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Method for efficiently preparing stachyose from stachys sieboldii
ActiveCN101717415AImprove qualityTake advantage ofSugar derivativesUltrafiltrationUltrafiltrationReverse osmosis
The invention provides a method for efficiently preparing stachyose from stachys sieboldii. The method is characterized by comprising the following steps: taking Chinese traditional vegetable stachys sieboldii as a raw material; extracting the stachyose by adopting a pure water homogenate method; and spraying and drying after the processes of filtering a homogenate by a cloth bag; decolorizing the filtered homogenate with macroporous resin, performing ultrafiltration purification and reverse osmosis concentration, and the like, wherein a reverse osmosis permeate liquid is used as water for the homogenate and the resin decolonization elution in the production and the like, so not only resources can be used fully to meet the requirement on production water supply, but also the influence on the purity of the stachyose in the whole production system, caused by pollutants such as saline matters and the like in a natural water source, can be reduced to further improve the purity and the quality of the stachyose. By using the method of the invention, the extraction rate of the stachyose prepared can reach 75 and 85 percent, the purity of the stachyose in a product reaches over 90 percent, and the total recovery rate of the stachyose in the whole process reaches over 60 percent. The method combines a traditional extraction method and a modern separation method, has a simple process and a large handling capacity, is suitable for industrial production, and simultaneously has high product purity, saves resources and the production cost, and has good economic benefits and ecological benefits.
Owner:上海国矗生物科技有限公司
Beverage bottle capable of generating healthy water
InactiveCN105905426AWith far infrared disinfection functionExtended shelf lifeWater/sewage treatment by irradiationSpecific water treatment objectivesAlkalinityHydrogen
A beverage bottle capable of generating healthy water comprises a bottle body and a bottle cap; and a healthy water generator is fixed below the cap bottom of the bottle cap and / or above the bottle bottom of the bottle body and comprises a shell and hydrogen composite ceramic water purifying particles in the shell. A hydrogen composite ceramic water purifying material is a pure natural hydrogen-rich material, tourmaline, medical stone, lapilli and other thirteen kinds of ore are smashed into an ultramicro powder material, then various kinds of rare earth metal materials, photocatalytic enzymes and other elements are blended in the ultramicro powder material, mixing and forming are performed, and finally, the particles in different sizes and different shapes are prepared through baking and low-temperature firing. Firstly, the particles are placed in the beverage bottle, then the beverage bottle is filled with potable water in the market, the potable water can react with the above hydrogen composite ceramic water purifying material to generate hydrogen-rich small molecular group water, and meanwhile, negative electric potential water and weak alkalinity water are made, namely so-called healthy water.
Owner:蒋亚熙
Modified dolomite powder based mineral admixture and preparation method thereof
InactiveCN106747090AHigh strengthResistance to Chloride Ion Penetration and DurabilitySolid waste managementDolomiteWork performance
The invention discloses a modified dolomite powder based mineral admixture. The modified dolomite powder based mineral admixture is prepared by uniformly mixing the following raw materials in parts by weight: 50-60 parts of dolomite powder, 15-20 parts of mineral powder, 15-20 parts of fly ash and 5-10 parts of bentonite. Besides, the invention also discloses a preparation method of the admixture. According to the invention, the dolomite powder is used as the concrete mineral admixture, thereby obviously enhancing the working performance of cement concrete, improving water bleeding, ensuring the strength and durability, lowering the cost, and achieving remarkable economic and social benefits.
Owner:CENT SOUTH UNIV
Hot-recycling asphalt mixture containing non-traditional oil and preparation method of hot-recycling asphalt mixture
The invention belongs to the field of utilization of non-traditional resources in the field of environmental protection and discloses a hot-recycling asphalt mixture containing non-traditional oil. The hot-recycling asphalt mixture is characterized by being prepared from a waste asphalt mixture, new aggregate, new asphalt and a non-traditional oil regeneration agent, wherein the waste asphalt mixture accounts for 30%-60% of the total mass of the waste asphalt mixture, the new aggregate, the new asphalt and the non-traditional oil regeneration agent, the new aggregate accounts for 38%-68% of the total mass of the waste asphalt mixture, the new aggregate, the new asphalt and the non-traditional oil regeneration agent, and the new asphalt accounts for 1%-2% of the total mass of the waste asphalt mixture, the new aggregate, the new asphalt and the non-traditional oil regeneration agent; the non-traditional oil regeneration agent accounts for 1%-3.5% of the mass of waste asphalt in the waste asphalt mixture. The implementing process of the mixture is simple, the regeneration effect is good, and the hot-recycling asphalt mixture is economical and environment-friendly.
