30 results about "Rain garden" patented technology

The invention relates to a water-harvesting type roof rainwater garden. The water-harvesting type roof rainwater garden comprises an outdoor greening system and a rainwater circulating system, wherein the outdoor greening system comprises a roof vegetation layer, a sandy soil layer, a grit layer, a geotechnical cloth layer, a crushed stone cushion layer, a gravel layer, a barrier layer, a secondary filter layer and a rammed earth layer from top to bottom; the rainwater circulating system comprises a water storage tank, a water purifier, a water pump, a first electromagnetic valve, a second electromagnetic valve, a third electromagnetic valve, a soil humidity sensor, a first pipeline, a second pipeline, a third pipeline, a fourth pipeline and a PLC (programmable logic controller). According to the water-harvesting type roof rainwater garden, the problem about drainage and filtration of rainwater are solved, a graceful landscape environment space is created, and the rainwater is collected, purified and recycled perfectly.

The invention discloses a functional rainwater garden suitable for the interior of an urban community grassy area in Shanghai. The functional rainwater garden suitable for the interior of urban community grassy area in Shanghai comprises pretreatment facilities, a water storage layer, water seepage facilities and an overflow facilities, wherein the pretreatment facilities comprise a ring-shaped side slope and gravels; the ring-shaped side slope is positioned on the periphery of the functional rainwater garden; the gravels are covered on the ring-shaped side slope; the water storage layer is a space formed by the ring-shaped side slope and the bottom of the functional rainwater garden in a horizontally encircling manner; the water seepage facilities are positioned at the bottom of the functional rainwater garden; the overflow facilities comprise an overflow pipe penetrating through the thickness direction of the water storage layer and an overflow drain pipe positioned at the bottom of the functional rainwater garden. The functional rainwater garden suitable for the interior of urban community grassy area in Shanghai provided by the invention can decrease the rainfall runoff peak value, purify water quality, supplement groundwater, reduce pressure on municipal water draining, improve microclimate and lift the livable degree of Shanghai.

The invention discloses a rainwater garden system for community rainwater diversion, peak shaving and ecological purification, comprising community roof rainwater flow-through facilities, inverted U-shaped buffer diversion pipes, green space rainwater garden facilities and rainwater wells; the community roof rainwater The flow-through facility is connected with the green space rain garden facility in two ways, one way is directly connected with the green space rain garden facility, and the other way is through the inverted U-shaped buffer diversion pipe and the green space rain garden facility. The facility is connected; the green space rain garden facility is also connected with the rainwater well. The inverted U-shaped buffer diversion pipe and the green space rain garden facilities from the ground down include the water storage layer, covering layer, planting layer, transition layer, filling layer, drainage layer and supporting pipelines so that the rain garden system has the initial stage of treatment. The role of diversion, peak shaving and purification regulation of rainwater runoff.

The invention discloses a sponge city soft soil foundation rainwater garden and a construction method, which belong to the field of sponge city construction and include a soft soil foundation and a rainwater garden. Filtration layer, fine sand cushion, silt soil and green landscape, mainly set up geogrids on the soft soil foundation and the structural slope of the rain garden, thus avoiding the overall settlement of the rain garden caused by the seepage of rainwater or Local uneven settlement effectively ensures the stability of the overall structure such as gravel cushion and fine sand cushion, and ensures the use function of the rain garden. Therefore, the present invention is a rain garden structure with the advantages of simple structure, convenient construction, short construction period, low cost, safety and reliability, and beautiful environment. Combined with corresponding construction methods, it has high economic and social benefits.

This application relates to a rain garden system for community rainwater diversion, peak shaving and ecological purification, which belongs to the technical field of rain gardens, and includes green belt slopes and stagnation belts. The belt extends along the width direction of the slope of the green belt, and the stagnation belt is an arc-shaped structure with a high middle and low ends. The application has the effect of reducing the erosion of rainwater on the green belt soil.

The present invention relates to the technical field of sponge city, in particular to a rainwater garden-based rainwater recovery, purification and drainage system, including a water collection and filtration device, a flow discarding device connected to the water outlet of the water collection and filtration device through a pipeline, a water purification system and a water storage Pool; the outlet pipe of the waste flow device is connected with the municipal rainwater waste flow pipe, and the water collection and filtration settings include: the downpipe, which is located on the inside of the ground, and the output end is connected to the drainage pipe; the top cover is detachably connected with the downwater pipe; the filter mechanism, It is arranged inside the downpipe; and the dredging recovery mechanism is arranged outside the downpipe; wherein, the dredging and recovery mechanism includes: a connection box; a dredging component; a driving component; and a recovery component. The water collecting device of the present invention collects rainwater, and under the action of the flow discarding device, the relatively dirty rainwater in the early stage of flow is discarded. Combined with the water purification system, the filter material is used to adsorb heavy metals and other pollutants in the water body, and the water collection filter is set to filter and remove impurities in the rainwater, and finally the purified rainwater is stored in the storage tank.

