Trash blocking and cleaning system

Abstract

The invention discloses a trash holding and cleaning system which is used for a water taking open channel, and at least one side of the water taking open channel is provided with an in-channel trash collecting pool communicated with the water taking open channel. The sewage blocking and cleaning system comprises a sewage blocking net device which is of an annular structure, is arranged at the position corresponding to the in-channel sewage collecting pool and is blocked in the water taking open channel, and a sewage discharging net device which is of an annular structure and is arranged at the position corresponding to the in-channel sewage collecting pool. And the trash holding net driving system is used for driving the trash holding net device to circularly move so as to convey the trash held by the trash holding net device into a trash collection pool in the channel. By driving the trash holding net device to move, the trash in the water taking open channel can be automatically intercepted and cleaned, and the water taking safety guarantee degree is improved. Due to the fact that dirt in the water taking open channel can be automatically intercepted and cleaned, personnel do not need to operate in the water taking open channel, water personnel accidents are avoided, and the working efficiency is higher.

Description

Technical Field

[0001] The present application relates to the technical field of open channels for seawater intake, and more specifically, to a pollution interception and cleaning system. Background Art

[0002] Seawater intake open channels are important engineering facilities used to stably obtain cooling seawater in large energy facilities such as thermal power plants and nuclear power plants. Its core function is to provide continuous and sufficient cooling water for generator sets while reducing direct impacts on the marine ecological environment.

[0003] Trash nets are required in open channels for seawater intake. Trash nets prevent all kinds of debris, organisms or suspended matter in the ocean from entering the water intake system through physical interception, thereby ensuring the safe operation of subsequent equipment, maintaining water intake efficiency and reducing ecological impact. When the dirt intercepted by the trash net accumulates to a certain level, it is cleaned up manually by boat.

[0004] When encountering an outbreak of marine organisms / dirt, manual cleaning may not be done in time. Once the cleaning is not done in time, the pollution screening net may be blocked, which may cause a cooling source accident in the power plant. In addition, manual cleaning is difficult in bad weather and is prone to safety accidents.

[0005] Therefore, how to solve the problem of untimely cleaning caused by manual cleaning and the safety problem in bad weather is an urgent problem to be solved by technical personnel in this field. Summary of the invention

[0006] In view of this, the purpose of this application is to provide a pollution interception and cleaning system to solve the safety problems caused by untimely cleaning caused by manual cleaning and inclean weather.

[0007] To achieve the above objectives, this application provides the following technical solutions:

[0008] In a first aspect, the present application provides a sewage interception and cleaning system for an open water intake channel, wherein at least one side of the open water intake channel is provided with an in-channel sewage collection pool connected to the open water intake channel;

[0009] The pollution interception and cleaning system comprises:

[0010] A trash-blocking net device, which is an annular structure and is arranged at a position corresponding to the waste collection pool in the channel and intercepts waste in the water intake open channel;

[0011] The trash net driving system is used to drive the trash net device to circulate so as to transport the trash intercepted by the trash net device to a trash collection pool in the channel.

[0012] In a possible implementation, the trash net device includes a splicing module and a trash net module;

[0013] The splicing modules and the trash screen modules are both multiple and are spliced ​​in sequence to form a ring;

[0014] A plurality of first connection parts are arranged at intervals on the splicing module, a plurality of second connection parts are arranged at intervals on the trash net module, the first connection parts are connected to the second connection parts, and both sides of each splicing module are connected to the trash net module.

[0015] In a possible implementation, a trash-blocking plate is provided on the splicing module, and the trash-blocking plate extends to the outside of the trash-blocking net device of the annular structure.

[0016] In a possible implementation, the dirt retaining plates are multiple and are arranged at intervals along the extension direction of the splicing module.

[0017] In a possible implementation, the trash net driving system includes:

[0018] An electric drive column, used for outputting torque, wherein transmission teeth are arranged at intervals on the outer circumference of the electric drive column, and a transmission hole connected to the transmission teeth is arranged on the splicing module;

[0019] The backwash nozzle is used to spray the medium flow toward the dirt collection tank in the channel.

[0020] In a possible implementation, there are two trash net driving systems, which are respectively connected to the two ends of the trash net device in a transmission manner, and the electric driving column at at least one end is connected to a driving device.

