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30results about How to "Increase the application ratio" patented technology
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Method, device and system for configuring carrier aggregation function
ActiveCN106160985AIncrease the application ratioGood application effectTransmission path multiple useInformation supportCarrier signal
The present invention discloses a method, device and system for configuring a carrier aggregation function. The method includes: when a network-side device determines that access bands supported by a terminal are a first band and a second band and a supported carrier aggregation band combination is a carrier aggregation band combination related to the second band according to access band information and carrier aggregation band combination information supported by the terminal, judging whether to configure a carrier aggregation function related to the second band for the terminal; and if so, sending a reconfiguration signaling to the terminal, to guide the terminal to be switched into the second band of the same cell, and after determining that the reconfiguration of the terminal is completed, configuring a carrier aggregation function related to the second band for the terminal, thereby solving the problem that the current network-side device cannot accurately configure a carrier aggregation function related to a second band for a terminal supporting access capabilities of first and second bands and supporting the carrier aggregation function related to the second band, and improving the application ratio and application effect of the carrier aggregation function related to the second band.
Owner:CHINA MOBILE COMM GRP CO LTD
Early-stage compound feed for broiler chickens and preparation method thereof
InactiveCN104012797AImprove nutritional qualityReduce contentFood processingAnimal feeding stuffPectinaseNeutral protease
An early-stage compound feed for broiler chickens comprises the following raw materials in parts by weight: corn 56-62, soybean meal 18-25, an enzymatically-decomposed and fermented rapeseed meal 3-9, bran 0-5, salt 0.3-0.4, lysine 0.4-0.5, methionine 0.2-0.5, grease 1-3, and a premix which does not contain a pharmaceutical additive 1-5, wherein the enzymatically-decomposed and fermented rapeseed meal is prepared by mixing rapeseed meal, a combination enzyme, plant lactobacillus solution, bacillus subtilis solution and water according to the proportion of the rapeseed meal, the combination enzyme, the plant lactobacillus solution, the bacillus subtilis solution and water being 75.5: 0.5: 1-3: 3-6: 15-20 by weight and allowing the raw materials to enzymatically decompose and ferment; the combination enzyme comprises neutral protease, pectinase, Beta-glucanase, xylanase, cellulose and mannanase. The preparation method of the early-stage compound feed comprises the following steps: uniformly mixing the above raw materials in the required proportions to obtain the mixture material, and subjecting the mixture material to pasting, palletizing and crushing in turn. The nutritional quality of the rapeseed meal is improved, and the production cost is reduced.
Owner:INST OF ANIMAL SCI & VETERINARY HUBEI ACADEMY OF AGRI SCI
Method for smelting qualified pig iron from low-grade dilution ores containing high quantities of harmful elements
ActiveCN103205514AReduce adverse effectsExpand the range of available resourcesBlast furnace detailsCokeSilicon
The invention provides a method for manufacturing qualified pig iron from low-grade dilution ores containing high quantities of harmful elements. The method includes feeding, by mass, 60-75% of dilution sintering ores, 10-15% of dilution pellet ores, 10-20% of conventional pellet ores, 0-7% of lump ores and coke containing 80% of fixed carbon into a blast furnace according to conventional quantities; and smelting the ores and the coke to obtain the low-cost qualified pig iron. The sum of the mass proportions of the dilution sintering ores, the dilution pellet ores, the conventional pellet ores and the lump ores is 100%. The method has the advantages that certain smelting intensity is kept under the condition of the blast furnace, the blast furnace can stably and smoothly run for long cycles, the content of silicon is stably controlled, the yield keeps unchanged, the fuel ratio is stable, and local low-grade ore resources are sufficiently utilized.
