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132results about How to "Improve fill rate" patented technology
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Auxiliary pushing mechanism and roller dryer
ActiveCN119245331AImprove fill rateImprove mobile efficiencyDrying chambers/containersDrying solid materialsFilling rateLow density
The invention discloses an auxiliary material pushing mechanism and a roller dryer, and relates to the technical field of material pushing, the auxiliary material pushing mechanism comprises material pushing plates and a push rod, the two ends of the push rod are movably connected to one ends of the material pushing plates respectively, the other ends of the material pushing plates are hinged to the inner layer of the roller dryer, and the end face projections of the two material pushing plates are located on the same diameter of the roller dryer. The two material pushing plates are arranged at an axial interval, and the material pushing plate located at the top of the roller dryer can swing by means of self weight and push the push rod and the material pushing plate at the bottom to move in the discharging direction of the roller dryer. The roller dryer can effectively solve the problems that materials move slowly in the roller dryer and the filling rate of the materials in the roller is low, is particularly suitable for light materials with low density and small viscosity, can improve the filling rate and the moving efficiency of the materials in the drying roller, enables the materials to be distributed more uniformly in the roller and to be in full contact with heat exchange elements, and improves the drying efficiency of the materials. And the materials can be smoothly pushed out, so that the phenomenon of material blockage in the barrel body is avoided.
Owner:QINGDAO SONGLING POWER ENVIRONMENTAL EQUIP
Multi-layer circuit board preparation method and system based on via hole filling optimization and multi-layer circuit board
InactiveCN119545674Alow viscosityreduce flowComputer designed circuitsElectrical connection printed elementsCapillary pressureUltrasonic vibration
The invention discloses a multilayer circuit board preparation method and system based on via hole filling optimization and a multilayer circuit board, and relates to the technical field of circuit board preparation, and the method comprises the steps: obtaining the size of a via hole, calculating the depth-to-width ratio, constructing a viscosity gradient function, taking a via hole filling quality evaluation index as a first optimization target, and solving an optimal ratio; designing a vacuum degree control strategy; the current capillary pressure is obtained, differential pressure driving force is calculated according to the current through hole gas pressure intensity, the time needed for filling and the preset ultrasonic vibration duration are calculated in combination with the through hole diameter, the hole depth and the viscosity gradient function, and ultrasonic auxiliary filling is carried out while through hole filling is carried out; filling the via hole, and controlling the vacuum degree according to the vacuum degree adjusting curve; and the real-time filling rate and the cavity volume are obtained, a second target function is constructed with the difference between the minimum target filling rate and the actual filling rate and the filling cost as a second optimization target, and the optimal filling step number and the optimal single injection material volume are solved.
Owner:ZHEJIANG ZHENYOU ELECTRONICS CO LTD
Packaging film glue solution composition, packaging film as well as preparation method and application of packaging film
PendingCN119614138AImprove adhesionGood solvent resistanceNon-macromolecular adhesive additivesPolyureas/polyurethane adhesivesPolyesterPolymer science
The invention provides a packaging film glue solution composition, a packaging film as well as a preparation method and application of the packaging film. The packaging film glue solution composition is prepared from the following components in parts by weight: 10 to 30 parts of organic silicon modified aliphatic polyurethane acrylate resin, 0.1 to 5 parts of UV (Ultraviolet) reactive diluent, 30 to 60 parts of epoxy resin, 2 to 12 parts of flexibilizer, 20 to 55 parts of curing agent, 0.1 to 2 parts of accelerant, 5 to 20 parts of light diffusion powder, 0.02 to 1.0 part of coupling agent and 0.05 to 0.5 part of photoinitiator, the organic silicon modified aliphatic polyurethane acrylate resin is prepared from the following raw materials: polyester glycol, carbon-terminated hydroxyl polydimethylsiloxane, a diisocyanate compound and hydroxyl acrylate; the molar ratio of the polyester diol to the carbon-terminated hydroxyl polydimethylsiloxane is (15-45): 1; the UV active diluent comprises an epoxy acrylate compound. The packaging film glue solution composition provided by the invention has good film-forming property, and a packaging film prepared from the packaging film glue solution composition is good in environmental reliability and has high filling rate when a Mini LED display module is packaged.
