90 results about "Capillary water" patented technology

The invention relates to a system for controlling development of a hot melt pond through regulation and storage combination and ecological conservation. The system comprises water storage type floating bed units, ecological grass felt units and capillary water supply units, wherein the water storage type floating bed units cover the water surface of the hot melt pond and are arranged in an array mode, the ecological grass felt units are arranged on the water storage type floating bed units, and the capillary water supply units are connected with the ecological grass felt units. Each water storage type floating bed unit is a prefabricated floating carrier of an inverted convex structure, the whole upper part of each floating carrier is a concave groove, the bottom of each floating carrier is provided with array type concave water storage small pools, and the four corners of each floating carrier are provided with fixed round holes; drainage and ventilation holes are distributed in the rib top between every two adjacent array type concave water storage small pools; each ecological grass felt unit is sequentially composed of a vegetation layer, a capillary water blocking layer, a substrate layer and a porous supporting layer from top to bottom. The capillary water supply unit is composed of a main capillary water supply part and an auxiliary capillary water supply part. The method can effectively reduce the thermal erosion effect of the hot melting pond, and achieves the purpose of promoting the stability of frozen soil engineering near the hot melting pond.

The invention relates to the technical field of slope ecological restoration, and discloses an exposed rock wall ecological restoration composite anchoring device based on a capillary water guide system, which comprises a triangular basin-shaped steel reinforcement framework anchored on a rock wall, an inner side HDPE plate, an outer side HDPE plate, an EVA soft plate, a polyurethane foaming heat insulation layer and a gravel water storage bin, steel bars are anchored on a rock slope to form a basin-shaped device framework, an HDPE plate and a polyurethane foaming heat insulation layer are arranged on the framework to form a triangular basin-shaped device anchored on a rock wall, and a water storage bin, nutrient soil and planting vegetation are arranged in the device, so that the purpose of slope greening is achieved. In addition, the device provides soil and moisture guarantee conditions for growth of vegetation, overcomes the defects of slow greening effect, heavy device mass and difficult lasting greening effect due to large-scale use of earth-rock engineering in a conventional greening technology, guarantees nutrition supply of the vegetation through soil and a water storage bin in the device, and improves the vegetation quality. And rapid and lasting regreening of the bare rock slope can be realized.

The invention discloses a 3D vapor chamber and a preparation method thereof.The vapor chamber comprises a lower cover plate, an upper cover plate and a plurality of copper pipes, the upper cover plate covers the lower cover plate to form a steam cavity, the copper pipes are installed on the upper cover plate and penetrate through the upper cover plate to be communicated with the steam cavity, and the steam cavity is filled with a working medium; a plurality of supporting columns used for supporting the lower cover plate and the upper cover plate are arranged in the steam cavity, and a supporting piece used for supporting the copper pipe is arranged on the lower cover plate. While the capillary water return amount is increased, the upper copper pipe is supported, the structure is simple, the heat dissipation efficiency is high, the process is simple, and the cost is low.

The invention discloses a deep sea polymetallic nodule dewatering and drying system which comprises a dewatering module and a drying module. The dehydration module is used for dehydrating free gap moisture of deep sea metal nodules, the dehydration module separates the free gap moisture from the metal nodules in a mechanical vibration and extrusion crushing mode, and residual seepage water of the metal nodules in the storage process is collected and discharged. The deep sea metal nodule integrated treatment process is integrated on the ship, offshore in-situ treatment is achieved, and economic benefits are improved. By combining multiple stages of dehydration equipment, the dehydration efficiency of free pore water of the metal nodule is improved. The dewatered metal nodule is heated and dried by waste heat of the smoke pipe of the ship main engine, capillary water and adsorbed water in the metal nodule are effectively evaporated, the water content of the metal nodule is reduced from 80% to about 10%, and meanwhile the ship energy recycling rate is increased.

The present application relates to the technical field of building cooling and energy saving, in particular to a building passive evaporation cooling system based on capillary water transport and interface evaporation, comprising a data acquisition module, a physical state sensing engine, a neural network prediction module, a water supply scheduling module and an execution control module. The physical state sensing engine is used to predict the interface dry time, and the neural network prediction module is used to generate a water content distribution heat map with physical consistency of Richards equation and Fourier heat conduction law. The water supply scheduling module dynamically corrects the water supply time according to the heat map and the dry time, and drives the intermittent water supply of the micro water pump. The present application realizes the deep coupling of physical mechanism and deep learning, solves the problem of imbalance between water supply and heat load matching under complex microclimate, and improves the evaporation cooling efficiency and energy utilization accuracy of the building facade.

