3581 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 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.

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 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 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 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.

The invention discloses a rainstorm ground waterlogging prediction method, device, equipment and product, and relates to the technical field of urban waterlogging prediction.The rainstorm ground waterlogging prediction method comprises the steps that ephemeris and ground observation station data are obtained, the atmospheric moisture delay amount and the high-altitude water vapor conversion factor are calculated respectively, the historical water vapor content is calculated, and the future atmospheric precipitable water amount is predicted; rainfall time distribution data are obtained through rainstorm intensity decomposition; calculating the rainwater overflow amount of the catchment area in combination with the water discharge amount time distribution data of the urban drainage pipe network; and iterative calculation is carried out by using a digital elevation model grid to obtain the waterlogging depth, and waterlogging early warning information is sent out. By constraining the total rainfall amount, the rainfall amount can be effectively constrained by predicting the precipitable water amount based on the satellite ephemeris; the underground pipe network drainage is restrained, and a water flow condition in a pipe channel is simulated by adopting an SWMM model; and finally, the waterlogging accumulated water volume is calculated, constraint verification is carried out on each link of urban waterlogging, and relatively high precision and relatively long timeliness are ensured.

The invention discloses a low-resistance high-efficiency air filter, and relates to the field of air filters, the low-resistance high-efficiency air filter comprises an upper shell, a lower shell, a ventilation end cover, a supporting shell installed in the upper shell and a filter element arranged in the supporting shell, a conical flow collecting barrel is arranged in the lower shell, the bottom of the conical flow collecting barrel is communicated with a water storage barrel, a connecting support is fixed in the water storage barrel, and the connecting support is connected with the ventilation end cover. A threaded connector is arranged at the bottom of the connecting support. The separation structure is connected between the inner wall of the upper shell and the outer wall of the supporting shell and is used for separating rainwater carried in the airflow; a drainage structure capable of preventing air leakage is arranged in the water storage cylinder; rainwater is separated from air through the arranged separation structure, so that the probability that the filter element is wetted by the rainwater can be greatly reduced, the filter element can effectively intercept dust and impurities, meanwhile, dust can be possibly carried in the rainwater, the dust falls down along with the rainwater, and therefore the filtering burden of the filter element can be relieved.

The invention provides an automatic insulator cleaning device. The automatic insulator cleaning device comprises a shell, a first driving assembly, a gear ring and a cleaning assembly. The shell is arranged on the insulator in a sleeving mode and connected with the tower pole, a rain baffle is arranged on the top of the shell in a surrounding mode, and a rain collecting space is defined by the rain baffle and the top of the shell. The multiple first driving assemblies are annularly arranged on the shell at intervals. Each first driving assembly is provided with a drainage channel communicating with the rainwater collecting space and a power conversion part used for converting kinetic energy of rainwater in the drainage channel into mechanical energy. And the gear ring is rotationally connected with the shell and is in power connection with each power conversion part. The cleaning assembly is connected with the gear ring, the cleaning assembly is provided with a plurality of cleaning parts annularly wound on the outer sides of the insulators, and the cleaning assembly is used for cleaning the surfaces of the insulators through the cleaning parts. According to the automatic insulator cleaning device provided by the invention, the surface of the insulator can be cleaned in all directions, and residual rainwater and dirt can be effectively removed.

The invention discloses an underground comprehensive pipe gallery for sponge city rainwater regulation and storage, and belongs to the technical field of comprehensive pipe galleries, the underground comprehensive pipe gallery comprises a regulation and storage pipe gallery box culvert and a water storage pipe gallery box culvert, the regulation and storage pipe gallery box culvert and the water storage pipe gallery box culvert each comprise an upper functional area and a lower treatment area, and each lower treatment area comprises a water inlet area, a settling area and a water outlet area which are sequentially arranged; a water inlet area of the water regulation and storage treatment area is communicated with the water inlet channel, a water storage pump is arranged in a water outlet area of the water regulation and storage treatment area and connected with a water storage capsule in the water storage pipe gallery box culvert through a pipeline, and a calling pump is arranged in the water storage capsule and connected with the water outlet channel of the water regulation and storage pipe gallery box culvert through a pipeline. According to the underground comprehensive pipe rack for rainwater regulation and storage of the sponge city, rainwater is stored after being subjected to precipitation treatment, the water storage capsules are adopted for water storage, the water storage capsules are arranged in the second water supply culvert, the occupied area is small, and the water storage capacity is improved.

