Bridge pavement runoff collection and purification system

Abstract

The application relates to a bridge pavement runoff collection and purification system and relates to the field of bridge pavement runoff collection devices. The system comprises an arc-shaped bridge body, runoff collection units are arranged on the two sides of the arc-shaped bridge body, the runoff collection units are fixedly connected with the arc-shaped bridge body, a plurality of groups of flow guide shell segments are connected in a head-tail mode to form the runoff collection units, an integrated purification tank is arranged directly below the arc-shaped bridge body, the integrated purification tank is fixedly installed on a pier below the arc-shaped bridge body, the integrated purification tank comprises an oil separation tank and a sedimentation tank, the sedimentation tanks are symmetrically arranged at the two ends of the oil separation tank, and a group of flow guide pipes are arranged on the arc-shaped bridge body and communicate the runoff collection units and the sedimentation tanks. Through the reasonable design of the runoff collection units, the system can quickly and effectively collect the runoff on the bridge pavement, avoids the accumulation of the runoff on the bridge pavement, and reduces the damage to the bridge structure.

Description

Technical Field

[0001] This application relates to the technical field of bridge pavement runoff collection devices, and in particular to a bridge pavement runoff collection and purification system. Background Technology

[0002] In modern transportation infrastructure, bridges serve as crucial hubs connecting different regions, and their safe and stable operation directly impacts the smoothness of transportation and the safety of public travel. During daily use, bridge surfaces generate a large amount of runoff due to natural precipitation (such as rain and snowmelt) and bridge cleaning activities. This runoff is not simply clear water; it is mixed with mud and sand from bridge surface wear, oil spills from passing vehicles, tire wear particles, and various pollutants from atmospheric deposition, forming complex bridge surface wastewater. Currently, traditional methods for handling runoff from bridge surfaces are often simplistic and crude. Many bridges rely solely on the slope of the bridge deck, allowing runoff to flow naturally to drainage holes on both sides of the deck, and then directly discharge it into the environment below the bridge or into surrounding water bodies through simple pipes. This approach has several drawbacks. First, if the drainage holes are poorly designed or insufficient in number, runoff can easily accumulate on the bridge surface during heavy rainfall. This not only affects vehicle safety, reducing tire-to-bridge friction and increasing the risk of traffic accidents, but also allows accumulated runoff to seep into the bridge structure, eroding steel bars, concrete, and other building materials, accelerating bridge aging and damage, significantly shortening the bridge's lifespan, and increasing maintenance costs and safety hazards. Second, untreated runoff discharged directly contains a large number of pollutants. For example, oil slicks can form an oil film on the water surface, hindering oxygen exchange between the water and the atmosphere, leading to oxygen deprivation and death of aquatic organisms. Sediment and impurities can cause river siltation, damaging the aquatic ecosystem and affecting the surrounding water quality and ecological balance. Utility Model Content

[0003] To address the problem of inadequate treatment of runoff from existing bridge surfaces, this application provides a bridge surface runoff collection and purification system.

[0004] The bridge pavement runoff collection and purification system provided in this application adopts the following technical solution: A bridge pavement runoff collection and purification system includes an arc-shaped bridge body. Runoff collection units are arranged on both sides of the arc-shaped bridge body and are fixedly connected to the arc-shaped bridge body. Each runoff collection unit is composed of several sets of guide shell sections spliced ​​end to end. An integrated purification box is arranged directly below the arc-shaped bridge body and is fixedly installed on the pier below the arc-shaped bridge body. The integrated purification box includes an oil separator and a sedimentation tank. The sedimentation tank is symmetrically arranged at both ends of the oil separator. A guide pipe assembly connecting the runoff collection units and the sedimentation tank is arranged on the arc-shaped bridge body. Oil scraping components are arranged at both ends of the oil separator, which are separated from the sedimentation tank. The oil scraping components are slidably connected to the sedimentation tank, and a control component for locking the oil scraping components is arranged on the upper surface of the oil separator.

