A design method and simulation structure of a pre-sedimentation tank after dual water intake pumps

Abstract

The present application discloses a design method and simulation structure of a double water pump rear pre-sedimentation tank, which comprises a sedimentation tank body, wherein a pre-sedimentation tank is provided on the upper surface of the sedimentation tank body, and there are two pre-sedimentation tanks. A partition wall is provided between the pre-sedimentation tanks, and a conduit is sleeved on the outer surface of the sedimentation tank body. A water intake valve chamber is provided on the upper surface of the sedimentation tank body, and there are two water intake valve chambers. A gate assembly is provided on the upper surface of the partition wall. The present invention can isolate the side that needs maintenance or cleaning by closing the gate body between the pre-sedimentation tanks through the gate assembly, while the other side continues to operate normally, thereby ensuring the continuity of water supply and the stability of the system. Through the sedimentation assembly, the silt particles are accelerated to settle to the bottom of the tank under the action of centrifugal force and gravity, shortening the sedimentation path and time. The sand removal assembly allows the silt particles to enter the sand collecting mechanism for centralized collection, which is convenient for regular cleaning and ensures that the silt particles are quickly discharged.

Description

Technical Field

[0001] The present application relates to the technical field of water treatment engineering, and in particular to a design method and simulation structure of a pre-sedimentation tank after a double water intake pump. Background Art

[0002] With the acceleration of industrialization and urbanization, the efficient use and treatment of water resources has become increasingly important. Pre-sedimentation tanks are a crucial component of water treatment, removing suspended solids and other particulate matter from the water, thereby reducing the pressure on subsequent treatment stages. The design and operation of pre-sedimentation tanks directly impact the efficiency and quality of the entire water treatment system.

[0003] The existing technology still has the following problems:

[0004] 1. Traditional pre-sedimentation tank designs typically utilize a single inlet system, where all water flows into the sedimentation tank through a common inlet. This design is simple, but often ineffective when handling large flow rates or fluctuating water quality. Under high flow conditions, a single inlet can result in excessively rapid water inflow, creating unstable flow dynamics and affecting sedimentation effectiveness. Furthermore, when input water quality deteriorates or contains higher concentrations of suspended solids, a single system is difficult to adjust quickly to maintain treatment efficiency.

[0005] 2. Traditional pre-sedimentation tanks rely on natural sedimentation to remove suspended solids from water. This process is often inefficient, especially when treating large water flows. The rate of natural sedimentation is affected by a variety of factors, including water temperature, particle size, and particle density. This slows the sedimentation process, prolonging the entire water treatment cycle and limiting treatment capacity.

[0006] 3. Over the long term, a large amount of sediment accumulates at the bottom of a pre-sedimentation tank. Traditional desilting methods typically rely on manual or mechanical excavation, which is not only time-consuming and labor-intensive but also frequently results in interruptions to water extraction. Furthermore, frequent mechanical intervention can damage the tank structure, increasing maintenance costs and risks. Summary of the Invention

[0007] To overcome the drawbacks of traditional pre-sedimentation tank designs, which typically utilize a single water inlet method, where all water flows through a common inlet into the sedimentation tank, traditional pre-sedimentation tanks rely on natural sedimentation to remove suspended solids from the water. This process is generally inefficient, and over long-term operation, a large amount of sediment accumulates at the bottom of the pre-sedimentation tank. Traditional dredging methods typically rely on manual or mechanical excavation, which is not only time-consuming and labor-intensive, but also frequently leads to interruptions in the water intake process. The present invention aims to provide a design method and simulation structure for a pre-sedimentation tank with dual water intake pumps to address these shortcomings.

