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620results about How to "Full response" patented technology

Flocculation reactor with special-shaped spoiler

The invention relates to a flocculation reactor with a special-shaped spoiler, and the flocculation reactor provided by the invention comprises a reactor shell, a stirrer arranged in the middle part of the reactor, special-shaped baffles arranged on the inner wall of the reactor and spoiler grids arranged on an upper head, wherein the upper part of the side wall of the shell is provided with a material charging port, and the bottom part of the side wall of the shell is provided with a material discharging port; the forms (the shapes of the axial cross sections) of the special-shaped baffles comprise bulges in a sine shape, a wave shape, a semicircular arc shape, a circle shape or an irregular shape; the baffles are arranged vertically, obliquely or horizontally; and multiple baffles are uniformly or irregularly scattered or continuously fixed on the inner wall of a flocculator. The height, width and thickness of the spoiler can be changed along the circumference direction or axial direction of the inner wall of the reactor. The spoiler and the stirrer are matched through different forms, thereby fully mixing a flocculating agent with liquid, improving the shearing rate of fluid, reducing dead zones of a flow field, enhancing a micro-vortex and achieving the purposes of strengthening a flocculation flow field and enhancing the flocculation effect. The flocculation reactor provided by the invention has the advantages of simple structure, high flocculation efficiency, low cost and good application prospect, and is convenient in installation and maintenance.
Owner:TIANJIN UNIV

Phosphorous-nitrogen-containing polyethylene glycol terephthalate flame retardant copolyester and application of flame retardant copolyester

The invention discloses a phosphorous-nitrogen-containing polyethylene glycol terephthalate flame retardant copolyester and an application of the flame retardant copolyester. Through introducing phosphorous and nitrogen flame retardant monomers into a flame retardant polyester polymer, in situ synergistic interaction inflaming retarding of phosphorous and nitrogen flame retardant elements is achieved; phosphorus-containing polyester dihydric alcohol is introduced to adjust the phosphorous content of the flame retardant copolyester, and the flexibility, the spinnability and the dyeability of a chain segment; tri(2-ethoxy) isocyanurate is introduced, and has positive significance on extender chain crosslinking, tackifying and anti-dripping of the copolyester; the phosphorous-nitrogen-containing polyethylene glycol terephthalate flame retardant copolyester and the product of the flame retardant copolyester can be widely applied to the fields such as curtain fabrics, soft wall wrapping cloth, electric power industrial fabrics, energy industrial fabrics, water conservancy geotextile, carpets, hometextile and medical partition curtains; and the related flame retardant products pass through various flame retardant standards (for example, BS5852-2006 flame retardant standard, BS5867-2-2008 flame retardant standard, or B1 grade of GB8624-2012 flame retardant standard and the first grade of GB20286-2006 flame retardant standard).
Owner:HANGZHOU XIANGJUN TEXTILE FLAME RETARDANT TECH

Synthesis method of self-assembled Ni3S2 nano-sheet

The invention provides a synthesis method of a self-assembled Ni3S2 nano-sheet. The method comprises steps as follows: firstly, foamed nickel is ultrasonically cleaned in acetone and an HCl solution in sequence, then washed with deionized water and absolute ethyl alcohol respectively and air-dried at the room temperature; secondly, air-dried foamed nickel is put in a high-temperature and high-pressure reactor provided with a polytetrafluoroethylene lining, a thiourea solution and a polyvinylpyrrolidone morphological regulating agent are added to the reactor, the reactor is sealed and put in adrying oven, after the reaction is finished, a mixture is naturally cooled to the room temperature, and foamed nickel is taken out and repeatedly washed with water and absolute ethyl alcohol; finally,washed foamed nickel is put in a vacuum drying oven and dried at the room temperature, and a self-assembled Ni3S2 nano-sheet array self-supporting electrode is obtained. The solvothermal method has the characteristics of simple process, short preparation cycle and easily controllable reaction conditions, and reaction progress and morphology size can be controlled by adopting different temperatures, so that different special structural morphologies are obtained.
Owner:吉林省春泽露科技有限公司