[0021] In a possible implementation, it also includes an internal waste treatment system and an external waste identification and disposal pool;

[0022] The internal sewage treatment system includes a conveyor belt system, which is arranged in the sewage collection tank in the channel. The conveying direction of the conveyor belt system is from the sewage collection tank in the channel to the external sewage identification and disposal tank, so as to transport the sewage in the sewage collection tank in the channel to the external sewage identification and disposal tank.

[0023] In a possible implementation, the conveyor belt system includes a conveyor belt and a belt driving device for driving the conveyor belt to operate, and the height of the conveyor belt gradually increases along the conveying direction.

[0024] In a possible implementation, a waste catching net bag is hung on the conveyor belt, and the waste catching net bag is used to collect waste in the waste collection pool in the channel.

[0025] In a possible implementation, the internal sewage treatment system further includes an anti-escape baffle, which is disposed at the entrance of the sewage collection tank in the channel, and is used to prevent sewage in the sewage collection tank in the channel from flowing back into the open water intake channel.

[0026] In a possible implementation, the anti-escape baffle is connected to the inner wall of the sewage collection tank in the channel through an elastic reset member;

[0027] When the elastic reset member is in the reset state, the anti-escape baffle points to the center line of the sewage collection pool in the channel in the width direction.

[0028] In a possible implementation, the trash net driving system is arranged at the entrance of the waste collection tank in the channel.

[0029] In a possible implementation, the pollution interception and cleaning system further includes:

[0030] An underwater camera, used to photograph the area where the trash net device is located;

[0031] The image recognition and processing system is used to receive the image taken by the underwater camera and calculate the blockage degree and water flow rate of the trash net. When the water flow rate is lower than the preset flow rate or the blockage degree of the trash net exceeds the preset blockage degree, a start signal is sent to the trash net driving system. When the water flow rate is higher than the preset flow rate or the blockage degree of the trash net is lower than the preset blockage degree, a shutdown signal is sent to the trash net driving system.

[0032] In a possible implementation, the preset flow rate is 60%-80% of the design flow rate, and the preset blockage degree is 15%-25%.

[0033] In a possible implementation, the top of the breakwater of the open water intake channel has an inspection channel extending into a waste collection tank in the channel.

[0034] The pollution interception and cleaning system provided by the present application has a pollution interception net device with an annular structure arranged in the water intake open channel. The pollution interception net device is used to filter the water flowing through the water intake open channel, so that the dirt in the water is intercepted on one side of the pollution interception net device and does not flow downstream into the water intake system with the water flow. The pollution interception net driving system drives the pollution interception net device to perform a circular motion, so that the dirt intercepted by the water-facing side part of the pollution interception net device is gradually transported to the dirt collection pool in the channel. After passing through the dirt collection pool in the channel, the water-facing side part turns to the backwater side of the pollution interception net device; and the backwater side part of the pollution interception net device turns to the water-facing side of the pollution interception net device to continue intercepting dirt. The present application can realize the automatic interception and cleaning of dirt in the water intake open channel by driving the pollution interception net device to move, thereby improving the safety level of water intake. Since the present application can realize the automatic interception and cleaning of dirt in the water intake open channel, there is no need for personnel to operate in the water intake open channel, thus avoiding accidents involving people on the water, and the work efficiency is higher. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0036] Figure 1 A cross-sectional view of an open water intake channel disclosed in an embodiment of the present application;

[0037] Figure 2 A cross-sectional view of the pollution interception and cleaning system disclosed in an embodiment of the present application from a top view;

[0038] Figure 3 It is a schematic diagram of the partial structure of the trash screen device disclosed in the embodiment of the present application;

[0039] Figure 4 It is a structural schematic diagram of the splicing module disclosed in the embodiment of the present application;

[0040] Figure 5 This is a schematic diagram of the structure of the trash screen module disclosed in the embodiment of the present application;

[0041] Figure 6 A side view of a splicing module disclosed in an embodiment of the present application;

[0042] Figure 7 A top view of a trash screen driving system disclosed in an embodiment of the present application;

[0043] Figure 8 It is a front view of the trash screen driving system disclosed in the embodiment of the present application;

[0044] Fig. 9 A cross-sectional view of the anti-escape baffle disclosed in an embodiment of the present application;

[0045] Fig.10 This is a schematic diagram of the structure of the conveyor belt system disclosed in the embodiment of the present application.