The invention provides microwave drying equipment and a traffic roadbed dehumidification method, and belongs to the technical field of roadbed water damage renovation, the microwave drying equipment comprises a buried drainage pipe, a microwave unit, a fan unit and a control unit, the buried drainage pipe is provided with a wave feed port and a drainage port and is buried in rock-soil filler, and the microwave unit is connected with the fan unit; the microwave unit is communicated with the wave feeding port or the water discharging port and heats the rock-soil filler around the buried water discharging pipe, the fan unit sucks water from the interior of the buried water discharging pipe to the exterior, and the control unit monitors the temperature and humidity in the rock-soil filler and controls the microwave unit and the fan unit to operate. The traffic roadbed dehumidification method sequentially comprises the following steps: delimiting a roadbed dehumidification range, determining parameters of the buried drainage pipe and arranging the buried drainage pipe, installing the microwave unit, the fan unit and the control unit and operating the microwave unit, the fan unit and the control unit, and dehumidifying the roadbed. The device has the advantages that gravity water in rock and soil filler can be drained, thin film water and capillary water can also be drained, and the technical effect of dehumidifying the traffic roadbed is achieved.

This invention relates to the interdisciplinary field of smart agriculture and smart home technology, specifically a modular and combinable smart home vertical planting system, method, and dedicated substrate. The system includes balcony, terrace, wall-mounted, and ceiling-mounted versions, all with a basic 3cm module. The outer casing is made of 304 stainless steel and wood-plastic composite, while the inner casing is replaceable and features a 10cm water storage layer at the bottom, supplied via capillary water supply through absorbent cotton strips. The inner casing has an embedded RFID tag, supporting finished inner casing delivery and recycling services. The system integrates multi-sensor collaborative intelligent control, including ultraviolet supplemental lighting, ultrasonic + plant essential oil insect repellent, automatic irrigation, temperature control, and ambient lighting. The dedicated cultivation substrate consists of coconut coir, bamboo powder, perlite, organic fertilizer, and probiotics; the atomized liquid contains 1%-5% plant essential oil. This invention achieves zero-knowledge threshold, zero chemical pesticides, water and electricity saving, and recyclable home planting, suitable for commercial scenarios such as businesses, hotels, and restaurants.

This application relates to the field of ecological restoration technology, and discloses a vegetation restoration system for drawdown zones and its construction method. The system includes laying equipment and a roller. A drive motor of the laying equipment drives the winding roller to release a coil. The roller includes a fixing rod, is filled with superabsorbent polymer resin, and is sequentially wound with an inner base mat, a middle matrix containing plant stem nodes and fungal spores, and an outer mesh. The inner base mat is interwoven with capillary water-conducting bundles, the bottom of which is inserted into the fixing rod and embedded in the resin. The outer mesh is secured with gravity lever-type anchoring nails via eccentric hinges. During construction, the motor releases the coil at a uniform speed, causing the roller to unfold along the slope. The anchoring nails, as they rotate, droop under gravity and penetrate the topsoil layer for synchronous anchoring. The fixing rod, remaining at the bottom, lifts water upwards through the absorbent resin and water-conducting bundles. This invention achieves mechanized laying of base mats on steep slopes, constructs a capillary water-lifting system to alleviate drought, and improves vegetation survival rates.

The invention discloses an integrated passive water taking device and system based on MXene interface evaporation and radiation refrigeration. The top cover of the device is arranged in a left-high and right-low mode in the transverse direction. The left side is a heating evaporation area, an MXene heat absorption layer is adopted, and liquid is continuously supplied through a capillary water supply layer to form thin liquid film interface evaporation. A selective radiation cooling film is attached to the outer side / the upper side of the condensation glass plate, high reflection is achieved in the solar spectrum, high emission is achieved in an 8-13-micron atmospheric window, the net radiation cooling capacity is achieved in the daytime, and the temperature of the inner surface of the plate is close to or lower than the environmental dew point so that water vapor can be stably condensed. A steam short-distance transmission channel from left to right is formed below the upper cover, and condensate is rapidly discharged to the flow collecting groove along the hydrophilic flow guide lines and is discharged from the water outlet; the bottom phase change energy storage (PCM) layer suppresses thermal leakage and smoothes irradiation fluctuations. The device realizes a closed loop of left evaporation, right condensation and right drainage under the condition of no external work, has the advantages of stable condensation in the daytime, low heat loss, salt deposition resistance, friendly maintenance and the like, and is suitable for the scenes of seawater desalination, brackish water treatment, solution regeneration and the like.

