Multifunctional sewage treatment equipment and method

Abstract

The invention provides multifunctional sewage treatment equipment and method, and belongs to the technical field of sewage treatment.The multifunctional sewage treatment equipment comprises a box body, a plurality of bins and a stirring device, and an overflow channel II is arranged between the second bin and the third bin; a blockage clearing mechanism is arranged in the overflow channel II and the second bin; the unblocking mechanism comprises a trigger assembly and an unblocking assembly; the trigger assembly comprises a floating plate, an aeration tank, a sliding plate and a trigger connecting rod which is fixedly connected to the sliding plate and is triggered by the floating plate to rise; the unblocking assembly comprises an aeration pipeline, a static aeration branch pipe and a movable aeration branch pipe; the movable aeration branch pipe can penetrate through the aeration tank and aerate into the second overflow channel, an aeration cavity is formed in the movable aeration branch pipe, and an aeration hole communicated with the aeration cavity is formed in the static aeration branch pipe. When the second overflow channel is blocked by flocculated flocs, the trigger assembly of the blockage clearing mechanism triggers the blockage clearing assembly to dredge the second overflow channel, so that the influence of blockage of the second overflow channel on the sewage treatment efficiency is relieved.

Description

Technical Field

[0001] The present invention relates to the technical field of sewage treatment, and particularly relates to a multifunctional sewage treatment device and method. Background Art

[0002] People's life and various industrial productions will generate sewage. If this sewage is directly discharged without treatment, it will pollute the environment. In existing sewage treatment methods, coagulation and flocculation are two closely related steps. Coagulation refers to adding a coagulant to water to make the colloidal particles that are difficult to precipitate in water aggregate and precipitate with each other. The coagulant undergoes physical or chemical reactions with the suspended particles in water, making them lose stability and form larger particles or flocs. Flocculation is based on coagulation. By adding a flocculant, the colloidal particles that have already lost stability are further aggregated into larger flocs to facilitate subsequent sedimentation or filtration treatment. The combined action of these two steps can improve the efficiency and water quality of water treatment.

[0003] For example, the patent document with the publication number CN214990798U discloses an acid pickling and passivation sewage treatment system. The system includes an adjustment tank, a coagulation tank, a flocculation tank, a sedimentation tank, a clear water tank, etc. A coagulant dosing device is provided in the coagulation tank, and a flocculant dosing device is provided in the flocculation tank. A passage one communicating with the coagulation tank is provided on the side wall of the upper part of the flocculation tank, and a passage two communicating with the flocculation tank is provided on the side wall of the lower part of the sedimentation tank. After the sewage and the coagulant are coagulated in the coagulation tank, they flow into the flocculation tank through the passage one, and then after being flocculated with the flocculant, they flow into the sedimentation tank through the passage two. Since larger particles or flocs will be formed in the water during the processes of coagulation and flocculation, it is possible to block the passage one and the passage two during the flow of sewage from the coagulation tank to the flocculation tank and from the flocculation tank to the sedimentation tank, thereby affecting the efficiency of sewage treatment. Therefore, it is necessary to develop a multifunctional sewage treatment device and method to solve the technical problem that in the existing multi-stage sewage treatment device when treating sewage, the passage through which the sewage flows is easily blocked during the transfer of the sewage to adjacent chambers. Summary of the Invention

[0004] In view of this, the present invention provides a multifunctional sewage treatment device and method, and solves the technical problem that the passage through which the sewage flows is easily blocked during the transfer of the sewage to adjacent chambers by providing a blockage clearing mechanism.

[0005] To solve the above technical problems, on the one hand, the present invention provides a multifunctional sewage treatment device, which includes a box body, a plurality of chambers arranged in the box body, and a stirring device arranged in the plurality of chambers. The plurality of chambers sequentially include a first chamber, a second chamber, and a third chamber. A chemical addition port is provided in both the first chamber and the second chamber. An overflow channel one is provided between the first chamber and the second chamber, and an overflow channel two is provided between the second chamber and the third chamber; A clogging clearing mechanism capable of clearing the overflow channel two is provided in the overflow channel two and the second chamber; The clogging clearing mechanism includes a triggering component and a clogging clearing component. The triggering component includes a floating plate slidably connected to the side wall of the overflow channel two and floating on the liquid surface of the second chamber, an aeration tank opened below the overflow channel two, a sliding plate arranged in the aeration tank and capable of sliding up and down in the aeration tank, and a triggering connecting rod fixedly connected to the sliding plate and triggered to rise by the floating plate; A return spring is connected between the triggering connecting rod and the bottom of the overflow channel two; The clogging clearing component includes an aeration pipeline arranged below the box body, a static aeration branch pipe arranged in the aeration tank and communicated with the aeration pipeline, and a dynamic aeration branch pipe fixedly arranged on the sliding plate and sleeved on the static aeration branch pipe; The dynamic aeration branch pipe can pass through the aeration tank and aerate into the overflow channel two. An aeration cavity is opened on the dynamic aeration branch pipe, and an air vent capable of communicating with the aeration cavity is opened on the static aeration branch pipe.

