134 results about "Soil restoration" patented technology

The invention discloses a coal-based solid waste ecological restoration material and a preparation method thereof. The preparation method comprises the following steps: mixing coal gangue powder with a cementing material, a mineral activator and a physical pore-forming foam body, and curing to prepare a porous sandy soil matrix; and uniformly mixing the prepared porous sandy soil matrix with coal slime and a complex microbial inoculant, and performing fermentation and precipitation to obtain the coal-based solid waste ecological restoration material. Due to the addition of the cementing material, the strength of a sandy soil matrix framework is enhanced, collapse of pore channels in the crushing process is reduced, and the water retention and air permeability of the material are improved. Compared with traditional aluminum powder chemical foaming and strong acid foaming, the physical foaming technology adopted by the invention improves the operation safety while reducing the cost, and facilitates standardized production. Nutrient elements in the ecological restoration material can be fully released through the activation effect of the bacterium-fungus complex microbial inoculant. The ecological restoration material can be applied to environmental restoration fields such as mine soil restoration and land reclamation.

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 the technical field of soil remediation, and discloses a garden soil pollution remediation device which comprises a supporting seat, the top of the supporting seat is fixedly connected with a material tank, the inner wall of the supporting seat is fixedly connected with a motor, the top of the supporting seat is fixedly connected with a waste gas tank, a heating mechanism is arranged in the material tank, and a stirring mechanism is arranged in the material tank. A cleaning mechanism is arranged in the material tank, a heating rod and a heat conduction circular ring move up and down in a reciprocating mode, soil at different depths in the material tank can be heated, the soil in the material tank is evenly heated, the heating speed of the soil is increased, the soil temperature can be increased through soil heating, and therefore dissolving and releasing of some heavy metal in the soil are accelerated; the remediation efficiency of the device on the contaminated soil can be improved, and the soil remediation cost of the device can be saved through indirect outflow of the catalyst.

The utility model discloses a microorganism mixing device for contaminated soil remediation, comprising: a main structure; the main structure comprises a support plate, a connecting frame for connecting agricultural machinery is arranged on one side of the top of the support plate; a crushing mechanism; the crushing mechanism comprises a first crushing rod, a second crushing rod and a crushing arm, the first crushing rod and the second crushing rod are both rotatably mounted between the inner walls of both sides of the support plate, the first crushing rod and the second crushing rod are both welded with crushing arms, and the first crushing rod and the second crushing rod are driven by a motor; a spraying mechanism; the spraying mechanism comprises a storage box for storing microbial solution, a pump body and a spraying pipe, the storage box is arranged on the top of the support plate, and a plurality of groups of nozzles are arranged at the bottom of the spraying pipe. By cooperating with agricultural machinery, large-area contaminated soil can be remediated, which not only reduces the workload of soil remediation, but also has high remediation efficiency and low remediation cost.

The invention discloses an evaluation method and device for a farmland soil remediation technology. The environment data acquired from the preset farmland covers all stages divided according to the to-be-evaluated soil remediation technology, and the stages comprise the whole life cycle process from resource and energy consumption to pollutant emission. An environment influence data set constructed through the data is input into eFootprint software for modeling, and the software outputs environment influence indexes and carbon footprint values of all stages according to a life cycle evaluation model, preset input and output types, transportation information and data sources. The indexes and the numerical values are further used for calculating the proportion of the influence of each stage on the environment, and the specific influence of each stage on a specific area is evaluated according to the proportion, so that a comprehensive environment influence analysis framework is provided, and optimization and improvement of a soil remediation technology are supported.

The invention discloses an ecological restoration method and device for multi-type land soil, relates to the technical field of soil restoration, solves the problem of low soil restoration efficiency caused by low mixing efficiency of restoration liquid and soil in the prior art, and provides the ecological restoration method and device for the multi-type land soil. According to the soil remediation device, a chemical outlet assembly and a stirring assembly are arranged, then through cooperation of an outer sleeve and a rotating pipe in the chemical outlet assembly, remediation liquid can rapidly permeate into soil, and through the effect of the arranged stirring assembly, the soil, needing to be remediated, in a remediation tank is stirred through rotation of a stirring rod; the soil can be uniformly and quickly mixed with the remediation liquid, so that the mixing efficiency of the soil and the remediation liquid is improved, the remediation efficiency of the soil is improved, and the problem of low soil remediation efficiency caused by low mixing efficiency of the remediation liquid and the soil in the prior art is solved.

