Inverted siphon inlet water surface contaminant collection device

Abstract

The utility model provides a kind of inverted siphon inlet water surface pollutant collection device, belong to the water surface cleaning field of hydraulic engineering.The inverted siphon inlet water surface pollutant collection device includes the guide rail for being fixedly installed on the building above inverted siphon inlet and extending up and down, further include the lifting seat capable of lifting along guide rail, hinged setting has the mesh bag capable of overturning with hinged axle as center on lifting seat, mesh bag has the pollutant collection state of being below water surface and collecting opening upward and the pollutant dumping state of being above water surface and making collecting opening downward after overturning when using, mesh bag is in pollutant dumping state, higher than the ground of building above inverted siphon inlet to discharge solid pollutant to the container on ground.The utility model can dump pollutant by overturning mesh bag, need not on-site personnel to explore body operation, improve the safety of on-site personnel, also reduce working intensity.

Description

Technical Field

[0001] This utility model belongs to the field of water surface cleaning in water conservancy projects, and in particular relates to a siphon inlet water surface pollutant collection device. Background Technology

[0002] When water conveyance channels in water conservancy projects intersect with rivers, an inverted siphon structure needs to be constructed to allow water to pass underneath the river channel, depending on the actual situation. Water in the channel flows downwards at the inverted siphon location. This structural feature makes it easy for solid pollutants such as floating debris, fallen leaves, plastic bags, plastic bottles, foam, and dead fish to accumulate at the inlet of the inverted siphon. These pollutants need to be removed promptly to prevent them from affecting water quality.

[0003] For solid pollutants on the surface of water bodies such as rivers and lakes, corresponding garbage collection devices already exist. For example, Chinese invention patent application CN111794199A discloses an automatic garbage collection device for water conservancy projects, and Chinese utility model patent CN222120169U discloses an automatic collection and treatment device for river water conservancy surface garbage. These automatic collection devices utilize submersible pumps to draw water below the surface, causing pollutants to be collected by the water flow into a net above the pump. Finally, the net is manually removed to complete the collection.

[0004] Applying existing waste collection devices to the inlet of an inverted siphon can also collect and collect solid pollutants there. However, in existing technologies, the nets are manually removed, and the workers need to lean out of the fence above the inverted siphon inlet to complete the operation, posing safety hazards and requiring a high level of physical exertion. Furthermore, existing waste collection devices rely on manual operation, which cannot ensure timely collection of pollutants. Utility Model Content

[0005] The purpose of this invention is to provide a pollutant collection device for the inlet of an inverted siphon, so as to solve the technical problems of low safety and high labor intensity in the application of existing garbage collection devices at the inlet of an inverted siphon.

[0006] To achieve the above objectives, the technical solution of the inverted siphon inlet water surface pollutant collection device provided by this utility model is as follows: A pollutant collection device for an inverted siphon inlet includes a guide rail for fixed installation on a building above the inverted siphon inlet and extending vertically, and a lifting seat that can move up and down along the guide rail. A net bag that can be hinged on the lifting seat and rotated around the hinge axis is provided. In use, the net bag has a pollutant collection state below the water surface with the collection port facing upwards and a pollutant dumping state above the water surface with the collection port facing downwards after being rotated. When the net bag is in the pollutant dumping state, it is higher than the ground of the building above the inverted siphon inlet so as to discharge solid pollutants into a container on the ground.

[0007] As a further improvement, a sludge receiving trough is provided at the upper end of the guide rail. When the net is in the state of dumping pollutants, the collection port faces downwards and is directly connected to the sludge receiving trough so that solid pollutants are poured into the sludge receiving trough.

[0008] As a further improvement, the sludge receiving trough extends obliquely downward in the direction away from the lifting seat, and a sludge discharge port for discharging solid pollutants into the transfer container is provided at the end of the sludge receiving trough away from the lifting seat.

