223results about How to "Improve self-cleaning ability" patented technology

The invention provides a lake ecological water level calculation method, device and system and a storage medium, and relates to the technical field of water resource regulation and control. The method comprises the following steps: obtaining the water turbidity of a target lake and the biomass of all submerged plants existing in the target lake; the water depth required by growth is calculated; dividing the target lake into habitat units; calculating the actual water depth of each habitat unit; calculating the plant coverage by using the water depth required for growth and the actual water depth; and obtaining an ecological water level range and an annual water level regulation and control range based on the plant coverage and taking the ranges as lake ecological water level results. By constructing the growth-illumination model and the underwater illumination prediction model of the submerged plants, the monthly water level accurate regulation and control based on biological requirements are realized, and by subdividing habitat units and analyzing ecological requirements, the growth conditions of the plants can be optimized, the water quality and biological diversity of a lake ecosystem can be improved, and the water quality and the biological diversity of the lake ecosystem can be improved. And the scientificity and systematicness of lake management are enhanced.

The invention belongs to the field of photovoltaic glass coatings, and particularly relates to a super-hydrophilic anti-reflection wear-resistant self-cleaning coating for room-temperature curing of photovoltaic glass, which takes nano silicon dioxide sol as a main film-forming agent to cure and form a film and comprises the following raw materials in parts by weight: 55-90 parts of deionized water, 9-20 parts of nano silicon dioxide sol, 1-10 parts of a silane coupling agent and 0.001-1 part of nano titanium dioxide. The coating is prepared from the following components in parts by weight: 0.01-1 part of a surfactant, 0.01-1 part of modified polyvinyl alcohol, 0.01-1 part of water-based acrylic resin, 0.001-1 part of an antistatic agent, 1-5 parts of a curing agent, 1-5 parts of a flatting agent and 0.1-1 part of a wear-resistant agent. The super-hydrophilic anti-reflection wear-resistant self-cleaning coating has super hydrophilicity, the water contact angle is below 10 degrees, the hydrophilicity, the antistatic property, the anti-reflection property, the wear resistance and other properties of glass can be remarkably improved, and when the super-hydrophilic anti-reflection wear-resistant self-cleaning coating is applied to photovoltaic module glass, the photoelectric conversion efficiency in photovoltaic power generation can be improved.

The invention provides a self-cleaning method and device of cleaning equipment and a cleaning system, relates to the field of cleaning equipment, and is applied to the cleaning system comprising the cleaning equipment and a cleaning base station, and the cleaning equipment comprises a floor brush assembly and a scraping strip assembly; the scraping strip assembly is provided with a first position in contact with a to-be-cleaned surface and a second position at which a preset distance is kept between the first position and the to-be-cleaned surface; comprising the steps that when it is detected that cleaning equipment is located in a cleaning base station and is in an initial cleaning mode, a scraping strip assembly is controlled to reciprocate between a first position and a second position; when it is detected that the smudginess degree of the scraping strip assembly is the target smudginess degree, a target self-cleaning mode corresponding to the target smudginess degree is controlled to be switched, and self-cleaning is conducted; each smudginess degree corresponds to a respective self-cleaning mode, so that the cleaning of smudginess on the scraping strip assembly is facilitated by controlling the scraping strip assembly to perform reciprocating lifting brushing operation and applying different self-cleaning modes according to different smudginess degrees, and the self-cleaning effect is enhanced.

The invention relates to the technical field of ecological breeding, in particular to an ecological breeding method based on a water ecological restoration system, which comprises the following steps: evaluating the water quality of a water area subjected to chemical restoration, evaluating the water pollution degree of the water area, and determining the water ecological restoration system according to the evaluation result of the water pollution degree of the water area. Calculating the maximum putting density of the target aquatic plants corresponding to the water area and the maximum putting quantity of the target microorganisms; finally determining the optimal putting proportion of the target aquatic plants and the target microorganisms in the water area; after the water area is put according to the optimal putting proportion of the target aquatic plants and the target microorganisms, a monitoring period is set, the water quality of the water area in the monitoring period is monitored, and the target aquatic plants and the target microorganisms are monitored according to the water quality monitoring result of the water area in the monitoring period. Adjusting the planting density of the target aquatic plants corresponding to the water area in the next monitoring period and the feeding quantity of the target microorganisms; the ecological balance of the water area can be recovered, the self-cleaning capacity of the water body can be improved, and a guarantee is provided for regional ecological safety.

