14results about How to "Reduce wind erosion" patented technology

The invention discloses a construction method for governing and repairing desertification degraded grassland in an arid area, and relates to the technical field of sand governing. The method comprises the following steps: evaluating a native vegetation type, vegetation coverage, a soil degradation and desertification degree, a soil type and a water resource condition; performing classified measures according to natural conditions, and determining different types of dune (flowing, fixed or semi-fixed) treatment measures; construction preparation; grid sand barriers are laid on the windward sides of the moving dunes and the semi-fixed dunes, and sand stabilization operation is conducted in a mechanical and manual combined mode; digging pits to plant indigenous shrubs subjected to special treatment, and using rooting water retention bags to improve the survival rate; the granular organic fertilizer and the seeds are mixed and stirred according to a certain proportion and then sown into soil at a time, the operation frequency is reduced, and precise fertilization is achieved. Through effective sand prevention and control measures, the sand wind damage is reduced, the living environment of farmers and herdsmen is protected, and the living quality is improved.

The invention belongs to the technical field of agriculture, and particularly relates to a method for improving thin, thin and hard black land to make nutrients and moisture efficiently utilized, in particular to a method for improving thin, thin and hard black land to make nutrients and moisture efficiently utilized. According to the method for improving the thin, thin and hard black land and improving the efficient utilization of nutrients and moisture of the thin, thin and hard black land, aiming at the characteristics of thin and hard land parcels, wide-narrow-row crop rotation, straw returning to the field and organic fertilizer applying are adopted, straw returning to the field and organic fertilizer applying are adopted to supplement soil organic matter, and a strip ploughing technology is adopted on a machine tool, so that the yield of the soil is increased; soil is not moved in a large area, and a strip tillage machine is only adopted to perform strip tillage operation at the seedling zone to form a seedbed structure with the upper part open and the lower part solid; an intertillage and deep scarification technology is adopted, a deep scarification machine for efficiently utilizing water and fertilizer in a thin and hard black soil area is used, a plow pan is broken, upper water and lower water are communicated, a rat channel component is arranged, a rat channel is formed after deep scarification, a small reservoir and a soil layer are formed below a plough layer, straw is fully returned to the field, organic fertilizer is additionally applied, and soil hardening and water and soil loss are reduced. The organic matter content and activity of the black soil layer are gradually recovered.

The invention discloses a ternary sand-fixing water-retaining seepage-proofing fertility-increasing vegetation restoration and reconstruction method, and relates to the technical field of operation methods of sand ecological restoration, and the method comprises the following steps: S1, laying a layer of seepage-proofing material on the surface layer of a target planting area to reduce water seepage and enhance soil water-retaining capacity; s2, mixing a water-retaining agent with local sandy soil to form a water storage layer, and paving the water storage layer on the surface of the impermeable material to ensure that the plant root system can obtain water for a long time; s3, applying an organic fertility intensifier to the water storage layer to improve the organic matter content and nutrient supply capacity of the soil; s4, appropriate plants are selected for planting, after planting, the vegetation growth condition and the soil humidity are checked regularly, a water-retaining agent and an organic fertility increasing agent are supplemented in time according to needs, and it is ensured that the vegetation can grow healthily. The planting method provided by the invention has a remarkable yield increasing effect, the survival rate of plants can be effectively improved, and the effect of fixing sand for a long time is achieved.

The invention discloses a photovoltaic solar panel capable of adapting to a strong wind environment, and relates to the technical field of photovoltaic solar panels. The device comprises a column body, the surface of the column body is slidably connected with the inner wall of a track, the surface of the side, away from a bottom plate, of the column body is rotatably connected with the inner side face of an anti-collision assembly, the side, away from the bottom plate, of the anti-collision assembly is fixedly connected with the side, close to the track, of a shell, a lighting assembly is fixedly installed in the shell, and the column body slides in the track. The shell can rotate around the track and also can rotate around the column body, the area blown by the strong wind can be reduced to the maximum extent, the influence of the strong wind on the shell for a long time is avoided, and the wind erosion on the device is reduced; and the service life in a strong wind area is prolonged.

