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

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 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 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 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 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 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 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 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.