45results about How to "To achieve the purpose of ecological restoration" patented technology

The invention discloses an artificial macroalgae field in a mixed seawater area and a construction method thereof. The artificial macroalgae field comprises an artificial algal reef, and at least one layer of flexible artificial algal bed is arranged on the artificial algal reef; the artificial algal reef is a hollow triangular prism-shaped or triangular pyramid-shaped prefabricated member and provided with mooring rope fixed holes, and a seedling net is sleeved on the surface of the artificial algal reef; and the flexible artificial algal bed comprises a square framework formed by framework ropes, the square framework is provided with a float and at least provided with a seedling rope in longitudinal, the total buoyancy of the float is larger than the gravity of the flexible artificial algal bed, and the mooring rope is arranged on each corner of the square framework and fixedly connected with the mooring rope fixed holes. The invention is the artificial macroalgae field in the mixed seawater area, which has the characteristics of strong sea current resistance, high sand coverage resistance of mud, and high algal field efficiency. The constructed artificial algal field is stable and stereoscopic, is suitable to the characteristics of the mixed seawater area, can be adnated with larger biomass of macroalgae of more species groups and, and lays foundation for the ecological restoration of the mixed seawater area.

The invention discloses a composite material with water retention and fertilizer maintenance effects. The composite material is compounded by clay minerals, peat, humic acid, a water retention agent and inorganic fertilizer which serve as raw materials and is mainly used for resisting drought and storing water for desertificated land and improving soil. According to the composite material disclosed by the invention, the organic matter content of a sandy land can be increased, the water retention and fertilizer maintenance properties are improved, and growth of plants is facilitated, so that the aim of ecological recovery is fulfilled; all the raw material components can be naturally degraded; on the premise that the granular structure of the soil is improved, the saline-alkali content is reduced and nutritional components necessary to the growth of the plants are increased, secondary pollution to the environment is avoided; the raw materials is readily available, the preparation technology is simple, the cost is low, and large-scale production is facilitated.

The invention belongs to the technical field of geological environment evaluation, and discloses an intelligent mine geological environment information evaluation method and system. The method comprises the steps: collecting mine geological environment data and geological parameter data; the mine geological environment evaluation system is controlled through the main control computer; analyzing the environment state information, comparing the mine geological parameters with normal indexes, and performing restoration, evaluation and mine subsidence early warning on the mine geological environment; and storing and displaying the mine geological environment image, the geological parameters and the evaluation result. Starting from two factors of soil and vegetation influencing ecological restoration of the mine, ecological zoning is conducted on the mine to be restored through data collection by means of the ecological restoration module, proper soil improvement and vegetation coverage measures are selected, and the purpose of ecological restoration of the mine is achieved; and the InSAR monitoring result is corrected by adopting high-precision level data through the early warning module, so that the accuracy of the three-dimensional deformation monitoring result of the mining area is greatly improved.

The invention provides an ecological restoration method of a slope surface-irregular high and steep rocky slope and application. The ecological restoration method of the slope surface-irregular high and steep rocky slope is simple in process and low in cost; a fixed planting substrate is adopted to combine with a flexible protecting net for unit decomposition of the high and steep rocky slope withan irregular slope surface badly fluctuated; the fixed planting substrate is fully stabilized; and the purpose of ecologically restoring the high and steep rocky slope is comprehensively achieved. The ecological restoration method of the slope surface-irregular high and steep rocky slope is particularly suitable for ecological restoration of the high and steep rocky slope with the irregular and fluctuated slope surface formed by improper blasting excavation construction or mine exploitation and sand factory construction, and is high in operability, low in cost and excellent in repair effect.

The invention discloses a method for ecological restoration of solid waste yards including heavy metal residues and toxic chemical waste. Its feature is that it comprises the following steps :( 1) the solid wastes in the yards are mixed uniformly with fixing agent and water, and then rolled in compaction. (2)In the process of compaction, the center position of yards is the high spot, the slope gradually tilted to the surrounding with a degree more than 5 degrees less than 45 degrees; (3) after the compaction of solid wastes,an impervious layer is placed on the solid wastes, then pile and compact the clay of thickness of 10 cm - 20 cm on impermeable layer; (4) a sand layer of thickness of 1 cm to 3 cm is placed and compacted on the compacted clay;(5) soil of cultivation of thickness of 30 cm - 45 cm is laid on the compacted sand layer, trees or grass seedlings are planted on the soil of cultivation ; the invention adopts the non-woven fabric and waterproof blanket in the clay to closed solid waste ,pollutants is effectively prevented from leaking into the water and spreading out; Grass and trees are planted on top of the cultivated soil to achieve the goal of ecological restoration of solid waste yards.

