60results about How to "Full process" patented technology

The present invention relates to outer wall paint, and is especially one kind of high performance nanometer outer wall paint and its preparation process. The nanometer outer wall paint has introduced organosilicon and fluoro resin to result in watertight coating with high permeation resistance and breathing function, water-thinned resin, nanometer titania particle, dispersing assistant and other assistants to make the paint possess well dispersed nanometer titania particle and excellent photocatalytic self-cleaning function.

A method and system is provided for printing jobs received from enterprise customers through a global printing network. One aspect relates to an architecture that interfaces customers, communication service firms (CSFs), and downstream digital print service providers (PSPs) in a global communications network. Such an architecture permits last-mile production functions that allow the distribution of print jobs to be optimized, containing costs, maintaining quality, and performing billing functions that improve the quality of such networks and make a global print network feasible. As a result, Enterprise customers benefit from lower costs and global sourcing while print service providers and graphics service firms benefit from increased revenue due to increased utilization of the overall global network.7

A preparation method of a catalytic cracking catalyst comprises the following steps: mixing a molecular sieve and gas containing gas-phase SiCl4 to form a mixture flow, allowing the molecular sieve and the gas-phase SiCl4 to contact at 250-700 DEG C for 10 seconds to 100 minutes, mixing the molecular sieve obtained after contacting with the gas-phase SiCl4 with a binder, clay and water, performing beating and granulation to obtain the catalytic cracking catalyst. The preparation method of the catalyst provided by the invention can realize the continuous proceeding of the contact reaction of the molecular sieve and SiCl4; by the uniform mixing of the molecular sieve and the gas containing gas-phase SiCl4, the silicon supplementing reaction is ensured to be performed uniformly and fully; therefore the prepared molecular sieve has a high crystallization degree, more stable quality, and better performance; by controlling the different contact temperatures of the molecular sieve and SiCl4, different reaction conditions and reaction degrees can be controlled; therefore molecular sieve products with different dealuminization degrees can be obtained, and the catalytic cracking catalyst can be obtained.

The invention relates to a method for preparing mesoporous gamma-Al2O3 by a dynamic hydrothermal method, belonging to the field of preparation of inorganic porous materials. The invention aims to solve the problems that in the prior art, reaction steps are multiple, experimental conditions are difficult to control, products are incompletely crystallized, the reaction time is too long, and a static reaction does not facilitate full contact among reaction materials. The method comprises the following steps of: adding inorganic aluminum salt and a precipitating agent into surfactant solution respectively, and uniformly mixing the inorganic aluminum salt with the precipitating agent; continuously stirring the mixed solution, and performing hydrothermal treatment; and washing and calcinating obtained products after finishing the reaction, and thus obtaining the mesoporous gamma-Al2O3. The method has the advantages that: the reaction is performed more fully, the formation of alumina precursors can be simply controlled, the formation of mesoporous alumina can be effectively controlled, the crystallization time is shortened to be less than 24 hours, the preparation period is short, and the method is suitable for large-scale continuous production.

Persimmon wine and a brewing method belong to the technical field of brewing science and engineering. The invention aims to solve the technical problem of providing the persimmon wine keeping the original flavor of persimmons and a brewing method of the persimmon wine. The process is as follows: 1. selecting fruit; 2. breaking and sterilizing; 3. adding yeast and primarily fermenting for 1d; 4. juicing and separating pomace; 5. adding sugar and secondarily fermenting; 6. filtering residue and can sealing; 7. clarifying with pectinase and filtering; and 8.cryotreating and canning. The persimmon wine is characterized in that the persimmon wine is faint yellow, clear and transparent and has pure, fine, refreshing and harmonious aroma. The invention has the following advantages: 1. full persimmons are extracted and the juice is used for fermentation, without adding water; and 2. pectinase is not added in the processes of juice extraction and fruit wine brewing, and astringency removal process is omitted. The invention plays important roles in promoting reasonable processing and utilization of the persimmon resources, forming the post-harvest processing industrial chain and adjusting the fruit processing industrial structure.

The invention relates to a method for a catalytic cracking catalyst, which comprises the following steps: a molecular sieve and gas containing gas phase SiCl4 to form mixed flow, the gas containing gas phase SiCl4 is gas phase SiC4 or a mixed gas of gas phase SiCl4 and inert carrier gas, the molecular sieve in the mixed flow flows with gas, and is contacted with gas phase SiCl4 under a flowing state, wherein the contact time of the molecular sieve and the gas phase SiCl4 is 10 seconds to 100 minutes, then the obtained reactant is contacted with mixed with the molecular sieve contacted with gas phase SiCl4, a binder, clay and water, and granulated to obtain the catalytic cracking catalyst. The preparation method has the advantages that the continuous contact reaction of the molecular sieveand SiCl4 can be realized, the contact time of the molecular sieve and SiCl4 can be controlled by controlling the velocity of the mixed gas and the length of a tubular reactor, so that the contact reaction of the molecular sieve and SiCl4 can be fully carried out in the tubular reactor.