[0009] As a further improvement, the inverted siphon inlet water surface pollutant collection device also includes a water pump installed on the lifting base. The water pump's suction port faces upwards. During use, the suction port has a water suction state to draw water from below the net to assist in the collection of solid pollutants and an oil suction state to draw oil from the water surface near the water surface.

[0010] As a further improvement, the water intake is an outward-expanding funnel-shaped structure.

[0011] As a further improvement, a grid structure is provided at the water intake to block solid pollutants floating on the water surface when oil is sucked in.

[0012] As a further improvement, the pump outlet is connected to a drainage pipeline, which includes a direct discharge branch for collecting solid contaminants and an oil collection branch for collecting surface oil.

[0013] As a further improvement, an oil-water separation structure is installed on the oil collection branch to separate the oil.

[0014] As a further improvement, the net includes a frame and a net attached to the frame. The frame is horseshoe-shaped and has an arc-shaped edge and a straight edge opposite to the arc-shaped edge. The straight edge of the frame is hinged to the lifting seat.

[0015] As a further improvement, the net is a rigid net.

[0016] The beneficial effects are as follows: The inverted siphon inlet water surface pollutant collection device provided by this utility model is a pioneering invention. The net in this device can be flipped to determine both the pollutant collection and dumping states, thus enabling the retrieval of solid pollutants floating on the water surface at the inverted siphon inlet. After retrieval, the pollutants are dumped into a container on the bottom surface of the building above the inverted siphon inlet by flipping the net. This eliminates the need for on-site personnel to lean out, improving their safety and reducing workload. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of Embodiment 1 of the inverted siphon inlet water surface pollutant collection device of this utility model; Figure 2 This is a schematic diagram of the net bag in the pollutant collection state in Embodiment 1 of the inverted siphon inlet surface pollutant collection device of this utility model; Figure 3 This is a schematic diagram of the net bag in the pollutant dumping state in Embodiment 1 of the inverted siphon inlet surface pollutant collection device of this utility model; Figure 4 This is a schematic diagram of the suction port being in an oil-absorbing state in Embodiment 1 of the inverted siphon inlet surface pollutant collection device of this utility model; Figure 5 This is a schematic diagram of the overturning net bag in Embodiment 1 of the inverted siphon inlet water surface pollutant collection device of this utility model; Figure 6 This is a schematic diagram of the water intake in Embodiment 10 of the inverted siphon inlet water surface pollutant collection device of this utility model.

[0018] Explanation of reference numerals in the attached figures: 100. Water surface; 200. Ground; 300. Railing; 1. Guide rail; 2. Lifting seat; 3. Net bag; 4. Water pump; 41. Pump body; 42. Pipe; 43. Inlet; 44. Opening; 5. Lifting drive motor; 6. Rotary shaft; 7. Sewage receiving trough; 8. Transfer container; 9. Tilting drive motor. Detailed Implementation

[0019] The present invention will be further described in detail below with reference to the embodiments.

[0020] Specific Embodiment 1 of the inverted siphon inlet surface pollutant collection device provided by this utility model: The inverted siphon inlet surface pollutant collection device is used to collect solid pollutants and oil slicks floating on the water surface 100 at the inverted siphon inlet of the water conveyance channel. Solid pollutants can be automatically retrieved and dumped into a garbage bin, while oil slicks can be pumped away and centrally treated.

[0021] See appendix Figure 1 The inverted siphon inlet water surface pollutant collection device mainly includes guide rail 1, lifting seat 2, net bag 3 and water pump 4.

[0022] The guide rail 1 is installed on the side wall of the building above the inverted siphon inlet, near the water surface 100, and the guide rail 1 extends vertically, with the lower end of the guide rail 1 extending into the water surface 100.

