Multistage grit chamber with built-in water division partition walls

Abstract

The utility model relates to the technical field of multi-stage grit chambers, and discloses a multi-stage grit chamber with built-in water division partition walls, which comprises a sedimentation tank, the front side of the inside of the sedimentation tank is fixedly connected with a water division partition wall I, the inside of the sedimentation tank is fixedly connected with a water division partition wall II, the outer wall of the water division partition wall II is provided with holes, and the holes are communicated with the sedimentation tank. A first filter plate is fixedly connected to the outer wall of the second water division partition wall, a settling tank is fixedly connected to the right end of the settling pond, a second filter plate is fixedly connected to the middle of the settling tank, and a filter screen cover is fixedly connected to the right side of the bottom of the settling tank. According to the sewage treatment device disclosed by the utility model, when sewage enters from the water inlet tank, the sewage firstly reaches the compartment inside the water division partition wall I, so that the speed of the sewage is reduced, and meanwhile, after large impurities in the sewage are precipitated to the bottom, the holes are formed in the surface of the water division partition wall II, so that the sewage can be cleaned orderly, and the later maintenance is convenient.

Description

Technical Field

[0001] This utility model relates to the field of multi-stage sedimentation tank technology, and in particular to a multi-stage sedimentation tank with built-in water-dividing partition wall. Background Technology

[0002] Dividing walls are wall structures used to separate different sedimentation units in a multi-stage grit chamber. They are set perpendicular to the water flow direction, dividing the grit chamber into several relatively independent areas, each of which is a sedimentation unit. These walls extend from the bottom of the chamber to a certain height, and their tops are generally lower than the top of the chamber, so that sewage can flow smoothly from one unit to another. The height of the dividing walls is determined according to the design requirements and water flow characteristics of the multi-stage grit chamber. In the front sedimentation units near the inlet, the wall height is relatively low. This is because the front mainly focuses on the initial sedimentation of larger sand particles in the sewage. Lower walls allow the water flow to pass through relatively quickly, allowing large sand particles to settle under stronger water impact in a shorter time.

[0003] A multi-stage grit chamber is a wastewater treatment facility consisting of multiple grit chamber units connected in series. Each grit chamber unit has its own inlet and outlet. Wastewater flows through these units in sequence, gradually achieving the sedimentation and separation of grit particles. In a typical three-stage grit chamber, wastewater first enters the first-stage unit, undergoes preliminary sedimentation, then enters the second stage, and finally undergoes more refined sedimentation before entering the third stage. This multi-stage approach improves the grit removal efficiency.

[0004] Removing sand particles from wastewater is a crucial preliminary step in water purification. Reducing sand content also facilitates the smooth operation of subsequent advanced treatment processes, improving the final effluent quality to meet discharge standards or reuse requirements. This is of great significance for protecting the water environment and ensuring the sustainable use of water resources. Traditional grit chambers are not hydraulically precise enough to adapt to changes in wastewater flow and quality. When wastewater flow fluctuates significantly, such as during the rainy season or peak water usage periods, single-stage grit chambers may experience excessive hydraulic load due to excessive influent flow, causing sand particles to be washed away before they can settle. Conversely, when the flow rate is low, sludge accumulation may occur due to the slow water velocity. The unstable flow pattern inside traditional grit chambers can easily lead to dead zones and short circuits, preventing some wastewater from fully contacting the grit settling area, reducing grit settling efficiency, and affecting effluent quality. Utility Model Content

[0005] To overcome the above shortcomings, this utility model provides a multi-stage sedimentation tank with built-in water-dividing partition walls, which aims to improve the problem that the internal water flow of traditional sedimentation tanks is unstable, which easily forms dead corners and short circuits, causing some sewage to not fully contact the sedimentation area, reducing sedimentation efficiency and affecting the quality of effluent.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a multi-stage sedimentation tank with built-in water-dividing partition walls, comprising a sedimentation tank, a water-dividing partition wall one fixedly connected to the front side of the interior of the sedimentation tank, a water-dividing partition wall two fixedly connected to the interior of the sedimentation tank, holes being provided on the outer walls of the water-dividing partition wall two, a filter plate one fixedly connected to the outer walls of the water-dividing partition wall two, a sedimentation tank fixedly connected to the right end of the sedimentation tank, a filter plate two fixedly connected to the middle of the sedimentation tank, a filter screen fixedly connected to the bottom right side of the sedimentation tank, and an adjustment mechanism installed on the top of the sedimentation tank for adjusting the height.

