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137results about How to "Increase the frequency of collisions" patented technology
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Methods for preparing graphene or graphene oxide
ActiveCN102701193AAvoid damageIncrease the frequency of collisionsMaterial nanotechnologyGrapheneGraphiteSolvent
The invention relates to methods for preparing graphene or graphene oxide, and belongs to the technical field of preparation of nanometer materials. A wet method comprises the following steps of: putting a carbon material, a magnetic steel needle grinding body and a solvent into a grinding container, and closing; putting the container into a space with a changing magnetic field, and peeling to obtain a mixture of graphite nanometer microchip-graphene; and separating the graphite nanometer microchip-graphene from a steel needle, settling, and performing centrifugal separation to obtain transparent suspension of the graphene. A dry method comprises the following steps of: putting a carbon material and a magnetic steel needle grinding body into a grinding container, and closing; and putting the container into a space with a changing magnetic field, and peeling to obtain mixture dry powder of graphite nanometer microchip-graphene. The methods have the characteristics of high collision frequency and grinding efficiency and short preparation time.
Owner:SHANDONG UNIV OF TECH
Method for oxidation sweetening of light-end products
InactiveCN101270299AIncrease the frequency of collisionsImprove the efficiency of oxidative desulfurizationPhysical/chemical process catalystsRefining with oxygen compoundsMolecular sieveHeteropoly acid
The invention relates to a method for oxidative desulfurization of light oil. In the technical proposal of the invention, 1.0 to 4.0 percent of hydrogen peroxide of the light oil by mass and 50 to 200 percent of heteropoly acid catalyzer solution of the light oil by volume are added in the light oil for reaction for 0.5 to 3 hours at room temperature of 100 DEG C under the condition of normal atmosphere before oil soluble concentrate is separated. The quantity of the heteropoly acid catalyzer in the heteropoly acid catalyzer solution is 0.5 to 2.0 percent of the light oil by mass; and microwave radiation is adopted for heating. In the invention, heteropoly acid is used as the oxidative desulfurization catalyzer of the light oil. The heteropoly acid has the structure of oxide and molecular sieve with acidity, oxidation, reducibility and good catalysis. Microwave radiation is adopted for heating instead of the traditional heating type, thus increasing the collision frequency of molecules, and significantly improving the efficiency of the oxidative desulfurization of light oil. In addition, the method has advantages of high efficiency, low consumption and gentle reaction condition.
Owner:WUHAN UNIV OF SCI & TECH
Method for preparing monodisperse polymer microspheres
InactiveCN102731698AStrong microscopic mixing propertiesStrong microscopic mixing properties effectively increase the frequency of molecular collisionsPolymer scienceUltracentrifuge
The invention relates to a method for preparing monodisperse polymer microspheres. The method comprises the following process steps: adding a dispersion medium with a stabilizing agent dissolved inside to an impinging stream reactor, heating the dispersion medium, adding a monomer with an initiating agent dissolved inside in one step, carrying out constant-temperature polymerization reaction, obtaining polymer microsphere emulsion after stopping cooling, then using an ultracentrifuge to carry out centrifugal sedimentation, adding absolute ethyl alcohol after removing supernatant, carrying out ultrasonic washing multiple times and drying the washed microspheres to constant weight, thus obtaining the monodisperse polymer microspheres. Compared with the prior art, the method has the following advantages: the prepared polymer microspheres have good apparent morphology, good smoothness and monodispersity and uniform grain sizes; the process is simple to operate; the grain sizes of the microspheres can be well controlled according to the formula; and the grain size range applicability is better.
