Rainwater pool oil stain intercepting device

Abstract

The invention discloses a rainwater pool greasy dirt intercepting device, and relates to the technical field of sewage treatment equipment, the rainwater pool greasy dirt intercepting device comprises a support frame, a collecting tank and an oil guide plate, the support frame is connected with a rainwater pool, the collecting tank is detachably connected with the support frame, the oil guide plate is connected with the support frame, and the oil guide plate is provided with an oil guide surface; the oil guide face obliquely extends into the collecting groove in the water flow direction of the rainwater pool and is provided with an anti-sticking coating so that oil dirt in the rainwater pool can enter the collecting groove along the oil guide face. According to the technical scheme, the oil guide plate with the inclined oil guide surface and the anti-sticking coating is matched with the collecting tank, so that oil stains can be automatically gathered into the collecting tank along the oil guide surface, real-time interception and centralized collection of the oil stains in the rainwater pool are realized, oil stain diffusion and water body pollution are reduced from the source, the subsequent treatment cost and potential safety hazards are reduced, and the service life of the rainwater pool is prolonged. Meanwhile, the device is simple in structure, convenient to install and capable of effectively improving the oil stain cleaning efficiency and reducing the manual labor intensity.

Description

Technical Field

[0001] This application relates to the field of wastewater treatment equipment technology, and in particular to a rainwater pool oil pollution interception device. Background Technology

[0002] In industrial production plants, petrochemical parks, and large storage areas, rainwater harvesting ponds are crucial facilities for collecting, storing, and discharging rainwater. In actual operation, minor oil leaks can easily occur during production operations, equipment maintenance, and material transfer. Rainwater also carries oily substances such as lubricating oil, hydraulic oil, and fuel oil with it when washing the ground, causing them to enter the rainwater harvesting ponds. This oil easily floats on the surface, forming an oil film. This floating oil film hinders oxygen exchange between the water and the air, leading to water quality deterioration and the growth of microorganisms within the pond.

[0003] However, existing oil pollution treatment methods mostly rely on manual periodic dredging, which has problems such as low efficiency, high labor intensity, and slow response. They cannot achieve real-time interception and collection of oil pollution, and the treatment effect after the oil pollution spreads is limited, making it difficult to control oil pollution in rainwater ponds at the source. Summary of the Invention

[0004] The purpose of this application is to provide a rainwater pool oil pollution interception device, which aims to solve the technical problem of low efficiency in manual oil pollution removal from existing rainwater pools.

[0005] To achieve the above objectives, this application provides a rainwater pool oil pollution interception device, which includes a support frame, a collection tank, and an oil guide plate. The support frame is connected to the rainwater pool, the collection tank is detachably connected to the support frame, and the oil guide plate is connected to the support frame. The oil guide plate has an oil guiding surface that extends obliquely into the collection tank along the water flow direction of the rainwater pool. The oil guiding surface is provided with an anti-stick coating so that oil pollution in the rainwater pool enters the collection tank along the oil guiding surface.

[0006] In one embodiment, one end of the collection tank is sealed, and the other end of the collection tank is provided with an oil drain port.

[0007] In one embodiment, the bottom of the collection tank has an inclined surface that extends along the axial direction of the collection tank, with the lower end of the inclined surface close to the oil drain port.

[0008] In one embodiment, the device further includes a float switch and a monitoring module. The float switch is disposed in the collection tank and is located near the high end of the inclined surface. The float switch is communicatively connected to the monitoring module. The float switch is used to collect the oil level in the collection tank and send an early warning signal to the monitoring module when the oil level reaches a preset height.

[0009] In one embodiment, the device further includes an oil guide member disposed at the opening of the collection groove, the oil guide member being in clearance fit with the oil guide surface, the oil guide member extending vertically away from the collection groove, and the oil guide member being close to the high end of the inclined surface.

[0010] In one embodiment, the oil guide includes a fixing part and an oil blocking part. The fixing part is disposed at the opening of the collection groove, and the oil blocking part extends vertically away from the collection groove.

[0011] In one embodiment, the support frame includes a bracket, a slider, and a chute. The collection trough is detachably connected to the bracket, the oil guide plate is fixedly connected to the bracket, the slider is fixedly connected to the bracket, the chute is fixedly connected to the inner wall of the rainwater pool, and the slider and the chute are slidably engaged so that the slider drives the bracket to slide in the vertical direction.

[0012] In one embodiment, the bracket includes an arc-shaped structure and a base, the arc-shaped structure is disposed on the base, the base is fixedly connected to the slider, the collection groove is detachably connected to the base, and the oil guide plate is fixedly connected to the base.

