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3369 results about "Rainwater harvesting" patented technology

Rainwater harvesting is the accumulation and storage of rainwater for reuse on-site, rather than allowing it to run off. Rainwater can be collected from rivers or roofs, and in many places, the water collected is redirected to a deep pit (well, shaft, or borehole), aquifer, a reservoir with percolation, or collected from dew or fog with nets or other tools. Its uses include water for gardens, livestock, irrigation, domestic use with proper treatment, indoor heating for houses, etc. The harvested water can also be used as drinking water, longer-term storage, and for other purposes such as groundwater recharge.

Method and system for prefabricated construction

A structure assembled from a combination of stackable modules, each module assembled from multiple prefabricated, transportable blocks. The blocks are typically reinforced cast concrete formed in reusable molds. Module framing blocks may include arched corner blocks, key blocks that interlock with a pair of corner blocks, and optional center blocks. Other structural elements include roof, floor, and wall components that interlock with the framing modules. Modules may be stacked or nested to form structures including buildings, elevated roadways, and parking garages. Utilities may be provided through optional conduits formed in the corner elements. The framing supports raised floor modules for ease in mechanical system installation and modification. The roof elements support usable terraces and rainwater collection. The blocks are demountable and reusable. The modules are self-supporting during erection, and may be assembled without fasteners.
Owner:POWELL DAVID W

Water discharging manhole cover capable of automatically hoisting

The invention provides a water discharging manhole cover capable of automatically hoisting. The water discharging manhole cover comprises a manhole cover, a manhole cover base, two spring hinging mechanisms, a manhole cover floating cabin, a rainwater collector and an alarming device, wherein the manhole cover base is fixedly arranged on a well opening of a water discharging well; the manhole cover is placed on the manhole cover base; the two spring hinging mechanisms are connected between the manhole cover and the manhole cover base; the rainwater collector is located below the manhole cover floating cabin; and the alarming device is arranged in a central hole of the manhole cover and a manhole cover floating cabin through hole in a penetrating manner. The manhole cover of the water discharging manhole cover is made of a high-strength and light-mass material and can be automatically opened and closed by the manhole cover floating cabin according to the water depositing amount above the manhole cover, namely the water discharging manhole cover has a function of automatically and vertically hoisting, so that the discharging capability of water deposited at a road surface is enhanced. Furthermore, the manhole cover is connected with the manhole cover base through the spring hinging mechanisms so that the manhole cover is prevented from being washed away by the water; and the alarming device is used for providing alarms to pedestrians and vehicles so that the safety is good. Furthermore, the water discharging manhole cover also has the advantages of reasonable and simple structural design, complete functions, convenience for maintenance and the like.
Owner:CIVIL AVIATION UNIV OF CHINA

Systems and methods for water harvesting and recycling

ActiveUS20110174706A1Reduce sunken and uneven surface areaReduce water billsWater treatment parameter controlWater cleaningWater useSprinkler system
This disclosure describes a system for recycling and reusing water from sprinkler systems to water or irrigate a yard or an area of land. The system includes a water reclamation tank that stores water captured from beneath the area of land. When it is time to water the area of land, the sprinkler system draws water from the water reclamation tank. A portion of this water is then recaptured and supplied back to the water reclamation tank for further storage until the next time the sprinkler system is activated. This cyclical process occurs repeatedly and enables a significant reduction in the amount of freshly supplied water used to maintain the area of land.
Owner:RUSSELL AUSTIN

Mobile field electrical supply, water purification system, wash system, water collection, reclamation, and telecommunication apparatus

A mobile emergency response apparatus providing water collection, handling, treatment, and storage capabilities, as well as serving as mobile telecommunication system. The apparatus comprises a raw water filtration system, a sodium ion exchange system, a storage system with a plurality of tanks, a reverse osmosis system, and heating and distributions systems. The apparatus also comprises a mobile electrical power system. Optionally, the apparatus includes a desalination system, a disinfection system, a rainwater collection system, a fluid containment and recovery system, and an auxiliary fluid distribution system. The disinfection system may include a chlorination, ultraviolet light, or ozone disinfection system, and may further include a distillation system that may be conventionally powered or solar powered. Water may be distributed through a plurality of auxiliary devices. The telecommunication system includes both satellite and terrestrial transmission and receiving capability, and location identification devices such as a global positioning system and a radiolocation system.
Owner:NU ELEMENT

