1961 results about "Electrostatic adsorption" patented technology

The invention relates to a full-automatic bag feeding packaging machine, and relates to the technical field of packaging equipment, the full-automatic bag feeding packaging machine comprises a base table, a rotating disc and a driving part, the rotating disc is provided with a clamping part, and the base table is sequentially provided with a bag feeding assembly, a bag opening assembly, a material injection assembly, a heat sealing assembly and a discharging assembly around the rotating disc; the bag feeding assembly comprises a clamping piece, two vertical plates and a lifting piece located between the two vertical plates. A barrier plate is fixedly arranged on the vertical edge of the same side of the two vertical plates, and a limiting piece is arranged on the vertical edge away from the barrier plate; the clamping piece comprises a connecting piece, a cross rod and a first power piece, a fixing block is fixedly arranged on the cross rod, and a clamping suction cup and a pressing part are fixedly arranged on the fixing block; an output shaft is fixedly arranged on the first power piece, and the first power piece drives the fixing block to rotate around the output shaft through the connecting piece. When the clamping suction cups clamp the uppermost packaging bag, the pressing part can press the upper side face of the packaging bag to enable the packaging bag to be bent, and the situation that two packaging bags are clamped at the same time due to electrostatic adsorption is reduced.

The invention provides an antibacterial synergy-mineralization regulation difunctional nano material as well as a preparation method and application thereof, and belongs to the technical field of biomedical materials. The preparation method comprises the following steps: mixing a disodium hydrogen phosphate solution and a calcium chloride solution to obtain an amorphous calcium phosphate suspension; mixing the amorphous calcium phosphate suspension with a tannic acid solution to obtain an ACP-TA suspension; and finally, mixing the ACP (at) TA suspension and the hydroxypropyl trimethyl ammonium chloride chitosan solution to obtain the bifunctional nano material. A cross-linked shell is formed through the electrostatic adsorption effect of tannic acid and hydroxypropyl trimethyl ammonium chloride chitosan of the antibacterial layer, amorphous calcium phosphate is effectively wrapped, the crystallization process of amorphous calcium phosphate can be remarkably delayed, long-acting release of calcium and phosphorus ions is ensured, the antibacterial function can be effectively achieved, and the service life of the coating is prolonged. An ideal local microenvironment is provided for remineralization of tooth hard tissue, and finally biomimetic mineralization of enamel and deep mineralization plugging of dentinal tubules are achieved.

The invention relates to the technical field of papermaking, and particularly provides high-strength tipping base paper for cigarettes and a preparation process of the high-strength tipping base paper. The tipping paper base paper for the cigarettes comprises a fiber raw material; functionalizing the nano cellulose; a cellulase; a dry strength agent; a wet strength agent; and a sizing agent. Nano cellulose is functionalized and a synergistic stepped enhancement mechanism is constructed, so that the synergistic breakthrough of the high-strength raw tipping paper for cigarettes in the aspects of strength, wet strength and air permeability is realized; after the functionalized nanocellulose is subjected to carboxylation treatment, the hydrogen bond and electrostatic adsorption between the functionalized nanocellulose and the fiber are enhanced, and the bonding strength in a dry state and a wet state is remarkably improved; meanwhile, the wet strength agent is added in stages, and the adsorption sequence of the dry strength agent is optimized, so that the reinforcing agent constructs a stable three-dimensional network framework in the paper sheet, and the end breaking risk under high-speed winding is effectively reduced.

The invention discloses a high-stability hydroxysteroid dehydrogenase mutant, a co-immobilized enzyme construction method and application. According to the invention, a site-directed mutant library is constructed based on computer-aided design, and mutants with significantly improved thermal stability and greatly improved catalytic efficiency compared with wild type mutants are obtained through screening; meanwhile, a co-immobilized enzyme construction method based on electrostatic adsorption and chemical crosslinking is established, the hydroxysteroid dehydrogenase mutant and lactic dehydrogenase are co-immobilized, the co-immobilized enzyme can still keep high activity under high substrate concentration, and the conversion rate is still maintained to be 90% or above after 30 batches of co-immobilized enzyme are repeatedly used. And an important foundation is laid for industrial application of the hydroxysteroid dehydrogenase.

