25 results about "Stormwater" patented technology

The invention discloses an intelligent rainwater system based on runoff simulation and multi-sensor monitoring, and an operation method. The system comprises a runoff simulation and control host basedon a GIS, a meteorological forecast and runoff satellite monitoring server, a distributed small meteorological station, a vertical surface rain condition monitor, a movable rainfall radar, an infrared video monitor, an evaporation measuring instrument, a rainwater pipe network flow monitor, a water quality online monitor, an air quality monitor, a radar rainfall monitor, an infiltration area saturation monitor, an accumulation area water level monitor, a shallow-layer underground water level monitor, a surface runoff monitor, a waterproof unmanned aerial vehicle with a speed measuring buoy, an optical fiber temperature sensing system, an optical fiber pressure sensing system, a communication module, an intelligent controller, a rainwater utilization facility water supply point, a high-position rainwater hydroelectric generation module, a submersible conveying pump, a pressurization infiltration device and the like. According to various parameters, the rainfall flood disasters are subjected to scientific early warning and warning, and measures are adopted, so that the disaster risk of rainfall flood disasters to a building area or a building can be reduced.

The invention relates to a rainwater collection device, in particular to a rainwater collection device for garden irrigation. The rainwater collection device comprises a water tank, water-collection-cloth supporting rods, brush rods, first hinging connecting rods, second hinging connecting rods, an impeller, a rod connecting frame and a rotating shaft sleeve. The water tank comprises annular water tank bodies, water-tank supporting legs, water-tank connecting plates, water-collection-cloth supporting rod bases and T-shaped grooves, wherein the multiple water-tank supporting legs are arranged at the lower ends of the annular water tank bodies, the inner sides of the lower end faces of the annular water tank bodies are connected with the water-tank connecting plates in a welded mode, the multiple water-collection-cloth supporting rod bases are evenly arranged at the upper ends of the outer side walls of the annular water tank bodies, and the inverted T-shaped grooves are formed in the upper ends of the outer tank walls of the annular water tank bodies. The rainwater collection device for garden irrigation can be arranged on the peripheries of trees in a surrounded mode, and the irrigation water volume of the trees is controlled; the developed area can also be increased, the rainwater collection capacity and area are enlarged, or the rainwater collection device is folded on a sunny day, the occupied area is reduced, and waterproof cloth cleaning can be carried out.

The invention relates to a water permeable brick purifying rainwater. The water permeable brick is divided into an upper layer and a lower layer, wherein the upper layer is a surface layer; the lowerlayer is a base layer; and a thickness ratio of the surface layer to the base layer is 1:(5-6). The invention further relates to a method of preparing the water permeable brick purifying the rainwater. Ceramsite in the base layer of the water permeable brick can absorb suspended matter and organic matter (VOCs (volatile organic compounds)); the reduction of a water permeable rate of the water permeable brick due to gap obstruction after long-term usage is avoided; the ceramsite after zeolitization modification can absorb a small quantity of heavy metals in the rainwater; and pollution of ground water is avoided.

The invention discloses a novel street lamp which comprises a tubular street lamp pole fixed to the ground. An isolation plate is arranged in the street lamp pole in the axial direction of the street lamp pole. A pipe cavity of the street lamp pole is divided into a water guide cavity and a wire containing cavity by the isolation plate. A hopper-shaped water collector is installed at the top end of the street lamp pole, and the water guide cavity communicates with the water collector. The lower surface of the water collector is coated with a light reflection layer, and a lamp holder is installed at the bottom of the water collector. A filter screen is arranged at the end of the water guide cavity. A water storage tank is arranged on one side of the street lamp pole, and a water guide pipe is arranged between the water guide cavity and the water storage tank. In rainy days, the water collector collects rainwater, and the rainwater flows into the water storage tank through the water guide cavity to be stored; and when water is needed, the water in the water storage tank can be used for watering plants or weeping and cleaning city building articles, so that the rainwater is fully utilized, and the water resource is saved.

