67 results about "Fouling layer" patented technology

The utility model discloses an ultrafiltration membrane device for treating wastewater of a finishing machine, and belongs to the technical field of environment-friendly sewage treatment. Comprising a membrane assembly, a compressed air backwashing assembly, a clear water backwashing assembly and a forward flushing assembly, the membrane assembly comprises a membrane shell and a plurality of layers of membrane discs arranged in the membrane shell through a central shaft, and the central shaft is connected with the water production port; the compressed air backwashing assembly comprises a backwashing air inlet pipe and an air compressor; the clean water backwashing assembly comprises a cleaning water inlet pipe and a cleaning pump; the forward flushing assembly comprises a forward flushing pipe. The cross-flow condition of the membrane surface is improved by utilizing the scouring action of the water distribution pipe and the shearing action of the rotary membrane assembly, and the formation of a membrane surface pollution layer is slowed down. Automatic air blowing and air-water backwashing are adopted, so that pollutants on the surface of the membrane are effectively removed. Compared with a conventional tubular ceramic membrane, the tubular ceramic membrane is high in operation efficiency, low in energy consumption, convenient to clean and recover, high in system automation degree and small in equipment occupied area.

The utility model discloses an anti-fouling 3D polaroid, which comprises a transparent substrate layer, a polarizing film layer, an antireflection layer, a buffer layer and an anti-fouling layer, the polarizing film layer is located on the surface of the transparent substrate layer, the antireflection layer is the surface of the polarizing film layer deviating from the transparent substrate layer, and the buffer layer is located on the surface of the transparent substrate layer. The buffer layer is located on the surface, away from the polarizing film layer, of the antireflection layer, the anti-fouling layer is located on the surface, away from the antireflection layer, of the buffer layer, the buffer layer is a polyacrylate layer, the antireflection layer is an inorganic material layer, and the anti-fouling layer is a fluoride layer. The technical scheme is used for solving the problems that a fluoride layer of an existing polarized lens affects the light incoming amount and is prone to falling off.

The invention discloses a method and equipment for quantitatively calculating the thickness of an ash deposition layer based on an excess air coefficient, and belongs to the technical field of thermal equipment performance diagnosis. According to the method for quantitatively calculating the ash deposition layer thickness based on the excess air coefficient, the influence of the excess air coefficient change on multiple indirect parameters such as the theoretical combustion temperature of a hearth, the smoke temperature of a hearth outlet, the average heat effective coefficient of a water cooling wall, the average temperature of hearth flame and the average temperature of an ash dirt layer of a slagging water cooling wall tube is comprehensively considered; an accurate mathematical model is established; the mathematical model is established based on the excess air coefficient, the variability of working conditions is fully considered, the internal relation between the excess air coefficient and the ash deposition degree of the water-cooled wall can be accurately revealed, and a solid theoretical basis and a scientific basis are provided for ash deposition diagnosis of the hearth water-cooled wall, so that the accurate calculation of the ash deposition layer of the hearth water-cooled wall is realized; and powerful support is provided for safe and economical operation of the power station boiler.

A cooling film for passively cooling modular data centers, power transformers, and other surfaces. The cooling film includes a specular reflective multilayer mirror film attached to a passive cooling heat transfer fin. The anti-fouling layer is secured to the first major surface of the specular reflective multilayer film. The specular reflective multilayer film may include a metal layer and specularly reflects electromagnetic radiation over a majority of wavelengths in the range of 400 nm to 2500 nm. The specular reflective multilayer film may also include a multilayer optical film including a first optical layer and a second optical layer that constructively reflect electromagnetic radiation over a majority of wavelengths in the range of 400 nm to 2500 nm while absorbing electromagnetic radiation over a majority of wavelengths in the range of 4000 nm to 20000 nm.

To provide a bathroom grout material with excellent stain resistance and durability. [Solution] A bathroom jointing material 1 for filling gaps S1 in a bathroom, comprising a base material 2 including an insertion part 2a that is inserted into the gap S1 and a flange part 2b that is exposed from the gap S1, and an anti-fouling layer 3 that covers the surface of the flange part 2b exposed from the gap S1, wherein the flange part 2b is made of a soft resin or elastomer and the anti-fouling layer 3 is made of a hydrophilic resin.

