40results about How to "Avoid smog" patented technology

The invention belongs to the field of PI nanofiber film preparation, and particularly relates to a PI& graphene oxide composite nanofiber film preparation method. The method includes: a step a, preparation of a PI spinning solution: dissolving PI and a surfactant in the same organic solvent, adjusting the pH of the PI solution to be acidic, adding the surfactant solution into the PI solution, performing reaction at the temperature of 80-100 DEG C for 0.5-1.5 hours to acquire the PI spinning solution; a step b, preparation of small lamellar graphene oxide: using nano-graphite as a raw material, performing gradual oxidization through concentrated sulfuric acid, fuming nitric acid and potassium permanganate, and acquiring a graphene oxide dispersion liquid through centrifugation and washing; a step c, preparation of a composite spinning solution: mixing products acquired from the step a and the step b to acquire the composite spinning solution; a step d, acquisition of the composite nanofiber film through spinning. The prepared nanofiber film is fine in diameter, is small in hole, is excellent in tensile strength, has better filtering performance than the conventional nonwoven fabric filter films, and can effectively prevent suction of PM 2.5.

The invention discloses an open-type spontaneously generating negative oxygen ion multifunctional water permeable brick. The open-type spontaneously generating negative oxygen ion multifunctional water permeable brick comprises a surface material layer and a bottom material layer, wherein the surface material layer comprises the following components in percentages by weight: 90-93% of wall floor tile waste particles A, and 7-10% of composite water soluble body A; the bottom material layer comprises the following components in percentages by weight: 90-93% of wall floor tile waste particles B,7-10% of composite water soluble body B; and the water absorption rate of the wall floor tile waste particles A and the wall floor tile waste particles B is less than 3%. According to the open-type spontaneously generating negative oxygen ion multifunctional permeable brick, rainwater can timely infiltrate into ground, and negative oxygen ions can be efficiently generated, so that air quality is improved, and smog pollution is reduced; and the brick deodorizes water body, reduces acidified rainwater, and has a sterilization function.

The invention relates to the technical field of waste gas treatment equipment and discloses an energy-saving and environment-friendly waste gas purifying device and an operation method thereof. The waste gas purifying device comprises a filtering tank, wherein support legs are fixedly mounted at the bottom of the filtering tank, an air inlet pipe is fixedly communicated to the top of the filteringtank, a partition board is fixedly mounted in an inner cavity of the filtering tank, an air guiding pipe is fixedly communicated to the bottom of the partition board, a filtering tank is fixedly mounted in an inner cavity of the filtering tank, and an activated carbon layer is fixedly mounted in the filtering tank. According to the energy-saving and environment-friendly waste gas purifying deviceand the operation method, waste gas is guided into the filtering tank through the air inlet pipe, smoke particles and foul smell in the waste gas can be adequately absorbed by the activated carbon layer through the cooperation of the air guiding pipe and the activated carbon layer, so that waste gas treatment equipment is greatly simplified, the purification cost is saved, the problem of haze caused by directly exhausting the smoke particles into atmosphere is avoided, and the environmental protection function of the device is added.

The invention provides a material drying system. The material drying system comprises a drying part and an exhaust treatment part, wherein the exhaust treatment part comprises a dedusting device for dedusting treatment on imported exhaust, at least one thermal pump system for heat absorption, cooling, condensing and dehumidifying of exhaust subjected to dedusting treatment, and a wet dust collection device for dust treatment on the exhaust treated by the thermal pump system, an air outlet of the dedusting device is connected with a heat absorption unit air inlet of the thermal pump system, and a heat absorption unit air outlet of the thermal pump system is communicated with an air inlet of the wet dust collection device. The exhaust in the material drying system is dedusted by the dedusting device for the first time and then is introduced into a heat absorption unit of the thermal pump system, a large quantity of heat in the exhaust is absorbed in the heat absorption unit of the thermal pump system, causing the exhaust temperature to reduce substantially to 55 DEG C or below, as a result, dedusting water is prevented from being evaporated in a wet dust collection stage, dust in the exhaust falls down better and is absorbed by wet dust collection water, so that smog is eliminated.