[0005] By adopting the above technical solution and installing runoff collection units on both sides of the arched bridge, runoff from the bridge surface can be effectively collected. The runoff collection unit is composed of several sets of guide shell sections spliced ​​together end-to-end, facilitating installation and maintenance. The integrated purification box combines the grease trap and sedimentation tank, improving purification efficiency and reducing floor space. The guide pipe assembly ensures smooth runoff flow from the collection unit to the sedimentation tank. The combined use of the oil skimming and control components effectively removes oil from the runoff, improving the purification effect.

[0006] Optionally, a number of positioning seats supporting the flow guide shell section are evenly arranged on the lower end face of the arc-shaped bridge body. The positioning seats are fixedly connected to the arc-shaped bridge body, and the upper end face of the positioning seats is integrally formed with a limiting strip for fixed installation of the flow guide shell section.

[0007] By adopting the above technical solution, the positioning seat and limiting strip set on the lower end face of the arc-shaped bridge body provide stable support and accurate positioning for the guide shell section, ensuring the firmness and accuracy of the guide shell section installation, avoiding displacement or shaking of the guide shell section during use, thereby ensuring the stability of runoff collection.

[0008] Optionally, the flow guide shell section includes an arc-shaped bottom plate, an inner baffle, and an outer baffle. The inner baffle and the outer baffle are symmetrically installed on both sides of the arc-shaped bottom plate, and the arc-shaped bottom plate, the inner baffle, and the outer baffle are integrally formed. A limiting groove corresponding to the limiting strip is opened on the lower end face of the arc-shaped bottom plate.

[0009] By adopting the above technical solution, the guide shell section features an integrally formed structure of an arc-shaped base plate, inner baffle, and outer baffle, providing excellent sealing and strength. The arc-shaped base plate design facilitates runoff flow and collection. The cooperation between the limiting groove and the limiting strip further enhances the stability and reliability of the guide shell section installation.

[0010] Optionally, the oil separator is provided with partition plates at both ends, the partition plates are sealed to the oil separator, and the partition plates have a longitudinal groove in the middle for the oil scraping assembly to be slidably installed.

[0011] By adopting the above technical solution, the partition plates and longitudinal grooves at both ends of the grease trap provide a track for the sliding of the oil-scraping assembly, ensuring that the oil-scraping assembly can accurately slide between the grease trap and the sedimentation tank, achieving effective separation and removal of oil. The sealed connection of the partition plates prevents leakage of runoff between the grease trap and the sedimentation tank, improving the sealing performance and reliability of the purification system.

[0012] Optionally, a drain pipe is provided at the center of the lower end face of the grease trap, and the upper end face of the grease trap is also provided with a guide frame for the control components to be slidably installed, and the guide frame is fixedly connected to the grease trap.

[0013] By adopting the above technical solution, the drain pipe at the lower end of the oil separator is used to discharge the purified liquid, which is convenient and quick. The guide frame provides guidance for the sliding of the control components, ensuring that the control components can accurately lock and unlock the oil skimming components, thereby improving the automation level and operational stability of the system.

[0014] Optionally, a filter screen is installed in the sedimentation tank, the filter screen is fixed at an angle in the sedimentation tank, and connecting grooves that cooperate with the guide pipe assembly are opened on both sides of the sedimentation tank.

[0015] By adopting the above technical solution, the inclined and fixed filter screen in the sedimentation tank can effectively intercept silt and impurities in the runoff, improving the sedimentation effect. The cooperation between the connecting trough and the guide pipe assembly ensures that the runoff can smoothly enter the sedimentation tank, realizing the orderly flow and purification of the runoff.

[0016] Optionally, the oil scraping assembly includes a movable slide plate, a float box, and several oil scraping blades. The two sides of the movable slide plate are slidably installed in the longitudinal groove, the float box is fixedly installed on one side of the movable slide plate, and the oil scraping blades are fixedly installed on the lower end face of the float box.