[0007] The above technical solution involves: a water-dividing partition wall 1 fixedly connected to the front side of the sedimentation tank; a second water-dividing partition wall 2 fixedly connected to the inside of the sedimentation tank to further optimize the sedimentation effect; a filter plate 1 fixedly connected to the outer wall of the second water-dividing partition wall 2 to increase the contact area between the water flow and the sediment, and to further improve the filtration efficiency; the filter plate 1 can effectively intercept larger suspended particles; a sedimentation tank fixedly connected to the right end of the sedimentation tank; a filter screen fixedly connected to the bottom right side of the sedimentation tank; the filter screen can effectively intercept larger particles, ensuring the cleanliness of the effluent; and a second filter plate 2 fixedly connected to the middle of the sedimentation tank to enhance the filtration effect.

[0008] As a further description of the above technical solution:

[0009] The regulating mechanism includes a motor, the outer wall of which is mounted on the top of the sedimentation tank. A drive shaft is fixedly connected to the output end of the motor. A gear is fixedly connected to the outer wall of the drive shaft. A gear shaft is meshed with the outer wall of the gear. A sliding sleeve is slidably connected to the outer wall of the gear shaft. A connecting rod is fixedly connected to the bottom of the gear shaft.

[0010] Through the above technical solution: the output end of the motor is designed to be fixedly connected to the transmission shaft, a gear is fixed on the outer wall of the transmission shaft, a sliding sleeve is slidably connected to the outer wall of the gear shaft, the sliding sleeve can slide along the outer wall of the gear shaft, and finally a connecting rod is fixedly connected to the bottom of the gear shaft.

[0011] As a further description of the above technical solution:

[0012] The other end of the drive shaft is rotatably connected to a fixed plate, and a sludge hopper is fixedly connected to the outer wall of the connecting rod.

[0013] The above technical solution involves connecting the other end of the drive shaft to the fixed plate via rotation. This connection method allows the drive shaft to rotate freely, thereby ensuring the flexibility and stability of the entire system.

[0014] As a further description of the above technical solution:

[0015] The top of the sedimentation tank is fixedly connected to a sealing cover, and the top of the sealing cover is fixedly connected to a handle.

[0016] Through the above technical solution: at the top of the sedimentation tank, we found that a sealing cover is firmly connected to it. The function of this sealing cover is to ensure that the environment inside the sedimentation tank remains closed and unpolluted. For easy operation and movement, a handle is also fixedly connected to the top of the sealing cover.

[0017] As a further description of the above technical solution:

[0018] A protective strip is fixedly connected to the front side of the outer wall of the sedimentation tank, and protective plates are fixedly connected to the left and right sides of the outer wall of the sedimentation tank.

[0019] Through the above technical solution: On the front side of the outer wall of the sedimentation tank, we have specially designed and fixed a protective strip to ensure effective protection of the front side of the sedimentation tank during operation. In order to further enhance the safety and durability of the sedimentation tank, we have fixed protective plates on both the left and right sides of the outer wall of the sedimentation tank.

[0020] As a further description of the above technical solution:

[0021] A water inlet trough is fixedly connected to the front side of the outer wall of the sedimentation tank, and a regulating valve is fixedly connected to the outer wall of the water inlet trough.

[0022] The above technical solution involves a water inlet trough fixedly connected to the front side of the outer wall of the sedimentation tank, and a regulating valve fixedly connected to the outer wall of the water inlet trough. In this way, the amount of water entering the sedimentation tank can be effectively controlled, ensuring the normal operation of the sedimentation tank.

[0023] As a further description of the above technical solution:

[0024] A handle is fixedly connected to the outer wall of the sedimentation tank, and a protective sleeve is fixedly connected to the outer wall of the handle.

[0025] Through the above technical solution, a handle is specially designed and fixedly connected to the outer wall of the sedimentation tank. This handle not only makes it convenient for operators to grip when performing maintenance and cleaning work on the sedimentation tank, but also a protective sleeve is fixedly connected to the outer wall of the handle.

[0026] As a further description of the above technical solution:

[0027] A protective plate is fixedly connected to the top of the sedimentation tank, soft pads are fixedly connected to the four corners of the outer wall of the sedimentation tank, and a water outlet trough is fixedly connected to the right side of the outer wall of the sedimentation tank.

[0028] Through the above technical solution: a protective plate is fixedly connected to the top of the sedimentation tank to ensure that the sedimentation tank will not be damaged by the outside during use. In addition, to further protect the sedimentation tank, soft pads are fixedly connected to the four corners of its outer wall.

