Diatomite magnetic core flocculation wastewater treatment device

Abstract

The utility model discloses a diatomite magnetic core flocculation wastewater treatment device in the technical field of wastewater treatment, which comprises a mixed flocculation reaction tank, an electromagnetic sedimentation tank and a transition tank, the top of the mixed flocculation reaction tank is provided with a water adding pipe penetrating through the top of the treatment tank, and the top of the mixed flocculation reaction tank is provided with a dosing stirring mechanism; a water passing hole and a communicating hole are formed in the two groups of partition plates respectively, the mixed flocculation reaction tank is communicated with the electromagnetic sedimentation tank through the water passing hole, the electromagnetic sedimentation tank is communicated with the transition tank through the communicating hole, and an electromagnetic circulation attraction structure and an electromagnet are mounted at the top of an inner cavity of the electromagnetic sedimentation tank through a bracket; according to the utility model, chemicals are added while the chemicals are stirred by the chemical adding and stirring mechanism, and a magnetic composite flocculant containing diatomite is dispersed and guided into the mixed flocculation reaction tank through the stirring shaft and the stirring side pipe, so that the magnetic composite flocculant containing diatomite is dispersed more uniformly and has a larger range, the mixing efficiency is improved, and the mixing effect is improved. And the processing efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of wastewater treatment, in particular to a diatomite magnetic core flocculation wastewater treatment device. Background Art

[0002] Magnetic flocculation is to add magnetic particles into traditional flocculation agents, such as magnetic composite flocculants containing diatomite. Diatomite is a siliceous rock and a biogenic siliceous sedimentary rock, which is mainly composed of the remains of ancient diatoms. Its chemical composition is mainly SiO2, which can be expressed as SiO2·nH2O, and its mineral composition is opal and its variants. It is a sewage treatment process that uses a magnetic field to accelerate precipitation. Compared with conventional flocculation, magnetic flocculation has a faster speed and more thorough flocculation, which is equivalent to increasing the treatment capacity and reducing the treatment cost.

[0003] When the existing magnetic core flocculation wastewater treatment device mixes the magnetic composite flocculant with sewage, it adds the medicine separately and then stirs, which requires a long mixing time and results in low treatment efficiency. Summary of the Utility Model

[0004] The purpose of this part is to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Simplifications or omissions may be made in this part, as well as in the abstract and the title of the utility model, to avoid obscuring the purpose of this part, the abstract and the title. However, such simplifications or omissions shall not be used to limit the scope of the utility model.

[0005] Therefore, the purpose of the utility model is to provide a diatomite magnetic core flocculation wastewater treatment device, which can solve the problem that the existing method of adding and mixing magnetic composite flocculants requires a long time and reduces the treatment efficiency.

[0006] To solve the above technical problems, the present utility model provides a diatomite magnetic core flocculation wastewater treatment device, adopting the following technical solutions: including a treatment tank, there are two groups of partition plates arranged in the inner cavity of the treatment tank, and the inner cavity of the treatment tank is divided into a mixing flocculation reaction tank, an electromagnetic sedimentation tank and a transition tank distributed from left to right by the two groups of partition plates. A water inlet pipe penetrating through the top of the treatment tank is arranged at the top of the mixing flocculation reaction tank, and a chemical dosing and stirring mechanism is arranged at the top of the mixing flocculation reaction tank. Water passing holes and communication holes are respectively opened on the two partition plates, and the mixing flocculation reaction tank and the electromagnetic sedimentation tank are connected through the water passing holes, and the electromagnetic sedimentation tank and the transition tank are connected through the communication holes. Inspection openings penetrating through the top of the treatment tank are opened at the tops of the mixing flocculation reaction tank, the electromagnetic sedimentation tank and the transition tank. A drain pipe is connected to the right side of the treatment tank. The bottoms of the mixing flocculation reaction tank, the electromagnetic sedimentation tank and the transition tank are sequentially connected with a sewage pipe, a sludge pipe and a clear water pipe. An electromagnetic circulation attraction structure and an electromagnet are installed at the top of the inner cavity of the electromagnetic sedimentation tank through a bracket, and the electromagnet is connected to the electromagnetic circulation attraction structure through a wire.