This invention discloses a wind-solar-storage multi-energy complementary water lifting and rainwater harvesting coordinated irrigation system, relating to the field of intelligent irrigation. The system includes: a power unit, a rainwater harvesting unit, a water lifting unit, sprinkler irrigation equipment, and a drone formation. The drone formation is used to fly carrying the sprinkler heads and water pipes of the sprinkler equipment under the control of the control system, and to adjust the sprinkler head's spray position under the control of the control system, and to maintain a safe distance between the water pipes in the sprinkler equipment and ground obstacles under the control of the control system. This invention can realize intelligent and low-cost irrigation for citrus planting in hillside areas.

The invention relates to a building structure with a curtain wall drainage function and a construction method thereof, the building structure comprises mutually connected wall bodies, and is characterized in that the wall bodies comprise a first wall body, a second wall body and connecting walls, and at least one connecting wall is arranged between the first wall body and the second wall body; the first wall body, the second wall body and the connecting wall are each provided with a drainage assembly, the drainage assemblies are used for drainage of the surfaces of the wall bodies, each drainage assembly comprises a plurality of transverse water collecting grooves which are horizontally arranged and distributed up and down, vertical flow guide pipes are arranged in the middles of the transverse water collecting grooves, and the vertical flow guide pipes penetrate through all the transverse water collecting grooves; a water passing opening is formed between the vertical flow guide pipe and the transverse water collecting tank; the lower end of the vertical flow guide pipe is provided with a water drainage opening used for being connected with a water drainage pipe. Rainwater on the curtain wall can be collected and drained, and the situation that rainwater flows to the ground to affect wall corners and the situation that rainwater cannot pass through the wall conveniently are prevented.

The utility model relates to the technical field of rainwater collection and utilization, and discloses a stacked rainwater recovery module which comprises a collection structure, a stacked structure and a filtering structure are installed on the collection structure, the stacked structure comprises a longitudinal rod, a driving box, a fixing block and a motor, the longitudinal rod is provided with a plurality of drainage plates through a rotating shaft, and the drainage plates are connected with the driving box. A rotating shaft is fixedly installed on the outer side of the longitudinal rod, a gear is fixedly installed on the rotating shaft and located on the outer side of the longitudinal rod, the driving box is fixedly installed on the longitudinal rod through a fixing block, a rack is installed on the driving box through a motor and a lead screw in a threaded mode, and the rack is meshed with the gear. The angle of the drainage plates is adjusted, the guiding direction and speed of water flow can be flexibly adjusted according to different rainfall intensity, wind speed and other environmental factors when rainwater enters the collecting box, the number of the drainage plates is three, the drainage plates are sequentially lengthened from top to bottom, and the situation that the water flow is gathered too fast is avoided.

The application discloses a river ecological slope protection, and relates to the technical field of new energy building engineering.The river ecological slope protection comprises a slope protection body and a slope protection device, the slope protection body is provided with a water storage tank, a nozzle pipe, a watering nozzle, a watering pipe, a pump, a solar panel and a planting area, the water storage tank is communicated with a river channel through an anti-overflow pipe, water level is dynamically adjusted, and rainwater is collected; the watering system is driven by the pump, and vegetation is irrigated by solar power supply; the slope protection device comprises a self-adaptive protection structure and an aquatic breeding module; after water is stored in a pressure water storage tank, a pressing plate is driven to be pressed down, a linkage movable rod is extended and retracted to protect a plate, water flow erosion is resisted, and soil and water loss of the planting area is avoided; a servo motor controls the lifting of a breeding net cage through a cable and a pulley block, water level change is adapted, and economic value is improved.The river ecological slope protection realizes self-adaptive adjustment of the slope protection structure, efficient utilization of water resources and collaborative optimization of ecological and economic benefits through intelligent control, new energy driving and modular design, and is suitable for river channel management and ecological restoration engineering.

The invention is applicable to the technical field of stationing optimization, and particularly relates to a rainfall station network stationing optimization method and system, and the method comprises the steps: collecting social activity data in a preset range, selecting a deployment point location of a rainfall station, recognizing an observation blind area, and determining a temporary monitoring point location of a mobile rainfall station, acquiring historical meteorological data in a monitoring range, and shifting the temporary monitoring point position; sensing data of a mobile rain station of a rainfall station are collected, when a rainy day comes, a rainwater distribution diagram in a preset range is drawn, a rainfall range is delimited, the observation blind area is refreshed, and the monitoring equipment located in the observation blind area is found out. By calculating the occurrence frequency, the spatial distribution rule of rainfall can be accurately determined, the utilization rate of monitoring resources is improved, the scientificity and rationality of rainfall station layout are further improved, the limited rainfall stations can cover more representative areas, and monitoring blind areas are reduced.

