48 results about "Overbank" patented technology

The invention discloses an ecological restoration method for a municipal eutrophicated river. The method comprises the following steps: arranging a barring and controlling water level system at a barring and controlling water gate of the river; in the main stem of the river, piling cubic meters of earth obtained after desilting to form an along-river gentle slope and a river-center island, wherein a bank slope ratio is 1: 2.5 to 1: 5, and a shoal water zone and a deep and broad water zone are successively formed from a dam of the river to the center of the river; carrying out rock mound type and jack-like concrete block type bottom shape reconstruction on the slope surface of the along-river gentle slope; constructing embankment-zone aquatic plant zones at the river-center island and the along-river gentle slope having undergone bottom shape reconstruction and constructing a plant floating bed bio-zone in an along-river zone; and releasing filter-feeding and omnivore fish, shellfish and shrimps. With the restoration method provided by the invention, the water quality of the river is improved from class IV and V to class III or a higher class; biodiversity of a water area is increase by more than 2 times; the river has better capability in smooth regulation of water storage and flood discharge; and a water system has the further improved functions of underground water supplement, carbon immobilization, oxygen release, climate adjustment, water conservation, etc.

The invention discloses a hidden-buried sewage interception facility inside a river bank, which comprises a confluence pipe disposed inside a bank. A river closure well which is communicated with the confluence pipe is further arranged inside the bank, the river closure well is provided with a sewage interception pipe and an overflow pipe, the sewage interception pipe extends to the lower side of a river, the overflow pipe extends to the river, a grid is arranged between the river closure well and the sewage interception pipe, and a flap valve is disposed on the overflow pipe. by the aid of the hidden-buried sewage interception facility, the problem that the first rain pollutes the river is prevented, the problem of recharge of a large quantity of rainwater when in rainstorm is also prevented, and the hidden-buried sewage interception facility has the advantages of simple structure, convenience in construction, flexibility in arrangement, convenience in running and management and the like.

The invention relates to the field of ecological environmental protection and particularly relates to an embankment vegetation planting machine for ecological restoration of rivers and lakes. The machine comprises a shell, a driving mechanism and an actuating mechanism. The shell is used for carrying the driving mechanism and the actuating mechanism and providing a hand-held end and a seed circulating channel; the driving mechanism is loaded outside the shell and is used for driving the actuating mechanism at a particular period of a ground contact process; the actuating mechanism is loaded inside the shell, is mechanically connected with the driving mechanism and is used for opening the channel, which is used for seeds to flow into soil, under the driving of the driving mechanism. According to the embankment vegetation planting machine for the ecological restoration of the rivers and lakes, the aim of manually feeding the seeds into viscous soil can be achieved; a component for buffering is designed in view of the viscous characteristic of the viscous soil so as to reduce drag when the machine is lifted from the soil; the machine is simple and reasonable in structure, portable inuse and easy in operation.

The invention discloses a river and lake dike protection method implemented by fixing vegetation through straw and grass blankets. The method comprises the following steps that 1, the straw and grass blankets are processed, wherein each straw and grass blanket comprises a surface mesh, a bottom mesh, a nutritive water-retention soil layer, packing paper, a straw layer and a grass seed sowing layer, and the thickness of each nutritive water-retention layer ranges from 8 millimeters to 20 millimeters; 2, a slope of a river and lake dike is neatened; 3, the straw and grass blankets are laid; 4, the straw and grass blankets are anchored, wherein the straw and grass blankets laid in step 3 are anchored to the slope of the river and lake dike through U-shaped bamboo anchoring components, one or more bamboo anchoring components are used in each square meter, one or more bamboo anchoring components are arranged every one meter at the overlapping position of every two adjacent straw and grass blankets, and the width of each bamboo anchoring component ranges from 10 millimeters to 50 millimeters. By means of the river and lake dike protection method, sufficient reutilization of straw can be achieved, and furthermore, vegetation greening for the protected river and lake dike can be achieved.

The present invention displays a map, let a user to input a starting point and an ending point in a bank breakage section on the map, and shows a broken place on the map with a line connecting the starting point and the ending point. Further, the present invention calculates the direction of the flow quantity in bank breakage by calculating the normal line to the side of the inside area of the bank at the input broken place and make the it discrete in the calculation grids of the inundation simulation.

