47results about How to "Realize the barrier effect" patented technology

The invention discloses water-based coating containing a graphene / zinc-aluminum hydrotalcite nano composition and a preparation method thereof. The water-based coating is prepared from the following components in parts by weight: 30 to 50 parts of water-based resin, 25 to 40 parts of water, 0.1 to 0.5 part of dispersing agent, 0.1 to 0.5 part of wetting agent, 0.1 to 0.5 part of defoaming agent, 0.1 to 0.5 part of thickening agent, 0.1 to 0.5 part of film forming aids, 0 to 10 parts of curing agent, 0 to 25 parts of titanium dioxide, 0 to 20 parts of calcium carbonate, and 0.1 to 2.5 parts of graphene / zinc-aluminum hydrotalcite nano composition. The graphene / zinc-aluminum hydrotalcite nano composition is added into the water-based coating, so that the high temperature resistance, the corrosion resistance, the flame retardant property, the weather resistance, the impact resistance, the abrasion resistance, the hardness and the obstruction property of the water-based coating are significantly improved, and the multiple functions of the water-based coating are improved.

The invention relates to a supported composite photocatalytic coating and a preparation method thereof. A supported photocatalytic coating and a waterproof adhesive layer are adhered to and combined with a substrate; a specially structured supporting material and a composite TiO2 / g-C3N4 photocatalyst are mixed in a high energy ball milling manner so as to effectively improve the supporting rate of the photocatalyst; and the response range can be widened to visible light from ultraviolet light through the composite photocatalyst, thus realizing effective photocatalysis efficiency. The supported composite photocatalytic coating and the preparation method thereof are simple in process, have relatively high economic and environment benefits and belong to high value-added resource utilization.

The invention discloses a military puncture-proof, tear-resistant, anti-static and high-barrier camouflage painting composite which sequentially comprises a nylon camouflage cloth camouflage layer, a high-barrier layer taking aluminum foil as a substrate, and a heat sealing layer of a polyurethane elastomer film from the outside in. A preparation method of the composite comprises the steps of A preparing the high-barrier layer, and compositing polyethylene glycol terephthalate film and a polyamide film on the upper and the lower surfaces of the substrate, namely the aluminum foil, B compositing the upper surface of the high-barrier layer with a camouflage layer and curing, C compositing the lower surface of the high-barrier layer with the heat sealing layer of the thermoplastic polyurethane elastomer film and curing, and D coating the internal surface of the heat sealing layer with an antistatic agent, and obtaining the camouflage composite. According to the composite and the method, with the adoption of specific compositing and curing processes, the prepared camouflage composite has puncture-proof, tear-resistant, anti-static and high-barrier functions and the like, a protection envelope prepared by the material can effectively prevent army materials from being damp during long-term field storage and transportation, and the storage and transportation quality of the materials is improved.

The invention relates to a full-life-stage recirculating aquaculture system of jellyfish and a breeding method therefor. The full-life-stage recirculating aquaculture system of the jellyfish comprisesa dismountable breeding cylinder, a bottom cylinder, a filtering system, a water pump, an upper water pipe, a lower water pipe or the like. The upper water pipe is used for supply water to the breeding cylinder, and the lower water pipe is used for leading the water in the breeding cylinder out and into the filtering system in the bottom cylinder, so that the breeding water can be recycled between the breeding cylinder and the filtering system. The breeding cylinder provides power for motion and predation of the jellyfish and realizes an oxygenation effect by air holes and / or a porous water spraying pipe, and a porous inclined plate blocks the jellyfish so as to keep the jellyfish in the breeding cylinder, so that mechanical damage caused by jellyfish salvage can be avoided. The full-life-stage recirculating aquaculture system of the jellyfish, and the breeding method therefor solve breeding problems in different stages of a life cycle of the jellyfish, can also greatly save manpowerand time consumed in jellyfish breeding, increase breeding efficiency and are of good application prospect.