Weatherable water-permeable material and its uses

The invention discloses a weatherability permeable material, which consists of aggregate and adhesive, wherein the aggregate is one of natural quartz sand, coal ash, melt slag, artificial quartz sand or their random composition with diameter at 0.07mm-1. 6mm; the adhesive is one of epoxide resin, polyurethane resin and acroleic acid resin or their composition with good weatherability; the optical stabilizer, anti-oxidizer and adhesive are added in the raw material, which improves weatherability obviously; the permeable resin is added in the aggregate as well as inorganics, which improves permeability effectively.
Owner:RENCHSAND ECO ENVIRONMENT PROTECTION SCI & TECH CO LTD

Intelligent ecological greenhouse system based on solar light supplement and geothermal insulation

The invention provides an intelligent ecological greenhouse system based on solar light supplement and geothermal insulation. The system comprises a greenhouse, a water accumulation and feed device, a fertilization device, a solar light condensation device, an optical fiber receiver, an optical fiber light splitter, a light supplement lamp, a solar photovoltaic generation device, a geothermal pump, hot water heat-radiating fins, a water curtain cooler, a CO2 generation device, a constant-flow ventilating window, a temperature sensing device, a humidity sensing device, a photosensitive sensor, a video monitor device, a CO2 sensing device, a rainwater collection pool, a storage battery, a power supply controller, an inverter, a control host, a monitor, a mains supply and the like, wherein electric power of a solar photovoltaic module and electric power of the mains supply are respectively supplied to the geothermal pump and the control host as well as a water feed pump and the light supplement lamp; and the control host respectively receives different signals of the temperature sensing device, the humidity sensing device, the photosensitive sensor and the CO2 sensing device to control respective terminal devices, respectively performs light supplement, temperature insulation, watering, fertilization and CO2 adjustment, and carries out remote monitoring at the same time.
Owner:王干

Rainwater collection and dispensation system

InactiveUS6941702B1Economically water usageEasy and convenient to setPipe supportsGeneral water supply conservationWater savingRainwater harvesting
A rainwater collection and dispensation system for economically conserving water usage by using collected rainwater. The rainwater collection and dispensation system includes a gutter being adapted to be mounted along an edge of a roof of a building structure; and also includes a tank support member being adapted to rest upon a ground and being disposed beneath a portion of the gutter; and further includes a tank being securely and removably supported upon the tank support member; and also includes a drainage spout interconnecting the gutter and the tank for draining rainwater from the gutter into the tank; and further includes a rainwater dispensing assembly including an overflow pipe member being disposed through a wall of the tank for draining rainwater from the tank.
Owner:ABRAMS LYNDON +1

Weather resistance permeable material and application thereof

The invention relates to a weather resistance permeable material, comprising aggregate and binding agent, wherein, the aggregate is one of natural quartz sand, coal ash, smelting waste residue, artificial quartz sand or the arbitrary combination thereof; the grain diameter of the aggregate is 0.07 mm-1.6 mm; the binding agent is epoxy resin, polyurethane resin and acrylic acid resin with good weather resistance or the arbitrary combination thereof; the weather resistance is effectively improved by selecting the binding agent with good weather resistance and adding light stabilizer and antioxidant; and the water permeability of materials is effectively improved by selecting hydrophilic reactive resin with good water permeability and adding hydrophilic inorganic material in the aggregate. The application of the weather resistance permeable material is as follows: the above raw materials can be mixed to manufacture permeable prefabricated pieces used for road surfacing or rain water collecting and water filtering, and can also be directly paced on the road surface to form a permeable road surface, thus promoting full utilization of rain water resources and improving urban water circulation.
Owner:RENCHSAND ECO ENVIRONMENT PROTECTION SCI & TECH CO LTD

