237 results about "Wetting" patented technology

The present application discloses an efficient stirring device 100, which includes a stirring tank body 101 forming an inner tank space to accommodate a mixture of powder materials and liquid materials; a stirring paddle103 and a stirring main shaft 104, at least a portion of which is disposed within the inner tank space and rotates around a central axis; a stirring motor 105; and the efficient stirring device further includes: a plurality of scraping members 101 rotatably disposed within the inner tank space to scrape off the mixture adhering to the inner wall of the stirring tank body when rotating on their own axes; a plurality of transmission shafts 107, at least a portion of which is disposed within the inner tank space; a power main shaft 108 for driving the transmission shafts to rotate on their own axes and to revolve around the central axis; and a scraping motor 109 for driving the scraping main shaft to rotate. Among them, the scraping members are connected to the transmission shafts in a non-rotating manner to move with the transmission shafts, and the transmission shafts are disposed parallel to the power main shaft. The advantage of the present application is that it provides an efficient stirring device that improves the wetting efficiency by disposing scraping members within the inner tank space that rotate on their own axes and revolve to scrape off the mixture adhering to the inner wall of the stirring tank body.

The invention belongs to the field of oil and gas exploitation, geothermal exploitation and deep ground engineering, and discloses an oil and gas shaft crack plugging pressure repair material and method based on microwave heating bismuth-based alloy, the material comprises 74%-86% of bismuth-based alloy powder, 10%-15% of Fe3O4-SiO2 core-shell magnetic particles, 3%-8% of a microwave sensitizer and 1%-3% of a wetting agent. The repairing material is conveyed to the position, where shaft crack plugging repairing needs to be conducted, in the oil and gas shaft, then the repairing material is melted in a microwave heating mode, then the melted alloy is filled in shaft crack plugging, and then a rotating gradient magnetic field is used for repairing the oil and gas shaft crack. And the liquid alloy is driven to directionally migrate to a target crack area along the magnetic line, and after alloy liquid is cooled and solidified, pressure repairing of the oil and gas shaft crack plugging target position is achieved. Precise positioning, efficient filling, phase change control and complete recovery of the repairing material can be achieved in the extremely deep environment, and therefore the high-quality repairing requirement for oil and gas shaft crack plugging pressure repairing achieved through efficient liquefaction of plugging metal can be met.

The invention discloses a nicosulfuron-containing herbicidal composition and application thereof. The herbicidal composition is prepared from the following components: nicosulfuron, amicarbazone, and dimethyltetrachloroisooctyl ester as well as a dispersant, an emulsifier, a wetting agent, a thickening agent, an antifreeze, and a dispersion medium, wherein the dosage form belongs to a dispersed oil suspension agent. Through the combination of the three active ingredients, the herbicidal composition has an obvious synergistic effect, the use amount of pesticides is reduced, the cost and environmental pollution are reduced, the drug resistance of corn field weeds can be delayed by the application of the composition, and the control spectrum is expanded.

The application discloses a kind of high-stability two-phase colloidal ceramic ink material and preparation method and application thereof, the two-phase colloidal ceramic ink material is composed of ceramic colloidal suspension, polymer colloidal suspension, additive, the ceramic colloidal suspension is composed of ceramic, solvent, dispersing agent, binder;The polymer colloidal suspension is composed of water, surfactant, rheological modifier, colloidal stabilizer.The two-phase colloidal ceramic ink material provided in the application, ceramic powder colloidal suspension and polymer colloid two phases mutually adsorb and combine, and by surfactant adjust the wetting of polymer colloid on the surface of ceramic particle and the thickness and area of adsorption layer, form the micro colloidal structure of ceramic particle wrapped by polymer colloid and have excellent stability, can be stably stored at normal temperature for 3 months and above without the change of rheological property, and can be consistently formed process condition stable printing after 3 months.

The invention discloses an antistatic ABS material antistatic performance detection and analysis system, and relates to the ABS material antistatic performance detection technology field, and the method comprises the following steps: generating a steady state relative humidity set point sequence at a set temperature, using 60 DEG C gloss and white light interference to quantify surface roughness, and calculating an effective contact area amplification amount; calculating the adsorption wet film coverage based on the contact angle spectrum constant; carrying out four-probe measurement under different electrode relative orientation angles in double processes of humidifying and dehumidifying, and extracting a humidifying threshold value, a dehumidifying threshold value and a lag ratio; and calculating a collaborative percolation threshold index according to the effective contact area amplification amount, the adsorption wet film coverage degree, the direction factor of threshold inversion and the critical connection degree, and giving a passing conclusion of a target humidity interval. According to the method, stable positioning and reliable release judgment of the threshold value of the antistatic ABS material can be realized.

