Dosing device for Fenton reaction

Abstract

The utility model discloses a Fenton reaction dosing device which comprises a first dosing branch and a second dosing branch which are respectively communicated with a sewage pool, the first dosing branch comprises a first medicine storage tank and a first medicine pump which are communicated with the sewage pool through a first pipeline, and the second dosing branch comprises a second medicine storage tank and a second medicine pump which are communicated with the sewage pool through a second pipeline. The second chemical adding branch comprises a second chemical storage tank and a second chemical pump which are communicated with the sewage pool through a second pipeline; the first pipeline and the second pipeline are each provided with a medicine amount control mechanism used for controlling the medicine amount. According to the utility model, the dosage control mechanism is arranged to adjust the dosage of the medicament in a targeted manner, so that the dosage can be accurately controlled, the consumption of the medicament is effectively controlled, and the condition that excessive sludge is generated due to overlarge dosage is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment equipment, in particular to a Fenton reaction dosing device. Background Art

[0002] The Fenton oxidation process is one of the earliest researched and relatively widely used advanced oxidation processes. It removes pollutants not only through the strong oxidative action of hydroxyl radicals but also incorporates coagulation and adsorption mechanisms. This results in high pollutant removal rates and excellent effluent quality. Its advantages include strong oxidizing power, economy, high efficiency, and ease of operation, making it highly effective in treating difficult-to-degrade organic wastewater. However, this process also has certain shortcomings: it requires the addition of multiple chemicals, such as concentrated sulfuric acid, hydrogen peroxide, ferrous sulfate, and liquid caustic soda. This increases labor requirements and places relatively high technical demands. Many sewage treatment plants adopt an extensive dosing method, resulting in high chemical dosages, sludge production, and increased sludge disposal costs. Its high chemical and energy consumption not only increases sewage treatment plant operating costs but also violates the national low-carbon and environmental protection strategy. Utility Model Content

[0003] The purpose of the utility model is to overcome the shortcomings of the existing technology and provide a Fenton reaction dosing device. By setting a dosage control mechanism to specifically adjust the dosage of the agent, the dosage can be accurately controlled, the drug consumption can be effectively controlled, and the situation of excessive sludge generated due to excessive dosage can be avoided.

[0004] The purpose of this utility model is achieved through the following technical solutions:

[0005] A Fenton reaction dosing device includes a first dosing branch and a second dosing branch respectively connected to a sewage tank, wherein the first dosing branch includes a first drug storage tank and a first drug pump connected to the sewage tank via a first pipe, and the second dosing branch includes a second drug storage tank and a second drug pump connected to the sewage tank via a second pipe;

[0006] The first pipe and the second pipe are respectively provided with a dosage control mechanism for controlling the amount of medicine.

[0007] Furthermore, the drug dosage control mechanism includes a fixed ring disk, a rotating ring disk and a plurality of adjustment blades, the fixed ring disk being fixed in the first pipe by a bracket, the adjustment blades being arranged between the fixed ring disk and the rotating ring disk, the fixed ring disk being provided with an inclined slide groove, the fixed ring disk being provided with an arc-shaped inclined groove, one side of the adjustment blade being provided with a slider that slides in cooperation with the slide groove, and the other side of the adjustment blade being provided with a sliding column that slides in cooperation with the inclined groove; a dosing hole is formed at one end of the plurality of adjustment blades close to the center of the rotating ring disk;

[0008] The rotating disk is driven to rotate by a driving mechanism. When the rotating disk rotates, the diameter of the dosing hole increases or decreases.

[0009] Furthermore, the driving mechanism includes a ring gear and a gear, the ring gear is coaxially fixed with the rotating disk, the gear is engaged with the ring gear, and the gear is coaxially provided with a drive shaft, one end of the drive shaft extends to the outside of the first pipe and is transmission-connected to the driving member.

[0010] Furthermore, the driving member is a motor.

[0011] Furthermore, the gear axis is perpendicular to the ring gear axis.

[0012] Furthermore, it also includes a controller and a detection mechanism arranged in the sewage pool for detecting water quality. The signal output end of the detection mechanism is connected to the signal input end of the controller, and the signal output end of the controller is connected to the signal input end of the motor.

