Screening device for sewage treatment

Abstract

The screening device for sewage treatment comprises a water inlet box and a screening box, the screening box is arranged at the bottom of the right end face of the water inlet box in a penetrating mode, a water inlet pipe is arranged at the top of the left end face of the water inlet box in a penetrating mode, a screen is detachably arranged in the screening box, and a drainage pipe is arranged on the right end face of the screening box in a penetrating mode; a plurality of water storage grooves are formed in the outer end face of the water distribution seat in the circumferential direction, driving shafts are arranged at the front end and the rear end of the water distribution seat, the rear driving shaft extends backwards to penetrate through the water inlet tank, a driving motor is connected to the rear end of the rear driving shaft, and supporting seats corresponding to the water distribution seat are arranged at the left end and the right end of the water inlet tank. A cleaning shaft is rotationally arranged on the cover plate, a plurality of cleaning rods are arranged on the cleaning shaft, a cleaning motor is connected to the top end of the cleaning shaft, and water inflow is conveniently buffered through the design of the water diversion base.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment, and more specifically, to a screening device for sewage treatment. Background Art

[0002] With the continuous increase in population, the amount of sewage generated by people's daily production and life is increasing. In production and life, before the sewage is discharged, it is generally necessary to screen it. When the existing sewage treatment screening device is used, the sewage discharge flow rate is different for different sewage discharge sources. The larger flow rate is easy to cause damage to the internal screen. There is a lack of suitable flow rate control mechanism inside the device. When the device is in use, the larger volume of debris remaining in the sewage is easy to block the internal passage of the device. There is a lack of suitable preliminary decontamination mechanism. In addition, when the device is in use, a large amount of dirt remains on the screen after long-term use, and the cleaning operation is more troublesome. There is a lack of suitable and efficient self-cleaning mechanism. Utility Model Content

[0003] 1. Technical issues to be resolved

[0004] In view of the problems existing in the prior art, the utility model provides a screening device for sewage treatment to solve the technical problems mentioned in the background technology that the sewage discharge flow rates are different for different sewage discharge sources, the large flow rate is easy to cause damage to the internal screen, and there is a lack of a suitable flow rate control mechanism inside the device.

[0005] (II) Technical solution

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a screening device for sewage treatment, comprising a water inlet box and a screening box, the screening box is arranged through the bottom of the right end surface of the water inlet box, and a water inlet pipe is arranged through the top of the left end surface of the water inlet box, a screen is detachably provided inside the screening box, a drain pipe is arranged through the right end surface of the screening box, a water diversion seat is rotatably provided inside the water inlet box, a water storage tank is opened on the outer end surface of the water diversion seat, and a plurality of water storage tanks are arranged in the circumferential direction of the water storage tank, a driving shaft is arranged at both the front and rear ends of the water diversion seat, the rear driving shaft extends backward and passes through the water inlet box, a driving motor is connected to the rear end of the rear driving shaft, support seats are arranged at both the left and right ends of the water inlet box corresponding to the water diversion seat, a cover plate is detachably provided on the upper end surface of the water inlet box, a cleaning shaft is rotatably provided on the cover plate, a cleaning rod is arranged on the cleaning shaft, a plurality of cleaning rods are arranged, and a cleaning motor is connected to the top end of the cleaning shaft.

[0007] The utility model is further configured that the upper end surface of the screen is provided with a mounting plate, and the upper end surface of the screening box is provided with a mounting groove corresponding to the mounting plate, so as to facilitate the disassembly and assembly of the screen.

[0008] The utility model is further configured such that first mounting holes are symmetrically provided on the mounting plate, second mounting holes are provided on the inner wall of the mounting groove corresponding to the two first mounting holes, and the first mounting holes and the second mounting holes are connected by bolts to lock the mounting plate.

[0009] The utility model is further configured that handles are provided on both sides of the upper end surface of the cover plate, and a sealing seat is provided on the lower end surface of the cover plate, so as to facilitate the disassembly and assembly of the cover plate and ensure the sealing of the installation location.

[0010] The utility model is further configured as follows: the cover plate is provided with a first threaded hole, a plurality of the first threaded holes are provided, a second threaded hole is provided on the upper end surface of the water inlet tank corresponding to the plurality of the first threaded holes, the first threaded hole and the second threaded hole are connected by bolts to lock the cover plate.

