249 results about "River regulation" patented technology

The invention discloses a dredge pump control system and method for river regulation, and relates to the technical field of dredge pump control. The dredge pump control system comprises a sensing module, a centralized control module, an energy-saving execution module and a control parameter recording module; the sensing module is arranged on a multi-element sensor at a key part of a dredge pump for acquiring data, and the data is pre-processed by a microprocessor and then transmitted to the centralized control module at a high speed by a wireless transmission module, so that an accurate basis is provided for system control; according to the invention, by integrating multiple sensors and an advanced control algorithm, the dredging efficiency and accuracy of the dredge pump of the dredger are obviously improved; the sensing module can monitor key parameters of the dredge pump in real time, such as suction pressure, discharge flow, pump shaft temperature and sediment concentration, and it is ensured that the running state of the dredge pump is comprehensively known; and the centralized control module dynamically optimizes a control sequence by using a model predictive control and fuzzy logic control algorithm so as to adapt to variable working conditions.

The invention relates to the technical field of river regulation, in particular to an intelligent interactive river regulation consultation management system and method. The method comprises the following steps: arranging a multi-layer water quality monitoring probe array at preset monitoring points of a river channel, and dynamically monitoring the water quality of the river channel based on a self-adaptive sampling frequency method through the multi-layer water quality monitoring probe array to obtain multi-layer water quality original data, wherein the multi-level water quality original data comprises surface-layer probe data, middle-layer probe data and bottom-layer probe data; performing gas-liquid interface disturbance analysis on the surface probe data to obtain gas-liquid influence data; performing water mixing degree analysis on the middle-layer probe data to obtain vertical mixing data; and carrying out sediment resuspension analysis on the bottom layer probe data to obtain sediment release strength data. By arranging the multi-layer water quality monitoring probe array and combining the self-adaptive sampling frequency technology, the vertical distribution and dynamic change of the water quality of the river channel can be accurately captured, and the monitoring timeliness and accuracy are improved.

The invention discloses a river sediment scouring and silting simulation method, and belongs to the technical field of hydraulic engineering and hydrological simulation. In order to solve the problem that it is difficult to accurately simulate the river sediment erosion and deposition evolution trend in the prior art, the method comprises the steps that on the basis of actually measured topographic data and channel chart data of a target river reach, a water-sediment coupling mathematical model is constructed by adopting a non-uniform sediment unbalance sediment transportation theory, and the model interacts with a water power module and a wave module in real time through an MCT coupler; actually measuring a flood and water and sediment series data calibration verification model; and obtaining future water and sediment process data predicted by a plurality of climate modes, inputting the future water and sediment process data into the verified model, dividing river reaches according to the characteristics such as riverbed gradient and river channel curvature, and calculating the erosion and deposition amount of each sub-river reach in the future 50 years. The method can simulate water flow and sediment movement of rivers, reservoirs and lakes, can be applied to the fields of riverway regulation planning, flood control and disaster reduction decision making, reasonable development and utilization of water resources and the like, and provides important data support and scientific basis for construction and management of water conservancy projects.

The invention discloses a riverway treatment method and system based on an image processing technology, and relates to the technical field of urban riverway treatment, the system divides a treatment area into a plurality of sub-river reaches by using a GIS, river network distribution and a DEM model, and collects video frames, water quality images and pollution feature images; through image processing, extracting a motion track, a distribution characteristic, water body color information and an abnormal color development area of the floating object, and analyzing a pollution change trend and a mutation characteristic; the water surface garbage diffusion disturbance coefficient is monitored, the water surface garbage state is judged in combination with a threshold value, and strategy response is triggered; when the water quality is abnormal, judging whether the color of the water body is normal or not through water body color difference abnormal coefficient analysis; if pollution exists, the pollution gradient change is analyzed section by section in the countercurrent direction of the river channel, a pollution source is locked, and a pollution discharge upstream inference report is generated; according to the invention, the river pollution monitoring precision and response efficiency are effectively improved, and ecological management and environmental protection are assisted.

