1505 results about "Adsorption effect" patented technology

The invention relates to the technical field of tail gas treatment, and provides a tail gas denitration reactor for hydrogenation catalyst production, the tail gas denitration reactor comprises a treatment box and an adsorption shell mounted in the treatment box, one end of the adsorption shell is connected with a gas inlet pipe, the other end of the gas inlet pipe is connected with a gas outlet pipe, and two ends of the adsorption shell are provided with a plurality of connecting grooves; the upper end of the adsorption shell is connected with a first connecting frame and a second connecting frame. The two ends of the first gas filtering bin and the two ends of the second gas filtering bin are meshed and installed on the gear shaft, so that the gear shaft drives the first gas filtering bin and the second gas filtering bin to rotate, the first gas filtering bin and the second gas filtering bin alternately conduct tail gas adsorption work, and in the standby replacement process, the filter elements in the first gas filtering bin and the second gas filtering bin are cleaned; the device can adsorb tail gas in a long-term and high-quality mode, the problems that the filter element is blocked and the adsorption effect is reduced due to long-time use of the filter element are solved, and environment-friendly emission of the tail gas can be achieved in the hydrogenation catalyst production and manufacturing process.

The invention belongs to the technical field of cutting machine tools, and particularly relates to equipment for laser cutting, in particular to laser cutting equipment and a cutting process. The laser cutting equipment comprises a working platform and a laser cutting device, a driving mechanism; a bearing tray; and a laser cutting mechanism. The first negative pressure adsorption pipeline is arranged at the bottom of the box body, during laser cutting, smoke dust caused by cutting is directly sucked from the bottom of a material plate, the amount of the smoke dust upwelling to a laser light path is reduced, the total amount of the smoke dust attached to a lens is reduced, and the lens is prevented from being overheated; only the air inlet hole and the air outlet hole corresponding to the to-be-cut area are exposed, so that the negative pressure adsorption force acts on the real-time machining area in a concentrated mode, the negative pressure suction force is concentrated to the cutting area, the smoke dust adsorption effect is improved, the amount of smoke dust upwelling to a laser light path is further reduced, and the lens is prevented from being overheated.

The invention provides high-filling silver powder and a preparation method thereof, and belongs to the field of metal powder.The preparation method comprises the steps that a nano-silver solution is prepared, a dispersing agent and a first reducing agent are mixed to obtain a mixed solution, the nano-silver solution and the mixed solution are mixed in a constant-temperature stirring state to obtain a base solution, a second reducing agent solution and a silver nitrate solution are prepared respectively, and the high-filling silver powder is prepared. And under the constant-temperature stirring state, the second reducing agent solution and the silver nitrate solution are synchronously added into the base solution, a silver powder solution is obtained through reaction, the silver powder solution is subjected to washing, solid-liquid separation, drying and depolymerization shaping treatment, and the high-filling silver powder is obtained. Controllable preparation of the large-size sphericity silver powder is achieved by controlling the particle size and the adding amount of the nano-silver, regulating and controlling heterogeneous nucleation and growth sites of silver ions and inhibiting formation of multistage dendritic crystals, surface charges and steric hindrance effects of silver particles are optimized through the surface adsorption effect of the dispersing agent, the agglomeration phenomenon of the silver powder in the growth process is reduced, and the silver powder is prepared. And meanwhile, the silver powder is endowed with excellent flowability.

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 relates to the technical field of soil improvement, and discloses a soil improvement repairing agent and a preparation method thereof. The preparation method comprises the following steps: adding biochar, modified eugenol, modified benzothiazolyl pyridine, bacillus licheniformis and diatomite into a mixer, mixing and stirring, extruding and granulating in a granulator, and drying to obtain the soil improvement repairing agent. Eugenol can destroy a membrane structure and denature protein, so that a bacteriostatic effect is achieved, and a healthy soil microenvironment is provided for crops; the quaternary ammonium salt can destroy the membrane structure of pathogenic microorganisms, plays a role in killing the microorganisms, can improve the antibacterial effect of the remediation agent, and prevents and treats spread diseases of soil; nitrogen atoms and sulfur atoms in benzothiazolyl pyridine molecules can coordinate with free heavy metal ions in the soil, the heavy metal adsorption effect of the remediation agent is improved, the production value of the soil is gradually restored, meanwhile, boric acid capable of being absorbed by plants can be released through hydrolysis of pinacol ester, and the fertility of the soil is improved.

