69 results about "Atmospheric dust" patented technology

The invention belongs to the technical field of comprehensive utilization of waste resources from the aluminum industry and specifically discloses a comprehensive utilization method of aluminum ash. According to the comprehensive utilization method of aluminum ash, metallic aluminium is extracted from aluminum ash through an ore grinding method; the aluminum ash obtained after aluminium extraction undergoes catalytic deamination; the aluminum ash obtained after deamination is mixed with alkali and granulation forming is then carried out; and the granulation product is sintered and the sintered product is finally dissolved out. By the above method, useful components in the aluminum ash can be recovered to the maximum; ammonia gas which has been ignored for a long time is effectively recovered; components such as aluminium oxide, villiaumite and the like are recovered and utilized to the maximum; pollution of aluminum ash processing to the environment is avoided; atmospheric dust pollution is avoided; atmospheric pollution is also avoided due to ammonia gas recovery; pollution of aluminum ash stacking to underground water and soil is avoided due to extraction and recovery of fluoride salt; and environmental safety during the treating process is guaranteed.

The invention relates to an anti-pollution skincare product and a preparation method thereof, in particular to an anti-pollution composition, the anti-pollution composition-containing anti-pollution skincare product, and the preparation method of the anti-pollution skincare product. The anti-pollution skincare product provided by the invention is added with a plurality of natural plant components, such as moringa pterygosperma seed extract, trehalose, tremella polysaccharide and the like, has a protecting effect on skin, repels atmospheric dust with positive charges, conducts complexing of harmful heavy metals, lightens the damage caused by atmospheric pollution, can protect cells and can reduce the injury to the skin caused by dehydration and heat and cold change.

The present invention is a multifunctional air purification and disinfection device performance detection system, including a wind tunnel structure, a data acquisition control system and an aerosol generation and collection system, wherein: the wind tunnel structure includes a wind tunnel, and the wind tunnel The air inlet and outlet of the wind tunnel are all provided with electric airtight valves, and the air outlet of the wind tunnel is connected to an exhaust fan. The present invention can meet the requirements of large-span air volume range and performance detection of air purification and disinfection devices of different sizes and specifications; it can measure the resistance of air purification and disinfection devices, the diameter counting efficiency and weighting efficiency of atmospheric dust and artificial dust, and the microorganisms of atmospheric bacteria and artificial bacteria Elimination efficiency, removal efficiency of gaseous pollutants such as formaldehyde and toluene and other performance indicators. In addition, the present invention can also serve as a performance testing system for "air filter for general ventilation" and "high-efficiency air filter".

The invention discloses atmospheric dust concentration measurement equipment and a measurement method of the atmospheric dust concentration measurement equipment. The measurement equipment comprises a case, wherein a vertical pipe is arranged at the upper end of the case; a heating pipe and a dehumidification pipe are fixed in the vertical pipe from top to bottom; the lower end of the heating pipe is butted with the upper end of the dehumidification pipe; a sampling port is formed in the upper end of the heating pipe; a dust concentration measuring instrument is arranged in the case; an inlet of the dust concentration measuring instrument is communicated with the lower end of the dehumidification pipe; an outlet of the dust concentration measuring instrument is communicated with a suction power device; the suction power device is fixed in the case. According to the measurement equipment, moisture in atmosphere can be rapidly removed, so that humidity of dust-containing air entering the atmosphere sampling measurement equipment is low, the influence of the air humidity on the accuracy of the dust concentration detection result is reduced as much as possible, and the accuracy of the detection result of the dust concentration measuring instrument at high air humidity is improved.

The invention discloses a long-term divided-period atmospheric dry and wet dust-fall acquisition analyzer. The long-term divided-period atmospheric dry and wet dust-fall acquisition analyzer is characterized in that a dry dust collecting hopper, a wet dust collecting hopper and two expansion instrument bins are arranged on the upper portion of an upright column, a water tank, a dry fallen-dust storage barrel and a wet fallen-dust storage barrel are arranged on the lower portion of the upright column, a cover plate is mounted on the upright column and is horizontally arranged, one end of the cover plate is in running fit with the upright column, the other end of the cover plate covers a port of the dry dust collecting hopper or a port of the wet dust collecting hopper, the water tank is connected with a water outlet of the dry fallen-dust storage barrel by a second control valve, a first water pump is arranged between a first control valve and the second control valve in a connected manner, the first control valve is connected with water injection nozzles on the dry dust collecting hopper, the bottom of the dry dust collecting hopper is connected with a water inlet of the wet fallen-dust storage barrel, and the bottom of the wet dust collecting hopper is connected with a water inlet of the wet fallen-dust storage barrel. The long-term divided-period atmospheric dry and wet dust-fall acquisition analyzer has the advantages that atmospheric dry and wet dust-fall quantities can be acquired and respectively stored by the long-term divided-period atmospheric dry and wet dust-fall acquisition analyzer in divided periods, and conditions of atmospheric dust concentration, dust size distribution, wind speeds and directions and the like can be measured and recorded in the various divided periods.