The invention belongs to the technical field of ecological environment restoration, and particularly relates to an arid region gobi gravel curtain layer reconstruction method. Gobi in the arid region is subjected to earth surface leveling, gravel layer paving and saline pressing in sequence, and a gravel curtain layer is obtained. The gravel curtain layer earth surface reconstructed through the method has no obvious landscape difference with the surrounding natural gravel curtain layer earth surface, salt crust and gravel are tightly bonded together to form a hard soil protection layer, the earth surface can be effectively solidified, and soil wind erosion can be resisted.

The utility model discloses a green permeable pavement which comprises a permeable asphalt layer, a surface layer is arranged on the surface of the permeable asphalt layer, turf is paved on the surface of the surface layer, a fixed grid is arranged on the bottom surface of the permeable asphalt layer, a permeable surface brick layer is arranged on the bottom surface of the fixed grid, and a filter layer is arranged on the bottom surface of the permeable surface brick layer. A semi-rigid base layer is arranged on the bottom surface of the filtering layer, a bearing layer is arranged on the bottom surface of the semi-rigid base layer, the fixed grid, the water-permeable surface brick layer, the semi-rigid base layer, the protective agent, the bearing layer and the gravel layer are arranged, and the fixed grid is located between the water-permeable asphalt layer and the water-permeable surface brick layer, so that the bearing capacity and durability of the pavement can be remarkably improved; the bearing layer is located between the surface layer and the base layer and can reduce impact on the pavement structure by dispersing loads, and the protective agent is made of a polyurethane material and can form a layer of tough film, so that the wear resistance of the pavement is greatly improved, and the service life of the permeable pavement is prolonged.

The invention provides an ecological restoration method for moss crust in a dry-hot valley area by taking slag as a main material. An ecological restoration base material comprises the following components: slag, planting soil, plant straw, a water-retaining agent, a fertilizer-retaining agent, a structure modifier, a growth promoting agent and moss powder. The slag is used as a main material, engineering waste is effectively converted into ecological restoration resources, environmental pollution and resource waste are reduced, the physical structure of soil is improved through the water-retaining agent and other admixtures, the air permeability and drainage of the soil are improved, growth of moss roots is promoted, ecological restoration is promoted, and increase of biological diversity is promoted; the formation of the moss crust can improve the local microclimate, increase the soil humidity and promote the growth of other plants, and the physical characteristics of the slag and the growth of the moss are combined, so that the moss can better survive under a drought condition, the adaptability of the moss to a dry and hot environment is enhanced, soil wind erosion is effectively prevented, and soil resources are protected.

The utility model discloses a surface soil resource protection device capable of reducing soil resource loss, and belongs to the technical field of surface soil protection. Comprising protective cloth, clamping pipes and ground nails, a plurality of connecting holes are formed in the four side edges of the protective cloth respectively, the clamping pipes are arranged in the connecting holes, the clamping pipes are clamped in the connecting holes, every two clamping pipes can be detachably connected, every two protective cloth are connected through the clamping pipes, the ground nails penetrate through the clamping pipes in an inserted mode, and the ground nails penetrate through the ground nails. The protective cloth is fixed through ground nails; the device is simple in structure, easy to process, convenient to operate and good in durability, the protection effect on temporarily stacked surface soil is improved, the influence of water and soil loss caused by rain wash, surface runoff and the like is reduced, and the device plays a crucial role in protecting surface soil resources.

The invention discloses a method for preparing a desertification ecological environment remediation material from coal gasification slag / red mud-based solid waste, the material, application and a remediation method, and belongs to the technical field of ecological environment remediation, the preparation method comprises the following steps: mixing coal gasification slag, red mud and soil, aging, granulating, and roasting at 1050-1150 DEG C to obtain the desertification ecological environment remediation material. The porous desertification ecological environment restoration material is prepared by fully utilizing the moisture contained in the red mud through precise compatibility and fully utilizing the carbon residue contained in the coal gasification slag through a reasonable granulation and scientific roasting mode, so that the energy consumption is reduced while solid waste recycling and harmlessness are realized, and the energy consumption is reduced. The application of the product can also play roles in delaying desert moisture evaporation and inhibiting sand and dust sources.