The invention provides an efficient reduction remediation method for cadmium pollution of rice field soil, and relates to the technical field of soil remediation. The efficient decrement remediation method for rice field soil cadmium pollution comprises the steps that high-cadmium-absorption-accumulation rice is planted in a target rice field; after the cadmium high-absorption accumulation rice turns green in the seedling stage, a deep water management process is conducted on the target rice field till the cadmium high-absorption accumulation rice is mature; the deep water management process comprises the step of repeatedly and periodically carrying out dry-wet alternate treatment and field drying on the target rice field; and harvesting the rice with high cadmium absorption and accumulation and separating from the field. According to the remediation method, on the premise that the structure and attributes of the rice field are not changed, according to the water requirement rule of the rice growth cycle, deep water fine management (water management cycle, frequency, strength and parameter control) is adopted, soil cadmium is activated, rice high absorption and accumulation of cadmium are enhanced, and efficient decrement remediation of soil cadmium pollution of the rice field is 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 utility model relates to the technical field of mining area restoration, in particular to a grass planting bag for regreening and restoration of a mining area, which comprises at least one grass planting unit, and each grass planting unit comprises a grass planting bag layer, a fiber cotton layer and a breathable soil restoration layer which are sequentially arranged from top to bottom. The grass planting wrapping layer is filled with grass seeds and matrix soil, and the breathable soil restoration layer is filled with ceramsite and soil restoration nutrient organic matter in a staggered mode. According to the grass planting bag for re-greening and repairing the mining area, the grass planting bag layer is filled with the grass seeds and the matrix soil, the fiber cotton layer is arranged in the middle, and the two layers are comprehensively overlaid, so that the grass planting bag has the advantages of heat preservation, moisture preservation, water retention, degradability and high air permeability, the germination and survival rate of the grass seeds can be increased, and the rapid re-greening effect in the arid and semi-arid mining repairing area is achieved; furthermore, ceramsite and soil remediation nutrient organic matters are filled in the breathable soil remediation layer in a staggered manner, so that the remediation of the soil in the mining area can be further realized.

The invention provides a soil ecological restoration detection method and system based on artificial intelligence, and the method comprises the steps: optimizing the network parameters of a first soil restoration state detection network and a second soil restoration state detection network according to a comparison result, and obtaining the trained first soil restoration state detection network and second soil restoration state detection network; and receiving to-be-processed soil ecological restoration data, extracting feature information of the to-be-processed soil ecological restoration data through the trained first soil restoration state detection network, and carrying out soil ecological restoration data detection to obtain a detection result. Multi-label training is performed on the two networks through combination of contained labels between soil object labels and soil ecological restoration data with similar soil ecological restoration data characteristics and training of the soil ecological restoration data, network parameters of the two networks are optimized according to a comparison result, and the working efficiency of the trained networks is improved. Therefore, the information detection precision is improved, and the reliability of ecological restoration is guaranteed.

The present invention provides a model for intercropping restoration of heavy metal contaminated soil between hyperaccumulators and low-accumulator crops and a construction method thereof, and belongs to the technical field of heavy metal contaminated soil restoration models. The invention comprises the following steps: planting hyperaccumulators and low-accumulator crops according to the intercropping pattern of hyperaccumulators and low-accumulator crops; collecting parameter information, performing regression analysis, constructing a heavy metal low-accumulator crop yield model and a heavy metal contaminated soil restoration efficiency model; and verifying the heavy metal low-accumulator crop yield model and the heavy metal contaminated soil restoration efficiency model by trial and error. The establishment of the intercropping competition yield model and the restoration efficiency model between low-accumulator crops and hyperaccumulator plants clarifies the competitive relationship between intercropped plants, provides a theoretical basis for evaluating the restoration effect of the intercropping pattern, helps to demonstrate and promote the intercropping restoration technology, and is of great significance to the social, economic, and ecological benefits of the restoration area.

The present invention relates to the technical field of soil ecological restoration, and discloses an agricultural soil restoration device, including a base, a handrail fixedly installed on one side of the base, and a fixed column fixedly connected to the lower surface of the base, a walking wheel is arranged at the bottom of the fixed column, a medicine barrel is fixedly installed in the middle of the base, a feed port is eccentrically arranged on the top of the medicine barrel, and an adjustment mechanism is arranged on the side of the medicine barrel close to the handrail. The rotating shaft is driven to rotate by rotating the turntable, thereby driving the eccentric disk to rotate, and the eccentric disk rotates to squeeze the top block, so that the mounting plate slides downward inside the slide groove, thereby driving the column to slide downward inside the base, so that the soil shovel moves downward, and the spring is used to pull the mounting plate to reset, and pull the soil shovel upward when the eccentric disk rotates to adjust the depth of its insertion into the soil. The design can adjust the height of the soil shovel to achieve the best working angle and depth, thereby improving work efficiency.

