Novel magnetizing sedimentation tank

Abstract

The utility model discloses a novel magnetizing sedimentation tank, which relates to the technical field of magnetic coagulation clarification and comprises a sedimentation tank body, a water outlet pipe is arranged on one side of the sedimentation tank body, the bottom of the sedimentation tank body is fixedly connected with an input end of a sludge pump, and the other side of the sedimentation tank body is connected with a reaction tank. The output end of the sludge pump is communicated with the reaction tank, a high-speed shearing machine is arranged on one side of the sludge pump, the output end of the high-speed shearing machine is connected with the magnetic separator, a purified water collecting mechanism is arranged on the sedimentation tank body, a retaining wall is mounted in the sedimentation tank body, a sedimentation cavity is formed in the bottom of the sedimentation tank body, and the magnetic separator is arranged in the sedimentation cavity. According to the utility model, magnetic powder is added into the sewage in the reaction tank, so that flocs can be quickly settled, suspended matters and other substances can be effectively removed from the sewage, the land required by a flocculation and sedimentation process can be conveniently reduced, the dosage can be saved, and the magnetic powder flocculation and sedimentation device has a better application prospect.

Description

Technical Field

[0001] This utility model relates to the field of magnetic coagulation and clarification technology, specifically a novel magnetic sedimentation tank. Background Technology

[0002] Magnetic coagulation is a technology designed for municipal wastewater treatment plants, upgrading and renovation projects, and black and odorous river water treatment. It is suitable for treating large volumes of wastewater and features small footprint and fast settling speed. The magnetic coagulation clarification process adds magnetic powder to the sludge recycling sedimentation technology. The fine magnetic powder particles act as crystal nuclei for precipitation, making it easier for colloidal particles in the water to collide and destabilize with the magnetic powder particles to form flocs, which greatly improves the removal efficiency of suspended solids. However, the existing magnetic coagulation clarification process is not convenient for recycling sludge containing magnetic powder, which reduces the magnetic powder recovery efficiency.

[0003] Based on this, a new type of magnetic sedimentation tank is now provided, which can eliminate the drawbacks of existing devices. Utility Model Content

[0004] The purpose of this invention is to provide a novel magnetic sedimentation tank to solve the problem in the prior art that it is inconvenient to recycle sludge containing magnetic powder.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A novel magnetic sedimentation tank includes a sedimentation tank body. One side of the sedimentation tank body has an outlet pipe. The bottom of the sedimentation tank body is fixedly connected to the input end of a sludge pump via an output pipe. The other side of the sedimentation tank body is connected to a reaction tank via an input pipe. The output end of the sludge pump is connected to the reaction tank via a return pipe. A high-speed shearing machine is installed on one side of the sludge pump. The sludge pump and the high-speed shearing machine are connected via a residual sludge pipe. The output end of the high-speed shearing machine is connected to a magnetic separator. An mounting plate is fixedly installed on the top of the sedimentation tank body. A purified water collection mechanism for discharging purified water is provided on the sedimentation tank body. A baffle wall is installed inside the sedimentation tank body. The bottom of the sedimentation tank body is a sedimentation chamber, and a sludge scraping mechanism is installed above the sedimentation chamber.

[0007] Preferably, the water collection mechanism includes several support frames fixedly installed on the top of the sedimentation tank body, and each support frame is provided with a water collection tank.

[0008] Preferably, the mud scraping mechanism comprises a motor fixedly installed on the upper surface of the mounting plate, an output end of the motor penetrates through the rear of the mounting plate and is fixedly connected with the rotating shaft, the other end of the rotating shaft penetrates through the rear of the baffle and extends into the inside of the sedimentation cavity, a plurality of first mounting rods are fixedly arranged on the rotating shaft, the first mounting rods are fixedly connected with the second mounting rods through vertical rods, and a plurality of cleaning plates for scraping sludge are fixedly arranged at the bottom of the second mounting rods.

[0009] Preferably, the surface of the baffle is uniformly provided with a plurality of holes.

