Modular rural sewage treatment device

Abstract

The utility model discloses a modular rural sewage treatment device, which comprises a regulating tank, an anaerobic tank, an aerobic tank and a sedimentation tank, the regulating tank is connected with a water inlet pipe, the regulating tank, the anaerobic tank, the aerobic tank and the sedimentation tank are connected through pipelines, power pumps are arranged on the connected pipelines, a dosing device is arranged on the sedimentation tank, and the dosing device is connected with a water inlet pipe. The dosing device comprises a scattering assembly, a stirring assembly and a dosing hopper, the stirring assembly is connected below the scattering assembly, the dosing hopper is connected above the stirring assembly, the stirring assembly comprises a stirring box and a stirring shaft, the stirring shaft is rotatably connected to the stirring box, the scattering assembly comprises a scattering shaft and a baffle, the baffle is connected to the stirring box, and the baffle is rotatably connected to the stirring box. A containing cavity is formed between the two baffles and communicated with the medicine feeding hopper, the material scattering shaft is connected to the stirring box, the inner side faces of the baffles are connected to the material scattering shaft in an attached mode, the material scattering shaft is provided with a material groove, medicine and water can be evenly mixed through proper and continuous medicine adding and stirring, the medicine can be fully dissolved in water, and medicine particle pollution is avoided.

Description

Technical Field

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

[0002] Sewage treatment is a process of purifying sewage to meet the water quality requirements for discharging into a certain water body or reusing it. Sewage treatment is widely used in various fields such as construction, agriculture, transportation, energy, petrochemical, environmental protection, urban landscape, medical treatment, and catering, and is also increasingly entering the daily lives of ordinary people. During the sewage treatment process, chemicals need to be added to the sewage in the sedimentation tank for coagulation sedimentation treatment. For some solid powder or granular chemicals, if directly put into the sedimentation tank, there may be problems such as incomplete dissolution, caking, and sinking to the bottom. To improve the use effect, it is necessary to dilute with water before adding the chemicals. First, mix the chemicals and an appropriate amount of water evenly and then put them into the sedimentation tank for use to improve the dissolution efficiency. Moreover, when diluting with water, the chemicals cannot be poured into the mixing tank all at once for stirring, as this is inconvenient for stirring and mixing, and there will also be some chemicals caking and sinking to the bottom, resulting in the chemicals not being fully dissolved in water, thus affecting the sewage treatment effect, leaving chemical particles in the treated water, causing water body chemical pollution, and instead requiring more costs for treatment. Summary of the Utility Model

[0003] In view of the above-mentioned prior art, the utility model aims to provide a modular rural sewage treatment device, which can mainly add chemicals and stir in an appropriate amount and continuously to make the chemicals and water pre-mixed evenly, so that the chemicals can be fully dissolved in water and avoid causing chemical particle pollution.

[0004] To achieve the above object, the technical solution of the embodiment of the utility model is realized as follows:

[0005] A modular rural sewage treatment device includes an adjustment tank, an anaerobic tank, an aerobic tank, and a sedimentation tank. One end of the adjustment tank is connected with a first water inlet pipe. The adjustment tank, anaerobic tank, aerobic tank, and sedimentation tank are connected by pipelines, and a power pump is arranged on the connecting pipelines. A chemical adding device is arranged on the sedimentation tank. The chemical adding device includes a material spreading component, a stirring component, and a chemical adding hopper. The stirring component is connected below the material spreading component, and the chemical adding hopper is connected above the stirring component. The stirring component includes a mixing tank and a stirring shaft. The stirring shaft is rotatably connected to the mixing tank. The material spreading component includes a material spreading shaft and two baffles. The baffles are symmetrically connected to the mixing tank. An accommodating cavity is arranged between the two baffles. The accommodating cavity communicates with the chemical inlet hopper. The material spreading shaft is rotatably connected to the mixing tank. The inner side surface of the baffle is in close connection with the material spreading shaft. The material spreading shaft is provided with a plurality of material grooves.

[0006] Furthermore, the stirring box is provided with a first motor, the output end of the first motor is connected to the stirring shaft, the stirring shaft is provided with stirring blades, and the stirring blades are provided with sharp blocks.

