764results about How to "Improve the landscape effect" patented technology

The invention relates to an in-situ biological-ecological recovery integrated system for an urban river water body. The in-situ biological-ecological recovery integrated system is capable of effectively preventing the problems of unqualified fluvial cross section water body and aquatic ecosystem damage and further improving the landscape effect. According to the technical scheme adopted by the invention, the method is as follows: close-to-nature riverside buffer zones are constructed on side banks of a river reach from upstream to downstream; the river reach, at which the close-to-nature riverside buffer zones are positioned, is internally and sequentially provided with a pretreatment unit, a first ecological floating bed unit, a first ecological filtration dam unit, an aquatic plant unit, a second ecological floating bed unit, a second ecological filtration dam unit, a biomembrane-enhanced purification unit including a plug-flow aeration unit, a habitat improvement unit and an aquatic organism functional group construction zone from upstream to downstream. The in-situ biological-ecological recovery integrated system does not need to occupy land area except for a riverway, is stable in treatment effect, does not influence drawing off of floodwater in the riverway, can be used for solving the problems of unqualified fluvial cross section water body and aquatic ecosystem damage and improving the landscape effect, and has great economical and social benefits.

The invention discloses an external water interception and purification type urban river multi-element ecological embankment physical structural system. The urban river multi-element ecological embankment physical structural system comprises a first-class platform ecological embankment physical structural system, a second-class platform ecological embankment physical structural system and a slope ecological embankment physical structural system which are organically combined on a river bank slope, wherein the first-class platform ecological embankment physical structural system is provided with an urban surface source sewage runoff collecting groove, a groove type ecological concrete building block, a vertical first-class retaining wall and the like; the second-class platform ecological embankment physical structural system is provided with a sedimentation and purification tank, a current restriction baffle and the like; and the slope ecological embankment physical structural system is provided with a bedding, iconological concrete, a plant growth pad and the like. The urban river multi-element ecological embankment physical structural system effectively integrates water treatment functions such as rainfall surface source collection and purification, discharge port sewage interception and purification, physical absorption and filtration and plant absorption and purification on the premise that the stability and safety of bank slopes are maintained, ecological environments and landscapes of urban riparian zones are improved, and the self cleaning capacity of rivers is well played.

The invention discloses a method for restoring vegetations in a water-level-fluctuating zone. The method is capable of effectively preventing and controlling water and soil loss, intercepting and absorbing harmful chemical substances in a water body, reducing eutrophication of the water body and rapidly afforesting the water-level-fluctuating zone, and has the functions of fixing soil and retaining banks. The method comprises the following steps: 1) preparing soil of a riverside slope surface in a fluctuating zone, finishing the fluctuating zone along the contour line to form a step structure, and respectively digging a cuttage ditch on various steps of the step structure; 2) using nutrient soil to cover various cuttage ditches, inserting a plurality of living branch wooden piles, and connecting the adjacent living branch wooden piles on the same step by using a rope to form a whole, wherein planting grooves are formed between two rows of living branch wooden piles on the adjacent steps; 3) sequentially filling a lower mucky soil layer, a water supply layer, an upper mucky soil layer and a nutrient soil layer into the planting grooves from bottom to top so as to form a planting layer; and 4) respectively planting submerged plants, emergent aquatic plants and water-resistant tree shrubs in various planting grooves along the step structure from bottom to top, so that a three-dimensional vegetation restoring space is formed.

The invention relates to a water body purification system formed by stereoscopic configuration of aquatic animals and plants, which comprises a culture mesh box, wherein the culture mesh box is a box body of which the six surfaces are closed; the water surface above the culture net box is provided with an artificial floating island; the middle part of the net box is provided with a submerged plant layer; the artificial floating island comprises a floating plate; the floating plate is uniformly provided with through holes; culture basins are put in the through holes; emerging plants are planted in the culture basins; the floating plate is fixed through a cord and an anchor; the floating plate is further provided with a light transmission port; a frame is mounted at the light transmission port; submerged plant culture basins are hung on the frame through cords; submerged plants are planted in the submerged plant culture basins; and fishes are put in the culture net box. According to the invention, the aquatic plants and animals are organically integrated by the artificial floating island and the culture net box, so that an all-ecological stereoscopic water quality purification system is formed, thus effectively purifying a water body, and simultaneously creating a landscape and producing economic benefits.

