5162 results about "Stormwater" patented technology

The invention discloses an urban rainwater pipe network blockage risk early warning method and system based on edge calculation, and relates to the technical field of urban drainage monitoring. The problems that existing pipe network blockage detection lags behind, and the early warning precision is insufficient are solved. Dynamic hydraulic parameters and sediment migration state data of a pipe section are collected in real time through edge calculation equipment deployed at a pipe network node, the hydraulic state deviation rate is calculated, and the local blockage risk is rapidly recognized; when the deviation rate exceeds a threshold value, a dynamic sensing network is established by the trigger nodes, and a pipe network hydraulic topological relation is established by integrating the liquid level and flow velocity characteristics of the upstream and downstream nodes; executing distributed collaborative analysis based on the topological relation, identifying an abnormal attenuation area, calculating a sediment dynamic equilibrium index, and generating a blockage diagnosis parameter; and further combining real-time rainfall intensity to predict an overflowing capacity attenuation curve, generating a multi-stage early warning instruction according to an attenuation slope, and distributing the multi-stage early warning instruction to an operation and maintenance terminal, thereby realizing accurate early warning and active regulation and control of the blockage risk of the rainwater pipe network.

The invention relates to the technical field of water resource scheduling, and provides an urban inland river system intelligent resource scheduling management system and method based on dynamic data collaboration, and the method comprises the following steps: S1, collecting river hydrological data, water quality indexes, urban water demands and water transfer facility state data in real time, and carrying out the time-space alignment and abnormal value filtering; s2, a hydrodynamic force-water quality coupling model of multiple water sources is established, a multi-objective optimization model is established in combination with constraint conditions of ecological base flow and an engineering upper limit, and the multiple water sources include but not limited to river water, underground water, reservoir water, reclaimed water, rainwater and desalinated seawater; and S3, carrying out global dynamic optimization on the water transfer proportion and the water transfer facility parameters by adopting a model algorithm, and minimizing the water transfer cost and the ecological influence. By quantifying the maximum flow upper limit and the ecological base flow threshold value of each water source and optimizing the water transfer proportion and facility parameters, the water resource utilization efficiency is improved, and it is guaranteed that the water transfer cost and the ecological influence are balanced in the urban river water dispatching process.

The invention discloses an urban inland inundation optimization transformation method and system based on a pipe network earth surface coupling hydrodynamic model, and the method comprises the steps: firstly generalizing a pipeline and a catch basin, constructing a pipe network confluence model according to a pipe network hydrodynamic method, then dividing a sub-catchment area according to a river network flood routing method, building an urban comprehensive drainage model through the sub-catchment area, and carrying out the optimization transformation of the urban inland inundation. Then establishing a surface runoff model by using a surface flood routing method and a Horton penetration method; according to the system, the function of accurately and efficiently simulating the urban inland inundation process is achieved, urban rainwater circulation is completely simulated, an urban drainage pipe network and a river channel model are integrated, and the interaction between an urban drainage system and a ground surface storage water body is truly simulated; and necessary support is provided for disaster situation rehearsal and rainwater engineering planning and layout, so that urban inland inundation points can be removed in advance, influences on production and life of people are avoided, and the method is suitable for being widely popularized and used.

The invention discloses an urban area runoff pollutant transportation process simulation forecasting method, which is characterized in that a building area runoff production calculation method under the influence of a wind field is provided, and the building area runoff production calculation method is coupled with an SWMM rainfall flood model; secondly, constructing a two-dimensional hydrodynamic model based on an FVCOM and a Lagrange particle model, coupling the two-dimensional hydrodynamic model with the SWMM rainfall flood model, and driving the two-dimensional hydrodynamic model by taking the overflow flow and the pollutant concentration simulated by the SWMM rainfall flood model as boundary conditions; simulating a transportation process of pollutants along with evolution of surface ponding by establishing a'concentration-quantity 'conversion relation between the pollutants and particles at grid units and nodes, and obtaining a time sequence pollutant concentration data set; and training and establishing a pollutant concentration prediction model based on the obtained data, and then predicting the pollutant concentration of each prediction point after specific time in an actual rainfall event. According to the method, the runoff pollutant concentration can be predicted, and the urban non-point source pollution risk under the rainstorm weather is reduced.

