37results about How to "Reduce flood damage" patented technology

The invention discloses a method for collecting rainwater. The method comprises the following steps that: a rain dropping pipe guides rainwater on a roof to a scattering ditch, the rainwater passes through a collection pipe network and enters a sunken green land, and the rainwater on a hardened land and a road surface is guided to the sunken green land; a seepage layer is arranged below the sunken green land and a green land, and a seepage pipe network is arranged in the middle of the seepage layer and connected with an impounding reservoir; the rainwater flows through the soil layer and the seepage layer and supplements the underground water; when the underground water level ascends due to rainfall, the rainwater flows through the seepage pipe network, enters the impounding reservoir and is used; and the water in the impounding reservoir can be fed into a water pipe network in a city. The invention also discloses a device for collecting the rainwater. The rain dropping pipe is arranged on a house and connected to the scattering ditch; the scattering ditch is connected to the collection pipe network; the collection pipe network is connected to the sunken green land; sewers are arranged on the hardened land, the green land and the road surface and connected with the sunken green land; the seepage layer is arranged below the soil layer below the sunken green land and the green land; and the seepage pipe network is arranged between the seepage layer and connected with the impounding reservoir. The device is rationally designed, and the method is simple; the number of targets is large; the use and maintenance costs are low; and the service life is long.

A river basin cascade reservoir and detention and retarding basin joint scheduling method comprises the following steps: S1, collecting the basic data of a river basin; S2, drawing a river basin flood risk chart and dividing risk areas; S3, acquiring precipitation, runoff forecast data and reservoir operation data of reservoirs and ranges in real time; S4, by taking the forecast and operation data in S3 as input, establishing and solving a reservoir group and detention and retarding basin joint real-time scheduling multi-objective optimization model; and S5, enabling detention and retarding basin compensation calculation. The method can give full play to the flood control and economical benefits of detention and retarding basins, and can be widely used in reservoir group and detention and retarding basin joint scheduling. Sustainable development of detention and retarding basins is taken into full consideration by enabling a compensation mechanism. A new scientific decision-making approach is provided for river basin flood control scheduling.

The invention relates to an underground stereo parking garage at roadsides. The underground stereo parking garage comprises a garage building body, a lifting handling mechanism and an automatic control system, wherein the garage building body is a stereo framework formed by steel frame structures; two columns of multiple-row berths are arranged on each layer of the stereo framework; one column of berths are taken as parking berths and the other column of berths are taken as handling berths; a crawler-type vehicle carrying platform A is arranged on each parking berth; a track for enabling the lifting handling mechanism to move is arranged at the bottoms of the handling berths; the lifting handling mechanism is arranged in the handling berths of the stereo framework; the lower end of the lifting handling mechanism is arranged on the track; the lifting handling mechanism can be driven by a horizontal moving mechanism to move along the extending direction of the track in a reciprocating way; the lifting handling mechanism comprises a crawler-type vehicle carrying platform B and a lifting device; the crawler-type vehicle carrying platform B can be driven by the lifting device to vertically move between any handling berths in a reciprocating way. According to the underground stereo parking garage disclosed by the invention, by fully utilizing underground spaces at two sides of a road, the quantity of vehicles parking on the ground is reduced, the parking is more convenient, and the traffic is smoother.

The invention relates to a regional rainwater collection and utilization engineering system and a regional rainwater deployment method. The regional rainwater collection and utilization engineering system comprises a rainwater collection system, a water quality treatment system and a control deployment system, wherein the rainwater collection system comprises rainwater collection trench pipelinesarranged along a hardened underlying surface, barriers and a reservoir; the water quality treatment system comprises a filtration system; the control deployment system comprises water quality monitoring equipment, a water level monitor, a control gate and a water pump; the filtration system is communicated with the underlying surface through the rainwater collection trench pipelines and communicated with the reservoir, the control gate is arranged between the filtration system and the reservoir, the water quality monitoring equipment and the water level monitor are arranged in the reservoir, the water pump is used for draining water in the reservoir, and the barriers are arranged on the periphery of the infiltration underlying surface. By means of the regional rainwater collection and utilization engineering system, the utilization rate of the rainwater can be effectively increased, water pollution can be reduced, and water and soil loss caused by surface runoff can be reduced.

