ABR anaerobic process enhanced wastewater treatment device and process flow

Abstract

The invention discloses an ABR anaerobic process enhanced wastewater treatment device and a process flow, and belongs to the technical field of wastewater treatment.The ABR anaerobic process enhanced wastewater treatment device comprises a treatment bin, a partition plate, a guide plate, reaction chambers, an overflow port, a circulating pump, a water inlet pipe, a water outlet pipe and sludge shearing assemblies, and the multiple sludge shearing assemblies correspond to the multiple reaction chambers respectively; and when the circulating pump is started, the shearing force is generated on the sludge in the reaction chamber. According to the invention, the circulating pump is intermittently started to generate a circulating flow effect on sewage in the reaction chamber and promote mixing of the sewage and sludge, and in addition, the sludge shearing assembly alternately moves up and down on the sludge in different areas of the reaction chamber during the starting period of the circulating pump, so that the sludge in the reaction chamber is subjected to a shearing force; therefore, gaps are generated in the sludge, so that the sewage is better mixed with the sludge, the uniform distribution of microorganisms in the sludge can be promoted, and the diffusion of the microorganisms is facilitated.

Description

Technical Field

[0001] The invention belongs to the technical field of wastewater treatment, and specifically relates to an ABR anaerobic process enhanced wastewater treatment device and a process flow. Background Art

[0002] Anaerobic baffled reactor, or ABR. Anaerobic baffled reactor is a highly efficient anaerobic wastewater treatment technology, which was developed by McCarty and his collaborators at Stanford University in the United States in 1982 based on the anaerobic biological rotary disc reactor. The characteristics of the ABR process include simple structure, strong sludge retention capacity, and high stability. It is particularly suitable for treating high-concentration organic wastewater, including toxic and difficult-to-degrade wastewater. In the ABR reactor, a series of vertically installed baffles are set up to make the wastewater flow up and down along the baffles in the reactor. This design increases the total length of the flow path of the water flow in the reactor, which helps the biological solids to be effectively retained in the reactor. At the same time, due to the obstruction of the baffles and the sedimentation of the sludge, the flow rate of the water flow in the horizontal direction is extremely slow, so that a large amount of anaerobic sludge is retained in the reaction chamber. The ABR process sets up upper and lower baffles in the reactor to form compartments connected in series, so that the microbial population can separate the acid-producing and methanogenic phases in different compartments along the length direction, thereby realizing an integrated two-phase or multi-phase treatment process in one reactor. This design enables the ABR to exhibit good hydraulic conditions, efficient biosolids retention capacity and reasonable bacterial population distribution when treating wastewater.

[0003] For example, an ABR anaerobic baffled reactor device for aquaculture wastewater treatment disclosed in Chinese Patent Invention Publication No. CN108821448A includes an inlet bucket, a peristaltic pump, an ABR anaerobic baffled reactor and an outlet bucket which are sequentially connected through water pipes. The ABR anaerobic baffled reactor is provided with five partitions, which are arranged at intervals and divide the ABR anaerobic baffled reactor into six compartments which are interconnected at the top, and the volumes of the six compartments decrease sequentially along the water flow direction; each compartment is provided with a guide plate, which divides the compartment into two upstream compartments and downstream compartments which are interconnected at the bottom, and the volume of the downstream compartment is one third of the volume of the upstream compartment.

[0004] When ABR is used in industrial wastewater, the flow rate is often too low, resulting in the sludge in the compartment (referred to as the reaction chamber in this application) not being fully mixed with the wastewater, which in turn causes the system treatment efficiency to fail to meet expectations. Summary of the invention

[0005] The technical problem to be solved by the present invention is to overcome the disadvantages of the above-mentioned prior art and provide an ABR anaerobic process enhanced wastewater treatment device and a process flow.