[0017] By adopting the above technical solution, the combined design of the sliding plate, floating box and oil scraping plate of the oil scraping component utilizes the buoyancy of the floating box to keep the oil scraping plate in constant contact with the oil surface. It moves up and down with the water level, which can ensure that the oil is stably blocked to the outside, preventing the oil from flowing into the oil separator with the water. This ensures that the liquid entering the oil separator is purified, which is convenient for better subsequent use.

[0018] Optionally, the control component includes a concave baffle, a tension spring, an inclined support plate, and a control cylinder. The two ends of the concave baffle are slidably mounted in the guide frame, and the head of the concave baffle is positioned above the movable slide plate to limit the upward sliding of the movable slide plate. The tension spring is fixedly mounted between the concave baffle and the oil separator. The inclined support plate is mounted between the concave baffle and the oil separator. The control cylinder is fixedly mounted on the outer surface of the oil separator, and the output end of the control cylinder is connected to the inclined support plate.

[0019] By adopting the above technical solution, the coordination of the concave baffle, tension spring, inclined support plate, and control electric cylinder in the control component enables flexible control of the oil scraping component. The concave baffle can limit the upward sliding of the movable slide plate, the tension spring provides the return force, and the coordination of the inclined support plate and control electric cylinder realizes the movement and locking of the concave baffle, improving the automation level and ease of operation of the system.

[0020] In summary, this application includes at least one of the following beneficial technical effects: Through the rational design of the runoff collection unit, this application can quickly and effectively collect runoff from bridge surfaces, avoiding runoff accumulation on the bridge deck and reducing damage to the bridge structure. The integrated purification box's oil separator and sedimentation tank, along with the filter screen installed in the sedimentation tank, achieve multi-stage purification of the runoff, effectively removing oil, silt, and impurities from the runoff, improving purification efficiency, and reducing the environmental impact of pollutants. The coordination of the oil skimming assembly and control assembly enables automated control of oil removal, reducing manual intervention, improving work efficiency, and lowering maintenance costs. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure in the embodiments of this application.

[0022] Figure 2 This is a top view of the arc-shaped bridge and runoff collection unit in the embodiments of this application.

[0023] Figure 3 This is a perspective view of the flow guide shell section in the embodiments of this application.

[0024] Figure 4 This is a perspective view of the integrated purification box, oil skimming assembly, and control assembly in the embodiments of this application.

[0025] Figure 5 yes Figure 4 Top view of the device shown.

[0026] Figure 6 This is a perspective view of the integrated purification box and control components in the embodiments of this application.

[0027] Figure 7This is a perspective view of the oil scraping component in the embodiments of this application.

[0028] Explanation of reference numerals in the attached drawings: 1. Arc-shaped bridge body; 11. Positioning seat; 12. Limiting strip; 2. Flow guide shell section; 21. Arc-shaped bottom plate; 211. Limiting groove; 22. Inner baffle; 23. Outer baffle; 3. Integrated purification box; 31. Oil separator; 310. Drain pipe; 311. Partition plate; 312. Longitudinal groove; 313. Guide frame; 32. Sedimentation tank; 321. Filter screen; 322. Connecting groove; 4. Flow guide pipe assembly; 5. Oil scraping assembly; 51. Movable sliding plate; 52. Floating box; 53. Oil scraper; 6. Control assembly; 61. Concave baffle; 62. Tension spring; 63. Inclined support plate; 64. Control electric cylinder. Detailed Implementation

[0029] The present application will be further described in detail below with reference to the accompanying drawings.