The invention provides a temperature control system of an electrostatic adsorption disc and an improvement method of temperature control performance. According to the system, a temperature control layer is arranged in an electrostatic adsorption disc, and the temperature control layer comprises a graphite heat absorption layer and a graphene heat conduction layer; the system further comprises a laser generator and a controller. During working, the laser generator emits heating laser to the graphite heat absorption layer, so that the graphite heat absorption layer efficiently absorbs energy to generate heat, and then the heat is quickly and uniformly conducted to the surface of the electrostatic adsorption disc through the graphene heat conduction layer with ultrahigh heat conductivity. Laser heating is used for replacing traditional resistance heating, graphene heat conduction is used for replacing traditional metal heat conduction, the method has the advantages of being high in temperature switching speed, high in control precision, good in temperature uniformity and the like, and the temperature control performance of the electrostatic adsorption disc can be remarkably improved.

The invention discloses a movable adsorption machine for waste gas treatment, and belongs to the technical field of waste gas treatment.The movable adsorption machine comprises an outer box body and brake wheels installed at the bottom of the outer box body, a gas inlet pipe is installed at the upper end of the outer box body, a filter plate is arranged below the gas inlet pipe, and a communicating pipe is arranged at the lower end of the filter plate; adsorption columns are inserted into the communicating pipes, the communicating pipes are arranged at the upper ends and the lower ends of the adsorption columns, the communicating pipes at the lower ends of the adsorption columns are connected with negative pressure generation equipment through drainage pipes, an exhaust pipe is installed at the upper end of the negative pressure generation equipment, and a power cam is arranged between the adsorption columns. According to the mobile adsorption machine for waste gas treatment, the filter plate can be cleaned in a manner of electrostatic dust adsorption and reverse blowing, the phenomenon that mesh holes in the filter plate are partially blocked by adopting a brush plate is prevented, meanwhile, harmful substances in waste gas can be adsorbed by arranging activated carbon particles, and the adsorption treatment effect on the waste gas is improved.

The invention provides an electrostatic adsorption device and semiconductor device processing equipment, and relates to the field of semiconductor device processing. In the electrostatic adsorption device, a pressure monitoring groove, an air exhaust hole and a pressure monitoring channel are additionally arranged on the first surface, making contact with the back face of the wafer, of the electrostatic chuck, the warping condition of the wafer can be monitored by monitoring the pressure change of the pressure monitoring channel, the adsorption voltage of the electrostatic chuck to the wafer is adjusted, and the problem of wafer warping can be solved.

The invention discloses a surface flaw detection device and process for carpet production, and relates to the technical field of surface flaw detection for carpet production. According to the surface flaw detection equipment and technology for carpet production, when carpet flaw detection is carried out, a carpet penetrates through the upper portion of an attaching roller, a second hydraulic cylinder is adjusted to drive a local jacking arc rod to jack up the local position of the carpet, the upper surface of the jacked-up carpet is in an unfolded state and expands towards the outer side, and meanwhile, the carpet passes through the attaching roller to be subjected to surface flaw detection. A driving motor is started, the driving motor drives all pressing pieces to press carpet wool at the two ends of the carpet unfolding position, and an electrostatic adsorption rod adsorbs the carpet wool at the position, so that the carpet wool at the two ends of the carpet position jacked by a local jacking arc rod gets close to the two ends; and the situation that the surface of the carpet cannot be clearly scanned by a scanning camera due to the existence of the carpet hair is avoided, so that the accuracy of a carpet surface flaw detection result is improved.