Owner:PRIMA OPTICAL FILM (DONGGUAN) CO LTD
Insulator and cementing method thereof
PendingCN119419016Aquality improvementImprove fill rateInsulatorsStructural engineeringMechanical engineering
The invention discloses an insulator which comprises an insulator, an umbrella skirt and flanges, the umbrella skirt covers the outer wall of the insulator, the flanges are connected to the two ends of the insulator, each flange comprises a base and a sleeve part extending out of the base, and at least two glue containing grooves are formed between the sleeve part and the insulator. Each glue containing groove is formed by a first groove formed in the inner wall of the sleeve part and / or a second groove formed in the outer wall of the insulator, at least one vertical groove is formed in the inner wall of the sleeve part in the axial direction of the sleeve part, each vertical groove is communicated with at least two glue containing grooves, and the at least two glue containing grooves are axially formed around the insulator and are arranged in parallel; the sleeve part is provided with at least one glue injection hole and at least one exhaust hole, the glue injection hole and the exhaust hole are communicated with the at least two glue containing grooves respectively, and the glue injection hole and the exhaust hole are formed in the intersection of the communicated glue containing grooves and one vertical groove. According to the scheme, the sealing performance can be improved, and the glue filling rate and the glue binding efficiency are high.
Owner:JIANGSU SHENMA ELECTRIC CO LTD
Flexible graphite bipolar plate for fuel cell and preparation method of flexible graphite bipolar plate
PendingCN119191877AReduce porosityImprove hydrophilicityCell electrodesFuel cellsFuel cellsPhysical chemistry
The invention discloses a flexible graphite bipolar plate for a fuel cell and a preparation method of the flexible graphite bipolar plate, and relates to the field of fuel cell bipolar plates. According to the method, strong acid etching is combined with high-temperature treatment, so that the content of pores smaller than 0.1 mu m in the prefabricated slab is reduced; the hydrophilic performance of the prefabricated plate is enhanced by adding oxygen-containing functional groups, so that the wettability of mixed resin and the prefabricated plate is improved, the filling rate of the resin in the prefabricated plate is improved by enhancing the flowability of the resin under the same operation condition, and then the air tightness and physical strength of the finished graphite plate are improved.
Owner:ZHEJIANG TIANNENG HYDROGEN ENERGY TECH CO LTD
Waterproof paving and caulking system structure for outer wall
The utility model provides an outer wall waterproof paving and caulking system structure, and relates to the technical field of outer wall waterproofing. The waterproof paving and caulking system structure for the outer wall comprises a masonry wall body and a plaster layer, the masonry wall body is coated with the plaster layer, the plaster layer is coated with a waterproof interface layer, the waterproof interface layer is coated with a tile adhesive layer, tile blocks are provided with tile back adhesive layers, and the tile blocks are paved by attaching the tile back adhesive layers to the tile adhesive layers. And a gap between the adjacent ceramic tile blocks is filled with a gap filling adhesive layer. Tooth-shaped textures are smeared on the tile glue layer and the tile back glue layer through the tooth-shaped scraping plate, tooth-shaped grain grooves of the tile glue layer and the tile back glue layer are matched with each other, and therefore the full slurry rate during tile block paving is increased, gaps between tile blocks are filled with the gap filling glue layers, connection between adjacent tile blocks and connection between the tile blocks and a masonry wall are tighter, and the tile blocks are more attractive in appearance. And water leakage can be prevented, and the anti-seepage effect is achieved.
Owner:SIKADCO (GUANGZHOU) ENTERPRISE MANAGEMENT CO LTD
Special feeder matched with bubble cap molds one to one
PendingCN119527639Aaccurate fillingTo meet production capacityWrappingPackaging automatic controlProcess engineeringMechanical engineering
The invention discloses special feeders matched with bubble cap molds in a one-to-one mode. Comprising a bubble cap machine table board, a bubble cap machine table board track arranged on the bubble cap machine table board, a caterpillar band feeder discharging component detachably arranged on the bubble cap machine table board and located above the bubble cap machine table board track, and a caterpillar band feeder feeding component detachably arranged on the caterpillar band feeder discharging component. When the feeder is used, the reliability is high, the service life is long, and blisters can be efficiently and stably filled with medicine. The universality of the feeding mechanism can be greatly improved, and the feeding requirements of customers for various tablets are met. And universal feeding is really achieved. Servo tracking is adopted, and the speed is completely matched with a host.