The invention provides a multi-level collaborative reinforcement method and structure system for a collapsible loess foundation disturbance area. The method comprises the steps that loose soil in the disturbance area is removed; an anti-seepage wall is arranged on the edge of the disturbance area; reinforcing material backfilling and layered tamping are conducted in the disturbance area, and a foundation replacement reinforcing layer is formed; single-foundation foundation pit excavation is conducted on the top of the foundation replacement strengthening layer; a buffer material is laid at the bottom of the single-foundation foundation pit; a single-foundation reinforcement cage is laid in the single-foundation foundation pit, and the single-foundation reinforcement cage and the reserved reinforcements on the existing retaining wall are mutually anchored; and the single-foundation foundation pit is poured through concrete, and a single foundation is formed. An anti-seepage drainage system is formed by matching the anti-seepage wall with the foundation replacement strengthening layer, and the effects of preventing capillary water from rising from the source and guaranteeing smooth drainage are achieved, so that the risk that collapsible loess disintegrates when encountering water is eradicated; the replacement technology of layered backfilling and alternate tamping is adopted for the foundation replacement strengthening layer, and the effect of the high-bearing-capacity and low-compressibility foundation strengthening layer is achieved.

The utility model discloses an automatic water suction flowerpot, include: flowerpot base, the link of the link of the top of the flowerpot base cover and the link of the top of the flowerpot main part of cover, the middle part of cover is the open structure, and the open inner wall is along the boss of own center and forms, the utility model has the following beneficial effect: through the water separation spare of water suction box inside, cooperate the capillary water suction spare in the water suction pipe, realize water separation spare can carry the moisture in the air adsorption, and then separate the moisture, and the moisture collected is slowly transported to the soil and plant root through the capillary water suction spare, solves the water shortage problem of plant because of not timely management, and under the condition that air humidity is not enough, and the water separation spare separates the moisture deficiency, in the flowerpot base can additionally add water, after the capillary water suction spare absorbs water, to the slow mode of supplementing the moisture required by plant, prevents the situation that plant root is soaked in water and can not breathe.

The application discloses a passive evaporative cooling and phase change energy storage collaborative composite wall system, and relates to the technical field of building energy saving. The wall comprises, from outside to inside, an outer decorative surface ventilation layer composed of bamboo woven boards with air gaps, an evaporative cooling core layer which is an air cavity layer and is internally provided with a capillary water absorbing fabric core body, the bottom of the core body being immersed in a water tank arranged along the bottom of the wall and being wetted from bottom to top by capillary action, and a phase change cold storage layer arranged on the inner side of the evaporative cooling core layer and closely attached to the evaporative cooling core layer. The application realizes the spatial separation and functional cooperation of "external evaporative heat dissipation" and "internal phase change cold storage" in the dry column building wall. The outer layer evaporative cooling continuously creates low temperature boundary conditions for the inner layer phase change material, the inner layer phase change material keeps solid state cold storage during the whole day and actively solidifies and releases cold at night, thus solving the dilemma of poor night effect of single evaporative cooling wall and easy overheating of single phase change wall during the day.

The invention provides a self-metering type soil capillary rising height testing device and method based on water pressure sensing. The device comprises an extensible pressure measuring pipe assembly, a water storage tank, a data processor, a soil sample sealing system and a modularized water supply unit. The bottom of the extendable pressure measuring pipe assembly is connected with a water storage tank, a high-sensitivity water pressure sensor is arranged in the water storage tank and used for indirectly and accurately monitoring continuous changes of water column pressure in the pressure measuring pipe, and the upper measuring limit of 3-5 meters of a traditional device is effectively broken through; the high-sensitivity water pressure sensor is in communication connection with the data processor, and the data processor automatically and accurately recognizes a critical inflection point when capillary force and gravity balance are broken by analyzing dynamic characteristics of a water pressure-time curve and calculates the rising height of capillary water according to the critical inflection point. According to the invention, the full-process automation from data acquisition to result interpretation is realized, the inherent limitation of the traditional method on the measurement range and the manual interpretation precision is overcome, and the accuracy, reliability and efficiency of the test are remarkably improved.