[0023] The lifting seat 2 is guided and mounted on the guide rail 1. The guide rail 1 is equipped with a lifting drive structure for driving the lifting seat 2 to rise and fall along the guide rail 1. The lifting drive structure specifically includes sprockets mounted on the upper and lower ends of the guide rail 1 respectively, and a chain driven between the two sprockets. It also includes a lifting drive motor 5 mounted on the back side of the guide rail 1. The lifting drive motor 5 is connected to the upper sprocket for transmission. The lifting seat 2 is fixedly connected to the chain. In this way, starting the lifting drive motor 5 can drive the sprocket to rotate, which in turn drives the chain to rotate, and finally the chain drives the lifting seat 2 to rise and fall.

[0024] Combined with appendix Figure 5 The net bag 3 is hinged to the lifting base 2 via a rotating shaft 6. The net bag 3 is fixedly connected to the rotating shaft 6, and the rotating shaft 6 is rotatably engaged with the lifting base 2. The lifting base 2 is equipped with a flipping drive mechanism for driving the net bag 3 to flip. The flipping drive structure specifically includes a flipping drive motor 9 and a transmission component (not shown in the figure) that is transmitted between the output shaft of the flipping drive motor 9 and the rotating shaft 6 of the net bag 3. The transmission component can be two gears that mesh with each other and are respectively mounted on the output shaft of the flipping drive motor 9 and the rotating shaft 6, or it can be a worm gear mounted on the output shaft of the drive motor 9 and a worm wheel mounted on the rotating shaft 6.

[0025] The net 3 includes a frame and a net connected to the frame. The net has a space for containing solid pollutants, and the net 3 has a collection port for the solid pollutants to enter the net. The frame of the net 3 is horseshoe-shaped, with an arc-shaped edge and a straight edge opposite the arc-shaped edge. The pivot 6 of the net 3 is located at the straight edge. This shape allows the net 3 to have a larger retrieval area and better load-bearing capacity.

[0026] Net 3 has both a pollutant collection state and a pollutant dumping state. See appendix. Figure 2 In the pollutant collection state, the net bag 3 is below the water surface 100° with the collection port facing upwards. When there are solid pollutants above the water surface 100° above the net bag 3, the net bag 3 rises with the lifting seat 2 to a position above the water surface 100°, allowing the solid pollutants to be retrieved. After the net bag 3 continues to rise and reaches the upper end of the guide rail 1, it is driven by the flipping drive structure to flip 180° towards the building above the inverted siphon inlet, so that the collection port of the net bag 3 faces downwards. At this time, the net bag 3 is in the pollutant dumping state. (See attached diagram). Figure 3 .

[0027] To ensure the net bag 3 can flip, it is mounted on top of the lifting platform 2, and other components, such as the water pump 4, are installed to the side to avoid the flipping path of the net bag 3. See Appendix for details in this embodiment. Figure 5 The net bag 3 is placed at one end of the rotating shaft 6, and the other end of the rotating shaft 6 is connected to the lifting seat 2. In this way, the net bag 3 is offset relative to the lifting seat 2, which can completely avoid various structures on the lifting seat 2 and will not cause interference.

[0028] The upper end of the guide rail 1 is higher than the ground 200 of the building above the inverted siphon inlet. So when the net bag 3 is in the pollutant dumping state, its collection port is located above the ground 200 of the building above the inverted siphon inlet. Thus, as long as a transfer container 8 for transferring solid pollutants is placed on the ground 200 of the building above the inverted siphon inlet, the solid pollutants dumped out by the net bag 3 can be collected.

[0029] Compared to existing technologies, this inverted siphon inlet surface pollutant collection device fully realizes automatic salvage operation. With the help of a remote monitoring system, it can achieve fully automatic or remotely controlled salvage operation, eliminating the need for on-site salvage personnel or requiring only one patrol personnel. This greatly reduces the workload of on-site personnel and also improves their work safety.