The invention discloses a road foundation bearing characteristic analysis method and system, relates to the technical field of road foundation analysis, and realizes a fundamental breakthrough for the problems of high misjudgment rate, poor climate adaptability and the like caused by a traditional fixed threshold by constructing a dynamic self-adaptive risk judgment threshold mechanism. According to the mechanism, when a dynamic threshold value Tdy is calculated, spatial statistical characteristics of current foundation response strength are fully fused, and a comprehensive environment disturbance characteristic, namely a collapsible environment index, is combined, so that a dynamic judgment standard with environment sensitivity adjustment capability is formed. The system can automatically adjust the risk identification threshold value according to the actual rainwater infiltration intensity and the underground water dynamic jump condition, so that the system can actively reduce the risk tolerance boundary and identify and respond to an abnormal area in advance under the extreme working conditions of heavy rainfall, rapid underground water rising and the like, and moderately relaxes in a dry or stable period, so that the risk identification accuracy is improved. And the real-time performance and adaptability of risk identification are obviously improved.

The invention discloses a sponge city high-terrain rainwater management method and system, particularly relates to the technical field of rainwater prediction management, and is used for solving the problem of poor high-terrain rainwater prediction management scheduling. For a high terrain small watershed, data such as elevation, permeability coefficient, soil layer thickness and vegetation coverage are collected and preprocessed, a continuous physical field is generated, a facility pipe network is mapped, and then grid units are divided; a multivariate predictor is constructed based on grid cell center attributes, edge node increment fine adjustment is issued after cloud training, and a model is optimized through scene matching and federal learning; after rainstorm, automatically extracting observation and prediction residual increment to train a neural network and generating a confidence interval; and the edge nodes divide risks according to the confidence interval, the flood control water depth and the minimum infiltration threshold value and output gate opening and pump set power suggestions, so that the high-terrain small-watershed extreme rainstorm peak prediction precision and response time efficiency are remarkably improved, and refined risk perception scheduling and rainwater resource utilization are realized.

The invention discloses a cloud and rainfall multi-parameter collaborative inversion method suitable for satellite passive microwave observation, and relates to the technical field of satellite meteorological remote sensing. The method comprises the following steps: firstly, collecting and carrying out space-time matching on related data to obtain fused data; secondly, constructing a prior data set; then multi-parameter collaborative inversion is carried out; the method can be used for acquiring various cloud and rainfall parameters, including a surface rainfall rate, a cloud water content profile, a rainwater content profile, an ice water content profile, a cloud water path, a rainwater path and an ice water path; the mapping relation between observation and physical states can be established without depending on actual observation of instruments, and the method is suitable for passive microwave instruments of the whole wind cloud three-series satellites and similar instruments of other satellites; the error accumulation effect caused by independent operation of all algorithms in a traditional multi-instrument algorithm system can be avoided, and the algorithm development cost and implementation complexity for new instruments can be reduced.

An apparatus and a method are provided for a mobile reservoir system to provide potable water to desired destinations. The mobile reservoir system includes a waterborne vessel that includes a cargo hold. A collection unit comprised of a material for safe and sterile storage of potable water is disposed in the cargo hold. One or more collectors channel rainwater into the collection unit. Each collector is a sheet of a non-porous material supported on a retractable frame and a plurality of support arms. The sheet provides a surface area for collecting rainwater. A porous material covers the collection unit and operates as a filter for collected rainwater. A retractable cover may be extended over the cargo hold to provide protection to the collected rainwater in the collection unit. A filtration system is configured to offload the rainwater as potable water.