Owner:SHANGHAI JORNEN TECH CO LTD +1
Welding equipment special for circumferential weld
ActiveCN119426909AImprove fill rateImprove mechanical propertiesWelding/cutting auxillary devicesAuxillary welding devicesStructural engineeringWeld seam
The invention belongs to the technical field of welding, and discloses a welding device special for circumferential welds.The welding device comprises a welding base, mounting frames are fixedly connected to the two sides of the welding base, a mounting block is fixedly connected to the top of the welding base, a limiting sleeve is fixedly connected to the middle section of the bottom of each mounting frame, and a push rod is slidably connected to the interior of each limiting sleeve. A rotary shaft rotates to drive an ejector rod to rotate, the ejector rod rotates to push a push rod to move to eject a first clamping block out of a limiting clamping groove, and when the ejector rod continues to rotate to be separated from the push rod, the first clamping block is matched with a short groove of the limiting clamping groove due to gravity and elastic force of a spring at the moment; due to the fact that the first clamping block and the limiting clamping groove are matched and enter the short groove from the long groove, the distance between the welding gun and the welding part is lengthened, the welding part is welded again, layered welding is achieved, the welding speed and the filling rate of the welding seam can be increased, the mechanical property of the welding seam is improved, and the corrosion resistance of the welding seam is enhanced.
Owner:PENGLAI JUTAL OFFSHORE ENG HEAVY IND CO LTD
Integrated mems two-dimensional scanning probe system, capacitive angle measurement method and apparatus
ActiveCN115542290Bcompact structuresave spaceWave based measurement systemsUsing electrical meansCapacitanceLaser detection
This application relates to an integrated MEMS two-dimensional scanning detection system, a capacitance angle measurement method, and an apparatus. The integrated MEMS two-dimensional scanning detection system includes: a laser detection component and a magnetic circuit component disposed below the laser detection component. The laser detection component is an integral structure formed by connecting a scanning lens to a riveting area via a Y-shaped two-dimensional rotation axis. The magnetic circuit component is a hollow structure enclosed by two types of magnetic circuit modules, which are used to generate magnetic fields in different directional dimensions. The riveting area of the laser detection component is connected to the magnetic circuit modules in the magnetic circuit component. The scanning lens is located in the cavity enclosed by multiple magnetic circuit modules, and under the drive of magnetic fields in different directional dimensions, the Y-shaped two-dimensional rotation axis drives the scanning lens to rotate in the corresponding directional dimension within the cavity. This integrated MEMS two-dimensional scanning detection system can reduce the overall size of the electromagnetic scanning mirror.
Owner:TSINGHUA UNIVERSITY
Guide rod type filling support
PendingCN119221991Ashorten the lengthImprove support strengthMaterial fill-upClassical mechanicsJackscrew
Owner:BEIJING CHENGTIAN HENGYE COAL MINE EQUIP CO LTD +1
Method, device, equipment and storage medium for predicting insurance user's insured area
The present invention discloses a prediction method, device, equipment and storage medium for the insured area of an insurance user. The present invention establishes a model for inferring the insured district and county through user characteristics, wherein for the insurance page access user who cannot be mapped to the district and county through the IP address, the district and county where the user is located can be inferred through the model, and for the insurance page access user who can be mapped to the district and county location through the IP address, the model and the inferred value are compared, so as to correct the possibly inaccurate district and county results, so as to improve the accuracy of the location mapping; in this way, the filling rate of the district and county address of the insurance user can be increased to 100%, and the accuracy of the district and county where the insurance user is located can be improved.
