Flocculation sedimentation tank for sewage sludge treatment

Abstract

The utility model discloses a flocculation sedimentation tank for sewage sludge treatment, and particularly relates to the technical field of sewage treatment, the flocculation sedimentation tank comprises a fixed frame and a mounting plate, the top of the fixed frame is fixedly connected with a flocculation bin, the top of the fixed frame is fixedly connected with two brackets, and two guide rails are fixedly connected between the two brackets; two rotating shafts are rotatably connected to the bottom of the mounting plate, guide wheels are fixedly connected to the two ends of the two rotating shafts, the guide wheels are located in the corresponding guide rails, a fixing block is fixedly connected to the top of the mounting plate, a first screw rod is rotatably connected between the two supports, and a driving motor is fixedly connected to one end of the flocculation bin. A dosing assembly is arranged at the bottom of the mounting plate, and a deslagging assembly is arranged at one end, away from the driving motor, of the flocculation bin. According to the utility model, sewage in the flocculation bin can be stirred through the dosing assembly, so that a flocculating agent can be distributed more uniformly, and the flocculation efficiency is improved; and residues floating in the sewage can be removed through the residue discharging assembly.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment, and more specifically, to a flocculation sedimentation tank for sewage sludge treatment. Background Art

[0002] A flocculation sedimentation tank is a device for treating industrial wastewater and sewage. Its working principle is to add flocculants to make the suspended matter and colloidal substances in the wastewater coagulate into larger flocs, and then use gravity to settle these flocs, thereby achieving the purpose of purifying water quality.

[0003] In the process of adding flocculants to the flocculation tank, the relatively large volume of the flocculation tank results in uneven distribution of the flocculants in the tank, which in turn affects the water treatment efficiency. In addition, some substances that are difficult to settle will float on the surface of some sewage, and the presence of these substances will affect the water treatment effect. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, an embodiment of the utility model provides a flocculation sedimentation tank for sewage sludge treatment. The technical problem to be solved by the present invention is that when flocculants are added to the traditional flocculation tank, the flocculants are unevenly distributed, which affects the sedimentation efficiency.

[0005] To achieve the above object, the utility model provides the following technical solution: a flocculation sedimentation tank for sewage sludge treatment, comprising a fixing frame and a mounting plate, the top of the fixing frame is fixedly connected with a flocculation bin, the top of the fixing frame is fixedly connected with two brackets, and two guide rails are fixedly connected between the two brackets;

[0006] The bottom of the mounting plate is rotatably connected to two rotating shafts, both ends of the two rotating shafts are fixedly connected to guide wheels, and the guide wheels are located inside the corresponding guide rails, the top of the mounting plate is fixedly connected to a fixing block, a first screw is rotatably connected between the two brackets, and the first screw is threadedly sleeved inside the fixing block, one end of the flocculation bin is fixedly connected to a driving motor, and the first screw is fixedly connected to the output end of the driving motor, a dosing assembly is provided at the bottom of the mounting plate, and a slag discharge assembly is provided at one end of the flocculation bin away from the driving motor;

[0007] The dosing assembly includes a dosing tube, which is fixedly connected to the bottom of the mounting plate. A plurality of nozzles are installed at the bottom of the dosing tube. Two fixed arms are fixedly connected to the top of the mounting plate. A stirring rod is rotatably connected to the inside of the two fixed arms, and the stirring rod is located inside the flocculation bin. Racks are fixedly connected to the opposite sides of the two guide rails, and gears are fixedly connected to the outside of the two stirring rods, and the two gears are respectively meshed with corresponding racks.

[0008] like Figure 1-3As shown, the specific implementation method is: by adding flocculant into the inside of the dosing pipe, the flocculant can be sprayed into the flocculation bin through multiple nozzles, and then the first screw is driven to rotate by the driving motor, and then the mounting plate is driven to move by the fixed block under the action of the thread, and then the stirring rod is driven to move by the fixed arm, and then the stirring rod can be made to rotate automatically during the movement through the meshing rack and gear, so that the sewage inside the flocculation bin can be stirred, so that the flocculant can be distributed more evenly and the flocculation efficiency can be improved. The floating residue in the sewage can be removed by the provided slag discharge component.

