222 results about "Soil loss" patented technology

The invention discloses a device for high-precision soil loss amount monitoring, relates to the technical field of water and soil conservation monitoring, and solves the problems that an existing monitoring method cannot comprehensively and accurately reflect the soil loss amount of a monitoring area, a monitoring point is fixed and cannot be moved and reused, and the accuracy of a monitoring result is low. A device for high-precision soil loss monitoring comprises an integrated controller, a transverse rod, a data acquisition unit, a track system, a power wheel, a transverse support, supporting legs and auxiliary wheels, and the integrated controller integrates a power unit, a power supply unit, an intelligent control module and a data transmission unit. The monitoring device provided by the invention is quick to install, is completely composed of modules, can adapt to the requirements of fields with different sizes and gradients, can realize full-automatic monitoring and remote control monitoring of soil loss amount, can also be used for monitoring slope displacement and geological disasters, and has a monitoring result precision far higher than that of a traditional method.

The invention provides an ecological reinforcing structure of a river channel grouted rubble retaining wall revetment, the ecological reinforcing structure takes double-row pile foundations and a planting platform as a core design concept, the first pile foundation is located at the foot of an existing grouted rubble retaining wall, the top of the pile foundation is provided with a reinforced concrete guide beam, and the second pile foundation is located at the foot of the existing grouted rubble retaining wall; the newly-built guide beam is connected with an existing grouted rubble retaining wall base into a whole through embedded steel bars, the integrity and the anti-sliding capacity of the retaining wall are remarkably enhanced, and base emptying and wall body deformation are effectively restrained. The second pile foundation structure is a planting pile and backfill soil behind the planting pile to construct an aquatic plant planting platform, geotechnical cloth is laid between the planting pile and the backfill soil, soil particle loss can be prevented, water is allowed to freely permeate, and normal exchange between water and soil is maintained. The stability of an existing retaining wall is guaranteed, an aquatic plant planting platform is constructed, the whole reinforcing system is hidden under the normal water level, the natural form of a river channel is maintained, and deep integration of ecology and safety is achieved.

The invention discloses a deep learning-based drainage basin water and soil loss monitoring intelligent early warning method, which comprises the following steps of S1, arranging a sensor array in a sensitive area of a drainage basin to be monitored in advance, and synchronously acquiring rainfall data, surface runoff data, suspended matter concentration data and unmanned aerial vehicle multispectral remote sensing data; s2, inputting the fusion data stream into an improved liquid neural network to generate a state feature data stream; s3, calculating state characteristic trajectory data through a Shenchang differential equation; s4, implementing multi-scale state stability analysis, and identifying an abnormal state inflection point; s5, generating a dynamic risk space mapping map; and S6, determining the risk level of the risk area, and executing corresponding water and soil conservation measures. The water and soil loss risk prediction accuracy and response timeliness are improved, and the method is suitable for river basin ecological environment monitoring and protection.

The invention relates to the technical field of water and soil conservation monitoring, and discloses a water and soil conservation soil loss data monitoring system and method. An area setting module of the system sets a geographic monitoring area by taking a monitoring station as a center, so that accurate delimiting of a monitoring range is realized; the data acquisition module is used for acquiring soil loss related data in a geographical monitoring area, wherein the related data covers multi-dimensional information such as rainfall, soil water content and vegetation coverage. The loss analysis module calculates a loss coefficient and a risk coefficient through the data, and quantitatively presents the soil loss condition; the early warning module generates an early warning instruction according to the loss coefficient and the risk coefficient, and accurately reflects the emergency degree and the risk level of soil loss; and the cloud interaction module establishes a communication channel with a cloud server when the early warning instruction is generated, so that real-time sharing and cooperative processing of data are realized. According to the system, the pertinence, comprehensiveness and timeliness of soil loss monitoring are improved, and powerful support is provided for water and soil conservation work.