The invention discloses a cast-in-place concrete beam construction method based on deformation control, and relates to the field of cast-in-place beam construction. S2, foundation treatment; s3, a support is erected and pre-pressed; s4, a formwork is installed; s5, steel bars and prestressed pipelines are installed; s6, concrete construction; and S7, removing the bracket. BIM modeling and an intelligent monitoring system are combined, the foundation treatment range is expanded, an automatic drainage system is arranged, edge settlement and rainwater soaking are effectively avoided, a support system is selected according to needs, anti-sidesway design is strengthened, stress is accurately simulated through graded automatic loading and pre-pressing, reliable deformation data are ensured through double monitoring, pre-camber calculation is scientific, errors are reduced, and the construction efficiency is improved. Formwork, reinforcing steel bars and prestressed pipelines are installed in a standard mode, the structural quality is guaranteed, concrete construction pays attention to temperature control and maintenance, crack reduction and support dismantling are symmetrically carried out in a grading mode, the springback amount is monitored in real time, and construction safety is guaranteed.

The invention relates to an outdoor protective box-type substation, which relates to the technical field of box-type substations and comprises a box body, a box door hinged to the box body and a box cover covering the top of the box body. A plurality of heat dissipation openings are formed in the opposite vertical side faces of the box body, protective covers with downward openings are fixedly arranged on the outer side opening edges of the heat dissipation openings, and drainage covers with upward openings are fixedly arranged on the inner side opening edges of the heat dissipation openings. According to the invention, the protective cover can shield most of rainwater falling from the side surface and prevent the rainwater from directly entering the heat dissipation opening, so that the risk of rainwater permeation is greatly reduced. Meanwhile, due to the design of the drainage cover, when rainwater infiltrates accidentally, water flow can be guided to flow out upwards along the cover body, and the water flow is prevented from making contact with electrical elements in the box body. The dual protection mechanism not only guarantees the heat dissipation requirement of the box-type substation, but also remarkably improves the rainproof performance of the box-type substation, and ensures the stable operation of equipment under severe weather conditions.

The present application relates to the technical field of water environment treatment, and provides a training method and apparatus and a regional rainwater runoff pollution load prediction method and apparatus. The prediction model training method comprises: acquiring historical rainwater runoff pollution load data of a region and historical feature data of the region, wherein the historical feature data comprises feature data representing attribute data categories and feature data representing meteorological data categories; on the basis of correlation values between the historical rainwater runoff pollution load data and the historical feature data, screening the historical feature data to obtain feature data to be trained; and training an initial prediction model on the basis of the feature data to be trained and the historical rainwater runoff pollution load data to obtain a prediction model for regional rainwater runoff pollution load prediction. The solution can improve the accuracy of training data, thereby obtaining a prediction model having high accuracy.

The invention relates to the technical field of rock slope ecological protection, in particular to a rock slope ecological protection anchoring system which comprises a slope body, a planting frame, a greening vegetation layer, a protective net and an ecological restoration assembly. The ecological restoration assembly conveys and irrigates stored rainwater through a water storage tank, a water conveying pump, a water conveying pipe, permeation pipes and a first blocking pipe structure, meanwhile, the first blocking pipe is a hose, when water flows through the first blocking pipe, the first blocking pipe can expand and bulge, the first blocking pipe and the permeation pipes form a cross-shaped closure structure, and a stable supporting structure is formed; soil in the greening vegetation layer can be effectively intercepted, water and soil loss is prevented, collaborative optimization of ecological restoration and structural reinforcement is achieved, and long-term reliability and ecological benefits of the system are guaranteed.

The invention provides an intelligent rainwater regulation and storage method and system, and relates to the technical field of hydraulic engineering, and the method comprises the steps: collecting irrigation area environmental parameters in real time, the environmental parameters comprising rainfall intensity, soil humidity, weather forecast data and crop growth stage identifiers; dividing an irrigation area into a plurality of sub-areas according to the environmental parameters, integrating the sub-areas, and judging a water storage or drainage demand state of the integrated sub-areas; according to the water storage or drainage demand state of the integration sub-region, the dynamic drainage or water storage priority is calculated by combining the terrain gradient, the crop root depth and the real-time humidity value of the integration sub-region, and a water distribution scheme is generated through a multi-objective optimization algorithm; the water conservancy facility is driven to execute regulation and storage operation, the regulation and storage effect of the water distribution scheme in each integration sub-region is simulated in real time through digital twinning, and the regulation and storage strategy is dynamically corrected; by constructing an intelligent closed-loop decision-making system and fusing multi-source data to drive dynamic regulation and storage unit division and multi-objective optimization, the accuracy of water resource scheduling is improved.