[0029] As a further description of the above technical solution:

[0030] This utility model has the following beneficial effects:

[0031] 1. In this utility model, when sewage enters from the inlet tank, the sewage will first reach the compartment inside the first water-dividing partition wall, thereby slowing down the sewage flow. At the same time, large impurities in the sewage will settle to the bottom. The sewage will then enter the second water-dividing partition wall from the top of the first water-dividing partition wall. The surface of the second water-dividing partition wall has holes, which can filter the sewage while settling impurities, so that the sewage can be cleaned in an orderly manner, which facilitates later maintenance.

[0032] 2. In this utility model, in order to facilitate the treatment of sludge inside the sedimentation tank, an adjustment mechanism is installed at the top of the sedimentation tank. This mechanism is driven and controlled by a motor, so that the transmission shaft can drive the gear fixedly connected to its outer wall to rotate, so that the gear shaft meshing with the outer wall of the gear can slide inside the sliding sleeve, so that the sliding sleeve can drive the sludge hopper at the bottom to move upward, thereby treating the sludge inside the sludge hopper and greatly improving the cleaning efficiency. Attached Figure Description

[0033] Figure 1 This is a front perspective view of a multi-stage sedimentation tank with an internal water-dividing partition wall proposed in this utility model.

[0034] Figure 2 This is a partial structural diagram of a multi-stage sedimentation tank motor with a built-in water-dividing partition wall proposed in this utility model;

[0035] Figure 3 This is a partial structural diagram of a multi-stage sedimentation tank with an internal water-dividing partition wall, as proposed in this utility model.

[0036] Figure 4 This is a partial cross-sectional view of a multi-stage sedimentation tank filter plate II with an internal water-dividing partition wall proposed in this utility model.

[0037] Figure 5 This is a partial structural diagram of a sliding sleeve for a multi-stage sedimentation tank with an internal water-dividing partition wall proposed in this utility model.

[0038] Legend:

[0039] 1. Sedimentation tank; 2. Adjustment mechanism; 201. Motor; 202. Drive shaft; 203. Sliding sleeve; 204. Gear shaft; 205. Connecting rod; 206. Gear one; 3. Water dividing wall one; 4. Water dividing wall two; 5. Filter plate one; 6. Sedimentation tank; 7. Filter plate two; 8. Filter screen cover; 9. Hole; 10. Protective plate; 11. Sealing cover; 12. Soft pad; 13. Outlet trough; 14. Protective plate; 15. Protective sleeve; 16. Handle one; 17. Handle two; 18. Protective strip; 19. Adjustment valve; 20. Inlet trough; 21. Sludge hopper; 22. Fixing plate. Detailed Implementation

[0040] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0041] Please see the appendix Figure 2 - Appendix Figure 4 An embodiment of this utility model is provided: a multi-stage sedimentation tank with built-in water-dividing partition walls, including a sedimentation tank 1, a water-dividing partition wall 3 fixedly connected to the front side of the interior of the sedimentation tank 1, a water-dividing partition wall 4 fixedly connected to the interior of the sedimentation tank 1, holes 9 being opened on the outer wall of the water-dividing partition wall 4, a filter plate 5 fixedly connected to the outer wall of the water-dividing partition wall 4, a sedimentation box 6 fixedly connected to the right end of the sedimentation tank 1, a filter plate 7 fixedly connected to the middle of the sedimentation box 6, a filter screen cover 8 fixedly connected to the bottom right side of the sedimentation box 6, and an adjustment mechanism 2 installed on the top of the sedimentation tank 1 for adjusting the height;

[0042] Specifically, a water-dividing partition wall 3 is fixedly connected to the front side of the sedimentation tank 1 to ensure uniform water flow. To further optimize the sedimentation effect, a second water-dividing partition wall 4 is also fixedly connected inside the sedimentation tank 1. To increase the contact area between the water flow and the sediment, multiple holes 9 are evenly formed on the outer wall of the second water-dividing partition wall 4. These holes 9 help to ensure uniform water flow and sediment collection. To further improve filtration efficiency, a filter plate 5 is fixedly connected to the outer wall of the second water-dividing partition wall 4. This filter plate 5 can effectively intercept larger suspended particles. At the right end of the sedimentation tank 1, a sedimentation tank 6 is fixedly connected. A filter screen 8 is fixedly connected to the bottom right side of the sedimentation tank 6. This filter screen 8 can effectively intercept larger particles, ensuring the cleanliness of the effluent. To enhance the filtration effect, a second filter plate 7 is fixedly connected to the middle of the sedimentation tank 6. This filter plate 7 can further intercept suspended particles entering the sedimentation tank 6 through the holes 9.