Metal lithium composite material and preparing method thereof, and multilayer metal lithium composite material and preparing method thereof

The invention provides a preparing method of a metal lithium composite material. The preparing method comprises the steps of 1, soaking a first macroporous material into a solution to obtain the soaked macroporous material, wherein the solution contains a porous carbon material and/or a porous carbon material precursor; 2, annealing the soaked macroporous material after the macroporous material isdried to obtain a treated material; 3, loading metal lithium into the treated material and/or onto the surface of the treated material to obtain the metal lithium composite material. Compared with the prior art, the porous carbon material is utilized to construct a multistage pore passage structure in pores of the macroporous material, and thus a multistage contact interface of an electrolytic solution and metal lithium is constructed; meanwhile, metal lithium is divided and bounded within the space of a micrometer scale, and sufficient reaction and deposition of metal lithium are facilitated; the multistage structure provides a three-dimension channel for conduction of electrons, and the growth of metal lithium dendritic crystals is inhibited, so that the metal lithium composite materialhas high specific capacity, high-rate performance and high cycling stability.
Owner:NINGBO INST OF MATERIALS TECH & ENG CHINESE ACADEMY OF SCI

High-performance micro-nano multi-level structure BiOCl photocatalytic material and preparation method thereof

The invention relates to the field of nanomaterials and photocatalytic technologies and specifically relates to a high-performance micro-nano multi-level structure BiOCl photocatalytic material and a preparation method thereof. According to the preparation method provided by the invention, polyvinyl alcohol which is a non-toxic and biodegradable surfactant is introduced, so that BiOCl nano-sheets generated by reaction are self-assembled into micro-nano multi-level structure flower-like microspheres, wherein the diameter of the flower-like microspheres is 2-3 mu m, the length of the nano-sheets is 100-300nm, the width of the nano-sheets is 100-300nm, the thickness of the nano-sheets is 10-50nm, the nano-sheets are mutually overlapped to form a large number of pore structures with the aperture of 50-200nm, and the specific surface area is not less than 46.9m<2>/g. The BiOCl photocatalytic material not only can take the high catalytic activity and efficiency advantage of nano-units, but also can effectively overcome the defects that a nano-photocatalyst is difficult to recover and easily produces secondary pollution in use. The preparation method can be completed in one step at room temperature, has the advantages of simple process, low energy consumption, low cost, short preparation period and environmental friendliness, and is conductive to engineering large-scale preparation and application.
Owner:HEFEI UNIV OF TECH

Improved A*N denitrifying dephosphatation and deep denitrification device and method

ActiveCN101538104ASolve the problem of excessive ammonia nitrogenFully release phosphorusTreatment with aerobic and anaerobic processesMultistage water/sewage treatmentBiofilmAmmoniacal nitrogen
The invention relates to an improved A2N denitrifying dephosphatation and deep denitrification device and a method, belonging to the field of sewage treatment. The device is characterized in that a combined aeration tank is arranged between an anoxic tank and a final depositing tank; the combined aeration tank realizes synchronous aerobic phosphorus absorption and biofilm nitrification; a cube sponge filling is filled; the batching ratio of filling is 20 to 30 percent of effective volume of a reactor; and the combined aeration tank is provided with an air pump, an air flow meter and an aerator pipe. Under the condition of adding no reaction area in the original A2N technique, the invention replaces a post aeration reaction tank with the combined aeration tank adopting suspending sponge filling as carrier of nitrobacteria, and controls the parameters of aeration amount and temperature and the like to realize the nitrification and synchronous of nitrification-denitrification of ammonia nitrogen. The invention does not add the process flow and energy consumption of operation, solves the fatal problem of the traditional technique, and guarantees the stable and high-efficiency removal of nitrogen and phosphorus in effluent quality.
Owner:SDIC XINKAI WATER ENVIRONMENT INVESTMENT CO LTD

Ternary positive electrode material of high-nickel monocrystal-like lithium ion battery and preparation method thereof