This invention discloses a precision grinding process for machining the shaft of a swimming pool pump motor, relating to the field of shaft precision grinding technology. The process includes: Step 1: Establishing an incident window using a coherent jet nozzle, allowing the jet to penetrate the air gap into the grinding zone, first wetting and then introducing the load, and recording the incident window, jet posture, and dressing rhythm as working condition metadata; Step 2: After precision grinding, according to the material type, magnetic noise is used for ferromagnetic steel and X-ray diffraction is used for austenitic steel to obtain thermal damage and residual stress, and combining this with cleanliness to generate a surface integrity label and bind it to the working condition metadata; Step 3: Performing deionized ultrasonic cleaning and rinsing according to the label to remove chloride salts and free iron, rebuilding the passivation film according to specifications using chemical passivation, controlled drying, and clean sealing; Step 4: Under the premise of qualified chemical condition, performing isotropic ultra-finishing and low-plasticity rolling on the sealed working zone to form surface compressive stress and maintain geometric tolerances, quickly indicating inspection and writing back the label.

The invention discloses a hollow fiber composite membrane and a preparation method thereof, and the method comprises the following steps: a pre-wetting step: wetting a hollow fiber membrane base material by using a pre-wetting liquid, so that the pre-wetting liquid occupies the pore structure of the hollow fiber membrane base material; a middle layer forming step: filling and coating the inner surface of the pre-wetted hollow fiber membrane base material with a middle layer membrane casting solution, and blowing to form a middle layer membrane casting solution membrane; curing the middle layer membrane casting liquid membrane to form a middle layer; a selection layer forming step: filling and coating the inner surface of the middle layer with a selection layer membrane casting solution, and blowing to form a selection layer membrane casting solution membrane; and curing the selection layer casting liquid membrane, and forming a selection layer on the inner surface of the hollow fiber membrane base material.

An anode apparatus for mounting on an external surface of a concrete structure to provide cathodic protection of metal members in the concrete uses a pre-assembled body which is typically elongate carrying a longitudinal anode, which can be sacrificial or impressed current, together with a supporting material having a front face for attachment to the surface and an impermeable plastic covering material at the rear face covering the anode and the supporting material when the front face is attached to the surface of the concrete. A channel defined on the front face is arranged to receive a layer of a conformable ionically conductive adhesive material for attachment to the external surface. A distance of the edge of the covering material is arranged to be similar to a distance of the metal from the external surface such that wetting and drying effects of environmental moisture are the same for the anode as for the metal components. 20 25 20 17 30 11 M ar 2 02 5 A B S T R A C T 2 0 2 5 2 0 1 7 3 0 1 1 M a r 2 0 2 5 m a t e r i a l w h e n t h e f r o n t f a c e i s a t t a c h e d t o t h e s u r f a c e o f t h e c o n c r e t e . A c h a n n e l

The application discloses an anti-burst and high-anti-falling water-based transfer adhesive as well as a preparation method and application thereof. The water-based transfer adhesive comprises the following raw materials in parts by weight: 29-43 parts of a silicon-modified styrene-acrylic emulsion, 34-52 parts of a water-based butadiene-styrene emulsion, 0.3-1 part of cellulose nanofiber, 15-26 parts of deionized water, 0.1-1 part of a wetting agent, 0.1-1 part of a leveling agent and 0.05-0.9 part of a defoaming agent. The water-based transfer adhesive provided by the application has excellent anti-burst and anti-sticking properties and good adhesion.

The invention discloses a gradient wettability Janus ceramic membrane and a preparation method and application thereof.The preparation method comprises the steps that firstly, a porous ceramic substrate with double hydrophilic main surfaces is taken, one main surface of the porous ceramic substrate is treated with a solution containing a hydrophobic modifier (not making contact with the other main surface), then a photocatalyst is loaded on the treated surface, at least three continuous subareas are divided, and the gradient wettability Janus ceramic membrane is obtained; activating radiation of different time lengths is applied to all the sub-areas to form gradient wettability areas with the water contact angles gradually changing in the preset direction, and finally the photocatalyst is removed and dried; the obtained membrane is of an asymmetric structure, one side of the membrane has precisely regulated gradient wettability, the other side of the membrane is kept hydrophilic, when the membrane is applied to scenes such as carbon capture regeneration gas waste heat recovery, the surface wettability of the membrane can be precisely matched with on-way local thermodynamics and concentration environment, heat and mass transfer can be enhanced, surface self-cleaning can be achieved, the performance of the membrane is superior to that of a traditional membrane, and the energy-saving and consumption-reducing potential is large.

