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Fertilizer special for maintaining lawns and preparation method thereof
ActiveCN101638344AIncrease profitImprove physical and chemical propertiesCalcareous fertilisersMagnesium fertilisersPolyvinyl alcoholReaction temperature
The invention discloses a fertilizer special for maintaining lawns and a preparation method thereof. The method comprises the following steps: weighing, mixing and stirring citric acid, zinc sulphatepowder, copper sulphate powder, manganese sulphate powder, ferrous sulphate powder, borax powder, ammonium molybdate and water at a temperature of 80-90 DEG C for 40-60 minutes to prepare trace element chelate fertilizer liquid; weighing, mixing and stirring polyvinyl alcohol, cornstarch and dicyandiamide powder at a reaction temperature of 80-90 DEG C for 40-60 minutes to prepare bonding liquid;uniformly mixing the trace element chelate fertilizer liquid and the bonding liquid according to a mass ratio of 1:4 for spare; weighing, drying, crushing and screening pyrobituminous shale residue, furfural residue, calcium carbonate, magnesium sulphate, urea, diammonium phosphate and potassium sulphate by a screen of 100-120 meshes; uniformly mixing; adding the mixture to a pelletizer; and spraying the mixed liquid to granulate so as to obtain the fertilizer special for maintaining lawns. The invention has the advantages of enough nutrients, good slow release, and the like, prolongs the nutrient-supplying time and protects the biological environment.
Owner:FUSHUN MINING IND GROUP
High-calcium bean sprout and manufacturing method thereof
ActiveCN102499039AHigh degree of fibrosisLow costSeed and root treatmentCultivating equipmentsBiotechnologySocial benefits
The invention discloses a high-calcium bean sprout and a manufacturing method thereof. The high-calcium bean sprout comprises the following raw materials by weight portion: 100 to 200 parts of soybean or mung bean seeds, 2 to 4 parts of pearl powder, 1 to 2 parts of bone powder, 1 to 2 parts of shell powder, 2 to 4 parts of white sugar powder, 2 to 4 parts of milk powder, 5 to 10 parts of sweet wine and 2 to 4 parts of calcium carbonate. The bean sprout manufactured through the method provided by the invention has a higher content of calcium, namely, 100 grams of bean sprouts can contain about 30 milligrams of calcium, so that biotransformation of calcium is realized, and the nutritional value of the bean sprout is very high; compared with numerous calcium supplement products in the market, the high-calcium bean sprout has the advantages that diet cure can be realized, the price is low, no harm is caused when a plenty of such bean sprouts are ate, can be popularized and applied as a novel calcium supplement food, and has favorable economic benefits and social benefits.
Owner:贵州康德农业科技有限公司
Assembly type roof drainage system and construction method
InactiveCN106968404ARealize absorption and utilizationImprove waterproof performanceBuild-up roofsRoof drainageArchitectural engineeringWater repellent
Owner:BEIJING ORIENTAL YUHONG WATERPROOF ENG
Carbon nitride-supported molybdenum nitride nanoparticle photocatalyst, and preparation method and application thereof
InactiveCN108786888AEasy to separateEasy constructionPhysical/chemical process catalystsHydrogen productionPhotocatalytic water splittingDecomposition
The invention discloses a carbon nitride-supported molybdenum nitride nanoparticle photocatalyst, and a preparation method and an application thereof. The preparation method comprises the steps: firstly, preparing ultra-thin precursors of CN and Mo2N, and then preparing a Mo2N aqueous solution and a CN ethanol dispersion solution; and then dropping the CN ethanol dispersion solution into the Mo2Naqueous solution in a 70 DEG C oil bath, stirring and mixing, then centrifuging, washing and drying to obtain the carbon nitride-supported molybdenum nitride nanoparticle photocatalyst. The photocatalyst has the advantages of wide light absorption range, property of high decomposition of water to produce hydrogen, low electrical resistivity, fast current carrier transfer ability, high photogenerated current carrier separation ability, low current carrier recombination rate, good hydrogen evolution circulation stability and the like, is used for photocatalytic decomposition of water to producehydrogen, and has the highest hydrogen production rate reaching 0.89 [mu]mol.g<-1>.h<-1>. The preparation method has the advantages of simple operation, low cost and non-toxic used raw materials, andconforms to production of the concept of environmental protection.
Owner:SHANGHAI UNIVERSITY OF ELECTRIC POWER
In-situ carbon-coated copper-nickel alloy material photocatalyst and preparation method and application thereof
ActiveCN110624550AEasy to separateLower barriers to migrationCatalyst activation/preparationCarbon monoxidePtru catalystHigh carbon dioxide
The invention discloses an in-situ carbon-coated copper-nickel alloy material photocatalyst and a preparation method and an application thereof. The preparation method comprises the steps: firstly, acopper-nickel bimetallic organic framework (CuNiBTC) is prepared through a hydrothermal method, and a CuNiBTC material is obtained through centrifugation, washing and drying; and vacuum sealing is carried out on a sample by using a quartz tube, and calcining is carried out at high temperature to obtain the in-situ carbon-coated copper-nickel alloy nanoparticle photocatalyst. The in-situ carbon-coated copper-nickel alloy nanoparticle photocatalyst has the advantages of wide light absorption range, high carbon dioxide reduction performance, low electrical resistivity, rapid carrier transfer capability, high photon-generated carrier separation capability, low carrier recombination rate and good carbon dioxide conversion cycle stability, is used for near-infrared light catalytic reduction of carbon dioxide, and has the carbon monoxide precipitation rate up to 11.205 [mu]mol*g<-1>*h<-1>. The preparation method is simple to operate and low in cost, the used raw materials are non-toxic, and the product has a certain economic value and conforms to production of the environmental protection concept.