The invention discloses a municipal rainwater drainage device capable of avoiding blockage and a rainwater drainage method, and relates to the technical field of municipal rainwater drainage. The municipal rainwater drainage device comprises a plurality of drainage bases and an anti-blockage mechanism, the drainage bases are attached together, L-shaped drainage holes are formed in the right end faces of the drainage bases, connecting bases are perpendicularly arranged on the drainage bases, the anti-blockage mechanism comprises a rotating roller, a plurality of evenly-distributed first supporting rods are arranged at the highest point of the radial side wall of the rotating roller, and a first filter screen capable of filtering rainwater impurities at the right side openings of the L-shaped drainage holes is arranged between every two adjacent first supporting rods. According to the municipal rainwater drainage device capable of avoiding blockage and the rainwater drainage method, the plurality of drainage bases are attached together and installed at the side position of a roadside roadbed, it is ensured that the lowest point of a right opening of each L-shaped drainage hole is lower than the height of the road surface, rainwater conveniently flows into the L-shaped drainage holes, meanwhile, impurity particles in the rainwater are prevented from entering the L-shaped drainage holes through the anti-blockage mechanism, the L-shaped drainage holes are prevented from being blocked, and therefore, the purpose of rainwater drainage is achieved.

The invention discloses a sponge city low-lying land multistage cascading rotary purification system. The system comprises a desilting water collection pool, a rotary purification canal and a reservoir. The desilting water collection pool is disposed at the top of a low-lying land. The rotary purification canal is in spiral downward arrangement along the periphery of the low-lying land, and is isolated into several purification units by several concrete baffle plates. Each purification unit is equipped with an antiscour layer, a soil layer, a coarse sand layer and a purification layer from top down in order, the soil layer and the purification layer are internally provided with water absorption discs, two sides of the purification layer extend to the purification unit surface layer, and the section is in U-shaped distribution. Water permeable geotextile is disposed at the contact part of the purification layer and the soil layer and the coarse sand layer. The reservoir is arranged at the bottom of the low-lying land, and the bottom is provided with a water pumping pump. The system provided by the invention not only can green and beautify the environment, but also can absorb heavy metals and other hazardous substances in water, and is of important reference significance for urban non-point source pollution control, rainwater purification recycling and sponge city construction.

The invention belongs to the technical field of steel structure stabilization, and particularly relates to a novel steel structure canopy. The novel steel structure canopy comprises steel frame support pillars, wherein support cross plates are fixedly connected to the top ends of the steel frame support pillars; a support cross beam is fixedly connected to the inner walls of the support cross plates; a center support pillar is fixedly connected to the upper end of the middle part of the support cross beam; lap-joint row bars are fixedly connected to the upper ends of the support cross plates;a fixed top beam is fixedly connected to the top end of the center support pillar; fixed connecting rods are fixedly connected to the inner walls of the lap-joint row bars; a connecting rain-proof iron sheet is fixedly connected to the outer surfaces of the lap-joint row bars; and fixed roof drip plates are fixedly connected to the outer ends of the connecting rain-proof iron sheet. According to the novel steel structure canopy provided by the invention, through an arranged structure, the whole stability of the canopy can be effectively improved; through the arranged fixed connecting rods, a supporting force of the connecting rain-proof iron sheet is improved, and the connecting rain-proof iron sheet is ensured to have a rain-proof function; and meanwhile, through arranged roof drips, rainwater can be drained in time, and the overall impact force on the connecting rain-proof iron sheet and the canopy due to the rain water is reduced.

The invention relates to the technical field of agricultural machinery and discloses a greenhouse based on solar and rainwater recovery. The greenhouse comprises a greenhouse cover, a motor is movablyconnected on the left upper side of the greenhouse cover, a solar panel is movably connected to the upper side of the motor, a transparent film is movably connected to the upper side of the greenhouse cover, a sunshade cloth is movably connected to the upper side of the transparent film, a wind-up roll is movably connected to the left side of the sunshade cloth, a storage battery is movably connected under the greenhouse cover, a left support column is movably connected to the left side of the storage battery, a control panel is movably connected to the lower side of the left support column,and a cross rod is movably connected to the right side of the left support column. Through structures such as the oblique cover designed and a water storage, rainwater or snow water on the greenhousecover can be collected in rainy or snowy days and used for watering vegetables and melons and fruits in the greenhouse when needed, the trouble and inefficiency of manpower irrigation are avoided, andthe resource utilization rate is increased.