Owner:WUHAN UNIV OF TECH
Full-granularity steel slag pavement base material for heavy-duty pavement
The invention discloses a full-granularity steel slag pavement base material for a heavy-load pavement The full-granularity steel slag pavement base material is prepared by adding water into a dry material and uniformly mixing, and the dry material comprises 3.4-5.0% of a cementing material and 95.0-96.6% of steel slag aggregate; the cementing material is prepared by mixing 70-90% by mass of cement and 10-30% by mass of steel slag micro-powder according to a certain ratio; and the water accounts for 5-6% of the total mass of the dry material. Excellent physical properties and potential gellingactivity of the steel slag are utilized, the base material with high strength, small cement dosage and reduced dryness can be prepared without additives, the base material is suitable for the heavy-load pavement, and the service life of the heavy-load pavement is prolonged; and an application of the full-granularity steel slag in the base material is realized, natural resources are effectively saved, the problems of environmental pollution and the like caused by improper treatment of the steel slag are reduced, the production cost is reduced, and remarkable social, economic and environmentalbenefits are achieved.
Owner:WUHAN UNIV OF TECH
Heating and cold supply system
ActiveCN105333644AReduce dependenceReduce wasteSolar heat devicesHeating and refrigeration combinationsClean energyCoal
The invention relates to a heating and cold supply system. The heating and cold supply system comprises a water supply unit, a water collecting unit, a boiler energy supply unit, a solar energy supply unit, a wind energy supply unit, a heat pump energy supply unit and a heat and cold storage energy supply unit. The system can use such common fuel energies as coals, woods and straws as energy sources, and is combined with efficient utilization of regenerative energies of solar energy and wind energy to realize combined application of traditional energies and clean energies so as to provide economical and reliable cold and heat supply. The multiple energy supply units of the system can be independently operated, or can be combined for operating, so that the energy utilization efficiency is improved, and the energy supply stability of the system is guaranteed.
Owner:INST OF ENGINEERING THERMOPHYSICS - CHINESE ACAD OF SCI
Protein product capable of fixing target object and being removed as required
ActiveCN111802385AEasy to prepareGood biocompatibilityCosmetic preparationsBiocideLactalbuminPancreatic hormone
The invention discloses a protein product capable of fixing a target object and being removed as required. The protein product comprises a protein (lysozyme, bovine serum albumin, whey albumin, insulin, alpha-lactalbumin, fibrinogen, ribonuclease A, cytochrome c, alpha-amylase, horse radish peroxidase, pepsase, myoglobin, collagen, keratin or the like), a protein modifier (a strong oxidant or a strong reducing agent), and a target fixture (a paint, a pesticide, a chemical fertilizer, a cosmetic, a medical drug or the like). According to the invention, a protein membrane generated by protein phase transformation is used for fixing the target fixture on a target surface, so the utilization rate of the target fixture is improved, and the problems of resource waste, environmental pollution andthe like caused by loss of the target fixture are reduced. In addition, as the protein membrane is decomposed, the target fixture can also be effectively removed. The main component, namely the protein is safe and environment-friendly, biocompatibility is high, a preparation method is simple, and the protein product has wide prospects in practical application.