[0009] In a preferred embodiment, the slag discharge assembly includes two support plates, and the two support plates are respectively fixedly connected to two sides of the flocculation bin, a driving roller is rotatably connected between the two support plates, a driven roller is rotatably connected to the inner side of the flocculation bin, and a slag discharge belt is rotatably connected to the outside of the driving roller and the driven roller, a slag discharge motor is fixedly connected to the outer side of one of the support plates, and the driving roller is fixedly connected to the output end of the slag discharge motor.

[0010] The driving roller is driven to rotate by the slag discharge motor, and then the slag discharge belt is rotated under the support of the driven roller, so that the floating residue in the sewage can be removed.

[0011] In a preferred embodiment, the interior of the mounting plate is fixedly connected to two sliding sleeves, the interior of the two sliding sleeves is slidably sleeved with an insert rod, the bottom of the insert rod is fixedly connected to a scraper, the top of the mounting plate is fixedly connected to a fixing seat, the top of the fixing seat is fixedly connected to a second screw, the interior of the insert rod is rotatably connected to a threaded sleeve, and the second screw is threadedly sleeved inside the threaded sleeve.

[0012] The scraper provided can scrape the residue floating on the sewage surface to the surface of the slag discharge belt, thereby removing the residue. The plug rod can be moved up and down by rotating the threaded sleeve, thereby adjusting the height of the scraper, and further removing the residue floating on the sewage surface at different water levels.

[0013] In a preferred embodiment, a scraper plate is fixedly connected between the two support plates, and the slag discharge belt is in contact with the scraper plate.

[0014] The scraper plate can be used to remove debris on the surface of the slag discharge belt.

[0015] In a preferred embodiment, the scraper is a comb-shaped structure.

[0016] The scraper with a comb-like structure can reduce the resistance of the scraper moving in the sewage.

[0017] In a preferred embodiment, a hand wheel is fixedly connected to the outside of the threaded sleeve.

[0018] The hand wheel provided can make rotating the threaded sleeve more labor-saving.

[0019] Technical effects and advantages of the utility model:

[0020] 1. Add flocculant into the dosing pipe, and then spray the flocculant into the flocculation bin through multiple nozzles. Then, start the driving motor to drive the first screw to rotate. Then, under the action of the screw thread, the mounting plate is driven to move through the fixed block, and then the stirring rod is driven to move through the fixed arm. Then, the stirring rod can rotate automatically during the movement through the meshing rack and gear, so as to stir the sewage in the flocculation bin, so as to make the flocculant more evenly distributed and improve the flocculation efficiency.

[0021] 2. The scraper is driven to move in the sewage by the mounting plate, so that the residue floating on the sewage surface can be scraped to the surface of the slag discharge belt. Then, the driving roller is driven to rotate by the slag discharge motor. Then, the slag discharge belt can be rotated under the support of the driven roller, so that the residue floating in the sewage can be removed. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0023] Figure 2 It is a schematic diagram of the overall cross-sectional structure of the utility model.

[0024] Figure 3 for Figure 1 Schematic diagram of the enlarged structure at point A in the middle.

[0025] The accompanying drawings are marked as follows: 1. fixed frame; 2. bracket; 3. guide rail; 4. mounting plate; 5. rotating shaft; 6. guide wheel; 7. fixed arm; 8. stirring rod; 9. rack; 10. gear; 11. first screw; 12. fixed block; 13. driving motor; 14. dosing pipe; 15. nozzle; 16. sliding sleeve; 17. plug rod; 18. scraper; 19. fixed seat; 20. threaded sleeve; 21. second screw; 22. hand wheel; 23. support plate; 24. driving roller; 25. driven roller; 26. slag discharge belt; 27. slag discharge motor; 28. scraper plate; 29. ​​flocculation bin. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] The utility model provides a flocculation sedimentation tank for sewage sludge treatment, comprising a fixing frame 1 and a mounting plate 4, wherein a flocculation bin 29 is fixedly connected to the top of the fixing frame 1, two brackets 2 are fixedly connected to the top of the fixing frame 1, and two guide rails 3 are fixedly connected between the two brackets 2;

[0028] The bottom of the mounting plate 4 is rotatably connected to two rotating shafts 5, both ends of the two rotating shafts 5 are fixedly connected to guide wheels 6, and the guide wheels 6 are located inside the corresponding guide rails 3. The top of the mounting plate 4 is fixedly connected to a fixing block 12, and a first screw 11 is rotatably connected between the two brackets 2, and the first screw 11 is threadedly sleeved inside the fixing block 12. One end of the flocculation bin 29 is fixedly connected to a driving motor 13, and the first screw 11 is fixedly connected to the output end of the driving motor 13. A dosing assembly is provided at the bottom of the mounting plate 4, and a slag discharge assembly is provided at one end of the flocculation bin 29 away from the driving motor 13;