[0006] By adopting the above technical solution, when the flocculated flocs block the second overflow channel, the trigger component of the clog clearing mechanism triggers the clog clearing component to dredge the second overflow channel, alleviating the impact of the blockage of the second overflow channel on the sewage treatment efficiency. Specifically, the sewage is transported into the first chamber, a coagulant is added into the first chamber, and the stirring device stirs the coagulant and the sewage. The coagulated sewage flows into the second chamber through the first overflow channel. A flocculant is added into the second chamber, and the stirring device stirs the flocculant and the sewage. The floating plate floats on the surface of the sewage. When the second overflow channel is blocked, the liquid level of the sewage in the second chamber rises. The liquid level drives the floating plate to rise, and the floating plate triggers the trigger connecting rod to rise, thereby driving the sliding plate and the movable aeration branch pipe to rise, so that the air holes are connected to the aeration chamber. The gas in the aeration pipeline passes through the air holes, reaches the aeration chamber, and then enters the second overflow channel through the movable aeration branch pipe. The rise of the movable aeration branch pipe and the gas entering the second overflow channel dredge the second overflow channel, which is beneficial to slowing down the blockage of the second overflow channel. At the same time, aeration is beneficial to the uniform mixing of the drug and the sewage, improving the reaction speed, reducing sediment deposition at the bottom, and facilitating the forward transportation of the sediment under the action of the water flow. After the second overflow channel is dredged, with the decrease of the liquid level in the second chamber and the elastic force of the reset spring, the floating plate, the trigger connecting rod, the sliding plate and the movable aeration branch pipe are reset, the air holes are closed, and the flocculated sewage flows into the third chamber through the second overflow channel and enters the next process after being stirred by the stirring device. There is a first overflow channel between the first chamber and the second chamber of the present invention, and a second overflow channel between the second chamber and the third chamber. Compared with pipeline transportation, the first overflow channel and the second overflow channel increase the sewage flow space, which is beneficial to reducing the blockage of the pipeline by sewage during the transfer of adjacent chambers.

[0007] Preferably, the stirring device includes a stirring shaft and a driving motor for driving the stirring shaft to rotate; One end of the floating plate is located above the second overflow channel. The other end of the floating plate is fixedly connected with a connecting plate. The chemical addition port is arranged at a position on the floating plate close to the connecting plate. The stirring shaft passes through the chemical addition port and there is a gap between the stirring shafts to enable the drug to fall into the second chamber through the chemical addition port. A connecting member is fixedly connected to the stirring shaft, and a top rod capable of contacting the floating plate or the connecting plate is fixedly connected to the connecting member.

[0008] By adopting the above technical solution, the driving motor drives the stirring shaft to rotate, the stirring shaft drives the connecting member and the top rod to move in a circular motion, and the top rod supports the floating plate or the connecting plate.

[0009] Preferably, the connecting plate has a side edge perpendicular to the other end of the floating plate. A guiding groove is formed in the side edge, and a guiding member is slidably connected in the guiding groove. The guiding member is fixedly installed on the inner wall of the second chamber.

[0010] By adopting the above technical solution, the guide groove and the guide member limit the lifting of the connecting plate, and further limit the lifting of the floating plate. At the same time, in cooperation with the sliding between the floating plate and the second overflow channel, it is beneficial to reduce the inclination of the floating plate during the rising process, so that the sliding plate and the moving aeration branch pipe are driven by the trigger link to rise smoothly, which is conducive to the connection between the aeration holes and the aeration chamber, enabling the air flow to smoothly enter the second overflow channel and facilitating the dredging of the second overflow channel.

[0011] Preferably, a first partition plate and a second partition plate are arranged in parallel between the second chamber and the third chamber. The first partition plate is fixedly installed at the bottom of the second chamber and fixedly connected to both sides of the second chamber. The second partition plate is fixedly connected to both sides of the third chamber. There are gaps between the first partition plate and the top of the second chamber, between the first partition plate and the second partition plate, and between the second partition plate and the bottom of the third chamber to form the second overflow channel.

[0012] By adopting the above technical solution, after the sewage in the second chamber is flocculated, it successively passes through the gap between the first partition plate and the top of the second chamber, between the first partition plate and the second partition plate, and between the second partition plate and the bottom of the third chamber to reach the third chamber. The sewage is transported between the two chambers by means of overflow, increasing the space for sewage flow and being beneficial to reducing the blockage of the pipeline by sewage during the transfer of adjacent chambers.

[0013] Preferably, a chute is formed in the upper part of the second partition plate, and a sliding plate capable of sliding up and down in the chute is fixedly connected below one end of the floating plate.

