Water disinfection device for sewage treatment

Abstract

The utility model discloses a water quality disinfection device for sewage treatment, which comprises a sewage treatment tank, a cover plate is fixedly mounted at the top of the sewage treatment tank, a stirring shaft is rotatably connected to the bottom of the sewage treatment tank, a stirring paddle is fixedly mounted on the stirring shaft, a motor I is fixedly mounted on the cover plate, and an output shaft of the motor I is in transmission connection with the stirring shaft. A filter pipe is fixedly mounted between the inner side walls of the sewage treatment tank, and a water inlet is formed in the filter pipe. A sodium hypochlorite solution in the sodium hypochlorite solution storage tank is released through the valve, the sodium hypochlorite solution is sprayed into the sewage treatment tank from the spray head, sodium hypochlorite reacts with sewage, and the sewage enters the filter pipe to be filtered, so that bottom precipitation of the sewage treatment tank and influence on disinfection are avoided; meanwhile, a motor II drives a rotating shaft to rotate, so that a brush plate is driven to rotate, the filter screen can be effectively cleaned, and sewage and sodium hypochlorite can be fully mixed by rotating a stirring paddle under the action of a motor I.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment, in particular to a water quality disinfection device for sewage treatment. Background Art

[0002] The process of purifying sewage to meet the water quality requirements for discharge into a water body or reuse. Sewage treatment is widely used in agriculture, transportation, energy, petrochemicals, environmental protection, medical care, catering and other fields, and is increasingly entering the daily lives of ordinary people.

[0003] When adding sodium hypochlorite disinfectant into sewage, people need to add it to the sewage tank regularly, which is time-consuming and labor-intensive, with high labor costs. At the same time, the reaction between the sewage in the sewage tank and the disinfectant is slow and insufficient. At the same time, solids or flocs in the sewage will affect the efficiency of the reaction between sodium hypochlorite and sewage. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a water quality disinfection device for sewage treatment.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A sewage treatment water quality disinfection device comprises a sewage treatment tank, a cover plate is fixedly installed on the top of the sewage treatment tank, and a stirring shaft is rotatably connected to the bottom of the sewage treatment tank, a stirring paddle is fixedly installed on the stirring shaft, a motor 1 is fixedly installed on the cover plate, and the output shaft of the motor 1 is drivingly connected to the stirring shaft, a filter tube is fixedly installed between the inner side walls of the sewage treatment tank, a water inlet is opened on the filter tube, a water inlet is connected to the water inlet, a filter screen is installed in the filter tube, and a rotating shaft is installed in the filter tube, a connecting rod is fixedly installed on the rotating shaft at equal distances, a brush plate is fixedly connected to the connecting rod, bristles are connected to the brush plate, and the bristles are slidably connected to the filter screen, a water outlet is opened on the filter tube, a motor 2 is fixedly installed on the outer side wall of the sewage treatment tank, and the output shaft of the motor 2 is drivingly connected to the rotating shaft;

[0007] A sodium hypochlorite solution spray pipe 1 and a sodium hypochlorite solution spray pipe 2 are placed in the sewage treatment pool, and nozzles are fixedly installed on the sodium hypochlorite solution spray pipe 1 and the sodium hypochlorite solution spray pipe 2 at equal distances. The sodium hypochlorite solution spray pipe 1 is fixedly connected to an elbow, and the elbow is fixedly connected to a sodium hypochlorite solution delivery pipe. The sodium hypochlorite solution spray pipe 2 is fixedly connected to a pipe joint, and the pipe joint is fixedly connected to the sodium hypochlorite solution delivery pipe. The water inlet of the sodium hypochlorite solution delivery pipe is fixedly connected to a sodium hypochlorite solution storage tank, and the sodium hypochlorite solution in the sodium hypochlorite solution storage tank is released through a valve, so that the sodium hypochlorite solution automatically enters the secondary through the delivery pipe. The sodium chlorate solution nozzle one and the sodium hypochlorite solution nozzle two are finally sprayed into the sewage treatment pool from the nozzle to make the sodium hypochlorite react with the sewage, which saves manpower. The sediment and flocs mixed in the sewage can be filtered through the sewage entering the filter tube, thereby avoiding precipitation at the bottom of the sewage treatment pool and affecting the disinfection reaction. At the same time, the motor two drives the rotating shaft to rotate, and the rotating shaft is equipped with a connecting rod. The brush plate with bristles is installed on the connecting rod, which can effectively clean the filter screen. The motor one drives the stirring shaft to rotate, and the stirring shaft drives the stirring paddle to rotate. The rotation of the stirring paddle can make the sewage in the sewage treatment pool and the sodium hypochlorite fully mixed and reacted.