In-situ rainwater leaching repair system for contaminated soil

The invention relates to an in-situ rain leaching repair system for contaminated soil. The in-situ rain leaching repair system at least comprises three parts, namely a rain collection part, a leaching repair part and a waste water treatment part, wherein the rain collection part is provided with water guiding pipes, a water collecting tank and canals, the leaching repair part is provided with an observation well, water collecting pipes and plants planted for the soil phytoremediation, the observation well is built in a middle-upper layer of contaminated soil, and the water collecting pipes are in the middle-lower layer; and the waste water treatment part is provided with a filter tank, a microorganism putting tank, an electric separation tank, a wind power generating set and the like, leaching waste water is firstly filtered by the filter tank, and is then repaired by the microorganism putting tank, and finally, the leaching waste water passes through the electric separation tank to process heavy metal so as to obtain the purified liquid. The in-situ rain leaching repair system establishes a complete contaminated soil simulated repairing system for the soil in an aeration zone, and combines repair technologies of leaching, plants, microorganisms, electric separation and the like. The in-situ rain leaching repair system has the characteristics of energy conservation, emission reduction and no secondary pollution, and is suitable for repairing the soil in a large-area aeration zone with little pollution.
Owner:CHINA UNIV OF GEOSCIENCES (WUHAN)

Method and system for collecting, storing and distributing solar energy using networked trafficable solar panels

A system and method for generating electricity using networked traffic bearing solar panels. A plurality of networked solar roadway panels, each formed of an upper surface layer, medial electronics layer and lower base, are sufficiently strong to support vehicular and pedestrian traffic directly thereon. Each panel carries plural photovoltaic cells, plural light emitting diodes, a heating element, a controller and related circuitry, and communicates with an energy storage device. The plurality of solar roadway panels operatively communicate with an external electrical grid and with a communication grid. The trafficable panels generate power, self-heat, provide communication links and channel storm water run-off to a storm water collection system. This system provides a self-healing, decentralized smart grid intelligent traffic bearing system.
Owner:BRUSAW SCOTT DAVID +1

Pet feeder apparatus

The invention is directed towards a pet feeder that provides a barrier between the food contained within the feeder and ants or other crawling insects. The invention comprises a lower water container, a support element carried by the lower water container and supporting an upper feed container, a hood element and a rain collector. The rain collected by the rain collector drains down the support element and into the lower water container replenishing a water source for the animal and the insect barrier. The hood element protects the food contained in the height-adjustable upper feed container from becoming wet with rain.
Owner:CONE DANNY JOE +1

Rainwater collection storage utilization process

The invention discloses a rainwater collection storage utilization process. The process comprises the following steps of: collecting rainwater on a roof, intercepting pollutants in the rainwater, performing initial rainwater discarding, regulating and storing the rainwater, filtering the rainwater, disinfecting the rainwater, and feeding into a recycling water tank for later use, wherein in the step of initial rainwater discarding, the rainwater of which the pollutants are intercepted is introduced into a rainwater discarding pool, dirt deposited on the lower part of the rainwater discarding pool is discharged from a drain pipe, and water on the upper part of the rainwater discarding pool is introduced into a rainwater regulation and storage pool for regulation and storage; in the step of regulating and storing the rainwater, the water in the rainwater regulation and storage pool is regulated and stored, and when the rainwater stored in the pool is excessive, the excessive water is introduced into a municipal drainage system; and in the step of filtering the rainwater, the rainwater is filtered by a multi-medium filter. By the process, most of pollutants in rainwater runoff can be controlled, and the load of subsequent treatment equipment is reduced; the water quality of effluent is higher than that of effluent of the conventional filter, and the turbidity of the effluent is less than 4; and when the process is implemented, a small space is occupied, and during use, the process is not limited by environmental conditions.
Owner:SHANGHAI ZHUANQIAO CONSTR ENG

System and method of purifying and recycling or discharging septic tank effluent, graywater, rainwater and stormwater

Methods and systems are disclosed which provide for the purification of effluent from a septic system or natural water from rainwater or stormwater collection devices for the storage and reuse of water. The purified water may be supplied to water applications, such as a return conduit to a home for potable or graywater usage. The distillation unit may be powered by a local power independent of a municipal power grid and which may employ sustainable energy mechanisms. The distiller residue may undergo a volume reduction process, such as evaporation, coagulation, electrocoagulation or microfiltration. The purified water may be stored in a holding tank with sensors to monitor the water quality and water level within the tank. Alarms, release valves or relief valves may be activated in response to such monitoring.
Owner:PANUNZIO MINDY S

