Environment-friendly solid-liquid separation device for sewage treatment
By introducing a combination of separation filter and stirring rod design into the sewage treatment device, double-layer filtration and interception of sewage is achieved, solving the problem of poor solid-liquid separation in existing devices, and improving the efficiency of sewage treatment and the stability of equipment operation.
Patent Information
- Application Number
- CN202422828679.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-20
- Publication Date
- 2025-09-26
- Estimated Expiration
- 2034-11-20
AI Technical Summary
The existing sewage treatment solid-liquid separation equipment cannot effectively guarantee the solid-liquid separation effect of sewage, affecting the subsequent treatment process.
It adopts a combination design of separation filter and stirring rod. The motor drives the rotating shaft to drive the stirring rod to rotate, so as to achieve secondary filtration and interception of sewage. It is equipped with a cleaning brush to remove impurities, and combines the grid net for preliminary separation and sedimentation treatment to form a double-layer filtration system.
It improves the effect and efficiency of solid-liquid separation of sewage, ensures the smooth progress of subsequent treatment process, and avoids equipment blockage and impurity accumulation.
Smart Images
Figure CN223381265U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of sewage treatment, in particular to an environmentally friendly solid-liquid separation device for sewage treatment. Background Art
[0002] Wastewater treatment is the process of treating wastewater using physical, chemical and biological methods to purify the wastewater, reduce pollution, and achieve wastewater recovery and reuse, making full use of water resources. It is also the process of purifying wastewater so that it meets the water quality requirements for discharge into a certain water body or reuse.
[0003] During sewage treatment, a solid-liquid separator is required to separate solid matter from the sewage to prevent it from damaging subsequent filtration equipment. Currently, existing sewage treatment solid-liquid separators can separate solids and liquids, but this single solid-liquid separation method cannot guarantee effective solid-liquid separation, impacting subsequent sewage treatment. Utility Model Content
[0004] In response to the above problems, the purpose of the present utility model is to provide an environmentally friendly solid-liquid separation device for sewage treatment, to solve the problem that a single solid-liquid separation cannot guarantee the effect of solid-liquid separation of sewage, affecting the subsequent treatment of sewage, and through the setting of a separation filter, it is used to perform secondary filtration and interception of sewage, and then through double-layer filtration and interception of sewage, the effect of solid-liquid separation of sewage is guaranteed.
[0005] To achieve the above objectives, the technical solution adopted by the present invention is: an environmentally friendly solid-liquid separation device for sewage treatment, comprising a water delivery component, a sedimentation component, a separation component, and a power component, the water delivery component comprising a sewage pipe and a primary sedimentation pipe, the sedimentation component comprising a sedimentation box, a second connecting ring, a sludge pump, and a water pump, the separation component comprising a separation tank, the power component comprising a power box, a rotating shaft, and a sleeve pipe, one end of the sewage pipe is connected to the sewage tank, a grille is provided on the inner side of the primary sedimentation pipe, the water inlet end of the water pump is connected to a first pumping pipe, the end of the first pumping pipe away from the water pump is connected to a second pumping pipe, a pumping hole is provided on the inner side of the circumferential wall of the second pumping pipe, a barrier net is connected on the inner side of the pumping hole, the water outlet end of the water pump is connected to the water delivery pipe, the bottom of the separation tank is connected to a sewage pipe and a drain pipe, the inner side of the separation tank is provided with a separation filter, the outer wall of the rotating shaft is connected to a stirring rod through a sleeve pipe, and the end of the stirring rod away from the sleeve pipe is connected to a cleaning brush.
[0006] The beneficial effects of the utility model are as follows: after the motor is started, the motor starts working and drives the rotation of the rotating shaft. During the rotation process, the rotating shaft drives the rotation of the stirring rod through the sleeve tube. Through the setting of the separation filter, it is used to perform secondary filtration and interception of sewage, and then through the double-layer filtration and interception of sewage, the effect of solid-liquid separation of sewage is guaranteed.
[0007] In order for the sewage transported by the sewage pipe to flow into the primary sedimentation pipe through the sewage tank:
[0008] As a further improvement of the above technical solution: the outer wall of the sewage tank at one end away from the sewage pipe is connected to a first connecting ring, the outer wall of one end of the primary settling pipe is connected to a first connecting ring, the top of the sedimentation tank is connected to a second connecting ring, and the outer wall of the end of the primary settling pipe away from the first connecting ring is connected to a second connecting ring, and the first connecting ring and the second connecting ring both include rubber sealing rings.