[0008] Preferably, the sodium hypochlorite solution storage tank is provided with a sodium hypochlorite solution inlet, a sodium hypochlorite solution inlet pipe is fixedly installed at the sodium hypochlorite solution inlet, and a valve is installed on the sodium hypochlorite solution inlet pipe.

[0009] Preferably, two I-shaped blocks are fixedly installed on the top of the sewage treatment tank, the sodium hypochlorite solution delivery pipe is placed on the two I-shaped blocks, and the sodium hypochlorite solution delivery pipe is connected to two fixed pipe clamps, both of which are connected to the two I-shaped blocks by bolts, and a valve is installed on the sodium hypochlorite solution delivery pipe.

[0010] Preferably, a water level gauge is provided on the side wall of the sodium hypochlorite solution storage tank, and a support frame is fixedly connected to the bottom of the sodium hypochlorite solution storage tank, and the top of the sodium hypochlorite solution storage tank is conical.

[0011] Preferably, the sodium hypochlorite solution spray pipe 1, the sodium hypochlorite solution spray pipe 2 and the water inlet pipe are all fixedly connected to the cover plate.

[0012] Preferably, a circular ring is fixedly connected to the water inlet pipe, and a threaded hole is opened on the circular ring.

[0013] The beneficial effects of the utility model are:

[0014] 1. Release the sodium hypochlorite solution in the sodium hypochlorite solution storage tank through the valve, so that the sodium hypochlorite solution automatically enters the sodium hypochlorite solution nozzle 1 and the sodium hypochlorite solution nozzle 2 through the delivery pipe, and finally sprays into the sewage treatment pool from the nozzle, so that the sodium hypochlorite reacts with the sewage, saving manpower;

[0015] 2. The sediment and flocs mixed in the sewage can be filtered through the sewage entering the filter tube, so as to avoid precipitation at the bottom of the sewage treatment pool and affect the disinfection reaction. At the same time, the second motor drives the rotating shaft to rotate, and the rotating shaft is equipped with a connecting rod, and a brush plate with bristles is installed on the connecting rod, which can effectively clean the filter screen;

[0016] 3. The motor drives the stirring shaft to rotate, and the stirring shaft drives the stirring paddle to rotate. The rotation of the stirring paddle can make the sewage in the sewage treatment pool and the sodium hypochlorite fully mixed and reacted. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the structure of a water quality disinfection device for sewage treatment proposed by the utility model;

[0018] Figure 2 It is a top and side view of a water quality disinfection device for sewage treatment proposed by the utility model;

[0019] Figure 3 This is a schematic diagram of a filter tube of a water quality disinfection device for sewage treatment proposed by the utility model.

[0020] In the figure: 1. sewage treatment tank; 2. cover plate; 3. stirring shaft; 4. stirring paddle; 5. motor 1; 6. filter tube; 7. filter screen; 8. rotating shaft; 9. brush plate; 10. motor 2; 11. sodium hypochlorite solution nozzle 1; 12. sodium hypochlorite solution nozzle 2; 13. nozzle; 14. delivery pipe; 15. sodium hypochlorite solution storage tank; 16. sodium hypochlorite solution inlet pipe; 17. I-shaped block; 18. fixed pipe clamp; 19. water level gauge; 20. ring. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] Example 1, reference Figure 1-3, a water quality disinfection device for sewage treatment, comprising a sewage treatment pool 1, characterized in that: a cover plate 2 is fixedly installed on the top of the sewage treatment pool 1, and a stirring shaft 3 is rotatably connected to the bottom of the sewage treatment pool 1, a stirring paddle 4 is fixedly installed on the stirring shaft 3, a motor 1 5 is fixedly installed on the cover plate 2, and the output shaft of the motor 1 5 is transmission-connected to the stirring shaft 3, a filter tube 6 is fixedly installed between the inner side walls of the sewage treatment pool 1, a water inlet is opened on the filter tube 6, a water inlet is connected to the water inlet, a filter screen 7 is installed in the filter tube 6, and a rotating shaft 8 is installed in the filter tube 6, a connecting rod is fixedly installed on the rotating shaft 8 at equal distances, a brush plate 9 is fixedly connected to the connecting rod, bristles are connected to the brush plate 9, and the bristles are slidably connected to the filter screen 7, a water outlet is opened on the filter tube 6, a motor 2 10 is fixedly installed on the outer side wall of the sewage treatment pool 1, and the output shaft of the motor 2 10 is transmission-connected to the rotating shaft 8;