The invention discloses an aerial water receiving canopy which is characterized in that a foldable water receiving canopy in the shape of an inverted umbrella with a funnel or a pot or a hinge is adopted; and the water receiving canopy is supported in the air through a support frame. The support frame adopts a telescopic metal tube. By utilizing the aerial water receiving canopy, a reclaimed water source can be fully utilized; rainwater is received in the air and stored in a sealed suspended reservoir, thereby avoiding loss, infiltration and evaporation of the part of the rainwater; simultaneously, flood disasters and flood problems in a region can be reduced; the aerial water receiving canopy is energy-saving and environmentally-friendly; as the aerial water receiving canopy can receive the water in the air, the rainwater is not polluted by the ground; and the aerial water receiving canopy is simple and practical, simple and reasonable in structure and easy for realization of industrial production. The aerial water receiving canopy product is not affected by the region and territorial water, and is generally suitable for all places of the world and especially suitable for water receiving and water consumption of people in outlying mountain areas, villages, sentry posts, plateaus, deserts, islands and marine vessels. The aerial water receiving canopy is really a water conservancy project which is beneficial to livelihood of people around the world.

The invention discloses a sponge city flood optimal scheduling method suitable for complex hydraulic connection. The method comprises the steps of building an urban hydraulic connection topological relation graph; determining main nodes of flood scheduling, and optimizing and calculating a time interval; determining a target function of flood scheduling according to the main control target of flood scheduling; determining a constraint condition of flood scheduling; establishing a flood scheduling model according to the target function and the constraint condition of flood scheduling; accordingto the priority of the target function of flood scheduling, a hierarchical optimization method is adopted, the optimal calculation time interval of flood scheduling is combined, a flood scheduling model is optimized and solved, a flood scheduling system is integrated, and urban flood scheduling is guided according to the optimal scheduling result of the flood scheduling model. Aiming at the sponge city flood scheduling problem with complex mesh hydraulic connection, blindness of an existing experience scheduling mode can be avoided, scientific and refined scheduling of the city flood problemis achieved, and city flood disaster loss is eliminated or reduced to the maximum extent.

The invention discloses a quantitative calculation method for the flood storage and detention effect of a coal mining subsidence area. The method comprises the steps that the natural inflow daily average flow of a riverway connected with the coal mining subsidence area is acquired, and the daily natural inflow of the riverway is calculated according to the natural inflow daily average flow of the riverway; the reservoir capacity corresponding to the design flood level of the coal mining subsidence area is acquired, the dead reservoir capacity of the coal mining subsidence area is acquired, and the flood volume corresponding to the flood control level of the riverway connected with the coal mining subsidence area is acquired; the flood storage and detention effect of the coal mining subsidence area is quantitatively calculated according to the natural inflow daily average flow of the riverway, the reservoir capacity corresponding to the design flood level, the dead reservoir capacity and the flood volume corresponding to the flood control level of the riverway. The situation that the flood storage and detention effect of the coal mining subsidence area can be derived only by carrying out a large number of observation experiments for a long time is omitted, the work cost is reduced, the research difficulty is lowered, the flood storage and peak clipping effect of the coal mining subsidence area under the given conditions is shown more visually, and a positive effect is achieved for relieving local flood disasters.