The invention discloses a fructus forsythia full-effect foliar protective agent and a preparation method thereof, and is characterized in that water and gelatinized starch are mixed according to the ratio of 10:1-15:1 and the protective agent comprises the following substances in percentage by weight: 1%-20% of chitin, 5%-30% of nano activated charcoal, 1%-10% of sodium carboxymethylcellulose, 1%-15% of potassium fulvate, 1%-3% of rare earth nitrate, 1%-3% of soil improvement water-retaining agent, 0.2%-2% of a biological preservative sodium alginate, 0.2%-0.5% of potassium sorbate, 0.03%-1% of an organic silicon penetrating agent, and the balance being a mixed solution of water and gelatinized starch with the ratio of 1-15:1. The foliar protective agent is suitable for the whole period ofthe growth of the fructus forsythia, and the nutrient supplement is from the mixture of starch, gelatin and a small amount of lecithin, the protective agent can be cast into a film, and the capability of adsorbing dust by the fructus forsythia leaves is increased through air flow, so that the occurrence of haze is prevented; a plurality of nutrient elements are added, the protective agent is suitable for protecting leaves in the whole period of the growth of the fructus forsythia; after rain, the fructus forsythia full-effect foliar protective agent can be sprayed again.

The invention discloses a header for a multifunctional corn harvester. The header is composed of a frame assembly, a stalk cutting device, a stem pulling device, an ear plucking device and a conveyingdevice, wherein the stalk cutting device is arranged at the front end of the frame assembly, the stem pulling device is arranged at the middle-rear end of the frame assembly, the ear plucking deviceis arranged on the rear end of the frame assembly, stem pulling rollers and ear plucking rollers are arranged on the frame assembly and under the ear plucking device, the conveying device is arrangedunder the ear plucking rollers, the driving shafts of the ear plucking device and the stem pulling device simultaneously input power, two cutters under the stalk cutting device are driven through chain wheels and chains to carry out no-row cutting of stalks, the cut stalks with ears are conveyed to a space between the two ear plucking rollers and undergo corn ear plucking, and the plucked corn ears fall into the conveying device, and are conveyed to a next mechanism for processing. The header provides a platform for the automation of one-time completion of juicing and packaging, crushing and kneading, ultrafine crushing and returning to field, silage reception, rotary tillage and other works of the stalks on the harvester.

The invention relates to the field of bronze pipe machining, and discloses a tin bronze pipe machining device which comprises a body. A fan bin is fixed to one side of the body, fans are installed atthe two ends of the inner part of the fan bin, a pipe outlet is formed in the middle of one side of the body, an installation plate is arranged on one side of the body, extrusion rollers are rotatablyconnected to the two ends of the inner part of the installation plate, a rotating motor is mounted on the rear surface of one set of extrusion rollers, and gears are mounted on the front surfaces ofthe two sets of extrusion rollers. A fixed column and a telescopic column are made of heat conduction materials, the fixed column is in contact with water in the cavity in the body to cool the telescopic column, when a copper pipe enters the body, the copper pipe is clamped and fixed under the action of a reset spring, by arranging a connecting ring, the heat dissipation efficiency of the fixed column can be improved, the copper pipe is cooled and subjected to heat dissipation separately, nitrogen cooling is matched, the annealing effect of an annealing furnace is improved in a multi-mode-in-one mode, and the use amount of nitrogen is reduced.

The invention discloses a defogging water-collecting device used for a wet cooling tower. The device provided by the invention can efficiently recover evaporation loss in the form of gaseous water vapor and wind blowing loss in the form of liquid water droplets in hot and humid gas discharged from the cooling tower, and when a temperature of cooling water and a flow rate of gas reach experimentaloperating conditions, the water recovery efficiency is as high as 80% or more; quality of the recovered water meets a circulating water use standard, and the water can be returned to circulating waterfor use to achieve the purpose of saving water in the wet cooling tower; and at the same time, haze and ice formed by the hot and humid gas in a gas discharge outlet of the cooling tower in the surrounding environment can be effectively avoided, and spreading and diffusion of microorganisms affecting human health, such as legionella can be reduced.

A method for utilizing abandoned rice stems for making dish tableware comprises the following steps that (1), raw materials are prepared; (2), the abandoned rice stems are smashed to be with needed length; (3), the smashed stems in the second step are mixed with starch, talcum powder and sodium hydroxide water according to the proportion, stirring is carried out for 3 minutes to 30 minutes, and stirring is even; (4), a mixture is put in an extruding machine, the rotating speed of a feeding rod is 25 r/min, the rotating speed of a discharging rod is 32 r/min, and new raw materials are extruded out; (5), the new raw materials in the step (4) are injected into a bowl or dish mold to be compacted, high-temperature gas is led into the mold, and maintenance is carried out for 30 minutes to 50 minutes; (6), mold stripping is carried out; (7), a harmless temperature-resisting film is pressed on the inner surface of a dish or bowl; (8), boxing is carried out after drying is carried out; and (9), the tableware is disinfected through gamma rays and then is put into a warehouse. The method has the advantages that the abandoned cotton plant stems are fully utilized, the environment pollution caused by burning is avoided, large-scale cutting of the forest is reduced, green vegetation is protected, and accruing of hazy weather is prevented.

