31 results about "Capillary water absorption" patented technology

The embodiment of the invention relates to the technical field of sludge treatment, and discloses an AGI-based sludge deep dehydration conditioning method, which comprises the following steps: acquiring time sequence sensor parameters detected by a plurality of sensors at a dehydration conditioning system; acquiring an image, acquired by image acquisition equipment, of sludge at the corresponding capillary water absorption detection system; extracting an image feature vector from the at least one image according to the convolutional neural network, and encoding a corresponding time sequence sensor parameter by adopting a Transform module to generate a time sequence feature vector; fusing the image feature vector and the time sequence feature vector into an input state representation; the input state representation is input into an AGI multi-mode model for recognition processing, and output state information is generated through a multi-task decoder; and transmitting the optimal control parameters to a corresponding programmable logic controller so as to adjust the operation state of the dehydration conditioning system. By means of the method, real-time sensing, intelligent decision making and dynamic optimization of the sludge deep dehydration conditioning process are achieved.

The invention belongs to the field of functional textile materials, and provides a one-way moisture-conducting breathable fabric based on a vinyl elastomer and a preparation method of the one-way moisture-conducting breathable fabric based on the vinyl elastomer. The hydrophilic coating contains a vinyl elastomer matrix, polyvinyl alcohol, a zwitterionic polymer and a cross-linking agent, the hydrophobic coating contains a vinyl elastomer matrix, vinyl-terminated polydimethylsiloxane, polyhedral oligomeric silsesquioxane and other components, the coatings are only attached to the surfaces of yarn fibers and do not block pores, and a wettability gradient structure is formed; the excellent performance that the static contact angle gradient in the thickness direction is larger than or equal to 50 degrees, the capillary water absorption height from the inner side to the outer side is larger than or equal to 3.0 cm / 10 min, the capillary water absorption height from the outer side to the inner side is smaller than or equal to 1.0 cm / 10 min, the moisture permeation amount is larger than or equal to 5000 g.m.24 h, and the air permeability after curing is 65% or above of a fabric base material is achieved, the technical problem that an existing fabric is insufficient in moisture conductivity and air permeability is solved, and wide application value is achieved.

The invention belongs to the technical field of functional nano porous materials, and particularly discloses highly-ordered layered double ceramic fiber aerogel and a preparation method thereof. The invention aims to consider the structural stability and application efficiency of the material, so that the material has unique advantages in the field of heat preservation and heat insulation. According to the main scheme, the preparation method comprises the following steps: dissolving metal alkoxide and a thickening agent to prepare a spinning solution, preparing two ceramic nanofibers through electrostatic spinning, and carrying out vacuum filtration on the ceramic nanofibers subjected to heat treatment to form a fiber membrane, then immersing the fiber membrane into an aqueous solution, promoting self-assembly of fibers to form a porous structure by utilizing a capillary water absorption effect of tiny holes in a fiber skeleton, and finally performing freeze drying and high-temperature calcination to obtain the highly-ordered layered double-ceramic fiber aerogel. The aerogel is composed of a highly ordered layered fiber skeleton, and has excellent mechanical properties and ultralow heat conductivity coefficient. The method is widely applied to the heat-insulating field.

The invention relates to the technical field of material performance testing, solves the technical problem that in the prior art, it is difficult to conduct multi-parameter heat and humidity performance testing on the same to-be-tested sample in a controllable testing environment, and provides a material heat and humidity performance testing method and system.The method comprises the steps that the to-be-tested sample is pretreated, and a first sample is obtained; placing the first sample in a first test environment, and supplying water to the first sample to obtain a first mass change curve; according to the first mass change curve, the capillary water absorption coefficient and the saturated water content are obtained through calculation; obtaining a second test environment according to the target climate parameters; and taking the first sample saturated by water absorption as a second sample, placing the second sample in a second test environment, and calculating to obtain an average evaporation rate and a cooling contribution value according to a second mass change curve and sample surface temperature data in the test process of the second sample. According to the invention, multi-parameter heat and humidity performance testing of the to-be-tested sample can be realized.