The invention provides a positive and negative pressure pulse electric arc welding and additive manufacturing method which comprises the following steps: inducing electric arc plasma to generate a negative pressure electric arc with an anti-gravity adsorption effect through a current-magnetic field-hollow tungsten electrode-gas collaborative design, and forming a time sequence coupling process with a positive pressure electric arc. The core of the method is that a magnetic control positive pressure and negative pressure electric arc welding external field is cooperated with a molten pool reconstruction forming mechanism, that is, the dynamic and thermodynamic states of a molten pool are accurately balanced by dynamically switching the electric arc pressure direction and regulating and controlling the action proportion and alternating frequency of negative pressure and positive pressure electric arcs. A self-adaptive magnetic field threshold model based on current intensity and a gas mode is combined with variable polarity power supply parameters and gas flow rate cooperative control, and the problems of thin plate welding fusion penetration and thin-wall additive molten pool instability are effectively solved. According to the method, a welding wire, powder or laser composite manufacturing mode can be integrated, the forming precision and performance of a complex structure are remarkably improved, and an innovative technical support is provided for high-quality and high-efficiency welding and additive manufacturing.

The application discloses an adsorbent and a preparation method and application thereof, and belongs to the technical field of environmental adsorption materials. The adsorbent comprises biogenic diatom and halloysite nanoparticles, and the biogenic diatom is in-situ loaded with the halloysite nanoparticles. The adsorbent is used for adsorbing tetracycline antibiotics. The biogenic diatom in the adsorbent has biological capture and adsorption effects on nanoclay minerals, can uniformly load the halloysite nanoparticles on surface organic active sites, and thus can in-situ load a halloysite nanoparticle film on the surface of the diatom. The adsorbent not only well retains the macroporous structure of the diatom, but also constructs mesoporous and microporous hierarchical pore structures, can effectively improve the adsorption capacity of the adsorbent on tetracycline antibiotics, and has a wide application prospect in the fields of adsorption and pollution treatment of tetracycline antibiotics.

The invention discloses a method for rapidly adsorbing heavy metal ions by a sulfydryl-functionalized non-woven fabric, relates to preparation of the sulfydryl-functionalized non-woven fabric and heavy metal adsorption application, and belongs to the technical field of functional materials and environmental protection. A catechol derivative, an oxidizing agent, a sulfur-containing coupling agent and the like are prepared into a reaction solution according to a certain proportion, then the non-woven fabric is immersed into the reaction solution for surface modification, the sulfydryl-functionalized non-woven fabric is prepared through reduction, and finally the sulfydryl-functionalized non-woven fabric is applied to adsorption and removal of heavy metal ions in water. The method has the advantages of being mild in condition, high in reaction speed and short in preparation period, the operation process is simple, universality is achieved, and the prepared functional material has the advantages of being good in heavy metal ion adsorption effect, good in functional modification layer stability and the like.

The invention relates to the technical field of carbon dioxide capture, and discloses a carbon dioxide absorbent and a preparation method thereof, and the carbon dioxide absorbent comprises the following components by weight: 10-15 parts of diethylenetriamine and 2-3 parts of modified mesoporous silica. According to the invention, through a synergistic adsorption mechanism of diethylenetriamine and modified mesoporous silica, a relatively good CO2 capture capability is realized; the cage-shaped structure of the modified mesoporous silica has a high specific surface area and ordered pore channels, and provides sufficient loading sites and diffusion channels for diethylenetriamine; meanwhile, an amino auxiliary (containing a plurality of primary amine and secondary amine groups) introduced in the modification process and a polyamine structure of diethylenetriamine form an amino cluster, and a better adsorption effect is achieved.

