169 results about "Hydrophobic membranes" patented technology

The building block is prepared from the following raw materials in parts by weight: 30 to 60 parts of ardealite, 0.5 to 2 parts of lime, 10 to 30 parts of slag, 0 to 2.5 parts of silica fume, 0 to 2.5 parts of fly ash, 1 to 5 parts of cement, a water reducing agent with the mass ratio of 0.5 to 1.5 percent of ardealite, 8 to 12 parts of water, 10 to 20 parts of an acrylic acid metal salt mixed solution, 0.5 to 2.5 parts of a water repellent agent and 15 to 50 parts of aggregate, the acrylic acid metal salt mixed solution contains calcium ions or / and magnesium ions; through the in-situ polymerization synergistic effect among the cement, the lime, the inorganic active material and the acrylic acid metal salt solution, the inorganic-organic hybrid gel efficiently and stably solidifies the phosphogypsum, harmful ions are converted into insoluble and thermodynamically stable forms, and efficient and stable phosphorus, fluorine and heavy metal immobilization is achieved. The mixing amount of the phosphogypsum is as high as 30-60%, the building block has good mechanical properties, the 28-day compressive strength of the building block is greater than or equal to 30 MPa, and the breaking strength is greater than or equal to 3.5 MPa; and through surface modification treatment of the hydrophobic agent, a hydrophobic film is formed on the surface of the ardealite, the hydrophobic performance of the surface of the ardealite is enhanced, the water resistance of the ardealite is improved, and the water absorption rate of the building block is less than or equal to 5.0%. And the preparation process has the advantages of low cost, simplicity and convenience in operation, environment friendliness and the like.

The invention belongs to the technical field of coal chemical industry grey water treatment, and particularly relates to an advanced treatment method and system for coal chemical industry grey water circulating water. The method integrates pretreatment, complexing cracking, fractional crystallization and deep deamination, and is characterized in that a chelating structure of an organic phosphorus dispersing agent and calcium and magnesium ions is thoroughly destroyed through an advanced reduction-advanced oxidation combined process, target ions are released, and the core problems that hardness removal is hindered and phosphorus pollution is caused are solved; then, calcium and magnesium are respectively converted into calcium carbonate and magnesium ammonium phosphate particles for resource recovery by utilizing a secondary crystallization technology, so that the bottlenecks of high alkali liquor consumption and salt accumulation of a traditional high-pH magnesium ion precipitation method are broken through; and finally, the residual ammonia nitrogen is deeply removed by adopting a pollution-resistant PTFE hydrophobic membrane, so that the residual ammonia nitrogen is efficiently and stably removed, and the problem that a traditional polypropylene material membrane system is easy to pollute and block, easy to oxidize and difficult to apply to the field is solved.

The invention provides a hydrogen sensor as well as a preparation method and application thereof, and particularly relates to the technical field of sensors. The hydrogen sensor comprises a ceramic substrate electrode and a gas-sensitive layer, the gas-sensitive layer is arranged on the surface of the ceramic substrate electrode, the gas-sensitive layer comprises a composite material formed by doping a semiconductor material with precious metal, the surface of the composite material is coated with a hydrophobic membrane, and the surface of the hydrophobic membrane is coated with a metal layer. The hydrophobic membrane is formed by chemical coupling reaction of hydrophobic silane and hydroxyl groups. According to the hydrogen sensor, by adopting the specific semiconductor sensing material and the hydrophobic membrane, the adaptability and the stability of the hydrogen sensor in a high-temperature alkali liquor corrosion environment are greatly improved, the hydrogen sensor can reliably work for a long time in a severe environment, the replacement frequency of the sensor is reduced, and the use cost is reduced.