[0006] The technical solution adopted to solve the above technical problems is: an ABR anaerobic process enhanced wastewater treatment device, including a treatment chamber of a baffle reactor, wherein the two side walls of the treatment chamber in the length direction are respectively provided with a water inlet and a water outlet, and the inner wall of the treatment chamber is vertically fixed with a plurality of partition plates and a plurality of guide plates along the length direction of the treatment chamber, wherein the guide plate and an adjacent partition plate form a reaction chamber, and an overflow port is provided on the upper side of the partition plate, and further comprising: A plurality of circulation pumps installed on the top of the processing chamber, wherein the water inlet end and the water outlet end of the circulation pump are respectively and sequentially installed with a water inlet pipe and a water outlet pipe, and the lower ends of the water inlet pipe and the water outlet pipe extend into the reaction chamber of the processing chamber; A plurality of sludge shearing components are arranged at the bottom of the processing chamber, and the plurality of sludge shearing components respectively correspond to the plurality of reaction chambers and are used to generate shearing force on the sludge in the reaction chamber when the circulation pump is started.

[0007] Through the above technical scheme, the circulation pump is started intermittently, thereby producing a circulating flow effect on the sewage in the reaction chamber, promoting the mixing of sewage and sludge. In addition, during the start-up of the circulation pump, the sludge shearing component causes the sludge in different areas of the reaction chamber to move up and down alternately, so that the sludge in the reaction chamber is subjected to shear force, thereby generating gaps in the sludge, so that the sewage and sludge are better mixed. In addition, when the sludge is subjected to shear force and produces shear movement, it can promote the uniform distribution of microorganisms in the sludge and facilitate the diffusion of microorganisms.

[0008] Furthermore, the side walls and the top surface of the processing chamber are respectively provided with a plurality of sewage outlets and exhaust outlets, and the sewage outlets and the exhaust outlets are respectively connected with the plurality of reaction chambers in sequence.

[0009] Through the above technical solution, the treated sludge and sewage can be discharged from the sewage outlet, and the exhaust port can be used to discharge the waste gas in the reaction process in time.

[0010] Furthermore, the sludge shearing assembly includes a thickened plate fixed to the bottom of the processing bin, and two groups of floating blocks are vertically slidably penetrated on the surface of the thickened plate, and the two groups of floating blocks are respectively defined as a first floating block and a second floating block, and the first floating block and the second floating block are staggered. A sealing through-hole is opened at the bottom of the processing bin for the first floating block and the second floating block to pass freely, and the first floating block, the second floating block and the inner wall of the sealing through-hole are in a sliding sealing state, and the thickened plate is provided with a lifting drive unit for driving the first floating block and the second floating block to slide vertically alternately.

[0011] Through the above technical solution, the lifting drive unit drives the first floating block and the second floating block to move up and down alternately, thereby generating shear force on the sludge in the reaction chamber. In addition, the first floating block and the second floating block increase the microbial attachment area in the reaction chamber, which is beneficial to the contact between the microorganisms and sewage.

[0012] Furthermore, the lifting drive unit includes ear plates integrally fixed to both ends of the thickened plate, and the ear plates at both ends of the same thickened plate are horizontally rotatably connected to a crankshaft, and a plurality of swing arms are integrally fixed to the periphery of the crankshaft, and two adjacent swing arms are respectively distributed on both sides of the radial direction of the crankshaft, and the swing arm is rotatably connected to a hinge rod, and the end of the hinge rod away from the swing arm is correspondingly hinged to the bottom of the first floating block and the second floating block.

[0013] Through the above technical solution, the crankshaft rotates, thereby causing the swing arm to drive the hinge rod to swing back and forth. During the reciprocating swing of the hinge rod, the first floating block and the second floating block will be driven to move up and down alternately, so that the first floating block and the second floating block generate shear force on the sludge in the reaction chamber. The structure is simple and the cost is low.

[0014] Furthermore, there is a gap between the opposite surfaces of the first floating block and the second floating block at the locations where the first floating block and the second floating block penetrate into the processing chamber, and the gap and the inner wall of the processing chamber form a shear force buffer space.