The invention relates to the technical field of city rainfall flood management, in particular to rainfall flood control and rainwater utilization facilities conforming to a sponge city concept, and specifically relates to an ecological type rainwater garden. The ecological type rainwater garden comprises a terrestrial landscape part, a pipeline system and a water ecosystem part, wherein the terrestrial landscape part comprises a horizontal pavement, a close-to-pavement lawn, a land lawn and terrestrial landscape plants; the pipeline system comprises vertical spraying pipes, an annular spraying pipe, a rainwater collecting pipeline, an electronic-control water pump and a water-return irrigation pipeline; the water ecosystem part comprises a water microbial community, an aquatic animal community and an aquatic plant community. The ecological type rainwater garden has the advantages that the ecological type rainwater garden uses the sponge city concept as the foundation, and perfect later maintenance management can be achieved; the ecological type rainwater garden can play an important role in urban inland inundation improvement, reclaimed water recycling, ecological environment protection and the like, and the construction of ecological and harmony city landscape ecological environments can be helped through a scientific and reasonable design concept.

The invention belongs to the technical field of rain gardens, and in particular relates to a rain garden used in urban parks, which includes a pit body, a covering layer, a planting layer, a sand layer, a gravel layer, and an overflow pipe. In the present invention, by designing a drainage unit, the In stormy weather, the rainwater beyond the normal purification range of the rain garden is introduced into the sand layer on the right side of the partition through the drainage unit, and the part of the rainwater is purified to a certain extent through the sand layer on the right side. This part of the rainwater is relatively normal filtered rainwater Poor, but better than unpurified rainwater; therefore, compared with traditional rainwater gardens, the present invention has a part of rainwater that has been purified to a certain extent in addition to the normal purified rainwater, and the purification effect is relatively good.

The invention relates to a rain garden suitable for monsoon climate. The rain garden includes a rain garden, an annular pool around the rain garden, a water level regulation device for regulating thewater level in the annular pool, and a rain purification and reuse device for recycling and reusing water in the annular pool. According to the rain garden, the maintenance and management effectsare good, the cost is low, and using time is long; soil hardening, rain erosion, and soil loss are prevented; within the right range is stayed throughout the year, and water circulation of the rain gardenis realized; and the problems of current waste and pollution of water storage in the rain garden in rainy season, being no available water resources in dry season, and being prone to cause plant wilting, landscape deformation and soil hardening are solved.

The invention discloses a rainwater treatment method based on a stepped garden. In the method, a multi-level rainwater garden arranged in steps is adopted, and rainwater is introduced into the rainwater garden and flows through a high-level rainwater garden and a low-level rainwater garden in sequence to realize rainwater treatment. , which is characterized in that the rainwater is first led to the bottom of the high-level rain garden, so that the rainwater flows from the bottom of the high-level rain garden from bottom to top, and then converges from the top of the high-level rain garden and then falls from the edge into the low-level rain garden, from the inside of the low-level rain garden Flow from top to bottom to achieve filtration. The invention can realize multiple rainwater treatment methods, can comprehensively remove pollutants such as COD, TN, TP, and TSS in rainwater, and has an excellent removal effect on nitrogen (organic substances such as humus mixed in rainwater), and enhances the rain garden’s impact on The removal ability of Zn, Cd, Pb, Ni, Cr and other heavy metal ions and the enhanced rainwater retention ability make it suitable for the needs of mountainous cities.

The application relates to a rainwater system for an ecological transportation hub and its construction method, which includes a single building, a hard ground and a rain garden. The rain garden is inclined, and the rain garden is equipped with a drainage system connected to the municipal rainwater pipe network. The drainage system includes an overflow pipe and a permeation pipe. The overflow pipe is set in the rain garden, and the top of the overflow pipe is provided with an overflow. The bottom of the system is connected to the drainage system of the municipal rainwater pipe network, the permeation pipe is buried in the rain garden, and the permeation pipe is connected to the bottom of the overflow pipe. In rainy days, rainwater flows into the rain garden. When the level of rainwater in the rain garden is higher than the overflow opening at the top of the overflow pipe, the rainwater is discharged from the overflow pipe into the municipal storm sewer network. At the same time, the excess rainwater in the rain garden seeps into the ground and passes through In the pipe, it finally flows into the municipal rainwater pipe network. This application has the effect of alleviating the water accumulation on the roads around the transportation hub.

