86 results about "Dust storm" patented technology

The present invention relates to a method for producing a sand aggregate, comprising: (a) a step of producing organic waste powders or by-product powders; (b) a step of mixing the organic waste powders or the by-product powders produced in step (a) with soil microbes; (c) a step of mixing the resulting material obtained in step (b) with sand to inoculate the sand with the soil microbes; and (d) a step of supplying water to the resulting material obtained in step (c), and aggregating particles of the organic waste powders and the sand by the growing mycelia of the soil microbes. The present invention produces a sand aggregate (preferably, sand cake, precast pavers or bricks, etc.) or reforms (preferably, fertilizes) sand using organic waste (or by-products), to reutilize waste (or by-products) and to thus prevent soil or water from being contaminated by organic waste (or by-products). Further, when the present invention is applied to the sand in which plants grow poorly, the sand is fertilized to promote the growth of symbiotic microorganisms, and to raise plants and suppress the use of chemical fertilizers and agricultural pesticides, thus activating environmentally-friendly green farming. Meanwhile, when the present invention is applied to the desert of China, which causes yellow dust storms, sand and red clay are provided with anti-scattering properties, to thereby prevent yellow dust storms and environmental contamination and damage to animals and plants caused by the yellow dust storms.

This application relates generally to a method and apparatus to deposit particles onto one or more coupons, and harvest particles from one or more coupons, which may beneficially provide a more uniform or localized distribution of particles over a specified area on each coupon. The application relates to a method and apparatus for depositing particles onto one or more coupons using a sieve. The application also relates to a method and apparatus for depositing particles onto one or more coupons using a dust storm. The particle loadings achieved on each coupon or across an individual coupon may be substantially uniform. The application further relates to a laser-based method and apparatus for transferring particles deposited at localized points on a source coupon to a different substrate for further use.

The present invention provides a protective paint for resisting sand devil. The protective paint material is specially suitable for vehicle running in sand devil area. The protective paint can be brush-coated or spray-coated on the surface of car to be passed through sand devil, including: on windscreen or on body which can be damagd by sand devil impact, so that it can be formed into a paint film for protecting car. After the car is passed through the sand devil area, said paint film cna be stripped off from car or body. The paint is made up by using chlorinated polyvinyl chloride resin, PVC, polyethylene, polypropylene, methyl methacrylate, xylene, actone and other 6 components.

A monitoring system for turbulence of the atmospheric boundary layer under a wind drift sand flow or sand dust storm environment comprises: a meteorological tower (6), a hot-wire bracket (9) and a plurality of observation frames (10), which are vertically and cooperatively arranged in parallel. The hot-wire bracket (9) is arranged close to the meteorological tower (6), and the plurality of observation frames (10) are symmetrically distributed on the two sides of a region formed by the meteorological tower (6) and the hot-wire bracket (9). The meteorological tower (6) is cooperatively provided thereon with a first group of experimental instruments for measurements; the hot-wire bracket (9) is cooperatively provided thereon with a hot-wire probe assembly (8); and each observation frame (10) is cooperatively provided thereon with a second group of experimental instruments for measurements. The monitoring system for turbulence of the atmospheric boundary layer under a wind drift sand flow or sand dust storm environment can realize the advantages of measuring a wall turbulence 3D structure with a high Reynolds number, measuring the flow field characteristics of wind drift sand flow or sand dust storm, and synchronizing turbulence measurement with sand dust transport measurement.

The invention is relates to the wind ward and sand fix method in the desert area, wherein the wind ward method is to fill the plastic packaging pouch with sand in the desert area, and to place the sand pouches to a wind ward dam in the perpendicular of the wind direction, or to stack the sand to a perpendicular in the perpendicular of the wind direction, the surface of the sand hill is cover with a grass cushion or a plastic colorful cloth, the sand fix method is to cover the sand area or the sand hill surface with a grass cushion or a plastic colorful cloth, then to press with sand pouches and ropes. The invention is easy to operate with low cost, the sand hurricane damage could be effectively supposed.

The present invention is one inwards pressing film coating method for preventing and controlling desertification. Plastic belts are covered onto sandy soil with some interval in between and belt ends are bent and pressed into sand. The said method can fix sand against wind blowing and maintain water for planting, and has excellent desertification preventing and controlling effect.