Pervious concrete pavement system capable of collecting rainwater

InactiveCN101003962AReduce negative impactMeet the load-bearing strength requirementsIn situ pavingsSewerage structuresRainwater harvestingRoad surface
The present invention relates to a rainwater-collecting permeable concrete pavement system. It is characterized by that said pavement structure includes rammed earth layer whose thickness is greater than 10mm, general concrete base layer whose thickness is 80-100 mm, permeable concrete structure layer whose thickness is 100-150 mm and permeable concrete face layer whose thickness is 40-60mm from bottom to top. Said pavement system is adjacent to green belt, under the green belt a rainwater-collecting pool is set, and the bottom portion of said rainwater-collecting pool is equipped with a submersible pump. Along the length direction of said pavement structure two sides of said pavement system are respectively equipped with a rainwater-collecting channel, the outlet of said submersible pump is connected with pipe network, and said pipe network is distributed in the green belt.
Owner:CHINA STATE CONSTRUCTION ENGINEERING CORPORATION +2

Source rainwater purification and storage system based on low impact development and installation method

The invention discloses a source rainwater purification and storage system based on low impact development. The source rainwater purification and storage system comprises a permeable pavement road and a concave herbaceous field. The permeable pavement road and the concave herbaceous field are connected, the bottom of the concave herbaceous field is provided with a bioretention layer, the bioretention layer comprises a biological layer, a sand layer and a gravel layer that are distributed in order, the bottom of the gravel layer is provided with a rainwater collection tank, the joint between the gravel layer and the rainwater collection tank is externally provided with a geotechnical cloth, the rainwater collection tank is composed of several rainwater collection modules, the upper parts of the tank wall on two sides of the rainwater collection tank are respectively provided with an overflow pipe, the rainwater collection tank is equipped with a water level monitoring device, by adopting a module mutual splicing method, the construction becomes convenient and the construction period is short, the collected rainwater can provide water needed for growth of green plants on the ground for a long time, natural rainwater is effectively utilized to reduce the consumption of the tap water employed by people to irrigate plants. At the same time, retention rainwater is stored to reduce surface runoff, thus being conducive to construction of sponge cities and protection of the ecological environment.
Owner:HUAZHONG UNIV OF SCI & TECH

Sponge city rainwater collecting, purifying and utilizing combination system

The invention discloses a sponge city rainwater collecting, purifying and utilizing combination system which comprises a roof rainwater collecting area, a road rainwater collecting area, a greenbelt rainwater collecting area, a water collecting and sand settling tank, a purifying device and an impounding reservoir. An evaporation preventing layer, a soil layer, a water supply layer and a purifying layer are sequentially arranged on the roof rainwater collecting area from top to bottom. Transverse and longitudinal water collecting pipes are arranged in a bottom gravel layer of the road rainwater collecting area. An evaporation preventing layer, a soil layer, a rough sand layer and a purifying layer are sequentially arranged in the greenbelt rainwater collecting area from top to bottom. A filtering grid is arranged in the middle of the impounding reservoir, a water inlet hole and a water overflow hole are formed in the upper portion of the impounding reservoir, and a water drawing pump is arranged at the bottom of the impounding reservoir. The city environment can be greened and beautified, city rainfall flood pressure can be relieved, pollutants in rainwater can be absorbed, water resources can be saved, the rainwater utilization efficiency can be improved, and important reference significance is achieved on sponge city non-point source pollution control and city water shortage relieving.
Owner:SICHUAN UNIV

Solar automatic irrigation system for afforestation

The invention relates to a solar-energy green automatic irrigating system, which comprises solar energy battery plate, water pump, irrigating and micro irrigating system, rain collector, water feeder, fertilizer, water container, accumulator, charge controller, and automatic control system formed by single chip and sensor; the solar energy battery plate is connected to the accumulator via charge controller, to charge accumulator and control the over-charge or over-discharge of accumulator; the accumulator via automatic controller is connected to the water pump; the water inlet of water pump is connected to the water container, while water outlet is connected to the irrigating and micro irrigating system; the rain collector, water feeder, fertilizer are connected to the water container. The inventive system can save water.
Owner:DONGHUA UNIV