Owner:YIBAO TECH (SHANGHAI) CO LTD
Optical system and image display device
PendingCN119317860AImprove fill ratesmall sizeTelevision system detailsColor television detailsLight guideOptic system
Provided are an optical system and an image display device with which it is possible to increase the pupil filling rate of image light in a field-of-view region and to reduce the size of an incident region. The optical system (3) is provided with a light guide member (5). The light guide member (5) is provided with: an incidence region (51) for causing the image light (L1) to be incident into the main body section (50); and an emission expansion region (53) having a diffraction structure that divides the image light (L1B) into a plurality of image light (L2) and emits the image light (L2) from the main body section (50). The emission expansion region (53) branches the image light (L1B) into first to third image light (L11, L12, L13). The first image light (L11) and the third image light (L13) are emitted from the emission expansion region (53) at different angles and propagate within the main body section (50). The emission expansion region (53) includes an overlapping portion (53a) where the first image light (L11) and the third image light (L13) are incident in a partially overlapping state. The optical path length difference between the first image light (L11) and the third image light (L13) incident on the overlapping portion (53a) is longer than the coherence length of the image light (L1).
Owner:PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTD
High-moisture-content powder material tiling and distributing device
ActiveCN222523730UTiled evenlyeasy to handleLarge containersLoading/unloadingElectric machineMaterial distribution
The utility model relates to the technical field of powder preparation equipment, in particular to a powder distributing device which comprises a stock bin (1), a vibrator (3) is arranged at the bottom of the stock bin and connected with a motor (4), a partition plate (2) is arranged at the joint of the stock bin and can rotate horizontally, and the tail end of the stock bin is connected with a conveying device (5) for outputting materials. According to the scheme, the problems that in the traditional treatment process of the high-moisture-content powder material, if the material distribution is not uniform, the spreading thickness difference is easily generated, so that the quality difference of subsequent treatment procedures is caused, and the production quality of the whole process is influenced are solved. According to the utility model, through the linkage between the bottom valve of the stock bin and the conveying speed of the conveying belt and the combination of the modes of vibrating at the feeding hole, pre-distributing by the partition plate, vibrating at the conveying belt and the like, the materials can be uniformly paved on the conveying device from the outlet of the material distributing device according to a certain thickness, so that the uniform conveying of the materials can be realized, and the process quality is ensured.
Owner:SHANDONG HAOINNO NEW MATERIALS CO LTD
An inclined feeding device for valve bag packaging machine
The invention discloses an inclined feeding device for a valve bag packaging machine, comprising a feeding pipe and an inclined output component, wherein the feeding pipe is connected to the inclined output component, and the material enters the feeding pipe and is output through the inclined output component. The invention can make the bag also form an inclined angle during the filling process through the design of the inclined output component, thereby improving the filling rate and preventing powder spraying and overflow from occurring.
Owner:BADE CHEMICAL (SHANDONG) CO LTD
belt retainer roller
PendingCN122122402AIncrease the number ofIncrease load capacityRoller bearingsBearing componentsStructural engineeringMechanical engineering
A belt retainer roller has a plurality of rollers and a retainer (2) that retains the rollers. The retainer (2) includes a pair of annular members (4) facing both axial ends of each roller, and a plurality of column portions (5) that are disposed at equal intervals in the circumferential direction across the outer diameter portions of the pair of annular members (4) for the rollers to be fitted into. An inner diameter portion of each annular member (4) is provided with a roller retaining claw (6) for preventing the rollers from falling toward the inner diameter side of the retainer. A retainer radial chamfer length (B) and a retainer wall thickness (A) satisfy the following relationship: 0 < B / A ≤ 1.6.
Owner:NTN CORP
Permeation and compaction device for reinforcing tire base
ActiveCN224183465UGuaranteed waterproof performanceGuaranteed physical strengthCoatingsClassical mechanicsMechanical engineering
The utility model relates to a reinforcing tire base soaking and compacting device, and belongs to the technical field of tire base processing, the reinforcing tire base soaking and compacting device comprises an oil immersion pool, an unwinding roller is erected on the oil immersion pool, a first compacting assembly is arranged in the oil immersion pool, and the first compacting assembly comprises a first lower pressing roller and a first fixing roller; the first fixed roller is rotationally arranged relative to the oil immersion pool, the center line of the rotating shaft coincides with the center line of the first fixed roller, and the first lower pressing roller is arranged on the oil immersion pool in a sliding mode and slides in the direction close to or away from the first fixed roller; a vibration assembly for vibration of the tire base is arranged above the oil immersion pool; and a guide roller is further arranged in the oil immersion pool and located on the side, away from the first compaction assembly, of the vibration assembly, and the effect of improving the filling rate of gaps between fibers in the tire base in the oil immersion procedure is achieved.