The invention relates to the field of substation switch cabinets, in particular to a sand-storm-proof heat dissipation switch cabinet, which comprises a device body. Device side plates are movably mounted on the left and right sides of the device body; outer air inlet channels are formed in the device side plates; connecting rods are fixedly connected to the two sides in the device body; a knocking plate and a sand scraping plate are movably mounted on a rotating shaft at the lower ends of the connecting rods; when a motor drives a rotating wheel to rotate in a rotating wheel cavity, the device side plates can be intermittently driven to move up and down through the shape of the rotating wheel, so that the positions of the inner air inlet channels and the outer air inlet channels can be continuously switched between opposite communication and staggered non-communication; and meanwhile, the lower end of the sand scraping plate communicates with the upper end of the outer air inlet channels, and when the device side plates move upwards and the outer air inlet channels and the inner air inlet channels are staggered in position, the sand scraping plate under the connecting rod with thefixed position can scrape off sand and dust blocked by an outer side filter screen, so that the effect of intermittently cleaning the outer side filter screen is achieved, and the situation that theouter side filter screen is rapidly blocked in a sand and dust storm, and air flow cannot be introduced into the interior is avoided.

The invention discloses a sand dust-storm monitoring method based on a ground surface emissivity database. In the traditional sand dust-storm monitoring method, the spectral characteristics differencebetween sand and other ground objects is utilized and a fixed threshold value is set to realize sand and dust information identification. The method comprises the steps of synthesizing a lunar groundsurface emissivity database by using a minimum value method; simulating a maximum apparent reflectance threshold value of a clear sky pixel under different atmospheric parameters through 6S (Second Simulation of the Satellite Signal in the Solar Spectrum); if a light reflectance of a satellite remote sensing data table is greater than a simulated apparent reflectance, judging the pixel as a sanddust pixel to achieve monitoring of the sand dust-storm with a dynamic threshold method. Through analysis and comparison of the verification results, the extraction range of sand and dust and the sandand dust area of the true color image are consistent; the sand and dust weather at 96.8% of surface observation stations is the same as the monitoring results, and OMI AI data are basically the sameas the sand and dust monitoring results. The verification results show that the influence of factors such as mixed pixels and atmospheric environment is reduced and sand and dust storm monitoring withhigher accuracy can be achieved by using the method.

The invention provides a traditional Chinese medicine mask for protecting respiratory tracts and lungs of people from being damaged in haze weather and belongs to the technical field of advanced manufacturing. The traditional Chinese medicine mask for protecting respiratory tracts and lungs of the people from being damaged in the haze weather is characterized in that in haze weather and sand and dust storm weather, the traditional Chinese medicine mask is worn to effectively prevent tiny dust particles, smoke particles, floating dust, sand and dust storm blowing sand and various other harmful pollutants in the air from entering the respiratory tracts and the lungs of the people, and protects the respiratory tracts and the lungs of the people from being damaged. A mask core is soaked by decocted traditional Chinese medicine decoction of traditional Chinese medicines aster, radix stemonae and flos farfarae for treating diseases of the respiratory system. The people who wear the traditional Chinese medicine mask can breathe moist and clean air filtered by the mask core and light traditional Chinese medicine taste which is beneficial to the body and is emitted by the three traditional Chinese medicines and feel comfortable in the respiratory tracts and the lungs. The traditional Chinese medicine mask well protects the respiratory tracts and the lungs of the people and has anti-inflammation and lung-moistening effects. The traditional Chinese medicine mask is novel in design and distinctive and has wide commercial prospects.