The invention discloses a gas purification device for an experiment table, which comprises a shell, a plurality of air inlet holes are formed in the side wall of the shell along the circumferential direction, a coarse filter cartridge is arranged in the shell, an activated carbon filter cartridge is arranged in the coarse filter cartridge, a guide cylinder is arranged in the activated carbon filter cartridge, an exhaust passage communicated with an exhaust hole is formed in the guide cylinder, and a plurality of air inlet holes are formed in the side wall of the shell along the circumferential direction. An exhaust channel is formed in the shell, an air inlet is formed in the bottom of the exhaust channel, a flow guide column is fixedly arranged in the exhaust channel, a spiral flow guide piece is arranged on the outer wall of the flow guide column in the axis direction, and a plurality of ultraviolet germicidal lamps are arranged on the side wall of the flow guide column at intervals. Large-particle impurities are preliminarily filtered by the coarse filter cylinder, harmful gas is adsorbed by the activated carbon filter cylinder, and the gas is further purified by the spiral flow deflector and the ultraviolet germicidal lamp in the flow guide cylinder, so that the discharged gas is ensured to reach the environment-friendly standard.

The invention belongs to the technical field of polymers and functional coatings, and discloses an anti-icing coating and a preparation method thereof. The anti-icing coating is prepared from the following components in parts by weight: 20 to 40 parts of hydroxy acrylic resin; 10 to 30 parts of hydroxyl-terminated fluorine-containing polysiloxane; 1-3 parts of a dispersion accelerator; 2-5 parts of a hydrophobic migration agent; 1-10 parts of a curing agent; 0.5 to 1 part of a thixotropic agent; and 30-70 parts of an organic solvent. According to the anti-icing coating disclosed by the invention, reactive hydroxyl acrylic resin and hydroxyl-terminated fluorine-containing polysiloxane are adopted as coating matrixes, and a specific dispersion accelerator and a hydrophobic migration agent are further adopted, so that good strength, adhesive force and hydrophobic stain resistance are achieved at the same time; the anti-icing coating can be widely applied to anti-icing treatment of electric power facilities, vehicles and building decoration.

The invention provides a preparation method of an ETFE fluorofilm plate with excellent comprehensive performance, and belongs to the technical field of manufacturing of high-performance building materials. According to the preparation method, a metal plate plated with an aluminum-zinc alloy film layer serves as a substrate, and the upper surface and the lower surface of the substrate are each provided with a composite plating layer. The composite coating comprises a silicon dioxide-carbon tube coating, an indium tin oxide coating, a wear-resistant layer, an ETFE fluorine film layer and a wear-resistant hydrophobic layer. The ETFE fluorine diaphragm plate prepared by the method not only has excellent corrosion resistance and excellent heat insulation performance, but also has good scratch-resistant protection and weather resistance, and particularly, the coated wear-resistant hydrophobic layer effectively reduces the adhesion of moisture on the surface of the diaphragm plate, improves the self-cleaning performance of the diaphragm plate, reduces the maintenance cost, and is suitable for large-scale popularization and application. The introduction of the layer not only protects the surface of the film, but also enhances the stability of the film in the long-term use process. The ETFE fluorine film plate prepared by the method is suitable for various high-performance building requirements, and shows a wide application prospect.

The invention discloses a mother roll tail sealing and glue spraying device with a self-cleaning function, and relates to the technical field of papermaking processing auxiliary equipment.The mother roll tail sealing and glue spraying device comprises a glue spraying assembly used for sealing the tail of a mother roll in the paper roll processing process and a gas spraying assembly used for cleaning the glue outlet position of the glue spraying assembly, and the glue spraying assembly comprises a mounting plate and a glue spraying box; a connecting pipe is fixedly installed on one side of the glue spraying box, a glue spraying nozzle is fixedly installed on the connecting pipe, a cleaning assembly is fixedly installed on the connecting pipe, the distance between the air spraying head and the glue spraying nozzle can be conveniently adjusted through an adjusting hole, the applicability is high, the cleaning assembly is adopted, solidified glue attached to the glue spraying nozzle can be conveniently scraped away during long-time use, and the glue spraying efficiency is improved. According to the technical scheme, the scraping plate is arranged on the scraping plate, circular motion is carried out during scraping, the scraping cleanliness is improved, the automatic cleaning effect is improved, an adjusting motor with an encoder is adopted, the scraping plate is conveniently folded to one side when cleaning is not carried out, it is avoided that the glue spraying effect of mother roll tail sealing is affected, and the glue spraying effect during use is improved.