The invention discloses a slope inclined drainage support test device, which comprises a transparent model box, a drainage assembly, a monitoring assembly and a control terminal, and is characterized in that bed rock and a slope are arranged in the transparent model box; the drainage assembly comprises a plurality of drainage pipes, a plurality of water guide fiber nets and a plurality of capillary water guide fiber sleeves, the drainage pipes are distributed at intervals in the width direction of the side slope, the water inlet ends of the drainage pipes are buried in the side slope, the pipe walls are provided with a plurality of water seepage parts distributed at intervals in the axial direction, and each water seepage part comprises a plurality of water seepage holes distributed at intervals in the radial direction; the water guide fiber net is arranged in the drainage pipe, and the capillary water guide fiber sleeve is sleeved outside the drainage pipe; the monitoring assembly comprises a visual coordinate grid, a plurality of cameras, a soil pressure sensor, a pore water pressure sensor and a soil moisture sensor, wherein the soil pressure sensor, the pore water pressure sensor and the soil moisture sensor are buried in a slope. The control terminal is electrically connected with the camera, the soil pressure sensor, the pore water pressure sensor and the soil moisture sensor; and continuous and efficient drainage and monitoring of the slope soil body in the whole process from an unsaturated state to a saturated state are realized.

The invention discloses a construction method for erecting one layer of a prestressed hollow slab on the ground, which comprises the following steps of: combining a core structure of an overhead layer, the prestressed hollow slab, a cast-in-place C20 fine aggregate concrete rigid layer, a waterproof layer and a decorative surface layer; and in cooperation with key procedures such as shear wall lifting lug construction, prestressed hollow slab installation, high-strength grouting material filling, rigid layer pouring and waterproof decoration construction, the effects of double moisture prevention, construction process simplification and structural stability improvement are achieved. A capillary water permeation path is thoroughly blocked, layered paving, compaction and detection procedures of traditional plain soil backfilling are omitted, construction limitation on rainy days is avoided, meanwhile, secondary settlement and concrete shrinkage are resisted through a collaborative stress system, the service life of a building ground structure is prolonged, and the construction cost is reduced. The method is suitable for buildings without basement structures, such as multi-storey residences, small commercial buildings and industrial accessory houses, and has remarkable practicability and economical efficiency.

The invention discloses a willow pile fracture monitoring and maintenance system and method for a biological check dam, and the system comprises a willow pile fracture self-excitation sensing module, a precise rooting maintenance module, a drought period synergistic water seepage and storage module and a system platform, the willow pile fracture self-excitation sensing module realizes real-time early warning monitoring and accurate positioning alarm of willow pile fracture, and the accurate rooting maintenance module generates a customized replanting scheme according to willow pile file data issued by the system platform and an adaptive algorithm. And the drought-period synergistic water seepage and storage module is combined with the pre-embedded biodegradable maintenance bag and the capillary water delivery carrier to strengthen the rooting effect and the water supply in the drought period. According to the system, traditional post-repair is upgraded into an intelligent management mode with real-time response, active intervention and continuous guarantee, the technical problems that in willow pile management of an existing biological check dam, breakage alarm is lagged, a complementary planting scheme is extensive, and water supply is insufficient in the drought period are solved, and the structural stability, ecological adaptability and self-maintaining capacity of the biological check dam are remarkably improved.

This invention discloses a negative pressure pumping silo storage process for wet sand. Wet sand with a moisture content ≥13.5% (prepared or separated) is transported to a vertically erected silo for storage. Gravity drainage is achieved using a gravity field. The downward-flowing capillary water, under the influence of the vertical gravity field, rapidly descends to the lower part of the silo. A water-repellent ring is installed at the bottom of the silo, collecting all the downward-flowing capillary water and isolating the accumulated capillary water at the bottom of the silo outside the sand discharge port, separating excess water beyond the bound water of fine sand, ultrafine sand, and tailings. The collected capillary water is then channeled through an air-water mixing pipe to form a capillary water penetration zone. The air-water mixing pipe is connected to a jet negative pressure pumping device via a main pipe for negative pressure pumping, ultimately obtaining qualified sand with capillary water and a moisture content of less than 10%, similar to the naturally bound water content of fine sand, ultrafine sand, and tailings, completely eliminating leakage during transportation.

