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170results about How to "Suitable for large-scale industrial production applications" patented technology

Pre-crosslinking swellable profile control agent, preparation method and application

The invention discloses a pre-crosslinking swellable profile control agent, a preparation method and application, and belongs to the technical field of oilfield chemistry. The pre-crosslinking swellable profile control agent is prepared from, by mass, 20-40 parts of mixed monomers, 0.01-0.05 part of a cross-linking agent, 3-8 parts of a reinforcing agent and 0.01-0.04 part of an initiating agent. The mixed monomers are prepared from acrylamide, acrylic acid and 2-acrylamido-2-methyl propanesulfonic acid in the mass ratio of (1.5-2.2):(1.5-2.5):(7.5-8.5). The reinforcing agent is sodium bentonite. The profile control agent has the advantages that the water swelling rate is high, and thus the requirement for effective plugging of large water channeling pore passages can be met; 2, the water swelling speed is low, and thus the requirement for stratum deep injection can be met; 3, the profile control agent has high strength and flexibility after water swelling; 4, the profile control agent is good in temperature resistance and salt resistance, and capable of effectively plugging channeling passages in polymer flooding-to-water flooding oil deposits, improving water injection profiles, making subsequently-injected water turn in the deep, increasing the swept volume and improving the subsequent water flooding efficiency.
Owner:CHINA PETROLEUM & CHEM CORP +1

Design method of dash device for hard aluminum alloy semi-continuous casting

ActiveCN101259524AReduce casting internal stressCrack suppressionInternal stressWater block
The invention provides a design method of a water blocking device for semi-continuous casting of hard aluminum alloy, the water blocking device comprises a water baffle plate body and springs, a divided structure is adopted in the water baffle plate body, all the parts are connected by the springs, the whole water blocking device is suspended under a crystallizer by a hinge or is directly supported on a casting platform, the part of the water baffle plate body which is contacted with the surface of a cast ingot is provided with a polymer material, and the working surface of the water baffle plate body is perpendicular with the surface of the cast ingot or forms a certain angle with the surface of the cast ingot. When in application, the outer surface of the cast ingot is tightly clamped at the same time of not obstructing the casting process, the secondary cooling water of the semi-continuous casting is blocked and shunted at the position of the water baffle plate, the cast ingot only receives part of the water cooling between the crystallizer and the water baffle plate, the lower part of the water baffle plate is carried out the natural air cooling; the cast ingot is repeatedly heated by a high temperature melt of the core part of the cast ingot, thus realizing the self-tempering effect of the cast ingot, effectively reducing the casting internal stress, preventing the cracks of the cast ingot and being applicable to the application of large-scale industrial production.
Owner:CHINALCO MATERIALS APPL RES INST CO LTD

Malt caramel-like aroma spice suitable for cigarette products and application of malt caramel-like aroma spice to tobacco products

ActiveCN106165906AChange the production processStrengthen the style characteristics of Chinese cigarettesTobacco preparationTobacco treatmentWaxCyclopentenone
The invention belongs to the technical field of cigarette spices, and particularly relates to a malt caramel-like aroma spice and an application of the malt caramel-like aroma spice to tobacco products. The spice is prepared from caramel malt serving as a raw material, and a preparing method of the spice includes the following steps of a, raw material pretreating; b, ethyl alcohol extracting; c, freezing dewaxing; d, membrane separating. A pyrazine compound, a furan compound, a furanone compound, a pyrone compound, a cyclopentenone compound and the like are rich in the malt caramel-like aroma spice, the joyful caramel-like aroma smell can be given to cigarettes, and the Chinese-style cigarette style characteristic is intensified. According to the spice, the caramel-like aroma ingredients in caramel malt are purposefully extracted, separated and enriched, and ingredients such as vegetable wax, protein and starch which are contained in malt extract and have the side effects on sense organs of tobacco products are effectively removed. The preparing technology is simple and easy to operate, the cost of the raw material is low, the production process is economic and environmentally friendly, and the malt caramel-like aroma spice is suitable for large-scale industrial production application. The application of the spice to cigarettes cannot change the original processing technology of cigarettes.
Owner:ZHENGZHOU TOBACCO RES INST OF CNTC

Foam double-sided tape and preparation method and application thereof

The invention provides a foam double-sided tape and a preparation method and application thereof. The foam double-sided tape comprises a base material and a pressure sensitive adhesive layer compounded at two sides of the base material. The base material is a stretchable foam layer with at least a stretchable film compounded at one side thereof. Elongation at break of the stretchable film is greater than 300%, and tensile strength is greater than 10 MPa; elongation at break of the stretchable foam layer is greater than 300%, and tensile strength is greater than 1 MPa. Elongation at break of the pressure sensitive adhesive layer is 150-3000%, tensile strength is 1MPa-30MPa, and 180-degree peel strength is greater than 5N/25mm. By the adoption of the functional layer with specific performance parameters, good interaction is realized under a specific structure, and the foam double-sided tape has excellent adhesion, excellent resistance to curved surface and warp, good buffer performance and excellent shear resistance, has high adhesion and die cutting performance to various surfaces of glass, PC, stainless steel, ABS, etc., can be removed tracelessly from various surfaces by simply stretching the whole tape, and is applicable to bonding and assembling of components of electronic products.
Owner:安徽屹珹新材料科技有限公司

