fixed platform (1), a filter box (3) is mounted on the left side of the top of the fixed platform (1), and a treatment box (4) is mounted on the right side of the top of the fixed platform (1), characterized in that: The filter box (3) and the treatment box (4) are connected via a water pump (5); A filter assembly, the filter assembly being installed inside the filter box (3), the filter assembly comprising a first filter plate (6), a second filter plate (7) and a third filter plate (8), and a pull plate (9) is installed on the top of each of the first filter plate (6), the second filter plate (7) and the third filter plate (8); A medicine storage tank (10), wherein the medicine storage tank (10) is fixedly mounted on the top of the treatment box (4), a motor (11) is mounted on the top of the medicine storage tank (10), a stirring shaft (12) is mounted on the bottom of the motor (11), a stirring plate (13) is mounted on the stirring shaft (12), and a dosing pipe (14) is mounted on the bottom of the medicine storage tank (10).

2. A sewage treatment device according to claim 1, characterized in that: A bottom plate (15) is installed at the bottom of the support plate (2), and the top area of ​​the bottom plate (15) is larger than the bottom area of ​​the support plate (2). Fixed plates (16) are installed at the bottoms of the front and back sides of the filter box (3) and the treatment box (4), and the fixed plates (16) are fixedly connected to the fixed platform (1) via two sets of mutually symmetrical fixing bolts.

3. A sewage treatment device according to claim 1, characterized in that: A water inlet pipe (17) is inserted and installed at the lower left end of the filter box (3), the water inlet pipe (17) is connected to the internal space of the filter box (3), and a pipe cover is installed at the left end of the water inlet pipe (17). A drainage pipe (18) is inserted and installed at the lower right end of the treatment box (4), the drainage pipe (18) is connected to the internal space of the treatment box (4), and a pipe cover is also installed on the right side of the drainage pipe (18).

4. A sewage treatment device according to claim 1, characterized in that: A mounting plate (19) is installed in the middle of the top of the fixing platform (1), the water diversion pump (5) is installed on the top of the mounting plate (19), two groups of fixing rings (20) are symmetrically installed on the outside of the water diversion pump (5), the bottom sides of the fixing rings (20) are fixedly connected to the mounting plate (19) through fixing bolts, and connecting pipes (21) are inserted and installed on both sides of the water diversion pump (5), the left group of connecting pipes (21) is inserted into the interior of the filter box (3), and the right group of connecting pipes (21) is inserted into the interior of the treatment box (4).

5. A sewage treatment device according to claim 1, characterized in that: The top of the filter box (3) is evenly provided with three groups of through grooves, and the three groups of through grooves correspond to the first filter plate (6), the second filter plate (7) and the third filter plate (8). The first filter plate (6), the second filter plate (7) and the third filter plate (8) are provided with filter holes, and the diameters of the filter holes provided on the first filter plate (6), the second filter plate (7) and the third filter plate (8) decrease successively. The bottoms of the first filter plate (6), the second filter plate (7) and the third filter plate (8) are all provided with plug plates (22). Three groups of slot plates (23) are symmetrically provided on the inner bottom surface of the filter box (3). The plug plates (22) are inserted into the slots provided on the tops of the slot plates (23). A handle is provided on the top of the pull plate (9).

6. A sewage treatment device according to claim 1, characterized in that: The bottom of the filter box (3) is provided with three groups of mud discharge ports, a group of mud discharge ports on the left side is provided on the left side of the first filter plate (6), a group of mud discharge ports in the middle is provided between the first filter plate (6) and the second filter plate (7), and a group of mud discharge ports on the right side is provided between the second filter plate (7) and the third filter plate (8), a group of mud discharge pipes (24) is fixedly installed in the middle of each group of mud discharge ports, the mud discharge pipes (24) pass through a through hole provided on the left side of the top of the fixed platform (1) and extend to the bottom of the fixed platform (1), and a pipe cover is installed at the bottom of each group of mud discharge pipes (24).

7. A sewage treatment device according to claim 1, characterized in that: The interior of the medicine storage tank (10) is arranged as a hollow structure and four groups of dosing pipes (14) are symmetrically installed at the four corners of the bottom thereof, the bottom of the dosing pipe (14) extends into the internal space of the treatment box (4) and a nozzle is installed at the bottom thereof, a medicine inlet pipe (25) is installed at the top of the medicine storage tank (10), the bottom of the stirring shaft (12) is rotatably connected to the inner bottom surface of the treatment box (4), two rows of stirring plates (13) are symmetrically installed on the stirring shaft (12), a protective tube (26) is installed in the middle of the interior of the medicine storage tank (10), and a section of the stirring shaft (12) located inside the medicine storage tank (10) is located inside the protective tube (26).

Citation Information

Patent Citations

  • Sewage treatment device convenient for dosing

    CN220412915U