The invention belongs to the technical field of fabric coatings, and particularly relates to a self-cleaning sensing type composite coating for fabric and a preparation method of the self-cleaning sensing type composite coating. The self-cleaning sensing type composite coating comprises a polypyrrole coating, a ferroferric oxide coating and a hydrophobic polyurea modified coating. The self-cleaning sensing type composite coating has good self-cleaning performance, sensing performance, wave absorbing performance and hydrophobic performance.

The utility model discloses an opposite-pulling asymmetric double-arch large-span stadium roof structure which comprises a front inclined giant arch and a rear inclined giant arch, and the front inclined giant arch and the rear inclined giant arch are connected through a plurality of opposite-pulling trusses to form a self-balancing system. The two ends of the rear inclined huge arch are supported by crotch-shaped arch foot columns, and the part between the two ends is supported by a plurality of V-shaped inclined columns arranged on the stand structure; only the two ends of the front inclined huge arch are connected with the crotch-shaped arch foot columns, and the front inclined huge arch is not connected with the stand structure. The large-span stadium roof overcomes the defects of an existing large-span stadium roof, and solves the problems that an existing stadium roof structural component is large in size, a building is heavy, the space sense and the light sense of the building cannot be highlighted, natural lighting cannot be achieved, and energy consumption is high.

The invention discloses a pre-filter and a water consuming system, and relates to the technical field of pre-filters, the pre-filter comprises a filter bottle, a filter assembly, an outer framework and an impeller assembly, the filter bottle is provided with a water filtering cavity and a drain outlet communicated with the water filtering cavity; the filtering assembly is arranged in the water filtering cavity; the outer framework is provided with a siphon flow channel; the outer framework is sleeved with the filtering assembly and can rotate relative to the filtering assembly, the impeller assembly is arranged in the water filtering cavity, the outer framework is in transmission connection with the impeller body, and the installation base is provided with a first water inlet communicated with the siphon flow channel and a water drainage opening communicated with the sewage draining opening. The prefilter provided by the invention can more effectively utilize the power of water flow to automatically clean and filter, and reduces the dependence of external energy (such as electric power), thereby improving the energy efficiency and realizing energy conservation.

The invention discloses an intelligent air circulation fan, and relates to the technical field of circulation fans, the intelligent air circulation fan comprises an outer cylinder mechanism, the outer cylinder mechanism comprises an outer cylinder, one port of the outer cylinder is expanded outwards, the lower side of the outer cylinder is provided with a support assembly, the other port of the outer cylinder is in butt joint with a main cylinder mechanism, the main cylinder mechanism comprises a main cylinder, and the main cylinder is fixedly connected with the outer cylinder through a flange; an impeller assembly is arranged in the main cylinder mechanism, a framework assembly is arranged in an externally-expanded port of the outer cylinder and comprises a hollow water bin, bin columns used for supporting are evenly and fixedly connected between the outer side of one end of the water bin and the outer cylinder at equal intervals, and the outer side of the other end of the water bin is fixedly sleeved with a cover cylinder; the two sides of the lower inner wall of the cover cylinder are fixedly connected with bottom tables correspondingly, motors fixedly connected with the bottom tables are embedded and inserted into the cover cylinder, the impeller assembly comprises a shaft cylinder mechanism and a fan mechanism, and according to the intelligent air circulation fan, the atomization effect is improved, and the air wetting effect is remarkably improved.

