496 results about "Ultrasonic oscillation" patented technology

The invention provides a gradient crosslinking process of photosensitive resin for photocuring 3D printing, and relates to the technical field of photocuring 3D printing materials. The gradient crosslinking process of the photosensitive resin for photocuring 3D printing comprises the following steps: S1, based on double-initiator system design, adopting molecular dynamics simulation screening, respectively adding a 405nm sensitive type TPO-L initiator and a 365nm sensitive type I TX initiator into an epoxy acrylate prepolymer, and verifying initiation energy barrier matching through quantum chemistry calculation, and generating a pre-initiation gradient resin formula. Through molecular dynamics simulation, initiator combinations are screened, energy barrier matching is verified, the ratio of dual-wavelength sensitive initiators is optimized, and accurate triggering of surface layer and deep layer cross-linking reaction is ensured. And a three-roller grinding and dispersing process is combined with ultrasonic oscillation to eliminate nanoparticle aggregation, so that the mechanical uniformity and light scattering effect of a resin system are improved.

The invention belongs to the technical field of sodium ion batteries, and particularly relates to a sodium ferric sulfate composite positive electrode material and a preparation method and application thereof. The preparation method of the sodium ferric sulfate composite positive electrode material provided by the invention comprises the following steps: (1) preparing a carbon-coated sodium ferric sulfate positive electrode material, mixing the sodium ferric sulfate positive electrode material with a citric acid solution, and performing ultrasonic treatment to obtain a modified sodium ferric sulfate positive electrode material; (2) stirring and mixing the modified sodium ferric sulfate positive electrode material and a composite conductive agent, shearing and dispersing, and carrying out ultrasonic oscillation, wherein the rotating speed of stirring and mixing is less than or equal to 2000rpm; the rotating speed of the shearing dispersion is greater than or equal to 5000rpm. The sodium ferric sulfate composite positive electrode material provided by the invention has relatively low shear viscosity and relatively high thixotropic index under the condition that the solid content is greater than or equal to 65%.

The invention provides a biochar composite porous material for heavy metal contaminated soil remediation and a preparation method and application of the biochar composite porous material. The preparation method comprises the steps that biomass raw materials are subjected to high-temperature pyrolysis carbonization and then smashed, ground and sieved, and biochar powder is obtained; dispersing in a phosphoric acid solution to obtain a biochar solution, and filtering, washing and drying after a hydrothermal activation reaction to obtain activated biochar; dispersing in a chitosan solution, carrying out ultrasonic oscillation, filtering, washing and drying to obtain modified charcoal; mixing sodium bentonite, attapulgite and deionized water, uniformly mixing the modified charcoal, the functional slurry and a sodium carboxymethyl cellulose solution to obtain composite slurry, performing compression molding to obtain a green body, and then drying and calcining the green body. The biochar composite porous material prepared by the invention can simultaneously play multiple roles of physical adsorption, chemical chelation, ion exchange and the like in a heavy metal contaminated soil treatment process, so that efficient fixation of various heavy metal ions is realized.

The invention discloses a recovery device and reutilization method for silicon in a waste photovoltaic module, the recovery device comprises an equipment base, an acid pickling recovery pool, a circulating liquid washing mechanism and a clamping seat, the acid pickling recovery pool is fixedly installed on the surface of the equipment base, a high-pressure air pump is fixedly installed on one side of the equipment base, and the high-pressure air pump is fixedly installed on the other side of the equipment base; an aerator communicated with the output end of the high-pressure air pump is arranged on the bottom face of the acid pickling recycling pool, a liquid injection end pipe and a circulation pipeline are arranged on the top face and one side of the acid pickling recycling pool respectively, and the circulation liquid washing mechanism is fixedly installed on the inner side of the acid pickling recycling pool. According to the invention, the automatic ultrasonic pickling structure is arranged, the pickling recovery pool is used for filling the chemical solvent, the cavitation effect is formed on the surface of the silicon wafer carried by the pickling solution through ultrasonic oscillation in solvent pickling, the silicon wafer and EVA are separated, more than 99% of polymer is removed from the PV module, and the processed silicon wafer is good in integrity; the silicon wafer is almost free of fracture damage, and the recovery value is improved.

