71 results about "Buffer strip" patented technology

The invention relates to the technical field of ecological restoration and carbon sink evaluation, and discloses a river and lake ecological buffer zone carbon sink potential evaluation and restoration construction system which comprises a carbon sink potential evaluation module, an intelligent restoration construction module and a collaborative verification module. The carbon sink potential evaluation module is used for collecting soil and vegetation data and calculating the carbon sink potential; the intelligent restoration construction module executes ecological restoration based on a carbon sink potential evaluation result; and the collaborative verification module verifies the repair effect through multi-source data fusion, and returns an optimization instruction to the carbon sink potential evaluation module and the intelligent repair construction module. The vegetation coverage index and the root biomass density are acquired by using a multispectral sensor array, a carbon sink model is constructed by combining the organic carbon content of soil, dynamic weight adjustment is introduced, and the weight is updated according to aerial survey data of an unmanned aerial vehicle in each quarter, so that a more accurate and more economical carbon sink potential evaluation basis can be provided for ecological restoration, and the ecological restoration efficiency is improved. And resource waste and invalid repair are avoided.

The invention discloses a composite artificial wetland system, and relates to the technical field of artificial wetlands. The composite artificial wetland system comprises an ecological pool, and a surface flow wetland unit, a horizontal subsurface flow wetland unit, an internal circulation system unit and plant ecological buffer zone units around the wetland are arranged in the ecological pool; the surface flow wetland unit comprises a wetland water inlet pipe and a wetland water outlet pipe which are arranged on the two sides of the ecological pool respectively, a gravel layer and a medium-coarse sand planting layer are sequentially stacked and laid at the bottom of the ecological pool, and a submerged plant vallisneria natans community is planted on the medium-coarse sand planting layer; the invention solves the problems of single function, low treatment efficiency and the like of the traditional constructed wetland, has the advantages of prominent denitrification effect, good phosphorus removal and suspended matter interception effect, strong impact load resistance, low cost, easiness in maintenance, ecological friendliness, landscape fusion and the like, also has the advantages of initial rainwater interception and the like, and is wider in application range.

The invention discloses a three-dimensional water ecological restoration method based on an ecological system, and the method specifically comprises the following steps: S1, carrying out the construction of a temporary dam for a river channel of a construction area, and carrying out the water ecological operation and water level reduction for the construction area; impurity cleaning is conducted on the river channel area after the water level is lowered; s2, in-situ remediation of the bottom mud: scattering a bottom material modifier in the river channel area after the sundries are cleared to complete the in-situ remediation of the bottom mud; submerged plants are planted; s3, after the submerged plants are planted, an ecological water purification barrier and a biological grid are installed, and water purification is conducted; s4, emergent aquatic plant buffer zone planting, microorganism regulation and control and aquatic animal putting are conducted on the two sides of the river channel, a three-dimensional water ecological restoration network is constructed, and water ecological restoration is completed. Through the synergistic effect of the ecological water purification barrier and the biological grid, rapid and high-strength physical adsorption and microbial degradation of pollutants are achieved, meanwhile, ecological niche is built, and recovery of biological diversity is achieved.

The invention provides a regional soil fertility space-time evolution prediction method and system, and relates to the field of data processing prediction.The method comprises the steps that agricultural management events such as fertilization and irrigation are captured in real time through an edge computing node cluster, and an asymmetric time window is constructed based on a soil permeation rate model; extracting meteorological and satellite data in the window, querying the coupling rule table by using a triple index, and generating a coupling factor data set with a semantic mark; calculating a sliding time variance of a coupling factor in a grid unit, marking a high-entropy region and starting real-time stream processing when the sliding time variance exceeds a threshold value, and generating a soil state Hash fingerprint and performing dormancy collection when the sliding time variance is lower than the threshold value; constructing a regional event path directed graph, selecting a similar neighborhood event chain as a prediction framework, and registering an empty window region; the neighborhood topology is scanned in a buffer zone of a window area, after a compliance event sequence is captured, a window is removed, similar neighborhood historical data is migrated and injected into a local sequence, and parameters are finely adjusted through incremental learning to reconstruct an exclusive prediction model.