[0046] The meanings of the reference numerals in the figures are as follows:

[0047] 100-open water intake channel; 110-waste collection pool in the channel; 120-maintenance passage;

[0048] 200-trash intercepting and cleaning system; 210-underwater camera; 220-trash intercepting net device; 221-trash intercepting net module; 222-splicing module; 2221-first connecting part; 2222-trash intercepting plate; 230-trash intercepting net driving system; 231-electric driving column; 232-transmission gear; 233-backwashing nozzle; 240-internal waste treatment system; 241-transmission belt driving device; 242-anti-escape baffle; 243-trash catching net bag; 244-conveyor belt; 245-elastic reset part; 250-external waste identification and disposal pool. DETAILED DESCRIPTION

[0049] The present application discloses a pollution interception and cleaning system to solve the safety problems caused by untimely cleaning caused by manual cleaning and inclean weather.

[0050] The following describes the embodiments with reference to the accompanying drawings. In addition, the embodiments shown below do not limit the content of the application described in the claims. In addition, the entire content of the composition represented by the following embodiments is not limited to the solution required as the application described in the claims. It should be noted that, for the convenience of description, only the parts related to the relevant application are shown in the drawings. In the absence of conflict, the embodiments in this application and the features in the embodiments can be combined with each other.

[0051] like Figure 1 and Figure 2 As shown, the sewage interception and cleaning system 200 disclosed in the embodiment of the present application is used to intercept sewage flowing through the water intake open channel 100. At least one side of the water intake open channel 100 is provided with an in-channel sewage collection pool 110 connected to the water intake open channel 100.

[0052] The trash interception and cleaning system includes a trash interception net device 220 and a trash interception net driving system 230. The trash interception net device 220 is an annular structure and is arranged at a position corresponding to the sewage collection tank 110 in the channel and intercepted in the water intake open channel 100 to intercept the sewage flowing through the water intake open channel 100 and prevent the sewage from continuing to flow downstream with the water flow and polluting the water supply system. The trash interception net device 220 should cover the span of the water intake open channel 100 to prevent sewage from passing through the water intake open channel 100 without passing through the trash interception net device 220. For example, the trash interception net driving system 230 can be set at the entrance of the sewage collection tank 110 in the channel.

[0053] The sewage collection tank 110 in the channel is used to temporarily collect the intercepted sewage, so that the sewage blocked on the sewage net device 220 can be transported to the sewage collection tank 110 in the channel through the movement of the sewage net device 220, and temporarily collected in the sewage collection tank 110 in the channel, so as to prevent more and more sewage from being intercepted in the sewage net device 220, causing the blockage degree to continue to increase and affect the water flow.

[0054] The trash net driving system 230 is used to drive the trash net device 220 to circulate, so as to transport the dirt intercepted by the trash net device 220 to the dirt collection tank 110 in the canal. The system form in which the trash net driving system 230 drives the trash net device 220 is similar to a belt drive system. The trash net device 220 is similar to a transmission belt and can circulate under the action of the trash net driving system 230. The trash net driving system 230 can adjust the movement direction of the trash net device 220.

[0055] When an in-channel waste collection tank 110 is provided on one side of the open water intake channel 100, the trash net driving system 230 should drive the upstream side portion of the trash net device 220 (since the trash net device 220 is a ring structure, it has a upstream side portion and a downstream side portion in the open water intake channel 100, and the water flows first through the upstream side portion and then through the downstream side portion) to move toward the in-channel waste collection tank 110.

[0056] When both sides of the water intake channel 100 are provided with in-channel waste collection pools 110, the waste net driving system 230 can freely select the movement direction of the waste net device 220 according to the demand. If the waste is unevenly distributed on the cross section of the water intake channel 100, the in-channel waste collection pool 110 on the side closer to the waste can be selected as the target of the rotation direction, so that the waste net device 220 moves toward the in-channel waste collection pool 110 closer to the waste, so as to achieve the effect of energy saving. It can also be operated in a direction of movement for a preset time, and then in a reverse direction for a preset time, and so on.

[0057] The pollution interception and cleaning system 200 disclosed in the embodiment of the present application has a ring-shaped pollution interception net device 220 arranged in the water intake open channel 100. The pollution interception net device 220 is used to filter the water flowing through the water intake open channel 100, so that the pollution in the water is intercepted on one side of the pollution interception net device 220 and does not flow downstream into the water intake system. The pollution interception net driving system 230 drives the pollution interception net device 220 to perform a circular motion, so that the pollution intercepted by the upstream side of the pollution interception net device 220 is gradually transported to the direction of the pollution collection pool 110 in the channel. When it runs to the position of the pollution collection pool 110 in the channel, the upstream side part turns to the back side part. During the turning process, the pollution on the pollution interception net device 220 falls into the pollution collection pool 110 in the channel. After passing through the waste collection pool 110 in the channel, the upstream side portion turns to the downstream side of the trash net device 220; and the downstream side portion of the trash net device 220 turns to the upstream side of the trash net device 220 to continue intercepting waste.

