Sewage backflow device for sewage treatment
By designing the return and discharge components of the wastewater return device, the clogging problem caused by the accumulation of impurities in traditional devices has been solved, achieving stable operation and cost reduction in wastewater treatment.
Patent Information
- Application Number
- CN202423097248.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-16
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2034-12-16
AI Technical Summary
Traditional wastewater recirculation devices are prone to clogging due to the accumulation of impurities, which affects normal operation and increases maintenance costs and downtime.
A wastewater return device was designed, which returns filtered wastewater back to the wastewater tank through the return component, and uses the sewage discharge component to remove impurities in a timely manner. Combined with the crushing component and the guide plate structure, it prevents impurities from accumulating at the filter screen.
This effectively prevents the accumulation of impurities, ensures the normal operation of wastewater filtration and recirculation, and reduces maintenance costs and downtime.
Smart Images
Figure CN223747049U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to sewage treatment technical field especially sewage backflow device for sewage treatment. BACKGROUND
[0002] With the increasing environmental protection requirement, the efficiency and quality of sewage treatment are paid more and more attention. Sewage backflow plays a key role in many sewage treatment processes, for example, in biological treatment process, the backflow sewage can adjust the substrate concentration, microorganism concentration in the reaction tank, thereby optimizing the treatment effect. However, the traditional sewage backflow device often has some defects. In the backflow process, these impurities are easy to accumulate at the parts such as pipeline, valve, etc., causing blockage, not only affecting the normal operation of the backflow device, but also increasing the maintenance cost and downtime, therefore, the sewage backflow device for sewage treatment is provided. SUMMARY
[0003] In view of the defects of the prior art, the utility model provides a sewage backflow device for sewage treatment, which reflows the filtered water in the sewage tank through the backflow assembly for re-filtering, and uses the blowdown assembly to discharge the filtered impurities in time, so as to avoid the accumulation of impurities at the filter screen, ensure the normal operation of sewage filtration and sewage backflow, effectively reduce the maintenance cost and downtime, and overcome the defects of the prior art.
[0004] In order to achieve the above purpose, the utility model adopts the following technical scheme:
[0005] A sewage backflow device for sewage treatment, comprising a sewage tank, a lower convex tank extending downward from the bottom of the sewage tank, a filter screen fixed to the inner wall of the lower convex tank and the inner wall of the sewage tank, a water inlet pipe arranged at one end of the sewage tank, a drain pipe arranged at the other end of the sewage tank, a sedimentation pipe arranged on one side of the lower convex tank, a blowdown assembly and a crushing assembly installed on the sedimentation pipe, and a backflow assembly installed on one side of the sewage tank.
[0006] As a further scheme of the utility model, the backflow assembly comprises a backflow pump fixed to one side of the outer wall of the sewage tank, a water suction pipe connected to the water suction end of the backflow pump, a water outlet pipe connected to the water outlet end of the backflow pump, one end of the water suction pipe connected to one side of the sewage tank, and one end of the water outlet pipe connected to the other side of the sewage tank.
[0007] As a further scheme of the utility model, the connection between the water suction pipe and the sewage tank is located on one side of the drain pipe, and the connection between the water outlet pipe and the sewage tank is located on one side of the water inlet pipe.
[0008] As a further scheme of the utility model: the sewage assembly includes the sealing plate inserted in one end of the deposition pipe, the upper end of the sealing plate is connected with the electric push rod, the lower end surface side of the sewage tank is fixed with the connecting seat, and the upper end of the electric push rod is fixed on the connecting seat.
[0009] As a further scheme of the utility model: the stirring assembly includes the servo motor fixed on the outer wall of the deposition pipe, the output end of the servo motor extends to the inside of the deposition pipe and is connected with the rotating block, and the outer wall of the rotating block is fixed with the broken cutter head at equal distances.
[0010] As a further scheme of the utility model: the filter screen plate is fixed with the U-shaped plate on the side outer wall of the water inlet pipe, the vertical section of the U-shaped plate is provided with the mounting hole, and the flow guide plate is fixed in the mounting hole.
[0011] As a further scheme of the utility model: the flow guide plate is provided with four pieces, and the four pieces of flow guide plates are distributed at equal distances at the mounting hole.