[0009] The beneficial effects of this improvement are: through the setting of the first connecting ring, it is used to seal and connect two adjacent first connecting rings through bolts, thereby realizing a sealed connection between the sewage tank and the primary sedimentation pipe, and then the sewage transported by the sewage pipe flows into the primary sedimentation pipe through the sewage tank, and through the setting of the second connecting ring, it is used to connect the primary sedimentation pipe and the sedimentation tank.
[0010] In order to carry out secondary solid-liquid separation treatment on the sewage flowing into the separation tank:
[0011] As a further improvement of the above technical solution: the upper and lower ends of the separation filter are symmetrically connected with mounting rings, and the ends of the two mounting rings away from the separation filter are connected to the inner wall of the separation tank through bolts.
[0012] The beneficial effect of this improvement is: through the setting of two mounting rings, the separation filter is installed on the inner side of the separation tank, and through the setting of the separation filter, the sewage flowing into the separation tank is subjected to secondary solid-liquid separation treatment.
[0013] In order to discharge the water after two solid-liquid separations:
[0014] As a further improvement of the above technical solution: the top of the drain pipe passes through the lower bottom wall of the separation tank and extends to be connected with the inner cavity of the separation tank, and the drain pipe is connected with a valve. The top of the sewage pipe passes through the lower bottom wall of the separation tank and extends to be connected with the inner cavity of the separation tank, and the sewage pipe is connected with a valve.
[0015] The beneficial effects of this improvement are: through the setting of the sewage pipe, it is used to discharge the solid impurities intercepted by the separation filter, and through the setting of the drainage pipe, it is used to discharge the water body after two solid-liquid separations.
[0016] In order to ensure the effect of solid-liquid separation of sewage through double-layer filtration and interception of sewage:
[0017] As a further improvement of the above technical solution: a motor is provided on the inner side of the power box, the motor is electrically connected to the operation panel, the output end of the motor is connected to the rotating shaft through a coupling, the end of the rotating shaft away from the motor is rotatably connected to the inner wall of the lower bottom surface of the separation tank through a bearing, a rotating shaft is provided on the inner side of the separation filter, and the outer ring of the rotating shaft is connected to a sleeve pipe.
[0018] The beneficial effects of this improvement are: after starting the motor, the motor starts working and drives the rotation of the rotating shaft. During the rotation process, the rotating shaft drives the rotation of the stirring rod through the sleeve. Through the setting of the separation filter, it is used to perform secondary filtration and interception of the sewage, and then through the double-layer filtration and interception of the sewage, the effect of solid-liquid separation of the sewage is guaranteed.
[0019] In order to clean the impurities attached to the separation filter during the rotation of the cleaning brush, it is used to ensure the smooth flow of water through the separation filter:
[0020] As a further improvement of the above technical solution: two cleaning brushes are provided, and the two cleaning brushes are symmetrically installed at the two ends of the sleeve through the stirring rod, and the bristles of the cleaning brushes fit the inner wall of the separation filter.
[0021] The beneficial effect of this improvement is that when the rotating shaft rotates under the drive of the motor, the rotating shaft drives the rotation of the stirring rod through the sleeve during the rotation process, thereby realizing the rotation of the cleaning brush. The cleaning brush brushes off the impurities attached to the separation filter during the rotation process, which is used to ensure the smooth flow of water through the separation filter, thereby ensuring the efficiency of solid-liquid separation in the sewage treatment process.
[0022] In order to centrally clean the solid impurities intercepted by the grid:
[0023] As a further improvement of the above technical solution: the inner wall of the primary sinking tube is connected to a guide platform integrally formed therewith, the outer wall of the circumference of the grille is connected to a mounting clamp, and a mounting groove is provided on the inner side of the lower bottom wall of the primary sinking tube, and the mounting clamp is installed on the inner side of the mounting groove by bolts.
[0024] The beneficial effects of this improvement are as follows: the sewage collected by the guide table flows onto the screen mesh, and the screen mesh performs preliminary filtration and interception on the solid impurities in the sewage, thereby realizing preliminary solid-liquid separation treatment of the sewage, and then the sewage after preliminary solid-liquid separation flows into the sedimentation tank for sedimentation treatment. When the screen mesh needs to be cleaned, first release the connection between the adjacent second connecting ring, and then release the connection between the mounting clip and the mounting slot, and take the screen mesh out of the primary sedimentation pipe. The screen mesh can then be cleaned, and at the same time, it is used to centrally clean the solid impurities intercepted by the screen mesh.