[0011] The utility model is further configured such that a water supply pipe is penetrated through the front end surface of the screening box, a water outlet seat is provided inside the screening box corresponding to the rotation of the water supply pipe, a water spray pipe is penetrated through the water outlet seat, and a plurality of the water spray pipes are provided to facilitate backwashing.

[0012] The utility model is further configured that a sewage pipe is penetrated through the top of the left end surface of the water inlet tank, and a sewage valve is provided on the sewage pipe to facilitate backwashing and drainage.

[0013] The utility model is further configured that a connecting shaft is provided at the rear end of the water outlet seat, the connecting shaft extends backward and penetrates the screening box, and a rotating motor is connected to the rear end of the connecting shaft to drive the water outlet seat to rotate.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the utility model provides a screening device for sewage treatment, which has the following beneficial effects:

[0016] 1. Through the design of the water diversion seat, the water diversion seat is rotatably set inside the water inlet tank. The drive motor and the drive shaft cooperate to drive the water diversion seat. The water storage tank on the water diversion seat is convenient for water inlet adjustment, and the sewage entering the device is separated and screened. The flow rate is controlled to avoid impact damage to the screen and facilitate buffering of water inlet.

[0017] 2. Through the design of the cleaning rod, the cleaning motor and the cleaning shaft cooperate to drive the cleaning rod to rotate. The cleaning rod with a hook can clean up the larger volume of debris in the sewage that initially enters, achieve preliminary cleaning of the sewage, and avoid clogging the internal passage.

[0018] 3. Through the design of the water outlet seat, the rotating motor and the connecting shaft cooperate to adjust the rotation of the water outlet seat. External water enters the water outlet seat through the water supply pipe and is sprayed out through the water spray pipe on the water outlet seat, which is convenient for backwashing the screen, self-cleaning operation and extending service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of a screening device for sewage treatment;

[0020] Figure 2 It is a schematic diagram of the overall structure of a screening device for sewage treatment preferably without a mounting plate and a cover plate installed;

[0021] Figure 3 A cross-sectional view of the internal structure of a screening box preferably used in a screening device for sewage treatment;

[0022] Figure 4 A schematic diagram of the overall structure of a cover plate preferably used in a screening device for sewage treatment;

[0023] Figure 5 The present invention is a schematic diagram of the matching structure of a mounting plate and a screen mesh preferably used in a screening device for sewage treatment.

[0024] In the figure: 1. water inlet box; 2. screening box; 3. water inlet pipe; 4. screen; 5. drain pipe; 6. water distribution seat; 7. water storage tank; 8. drive shaft; 9. drive motor; 10. support seat; 11. cover plate; 12. cleaning shaft; 13. cleaning rod; 14. cleaning motor; 15. mounting plate; 16. mounting slot; 17. first mounting hole; 18. second mounting hole; 19. handle; 20. sealing seat; 21. first threaded hole; 22. second threaded hole; 23. water supply pipe; 24. water outlet seat; 25. water spray pipe; 26. sewage pipe; 27. sewage valve; 28. connecting shaft; 29. ​​rotating motor. DETAILED DESCRIPTION

[0025] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0026] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meanings as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0027] In the present invention, unless otherwise specified, directions such as "up" and "down" are usually used in reference to the directions shown in the drawings, or in reference to the vertical, perpendicular or gravity direction; similarly, for ease of understanding and description, "left" and "right" are usually used in reference to the left and right shown in the drawings; "inside" and "outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directions are not used to limit the present invention.

[0028] See also Figure 1-5 A screening device for sewage treatment comprises a water inlet box 1 and a screening box 2, the screening box 2 is penetrated at the bottom of the right end surface of the water inlet box 1, and a water inlet pipe 3 is penetrated at the top of the left end surface of the water inlet box 1. A screen 4 is detachably provided inside the screening box 2, and a drain pipe 5 is penetrated at the right end surface of the screening box 2. A water diversion seat 6 is rotatably provided inside the water inlet box 1, and a water storage tank 7 is opened on the outer end surface of the water diversion seat 6. A plurality of water storage tanks 7 are arranged in the circumferential direction. A driving shaft 8 is provided at both the front and rear ends of the water diversion seat 6, and the rear drive shaft 8 extends backward and penetrates the water inlet box 1. A driving motor 9 is connected to the rear end of the rear drive shaft 8. Support seats 10 are provided at both the left and right ends of the water inlet box 1 corresponding to the water diversion seat 6, and a cover plate 11 is detachably provided on the upper end surface of the water inlet box 1, and a cleaning shaft 12 is rotatably provided on the cover plate 11, and a cleaning rod 13 is provided on the cleaning shaft 12, and a plurality of cleaning rods 13 are arranged, and a cleaning motor 14 is connected to the top of the cleaning shaft 12.