The invention discloses a contaminated site risk management and control collaborative remediation system based on functional barrier. The remediation system comprises a pollution barrier, a pollutionremediation area and a water treatment system. An annular field groove is formed in the periphery of the contaminated site, and the pollution barrier and the pollution remediation area are arranged inthe annular field groove and separated by a supporting plate; the pollution remediation area is located on the inner side of the annular field groove and comprises a water collection and drainage system, a remediation filler layer, an aeration system and a filter layer. The water collection and drainage system comprises a water collection and drainage groove which is laid at the bottom of the annular field groove along the pollution remediation area; a submersible pump is arranged in the water collection and drainage groove and used for conveying polluted underground water to a water treatment system; the remediation filler layer is arranged above the water collection and drainage groove; the aeration system is arranged on the inner side of the remediation filler layer; the filter layer is positioned on the inner side of the aeration system and is separated from the aeration system by a sieve plate. According to the invention, a functional barrier remediation process is realized, so that the pollution remediation function of a risk management and control technology is improved, and the coordination of risk management and control and pollution remediation is realized.

The invention discloses flame-retardant modified PMMA (polymethylmethacrylate) microspheres and a preparation method thereof. The flame-retardant modified PMMA microspheres are of a nanometer core-shell structure, an inner core is PMMA microspheres, and an outer shell is an electrolyte layer formed by alternately depositing of different two-dimensional nanosheet layers. The preparation method comprises the steps as follows: soaking the PMMA microspheres pretreated by isopropanol in a graphite phase carbon nitride suspension liquid and a graphene oxide dispersion liquid sequentially for layer-by-layer self-assembly to obtain the flame-retardant modified methyl methacrylate microspheres. According to the flame-retardant modified PMMA microspheres, the hindering effect on oxygen and volatile gas transfer and the barrier effect on heat flow are realized mainly based on the physical barrier function of the two-dimensional nanometer sheet layers, and accordingly, excellent flame retardant performance and self-extinguishing performance are obtained. The preparation method is simple and flexible to operate, good in stability, lower in cost, low in operation condition requirement, and beneficial to large-scale industrial production.

The invention discloses a self-flowing water curtain fireproofing roller shutter door. The self-flowing water curtain fireproofing roller shutter door includes a roller shutter door main body for fireproofing of a shopping mall and a linkage rotating shaft for driving a roller shaft to close and release a compound curtain plate; the self-flowing water curtain fireproofing roller shutter door further includes a secondary supporting frame water-accumulating hollow shaft for injecting water, a hollow water injecting bolt for fixing the compound curtain plate and a fireproofing roller shutter controller for uniformly controlling the roller shutter door main body, wherein a container is fixedly mounted at the top end of the roller shutter door main body; the roller shaft is movably mounted in the center of the inner part of the container; a motor box main frame is mounted at one end of the container, and a roller door machine used for a fireproofing roller shutter is arranged on the inner part, located on the inner side of the roller shaft, of the motor box main frame. According to the self-flowing water curtain fireproofing roller shutter door, the fire can be effectively partitioned,the inner temperature of the roller shutter door can be maintained constant, and thus the damage of the roller shutter door can be effectively avoided, the safety of surrounding people can be effectively achieved; and fire disaster can be inducted, self-starting of water can be realized, and the switching to manual water supply is convenient when a circuit is disordered.

The invention discloses high-barrier nylon as well as a preparation method and application thereof, and belongs to the field of polymer materials. According to the product disclosed by the invention, the supercritical fluid is introduced into a nylon matrix as a reaction aid, so that the compatibility of all the components is improved, and meanwhile, the physical dispersion of all the components is realized; besides, unsaturated dicarboxylic acid is introduced into the components, dispersed in a nylon matrix and subjected to a polymerization reaction with the nylon matrix, and an obtained polymerization product reacts with surrounding oxygen under the action of a catalyst, so that after the high-barrier nylon is prepared into a packaging material, internal residual oxygen can be completely consumed, and the internal oxygen content can be controlled to be lower than 1.5 ppm; and physical barrier and chemical barrier to oxygen are really realized. The invention also discloses a preparation method of the high-barrier nylon and a food packaging material prepared from the high-barrier nylon.