The invention discloses piling machines which respectively are a quick-exhaust type heavy hammer impact piling machine and a quick-exhaust type piston impact piling machine. Both the piling machines comprise two impact cylinders; each pair of impact cylinders is laterally symmetrically arranged on a bracket; each impact cylinder comprises a cylinder, an upper cover board and a lower bottom plate; each upper cover board is connected with the corresponding lower bottom plate; each cylinder is arranged between the corresponding upper cover board and the corresponding lower bottom plate; the lower bottom plates are arranged on the corresponding brackets; one impact cylinder of each piling machine is provided with a gas inlet valve and an exhaust valve; the inlet valves are positioned on the corresponding upper cover boards; the exhaust valves are positioned on the lower surfaces of the corresponding lower bottom plates; and the lower surfaces of the lower bottom plates are also provided with quick-exhaust valves. According to the invention, the quick-exhaust valves are arranged on the lower surfaces of the corresponding lower bottom plates, so that lower cavities of the cylinders in the two piling machines more smoothly exhaust and an effect of an impact force is more sufficiently played.

The invention discloses a silt loss preventing device for river ecological restoration. The silt loss preventing device comprises a river channel, wherein a silt conveying device for intercepting andconveying silt is arranged in the river channel; a flow control device positioned on the lower side of a filter screen is arranged in the river channel; the flow control device can adjust the silt conveying amount according to the water flow speed; and a storage device for storing redundant silt is arranged on the right side of the river channel. According to the silt loss preventing device, the silt in the river channel is intercepted through the intercepting filter screen arranged on the river channel, meanwhile, a water turbine positioned on the upstream of the intercepting filter screen drives a conveying mechanism to convey the intercepted silt into a conveying channel, water flow containing the silt is guided into a downstream farmland to be improved through the conveying channel, and therefore water and soil loss in the river channel is intercepted and guided, and the downstream farmland can be irrigated and improved; and meanwhile, a flow adjusting mechanism can automatically adjust the water conveying amount of the conveying channel according to the rainfall, the drought condition of the downstream farmland can be relieved, and the downstream flood disaster can be reduced.

The invention relates to an emergency drainage pipe for a logistic building, which belongs to the field of building equipment engineering. The basic technical scheme of the emergency drainage pipe is that a floor drainage pipe is arranged on the ground of each floor of the logistic building; a floor outlet of the floor drainage pipe is arranged on the skirting line of each floor at a position close to the floor slab; and the floor drainage pipe is connected with an outdoor yard drainage system. The emergency drainage pipe provided by the invention can take effective floor drainage technology and measures to drain lots of fire-fighting water used for extinguishing fire occurred in the logistic building or to drain lots of water flowing from various kinds of pipes damaged by a collision fault or the like in the building, thereby reducing flood loss caused by the fire-fighting water or fault water as much as possible.

The invention discloses a cleanable water-permeable hollow kerb for receiving runoff. The kerb comprises a bottom wall 1, a left wall 3, a right wall 4, a front wall 5 and a rear wall 6, a convex block 7 is arranged on the inner surface of the upper parts of the front wall and the rear wall, a top wall 2 and the convex block are movably connected, the bottom wall, the left wall, the right wall, the top wall, the lower part of the front wall and the upper part of the rear wall are separately prepared from concrete, the upper part of the front wall is prepared from a material with a water-permeable function, and the lower part of the rear wall is prepared from a material with a water seepage function. Compared with a traditional kerb, the cleanable water-permeable hollow kerb for receiving the runoff provided by the invention can effectively absorb runoff rainwater formed by a road, avoid water accumulation of the road, slow down urban flood disasters, can supplement groundwater resources, provide moisture for green plants grown on two sides of the road, and reduce maintenance costs; and meanwhile a flushable structure is designed, so that backwashing of a high-pressure water gun canbe facilitated, the service life of the kerb can be prolonged, and the costs are reduced.