The present application relates to the technical field of coal mine screening, and specifically discloses a coal mine screening device for coal mining, which comprises a rack, a screening unit, a driving unit and a dredging unit. The dredging unit is arranged between two layers of screen meshes, and the paddle thereof is periodically reciprocatingly rotated under the driving of the driving member to continuously stir the material on the second screen mesh, effectively breaking the arching effect of small coal blocks and ensuring the smoothness of the screening channel. A flow channel and a jet groove are arranged in the rotating shaft and the paddle of the dredging unit, and when the paddle is rotated to the optimal angle perpendicular to the screen mesh, the gas supply member instantaneously sprays a gas flow to the mesh hole, powerfully removing foreign matters and sticky coal sludge stuck in the mesh hole and effectively solving the problem of screen mesh blockage. Meanwhile, the capillary water film formed between the sticky coal sludge and the surface of the screen mesh is broken, the separation and shedding of water are accelerated, the water content of the small coal blocks screened finally is effectively reduced, and the quality of the coal product is effectively improved.

The invention relates to the technical field of ecological sheet piles, in particular to an ecological concrete sheet pile for river landscape bank revetment, which comprises a sheet pile body formed by integrally pouring concrete, a grading vegetation mechanism is arranged on the water facing side of the sheet pile body, and a capillary water replenishing mechanism is arranged in the sheet pile body. Mounting splicing mechanisms are arranged on the two sides of the sheet pile body, a rainwater collecting mechanism is arranged at the lower end of the sheet pile body, the sheet pile body comprises a back plate, and a left side plate and a right side plate are symmetrically arranged on the water facing side of the back plate. According to the invention, the grading vegetation mechanism is arranged, the shallow vegetation cavities and the deep vegetation cavities are matched with each other, appropriate growth environments are respectively provided for drought-enduring terrestrial plants and hygrophilous aquatic plants, and the vegetation distribution rule of a natural river bank is well simulated through accurate partitioning in the vertical direction, so that the vegetation distribution accuracy is improved. The landscape diversity and ecological continuity are remarkably improved, and meanwhile the integral stability of the bank slope is effectively enhanced through the differential anchoring effect of the plant root systems.

The invention discloses a slope capillary retardation covering layer water migration inhibition structure based on a fracture extension mechanism, and relates to the technical field of slope water migration inhibition. Comprising a first covering layer, a second covering layer, a third covering layer and a substrate, and the first covering layer, the second covering layer and the third covering layer are laid on the top of the substrate. According to the invention, a three-layer comprehensive retardation covering layer system is adopted, the formed comprehensive retardation covering layer is integrally divided into a thin-guide and drainage layer-thick three-layer capillary retardation covering layer system, and the multi-layer structure is designed in a sequential layering manner, so that the ascending of capillary water can be inhibited, the permeation and moisture migration rate can be reduced, and the waterproof and moistureproof effects can be improved; and in the layering process from fine grains to coarse grains, the fine layer is responsible for controlling capillary rising, and the discharge layer provides a moisture or moisture discharge channel, so that the internal moisture pressure is maintained in a safe range, and damage induced by water pressure is reduced.

The invention provides a mineralization filter element and a preparation method thereof, and belongs to the technical field of drinking water mineralization treatment.The mineralization filter element comprises a shell, a protolith slow-release layer, a fine sand filter material layer and a gravel receiving layer, and the shell is filled with the protolith slow-release layer, the fine sand filter material layer and the gravel receiving layer in sequence; the permeability coefficients of the protolith slow release layer, the fine sand filter material layer and the gravel receiving layer are sequentially increased by at least one hundred times to form a permeability coefficient gradient difference; when water is stopped from entering the water inlet, the gravel receiving layer is emptied to trigger capillary negative pressure, and the protolith slow release layer enables gravity water to be converted into capillary water for continuously dissolving and filtering mineral substances based on the permeability coefficient gradient difference; when water starts to enter the water inlet, capillary water of the protolith slow-release layer is converted into gravity water, and mineral substances are slowly released to the gravel receiving layer based on the permeability coefficient gradient difference. According to the mineralization filter element provided by the invention, a dissolution filtration-slow release mineralization mechanism is formed based on the synergistic effect of capillary negative pressure and permeability coefficient gradient difference, the fluctuation of effluent mineralization concentration can be reduced, and the service life is prolonged.

