Flocculating agent feeding device for sewage treatment

Abstract

The utility model relates to the technical field of sewage treatment, and discloses a flocculating agent feeding device for sewage treatment, which comprises a stirring barrel, mounting racks are fixedly connected to the periphery of the stirring barrel, a floating valve is arranged outside the stirring barrel, one end of each of the four mounting racks is fixedly connected with the inside of the floating valve, and the other end of each of the four mounting racks is fixedly connected with the inside of the floating valve. One side of the stirring barrel is fixedly connected with a suction pump, the lower end of the stirring barrel is fixedly communicated with a first conveying pipe, one end of the first conveying pipe is fixedly communicated with the input end of the suction pump, the output end of the suction pump is fixedly communicated with a second conveying pipe, and one side of the second conveying pipe is fixedly communicated with a third conveying pipe. According to the sewage treatment device, chemicals can be sprayed to the interior and the upper portion of sewage through the spraying pipes on the upper side and the lower side respectively, the device can be arranged in the middle of a sewage treatment pool, at the moment, the spraying range of the chemicals is wider, the spraying efficiency is better, and the situation that the flocculation efficiency of the sewage is low due to the fact that flocculants are not put uniformly is avoided.

Description

Technical Field

[0001] This utility model relates to the field of wastewater treatment technology, and in particular to a flocculant dosing device for wastewater treatment. Background Technology

[0002] Flocculants are the most widely used and common treatment agents in many water treatment processes at home and abroad. According to their chemical composition, flocculants can be divided into two categories: inorganic flocculants and organic flocculants. Inorganic flocculants include inorganic coagulants and inorganic polymeric flocculants; organic flocculants include synthetic organic polymeric flocculants, natural organic polymeric flocculants, and microbial flocculants.

[0003] A search revealed that Chinese Patent Publication No. CN221492361U discloses a flocculant dispensing device, belonging to the field of wastewater treatment technology. This flocculant dispensing device includes a base and a stirring assembly. A tank and a water pump are mounted on the surface of the base. An inlet pipe is provided on the upper surface of the tank, and the output end of the water pump is connected to a spraying component. The stirring assembly includes a motor and a transmission component. The output shaft of the motor is connected to the transmission component. One end of the transmission component is connected to a connecting block, and both ends of the connecting block are connected to stirring rods, both of which are located inside the tank. This device, through the cooperation of the motor and the transmission component, causes the connecting block to drive the two stirring rods to rotate inside the tank, facilitating thorough mixing of the flocculant powder and solution. This also reduces the possibility of the flocculant agglomerating due to prolonged storage. The water pump and the spraying component then spray the flocculant solution into the wastewater tank, facilitating the dispensing of the flocculant solution.

[0004] However, in the prior art, the flocculant dosing device is usually set at the edge of the sewage treatment pond. When the sewage treatment pond is large, the flocculant is not evenly distributed and the flocculation efficiency of the sewage is low. A solution is proposed to solve the problems mentioned in the background art. Utility Model Content

[0005] To overcome the above shortcomings, this utility model provides a flocculant dosing device for sewage treatment, which aims to improve the problem that flocculant dosing devices are usually set at the edge of sewage treatment ponds, and the dosing of flocculants is not uniform due to the large area of ​​the sewage treatment pond, resulting in low flocculation efficiency of sewage.

[0006] To achieve the above objectives, this utility model adopts the following technical solution: It includes a mixing tank, with mounting brackets fixedly connected to all four sides of the mixing tank. A floating valve is installed on the outside of the mixing tank. One end of each of the four mounting brackets is fixedly connected to the inside of the floating valve. A suction pump is fixedly connected to one side of the mixing tank. A first conveying pipe is fixedly connected to the lower end of the mixing tank. One end of the first conveying pipe is fixedly connected to the input end of the suction pump. A second conveying pipe is fixedly connected to the output end of the suction pump. A third conveying pipe is fixedly connected to one side of the second conveying pipe. Fixing frames are fixedly connected to both the upper and lower ends of the mixing tank. Spraying devices are fixedly connected to one end of each of the two fixing frames. One end of the second conveying pipe is fixedly connected to one side of one of the spraying devices. One end of the third conveying pipe is fixedly connected to one side of another of the spraying devices. Spraying pipes are fixedly connected to all four sides of one side of each of the two spraying devices.