Owner:WUKUN STEEL +1
Energy trading model by means of energy Internet
InactiveCN105631580AEasy to manageReduce supply peaksBuying/selling/leasing transactionsResourcesElectricity priceTime function
The invention provides an energy trading model by means of energy Internet. The model comprises a formula as described in the specifications, xn=fn(t) and pn=Fn(p'n); y is total expenditure for buying energy by a user; xn is an effective energy use price and is determined by a time function fn(t); n is a type of energy input in the energy Internet; t is a time period; pn is an effective energy use amount; Fn(p'n) is a self characteristic function by a certain energy; and N is a total energy type number. According to the trading model of the invention, an energy price metering form is updated in the basis of the current sectional electricity price, a good foundation is laid for wide interconnection by the future energy. Even if in a single energy trading mode, compared with the current ladder-type electricity price trading mode, the energy trading mode of the invention can increase optimization paths for energy pricing and trading.
Owner:CHINA ELECTRIC POWER RES INST +2
Pure high-abundance rare earth Ce, La and Y-based multi-element nanocrystalline permanent magnet alloy and preparation
InactiveCN110534279AAlleviate the problem of unbalanced utilizationIncrease the application ratioInductances/transformers/magnets manufactureMagnetic materialsRare-earth elementAlloy
The invention belongs to the field of rare earth permanent magnet materials, and discloses a pure high-abundance rare earth Ce, La and Y-based multi-element nanocrystalline permanent magnet alloy andpreparation. The pure high-abundance rare earth Ce, La and Y-based multi-element nanocrystalline permanent magnet alloy has a composition of RE<x>Fe<101-x-y>B<y> according to an atomic ratio, x is greater than 11.5 and less than 17.5, y is greater than 5.7 and less than 6.3, and RE is [(Ce<1-a>La)<1-b>Y] composed of three rare earth elements Ce, La and Y according to a certain ratio, a is greater than 0 and less than 0.5 and b is greater than 0 and less than 0.5. The nanocrystalline permanent magnet alloy with high coercive force, high maximum magnetic energy product and excellent thermal stability is prepared by adjusting the mutual synergistic effect among high-abundance rare earth Ce, La and Y. The alloy does not contain Nd / Pr / Dy / Tb and other low-abundance rare earth, the cost performance of the magnet can be improved, and the problem of unbalanced utilization of the rare earth can be effectively solved.
Owner:SOUTH CHINA UNIV OF TECH
Preparation method of salt-tolerant cellulose super absorbent polymer (SAP)
The invention relates to a preparation method of a salt-tolerant carboxymethylcellulose (CMC) super absorbent polymer (SAP) and discloses a method for preparing the salt-tolerant SAP. The method is characterized by dissolving and mixing CMC, maleic acid (MA), acrylamide (AM), 2-acrylamide-2-methylpropanesulfonic acid (AMPS) and a crosslinking agent, adding an initiator for polymerization and carrying out dewatering and drying, thus preparing the product, namely the salt-tolerant cellulose super absorbent polymer. The method has the beneficial effects that the whole synthesis condition is simple; the cost is low; industrial production is safe and is easy to control; the product has stable quality, high water absorbency and good salt tolerance, is easy to degrade and is pollution-free.
Owner:CHONGQING UNIV OF ARTS & SCI
Method for producing high-butanol acetone-butanol by biological process
ActiveCN101210257AReduce consumptionReduce COD contentMicroorganism based processesFermentationButanolChemistry
The invention produces acetone and butanol using starch-containing matters, such as starch-containing subsidiary agricultural products as raw materials according to the characteristics of acetone-producing bacteria and butanol-producing bacteria. The method has butanol yield of 78%, reduces production cost, and is suitable for large-scale industrial production. The inventive method is characterized in that the method comprises the following steps of: (1) treating starch-containing matters before fermentation with enzyme method; (2) optimizing carbon-nitrogen ratio between enzymatic treatment of starch-containing matters and fermentation; and (3) increasing waste mash recycling ratio, reducing COD content in waste mash, and reducing sewage treatment capacity. The yield of butanol produced by the method is 78%. The method remarkably reduces vapor consumption, reduces COD content in waste mash, increases waste mash recycling ratio, and reduces sewage treatment capacity. And the method uses starch as raw material. The inventive method reduces production cost, and is suitable for large-scale industrial production.
