Urban sewage treatment equipment

Abstract

The utility model discloses town sewage treatment equipment and relates to the technical field of sewage treatment. The device comprises a first base and a second base, a filtrate bin and a stirring device are fixedly installed on the upper surface of the first base and the upper surface of the second base respectively, a plurality of gear motors are fixedly installed on one side of a supporting frame, and the output ends of the gear motors are fixedly connected with one end of a spiral shaft. A plurality of cross rod supports are fixedly installed on the inner surface of the supporting frame, the outer surfaces of the cross rod supports are fixedly sleeved with filter cartridges, a plurality of extrusion openings are formed in one side of the supporting frame, a back pressure plate is fixedly installed at one end of the spiral shaft, a plurality of feeding openings are formed in the other side of the supporting frame, and a plurality of discharging openings are formed in the other side of the supporting frame. According to the sewage treatment device, the stirring device and the filtering device are matched for use, so that the effects of fully mixing a mixture in sewage and effectively carrying out solid-liquid separation are achieved.

Description

Technical Field

[0001] This utility model relates to the field of wastewater treatment technology, specifically to a type of urban wastewater treatment equipment. Background Technology

[0002] Wastewater treatment refers to the process of purifying wastewater to meet the water quality requirements for discharge into a water body or for reuse. During wastewater treatment, various technologies and processes are employed to remove suspended solids, organic matter, nutrients such as nitrogen and phosphorus, heavy metals, and pathogens, among other pollutants. Physical treatment methods use sedimentation, filtration, and flotation to separate insoluble substances from wastewater through physical processes. Chemical treatment methods utilize chemical reactions, such as neutralization, oxidation-reduction, and coagulation, to remove specific pollutants from wastewater. Biological treatment relies on the metabolic activity of microorganisms to decompose organic pollutants in wastewater, transforming them into harmless substances. These methods are often used in combination to achieve comprehensive wastewater purification.

[0003] Some early wastewater treatment methods involved simple sedimentation and the addition of special chemicals to separate impurities from the wastewater, followed by simple filtration. This process was not effective in mixing the wastewater and chemicals thoroughly, leaving some impurities in the wastewater. Furthermore, the use of ordinary filters or single sedimentation filtration methods was common in the past. Ordinary filters are ineffective at filtering fine particulate pollutants and dissolved pollutants, resulting in low filtration efficiency and an inability to effectively separate solids and liquids from impurities in wastewater. Utility Model Content

[0004] In order to solve the problems of being unable to quickly and effectively separate solids and liquids and being unable to fully mix various pollutants in wastewater, the purpose of this utility model is to provide a municipal wastewater treatment equipment.

[0005] To solve the above-mentioned technical problems, the present invention adopts the following technical solution: a municipal sewage treatment equipment, including a first base and a second base, wherein a filtrate chamber and a stirring device are fixedly installed on the upper surfaces of the first base and the second base respectively, a filtration device is fixedly installed on the upper surface of the filtrate chamber, the filtration device includes a support frame, multiple spiral shafts are rotatably connected inside the support frame, multiple geared motors are fixedly installed on one side of the support frame, the output end of the geared motor is fixedly connected to one end of the spiral shaft, multiple crossbar supports are fixedly installed on the inner surface of the support frame, a filter cylinder is fixedly sleeved on the outer surface of the crossbar supports, multiple extrusion ports are opened on one side of the support frame, a back pressure plate is fixedly installed on one end of the spiral shaft, and multiple feed ports are opened on the other side of the support frame.

[0006] Preferably, the stirring device includes a stirring box, a stirring motor is fixedly installed on the upper surface of the stirring box, a stirring paddle is rotatably connected inside the stirring box, the output end of the stirring motor is fixedly connected to the upper end of the stirring paddle, a sewage tank is provided on one side of the stirring box, an overflow tank is provided on one side of the sewage tank, and multiple discharge ports are provided on the other side of the stirring box.

[0007] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0008] This invention utilizes a combination of a stirring device and a filtration device. The stirring paddle in the stirring device mixes the reagent and wastewater evenly by rotating, ensuring that the reagent can effectively act on the wastewater. The stirring also causes impurities in the wastewater to form flocs, facilitating subsequent solid-liquid separation. The design of the spiral shaft in the filtration device, combined with the filter cylinder, allows the spiral blades of the spiral shaft to effectively move solid impurities in the wastewater. Furthermore, the conical structure near the extrusion port can squeeze the impurities, allowing water in the wastewater to be squeezed out more fully through the sieve holes, achieving efficient solid-liquid separation and improving the effect and efficiency of wastewater treatment. Attached Figure Description

[0009] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0010] Figure 1 This is a schematic diagram of the structure of this utility model.

[0011] Figure 2 This is a schematic diagram of the filter device of this utility model.

[0012] Figure 3 This is a schematic diagram of the stirring device of this utility model.