Owner:WUHAN INSTITUTE OF TECHNOLOGY
Turbulent flow and chemical agglomeration coupling fine particle agglomeration device
ActiveCN106512633ASimple equipmentLarge operating areaGas treatmentAuxillary pretreatmentFlue gasEngineering
The invention relates to a turbulent flow and chemical agglomeration coupling fine particle agglomeration device. The device mainly and structurally comprises a flue gas inlet magnification section, a turbulent flow initial subsection, an atomization section, a vortex sheet turbulent section and an outlet shrinkage section. The flue gas inlet magnification section and the outlet shrinkage section are a smooth inlet and outlet, the turbulent flow initial subsection is provided with two-layer circular turbulent columns placed in a staggered mode, preliminary flow division is performed on particles in smoke, a dual-fluid atomization nozzle atomizes a mixed chemical agglomeration agent and sprays the mixed chemical agglomeration agent into a small-particle vortex region of an agglomeration room at the atomization section, the vortex sheet turbulent section is equally divided into differential regions by means of slabs, vortex sheets are placed into the differential regions for strengthening collision between fine particles and collision between atomization liquid drops and particles, fine particle agglomeration and growth are promoted, and then the fine particle removal efficiency of follow-up dust removal equipment is improved.
Owner:QINGDAO UNIV
Cooperative drinking water purifying method and equipment combining active carbon fiber and electrodynamic process
InactiveCN1403383AGrowth inhibitionAchieve inactivationWater/sewage treatment by magnetic/electric fieldsEnergy based wastewater treatmentFiberCarbon fibers
The present invention relates to the method and equipment for purifying drinking water. Electric field is applied to active carbon fiber filtering material, so that current will flow directly through active carbon fiber filtering material while water to be purified flows through the active carbon fiber filtering material, and under water is thus purified under the action of both electric field and flow field. Owing to the collision between pollutant and bacteria with active carbon fiber and direct current action on bacteria to destroy the cell membrane structure, the said method of the present invention can inhibit the growth of the bacteria and kill bacteria without throwing antiseptic.
Owner:TSINGHUA UNIV
Solar concentrator
InactiveUS8664515B2Superior light-collecting abilityIncrease rangeSolar heating energySolar heat devicesPhotoelectric conversionEngineering
A solar concentrator is described. The solar concentrator includes a plane including a plurality of concentrating elements, wherein each concentrating element includes a hollow taper including a first opening; and at least one photoelectric conversion layer covering inner side surfaces of the concentrating elements.
Owner:NAT CHENG KUNG UNIV
Photoresist stripper using nitrogen bubbler
InactiveUS6911097B1Efficient strippingIncrease the frequency of collisionsHollow article cleaningSemiconductor/solid-state device manufacturingResistNitrogen
Provided is a process and apparatus characterized by a gas distribution plate in which a gas supply manifold directs gas bubbles from the bottom of a process tank upward and between wafers contained in a cassette and supported therewithin. This improved method and apparatus is used for effectively stripping photoresist from the larger semiconductor wafers having dense top conductive patterns with protuberant sidewalls. The method provides a scrubbing action that is parallel to the device array being formed on the wafer's surface. Broadly stated, the method of a chemical action on large substrates supported adjacent respective edge portions thereof in a carrier includes submerging the carrier and substrates supported thereby in a process tank containing a liquid chemical, and a gas distribution plate disposed on the bottom of the tank for directing gas bubbles upward and parallel to the surfaces of each substrate contained in the carrier to ensure that a uniform chemical action occurs.
Owner:TAIWAN SEMICON MFG CO LTD
Solar concentrator
InactiveUS20100229920A1Superior light-collecting abilityIncrease rangeSolar heating energySolar heat devicesPhotoelectric conversionEngineering
A solar concentrator is described. The solar concentrator includes a plane including a plurality of concentrating elements, wherein each concentrating element includes a hollow taper including a first opening; and at least one photoelectric conversion layer covering inner side surfaces of the concentrating elements.