The utility model discloses a glass sheet with a corner protection function, which belongs to the technical field of glass sheets, and is characterized by comprising a glass sheet main body and a frame, the inner wall of the frame is provided with a surrounding edge groove, the glass sheet main body is adhered inside the surrounding edge groove, the glass sheet main body comprises a base material layer, and the base material layer is arranged in the surrounding edge groove. The glass sheet comprises a base material layer, a reinforcing layer is arranged at the top of the base material layer, an anti-fouling layer is arranged at the top of the reinforcing layer, a glue coating layer is arranged at the bottom of the base material layer, and stripping layers are arranged at the top of the reinforcing layer and the bottom of the glue coating layer. The problems that in the prior art, the thickness of a glass sheet is generally set to be thin, although the glass sheet has good light transmission and sensitivity, acting force cannot be dispersed when the corners of the glass sheet are stressed, so that the glass sheet is cracked from the corners, and the usability of the glass sheet is influenced are solved.

The invention discloses a self-calibration functionalization strategy based on a CNT FET sensor, and relates to the technical field of CNT FET sensor calibration. According to the self-calibration functionalization strategy based on the CNT FET sensor, the same-chip multi-channel integration is realized through local differentiation functionalization compatible with a micro-nano process, and the self-calibration target in the device is finally achieved by combining the physical and chemical barrier effect of a hydrogel three-dimensional anti-fouling layer; high stability, high specificity, high reliability and strong anti-interference capability of detection in a complex practical application scene are guaranteed, the defects that in the prior art, the operation process for eliminating influences is complex, and real-time drifting of a device cannot be eliminated are successfully overcome, and the defects that due to an existing modification method, non-specific adsorption is caused, and same-piece contrast cannot be achieved are overcome. And the stability and reliability of the detection process cannot be ensured.

The utility model discloses an anti-fouling and antibacterial PVC (polyvinyl chloride) composite film which comprises a PVC base film layer, the viscous layer is arranged on one side of the PVC base film layer; the release paper layer is arranged on one side of the adhesive layer; the antibacterial layer is arranged on one side, opposite to the adhesive layer, of the PVC base film layer; the first antifouling layer is arranged on one side, opposite to the PVC base film layer, of the antibacterial layer; the wear-resistant layer is arranged on one side, opposite to the antibacterial layer, of the first antifouling layer; wherein every two of the PVC base film layer, the antibacterial layer, the first antifouling layer and the wear-resistant layer are sequentially connected in a hot-pressing and bonding manner. The antibacterial layer can effectively inhibit the breeding of bacteria and microorganisms, and the first antifouling layer and the second antifouling layer reduce the generation of stains, so that the fabric is easy to clean and maintain, and the waterproof layer provides additional waterproof protection.

The present invention provides a flexible display cover comprising: an ultra-thin glass; a plastic film disposed on the ultra-thin glass; an anti-fouling layer disposed on the plastic film; an impact-resistant layer disposed on at least one surface of the ultra-thin glass or the plastic film, the impact-resistant layer comprising a disperse phase and a continuous phase, the disperse phase accounting for 10-50 wt % of the impact-resistant layer, an elastic modulus ratio of the disperse phase to the continuous phase being greater than or equal to 70, and the impact-resistant layer having an elastic modulus greater than or equal to 1 GPa; and an adhesive layer disposed between the ultra-thin glass and the plastic film, and the adhesive layer having an elastic modulus greater than or equal to 0.1 GPa. The flexible display cover has good bending resistance and impact resistance.

