Biological denitrification device for sewage treatment

Abstract

The utility model relates to the technical field of sewage treatment, in particular to a sewage treatment biological denitrification device which comprises a water collecting tank, a precipitation mechanism for precipitating sewage is arranged on the water collecting tank and comprises a plurality of upper flow slowing plates, the upper flow slowing plates are fixedly connected to the upper side of the interior of the water collecting tank, and the lower flow slowing plates are fixedly connected to the lower side of the interior of the water collecting tank. A plurality of lower slow flow plates are fixedly connected to the lower side of the interior of the water collecting tank, impurities in sewage are settled through cooperation of the water collecting tank and the bottom settling mechanism, the sewage and a nitrogen removal material are fully mixed through the mixing mechanism, and the mixed sewage is filtered through the filtering mechanism, so that a water source reaches a discharge standard; the device is relatively simple to operate, effectively improves the deamination efficiency of the sewage, can perform denitrification treatment on the sewage in time, avoids environmental pollution and resource waste caused by storage of the sewage, and is relatively high in practicability.

Description

Technical Field

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

[0002] Biological denitrification refers to the process in which organic nitrogen and ammonia nitrogen in sewage are converted into nitrogen gas through ammoniation, nitrification and denitrification under the combined action of microorganisms. The existing sewage biological denitrification equipment has low efficiency and slow treatment of sewage, and most sewage cannot be treated in time. The long-term storage of sewage that cannot be treated in time will not only cause certain pollution to the environment, but also occupy some existing resources and has poor practicality. In view of the above problems, this application designs a sewage treatment biological denitrification device. Utility Model Content

[0003] 1. Technical issues to be resolved

[0004] In view of the deficiencies of the prior art, the utility model provides a biological denitrification device for sewage treatment.

[0005] (II) Technical solution

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a biological denitrification device for sewage treatment, including a water collecting tank, on which a sedimentation mechanism for sedimenting sewage is arranged, the sedimentation mechanism includes a plurality of upper slow flow plates, the plurality of upper slow flow plates are fixedly connected to the upper side of the water collecting tank, the lower side of the water collecting tank is fixedly connected with a plurality of lower slow flow plates, the plurality of lower slow flow plates are crossed with the upper slow flow plates, the water collecting tank is provided with a mixing mechanism for mixing sewage and denitrification substances, and a filtering mechanism for filtering sewage is arranged on the front side of the water collecting tank.

[0007] In order to facilitate the mixing of sewage and nitrogen removal materials, the utility model is improved in that the mixing mechanism includes a first water pipe, the left end of the first water pipe is connected to the water collecting tank, the right end of the water collecting tank is connected to the mixing tank, a mixing shaft is rotatably connected in the mixing tank, a plurality of mixing blades are fixedly connected to the mixing shaft, a mounting plate is fixedly connected to the top of the mixing tank, a motor is installed on the top of the mounting plate, and the output end of the motor passes downward through the mounting plate and is fixedly connected to the top of the mixing shaft.

[0008] In order to facilitate the filtering of mixed sewage, the utility model is improved in that the filtering mechanism includes a second water pipe, one end of the second water pipe is connected to the mixing tank, the other end of the second water pipe is connected to the suction end of the water suction pump, the output end of the water suction pump is connected to the filter tank on the left, the bottom end of the filter tank is fixedly connected to an adsorption plate, and a plurality of adsorption openings are provided on the adsorption plate.

[0009] In order to slow down the flow of sewage, the utility model is improved in that a guide frame is fixedly connected to the top of the water collecting trough, a water inlet is opened on the right side of the top of the guide frame, a guide opening is opened in the guide frame, the water inlet end of the guide opening is located at the lower side of the water inlet, the water outlet end of the guide opening is located on the left side of the bottom end of the guide frame and is connected with the water collecting trough, and the guide opening guides water from the upper right to the lower left.

[0010] In order to facilitate the addition of denitrification materials, the utility model is improved in that a feed port is provided at the top end of the mounting plate located on the front side of the motor, the feed port is connected to the mixing tank, a sliding groove is provided on the front side of the mounting plate corresponding to the feed port, a baffle is slidably connected in the sliding groove, and a pull handle is provided on the front side of the top end of the baffle.

[0011] In order to facilitate the discharge of filtered sewage, the utility model is improved in that a drain outlet is opened on the left side of the front end of the filter tank, and a drain pipe is fixedly connected to the front end of the filter tank at the drain outlet. The drain pipe is connected to the drain outlet, and a valve is installed on the drain pipe.

