34results about How to "Reduce risk of waterlogging" patented technology

The invention provides a water storage-type city road isolation belt having ecological purifying function. The water storage-type city road isolation belt comprises a U-shaped water permeable tank, curb bricks, discharge drains, discharge drain cover plates, an ecological purifying case and plants. The U-shaped water permeable tank is arranged below the center ground of the isolation belt, plants are planted in the U-shaped water permeable tank, the curb bricks are arranged at two sides of the upper surface of the U-shaped water permeable tank; the discharge drains are arranged at two sides of the U-shaped water permeable tank; the discharge drain cover plate is arranged at the top of the discharge drain; and ecological purifying case is arranged at one side of the bottom of the discharge drain close to the U-shaped water permeable tank. The apparatus has safety protection function as the common road isolation belts, can effectively degrade the pollutant carried by raining flow on the pavement, reduces the burden of downstream sewage processing, has water storage and soil moisture retention functions, prolonging the plant maintenance period for the road isolation belt, and saves the water used for irrigation. The road isolation belt has the advantages of simple manufacture, low cost, and convenient enforcement, and is suitable for all kinds of the city roads.

The invention discloses an intelligent flat grate type catch basin based on a V-shaped filter structure. The catch basin is connected with a municipal rainwater pipe network. The intelligent flat grate type catch basin comprises four V-shaped filter structures with strainers; the two V-shaped filter structures on the outer side and the two V-shaped filter structures on the inner side are selectively opened and closed, and are driven to open and close by motors and transmission shafts. Compared with the prior art, the catch basin is simple in structure, and integrates the functions of filtering, sewage intercepting, steady seepage and intelligent forecast. Rain sewage intercepting efficiency is increased by optimizing structure design, the multiplying effect of the sewage intercepting quantity of the single catch basin is achieved, the urban inland inundation risk is reduced, cleaning accuracy and efficiency of cleaners are improved, and the catch basin has certain economy.

The invention discloses an urban drainage full-process management and control system comprising a drainage detecting module, a storage module, a wireless communication module, a processing module, a dispatching scheme generating module, a drainage facility terminal module and a display module. The drainage detecting module detects drainage data information of drainage facilities. The storage module pre-stores GIS information of an urban drainage system. The wireless communication module obtains meteorological radar forecast information. The processing module comprises a water balance analysisunit, a facility capacity evaluating unit and an optimizing operation calculating unit. The water balance analysis unit forms a drainage data monitoring report form according to the drainage data information and judging abnormal data. The facility capacity evaluating unit evaluates the work capacity of the drainage facilities. The optimizing operation calculating unit generates a control instruction requirement. The dispatching scheme generating module generates a dispatching instruction. The drainage facility terminal module controls the drainage facilities to execute dispatching. The urban drainage full-process control system can conduct full-process control over the urban drainage system from a pollutions source to a drainage network to a sewage plant to a river.

The invention discloses a permeable pavement based on a sponge city concept. The permeable pavement comprises traffic lanes and pedestrian ways. The traffic lanes comprise a surface layer, a base layer, a filter isolated layer, a permeable cushion and a subgrade from top to bottom in sequence; the pedestrian ways comprise permeable road surface bricks, a permeable cement concrete layer, a macadambase layer, a filter isolated layer and a base layer from top to bottom in sequence, boundaries between the traffic lanes and the pedestrian ways comprise curbs, permeable cement concrete faces and impermeable cement concrete faces from top to bottom in sequence, wherein the lower ends of the curbs extend to the base layer and the macadam base layer, the lower ends of the impermeable cement concrete faces are aligned with the lower end of the filter isolated layer. The permeable pavement based on sponge city concept has the advantages of that the water storage function of the permeable pavement structure is improved, the drainage pressure of municipal pipe network is relieved, occurrence of city water-logging is reduced and hydrological cycle of urban ecology is promoted.