[0008] The present application provides a simulation structure of a pre-sedimentation tank after a double water intake pump, including a sedimentation tank body, a pre-sedimentation tank on the upper surface of the sedimentation tank body, a water pump and a drain pipe provided in the inner cavity of the pre-sedimentation tank, two pre-sedimentation tanks, a partition wall provided between the pre-sedimentation tanks, a conduit sleeved on the outer surface of the sedimentation tank body, a water intake valve chamber provided on the upper surface of the sedimentation tank body, two water intake valve chambers, a gate assembly provided on the upper surface of the partition wall, a sedimentation assembly provided on the inner wall of the pre-sedimentation tank, and only one sedimentation assembly, a sand removal assembly provided at the bottom end of the pre-sedimentation tank, and the gate assembly including a support frame, the support frame It is fixedly connected to the upper surface of the partition wall, a winch is provided at the top of the support frame, and a correction mechanism is provided on the bottom wall of the top of the support frame. A traction rope is wrapped around the outer surface of the winch, and the traction rope passes through the support frame and the correction mechanism, and the traction rope is located in the middle part of the support frame, and the bottom end of the traction rope is fixedly connected to the adjustment mechanism, and a lifting rope is provided at both ends of the adjustment mechanism. The bottom end of the lifting rope is sleeved with a lifting ear, and a gate body is fixedly installed on the lower surface of the lifting ear. There are two lifting ears, and the gate body and the partition wall are slidably connected. A connecting groove is provided at the bottom end of the partition wall, and the gate body covers the connecting groove when the gate body and the bottom end of the partition wall are flush.

[0009] Furthermore, the correction mechanism includes a fixed ring, which is fixedly connected to the top bottom wall of the support frame, the inner cavity of the fixed ring is slidably connected to the first sliding rod, one end of the first sliding rod is fixedly connected to the first correction ring, the outer surface of the first sliding rod is sleeved with a first spring, the first spring is located between the fixed ring and the first correction ring, the inner cavity of the first correction ring is slidably connected to the second sliding ring, one end of the second sliding ring is fixedly installed with the second correction ring, the outer surface of the second sliding ring is sleeved with a second spring, the second spring is located between the first correction ring and the second correction ring, and the traction rope passes through the second correction ring.

[0010] Furthermore, the adjustment mechanism includes an adjustment frame, the inner cavity of the adjustment frame is rotatably connected to a first threaded rod, both ends of the first threaded rod are sleeved with sliders, the slider and the first threaded rod are connected by threads, and the threads at both ends of the first threaded rod are in opposite directions, the traction rope is fixedly connected to the middle part of the adjustment frame, the slider is fixedly connected to the lifting rope, and the end of the lifting rope away from the slider is fixedly sleeved with the lifting ear.

[0011] Furthermore, the sedimentation assembly includes a sedimentation cylinder, the inner cavity of the sedimentation cylinder is rotatably connected to a spiral blade, a first motor is provided on the upper surface of the sedimentation cylinder, the output end of the first motor is socketed with the spiral blade, there is a gap between the bottom end of the sedimentation cylinder and the bottom of the pre-sedimentation tank, and the sedimentation cylinder is connected to the water intake valve chamber.

[0012] Furthermore, the sand removal component includes a second threaded rod, which is rotatably connected to the inner wall of the sedimentation tank body, and the outer surface of the second threaded rod is connected to a push plate through a thread, and the push plate is slidingly connected to the inner wall of the pre-sedimentation tank. A second motor is provided on the outer surface of the sedimentation tank body, and the output end of the second motor is socketed with the second threaded rod. The inner cavity of the sedimentation tank body is socketed with a sand collecting mechanism, and the upper surface of the sand collecting mechanism is flush with the bottom of the pre-sedimentation tank, and there are two sand collecting mechanisms on each pre-sedimentation tank, and the bottom end of the push plate is in close contact with the bottom of the pre-sedimentation tank.

[0013] Furthermore, the sand collecting mechanism includes a dust collecting box, the inner cavity of the dust collecting box is fixedly installed with a guide plate, the guide plates are symmetrically distributed about the middle part of the dust collecting box, and the guide plates are inclined downward along the middle part of the dust collecting box, the inner cavity of the dust collecting box is slidably connected with a collecting block, the middle part of the collecting block is provided with a sand collecting trough, one end of the collecting block is fixedly installed with a handle, the collecting block and the sedimentation tank body are slidably connected, and the sand collecting trough is located between the two guide plates when the handle and the dust collecting box are in contact.

[0014] A design method for a pre-sedimentation tank after a dual water intake pump is implemented by the above simulation structure and includes the following steps:

[0015] S1. Two pre-sedimentation tanks and two water intake valve chambers are provided on the sedimentation tank body. Water is taken in by conduits, and the conduits are connected by a diverter. A diverter is set on a single water intake pipe to distribute the water flow equally or in a predetermined proportion into two independent water inlet pipes. Each pipe is connected to an independent pre-sedimentation tank of the pre-sedimentation tank. Each pre-sedimentation tank is equipped with independent inlet and outlet control valves, which can be opened or closed as needed.

