20results about How to "Fast water absorption" patented technology

The invention discloses ship lock large-volume air-entraining concrete and a pouring vibration exhaust method, and belongs to the technical field of concrete.The ship lock large-volume air-entraining concrete is prepared from 130-160 kg / m < 3 > of cement, 50-70 kg / m < 3 > of fly ash, 50-70 kg / m < 3 > of mineral powder, 600-750 kg / m < 3 > of sand, 1300-1500 kg / m < 3 > of gravel, 3-5 kg / m < 3 > of a water reducing agent, 90-130 kg / m < 3 > of water and 3-4 kg / m < 3 > of an air-entraining anti-cracking agent according to the mixing proportion; a nano-scale super absorbent material is adopted as an air-entraining anti-cracking agent, internal humidity is maintained and a temperature peak value is reduced through water absorption and slow water release, and corresponding nano micropores are reserved in a microstructure through water release and polymer shrinkage, so that the effects of enhancing mechanical properties and resisting cracking after air entraining are achieved.

This disclosure presents an all-weather intelligent desalination device, comprising a high-transparency top cover, a solar energy storage device, and a housing. The housing includes a first chamber and a second chamber. A plurality of photothermal devices are disposed within the first chamber and connected to the housing via a rotating shaft. A raw water storage chamber is formed between the photothermal devices and the bottom of the housing. An evaporation and condensation chamber is formed between the photothermal devices and the high-transparency top cover. The photothermal device includes a photothermal structure and a hydrophobic layer, a first hydrophilic layer, a second hydrophilic layer, and a third hydrophilic layer disposed outside the photothermal structure. The first hydrophilic layer surrounds the periphery of the hydrophobic layer, forming a first planar structure. The second hydrophilic layer is perpendicular to the first planar structure. The third hydrophilic layer is connected to the second hydrophilic layer and forms a second planar structure. This device can achieve high-efficiency seawater desalination in all weather conditions and can adjust the rotation of the photothermal devices according to different light intensities to achieve efficient evaporation, greatly improving desalination efficiency.

The utility model discloses a solar full-spectrum-driven zero-carbon air conditioning system which comprises a solar photovoltaic system, a dehumidifier and a reverse-flow dew-point evaporative cooler. The solar photovoltaic system comprises a solar photovoltaic panel, a storage battery and a water tank, and a water cooling plate is arranged on the solar photovoltaic panel; the storage battery is used for storing electric energy generated by the solar photovoltaic panel and supplying power to the fan, and the water cooling plate is used for collecting heat generated by the solar photovoltaic panel and storing heated water in the water tank; the dehumidifier adopts an MOFs material as a desiccant and comprises two dehumidification modules, and the two dehumidification modules adopt a dehumidification-desorption alternate cycle working mode and alternately execute dehumidification operation and regeneration operation; the reverse-flow dew-point evaporative cooler comprises a dry channel and a wet channel, dry air dehumidified by the dehumidifier is divided into two parts at the tail end of the dry channel after passing through the dry channel, one part serves as working air to enter the wet channel to promote evaporation of a water film on the surface of the wet channel, and the other part serves as product air to be exhausted.

The present application relates to feed ring mold repair cleaning technical field, especially to a kind of multifunctional cleaning equipment for feed ring mold repair, including cleaning cylinder and cylinder cover;Cleaning cylinder is equipped with cylinder cover.This application realizes by electric control ball valve to close branch pipe, so that high-pressure clean water cannot pass through electric control ball valve, and then high-pressure clean water will sliding sleeve be pushed to the hole in the corresponding hole of feed ring mold, and the clogging material in hole is pushed out by sliding sleeve, and the hole is dredged, to avoid causing a large amount of water waste;Through dredging pipe, before sliding sleeve, insert into the clogging material inside the hole of feed ring mold, and by through hole, make the flow guide groove and the corresponding dredging pipe communicate, so that the clean water in branch pipe enters the dredging pipe through the flow guide groove and the through hole, and then is sprayed from the fine hole on the outer surface of the dredging pipe, to directly inject into the clogging material inside, quickly wet the inside of clogging material, so that clogging material quickly absorbs water, expands and softens, to facilitate sliding sleeve to push out the material.

This utility model discloses a detachable hooded hair towel for children, specifically relating to the field of daily necessities technology. It includes a towel body with a dividing line on its upper side and a zipper at the top. The towel's inner quick-drying layer is soft and skin-friendly, providing children with an extremely comfortable experience, offering warmth and comfort. The outer high-efficiency absorbent layer quickly absorbs and locks in moisture, ensuring rapid drying of hair and scalp. A carefully designed elastic band fits snugly against the head when the towel is folded into a hood shape, ensuring effective wiping while preventing slippage, combining practicality and safety. This utility model of a quick-drying children's towel has advantages such as simple structure, ease of use, and strong adaptability. Its unique design not only solves many problems existing in the use of traditional towels but also significantly improves the towel's durability and practicality. Therefore, this towel has high practical value and market potential, and is worthy of widespread promotion and application.

