35results about How to "Simple and flexible process" patented technology

The invention discloses a ceramic flat membrane supporting body and a production method thereof. The ceramic flat membrane supporting body is formed by two layers of flat membranes, the left lateral wall, the right lateral wall and at least a supporting column; the two layers of flat membranes, the left lateral wall and the right lateral wall form into a flat-pipe-shaped structure; the supporting column is arranged between the two layers of flat membranes; the flat membranes which are in asymmetric structures comprise surface layers of sponge hole structures and internal layers of finger-shaped hole structures; separation selectivity, permeation flux and mechanical strength of the flat membranes are high. The production method of the ceramic flat membrane supporting body comprises preparing slurry, producing dies through a phase inversion method, forming through a die pressing method and sintering. The production technology is easy and flexible, the costs are low, the dies are cheap, the replacing is convenient, a plurality of assemblies in different sizes can be formed at one time, and the production efficiency is high.

The invention relates to an automatic driving environment perception-oriented small sample in-loop learning system and method. Algorithm training is carried out on a target learning model based on a data training set to obtain a target detection algorithm; small sample training set training learning is carried out on the physical ECU module, and a target perception algorithm is obtained; target algorithm testing of the system is carried out through the obtained target perception algorithm. The system comprises a sample input module, an image acquisition module, an image display module, a physical ECU module and a result output module. According to the automatic driving environment perception-oriented small sample in-loop learning system and method, learning method based on small-scale datais provided, the arranged in-loop experiment simulation platform is matched with simulation software to solve the problem that large-scale data are difficult to obtain in real vehicle automatic driving environment perception algorithm development; the scene self-definition function is achieved, a large number of scene data which are difficult to achieve in actual situations are generated throughsimulation, and the experiment development safety is improved.

The invention discloses a device and a method for processing restaurant wastewater. A ferrallitic sheet is used as an anode and a graphite sheet is used as a cathode to carry out pulse direct current electrolysis on the restaurant wastewater so as to cause an electrocoagulation reaction; simultaneously ultrafine ozone bubbles are fed into an electrocoagulation reaction region to strengthen the electrocoagulation reaction, so that ferrous irons Fe2+ generated in the electrolysis process is rapidly converted into ferric irons Fe3+, the volume of flocculate becomes larger and the flocculate precipitates more efficiently to remove most of pollutants in the wastewater; sludge generated in the electrocoagulation process enters an activated sludge reactor and a sludge concentrating and extruding device; and clear water containing a little amount of organic matter enters an aeration-ozone-ultraviolet combined treatment degradation tank and a photocatalyst micro filtration membrane, and finally outflows through a fine porous sand filtering tank. The produced water can reach the primary standard in the industry. The processing method has high impact-load resistance. The outlet water quality is stable. In the engineering, consumables have long service life. Therefore, the processing cost of the restaurant wastewater can be greatly reduced.

A method for manufacturing an optical fiber preform, including: a) providing a lining tube as a substrate tube, and doping and depositing by a PCVD or an MCVD process; b) in the reacting gas of silicon tetrachloride and oxygen, introducing a fluorine-containing gas for fluorine doping, introducing germanium tetrachioride for germanium doping, ionizing the reacting gas in the lining tube through microwaves to form plasma, depositing the plasma on the inner wall of the lining tube in the form of glass; c) after the completion of deposition, processing the deposited lining tube into a solid core rod by melting contraction through an electric heating furnace; d) sleeving the solid core rod into a pure quartz glass jacketing tube and manufacturing the two into an optical fiber preform; and e) allowing the effective diameter d of the optical fiber preform to become between 95 and 205 mm.

A substrate having a gate electrode layer, a gate insulating layer, and a silicon layer thereon is provided. These layers are patterned into a gate area, a gate line and a gate line wiring area. A passivation layer is formed on the entire substrate and patterned to form two contact holes in the passivation layer on the silicon layer at the gate area, and partions of the passivation layer at the gate line and at the gate line wiring areas are removed. An ion implanting layer and a metal layer are formed on the substrate and patterned to form a source region, a drain region, a data line, a data line wiring area and a second layer of the gate line wiring area. A pixel electrode is formed on the passivation layer and electrically coupled to the drain region. Therefore, the TFT array can be fabricated by only four masks.