The present invention is a rain garden for efficiently reducing runoff velocity and pollutants. The rain garden is in a ring structure, and from the outside to the inside are: a pre-treatment unit for filtering and preventing rainwater erosion, and a garden unit for planting terrestrial plants. and a cistern. At the same time, a gazebo can be built above the reservoir to enhance the practicality of the rain garden. Its advantages are to efficiently reduce runoff pollutants; effectively slow down runoff scouring; improve water storage, water purification capacity and infiltration efficiency; reduce the requirements for planted plants, expand the range of plant selection; prolong the residence time of runoff in the vegetation layer.

The invention relates to a rainwater garden flood prevention device comprising a planting layer, a transition layer and a gravel layer sequentially from top to bottom, and a rainwater circulation device is arranged in the planting layer. The planting layer is formed by laying denitrification filter material. A filter layer is formed by laying coarse sand. The gravel layer is formed by laying gravel and pebbles. An aquifer is arranged under the gravel layer and comprises an upper concrete layer, a lower concrete layer and concrete columns arranged between the upper concrete layer and the lowerconcrete layer. An interlayer is poured between the upper concrete layer and the lower concrete layer. A reservoir is formed between the upper concrete layer and the interlayer. Multiple rows of through holes are formed in the upper portion of the upper concrete layer. A plurality of rainwater wells are evenly formed in the planting layer. The multiple rows of through holes are formed in the upperportion of the upper concrete layer, and vertically arranged water passing pipes are arranged in each row of through holes. The rainwater circulation device is arranged on the upper portion of a sludge storage pool and comprises a water return pipe, a water return pump and a water return pipe network. The rainwater garden flood prevention device has the effect that flood is prevented in a rainwater garden.

The invention relates to a multi-stage baffle rain garden system and its application for treating initial rainwater. There is a non-overflow partition wall between the baffle areas, the bottom of the filter area is connected to the bottom of the first-stage baffle area, and an overflow partition is set between the odd-numbered baffle area and the even-numbered baffle area adjacent to the rear end. Wall, a non-overflow partition wall is set between the even-numbered baffle area and the odd-numbered baffle area adjacent to the rear end, the bottom of the even-numbered baffle area is connected to the bottom of the odd-numbered baffle area adjacent to the rear end, and finally An overflow partition wall is set between the stage baffle area and the infiltration reuse area. The system can be applied to parks, residential areas, campuses and urban greening, etc. It can effectively treat the pollutants in the initial rainwater, and at the same time, it can infiltrate the cleaned rainwater into the ground or collect it for reuse, thereby reducing the total amount of runoff. , Reduce the peak runoff, to achieve the purpose of environmental protection and landscape improvement.

The invention relates to a rain garden system for anti-clogging sponge city construction, comprising an aquifer (1), a covering layer (2), a planting soil layer (3), a permeable geotextile (4), Artificial filler (5), sand layer (6), gravel layer (7), waterproof membrane (8) and plain soil tamping (9); described gravel layer (7) is provided with perforated drainage pipe (10) and perforated The aeration pipe (12), the perforated drainage pipe (10) and the perforated aeration pipe (12) are respectively connected to a water storage tank (16). Compared with the prior art, the invention has the advantages of anti-clogging, strong permeability, strong ability to purify rainwater, simple use and maintenance, and the like.

The invention provides a method and a rainwater garden system for synchronous resourceful treatment of reclaimed water and belongs to the technical field of water resource utilization. Collection, treatment and recycling of rainwater and the reclaimed water are integrated into flower beds, lawns and landscape gardens of constructed wetlands, and non-point and point source pollution of cities is solved. An artificial filter bed system of the rainwater garden is subjected to cold-resistant enhancement treatment by cold-resistant vegetation, thermal insulation, potential level water distributionand aeration; pollutants in the rainwater and the reclaimed water are rapidly and efficiently degraded by iron-substrate biological particle carriers. The system is suitable for rapid resourceful treatment of the rainwater and the reclaimed water at different temperatures in different regions and different seasons. Quality of effluent of the system meets water quality requirements of surface watersources of greening and domestic drinking water, so that not only is water resource saved, but also the black-odor problem caused by long-term storage of the rainwater in the sponge city developmentprocess is solved, and production of a black and odorous water body can be effectively prevented. Industrialization can be realized, and the method and the system have good market prospect and promotional value.