A system for preventing wind and fixing sand from entering the railway protection ecological environment, in the field of railway protection construction technology, the invention comprises: a sand fixing belt, an inner sand falling belt, a windproof green belt, an outer sand falling belt and a sand blocking belt arranged in sequence from the railway boundary to the outside; the sand fixing belt is composed of a sand fixing wall, a sand fixing grid chamber and a sand fixing sand ditch; the sand blocking belt is composed of an inner sand blocking wall, a sand retaining wall, a sand blocking grid chamber, an outer sand blocking wall and a sand blocking sand ditch. The invention overcomes the deficiencies of existing synthetic materials in terms of aging resistance, light resistance, cold resistance, environmental resistance and durability, and achieves the purpose of inhibiting wind erosion and fixing quicksand, ensuring that the railway is protected from sand disasters during operation, and forming comprehensive technical measures such as sand blocking, sand fixing and vegetation coverage to achieve a long-term mechanism for preventing wind and fixing sand. The invention is used in wind and sand control projects along railways.

The present invention discloses a method and material, application and restoration method for preparing desertification ecological environment restoration materials from coal gasification slag / red mud-based solid waste, which belongs to the technical field of ecological environment restoration. The preparation method is: mixing coal gasification slag, red mud and soil, aging, granulating, and roasting at 1050-1150°C to obtain desertification ecological environment restoration materials. The present invention fully utilizes the moisture contained in red mud through precise matching, and then fully utilizes the residual carbon contained in the coal gasification slag through reasonable granulation and scientific roasting to preheat and prepare porous desertification ecological environment restoration materials. While realizing the resource utilization and harmlessness of solid waste, it reduces energy consumption. The application of the product can also delay the evaporation of desert water and suppress the source of sand and dust.

This invention discloses an unmanned tracked robot for agricultural sowing, relating to the field of agricultural machinery technology. It includes an unmanned tracked sowing vehicle with a trapezoidal block fixedly connected to its top. A fixed horizontal plate is fixedly connected to the side wall of the trapezoidal block, and a centrifugal sowing component is mounted on the top of the fixed horizontal plate. The centrifugal sowing component includes a stepper motor fixedly connected to the side wall of the trapezoidal block. The centrifugal sowing component utilizes centrifugal force to throw seeds from the sowing device, causing the seeds to disperse evenly within a certain range. This avoids excessive concentration or uneven distribution of seeds, ensuring uniform seed distribution in the field and promoting uniform crop growth. The centrifugal sowing device can perform sowing operations at a high speed, significantly improving sowing speed compared to traditional manual sowing or some low-speed sowing methods. It can complete large-area sowing tasks in a short time, making it particularly suitable for large-scale agricultural production and effectively shortening the sowing cycle.

The utility model belongs to the technical field of agricultural machinery and equipment, provide a kind of corn harvesting wheat sowing combined device, including frame, the front end of frame is provided with header, the top of frame is provided with peeling module and granary, peeling module is communicated with header, peeling module is used to make corn peeling and threshing, granary is used to store the corn kernel after peeling module threshing, the bottom of frame is also provided with still field module, still field module is used to carry out still field treatment to straw;Wheat rotary sowing module, wheat rotary sowing module is set in the rear of frame, and wheat rotary sowing module includes rotary tiller assembly and wheat seed metering device arranged in order from front to back.The utility model can complete corn harvesting, straw treatment and wheat sowing in single time, effectively shorten operation cycle.

The utility model discloses a side slope prefabricated triangular steel pipe mesh protection structure with an inverted filtering function. The side slope prefabricated triangular steel pipe mesh protection structure comprises a connecting piece, a steel pipe mesh body and a planting bag. The connecting piece is fixedly arranged on an anchor rod on the surface of the side slope; the plurality of steel pipe mesh bodies are fixedly arranged above the side slope through the connecting pieces; the planting bag is fixedly arranged in the middle of the steel pipe mesh body; in the installation process of the protection structure, the steel pipe mesh body is constructed in advance, the middle of the steel pipe mesh body is filled with the replaceable planting bag, and then the steel pipe mesh body and the planting bag are fixedly arranged on the anchor rod on the surface of the slope through the connecting piece, so that slope soil is effectively stabilized, and the water and soil loss and landslide phenomena are prevented; the vegetation growth is promoted, the ecological restoration capacity of the side slope is enhanced, meanwhile, the construction difficulty is remarkably reduced through the replaceable modular design, different side slope conditions and environment changes are flexibly coped, meanwhile, interference to the environment is reduced, later operation and maintenance are facilitated, and the operation and maintenance difficulty and cost are reduced.