The invention discloses an ecological floating island considering flood control and drainage of urban medium and small river channels and landscape requirements, the ecological floating island comprises a plurality of floating island units which are mutually connected and fixed, and each floating island unit comprises a floating island plate, a planting basket, a curtain type aeration membrane assembly, a microbial filler ball and an aeration pipeline system; buoys are fixed on the periphery of the floating island plate through tension bands; a planting hole is formed in the middle of the floating island plate, a planting basket is embedded in the planting hole, the planting basket is filled with a plant growth substrate, and aquatic plants are planted in the planting basket; a plurality of curtain type aeration membrane assemblies are fixedly mounted at the bottom of the floating island plate; and a microbial filler ball assembly is suspended at the bottom of the floating island plate. The method has the technical effects and advantages that impact pollution caused by urban rainwater runoff to a receiving water body is reduced, and water resources are effectively supplemented. The pollutant purification effect is good, and the removal efficiency of main pollutants in initial rainwater is high. Operation is free of maintenance, power consumption is low, oxygen utilization rate is high, and therefore comprehensive engineering investment is low.

The invention discloses a metal garbage can with a rain shade structure. The metal garbage can comprises a can body. The can body comprises an inner can body and an outer can body. A cavity is arranged between the inner can body and the outer can body. A communicating pipe used for communicating the interior of the inner can body with the outside air is mounted in the cavity. A water storage cavity is arranged at the bottom of the can body. The communicating pipe communicates with the water storage cavity. A rain shade device is mounted at the upper end of the can body. According to the metalgarbage can, through the arrangement of a pipeline, circulating of air between the outside air and the interior of the inner can body is promoted; meanwhile, through cooperation of the water storage cavity and the communicating pipe, liquid garbage and solid garbage are separated, and the situation that garbage is accumulated and peculiar smells are generated within a short time is avoided; in addition, through the arrangement of a rain baffle, on one hand, the rain shade function is achieved, and rainwater is prevented from entering the can body; and on the other hand, the rainwater can be guided into the can body to clean the can body by rotating the rain baffle, water sources are saved, and the can body can be cleaned conveniently.

Disclosed is a comprehensive rainwater conservation system based on a sponge city. The comprehensive rainwater conservation system comprises a rainwater filtering layer, a water collecting tank and a water supply device; the rainwater filtering layer communicates with the water collecting tank; a filtering water tank is arranged in the water collecting tank; and the water collecting tank and the filtering water tank are separated through a first filtering plate. According to the comprehensive rainwater conservation system, rainwater in the water collecting tank is partially filtered, water source supply under different industrial requirement conditions is met, rainwater collected by the sponge city is effectively utilized, and the effect of improving the rainwater utilization rate is achieved; and meanwhile, an emergency water pipe is additionally arranged between a first water tank and a second water tank, so that the utilization rate of the rainwater is further improved.

The ecological slope comprises a main slope body, drainage channels, a base, a top plate and soil, the base is fixedly installed on the side face of the main slope body, the drainage channels are symmetrically formed in the positions, located on the two sides of the base, in the main slope body, the top plate is fixedly installed on the surface of the base, and the soil is arranged in the main slope body. Compared with a traditional ecological slope, the equipment can provide a sufficient protection effect on soil in the main slope during use, the situation that internal soil is directly poured to the outside due to the fact that an internal water source absorbs too much water is prevented, the internal soil is more stable during use, the use effect of the equipment is guaranteed, and the equipment is worthy of popularization and application. And external rainwater, uphill soil and other impurities can be blocked and guided, a large number of external water sources are prevented from directly entering the soil in the main slope, the subsequent soil is more convenient and stable to use, and the overall working quality is guaranteed.