The invention relates to the technical field of atmospheric dust removal high-temperature filter materials used for industry, in particular to a production technology of high-temperature-resistant blending filter materials. The technology comprises the following steps: blending polyimide fibers, polytetrafluoroethylene fibers and aramid fibers, wherein the proportions of the polyimide fibers, the polytetrafluoroethylene fibers and the aramid fibers are respectively 50%, 20-45% and 5-30%; adopting a DILO acupuncture production line to produce the three fibers into cloth; successively carrying out working procedures including genapping, calendaring, tentering, sizing, PTFE (Polytetrafluoroethylene) dipping and hot drying to finally obtain the filter materials. Three types of fibers are blended, an excellent proportion is selected, the imported DILO acupuncture production line and a normative post processing working procedure are adopted, so that the performance of the produced filter materials is better, and the problems of short service life, poor acid and alkali resistance and corrosion resistance, low use temperature, poor filtering accuracy and difficulty in adapting to increasingly severe smoke environment of the traditional filter materials are solved.

The invention relates to an air purification device and an air purification method. The air purification device comprises a spiral magnetic field generating device used for generating and releasing spiral magnetic field energy, the spiral magnetic field energy is released into a certain area by use of the spiral magnetic field generating device, so that the vector magnetic field and spiral magnetic field of the area are balanced, and the particle and dust in the area are settled, and the air purification is finished. By use of the characteristics of the spiral magnetic field, ordered fluctuation and convergence of micro-particles in aerosol are realized, the particle movement state is changed and the concentration is reduced, so that the minute dirt particles in the area are easily adsorbed by the ground so as to form settlement, and thus the natural purification capability of atmospheric dust is recovered and reinforced. The air purification device has the characteristics of large purification area, no material consumption, low energy consumption, low noise, long effective purification time, convenience in maintenance and extensive use.

The invention discloses a method for manufacturing a solid block by using engineering waste, the solid block, and a backfilling method. The method for manufacturing the solid block comprises the steps that: an aggregate is prepared by using the engineering waste, wherein he engineering waste comprises construction waste and/or mining waste; the aggregate is mixed with additives, and the mixture is stirred by using water, such that a material is prepared; and the material is manufactured into the solid block. The backfilling method comprises the steps that: slurry is prepared; the solid blocks and the slurry are filled into a void, such that the slurry is filled into the spaces among the solid blocks and between the solid blocks and the inner surface of the void. The slurry is foamed light soil slurry or concrete slurry. With the method for manufacturing solid blocks by using engineering waste and the backfilling method with the solid blocks, engineering waste is sufficiently utilized, production efficiency is high, and backfilling is convenient. Also, problems such as atmospheric dust caused by backfilling by using sand and gravel are avoided.

The invention discloses a device for absorbing atmospheric dust in a classroom. The device for absorbing the atmospheric dust in the classroom comprises a blackboard. A dust absorption mechanism is arranged on one side of the blackboard, and a positioning mechanism is arranged at the lower end of the dust absorption mechanism. The dust absorption mechanism is connected with a dust collecting mechanism, and an origin mechanism is arranged on one side of the blackboard. The dust absorption mechanism comprises a transverse slide way, a guide groove, a baffle block, a movable table, a guide sliding block, a sliding mechanism, an air draft fan, an air draft channel, a blocking cover, a circular through hole, an air draft pipe, a telescopic hose, a conical flaring, a fixing ring, a multistage electric telescopic rod and a connecting ring. The positioning mechanism comprises a square groove, a tension sensor, a first signal transmitter, a connecting rope, a supporting plate, an intercepting plate, an intercepting groove, a long strip penetrating hole, a blackboard eraser, a small groove and a pressure sensor. The dust collecting mechanism comprises a collecting box, an air outlet, a collecting inlet, a telescopic collecting pipe, a fixed column, a connecting column and a sliding ring. A controller is arranged on one side below the collecting box. The device for absorbing the atmospheric dust in the classroom has the beneficial effects of a simple structure and high practicability.

