Flocculation and mixing structure of sewage treatment equipment in highway service areas

Abstract

This utility model provides a flocculation and stirring structure for sewage treatment equipment in highway service areas, relating to the field of sewage treatment technology. It includes a tank body, with a motor fixedly installed on one side. The output end of the motor is connected to a stirring assembly. A first pulley is located on the side of the stirring assembly closest to the motor, and a second pulley is located on the side of the first pulley. In this utility model, on the one hand, by setting the stirring assembly in conjunction with the pulley assembly and gear assembly, the stirring tank, the first stirring blade, and the second stirring blade can achieve coaxial but different-directional stirring. The stirring range and intensity can be flexibly adjusted according to the sewage flow rate, concentration, and other operating conditions, resulting in more thorough mixing of sewage and flocculant, greatly improving the flocculation effect and enhancing the adaptability of the device. On the other hand, different diameter through holes are set on the baffle plate, allowing sewage to generate different flow velocities and directions when flowing out of the holes, further enhancing the mixing effect.

Description

Technical Field

[0001] This utility model relates to the field of wastewater treatment technology, and in particular to the flocculation and stirring structure of wastewater treatment equipment for highway service areas. Background Technology

[0002] The flocculation and mixing structure in wastewater treatment equipment is a crucial component in the wastewater treatment process. It primarily promotes the aggregation and sedimentation of pollutants in the water, thereby improving treatment efficiency. This structure typically consists of a mixer, agitator, and related drive devices. Its basic principle is to thoroughly mix the flocculant and pollutants in the water through mechanical agitation or the introduction of air bubbles, forming larger, easily settling flocs. This accelerates the removal of suspended solids, grease, and other impurities from the wastewater. The design of the flocculation and mixing structure requires the uniform distribution of flocculant in the water and the provision of appropriate shear force to ensure floc formation while avoiding excessive shearing that could lead to floc breakage. Different wastewater treatment needs may require different types of agitators, such as high-speed or low-speed agitation, or gas-introduced agitation. This structure not only improves wastewater treatment efficiency but also reduces energy consumption and, through optimized design, reduces equipment maintenance and operating costs.

[0003] Patent CN206985802U discloses a flocculation and stirring device for wastewater treatment. Specifically, the patent discloses a technical solution comprising: "a tank body, with rotating shafts rotatably connected to the sidewalls of the tank body; a rotating body fixedly connected between two rotating shafts; the rotating body being cylindrical and horizontally positioned; a cavity within the rotating body; several stirring plates fixedly connected to the outer wall of the rotating body; several first turbulence protrusions evenly arranged on one side of each stirring plate; several through holes connecting the cavity and the tank body being opened on the rotating body between the two stirring plates; turbulence plates arranged within the cavity; the two ends of the turbulence plates being fixedly connected to the inner sidewalls of the cavity via connecting blocks; several second turbulence protrusions arranged on the turbulence plates; and several through holes evenly opened on the turbulence plates." This solution achieves the technical advantages of "reasonable structural design, convenient use, and good flocculation effect, possessing certain promotional and application value."

[0004] The existing device has the mixing plates evenly arranged on the rotating body. This fixed distribution method may not be able to flexibly adjust the mixing range and intensity according to different operating conditions such as the flow rate and concentration of wastewater, resulting in poor adaptability.

[0005] Therefore, we propose a flocculation and mixing structure for sewage treatment equipment in highway service areas. Utility Model Content

[0006] The purpose of this invention is to provide a flocculation and mixing structure for sewage treatment equipment in highway service areas, so as to solve the problems mentioned in the background art.

[0007] To achieve the above objectives, this utility model provides the following technical solution:

[0008] A flocculation and mixing structure for sewage treatment equipment in a highway service area includes a tank body. A motor is fixedly installed on one side of the tank body. A mixing component is connected to the output end of the motor. A first pulley is provided on the side of the mixing component near the motor. A second pulley is provided on one side of the first pulley. A belt is fitted around the outer periphery of the first and second pulleys. A connecting shaft is coaxially fixedly connected inside the second pulley. A first gear is coaxially fixedly connected to the end of the connecting shaft away from the second pulley. A second gear is provided on one side of the first gear. The teeth of the first and second gears mesh.