The utility model provides a kind of bag falling mechanism and dispensing system, bag falling mechanism includes: support shell;Driving portion, is installed on support shell;Bag falling portion, is installed on support shell, along vertical direction can slide, bag falling portion is transmission connection with driving portion, driving portion is used to drive bag falling portion to fall and eject the packing bag in packing bag holding mechanism.The utility model sets up bag falling mechanism including bag falling portion and driving portion, and sets up bag falling portion and driving portion transmission connection, so that driving portion can drive bag falling portion to fall and eject the packing bag in packing bag holding mechanism, can avoid packing bag to be electrostatically adsorbed on packing bag holding mechanism, and / or, packing bag is stuck by packing bag holding mechanism due to deformation, improve the operating stability of dispensing system.

The invention discloses a continuous mesh belt oil drying furnace, and belongs to the field of oil drying furnace devices, the continuous mesh belt oil drying furnace comprises an oil drying furnace main body, a mounting support frame is fixedly mounted on the inner side of the oil drying furnace main body, a conveying mesh belt is mounted on the inner side of the mounting support frame, and a collecting plate is fixedly mounted at the bottom end of the conveying mesh belt; the collecting plate is fixedly mounted on the inner side of the mounting supporting frame, one side of the mounting supporting frame is provided with a turning assembly used for heating dried objects more uniformly and an extrusion assembly used for keeping the conveying net belt tight, and the top end of the collecting plate is provided with a vibration assembly used for preventing electrostatic adsorption of chippings of the dried objects. Through the arrangement of the overturning assembly, when the conveying net belt drives the dried objects to move in the oil drying furnace body, the oil drying furnace body can be vibrated and overturned, the dried objects accumulated in the oil drying furnace body can move to the outer layer, the dried objects are evenly heated, the drying effect of the oil drying furnace body is improved, and therefore the product quality is improved.

The invention provides an organic molecule cytoplasm delivery carrier as well as a preparation method and application thereof, the compound for cytoplasm delivery has the characteristic of fat-soluble aggregation, and can form electrostatic adsorption with small molecule protein goods such as RNase A (13.7 KDa), Trypsin (24KDa) and Saporin (32.8 KDa), medium molecule protein goods such as HRP (40KDa) and macromolecular protein goods such as beta-Gal (430KDa), so that the compound for cytoplasm delivery can be used for preparing a lipid-soluble protein carrier. And furthermore, transmembrane transportation is formed through the strong fat solubility property, so that the protection and intracellular delivery of carried protein molecules are realized. According to the delivery mechanism, cargo molecules can quickly penetrate through cell membranes, and carried protein molecules can enter cytoplasm to exert functions without release operation. Development of the organic molecule cytoplasm delivery carrier is expected to assist potential protein therapies with low bioavailability and off-target toxicity to complete clinical transformation, which is crucial to tumor therapy, gene therapy and the like requiring precise local administration.

The invention provides an energy-saving central air conditioner, which belongs to the technical field of central air conditioners, and comprises an air conditioner body and a pipeline arranged at the lower end of the air conditioner body, and further comprises an air inlet adjusting assembly, an induction dust collecting assembly and a cleaning and collecting assembly, air is purified through electrostatic adsorption of the adsorption plate, dust accumulation and local blockage conditions are accurately detected through cooperation of an elastic part, a magnetic coating and a Hall sensor, the air inlet quality of the air conditioner and system operation are prevented from being affected by feedback signals, tiny impurities can be effectively captured by the adsorption plate, and the air cleanliness is improved; a wind power and knocking combined mode is adopted for dust removal, a filter screen plate and an adsorption plate are cleaned in all directions, and inlet air cleanliness is guaranteed; when the ash discharging port is not used for removing ash, the magnetic blocking plate blocks the ash discharging port to prevent leakage, and the pressing rod limits the position of the connecting plate to ensure the monitoring precision of the sensing rod, reduce part shaking, prevent dust from falling off in advance and ensure the adsorption effect; the baffle is connected with related parts to control the opening degree of the pipeline, dust is prevented from entering the wall during dust removal, and dust collection is guided.