[0015] Through the above technical solution, a shear force buffer space is set, so that when the shear surface of the sludge moves between the first floating block and the second floating block, the sludge on the shear surface can be buffered in the shear force buffer space, thereby avoiding excessive movement of sludge near the sludge shear surface, which may cause greater damage to the sludge structure.

[0016] Furthermore, a folding plate is fixedly connected to the lower end of the guide plate and extends obliquely toward the shear force buffer space.

[0017] Through the above technical solution, the folded plate buffers the speed of the water flow, which is beneficial for the sewage and the sludge to fully contact each other.

[0018] Furthermore, the inclination angle of the folding plate is 45°.

[0019] Through the above technical solution, the flow dead corners of sewage under the guide plate are reduced, and the occurrence of short-circuit flow (i.e., a significant increase in flow velocity) is also avoided.

[0020] Furthermore, a plurality of trapezoidal grooves are provided on the surface of the folding plate, and the maximum end of the inner wall width of the trapezoidal groove faces the shear force buffer space. The outer wall of the folding plate is rotatably connected with a plurality of trapezoidal plates by installing a pivot. The trapezoidal plates are engaged with the trapezoidal grooves and adapted to the contour of the trapezoidal grooves. A shift block is provided on a side of the second floating block facing the trapezoidal plate. When the second floating block moves upward, the shift block will contact the trapezoidal plate and shift the trapezoidal plate to flip upward.

[0021] Through the above technical solution, when the second floating block moves upward, it will drive the trapezoidal plate to flip upward, thereby making the trapezoidal groove open. When the circulating pump is started, the sewage flow rate in the reaction chamber increases, so that the water flow entering the reaction chamber is dispersed. On the one hand, when the dispersed water flow contacts the sludge, the impact force on the sludge is smaller. On the other hand, due to the increase in the sewage flow rate in the reaction chamber, turbulence may be formed under the folded plate. The turbulence has a large shear force on the microorganisms in the sludge, thereby destroying the microorganisms. By making the trapezoidal groove open, turbulence can be avoided from forming under the folded plate, thereby preventing the microorganisms from being destroyed by the shear force generated by the turbulence.

[0022] Furthermore, the upward surfaces of the multiple trapezoidal plates on the same folding plate are rotatably connected to a connecting shaft, and the guide plate is provided with a reset structure for driving the connecting shaft to move downward so that the surface of the trapezoidal plate is flush with the surface of the folding plate.

[0023] Through the above technical solution, when the trapezoidal plate moves upward, the reset structure will accumulate elastic potential energy. When the second floating block moves downward to reset, the elastic potential energy of the reset structure is released, thereby driving the trapezoidal plate to move downward and closing the trapezoidal groove again.

[0024] An ABR anaerobic process for enhanced wastewater treatment, applied to the wastewater treatment device as described above, comprises: The sewage is transported from the water inlet to the treatment chamber. After filling the reaction chamber, the sewage will flow into the next reaction chamber from the overflow port. When flowing in each reaction chamber, the sludge in the reaction chamber will come into contact with the sewage, and the anaerobic microorganisms in the sludge will treat the sewage. The circulation pump is started intermittently through an external control device. When the circulation pump is started, suction will be generated on the sewage in the reaction chamber. Part of the sewage will enter the circulation pump through the water inlet pipe, and then flow back into the reaction chamber through the water outlet pipe, so that the sewage in the reaction chamber is in a flowing state, increasing the contact between the sewage and the sludge; When the circulation pump is started, the external control device simultaneously starts the sludge shearing component, which will drive the sludge in different areas of the reaction chamber to move up and down alternately, and the sludge movement states of adjacent areas are opposite, thereby subjecting the sludge in the reaction chamber to shear force, and finally the treated sewage will flow into the external equipment from the outlet.

[0025] Through the above technical solution, sludge and sewage can be mixed to a greater extent, thereby improving sewage treatment efficiency.