[0029] The dosing assembly includes a dosing tube 14, which is fixedly connected to the bottom of the mounting plate 4. A plurality of nozzles 15 are installed at the bottom of the dosing tube 14. Two fixed arms 7 are fixedly connected to the top of the mounting plate 4. A stirring rod 8 is rotatably connected to the inside of the two fixed arms 7, and the stirring rod 8 is located inside the flocculation bin 29. Racks 9 are fixedly connected to the opposite sides of the two guide rails 3, and gears 10 are fixedly connected to the outside of the two stirring rods 8, and the two gears 10 are respectively meshed with the corresponding racks 9.

[0030] like Figure 1-3 As shown, the specific implementation method is: by adding flocculant into the dosing pipe 14, the flocculant can be sprayed into the flocculation bin 29 through multiple nozzles 15, and then the first screw 11 is driven to rotate by the driving motor 13, and then the mounting plate 4 is driven to move by the fixed block 12 under the action of the thread, and then the stirring rod 8 is driven to move by the fixed arm 7, and then the stirring rod 8 can be made to rotate automatically during the movement through the meshing rack 9 and gear 10, so that the sewage in the flocculation bin 29 can be stirred, so that the flocculant can be distributed more evenly and the flocculation efficiency can be improved. The floating residue in the sewage can be removed by the provided slag discharge assembly.

[0031] The slag discharge assembly includes two support plates 23, and the two support plates 23 are respectively fixedly connected to the two sides of the flocculation bin 29, a driving roller 24 is rotatably connected between the two support plates 23, a driven roller 25 is rotatably connected to the inner side of the flocculation bin 29, and a slag discharge belt 26 is rotatably connected to the outside of the driving roller 24 and the driven roller 25, a slag discharge motor 27 is fixedly connected to the outer side of one of the support plates 23, and the driving roller 24 is fixedly connected to the output end of the slag discharge motor 27.

[0032] like Figure 1-2 As shown, the specific implementation method is: the driving roller 24 is driven to rotate by the slag discharge motor 27, and then the slag discharge belt 26 can be rotated under the support of the driven roller 25, so that the floating residue in the sewage can be removed.

[0033] The interior of the mounting plate 4 is fixedly connected to two sliding sleeves 16, the interior of the two sliding sleeves 16 is slidably sleeved with an insert rod 17, the bottom of the insert rod 17 is fixedly connected to a scraper 18, the top of the mounting plate 4 is fixedly connected to a fixing seat 19, the top of the fixing seat 19 is fixedly connected to a second screw rod 21, the interior of the insert rod 17 is rotatably connected to a threaded sleeve 20, and the second screw rod 21 is threadedly sleeved inside the threaded sleeve 20.

[0034] like Figure 1-3 As shown, the specific implementation method is: the scraper 18 can be set to scrape the residue floating on the sewage surface to the surface of the slag discharge belt 26, so that the residue can be removed, and the plug rod 17 can be moved up and down by rotating the threaded sleeve 20, so that the height of the scraper 18 can be adjusted, and then the residue floating on the sewage surface at different water levels can be removed.

[0035] A scraper plate 28 is fixedly connected between the two support plates 23 , and the slag discharge belt 26 is in contact with the scraper plate 28 .

[0036] like Figure 1-2 As shown, the specific implementation is that the debris on the surface of the slag discharge belt 26 can be removed by the provided scraper plate 28 .

[0037] The scraper 18 is a comb-shaped structure.

[0038] like Figure 1-3 As shown, the specific implementation is: the scraper 18 with a comb-like structure can reduce the resistance of the scraper 18 moving in the sewage.

[0039] A hand wheel 22 is fixedly connected to the outside of the threaded sleeve 20 .

[0040] like Figure 1-3 As shown, the specific implementation is: the hand wheel 22 can be provided to make the rotation of the threaded sleeve 20 more labor-saving.

