43 results about "Land restoration" patented technology

A transportable wave suppressor and sediment collection (WSSC) system, including a method of installing same, the system installed to suppress wave action and provide land restoration along the shore of a body of water, such as a coastline, which includes a plurality of interconnected sections of the system, each section including a base, a forward wall, and a rear wall, having a plurality of fluid flow pipes extending from the forward wall to the rear wall, for allowing water including sediment to flow into the pipes at the forward wall and exit the pipes at the rear wall. There is further provided a one-way valve member at the rear wall exit of each pipe, so that water carrying sediment cannot return through the pipe as the wave action recedes from the coastline. To allow water to return to the body of water, there is provided a flow opening including a weir between multiple sections so that water is able to flow there through. Each of the sections would be self-contained, and constructed of a material to allow each section to be floated to a location, wherein material, such as water, or the like, can be pumped into each section resulting in the section to sink and rest on the floor of the body of water, with an upper portion of the section extending a distance above the water surface. The sections would be interconnected and anchored to the floor, so as to provide a continuous system, interrupted only by the water return outlets as stated earlier.

The invention discloses a landfill surface filling system. The landfill surface filling system is sequentially provided with a surface layer, a protection layer, a drainage layer, an anti-seepage layer and an exhaust layer from top to bottom. The surface layer has the land restoration function, the protection layer is used for protecting the lower layer against damage caused by plants or animals or the like on the upper layer, the drainage layer can effectively reduce pressure on the lower anti-seepage layer, the anti-seepage layer can effectively prevent seeping water from entering buried waste, and the exhaust layer is mainly used for controlling gas of a landfill and avoiding damage to the anti-seepage layer caused by high pressure gas. In short, the landfill surface sealing system is good in sealing effect and has the exhaust function, and service life is prolonged.

A mining subsiding land environmental modification auxiliary decision information obtaining method comprises the following steps of obtaining, converting and superposing the mining subsiding land spatial data; butting the mine reserve data and directly obtaining the goaf data formed by the to-be-used reserves; carrying out the ultrasonic water depth detection on a sedimentation pools zone, real-timely acquiring the water weekly GNSS sedimentation automatic monitoring data and automatically superposing the spatial network points; carrying out the multilayer data analysis on the mining subsiding land data along a time axis; based on the mining subsiding land damage current situation and trend, obtaining the environmental modification auxiliary decision information. According to the present invention, by acquiring the basic data, such as the spatial dynamic data of the mining subsiding land, the mining data, etc., a mining subsiding land multi-dimension monitoring and prediction database is established, and a single-model uniform parameter conversion algorithm is adopted, thereby realizing the mining subsiding land environmental governance and land utilization economic analysis on the basis of one mathematical model, and providing the decision bases at the aspects of fund, technology and the like for the environmental governance of a mining subsiding area and the land recovery and utilization.

The invention discloses a saline-alkaline land ecological restoration device. By the saline-alkaline land ecological restoration device, saline-alkaline land restoration effect and restoration efficiency can be improved greatly; during restoration, automatic oscillating for discharging can be realized by only putting a saline-alkaline land restoration agent into a restoration agent storage box; during oscillating, discharging rate is controlled by a discharging speed control component, and discharging speed control can be realized by only controlling discharging rotating speed, so that convenience is brought to control; an oscillating sieve and spiral dispersion blades are utilized to disperse and spray the restoration agent, so that uniform plowing and spraying of the restoration agent can be realized, soil restoration uniformity is ensured, and restoration effect is guaranteed. The device realizes quick and uniform plowing and spraying of the saline-alkaline land restoration agent and effectively ensures uniformity of saline-alkaline land restoration.

The invention provides a geological environment treatment method suitable for a steep wall and deep pit type abandoned mine. The method comprises the steps of geological environment exploration, slope clearing treatment, mine pit backfilling, reinforced soil slope filling, retaining wall arrangement, rainwater drainage, slope crest water resistance, vegetation recovery, water storage preservation, deformation monitoring and the like. The specific environment conditions and the topographic features are effectively combined, artificial treatment is conducted on mine terrains formed by mining according to local conditions, and the good effect of recovering the geological environment of the abandoned mine is achieved. An artificial soil slope attaching steep wall which is filled with dump slag and local loess removes the potential geological hazards of collapse, slide and the like existing in steep wall and deep pit landforms, solves the problem that the land is occupied by mining wastes, and also facilitates vegetational cover and land restoration; mountains which recover green are fused together with surrounding natural mountains, the mountains recovering green and the surrounding natural mountains are synchronized in the four seasons, plants grow naturally, natural mountain appearance is recovered, and a contribution is made for national geological disaster control and ecological environment restoration.