The invention relates to the technical field of scheme decision, and discloses a river channel clearing scheme decision method, device and equipment based on bottom mud elution, and the method comprises the steps: carrying out the data collection and standardization preprocessing of the river channel space distribution, section morphology, hydrological parameters and bottom mud pollution characteristics of a river network system, and obtaining a river channel network characteristic data set; carrying out sediment pollutant migration and diffusion analysis, and calculating a pollution propagation relationship between nodes to obtain a river sediment pollution propagation network model; carrying out river sediment pollution coupling degree calculation to obtain river sediment elution risk distribution data; and inputting the river sediment elution risk distribution data into the P center problem network optimization model, and generating a river network dredging scheme through pollution diffusion risk minimization and dredging resource utilization efficiency maximization analysis. According to the invention, a plurality of factors of the river network system are incorporated into the decision-making process, a systematized and normalized clearing scheme decision-making method is formed, and the scientificity and efficiency of river regulation are improved.

The invention provides a river sediment physical habitat evolution identification method, device and system and a medium. The method comprises the following steps: acquiring a multi-temporal remote sensing image and hydrological data (flow Q, water level Zw and slope S), screening and other hydrological condition image pairs; extracting a water surface range, and calculating the average width B of the main groove; deducing the average water depth h by using a Manning formula, and calculating the riverbed elevation zbed by combining the Zw; the difference value delta zbed of zbed in different periods is calculated, and the substrate state is judged according to the difference value delta zbed and a threshold value epsilon; and performing segment processing along the center line to output a spatial distribution result. On-site measurement is not needed by relying on conventional data, and consumption is reduced; water level interference is eliminated through equal hydrological condition matching, and comparability is ensured; water depth inversion and differential analysis directly reflect scour deposition and quantitatively reveal rules; long-distance automatic processing improves space-time coverage capability and precision, and provides a basis for river regulation, ecological restoration and drainage basin management.

The utility model relates to dredging equipment for river regulation engineering, the environment-friendly dredging equipment is arranged on a ship body, the bottom of the ship body is provided with a sludge puncturing part, and the sludge puncturing part comprises a first height adjusting piece, a second height adjusting piece and a third height adjusting piece, the puncture gear is rotationally connected to the telescopic end of the first height adjusting part, and teeth of the puncture gear knock the sludge to enable the sludge to generate cracks; the puncture gear driving part is used for driving a puncture gear to rotate; the puncture gear driving part comprises a transmission gear coaxially connected with the puncture gear; the rack is longitudinally arranged below the bottom of the hull and is meshed with the transmission gear; the reciprocating assembly is arranged on the ship body in the longitudinal direction, fixedly connected with the rack and used for moving up and down through the reciprocating assembly so that the rack can drive the transmission gear to rotate.

The utility model discloses a sludge in-situ curing treatment device for river regulation construction, which comprises a main shaft provided with a protective sleeve, a pesticide spraying component arranged at the bottom of the protective sleeve, a plurality of groups of stirring devices arranged on the main shaft, sludge separating plates symmetrically arranged on adjacent stirring blades of the stirring devices, and sludge supporting plates arranged on the sludge separating plates and distributed oppositely. The mud separating plate and the mud supporting plate are distributed in a linear mode in the height direction of the main shaft, a medicine injection space is formed by the mud separating plate and the mud supporting plate, and the medicine spraying assembly is provided with a liquid medicine spray head matched with the medicine injection space. Sludge is divided by the sludge dividing plates welded on the stirring blades in the rotating direction of the stirring blades, then the sludge is supported by the sludge supporting plates, finally, a chemical injection space is formed behind the sludge supporting plates, the sludge is divided into a space at the position, and at the moment, a curing chemical is sprayed to the sludge space from the chemical spray head after passing through the corrugated pipe from the chemical inlet pipe; and the curing agent is sprayed deep in the sludge, so that the agent mixing effect is improved.