The invention provides a test dust generation device and method for simulating atmospheric dust particle size distribution characteristics. The method comprises the following steps: generating and counting solid test dust having the peak particle size in the range of 20-40nm by a first set of dust generation device; generating and counting solid test dust having the peak particle size in the rangeof 100-150nm by a second set of dust generation device; enabling the solid test dust generated by the first set of dust generation device and the second set of dust generation device and a path of dry clean air source to simultaneously enter a mixed neutralization tube, and enabling the solid test dust to be fully mixed and in contact with positive and negative electro-ions generated by an ionized ion generation apparatus arranged in the mixed neutralization tube, so that the solid test dust is wholly in an electric neutrality state; conducting away excessive charge generated by the ionized ion generation apparatus by virtue of metal tube walls of the mixed neutralization tube and ground.

The invention relates to a short fiber with a microfiber structure, a filter felt, and a manufacturing method of the filter felt. The short fiber is para-position aromatic polyamide fiber with the Schopper degree of 15-25 SR and the length of 30mm-70mm. After the fiber is independently used or mixed with one of other heat-resisting fibers or a mixture of the heat-resisting fibers, the filter felt product with high filtering precision is manufactured. The filter felt has high filtering precision, and can be used for removing atmospheric dust with the level of 2.5 microns.

The present invention discloses a micro-area closing apparatus for simulating atmospheric dust dry deposition. According to the present invention, the apparatus is a five-sided rectangular box structure, wherein the middle portion is provided with a disturbance layer movable separation plate so as to divide into an upper space and a lower space, the top portion is provided with a movable baffle, both side surfaces of the upper space are respectively provided with a fan and a disturbance layer movable baffle, the front surface of the upper space is provided with a sample inlet hole, the sample inlet hole is provided with a sealing baffle, and the front surface and the back surface of the upper space are provided with moving handles; and with the apparatus of the present invention, the closed environment can be created, and the dust can be subjected to sufficient disturbance so as to make the dust be distributed in the whole disturbance space and make the heavy metal-containing dust can uniformly fall on the surface of vegetable leaves in a soil or the soil surface layer through the gravity effect, such that the technical support is provided for understanding of the heavy metal bioavailability in the atmospheric dry deposition-soil-vegetable system and the change characteristics thereof.

The invention relates to the technical field of air purification, and discloses a movable dust falling device for atmospheric purification treatment. The movable dust falling device comprises a movable frame, a vertically arranged transmission shaft is rotationally mounted on a transmission bracket, turntables are coaxially fixed at the upper end and the lower end of the transmission shaft, and aservo motor is fixed on the side wall of the movable frame. Tap water in a water tank is pumped through an arranged water pump, spraying is performed through a spraying disc, and dust falling treatment on dust in the atmosphere is realized; an arranged swing mechanism can be driven by the two rotating turntables respectively, and a swing frame drives the spraying disc to realize a repeated swinging effect, so that the spraying range of tap water is continuously changed, and the spraying range of dust falling is expanded; an arranged steering mechanism can drive the transmission shaft to achieve circumferential water anticlockwise alternate rotation, and the atmospheric dust falling effect is remarkably improved; an arranged lifting adjusting mechanism can adjust the dust falling height, and the use flexibility and adjustability are greatly improved.

The invention discloses a method for manufacturing a solid block by using sludge, the solid block, and a backfilling method. The method for manufacturing the solid block comprises the steps that: lime sludge is prepared by using sludge and lime; the lime sludge is mixed with cement, such that a material is obtained; and the material is manufactured into the solid block. The backfilling method comprises the steps that: slurry is prepared; the solid blocks and the slurry are filled into a void, such that the slurry is filled into the spaces among the solid blocks and between the solid blocks and the inner surface of the void. The slurry is foamed light soil slurry or concrete slurry. With the method for manufacturing solid blocks by using lime sludge and the backfilling method with the solid blocks, sludge is turned harmless, sludge amount is reduced, and sludge can be turned into a resource. Sludge is sufficiently prevented from polluting the environment, and secondary pollution is avoided. Sludge can be recovered and utilized. Also, problems such as atmospheric dust caused by backfilling by using sand and gravel are avoided.