[0026] The beneficial effects of the present invention are as follows: In the present invention, the circulating pump is started intermittently, thereby generating a circulating flow effect on the sewage in the reaction chamber, promoting the mixing of the sewage and the sludge. In addition, during the start-up of the circulating pump, the sludge shearing component generates an up and down alternating movement on the sludge in different areas of the reaction chamber, thereby causing the sludge in the reaction chamber to be subjected to shear force, thereby generating gaps in the sludge, so that the sewage and the sludge are better mixed. In addition, when the sludge is subjected to shear force and generates shear movement, it can promote the uniform distribution of microorganisms in the sludge and facilitate the diffusion of microorganisms, thereby improving the efficiency of sewage treatment; In the present invention, the crankshaft rotates, so that the swing arm drives the hinge rod to swing back and forth. During the reciprocating swing of the hinge rod, the first floating block and the second floating block are correspondingly driven to move up and down alternately, so that the first floating block and the second floating block generate shear force on the sludge in the reaction chamber, the structure is simple, and the cost is low; In the present invention, when the second floating block moves upward, it will drive the trapezoidal plate to flip upward, thereby making the trapezoidal groove open. When the circulating pump is started, the sewage flow rate in the reaction chamber increases, so that the water flow entering the reaction chamber is dispersed. On the one hand, when the dispersed water flow contacts the sludge, the impact force on the sludge is smaller. On the other hand, due to the increase in the sewage flow rate in the reaction chamber, turbulence may be formed under the folded plate. The turbulence has a large shear force on the microorganisms in the sludge, thereby destroying the microorganisms. By making the trapezoidal groove open, turbulence can be avoided from forming under the folded plate, thereby preventing the microorganisms from being destroyed by the shear force generated by the turbulence. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the overall structure of an ABR anaerobic process enhanced wastewater treatment device in the present invention; Figure 2 yes Figure 1 A schematic diagram of the positional relationship from another perspective; Figure 3 yes Figure 1 Schematic diagram of the positional relationship after the middle part of the structure is cut open; Figure 4 yes Figure 3 A schematic diagram of the positional relationship from another perspective; Figure 5 yes Figure 1 The schematic diagram of the position relationship after the processing chamber is omitted; Figure 6 yes Figure 5A schematic diagram of the positional relationship from another perspective; Figure 7 yes Figure 6 A magnified schematic diagram of the local structure at point A; Figure 8 It is a schematic diagram of the positional relationship of the guide plate, the folding plate and the trapezoidal plate after being assembled in the present invention; Fig. 9 yes Figure 8 A magnified schematic diagram of the local structure at B in the middle; Fig.10 It is a schematic diagram of the positional relationship of the thickened plate, the first floating block and the second floating block after being assembled in the present invention; Fig.11 yes Fig.10 Schematic diagram of the positional relationship from another perspective.