The invention discloses a chargeable educational robot. The chargeable educational robot comprises a universal chassis, a foot part, a body, a charging device and a head part, wherein four wheels are arranged at the bottom of the universal chassis; the four wheels comprise two motor driving wheels and two universal wheels, so that the robot moves front and back, left and right; the foot part is integrally connected with the chassis, the body and the head part of the robot through an aluminium alloy pipe; the body and the head part are provided with a touch screen display and a printing module; and the touch screen display is used for displaying expressions of the robot, touch games and interaction of internet data. A system of the chargeable educational robot comprises a controller, a USB device, a digital output interface, a MOS tube high-power motor and an analog acquisition interface, wherein the controller comprises a 32-bit microprocessor, a program memory, a data memory, a USB interface, a No.6 digital signal output channel, a MOS tube high-power motor output interface and a No.24 analog signal acquisition channel.

The invention discloses nano-zinc oxide-filled diatomite-rubber powder composite modified aging-resistant asphalt which is characterized in that a preparation method comprises the following steps: calcining diatomite at a high temperature, mechanically grinding and crushing, sieving and then drying; mechanically crushing and sieving a waste tire to obtain a waste rubber powder; adding a silane coupling agent in an alcoholic solution, hydrolyzing, uniformly spraying on the surface of the rubber powder and fully mixing; after microwave treatment, soaking with a sodium hydroxide solution and thendrying in a drying box to obtain the modified rubber powder; dissolving graphene oxide in dimethyl formamide to obtain a liquid A; dissolving nano-zinc oxide in dimethyl formamide to obtain a liquidB; mixing the liquids A and B and organic vermiculite and performing magnetic stirring and water-bath heating to obtain a compound aging-resistant modifier; heating petroleum asphalt to a flow state,adding the materials obtained previously, uniformly stirring, placing in an oil bath pan for heat preservation, cutting and swelling to obtain the aging-resistant asphalt.

The invention provides a large-diameter porous spacing structure used in a biological-cathode microorganism electrochemical system, and relates to a large-diameter porous spacing structure in an electrochemical system. The invention aims to solve the problem of high cost of a spacing material in an existing microorganism electrochemical system. The porous spacing structure main body is in a plateshape or a cylindrical shape and comprises at least one layer of large-diameter porous spacing material, at least one layer of insulation material is arranged in the large-diameter porous spacing material in the structure main body, holes of the large-diameter porous spacing material are opened holes, and the diameters of the holes are 0.1 micrometer to 5 millimeters. The spacing structure is usedfor partitioning a cathode chamber and an anode chamber, the structure has seepage water through capability, and oxygen dissolution between the cathode and the anode at two sides, COD gradient and negative / positive ion conduction capability are maintained; compared with an ion / proton exchange membrane, the structure has the advantage that very low cost can be achieved; and the large-diameter porous spacing structure is suitable for the biological-cathode microorganism electrochemical system.

The invention relates to the field of water-gas isolation and safety in industries like food, drug safety, green building, aviation, spaceflight, energy, the war industry, scientific research and the manufacturing industry, and provides a full barrier film and a vacuum full barrier chamber / bag and a production process thereof. The film is prepared through compounding of pure aluminum glass fiber cloth, pure aluminum brown paper, multilayer polyvinylidene chloride (PVDC), polyvinyl alcohol (PVA for short), polyethylene terephthalate (PET), pure aluminum (Al) and high pressure polyethylene (LDPE), polypropylene (PP) or ethane-vinyl acetate copolymer (EVA). A multi-layer buffer structure has a full barrier effect on gas and water vapor and enables the leakage value of gas and water vapor to be zero. The full barrier film has significant influence in vacuum insulation, quality guaranteeing and efficiency guaranteeing of products like bags, bottles and boxes prepared from the full barrier film and exerts substantial effects; due to usage of a comprehensive compound manner, the full barrier film has strong structural capacity and excellent weatherability, can meet production requirements of hot forming and presents extremely excellent barrier performance and outstanding thermal deformation temperature when used in products and long-acting system engineering having extremely high barrier requirements.