This invention belongs to the field of ecological restoration and soil moisture regulation in arid areas, and relates to a biomass-based porous carbon material, its preparation method, and its application. The preparation method of the biomass-based porous carbon material includes the following steps: S1: Pre-treating crushed herbaceous fiber plant stem biomass to obtain pre-treated biomass. S2: Dehydrating the pre-treated biomass to obtain dehydrated biomass. S3: Carbonizing the dehydrated biomass to obtain a porous carbon skeleton. S4: Activating the porous carbon skeleton in a calcium hydroxide solution to obtain a porous carbon material with micropores, mesopores, and macropores. This invention, through the synergistic effect of four core steps—pre-treatment, dehydration, carbonization, and activation—constructs a multi-level interconnected pore structure composed of micropores, mesopores, and flow-conducting macropores while maintaining the natural fibrous vascular structure of herbaceous biomass. The specific surface area is increased by 600-800% compared to carbonized materials alone, while maintaining a water absorption rate of 150-300%.

The application belongs to the technical field of photothermal interface evaporation, and particularly relates to a core-shell structure solar evaporator and a preparation method and application thereof. The core-shell structure solar evaporator comprises a hydrophilic inner core and a hydrophobic shell; the hydrophilic inner core and the hydrophobic shell both use Co-doped MoS2 as a photothermal conversion material. The unique three-dimensional macrostructure of the core-shell structure solar evaporator not only enlarges the evaporation area, but also enhances the light absorption capacity through multiple reflections of incident light. In addition, because the hydrophobic layer is the shell, the problem of surface salt deposition of the existing solar evaporator during seawater desalination can be solved, the core-shell structure solar evaporator has excellent salt resistance, and can stably perform seawater desalination for a long time.

The invention relates to the technical field of hygienic products, and discloses a pet mat capable of rapidly absorbing water and preventing leakage and a preparation method thereof. Comprising the following operation steps: step 1: (1) uniformly mixing water-absorbent resin, diatomite and wood pulp, and carrying out compression molding to obtain a water-absorbent layer; (2) carrying out melt extrusion granulation, melt spinning, airflow traction, lapping and hot rolling bonding reinforcement on polycaprolactone, a compatilizer and the modified poly (3-hydroxybutyrate) to obtain a modified polycaprolactone non-woven fabric; step 2, sequentially superposing the modified polycaprolactone non-woven fabric, the water absorption layer and the leakage-proof layer, and performing hot-pressing fixation and ultrasonic edge pressing to obtain the pet pad. According to the scheme, deacetylated chitosan and glycerol are crosslinked through citric acid by virtue of the water absorption layer, and meanwhile, collapse after swelling is prevented by virtue of introduction of a polyethylene glycol-poly (butylene succinate) chain segment, so that liquid backflow is avoided; the surface layer is made of the modified polycaprolactone non-woven fabric, liquid can be rapidly guided to infiltrate into the water absorption layer, and the back-seepage amount is reduced.

The application discloses a preparation method of polyvinyl alcohol sponge-like gel and belongs to the technical field of high polymer gel preparation. The polyvinyl alcohol solution is obtained by heating and dissolving, then small-molecule polyhydric alcohol, inorganic salt with salt-dissolving effect and inorganic salt with salting-out effect are sequentially added into the polyvinyl alcohol solution, the polyvinyl alcohol composite emulsion is obtained by stirring and mixing, the emulsion is placed and matured at normal temperature to obtain the sponge-like gel with open hole structure, the gel has extremely fast liquid absorption capacity and obvious negative pressure drainage effect, and can be applied to the fields of biological medicine and the like. Meanwhile, the polyvinyl alcohol sponge-like gel can still maintain the shape after repeatedly losing water and rehydrating.

The application relates to the field of biochemical technology, and particularly discloses a method for efficiently extracting green mung bean starch. The method comprises the following steps: obtaining green bean sprouts by ultrasonic-assisted soaking and germination culture of green mung beans; obtaining green bean sprout powder by drying, crushing and sieving the green bean sprouts; mixing the green bean sprout powder with a NaOH solution, oscillating, washing, centrifuging, filtering and obtaining pure starch, and finally drying, grinding and sieving to obtain germinated green mung bean starch. The extraction method combines ultrasonic pretreatment with a germination process, effectively improves the gelatinization characteristics of the starch, significantly improves the starch viscosity, thereby enhancing the applicability of the starch in food processing, and meanwhile, the nutritional and functional characteristics of the green mung bean starch are retained.