The invention relates to a novel water-permeation road. The novel water-permeation road comprises a road pavement layer, a water-permeation base layer, a subgrade and catchpits, wherein the road pavement layer, the water-permeation base layer and the subgrade are sequentially arranged from top to bottom; the catchpits are respectively arranged at both sides of each of the road pavement layer, thewater-permeation base layer and the subgrade; the two sides of the water-permeation base layer are respectively connected with the catchpits through first water-permeation interfaces; a water drainagepipe is arranged in each catchpit; a second water-permeation interface is arranged at the bottom part of each catchpit. The novel water-permeation road has the advantages that the water seepage and water storage functions are realized, and the risk of waterlogging in city is effectively decreased.

The invention relates to an odor-prevention gutter inlet grate with a filter structure. The odor-prevention gutter inlet grate comprises a well base, a well lid and the filter structure, the well baseis provided with a wellhead and a drainage channel, a water inlet of the drainage channel is formed above the well base, a water outlet of the drainage channel is formed in the side wall of the wellhead, and the well lid covers the wellhead of the base or covers the wellhead of the base and the water inlet of the drainage channel. The filter structure is arranged below the well lid, water flows into the filter structure through the water outlet of the drainage channel, and the filter structure is provided with filter holes communicated with a drainage passage in a roadbed structure. Leaves, branches, garbage or mudstone in rainwater can be intercepted by the filter structure. The odor-prevention gutter inlet grate with the filter structure has advantages that the leaves, the branches, thegarbage or the mudstone in the rainwater can be effectively intercepted by the filter structure, so that workload of sanitation workers is relieved, risks of urban water logging are reduced, and property loss caused by water logging is reduced.

The invention discloses a zero-discharge sponge urban rainwater system. The rainwater system comprises a low-impact development system and a waterlogging prevention and control system; according to the low-impact development system, the rainwater recurrence period standard is selected through technical and economic comparison, rainwater of a land parcel is subjected to source dispersion, permeation, retention and storage through the system design, so that the purposes of organizing the rainwater and controlling the runoff are achieved; and the waterlogging prevention and control system comprises a rainwater overflow facility and a tail end regulation and storage facility, rainwater exceeding the recurrence period standard forms source overflow rainwater, and the source overflow rainwater is drained to the tail end regulation and storage facility through the rainwater overflow facility. According to the rainwater system, a traditional rainwater pipe network is replaced by a grey-green combined sponge facility, so that the construction cost is reduced; and the technical problems that a conventional sponge city is insufficient in runoff total amount control capacity, only medium and light rainfall events with high frequency can be controlled, and rainwater is still drained through a rainwater pipe canal system are solved, and finally zero rainwater drainage is achieved.

The invention discloses an ecological garden landscape permeable road, which comprises a permeable road body, curbs are arranged on both sides of the permeable road body along its length direction, and a water delivery tank is arranged inside each curb along the length direction of the permeable road body. A sump is set at the end of the water tank, and a filter is set at the top of the water delivery tank; the permeable road body includes a permeable asphalt surface layer, a graded crushed stone base, a water storage layer and a rammed earth layer arranged in sequence from top to bottom; the permeable asphalt surface The top surface of the layer is an upwardly convex arc surface, and the two ends of the arc surface are flush with the tops of the curbs. The permeable road of the present invention not only has the functions of water permeability and seepage, but also temporarily stores rainwater, thereby reducing the risk of urban waterlogging. The porosity and water permeability coefficient of the permeable asphalt surface layer used in the preparation of permeable roads in the present invention are significantly higher than those of conventional permeable asphalt surface layers, and the compressive strength is still higher than that of conventional permeable asphalt surface layers, which has good water permeability and significantly improves the service life .

