32 results about "Soil restoration" patented technology

The invention discloses an ecological restoration effect evaluation and simulation system after polluted soil restoration, and relates to the technical field of soil restoration, and the system comprises a soil feature generation module which generates an ecological feature data set; the ecological restoration evaluation module is used for establishing a multi-dimensional evaluation model by using an analytic hierarchy process and a fuzzy comprehensive evaluation method based on the ecological characteristic data set, and generating an ecological restoration effect index; the dynamic simulation prediction module is used for constructing an ecological restoration dynamic simulation model and simulating the evolution trend of a soil ecological system under different environment conditions; and the restoration strategy optimization module is used for generating a targeted ecological restoration optimization scheme by combining a preset restoration strategy library according to the ecological restoration effect index and the dynamic simulation prediction result. According to the method, a closed-loop system integrating multi-source data acquisition and processing, multi-dimensional evaluation, dynamic simulation prediction and stepped strategy optimization is constructed, and accurate evaluation of the ecological restoration effect after contaminated soil restoration and scientific optimization of the restoration strategy are achieved.

The invention provides a chemical restoration method for treating heavy metal-polluted terrain soil by ferromagnetic artificial nucleuses. In a ferromagnetic artificial nucleus soil restoration method, the ferromagnetic artificial nucleuses are applied to heavy metal-polluted soil; soil above a heavy metal pollution depth is overturned by cultivation equipment to uniformly mix with the ferromagnetic artificial nucleuses; and after heavy metal can be dispersed from the soil to the artificial nucleuses by a period of time, the soil containing the artificial nucleuses is overturned by using the cultivation equipment to increase the change of the artificial nucleuses contacting with other soil. After the soil overturning procedure is repeated by multiple times, the cultivation equipment provided with magnets can be used for separating the ferromagnetic artificial nucleuses, absorbed with the heavy metal, from the polluted soil; and the content of the heavy metal of the polluted soil is reduced due to shifting-out of the ferromagnetic artificial nucleuses, so that the purpose of soil restoration is gradually achieved.

The invention relates to a soil microorganism recovery index processing method and system and electronic equipment. The method comprises the following steps: collecting a soil sample in a gradient sample area, and measuring soil microbiological indexes and soil attributes; taking the soil microorganism indexes as a mother sequence, taking the soil attributes as subsequences, calculating correlation coefficients and correlation degrees between the subsequences and the mother sequence, and determining key soil attributes influencing soil microorganism recovery; determining a weight value of the key soil attribute; based on the numerical values of the key soil attributes in the original ecological reference area and the damaged unrepaired area, combining the weight values of the key soil attributes, and adopting an improved soil restoration index model to calculate and obtain a soil microorganism restoration index; the technical problem that in existing mining area ecological restoration evaluation, an original ecological system is not used as a benchmark, and the soil microorganism restoration degree cannot be quantitatively represented is solved, and the technical effect of achieving objective, comparable and quantifiable accurate evaluation of the soil ecological function restoration degree is achieved.

The invention discloses a desertified soil restoration method based on microorganism mineralization induction and moss-algae crust, which comprises the following steps: crushing soybeans, and dissolving the crushed soybeans in water to obtain a soybean urease crude extract; adding desert green algae and drought-enduring moss into the cementing liquid prepared from the travertine for later use; the algae crust cementing liquid is obtained; the method comprises the following steps: preparing a soybean urease crude extracting solution, uniformly mixing the soybean urease crude extracting solution with desertification soil needing to be recovered, adding a moss-algae crust cementing solution into the surface layer of the mixed desertification soil, and curing for a period of time to realize the solidification of the desertification soil and the moss-algae crust on the surface layer. On the basis of microorganism mineralization induced sand stabilization, the bryophyllum crust is further applied to the soil surface to enhance the compressive strength of the soil surface, so that the strength of the desertification soil can be effectively recovered, and meanwhile, the bryophyllum crust also enables the desertification soil to be covered by moss and algae again, and the nutrients and environment of the soil are recovered.