The preparation device comprises a mixing tank, a stirring device and a microbubble generating device are arranged in the mixing tank, the microbubble generating device is composed of a bottom mounting disc and a side wall mounting ring, microbubbles are injected through a first micropore and a second micropore respectively, and the micropores are conical and coated with hydrophobic nano coatings. The pulse airflow device controls airflow through an electromagnetic pulse valve to generate microbubbles. An ultrasonic oscillation device is further arranged at the bottom of the mixing tank, the stirring device comprises a high-shear stirring structure and an auxiliary stirring structure, and the mixing efficiency is enhanced through reverse driving. The preparation method comprises the steps of feeding, micro-bubble injection, gas-liquid synergistic emulsification, gas-liquid auxiliary emulsification and ultrasonic oscillation. Through the synergistic effect of microbubble injection, high shear and ultrasonic oscillation, the mixing uniformity of peanut oil and ingredients is improved, and the mixing time is shortened. The microporous coating and pulse adjustment ensure stable operation of the device, the maintenance period is prolonged to once a month, and the device is suitable for industrial production.

An ultrasonic transducer device includes a substrate, an ultrasonic oscillation unit, a ground signal line, a DC voltage signal line and an AC voltage signal line. The substrate includes an active component area and a wiring area located around the active component area. The ultrasonic oscillation unit includes a first electrode layer, a second electrode layer, a third electrode layer and a cavity. The first electrode layer is located on a first side of the cavity, and the second electrode layer and the third electrode layer are located on a second side of the cavity. The ground signal line, disposed in the wiring area, is electrically connected to the first electrode layer. The DC voltage signal line, disposed in the wiring area, is electrically connected to the second electrode layer. The AC voltage signal line, disposed in the wiring area, is electrically connected to the third electrode layer.

The invention provides a preparation method of a concrete pavement curing agent, and belongs to the technical field of concrete. The preparation method comprises the following steps: preparing a modified beta-cyclodextrin solution, preparing a polyurethane emulsion 1, preparing a polyurethane emulsion 2, and mixing. The mixing method comprises the following steps: adding potash water glass into deionized water, sequentially adding a water-based stabilizer, a polyurethane emulsion 1, a polyurethane emulsion 2 and decyl glucoside in a stirring state, and then transferring the mixture into an ultrasonic oscillator for ultrasonic dispersion for 25-35 minutes to obtain the concrete pavement curing agent. The effective water retention rate of the curing agent is 92-96%, the compressive strength ratio is 95-97% in 7d and 98-99% in 28d, the abrasion loss is 0.7-1.1 kg / m < 2 >, the solid content is 27-30%, and the drying time is 1.1-1.4 h.

The invention relates to the technical field of alloy processing, and discloses a high-performance corrosion-resistant nickel-based alloy plate and a preparation method thereof, and the method comprises the following steps: raw material preparation, smelting treatment, casting treatment, hot rolling treatment, solution treatment, aging treatment and surface passivation treatment. According to the invention, when a composite acid system is adopted for passivation treatment, the concentration of chromium / molybdenum atoms in a passivation film is optimized and balanced due to the specific ratio of nitric acid to chromic acid, a chromium oxide provides a compact passivation barrier, and a molybdenum oxide endows the film layer with a self-repairing characteristic to synergistically inhibit pitting nucleation; meanwhile, nano titanium dioxide particles pretreated by silane are embedded into the passivation film in situ under the action of ultrasonic oscillation, organic pollutants adsorbed on a film layer can be decomposed by the photocatalytic characteristic of the nano titanium dioxide particles, the local corrosion effect of a battery caused by dirt coverage is avoided, and the performance of the battery is improved through double upgrading of components and the structure of the passivation film. And the alloy plate has excellent pitting corrosion resistance and fouling resistance in a chloride ion-containing medium.

The invention discloses a high-activity graphene quantum dot and a preparation method thereof, and relates to the technical field of oilfield chemistry, and the preparation method comprises the following steps: uniformly ground carbon source and nitrogen source are mixed, heated, fully reacted and cooled, uniformly dispersed in deionized water by ultrasonic waves, and then subjected to suction filtration, dialysis and freeze drying to obtain the nitrogen-containing graphene quantum dot. The preparation method comprises the following steps: dispersing nitrogen-containing graphene quantum dots, fatty alcohol-polyoxyethylene ether carboxylic acid and a catalyst in absolute ethyl alcohol, carrying out ultrasonic oscillation for 30 minutes, carrying out reflux reaction, and carrying out reduced-pressure rotary evaporation, thereby obtaining the nitrogen-containing graphene quantum dots. The prepared high-activity graphene quantum dots are small in particle size, high in activity and capable of entering small pores to peel crude oil, so that the recovery efficiency can be remarkably improved, the point injection allocation process is simple, the high-activity graphene quantum dots can be rapidly dispersed into injected water, an additional injection allocation device is not needed, and the construction cost is low.