The invention provides a roasting workshop environment-friendly solid waste pollution dust collection device and method, and relates to the technical field of solid waste pollution dust collection, the roasting workshop environment-friendly solid waste pollution dust collection device comprises a shell, the shell is internally provided with a collection mechanism, the collection mechanism comprises an outer cylinder, the outer cylinder is fixedly connected with the shell, the inner surface of the outer cylinder is fixedly connected with a protection shell, and the protection shell is fixedly connected with the shell. The lower surface of the outer cylinder is fixedly connected with an inner cylinder, the lower surface of the outer cylinder is rotatably connected with a rotating cylinder through a bearing, and the surface of the rotating cylinder is fixedly connected with a filter screen. And the electrostatic adsorption is responsible for capturing residual small particles and ensuring that exhausted gas is cleaner, and for solid waste pollution dust collection, the concentration of inhalable particles in a workshop can be greatly reduced through efficient filtration, and more comprehensive protection is provided for the indoor environment.

The invention provides a hybrid-driven MEMS device and a preparation method thereof, and the method comprises the steps: forming a first actuating structure in a first substrate, forming a piezoelectric composite film layer on the first actuating structure, applying voltages with opposite electrical properties to a first electrode layer and a second electrode layer, enabling a piezoelectric layer to deform under the effect of an inverse piezoelectric effect, and enabling the piezoelectric composite film layer to form a piezoelectric composite film layer; the movable end of the first actuating structure is driven to move; a second cavity is formed in the second substrate, a third electrode layer is formed in the second cavity, voltage which is the same as or opposite to that of the second electrode layer is applied to the third electrode layer, and the third electrode layer and the second electrode layer serve as electrodes for electrostatic driving. According to the MEMS device, the first actuating structure and the second actuating structure are arranged, so that the deformation deflection of the movable end of the first actuating structure is further increased on the basis of displacement generated by piezoelectric driving, the hybrid-driven MEMS device is formed, the defects of independent driving of piezoelectric driving and electrostatic driving are overcome, and the MEMS device can achieve larger displacement under the same voltage during accurate deflection.

This invention relates to a method for preparing a p-aminobenzenesulfonic acid blended nanofiltration membrane and its application. The invention aims to address the technical problem that existing polymer thin films struggle to simultaneously increase permeate flux while improving retention rate. This invention provides a nanofiltration membrane with high efficiency in separating cobalt and lithium ions and significantly enhanced permeate flux. It achieves this by doping p-aminobenzenesulfonic acid during the preparation of traditional TFC nanofiltration membranes, efficiently introducing sulfonic acid groups to promote the formation of an ordered nanochannel structure in the polyamide network, thereby increasing water flux. Simultaneously, the negative charge carried by the sulfonic acid groups enhances the overall electronegativity of the membrane, making it more effective against Co ions. 2+ The electrostatic adsorption capacity is significantly higher than that of Li + This enables efficient separation of cobalt and lithium ions. The nanofiltration membrane material provided by this invention can be widely used in the resource-based treatment of acid leaching wastewater from lithium cobalt oxide batteries, achieving efficient separation and recovery of cobalt and lithium, and improving economic benefits and resource utilization.

The invention discloses a protruding conductive microsphere and a pretreatment method thereof. The pretreatment method specifically comprises the steps of roughening treatment, protruding and interface activity treatment, sensitization treatment, activating treatment and chemical plating. In the protruding and interfacial activity treatment, by adding an interfacial agent, the electronegativity of the surfaces of the microspheres is enhanced, electrostatic adsorption with positively charged nickel nanoparticles is generated, and meanwhile, agglomeration of the nickel nanoparticles on the surfaces of the polymer microspheres is effectively prevented through the steric hindrance effect; therefore, a nickel nanoparticle bulge structure which is high in density, uniform in distribution and firm in combination is formed on the surface of the polymer microsphere. The method effectively solves the problems that a traditional conductive microsphere coating is prone to cracking and falling off, poor in dispersity and the like, the prepared protruding conductive microspheres have the outstanding advantages of being high in coating binding force, excellent in conductivity, good in dispersity, not prone to agglomeration and the like, the technological process is simple, mass production is easily expanded, and the method is suitable for large-scale production. The anisotropic conductive adhesive film has a wide commercial application prospect in the field of electronic packaging such as anisotropic conductive adhesive films.