The invention relates to a landform-vegetation-hydrology-pond four-dimensional integrated comprehensive ecological restoration method suitable for an open-cast mining field, and belongs to the technical field of mine ecological restoration. Comprising the following steps of (1) landform and rock soil restoration, (2) soil vegetation restoration, (3) side slope hydrological regulation and control and (4) pond ecologication.According to the ecological restoration method, a four-dimensional integrated collaborative restoration technology system is adopted, and the ecological function of a mine is optimized through multi-dimension and multi-technology collaborative optimization.

Abstract A coal-based solid waste eco-restoration material and preparation method are provided. The preparation method includes: mixing and placing calcium oleate, sodium silicate, polyvinylpyrrolidone, oleylamine, anhydrous ethanol, and water in a hydrothermal reactor, heating at a constant temperature, centrifuging, and washing to collect inorganic nano-seed crystal; seeding the inorganic nano-seed crystal to form a cementitious material; mixing coal gangue powder with the cementitious material, mineral activator, and physical pore-forming foam, then curing, crushing, and screening to prepare a porous sandy loam matrix; uniformly mixing the prepared porous sandy loam matrix, coal slime, and composite microbial agent, and then fermenting and maturing to obtain the coal-based solid waste eco-restoration material. Compared with the traditional aluminum powder chemical foaming and strong acid foaming, the physical foaming technology adopted in the present disclosure improves the safety of operation while reducing the cost, and is convenient for standardized production. According to the activation of bacteria-fungi composite microbial agent, the nutrient elements in eco-restoration materials can be fully released. The eco-restoration material can be applied to the fields of mine soil restoration, land reclamation and other environmental restoration. FIG. 1 Abstract A coal-based solid waste eco-restoration material and preparation method are provided. The preparation method includes: mixing and placing calcium oleate, sodium silicate, polyvinylpyrrolidone, oleylamine, anhydrous ethanol, and water in a hydrothermal reactor, heating at a constant temperature, centrifuging, and washing to collect inorganic nano-seed crystal; seeding the inorganic nano-seed crystal to form a cementitious material; mixing coal gangue powder with the cementitious material, mineral activator, and physical pore-forming foam, then curing, crushing, and screening to prepare a porous sandy loam matrix; uniformly mixing the prepared porous sandy loam matrix, coal slime, and composite microbial agent, and then fermenting and maturing to obtain the coal-based solid waste eco-restoration material. Compared with the traditional aluminum powder chemical foaming and strong acid foaming, the physical foaming technology adopted in the present disclosure improves the safety of operation while reducing the cost, and is convenient for standardized production. According to the activation of bacteria-fungi composite microbial agent, the nutrient elements in eco-restoration materials can be fully released. The eco-restoration material can be applied to the fields of mine soil restoration, land reclamation and other environmental restoration. Mixing and placing calcium oleate, sodium silicate, S10 polyvinylpyrrolidone, oleylamine, anhydrous ethanol, and water in a hydrothermal reactor, heating at a constant temperature, centrifuging, and washing to collect inorganic nano-seed crystal; Seeding the inorganic nano-seed crystal to form a cementitious S20 material; mixing coal gangue powder with the cementitious material, mineral activator, and physical pore-forming foam, then curing, crushing, and screening to prepare a porous sandy loam matrix; Uniformly mixing the prepared porous sandy loam matrix, coal S30 slime, and composite microbial agent, and then fermenting and maturing to obtain the coal-based solid waste eco-restoration material. FIG. 1 20 25 20 15 77 04 M ar 2 02 5 2 0 2 5 2 0 1 5 7 7 0 4 M a r 2 0 2 5 a n d o t h e r e n v i r o n m e n t a l r e s t o r a t i o n . S 1 0 S 2 0 S 3 0 F I G . 1 2 0 2 5 2 0 1 5 7 7 0 4 M a r 2 0 2 5 a n d o t h e r e n v i r o n m e n t a l r e s t o r a t i o n . S 1 0 S 2 0 S 3 0 F I G . 1 1 / 2 FIG. 1 FIG. 2 1 / 2 Mixing and placing calcium oleate, sodium silicate, S10polyvinylpyrrolidone, oleylamine, anhydrous ethanol, and water in a hydrothermal reactor, heating at a constant temperature, centrifuging, and washing to collect inorganic nano-seed crystal; Seeding the inorganic nano-seed crystal to form a cementitious S20 material; mixing coal gangue powder with the cementitious material, mineral activator, and physical pore-forming foam, then curing, crushing, and screening to prepare a porous sandy loam matrix; Uniformly mixing the prepared porous sandy loam matrix, coal S30 slime, and composite microbial agent, and then fermenting and maturing to obtain the coal-based solid waste eco-restoration material. FIG. 1 Inorganic nano-seed crystal Hydration products 5 um FIG. 2 20 25 20 15 77 04 M ar 2 02 5 S 1 0 2 0 2 5 2 0 1 5 7 7 0 4 M a r 2 0 2 5 S 2 0 S 3 0 F I G . 2 S 1 0 2 0 2 5 2 0 1 5 7 7 0 4 M a r 2 0 2 5 S 2 0 S 3 0 F I G . 2