[0030] Typically, a 300mm railing is installed on the side of the building above the inverted siphon inlet, approximately 100mm from the water surface, to ensure the safety of personnel on site. Figure 2 and Figure 3 As shown, in this case, the upper end of the guide rail 1 needs to be at least higher than the railing 300 to facilitate the net bag 3 flipping over the railing 300. If there is a large horizontal distance between the railing 300 and the lifting seat 2, the net bag 3 can be lengthened, or a waste collection trough 7 can be set at the upper end of the lifting seat 2 to transfer contaminants.

[0031] When setting up the waste collection trough 7, one end of the trough 7 is positioned above the guide rail 1, and the other end extends beyond the railing and slopes downwards, with a drain outlet at that end. The container on the ground 200 used to collect pollutants can be placed below the drain outlet of the waste collection trough 7. This ensures that solid pollutants poured out by the net bag 3 can first enter the waste collection trough 7 and then drain into the container on the ground 200. The bottom of the waste collection trough 7 can be fixed to the railing 300 using fasteners, thereby improving the stability of the waste collection trough 7.

[0032] After the solid pollutants are dumped, if the next retrieval operation is to proceed, the net bag 3 needs to be flipped back to its original position. However, if the net bag 3 is flipped directly to a horizontal position at this time, as the net bag 3 moves downwards below the water surface (100°), the pollutants floating at the water surface (100°) may be pressed under the net bag 3 and cannot be retrieved. Furthermore, the net bag 3 may be pushed upwards and unable to hold other pollutants. Therefore, after the solid pollutants are dumped, the net bag 3 can be flipped upwards by 90°, so that the net bag 3 is in a vertically upward position, and then enters the water in this posture. After the net bag 3 is fully submerged, it can be flipped back to the pollutant collection position. Alternatively, the net bag 3 can be entered into the water in a vertically downward position, which reduces the immersion depth of the net bag 3 and makes it easier to retrieve pollutants. In this solution, the suction port 43 of the water pump 4 needs to be low enough to prevent the net bag 3 from interfering with the suction port 43 when facing downwards.

[0033] In addition, the netting 3 can be either flexible or rigid. Some solid pollutants have irregular shapes and are easily caught on flexible netting, making it difficult to detach from the netting 3 during dumping. Rigid netting 3, with its rigid netting, can avoid this situation and facilitates efficient dumping of solid pollutants.

[0034] The water pump 4 is also installed on the lifting base 2 and can move up and down with the lifting base 2. The water pump 4 includes a pump body 41 and a conduit 42 connected to the inlet of the pump body 41. The pump body 41 can be a submersible pump or a self-priming pump. The end of the conduit 42 away from the pump body 41 is the suction port 43. The suction port 43 is located at the lower position of the lifting base 2 and faces upward. When the net bag 3 is in the pollutant collection state, the suction port 43 is located directly below the net bag 3.

[0035] See appendix Figure 2 One of the functions of the water pump 4 is to pump water from below the net bag 3 before it retrieves pollutants, causing the water at the net bag 3 to flow downwards, thereby forming a vortex on the water surface 100. This gathers the solid pollutants floating on the water surface 100 around the net bag 3 directly above it, so that the net bag 3 can retrieve more pollutants at once, thus improving the retrieval efficiency of the net bag 3.

[0036] Another function of water pump 4 is to remove oil sludge from the water surface 100, thereby reducing oil pollution of the water body. See Appendix for details. Figure 4 When there is oil on the water surface 100, the water pump 4's suction port 43 can be brought to near the water surface 100 and slightly lower than the water surface 100 by lifting the lifting seat 2. Then, the water pump 4 can be started, and the oil floating on the water surface 100 can be directly pumped away.

[0037] The oil sludge on water surface 100 mainly originates from grease produced during waste decomposition, leaked engine oil or fuel from equipment, and fuel leaks caused by vehicle malfunctions or accidents on the canal bridge surface. Because the inverted siphon inlet is lower than water surface 100, the water flow in the canal will flow downwards when it reaches the inverted siphon, preventing the oil sludge on water surface 100 from continuing to flow with the water and causing it to accumulate on water surface 100 at the inverted siphon inlet. Oil sludge can pollute water quality, and floating oil sludge in drinking water sources, if not cleaned up in a timely manner, will cause serious harm.