To provide a glass laminate improved in abrasion resistance of an antifouling layer while having surface asperity, a cover glass, and a display unit.SOLUTION: A glass laminate 10 includes: a glass substrate 11 having a first principal plane 11A and a second principal plane 11B; an antiglare layer 12 having a rugged shape formed on a side of the first principal plane 11A; an antireflection layer 13 formed on a surface of the antiglare layer 12; and an anti-fouling layer 14 formed on a surface of the antireflection layer 13. The antireflection layer 13 includes an outermost layer 131 formed as a silicon oxide layer on a plane in contact with the anti-fouling layer 14. The outermost layer 131 includes at least one metal selected from Zr, Al, Sn, and Zn.SELECTED DRAWING: Figure 3

The present invention provides a method for calculating the burnout rate of a fouling layer, a calculation device, and a computer-readable medium, which solves the problem that the existing method for calculating the burnout rate of a fouling layer is inaccurate. The method for calculating the burnout rate of a fouling layer includes: sequentially dividing the fouling layer from the fouling surface to the wall surface; setting the interior of the fouling as a capillary porous structure and setting the parameter boundary values on the fouling surface; constructing a set of relational expressions for calculating flow and heat transfer parameters, and calculating the flow and heat transfer parameters of each fouling layer according to the set of relational expressions and the parameter boundary values on the fouling surface; judging whether the current fouling layer is a burnout position according to the flow and heat transfer parameters, and if so, obtaining the thickness of the current fouling layer, and calculating the burnout rate of the fouling layer according to the thickness of the current fouling layer and the total thickness of the fouling layer.

The utility model discloses a gas stove shell structure which comprises a shell, the shell comprises a top panel, the outer wall of the front end of the top panel is connected with a front end plate, the outer wall of the rear end of the top panel is connected with a rear end plate, and the outer walls of the left side and the right side of the top panel are both connected with side plates. The top panel, the front end plate, the rear end plate and the two side plates are of an integrated stamping structure, the inner side surfaces and the outer side surfaces of the top panel, the front end plate, the rear end plate and the side plates are all coated with anti-fouling layers, an active air inlet assembly is fixedly installed on the inner wall of the rear end plate and comprises an oxygen sensor and a miniature air pump used for active air inlet, and the oxygen sensor is fixedly installed on the inner wall of the rear end plate. A gas stove relates to the technical field of gas stoves, a controller is arranged to read working data of an oxygen sensor so as to control opening and closing of a miniature gas pump, increase the content of oxygen in a shell, promote gas combustion to be more sufficient, and avoid the situation that gas is not sufficiently combusted and leaks into air to cause personnel inspiration; and the use safety of the equipment is improved.

The invention discloses a temperature response type bionic anti-scaling coating and a preparation method thereof. The bionic anti-scale coating comprises a deformation induction layer used for responding to temperature changes and an anti-scale and anti-fouling layer located on the deformation induction layer. The Young modulus of the anti-scale and anti-fouling layer is more than 2000 times that of the deformation induction layer; the thermal expansion coefficient of the deformation induction layer is gt; 100 ppm / DEG C; the bionic anti-scaling coating has the following dynamic morphology changes after the environment temperature changes: 1) when the environment temperature is reduced from T1 to T2, the bionic anti-scaling coating is changed from a flat state to a wrinkled state; (2) the environment temperature is increased to T1 from T2, the bionic anti-scaling coating is changed into a flat state from a wrinkled state, the temperature T1 is 35 DEG C or above, the temperature T2 is smaller than 35 DEG C, and the difference between T1 and T2 is 5 DEG C or above. Under the influence of temperature change, the bionic anti-scaling coating achieves descaling and antifouling by means of dynamic deformation of wrinkles on the surface of the coating and interfacial stress stripping of deposited minerals with high Young modulus.

The invention discloses a high-performance PVC-U ultra-pure pipe and a preparation method thereof. SG-5 type non-plasticized polyvinyl chloride resin is used as a base material; the preparation method comprises the following steps: adding a topological structure type polycaprolactone-polysulfobetaine amphiphilic copolymer, a methyltin mercaptide stabilizer, an acrylate copolymer anti-impact aid, a methyl methacrylate-butadiene-styrene terpolymer processing aid and a lubricant, and carrying out high-speed mixing, twin-screw extrusion, vacuum setting and ultrapure water cleaning processes. The copolymer is entangled and anchored with a polyvinyl chloride chain through a polycaprolactone arm, and a polysulfobetaine arm forms a hydrophilic anti-fouling layer on the inner surface of the pipe. The total organic carbon precipitation amount of the pipe is 0.008-0.012 mg / m < 2 >. D, the inner surface Ra is 0.40-0.50 [mu] m, and the pipe is suitable for conveying semiconductor ultrapure water, resists 0-60 DEG C and effectively resists biological pollution. The performance is stable, and the existing production process requirements are met.