The invention relates to the technical field of sunshade materials, in particular to a sunshade net with a self-cleaning function and a preparation method of the sunshade net, and solves the defects in the prior art. Comprising the following components: a polyethylene fiber base material, a fluorocarbon polymer layer, a resin layer, a nano titanium dioxide photocatalyst, a photocatalyst auxiliary component, a super-hydrophobic coating, a self-assembled single-layer film and a cross-linking agent. By optimizing the weight parts of all the components, selecting high-performance materials, designing a micro-nano structure, adopting a multi-layer coating structure, adding a cross-linking agent and other measures, efficient self-cleaning of dust and dirt is achieved, and the frequency and difficulty of manual cleaning are reduced.

The invention discloses a deepwater net cage fish feeding control method and system, and the method comprises the steps: generating a cultured fish detail list in a target deepwater region according to the fish information, and carrying out the multi-round spiced salt denoising processing of the obtained image data of the target deepwater culture region, inputting the underwater light data into the water body thermal stratification model to obtain each deepwater hierarchy and short wave radiation data corresponding to each deepwater hierarchy; and analyzing and identifying the image data through an AI graph identification algorithm to obtain fish growth data, constructing a feeding amount control model according to a cultured fish detail list, the fish growth data and the short-wave radiation data, and generating a culture visualization report to realize feeding control of fishes in the target deepwater culture area. Fish growth and health are analyzed through image data, a feeding control model is constructed and optimized according to data such as the ammonia nitrogen content, the dissolved oxygen content and short wave radiation, feeding amount control is optimized, the fish growth speed is increased, the fish growth quality is improved, and long-term sustainable breeding is achieved.

The invention provides a photo-thermal nanoparticle, a photo-thermal self-driven hydrophobic anti-icing coating and a preparation method and application thereof, and belongs to the technical field of hydrophobic anti-icing materials. The invention provides a preparation method of photo-thermal nano-particles, which comprises the following steps: mixing a nano-material and tetraethoxysilane under an alkaline condition for hydrolysis, and coating the surface of the nano-material with a silicon dioxide shell to obtain coated nano-particles; and mixing the coated nanoparticles with a silane coupling agent, and carrying out a grafting reaction to obtain the photo-thermal nanoparticles. The preparation method comprises the following steps: by taking a nano material as a carrier, generating a silicon dioxide shell on the surface of the nano material through modification, and then modifying the silicon dioxide shell (carrying out grafting reaction), so that the silicon dioxide shell is grafted with a silane group, and the prepared photo-thermal nano particle has high sunlight absorptivity and super-hydrophobic and super-oleophobic characteristics. The photo-thermal self-driven hydrophobic anti-icing coating is prepared by using the photo-thermal nanoparticles as a main filler and coupling a high-hardness film-forming substance and a related auxiliary agent.

The invention discloses antibacterial gynecological gel and a preparation method thereof, and relates to the field of gynecological products, arginine powder and sorbitol are dissolved in water, a hydrothermal reaction is performed at 130-160 DEG C, cooling is performed to obtain an arginine carbon quantum dot solution, then modified hydrogel and a plant extract are added, vacuum stirring and uniform mixing are performed, ultraviolet irradiation is started while stirring, standing is performed, and the antibacterial gynecological gel is obtained. The bacteriostatic gynecological gel is obtained. The adopted gel matrix releases arginine carbon quantum dots in a weak acid environment, and is compounded with active substances, especially flavonoid substances, in the plant extracting solution, so that a better synergistic antibacterial effect is achieved. Sensitive response of the carbon quantum dots to illumination is combined, so that the carbon quantum dots can be attached to a gel matrix more easily; meanwhile, polar groups, especially oxygen-containing groups, are introduced to the surface of the gel, so that the viscosity and the adhesiveness of the gel material are greatly improved, and the affected part can be better treated.

The invention discloses a filtering and antibacterial device for a hemodialyzer in nephrology, and specifically relates to the field of antibacterial disinfection of medical materials. The device comprises a main body mechanism, an auxiliary regulating mechanism is fixedly installed on the outer wall of the main body mechanism, a fluid channel mechanism is rotatably installed inside the main body mechanism, a plurality of dynamic filtering mechanisms are fixedly installed inside the fluid channel mechanism, and the fluid channel mechanism comprises a plurality of supporting layers, and the plurality of supporting layers are arranged in a superimposed state along the longitudinal center line direction thereof; the invention arranges a plurality of superimposed supporting layers, and arranges a guide tube and a spiral guide plate inside each supporting layer, so that a continuous vortex is formed when the dialysate flows through these spiral structures, thereby increasing the shear force of the fluid, thereby reducing the accumulation of impurities, avoiding the clogging of the filter holes, and reducing the probability of bacteria remaining in the impurities, thereby achieving a highly efficient physical antibacterial effect.