[0012] As a further scheme of the utility model: the lower end surface of the sewage tank is fixed with the supporting leg at the four corners.
[0013] The utility model discloses the beneficial effects are:
[0014] The sewage tank is filtered again by the backflow assembly, the impurities are discharged in time by the sewage assembly, thereby avoiding the accumulation of impurities on the filter screen plate, ensuring the normal operation of sewage filtration and sewage backflow, and effectively reducing the maintenance cost and downtime. DRAWINGS
[0015] Figure 1 It is the first perspective three-dimensional structure schematic diagram of the sewage backflow device for sewage treatment that the utility model proposes.
[0016] Figure 2 It is the second perspective three-dimensional structure schematic diagram of the sewage backflow device for sewage treatment that the utility model proposes.
[0017] Figure 3 It is the local section structure schematic diagram of the sewage backflow device for sewage treatment that the utility model proposes.
[0018] Figure 4 It is the Figure 3 Enlarged structure schematic diagram of the sewage backflow device for sewage treatment that the utility model proposes.
[0019] In the figure: 1, sewage tank; 2, drain pipe; 3, filter screen; 4, water inlet pipe; 5, water outlet pipe; 6, backflow pump; 7, water suction pipe; 8, lower convex tank; 9, sedimentation pipe; 10, servo motor; 11, sealing plate; 12, electric push rod; 13, connecting seat; 14, supporting leg; 15, U-shaped plate; 16, mounting hole; 17, guide plate; 18, rotating block; 19, crushing cutter head. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.
[0021] Embodiment 1, refer to Figures 1-4 A sewage backflow device for sewage treatment, comprising a sewage tank 1, the bottom of the sewage tank 1 extends downwardly with a lower convex tank 8, the inner wall middle part of the lower convex tank 8 and the inner wall middle part of the sewage tank 1 are fixed with a filter screen 3, one end of the sewage tank 1 is provided with a water inlet pipe 4, the other end of the sewage tank 1 is provided with a drain pipe 2, one side of the lower convex tank 8 is provided with a sedimentation pipe 9, the sedimentation pipe 9 is installed with a sewage discharge assembly and a crushing assembly, one side of the sewage tank 1 is installed with a backflow assembly, and the lower end surface of the sewage tank 1 is fixed with supporting legs 14 at four corners.
[0022] The backflow assembly comprises a backflow pump 6 fixed on one side of the outer wall of the sewage tank 1, the water suction end of the backflow pump 6 is connected with a water suction pipe 7, the water outlet end of the backflow pump 6 is connected with a water outlet pipe 5, one end of the water suction pipe 7 is connected with one side of the sewage tank 1, and one end of the water outlet pipe 5 is connected with the other side of the sewage tank 1.
[0023] The connection between the water suction pipe 7 and the sewage tank 1 is located on one side of the drain pipe 2, and the connection between the water outlet pipe 5 and the sewage tank 1 is located on one side of the water inlet pipe 4.
[0024] The sewage discharge assembly comprises a sealing plate 11 inserted in one end of the sedimentation pipe 9, the upper end of the sealing plate 11 is connected with an electric push rod 12, the lower end surface side of the sewage tank 1 is fixed with a connecting seat 13, and the upper end of the electric push rod 12 is fixed on the connecting seat 13.
[0025] Sewage enters the sewage tank 1 from the water inlet pipe 4, the sewage is filtered by the filter screen 3, the filtered impurities are accumulated in the sedimentation pipe 9, the filtered water is sucked back to the other side from one side of the sewage tank 1 by the backflow pump 6, the filtered water can be filtered again by the filter screen 3, when the water level in the sewage tank 1 rises, the filtered water is discharged from the drain pipe 2, the sealing plate 11 is lifted regularly by the electric push rod 12, so that the impurities are discharged from the sedimentation pipe 9, thereby avoiding the accumulation of impurities at the filter screen 3, ensuring the normal operation of sewage filtration and sewage backflow, and effectively reducing the maintenance cost and downtime.