[0058] The present application can realize automatic interception and cleaning of dirt in the water intake open channel 100 by driving the trash screen device 220 to move, thereby improving the safety of water intake. Since the present application can realize automatic interception and cleaning of dirt in the water intake open channel 100, there is no need for personnel to operate in the water intake open channel 100, thus avoiding accidents involving people on the water, and the work efficiency is higher.

[0059] like Figure 3-Figure 6 As shown, in a specific embodiment of the present application, the trash net device 220 may include a splicing module 222 and a trash net module 221. That is, in this embodiment, the trash net device 220 is assembled by a plurality of modules in sequence. When the trash net device 220 is partially damaged, only the corresponding part needs to be replaced, and the entire part does not need to be replaced, thereby reducing maintenance costs. The aperture of the trash net module 221 may be 10 mm-100 mm, and the corresponding aperture may be selected according to the upstream and downstream positions of the trash net device 220 in the open channel and the size of the interception target.

[0060] There are multiple splicing modules 222 and trash screen modules 221, which are spliced ​​in sequence to form a ring. The number of splicing modules 222 and trash screen modules 221 is related to the span of the water intake open channel 100, so that the trash screen device 220 assembled by the splicing modules 222 and the trash screen modules 221 can cover the width of the water intake open channel 100. In addition, the extension direction of the splicing modules 222 and the trash screen modules 221 are arranged along the depth direction of the water intake open channel 100, so as to cover the entire water body in the height direction of the water intake open channel 100, and prevent the dirt from leaking and entering the downstream.

[0061] The trash net device 220 is assembled by the splicing module 222 and the trash net module 221. Both sides of the trash net module 221 are splicing modules 222, and correspondingly, both sides of the splicing module 222 are also trash net modules 221, so that the splicing module 222 and the trash net module 221 are spliced ​​into a ring in sequence.

[0062] A plurality of first connection parts 2221 are arranged at intervals on the splicing module 222, and a plurality of second connection parts (not shown in the figure) are arranged at intervals on the trash net module 221. The first connection parts 2221 are connected to the second connection parts, and both sides of each splicing module 222 are connected to the trash net module 221. The splicing module 222 and the trash net module 221 can be connected by connecting the first connection parts 2221 and the second connection parts.

[0063] The function of the splicing module 222 is to connect the various trash net modules 221. A plurality of first connecting parts 2221 are provided in the extension direction of the splicing module 222, so that a plurality of points of the trash net module 221 can be fixedly connected. When the trash net device 220 is tensioned by the trash net driving system 230, the trash net module 221 and the splicing module 222 can be prevented from being disconnected, thereby improving the reliability of the connection between the trash net module 221 and the splicing module 222.

[0064] The trash net module 221 can be made of a flexible material or a hard material. When it is made of a flexible material, the first connection part 2221 and the second connection part can be fixedly connected or rotatably connected; when it is made of a hard material, the first connection part 2221 and the second connection part need to be rotatably connected so that the trash net device 220 can bend and turn when it changes from the waterfront side part to the back side part.

[0065] In a specific embodiment of the present application, a trash plate 2222 is provided on the splicing module 222, and the trash plate 2222 extends to the outside of the annular structure of the trash net device 220. In this way, the trash plate 2222 on the water-facing side points to the upstream of the water flow, and the trash plate 2222 on the water-receiving side points to the downstream of the water flow. When the dirt flowing downstream with the water flow passes through the water-facing side of the trash net device 220, it cannot continue to flow downstream due to the interception of the trash net module 221, so the dirt is restricted from moving along the water flow direction.

[0066] Since the splicing modules 222 are provided with the trash-blocking plates 2222, the dirt intercepted by the trash-blocking net module 221 can be restricted between the splicing modules 222 under the action of the trash-blocking plates 2222. Then, the dirt can be restricted by the trash-blocking plates 2222 on both sides and cannot move left and right along the water-facing side. With such an arrangement, as the water-facing side moves toward the in-channel dirt collection pool 110, the dirt intercepted by the trash-blocking net device 220 can be pushed toward the in-channel dirt collection pool 110 by the trash-blocking plates 2222 until it is pushed into the in-channel dirt collection pool 110.

