Urban sewage treatment equipment

Abstract

The utility model discloses urban sewage treatment equipment, and relates to the technical field of sewage treatment, the urban sewage treatment equipment comprises a water tank, a stirring device is arranged in the water tank, the stirring device comprises a first rotating shaft, two ends of the first rotating shaft are respectively and rotatably connected with inner walls of two sides of the water tank, and the first rotating shaft is connected with the water tank. Two first bevel gears are connected to the outer surface of the first rotating shaft in a penetrating mode, two second bevel gears are connected to the outer surfaces of the two first bevel gears in an engaged mode, second rotating shafts are connected to the outer surfaces of the two second bevel gears in a penetrating mode, and the two ends of the second rotating shafts are rotationally connected with the inner walls of the two sides of the water tank correspondingly; a plurality of stirring rollers are connected to the outer surfaces of the second rotating shafts in a sleeving mode, a bottom plate is fixedly connected to one end of the water tank, and a filtering tank is fixedly connected to one end of the bottom plate. And residual suspended matters floating on the surface of water can be fished.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment, in particular to urban sewage treatment equipment. Background Art

[0002] Wastewater treatment is an important field of environmental engineering, which aims to remove pollutants from water to make it cleaner and more suitable for use. Common wastewater treatment equipment methods include physical treatment (such as sedimentation and filtration), chemical treatment (such as coagulation and disinfection) and biological treatment (such as activated sludge method and biofilm method). These methods can effectively remove suspended solids, organic matter, heavy metals, bacteria and other harmful substances in water, improve the safety and quality of water quality, and at the same time, people are constantly researching and developing new wastewater treatment equipment to better cope with the increasingly serious water pollution problem.

[0003] However, the prior art still has the following problems:

[0004] First of all, when urban sewage treatment equipment is working, flocculants are added into the sewage to form alum, which will float and make the sewage clear. However, most sewage treatment equipment cannot effectively mix the sewage and flocculants, and the sewage treatment effect is poor.

[0005] Secondly, adding flocculants into sewage will form alum, which will float and make the sewage clearer. However, most sewage treatment equipment cannot salvage the residual suspended matter floating on the surface of the water in time, and its practicality is low.

[0006] In view of the above problems, the inventor proposes an urban sewage treatment equipment to solve the above problems. Utility Model Content

[0007] In order to solve the problem that sewage treatment equipment cannot effectively mix sewage and flocculants and cannot timely salvage the residual suspended matter floating on the surface of water; the purpose of the utility model is to provide a sewage treatment equipment for cities.

[0008] In order to solve the above technical problems, the utility model adopts the following technical solutions: a sewage treatment equipment for urban use, comprising a water tank, one end of the water tank is penetrated and connected with a water inlet pipe, the top of the water tank is provided with a salvaging device, the interior of the water tank is provided with a stirring device, the stirring device comprises a first rotating shaft, the two ends of the first rotating shaft are respectively rotatably connected with the inner walls on both sides of the water tank, a second motor is provided at one end of the water tank, the output end of the second motor penetrates the water tank and is fixedly connected with one end of the first rotating shaft, the outer surface of the first rotating shaft is penetrated and connected with two first bevel gears, the outer surfaces of the two first bevel gears are meshed and connected with two second bevel gears, and the outer surfaces of the two second bevel gears are The surfaces are penetrated by a second shaft, and both ends of the second shaft are rotatably connected to the inner walls of both sides of the water tank respectively, and the outer surfaces of the second shaft are sleeved with multiple stirring rollers, one end of the water tank is fixedly connected to a bottom plate, one end of the bottom plate is fixedly connected to a filter box, a water pump is provided on the top of the bottom plate, and both ends of the water pump are penetrated by connecting pipes, one end of one of the connecting pipes is penetrated and connected to the lower part of one end of the water tank, and one end of the other connecting pipe is penetrated and connected to the lower part of one end of the filter box, three filter plates distributed at equal intervals are fixedly connected to the inner wall of the filter box, one end of the filter box is penetrated and connected to a drain pipe, and the outer surface of the drain pipe is fixedly connected to a drain valve.

[0009] Preferably, the salvage device includes a plurality of fixed plates, the bottom ends of the plurality of fixed plates are respectively fixedly connected to the top end of the water tank, wherein one ends of the opposite surfaces of the two middle fixed plates are rotatably connected to a screw rod, a first motor is provided on the upper part of one end of the water tank, the output end of the first motor passes through one end of one of the fixed plates and is fixedly connected to one end of the screw rod, wherein one ends of the opposite surfaces of the four fixed plates on both sides are commonly fixedly connected to a sliding rod, the screw rod and the outer surfaces of the two sliding rods are commonly penetrated and connected to a scraper, the bottom end of the scraper is in contact with the top end of the water tank, both ends of the scraper are rotatably connected to four connecting rods distributed in a rectangular array, one end of the connecting rod is rotatably connected to a roller, and the inner walls of the four rollers are respectively in contact with the outer surface of the sliding rod.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] 1. The utility model can drive the two ends of the second rotating shaft to rotate on the inner walls of both sides of the water tank through the rotation of the two second bevel gears. The rotation of the second rotating shaft drives the stirring roller to rotate, thereby achieving the purpose of effectively stirring and mixing the coagulant and the pollutants in the water.