The invention provides a concrete capillary water absorption test device and method, and belongs to the technical field of concrete durability tests.The concrete capillary water absorption test device comprises a fluid storage tank, test fluid is placed in the fluid storage tank, the fluid storage tank is placed on a weighing device, and the weighing device is used for measuring the total weight of the fluid storage tank and the test fluid in the fluid storage tank; a concrete sample is fixed above the fluid storage tank through a supporting device, and the bottom end of the concrete sample is immersed in the test fluid. According to the invention, errors in the capillary water absorption test can be reduced, continuous and high-fidelity monitoring of the water absorption process can be realized, especially tiny changes in the initial stage and the later stage of water absorption can be accurately captured, and the accuracy of the result of the capillary water absorption test is ensured.

The invention relates to a high-foot drainage flowerpot which comprises a flowerpot installation capillary drainage device, and the space and the height from a drainage hole in the bottom of the flowerpot to the ground are increased by lengthening flowerpot supporting feet. The capillary drainage device is made of materials with capillary water absorption, such as cotton threads, cloth strips, paper tapes, fiber rods and hemp ropes, the capillary drainage device is installed by increasing the height of the supporting legs of the flowerpot, and accumulated water in soil of the flowerpot is drained out of the flowerpot through the capillary drainage device. The capillary drainage device is installed on the flowerpot by extending the flowerpot supporting legs, the drainage performance of the flowerpot is improved under the capillary water absorption effect, the root stuffy and rotten phenomena occurring when flower plants are planted in the flowerpot are reduced, and the quality and survival rate of the flower plants planted in the flowerpot are improved.

The present invention relates to the field of flowerpot cultivation and planting, and specifically to a method of installing a capillary drainage device on the flowerpot to improve the drainage of the flowerpot under the action of capillary water absorption, and different assembly methods of the flowerpot and the cover pot are used to complete watering, draining and placement, and to lower the center of gravity of the flowerpot. The capillary drainage device is composed of materials with capillary water absorption such as cotton thread, cloth strip, paper tape, hemp rope, etc., the cover pot has holes at the bottom, and the tray has no holes, and watering, draining and flowerpot placement are completed through different placement methods. The invention improves the drainage of the flowerpot under the action of capillary water absorption by installing a capillary drainage device on the flowerpot, and during normal flowerpot maintenance, the flowerpot is placed in the cover pot to lower the center of gravity and improve the stability of the flowerpot placement.

The invention discloses a partition-optimized 0.1-0.4mm ultra-thin VC and a preparation method thereof, comprising an upper cover plate and a lower cover plate, wherein the upper cover plate is welded to the lower cover plate; the upper cover plate and the lower cover plate both comprise an evaporation section, an insulation section and a condensation section; the surface of the evaporation section of the upper cover plate is set as a super-hydrophilic cavity-shaped micro-nano structure, the surface of the insulation section is set as a super-hydrophilic equal-width groove micro-nano structure, and the surface of the condensation section is set as a super-hydrophobic conical micro-nano structure; the surface of the evaporation section region of the lower cover plate is set as a super-hydrophilic conical micro-nano structure, the surface of the insulation section region is set as a super-hydrophilic cactus-like wedge-shaped groove micro-nano structure, and the surface of the condensation section region is set as a super-hydrophilic conical micro-nano structure; the application also discloses a preparation method of the ultra-thin VC. The invention can not only optimize the vapor cavity structure and liquid cavity structure and volume distribution inside the heat pipe, but also ensure its good capillary water absorption performance and low water resistance and thermal resistance.

The invention discloses a multi-parameter joint evaluation method for transmission performance of ultra-high performance concrete, and belongs to the technical field of concrete durability evaluation. The multi-parameter joint evaluation method comprises the following steps: preparing an ultra-high performance concrete test piece with a gradient function; calculating a steel fiber distribution coefficient; obtaining a slice test piece; performing a gas permeation test on the test piece with the undamaged slices; performing a capillary water absorption experiment on the test piece with the undamaged slices; carrying out a splitting tensile strength test to obtain slice test pieces with different damage degrees; performing a gas permeation test and a capillary water absorption test on the damaged slice test piece; and calculating and fitting the experimental results to obtain a concrete transmission performance multi-parameter joint evaluation equation set under the steel fiber distribution coefficient. According to the method, the gas transmission performance and the capillary water absorption are tested at different slice positions of the ultra-high performance concrete test piece with a certain mixing ratio, the evaluation process of the concrete transmission performance is obtained, the process of permeability evaluation through multiple parameters is introduced, and the accuracy of the evaluation result is improved.