[0067] There are multiple trash-blocking plates 2222 arranged at intervals along the extension direction of the splicing module 222, so as to increase the coverage of the trash-blocking plates 2222 along the water depth direction. It should be noted that there may be only one trash-blocking plate 2222, which is arranged through the extension direction of the splicing module 222. In the height direction of the trash-blocking net device 220, the dirt at each height position can be moved by the trash-blocking plates 2222 and pushed into the dirt collection pool 110 in the channel.

[0068] like Figure 7 and Figure 8 As shown, in a specific embodiment of the present application, the trash screen driving system 230 may include an electric driving column 231 and a backwashing nozzle 233. The electric driving column 231 is used to output torque, for example, the electric driving column 231 can be driven by a motor to rotate around its axis.

[0069] There are two trash-blocking net driving systems 230, which are respectively connected to the two ends of the trash-blocking net device 220, and the electric driving column 231 at at least one end is connected to a driving device. That is, there should be two electric driving columns 231, which are respectively arranged at the two ends of the water intake open channel 100 in the width direction, for example, they can be respectively arranged at the inlet side of the two in-channel waste collection tanks 110, so that the waste can be transported to the in-channel waste collection tanks 110. The two electric driving columns 231 can tighten the trash-blocking net device 220, and at least one of the two electric driving columns 231 can be provided with a motor that can output torque, for example, one is provided with a motor to form an active driving column, and the other is not provided with a motor to form a driven driving column; of course, both can also be provided with motors, that is, both are used as active driving columns.

[0070] The specific power of the motor used to drive the electric drive column 231 to rotate needs to be designed and determined according to the width and resistance of the water intake channel 100. The electric drive column 231 is fixed to the bottom of both sides of the water intake channel 100, which will not affect the dredging of the open channel during overhaul. The electric drive column 231 can rotate clockwise or counterclockwise according to the operation requirements.

[0071] Transmission teeth 232 are arranged at intervals on the outer circumference of the electric drive column 231, and transmission holes are arranged on the splicing modules 222 for transmission connection with the transmission teeth 232. Through the meshing of the transmission teeth 232 and the transmission holes, when the electric drive column 231 rotates, each splicing module 222 can be moved, and then each trash screen module 221 can be driven to move, thereby realizing the continuous movement of the trash screen device 220.

[0072] The backwash nozzle 233 is used to spray the medium flow in the direction of the sewage collection pool 110 in the channel. The present embodiment does not limit the setting position of the backwash nozzle 233. For example, it can be set on the axis of the electric drive column 231. In this case, the outer wall of the electric drive column 231 needs to be hollowed out so that the medium flow can pass through the outer wall of the electric drive column 231 and blow toward the sewage collection pool 110 in the channel. Of course, the backwash nozzle 233 can also be set on the outer wall of the electric drive column 231 and spray the medium flow in the direction of the sewage collection pool 110 in the channel. The sprayed medium flow needs to pass through the side of the electric drive column 231 facing the sewage collection pool 110 in the channel, so as to blow the sewage on the sewage net device 220 transported by the electric drive column 231 to the entrance of the sewage collection pool 110 in the channel to the entrance of the sewage collection pool 110 in the channel, and continue to blow toward the downstream of the sewage collection pool 110 in the channel.

[0073] The present embodiment does not limit the location of the backwash nozzle 233, as long as it can spray the medium flow toward the in-channel waste collection tank 110, thereby blowing the waste on the waste screen module 221 into the in-channel waste collection tank 110. The backwash nozzle 233 can spray water or high-pressure gas, and the present embodiment does not limit the specific type of the medium flow.

[0074] In a specific embodiment of the present application, the waste interception and cleaning system 200 may further include an internal waste treatment system 240 and an external waste identification and disposal tank 250 .

[0075] The internal waste treatment system 240 includes a conveyor belt system, which is arranged in the waste collection tank 110 in the channel. The conveying direction of the conveyor belt system is from the waste collection tank 110 in the channel to the external waste identification and disposal tank 250, so as to transport the waste in the waste collection tank 110 in the channel to the external waste identification and disposal tank 250. That is, the waste transported to the waste collection tank 110 in the channel by the waste interception net device 220 can be transported to the external waste identification and disposal tank 250 under the conveying action of the conveyor belt system. The staff can identify the waste in the external waste identification and disposal tank 250, pre-screen out the beneficial or protective marine organisms, reduce the impact on the ecological environment, and have obvious ecological protection functions.

