A sewage treatment device and treatment method

Abstract

The present invention belongs to the technical field of sewage treatment, and specifically relates to a sewage treatment device and a treatment method. The device includes a sedimentation tank, a transfer pipe is arranged at the mouth of the sedimentation tank, and a separation tank is arranged at the pipe orifice of the transfer pipe far away from the sedimentation tank. The separation tank is used for solid-liquid separation of sewage mixed with a flocculant. Suspensions are arranged on both sides of the sedimentation tank, and a driving motor is installed on the surface of the suspensions. For the sewage treatment device and the treatment method of the present invention, when the stirring pipe rotates inside the sedimentation tank, the liquid inlet hole and the discharge hole are opened, and the water pressure of the sewage presses the sewage into the stirring pipe through the liquid inlet hole, and the sewage is mixed with the flocculant inside the stirring pipe. At the same time, there is a centrifugal force in the sewage inside the stirring pipe, and the centrifugal force throws the sewage out of the discharge hole into the sedimentation tank. The sewage mixed with the flocculant thrown out from multiple discharge holes is at different water level heights of the sewage inside the sedimentation tank, and the flocculant quickly mixes with the sewage inside the sedimentation tank, improving the sewage treatment speed.

Description

Technical Field

[0001] The invention belongs to the technical field of sewage treatment, in particular to a sewage treatment device and a treatment method. Background Art

[0002] Sewage treatment is the process of purifying sewage to meet the water quality requirements for discharge into a water body or reuse, including urban domestic sewage, construction wastewater, medical sewage, etc. The current sewage treatment is divided into multi-stage treatment, and different sewage treatment methods are adopted according to the type of sewage, such as filtration, aeration, flocculation sedimentation, etc.

[0003] When the existing sewage treatment equipment performs flocculation and sedimentation, it generally removes large particles of impurities in the sewage by filtering first, and then adds flocculants to the sewage. After being fully stirred by the stirring structure, the flocculants bring some particles or particles with negative / positive charges in the water that are difficult to separate closer to each other through the groups with positive / negative charges, thereby reducing their potential and making them unstable. The flocculants use their aggregation properties to aggregate these particles into large particles, which can then be separated.

[0004] The Chinese patent with publication number CN114917802A is based on a quantitative addition device for flocculants used in sewage treatment sedimentation. During sewage treatment, sewage is filled into a main body, and then flocculants are added into the main body. The flocculants gradually diffuse in the sewage and are fully mixed with the sewage through the action of the stirring structure to achieve sewage treatment. In this process, flocculants can be added quantitatively. However, after the flocculants are added to the main body, they gradually disperse and mix with the sewage. It takes a long time for the flocculants to mix with the sewage, and the sewage treatment speed needs to be further improved.

[0005] To this end, the present invention provides a sewage treatment device and a treatment method. Summary of the invention

[0006] In order to make up for the deficiencies of the prior art, at least one technical problem raised in the background technology is solved.

[0007] The technical solution adopted by the present invention to solve its technical problems is as follows: A sewage treatment device and treatment method of the present invention includes a sedimentation tank. A transfer pipe is provided at the mouth of the sedimentation tank. A separation tank is provided at the pipe orifice of the transfer pipe away from the sedimentation tank. The separation tank is used for solid-liquid separation of sewage mixed with a flocculant. Suspensions are provided on both sides of the sedimentation tank. A driving motor is installed at the bottom of the suspension. A turntable is installed at the bottom end of the output end of the driving motor. The turntable is in a horizontal state, and a pair of mounting holes are provided on the top surface of the turntable. Stirring pipes are installed in the mounting holes. The bottom end of the stirring pipe extends into the interior of the sedimentation tank. A plurality of discharge holes are provided on the circumferential surface of the stirring pipe. The discharge holes are arranged in an array along the vertical direction on the circumferential surface of the stirring pipe. A plurality of liquid inlet holes symmetrical to the discharge holes are provided on the circumferential surface of the stirring pipe. A first plug is inserted into the discharge hole. A linkage rod is installed on one side of the first plug inside the stirring pipe. A second plug is installed at the end of the linkage rod away from the first plug. The second plug is inserted into the liquid inlet hole. A connecting spring is vertically installed on one side of the second plug outside the stirring pipe. A fixing plate is provided on the side of the connecting spring away from the second plug. The fixing plate is fixedly connected to the surface of the stirring pipe. When the embodiment of the present invention is used, the filtered sewage is injected into the sedimentation tank 1 through the transfer pipe 11. Then, powdery flocculant is filled into the stirring pipe 16. Then, the driving motor 14 is started. The driving motor 14 drives the turntable 15 to rotate. The turntable 15 drives the stirring pipe 16 to rotate inside the sedimentation tank 1. The first plug 18 inserted into the discharge hole 17 is affected by the centrifugal force and drives the second plug 191 to move synchronously through the linkage rod 19. The second plug 191 moves into the stirring pipe 16 and stretches the connecting spring 192 connected to the fixing plate 193. The first plug 18 moves out of the stirring pipe 16, opening the liquid inlet hole and the discharge hole 17. Sewage enters the stirring pipe 16 through the liquid inlet hole and mixes with the flocculant in the stirring pipe 16. At the same time, there is centrifugal force in the sewage in the stirring pipe 16, and the centrifugal force throws the sewage out of the discharge hole 17 into the sedimentation tank 1. The sewage mixed with the flocculant thrown out from a plurality of discharge holes 17 is at different water level heights in the sedimentation tank 1, that is, the diffusion points of the flocculant in the sewage are multiple, and the flocculant quickly mixes with the sewage in the sedimentation tank 1, improving the sewage treatment speed.