This invention belongs to the field of flower box technology, specifically a modular flower box with water storage and collection functions. It includes a box body, a support plate fixedly connected to the bottom of the box body, a water storage cavity inside the box body, an installation plate inside the water storage cavity, a placement groove at the top center of the installation plate, and a planting pot placed inside the placement groove. Fixing plates are fixedly connected to the lower surfaces of both the front and rear surfaces of the planting pot. An installation assembly is provided between the fixing plates, the installation plate, and the box body. This assembly is used for installing and disassembling the installation plate, the planting pot, and the box body. By incorporating the water storage cavity, filter assembly, and capillary water absorption assembly, rainwater can be effectively collected and stored, and filtered, providing a continuous and stable water source for the plants in the planting pot, improving the utilization efficiency of rainwater resources and reducing the frequency of manual watering.

This invention belongs to the field of water pollution control and treatment technology, specifically a sludge filtration and water separation mechanism for water conservancy construction. Addressing the shortcomings of traditional sludge filtration and water separation equipment in water pollution control and treatment, which often employs mechanical extrusion and filter screens that are easily clogged by fine sludge particles, this invention proposes the following solution: It includes a sludge receiving tank with a sludge inlet connected to its outer side and a sludge outlet connected to its bottom side, with a sealing cap installed at the outlet. This invention utilizes a combination of capillary water absorption and solar evaporation and condensation to achieve sludge-water separation, requiring no additional energy consumption, thus being energy-saving and environmentally friendly. A temperature-sensing self-cleaning structure effectively prevents clogging and reduces manual maintenance. Combined with a sealed heat collection chamber and an automatic bottom cleaning component, it achieves excellent dewatering effect and smooth sludge discharge, solving the problems of easy clogging, high energy consumption, and environmental pollution associated with traditional equipment in water pollution control and treatment.

The invention relates to the technical field of ecological restoration infiltrating irrigation, in particular to a river beach ecological restoration infiltrating irrigation device, which is characterized in that one part of a capillary water absorption piece extends into an underground water level, and the other part of the capillary water absorption piece is arranged in a water storage space; the power assembly acts on the capillary water absorption piece, and part of saturated water absorbed by the capillary water absorption piece is converted into free water stored in the water storage space through mechanical action. One end of the capillary water delivery part is arranged in the water storage space, and the other end of the capillary water delivery part penetrates out of the water storage space and extends to a plant root system area to be infiltrated; the capillary water absorption part is utilized to actively enrich water from the underground water level, a mechanical action (such as periodic extrusion) is applied to the capillary water absorption part through the power assembly, so that capillary saturated water in the water absorption part is converted into gravity water capable of freely flowing, the gravity water is temporarily stored in the water storage space, and then the gravity water is stored in the water storage space through the capillary water delivery part. And the free water in the water storage space is continuously and slowly conveyed to a plant root zone needing infiltrating irrigation under the capillary action.

This invention belongs to the field of concrete admixtures and functional materials, and discloses a method for preparing a long-lasting waterproof concrete admixture and its application. The method includes: ring-opening addition of an organosilicon amine compound containing amino and trialkoxysilane groups with maleic anhydride in an inert organic solvent to obtain a hydration regulator A containing carboxylic acid groups, amide groups, and trialkoxysilane groups; copolymerizing γ-methacryloyloxypropyltrialkoxysilane with perfluorooctyl acrylate to obtain a bifunctional self-assembled component B; adding A and B to an aqueous phase, dispersing and mixing them in the presence of a dispersant, adjusting the pH, and reacting at 55-70℃ to hydrolyze, condense, and crosslink the trialkoxysilane groups to obtain an aqueous dispersion or emulsion admixture. When incorporated into concrete, this admixture can regulate the hydration process and construct a hydrophobic network in situ, reducing capillary water absorption and permeability, improving impermeability and durability, and is suitable for underground and marine engineering concrete.

