57 results about "Capillary water" patented technology

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 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.

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 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 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 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 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.

A plant cultivation cassette comprises a container (1) with a base (2) and a wall (4). The base (2) and at least a lower portion of the wall (4) form a watertight tray (5) containing water and a non-buoyant, open-pored evaporation structure (10) suitable for capillary water conduction. Above this is a first insert (17) containing a humic acid fiber substrate (24) and containing viable plant material (26). Above the first insert (17) is a second insert (27) containing a second filling (35) of a humic acid fiber substrate that covers the viable plant material (26). The wall (19) of the first insert (17) and the wall (30) of the second insert (27) maintain a distance from the wall (4) of the container (1), at least in certain areas.The second filling (35) has a lower concentration of the humic acid fiber substrate than the first filling (24).

This utility model belongs to the technical field of refrigeration equipment and provides a refrigerated truck body that facilitates cold water drainage. The truck body includes a main body and a water drainage assembly. The water drainage assembly includes: a capillary water drainage layer, which is a fiber fabric made of a highly hydrophilic and low-temperature resistant material, disposed on the side wall of the main body and fixedly connected to it, with its top extending to the corner between the side wall and the top wall of the main body; and a water collection trough, disposed on the bottom wall of the main body and located at the corner between the bottom wall and the side wall. The refrigerated truck body provided by this utility model has a simple structure and reasonable design, and can promptly guide water accumulation on the top wall and the corner of the side wall of the main body, thus preventing water accumulation at these locations.

The application discloses a long-service-life roadbed pavement structure and a manufacturing method and manufacturing equipment thereof, relates to the road construction technical field, and adopts fine-grained high-density fluid fiber soil 3D printing and pouring embankment structure, the hardened embankment structure will not be softened due to capillary water rising; the fine-grained high-density fiber concrete is adopted for a pavement base layer and a bottom base layer, so that the bending and splitting strength is greater than 5MPa; the fine-grained high-density fiber concrete 3D printing and pouring with the compressive strength greater than 60MPa, the bending and splitting strength greater than 15MPa is adopted for a surface layer; a 3-5cm-thick high-performance asphalt concrete wearing layer is laid on the surface layer; and the technical effects that the roadbed pavement structure has a long service life, good service performance and a low maintenance frequency are achieved.

This invention belongs to the field of water conservancy and waterway engineering maintenance technology, specifically relating to a repair coating for the concrete surface of a ship lock in a seawater immersion environment and its construction method. The repair coating is applied to the surface of the ship lock concrete and includes, from the inside out, a penetrating and anchoring primer, a stress-buffering intermediate layer, and an ultra-weather-resistant protective topcoat. The penetrating and anchoring primer is a two-component epoxy-biomineralization composite system. The construction method of the repair coating includes the following steps: substrate diagnosis and cleaning; negative pressure microenvironment construction; in-situ vacuum dehydration and resistance removal; negative pressure primer introduction; controlled ventilation and re-pressure penetration; and multi-layer system construction. This invention can overcome capillary water wedge resistance and achieve deep penetration and high-strength anchoring of the repair material into micro-cracks in concrete without requiring long-term navigation stoppage for substrate drying, significantly improving the chloride ion penetration resistance and durability of the ship lock structure.

This invention relates to the field of seawater desalination technology, providing a photothermal evaporator with a gradient pore structure, its preparation method, and its application. The photothermal evaporator comprises an upper hydrophobic porous photothermal layer and a lower hydrophilic gel water-transporting layer; wherein the water-transporting layer has a gradient pore structure with gradually changing pore size along its thickness direction, with smaller pores near the photothermal layer to enhance capillary water supply, and larger pores further away from the photothermal layer to promote reverse diffusion of salt ions. This invention constructs interconnected pores in the photothermal layer using a sacrificial template method to promote steam escape; utilizes a hydrogel prepolymer to infiltrate and solidify into the pores, forming a spatially interlocked interface between the photothermal layer and the water-transporting layer; and induces the hydrogel to form a gradient pore structure through directional semi-crosslinking treatment. This invention achieves synergistic regulation of water upward transport and salt downward discharge, effectively inhibits salt crystallization blockage, significantly improves the long-term operational stability of the evaporator in high-salt environments, and is suitable for solar-powered seawater desalination.