The invention discloses an adverse-slope flat-plate treating and ecological restorative measure for refuse dump, which comprehensively optimizes and determines gradient, length of grade and width of flat plate of a refuse dump according to experiences, calculations and land using characters; slope cutting grades of accumulation slope of the refuse dump are designed into three grades, each grade of slope height is 9-11 m, the width of the slope flat plate is 4-6 m; the following slope ratios are included: the first grade is 1: (1.9-2.1), the second grade is 1: (1.7-1.8), and the third grade is 1: (1.4-1.60); the flat plate is treated into adverse slope type, the flat plate is leant toward the inner side slightly, and the adverse slope is in 2-5 degrees; the first and the second grades of slopes use masonry arch centers for planting grass, apron on base of slope, masonry slop flat plate and drainage ditch thereof, slope surface edge for designing and constructing; the third grade of slope applies vetiver revetment afforesting technique; Bahia grass is planted in the flat plate of the refuse dump firstly, for covering the flat plate and conserving water and soil in a short time via the characters of fast growing and barren resistance; and then fruit trees or crops are planted in the flat plate. The method takes engineering measures and biological measures comprehensively for guaranteeing safety of mine dump and achieving good ecological restoring effect and view result, and plants which adjust measures to local conditions are planted, and the cost is low.

The invention provides an ecological grass planting trench for cities with rich water resource, which is arranged on one side of a sidewalk road. The ecological grass planting trench sequentially comprises a vegetation layer, a planting soil layer, a building block brick layer, a water permeating and discharging pipe and a gravel layer from top to bottom. The ecological grass planting trench is arranged on one side of the sidewall road and used for collecting rainfall running water on the sidewall road, the pollutants in the running water can be reduced, and a purpose for locally purifying the running water and controlling the pollution of the running water can be achieved; the ecological grass planting trench is arranged between the sidewall road and a green land, so that not only is the landscape not influenced, but also convenience in construction can be realized; the rainfall running water is stopped in the gravel layer and gradually and slowly permeated, finally the water content of the soil of the green land is replenished, the rainfall running water can be completely absorbed and purified, and the water for irrigating the green land can be reduced; the lower end of the water permeating and discharging pipe is connected with a rainy water opening or a rainy water well, the other end of the water permeating and discharging pipe is closed, so that the collected rainfall running water on the sidewalk road can be collected into the rainy water opening or the rainy water well, and a purpose for reducing the rainfall running water and postponing the flood peak can be achieved.

The invention discloses an artificial wetland system taking oyster shell-waste brick-zeolite as composite filler. The invention relates to a sewage treatment device, and discloses an artificial wetland ecological treatment device applicable to the treatment of various sewages such as domestic wastewater, livestock and poultry breeding wastewater and landfill leachate. The system disclosed by the invention comprises a vertical undercurrent artificial wetland device and wetland filler, wherein the wetland filler is implemented in a large particle size grading difference 'obverse and reverse particle size mixing' filling mode and taking oyster shell, waste bricks and zeolite which are large in specific surface area, good in nitrogen and phosphorus adsorption capacity and high in volume of organism holding, so that the sustainable, efficient and stable operation of an artificial wetland ecosystem is ensured. The artificial wetland system disclosed by the invention has the advantages of low cost, low energy consumption, high nitrogen and phosphorus removal efficiency, small land-occupied area, simple structure, convenient operation management and the like, is not easy to jam, and can be combined with ecological construction and urban greening functions.

The invention discloses a technique for safe improvement as well as ecological repair and reconstruction of a mine soil discharge yard. The technique is implemented according to the following processes and steps: carrying out comprehensive optimization according to experience, calculation and land use properties to determine slope, slope length and flat pan width of the soil discharge yard, and designing slope cutting grade of an accumulation side slope of the soil discharge yard into three grades, wherein the height of each grade of slope is 9-11 m, the flat pan width of the side slope is 4-8 m, and the slope ratio is as follows: the first grade is 1:(2.0-2.1), the second grade is 1:(1.7-1.8) and the third grade is 1:(1.45-1.60); preparing the flat pan into a horizontal, slope or reverse slope type; and constructing the first-grade and second-grade side slopes by adopting grass planting in stone masonry arch rack, slope bottom apron protection, and designing mortar flag stone side slope flat pan and water discharge channel of the flat pan as well as slope edging, constructing the third-grade side slope by a vetiver grass slope protection greening technique, firstly sowing Bahia grass in the flat pan of the soil discharge yard with the seed amount of 15-25 g/m<2>, after sowing, maintaining and managing in time, checking seedlings and supplementing deficient seedlings, harvesting 1-2 times every year and maintaining seedling height of 20-30 cm when most stem tillers enter fringe-bearing flourishing growth stage, and planting fruit trees or crops in the flat pan after 1-2 years. In the technique disclosed by the invention, engineering measure and biological measure are comprehensively adopted to ensure the safety of the mine soil discharge yard and achieve good ecological repair effect and landscape effect; and plants adaptable to local conditions are planted and the cost is lower.