[0008] Preferably, a plurality of adjustment holes 2 are formed in the circumferential surface of the stirring tube 16. The adjustment holes 2 are vertically distributed on the circumferential surface of the stirring tube 16, and each adjustment hole 2 is located on the extension line of the midline between two discharge holes 17. A rotating block 21 is inserted into the adjustment hole 2. On one side of the rotating block 21 located inside the stirring tube 16, a circular partition plate 22 is installed. The diameter of the partition plate 22 is the same as the inner diameter of the stirring tube 16. There is friction between the rotating block 21 and the adjustment hole 2. During use, when filling the flocculant into the stirring tube, first twist the rotating block, and the rotating block drives the partition plate to rotate to a vertical state. After the flocculant entering the stirring tube fills between the partition plates, twist the rotating block to make the partition plate return to a horizontal state. At this time, the partition plate plays a role in layer-by-layer isolation of the flocculant. Then, the flocculant between the partition plates is thrown out through the discharge holes into the sedimentation tank, and the flocculant is thrown out through each discharge hole to the corresponding sewage water level height, avoiding the flocculant being concentrated and thrown out through a single discharge hole, which affects the mixing speed of the flocculant and the sewage.

[0009] Preferably, the number of the partition plates is four, and they are arranged parallel to each other inside the stirring tube. A through hole is formed at a non-central position on the surface of the lowermost partition plate, four through holes are formed at non-central positions on the surface of the uppermost partition plate, and two and three through holes are successively formed from bottom to top on the middle two partition plates. The through holes on each partition plate are aligned with the through holes on the upper partition plate. Four feed pipes are inserted into the four through holes on the surface of the uppermost partition plate. The bottom ends of the four feed pipes pass through the through holes on the partition plates and are successively fixed in the through holes on the four partition plates. During use, when a large amount of flocculant is needed, fill the flocculant at the pipe orifice of the feed pipe. As the flocculant on both sides of the partition plate flows away, the flocculant in the feed pipe gradually moves downward and is injected into the stirring tube, and is located at different sewage water level heights, realizing the replenishment of the flocculant without stopping the rotation of the stirring tube.

[0010] Preferably, a conduit is inserted into the upper pipe orifice of the feed pipe. One end of the conduit away from the feed pipe is provided with a metering pipe. The metering pipe is horizontally installed on the top surface of the turntable, and the pipe orifice of the metering pipe points to the center of the turntable. A push plate is slidably connected inside the metering pipe. A handle is vertically installed on the vertical surface of the side of the push plate close to the center of the turntable. During use, scales are provided on the metering pipe, and the metering pipe is filled with a specified volume of flocculant. As the turntable rotates, the push plate squeezes the flocculant in the metering pipe by centrifugal force, and the flocculant enters the feed pipe through the conduit, realizing that the feed pipe injects the internal flocculant into the stirring tube. The replenished flocculant is quantified, avoiding excessive or insufficient use of the flocculant, and the push plate pushes the flocculant to move and be injected into the stirring tube, reducing the use of the driving structure.

[0011] Preferably, a plurality of annular grooves are formed in the circumferential surface of the linkage rod 19, and the annular grooves are uniformly distributed along the axis of the linkage rod 19. A collar 3 is sleeved in the annular groove. Four stirring blocks 31 are uniformly arranged on the circumferential surface of the collar 3. A magnetic block 32 is arranged on one side of the stirring block 31 away from the collar 3. A pair of magnets are installed on the inner bottom wall of the sedimentation tank 1. The magnets and the magnetic blocks 32 have the same magnetic property. When the stirring pipe 16 rotates, the magnetic block 32 intermittently reaches the magnetic repulsion point with the magnets; during use, as the stirring pipe rotates, the magnetic block intermittently generates magnetic repulsion with the magnets on the inner bottom wall of the sedimentation tank. The magnetic block drives the stirring block to move under the action of the magnetic force. The stirring block drives the collar to rotate in the annular groove. The stirring block stirs the flocculant inside the stirring pipe. The agglomerated flocculant after stirring is squeezed by the stirring block to the inner wall of the stirring pipe and broken up.

[0012] Preferably, a magnetic plate is slidably connected inside the stirring pipe. The magnetic plate and the magnets have the same magnetic property. When the stirring pipe rotates, the magnetic plate intermittently reaches the magnetic repulsion point with the magnets. A rubber block is arranged on the top surface of the magnetic plate; during use, when the stirring pipe rotates, the magnetic plate rotates synchronously. The magnetic plate is intermittently affected by the magnetic force of the magnets on the inner bottom wall of the sedimentation tank. The rubber on the top surface of the magnetic plate increases the overall mass. After the magnetic plate moves upward under the action of the magnetic force, when the magnetic plate is not affected by the magnetic force, it moves downward due to its own gravity. As a whole, it rotates with the stirring pipe. The magnetic plate moves up and down inside the stirring pipe, increasing the pumping and discharging intensity of the stirring pipe for the sewage, accelerating the liquid exchange inside and outside the stirring pipe, and promoting the sewage mixed with the flocculant to fall off the stirring pipe.

