Urban lake rain and sewage mixed flow ecological purification device and use method

Abstract

The application relates to a rainwater and sewage mixed flow ecological purification device for urban lakes and a use method, which comprises a purification box, a mixed flow pipe is communicated with the left end of the purification box, floating plates are connected to the front and back of the outer wall of the purification box, two parallel conveying rollers are rotationally connected in the purification box, a driving motor is connected to the front end of the upper conveying roller, a grating net belt is arranged between the outer walls of the two conveying rollers, a discharge box is connected to the right end of the purification box, a waste collecting box is connected to the front end of the discharge box, a filter frame is connected to the right side of the inner cavity of the purification box, biological fillers are filled in the filter frame, a water outlet is arranged in the bottom of the right side wall of the purification box, and a storage battery and a wireless controller are connected to the outer wall of the purification box. The application has a reasonable structure and can achieve good ecological purification effect.

Description

Technical Field

[0001] This invention relates to the field of ecological purification technology, and in particular to an ecological purification device and method for using urban lakes with combined sewer overflows. Background Technology

[0002] With economic development and the deepening of urbanization, the urban population has risen sharply, and the amount of sewage discharged into cities has increased day by day, making water pollution problems more and more serious, especially the problem of rainwater and sewage mixing. During rainy seasons, a large amount of rainwater enters the sewage system, causing sewage pumping stations and sewage treatment plants to be unable to receive and treat it, and thus discharge it into urban lakes, resulting in a deterioration of the water quality of urban lakes.

[0003] In a rainwater and sewage mixed discharge outlet purification device, a flexible water tank is used in conjunction with ecological filler to purify the rainwater and sewage mixed flow, which can achieve a certain purification effect. However, this solution cannot collect and treat impurities, and the purification effect will decrease significantly with the increase of usage time. Summary of the Invention

[0004] The purpose of this invention is to provide an ecological purification device for combined sewer overflow in urban lakes, comprising a purification tank, a mixing pipe connected to the left end of the purification tank, float plates connected to the front and rear of the outer wall of the purification tank, two parallel conveying rollers rotatably connected inside the purification tank, a drive motor connected to the front end of the upper conveying roller, a grid mesh belt sleeved between the outer walls of the two conveying rollers, a discharge box connected to the right end of the purification tank, a waste collection box connected to the front end of the discharge box, a filter frame connected to the right side of the inner cavity of the purification tank, the filter frame being filled with biological filler, a water outlet opened at the bottom of the right side wall of the purification tank, and a battery and a wireless controller connected to the outer wall of the purification tank.

[0005] Preferably, in the urban lake combined sewer ecological purification device, a first through groove is provided between the discharge box and the purification box, a guide plate is connected in the first through groove, the left end of the guide plate abuts against the grid belt, the guide plate is located above the biological filler, a central shaft is rotatably connected in the discharge box, a spiral auger is connected to the outer wall of the central shaft, the central shaft is connected to the rear end of the upper conveying roller by belt drive, and a second through groove is provided between the discharge box and the waste collection box.

[0006] Preferably, in an ecological purification device for combined rainwater and sewage flow in urban lakes, the upper end of the waste collection box is abutted against a pressure cap, the top of the pressure cap is connected to a handle, the bottom of the pressure cap is connected to a fixing rod, the lower end of the fixing rod is connected to a pull-out box, and the upper surface of the pull-out box is set lower than the lower surface of the second through groove.

[0007] Preferably, in an ecological purification device for combined rainwater and sewage in urban lakes, the upper end of the grid mesh belt is inclined to the right, and the front and rear ends of the grid mesh belt are connected with sealing strips. The sealing strips abut against the inner wall of the purification box, and the outer wall of the grid mesh belt is connected with multiple rake teeth. The left end of the guide plate is provided with a clearance opening for the rake teeth to pass through.

[0008] Preferably, in an ecological purification device for combined sewer overflow in urban lakes, a cultivation trough is connected to the top of the purification tank, a perforated plate is connected to the upper end of the cultivation trough, hydroponic plants are planted in the perforated plate, a fixing pipe clamp is connected to the right end of the discharge box, a drainage pipe is connected inside the fixing pipe clamp, the lower end of the drainage pipe is connected to the right side wall of the purification tank, a pump body is installed in the drainage pipe, and a spray pipe is connected to the upper end of the drainage pipe, the spray pipe is located above the cultivation trough.