[0029] In this embodiment, the driving motor 9 drives the driving shaft 8, and the driving shaft 8 rotates the water separation seat 6 to separate the incoming water.

[0030] More specifically, the cleaning motor 14 drives the cleaning shaft 12 to rotate, and the cleaning shaft 12 drives the cleaning rod 13 to rotate, so as to clean the preliminary feed and avoid blockage.

[0031] See also Figure 1 , Figure 2 and Figure 5 As an implementation method of the screen 4: a mounting plate 15 is provided on the upper end surface of the screen 4, a mounting groove 16 is provided on the upper end surface of the screening box 2 corresponding to the mounting plate 15, first mounting holes 17 are symmetrically provided on the mounting plate 15, and second mounting holes 18 are provided on the inner wall of the mounting groove 16 corresponding to the two first mounting holes 17, and the first mounting hole 17 and the second mounting hole 18 are connected by bolts.

[0032] Specifically, the bolts between the first mounting hole 17 and the second mounting hole 18 are removed, and the screen 4 with the mounting plate 15 is replaced.

[0033] See also Figure 1 , Figure 2 and Figure 4As an implementation method of the cover plate 11: handles 19 are provided on both sides of the upper end surface of the cover plate 11, a sealing seat 20 is provided on the lower end surface of the cover plate 11, a first threaded hole 21 is opened on the cover plate 11, and a plurality of first threaded holes 21 are provided. Second threaded holes 22 are opened on the upper end surface of the water inlet tank 1 corresponding to the plurality of first threaded holes 21, and the first threaded holes 21 and the second threaded holes 22 are connected by bolts.

[0034] Specifically, the bolts between the first threaded hole 21 and the second threaded hole 22 are removed, and the handle 19 is grasped to remove the cover plate 11 with the sealing seat 20 .

[0035] See also Figure 1-3 As an implementation method of backwashing: a water supply pipe 23 is penetrated through the front end face of the screening box 2, a water outlet seat 24 is provided inside the screening box 2 corresponding to the rotation of the water supply pipe 23, a water spray pipe 25 is penetrated through the water outlet seat 24, and a plurality of water spray pipes 25 are arranged, a sewage pipe 26 is penetrated through the top of the left end face of the water inlet tank 1, a sewage valve 27 is arranged on the sewage pipe 26, a connecting shaft 28 is provided at the rear end of the water outlet seat 24, the connecting shaft 28 extends backward and penetrates the screening box 2, and a rotating motor 29 is connected to the rear end of the connecting shaft 28.

[0036] Specifically, external water enters the water outlet seat 24 through the water supply pipe 23, and is sprayed out through the water spray pipe 25 on the water outlet seat 24. The rotating motor 29 drives the connecting shaft 28 to rotate, and the connecting shaft 28 drives the water outlet seat 24 to rotate, so as to backwash the screen 4.

[0037] In summary, the overall equipment is in use:

[0038] When in the water inlet state, external sewage enters the water inlet tank 1 through the water inlet pipe 3, and the drive motor 9 is started. The drive motor 9 drives the drive shaft 8 to rotate, and the drive shaft 8 drives the water diversion seat 6 to rotate. The water diversion seat 6 discharges the water inside the water storage tank 7 downward and transfers it to the inside of the screening box 2 to facilitate water inlet buffering.

[0039] When in the sewage treatment state, start the cleaning motor 14, the cleaning motor 14 drives the cleaning shaft 12 to rotate, the cleaning shaft 12 drives the cleaning rod 13 to rotate, the hook on the cleaning rod 13 cleans the large volume impurities in the initially entering water, and the screen 4 screens the water entering the screening box 2 after the initial cleaning.