Owner:西安清秀生态科技有限公司
Electrostatic precipitation insulation device
InactiveCN102836785AReduce pollution and other issuesSolve the problem of electric field insulation breakdownElectric supply techniquesTetrafluoroethyleneMoisture condensation
The invention discloses a novel electrostatic precipitation insulation device which mainly solves the problems of easiness for dust stratification, moisture condensation, crack and the like of the inner wall of a porcelain insulator. The device comprises support plates, a cathode frame and a cathode connection shaft; the lower end of the cathode connection shaft is connected with the cathode frame; the upper part of the cathode connection shaft is penetrated through the two layers of the support plates, and the tail end of the cathode connection shaft is fixed on the upper support plate; a compression spring is fixed between the two layers of the support plates; two insulating support shafts are fixed at the bottom of the lower support plate and located at two sides of the cathode connection shaft; a fixed steel plate is fixed at bottoms of the insulating support shafts; a semicircle polyfluortetraethylene plate is respectively arranged at the bottoms of the two insulating support shafts; and the semicircle polyfluortetraethylene plates are clamped at the outer side of the cathode connection shaft. The electrostatic precipitation insulation device disclosed by the invention is used for effectively solving the problem of electric insulation breakdown under a damp condition and is widely suitable for electrostatic precipitation in industries such as metallurgy, chemical engineering, electricity building materials and the like.
Owner:JIGANG GRP
Catalyst for producing levoglucosenone, and preparation method thereof
ActiveCN109692690AFast pyrolysisPromote conversionPhysical/chemical process catalystsSugar derivativesNitrogenNitrogen gas
The invention discloses a preparation method of a catalyst for producing levoglucosenone. The preparation method comprises the following steps: S1, crushing a biomass raw material, fully mixing the crushed biomass raw material with a KOH activator according to a mass ratio of 4:1 to 1:4, adding the obtained mixture into a reactor, and carrying out a pyrolysis reaction under the protection of nitrogen to obtain biochar; S2, mixing the biochar obtained in S1 with concentrated sulfuric acid, sulfonating the biochar in a hydrothermal kettle, cooling the hydrothermal kettle, washing the obtained reaction product with deionized water to be neutral, and drying the washed reaction product in a drying oven to obtain sulfonated carbon; and S3, impregnating the sulfonated carbon to load metal ions, and performing washing and drying to obtain the metal sulfonated carbon catalyst. The invention also discloses the catalyst for producing levoglucosenone. The catalyst loaded with metal ions can effectively promote the conversion of the biomass raw material to a dehydration intermediate in the pyrolysis process, and also enhances the activity of strong acidic sites of the sulfonated carbon in orderto dehydrate the intermediate into the levoglucosenone.
Owner:HUAZHONG UNIV OF SCI & TECH
Method for recycling electrolyte substrate waste material of molten carbonate fuel cell
The invention discloses a method for recycling an electrolyte substrate waste material of a molten carbonate fuel cell. The method comprises the following steps of: (1) drying the electrolyte substrate waste material in a drying oven for 5 to 10 hours, and volatilizing an organic solvent in an electrolyte substrate; (2) cutting the electrolyte substrate waste material into fragments, adding a proper amount of absolute ethanol, and soaking for 5 to 10 hours; (3) supplementing an organic solvent of which the component and the mass are the same as those of the organic solvent volatilized from the electrolyte substrate in the step (1), and performing ball milling; and (4) after the ball milling is finished, performing vacuum pumping and the like on the obtained slurry, performing curtain coating to prepare a membrane, and thus obtaining a new electrolyte substrate which can be utilized. By the method, the substrate waste material is effectively utilized, energy sources are saved, and environmental pollution is reduced.
Owner:HUANENG CLEAN ENERGY RES INST
Export condensation and recovery purification method for coke oven raw gas of coal gangue pyrolysis gasification
ActiveCN103224818AGood economic valueTake advantage ofGas purification with selectively adsorptive solidsGas purification by non-gaseous materials condensationCoal gangueBenzene
The invention discloses an export condensation and recovery purification method for the coke oven raw gas of coal gangue pyrolysis gasification. The method includes the steps of: (1) providing a heat source for coal gangue pyrolysis gasification by heat storage and exchange and alternate combustion of purified coal gas; (2) letting carbon in a coal gangue pyrolysis solid product encounter superheated steam to undergo a water gas reaction so as to generate water gas; (3) exporting coke oven raw gas; (4) spraying ammonia water on the exported coke oven raw gas to lower the temperature so as to form a mixed solution of coal tar and ammonia water; (5) subjecting the mixed solution of coal tar and ammonia water to precipitation separation; (6) leaving the cooled coke oven raw gas to active coke adsorption, applying the adsorbed clean gas to storage or combustion, and subjecting saturated active coke to evaporation regeneration; and (7) fractionating evaporation regenerated light oil, crude benzene, a three-oil mixture, anthracene oil and other ingredients. The method provided in the invention recovers and purifies the coke oven raw gas in coal gangue pyrolysis gasification, realizes extraction and utilization of carbon, oil, gas and other substances in the coke oven raw gas, and has good economic value.