Owner:CATHAY R&D CENT CO LTD +1
A method of distributing ultra-fine ore for composite agglomeration process
InactiveCN102296176AAdjust the mixing ratio arbitrarilyControl reasonable distributionEngineeringPallet
The present invention relates to a method for distributing ultrafine concentrates in a composite agglomeration process. In the present invention, a part of the ultra-fine concentrate is made into raw balls of a certain particle size, and after mixing with another part of the sintering mixture, through a certain distribution technology, that is, adjusting the rotation speed of the multi-roller distributor rollers and the placement position of the loosener to carry out Reasonable fabric. Especially when the amount of raw balls in the mixture is different, the distribution method can make the raw balls and fuel reasonably distributed on the sintering machine trolley, which can not only improve the air permeability of the upper material layer of the sintering machine trolley, The fuel consumption can also be optimized.
Owner:INNER MONGOLIA BAOTOU STEEL UNION
Leaching technology for tailings clinker containing vanadium
ActiveCN103667680AShorten the leaching timeLow particle size requirementProcess efficiency improvementSlagSodium salt
The invention discloses a leaching technology for tailings clinker containing vanadium and belongs to the technical field of extraction of vanadium from vanadium slag. The invention aims to provide a vanadium-extraction leaching technology for tailings clinker containing vanadium, which can achieve continuous production and has high leaching efficiency. The invention adopts the technical scheme as follows: a, ball milling is performed, that is, after being subjected to sodium salt roasting, the tailings clinker containing vanadium is subjected to wet ball milling to obtain a mixture of the tailings clinker containing vanadium and water, wherein the wet ball milling controls the particle size to achieve the effect that 70%-90% of the tailings clinker containing vanadium can pass through a 120-mesh sieve; b, the mixture is filtered in vacuum to obtain a solution and waste slag. The leaching technology provided by the invention can replace a tank car leaching technology in the original extraction technology of vanadium from tailings, achieve continuous production operation, shorten the leaching time of the tailings clinker and reduce the production cost.
Owner:PANZHIHUA ZHUYU VANADIUM TITANIUM
Intelligent detection packaging line for unmanned workshop
PendingCN112722740AEasy to detectReduce detection errorControl devices for conveyorsPackaging automatic controlComputer hardwareEmbedded system
Owner:东莞市瑞科智能科技有限公司
Rock breaking method and device of cutterhead based on beveling angle high-pressure ice jet space-time arrangement
ActiveCN112483110AQuick breakImprove crushing efficiencyTunnelsClassical mechanicsStructural engineering
The invention discloses a rock breaking method of a cutterhead based on beveling angle high-pressure ice jet space-time arrangement. The method comprises the following steps that step one, high-pressure ice jet flow jetted by a first-position mixed jet flow jetting device is adopted to form an inclined ice force cutting groove in a rock body, and an inverted trapezoidal boss structure is formed; step two, the center of the inverted trapezoidal boss structure is rolled by adopting a mechanical hob to form a regular trapezoidal rock boss; at the moment, a to-be-cut rock ridge part of which the strength is greatly reduced after being rolled by the hob exists below the mechanical hob; step three, the regular trapezoidal rock boss is segmented again through the high-pressure ice jet flow jettedby a second-position mixed jet flow jetting device; and step four, the residual rock mass crushed by rolling of the mechanical hob in step two and the regular trapezoidal rock boss segmented in stepthree are removed by using a mechanical scraper. The rock breaking method has the advantages that the rock breaking efficiency is improved and the rock breaking energy consumption is reduced. The invention further discloses a rock breaking device of the cutterhead based on beveling angle high-pressure ice jet space-time arrangement.