The invention discloses a preparation method of a ternary positive electrode material of a high-nickel monocrystal-like lithium ion battery and the prepared ternary positive electrode material. The preparation method comprises the following steps: sintering a precursor and a lithium source in air or oxygen; uniformly mixing the precursor metal oxide A and lithium oxide obtained by sintering according to a molar ratio of lithium to metal ions in A of 1.0-1.1, and carrying out primary sintering in oxygen to obtain B; adding 30-70% by mass of B into pure water, uniformly mixing, adding 0.5-3% bymass of an oxidizing agent without metal ions, and stirring at 10-50 DEG C for 10-30 minutes; filtering, drying, carrying out secondary sintering in oxygen, and sieving to obtain the ternary positiveelectrode material LiNi<x>Co<y>Mn<z>M<t>O<2> of the high-nickel single-crystal-like lithium ion battery, wherein x is more than or equal to 0.60 and less than or equal to 0.90, y is more than or equalto 0.05 and less than or equal to 0.20, z is more than or equal to 0 and less than or equal to 0.20, t is more than or equal to 0 and less than or equal to 0.005, x+y+z+t is equal to 1, and M is oneof Al, Ca, Mg, Zr, Ti, Sr, Mo, W and Ce. The ternary positive electrode material of the high-nickel single-crystal-like lithium ion battery contains divalent nickel, has few surface impurities lithiumand impurities, and is good in processability, high in capacity and good in cycle performance when being used for manufacturing the battery.
Owner:新乡天力锂能股份有限公司

Preparation method of SiC/C-AlPO4-mullite antioxidation coating for C/C composite material

ActiveCN102674903AHigh extraction rateFull and full responseSilica fumeVacuum furnace
The invention relates to a preparation method of an SiC/C-AlPO4-mullite antioxidation coating for a C/C composite material, which comprises the following steps: mixing silicon powder and graphite powder to obtain powder A; mixing Al2O3 powder, WO3 powder and B2O3 powder to obtain powder B; mixing the powder A and the powder B to obtain embedded powder C; putting a sample in a graphite crucible, adding the embedded powder C, putting the graphite crucible in a vertical vacuum furnace, heating to react while introducing argon as a protective atmosphere, cooling to room temperature, and cleaning with anhydrous alcohol in ultrasonic waves to obtain a silicon carbide transition layer for the C/C composite material; adding the C-AlPO4 and the mullite powder into methanol, adding iodine to obtain a suspension, and putting the suspension in a hydrothermal kettle, wherein the cathode adopts the C/C composite material with the silicon carbide transition layer; and sealing the hydrothermal kettle, putting the hydrothermal kettle in an ultrasonic-microwave generator, depositing, taking out the sample, and drying to obtain the SiC/C-AlPO4-mullite antioxidation coating for the C/C composite material. The composite coating can protect the C/C composite material at 1500 DEG C in static air for 322 hours, and the oxidative weight loss is less than 2%.
Owner:深圳市贝尔新材料科技有限公司

Modified asphalt waterproof coiled material with reinforced overlap edges and production method of modified asphalt waterproof coiled material

The invention relates to a modified asphalt waterproof coiled material with reinforced overlap edges and a production method of the modified asphalt waterproof coiled material. The modified asphalt waterproof coiled material comprises a main body material layer, a modified asphalt layer and an isolating membrane, wherein two strips of fiber cloth are respectively embedded between the parts, which are respectively 0.1-1cm away from the edges of the two sides along the longitudinal direction of the modified asphalt layer, and the isolating membrane, so that the overlap edges are formed. After the method is adopted, the mechanical properties of the overlap edges are obviously improved after the modified asphalt waterproof coiled material is molded, so that the water resistance of the modified asphalt waterproof coiled material is more reliable; the production method provided by the invention solves the problems that in the traditional production process, due to mechanical mismatch of the left side and the right side of the coiled material, the coiled material is neat when being coiled and is twisted when being unfolded, and the like, and improves the quality of the waterproof coiled material.
Owner:XI NIU PI WATERPROOFING TECH CO LTD