Owner:SHANXI XINLI ENERGY TECH
Medicament composition for treating colpitis symptoms and preparation method thereof
ActiveCN101502510AEvenly distributedFast absorptionAntibacterial agentsOrganic active ingredientsChlorhexidine AcetateHigh absorption
The invention relates to a drug combination for curing the inflammation of vagina, which adopts the form of a foaming agent, in particular to a foaming agent with the principle agents being metronidazole, clotrimazole and chlorhexidine acetate. The drug combination has the advantages of even distribution, wide coating area and better effect in the vagina by adopting the form, and meanwhile, the drug combination feels more comfortable and has stronger retention property than other forms. In the formula of the foaming agent, the drug combination can permeate into the mucosal folds of the vagina rapidly and effectively by dispersing atomizing particles with the particle diameter being a few micrometers in a foaming manner under the action of pressure; the drug combination has higher absorption rate than the spraying agent with water being the only solvent with the assistance from various fat-soluble auxiliary materials; the drug contamination and the cross contamination are avoided during the administration; the invention has the advantages that the curative effect is fully produced, the administration is sanitary, convenient, safe and reliable without causing the foreign body sensation, and the drug combination is easily accepted by patients; and the invention further has the advantages of drug stability, form stability and long effective duration.
Owner:YANGTAI PHARMA SHANDONG
Indoor floor tile
InactiveCN102838320AFast curingImprove initial strengthSolid waste managementPolyvinyl alcoholUltimate tensile strength
The invention belongs to the field of construction materials, and relates to an indoor floor tile. The invention is characterized in that the indoor floor tile is prepared by the following steps: by using pulverized wheat straw as the raw material, adding certain amounts of polyvinyl alcohol adhesive and low-basicity cement hardener as well as a right amount of water, processing, and applying a composite reinforcing layer on the surface of the plate blank. By utilizing the agricultural waste straw, the novel indoor floor tile has the advantages of no release of formaldehyde, favorable flame retardancy, satisfactory strength, lower cost, energy saving, emission reduction and the like, and can develop low-carbon economy.
Owner:NANYANG NORMAL UNIV
Ultrasonic-assisted washing and maintaining method for radix astragali
InactiveCN107626675AGreen Science Medicinal Materials ConservationReduce pollution and other issuesCleaning using liquidsChemicalsUltrasonic assistedMegasonic cleaning
The invention discloses an ultrasonic-assisted washing and maintaining method for radix astragali. The method comprises the following steps that the radix astragali is placed in an ultrasonic washingmachine; after the radix astragali is washed for 30 min to 60 min at the water temperature of 25 DEG C or above, the ultrasonic frequency of 40 kHz and the power of 0.3-0.2 w / cm<2>, the radix astragali is soaked in water, a proper amount of environment-friendly, efficient, natural and nontoxic biological preservative is added, and the radix astragali is ultrasonically soaked for 10 min to 20 min at normal temperature and at the ultrasonic frequency of 40 kHz and the power of 0.3-2.0 w / cm<2>; and the soaked radix astragali is placed in a drying oven of the temperature of 40 DEG C for 2 h, and the radix astragali is collected in a plastic self-sealing bag and placed at a shady and cool, ventilated and dry place to be stored. According to the method, the ultrasonic washing technology cooperates with use of chitosan, so that the radix astragali is thoroughly washed, and the hidden danger of mildew and damage from worms is eliminated in advance; and meanwhile, medicinal materials and the external environment are isolated to a certain degree, and the medicinal material maintenance effects of being safe, efficient, natural, free of chemical pollution, environment-friendly and scientific are achieved.