[0012] (III) Beneficial effects

[0013] Compared with the prior art, the utility model provides a biological denitrification device for sewage treatment, which has the following beneficial effects:

[0014] The biological denitrification device for sewage treatment achieves the precipitation of impurities in sewage through the cooperation of a water collecting tank and a sinking mechanism, achieves sufficient mixing of sewage and denitrification materials through a mixing mechanism, and filters the mixed sewage through a filtering mechanism to make the water source meet the discharge standard. The device is relatively simple to operate, effectively improves the denitrification efficiency of sewage, can denitrify sewage in a timely manner, avoids environmental pollution and waste of resources caused by storing sewage, and has high practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the first main structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the first partial structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the second partial structure of the utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the first partial cross-sectional view of the utility model.

[0019] In the figure: 1. water collecting trough; 2. upper slow flow plate; 3. lower slow flow plate; 4. first water pipe; 5. mixing trough; 6. mixing shaft; 7. mixing blade; 8. mounting plate; 9. motor; 10. second water pipe; 11. water suction pump; 12. filter trough; 13. adsorption plate; 14. adsorption opening; 15. guide frame; 16. water inlet; 17. guide opening; 18. feed inlet; 19. sliding trough; 20. baffle; 21. pull handle; 22. drain outlet; 23. drain pipe; 24. valve. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-4A biological denitrification device for sewage treatment comprises a water collection tank 1, on which a sedimentation mechanism for sedimenting sewage is arranged, the sedimentation mechanism comprises a plurality of upper slow flow plates 2, the plurality of upper slow flow plates 2 are fixedly connected to the upper side of the water collection tank 1, a plurality of lower slow flow plates 3 are fixedly connected to the lower side of the water collection tank 1, the plurality of lower slow flow plates 3 are crossed with the upper slow flow plates 2, a mixing mechanism for mixing sewage and denitrification is arranged on the water collection tank 1, a filtering mechanism for filtering sewage is arranged on the front side of the water collection tank 1, the mixing mechanism comprises a first water delivery pipe 4, the left end of the first water delivery pipe 4 is connected to the water collection tank 1, the right end of the first water collection tank 1 is connected to a mixing tank 5, a mixing shaft 6 is rotatably connected in the mixing tank 5, a plurality of mixing blades 7 are fixedly connected to the mixing shaft 6, a mounting plate 8 is fixedly connected to the top of the mixing tank 5, a motor 9 is installed on the top of the mounting plate 8, the output end of the motor 9 passes downward through the mounting plate 8 and is fixedly connected to the top of the mixing shaft 6, the filtering mechanism includes a second water delivery pipe 10, one end of the second water delivery pipe 10 is connected to the mixing tank 5, and the other end of the second water delivery pipe 10 is connected to a water suction pump 1 1, the output end of the water suction pump 11 is connected to the filter tank 12 on the left, the bottom end of the filter tank 12 is fixedly connected to an adsorption plate 13, and a plurality of adsorption openings 14 are provided on the adsorption plate 13. The top of the water collecting tank 1 is fixedly connected to a guide frame 15, and a water inlet 16 is provided on the right side of the top of the guide frame 15. A guide opening 17 is provided in the guide frame 15, and the water inlet end of the guide opening 17 is located at the lower side of the water inlet 16, and the water outlet end of the guide opening 17 is located on the left side of the bottom end of the guide frame and is connected to the water collecting tank 1, and the guide opening 17 guides water from the upper right to the left. The top end of the mounting plate 8 is located in the front side of the motor 9 and is provided with a feed port 18, and the feed port 18 is connected to the mixing tank 5. The front side of the mounting plate 8 and the feed port 18 are provided with a sliding groove 19, and a baffle 20 is slidably connected in the sliding groove 19. A pull handle 21 is provided on the front side of the top end of the baffle 20. A drain port 22 is provided on the left side of the front end of the filter tank 12. A drain pipe 23 is fixedly connected to the drain port 22 at the front end of the filter tank 12. The drain pipe 23 is connected to the drain port 22, and a valve 24 is installed on the drain pipe 23.

[0022] When the device is in use, firstly, the sewage is poured into the guide opening 17 from the water inlet 16, and the guide opening 17 guides the sewage into the water collection tank 1. The sewage passes through the serpentine gap between the upper slow flow plate 2 and the lower slow flow plate 3 in the water collection tank 1 for sedimentation. After the sewage passes through the water collection tank 1, the sewage enters the mixing tank 5 through the first water delivery pipe 4, and then the pulling handle 21 is pulled forward, and the pulling handle drives the baffle 20 to move forward, and the baffle 20 no longer seals the feed inlet 18, and then the denitrified material is placed in the mixing tank 5 through the feed inlet 18, and then the pulling handle 21 is pushed backward, and the pulling handle 21 drives the baffle 20 to move backward, and the baffle 20 seals the feed inlet 18. The seal is opened and clicked. The output end of the motor 9 drives the mixing shaft 6 to rotate, and the mixing shaft 6 drives the mixing blades 7 to rotate. The mixing blades 7 rotate to mix the sewage and the denitrification material to denitrify the sewage. After the sewage is mixed, the water suction pump 11 is turned on. The suction end of the water suction pump 11 sucks the sewage from the mixing tank 5 into the second water pipe 10, and then the sewage is transported to the filter tank 12 through the output end of the water suction pump 11. After the sewage enters the filter tank 12, the adsorption plate 13 adsorbs the mixed impurities in the sewage, and the adsorbed impurities enter the adsorption opening 14. Then the valve 24 is opened, and the denitrified water source is discharged to the outside through the drain port 22.