[0016] S2. Use gate assemblies to connect and isolate the two pre-sedimentation tanks. During maintenance, the valves in the pipeline leading to the pre-sedimentation tank under maintenance are closed, while the other tank continues its normal treatment activities. This not only ensures uninterrupted water treatment activities, but also reduces the impact of maintenance on the operation of the entire system.

[0017] S3. Use sedimentation components to settle surface water. Surface water intake has a high sediment content. Accelerating sedimentation is a key step to improve sedimentation efficiency. A spiral device is installed above the surface water pre-sedimentation tank. The spiral blades are arranged in a vertical direction to cover an appropriate area of ​​the pre-sedimentation tank.

[0018] S4. Use sand removal components for automatic silt removal, collect the silt at the bottom of the pre-sedimentation tank, and clean it regularly.

[0019] The technical solution provided by this application has at least the following technical effects or advantages:

[0020] 1. The use of a gate assembly effectively solves the problem of traditional pre-sedimentation tank designs usually adopting a single water inlet method, that is, all water flows into the sedimentation tank through a common water inlet. This design is simple, but it is often not effective in dealing with large flow rates or large fluctuations in water quality. The present invention uses a gate assembly to close the gate body between the pre-sedimentation tanks to isolate the side that needs maintenance or cleaning, while the other side continues to operate normally, ensuring the continuity of water supply and the stability of the system. When the surface water intake system needs to be repaired, the groundwater intake system can still continue to supply water; and when one side of the pre-sedimentation tank needs to be cleaned or maintained, the other side can operate independently, avoiding the risk of the entire system shutting down due to a single device failure.

[0021] 2. The use of a sedimentation assembly effectively solves the problem of traditional pre-sedimentation tanks relying on natural sedimentation to remove suspended solids from the water. This process is generally inefficient, especially when treating large water flows. The speed of natural sedimentation is affected by a variety of factors, including water temperature, particle size, and particle density, which can slow the sedimentation process, thereby extending the entire water treatment cycle and limiting treatment capacity. The present invention uses a sedimentation assembly to accelerate the sedimentation of sediment particles to the tank bottom under the action of centrifugal force and gravity, shortening the sedimentation path and time.

[0022] 3. The use of sand removal components effectively solves the problem of a large amount of sediment accumulating at the bottom of the pre-sedimentation tank during long-term operation. Traditional dredging methods usually rely on manual or mechanical excavation, which is not only time-consuming and labor-intensive, but also often leads to interruptions in the water intake process. In addition, frequent mechanical intervention may damage the tank structure, increasing maintenance costs and risks. The present invention uses sand removal components to allow silt particles to enter the sand collection mechanism for centralized collection, facilitating regular cleaning, ensuring that silt particles are quickly discharged, and avoiding re-suspension, effectively improving silt removal efficiency, reducing manual maintenance requirements, while maintaining water quality and reducing maintenance costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the overall structure of Example 1 of the present application;

[0024] Figure 2 This is a schematic structural diagram of the pre-sedimentation tank 2 in Example 1 of the present application;

[0025] Figure 3 This is a schematic cross-sectional view of the partition wall structure in Example 1 of the present application;

[0026] Figure 4 This is a schematic diagram of the gate assembly structure in Example 1 of the present application;

[0027] Figure 5 This is a structural diagram of the correction mechanism in Example 1 of the present application;

[0028] Figure 6 This is a schematic diagram of the structure of the adjustment mechanism in Example 1 of the present application;

[0029] Figure 7 This is a schematic cross-sectional view of the settling tube structure in Example 1 of the present application;

[0030] Figure 8 This is a schematic diagram of the structure of the sand removal component in Example 2 of this application;

[0031] Figure 9 This is a schematic cross-sectional view of the dust box structure in Example 2 of the present application.