The application discloses a novel anti-cavitation surface structure and a preparation method thereof. The anti-cavitation surface structure can change the wetting degree of a material surface, reduce gas nuclei near a liquid-solid contact surface, inhibit cavitation and cavitation erosion processes, and also reduce the damage of micro-jets to the material in the cavitation erosion process. The anti-cavitation surface structure layer is composed of a surface construction layer and a substrate. The working mechanism is as follows: firstly, the construction can change the wetting degree of the material surface, so that the gas nuclei near the liquid-solid contact surface are reduced, thereby slowing down the cavitation and cavitation erosion processes; secondly, the incident kinetic energy of the micro-jets in the effective construction area is consumed in the form of friction, thereby reducing the damage of the micro-jets to the material substrate. The application can effectively slow down the cavitation erosion process, weaken the influence of the micro-jets on the material substrate in the cavitation erosion process, and effectively resist the damage of the cavitation erosion to the material surface.

The application discloses a kind of powder alloy for preparing diesel rocker arm seat and a preparation method thereof, and belongs to the technical field of alloy material preparation, to solve the technical problems that the flowability and particle size uniformity of the powder alloy for preparing diesel rocker arm seat in the prior art need to be further improved;The present application uses iron-based main powder as the matrix, by introducing wetting auxiliary powder, titanium-based reinforcing powder and iron-molybdenum co-doped boron phosphorus microspheres to construct a multi-component premixed gold powder system, wherein the wetting auxiliary powder improves the interface adaptation and contact state between particles, the titanium-based reinforcing powder participates in the construction of the organizational framework and enhances the continuity of load transmission, and the iron-molybdenum co-doped boron phosphorus microspheres adjust the particle bonding area and pore evolution process, thereby synergistically improving the mixing stability, mold consistency and subsequent sintering organizational continuity of the premixed gold powder.

The invention provides a method for analyzing the wetting behavior of a liquid drop on a rough solid surface under the action of an electric field, and the method comprises the following steps: S1, building an initial simulation system and a simulation model based on a research and information collection result; s2, configuring operation parameters of the simulation model, and executing simulation calculation; s3, in the molecular dynamics simulation process, applying electric fields with different intensities, and monitoring the state change of the simulation system until the simulation system reaches dynamic balance; and S4, exporting the calculation data in the dynamic balance state, and carrying out visualization processing and data analysis on the calculation data to summarize the internal law of the calculation data. Influences of electric field intensity and roughness factors on complex electrowetting are described through a contact angle and some interface characteristics, and an electrowetting expansion mechanism of micro-nano liquid drops on a rough wall surface is explained from a microscopic perspective.

This invention provides a separator and a base membrane, the base membrane comprising a central region and a peripheral region adjacent to the central region, the peripheral region comprising a first region located above the central region and a second region located below the central region; a first coating coated on the central region of the base membrane; and a second coating coated on the first and second regions of the base membrane; the first coating comprising first ceramic particles, a first binder, and a wetting agent; the second coating comprising a fast ion conductor material, second ceramic particles, and a second binder; wherein the ceramic particles in the first coating constitute 80%~95% by mass in the second coating, the fast ion conductor material in the second coating constitutes 10%~30% by mass, and the thickness T2 of the second coating is greater than the thickness T1 of the first coating. The separator of this invention can significantly improve interfacial contact performance, reduce interfacial impedance, and avoid puncture damage to the separator from the electrode edges; it also solves the problem of insufficient electrolyte wetting in the central region.

The application belongs to the field of inorganic materials, and particularly relates to a lutetium silicate ceramic material and a method for improving high-temperature water-vapor corrosion resistance of the lutetium silicate material, and is suitable for performance optimization and development and application of rare earth silicate materials for environmental barrier coating. The method comprises the following steps: (1) controlling the content of solvent atoms Ho in Lu2SiO5 according to the stoichiometric ratio; (2) increasing the wetting angle of the Lu2SiO5 ceramic material from 80.1+ / -0.5 degrees to 87.5+ / -0.6 degrees; and (3) reducing the weight loss of the material after corrosion in a water-vapor environment of 1000-1400 DEG C, 30% H2O-70% O2 for 30 hours from 0.221 mg / cm 2 2 to 0.0911 mg / cm 2 2. The application can significantly improve the corrosion resistance of the Lu2SiO5 material in a high-temperature water-vapor environment by designing the composition of Lu2SiO5 through specific rare earth element doping and optimizing the proportion of the doped rare earth elements in Lu2SiO5. Meanwhile, the wetting angle of the Lu2SiO5 material is increased and the hydrophobic property is improved after the rare earth atom solid solution doping, which provides important support for optimizing the high-temperature water-vapor corrosion resistance.