The invention discloses a method for producing active lime by calcining limestone, which comprises the following steps of: crushing limestone raw ore, cleaning to remove mud, and removing magnetic components by using a magnet to obtain limestone powder with the particle size of less than 3mm; then adding limestone powder into a 1-2 mol / L sodium hydroxide solution with the weight 3-5 times that of the limestone powder, carrying out ultrasonic oscillation treatment, filtering to obtain a solid I, washing to be neutral, stirring and dispersing in a dispersion liquid, carrying out microwave irradiation under the condition of an alternating magnetic field, and filtering to obtain a solid II, so as to obtain pretreated limestone powder; freezing the pretreated limestone powder under a static magnetic field condition to obtain frozen limestone powder; and finally, mixing and calcining the pretreated limestone powder and carbon dioxide adsorption balls with the particle size of 10-15mm, and separating to remove the carbon dioxide adsorption balls, thereby obtaining the active lime. The obtained active lime is high in calcium oxide content, few in impurities, high in activity degree and good in stability.

The invention relates to the technical field of phase change heat transfer, and particularly discloses a multi-field coupling enhanced phase change heat transfer visualization experiment research device which comprises a vacuum cavity provided with a heat exchange block mounting hole, an auxiliary cooling device mounting hole, first to fifth thermocouple mounting holes, a wire mounting hole, an electric field, a magnetic field mounting position and an electromagnetic wave incident port. The heat exchange block is mounted in the heat preservation sleeve; the auxiliary cooling device is mounted in the auxiliary cooling device mounting hole; a heating rod mounting hole is formed in the bottom of the end cover; the heating rod is mounted in the heating rod mounting hole; the heat preservation sleeve is installed in the heat exchange block installation hole and provided with an ultrasonic oscillation generating device installation position. The electric field-magnetic field generating device is provided with an electric field generating device and a magnetic field generating device. The influence of the superheat degree and the supercooling degree on enhanced thin liquid film boiling heat transfer and enhanced condensation heat transfer can be researched by changing the heating rod and the heat exchange fluid flow.

The invention belongs to the technical field of glass for buildings, and discloses a thermochromic intelligent window based on a vanadium dioxide nanoparticle film concentration gradient structure and a preparation method thereof.The preparation method comprises the steps that firstly, two parts of W-VO2 nanoparticles with different masses and PVP are added into absolute ethyl alcohol to be subjected to ultrasonic oscillation, and the W-VO2 nanoparticles and PVP are stirred to be evenly distributed and then stand for use; the method comprises the following steps: sequentially coating the surface of a pretreated glass substrate with W-VO2amp with relatively high concentration from bottom to top; a PVP dispersion liquid, a PMMA dispersion liquid, and low-concentration W-VO2amp are added; a PVP dispersion liquid; therefore, a W-VO2 gradient structure with low concentration at the top layer and high concentration at the bottom layer is formed on the surface of the glass substrate. The visible light transmittance of the thermochromic intelligent window is greatly improved, meanwhile, the solar modulation capacity is improved, the antagonism between the two optical properties of the visible light transmittance and the solar modulation efficiency is weakened or even broken through, and thermochromic development of the intelligent window and the radiation refrigeration field is further promoted.

The invention discloses a preparation method of a porous copper foil based on a hydrogel template and the porous copper fores.The method comprises the steps that firstly, a hydrogel solution is applied to the surface of a cathode roller in a spraying mode, and a hydrogel shielding point array is formed by means of the self-polymerization characteristic of the hydrogel solution; secondly, performing electrolysis operation by taking a cathode roller area outside the shielding point as a deposition site to prepare a composite copper foil mingled with the hydrogel shielding point; and then, stripping the composite copper foil from the cathode roller, placing the composite copper foil in an alkaline solution for ultrasonic treatment for 0.5-5 minutes, so that the hydrogel shielding point is swelled and then falls off through ultrasonic oscillation, and a pure porous copper foil is obtained. And finally, performing surface treatment on the porous copper foil by adopting a passivation solution to improve the stability of the porous copper foil. According to the method, accurate regulation and control of the porous structure are achieved through the hydrogel template, the preparation process is green and efficient, and the obtained porous copper foil is uniform in pore distribution, large in specific surface area and good in mechanical property.