The invention relates to a method of manufacturing reconstituted tobacco through a high-quality functional paper-making process. The method of manufacturing the reconstituted tobacco through the high-quality functional paper-making process is characterized by comprising the following steps: a. waste tobacco materials are extracted after being fully infiltrated in hot water, the mixture of each waste tobacco material and water enters a slurry-squeezing machine to be squeezed into slurry, and solid and liquid are separated; b. crude extract liquid enters a concentrating system and is concentrated after passing through a straight-line vibration screen and a horizontal screw decanter centrifuge, and solid-liquid separation is conducted on the crude extract liquid; c. after the slurry is squeezed through the slurry-squeezing machine, the mixture of waste tobacco materials and water enters a crude extract tobacco slurry pool, and biological enzyme processing is conducted on the tobacco slurry after compound proteases and lignin enzymes are added to the crude extract slurry pool or follow-up slurry pools. According to the method of manufacturing the reconstituted tobacco through the high-quality functional paper-making process, the content of injurious components in raw tobacco materials such as proteins, amino acids, pectins, lignin and cellulose in the reconstituted tobacco can be selectively reduced so as to reduce the number of injurious components released when the reconstituted tobacco is combusted, a large amount of zymoprotein is not left in a finished reconstituted tobacco product, and meanwhile tobacco macromolecule substances are degraded through enzymes or are separated through flocculating agents.

The invention provides a method for smelting and separating uranium, thorium and rare earth from residual slag of processed monazite. The residual slag of processed monazite is used as the raw material. The method comprises the following steps of performing hydrochloric acid complete dissolving, performing dissolving liquid aging, performing liquid-solid separation, extracting uranium by an amineextraction agent and performing extracting and enriching, extracting thorium from an acidic phosphorus-containing extraction agent and performing wastewater treatment. A raffinate phase obtained afterthorium extraction is returned to a monazite hydrochloric acid optimum solubilizing procedure to recover a rare earth chloride mixture, after extraction and separation, a single uranium product and athorium product are obtained through precipitation, and the recovery rate of resources such as uranium, thorium and rare earth is greater than 95%; and most of process water in the production processis directly returned to a system for cyclic utilization, a small amount of wastewater is recycled back to the system after comprehensive treatment, and zero drainage of the wastewater is realized. Bythe adoption of the technical scheme, the flow is simple and flexible, and large-scale production is achieved easily; the chemical material consumption is low, valuable resources such as rare earth,uranium and thorium can be efficiently recovered, and the resource recovery rate is increased; and the comprehensive treatment and environmental-friendly, efficient and clean production of the monazite resources are guaranteed.

The invention relates to the field of chemical separation and bioengineering mechanical equipment, in particular to a subcritical fluid continuous isobaric extraction and separation device system and extraction and separation process, the device system consists of a subcritical fluid medium source, a pressurized subsystem, and a continuous extraction subsystem 1. The separation subsystem and the pressurization circulation subsystem are composed of the same step-by-step pressurization or step-by-step extraction stages of the continuous extraction subsystem. Applying the extraction and separation process implemented by this device system, through the systematic process operation, the extracted subcritical fluid or supercritical fluid in the silo after the extraction is completed enters the corresponding separation subsystem to start separation, and the discharge valve is opened periodically, Unload the extract separated by the separation subsystem. The technology device of the invention has high degree of automation, reliable operation, reasonable process flow of the device system, and realizes sub-extraction separation such as continuous subcritical fluid, energy saving and zero emission, excellent manufacturability, and excellent separation effect.

The invention relates to a method on improving the porcelain clay viscosity. In proportion, it comprises China clay 100, intercalation urea 3-9, water content of China Clay within 1-5%, mixing them for 5-15 minutes to get the mixed sample, sending the mixed sample into the sealed container, then the baker in 65-105deg.C for 2-6 hours to get the compound, breaking the compound in the speed of 1kg / 1h and mixing the compound with the broken agent for 5-10 minutes to get the final product. Using this method, it can improve the viscosity of the China Clay from around 68% to 72%-73. 8%.