The invention provides an earthworm and snail obstructer in an airfield runway. The earthworm and snail obstructer in the airfield runway comprises a plurality of obstructing units which are separately arranged on two sides of the airfield runway; each of the obstructing units is a semi-closed hollow cavity which is encircled by a bottom plate, a left side plate, a right side plate, a rear side plate and a top plate, wherein the opening of the cavity backs on to the airfield runway. A vertical plate which is vertical to the left side plate and is suspended in the bottom is mounted on the top plate in the hollow cavity, and the height of the vertical plate is not greater than half of the height of the left side plate and the length of the vertical plate is equivalent to that of the bottom plate; an agent holding plate is mounted on the side face, facing the rear side plate, of the vertical plate, and the length of the agent holding plate is equivalent to that of the vertical plate; a chemical agent for killing or repelling earthworms and snails is put on the agent holding plate. By using the earthworm and snail obstructer in the airfield runway, lower animals such as earthworms and snails can be effectively prevented from entering into the airfield runway in all weather. The obstructer not only can physically obstruct the earthworms and snails, but also can chemically kill the earthworms and snails, and the obstructer is simple in using method and lasting in effectiveness.

The invention discloses a novel intelligent laser cutting machine, which includes a machine tool body. The feeding end of the machine tool body is provided with a driving roller, both sides of the machine tool body in the length direction are internally and slidably provided with lifting type protective isolation plates correspondingly, the machine tool body is internally provided with a driving mechanism which drives the lifting type protective isolation plates to slide up and down, and infrared ray alarms connected with driving mechanism circuit signals are fixedly arranged on both sides, near the driving roller, of the machine tool body in the length direction correspondingly; and the infrared ray alarms are vertically arranged with the side wall of the machine tool body, mirror face refracting plates are fixedly arranged on both sides, near the infrared ray alarms, of the machine tool body correspondingly, the mirror face refracting plates are obliquely arranged at 45 degrees, andinfrared ray receiving plates are vertically fixedly arranged on both sides, away from the driving roller, of the machine tool body correspondingly. According to the novel intelligent laser cutting machine, the condition that apprentice inadvertently closes to observe laser cutting head work can be effectively avoided, and safety is improved.

The invention discloses a damage prevention ordered transporting device for snake wine, and belongs to the technical field of industrial production devices. The device comprises a supporting frame. Acarrier plate is fixed to the top of the supporting frame, an inlet is formed in one end of the top of the carrier plate, and first baffles are fixed to the two sides of the inlet. A transfer mechanism is arranged on the side, close to the inlet, of the carrier plate. According to the damage prevention ordered transporting device, rotating mechanisms are arranged on a conveying mechanism, along with transmission of a conveying belt and cooperative use of an air bellow, wine bottles can be rotationally aired in the conveying process, and the airing effect of the device is improved; through thearrangement of drive mechanisms on one side of the conveying mechanism and drive of a conveying moor, rotating wheels can be driven to rotate through cooperation with the drive mechanisms, then shifting plates on a first rubber belt is controlled to run while the conveying mechanism is started, and pushing and blocking to the wine bottles are achieved; and colliding of the wine bottles in the conveying process is effectively avoided, wine bottle damage is avoided, and noise of the device in the use process is lowered.

A reservoir for a hydraulic system includes a housing having an inlet and an outlet. The inlet is adapted to receive an incoming fluid and is formed within an inlet tube that extends into the housing. A filter within the housing, includes a filter element, defining an inner filter chamber, and includes an inlet opening encompassing the inlet tube that extends into the housing. The inlet opening allows the incoming fluid to enter the inner filter chamber for filtration. A base wall around the inlet opening includes a guide step that guides a relative movement between the reservoir and the filter. A relative movement between the filter and the reservoir facilitates the base wall, the guide step, and the inlet tube, to co-operate and establish a bypass route for selectively allowing the incoming fluid to bypass the filter, depending upon a predetermined differential pressure between the inlet and the outlet.