[0025] In order to prevent solid impurities from flowing into the separation tank and to avoid blockage of the pumping pipe and the water pipe:
[0026] As a further improvement of the above technical solution: the sludge pump and the water pump are both electrically connected to the operation panel, the output end of the sludge pump is connected to a sludge discharge pipe, the end of the sludge discharge pipe away from the sludge pump passes through the wall of the sedimentation tank and extends to the inner side of the sedimentation tank, and the end of the water pipe away from the water pump passes through the wall of the separation tank and extends to the inner side of the separation tank.
[0027] The beneficial effects of this improvement are as follows: after the first solid-liquid separation, the sewage flows into the sedimentation tank for sedimentation treatment. When the sludge in the sedimentation tank needs to be discharged, the sludge pump is started. After the sewage has completed sedimentation in the sedimentation tank, the water pump is started. The water in the sedimentation tank flows into the water pump hole and is transported to the separation tank through the water pipe for secondary solid-liquid separation. The barrier net is set to prevent solid impurities from flowing into the separation tank and to avoid blockage of the pumping pipe and the water pipe. BRIEF DESCRIPTION OF THE DRAWINGS
[0028] Figure 1 This is a schematic diagram of the front cross-sectional structure of the sedimentation box of the present invention.
[0029] Figure 2 for Figure 1 Schematic diagram of the enlarged structure at point A in the middle.
[0030] Figure 3 This is a schematic cross-sectional structural diagram of the separation tank of the present invention.
[0031] Figure 4 It is a schematic cross-sectional structural diagram of the guide platform of the utility model.
[0032] Figure 5 It is a schematic diagram of the three-dimensional structure of the primary sinking tube of the present utility model.
[0033] In the figure: 1. Water supply assembly; 11. Sewage pipe; 12. Sewage tank; 13. First connecting ring; 14. Primary sedimentation pipe; 15. Mounting slot; 16. Grille; 17. Mounting ring; 18. Guide platform; 2. Sedimentation assembly; 21. Sedimentation tank; 22. Second connecting ring; 23. Sludge pump; 24. Sludge discharge pipe; 25. Water pump; 26. Pumping pipe 1; 27. Pumping pipe 2; 28. Pumping hole; 281. Barrier net; 29. Water supply pipe; 3. Separation assembly; 31. Separation tank; 32. Sewage pipe; 33. Drain pipe; 34. Separation filter; 35. Mounting ring; 4. Power assembly; 41. Power box; 42. Motor; 43. Rotating shaft; 44. Socket; 45. Cleaning brush; 46. Stirring rod. DETAILED DESCRIPTION
[0034] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention is described in detail below with reference to the accompanying drawings. The description in this part is only exemplary and explanatory and should not have any limiting effect on the scope of protection of the present invention.
[0035] like Figure 1-5As shown, an environmentally friendly solid-liquid separation device for sewage treatment includes a water delivery component 1, a sedimentation component 2, a separation component 3, and a power component 4. The water delivery component 1 includes a sewage pipe 11 and a primary sedimentation pipe 14. The sedimentation component 2 includes a sedimentation box 21, a second connecting ring 22, a sludge pump 23, and a water pump 25. The separation component 3 includes a separation tank 31. The power component 4 includes a power box 41, a rotating shaft 43, and a sleeve pipe 44. One end of the sewage pipe 11 is connected to the sewage tank 12. The inner side of the primary sedimentation pipe 14 is provided with a grid 16. The water inlet end of the water pump 25 is connected to a water pumping pipe 26. The end of the water pumping pipe 26 away from the water pump 25 is connected to the It is connected to two water pumping pipes 27, and a water pumping hole 28 is opened inside the peripheral wall of the two water pumping pipes 27. The inner side of the water pumping hole 28 is connected to a barrier net 281. The water outlet end of the water pump 25 is connected to a water pipe 29. The bottom of the separation tank 31 is connected to a sewage pipe 32 and a drain pipe 33. A separation filter 34 is provided on the inner side of the separation tank 31. The outer wall of the rotating shaft 43 is connected to a stirring rod 46 through a sleeve pipe 44. The end of the stirring rod 46 away from the sleeve pipe 44 is connected to a cleaning brush 45. The outer wall of the end of the sewage tank 12 away from the sewage pipe 11 is connected to the first connecting ring 13, and the outer wall of one end of the primary sinking pipe 14 is connected to the first connecting ring 13, the top of the sedimentation box 21 is connected with a second connecting ring 22, and the outer wall of the end of the primary sedimentation tube 14 away from the first connecting ring 13 is connected with a second connecting ring 22, and the first connecting ring 13 and the second connecting ring 22 both include rubber sealing rings; through the setting of the first connecting ring 13, it is used to seal and connect two adjacent first connecting rings 13 through bolts to achieve a sealed connection between the sewage tank 12 and the primary sedimentation tube 14, and then the sewage transported by the sewage pipe 11 flows into the primary sedimentation