The invention relates to the technical field of water and soil loss monitoring, in particular to a water and soil loss monitoring and early warning system and method based on the Internet of Things. The system comprises a water and soil data acquisition and processing unit which acquires meteorological data, soil environment data and regional basic data by using an NB-IoT communication technology based on an Internet of Things sensor; the soil state monitoring unit divides a soil state monitoring period into a freezing period, a transition period and a rainwater period by using a soil state label mechanism; the water and soil loss monitoring unit combines the snow melting factor and the rainfall factor into a USLE model to obtain soil erosion amount models in different periods, and calculates the soil erosion amount; and the water and soil loss early warning unit analyzes the water and soil loss risk of each period and performs early warning. Based on a soil state label division mechanism of a freezing period, a transition period and a rainwater period and a staged water and soil loss monitoring model construction method, dominant erosion factors are dynamically switched according to freezing and thawing characteristics of black land in northeast China, and water and soil loss monitoring is achieved.

The invention relates to the technical field of geotechnical engineering safety monitoring and evaluation, in particular to a soft rock slope stability dynamic evaluation method which comprises the following steps: S1, acquiring slope environment parameters, construction parameters and geological basic parameters; s2, through simulation of the whole rainfall infiltration process, the spatio-temporal evolution characteristics of pore water pressure in a slope rock stratum are quantified, the aging relation between soil shear strength degradation caused by rainwater and slope displacement is analyzed, and a slope instability threshold calculation model is established; and S3, analyzing the monitored deformation and displacement cumulative effect of the slope and the migration characteristics of the rock stratum slip plane under the load action of the construction vehicle, and constructing a rock stratum instability risk assessment model based on the construction parameters. By comprehensively considering the influence of environmental parameters, construction parameters and geological basic parameters on the slope stability, dynamic evaluation and graded early warning of the slope stability are realized, a construction scheme can be pre-evaluated, and a construction reference is provided for safety management and control of a soft rock slope project.

The invention relates to the technical field of sailboat training instruments, and provides a real-time simulation platform for sailboat exercise training, which comprises a training sailboat used for trainee driving training; the rainwater simulation mechanism is used for simulating the influence of raining on the sight of the driver in rainy days; the water inlet mechanism is used for simulating the influence on the operation of a driver when the training sailboat inclines in rainy days and water enters a cockpit; and the water pumping mechanism is used for simulating internal drainage of the cockpit and recycling recycled water resources. Through the cooperation of the rainwater simulation mechanism, the control mechanism and the water inlet mechanism, the sailboat training simulation platform can simulate the influence of rainwater blowing to a cab from different directions on the sight of a student, can simulate the influence condition of the amount of different rainwater blowing to the interior of the cab from different directions on the sight of the student, and meanwhile, can simulate the influence condition of the amount of rainwater blowing to the interior of the cab from different directions. The sailboat training simulation platform can simulate the influence of rainwater on the deck of the training sailboat entering a cockpit due to the inclination of the boat body on the operation and driving of trainees in rainy days.