Owner:YUDUN WATERPROOF BUILDING MATERIALS GRP CO LTD
Manufacturing method of conductive film, conductive film and electronic equipment
PendingCN119132735AImprove fill ratereduce height differenceConductive layers on insulating-supportsCable/conductor manufactureElectronic equipmentConductive membrane
The invention provides a manufacturing method of a conductive film, the conductive film and electronic equipment. The method comprises the following steps: providing a substrate; taking the first surface of the substrate as a bearing surface, and manufacturing a conductive function layer on the bearing surface; wherein the step of manufacturing the conductive functional layer on the bearing surface comprises the following steps of: arranging a first optical adhesive layer on the bearing surface; a second optical adhesive layer is arranged on the surface, away from the bearing surface, of the first optical adhesive layer; stamping a groove with a preset pattern on the second optical adhesive layer, wherein the groove penetrates through the second optical adhesive layer and goes deep into the first optical adhesive layer; scraping and filling conductive slurry into the groove, and curing; and removing the second optical adhesive layer to form the conductive function layer. According to the manufacturing method of the conductive film, the number of times of scraping and filling the conductive slurry can be reduced, so that the appearance reject ratio caused by repeated scraping and filling is reduced, and the production efficiency is improved.
Owner:IVTECH JIANGSU CO LTD +1
Preparation method of low-loss ultra-thin PTFE microwave dielectric substrate
ActiveCN117429141Breduce lossFiller particles are smallLamination ancillary operationsChemical industryGlass fiberPolymer science
This invention discloses a method for preparing a low-loss ultrathin PTFE microwave dielectric substrate. The method includes the following steps: 1. Preparation of PTFE composite adhesive; 2. Impregnation with glass fiber cloth; 3. Lamination of sheet substrates. The PTFE microwave dielectric substrate prepared by this method has fine filler particles and a high filling rate, improving the uniformity of the ultrathin substrate thickness and dielectric constant. The substrate thickness is 0.065mm ± 0.008mm, and the dielectric constant at 10GHz is 2.95 ± 0.03. It also reduces the loss factor at high frequencies, with a loss factor ≤ 0.0011 at 10GHz. The preparation process is simple, easy to scale up for continuous production, and the microwave substrate exhibits excellent performance, meeting the stringent performance requirements of multilayer circuit boards in high-frequency communication applications.
Owner:CHINA ELECTRONICS TECH GRP NO 46 RES INST
A method for preparing high-entropy ceramic matrix composites by a reactive infiltration process
This invention discloses a method for preparing high-entropy ceramic matrix composites using a reactive infiltration process, belonging to the technical field of ceramic matrix composites. The steps are as follows: at least four single-component carbides are ball-milled and mixed with a carbon source, then dispersed in a dispersion liquid to obtain a slurry; continuous fibers are woven into a preform, and an interface layer and a matrix layer are deposited to obtain a semi-dense composite material; the slurry is introduced through vacuum or pressure impregnation; and a high-entropy carbide matrix is generated in situ and densified by reactive infiltration after embedding with a transition metal and its alloy. This invention solves the problems of long process cycles, high porosity, high cost, and insufficient introduction of high-entropy ceramics in existing processes, achieving rapid densification and improving the material's high-temperature stability, oxidation resistance, and ablation resistance. It is suitable for the large-scale production of thermal protection materials for hypersonic vehicles.