[0014] By adopting the above technical solution, when the second overflow channel is blocked, the floating plate rises, driving the sliding plate to rise in the chute, which is beneficial to reducing the inclination of the floating plate. The sliding plate and the moving aeration branch pipe are driven by the trigger link to rise smoothly, which is conducive to the connection between the aeration holes and the aeration chamber, enabling the air flow to smoothly enter the second overflow channel and facilitating the dredging of the second overflow channel.

[0015] Preferably, a plurality of through holes for sewage to pass through are provided on the floating plate, and an inclined bottom plate is fixedly connected below the connecting plate. The floating plate and the bottom plate are inclined respectively from the connection between the floating plate and the connecting plate to both sides, so that the ejector rod drives the floating plate and the bottom plate to reciprocate up and down.

[0016] By adopting the above technical solution, the floating plate and the bottom plate are inclined towards both sides respectively from the connection between the floating plate and the connecting plate. During the process that the rotating shaft drives the ejector rod to contact the bottom plate, the connecting plate is driven to lift regularly, and then the floating plate is driven to lift regularly; during the process that the rotating shaft drives the ejector rod to contact the floating plate, the floating plate is driven to lift regularly, and then the connecting plate is driven to lift regularly. The regular undulation of the floating plate and the connecting plate causes the liquid level of the sewage to fluctuate, which is beneficial to reducing the bubbles on the surface of the sewage and also beneficial to reducing the sediment in the sewage from descending, thereby reducing the blockage of the second overflow channel. Moreover, the sewage can pass through the through holes on the floating plate, which is beneficial to eliminating the bubbles in the sewage, and the fluctuating liquid level can also reduce the blockage of the through holes by the sediment in the sewage. The inclined floating plate is also beneficial to the sewage flowing through the through holes into the third chamber.

[0017] Preferably, a guide plate is fixedly connected to one end of the floating plate close to the second overflow channel. The guide plate is located in the third chamber and is inclined downward from the end close to the floating plate to the end far from the floating plate.

[0018] By adopting the above technical solution, the guide plate guides the sewage passing through the through holes, which is beneficial to the sewage smoothly falling into the third chamber.

[0019] On the other hand, the present invention provides a multifunctional sewage treatment method, using the multifunctional sewage treatment equipment described above, which includes the following steps: Step 1: The sewage is conveyed into the first chamber, a coagulant is added into the first chamber, and the stirring device stirs the coagulant and the sewage. The coagulated sewage flows into the second chamber through the first overflow channel. A flocculant is added into the second chamber, and the stirring device stirs the flocculant and the sewage. The floating plate floats on the surface of the sewage; Step 2: When the second overflow channel is blocked, the liquid level of the sewage in the second chamber rises. The liquid level drives the floating plate to rise, and the floating plate triggers the trigger link to rise, thereby driving the sliding plate and the movable aeration branch pipe to rise, so that the air holes and the aeration chamber are connected. The gas in the aeration pipeline enters into the second overflow channel. The rise of the movable aeration branch pipe and the gas entering into the second overflow channel dredge the second overflow channel; Step 3: After the second overflow channel is dredged, with the decrease of the liquid level in the second chamber and the elastic force of the return spring, the floating plate, the trigger link, the sliding plate and the movable aeration branch pipe return to their original positions, the air holes are closed, and the flocculated sewage flows into the third chamber through the second overflow channel and enters the next process after being stirred by the stirring device.

[0020] By adopting the above technical solution, when the second overflow channel is blocked, the liquid level of the sewage in the second chamber rises. The liquid level drives the floating plate to rise, and the floating plate triggers the trigger link to rise, thereby driving the sliding plate and the moving aeration branch pipe to rise, so that the air holes are connected to the aeration chamber. The gas in the aeration pipeline passes through the air holes, reaches the aeration chamber, and then enters the second overflow channel through the moving aeration branch pipe. The rising of the moving aeration branch pipe and the gas entering the second overflow channel dredge the second overflow channel, which is beneficial to slowing down the blockage of the second overflow channel. At the same time, aeration is beneficial to the uniform mixing of the drug and the sewage, improves the reaction speed, reduces sediment deposition at the bottom, and is conducive to the forward transportation of the sediment under the action of the water flow.

[0021] The beneficial effects of the above technical solution of the present invention are as follows: 1. When the flocculated flocs block the second overflow channel, the trigger component of the blockage clearing mechanism triggers the moving aeration branch pipe of the blockage clearing component to rise, so that the air holes are connected to the aeration chamber. The gas in the aeration pipeline passes through the air holes, reaches the aeration chamber, and then enters the second overflow channel through the moving aeration branch pipe. The rising of the moving aeration branch pipe and the gas entering the second overflow channel dredge the second overflow channel, which is beneficial to slowing down the blockage of the second overflow channel. At the same time, aeration is beneficial to the uniform mixing of the drug and the sewage, improves the reaction speed, reduces sediment deposition at the bottom, and is conducive to the forward transportation of the sediment under the action of the water flow.