[0013] In the diagram: 11. First base; 12. Second base; 13. Filtration chamber; 14. Filtration device; 15. Cleaning water pipe; 16. Water pump; 17. Connecting pipe; 18. Stirring device; 19. Support frame; 20. Spiral shaft; 21. Gear motor; 22. Crossbar support; 23. Filter cylinder; 24. Extrusion port; 25. Back pressure plate; 26. Feed inlet; 27. Inclined slide; 30. Mixing tank; 31. Stirring motor; 32. Stirring paddle; 33. Wastewater tank; 34. Overflow tank; 35. Discharge port. Detailed Implementation

[0014] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0015] Example: Figure 1-3 As shown, this utility model provides a municipal sewage treatment device, including a first base 11 and a second base 12. A filtrate chamber 13 and a stirring device 18 are respectively fixedly installed on the upper surfaces of the first base 11 and the second base 12. A filter device 14 is fixedly installed on the upper surface of the filtrate chamber 13. The filter device 14 includes a support frame 19. Multiple spiral shafts 20 are rotatably connected inside the support frame 19. Multiple reduction motors 21 are fixedly installed on one side of the support frame 19. The output end of the reduction motor 21 is fixedly connected to one end of the spiral shaft 20. Multiple crossbar supports 22 are fixedly installed on the inner surface of the support frame 19. A filter cylinder 23 is fixedly sleeved on the outer surface of the crossbar supports 22. Multiple sieve holes are opened on the outer surface of the filter cylinder 23. The spiral shaft 20 passes through the filter cylinder 23. Under the pushing and squeezing action of the spiral shaft 20, water in the sewage can be squeezed out through these sieve holes and enter the filtrate chamber 13, while solid impurities are trapped inside the filter cylinder 23, achieving efficient solid-liquid separation.

[0016] Multiple extrusion ports 24 are provided on one side of the support frame 19. A helical blade is fixedly mounted on the outer surface of the helical shaft 20. The side of the helical shaft 20 near the extrusion port 24 is conical. The geared motor 21 drives the helical shaft 20 to rotate, causing the helical blade to rotate accordingly, pushing the wastewater within the filter cylinder 23 of the filtration device 14, thus promoting thorough solid-liquid separation. The conical shape of the helical shaft 20 near the extrusion port 24, as the helical shaft 20 rotates, creates a squeezing effect on solid impurities in the wastewater, further improving the efficiency of solid-liquid separation and allowing water to be more thoroughly squeezed out through the sieve holes of the filter cylinder 23.

[0017] A back pressure plate 25 is fixedly installed at one end of the spiral shaft 20, and multiple feed ports 26 are opened on the other side of the support frame 19. Multiple inclined slides 27 are fixedly installed on one side of the first base 11. The inclined slides 27 are located below the extrusion port 24. The inclined slides 27 fixedly installed below the extrusion port 24 of the filter device 14 facilitate the discharge and collection of solid impurities. After being separated by the filter device 14, the solid impurities are discharged from the extrusion port 24 and slide down the inclined slides 27 to the designated position. A connecting pipe 17 is connected to the upper end of the feed port 26. One end of the connecting pipe 17 is connected to the discharge port 35. The sewage, which has been fully stirred and mixed by the stirring device 18, smoothly enters the filter device 14 through the connecting pipe 17. This connection method ensures the orderly connection of sewage treatment from stirring pretreatment to filtration separation, so that all parts of the equipment work together.

[0018] The mixing device 18 includes a mixing tank 30. A mixing motor 31 is fixedly mounted on the upper surface of the mixing tank 30. A mixing paddle 32 is rotatably connected inside the mixing tank 30. The output end of the mixing motor 31 is fixedly connected to the upper end of the mixing paddle 32. A sewage tank 33 is provided on one side of the mixing tank 30, and an overflow tank 34 is provided on one side of the sewage tank 33. A sewage inlet is provided on the lower surface of the sewage tank 33, and an overflow outlet is provided on the lower surface of the overflow tank 34. A control box is fixedly mounted on one side of the mixing tank 30. The sewage inlet on the lower surface of the sewage tank 33 of the mixing tank 30 is the entrance for sewage to enter the mixing device 18, ensuring that sewage can flow smoothly into the mixing tank 30. The overflow outlet on the lower surface of the overflow tank 34 can effectively control the sewage level in the mixing tank 30. When the sewage level is too high, excess sewage can be discharged through the overflow outlet to prevent sewage from overflowing from the mixing tank 30 and ensure stable operation of the equipment. The control box fixedly installed on one side of the mixing tank 30 is used to control the operating parameters of the mixing motor 31, and multiple discharge ports 35 are opened on the other side of the mixing tank 30.

[0019] A cleaning water pipe 15 is fixedly installed on the upper surface of the support frame 19. Multiple nozzles are fixedly connected to the outer surface of the cleaning water pipe 15. A water pump 16 is fixedly installed on one side of the support frame 19, and the output end of the water pump 16 is fixedly connected to the cleaning water pipe 15. During the sewage filtration process, impurities easily adhere to the surface of the filter cartridge 23. The multiple nozzles connected to the outer surface of the cleaning water pipe 15, under the action of the water pump 16, can evenly spray cleaning water into the interior of the filter cartridge 23. This design allows for periodic rinsing of the filter cartridge 23, timely removal of attached impurities, and prevention of sieve clogging.