The invention belongs to the field of sustainable agriculture, and particularly relates to a moisture efficient optimization regulation and control method coupled with black soil cultivated land quality dynamic evaluation. According to the method, the influence of the moisture process on black soil erosion is introduced, and accurate soil loss amount evaluation is realized; in combination with key constraint conditions such as soil erosion and salinization, an optimal calculation method is proposed, the optimal irrigation water amount and irrigation mode are scientifically decided, and the risk of soil degradation is reduced to the maximum extent while it is ensured that the black soil area meets the water demand of crops; the index model (SRI) for quantifying the black soil restoration effect is provided by integrating multi-dimensional key indexes such as soil erosion, salinization, soil nutrients and a soil structure, and the soil health condition and the restoration effect are quantitatively evaluated.

The invention relates to the technical field of soil remediation, and particularly discloses a remediation agent filling device for soil remediation, the remediation agent filling device comprises a floating seat, a stock bin and feeding mechanisms, the floating seat comprises a supporting frame and a floating cylinder fixedly mounted at the bottom of the supporting frame, and at least one feeding mechanism is mounted on the peripheral side of the supporting frame; the stock bin is installed on the supporting frame and communicated with the feeding mechanism. A floating seat comprises a supporting frame and a floating cylinder fixedly mounted at the bottom of the supporting frame, at least one feeding mechanism is mounted on the peripheral side of the supporting frame, each feeding mechanism comprises a feeding outer cylinder and an inner cylinder slidably mounted in the feeding outer cylinder, and a driving mechanism for driving the inner cylinders to move is mounted on the feeding outer cylinders, so that the feeding outer cylinders can be driven to move, and the feeding outer cylinders can be driven to move. After the driving mechanism drives the inner cylinder to move, the soil remediation agent in the inner cylinder is thrown out of the inner cylinder and the feeding outer cylinder under the inertia effect, feeding of the soil remediation agent is achieved, and the feeding efficiency of the soil remediation agent is improved.

The invention discloses a mountainous city ecological environment restoration analysis method which comprises the following steps: S1, acquiring mountainous terrain ecological state data, and performing index calculation on soil restoration, vegetation coverage and water quality restoration data; s2, performing ecological environment restoration decomposition through an analytic hierarchy process according to the index data, and performing index node updating operation according to decomposition content; and S3, according to an index node updating operation result, carrying out index comparison and judgment, and carrying out mountain terrain vegetation coverage restoration according to an ecological system restoration expected target.

The invention relates to the field of soil remediation in environmental protection, in particular to a heavy metal contaminated soil rotational flow crushing grading reduction and enhanced elution method and system. The method comprises the following steps: carrying out first-stage rotational flow crushing pre-sequencing classification or multi-stage rotational flow crushing pre-sequencing classification on heavy metal polluted soil with the particle size of less than 0.2 mm after vibratory screening until the heavy metal content of underflow soil reaches the standard, and premixing overflow generated by all classification and leacheate in a material tank; the formed mixed material is divided into underflow and overflow after being subjected to rotational flow intensified elution, the underflow and the overflow after being subjected to rotational flow intensified elution are introduced into the material tank, and the underflow after being subjected to rotational flow intensified elution is filtered and dehydrated after the content of the heavy metal in the soil in the material tank reaches the standard, so that the soil with the heavy metal reaching the standard is obtained. Agglomerated soil particles are dispersed into coarse particles with low heavy metal content and fine particles with high heavy metal content through rotational flow crushing, pre-sequencing and grading, the amount of soil needing to be leached is reduced, and the polluted soil reaches related standards after being treated.

The invention discloses soil environment remediation treatment equipment, and relates to the field of soil remediation device.The soil environment remediation treatment equipment comprises a fixed table, crawler belts are arranged on the two sides of the fixed table, the fixed table is connected with an operation table, the operation table is rotationally connected to the fixed table through a rotary disc, and a storage box is arranged on the rear side of the fixed table; a heavy metal treatment agent is contained in the material storage box, a workbench is arranged on the front side of the fixed table and connected with the fixed table through a connecting shaft, a soil turning device is arranged in the workbench and connected with a spraying device for spraying the heavy metal treatment agent, and the connecting shaft is of a telescopic structure. The soil turning device has the advantages that soil turning work can be achieved, in the process, a heavy metal treating agent is evenly sprayed to turned soil, the contact effect of the heavy metal treating agent and the soil is improved, meanwhile, soil adhesion can be avoided in use, and the soil turning efficiency is improved.