The invention relates to the technical field of labeling, in particular to an automatic labeling device for meat product production, which comprises a cleaning part mounted on a conveying part and a cleaning belt mounted on a frame, the cleaning belt is in transmission connection with a chain type conveying belt through a transmission part, and two symmetrical transmission belts are arranged on the outer side of the cleaning belt. And a plurality of liftable hollow baffles are inserted between the two transmission belts. A set of reverse cleaning mechanism is designed, and the cleaning belt efficiently removes stains through friction and cleaning media through the transmission design in the direction opposite to the conveying belt. In order to solve the packaging stagnation problem possibly caused by reverse cleaning, the double-side transmission belt and the liftable hollow baffle on the double-side transmission belt are additionally arranged, continuous and smooth conveying of packaging bags is ensured, intelligent regulation and control of movement of the baffle are ingeniously utilized, the packaging bags are pushed to move forwards, dirt is automatically scraped off on the upper surface of the cleaning belt, and the cleaning efficiency is maintained.

The invention discloses an ecological rural ditch nitrogen and phosphorus interception system and method, belongs to the technical field of agricultural non-point source pollution control and water environment treatment, and provides an innovative'buffer-purification-interception 'composite ecological rural ditch nitrogen and phosphorus interception technology. By optimizing the ditch design and the ecological structure, the ecological function of the ditch is enhanced, and pollutants such as nitrogen and phosphorus in farmland drainage are efficiently intercepted and purified by removing nitrogen and phosphorus in a multi-level manner.

The invention discloses a high-weather-resistance self-cleaning nano silicon coating and a preparation process thereof, and relates to the technical field of coatings. In order to improve the stain resistance of the coating, the nano silicon polyester resin which can be cured by moisture and has a relatively strong self-cleaning effect is prepared, firstly, 3-amino-4-fluorobenzoic acid, tetramethoxysilane and the like are used as raw materials for reaction, and by controlling the reaction conditions, the nano silicon polyester resin is prepared. A nano silicon resin polymer containing nano silicon dioxide is generated; the existence of nano silicon dioxide can effectively improve the micro-nano structure of the coating and control the contact angle between water drops and the surface of the coating, and then the obtained nano silicon resin polymer reacts with isocyanate substances and the like, so that the final synthetic resin contains part of free isocyanate groups, and the surface of the coating is protected. The isocyanate groups can be combined with water molecules in air, so that the moisture curing effect is realized, the construction difficulty of the coating is effectively reduced, and the coating can be used for protection and self-cleaning maintenance of building exterior walls.

The utility model provides a cleaning system, relates to the technical field of cleaning, and aims to solve the problems of poor cleaning effect of sewage in a sewage tank and inconvenience in cleaning operation in the prior art. The cleaning system comprises cleaning equipment, the cleaning equipment comprises a sewage tank and a fan, the sewage tank is provided with a sewage outlet, the fan is communicated with the sewage tank, and when the fan runs, air pressure can be formed to pressurize sewage in the sewage tank, so that the sewage in the sewage tank can be quickly discharged through the sewage outlet. According to the sewage tank, the sewage cleaning effect of the sewage tank can be optimized, the self-cleaning effect of the sewage tank is improved, meanwhile, the automation degree of the sewage cleaning operation process is high, time and labor are saved, and the user experience is improved.

The invention relates to a cement-based material with a photocatalytic function, a coating, a casting body and a preparation method, the cement-based material with the photocatalytic function comprises cement-based dry powder, and the cement-based dry powder comprises, by weight, 1-1.5 parts of molybdenum disulfide nanoflowers and 9-19 parts of Portland cement. The preparation method has the beneficial effects that the molybdenum disulfide nanoflower is directly introduced into a cement-based material as a photocatalyst, so that the self-cleaning function and the dye degradation function of the material are increased, the hydration rate and the mechanical property of the cement are improved, and the cement is a green and sustainable building material. The preparation method of the cement-based material with the photocatalytic function is simple and efficient.

