17 results about "Bioretention" patented technology

1. Name of the product in this design: Tubular bioretention facility. 2. Purpose of this design: For the collection, purification, and slow discharge of runoff rainwater. 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 relates to the field of municipal construction, in particular to a stepped bioretention belt based on terrain adaptation, which comprises a bioretention belt body, the section of the bioretention belt body is provided with a water storage layer / water retaining weir, a planting layer, a sand filter layer and a gravel layer from top to bottom, and a permeable blind pipe is arranged in the gravel layer. Uniform water distribution is achieved through a plurality of water holding areas distributed in a stepped mode, rainwater entering the water holding areas is collected through natural infiltration in a pebble bed or a permeable blind pipe, the rainwater exceeding the infiltration capacity is continuously accumulated in the water holding areas, and when the water storage height exceeds the crest height of a water retaining weir, the rainwater overflows to the next water holding area. According to the stepped bioretention belt, initial rainwater runoff pollution can be reduced, the rainwater runoff peak value can be reduced, the runoff yield can be reduced, and the problems of runoff flushing, uneven permeation and the like can be avoided.

This invention belongs to the field of rainwater treatment technology and relates to a multifunctional bioretention tank for enhanced nitrogen and phosphorus removal. The tank comprises, from top to bottom, a water accumulation layer, a covering layer, a planting layer, a media layer, a submerged layer, and a drainage layer. The drainage layer is equipped with a drainage pipe, the outlet of which is flush with the top of the submerged layer. The submerged layer contains layered modified wood chips and iron filings. The modified wood chips are obtained by grafting functional copolymers onto the wood chips, with the amount of the functional copolymers being 6-10 wt% of the wood chips. The functional copolymers are obtained through copolymerization of pyridine-containing acrylic monomers and double-bonded acyl halide monomers at a molar ratio of 1:(0.1-0.3). This invention, through wood chip modification and improved filling structure, layers modified wood chips and iron filings in the submerged layer of the bioretention tank, thereby enhancing the nitrogen and phosphorus removal effect and significantly improving the removal efficiency of heavy metal pollutants.

The invention provides a rainwater bioretention facility capable of removing halogenated benzene pollutants, and belongs to the technical field of water treatment.The rainwater bioretention facility comprises a plurality of treatment units which are arranged in a stepped mode and each comprise a pond body, a planting filler layer, a dissolved oxygen adsorption filler layer, a dechlorination filler layer and a first gravel layer, and the planting filler layers, the dissolved oxygen adsorption filler layers, the dechlorination filler layers and the first gravel layers are sequentially arranged in the pond bodies from top to bottom; a water outlet is formed in the lower part of the rear side of the tank body of the lowest treatment unit, and L-shaped pipes arranged at the lower parts of the tank bodies of the rest treatment units are connected with the next-stage treatment unit; except the first-stage treatment unit, transparent step-shaped stop blocks and splash plates are arranged above the planting filler layers of the other treatment units at intervals; and a plurality of herbaceous plants are planted on the planting filler layer. The bioretention facility can effectively remove toxic halogenated benzene series pollutants in rainwater, avoid the toxic action of the halogenated benzene series pollutants on nitrification and denitrification microorganisms, guarantee the efficient denitrification efficiency of the bioretention facility, effectively intercept particulate matters in the rainwater, avoid filler blockage and prolong the service life.

An assembled bioretention pond with nitrogen and phosphorus removal functions includes: a water collecting tank and a plurality of modules. Each module includes an anaerobic chamber and an aerobic chamber, a substrate in the anaerobic chamber is the same as that of the aerobic chamber, including a gravel distribution layer, a planting layer, a pyrite layer, a transition layer, and a gravel layer in sequence from top to bottom, and a ventilation pipe is vertically provided in the aerobic chamber and extends to the gravel layer, a water drainage pipe is mounted on a top of one side of the anaerobic chamber, a main pipe is mounted on a top of one side of the aerobic chamber and connected to a municipal stormwater pipe, a plurality of auxiliary pipes are arranged in the water collecting tank. This solution improves the ability to remove nitrogen and phosphorus pollutants from stormwater.

The utility model relates to an assembly type biological detention pond which comprises a pond body, an overflow well, a footstone groove and a decorative plate, the pond body is made of metal, and a percolation layer is laid at the bottom of the pond body and is made of glass pumice; a protective layer is laid above the percolation layer; the lower section of the overflow well is buried in the percolation layer, and the upper end of the overflow well protrudes out of the protection layer; connecting pipes are arranged at the lower ends of the overflow wells. Through the standardized and modularized pool body and footstone groove structure, the rapid assembly can be carried out, the construction quality is high, the period is short, the pollution is small, and the comprehensive benefit is high; compared with the prior art, the tank body made of stainless steel is higher in durability and long in service life; the percolation layer adopts glass pumice to replace a gravel layer and a soil filler layer, so that the construction operation is more convenient, the permeability of the percolation layer is better, and the runoff control rate is higher; the decorative plates are used for replacing green plants, maintenance cost is low, and ornamental value is higher. Compared with a traditional bioretention pond, the bioretention pond has more advantages in the aspect of safety.