The invention belongs to the technical field of revetment design for rivers, lakes and other landscape water bodies, and discloses a vertical revetment. The vertical revetment is arranged between a water area to be protected and an upright embankment of the water area to be protected and is formed by combining and assembling a plurality of inserts. Each insert comprises a box body, a culture medium and cultivation through holes formed in each box body. The culture mediums are arranged in the box bodies and are used for cultivating ecological plants. The ecological plants are located on the outer side of the box bodies and are cultivated on the culture mediums through the cultivation through holes. The box bodies with the culture mediums are arranged so that the problem of the ecologicalization of the vertical revetment can be solved; the cultivation through holes are formed so that the effect of effectively fixing and supporting the ecological plants to be cultivated can be achieved, and therefore the vertical revetment can be safer and more reliable. In addition, the multiple inserts of the vertical revetment are combined and assembled so that maintenance and management can be easy.

The invention discloses a method for preparing multi-level pollution-resistant plants and microorganisms in shallow lakes, wherein the method includes the steps: (1) construction of an infrastructure:constructing a gradient water level ecological unit by utilizing river networks located near the shallow lakes and connected with the shallow lakes; (2) preparation before configuration: adding a filler in a purification area; arranging embankments at lake coasts, river coasts and layered overbank coasts, and burying a soil hardener loaded in a mesh bag in soil near the embankments; (3) microbialpreparation: laying fiber nets on lakes and rivers, and sowing decontamination microbial agents near the fiber nets; and sowing large filamentous green algae to a purification area; (4) plant preparation: arranging submerged plants, floating plants and emergent plants to various areas reasonably; and (5) dynamic regulation: dynamically replenishing seeds or salvaging plants or microorganisms. Thesteps are convenient and simple, the dynamic evolution of an ecosystem is promoted, a multi-level anti-pollution hierarchical structure of a wetland is formed, and the method has high practicality and wide application.

The invention provides an artificial wetland system with self-adaptive sewage flow and is applied to the technical field of sewage treatment. The system comprises a water distribution ditch (9), an overflow wall (8), a gravel ditch (1), an artificial wetland module (5), a water guide pipe (3), a water guide ditch (4) and a monitoring well (10). The multi-module artificial wetland system is used, series-parallel connection modes can be automatically switched to control the operation mode of wetland according to different water amount conditions, blockage of wet substrates and short flow and overbank flow of sewage are effectively prevented, and the hydraulic load impact resistance of the wetland system is enhanced; besides, when the sewage flow is large, the contact opportunity of sewage and air is increased through overflow, the sufficient dissolved oxygen amount is kept, and virtuous circulation of substances in a water body is promoted. The artificial wetland system is complete, stable, simple and less in investment, does not need external power, and is especially suitable for being applied to actual engineering of sewage treatment.

The invention discloses an overbank flow floodplain and channel excess flow computing method. According to the method, a computing formula of floodplain and main channel excess flow is built, and the floodplain and channel excess flow ratio in the computing formula is closely related to the water depth ratio, the width ratio and the roughness factor ratio. In order to determine a mutual relation, a compound section transverse distribution flow mathematical model is adopted for computing the floodplain and channel excess flow under different conditions, the relational expression between the floodplain and channel excess flow ratio and the water depth ratio, the relational expression between the floodplain and channel excess flow ratio and the width ratio, and the relational expression between the floodplain and channel excess flow ratio and the roughness factor ratio are obtained through analysis, and finally the overbank flow floodplain and channel excess flow is comprehensively obtained through the computing method. According to the computing method, when fluvial cross section conditions are certain, the floodplain and channel excess flow can be rapidly obtained according to the forecast cross section flow, and a basis is provided for planning and utilization of floodplain and water resources.