The invention discloses an energy-saving microbial fertilizer fermentation tank and a fermentation method thereof in the technical field of microbial fermentation, the energy-saving microbial fertilizer fermentation tank comprises a buried fermentation tank, an anti-scale assembly is slidably connected in the buried fermentation tank, and a driving assembly is rotatably connected to the bottom of the buried fermentation tank at a position corresponding to the anti-scale assembly. According to the device, under the mutual cooperation of the designed structures such as the anti-scaling assembly, the drainage assembly and the composting assembly, under the action of pressure, a one-way valve plate is automatically opened, and high-pressure airflow can be sprayed onto the inner wall of the buried fermentation tank along the one-way valve plate, so that the cleaning effect on the inner wall of the buried fermentation tank is further improved; according to the present invention, the organic waste can be subjected to industrial high-density treatment, the nutrient solution is sprayed during the earthworm feeding process so as to meet the nutritional requirements during the earthworm feeding process and improve the earthworm yield, the excrement discharged by the earthworms is mixed with the organic waste to achieve the composting effect, and the produced organic fertilizer can be well suitable for land restoration.

The invention discloses an ecological restoration device for saline-alkali land. The saline-alkali land restoration device of the invention can greatly improve the effect and efficiency of saline-alkali land restoration. When repairing, just put the saline-alkali land restoration agent in the restoration agent storage box, and it can automatically oscillate Blanking, while oscillating, the feeding rate is controlled by the feeding speed control component, and the feeding speed control can be realized only by controlling the feeding speed, which is convenient to control, and then the repair agent is dispersed by the vibrating screen and the spiral dispersing blade Scattering and sprinkling realizes uniform plowing and sprinkling of the restoration agent to ensure the uniformity of soil restoration and the restoration effect. The invention realizes fast and uniform plowing and sprinkling of the restoration agent for saline-alkali land, effectively ensuring the uniformity of restoration of saline-alkali land.

The invention relates to the field of polluted land restoration and particularly discloses a method for cleaning land polluted by heavy metal. A land cleaning device is adopted for cleaning. The landcleaning device comprises a vehicle frame, a feeding mechanism and a cleaning mechanism. The vehicle frame is provided with vehicle wheels. A first motor is fixed to the vehicle frame. The feeding mechanism comprises a cutter and a first conveying belt. The cleaning mechanism comprises a second motor, a cleaning tank, a crank and a pull rod, and the crank, the pull rod and the cleaning tank form acrank slide block mechanism. The cleaning tank is internally provided with a stirring mechanism. The stirring mechanism comprises a screw rod, multiple stirring assemblies and limiting components. Each stirring assembly comprises an inner barrel, a one-way bearing and a rotating disc. Multiple rolling balls are arranged between each inner barrel and the screw rod. Each limiting component abuts against the outer wall of the corresponding rotating disc. A discharging barrel is fixed to each rotating disc. Water outlets are formed in each discharging barrel. The vehicle frame is provided with asecond conveying belt. The cleaning method comprises the steps of 1, material blending; 2, cleaning; 3, inspection; and 4, re-cleaning. By means of the method for cleaning the land polluted by the heavy metal, the land polluted by the heavy metal can be cleaned.

The present invention relates to the technical field of grassland sand restoration, and discloses a grassland patch sand restoration method, including: step S1, digging a trench along the border of the patch sand and toward the side edge of the main wind direction; step S2, Pile the excavated earth on one side of the main wind direction and form a mound windbreak; step S3, plant shrubs at the bottom of the ditch along the side boundary of the main wind direction; The inner surface of the boundary of the patch of sand is covered with a grid. The grassland patch sand restoration method has the advantage of effectively preventing water and soil loss in the patch sand.