This invention discloses a controllable patterned wetting microfluidic chip and its preparation method. The preparation method includes the following steps: injecting an alkaline solution into a glass chip channel and allowing it to stand to hydroxylate the surface of the glass chip channel; after standing, cleaning and drying the glass chip channel; then preparing a hydrophobic film on the surface of the glass chip channel; subsequently treating the hydrophobic film to adjust the hydrophobicity of a preset area of ​​the hydrophobic film, thereby obtaining the controllable patterned wetting microfluidic chip. This invention, by preparing a hydrophobic film on the surface of the glass chip channel and then treating it to adjust the hydrophobicity of a preset area, enables the glass chip channel to have different surface properties, fully replicating the complex wetting properties of oil reservoirs. Furthermore, the contact angle can be freely adjusted according to the formation properties, achieving controllable patterned wetting. The fabrication process is simple, low-cost, and does not require expensive equipment.

The utility model discloses an atomization separation device for extracting tea saponin. The atomization separation device comprises a separation tank body, a liquid inlet pipe, a hydrophobic membrane, a heater, an ultrasonic vibrator, a cooling fan, a shunting cover and a liquid outlet pipe, the separation inner plate is used for separating the separation tank body into a containing cavity and an atomization cavity, the ultrasonic vibrator is located in the containing cavity, the hydrophobic membrane is arranged at the top of the atomization cavity in a surrounding mode, the cooling fan is used for generating airflow enabling tea saponin liquid drops to be condensed, and the liquid outlet pipe is arranged in the middle of the hydrophobic membrane. The separation tank body is divided into the containing cavity and the atomization cavity through the separation inner plate, a tea saponin solution can be conveyed to the atomization cavity through the liquid inlet pipe, efficient atomization of the tea saponin solution can be achieved through the synergistic effect of the ultrasonic vibrator and the heater, atomized tea saponin liquid drops can be extracted through the hydrophobic membrane, and the tea saponin liquid drops can be extracted through the liquid inlet pipe. The low-temperature airflow generated by the cooling fan can condense the liquid drops into a liquid concentrated solution, and the liquid concentrated solution is intensively discharged through the liquid outlet pipe; the whole structure is compact, and the extraction efficiency of tea saponin and the purity of a concentrated solution can be effectively improved.

This invention belongs to the field of hollow fiber membrane preparation technology, and discloses a braided tube-reinforced polyvinylidene fluoride hollow fiber hydrophobic membrane, its preparation method, and its application. The polyvinylidene fluoride hollow fiber hydrophobic membrane includes a braided tube and a hydrophobic membrane layer formed on the surface of the braided tube. The outer diameter of the braided tube-reinforced polyvinylidene fluoride hollow fiber hydrophobic membrane is 0.3-3 mm, the tensile breaking strength is greater than 100 N, and the pure water permeability is 200-7500 L / (m²). 2 •h)@0.1MPa 20℃. The preparation method includes: preparing a casting solution by combining polyvinylidene fluoride resin, organic solvent, composite pore-forming agent, and optionally polytetrafluoroethylene microparticles; extruding the casting solution onto the outer surface of a braided tube using a hollow fiber membrane spinning machine, and forming a membrane through phase separation in a coagulation bath. This invention significantly improves the mechanical strength of the membrane through braided tube reinforcement and achieves high flux and high hydrophobicity using a water-inorganic-organic composite pore-forming agent, making it suitable for high-performance separation processes such as membrane distillation, membrane contactors, and gas separation.

This utility model discloses a postoperative nasal drainage device, comprising: a distribution valve, drainage tubes, and a reservoir bag. The distribution valve has two inlet holes and one outlet hole. A partition plate is fitted into the distribution valve, separating the two inlet holes. A rotating shaft is rotatably mounted within the partition plate, and first, second, and third baffles are mounted on the shaft. The first baffle cooperates with one inlet hole, and the second and third baffles cooperate with the other inlet hole. A reservoir bag is fitted into the outlet hole, and a partition plate is installed within the reservoir bag. The partition plate and the partition plate are interlocked. A first hydrophobic membrane is installed within the partition plate. A negative pressure hole is provided on the reservoir bag, and a second hydrophobic membrane and a one-way valve are installed within the negative pressure hole. A drainage tube is connected to each of the two inlet holes, and the drainage tube is equipped with a one-way Luer connector and a detachable drainage end. The distribution valve allows adjustment between single-inlet and dual-inlet modes depending on whether the surgery is performed in a single or double nasal cavity.