[0030] This application discloses a bridge pavement runoff collection and purification system. (Refer to...) Figure 1 , Figure 2 and Figure 3As shown, a bridge pavement runoff collection and purification system includes an arc-shaped bridge body 1. Runoff collection units are arranged on both sides of the arc-shaped bridge body 1 and are fixedly connected to the arc-shaped bridge body 1. Each runoff collection unit is composed of several sets of guide shell sections 2 spliced ​​end to end. An integrated purification box 3 is arranged directly below the arc-shaped bridge body 1 and is fixedly installed on the pier below the arc-shaped bridge body 1. The integrated purification box 3 includes an oil separator 31 and a sedimentation tank 32. The sedimentation tank 32 is symmetrically arranged at both ends of the oil separator 31. A guide pipe assembly 4 is arranged on the arc-shaped bridge body 1 to connect the runoff collection units and the sedimentation tank 32. Oil scraping components 5 are arranged at both ends of the oil separator 31, separated from the sedimentation tank 32. The oil scraping components 5 are slidably connected to the sedimentation tank 32, and a control component 6 for locking the oil scraping components 5 is arranged on the upper surface of the oil separator 31. By setting runoff collection units on both sides of the arc-shaped bridge body 1, the runoff from the bridge pavement can be effectively collected. The runoff collection unit is constructed by splicing together several sets of guide shell sections 2 end to end, facilitating installation and maintenance. The integrated purification box 3 combines the oil separator 31 and sedimentation tank 32, improving purification efficiency and reducing floor space. The guide pipe assembly 4 ensures smooth runoff flow from the collection unit to the sedimentation tank 32. The combined oil skimming assembly 5 and control assembly 6 effectively remove oil from the runoff, improving purification efficiency. Several sets of positioning seats 11 supporting the guide shell sections 2 are evenly distributed on the lower end face of the arc-shaped bridge body 1. The positioning seats 11 are fixedly connected to the arc-shaped bridge body 1, and the upper end face of the positioning seats 11 is integrally formed with a limiting strip 12 for fixed installation of the guide shell sections 2. The positioning seat 11 and limiting strip 12 provided on the lower end face of the arc-shaped bridge body 1 provide stable support and accurate positioning for the flow guide shell section 2, ensuring the firmness and accuracy of the installation of the flow guide shell section 2, avoiding displacement or shaking of the flow guide shell section 2 during use, thereby ensuring the stability of runoff collection.

[0031] Reference Figure 3 As shown, the flow guide shell section 2 includes an arc-shaped base plate 21, an inner baffle 22, and an outer baffle 23. The inner baffle 22 and the outer baffle 23 are symmetrically installed on both sides of the arc-shaped base plate 21, and the arc-shaped base plate 21, inner baffle 22, and outer baffle 23 are integrally formed. A limiting groove 211 corresponding to the limiting strip 12 is formed on the lower end face of the arc-shaped base plate 21. The flow guide shell section 2 adopts an integrally formed structure of arc-shaped base plate 21, inner baffle 22, and outer baffle 23, which has good sealing performance and strength. The design of the arc-shaped base plate 21 is conducive to the flow and collection of runoff. The cooperation between the limiting groove 211 and the limiting strip 12 further enhances the stability and reliability of the installation of the flow guide shell section 2.

[0032] Reference Figure 4 , Figure 5 and Figure 6As shown, the oil separator 31 has partition plates 311 at both ends, which are sealed to the oil separator 31. A longitudinal groove 312 is provided in the middle of the partition plate 311 for the sliding installation of the oil scraping assembly 5. The partition plates 311 and the longitudinal groove 312 at both ends of the oil separator 31 provide a track for the sliding of the oil scraping assembly 5, ensuring that the oil scraping assembly 5 can accurately slide between the oil separator 31 and the sedimentation tank 32, achieving effective separation and removal of oil. The sealed connection of the partition plates 311 prevents leakage of runoff between the oil separator 31 and the sedimentation tank 32, improving the sealing and reliability of the purification system. A drain pipe 310 is provided at the center of the lower end face of the oil separator 31, and a guide frame 313 is provided on the upper end face of the oil separator 31 for the control assembly 6 to slide on. The guide frame 313 is fixedly connected to the oil separator 31. The drain pipe 310 on the lower end face of the oil separator 31 is used to discharge the purified liquid, which is convenient and quick. The guide frame 313 provides guidance for the sliding of the control component 6, ensuring that the control component 6 can accurately lock and unlock the oil scraper component 5, thereby improving the automation level and operational stability of the system.