The utility model provides a rain sewage pipe network clean-up shunting device which comprises a shunting box and a box cover, an adjusting plate is movably installed in the shunting box through a driving mechanism, first rubber strips are symmetrically and fixedly arranged at the two ends of the adjusting plate, and a first filter screen and a second filter screen are symmetrically and fixedly arranged on one side of the adjusting plate. Impurities in front-section rainwater and sewage can be filtered through a first filter screen and a second filter screen, when the amount of rainwater is large, the water level in the device is detected through a water level gauge, and an adjusting plate is rotationally adjusted through a servo motor and a shaft rod, so that the adjusting plate can seal the top of a blow-off pipe, and the top of the blow-off pipe is prevented from being blocked. Middle-section rainwater can be conveniently discharged into a river channel through the adjusting plate and the rainwater pipe, and rainwater and sewage can be separated; and the sundries can be moved to the upper end of the device through an adjusting plate, a first filter screen and a second filter screen, so that the sundries can be conveniently cleaned by opening the box cover, and the practicability is high.

The invention provides a quality-based and time-based multi-point water inlet control method and system and electronic equipment, and relates to the technical field of sewage treatment.The quality-based and time-based multi-point water inlet control method comprises the steps that drainage pipe network design information in a preset area is collected, and a split-system pipe network and a combined-system pipe network are identified; collecting real-time weather information, and judging a sunny day mode and a rainy day mode; in a sunny day mode, executing a complete treatment process through the biochemical pool; in a rainy day mode, the rainwater pipe network in the split-system pipe network is subjected to initial polluted rainwater interception, the rainwater and the polluted rainwater in the combined-system pipe network are subjected to flow and water quality analysis together, and the rainwater is connected into the biochemical pool in a time-sharing and point-sharing manner through segmented water inlet analysis. The technical problem that the overall operation stability and the treatment effect of the system are affected due to the fact that the sudden increase of the sewage flow cannot be fully dealt with in rainy seasons by adopting a whole-process treatment method or a mode of discharging after primary treatment in the prior art is solved.

The present invention provides stormwater drain inserts that may include a bib with an adjustable outer frame and an inner support ring for supporting a removable filter bag. An annular seal flap may be provided around a central opening of the bib above the inner support ring. Overflow ports may be provided in the bib between the outer frame and the inner support ring.

The invention discloses an optical cable cross-connecting box integrated with environmental monitoring, which is applied to the technical field of optical cable cross-connecting boxes, the environment of the optical cable cross-connecting box is monitored through an environmental monitoring module, opening and closing adjustment of a cold air hole is carried out according to an environmental monitoring result, and the cold air hole is opened and closed in sunny weather. Cold air moving from bottom to top in the cold air chamber blows to the optical cable connection module from the cold air holes to cool the optical cable connection module, the lifting support drives the closing plate to ascend to close the cold air holes in cloudy and rainy days, rainwater is utilized to infiltrate the inner wall of the cold air chamber, and volatilization of the rainwater is accelerated in cooperation with the cold air moving upwards in the cold air chamber. Therefore, water-cooling heat dissipation of the cold air chamber to the optical cable connection module in the box body is realized, high-humidity cold air is effectively prevented from contacting the optical cable connection module, and short circuit of the optical cable connection module due to moisture is effectively prevented.

An artificial rainwater collection irrigation method for broken hillside cultivated land in a stony desertification area comprises the steps that data such as broken bed rock surface trend and cultivated land distribution are measured in the field; calculating some important parameters by analyzing multi-year meteorological data: the mode of the number of rainwater collection cycles every year, the mode of rainfall in a rainfall period, the mode of illumination duration in an illumination period and the mode of single rainfall intensity; an artificial rainwater collecting surface is arranged, the material, the structure and the angle of the artificial rainwater collecting surface all have certain particularity, a confluence system is constructed, a low-position water collecting pool and a high-position water storage pool form an irrigation system, and the rainwater collecting area, the inner diameter of a confluence pipe, the storage battery capacitance, the photovoltaic panel area and the water pump power are calculated based on the important parameters; rainwater is collected in the main rainfall period in one year, and irrigation is conducted in the dry season. The system is particularly suitable for irrigation of broken hillside cultivated land in a stony desertification area with poor lithiasis ditch integrity, and irrigation requirements, a water collecting surface, a confluence path, a water collecting pool, a water storage tank and light energy can be integrally matched.