tube 14 through the sewage tank 12, and is used to connect the primary sedimentation tube 14 to the sedimentation box 21 through the setting of the second connecting ring 22, and the upper and lower ends of the separation filter 34 are symmetrically connected with the installation ring. Mounting rings 35, one end of the two mounting rings 35 away from the separation filter 34 is connected to the inner wall of the separation tank 31 by bolts; the two mounting rings 35 are used to install the separation filter 34 on the inner side of the separation tank 31, and the separation filter 34 is used to perform secondary solid-liquid separation on the sewage flowing into the separation tank 31. The top of the drain pipe 33 passes through the lower bottom wall of the separation tank 31 and extends to communicate with the inner cavity of the separation tank 31. The drain pipe 33 is connected to a valve. The top of the sewage pipe 32 passes through the lower bottom wall of the separation tank 31 and extends to communicate with the inner cavity of the separation tank 31. The sewage pipe 32 is connected to a valve.The sewage pipe 32 is provided for discharging the solid impurities intercepted by the separation filter 34, and the drain pipe 33 is provided for discharging the water body after two solid-liquid separations. The inner side of the power box 41 is provided with a motor 42, and the motor 42 is electrically connected to the operation panel. The output end of the motor 42 is connected to the rotating shaft 43 through a coupling, and the end of the rotating shaft 43 away from the motor 42 is rotatably connected to the inner wall of the lower bottom surface of the separation tank 31 through a bearing. The inner side of the separation filter 34 is provided with a rotating shaft 43, and the outer ring of the rotating shaft 43 is connected to the sleeve pipe 44; after starting the operation of the motor 42, the motor 42 works and drives the rotation of the rotating shaft 43, and the rotating shaft 43 is rotated. During the rotation, the stirring rod 46 is driven to rotate by the sleeve pipe 44, and the separation filter 34 is set to perform secondary filtration and interception of sewage, and then the double-layer filtration and interception of sewage is used to ensure the solid-liquid separation effect of sewage. There are two cleaning brushes 45, and the two cleaning brushes 45 are symmetrically installed at the two ends of the sleeve pipe 44 through the stirring rod 46. The bristles of the cleaning brush 45 fit the inner wall of the separation filter 34; when the rotating shaft 43 is rotated by the motor 42, the rotating shaft 43 drives the rotation of the stirring rod 46 through the sleeve pipe 44 during the rotation process, thereby realizing the rotation of the cleaning brush 45, and the cleaning brush 45 cleans the impurities attached to the separation filter 34 during the rotation process. The wastewater is brushed off to ensure that the water passes through the separation filter 34 smoothly, thereby ensuring the efficiency of solid-liquid separation in the sewage treatment process. The inner wall of the primary sedimentation tube 14 is connected to a guide platform 18 integrally formed therewith, and the outer wall of the circumference of the grille 16 is connected to a mounting clamp 17. The inner side of the lower bottom wall of the primary sedimentation tube 14 is provided with a mounting groove 15, and the mounting clamp 17 is installed on the inner side of the mounting groove 15 by bolts; the sewage collected by the guide platform 18 flows into the grille 16, and the grille 16 performs preliminary filtration and interception on the solid impurities in the sewage to achieve preliminary solid-liquid separation of the sewage, and then the sewage after preliminary solid-liquid separation flows into the sedimentation tank 21 for sedimentation. When it is necessary to clean the grille mesh 16, first release the connection between the adjacent second connecting ring 22, then release the connection between the mounting clamp 17 and the mounting slot 15, and take the grille mesh 16 out of the primary sedimentation tube 14. The grille mesh 16 can be cleaned and at the same time, the solid impurities intercepted by the grille mesh 16 can be centrally cleaned. The sludge pump 23 and the water pump 25 are both electrically connected to the operation panel. The output end of the sludge pump 23 is connected to a sludge discharge pipe 24. The end of the sludge discharge pipe 24 away from the sludge pump 23 passes through the wall of the sedimentation tank 21 and extends to the inner side of the sedimentation tank 21. The end of the water pipe 29 away from the water pump 25 passes through the wall of the separation tank 31 and extends to the inner side of the separation tank 31.After the initial solid-liquid separation, the wastewater flows into the sedimentation tank 21 for sedimentation. When the sludge in the sedimentation tank 21 needs to be discharged, the sludge pump 23 is activated. After the wastewater has settled in the sedimentation tank 21, the water pump 25 is activated. The water in the sedimentation tank 21 flows through the pumping hole 28 and is transported through the water pipe 29 to the separation tank 31 for secondary solid-liquid separation. The barrier net 281 is used to prevent solid impurities from flowing into the separation tank 31 and prevent blockage of the pumping pipe 26 and the water pipe 29.