The embodiment of the invention relates to an assembly type immature soil wall body composite base joint, a wall body and a construction method. The assembly type immature soil wall body composite base joint comprises a base body, a groove, an air blocking groove and a through hole. The base body comprises a connecting part and a tilting fillet part; the connecting part is used for connecting the ground ring beam and the immature soil interlocking building block; the apron flashing part is located on one side of the lower portion of the connecting part and integrally connected with the connecting part, and the included angle between the upper surface of the apron flashing part and the side face of the connecting part is an obtuse angle and used for guiding the flow direction of rainwater; the groove is positioned on the top surface of the base body and is used for being connected with a convex rib of the immature soil interlocking building block in a matching manner; the air blocking groove is formed in the bottom surface of the base body, is parallel to the projection of the groove and is used for cutting off a siphon path of capillary water; the through hole is located in the base body, the axial projection of the through hole is perpendicular to the projection of the air blocking groove, and the through hole is used for containing a vertical steel bar core column.

The invention discloses an impermeable material based on building residue soil and a preparation method thereof, and relates to the technical field of impermeable material preparation, the impermeable material comprises the following materials: building residue soil, cement, a modified polymer emulsion, an active waterproof agent, polypropylene fiber, silica fume, isobutyltriethoxysilane and water; insoluble crystals are generated by adding the active waterproof agent, capillary pores and microcracks can be efficiently blocked, and the durability and reliability of the concrete are greatly improved; by adding the modified polymer emulsion, the dry shrinkage stress of the cement-based material can be relieved, the interface bonding force with a cement matrix can be enhanced, capillary water channels in the material can be blocked, the permeability coefficient is reduced, meanwhile, the interface bonding strength is improved, and stripping of an impermeable layer and a subgrade base layer is avoided; in addition, the isobutyltriethoxysilane can also have a synergistic effect with the active waterproof agent, so that the problem of permeation under water pressure can be solved, the hidden danger of capillary water absorption can also be eliminated, and the durability and reliability of the anti-seepage material are greatly improved.

The present application relates to a kind of pile foundation structure for preventing and treating hot karst lake erosion, including pile foundation passing through active layer and permafrost layer in turn, it is characterized in that: closely attached to the surface and around the pile foundation is provided with drainage device, the top of the pile foundation one side is equipped with power supply system and the control panel of protective cover; Capillary water transport layer is attached to the surface of the pile foundation in the active layer, one end of the capillary water transport layer is arranged in the inside of the drainage device, the other end is fixed by clamp through the active layer;Several drainage holes are annularly arranged on the upper end surface of the drainage device;The control panel is electrically connected with the power supply system.Simultaneously, the construction method of the pile foundation structure is also disclosed.The present application is simple in structure, and practical, isolates water and pile foundation direct contact, realizes the transfer of moisture in active layer, to realize the combination of prevention and treatment, reaches the effect of treating the symptoms and the root cause.

The invention discloses a device for simulating different drought environments to start debris flow and an air resistance monitoring method, and belongs to the technical field of geological disaster simulation tests. The three sets of parallel variable gradient test boxes are connected in parallel and converged into the main circulation channel, so that visual and quantitative research on the debris flow starting and migration process under different drought environments and surface salinity conditions is realized. The device is provided with an intensity-controllable fan-shaped atomization rainfall simulation system, a temperature simulation system, a capillary water supply and salt migration system, a wireless landfill type pressure sensing array and a multi-channel water collection system, and a special moisture field with a wet lower part and a dry upper part and an air resistance effect of an arid river valley are accurately represented, so that critical conditions for starting debris flow are revealed. According to the method, high-precision simulation of the arid valley debris flow starting process and real-time monitoring of the air resistance effect are achieved, test repeatability and prediction precision are improved, and effective technical means and quantitative basis are provided for geological disaster mechanism research, early warning model construction and prevention and control measure optimization in the western arid valley area.