[0013] In one embodiment, the support further includes multiple reinforcing ribs, each of which is fixedly connected to the arc-shaped structure and is spaced apart.

[0014] In one embodiment, the support frame further includes an anchoring assembly, which includes an anchor and a flexible connector. The anchor is fixedly connected to the bottom wall of the rainwater pool, one end of the flexible connector is connected to the anchor, and the other end of the flexible connector is connected to the base. The length of the flexible connector is greater than the sliding distance of the slider in the vertical direction.

[0015] The above-mentioned technical solution of this application has at least the following beneficial technical effects: The technical solution of this application uses an oil guide plate with an inclined oil guiding surface and an anti-stick coating in conjunction with a collection tank, which enables oil to automatically flow into the collection tank along the oil guiding surface, realizing real-time interception and centralized collection of oil in rainwater tanks. This helps to reduce the spread of oil and water pollution from the source, reduce subsequent treatment costs and safety hazards. At the same time, the device has a simple structure and is easy to install, which can effectively improve the efficiency of oil cleaning and reduce the intensity of manual labor. Attached Figure Description

[0016] Figure 1 This is a right sectional view of an embodiment of the rainwater pool oil pollution interception device provided in this application; Figure 2 yes Figure 1 A magnified view of a section at point A in the middle; Figure 3 This is a front sectional view of an embodiment of the rainwater pool oil pollution interception device provided in this application; Figure 4 This is a top sectional view of an embodiment of the rainwater pool oil pollution interception device provided in this application; Figure 5 This is a top sectional view of the collection tank of an embodiment of the rainwater pool oil pollution interception device provided in this application; Figure 6 This is a right sectional view of the collection tank of an embodiment of the rainwater pool oil pollution interception device provided in this application; Figure 7 This is a right sectional view of the chute of an embodiment of the rainwater pool oil pollution interception device provided in this application; Figure 8 This is a front sectional view of the chute of an embodiment of the rainwater pool oil pollution interception device provided in this application; Figure 9 This is a top sectional view of the chute of an embodiment of the rainwater pool oil pollution interception device provided in this application.

[0017] Figure label: 1. Support frame; 11. Bracket; 111. Arc structure; 112. Base; 113. Reinforcing rib; 12. Slide groove; 13. Anchoring component; 131. Anchor; 132. Flexible connector; 2. Collection trough; 3. Oil guide plate; 4. Oil drain port; 5. Oil guide component; 51. Fixing part; 52. Oil blocking part; 6. Float switch. Detailed Implementation

[0018] To make the objectives, technical solutions, and advantages of this application clearer, the application will be further described in detail below with reference to specific embodiments and accompanying drawings. It should be understood that these descriptions are merely exemplary and not intended to limit the scope of this application. Furthermore, descriptions of well-known structures and technologies are omitted in the following description to avoid unnecessarily obscuring the concepts of this application.

[0019] The embodiments described in this application are only some, not all, of the embodiments described herein. All other embodiments obtained by those skilled in the art based on the embodiments described herein without inventive effort are within the scope of protection of this application.

[0020] In industrial production plants, petrochemical parks, and large storage areas, rainwater harvesting ponds are crucial facilities for collecting, storing, and discharging rainwater. In actual operation, minor oil leaks can easily occur during production operations, equipment maintenance, and material transfer. Rainwater also carries oily substances such as lubricating oil, hydraulic oil, and fuel oil with it when washing the ground, causing them to enter the rainwater harvesting ponds. This oil easily floats on the surface, forming an oil film. This floating oil film hinders oxygen exchange between the water and the air, leading to water quality deterioration and the growth of microorganisms within the pond.

[0021] However, existing oil pollution treatment methods mostly rely on manual periodic dredging, which has problems such as low efficiency, high labor intensity, and slow response. They cannot achieve real-time interception and collection of oil pollution, and the treatment effect after the oil pollution spreads is limited, making it difficult to control oil pollution in rainwater ponds at the source.

[0022] To address the aforementioned technical problems, this application provides a rainwater pool oil pollution interception device.