The utility model discloses oil-separation moisture-resistant coated paper, which relates to the technical field of coated paper, and comprises a protection group layer, the protection group layer comprises first coated paper and a moisture-resistant group layer, the first moisture-resistant group layer is arranged, and an oil-separation group layer comprises a first oil-separation layer, the protection group layer, the moisture-resistant group layer and the oil-separation group layer are combined for use, in the protection group layer, the moisture-resistant group layer and the oil-separation group layer are combined for use, and in the protection group layer, the moisture-resistant group layer and the oil-separation group layer are combined for use. The first coated paper and the second coated paper are arranged at the top and the bottom of the whole body respectively, all the group layers in the protection group layers are matched, the whole body is protected, a moisture-resistant group layer and an oil separation group layer are arranged in the protection group layer, and a first moisture-resistant layer and a second moisture-resistant layer are arranged in the moisture-resistant group layer; the two layers are matched with the reinforcing layer and the tough layer to enhance the moisture-resistant effect on the overall stability, the internal waterproof layer and the antifouling layer can better increase the overall moisture resistance, then the oil separation group layer is arranged in the protection group layer, the first oil separation layer and the second oil separation layer are arranged in the oil separation group layer, and therefore the oil separation effect is improved. And the silicon resin layer is matched to achieve a complete oil separation effect on the whole.

The application provides a preparation method of a paper-texture anti-fingerprint film, the film and a packaging bag. The preparation method comprises the following steps: printing a texture layer on the inner side of a base film by intaglio printing process; printing an anti-fouling layer on the surface side of the base film by surface printing process; and compounding a heat sealing layer on the texture layer; and obtaining the paper-texture anti-fingerprint film through a maturation process. The texture layer is printed on the inner side of the base film by intaglio printing process by using a plate roller with fiber texture in the engraved area, and then the anti-fouling layer composed of a high-molecular touch oil is printed on the surface side of the base film. Finally, the heat sealing layer is compounded on the texture layer. The user will not directly contact the paper-texture layer, the physical properties of the paper-texture layer are stable, the fiber texture is directly engraved by the plate roller, the anti-fouling layer on the surface side plays the anti-fouling and anti-fingerprint roles, and the appearance is not affected. Moreover, the film can be directly used for loading food through the heat sealing layer, the use is convenient, the paper-texture effect is good.

Provided is an optical laminate with a surface protection film that can suppress the generation of air bubbles and adhesive residue while improving antifouling properties. [Solution] The optical laminate 10 comprises a transparent film substrate 11, an antifouling layer 12, and a surface protective film 13 in this order. The surface protective film 13 has a substrate layer 14 and an adhesive layer 15. The antifouling layer 12 and the adhesive layer 15 are in contact with each other. The surface hardness of the main surface 15a of the adhesive layer 15 on the antifouling layer 12 side is 0.01 MPa or more and 0.05 MPa or less, or 0.30 MPa or more and 3.00 MPa or less. The water contact angle of the main surface 12a of the antifouling layer 12 on the adhesive layer 15 side is 115° or more. The adhesion strength between the antifouling layer 12 and the adhesive layer 15 is 0.01 N / 50 mm or more and 0.15 N / 50 mm or less.

The utility model relates to the technical field of float glass and discloses wear-resistant float glass which comprises a base layer, and a plurality of protective coatings A and a plurality of protective coatings B are respectively arranged on two sides of the base layer. The multi-layer protective coating A comprises a nano wear-resistant layer A, a transparent protective layer A, a hardness strengthening layer A and an antifouling layer A which are sequentially coated on one surface of the base layer from inside to outside; the multi-layer protective coating B comprises a nano wear-resistant layer B, a transparent protective layer B, a hardness strengthening layer B and an antifouling layer B which are sequentially coated on the other surface of the base layer and on the surface deviating from the nano wear-resistant layer A from inside to outside. The nano wear-resistant layer, the transparent protective layer, the hardness strengthening layer and the antifouling layer form a composite material with a multi-layer structure, and the coatings act together to provide excellent wear resistance, hardness, scratch resistance, weather resistance, chemical resistance and antifouling effect, so that the glass is suitable for various environments with high performance requirements.