[0007] Optionally, the bottom of the water inlet pipe extends into the bottom of the mixing flocculation reaction tank, and the water inlet pipe is arranged in an inclined shape. At the same time, the included angle between the bottom of the water inlet pipe and the left side wall of the mixing flocculation reaction tank is between 80 - 90 degrees.

[0008] Optionally, the chemical dosing and stirring mechanism includes a motor frame fixedly installed on the top of the treatment tank. A driving motor is installed on the motor frame. A driving gear is fixedly installed at the bottom power output end of the driving motor. A driven gear is meshed and connected to the left side of the driving gear. A stirring shaft is fixedly inserted inside the driven gear, and the bottom of the stirring shaft extends into the bottom of the mixing flocculation reaction tank. The inside of the stirring shaft is hollow, and a sealing cover is arranged at the top of the stirring shaft. A support frame is fixedly installed on the left side of the top of the motor frame. A chemical dosing pipe is fixedly installed on the left side of the support frame, and the chemical dosing pipe penetrates through the sealing cover and extends into the inner cavity of the stirring shaft. Stirring side pipes are symmetrically arranged on the left and right sides of the end of the stirring shaft extending into the mixing flocculation reaction tank, and the stirring side pipes are communicated with the inner cavity of the stirring shaft.

[0009] Optionally, sealing bearings are arranged at the connection between the stirring shaft and the treatment tank and at the connection between the sealing cover and the chemical dosing pipe.

[0010] Optionally, the stirring side pipes are arranged in an inclined shape, and at the same time, the opening at the end of the stirring side pipe far away from the stirring shaft faces downward.

[0011] Optionally, flow guiding plates are symmetrically arranged on the left and right sides of the bottom of the inner cavity of the electromagnetic sedimentation tank, and the two flow guiding plates are symmetrically arranged on the left and right sides of the opening of the sludge pipe.

[0012] Optionally, a semicircular barrel-shaped flow retarder is provided on the left side of the water passing hole, and the top of the flow retarder is fixedly connected to the top of the mixing and flocculation reaction tank.

[0013] Optionally, the electromagnet is in a "V" shape, and the opening of the "V" shape of the electromagnet is arranged towards the side of the water passing hole.

[0014] In summary, the present utility model includes at least one of the following beneficial effects:

[0015] 1. While stirring, the dosing and stirring mechanism of the present utility model doses the medicine. The magnetic composite flocculant containing diatomaceous earth is dispersed and introduced into the mixing and flocculation reaction tank through the stirring shaft and the stirring side pipe, so that the magnetic composite flocculant containing diatomaceous earth is more uniformly dispersed and has a larger range, improving the mixing efficiency and thus accelerating the treatment efficiency.

[0016] 2. The present utility model extends the water supply pipe to the bottom of the mixing and flocculation reaction tank and arranges it at an angle with the mixing and flocculation reaction tank. In this way, when the sewage is input, it collides with the side wall of the mixing and flocculation reaction tank and undergoes reverse single dispersion, enabling the sewage to better contact and mix with the magnetic composite flocculant containing diatomaceous earth. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for describing the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present utility model, and those of ordinary skill in the art can obtain other drawings based on these drawings without creative efforts.

[0018] Figure 1 is a schematic structural diagram of the present utility model;

[0019] Figure 2 is Figure 1 an enlarged schematic diagram of the structure of part A in

[0020] Figure 3 is a schematic structural diagram of the electromagnet of the present utility model;

[0021] Figure 4 is a schematic structural diagram of the flow retarder of the present utility model.

[0022] Description of reference numerals: 1, treatment tank; 2, partition board; 3, mixing and flocculation reaction tank; 4, electromagnetic sedimentation tank; 5, transition tank; 6, water inlet pipe; 7, water passing hole; 8, communication hole; 9, motor frame; 10, driving motor; 11, driving gear; 12, driven gear; 13, stirring shaft; 14, sealing cover; 15, support frame; 16, chemical adding pipe; 17, stirring side pipe; 18, inspection opening; 19, drain pipe; 20, sewage discharge pipe; 21, sludge pipe; 22, clear water pipe; 23, electromagnetic circulation suction structure; 24, electromagnet; 25, guide plate; 26, flow retardation plate. Detailed implementation mode

[0023] The following further elaborates on the present utility model in conjunction with the attached Figures 1-4 drawings.