[0040] When the cover 11 is in the disassembly state, remove the bolt between the first threaded hole 21 and the second threaded hole 22, grasp the handle 19, and remove the cover 11. After the cover 11 is removed, clean the debris on the cleaning rod 13. After cleaning, the sealing seat 20 on the cover 11 is installed corresponding to the water inlet tank 1, the first threaded hole 21 and the second threaded hole 22 are aligned, and the bolts are passed through and tightened to fix.

[0041] In all the schemes mentioned above, the connection between two parts can be selected according to actual conditions by welding, bolt and nut matching connection, bolt or screw connection or other well-known connection methods, which are not described here one by one. In the above, all fixed connections are preferably welded. Although the embodiments of the utility model have been shown and described, it can be understood by ordinary technicians in this field that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the utility model. The scope of the utility model is defined by the attached claims and their equivalents.

Claims

1. A screening device for sewage treatment, comprising a water inlet box (1) and a screening box (2), wherein the screening box (2) is arranged through the bottom of the right end surface of the water inlet box (1), a water inlet pipe (3) is arranged through the top of the left end surface of the water inlet box (1), a detachable screen (4) is arranged inside the screening box (2), and a drainage pipe (5) is arranged through the right end surface of the screening box (2), wherein: A water diversion seat (6) is rotatably provided inside the water inlet box (1), a water storage tank (7) is provided on the outer end surface of the water diversion seat (6), and a plurality of water storage tanks (7) are provided in the circumferential direction. A driving shaft (8) is provided at both the front and rear ends of the water diversion seat (6), the rear driving shaft (8) extends backwards through the water inlet box (1), and a driving motor (9) is connected to the rear end of the rear driving shaft (8). Support seats (10) are provided at both the left and right ends of the water inlet box (1) corresponding to the water diversion seat (6), a cover plate (11) is detachably provided on the upper end surface of the water inlet box (1), a cleaning shaft (12) is rotatably provided on the cover plate (11), a cleaning rod (13) is provided on the cleaning shaft (12), a plurality of cleaning rods (13) are provided, and a cleaning motor (14) is connected to the top end of the cleaning shaft (12).

2. A screening device for sewage treatment according to claim 1, characterized in that: The upper end surface of the screen (4) is provided with a mounting plate (15), and the upper end surface of the screening box (2) is provided with a mounting groove (16) corresponding to the mounting plate (15).

3. A screening device for sewage treatment according to claim 2, characterized in that: The mounting plate (15) is symmetrically provided with first mounting holes (17), and the inner wall of the mounting groove (16) is provided with second mounting holes (18) corresponding to the two first mounting holes (17), and the first mounting holes (17) and the second mounting holes (18) are connected by bolts.

4. A screening device for sewage treatment according to claim 1, characterized in that: The upper end surface of the cover plate (11) is provided with handles (19) on both sides thereof, and the lower end surface of the cover plate (11) is provided with a sealing seat (20).

5. A screening device for sewage treatment according to claim 4, characterized in that: The cover plate (11) is provided with a first threaded hole (21), and a plurality of the first threaded holes (21) are provided. The upper end surface of the water inlet box (1) is provided with a second threaded hole (22) corresponding to the plurality of the first threaded holes (21), and the first threaded hole (21) and the second threaded hole (22) are connected by bolts.

6. A screening device for sewage treatment according to claim 1, characterized in that: A water supply pipe (23) is provided through the front end surface of the screening box (2), a water outlet seat (24) is provided inside the screening box (2) to rotate corresponding to the water supply pipe (23), a water spray pipe (25) is provided through the water outlet seat (24), and a plurality of water spray pipes (25) are provided.

7. A screening device for sewage treatment according to claim 6, characterized in that: A sewage discharge pipe (26) is provided through the top of the left end surface of the water inlet box (1), and a sewage discharge valve (27) is provided on the sewage discharge pipe (26).

8. A screening device for sewage treatment according to claim 6, characterized in that: A connecting shaft (28) is provided at the rear end of the water outlet seat (24), and the connecting shaft (28) extends backwards and penetrates the screening box (2). A rotating motor (29) is connected to the rear end of the connecting shaft (28).

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