The present invention discloses a soil tillage device for vegetable planting. Among them, the soil turning plow knife is fixedly connected to the head of the installation frame and is used to turn up the soil and vegetable residual roots and stems and convey them to the soil breaking and screening component; the soil breaking and screening component is arranged behind the soil turning plow knife and is used to break up the lumpy soil and screen it to the backfilling component; the root and stem crushing component is arranged behind the soil breaking and screening component and is used to collect and crush the vegetable residual roots and stems; the shallow burial component is connected to the downstream end of the root and stem crushing component and is used to spread the crushed vegetable residual roots and stems into the soil; the backfilling component is arranged below the soil breaking and screening component, and the backfilling component is used to backfill the broken soil above the broken vegetable residual roots and stems. It can fully crush and shallowly bury the vegetable residual parts, can break and cover the lumpy soil with the vegetable residual parts, ensure the full fermentation of organic fertilizer in the soil, can quickly complete the tillage of the field for planting vegetables, and shorten the time for soil restoration of the field.

The utility model relates to the technical field of barren soil remediation, and discloses a soil layer structure for barren soil remediation, which is laid at the top of a barren soil layer and sequentially comprises a low gel solidification layer, a first soil filling layer, a second soil filling layer and an ECM (extracellular matrix) anti-erosion fiber protection layer from the barren soil layer to the top, a polypropylene anti-loosening plate is further arranged between the first soil filling layer and the second soil filling layer; through the low gel solidification layer, the first soil filling layer, the anti-loosening plate, the second soil filling layer and the ECM anti-erosion fiber protection layer, the barren soil is rapidly repaired, the barren soil repairing cost is reduced, the barren soil repairing procedure is simple, and the barren soil repairing efficiency is improved; the method has the advantages of being low in soil remediation cost, simple in procedure, environmentally friendly and the like, and the problems that existing soil remediation cost is too high, green and environmentally friendly cannot be achieved, and the procedure is tedious are solved.

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 the technical field of soil remediation, and discloses a soil remediation device and application thereof. The soil remediation device comprises an anode chamber (1), a cathode chamber (2), a proton exchange membrane (3) and an external circuit, a substrate in the anode chamber (1) contains oxidizing bacteria, the cathode chamber (2) contains reducible substances, the proton exchange membrane (3) is used for separating the anode chamber (1) and the cathode chamber (2), and the external circuit is connected with the anode chamber (1) and the cathode chamber (2). Power lines at two ends of the external circuit are respectively connected with electrodes in the anode chamber (1) and the cathode chamber (2) to form a closed circuit. The device can be used for remediation treatment of organic pollutant and heavy metal contaminated soil, and is high in remediation efficiency, low in treatment cost and free of secondary pollution.

The utility model relates to the technical field of soil remediation, and discloses a municipal garden environment-friendly soil remediation treatment device which comprises a remediation shell, a mixing cavity is formed in the lower end of the interior of the remediation shell, and a funnel-shaped soil groove and a fertilizer groove are formed in the two sides of the top end of the remediation shell respectively. The driving motor is controlled to work, the spiral conveying blade and the adjusting blade can be driven to rotate through the first connecting rod, soil and soil remediation fertilizer in the soil groove and the fertilizer groove can be evenly guided into the mixing cavity to be mixed, the soil is prevented from being stacked together, and the soil remediation efficiency is improved. Meanwhile, in the rotating process of a first connecting rod, a first belt wheel can be driven to rotate, and a second belt wheel can be driven to rotate through a transmission belt, so that a mixing rod on the outer side of a second connecting rod can be automatically driven to rotate in a mixing cavity; the mixing effect of the soil and the soil remediation fertilizer is further effectively improved.

The invention belongs to the technical field of chemical engineering manufacturing industry, and particularly relates to a preparation and application method of a novel compound fertilizer suitable for sandy soil remediation. The preparation method of the compound fertilizer comprises the following steps: 1) pretreating slaughtered waste pigskin, then adding a protease hydrolysis solution for treatment and suction filtration, and freezing and drying the obtained filtrate to obtain pigskin protein powder for later use; 2) calcining attapulgite, cooling to room temperature, adding a solution of coconut shell carbon, woody peat and pigskin protein powder, and grinding to obtain composite particles; (3) putting the composite particles into an aqueous solution containing inorganic nutrient elements, stirring, then heating, adding a microbial complex microbial inoculant, and uniformly stirring to obtain a mixed solution; and (4) adding a polyglutamic acid solution into the mixed solution, uniformly stirring, adjusting the pH value to be neutral, and drying at low temperature to obtain the compound fertilizer. The invention researches and develops a compound fertilizer formula capable of improving the soil performance and promoting the growth of plants in desertification soil at the same time.