[0012] 2. The utility model can drive the connecting rod to rotate when the scraper slides, and when the connecting rod rotates, it drives the rollers to slide on the outer surfaces of the sliding rods on both sides. When the scraper slides, it fits with the top of the water tank, thereby achieving the purpose of timely salvaging the residual suspended matter floating on the water surface. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 It is a schematic diagram of the structure of the utility model.

[0015] Figure 2 It is a schematic diagram of the salvage device of the utility model.

[0016] Figure 3 It is a schematic diagram of the stirring device of the utility model.

[0017] In the figure: 1. water tank; 2. salvaging device; 3. stirring device; 4. water inlet pipe; 5. bottom plate; 6. filter box; 7. water pump; 8. connecting pipe; 9. filter plate; 10. drain pipe; 11. drain valve; 21. fixing plate; 22. screw rod; 23. sliding rod; 24. scraper; 25. connecting rod; 26. roller; 27. first motor; 31. first rotating shaft; 32. first bevel gear; 33. second bevel gear; 34. second rotating shaft; 35. stirring roller; 36. second motor. DETAILED DESCRIPTION

[0018] 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.

[0019] Example: Figure 1-3As shown, the utility model provides a city sewage treatment equipment, including a water tank 1, one end of the water tank 1 is penetrated and connected with a water inlet pipe 4, the top of the water tank 1 is provided with a salvaging device 2, the inside of the water tank 1 is provided with a stirring device 3, the stirring device 3 includes a first rotating shaft 31, the two ends of the first rotating shaft 31 are respectively rotatably connected to the inner walls of the two sides of the water tank 1, one end of the water tank 1 is provided with a second motor 36, the output end of the second motor 36 penetrates the water tank 1 and is fixedly connected to one end of the first rotating shaft 31, the outer surface of the first rotating shaft 31 is penetrated and connected with two first bevel gears 32, the outer surfaces of the two first bevel gears 32 are meshed and connected with two second bevel gears 33, the outer surfaces of the two second bevel gears 33 are penetrated and connected with a second rotating shaft 34, the two ends of the second rotating shaft 34 are respectively rotatably connected to the inner walls of the two sides of the water tank 1, the second The outer surface of the rotating shaft 34 is sleeved with multiple stirring rollers 35, one end of the water tank 1 is fixedly connected to the bottom plate 5, one end of the bottom plate 5 is fixedly connected to the filter box 6, a water pump 7 is provided at the top of the bottom plate 5, both ends of the water pump 7 are penetrated with connecting pipes 8, one end of one of the connecting pipes 8 is penetrated and connected to the lower part of one end of the water tank 1, and one end of the other connecting pipe 8 is penetrated and connected to the lower part of one end of the filter box 6, three filter plates 9 distributed at equal intervals are fixedly connected to the inner wall of the filter box 6, one end of the filter box 6 is penetrated and connected to the drain pipe 10, and the outer surface of the drain pipe 10 is fixedly connected to the drain valve 11, the two second bevel gears 33 rotate to drive the two ends of the second rotating shaft 34 to rotate on both sides of the inner wall of the water tank 1, and the rotation of the second rotating shaft 34 drives the stirring rollers 35 to rotate, which can effectively stir and mix the coagulant and the pollutants in the water.

[0020] The salvaging device 2 includes a plurality of fixing plates 21, the bottom ends of which are fixedly connected to the top of the water tank 1, respectively, wherein the ends of the opposite surfaces of the two middle fixing plates 21 are connected to the screw rod 22 for rotation, and a first motor 27 is provided at the upper part of one end of the water tank 1, the output end of the first motor 27 passes through one end of one of the fixing plates 21 and is fixedly connected to one end of the screw rod 22, wherein the opposite ends of the four fixing plates 21 on both sides are fixedly connected to the sliding rod 23, and the screw rod 22 and the outer surfaces of the two sliding rods 23 pass through each other. A scraper 24 is connected, and the bottom end of the scraper 24 fits with the top of the water tank 1. Both ends of the scraper 24 are rotatably connected to four connecting rods 25 distributed in a rectangular array. One end of the connecting rod 25 is rotatably connected to a roller 26. The inner walls of the four rollers 26 fit with the outer surfaces of the slide bar 23 respectively. When the scraper 24 slides, it drives the connecting rod 25 to rotate. When the connecting rod 25 rotates, it drives the rollers 26 to slide on the outer surfaces of the slide bars 23 on both sides. When the scraper 24 slides, it fits with the top of the water tank 1, and can timely salvage the residual suspended matter floating on the surface of the water.