The utility model relates to the technical field of hydroponic planting, and discloses an automatic cleaning device for a barley grass planting plate, which comprises a cleaning pool, the cleaning pool comprises a pool body; the drainage pipe is arranged at the water outlet end of the tank body; the top rod is fixedly connected to the top of the tank body; a planting plate conveying belt is arranged at the top end of the ejector rod; a lifting assembly is arranged in the tank body, and comprises a supporting plate fixedly connected to the inner side wall of the tank body; the lifting cylinders are symmetrically arranged at the top of the supporting plate; by arranging the lifting assembly and the washing assembly, during cleaning, the washing assembly can be driven to ascend through the lifting assembly, the washing assembly can be attached to the inner wall of the planting plate for washing, the cleaning effect is improved, meanwhile, a washing spray head base is provided with a lateral spray head and a top spray head, and during washing and cleaning, the washing effect is improved. The bottom surface and the side wall of the planting plate can be flushed at the same time, and the automatic cleaning effect is further improved.

The invention relates to the technical field of dendrobium nobile freeze-dried powder production, in particular to a raw material shearing device for dendrobium nobile freeze-dried powder production, which comprises a seat body, a control switch is arranged on the front surface of the seat body, a dendrobium nobile shearing mechanism is arranged on a mounting plate, and a dendrobium nobile conveying mechanism is arranged on the left side of the dendrobium nobile shearing mechanism; an auxiliary pressing mechanism is arranged in the dendrobium nobile shearing mechanism, an automatic cleaning mechanism is arranged below the dendrobium nobile shearing mechanism, and a vibration receiving mechanism is arranged on the right side of the dendrobium nobile shearing mechanism. According to the dendrobium nobile cutting device, the dendrobium nobile cutting mechanism is arranged, and a cutting platform and a juice stroking assembly are matched with each other, so that dendrobium nobile pulp generated in the dendrobium nobile cutting process can be collected, and the dendrobium nobile pulp adhered to the surface of a cutting blade can be stroked down and collected; the unnecessary loss of the dendrobium nobile pulp can be reduced to a certain extent, and meanwhile, the situation that the sharpness of the cutting blade is affected due to the fact that the dendrobium nobile pulp is coagulated on the surface of the cutting blade can be effectively avoided.

The utility model belongs to the technical field of sewage treatment, and particularly relates to an ecological aeration filter bed suitable for low-pollution water treatment. Comprising a filtering space defined by ecological revetments, the filtering space sequentially comprises a water inlet channel, a filter bed body and a water outlet channel from a water inlet end to a water outlet end, a water inlet is formed in one side of the water inlet channel, and a water outlet is formed in one side of the water outlet channel; a filter material supporting scaffold is arranged in the filter bed body, an ecological filter material layer is arranged on the filter material supporting scaffold, an aeration membrane is arranged at the bottom of the filter bed body, an air inlet pipe is connected to the aeration membrane, and a connector is arranged on the air inlet pipe; a water inlet and outlet water distribution channel is newly added to change the water flow direction, and artificial aeration oxygenation, an ecological filter material layer treatment unit and other comprehensive engineering means are added to improve the self-purification capacity of the wetland water body through a physical and chemical process and a biochemical process.

The present application relates to an explosion-proof pan-tilt camera with an automatic spray dust removal system, and relates to the technical field of video surveillance equipment. The camera includes a camera body, including a pan-tilt base and a camera barrel, and the camera barrel is installed on the pan-tilt base; a dust removal mechanism includes a dust removal scraper, and the dust removal scraper is arranged at the camera end of the camera barrel, and the dust removal scraper fits the camera end of the camera barrel, and the camera barrel is provided with a dust removal drive member for driving the dust removal scraper to rotate; a spray mechanism includes a spray head and a spray box, and the spray head is connected to the spray box through a pipeline, and the spray head is arranged on the pan-tilt base, and the spray head is arranged toward the camera barrel; and the pan-tilt base can drive the camera end of the camera barrel to face the spray head. The present application can improve the self-cleaning ability of the explosion-proof pan-tilt camera and the dust removal effect on the camera barrel through the coordinated arrangement of the dust removal scraper and the spray head, thereby reducing the influence of dust on the clarity of the camera shooting picture.