[0007] As a further description of the above technical solution: After the flocculant is diluted by stirring in a mixing tank, the device can be placed in the sewage treatment tank. Its floating valve can float and lift the device above the sewage treatment tank. At this time, the device can be placed in the middle of the sewage treatment tank. Then, the flocculant can be sucked by the suction pump through the No. 1 delivery pipe and transferred to the upper and lower spraying devices through the No. 2 and No. 3 delivery pipes respectively. The agent is then sprayed through the spraying pipes fixed on the spraying devices.

[0008] Preferably, a motor is fixedly connected to one side of the mixing tank, and a No. 1 stirring rod is rotatably connected inside the mixing tank.

[0009] As a further description of the above technical solution: after starting, the motor can drive the No. 1 stirring rod to rotate under the action of the synchronous pulley and the transmission belt.

[0010] Preferably, one end of the first stirring rod passes through the upper end of the stirring tank and is fixedly connected to a synchronous pulley at both ends, and a transmission belt is connected between the two synchronous pulleys.

[0011] As a further description of the above technical solution: the motor can drive one of the synchronous pulleys to rotate, and then, under the action of the transmission belt, it can drive the other synchronous pulley to rotate. At this time, the first stirring rod, which is fixedly connected to it, can rotate accordingly.

[0012] Preferably, a connecting plate is fixedly connected to one side of the first stirring rod, and a second stirring rod is rotatably connected to both ends of the connecting plate.

[0013] As a further description of the above technical solution: After the No. 1 stirring rod rotates, it can drive the connecting plate to rotate. At this time, the No. 2 stirring rods at both ends of the connecting plate will also move inside the mixing tank.

[0014] Preferably, gears are fixedly connected to the upper ends of both of the second stirring rods, and a toothed ring is fixedly connected to the upper part of the inside of the stirring tank, with the outer surfaces of the two gears meshing with the inside of the toothed ring.

[0015] As a further description of the above technical solution: the No. 2 stirring rod can drive the gear to move while it is moving, and since the gear meshes with the toothed ring, the No. 2 stirring rod will rotate on its own axis while it is revolving around the sun.

[0016] Preferably, a water supply pipe is fixedly connected to one side of the upper end of the mixing tank, and a feed pipe is fixedly connected to the other side of the upper end of the mixing tank.

[0017] As a further description of the above technical solution: the feed pipe and the water supply pipe can respectively inject flocculant particles and water into the mixing tank.

[0018] Preferably, each of the two fixing frames is fixedly connected with reinforcing ribs around its perimeter, and one side of each of the eight reinforcing ribs is fixedly connected to the outer surface of the mixing tank.

[0019] As a further description of the above technical solution: the reinforcing ribs can be used to enhance the connection strength between the fixing frame and the mixing tank.

[0020] Preferably, the lower ends of the four mounting brackets are all fixedly connected to support rods.

[0021] As a further description of the above technical solution: the support rod can be used to support the device when it is placed on the ground.

[0022] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0023] 1. In this utility model, after the flocculant is diluted and stirred in a mixing tank, the device can be placed in a sewage treatment tank. Its floating valve can float and support the device above the sewage treatment tank, so the device can be placed in the middle of the sewage treatment tank. At this time, the flocculant can be sucked in by the suction pump through the No. 1 delivery pipe and transferred to the upper and lower spraying devices through the No. 2 and No. 3 delivery pipes respectively. The agent is then sprayed through the spraying pipes fixed on the spraying devices. In this way, the agent can be sprayed into the sewage and above through the upper and lower spraying pipes respectively. Since the device can be placed in the middle of the sewage treatment tank, the spraying range of the agent is wider and the spraying efficiency is better, avoiding the situation of uneven flocculant addition and low flocculation efficiency of sewage.