Owner:NORTHWESTERN POLYTECHNICAL UNIV
Method for improving dustpan filling rate of bucket elevator
PendingCN121960867AReduce efficiency lossExtended service lifeImage analysisForecastingSimulationPredicting performance
The invention relates to a method for improving the dustpan filling rate of a bucket elevator. The method comprises the steps that dustpan filling images and equipment data are obtained in real time through a sensor network; transmitting the data to an edge AI calculation unit, performing millisecond-level reasoning by using a lightweight convolutional neural network model, estimating a filling rate in real time and identifying a material type; based on a reasoning result, dynamically and cooperatively adjusting operation parameters, including changing the geometric volume of the deformable intelligent winnowing pan through a micro driving mechanism, adjusting the speed of the elevator and controlling a feeding auxiliary device, and continuously optimizing decision logic of the system by a digital twin model, according to the model, an optimization strategy set is generated in advance through discrete element simulation and a Bayesian optimization algorithm, and the system has a maintenance function of predicting performance degradation by analyzing current and vibration data and can cooperate with upstream and downstream equipment to realize global energy efficiency optimization; according to the scheme, the problem that the filling rate of a traditional elevator is unstable due to variable materials and fixed bucket types is solved, and self-adaptive precise control is achieved.
Owner:SHANGHAI PRECISION DOSING & WEIGHING SYST CO LTD
Solid buoyancy material, method for its production and use
The embodiment of the present application provides a solid buoyancy material and a preparation method and application thereof. The solid buoyancy material comprises an epoxy resin matrix and light fillers dispersed in the epoxy resin matrix; the light fillers comprise hollow glass microbeads A, hollow glass microbeads B and elastic organic expanded beads, and the particle size of the hollow glass microbeads A is greater than that of the hollow glass microbeads B. The solid buoyancy material has excellent waterproof property while having a relatively low density.
Owner:ZHONGTIAN TECH MARINE SYST CO LTD +1
A new biogas slurry membrane filtration device based on silicon carbide membrane
ActiveCN224325210UGood oil resistanceImprove high temperature resistanceSemi-permeable membranesWater/sewage treatment bu osmosis/dialysisCarbide siliconSlurry
The application discloses a novel biogas slurry membrane filtration device based on silicon carbide membranes, comprising: a silicon carbide membrane assembly, which is composed of four groups of membrane groups in parallel connection, and two ends of each group of membrane groups are connected with a shunt pipe and a collection pipe; each group of membrane groups comprises four silicon carbide tubular membrane tubes, and the four silicon carbide tubular membrane tubes are connected in series, each silicon carbide tubular membrane tube is provided with a plurality of large through-hole structures along the axial direction thereof, the diameter of the large through-hole structure is 8 mm, and the pore size of the membrane tube is 150 nm; and a cleaning assembly connected with the silicon carbide membrane assembly and used for cleaning the silicon carbide membrane assembly according to a preset mode. The application has stronger anti-clogging performance, is suitable for anaerobic biogas slurry treatment with high solid content and more organic fiber components, effectively alleviates the problems of scaling and fiber winding and clogging, and solves the problem of membrane strength through the thickening design of the membrane tube spacing.
Owner:SHANGHAI PUDONG ENVIRONMENTAL DEV CO LTD
GaN-based semiconductor laser element
PendingCN119401210Aimprove coherenceincrease powerOptical wave guidanceLaser detailsNonlinear opticsLine width
The invention discloses a GaN-based semiconductor laser element which comprises a substrate, a lower limiting layer, a lower waveguide layer, an active layer, an upper waveguide layer and an upper limiting layer, spin-orbit coupling layers are arranged in the lower limiting layer and the lower waveguide layer, and the spin-orbit coupling layers are designed to be used for regulating and controlling phase-locked laser response and near-field beam guidance. Mode competition is suppressed, the laser suppression ratio is improved, light field dissipation is reduced, coherence and mode gain of laser are improved, the line width of the laser is reduced, and a light beam quality factor is improved; by designing conduction band effective state density distribution, electron affinity distribution and electron effective mass distribution of the spin-orbit coupling layer, a quantum Hall system with relatively strong net spin density and super-strong second-order nonlinear Hall effect is formed, nonlinear optical polarizability is enhanced, population distribution inversion of the active layer is accelerated, and the quantum Hall effect is improved. The active layer state density is enhanced to improve spontaneous radiation and stimulated radiation, and the lasing power and slope efficiency of the laser element are improved.