The utility model discloses a riverway purification barrier for riverway treatment, and relates to the technical field of riverway treatment, in particular to a riverway purification barrier which comprises a fixed frame, a filter plate is rotatably connected to one side of the fixed frame, a fixed plate is fixedly connected to one side of the fixed frame, and a hydraulic rod is fixedly connected to the lower portion of the fixed plate. A supporting block is fixedly connected to the lower portion of the hydraulic rod, a cleaning rod is rotatably connected to one side of the supporting block, a cleaning brush is arranged on the outer surface of the cleaning rod, a fixing groove is formed in one side of the fixing frame, and a rack is fixedly connected to the interior of the fixing groove. According to the riverway purification barrier for riverway treatment, through cooperative arrangement of the fixing plate, the hydraulic rod, the supporting block, the cleaning rod, the cleaning brush, the rack and the first gear, a filter plate can be cleaned in the use process, so that the effect of preventing the filter plate from being blocked is achieved, and the purpose of enabling the purification barrier to run stably is achieved.

The invention discloses a method and system for judging and predicting the stable state of the river regime of an alluvial river based on the amplitude of river channel, and the method comprises the steps: carrying out the batch preprocessing of satellite remote sensing images of a target region, and obtaining a water binary image after noise reduction; constructing a historical river regime database based on the water body binary image; calculating a river regime relative stability index of the hydrological section based on the historical river regime database; the optimal section number of the overall river regime relative stable state of the river reach is determined by correcting and encrypting original hydrological sections; and judging the river regime of the river and predicting the future river regime of the river based on the encrypted and corrected river regime relative stability index of the hydrological section. According to the method, the problem of insufficient spatial resolution of a traditional hydrological observation section in river regime stable state judgment is solved while the river regime evolution time accumulation effect is considered, and certain technical support is provided for alluvial river flood control safety and river regulation.

A suspension device for river regulation comprises an ecological screen and an ecological ball. The ecological screen comprises a floating type barrier, a traction cable, a dense mesh type sinking net, a balance weight and a rod type movable joint. The ecological ball comprises a low-density upper hemisphere, a high-density lower hemisphere, a core balloon, flower holes, composite filler and a connecting buckle. And the density of the low-density upper hemisphere is smaller than that of the high-density lower hemisphere. Compared with the prior art, the floating type barrier is arranged to provide a water treatment boundary, the ecological ball has a shading effect and can provide a filler slow release effect, the ecological ball and the floating type barrier act together, the ecological ball is easy to operate and recycle, and the effect is remarkable. According to the ecological ball, the low-density upper hemisphere and the high-density lower hemisphere with different densities are adopted, and the filler is placed in the high-density lower hemisphere with the holes, so that when the ball body floats on the water surface, the filler is immersed in a water body and slowly dissolved in a river channel, the service life of the filler is prolonged, and the stability of water body purification is guaranteed.

The invention belongs to the technical field of river reach feature recognition, and particularly relates to a river reach morphological feature recognition method based on remote sensing. Through multi-source remote sensing data fusion analysis, accurate recognition and dynamic monitoring of river channel morphological characteristics are achieved, scientificity and efficiency of river channel treatment are improved, refined data support is provided for river channel ecological restoration and management through river reach classification and construction of a morphological module, and the river channel ecological restoration and management method is suitable for river channel ecological restoration and management. In this way, the intelligent and datamation requirements of river regulation decision making are supported, meanwhile, effective prediction of the river form evolution trend is achieved through time sequence analysis of the repair node and the current node, verification and evaluation of the confidence degree are conducted after the prediction result is output, and therefore the reliability and applicability of the prediction result are ensured, and the prediction efficiency is improved. The prediction result can provide corresponding data support for a river regulation project, the river form change trend can be pre-judged in advance, and a scientific basis is provided for flood control and disaster reduction and water resource management.

The invention relates to the technical field of sewage treatment devices, and discloses an ecological floating island for river regulation and purification, which comprises a floating bed, a photovoltaic energy storage assembly is fixedly arranged on one side of the top of the floating bed, a guide plate is fixedly arranged on one side of the floating bed, a plurality of circulation grooves are formed in a plate body of the guide plate, and the circulation grooves are communicated with the photovoltaic energy storage assembly. The flow guide plate is matched with the circulation groove to guide part of water flow to the side face of the floating bed, and two adjusting plates are arranged on one side of the flow guide plate. A moving rod is matched with a moving cylinder to move under the driving action of an electric push rod or a flow baffle according to the flow speed of water flow, and is matched with a sliding sleeve to drive an adjusting plate to move, so that the area of an overlapping region of an adjusting groove and a circulating groove is matched with the range of the flow speed of the water flow; the flow of water flowing through the circulating groove is within a rated range under the flow guide effect of the flow guide plate, so that the duration of the pollutants flowing through the rhizome area of the emergent aquatic plant is ensured, and the water purification efficiency is further improved through medicament feeding under the condition.