[0007] Furthermore, the mixing box is provided with a second motor, an output end of the second motor is provided with a gear, and the spreading shaft is provided with a gear ring meshing with the gear.

[0008] Furthermore, the mixing box is rotatably connected to a hinge shaft, the mixing box is provided with a connecting ear, the upper end of the baffle is connected to the hinge shaft, the lower end is fixedly connected to one end of a first spring, and the other end of the first spring is fixedly connected to the connecting ear.

[0009] Furthermore, the material spreading shaft is provided with a camshaft, the camshaft passes through the material spreading shaft and is fixedly connected to the mixing box, the material trough is provided with a through hole, the through hole is provided with a push rod, the push rod is provided with a guard edge, the push rod sleeve is provided with a second spring, one end of the second spring is connected to the guard edge, and the other end is connected to the material spreading shaft, one end of the push rod is connected to the camshaft, and the other end passes through the through hole.

[0010] Furthermore, the mixing box is provided with a polished rod, one end of the polished rod is fixedly connected to the mixing box, and the other end is fixedly connected to a connecting plate, and the camshaft is fixedly connected to the connecting plate.

[0011] Furthermore, the medicine adding hopper includes an upper cover with a handle, and the upper cover is installed above the medicine adding hopper.

[0012] Furthermore, the mixing box is provided with a second water inlet pipe.

[0013] Furthermore, the mixing box is provided with a liquid outlet pipe, and the liquid outlet pipe is provided with a ball valve switch.

[0014] The beneficial effect of the utility model is that the medicine flows from the medicine adding hopper into the containing chamber, and is stored through the material trough on the spreading shaft. The spreading shaft is rotated to rotate the material trough containing the medicine downward, so that the medicine in the material trough is scattered into the mixing box, and is evenly stirred by the stirring shaft, so that the medicine is fully dissolved in the water in the mixing box, and then the evenly mixed medicine liquid is put into the sedimentation tank, which is conducive to the full mixing of the medicine liquid and the sewage in the sedimentation tank, and there is no residual medicine particle pollution. The medicine is added to the mixing box in an appropriate amount and continuously through the material trough on the spreading shaft, which is convenient for even stirring. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of a modular rural sewage treatment device in an embodiment of the present application;

[0016] Figure 2 This is a schematic diagram of the structure of the dosing device in the embodiment of the present application;

[0017] Figure 3 It is a partial schematic diagram of the chemical dosing device in the embodiment of the present application;

[0018] Figure 4 It is a partial cross-sectional schematic diagram of the chemical dosing device in the embodiment of the present application;

[0019] Figure 5 It is a schematic cross-sectional view at the material spreading shaft in the embodiment of the present application;

[0020] Explanation of the reference numerals in the drawings:

[0021] 1. Regulation tank; 2. Anaerobic tank; 3. Aerobic tank; 4. Sedimentation tank; 5. First inlet pipe; 6. Power pump; 7. Chemical dosing device; 8. Material spreading assembly; 9. Stirring assembly; 10. Chemical dosing hopper; 11. Stirring tank; 12. Stirring shaft; 13. Material spreading shaft; 14. Baffle; 15. Accommodating cavity; 16. Material trough; 17. First motor; 18. Stirring blade; 19. Sharp block; 20. Second motor; 21. Gear; 22. Tooth ring; 23. Hinge shaft; 24. Connecting ear; 25. First spring; 26. Camshaft; 27. Through hole; 28. Thrust rod; 29. Baffle edge; 30. Second spring; 31. Smooth rod; 32. Connecting plate; 33. Handle; 34. Upper cover; 35. Second inlet pipe; 36. Liquid outlet pipe; 37. Ball valve switch. Detailed implementation manners

[0022] The technical solution of the present utility model will be further elaborated in detail below in conjunction with the drawings in the specification and specific embodiments. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the technical field to which the present utility model belongs. The terms used in the specification of the present utility model herein are only for the purpose of describing specific embodiments, and are not intended to limit the present utility model. In the following description, the expression "some embodiments" describes a subset of all possible embodiments, but it should be understood that "some embodiments" may be the same subset or different subsets of all possible embodiments, and may be combined with each other without conflict.