The invention provides three-dike two-passage reinforced surface flow artificial wetland and an operation method of the three-dike two-passage reinforced surface flow artificial wetland. The artificial wetland comprises a bed body and a substrate, wherein the inside of the bed body is filled with the substrate; the cross section of the bed body is in a rectangular shape; the bed body is inclined from the water inlet end to the water outlet end in the length direction; two ditches are arranged in the substrate to form three dikes including a left side dike, a middle dike and a right side dike. According to the operation method, (1), when the height of the middle dike is lower than that of the left side dike and the right side dike, the submerging operation is adopted; (2) when the height of the middle dike is greater than the height of the left side and the height of the left side dike, the non-immersing operation is adopted; (3) when the height of the middle dike is identical to the height of the left side dike and the height of the right side dike, dry and wet alternate operation is adopted. The structure of the artificial wetland is changed; the sewage treatment area and the biodiversity are increased; the defects of great occupied area and low efficiency of the artificial wetland are overcome; meanwhile, after one passage is changed into two passages, the dry and wet alternate operation of the treatment process can be realized; the biodiversity is realized; the sewage processing efficiency is obviously improved.

The invention discloses a combined cascade purification system for ecological tree pools and biological detention pools on river and lake bank slopes, which comprises multiple-stage purification structures, each-stage purification structure is connected in series in multiple steps from top to bottom, and each-stage purification structure outputs purified water to outside through a water outlet pipe at the bottom to a next-stage purification structure until a river and lake terminal water body; each purification structure is an ecological tree pool or a biological detention pool, the functionsof multiple interception of pollution, water purification and water storage can be realized, and finally clean water sources are supplies to the river and lake water body, thus solving the problem ofnon-point source input leading to water pollution in the river and lake. According to the invention, a river and lake bank cascade pollutant interception and purification system with different landscape levels is constructed, the omni-directional interception of runoff pollution input from the river and lake bank slopes is realized, the interception and purification effect is greatly enhanced, andthe problem that excessive overflow rainwater can not be intercepted and purified well is well solved.

The invention discloses a river ecological bank protection system formed by triangular pyramidal wood pile stone cage frames. First and second type wood pile stone cage frames are respectively fixed in a non-turning place and a turning place of a river channel, and respectively consist of three wood piles, gravels and nylon nets; a large gravel layer and a small gravel layer are arranged in the first type wood pile stone cage frame; and a large gravel layer, a small gravel layer, a ceramic particle layer and a charcoal coating layer are arranged in the second type wood pile stone cage frame. The construction method comprises the steps of: a) embedding of wood piles; b) binding of the wood piles; c) setting of nylon nets; d) filling of the first type wood pile stone cage frame; e) filling of the second type wood pile stone cage frame; f) planting of aquatic plants; and g) setting of artificial aquatic plants. The river bank protection system and the construction method thereof achieve an effect of river bank protection, and enhance the river self-purifying capacity and the multi-natural landscapes through an absorbing effect of the ceramic particle layer and the charcoal coating layer on nitrogen, phosphor and organic matters in water.

The invention relates to a mosquito-proof device for a river embankment, which comprises a floating ring, wherein the floating ring is arranged on the central water surface of the river embankment; a water area encircled by the floating ring is arranged as a mosquito-luring chamber; a space is above the mosquito-luring chamber and is isolated by a top cover and an air window to be an eclosion chamber; a solar-cell panel is arranged on the center of the top cover; a mosquito-luring lamp is arranged under the solar-cell panel; a fixing rope is fastened under the floating ring and can be used for preventing drifting and shifting; the river embankment which is constructed into step shape by using concrete can be used for efficiently absorbing sunlight so as to increase the water temperature; by daylight, because the mosquito larvae cannot tolerate the high temperature of shore-side water, the mosquito larvae swim into the cool mosquito-luring chamber in order to find food and breathe; at night, the mosquito larvae are lured into the mosquito-luring chamber by the lighted mosquito-luring lamp; the mosquito larvae pupate in the mosquito-luring chamber; tumblers turn into adult mosquitoes, fly into the eclosion chamber and cannot escape; batrachia can keep watch on a mosquito-catching platform in the mosquito-luring chamber or a watching platform on the floating ring for catching mosquitoes or winged insects; and by widely arranging the mosquito-proof device for river embankment in the residential area and landscaped area popular with malaria, the malarial mosquito multiplication can be efficiently controlled and the malaria can be prevented from spreading.