The invention discloses a southwest hilly area grooved slope road rainwater collecting and reutilizing system. A rainwater collecting and reutilizing device is arranged between a drainage ditch and asouthwest hilly area slop road; the rainwater collecting and reutilizing device is composed of a water collecting groove, a filter layer, a sand gravel layer, a plant fence and a water extracting device; the water collecting groove is of a closed cavity structure, and the filter layer, the sand gravel layer and the plant fence are sequentially arranged at the top of the water collecting groove upwards; the water collecting groove and the drainage ditch are arranged in parallel, an overflow hole is formed in the upper portion of the water collecting groove to be communicated with the drainage ditch, and the bottom of the water collecting groove is lower than the bottom of the drainage ditch; the water extracting device comprises a water suction pump, a water extracting pipe and a water outlet pipe, the water suction pump is arranged at one side of the plant fence, the water extracting pipe is connected with a water inlet of the water suction pump, and the water outlet pipe is connectedwith a water outlet of the water suction pump. Rainwater resources can be balanced, rainwater is reutilized, and water, soil and nutrient loss at the southwest hilly area is reduced.

The invention discloses a pavement brick capable of cutting off water at first and then permeating water and a preparation method thereof. The pavement brick comprises a water-storage brick-in porous solid body, a five-side dense impermeable enclosure structure and thorough pipes, wherein the thorough pipe is previously embedded into the water-storage brick-in porous solid body, and the five-side dense impermeable enclosure structure is arranged outside the brick-in porous solid body. Rainwater and surface runoff can enter the brick from the top and are previously stored in the brick-in porous solid body, namely, the pavement brick has a water cutting off function. A plurality of thorough pipes are embedded in the pavement brick from a certain depth to the bottom, pipe walls of the through pipes are impermeable, and a permeable material is arranged in the thorough pipes; when a water level in the brick-in porous solid body exceeds heights of the upper ends of the thorough pipes, water can flow into a base layer and a lower soil layer from insides of the thorough pipes, namely the pavement brick has a permeable function. The water cutting off function of the pavement brick can reduce urban surface runoff and reduce urban inland inundation, and meanwhile moisture cut off in the pavement brick can be evaporated in hot days, reduce road surface sensible heat loss and relieve an urban heat island effect.

The invention discloses a flat roof rainwater regulation and storage device and method. The flat roof rainwater regulation and storage device comprises a regulation and storage pipe section and a connecting pipe section. The regulation and storage pipe section is provided with a plurality of regulation and storage outlets from top to bottom. The connecting pipe section is used for connecting the regulation and storage pipe section and a building roof rainwater down pipe. The pipe diameter of a regulation and storage pipe is larger than that of the building roof rainwater down pipe. An enclosure filtering frame is arranged on the outer periphery of the regulation and storage pipe section. According to the device and method, peak flow can be effectively lowered, city inner inundation can be relieved, initial stage runoff pollution is controlled, combined system overflow pollution is lowered, a city sponge function is improved, and city development sustainability is improved.

The invention provides a construction method of an urban-scale superficial flow rainwater drainage system, and relates to the technical field of urban drainage. The construction method comprises the following steps: establishing a three-dimensional geographic model of a planning area; determining a confluence path of the planning area and forming a plurality of small micro-watershed units according to the confluence path; determining a target water storage amount and a target water discharge amount of the planning area by analyzing hydrological characteristics of the planning area before and after development; constructing a superficial flow rainwater drainage system in each small and micro-watershed unit, wherein the superficial flow rainwater drainage system comprises a site, a municipal road and a river channel green gallery superficial flow drainage system which are connected in sequence; and carrying out analogue simulation analysis on the system, and adjusting the superficial flow rainwater drainage system according to a result until the superficial flow rainwater drainage system reaches a target discharge amount. The method takes the principle of retaining natural hydrological characteristics to the greatest extent, has the advantages of short flow, superficial flow, smooth connection, purification and the like, can effectively reduce the urban waterlogging risk and reduce urban non-point source pollution, and has high feasibility and superiority.