The invention relates to a sea grass land restoration and reconstruction technology and particularly relates to a natural ripening accelerating and sowing method and device for a subtidal eelgrass reproductive plant. The method comprises the steps of clamping an eelgrass reproductive plant on a natural sea grass land onto a main rope and a side rope of a device, and then, putting the device for fixing the eelgrass reproductive plant into a proper natural sea area to carry out natural ripening accelerating and sowing on the eelgrass reproductive plant, wherein the device is sequentially provided with a floating ball, the main rope and a dropstone from top to bottom, the floating ball and the dropstone are respectively arranged at two ends of the main rope, and the main rope of which one end is provided with the floating ball is provided with the side rope along the length direction. By using the natural ripening accelerating and sowing method and device, an eelgrass seed can ripen and naturally drop, so that the collecting problem that the eelgrass seed does not ripen or the ripened seed drops is solved, and the sowing difficulty of seabed sea grass in a relatively deep subtidal water area is also overcome; by combining the simple, convenient and effective eelgrass sowing method, an eelgrass sea grass land in the relatively deep subtidal water area can be conveniently and rapidly restored or reconstructed; and meanwhile the device disclosed by the invention can be recycled, so that the cost can be reduced, and the used material cannot pollute the sea area.

The invention discloses a land restoration method for an abandoned sand mining field and relates to the technical field of abandoned land recycling methods. The restoration method includes the following steps: raw materials are transported to the field, the raw materials are smashed for preparation, the smashed raw materials are mixed and stirred, the stirred raw materials are fermented, and the processed raw materials are paved and rolled so that the abandoned sand mining field is filled and leveled up. The land restoration method for the abandoned sand mining field has the advantages that the land restoration burdening is scientific and reasonable, the quality of comprehensive backfill is high, and the physical properties of the land such as the bearing capacity and the shear force and the physical and chemical indexes of soil are fully considered. Therefore, the land restoration method for the abandoned sand mining field fully ensures the stability of the land topography restoration and the good cultivation function, provides quality assurance for the restoration and reconstruction of the ecological system, facilitates inspection and management, and is high in economic benefits, ecological benefits and environmental protection benefits.

The invention relates to an ecological restoration method for mining abandoned land, which belongs to the technical field of mine ecological restoration and solves the problems of high cost, unsustainability and possible secondary pollution in the existing mining abandoned land restoration method. The ecological restoration method includes: step 1, crushing waste biomass and performing hydrothermal carbonization, and performing solid-liquid separation on hydrothermal carbonization products to obtain solid hydrothermal carbon and hydrothermal carbon liquid; step 2, solid hydrothermal carbon Adding it into the nutrient solution for eutrophication to obtain eutrophic hydrothermal carbon; step 3, mixing eutrophic hydrothermal carbon, water-absorbing minerals, biological macromolecules, water-absorbing agent monomers, cross-linking agents and inducers and Carrying out the polymerization reaction to obtain the improver; step 4, adding the improver to the soil of the mining wasteland, and planting plants for ecological restoration. The invention utilizes waste biomass to prepare a green and high-efficiency modifier, and provides an environmentally friendly and sustainable method for ecological restoration of abandoned mining land.

The object of the present invention is to provide a building land restoration device, which is used to solve the technical problem of removing construction waste below the ground surface after the building land is overturned. A building land restoration device, which is installed on the rear end of a driving vehicle (such as a tractor), and is used to remove construction waste (such as bricks and cement blocks) below the surface of the building land after the overturning, so as to meet the requirements of land restoration; It includes a main frame 1, a control system, a pick-up system electrically connected to the control system, a discharge mechanism and a crushing mechanism. The picking system is used to obtain the construction waste in the soil; the unloading mechanism is used to undertake the construction waste obtained from the picking system, and after a certain amount of construction waste is collected, it will be discharged in a centralized manner; Crushed and shaken off before the unloading mechanism discharges the construction waste.

The invention relates to a ectotrophic mycorrhiza mycelium field in situ dynamic monitoring method in ecological environment reconnaissance. The monitoring method can completely monitor mycelium embedded on host plant root systems, and simultaneously in situ monitoring for a long time, and accordingly development rule of mycorrhiza and flora at different growing periods can be dynamically obtained. Therefore, technical support is provided for ectotrophic mycorrhiza and flora action mechanism study, quantitative study and application, and further important actual ecological significance for subsequent land restoration.