[0009] The second gear is coaxially fixedly connected to a water outlet pipe, which is rotatably connected to the inside of the pool. The end of the water outlet pipe away from the second gear is fixedly connected to a stirring tank. Multiple baffles are fixedly installed on the outer periphery of the stirring tank, and the interior of the multiple baffles is provided with through holes of different shapes. Multiple baffle protrusions are fixedly installed on the outer periphery of the stirring tank.

[0010] Preferably, the stirring assembly includes a rotating shaft, a first bevel gear, a sleeve, and a connecting rod. One end of the rotating shaft is coaxially and fixedly connected to the output end of the motor. The rotating shaft is rotatably connected to one end of the stirring tank through a bearing. The end of the rotating shaft away from the motor is coaxially and fixedly connected to the first bevel gear.

[0011] Preferably, a sleeve is fitted around the outer periphery of the end of the rotating shaft near the first bevel gear, and a connecting rod is provided on one side of the sleeve.

[0012] Preferably, the stirring assembly further includes a second bevel gear, a third bevel gear, and a waterproof cover. The waterproof cover is fixedly installed on the side of the tank away from the outlet pipe. A connecting rod is fixedly installed inside the waterproof cover. The second bevel gear is rotatably connected to the end of the connecting rod away from the waterproof cover via a bearing. The tooth surfaces of the first bevel gear and the second bevel gear mesh with each other.

[0013] Preferably, the third bevel gear is coaxially fixedly connected to the outer periphery of the sleeve, and the tooth surfaces of the third bevel gear and the second bevel gear mesh with each other.

[0014] Preferably, the stirring assembly further includes a first stirring blade and a second stirring blade, wherein the first stirring blade is coaxially fixedly connected to the end of the rotating shaft away from the motor, and the second stirring blade is coaxially fixedly connected to the end of the sleeve away from the third bevel gear.

[0015] Preferably, an inlet pipe is fixedly connected to one side of the pool body, a protective cover is fixedly installed on the side of the pool body away from the motor, and the outlet pipe passes through the protective cover and is rotatably connected to it.

[0016] Compared with the prior art, the beneficial effects of this utility model are:

[0017] In this invention, on the one hand, by setting up a stirring assembly in conjunction with a pulley set and a gear set, the stirring tank, the first stirring blade and the second stirring blade can achieve coaxial but different direction stirring. The stirring range and intensity can be flexibly adjusted according to the working conditions such as the flow rate and concentration of the sewage, so that the sewage and flocculant are mixed more thoroughly, greatly improving the flocculation effect and enhancing the adaptability of the device. On the other hand, by setting through holes of different diameters on the baffle plate, the sewage can generate different flow velocities and directions when flowing out of the holes, further enhancing the mixing effect. Attached Figure Description

[0018] Figure 1 A schematic diagram of the overall structure of the flocculation and stirring structure of the sewage treatment equipment for highway service areas provided by this utility model;

[0019] Figure 2 A cross-sectional view of the flocculation and stirring structure of the sewage treatment equipment for highway service areas provided by this utility model;

[0020] Figure 3 A schematic diagram of the overall structure of the mixing tank for the flocculation and mixing structure of the sewage treatment equipment in the highway service area provided by this utility model;

[0021] Figure 4 A schematic diagram of the overall mixing component of the flocculation mixing structure of the sewage treatment equipment for highway service areas provided by this utility model;

[0022] Figure 5 A disassembled diagram of the mixing component of the flocculation mixing structure of the sewage treatment equipment for highway service areas provided by this utility model.