The invention discloses a high-activity injectable self-healing temperature-sensitive hydrogel dressing and a preparation method and application thereof, the high-activity injectable self-healing temperature-sensitive hydrogel dressing is obtained by forming a temperature-sensitive hydrogel through a two-dimensional nano material MXene aqueous solution and F127 under the hydrogen-bond interaction, combining an M2 macrophage source exosome on MXene under the electrostatic adsorption action, and wrapping the MXene through a network structure of the hydrogel. The preparation method is simple, an obtained sample is free of organic solution residues, reaction conditions are mild, operation is convenient, the raw material cost is low, the hydrogel dressing has temperature-sensitive, injectable and self-healing performance, the hydrogel dressing has temperature-sensitive and injectable performance, is sol at normal temperature, forms gel after making contact with skin and is convenient to smear and use on wounds, and experimental results prove that the hydrogel dressing has good application prospects. The hydrogel has good biocompatibility and relatively strong antibacterial performance, and can effectively play anti-inflammatory and vascular regeneration promoting roles in diabetic wounds and promote rapid repair of the diabetic wounds.

The invention belongs to the technical field of miniature wall-climbing robots, and particularly relates to a miniature double-foot wall-climbing robot based on electrostatic adsorption, which comprises a bracket, two groups of symmetrically arranged driving devices, two actuating legs and two groups of electrostatic chucks, the driving devices are respectively arranged on two sides of the bracket, the output ends of the driving devices are connected with the actuating legs, and the electrostatic chucks are arranged at the lower ends of the actuating legs. The two sets of driving devices drive the actuating legs to drive the electrostatic chucks to alternately swing through alternate actuation, and the two feet alternately execute adsorption, swing and desorption actions in cooperation with alternate adsorption and desorption of the electrostatic chucks, so that the robot continuously and stably crawl on the wall face. A bionic gait mode is formed through alternate adsorption, desorption and swinging of the left and right feet, continuous adsorption of the suction cups on at least one side at any moment is ensured, instability caused by simultaneous desorption of the two feet is avoided, stable adsorption and continuous and efficient crawling on multiple types of wall surfaces are achieved, the structure is compact, and operation is convenient. The adaptability and the stability of the robot in a narrow space and a complex wall surface environment are improved.

The invention discloses an unpowered air purification device based on electrostatic adsorption and negative ion effects, and relates to the technical field of air purification, the unpowered air purification device comprises a ventilation pipeline, an electrostatic adsorption module, a particle capture net, a negative ion release module and the like, a wind scooper guides airflow to enter the electrostatic adsorption module, and a friction ball rubs with an electrode plate to enable the electrode plate to be electrified; particulate matters in the air are adsorbed, falling particulate matters are collected by a liquid collecting box, residual particulate matters are further intercepted by a particulate capturing net, the elastic design is convenient for shaking off and cleaning, and the negative ion release module accelerates the generation of negative ions and purifies the air by utilizing the solar thermal conversion and piezoelectric effect. Efficient air purification is achieved through a multi-stage purification structure, the functions of humidity adjustment, intelligent reminding and the like are achieved, the structure is simple, energy conservation and environment protection are achieved, the device can adapt to various scenes, and an innovative scheme is provided for solving the air pollution problem.