The invention discloses a self-cleaning type hydrogen purification adsorption tower, and belongs to the technical field of self-cleaning type hydrogen purification adsorption towers, the self-cleaning type hydrogen purification adsorption tower comprises a vertically arranged tower body, a gas inlet pipe is mounted at the lower part of the tower body, a gas outlet pipe is mounted at the upper part of the tower body, and a fixed seat is fixedly mounted on the inner wall of the upper part of the tower body; a lifting plate is installed on the inner side of the fixing base in a lifting mode, a rotating base is elastically and rotationally installed on the inner wall of the upper portion of the tower body, an elastic rubber part is fixedly connected between the lifting plate and the rotating base, a flushing air pipe is fixedly installed on the upper portion of the tower body, and a motor is fixedly installed on the top of the tower body; and an adjusting assembly for controlling the lifting plate to lift is connected between the motor and the lifting plate. The self-cleaning hydrogen purification adsorption tower can further perform auxiliary pressurization in the adsorption process so as to improve the adsorption effect, and can realize efficient backflushing and cleaning after the adsorption is completed, so that the regeneration adsorption effect of an adsorbent is ensured.

The embodiment of the invention provides a flexible circuit board assembly, a rotating shaft assembly and foldable electronic equipment, and belongs to the technical field of electronic equipment, a flexible circuit board is arranged on a rotating shaft in a penetrating mode through a through hole in the rotating shaft, a first adsorption part is connected with a second adsorption part in the through hole in an adsorption mode, and a clamping part is matched with the rotating shaft in a clamping mode. High limiting fastness of the flexible circuit board is achieved, the problem that the flexible circuit board falls off in scenes such as falling is solved, and the risk of breakage of the rotating shaft is reduced. The first adsorption part and the second adsorption part are located on the same side of the flexible circuit board, so that the thickness space occupied by the adsorption parts in the rotating shaft is reduced, the strength of the rotating shaft is improved, and the breakage risk of the rotating shaft in scenes such as falling is reduced under the condition of high adsorption effect. Moreover, the clamping part is detachably connected with the rotating shaft in a clamping manner, and the first adsorption part and the second adsorption part can be separated under the action of external force, so that the flexible circuit can be conveniently detached from the rotating shaft, and the detachment in the scenes of repair and the like is facilitated.

The invention discloses a polydopamine modified metatitanic acid type lithium ion sieve and a preparation method thereof, and belongs to the technical field of lithium ion sieves, the preparation method comprises the following steps: grinding and uniformly mixing lithium acetate dihydrate and titanium dioxide in an organic solvent, and calcining the mixture at 650-800 DEG C for 3-5 hours to prepare a Li2TiO3 precursor; the preparation method comprises the following steps: putting dopamine hydrochloride, aminated crown ether and a Li2TiO3 precursor into a tris (hydroxymethyl) aminomethane solution with the pH value of 8-9, carrying out a constant-temperature oscillation reaction, carrying out suction filtration, and drying at low temperature, so as to obtain the polydopamine modified metatitanic acid type lithium ion sieve. According to the lithium ion sieve, the adsorption effect on lithium ions can be improved, the lithium extraction efficiency is improved, and the problem of low adsorption capacity of a lithium ion sieve in the prior art is solved.

The utility model relates to the technical field of laser cutting, in particular to a pine board laser cutting smoke dust adsorption device which comprises a cutting platform, a smoke suction assembly and a smoke guide cover, a moving mechanism is arranged on the cutting platform, and a laser cutting device is arranged on the moving mechanism. The smoke suction assembly is arranged on the moving mechanism, synchronously moves along with the moving mechanism and is used for adsorbing smoke dust generated during laser cutting, the smoke suction assembly comprises an adsorption mechanism and a smoke suction nozzle connected with the output end of the adsorption mechanism, and the smoke guide cover is arranged on the periphery of the laser cutting equipment. Smoke dust generated during laser cutting is guided upwards through the smoke guide cover and then adsorbed upwards, a specific flowing path is provided for the smoke dust, the adsorption effect is optimized, the smoke suction assembly is prevented from getting close to laser cutting equipment, and the smoke suction assembly is prevented from getting close to the laser cutting equipment. The influence of negative pressure generated when the smoke suction assembly sucks smoke on airflow near the cutting head is reduced.