Debris trap and method of trapping debris

Most commercial & residential buildings have rainwater collection systems that consist of leaders and gutters that collect water coming off the roof. These leaders and gutters are connected to drain pipes that channel the water away from the structure, usually into a dry well or storm drain. A substantial add-on to the leader and gutter system is a debris trap with an overflow port. The debris trap / overflow port may be attached to the leader at waist height (for easy access) to collect leaves, tree droppings, windblown litter and other materials. This debris can be easily discarded by opening an access panel to empty a built-in strainer. When a dry well or storm drain becomes saturated, water will back up through the leader causing seepage and overflow into the building and create erosion that can damage the foundation. The function of the overflow port is to divert water from the drain pipe away from the foundation. The debris trap / overflow port system not only channels water away from the building but also prevents overflow of organic materials that can accumulate along the foundation.
Owner:HURTADO JIM

Rainwater collection diversion and strata conservation regulation and storage system

The invention provides a rainwater collection diversion and strata conservation regulation and storage system comprising a water collection tank, a filter tank, a sedimentation basin, a regulation and storage pool and a control system; the water collection tank is connected with the filter tank, and a filter grid is arranged on a connecting portion between the water collection tank and the filter tank; a water exit of the filter tank is connected with the sedimentation basin, and a filtering net is arranged on a connecting portion of the two; the sedimentation basin is connected with the regulation and storage pool through a rainwater inflow pipe arranged above a side wall; the side wall of the regulation and storage pool is provided with an overflow pipe and water diffusion pipes uniformly arranged around the overflow pipe, wherein the overflow pipe is connected with a municipal downpipe net, and the water diffusion pipes extend outwards to surrounding soil by taking the regulation and storage pool as a center; the rainwater collection diversion and strata conservation regulation and storage system is controlled by the control system, and can collect, purify, store and divide road rainwater, thus realizing peak clipping, regulating, storing, strata conserving and water ecology restoring purposes, and providing important reference meanings for construction of a sponge city.
Owner:JINAN RAILWAY TRANSPORT GRP CO LTD

Integrated system for lakefront incipient rainwater collection, diffluence and ecological purification

The invention relates to an early stage rain-water collecting and diverting ecological purification integrated system used for lakesides, laying rain-water collecting pipe and filling ecological gravels in the rain-water entrapment trench, The water collected by the collecting pipe is transported into rain-water diverting well, diverting the water by the inlet pipe and outlet diverting pipe with the same height and diameter, and than transferred to four grade artificial wetland of 'coarse gravel-zeolite-functional stuffing-fine gravel' for stage ecological purification by adjusting the cloth water pipe laid on the bottom, and transported into lake again after purification. The invention can purify the heavily polluted early stage hard rain without effecting the ecological landscape.
Owner:北京铭泽源环境工程有限公司

Energy-saving type flower nursery watering device for gardens

The invention relates to a watering device, in particular to an energy-saving type flower nursery watering device for gardens. The energy-saving type flower nursery watering device for gardens aims at achieving the technical purposes of being capable of saving energy, uniform in watering and high in watering speed. To achieve the technical purposes, the energy-saving type flower nursery watering device for gardens comprises a first L-shaped guide rod, guide sleeves, a first roller, a disc cam, a first motor, a second roller, a second L-shaped guide rod, a water tank, a water pump, a first electronic control valve, a water inlet pipe, a water discharging pipe, a rainwater collecting tray, a hose, a gear, a rack, a box, a bearing, a rotating rod, a fixing plate, swing rods, spray heads, a first connecting rod, a second connecting rod, a third connecting rod, a second motor and a rotating disc. The box and the water tank are arranged on the ground from left to right in sequence, and the guide sleeves are symmetrically arranged at the bottom in the box. The energy-saving type flower nursery watering device for gardens has the advantages of being capable of saving energy, uniform in watering and high in watering speed.
Owner:徐州致诚会计服务有限公司

Extra-huge-volume concrete one-time continuous pouring multi-cycle real-time temperature control construction technology

The invention discloses extra-huge-volume concrete once continuous pouring multi-cycle real-time temperature control construction technology. Flow and flow rate of circulating water is automatically regulated by a concrete internal and external temperature real-time monitoring system. Hydration heat inside concrete is gradually reduced to balance the inside and outside temperature difference of the concrete, effectively prevent temperature difference stress inside and outside the concrete from generating a crack, and ensure that construction quality of "extra-huge-volume concrete" meets design and specification requirements. The extra-huge-volume concrete one-time continuous pouring multi-cycle real-time temperature control construction technology has the advantages of saving a lot of water resources, achieving green construction, and conforming to national energy saving and environmental protection policy orientation due to the fact that three communicated circulating water systems including water in a circulating pipe network, water in an entire storage thermal insulation maintenance pool of a base plate and recharge water come from a foundation pit rainfall and site rainwater collection system.
Owner:中如建工集团有限公司 +1