Owner:定西师范高等专科学校
Protein product capable of fixing target object and being cleared as required
ActiveCN113545996AEasy to prepareGood biocompatibilityCosmetic preparationsBiocideLactalbuminPancreatic hormone
The invention discloses a protein product capable of fixing a target object and being cleared as required. The protein product comprises proteins (lysozyme, bovine serum albumin, whey albumin, insulin, alpha-lactalbumin, fibrinogen, ribonuclease A, cytochrome c, alpha-amylase, horse radish peroxidase, pepsase, myoglobin, collagen, keratin and the like), a protein modifier (a strong oxidant or a strong reducing agent), target fixtures (a coating, a pesticide, a chemical fertilizer, a cosmetic, a medicine and the like) According to the protein product, the target fixture is fixed on the surface of the target by using a protein membrane generated by phase transformation of the protein, so that the utilization rate of the target fixture is improved, and the problems of resource waste, environmental pollution and the like caused by loss of the target fixture are reduced. In addition, as the protein film is decomposed, the target fixture is also effectively removed. The protein serving as the main component is safe and environment-friendly, the biocompatibility is high, the preparation method is simple, and the method has a wide prospect in practical application.
Owner:XIAN MANTES BIOTECHNOLOGY CO LTD
A kind of preparation method of electronic grade triglycidyl isocyanurate
The invention belongs to the technical field of chemical preparations, and particularly relates to a preparation method for electronic-grade triglycidyl isocyanurate. The method specifically comprisesthe following steps: uniformly mixing cyanuric acid, epoxy chloropropane, organic strong base and water, reacting for 1.5 h at 75-80 DEG C; heat-insulating for 1 h at 100 DEG C; in vacuum, 35-40 DEGC, adding sodium hydroxide; vacuum-unloading, removing a solid phase, adding clear water to mother liquor, stewing and removing superstratum saline water; in vacuum, 60-70 DEG C, evaporating a part ofepoxy chloropropane from the substratum mother liquor; placing a distilled material in a crystallization kettle, stirring, at 8-10 DEG C, and removing a liquid phase; decompressing the solid phase, and microwave-drying, to obtain a final product. The catalyst is the organic strong base which does not contain halogen, and the final product has not a halide ion residue. A cyclization process is alkalified in vacuum, so epoxy chloropropane hydrolysis caused by alkaline water and a by-product produced by TGIC cycle opening are avoided. The technical scheme of the preparation method is used, so the product quality is apparently improved, the product cost and the energy consumption are greatly reduced, and the environment is friendly.
Owner:HUANGSHAN JINFENG INDAL
Enzymatic-cell-rich piglet antibiotic-replacement feed composite additive and preparation method thereof
PendingCN112753853AIncrease daily weight gainReduce pollution and other issuesAnimal feeding stuffAccessory food factorsBiotechnologyAnimal science
The invention discloses an enzymatic-cell-rich piglet antibiotic-replacement feed composite additive and a preparation method thereof. The composite additive is composed of probiotics, an enzyme preparation and prebiotics. The composite additive is added into a piglet feed according to a ratio of 500g / t, and can effectively replace piglet daily ration antibiotics. Compared with a basic daily ration, the piglet antibiotic-replacement feed added with the composite additive can improve the daily average feed intake and daily gain of piglets, reduce the diarrhea rate and the feed conversion ratio, and make the growth performance basically consistent with that of an antibiotic group; and the composite additive has good economic benefits and use values.
Owner:YUNNAN NORMAL UNIV
Method for recycling electrolyte substrate waste material of molten carbonate fuel cell
The invention discloses a method for recycling an electrolyte substrate waste material of a molten carbonate fuel cell. The method comprises the following steps of: (1) drying the electrolyte substrate waste material in a drying oven for 5 to 10 hours, and volatilizing an organic solvent in an electrolyte substrate; (2) cutting the electrolyte substrate waste material into fragments, adding a proper amount of absolute ethanol, and soaking for 5 to 10 hours; (3) supplementing an organic solvent of which the component and the mass are the same as those of the organic solvent volatilized from the electrolyte substrate in the step (1), and performing ball milling; and (4) after the ball milling is finished, performing vacuum pumping and the like on the obtained slurry, performing curtain coating to prepare a membrane, and thus obtaining a new electrolyte substrate which can be utilized. By the method, the substrate waste material is effectively utilized, energy sources are saved, and environmental pollution is reduced.