[0023] In one embodiment of this application, please refer to Figures 1 to 4 This rainwater tank oil interception device includes a support frame 1, a collection tank 2, and an oil guide plate 3. The support frame 1 is connected to the rainwater tank, the collection tank 2 is detachably connected to the support frame 1, and the oil guide plate 3 is connected to the support frame 1. The oil guide plate 3 has an oil-guiding surface that extends obliquely into the collection tank 2 along the water flow direction of the rainwater tank. The oil-guiding surface is coated with an anti-stick coating to allow oil in the rainwater tank to enter the collection tank 2 along the oil-guiding surface. Specifically, the support frame 1 is made of high-density polyethylene (HDPE), which is resistant to acid and alkali corrosion, UV aging, and is lightweight (density 0.94-0.96 g / cm³), with high mechanical strength and a service life of 8-10 years. The length of the support frame 1 is customized according to the width of the rainwater tank, with standard single-section lengths of 3m and 5m. It supports multi-section splicing and extension to adapt to rainwater tanks of different sizes. The support frame 1 has a height of 80-120cm, with an underwater immersion depth of 50-70cm and an above-water protrusion height of 30-50cm, ensuring coverage of common water level variations (±20cm). Furthermore, the collection tank 2 is made of 316L stainless steel, with a U-shaped cross-section. The tank opening width can be 15cm, and the depth can be 10cm. The length of the opening is the same as the length of the support frame 1. The collection tank 2 is detachably connected to the support frame 1 via clips, facilitating disassembly and cleaning.

[0024] In one implementation, please refer to Figure 5 and Figure 6 One end of the collection tank 2 is sealed, and the other end of the collection tank 2 is provided with an oil drain port 4, which allows the oil to be discharged in a concentrated and directional manner, which helps to simplify the oil cleaning operation and prevent leakage and spread. Specifically, the oil drain port 4 is equipped with a threaded sealing cap, which can be directly connected to a hose to discharge oil.

[0025] In one implementation, please refer to Figure 5 and Figure 6 The bottom of the collection tank 2 has an inclined surface that extends along the axial direction of the collection tank 2. The lower end of the inclined surface is close to the oil drain port 4, which can use gravity to automatically collect oil stains towards the oil drain port 4, which is beneficial to improving oil discharge efficiency and reducing oil stain residue in the tank.

[0026] In one implementation, please refer to Figure 2 and Figure 6 The device also includes a float switch 6 and a monitoring module. The float switch 6 is installed inside the collection tank 2, near the high end of the inclined surface. The float switch 6 is communicatively connected to the monitoring module. The float switch 6 is used to collect the oil level in the collection tank 2 and send an early warning signal to the monitoring module when the oil level reaches a preset height. This embodiment, by installing a float switch 6 at the high end of the collection tank 2 that is communicatively connected to the monitoring module, can monitor the oil level in real time and issue an early warning signal when it reaches a preset height. This helps to promptly remind staff to clean up and avoid secondary pollution and safety hazards caused by oil spills. Specifically, the float switch 6 is a PP material float with a buoyancy ≥0.5N. When the oil level in the tank reaches the set height, the float switch 6 triggers an NPN signal, which sends an early warning signal to the monitoring module, prompting staff to clean up in time.

[0027] In one implementation, please refer to Figure 1 The device also includes an oil guide 5, which is disposed at the opening of the collection tank 2. The oil guide 5 is in clearance fit with the oil guiding surface and extends vertically away from the collection tank 2, with the oil guide 5 located near the higher end of the inclined surface. This embodiment, by providing an oil guide 5 that is in clearance fit with the oil guiding surface and extends vertically upward at the opening of the collection tank 2, can accurately guide oil into the interior of the collection tank 2, which is beneficial to improving the oil collection effect and reducing the interference of water flow on the collection process.

[0028] In one implementation, please refer to Figure 1 The oil guide component 5 includes a fixing part 51 and an oil blocking part 52. The fixing part 51 is disposed at the opening of the collection tank 2, and the oil blocking part 52 extends vertically away from the collection tank 2. This embodiment, by securely installing the fixing part 51 at the opening of the collection tank 2 and allowing the oil blocking part 52 to extend vertically, can reliably block and guide oil into the collection tank 2, thereby improving the stability and sealing of oil collection.

[0029] In one implementation, please refer to Figures 1 to 4 as well as Figures 7 to 9The support frame 1 includes a bracket 11, a slider, and a chute 12. The collection trough 2 is detachably connected to the bracket 11. The oil guide plate 3 is fixedly connected to the bracket 11. The slider is fixedly connected to the bracket 11. The chute 12 is fixedly connected to the inner wall of the rainwater pool. The slider and the chute 12 slide together so that the slider drives the bracket 11 to slide vertically. This allows the bracket 11 to flexibly adjust its height vertically according to the water level, which helps to ensure that the oil guide plate 3 and the collection trough 2 are always adapted to the water surface position and ensure the oil interception and collection effect at different water levels.