The invention provides a hydrodynamic model-based mountain river flood diversion tunnel line and scale optimization design method, which comprises the following steps of: constructing a one-dimensional hydrodynamic mathematical model of a research area drainage basin by adopting MIKE11 software, and constructing a one-dimensional hydrodynamic model of the research area drainage basin according to the one-dimensional hydrodynamic mathematical model of the drainage basin, boundary conditions and calibrated comprehensive roughness; and calculating designed flood water surface lines of different frequencies of the urban section. According to the actual situation of a city, aiming at urban flood causes and main problems existing in a current flood control system, engineering measure schemes such as flood control reservoir construction, beach retreating and river returning, river regulation, embankment heightening and flood diversion channel building are proposed, and a flood diversion tunnel route and planning optimization research is developed on the basis of a hydrodynamic model. Numerical simulation of flood disasters is completed by means of the modern information technology, a complete disaster prevention and control system is established for achieving the purposes of scientization, high efficiency and automation of disaster prevention and relief decision, the urban flood prevention capacity can be comprehensively improved, and the life and property safety of the masses is guaranteed.

The utility model discloses a river purification module, and relates to the technical field of river regulation and maintenance, the river purification module comprises a buoyancy frame, a fence net frame and a purification block, the fence net frame is arranged at the top of the buoyancy frame, the fence net frame is used for constraining floating aquatic plants in the net frame, the buoyancy frame is used for enabling the fence net frame to float on the water surface, and the purification block is arranged on the fence net frame. The purification block is arranged at the bottom of the buoyancy frame and is provided with a filter material for purifying a water body. A plurality of modules can be assembled into a whole, certain resistance to wind, rain and rapid water flow is achieved, meanwhile, the modules can provide an area for floating aquatic plants to grow, the growth condition and space of the plants are restrained and controlled, and the plants are prevented from being abused and disasters are avoided.

The utility model discloses circulating purification treatment equipment for river regulation, which relates to the technical field of river regulation and comprises a river floating pontoon, a sealing cover mounted on the outer wall of the top of the river floating pontoon, a microorganism storage tank mounted on the inner wall of the bottom of the river floating pontoon, and a plurality of groups of aerators mounted on the outer wall of the bottom of the river floating pontoon. The aerators are evenly distributed on the outer wall of the bottom of the river pontoon, a camera is installed on the outer wall of the top of the sealing cover, a temperature sensor is installed on the side, away from the aerators, of the outer wall of the bottom of the river pontoon, and a water quality sensor is installed on the side, close to the temperature sensor, of the outer wall of the bottom of the river pontoon. A treatment element is mounted on one side, close to the microorganism storage tank, of the bottom inner wall of the river pontoon, and signal transmission equipment is mounted on one side, close to the treatment element, of the bottom inner wall of the river pontoon. The application range of the device can be enlarged, and the device is convenient to move.

The utility model relates to the technical field of river regulation equipment, and discloses an assembly type flood bank for river regulation. The assembly type flood bank for river regulation comprises a bottom plate, mounting seats and balancing weights, the bottom plate is fixedly connected with a plurality of mounting seats, the mounting seats are fixedly connected with the balancing weights, the assembly type flood bank further comprises an electric push rod, a push rod plate, a lifting plate, a sleeve, a connecting rod and a baffle, the electric push rod is mounted on the mounting seats, and the lifting plate is fixedly connected with the electric push rod. A push rod plate is connected to a telescopic rod of the electric push rod, a lifting plate is slidably arranged on the mounting base, the top of the push rod plate is connected with the lifting plate, a plurality of sleeves are fixedly connected to the bottom plate, connecting rods are slidably arranged in the sleeves, a baffle is fixedly connected to the top of the lifting plate, and the connecting rods are connected with the baffle. The telescopic rod is controlled to extend by starting the electric push rod, and then the push rod plate and the lifting plate connected with the push rod plate are driven to move upwards, so that the height of the flood bank is automatically adjusted according to the actual height of flood.