The invention discloses a campus rainwater ecological cleaning integrated-processing method and an ecological cleaning integration system. The method comprises the following steps: 1) establishing an integration processing system for processing campus rainwater in a campus in advance; 2) selecting a proper processing method according to ecological purification conditions of different water bodies in the campus; and 3) finally collecting rainwater processed in the step 2) to a landscape water body in the campus, or discharging into a river in the campus, or collecting into the underground water layer of the campus. The system comprises an undercurrent type artificial wetland system for processing campus initial-stage rainfall runoff, a shoreland-area closure system for processing campus storm runoff, an ecological floating bed-aeration plug-flow system for processing campus natural revetment river water body, an artificial waterweed-micropore aeration system for processing campus hard revetment river water body, and a biomanipulation-fountain aeration system for processing campus enclosed pond water body. The beneficial effects comprise that the purification effect is good, the cost is low, the resource utilization rate is high and the purification effect is lasting.

The invention relates to environmental engineering and water treatment technology, and aims at providing a solar micro-power self-watering dry type ecological floating island applied to ecological restoration of eutrophic water and beautification of landscape water. The invention integrates the advantages of microbial technology, ecological floating island technology and solar energy technology to remove organics, nitrogen and phosphorus in the eutrophic water; meanwhile, dissolved oxygen in the water can be increased and self-purification capacity of the water can be enhanced by a solar watering device, and thereby better ecological restoration effect is achieved. The dry type floating island can be planted with multiple kinds of plants, thus playing a good role in enriching the ecological system of the floating island and facilitating birds and fishes inhabiting the floating island, and providing sufficient conditions for the naturalization of the floating island without producing secondary pollution to environment.

The invention relates to a long-span tunnel overlapping carrying arch structure for an upper-soft and lower-hard stratum and a construction method thereof. The arch structure comprises an outer layer of arch-shaped primary support, two layers of arch-shaped primary supports, two arch springing longitudinal beams and an arch-shaped wall rock reinforcement ring, wherein the two layers of arch-shaped primary supports, the outer layer of arch-shaped primary support and the arch-shaped wall rock reinforcement ring are sequentially overlapped on a tunnel vault part from inside to outside. The arch structure has the characteristics of simplicity in structure, strong carrying capacity, better stress and waterproof properties, convenience for construction organization and good usage functions, and is capable of providing a wide operating space during a construction period and creating a comfortably open and closed underground space during a usage period. The construction method has the characteristics of simplicity in process and convenience for operation, and is capable of reducing construction safety risks, controlling stratum settlement very well, realizing large mechanical operation, improving work efficiency, saving construction costs and the like.

The invention discloses a mature seedling transplantation method for Zelkova trees, which belongs to a seedling transplantation method. The method includes the following steps: (1) choosing Zelkova trees at the seedling age of eight to ten years, digging up the seedlings, and carrying out moisture-preserving treatment; (2) pruning the branches of the Zelkova trees; (3) temporary planting and watering; (5) transplanting the temporarily planted Zelkova trees into new holes, sufficiently watering the planted Zelkova trees for just one time, and carrying out post-transplantation management at thelater stage. The mature seedling transplantation method for Zelkova trees can reduce the loss of the moisture of the transplanted seedlings through each link, meanwhile, the method carries out corresponding treatment to enhance the adaptability of the transplanted seedlings, and shortens the rejuvenation time after the seedlings are transplanted, consequently, the renewing capability of the seedlings are enhanced, the landscape effect is good, and the survival rate can reach 95 to 100 percent.