[0023] Legend: 1. Tank body; 2. Motor; 3. First pulley; 4. Second pulley; 5. Belt; 6. Connecting shaft; 7. First gear; 8. Second gear; 9. Outlet pipe; 10. Mixing tank; 11. Baffle plate; 12. Baffle protrusion; 13. Rotating shaft; 14. First bevel gear; 15. Sleeve; 16. Connecting rod; 17. Second bevel gear; 18. Third bevel gear; 19. Waterproof cover; 20. First stirring blade; 21. Second stirring blade; 22. Inlet pipe; 23. Protective cover. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0025] To facilitate understanding of this utility model, a more comprehensive description of this utility model will be provided below with reference to relevant embodiments, and several embodiments of this utility model will be given. However, this utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of this utility model more thorough and complete.

[0026] 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 be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.

[0027] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein in the description of this invention is for the purpose of describing particular embodiments only and is not intended to limit the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0028] Example

[0029] like Figure 1-5 As shown, this utility model provides a technical solution: a flocculation and stirring structure for sewage treatment equipment in a highway service area, including a tank body 1. A motor 2 is fixedly installed on one side of the tank body 1. A stirring assembly is connected to the output end of the motor 2. A first pulley 3 is provided on the side of the stirring assembly near the motor 2. A second pulley 4 is provided on one side of the first pulley 3. A belt 5 is sleeved on the outer periphery of the first pulley 3 and the second pulley 4. A connecting shaft 6 is coaxially fixedly connected inside the second pulley 4. A first gear 7 is coaxially fixedly connected to the end of the connecting shaft 6 away from the second pulley 4. A second gear 8 is provided on one side of the first gear 7. The teeth of the first gear 7 and the second gear 8 mesh. After the motor 2 starts, it drives the stirring assembly to work and at the same time drives the first pulley 3 to rotate. The first pulley 3 drives the second pulley 4 to rotate through the belt 5. The second pulley 4 drives the connecting shaft 6 to rotate. The connecting shaft 6 drives the first gear 7 to rotate. The first gear 7 meshes with the second gear 8, thereby transmitting power to the second gear 8, providing power for the movement of subsequent components such as the water outlet pipe 9. Through the cooperation of the pulley group and the gear group, the stirring tank 10, the first stirring blade 20 and the second stirring blade 21 can achieve coaxial but different direction stirring, which enhances the flexibility of the device.

[0030] The second gear 8 is coaxially and fixedly connected to a water outlet pipe 9, which is rotatably connected to the inside of the pool body 1. The end of the water outlet pipe 9 furthest from the second gear 8 is fixedly connected to a stirring tank 10. Multiple baffles 11 are fixedly installed on the outer periphery of the stirring tank 10, each with through holes of different shapes. Multiple baffle protrusions 12 are also fixedly installed on the outer periphery of the stirring tank 10. When the second gear 8 rotates under power transmission, the water outlet pipe 9 rotates along with it because it is coaxially and fixedly connected to the second gear 8. Since the water outlet pipe 9 is also fixedly connected to the stirring tank 10, it drives the stirring tank 10 to move within the pool. The mixing tank 10 rotates within the tank 1. During the rotation, multiple baffles 11 installed on its outer periphery move in a circular motion with the mixing tank 10. The through holes of different shapes on the baffles 11 can change the flow path and mode of sewage in the tank 1, causing turbulence in different directions and enhancing the mixing effect of sewage and flocculant. At the same time, the multiple baffle protrusions 12 on the outer periphery of the mixing tank 10 will disturb the surrounding sewage when rotating, further disrupting the stable state of the sewage, promoting full contact and collision between particulate matter in the sewage and flocculant, accelerating the flocculation reaction, and improving the efficiency and quality of the flocculation process in sewage treatment.