[0023] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there may also be an intermediate element. When an element is considered to be "connected" to another element, it can be directly connected to the other element or there may be an intermediate element at the same time. The terms "vertical", "horizontal", "inner", "outer", "left", "right" and similar expressions used herein are only for the purpose of illustration and do not represent the only implementation manner.

[0024] Embodiment 1

[0025] Refer to the appendix Figures 1-5, this application provides a modular rural sewage treatment device, including an adjustment tank 1, an anaerobic tank 2, an aerobic tank 3, and a sedimentation tank 4. One end of the adjustment tank 1 is connected to a first water inlet pipe 5. The adjustment tank 1, anaerobic tank 2, aerobic tank 3, and sedimentation tank 4 are connected by pipelines, and a power pump 6 is provided on the connecting pipelines. The sewage to be treated is put into the adjustment tank 1. After the pH value is adjusted, the sewage is pumped into the anaerobic tank 2 through a water pipe and the power pump 6. After being treated by the process, the sewage is pumped into the aerobic tank 3 for treatment. The sewage treated by the aerobic tank 3 is then pumped into the sedimentation tank 4 through a water pipe and the power pump 6 for sedimentation. The clear water can be sent out from the top of the sedimentation tank 4. The sludge deposited at the bottom of the sedimentation tank 4 can be discharged through a pipeline with a valve at the bottom. The adjustment tank 1, anaerobic tank 2, aerobic tank 3, and sedimentation tank 4 are prior arts and will not be elaborated here. A dosing device 7 is provided on the sedimentation tank 4. The dosing device 7 includes a material spreading component 8, a stirring component 9, and a dosing hopper 10. The stirring component 9 is connected below the material spreading component 8, and the dosing hopper 10 is connected above the stirring component 9. The stirring component 9 includes a stirring tank 11 and a stirring shaft 12. The stirring shaft 12 is rotatably connected to the stirring tank 11. The material spreading component 8 includes a material spreading shaft 13 and two baffles 14. The baffles 14 are symmetrically connected to the stirring tank 11. An accommodation cavity 15 is provided between the two baffles 14. The accommodation cavity 15 communicates with the dosing hopper 10. The dosing hopper 10 is used to add solid drugs. The solid drugs in the dosing hopper 10 can flow into the accommodation cavity 15. The material spreading shaft 13 is rotatably connected to the stirring tank 11. The inner sides of the two baffles 14 are in close contact with the material spreading shaft 13 to prevent the drugs in the accommodation cavity 15 from falling through the gap between the material spreading shaft 13 and the baffles 14. The material spreading shaft 13 is provided with a number of material grooves 16, and the material grooves 16 are used to hold drugs. During use, an appropriate amount of water is added to the stirring tank 11, and the drugs are added to the dosing hopper 10 so that the accommodation cavity 15 is filled with drugs. At this time, the upward-facing material grooves 16 are filled with drugs. The material spreading shaft 13 is rotated so that the material grooves 16 filled with drugs above rotate to the bottom, causing the drugs to fall into the stirring tank 11, while the material grooves 16 originally at the bottom also rotate to the top for loading drugs. In this way, continuous up and down feeding is achieved in a cycle. The drugs that fall into the stirring tank 11 are fully mixed with water under the rotation and stirring of the stirring shaft 12. This embodiment can add drugs in small amounts and continuously, which is beneficial to fully stirring the drugs, enabling the drugs and water to be fully mixed, improving the sedimentation efficiency, avoiding residual drug pollution, and having a simple structure.

[0026] Specifically, the mixing tank 11 is provided with a first motor 17. The output end of the first motor 17 is connected to the mixing shaft 12. The mixing shaft 12 is provided with mixing blades 18. The mixing blades 18 are evenly distributed on the mixing shaft 12. The mixing blades 18 are provided with sharp blocks 19. The two ends of the sharp blocks 19 are sharpened. When the first motor 17 rotates to drive the mixing blades 18 to rotate at a high speed, the water with drugs above is stirred to the lower part by the rotation of the mixing blades 18, and the water in the lower part is brought to the upper part to achieve exchange, so that the mixing is uniform. By providing the sharp blocks 19 with sharpened ends, the drugs can be chopped during stirring, so that the drugs are more fully mixed in the water. The structure is simple and convenient to use.