The utility model discloses a novel automatic water quality monitoring device for a bioretention zone, and relates to the field of water quality monitoring devices. The system comprises an overflow well, water quality detection modules and an Internet of Things terminal, the overflow well is arranged on the low side of the bioretention zone, a water outlet is formed in the lower end of the overflow well, a water outlet pipe is arranged at the water outlet, and the two water quality detection modules are arranged on the high side of the bioretention zone and the water outlet of the overflow well respectively. The two groups of water quality detection modules are both connected to the Internet of Things terminal, and the Internet of Things terminal is connected to the far-end monitoring system through a wireless network. According to the technical scheme, automation and real-time performance of rainwater quality monitoring before and after treatment of the bioretention zone are achieved, possibility is provided for timely knowing and evaluating the purification effect of the bioretention zone, the operation complexity of water quality monitoring is reduced, the frequency and cost of manual monitoring are reduced, the operation and maintenance cost is reduced, and the monitoring efficiency is greatly improved.

This invention provides a non-powered soil aeration system for bioretention facilities. The system includes a water storage module and an aeration module, which are interconnected and disposed within the soil layer. The water storage module is connected to the soil layer to receive rainwater and provide aeration. A drain outlet that can be selectively opened and closed is provided on one side of the aeration module. The drain outlet allows rainwater to drain from the aeration module and allows outside air to enter both the aeration module and the water storage module. A lifting support unit and a gate control unit are also provided. The lifting support unit selectively provides support to the gate control unit based on changes in the liquid level within the aeration module, and the gate control unit controls the opening and closing of the drain outlet based on changes in the liquid level within the aeration module. By modularly combining the water storage module and the aeration module, only a single or a small number of aeration modules are required to achieve uniform aeration under the soil of the regional green space facility, reducing costs.

The utility model relates to the technical field of bioretention belts, in particular to a sponge city municipal road bioretention belt which comprises a road, a water storage pool is arranged in the road, a green belt is fixedly connected to one side of the road, three ecological tree pools are arranged in the green belt, and the three ecological tree pools are fixedly connected to one side of the road. An overflow port is formed in each ecological tree pool, an adjusting drainage pipeline is fixedly connected to the interior of the road, and six drainage pipes are fixedly connected to the outer surface of the adjusting drainage pipeline. The ecological tree pool has the advantages that the water level of the ecological tree pool and the water storage pool can be conveniently adjusted, excessive water in the water storage pool is discharged through the sewer line, water pressure in the ecological tree pool and the water storage pool can be prevented from being too large, the service life of roads and green belts can be prolonged, and the number of times of municipal water replenishing for irrigation of the green belts can be conveniently reduced; and cyclic utilization of water resources is facilitated, and the green belt is maintained while the water resources are saved.

The utility model relates to a controllable bioretention system. The utility model is suitable for the technical field of rainwater purification. According to the technical scheme, a water collecting tank is used for collecting rainwater; the water inlet end of the water distribution assembly is connected to the output end of the water collection tank, and the water distribution assembly is provided with a plurality of water outlet ends; the purification assembly is internally provided with a plurality of filtering functional areas, the filtering functional areas are correspondingly communicated with the water outlet ends respectively, and the filtering functional areas at least can conduct coarse filtering, fine filtering and drainage on the rainwater in sequence in the rainwater flowing direction; the water outlet tank is connected to the output end of the purification assembly and used for storing clean water obtained by purifying the rainwater through the purification assembly; the detection assembly is arranged in the water collecting tank and used for obtaining turbidity information and first water quality information of rainwater in the water collecting tank; and the control assembly is in communication connection with the water distribution assembly and the detection assembly, and the control assembly can send the rainwater in the water collection tank into the purification assembly through the corresponding water outlet end based on the water quality interval where the rainwater is located so as to adjust the filtering function area where the rainwater needs to flow through.