The invention discloses a method for preparing desulfurizer capable of absorbing catalytic cracking gasoline at high selection, wherein catalyst is formed by loading the active components, such as nickel, cobalt and copper, on alkaline-metal modified silicon-aluminum composite carrier. The method for preparing the catalyst comprises two processes: the first process is to prepare the soluble precursor of each component and complexing agent as colloidal sol, dry, roast, form and process through hot water to obtain the catalyst; and the second process is to adopt the sol-gel method to prepare analkaline composite oxide carrier, then adopt a soaking method to introduce the first active component Ni and one of the second active components Co, Cu and Sn, finally process through the hot water to obtain the catalyst. The method has simple process, the large specific surface area of the catalyst is large, and the activity is stable. The method has advantages of high desulfurizing depth, good selection and little loss of octane value, so the method can be suitably applied to the desulfurization process of the catalytic cracking gasoline.

The invention provides a process method for smelting and separating uranium, thorium and rare earth from monazite concentrate. The process method comprises the following steps that the monazite concentrate is used as a raw material, the steps of crushing by wet ball mill and iron removal by magnetic separation, alkali decomposition transformation, preparation of trisodium phosphate product, alkalicake adding hydrochloric acid for solubilization, preparation of rare earth chloride mixture product, adding hydrochloric acid to optimal solution slag for full dissolution, extraction of uranium byamines and preparation of uranium products, extraction of thorium by acidic phosphorus containing compounds and preparation of crude thorium products and wastewater treatment are adopted, and the recovery rate of valuable resources such as uranium, thorium, rare earth is greater than 95%. After the thorium is extracted, the raffinate water phase is returned to the optimal solution to recover the rare earth chloride mixture, most of the production process water is directly returned and recycled, and a small part of wastewater is returned to the system for utilization after comprehensive treatment, so that zero discharge of the wastewater is realized. The process is reliable, the chemical materials are common, and the consumption is low. The use of solitary stone resources is ensured for green, environmental protection, efficient and clean production, and the process method has obvious social benefits and economic benefits.

The invention discloses a ceramic flat membrane supporting body and a production method thereof. The ceramic flat membrane supporting body is formed by two layers of flat membranes, the left lateral wall, the right lateral wall and at least a supporting column; the two layers of flat membranes, the left lateral wall and the right lateral wall form into a flat-pipe-shaped structure; the supporting column is arranged between the two layers of flat membranes; the flat membranes which are in asymmetric structures comprise surface layers of sponge hole structures and internal layers of finger-shaped hole structures; separation selectivity, permeation flux and mechanical strength of the flat membranes are high. The production method of the ceramic flat membrane supporting body comprises preparing slurry, producing dies through a phase inversion method, forming through a die pressing method and sintering. The production technology is easy and flexible, the costs are low, the dies are cheap, the replacing is convenient, a plurality of assemblies in different sizes can be formed at one time, and the production efficiency is high.

The invention provides a method for manufacturing a grating micro-lens array through strain modulation self-assembly, and a product. The method comprises: copying a negative micro-lens array mold froma positive micro-lens array mother set by utilizing a PDMS; carrying out uniaxial pre-stretching on the negative micro-lens array mold; forming a silicon dioxide-like hard film on the surface of thePDMS negative micro lens array subjected to pre-stretching treatment; and after the pre-stretching of the negative micro-lens array is relieved, forming a grating microstructure on the surface of thenegative micro-lens array then, and obtaining the self-assembled negative focal length GMA. And the prepared negative focal length GMA is used as a mold for copying, so that the positive focal lengthGMA can be prepared. The method has the advantages of simple steps, no need of complex equipment and low cost; and, compared with manufacturing of a traditional grating / micro lens array, the method has the advantages of being simple and flexible in technological process, short in manufacturing time and low in cost, and is advantageous in that the negative focal length GMA and the positive focal length GMA can be manufactured by copying different mother set micro lens arrays according to different requirements in the manufacturing process.

The invention provides a high-damping carbon nanotube / aluminum alloy composite material. The carbon nanotubes are uniformly distributed in an aluminum alloy matrix, the outer surface of the carbon nanotubes is coated with a diffusion layer, the diffusion layer extends from the outer surface of the carbon nanotubes to the aluminum alloy matrix; the diffusion layer has a microstructure different from the aluminum alloy matrix, and a micro surface is formed between the diffusion layer and the aluminum alloy matrix; and the damping factor of the high-damping carbon nanotube / aluminum alloy composite material is 0.005-0.0011. According to the high-damping carbon nanotube / aluminum alloy composite material prepared by the invention, because the diffusion layer is formed outside the carbon nanotubes, the interfacial potential between the carbon nanotubes and the alloy matrix can be obviously reduced, and interface bonding is coordinated and intensified. Therefore, the prepared composite material has ideal plasticity and damping properties, and the like.