The invention provides an ultra-long-elongation wave-absorbing material and a preparation method thereof, and relates to the technical field of electromagnetic wave absorbing materials. Comprising a wave absorbing layer and a release material layer which are stacked, and the surface of the side, away from the release material layer, of the wave absorbing layer comprises a fish scale structure; the wave absorbing layer comprises a component A and a component B; the component A comprises the following raw materials: iron-silicon-aluminum alloy magnetic powder, a modifier, a first wetting agent and a titanate coupling agent; the component B comprises the following raw materials: polyvinyl alcohol, a plasticizer, a cross-linking agent and a second wetting agent; and the release material layer comprises a PET release film. When the wave-absorbing material is stretched, the fish scale structure allows the magnetic powder sheets to relatively slide and rotate along the inclined direction, which is similar to the moving mode of fish scales when a fish body is bent, so that the stress is greatly buffered, the fracture caused by stress concentration is avoided, the elongation of the wave-absorbing material is remarkably improved by the fish scale structure, and meanwhile, the low-frequency wave-absorbing performance of the wave-absorbing material is maintained.

A process for recycling EPDM sealing profiles from windows, doors and / or facade constructions, comprising the following steps: a. Providing (101) used EPDM sealing profiles b. Comminution (102), in particular grinding, of the sealing profiles c. Wetting (103) the crushed material with a wetting agent by providing a recycled premix (1) and adding (105) virgin material (2) to the crushed material and d. Shaping (106) the crushed material, in particular into an element (3) of a window, door and / or facade construction; and a window, door or facade construction.

This invention provides a method and related equipment for testing the wetting strength of tin-plated board surfaces. The method includes: acquiring a tin-plated board to be tested; drawing lines on the tin-plated board using a dyne pen to obtain the drawn lines; determining the changes in the drawn lines; for cases where capillary action occurs in the drawn lines, drawing lines again on the tin-plated board using a higher-grade dyne pen to obtain new drawn lines, until the new drawn lines show no change; and determining the grade of the dyne pen corresponding to the new drawn lines as the wetting strength of the tin-plated board surface. Thus, a quantifiable wettability index is provided. By testing the surface of the tin-plated board with a dyne pen, considering the surface morphology of the substrate, the relationship between the passivation film and the coating, and observing the pen marks, an evaluable method for testing the wetting strength of tin-plated board surfaces is established.

The application relates to the technical field of high polymer materials, in particular to a non-silicon release liquid and a release film, wherein the non-silicon release liquid comprises the following components in proportion by weight: a non-silicon release agent 18-36 parts; modified barium sulfate 2-4 parts; toluene 58.5-79.5 parts; a wetting agent 0.5-1.5 parts. The non-silicon release liquid provided by the application has excellent release performance through the synergistic effect among the components, and the non-silicon release agent can be combined with the PET base material through a chemical bond, so that the addition of the non-silicon release agent does not affect the mechanical properties of the film.

The invention discloses an online polishing and curling integrated device and process for a magnesium alloy plate strip. The device is located between a finish rolling mill and a crimping machine and comprises a polishing groove body, a grading polishing roller set arranged above the groove body, a tension control system and a constant tension crimping mechanism. Special weak acid polishing liquid is supplied to the polishing area through the spraying system, mechanical-chemical collaborative polishing is achieved under the spraying wetting condition, and the problems caused by roller body immersion are avoided. The tension system performs hierarchical closed-loop control according to plate thickness, and the crimping mechanism is linked to keep tension constant. The process comprises online collaborative polishing and optional electrolytic polishing. Polishing and curling aiming at the characteristics of the magnesium alloy are integrated on line, the problems that magnesium chips are generated through off-line grinding, and continuous production is difficult are solved, the output of the magnesium chips is smaller than 0.002 kg / m < 2 >, the surface roughness Ra reaches 0.15-0.8 micrometer, the production efficiency is improved by 40% or above, and the method is suitable for continuous production of wide plate strips of 1600-1800 mm.