The invention discloses a rainwater penetrating-discharging integrated ecological system, which comprises penetration inspection wells distributed on the ground of residential areas, penetration drainage ditches which are in a network shape and connected on all the penetration inspection wells and transversal connecting pipes between the penetration inspection wells and the penetration drainage ditches. Permeable holes are formed on the side walls and at the bottoms of the penetration inspection wells, a gravel layer is laid in the peripheries of the penetration inspection wells, a layer of permeable geotextile is laid in the peripheries of the gravel layer, wellheads of the penetration inspection wells are provided with dirt-catching and sewage-blocking baskets therein and permeable well covers are covered on the wellheads; permeable holes are formed on the side walls of the penetration drainage ditches, the peripheries of the penetration drainage ditches are provided with the gravel layer, the peripheries of the gravel layers are provided with a layer of permeable geotexile, and the top parts of the penetration drainage ditches are covered with grate covers of the drainage ditches. The invention has the advantages of simple design principle and convenient construction. The invention can save water consumption, reduce rainwater runoff in a city and relieve municipal drainage pressure, thereby not only realizing early draining of rainwater, purifying water, but also realizing the penetration of rainwater, conserving underground water source and beautifying the peripheral ecological environment.

The invention discloses a device and a method for quality-based rainwater collection, treatment and utilization. The device comprises an early-stage rainwater pond (1), an early-stage rainwater treatment plant bed (2), a middle-later-stage rainwater enhanced treatment bed (3) and a clean water pond (4) which are arranged under the ground, wherein the upper part of the early-stage rainwater pond (1) is communicated with the middle-later-stage rainwater enhanced treatment bed (3), the lower part of the early-stage rainwater pond (1) is communicated with the early-stage rainwater treatment plantbed (2) and the middle-later-stage rainwater enhanced treatment bed (3) is communicated with the clean water pond (4). The separation of seriously polluted early-stage rainwater and middle-later-stage clean rainwater is realized. By confining the early-stage polluted rainwater in the early-stage rainwater pond, the middle-later-stage clean rainwater is prevented from being polluted. On the basis of further enhanced treatment of the middle-later-stage clean rainwater, the rainwater is collected and stored and is used for greenery irrigation, road sweeping and the like. The resource utilizationof the rainwater is realized and the water resource is saved.

The invention discloses a shore type ladder-grade two-dimensional surface flow water filtering riverbed in-situ ecological remediation method. A riverbed space is utilized sufficiently, and the section of the riverbed is designed into functional regions including a central main river tank, a ladder-grade two-dimensional surface flow base bed, a shore water distribution ditch and the like in sequence from inside to outside, and a certain water level gradient is kept. A river vertical hydraulic gradient and an upstream residual position water head are utilized to arrange facilities including a water distribution short dam and the like at an inlet end of a remediation unit; water from a riverbed upstream is distributed to the shore water distribution ditch and the central main river tank according to the ratio. Water distribution weirs are uniformly distributed on the inner side of the water distribution ditch and are used for distributing the river water to the ladder-grade two-dimensional surface flow base bed; the river water flows through the ladder-grade base bed in a manner similar with a transverse flow regime vertical to a central line; the base bed is internally filled with substances and aquatic plants are planted to establish a complete ecological system; meanwhile, water quality is strengthened and purified and a river ecological system is remediated; the water discharged from the base bed is collected to the central main river tank so that the in-situ ecological remediation of a shore type ladder-grade two-dimensional surface flow water filtering riverbed of one unit is finished.

The invention discloses a purifier for ecological restoration of a water body. The purifier comprises a floating island in the air, a floating island on the water and a floating island beneath the water, wherein the floating island in the air comprises a supporting framework and terrestrial plants arranged on the framework, the floating island on the water comprises a floating island unit and emergent plants, the floating island beneath the water comprises a microorganism biofilm forming member and submerged/floating-leaved plants, the floating island unit comprises a planting area for the emergent plants and a planting area for the submerged/floating-leaved plants, the supporting framework is arranged on a planting area for aquatic plants, the microorganism biofilm forming member is hung below the planting area for aquatic plants, and the submerged/floating-leaved plants are arranged in the planting area for the submerged/floating-leaved plants. The invention has the following advantages: a stereo ecological environment can be constructed according to growth needs of different plants, air in and above a water body can be purified at the same time, easy attachment of microorganisms is realized, which is beneficial for establishing good ecological balance, a multi-level structure has strong adaptability, and abundant landscape effects can be obtained.