Owner:INST OF ROCK & SOIL MECHANICS CHINESE ACAD OF SCI
Slow-release organic compound fertilizer special for grapes and preparing method of slow-release organic compound fertilizer
ActiveCN106146158AHigh availability siliconIncrease the areaMagnesium fertilisersAlkali orthophosphate fertiliserOrganic compoundControlled-Release Preparations
The invention discloses a slow-release organic compound fertilizer special for grapes. The slow-release organic compound fertilizer special for grapes is prepared from, by weight, 16-22 parts of an organic matter combined slow-release agent, 4.0-6.5 parts of a silicon fertilizer combined sustained and controlled release preparation, 18-23 parts of urea, 18-22 parts of diammonium phosphate, 26-30 parts of potassium sulfate, 0.5-1.5 parts of ferrous sulfate, 1.0-1.5 parts of magnesium sulfate, 1.0-1.5 parts of zinc sulfate and 1.6-2.0 parts of boric acid. The slow-release organic compound fertilizer has the advantages of being low in cost, high in concentration, complete in nutrition, high in utilization rate and the like, and further has the advantages of being remarkable in yield increasing and quality improving effect and the like; the slow-release organic compound fertilizer can be applied one time after grapes sprout in spring, multiple times of top dressing is not needed, the fertilizing frequency is reduced, and the harm caused by fertilizing to root systems is relieved; meanwhile, nutrition balance in grapes can be coordinated, growth can be promoted, and a remarkable effect is achieved on increasing the yield and improving the quality.
Owner:辽宁省果树科学研究所
Dephosphorizing agent and application thereof
PendingCN114657326ALow melting pointImprove liquidityProcess efficiency improvementSteelmakingIron storage
The invention provides a dephosphorizing agent for pre-dephosphorizing medium-high phosphorus molten iron as well as a preparation method and application of the dephosphorizing agent, and belongs to the technical field of metallurgy. The dephosphorizing agent disclosed by the invention is low in slag system melting point, extremely fast in slag forming, good in fluidity, high in phosphorus capacity and high in dephosphorizing efficiency. The dephosphorizing agent can achieve a dephosphorizing rate of 70% or more in a short time from molten iron storage and transportation to a converter process. After the dephosphorizing agent is used for pre-dephosphorizing the molten iron, more than 70% of dephosphorization is completed before the molten iron enters a converter, on one hand, the dephosphorizing agent can be suitable for the molten iron with the initial [P] content up to about 0.25%, and compared with an existing blast furnace burden structure, the application proportion of inferior iron ore resources with high phosphorus content in a blast furnace is remarkably increased; on the other hand, the smelting efficiency in the converter steelmaking process is effectively improved, emission of slag and the like is remarkably reduced, and economic benefits and environmental benefits are huge.
Owner:UNIV OF SCI & TECH BEIJING
Continuous on-line preparation method of ultrahigh strength and toughness Mn-B steel structural part
PendingCN109762965AShorten the lengthReduce construction investment costsQuenching devicesHot stampingUltra fine
The invention belongs to the technical field of steel stamping forming, and discloses a continuous on-line preparation method of an ultrahigh strength and toughness Mn-B steel structural part. An continuous rotating electrode roller is used for circularly heating and quenching an Mn-B steel strip to make high temperature austenite and quenched martensite grain ultrafining; during continuous rotating, the electrode roller is heated at high speed in a self-resistance heating way; homogenization diffusion of elements is realized through multiple times of repeated heating-quenching; and the high cooling speed in a die or a forced cooling method after stamping forming in the hot stamping pressure maintaining quenching process, the ultra-fine grain austenite is converted ultra-fine grain martensite or ultra-fine grain martensite + a bit of bainite and the like organizations, and high-strength toughness structural part preparation is realized. According to the ontinuous on-line preparation method of the ultrahigh strength and toughness Mn-B steel structural part, oxidation can be reduced effectively, thus low cost non-coating board is popularized and used advantageously, homogenization diffusion of the elements with multiple times of repeated heating-quenching is realized within short time, and the performance of component is advantageous uniformity.