Owner:GEN SEMICONDUCTOR (ANHUI) CO LTD
A zirconium alloy cladding composite protective coating and a method of making the same
This invention discloses a zirconium alloy cladding composite protective coating and its preparation method, comprising a first Mo layer, a second Mo layer, and a Cr layer arranged sequentially from bottom to top. The thickness ratio of the Cr layer to the second Mo layer is (3-7):1, and the thickness ratio of the first Mo layer to the second Mo layer is (2-5):1. The morphology of the first Mo layer is nanocrystalline, and the morphology of the second Mo layer is columnar crystal. Compared with the prior art, the zirconium alloy cladding composite protective coating provided by this invention has a three-layer structure. The first Mo layer enhances the coating density, the second Mo layer is responsible for achieving strong bonding with the Cr coating, the Cr coating is responsible for achieving resistance to high-temperature water vapor corrosion and reducing the oxidation weight gain of the zirconium alloy, the first Mo layer can provide more nucleation sites, promote dense deposition of the coating, and FCC is a tightly packed lattice with a higher filling rate than BCC, resulting in better corrosion resistance.
Owner:NINGBO INST OF MATERIALS TECH & ENG CHINESE ACAD OF SCI
Preparation method of graphene composite phase change thermal interface material
ActiveCN121592313Bachieve controllabilityachieve structural integrityGrapheneHeat-exchange elementsThin membraneInterfacial thermal resistance
The application relates to a preparation method of a graphene composite phase change thermal interface material. An oxidized graphene dispersion liquid is provided, a centrifugal roller coating and a layer-by-layer drying process are adopted to form a multilayer oxidized graphene unit layer on a substrate, and an oxidized graphene film is obtained; the oxidized graphene film is placed in a limited space, gradient heat reduction treatment is carried out, the film is controllably expanded in the out-of-plane direction, and a reduced graphene oxide film with a micro-nano cavity structure is formed; the reduced graphene oxide film is subjected to graphitization treatment, and a graphene micro-nano cavity film is obtained; through a vacuum impregnation method, a molten phase change material is filled into the micro-nano cavity structure of the graphene micro-nano cavity film. The thermal interface material has high phase change enthalpy (196.2 J / g), excellent thermal performance (in-plane thermal conductivity 65.5 W.m ‑1 ·K ‑1 , out-of-plane 21.9 W.m ‑1 ·K ‑1 , and low interface thermal resistance (0.575 K.cm 2 ·W ‑1 ).
Owner:PEKING UNIV
Low-carbon ore grinding process for improving yield of particle fraction of-325 +400 meshes
PendingCN119425898Areduce overgrindingavoid overgrindingGrain treatmentsComposite ceramicFilling rate
The invention discloses a low-carbon ore grinding process for improving the yield of a particle fraction of-325 + 400 meshes, and belongs to the technical field of ore grinding. The method comprises the steps that feeding mineral materials are screened; selecting an optimal ratio of the steel balls to the ceramic balls; optimizing the initial loading system and the filling rate of the porcelain balls; selecting the optimal ore grinding concentration; adding a proper amount of steel balls to reduce the under-abrasive fraction; and a steel ball and ceramic ball mixed grinding scheme is determined. According to the invention, the problems of over-grinding phenomenon, low yield of newly generated-0.045 + 0.038 mm and more under-grinding particle size of the existing tower mill taking a steel ball as a medium are solved. According to the method, the ore grinding medium steel balls are replaced by the nano composite ceramic balls, and the nano composite ceramic balls are matched with the steel balls with a certain volume ratio, so that the content of ore grinding products with the size of-0.045 mm is increased, the ore grinding efficiency, the concentrate grade and the recovery rate of the tower mill are improved, energy is saved, consumption is reduced, and meanwhile, the comprehensive benefits of a dressing plant are increased.