[0013] Preferably, a limiting rod is arranged on the top surface of the magnetic plate. The limiting rod is L-shaped, and its top end is located outside the stirring pipe; during use, the limiting rod above the magnetic plate limits the moving distance of the magnetic plate, assisting in the operation of taking out the magnetic plate.

[0014] Preferably, a liquid leakage hole is formed in the bottom surface of the stirring pipe. A plastic floating block is inserted into the liquid leakage hole. A connecting frame is arranged on the bottom surface of the plastic floating block. Guide holes are formed on both sides of the liquid leakage hole at the bottom of the stirring pipe. The top end of the connecting frame passes through the guide holes and is located inside the stirring pipe. A baffle is installed on the top of the connecting frame. When the plastic floating block blocks the liquid leakage hole, the baffle does not contact the inner wall of the stirring pipe; during use, when the sewage level in the sedimentation tank exceeds the bottom of the stirring pipe, the plastic floating block moves upward under the action of buoyancy to block the liquid leakage hole. When the sewage treatment is completed and the sewage inside the sedimentation tank is pumped away through the transfer pipe, the plastic floating block moves downward under its own gravity, and the connected connecting frame moves downward synchronously. The baffle on the top of the connecting frame is restricted and blocked by the guide holes. The plastic floating block opens the liquid leakage hole and hangs under the stirring pipe through the connecting frame. Then, the inside of the stirring pipe is rinsed with a water gun, and the liquid water automatically escapes through the liquid leakage hole.

[0015] Preferably, a chute is provided on the top surface of the plastic floating block. A sliding rod is installed inside the chute. The surface of the sliding rod is slidably connected with three oscillating blocks. An inclined surface is provided at the boundary of the top surface of the oscillating block. During use, when the stirring tube is rinsed with a water gun, the liquid water will impact the chute. After the inclined surface at the boundary of the top surface of the oscillating block in the chute is impacted, it will move on the sliding rod, and collisions and oscillations will occur between the oscillating blocks and between the oscillating blocks and the inner wall of the chute, causing the plastic floating block to vibrate. The plastic floating block transmits the vibration to the stirring tube through the connecting frame, and the stirring tube vibrates, promoting the flocculent precipitate attached to the surface to fall off.

[0016] A treatment method for a sewage treatment device includes the following steps:

[0017] S1. Inject the filtered sewage into the sedimentation tank through a transfer pipe, and then fill the stirring tube with powdered flocculant.

[0018] S2. Then start the drive motor. The drive motor drives the turntable to rotate, and the turntable drives the stirring tube to rotate inside the sedimentation tank.

[0019] S3. The first plug block inserted into the discharge hole on the surface of the stirring tube is affected by centrifugal force and drives the second plug block to move synchronously through a linkage rod.

[0020] S4. The second plug block compresses the connecting spring connected to the fixed plate. The second plug block moves into the stirring tube, and the first plug block moves out of the stirring tube, respectively opening the liquid inlet hole and the discharge hole.

[0021] S5. The water pressure of the sewage presses the sewage into the stirring tube through the liquid inlet hole and mixes it with the flocculant in the stirring tube. At the same time, there is centrifugal force in the sewage in the stirring tube, and the centrifugal force throws the sewage out of the discharge hole into the sedimentation tank.

[0022] The beneficial effects of the present invention are as follows:

[0023] 1. For the sewage treatment device and treatment method of the present invention, by providing a stirring tube in the sedimentation tank, during use, the stirring tube rotates inside the sedimentation tank. The first plug block inserted into the discharge hole is affected by centrifugal force and drives the second plug block to move synchronously through a linkage rod, respectively opening the liquid inlet hole and the discharge hole. The water pressure of the sewage presses the sewage into the stirring tube through the liquid inlet hole and mixes it with the flocculant in the stirring tube. At the same time, there is centrifugal force in the sewage in the stirring tube, and the centrifugal force throws the sewage out of the discharge hole into the sedimentation tank. The sewage mixed with the flocculant discharged from multiple discharge holes is at different water level heights in the sedimentation tank, that is, the diffusion points of the flocculant in the sewage are multiple, and the flocculant quickly mixes with the sewage in the sedimentation tank, improving the sewage treatment speed.

[0024] 2. A sewage treatment device and treatment method according to the present invention. By arranging a partition plate in the stirring tube, when in use, when filling the flocculant into the stirring tube, first twist the rotating block, and the rotating block drives the partition plate to rotate. After the flocculant entering the stirring tube is filled between the partition plates, twist the rotating block to make the partition plate return to the horizontal state. Then, the flocculant between the partition plates is thrown out into the sedimentation tank through the discharge holes, and the flocculant is thrown out from each discharge hole to the corresponding sewage water level height, avoiding the flocculant being concentrated and thrown out through a single discharge hole, which affects the mixing speed of the flocculant and the sewage. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The present invention will be further described below with reference to the accompanying drawings.

[0026] Figure 1 is a perspective view of the present invention;

[0027] Figure 2 is a schematic diagram of the position of the discharge holes on the stirring tube of the present invention;

[0028] Figure 3 is a schematic diagram of the structure on the second blocking block of the present invention;

[0029] Figure 4 is a schematic diagram of the internal structure of the stirring tube of the present invention;

[0030] Figure 5 is of the present invention Figure 4 partial enlarged view of part A;

[0031] Figure 6 is a schematic diagram of the partition plate and the feed pipe of the present invention;

[0032] Figure 7 is a schematic diagram of the connection structure with the metering tube of the present invention;

[0033] Figure 8 is a schematic diagram of the structure on the linkage rod of the present invention;

[0034] Figure 9 is a schematic diagram of the position of the magnet in the sedimentation tank of the present invention;

[0035] Figure 10 is a schematic diagram of the position of the liquid leakage holes on the stirring tube of the present invention;

[0036] Figure 11 is a schematic diagram of the structure on the plastic floating block of the present invention;

[0037] Figure 12 is a schematic diagram of the structure in the chute of the present invention.