The invention relates to a house building roof drainage structure and a construction method thereof.The house building roof drainage structure comprises a house body, the house body is provided with a pitched roof part, the side wall of the house body is provided with a water collecting part, the pitched roof part extends downwards in the direction towards the water collecting part along the center line of the house body, the water collecting part is provided with a water collecting groove, and the water collecting groove is located on the side, away from the ground, of the water collecting part; rainwater on the pitched roof part flows into the water collecting groove, and the water collecting part is provided with a drainage pipe which is communicated with the water collecting groove. The water collecting part is arranged, liquid flowing down from the pitched roof is collected through the water collecting part, stable drainage is facilitated, the water collecting part can be used for collecting the liquid, the influence of the water collecting part on entering and exiting of personnel below the eave is reduced, the situation that tiles of the pitched roof fall off is reduced in the extreme weather, and the overall safety is improved.

The invention discloses an urban fine pipe network drainage effect simulation method based on a nonlinear reservoir method, and the method comprises the steps: obtaining the rainfall, terrain, underlying surface and trunk pipe network data of a research region, building a two-dimensional hydrodynamic model and a one-dimensional pipe network model based on the obtained data, dividing a control region for each rainwater node, and carrying out the calculation of the control region. Establishing a coupling relationship between a ground surface grid in the control area and a corresponding rainwater node; calculating the rainfall and infiltration process of the research area to judge whether the rainwater nodes overflow or not, if overflow occurs, performing overflow calculation, if overflow does not occur, deducting a certain amount of water from each earth surface grid, counting the water amount, adding the water amount into the corresponding rainwater nodes respectively, and correcting the water amount by adopting a nonlinear reservoir method; and performing data updating according to the calculation result until the set operation time is reached, and outputting the final calculation result of the research area. The problem that the drainage capacity of the pipe network is difficult to generalize in the absence of fine pipe network data in the prior art is solved.

The invention discloses a filler ratio optimization modeling method for removing tire particle dissolved substances in a rainwater system, and the method comprises the steps: carrying out the structural processing of obtained parameters, and constructing a structural parameter set; calling a mechanism library and a medium fingerprint library, processing data by adopting a mechanism constraint neural network (PINN), and generating a multi-component dissolution spectrum; the method comprises the following steps: describing migration and removal processes of pollutants in a packed bed layer through a one-dimensional convection-dispersion-reaction bed layer model, treating a competitive effect among the pollutants by adopting a multi-component competitive adsorption model, and outputting a dynamic penetration curve, a removal rate and pressure drop data of the pollutants; then carrying out multi-objective optimization and robustness analysis to obtain an optimal filler combination structure and operating parameters; and finally, outputting and visualizing a result. According to the method, the multi-component competition effect can be accurately quantified, filler proportion optimization modeling is carried out on the basis, the limitation of the prior art can be overcome, and the reliability, economical efficiency and environmental safety of treatment facility design are improved.

The invention relates to the technical field of road engineering, in particular to a municipal road drainage system which comprises a road surface, a buffering and shunting module and a storage and drainage module. Rainwater is guided to gather towards the V-shaped water collecting groove through the water permeable holes in the inclined face of the stainless steel protection inclined plate, large-particle impurities are intercepted, the water flow resistance is reduced through the hydrophobic layer on the inner wall of the V-shaped water collecting groove, rainwater flowing is accelerated, and the water collecting efficiency during rainstorm is improved; the rough filtering layer, the middle filtering layer and the fine filtering layer in the trapezoidal filtering cavity form a multi-stage filtering system, impurities are intercepted, heavy metal ions are adsorbed, fine suspended solids are removed in sequence, the rainwater purification effect is improved, and the trapezoidal section of the trapezoidal filtering cavity with the narrow upper portion and the wide lower portion can enable a water flow path to be gradually enlarged from top to bottom. The method is consistent with the classification filtering concept of coarse filtering-fine filtering in the file, large-particle impurities can be preliminarily precipitated in the top area with the high flow speed, fine particles can be further precipitated in the bottom low-speed area, and the overall precipitation filtering efficiency is improved.

The invention relates to the technical field of electric power metering, in particular to an integrated intelligent electric energy metering box, which comprises a box body, a box door and a rain baffle, the box body is provided with a mounting cavity, the mounting cavity is used for mounting electric appliance elements, the box door is connected to the box body and covers a cavity opening of the mounting cavity, the rain baffle is slidably connected to the upper end of the box body, and the sliding direction of the rain baffle is horizontal. The rain baffle is connected to the upper end of the metering box in a sliding mode, the rain baffle can be pulled to the position above the box door during maintenance, the rain baffle can shield electrical components in the box body, and therefore the possibility that the electrical components are wetted by rainwater is reduced, maintenance personnel can have longer time to maintain the internal electrical components during maintenance, and the maintenance efficiency is improved. And maintenance problems caused by emergency maintenance are avoided.