The present invention discloses a tiered liquid collection method for the in-situ mining process of ionic rare earth ores. For ionic rare earth mines with high mountains and steep slopes or large ore volumes, the method utilizes tiered divisions and liquid collection facility layouts based on geological conditions such as the area of ​​the injection mining area, topography, and rock formation occurrence. Multiple layers of leaching diversion holes, leaching collection trenches, and rainwater drainage trenches are arranged from top to bottom to collect leaching liquid and drain natural rainfall. An anti-seepage curtain is constructed along the foot of the mountain to prevent leaching liquid from overflowing and leaking. A leaching collection well with multiple layers of leaching diversion holes is installed in the liquid accumulation area inside the anti-seepage curtain to recover the leaching liquid and control the groundwater level in the accumulation area. This method can effectively control landslides, mudslides, and debris flows that are prone to occur during the injection process in mines with high mountains and steep slopes. It can also achieve tiered mining, effective leaching liquid collection, and reduced leaching agent loss in mines with large ore volumes, contributing to the establishment of a new model of ecological and green mining for sustainable development.

The invention relates to a rod-shaped composite insulator with large umbrella skirts, which is applied to the field of insulators, and is characterized in that an elastic insulating tube is additionally arranged on the basis of an existing insulator, and large and small umbrella skirts are sleeved on the elastic insulating tube, so that the modular design of the insulator is realized, and local replacement and maintenance are facilitated; meanwhile, the electrostrictive ring is arranged in the middle umbrella skirt, and the lower part of the middle umbrella skirt is expanded outwards after the electrostrictive ring is electrified, so that the umbrella diameter of the middle umbrella skirt is increased, the creepage distance is increased, formation of a rainwater chain can be effectively prevented in rainy and snowy weather, ice edge bridging can be effectively inhibited, and the flashover resistance of the insulator is further effectively improved; and the umbrella diameter of the small umbrella skirts is increased under the pressing of the middle umbrella skirts, so that the anti-pollution capability of the insulator is effectively improved, in addition, the umbrella diameter of the umbrella skirts is increased, the effects of deicing and snow removal can be achieved by virtue of the extension function of the umbrella skirts, and the anti-flashover capability is further effectively improved.

The invention relates to an iron tower foundation safety analysis method considering the dry-wet cycle effect. The method comprises the following steps that 1, a soil body strength degradation constitutive model is established; 2, determining iron tower foundation structure parameters and soil body parameters; 3, establishing an iron tower foundation-soil body three-dimensional geometric model by utilizing three-dimensional modeling software and rock-soil finite element simulation software; 4, applying a load transmitted to the iron tower foundation by the power transmission iron tower in the iron tower foundation-soil body three-dimensional geometric model, defining initial parameters, and establishing a rainwater seepage and dry-wet cycle coupling effect analysis model; 5, analyzing and predicting the cycle index when the safety coefficient of the iron tower foundation is reduced to a threshold value from the two aspects of tower foundation ultimate bearing performance and iron tower foundation-soil body interaction on the basis of a rainwater seepage and dry-wet cycle coupling effect analysis model; according to the method, an efficient and accurate numerical analysis means can be provided for safety assessment of the power transmission tower foundation in the collapsible loess area.

The invention discloses a side slope rainwater circulation system based on spongy rainwater utilization, which relates to the technical field of side slope ecological engineering and comprises a water quality monitoring and grading module, a multi-stage water storage processing module, an intelligent irrigation decision module, a water source dispatching and distributing module and a drip irrigation execution module. According to the system, efficient utilization and accurate distribution of slope rainwater resources are achieved through the intelligent water source dispatching and distributing module, the system can dynamically select the optimal water source unit according to real-time water quality monitoring data and water use requests, reasonable distribution of the water resources is ensured through a grading response strategy, and the water resource utilization rate is improved. When the water consumption demand exceeds the available water consumption of a single water storage unit, the system can automatically generate a new water consumption request, water consumption interruption caused by insufficient water sources is avoided, meanwhile, by monitoring the water level of the water storage unit in real time and calculating the safety capacity margin, the system can effectively prevent and control the water level risk, and stable operation of the system is ensured.

Consistent with disclosed embodiments, a stackable endcap of a chamber for holding and discharging stormwater may be provided. The stackable endcap may include an endcap body having a wall with a convex outer surface and a concave inner surface, the concave inner surface of the wall defining an interior volume of the stackable endcap; a substantially planar foot extending from a lower edge of the endcap body; and a protruding inner rim running along an inner edge of the endcap body. The stackable endcap may be configured to be stacked with at least one additional endcap such that at least one of the foot or the inner rim of the stackable endcap contacts the additional endcap while the wall of the endcap body is spaced apart from a wall of the additional endcap.