The invention discloses an overbank flow foundation self-collapse dam geotextile emergency flood bypass, and belongs to the field of hydraulic engineering of emergency spillway projects and national defense of dams dealing with water attacks. The emergency flood bypass mainly comprises an overbank flow foundation self-collapse dam designed according to an overbank flow foundation self-collapse damdisaster prevention and damage reduction design theory. The overbank flow foundation self-collapse dam (1) comprises overbank flow foundation secondary self-collapse dams and overbank flow foundationwater guiding and pollutant flushing self-collapse dams. Protective surfaces of geotextile of the geotextile emergency flood bypass (2) comprise the geotextile scale-shaped protective surface (II-a),the geotextile belt passing scale-free protective surface (II-b), the concrete plate armour geotextile belt passing scale-free protective surface (II-c), the chemical fiber rope net loose-stone armour geotextile belt passing scale protective surface (II-d) and the L-shaped geotextile belt passing geotextile scale-shaped protective surface (II-e). The emergency flood bypass is suitable for a reservoir auxiliary dam, a main dam, a high dam and a high ditch head barrage, capable of achieving controllable and automatic emergency flood diversion, simple in structure, convenient to implement, low in manufacturing cost, safe, reliable and free of permanent land occupation.

The invention relates to the field of pond returning for recovery of forests and wetlands and discloses a method for returning ponds for recovery of forests and wetlands. The method comprises the steps of selecting the fish ponds with the bottom elevations lower than a high tide line, forming gaps to completely or partially discharge water in the fish ponds, and then selecting mangrove plant seedlings for planting according to different elevations, wherein pioneer tree species are mainly planted in a middle-low tide zone, kandelia candel and/or rhizophora stylosa is planted in a middle tide zone, at least one of bruguiera gymnorrhiza, bruguiera sexangular and ceriops tagal is mainly planted in a high tide zone, and at least one of excoecaria agallocha, lumnitzera racemosa and semi-mangrove plants is mainly planted on the banks of the fish ponds. By adopting the provided method for returning the ponds for recovery of forests and wetlands, not only can the survival rate of afforestation be increased, but also the manufacturing cost is reduced, the heterogeneity of the ecological environment can also be obviously improved, and a foraging and habitat space is created for birds, fishes and benthic animals; the requirements of a wetland remediation principle which adopts ecology as the top priority, natural remediation as the main content and artificial auxiliary remediation as the auxiliary content are met, and the wetland remediation purpose of building forests and wetlands on appropriate sites is achieved.

The invention discloses a method of purifying an artificial wetland of a streamside zone of cadmium-polluted irrigation water. The method comprises the following steps: A, site selection: selecting a stream segment, the water flow of which is relatively low and the distance from which to an irrigation water intake is relatively short; B, channel reinforcement: performing reinforcement with grouted rubbles on the left and right sides of the channel, and keeping the flood flowing function of the original channel; C, slope renovation: reinforcing the bases of the left and right banks with grouted rubble retaining wall; D, channel dredging: transforming the basement for silt; E, wetland bed filling: successively filling quick limestones, clinoptilolite, slag, river sand and soil in layers from bottom to top; F, new construction of a submerged dike: constructing the submerged dike at the tail end of the artificial wetland, connecting to a downstream channel, and forming prefabricated sediment flushing outlets in the middle of the submerged dike; G, plant configuration; and H, maintenance management of the artificial wetland. According to the method, croplands are not occupied, the removal efficiency is high, the operating cost is low, the method is easy to operate and manage, and the demand on purifying an irrigation water source in heavy metal pollution repair of cultivated lands is met.

The invention belongs to the technical field of underwater pipeline construction, and particularly relates to a mounting method of water taking siphonage pipelines of inland lakes. The mounting methodcomprises a road section construction method and an underwater section construction method, and the road section construction method is conducted according to a conventional construction method and comprises the procedures of trench excavation, pipeline pairing, pipeline welding, pipe burying, backfilling, road surface restoring, pipeline connecting, connection opening connecting, backfilling andthe like; and the underwater section construction method is composed of the procedures of trench excavation, siphonage pipeline assembling, siphonage head positioning and hoisting, underwater immersed pipe mounting, backfilling, and connection opening connecting of road section pipelines and underwater section pipelines. According to the mounting method of the water taking siphonage pipelines ofthe inland lakes, the problem of difficult over-water operating of mounting of the water taking pipelines away from an embankment is solved, the self-strength of the water taking pipelines serves as support, operation is simple and convenient, and the cost is low.