The invention discloses a preparation method and application of an ultrathin large-size hexagonal boron nitride nanosheet capable of being produced on a large scale, and belongs to the technical field of two-dimensional material preparation. The method comprises the following steps: 1, preparing a boron nitride dispersion solution; 2, performing ultrasonic oscillation on the boron nitride dispersion liquid by using an ultrasonic processor; 3, stirring the boron nitride dispersion liquid subjected to ultrasonic pretreatment at an ultra-high speed by using a wall breaking machine; and 4, centrifuging the stirred boron nitride, taking supernate, washing and drying to obtain the ultrathin large-size boron nitride nanosheet. The preparation method disclosed by the invention has the characteristics of simplicity, high efficiency, economy, environmental protection, high yield, high reliability, large-scale preparation and the like, and the prepared boron nitride nanosheet has the advantages of large sheet diameter, small thickness, uniform particles, high lattice integrity and the like, and can be applied to the fields of thermal management, energy storage and photoelectrochemistry of electronic devices.

The invention provides a flexible surgical robot for removing deep cerebral hematoma through transcranial window ultrasonic oscillation. The flexible surgical robot comprises a feeding driving mechanism, an endoscope sheath, a suction arm mechanism and an ultrasonic arm mechanism. The flexible continuum robot composed of the feeding mechanism, the suction arm mechanism connected in parallel and the ultrasonic arm mechanism can achieve six-degree-of-freedom precise operation, and in addition, when a six-degree-of-freedom mechanical arm is applied in vitro, an endoscope sheath can smoothly enter the brain as soon as possible; the maneuverability of the structure is further improved through the rough operation of the six-degree-of-freedom mechanical arm and the six-degree-of-freedom fine operation of the flexible robot, the requirement for flexibility of the intracerebral hematoma minimally invasive surgery is met, the positioning capability is precise, the operation mode is flexible, the repeatability is high, and the practicability is high. The efficiency is high; the operation time of a patient is reduced; the damage to a human body is extremely low; compared with an existing surgical tool, surgical difficulty is lowered, surgical efficiency is improved, patient wounds are reduced, and patient safety is further guaranteed.

The present solution provides a preparation method for a three-dimensional structured ferrous phosphate pigment with corrosion early warning capability, including following steps: preparing a ferrous ion-containing solution for providing ferrous ions, where the ferrous ion-containing solution includes a soluble ferrous salt and a surfactant but no oxidizing ions, and the ferrous ion-containing solution is maintained in an acidic environment; preparing an initial mixed solution for providing phosphate ions and ammonium ions; and performing ultrasonic refinement, heating, and holding on the intermediate mixed solution using an auxiliary device with ultrasonic oscillation and microwave heating functions to obtain a final mixed solution; and filtering out precipitates from the final mixed solution, and then transferring the precipitates to a vacuum environment for high-temperature heating treatment to obtain a three-dimensional structured ferrous phosphate pigment with corrosion early warning capability.

The invention discloses a denatured light diffusion particle, a preparation method and a diffusion film, and the preparation method of the denatured light diffusion particle comprises the following steps: carrying out ultrasonic oscillation on PMMA spherical diffusion powder with the particle size of 3-15 [mu] m and the refractive index of 1.49 in absolute ethyl alcohol and deionized water with the ratio of 2: 1 to obtain a PMMA powder mixed solution; heating the PMMA mixed solution to 90 DEG C, slowly adding the PMMA mixed solution with the temperature of 90 DEG C into water-based aluminum paste, and performing reflux stirring at the constant temperature of 90 DEG C for 6 hours to obtain a modified solution; performing vacuum filtration on the modified solution to obtain a filter cake, and cleaning the filter cake with absolute ethyl alcohol for three times during vacuum filtration; heating the filter cake to 120 DEG C, and drying at 120 DEG C for 12 hours to obtain a block material; and crushing the block material to obtain the denatured light diffusion particles. The denatured light diffusion particles are coated in a light diffusion layer of a diffusion film, so that the brightness of the diffusion film can be improved.