A stormwater bioretention facility, including a pool body. The pool body includes an overflow layer, a cover layer, a filtration layer, an upper drainage layer, a biochar layer, a submerged layer, and a lower drainage layer from top to bottom. An upper drainage pipe is disposed in the upper drainage layer; a lower drainage pipe is disposed in the lower drainage layer. The upper drainage pipe and the lower drainage pipe include side walls including a plurality of inlet holes. The lower drainage pipe includes a water outlet raised to be level with the top surface of the submerged layer, and the submerged layer is filled with iron shavings and quartz sand material. The pool body further includes an overflow well having an opening covered by a manhole cover. The water outlets of the upper drainage pipe and the lower drainage pipe are connected to the overflow well.

A method for optimizing a structural design of a bioretention facility taking carbon emissions into consideration. A multi-objective evaluation system for a bioretention facility is constructed to perform comprehensive evaluation on a runoff control capability, carbon emissions during construction and operation, and construction investment costs; and an NSGA-II multi-objective intelligent optimization algorithm is used to optimize a structural design of the facility. The specific steps comprise: establishing a HYDRUS-1D model to calculate a runoff control capability; constructing a carbon emission accounting model to account for carbon emissions of a facility during material production, transportation, construction, and operation and maintenance; establishing an investment cost calculation method; and finally, by means of an optimization algorithm, obtaining structural design schemes having different preferences. The method can effectively balance a runoff regulation effect, carbon emissions and investment costs, can provide an optimal design scheme of a bioretention facility, and conforms to the concept of green and low-carbon development, thereby facilitating the improvement of the quality of an urban ecological environment, the deceleration of climate change and the protection of water resources.

The application discloses a biological retention device for synchronously removing new pollutants and nitrogen pollutants in rainwater runoff, and relates to the technical field of water environment treatment. The biological retention device comprises a pool body, six functional units are vertically constructed in the pool body from top to bottom, and the six functional units are overflow layer, protection layer, seepage layer, submerged layer, transition layer and drainage layer in sequence. The seepage layer is provided with a top drainage system, the drainage layer is provided with a bottom drainage system, and the top of the multifunctional overflow device is kept at a safe superheight from the top plate of the device. The seepage control layer is provided with a hydraulic linkage control system, and the intelligent opening and closing of the top drainage opening is realized through a sensing device. The modified substrate loaded with δ-MnO2 is filled in the functional units, the rich Mn element valence state (+2, +3 and +4) of the δ-MnO2 strengthens the removal of the new pollutants and the nitrogen pollutants, simultaneously forms the manganese oxidation-reduction cycle, guarantees the cyclic supply of the manganese element in the system, and does not need to be regularly supplemented with fillers.

The invention discloses a biological detention pond hydrological performance evaluation method which comprises the following steps: simulating a biological detention pond through an organic glass column according to a plurality of vertical layered structures; simulating the movement process of water in the bioretention pond, and constructing a target numerical model; presetting a plurality of climate and rainfall coupling scenes; simulating the operation condition of the bioretention pond in a preset state through the target numerical model according to a climate and rainfall coupling scene to obtain hydrological performance index data; analyzing the hydrological performance index data to obtain a rainfall failure threshold value of the bioretention pond; and according to the bioretention pond and the rainfall failure threshold, guiding design, operation and maintenance of the field bioretention pond and starting of auxiliary drainage measures. The hydrological performance evaluation accuracy of the bioretention pond can be improved, and the method can be widely applied to the technical field of bioretention pond simulation.

A stormwater bioretention facility, including a pool body. The pool body includes an overflow layer, a cover layer, a filtration layer, an upper drainage layer, a biochar layer, a submerged layer, and a lower drainage layer from top to bottom. An upper drainage pipe is disposed in the upper drainage layer; a lower drainage pipe is disposed in the lower drainage layer. The upper drainage pipe and the lower drainage pipe include side walls including a plurality of inlet holes. The lower drainage pipe includes a water outlet raised to be level with the top surface of the submerged layer, and the submerged layer is filled with iron shavings and quartz sand material. The pool body further includes an overflow well having an opening covered by a manhole cover. The water outlets of the upper drainage pipe and the lower drainage pipe are connected to the overflow well.

1. Name of the product in this design: Tubular bioretention facility. 2. Purpose of this design: For the collection, purification, and slow discharge of runoff rainwater. 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.

A bioretention pond integrating collection-filtration-purification functions and an application thereof are provided. The environment-adaptive bioretention pond integrating collection-filtration-purification functions sequentially includes, from top to bottom, an embedded composite microbial purification layer, a clay adsorption layer, a packing layer, and a gravel drainage layer. According to the unique design of the layers in the bioretention pond, the optimization of structure and function not only solves the problems of conventional systems in treatment efficiency, maintenance cost, environmental adaptability and sustainability, but also improves the overall performance and environmental friendliness of the system, and adapts to the environmental requirements of modern cities and industrial development on efficient water treatment technology.