The invention provides a method and a device for producing a winding element from a supplied wire, in particular from a round copper wire, said method and device allowing the economical and flexible production of a winding element which, when subsequently used in the field of electrical engineering as a coil or inductor fitted in a stator, ensures the highest possible groove filling factor. For this purpose, the wire is wound to a three-dimensional shape and the cross section of the wire is changed simultaneously, as a result of which separate method steps and therefore tool arrangements for three-dimensional winding of the wire as well as the change of the cross-section of the wire can advantageously be dispensed with.

The invention relates to the field of chemical separation and bioengineering mechanical devices, and especially relates to a subcritical fluid continuous constant-pressure extraction and separation device system, and an extraction and separation technology thereof. The device system comprises a subcritical fluid medium source, a pressurization subsystem, a continuous extraction subsystem, a separation subsystem having the same step-by-step extraction or extraction stage number with the continuous extraction subsystem, and a pressurized circulation subsystem. The extraction and separation technology enforced by applying the extraction and separation system is operated to make a subcritical fluid or supercritical fluid in a bunker enter the corresponding separation subsystem after the completion of extraction in order to separate, and a discharge valve is periodically opened to discharge the extract separated by the separation subsystem. The device system and the technology have the advantages of high automation degree and reliable running of a device, reasonable process flow, realization of subcritical fluid continuous constant-pressure extraction and separation, energy saving, zeroemission, excellent processability and excellent separation effect.

The invention relates to the technical field of preparation of a solid oxide fuel cell and specifically relates to a simple preparation method for an anode support of the solid oxide fuel cell. The method comprises the following steps: 1) preparing a sizing agent: ball-milling and mixing NiO and YSZ at a weight ratio of 1:1, graphite powder and an organic additive for 3-4h, thereby forming a suspending sizing agent, wherein the organic additive includes polyvinyl butyral, triethanolamine, polyethylene glycol, di-n-octyl phthalate and absolute ethyl alcohol and the weight percent ratio of NiO to YSZ to graphite powder to polyvinyl butyral to triethanolamine to polyethylene glycol to di-n-octyl phthalate to absolute ethyl alcohol is (16-18%):(16-18%):(2-4%):(5-8%):(1.5-2%):(3-4%):(3-4%):(45-47%); 2) molding by adopting a scraper: pouring the anode sizing agent onto a glass plate, using the scraper for uniformly and smoothly filling the sizing agent into a glass carrier area between the adhesive tapes and molding; and 3) sintering under a high temperature. The method has the advantages of fast molding, simple and convenient operation, capability of realizing small scale production, and the like.

The invention relates to a method of manufacturing reconstituted tobacco through a high-quality functional paper-making process. The method of manufacturing the reconstituted tobacco through the high-quality functional paper-making process is characterized by comprising the following steps: a. waste tobacco materials are extracted after being fully infiltrated in hot water, the mixture of each waste tobacco material and water enters a slurry-squeezing machine to be squeezed into slurry, and solid and liquid are separated; b. crude extract liquid enters a concentrating system and is concentrated after passing through a straight-line vibration screen and a horizontal screw decanter centrifuge, and solid-liquid separation is conducted on the crude extract liquid; c. after the slurry is squeezed through the slurry-squeezing machine, the mixture of waste tobacco materials and water enters a crude extract tobacco slurry pool, and biological enzyme processing is conducted on the tobacco slurry after compound proteases and lignin enzymes are added to the crude extract slurry pool or follow-up slurry pools. According to the method of manufacturing the reconstituted tobacco through the high-quality functional paper-making process, the content of injurious components in raw tobacco materials such as proteins, amino acids, pectins, lignin and cellulose in the reconstituted tobacco can be selectively reduced so as to reduce the number of injurious components released when the reconstituted tobacco is combusted, a large amount of zymoprotein is not left in a finished reconstituted tobacco product, and meanwhile tobacco macromolecule substances are degraded through enzymes or are separated through flocculating agents.