The present application relates to the technical field of composite material nondestructive testing and structure health monitoring, in particular to a new energy composite material micro-crack testing method based on ultrasonic echo; comprising: obtaining the time sequence ultrasonic echo signal of the target composite material in a continuous time period, and synchronously obtaining the soil volume water content and soil temperature; extracting the echo attenuation coefficient under different soil volume water contents, and analyzing the water saturation degree of micro-cracks; combining the soil humidity change curve and the water saturation degree change curve to calculate the capillary water absorption response coefficient; inputting the water machine coupling degradation prediction model to calculate the material degradation rate and the residual strength reduction coefficient; combining the future meteorological prediction data to extrapolate the water-sensitive micro-crack risk index, and obtaining the dynamic warning of the remaining safe life; the present application realizes the improvement from single static detection to the identification of the internal medium state of cracks.

This invention discloses an evaluation method for the water stability of ecologically improved soil aggregates, comprising the following steps: (1) Soil aggregate immersion experiment, collecting mass data and critical state time consumption during the entire immersion process of aggregates; (2) Obtaining the water absorption rate V of aggregates based on the capillary water absorption time and mass data during the pre-immersion process of aggregates; (3) Obtaining the sieving particle size coefficient D based on the remaining mass on each layer of sieves after the aggregates have stabilized from immersion; (4) Obtaining the water stability coefficient S of aggregates by combining the three parameters of the remaining mass on the first layer of sieves, the water absorption rate of aggregates, and the sieving particle size coefficient, and evaluating the water stability of ecologically improved soil aggregates; This invention has a wide range of soil evaluation methods and a complete evaluation method, solving the problem that existing soil aggregate water stability evaluation methods have single parameters and cannot fully reflect the ecological improvement effect of soil aggregates.

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 an ABS (acrylonitrile butadiene styrene) / PA (polyamide) alloy material, which comprises the following components: 15-25 parts of acrylonitrile-butadiene-styrene terpolymer; 10 to 30 parts of polyamide resin; 45 to 65 parts of alpha-SAN resin; 1-5 parts of a compatilizer; and 1-5 parts of a lubricant. According to the invention, alpha-SAN is introduced into an ABS and PA blended material system, so that the rigidity of the material is improved, and the crystallization shrinkage of polyamide is resisted; meanwhile, a special compatilizer is introduced, so that polyamide crystallization can be reduced through a steric hindrance effect, the problem of size shrinkage is further avoided, the compatibility of ABS and PA can be effectively improved, phase interface gaps are reduced, the capillary water absorption effect is avoided, and the water absorption of the material is reduced; a hydrophobic layer can be formed on the surface of the material to prevent water molecules from entering, the dimensional stability of the material is further improved, the rolling angle of the surface of the material can be greatly reduced, and the quick-drying purpose is achieved in the water cleaning process.

The utility model relates to the technical field of planting boxes, and discloses a seedling planting box with controllable watering quantity, which is characterized in that a water storage cavity is arranged in a cultivation base, a planting box seat is embedded and mounted on the opening side of the upper part of the water storage cavity, and a plurality of planting cup seats are inserted and mounted in the planting box seat; the capillary water guide rope is arranged on the lower portion of the planting cup base and droops into the water storage cavity, a capillary type plant watering mode is adopted, the capillary water guide rope is arranged at the bottom of the planting cup base, water in the water storage cavity is sucked through the capillary water absorption effect of the capillary water guide rope, water supply is stable, and the lasting time is long. According to the planting box, plant absorption is facilitated, a plant soil layer can be prevented from being scoured, water loss cannot be caused in the absorption process, accurate control over the watering amount can be achieved, the independent planting cup base is adopted, the planting cup base is installed in the planting box base in an embedded and inserted mode, independent taking and moving can be carried out, and the planting box base is convenient to use. The use is flexible, and transplanting of plants is facilitated.