Owner:NAT CHENG KUNG UNIV
Gas diffusion electrode and preparation and application thereof
ActiveCN105576264AEasy to prepareEasy to implementCell electrodesConductive polymerMicroscopic scale
A gas diffusion electrode includes a gas diffusion layer and a catalytic layer; the catalytic layer is composed of conductive polymer nanorods and a catalyst attached onto the conductive polymer nanorods; the conductive polymer nanorods in the catalytic layer is vertically grown on the surface of carbon powder particles of a microporous layer in situ to form a sea urchin-shaped structure in microscopic scale; the catalyst is attached onto the surface of the conductive polymer nanorods. Preparation of the gas diffusion electrode includes the steps: (a) preparation of the gas diffusion layer; (b) preparation of the conductive polymer nanorods; and (c) preparation of the catalytic layer. Compared with the prior art, the gas diffusion electrode has a certain network structure formed while the catalyst dispersion effect and the utilization rate are improved; compared with an array ordering structure completely vertical to a basal layer, the network structure enables the collision frequency of gas molecules and the catalyst to be increased; the MEA assembled by the gas diffusion electrode has the battery performance improved when having the same catalyst loading amount. The preparation method is simple and easy to implement and is suitable for mass production. The gas diffusion electrode produced by batch has relatively good consistency.
Owner:DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI
Device for processing molecular clusters of liquid to nano-scale
InactiveUS20100202247A1Increase frequency of collisionsReduce amountShaking/oscillating/vibrating mixersRotary stirring mixersMolecular clusterEngineering
A device for processing molecular clusters of a liquid to nano-scale is provided and includes a stirring chamber having a hexagonal (or octagonal) column space; a plurality of first stirring modules, each of which has at least one first stirring blade having a left-handed swastika shape (or right-handed swastika shape) for pushing a liquid to flow; and a plurality of second stirring modules, each of which has at least one second stirring blade having a right-handed swastika shape (or left-handed swastika shape) for pushing the liquid to reversely flow. Thus, molecular clusters of the liquid are collided with each other under a condition with high temperature, high pressure and high stirring speed, until the particle diameter of the molecular clusters is reduced to a nano-scale.
Owner:SHENNONGSHIN NANOTECH
Method for manufacturing dimers and multimers by increasing the production of bond bridges in a complex of multiple monomers and repeating chains of an adherend of a type specifically adhering to monomers
InactiveUS20120259099A1Improve bindingHigh yieldPeptide/protein ingredientsPeptide preparation methodsMonomerBinding protein
The present invention relates to a method for manufacturing multimers by making repeat chains comprising repeatedly linked affinity domains binding specifically to monomers, and by using the same to create a repeat chain / multiple-monomer complex created from the repeat chains and multiple number of monomers, thereby facilitating the formation of bond bridges between the monomers in the complex to produce inter-monomeric bond bridged multimer.The present invention relates to a method for manufacturing multimers by making repeat chain recombinant proteins resulting from the repeated linking affinity domain proteins binding specifically to protein monomers, and by using the same to create a repeat chain / multiple-monomer complex created from the repeat chains and multiple number of monomers, thereby facilitating the formation of bond bridges between the monomers in the complex to produce inter-monomeric bond bridged multimer.
Owner:CHOE MUHYEON
Efficient dust removal device for dust treatment
InactiveCN108295563ACleverly structuredReasonable arrangementDispersed particle filtrationTransportation and packagingEngineeringSieve
The invention discloses an efficient dust removal device for dust treatment. The device comprises a casing, wherein an air inlet pipe is arranged in the middle of the left side of the casing, an air inlet cover is arranged at the end part of the outer side of the air inlet pipe, a suction fan is arranged on the air inlet pipe, a clean air bin is arranged at the top in the casing, a vertical sleeveis arranged at the bottom of the clean air bin in the casing, the top end of the vertical sleeve is communicated with the clean air bin, an arc sieve is arranged at the bottom end of the vertical sleeve and embedded at the bottom end of the vertical sleeve, an opening of the arc sieve faces downwards, a sieve clearing mechanism is arranged on the lower side of the arc sieve, a collecting tank isarranged at the bottom in the casing, a discharging mechanism is arranged in the position, corresponding to the collecting tank, of the bottom of the casing, and the right side of the clean air bin isconnected with an air outlet. The efficient dust removal device for dust treatment realizes efficient dust treatment and can automatically clear a filtering sieve, improve the filtering effect of thesieve and further improve the dust discharging effect.