[0010] Preferably, a plurality of pool bodies in communication with each other are arranged in the inside of the reaction pool, and a mechanical vertical agitator is arranged in each pool body.

[0011] Preferably, the plurality of water collecting grooves are in communication with the water outlet pipe.

[0012] Preferably, a plurality of sawteeth are arranged at the top of the supporting frame.

[0013] Preferably, the cross section of the sedimentation cavity is in a conical shape, and the cleaning plates are in contact with the bottom wall of the sedimentation cavity.

[0014] Compared with the prior art, the utility model has the beneficial effects as follows:

[0015] The novel magnetic precipitation tank adds magnetic powder into sewage in the reaction pool in the coagulation and flocculation process, the proportion of the flocculation mixed with the magnetic powder increases, the flocculation can quickly settle, the separation effect is strengthened, the purposes of efficient decontamination and rapid settlement are achieved, the sludge pump, the high-speed shearing machine and the magnetic separator are arranged, the suspended solids, total phosphorus, heavy metals and insoluble COD, BOD and other pollutants can be effectively removed from the sewage, the flocculation and precipitation process required land and the amount of added chemicals can be reduced, and the utility model has a good application prospect. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole structure schematic view of the utility model.

[0017] Figure 2 It is a structure schematic view of the inside of the sedimentation tank body of the utility model.

[0018] Figure 3 It is a structure schematic view of the utility model. Figure 2 It is an enlarged view of A in the utility model.

[0019] Figure 4 It is a structure schematic view of the utility model.

[0020] Figure 5 It is an enlarged view of B in the utility model. Figure 4

[0021] ​Marked notes: sedimentation tank body 100, outlet pipe 101, sludge pump 102, high-speed shearing machine 103, magnetic separator 104, reaction tank 105, retaining wall 106, sedimentation cavity 107, mounting plate 108, clean water collecting mechanism 200, water collecting tank 201, support frame 202, mud scraping mechanism 300, motor 301, rotating shaft 302, first mounting rod 303, second mounting rod 304, cleaning plate 305. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the utility model is further described in detail below in combination with the drawings and examples.

[0023] Example 1

[0024] In this embodiment, as Figures 1-5As shown, a new type of magnetic precipitation tank, including the precipitation tank body 100, the precipitation tank body 100 plays a key role in the sewage treatment process, separation and concentration of sludge, purification of water quality, help to improve the efficiency of the whole sewage treatment process and water quality, the precipitation tank body 100 side is provided with water outlet pipe 101, water outlet pipe 101 can be after the sedimentation treatment of the net level stable export, for the subsequent water use or discharge and other links to do a good job, the precipitation tank body 100 bottom through the output pipeline and sludge pump 102 input end fixed connection, so that the sludge deposited in the pool bottom can be smoothly transported out, the other side of the precipitation tank body 100 through the input pipeline and reaction tank 105 connected, the output end of sludge pump 102 through the backflow pipeline and reaction tank 105 communication, one side of the sludge pump 102 is provided with high speed shearing machine 103, the sludge pump 102 and high speed shearing machine 103 between the remaining sludge pipeline connection, the output end of high speed shearing machine 103 and magnetic separation machine 104 connected, after high speed shearing machine 103 processing of sludge into magnetic separation machine 104, so as to realize the recycling of magnetic powder and other materials, not only improve the resource utilization, but also reduce the processing cost, the precipitation tank body 100 top fixedly provided with mounting plate 108, the precipitation tank body 100 is to use the gravity sedimentation effect of the density of water from the water removal of suspended particles in the process of sewage treatment, after the reaction tank 105 treatment of sewage into the precipitation tank body 100, the suspended solids in the sewage under the action of gravity to the bottom of the pool, the clarified water from the precipitation tank body 100 upper part, the sludge at the bottom of the precipitation tank body 100 part as backflow sludge back to the reaction tank 105, in order to maintain the microbial concentration in the process, the remaining sludge is transported to the subsequent processing unit, such as high speed shearing machine 103, magnetic separation machine 104 and other equipment for further processing, at the same time, the magnetic powder can also be recycled, the precipitation tank body 100 is provided with clean water collection mechanism 200 for leading out the clean water, the precipitation tank body 100 is internally provided with retaining wall 106, the bottom of the precipitation tank body 100 is provided with a sludge deposition cavity 107, a sludge scraping mechanism 300 is arranged above the sludge deposition cavity 107 to prevent the sludge from floating up during the operation of the sludge scraping mechanism 300 and affecting the water purification effect.

