Sewage sedimentation tank

Abstract

According to the technical scheme, the sewage sedimentation tank is characterized in that the sewage sedimentation tank comprises a sedimentation tank body, a supporting frame is movably connected into the sedimentation tank body in a sleeved mode, and a filter screen is fixedly connected into the supporting frame in a sleeved mode. Through mutual cooperation of a second driving motor, a supporting roller, a supporting plate, a movable hole, a gear, a gear, a supporting frame, a filter screen, a movable block, a supporting groove and a mounting rod, sundries on the water surface can be fished, through mutual cooperation of the supporting frame, the filter screen, a limiting rod, a fixing frame and a limiting hole, movement of the supporting frame can be limited, and the service life of the supporting frame is prolonged. A worker moves upwards through the toothed plate to move the supporting frame and the filter screen to the position higher than the water surface, so that impurities floating on sewage are fished up at a time, the effect of fishing the impurities floating on the sewage is achieved, and the worker can conveniently use the sedimentation tank body to treat the sewage.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage sedimentation tanks, in particular to a sewage sedimentation tank. Background Art

[0002] A sewage sedimentation tank is a structure that uses sedimentation to remove suspended matter from water, serving as a water purification device. It utilizes natural sedimentation or coagulation to remove suspended matter. Sedimentation tanks are categorized as horizontal or vertical based on the direction of water flow. The effectiveness of sedimentation is determined by the flow rate and residence time of the water in the tank.

[0003] For example, the Chinese patent with the announcement number CN213294810U proposes a sewage sedimentation tank. The patent fixes an infrared reflective strip at the inner angle of the sedimentation tank body, and installs an infrared transceiver linked to the internal water body inside the sedimentation tank body on the inner side of the infrared reflective strip. The infrared transceiver is used to control the opening and closing of a small centrifugal liquid pump, so that clear water bodies at different positions can be extracted, greatly improving the treatment efficiency. However, in this solution, since there may be debris in the sewage, the debris may float on the water surface when the sewage is precipitated in the sedimentation tank body, requiring staff to salvage each debris separately. The process is cumbersome and affects the staff's use of the sedimentation tank body. Utility Model Content

[0004] In response to the shortcomings of the existing technology, the utility model provides a sewage sedimentation tank, which solves the problem that due to the presence of debris in the sewage, the debris may float on the water surface when the sewage is settled in the sedimentation tank body, resulting in the need for staff to salvage each debris separately, which is a cumbersome process and affects the staff's use of the sedimentation tank body.

[0005] The above technical objectives of the present invention are achieved through the following technical solutions:

[0006] A sewage sedimentation tank comprises: a sedimentation tank body, a support frame is movably sleeved inside the sedimentation tank body, and a filter is fixedly sleeved inside the support frame; a salvage component, the salvage component is arranged on the top surface of the sedimentation tank body, and is used to salvage debris floating on the sewage, the salvage component comprises: a support plate, the support plate is fixedly mounted on the top surface of the sedimentation tank body, a mounting frame is fixedly mounted on one side of the support plate, a second drive motor is fixedly mounted on one side of the mounting frame, a support roller is fixedly mounted on one end of a drive shaft of the second drive motor, a movable hole is opened on one side of the support plate, the outer circular wall surface of the support roller is movably sleeved with the inner circular wall surface of the movable hole, a gear is fixedly mounted on one end of the support roller, and one end of the support plate A supporting groove is provided on the side, and a movable block is movably sleeved inside the supporting groove. A circular through hole is provided on the top surface of the movable block. A mounting rod is fixedly installed inside the supporting groove, and the outer circular wall surface of the mounting rod is movably sleeved with the inner circular wall surface of the circular through hole. A tooth plate is fixedly installed on one side of the movable block, and the tooth plate is meshed with the gear, and the bottom surface of the tooth plate is fixedly connected to the top surface of the support frame. Two fixing frames are fixedly installed on the top surface of the support frame, and two limiting rods are fixedly installed on the top surface of the support frame. A limiting hole is provided on the top surface of the fixing frame, and the limiting rod is movably sleeved with the limiting hole. A PLC controller is fixedly installed on one side of the sedimentation tank body, and the second drive motor is electrically connected to the PLC controller.