[0043] Please see the appendix Figure 3 - Appendix Figure 5 The regulating mechanism 2 includes a motor 201. The outer wall of the motor 201 is installed on the top of the sedimentation tank 1. The output end of the motor 201 is fixedly connected to a transmission shaft 202. A gear 206 is fixedly connected to the outer wall of the transmission shaft 202. A gear shaft 204 is meshed with the outer wall of the gear 206. A sliding sleeve 203 is slidably connected to the outer wall of the gear shaft 204. A gear 206 is fixedly connected to the outer wall of the transmission shaft 202. The outer wall of the gear 206 meshes tightly with the outer wall of the gear shaft 204. A sliding sleeve 203 is slidably connected to the outer wall of the gear shaft 204, making the entire transmission system more flexible and stable. A connecting rod 205 is fixedly connected to the bottom of the gear shaft 204.

[0044] Specifically, the output end of the motor 201 is designed to be fixedly connected to the transmission shaft 202. A gear 206 is fixedly installed on the outer wall of the transmission shaft 202. The outer wall of the gear 206 meshes with the outer wall of the gear shaft 204. A sliding sleeve 203 is slidably connected to the outer wall of the gear shaft 204. The sliding sleeve 203 can slide along the outer wall of the gear shaft 204. Finally, a connecting rod 205 is fixedly connected to the bottom of the gear shaft 204.

[0045] Please see the appendix Figure 1 - Appendix Figure 3 A fixed plate is rotatably connected to the other end of the drive shaft 202. A sludge hopper 21 is fixedly connected to the outer wall of the connecting rod 205. A sealing cover 11 is fixedly connected to the top of the sedimentation tank 1. A handle 17 is fixedly connected to the top of the sealing cover 11. A protective strip 18 is fixedly connected to the front side of the outer wall of the sedimentation tank 1. Protective plates 14 are fixedly connected to both the left and right sides of the outer wall of the sedimentation tank 1. A protective strip 18 is also fixedly connected to the front side of the outer wall of the sedimentation tank 1 to prevent external objects from damaging the sedimentation tank 1. Finally, protective plates 14 are fixedly connected to both the left and right sides of the outer wall of the sedimentation tank 1.

[0046] Specifically, the other end of the drive shaft 202 is connected to a fixed plate 22 by rotation. A sludge hopper 21 is fixedly connected to the outer wall of the connecting rod 205 of the drive shaft 202. At the same time, a sealing cover 11 is fixedly connected to the top of the sedimentation tank 1 to ensure the sealing of the sedimentation tank 1. A handle 2 17 is also fixedly connected to the top of the sealing cover 11 to facilitate operation by the operator.

[0047] Please see the appendix Figure 2 - Appendix Figure 4An inlet trough 20 is fixedly connected to the front of the outer wall of the sedimentation tank 1. An regulating valve 19 is fixedly connected to the outer wall of the inlet trough 20. A handle 16 is fixedly connected to the outer wall of the sedimentation tank 1. A protective sleeve 15 is fixedly connected to the outer wall of the handle 16. A protective plate 10 is fixedly connected to the top of the sedimentation tank 6. Soft pads 12 are fixedly connected to the four corners of the outer wall of the sedimentation tank 6. An outlet trough 13 is fixedly connected to the right side of the outer wall of the sedimentation tank 6. In order to protect the four corners of the sedimentation tank 6, a soft pad 12 is fixedly connected to each corner. This can reduce the impact damage to the sedimentation tank 6 during transportation or use. Finally, in order to facilitate the discharge of water, an outlet trough 13 is fixedly connected to the right side of the outer wall of the sedimentation tank 6.

[0048] Specifically, an inlet trough 20 is fixedly connected to the front of the outer wall of the sedimentation tank 1 to facilitate the introduction of water. In order to better control the water flow, a regulating valve 19 is fixedly connected to the outer wall of the inlet trough 20 so that the water flow can be adjusted as needed. In addition, for easy operation, a handle 16 is fixedly connected to the outer wall of the sedimentation tank 1 so that the user can easily move or operate the sedimentation tank 1. A protective plate 10 is fixedly connected to the top of the sedimentation tank 6.