[0022] 2. In the present invention, the sewage is transported between the two chambers by means of overflow, which increases the space for the sewage to flow, and is beneficial to reducing the blockage of the pipeline by the sewage during the transfer of adjacent chambers.

[0023] 3. The floating plate and the bottom plate of the present invention are both inclined, which is beneficial to the top rod driving the floating plate and the connecting plate to fluctuate regularly, causing the liquid level of the sewage to fluctuate. This is beneficial to reducing the bubbles on the surface of the sewage and also beneficial to reducing the sediment in the sewage from falling, thereby reducing the blockage of the second overflow channel. Moreover, the sewage can pass through the through holes on the floating plate, which is beneficial to eliminating the bubbles in the sewage, and the fluctuating liquid level can also reduce the blockage of the through holes by the sediment in the sewage. The inclined floating plate is also beneficial to the sewage flowing through the through holes to flow into the third chamber. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 is a perspective view of the multifunctional sewage treatment equipment of the present invention; Figure 2 is a cross-sectional view of the multifunctional sewage treatment equipment of the present invention; Figure 3 is Figure 2 the enlarged view of part A in Figure 4 is Figure 2 the enlarged view of part B in Figure 5 is a cross-sectional view of the second chamber and the second overflow channel of the present invention; Figure 6 is Figure 5 the enlarged view at position C in; Figure 7 the structural schematic diagram of the floating plate and the connecting plate of the present invention; Figure 8 the cross-sectional view of the guiding groove and the guiding member in the second chamber of the present invention.

[0025] In the figure: 1. Box body; 11. First chamber; 12. Second chamber; 13. Third chamber; 14. Chemical addition port; 15. Sewage pipeline; 16. Chemical addition pipeline; 17. Drainage pipeline; 2. Stirring device; 21. Driving motor; 22. Stirring shaft; 3. First overflow channel; 31. Third partition; 32. Fourth partition; 4. Second overflow channel; 41. First partition; 42. Second partition; 421. Sliding groove; 422. Sliding plate; 5. Trigger assembly; 51. Floating plate; 511. Through hole; 52. Aeration tank; 53. Sliding plate; 54. Trigger connecting rod; 55. Connecting plate; 551. Guiding groove; 552. Guiding member; 553. Bottom plate; 56. Connecting member; 57. Thrust rod; 58. Deflector; 6. Blockage clearing assembly; 61. Aeration pipeline; 62. Static aeration branch pipe; 621. Aeration hole; 63. Dynamic aeration branch pipe; 631. Aeration chamber. Detailed implementation manners

[0026] To make the objectives, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the Figures 1-8 of the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the described embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art belong to the scope protected by the present invention.

[0027] Embodiment As Figure 1 shown, this embodiment provides a multifunctional sewage treatment device including a box body 1, a plurality of chambers arranged in the box body 1, and a stirring device 2 arranged in the plurality of chambers.

[0028] As Figure 1 and Figure 5 shown, the plurality of chambers sequentially include a first chamber 11, a second chamber 12 and a third chamber 13. Chemical addition ports 14 are provided in both the first chamber 11 and the second chamber 12. A sewage pipeline 15 and a chemical addition pipeline 16 are provided on the box body 1. The sewage pipeline 15 leads into the first chamber 11 for adding sewage into the first chamber 11. Two chemical addition pipelines 16 are provided and respectively lead into the chemical addition ports 14 of the first chamber 11 and the second chamber 12 for adding a coagulant into the first chamber 11 and adding a flocculant into the second chamber 12.

[0029] As Figure 1 shown, three stirring devices 2 are provided, which are respectively located in the first chamber 11, the second chamber 12 and the third chamber 13. The stirring device 2 includes a stirring shaft 22 and a driving motor 21 for driving the stirring shaft 22 to rotate. The axis of the stirring shaft 22 extends in the up and down direction and stirring blades are provided on the stirring shaft 22.

[0030] As Figure 1 shown, after the sewage is coagulated in the first chamber 11, it enters the second chamber 12 for flocculation, and finally enters the third chamber 13 for reaction. Stirring during the coagulation and flocculation processes is beneficial to the uniform mixing of the sewage and the medicine. At the same time, sedimentation to the bottom is reduced. Stirring in the third chamber 13 further promotes the reaction, flocculation and sedimentation of the medicine and the sewage, and at the same time reduces sedimentation to the bottom. Under the action of the water flow, when the liquid level reaches a certain height, the sediment is discharged with the water flow, and after being discharged, the separation of the sediment and the water is carried out. A drainage pipe 17 communicating with the first chamber 11, the second chamber 12 and the third chamber 13 is provided at the lower part of the box body 1 for discharging the sewage in the first chamber 11, the second chamber 12 and the third chamber 13.