The invention relates to a method of carrying out ecological management on mineral waste residues left by gold exaction in hydrometallurgy, in particular to an ecological management method of gold ore tailings after hydrometallurgy. According to the method, a land consolidation and plant seed selection ecological restoration treatment technology is utilized, a large amount of mineral separation solid wastes after hydrometallurgy crushing mineral separation are treated, the regional ecological functions are recovered, the water and soil loss and the atmospheric dust are effectively controlled, excellent ecological benefits and social benefits are realized, and the method has the characteristics of low cost and rapid effect.

The invention discloses a novel high-molecular environmentally-friendly dust-suppressing agent. The novel high-molecular environmentally-friendly dust-suppressing agent comprises the following raw materials, in parts by weight: 10-20 parts of an initiator, 5-10 parts of a crosslinking agent, 4-8 parts of a pH buffering agent, 10-15 parts of gellan gum, 10-20 parts of sodium carboxymethylcellulose,12-16 parts of sodium tetraborate, 1-5 parts of a surfactant, 60-80 parts of starch and 150-200 parts of deionized water. The preparation method comprises the following steps: adding the deionized water and the starch into a reaction kettle according to a ratio of 2:1, performing gelatinization, performing cooling, adding 50-200 mL of a monomer solution, adding the initiator, the crosslinking agent, the pH buffering agent, the gellan gum, the sodium carboxymethylcellulose, the sodium tetraborate and the surfactant, performing heating under stirring under anaerobic conditions, and performing aconstant-temperature reaction for 2-3 h at 60-90 DEG C to obtain the novel high-molecular environmentally-friendly dust-suppressing agent. The novel high-molecular environmentally-friendly dust-suppressing agent provided by the invention has a simple manufacturing process, is easy to operate, effectively reduces dust flying, greatly reduces an atmospheric dust concentration in a dust suppressionsite, and has significant social and economic benefits.

The invention discloses a preparation method of a dust suppressant with a photocatalytic degradation function, which is characterized in that a natural multi-hydrophilic group material which is wide in source, green, non-toxic and easy to degrade is used as a synthetic matrix material of the dust suppressant, and is subjected to cross-linking reaction with a film-forming agent and a moisture absorbent under the action of a cross-linking agent to prepare the dust suppressant with the photocatalytic degradation function. The preparation method comprises the following steps: firstly preparing a hydrophilic group-containing dust suppressant, forming the dust suppressant which is rich in hydrophilic groups, has a net-shaped structure and has wetting, consolidation and coagulation properties, and carrying out coupling grafting reaction on the prepared dust suppressant and coupling agent-modified nano TiO2, so that the nano TiO2 is loaded on the prepared dust suppressant, and finally, the dust suppressant with a photocatalytic degradation function is prepared. The dust suppressant disclosed by the invention is green, environment-friendly, easy to degrade, excellent in dust suppression performance, simple to apply and wide in application range, has a photocatalytic degradation function, can be applied to atmospheric dust fall, dust suppression of a construction working surface, dust suppression of a material pile, dust suppression of road transportation and sand fixation of soil, and has important significance in improving the quality of ambient air.

The invention relates to an additive for wet clay sand and a preparation method of the additive. The additive is prepared from the raw materials: sodium bentonite, pulverized fuel ash, coal series kaolinite and plant ash. The prepared additive can be moulded without the addition of pulverized coal and pottery clay, and is nontoxic, tasteless, smokeless, dust-free, and clean, the atmospheric dust pollution is reduced, the air quality is improved, the ecological environment is improved, and the health of the masses is ensured; and moulding sand prepared from the addition has a sand adherence prevention effect, and a casting has a smooth and fine surface, and has high toughness. Since no gas generated by pulverized coal exists, the air permeability mechanism of moulding sand is improved, wastes of casting shrinkage porosities and cavities and subcutaneous blowholes due to low air permeability are reduced, the finished product rate of the casting is effectively improved, and the inherent quality is greatly improved.

The invention discloses dust settling equipment with a spray end capable of swinging back and forth for atmospheric dust pollution treatment, comprising a device body, a handle, an electric telescopic rod, a spray barrel and a water pump. The handle is fixedly mounted at the left end of the device body, the electric telescopic rod is fixedly mounted in the device body, a one-way circulating valve is fixedly installed on a blow-off pipe, a vertical rod is installed on the inner side of an extrusion block, a water conveying pipe is installed below the left end of the spray barrel, the end of the water conveying pipe is fixedly installed on the side of the water pump, a fixed toothed plate is installed at the lower end of a positioning gear ring, and the side of the lower end of the fixed toothed plate is fixedly mounted at the upper end of the device body. According to the dust falling equipment with the spray end capable of swinging back and forth for atmospheric dust pollution treatment, the overall spray range can be enlarged in the spray type dust falling process, the working efficiency during atmospheric dust treatment is improved, and meanwhile, dust on the ground can be well absorbed and removed in the spray type dust falling process.