The invention discloses a heat insulation shell for a high-temperature pump. The heat insulation shell comprises a tubular shell body, and the peripheral wall of the shell body is provided with a motor supporting platform and a fixed platform from top to bottom. The heat insulation shell further comprises a cooling liquid passage and an enclosure, the enclosure is a wall surface with the lower endconnected to the shell body and stretching out of the shell body, the fixed platform is arranged at the upper end of the enclosure, and an air-cooled heat insulation cavity with a sealed lower end and an open upper end is formed between the enclosure and the peripheral wall surface of the shell body. The cooling liquid passage is formed in the shell body and is opposite to the enclosure. Under the dimensional space limitation condition, the heat insulation shell is additionally provided with the air-cooled heat insulation cavity and the cooling liquid passage through structure optimization, two-stage stepped heat dissipation is realized, and the heat transferred to a motor can be greatly reduced. Meanwhile, the two-stage stepped heat dissipation structure can not only reduce the ultra-high heat stress caused by rapid cooling of liquid, but also reduce the consumption of cooling liquid, so that the service life of the motor and the whole pump is prolonged.

The embodiment of the invention provides dry chemical detection test paper and a preparation process, and relates to the field of dry chemical detection. The dry chemical detection test paper comprises an upper layer substrate, a middle layer and a lower layer substrate which are sequentially stacked in the longitudinal direction, and a plurality of sample adding holes formed at intervals are formed in the upper layer substrate; the middle layer comprises a plurality of detection areas and blocking areas, the middle layer is a porous material film and is formed by irreversible hole closing treatment on pores of the blocking areas, the pores of the detection areas can allow liquid to permeate from the sample adding holes and diffuse in the longitudinal direction and the transverse direction, and each blocking area correspondingly surrounds the periphery of the corresponding detection area and limits the transverse diffusion boundary of the liquid; the lower substrate is provided with aplurality of detection holes. The preparation process of the dry chemical detection test paper mainly comprises the following steps: sequentially stacking the layers together, and carrying out hole closing treatment on pores of the barrier region of the middle layer, or carrying out hole closing treatment and then stacking. The structure and the process are simple, and independent detection of each detection area can be realized without mutual interference.

The invention provides anticorrosive coating with a barrier property and belongs to the field of waterborne coating. The anticorrosive coating is prepared from the following components in parts by weight: 60 to 90 parts of poly(aromatic ether sulfone) coating, 1 to 20 parts of a modified two-dimensional nano-TiO2 sheet layer, 0.2 to 3 parts of a flatting agent, 0.1 to 2 parts of a dispersant, 0.5to 5 parts of a film-forming auxiliary agent, 0.1 to 2 parts of a de-foaming agent and 0.5 to 2 parts of an adhesion promoter. The modified two-dimensional ultra-thin nano-TiO2 sheet layer is obtainedby adding two-dimensional ultra-thin nano-TiO2 sheet layer into a silane coupling agent and carrying out surface modification; the thickness of the modified two-dimensional ultra-thin nano-TiO2 sheetlayer is 10 to 50 nm and the spreading width of a nano-sheet is 100 to 500 nm. The anticorrosive coating provided by the invention has good barrier property.

The invention relates to the field of porous organic framework materials, and particularly provides a covalent organic framework material as well as a preparation method and application thereof. The structure of the covalent organic framework material is as shown in a formula (1) in the specification. The preparation method comprises the following steps: in a reaction solvent, taking 5, 10, 15, 20-tetra (4-aminophenyl) porphyrin, 2, 5-dihydroxy terephthalaldehyde and pyruvic acid as monomers, carrying out heating reaction for a period of time under the action of a catalyst to obtain a crude product, cooling to room temperature, and carrying out centrifugal separation, purification and vacuum drying on the crude product to obtain a purplish red product. The problems that in the prior art, COF materials are not fully developed and utilized, and in the prior art, masks can only block viruses, almost have no capability of killing bacteria or viruses, and are disposable masks are solved.