[0031] As Figure 1 shown, medicines can also be added into the third chamber 13. For example, when it is necessary to adjust the pH of the sewage, a coagulant aid can be first added into the first chamber 11 to adjust the pH, and then different flocculants are added into the second chamber 12 and the third chamber 13 in sequence, so that this embodiment is applicable to treating different types of sewage.

[0032] As Figure 2 shown, an overflow channel 3 is provided between the first chamber 11 and the second chamber 12, and an overflow channel 4 is provided between the second chamber 12 and the third chamber 13.

[0033] As Figure 2 shown, a partition 31 and a partition 32 are arranged in parallel between the first chamber 11 and the second chamber 12, and the plate surfaces of the partition 31 and the partition 32 are perpendicular to the direction of sewage overflow. The partition 31 is fixedly installed at the bottom of the first chamber 11 and fixedly connected to both sides of the first chamber 11. The partition 32 is fixedly connected to both sides of the second chamber 12. Gaps are left between the partition 31 and the top of the first chamber 11, between the partition 31 and the partition 32, and between the partition 32 and the bottom of the second chamber 12 to form an overflow channel 3.

[0034] As Figure 2As shown, a first partition 41 and a second partition 42 are arranged in parallel between the second chamber 12 and the third chamber 13, and the first partition 41 is also parallel to the third partition 31. The first partition 41 is fixedly installed at the bottom of the second chamber 12 and fixedly connected to both sides of the second chamber 12. The second partition 42 is fixedly connected to both sides of the third chamber 13. There are gaps between the first partition 41 and the top of the second chamber 12, between the first partition 41 and the second partition 42, and between the second partition 42 and the bottom of the third chamber 13 to form a second overflow channel 4.

[0035] As Figure 2 shown, after the sewage in the first chamber 11 is coagulated, it successively passes between the third partition 31 and the top of the first chamber 11, between the third partition 31 and the fourth partition 32, and between the third partition 31 and the bottom of the second chamber 12 to reach the second chamber 12. After the sewage in the second chamber 12 is flocculated, it successively passes between the first partition 41 and the top of the second chamber 12, between the first partition 41 and the second partition 42, and between the second partition 42 and the bottom of the third chamber 13 to reach the third chamber 13. The sewage is transported between the two chambers by means of overflow, increasing the space for the sewage to flow, which is beneficial to reducing the blockage of the pipeline by the sewage during the transfer of adjacent chambers.

[0036] As Figure 2 shown, a clogging clearing mechanism capable of clearing the second overflow channel 4 is provided in the second overflow channel 4 and the second chamber 12. The clearing mechanism includes a triggering assembly 5 as Figure 6 shown and a clogging clearing assembly 6 as Figure 4 shown. When the second overflow channel 4 is blocked, the triggering assembly 5 triggers the clogging clearing assembly 6 to dredge the second overflow channel 4.

[0037] As Figure 5 and Figure 6 shown, the triggering assembly 5 includes a floating plate 51, an aeration tank 52, a sliding plate 53, and a triggering connecting rod 54.

[0038] Among them, as Figure 2 and Figure 3 shown, the floating plate 51 floats on the liquid surface of the second chamber 12 and can move up and down following the liquid surface. One end of the floating plate 51 is located above the second overflow channel 4 and is slidably connected to the second partition 42. Specifically, a chute 421 is opened downward in the upper part of the second partition 42, and a sliding plate 422 capable of sliding up and down in the chute 421 is fixedly connected below one end of the floating plate 51. The other end of the floating plate 51 is fixedly connected to a connecting plate 55, and the connecting plate 55 also floats on the liquid surface of the second chamber 12.

[0039] As Figure 2 and Figure 3 shown, the connecting plate 55 abuts against the three inner walls of the second chamber 12 far from the first partition 41.

[0040] As Figure 2 and Figure 5 shown, the chemical addition port 14 is arranged at a position on the floating plate 51 close to the connecting plate 55. The stirring shaft 22 passes through the chemical addition port 14 and there is a gap between the stirring shafts 22 so that the drug can fall into the second chamber 12 through the chemical addition port 14. A connecting member 56 is fixedly connected to the stirring shaft 22. The connecting member 56 is a rod-shaped structure and is perpendicular to the stirring shaft 22. A top rod 57 is fixedly connected to the connecting member 56. The top rod 57 is parallel to the axis of the stirring shaft 22. Therefore, the connecting member 56 and the top rod 57 are perpendicular to each other.