[0009] Preferably, in an ecological purification device for combined rainwater and sewage flow in urban lakes, a collar is connected to both the left side wall of the purification box and the right side wall of the discharge box, and a positioning rod is movably inserted into the collar.

[0010] Preferably, in an ecological purification device for combined rainwater and sewage flow in urban lakes, a solar panel is installed on the top of the floating plate, and the solar panel is connected to a storage battery through a charge and discharge controller.

[0011] Preferably, in an ecological purification device for combined rainwater and sewage flow in urban lakes, the bottom surface of the floating plate is set lower than the upper end of the biological filler.

[0012] The method of using an ecological purification device for combined sewer overflow in urban lakes is characterized by including the following:

[0013] The device components can be controlled by connecting an external mobile terminal via a wireless controller.

[0014] The purification tank is placed in the city's water body, and a float board is used to make the purification tank float in the water.

[0015] The combined rainwater and sewage flow is introduced into the purification tank along the mixing pipe, and the impurities in the mixed water are filtered and intercepted by the bar screen belt.

[0016] The intercepted water enters the right side of the purification tank, where it undergoes secondary purification and filtration using biological filter media.

[0017] The drive motor drives the conveyor rollers to rotate, and the grid belt rotates accordingly, sending the intercepted impurities into the height;

[0018] Impurities enter the discharge box along the guide plate under their own weight. The central shaft is connected to the rear end of the upper conveyor roller through belt drive, so that the grid belt and the central shaft run simultaneously.

[0019] The spiral auger conveys the impurities forward, feeding them into the waste collection box along the second channel;

[0020] When the grid belt is running, the rake teeth hook impurities to prevent them from sliding to the left due to their own weight;

[0021] Sealing strips prevent the gap between the grid mesh belt and the purification box; the pressure cap seals the upper end of the waste collection box; after the spiral auger operates, impurities are introduced along the second channel;

[0022] Collect the items in the pull-out box, and pull the handle upwards to remove the box for processing.

[0023] Compared with the prior art, the beneficial effects of the present invention are:

[0024] 1. The present invention has a reasonable structural design. It uses a bar screen to filter and intercept impurities in mixed water bodies and uses biological fillers for secondary purification and filtration, which can achieve a good ecological purification effect. The bar screen and the central shaft run simultaneously, and the spiral auger can transport impurities forward and then send them into the waste collection box for collection and treatment along the second channel.

[0025] 2. In this invention, when the grid belt is running, the rake teeth can hook impurities, preventing them from sliding to the left due to their own weight. The sealing strip is used to block the gap between the grid belt and the purification box, ensuring the interception effect. The top of the waste collection box is sealed with a pressure cap to prevent impurities from entering. The handle allows the pull-out box to be removed for processing, which is convenient and quick.

[0026] 3. In this invention, the purification box can rise and fall with the water level. It uses solar panels to absorb and convert light energy, which is energy-saving and environmentally friendly. The top of the purification box is equipped with a cultivation trough to improve the overall appearance. The pump body is used to guide the water flow and spray the hydroponic plants while accelerating the water flow efficiency in the purification box, which helps to ensure the purification effect. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0028] Figure 2 This is a schematic diagram of the internal structure of the present invention;

[0029] Figure 3 This is a top view of the structure of the present invention;

[0030] Figure 4 This is a cross-sectional view of the waste collection box.

[0031] Figure 5 This is a top view of the grid mesh structure.

[0032] Figure 6 This is a top view of the guide plate.

[0033] In the diagram: 1. Purification box; 2. Mixing pipe; 3. Float plate; 4. Conveying roller; 5. Drive motor; 6. Grille belt; 7. Discharge box; 8. Waste collection box; 9. Filter frame; 10. Biological packing material; 11. Outlet; 12. Cultivation tank; 13. Perforated plate; 14. Hydroponic plant; 15. Fixing pipe clamp; 16. Drainage pipe; 17. Pump body; 18. Spray pipe; 19. Collar; 20. Positioning rod; 21. Battery; 22. Wireless controller; 31. Solar panel; 61. Sealing strip; 62. Rake teeth; 71. First channel; 72. Guide plate; 73. Central shaft; 74. Spiral auger; 75. Second channel; 81. Pressure cap; 82. Handle; 83. Fixing rod; 84. Pull-out box; 721. Clearance opening. Detailed Implementation