[0024] In the first embodiment, referring to Figures 1-4 the drawings, the purpose of this embodiment is to provide a diatomite magnetic core flocculation wastewater treatment device, which can solve the problem that the existing magnetic composite flocculant dosing and mixing method takes a long time and reduces the treatment efficiency.

[0025] The device includes a treatment tank 1. Two groups of partition boards 2 are arranged in the inner cavity of the treatment tank 1. The inner cavity of the treatment tank 1 is divided into a mixing and flocculation reaction tank 3, an electromagnetic sedimentation tank 4, and a transition tank 5 that are distributed from left to right by the two groups of partition boards 2. A water inlet pipe 6 penetrating through the top of the treatment tank 1 is arranged at the top of the mixing and flocculation reaction tank 3. A chemical adding and stirring mechanism is arranged at the top of the mixing and flocculation reaction tank 3. Water passing holes 7 and communication holes 8 are respectively opened on the two groups of partition boards 2. The mixing and flocculation reaction tank 3 and the electromagnetic sedimentation tank 4 are communicated through the water passing holes 7, and the electromagnetic sedimentation tank 4 and the transition tank 5 are communicated through the communication holes 8. Inspection openings 18 penetrating through the top of the treatment tank 1 are opened at the tops of the mixing and flocculation reaction tank 3, the electromagnetic sedimentation tank 4, and the transition tank 5. A drain pipe 19 is communicated with the right side of the treatment tank 1. Sewage discharge pipes 20, sludge pipes 21, and clear water pipes 22 are sequentially communicated at the bottoms of the mixing and flocculation reaction tank 3, the electromagnetic sedimentation tank 4, and the transition tank 5. An electromagnetic circulation suction structure 23 and an electromagnet 24 are installed at the top of the inner cavity of the electromagnetic sedimentation tank 4 through a bracket. The electromagnet 24 is connected to the electromagnetic circulation suction structure 23 through a wire.

[0026] Among them, the bottom of the water inlet pipe 6 extends into the bottom of the mixing and flocculation reaction tank 3, and the water inlet pipe 6 is arranged in an inclined shape. At the same time, the included angle between the bottom of the water inlet pipe 6 and the left side wall of the mixing and flocculation reaction tank 3 is between 80 - 90 degrees.

[0027] By extending the water inlet pipe 6 into the bottom of the mixing and flocculation reaction tank 3 and setting it at an angle with the mixing and flocculation reaction tank 3, when sewage is input, it can collide with the side wall of the mixing and flocculation reaction tank 3 and perform reverse single dispersion, so that the sewage can better contact and mix with the magnetic composite flocculant containing diatomite.

[0028] The chemical dosing and stirring mechanism includes a motor frame 9 fixedly installed on the top of the treatment tank 1. A driving motor 10 is installed on the motor frame 9. The bottom power output end of the driving motor 10 is fixedly installed with a driving gear 11. The left side of the driving gear 11 is meshed and connected with a driven gear 12. A stirring shaft 13 is fixedly inserted inside the driven gear 12, and the bottom of the stirring shaft 13 extends into the bottom of the mixing and flocculation reaction tank 3. The inside of the stirring shaft 13 is hollow, and a sealing cover 14 is arranged at the top of the stirring shaft 13. A support frame 15 is fixedly installed on the left side of the top of the motor frame 9. A chemical dosing pipe 16 is fixedly installed on the left side of the support frame 15, and the chemical dosing pipe 16 penetrates through the sealing cover 14 and extends into the inner cavity of the stirring shaft 13. Sealing bearings are arranged at the connection between the stirring shaft 13 and the treatment tank 1 and at the connection between the sealing cover 14 and the chemical dosing pipe 16. Stirring side pipes 17 are symmetrically arranged on the left and right sides of one end of the stirring shaft 13 extending into the mixing and flocculation reaction tank 3, and the stirring side pipes 17 are communicated with the inner cavity of the stirring shaft 13. The stirring side pipes 17 are inclined, and the opening at the end of the stirring side pipe 17 away from the stirring shaft 13 faces downward.