[0038] In the figure: 1. precipitation tank; 11. transfer pipe; 12. separation tank; 13. suspension; 14. drive motor; 15. turntable; 16. stirring pipe; 17. discharge hole; 18. first plugging block; 19. linkage rod; 191. second plugging block; 192. connecting spring; 193. fixing plate; 2. adjusting hole; 21. rotating block; 22. partition board; 23. feed pipe; 24. conduit; 25. metering pipe; 26. push plate; 27. handle; 3. collar; 31. stirring block; 32. magnetic block; 4. magnetic plate; 41. limiting rod; 42. liquid leakage hole; 43. guiding hole; 44. connecting frame; 45. baffle; 46. plastic floating block; 47. sliding groove; 48. sliding rod; 49. oscillating block. Detailed implementation mode

[0039] In order to make the technical means, creative features, achieved purposes and effects of the present invention easy to understand, the present invention will be further described below in conjunction with the specific implementation modes. Embodiment 1

[0040] Such as Figures 1 to 3As shown in the figure, a sewage treatment device and treatment method according to an embodiment of the present invention include a sedimentation tank 1. A transfer pipe 11 is provided at the mouth of the sedimentation tank 1. A separation tank 12 is provided at the pipe orifice of the transfer pipe 11 away from the sedimentation tank 1. The separation tank 12 is used for solid-liquid separation of sewage mixed with a flocculant. Suspension frames 13 are provided on both sides of the sedimentation tank 1. A drive motor 14 is installed on the surface of the suspension frames 13. The bottom end of the output end of the drive motor 14 is provided with a turntable 15. The turntable 15 is in a horizontal state, and a pair of mounting holes are provided on the top surface of the turntable 15. A stirring pipe 16 is installed in the mounting holes. The bottom end of the stirring pipe 16 extends into the interior of the sedimentation tank 1. A plurality of discharge holes 17 are provided on the circumferential surface of the stirring pipe 16. The discharge holes 17 are arranged in an array along the vertical direction on the circumferential surface of the stirring pipe 16. A plurality of liquid inlet holes symmetrical to the discharge holes 17 are provided on the circumferential surface of the stirring pipe 16. A first plug 18 is inserted into the discharge hole 17. A linkage rod 19 is installed on one side inside the stirring pipe 16 where the first plug 18 is located. A second plug 191 is installed at one end of the linkage rod 19 away from the first plug 18. The second plug 191 is inserted into the liquid inlet hole. A connecting spring 192 is vertically installed on one side outside the stirring pipe 16 where the second plug 191 is located. A fixing plate 193 is provided on the side of the connecting spring 192 away from the second plug 191. The fixing plate 193 is fixedly connected to the surface of the stirring pipe 16; when the existing sewage treatment equipment performs flocculation precipitation, generally, large-particle impurities in the sewage are first removed through filtration, and then a flocculant is added to the sewage. After sufficient stirring by a stirring structure, the flocculant approaches some particles or granules with negative / positive charges in the water through groups with positive / negative charges, reduces their electric potential, makes them in an unstable state, and uses their polymerization properties to concentrate these particles into large-particle substances, and then separation can be achieved; in actual use, during sewage treatment, the sewage is filled into the treatment tank, and then the flocculant is put into the tank. The flocculant gradually diffuses in the sewage and is fully mixed with the sewage through the action of the stirring structure to achieve the treatment of the sewage. The time required for the flocculant to be mixed with the sewage is relatively long, and the sewage treatment speed needs to be further enhanced;When the embodiment of the present invention is in use, the filtered sewage is injected into the sedimentation tank 1 through the transmission pipe 11. Then, powdered flocculant is filled into the stirring pipe 16. After that, the driving motor 14 is started. The driving motor 14 drives the turntable 15 to rotate, and the turntable 15 drives the stirring pipe 16 to rotate inside the sedimentation tank 1. The first plug block 18 inserted into the discharge hole 17 is affected by the centrifugal force and drives the second plug block 191 to move synchronously through the linkage rod 19. The second plug block 191 moves into the stirring pipe 16 and stretches the connecting spring 192 connected to the fixed plate 193. The first plug block 18 moves out of the stirring pipe 16, opening the liquid inlet hole and the discharge hole 17. The sewage enters the stirring pipe 16 through the liquid inlet hole and is mixed with the flocculant in the stirring pipe 16. At the same time, there is centrifugal force in the sewage in the stirring pipe 16, and the centrifugal force throws the sewage out of the discharge hole 17 into the sedimentation tank 1. The sewage mixed with the flocculant thrown out from multiple discharge holes 17 is at different water level heights in the sedimentation tank 1, that is, the diffusion points of the flocculant in the sewage are multiple. The flocculant quickly mixes with the sewage in the sedimentation tank 1, improving the sewage treatment speed.;