[0032] Figure: 1. Sedimentation tank body; 2. Pre-sedimentation tank; 3. Partition wall; 4. Conduit; 5. Water intake valve chamber; 6. Gate assembly; 61. Support frame; 62. Winch; 63. Correction mechanism; 631. Fixing ring; 632. First slide bar; 633. First correction ring; 634. First spring; 635. Second slide ring; 636. Second correction ring; 637. Second spring; 64. Pull rope; 65. Adjustment mechanism; 651 , adjusting frame; 652, first threaded rod; 653, slider; 66, lifting rope; 67, lifting ear; 68, gate body; 7, sedimentation assembly; 71, sedimentation cylinder; 72, spiral blade; 73, first motor; 8, sand removal assembly; 81, second threaded rod; 82, push plate; 83, second motor; 84, sand collecting mechanism; 841, dust box; 842, guide plate; 843, collecting block; 844, sand collecting trough; 845, handle. DETAILED DESCRIPTION

[0033] Traditional pre-sedimentation tanks are usually designed with a single water inlet method. The present invention uses a gate assembly to close the gate body between the pre-sedimentation tanks to isolate the side that needs maintenance or cleaning, while the other side continues to operate normally, ensuring the continuity of water supply and the stability of the system; traditional pre-sedimentation tanks rely on the natural sedimentation process to remove suspended matter in the water. The present invention uses a sedimentation assembly to accelerate the sedimentation of silt particles to the bottom of the tank under the action of centrifugal force and gravity, shortening the sedimentation path and time; during the long-term operation of the pre-sedimentation tank, a large amount of sediment will accumulate at the bottom of the tank. The present invention uses a sand removal assembly to allow the silt particles to enter the sand collecting mechanism for centralized collection, which is convenient for regular cleaning and ensures that the silt particles are quickly discharged.

[0034] In order to better understand the above technical solution, the above technical solution will be described in detail below with reference to the accompanying drawings and specific implementation methods.

[0035] Example 1: Please refer to Figure 1 and Figure 2As shown, a simulation structure of a pre-sedimentation tank after a double water intake pump comprises a sedimentation tank body 1, a pre-sedimentation tank 2 is provided on the upper surface of the sedimentation tank body 1, a water pump and a drain pipe are provided in the inner cavity of the pre-sedimentation tank 2, wherein the water pipe is submerged in water and has a certain gap from the bottom for discharging the settled water for the next process. There are two pre-sedimentation tanks 2, a partition wall 3 is provided between the pre-sedimentation tanks 2, a conduit 4 is sleeved on the outer surface of the sedimentation tank body 1, a water intake valve chamber 5 is provided on the upper surface of the sedimentation tank body 1, and there are two water intake valve chambers 5, one of which is used to take surface water and the other is used to take groundwater, a gate assembly 6 is provided on the upper surface of the partition wall 3, a sedimentation assembly 7 is provided on the inner wall of the pre-sedimentation tank 2, and there is only one sedimentation assembly 7. It is located in a pre-sedimentation tank 2 connected to a surface water intake valve chamber 5. A sand removal component 8 is provided at the bottom of the pre-sedimentation tank 2. Two pre-sedimentation tanks 2 and two intake valve chambers 5 are opened on the sedimentation tank body 1. A conduit 4 is used to take water, and the conduit 4 is connected through a diverter. A diverter is set on a single water intake pipe to distribute the water flow equally or according to a predetermined proportion to two independent water inlet pipes. Each pipe is connected to an independent pre-sedimentation tank 2 of the pre-sedimentation tank 2. Each pre-sedimentation tank 2 is equipped with independent inlet and outlet control valves, which are opened or closed as needed. A gate component 6 is used to connect and isolate the two pre-sedimentation tanks 2, a sedimentation component 7 is used to settle the surface water, and a sand removal component 8 is used for automatic silt removal.