The utility model belongs to the technical field of ceramic processing equipment, and particularly relates to an automatic ceramic powder spraying device which comprises a machine body, a placing box and a ceramic green body, a powder storage barrel is arranged at the top of the machine body, a powder outlet pipe is arranged on one side of the machine body, a spraying head is arranged at one end of the powder outlet pipe, and an isolation mechanism is arranged on the inner wall of the placing box. A containing groove is formed in the top of the containing box, a threaded rod is arranged in the containing groove, mini blocks are arranged on the outer side of the powder storage barrel, an anti-fouling layer is arranged on the outer side of the partition plate, an anti-corrosion layer is arranged on the outer side of the powder storage barrel, a sealing door is hinged to one side of the containing box, a door lock is arranged on the sealing door, and a plurality of sets of mini blocks are fixedly installed on the outer side of the powder storage barrel. Through the arrangement of the isolation mechanism, the placement groove, the threaded rod, the mini block and the corrosion-resistant layer, the cleaning convenience of the ceramic placement box of the automatic ceramic powder spraying device can be further improved, and the corrosion resistance of the powder storage barrel of the automatic ceramic powder spraying device can be further improved.

This invention discloses a method for preparing a PEI-anchored KNN / PVDF-TrFE piezoelectric membrane, belonging to the field of water treatment membrane materials and membrane fouling control technology. Addressing the challenges of existing piezoelectric membranes in achieving both high permeability and effective piezoelectric response, as well as the severe membrane fouling in membrane bioreactors and the high energy consumption and potential damage to membrane materials associated with traditional fouling control methods, this invention uses P(VDF-TrFE) as the membrane matrix, lead-free piezoelectric ceramic potassium sodium niobate (KNN) as the functional filler, and polyethyleneimine (PEI) as the interface anchoring agent. A solvent-free / temperature-induced phase separation method is employed to prepare the composite piezoelectric membrane. After optimization using response surface methodology, the resulting membrane achieves a pure water flux of 2180 L / m² / h and a piezoelectric coefficient d₃₃ of 30.2 pC / N under optimal conditions. Driven by a 10 V, 50 Hz AC electric field, the composite membrane exhibits a localized inverse piezoelectric response at the pore edges, reducing the fouling layer thickness by approximately 30% and increasing the steady-state flux by approximately 184%, demonstrating excellent in-situ antifouling performance. This method has a simple preparation process and uses environmentally friendly materials, which can provide a functional membrane material basis for MBR membrane fouling control in municipal and industrial wastewater.

A glass laminate (10) according to the present invention comprises a glass base (20) having a first main surface (20A) and a second main surface (20B), a functional layer (30) provided on the first main surface (20A) side of the glass base (20) and comprising at least one layer selected from the group consisting of an anti-glare layer, an anti-reflection layer, and an antifouling layer, and a colored layer (40) provided on the second main surface (20B) side of the glass base (20) and comprising a hole formation region in which a plurality of holes (46) are provided, the transmittance of visible light in the hole-forming region is 5% or more.

The utility model discloses composite carbon fiber cloth easy to clean, which relates to the technical field of carbon fiber cloth and comprises warps, wefts are connected to the outer walls of the warps, a heat insulation layer is arranged on the outer walls of the wefts, and a waterproof layer is arranged on the outer wall of the heat insulation layer. The heat insulation layer is made of alumina fiber materials, the melting point of the heat insulation layer is as high as 2050 DEG C, and the heat insulation layer has good heat insulation performance in a high-temperature environment, can effectively isolate a heat source and reduce heat radiation, and can play roles in fire prevention, acid resistance and alkali resistance; the anti-fouling layer and the friction particles are arranged, the anti-fouling layer is made of polyurethane materials, the anti-fouling fabric has the advantages of being soft, good in elasticity and good in air permeability, water and oil can be effectively prevented from permeating, when the surface of the fabric is cleaned, the friction force of the surface of the fabric can be increased through the friction particles, and when rubbing cleaning is carried out, the friction force of the surface of the fabric is increased. Stains on the surface of the cloth are removed through friction particles, and the cleaning efficiency is improved.