[0041] As Figure 4 shown in Figure 5 the figure, a plurality of adjustment holes 2 are formed in the circumferential surface of the stirring pipe 16. The adjustment holes 2 are vertically distributed on the circumferential surface of the stirring pipe 16, and each adjustment hole 2 is located on the extension line of the midline between two discharge holes 17. A rotating block 21 is inserted into the adjustment hole 2. A circular partition plate 22 is installed on one side of the rotating block 21 located inside the stirring pipe 16. The diameter of the partition plate 22 is the same as the inner diameter of the stirring pipe 16. There is friction between the rotating block 21 and the adjustment hole 2. When in use, when filling the flocculant into the stirring pipe 16, first twist the rotating block 21, and the rotating block 21 drives the partition plate 22 to rotate to a vertical state. After the flocculant entering the stirring pipe 16 is filled between the partition plates 22, twist the rotating block 21 to make the partition plate 22 return to a horizontal state. At this time, the partition plate 22 plays a role in layer-by-layer isolation of the flocculant. Then, the flocculant between the partition plates 22 is thrown out of the discharge hole 17 into the sedimentation tank 1. Each discharge hole 17 throws out the flocculant to the corresponding sewage water level height, avoiding the flocculant being concentrated and thrown out through a single discharge hole 17, which affects the mixing speed of the flocculant and the sewage.

[0042] As Figure 6As shown, a partition plate 22 is fixedly installed inside the stirring tube 16. The partition plate 22 is staggered with the discharge hole 17 in the vertical direction. The number of partition plates 22 is four and they are arranged in parallel inside the stirring tube 16. A through hole is provided at a non - central position on the surface of the lowermost partition plate 22. Four through holes are provided at non - central positions on the surface of the uppermost partition plate 22. The middle two partition plates 22 are successively provided with two and three through holes from bottom to top. The through holes on each partition plate 22 are aligned with the through holes of the upper partition plate 22. Four feed pipes 23 are inserted into the four through holes on the surface of the uppermost partition plate 22. The bottom ends of the four feed pipes 23 pass through the through holes on the partition plates 22 and are successively fixed in the through holes on the four partition plates 22. During use, when a large amount of flocculant is required, flocculant is filled into the pipe orifice of the feed pipe 23. As the flocculant on both sides of the partition plate 22 flows away, the flocculant in the feed pipe 23 gradually moves downward and is injected into the stirring tube 16, and is located at different sewage water level heights, so as to supplement the flocculant without stopping the rotation of the stirring tube 16, thereby improving the sewage treatment speed.

[0043] As Figure 7 shown, a conduit 24 is inserted into the upper pipe orifice of the feed pipe 23. One end of the conduit 24 away from the feed pipe 23 is provided with a metering pipe 25. The metering pipe 25 is horizontally installed on the top surface of the turntable 15, and the pipe orifice of the metering pipe 25 points to the center of the turntable 15. A push plate 26 is slidably connected inside the metering pipe 25. A handle 27 is vertically installed on the vertical surface of the side of the push plate 26 close to the center of the turntable 15. During use, scales are provided on the metering pipe 25, and the metering pipe 25 is filled with a specified volume of flocculant. As the turntable 15 rotates, the push plate 26 squeezes the flocculant in the metering pipe 25 under the action of centrifugal force, and the flocculant enters the feed pipe 23 through the conduit 24, so that the feed pipe 23 injects the internal flocculant into the stirring tube 16. The supplemented flocculant is metered, avoiding excessive or insufficient use of the flocculant. Moreover, the push plate 26 pushes the flocculant to move and be injected into the stirring tube 16, reducing the use of the driving structure, lowering the operation complexity, and at the same time preventing the flocculant from getting wet and adhering inside the feed pipe 23 and being unable to move.

[0044] As Figure 8 with Figure 9As shown in the figure, a plurality of annular grooves are formed on the annular peripheral surface of the linkage rod 19. The annular grooves are evenly distributed along the axis of the linkage rod 19. A collar 3 is sleeved in the annular groove. Four stirring blocks 31 are evenly arranged on the annular surface of the collar 3. A magnetic block 32 is arranged on one side of the stirring block 31 away from the collar 3. A pair of magnets are installed on the inner bottom wall of the sedimentation tank 1. The magnets and the magnetic block 32 have the same magnetic property. When the stirring pipe 16 rotates, the magnetic block 32 intermittently reaches the magnetic repulsion point with the magnets; during use, as the stirring pipe 16 rotates, the magnetic block 32 intermittently generates magnetic repulsion with the magnets on the inner bottom wall of the sedimentation tank 1. The magnetic block 32 is driven by the magnetic force to drive the stirring block 31 to move. The stirring block 31 drives the collar 3 to rotate in the annular groove. The stirring block 31 stirs the flocculant inside the stirring pipe 16. The agglomerated flocculant after stirring is squeezed by the stirring block 31 against the inner wall of the stirring pipe 16 and broken, preventing the flocculant from agglomerating when contacting the sewage and being unable to be thrown out through the discharge hole 17.