[0027] Specifically, the mixing tank 11 is provided with a second motor 20. The output end of the second motor 20 is provided with a gear 21. The feeding shaft 13 is provided with a toothed ring 22 meshing with the gear 21. When the second motor 20 drives the gear 21 to rotate, the toothed ring 22 is driven to rotate, so as to drive the feeding shaft 13 to continuously rotate and feed. The rotation speed is controllable, and it is easy to control the amount of drugs fed. The structure is compact.

[0028] Specifically, the mixing tank 11 is rotatably connected with a hinge shaft 23. The mixing tank 11 is fixedly connected with a connecting ear 24. The upper end of the baffle 14 is connected to the hinge shaft 23, and the lower end is fixedly connected to one end of a first spring 25. The other end of the first spring 25 is fixedly connected to the connecting ear 24. The baffle 14 can rotate around the hinge shaft 23. Under the elastic force of the first spring 25, the baffle 14 leans against the feeding shaft 13, so that the inner side surface of the baffle 14 is elastically attached to the feeding shaft 13, making the attachment closer, reducing the requirements for the coaxiality machining accuracy and installation accuracy of the feeding shaft 13, and at the same time avoiding jamming. The structure is simple.

[0029] Embodiment 2

[0030] Refer to the appendix Figures 1-5, the difference between this embodiment and Embodiment 1 is that the material spreading shaft 13 is of a hollow structure, and a camshaft 26 is provided on the material spreading shaft 13. The camshaft 26 penetrates through the material spreading shaft 13 and is fixedly connected to the mixing tank 11. Each material trough 16 is provided with a through hole 27. A push rod 28 is provided in each through hole 27. The push rod 28 is provided with a retaining edge 29. A second spring 30 is sleeved on the push rod 28. One end of the second spring 30 is connected to the retaining edge 29, and the other end is connected to the material spreading shaft 13. One end of the push rod 28 is connected to the camshaft 26, and the other end passes through the through hole 27. The through hole 27 plays a guiding role for the push rod 28 to prevent the push rod 28 from tilting and displacing. When the material spreading shaft 13 rotates, the push rod 28 makes an extending and retracting movement in the through hole 27 along the contour of the camshaft 26 under the elastic force of the second spring 30, so as to push out the medicine in the material trough 16 and prevent the problem that the medicine gets stuck in the material trough 16 and does not fall. To facilitate the installation of the push rod 28, the material spreading shaft 13 is composed of two halves, and the cut surface is connected by a positioning pin shaft. During installation, first install the push rod 28 and the second spring 30 on one half, lean it against the camshaft 26 to prevent the push rod 28 and the second spring 30, and then close the material spreading shaft 13 with the push rod 28 and the second spring 30 installed on the other half, and connect and fix it through the positioning pin shaft, that is, the installation is completed. The maximum radius of the camshaft 26 is set downward, and the minimum radius is upward. When the material spreading shaft 13 rotates to drive the push rod 28 to rotate along the contour track of the camshaft 26 to the minimum radius of the cam, the push rod 28 retracts into the through hole 27 under the elastic force of the second spring 30, without affecting the loading of the material trough 16. When the material spreading shaft 13 continues to rotate to drive the push rod 28 to rotate to the maximum radius of the cam, obviously it has rotated to the lower part at this time, and the push rod 28 extends out of the through hole 27 under the action of the cam, and pushes out the medicine in the material trough 16, effectively preventing the phenomenon of material jamming in the material trough 16, and the structure is simple.

[0031] Specifically, both ends of the mixing tank 11 are provided with smooth rods 31. One end of the smooth rod 31 is fixedly connected to the mixing tank 11, and the other end is fixedly connected with a connecting plate 32. The camshaft 26 is fixedly connected to the connecting plate 32, and the camshaft 26 is fixed through the connecting plate 32, and the structure is simple.