[0007] In order to clean the sludge on the bottom surface of the sedimentation tank body, as a sewage sedimentation tank of the utility model, it is better that a first drive motor is fixedly installed on one side of the sedimentation tank body, a rotating hole is opened on one side of the sedimentation tank body, the outer circular wall surface of the driving shaft of the first drive motor is movably connected to the inner circular wall surface of the rotating hole, a screw is fixedly installed on one end of the driving shaft of the first drive motor, a scraper is movably connected to the interior of the sedimentation tank body, a threaded hole is opened on one side of the scraper, the outer circular wall surface of the screw rod is threadedly connected to the inner circular wall surface of the threaded hole, and the first drive motor is electrically connected to the PLC controller.

[0008] In order to achieve the sludge discharge effect of the sedimentation tank body, as a sewage sedimentation tank of the utility model, it is preferred that a sewage discharge hole is opened on the bottom surface of the sedimentation tank body, and a sewage discharge valve is fixedly sleeved inside the sewage discharge hole.

[0009] In order to achieve the limiting effect on the scraper, as a sewage sedimentation tank of the utility model, it is preferred that two support rods are fixedly installed inside the sedimentation tank body, two support holes are opened on one side of the scraper, and the outer circular wall surface of the support rod is movably connected to the inner circular wall surface of the support hole.

[0010] In order to achieve the supporting effect for the screw rod, as a sewage sedimentation tank of the present invention, it is preferred that a bearing is fixedly installed on one side of the interior of the sedimentation tank body, and the outer circular wall surface of the screw rod is fixedly sleeved with the inner circular wall surface of the inner ring of the bearing.

[0011] In order to achieve the drainage effect of the sedimentation tank body, as a sewage sedimentation tank of the present invention, it is preferred that a drainage hole is opened on one side of the sedimentation tank body, and a drainage valve is fixedly sleeved on the inner circular wall surface of the drainage hole.

[0012] In summary, the present invention has the following beneficial effects:

[0013] Through the set sedimentation tank body, the staff uses the sedimentation tank body to settle the sewage, and through the cooperation of the set second drive motor, support roller, support plate, movable hole, gear, support frame, filter, movable block, support groove and installation rod, the debris on the water surface can be salvaged. Through the cooperation of the set support frame, filter, limiting rod, fixing frame and limiting hole, the movement of the support frame can be restricted. The staff moves the support frame and filter upward to a position above the water surface through the tooth plate, thereby salvaging the debris floating on the sewage at one time, achieving the effect of salvaging the debris floating on the sewage, and facilitating the staff to use the sedimentation tank body to treat sewage. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0015] Figure 2 This is a bottom view schematic diagram of the sedimentation tank main structure of the present utility model;

[0016] Figure 3 This is a schematic diagram of the scraper structure of the utility model;

[0017] Figure 4 This is a schematic diagram of the support groove structure of the utility model;

[0018] Figure 5 It is a right side schematic diagram of the rotary hole structure of the present utility model.

[0019] Figure numerals: 1. sedimentation tank body; 2. support frame; 3. filter screen; 4. support plate; 5. tooth plate; 6. fixing frame; 7. limiting hole; 8. limiting rod; 9. drain hole; 10. drain valve; 11. first drive motor; 12. scraper; 13. support rod; 14. support hole; 15. threaded hole; 16. screw rod; 17. bearing; 18. drain hole; 19. drain valve; 20. support groove; 21. mounting rod; 22. movable block; 23. gear; 24. mounting frame; 25. second drive motor; 26. movable hole; 27. support roller; 28. rotating hole. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] Example 1