[0045] As Figure 10 shown, a magnetic plate 4 is slidably connected inside the stirring pipe 16. The magnetic plate 4 and the magnets have the same magnetic property. When the stirring pipe 16 rotates, the magnetic plate 4 intermittently reaches the magnetic repulsion point with the magnets. A rubber block is arranged on the top surface of the magnetic plate 4; during use, when the stirring pipe 16 rotates, the magnetic plate 4 rotates synchronously. The magnetic plate 4 is intermittently affected by the magnetic force of the magnets on the inner bottom wall of the sedimentation tank 1. The rubber on the top surface of the magnetic plate 4 increases the overall mass. After the magnetic plate 4 is moved upward by the magnetic force, when the magnetic plate 4 is not affected by the magnetic force, it moves downward based on its own gravity. As a whole, it rotates with the stirring pipe 16. The magnetic plate 4 moves up and down inside the stirring pipe 16, increasing the pumping and throwing strength of the stirring pipe 16 for the sewage, accelerating the liquid exchange inside and outside the stirring pipe 16, and promoting the sewage mixed with the flocculant to fall off the stirring pipe 16. In the embodiment of the present invention, magnetic materials are not used to cause magnetic interference to the magnets, the magnetic block 32, and the magnetic plate 4. Embodiment 2

[0046] Comparing with Embodiment 1, another implementation manner of the present invention is:

[0047] As Figure 10 shown, a limiting rod 41 is arranged on the top surface of the magnetic plate 4. The limiting rod 41 is arranged in an L shape, and the top end is located outside the stirring pipe 16; during use, the limiting rod 41 above the magnetic plate 4 limits the moving distance of the magnetic plate 4, assisting the operation of taking out the magnetic plate 4.

[0048] As Figures 10 to 11As shown, a liquid leakage hole 42 is provided on the bottom surface of the stirring tube 16. A plastic floating block 46 is inserted into the liquid leakage hole 42. A connecting frame 44 is provided on the bottom surface of the plastic floating block 46. Guide holes 43 are provided on both sides of the liquid leakage hole 42 at the bottom of the stirring tube 16. The top end of the connecting frame 44 passes through the guide holes 43 and is located inside the stirring tube 16. A baffle 45 is installed on the top of the connecting frame 44. When the plastic floating block 46 blocks the liquid leakage hole 42, the baffle 45 does not contact the inner wall of the stirring tube 16. During use, when the height of the sewage in the sedimentation tank 1 exceeds the bottom of the stirring tube 16, the plastic floating block 46 moves upward under the action of buoyancy to block the liquid leakage hole 42. When the sewage treatment is completed and the sewage inside the sedimentation tank 1 is pumped away through the transfer pipe 11, the plastic floating block 46 moves downward under its own gravity, and the connected connecting frame 44 moves downward synchronously. The baffle 45 at the top of the connecting frame 44 is restricted and blocked by the guide holes 43, the plastic floating block 46 opens the liquid leakage hole 42, and is hung below the stirring tube 16 through the connecting frame 44. Then, the inside of the stirring tube 16 is rinsed with a water gun, and the liquid water automatically escapes through the liquid leakage hole 42, facilitating the cleaning process.

[0049] As Figure 12 shown, a chute 47 is provided on the top surface of the plastic floating block 46. A slide bar 48 is installed inside the chute 47. The surface of the slide bar 48 is slidably connected with three shock blocks 49. An inclined surface is provided at the top boundary of the shock block 49. During use, when the inside of the stirring tube 16 is rinsed with a water gun, the liquid water will impact the chute 47. The inclined surface at the top boundary of the shock block 49 inside the chute 47 is impacted and then moves on the slide bar 48. Collisions and vibrations occur between the shock blocks 49 and between the shock blocks 49 and the inner wall of the chute 47, causing the plastic floating block 46 to vibrate. The plastic floating block 46 transmits the vibration to the stirring tube 16 through the connecting frame 44, and the stirring tube 16 vibrates, promoting the flocculent precipitate attached to the surface to fall off, facilitating the cleaning of the stirring tube 16.

[0050] A treatment method for a sewage treatment device includes the following steps:

[0051] S1. Inject the filtered sewage into the sedimentation tank 1 through the transfer pipe 11, and then fill the powder-like flocculant into the stirring tube 16.

[0052] S2. Then start the drive motor 14. The drive motor 14 drives the turntable 15 to rotate, and the turntable 15 drives the stirring tube 16 to rotate inside the sedimentation tank 1.

[0053] S3. The first plugging block 18 inserted into the discharge hole 17 on the surface of the stirring tube 16 is affected by the centrifugal force, and drives the second plugging block 191 to move synchronously through the linkage rod 19.

[0054] S4. The second blocking block 191 compresses the connecting spring 192 connected to the fixed plate 193. The second blocking block 191 moves into the mixing tube 16, and the first blocking block 18 moves out of the mixing tube 16, opening the liquid inlet hole and the discharge hole 17 respectively.

[0055] S5. The water pressure of the sewage presses the sewage into the mixing tube 16 through the liquid inlet hole, mixes with the flocculant in the mixing tube 16. At the same time, there is a centrifugal force in the sewage in the mixing tube 16, and the centrifugal force throws the sewage out of the discharge hole 17 into the sedimentation tank 1.