Ecological roof

The invention relates to an ecological roof. The ecological roof comprises a corrugated roof body arranged on the top of a greenhouse. The continuous wave crests of the roof body are composed of solar panels and heat insulation light-permeating plates, the tops of the solar panels and the heat insulation light-permeating plates lean on one another and are obliquely arranged. Semitransparent scattering plates are correspondingly arranged below the oblique planes of the roof body composed of the heat insulation light-permeating plates, and incident light is evenly distributed in the greenhouse to overcome the shadow formed by the solar panels. In addition, a distribution type photovoltaic power generation system, a rainwater collecting system, an automatic sprinkling irrigation system with the energy conversion function and a plant planting system photovoltaic greenhouse are integrated, the rainwater collecting system, the automatic sprinkling irrigation system, the photovoltaic power generation system, a plant planting system and the like can run in a coordinated mode according to the user requirements, and remote control is achieved through the Internet. The integrated design of a photovoltaic building and the greenhouse is adopted, and the ecological roof can provide service for the urban art landscape design and the green building design.
Owner:杭州驭光科技有限公司

Cyclic utilization system for rainwater in greenbelt

The invention discloses a cyclic utilization system for rainwater in a greenbelt. The cyclic utilization system comprises a rainwater collection unit, a humidity detection control unit and a sprinkling irrigation module. The rainwater collection unit comprises a water collection pool lower than a vegetation layer in a greenbelt, a processing pool communicated with the water collection pool, a liquid level sensor mounted onto the side wall of the processing pool and an artificial lake communicated with the processing pool. The water collection pool is communicated with the processing pool by means of a pipeline, on which a valve is arranged. The processing pool is communicated with the artificial lake by means of an underground pipeline provided with a pump machine. The humidity detection control unit comprises a main control unit and an integrated humidity sensor arranged in the vegetation layer in the greenbelt and electrically connected with the main control unit. The sprinkling irrigation module comprises a sprinkling irrigation device arranged in the vegetation layer in the greenbelt, a conveying pipe communicating the artificial lake with the sprinkling irrigation device and a pump machine and a valve which are arranged on the conveying pipe. The main control unit is electrically connected with all pump machines, valves and the liquid level sensor. The cyclic utilization system for rainwater in the greenbelt has following beneficial effects: rainwater can be collected and circularly used in an automated manner; labor workload is decreased; operation time is saved; and utilization efficiency of water resources in a city is greatly increased.
Owner:HOHAI UNIV

Rainwater collection device

A rainwater collection device for collecting rainwater from a gutter for later usage. The rainwater collection device includes a housing having a bottom wall and a peripheral wall extending upwardly from the bottom wall. The peripheral wall has a top edge defining an opening extending into the housing. A top wall defines a cover which is positionable on the housing for selectively opening and closing the opening in the housing. A supply pipe extends through and is attached to the top wall. The supply pipe is removably coupled to the gutter such that water in the gutter may enter the housing through the supply pipe. A drainage pipe is in fluid communication with the housing. The drainage pipe extends into the peripheral wall and is positioned generally adjacent to the bottom wall. A valve is positioned in the drainage pipe for selectively opening and closing the drainage pipe.
Owner:KUEHNEMAN BRET A

Horizontal initial rainwater drainage device

The invention relates to a horizontal initial rainwater drainage device, a water inlet tank is arranged on the right side of the upper part in a box body, a rainwater inlet is arranged at an inlet at the front end of the water inlet tank, and a rainwater collection port is arranged at the back end of the water inlet tank; a shunt plate is arranged in the back part position of the water inlet tank for dividing the back end of the water inlet tank into two parts with different sizes; a drainage shunt collection hole is arranged at the bottom part on the left side of the shunt plate and communicated with a drainage collection chamber below the back end part of the water inlet tank; a drainage shunt outlet opening is arranged below the end part on the right side of the shunt plate, a floating sliding groove is arranged under the drainage shunt outlet opening, the bottom of the groove is hollow, and the groove is communicated with the drainage collection chamber; a floating block is arranged in the floating sliding groove, a drainage flow by port is arranged on the front wall above the floating block, a drainage flow by groove in the vertical direction is arranged on the other side of the hole, and the hole is positioned on the upper side of the drainage flow by groove; and a drainage outlet opening is arranged at the bottom part of the drainage flow by groove and communicated with the outside of a machine body. Due to the adoption of the structure, the device can retain and collect later rainwater with better water quality, simultaneously effectively drain initial rainwater, reduce the cost, be applicable to different types of rainfall and be conductive to popularization.
Owner:TONGJI UNIV