Owner:HUANENG CLEAN ENERGY RES INST
Inductance coupling apparatus and plasma processing equipment applying same
ActiveCN102300383BReduce or even eliminate negative self-biasEliminate Negative Self-BiasVacuum evaporation coatingSputtering coatingRadio frequencyInductance
The invention provides an inductance coupling apparatus used for exciting and maintaining plasma in a technical cavity. The inductance coupling apparatus comprises an inductance coupling coil arranged in the technical cavity, a radio frequency power supply connecting with the inductance coupling coil and a voltage regulating power supply. In a technical process, the voltage regulating power supply loads positive bias to the inductance coupling coil to reduce even eliminate negative self-bias near the inductance coupling coil, problems that the inductance coupling coil is consumed in the technical process, wafer pollution is generated and the like are avoided. The invention also provides plasma processing equipment applying the above inductance coupling apparatus.
Owner:BEIJING NAURA MICROELECTRONICS EQUIP CO LTD
A kind of non-traditional grease heat recycled asphalt mixture and preparation method thereof
The invention belongs to the field of utilization of non-traditional resources in the field of environmental protection and discloses a hot-recycling asphalt mixture containing non-traditional oil. The hot-recycling asphalt mixture is characterized by being prepared from a waste asphalt mixture, new aggregate, new asphalt and a non-traditional oil regeneration agent, wherein the waste asphalt mixture accounts for 30%-60% of the total mass of the waste asphalt mixture, the new aggregate, the new asphalt and the non-traditional oil regeneration agent, the new aggregate accounts for 38%-68% of the total mass of the waste asphalt mixture, the new aggregate, the new asphalt and the non-traditional oil regeneration agent, and the new asphalt accounts for 1%-2% of the total mass of the waste asphalt mixture, the new aggregate, the new asphalt and the non-traditional oil regeneration agent; the non-traditional oil regeneration agent accounts for 1%-3.5% of the mass of waste asphalt in the waste asphalt mixture. The implementing process of the mixture is simple, the regeneration effect is good, and the hot-recycling asphalt mixture is economical and environment-friendly.
Owner:WUHAN UNIV OF TECH
Semi-dry SCR denitration system and method for cement kiln
PendingCN112933954ALow costLow running costGas treatmentDispersed particle separationNitrogen gasCement kiln
The invention discloses a semi-dry method SCR denitration system and method for a cement kiln. The existing cement kiln equipment is utilized; two liquid tanks containing a salt solution of transition metal and an alkaline solution are arranged, and the solutions are conveyed to a reactor to quickly react to become liquid containing metal compound particles in a hydroxide or carbonate form; the liquid containing the metal compound particles is conveyed to a spray gun arranged on a smoke exhaust pipeline, and atomized liquid is sprayed into the smoke exhaust pipeline through the spray gun at high pressure; the liquid is vaporized at a high temperature and decomposed to obtain catalytic particles containing transition metal oxides and composite transition metal oxides; the catalytic particles are fully mixed with the flue gas, flow along with the flue gas and catalyze the flue gas containing a reducing agent and NOX to be subjected to an SCR denitration reaction, and nitrogen and water are generated; the catalytic particles are collected at the dust collector and then enter the preheater system, and the flue gas is catalyzed again to be subjected to the SCR denitration reaction. The invention has the characteristics of low investment, low operation cost, no blockage, no poisoning, high reliability and the like.
Owner:安徽萃智环保科技有限公司
Method for efficiently preparing stachyose from stachys sieboldii
ActiveCN101717415BImprove qualityTake advantage ofSugar derivativesUltrafiltrationUltrafiltrationReverse osmosis
The invention provides a method for efficiently preparing stachyose from stachys sieboldii. The method is characterized by comprising the following steps: taking Chinese traditional vegetable stachys sieboldii as a raw material; extracting the stachyose by adopting a pure water homogenate method; and spraying and drying after the processes of filtering a homogenate by a cloth bag; decolorizing the filtered homogenate with macroporous resin, performing ultrafiltration purification and reverse osmosis concentration, and the like, wherein a reverse osmosis permeate liquid is used as water for the homogenate and the resin decolonization elution in the production and the like, so not only resources can be used fully to meet the requirement on production water supply, but also the influence on the purity of the stachyose in the whole production system, caused by pollutants such as saline matters and the like in a natural water source, can be reduced to further improve the purity and the quality of the stachyose. By using the method of the invention, the extraction rate of the stachyose prepared can reach 75 and 85 percent, the purity of the stachyose in a product reaches over 90 percent, and the total recovery rate of the stachyose in the whole process reaches over 60 percent. The method combines a traditional extraction method and a modern separation method, has a simple process and a large handling capacity, is suitable for industrial production, and simultaneously has high product purity, saves resources and the production cost, and has good economic benefits and ecological benefits.