[0056] During operation, when the embodiment of the present invention is used, the filtered sewage is injected into the sedimentation tank 1 through the transfer pipe 11. Then, the powder flocculant is filled into the mixing tube 16. Then, the drive motor 14 is started. The drive motor 14 drives the turntable 15 to rotate, and the turntable 15 drives the mixing tube 16 to rotate inside the sedimentation tank 1. The first blocking block 18 inserted into the discharge hole 17 is affected by the centrifugal force and drives the second blocking block 191 to move synchronously through the linkage rod 19. The second blocking block 191 compresses the connecting spring 192 connected to the fixed plate 193. The second blocking block 191 moves into the mixing tube 16, and the first blocking block 18 moves out of the mixing tube 16, opening the liquid inlet hole and the discharge hole 17 respectively. The water pressure of the sewage presses the sewage into the mixing tube 16 through the liquid inlet hole, mixes with the flocculant in the mixing tube 16. At the same time, there is a centrifugal force in the sewage in the mixing tube 16, and the centrifugal force throws the sewage out of the discharge hole 17 into the sedimentation tank 1. The sewage mixed with the flocculant thrown out of multiple discharge holes 17 is at different water level heights in the sedimentation tank 1, that is, the diffusion points of the flocculant in the sewage are multiple, and the flocculant quickly mixes with the sewage in the sedimentation tank 1, improving the sewage treatment speed. Among them, when in use, when filling the flocculant into the mixing tube 16, first twist the rotating block 21, the rotating block 21 drives the partition plate 22 to rotate. After the flocculant entering the mixing tube 16 is filled between the partition plates 22, twist the rotating block 21 to make the partition plate 22 return to the horizontal position. Then, the flocculant between the partition plates 22 is thrown out of the discharge hole 17 into the sedimentation tank 1, and the flocculant is thrown out of each discharge hole 17 to the corresponding sewage water level height. Among them, when in use, when a larger amount of flocculant is needed, fill the flocculant at the pipe orifice of the feed pipe 23. As the flocculant on both sides of the partition plate 22 is lost, the flocculant in the feed pipe 23 gradually moves downward and is injected into the mixing tube 16 and is at different sewage water level heights.

[0057] During use, the metering tube 25 is provided with graduations, and the metering tube 25 is filled with a specified volume of flocculant. As the turntable 15 rotates, the push plate 26 squeezes the flocculant in the metering tube 25 under the action of centrifugal force, and the flocculant enters the feed pipe 23 through the conduit 24, enabling the feed pipe 23 to inject the internal flocculant into the stirring tube 16. The supplemented flocculant is quantified to avoid excessive or insufficient use of the flocculant. Moreover, the push plate 26 pushes the flocculant to move and inject it into the stirring tube 16, reducing the use of the driving structure. During use, as the stirring tube 16 rotates, the magnetic block 32 intermittently generates magnetic repulsion with the magnet on the inner bottom wall of the sedimentation tank 1. The magnetic block 32 drives the stirring block 31 to move under the action of magnetic force, and the stirring block 31 drives the collar 3 to rotate in the annular groove, and the stirring block 31 agitates the flocculant inside the stirring tube 16. During use, when the stirring tube 16 rotates, the magnetic plate 4 rotates synchronously. The magnetic plate 4 is intermittently affected by the magnetic force of the magnet on the inner bottom wall of the sedimentation tank 1. The rubber on the top surface of the magnetic plate 4 increases the overall mass. After the magnetic plate 4 is moved upward by the magnetic force, when the magnetic plate 4 is not affected by the magnetic force, it moves downward due to its own gravity. As a whole, it rotates with the stirring tube 16, and the magnetic plate 4 moves up and down inside the stirring tube 16, increasing the pumping and discharging intensity of the stirring tube 16 for the sewage and accelerating the liquid exchange inside and outside the stirring tube 16.

[0058] During use, the limiting rod 41 above the magnetic plate 4 limits the moving distance of the magnetic plate 4, assisting in the operation of removing the magnetic plate 4. During use, when the height of the sewage in the sedimentation tank 1 exceeds the bottom of the stirring tube 16, the plastic float 46 moves upward under the action of buoyancy to block the liquid leakage hole 42. When the sewage treatment is completed and the sewage inside the sedimentation tank 1 is pumped away through the transfer pipe 11, the plastic float 46 moves downward under its own gravity, and the connecting frame 44 connected to it moves downward synchronously. The baffle 45 at the top of the connecting frame 44 is restricted and blocked by the guiding hole 43, and the plastic float 46 opens the liquid leakage hole 42, and is hung below the stirring tube 16 through the connecting frame 44. Then, the inside of the stirring tube 16 is rinsed with a water gun, and the liquid water automatically detaches through the liquid leakage hole 42. When the stirring tube 16 is rinsed with a water gun, the liquid water impacts the chute 47. The inclined surface at the top boundary of the oscillating block 49 in the chute 47 moves on the sliding rod 48 after being impacted, and impacts and oscillates occur between the oscillating blocks 49 and between the oscillating blocks 49 and the inner wall of the chute 47, causing the plastic float 46 to vibrate. The plastic float 46 transmits the vibration to the stirring tube 16 through the connecting frame 44, and the stirring tube 16 vibrates, promoting the detachment of the flocculent precipitate adhering to the surface.

[0059] The foregoing has shown and described the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments, and what is described in the above embodiments and the specification is only to illustrate the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements fall within the scope of the present invention claimed. The scope of the present invention claimed is defined by the appended claims and their equivalents.