[0028] Figure numerals: 1. water inlet pipe; 2. water outlet pipe; 3. circulation pump; 4. water inlet; 5. processing chamber; 6. thickened plate; 7. exhaust port; 8. sewage outlet; 9. first floating block; 10. second floating block; 11. crankshaft; 12. partition plate; 13. folding plate; 14. threaded sleeve; 15. overflow port; 16. guide plate; 17. water outlet; 18. reaction chamber; 19. elastic member; 20. connecting shaft; 21. trapezoidal plate; 22. shift block; 23. hinge seat; 24. threaded collar; 25. telescopic rod; 26. connecting member; 27. swing arm; 28. hinge rod. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0030] like Figure 1-Figure 11As shown, this embodiment provides an ABR anaerobic process enhanced wastewater treatment device, including a treatment chamber 5 of a baffle reactor, the treatment chamber 5 is hollow inside, and support ears are welded on the outer walls on both sides of the width direction of the treatment chamber 5. Through the support ears, the treatment chamber 5 can be pre-buried and installed on the workshop floor, and the bottom of the treatment chamber 5 can be suspended. The two side walls in the length direction of the treatment chamber 5 are respectively provided with a water inlet 4 and a water outlet 17. The water inlet 4 is connected to the external conveying system through a pipeline, and the external conveying system conveys the sewage to be treated from the water inlet 4 to the treatment chamber 5. The water outlet 17 is connected to an external deep processing device or a collection device through a pipeline. A plurality of partition plates 12 and a plurality of guide plates 16 are vertically fixedly connected to the inner wall of the processing chamber 5 along the length direction of the processing chamber 5. A reaction chamber 18 is formed between the guide plate 16 and an adjacent partition plate 12. An overflow port 15 is provided on the upper side of the partition plate 12. The height of the overflow port 15 is slightly lower than the water inlet 4 and the water outlet 17. A plurality of sewage outlets 8 and exhaust ports 7 are respectively provided on the side wall and the top surface of the processing chamber 5. The sewage outlets 8 and the exhaust ports 7 are respectively connected to the plurality of reaction chambers 18 in sequence. A plurality of circulation pumps 3 are installed on the top of the processing chamber 5 by means of screws. The installation position and the number of the circulation pumps 3 match the reaction chamber 18, that is, each reaction chamber 18 matches a circulation pump 3. The water inlet end and the water outlet end of the circulation pump 3 are respectively and sequentially installed with an inlet pipe 1 and an outlet pipe 2. The lower ends of the inlet pipe 1 and the outlet pipe 2 extend into the reaction chamber 18 of the processing chamber 5. In addition, the lateral spacing between the lower end openings of the inlet pipe 1 and the outlet pipe 2 is relatively large. The circulation pump 3 is powered by an external power supply. At the same time, the circulation pump 3 is intermittently started by an external control cabinet. The interval time of the intermittent start can be set to 2-3 hours. A thickened plate 6 is welded to the bottom of the processing chamber 5, and two groups of floating blocks are vertically slidably penetrated on the bottom surface of the thickened plate 6, and the two groups of floating blocks are defined as a first floating block 9 and a second floating block 10 respectively. The first floating block 9 and the second floating block 10 are staggered, and a sealing through-hole is provided at the bottom of the processing chamber 5 for the first floating block 9 and the second floating block 10 to pass freely. The first floating block 9 and the second floating block 10 are in a sliding sealing state with the inner wall of the sealing through-hole. For example, a sliding sealing ring can be installed on the inner wall of the sealing through-hole, so that the first floating block 9 and the second floating block 10 can be in a sliding sealing state with the inner wall of the sealing through-hole. The outer walls on both sides of the thickened plate 6 corresponding to the width direction of the processing chamber 5 are each integrally fixed with an ear plate extending downward, and the two ear plates at both ends of the same thickened plate 6 are connected to a crankshaft 11 for horizontal rotation together through the installation bearing, and the periphery of the crankshaft 11 is integrally A plurality of swing arms 27 are fixedly connected in a molded manner, and two adjacent swing arms 27 are respectively distributed on both sides of the crankshaft 11 in a radial direction. The swing arms 27 are rotatably connected to hinge rods 28, and one end of the hinge rod 28 away from the swing arms 27 is correspondingly hinged to the bottom of the first floating block 9 and the second floating block 10. The crankshaft 11, the swing arms 27, the first floating block 9 (the second floating block 10) and the hinge rod 28 constitute a crank slider mechanism, so that when the crankshaft 11 rotates, the swing arms 27 will rotate, and then the hinge rod 28 will swing back and forth, and then the first floating block 9 (the second floating block 10) can be driven to move up and down. In addition, the ends of the two adjacent crankshafts 11 are connected by a pulley, and one of the crankshafts 11 is driven to rotate by an external motor, so that when the motor drives the crankshaft 11 to rotate, the other crankshafts 11 can be synchronously rotated through the transmission of the pulley; There is a gap between the opposite surfaces of the first floating block 9 and the second floating block 10 that penetrate into the processing chamber 5. The gap and the inner wall of the processing chamber 5 form a shear force buffer space. The lower end of the guide plate 16 is fixedly connected to a folded plate 13 that extends obliquely toward the shear force buffer space, and the inclination angle of the folded plate 13 is 45° (refer to Figure 8 , the inclination angle is the minimum angle between the width direction of the folding plate 13 and the height direction of the guide plate 16), a plurality of trapezoidal grooves are provided on the surface of the folding plate 13, and the maximum end of the inner wall width of the trapezoidal groove faces the shear force buffer space. Furthermore, each shear force buffer space corresponds to the center of the trapezoidal plate 21, and the outer wall of the folding plate 13 is rotatably connected with a plurality of trapezoidal plates 21 by installing a pivot. The trapezoidal plates 21 are engaged in the trapezoidal grooves and are adapted to the contour of the trapezoidal grooves. A shift block 22 is provided on a side of the second floating block 10 facing the trapezoidal plate 21. When the second floating block 10 moves upward, the shift block 22 will contact the trapezoidal plate 21 and shift the trapezoidal plate 21 to flip upward.