The invention relates to the technical field of rainstorm water drainage devices, in particular to a rainstorm water drainage device for a UHPC prefabricated thin-wall well, which comprises a well lid, an upper prefabricated well pipe is fixed at the bottom of the well lid, and a lower prefabricated well pipe fixed with a foundation pit is fixed at the bottom of the upper prefabricated well pipe. A drainage pipe connected with an underground water network pipe is further arranged below the lower prefabricated well pipe, and a sewage draining mechanism for shunting or filtering water is arranged in the lower prefabricated well pipe; through cooperation of the sewage discharge mechanism, the separation mechanism, the power mechanism, the crushing fan, the waste push plate, the separation box and other structures, the power mechanism accurately drives the separation mechanism to start by utilizing natural power of rainwater flowing, the crushing fan thoroughly crushes sundries by virtue of strong power of the crushing fan, and then the sundries are pushed by the waste push plate in order, so that the separation efficiency is improved. The thin-wall well is prevented from being blocked by sundries, the drainage efficiency of the thin-wall well is remarkably improved, bacterium breeding is reduced, and peculiar smells are reduced.

The invention relates to a comprehensive distribution box, and relates to the technical field of distribution boxes, the comprehensive distribution box comprises a box body, the vertical side surface of the box body is provided with a mounting cavity and a box door used for blocking the opening of the mounting cavity, and the box body is provided with a plurality of heat dissipation ports; a flow guide cover with an upward opening is fixedly arranged on the inner wall of the heat dissipation opening of the box body, and a protection plate is installed on the inner wall of the box body in the vertical direction. In the application, the flow guide cover can play a role in blocking and guiding rainwater, so that the rainwater flows away along the flow guide cover and is prevented from directly entering the box body, and the protection plate not only can reserve a space for the flow guide cover to ensure normal flow guide and heat dissipation of the flow guide cover, but also can play a certain role in protecting the inner wall of the box body and the flow guide cover; the box body and the box door can be formed by compression molding of a high-performance SMC composite material or formed by machining and welding of a stainless steel material.

The invention relates to the technical field of flood control dispatching, and discloses a reservoir flood control water level dynamic control and flood recycling method and system, and the method comprises the steps: obtaining a surface rainfall forecast value of a reservoir basin based on real-time rainwater condition data and numerical weather forecast; a hydrodynamics and hydrology coupled drainage basin runoff model is driven, and an in-reservoir flood hydrograph in a predicted period is generated; judging the flood scale and grade based on the hydrograph, and when the flood is medium and small flood, calculating the dynamic flood control storage capacity of a downstream flood control object by adopting an equivalent flood control effect algorithm taking into account the pre-discharge scheduling capability; according to the dynamic flood control storage capacity, a dynamic flood control water level control value is obtained through backstepping of a water level-storage capacity relation curve of the reservoir; and finally, generating and executing a reservoir dispatching instruction based on the control value, and storing the water level of the reservoir to not exceed the dynamic value. The problems that a fixed flood control water level method is low in water resource utilization rate and inflexible in dispatching are solved, and flood resource efficient utilization on the premise of flood control safety is achieved.

The utility model relates to the technical field of rainwater collection, in particular to a rainwater collection device of a box-type house, which comprises a box-type house main body, a filtering water tank, a sterilizing water tank and a water storage tank, a water collection plate is arranged at the top of the box-type house main body, and rainwater baffles are arranged on two sides of the water collection plate; a water collecting tank is arranged on the top of one side of the box-type house body, the top of the water collecting tank is an inclined face, and a filter screen is arranged on the inclined face. A water conveying pipe is connected to the lower portion of the water collecting tank and connected with a sand discharging pipe and a first water inlet pipe, a sand discharging valve is arranged on the sand discharging pipe, the first water inlet pipe is connected with the filtering water tank, an overflow pipe is arranged on the upper portion of the first water inlet pipe, and the filtering water tank is connected with the disinfection water tank through a second water inlet pipe. The disinfection water tank is connected with the water storage tank through a third water inlet pipe. According to the device, impurities such as gravel and soil contained in collected rainwater can be effectively removed, and the cleanliness of the collected rainwater is improved.