The invention relates to a device and a method for preparing ammonia by hydrolyzing urea for flue gas denitrification of a thermal power plant. A urea solution with the mass concentration of 40-60% is hydrolyzed into ammonia gas by utilizing a kettle reactor, and then the ammonia gas is fed into a SCR (Selective Catalytic Reduction) device of a power station boiler to be used as a denitrification reducing agent; water, electricity and steam required by operation of the whole hydrolysis device are all provided by the power station boiler, and the steam exchanges heat in the hydrolysis reactor and a urea dissolving tank through a coil pipe, is not in contact with the urea solution, and returns to the power station boiler to be heated to form circulation after releasing heat; FeAl powder and Al2O3 mixed solid powder are adopted to prepare a hydrolysis catalyst, the hydrolysis catalyst is mixed with the urea solution to form a turbid liquid, and meanwhile, a reaction solution is fed into the feeding urea solution through a circulating pump to form circulating flow of the reaction solution, so that uniform distribution of catalyst particles is promoted, and the hydrolysis reaction rate is increased.

The invention discloses a method for preparing an in-situ generated aluminum matrix composite based on an electroslag remelting process, belonging to the technical field of a metal matrix composite. The method comprises the following steps: pouring pure aluminum and aluminum alloy into consumable electrode bars, placing in an electroslag furnace, mixing with a slag-making agent consisting of basic slagcharge, potassium fluotitanate and potassium fluoborate, remelting electroslag, and cooling to obtain the in-situ generated aluminum matrix composite after reaction. The method adopts the basic slagcharge, potassium fluotitanate and potassium fluoborate as the slag-making agent, and the melted pure aluminum and aluminum alloy are in full contact with mixed fluoride to react to generate TiB2 particles through a melted slag pool; and the generated liquid slag is totally separated from aluminum melt as the wettability of the TiB2 particles to aluminum liquid is better than that of the slag-making agent, and the good-quality aluminum matrix composite can be obtained by cooling after the whole reaction is finished.

The invention relates to a hydrophobic and light-operated antibacterial waterborne polyurethane composite emulsion and a preparation method and application thereof. The method comprises the following steps: adding Zn(NO3)2.6H2O and 2-methylimidazole into a g-C3N4 solution, stirring at room temperature to obtain an emulsion, centrifugally separating, washing, and dispersing with water to obtain a dispersion liquid; carrying out heat preservation on polycaprolactone and 2, 2-dimethylolbutanoic acid in a closed state to obtain a reaction solution A, heating to 70-80 DEG C, adding isophorone diisocyanate and dibutyltin dilaurate, carrying out a reaction to obtain a reaction solution B, adding hydroxyl-terminated fluorine-containing polysiloxane, carrying out a reaction for 3-4 hours to obtain a reaction solution C, adding acetone, cooling to 40-60 DEG C, adding 1, 4-butanediol, carrying out heat preservation for 0.5-1 hour to obtain a reaction solution D, finally, adding triethylamine, preserving heat for 0.5-1 hour, and emulsifying with deionized water to obtain an FSiPU composite emulsion; and 2, uniformly mixing the dispersion liquid with the composite emulsion to obtain the hydrophobic and light-operated antibacterial waterborne polyurethane composite emulsion.

The invention belongs to the technical field of lithium ion batteries, and particularly relates to a lithium supplement agent and a preparation method and application thereof. According to the preparation method, a segmented calcination mode is utilized, lithium hydroxide is decomposed into lithium oxide at a relatively low temperature, meanwhile, the lithium oxide can be combined with a nickel source in the decomposition process, and then the material is placed in a high-temperature environment to be continuously calcined, so that the required material is obtained. The method has the advantages that the requirement for mixing equipment is reduced, atmosphere protection is not needed, and the segmented calcination process is utilized, so that the particle size of the material can be effectively improved, the activity of the material is effectively reduced, and the material can exist in the air more stably. Meanwhile, residual alkali on the surface of the material is reduced due to long reaction time. A charge-discharge test on the material shows that the material has relatively high charge capacity and relatively low discharge capacity; and the material is relatively poor in lithium ion accepting capacity, can effectively provide lithium ions for a positive electrode material, and is suitable for being used as a lithium supplement additive.