[0034] Example 1

[0035] Please see Figure 1-6 As shown, the urban lake rainwater and sewage mixed flow ecological purification device includes a purification box 1. The left end of the purification box 1 is connected to a mixing pipe 2. The outer wall of the purification box 1 is connected to the front and rear of a floating plate 3. Two parallel conveying rollers 4 are rotatably connected inside the purification box 1. The front end of the upper conveying roller 4 is connected to a drive motor 5. A grid mesh belt 6 is sleeved between the outer walls of the two conveying rollers 4. The right end of the purification box 1 is connected to a discharge box 7. The front end of the discharge box 7 is connected to a waste collection box 8. The right side of the inner cavity of the purification box 1 is connected to a filter frame 9. The filter frame 9 is filled with biological filler 10. The bottom of the right side wall of the purification box 1 has a water outlet 11. The outer wall of the purification box 1 is connected to a battery 21 and a wireless controller 22.

[0036] A first through groove 71 is provided between the discharge box 7 and the purification box 1. A guide plate 72 is connected in the first through groove 71. The left end of the guide plate 72 abuts against the grid belt 6. The guide plate 72 is located above the biological packing material 10. A central shaft 73 is rotatably connected in the discharge box 7. A spiral auger 74 is connected to the outer wall of the central shaft 73. The central shaft 73 is connected to the rear end of the upper conveying roller 4 through belt drive. A second through groove 75 is provided between the discharge box 7 and the waste collection box 8.

[0037] The bottom of the float plate 3 is set lower than the top of the biological filler 10, which enables effective filtration of the water.

[0038] The specific implementation method of this embodiment is as follows:

[0039] When in use, the wireless controller 22 is connected to an external mobile terminal for easy control of the equipment components. The purification box 1 is placed in the urban water body, and the float plate 3 drives the purification box 1 to float in the water. The rainwater and sewage mixed flow is introduced into the purification box 1 along the mixed flow pipe 2. The bar screen belt 6 filters and intercepts the impurities in the mixed flow water. The intercepted water enters the right side of the purification box 1 and is then purified and filtered again by the biological filler 10, which can achieve a good ecological purification effect. The drive motor 5 drives the conveyor roller 4 to rotate, and the bar screen belt 6 can rotate accordingly, thereby sending the intercepted impurities to the height. Under the action of its own weight, the impurities enter the discharge box 7 along the guide plate 72. The central shaft 73 is connected to the rear end of the upper conveyor roller 4 through belt drive, so that the bar screen belt 6 and the central shaft 73 run simultaneously. The spiral auger 74 can transport the impurities forward and then send them into the waste collection box 8 for collection along the second channel 75.

[0040] Example 2

[0041] Based on Embodiment 1, the upper end of the waste collection box 8 is abutted against a pressure cover 81, the top of the pressure cover 81 is connected to a handle 82, the bottom of the pressure cover 81 is connected to a fixing rod 83, the lower end of the fixing rod 83 is connected to a pull-out box 84, and the upper surface of the pull-out box 84 is set lower than the lower surface of the second through groove 75.

[0042] The upper end of the grid mesh belt 6 is inclined to the right. The front and rear ends of the grid mesh belt 6 are connected with sealing strips 61. The sealing strips 61 abut against the inner wall of the purification box 1. Multiple rake teeth 62 are connected to the outer wall of the grid mesh belt 6. The left end of the guide plate 72 is provided with a clearance opening 721 for the rake teeth 62 to pass through.

[0043] The specific implementation method of this embodiment is as follows:

[0044] In this embodiment, when the grid belt 6 is running, the rake teeth 62 can hook impurities, preventing them from sliding to the left due to their own weight. The sealing strip 61 blocks the gap between the grid belt 6 and the purification box 1, ensuring the interception effect. The pressure cap 81 seals the upper end of the waste collection box 8 to prevent impurities from entering. After the spiral auger 74 is running, the impurities are introduced along the second through groove 75 and collected by the pull-out box 84. The pull-out box 84 can be removed for processing by periodically pulling the handle 82 upwards, which is convenient and quick.