[0022] refer to Figure 1 、 Figure 2 、 Figure 3 and Figure 4A sewage sedimentation tank comprises a sedimentation tank body 1, wherein a support frame 2 is movably sleeved inside the sedimentation tank body 1, a filter screen 3 is fixedly sleeved inside the support frame 2, a salvage assembly is provided on the top surface of the sedimentation tank body 1 for salvaging debris floating on the sewage, and the salvage assembly comprises a support plate 4, the support plate 4 is fixedly mounted on the top surface of the sedimentation tank body 1, a mounting frame 24 is fixedly mounted on one side of the support plate 4, a second drive motor 25 is fixedly mounted on one side of the mounting frame 24, a support roller 27 is fixedly mounted on one end of the drive shaft of the second drive motor 25, a movable hole 26 is opened on one side of the support plate 4, the outer circumferential wall surface of the support roller 27 is movably sleeved with the inner circumferential wall surface of the movable hole 26, and the support roller 2 A gear 23 is fixedly installed on one end of 7, a support groove 20 is opened on one side of the support plate 4, and a movable block 22 is movably sleeved inside the support groove 20. A circular through hole is opened on the top surface of the movable block 22, and a mounting rod 21 is fixedly installed inside the support groove 20. The outer circular wall surface of the mounting rod 21 is movably sleeved with the inner circular wall surface of the circular through hole, and a tooth plate 5 is fixedly installed on one side of the movable block 22. The tooth plate 5 is meshed with the gear 23, and the bottom surface of the tooth plate 5 is fixedly connected to the top surface of the support frame 2. Two fixing frames 6 are fixedly installed on the top surface of the sedimentation tank body 1, and two limiting rods 8 are fixedly installed on the top surface of the support frame 2. A limiting hole 7 is opened on the top surface of the fixing frame 6, and the limiting rod 8 is movably sleeved with the limiting hole 7. A PLC controller is fixedly installed on one side of the body 1, and the second drive motor 25 is electrically connected to the PLC controller. Through the settling tank body 1, the staff connects the sewage to the interior of the sedimentation tank body 1 so that the sewage is precipitated inside the sedimentation tank body 1. During this process, some debris in the sewage may float on the water surface. The staff starts the second drive motor 25, and the drive shaft of the second drive motor 25 rotates to drive the support roller 27 to rotate. The support roller 27 rotates inside the movable hole 26 on the support plate 4 to drive the gear 23 to rotate. The rotation of the gear 23 causes the tooth plate 5 to move upward. The upward movement of the tooth plate 5 causes the movable block 22 to move along the mounting rod 21 inside the support groove 20 on the support plate 4. When the tooth plate 5 is moved upward, the movable block 22 and the mounting rod 21 can limit the movement of the tooth plate 5. The upward movement of the tooth plate 5 also causes the support frame 2 and the filter screen 3 to move upward, and the filter screen 3 can salvage debris on the water surface. The upward movement of the support frame 2 also causes the limiting rod 8 to move upward inside the limiting hole 7 on the fixing frame 6. The limiting rod 8 can limit the movement of the support frame 2. The staff moves the support frame 2 and the filter screen 3 to a position above the water surface by moving the tooth plate 5 upward, thereby salvaging the debris floating on the sewage at one time, achieving the effect of salvaging the debris floating on the sewage, and no subsequent staff need to salvage each debris separately, which is convenient for the staff to use the sedimentation tank body 1 to treat sewage.

[0023] Example 2

[0024] Based on the above embodiment 1, reference Figure 1 、 Figure 2 、 Figure 3 and Figure 5 A first drive motor 11 is fixedly installed on one side of the sedimentation tank body 1, and a rotating hole 28 is opened on one side of the sedimentation tank body 1. The outer circular wall surface of the driving shaft of the first drive motor 11 is movably connected with the inner circular wall surface of the rotating hole 28. A screw rod 16 is fixedly installed on one end of the driving shaft of the first drive motor 11. A scraper 12 is movably connected to the interior of the sedimentation tank body 1. A threaded hole 15 is opened on one side of the scraper 12. The outer circular wall surface of the screw rod 16 is threadedly connected with the inner circular wall surface of the threaded hole 15. The first drive motor 11 is electrically connected to the PLC controller. Through the set sedimentation tank body 1, after the sewage is precipitated inside the sedimentation tank body 1, there will be sewage on the inner bottom surface of the sedimentation tank body 1. Mud, the staff starts the first drive motor 11, and the drive shaft of the first drive motor 11 rotates to drive the screw 16 to rotate. The rotation of the screw 16 causes the scraper 12 to move forward along the inner bottom surface of the sedimentation tank body 1 and scrape the sludge, thereby cleaning the sludge on the inner bottom surface of the sedimentation tank body 1. A drain hole 9 is provided on the bottom surface of the sedimentation tank body 1, and a drain valve 10 is fixedly connected to the inner surface of the drain hole 9. Through the scraper 12 that is set, the scraper 12 can scrape the sludge on the inner bottom surface of the sedimentation tank body 1 forward. At the same time, the staff opens the drain valve 10 so that the sludge on the inner bottom surface of the sedimentation tank body 1 is discharged through the drain valve 10, thereby achieving the sludge discharge effect on the sedimentation tank body 1.