[0024] 2. In this utility model, before spraying and dispensing the flocculant, it is necessary to dissolve and stir the flocculant particles with water. This can be achieved by placing the device on the ground, with its support rods providing support. Then, the flocculant particles and water are injected into the mixing tank through the feed pipe and water supply pipe, respectively. Starting the motor then drives one of the synchronous pulleys to rotate, which in turn drives the other synchronous pulley to rotate under the action of the transmission belt. The first stirring rod, fixedly connected to the first stirring rod, rotates accordingly, causing the connecting plate to rotate. The second stirring rods at both ends of the connecting plate also move inside the mixing tank, simultaneously driving the gears. Since the gears mesh with the toothed ring, the second stirring rod rotates on its own axis while revolving around the central axis. This method significantly improves the stirring efficiency of the mixing tank, accelerates the dissolution and mixing of the flocculant particles and water, and enhances the efficiency of the preparation work before flocculant dispensing. Attached Figure Description

[0025] Figure 1 This is a perspective view of a flocculant dosing device for wastewater treatment proposed in this utility model;

[0026] Figure 2 This is a bottom-view three-dimensional structural diagram of a flocculant dosing device for wastewater treatment proposed in this utility model;

[0027] Figure 3 This utility model proposes a flocculant dosing device for wastewater treatment. Figure 1 Enlarged 3D structural diagram at point A;

[0028] Figure 4 This is a three-dimensional cross-sectional view of the internal structure of the mixing tank in a flocculant dosing device for wastewater treatment proposed in this utility model.

[0029] Legend:

[0030] 1. Mixing tank; 2. Mounting frame; 3. Floating valve; 4. Support rod; 5. Suction pump; 6. No. 3 conveying pipe; 7. No. 2 conveying pipe; 8. Feed pipe; 10. Spraying pipe; 11. Fixing frame; 12. Spraying device; 13. No. 1 conveying pipe; 14. Water supply pipe; 15. Synchronous pulley; 16. Transmission belt; 17. Motor; 18. Reinforcing rib; 19. Gear ring; 20. No. 1 stirring rod; 21. Connecting plate; 22. Gear; 23. No. 2 stirring rod. Detailed Implementation

[0031] 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.

[0032] Reference Figures 1 to 3 As shown, one embodiment of this utility model includes a mixing tank 1, with mounting brackets 2 fixedly connected to all four sides of the mixing tank 1. A floating valve 3 is provided on the outside of the mixing tank 1. One end of each of the four mounting brackets 2 is fixedly connected to the inside of the floating valve 3. A suction pump 5 is fixedly connected to one side of the mixing tank 1. A first conveying pipe 13 is fixedly connected to the lower end of the mixing tank 1. One end of the first conveying pipe 13 is fixedly connected to the input end of the suction pump 5. A second conveying pipe 7 is fixedly connected to the output end of the suction pump 5. A third conveying pipe 6 is fixedly connected to one side of the second conveying pipe 7. Fixing brackets 11 are fixedly connected to both the upper and lower ends of the mixing tank 1. A spraying device 12 is fixedly connected to one end of each of the two fixing brackets 11. One end of the second conveying pipe 7 is fixedly connected to one side of one of the spraying devices 12. One end of the third conveying pipe 6 is fixedly connected to one side of the other spraying device 12. Spraying pipes 10 are fixedly connected to all four sides of one side of each of the two spraying devices 12.