The invention belongs to the technical field of mineral processing engineering and relates to a step-by-step desiliconizing and upgrading method for high-aluminum and high-silicon bauxite. The method comprises the steps that firstly, the high-aluminum and high-silicon bauxite is subjected to rough grinding, slurry mixing is conducted, a spiral chute is adopted to conduct the first step of desiliconizing, and coarse grain bauxite concentrate ores are obtained through roughing and concentrating; secondly, middlings in the first step are combined and reground, slurry mixing is conducted, the second step of desiliconizing is conducted through a hydraulic cyclone and the spiral chute in sequence, specifically, desliming is conducted through the hydraulic cyclone firstly, settled sand of slime is subjected to roughing and concentrating through the spiral chute, and medium grain bauxite concentrate ores are obtained; and thirdly, the middlings and tailings obtained in the first and second steps are combined and subjected to floatation desiliconizing, fine grain bauxite concentrate ores are obtained through a closed floatation process. By means of the step-by-step desiliconizing and upgrading method that the coarse grain ores are enriched in the spiral chute after rough grinding, after the middlings are reground, the medium grain ores are enriched in the hydraulic cyclone united with the spiral chute, and tailing fine slime flotation is conducted to enrich the fine grain ores, the bauxite concentrate ores of different grain grades are obtained by stages, so that the step-by-step desiliconizing and upgrading method has the advantages that drug consumption is low, the recovery rate is high, and desiliconizing is thorough.

The invention relates to C07C, in particular to a synthetic method of a polycyclic norbornene derivative. Comprising the following steps: heating dicyclopentadiene and cycloolefin to 190-260 DEG C in a reaction kettle under the protection of protective gas, carrying out heat preservation reaction for 1-5 hours, and then separating to obtain a light component, an intermediate component and a heavy component, and the intermediate component is a polycyclic norbornene derivative. The invention provides a preparation method of a polycyclic norbornene derivative. The polycyclic norbornene derivative can be used for preparing a high polymer material through a ring-opening metathesis reaction. The polycyclic norbornene derivative can be used for preparing a high-performance high polymer material which has excellent optical properties and moisture resistance and also has excellent chemical resistance of polyolefin and transparency and molding processability of amorphous resin.

The invention discloses a preparation process of a positioning channeling blocking agent, and relates to the technical field of oil field development. The preparation process comprises the following steps: mixing ethanol, ethyl acetate, sodium lauryl sulfate, alkyl phenol polyoxyethylene (10) ether, ammonium persulfate, oxalic acid, furfuryl mercaptan, tripolycyanamide, formaldehyde, acrylonitrile and 2,6-toluene diisocyanate for reaction to obtain ammonium persulfate microcapsules; sequentially adding phenol and caustic soda into formaldehyde for reaction to generate phenolic resin; adding the ammonium persulfate microcapsules and the phenolic resin into a mixed solution of liquid acrylamide and tap water, and carrying out reaction at an ambient temperature of 80 DEG C to generate the positioning channeling blocking agent. The preparation process is simple, convenient, safe, and low in risk; by the preparation process, pollution of a plugging agent to a low-permeability layer can be reduced, movement of a gelatinized plugging agent in a stratum is avoided, and the plugging strength is ensured.

The invention provides a process method for smelting and separating uranium, thorium and rare earth from monazite concentrate, using monazite concentrate as raw material, adopting wet bead mill crushing, magnetic separation to remove iron, alkali decomposition transformation, trisodium phosphate Product preparation, alkali cake plus hydrochloric acid excellent solution, rare earth chloride mixture product preparation, high-quality molten slag plus hydrochloric acid full solution, amine extraction and extraction of uranium and uranium product preparation, acidic phosphorus-containing extraction of thorium and crude thorium product preparation, waste water Treatment and other steps make the recovery rate of uranium, thorium, rare earth and other valuable resources greater than 95%. After extracting thorium, the raffinate water phase is returned to the excellent solution to recover the rare earth chloride mixture. Most of the production process water is directly returned for recycling, and a small part of the wastewater is returned to the system for utilization after comprehensive treatment to achieve zero discharge of wastewater. The invention has reliable process technology, common chemical materials and low consumption. Guaranteeing the use of monazite resources in a green, efficient and clean production has obvious social and economic benefits.