[0031] An ear block is fixedly connected to the upward side of the trapezoidal plate 21, and a connecting shaft 20 is rotatably connected between the ear blocks of multiple trapezoidal plates 21 on the same folding plate 13. A connecting piece 26 is rotatably mounted on the connecting shaft 20. A hinge seat 23 is connected to the surface of the guide plate 16 by screws. A threaded sleeve 14 is hinged on the hinge seat 23. A telescopic rod 25 is coaxially telescopically mounted in the threaded sleeve 14. In addition, a stop block is provided at one end of the telescopic rod 25 that penetrates into the threaded sleeve 14, so that the telescopic rod 25 will not be separated from the threaded sleeve 14. A threaded collar 24 is threadedly mounted on the peripheral edge of the threaded sleeve 14. An elastic member 19 is provided between the threaded collar 24 and the connecting piece 26. When the ladder When the trapezoidal plate 21 moves upwards by the second floating block 10 and is pushed upwards by the shifting block 22, the trapezoidal plate 21 will flip upwards around the axial direction of the pivot, and the connecting shaft 20 drives the connecting member 26 to move upwards, so that the connecting member 26 compresses the elastic member 19, and the elastic member 19 accumulates elastic potential energy, and at the same time, the telescopic rod 25 is retracted into the threaded sleeve 14. When the second floating block 10 moves downwards to reset the welding wire, the elastic potential energy of the elastic member 19 is released, thereby driving the connecting member 26 to move downwards, so that the telescopic rod 25 can extend from the threaded sleeve 14, and the trapezoidal plate 21 can quickly move downwards and reset. In addition, in this embodiment, the elastic member 19 can be set as a spring.