[0029] The driving motor 10 drives the driven gear 12 to rotate through the driving gear 11, so that the driven gear 12 drives the stirring shaft 13 to rotate, and the stirring side pipes 17 also rotate accordingly to stir the sewage. The magnetic composite flocculant containing diatomite is transported into the stirring shaft 13 through the chemical dosing pipe 16 and finally discharged into the mixing and flocculation reaction tank 3 through the stirring side pipes 17. The support frame 15 can ensure the stability of the chemical dosing pipe 16, and the chemical dosing pipe 16 does not rotate with the stirring shaft 13 through the sealing bearing. After the magnetic composite flocculant containing diatomite is transported into the stirring shaft 13, due to the rotation of the stirring shaft 13, the liquid medicine is thrown out of the stirring shaft 13 under the action of centrifugal force and discharged through the stirring side pipes 17. Due to the inclined downward setting of the stirring side pipes 17, the thrown liquid medicine diffuses downward, so that when the liquid medicine is added to the sewage, the diffusion range is larger, and when it is added to the sewage, the sewage is also stirred and diffused, so that the sewage and the liquid medicine are mixed more quickly, improving the flocculation efficiency.

[0030] Flow guiding plates 25 are symmetrically arranged on the left and right sides of the bottom of the inner cavity of the electromagnetic sedimentation tank 4, and the two groups of flow guiding plates 25 are symmetrically arranged on the left and right sides of the opening of the sludge pipe 21.

[0031] The flow guiding plates 25 can facilitate the guiding of the sludge sedimented by electromagnetic flocculation to a position closer to the opening of the sludge pipe 21, facilitating the discharge of the sludge through the sludge pipe 21.

[0032] A semi-cylindrical flow retarder plate 26 is arranged on the left side of the water passing hole 7, and the top of the flow retarder plate 26 is fixedly connected with the top of the mixing and flocculation reaction tank 3.

[0033] The sewage is blocked by the flow retarder plate 26, so that the sewage and the magnetic composite flocculant of diatomite can be more fully mixed and contacted, improving the flocculation effect.

[0034] The electromagnet 24 is in a "V" shape, and the opening of the "V" shape of the electromagnet 24 is arranged towards the side of the water passing hole 7.

[0035] Through the "V" shape design, the contact area between the electromagnet 24 and the sewage can be increased. The conveying direction of the sewage is opposite to the opening direction of the "V" shape of the electromagnet 24, so that the sewage impacts the electromagnet 24, which is convenient for flushing the sludge off the electromagnet 24.

[0036] Based on the above technical solution, the working principle of the present utility model is as follows: When in use, the sewage is introduced into the bottom of the mixing and flocculation reaction tank 3 through the water adding pipe 6, and impacts and rebounds through the side wall of the mixing and flocculation reaction tank 3, so that the sewage is diffused. Then, the magnetic composite flocculant containing diatomite is added in a diffusive manner through the chemical adding and stirring mechanism and stirred, so that the magnetic composite flocculant containing diatomite is quickly mixed with the sewage. The mixed sewage is introduced into the electromagnetic sedimentation tank 4 through the water passing hole 7. The electromagnetic circulation attracting structure 23 intermittently supplies electricity to the electromagnet 24, so that the electromagnet 24 intermittently has magnetic force, adsorbing the sundries in the sewage that are easily adsorbed and attaching them to the electromagnet 24. When the electromagnet 24 loses magnetic force, they fall due to their own gravity and are finally discharged through the sludge pipe 21. The treated sewage is conveyed to the transition tank 5 through the communication hole 8, and the treated water is discharged through the drain pipe 19. The water in the transition tank 5 is completely discharged through the clear water pipe 22, and the sewage in the mixing and flocculation reaction tank 3 can be discharged through the sewage discharge pipe 20. When maintenance is required, maintenance personnel can enter the treatment tank 1 through the maintenance port 18 for maintenance.

[0037] The above are all the preferred embodiments of the present utility model, and the protection scope of the present utility model is not limited thereby. Therefore, all equivalent changes made according to the structure, shape, and principle of the present utility model should be covered within the protection scope of the present utility model.