The invention discloses an ecological restoration method for a slope in a typical grassland area. The ecological restoration method comprises two parts of gentle slope ecological restoration and inclined slope ecological restoration. According to the gentle slope ecological restoration, indigenous plants including aneurolepidium chinense, elymus sibiricus, achnatherum splendens, artemisiafrigida willd, calamagrostis epigeios, elytrigia repens, astragalus adsurgens, melilotoides ruthenica, hordeum brevisublatum, oxytropis myriophylla, bromus ciliatus, koeleria cristata, hierochloeglabra and bromus inermis are planted in a gentle slope area of the typical grassland area for ecological restoration in two modes of single sowing planting and mixed sowing planting. According to the inclined slope ecological restoration, indigenous plants including aneurolepidium chinense, aneurolepidium dasystachys, elymus sibiricus, puccinellia tenuiflora, agropyron cristatum, achnatherum splendens, artemisia halodendron, artemisiafrigida willd, calamagrostis epigeios, elytrigia repens, astragalus adsurgens, melilotoides ruthenica, oxytropis gracillima, oxytropis myriophylla and hordeum brevisublatum are planted in an inclined slope area of the typical grassland area for ecological restoration in two modes of single sowing planting and mixed sowing planting. According to the method, the cold-resistant local plants are adopted to complete ecological restoration, the cost is low, and the survival rate is high.

The invention discloses an agricultural-piscatorial comprehensive planting-breeding method used for saline and alkaline land and relates to a saline and alkaline land improving method, in particular to adopted agricultural-piscatorial comprehensive planting-breeding saline and alkaline land and aims to solve the problem that an existing saline and alkaline land improving method is low in improvingefficiency, large in construction scale, high in investment, operation and maintenance cost and poor in improvement effect. The agricultural-piscatorial comprehensive planting-breeding method used for saline and alkaline land comprises the steps of saline and alkaline land layout, soaking and flushing, breeding pond preparation, fingerling stocking, breeding management including feeding putting,water oxygen content control, water quality regulation and control, periodical adding of bacillus powder towards breeding ponds, and soaking and flushing of a plurality of plot to be treated by utilizing pond breeding water in the breeding ponds. The agricultural-piscatorial comprehensive planting-breeding method is used for improving the saline and alkaline land.

The invention discloses a heavy metal contaminated soil degradation harmless treatment method which comprises the following steps: S1, detecting and analyzing heavy metal contaminated soil, and determining the dosage of a heavy metal contaminated soil degradation repairing agent; S2, preparing the heavy metal contaminated soil degradation repairing agent; S3, leaching; S4, applying the heavy metal contaminated soil degradation repairing agent, and performing ploughing and mixing; S5, planting plants which are suitable for local growth and have enrichment capacity; and S6, detecting until the heavy metal content in the soil reaches the safety standard. Harmless treatment of the heavy metal contaminated soil is achieved, and the requirements of resource utilization, soil replacement and landfill are met; the technology application range is wide, and the method is suitable for remediation of various soils contaminated byheavy metals,including chromium, hexavalent chromium, lead, zinc, copper, chromium, nickel, mercury, arsenic and the like; the technical operation is simple and convenient, the repairing time is short, the capacity increase is less, secondary pollution is avoided, and the cost is lower; and the resource utilization of the polluted soil can be realized, and the repaired soil is suitable for various purposes.

The invention discloses an ecological wetland device which is characterized by comprising a protection system (1), a purification system (2) and a control system (3), wherein the purification system (2) and the control system (3) are arranged in the protection system (1); the protection system (1) comprises an outer basin (11); an inner basin (12) is arranged in the outer basin (11); a plurality of holes (18) are formed at the bottom of the inner basin (12); a support shaft (13) is vertically arranged in the center of the inner basin (12); and a support platform (14) for accommodating the control system (3) is arranged in the middle of the support shaft (13). The ecological wetland device disclosed by the invention is simple in structure and convenient to assemble and detach, and can conveniently move to other polluted areas for purification in the next stage; and the effect of purifying water movably can be achieved with low manual moving expense.