The invention provides a device for DNA solid-phase synthesis and a preparation method of the device. The device comprises a solid-phase synthesis carrier and a micropore array which is arranged on the solid-phase synthesis carrier and is provided with a wrinkled inner wall. The pore diameter of the micropores is 70-90 [mu] m, the pore depth is 5-6 [mu] m, the inner wall roughness is 0.5-5 [mu] m, the distribution density of the micropores on the surface of the solid-phase synthesis carrier is greater than 1111 / mm < 2 >, and the reaction contact surface provided by the solid-phase synthesis carrier is further expanded; meanwhile, hydrophilic treatment and synthesis starting point grafting are carried out on the inner walls of the micropores, hydrophobic membrane coating is carried out outside the micropores, the synthesis density is increased, and the error rate of the synthesis process is reduced. According to the solid-phase synthesis device, the reaction contact area is further enlarged while the synthesis accuracy is ensured, the coupling density is increased, and a high-yield synthesis device is provided for solid-phase synthesis of DNA by a phosphoramidite method.

The utility model provides a protective Low-E glass structure with an optical filter, which comprises an outer frame, a first Palm plate layer, a metal protective frame and a Low-E glass base layer are sequentially arranged in the outer frame, a plurality of hollow parts are formed on the metal protective frame from top to bottom, and a second Palm plate layer is fixedly arranged in each hollow part; a decorative filter sheet layer and an infrared reflecting film layer are sequentially arranged on one side surface, close to the Low-E glass base layer, of each second Pall plate layer; a low-dispersion layer is arranged on one side surface, close to the metal protection frame, of the second Palm plate layer; an ultraviolet protection layer and a first PVB film layer are sequentially arranged on the side face, close to the metal protection frame, of the first Palm plate layer, and an antireflection film layer is arranged on the side face, away from the metal protection frame, of the first Palm plate layer. A first anti-oxidation film layer, a sound insulation film layer, a second PVB film layer and a hydrophobic SiO2 film layer are sequentially arranged on one side surface, close to the metal protection frame, of the Low-E glass base layer. Good decoration and protection functions are realized.

Disclosed in the present invention are a multifunctional film, a preparation method therefor and a use thereof, and a light-transmitting panel. The multifunctional film comprises a multilayer film and a hydrophobic film layer which are connected in an overlapping manner, the multilayer film comprises a plurality of high refractive index film layers and a plurality of low refractive index film layers, and the plurality of high refractive index film layers and the plurality of low refractive index film layers are alternately and overlappingly arranged in sequence, wherein the side of the multilayer film connected to the hydrophobic film layer is the high refractive index film layer, and wherein the hydrophobic film layer comprises element Si, element C, and element O. The multifunctional film of the present invention can achieve multiple effects of surface hydrophobicity, anti-aging, abrasion resistance, anti-reflection, and the like for a product.

The invention discloses a composite optical thin film with intrinsic hydrophobicity and a preparation method thereof. The composite optical thin film comprises a substrate and an optical film system arranged on the substrate, wherein the optical film system comprises an organic-inorganic hybrid hydrophobic film layer. The organic-inorganic hybrid hydrophobic membrane layer is composed of an inorganic porous skeleton and an organic nano dispersed phase dispersed in the inorganic porous skeleton, and the inorganic porous skeleton has micro porosity gradually increased from the inner side surface to the outer side surface. The micro pores are filled with the organic nano dispersed phase in situ to form a space embedded structure with gradually increased distribution concentration gradient. According to the invention, covalent bonding and spatial embedding of organic components and an inorganic framework are utilized, so that the mechanical wear resistance and the hydrophobic antifouling life of the film layer are remarkably improved. According to the preparation method, double-source co-deposition is combined with a pulse type ion beam technology, and precise construction of a gradient distribution structure is achieved by dynamically modulating a deposition rate ratio and a pulse energy phase.