[0032] The working principle of this embodiment is as follows: The external conveying system conveys the sewage to be treated from the water inlet 4 to the treatment chamber 5, and then enters the Figure 3 In the first reaction chamber 18 shown, during the process of flowing into the reaction chamber 18, the water flow is interfered by the folding plate 13, thereby avoiding the flow dead corner under the guide plate 16 and avoiding the short-circuit flow by reducing the water flow speed. The sludge in the sewage will accumulate in the reaction chamber 18, and the anaerobic microorganisms in the sludge will contact the sewage and react with the organic matter in the sewage. When the sewage water level in the first reaction chamber 18 reaches the height of the overflow port 15, the sewage will enter the second reaction chamber 18 and repeat the above-mentioned treatment process. The circulation pump 3 is started intermittently by an external control device. When the circulation pump 3 is started, part of the sewage in the reaction chamber 18 is pumped out through the water inlet pipe 1, and then flows back into the reaction chamber 18 through the water outlet pipe 2, thereby increasing the flow rate of the sewage in the reaction chamber 18 and improving the contact with the sludge. When the circulation pump 3 is started, the external control device controls the external motor to start, so that the crankshaft 11 rotates. When the crankshaft 11 rotates, the swing arm 27 drives the hinge rod 28 to swing back and forth. During the reciprocating swing of the hinge rod 28, the first floating block 9 and the second floating block 10 are correspondingly driven to move up and down alternately, so that the first floating block 9 and the second floating block 10 generate a lifting force on the sludge in the reaction chamber 18, so that the sludge in different areas of the reaction chamber 18 has opposite movement states, thereby enabling the sludge to generate shear force. When the sludge is subjected to shear force, a larger gap will be formed on the shear surface, so that the sewage can fully enter the sludge and mix with the sludge; In addition, when the second floating block 10 moves upward, the shifting block 22 will lift the trapezoidal plate 21, so that the trapezoidal plate 21 will flip upward around the axial direction of the pivot. When flipping upward, the mouth of the trapezoidal groove will be opened, so that when the circulation pump 3 is started, the sewage flow rate in the reaction chamber 18 will increase, so that the water flow entering the reaction chamber 18 will be dispersed. On the one hand, when the dispersed water flow contacts the sludge, the impact force on the sludge is smaller. On the other hand, the increase in the sewage flow rate in the reaction chamber 18 may form turbulence under the folding plate 13. The turbulence has a large shear force on the microorganisms in the sludge, thereby destroying the microorganisms. By opening the trapezoidal groove, turbulence is avoided under the folding plate 13, thereby preventing the microorganisms from being destroyed by the shear force generated by the turbulence. After the above-mentioned treatment, the sewage will flow from the last reaction chamber 18 into the outlet 17, and then enter the subsequent deep treatment equipment for deep treatment, or enter the external collection equipment for collection and treatment.

[0033] The above are only preferred embodiments of the present invention and are not intended to limit the protection scope of the present invention.

Claims

1. An ABR anaerobic process enhanced wastewater treatment device, comprising a treatment chamber (5) of a baffle reactor, wherein the two side walls of the treatment chamber (5) in the length direction are respectively provided with a water inlet (4) and a water outlet (17), the inner wall of the treatment chamber (5) is vertically fixed with a plurality of partition plates (12) and a plurality of guide plates (16) along the length direction of the treatment chamber (5), the guide plate (16) and an adjacent partition plate (12) enclose a reaction chamber (18), the upper side of the partition plate (12) is provided with an overflow port (15), characterized in that: Also includes: A plurality of circulation pumps (3) are installed on the top of the processing chamber (5), wherein the water inlet end and the water outlet end of the circulation pump (3) are respectively and sequentially installed with a water inlet pipe (1) and a water outlet pipe (2), and the lower ends of the water inlet pipe (1) and the water outlet pipe (2) extend into the reaction chamber (18) of the processing chamber (5); A plurality of sludge shearing components are arranged at the bottom of the processing bin (5), the plurality of sludge shearing components respectively corresponding to the plurality of reaction chambers (18), and are used to generate shear force on the sludge in the reaction chamber (18) when the circulation pump (3) is started.

2. The ABR anaerobic process enhanced wastewater treatment device according to claim 1, characterized in that: The side walls and top surface of the processing chamber (5) are respectively provided with a plurality of sewage outlets (8) and exhaust outlets (7), and the sewage outlets (8) and exhaust outlets (7) are respectively connected to the plurality of reaction chambers (18) in sequence.

3. The ABR anaerobic process enhanced wastewater treatment device according to claim 1, characterized in that: The sludge shearing assembly comprises a thickened plate (6) fixedly connected to the bottom of the processing chamber (5); two groups of floating blocks are vertically slidably penetrated on the surface of the thickened plate (6); the two groups of floating blocks are respectively defined as a first floating block (9) and a second floating block (10); the first floating block (9) and the second floating block (10) are staggeredly distributed; a sealing through hole is opened at the bottom of the processing chamber (5) for the first floating block (9) and the second floating block (10) to freely pass through; the first floating block (9) and the second floating block (10) are in a sliding sealing state with the inner wall of the sealing through hole; and a lifting drive unit for driving the first floating block (9) and the second floating block (10) to slide vertically alternately is provided on the thickened plate (6).