The invention provides a functional nanofiber material as well as a preparation method and application thereof, and the preparation method comprises the following steps: (1) adding raw materials into water to form an electrostatic spinning solution; performing electrostatic spinning to obtain a nanofiber membrane; (2) cross-linking the nanofiber membrane in an organic solvent under the catalysis of acid to obtain a cross-linked nanofiber membrane; and (3) carrying out grafting reaction on the cross-linked nanofiber membrane in a polyamine cross-linking agent, and then reacting with a sulfur-containing reagent to obtain the functional nanofiber material, the functionalized nanofiber material prepared by the preparation method disclosed by the invention combines good biocompatibility of polyvinyl alcohol, high specific surface area and high porosity of nanofiber and a synergistic adsorption effect of the polyamine cross-linking agent and cysteine, and has the advantages of large adsorption capacity, high adsorption rate, strong selectivity, good biocompatibility, stable structure and the like; the heavy metal ions in the plasma can be efficiently and safely removed, and a plurality of defects of the existing adsorption material are overcome.

The invention discloses a preparation method and application of a metal sulfide adsorbent for adsorbing iodine and methyl iodide. The preparation method comprises the following steps: uniformly mixing an antimony source, a sulfur source, a deep eutectic solvent, polyamine and water to obtain a mixed solution; and transferring the mixed solution into a high-pressure reaction kettle, sealing, carrying out hydrothermal reaction at 110-220 DEG C for 2-9 days, cooling to room temperature to separate out crystals, and filtering, washing and drying to obtain the metal sulfide adsorbent. The invention also discloses application of the metal sulfide adsorbent in adsorption of iodine and methyl iodide. The metal sulfide adsorbent disclosed by the invention has a good adsorption effect on iodine and methyl iodide, and compared with an ethylenediamine-oriented metal sulfide adsorbent, the diethylenetriamine-oriented metal sulfide adsorbent has higher adsorption capacity on iodine and methyl iodide.

The invention relates to the technical field of oilfield exploitation, and discloses a polysaccharide-containing solid-free drilling fluid and a preparation method and application thereof.The drilling fluid is formed by mixing a plugging anti-collapse agent, a polysaccharide fluid loss agent, a tackifier and the like as raw materials, the functional monomer is prepared by carrying out emulsion cross-linking polymerization under the action of an initiator, the functional monomer structure contains a large number of quaternary ammonium cations and sulfonic acid groups and also contains a biphenyl structure, and the quaternary ammonium cations can generate a strong adsorption effect with shale and silt, so that the plugging effect and temperature resistance of the drilling fluid are improved; polysaccharide is adopted as the filtrate reducer of the drilling fluid, high-viscosity colloid can be formed after the polysaccharide is dissolved in water, stratum pores are effectively blocked, filtrate invasion is reduced, the filter loss is reduced, and the polysaccharide filtrate reducer can improve the viscosity of the drilling fluid, enhance the rock-carrying capacity of the drilling fluid and improve the cleaning effect of a well hole.

The invention discloses disinfection and filtration integrated equipment for mineral water production, and relates to the technical field of water treatment. The device comprises a box body assembly and a disinfection, adsorption and water filtration assembly, the box body assembly comprises a box body part, a floating part arranged in the box body part in a sliding mode and a filter screen arranged in the box body part in an inserted and matched mode, and the disinfection, adsorption and water filtration assembly comprises a treatment part installed in the box body part, two blocking parts arranged in the box body part in a sliding mode and a rotating part arranged in the treatment part in a rotating mode. The technical problems that a disinfectant and water are not fully mixed, the disinfectant is easy to deposit, the disinfection effect is unstable, and especially when the water flow speed changes, the effective contact time of the disinfectant and the water is short are solved, the floating piece automatically drives the blocking plate to move along with the water level rising and falling, the opening and closing state of the water flow channel is controlled, and the disinfection effect is stable. The linkage of the L-shaped rack and the rotating piece is combined, so that the contact time of the disinfectant and the water body is obviously prolonged, and the disinfection and adsorption effects are enhanced.