The invention relates to the technical field of ridge construction, and discloses an ecological ridge construction method for slowing down lateral seepage and intercepting non-point source pollution, which comprises the following steps of: extracting soil texture, elevation and area information of a target area, and scientifically delimiting a ridge and a farmland boundary by combining a spatial analysis and function partitioning algorithm; dynamically determining the height of the buffer zone according to the height difference relation and the flood and drought stress characteristics of plants; hydraulics characteristics are obtained through hydrological simulation, the width of the buffer zone and the filler amount are calculated based on the length-width ratio and hydrodynamic force coupling mechanism, optimal design of water flow regulation and control and pollution interception is achieved, and the stability and purification efficiency of the ridge system in different environments are ensured. According to the invention, the ecological ridge system with strong adaptability is constructed through cooperative analysis of multi-source terrain environment and ecological parameters.

The invention provides a construction method of an ecological buffer zone of a reservoir hydro-fluctuation belt in a southwest karst region. The construction method comprises the following steps: S1, dividing a suitable recovery area of the hydro-fluctuation belt; s2, slope reconstruction and substrate improvement; s3, plant variety selection and configuration; s4, planting and maintaining the plants. The original soil condition of the hydro-fluctuation belt is improved through substrate improvement, the tolerance of plants to water level fluctuation is ensured through differentiated seed selection of the regions I-IV, the survival rate of vegetation in karst barren soil is increased, and the restoring capacity of an ecological system of the hydro-fluctuation belt is enhanced. According to the method, the storage submerged plant buffer pond is transformed on the lower portion of the hydro-fluctuation belt area or the artificial aquatic plants are arranged, the ecological buffer space of the hydro-fluctuation belt is prolonged, the storage pollution purification and retaining capacity is improved, and good application prospects are achieved.

The invention relates to the technical field of water treatment, and discloses a multi-stage linkage water quality purification treatment method for drainage basin treatment, which comprises the following steps: reducing the flow rate of drainage basin runoff entering a pretreatment pool by using a stepped energy dissipation ridge; an overflow weir is arranged between the pretreatment pool and the biochemical purification unit, runoff with the flow lower than a threshold value is guided to the biochemical purification unit according to a water level pressure head, and excessive flow is guided to a bank zone ecological buffer zone; enabling the runoff to sequentially flow through the anaerobic biological filter tank and the aerobic ecological tank, and generating gravity flow by utilizing a unit elevation difference; according to the invention, the self-adaptive flow distribution is realized by utilizing a water level physical signal, the scouring stripping of a microbial film of a biochemical unit by a dynamic load is effectively prevented, and the stability of the effluent quality of the system is maintained through kinetic energy level conversion.

The invention discloses a watershed ecological restoration method and a comprehensive improvement method, and relates to the technical field of watershed ecological environment treatment. The method comprises the steps that a drainage basin digital twinborn model is constructed, an ecological scheduling algorithm is embedded, and collaborative distribution of ecological water demand and production water is achieved; a climate self-adaptive composite ecological buffer zone is constructed, and the pollution interception and vegetation survival ability under the extreme climate is improved; biomass and low-pollution bottom mud in the drainage basin are subjected to resourceful treatment, the remediation cost is reduced, and secondary pollution is reduced; local functional florae are screened, and a slow-release microbial inoculum is prepared and added by adopting a composite embedding technology, so that the removal effect of refractory organic matters is enhanced; and multi-technology closed-loop regulation and control are realized through a digital twin model, and the repair process is dynamically optimized. Through multi-technology collaborative integration, the limitation of traditional fragmentation treatment is broken through, the ecological restoration effect and treatment economy of the drainage basin are remarkably improved, and the method is suitable for complex treatment scenes such as agricultural branch drainage basins.