The invention relates to the technical field of geotechnical engineering and slope reinforcement, and discloses a foam concrete-based expansive soil slope reinforcement structure which comprises a slope body and a foam concrete prefabricated reinforcement assembly mounted on the slope body through anchor rods, and the reinforcement assembly comprises a first reinforcement layer and a second reinforcement layer which are sequentially arranged on the slope surface of the slope body; the first reinforcing layer comprises a plurality of first reinforcing units arranged in the length direction of the slope body. By means of the double-layer design of the first reinforcing layer and the second reinforcing layer, the first prefabricated slab is longitudinally connected in an inserted mode through a dovetail or T-shaped tenon-and-mortise structure to achieve seamless attachment, the second prefabricated slab presses and covers tenon-and-mortise joints and is clamped and locked through the annular connecting piece, a latticed system of transverse restraining and longitudinal locking is formed, the structure can resist volume expansion of expansive soil by 30% or above, and the expansive soil is not prone to deformation. A soil body loss channel is effectively blocked, and the linkage problem of loosening-cavity-instability of a traditional prefabricated part is solved.

The invention discloses a cultivator with adjustable cultivation width, which relates to the technical field of agricultural cultivation and comprises a cultivator body, a driving wheel mounted at the bottom of the cultivator body and a soil turning mechanism mounted at the rear end of the cultivator body and capable of performing local cultivation operation. The traction rod is installed in front of the soil turning mechanism and used for sensing topographic changes to adjust the local ploughing operation width in a self-adaptive mode, and a soil collecting mechanism is arranged behind the soil turning mechanism and used for collecting and compacting ploughed soil in real time and conveying the soil to the outer side of the belt-shaped rotation belt in sequence to build ridges on site. Local no-tillage is achieved through the asymmetrically-arranged cutters, obstacles can be avoided according to the terrain trend in the ploughing process, the amplitude of a no-tillage area is adjusted in real time, excessive ploughing is avoided, ridges can be built in situ through the soil collecting mechanism in the ploughing process, preliminary effective protection is formed, and soil loss on the surface of a terraced field is avoided; integrated operation of ploughing and ridging is achieved, and the working procedure of terraced field building or farmland arrangement is simplified.

The invention discloses a method for estimating the soil loss amount in a karst region, and the method comprises the steps: determining a negative exponential function relation between a rock exposure rate and the soil loss amount based on field in-situ observation; according to the negative exponential function relation, stony desertification factors used for quantifying the inhibition effect of rock exposure on soil erosion are constructed; introducing the stony desertification factor as a multiplicative factor into an RUSLE model, and establishing an RUSLE-D model; and obtaining each RUSLE factor data and rock exposure rate data of the target area, inputting the RUSLE-D model, and calculating the soil erosion amount of the target area. According to the invention, the accuracy and practicability of model estimation and prediction are improved.

The utility model relates to the technical field of river channel slope protection, and discloses a river channel slope protection structure based on hydraulic and hydro-power engineering design, which comprises a coagulation layer, a plurality of coagulation blocks are fixedly connected to the top of the front side of the coagulation layer, connecting blocks are fixedly connected to the left sides of the coagulation blocks, and connecting grooves are formed in the middles of the right sides in the coagulation blocks. The device comprises a concrete block, the bottom of the concrete block is fixedly connected with a fixing column, a sliding groove is formed in the fixing column, two reinforcing columns are slidably connected into the sliding groove, reinforcing grooves are formed in the close sides of the interiors of the two reinforcing columns, and the close sides of the two reinforcing columns are fixedly connected with two springs. According to the utility model, natural force damages such as water flow scouring, stormy wave invasion and rainwater erosion can be effectively resisted, the river bank soil loss is reduced, the river bank slope form is kept stable, the safe operation of water conservancy and hydropower engineering facilities is ensured, and the service life of the water conservancy and hydropower engineering facilities is prolonged.