Owner:ANHUI MASTEEL MINING RESOURCES GRP NANSHAN MINING CO LTD +1
Ore grinding grading system
ActiveCN222567987Uincrease effective volumeImprove fill rateGrain treatmentsProcess equipmentMining engineering
The utility model relates to the technical field of ore dressing and grinding, in particular to an ore grinding grading system which comprises a vertical spiral stirring mill, an overflow port of the vertical spiral stirring mill is communicated with one end of an overflow box through an overflow inclined pipe, and an overflow hole plate perpendicular to the flowing direction of mineral powder is arranged in the overflow box. The other end of the overflow box is communicated with a pump pool through a discharging device, an ore feeding pipe is arranged at the top end of the pump pool, the bottom of the pump pool is communicated with a swirler through a slurry pump, and a desilting opening in the bottom of the swirler is communicated with a feeding opening in the bottom of the vertical spiral stirring mill. The overflow liquid level of the vertical spiral stirring mill can be increased, the effective volume of the vertical spiral stirring mill can be increased, the filling rate of the vertical spiral stirring mill is increased, the ore grinding effect is improved, small-diameter lost round steel balls can be effectively prevented from entering subsequent process equipment of a system through blocking of the overflow pore plate, production operation is guaranteed, and the ore grinding effect is improved.
Owner:SHANGHAI MILESTONE TECH CO LTD
Biochemical reaction device and biochemical reaction method
PendingCN119410473AImprove fill rateEasy to fillBioreactor/fermenter combinationsBiological substance pretreatmentsEngineeringMaterials science
The invention provides a biochemical reaction device and a biochemical reaction method.The biochemical reaction device comprises a first flexible film, a second flexible film and a substrate with a plurality of reaction holes, the first flexible film and the second flexible film are connected in a circumferential sealing mode to form an internal cavity structure, the substrate is arranged in a cavity, and the boundary of the substrate is connected with the first flexible film and the second flexible film; a cavity between the substrate and the first flexible film forms a first cavity, and a cavity between the substrate and the second flexible film forms a second cavity; the opening of the reaction hole towards the first cavity is a first opening, the opening towards the second cavity is a second opening, and the aperture of the first opening is smaller than that of the second opening. According to the invention, a biochemical reaction structure is subjected to scheme optimization, and each reaction hole site is gradually and completely filled with the reaction solution through mechanical pressure, so that the problem of bubbles in the process of filling the hole sites with the reaction solution is effectively solved. In addition, the reaction device can be used under normal pressure, the vacuum degree in the device does not need to be kept, and the production and transportation cost can be reduced.
Owner:AUTOBIO LABTEC INSTR CO LTD
A method and apparatus for painting a motor winding
This application provides a method for dripping varnish onto a motor winding, comprising: placing the motor winding in a dripping process box; and dripping varnish onto the motor winding during a first time period t1, wherein the dripping is performed under negative pressure, or sequentially under negative pressure and positive pressure; during negative pressure dripping, the pressure inside the dripping process box is a negative pressure P1, which is less than 0.101 MPa; during positive pressure dripping, the pressure inside the dripping process box is a positive pressure P2, which is greater than or equal to 0.101 MPa. The negative pressure dripping step facilitates varnish penetration and reduces voids, while the positive pressure dripping further reduces varnish overflow and improves the filling rate.
Owner:XIAMEN TUNGSTEN CO LTD
Center cube layout method based on intelligent heuristic algorithm
ActiveCN121456937BHigh engineering feasibilityconform to the laws of physicsGeometric CADForecastingMathematical modelLayout
This invention relates to the field of 3D layout technology, specifically to a center cube layout method based on an intelligent heuristic algorithm, comprising the following steps: S1, determining the size parameters of the space to be laid out, the number of objects to be laid out, and the size parameters of each object to be laid out, setting layout constraints and preset goals; S2, constructing a mathematical model of the center cube layout problem, defining the layout state, envelope box, center cube, available space, and envelope box fill rate; S3, designing an intelligent heuristic algorithm, which is designed according to the available space calculation strategy, the available space cube selection strategy, and the object placement strategy; S4, based on the intelligent heuristic algorithm designed in S3, combined with the parameters of S1 and the mathematical model of S2, solving the center cube layout, outputting a layout scheme that satisfies the layout constraints and preset goals, thereby improving the engineering feasibility of the layout scheme.
Owner:QINGDAO UNIV OF SCI & TECH