[0033] In this embodiment, after the flocculant is diluted and stirred in the mixing tank 1, the device can be placed in the sewage treatment tank. Its floating valve 3 can float and support the device above the sewage treatment tank. At this time, the device can be placed in the middle of the sewage treatment tank. Then, the suction pump 5 can use the first delivery pipe 13 to suck up the flocculant and transmit it to the upper and lower spraying devices 12 through the second delivery pipe 7 and the third delivery pipe 6 respectively. The agent is then sprayed through the spraying pipe 10 fixed on the spraying device 12. In this way, the agent can be sprayed into the sewage and above through the upper and lower spraying pipes 10 respectively. Since the device can be placed in the middle of the sewage treatment tank, the spraying range of the agent is wider and the spraying efficiency is better, avoiding the situation where the flocculant is not evenly added and the flocculation efficiency of the sewage is low.

[0034] Example 2, as Figure 1 , Figure 3 and Figure 4As shown, a motor 17 is fixedly connected to one side of the mixing tank 1. A first stirring rod 20 is rotatably connected inside the mixing tank 1. One end of the first stirring rod 20 passes through the upper end of the mixing tank 1 and is fixedly connected to a synchronous pulley 15 at both ends of the motor 17. A transmission belt 16 is connected between the two synchronous pulleys 15. A connecting plate 21 is fixedly connected to one side of the first stirring rod 20. A second stirring rod 23 is rotatably connected to both ends of the connecting plate 21. Gears 22 are fixedly connected to the upper ends of the two second stirring rods 23. A toothed ring 19 is fixedly connected to the upper part of the mixing tank 1. The outer surfaces of the two gears 22 mesh with the inside of the toothed ring 19. A water supply pipe 14 is fixedly connected to one side of the upper end of the mixing tank 1. A feed pipe 8 is fixedly connected to the other side of the upper end of the mixing tank 1. Reinforcing ribs 18 are fixedly connected around the two fixed frames 11. One side of each of the eight reinforcing ribs 18 is fixedly connected to the outer surface of the mixing tank 1. Support rods 4 are fixedly connected to the lower ends of the four mounting frames 2.

[0035] In this embodiment, before spraying and dispensing the flocculant, it is necessary to dissolve and stir the flocculant particles with water. This can be done by placing the device on the ground, with its support rod 4 providing support. Then, the flocculant particles and water are injected into the mixing tank 1 through the feed pipe 8 and the water supply pipe 14, respectively. At this point, the motor 17 is started, which drives one of the synchronous pulleys 15 to rotate. Subsequently, under the action of the transmission belt 16, the other synchronous pulley 15 is driven to rotate. The first stirring rod 20, which is fixedly connected to it, rotates accordingly, and drives the connecting plate 21 to rotate. The second stirring rods 23 at both ends of the connecting plate 21 also move inside the mixing tank 1, and drive the gear 22 to move simultaneously. Since the gear 22 meshes with the toothed ring 19, the second stirring rod 23 will rotate on its own axis while revolving around the central axis. This method can significantly improve the stirring efficiency of the mixing tank 1, accelerate the dissolution and mixing of flocculant particles and water, and improve the efficiency of the preparation work before flocculant dispensing.

[0036] Working Principle: Before spraying and dispensing the flocculant, the flocculant particles need to be dissolved and stirred in water. This can be achieved by placing the device on the ground, with its support rod 4 providing support. Then, the flocculant particles and water are injected into the mixing tank 1 through the feed pipe 8 and water pipe 14, respectively. Starting the motor 17 then drives one of the synchronous pulleys 15 to rotate. Subsequently, under the action of the transmission belt 16, the other synchronous pulley 15 rotates. The first stirring rod 20, fixedly connected to the first stirring rod, rotates accordingly, driving the connecting plate 21 to rotate. The second stirring rods 23 at both ends of the connecting plate 21 also move inside the mixing tank 1, simultaneously driving the gear 22. Since the gear 22 meshes with the toothed ring 19, the second stirring rod 23 rotates on its own axis while revolving around the central axis. This method significantly improves the stirring efficiency of the mixing tank 1. The device accelerates the dissolution and mixing of flocculant particles with water, improving the efficiency of preparation work before flocculant dosing. After the flocculant is diluted by stirring in the mixing tank 1, the device can be placed in the sewage treatment tank. Its floating valve 3 can float and support the device above the sewage treatment tank, so the device can be placed in the middle of the sewage treatment tank. At this time, the suction pump 5 can be used to suck the flocculant through the first delivery pipe 13, and then transmit it to the upper and lower spraying devices 12 through the second delivery pipe 7 and the third delivery pipe 6 respectively. The agent is then sprayed through the spraying pipe 10 fixed on the spraying device 12. In this way, the agent can be sprayed into the sewage and above through the upper and lower spraying pipes 10 respectively. The device can be placed in the middle of the sewage treatment tank, so the spraying range of the agent is wider and the spraying efficiency is better, avoiding the situation of uneven flocculant dosing and low flocculation efficiency of sewage.