The invention discloses a modularized dynamic load three-dimensional greening system. Comprising a bearing frame, plant modules, prestressed connecting pieces and the like. The load-bearing frame is fixed on a building facade or a roof, the top is integrated with a flexible solar film, and the bottom is provided with a water collection tank. The plant module is connected with the frame through a prestress connecting piece, the connecting piece is made of alloy steel, a dynamic load monitoring module and a self-adaptive adjusting mechanism are arranged in the connecting piece, and wind load and rain and snow load can be dispersed; a plurality of layers of composite light substrates are arranged in the module and comprise a water retention layer, a nutrition layer and a drainage layer, and a high-molecular water-absorbent resin film is arranged between the water retention layer and the nutrition layer; the capillary tube bundle is communicated with the water storage layer to form water circulation; the ecological buffer strip is of a three-dimensional net-shaped anchoring structure formed by drought-enduring creeping plant root systems, spiral grooves are formed in the side wall to guide the root systems to grow, and a microbial agent is sprayed on the surface; the quick-assembly interface adopts the design of a stainless steel spring buckle and a guide groove, and a magnetic suction auxiliary positioning device and a sealing self-checking module are additionally arranged.

Disclosed in the present invention is a slope protection brick for restoring a vegetation buffer zone, which relates to the technical field of slope protection devices. The slope protection brick includes a regular hexagonal brick main body, and an interior of the brick main body employs a hollow structure. Each side wall of the brick main body is provided with a water input hole, a top and a bottom of the brick main body are provided with funnel-shaped drain hoppers, and a side wall of each drain hopper is made of a water permeable material. A sealing block is arranged in each drain hopper in an abutted manner, the sealing block and the brick main body are jointly provided with a plurality of inverted trapezoidal grooves which are in mutual communication, and a limiting block is clamped in each inverted trapezoidal groove.

This invention relates to a riverbank vegetation buffer zone and its construction method, belonging to the field of ecological protection technology. The buffer zone includes multiple plant modules set along the riverbank slope, with adjacent rows of plant modules arranged in a stepped, staggered pattern. Each plant module includes a ring-shaped base plate fixed to the riverbank slope, a porous cylinder rotatably mounted on top of the ring-shaped base plate, and a planting cylinder located within the porous cylinder. The bottom end of the planting cylinder is fixedly connected to the riverbank slope. A dual-effect buffer system is provided on the porous cylinder, comprising multiple sets of outer buffer components evenly distributed along the outer circumference of the porous cylinder and multiple sets of inner buffer components evenly distributed along the inner circumference of the porous cylinder. One end of each outer and inner buffer component abuts against the outer and inner walls of the porous cylinder, respectively. This buffer zone, through the porous cylinder, outer buffer components, and inner buffer components forming a multi-level buffer structure, effectively absorbs the impact energy of water flow of varying intensities, effectively protecting the plant modules.

The utility model provides a kind of farmland type ecological buffer zone structure, it is related to agricultural ecological environment management technical field, including land buffer area one, ecological regulation pond, land buffer area two and concave green land, land buffer area one, ecological regulation pond, land buffer area two and concave green land are sequentially distributed from farmland side to river embankment side, land buffer area one and land buffer area two are planted with arbor shrub and grass flower mat, the ecological regulation pond is sequentially provided with impermeable layer, adsorption layer and plant layer from bottom to top, the concave green land is laid with buffer base, the concave green land is planted with herbaceous plant and shrub. This structure effectively intercepts farmland non-point source pollution, reduces river pollutant, helps to strengthen river self-purification capacity, promotes aquatic animal and plant diversity development, and guarantees ecological benefit to play well.

The invention relates to the field of reclaiming equipment, and provides a scraper reclaimer for a mine stockyard, the scraper reclaimer comprises a reclaimer body, a connecting piece, a first buffer structure, a second buffer structure and a scraping structure, the first buffer structure comprises a first mounting plate, a connecting rod, a second mounting plate and a buffer assembly; and the second buffer structure comprises a third mounting plate, a connecting assembly and a buffer strip. A third mounting plate is connected with a scraping structure, resistance and acting force during collision can enable the third mounting plate to move in the horizontal direction and extrude buffer strips on the peripheral side, and certain buffer and energy dissipation effects can be achieved through the buffer strips; through the connecting rod hinged between the second mounting plate and the first mounting plate and the buffer assembly, when the angle of the second mounting plate is changed, the buffer assembly can further play a role in buffering and energy dissipation; and through the cooperation between the second buffering structure and the first buffering structure, the impact force generated on the chain can be obviously reduced, and therefore the good protection effect is achieved.