The invention provides a Waterlogging risk prediction method and system. The Waterlogging risk prediction method comprises the following steps: 1, dividing a to-be-planned area into a plurality of runoff cells; 2, simulating surface runoff of each runoff plot under different rainfall conditions of the to-be-planned area through an SCS-CN model; 3, simulating the surface runoff of each runoff plotunder the condition of the designed rainstorm recurrence period of the rainwater pipe duct of the to-be-planned area through an SCS-CN model, and taking the surface runoff as the displaceable water amount of the corresponding runoff plot; 4, calculating the difference between the surface runoff of each runoff plot under different rainfall conditions of the to-be-planned area and the displaceable water volume of each runoff plot under the condition of the designed rainstorm recurrence period of the rainwater pipe duct of the to-be-planned area; and step 5, predicting the waterlogging risk of each runoff plot according to the difference value, and providing a scientific basis for reducing the waterlogging risk and updating a construction plan.

The invention provides an integrated automatic intercepting well and an intercepting method. The integrated automatic intercepting well comprises a well body, a water inlet pipe, a sewage intercepting pipe and an overflow pipe, wherein the water inlet pipe, the sewage intercepting pipe and the overflow pipe are arranged on the well body; the upper end of the well body is detachably connected with a well lid, the lower end of the well body is provided with a base, and the well body, the well lid and the base form a closed intercepting cavity; the intercepting cavity is provided with a basket grating structure, a sewage intercepting valve and an overflow valve; the basket grating structure is located at a pipe opening of the water inlet pipe; the sewage intercepting valve is located at a pipe opening of the sewage intercepting pipe; and the overflow valve is located at a pipe opening of the overflow pipe. According to the integrated automatic intercepting well and the intercepting method, the two valves which are different in structure and are hydraulically controlled are adopted for controlling the flow of the sewage intercepting pipe and the flow of the overflow pipe respectively, automatic adjustment is conducted according to the water level conditions of the valves, and then the effects of efficient sewage intercepting and high-precision sewage intercepting amount control are achieved; and meanwhile, the method is high in integration, simple in structure, convenient to control, stable in cut-off amount and easy to construct.

In cities, an outlet of a common rainwater cover is larger, and a large quantity of leaves, twigs, small stones and paper scraps, a large amount of sludge and the like enter a water drainage pipeline to make one part or all parts of the water drainage pipeline plugged, so water logging occurs. In the design for the sludge deposition nest, rainwater enters the water drainage pipeline through the sludge deposition nest instead of entering the water drainage pipeline directly after the sludge deposition nest deposits partial substances heavier than water and filters other impurities. In the design, a water inlet hole with the aperture of 2 millimeters, a water drainage hole which is inclined downwards 45 degrees and has the aperture of 3 millimeters, a water drainage hole which is inclined upwards 45 degrees and has the aperture of 2 millimeters, and a water seepage hole which is inclined 45 degrees and has the aperture of 1 millimeter.

The invention provides a mountain rain and flood collection and drainage device and a drainage method. The mountain rain and flood collection and drainage device comprises a box culvert, wherein a longitudinal partition plate is arranged in the box culvert and divides the box culvert into a water storage area and a drainage area. The water storage area is internally provided with a plurality of transverse partition plates perpendicular to the longitudinal partition plate, the water storage area is divided into a plurality of water storage units through the transverse partition plates, the bottom of each water storage unit is connected with an inlet of a water storage area drainage pipe, and an outlet of the water storage area drainage pipe is connected with a downstream greening irrigationwater system. The upper portion of the water drainage area communicates with the upper portion of the water storage area, the bottom surface of the drainage area is connected with inlets of a plurality of drainage area drainage pipes, and outlets of the drainage area drainage pipes communicates with an urban rainwater system. The mountain rain and flood collection and drainage device is suitablefor the situation that after mountain rain and flood of urban middle mountains are intercepted, there are no river channels or reservoirs for drainage guide, and the rain and the flood can only be discharged into the urban rainwater system. The device has the comprehensive benefits that the rain and the flood are intercepted and stored for recycling, urban sewage quantity is reduced, and waterlogging risks are reduced.