[0037] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A flocculant dosing device for wastewater treatment, comprising a mixing tank (1), characterized in that: Mounting brackets (2) are fixedly connected to all four sides of the mixing tank (1). A float valve (3) is installed on the outside of the mixing tank (1). One end of each of the four mounting brackets (2) is fixedly connected to the inside of the float valve (3). A suction pump (5) is fixedly connected to one side of the mixing tank (1). A first delivery pipe (13) is fixedly connected to the lower end of the mixing tank (1). One end of the first delivery pipe (13) is fixedly connected to the input end of the suction pump (5). A second delivery pipe (7) is fixedly connected to the output end of the suction pump (5). The No. 2 conveying pipe (7) is fixedly connected to the No. 3 conveying pipe (6) on one side. The upper and lower ends of the mixing tank (1) are fixedly connected to the fixing frame (11). One end of each of the two fixing frames (11) is fixedly connected to the spraying device (12). One end of the No. 2 conveying pipe (7) is fixedly connected to one side of one of the spraying devices (12). One end of the No. 3 conveying pipe (6) is fixedly connected to one side of the other spraying device (12). Spraying pipes (10) are fixedly connected to all four sides of one side of each of the two spraying devices (12).

2. The flocculant dosing device for wastewater treatment according to claim 1, characterized in that: A motor (17) is fixedly connected to one side of the mixing tank (1), and a stirring rod (20) is rotatably connected inside the mixing tank (1).

3. The flocculant dosing device for wastewater treatment according to claim 2, characterized in that: One end of the first stirring rod (20) passes through the upper end of the stirring tank (1) and is fixedly connected to the output end of the motor (17) with a synchronous pulley (15). A transmission belt (16) is connected between the two synchronous pulleys (15).

4. The flocculant dosing device for wastewater treatment according to claim 3, characterized in that: A connecting plate (21) is fixedly connected to one side of the first stirring rod (20), and a second stirring rod (23) is rotatably connected to both ends of the connecting plate (21).

5. The flocculant dosing device for wastewater treatment according to claim 4, characterized in that: Gears (22) are fixedly connected to the upper ends of the two second stirring rods (23), and a toothed ring (19) is fixedly connected to the upper part of the inside of the stirring tank (1). The outer surfaces of the two gears (22) mesh with the inside of the toothed ring (19).

6. The flocculant dosing device for wastewater treatment according to claim 1, characterized in that: A water supply pipe (14) is fixedly connected to one side of the upper end of the mixing tank (1), and a feed pipe (8) is fixedly connected to the other side of the upper end of the mixing tank (1).

7. The flocculant dosing device for wastewater treatment according to claim 1, characterized in that: The two fixing frames (11) are fixedly connected with reinforcing ribs (18) around their perimeter, and one side of each of the eight reinforcing ribs (18) is fixedly connected to the outer surface of the mixing tank (1).

8. The flocculant dosing device for wastewater treatment according to claim 1, characterized in that: The lower ends of the four mounting brackets (2) are all fixedly connected to support rods (4).

Images