[0023] A sodium hypochlorite solution nozzle 11 and a sodium hypochlorite solution nozzle 2 12 are placed in the sewage treatment pool 1, and nozzles 13 are fixedly installed on the sodium hypochlorite solution nozzle 11 and the sodium hypochlorite solution nozzle 2 12 at equal distances. The sodium hypochlorite solution nozzle 11 is fixedly connected to an elbow, and the elbow is fixedly connected to a sodium hypochlorite solution delivery pipe 14. The sodium hypochlorite solution nozzle 2 12 is fixedly connected to a pipe joint, and the pipe joint is fixedly connected to the sodium hypochlorite solution delivery pipe 14. The water inlet of the sodium hypochlorite solution delivery pipe 14 is fixedly connected to a sodium hypochlorite solution storage tank 15, and the sodium hypochlorite solution storage tank 15 is connected to a sodium hypochlorite solution inlet pipe 16. When it is necessary to disinfect the sewage, the sewage enters the filter pipe 6 through the water inlet pipe. A filter screen 7 is installed in the filter pipe 6, which can filter the sediment and flocs mixed in the sewage, thereby avoiding The bottom of the sewage treatment pool 1 is free from precipitation and influence on the disinfection reaction. At the same time, the motor 2 10 drives the rotating shaft 8 to rotate. The rotating shaft 8 is installed with a connecting rod. The brush plate 9 with bristles is installed on the connecting rod, which can effectively clean the filter screen. Then, the sodium hypochlorite solution in the sodium hypochlorite solution storage tank 15 is released by controlling the valve, so that the sodium hypochlorite solution automatically enters the sodium hypochlorite solution nozzle 1 11 and the sodium hypochlorite solution nozzle 2 12 through the delivery pipe 14, and finally sprayed into the sewage treatment pool 1 from the nozzle 13, so that the sodium hypochlorite reacts with the sewage. Finally, the motor 1 5 is started, and the stirring shaft 3 is driven to rotate by the motor 1 5. The stirring shaft 3 drives the stirring paddle 4 to rotate. The rotation of the stirring paddle 4 can make the sewage in the sewage treatment pool 1 and the sodium hypochlorite fully mixed and reacted, so as to achieve the purpose of disinfecting the sewage with sodium hypochlorite.

[0024] Embodiment 2:

[0025] This embodiment is optimized on the basis of the embodiment 1, specifically: a sodium hypochlorite solution inlet is opened on the sodium hypochlorite solution storage tank 15, a sodium hypochlorite solution inlet pipe 16 is fixedly installed at the sodium hypochlorite solution inlet, a valve is installed on the sodium hypochlorite solution inlet pipe 16, two I-shaped blocks 17 are fixedly installed on the top of the sewage treatment tank 1, a sodium hypochlorite solution delivery pipe 14 is placed on the two I-shaped blocks 17, and two fixed pipe clamps 18 are connected to the sodium hypochlorite solution delivery pipe 14, and the two fixed pipe clamps 18 are connected to the two I-shaped blocks 17 by bolts, a valve is installed on the sodium hypochlorite solution delivery pipe 14, a water level gauge 19 is provided on the side wall of the sodium hypochlorite solution storage tank 15, and a support frame is fixedly connected to the bottom of the sodium hypochlorite solution storage tank 15, the top of the sodium hypochlorite solution storage tank 15 is conical, the sodium hypochlorite solution nozzle 1 11, the sodium hypochlorite solution nozzle 2 12 and the water inlet pipe are all fixedly connected to the cover plate 2, and a ring 20 is fixedly connected to the water inlet pipe, and a threaded hole is opened on the ring 20.