The utility model discloses a bank slope sheet pile sinking machine for river regulation, which belongs to the technical field of sheet pile sinking and comprises a movable base station, and a loading bin is fixedly mounted on the left side of the upper end of the movable base station; the left side of the upper end of the movable base table is further provided with a distributing mechanism. A rotating table is rotationally arranged on the right side of the upper end of the movable base; a double-station continuous pile sinking mechanism is mounted at the upper end of the rotating table; the double-station continuous pile sinking mechanism comprises a moving assembly and a rotating assembly. The two moving assemblies are symmetrically installed on the front side and the rear side of the upper end of the rotating table, the rotating assemblies are installed on the moving assemblies, and the hydraulic clamping jaws are connected with the rotating assemblies. In this way, the extra time for grabbing the sheet pile is shortened, and the pile sinking efficiency of the device is improved; through cooperation of the moving assembly and the rotating assembly, the device can conduct sheet pile sinking operation and also can conduct sheet pile grabbing operation at the same time, continuous sheet pile sinking operation is achieved, continuous sheet pile sinking is achieved, and the quality of bank slope river regulation and pile sinking is improved.

The utility model discloses a purification device for river regulation, which belongs to the technical field of hydraulic engineering and comprises a tank body, a water inlet pipe and a water outlet pipe are respectively mounted on the outer wall of the tank body, a filter screen is mounted in the tank body, a cleaning mechanism is arranged at the top end of the tank body and comprises a tank cover and a connecting rod, and the connecting rod is connected with the tank cover. The tank cover is installed at the top end of the tank body, a supporting frame is fixedly connected to the upper surface of the tank cover, an air cylinder is fixedly connected to the upper surface of the supporting frame, the output end of the air cylinder penetrates through the supporting frame and the tank cover and is connected with a connecting rod, a scraper is fixedly connected to the bottom end of the connecting rod, and the scraper makes contact with the inner wall of the filter screen in an attached mode; the connecting rod and the scraper are driven by the air cylinder to slide in the filter screen, dirt on the inner wall of the filter screen is scraped off by the scraper and falls into the storage hopper, extra manpower consumption during replacement of the filter device is reduced, and continuity of the device during working is improved.

The present invention discloses a riverbank collapse early warning method based on the analysis of the acceleration trend of soil surface displacement, which relates to the technical field of riverbank collapse early warning. The method includes: arranging GNSS measurement site positions according to the potential risk areas of riverbank beach collapses and the transverse and longitudinal distances of collapse pits in the region; performing real-time traceability filtering and denoising calculations on the continuously online monitored soil surface displacement data based on a Butterworth low-pass filter; performing real-time acceleration trend discrimination calculations on the filtered soil surface displacement data, and using the calculated linear acceleration trend intensity to perform risk classification early warning discrimination on the collapse risk thresholds of different collapse risk levels; carrying out on-site surveys and result verification of riverbank collapse risks according to the results of the risk classification early warning discrimination. The method of the present invention has important engineering application values in aspects such as river safety monitoring, disaster early warning, and emergency management, and can provide scientific support for river regulation, dike safety maintenance, and the construction of smart water conservancy.

The utility model belongs to the technical field of river regulation, and particularly relates to an integrated urban river black and odorous water comprehensive treatment device which comprises a base, a fixing frame fixedly mounted at the top of the base, a motor fixedly mounted on one side of the fixing frame, a transmission roller arranged at one end of the motor, a transmission belt arranged on the transmission roller, and a guide plate fixedly mounted on the transmission belt. A filter screen and a mounting frame are fixedly mounted in the fixing frame, a collecting box is arranged in the mounting frame, a handle is arranged on one side of the collecting box, a pressing mechanism is arranged on the fixing frame, an aeration machine is fixedly mounted at the bottom of the mounting frame, and an aeration pipe is fixedly connected to the bottom of the aeration machine. The motor, the transmission roller, the transmission belt, the material guide plate and the collection box are arranged and used in cooperation, the motor is driven to work, the transmission belt is driven to rotate by rotating the transmission roller, and therefore the material guide plate can be rotated, garbage in water flow can be conveyed into the collection box, rapid collection work is facilitated, and centralized treatment is facilitated.