The invention discloses a large-scale magnolia grandiflora container seedling cultivation and planting method. The large-scale magnolia grandiflora container seedling cultivation and planting method is characterized by sequentially comprising large-scale magnolia grandiflora container seedling cultivation and nursery stock planting, wherein the large-scale magnolia grandiflora container seedling cultivation sequentially comprises the following steps: selecting a container, selecting a field, preparing a substrate, sterilizing the substrate, selecting and treating plants, placing the container, planting the container seedlings, watering and performing maintenance management; and the nursery stock planting sequentially comprises the steps of lifting the seedlings, removing the container, transporting, performing land preparation, planting, planting and watering, fixing the nursery stocks and performing maintenance management after planting. By utilization of the advantages of strong regeneration capacity, high growing speed, short slow seedling period and high transplanting survival rate of the container seedling roots, the large-scale magnolia grandiflora container seedling cultivation and planting method has the beneficial effects of low cultivation difficulty, high transplanting survival rate and good visual effect.

The invention relates to the technical field of soil remediation, and provides a remediation method and device for heavy metal contaminated soil. The contaminated soil is isolated in situ, an isolation area is formed, and the contaminated soil does not need to be transferred; the isolated contaminated soil is leached by adopting an eluting agent, the content of the heavy metals in leaching liquidis regularly detected, the leaching liquid is extracted from the isolation area after the content reaches a set value, a soil sample is collected regularly for detection in the leaching process, leaching is stopped after the soil sample passes detection, and thus the preliminary treatment and purification are carried out on the heavy metal contaminated soil in situ; and an improvement agent is added to the soil of the isolation area after leaching is stopped, remediation plants are planted on the soil after the improvement agent is added and are used for performing ecological remediation, andthus further remediation and purify are carried out. According to the remediation method and device for the heavy metal contaminated soil, the remediation cycle of the contaminated soil is greatly shortened by the dual remediation effects, moreover, a good landscape effect is achieved while remediation achieved, and the durability of the remediation effect is realized.

The invention relates to a plant configuration used for urban road traffic noise reduction. Configured plants comprise evergreen tree species, deciduous tree species, evergreen shrub species, deciduous shrub species and a lawn, wherein the evergreen tree species comprise Cinnamomum camphora and Ligustrum lucidum; the deciduous tree species comprise gingko, Zelkova serrate and Prunus cerasifera; the evergreen shrub species comprise sweet-scented osmanthus and oleander; the deciduous shrub species comprise Hibiscus syriacus L, Chinese redbud, flowering peach and multiflora rose; and the lawn is a Manila lawn. The evergreen tree species, the deciduous tree species, the evergreen shrub species and the deciduous shrub species used for the plant configuration are called by a nursery stock and respectively come from a nursery garden. The plant configuration used for the urban road traffic noise reduction has the advantages that the environment is beautified; the service life is long; the operability is strong; the landscape property is good; the ecological value is high; the cost is low; planting and maintenance are easy; the noise reduction effect is good; and the noise reduction function is efficient. Better noise reduction can also be performed on zones of which road green belts are not sufficient or stained in width because of the limitations of geographic locations or the ambient environments, and a very good action is performed in creating an urban favorable living environment.

The invention relates to a biological purification dam. The biological purification dam comprises a dam body which is transversely arranged in a river lake, wherein gabion filtering layers formed by stacking gabion units are respectively arranged on a river side and a land side of the dam body; the inner part of each gabion unit is filled with biological aggregate; a filtering material filling layer formed by filling the biological aggregate is arranged at the inner side of each gabion filtering layer; the biological aggregate comprises construction waste aggregate and a biological film which is attached to the outer side of the construction waste aggregate and is formed by a microbial agent. According to the biological purification dam disclosed by the invention, microorganisms are produced into the biological film which is attached to the surface of a carrier; the carrier carrying the microorganisms is arranged in a direction of being vertical to a river; a retaining dam is formed in a river channel; when river water flows through a retaining dam layer, the microorganisms in the biological film start to act for performing purifying and pollution cleaning on the river water, so that ammonia nitrogen and organic pollutants in a water body are effectively removed, and the self-cleaning capacity of the river is enhanced; an environment of naturally purifying can be provided for the water body of the river channel, a necessary habitat environment also can be provided for aquatic animals, the eutrophication of the water body is prevented, and a landscape effect of the river channel is improved.

The invention discloses an ecological restoration structural system and a restoration method for a lakeside zone. The ecological restoration structural system for a lakeside zone is provided with a planting plant zone and a physical substrate zone in sequence along a direction from a bank slope to a lakeside center, and a wave resistance device is arranged in an arranging region of the planting plant zone. According to the ecological restoration structural system and the restoration method for a lakeside zone, the ecological physical substrate is built in the lakeside zone, and the problem of harmonious coexistence of aquatic plants and the physical substrate is effectively solved.