The invention belongs to the technical field of soil amendments, and discloses a charcoal-based microbial soil amendment and a preparation method thereof. The charcoal-based microbial soil amendment comprises, by mass, 15-20 parts of charcoal, 3-5 parts of humic acid, 2-4 parts of a microbial agent, and 5-8 parts of an organic fertilizer. The microbial agent is prepared from the following components in parts by mass: 3 to 4 parts of photosynthetic bacteria, 2 to 4 parts of bacillus pumilus, 2 to 3 parts of bacillus cereus and 1 to 2 parts of bacillus subtilis. According to the invention, the firewood and the corn straw are used for preparing the biomass charcoal, so the obtained biomass charcoal can effectively improve soil and regulate nutrients in the soil, and improvement effect on the soil is improved by modifying the biomass charcoal; and the organic fertilizer is added into the soil conditioner, so soil fertility can be improved while soil improvement is realized, and soil improvement effect is enhanced.

The invention relates to the technical field of medicines, aims to solve the problem of low yield of medium-chain triglyceride, and provides a synthesis method of the medium-chain triglyceride; the synthesis method comprises the following steps: S1, fatty acid and glycerol are mixed according to the mass part ratio of 1: 1-1.5; and S2, the temperature is controlled to be 160-180 DEG C, and the catalyst is added, so that the fatty acid and the glycerol are subjected to an esterification reaction. The ratio of fatty acid to glycerol is controlled to be 1: 1-1.5, and meanwhile, the temperature ofthe esterification reaction is controlled to be 160-180 DEG C, so that the esterification reaction is fully carried out, the conversion rate of the esterification reaction is improved, and the yieldis further improved.

The invention discloses an automobile exhaust gas purifier. The automobile exhaust gas purifier comprises a purifier shell, the left side of the purifier shell is provided with a first gas inlet and a second gas inlet, a first filtration chamber, a first processing chamber, a second processing chamber, a third filtration chamber and a second filtration chamber are arranged in the purifier shell, a ventilation pipe is arranged at the upper end of the purifier shell and connected with a blower, a water tank is arranged above the right side of the interior of the purifier shell, a first heating plate is arranged in the first processing chamber, and a second heating plate is arranged in the second processing chamber. The automobile exhaust gas purifier has the technical advantages of being reasonable in structural design, good in exhaust gas purification effect, high in purification efficiency, and capable of selecting purification modes according to exhaust gas produced by different kinds of fuel.

The invention belongs to the field of medicine intermediates, and particularly relates to a preparation method of a Vildagliptin intermediate. The preparation method is characterized in that L-prolineand chloroacetyl chloride are used as raw materials to react; in the reaction process, the adding of other solvents is not needed, so that the introducing of other impurities is avoided, and the purity is improved; by adding an acid-binding agent, the hydrochloric acid produced in the reaction is timely neutralized, so that the reaction time is shortened; the yield rate is increased, the productis easy to purify, and the safety and reliability are realized. Compared with the prior art, the preparation method has the advantages that the adding of a large amount of solvent is not needed, the reaction can be performed at room temperature, the energy consumption is decreased, and the environment-friendly effect is realized.

The invention discloses a slack mercerization technology with low alkali concentration, and relates to the technical field of spinning. The slack mercerization technology with the low alkali concentration comprises processes as follows: open-width feeding, primary padding, negative-pressure piling in a J type box, secondary padding, tension roll drafting, expanding for alkali removal, freezing foralkali removal, flat washing and drying. The technology further comprises step that the negative-pressure piling in the J type box is performed for 5-7 min at the piling temperature of 25-30 DEG C and pressure of (-0.2)-(-0.3) MPa under the condition of caustic soda concentration being 170-180 g/L. Prepared textile artware has good quality and low wrinkle rate, the mercerization effect is improved, meanwhile, the consumption of caustic soda is reduced, and the technology has positive significance in aspects of energy conservation and emission reduction.

The invention provides a sludge acidification fermentation treatment system which comprises an acidification pretreatment pond, an ultrasonic treatment pond, an acidification hydrolysis pond, an anoxic fermentation pond, a dehydration pond, a pH adjusting device, a first reflux pump, a second reflux pump, a flow monitoring device, a first temperature sensor, a stirring device, a pH monitoring device, a flow adjusting valve, a second temperature sensor, a marsh gas collecting device, an oxygen supply stirring device, an oxygen content monitoring device, a heat preservation layer, columnar separation plates and ultrasonic generators. The sludge acidification fermentation treatment system is provided with an ultrasonic processor, the sludge treatment efficiency is improved, the size of a sludge digestion structure is reduced, and preparations are made for further treatment of sludge. The acidification hydrolysis pond is provided with a temperature monitoring device, the pH monitoring device and the stirring device, the anoxic fermentation pond is provided with a temperature monitor device, the oxygen content monitoring device and the oxygen supply stirring device, it is guaranteed that a reaction is carried out fully, and therefore the utilization efficiency of the sludge is improved, and damage of the sludge to environment is reduced.