The utility model provides a river regulation bank protection desilting device which comprises a mounting seat, the top of the mounting seat is provided with a filter box through a rotating mechanism, one side of the filter box is fixedly provided with a stand column, and one side of the stand column is provided with a desilting cover through a lifting mechanism. The vertical column, the lifting mechanism, the dredging cover and the like can be rotationally adjusted through rotating mechanisms such as a third servo motor and a rotating disc, and different positions in a river channel can be conveniently dredged through cooperation with lifting mechanisms such as a first servo motor, a first screw rod, a cross rod, a second servo motor, a second screw rod, a telescopic rod and a fixed pipe; the orientation and angle of carrying equipment do not need to be adjusted, operation is easy, sludge can be scattered through a fourth servo motor and a stirring paddle, the sludge can be conveniently pumped out, and the practicability of the device can be improved; and sludge can be filtered through the filter box and the filter screen, the sludge and water are separated and discharged separately, and the dredging efficiency of the device can be improved.

The unpowered dredging equipment in river regulation comprises two symmetrically arranged water flow outlet arc-shaped plates, and the two water flow outlet arc-shaped plates are symmetrically arranged close to the river bank side; at least two water flow inlet steering plates are arranged in the direction right facing the water flow, a small-scale centripetal radian plate is arranged in the direction back to the water flow, and a water flow outlet end is arranged between the small-scale centripetal radian plate and the water flow outlet arc-shaped plate. The two symmetrically-arranged water flow outlet arc-shaped plates, the water flow inlet steering plate and the small-scale centripetal radian plate integrally define a ring shape, and the diameter of the ring shape needs to be matched with the width of the river bottom. According to the utility model, the water flow dynamics principle and the engineering design are utilized, and the sludge is automatically cleaned through the water flow of the riverway. By using the device, the manual cleaning cost and workload can be reduced, meanwhile, interference to the environment is reduced, the ecological environment of the river channel is protected, and the smoothness of the water channel is maintained.

The present application belongs to the field of water and soil conservation ecological technology and river regulation engineering, and particularly relates to a kind of northern watershed water and soil conservation riparian zone habitat configuration method, and the construction area of riparian zone habitat is constructed along the slope from the river bank slope to the underwater region of water-land interlaced area, and a strengthened carbon storage embankment shelterbelt area, a wetland carbon sequestration buffer zone and an enhanced carbon deposition and burial shallow water / deep pool area are constructed; the strengthened carbon storage embankment shelterbelt area comprises a carbon sequestration functional soil and water conservation forest network, a "Z" type energy reduction stepped slope overflow ditch and a carbon reduction retention ditch arranged in a "coordinate system"; the wetland carbon sequestration buffer zone comprises a carbon sand deposition pool, a biodiversity wetland and an intermittent wetland ecological water requirement shallow dike; the carbon deposition and burial shallow water / deep pool area comprises an underwater shallow water / deep pool system constructed by a fishbone type wood dike and a methane configuration aquatic plant planting cabin for preventing river erosion. The present application can promote the potential of carbon sink growth and promote the riparian ecosystem of water and soil conservation.

The invention relates to the technical field of river dredging, in particular to a dredging device for river regulation. The technical problems that due to the fact that silt deposits for a long time, part of the silt is dense, the fluidity of the silt is poor, criss-cross aquatic plants can grow in the silt, the advancing resistance of the device is large, and the dredging effect on a river channel is poor are solved. A dredging device for river regulation comprises a mounting frame, a connecting pipe is fixedly connected to the mounting frame, a telescopic pipe is slidably connected into the connecting pipe, and a silt suction bin is fixedly connected to the telescopic pipe. And the synchronous frame translates in a reciprocating manner to drive the six rotating arms to swing in a reciprocating manner, so that the rotating arms crush the dense sludge, the flowability of the sludge is improved, and the dredging effect on the river channel is further enhanced.