High-capacity high-nickel positive electrode material and preparation method thereof

The invention discloses a high-capacity high-nickel positive electrode material and a preparation method thereof. The high-capacity high-nickel positive electrode material is formed by a matrix and acoating layer, the matrix is prepared from a high-nickel precursor, a lithium-containing compound and an M-containing modified additive, and the high-nickel precursor is selected from one or more of nickel-cobalt-manganese oxide, hydroxide and carbonate. The coating layer is composed of a coating agent, the coating agent is a metal compound and/or a non-metal compound, and M is selected from one or more of metal elements and/or non-metal elements. The preparation method comprises the following steps: mixing a high-nickel precursor, a lithium-containing compound and an M-containing modified additive; carrying out primary sintering and post-treatment to obtain a high-nickel positive electrode material matrix; mixing the high-nickel positive electrode material matrix with a coating agent; andcarrying out secondary sintering and post-treatment to obtain the high-nickel positive electrode material. The high-capacity high-nickel positive electrode material is prepared by a primary doping and secondary coating method, is stable in lattice structure, and has the advantages of high specific capacity and good cycle performance.
Owner:TIANJIN GUOAN MGL NEW MATERIALS TECH CO LTD

Lithium ion battery composite separation membrane and preparation method thereof

The present invention discloses a lithium ion battery composite separation membrane and a preparation method thereof, and belongs to the technical field of lithium ion batteries, wherein at least a surface of a polyolefin separation membrane is coated with a modified natural rubber polymer coating. According to the invention, the polyolefin separation membrane and the modified natural rubber are combined to form the composite separation membrane, such that mechanical properties of the natural rubber can be improved, and the original pore closing characteristic of the polyolefin separation membrane can be maintained and utilized so as to improve safety of the battery, enhance bonding force between the separation membrane and the positive electrode and bonding force between the separation membrane and the negative electrode, eliminate the interface effect, and improve cycle stability of the battery; and the inorganic nanoparticles are added to the modified natural rubber latex, such that the crystallinity of the polymer can be reduced to a certain extent, the mechanical strength of the separation membrane and the carrier concentration can be increased, the interface compatibility between the separation membrane and the lithium electrode can be effectively improved, and the interface is stable.
Owner:HENAN NORMAL UNIV

Lithium titanate negative electrode plate and preparation method thereof

The invention discloses a lithium titanate negative electrode plate, which comprises a negative current collector and a negative material, wherein the negative material coats the surface of the negative current collector. The lithium titanate negative electrode plate is characterized in that the negative current collector is a carbon-coated aluminum foil; the negative material is prepared from the following components in mass percentage: 2%-7% of a conductive agent, 3%-8% of a binder and 87%-94% of lithium titanate; the sum of the mass percentages of the components is 100%; and the compaction density of the negative material is 2-2.3 g / cm<3>. According to the lithium titanate negative electrode plate disclosed by the invention, with the carbon-coated aluminum foil as the negative current collector, the problem of poor processability of a lithium titanate material is solved; the overall performance of a battery is significantly improved; the formula of the negative material is optimized and modified; the coating performance is good; and the overall performance of the battery is ensured. The invention further discloses a preparation method of the lithium titanate negative electrode plate. The preparation method is simple in process step, high in operability and applicable to large-scale industrial production and application.
Owner:WANXIANG 123 CO LTD

Spray-coating device and method for restraining secondary electron yield of solid dielectric material

The invention relates to a spray-coating device and a spray-coating method for restraining secondary electron yield of a solid dielectric material and belongs to the technical field of plasma. The spray-coating method comprises the following steps of: washing and drying a to-be-treated sample; building the spray-coating device for restraining the secondary electron yield of the solid dielectric material; carrying out an atmospheric plasma torch spray-coating experience; and carrying out a secondary electron yield test and material surface physical shape observation. According to the spray-coating device and the spray-coating method provided by the invention, by utilizing plasma torches generated by an atmospheric plasma spray gun, a reaction precursor reacts to generate a Ti-containing group and an N-containing group; a compact and uniform TiN film is deposited on the surface of a dielectric; specifically, a gas-carrying precursor has decomposition and polymerization reaction; polymerization, grafting and crosslinking effects are realized on the surface of the dielectric so that the deposited film forms a 'micro-trap' structure, the surface roughness is reduced, the secondary electron yield of the solid dielectric is restrained, and the surface insulation property of the dielectric is improved.
Owner:INST OF ELECTRICAL ENG CHINESE ACAD OF SCI