Owner:TIANJIN KECHUANG FUXIN TECH CONSULTING CO LTD
Device for preparing flocculant
ActiveCN108465432AEasy to integrateAvoid the problem of not being easy to stirTransportation and packagingDissolving systemsEngineeringEddy current
The invention discloses a device for preparing a flocculant. The device comprises a spiral conveying device, a hydrocyclone, a stirring device and a water purification device; the spiral conveying device conveys quantitative flocculant powder to the hydrocyclone at a uniform speed, eddy current is formed in the hydrocyclone, after being sufficiently mixed with water at a uniform speed in advance,the flocculant powder enters the stirring device to be stirred, and the problems are solved that the manual material adding speed is not uniform, and caking is easily caused when the flocculant powderis not sufficiently mixed in advance; the water is treated through the water purification device, and fine particles in tap water can be reduced, so that the fusing effect of the flocculant is better; a roller is driven by a gear to rollably rotate. On one hand, the problems of an existing stirring mode are solved that flocculant solid sinks at the bottom of a dissolving tank and is not easily stirred; on the other hand, the collision frequency of the flocculant powder and the water is increased by rolling and rotation, and the stirring effect is good.
Owner:PANZHIHUA UNIV
Platinum monatomic hydrogen oxidation reaction electrocatalyst based on reactant enrichment and preparation method thereof
ActiveCN113373475AHigh catalytic activityImprove catalytic stabilityElectrodesPtru catalystPhotochemistry
The invention belongs to the technical field of electrocatalysts, and discloses a platinum monatomic hydrogen oxidation reaction electrocatalyst based on reactant enrichment and a preparation method thereof. The platinum monatomic hydrogen oxidation reaction electrocatalyst is a hollow core-shell structure electrocatalyst which is composed of monatomic distribution noble metal as a catalytic activity center and a porous nitrogen-doped hollow carbon shell, and has the noble metal loading capacity of 1-12%. The Pt1@PNC catalyst is finally prepared by preparing a Ptx < + > / SiO2 intermediate and a Pt1 / SiO2@PNC intermediate. The preparation method disclosed by the invention is simple and convenient to operate and low in cost. The metal platinum in the prepared Pt1@ PNC catalyst is in a monatomic state and is uniformly distributed on the inner surface of the PNC, so that the adsorption and oxidation rate of hydrogen on the surface of a Pt1 active center is improved, and the Pt1@PNC catalyst shows excellent hydrogen oxidation reaction activity and stability under a relatively low potential. The catalyst is suitable for being applied to electro-catalytic hydrogen oxidation reaction and hydrogen evolution reaction as a catalyst.
Owner:中国人民解放军空军勤务学院
Method for preparing superfine flaky zinc-containing alloy powder by wet ball milling as well as product and application of superfine flaky zinc-containing alloy powder
ActiveCN110508825AGood dispersionIncrease the frequency of collisionsTransportation and packagingMetal-working apparatusFiltrationSlurry
The invention discloses a method for preparing superfine flaky zinc-containing alloy and an application of the superfine flaky zinc-containing alloy. Spherical atomized zinc-containing alloy powder, aball milling solvent, a grinding aid, a ball milling medium and a dispersant are added to ball milling tank in proportion, and the materials are subjected to wet ball milling under heating and temperature control conditions; and obtained ball-milled slurry is subjected to filtration, ultrasonic cleaning, rinsing and drying in sequence, and flaky zinc-containing alloy powder is obtained, wherein the flake diameter range of the powder is 8-20 micron, the radius-to-thickness ratio is (30-50):1, and the apparent density is 0.85 g / cm<3>-0.95 g / cm<3>. The prepared superfine flaky zinc-containing alloy powder has high flaky degree, high radius-to-thickness ratio, high covering power, smooth surface, low oxidation degree and good particle size distribution, and can be applicable to the productionfields of waterborne Dacromet coatings, inorganic waterborne zinc-rich aluminum paint and waterborne heavy anti-corrosion coatings with different specification requirements after treatment and classified screening.