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

[0014] The utility model provides a dosage control mechanism to adjust the dosage of the agent in a targeted manner, thereby accurately controlling the dosage, effectively controlling the drug consumption, and avoiding the situation where excessive sludge is generated due to excessive dosage. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of the Fenton reaction dosing device in an embodiment of the present utility model;

[0016] Figure 2 A three-dimensional diagram of a drug dosage control mechanism;

[0017] Figure 3 The exploded view of the dosage control mechanism;

[0018] Figure 4 is a cross-sectional view of the drug dosage control mechanism;

[0019] Figure 5 This is a diagram showing the back side of the adjustment blade;

[0020] In the figure, 1. sewage tank; 2. first pipeline; 3. first medicine storage tank; 4. first medicine pump; 5. fixed ring disk; 6. rotating ring disk; 7. adjusting blade; 8. slide groove; 9. inclined groove; 10. slider; 11. sliding column; 12. ring gear; 13. gear; 14. drive shaft. DETAILED DESCRIPTION

[0021] The following will be combined with the embodiments to clearly and completely describe the technical solutions of the present invention. Obviously, the embodiments described are only some of the embodiments of the present invention, rather than all of them. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work shall fall within the scope of protection of the present invention.

[0022] See Figure 1-Figure 5 , the utility model provides a technical solution: Example

[0023] like Figure 1-Figure 5 As shown, a Fenton reaction dosing device includes a first dosing branch and a second dosing branch respectively connected to a sewage tank 1, wherein the first dosing branch includes a first drug storage tank 3 and a first drug pump 4 connected to the sewage tank 1 through a first pipe 2, and the second dosing branch includes a second drug storage tank and a second drug pump connected to the sewage tank 1 through a second pipe;

[0024] The first pipe 2 and the second pipe are respectively provided with a dosage control mechanism for controlling the amount of medicine.

[0025] like Figure 2-Figure 5 As shown, the dosage control mechanism includes a fixed ring disk 5, a rotating ring disk 6 and a plurality of adjustment blades 7. The fixed ring disk 5 is fixed in the first pipe 2 by a bracket. The adjustment blades 7 are arranged between the fixed ring disk 5 and the rotating ring disk 6. The fixed ring disk is provided with an inclined slide 8, and the fixed ring disk is provided with an arc-shaped inclined groove 9. One side of the adjustment blade 7 is provided with a slider 10 that slides in cooperation with the slide 8, and the other side of the adjustment blade 7 is provided with a sliding column 11 that slides in cooperation with the inclined groove 9; a dosing hole is formed at one end of the plurality of adjustment blades 7 close to the center of the rotating ring disk;

[0026] The rotating disk is driven to rotate by a driving mechanism. When the rotating disk rotates, the diameter of the dosing hole increases or decreases.

[0027] The drive mechanism includes a ring gear 12 and a gear 13. The ring gear 12 is coaxially fixed to the rotating disk (specifically, it can be fixed to, but is not limited to, the outer circumferential wall of the rotating disk). The gear 13 meshes with the ring gear 12. A drive shaft 14 is coaxially mounted on the gear 13. One end of the drive shaft 14 extends outside the first pipe 2 and is transmission-connected to the drive member. The drive shaft 14 is rotationally engaged with the pipe wall and is dynamically sealed therebetween. The specific engagement method and sealing structure are conventional and are not described here.

[0028] The driving component is a motor.

[0029] The axis of the gear 13 is perpendicular to the axis of the ring gear 12 .

[0030] It also includes a controller and a detection mechanism arranged in the sewage pool 1 for detecting water quality. The signal output end of the detection mechanism is connected to the signal input end of the controller, and the signal output end of the controller is connected to the signal input end of the motor.

[0031] The detection mechanisms include COD detector and pH detector, both of which are existing technologies. Their model selection and working principles are not described here in detail.

[0032] Working principle: When the detection mechanism detects a change in the water quality in the sewage pool 1, the control motor increases or decreases the aperture of the dosing hole according to the change in water quality, thereby increasing or decreasing the dosing amount.