This utility model relates to the field of aerator technology, specifically to a microporous aerator anti-clogging diffusion membrane assembly, comprising: a shell assembly, including a bottom shell and an upper shell connected to the bottom shell; a drive mechanism, which is disposed in the bottom shell and can be driven by the inflowing airflow to generate rotational power; a transmission assembly, including a magnetic transmission component that can be rotated and moved axially by the drive mechanism; utilizing a single air source power, an integrated transmission mechanism automatically realizes an orderly workflow of "thorough cleaning first, then efficient aeration"; it increases torque and controls speed by driving a gear set through airflow, driving the magnetic transmission component to rotate and rise precisely, initially closing the air path and driving a scraper to remove surface blockages, effectively reducing the start-up load and the risk of membrane damage, and then automatically opening the air path after rising to a predetermined position, and using a guide plate to generate swirling gas to evenly distribute gas and enhance the membrane's self-cleaning effect.

The utility model belongs to the technical field of ecological breeding equipment, and particularly relates to an in-water circulation ecological breeding barrel which is detachably arranged in a breeding pond, a plurality of breeding holes are circumferentially formed in the bottom of the breeding barrel, water permeable holes are circumferentially formed in the top of the breeding barrel, and a multi-layer composite substrate layer sequentially comprises a first soil layer, a second soil layer and a third soil layer from bottom to top, the first soil layer comprises soil and earthworm soil, and the earthworm soil contains active earthworm groups; the second soil layer comprises coco coir, perlite and vermiculite; the third soil layer comprises peat, perlite and vermiculite; the fourth soil layer comprises peat and vermiculite, and the biological-physical synergistic purification system has the beneficial effects that biological-physical synergistic purification is achieved, and the self-purification capacity of the system is improved.

The utility model provides a self-cleaning flammulina velutipes growth restraining wrapping piece, which belongs to the technical field of flammulina velutipes culture equipment and comprises a plastic wrapping piece, the plastic wrapping piece is enclosed into a circular truncated cone cylinder shape, is unfolded into a semi-fan shape and is made of a polyethylene film, a polylactic acid layer is arranged on the inner wall of the plastic wrapping piece, and the polylactic acid layer is arranged on the inner wall of the plastic wrapping piece. And a coating layer is sprayed on the outer surface of the plastic wrapping sheet. According to the flammulina velutipes packaging bag, a relatively closed environment is provided for flammulina velutipes by arranging the plastic packaging piece made of the polyethylene film, the flammulina velutipes is allowed to grow in the environment, meanwhile, the influence of the external environment on growth of the flammulina velutipes is limited, the polylactic acid layer is arranged on the inner wall of the plastic packaging piece, so that the flammulina velutipes packaging bag has good biodegradability and pollution resistance, and the flammulina velutipes packaging bag is suitable for being used for packaging flammulina velutipes. The surface of the plastic wrapping sheet is subjected to special treatment, and a coating layer is sprayed, so that the anti-pollution performance is improved, dirt is not prone to being attached, the self-cleaning performance is improved, and dirt and bacteria are effectively prevented from being accumulated.

The invention provides an inorganic coating as well as a preparation method and application thereof, and relates to the technical field of coatings, the inorganic coating comprises the following components: an inorganic anti-reflection agent, a photocatalyst, an inorganic film-forming agent and a solvent; wherein the inorganic anti-reflection agent is prepared from a ZnO-SiO2 sol, and the photocatalyst is prepared from a ZnO-TiO2 sol. According to the inorganic coating, inorganic anti-reflection is achieved through the zinc oxide / silicon oxide sol, and the light transmittance of the coating is remarkably improved; znO-TiO2 sol is adopted as a photocatalyst, the photocatalytic reaction efficiency is improved, the degradation capacity on organic dirt is enhanced, the self-cleaning capacity is improved, titanium dioxide and zinc oxide are semiconductors and have electrical conductivity, the surface resistance of the coating can be reduced, and the dustproof capacity is improved; the inorganic film-forming agent forms good hydrophilicity, and has good rainwater self-cleaning performance under the dark condition. The inorganic coating provided by the invention can improve the optical transmittance, and has excellent dustproof and self-cleaning performance.