[0025] As shown in the figure, Figures 1-3 The clean water collection mechanism 200 includes a plurality of support frames 202 fixedly arranged on the top of the precipitation tank body 100, each support frame 202 is provided with a water collecting tank 201, the support frame 202 serves as a support, and the plurality of water collecting tanks 201 are in communication with the water outlet pipe 101, so that the collected clean water can flow out smoothly through the water outlet pipe 101, and the top of the support frame 202 is provided with a plurality of sawteeth to facilitate the discharge of clean water and to help the uniform distribution of water flow and the interception of impurities to some extent.

[0026] As shown in the figure, Figures 2-5As shown, the mud scraping mechanism 300 includes a motor 301 fixedly installed on the upper surface of the mounting plate 108, the motor 301 serves to provide power, the output end of the motor 301 penetrates through the mounting plate 108 and is fixedly connected with a rotating shaft 302, the other end of the rotating shaft 302 penetrates through the retaining wall 106 and extends to the inside of the sedimentation cavity 107, a plurality of first mounting rods 303 are fixedly arranged on the rotating shaft 302, the first mounting rods 303 are fixedly connected with second mounting rods 304 through vertical rods, a plurality of cleaning plates 305 for scraping sludge are fixedly arranged at the bottom of the second mounting rods 304, the cleaning plates 305 are in contact with the bottom wall of the sedimentation cavity 107, under the driving of the motor 301, the rotating shaft 302 drives the cleaning plates 305 to rotate, which can effectively scrape and collect the sludge deposited at the bottom of the sedimentation cavity 107, facilitating subsequent sludge treatment.

[0027] As shown in the embodiment 1, Figure 2 As shown, the retaining wall 106 is uniformly provided with a plurality of holes, the holes can ensure the flow of water while buffering and rectifying the water flow to some extent, so that the sedimentation process is more stable and efficient, and the flocculation is facilitated to deposit inside the sedimentation cavity 107.

[0028] Embodiment 2

[0029] Different from the embodiment 1, as shown in the embodiment 2, Figure 1 As shown, a plurality of pool bodies are arranged in the reaction tank 105 and are in communication with each other, magnetic powder is put into the reaction tank 105, the specific gravity of the magnetic powder is as high as 5.0×10 3 kg / m 3 The fine magnetic powder particles serve as precipitation nucleation, so that the colloidal particles in the water are more likely to collide with the magnetic powder particles to form flocs, greatly improving the removal efficiency of suspended solids, a mechanical vertical agitator is arranged in each pool body to mix the reactants and accelerate the chemical reaction, thereby improving the effect of wastewater treatment, the number of pool bodies can be adjusted according to different requirements, for example, coagulants, magnetic powder and PAM are added in different pool bodies, so as to form stable coagulation flocs with magnetic powder as the coagulation nucleus.

[0030] As shown in the embodiment 1, Figures 1-3 As shown, a plurality of water collecting tanks 201 are in communication with the water outlet pipe 101, facilitating the collection of clean water.

[0031] As shown in the embodiment 1, Figures 1-5 As shown, the cross section of the sedimentation cavity 107 is conical, which is conducive to the natural sedimentation and centralized collection of sludge, and the cleaning plates 305 are in contact with the bottom wall of the sedimentation cavity 107, so that the sludge with magnetic powder can be discharged through the output pipe.

