20 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 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.

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.

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 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 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.