The invention discloses an intelligent automatic irrigation device for a side slope, and relates to the technical field of side slope irrigation. Comprising an irrigation mounting part; a row of irrigation mounting pieces are arranged, the structures on the row of irrigation mounting pieces are the same, drip irrigation devices are mounted on the row of irrigation mounting pieces respectively, and the drip irrigation devices are used for slope drip irrigation water replenishing; a waterlogging prevention part is mounted at the top of the drip irrigation device; an accumulated water protection piece is mounted on the irrigation mounting piece; the accumulated water protection piece is used for preventing excessive drip irrigation; the water level condition of an area above the soil can be detected by adopting the siltation protection piece, and control prompt can be automatically carried out when soil loss and siltation occur; the problems that an existing slope intelligent automatic irrigation device is inconvenient to automatically control runoff prevention and water cut-off, and soil loss is inconvenient to automatically control insurance prompt are solved.

The present invention relates to the field of slope retaining structures, and discloses a new type of anti-skid retaining structure for slopes, comprising a plurality of retaining structure bodies installed in a slope body, wherein the retaining structure bodies are arranged equidistantly along the surface of the slope body, and when water flows through the retaining structure body, a portion of the water flow will flow downward along the surface of the retaining plate, and the other portion of the water flow will enter the drainage component through the flow channel. This water flow diversion design prevents the water flow from directly scouring the soil on the surface of the slope body, but is guided to the drainage component for orderly discharge, thereby avoiding the situation where a large amount of soil is washed away. When the water flow passes through the guide plate, it can gradually slow down along the drainage trough 2 and flow toward the support plate in an orderly manner, and further guide the water flow on the support plate, and finally guide the water flow safely to the bottom of the slope body, thereby effectively preventing the water flow from scouring the soil on the surface of the slope body, and solving the problem of soil loss during heavy rain.

The application discloses a soft soil foundation embankment structure, which comprises a road surface, a soft soil layer is laid at the bottom of the road surface, a first inserted pile is connected below the road surface and inserted into the soft soil layer, a water-facing slope is arranged on the side of the soft soil layer close to a water body, a wire mesh surface is arranged between the water-facing slope and the soft soil layer, the first inserted pile is arranged below the road surface, and the first inserted pile and a curved pile are in sliding connection, one end of the curved pile is deeply inserted into the soil until reaching a hard soil layer, and the other end of the curved pile is distributed in the soft soil layer, the soft soil layer has a greater flowability than the hard soil layer, the curved pile can autonomously bend and reversely push the second inserted pile, the water-facing slope can be supported after soil loss, the area subjected to continuous impact and collapse under the action of water flow is avoided, the continuous concave collapse trend of the soil loss area is greatly slowed down, and the safety of the whole embankment is effectively improved.

The utility model relates to the technical field of agricultural greenhouse planting, and discloses an agricultural greenhouse water and fertilizer recycling mechanism which comprises a first water and fertilizer recycling pool and a water and fertilizer box, the outer wall of the first water and fertilizer recycling pool is provided with a splicing clamping groove, and the outer wall of the first water and fertilizer recycling pool is fixedly connected with a splicing clamping piece. According to the agricultural greenhouse water and fertilizer recycling device, through the first water and fertilizer recycling pool, the second water and fertilizer recycling pool and the cultivation assembly, the splicing clamping piece of the first water and fertilizer recycling pool and the splicing clamping groove of the second water and fertilizer recycling pool are combined to meet the space planting water and fertilizer recycling requirements of different agricultural greenhouses, and meanwhile the cultivation assembly can be flexibly installed in the assembly frame; by means of a second filter screen and a seepage filter material, soil loss is effectively prevented when the cultivation box is subjected to water and fertilizer irrigation, and in addition, redundant water and fertilizer during spraying irrigation can be smoothly discharged and recycled through a first filter screen at the bottom of the cultivation box and water and fertilizer recycling through grooves in a second water and fertilizer recycling pool and a first water and fertilizer recycling pool.

