14 results about "Storm drain" patented technology

An automatic retractable screen device is mountable within the interior cavity of a storm vault and adjacent to a vault opening formed in the side wall through which stormwater flows and into the interior cavity. The automatic retractable screen device includes a mounting assembly for mounting the automatic retractable screen device to the side wall of the storm vault, a pivotable screen positionable to be in alignment with the vault opening of the storm vault, structure affixed to the mounting assembly and the screen and configured to allow the screen to pivot on the mounting assembly between a closed position and an open position, and a magnetic release mechanism operatively coupled to the screen. The magnetic release mechanism holds the screen in the closed position to block debris carried by the stormwater from entering the vault opening until the force of the stormwater exerted on the screen exceeds a predetermined value at which point the screen is released to pivot to the open position.

This invention discloses a storm drain device for non-motorized vehicle lanes, relating to the field of municipal engineering technology. It aims to solve the problems of limited drainage area, easy blockage by lightweight debris, high maintenance and cleaning difficulties, and high maintenance costs associated with commonly used combined storm drains in existing technologies. The technical solution adopted is that the storm drain grate is connected to the storm drain well. The storm drain grate includes a main drainage grate, an auxiliary drainage grate, and a sludge removal grate. The main drainage grate, auxiliary drainage grate, and sludge removal grate correspond to the positions of the non-motorized vehicle lane surface, the curb, and the sidewalk, respectively. Through a multi-outlet water collection design, the total drainage area of ​​a single set of storm drains is significantly expanded, accelerating the stormwater runoff speed on the non-motorized vehicle lane surface and reducing water accumulation at the source. Furthermore, the height of the auxiliary drainage outlet matches the curb, and the spacing is consistent with the main drainage outlet, complying with municipal road construction specifications and requiring no changes to the original road foundation structure.

The present invention discloses a method, device, equipment, storage medium and product for determining the urban water surface ratio. The method includes parameterizing rivers, roads and plots in a target area according to the road network density and the number density of rainwater discharge outlets per unit river length to obtain the basic parameters of the water surface ratio calculation model; determining the target value of the effective service radius of the river according to the average elevation of the road and the river control water level; calculating the target value of the river width according to the target value of the effective service radius of the river and the river length; and determining the target water surface ratio of the target area according to the target value of the river width and the target value of the effective service radius of the river. It can integrate municipal drainage and water conservancy waterlogging drainage. The water surface ratio calculation process takes into account factors such as vertical elevation, effective service radius of the river, and river control water level, and takes into account the balance of the river network distribution, making the water surface ratio calculation result more scientific and reasonable, and providing a scientific basis for urban planning and construction and water safety governance.

A storm water capture and filtration system may secure in a catch basin or other area subject to flows of water from streets, channels, and the like as a result of run off from storms. A filter system may include a capture portion including attachment mechanisms, a funnel, various supports, and a filter hanger designed and calculated to capture all water entering a storm water inlet and directing it toward a bag filter. A gap is provided between a funnel and filter hanger in order to provide accommodation for overflow, while an anti-backflow skirt on the filter bag resists flushing of captured pollution out of the bag in overflow condition.

This invention relates to a prediction method for reducing the cumulative rainwater volume of storm drains using sponge city infrastructure based on SWMM (Sponge Modeling). The method includes the following steps: constructing a hydraulic model of the stormwater pipe network for the target area using SWMM software, and generalizing the target area according to topographical features; selecting an infiltration model and a calculation model, simulating the model using a Chicago rain gauge, and verifying the results using local rainfall data; analyzing pipe flow rate and node water depth to obtain the relationship curve between storm drain node water depth and time; obtaining the cumulative rainwater volume of the storm drain over a period of time based on the relationship curve; then, using the same method, simulating and predicting the cumulative rainwater volume of the storm drain after the installation of sponge city infrastructure over a period of time; finally, calculating the difference in cumulative rainwater volume between the two scenarios to characterize the amount of rainwater reduced by the sponge city infrastructure. This prediction method effectively solves the problems of complex calculation processes, low accuracy, and inaccurate calculation results of rainwater retention by sponge city infrastructure in existing methods for calculating cumulative rainwater volume of storm drains.

The present disclosure is for radar detection of in-surface objects for autonomous and semi-autonomous systems and applications. In examples, in-surface objects can be classified based on their RADAR signatures. Ground truth data can be generated using cross-modal sensor fusion to identify objects detected from RADAR data but not detected from corresponding LiDAR data or image data. One or more classes can be used to represent these in-surface objects; respective ground truth annotations can be generated and used to train a machine learning model to explicitly detect in-surface objects from their RADAR signatures such that detected in-surface objects (e.g., manhole covers, railroad tracks, storm drain grates, etc.) can be safely ignored. As such, the machine learning model can be deployed and used to detect and ignore in-surface objects, flag them as drivable space, and / or provide representations of these detections to one or more downstream components (e.g., a control stack of a self-machine) to enable safe and comfortable planning and control of the self-machine.