According to the high-temperature-resistant nitrogen-fixing bacteria microcapsule fertilizer and the preparation method thereof, aiming at the problems of thallus inactivation and nutrient loss in a high-temperature environment, a sodium alginate-chitosan double-layer embedding technology is combined with magnetic nanoparticle modification, and a stable double-layer structure is formed by optimizing the ratio of an embedding material, so that the high-temperature-resistant nitrogen-fixing bacteria microcapsule fertilizer is prepared. The survival rate and activity of the nitrogen-fixing bacteria at high temperature are remarkably improved, and meanwhile, the functions of intelligent nutrient release and magnetic recovery are achieved. The fertilizer is prepared from composite microcapsules, amino acid, humic acid and other raw materials according to a specific ratio through magnetic field orientation treatment, multi-stage mixing, atomization granulation and magnetic field screening processes, the particle size is controlled to be 0.5-3.35 mm, and the shelf life is prolonged to 12 months. The method has the technical effects that trehalose-glycerol / sorbitol synergistically forms a glassy protective film to maintain the stability of thalli, gamma-aminobutyric acid activates nitrogenase gene expression, magnetic nanoparticles construct a photosynthetic symbiotic system to optimize rhizosphere oxygen supply, and silanized FeO nanoparticles fix heavy metal ions through electrostatic adsorption, so that the heavy metal ions in the thalli are effectively adsorbed, and the heavy metal ions in the thalli are effectively adsorbed. And the humic acid buffers the pH fluctuation of the soil, so that the nitrogen fixation efficiency is finally improved by 30-50%, and the crop yield is increased by 15-25%.

The invention belongs to the field of functional composite materials, and particularly relates to low-viscosity and high-dispersity aluminum oxide slurry and a preparation method thereof.The low-viscosity and high-dispersity aluminum oxide slurry is prepared from a newly-designed phosphono-carboxyl block copolymer and biquaternary ammonium salt polyether silane as composite modifiers; and efficient anchoring and stable dispersion of the surfaces of alumina particles are realized through the synergistic effect of molecular structures. The phosphono-carboxyl block copolymer is prepared through controllable polymerization and deprotection reaction, and strong chemical bonding is formed between a phosphono group and the surface of aluminum oxide; the biquaternary ammonium salt polyether silane is subjected to click chemical synthesis, and electrostatic adsorption of quaternary ammonium salt and the steric hindrance effect of a polyether chain are combined. When the slurry is prepared, the two modifiers are sequentially added into water, the aluminum oxide powder is added after the pH value is adjusted, finally, the isobutylene maleic anhydride copolymer and the defoaming agent are introduced, and the slurry is obtained through vacuum defoaming and filtering. The slurry prepared by the method has the characteristics of high solid content, low viscosity and good dispersion stability.

The invention relates to the technical field of short fiber rate detection, in particular to anti-interference cotton short fiber rate detection equipment and a detection method thereof.The anti-interference cotton short fiber rate detection equipment comprises a workbench and sample cotton wool placed on the workbench, and further comprises a material distributing assembly which comprises an upper material distributing plate movably installed above the workbench, and a lower material distributing plate is installed on the workbench in a sliding mode; and the detection assembly comprises a detection frame movably installed above the workbench, a plurality of first electrostatic rods are fixedly installed on the bottom wall of the detection frame, a plurality of second electrostatic rods are slidably installed on the bottom wall of the detection frame, and the first electrostatic rods and the second electrostatic rods are used for sucking the sample cotton velvet on the lower material distribution plate. Scattered single cotton velvets are picked up in an electrostatic adsorption mode, the two electrostatic rods are used for straightening the cotton velvets, unqualified cotton velvets can only be adsorbed by one of the electrostatic rods, then the two electrostatic rods are disconnected to enable the unqualified cotton velvets to lose the adsorption effect and fall into the collecting tank, the cotton velvets are prevented from being pulled broken, and the detection precision is improved.

The invention relates to the technical field of soil treatment, and particularly discloses a soil micro-plastic electrostatic separation device and method.The soil micro-plastic electrostatic separation device comprises a sample pool, an electrostatic adsorption mechanism is arranged on one side of the sample pool, and the electrostatic adsorption mechanism is connected with an electrostatic discharge generator through a wire; the electrostatic adsorption mechanism comprises an adsorption plate and a connecting handle; the bottom box and the heightening frame bodies are made of wood, the height of the sample pool can be adjusted by installing the heightening frame bodies in an assembling mode, a nylon coating is arranged on the outer side of an adsorption plate and used for adsorbing micro-plastics and eradicating the risk of high-voltage electric leakage, and the height of the adsorption plate can be adjusted through an arranged supporting assembly; the particle size range of the micro-plastic covered by electrostatic adsorption is wide, compared with a traditional method, the recovery rate is remarkably improved, and the original form of the micro-plastic and the natural structure of soil are protected through normal-temperature physical separation and no reagent addition.