[0030] In one implementation, please refer to Figure 3 The support 11 includes an arc-shaped structure 111 and a base 112. The arc-shaped structure 111 is mounted on the base 112, which is fixedly connected to the slider. The collection trough 2 is detachably connected to the base 112, and the oil guide plate 3 is fixedly connected to the base 112. The arc-shaped structure 111 guides the water flow smoothly, reducing hydraulic loss. Simultaneously, the base 112 enables stable assembly and linkage of various components, improving the overall structural rigidity and operational stability of the device, and adapting to water flow impact conditions. Specifically, the radius of curvature of the arc-shaped structure 111 is 1.5-2m, which guides the water flow smoothly and reduces hydraulic loss. When the arc-shaped structure 111 is constructed using multiple segments, adjacent segments are connected by stainless steel flanges with a thickness of 10mm and bolt specifications of M12×30mm, spaced 10cm apart. Meanwhile, a horizontal tie rod is installed at the top of the arc-shaped structure 111. The tie rod is made of stainless steel round tube with a diameter of 20mm. Both ends of the tie rod are fixedly connected to the pool wall to prevent the arc-shaped structure 111 from swaying independently, which helps to improve the overall stability of the support frame 1.

[0031] In one implementation, please refer to Figure 3 The support frame 11 also includes multiple reinforcing ribs 113, each fixedly connected to the arc-shaped structure 111. These ribs are spaced apart, significantly enhancing the overall rigidity and impact resistance of the arc-shaped structure 111. This helps prevent deformation of the support frame 11 under water flow impact and water level fluctuations, improving the long-term structural stability and service life of the device. Specifically, the reinforcing ribs 113 are arranged in a honeycomb pattern with a pore size of 5cm × 5cm and a wall thickness of 8-10mm. This reduces weight while increasing overall rigidity, allowing it to withstand water flow velocities ≤1.2m / s without deformation.

[0032] In one implementation, please refer to Figure 1 and Figure 3The support frame 1 also includes an anchoring component 13, which includes an anchor 131 and a flexible connector 132. The anchor 131 is fixedly connected to the bottom wall of the rainwater pool. One end of the flexible connector 132 is connected to the anchor 131, and the other end of the flexible connector 132 is connected to the base 112. The length of the flexible connector 132 is greater than the sliding distance of the slider in the vertical direction, which can constrain the horizontal displacement of the device without restricting the vertical adjustment. This helps to avoid stress concentration caused by water level fluctuations and improves the overall operational stability and safety. Specifically, anchors 131 are pre-embedded at the bottom of the rainwater pool. Anchors 131 are made of 304 stainless steel, are inverted T-shaped, with a bottom dimension of 20cm×20cm, a height of 30cm, a pre-embedding depth of ≥50cm, and a spacing of 2.5m. The flexible connector 132 can be made of high-strength nylon rope, which is connected to the lifting lug of the base 112 through a high-strength nylon rope with a diameter of 12mm. The tensile strength of the nylon rope is ≥5kN, and a length of 50cm is reserved. The tightness is adjusted by using turnbuckles, which can limit the horizontal displacement of the support frame 1 and avoid stress concentration when the water level changes.

[0033] In addition, in some embodiments, a 3M reflective warning strip, 5cm wide and red and white in color, is affixed along the length of the top of the support frame 1, with a reflectivity ≥300cd / lx, facilitating inspection personnel to observe the device's location in low-light conditions. The outer surface of the support frame 1 and the inner wall of the collection tank 2 are coated with a fluorocarbon anti-fouling coating, 80-100μm thick, with a surface contact angle ≥110°, reducing oil and algae adhesion and lowering the cleaning frequency to once a month. A water level scale is marked on the oil guide surface, with a range of 0-120cm and a graduation of 1cm, facilitating observation of real-time water level and the immersion depth of the main body. Stainless steel emergency handles, 15cm × 5cm in size, are installed at both ends of the top of the support frame 1 for easy gripping during installation, disassembly, and maintenance.

[0034] The specific implementation process of one embodiment of this application is as follows: After the rainwater and oil in the rainwater tank separate, the oil floats on the water surface because its density (0.85-0.95 g / cm³) is less than that of water. When the water flows through the device, the oil guide plate 3 prevents the oil from spreading further, and the oil guide surface guides the oil to gather towards the collection tank 2. Due to the tilt angle of the oil guide surface and the effect of the anti-stick coating, the oil flows into the collection tank 2 for storage under the action of buoyancy. When the oil level in the collection tank 2 reaches the set height, the float switch 6 triggers a signal and sends it to the monitoring module. After receiving the prompt, the staff can clean the oil by removing the end cover of the collection tank 2 or opening the oil drain port 4. When the water level in the rainwater tank changes, the support frame 1 floats up and down with the water level in cooperation with the slider and the chute 12, always maintaining a stable underwater immersion depth and above-water exposure height, ensuring that the interception effect is not affected by water level fluctuations.

