35 results about "Erosion control" patented technology

The invention discloses a composite conditioner for acid soil of slope cropland and application of the composite conditioner. The conditioner comprises the following components in percentage by mass: 12%-18% of calcium peroxide, 18%-32% of a buffer mineral compound, 1.5%-3.0% of an anti-scouring controlled-release material, 10%-25% of a nutrient carrier and fertilizer, 0.5%-3.0% of a binder and a granulation aid, and the balance of inert filler and water. The preparation process comprises the steps of dry mixing, granulation, drying and coating. The product provided by the invention can realize high residue of CaO and stable pH under the condition of heavy rainfall of slope cropland, effectively inhibit the pH fall of acid soil, reduce aluminum toxicity and reduce nutrient loss. By controlling the content and proportion of the calcium peroxide, the buffer mineral compound and the anti-scouring controlled-release material, the calcium peroxide, the buffer mineral compound and the anti-scouring controlled-release material have a synergistic effect in a slope cropland environment, so that not only is the initial rapid acid inhibition capability ensured, but also the lasting pH stability and high residual rate are realized through buffer and controlled-release technologies.

A technique for reducing erosion on the interior of a production component of a well system involves coating the interior of the production component with a series of ribs and grooves. The coating can be a non-metallic material in which the ribs and grooves are formed. The coating can also be applied as a series of ribs that are attached to the interior surface of the production component. The series of ribs can be made of alternating materials that have a different hardness causing the ribs to wear at different rates.

The invention relates to a method for repairing a part (100) made of an organic matrix composite material at least partially covered with an erosion control film (30), the method comprising the following steps: - removing the erosion control film from a damaged area (50) of the part, - removing an initial adhesive (32) that initially fixed the film to the damaged area to form a hollow portion (55), - applying a repair adhesive (38) to the hollow portion (55) or to one face of a patch of a replacement erosion control film (30') shaped to replace the film in the damaged area, - applying the patch of the replacement film (30') to the damaged area, - polymerizing the repair adhesive (38) at a polymerization temperature below 100°C, forming a repaired area (60) in place of the damaged area (50). Figure 8 (for the abstract)

The application relates to the technical field of ecological protection, and discloses a vegetation community configuration management system for ecological restoration of a dry valley, which comprises a multidimensional acquisition module, a community analysis module, an ecological evaluation module, a treatment analysis module and a configuration management module. The system fuses data through the multidimensional acquisition module, the community analysis module quantifies the growth tendency of the vegetation community in terms of functional composition, vertical structure and stand type through growth indicators, the ecological evaluation module comprehensively reflects the supporting capacity of topography and soil factors on the vegetation habitat through site index, the multidimensional evaluation has high precision, the treatment analysis module evaluates the comprehensive effect of a treatment scheme in terms of water source regulation, soil improvement, vegetation restoration and erosion control through efficiency index, the configuration management module judges the intervention level of the ecological environment in the dry valley region, the improvement level of site conditions, and the adaptation level of the treatment scheme, outputs corresponding judgment results and response measures, and has good intelligent management and protection effect.

This product is used for retaining walls, revetments, erosion control dams, sabo dams, etc., and is used as a packing stone inside. As shown in the reference front view and reference plan view, multiple products can be connected together and used.

The utility model discloses an anti-scouring river bank protection structure, and relates to the technical field of river regulation. The slope protection structure comprises a slope protection body, the slope protection body comprises a foundation layer, the foundation layer is laid on a river bank side slope, the bottommost layer of the foundation layer is a broken stone hardcore, the middle layer of the foundation layer is a gravel layer, and the top layer of the foundation layer is geotechnical cloth; the surface protection layer body covers the foundation layer and is composed of a plurality of prefabricated blocks which are connected with one another, a cavity is formed in each prefabricated block, and the adjacent prefabricated blocks are spliced with one another; the anchoring assembly comprises a plurality of spiral anchor rods and anchoring plates, the spiral anchor rods penetrate through the foundation layer and the surface protection layer body and are firmly connected with river bank soil or rock, and the anchoring plates are tightly attached to the junctions of the adjacent prefabricated blocks through the spiral anchor rods. According to the utility model, the structure of the slope protection is optimized and improved, and the foundation layer and the surface protection layer body are mounted and reinforced through the anchoring components, so that the mounting convenience and the use stability of the slope protection are improved.