The application provides a preparation method of wear-resistant and water-absorbing regenerated polyester fiber, comprising the following steps: S1. mesoporous silicon dioxide is immersed in a salt solution to obtain salt-containing silicon dioxide; S2. the salt-containing silicon dioxide and regenerated polyester chips are placed in a double-screw extruder for blending, extrusion and granulation to obtain modified regenerated polyester skin layer master batch; S3. sodium alginate / cellulose nanocrystal composite nanomaterial and regenerated polyester chips are placed in a double-screw extruder for blending, extrusion and granulation to obtain modified regenerated polyester core layer master batch; S4. the master batches prepared in S2 and S3 are respectively used as skin layer and core layer master batches, dry spinning is adopted, and drafting is performed to obtain a skin-core structure fiber; and S5. the skin-core structure fiber obtained in S4 is immersed in a saturated calcium chloride solution, vacuum impregnation is performed, and a wear-resistant and water-absorbing regenerated polyester fiber is obtained. The application prepares a regenerated polyester fiber which can realize the synergistic improvement of wear resistance and water absorption performance, and has mechanical stability and environmental protection.

This utility model discloses an urban vertical greening planting device, including a planting box body. The main box surface of the planting box body has an outwardly protruding inclined tube. It also includes a slatted basin and a protective mechanism. The protective mechanism includes a wooden outer tube, a foam tube, a rock wool protective layer, a wooden inner tube, a grid tube disc, and a carbon wool planting tray. By setting the protective mechanism at the planting box body for urban vertical greening, the layered nesting of the wooden outer tube, foam tube, rock wool protective layer, and wooden inner tube of the protective mechanism creates a triple heat insulation barrier of heat reflection, air barrier, and fiber water adsorption at the slatted basin inside the planting box body and the inclined tube. This makes it less likely for green plants and soil to be damaged by high temperatures in summer when planted in the slatted basin.

The utility model relates to a battery auxiliary device field, a power battery high pressure connection sealing structure, including the connection stake that embeds in the battery shell, the outside of connection stake is equipped with the sealing cylinder, and there is the sealed cavity in the sealing cylinder, and the connection window is set up on the circumference side surface of sealing cylinder, and the connection window is connected to the inside of sealing cylinder, and the connection window extends through the top of connection stake, the top of sealing cylinder is blocked with the sealing cap, and the sealing block of water absorption expansion rubber material is fixedly connected in the sealing cap, and the sealing block sets up straight cylinder shape, and after the sealing cap is blocked in the top of sealing cylinder, the sealing block is located in the sealed cavity, and the connecting gap is set up in the position of the sealing block to the connection window, and the connecting gap is parallel to the axis of sealing block, and the connection stake is communicated with outside through the connecting gap and the connection window, and the water resistance partition of high molecule water absorption resin solidification is blocked in the connection window, reaches when preventing the vehicle bottom to immerse in the water, and the connection stake contacts with water, improves the effect of the sealing property at the connection stake.

The application discloses a cotton stalk-based agricultural and forestry water-retaining material and a preparation method thereof, which is obtained by mixing, granulating and preparing carboxymethyl cellulose grafting products, nano-synthetic cellulose linseed gum gel particles and nano-synthetic cellulose calcium alginate fiber powder, and the raw materials are cotton stalks. The application realizes the resource utilization of cotton stalks, and obtains a water-retaining material with high water absorption, slow release, water retention and good mechanical stability. Furthermore, the carboxymethyl cellulose is replaced from sodium salt to potassium salt, so that the ion compatibility and applicability of the water-retaining material in the soil environment are improved.

The invention relates to the field of disposable hygienic products, and provides a production method of a leakproof adult paper diaper which comprises a paper diaper body, and the paper diaper body comprises a liquid-permeable top layer, an absorption core layer and a liquid-tight bottom layer which are arranged from top to bottom. The paper diaper comprises a paper diaper body, the paper diaper body is provided with a front end portion located at the front end and a rear end portion located at the rear end, the rear end portion of the paper diaper body is provided with a first leakage-proof piece, the first leakage-proof piece is provided with a first leakage-proof opening with an inward opening, and the first leakage-proof piece can stretch out and draw back in the width direction. According to the leakproof adult paper diaper, the first leakproof piece is arranged at the rear end, the problem that rear leakage is prone to occurring when a woman wears the leakproof adult paper diaper is effectively solved, the first leakproof piece can be telescopically buffered according to the urine amount, the leakproof reliability is further improved, and the technical problem that the leakproof adult paper diaper is poor in rear leakage prevention effect is solved.