The invention belongs to the field of slope ecological restoration and discloses a high-steep rock slope ecological restoration system. The system comprises a water storage type drainage ditch, a solar automatic irrigation system and an erosion-resistant external soil reconstruction system. The water storage type drainage ditch includes a drainage ditch, a water storage cavity and a rainwater filtering grating. The solar energy automatic irrigation system comprises a solar automatic control system, a water pipe, a water pump, and a moistube. The anti-scouring external soil reconstruction system comprises a flexible ecological bar, a U-shaped anchor rod, a high-strength steel wire protection net, an external soil substrate and a plant seed layer. The invention also includes an implementation method of the system. Through the implementation of the system, an erosion-resistant external soil matrix structure can be established on a rock slope, the vegetation system of an indigenous plant is used, with the addition of the automatic irrigation system with solar control, the ecological vegetation of the high-steep rock slope can be effectively reconstructed, and the purpose of ecologicalrestoration is achieved.

The invention discloses an immersed bioreactor for ecological restoration of a water body. The immersed bioreactor comprises a water surface ecological floating island, an immersed reaction device andan aeration assembly, wherein the water surface ecological floating island can float on the water surface and utilizes a constructed efficient artificial ecosystem to reduce pollution load of the water body; the immersed reaction device and the aeration assembly are arranged at the bottom of the immersed reaction device. The immersed bioreactor has the beneficial effects as follows: 1, ammonia and nitrogen in the water body are removed by biological media under the aeration condition, phosphorus in the water body is removed by phosphorus removing media, and strengthened purification of wateris realized; 2, the ecological floating island is connected to the top of an underwater immersion device through chains, the water body is further purified by plant root system on the floating island,and the purpose of ecological restoration is achieved accordingly; furthermore, the immersed bioreactor is widely applicable to control of black-odor rivers, decentralized treatment of rural domesticwastewater and water purification engineering of natural water body.

The invention relates to a landscape waterwheel system for water ecological restoration. According to the landscape waterwheel system for the water ecological restoration disclosed by the invention, a solar panel or a wind-power tower is arranged on the bank of an ecological restoration area to generate electric energy as power, solar energy or wind energy is converted into the electric energy to be stored in storage batteries to provide power for a waterwheel motor to push the a waterwheel rotating wheel to rotate, so that water is in contact with oxygen fully to improve the oxygen content of water, in addition, water circulation is formed near water of a waterwheel. T herefore, the water bottom is subjected to air explosion to strengthen the self-purification function of water flow. A human landscape is formed through an antique style of the waterwheel under the combination of a color light projection system and a sound, and the environmental quality is improved in the process of restoring urban water ecology.

The invention discloses an arrangement type rotating disc aeration system suitable for river and lake treatment, the arrangement type rotating disc aeration system comprises a plurality of suspension type rotating disc aerators, the suspension type rotating disc aerators are rotating disc aerators mounted on a suspension type base, each rotating disc aerator comprises a rotating shaft, a driving device and rotating disc plates, and the rotating disc plates sleeve the rotating shaft at intervals; a plurality of suspension type rotating disc aerators are arranged around a circular path at intervals to form a combined body, an opening is formed in the suspension type base, the opening is arranged to be an aeration area, and the rotating disc is immersed into the river channel from the aeration area. The openings in the suspension type bases are closed openings in the suspension type bases or open openings distributed in the same direction in the radial direction facing the circle center or in the tangential direction of the circumference. A plurality of suspension type rotating disc aerators are arranged at intervals around a circular path to form a combined body, and continuous high-power aeration is carried out on a non-flowing lake, so that vortex-shaped or radial mixing of sewage in a treatment area is realized.

A technology based on the traditional Chinese five-element (metal, wood, water, fire and earth) principle for restoring the ecological environment and preventing desert extension and flood features that the water is used to culture trees for immobilizing soil, and the trees and the immobilized soil can contain water, so generating a useful loop to restore the ecological environment.