The present invention relates to the technical field of soil remediation, and in particular to a soil screening device for soil remediation that can avoid soil accumulation. Its technical solution includes: a screening device main body and a feed hopper provided on the top of the screening device main body, a preliminary screening mechanism is provided in the screening device main body, the preliminary screening mechanism includes a crushing roller assembly and a beating roller rotatably installed in the screening device main body, the crushing roller assembly is located above the beating roller, the preliminary screening mechanism also includes a driving assembly fixedly installed outside the screening device main body for driving the crushing roller assembly and the beating roller to rotate, and the screening device main body is also provided with an anti-accumulation mechanism located below the preliminary screening mechanism. The present invention can avoid the conditions for soil accumulation and agglomeration through this multi-step refinement process, thereby ensuring the improvement of the effect of soil remediation.

The invention discloses a heavy metal contaminated soil remediation and purification device for sorghum planting, and relates to the field of soil remediation. A restoration and purification device for sorghum planting heavy metal contaminated soil comprises a vehicle frame, two sets of moving wheels are symmetrically and rotationally connected to the two sides of the vehicle frame, and the restoration and purification device further comprises supporting plates symmetrically arranged on the upper portions of the two sides of the vehicle frame; the first rotating shaft is rotationally connected between the two supporting plates; the plurality of rows of soil turning knives are fixedly connected to the first rotating shaft at equal intervals in a circumferential manner; when heavy metal contaminated soil is repaired, the soil below can be turned over to the upper side, the soil can become looser, the soil on the surface and the soil inside can make contact with a soil repairing agent solution, the soil repairing agent solution can be dissolved into the soil more quickly, and the soil repairing effect is improved. And compared with the prior art, the remediation effect on the soil polluted by the heavy metal can be further improved.

The invention belongs to the field of road construction detection, and discloses a road construction quality detection device which comprises a machine body, rollers fixedly arranged below the machine body, a push rod fixedly arranged on one side of the machine body, a control panel fixedly arranged on one side of the machine body, a rotating device fixedly arranged on the inner wall of the machine body, and a lifting device fixedly arranged below the rotating device. Detection devices are fixedly arranged on the two sides of the lifting device, a pressure device is fixedly arranged on one side above the inner wall of the machine body, a tamping hammer is fixedly arranged on the other side of the inner wall of the machine body, and a bonding device is fixedly arranged on the inner wall of the machine body. The invention aims to provide the road construction quality detection device, the problems of soil deformation and influence on the foundation construction quality caused by frequent sampling in the existing road construction quality detection are solved, the sampled soil area is effectively recovered while the accurate detection of the road construction quality is realized, and particularly, through a newly added bonding function, the road construction quality is effectively improved. The bonding effect after soil remediation is improved, and the construction quality is further guaranteed.

The invention provides a soil structure restorer as well as a preparation method and application thereof, and relates to the technical field of soil remediation. The soil structure restorer provided by the invention is prepared from the following components in percentage by weight: 0.1 to 1 weight percent of surfactant, 0.1 to 1 weight percent of foam stabilizer, 0.05 to 1 weight percent of enhancer and the balance of water, wherein the total weight of the soil structure restorer is 100 percent; the foam stabilizer is prepared from one or more of nano kaolin, nano bentonite, nano silicon dioxide, nano attapulgite and nano montmorillonite; the reinforcing agent comprises cellulose and / or cellulose derivatives. The soil structure restorer provided by the invention is short in restoration time, high in applicability, long in restoration duration time, high in technical expandability and small in environmental influence.

The invention discloses a preparation method of titanium gypsum-plant ash composite soil conditioner embedded pellets, which comprises the following steps: step 1, mixing titanium gypsum and plant ash to obtain a titanium gypsum-plant ash composite soil conditioner; step 2, soaking sodium alginate in ultrapure water, adding the titanium gypsum-plant ash composite soil conditioner, and continuously stirring to obtain a mixed solution; and step 3, pumping out the mixed solution into a CaCl2 aqueous solution to enable the mixed solution to form small balls, and standing to obtain the titanium gypsum-plant ash composite soil conditioner embedded small balls. The titanium gypsum-plant ash composite soil conditioner embedded pellets have good improvement performance and plant growth promoting performance on soil with different degrees of acidification, the pH of the soil can be restored to be close to 7.0, the plant height of oat grass can be increased to about 1.5 times of the original plant height, the dry weight can be increased to about 2 times of the original plant height, and the yield of the oat grass can be increased to about 2 times of the original plant height. Meanwhile, the activity of soil urease and dehydrogenase can be promoted to be improved by about 1.7 times.

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.