The invention relates to the technical field of sensor cleaning, and discloses a liquid level sensor cleaning method, system and equipment, a medium and a program product, the abnormity caused by attachments on the surface of a sensor can be accurately recognized by combining historical cleaning frequency and a liquid level monitoring data set, and resource waste caused by blind cleaning is avoided. Meanwhile, the influence of the change of the environmental condition of the liquid level sensor on the pollution speed and the cleaning requirement is considered, and long-term stable operation of the liquid level sensor in a complex environment is guaranteed. And furthermore, a target cleaning strategy optimization algorithm is matched according to different pollutant types, so that the cleaning intensity is ensured to be adaptive to pollutant characteristics, and the cleaning efficiency is improved. Furthermore, according to the determined target cleaning time and target cleaning intensity, the ultrasonic oscillation device is controlled to clean the liquid level sensor, timing and quantitative control over cleaning operation is achieved, and it is guaranteed that the liquid level sensor keeps stable measurement precision in long-term operation.

To remove burrs generated in a workpiece.SOLUTION: A deburring device 22 comprises: an ultrasonic oscillation unit 50; and a water layer formation part 31 that forms a water layer 34 between an upper surface of a workpiece 1 and a lower surface of the ultrasonic oscillation unit 50. The ultrasonic oscillation unit 50 comprises two column-like ultrasonic horns arranged with an interval. The deburring device 22 comprises: a control part 59 that relatively moves the ultrasonic oscillation unit 50 and a table 27 with a horizontal movement mechanism; and a power control part 583 that continuously changes a phase of a high-frequency power to the other ultrasonic horn with respect to the phase of the high frequency power to one ultrasonic horn. By continuously changing the phase of the high frequency power of the one ultrasonic horn of the two ultrasonic horns, a place where an ultrasonic vibration vibrated from the two ultrasonic horns is increased is moved on the upper surface of the workpiece 1 to remove burrs.SELECTED DRAWING: Figure 3

The invention relates to the technical field of silicon carbide ceramic material processing, in particular to a preparation method of a silicon carbide ceramic-based composite material based on parameter optimization. Adding carbon fibers into a sodium hydroxide solution, and carrying out ultrasonic oscillation to obtain alkali-treated carbon fibers; the preparation method comprises the following steps: adding alkali-treated carbon fibers into a silver-ammonia solution, adding a glucose solution, heating in a water bath, washing to be neutral to obtain pretreated carbon fibers, forming a titanium carbide layer by adopting a radio frequency magnetron sputtering method, forming a silicon carbide layer by adopting the radio frequency magnetron sputtering method again, weaving to obtain carbon fiber cloth, and depositing silicon carbide to obtain a silicon carbide preform; and placing the silicon carbide preform in a vacuum reaction sintering furnace to prepare the silicon carbide ceramic-based composite material. The temperature of the sintering furnace can be optimally controlled, and the mechanical property of the silicon carbide ceramic-based composite material is improved.

The invention discloses a special ceramic product manufacturing process based on a novel composite additive, and relates to the technical field of ceramic production processes, and the ceramic product manufacturing process comprises the following steps: preparing silicon carbide powder, boron nitride powder and yttrium oxide powder, pre-activating the silicon carbide powder, mixing raw materials, adding an organic solvent, and carrying out ball milling, according to the present invention, the silicon carbide powder is subjected to pre-activation treatment, the boron nitride powder and the yttrium oxide powder are mixed, and the ultrasonic oscillation is performed during the ball milling process, such that the mixing uniformity and the activity of the raw materials are improved so as to provide the high strength and the high hardness of the finally prepared ceramic product, in addition, the high-temperature stability additive is added in a sectional manner, so that the high-temperature stability of the ceramic product is further enhanced, and the ceramic product can keep stable performance in an extremely high-temperature environment.

The invention relates to the technical field of bioengineering, in particular to an exosome separation and concentration method with marine animal source tissue as a raw material. Comprising the following steps: freeze-drying and crushing a marine animal source tissue sample; performing sample enzymolysis; and removing impurities and concentrating. According to the method disclosed by the invention, the exosome in the cells is fully dissociated through freeze-dried powder crushing and composite enzymolysis processes, and the filtering speed of the sample is accelerated by virtue of ultrasonic oscillation, so that the rapid and high-purity separation and concentration of the exosome in the marine animal source tissue are realized.