This invention discloses a method for the simultaneous remediation of pesticide and arsenic pollution in acidic soil, belonging to the field of soil remediation technology. *Pseudomonas arsenicoxydans* Y24-2 is used as the remediation microbial agent, and calcium peroxide is used as remediation agent A. Sodium acetate, urea, potassium dihydrogen phosphate, manganese salt, and ferrous salt are mixed to obtain remediation agent B. Remediation agents A and B must be stored separately and mixed immediately before remediation. Remediation agents A and B are dispersed in water, and the remediation microbial agent is added to obtain a remediation agent suspension. The remediation agent suspension is immediately applied to the acidic soil to be remediated for simultaneous remediation of pesticide and arsenic pollution. According to experiments, after remediation using the method provided by this invention, glyphosate in the soil is effectively degraded, arsenic is effectively oxidized and passivated, and the soil pH value is raised to neutral, achieving the goal of pollutant removal and soil restoration to health.

The invention discloses a geological water conservancy project environment ecological restoration device, and particularly relates to the technical field of soil remediation. By arranging a longitudinal soil drilling adjusting unit, when the restoration width is large, two limiting frames are away from each other at the same time and slide in a transfer frame in a limited mode, and then two guide frames descend synchronously; then the soil drilling rod is driven to slide downwards by a specific height along the limiting frame, drilling is conducted on soil at different depths, and hard soil is loosened; when the repairing width is small, the two limiting frames get close synchronously to drive the soil drilling rods in the limiting frames to get close, the drilling width is small, the pollution layer with the specific depth is treated through accurate drilling and screening, the unpolluted soil layer below is prevented from being damaged, meanwhile, the same drilling force is applied to soil at different points, the consistency of the soil loosening effect is guaranteed, and the repairing efficiency is improved. In this way, the physical boundary of drilling operation is delimited, it is ensured that the soil drilling rod does not exceed the preset repairing area, and interference on a non-target area is achieved.

The invention discloses a low-yield field soil ecological restoration effect evaluation system, and belongs to the technical field of agricultural informatization and ecological restoration. Relates to a multi-source data automatic acquisition, intelligent fusion analysis and dynamic visualization technology. According to the system, multi-dimensional indexes such as soil physicochemical properties, microbial diversity and crop growth states can be comprehensively obtained, comprehensive analysis is carried out based on big data and an artificial intelligence algorithm, and scientific and dynamic evaluation of the ecological restoration effect is achieved. By integrating a decision support function and a visual human-computer interaction interface, the system provides an accurate basis for optimization and management of low-yield field soil remediation measures, the scientificity and management efficiency of remediation effect judgment are improved, and agricultural sustainable development and farmland quality improvement are promoted.