The present invention belongs to the technical field of cancer immunotherapy, and particularly relates to a cholesterol-modified cationic liposome tumor vaccine, a preparation method therefor, and use thereof. In order to solve the problems of poor targeting and strong side effects of TLR agonists in anti-tumor treatment, the present invention provides a cationic liposome prepared from a cholesterol-modified 1V209 molecule, a cationic lipid component, cholesterol, and DSPE-PEG2000, and then the cationic liposome and ovalbumin 5 form the tumor vaccine by electrostatic adsorption. Animal experiments show that the vaccine can induce antigen-specific CD8+ T cells, activate lymphocytes, and generate stronger antigen cross-presentation, more memory T cells, antibodies, and cytokines. Prophylactic inoculation with the vaccine can significantly delay the progression of mouse melanoma and lymphoma and prolong the survival of mice. The combination use of the vaccine and a PD-1 checkpoint inhibitor can further enhance the anti-tumor effect. Therefore, the vaccine is a promising cancer vaccine.

The invention relates to the technical field of functional polymer materials and environmental pollution control, in particular to hydrogen bond self-assembled bio-based aerogel as well as a preparation method and application thereof. Quaternized chitosan and tannic acid are self-assembled in a water phase through hydrogen bonds and electrostatic interaction to form a three-dimensional network structure, no cross-linking agent or organic solvent is added, the specific surface area of the bio-based aerogel BET is 2-10 m / g, and through the strong electrostatic adsorption effect between cationic groups in the quaternized chitosan and anionic dye molecules (such as Congo red), the cationic groups in the quaternized chitosan and the anionic dye molecules (such as Congo red) are separated from the anionic dye molecules. The material shows excellent dye removal efficiency and adsorption capacity under the conditions of normal temperature and normal pressure and hydrogen bonds provided by rich phenolic hydroxyl groups in tannic acid molecules and a pi-pi accumulation effect, the aerogel can quickly adsorb anionic dye, the adsorption process is efficient, the selectivity is high, the structure is stable, and the aerogel is degradable and can be applied to the field of dye adsorption. And the method has good reproducibility and repeated use stability, and has wide practical application and popularization prospects.

The invention provides an intelligent dust remover control method and system based on electrostatic adsorption. The method comprises the following steps: acquiring dust concentration, temperature and humidity and particulate matter impedance spectrum data of a working environment, screening key measurement points, applying an alternating electric field to obtain an impedance phase difference map, performing frequency spectrum consistency verification on the impedance phase difference map and the impedance spectrum data after temperature and humidity compensation, and calculating conductivity discrimination parameters of dust with different particle sizes; deploying a parallel metal plate adsorption array containing an insulating dielectric layer, and adjusting the plate spacing to change the electric field intensity; generating a resistivity space distribution thermodynamic diagram based on the conductivity discrimination parameters, and cooperating with drive board spacing adjustment and voltage output according to the resistance gradient change of the insulation and conductive dust gathering area and the migration path; and a measurement point location screening strategy is updated in combination with the spacing adjustment amplitude and the voltage change rate, and the impedance spectrum precision is optimized. Precise identification of insulation and conductivity multi-mode dust and dynamic electric field self-adaptive adsorption are achieved, the dust removal efficiency of a complex environment is improved, and energy consumption is reduced.