The application discloses a composite process for improving the heat conduction and hydrophobic performance of rock wool, and belongs to the technical field of building insulation material production. The application comprises the following steps: rock wool substrate pretreatment, aerogel penetration-solidification treatment, edge hydrophobic reinforcement treatment and finished product inspection; a composite slurry containing hydrophobic aerogel and a high polymer binder is introduced into rock wool pores in a vacuum penetration mode and is solidified, and 1-3 mm hydrophobic putty is coated on the four edges of the rock wool to form a sealing band. The application significantly reduces the heat conduction coefficient by reconstructing the micropore-nanopore gradient heat insulation structure, simultaneously blocks the edge capillary water absorption channel, effectively solves the technical problems of high heat conduction of traditional rock wool, easy water absorption of the edge, poor bonding stability, cost imbalance and difficulty in industrialization integration, and has the advantages of low heat conduction, long-term hydrophobicity, stable durability, economic efficiency and easy scale production, and is suitable for passive ultra-low energy consumption buildings and insulation and decoration integrated panel core materials.

The invention discloses a porous medium water absorption testing device based on machine vision and a measuring method thereof. The device comprises a fluid tank, a clamping structure, a calibration plate, a background plate, a shooting device and a light source. The clamping structure is used for vertically clamping one or more porous medium samples, and the height of the clamping structure can be adjusted so that the bottom of the clamping structure can be immersed below the liquid level of the fluid groove. The shooting device is combined with the light source and the pure color background plate to obtain a clear sample image sequence. The measuring method comprises the steps of sample installation and system calibration, continuous image acquisition, image processing and pixel analysis-based water absorption height and speed real-time calculation. Through the machine vision technology, non-contact and real-time visual monitoring of the porous medium capillary water absorption process is achieved, evolution data before and after water absorption can be directly and accurately obtained, manual operation errors and process interruption are avoided, and the testing efficiency, precision and automation level are remarkably improved.

This invention relates to the field of carbon ash separation technology, and more particularly to a carbon ash separation treatment method for gasification slag recovery, comprising: determining whether the ultrasonic treatment of the gasification slag is qualified based on the carbon enrichment rate of fixed carbon in the gasification slag with a preset particle size; in response to the qualified ultrasonic treatment of the gasification slag, determining the total drying time of the gasification slag based on the specific capillary water absorption time of the gasification slag; determining whether the drying of the gasification slag meets the standard based on the change rate of the specific capillary water absorption time of the gasification slag, so as to correct the remaining drying time; determining the addition of a modifier to chemically modify the gasification slag based on the angle of repose of the gasification slag, and determining the modifier and the amount of modifier added based on the specific capillary water absorption time after drying; determining whether the electrostatic treatment is qualified based on the change rate of the angle of repose of the gasification slag during the electrostatic treatment process, and in response to the qualified electrostatic treatment, determining that the carbon ash separation of the gasification slag is completed. This invention improves the carbon recovery rate and concentrate quality of carbon ash separation.

The application provides an active power-free safety system and a mountain tunnel drainage method, and belongs to the technical field of tunnel safety. The system comprises a groundwater collection module, a power windmill module, a centrifugal drainage module and a magnetic attraction reverse prevention module. The groundwater collection module pre-intercepts fissure water of surrounding rock; the power windmill module drives the windmill by tunnel wind, and drives the driven shaft to rotate through the bevel gear set; the centrifugal drainage module contains a porous capillary water absorption / water retention core body, which generates centrifugal force with the rotation of the driven shaft to actively discharge the collected groundwater. The magnetic attraction reverse prevention module realizes one-way reverse prevention through magnetic force cooperation. The application does not need external power supply, relies on natural wind energy to drive, realizes proactive active drainage, and has the advantages that capillary and centrifugal synergistic effect adapts to dynamic wind conditions and water level changes, and magnetic attraction reverse prevention effectively prevents backflow. The application can be matched with a disposable degradable siphon hose to assist drainage, form a composite drainage mechanism, and significantly improve the safety and reliability of tunnel drainage.