The invention discloses a roller type textile printing device. The roller type textile printing device comprises a workbench and a magnetic table, a frame body is arranged on the workbench, a plurality of dyeing rollers are arranged on the workbench, knife rests and liquid conveying cylinders are arranged in the dyeing rollers, conveying assemblies are arranged between the plurality of dyeing rollers, through holes are formed in the lower sides of the knife rests and the lower sides of the liquid conveying cylinders, control assemblies are arranged on the knife rests, a guide base is fixedly connected to the lower end of each knife rest, a scraper is slidably connected into each guide base, a liquid conveying channel is formed in each scraper, a cavity is formed in each guide base, a hose is arranged in each cavity, an adjusting assembly is arranged in each guide base, and a plurality of pretreatment assemblies are arranged on the upper side of the workbench. Water in an inner cavity is heated through an electric heating piece in a box body, heat in the water is dissipated through a cooling fin at the lower end of the box body to pre-dry part of color paste printed and dyed on textile in the transportation process, at the moment, a first negative pressure pump at the upper end of the box body works to generate negative pressure, and redundant color paste on the textile is blocked and then sucked away through a connecting pipe and a first paste suction head at the lower end of the box body.

The invention provides a conductive anticorrosive coating using organic silver as a light curing accelerator, belongs to the field of anticorrosive conductive coatings and relates to extraction of aqueous phase Ag+ into an organic phase to be as a photothermal curing agent for organic resins by using N-p-toluenesulfonylpyridine so as to be used for carbon-based anticorrosive coatings, increasingphotocuring effect, promoting film densification and increasing conductivity. Specifically, after the conductive anticorrosive coatings prepared by adding an organic solution of the N-p-toluenesulfonylpyridine is coated on the metal member, a formed film layer is under the photothermal effect of sunlight and consequently, curing speed is accelerately and densification process of the film is promoted; silver complex organic matter can reduce silver ions under photothermal conditions and generate nano silver particles in situ, and silver colloid in a conductive chain can improve conductivity. When the conductive anticorrosive coating is applied to a metal part, the cured anticorrosive coating has the advantages of having excellent weather resistance, oil resistance, salt spray resistance, and acid, alkali, water and other corrosive substance resistance, good conductivity and permeability resistance, and displaying excellent ground net composite anti-corrosion grounding performance.

The invention provides a sound-controlled plunger which comprises a shell, a signal acquisition module and a controller, wherein a driver module is arranged in the shell; the signal acquisition moduleis electrically connected with the driver module and the signal acquisition module; a command signal transmitted by a user is acquired by the signal acquisition module and transmitted to the controller, the command signal is received by the controller, and the driver module is controlled to work. According to the sound-controlled plunger provided by the invention, opening and closing of the plunger can be realized by virtue of a voice command of the user, so that connection and isolation between the water tank and a sewer line can be realized. Furthermore, on one hand, under the condition that hands of the user do not enter water, the drainage effect can be achieved, and the operation is convenient and reliable; on the other hand, the condition that the water in the sewer line flows backinto the water tank to cause secondary pollution can be avoided, and the using reliability of the plunger is improved.

The invention provides a mobile movable partition. The mobile movable partition includes a guide rail and a plurality of movable unit bodies which are in butt joint with each other, hanging wheels arearranged at the tops of the movable unit bodies, the guide rail is arranged at the top of a room, and the movable unit bodies are slidably connected with the guide rail through the hanging wheels. According to the mobile movable partition, telescopic mechanisms are utilized to adjust the positions of upper pressing strips and lower pressing strips to realize the positioning and movement of the movable unit bodies, the movable unit bodies can be arranged according to the requirements of the actual situation to achieve partial or complete partitioning of the space, and sound insulation, thermalinsulation and other performance of the partitioned space are effectively ensured.

The invention discloses a skylight frame with good stability. The skylight frame comprises a window seat, a skylight, a connecting mechanism and a filtering mechanism, wherein the connecting mechanism is arranged between the window seat and the skylight, the top end of the filtering mechanism is fixedly connected to the bottom end of the skylight, the bottom end of the filtering mechanism is slidably connected to the outer side of the window seat, the window seat comprises a seat body used for bearing the skylight, and the seat body is fixedly arranged on the outer side of the top end of a window opening. According to the skylight frame with good stability, gaps between the window seat and the skylight is blocked through the filtering mechanism arranged on the periphery of the bottom end of the skylight, outside mosquitoes, sundries and the like are filtered through filter screens and prevented from entering a room along with airflow to influence the normal life of a user, practicability of the skylight frame is enhanced, the filter screens can be effectively fixed and clamped through sliding grooves, the filter mechanism is prevented from being damaged when wind is too large, normal use of the filter mechanism is ensured, and the service life of the filter mechanism is prolonged.