The invention provides a method for machining a straight micro through hole in glass through ultrafast laser and a machining system. The method comprises the following steps that three glass workpieces are bonded into a sandwich type workpiece through an optical cement technology; the Bessel beam is focused on the sandwich type workpiece by adjusting the length of the Bessel beam; ultrafast laser irradiates the sandwich type workpiece, so that the material structure of the inner area of the glass is converted into a silicon-oxygen three-membered ring or a silicon-oxygen four-membered ring from a silicon-oxygen six-membered ring, and the sandwich type workpiece with a vertically-through modified microarray area inside is obtained after processing; the sandwich type workpiece after laser processing is separated through the optical cement removing technology, and only the target workpiece in the middle is reserved; putting a target workpiece into an etching solution, introducing ultrasonic oscillation for etching, and corroding a silicon-oxygen three-membered ring or a silicon-oxygen four-membered ring in an internal modified microarray region by an etching agent to form a micro through hole; and cleaning the etched target workpiece. The appearance of a horn mouth can be avoided.

The invention provides an intelligent copper release nano preparation triggered by a magnetic effect as well as a preparation method and drug application thereof. The preparation is ES (at) Fe3O4 (at) SiO2-Cu; the preparation method comprises the following steps: adding FeCl3. 6h2O and CH3COONa into ethylene glycol, and carrying out hydrothermal reaction, washing and magnetic separation; dispersing the ferric oxide magnetic fluid in ammonia water for ultrasonic treatment, adding an ethanol solution containing 20% of tetraethyl silicate and a copper nitrate mixed solution for continuous reaction, washing with ethanol water, performing magnetic separation, dispersing the Fe3O4-coated SiO2-Cu fluid in an ammonium nitrate isopropanol solution, adding isopropanol water for ultrasonic treatment after magnetic separation, washing with ethanol water, replacing water with pure ethanol, and performing vacuum drying to obtain Fe3O4-coated SiO2-Cu; dispersing the mixture and ES in water, and carrying out violent ultrasonic oscillation; and dialyzing the bag overnight, and collecting to obtain ES (at) Fe3O4 (at) SiO2-Cu. The device is high in penetration depth, suitable for deep tumor treatment and good in heating efficiency under an alternating magnetic field.

The invention relates to the field of maltodextrin deep processing, and particularly discloses a low-DE-value maltodextrin processing technology which comprises the following steps: S1, mixing starch and water to obtain starch milk; loading mesoporous silica is added into the starch milk according to the mass ratio of 100: (1-3), ultrasonic oscillation treatment is carried out, then treatment is carried out at the temperature of 50-53 DEG C, pH is adjusted, and starch slurry is obtained; s2, amylase is added into the starch slurry, uniform stirring is performed, the addition amount of the amylase is 22-25 U / g, enzymolysis is performed for 8-10 min under the condition of 95-99 DEG C, and liquefied starch slurry is obtained through spray liquefaction; s3, adjusting the pH value of the liquefied starch slurry, then performing high-temperature enzyme deactivation treatment, and finally performing filtration, decoloration, refining, concentration, drying and packaging to obtain a finished product. The method has the advantages of low DE value and good stability.

The invention discloses equipment and a method for removing free calcium oxide in steel slag, adding acid, washing and circulating, and relates to the technical field of industrial solid waste recycling. The equipment comprises a multi-stage cleaning module, an acid liquor dynamic adjusting system, a water circulation filtering module and an intelligent control unit. Steel slag is sequentially fed into the pre-washing cavity section filled with water under pressure through the spiral conveying mechanism, a pickling solution prepared through ultrasonic waves is added into the neutralization reaction cavity section through the control valve, and the concentration of the pickling solution is regulated and controlled in real time in combination with the pH sensor. And the acid liquor is recycled by utilizing a centrifugal separation and membrane filtration technology or a flocculation precipitation technology. The innovativeness is as follows: ultrasonic oscillation and acid pickling are combined, so that the reaction efficiency of free CaO / MgO is improved; matching steel slag component characteristics by adopting a gradient pickling process; a combined pressurized water circulation system is developed to efficiently treat free calcium oxide and synchronously treat suspended matters and heavy metal ions; and the integrated intelligent control system realizes adaptive adjustment of process parameters.