The invention belongs to the technical field of environmental engineering and pollution ecological restoration, and particularly relates to a biochar-laccase hybrid nanofilm based on interface bonding, a preparation method and application in petroleum hydrocarbon pollution synergistic restoration and plant enhancement. The biochar-laccase hybrid nanofilm comprises biochar and a laccase-inorganic hybrid nanoflower-shaped film, and laccase protein molecules in the laccase-inorganic hybrid nanoflower-shaped film and functional groups on the surface of the biochar are subjected to interface bonding to generate a composite film structure. The immobilized laccase has an ultrahigh specific surface area far exceeding a theoretical addition value, realizes efficient and stable immobilization of laccase, and shows excellent catalytic activity and environmental stability. When applied to petroleum hydrocarbon contaminated soil, the soil remediation agent can strengthen remediation plants such as oilseed rape to efficiently remove petroleum hydrocarbon through biological and non-biological mechanisms, obviously promote plant growth, realize the crossing from single pollution removal to pollution treatment and ecological restoration collaboration, and provide an innovative solution for green and sustainable soil remediation.

The application discloses a mine ecological restoration equipment and method, relates to a mountain soil restoration technical field, and discloses the following technical scheme: a base is used as a bottom bearing structure; a shell is arranged on the base and is used for loading soil restoration liquid; a liquid injection mechanism is provided with a liquid inlet end, the liquid inlet end is communicated with the inside of the shell to form a liquid injection channel; a drilling mechanism is provided with a liquid output channel, one end of the liquid input channel is communicated with the liquid injection channel, and the other end extends to the outside of the drilling mechanism; a soil covering mechanism can cover the hole drilled by the drilling mechanism. The application has the beneficial effects that the application can enable the staff to easily and quickly inject the soil restoration agent into the deep soil layer of the mine wasteland, and the action range is fully covered from deep to shallow by the large amount of soil restoration agent, so that the soil restoration effect is greatly improved, and the recovery efficiency is improved.

The utility model belongs to the technical field of plateau desertification treatment, particularly relates to a plant reseeding device for plateau desertification soil restoration, and aims to solve the problem that the plant reseeding efficiency is very low in the background technology, the following scheme is provided: the plant reseeding device comprises a top pipe, and the inner wall of the bottom of the top pipe is connected with an extension column in a sliding manner; bottom pipes are welded to the outer walls of the bottoms of the extension columns. Under the mutual cooperation of the top pipe, the extension column, the bottom pipe and the seedling inserting plate, a sapling can be straightened and inserted into sandy soil only by squaring the sapling on the ground and aligning the seedling inserting plate to the root of the sapling and pressing the sapling downwards, the sandy soil does not need to be excavated, the operation is very convenient, the plant reseeding efficiency is greatly improved, and the labor intensity of workers is reduced. After a sapling is inserted into sandy soil, water in a water inlet pipe can flow into a spray head along a water outlet pipe and a fixed pipe by opening a valve, water flow sprayed through the spray head can directly provide a water source for the sapling, the survival rate of plants can be increased, and water resources are not prone to being wasted.

The invention relates to the technical field of ecological restoration, in particular to an ecological restoration monitoring method and system for a coal mining subsidence area. Obtaining soil recovery state time sequence information; when the soil recovery state at the end point moment of the time sequence information of the soil recovery state meets a soil target state, the time sequence information of the soil recovery state and vegetation planting parameters are input into a vegetation recovery state prediction network, and the time sequence information of the vegetation recovery state is obtained, the vegetation recovery state prediction network is a black box model constructed based on a long-short term memory neural network; and when the vegetation recovery state at the end point moment of the vegetation recovery state time sequence information meets a vegetation target state, performing ecological recovery monitoring on the soil modification coal mining subsidence area executing the soil modification control parameters by taking the soil recovery state time sequence information and the vegetation recovery state time sequence information as monitoring baselines. According to the method, scientificity and effectiveness of cultivated land protection and ecological restoration of the coal mining subsidence area can be improved.

The invention discloses a construction land polluted soil restoration effect comprehensive evaluation grading method, which fully practices a green sustainable restoration idea, considers the actual conditions of restoration soil reutilization and pollution restoration, and combines an analytic hierarchy process and a fuzzy comprehensive evaluation method to evaluate the restoration effect of the construction land polluted soil. The comprehensive evaluation problem of qualitative and quantitative multi-factor influences is solved, and the soil remediation effect can be accurately, comprehensively and scientifically evaluated.