The invention discloses an intelligent batten gluing machine for wood processing. The intelligent batten gluing machine for wood processing comprises a rack and a coating assembly arranged on the rack. The intelligent batten gluing machine for wood processing is characterized in that a glue feeding assembly capable of shuttling along the gluing width of the coating assembly is arranged on the rack, a glue feeding channel communicating to the coating assembly is formed in the glue feeding assembly, a closing block capable of closing the coating assembly is arranged on one side of the glue feeding channel on the glue feeding assembly, a glue return channel is arranged on the other side opposite to the closing block, a cleaning mechanism capable of spraying along the coating length directionand an isolating mechanism capable of shuttling along the coating width direction are arranged on the rack separately, and the cleaning mechanism and the isolating mechanism are located on two sides of a glue discharging position of the coating mechanism. The intelligent batten gluing machine for wood processing disclosed by the invention is high in stability, can save glue and reduce the processing environmental pollution effectively, and meanwhile, can clean automatically.

The invention provides anticorrosive coating with a barrier property and belongs to the field of waterborne coating. The anticorrosive coating is prepared from the following components in parts by weight: 60 to 90 parts of poly(aromatic ether sulfone) coating, 1 to 20 parts of a modified two-dimensional nano-TiO2 sheet layer, 0.2 to 3 parts of a flatting agent, 0.1 to 2 parts of a dispersant, 0.5to 5 parts of a film-forming auxiliary agent, 0.1 to 2 parts of a de-foaming agent and 0.5 to 2 parts of an adhesion promoter. The modified two-dimensional ultra-thin nano-TiO2 sheet layer is obtainedby adding two-dimensional ultra-thin nano-TiO2 sheet layer into a silane coupling agent and carrying out surface modification; the thickness of the modified two-dimensional ultra-thin nano-TiO2 sheetlayer is 10 to 50 nm and the spreading width of a nano-sheet is 100 to 500 nm. The anticorrosive coating provided by the invention has good barrier property.

The invention provides an earthworm snail blocker for an airport runway. The airport runway earthworm snail barrier includes several barrier units arranged on both sides of the airport runway; each barrier unit is enclosed by a bottom plate, a left side plate, a right side plate, a rear side plate and a top plate to form a half with an opening facing away from the airport runway. A closed hollow cavity; a vertical plate perpendicular to the left plate and suspended at the bottom is installed on the top plate of the hollow cavity, the height of the vertical plate is not greater than half of the height of the left plate, and the vertical plate is not more than half of the height of the left plate. The length of the straight plate is equivalent to the length of the bottom plate; a medicine holding plate is installed on the side of the vertical plate facing the rear side plate, and the length of the medicine holding plate is equivalent to the length of the vertical plate; Chemicals for killing or repelling earthworms and snails are placed on the medicine board. The invention can effectively prevent earthworms, snails and other low-level animals from climbing into the airport runway all-weather, and can not only physically block, but also chemically kill, and has the advantages of simple use method and lasting effect.

The present invention relates to a container for a hydraulic circuit, more specifically, to a hydraulic oil compensation tank for a hydraulic power steering device, which includes a housing (2), an inlet ( 4) and outlet, at least one filter (5, 24) and bypass channel (13), the at least one filter (5, 24) is arranged between the inlet (4) and the outlet and surrounds the inner filter chamber ( 6), for separating solid constituents from a fluid flow, wherein the filter (5, 25) has an inlet opening (11) on one wall (7), which can be connected in a fluid-tight manner to the inlet (4), and a bypass passage (13) for selectively bypassing the filter (5, 24) according to a pre-determinable pressure differential between the inlet (4) and the outlet. At least one sloshing baffle (16, 26) protruding into the inner filter chamber (6) is arranged on the wall (7).