49results about How to "No enrichment" patented technology

The invention discloses an iron mine sintering flue gas segmented circulation method. Sintering flue gas high in O2 content on the tail portion of a sintering machine is circulated to the interior of a head flue cover of a sintering feed surface of the head portion of the sintering machine, flue gas of two to three bellows highest in SO2 content in a bellow on the tail portion of the sintering machine is conveyed to a desulfurization system to be desulfurized, and flue gas in other bellows is circulated to a middle flue cover of a sintering feed surface of the middle portion of the sintering machine. After segmented flue gas circulation is adopted, SO2 will not be accumulated in sintering ore, dust emission is reduced by 20-40%, NOx emission is reduced by 20-40%, dioxin emission is reduced by 50-80%, and CO2 emission is reduced by 20-45%.

The invention relates to an imidacloprid complex pesticide for controlling the pest of willow twig gall midge. Active components in each 100 parts of the imidacloprid complex pesticide comprise, by weight, 9 to 11 of imidacloprid, 7 to 9 of angled bittersweet, 4 to 6 of lilac daphne flower bud, 4 to 6 of cyrtomium rhizome, 4 to 6 of neem fruit, 4 to 6 of euphorbia root, 4 to 6 of lightyellow sophora root, 4 to 6 of garlic, 4 to 6 of coptis, 4 to 6 of daturae flower, 2 to 3 of betel nut, 2 to 3 of common cnidium fruit, 2 to 3 of broom cypress fruit, 2 to 3 of Chinese honey locust leaves, 2 to 3 of ailanthus leaves, 2 to 3 of pine needle, 2 to 3 of stemona root and 2 to 3 of common threewingnut root. Each of the above-mentioned Chinese herbal medicines is extracted by using water or an organic solvent, and all the obtained extract products are used as raw materials for the pesticide. Production cost for the imidacloprid complex pesticide provided in the invention is low, and the raw materials are widely available; the pesticide has the characteristics of high efficiency, low toxicity, high security and environmental protection, enables resistance not to be generated and has special efficacy on controlling the pest of willow twig gall midge.

The invention relates to a novel technology for preparing vanadium pentoxide by using stone coal ignited residue containing scherbinaite, which comprises the following steps: the stone coal ignited residue containing scherbinaite is directly filled in a cement leaching tank without being smashed or ball-milled, and then leached by a dilute sodium carbonate solution at normal temperature or by heating at the temperature of 60 DEG C to 100 DEG C; the obtained leach solution is adsorbed by resin and desorbed by saturated sodium chloride; the desorbed solution is dephosphorized and then added with ammonium chloride to precipitate vanadium, so as to obtain ammonium metavanadate, and the ammonium metavanadate is pyrolyzed to obtain the vanadium pentoxide. The invention has the advantages that (1) the nubbly stone coal ignited residue containing the scherbinaite is directly filled in the cement leaching tank for leaching so that the investment of fixed assets is saved and the problem of dust pollution in workshop is solved; (2) energy is saved by utilizing the waste heat of a roasting furnace for heating the leach solution, the leaching speed is quickened, the recovery rate is improved and the grade of vanadium contained in the leach solution is enriched; (3) by adopting the dilute sodium carbonate solution to substitute sulphuric acid for warming leaching, per ton of fine vanadium consumes approximately 2 tons of sodium carbonate only, therefore, production cost is saved compared with leaching per ton by sulphuric acid; (4) the water used for working can be recycled, thus realizing zero release; the leach residue is slightly alkaline and meets the national placement standards of general wastes.

The invention discloses a forming technology of a diamond bead cold pressed blank, comprising the following steps of: (1) pelletizing powder material to be compressed, to obtained pelletized powder; (2) simultaneously and bilaterally compressing the pelletized powder; (3) when compressed, automatically sinking a lower pressure head, to change a final forming position; (4) and sintering after completing compression, and then completing preparation of the diamond beads after stirring. The technology not only can solve disadvantages of traditional manual cold press, simultaneously, but also can provide a diamond bead cold press forming technology with wider adaptability and more stable performances, and further promotes development of a diamond rope saw.