This utility model discloses an oil-water separation device for wastewater treatment, relating to the field of oil-water separation technology. It includes a separation tank with a first and second partition fixed inside. The first and second partitions are fixedly connected and divide the interior of the separation tank into upper and lower parts. A through hole is formed on the first partition, and a sliding groove is formed on the second partition, with the through hole communicating with the sliding groove. A hydraulic cylinder is installed on the right side of the separation tank. Oily wastewater is pumped into the separation tank using a pumping component. After all the oil in the wastewater floats to the surface, the lower layer of wastewater is discharged using a pumping component. When the water-oil boundary line in the separation tank approaches the first partition, a push plate is inserted into the through hole by the hydraulic cylinder to engage with it. Complete oil-water separation is achieved using a hydrophobic membrane, allowing the oil to be discharged along the oil drain pipe, while the wastewater is completely discharged by the pumping component.

The application relates to the technical field of liquid flow batteries, and discloses a high-stability flow channel plate, a preparation method thereof and a liquid flow battery, which comprises the following steps: processing and shaping a conductive plate material, and performing plasma pretreatment to introduce active groups on the surface of the conductive plate material, so as to obtain a pre-oxidized flow channel plate; preparing film-forming slurry, wherein the film-forming slurry comprises a solvent, a dispersing agent, a perfluoroalkyl phosphonic acid and a conductive agent; soaking the pre-oxidized flow channel plate in the film-forming slurry, and performing a self-assembly reaction under light-proof conditions, so that the perfluoroalkyl phosphonic acid is chemically bonded with the active groups on the surface of the pre-oxidized flow channel plate through phosphonic acid groups, and the conductive agent is distributed in a hydrophobic film layer formed by the perfluoroalkyl phosphonic acid, so as to construct a hydrophobic conductive composite film; and cleaning and drying the flow channel plate after the reaction, so as to obtain the high-stability flow channel plate. The application has the advantages of high conductivity, hydrolysis resistance, acid and alkali resistance, high-temperature resistance, blistering resistance and low cost.

The invention relates to the technical field of materials for taking water from air, in particular to a high-water-absorption MOFs mixed matrix membrane as well as a preparation method and application thereof. The high-water-absorption MOFs mixed matrix membrane comprises a PET (polyethylene terephthalate) non-woven fabric and a water-absorption MOFs-PVDF (Polyvinylidene Fluoride) mixed membrane, wherein the water-absorption MOFs-PVDF mixed membrane is mainly prepared by compounding water-absorption MOFs and PVDF. The water-absorbing MOFs mixed matrix membrane is prepared by blending MOFs through an electrostatic spinning method, and the performance problem occurring after the material absorbs water can be effectively avoided by utilizing the stability of the membrane material. According to the invention, the hydrophobic PVDF membrane with strong chemical stability, high thermal stability and strong weatherability is selected as a carrier of the MOF material, and the water-absorbing MOFs mixed matrix membrane is cured on two sides of the base material through an electrostatic spinning method to form a composite structure of a water-absorbing MOFs-PVDF mixed membrane / PET / water-absorbing MOFs-PVDF mixed membrane, so that the mechanical strength is enhanced.

A film forming method includes preparing a substrate having a first region in which a metal film or an oxide film of the metal film is exposed, and a second region in which an insulating film is exposed, supplying, to the substrate, an organic compound containing, in a head group, a triple bond between carbon atoms represented by Chemical Formula (1) described in the specification, causing the organic compound to be selectively adsorbed in the first region among the first region and the second region, and cleaving the triple bond in the first region and forming a hydrophobic film having a honeycomb structure of carbon atoms through polymerization.