The invention relates to an ecological restoration method for mining wasteland, belongs to the technical field of ecological restoration of mines, and solves the problems that an existing restoration method for mining wasteland is high in cost and not sustainable and possibly causes secondary pollution. The ecological restoration method comprises the following steps: step 1, crushing waste biomass, performing hydrothermal carbonization, and performing solid-liquid separation on a hydrothermal carbonization product to obtain solid hydrothermal carbon and hydrothermal carbon liquid; step 2, adding the solid hydrothermal carbon into a nutrient solution for eutrophication to obtain eutrophicated hydrothermal carbon; step 3, mixing the eutrophicated hydrothermal carbon, water-absorbing minerals, biomacromolecules, a water absorbent monomer, a cross-linking agent and an inducer, and carrying out polymerization reaction to obtain a modifier; and step 4, adding the modifier into the mining wasteland soil, and planting plants for ecological restoration. According to the invention, the green and efficient modifier is prepared from the waste biomass, and an environment-friendly and sustainable mining waste land ecological restoration method is provided.

The invention discloses a lawn planting method in a typical grassland area. The method is characterized in that indigenous plants are planted in a planting region in a mixed planting manner, wherein the indigenous plants comprise anthoxanthum glabrum, bromus inermis, koeleria macrantha, agrostis gigantea, festuca rubra and poa sphondylodes which are planted in a mixed manner according to the seed volume ratio of (0.9-1.3): (1.1-1.5): (0.7-1): (0.9-1.2): (1-1.3): (0.8-1.2). According to the method, cold-resistant local plants are adopted to complete ecological restoration, the cost is low, the survival rate is high, and the land utilization rate is high.

The invention discloses an anti-scouring river bank hydro-fluctuation belt ecological management method. The method includes the following steps that s1, construction diversion is conducted; s2, earthand stone excavation is conducted; s3, gabion retaining wall construction is conducted; s4, three-dimensional geocell construction is conducted; s5, geocells are filled with ecological vegetation bags; s6, the ecological vegetation bags are stacked on a gabion box; s7, slope surface watering is conducted; s8, geotextile covering is carried out. According to the anti-scouring method, a method of combining plants and engineering materials is adopted to realize the coordination of a river system with the activities of animals, plants, microorganisms, and humans and to achieve the purpose of ecological restoration of a bank slope; meanwhile, through construction techniques such as plastic alloy steel geocell laying, backfill compaction of an ecological belt, a basalt fiber composite bar anchor rod, plant root fixation, and a lead wire gabion retaining wall, the stability of the bank slope is ensured, and the anti-scouring purpose is achieved; and on the other hand, based on the principlesof shrub and grass combination, species mutualism and merging, and deep root and shallow root system combination, reasonable allocations are performed at different water level areas to achieve the purposes of ecological restoration and landscape creation.

The invention discloses a device for recovering plant cover by using mosses and a method for recovering plant cover on a steep cliff. The device comprises a water supply pipeline which is used for conveying water and is provided with a joint communicated with the water supply pipeline; a long rope which has one end per se connected to the joint and is used for obtaining water from the water supply pipeline and delivering the water along the length direction of the long rope; and mosses which are connected to the long rope so as to obtain moisture needed by growth through the long rope. By utilizing characteristics of bryophyte, the device for recovering the plant cover by using the mosses enables bryophyte to grow on bared rocks under the condition of guaranteeing a small amount of moisture and nutrition supply, greens the former unproductive lands, realizes the purpose of ecological restoration, and is particularly suitable for recovering plant cover on the bare steep cliff without soil.

The invention provides an ecological restoration device and restoration method for an urban black and odorous river channel, the ecological restoration device comprises an integrated structure, the integrated structure sequentially comprises a pretreatment structure, a mixing structure, a purification structure, a decontamination structure and a base from top to bottom, and the pretreatment structure, the mixing structure, the purification structure, the decontamination structure and the base are sequentially communicated from top to bottom; an aeration structure is arranged in the purification structure, and the pretreatment structure, the mixing structure, the purification structure, the decontamination structure and the base are of an integrated structure, so that the ecological restoration device for the urban black and odorous river channel has the functions of filtration, flocculation, microbial degradation and decontamination; the technical problems that in the existing black and odorous water purification process, special targeted equipment is needed in the steps of filtration, flocculation and microbial degradation, and in the process of moving black and odorous water among the equipment, secondary pollution is caused easily due to leakage, and huge potential safety hazards are brought about are solved.