[0025] Example 3

[0026] Based on the above embodiment 1 or 2, refer to Figure 1 、 Figure 2 and Figure 3 Two support rods 13 are fixedly installed inside the sedimentation tank body 1, and two support holes 14 are opened on one side of the scraper 12. The outer circular wall surface of the support rod 13 is movably connected with the inner circular wall surface of the support hole 14. Through the provided scraper 12, the scraper 12 moves forward along the two support rods 13. The support rod 13 can limit the movement of the scraper 12 to achieve the limiting effect of the scraper 12. A bearing 17 is fixedly installed on one side of the interior of the sedimentation tank body 1. The outer circular wall surface of the screw rod 16 is connected to the inner circle of the inner ring of the bearing 17. The circular wall is fixedly sleeved, and through the provided screw rod 16, the rotation of the screw rod 16 drives the inner ring of the bearing 17 to rotate. The bearing 17 can support one end of the screw rod 16 to achieve the supporting effect of the screw rod 16. A drainage hole 18 is opened on one side of the sedimentation tank body 1, and a drainage valve 19 is fixedly sleeved on the inner circular wall surface of the drainage hole 18. Through the provided drainage valve 19, the staff opens the drainage valve 19 so that the clean water after sedimentation in the sedimentation tank body 1 is discharged through the drainage valve 19, thereby achieving the drainage effect of the sedimentation tank body 1.

[0027] Working principle: Please refer to Figure 1-Figure 5As shown, through the settling tank body 1, the staff connects the sewage to the interior of the sedimentation tank body 1 so that the sewage is precipitated inside the sedimentation tank body 1. During this process, some debris in the sewage may float on the water surface. The staff starts the second drive motor 25. The drive shaft of the second drive motor 25 rotates to drive the support roller 27 to rotate. The support roller 27 rotates inside the movable hole 26 on the support plate 4 to drive the gear 23 to rotate. The rotation of the gear 23 causes the tooth plate 5 to move upward. The upward movement of the tooth plate 5 causes the movable block 22 to move upward along the mounting rod 21 inside the support groove 20 on the support plate 4. The movable block 22 and the mounting rod 21 can The movement of the tooth plate 5 is restricted. The upward movement of the tooth plate 5 also causes the support frame 2 and the filter screen 3 to move upward. The filter screen 3 can salvage debris on the water surface. The upward movement of the support frame 2 also causes the limiting rod 8 to move upward inside the limiting hole 7 on the fixing frame 6. The limiting rod 8 can restrict the movement of the support frame 2. The staff moves the support frame 2 and the filter screen 3 to a position above the water surface by moving the tooth plate 5 upward, thereby salvaging the debris floating on the sewage at one time, achieving the effect of salvaging the debris floating on the sewage. There is no need for subsequent staff to salvage each debris separately, which is convenient for the staff to use the sedimentation tank body 1 to treat sewage.

[0028] Through the set sedimentation tank body 1, after the sewage is precipitated inside the sedimentation tank body 1, there will be sludge on the internal bottom surface of the sedimentation tank body 1. The staff starts the first drive motor 11, and the drive shaft of the first drive motor 11 rotates to drive the screw 16 to rotate. The rotation of the screw 16 causes the scraper 12 to move forward along the internal bottom surface of the sedimentation tank body 1 and scrape the sludge, thereby cleaning the sludge on the internal bottom surface of the sedimentation tank body 1. Through the set scraper 12, the scraper 12 can scrape the sludge on the internal bottom surface of the sedimentation tank body 1 forward. At the same time, the staff opens the drain valve 10 so that the sludge on the internal bottom surface of the sedimentation tank body 1 is discharged through the drain valve 10, thereby achieving the sludge discharge effect on the sedimentation tank body 1.