The invention discloses an atmospheric dust phase real-time analytic system which comprises a suction filtration window and a suction filtration device, wherein a filter film strip is arranged between the suction filtration window and the suction filtration device, the filter film strip is driven by a conveying device which is controlled by an electric control system; and the filter film strip is further conveyed in front of a detector window of an X-ray diffraction analytic device by the conveying device for carrying out real-time analysis on the dust sample. The atmospheric dust is collected and enriched in different ways, so that the analytic and detection method is enriched, the layered analytic function to samples is provided, the detection limit of the system is enhanced, the phase analysis of inorganic components and organic components of the airborne dust is realized, the collection and remote control of analytic data are convenient, the system is beneficial to analysis monitoring of airborne and investigation and management of atmospheric environment, so the system has high values in application and promotion.

The invention discloses a sprinkling car for governing atmospheric dust pollution on a construction site. The sprinkling car comprises an automobile body, wherein the rear side of the automobile bodyis provided with a water storage tank; the water storage tank (2) is provided with a sprinkling mechanism; the rear side of the water storage tank is provided with a water addition mechanism; the automobile body is provided with a control mechanism; the sprinkling mechanism comprises a sprinkling pump, a sprinkling hole, a sprinkling pipe, a vertical hollow conduit, a multi-stage electric telescopic rod, a connecting rod and a water-barrier plate; the water addition mechanism comprises a liquid-level sensor, a water adding hole, an electric valve, a flexible conduit, a water adding conduit, abuilding high stage, a water outlet conduit, a manual valve, a rotating handle, a conical flare, a detection mechanism, a control switch mechanism, an annular airbag, an inflating hole, an exhaust fan, a waterproof shell, an air inlet pipe, a gas dividing hole, a gas dividing pipe, a gas-pressure meter, a camera and a transparent protective shell; and the control mechanism comprises a driving cab,a steering wheel, control buttons, a controller and a storage battery mechanism. The sprinkling car disclosed by the invention has the beneficial effects of simple structure and strong practicability.

The invention relates to a preparation technology of salt, in particular to a preparation technology of solar salt. The preparation technology of the solar salt comprises the specific steps of 1, making saturated brine from seawater, and transporting the saturated brine to a purifying pond through a pipeline for filtration and purification so as to filter off biological dead bodies, plant residual bodies, atmospheric dust fall and the like in the saturated brine; 2, adding the purified pure brine into a crystallization pond, controlling the depth of water in the crystallization pond to be 5-10cm, and during sun-curing, performing salt spinning and brine spinning with a rotary rake; 3, when the sodium-magnesium ratio of the brine is smaller than or equal to 2, stopping crystallization; 4, when the particles of the salt reach to 0.5-2.0mm and the evaporation amount of the salt reaches to 7mm, collecting the salt, when the salt needs to be collected, gathering the salt into heaps through cleaning tools, washing the salt with cleaning brine, then performing vacuum suction filtration and dehalogenation on the salt, and when the water content of the salt is smaller than or equal to 5.4%, stopping the operations of vacuum suction filtration and dehalogenation; and 5, preserving the obtained solar salt, packaging the preserved solar salt, and enabling the packaged solar salt to appear on the market.

The invention relates to an online atmospheric dust particle size measurement system, and belongs to the technical field of air measurement devices. The online atmospheric dust particle size measurement system comprises a lifter, a collector, a range finder, a particle size analyzer, a display and a control memory. The collector is mounted at the execution end of the lifter; the lifter is used fordriving the collector to lift; the range finder is used for measuring the distance between the collector and the ground; the particle size analyzer is used for detecting the particle size of the atmospheric dust collected by the collector; the display is used for displaying atmospheric environment parameters; the control memory is electrically connected with the lifter, the range finder, the particle size analyzer and the display, is used for controlling the lifter to lift according to the distance between the collector measured by the range finder and the ground, and is used for controllingthe display to display particle size data in real time according to the particle size of atmospheric dust collected by the collector detected by the particle size analyzer. The online atmospheric dustparticle size measurement system can realize collection and particle size detection of atmospheric dust samples with different heights, and is wide and accurate in measurement range.