Owner:湖南昊宏新材料科技有限公司
Confined vortex flow reactor and application thereof to preparation process of Me-SAPO-34 molecular sieve
ActiveCN104353404AEnhanced mixing processIncrease the frequency of collisionsChemical/physical/physico-chemical stationary reactorsMolecular-sieve and base-exchange phosphatesMolecular sieveChemical physics
The invention inventively provides a confined vortex flow reactor and application thereof to a preparation process of a Me-SAPO-34 molecular sieve. The confined vortex flow reactor comprises a multi-stage reaction channel with the shape similar to an apron, wherein the width of the multi-stage reaction channel decreases continuously or in a stepping way from the top to the bottom; two side surfaces forming the multi-stage reaction channel can move relatively. When the confined vortex flow reactor implements forcible mixing of particles in a molecular level, the time scale is reduced to a millisecond level, so that the Me-SAPO-34 molecular sieve structure with a more regular structure, a smaller size and narrower particle size distribution can be prepared; the confined vortex flow reactor is especially applicable to needs of industrial production of a catalyst.
Owner:CHINA TIANCHEN ENG +1
Radio frequency focusing enhanced vacuum ultraviolet mass spectrometry ionization source
ActiveCN108091540AImprove transmission efficiencyIncreased chance of reactionStability-of-path spectrometersElectron/ion optical arrangementsReaction rateUltraviolet
The invention relates to a mass spectrometry instrument, in particular to a focusing enhanced ultraviolet ionization source based on a radio frequency segmented quadrupole rod for mass spectrometry. The ultraviolet ionization source specifically comprises an ionization source cavity, a vacuum ultraviolet lamp, a repulsion electrode, a gas injection tube, a segmented quadrupole rod and a differential electrode. The ionization source uses the quadrupole rod to improve the ion collision frequency at medium pressure. Therefore, the focusing and other properties are enhanced, the transmission efficiency of ions and the probability of molecular-ion reaction are improved, the ionization efficiency of the vacuum ultraviolet ionization source is enhanced, and the sensitivity of the instrument is greatly improved. Meanwhile, by introducing a segmented structure, a suitable axial electric field can be controlled, the reaction rate and dissociation can be controlled, and the selectivity of the ionization source can be improved.
Owner:SHENZHEN BREATHA BIOTECHNOLOGY CO LTD
Self-cleaning control method, self-cleaning control device, air conditioner and storage medium
ActiveCN109974195ASatisfy cleanlinessFulfil requirementsMechanical apparatusSpace heating and ventilation safety systemsWater storageWater storage tank
The invention provides a self-cleaning control method, a self-cleaning control device, an air conditioner and a storage medium. The self-cleaning control method comprises the following steps: acquiring state information of a humidifying state, and detecting whether state information is matched with a preset cleaning condition or not; and if the detected state information is matched with the presetcleaning condition, triggering to start a cleaning part to operate, thereby performing cleaning operation on a water storage tank. The steps of the self-cleaning control method are reasonably set, sothat clean operation can be performed on the water storage tank to clear dirt and impurities inside the water storage box, and therefore, the self-cleaning purpose of the humidifying device is realized, cleanliness of the water storage box is favorably improved, clean and sanitary liquid storage requirements needed when an air conditioner performs a humidifying mode are met, and safety in a usingprocess of the user is favorably improved while the humidifying device is guaranteed to normally operate.
Owner:GD MIDEA AIR-CONDITIONING EQUIP CO LTD +1
Repeat-chain for the production of dimer, multimer, multimer complex and super-complex
ActiveUS20130323717A1Improve curingCuringAntibody mimetics/scaffoldsMicrobiological testing/measurementHeavy chainBinding domain
The present invention relates to a method for manufacturing multimers by making repeat-chains comprising repeatedly linked affinity domains binding specifically to monomers, and by using the same to create a repeat-chain / multiple-monomer complex created from the repeat-chains and a multiple number of monomers, thereby facilitating the formation of bond bridges between the monomers in the complex to produce inter-monomeric bond bridged multimer.The present invention relates to a super-complex prepared by cross-binding between repeat-chain / multiple-monomer complexes, and a method for amplifying the effect of monomer through the formation of the said super-complex. Particularly, the repeat-chain / multiple-monomer complex is prepared by containing repeat-chains of binding domain having binding specificity to monomers as active ingredients, and then the super-complex is prepared by cross-binding between such complexes.