[0033] Reference Figure 4 and Figure 5 As shown, a filter screen 321 is installed in the sedimentation tank 32. The filter screen 321 is fixed at an angle in the sedimentation tank 32, and connecting grooves 322 are provided on both sides of the sedimentation tank 32 to cooperate with the guide pipe assembly 4. The filter screen 321 fixed at an angle in the sedimentation tank 32 can effectively intercept silt and impurities in the runoff, improving the sedimentation effect. The cooperation between the connecting grooves 322 and the guide pipe assembly 4 ensures that the runoff can smoothly enter the sedimentation tank 32, realizing the orderly flow and purification of the runoff.

[0034] Reference Figure 7 As shown, the oil skimming assembly 5 includes a movable slide plate 51, a float box 52, and several oil skimming blades 53. The two sides of the movable slide plate 51 are slidably installed in the longitudinal groove 312. The float box 52 is fixedly installed on one side of the movable slide plate 51, and the oil skimming blades 53 are fixedly installed on the lower end face of the float box 52. The combined design of the movable slide plate 51, float box 52, and oil skimming blades 53 of the oil skimming assembly 5 utilizes the buoyancy of the float box 52 to keep the oil skimming blades 53 in constant contact with the oil surface. This ensures that the oil is stably blocked to the outside, preventing the oil from flowing into the oil separator 31 with the water. It ensures that the liquid entering the oil separator 31 is purified, which facilitates better subsequent utilization.

[0035] Reference Figure 6As shown, the control component 6 includes a concave baffle 61, a tension spring 62, an inclined support plate 63, and a control cylinder 64. The two ends of the concave baffle 61 are slidably mounted in the guide frame 313, and the head of the concave baffle 61 is positioned above the movable slide plate 51 to limit its upward sliding. The tension spring 62 is fixedly installed between the concave baffle 61 and the oil separator 31. The inclined support plate 63 is installed between the concave baffle 61 and the oil separator 31. The control cylinder 64 is fixedly installed on the outer surface of the oil separator 31, and its output end is connected to the inclined support plate 63. The cooperation of the concave baffle 61, tension spring 62, inclined support plate 63, and control cylinder 64 in the control component 6 enables flexible control of the oil scraping component 5. The concave stop 61 can limit the upward sliding of the movable slide plate 51, the tension spring 62 provides the resetting force, and the cooperation of the inclined support plate 63 and the control electric cylinder 64 realizes the movement and locking of the concave stop 61, improving the automation level and ease of operation of the system.

[0036] The implementation principle of the bridge pavement runoff collection and purification system according to this application embodiment is as follows: When there is runoff on the bridge pavement, the runoff is collected through the guide shell section 2 and flows into the sedimentation tank 32 through the guide pipe group 4. In the sedimentation tank 32, the runoff is filtered by the filter screen 321, and mud and impurities are intercepted on the filter screen. After preliminary sedimentation, the runoff flows into the oil separator 31, and the oil floats on the water surface. When it is necessary to remove the oil, the control cylinder 64 is activated to push the inclined support plate 63, so that the concave baffle 61 moves upward against the tension of the tension spring 62, releasing the limit on the movable slide plate 51. The floating box 52 rises with the rise of the water level, which can ensure that the oil is stably blocked to the outside, preventing the oil from flowing into the oil separator 31 with the water, ensuring that the liquid entering the oil separator 31 is purified. The purified liquid is discharged through the drain pipe 310 at the lower end of the oil separator 31. After the liquid is discharged, the floating box 52 can be stably lowered. The electric cylinder 64 is reset, and the concave stop 61 returns to its original position under the action of the tension spring 62, thus re-limiting the movable slide plate 51.