Impinging stream mixing reactor with multiple groups of layered symmetric baffles

The invention discloses an impinging stream mixing reactor with multiple groups of layered symmetric baffles, and relates to a chemical reactor. Multiple groups of material inlets of the reactor are coaxially and oppositely arranged, namely the reactor consists of multiple groups of coaxially and oppositely arranged material feeding pipes; mutually symmetric baffles perpendicular to each group of material inlets are arranged on the impinging surfaces of the material inlets; baffle plates are arranged between the material feeding pipes in each group. When the impinging stream mixing reactor works, two nozzles of each group of material feeding pipes jet materials to carry out impinging stream reaction; in the initial reaction stage, preliminary mixing is realized through axial high-turbulence dynamic impinging, and then a trend that the impinging stream outwards moves along two sides of the radial direction and leaves a central impinging stream field is generated; at the moment, by the arrangement of two symmetric baffles, the deviation trend is blocked, so that fluid flows back into a high-turbulence dynamic region to realize full reaction and mixing; furthermore, under the action of the baffle plates, the materials form cyclically reciprocating streaming, so that the retention time of the materials in an impinging region is greatly prolonged, and the working efficiency of the reactor is improved; meanwhile, the reactor is convenient to install, applicable to multiple working conditions and low in maintenance cost.
Owner:SHENYANG INSTITUTE OF CHEMICAL TECHNOLOGY

Method of preparing ultrafine silica from chlorosilane residual liquid

The invention discloses a method of preparing ultrafine silica from chlorosilane residual liquid, and belongs to the technical field of treatment and recovery of chlorosilane residual liquid. The preparation method comprises the following steps: buffering chlorosilane residual liquid in a residual liquid storage tank, settling impurities in the tank, introducing the processed chlorosilane residual liquid to a hydrolysis tower, carrying out atomization by taking the nitrogen gas as the atomization gas source, contacting a prepared acidic absorber with the atomized chlorosilane residual liquid to carry out reactions, introducing the obtained mixed solution absorbed by hydrolysis reactions into a sealed intermediate collecting groove; subjecting the absorbed mixed solution to solid-liquid separation, delivering the separated hydrochloric acid, which can be used to prepare the absorber, to a hydrochloric acid storage tank; washing the separated silica to remove the hydrochloric acid and part of metal impurities, wherein the acid-containing water generated during the washing process can be used to prepare the absorber; and finally drying the washed silica so as to obtain the finished product of ultrafine silica. The nitrogen gas atomization is carried out under a sealed condition, and the provide method has the advantages of safety, reliability, low energy consumption, and no pollution, and converts the chlorosilane residual liquid into valuable resource.
Owner:云南冶金云芯硅材股份有限公司 +1

Contaminated soil repairing and crushing treatment device

The invention relates to the technical field of soil treatment equipment, in particular to a contaminated soil repairing and crushing treatment device. The contaminated soil repairing and crushing treatment device comprises a base, a first support, a roller barrel, a stabilization assembly, a main shaft and a shaft body power driving assembly. The roller barrel capable of freely rotating is arranged on the base through the first support. The first support is provided with the stabilization assembly capable of limiting the roller barrel and making the roller barrel stably rotate. An inner hole of the roller barrel is in a left-right penetrating state. A left bearing block assembly is fixedly arranged on the inner side of the left end of the roller barrel through a hollow support. A fixing barrel is fixed to the part, on the right of the roller barrel, of the base through a second support. The contaminated soil repairing and crushing treatment device is reasonable in structure and capable of saving time and labor, through reverse rotation of the roller barrel and the main shaft and comprehensive actions on material crushing, stirring, aeration, material self-falling gravity and the like, the oily sludge crushing efficiency can be improved, the decomposing effect and the repairing effect of the oily sludge are improved, and the decomposing effect and the repairing effect of the oily sludge are further enhanced in cooperation with the magnetic interference function of a magnetic field generator.
Owner:张宝德
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