Owner:CHOE MUHYEON
Efficient vertical agitating ball mill for cemented carbide production and manufacture
ActiveCN109201214AQuick grindingImprove grinding efficiencyGrain treatmentsElectric machineryEngineering
The invention discloses an efficient vertical agitating ball mill for cemented carbide production and manufacture. The efficient vertical agitating ball mill comprises a grinding outer cylinder, a machine cylinder is installed at the upper end of the grinding outer cylinder in a disassembled mode, and a cylinder cover is tightly arranged at the upper end of the machine cylinder in a covered mode.An electric rotating machine is vertically and fixedly mounted at the center of the top surface of the inner side of the cylinder cover, a mounting bracket is mounted on an output shaft at the lower end of the electric rotating machine, and a conductive arc is mounted at the end, away from the electric rotating machine, of the mounting bracket. The efficient vertical agitating ball mill has the beneficial effects that the efficient vertical agitating ball mill for cemented carbide production and manufacture can realize fast and efficient grinding of cemented carbide powder, has high grinding efficiency, can achieve a better grinding effect without long-time grinding, and has good practicability.
Owner:蓬莱市超硬复合材料有限公司
Light-controlled water-fertilizer integrated intelligent irrigation system for vegetable cultivation
InactiveCN110366924AMove fastFast dissolutionPressurised distribution of liquid fertiliserWeighing apparatus for materials with special property/formWater flowDrip irrigation
The invention belongs to the technical field of agricultural equipment, and particularly relates to a light-controlled water-fertilizer integrated intelligent irrigation system for vegetable cultivation. The light-controlled water-fertilizer integrated intelligent irrigation system comprises a drip irrigation main pipe, a branch pipe, a return pipe, a water wheel chamber, a water wheel, a crushingbucket, a filter screen, a crushing knife, a hopper, a feeding tube, an electronic scale and a solenoid valve. The water wheel chamber is formed above the drip irrigation main pipe, and the branch pipe is communicated to the tangential direction of the side face of the water wheel chamber. The other end of the branch pipe is communicated with the drip irrigation main pipe. The bottom of the waterwheel chamber is communicated with the drip irrigation main pipe through the return pipe. The water wheel is rotatably connected into the water wheel chamber. The crushing bucket is fixedly connectedabove the water wheel chamber. The crushing knife is rotatably connected into the crushing bucket. The electronic scale is fixedly connected above the crushing bucket through a support. The hopper isarranged above the electronic scale. The water wheel and the crushing knife in the water wheel chamber are pushed to rotate through water flows, fertilizer is crushed and mixed by the rotating crushing knife in the crushing bucket before flowing into the water wheel chamber, the particle diameter of the mixed fertilizer is reduced, and the dissolution speed of the fertilizer in the water wheel chamber is increased.
Owner:杭州市临安区农林技术推广中心
Apparatus and method for sputtering target debris reduction
InactiveUS20100025229A1Facilitate sputter coatingReduce the amount requiredCellsElectric discharge tubesSputteringMetallurgy
Certain example embodiments relate to techniques for reducing the amount of debris being formed on the surface of planar sputtering targets. More particularly, a coating may be applied to the sputtering material in areas where sputtering substantially does not occur (typically inside and outside of a racetrack) in certain example embodiments. The coating optionally may be cured. In certain example embodiments, the coating may be include inorganic materials or materials that resist decomposition in a severely oxidizing environment, and / or are electrically non-conductive materials. For example, the coating may be a cured-form sol-gel comprising, for example, silicon oxide, titanium oxide, and / or the like. The coating substantially encapsulates the target material where sputtering substantially does not occur, thus reducing the amount of debris that is created during sputter coating.