The invention discloses a novel water body ecological restoration device, which comprises a main ship body, an oxygenation aeration system, a microbial inoculum release device, a phytoplankton systemand a solar system. In the invention, the problems that existing water purification equipment is single in function and poor in effect are solved, the technologies of micropore aeration oxygenation, microbial agent release, aquatic plant purification and the like are integrated, so that the purpose of systematically conducting water ecological restoration is achieved, and the water purification efficiency is improved; all-weather solar power supply is achieved, and environmental protection and energy conservation are achieved. According to the invention, the traditional manual bacterium feeding mode is changed, uniform and full-speed bacterium feeding can be achieved through the slow bacterium agent release device, and the effect is better; the ecological landscape pays attention to the overall impression effect, has ornamental value and can be fully integrated into the ecological landscape of the use environment.

The invention discloses a degraded rhizome grassland root cutting and soil loosening fertilizer applicator and a rhizome grassland ecological restoration method. The device comprises a rack, a left depth wheel mechanism, a right depth wheel mechanism, a cutter head mechanism, a soil loosening mechanism, a gear transmission, a fertilizer box bracket, a fertilizer box and a fertilizer discharging mechanism, wherein the left depth wheel mechanism and the right depth wheel mechanism are arranged at the front end of the rack; the cutter head mechanism is arranged at the lower end of the rack and onthe rear sides of the depth wheel mechanisms; the soil loosening mechanism is arranged at the rear end of the rack and on the rear side of the cutter head mechanism; the gear transmission is arrangedin the middle of the upper end of the rack; the fertilizer box bracket is arranged on the rack; the fertilizer box is arranged at the upper end of the fertilizer box bracket; the fertilizer discharging mechanism is arranged at the lower end of the fertilizer box through the fertilizer box bracket; and the cutter head mechanism comprises a cutter head shaft connected with the rack through a left shaft head and a right shaft head and a plurality of cutter heads evenly arranged on the cutter head shaft; a plurality of long-strip-shaped notches are evenly formed in the outer edge of each cutter head in the radius direction of each cutter head; and a diamond layer is arranged at the front end of each cutter head. The device is firm, durable, high in stability and good in root cutting effect, and three measures of root cutting, soil loosening and fertilization are completed through one-time operation.

The invention discloses a leuciscus waleckii-pasture comprehensive planting and breeding saline-alkali soil improving method, and relates to a saline-alkali soil improving method, in particular to a method adopting leuciscus waleckii-pasture comprehensive planting and breeding for saline-alkali soil improving. The problems that according to existing saline-alkali soil improving methods, the improving efficiency is low, the project scale is large, the investment and operation cost is high, and the improvement effect is poor are solved. The leuciscus waleckii-pasture comprehensive planting and breeding saline-alkali soil improving method comprises the steps of 1 laying out the saline-alkali soil; 2, performing soaking and flushing; 3, preparing a culture pond; 4, performing fingerling stock;5, performing culture management, wherein feed feeding is performed, the oxygen content in water is controlled, the water quality is regulated, and bacillus powder is added into the culture pond periodically; 6, utilizing pond culture water in the culture pond for performing soaking and flushing in a plurality of land parcels to be treated. The method is used for saline-alkali soil improvement.

The invention discloses a method for adopting fish culture for improving carbonate-type saline-alkaline land, and relates to a method for improving the carbonate-type saline-alkaline land. The methodsolves the problem that an existing method for improving the carbonate-type saline-alkaline land has a poor improvement effect and complicated means. The method comprises the steps of equally dividingthe saline-alkaline land into several saline-alkaline land units, building a dam at the edges, digging a ditch in the outer side of the dam, laying water collection branch pipes and water collectionmain pipes in a soil layer, and forming water outlets of the water collection main pipes in a water collection pool outside the saline-alkaline land; planting forage grass or saline-alkaline-tolerancecrops in each saline-alkaline land unit, selecting a pond, afterwards, stocking fingerlings, putting feed, managing culture, regulating and controlling the water quality, and utilizing pond water forsoil irrigation and washing. The method integrates regulation and control of the water quality through biological floccules, scientific oxygen aeration and scientific feeding, and the purpose that bottom mud of the pond is restored, the alkalinity of the saline-alkaline land is reduced, the water quality environment of the pond is improved, and putting of feed in the culture process is lowered. The method is suitable for improving the carbonate-type saline-alkaline land.