Claims

1. A sewage treatment device, characterized in that: It includes a sedimentation tank, a transmission pipe is arranged at the mouth of the sedimentation tank, a separation tank is arranged at the pipe orifice of the transmission pipe far away from the sedimentation tank, the separation tank is used for solid-liquid separation of sewage mixed with flocculant, suspension frames are arranged on both sides of the sedimentation tank, a driving motor is installed at the bottom of the suspension frame, a turntable is installed at the bottom end of the output end of the driving motor, the turntable is in a horizontal state, and a pair of mounting holes are opened on the top surface of the turntable. A stirring pipe is installed in the mounting holes, the bottom end of the stirring pipe extends into the interior of the sedimentation tank, a plurality of discharge holes are opened on the circumferential surface of the stirring pipe, the discharge holes are arranged in an array along the vertical direction on the circumferential surface of the stirring pipe, a plurality of liquid inlet holes symmetrical to the discharge holes are opened on the circumferential surface of the stirring pipe, a first plugging block is inserted in the discharge hole, a linkage rod is installed on one side of the first plugging block inside the stirring pipe, a second plugging block is installed at the end of the linkage rod far away from the first plugging block, the second plugging block is inserted into the liquid inlet hole, a connecting spring is vertically installed on one side of the second plugging block outside the stirring pipe, and a fixing plate is arranged on the side of the connecting spring far away from the second plugging block. The fixing plate is fixedly connected with the surface of the stirring pipe; A partition board is fixedly installed inside the stirring pipe, the partition board is staggered with the discharge hole in the vertical direction, the number of the partition boards is four and they are arranged in parallel inside the stirring pipe. A through hole is opened at a non-central position on the surface of the lowermost partition board, four through holes are opened at a non-central position on the surface of the uppermost partition board, and two and three through holes are successively opened on the middle two partition boards from bottom to top. The through holes on each partition board are aligned with the through holes on the upper partition board. Four feed pipes are inserted into the four through holes on the surface of the uppermost partition board, and the bottom ends of the four feed pipes pass through the through holes on the partition board and are successively fixed in the through holes on the four partition boards.

2. The sewage treatment device according to claim 1, characterized in that: A plurality of adjusting holes are opened on the circumferential surface of the stirring pipe, the adjusting holes are vertically distributed on the circumferential surface of the stirring pipe, and each adjusting hole is located on the extension line of the midline between two discharge holes. A rotating block is inserted into the adjusting hole, a circular partition board is installed on one side of the rotating block inside the stirring pipe, the diameter of the partition board is the same as the inner diameter of the stirring pipe, and there is friction between the rotating block and the adjusting hole.

3. The sewage treatment device according to claim 1, characterized in that: A conduit is inserted into the upper end orifice of the feed pipe, a metering pipe is arranged at the end of the conduit far away from the feed pipe, the metering pipe is horizontally installed on the top surface of the turntable, and the orifice of the metering pipe points to the center of the turntable. A push plate is slidably connected inside the metering pipe, and a handle is vertically installed on the vertical surface of the push plate close to the center of the turntable.

4. The sewage treatment device according to claim 1, characterized in that: The circumferential surface of the linkage rod is provided with a plurality of annular grooves, which are evenly distributed along the axis of the linkage rod. A collar is sleeved in the annular groove. Four stirring blocks are evenly arranged on the annular surface of the collar. A magnetic block is arranged on the side of the stirring block away from the collar. A pair of magnets are installed on the inner bottom wall of the sedimentation tank. The magnets and the magnetic blocks have the same magnetic property. When the stirring pipe rotates, the magnetic blocks intermittently reach the magnetic repulsion points with the magnets.

5. A sewage treatment device according to claim 4, wherein: A magnetic plate is slidably connected inside the stirring pipe. The magnetic plate and the magnet have the same magnetic property. When the stirring pipe rotates, the magnetic plate intermittently reaches the magnetic repulsion point with the magnet. A rubber block is arranged on the top surface of the magnetic plate.

6. A sewage treatment device according to claim 5, wherein: A limiting rod is arranged on the top surface of the magnetic plate. The limiting rod is L-shaped, and the top end is located outside the stirring pipe.

7. A sewage treatment device according to claim 1, wherein: A liquid leakage hole is opened on the bottom surface of the stirring pipe. A plastic floating block is inserted into the liquid leakage hole. A connecting frame is arranged on the bottom surface of the plastic floating block. Guide holes are opened on both sides of the liquid leakage hole at the bottom of the stirring pipe. The top end of the connecting frame passes through the guide hole and is located inside the stirring pipe. A baffle is installed on the top of the connecting frame. When the plastic floating block blocks the liquid leakage hole, the baffle does not contact the inner wall of the stirring pipe.

8. A sewage treatment device according to claim 7, wherein: A sliding groove is opened on the top surface of the plastic floating block. A sliding rod is installed inside the sliding groove. Three oscillating blocks are slidably connected to the surface of the sliding rod. An inclined surface is arranged at the top boundary of the oscillating block.

9. A sewage treatment method, wherein: The method includes using a sewage treatment device according to any one of claims 1-8, and includes the following steps: S1. Inject the filtered sewage into the sedimentation tank through a transfer pipe, and then fill the stirring pipe with powdery flocculant; S2. Then start the driving motor. The driving motor drives the turntable to rotate, and the turntable drives the stirring pipe to rotate inside the sedimentation tank; S3. The first blocking block inserted into the discharge hole on the surface of the stirring pipe is affected by centrifugal force, and drives the second blocking block to move synchronously through the linkage rod; S4. The second blocking block compresses the connecting spring connected to the fixing plate. The second blocking block moves into the stirring pipe, and the first blocking block moves out of the stirring pipe, respectively opening the liquid inlet hole and the discharge hole; S5. The water pressure of the sewage presses the sewage into the stirring pipe through the liquid inlet hole, mixes with the flocculant in the stirring pipe. At the same time, there is centrifugal force in the sewage in the stirring pipe, and the centrifugal force throws the sewage out of the discharge hole into the sedimentation tank.

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