The invention relates to the field of material science and engineering, and particularly discloses an anti-caking potassium nitrate production method which comprises the following steps: taking high-purity potassium nitrate crystals as a base material, selecting lauryl sodium sulfate as an anti-caking agent, and adding 10-100g of sodium dodecyl sulfate into each ton of base material; the production method comprises the following steps: dissolving lauryl sodium sulfate in pure water to prepare a transparent modified solution; uniformly wetting the surface of the crystal with the modification liquid by adopting a layer-paving spraying method; drying the wet material in a non-closed heating environment in which a moisture removal channel is reserved, and inducing the formation of a stable hydrophobic membrane on the surface; and finally, carrying out secondary mechanical mixing and granulating to obtain a finished product. According to the invention, through liquid-phase trace coating and a specific temperature control and moisture removal process, the hygroscopicity and caking tendency of the crystal are remarkably reduced while the water insoluble substance and clarity of the product are ensured to completely meet the analytic purity standard, and the problems of turbid solution, excessive introduction of organic impurities and damaged purity caused by the traditional physical anti-caking technology are effectively solved.

The invention discloses a corrosion-resistant alloy grounding material suitable for saline alkali soil and a preparation method thereof, and relates to the field of grounding materials.The preparation method comprises the following steps that S1, the surface of an alloy matrix is subjected to surface treatment, a layer of oxide is attached to the surface of the alloy matrix, and a first alloy material is obtained; s2, the first alloy material is soaked in a silane coupling agent, meanwhile, the repairing micro-capsules are added, and the first alloy material is taken out; a second alloy material is obtained; s3, the second alloy material is coated with a hydrophobic solution, a hydrophobic film is formed, and a third alloy material is obtained; and S4, continuously coating the surface of the third alloy material with a layer of slow-release particles capable of improving the saline-alkali soil, thereby obtaining the saline-alkali soil conditioner. By means of the multi-layer structure, the corrosion resistance of the alloy material on saline-alkali soil can be effectively improved, and therefore the service life is prolonged.

The present application relates to waste liquid treatment process technical field, disclose a kind of acid low-leakage waste liquid treatment system and method, acid low-leakage waste liquid treatment system includes: raw water tank, suitable for containing acid low-leakage waste liquid;Heating assembly, suitable for heating waste liquid in raw water tank;Hydrophobic membrane assembly, the raw water outlet of raw water tank is connected with the input end of hydrophobic membrane assembly;Condenser, hot side inlet is connected with the permeation side of hydrophobic membrane assembly;Condensate tank, with the hot side outlet of condenser is connected;Negative pressure mechanism, with the permeation side of hydrophobic membrane assembly is communicated, suitable for the vacuum extraction of the permeation side of hydrophobic membrane assembly.The acid low-leakage waste liquid treatment system of the present application has high purification coefficient, can separate and remove nitric acid and nuclide in waste liquid, so that waste liquid meets discharge requirements and without material liquid boiling can effectively reduce the corrosion and leakage problem of equipment by nitric acid, prolong the service life of equipment, avoid acid waste leakage caused by equipment corrosion, cause pollution to environment or cause harm to human body.

The invention discloses an oleophylic and hydrophobic sponge material as well as preparation and application thereof. The material comprises sponge and a carbon-containing hydrophobic film layer coated on a sponge framework, and lauric acid is coated on the carbon-containing hydrophobic film layer. The preparation method comprises the following steps: in an inert atmosphere, heating and carbonizing dried banana peel powder, carrying out alkali treatment on a product, heating and calcining, and carrying out acid pickling to obtain biomass derived carbon; the preparation method comprises the following steps: dispersing biomass derived carbon in a PDMS solution to obtain a carbon powder suspension, immersing a sponge in the carbon powder suspension, taking out the sponge after immersion, drying, immersing the sponge in liquid lauric acid, taking out the sponge after vacuum immersion, removing redundant lauric acid, uniformly smearing the carbon powder suspension on the outer surface of a sponge intermediate, and drying and solidifying to obtain the sponge. The material can be applied to adsorption and recovery of high-viscosity crude oil. In the oil-water separation process, the prepared composite material shows efficient adsorption capacity and rapid separation effect on high-viscosity crude oil, and has remarkable environmental and economic benefits.