The invention relates to an h-BN composite surface layer coating for a titanium alloy casting and a preparation method of the h-BN composite surface layer coating, in particular to the technical field of investment precision casting surface layer coatings. The h-BN composite surface coating for the titanium alloy casting comprises the following components in percentage by mass: 50%-70% of refractory aggregate, 20%-35% of a reinforced shell material, 5%-15% of a key additive and the balance of a binder. The mold filling capacity of the thin wall is remarkably improved. By adding the h-BN material treated by the silane coupling agent, the surface tension of titanium liquid is effectively reduced, the wettability of the front edge of molten metal is improved, and the mold filling integrity of a thin-wall area is improved from 75%-85% to 95% or above. The surface quality of the casting is improved, the h-BN material has the good heat conduction characteristic, directional solidification is promoted, surface grains are refined, meanwhile, the lamellar structure of the h-BN material is beneficial for forming a smooth shell surface, the surface roughness of the casting is reduced, the interface reaction is effectively restrained, and gradient control over the shell performance is achieved. The h-BN content is adjusted according to the areas with different wall thicknesses, and the problem that the thick-wall areas crack due to the chilling effect is solved.

The invention relates to the technical field of preparation of photoelectric device materials, in particular to a method for preparing light-emitting microparticles based on laser regulation and control of substrate gradient wetting. Aiming at the problem that the industrialization requirements of high-precision patterning, high material utilization rate, high device performance and low production cost cannot be met at the same time in the prior art, the invention provides the following technical scheme: S1, substrate surface modification; s2, designing a pre-processing pattern; s3, constructing a wettability gradient through laser processing; s4, testing and verifying the hydrophilicity and hydrophobicity; s5, the solution is guided by a scraper to be self-assembled; and S6, performing temperature-controlled evaporation to realize directional arrangement of the particles. The wettability gradient of the substrate is precisely regulated and controlled through laser, high-precision patterning preparation of the light-emitting microparticles is achieved, the material utilization rate is increased, the production cost is reduced, particle arrangement and film forming quality are optimized, the light-emitting performance and stability of the device are enhanced, the device is adaptive to various substrates, materials and laser sources, compatibility is high, and research and development and mass production requirements can be met.

The present application belongs to the field of oilfield chemistry and workover engineering process, and discloses a stratum working fluid for thick oil viscosity reduction, a working system, a preparation method and application thereof. The stratum working fluid for thick oil viscosity reduction comprises the following components by weight: 60-91 parts of water, 1-5 parts of anti-swelling agent, 5-20 parts of stratum cleaning agent and 3-15 parts of thick oil viscosity reducer. The working system for thick oil viscosity reduction comprises the above-mentioned stratum working fluid and a wellbore working fluid for cleaning dead oil in the wellbore. The stratum working fluid of the present application reduces the viscosity of crude oil in the near wellbore zone through viscosity reduction and dispersion, wetting drag reduction and surfactant assisted cleanup, reduces organic plugging, and has little corrosion to the pipe string. When the working system of the present application is applied, the soak time is greatly shortened, the entire construction process can be completed within three days, the construction period is greatly shortened, and the production efficiency is improved.

This invention discloses a microwave absorbing thermal conductive material, an adhesive tape, electronic components, and a method for preparing the adhesive tape, belonging to the field of polymer materials technology. By weight, the microwave absorbing thermal conductive material comprises: 60-100 parts binder, 5-40 parts tackifying resin, 0.1-5 parts thickener, 1-5 parts dispersant, 0.5-3 parts coupling agent, 0.1-3 parts defoamer, 0.1-3 parts wetting agent, 20-50 parts microwave absorbing agent, and 20-60 parts thermal conductive agent. The microwave absorbing thermal conductive material provided by this invention, when applied to electronic components, exhibits low thermal resistance and can reduce interference from external electromagnetic waves, thus addressing the requirements of electronic components for both microwave absorption and heat dissipation.