The invention provides a highly-integrated intelligent container, and belongs to the technical field of containers. Comprising a container body, a first guide mechanism is mounted at the bottom of the container body, a first supporting plate is mounted at the top of the first guide mechanism, and a storage plate is rotationally connected to the top of the first supporting plate; and the first shielding mechanism is used for shielding the top of the container body. By arranging the first shielding mechanism, the device can provide a good shielding and protecting effect on the top of the container body, and a heat insulation effect is achieved. In hot weather, this helps to reduce the energy consumption of the thermal management system within the container body. The second shielding mechanism is used for conducting protection and heat insulation on the two sides of the container body. When the first shielding mechanism and the second shielding mechanism are used in cooperation, rainwater can be collected into the water storage bag body in rainy days. Therefore, the device can store enough water sources even in the environment that the water sources are deficient.

The invention belongs to the technical field of bridge construction, and particularly relates to protective equipment with a protective shed hanging basket in a rainy region, which comprises a pouring section, the hanging basket is arranged at one end of the pouring section, a power mechanism is arranged at the upper end of the pouring section, an adjusting mechanism is arranged on one side of the power mechanism, and first rainproof cloth is arranged in the adjusting mechanism. And rainproof cloth II is arranged on one side of the adjusting mechanism. According to the protection equipment, the first waterproof cloth and the second waterproof cloth are arranged, the characteristics of water seepage resistance and tearing resistance of the high-strength PVC coating cloth are matched, meanwhile, it is guaranteed that the waterproof cloth is flat, tensioned and free of wrinkles after being unfolded by means of the steel wire rope balancing weight, and erosion of rainwater to unsolidified concrete and a hanging basket operation area of a pouring section can be completely isolated; the problems of segregation, surface dusting, strength reduction and the like of concrete due to rain wash are avoided, it is guaranteed that the concrete construction quality reaches the design standard, and the quality rework cost and construction period delay caused by rain are greatly reduced.

The invention provides a rainwater and wastewater recycling system for a construction site, and relates to the technical field of rainwater collection, the rainwater and wastewater recycling system comprises an underground water well, a water collecting tank is arranged at the upper end of the underground water well, a center shaft is installed at the circle center of the underground water well, and the water collecting tank is rotatably installed on the surface of the center shaft through a bearing; an unfolding assembly is arranged at the top of the water collecting tank, the water spraying rods can be unfolded and folded through the unfolding assembly, in the unfolding state, the plastic cloth between the two water spraying rods can be unfolded to form an umbrella-shaped structure, and rainwater flows into the water collecting tank through the surfaces of the different plastic cloth; impurities and soil in rainwater are filtered in the space formed by the interlayers in the water collecting tank, then the rainwater is collected by the underground water well, when the water spraying rod is folded, the rainwater collected in the underground water well can serve as dust falling spraying water to be conveyed to the water spraying rod, rainwater collection and recycling are achieved, and the device is convenient to install and suitable for a construction site.

A downspout end cover protects and closes a lower end of a cylindrical rain gutter downspout assembly. The cover includes a body that forms a continuous hollow channel for passage of collected rainwater. An aperture at the back of the body is sized to attach to the downspout, and a front cylindrical or oval aperture emits collected rainwater. A door is rotatably attached to the front of the body at a top of the front of the body by a hinge and when closed, prevents entry of animals, insects or blown debris. The front of the body may be sloped and the door may rest against an inset ledge that protects the door and seals the downspout end cover against entry of insects and preventing detachment of the door from the body. The hinge may be offset from the back surface of the door by an arm.