The invention provides a conductive polymer-supporter composite material, which is composed of a conductive polymer material and a supporter material, wherein the supporter material is taken as the carrier, and the conductive polymer material is dispersed on the surface of the supporter material. The conductive polymer material can be one of polyaniline, polypyrrole, polythiophene, and ring/heteroatom substituted derivatives thereof. The composite material has a high specific surface area, can effectively avoid the agglomeration and adhesion among conductive polymer materials (polyaniline, polypyrrole, polythiophene, and the like), and has a high adsorption and reduction performance on recycling metal elements in wastes, and the metal recovery efficiency is effectively increased.

The invention relates to an acetamiprid complex pesticide for controlling the pest of willow twig gall midge. Active components in each 100 parts of the acetamiprid complex pesticide comprise, by weight, 4 to 6 of imidacloprid, 9 to 11 of angled bittersweet, 9 to 11 of euphorbia root, 9 to 11 lightyellow sophora root, 4 to 6 of lilac daphne flower bud, 4 to 6 of cyrtomium rhizome, 4 to 6 of neem fruit, 4 to 6 of prickly ash peel, 4 to 6 of coptis, 4 to 6 of monkshood, 2 to 3 of betel nut, 2 to 3 of common cnidium fruit, 2 to 3 of aloe, 2 to 3 of morning glory seeds, 2 to 3 of honeycomb, 2 to 3 of pine needle, 2 to 3 of stemona root and 2 to 3 of common threewingnut root. Each of the above-mentioned Chinese herbal medicines is extracted by using water or an organic solvent, and all the obtained extract products are used as raw materials for the pesticide. Production cost for the imidacloprid complex pesticide provided in the invention is low, and the raw materials are widely available;the pesticide has the characteristics of high efficiency, low toxicity, high security and environmental protection, enables resistance not to be generated and has special efficacy on controlling the pest of willow twig gall midge.

The invention discloses sun-screening agent spray. Sun-screening components with strong light sensitivity, an emollient, a solvent, a cooling agent, and the like are stored into an aerosol tank in anisolating mode through a bag, and a propellant is charged between the aerosol tank and the bag, wherein the cooling agent is preferably trans-1-chloro-trifluoropropene. The spray disclosed by the invention is cool, quick-drying and free of unpleasant smell. According to the invention, in use of a spray tank, a spray valve which can be rotated by 360 degrees is adopted to the operation and use of the sun-screening agent spray, and the sun-screening agent spray is safe (non-combustible), environmentally friendly (low-GWP and low-VOC), efficient and convenient, can effectively protect the effectiveness of a sun-screening agent within a quality guarantee period, and has cooling effect. The sun-screening agent spray disclosed by the invention is easy to carry, easy to use, easy to store, and safe and reliable, and has very excellent application performance.

The invention relates to an iron supplement for a chelating iron desulfurization solution as well as a preparation method thereof. The iron supplement is prepared from hydrous oxide of iron (FexOy.H2O) as well as a metal chelating agent and alkaline by reaction at certain temperature. Compared with the conventional iron supplements, because the iron supplement does not contain impurity anions, such as Cl<1->, NO3<1-> and SO4<-2>, the problem of equipment corrosion caused by Cl<1-> is eliminated effectively; the problem of subsequent wastewater treatment caused by NO3<1-> is also eliminated; most importantly, the separation by crystallization of salt caused by enrichment of SO4<-2> is prevented; the loss of the desulfurization solution can be reduced obviously; the running safety of equipment can be ensured.

The invention provides a special biodegradable cleaning agent for a building roof and a preparation method thereof. The cleaning agent is prepared from a nonionic surfactant, polyol alkyl ether, mineral oil dispersoid, a polysiloxane emulsion, an anionic surfactant, components of hydramine compounds, and deionized water. The special biodegradable cleaning agent can rapidly and effectively remove oily dirt required to be washed in a targeted manner, can be rapidly emulsified, dispersed and dissolved in water, is nontoxic or low-toxic, does not have pungent smell, is green and environmentally friendly, has biodegradability, and is convenient to operate.