Owner:GUARDIAN GLASS LLC
Flue gas desulfurization and dust removal method and device
InactiveCN105642097AExtension of timeHigh frequencyGas treatmentUsing liquid separation agentFlue gasEngineering
The invention provides a flue gas desulfurization and dust removal method and device. The device comprises a desulfurization tower (1), wherein the internal space of the desulfurization tower (1) is divided into an upper bin (2), a middle bin (3) and a lower bin (4) which are closed relative to one another from top to bottom through a first partition board (5) and a second partition board (6), a flue gas discharge outlet (21) is formed in the top of the upper bin (2), and a demisting device (22) is arranged in the upper bin from top to bottom; the middle bin (3) is provided with a flue gas inlet (31) used for leading flue gas to be processed into the desulfurization tower, at least one flue gas channel (32) is arranged in the middle bin (3) to be used for communicating the upper bin (2) with the lower bin (4), and a sprinkling device (33) is arranged on the top in the middle bin (3); a liquid storage container (41) used for storing flue gas desulfurization agent solution is arranged on the bottom of the lower bin (4), and the second partition board (6) between the middle bin (3) and the lower bin (4) is provided with at least one scattering pipe (42), and the scattering pipes (42) are communicated with the middle bin (3) and the lower bin (4).
Owner:CHINA UNIV OF PETROLEUM (BEIJING)
Method for authenticating truth or falsity of polyurethane water-borne wood paint on the basis of nonlinear fingerprint graph
ActiveCN109556932AGuaranteed demulsification effectPromote stratificationPreparing sample for investigationMaterial analysis by electric/magnetic meansEmulsionReduced properties
The invention belongs to the technical field of water-borne wood paint authentication, and particularly relates to a method for authenticating the truth or falsity of polyurethane water-borne wood paint on the basis of a nonlinear fingerprint graph. A water-borne wood paint sample is subjected to preliminary treatment to quicken the layering of sample emulsion, so that an organic phase and an inorganic phase are fully separated, and an emulsion breaking effect on samples is guaranteed; the method is convenient for subsequent detection; if acrylic acid water-borne wood paint is doped in the polyurethane water-borne wood paint, during detection, acrylic acid emulsion subjected to acidolysis in sulfuric acid solution generates acrylic acid with reducing properties; and the above products aremixed in a B-Z vibration system consisting of H+, BrO3, Mn2+ and acrylic acid, a sample to be authenticated and a standard sample are compared according to the extraction characteristic parameters ofthe nonlinear fingerprint graph, and the variety as well as the truth or falsity of the sample to be authenticated can be authenticated according to an integral similarity. In addition, the method hasthe advantages of being good in reproducibility, short in operation time, economic and the like, and is suitable to be widely prompted and applied in authentication fields of the polyurethane water-borne wood paint.
Owner:HANDAN COLLEGE
Electric flocculation membrane bioreactor
InactiveCN103539323AImprove efficiencyImprove nitrogen and phosphorus removal efficiencyMultistage water/sewage treatmentActivated sludgeCell activity
The invention discloses an electric flocculation membrane bioreactor comprising a reactor body, wherein a contact oxidation tank, a settling tank and a membrane biological reaction tank are arranged in the reactor body; a contact oxidation aerator and soft fillers are arranged in the contact oxidation tank, the membrane biological reaction tank is communicated with a filtration membrane group, the membrane extraction water outlet of the filtration membrane group is communicated to a pure water discharge pipe, a sewage input pipe is further arranged on the reactor body, at least one group of positive and negative flocculation electrodes is arranged in the reactor body, and the positive and negative flocculation electrodes are electrically connected with an electric flocculation power supply; the contact oxidation tank, the settling tank and the membrane biological reaction tank are mutually communicated in sequence, and a precipitate return pipe is arranged in the settling tank and / or the membrane biological reaction tank. The electric flocculation membrane bioreactor disclosed by the invention can not only effectively reinforce the aggregation state of activated sludge, but also improve the cell activity of the sludge bacteria, enhance the deoxidation and dephosphorization effects, alleviate the membrane pollution and improve the flux and prolong the service life of the membrane, thereby being capable of being widely applied in treatment of various of sanitary sewage.