The invention provides a solidified soil capillary water rising height prediction method based on porosity change, and belongs to the technical field of capillary water height testing. The method comprises the following steps: obtaining a to-be-detected soil sample; preparing a capillary water height sample and a cutting ring sample under the condition of the same compaction degree; a capillary water rising test is carried out, capillary water rising height data at different time nodes in the corresponding solidification period are recorded, the contact angle of the solidified soil in the corresponding solidification period is measured through the cutting ring sample, and the pore radius of the solidified soil is measured through a mercury intrusion method; selecting a soil sample with a flat surface in the middle from the cutting ring sample, and carrying out a microscopic test to obtain a microstructure image; the porosity under the same parameters is identified through PCAS, and porosity data are obtained; and according to the change rule of the porosity data, parameters of the capillary water rising height calculation formula are corrected. According to the method, the porosity change and capillary water rising height calculation are combined, so that the prediction precision of the capillary water rising height of the soil under different solidification degrees is improved.

This invention discloses a method for reducing and disposing of municipal sludge, relating to the field of sludge treatment technology. In the pretreatment stage, this invention constructs a triple synergistic cell-wall breaking mechanism of low-temperature microwave, ultrasonic, and layered high-pressure. When ultrasonic waves propagate in the sludge medium, they generate a cavitation effect, forming localized high-temperature, high-pressure microjets, causing mechanical rupture of the cell wall structure and initial leakage of intracellular substances and bound water. The heating effect of low-temperature microwaves causes the resonant breakage of hydrogen bonds in water molecules, weakening the binding force between intracellular water and cell components. Under the activation of the microwave thermal field, composite biological enzymes specifically enzymatically hydrolyze the physically damaged cell wall fragments and polysaccharides and protein components in extracellular polymers, degrading large organic molecules into small soluble molecules. The layered high-pressure method uses segmented pressurization to cause plastic deformation of the sludge cake under pressure, continuously squeezing out capillary water and residual adsorbed water, achieving precise biochemical lysis.

This invention provides an acid-resistant horizontal seepage barrier structure using tailings sand as a substrate and its construction method. The seepage barrier structure, from bottom to top, includes an adsorption salt barrier layer, a condensation water barrier layer, and a capillary barrier layer. The condensation water barrier layer is composed of a mixture of tailings sand, silica sol, and tetraethyl orthosilicate. When the condensation water barrier layer is in an acidic environment, under H... + Under catalysis, the SiO2 precursor dehydrates and condenses to form a network-structured gel, which coats and connects the particles of tailings sand. The adsorption salt barrier layer is used to adsorb and block salts rising with capillary water in the soil beneath the seepage barrier structure. The condensation water barrier layer is the key layer for the seepage barrier structure to achieve its seepage prevention and water interception effect. The capillary barrier layer is used to impede some of the infiltrated water at the interface between the two soil layers above the seepage barrier structure. This invention utilizes industrial solid waste tailings sand, realizing the resource utilization of tailings sand. Its adaptability to strongly acidic environments makes it applicable to a wide range of scenarios.

The application provides a kind of booster station cable trench intelligent damp-proof dehumidification system and method, system includes cable trench body, bottom seepage isolation module, active air circulation dehumidification module and intelligent control module;Bottom seepage isolation module is composed of slope finding layer, seepage layer, air-tight isolation layer, protective layer, realizes water accumulation guide and capillary water vapor block;Active air circulation dehumidification module adopts lower suction upper sending internal circulation condensation dehumidification, cooperates with electric sealing valve to realize standby sealing dry;Intelligent control module is based on humidity, water level double parameter linkage, automatically executes drainage, dehumidification, standby mode.The application solves the problem of liquid water and gaseous moisture from the root, dehumidification is stable, energy consumption is low, safety is high, can significantly improve cable operation life and booster station operation safety, suitable for various booster stations, substation cable trench damp-proof dehumidification.