This invention relates to the field of coastal ecological restoration technology, specifically to an ecological protection slope that mimics a natural coastline and its construction method. Along the sea-to-land direction, it comprises: a simulated natural dike foundation erosion control structure and an ecological vegetation restoration structure. The simulated natural dike foundation erosion control structure and the ecological vegetation restoration structure work together to form a coastal protection slope system that mimics a natural morphology and combines erosion resistance with ecological restoration functions. This invention forms a gradient protection system by setting up the simulated natural dike foundation erosion control structure and the ecological vegetation restoration structure. Simultaneously, the dike foundation structure utilizes the core features of prefabricated hollow concrete components stacked and corbelled, filled with natural rock blocks, and pre-reserved gaps between rocks and tidal pools. Combined with the basic components of the vegetation restoration structure, it achieves the integration of erosion protection, ecological habitat construction, and natural landscape restoration, fundamentally solving the problem of the disconnect between protection and ecology in the management of steep erosion coastlines.

The invention discloses an erosion control subsystem. The erosion control subsystem includes a first portion having a first dense fibrofelt, the first portion having a first water permeability. The erosion control subsystem includes a second portion adjacent the first portion, the second portion having a second dense fibrofelt, the second portion having a second water permeability. The first permeable rate is greater than the second permeable rate.

The invention relates to the technical field of soil fertility improvement and soil erosion prevention and control, in particular to a method for reducing the erodibility of soil in a wind erosion and water erosion staggered region. The method comprises the following steps: one year before sowing, thoroughly decomposed cow dung and sheep manure are uniformly applied to the earth surface for deep ploughing, and the depth is 15-25 cm; inorganic fertilizer is used as base fertilizer to be applied to the land together with the seeds during sowing; different amounts of urea are applied for topdressing in the jointing stage. The organic fertilizer (cattle and sheep manure) and the inorganic fertilizer are reasonably combined and applied, so that soil erodibility indexes (such as aggregate stability, organic matter content, cohesive force, compactness and the like) are remarkably adjusted, a comprehensive index for evaluating the soil erodibility is also constructed, key factors influencing the soil erodibility are analyzed, and the soil erodibility evaluation method has the advantages that the soil erodibility evaluation accuracy is improved. The method is suitable for the black soil area along the foot of the great khingan with staggered wind and water erosion.

An erosion control securing apparatus and method is disclosed. For example, an erosion control securing device is provided that includes a main shaft with a hexagonal-shaped head portion at its proximal end and a coil portion at its distal end. In one example, the coil portion of the erosion control securing device includes three turns. Further, a method of using the presently disclosed erosion control securing device for securing erosion control products is provided.

The invention relates to a method for determining the depth of an erosion gully traceability concave hole, and the method comprises the steps: S1, building a gully head traceability erosion cell and collecting a gully head picture in order to achieve the rapid and accurate measurement: 1.1, building a three-dimensional coordinate system: 1.2, carrying out the coordinate transformation; s2, reconstructing the three-dimensional shape of the gully head: 2.1, importing and aligning a picture; 2.2, loading a control point and pricking a point; 2.3, re-aligning the picture; 2.4, generating a point cloud and a DEM of an inner concave hole, and S3, extracting and calculating the depth of the inner concave hole: 3.1, creating a fishing net to extract the depth of the inner concave hole, 3.2, screening effective depth data of the inner concave hole, and 3.3, calculating the depth of the inner concave hole. The method has the advantages that the measuring stability is good, the error is small, the efficiency is remarkably improved, the problem that the datum plane of the concave hole is difficult to determine after the gully head collapses in the traceability erosion process is solved, rapid and accurate measurement can be achieved, and efficient technical support is provided for erosion gully treatment.

The application discloses a kind of lakefront city water front space blood prevention area ecological water conservancy comprehensive management method, comprising the following steps: using water-land ecosystem restoration technology to reconstruct and build composite artificial wetland to lakefront riparian zone;According to the present situation of lakefront riparian zone, the ecological water conservancy comprehensive management is carried out to lakefront riparian zone, and rain and sewage separation purification technology is used to the bank slope of lakefront riparian zone;Water conservancy blood prevention measures are used to regulate lakefront riparian zone;The pollution of lakefront riparian zone bottom mud is controlled;Selective inactivation blue-green algae technology and aquatic plants are used to purify and restore water body;The concept of ecology is introduced into river bank protection in the application, and the soil and slope protection and erosion control effect of vegetation are fully utilized, and living space is provided for animals and microorganisms, and river bank leisure landscape space is provided for human beings;Different revetments and slopes are set to ensure the drainage smoothness of ecological retaining wall revetment, and the water body is continuously circulated and exchanged, so that the water body achieves self-purification effect.