The invention provides a sewage purification treatment device, and relates to the technical field of sewage treatment. The sewage purification treatment device comprises a filter cage, an internal purification module and an external purification module, a purification cavity with an opening in the top side is formed in the filter cage, and the opening in the top side corresponds to the sewage direct discharge port; the internal purification module is arranged in the purification cavity and comprises a deep purification layer, a filtration and adsorption layer and a vegetation buffer layer which are sequentially arranged from bottom to top, and drainage assemblies are arranged in the deep purification layer and used for discharging purified water out of the purification cavity; the external purification module is arranged on the periphery of the filter cage and comprises a waterproof buffer zone and a vegetation buffer zone which are sequentially arranged from inside to outside, the water outlet end of the drainage assembly is located in a buffer space formed between the waterproof buffer zone and the filter cage, and the vegetation buffer zone is arranged on the periphery of the waterproof buffer zone in a surrounding mode.

The invention discloses a multi-level dynamic toughness coast protection system and a design method, and the system sequentially comprises, from sea to land, a leading edge self-adaptive buffer zone which is arranged at a seabed scarp at the leading edge of a main seawall, is made of a discrete material, and is set to dynamically adjust the form to a stable profile under the action of hydrodynamic force; the offshore submerged siltation promotion and wave absorption barrier is arranged behind the front edge self-adaptive buffer zone in parallel, the crest elevation of the offshore submerged siltation promotion and wave absorption barrier is located near the average tide level, and the offshore submerged siltation promotion and wave absorption barrier is arranged to reduce wave energy and form a siltation promotion area between the offshore submerged siltation promotion and the main seawall; the artificial bionic wave absorbing beach reef system is formed in the siltation promotion area, has the width and the elevation simulating a natural reef and is arranged to break waves in advance so as to dissipate wave energy; the ecological composite section main body protection structure serves as ultimate protection and is provided with a gentle slope or a composite section. According to the method, the safety, the reliability and the economical efficiency of an engineering scheme are ensured.

The utility model relates to the technical field of curbs, and discloses a high-quality sand-permeable horizontal curb which comprises a fabric layer, a base layer, an anti-collision buffer strip, an anti-freezing layer and a connecting rod, the fabric layer is fixed on the outer side of the base layer, the fabric layer is composed of modified epoxy resin and granite particles, an arc-shaped top is arranged at the top of the fabric layer, and the anti-collision buffer strip is arranged at the bottom of the arc-shaped top. An anti-freezing layer is fixed at the bottom of the base layer and is made of foam concrete, a plurality of first water-permeable holes are formed in the base layer, a plurality of second water-permeable holes are formed in the anti-freezing layer, the first water-permeable holes are aligned with the second water-permeable holes, and an anti-collision buffer strip is fixed on each of two side edges of the top of the fabric layer. The two ends of the connecting rod are each fixedly provided with two elastic blocking pieces, the elastic blocking pieces are made of spring steel, and the two ends of the base layer are each provided with a clamping groove used for allowing the connecting rod to be inserted. According to the utility model, mutual connection is stable; water permeability and drainage performance are good; the anti-collision performance and the anti-freezing performance are good.

The invention relates to the technical field of material conveying, in particular to a buffer bed structure for material conveying. Comprising a support connecting structure, a bracket, an adjusting structure, a connecting piece and a buffer strip, initial impact is directly absorbed through the elastic rubber layers of the buffering strips and the four-stage springs in the connecting pieces, and first-stage buffering is achieved; then the impact force is converted into compression on a third-level spring through supporting of the horizontal material supporting area, and second-level buffering is achieved; the impact force is decomposed into progressive compression on the second-stage spring and the first-stage spring through supporting of the inclined material supporting area, so that third-stage buffering and fourth-stage buffering are achieved; a multi-stage progressive active energy management system is constructed in cooperation with basic buffering, impact energy is guided and distributed layer by layer, impact force is dissipated, overload of a single component is avoided, huge impact kinetic energy is efficiently converted into potential energy of multiple spring elements, and the buffering efficiency and reliability far exceeding those of traditional design are achieved.