[0031] The stirring assembly includes a rotating shaft 13, a first bevel gear 14, a sleeve 15, and a connecting rod 16. One end of the rotating shaft 13 is coaxially and fixedly connected to the output end of the motor 2. The rotating shaft 13 is rotatably connected to one end of the stirring tank 10 via a bearing. The end of the rotating shaft 13 away from the motor 2 is coaxially and fixedly connected to the first bevel gear 14. After the motor 2 starts, its output end drives the rotating shaft 13 to rotate. The rotating shaft 13 achieves stable rotation at one end of the stirring tank 10 via a bearing. While rotating, the rotating shaft 13 drives the coaxially fixedly connected first bevel gear 14. The rotating shaft 13 is fitted with a sleeve 15 on the outer circumference of the end near the first bevel gear 14. A connecting rod 16 is provided on one side of the sleeve 15. The sleeve 15 is fitted on the outer circumference of the rotating shaft 13 and can rotate relative to the rotating shaft 13. The connecting rod 16 is located on one side of the sleeve 15 and provides support and connection for the subsequent installation of other components. When the rotating shaft 13 rotates, the sleeve 15 will rotate under the transmission of the subsequent gear set. The connecting rod 16 plays a role in stabilizing and transmitting force.

[0032] The stirring assembly also includes a second bevel gear 17, a third bevel gear 18, and a waterproof cover 19. The waterproof cover 19 is fixedly installed on the side of the tank body 1 away from the outlet pipe 9. A connecting rod 16 is fixedly installed inside the waterproof cover 19. The second bevel gear 17 is rotatably connected to the end of the connecting rod 16 away from the waterproof cover 19 via a bearing. The teeth of the first bevel gear 14 and the second bevel gear 17 mesh. The waterproof cover 19 is fixed to one side of the tank body 1, serving to protect the internal components and provide waterproofing. The connecting rod 16 is fixed inside the waterproof cover 19, and the second bevel gear 17 is rotatably connected to one end of the connecting rod 16 via a bearing. When the first bevel gear 14 rotates with the shaft 13, the teeth of the first bevel gear 14 and the second bevel gear 17 mesh. According to the gear transmission principle, the first bevel gear 14 will drive the second bevel gear 17 to rotate, realizing the transmission and direction of power. The third bevel gear 18 is coaxially fixedly connected to the outer circumference of the sleeve 15. The teeth of the third bevel gear 18 and the second bevel gear 17 mesh. When the second bevel gear 17 rotates under the drive of the first bevel gear 14, the teeth of the third bevel gear 18 and the second bevel gear 17 mesh, and the second bevel gear 17 rotates. The bevel gear 17 drives the third bevel gear 18 to rotate, and the third bevel gear 18 in turn drives the coaxial sleeve 15 to rotate, thus achieving the purpose of driving the rotating shaft 13 to rotate through the motor 2, and then driving the sleeve 15 to rotate through a series of bevel gear transmissions. The stirring assembly also includes a first stirring blade 20 and a second stirring blade 21. The first stirring blade 20 is coaxially fixedly connected to the end of the rotating shaft 13 away from the motor 2, and the second stirring blade 21 is coaxially fixedly connected to the end of the sleeve 15 away from the third bevel gear 18. The first stirring blade 20 is coaxially fixed to one end of the rotating shaft 13. When the rotating shaft 13 is driven by the motor 2... When the shaft rotates, the first stirring blade 20 rotates together with the rotating shaft 13 to stir the sewage in the mixing tank 10. At the same time, the sleeve 15 rotates under the transmission action of the third bevel gear 18 and the second bevel gear 17, which drives the second stirring blade 21, which is coaxially fixed to the end away from the third bevel gear 18, to rotate. The rotation direction of the second stirring blade 21 may be different from that of the first stirring blade 20. In this way, the first stirring blade 20 and the second stirring blade 21 simultaneously stir the sewage in different directions, which enhances the stirring effect, makes the flocculant in the sewage fully mixed with the sewage, and improves the sewage treatment efficiency.