[0029] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A sewage sedimentation tank, characterized in that: include: A sedimentation tank body (1), wherein a support frame (2) is movably sleeved inside the sedimentation tank body (1), and a filter screen (3) is fixedly sleeved inside the support frame (2); A salvaging assembly, the salvaging assembly is arranged on the top surface of the sedimentation tank body (1) and is used to salvage debris floating on sewage, the salvaging assembly comprising: a support plate (4), the support plate (4) is fixedly mounted on the top surface of the sedimentation tank body (1), a mounting frame (24) is fixedly mounted on one side of the support plate (4), a second drive motor (25) is fixedly mounted on one side of the mounting frame (24), a support roller (27) is fixedly mounted on one end of the drive shaft of the second drive motor (25), a movable hole (26) is opened on one side of the support plate (4), the outer circular wall surface of the support roller (27) is movably sleeved with the inner circular wall surface of the movable hole (26), a gear (23) is fixedly mounted on one end of the support roller (27), a support groove (20) is opened on one side of the support plate (4), and a movable block (22) is movably sleeved inside the support groove (20) ), a circular through hole is provided on the top surface of the movable block (22), a mounting rod (21) is fixedly installed inside the support groove (20), the outer circular wall surface of the mounting rod (21) is movably sleeved with the inner circular wall surface of the circular through hole, a tooth plate (5) is fixedly installed on one side of the movable block (22), the tooth plate (5) is meshingly connected with the gear (23), the bottom surface of the tooth plate (5) is fixedly connected with the top surface of the support frame (2), two fixing frames (6) are fixedly installed on the top surface of the sedimentation tank body (1), two limiting rods (8) are fixedly installed on the top surface of the support frame (2), a limiting hole (7) is provided on the top surface of the fixing frame (6), the limiting rod (8) is movably sleeved with the limiting hole (7), a PLC controller is fixedly installed on one side of the sedimentation tank body (1), and the second drive motor (25) is electrically connected to the PLC controller.

2. A sewage sedimentation tank according to claim 1, characterized in that: A first drive motor (11) is fixedly mounted on one side of the sedimentation tank body (1); a rotating hole (28) is provided on one side of the sedimentation tank body (1); an outer circumferential wall surface of a drive shaft of the first drive motor (11) is movably sleeved with an inner circumferential wall surface of the rotating hole (28); a screw rod (16) is fixedly mounted on one end of the drive shaft of the first drive motor (11); a scraper (12) is movably sleeved inside the sedimentation tank body (1); a threaded hole (15) is provided on one side of the scraper (12); an outer circumferential wall surface of the screw rod (16) is threadedly connected with an inner circumferential wall surface of the threaded hole (15); and the first drive motor (11) is electrically connected to the PLC controller.

3. A sewage sedimentation tank according to claim 1, characterized in that: A sewage discharge hole (9) is provided on the bottom surface of the sedimentation tank body (1), and a sewage discharge valve (10) is fixedly sleeved inside the sewage discharge hole (9).

4. A sewage sedimentation tank according to claim 2, characterized in that: Two support rods (13) are fixedly installed inside the sedimentation tank body (1), and two support holes (14) are opened on one side of the scraper (12). The outer circular wall surface of the support rod (13) is movably connected with the inner circular wall surface of the support hole (14).

5. A sewage sedimentation tank according to claim 2, characterized in that: A bearing (17) is fixedly mounted on one side of the interior of the sedimentation tank body (1), and the outer circumferential wall surface of the screw rod (16) is fixedly sleeved with the inner circumferential wall surface of the inner ring of the bearing (17).

6. A sewage sedimentation tank according to claim 1, characterized in that: A drainage hole (18) is provided on one side of the sedimentation tank body (1), and a drainage valve (19) is fixedly sleeved on the inner circular wall surface of the drainage hole (18).

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