[0026] Embodiment 2, this embodiment is optimized on the basis of embodiment 1, specifically:
[0027] The stirring assembly comprises a servo motor 10 fixed to the outer wall of the deposition tube 9, the output end of the servo motor 10 extends to the inside of the deposition tube 9 and is connected with a rotating block 18, and the outer wall of the rotating block 18 is fixed with broken knife heads 19 at equal distances.
[0028] The servo motor 10 drives the rotating block 18 and the broken knife heads 19 to rotate, so that the broken knife heads 19 can break the impurities, thereby avoiding the difficulty of discharging due to the caking of impurities.
[0029] Embodiment 3, this embodiment is optimized on the basis of embodiment 1, specifically:
[0030] The outer wall of one side of the filter screen plate 3 facing the water inlet pipe 4 is fixed with a U-shaped plate 15, the vertical section of the U-shaped plate 15 is provided with a mounting hole 16, and four guide plates 17 are fixed at equal distances at the mounting hole 16.
[0031] The inclined guide plates 17 guide the impurities, and when the impurities are discharged, the impurities move along the guide plates 17 towards the direction of the deposition tube 9, thereby improving the discharge speed of the impurities.
[0032] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any person skilled in the art within the technical range disclosed by the present application, according to the technical scheme and the inventive concept of the present application, can be replaced or changed equivalently, which should be covered within the protection scope of the present application.
Claims
1. A sewage backflow device for sewage treatment, comprising a sewage tank (1), characterized in that, The bottom of the sewage tank (1) extends downwardly with a lower convex tank (8), the inner wall middle part of the lower convex tank (8) and the inner wall middle part of the sewage tank (1) are fixed with a filter screen plate (3), one end of the sewage tank (1) is provided with a water inlet pipe (4), the other end of the sewage tank (1) is provided with a drain pipe (2), one side of the lower convex tank (8) is provided with a deposition pipe (9), the deposition pipe (9) is installed with a sewage discharge assembly and a crushing assembly, one side of the sewage tank (1) is installed with a backflow assembly.
2. A sewage backflow device for sewage treatment according to claim 1, characterized in that, The backflow assembly comprises a backflow pump (6) fixed on one side of the outer wall of the sewage tank (1), the water suction end of the backflow pump (6) is connected with a water suction pipe (7), the water outlet end of the backflow pump (6) is connected with a water outlet pipe (5), one end of the water suction pipe (7) is connected with one side of the sewage tank (1), and one end of the water outlet pipe (5) is connected with the other side of the sewage tank (1).
3. A sewage backflow device for sewage treatment according to claim 2, wherein The connection between the water suction pipe (7) and the sewage tank (1) is located on one side of the drain pipe (2), and the connection between the water outlet pipe (5) and the sewage tank (1) is located on one side of the water inlet pipe (4).
4. The sewage backflow device for sewage treatment according to claim 1, characterized in that, The sewage discharge assembly comprises a sealing plate (11) inserted in one end of the deposition pipe (9), the upper end of the sealing plate (11) is connected with an electric push rod (12), the lower end surface side of the sewage tank (1) is fixed with a connecting seat (13), and the upper end of the electric push rod (12) is fixed on the connecting seat (13).
5. The sewage backflow device for sewage treatment according to claim 1, characterized in that, The crushing assembly comprises a servo motor (10) fixed on the outer wall of the deposition pipe (9), the output end of the servo motor (10) extends to the inside of the deposition pipe (9) and is connected with a rotating block (18), and the outer wall of the rotating block (18) is fixed with breakage cutter heads (19) at equal distances.
6. The sewage backflow device for sewage treatment according to claim 1, characterized in that, The outer wall of one side of the filter screen plate (3) towards the water inlet pipe (4) is fixed with a U-shaped plate (15), the vertical section of the U-shaped plate (15) is provided with a mounting hole (16), and the mounting hole (16) is fixed with a flow guide plate (17) obliquely.
7. A sewage backflow device for sewage treatment according to claim 6, wherein The flow guide plate (17) is provided with four pieces, and the four flow guide plates (17) are distributed at equal distances at the mounting hole (16).
8. The sewage backflow device for sewage treatment according to claim 1, characterized in that, The lower end surface of the sewage tank (1) is fixed with support legs (14) at four corners.