[0037] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A bridge pavement runoff collection and purification system, comprising an arc-shaped bridge body (1), characterized in that: Runoff collection units are provided on both sides of the arc-shaped bridge body (1). The runoff collection units are fixedly connected to the arc-shaped bridge body (1), and the runoff collection units are formed by connecting several sets of guide shell sections (2) end to end. An integrated purification box (3) is provided directly below the arc-shaped bridge body (1). The integrated purification box (3) is fixedly installed on the bridge pier below the arc-shaped bridge body (1). The integrated purification box (3) includes an oil separator (31) and a sedimentation tank (32). The sedimentation tank (32) is symmetrically arranged at both ends of the oil separator (31). A guide pipe group (4) connecting the runoff collection unit and the sedimentation tank (32) is provided on the arc-shaped bridge body (1). Oil scraping components (5) separated from the sedimentation tank (32) are provided at both ends of the oil separator (31). The oil scraping components (5) are slidably connected to the sedimentation tank (32). A control component (6) locking the oil scraping components (5) is provided on the upper surface of the oil separator (31).

2. The bridge pavement runoff collection and purification system according to claim 1, characterized in that: The lower end face of the arc-shaped bridge body (1) is uniformly provided with several sets of positioning seats (11) for supporting the flow guide shell section (2). The positioning seats (11) are fixedly connected to the arc-shaped bridge body (1), and the upper end face of the positioning seats (11) is integrally formed with a limiting strip (12) for the fixed installation of the flow guide shell section (2).

3. A bridge pavement runoff collection and purification system according to claim 2, characterized in that: The flow guide shell section (2) includes an arc-shaped bottom plate (21), an inner baffle (22) and an outer baffle (23). The inner baffle (22) and the outer baffle (23) are symmetrically installed on both sides of the arc-shaped bottom plate (21), and the arc-shaped bottom plate (21), the inner baffle (22) and the outer baffle (23) are integrally formed. The lower end face of the arc-shaped bottom plate (21) is provided with a limiting groove (211) corresponding to the limiting strip (12).

4. A bridge pavement runoff collection and purification system according to claim 1, characterized in that: The oil separator (31) is provided with partition plates (311) at both ends. The partition plates (311) are sealed to the oil separator (31), and the partition plates (311) have a longitudinal groove (312) in the middle for the oil scraping assembly (5) to be slidably installed.

5. A bridge pavement runoff collection and purification system according to claim 4, characterized in that: A drain pipe (310) is provided at the center of the lower end face of the oil separator (31), and a control component (6) is also provided on the upper end face of the oil separator (31) for sliding installation on the guide frame (313), which is fixedly connected to the oil separator (31).

6. A bridge pavement runoff collection and purification system according to claim 5, characterized in that: A filter screen (321) is installed in the sedimentation tank (32). The filter screen (321) is fixed at an angle in the sedimentation tank (32). Connecting grooves (322) that cooperate with the guide pipe assembly (4) are provided on both sides of the sedimentation tank (32).

7. A bridge pavement runoff collection and purification system according to claim 6, characterized in that: The oil scraping assembly (5) includes a movable slide plate (51), a float box (52), and several oil scraping blades (53). The two sides of the movable slide plate (51) are slidably installed in the longitudinal groove (312). The float box (52) is fixedly installed on one side of the movable slide plate (51), and the oil scraping blades (53) are fixedly installed on the lower end face of the float box (52).

8. A bridge pavement runoff collection and purification system according to claim 7, characterized in that: The control component (6) includes a concave baffle (61), a tension spring (62), an inclined support plate (63), and a control cylinder (64). The two ends of the concave baffle (61) are slidably installed in the guide frame (313), and the head of the concave baffle (61) is positioned above the movable slide plate (51) to limit the upward sliding of the movable slide plate (51). The tension spring (62) is fixedly installed between the concave baffle (61) and the oil separator (31). The inclined support plate (63) is installed between the concave baffle (61) and the oil separator (31). The control cylinder (64) is fixedly installed on the outer side of the oil separator (31), and the output end of the control cylinder (64) is connected to the inclined support plate (63).

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