Owner:HARBIN INST OF TECH AT WEIHAI
A Comprehensive Utilization Process of Microwave Expanded Tobacco Stem
ActiveCN106108099BStem Carbonation ReductionReduce lossesTobacco treatmentAbsorption capacityMicrowave
The invention provides a comprehensive utilization technology of microwave-expanded tobacco stems. The comprehensive utilization technology comprises the following steps that 1, tobacco stems are subjected to three stages of preheating and microwave expanding treatment; 2, air cooling is conducted, wherein the microwave-expanded tobacco stems are blown forwards by a draught fan and subjected to air cooling dedusting through a dust collecting bag; 3, the expanded tobacco stems are subjected to stem slice forming processing; 4, the expanded tobacco stems are subjected to cut stem forming processing. According to the method, stem core carbonization is significantly reduced, uniform expanding is achieved, the material liquid absorption capacity is enhanced, little natural tobacco aroma is lost, scorched and woody smell is reduced, the cigarette smoking quality is obviously improved, and the effect of fully utilizing the tobacco stems is achieved.
Owner:CHINA TOBACCO YUNAN NEW MATERIAL
Leaching process of vanadium-containing tailings clinker
ActiveCN103667680BShorten the leaching timeLow particle size requirementProcess efficiency improvementSlagSodium salt
The invention discloses a leaching technology for tailings clinker containing vanadium and belongs to the technical field of extraction of vanadium from vanadium slag. The invention aims to provide a vanadium-extraction leaching technology for tailings clinker containing vanadium, which can achieve continuous production and has high leaching efficiency. The invention adopts the technical scheme as follows: a, ball milling is performed, that is, after being subjected to sodium salt roasting, the tailings clinker containing vanadium is subjected to wet ball milling to obtain a mixture of the tailings clinker containing vanadium and water, wherein the wet ball milling controls the particle size to achieve the effect that 70%-90% of the tailings clinker containing vanadium can pass through a 120-mesh sieve; b, the mixture is filtered in vacuum to obtain a solution and waste slag. The leaching technology provided by the invention can replace a tank car leaching technology in the original extraction technology of vanadium from tailings, achieve continuous production operation, shorten the leaching time of the tailings clinker and reduce the production cost.
Owner:PANZHIHUA ZHUYU VANADIUM TITANIUM
Preparation method of salt-tolerant super absorbent polymer (SAP)
The invention relates to a preparation method of a salt-tolerant super absorbent polymer (SAP) and discloses a method for preparing the salt-tolerant SAP. The method is characterized by comprising the steps of dissolving and mixing maleic acid (MA), acrylamide (AM), 2-acrylamide-2-methylpropanesulfonic acid (AMPS) and a crosslinking agent, adding an initiator for polymerization and carrying out dewatering and drying, thus preparing the product, namely the salt-tolerant super absorbent polymer. The method has the beneficial effects that the whole synthesis condition is simple; the cost is low; industrial production is safe and is easy to control; the product has stable quality, high water absorbency and good salt tolerance and is pollution-free.
Owner:CHONGQING UNIV OF ARTS & SCI
Method for preparing superabsorbent polymer (SAP) from acrylamide (AM) and maleic acid (MA)
InactiveCN104140492AIncrease the application ratioImprove water absorptionPolymer scienceSuperabsorbent polymer
The invention relates to a method for preparing a superabsorbent polymer (SAP) from acrylamide (AM) and maleic acid (MA) and discloses a method for preparing the SAP. The method is characterized by comprising the steps of dissolving and mixing AM, MA and a crosslinking agent, adding an initiator for polymerization and then carrying out dewatering and drying, thus preparing the product, namely the superabsorbent polymer. The method has the beneficial effects that the whole synthesis condition is simple; the cost is low; industrial production is safe and is easy to control; the product has stable quality and high water absorbency and is environment-friendly and pollution-free.
Owner:CHONGQING UNIV OF ARTS & SCI
Method, device and system for configuring carrier aggregation function
ActiveCN106160985BIncrease the application ratioGood application effectTransmission path multiple useComputer science
Owner:CHINA MOBILE COMM GRP CO LTD
Rock-breaking method of cutter head based on space-time arrangement of oblique high-pressure water jet
The invention discloses a rock-breaking method based on a cutter head arranged in time and space with an oblique angle high-pressure water jet. It includes the following steps: step 1: high-pressure water jet oblique cutting; step 2: mechanical hob rolling to divide the rock mass; step 3: high-pressure water jet to divide the trapezoidal boss area; step 4: scraper cutting to remove the residual rock mass. The invention has the advantages of reducing the application ratio of mechanical energy, improving the crushing efficiency of rocks, effectively reducing the mechanical wear of cutters, and reducing the operating temperature of the working face.