The invention discloses a method for preparing a modified hydroxyl ester polymer emulsion. Required raw materials comprise the following components in parts by mass: 1.0-4.2 parts of a hydrophilic small monomer for emulsification, 1.7-4.5 parts of a hydrophobic small monomer for emulsification, 18-51 parts of a hydroxyl small monomer, 0.05-0.26 part of an emulsion initiator, 2.2-5.4 parts of an initiator a, 3.5-6.6 parts of an initiator b, 380-450 parts of an ester small monomer, 6.2-9.3 parts of a crosslinking agent, 0.06-0.28 part of a chain transfer agent, 0.5-1.0 part of graphene oxide, 15-40 parts of polyether, 5-10 parts of a neutralizer, 5-10 parts of a pH regulator, 2.0-6.5 parts of an emulsifier promoter, 0.4-1.3 parts of a liquid film enhancer and the balance of water, wherein the total parts by mass are 1000, and the solid content is 50%. The waterproof coating disclosed by the invention is suitable for cement mixing; due to a large number of hydroxyl groups, calcium ions can be stably complexed, calcium ion hydrolysis can be effectively inhibited, the cement strength can be increased, and the waterproof effect can be improved; due to hydrogen bonds in molecules of the hydroxyl groups, the internal binding force of the polymer can be improved, and the adhesion of the polymer with a matrix can be improved through a good hydrophilic effect; due to addition of the graphene oxide, the tensile strength of a polymer emulsion in film formation can be remarkably improved; and the water resistance can be also improved to a certain extent.

The invention relates to a molding sand preparation method for casting 350-kilometer axle boxes, and belongs to the technical field of casting axle boxes of railways. The molding sand preparation method includes the steps that firstly, the proportioning of molding sand is quartz sand of 100% by mass, binder and inorganic hardener; the binder is composed of phenolic resin and powder coupling agents, wherein the amount of phenolic resin is 1.6-2.5% of the quartz sand by mass and the amount of powder coupling agents is 10-50% of the quartz sand by mass; secondly, the sand is subjected to mixing;thirdly, air holes are formed; fourthly, a blowing hardening process is carried out; and fifthly, molding is carried out. A developed two-component carbon dioxide hardening resin is used as a raw material; a carbon dioxide hardening process is adopted to prepare the molding sand for casting 350-kilometer axle boxes of American railways, and according to the preparation method, the efficiency is high, the raw materials can be reused, and the cost is greatly reduced.

This sputtering target is characterized by having a metal copper phase and an oxidized copper phase, wherein the volume fraction of the oxidized copper phase falls within a range of larger than 80 vol% but not larger than 90 vol%, the variation in specific resistance value at a target sputter surface is 50% or less with respect to the average specific resistance value, and the diameter of particles in the metal copper phase in the target structure falls within the range of 10-200 um. It is also preferable for the sputtering target to have the properties of a p-type semiconductor.

An engine test bed tail gas treatment system comprises a first alkali liquor spray tower, a second alkali liquor spray tower, an alkali liquor supply pool, a silencing tower and a tail gas treatment system input pipeline. Spray tower gas inlets of the first alkali liquor spray tower and the second alkali liquor spray tower both communicate with the tail gas treatment system input pipeline, and spray tower gas outlets both communicate with the silencing tower through pipelines. According to the engine test bed tail gas treatment system, engine test bed tail gas is treated; meanwhile, by arrangement of the silencing tower, silencing and noise reduction are carried out on exhaust of an exhaust system, and noise pollution is avoided.

The invention discloses a method for recovering the activity of a low-activity hydro-upgrading catalyst, comprising the following steps: introducing nitrogen with the content of 0-10mu g/g into the low-activity hydro-upgrading catalyst bed, adjusting the reaction temperature of the upgrading section to enable the mass yield of the light oil of being less than 175 DEG C to be 20%-30% constantly for24-48 hours, and adjusting to hydro-upgrading conditions for reaction after the completion of the constant reaction. The low-activity hydro-upgrading catalyst comprises, by weight, 0%-less than 20% of a molecular sieve and 0.15%-0.35% of a nitrogen element, wherein the molecular sieve comprises at least one of a Y-type molecular sieve and a USY molecular sieve. The method has the advantages of simple process and stable operation, and solves the problem of how to recover the activity of the hydro-upgrading catalyst due to reduction of the activity of the hydro-upgrading catalyst caused by long-term operation according to a hydrofining mode.