Owner:DONGTAI CITY DONGFANG MARINE FITTING
Waterless airborne-dust processing apparatus used for building engineering
InactiveCN108211625AIncrease the collision areaIncrease the frequency of collisionsCombination devicesWater resourcesArchitectural engineering
The invention discloses a waterless airborne-dust processing apparatus used for building engineering. The waterless airborne-dust processing apparatus comprises a housing, and has an ingenious structure to realize waterless processing, a water resource is saved, airborne dust on a building construction place is sucked in a purifying bin by a suction fan through an air-supply pipe, an electrostaticprecipitation net is arranged at the bottom of a material discharge canister, fine airborne dust particles are sucked in a suction housing, the large airborne dust particles in the housing are bumpedwith a sidewall of a dedusting pipeline in the purifying bin and then fall into a material-collection groove and are introduced into the material discharge canister, and then are discharged from thedischarge mechanism in the material discharge canister, dedusting efficiency is high, the dedusting pipeline is set as an U shape, a bump area of the airborne dust particles is increased, the airbornedust is introduced into the dedusting pipeline and then is intercepted, the intercepted airborne dust passes through a material-guiding pipe and then is introduced into a storage bin, the dedusting effect is increased, a heating wire at a flow deflector outside the dedusting pipeline is energized for heating air in the housing, the bump frequency of the airborne dust in air and the outer wall ofthe dedusting pipeline is increased, and the dedusting effect is increased.
Owner:郑东亮
Inverse micelle method in use for degrading cellulose
InactiveCN1696158AIncrease the frequency of collisionsHigh catalytic efficiencyFermentationPhosphoric acidCellulase
An anti-micellar method for degradating cellulose includes dissolving cellulase in buffering liquid, preparing the organic solution of surfactant, mixing them together, adding microcrystalline cellulse, phosphoric acid buffering liquid and extractant, strong waving, centrifugal layering, and taking the upper soluiton, laying to obtain glucose solution.
Owner:WUHAN UNIV
Method for controlling molecular weight of linear polyphosphazene intermediate
InactiveCN108299648AIncrease the number ofIncrease the frequency of collisionsPolyphosphazeneReaction temperature
Owner:BEIJING UNIV OF CHEM TECH
Flotation apparatus and flotation process
ActiveCN103313796AIncrease incomeIncrease the frequency of collisionsFlotationSlurryWaste management
The invention relates to a flotation apparatus with a flotation chamber (2) having a side wall and a base (9), a stirrer (3), a sparging device (3) associated with the stirrer, a first foam-collecting device (5) arranged in an upper region of the flotation chamber for a foam product formed in the course of flotation, and a charge line (6) for charging the flotation chamber with slurry, wherein the charge line opens into the flotation chamber at a point (19) above the stirrer and an ejector (7)is present in the charge line. The invention also relates to a flotation process which is performed in two stages within a flotation chamber (2) of a flotation apparatus (1), wherein an ejector (7) is used in a first flotation stage and a stirrer (3) in a second flotation stage.
Owner:PRIMETALS TECH GERMANY
Stainless steel wire cut shot rounding machine and rounding method
ActiveCN103991037AReduce collision lossIncrease the frequency of collisionsAbrasive feedersAbrasive machine appurtenancesMetallurgyStainless steel wire
The invention discloses a stainless steel wire cut shot rounding machine and a rounding method, wherein the rounding machine comprises a shot blasting chamber and shot blasters arranged on the shot blasting chamber; the shot blasting chamber is internally provided with a protective plate. The stainless steel wire cut shot rounding machine is characterized in that the three shot blasters are respectively a first shot blaster, a second shot blaster and a third shot blaster, when the first shot blaster and the second shot blaster blast from top to bottom; the third shot blaster blasts from right to left; the blasting lines of the three shot blasters are crossed in one area which is a cut shot collision area; the shot blasting chamber is internally provided with an oblique protective plate below the short blasters, and the oblique protective plate is high in left end and is low in right end; projection is carried out along the normal direction perpendicular to the oblique protective plate, so that the cut shot collision area projects at the middle part or the middle upper part of the oblique protective plate. The stainless steel wire cut shot rounding machine and the rounding method, which are provided by the invention, are high in rounding efficiency, and the equipment loss is low.
Owner:山东开泰工业科技有限公司
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