Owner:上海国矗生物科技有限公司
Intelligent anti-roll device for single-column bridge
ActiveCN113774818AImprove overturning stabilityImprove construction efficiencyBridge structural detailsBridge erection/assemblyBridge deckStructural engineering
The invention relates to the technical field of bridge reinforcement, in particular to an intelligent anti-roll device for a single-column bridge, which comprises a bridge column and a bridge body supported on the bridge column, and further comprises an anti-roll mechanism arranged on the bridge column and used for inhibiting the bridge body from inclining towards one side; the lubricating mechanism is used for carrying out lubricating and rust-proof treatment on a hinged part in the anti-roll mechanism, the lubricating mechanism is arranged on the bridge column, and the lubricating mechanism is in transmission connection with the anti-roll mechanism; the stirring mechanism is arranged on the bridge column, the stirring mechanism is used for stirring and mixing lubricating oil, and the stirring mechanism is connected with the lubricating mechanism through hydraulic transmission. According to the intelligent anti-roll device for the single-column bridge, the anti-roll mechanism is arranged on the bridge column, so that the anti-overturning stability of the single-column bridge is improved, and the problem that the safety of a bridge deck system of the existing single-column bridge is damaged due to rapid development of heavy traffic and serious overload of transport vehicles is solved.
Owner:湖南民族职业学院 +1
Export condensation and recovery purification method for coke oven raw gas of coal gangue pyrolysis gasification
ActiveCN103224818BTake advantage ofReduce pollution and other issuesGas purification with selectively adsorptive solidsGas purification by non-gaseous materials condensationPurification methodsEvaporation
The invention discloses an export condensation and recovery purification method for the coke oven raw gas of coal gangue pyrolysis gasification. The method includes the steps of: (1) providing a heat source for coal gangue pyrolysis gasification by heat storage and exchange and alternate combustion of purified coal gas; (2) letting carbon in a coal gangue pyrolysis solid product encounter superheated steam to undergo a water gas reaction so as to generate water gas; (3) exporting coke oven raw gas; (4) spraying ammonia water on the exported coke oven raw gas to lower the temperature so as to form a mixed solution of coal tar and ammonia water; (5) subjecting the mixed solution of coal tar and ammonia water to precipitation separation; (6) leaving the cooled coke oven raw gas to active coke adsorption, applying the adsorbed clean gas to storage or combustion, and subjecting saturated active coke to evaporation regeneration; and (7) fractionating evaporation regenerated light oil, crude benzene, a three-oil mixture, anthracene oil and other ingredients. The method provided in the invention recovers and purifies the coke oven raw gas in coal gangue pyrolysis gasification, realizes extraction and utilization of carbon, oil, gas and other substances in the coke oven raw gas, and has good economic value.
Owner:SHANXI XINLI ENERGY TECH
Guide, condensation, recovery and purification device of raw gas of coal gangue pyrolysis and gasification
ActiveCN103224819BTake advantage ofReduce pollution and other issuesGas purification with selectively adsorptive solidsGas purification by non-gaseous materials condensationEngineeringGas concentration
The invention discloses a guide, condensation, recovery and purification device of a raw gas of coal gangue pyrolysis and gasification. The guide, condensation, recovery and purification device comprises a coal gangue pyrolysis and gasification device including a coal gangue pyrolysis device and a water gas reaction device, a raw gas guide device, a raw gas condensing device and a raw gas recovery and purification device, wherein the raw gas guide device comprises a raw gas concentration chamber, an inner guide channel, an outer guide channel, a main guide channel and an annular guide channel; the raw gas condensing device comprises a condensing shell, a regulating wheel, a screw thread regulating rod, a valve cover, a valve seat, a gas collecting pipe and an aqueous ammonia spray head; the raw gas recovery and purification device comprises a coal tar and aqueous ammonia mixed gas-liquid guide pipe, a coal tar and aqueous ammonia precipitation tank, an air cooler, a coal gas blower set, a dry recycler of active coke, a bucket elevator of the active coke, a regenerator of the active coke, a rectification tower and an oil-and-gas air cooler; the raw gas guide device is communicated with the raw gas condensing device; and the raw gas condensing device is communicated with the raw gas recovery and purification device. The guide, condensation, recovery and purification device can recover and purify the raw gas so as to facilitate utilization.