The invention relates to the technical field of soil erosion monitoring and evaluation, and discloses a soil erosion intensity measuring and calculating method and device based on high-resolution data driving, and the method comprises the steps: dividing water and soil loss data according to an engineering disturbance type and a catchment type, and obtaining a soil loss type; unmanned aerial vehicle operation data and disturbance survey data corresponding to the target production construction project are acquired, and land utilization type data, water and soil conservation measure data, rainfall data and surface change data are determined based on the unmanned aerial vehicle operation data and the disturbance survey data; calculating water and soil loss influence factors based on the land utilization type data, the water and soil conservation measure data, the rainfall data and the earth surface change data; and respectively calculating the soil erosion intensity based on the water and soil loss influence factors according to the soil loss type. According to the method, the precision and spatial resolution of soil erosion intensity measurement and calculation are remarkably improved, and a scientific basis is provided for soil erosion control and ecological environment construction in a small-scale range.

This invention relates to the field of ecological agriculture technology, specifically disclosing a segmented erosion control method for sloping farmland based on plant hedges. The method includes the following steps: dividing the sloping farmland into upper, middle, and lower planting areas according to the terrain from high to low; and then correspondingly installing upper, middle, and lower planting hedges, and constructing a plant community in the lower area. The installation of upper planting hedges includes inoculating the rhizosphere soil with nematodes, or with a combination of nematodes and microbial agents. The microbial agents include at least one of Bacillus, Arthrobacter, Neurospora, or Penicillium. This invention integrates "source control, reservoir enhancement, and potential tapping," effectively intercepting surface runoff and increasing soil moisture infiltration by altering the slope's micro-topography. This is of great significance for improving soil fertility and water and fertilizer resource utilization in dryland farmland, reducing fertilizer use and nitrogen and phosphorus loss, balancing nutrient distribution on the slope, increasing nutrient utilization, and ensuring ecological security.

Systems and methods for stabilizing and controlling the erosion of waterbody shorelines.

The invention discloses a water and soil loss management and control early warning system and method based on the Internet of Things, and relates to the technical field of water and soil conservation and ecological environment monitoring. Core parameters such as interface double-electric-layer relaxation time sequential change rate, interface tension attenuation amplitude and capacitance distortion coefficient are calculated, microscopic signals of soil colloid binding water stripping and interface instability are captured, and the signals are obviously abnormal 10-15 days before water and soil loss macroerosion occurs; meanwhile, through soil body crack nucleation infrasound-acoustic emission coupling monitoring, soil body microcrack nucleation and expanded infrasound and acoustic emission signals are captured, the signals appear 7-10 days earlier than slope macroscopic deformation, through two-dimensional precursor signal coupling recognition, early-stage pre-judgment of water and soil loss is achieved, and the early-stage early-stage early-stage early-stage early-stage early-stage early-stage early-stage early-stage early-stage early-stage early-stage early-stage early-stage early-stage early-stage early-stage early-stage early-stage early-stage early- the ecological damage degree and the treatment cost caused by water and soil loss are reduced.

The utility model discloses a water and soil loss prevention device relates to water and soil loss prevention technical field, include: first prevention subassembly and second prevention subassembly, first prevention subassembly with second prevention subassembly between through docking assembly installation, first prevention subassembly and second prevention subassembly structure are same, docking assembly includes docking groove, first threaded hole, docking block and second threaded hole, docking groove symmetry sets up in the front and one side top of first prevention subassembly and second prevention subassembly, first threaded hole is screwed on the inner wall on the bottom of docking groove, docking block symmetry installs at the back and other side top of first prevention subassembly and second prevention subassembly. First prevention subassembly and second prevention subassembly are part of the whole prevention subassembly in the utility model, and two adjacent prevention subassembly can be docked installation through docking assembly, thereby making the whole prevention device be a whole, thereby ensuring the stability of prevention device.

The application provides a root system distribution feature and slope erosion correlation analysis method, comprising: acquiring root system image data, extracting root system distribution features from soil samples through a scanning device, separating root system structures by using an image segmentation algorithm, and obtaining a root system density distribution map; calculating a congestion degree index according to the root system density distribution map, grouping root system areas by using a clustering algorithm, and determining the numerical change of the congestion degree at different growth stages; for the stage division result, acquiring slope erosion simulation data, generating an erosion intensity distribution by using a water flow simulation software, and determining a corresponding matrix of the erosion intensity and the congestion degree; analyzing a non-linear corresponding relationship from the corresponding matrix, fitting a function relationship between the congestion degree and the erosion intensity by using a regression analysis model, and obtaining a fitting parameter set; inputting real-time root system data into an optimized corresponding relationship model to generate an erosion control effect prediction, and determining an optimal erosion prevention intervention point.