The invention belongs to the technical field of ecological restoration of alpine grassland, and particularly relates to an ecological planting method for shrub grassland in a super plateau semi-arid region. The method comprises the following steps: delimiting a sample plot in a to-be-restored super plateau semi-arid region degraded grassland area, and applying a bio-organic fertilizer and biochar for soil improvement and activation; ditching and soil preparation; after a water-retaining agent absorbs water and is prepared into gel, uniformly applying the gel into the sowing furrows and uniformly mixing the gel with furrow soil; and performing multi-species matching and sowing. According to the ecological planting method, a low-disturbance degraded shrub grassland remediation technology is adopted, a liquid mulching film is directly sprayed on the surface of soil on the basis of soil improvement, the effects of preventing wind, maintaining soil moisture and increasing ground temperature are achieved, the soil moisture condition and the moisture utilization rate can be obviously improved, soil remediation and vegetation planting are both considered, and the ecological planting effect is achieved. The multifunctionality of the ecological system of the shrub grassland is improved.

The invention provides a method for restoring a degraded desert steppe soil seed bank, and belongs to the technical field of ecological restoration. The invention discloses a method for repairing a degraded desert steppe soil seed bank. The method comprises the following steps: dividing degraded desert steppes into three landscape types according to the high (greater than 0.3) vegetation coverage, the middle (0.15-0.3) vegetation coverage and the low (less than or equal to 0.15) vegetation coverage; the method comprises the following steps: respectively taking grassland sample plots of three landscape types as centers to make buffer areas with radiuses of 100-500m, and enclosing the buffer areas formed by the minimum radiuses and meeting the requirements that the aggregation degree index AI is greater than or equal to 80 and the average plaque area is greater than or equal to 2hm together with the grassland sample plots to form a soil seed remediation area; and after soil remediation is conducted on the soil seed remediation area, dominant species are introduced to increase the plant coverage degree. The method enriches the gene resources of the soil seed bank, further enhances the adaptability of plants to the ecological system, improves the survival rate of seeds, and promotes the restoration of the soil seed bank.

The invention provides a mine ecological restoration soil improvement device. The mine ecological restoration soil improvement device comprises a moving mechanism, a plurality of milling mechanisms, a collecting mechanism, a mine soil conveying mechanism, an organic soil conveying mechanism, a mixing mechanism and a plurality of leveling mechanisms. According to the mine ecological restoration soil improvement device, under the combined action of the moving mechanism, the multiple milling mechanisms, the collecting mechanism, the mine soil conveying mechanism, the organic soil conveying mechanism, the mixing mechanism and the multiple leveling mechanisms, organic soil can be evenly mixed into mine soil on a side slope, plant growth is facilitated, and the soil improvement efficiency is improved. Compared with the prior art, the soil remediation device has the advantages that the remediation efficiency is high, the labor intensity is low, mixing is uniform, and organic matter is not prone to loss.

The invention discloses a karst region open pit coal mine surface soil stripping ditch filling land reclamation ecological reconstruction method, and relates to the technical field of ecological restoration, and the method comprises the following steps: adopting a three-layer backfill structure to carry out soil profile reconstruction, and calculating the addition amount of an acid-base restoration agent for soil with the pH value lower than a threshold value; according to the relationship between the soil bulk density and the ideal soil bulk density, the biochar addition amount for soil remediation is determined; constructing a heavy metal stability evaluation model to calculate a heavy metal stability index, and determining the dosage of a soil heavy metal pollution repairing agent; the slope stability is evaluated, and the slope ecological restoration safety coefficient and the vegetation configuration scheme are calculated in combination with the vegetation configuration diversity index; and constructing an improved moisture characteristic curve model to calculate the soil volume moisture content and formulate an irrigation plan. According to the method, soil improvement and ecological restoration are achieved through the steps of soil backfilling, restoration agent adding, vegetation configuration and precise irrigation, and scientificity and accuracy of the restoration process are ensured by building the model.