The invention discloses an ecological function evaluation method and system, a medium and equipment, and relates to the technical field of ecological system health evaluation, and the method comprises the steps: integrating the obtained remote sensing data, meteorological data and ground monitoring data of a to-be-detected region, and generating long-time-sequence ecological hydrological data; inputting the long-time-sequence ecological hydrological data into a pre-trained wind erosion amount estimation model, determining a wind erosion amount, determining a wind erosion risk index based on the wind erosion amount, determining an environmental effect index based on a corrected soil loss model RUSLE, and determining a hydrological effect index by adopting a runoff rainfall difference method; the method comprises the following steps: introducing an auto-encoder neural network, carrying out feature dimension reduction processing on a wind erosion risk index, an environmental effect index and a hydrological effect index to obtain dimension-reduced data, and carrying out clustering analysis on the dimension-reduced data based on a clustering algorithm to obtain a risk level classification result.

The utility model is applicable to the technical field of ecological slope protection retaining walls, and provides an ecological slope protection retaining wall for mine pit restoration, which comprises a ground and a vertical slope, a plurality of fixing rods are arranged between the ground and the vertical slope at intervals, two ends of each fixing rod are provided with threaded heads, the threaded heads are inserted into the ground or the vertical slope, and the threaded heads are connected with the ground or the vertical slope. Two transverse rods are arranged between every two adjacent fixing rods at intervals, the transverse rods and the fixing rods form a net-shaped fixing assembly, and the space between the transverse rods and the fixing rods is filled with soil. Preferably, connecting rods are hinged to the portions, located on the two sides of the threaded head, of the fixing rod, fixing blocks are arranged at the free ends of the connecting rods, and the fixing blocks are fixed to the ground or the vertical slope through expansion bolts. According to the scheme, the net-shaped fixing assemblies are formed through mutual cooperation of the fixing rods, the transverse rods, the vertical rods, the inclined rods and the like, auxiliary reinforcement is conducted on the slope protection retaining wall, soil loss and potential safety hazards are avoided, and vegetation planting and maintenance are facilitated.

The invention discloses a soil screening and impurity removing device for medicine mud. The soil screening and impurity removing device comprises a supporting frame, a screening part for screening soil is fixedly connected to the supporting frame, a collecting part for collecting impurities left in the screening part is arranged in the screening part, and a driving part for driving the collecting part to rotate and move is arranged on the screening part; impurities are collected during rotation through a collecting barrel and a stirring plate of the collecting part, the stirring plate turns over the impurities to enable the adhered fine soil to be separated, the impurities are screened out through a second screening hole and a third screening hole, when the collecting part moves to an AB area of the screening part along with the driving part, the impurities fall onto a flow guide plate through a large discharging hole, and therefore the impurities are removed. And residual soil particles in the impurities are further screened through fourth screening holes of the screening part, fine soil enters a discharging box to be discharged, large impurities are directionally discharged from a discharging groove along the inclined surface of a flow guide plate, accurate separation of the impurities and the soil is achieved through the collaborative design, the soil loss rate is reduced, and the impurity collecting process is simplified.

The invention relates to the technical field of water conservancy projects, and particularly discloses a method for calculating the void scale caused by soil loss under a pump station bottom plate and electronic equipment, and the method comprises the steps: determining the maximum water head difference of two sides of a pump station, the soil particle density and the total length of the pump station bottom plate, and estimating the diameter of a gap channel; and carrying out stress analysis on the microcosmic soil particle units on the side wall of the gap channel, wherein the stress comprises effective gravity, drag force, seepage force, lifting force, cohesive force, supporting force, sliding friction force and rolling friction moment. According to the method for calculating the void scale caused by soil loss under the pump station bottom plate, a particle kinetic method is introduced, gap channel water flow under the bottom plate is regarded as pressure pipe flow, particle stress analysis, a sliding / rolling instability mode and a Kolbolok-White formula of a turbulent flow hydraulic transition area are comprehensively considered, and the void scale caused by soil loss under the pump station bottom plate is calculated. The length of the void development channel can be quickly calculated based on engineering parameters, and the void position and the risk range can be determined.