Owner:SHANXI XINLI ENERGY TECH
A kind of natural concentrated dietary fiber and its preparation method
Owner:HUNAN AGRICULTURAL UNIV +1
Method for preparing oxygen vacancy type metal oxide with controllable acid etching effect
PendingCN113526567ASimple preparation processLow costCell electrodesCobalt oxides/hydroxidesAcid etchingOrganic acid
The invention relates to the technical field of functional metal compound modification, in particular to a method for preparing an oxygen vacancy type metal oxide with a controllable acid etching effect. The method comprises the following steps: preparing an inorganic acid or organic acid solution with a certain concentration, adding a certain amount of original metal oxide into the acid solution, performing acid etching reaction at 25-50 DEG C for 1-80 hours, performing centrifugation to realize solid-liquid separation, and performing subsequent deionized water and absolute ethyl alcohol washing and drying to obtain the oxygen vacancy type metal oxide. The material preparation process is simple, the condition is mild, the cost is low, the efficiency is high, and large-scale application can be achieved; the oxygen vacancy concentration of the surface interface of the metal oxide can be effectively and accurately regulated and controlled by selecting and adjusting conditions such as the acid liquor category, the temperature and the time of the acid etching reaction and the like; and the reacted acid liquor can still be recycled and repeatedly utilized.
Owner:HUNAN INSTITUTE OF SCIENCE AND TECHNOLOGY
A protein product that immobilizes targets and removes on demand
The present invention discloses a protein product capable of immobilizing target objects and removing on demand, which includes protein (lysozyme, bovine serum albumin, whey albumin, insulin, α-lactalbumin, fibrinogen, ribonuclease A , cytochrome c, α‑amylase, horseradish peroxidase, pepsin, myoglobin, collagen, keratin, etc.), protein modifiers (strong oxidizing or reducing agents), target immobilizers (paint , pesticides, fertilizers, cosmetics, medical drugs, etc.). The invention utilizes the protein film generated by the protein phase transition to fix the target fixed substance on the target surface, thereby improving the utilization rate of the target fixed substance and reducing the waste of resources and environmental pollution caused by the loss of the target fixed substance. In addition, target immobilizers are efficiently removed as the protein film is broken down. The main component protein of the invention is safe and environment-friendly, has high biocompatibility, simple preparation method and broad prospect in practical application.
Owner:西安清秀生态科技有限公司
A method for extracting lignin by ternary deep eutectic solvent
ActiveCN110218335BImprove extraction efficiencyHigh puritySolid solvent extractionAlcohol ethylPhysical chemistry
Owner:GUANGDONG UNIV OF TECH
a vibrator
InactiveCN101758016BBias force adjustmentSmooth startMechanical vibrations separationEngineeringMechanical engineering
A vibrator, comprising a vibrating motor and a vibration-starting component located on its output shaft, the vibration-starting component includes a bracket connected to the output shaft, a cylinder is mounted on the bracket, and the cylinder is divided by a piston There are two chambers, the first chamber is provided with a biasing member that provides a biasing force for the piston, and the end of the second chamber is provided with an inlet and outlet of a fluid medium, and the inlet and outlet are connected to the fluid through a rotary joint arranged on the center of rotation. Control unit connection. It solves the problem that the vibration exciter in the prior art cannot realize the stepless adjustment of the output excitation force, and cannot realize the real-time adjustment of the excitation force under the working state, and is especially suitable for the excitation of industrial controllable large output force device.
Owner:BEIJING GUODIAN FUTONG SCI & TECH DEV
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