[0076] like Figure 2 and Fig.10As shown, in this embodiment, the conveyor belt system may include a conveyor belt 244 and a belt driving device 241 for driving the conveyor belt 244. The height of the conveyor belt 244 gradually increases along the conveying direction. For example, the conveyor belt 244 may extend upward at a certain inclination angle, such as Fig.10 The illustrated inclination angle is 30°, but other inclination angles such as 45°, 25°, etc. may also be selected.

[0077] The conveyor belt 244 is gradually lifted during the conveying process. During the lifting process, the waste in the waste collection tank 110 in the channel can be collected and transported downstream until it is transported to the external waste identification and disposal tank 250.

[0078] Furthermore, in order to improve the efficiency of collecting waste, in this embodiment, a waste catching net bag 243 is suspended on the conveyor belt 244, and the waste catching net bag 243 is used to collect waste in the waste collection pool 110 in the channel. An opening can be provided on the downstream side of the waste catching net bag 243 along the conveying direction, that is, the opening side is in front. The conveyor belt 244 drives the waste catching net bag 243 to move in the waste collection pool 110 in the channel. The waste catching net bag 243 can be provided on the upper side of the conveyor belt 244, that is, on the outer surface of the annular conveyor belt 244. The outer surface refers to the surface that does not need to be in contact with the pulley. The waste catching net bag 243 collects the waste passing through the opening in the waste catching net bag 243, and continues to be transported downstream following the waste catching net bag 243 until it is transported to the external waste identification and disposal pool 250.

[0079] Of course, a catching port connected to the waste catching net bag 243 can also be provided at a position corresponding to the conveyor belt 244 and the waste catching net bag 243, and the waste catching net bag 243 can be arranged at the lower side of the conveyor belt 244. The waste is gradually collected in the waste catching net bag 243 through the catching port. The catching port is in an upward direction, and when the conveyor belt 244 turns, the catching port is in a downward direction, so that the waste inside can be poured out.

[0080] Since the conveyor belt 244 is also an annular structure, when the waste catching net bag 243 is transported to the location of the external waste identification and disposal pool 250, it changes direction and returns to the waste collection pool 110 in the canal. When the conveyor belt 244 changes the conveying direction, the waste in the waste catching net bag 243 will be poured into the external waste identification and disposal pool 250 at the same time. Of course, the waste in the waste catching net bag 243 transported to the external waste identification and disposal pool 250 can also be poured out manually.

[0081] A plurality of waste catching net bags 243 may be arranged at intervals along the extending direction of the conveyor belt 244 to increase the waste catching efficiency and improve the cleaning rate.

[0082] like Figure 1 and Fig. 9 As shown, in a specific embodiment of the present application, the internal sewage treatment system 240 may further include an anti-escape baffle 242, which is disposed at the entrance of the sewage collection tank 110 in the channel, and is used to prevent the sewage in the sewage collection tank 110 in the channel from flowing back into the water intake open channel 100. The anti-escape baffle 242 is disposed at the entrance of the sewage collection tank 110 in the channel, and can close the entrance of the sewage collection tank 110 in the channel, or reduce the entrance of the sewage collection tank 110 in the channel, to prevent the sewage transported to the sewage collection tank 110 in the channel from flowing back into the water intake open channel 100 through the entrance, and at least reduce the situation where the sewage flows back into the water intake open channel 100.

[0083] The anti-escape baffle 242 can be connected to the inner wall of the in-channel waste collection tank 110 through an elastic reset member 245. When the elastic reset member 245 is in a reset state, the anti-escape baffle 242 points to the center line of the in-channel waste collection tank 110 in the width direction. In other words, when the electric drive column 231 is arranged at the entrance of the in-channel waste collection tank 110, the anti-escape baffle 242 points to the electric drive column 231.

[0084] When the trash blocking plate 2222 moves to the position of the anti-escape baffle 242, since the anti-escape baffle 242 is connected to the inner wall of the sewage collection tank 110 in the channel through the elastic reset member 245, the elastic reset member 245 will be deformed under the action of the trash blocking plate 2222 pushing the anti-escape baffle 242, so that the anti-escape baffle 242 avoids the blocking position, allowing the trash blocking plate 2222 to pass. After the trash blocking plate 2222 passes, since the anti-escape baffle 242 loses the force of the trash blocking plate 2222, the elastic reset member 245 is reset, so that the anti-escape baffle 242 returns to the blocking position, preventing the sewage in the sewage collection tank 110 in the channel from flowing back into the water intake open channel 100.