The application discloses a silane composite nano ettringite hydrophobic agent and a preparation method and application thereof, and belongs to the technical field of building material surface protection. The application aims to solve the problems of weak interface bonding force and poor alkali stability of a full solid waste cementitious material surface protective agent. The hydrophobic agent is composed of the following raw materials in mass parts: 10-14 parts of nano ettringite powder, 3-4 parts of organic silane, 85-90 parts of anhydrous ethanol, 0.15-0.35 parts of water and 0.02-0.05 parts of acetic acid. The organic silane is a mixture of n-octyl triethoxysilane and gamma-aminopropyl triethoxysilane, and the mass ratio of the two is (60-85):(15-40). The technical scheme is used for the surface protection of a full solid waste cementitious material, can form a stable hydrophobic layer, and has the advantages of a surface water contact angle of greater than or equal to 100 degrees, a capillary water absorption coefficient reduction of greater than or equal to 30%, and a chloride ion penetration depth reduction of greater than or equal to 50%. The preparation process is simple, the alkali stability is strong, the hydrophobic effect is durable, and the application is suitable for the long-term protection of a full solid waste cementitious material such as a steel slag powder-mineral slag powder-gypsum system.

The utility model relates to the technical field of sound-insulation and heat-insulation glass fiber cotton felt water absorption tests, and particularly discloses a capillary water absorption test device for a sound-insulation and heat-insulation cotton felt, which is characterized in that a water storage tank and a water tank are connected through a first water guide pipe to form a communicating vessel, and the liquid level of deionized water in the water storage tank is connected with the water tank through a second water guide pipe to form a closed loop; when a capillary water absorption test is carried out on a sound-insulation and heat-insulation cotton felt sample, after deionized water is evaporated and the liquid level drops due to high temperature, the pressure intensity of the liquid level changes to generate a siphon effect, and the deionized water in the water tank flows into the water storage tank through the first water guide pipe until the liquid level of the deionized water reaches air pressure balance again; the device controls and maintains the height of the liquid level in the water storage tank by means of a communicating vessel principle and a siphonic effect, does not need to use external energy, is more convenient to operate and use, and is high in universality.

The utility model discloses a cement fiber composite external wall panel based on a capillary water absorption plate, and relates to the technical field of composite wall panels. The problems that in the prior art, an external wall panel is large in thickness, heavy in weight and inconvenient to transport and install, and a rock wool layer keel is prone to rusting and losing efficacy and has potential safety hazards are solved. Comprising a cement fiber inner wall plate, a fiber reinforced silicate inner plate, a light steel keel rock wool layer, a fiber reinforced silicate outer plate and a cement fiber outer wall plate which are sequentially arranged, and a stainless steel plate and a capillary water absorption plate are arranged between the fiber reinforced silicate outer plate and the cement fiber outer wall plate. The stainless steel plate is arranged close to the fiber reinforced silicate outer plate, and the capillary water absorption plate is arranged close to the cement fiber outer wall plate. The cement fiber composite external wall panel based on the capillary water absorption plate is used for an external wall of a medium-large transformer substation, and the cement fiber composite external wall panel is small in thickness, light in weight and convenient to transport and install; the waterproof performance is good, the safety performance is guaranteed, and the service life is prolonged.

A method for preparing porous reinforced artificial aggregate and a method for preparing concrete materials using it are disclosed. This invention addresses the technical problem that directly adding biochar particles to concrete yields poor results in improving the water absorption and retention capacity of the material. The method for preparing the porous reinforced artificial aggregate involves: uniformly mixing biochar particles, slag powder, steel slag powder, desulfurized gypsum, and phosphogypsum to obtain a mixed dry material; firstly, adding water to a portion of the mixed dry material and preparing an aggregate core in a disc granulator; then, intermittently spraying water into the disc granulator and adding the remaining mixed dry material, forming a covering layer on the outer surface of the aggregate core to obtain an aggregate blank; after curing, the porous reinforced artificial aggregate is obtained. Using porous reinforced artificial aggregate to replace part of the natural aggregate in the preparation of concrete materials increases the capillary water absorption coefficient by 77% to 205% compared to ordinary concrete materials, making it suitable for use in the construction industry.