The invention discloses a rapid ecological restoration method suitable for continuous cropping obstacles of valeriana officinalis in a karst yellow soil area, and belongs to the technical field of ecological cultivation of traditional Chinese medicinal materials and soil restoration. According to the method, a sequential remediation strategy of first disinfection and then reconstruction is adopted for composite obstacles such as acid, sticky, thin and thin soil and microbial unbalance after continuous cropping of valeriana officinalis in the karst yellow soil area. Firstly, quick lime or metham is selected to disinfect soil, and the pathogen cardinal number is rapidly reduced; then, an ecological reconstruction composite material formed by compounding 20-30 parts of biochar, 40-50 parts of organic fertilizer, 15-25 parts of leguminous green manure fresh body or dry powder and 5-10 parts of a specific functional microbial agent is immediately applied, and full fusion of the ecological reconstruction composite material and the soil is achieved through uniform mixing. According to the method, through organic combination of disinfection and multi-material synergistic remediation, soil acidification improvement, nutrient improvement and microbial community reconstruction are synchronously achieved, and systematic and rapid ecological remediation of continuous cropping obstacles is achieved. The method has high efficiency, ecological friendliness and regional pertinence, and a systematic solution is provided for sustainable production of the traditional Chinese medicinal materials in the karst ecologically fragile region.

The invention discloses a method for promoting oilseed rape to restore cadmium-contaminated soil, and belongs to the technical field of heavy metal contaminated farmland soil restoration. The method comprises the following steps: preparing a cadmium-polluted farmland 25-35 days before sowing oilseed rape, and adjusting the pH value of the soil to 5.0-5.9; 1-3 days before sowing, rotary tillage is conducted, and ammonium nitrate nitrogen fertilizer, phosphate fertilizer and potash fertilizer are applied according to a specific proportion; after sowing, final singling is conducted in the five-leaf stage of the oilseed rape, and the soil water content is maintained to be 70%-80% of the field water capacity. By accurately regulating and controlling the pH value, the moisture and the nutrient form of the soil, the enrichment efficiency of the oilseed rape on the cadmium in the soil is remarkably improved on the premise that the yield and the economic benefit of the oilseed rape are not affected, the method has the advantages of being easy to operate, low in cost, environmentally friendly and short in remediation period, and efficient remediation and green production of the cadmium-polluted farmland can be effectively achieved.

A mine ecological restoration soil improvement device and its use method belong to the field of soil restoration devices, and can solve the problem that, due to the reasons of extremely poor soil matrix pollution in mines, low organic matter content, low clay content and poor texture, the current mine soil pollution restoration technology sprays or injects an improvement agent into the surface soil layer for restoration, but the improvement agent diffused by the penetration effect cannot fully combine with the soil particles, and the partial activation of heavy metal elements can cause harm. The steps are: S1: the motor is powered on to drive the paddle to rotate; S2: the soil is poured into the feed port, and the paddle separates the soil; S3: the water pump is powered on to spray the soil restoration agent on the soil; S4: the motor is powered on to drive the sieve plate to rotate, and the hardened soil is crushed.

The utility model discloses and relates to the technical field of side slope vegetation soil fixation, in particular to a vegetation soil fixation device for ecological restoration of a forestry side slope, which comprises a slope vegetation protection component, a water flow supply component is mounted on the slope vegetation protection component, and a plurality of vegetation soil restoration parts for restoring side slope vegetation are connected onto the slope vegetation protection component in a clamping manner. The interior of the vegetation soil remediation part is filled with seeds and nutrient soil; according to the device, through combination of the slope vegetation protection assembly and the vegetation soil remediation part, damaged slopes of different areas can be accurately covered, rapid splicing is achieved through the unique design of the positioning insertion blocks and the notches, and the double-layer structure of the steel wire mesh and the outer frame can protect existing vegetation and stabilize new roots. According to the device, a graded fixing system is adopted, the connecting assembly is matched with the slope inserting rods to form a three-dimensional stable structure through double anchoring of the main inserting rods and the extending inserting rods, and stability can still be kept even under the soft soil condition.