[0085] In a specific embodiment of the present application, the pollution blocking and cleaning system may further include an underwater camera 210 and an image recognition processing system. The underwater camera 210 is used to shoot the area where the pollution blocking net device 220 is located. The lens of the underwater camera 210 may be at a certain angle (e.g., 15°) with the pollution blocking net device 220, so that the underwater camera 210 can shoot a larger area of ​​the pollution blocking net device 220. The underwater camera 210 may be arranged on the side wall of the water intake open channel 100, and located at a position corresponding to the middle area in the height direction of the pollution blocking net device 220, so that the shooting area can cover the entire height direction of the pollution blocking net device 220. In combination with the underwater camera 210 and the pollution blocking net device 220 at a certain angle, the shooting area can cover the width direction of the pollution blocking net device 220. When the width of the water intake open channel 100 is large, underwater cameras 210 are arranged on both side walls of the water intake open channel 100 to shoot the pollution blocking net device 220 from both sides.

[0086] The image recognition processing system is used to receive images taken by the underwater camera 210 and calculate the blockage degree of the trash net and the water flow rate. It should be noted that the current image recognition technology is widely used in the identification of waste in the open water intake channel, and the image recognition technology is also relatively mature. The focus of the embodiment of the present application is not to improve the image recognition technology, but to use the image recognition technology to obtain the blockage degree of the trash net and the water flow rate by identifying waste.

[0087] When the water flow rate is lower than the preset flow rate or the blockage degree of the trash net exceeds the preset blockage degree, a start signal is sent to the trash net drive system 230, and when the water flow rate is higher than the preset flow rate or the blockage degree of the trash net is lower than the preset blockage degree, a shutdown signal is sent to the trash net drive system 230. That is, in this embodiment, the trash net drive system 230 is not always in the start state, but will be started after the water flow rate / the blockage degree of the trash net reaches a certain degree, so as to save energy and increase the service life of the trash net drive system 230. The preset flow rate and the preset blockage degree can be set by those skilled in the art according to actual needs.

[0088] For example, the preset flow rate may be 60%-80% of the design flow rate, and the preset blocking degree may be 15%-25%. It should be noted that the above specific parameters are only examples, and the actual parameters may be set according to the application scenario.

[0089] like Figure 2 As shown, in a specific embodiment of the present application, the top of the breakwater of the water intake open channel 100 has an inspection channel 120 extending into the sewage collection tank 110 in the channel. Maintenance personnel can enter the sewage collection tank 110 in the channel from the top of the open channel breakwater through the inspection channel 120 to facilitate the replacement of damaged trash screen modules 221 and / or splicing modules 222, etc.

[0090] As shown in this application and claims, unless the context clearly indicates an exception, the words "a", "an", "a kind" and / or "the" do not refer to the singular, but also include the plural. Generally speaking, the terms "include" and "comprise" only indicate the inclusion of clearly identified steps and elements, and these steps and elements do not constitute an exclusive list. The method or device may also include other steps or elements. The elements defined by the sentence "includes a..." do not exclude the existence of other identical elements in the process, method, commodity or device that includes the elements.

[0091] In the description of this application, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in this application based on the specific content of the technical solution.

[0092] The various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referenced to each other.

[0093] Specific examples are used herein to illustrate the principles and implementation methods of the present application, and the description of the above embodiments is only used to help understand the method and core ideas of the present application. It should be pointed out that for ordinary technicians in this technical field, without departing from the principles of the present application, several improvements and modifications can be made to the present application, and these improvements and modifications also fall within the scope of protection of the claims of the present application.

Claims

1. A pollution interception and cleaning system, characterized in that: Used in an open water intake channel (100), wherein at least one side of the open water intake channel (100) is provided with an in-channel waste collection pool (110) that is in communication with the open water intake channel (100); The pollution interception and cleaning system comprises: A trash-blocking net device (220), the trash-blocking net device (220) being an annular structure and arranged at a position corresponding to the waste collection pool (110) in the channel, and intercepting waste in the open water intake channel (100); The trash net driving system (230) is used to drive the trash net device (220) to circulate so as to transport the trash intercepted by the trash net device (220) to a trash collection pool (110) in the channel.