The utility model provides a water and soil loss prevention and control mechanism which comprises a base, inserting rods are fixedly connected to the four corners of the bottom end of the base, containing assemblies are arranged in the inserting rods, and a positioning assembly is arranged at the top end of the base. The storage assembly comprises a first threaded rod rotationally connected into the inserting rod, a first guide rod is fixedly connected to the position, located on one side of the first threaded rod, in the inserting rod, and a transmission base is in threaded connection with the surface of the first threaded rod. Compared with the prior art, the device has the advantages that the base is placed at a designated position, the insertion rod is inserted into soil, the first threaded rod, the first guide rod and the transmission base are matched to drive the abutting block to push the barbs to slide along the access holes and enable the reset springs to stretch out and draw back, and then the barbs can be inserted into or pulled out of the soil; therefore, on one hand, the stability of the mechanism during use is effectively improved, the prevention and control effect on water and soil loss is enhanced, and on the other hand, the barbs are prevented from hindering ascending of the insertion rod, and the insertion rod is conveniently pulled out of soil.

The application discloses a reinforcing mechanism and installation method which can be used for soil erosion treatment, comprising a main body, a plurality of protection plates are rotationally connected to the inner wall of the main body, a plurality of light pipes are arranged on the inner wall of the main body, a reinforcing hook is fixedly connected to the bottom outer wall of the main body, a filling groove is formed in the inner wall of the main body, a water storage groove is formed in the inner wall of the main body, and connecting rods are arranged on the outer walls of the two sides of the main body. The main body is buried on a slope needing protection, then the soil is filled in the filling groove, then the main bodies are also buried on the two sides of the main body, the distance between the main bodies is the length of the connecting rod, so that the connecting rod can connect the main bodies, then the exposed connecting rod is buried, and the main body is laid on the slope through the method, the main body is fastened to the ground through the reinforcing hook at the bottom, so that the connecting rod can reinforce the slope, and mountain landslide is avoided.

This invention discloses a method for controlling soil erosion and non-point source pollution on sloping farmland in low mountain and hilly areas. The method includes: based on terraced field engineering, integrating and optimizing the spatial configuration of production road systems, ecological ditch systems, and sedimentation systems; integrating isolated treatment units into a functionally organic whole through collaborative design of the production road system and field space layout, coupled layout of the ecological ditch system and linear road engineering, and quantitative configuration of nodal sedimentation systems; and constructing an integrated comprehensive management technology system of "slope-ditch-road-channel" that integrates four major functions: "production access, runoff diversion and drainage, sediment interception, and pollution reduction," thus solving the problems of production convenience, soil erosion control, and non-point source pollution prevention.

This invention relates to the field of soil and water conservation and ecological restoration technology, and discloses a chain-type biological control technology for composite watersheds in major karst engineering areas. This technology includes an upstream source erosion control system, a midstream deceleration and sediment interception system, and a downstream energy dissipation and utilization system. The upstream system embeds moss-gravel water-retaining matrix blocks into rock fissures at slope confluence nodes. The expansion and compression of the matrix blocks, combined with plant roots, form composite anchoring nodes to intercept surface erosion sediment. The midstream system utilizes a three-dimensional root network of heterogeneous aperture ecological flexible netting and contour-lined vegetation hedges to synergistically dissipate runoff energy while maintaining the stability of deep soil and rock layers in the gully wall. The downstream system reduces runoff velocity through a composite energy-cutting zone with staggered planting in a triangular pattern, and, in conjunction with a V-shaped cross-section guiding micro-topography, directs nutrient-rich sediment towards the plant root zone for sediment deposition. This invention achieves in-situ resource utilization of cascaded dissipation and lost sediment through a chain-like spatial configuration of physical components and plant roots.

A technique facilitates long-term operation of a submersible pump which may be used in an electric submersible pumping system. According to an embodiment, the submersible pump comprises at least one stage, e.g. a plurality of stages. Each stage uses an impeller which may be rotated within a diffuser to establish a fluid flow through the pump. Additionally, each stage comprises an erosion control system positioned between the impeller and the diffuser to reduce erosion and / or the effects of erosion so as to extend the life of the submersible pump.