[0045] Example 3

[0046] Based on Embodiment 2, a cultivation trough 12 is connected to the top of the purification tank 1. A perforated plate 13 is connected to the upper end of the cultivation trough 12, and hydroponic plants 14 are planted in the perforated plate 13. A fixing clamp 15 is connected to the right end of the discharge box 7. A drainage pipe 16 is connected inside the fixing clamp 15. The lower end of the drainage pipe 16 is connected to the right side wall of the purification tank 1. A pump body 17 is installed in the drainage pipe 16. A spray pipe 18 is connected to the upper end of the drainage pipe 16. The spray pipe 18 is located above the cultivation trough 12.

[0047] The left side wall of the purification tank 1 and the right side wall of the discharge box 7 are both connected to a collar 19. A positioning rod 20 is movably inserted into the collar 19. The positioning rod 20 is inserted into the bottom of the water body, and the purification tank 1 can rise and fall synchronously with the water level.

[0048] A solar panel 31 is installed on the top of the floating plate 3. The solar panel 31 is connected to a battery 21 through a charge and discharge controller, which is energy-saving and environmentally friendly.

[0049] The specific implementation method of this embodiment is as follows:

[0050] In this embodiment, the collar 19 and the positioning rod 20 work together to allow the purification box 1 to rise and fall with the water level, ensuring the purification effect. The solar panel 31 absorbs and converts light energy, which is energy-saving and environmentally friendly. A cultivation trough 12 is set on the top of the purification box 1, and the hydroponic plants inside can improve the overall appearance. The pump body 17 is used to guide the flow and spray the hydroponic plants to ensure the cultivation effect. At the same time, the pump body 17 can accelerate the water flow efficiency in the purification box 1, which is conducive to ensuring the purification effect.

[0051] Example 4

[0052] The usage method of the urban lake stormwater and sewage combined flow ecological purification device includes the following:

[0053] The operation of the equipment components can be controlled by connecting an external mobile terminal via the wireless controller 22;

[0054] Place the purification tank 1 in the urban water body and use the float plate 3 to make the purification tank 1 float in the water;

[0055] The mixed flow of rainwater and sewage is introduced into the purification box 1 through the mixed flow pipe 2, and the impurities in the mixed water are filtered and intercepted by the grid mesh belt 6.

[0056] The intercepted water enters the right side of the purification tank 1 and undergoes secondary purification and filtration using biological filler 10.

[0057] The drive motor 5 drives the conveyor roller 4 to rotate, and the grid belt 6 rotates accordingly, sending the intercepted impurities into the height;

[0058] Impurities enter the discharge box 7 along the guide plate 72 under their own weight. The central shaft 73 is connected to the rear end of the upper conveyor roller 4 through belt drive, so that the grid belt 6 and the central shaft 73 run simultaneously.

[0059] Spiral auger 74 conveys impurities forward and sends them into waste collection box 8 along the second channel 75 for collection;

[0060] When the grid belt 6 is running, the rake teeth 62 hook the impurities and prevent them from sliding to the left due to their own weight.

[0061] Sealing strip 61 blocks the gap between the grid mesh belt 6 and the purification box 1;

[0062] The pressure cap 81 seals the upper end of the waste collection box 8;

[0063] After the spiral auger 74 is in operation, impurities are introduced along the second through groove 75.

[0064] Collect the contents of the pull-out box 84, and pull up the handle 82 to remove the pull-out box 84 for processing.

Claims

1. An ecological purification device for combined sewer overflow in urban lakes, comprising a purification tank (1), characterized in that: The purification box (1) is connected to a mixing pipe (2) at the left end. The purification box (1) is connected to a float plate (3) at the front and back of the outer wall. The purification box (1) is rotatably connected to two parallel conveying rollers (4). The front end of the upper conveying roller (4) is connected to a drive motor (5). A grid mesh belt (6) is sleeved between the outer walls of the two conveying rollers (4). The purification box (1) is connected to a discharge box (7) at the right end. The front end of the discharge box (7) is connected to a waste collection box (8). The purification box (1) is connected to a filter frame (9) on the right side of the inner cavity. The filter frame (9) is filled with biological filler (10). The bottom of the right side wall of the purification box (1) is provided with a water outlet (11). The purification box (1) is connected to a battery (21) and a wireless controller (22) on the outer wall. The top of the purification box (1) is connected to a cultivation tank (12), the upper end of the cultivation tank (12) is connected to a perforated plate (13), hydroponic plants (14) are planted in the perforated plate (13), the right end of the discharge box (7) is connected to a fixing clamp (15), the fixing clamp (15) is connected to a drainage pipe (16), the lower end of the drainage pipe (16) is connected to the right side wall of the purification box (1), a pump body (17) is installed in the drainage pipe (16), the upper end of the drainage pipe (16) is connected to a spray pipe (18), and the spray pipe (18) is located above the cultivation tank (12).