[0036] See also Figure 3 and Figure 4As shown, the gate assembly 6 includes a support frame 61, which is fixedly connected to the upper surface of the partition wall 3. A winch 62 is provided at the top of the support frame 61, and a correction mechanism 63 is provided on the bottom wall of the top of the support frame 61. The correction mechanism 63 is used to prevent the traction rope 64 from shaking when the traction rope 64 is raised and lowered. The outer surface of the winch 62 is wrapped with a traction rope 64, which passes through the support frame 61 and the correction mechanism 63, and the traction rope 64 is located in the middle part of the support frame 61. The bottom end of the traction rope 64 is fixedly connected to the adjustment mechanism 65, and a lifting rope 66 is provided at both ends of the adjustment mechanism 65. The bottom end of the lifting rope 66 is sleeved with a lifting ear 67, and a gate body 68 is fixedly installed on the lower surface of the lifting ear 67. There are two lifting ears 67. The gate body 68 is slidably connected to the partition wall 3, and the bottom end of the partition wall 3 is connected When the gate body 68 is flush with the bottom end of the partition wall 3, the gate body 68 covers the connecting groove. When the two pre-sedimentation tanks 2 need to be connected, the gate body 68 needs to be lifted in the inner cavity of the partition wall 3. At this time, the winch 62 drives the traction rope 64 to reel in. The reeling of the traction rope 64 drives the adjustment mechanism 65 to lift. The adjustment mechanism 65 drives the lifting rope 66 to move upward. The lifting rope 66 drives the lifting lug 67 to move upward. The lifting lug 67 then drives the gate body 68 to move in the inner cavity of the partition wall 3, thereby connecting the two pre-sedimentation tanks 2. When one of the pre-sedimentation tanks 2 needs to be repaired or maintained, the gate body 68 between the pre-sedimentation tanks 2 can be closed to isolate the side that needs repair or cleaning, while the other side continues to operate normally, ensuring the continuity of water supply and the stability of the system. For example, when the surface water intake system needs to be repaired, the groundwater intake system can still continue to supply water; and when one side of the pre-sedimentation tank 2 needs to be cleaned or maintained, the other side can operate independently. This design ensures that the system can maintain stable water treatment capacity under different working conditions, avoiding the risk of the entire system shutting down due to a single device failure.

[0037] See also Figure 4 and Figure 5As shown, the correction mechanism 63 includes a fixed ring 631, which is fixedly connected to the top and bottom walls of the support frame 61, and the inner cavity of the fixed ring 631 is slidably connected to the first slide rod 632, one end of the first slide rod 632 is fixedly connected to the first correction ring 633, and the outer surface of the first slide rod 632 is sleeved with a first spring 634, the first spring 634 is located between the fixed ring 631 and the first correction ring 633, the inner cavity of the first correction ring 633 is slidably connected to the second slide ring 635, one end of the second slide ring 635 is fixedly installed with a second correction ring 636, the outer surface of the second slide ring 635 is sleeved with a second spring 637, the second spring 637 is located between the first correction ring 633 and the second correction ring 63 6, the traction rope 64 passes through the second correction ring 636. When the traction rope 64 shakes during lifting and lowering, the second correction ring 636 moves, and the movement of the second correction ring 636 drives the second spring 637 or the first spring 634 to be compressed. Since the fixing ring 631 is fixed, the first correction ring 633 and the second correction ring 636 are restored to their original positions under the elastic force of the first spring 634 and the second spring 637, so that the second correction ring 636 always remains in its original position. Therefore, when the traction rope 64 shakes, the second correction ring 636 has the effect of correcting the traction rope 64, which is convenient for maintaining stability when the gate body 68 goes up and down, preventing the gate body 68 from colliding with the partition wall 3, and improving the service life of the equipment.

[0038] See also Figure 4 and Figure 6 As shown, the adjustment mechanism 65 includes an adjustment frame 651, and the inner cavity of the adjustment frame 651 is rotatably connected to the first threaded rod 652, and the two ends of the first threaded rod 652 are sleeved with sliders 653. The slider 653 and the first threaded rod 652 are connected by threads, and the threads at the two ends of the first threaded rod 652 are in opposite directions. The traction rope 64 is fixedly connected to the middle part of the adjustment frame 651, and the slider 653 is fixedly connected to the suspension rope 66. The end of the suspension rope 66 away from the slider 653 is fixedly sleeved with the lifting ear 67. The slider 653 is driven to move on the adjustment frame 651 by rotating the first threaded rod 652, so that the spacing of the sliders 653 changes, so that the spacing of the suspension ropes 66 and the spacing of the lifting ears 67 remain equal, so that the gate body 68 is evenly stressed during lifting and lowering, thereby increasing the stability of the gate body 68.