[0041] As Figure 8 shown, the connecting plate 55 has four sides. The side fixedly connected to the floating plate 51 is side one. The two sides perpendicular to side one are side two. The side far from side one and parallel to side one is side three. Both side two and side three are in contact with the inner wall of the second chamber 12. Guide grooves 551 are opened downward on both side two. A guide member 552 is slidably connected in the guide grooves 551. The guide member 552 is a rod-shaped structure and is fixedly installed on the inner wall of the second chamber 12. The guide grooves 551 and the guide member 552 limit the lifting of the connecting plate 55, and thus limit the lifting of the floating plate 51. At the same time, in cooperation with the up and down sliding of one end of the floating plate 51, it is beneficial to reduce the inclination of the floating plate 51 during the rising process.

[0042] As Figure 2 and Figure 7 shown, a plurality of through holes 511 for sewage to pass through are provided on the floating plate 51. A bottom plate 553 is fixedly connected below the connecting plate 55. The upper end surface and the lower end surface of the floating plate 51 are parallel. The top rod 57 can contact the floating plate 51 or the bottom plate 553, thereby supporting the floating plate 51 and the connecting plate 55. The floating plate 51 and the bottom plate 553 are inclined respectively from the connection part of the floating plate 51 and the connecting plate 55 to both sides, so that the top rod 57 drives the floating plate 51 and the connecting plate 55 to reciprocate up and down.

[0043] As Figure 2 and Figure 7 shown, since both the floating plate 51 and the bottom plate 553 are inclined, during the process that the rotating shaft drives the top rod 57 to contact the bottom plate 553, it drives the bottom plate 553 and the connecting plate 55 to regularly lift and lower, and then drives the floating plate 51 to regularly lift and lower; during the process that the rotating shaft drives the top rod 57 to contact the floating plate 51, it drives the floating plate 51 to regularly lift and lower, and then drives the connecting plate 55 to regularly lift and lower. The regular undulation of the floating plate 51 and the connecting plate 55 causes the liquid level of the sewage to fluctuate, which is beneficial to reducing the bubbles on the surface of the sewage and also beneficial to reducing the sediment in the sewage from descending, thereby reducing the blockage of the second overflow channel 4. And the sewage can pass through the through holes 511 on the floating plate 51, which is beneficial to eliminating the bubbles in the sewage. The fluctuating liquid level can also reduce the blockage of the through holes 511 by the sediment in the sewage. The inclined floating plate 51 is also beneficial to the sewage flowing through the through holes 511 into the third chamber 13.

[0044] As Figure 2 and Figure 3 shown, a guide plate 58 is fixedly connected to one end of the floating plate 51 close to the second overflow channel 4. The guide plate 58 is located in the third chamber 13 and slopes downward from the end close to the floating plate 51 to the end far from the floating plate 51. The guide plate 58 guides the sewage passing through the through hole 511, which is beneficial to the sewage falling smoothly into the third chamber 13.

[0045] As Figure 2 and Figure 4 shown, the aeration tank 52 is provided on the outside of the box body 1 and at the position below the second overflow channel 4.

[0046] As Figure 2 and Figure 4 shown, the sliding plate 53 is arranged in the aeration tank 52 and can slide up and down in the aeration tank 52.

[0047] As Figure 5 and Figure 6 shown, the trigger link 54 is arranged inside the side wall of the second chamber 12. There are two trigger links 54, which are respectively located at both ends of the sliding plate 53. The lower end of the trigger link 54 passes through the bottom of the second overflow channel 4 and is fixedly connected to the sliding plate 53. The upper end of the trigger link 54 is provided with a downwardly bent elbow. A top block is fixedly connected to the floating plate 51. When the floating plate 51 rises, the top block jacks up the elbow, thereby driving the trigger link 54 to rise and causing the sliding plate 53 to rise. A return spring (not shown in the figure) is connected between the trigger link 54 and the bottom of the second overflow channel 4. When the floating plate 51 descends, under the action of the return spring, the trigger link 54 drives the sliding plate 53 to descend, so that the sliding plate 53 is reset.

[0048] As Figure 4 shown, the blockage clearing assembly 6 includes an aeration pipe 61, a static aeration branch pipe 62 and a dynamic aeration branch pipe 63.

[0049] As Figure 2 and Figure 4 shown, the aeration pipe 61 is arranged below the box body 1. A plurality of aeration pipes communicating with the aeration pipe 61 are provided at the bottom of the box body 1. The aeration pipes pass through the bottom of the box body 1 and extend into the first chamber 11, the second chamber 12 and the third chamber 13, so that the first chamber 11, the second chamber 12 and the third chamber 13 can all be aerated.

[0050] As Figure 2 and Figure 4As shown, a plurality of static aeration branch pipes 62 are provided and located in the aeration tank 52. The plurality of static aeration branch pipes 62 are all communicated with the aeration pipeline 61. The axis of the static aeration branch pipe 62 extends in the up and down direction. The upper end surface of the static aeration branch pipe 62 is sealed, and aeration holes 621 are opened at a position near the upper end on the side surface.