The present application belongs to the technical field of river section feature recognition, and particularly relates to a river section morphological feature recognition method based on remote sensing. The present application realizes accurate recognition and dynamic monitoring of river morphological features through multi-source remote sensing data fusion analysis, improves the scientificity and efficiency of river management, and provides fine data support for river ecological restoration and management through the construction of river section classification and morphological modules, thereby supporting the intelligentization and dataization needs of river management decisions. Meanwhile, through time sequence analysis of the repair node and the current node, the effective prediction of the river morphological evolution trend is realized, and after the prediction result is output, the confidence is also checked and evaluated, thereby ensuring the reliability and applicability of the prediction result, so that the prediction result can provide corresponding data support for river regulation engineering, can predict the river morphological change trend in advance, and also provides a scientific basis for flood control and disaster reduction and water resource management.

The invention relates to the technical field of embankment anti-seepage treatment of river regulation engineering, and discloses an anti-seepage treatment method for the periphery of a pier foundation of a near-embankment section of a cross-embankment bridge. And a circle of high-pressure rotary jet grouting cement soil piles are jetted on the periphery of the cast-in-place pile foundation within the dike management range to serve as a transition layer between the cast-in-place pile foundation and a soil body. The invention further discloses a construction method of the high-pressure rotary jet grouting cement soil pile. According to the anti-seepage treatment method for the periphery of the pier foundation of the near-dike section of the dike-crossing bridge, on the premise that an original dike body structure is not damaged, contact scouring between a dike foundation soil body and the pier cast-in-place pile foundation is effectively prevented, the possibility of seepage damage of the dike foundation in the flood season is reduced, and the flood prevention safety of the dike of the dike-crossing section of a newly-built bridge in the flood prevention season is guaranteed.

The utility model provides a continuous desilting device for river regulation, which relates to the technical field of hydraulic engineering and comprises a self-absorption sewage pump body, the bottom of the self-absorption sewage pump body is fixedly connected with a square bearing plate, and the bearing plate is made of plastic materials. A pushing handle is fixedly connected to the top of the bearing plate and located on the left side face of the self-suction sewage pump body, the pushing handle is made of an aluminum alloy material, universal wheels are installed at the corners of the periphery of the bottom of the bearing plate, and first electric push rods are correspondingly installed at the positions, close to the universal wheels, of the bottom of the bearing plate; the fixed ends of the first electric push rods are fixedly connected with the bearing plate, the output ends of the first electric push rods are fixedly connected with supporting legs, and the periphery of the bearing plate is fixedly connected with an inflatable airbag. Through the design, sludge in a river channel can be effectively cleaned, and the device is convenient to move, so that the continuous dredging capacity is high; and the dredging efficiency is effectively improved.

The utility model relates to the technical field of river channel garbage classification, and discloses a garbage classification device for river channel treatment, which comprises a protection box, the middle upper end of the inner side of the protection box is fixedly connected with a protection column, the outward end of the inner side of the protection column is fixedly connected with a servo motor, the output end of the servo motor is fixedly connected with a fan blade, and the output end of the fan blade is fixedly connected with a motor. And air exhausters are fixedly connected to the middles of the left side and the right side of the protection box, the input ends of the air exhausters communicate with air exhaust pipes, the inward ends of the air exhaust pipes communicate with the left side and the right side of the outer wall of the protection box, and the output ends of the air exhausters communicate with first air outlet pipes. According to the air purifier, through mutual cooperation of the protection column, the servo motor, the fan blades, the protection box, the second air outlet plate, the first air outlet plate, the air extractor, the air extraction pipe and the purifier, peculiar smells on the inner side of the protection box can be reduced, and meanwhile the situation that due to the fact that peculiar smells are left for a long time, a large number of bacteria and mosquitoes are generated easily, and normal use of an operator is affected is avoided.