The invention discloses an electric integration nanofiltration water purification device and method based on a flexible anode functional separation net gasket, and belongs to the technical field of sewage advanced treatment and membrane pollution control. The device comprises a raw water tank, a water inlet pump, an electric integrated nanofiltration membrane assembly, a direct-current power supply, a cathode chamber, a water outlet tank and a control system. According to the invention, in a flow channel of a nanofiltration membrane assembly, a flexible anode functional separation net gasket which takes a woven titanium net as a substrate and is loaded with an antimony-doped SnO2-Sb thin film catalyst layer is arranged, and the flexible anode functional separation net gasket and an independent cathode form a loop. When operating under a specific voltage, the separation net simultaneously plays three roles: (1) as a physical separation net, the separation net optimizes the hydraulic conditions of a flow channel and generates turbulent flow; (2) as an anode, generating electrooxidation active species to degrade organic pollutants and electrically stimulate microbial communities to form a loose porous pollution layer; and (3) the gas flow generated by the in-situ electrolyzed water and the separation net have a synergistic effect, so that the turbulence and the wall surface shear force are obviously enhanced, and polysaccharide pollutants are efficiently washed, thereby reducing the membrane pollution.

This invention discloses a method and apparatus for solute removal in hemodialysis with precise membrane pore size control, belonging to the field of blood purification technology. The method involves introducing blood and dialysate into both sides of a dynamically controlled bilayer heterostructure dialysis membrane, collecting characteristic signals of metabolic solutes and plasma functional proteins in the blood, inputting these signals into an adaptive pore size decision model, and outputting target pore size and electric field strength parameters. A low-frequency alternating electric field drives reversible conformational changes in stimulus-responsive polymer chains within the membrane, achieving precise control of the membrane channel's effective sieving pore size, locking the pore size within a threshold range where small molecule solutes permeate while plasma functional proteins are completely retained. Combining axial gradient channels and radial charge sieving mechanisms within the membrane achieves graded and targeted solute removal. A piezoelectrically driven periodic micro-pulsating flow field removes the fouling layer from the membrane surface, improving mass transfer stability. This invention automates and precisely controls the dialysis process, improving solute removal efficiency and plasma protein protection.

This utility model relates to the field of lens technology and discloses a multi-point defocus lens, comprising: a base layer; a composite functional layer, including a reflective layer, an anti-fouling layer, and a wear-resistant layer arranged sequentially; and a defocusing structural layer, embedded in the base layer or the composite functional layer, including a honeycomb microlens array arranged in a honeycomb pattern, wherein the density of the honeycomb microlens array is ≥500 / cm². 2 The defocusing amount increases gradually from the center of the lens to the edge. Under ultraviolet light, the TiO2 coating in the anti-fouling layer can decompose more than 95% of organic stains (such as fingerprints and grease). After 1000 wiping tests, the light transmittance decreases. The nano-SiO2 coating has a hardness of 9H (pencil hardness) and excellent scratch resistance. Through plasma pretreatment, the composite functional layer has high adhesion to the base layer and is not prone to delamination even under large temperature differences. The composite layer solves problems such as anti-fouling and anti-scratch, and achieves synergy of multifunctional composite coating with excellent performance.

An apparatus, system, and method may be provided for enhancing solar evaporation. The device may include a solar absorbing material. The buoyancy of the device may be configured or configurable such that when the device is placed in a liquid, the solar absorbing material will be disposed at an average distance d below the surface of the liquid, where 0 lt; d is less than or equal to 10cm. The solar absorbing material may include a plurality of layers including a carbonaceous light absorbing layer and at least one additional layer. The at least one additional layer may include a reflective layer disposed under the carbonaceous light absorbing layer, an anti-reflective layer disposed over the carbonaceous light absorbing layer, and / or a first layer disposed over the carbonaceous light absorbing layer and any anti-reflective layer, wherein the first layer may be composed of an anti-fouling layer, a photocatalyst layer, or a selective mineral adsorption layer.