[0051] As Figure 2 and Figure 4 shown, the dynamic aeration branch pipe 63 is fixedly arranged on the sliding plate 53 and sleeved on the static aeration branch pipe 62. The axes of the dynamic aeration branch pipe 63 and the static aeration branch pipe 62 are collinear. The upper end of the dynamic aeration branch pipe 63 is open, and the static aeration branch pipe 62 is located inside the dynamic aeration branch pipe 63 to seal the opening of the dynamic aeration branch pipe 63. The dynamic aeration branch pipe 63 can pass through the aeration tank 52 and extend into the second overflow channel 4.

[0052] As Figure 6 shown, an aeration cavity 631 is opened in the circumferential direction away from the axis in the middle part of the dynamic aeration branch pipe 63. When the dynamic aeration branch pipe 63 follows the sliding plate 53 to rise, the aeration holes 621 and the upper end surface of the static aeration branch pipe 62 can be located inside the aeration cavity 631, so that the gas in the static aeration branch pipe 62 reaches the aeration cavity 631 through the aeration holes 621, and then enters the second overflow channel 4 through the opening of the dynamic aeration branch pipe 63. The rising of the dynamic aeration branch pipe 63 and the gas entering the second overflow channel 4 dredge the second overflow channel 4, which is beneficial to slowing down the blockage of the second overflow channel 4. After the second overflow channel 4 is dredged, the trigger link 54, the sliding plate 53 and the dynamic aeration branch pipe 63 are reset, and the state where the aeration holes 621 are closed is as Figure 4 shown.

[0053] A multifunctional sewage treatment method uses the above-mentioned multifunctional sewage treatment equipment and includes the following steps: Step 1: Sewage is transported into the first chamber 11, a coagulant is added into the first chamber 11, and the stirring device 2 stirs the coagulant and the sewage. The coagulated sewage flows into the second chamber 12 through the first overflow channel 3. A flocculant is added into the second chamber 12, and the stirring device 2 stirs the flocculant and the sewage. The floating plate 51 floats on the surface of the sewage; when the rotating shaft drives the ejector rod 57 to contact the bottom plate 553, the bottom plate 553 and the connecting plate 55 are driven to lift regularly, and then the floating plate 51 is driven to lift regularly; when the rotating shaft drives the ejector rod 57 to contact the floating plate 51, the floating plate 51 is driven to lift regularly, and then the connecting plate 55 is driven to lift regularly. The regular undulation of the floating plate 51 and the connecting plate 55 causes the liquid level of the sewage to fluctuate, which is beneficial to reducing the bubbles on the surface of the sewage and also beneficial to reducing the precipitation in the sewage from descending, thereby reducing the blockage of the second overflow channel 4, and the sewage can pass through the through holes 511 on the floating plate 51, which is beneficial to eliminating the bubbles in the sewage, and the fluctuating liquid level can also reduce the blockage of the through holes 511 by the precipitation in the sewage; Step 2: When the second overflow channel 4 is blocked, the liquid level of the sewage in the second chamber 12 rises. The liquid level drives the floating plate 51 to rise, and the floating plate 51 triggers the trigger link 54 to rise, thereby driving the sliding plate 53 and the movable aeration branch pipe 63 to rise, so that the aeration holes 621 and the upper end surface of the static aeration branch pipe 62 are both located in the aeration chamber 631, so that the aeration holes 621 and the aeration chamber 631 are connected. The gas in the aeration pipeline 61 enters the second overflow channel 4, and the rise of the movable aeration branch pipe 63 and the gas entering the second overflow channel 4 dredge the second overflow channel 4; Step 3: After the second overflow channel 4 is dredged, as the liquid level in the second chamber 12 drops, the floating plate 51 drops. Under the elastic force of the return spring, the trigger link 54, the sliding plate 53 and the movable aeration branch pipe 63 are reset, and the aeration holes 621 are closed. The flocculated sewage flows from the second overflow channel 4 into the third chamber 13, and after being stirred by the stirring device 2, it enters the next process.

[0054] In addition, since the flocs in the sewage passing through the first overflow channel 3 may not be as large as those in the sewage passing through the second overflow channel 4, the blockage in the first overflow channel 3 may not be as severe as that in the second overflow channel 4. Therefore, a blockage clearing mechanism is provided in the second overflow channel 4. In order to reduce the blockage in the first overflow channel 3, a blockage clearing mechanism can also be provided in the first overflow channel 3.

[0055] In addition, it should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0056] The above is the preferred embodiment of the present invention. It should be pointed out that for those of ordinary skill in the art, without departing from the principle of the present invention, several improvements and refinements can be made, and these improvements and refinements should also be regarded as the protection scope of the present invention.