The utility model is applicable to the technical field of ecological buffer zones, and provides an ecological buffer zone based on double-layer pine piles, which comprises double-layer wood pile structures constructed in rows at the edge of a riverway according to different height differences, and a soil layer along the bank of the riverway, the double-layer timber pile structure comprises a front-layer pile located at the low position of the river edge and a rear-layer pile located at the high position of the river edge, and an ecological buffering middle zone is arranged between the front-layer pile and the rear-layer pile. A gravel layer and a biochar layer are sequentially laid on the top layer of the soil layer from bottom to top. Therefore, the ecological buffer zone can effectively intercept and purify pollutants in water flow, reduce water and soil loss, improve soil fertility, promote plant growth and form a stable and sustainable ecological buffer system through various action mechanisms of biology, physics, chemistry and the like; the method has important significance in the aspects of river ecological environment protection, water quality improvement, ecological balance maintenance and the like.

This invention relates to the fields of highway ecological engineering and traffic safety engineering technology, and discloses a construction method for ecological buffer zones at highway tunnel entrances. This method involves preliminary surveying to complete the functional zoning design of the buffer zone, followed by sequential implementation of foundation remediation and slope stabilization treatment, construction of a layered buffer structure system, construction of zoned adaptive ecological communities, and construction of a light control and disaster prevention system. Finally, it culminates in quality acceptance and the establishment of a long-term maintenance system. This invention, through a technical approach of "zoning design - structural synergy - functional integration," simultaneously addresses six core pain points at tunnel entrances: abrupt changes in driving light environment, traffic noise pollution, slope instability, road surface pollution, ecological fragmentation, and insufficient emergency disaster prevention. The constructed buffer zone combines multiple functions, including driving safety assurance, ecological restoration, pollution control, and landscape coordination. The construction process is standardized, highly replicable, has a high vegetation survival rate, and low subsequent operation and maintenance costs, meeting the requirements for green highways and ecological transportation construction.

The utility model discloses a riverway buffer zone layout structure which comprises a frame body, a top frame fixedly connected to the top of the frame body, a rubber sleeve arranged on the inner wall of the top frame, a glass cover capable of sliding up and down installed on the inner wall of the rubber sleeve, a threaded sleeve vertically penetrating through a side plate, and a top plate installed on the opposite face of a lifting plate. A rotating disc capable of rotating the threaded column is installed above the top plate, the outer wall of the same side of the lifting plate is fixedly connected with the top end of the outer wall of one side of the glass cover, when a worker rotates the rotating disc, the threaded column rotates along with the rotating disc, and at the moment, the rotating threaded column can move up and down on the inner wall of the threaded sleeve; meanwhile, the lifting plates on the two sides of the top plate above the threaded columns can drive the glass cover to move up and down together, so that the height of the glass cover is adjusted, green plants with different heights are conveniently protected, through the arrangement of the glass cover, sunlight is conveniently irradiated on the turf and the green plants, and normal growth of the turf and the green plants is facilitated.

The invention provides a farmland comprehensive planting method based on crop diversity and an ecological buffer zone, which comprises the following steps: firstly, constructing a crop strip relay intercropping and multi-variety mixed sowing system, carrying out intercropping or relay intercropping and inter-variety mixed sowing on different crops in a farmland, and then, constructing a layered vegetation and filter material coupled farmland ecological buffer zone, according to the method, ecological buffer zones of arbor, shrub and herbaceous composite vegetation are constructed on the boundary of a farmland or the two sides of a ditch, then ecological prevention and control measures of double-lamp double-wave-band trap lamps and natural enemy release are deployed, and by combining sex pheromone trapping, measures of release of natural enemy including trichogramma, biological preparation and botanical pesticide spraying and frequency vibration type insecticidal lamps, the natural enemy release and the natural enemy release are combined, so that the ecological buffer zones of the arbor, the shrub and the herbaceous composite vegetation are obtained. Finally, filter material recycling and farmland soil improvement measures are carried out, organic fertilizer and microbial agents are combined to be applied to soil, the use of chemical herbicides is reduced in a mechanical weeding mode, and in a word, the method has the advantages of being environmentally friendly, increasing and stabilizing the yield and not damaging the ecological environment.