[0038] Existing technologies typically use tools such as oil-absorbing cotton to clean oil stains, but these tools are not only insufficient for thorough cleaning, but also increase the workload for on-site personnel. This inverted siphon inlet surface pollutant collection device can directly suck up oil stains using a water pump 4. During the suction process, the surface water at the water surface 100 flows towards the suction port 43, thereby carrying the oil stains along with it and drawing them away. This results in a better cleaning effect for oil stains and reduces the workload for on-site personnel.

[0039] When the water pump 4 performs the above two functions, the water inlet 43 of the water pump 4 is in water suction state and oil suction state respectively. In the water suction state, the water pumped by the water pump 4 can be directly discharged back into the channel, while in the oil suction state, the oil-water mixture pumped needs to be transferred to other places for treatment, or the water can be discharged back after oil-water separation and the oil can be transferred for treatment.

[0040] Specifically, a drainage pipe is connected to the outlet of the pump body 41 of the water pump 4. The drainage pipe has two branches, one of which is a direct discharge branch and the other is an oil-water separation branch. Solenoid valves are installed between the beginning of each branch and the main branch. During use, only one branch is opened and the other is closed. An oil-water separation structure, specifically a filter, is installed on the oil-water separation branch. When the oil-water mixture passes through the filter media in the filter, the oil is retained in the filter.

[0041] When water pump 4 is in the suction state, the direct discharge branch is opened and the oil-water separation branch is closed. The pumped water can be discharged back into the channel through the drainage pipe. Moreover, since it does not need to pass through the oil-water separation branch, the flow resistance of the water is relatively small and the pumping efficiency is relatively high. When water pump 4 is in the suction state, the oil-water separation branch is opened and the direct discharge branch is closed. The pumped oil-water mixture enters the oil-water separation branch, and the water after oil-water separation is discharged into the channel.

[0042] The suction port 43 has an outward-expanding trumpet-shaped structure, which makes the perimeter of the suction port 43 longer, thereby obtaining a larger oil suction range and improving the oil suction efficiency.

[0043] The control switches for each motor or solenoid valve in the inverted siphon inlet surface pollutant collection device can be installed on-site and operated by on-site personnel, or a controller can be installed and remotely controlled via a control terminal.

[0044] To achieve remote control, a remote monitoring system is also required for the inverted siphon inlet surface pollutant collection device. This system needs at least one camera capable of simultaneously capturing images of both the upper and lower ends of guide rail 1, or cameras can be installed at both ends of guide rail 1. Considering that the water level 100 in the channel may change over time, the operator needs to observe the water level 100 using the camera and adjust the lifting platform 2 to the appropriate position before performing the retrieval or oil suction operation.

[0045] In addition, in order to more accurately control the height of the lifting seat 2, a water level sensor can be installed on the guide rail 1, the building above the inverted siphon inlet, or the lifting seat 2 to monitor the water level in real time and adjust the height of the lifting seat 2 precisely using the water level data.

[0046] It should be noted that in existing technologies, collection buckets are usually set outside the net bag 3 and the suction port 43. This is because these devices are used in rivers and lakes, where pollutants on the water surface 100 float evenly and do not accumulate. Therefore, a large suction force is required to collect the pollutants. Moreover, due to this characteristic, the collection cycle of pollutants on the water surface 100 of rivers and lakes is relatively long. Therefore, these collection buckets and net bags 3 are designed to be relatively deep. Pollutants will be stored in the net bag 3 and collection buckets for a long time. Only after a period of accumulation will staff remove and clean them.