[0036] The working principle of the present invention is as follows: when in use, the first connecting ring 13 is provided to seal and connect two adjacent first connecting rings 13 by bolts, thereby realizing a sealed connection between the sewage tank 12 and the primary sedimentation pipe 14, and then the sewage transported by the sewage pipe 11 flows into the primary sedimentation pipe 14 through the sewage tank 12, and the second connecting ring 22 is provided to connect the primary sedimentation pipe 14 with the sedimentation tank 21, and the sewage collected by the guide platform 18 flows into the grid net 16, and the grid net 16 performs preliminary filtration and interception on the solid impurities in the sewage, realizing preliminary solid-liquid separation treatment of the sewage, and then the sewage after preliminary solid-liquid separation flows into the sedimentation tank 21 for sedimentation. When it is necessary to clean the screen mesh 16, first release the connection between the adjacent second connecting ring 22, then release the connection between the mounting clamp 17 and the mounting slot 15, and take the screen mesh 16 out of the primary sedimentation tube 14. The screen mesh 16 can be cleaned and the solid impurities intercepted by the screen mesh 16 can be cleaned. After the first solid-liquid separation, the sewage flows into the sedimentation tank 21 for sedimentation treatment. When the sludge in the sedimentation tank 21 needs to be discharged, the sludge pump 23 is started. After the sewage is precipitated in the sedimentation tank 21, the water pump 25 is started. The water in the sedimentation tank 21 flows into the water pump hole 28 and is transported through the water pipe 29. The separation tank 31 is put into the secondary solid-liquid separation. The barrier net 281 is set to prevent solid impurities from flowing into the separation tank 31 and to avoid blockage of the pumping pipe 26 and the water pipe 29. After the motor 42 is started, the motor 42 works and drives the rotation of the rotating shaft 43. The rotating shaft 43 drives the rotation of the stirring rod 46 through the sleeve pipe 44 during the rotation. When the rotating shaft 43 rotates under the drive of the motor 42, the rotating shaft 43 drives the rotation of the stirring rod 46 through the sleeve pipe 44 during the rotation, thereby realizing the rotation of the cleaning brush 45. The cleaning brush 45 brushes off the impurities attached to the separation filter 34 during the rotation, which is used to protect the water body. The smooth flow of the separation filter 34 ensures the efficiency of solid-liquid separation during the sewage treatment process. The separation filter 34 is set to perform secondary filtration and interception on the sewage, and then the double-layer filtration and interception of the sewage ensures the effect of solid-liquid separation of the sewage. The two mounting rings 35 are set to install the separation filter 34 on the inner side of the separation tank 31. The separation filter 34 is set to perform secondary solid-liquid separation on the sewage flowing into the separation tank 31. The sewage pipe 32 is set to discharge the solid impurities intercepted by the separation filter 34. The drain pipe 33 is set to discharge the water body after two solid-liquid separations.
[0037] It should be noted that, in this article, the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.
[0038] This article uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only used to help understand the method and core ideas of the present invention. The above is only a preferred implementation method of the present invention. It should be pointed out that due to the limitations of textual expression, there are objectively infinite specific structures. For ordinary technicians in this technical field, without departing from the principles of the present invention, they can make several improvements, modifications or changes, and can also combine the above technical features in an appropriate manner; these improvements, modifications, changes or combinations, or the direct application of the concept and technical solution of the utility model to other occasions without improvement, should be regarded as the scope of protection of the present utility model.