The invention discloses carboxyl-rich chitosan gel and preparation thereof and separation and enrichment of radioactive element thorium, and the method comprises the following steps: mixing and dissolving chitosan, water and glacial acetic acid, adding 1, 2, 3, 4-butanetetracarboxylic acid, and uniformly mixing; heating at 80 DEG C to completely volatilize moisture, and heating to 100 DEG C for reaction to obtain a solid product; taking out a solid product, soaking the solid product in deionized water, and performing freeze drying treatment to obtain the carboxyl-rich chitosan gel, namely the CCS-BTCA xerogel. The problems that an existing adsorbent is poor in stability and low in adsorption activity are solved, the prepared material has the high adsorption rate, the optimal adsorption effect can be achieved at the temperature of 298 K and the pH value of 3, the adsorption capacity is 228.9 mg / g, and the maximum theoretical adsorption capacity can reach 279.4 mg / g.

The invention relates to the technical field of hydrogen fluoride adsorption, and particularly discloses a hydrogen fluoride adsorption tower which comprises a tower body, a gas inlet pipeline arranged on the lower section of the tower body, a gas outlet pipeline arranged on the upper section of the tower body, a plurality of layers of adsorption beds arranged in the tower body in the vertical direction, and adsorbents arranged on the adsorption beds. The material changing mechanism comprises a waste material pipe rotationally arranged in the tower body, a driving part I for driving the waste material pipe to rotate, a plurality of inverted conical funnels respectively arranged below the plurality of layers of adsorption beds and a plurality of trapping boxes arranged on the waste material pipe, and the waste material pipe penetrates through all the adsorption beds; a plurality of spiral scrapers for driving the adsorbent to radially flow are arranged on the waste pipe, the upper end of the inverted-cone-shaped funnel exceeds the outer edge of the adsorption bed, an annular air jet hole is formed in an outlet in the bottom of the inverted-cone-shaped funnel, and the trapping boxes surround the waste pipe in an annular array; the device has the beneficial effects that saturated aluminum oxide is separated in time, so that the adsorption effect of the aluminum oxide is improved.

The invention belongs to the technical field of metal powder preparation, and particularly relates to a preparation method of copper powder. According to the method, the pH value of a reduction reaction system is precisely regulated and controlled to be within the range of 5.38-9.38, the dispersing agent is reasonably added in stages before and after pH regulation, and the copper powder with the small average particle size and the low variable coefficient is successfully prepared. From the perspective of the process principle, the accurate regulation and control of the pH value can influence the crystal growth kinetics of copper hydroxide by adjusting the proton concentration, and directionally induce the copper hydroxide to form a target crystal form with a regular structure and uniform morphology, thereby laying a foundation for uniform nucleation and growth of copper atoms in the subsequent reduction reaction; by adding the dispersing agent in stages, the steric hindrance effect and the interface adsorption effect of the dispersing agent can be synergistically exerted, copper hydroxide particles are effectively inhibited from being agglomerated in the early stage, copper particles are prevented from being agglomerated due to too high local concentration in the reduction process in the later stage, and the consistency of the particle size is further guaranteed.

The utility model provides an efficient solid waste utilization sorting device, which relates to the technical field of solid waste sorting equipment, and comprises support legs and a sorting box, the inner side of the sorting box is provided with a hopper, the inner wall of the sorting box is rotatably connected with two crushing rollers, the sorting box is internally provided with a conveyor belt, the outside of a magnetic roller is provided with a scraper blade, and the scraper blade is provided with a baffle plate. According to the efficient solid waste utilization sorting device, through cooperation of the crushing roller, the magnetic roller and the brush, building waste is damaged through the crushing roller, internal steel bars are exposed or disengaged from the building waste, the adsorption effect is formed on the steel bars through magnetic force of the magnetic roller, and the steel bars are separated from the building waste; the reinforcing steel bars are sucked away from the interior of the building waste, rapid sorting is achieved, the reinforcing steel bars on the magnetic roller are blocked through the scraper, the reinforcing steel bars blocked by the scraper are swept into the collecting box through rotation of the brush, the reinforcing steel bars are collected in a unified mode, and the utilization rate of the solid waste is increased.