This invention discloses a method for identifying soil erosion patches based on spatial data of soil erosion intensity. It enables the inheritance and connection of spatial boundaries between different scale levels of soil erosion intensity data, accurately locating areas where soil erosion occurs. This allows for targeted guidance in implementing soil erosion control measures according to land type, soil erosion intensity level, and specific needs. It meets the application requirements of soil erosion monitoring results from macro to micro scales, providing strong support for soil and water conservation work such as the assessment of soil and water conservation rate targets, the layout and effectiveness evaluation of comprehensive soil erosion control projects, and has significant application prospects and socio-economic benefits.

The invention relates to the technical field of crossing of ecological water conservancy projects and landscape buildings, in particular to a landscape drop dam structure and a construction method thereof.The landscape drop dam structure comprises an upstream ecological landscape stone revetment layer, a dam body composite structure layer and a downstream multi-stage energy dissipation and scour prevention layer, and the upstream ecological landscape stone revetment layer is connected with the dam body composite structure layer; the dam body composite structure layer is connected with the downstream multi-stage energy dissipation and scour prevention layer, and the upstream ecological landscape stone revetment layer is provided with a gravel water filtering layer and a landscape stone layer from bottom to top. The dam body composite structure layer sequentially comprises a rammed earth layer, a concrete cushion layer, a stone-buried concrete dam body, a waterproof mortar transition layer and a culture stone facing layer from bottom to top. The downstream multi-stage energy dissipation and scour prevention layer is a stepped multi-stage drop dam, and the downstream multi-stage energy dissipation and scour prevention layer sequentially comprises a rammed earth layer, a concrete cushion layer, a concrete bottom plate, a pebble bed and an energy dissipation layer from bottom to top. The structure has the beneficial effects that the structure is stable, the energy dissipation effect is improved, and the running water scouring capacity is improved.

An erosion control apparatus includes a flexible, container and a cord. The container includes a container upper side, a container lower side opposite the container upper side, a container trailing end, a container leading end opposite the container trailing end, and a container mouth toward the container leading end. The container mouth provides an opening to a container interior. The cord is attached between the container mouth and an attachment point toward the container trailing end. The cord draws the container mouth toward the container trailing end due to a length of the cord between the container mouth and the attachment point being shorter than a length of the container between the container mouth and the attachment point. The cord further draws the container mouth toward a closed position as sediment enters the container mouth, fills the container interior, and urges the container leading end away from the attachment point.

An automated rainfall flocculant disbursement tower for sediment and erosion control, including a structure to support a waterproof hopper and a rainfall collector to collect rainfall prior to its entry into a collection facility. A sensor array detects the presence of the rainwater in the rainfall collector and emits an output signal to initiate the operation of a disbursement wheel / mechanism powered by a distribution motor to disperse a flocculant into the rainwater runoff. A cartridge is provided including a housing to contain operational components of a flocculant emission system which stores and disperses the flocculant such that the flocculant is emitted from the internal cartridge and dosing sleeve via the operation of the distribution motor and wheel / mechanism.

The invention provides a water and soil loss treatment priority evaluation method integrating natural factors and social and economic factors. The method comprises the following steps: S1, determining a plurality of sub-regions of which the water and soil loss treatment priorities are to be evaluated; s2, collecting basic data of each sub-region, and calculating numerical values of a plurality of evaluation indexes of each sub-region according to the basic data; the plurality of evaluation indexes comprise evaluation indexes corresponding to natural factors and evaluation indexes corresponding to social and economic factors; s3, comprehensively weighting each evaluation index by using an analytic hierarchy process and an entropy weight method to obtain the weight of each evaluation index; and S4, according to the numerical value and the weight of each evaluation index, calculating the priority treatment degree of each sub-region, and according to the priority treatment degree of each sub-region, obtaining the water and soil loss treatment priority of each sub-region. According to the method, natural factors and social economic factors are comprehensively considered, the evaluation of the priority of the water and soil loss treatment area is more scientific, and the reliability is higher.

The invention relates to the technical field of degradable liquid mulching film compositions for soil surface covering and erosion control, and provides a liquid mulching film composition and a preparation method thereof. The composition takes water as a solvent and comprises starch, sodium humate, montmorillonite powder, sodium alginate, calcium chloride, glycerol and polyacrylamide. After the composition is sprayed, a compact soil film can be formed on the earth surface, soil erosion is effectively prevented, the composition can be naturally degraded, and meanwhile the beneficial effects of improving the soil carbon sequestration effect and biological activity are achieved.

The present invention relates to an erosion control apparatus and methods of using and installing the apparatus. The apparatus is constructed to prevent erosion of soil during typical weather or tidal conditions and adverse weather events. The apparatus can include a plurality of anchored rolls and soil lifts operative to stabilize the shoreline.