The invention discloses a full-automatic condensation water collection system and method in desert, and the system comprises an environment pretreatment layer: a bionic honeycomb filter screen is combined with an electrostatic adsorption technology to filter sand and dust, a spiral pre-cooling channel is used for pre-cooling, and back flushing cleaning is automatically started every 2 hours to maintain the performance of the filter screen; in the energy supply layer, the optimal combination of photovoltaic-wind energy-heat energy three-mode power generation is dynamically calculated through an AI algorithm; photovoltaic power supply is preferentially used in the daytime, and residual energy is stored in the nitrate phase change energy storage material; wind power generation is started when the wind speed is high at night, and phase-change energy storage is used for complementing when the wind speed is insufficient; condensing the core layer: when the environment humidity is relatively high, the modified MOF material preferentially adsorbs water vapor, and switching to a condensation mode every 4 hours; the thermoelectric refrigeration sheet is started to trigger phase change condensation; the intelligent control layer is used for collecting data through a sensor, predicting future environmental parameters through an LSTM neural network and adjusting condensation power in advance; and fault early warning is carried out by combining vibration analysis and temperature gradient detection.

The present invention relates to the field of fiber materials, and discloses a UHMWPE composite fiber with a functional coating and a preparation method thereof. The composite fiber comprises a UHMWPE fiber bundle with a three-dimensional woven structure, and a phenolamine co-deposition modification layer, an inorganic functional nanoparticle deposition layer, and a silk fibroin / polylysine cross-linked porous layer sequentially coated on the surface of the fiber bundle. The present invention sequentially deposits phenolamine and NPs on the surface of the UHMWPE fiber bundle with a three-dimensional woven structure, then constructs a silk fibroin coating with a microporous structure on the surface of the inorganic functional nanoparticle deposition layer to coat the NPs to improve the stability of the NPs, and then self-assembles polylysine with an antibacterial effect with the silk fibroin through electrostatic adsorption, and finally forms a silk fibroin / polylysine cross-linked porous layer after cross-linking. The UHMWPE composite fiber of the present invention has excellent mechanical properties, stability, antibacterial properties and bone regeneration promoting properties.

The invention belongs to the technical field of stamping machining feeding, and particularly relates to automatic feeding equipment of a continuous stamping die, which comprises an automatic feeding machine, the automatic feeding machine is arranged on one side of stamping die equipment and is used for automatically feeding the stamping die equipment, a feeding cavity is formed in the automatic feeding machine, paired feeding rollers are arranged in the feeding cavity, and the feeding rollers are connected with the automatic feeding machine. The feeding roller is connected with power equipment on the inner wall of the feeding cavity; the compacting plates on the upper side and the lower side are controlled to be close to the surface of the metal coiled material, meanwhile, airflow containing positive and negative ions is released, the electrostatic adsorption effect between metal chippings and the metal coiled material is reduced, and the metal chippings are promoted to be separated from the surface of the metal coiled material along with the flowing airflow and enter the recycling cavity along with the airflow; the defect that metal scraps on the surface of the metal coiled material are difficult to clean normally due to the electrostatic interaction is effectively overcome, purification treatment on the metal scraps attached to the surface of the metal coiled material is achieved, and the surface quality of the metal coiled material is improved.

The present invention belongs to the technical field of oils for hydraulic supports and provides a biodegradable natural plant-extracted emulsified oil for hydraulic supports and a preparation method thereof. First, through multi-step chemical modification of palm oil, including epoxidation, boronation, phosphating, and block polymerization, the epoxidation reaction introduces epoxy groups, increasing the reactivity of the oil; the boronation and phosphating reactions further enhance the polarity of the oil and its ability to form a lubricating film; and through block polymerization with caprolactone, the stability and wear resistance of the lubricating film are enhanced. Second, through carboxymethylation of chitosan, the carboxyl groups in the carboxymethyl chitosan react with oxides on the metal surface to form a chemical passivation protective film; and the sulfonic acid groups in the sodium lignosulfonate bind to the metal surface through electrostatic adsorption, further forming a protective layer. The synergistic effect of the two forms a multi-layer dense protective film on the metal surface, significantly improving the anti-corrosion performance of the emulsified oil.