The invention relates to the technical field of livestock and poultry product safety detection, in particular to a temperature-controllable crushing device for livestock and poultry product detection, which is characterized in that sound wave signals generated in a homogenizing process are acquired through a sound sensor arranged outside a detection cup, and spectrum drift and energy attenuation characteristics of the sound wave signals are analyzed by adopting a sound spectrum temperature inversion algorithm; inverting the temperature and distribution of the sample in real time; and meanwhile, a cooling air curtain is formed through nitrogen injection, the gas flow rate and the injection angle are intelligently adjusted through a control unit according to a temperature inversion result, directional focusing cooling of a local overheating area is achieved, and a closed-loop temperature control system driven by acoustic signals is formed. According to the device and the method, cross contamination and sensor adsorption effect caused by contact type temperature measurement are thoroughly avoided, the problems that the sensor is easy to pollute and difficult to maintain in a high-humidity and fat-rich environment are solved, heat-sensitive veterinary drug decomposition caused by friction temperature rise in the homogenizing process is effectively inhibited, and the accuracy, reliability and repeatability of veterinary drug residue detection are remarkably improved.

The invention provides a bilirubin adsorbing material as well as a preparation method and application thereof, and belongs to the technical field of blood perfusion materials. The bilirubin adsorption material is mainly prepared from chitosan quaternary ammonium salt, microfibrillated cellulose, a surfactant and a cross-linking agent, wherein the surfactant is one or more of lauryl methacrylate, Span 80 and Span 85. The structure of the bilirubin adsorption material is that a hydrophilic polysaccharide chain is stabilized in a pore wall shell, and a hydrophobic chain of a surfactant is repelled and assembled to a pore wall core. When the bilirubin adsorption material adsorbs albumin-bilirubin, the adsorption effect is better than that of MFC / QCS frozen gel, and the adsorption capacity and the adsorption rate are enhanced along with the increase of the concentration of albumin.

The invention discloses an antibacterial film stretching tester, and relates to the technical field of film stretching testing, the antibacterial film stretching tester comprises a table top, the upper surface of the table top is fixedly connected with a guide rail, electric sliding frames for stretching a film are slidably arranged above the guide rail, and a fixing cylinder for fixing the film is fixedly connected between the electric sliding frames; and an air suction box is arranged at the center of the table top, an auxiliary frame is fixedly connected to the front side of the fixing cylinder, and a smoothing mechanism for smoothing the film is arranged on the inner side of the auxiliary frame. According to the antibacterial film tensile tester, when a film is broken under the action of tensile force, the broken edge end of the film is automatically attached to the precisely machined upper surface of the air suction box under the gas dynamic adsorption effect, so that the residual vibration of the film is effectively inhibited, and the adjusting box is displaced along the auxiliary frame under the action of the tensile force of the traction rope; and the flattening block continuously applies uniform pressure to the film, so that the film wrinkle phenomenon is effectively eliminated, and the measurement precision of tensile test data is guaranteed.

The invention relates to the related technical field of waste gas purification, and discloses a multistage industrial waste gas deep purification device which comprises a shell, an electric dust removal mechanism and a spraying mechanism, a shell is arranged in the shell, a plurality of pairs of partition plates are arranged on the two side walls in the shell at intervals, and a plurality of W-shaped adsorption plates are arranged between each pair of partition plates; a cleaning assembly is arranged between every two adjacent W-shaped adsorption plates; the cleaning piece swings to drive the brush block and the scraping piece to swing, so that impurities on the surface of the W-shaped adsorption plate are preliminarily cleaned by using the swinging brush block; and the impurities on the surface of the W-shaped adsorption plate are scraped by using a second extension part, a third extension part and a first extension part, so that the active adsorption effect of the W-shaped adsorption plate can be quickly recovered.

The invention provides an antimony monatomic anchored nitrogen-sulfur co-doped carbon-based composite material as well as a preparation method and application thereof. The composite material comprises a nitrogen-sulfur co-doped carbon matrix and antimony monatomic dispersed and anchored on the nitrogen-sulfur co-doped carbon matrix. The method comprises the following steps: preparing an antimony monatomic anchoring nitrogen and sulfur co-doped carbon-based precursor, and heating and vulcanizing the antimony monatomic anchoring nitrogen and sulfur co-doped carbon-based precursor to obtain the antimony monatomic anchoring nitrogen and sulfur co-doped carbon-based composite material. When the composite material disclosed by the invention is applied to the negative electrode of the sodium-ion battery, the core-shell structure and the cavity layer of the composite material can play a role in buffering volume expansion generated by the material in the charging and discharging process; meanwhile, a strong adsorption effect exists between antimony monatomic and sodium ions, so that more reversible active sites can be introduced to the material, the capacity, the rate capability and the cycling stability of hard carbon are further effectively improved, and the performance of the sodium ion battery negative electrode is improved.