This invention provides an anti-lifting and anti-counterfeiting tape and its manufacturing method. From top to bottom, it comprises a substrate layer, an anti-counterfeiting pattern layer, and a pressure-sensitive adhesive layer with a functional gradient structure. The pressure-sensitive adhesive layer is an integrally molded single-layer structure, and in the thickness direction perpendicular to the plane of the substrate layer, the cohesive strength of the pressure-sensitive adhesive layer exhibits an asymmetric gradient distribution. The pressure-sensitive adhesive layer includes a high-cohesion region: near the anti-counterfeiting pattern layer, the chemical cross-linking density of which keeps the elastic modulus of this region within a preset range, thereby suppressing elastic stringing deformation of the adhesive under peeling force. This invention achieves effective interception and dissipation of the substrate's rebound stress by setting a low-modulus "high-wetting region" on the adhesive side and introducing an "internal stress self-adaptive layer" under the substrate. While ensuring long-lasting adhesion without lifting on curved surfaces, it avoids damage to the cardboard fibers caused by strong peeling, achieving a balance of "strong adhesion without fiber breakage."

The invention discloses an aluminum alloy die casting chromium-free passivator and a preparation method and application thereof, and relates to a metal surface treatment technology. The coating comprises the following components: 1-3 g / L of titanium salt, 0.1-1 g / L of vanadate, 3-4 g / L of nitrate, 0.5-10 g / L of rare earth nitrate, 0.8-1.2 g / L of fluoride, 0.3-0.5 g / L of a chelating agent, 0.3-0.8 g / L of a silane coupling agent, 0.3-0.5 g / L of silica sol, 0.02-0.05 g / L of water-soluble resin, 0.01-0.02 g / L of a wetting agent and the balance of water. The paint does not contain toxic and harmful substances such as chromium, and accords with the ROHS environmental protection laws of European Union. By adding the silane coupling agent, the water-soluble resin and the silica sol, a single passive film is changed into a composite passive film, the film layer is more compact and uniform, the corrosion resistance of the film layer is improved, the flexibility of the film layer is improved, and the composite passive film has better comprehensive performance.

The application discloses a damping, corrosion-resistant and wear-resistant elevator traction machine base coating and a preparation method thereof, and belongs to the technical field of elevator damping. In terms of weight parts, the raw materials comprise 30-40 parts of a corrosion-resistant and wear-resistant layer base material, 70-80 parts of a damping layer base material, a branch-like vine structure filler, a wetting agent, a defoaming agent, a dispersing agent and deionized water; the branch-like vine structure filler is obtained by compounding zero-dimensional fillers, one-dimensional fillers and two-dimensional fillers after modification. The application successfully constructs the branch-like vine structure filler by modifying the zero-dimensional, one-dimensional and two-dimensional fillers. The structure connects the zero-dimensional point fillers, the one-dimensional linear fillers and the two-dimensional sheet fillers into a three-dimensional network through chemical bonding and non-covalent interaction, realizes uniform dispersion and stable anchoring of the fillers in the matrix, and fundamentally solves the technical problems of easy agglomeration and weak interface combination of traditional fillers.

The application discloses NMP dynamic rectification equipment and a control method thereof, and relates to the technical field of NMP waste liquid treatment.The application is characterized in that a roughness larger peristaltic diffusion layer, a roughness second radiation diffusion layer and a relatively smooth wetting escape layer are arranged on the surface of the evaporator in the molecular distillation cylinder, and the roughness of the peristaltic diffusion layer and the radiation diffusion layer is linearly reduced from top to bottom, so that a stronger solid-liquid surface energy is formed when the waste liquid contacts the evaporation surface, the liquid slides down under the action of its own gravity, continuously diffuses, forms a multiple linearized "scattered" liquid state from top to bottom, and efficiently completes molecular distillation in the wetting escape layer, thereby reducing the rolling boiling phenomenon of the waste liquid on the evaporation surface of the evaporator and improving the falling film molecular distillation effect.

This invention discloses a method for controlling a single-stage microporous metal oil-water separation membrane with both high permeability and high selectivity, comprising the following steps: 1. Obtaining a phenomenological formula and empirical parameters a, b, and c through gradient experiments; 2. Deriving the minimum value of f based on the empirical parameters a, b, and c, thus obtaining the corresponding R / D; 3. Using the obtained R / D, obtaining a single-stage microporous metal oil-water separation membrane with both high permeability and high selectivity. This invention employs a structure-function integrated design for the single-stage microporous metal oil-water separation membrane, breaking the seesaw effect between high selectivity and high permeability, overcoming the flux bottleneck of nano-ceramic / micron-sized metal porous separation membranes, and proposing a phenomenological formula that provides a continuous quantitative description of the actual wetting state. The microporous membrane exhibits high strength, good mechanical durability, and no risk of coating peeling, accelerating the upgrading and optimization of metal oil-water separation membranes and providing technical support for cost reduction and efficiency improvement in industrial mixed fluid filtration.