[0049] Working principle: When sewage enters through the inlet tank 20, it first reaches the compartment inside the first partition wall 3, thus slowing down the sewage flow. At the same time, impurities in the sewage settle to the bottom. The sewage then enters the second partition wall 4 from the top of the first partition wall 3. The surface of the second partition wall 4 has holes 9, which can both settle impurities and filter the sewage. The sewage is further slowed down by the second partition wall 4 and reaches the bottom of the filter plate 5. Because the internal outlet of the filter plate 5 is located at its top, the sewage settles more deeply inside. Then, the sewage reaches the sedimentation tank 6 for treatment through the top outlet of the filter plate 5. Finally, the sewage is discharged through the outlet tank 13, which allows the sewage to be cleaned in an orderly manner, facilitating later maintenance.

[0050] To facilitate the treatment of sludge inside the sedimentation tank 1, an adjustment mechanism 2 is installed at the top of the sedimentation tank 1. This mechanism is driven and controlled by a motor 201, which enables the transmission shaft 202 to drive the gear 206 fixedly connected to its outer wall to rotate. This allows the gear shaft 204 meshing with the outer wall of the gear 206 to slide inside the sliding sleeve 203, which in turn drives the sludge hopper 21 at the bottom to move upward, thereby treating the sludge inside the sludge hopper 21 and significantly improving the cleaning efficiency.

[0051] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A multi-stage sedimentation tank with built-in water-dividing partition walls, comprising a sedimentation tank (1), characterized in that: The sedimentation tank (1) is fixedly connected to the front of the interior with a water-dividing partition wall (3). The sedimentation tank (1) is fixedly connected to the interior with a water-dividing partition wall (4). Holes (9) are opened on the outer wall of the water-dividing partition wall (4). A filter plate (5) is fixedly connected to the outer wall of the water-dividing partition wall (4). A sedimentation tank (6) is fixedly connected to the right end of the sedimentation tank (1). A filter plate (7) is fixedly connected to the middle of the sedimentation tank (6). A filter screen (8) is fixedly connected to the bottom right side of the sedimentation tank (6). An adjustment mechanism (2) is installed on the top of the sedimentation tank (1). The adjustment mechanism (2) is used to adjust the height.

2. A multi-stage sedimentation tank with built-in water-dividing partition wall as described in claim 1, characterized in that: The regulating mechanism (2) includes a motor (201), the outer wall of which is installed on the top of the sedimentation tank (1). The output end of the motor (201) is fixedly connected to a transmission shaft (202). The outer wall of the transmission shaft (202) is fixedly connected to a gear (206). The outer wall of the gear (206) is meshed with a gear shaft (204). The outer wall of the gear shaft (204) is slidably connected to a sliding sleeve (203). The bottom of the gear shaft (204) is fixedly connected to a connecting rod (205).

3. A multi-stage sedimentation tank with built-in water-dividing partition wall as described in claim 2, characterized in that: The other end of the drive shaft (202) is rotatably connected to a fixed plate (22), and the outer wall of the connecting rod (205) is fixedly connected to a sludge hopper (21).

4. A multi-stage sedimentation tank with built-in water-dividing partition wall as described in claim 1, characterized in that: The top of the sedimentation tank (1) is fixedly connected to a sealing cover (11), and the top of the sealing cover (11) is fixedly connected to a handle (17).

5. A multi-stage sedimentation tank with built-in water-dividing partition wall as described in claim 1, characterized in that: A protective strip (18) is fixedly connected to the front side of the outer wall of the sedimentation tank (1), and protective plates (14) are fixedly connected to the left and right sides of the outer wall of the sedimentation tank (1).

6. A multi-stage sedimentation tank with built-in water-dividing partition wall as described in claim 1, characterized in that: The sedimentation tank (1) is fixedly connected to the front side of the outer wall of the sedimentation tank (1), and the outer wall of the sedimentation tank (20) is fixedly connected to the regulating valve (19).

7. A multi-stage sedimentation tank with built-in water-dividing partition wall as described in claim 1, characterized in that: The outer wall of the sedimentation tank (1) is fixedly connected to a handle (16), and the outer wall of the handle (16) is fixedly connected to a protective sleeve (15).

8. A multi-stage sedimentation tank with built-in water-dividing partition wall according to claim 1, characterized in that: The top of the sedimentation tank (6) is fixedly connected to a protective plate (10), and soft pads (12) are fixedly connected to the four corners of the outer wall of the sedimentation tank (6). A water outlet trough (13) is fixedly connected to the right side of the outer wall of the sedimentation tank (6).

Images