[0026] Working principle: The sodium hypochlorite solution storage tank 15 is connected to a sodium hypochlorite solution inlet pipe 16. When the sewage needs to be disinfected, the sewage enters the filter tube 6 through the water inlet pipe. The filter tube 6 is equipped with a filter screen 7, which can filter the sediment and flocs mixed in the sewage, thereby avoiding precipitation at the bottom of the sewage treatment tank 1 and affecting the disinfection reaction. At the same time, the motor 10 drives the rotating shaft 8 to rotate. The rotating shaft 8 is equipped with a connecting rod. A brush plate 9 with bristles is installed on the connecting rod, which can effectively clean the filter screen and then release it through the control valve. The sodium hypochlorite solution in the sodium hypochlorite solution storage tank 15 is automatically passed through the delivery pipe 14 into the sodium hypochlorite solution nozzle 11 and the sodium hypochlorite solution nozzle 2 12, and finally sprayed into the sewage treatment tank 1 from the nozzle 13, so that the sodium hypochlorite reacts with the sewage, and finally the motor 15 is started, and the stirring shaft 3 is driven to rotate by the motor 15, and the stirring shaft 3 drives the stirring paddle 4 to rotate, and the rotation of the stirring paddle 4 can make the sewage in the sewage treatment tank 1 and the sodium hypochlorite fully mixed and reacted, so as to achieve the purpose of using sodium hypochlorite to disinfect the sewage.

[0027] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A water quality disinfection device for sewage treatment, comprising a sewage treatment tank (1), characterized in that: A cover plate (2) is fixedly mounted on the top of the sewage treatment tank (1), and a stirring shaft (3) is rotatably connected to the bottom of the sewage treatment tank (1), a stirring paddle (4) is fixedly mounted on the stirring shaft (3), a motor (5) is fixedly mounted on the cover plate (2), an output shaft of the motor (5) is drivingly connected to the stirring shaft (3), a filter tube (6) is fixedly mounted between the inner side walls of the sewage treatment tank (1), a water inlet is formed on the filter tube (6), a water inlet is connected to the water inlet, and the water inlet is connected to the water inlet. A filter screen (7) is installed in the filter tube (6), and a rotating shaft (8) is installed in the filter tube (6), connecting rods are fixedly installed on the rotating shaft (8) at equal distances, a brush plate (9) is fixedly connected to the connecting rod, bristles are connected to the brush plate (9), and the bristles are slidably connected to the filter screen (7), a water outlet is opened on the filter tube (6), and a second motor (10) is fixedly installed on the outer wall of the sewage treatment tank (1), and the output shaft of the second motor (10) is drivingly connected to the rotating shaft (8); A sodium hypochlorite solution spray pipe (11) and a sodium hypochlorite solution spray pipe (12) are placed in the sewage treatment pool (1). Spray heads (13) are fixedly installed on the sodium hypochlorite solution spray pipe (11) and the sodium hypochlorite solution spray pipe (12) at equal distances. The sodium hypochlorite solution spray pipe (11) is fixedly connected to a bend pipe, and the bend pipe is fixedly connected to a sodium hypochlorite solution delivery pipe (14). The sodium hypochlorite solution spray pipe (12) is fixedly connected to a pipe joint, and the pipe joint is fixedly connected to the sodium hypochlorite solution delivery pipe (14). The water inlet of the sodium hypochlorite solution delivery pipe (14) is fixedly connected to a sodium hypochlorite solution storage tank (15).

2. A sewage treatment water disinfection device according to claim 1, characterized in that: The sodium hypochlorite solution storage tank (15) is provided with a sodium hypochlorite solution inlet, a sodium hypochlorite solution inlet pipe (16) is fixedly installed at the sodium hypochlorite solution inlet, and a valve is installed on the sodium hypochlorite solution inlet pipe (16).

3. A sewage treatment water disinfection device according to claim 1, characterized in that: Two I-shaped blocks (17) are fixedly installed on the top of the sewage treatment pool (1), the sodium hypochlorite solution delivery pipe (14) is placed on the two I-shaped blocks (17), and the sodium hypochlorite solution delivery pipe (14) is connected to two fixed pipe clamps (18), the two fixed pipe clamps (18) are connected to the two I-shaped blocks (17) by bolts, and a valve is installed on the sodium hypochlorite solution delivery pipe (14).

4. A sewage treatment water disinfection device according to claim 1, characterized in that: A water level gauge (19) is provided on the side wall of the sodium hypochlorite solution storage tank (15), and a support frame is fixedly connected to the bottom of the sodium hypochlorite solution storage tank (15), and the top of the sodium hypochlorite solution storage tank (15) is conical.

5. A sewage treatment water disinfection device according to claim 1, characterized in that: The sodium hypochlorite solution spray pipe 1 (11), the sodium hypochlorite solution spray pipe 2 (12) and the water inlet pipe are all fixedly connected to the cover plate (2).

6. A sewage treatment water disinfection device according to claim 1, characterized in that: A circular ring (20) is fixedly connected to the water inlet pipe, and a threaded hole is formed on the circular ring (20).

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