The invention belongs to the field of urban resources, and relates to a parking system utilizing rainwater. The parking system utilizing rainwater is characterized in that an inner cavity is formed in a shell, a right-angle column is fixedly arranged on the inner cavity, a moving table is arranged in the inner cavity, waterproof rubber is arranged on the upper side of the shell, an air pressure cavity is fixedly formed in the left side of the shell, an air outlet pipe is fixedly arranged at the right end of the air pressure cavity, an electricity storage device is fixedly arranged on the lower left portion of the shell, and a transfer cavity is formed in the lower right portion of the shell. When too much accumulated water exists on the road surface due to heavy rain, the accumulated water is treated through the gravity of a vehicle body, silt on the vehicle body is cleaned away, meanwhile, the cleaned water is drained underground, the accumulated water is secondarily utilized, meanwhile, the burden of an urban drainage system under the heavy rain condition is relieved, and the accumulated water on the outer side of the vehicle is isolated when the vehicle body is on an excessively deep water accumulation road section.

The invention discloses a design for a drain hole of a bridge opening, relating to the field of municipal construction and aiming at solving the problem of blocking a drainage pipeline of the bridge opening. The bridge opening is easy to deposit lots of sundries due to low-lying points, and a rainwater drain hole is generally in a rectangle which is wider to cause leaves, sand, branches, paper scraps, small stone and the like to enter the drainage pipeline to partially and even wholly block the drainage pipeline to cause traffic jam due to waterlogging caused by unsmooth water flow. In the design for the drain hole of the bridge opening, the size of the drain hole is reduced so that large sundries are prevented from entering into the drainage pipeline. The drain hole is slightly higher than the ground so that sundries heavier than water can be deposited better; the drain hole is inclined so that a water outlet is lower than the water level, floating objects being on the water level and entering into the drainage pipeline are reduced, and more sand can be deposited. Due to the design of the drain hole of the bridge opening, the block phenomenon of the drainage pipeline can be effectively reduced, and the waterlogging risk of a city is reduced.

The invention relates to the technical field of pervious concrete bricks, in particular to a cement-free pervious concrete brick which comprises a bottom plate and a frame vertically arranged along the periphery of the bottom plate, an annular supporting cylinder vertically extending upwards is arranged on the bottom plate in the frame, and a panel for blocking an opening in the upper end of the annular supporting cylinder is fixedly arranged at the upper end of the annular supporting cylinder; rainwater and surface runoff can be collected in the pervious concrete block lower than the overflowgroove through the panel, the pervious concrete and the annular supporting cylinder, the phenomenon of road surface water accumulation is avoided, the pressure of urban drainage equipment is reduced,and the risk of urban inland inundation is reduced; meanwhile, in hot days after raining, the stored water can be evaporated, the pavement temperature is reduced, pavement sensible heat emission is reduced, and the urban heat island effect is reduced.

The invention discloses an intelligent flat grate type catch basin based on a V-shaped filter structure. The catch basin is connected with a municipal rainwater pipe network. The intelligent flat grate type catch basin comprises four V-shaped filter structures with strainers; the two V-shaped filter structures on the outer side and the two V-shaped filter structures on the inner side are selectively opened and closed, and are driven to open and close by motors and transmission shafts. Compared with the prior art, the catch basin is simple in structure, and integrates the functions of filtering, sewage intercepting, steady seepage and intelligent forecast. Rain sewage intercepting efficiency is increased by optimizing structure design, the multiplying effect of the sewage intercepting quantity of the single catch basin is achieved, the urban inland inundation risk is reduced, cleaning accuracy and efficiency of cleaners are improved, and the catch basin has certain economy.