[0035] This application aims to protect a rainwater pool oil pollution interception device. The technical solution of this application uses an oil guide plate 3 with an inclined oil guiding surface and an anti-stick coating to cooperate with a collection tank 2, which enables oil pollution to automatically flow into the collection tank 2 along the oil guiding surface, realizing real-time interception and centralized collection of oil pollution in rainwater pools. This is beneficial to reduce the spread of oil pollution and water pollution from the source, reduce subsequent treatment costs and safety hazards. At the same time, the device has a simple structure and is easy to install, which can effectively improve the efficiency of oil pollution cleaning and reduce the intensity of manual labor.

[0036] It should be understood that the specific embodiments described above are merely illustrative or explanatory of the principles of this application and do not constitute a limitation thereof. Therefore, any modifications, equivalent substitutions, improvements, etc., made without departing from the spirit and scope of this application should be included within the protection scope of this application. Furthermore, the appended claims are intended to cover all variations and modifications falling within the scope and boundaries of the appended claims, or equivalent forms of such scope and boundaries.

Claims

1. A rainwater tank oil pollution interception device, characterized in that, The device includes a support frame (1), a collection tank (2), and an oil guide plate (3). The support frame (1) is connected to the rainwater pool, the collection tank (2) is detachably connected to the support frame (1), and the oil guide plate (3) is connected to the support frame (1). The oil guide plate (3) has an oil guiding surface that extends obliquely into the collection tank (2) along the water flow direction of the rainwater pool. The oil guiding surface is provided with an anti-stick coating so that the oil in the rainwater pool enters the collection tank (2) along the oil guiding surface.

2. The rainwater tank oil pollution interception device according to claim 1, characterized in that, One end of the collection tank (2) is sealed, and the other end of the collection tank (2) is provided with an oil drain port (4).

3. The rainwater pool oil pollution interception device according to claim 2, characterized in that, The bottom of the collection tank (2) has an inclined surface, which extends along the axial direction of the collection tank (2), and the lower end of the inclined surface is close to the oil outlet (4).

4. The rainwater tank oil pollution interception device according to claim 3, characterized in that, The device also includes a float switch (6) and a monitoring module. The float switch (6) is located in the collection tank (2) and is close to the high end of the inclined surface. The float switch (6) is connected to the monitoring module. The float switch (6) is used to collect the oil level in the collection tank (2) and send an early warning signal to the monitoring module when the oil level reaches a preset height.

5. The rainwater tank oil pollution interception device according to claim 3, characterized in that, The device also includes an oil guide (5), which is disposed at the opening of the collection groove (2). The oil guide (5) is in clearance fit with the oil guide surface. The oil guide (5) extends vertically away from the collection groove (2) and is close to the high end of the inclined surface.

6. The rainwater tank oil pollution interception device according to claim 5, characterized in that, The oil guide (5) includes a fixing part (51) and an oil blocking part (52). The fixing part (51) is disposed at the opening of the collection groove (2), and the oil blocking part (52) extends vertically away from the collection groove (2).

7. The rainwater pool oil pollution interception device according to any one of claims 1 to 6, characterized in that, The support frame (1) includes a bracket (11), a slider and a chute (12). The collection trough (2) is detachably connected to the bracket (11). The oil guide plate (3) is fixedly connected to the bracket (11). The slider is fixedly connected to the bracket (11). The chute (12) is fixedly connected to the inner wall of the rainwater pool. The slider and the chute (12) slide together so that the slider drives the bracket (11) to slide in the vertical direction.

8. The rainwater tank oil pollution interception device according to claim 7, characterized in that, The bracket (11) includes an arc-shaped structure (111) and a base (112). The arc-shaped structure (111) is disposed on the base (112). The base (112) is fixedly connected to the slider. The collection groove (2) is detachably connected to the base (112). The oil guide plate (3) is fixedly connected to the base (112).

9. The rainwater tank oil pollution interception device according to claim 8, characterized in that, The bracket (11) also includes reinforcing ribs (113), and there are multiple reinforcing ribs (113). Each reinforcing rib (113) is fixedly connected to the arc-shaped structure (111), and the reinforcing ribs (113) are distributed at intervals.

10. The rainwater pool oil pollution interception device according to claim 7, characterized in that, The support frame (1) further includes an anchoring component (13), which includes an anchor (131) and a flexible connector (132). The anchor (131) is fixedly connected to the bottom wall of the rainwater pool. One end of the flexible connector (132) is connected to the anchor (131), and the other end of the flexible connector (132) is connected to the base (112). The length of the flexible connector (132) is greater than the sliding distance of the slider in the vertical direction.

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