2. The urban lake stormwater and sewage combined flow ecological purification device according to claim 1, characterized in that: A first through groove (71) is provided between the discharge box (7) and the purification box (1). A guide plate (72) is connected in the first through groove (71). The left end of the guide plate (72) abuts against the grid belt (6). The guide plate (72) is located above the biological packing material (10). A central shaft (73) is rotatably connected in the discharge box (7). A spiral auger (74) is connected to the outer wall of the central shaft (73). The central shaft (73) is connected to the rear end of the upper conveying roller (4) by belt drive. A second through groove (75) is provided between the discharge box (7) and the waste collection box (8).

3. The urban lake stormwater and sewage combined flow ecological purification device according to claim 2, characterized in that: The upper end of the waste collection box (8) is abutted by a pressure cover (81), the top of the pressure cover (81) is connected to a handle (82), the bottom of the pressure cover (81) is connected to a fixing rod (83), the lower end of the fixing rod (83) is connected to a pull-out box (84), and the upper surface of the pull-out box (84) is set lower than the lower surface of the second through groove (75).

4. The urban lake stormwater and sewage combined flow ecological purification device according to claim 2, characterized in that: The upper end of the grid mesh belt (6) is inclined to the right. The front and rear ends of the grid mesh belt (6) are connected with sealing strips (61). The sealing strips (61) abut against the inner wall of the purification box (1). The outer wall of the grid mesh belt (6) is connected with multiple rake teeth (62). The left end of the guide plate (72) is provided with a clearance opening (721) for the rake teeth (62) to pass through.

5. The urban lake stormwater and sewage combined flow ecological purification device according to claim 1, characterized in that: The left side wall of the purification box (1) and the right side wall of the discharge box (7) are both connected to a collar (19), and a positioning rod (20) is movably inserted into the collar (19).

6. The urban lake stormwater and sewage combined flow ecological purification device according to claim 1, characterized in that: A solar panel (31) is installed on the top of the floating plate (3), and the solar panel (31) is connected to a battery (21) through a charge and discharge controller.

7. The urban lake stormwater and sewage combined flow ecological purification device according to claim 1, characterized in that: The bottom surface of the floating plate (3) is set to be lower than the top surface of the biological packing material (10).

8. The method of using the urban lake stormwater and sewage combined flow ecological purification device according to any one of claims 1 to 7, characterized in that: Includes the following: The operation of the equipment components is controlled by connecting an external mobile terminal via the wireless controller (22); Place the purification tank (1) in the urban water body and use the float plate (3) to make the purification tank (1) float in the water; The mixed flow of rainwater and sewage is introduced into the purification box (1) through the mixed flow pipe (2), and the impurities in the mixed flow water are filtered and intercepted by the grid mesh belt (6). The intercepted water enters the right side of the purification tank (1) and is then purified and filtered using biological filler (10). The drive motor (5) drives the conveyor roller (4) to rotate, and the grid belt (6) rotates accordingly, sending the intercepted impurities into the height; Impurities enter the discharge box (7) along the guide plate (72) under their own weight. The central shaft (73) is connected to the rear end of the upper conveyor roller (4) by belt drive, so that the grid belt (6) and the central shaft (73) run simultaneously. The spiral auger (74) conveys the impurities forward and feeds them into the waste collection box (8) along the second channel (75); When the grid belt (6) is running, the rake teeth (62) hook the impurities to prevent them from sliding to the left due to their own weight; The sealing strip (61) blocks the gap between the grid mesh belt (6) and the purification box (1); The cap (81) seals the upper end of the waste collection box (8); After the spiral auger (74) is running, impurities are introduced along the second through groove (75); Collect the pull-out box (84), pull up the handle (82) to remove the pull-out box (84) for processing.

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