The invention discloses pure crushed coix seed porridge, and relates to the technical field of coix seed porridge. The preparation method comprises the following steps: step a, intelligent screening pretreatment; b, bionic crushing and winnowing treatment; step c, performing ultrasonic concussion and debonding; step d, performing variable-pressure and temperature-controlled boiling; and step e, carrying out sterile filling. According to the method, the raw materials are accurately screened through hyperspectral sorting and image recognition, and the purity is higher than 99.5%; particles are uniform and complete after double-step type crushing and winnowing, and the integrity rate reaches 90% or above; ultrasonic cavitation oscillation is utilized for efficient debonding, dissolution of soluble substances is facilitated, and chemical reagents are not needed; the porridge body reaches ideal viscosity and gelatinization degree through variable-pressure and temperature-controlled boiling; the whole process is free of additives, strict sterilization is carried out, no waste is discharged in the production process, the protein dissolution rate exceeds 80%, and the beverage is pure, natural and high in nutritional value.

The invention provides a high-entropy ceramic strengthened coating based on induction heating, ultrasonic oscillation and pulse current assisted laser cladding and a preparation method thereof. The coating is prepared by taking TC4 titanium alloy powder, IN718 high-temperature alloy powder and nitride ceramic powder as raw materials through multi-field coupling assisted laser cladding. In the laser cladding process, an induction heating field is used for optimizing a molten pool temperature field and reducing residual stress; ceramic phase segregation is inhibited by using an ultrasonic oscillation field, and grains are refined; a pulse current field is utilized to improve molten pool fluidity and reduce pores. The porosity of the prepared coating is smaller than or equal to 0.05%, the bonding strength is larger than or equal to 520 MPa, the grain size is smaller than or equal to 20 micrometers, and the coating has the characteristics of high hardness, abrasion resistance, corrosion resistance and high temperature resistance and meets the requirement for equipment surface protection under the extreme working condition. Through multi-field cooperative regulation and control, the technical problems that a high-entropy ceramic coating is prone to cracking and poor in binding force are solved, the process is efficient, cost is low, and the method has remarkable industrial application value.

The present invention relates to a poly-dopamine / lithium phosphate composite organic layer / inorganic layer co-coated micron silicon material and a preparation method thereof, belonging to the technical field of electrochemical energy storage. Micron silicon particles and lithium phosphate are mixed and dispersed in an acidic solution, heated and stirred until the solution is evaporated to dryness, the solid product is collected and ground to obtain a dark brown powder; the above dark brown powder is transferred to a tube furnace and heat-treated under a protective atmosphere to obtain Si@LPO powder; the Si@LPO powder is dispersed in a Tris solution and subjected to ultrasonic oscillation to obtain a Si@LPO / Tris dispersion solution; dopamine hydrochloride powder is added to the Si@LPO / Tris dispersion solution to obtain a mixture; the above mixture is filtered and washed, the insoluble matter is collected and dried in vacuo to obtain a Si@LPO / PDA anode material. By combining the solution evaporation method and the in-situ polymerization method, a lithium phosphate inorganic coating layer and a poly-dopamine organic coating layer are sequentially constructed on the surface of the micron silicon particles to stabilize the material / electrolyte interface and achieve the performance improvement of the micron silicon-based anode.

The utility model discloses a humidification type ceramic artware which comprises a base and a ceramic tank body, a liquid storage tank is clamped in the base, an ultrasonic oscillation rod is fixedly connected to the inner wall of the bottom of the liquid storage tank, an air outlet pipe is fixedly connected to the top end of the liquid storage tank, an air inlet hole is formed in one side of the air outlet pipe, and an air outlet hole is formed in the other side of the air outlet pipe. An ultraviolet lamp tube is fixedly connected to the circumferential inner wall of the air outlet pipe, a fan is fixedly connected between the circumferential inner walls of the air outlet pipe, a sealing cover is fixedly connected to the top end of the air outlet pipe, a limiting ring is fixedly connected to the top of the sealing cover, and a plurality of first air outlet holes and a plurality of second air outlet holes are formed in the top of the sealing cover; and the ceramic tank body is placed on the outer wall of the top of the base. The ceramic pot body is screwed to drive the mounting plate to rotate, so that the blocking block is driven to rotate, the size of the first air outlet hole or the second air outlet hole blocked by the blocking block is adjusted, the air outlet size is adjusted, and the applicability of the ceramic artware is improved.