The invention provides a shrub and grass combined planting method suitable for soil of a strip mine dump and application of the shrub and grass combined planting method, and relates to the technical field of ecological remediation, the shrub and grass combined planting method comprises the steps of planting amorpha fruticosa in a to-be-improved soil area, and sowing alfalfa in gaps of the amorpha fruticosa; the arbuscular mycorrhizal fungi inoculant and the dark-color separated endophytic fungi inoculant are applied to the root of each amorpha fruticosa plant in a hole application mode, and the arbuscular mycorrhizal fungi inoculant and the dark-color separated endophytic fungi inoculant are applied in planting gaps of the amorpha fruticosa plant by digging shallow ditches. The long-term stable symbiosis of the two fungi at the rhizosphere is realized. The photosynthetic rate and the CO2 quantum efficiency of the amorpha fruticosa and the alfalfa are remarkably improved, and the obvious synergistic interaction effect is achieved in the aspects of improving the soil nutrient components and the activity of soil enzymes such as sucrase and phosphatase. The technical problems that in the prior art, the AMF and the DSE have ecological niche competition, the coexistence stability is poor and inoculation balance is difficult to control in the process of improving the soil of the strip mine dumping site, and consequently soil remediation is difficult are solved.

This invention relates to the field of vegetation restoration technology and discloses a device for vegetation restoration of bare soil at the base of a power transmission line tower. The device includes a frame and a medicine tank installed within the frame. Two conical hoppers for adding chemical solution are fixedly connected to the top of the medicine tank. Two wheels are provided on both sides of the frame at the bottom to allow movement of the frame. A soil loosening mechanism is located below the medicine tank within the frame. This invention also proposes a method for vegetation restoration of bare soil at the base of a power transmission line tower, comprising the following steps: S1: Preparation, adding the chemical solution used for soil restoration into the medicine tank through the conical hoppers. This invention not only sprays the chemical solution to restore the soil, thereby solving the problem of soil pollution and improving the soil restoration effect, but also allows the chemical solution in the medicine tank to flow, turbulent the flow, and prevent sedimentation, thus improving the spraying effect.

The invention discloses a subsidence area reclamation soil water nitrogen hierarchical regulation and control method based on bacterial indication, and the method comprises the steps: monitoring bacterial communities and physicochemical indexes of reclamation soil, and combining a distance-index judgment model to divide a soil recovery state into a crushing period, a recombination period and a stable period. A Logistic model is utilized to determine a key response interval of bacteria richness to soil SWC and TN, a water-nitrogen threshold window is constructed, and differential regulation and control strategies are implemented according to different stages: water and nitrogen are supplemented in a breaking stage, maintenance and pulse regulation and control are adopted in a recombination stage, and slow release and stable management are executed in a stable approaching stage. Closed-loop control is achieved through periodic monitoring and threshold value judgment, and automatic stage switching or regulation ending is achieved when conditions are met. According to the invention, the reclamation soil can be regulated and controlled by stages, the ecological restoration efficiency of the reclamation soil and the system stability are improved, and the system has the advantages of intelligence, quantifiability and strong adaptability.

The present invention relates to the technical field of desert sand-fixation and control, and provides a desertified soil restoration method combining shifting sand fixation and vegetation restoration. The desertified soil restoration method combining shifting sand fixation and vegetation restoration comprises the following steps: S1, vegetation selection, S2, sand-fixation tree grate manufacturing, S3, planting preparation, S4, planting, S5, growth condition monitoring, and S6, data sorting and analysis. Degradable tree grates are used for stabilizing the surface of shifting sand and preventing the surface of the shifting sand from moving; sand-fixation vegetation is then planted in the centers of the tree grates to stabilize shifting sand at deeper layers; a layered nutrient solution inside the degradable tree grates can slowly supply nutrients without affecting the use of pesticides; compost and cellulose produced after decomposition increase the activity of soil, improve the microbial diversity of the soil, and promote the activity of microorganisms in the soil, thereby enhancing the biological activity of the soil; and the cellulose decomposes in the soil, increasing the organic matter content of the soil, and improving the structure of the soil.