[0047] At the inverted siphon inlet, pollutants naturally accumulate. During retrieval, it's sufficient to gather nearby pollutants directly above the net 3; therefore, a strong suction force is not required to achieve the design objective. Consequently, the inverted siphon inlet surface pollutant collection device in this embodiment does not use a collection bucket. The net 3 and the suction port 43 are open on all sides, directly submerged in the channel water. This facilitates the use of the suction port 43 to remove oil sludge. Furthermore, in channels providing drinking water, surface pollutants 100 need to be cleaned promptly and cannot remain in the water for extended periods; therefore, the existing methods are not advisable.

[0048] Specific Embodiment 2 of the inverted siphon inlet surface pollutant collection device provided by this utility model: This embodiment is based on embodiment 1, but the difference between the two is that the working method of the drainage pipe has been changed in this embodiment.

[0049] Specifically, in the two branches of the drainage pipeline, the end of the direct discharge branch is directly connected to the channel, while the end of the oil collection branch is connected to the oil collection tank. Furthermore, no oil-water separation structure is installed on the oil collection branch. The oil-water mixture collected by the water pump during the oil suction process is directly discharged into the oil collection tank and transferred to other places for treatment.

[0050] Specific Embodiment 3 of the inverted siphon inlet surface pollutant collection device provided by this utility model: This embodiment is based on embodiment 1. The difference between this embodiment and embodiment 1 is that the drainage pipe has no branches, only one channel. The end of the drainage pipe extends to the ground of the building above the inverted siphon inlet and can be moved by on-site personnel. When the water pump is in water suction mode, the end of the drainage pipe is connected to the channel. When the water pump is in oil suction mode, the end of the drainage pipe is connected to the oil collection tank.

[0051] Specific Embodiment 4 of the inverted siphon inlet surface pollutant collection device provided by this utility model: This embodiment is based on embodiment 1. The difference between this embodiment and embodiment 1 is that the water intake can also be a straight opening.

[0052] Specific Embodiment 5 of the inverted siphon inlet surface pollutant collection device provided by this utility model: This embodiment is based on embodiment 1. The difference between this embodiment and embodiment 1 is that no grid structure is set at the water intake in this embodiment. Before oil suction, the solid pollutants on the water surface need to be cleaned up first, and then the oil suction operation can be carried out. This can also avoid solid pollutants clogging the pipeline.

[0053] Specific Embodiment 6 of the inverted siphon inlet surface pollutant collection device provided by this utility model: This embodiment is based on embodiment 1. The difference between this embodiment and embodiment 1 is that no water pump is set in this embodiment. Since solid pollutants will naturally gather on the water surface at the inverted siphon inlet, the solid pollutants can be retrieved without setting a water pump. In order to ensure retrieval efficiency, the size of the net can be increased, thereby increasing the retrieval area.

[0054] In addition, this embodiment cannot pump out oil stains, making it more suitable for areas with a low probability of oil leakage. These areas are generally remote, and reducing the number of water pumps can lower the failure rate of the device and facilitate long-term remote operation.

[0055] Specific Embodiment 7 of the inverted siphon inlet surface pollutant collection device provided by this utility model: This embodiment is based on embodiment 1. The difference between this embodiment and embodiment 1 is that the receiving tank in this embodiment is a closed tank for temporarily storing solid pollutants. After a certain amount of pollutants are stored in the receiving tank, they are transferred to other transfer containers for transport.

[0056] Specific Embodiment 8 of the inverted siphon inlet surface pollutant collection device provided by this utility model: This embodiment is based on embodiment 1. The difference between this embodiment and embodiment 1 is that no sewage receiving trough is set in this embodiment. In the application process, the guide rail and lifting seat are set as close to the shore as possible, and a handle is added to the net bag. In this way, when the net bag is flipped to the pollutant dumping state, the pollutants can be directly dumped into the transfer container on the ground of the building above the inverted siphon inlet.

[0057] Specific Embodiment 9 of the inverted siphon inlet surface pollutant collection device provided by this utility model: This embodiment is based on embodiment 1. The difference between this embodiment and embodiment 1 is that the frame of the net bag is circular, and a rotating shaft is welded and fixed to one side edge of the frame.