[0039] See also Figure 2 and Figure 7As shown, the sedimentation assembly 7 includes a sedimentation cylinder 71, the inner cavity of the sedimentation cylinder 71 is rotatably connected to a spiral blade 72, the upper surface of the sedimentation cylinder 71 is provided with a first motor 73, the output end of the first motor 73 is sleeved with the spiral blade 72, and there is a gap between the bottom end of the sedimentation cylinder 71 and the bottom of the pre-sedimentation tank 2. The middle part of the sedimentation cylinder 71 is connected to the water intake valve chamber 5, and the sediment particles are directly at the lowest end. When water enters the sedimentation cylinder 71, the operation of the first motor 73 drives the spiral blade 72 to rotate so that the sediment particles attached to the water quickly settle to the bottom of the pre-sedimentation tank 2, that is, the water flow entering the pre-sedimentation tank 2 forms a vortex, and the sediment particles are accelerated to settle to the bottom of the tank under the action of centrifugal force, shortening the sedimentation path and time.

[0040] Example 2: Please refer to Figure 1 and Figure 8 As shown, the sand removal component 8 includes a second threaded rod 81, which is rotatably connected to the inner wall of the sedimentation tank body 1. The outer surface of the second threaded rod 81 is connected to a push plate 82 by a thread, and the push plate 82 is slidably connected to the inner wall of the pre-sedimentation tank 2. The outer surface of the sedimentation tank body 1 is provided with a second motor 83, and the output end of the second motor 83 is sleeved with the second threaded rod 81. The inner cavity of the sedimentation tank body 1 is sleeved with a sand collecting mechanism 84, and the upper surface of the sand collecting mechanism 84 is flush with the bottom of the pre-sedimentation tank 2, and each pre-sedimentation tank 2 There are two sand collecting mechanisms 84 on the top. The bottom end of the push plate 82 is in close contact with the bottom of the pre-sedimentation tank 2. Under the operation of the second motor 83, the push plate 82 is driven to move back and forth on the second threaded rod 81. The movement of the push plate 82 drives the push plate 82 to push the silt particles at the bottom of the pre-sedimentation tank 2, so that the silt particles enter the sand collecting mechanism 84 for centralized collection, which is convenient for regular cleaning. After the silt particles are scraped to the sand collecting mechanism 84 at the edge of the pool, they naturally flow to the middle of the sand collecting mechanism 84 by gravity, ensuring rapid discharge and avoiding re-suspension. This application effectively improves the efficiency of silt removal, reduces the need for manual maintenance, maintains water quality, and reduces maintenance costs.

[0041] See also Figure 8 and Figure 9As shown, the sand collecting mechanism 84 includes a dust collecting box 841, and the inner cavity of the dust collecting box 841 is fixedly installed with a guide plate 842. The guide plates 842 are symmetrically distributed about the middle part of the dust collecting box 841, and the guide plates 842 are tilted downward along the middle part of the dust collecting box 841. The inner cavity of the dust collecting box 841 is slidably connected with a collecting block 843, and the middle part of the collecting block 843 is provided with a sand collecting groove 844. A handle 845 is fixedly installed at one end of the collecting block 843. The collecting block 843 is slidably connected to the sedimentation tank body 1, and the handle 845 is connected to the dust collecting block 843. When the box 841 is fitted, the sand collecting trough 844 is located between the two guide plates 842. When the silt particles are pushed to the dust collecting box 841, the guide plates 842 are used to guide the silt particles into the inner cavity of the sand collecting trough 844. By regularly pulling the handle 845, the collecting block 843 is driven to slide in the inner cavity of the dust collecting box 841, so that the sand collecting trough 844 is exposed. At this time, the silt particles can be discharged. At the same time, the collecting block 843 body has a shielding effect between the guide plates 842, preventing excess silt particles at the bottom of the pre-sedimentation tank 2 from leaking between the guide plates 842.