The utility model discloses a reservoir area hydro-fluctuation belt ecological slope protection structure, and relates to the field of ecological slope protection structures, the reservoir area hydro-fluctuation belt ecological slope protection structure comprises a soil base and a concrete connecting seat, underwater gabion protection feet are attached to the bottom of the side of the soil base at equal intervals, and a gravel permeation area is laid on the outer surface of the soil base; and a vegetation type Reynolds protection pad is fixedly arranged on the outer surface of the gravel permeation area. According to the ecological slope protection structure for the reservoir area hydro-fluctuation belt, through the arrangement of the vegetation type Reynolds protection pad, when the vegetation type Reynolds protection pad covers the outer surface of the gravel permeation area, it can be effectively ensured that the gravel permeation area does not slip off when being impacted by water flow; according to the ecological slope protection structure, the plant seeds can have an excellent soil fixation function during germination and growth, so that the ecological slope protection structure is ensured not to have a large-area soil loss phenomenon during a water swelling period, and the ecological slope protection structure can be ensured to be normally used after being used for a long time.

The invention discloses a method for slope greening soil in an alpine ecologically fragile area, and relates to the technical field of soil improvement. Comprising the following steps: adopting a microbial acclimatization method, and adding highway waste residues, urban household garbage and kitchen waste in an alpine ecologically fragile region in a composite microbial culture process for acclimatization to obtain a compost microbial inoculum suitable for the alpine region; the method comprises the following steps: mixing waste residues of highway construction in the alpine region with urban household garbage and kitchen waste to obtain a compost raw material; the method comprises the following steps: adding a composting fungicide into a composting raw material, then adding a water and fertilizer retention agent and a soil fixing agent, and uniformly stirring to obtain a compost body; covering a pile body with a polymeric membrane material, intermittently supplying air to the pile body for ventilation, and performing aerobic composting to obtain the soil suitable for regreening in the high and cold environment. According to the method, the humus content of a pile body can be increased, the decomposition level meeting the requirement of planting soil in the alpine ecologically fragile area is achieved, the problem of soil loss after vertical slope soil regreening is solved, and in-situ regeneration of the slope soil in the alpine ecologically fragile area and resource utilization of kitchen waste and urban domestic sludge are achieved.

The utility model discloses a municipal road center greening isolation device which comprises a plurality of small planting boxes which are arranged in a linear mode and are small in length, the small planting boxes are arranged at intervals, and each small planting box comprises a tension band located at the top end, a bottom groove located at the bottom end, two face plates and two side plates, and the two face plates and the two side plates are located between the tension band and the bottom groove. The side walls of the two side plates are each provided with a drainage groove penetrating through the inside and the outside, a mesh plate is horizontally erected in the bottom groove, and a box type gauze bag with the top end open is arranged in a box body composed of the tension band, the mesh plate, the face plate and the side plates. According to the utility model, a plurality of small-length small planting boxes which are linearly arranged at intervals are used as isolation devices, so that the purposes of small size and convenience in carrying are achieved; due to the design of the gauze bag, soil loss is greatly reduced, and the purpose of good soil keeping effect is achieved; the mesh plate is erected in the bottom groove, redundant rainwater and irrigation water can be stored in the lower cavity, and the water storage amount is increased; the maintenance frequency can be reduced, and the use is simpler.

The utility model discloses a slope inclined drainage device, which belongs to the technical field of engineering drainage construction and comprises an outer pipe, an inner pipe, an inner support rod and a seal head connecting piece. The outer pipe is obliquely installed in a side slope drill hole, the inclination angle of the outer pipe is 6-8 degrees, the end, located in the drill hole, of the outer pipe is a closed end, the end, located outside the drill hole, of the outer pipe is an open end, the two thirds of the upper layer of the outer pipe is a permeable layer, and the one third of the lower layer of the outer pipe is an impervious layer. The inner pipe is formed by coaxially splicing a plurality of short pipes and is detachably inserted into the outer pipe, and the inner pipe is a full-permeable pipe. According to the inclined drainage device for the side slope, the double-layer structure of the outer pipe and the inner pipe is arranged, the outer pipe serves as a first filtering layer, large-particle soil and impurities can be effectively intercepted, direct blocking of the inner pipe is reduced, the outer pipe can protect the inner pipe, and therefore the service life of the inner pipe is prolonged, the inner pipe serves as a filter element, and the service life of the inner pipe is prolonged. Soil impurities are secondarily intercepted, so that the soil loss is effectively reduced.