[0032] Specifically, the medicine adding hopper 10 includes an upper cover 34 with a handle 33. The upper cover 34 is installed above the medicine adding hopper 10. By providing the upper cover 34 to cover the medicine adding hopper 10, it is avoided that dust falls into the medicine adding hopper 10 and affects the quality of the medicine. The upper cover 34 can be conveniently opened / closed through the handle 33, and the structure is simple.

[0033] Specifically, the mixing tank 11 is provided with a second water inlet pipe 35 for adding water into the mixing tank 11. The mixing tank 11 is provided with a liquid outlet pipe 36, and the liquid outlet pipe 36 is connected to the sedimentation tank 4. The liquid outlet pipe 36 is provided with a ball valve switch 37 to control the opening and closing of the liquid outlet pipe 36. When it is necessary to add the liquid medicine into the sedimentation tank 4, the ball valve switch 37 is opened, and the uniformly mixed liquid medicine is added into the sedimentation tank 4 through the liquid outlet pipe 36. The structure is simple and reliable.

[0034] The above is only the specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention can easily think of changes or substitutions, which should all be covered within the protection scope of the present invention. The protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A modular rural sewage treatment device, comprising a regulating tank, an anaerobic tank, an aerobic tank and a sedimentation tank, one end of the regulating tank is connected to a first water inlet pipe, the regulating tank, the anaerobic tank, the aerobic tank and the sedimentation tank are connected by a pipeline and a power pump is arranged on the connected pipeline, characterized in that: The sedimentation tank is provided with a dosing device, which includes a spreading assembly, a stirring assembly and a dosing hopper. The stirring assembly is connected below the spreading assembly, and the dosing hopper is connected above the stirring assembly. The stirring assembly includes a stirring box and a stirring shaft, and the stirring shaft is rotatably connected to the stirring box. The spreading assembly includes a spreading shaft and two baffles, and the baffles are symmetrically connected to the stirring box. A accommodating cavity is provided between the two baffles, and the accommodating cavity is communicated with the dosing hopper. The spreading shaft is rotatably connected to the stirring box, and the inner side surface of the baffle is fitted and connected to the spreading shaft, and the spreading shaft is provided with a plurality of material troughs.

2. A modular rural sewage treatment device according to claim 1, characterized in that: The stirring box is provided with a first motor, the output end of the first motor is connected to the stirring shaft, the stirring shaft is provided with stirring blades, and the stirring blades are provided with sharp blocks.

3. A modular rural sewage treatment device according to claim 1, characterized in that: The mixing box is provided with a second motor, an output end of the second motor is provided with a gear, and the material spreading shaft is provided with a gear ring meshing with the gear.

4. A modular rural sewage treatment device according to claim 1, characterized in that: The mixing box is rotatably connected to a hinge shaft, and the mixing box is provided with a connecting ear. The upper end of the baffle is connected to the hinge shaft, and the lower end is fixedly connected to one end of a first spring, and the other end of the first spring is fixedly connected to the connecting ear.

5. A modular rural sewage treatment device according to claim 3, characterized in that: The material spreading shaft is provided with a camshaft, and the camshaft passes through the material spreading shaft and is fixedly connected to the mixing box. The material trough is provided with a through hole, and the through hole is provided with a push rod, and the push rod is provided with a rib. The push rod sleeve is provided with a second spring, one end of the second spring is connected to the rib, and the other end is connected to the material spreading shaft. One end of the push rod is connected to the camshaft, and the other end passes through the through hole.

6. A modular rural sewage treatment device according to claim 5, characterized in that: The mixing box is provided with a polished rod, one end of the polished rod is fixedly connected to the mixing box, and the other end is fixedly connected to a connecting plate, and the camshaft is fixedly connected to the connecting plate.

7. A modular rural sewage treatment device according to claim 1, characterized in that: The medicine adding hopper comprises an upper cover with a handle, and the upper cover is installed above the medicine adding hopper.

8. A modular rural sewage treatment device according to claim 1, characterized in that: The mixing box is provided with a second water inlet pipe.

9. A modular rural sewage treatment device according to claim 1, characterized in that: The mixing box is provided with a liquid outlet pipe, and the liquid outlet pipe is provided with a ball valve switch.

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