The invention provides a compound ecological river section structure and an in-situ remediation construction method thereof, and relates to the technical field of water ecological remediation. The method comprises the steps that a hard lining of a river channel to be repaired is removed, and a compound permeable trapezoidal section is reconstructed; sequentially laying a bottom gravel layer, a middle porous filter material layer and a surface pebble layer at the bottom of the central main riverbed, and planting aquatic plants to form a multi-stage purification substrate; a permeable nail dam is built at the junction to disperse lateral scouring force, and a fish scale dam is built in the central main riverbed to produce falling fall so as to cooperate with a substrate to improve the purification efficiency; inner-layer geotechnical cloth, a slope protection gravel layer and outer-layer geogrids are sequentially laid on the surface of the lateral slope area to form a flexible anti-scouring base layer, prefabricated ecological building blocks are assembled on the outer side of the base layer, and indigenous plants are planted on the outer side of the base layer to form a composite ecological revetment; and a vegetation buffer zone is constructed at the top of the composite ecological revetment, and a front filtering barrier is formed to intercept non-point source pollution. The problems of river habitat blocking and revetment instability are solved.

The utility model belongs to the technical field of water seepage and drainage, and particularly relates to an air conditioner condensate water drainage system which comprises a foundation pit and a condensate water pipe, a base platform is laid on the bottom wall of the foundation pit, a water seepage pipe is arranged above the base platform, and the upper end of the water seepage pipe protrudes out of the earth surface; the water seepage pipes and the side wall of the foundation pit are arranged at intervals to define an annular space, water seepage filler is arranged in the annular space to form a water seepage supporting belt, and the top face of the water seepage supporting belt is flush with the earth surface. The lower end of the condensate pipe is positioned in the water seepage pipe which is filled with water seepage filler to form a water seepage buffer zone; a plurality of water seepage holes positioned below the earth surface are formed in the side wall of the water seepage pipe; the annular space is communicated with the water seepage pipe cavity through the water seepage holes. Condensate water is discharged into the water seepage pipe and is buffered by the water seepage buffering belt, then the condensate water permeates into the annular space along the water seepage holes in the water seepage pipe, the side wall of the foundation pit is supported by the water seepage supporting belt, water flowing out of the water seepage holes is further buffered and then permeates into lateral soil of the foundation pit, and the structural stability of the soil on the periphery of the foundation pit is improved.

The utility model discloses an ecological river embankment structure which comprises a backwater side pile body which is arranged at the toe of a side slope and vertically inserted into a river channel, a waterside pile is vertically inserted into the river channel on the outer side of the backwater side pile body, and a waterside platform is supported on the tops of the backwater side pile body and the waterside pile. A river channel between the backwater side pile body and the waterside pile forms a fish breeding place, and aquatic plants are planted in the river channel where the fish breeding place is located. The ecological river embankment structure is high in adaptability and can be implemented under various geological conditions, the excavation volume is saved, and therefore the engineering investment cost is reduced. The structure has the functions of a corridor, a buffer zone, a vegetation revetment and the like, can provide reliable guarantee for flood control safety, and is also a landscape line for people and water. According to the structure, different types of artificial fish nests can be arranged in a river levee, the natural environment is simulated, and a proper breeding place is provided for fishes; and the water body self-purification capacity is enhanced, the system is suitable for living and reproduction of organisms, and the water body and ecological environment of the river channel are improved.

The application discloses a kind of modular dynamic load three-dimensional greening systems. Including bearing frame, plant module, prestressed connecting piece etc. Bearing frame is fixed to building facade or roof, top integrated flexible solar film, bottom is provided with water collecting tank;Plant module is connected with frame through prestressed connecting piece, connecting piece uses alloy steel, built-in dynamic load monitoring module and self-adaptive adjusting mechanism can disperse wind load and snow load;Multi-layer composite lightweight substrate is provided in module, including water-retaining, nutrient, drainage layer, there is macromolecular water-absorbing resin film between water-retaining layer and nutrient layer;Capillary bundle is communicated with water storage layer, and water circulation is formed;Ecological buffer zone is formed three-dimensional netted anchoring structure by drought-resistant creeping plant root system, spiral groove is provided in side wall to guide root growth, surface is sprayed with microbial inoculant;Quick-mounting interface is designed with stainless steel spring buckle and guide groove, additional magnetic auxiliary positioning device and sealed self-checking module.