Urban rainwater purification method and hydraulic jump type filter used therein

The invention mainly discloses an urban rainwater purification method and a hydraulic jump type filter used therein. According to the technical scheme of the invention, the urban rainwater purification method comprises the following steps: collecting rainwater, detecting the rainwater, carrying out sedimentation treatment, carrying out pH value treatment, carrying out aeration treatment, carrying out biological purification, carrying out fine filtration, and storing. The used hydraulic pump type filter comprises a first filter cartridge and a second filter cartridge, a detection cavity is arranged at a water outlet, only after water body is detected to be in line with urban water consumption requirements by virtue of a detection head, the water body is conveyed into a water storage tank, otherwise the water body is conveyed into the first filter cartridge and the second filter cartridge to be filtered again. The urban rainwater purification method disclosed by the invention has the advantages that the rainwater is collected and purified, collection, permeation, purification and utilization of the rainwater in an urban range are realized to the utmost extent under the premise of guaranteeing waterlogging prevention and safety of a city, urban waterlogging stress can be effectively alleviated and reduced, purification efficiency is high, water quality of the treated rainwater is effectively improved, utilization of a rainwater resource is promoted, and sponge urban construction requirements are met.
Owner:ZHEJIANG UNIV OF WATER RESOURCES & ELECTRIC POWER

Rainwater collection and purification method and device thereof

The invention relates to a rainwater collection and purification method and a device thereof. The method is realized in a way that: rainwater is collected by a rainwater collection surface and flows into a sedimentation tank for primary sedimentation and purification; the rainwater is purified by filtration and flows into a water-storage sedimentation water cellar for further rainwater purification; and finally, the purified rainwater can be used by users. The device at least comprises the rainwater collection surface, the primary sedimentation tank or a multistage ladder silt sedimentation tank and the water-storage sedimentation water cellar, wherein the rainwater collection surface is used for collecting rainwater and is made of flexible waterproof fabrics treated in a waterproofing way; the primary sedimentation tank or the multistage ladder silt sedimentation tank is connected with the rainwater collection surface; the water-storage sedimentation water cellar is directly or indirectly connected with the primary sedimentation tank or the multistage ladder silt sedimentation tank; and the water-storage sedimentation water cellar is provided with a water outlet pipe which can convey the purified rainwater to the users. The invention has the characteristics of simple and reliable structure, safe use, low price, safe water quality, environmental protection, convenient installation and use, and the like.
Owner:石钰漳

Landscape combined-type stereoscopic greening smart system

The invention relates to the technical field of stereoscopic greening, in particular to a landscape combined-type stereoscopic greening smart system. The landscape combined-type stereoscopic greening smart system comprises a rainwater collection and purification system, a water guiding irrigation system, green plant systems, an outer electronic control system and a water storage purification system, wherein the water guiding irrigation system comprises a detachable combined-type water guiding pipeline framework and greening module clamping grooves; the detachable combined-type water guiding pipeline framework is fixed on a construction vertical plane; the greening module clamping grooves are formed in and communicated with the detachable combined-type water guiding pipeline framework; each green plant system is arranged in one of the corresponding greening module clamping groove; the upper end and the bottom end of the detachable combined-type water guiding pipeline framework are respectively connected with the rainwater collection and purification system and the water storage purification system; a solenoid valve is arranged at the water outlet of the rainwater collection and purification system and electrically connected with the outer electronic control system. The landscape combined-type stereoscopic greening smart system is simple in structure, relatively high in practicability and low in use cost, meanwhile, can realize cyclic utilization of water resources, achieves the effects of attractive appearance and environmental protection, and can effectively economize resources.
Owner:辽宁易发成林生态技术有限公司
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