The invention discloses a water storage system using supporting pipe piles and a construction method thereof. The water storage system includes a water storage well, a water pump arranged in the water storage well, and a pipe pile poured on the top of the pipe pile. The crown beam, the pre-embedded pipe and siphon corresponding to each pipe pile, the pipe pile is the support pipe pile used in the enclosure structure, a part of the pre-embedded pipe is buried in the crown beam, the pre-embedded One end of the buried pipe is connected to the rainwater pipe network, and the other end extends from the end of the pipe pile into the hollow cavity of the pipe pile. The siphon pipe includes several water inlet branches and a main pipe connected to each water inlet branch pipe. The water inlet branch pipe Extending into the corresponding hollow cavity, the main pipe has a water outlet extending into the bottom of the water storage well, and the height of the water outlet is lower than the water inlet of each water inlet branch pipe. The invention utilizes the pipe piles to increase the water storage capacity, and can automatically concentrate the water in the pipe piles into the water storage wells, which is energy-saving and environment-friendly.

The invention relates to the technical field of rainwater treatment, in particular to a built-in environment-friendly rainwater filtering structure. The built-in environment-friendly rainwater filtering structure comprises a rainwater collecting device, a sewage intercepting basket device arranged below the rainwater collecting device, and a filtering overflow device arranged below the sewage intercepting basket device; the rainwater collecting device is used for collecting rainwater; the sewage intercepting basket device comprises a hollow first support and a first filtering part arranged atthe top or the bottom of the first support, and the first filtering part is used for filtering the rainwater flowing out from the rainwater collecting device; and the filtering overflow device comprises a hollow second support and a second filtering part arranged at the top or the bottom of the second support, the second filtering part is located below the first filtering part correspondingly, andthe second filtering part is used for filtering and draining the rainwater flowing out from the first filtering part. According to the built-in environment-friendly rainwater filtering structure, therainwater can be secondarily filtered, thus pollution is reduced, the water can further be effectively drained, and the possibility of waterlogging is lowered.

The invention discloses a pavement brick capable of cutting off water at first and then permeating water and a preparation method thereof. The pavement brick comprises a water-storage brick-in porous solid body, a five-side dense impermeable enclosure structure and thorough pipes, wherein the thorough pipe is previously embedded into the water-storage brick-in porous solid body, and the five-side dense impermeable enclosure structure is arranged outside the brick-in porous solid body. Rainwater and surface runoff can enter the brick from the top and are previously stored in the brick-in porous solid body, namely, the pavement brick has a water cutting off function. A plurality of thorough pipes are embedded in the pavement brick from a certain depth to the bottom, pipe walls of the through pipes are impermeable, and a permeable material is arranged in the thorough pipes; when a water level in the brick-in porous solid body exceeds heights of the upper ends of the thorough pipes, water can flow into a base layer and a lower soil layer from insides of the thorough pipes, namely the pavement brick has a permeable function. The water cutting off function of the pavement brick can reduce urban surface runoff and reduce urban inland inundation, and meanwhile moisture cut off in the pavement brick can be evaporated in hot days, reduce road surface sensible heat loss and relieve an urban heat island effect.

The invention discloses a rainwater collecting and recycling system for a slope road with a ditch in a southwest hilly area. A rainwater collecting and recycling device is arranged between the slope road and a drainage ditch in the southwest hilly area, the rainwater collecting and recycling device is composed of a water collecting tank, a filtering layer, a gravel layer, a hedgerow and a water pumping device, the water collecting tank is of a closed cavity body structure, the top of the water collecting tank is sequentially provided with the filtering layer, the gravel layer and the hedgerow upwards, the water collecting tank and the drainage ditch are arranged in parallel, the upper part of the water collecting tank is provided with an overflow hole which communicates with the drainage ditch, the bottom position of the water collecting tank is lower than the bottom position of the drainage ditch, the water pumping device comprises a water suction pump, a water pumping pipe and a water outlet pipe, the water suction pump is arranged on one side of the hedgerow, the water pumping pipe is connected with a water inlet of the water suction pump, and a water outlet pipe is connected with a water outlet of the water suction pump. According to the rainwater collecting and recycling system, rainwater resources can be balanced, recycling of rainwater is realized, and loss of water, soil and nutrients in southwest hilly area is reduced.