[0023] In order to explain in detail the possible application scenarios, technical principles, specific schemes that can be implemented, and the purposes and effects that can be achieved, the following is a detailed description of the specific embodiments listed in conjunction with the accompanying drawings. The embodiments described herein are only used to more clearly illustrate the technical solutions of the present application, and are therefore only used as examples, and cannot be used to limit the scope of protection of the present application.

[0024] Reference to "embodiment" herein means that the specific features, structures or characteristics described in conjunction with the embodiment may be included in at least one embodiment of the present application. The term "embodiment" appearing in various places in the specification does not necessarily refer to the same embodiment, nor does it particularly limit its independence or association with other embodiments. In principle, in the present application, as long as there is no technical contradiction or conflict, the various technical features mentioned in the embodiments can be combined in any way to form a corresponding implementable technical solution.

[0025] Unless otherwise defined, the technical terms used in this document have the same meanings as those generally understood by those skilled in the art to which this application belongs; the use of relevant terms in this document is only for describing specific embodiments and is not intended to limit this application.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A biological denitrification device for sewage treatment, comprising a sump (1), characterized in that: The water collecting tank (1) is provided with a sedimentation mechanism for sedimenting sewage, the sedimentation mechanism comprising a plurality of upper slow flow plates (2), the plurality of upper slow flow plates (2) being fixedly connected to the upper side of the water collecting tank (1), the plurality of lower slow flow plates (3) being fixedly connected to the lower side of the water collecting tank (1), the plurality of lower slow flow plates (3) being intersected with the upper slow flow plates (2), the water collecting tank (1) being provided with a mixing mechanism for mixing sewage and denitrification substances, and the front side of the water collecting tank (1) being provided with a filtering mechanism for filtering sewage.

2. A biological denitrification device for sewage treatment according to claim 1, characterized in that: The mixing mechanism comprises a first water delivery pipe (4), the left end of the first water delivery pipe (4) being connected to the water collecting tank (1), the right end of the water collecting tank (1) being connected to a mixing tank (5), a mixing shaft (6) being rotatably connected in the mixing tank (5), a plurality of mixing blades (7) being fixedly connected to the mixing shaft (6), a mounting plate (8) being fixedly connected to the top of the mixing tank (5), a motor (9) being mounted on the top of the mounting plate (8), and an output end of the motor (9) passing downward through the mounting plate (8) and being fixedly connected to the top of the mixing shaft (6).

3. A biological denitrification device for sewage treatment according to claim 2, characterized in that: The filtering mechanism comprises a second water pipe (10), one end of the second water pipe (10) being connected to the mixing tank (5), the other end of the second water pipe (10) being connected to the suction end of a water suction pump (11), the output end of the water suction pump (11) being connected to the filtering tank (12) on the left, the bottom end of the inside of the filtering tank (12) being fixedly connected to an adsorption plate (13), the adsorption plate (13) being provided with a plurality of adsorption openings (14).

4. A biological denitrification device for sewage treatment according to claim 3, characterized in that: The top of the water collecting trough (1) is fixedly connected to a guide frame (15), a water inlet (16) is provided on the right side of the top of the guide frame (15), a guide opening (17) is provided in the guide frame (15), a water inlet end of the guide opening (17) is located below the water inlet (16), a water outlet end of the guide opening (17) is located on the left side of the bottom end of the guide frame (15) and communicates with the water collecting trough (1), and the guide opening (17) guides water from the upper right to the lower left.

5. A biological denitrification device for sewage treatment according to claim 4, characterized in that: The top end of the mounting plate (8) is located in front of the motor (9) and is provided with a feed port (18), the feed port (18) being connected to the mixing tank (5), and the front side of the mounting plate (8) corresponding to the feed port (18) is provided with a sliding groove (19), a baffle plate (20) is slidably connected in the sliding groove (19), and a pull handle (21) is provided on the front side of the top end of the baffle plate (20).

6. A biological denitrification device for sewage treatment according to claim 5, characterized in that: A drainage port (22) is provided on the left side of the front end of the filter tank (12); a drainage pipe (23) is fixedly connected to the front end of the filter tank (12) at the drainage port (22); the drainage pipe (23) is in communication with the drainage port (22); and a valve (24) is installed on the drainage pipe (23).

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