[0021] Working principle: sewage enters the water tank 1 from the water inlet pipe 4, the coagulant is poured in, and the second motor 36 in the stirring device 3 is turned on. The output end of the second motor 36 rotates to drive the first rotating shaft 31 to rotate. The first rotating shaft 31 rotates to drive the two first bevel gears 32 to rotate. The first bevel gears 32 rotate to drive the two second bevel gears 33 to rotate respectively. The two second bevel gears 33 rotate to drive the two ends of the second rotating shaft 34 to rotate on the inner walls of the two sides of the water tank 1. The second rotating shaft 34 rotates to drive the stirring roller 35 to rotate, thereby achieving the purpose of effectively stirring and mixing the coagulant and the pollutants in the water.

[0022] When it is necessary to salvage the residual suspended matter floating on the surface of the water, the first motor 27 in the salvaging device 2 is turned on, and the output end of the first motor 27 rotates to drive the screw rod 22 to rotate, and the rotation of the screw rod 22 drives the scraper 24 to slide on the outer surfaces of the two slide bars 23, and the sliding of the scraper 24 drives the connecting rod 25 to rotate, and the rotation of the connecting rod 25 drives the roller 26 to slide on the outer surfaces of the slide bars 23 on both sides, and the scraper 24 is in contact with the top of the water tank 1 when sliding, thereby achieving the purpose of timely salvaging the residual suspended matter floating on the surface of the water.

[0023] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A sewage treatment equipment for a city, comprising a water tank (1), characterized in that: A salvaging device (2) is provided at the top of the water tank (1), and a stirring device (3) is provided inside the water tank (1); The stirring device (3) comprises a first rotating shaft (31), the two ends of the first rotating shaft (31) are respectively rotatably connected to the inner walls of the water tank (1), one end of the water tank (1) is provided with a second motor (36), the output end of the second motor (36) passes through the water tank (1) and is fixedly connected to one end of the first rotating shaft (31), the outer surface of the first rotating shaft (31) is connected to two first bevel gears (32), the outer surfaces of the two first bevel gears (32) are meshingly connected to two second bevel gears (33), the outer surfaces of the two second bevel gears (33) are connected to a second rotating shaft (34), the two ends of the second rotating shaft (34) are respectively rotatably connected to the inner walls of the water tank (1), and the outer surface of the second rotating shaft (34) is sleeved with a plurality of stirring rollers (35).

2. The urban sewage treatment equipment according to claim 1, characterized in that: The salvaging device (2) comprises a plurality of fixed plates (21), the bottom ends of the plurality of fixed plates (21) are respectively fixedly connected to the top end of the water tank (1), wherein one end of the opposite surfaces of the two middle fixed plates (21) are rotatably connected to a screw rod (22), and a first motor (27) is provided at the upper part of one end of the water tank (1), the output end of the first motor (27) passes through one end of one of the fixed plates (21) and is fixedly connected to one end of the screw rod (22), wherein one end of the opposite surfaces of the four fixed plates (21) on both sides are commonly fixedly connected to a sliding rod (23), the outer surfaces of the screw rod (22) and the two sliding rods (23) are commonly penetrated and connected to a scraper (24), and the two ends of the scraper (24) are rotatably connected to four connecting rods (25) distributed in a rectangular array, and one end of the connecting rod (25) is rotatably connected to a roller (26).

3. The urban sewage treatment equipment according to claim 1, characterized in that: One end of the water tank (1) is fixedly connected to a bottom plate (5), one end of the bottom plate (5) is fixedly connected to a filter box (6), a water pump (7) is provided at the top of the bottom plate (5), both ends of the water pump (7) are connected through connecting pipes (8), one end of one of the connecting pipes (8) is connected through the lower part of one end of the water tank (1), and one end of the other connecting pipe (8) is connected through the lower part of one end of the filter box (6).

4. A municipal sewage treatment equipment as claimed in claim 3, characterized in that: A drainage pipe (10) is connected through one end of the filter box (6), and a drainage valve (11) is fixedly connected to the outer surface of the drainage pipe (10).

5. The urban sewage treatment equipment according to claim 3, characterized in that: The inner wall of the filter box (6) is fixedly connected with three filter plates (9) distributed at equal intervals.

6. The urban sewage treatment equipment according to claim 2, characterized in that: The inner walls of the four rollers (26) are respectively fitted with the outer surface of the slide bar (23).

7. The urban sewage treatment equipment according to claim 2, characterized in that: The bottom end of the scraper (24) fits into the top end of the water tank (1).

8. The urban sewage treatment equipment according to claim 1, characterized in that: One end of the water tank (1) is connected through a water inlet pipe (4).

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