[0033] A water inlet pipe 22 is fixedly connected to one side of the pool body 1. A protective cover 23 is fixedly installed on the side of the pool body 1 away from the motor 2. The water outlet pipe 9 passes through the protective cover 23 and is rotatably connected to it. Sewage enters the pool body 1 through the water inlet pipe 22. The protective cover 23 can protect the connection between the water outlet pipe 9 and the pool body 1, as well as the internal gears and other transmission components, to prevent sewage erosion and damage from collisions with external objects. The water outlet pipe 9 passes through the protective cover 23 and is rotatably connected to it, ensuring that the water outlet pipe 9 can rotate normally under power transmission and discharge the treated sewage from the pool body 1.

[0034] The working process of this utility model:

[0035] Step 1: Wastewater enters the tank 1 through the inlet pipe 22, which is fixedly connected to one side of the tank 1. Simultaneously, the motor 2, fixedly installed on one side of the tank 1, is started. The motor 2's output drives the rotating shaft 13, which is coaxially fixedly connected to it, to rotate. The rotating shaft 13 rotates stably at one end of the mixing tank 10 via bearings, simultaneously driving the first bevel gear 14, which is coaxially fixedly connected, to rotate. At the same time, the output of the motor 2 also drives the first pulley 3 of the mixing assembly, located near the motor 2, to rotate. Since the first pulley 3 and the second pulley 4 are fitted with belts 5, according to the belt drive principle, the first pulley 3 drives the second pulley 4 to rotate via the belt 5. The second pulley 4 drives the internally coaxially fixedly connected connecting shaft 6 to rotate, which in turn drives the coaxially fixedly connected first gear 7 to rotate. The first gear 7 meshes with the teeth of the second gear 8 on one side, thereby transmitting power to the second gear 8.

[0036] Step two: After receiving power, the second gear 8 rotates. Since the outlet pipe 9 is coaxially and fixedly connected inside the second gear 8 and rotatably connected inside the tank body 1, the outlet pipe 9 rotates along with the second gear 8. Furthermore, because the end of the outlet pipe 9 furthest from the second gear 8 is fixedly connected to the mixing tank 10, it drives the mixing tank 10 to rotate within the tank body 1. During the rotation of the mixing tank 10, multiple baffles 11 fixedly installed on its outer periphery move in a circular motion. The different shaped through holes inside the baffles 11 can change the flow path and mode of sewage within the tank body 1, causing turbulence in different directions. Simultaneously, the multiple turbulence protrusions 12 fixedly installed on the outer periphery of the mixing tank 10 disturb the surrounding sewage during rotation, further disrupting the stable state of the sewage and promoting full contact and collision between particulate matter and flocculant in the sewage, accelerating the flocculation reaction.

[0037] Step 3: When the rotating shaft 13 rotates, the first bevel gear 14, which is coaxially fixedly connected to the end away from the motor 2, rotates. Since the tooth surfaces of the first bevel gear 14 and the second bevel gear 17 mesh, according to the gear transmission principle, the first bevel gear 14 drives the second bevel gear 17 to rotate. The third bevel gear 18 is coaxially fixedly connected to the outer circumference of the sleeve 15 fitted on the outer circumference of the end of the rotating shaft 13 near the first bevel gear 14, and the tooth surfaces of the third bevel gear 18 and the second bevel gear 17 mesh. Therefore, the second bevel gear 17 drives the third bevel gear 18 to rotate, and the third bevel gear 18 then drives the coaxial sleeve 15 to rotate. The first stirring blade 20 is coaxially fixedly connected to the end of the rotating shaft 13 away from the motor 2. When the rotating shaft 13 rotates, the first stirring blade 20 rotates with the rotating shaft 13, stirring the sewage in the mixing tank 10. The second stirring blade 21 is coaxially fixedly connected to the end of the sleeve 15 away from the third bevel gear 18. The rotation of the sleeve 15 drives the second stirring blade 21 to rotate. The rotation direction of the second stirring blade 21 is different from that of the first stirring blade 20. The two simultaneously stir the sewage in different directions, enhancing the stirring effect and ensuring that the flocculant in the sewage is fully mixed with the sewage, thereby improving the sewage treatment efficiency. In addition, the protective cover 23 fixedly installed on the side of the tank body 1 away from the motor 2 can protect the connection between the outlet pipe 9 and the tank body 1, as well as the internal gears and other transmission components, preventing sewage erosion and damage from collisions with external objects. The outlet pipe 9 passes through the protective cover 23 and is rotatably connected, ensuring that the outlet pipe 9 can rotate normally under power transmission, discharging the treated sewage from the tank body 1.