[0033] When adjusting the aperture, the motor drives the gear 13 to rotate through the drive shaft 14. The rotation of the gear 13 drives the ring gear 12 to rotate. The rotation of the ring gear 12 drives the rotating disk to rotate. When the rotating disk rotates, the adjusting blade 7 is driven to move through the sliding column 11. Under the action of the inclined groove 9, the slider 10 and the slide groove 8, the adjusting blade 7 increases or decreases the diameter of the dosing hole formed between multiple (twelve in this embodiment, the dosing hole formed by the twelve adjusting blades 7 is a regular dodecagon) adjusting blades 7, thereby increasing or decreasing the dosing amount under the same dosing time.

[0034] When the slider 10 moves along the chute 8 toward the center of the circle, the length of the regular dodecagon is reduced, and the area of the regular dodecagon is reduced. In this case, the dosage is reduced. Conversely, when the slider 10 moves along the chute 8 away from the center of the circle (the motor is reversed), the length of the regular dodecagon is increased, and the area of the regular dodecagon is increased. In this case, the dosage is increased.

[0035] In the above process, the rotation angle of the rotating disk can be controlled by controlling the rotation angle of the motor, thereby achieving precise control of the aperture of the dosing hole and further achieving precise adjustment of the dosing amount.

[0036] The utility model provides a dosage control mechanism to adjust the dosage of the agent in a targeted manner, thereby accurately controlling the dosage, effectively controlling the drug consumption, and avoiding the situation where excessive sludge is generated due to excessive dosage.

[0037] The above description is merely a preferred embodiment of the present invention. It should be understood that the present invention is not limited to the form disclosed herein and should not be construed as excluding other embodiments. Instead, the present invention can be used in various other combinations, modifications, and environments and can be modified within the scope of the concept described herein through the above teachings or techniques or knowledge in the relevant fields. Modifications and variations made by those skilled in the art that do not depart from the spirit and scope of the present invention are intended to be protected by the claims appended hereto.

Claims

1. A Fenton reaction dosing device, characterized in that: The device comprises a first drug-dosing branch and a second drug-dosing branch respectively connected to the sewage pool, wherein the first drug-dosing branch comprises a first drug storage tank and a first drug pump connected to the sewage pool via a first pipe, and the second drug-dosing branch comprises a second drug storage tank and a second drug pump connected to the sewage pool via a second pipe; The first pipe and the second pipe are respectively provided with a dosage control mechanism for controlling the amount of medicine.

2. The Fenton reaction dosing device according to claim 1, characterized in that: The drug dosage control mechanism includes a fixed ring disk, a rotating ring disk and a plurality of adjustment blades. The fixed ring disk is fixed in the first pipe by a bracket. The adjustment blades are arranged between the fixed ring disk and the rotating ring disk. The fixed ring disk is provided with an inclined slide groove. The fixed ring disk is provided with an arc-shaped inclined groove. One side of the adjustment blade is provided with a slider that slides in cooperation with the slide groove. The other side of the adjustment blade is provided with a sliding column that slides in cooperation with the inclined groove. The ends of the plurality of adjustment blades close to the center of the rotating ring disk form a dosing hole. The rotating ring disk is driven to rotate by a driving mechanism. When the rotating ring disk rotates, the diameter of the dosing hole increases or decreases.

3. The Fenton reaction dosing device according to claim 2, characterized in that: The driving mechanism includes a ring gear and a gear. The ring gear is coaxially fixed with the rotating ring disk. The gear is engaged with the ring gear. A drive shaft is coaxially provided on the gear. One end of the drive shaft extends to the outside of the first pipe and is transmission-connected to the driving member.

4. The Fenton reaction dosing device according to claim 3, characterized in that: The driving component is a motor.

5. The Fenton reaction dosing device according to claim 3, characterized in that: The gear axis is perpendicular to the ring gear axis.

6. The Fenton reaction dosing device according to claim 4, characterized in that: It also includes a controller and a detection mechanism arranged in the sewage pool for detecting water quality. The signal output end of the detection mechanism is connected to the signal input end of the controller, and the signal output end of the controller is connected to the signal input end of the motor.

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