The invention relates to a coastal ecological buffer zone structure having a compounding effect. The coastal ecological buffer zone structure comprises an herbaceous permeation zone, a shrub and herbaceous plant purifying zone, an arbor-herbaceous plant purifying zone and a reed purifying zone which are sequentially arranged in the runoff direction of farmland, wherein the herbaceous permeation zone comprises a bottom bearing layer, a gravel filling zone, a soil planting zone and a water reserving zone which are sequentially arranged from bottom to top, shrubs and herbaceous plants are plantedin the shrub and herbaceous plant purifying zone, arbors and herbaceous plants are planted in the arbor-herbaceous plant purifying zone, and hygrophytes and herbaceous plants are planted in the reedpurifying zone. Compared with common buffer zones, the coastal ecological buffer zone structure having the compounding effect can achieve remarkable permeation, detention storage and farmland rainwater runoff purification and has the advantages of rainfall flood regulation and storage, water purification, landscaping, biodiversity protection, water and soil conservation, low investment and operation cost and the like.

The invention discloses a cleanable water-permeable hollow kerb for receiving runoff. The kerb comprises a bottom wall 1, a left wall 3, a right wall 4, a front wall 5 and a rear wall 6, a convex block 7 is arranged on the inner surface of the upper parts of the front wall and the rear wall, a top wall 2 and the convex block are movably connected, the bottom wall, the left wall, the right wall, the top wall, the lower part of the front wall and the upper part of the rear wall are separately prepared from concrete, the upper part of the front wall is prepared from a material with a water-permeable function, and the lower part of the rear wall is prepared from a material with a water seepage function. Compared with a traditional kerb, the cleanable water-permeable hollow kerb for receiving the runoff provided by the invention can effectively absorb runoff rainwater formed by a road, avoid water accumulation of the road, slow down urban flood disasters, can supplement groundwater resources, provide moisture for green plants grown on two sides of the road, and reduce maintenance costs; and meanwhile a flushable structure is designed, so that backwashing of a high-pressure water gun canbe facilitated, the service life of the kerb can be prolonged, and the costs are reduced.

The invention relates to a vertically upward collected-rainwater infiltrating irrigation system with porous wicks for a green roof. The infiltrating irrigation system is located in a planting frame inwhich a vegetation layer, a soil matrix layer, a filtering layer and a water storage layer are provided in sequence from top to bottom. Porous wicks are further provided, including a long straight bar-shaped first porous wick and a ring-shaped second porous wick. One end of the first porous wick is connected with a plurality of long bar-shaped branch porous wicks, and the other ends of the plurality of branch porous wicks are communicated with the second porous wick, respectively, and are disposed on the second porous wick at intervals. The second porous wick is located in the soil matrix layer, and the first porous wick sequentially penetrates through the soil matrix layer and the filtering layer into the water storage layer. The vertically upward collected-rainwater infiltrating irrigation system with porous wicks for a green roof provided in the invention is characterized by water resource conservation, high water supply uniformity, space saving, low investment cost and the like while utilizing rainwater, as compared with an existing green roof irrigation mode.

The invention discloses a biological detention facility internal drainage system achieving rainwater dual-effect control and an implementation method. A drain pipe and a downflow weir are additionally arranged in a biological detention facility to serve as an auxiliary drainage facility so as to achieve the dual-effect control targets of regulation of the rainwater runoff volume and reduction of the peak flow. Bottom drain pipe and downflow weir design flow design steps are put forward according to the runoff volume in a sponge city construction technology guide and rainwater peak flow control standards in a specification for outdoor drainage design (2014 edition). A computing method of bottom drain pipe and downflow weir key parameters is obtained through reckoning according to related hydraulic formulas and rainfall characteristics in humid areas. By means of the method, the defect that in the past, people only take the runoff volume as the control target is overcome, and the method can serve as an important design basis of a southern humid area biological detention facility drainage system and provides a reference for sponge city facility construction in other areas.

A device for blocking a dike breach is used for rapidly piling and blocking the dike breach, and consists of a movable platform, a combined steel pipe pile, a support used for clamping the combined steel pipe pile, a fast-draining type piston impact pile driver, a fast-draining type heavy hammer impact pile driver, a power device and the like. According to the device, the dike breach can be blocked conveniently, about 90% of water can be blocked after the piling is finished, and is construction is rapid and convenient.