[0041] Working principle of this utility model:

[0042] When it is necessary to spray flocculants into sewage, firstly, flocculants are added into the dosing pipe 14, and then the flocculants can be sprayed into the flocculation bin 29 through the multiple nozzles 15, and then the first screw 11 is driven to rotate by starting the driving motor 13, and then the mounting plate 4 is driven to move by the fixing block 12 under the action of the thread, and then the stirring rod 8 is driven to move by the fixing arm 7, and then the stirring rod 8 can be rotated by itself during the movement through the meshing rack 9 and the gear 10, so that the sewage inside the flocculation bin 29 can be stirred, so that the flocculants can be distributed more evenly and the flocculation efficiency can be improved;

[0043] When it is necessary to clean the residue floating on the sewage surface, firstly, the scraper 18 is driven to move in the sewage through the mounting plate 4, so that the residue floating on the sewage surface can be scraped to the surface of the slag discharge belt 26, and then the driving roller 24 is driven to rotate by the slag discharge motor 27, and then the slag discharge belt 26 can be rotated under the support of the driven roller 25, so that the residue floating in the sewage can be removed.

[0044] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0045] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0046] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A flocculation sedimentation tank for sewage sludge treatment, comprising a fixing frame (1) and a mounting plate (4), characterized in that: The top of the fixed frame (1) is fixedly connected to a flocculation bin (29), the top of the fixed frame (1) is fixedly connected to two brackets (2), and two guide rails (3) are fixedly connected between the two brackets (2); The bottom of the mounting plate (4) is rotatably connected to two rotating shafts (5), both ends of the two rotating shafts (5) are fixedly connected to guide wheels (6), and the guide wheels (6) are located inside the corresponding guide rails (3); the top of the mounting plate (4) is fixedly connected to a fixing block (12); a first screw (11) is rotatably connected between the two brackets (2), and the first screw (11) is threadedly sleeved inside the fixing block (12); one end of the flocculation bin (29) is fixedly connected to a driving motor (13), and the first screw (11) is fixedly connected to the output end of the driving motor (13); a dosing assembly is provided at the bottom of the mounting plate (4), and a slag discharge assembly is provided at one end of the flocculation bin (29) away from the driving motor (13); The dosing assembly comprises a dosing pipe (14), the dosing pipe (14) being fixedly connected to the bottom of the mounting plate (4), a plurality of nozzles (15) being installed at the bottom of the dosing pipe (14), the top of the mounting plate (4) being fixedly connected to two fixed arms (7), the interiors of the two fixed arms (7) being rotatably connected to stirring rods (8), and the stirring rods (8) being located inside the flocculation bin (29), the two guide rails (3) being fixedly connected to opposite sides thereof with racks (9), the exteriors of the two stirring rods (8) being fixedly connected to gears (10), and the two gears (10) being respectively meshed with corresponding racks (9).

2. A flocculation sedimentation tank for sewage sludge treatment according to claim 1, characterized in that: The slag discharge assembly comprises two support plates (23), the two support plates (23) are respectively fixedly connected to two sides of a flocculation bin (29), a driving roller (24) is rotatably connected between the two support plates (23), a driven roller (25) is rotatably connected to the inner side of the flocculation bin (29), and a slag discharge belt (26) is rotatably connected to the outside of the driving roller (24) and the driven roller (25), a slag discharge motor (27) is fixedly connected to the outer side of one of the support plates (23), and the driving roller (24) is fixedly connected to the output end of the slag discharge motor (27).

3. The flocculation sedimentation tank for sewage sludge treatment according to claim 1, characterized in that: Two sliding sleeves (16) are fixedly connected inside the mounting plate (4), and an insert rod (17) is slidably sleeved inside the two sliding sleeves (16). A scraper (18) is fixedly connected to the bottom of the insert rod (17). A fixing seat (19) is fixedly connected to the top of the mounting plate (4), and a second screw rod (21) is fixedly connected to the top of the fixing seat (19). A threaded sleeve (20) is rotatably connected inside the insert rod (17), and the second screw rod (21) is threadedly sleeved inside the threaded sleeve (20).

4. The flocculation sedimentation tank for sewage sludge treatment according to claim 2, characterized in that: A scraper plate (28) is fixedly connected between the two support plates (23), and the slag discharge belt (26) is in contact with the scraper plate (28).

5. The flocculation sedimentation tank for sewage sludge treatment according to claim 3, characterized in that: The scraper (18) is a comb-shaped structure.

6. The flocculation sedimentation tank for sewage sludge treatment according to claim 3, characterized in that: A hand wheel (22) is fixedly connected to the outside of the threaded sleeve (20).

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