Owner:INST OF ROCK & SOIL MECHANICS CHINESE ACAD OF SCI
A Processing Technology for Improving the Smell of Cut Stem Tobacco
ActiveCN111820447BAdd effective aroma componentsReduce mistTobacco preparationTobacco treatmentBiotechnologyBotany
The invention relates to the technical field of tobacco processing, in particular to a processing technology for improving the smell of cut tobacco. It comprises the following steps: extracting the waste tobacco leaf material obtained in the cigarette production process with a solvent to obtain a tobacco extract; immersing tobacco stems in the tobacco extract, so that the fibers of the tobacco stems swell; and immersing until the moisture content of the tobacco stems reaches 45-50 %; pressing the steeped tobacco stems until no clear water seeps out; drying and shredding the stem slices obtained by pressing the stems to obtain shredded stems. In the present invention, the tobacco stems are soaked in the tobacco extract solution, and then the excess water is removed by low-intensity treatment, and then the cut stems are processed, so that the effective tobacco components in the tobacco extract solution are retained in the cut stems, and the effective aroma in the cut stems is increased. ingredients, to reduce miscellaneous gas, improve aroma and taste, and increase the application ratio in cigarettes.
Owner:HUBEI CHINA TOBACCO IND
Cutterhead based on spatio-temporal arrangement of oblique angle high-pressure water jet
The invention discloses a cutter head based on the space-time arrangement of high-pressure water jets with oblique cutting angles. It includes No. 1 high-pressure water nozzle, mechanical hob, No. 2 high-pressure water nozzle and mechanical scraper; No. 1 high-pressure water nozzle and No. The high-pressure water nozzles at the first position are arranged in opposite directions; when the high-pressure water nozzles at the second position spray the rock mass, the incident angle is 45 degrees, and the incident point is the midpoint of the hypotenuse of the rock mass; the high-pressure water nozzles at the first position, the mechanical hob, and the second The high-pressure water nozzle and mechanical scraper cut grooves according to the water jet sprayed by the high-pressure water nozzle of the first position, the mechanical hob rolls down the trapezoidal rock mass, and the high-pressure water jet sprayed by the high-pressure water nozzle of the second position divides the trapezoidal rock convex block And the rock-breaking mode installation arrangement of mechanical scraper cutting and removing rock mass. The invention has the advantages of reducing the application ratio of mechanical energy, improving the crushing efficiency of rocks, effectively reducing the mechanical wear of cutters, and reducing the operating temperature of the working face.
Owner:INST OF ROCK & SOIL MECHANICS CHINESE ACAD OF SCI +1
Method for preparing super absorbent polymer (SAP) from carboxymethylcellulose (CMC) and maleic acid (MA)
The invention relates to a method for preparing a super absorbent polymer (SAP) from carboxymethylcellulose (CMC) and maleic acid (MA) and discloses a method for preparing the SAP. The method is characterized by comprising the steps of dissolving and mixing CMC, MA, acrylamide (AM) and a crosslinking agent, adding an initiator for polymerization and carrying out dewatering and drying, thus preparing the product, namely the super absorbent polymer. The method has the beneficial effects that the whole synthesis condition is simple; the cost is low; industrial production is safe and is easy to control; the product has stable quality and high water absorbency and is environment-friendly and pollution-free.