The invention relates to the technical field of agricultural sprinkling irrigation, in particular to water-saving type spraying equipment for ground irrigation, which comprises a support frame and a main pipeline, the main pipeline is fixedly mounted above the support frame, the bottom of the main pipeline is fixedly connected with a water inlet pipe, a plurality of uniformly arranged branch pipes are fixedly mounted on the side wall of the main pipeline, and the branch pipes are fixedly connected with the water inlet pipe. And a spray pipe is fixedly mounted at the tail end of the branch pipe. Through up-down movement of the rotating rod, self-adaptive adjustment of the spray irrigation atomization degree along with wind power is achieved, the problem that water mist is excessively diffused under the strong wind condition or irrigation is uneven under the weak wind condition is solved, it is ensured that the stable spray irrigation range and the uniformity of atomized water drops can be maintained under different wind conditions, meanwhile, water resource waste and drifting loss are reduced, and the energy-saving and environment-friendly effects are achieved. Water source bubbles are filtered through the hydrophobic membrane, so that air carried in a water source can be effectively removed in the sprinkling irrigation process, the phenomenon of uneven atomization caused by bubble breakage in the sprinkling irrigation process is avoided, and the sprinkling irrigation uniformity is improved.

The utility model discloses a dehydration device for lubricating oil production, and relates to the technical field of lubricating oil processing equipment. The dewatering device for lubricating oil production comprises a top cover, an outer tank body, an inner tank body, a plurality of dewatering filtering assemblies and a water pumping pipe, the top end of the outer tank body is hinged to the top cover, an inner tank plugging cover is arranged on the top cover, an oil inlet pipe is arranged on the inner tank plugging cover, the inner tank plugging cover is nested at the top end of the inner tank body in a sealed mode through a sealing ring, and the water pumping pipe penetrates through the top cover and the inner tank plugging cover. The two sides of the oleophylic and hydrophobic membrane are divided into a high position and a low position, a water outlet is formed in the inner tank body on one side of the high position in a penetrating mode, and the water outlet discharges water obtained through treatment to a water storage tank through an inclined plate. Dehydration treatment is carried out through the dehydration filtering assembly, after the inner tank body carries out dehydration treatment on lubricating oil, the treated lubricating oil is directly discharged from the oil outlet pipe, the structure is simple, and the dehydration treatment efficiency is high.

The invention discloses an urban green land snow-melting agent blocking and rainwater storage integrated method, which comprises a salt-resistant water storage structure arranged between a road kerb and a green belt, the bottom of the salt-resistant water storage structure is provided with a slope and a hydrophobic membrane, and one side of the hydrophobic membrane is provided with a salt-resistant water storage collection box; the municipal rainwater collecting structure is a whole set of underground pipeline system which is buried below an urban road and is used for collecting and discharging rainwater on the earth surface; the salt-resistant water storage and collection tank and the municipal rainwater collection system are both connected with the irrigation system, and the irrigation system provides a water source for the green belt. According to the system, the situation that three traditional systems of road drainage, greening irrigation and environmental pollution control are independent of each other is broken through, the three functions are innovatively integrated into a compact and efficient system, and the synergistic effect of '1 + 1 + 1 gt and' 3 'is achieved.