2. The pollution interception and cleaning system according to claim 1, characterized in that: The trash net device (220) comprises a splicing module (222) and a trash net module (221); The splicing module (222) and the trash screen module (221) are both multiple and are spliced ​​in sequence to form a ring shape; A plurality of first connection parts (2221) are arranged at intervals on the splicing module (222), and a plurality of second connection parts are arranged at intervals on the trash net module (221), the first connection parts (2221) are connected to the second connection parts, and both sides of each splicing module (222) are connected to the trash net module (221).

3. The pollution interception and cleaning system according to claim 2, characterized in that: The splicing module (222) is provided with a trash blocking plate (2222), and the trash blocking plate (2222) extends to the outside of the trash blocking net device (220) of the annular structure.

4. The pollution interception and cleaning system according to claim 3, characterized in that: The dirt retaining plates (2222) are multiple and are arranged at intervals along the extension direction of the splicing module (222).

5. The pollution interception and cleaning system according to claim 2, characterized in that: The trash net driving system (230) comprises: An electric drive column (231) is used to output torque, and transmission teeth (232) are arranged at intervals on the outer peripheral surface of the electric drive column (231), and a transmission hole that is transmission-connected to the transmission teeth (232) is arranged on the splicing module (222); The backwash nozzle (233) is used to spray a medium flow in the direction of the sewage collection tank (110) in the channel.

6. The pollution interception and cleaning system according to claim 5, characterized in that: There are two trash-blocking net driving systems (230), which are respectively connected to the two ends of the trash-blocking net device (220) through transmission, and the electric driving column (231) at at least one end is connected to a driving device.

7. The pollution interception and cleaning system according to claim 1, characterized in that: Also included is an internal waste treatment system (240) and an external waste identification and disposal tank (250); The internal waste treatment system (240) comprises a conveyor belt system, which is arranged in the in-channel waste collection tank (110), and the conveying direction of the conveyor belt system is from the in-channel waste collection tank (110) to the external waste identification and disposal tank (250), so as to transport the waste in the in-channel waste collection tank (110) to the external waste identification and disposal tank (250).

8. The pollution interception and cleaning system according to claim 7, characterized in that: The conveyor belt system comprises a conveyor belt (244) and a transmission belt driving device (241) for driving the conveyor belt (244) to operate. Along the conveying direction, the height of the conveyor belt (244) gradually increases.

9. The pollution interception and cleaning system according to claim 8, characterized in that: A waste catching net bag (243) is suspended on the conveyor belt (244), and the waste catching net bag (243) is used to collect waste in the waste collection pool (110) in the channel.

10. The pollution interception and cleaning system according to claim 7, characterized in that: The internal waste treatment system (240) further comprises an anti-escape baffle (242), wherein the anti-escape baffle (242) is arranged at the entrance of the in-channel waste collection tank (110), and the anti-escape baffle (242) is used to prevent waste in the in-channel waste collection tank (110) from flowing back into the water intake open channel (100).

11. The pollution interception and cleaning system according to claim 10, characterized in that: The anti-escape baffle (242) is connected to the inner wall of the sewage collection tank (110) in the channel via an elastic reset member (245); When the elastic reset member (245) is in the reset state, the anti-escape baffle (242) points to the center line of the in-channel waste collection tank (110) in the width direction.

12. The pollution interception and cleaning system according to claim 1, characterized in that: The trash screen driving system (230) is arranged at the entrance of the trash collection pool (110) in the channel.

13. The pollution interception and cleaning system according to any one of claims 1 to 12, characterized in that: Also includes: An underwater camera (210) for photographing the area where the trash net device (220) is located; The image recognition processing system is used to receive the image captured by the underwater camera (210), and calculate the blockage degree of the trash net and the water flow rate, and send a start signal to the trash net drive system (230) when the water flow rate is lower than a preset flow rate or the blockage degree of the trash net exceeds the preset blockage degree; and send a stop signal to the trash net drive system (230) when the water flow rate is higher than the preset flow rate or the blockage degree of the trash net is lower than the preset blockage degree.

14. The pollution interception and cleaning system according to claim 13, characterized in that: The preset flow rate is 60%-80% of the design flow rate, and the preset blocking degree is 15%-25%.

15. The pollution interception and cleaning system according to any one of claims 1 to 12, characterized in that: The top of the breakwater of the water intake open channel (100) is provided with an inspection channel (120) extending into a sewage collection tank (110) in the channel.

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