The present invention relates to a rainwater early warning method based on rain garden monitoring data, which may include the following steps: S1. Obtaining rain garden monitoring data, constructing a dynamic rain and flood model in the area where the rain garden is located, and outputting urban waterlogging probability prediction results; S2. City Waterlogging risk analysis, through the analysis of urban waterlogging prediction probability results, identifies and predicts the level of urban waterlogging risk occurrence in the future, and finally realizes the early warning and management of urban rain and flood. The present invention makes full use of the online monitoring data of the rain garden to construct and analyze the rain and flood model and early warning of urban waterlogging risk, so as to provide an effective method for urban rainwater management in the future, and to improve the performance of the rain garden and urban waterlogging in the future. Early warning of security issues provides data and technical support.

The invention belongs to the technical field of rain gardens, and in particular relates to a secondary rain garden suitable for the construction of sponge cities, which includes a pit body, a covering layer, a planting layer, a sand layer, a gravel layer, and an overflow pipe. A soil loosening unit is set in the sand layer. After a period of use, the sand layer on the left side is loosened by the soil loosening unit to improve its purification effect; when loosening the sand layer, first wait for the sand layer to be dried, then The auxiliary drive mechanism sequentially drives the installation shafts in each loosening unit to rotate reciprocally; the rotation of the installation shafts drives the two rollers to rotate around the axis of the installation shafts, and at the same time, the rollers rotate around the installation shafts. Through the rotation of the rollers And rotate around the installation shaft to loosen and turn over the sand layer.

The present invention provides an indoor rainwater garden, comprising a water spray system, a water collection system, a plant system, a filtration system, a water replenishment system and a drive system, the water collection system is located below the plant system, and the plant system and A filtration system is arranged between the water collection systems, and the water spray system includes a nozzle, a nozzle installation pipe, a water delivery pipe, a water pump, a pressure regulating valve, a water pump well, and a water pump controller for controlling the switch of the water pump. Including water collection tray and water collection well; the plant system includes water-tolerant and shade-tolerant plants and planting layers, the filter system includes gravel layer, coarse sand layer, and two-layer net from top to bottom, and the water replenishment system includes water source and water level A controller, the drive system includes upper and lower ball grooves, a gear plate, a driving gear, a bottom plate, and a drive motor. The invention has low manufacturing and operating costs, simple use and maintenance, can create landscapes with water droplets, green grass and colorful flowers, and add cheerful indoor atmosphere.

The invention discloses a multifunctional rainwater storage and drainage garden system, which comprises: a foundation pit, a landscape reservoir and an irrigation reservoir, and a waterproof substrate layer, a coarse gravel substrate layer, a potassium long A stone matrix layer, a quartz sand matrix layer, a mixed matrix layer and a cover layer, the potassium feldspar matrix layer is laid on the coarse gravel matrix layer in a wave shape in the thickness direction, and the quartz sand matrix layer is laid on the coarse gravel matrix layer in the thickness direction It is laid on the potassium feldspar matrix layer in a wave shape, and the filler of the mixed matrix layer is a combination of planting soil and expansive soil. The rain garden system of the present invention has an efficient rainwater filtering effect, can quickly and effectively purify, filter and store rainwater for use when rainwater is insufficient, has multi-functional storage and drainage features, and realizes ecologically sustainable rainwater control Use with rainwater.

The invention discloses a three-dimensional integrated intelligent rainwater garden, which comprises a rainwater purification area, a water storage tank, a water collecting pipe, a water storage tank and an automatic control system. The invention also discloses an application method of a three-dimensional integrated intelligent rainwater garden. The rainwater purification area on the ground and the vegetation area on the roof purify the rainwater to form a three-dimensional rain garden. After the rainwater is purified, it is stored and reused to realize an integrated multi-functional rain garden. The automatic control system automatically controls the operation of the rain garden. In an emergency, the working mode can be controlled through the on-site control terminal. When unattended, the working mode can also be remotely controlled through the remote control terminal to create an intelligent The optimized rain garden helps the construction of smart cities.

The invention relates to an artificial water storage stone and a preparation method thereof. The water storage stone includes a permeable layer and one or more water storage chambers located in the water permeable layer. The water storage chamber accounts for 30-60% of the total volume of the water storage stone. %; the water-permeable layer is a porous cladding layer, and the porosity of the water-permeable layer is 10-25%. The artificial water storage stone of the present invention realizes the storage of rainwater through the water storage cavity and the permeable layer with water storage function, and the water storage capacity of the water storage stone reaches 0.4‑0.7t / m 3 , which is 2‑3 times that of natural stones in the same volume, which greatly improves the water storage capacity of the rain garden aquifer; at the same time, it can greatly reduce the excavation of deep pits in the rain garden, further reduce construction costs, and also reduce the occupied area. If it is in an area with a large amount of rainfall, compared with a rain garden of equal volume, the sustainability of stormwater control is also greatly improved.