The invention discloses an assembly type concrete retaining wall and a construction method, and relates to the technical field of retaining walls, the assembly type concrete retaining wall is adopted to be matched and installed on a soil slope main body, and the soil slope main body is provided with a plurality of slope protection mechanisms used for preventing soil from sliding or collapsing. A drainage mechanism for discharging surface water is arranged on the slope protection mechanism, an anti-sliding mechanism for preventing the slope protection mechanism from sliding is arranged on the soil slope main body, and a water guide mechanism for preventing drainage blockage of the drainage mechanism is arranged on the anti-sliding mechanism. Through cooperation of the slope protection mechanism and the anti-sliding mechanism, planted vegetation is prevented from being directly impacted, and soil loss is effectively prevented; the connecting assembly pokes impurities through power of water flow, a drainage mechanism of the slope protection mechanism is prevented from being blocked, the slope protection mechanism is matched with the water guide mechanism, the water storage bin stores water appropriately, the downward inclined flowing speed of surface water is reduced, and the greening function of the retaining wall is improved.

The invention discloses a water and soil loss treatment method for a soil slope of an arid mining area. The method comprises the following steps that S1, decomposed cattle and sheep manure barnyard manure is spread on a loose sandy slope; s2, sowing seeds: selecting peripheral indigenous desert plant perennial herbs and shrub seeds to be mixed and sown according to the equal mass ratio; s3, the slope is covered with a vegetation blanket; s4, selecting peripheral local desert plant annual herbaceous and perennial herbaceous seeds to be mixed and sown on the surface of the vegetation blanket according to the equal mass ratio. Under the conditions of extremely low precipitation and barren soil, water and soil loss of the side slope is rapidly and remarkably controlled with the investment far lower than that of engineering measures, restoration of the ecological function of the side slope soil is synchronously started and accelerated, and finally a side slope ecological system is guided to succession towards a stable state with the self-maintaining capacity. The comprehensive technical effects of controllable treatment cost, lasting effect and ecological sustainability are achieved.

The utility model relates to the technical field of roof greening, and discloses a roof greening drainage device which comprises a planting block, the planting block is installed on the side portion of a first module, the first module comprises a substrate layer, an exhaust hole is formed in the middle of the substrate layer, a filter plate is installed at the bottom of the substrate layer, a flow channel is arranged at the bottom of the filter plate, and a water storage assembly is arranged on the side portion of the flow channel. The side portion of the first module is fixedly connected with a connecting block, the side portion of the connecting block is connected with a second module in a clamped mode, through arrangement of a collecting box and a connecting pipe in the water storage assembly, water can be effectively collected and guided, roof water accumulation is prevented, and through arrangement of a floating ball at the bottom of a circulating pipe and a limiting plate in a water storage tank, the water level can be automatically adjusted; through the arrangement of the exhaust holes in the middle of the substrate layer and the filter plate at the bottom of the substrate layer, excessive water can be discharged, the roots of the plants are prevented from being soaked in water, and meanwhile the filter plate can prevent soil loss.

The utility model is suitable for the technical field of electric power construction, provides a kind of offshore wind power foundation anti-scouring sleeve structure, including anti-scouring sleeve main part, the anti-scouring sleeve main part is set to offshore wind power foundation pile column periphery;Wherein, the anti-scouring sleeve main part is divided into continuously connected reverse-arc section sleeve and soil-entry section sleeve;The tangent of the upper edge of the reverse-arc section sleeve is parallel to the axial direction of offshore wind power foundation pile column.This scheme provides offshore wind power foundation anti-scouring sleeve structure, solves the current offshore wind power foundation pile column by tidal current, wave and tide effect, leads to the problem of soil loss of soil layer around pile.