Claims
1. An environmentally friendly solid-liquid separation device for sewage treatment, comprising a water delivery component (1), a sedimentation component (2), a separation component (3), and a power component (4), wherein the water delivery component (1) comprises a sewage pipe (11) and a primary sedimentation pipe (14), the sedimentation component (2) comprises a sedimentation tank (21), a second connecting ring (22), a sludge pump (23), and a water pump (25), the separation component (3) comprises a separation tank (31), and the power component (4) comprises a power box (41), a rotating shaft (43), and a sleeve pipe (44), characterized in that: One end of the sewage pipe (11) is connected to a sewage tank (12), a grille (16) is provided on the inner side of the primary sinking pipe (14), the water inlet end of the water pump (25) is connected to a first pumping pipe (26), the end of the first pumping pipe (26) away from the water pump (25) is connected to a second pumping pipe (27), a pumping hole (28) is provided on the inner side of the peripheral wall of the second pumping pipe (27), and a barrier is connected to the inner side of the pumping hole (28). The water outlet of the water pump (25) is connected to a water pipe (29), the bottom of the separation tank (31) is connected to a sewage pipe (32) and a drainage pipe (33), a separation filter (34) is provided on the inner side of the separation tank (31), the outer wall of the rotating shaft (43) is connected to a stirring rod (46) through a sleeve pipe (44), and the end of the stirring rod (46) away from the sleeve pipe (44) is connected to a cleaning brush (45).
2. The environmentally friendly solid-liquid separation device for sewage treatment according to claim 1, characterized in that: The outer wall of one end of the sewage tank (12) away from the sewage pipe (11) is connected to a first connecting ring (13), the outer wall of one end of the primary sedimentation pipe (14) is connected to the first connecting ring (13), the top of the sedimentation tank (21) is connected to a second connecting ring (22), the outer wall of one end of the primary sedimentation pipe (14) away from the first connecting ring (13) is connected to the second connecting ring (22), and the first connecting ring (13) and the second connecting ring (22) both include rubber sealing rings.
3. The environmentally friendly solid-liquid separation device for sewage treatment according to claim 1, characterized in that: The upper and lower ends of the separation filter (34) are symmetrically connected with mounting rings (35), and the ends of the two mounting rings (35) away from the separation filter (34) are connected to the inner wall of the separation tank (31) through bolts.
4. The environmentally friendly solid-liquid separation device for sewage treatment according to claim 1, characterized in that: The top of the drainage pipe (33) passes through the lower bottom wall of the separation tank (31) and extends to communicate with the inner cavity of the separation tank (31), and the drainage pipe (33) is connected to a valve. The top of the sewage pipe (32) passes through the lower bottom wall of the separation tank (31) and extends to communicate with the inner cavity of the separation tank (31), and the sewage pipe (32) is connected to a valve.
5. The environmentally friendly solid-liquid separation device for sewage treatment according to claim 1, characterized in that: A motor (42) is provided on the inner side of the power box (41), and the motor (42) is electrically connected to the operation panel. The output end of the motor (42) is connected to the rotating shaft (43) through a coupling. The end of the rotating shaft (43) away from the motor (42) is rotatably connected to the inner wall of the lower bottom surface of the separation tank (31) through a bearing. A rotating shaft (43) is provided on the inner side of the separation filter (34), and the outer ring of the rotating shaft (43) is connected to a sleeve pipe (44).
6. The environmentally friendly solid-liquid separation device for sewage treatment according to claim 1, characterized in that: There are two cleaning brushes (45) in total. The two cleaning brushes (45) are symmetrically mounted on the two ends of the sleeve (44) via a stirring rod (46). The bristles of the cleaning brushes (45) fit in contact with the inner wall of the separation filter (34).
7. The environmentally friendly solid-liquid separation device for sewage treatment according to claim 1, characterized in that: The inner wall of the primary sinking tube (14) is connected to a guide platform (18) integrally formed therewith, the outer wall of the circumference of the grille (16) is connected to a mounting clamp (17), and a mounting groove (15) is provided on the inner side of the lower bottom wall of the primary sinking tube (14), and the mounting clamp (17) is mounted on the inner side of the mounting groove (15) by means of bolts.
8. The environmentally friendly solid-liquid separation device for sewage treatment according to claim 1, characterized in that: The sludge pump (23) and the water pump (25) are both electrically connected to the operation panel. The output end of the sludge pump (23) is connected to a sludge discharge pipe (24). The end of the sludge discharge pipe (24) away from the sludge pump (23) penetrates the wall of the sedimentation tank (21) and extends to the inner side of the sedimentation tank (21). The end of the water pipe (29) away from the water pump (25) penetrates the wall of the separation tank (31) and extends to the inner side of the separation tank (31).