The invention discloses a ravine stream type fishway comprising a gravel bed bottom. The left side and the right side of the gravel bed bottom are each provided with a first gabion bank. The first gabion banks on the left side and the right side are each provided with a second gabion bank. The fish passing space distance between the first gabion banks on the left side and the right side is smallerthan that between the second gabion banks on the left side and the right side. The ravine stream type fishway can meet requirements of different fishs, meanwhile a rest and playing place is provided,the water-permeable gravel bed bottom and the gabion banks can improve microhabitat and provide corresponding bait, the ravine stream type fishway is little influenced by the environment, and the occupied space is small.

The invention discloses a sedimentation process based river facies reservoir random modeling method, comprising the following specific steps: step 1, gridding of a geologic model; step 2, statistics of original sedimentary body lithofacies distribution; step 3, simulation of a sedimentation process and sedimentation recording; and step 4, monitoring, termination condition and adjustment methods for the simulation process. According to the method, firstly, the simulation of the river facies sedimentation process is completer and an evolutionary process for each sedimentation element of a river facies reservoir can be represented more finely; secondly, hierarchical restriction is adopted for satisfying an on-well statistical result to the maximum extent, and river facies ratio is adopted for restricting the whole simulation process; and finally, restriction is performed again according to bank facies and overbank facies, so that a simulation result can be closest to on-well data, a representation result is more accurate and fine and is closer to a real underground condition, and better services are provided for fine description of the reservoir.

The invention relates to a tidal reach staggered-press-foot narrowed ecological river course. The tidal reach staggered-press-foot narrowed ecological river course comprises a river course body defined by banks on the two sides, a plurality of riprap press foot piles are arranged on the river course body, and all the riprap press foot piles are arranged in a staggered mode in the direction of the banks, so that an S-shaped river channel is formed in the river course body. Through the riprap press foot piles arranged in the river course body in the staggered mode, the river channel can be narrowed to be shaped like S under working conditions of small flow, specially under working conditions of tidal reaches and reversing currents, the flow velocity and the water depth of the river channel are increased, the water flow forms are enriched, a more diversified bank foot animal and plant habitat is provided, and the ecological landscape effect of the river course is improved. The tidal reach staggered-press-foot narrowed ecological river course can be applied to rive improvement under working conditions of small flow.

A river channel slope protection green belt comprises first embankments located on two sides of a riverbed. A first embankment slope extending upwards is obliquely arranged at the top of each first embankment; a second embankment parallel to one first embankment is arranged at the top of each first embankment slope; a second embankment slope extending upwards is obliquely arranged at the top of each second embankment; a water storage tank is arranged at the top of each second embankment slope; stone steps are arranged on the first embankments and the second embankments; civil cloth is laid onthe first embankment slopes and the second embankment slopes; planting grooves which are evenly distributed are formed in the civil cloth; the height of the stone steps is not greater than that of theplanting grooves; and the planting grooves are fixed through fixing pieces. The planting grooves are convenient to distribute and implement, the structure is stable, the planting grooves can be stably fixed to slopes, in addition, water can be conveniently taken for irrigation from top to bottom through an arranged water storage tank irrigation system, water resources are saved, and plants can benursed through the stone steps and the steps on the embankments.

The invention discloses an urban continental river ecology and embankment garden landscape comprehensive treatment method and relates to the technical field of continental river ecological treatment. Hydraulic lifting dams arranged on a riverway, stilling pools, surface flow wetland, ecological gabion revetments, reinforcing dams on the two shores, ecological green land and garden landscape greening parts, a greening irrigation pipe network, a field control device, a remote monitoring control system and auxiliary facilities are included. The urban continental river ecology and embankment garden landscape comprehensive treatment method has the beneficial effects that the quality of the regional ecological environment and the quality of the aquatic ecological environment are overall improved, the operation cost is low, the ecological environment effect is significant, the purpose of maintaining ecological balance is realized, the current ecological situations of continental river in northwest alpine regions can be effectively improved, meanwhile, the coverage proportion of urban green land is increased, virtuous ecological circulation is formed, ecological sustainability and stability are ensured, and the overall urban environment quality is improved.