[0058] Specific Embodiment 10 of the inverted siphon inlet surface pollutant collection device provided by this utility model: This implementation method is based on implementation method 1, and the difference between it and implementation method 1 is as follows (see Appendix). Figure 6 In this embodiment, a grid structure is provided at the water intake 43 to block solid pollutants floating on the water surface 100 when oil is sucked in. When in use, the height of the water intake 43 is adjusted so that half of the grid structure is above the water surface 100 and half is below the water surface 100. In this way, the oil on the water surface 100 can enter the water intake 43 through the gaps in the grid structure, but the solid pollutants on the water surface 100 cannot enter the water intake 43, thus avoiding solid pollutants from clogging the pipeline.

[0059] The grid structure is formed by a plurality of circumferentially distributed notches 44 at the edge of the intake port 43, which facilitates processing and provides low resistance to the flow of oil. In other embodiments, the grid structure may also be rods circumferentially distributed at the edge of the intake port 43.

[0060] Finally, it should be noted that the above description is only a preferred embodiment of this utility model and is not intended to limit this utility model. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still make modifications to the technical solutions described in the foregoing embodiments without creative effort, or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A siphon inlet surface pollutant collection device, characterized in that, It includes a guide rail for fixed installation on the building above the inverted siphon inlet and extending vertically, and a lifting seat that can be raised and lowered along the guide rail. The lifting seat is hinged with a net that can be flipped around the hinge axis. In use, the net has a pollutant collection state below the water surface with the collection port facing upwards and a pollutant dumping state above the water surface with the collection port facing downwards after being flipped. When the net is in the pollutant dumping state, it is higher than the ground of the building above the inverted siphon inlet so as to discharge solid pollutants into a container on the ground.

2. The inverted siphon inlet surface pollutant collection device according to claim 1, characterized in that, A sludge receiving trough is provided at the upper end of the guide rail. When the net bag is in the state of dumping pollutants, the collection port faces downwards and is directly connected to the sludge receiving trough so that solid pollutants are poured into the sludge receiving trough.

3. The inverted siphon inlet surface pollutant collection device according to claim 2, characterized in that, it is connected to... The sludge trough extends diagonally downwards in the direction away from the lifting seat, and a drain port for discharging solid pollutants into the transfer container is provided at the end of the sludge trough away from the lifting seat.

4. The inverted siphon inlet surface pollutant collection device according to any one of claims 1-3, characterized in that, The inverted siphon inlet water surface pollutant collection device also includes a water pump installed on the lifting base. The water pump's suction port faces upward. During use, the suction port has two states: a water suction state to draw water from below the net to assist in the collection of solid pollutants, and an oil suction state to draw oil from the water surface near the water surface.

5. The inverted siphon inlet surface pollutant collection device according to claim 4, characterized in that, The water intake is a flared, funnel-shaped structure.

6. The inverted siphon inlet surface pollutant collection device according to claim 4, characterized in that, The water intake is equipped with a grid structure to block solid pollutants floating on the water surface when oil is sucked in.

7. The inverted siphon inlet surface pollutant collection device according to claim 4, characterized in that, The pump outlet is connected to a drainage pipeline, which includes a direct discharge branch used for collecting solid pollutants and an oil collection branch used for collecting oil on the water surface.

8. The inverted siphon inlet surface pollutant collection device according to claim 7, characterized in that, The oil collection branch is equipped with an oil-water separation structure for separating the oil.

9. The inverted siphon inlet surface pollutant collection device according to any one of claims 1-3, characterized in that, The net includes a frame and a net attached to the frame. The frame is horseshoe-shaped and has an arc-shaped edge and a straight edge opposite to the arc-shaped edge. The straight edge of the frame is hinged to the lifting seat.

10. The inverted siphon inlet surface pollutant collection device according to any one of claims 1-3, characterized in that, The net is a rigid net.

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