[0042] In summary, two pre-sedimentation tanks 2 and two water intake valve chambers 5 are set on the sedimentation tank body 1, and water is taken in by a conduit 4, and the conduit 4 is connected through a diverter. A diverter is set on a single water intake pipe to distribute the water flow equally or according to a predetermined proportion to two independent water inlet pipes, and each pipe is connected to an independent pre-sedimentation tank 2 of the pre-sedimentation tank 2. Each pre-sedimentation tank 2 is equipped with independent inlet and outlet control valves, which are opened or closed as needed; a gate assembly 6 is used to connect and isolate the two pre-sedimentation tanks 2. When maintenance is carried out, the valve of the pipeline entering the pre-sedimentation tank 2 under maintenance is closed, while the other tank body continues its normal treatment activities. This not only ensures the uninterrupted water treatment activities, but also reduces the impact of maintenance on the operation of the entire system; the sedimentation component 7 is used to settle the surface water. The surface water intake has a high sediment content. Accelerating sedimentation is a key step to improve sedimentation efficiency. A spiral device is installed above the surface water pre-sedimentation tank 2. The spiral blades 72 are arranged in the vertical direction to cover the appropriate area of ​​the pre-sedimentation tank 2; the sand removal component 8 is used for automatic dredging, and the sediment is collected and cleaned regularly at the bottom of the pre-sedimentation tank 2. By improving the water inlet method, strengthening the sedimentation process and optimizing the dredging mechanism, the shortcomings of the traditional pre-sedimentation tank 2 in large flow treatment, water quality fluctuations and dredging maintenance are solved.

[0043] Obviously, those skilled in the art may make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if such changes and modifications fall within the scope of the claims and their equivalents, the present invention is intended to include such changes and modifications.

[0044] The above is only a preferred specific implementation method of the embodiment of the present application, but the scope of protection of the present application is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes based on the technical solution and concept of the present application within the technical scope disclosed in the present application, and they should be covered by the scope of protection of the present application.

Claims

1. A simulation structure of a pre-sedimentation tank after a double water pump, comprising a sedimentation tank body (1), characterized in that: A pre-sedimentation tank (2) is provided on the upper surface of the sedimentation tank body (1), a water pump and a drain pipe are provided in the inner cavity of the pre-sedimentation tank (2), there are two pre-sedimentation tanks (2), a partition wall (3) is provided between the pre-sedimentation tanks (2), a conduit (4) is sleeved on the outer surface of the sedimentation tank body (1), a water intake valve chamber (5) is provided on the upper surface of the sedimentation tank body (1), there are two water intake valve chambers (5), a gate assembly (6) is provided on the upper surface of the partition wall (3), a sedimentation assembly (7) is provided on the inner wall of the pre-sedimentation tank (2), and there is only one sedimentation assembly (7), and a sand removal assembly (8) is provided at the bottom end of the pre-sedimentation tank (2); The gate assembly (6) includes a support frame (61), the support frame (61) is fixedly connected to the upper surface of the partition wall (3), a winch (62) is provided at the top end of the support frame (61), a correction mechanism (63) is provided at the bottom wall of the top end of the support frame (61), a traction rope (64) is wound around the outer surface of the winch (62), and the traction rope (64) passes through the support frame (61) and the correction mechanism (63); The correction mechanism (63) includes a fixed ring (631), the fixed ring (631) and the top and bottom walls of the support frame (61) are fixedly connected, the inner cavity of the fixed ring (631) is slidably connected to a first slide bar (632), one end of the first slide bar (632) is fixedly connected to a first correction ring (633), the outer surface of the first slide bar (632) is sleeved with a first spring (634), the first spring (634) is located between the fixed ring (631) and the first correction ring (633), the inner cavity of the first correction ring (633) is slidably connected to a second slide ring (635), one end of the second slide ring (635) is fixedly installed with a second correction ring (636), the outer surface of the second slide ring (635) is sleeved with a second spring (637), the second spring (637) is located between the first correction ring (633) and the second correction ring (636), and the traction rope (64) passes through the second correction ring (636); The inner cavity of the sedimentation tank body (1) is sleeved with a sand collecting mechanism (84), and the upper surface of the sand collecting mechanism (84) is flush with the bottom of the pre-sedimentation tank (2); The sand collecting mechanism (84) comprises a dust collecting box (841), the inner cavity of the dust collecting box (841) is fixedly mounted with a guide plate (842), the guide plates (842) are symmetrically distributed about the middle portion of the dust collecting box (841), and the guide plates (842) are tilted downward along the middle portion of the dust collecting box (841), the inner cavity of the dust collecting box (841) is slidably connected with a collecting block (843), the middle portion of the collecting block (843) is provided with a sand collecting trough (844), one end of the collecting block (843) is fixedly mounted with a handle (845), the collecting block (843) is slidably connected to the sedimentation tank body (1), and when the handle (845) and the dust collecting box (841) are in contact, the sand collecting trough (844) is located between the two guide plates (842).