The utility model provides a soil conservation device for ecological restoration, and relates to the field of soil restoration. A soil conservation device for ecological restoration comprises a traction frame used for fixing, a plough is arranged above the traction frame, a bulldozing plate is fixedly installed behind the traction frame, a material sliding pipe is fixedly installed above the traction frame, the outlet end of the material sliding pipe is located behind the plough, the material sliding pipe is divided into two sections, one section is obliquely arranged above the plough, and the other section is obliquely arranged above the plough. The two sections of material sliding pipes are communicated, the number of the ploughs is multiple, the multiple ploughs are fixedly installed above the traction frame at equal intervals, and the gap between every two adjacent ploughs is larger than the width of the corresponding plough. According to the soil conservation device for ecological restoration, soil is broken open through a plough, then conservation fertilizer is dispersed in ditches through a material sliding pipe, the conservation fertilizer is covered in time through a bulldozing plate on the rear portion, and therefore the problem that the conservation fertilizer is blown away by wind in the throwing process can be avoided.

The utility model discloses electric power contaminated soil remediation equipment, and relates to the field of soil remediation. The electrodynamic force contaminated soil remediation equipment comprises a soil box and an electrode chamber, the electrode chamber comprises a cathode chamber and an anode chamber, the cathode chamber and the anode chamber are located on the two sides of the soil box respectively, electrode insertion holes are formed in the cathode chamber and the anode chamber, graphite electrodes are inserted into the electrode insertion holes, the graphite electrodes are connected with limiting blocks, and the limiting blocks are connected with the soil box. And exchange holes are formed in the inner sides of the cathode chamber and the anode chamber and communicate with the interior of the soil box. The direct-current power supply and the electrode chamber are arranged, the graphite electrode with low direct current is inserted into the polluted soil, heavy metal ions in the soil are enriched towards the electrode under the action of an electric field, and the heavy metal ions can be collected and treated in a centralized mode. Under the action of an electric field, heavy metal ions are rapidly migrated and enriched towards the electrode under the action of electroosmosis and electromigration, and heavy metal pollution can be efficiently and thoroughly treated.

This invention belongs to the field of road construction inspection and discloses a road construction quality inspection device, including a body, a roller fixedly mounted at the bottom of the body, a push rod fixedly mounted on one side of the body, a control panel fixedly mounted on one side of the body, a rotating device fixedly mounted on the inner wall of the body, a lifting device fixedly mounted below the rotating device, inspection devices fixedly mounted on both sides of the lifting device, a pressure device fixedly mounted on one side of the upper inner wall of the body, a compaction hammer fixedly mounted on the other side of the inner wall of the body, and an adhesive device fixedly mounted on the inner wall of the body. The purpose of this invention is to provide a road construction quality inspection device that solves the problem of soil deformation caused by frequent sampling in existing road construction quality inspections, which affects the quality of foundation construction. It achieves accurate detection of road construction quality while effectively restoring the sampled soil area. In particular, the newly added adhesive function improves the adhesion effect after soil restoration, further ensuring construction quality.

The present application belongs to the field of ecological restoration technology, and particularly relates to a high-efficiency mixing device for soil restoration agent, which comprises a vehicle body, a rotary tillage device located at the front end of the vehicle body in the direction of travel, the rotary tillage device being connected with the vehicle body and used for soil crushing, a soil shoveling device, the feeding end of which is communicated with the discharging end of the rotary tillage device, the soil shoveling device being connected with the vehicle body, a conveying belt assembly, the feeding end of which is communicated with the discharging end of the soil shoveling device, the conveying belt assembly being used for soil conveying and having one end connected with the soil shoveling device, a soil restoration agent mixing device, the feeding end of which is communicated with the discharging end of the conveying belt assembly, the other end of the conveying belt assembly being connected with the soil restoration agent mixing device, the soil restoration agent mixing device being used for uniformly mixing soil and restoration agent, and a spreading device, the feeding end of which is communicated with the discharging end of the soil restoration agent mixing device, the spreading device being connected with the vehicle body and having a discharging end facing the ground surface and being used for spreading the soil mixed with the restoration agent on the ground surface.