Claims

1. A diatomite magnetic core flocculation wastewater treatment device, comprising a treatment tank, characterized in that: The inner cavity of the treatment tank is provided with two groups of partition plates. The inner cavity of the treatment tank is divided into a mixing and flocculation reaction tank, an electromagnetic sedimentation tank, and a transition tank that are distributed from left to right by the two groups of partition plates. A water inlet pipe penetrating the top of the treatment tank is arranged at the top of the mixing and flocculation reaction tank. A chemical dosing and stirring mechanism is arranged at the top of the mixing and flocculation reaction tank. Water passing holes and communication holes are respectively formed in the two groups of partition plates. The mixing and flocculation reaction tank and the electromagnetic sedimentation tank are communicated through the water passing holes, and the electromagnetic sedimentation tank and the transition tank are communicated through the communication holes. Maintenance openings penetrating the top of the treatment tank are arranged at the tops of the mixing and flocculation reaction tank, the electromagnetic sedimentation tank, and the transition tank. A drain pipe is communicated with the right side of the treatment tank. The bottoms of the mixing and flocculation reaction tank, the electromagnetic sedimentation tank, and the transition tank are sequentially communicated with a sewage discharge pipe, a sludge pipe, and a clear water pipe. An electromagnetic circulation suction structure and an electromagnet are installed at the top of the inner cavity of the electromagnetic sedimentation tank through a bracket. The electromagnet is connected to the electromagnetic circulation suction structure through a wire.

2. The diatomite magnetic core flocculation wastewater treatment device according to claim 1, wherein: The bottom of the water inlet pipe extends into the bottom of the mixing and flocculation reaction tank, and the water inlet pipe is arranged in an inclined shape. At the same time, the included angle between the bottom of the water inlet pipe and the left side wall of the mixing and flocculation reaction tank is between 80 and 90 degrees.

3. The diatomite magnetic core flocculation wastewater treatment device according to claim 1, characterized in that: The chemical dosing and stirring mechanism includes a motor frame fixedly installed at the top of the treatment tank. A driving motor is installed on the motor frame. A driving gear is fixedly installed at the bottom power output end of the driving motor. A driven gear is meshed and connected to the left side of the driving gear. A stirring shaft is fixedly inserted inside the driven gear, and the bottom of the stirring shaft extends into the bottom of the mixing and flocculation reaction tank. The inside of the stirring shaft is hollow, and a sealing cover is arranged at the top of the stirring shaft. A support frame is fixedly installed on the left side of the top of the motor frame. A chemical dosing pipe is fixedly installed on the left side of the support frame, and the chemical dosing pipe penetrates through the sealing cover and extends into the inner cavity of the stirring shaft. Stirring side pipes are symmetrically arranged on the left and right sides of one end of the stirring shaft extending into the mixing and flocculation reaction tank, and the stirring side pipes are communicated with the inner cavity of the stirring shaft.

4. The diatomite magnetic core flocculation wastewater treatment device according to claim 3, characterized in that: Sealing bearings are arranged at the connection between the stirring shaft and the treatment tank and at the connection between the sealing cover and the chemical dosing pipe.

5. A diatomite magnetic core flocculation wastewater treatment device according to claim 4, characterized in that: The stirring side pipes are arranged in an inclined shape, and the opening at one end of the stirring side pipe away from the stirring shaft faces downward.

6. The diatomite magnetic core flocculation wastewater treatment device according to claim 1, characterized in that: Flow guide plates are symmetrically arranged on the left and right sides of the bottom of the inner cavity of the electromagnetic sedimentation tank, and the two groups of flow guide plates are symmetrically arranged on the left and right sides of the opening of the sludge pipe.

7. A diatomite magnetic core flocculation wastewater treatment device according to claim 1, characterized in that: A semicircular barrel-shaped flow retarder plate is arranged on the left side of the water passing hole, and the top of the flow retarder plate is fixedly connected to the top of the mixing and flocculation reaction tank.

8. A diatomite magnetic core flocculation wastewater treatment device according to claim 1, characterized in that: The electromagnet is in a "V" shape, and the opening of the "V" shape of the electromagnet faces the side of the water passing hole.

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