This invention relates to the field of tunnel boring machine (TBM) construction technology and discloses a wastewater treatment device for TBMs, including a treatment tank. A partition is fixedly connected to the inner wall of the treatment tank, and a rectangular groove is opened on the partition. The partition divides the treatment tank into a sedimentation chamber and a filtration chamber. A crushing mechanism and a mixing mechanism are arranged in the sedimentation chamber, with the crushing mechanism located directly above the mixing mechanism. A filter plate is arranged in the filtration chamber, with one side of the filter plate fixedly connected to the inner wall of the treatment tank and the other side fixedly connected to the partition. The filter plate has multiple filter holes, and a cleaning mechanism is arranged below the filter plate. From an environmental protection perspective, centralized recycling and treatment can effectively remove pollutants and protect the ecological environment. The treated water can be reused in construction, such as mortar mixing and equipment cleaning, reducing the demand for fresh water resources. Recovering useful substances such as sand, gravel, and coal from the wastewater can create additional economic benefits, improve the internal working environment of the TBM, and improve construction efficiency and safety.

This invention relates to a method for synthesizing dust-free silica gel cat litter at the source. Its morphology and mesoporous structure can be controlled at the source according to usage requirements, belonging to the field of pet product manufacturing technology. This method uses sodium silicate and an acidic solution as raw materials. By controlling the pH, temperature, and reaction time during the gel synthesis stage, the density of hydroxyl groups and the pore structure of the silica gel surface can be controlled at the source. Further optimization of its mesoporous structure and surface properties is achieved through treatment in an alkali metal salt solution. This method eliminates the need for subsequent resin coating or chemical additives, simultaneously achieving dust-free, high-adsorption, long-lasting odor-locking, and structural antibacterial functions at the synthesis source. The resulting silica gel cat litter has low dust content, high water absorption, and strong adsorption capacity for odors such as ammonia. The production process covers the entire process from synthesis and modification to sorting and packaging, making it suitable for large-scale continuous production. It solves the problems of balancing performance and environmental protection, unstable quality control, and fragmented industrial chains inherent in traditional processes.

The invention provides a cooking method, a cooking utensil, a storage medium and a product. The method comprises the steps that in the water absorption stage, a bottom heating assembly is controlled to be started, and the temperature of the bottom of a cooking cavity is kept for a first duration under the condition that the temperature rises to a first temperature; meanwhile, under the condition that the temperature of the air inlet valve reaches a second temperature through the heat conduction assembly, the air blowing assembly and the air inlet valve are controlled to be opened, so that the total dissolved oxygen amount of the liquid is increased; in a heating stage after the water absorption stage, a bottom heating assembly is controlled to be started until the food materials in the cooking cavity are heated to the gelatinization temperature; after the heating stage, the method further comprises at least one of a heating stage, a boiling stage and a braising stage in sequence, so that the flavor of the food is improved, and the generation of nutritional functional substances is promoted.

The present disclosure relates to an oil filtering material, a preparation method and application thereof, and the raw materials of the oil filtering material include, in terms of mass percentage, 30-60% of water-absorbing material, 30-60% of thermoplastic elastomer material, 5-10% of compatibilizer and 1-5% of inorganic filler. The preparation method includes: mixing a certain proportion of the water-absorbing material, the thermoplastic elastomer material, the compatibilizer and the inorganic filler to obtain a mixture; plasticizing the mixture to obtain a melt; vulcanizing the melt to obtain a vulcanizate; crushing the vulcanizate to obtain a water-absorbing swelling material; uniformly laying the water-absorbing swelling material on a porous material and performing hot-pressing compounding to obtain the oil filtering material. The oil filtering material, the preparation method and application thereof have low cost, simple preparation process, and can improve the filtering effect of oil, especially vehicle ethanol gasoline, and prolong the service life of the oil filtering material.

The invention relates to the technical field of medical apparatus and instruments, in particular to an inner cylinder type airflow rotating jet dosing device which comprises a medicine storage cavity used for storing medicine, and the medicine is a powdery substance or a liquid substance; the medicine storage cavity is provided with a medicine outlet; the rotational flow generating structure is communicated with the medicine storage cavity and is used for guiding air flow into the medicine storage cavity to form rotational air flow so as to drive the medicine to rotate; and the first gas conveying pipe is communicated with the rotational flow generating structure. The rotational flow generating structure is arranged in the medicine storage cavity, air flow is guided into the medicine storage cavity to form rotational air flow, then medicine is driven to rotate, and the medicine has sufficient angular momentum. The medicine with the angular momentum has the normal momentum and also has the angular momentum, and when the medicine is in contact with a wound surface, tangential friction force can generate a drilling effect, so that the medicine can be embedded into tissue gaps more easily, rebound is reduced, anchoring stability is improved, water absorption is faster, a better blood coagulation activation effect is achieved, a firmer physical barrier is achieved, and the optimal curative effect is achieved.