Owner:CHONGQING UNIV OF ARTS & SCI
A resistance spot welding method for ultra-high-strength thermoformed steel plates
ActiveCN112247332BReduce weightHigh solder joint strengthResistance welding apparatusElectrical resistance and conductanceThermoforming
The invention provides a resistance spot welding method for ultra-high-strength thermoformed steel plates. Based on the method, the super-high-strength thermoformed steel plates with carbon content ≥ 0.33wt% and tensile strength ≥ 1800 MPa are welded, which not only does not require a cooling section, but also improves efficiency. And it can increase the CTS strength. The resistance spot welding method comprises the following steps: 1) the first process section: applying current I1 to the ultra-high-strength thermoformed steel plate to be welded, and the time is T1; Apply current I2 to the ultra-high-strength thermoformed steel plate, and the time is T2; 3) The third process section: Then apply current I3 to the ultra-high-strength thermoformed steel plate after the second process section, and the time is T3; 4) The fourth process Segment: Next, a current I4 is applied to the ultra-high-strength hot-formed steel plate processed in the third process segment, and the time is T4.
Owner:DONGFENG MOTOR CO LTD
Tobacco essence that can improve the aroma and taste of paper-making reconstituted tobacco leaves
ActiveCN103103021BImprove aroma qualityImprove qualityTobacco preparationTobacco treatmentAlcoholQuality level
The invention discloses tobacco essence capable of remarkably improving incense and taste of tobacco leaf regenerated by a paper-making process and relates to a tobacco additive. In order to overcome the defects of the existing domestic paper-making process in the quality level of the tobacco leaf regenerated and improve the integrated quality of the tobacco leaf regenerated by the paper-making process, the invention provides a tobacco essence capable of remarkably improving incense and taste of tobacco leaf regenerated by the paper-making process. The tobacco essence is characterized in that the materials of the tobacco essence include the base material prepared from the following components in percentage by weight: 0.15%-0.4% of lysimachia foenum-graecum extract, 0.2%-0.7% of fenugreek seed extract, 0.15%-0.4% of plum extract, 0.04%-0.14% of phenethyl alcohol, 0.04%-0.14% of linalool oxide, 0.04%-0.14% of phenylacetic acid, 0.06%-0.21% of angelica lactone, 0.02%-0.07% of benzpyrole and the balance of 95% of alcohol. The tobacco essence can be popularized and used in all cigarettes factory of China.
Owner:SHENZHEN TOBACCO IND
Yellow sun-cured tobacco and preparation method and low tar cigarette
ActiveCN103230093BIncrease the application ratioImprove inner qualityTobacco treatmentReflux extractionAlcohol
The invention discloses a yellow sun-cured tobacco which is prepared by the following steps of: (1) adding 10-16 times of 90-95 percent of alcohol into the threshed and aired yellow sun-cured tobacco, performing reflux extraction at the temperature of 85-95 DEG C for 2-3 hours, filtering after extraction, wherein the filtrate is subjected to vacuum concentration to form the concentrated solution with the density of 0.97-0.99g / cm<3>; (2) adding 8-12 times of 65-75 percent of alcohol into the filtered yellow sun-cured tobacco, performing reflux extraction at the temperature of 90-95 DEG C for 2.5-3.5 hours, and filtering after extraction; and (3) drying the filtered yellow sun-cured tobacco in the step (2) to the moisture content of 12-15 percent, spraying the concentrated liquid obtained in the step (1), adding the additive according to 0.6-1 percent of the weight of the yellow sun-cured tobacco, baking at the temperature of 40-60 DEG C for 20-40 minutes, and obtaining the yellow sun-cured tobacco. The interior quality of the yellow sun-cured tobacco is improved, the application ratio of the yellow sun-cured tobacco in the low tar cigarette is improved, and the interior quality of the low tar cigarette is improved.