2. A simulation structure of a pre-sedimentation tank after a double water intake pump as claimed in claim 1, characterized in that: The traction rope (64) is located in the middle of the support frame (61), the bottom end of the traction rope (64) is fixedly connected to the adjustment mechanism (65), and the two ends of the adjustment mechanism (65) are provided with a suspension rope (66), the bottom end of the suspension rope (66) is sleeved with a lifting ear (67), and the lower surface of the lifting ear (67) is fixedly installed with a gate body (68), and there are two lifting ears (67). The gate body (68) and the partition wall (3) are slidably connected, and a connecting groove is opened at the bottom end of the partition wall (3), and when the gate body (68) and the bottom end of the partition wall (3) are flush, the gate body (68) covers the connecting groove.

3. A simulation structure of a pre-sedimentation tank after a double water intake pump as claimed in claim 2, characterized in that: The adjusting mechanism (65) includes an adjusting frame (651), the inner cavity of the adjusting frame (651) is rotatably connected to a first threaded rod (652), both ends of the first threaded rod (652) are sleeved with sliders (653), the slider (653) and the first threaded rod (652) are connected by threads, and the threads at both ends of the first threaded rod (652) are in opposite directions, the traction rope (64) is fixedly connected to the middle part of the adjusting frame (651), the slider (653) and the suspension rope (66) are fixedly connected, and the end of the suspension rope (66) away from the slider (653) is fixedly sleeved with the lifting ear (67).

4. The simulation structure of a pre-sedimentation tank after a double water intake pump according to claim 1, characterized in that: The sedimentation assembly (7) includes a sedimentation cylinder (71), the inner cavity of the sedimentation cylinder (71) is rotatably connected to a spiral blade (72), the upper surface of the sedimentation cylinder (71) is provided with a first motor (73), the output end of the first motor (73) and the spiral blade (72) are sleeved, a gap is formed between the bottom end of the sedimentation cylinder (71) and the bottom of the pre-sedimentation tank (2), and the sedimentation cylinder (71) is connected to the water intake valve chamber (5).

5. The simulation structure of a pre-sedimentation tank after a double water intake pump according to claim 1, characterized in that: The sand removal assembly (8) includes a second threaded rod (81), the second threaded rod (81) is rotatably connected to the inner wall of the sedimentation tank body (1), the outer surface of the second threaded rod (81) is connected to a push plate (82) by a thread, the push plate (82) is slidably connected to the inner wall of the pre-sedimentation tank (2), the outer surface of the sedimentation tank body (1) is provided with a second motor (83), the output end of the second motor (83) is sleeved with the second threaded rod (81), and each pre-sedimentation tank (2) is provided with two sand collecting mechanisms (84), and the bottom end of the push plate (82) is in close contact with the bottom of the pre-sedimentation tank (2).

6. A design method for a pre-sedimentation tank after a dual water intake pump, implemented by a simulation structure of a pre-sedimentation tank after a dual water intake pump according to any one of claims 1 to 5, characterized in that: The following steps are involved: S1. Two pre-sedimentation tanks (2) and two water intake valve chambers (5) are provided on the sedimentation tank body (1). Water is taken in by a conduit (4), and the conduit (4) is connected via a diverter. A diverter is set on a single water intake pipe to distribute the water flow equally or in a predetermined proportion to two independent water inlet pipes. Each pipe is connected to an independent pre-sedimentation tank (2) of the pre-sedimentation tank (2). Each pre-sedimentation tank (2) is equipped with independent inlet and outlet control valves, which are opened or closed as needed. S2. Use a gate assembly (6) to connect and isolate the two pre-sedimentation tanks (2). When maintenance is being carried out, the valve of the pipeline entering the pre-sedimentation tank (2) under maintenance is closed, while the other tank body continues its normal treatment activities. This not only ensures that the water treatment activities are not interrupted, but also reduces the impact of maintenance on the operation of the entire system; S3. Using a sedimentation assembly (7) to sediment the surface water. The surface water has a high sediment content. Accelerating sedimentation is a key step to improve sedimentation efficiency. A spiral device is installed above the surface water pre-sedimentation tank (2). The spiral blades are arranged in a vertical direction to cover an appropriate area of ​​the pre-sedimentation tank (2); S4. Automatically remove silt using a sand removal assembly (8), collect the silt at the bottom of the pre-sedimentation tank (2), and clean it regularly.

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