[0038] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A flocculation stirring structure of a motorway service area sewage treatment equipment, comprising a pool body (1), characterized in that: A motor (2) is fixedly installed on one side of the pool body (1). The output end of the motor (2) is connected to a stirring assembly. A first pulley (3) is provided on the side of the stirring assembly close to the motor (2). A second pulley (4) is provided on one side of the first pulley (3). A belt (5) is fitted around the outer periphery of the first pulley (3) and the second pulley (4). A connecting shaft (6) is coaxially fixedly connected inside the second pulley (4). A first gear (7) is coaxially fixedly connected to one end of the connecting shaft (6) away from the second pulley (4). A second gear (8) is provided on one side of the first gear (7). The teeth of the first gear (7) and the second gear (8) mesh with each other. The second gear (8) is coaxially fixedly connected to a water outlet pipe (9), which is rotatably connected to the inside of the pool body (1). The end of the water outlet pipe (9) away from the second gear (8) is fixedly connected to a stirring tank (10). Multiple baffles (11) are fixedly installed on the outer periphery of the stirring tank (10). The multiple baffles (11) have through holes of different shapes inside. Multiple baffle protrusions (12) are fixedly installed on the outer periphery of the stirring tank (10).

2. The flocculation-agitation structure for a motorway service area sewage treatment plant according to claim 1, characterized in that: The stirring assembly includes a rotating shaft (13), a first bevel gear (14), a sleeve (15), and a connecting rod (16). One end of the rotating shaft (13) is coaxially and fixedly connected to the output end of the motor (2). The rotating shaft (13) is rotatably connected to one end of the stirring tank (10) through a bearing. The end of the rotating shaft (13) away from the motor (2) is coaxially and fixedly connected to the first bevel gear (14).

3. The flocculation-agitation structure of a motorway service area sewage treatment plant according to claim 2, characterized in that: A sleeve (15) is fitted around one end of the shaft (13) near the first bevel gear (14), and a connecting rod (16) is provided on one side of the sleeve (15).

4. The highway service area sewage treatment equipment flocculation stirring structure according to claim 3, characterized in that: The stirring assembly also includes a second bevel gear (17), a third bevel gear (18), and a waterproof cover (19). The waterproof cover (19) is fixedly installed on the side of the pool body (1) away from the outlet pipe (9). A connecting rod (16) is fixedly installed inside the waterproof cover (19). The second bevel gear (17) is rotatably connected to the end of the connecting rod (16) away from the waterproof cover (19) through a bearing. The tooth surfaces of the first bevel gear (14) and the second bevel gear (17) mesh with each other.

5. The highway service area sewage treatment plant flocculation agitation structure according to claim 4, characterized in that: The third bevel gear (18) is coaxially fixedly connected to the outer circumference of the sleeve (15), and the tooth surfaces of the third bevel gear (18) and the second bevel gear (17) mesh.

6. The highway service area sewage treatment plant flocculation agitation structure according to claim 5, characterized in that: The stirring assembly also includes a first stirring blade (20) and a second stirring blade (21). The first stirring blade (20) is coaxially fixedly connected to the end of the rotating shaft (13) away from the motor (2), and the second stirring blade (21) is coaxially fixedly connected to the end of the sleeve (15) away from the third bevel gear (18).

7. The highway rest area sewage treatment plant flocculation agitation structure according to claim 1, characterized in that: A water inlet pipe (22) is fixedly connected to one side of the pool body (1), and a protective cover (23) is fixedly installed on the side of the pool body (1) away from the motor (2). The water outlet pipe (9) passes through the protective cover (23) and is rotatably connected to it.

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