The application discloses a combined overflow wetland system and method for treating pond aquaculture wastewater, and belongs to the field of water treatment technology. The combined overflow wetland system comprises a support structure fixed at the bottom of a pond slope, a purification unit stacked on the upper surface of the pond slope and blocked by the support structure, and a capillary water distribution structure arranged above the purification unit. Water flows through the purification unit in a combined manner of local vertical flow and overall overflow, and the pond aquaculture wastewater is treated by combining physical treatment, biological treatment and ecological treatment. The combined overflow wetland system integrates physical treatment, biological treatment and ecological treatment, and aims to solve the problem that concentrated discharge of aquaculture tail water is difficult to be treated deeply.

The application relates to the technical field of building curtain wall, and discloses a curtain wall anti-seepage sealing device with a water guide groove, which comprises an aluminum alloy frame body between adjacent curtain wall plates, a water guide groove arranged in the aluminum alloy frame body and a sealing strip group; the water guide groove comprises a main drainage groove and a plurality of bionic capillary water guide micro-grooves integrally formed on the inner wall of the main drainage groove; the inner wall of the bionic capillary water guide micro-grooves is provided with a hydrophilic layer; and the bottom surface of the main drainage groove is provided with a super-hydrophobic layer; the sealing strip group is arranged in the aluminum alloy frame body, and the sealing strip group at least comprises an elastic sealing strip in which self-repairing microcapsules are embedded. Through the synergistic effect of the super-hydrophobic layer on the bottom surface of the main drainage groove and the hydrophilic layer of the bionic capillary water guide micro-grooves on the groove wall, water flow is quickly drained away on the super-hydrophobic surface, and a small amount of condensed water is actively absorbed into the groove through capillary force, so that water accumulation dead angles are eliminated; and the overflow groove automatically intervenes in the case of extremely heavy rain, so that reliable drainage without backflow is ensured.

The application discloses an agricultural drip irrigation device capable of preventing water and soil loss and water evaporation, and particularly relates to the technical field of agricultural drip irrigation, and comprises a drip irrigation box, the bottom of the drip irrigation box is provided with a flow guide drip irrigation assembly, the flow guide drip irrigation assembly comprises an inner lining cover arranged at the bottom of the drip irrigation box, and the top of the inner lining cover is provided with a plurality of gathering hoppers. The application adopts a deep water guide and surface insulation double evaporation control design: the capillary water climbing cotton directly guides water to the deep layer of soil by capillary action, thereby avoiding evaporation loss caused by surface soil wetting; the butt joint cover insulates the direct contact between soil and air, reduces soil surface water evaporation, indirectly reduces irrigation frequency, and reduces planting water cost.

The invention relates to the technical field of saline-alkali land treatment, and particularly discloses a saline-alkali land soil improvement device and method.The device comprises a vehicle body and a soil treatment mechanism, and the soil treatment mechanism is installed on one side of the vehicle body in the walking direction through a rack and comprises a ditching assembly, a conveying assembly, a modifier adding assembly, an isolation filling mechanism and a compaction assembly. The ditching assembly is used for turning up deep soil and transporting the deep soil upwards; the conveying assembly is used for receiving the turned soil and conveying the turned soil backwards; the modifier adding assembly is used for uniformly adding a modifier in the soil conveying process; the isolation filling mechanism paves the foreign soil at the bottom of the groove to form a physical isolation layer; the compaction assembly comprises a telescopic driving part and a compaction device and is used for compacting the filled soil dressing before soil backfilling. By arranging the physical isolation layer and combining deep mixing of the soil improvement agent, rising of salt along with capillary water is effectively inhibited, salt return of soil is avoided, the long-term stability of the saline-alkali soil improvement effect is achieved, and the soil improvement quality is improved.

The invention discloses an agricultural drip irrigation device capable of preventing water and soil loss and water evaporation, and particularly relates to the technical field of agricultural drip irrigation, the agricultural drip irrigation device comprises a drip irrigation box, a flow guide drip irrigation assembly is arranged at the bottom of the drip irrigation box, and the flow guide drip irrigation assembly comprises a lining cover arranged at the bottom of the drip irrigation box; and a plurality of gathering hoppers are distributed at the top of the lining cover. According to the invention, a dual evaporation control design of deep water guide and surface isolation is adopted; the capillary water climbing cotton directly guides water to the deep layer of soil by utilizing the capillary action, so that evaporation loss caused by surface soil moisture is avoided; the butt joint cover isolates direct contact between soil and air, soil surface water transpiration is reduced, the irrigation frequency is indirectly reduced, and the planting water cost is reduced.