4. The ABR anaerobic process enhanced wastewater treatment device according to claim 3, characterized in that: The lifting drive unit comprises ear plates integrally fixed to both ends of the thickened plate (6); the ear plates at both ends of the same thickened plate (6) are horizontally rotatably connected to a crankshaft (11); a plurality of swing arms (27) are integrally fixed to the periphery of the crankshaft (11); two adjacent swing arms (27) are respectively distributed on both sides of the radial direction of the crankshaft (11); the swing arms (27) are rotatably connected to a hinge rod (28); one end of the hinge rod (28) away from the swing arm (27) is correspondingly hinged to the bottom of the first floating block (9) and the bottom of the second floating block (10).

5. The ABR anaerobic process enhanced wastewater treatment device according to claim 3, characterized in that: There is a gap between the opposing surfaces of the first floating block (9) and the second floating block (10) at the locations where they penetrate into the processing chamber (5), and the gap and the inner wall of the processing chamber (5) form a shear force buffer space.

6. The ABR anaerobic process enhanced wastewater treatment device according to claim 5, characterized in that: A folded plate (13) is fixedly connected to the lower end of the guide plate (16) and extends obliquely toward the shear force buffer space.

7. The ABR anaerobic process enhanced wastewater treatment device according to claim 6, characterized in that: The inclination angle of the folding plate (13) is 45°.

8. The ABR anaerobic process enhanced wastewater treatment device according to claim 6, characterized in that: A plurality of trapezoidal grooves are provided on the surface of the folding plate (13), the maximum end of the inner wall width of the trapezoidal grooves faces the shear force buffer space, the outer wall of the folding plate (13) is rotatably connected with a plurality of trapezoidal plates (21) via an installation pivot, the trapezoidal plates (21) are engaged with the trapezoidal grooves and are adapted to the contour of the trapezoidal grooves, and a shifting block (22) is provided on a side of the second floating block (10) facing the trapezoidal plate (21), and when the second floating block (10) moves upward, the shifting block (22) will contact the trapezoidal plate (21) and shift the trapezoidal plate (21) to flip upward.

9. The ABR anaerobic process enhanced wastewater treatment device according to claim 8, characterized in that: The upward surfaces of the plurality of trapezoidal plates (21) on the same folding plate (13) are rotatably connected to a connecting shaft (20) together, and the guide plate (16) is provided with a reset structure for driving the connecting shaft (20) to move downward so that the surface of the trapezoidal plate (21) is flush with the surface of the folding plate (13).

10. An ABR anaerobic process for enhanced wastewater treatment, applied to the wastewater treatment device according to any one of claims 1 to 9, characterized in that: include: The sewage is transported from the water inlet (4) to the treatment chamber (5). After the sewage fills the reaction chamber (18), it flows from the overflow port (15) into the next reaction chamber (18). When the sewage flows in each reaction chamber (18), the sludge in the reaction chamber (18) comes into contact with the sewage, and the anaerobic microorganisms in the sludge treat the sewage. The circulation pump (3) is started intermittently by an external control device. When the circulation pump (3) is started, suction is generated on the sewage in the reaction chamber (18). Part of the sewage enters the circulation pump (3) through the water inlet pipe (1) and then flows back into the reaction chamber (18) through the water outlet pipe (2), so that the sewage in the reaction chamber (18) is in a flowing state, thereby increasing the contact between the sewage and the sludge; When the circulation pump (3) is started, the external control device simultaneously starts the sludge shearing component, which drives the sludge in different areas of the reaction chamber (18) to move up and down alternately, and the movement states of the sludge in adjacent areas are opposite, thereby causing the sludge in the reaction chamber (18) to be subjected to shear force, and the treated sewage will eventually flow into the external device from the outlet (17).

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