Automatic material distributing mechanism and material distributing method thereof

The invention relates to the technical field of automatic manufacturing devices and manufacturing methods, in particular to an automatic material distributing mechanism. The automatic material distributing mechanism comprises a supporting bracket, a feeding block fixedly arranged on the supporting bracket, a correcting mechanism and a material pressing mechanism, wherein at least two feed openings are formed in the top part of the feeding block; feeding tracks communicated with the feed openings are formed in the feeding block; a sliding groove is formed in the bottom part of the feeding block; a sliding block is arranged at the lower part of the feeding block, and is movably clamped on the sliding groove; at least four through holes are formed in the sliding block; the sliding block is driven by a first air cylinder; discharging tracks communicated with the through holes are formed in the lower part of the sliding block; a discharging block is arranged below the feeding tracks, and is driven by a second air cylinder. The invention further discloses a method for material distribution by adopting the automatic material distributing mechanism. Compared with the prior art, the automatic material distributing mechanism supplies fixed mounting parts for products required to be fixed by multiple holes, can convey multiple parts at a time, improves the production efficiency, and is high in automatic degree, simple in structure and convenient to operate.
Owner:DONG GUAN TAISOL ELECTRONICS CO LTD

Steam generator

The invention relates to the technical field of evaporating equipment, in particular to a steam generator. The steam generator comprises a hollow electromagnetic heating cylinder body and a heat preservation and insulation layer arranged on the outer wall of the electromagnetic heating cylinder body; an electromagnetic heating induction coil is wound on the heat preservation and insulation layer; the inner wall of the electromagnetic heating cylinder body is provided with steam heat pipes; a one-stage water storage container is arranged in the heating cylinder body; a water inlet is formed in the bottom part of the one-stage water storage container; a one-stage preheating water outlet is formed in the upper part of the one-stage water storage container; a two-stage water storage container is arranged between the heating cylinder body and the one-stage water storage container; the one-stage water storage container is sheathed in the two-stage water storage container; a second preheating water outlet is formed in the lower part of the two-stage water storage container; a water level probe is arranged in the two-stage water storage container. Compared with the prior art, the steam generator disclosed by the invention has the advantages that the heating rate is high, the efficiency is high, and energy is saved for 60-70 percent due to the fact that electromagnetic energy is used for heating; generated steam temperature, quantity of steam and water content can be conveniently regulated; the environment is protected; the cost is reduced; the steam generator is suitable for large-scale industrial production.
Owner:吴凯锋 +1

WIFI hotspot connection control method and system and mobile terminal

The invention discloses a WIFI hotspot connection control method and system and a mobile terminal. The method comprises the following steps: adding a field value indicating how long a connected WIFI hotspot has been used to the configuration information of the connected WIFI hotspot and increasing the field value by 1 every time the WIFI hotspot is connected to be used for another hour; when the mobile terminal enters a range where a plurality of WIFI hotspots can be automatically connected, reading the configuration information of all connectable hotspots; obtaining the service time of all the connectable hotspots and comparing the service time; and preferably connecting the mobile terminal to the WIFI hotspot long in service time. According to the WIFI hotspot connection control method, the field indicating how long the hotspot has been used is added to the configuration information of the WIFI hotspot, and the hotspot to which the mobile terminal is preferably connected is decided by use of the service time; as a result, the problems that a hotspot to which a user wants to connect cannot be connected automatically and automatic connection occurs when a user re-enters the hotspot range after an invalid hotspot is connected once can be avoided, and the use experience of the user can be enhanced.
Owner:GUANGDONG OPPO MOBILE TELECOMM CORP LTD

Method for extracting oil and protein in silybum marianum kernels by subcritical fluid

The invention relates to a method for extracting oil and protein in silybum marianum kernels by subcritical fluid. The method is characterized by comprising the following steps: (1) screening dried silybum marianum kernels, removing impurities, and peeling hulls by virtue of a peeling machine to obtain silybum marianum kernels; (2) rolling or extruding and grinding the silybum marianum kernels; (3) putting the ground silybum marianum kernels and an extraction solvent into a subcritical fluid extraction kettle for continuous extraction to obtain extracting liquid; (4) gasifying the extracting solvent by means of pressure reduction and temperature increase in an evaporation system to separate the extracting solvent from the extracting liquid so as to obtain silybum marianum kernel oil; (5) keeping the solid in the extraction kettle as the silybum marianum protein. Compared with supercritical extraction, the method has the advantages of low equipment investment and low production state stress, and is suitable for industrial large-scale production. Compared with a traditional process for preparing oil and protein, the method has the advantages of simple process flow, high yield, good quality of oil and protein, environmental friendliness and no pollution.
Owner:吴长军
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