The invention provides a self-adaptive drainage and reinforcement integrated ecological slope protection system for a water conservancy project. The storage module is arranged at the bottom of the side slope body, the protective net is stored in the storage module, the control room is arranged at the top of the side slope body, and the stabilizing module is used for controlling the protective net to cover stably. The indoor winding device is controlled to be linked with the first and second steel cables to drive the protective net to be automatically unfolded from the bottom and tensioned and positioned along the slope surface, the closing cover is embedded into the containing groove in the slope top to complete stable covering, vegetation root systems can be effectively protected, stem and leaf swing is limited, water flow impact is relieved, and soil loss is prevented; the response speed, the structural stability and the ecological adaptability of the ecological slope protection system under the flood working condition are improved, and the cooperative functions of drainage, scour prevention and vegetation protection are achieved.

The simulation device capable of observing the multi-dimensional soil loss process of the karst slope comprises a soil tank support and a soil tank body, the soil tank body is obliquely arranged on the soil tank support, and an interface notch, an in-soil notch and a slope notch are formed in the bottom, the middle and the upper portion of the tank wall at the lower end of the soil tank body respectively. An interface flow collecting tank, an interflow collecting tank and a slope flow collecting tank are fixed to the positions, corresponding to the interface notch, the interflow notch and the slope notch, of the outer wall of the soil bin body respectively, drainage pipes are led out of the bottoms of the interface flow collecting tank, the interflow collecting tank and the slope flow collecting tank respectively, and holes are formed in the bottom of the soil bin body in a distributed mode. An underground leakage collecting tank is further arranged under the soil bin body, drainage pipes are led out of the bottom of the underground leakage collecting tank, and the lower end of each drainage pipe extends into the corresponding independent flow collecting barrel. The problem that experimental conditions such as porosity of a traditional experimental device are difficult to control and adjust is solved. Belongs to the field of soil erosion experiments.

The utility model relates to the technical field of agricultural irrigation equipment, in particular to buffering type water outlet equipment which comprises a box body, a first opening is formed in the box body, a flow guide cylinder is arranged in a water containing cavity in the box body, a stud is rotatably installed in an inner cavity of the flow guide cylinder, and a water baffle is fixedly sleeved on the outer wall of the stud. The peripheral wall of the water baffle is in sliding fit with the inner wall of the guide cylinder, the side wall of the guide cylinder is connected with a water outlet cylinder which is horizontally arranged, and an inner cavity of the guide cylinder is communicated with an inner cavity of the water outlet cylinder; a water outlet is formed in the side wall of the box body, and the arrangement height of the water outlet is the same as that of the water outlet barrel. The flow guide cylinder can bear pressure fluctuation when a water pump or a valve is started or stopped, damage to the water outlet equipment structure is avoided, meanwhile, water discharged from the water outlet plug can slowly flow into farmland through the water containing cavity, direct impact on the soil surface is avoided, the surface soil loss rate is reduced, the soil fertility is protected, the crop yield is further ensured, and agricultural development is guaranteed.

The utility model discloses a double-layer ecological slope protection net which is used for being matched with ecological slope protection to be used at the same time, the defects that a traditional hard slope protection net is difficult to transport and poor in adaptability and a soft slope protection net is insufficient in protection effect are overcome, and the defect that the ecological slope protection is prone to causing soil loss is overcome. The slope protection net is formed by stacking a main protection net body and a secondary protection net body, the two net bodies are connected into a whole through connecting rings, the main protection net body is composed of connecting rods connected through a center ring, the main protection net body is made of corrosion-resistant high-strength materials, and the secondary protection net body is woven by net ropes made of plant fiber materials. The main protective net has strong protective capability, the secondary protective net can further prevent soil loss, and the secondary protective net can be naturally decomposed after a period of time and cannot hinder plant growth. And the protective shells are arranged on the nodes of the main protective net, so that the nodes can be effectively prevented from being smashed by heavy objects, and the reliability of the slope protection net is improved.