The invention belongs to the field of building decoration, and particularly relates to a double-curved-surface arc-shaped stone skirting line assembling and mounting process which comprises the following steps: wall surface pretreatment: cleaning dust and oil stains on a wall surface, checking and ensuring that the wall surface is free of hollowing, and repairing and flattening an uneven area; according to the design height, a skirting line installation datum line is popped out through a laser gradienter, according to the double-curved-surface arc design, 90-degree right-angle dead angles are eliminated, dust is difficult to accumulate due to arc transition, and the surface is smooth and free of grooves in cooperation with joint mixture polishing treatment at joints in the process. For the defect of poor moisture resistance, the artificial stone (especially a quartz stone base) matched with the process is compact and free of holes, water accumulation at the bottom is avoided by reserving an expansion joint of 1-2 mm during installation, meanwhile, a keel dry hanging method enables the skirting line and the wall face to be kept in a micro gap, capillary water absorption is reduced, and the problems that a wood skirting line expands due to damp and the bottom of the stone material goes mouldy are solved.

The utility model relates to a high-foot drainage flowerpot which comprises a flowerpot installation capillary drainage device, and the space and the height from a drainage hole in the bottom of the flowerpot to the ground are increased by lengthening flowerpot supporting feet. The capillary drainage device is made of materials with capillary water absorption, such as cotton threads, cloth strips, paper tapes, fiber rods and hemp ropes, the capillary drainage device is installed by increasing the height of the supporting legs of the flowerpot, and accumulated water in soil of the flowerpot is drained out of the flowerpot through the capillary drainage device. The capillary drainage device is installed on the flowerpot by lengthening the flowerpot supporting legs, the drainage performance of the flowerpot is improved under the action of capillary water absorption, the root stuffy and rotten phenomena occurring when flower plants are planted in the flowerpot are reduced, and the quality and survival rate of the flower plants planted in the flowerpot are improved.

This invention discloses a construction method for a high crack-resistant and long-durability concrete structure, relating to the field of concrete structure construction technology. The method includes dividing the structure into a main pouring zone, a constraint transition zone, and a surface protection zone based on the constraint and exposed surface locations; preparing main concrete containing composite expansion components and crack-resistant fibers, and interlayer compensation material containing delayed expansion components, internal curing particles, and fiber dispersion slurry; continuously pouring the main concrete in layers, and placing the interlayer compensation material between adjacent pouring layers and in the constraint transition zone; adjusting the insulation and moisture retention curing according to the temperature difference between the core and the surface and the surface humidity; constructing a penetrating crystalline protective slurry layer and maintaining moisture retention after the surface reaches a preset capillary water absorption state; improving the crack resistance, impermeability, and long-term durability of the concrete structure by reducing interlayer microcracks and constraint cracks; and solving the problems of shrinkage compensation in high-risk crack areas of existing concrete structures, and the easy formation of microcracks and weak penetration channels at interlayer interfaces.

The application discloses a silane composite nano ettringite hydrophobic agent and a preparation method and application thereof, and belongs to the technical field of building material surface protection. The application aims to solve the problems of weak interface bonding force and poor alkali stability of a full solid waste cementitious material surface protective agent. The hydrophobic agent is composed of the following raw materials in mass parts: 10-14 parts of nano ettringite powder, 3-4 parts of organic silane, 85-90 parts of anhydrous ethanol, 0.15-0.35 parts of water and 0.02-0.05 parts of acetic acid. The organic silane is a mixture of n-octyl triethoxysilane and gamma-aminopropyl triethoxysilane, and the mass ratio of the two is (60-85):(15-40). The technical scheme is used for the surface protection of a full solid waste cementitious material, can form a stable hydrophobic layer, and has the advantages of a surface water contact angle of greater than or equal to 100 degrees, a capillary water absorption coefficient reduction of greater than or equal to 30%, and a chloride ion penetration depth reduction of greater than or equal to 50%. The preparation process is simple, the alkali stability is strong, the hydrophobic effect is durable, and the application is suitable for the long-term protection of a full solid waste cementitious material such as a steel slag powder-mineral slag powder-gypsum system.