Owner:HUBEI CHINA TOBACCO IND
Rock-breaking method and device for cutter head based on space-time arrangement of oblique high-pressure ice jet
ActiveCN112483110BQuick breakImprove crushing efficiencyTunnelsClassical mechanicsStructural engineering
The invention discloses a rock-breaking method based on a cutter head arranged in time and space with an oblique angle high-pressure ice jet. It includes the following steps: Step 1: Use the high-pressure ice jet sprayed by the No. 1 mixed jet injection device to form inclined ice-force cutting grooves on the rock mass to form an inverted trapezoidal boss structure; Step 2: Use a mechanical hob to roll down the trapezoidal boss structure. At the center of the platform structure, a positive trapezoidal rock boss is formed; at this time, there is a rock ridge under the mechanical hob whose strength is greatly reduced after being rolled by the hob; Step 3: The positive trapezoidal rock boss is mixed by the No. 2 jet The high-pressure ice jet sprayed by the injection device is divided again; Step 4: Use a mechanical scraper to remove the residual rock mass that has been rolled and crushed by the mechanical hob in Step 2 and the positive trapezoidal rock bosses that have been divided in Step 3. The invention has the advantages of improving the crushing efficiency of rocks and reducing the energy consumption of rock breaking. The invention also discloses a rock-breaking device based on a cutter head arranged in time and space with an oblique angle high-pressure ice jet.
Owner:INST OF ROCK & SOIL MECHANICS CHINESE ACAD OF SCI
Method for producing high-butanol acetone-butanol by biological process
ActiveCN101210257BReduce consumptionReduce COD contentMicroorganism based processesFermentationSewageSewage treatment
The invention produces acetone and butanol using starch-containing matters, such as starch-containing subsidiary agricultural products as raw materials according to the characteristics of acetone-producing bacteria and butanol-producing bacteria. The method has butanol yield of 78%, reduces production cost, and is suitable for large-scale industrial production. The inventive method is characterized in that the method comprises the following steps of: (1) treating starch-containing matters before fermentation with enzyme method; (2) optimizing carbon-nitrogen ratio between enzymatic treatment of starch-containing matters and fermentation; and (3) increasing waste mash recycling ratio, reducing COD content in waste mash, and reducing sewage treatment capacity. The yield of butanol produced by the method is 78%. The method remarkably reduces vapor consumption, reduces COD content in waste mash, increases waste mash recycling ratio, and reduces sewage treatment capacity. And the method uses starch as raw material. The inventive method reduces production cost, and is suitable for large-scale industrial production.
Owner:CATHAY R&D CENT CO LTD +1
Mixed paper-making reconstituted tobacco as well as preparation method and application thereof
ActiveCN103005661BReduce moisture contentExtended soaking timeTobacco preparationTobacco treatmentFlavorSlurry
The invention relates to the field of cigarette processing, in particular to a mixed paper-making reconstituted tobacco, as well as a preparation method and an application thereof. The preparation method comprises the concrete steps as follows: soaking mixed tobacco materials, beating, and carrying out solid-liquid separation to obtain a coating stock solution and a solid matter; adding a flavor precursor with the function of releasing the sun-cured tobacco smell and a flavor enhancement and supplementation solution into the coating stock solution to obtain a coating solution; beating the solid matter, adding wood pulp, mixing and beating to obtain a finished pulp solution, diluting the finished pulp solution, and applying a net to make a sheet base; and coating the sheet base with the coating solution, then drying and cutting, and obtaining the finished mixed reconstituted tobacco. By studying the mixed tobacco materials, the pulping process and the flavor enhancement and supplementation technology, the mixed reconstituted tobacco for cigarettes is provided, the adaptability of the reconstituted tobacco to the mixed cigarettes is improved, and the technical carrier function of the reconstituted tobacco is brought into full play.
Owner:SHANGHAI TOBACCO GRP CO LTD +1
A kind of preparation method of heating cigarette
ActiveCN113647666BImprove suction qualityReduce drynessTobacco preparationTobacco treatmentBiotechnologyOrganic acid
The invention discloses a method for preparing heated cigarettes. Aiming at the problem that the addition of shredded tobacco to heated cigarettes may easily cause adverse effects such as dryness and irritation in the throat, the innovative use of hydratable organic acid salts as humectants, 1, 2‑Propylene glycol and glycerin are used as smoking agents to prepare shredded tobacco for heating cigarettes. The commonly used heating temperature range for heating cigarettes is below 400°C. According to the different heating temperatures of smoking utensils, moisture will be released at a specific temperature to achieve the goal of regulating the amount of moisture released. Purpose.
Owner:CHINA TOBACCO JIANGXI IND CO LTD
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