This disclosure describes techniques for using radar cross-section (RCS) data to classify objects detected by autonomous vehicles within driving environments. In some examples, the variance of the RCS data associated with an object may be evaluated to determine signal interference caused by multipath fading. The variance of the RCS data may be used to classify the object and to determine whether the autonomous vehicle can safely drive over the object. For instance, objects such as manhole covers, storm drains, and expansion joints may provide a significant radar signal, but low RCS variance indicating that they can be driven over by the vehicle. Based on the classification of the object, the autonomous vehicle may determine a trajectory around the object or directly over the object.

A method of manufacturing a storm drain marker. The marker is constructed of a stainless steel plate with a front surface centrally disposed depression and a back surface that is recessed. The front surface is coated with a porcelain frit, and overlaid with a ceramic printed decal which is fused with the porcelain frit coating. The shaped plate forming an informational marker that can withstand long term exposure to the elements.

An environmentally-friendly and sustainable porous solid surface-water drainage material with high recycled waste content and excellent water infiltration rate is provided. A first phase of recycled particulate materials is bound by a second hybrid geopolymer / OPC phase to create a material having a porosity of 10-25 percent, a water filtration rate of at least 18,000 mm / hr, a 28-day compressive strength of at least 10 MPa, and a density of less than 1,850 kg / m3. The porous solid surface-water drainage material may be used for high drainage regions such as solid surface storm drains and other infrastructures that permit passage of water while preventing access to standing water by mosquitoes and other insects, thereby preventing insect-borne disease transmission. The material can be dyed and shaped for a variety of infrastructure applications, resulting in improving road and pavement safety.

The utility model relates to the technical field of riverway water treatment, in particular to a comprehensive ecological interception system strengthening device which comprises gutter inlet ecological retention belts, an ecological interception net and a riverway opening ecological interception strengthening system material group. The ecological blocking nets are arranged between the water surface of the river channel and the bottom of the river channel for transverse blocking, the multiple ecological blocking nets are arranged on the corresponding river channel, and the river channel mouth ecological blocking strengthening system material set is arranged at the confluence position of the branch river channel and the main river channel. The method has the advantages of wide application, good effect, cost saving and the like.

A rain gauge is disclosed and includes a collection cylinder and a rain gauge head. The rain gauge head includes an intake opening and a vane tail, with the vane tail redirecting the intake opening to face oncoming wind and rain so that the intake opening collects oncoming rain. The rain gauge head includes a rainwater discharge to deposit rainwater within the collection cylinder. The rainwater discharge may be rotatably fastened to the collection cylinder so that the rain gauge head is free to rotate around a vertical axis for 360 degrees. Alternatively, the rain gauge head and collection cylinder may rotate in unison. An air exhaust port and air pressure relief valve may be formed in either of the rain head gauge or collection cylinder to release air trapped within the rain gauge. Airfoils may be placed on the collection cylinder to better redirect the rain gauge.

1. Name of this design product: Detachable storm drain warning sign. 2. Purpose of this design: for urban drainage and to alert pedestrians and vehicles to the location of manholes, preventing accidental falls and traffic accidents. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The utility model discloses an enhanced pretreatment structure for a rainwater discharge outlet of a port bulk cargo storage yard. The enhanced pretreatment structure comprises a filter screen box and a mounting bracket, 2-3 filtering layers are arranged in the filtering net box, and a net-shaped partition plate is arranged between every two filtering layers; from top to bottom, the voidage among the filter materials in each filter layer is gradually reduced; the supporting groove is fixed to the vertical side wall where a wharf front edge discharging opening is located, and the supporting groove is located below the discharging opening. The filter screen box is arranged on the surface of the bracket; and the upstream face of the bracket is a vertical baffle to form a groove shape. The utility model has the technical effects and advantages that: 1, various pollutants in the bulk cargo storage yard in the harbor district can be effectively removed, and the removal efficiency of main pollutants in the rainwater in the early stage is high; 2, the floor area is small, the outflow capacity is strong, the concealment is good, and the basic functions of flood control and drainage of the rainwater pipe network can be effectively ensured; and 3, no power consumption is consumed in operation, so that the comprehensive engineering investment is less, the operation cost is low, the system has strong water quality impact load resistance, the operation is simple, and the maintenance is easy.

A system for monitoring the conditions of a plurality of storm drains, comprising the steps of installing scannable codes at or near storm drains, using computerized devices with scanning capabilities to scan said codes, processing the scanned code through a computer application in computerized devices and processing user's added information describing the conditions of said storm drains, uploading the scanned code along with the user's added information to a server through a computer network computer application in said computerized device and processing the scanned code to match the information stored in said server and storing information and making it available to user via different output media. Processing the information to anticipate the needs of the storm drains.