The invention discloses an unloading device for an assembly type building installation component. The device comprises a base, and crawler belts are hinged to two sides of the bottom of the base through bearings. A stand column is fixedly installed in the middle of one end of the top of the base. The upper ends of three sides of the stand column are fixedly connected with the base through inclinedstruts, the upper end of one side of the stand column is fixedly connected with a discharging hopper through a transverse strut, the top of the stand column is movably connected with a suspension armthrough a bearing, one end of the suspension arm is located at the upper end of the stand column and fixedly connected with a motor fixing frame, and a copper core motor is installed above one end ofthe motor fixing frame. The invention discloses the unloading device for the assembly type building mounting component. Through an arranged storage box, a remote controller or maintenance tool is more convenient to carry and free of omission, through the arranged discharging hopper and an arranged lifting plate, secondary carrying is not needed, time and labor are saved, the working efficiency ofworkers is improved, environmental pollution is reduced, haze is avoided, and the living environment of people is healthier.

The invention relates to environment-friendly dust removal treatment equipment, and belongs to the technical field of dust removal equipment. The equipment comprises a spraying box, a negative pressure fan, a spraying system and a drying device; the spraying box is connected with the negative pressure fan used for introducing gas into the spraying box through a pipeline, the spraying system is installed in the spraying box, and a filtering pond used for filtering dust removal sewage is installed at the bottom of the spraying box. A drying device for drying gas is further mounted on the spraying box; gas is introduced through the negative pressure fan, efficient dust removal is conducted on the gas through the spraying system, atomized water vapor full of the spraying box makes full contact with the gas, formed sewage is filtered in the filtering tank and then can be pumped to the outside for use, and the dedusted gas enters the drying device, is dewatered and then can be discharged. According to the technical scheme, the problem of sanitation of the field working environment can be solved, smoke diffusion can be prevented, treated gas can be directly discharged, meanwhile, generated sewage can be effectively treated, and the environment cannot be affected.

The invention relates to a PN 2.5 haze-prevented sound-proof ventilation window. The window is a sound-proof window made of three layers of glass, and the glass is divided into outer-layer sound-proofglass (7), intermediate-layer sound-proof glass (6) and inner-layer sound-proof glass (19), so that the sound-proof window has the good sound-proof effect. As long as an air suction fan (16) is turned on, air outside the window is sucked in, the air firstly enters through an air inlet (8) in the outer-layer sound-proof glass (7), then enters a sponge layer (4) in an absorption box with more waterstorage after being filtered through outer-layer water absorbing sponge (5), and then enters a clear water layer (3) in the absorption box (2), so that PN 2.5 is completed absorbed. Due to the actionof the air suction fan (16), then the air passes through the sponge layer (4) in the absorption box and dust-collecting sponge (20) in the absorption box, and the air suction fan (16) is used for sending the fresh air without PN 2. 5 into a room to realize the purpose of haze prevention.

The invention relates to a method for multifunctional ecological control through sponge. The method includes constructing a water stagnation accumulation pipe network and an ecological control layer (comprising a plant oxygen production layer in a plant form thereon); the water stagnation accumulation pipe network gathering and storing water from the surface and/or underground, and delivering the stored water to plants of the ecological control layer to supply water for growth and evolution of organisms of the ecological control layer. According to the method, recycling of water resources and ecologic control engineering are combined, the problems of flood and drought are solved, formation, development and maintenance of the ecologic control system are further promoted, and great development and great revolution of biological oxygen movement are boosted. The method is suitable for being applied to construction fields of cities, towns, new countryside, constructed wetlands, industrial and mining establishments and the like, is particularly applicable to ecological control in regions of mines, oil field, geological-hazard-prone areas, wilderness, saline-alkali soil, deserts, estuaries, coasts, mud flat, wetlands, water-level-fluctuating zones, sides of traffic roads and the like, as well as other regions needing ecological remediation in people's production and living environments.