The invention relates to the technical field of river water quality treatment, in particular to a river water quality treatment device which is characterized in that a plurality of groove holes are formed in the upper end of a floating frame at equal intervals in the length direction, a planting pot is arranged in each groove hole, a self-adaptive anchoring mechanism for fixing is arranged on the floating frame, and the bottom end of the floating frame communicates with an open frame; a filter screen used for filtering sundries is arranged on an opening of the open frame, a first buffer plate is arranged on one side of the inner wall of the open frame, a second buffer plate is arranged on the other side of the inner wall of the open frame, the first buffer plate and the second buffer plate are distributed in a staggered mode, and a perforated plate used for buffering water flow is arranged in the open frame. Water flow is primarily buffered through the first buffer plate and the second buffer plate, the water flow is secondarily buffered through the perforated plate, kinetic energy of the water flow is consumed, the impact strength when the water flow makes contact with the bottom end of the planting basin is reduced, accordingly, plant roots are prevented from being scoured and damaged by the water flow, damage to the plant roots is avoided, and the wastewater treatment effect is improved.

The invention discloses a water quality guarantee system of a drinking water reservoir, and relates to the technical field of drinking water reservoir management, and the water quality guarantee system comprises an exogenous pollution interception module for constructing a plant buffer zone, a purification ditch and a sewage interception pipe network three-level defense line; the endogenous pollution treatment module adopts a bottom mud active covering and targeted desilting combined technology; the intelligent monitoring and early warning module realizes real-time monitoring and early warning traceability through a sensor array and a machine learning model; the ecological purification and regulation and control module constructs submerged plant communities and regulates and controls a gate in combination with hydraulic power; the grading emergency disposal module presets a three-level response mechanism; according to the invention, collaborative prevention and control of multi-source pollution can be realized, and the problem of fragmentation of traditional treatment is solved; through an intelligent early warning and tracing technology, the hysteresis of traditional manual monitoring is broken through; by means of an ecological-engineering coupling purification technology, ecological damage is avoided while the purification efficiency is improved; and rapid control of sudden pollution is realized through a grading emergency response technology.

The invention relates to the technical field of coal sampling, and discloses a coal sampling device for a coal preparation plant, the coal sampling device comprises a support, a roller, a belt body and a sampling box, the sampling box is internally provided with a baffle and a material receiving plate, the surface of the material receiving plate is provided with a plurality of buffer strips for delaying blanking, the bottom of the material receiving plate is fixedly connected with a partition plate, and the partition plate is fixedly connected with the roller. The interior of the sampling box is divided into a material cavity and a sampling cavity by a partition plate, a square groove allowing a sample to pass through is formed in the surface of the partition plate, an air blowing assembly and a collecting assembly which are matched with the square groove are arranged on the inner wall of the sampling box, the collecting assembly is arranged in the sampling cavity, and the collecting assembly comprises a sampling box; a guide plate matched with the sampling box is fixedly connected to the inner wall of the square groove, rotating plates are fixedly connected to the two sides of the sampling box, and the rotating plates are hinged to the inner wall of the sampling cavity. The method has the effect of improving the coal full-section sampling precision and accuracy of the coal preparation plant.

The present application relates to the technical field of water environment treatment, solves the technical problems that the existing buffer zone design generally has the problems of width / structure determined by experience, lack of multi-scenario adaptation and quantifiable ecological target constraint, and particularly relates to a method for constructing a composite buffer zone at a lake inlet based on a hydrology-water ecology response model, a multi-scenario fingerprint library is constructed based on multi-source data of a target lake inlet area, a hydrology-water ecology response model is established for quantifying ecological indexes such as transparency, algal risk and submerged plant adaptability probability into an ecological response vector, a functional unit library is constructed and structure gene coding is used to describe the topology and parameters of units such as dissipation allocation, sedimentation dredging, reaction bed fixation, vegetation rhizosphere reaction and bottom protection and motion suppression; multi-objective inversion optimization and robustness evaluation are carried out under multi-scenarios, and a composite buffer zone spatial layout, size parameters and operation and maintenance trigger threshold values that meet flood discharge and stability constraints are output, so that parameterization and deliverable design of the lake inlet buffer zone are realized.