The invention relates to the field of secondary batteries, and in particular relates to a method for improving the charging efficiency of a secondary battery. According to the method, a source magnetic field is applied to the secondary battery; the source magnetic field acts between the positive electrode and the negative electrode of the secondary battery to form a promoting magnetic field; and under the action of the promoting magnetic field, the movement of some charged particles is accelerated to cause the charged particles to form the state of curvilinear motion. According to the invention, the formed promoting magnetic field is applied to effectively regulate and control the charging process of the secondary battery and improve the charging efficiency; concentration and particle enrichment in the battery are prevented under the effect of the promoting magnetic field, thereby improving the uniformity of the movement of the charged particles; the reaction area of the negative electrode is increased; the reduction reaction of the negative electrode during charging is improved, and the charging efficiency is improved; active components of the negative electrode can be effectivelyprotected, and loss and shedding thereof are reduced; and the service life of the battery is prolonged.

The invention discloses a nitrating device for preparing o-nitrobenzaldehyde. The nitrating device comprises a first flow pump, a pipeline I, a magnetic stirrer, a second flow pump, a pipeline II, a pipeline III, a spiral-pipe heat exchanger, a pipeline IV and a liquid storage tank, wherein the first flow pump is connected to the magnetic stirrer by the pipeline I; the second flow pump is connected to the magnetic stirrer by the pipeline II; the magnetic stirrer is connected to the spiral-pipe heat exchanger by the pipeline III; the spiral-pipe heat exchanger is connected to the liquid storagetank by the pipeline IV. The invention also discloses a nitrating process and method for preparing the o-nitrobenzaldehyde. The nitrating device and the nitrating process and method disclosed by theinvention has the advantages that the initial reaction speed is increased; continuous feeding is achieved; the reaction time is short, and the total amount of participated reaction materials is less;when the factors such as power failure, water supply shutdown and stirring stoppage and the like occur, since the total amount of reaction materials in a reaction device is less, no explosion risk iscaused; a pipeline reactor adopts a production-line process, and is small in device and large in yield.

The invention discloses a catalyst. The catalyst is prepared from a mixture of at least three selected from the group consisting of metal fluorides and metal oxides, clay which is fully soaked in hydrofluoric acid, dried and crushed, and rice husk carbon which is fully soaked in hydrofluoric acid and dried according to a mass ratio of 1: (1-3): (1-3). The invention also discloses application of the catalyst in preparation of heptafluoropropane. The raw materials used by a fluorination catalytic system in the invention are cheap and easily available; cost is low; no polymer is enriched in the reaction process; the service life of the catalyst is greatly prolonged; a preparation method for the catalyst is simple in process, low in equipment requirement and mild in reaction conditions, and the conversion rate of the raw materials reaches 95% or above; and the fluorination catalytic system is non-decomposable and non-flammable in a dry environment, and can be continuously used.

The invention discloses a rare earth niobate high-entropy powder, a porous high-entropy ceramic, a preparation method and an application, and belongs to the technical field of high-entropy materials. The raw materials of the rare earth niobate high-entropy powder include rare earth trioxide and niobium pentoxide; the rare earth trioxide is dysprosium oxide, holmium oxide, erbium oxide, thulium oxide, ytterbium oxide, lutetium oxide, and yttrium oxide. In the mixture of 5-7 different trioxides, in any two trioxides, the molar ratio of the trioxide with a large amount to the trioxide with a small amount is 1-3. The present invention introduces different rare earth metal cations through the high entropy of niobate ceramic components. Due to the difference in atomic size in the high entropy phase, its atomic occupancy is shifted, which further leads to lattice distortion and increases the Phonon scattering; Rare earth niobate porous high-entropy ceramics have excellent thermal insulation properties due to the introduction of pore structure that reduces the solid-phase thermal conductivity of the material.