The invention discloses a daily mouth-muffle with a dust prevention effect, relates to a mouth-muffle, and specifically relates to a daily mouth-muffle. Ear bands are arranged at two ends of the whole mouth-muffle, a dust-preventing breath layer is directly connected with the ear bands, and adopts a digital printing all-cotton fabric, an antibacterial layer is directly sewed to the dust-preventing breath layer and is made from bamboo charcoal or China hemp fiber with moisture absorption and breathability as well as the bactericidal effect, a storage bag is reserved between the antibacterial layer and the dust-preventing breath layer during sewing, a filter layer is arranged in the storage bag, is composed of a plurality of layers of activated carbon filter plates, and is placed in and taken out through openings at two sides of the storage bag, and a real silk layer is sewed to the antibacterial layer. The daily mouth-muffle has special specifications aiming at different age groups, and can well cling to the face of a user during use, so that a good protection effect is achieved, the filtering effect is good, and the daily mouth-muffle is suitable for use when a person goes outside in the haze weather or sand duststorm weather.

The invention belongs to the field of printing ink preparation and discloses a method for preparing plateau-climate-resisting UV luminous ink. A doping modified micron-scale SrAl2O4: EU<2+>, Dy<3+> long-lasting phosphor material is prepared through sintering; a nano-scale SrAl2O4:EU<2+>, Dy<3+> long-lasting phosphor material is prepared through burning and is applied to the luminous ink through grading, and nano ZnO modified polyacrylic resin, nano SiO2 modified polyacrylic resin and nano TiO2 modified polyacrylic resin are mixed and evenly stirred to obtain ZnO, SiO2 and TiO2 co-doped modified polyacrylic resin which serves as the prepolymer of the ink. The process is simple and easy to realize, and the prepared UV luminous ink is high in aging resistance and wear resistance and suitable for being used on outdoor printed products in plateau areas with strong ultraviolet light and dust storm.

The present invention relates to method and adhesive spraying device for quick governing of sandstorm. Lignosulfonate powder is dissolved in water to compound adhesive, and the adhesive is sprayed with the adhesive spraying device of the present invention in aircraft or on ground to cover surface of desert, so that sand and dust particles may be combined with adhesive to form crust without flowing and flying.

The invention provides a pollution-flashover-caused trip probability calculation method of overhead lines in a sand and dust environment. The method comprises: based on sandstorm weather information, building a deposit model of sand and dust particles on an overhead line insulator surface and calculates equivalent salt deposit density and equivalent dust deposit density on the insulator surface; by taking into account the feature that a dust-to-salt ratio in a sandstorm-prone area is high, building a transmission line pollution-flashover-caused trip probability model which comprehensively considers salt density and dust density on the insulator surface; combining relative studies on insulator probability statistics and line reliability theories, and assessing a overhead line pollution-flashover-caused trip risk in the sand and dust environment; and then, on the basis of relative humidity influence on insulator flashover leakage current, building a line pollution-flashover-caused trip model in wet weather after sandstorms, and assessing influence of relative humidity changes on the overhead line pollution-flashover-caused trip probability. According to the invention, possible overhead line trip faults are prevented, and a safe and stable operational level of a grid in sand and dust environment is improved.

The utility model discloses a Mars dust storm environment simulation device, and relates to an environment simulation device, particularly relates to the Mars dust storm environment simulation deviceand aims to solve a problem that the existing environment simulation device is difficult to simulate the wind-sand and sand-dust environment with large wind speed range span under low air pressure. The simulation device comprises a container cabin body and a cabin body door, wherein the cabin body door is mounted at an opening in one end of the container cabin body, the device further comprises aspark wind tunnel, a supporting assembly, a vacuumizing assembly, a sand and dust nozzle, a sand and dust spraying assembly and an ejector, the supporting assembly is arranged in the container cabin body, the spark wind tunnel is installed on the supporting assembly, a sand and dust nozzle is arranged in one end of the spark wind tunnel, the ejector is arranged in the other end of the spark wind tunnel, the vacuumizing assembly is connected with an air exhaust flange on n upper surface of the container cabin, and the sand and dust nozzle and the ejector are both connected with the sand and dust spraying assembly. The invention belongs to the field of aerospace.

The invention discloses a vehicular movable soil contamination robot sampling detection restoration car which comprises a chassis, an air guide sleeve, a generator set, a power control system, an airintake and exhaust noise reduction system, a crank-type lifting illumination lamp, a soil contamination control detection equipment room, a sound attenuated enclosure, a soil underground water sampling restoration integrated robot, a hydraulic automobile lifting tail plate, hydraulic support legs and a turnover step ladder. Compared with the prior art, the vehicular movable soil contamination robot sampling detection restoration car has the advantages that direct push continuous closed undisturbed soil sampling and soil restoration can be realized, Chinese soil restoration equipment and construction cost are greatly reduced, labor intensity is reduced, working efficiency is improved, and the car is widely applicable to industries such as soil survey, in-situ soil restoration, soil contamination emergency treatment and geological exploration and can be operated in high-strength, low-temperature and adverse environments with dust storm.