The invention relates to an ecological landscape type art performing aeration fountain. Wind energy or solar energy is adopted by the ecological landscape type art performing aeration fountain to provide electric power energy supply, so that low-carbon maintenance and operation can be achieved; a water body in the bottom of a watercourse is filtered and absorbed by the fountain, so that oxygen content and nutrition substances of the river water body form a circulating system, the water body forms a convection system circulating the oxygen content and the nutrition substances, and the targets that the river water can be purified and an ecosystem of the watercourse is repaired are achieved; the self-repair of a water ecosystem is facilitated, and the upgrade is stabler. Through controlling different spraying distances, different water area cycles are regulated, so that the oxygen contents and contents of nitrogen, phosphorus, potassium and the like in different areas are regulated, and an ecological circulating system is formed; the generations of algal bloom and the like are avoided, the purpose of ecological repair is achieved, and later-stage maintaining cost can also be decreased. Through the combination of fountain models, sound and color lights, an art performing landscape is formed to promote peripheral landscape quality.

The invention discloses an artificial macroalgae field in a mixed seawater area and a construction method thereof. The artificial macroalgae field comprises an artificial algal reef, and at least one layer of flexible artificial algal bed is arranged on the artificial algal reef; the artificial algal reef is a hollow triangular prism-shaped or triangular pyramid-shaped prefabricated member and provided with mooring rope fixed holes, and a seedling net is sleeved on the surface of the artificial algal reef; and the flexible artificial algal bed comprises a square framework formed by framework ropes, the square framework is provided with a float and at least provided with a seedling rope in longitudinal, the total buoyancy of the float is larger than the gravity of the flexible artificial algal bed, and the mooring rope is arranged on each corner of the square framework and fixedly connected with the mooring rope fixed holes. The invention is the artificial macroalgae field in the mixedseawater area, which has the characteristics of strong sea current resistance, high sand coverage resistance of mud, and high algal field efficiency. The constructed artificial algal field is stable and stereoscopic, is suitable to the characteristics of the mixed seawater area, can be adnated with larger biomass of macroalgae of more species groups and, and lays foundation for the ecological restoration of the mixed seawater area.

The invention relates to an ecological concrete embankment and a construction method thereof.According to the ecological concrete embankment, due to the fact that ecological green belts are arranged on the top of the embankment, ecological tanks are formed in the upstream face, flood drainage reverse valve tubes are pre-buried in an embankment body which communicates a river channel ecosystem with a river bank land ecosystem, the embankment, a river bank and a river channel form an ecological circulating system, and the purpose of ecological restoration is achieved; by means of automatic circulation, the later maintenance cost is reduced, and formation and growth of original ecological biotic communities can be promoted; by means of combination of plants and concrete materials, a certain structural strength is achieved, and instability and erosion of the slope surface and the slope toe can be relieved; meanwhile, symbiosis and reproduction of multiple types of organisms can be achieved, the self-repairing capacity and purifying function are achieved, and conditions are created for growth of aquatic plants, breeding of aquatic animals and habitat reproduction activities of amphibians.

The invention provides an ecological remediation method for layered coverage gold mine tailings, and relates to the technical field of the mine ecological remediation. The provided remediation methodcomprises the following steps: (1) after covering a surface layer of the gold mine tailings by a heavy metal composite passivator, turning over, and spraying 0.8-1.2% of water-soluble carboxymethyl chitosan solution, to obtain a heavy metal passivated restoration substance; and (2) successively covering the heavy metal passivated restoration substance obtained in the step (1) by an obstructing substance, a bio-organic fertilizer and soil, and realizing ecological remediation of the gold mine tailings. The provided ecological remediation method belongs to a physical-chemical-biological combinedremediation method, and is capable of continuously and deeply remedying a heavy metal pollution problem of the gold mine tailings, and breaking through limitation of a current gold mine tailings remediation method that secondary environment pollution is existent, remediation efficiency is low, a remediation period is long and heavy metal pollution in the tailings cannot be continuously and deeplyremedied.