[0032] When in use, the mud scraping mechanism 300 is arranged at the bottom center of the sedimentation tank body 100, the flocculation mixed with the magnetic powder flows into the sedimentation tank body 100 from the water outlet pipe 101, the water in the sludge enters the upper part of the sedimentation tank body 100 from the bottom after passing through the retaining wall 106, the effect of separating the sludge and water is realized, the treated clean water enters the water collecting tank 201 for discharge, the sludge is gathered at the bottom of the sedimentation tank body 100, a part of the sludge is backflowed into the reaction tank 105 by the sludge pump 102 at the bottom to ensure the sludge concentration of the reaction tank 105, the sludge to be discharged is transported into the magnetic powder recycling equipment such as the high-speed shearing machine 103 and the magnetic separator 104 by the sludge pump 102 before being discharged, the high-speed shearing machine 103 realizes the effect of separating the magnetic powder from the coagulation flocculation, the magnetic separator 104 recycles the magnetic powder, so that the recycled magnetic powder can be recycled in the reaction tank 105 for use again, the use effect is increased, and the secondary pollution to the environment is avoided.

[0033] The above is only a specific embodiment of the present disclosure, but the protection scope of the present disclosure is not limited thereto, any person skilled in the art cannot easily think of changes or replacements within the technical range disclosed by the present disclosure, which should be covered within the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be subject to the protection scope of the claims.

Claims

1. A new type of magnetic precipitation tank, comprising a precipitation tank body (100), one side of the precipitation tank body (100) is provided with a water outlet pipe (101), the bottom of the precipitation tank body (100) is fixedly connected with the input end of a sludge pump (102) through an output pipeline, the other side of the precipitation tank body (100) is connected with a reaction tank (105) through an input pipeline, the output end of the sludge pump (102) is communicated with the reaction tank (105) through a reflux pipeline, one side of the sludge pump (102) is provided with a high-speed shearing machine (103), the sludge pump (102) and the high-speed shearing machine (103) are connected through a residual sludge pipeline, the output end of the high-speed shearing machine (103) is connected with a magnetic separation machine (104), and a mounting plate (108) is fixedly arranged at the top of the precipitation tank body (100), characterized in that, The sedimentation tank body (100) is provided with a clean water collecting mechanism (200) for guiding out clean water, a baffle wall (106) is mounted in the inside of the sedimentation tank body (100), the bottom of the sedimentation tank body (100) is provided as a sedimentation cavity (107), and a mud scraping mechanism (300) is arranged above the sedimentation cavity (107).

2. A new type of magnetic sedimentation tank according to claim 1, characterized in that, The clean water collecting mechanism (200) comprises a plurality of support frames (202) fixedly arranged at the top of the sedimentation tank body (100), and a water collecting tank (201) is arranged on each support frame (202).

3. A new type of magnetic sedimentation tank according to claim 1, characterized in that, The mud scraping mechanism (300) comprises a motor (301) fixedly mounted on the upper surface of the mounting plate (108), the output end of the motor (301) penetrates through the mounting plate (108) and is fixedly connected with a rotating shaft (302), the other end of the rotating shaft (302) penetrates through the baffle wall (106) and extends into the inside of the sedimentation cavity (107), a plurality of first mounting rods (303) are fixedly arranged on the rotating shaft (302), the first mounting rods (303) are fixedly connected with second mounting rods (304) through vertical rods, and a plurality of cleaning plates (305) for scraping off sludge are fixedly arranged at the bottom of the second mounting rods (304).

4. A new type of magnetic sedimentation tank according to claim 2, characterized in that, A plurality of water collecting tanks (201) are in communication with the water outlet pipe (101).

5. A new type of magnetic sedimentation tank according to claim 1, characterized in that, A plurality of pool bodies in communication with each other are arranged in the inside of the reaction tank (105), and a mechanical vertical agitator is arranged in each pool body.

6. A new type of magnetic sedimentation tank according to claim 1, characterized in that, The baffle wall (106) is uniformly provided with a plurality of holes.

7. A new type of magnetic sedimentation tank according to claim 2, characterized in that, A plurality of sawteeth are arranged at the top of the support frame (202).

8. A new type of magnetic sedimentation tank according to claim 3, characterized in that, The cross section of the sedimentation cavity (107) is provided as a taper, and the cleaning plates (305) are in contact with the bottom wall of the sedimentation cavity (107).

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