The invention relates to a high speed dust storm saltation test observation system, characterized in that a pressure regulating valve, an electromagnetic switch valve, a time control switch, a sand blasting gun and a sand supply device are commonly fixed on a work panel; a power device is successively in connection with the pressure regulating valve, the electromagnetic switch valve and the sand blasting gun through a flexible pipe; the time control switch is in connection with a power supply, and is respectively in connection with the power supply and the electromagnetic switch valve through leads; the sand port of the sand supply device is in connection with the sand supply device; a test platform is located between a saltation dust collector and the sand blasting gun. The system can simulate continuously adjustable stable wind conditions with a wind speed greater than 150 m/s, and accurately control wind speed and effect time, and has the characteristics of convenient operation, easy control, portable equipment, simple disassembly and convenient transfer; the system is suitable for test observation such as dust storm saltation observation, wind speed wind pressure, wind erosion and polishing, sediment transport, etc. under heavy wind conditions, and microscopic research such as particle speed, concentration, etc., and provides basic test equipment for dust storm motion rules and process research under special conditions.

The invention relates to a city hazard alarming platform based on image analysis; the city hazard alarming platform comprises the following parts: an image lightness detection device used for receiving a plurality of frames of monitored area images at continuous times, and taking the first frame image of the plurality of frames of monitored area images at the continuous times as a to-be-processedimage; a lattice camera device arranged on a monitoring airplane and used for obtaining the plurality of frames of monitored area images at continuous times and outputting the plurality of frames of monitored area images at continuous times; a sharpening processing device used for receiving low lightness images and improving the sharpening processing execution intensity for the plurality of framesof monitored area images at continuous times. The city hazard alarming platform can effectively analyze the travel direction of dust storms, thus implementing corresponding city hazard alarming measures.

The invention provides a sand and dust storm simulation test device comprising a box, a sand and dust working system, a storm circulating system, a refrigerating system, a heating system and an electrical control system. After the sand adding and dust adding operation, a high-speed conveying fan of the sand and dust working system is used to convey the sand and dust to the main fan air outlet of the storm circulating system. The sand and dust is blown into the working chamber through the main fan, and a tested piece fixed on a rotary working table in the working chamber is impacted with the sand and dust so as to detect the adaptability of the tested piece, and the dust can be recycled for cyclic utilization. The sand and dust storm simulation test device of the invention can be used to satisfy the military test standard to confirm the resistance of tested equipment for sand and dust besides common sand and dust testes. According to the invention, the blown sand and blown dust can be tested independently and separately.

The invention provides a hooded fleece with a dustproof function; the hooded fleece comprises a fleeces body, a hood, a veil, an opening, a tightness fixed band, and a filter contain space; the hood is sewed on the fleeces body; the fixed edge of the veil is sewed on the edge of the hood; the free edge of the veil and the hood form the opening; the free edge of the veil is sewed with the tightness fixed band; a position, matched with the mouth, on the veil is provided with the filter contain space. The advantages are that the hooded fleece with the dustproof function is good in anti-dust storm effect.

The invention discloses a Mars dust storm space-time probability extraction and landing safety evaluation method, comprising the following steps: 1, identifying a dust storm object based on an RGB color remote sensing image; 2, performing Mars dust storm time probability analysis; 3, performing Mars dust storm spatial probability analysis; and 4, evaluating the safety of the Mars landing area. TheMars dust storm space-time probability extraction and landing safety evaluation method has the advantages of accurately recognizing the Mars dust storm object, and performing area extraction; solvingthe problem that the regularity of repeated dust storms of multiple Mars is ignored in the prior art; solving the problem that dust storm spatial distribution rule characteristics are ignored in theprior art; and selecting proper landing time and a proper safe area for a Mars task.