The invention discloses a dielectric hydrophobic film layer and a preparation method and application thereof, the dielectric hydrophobic film layer comprises a substrate, at least one side surface of the substrate contains hydroxyl; the preparation raw materials of the bridging structure comprise an acrylate silane coupling agent, and at least one end part of the acrylate silane coupling agent is chemically connected with the hydroxyl group on the surface of the substrate; the hydrophobic layer is arranged on the surface of the side, away from the substrate, of the bridging structure, and the material of the hydrophobic layer comprises fluorine-containing acrylate. The film layer has excellent dielectric strength and surface hydrophobicity and can replace a traditional laminated structure of a dielectric medium and a hydrophobic layer, chemical surface modification of acrylate silane is carried out on a substrate interface, an upper layer is made of a fluorine-containing acrylate material, the lower layer of the prepared dielectric hydrophobic layer is connected with an inorganic substrate in a covalent bond mode, and the dielectric hydrophobic layer is formed. The breakdown resistance of the interface of the electrowetting device is enhanced; and the exposed fluorine element on the upper layer enables the coating to have good hydrophobic performance.

The invention belongs to the technical field of biomedical materials and tissue engineering, and particularly relates to a self-pumping stent material with a double-layer heterogeneous structure as well as a preparation method and application of the self-pumping stent material. A hydrophobic membrane is prepared by an electrostatic spinning technology, and a hydrophilic microgel assembly is prepared by an emulsion method. Adding a dopamine modified polymer, and establishing a dynamic phenylboronic acid ester bond between microgel through a dopamine group to form a hydrophilic microgel assembly; the adhesion connection of the microgel assembly and the hydrophobic membrane is realized through mussel bionic chemical reaction of dopamine groups, and a double-layer heterogeneous structure based on the hydrophilic assembly and the hydrophobic membrane is constructed, so that a self-pumping effect is generated, and one-way flow of liquid components from the hydrophobic side of the stent to the hydrophilic side of the stent can be realized. Implanting the stent into an alveolar bone defect wherein the hydrophobic membrane contacts gingiva and the hydrophilic microgel assembly fills the bone defect; through the self-pumping effect of the stent, nutritional ingredients in the gingiva are unidirectionally pumped to the defect part of the alveolar bone, so that the regeneration of the alveolar bone is promoted.

The invention discloses a breathing demisting method, a breathing demister and a breathing demisting system for a normal-pressure container, and belongs to the technical field of industrial waste gas treatment. According to the method, a hydrophobic membrane filter element type demister is arranged at a breathing opening of a container, so that bidirectional gas-liquid separation is realized: when the container exhausts gas, acid-containing entrainment is intercepted, and clean emission is realized; when the container sucks air, moisture in the air is removed, and equipment corrosion is prevented. The breathing demister comprises a shell and a hydrophobic membrane filter element arranged in the shell, and the shell is provided with an air inlet / outlet, a breathing opening and a liquid outlet. According to the system, a breathing demister is connected with a normal-pressure container to form a complete treatment loop. By utilizing the efficient gas-liquid separation characteristic of the hydrophobic membrane, the two problems of unorganized emission pollution and equipment corrosion in the breathing process of the normal-pressure container are solved at one stroke, and the device has the advantages of being compact in structure, free of maintenance, safe and environmentally friendly.

A surgical apparatus includes a housing, a test port retainer, a pressure test chamber, and an image capture assembly. The housing includes a pressure test port. The test port retainer includes a test port retainer housing, a probe seal, and a liquid exclusion barrier. In one aspect, the test port retainer also includes a hydrophobic membrane mounted within the test port retainer housing. The pressure test chamber includes a manifold and a central tube. The first end of the central tube is affixed to the image capture assembly to form a pressure seal, and the second end of the central tube is coupled to the test port retainer so that the pressure test port communicates with the interior volume of the central tube through the test port retainer.