[0020] Working principle: When wastewater treatment is required, wastewater enters the mixing tank 30 through the wastewater inlet of the wastewater tank 33. The mixing motor 31 drives the mixing paddle 32 to rotate, stirring the wastewater. Flocculant can be added through the wastewater tank 33 to fully mix the impurities in the wastewater for subsequent treatment. When the wastewater level exceeds the overflow tank 34, the wastewater will overflow through the overflow port, which plays a role in controlling the liquid level. The stirred wastewater is discharged from the discharge port 35 and enters the inlet 26 of the filter device 14 through the connecting pipe 17 for filtration treatment.

[0021] When filtration is required, wastewater enters the filter cylinder 23 within the support frame 19 through the inlet 26. The geared motor 21 drives the spiral shaft 20 to rotate, and the spiral blades on the outer surface of the spiral shaft 20 propel the wastewater within the filter cylinder 23. Because the side of the spiral shaft 20 near the extrusion port 24 is conical, it exerts a squeezing effect on the wastewater, causing the water in the wastewater to be squeezed out through the sieve holes on the outer surface of the filter cylinder 23, and the filtrate enters the filtrate chamber 13. Solid impurities are discharged from the extrusion port 24 under the push of the spiral shaft 20, falling onto the inclined slide 27 and being collected. Simultaneously, the water pump 16 flushes the inside of the filter cylinder 23 with clean water through the clean water pipe 15 and nozzles to prevent clogging of the sieve holes and ensure filtration efficiency.

[0022] Obviously, those skilled in the art can make various modifications and variations to this utility model without departing from its spirit and scope. Therefore, if these modifications and variations fall within the scope of the claims of this utility model and their equivalents, this utility model also intends to include these modifications and variations.

Claims

1. A municipal wastewater treatment plant comprising a first base (11) and a second base (12), characterized in that: The upper surface of the first base (11) and the second base (12) is respectively fixedly installed with a filtrate bin (13) and a stirring device (18), and the upper surface of the filtrate bin (13) is fixedly installed with a filtering device (14); The filtering device (14) comprises a support frame (19), a plurality of spiral shafts (20) are rotatably connected to the inside of the support frame (19), a plurality of speed reducer motors (21) are fixedly installed on one side of the support frame (19), a plurality of feeding ports (26) are formed on the other side of the support frame (19), the output end of the speed reducer motor (21) is fixedly connected with one end of the spiral shaft (20), a plurality of cross rod supports (22) are fixedly installed on the inner surface of the support frame (19), a filter cylinder (23) is fixedly sleeved on the outer surface of the cross rod support (22), a plurality of extrusion ports (24) are formed on one side of the support frame (19), and a back pressure plate (25) is fixedly installed on one end of the spiral shaft (20).

2. A municipal wastewater treatment apparatus as claimed in claim 1, characterised in that, The stirring device (18) comprises a stirring box (30), the upper surface of the stirring box (30) is fixedly installed with a stirring motor (31), the inside of the stirring box (30) is rotatably connected with a stirring paddle (32), the output end of the stirring motor (31) is fixedly connected with the upper end of the stirring paddle (32), a sewage tank (33) is formed on one side of the stirring box (30), an overflow tank (34) is formed on one side of the sewage tank (33), and a plurality of discharge ports (35) are formed on the other side of the stirring box (30).

3. The apparatus for treating municipal wastewater as claimed in claim 1, wherein The upper surface of the support frame (19) is fixedly installed with a cleaning water pipe (15), a plurality of nozzles are fixedly connected to the outer surface of the cleaning water pipe (15), and a water pump (16) is fixedly arranged on one side of the support frame (19).

4. The apparatus for treating municipal wastewater as claimed in claim 1, wherein The upper end of the feeding port (26) is throughly connected with a connecting pipe (17), and one end of the connecting pipe (17) is throughly connected with the discharge port (35).

5. The municipal wastewater treatment apparatus of claim 1, wherein The outer surface of the spiral shaft (20) is fixedly installed with a spiral paddle, and one side of the spiral shaft (20) close to the extrusion port (24) is conical.

6. A municipal sewage treatment plant as claimed in claim 2, characterised in that The lower surface of the sewage tank (33) is formed with a sewage inlet, the lower surface of the overflow tank (34) is formed with an overflow port, and the stirring box (30) is fixedly installed with a control box on one side.

7. A municipal sewage treatment apparatus as claimed in claim 1, wherein A plurality of screen holes are formed on the outer surface of the filter cylinder (23), and the spiral shaft (20) penetrates through the filter cylinder (23).

8. The municipal wastewater treatment apparatus of claim 1, wherein A plurality of inclined sliding plates (27) are fixedly installed on one side of the first base (11), and the inclined sliding plates (27) are located below the extrusion port (24).

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