The utility model provides an insulator surface dirty layer removing device, and belongs to the technical field of insulator cleaning. Comprising an operation table, and a positioning assembly and a cleaning assembly are arranged at the top of the operation table; the cleaning assembly comprises a fixing frame installed on the top of the operation table, a first motor is fixedly assembled on the top of the fixing frame, and a driving wheel is fixedly assembled at the bottom end of an output shaft of the motor. According to the utility model, the insulator is pressed in the turntable, the clamping plate is pushed by the spring to move towards the direction of the insulator until the clamping plate is clamped with the insulator, so that the insulator is limited, the driving wheel is driven by the motor I to rotate, and the driving wheel rotates to drive the two toothed plates and the brush plate to move in opposite directions, so that the clamping plate is clamped with the insulator; and the motor I drives the rotating disc to rotate until the two brush plates are tightly attached to the outer wall of the insulator, and then the motor II drives the rotating disc to rotate to drive the insulator to rotate, so that the brush plates clean the outer wall of the insulator, the cleaning efficiency of the insulator is improved, and normal use of the insulator is guaranteed.

The invention relates to the technical field of packaging material production, in particular to a degradable stretch film and preparation equipment thereof. The film comprises a base layer, a connecting layer and an anti-fouling layer, tearing holes are formed in the base layer at equal intervals, and the problems that an existing degradable stretching film is uneven in tearing opening and prone to damage, and preparation equipment is uneven in pressing fit, prone to layering and blistering and low in die cutting precision are solved. The preparation equipment comprises a rack, a bearing supporting plate, a plurality of discharging mechanisms, a pressing mechanism and a die cutting mechanism. The discharging mechanism extrudes the raw materials into a film through heating and spiral propelling; the pressing mechanism realizes uniform and firm pressing of each layer through arc-shaped matching of a pressing roller and a supporting roller; the die cutting mechanism drives a model cutting tool to be aligned with the die cutting hole through an electric push rod, and a tearing hole is accurately formed; the equipment is also provided with a heat exchange conduit for cooling and shaping the film; the flatness of a thin film tearing opening is guaranteed.

The utility model discloses an anti-fouling flat filament dry net, which relates to the technical field of papermaking equipment and comprises an anti-fouling layer, an isolating layer and a bearing layer which are sequentially arranged from outside to inside, the anti-fouling layer, the isolating layer and the bearing layer are integrally woven, a mesh structure formed by warp and weft weaving is arranged on the anti-fouling layer, and the bearing layer is arranged on the isolating layer. The exteriors of the warps and the wefts of the anti-fouling layer are coated with Teflon coatings; the isolating layer is of a fine triangular reticulate pattern structure formed by weaving warps and wefts, the warps and the wefts of the isolating layer are arranged in a manner that anti-hydrolysis monofilaments and elastic polyester are alternately arranged, and the bearing layer is of a twill reticulate pattern structure formed by weaving warps and wefts. According to the anti-fouling flat filament dry net, through the combined action of the anti-fouling layer, the isolating layer and the bearing layer, the problems that in the prior art, a dry net is prone to being blocked by stains, the air permeability is reduced, and the paper quality is affected are effectively solved, the production efficiency is improved, the production failure rate is reduced, and the anti-fouling flat filament dry net has remarkable practical value and wide application prospects.

The invention provides a waterproof textile fabric for underwater operation, and relates to the field of textile fabrics, the waterproof textile fabric comprises a skin-friendly comfortable layer, and a deodorization layer is woven on the upper surface of the skin-friendly comfortable layer; an energy absorption layer is woven on the upper surface of the deodorization layer; a bonding layer is arranged on the upper surface of the energy absorption layer; a waterproof breathable layer is arranged on the upper surface of the bonding layer; an elastic buffer layer is woven on the upper surface of the waterproof breathable layer; a high-strength wear-resistant layer is woven on the upper surface of the elastic buffer layer; and an antifouling layer is woven on the upper surface of the high-strength wear-resistant layer. The oleophobic fiber of the antifouling layer has extremely low surface energy and can form a hydrophobic and oleophobic interface similar to a lotus leaf effect, and the antibacterial fiber blocks the formation of a biological membrane from the source by destroying microbial cell membranes or metabolic enzymes, so that the problems that the attachments and the biological membrane are easy to block micropores of the cloth, water is easier to permeate into the cloth, and the cloth cannot be damaged are solved. And the waterproof effect is reduced.