The invention provides a water storage-type city road isolation belt having ecological purifying function. The water storage-type city road isolation belt comprises a U-shaped water permeable tank, curb bricks, discharge drains, discharge drain cover plates, an ecological purifying case and plants. The U-shaped water permeable tank is arranged below the center ground of the isolation belt, plants are planted in the U-shaped water permeable tank, the curb bricks are arranged at two sides of the upper surface of the U-shaped water permeable tank; the discharge drains are arranged at two sides of the U-shaped water permeable tank; the discharge drain cover plate is arranged at the top of the discharge drain; and ecological purifying case is arranged at one side of the bottom of the discharge drain close to the U-shaped water permeable tank. The apparatus has safety protection function as the common road isolation belts, can effectively degrade the pollutant carried by raining flow on the pavement, reduces the burden of downstream sewage processing, has water storage and soil moisture retention functions, prolonging the plant maintenance period for the road isolation belt, and saves the water used for irrigation. The road isolation belt has the advantages of simple manufacture, low cost, and convenient enforcement, and is suitable for all kinds of the city roads.

The invention relates to the technical field of floor drainage, and discloses a drainage device for a multi-layer environment-friendly permeable floor, including a ground surface, the upper end of the ground surface is fixedly connected with a planting frame to the left, the inside of the planting frame is filled with soil, and the upper end of the ground surface A rectangular groove is provided, a baffle plate is fixedly connected to the upper end inside the ground surface, a square hole is arranged at the lower end of the baffle plate, a fixed cylinder is fixedly inserted in the middle of the upper end of the baffle plate, and a pressure plate is movably socketed on the outside of the fixed cylinder. After each rain, the rainwater flows through the floor layer to the upper end of the filter layer. The rainwater is filtered under the action of the filter layer and then flows to the upper end of the baffle through the leak hole, and then the rainwater flows to the interior of the ground through the square hole for storage. The height of the rainwater inside the surface reaches the opening at the right end of the drain. At this time, the excess rainwater inside the surface is discharged through the drain, so as to effectively absorb road rainwater, effectively replenish groundwater, maintain the balance of the urban natural water system, and reduce the risk of urban waterlogging. Effect.

The invention discloses an urban drainage full-process management and control system comprising a drainage detecting module, a storage module, a wireless communication module, a processing module, a dispatching scheme generating module, a drainage facility terminal module and a display module. The drainage detecting module detects drainage data information of drainage facilities. The storage module pre-stores GIS information of an urban drainage system. The wireless communication module obtains meteorological radar forecast information. The processing module comprises a water balance analysisunit, a facility capacity evaluating unit and an optimizing operation calculating unit. The water balance analysis unit forms a drainage data monitoring report form according to the drainage data information and judging abnormal data. The facility capacity evaluating unit evaluates the work capacity of the drainage facilities. The optimizing operation calculating unit generates a control instruction requirement. The dispatching scheme generating module generates a dispatching instruction. The drainage facility terminal module controls the drainage facilities to execute dispatching. The urban drainage full-process control system can conduct full-process control over the urban drainage system from a pollutions source to a drainage network to a sewage plant to a river.

The invention discloses a design for a drain hole of a bridge opening, relating to the field of municipal construction and aiming at solving the problem of blocking a drainage pipeline of the bridge opening. The bridge opening is easy to deposit lots of sundries due to low-lying points, and a rainwater drain hole is generally in a rectangle which is wider to cause leaves, sand, branches, paper scraps, small stone and the like to enter the drainage pipeline to partially and even wholly block the drainage pipeline to cause traffic jam due to waterlogging caused by unsmooth water flow. In the design for the drain hole of the bridge opening, the size of the drain hole is reduced so that large sundries are prevented from entering into the drainage pipeline. The drain hole is slightly higher than the ground so that sundries heavier than water can be deposited better; the drain hole is inclined so that a water outlet is lower than the water level, floating objects being on the water level and entering into the drainage pipeline are reduced, and more sand can be deposited. Due to the design of the drain hole of the bridge opening, the block phenomenon of the drainage pipeline can be effectively reduced, and the waterlogging risk of a city is reduced.