The invention provides a rainwater flow guiding pipe with silencing pipe walls and gradually-changed staggered layers on the inner wall. The portion between the two layers of pipe walls is divided into a plurality of closed small spaces which can primarily obstruct noise generated when the pipe walls are washed by rainwater. Beside, the small spaces are filled with energy absorbing balls. When sound is transmitted into the small spaces, sound wave vibration energy is absorbed, and noise is further eliminated. Canine-tooth-type staggered protrusions are arranged on the inner side of the inner pipe wall in the radial direction. After rainwater is washed down, the rainwater flows along a circumflex-shaped path formed by the staggered protrusions, rainwater washing speed is decreased, sound generated when the rainwater impacts the pipe walls is reduced, and the effect of eliminating noise is achieved. The height of the protrusions becomes smaller while the rainwater flow speed is decreased, and the situation that the rainwater overflows from the upper end of the flow guiding pipe when the water flow is too large is also prevented at the same time on the premise that it is guaranteed that noise is lowered. The outer surfaces of the protrusions are wrapped in PVC membranes, during rainwater washing, water flow can be buffered, and the effect of eliminating noise is further achieved.

The invention provides a plant deep anti-blocking irrigation pipe. The plant deep anti-blocking irrigation pipe comprises an upper pipe body and a lower pipe body, the upper pipe body is fixedly arranged on the lower pipe body and communicates with the lower pipe body, the lower pipe body is arranged to be in a long pipe cone shape, a plurality of irrigation holes are formed in the side wall of the lower pipe body, an irrigation filter screen is fixedly arranged at the position, where the irrigation hole is formed, of the side wall of the lower pipe body, the irrigation filter screen is covered with a polymeric membrane, the upper pipe body is arranged to be in an inverted circular truncated cone shape, a water injection opening is formed in the upper surface of the upper pipe body and communicates with the lower pipe body. The irrigation pipe is used for solving the problem that in the prior art, greening irrigation efficiency is low, meanwhile, the irrigation pipe is helpful for assisting in building a sponge city, saving land and funds and introducing rainwater into a stratum with the specified depth, meanwhile, networking is conducted through the lower pipe body to form an infiltration net covering the stratum with the multiple depths and multiple areas, therefore, underground water is effectively supplemented.

The invention discloses a planting method for dried ballonflower. The method improves the germination rate through scientific soaking seeds to hasten germination, guarantees the best growth conditionsthrough a strict management method including seedling treatment, water and fertilizer management and field management, gives scientific measures for special weather, such as rainy day, increases thecontent of organic matter of soil through biochar ash, forms excellent granular structures, guarantees the stability of soil at tuber parts in rainy days, promotes root growth, guarantees the proper growth of dried ballonflower through the measures, provides a powerful technical support for efficient and quality-guaranteeing planting, further meets the demands on the dried ballonflower by the market, and improves the economic benefit of producers.

The invention provides a rainwater backflow prevention device with automatic alarm and pipeline blockage prevention, which belongs to the technical field of rainwater backflow prevention and comprises a main shell, a flow guide mechanism and a sundry crushing mechanism. Through holes are formed in the top and the bottom of the main shell, a filter plate is arranged on the through hole in the top, and connecting mechanisms are arranged on the two sides of the top of the main shell; the flow guide mechanism comprises two bearings rotationally arranged on the two through holes respectively, the outer sides of the two bearings are sleeved with a rotary drum, a plurality of blades are arranged on the inner wall of the rotary drum, and a driving mechanism is arranged on one side of the rotary drum; and the impurity crushing mechanism is arranged below the main shell. The rainwater backflow prevention device with the automatic alarm and pipeline blockage prevention functions integrates backflow prevention and automatic alarm, has the functions of detecting the rainfall condition, preventing rainwater pipeline blockage, preventing rainwater backflow and the like at the same time, discharges accumulated water in a substation factory area more quickly, sends out a warning signal to a substation intelligent control system, and improves the safety of a substation. And operation and maintenance personnel are timely notified to clean.