The present application relates to a kind of anti-fog glass and its preparation method, it is characterized in that using silk screen printing equipment and the silk screen printing plate A and silk screen printing plate B matched therewith, the style and size of silk screen printing plate A,B are determined according to glass embossing face pattern structure and water-collecting film distribution position, silk screen printing plate A is used for printing coating hydrophobic area;Silk screen printing plate B is used for printing coating hydrophilic area;(1) to the surface of calendered glass in turn using water, ethanol cleaning, drying;(2) fixed calendered glass substrate on silk screen printing equipment, install silk screen printing plate A, adjust printing parameter, in the lower area of the embossing face protruding structure of calendered glass and non-protruding area printing hydrophobic film coating liquid HB, solidification film layer.The present application has the advantages that: preparation method is simple, easy to operate, under the combined action of hydrophilic area and hydrophobic area, the liquid drop on the surface of glass will not stay for a long time;Anti-fog glass 4 μL water drop rolling angle 0~10 °, the average transmittance in the range of 380~1100 nm is not less than 91.0%, and the haze is 0~5%.

The invention discloses a high-purification-effect electroplating filtering device which comprises an evaporator, lower waste liquid connectors symmetrically arranged at the two ends of the evaporator, a membrane frame used for filtering arranged above the evaporator and a filter membrane arranged in the middle of the evaporator, the filter membrane is a hydrophobic membrane, liquid water cannot pass through the filter membrane, a condensing box is arranged above the membrane frame, and the condensing box is connected with the evaporator. A condensation cover plate is arranged above the condensation box, meanwhile, upper connecting water openings are symmetrically formed in the two ends of the condensation box and used for discharging purified water, electroplating waste liquid needing to be purified is introduced into the evaporator and then evaporated to form water vapor, the water vapor passes through a filter membrane and makes contact with the condensation cover plate on the upper portion to be condensed, and liquid water is obtained; at the moment, liquid water can be discharged from the upper connecting water openings in the two ends of the condensing box, metal radionuclides in the electroplating waste liquid in the evaporator are enriched, and meanwhile the enrichment multiple can be determined according to needs.

The invention relates to the technical field of high-salt industrial wastewater treatment, in particular to a membrane distillation concentration recycling device for high-salt industrial wastewater, which comprises a base main body, a wastewater tank is fixedly connected to the front end of the top of the base main body, a pretreatment unit is arranged on the outer side of the wastewater tank, and a heating tank is arranged on the outer side of the pretreatment unit. Compared with an existing membrane distillation concentration recycling device, the problems that most of water flow channels of a traditional membrane distillation device are designed to be straight channels, water flow makes insufficient contact with a hydrophobic membrane, a laminar flow state is likely to be formed, a large number of mass transfer dead angles exist, the water vapor permeation rate is low, the fresh water output efficiency is low, and the like are solved. The problems that suspended impurities and salt ions in wastewater are easy to deposit on the surface of a membrane, membrane holes are blocked, the membrane flux is rapidly attenuated, frequent chemical cleaning is needed, the operation and maintenance cost is increased, and the service life of the membrane is shortened are solved.

The invention discloses a hydrophobic membrane water body filtering and separating device for sewage, and relates to the technical field of wastewater separation, the hydrophobic membrane water body filtering and separating device comprises a flow dividing and purifying mechanism, the flow dividing and purifying mechanism comprises a first water passing pipe, the first water passing pipe is of a cylindrical structure, and the top of the first water passing pipe is fixedly connected with a second water passing pipe; the second water passing pipe is of a cylindrical structure, the interior of the first water passing pipe is communicated with the interior of the second water passing pipe, the first water passing pipe plays a water passing role, by arranging the flow dividing and purifying mechanism, the problem of blockage of a filtering hydrophobic membrane is solved, filtering and separating can be automatically completed in a bidirectional water flow mode, and meanwhile the filtering efficiency is improved. Particulate matters filtered on the filtering hydrophobic membrane are shunted outwards along with water flow impact, and water flow shunted through the second water outlet groove can be circulated again and enters the first connector through the water pump, so that stable and smooth separation work is realized, and the problem that the interior of the filtering hydrophobic membrane is extruded and damaged due to relatively large burden is avoided.