The invention belongs to the field of heavy metal adsorption separation and solid adsorbents, and provides a dendritic polyethyleneimine surface modified GO / MXene nano adsorbent as well as a preparation method and application thereof. The preparation method comprises the following steps: mixing a graphene oxide dispersion liquid with a Ti3C2Tx colloidal solution, and carrying out dispersion treatment to obtain a GO-Ti3C2Tx mixed solution with a certain concentration; adding dendritic polyethyleneimine, and carrying out covalent modification and electrostatic assembly strategy reaction to obtain a dendritic polyethyleneimine modified GO / MXene reaction solution; and centrifuging, washing and drying to obtain the dendritic polyethyleneimine surface modified GO / MXene adsorbent. According to the invention, the nitrogen-rich cationic polymer is introduced, so that the adsorption capacity of graphene oxide to Cr (VI) is improved; the preparation process is simple, green and environment-friendly; the obtained adsorbent can efficiently remove Cr (VI) in a water body, and has a good adsorption effect on Cr (VI).

The utility model discloses a lifting type dynamic scale scraping electrochemical device which comprises a reaction tank, two ends of the reaction tank are respectively provided with a jacking mechanism for lifting the height, and the outer side of the reaction tank is communicated with a liquid feeding and discharging mechanism for feeding and discharging liquid and discharging scale; according to the utility model, the power mechanism is matched with the scraping mechanism, and the dynamic lifting scale scraping device is adopted, so that the distance between the cathode plate and the anode plate can be reduced to the optimal distance, the adsorption efficiency of the equipment reaction tank is greatly improved, and scale on the cathode plate of the equipment reaction tank can be synchronously and quickly removed; the phenomenon that scale adsorbed between the cathode plate and the anode plate is thicker and thicker to cause short circuit of the cathode plate and the anode plate is avoided, the scale scraping quantity of a single motor of a single-cell reaction tank is reduced, energy consumption is lower, mechanical faults are fewer, daily operation is more stable, the adsorption effect is better, water saving and energy saving of enterprises are facilitated, and the equipment is simple in overall structure, easy to overhaul and low in cost. And the service life is long, so that the up-down lifting type scraping effect is conveniently realized.

The invention provides a display method and device, electronic equipment and a computer medium, and the method comprises the steps: displaying a preset scene picture which comprises a plurality of objects; in response to detection of a moving operation for a first object in the multiple objects, multiple pieces of target bounding box information corresponding to the multiple objects are obtained, and each piece of target bounding box information in the multiple pieces of target bounding box information is used for representing a parameter of an axis alignment bounding box corresponding to the object corresponding to the target bounding box information; based on the multiple pieces of target bounding box information, determining a to-be-adsorbed object corresponding to the first object in the multiple objects; and based on the target distance information between the first object and the to-be-adsorbed object, determining whether to display an adsorption effect of adsorbing the first object to the to-be-adsorbed object. According to the technical scheme provided by the embodiment of the invention, the effects of improving the calculation efficiency and saving computer resources can be achieved.

The utility model discloses an activated carbon wine filtering device, which belongs to the technical field of filtering equipment and comprises a tank body, a filtering space is arranged in the tank body, and a filling port is arranged at the top of the tank body; the cover body is detachably arranged at the top of the tank body, and the cover body is connected with the tank body to close the filling opening; the compaction assembly is arranged in the filtering space, the compaction assembly is provided with a compaction part, the compaction part is suitable for ascending or descending in the filtering space, and the compaction part descends to compact the activated carbon particles. According to the filter device designed by the utility model, active carbon particles are compacted by controlling the movement of the compaction part, so that gaps among the particles can be reduced, the condition of non-uniform distribution of the active carbon particles is avoided, and meanwhile, the amount of active carbon in unit volume is increased, so that liquid is more fully contacted with the active carbon when flowing through the active carbon layer; the adsorption effect is enhanced.