Claims

1. A multifunctional sewage treatment equipment, comprising a box, a plurality of chambers arranged in the box, and a stirring device arranged in the plurality of chambers, wherein the plurality of chambers sequentially include a first chamber, a second chamber, and a third chamber, and the first chamber and the second chamber are both provided with a dosing port, characterized in that: Overflow channel 1 is provided between the first chamber and the second chamber, and overflow channel 2 is provided between the second chamber and the third chamber; overflow channel 2 and the second chamber are provided with a clearing mechanism capable of clearing overflow channel 2; The clearing mechanism includes a trigger assembly and a clearing assembly, wherein the trigger assembly includes a floating plate slidably connected to the side wall of the overflow channel 2 and suspended on the liquid surface of the second chamber, an aeration tank provided below the overflow channel 2, a sliding plate provided in the aeration tank and capable of sliding up and down in the aeration tank, and a trigger connecting rod fixedly connected to the sliding plate and triggered to rise by the floating plate; a reset spring is connected between the trigger connecting rod and the bottom of the overflow channel 2; The blockage clearing assembly comprises an aeration pipe arranged below the box body, a static aeration branch pipe arranged in the aeration tank and communicating with the aeration pipe, and a dynamic aeration branch pipe fixedly arranged on a sliding plate and sleeved on the static aeration branch pipe; the dynamic aeration branch pipe can pass through the aeration tank and aerate into the overflow channel 2, an aeration cavity is arranged on the dynamic aeration branch pipe, and an aeration hole which can communicate with the aeration cavity is arranged on the static aeration branch pipe.

2. The multifunctional sewage treatment equipment according to claim 1, characterized in that: The stirring device comprises a stirring shaft and a driving motor for driving the stirring shaft to rotate; One end of the floating plate is located above the overflow channel 2, and the other end of the floating plate is fixedly connected to the connecting plate. The dosing port is arranged on the floating plate near the connecting plate. The stirring shaft passes through the dosing port and a gap is left between the stirring shafts so that the medicine can fall into the second chamber through the dosing port. The stirring shaft is fixedly connected to a connecting piece, and the connecting piece is fixedly connected to a top rod that can contact the floating plate or the connecting plate.

3. The multifunctional sewage treatment equipment according to claim 2 is characterized in that: The connecting plate has a side perpendicular to the other end of the floating plate, a guide groove is provided on the side, a guide member is slidably connected in the guide groove, and the guide member is fixedly installed on the inner wall of the second chamber.

4. The multifunctional sewage treatment equipment according to claim 3 is characterized in that: Partition 1 and partition 2 are arranged in parallel between the second chamber and the third chamber. Partition 1 is fixedly installed at the bottom of the second chamber and fixedly connected to the two sides of the second chamber. Partition 2 is fixedly connected to the two sides of the third chamber. Gaps are left between partition 1 and the top of the second chamber, between partition 1 and partition 2, and between partition 2 and the bottom of the third chamber to form overflow channel 2.

5. The multifunctional sewage treatment equipment according to claim 4 is characterized in that: A slide groove is provided on the upper part of the second partition plate, and a slide plate capable of sliding up and down in the slide groove is fixedly connected below one end of the floating plate.

6. The multifunctional sewage treatment equipment according to claim 2, characterized in that: The floating plate is provided with a plurality of through holes for sewage to pass through, and an inclined bottom plate is fixedly connected to the lower side of the connecting plate. The floating plate and the bottom plate are inclined to both sides respectively from the connection between the floating plate and the connecting plate, so that the top rod drives the floating plate and the bottom plate to rise and fall reciprocally.

7. The multifunctional sewage treatment equipment according to claim 1, characterized in that: A guide plate is fixedly connected to one end of the floating plate close to the second overflow channel. The guide plate is located in the third chamber and is inclined downward from one end close to the floating plate to one end away from the floating plate.

8. A multifunctional sewage treatment method, using the multifunctional sewage treatment equipment according to claim 1, characterized in that: The following steps are involved: Step 1: The sewage is transported to the first chamber, a coagulant is added to the first chamber, a stirring device stirs the coagulant and the sewage, the coagulated sewage flows into the second chamber from the overflow channel 1, a flocculant is added to the second chamber, a stirring device stirs the flocculant and the sewage, and the floating plate is suspended on the surface of the sewage; Step 2: When the overflow channel 2 is blocked, the liquid level of the sewage in the second chamber rises, the liquid level drives the floating plate to rise, the floating plate triggers the trigger connecting rod to rise, and then drives the sliding plate and the dynamic aeration branch pipe to rise, so that the aeration hole and the aeration cavity are connected, and the gas in the aeration pipeline enters the overflow channel 2. The rising of the dynamic aeration branch pipe and the gas entering the overflow channel 2 dredge the overflow channel 2; Step 3: After the overflow channel 2 is unblocked, as the liquid level in the second chamber drops and under the elastic force of the reset spring, the float plate, trigger connecting rod, sliding plate and dynamic aeration branch pipe are reset, the aeration hole is closed, and the flocculated sewage flows from the overflow channel 2 into the third chamber and is stirred by the stirring device before entering the next process.

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