The utility model belongs to the technical field of slope ecological protection, and provides a high slope rainwater collection and automatic irrigation system based on the Internet of Things, which comprises an integrated control assembly, a signal acquisition assembly, an irrigation mechanism and a rainwater collection mechanism, the integrated control assembly is wirelessly connected with the signal acquisition assembly and the irrigation mechanism; the signal acquisition assembly is provided with a soil humidity sensor; the irrigation mechanism comprises an irrigation pipe network and a reservoir; the irrigation pipe network comprises a main pipe, a plurality of branch pipes and irrigation emitters fixedly connected with the branch pipes; the main pipe is communicated with the reservoir; and the rainwater collecting mechanism is communicated with the reservoir. The irrigation system can be logged in through the mobile terminal or the computer terminal, the upper limit value and the lower limit value of the soil humidity are preset remotely, the soil humidity sensor is used for monitoring, and the irrigation mechanism is controlled to perform full-coverage irrigation on vegetation according to the implementation humidity automatic feedback of the soil. Automatic irrigation of high slope vegetation is achieved, and the irrigation effect is good.

A leakage-proof structure of a partition seam of a roof is arranged below the partition seam and used for preventing rainwater from leaking to the inner side of the roof through the partition seam, the flatness of the roof structure can be guaranteed by pre-burying the leakage-proof structure below the partition seam, and therefore the practicability and attractiveness of the roof are improved. The leakage-proof structure comprises a filling layer, an exhaust part and a leakage-proof assembly, the leakage-proof assembly is arranged below the warehouse dividing seam, the warehouse dividing seam is filled with the filling layer, the exhaust part is connected with the leakage-proof assembly, when leakage occurs in the warehouse dividing seam, leakage water flows into the leakage-proof assembly, and the leakage-proof assembly prevents the leakage water from further permeating into the roof. And then water vapor in the leakage-proof assembly is exhausted out of the leakage-proof structure through the exhaust part, the water vapor is prevented from being accumulated in the leakage-proof assembly, and therefore the leakage-proof performance of the bin dividing seam is further improved.

The invention belongs to the technical field of ecological restoration devices, and particularly relates to an ecological restoration device for preventing and controlling water and soil loss, which comprises a water guide planting module, the bottom end of the water guide planting module is inserted into the ground, the water guide planting module is used for guiding rainwater into deep soil or storing the rainwater, and a seed bag is arranged on the outer side of the water guide planting module; the sand blocking and water purifying module is arranged at the top end of the water guide planting module, the interior of the sand blocking and water purifying module communicates with the interior of the water guide planting module, and the sand blocking and water purifying module is used for blocking silt and purifying water; the rainfall collection module is arranged at the top end of the water guide planting module and communicates with the interior of the water guide planting module, the top end of the rainfall collection module is obliquely arranged, the peripheral height of the top end of the rainfall collection module is higher than the center height, and the rainfall collection module is used for guiding rainwater into the water guide planting module; and the irrigation cover top is arranged at the top end of the rainfall collection module and communicates with the water guide planting module. The ecological restoration method can meet the requirement for ecological restoration on the bare soil slope with serious water and soil loss.

The invention relates to the technical field of flame-retardant cables, and particularly discloses a drip-proof flame-retardant cable and a preparation method thereof.The drip-proof flame-retardant cable comprises conductors and further comprises an elastic supporting layer, and the outer surfaces of the five conductors are wrapped with the elastic supporting layer. According to the drip-proof flame-retardant cable and the preparation method thereof, when the cable is bent, the elastic supporting layer can perform elastic pressure relief on the shearing force of wind, so that the bending strength of the cable is reduced, and the situation that the cable is greatly shaken due to the fact that the cable is often influenced by strong wind in coastal areas is avoided; when the cable is partially bent, the filling cavity at the bent part is extruded, so that the oxygen barrier layer is prevented from generating microcracks at the bent part, and the risk that rainwater permeates into the cable and is vaporized and exploded at high temperature when encountering an electric arc is avoided. Therefore, the non-Newtonian fluid in the local filling cavity is locally hardened under the action of the extrusion force, the bending strength of the cable is greatly reduced, and the internal conductor is protected.