Owner:SHANGHAI UNIVERSITY OF ELECTRIC POWER
Photovoltaic biaxial linkage tracking system
ActiveCN105468025ARealize absorption and utilizationImprove power generation efficiencyControl using feedbackEngineeringSurface plate
The invention provides a photovoltaic biaxial linkage tracking system, and relates to a photovoltaic module subsystem biaxial tracking system. The photovoltaic biaxial linkage tracking system is characterized by comprising a plurality of independent photovoltaic tracking assembly subsystems which are arranged in longitudinal lines in tandem along a first direction and connected through universal couplers. Each photovoltaic tracking assembly subsystem comprises a fixed beam truss structure (220), wherein a plurality of photovoltaic panel installation positions are arranged on the upper front surface of the fixed beam truss structure (220), fixed ends for hauling cables (308) are installed under two sides of the back surface, and the plurality of photovoltaic panel installation positions are used for installing photovoltaic panels; and a first direction rotating shaft of one photovoltaic tracking assembly subsystem in the middle of the subsystems which are arranged in longitudinal lines in tandem is connected to a first direction rotation control mechanism through a universal coupler, the first direction rotation control mechanism controls the rotation of the first direction rotating shaft, and a second direction rotating shaft control rod of the photovoltaic tracking assembly subsystem in the middle of the subsystems which are arranged in longitudinal lines in tandem is connected to a second direction rotation control mechanism.
Owner:同景新能源科技(江山)有限公司
Windproof shakeproof device for high-rise building and using method thereof
InactiveCN111305633AReduce building energy consumptionConsume impact energyProtective buildings/sheltersShock proofingEarthquake resistantEnergy consumption
The invention relates to the field of building anti-seismicity, in particular to a windproof shakeproof device for a high-rise building and a using method of the windproof shakeproof device. The windproof shakeproof device comprises a connecting plate. The connecting plate is fixed to the outer side wall of a building main body through bolts, the connecting plate is vertically arranged, a slidingrod is fixedly arranged at the upper end of the connecting plate, the sliding rod is horizontally arranged, and the sliding rod is slidably connected with a sliding sleeve; a first mass block is fixedly arranged at the bottom of the sliding sleeve, the first mass block is in transmission connection with an acting mechanism, a sliding rail is fixed to the lower end of the connecting plate, the sliding rail is vertically arranged and perpendicular to the sliding rod, a second mass block is slidably connected to the sliding rail, the second mass block is hinged to the first mass block through a connecting rod, and the second mass block is in transmission connection with an energy consumption mechanism. By the adoption of the windproof shakeproof device for the high-rise building and the usingmethod of the windproof shakeproof device, the external force energy applied to the building main body is absorbed and utilized, the impact energy applied to the building main body by the external force is continuously consumed, the damage to the building main body is reduced, and the service life of the building main body is prolonged.
Owner:周崇豪
Welsh onion high-efficiency fertilizer beneficial for improving welsh onion to resist soft rot disease and preparation method thereof
InactiveCN105565984AEasy to absorb and utilizeRealize absorption and utilizationMagnesium fertilisersBioloigcal waste fertilisersNutrientChemistry
The invention discloses a welsh onion high-efficiency fertilizer beneficial for improving welsh onion to resist soft rot disease; the fertilizer comprises the following components in parts by weight: streptomycin sulfate, lanolin, allantoin, dihydromyricetin, chlorogenic acid, phytase, polyaspartic acid, chitosan microspheres, glucose-enriched lactic acid, ultrafine hollow microspheres, soluble small molecular chitosan, magnesium silicate powder, rapeseed hulls, bamboo shoot leaves, ginkgo tree chips, persimmon forest humus soil, beer yeast, a proper amount of mineralized small molecular water and the like. The slow-release disease-control factors easy to absorb and utilize are adopted and are easy to absorb and utilize, and retention of the drug efficacy in the fertilizer preparation process improves the soft rot disease resistance of welsh onion; in addition, with cooperation of a nutrient solution treated by the mineralized small molecular water, vegetable plants fully absorb and utilize nutrient substances, and high-utilization-rate cultivation of the fertilizer is achieved; at the same time, through composting with the modified yeast, the nutrition of the composted main ingredients is enriched, and high-efficiency cultivation of welsh onion is realized commonly.
Owner:WUHU RUNLAN BIOTECH CO LTD
Rare earth doped metal oxide nanometer material and preparation method and application thereof
InactiveCN106025071AEasy transferImprove collection efficiencySolid-state devicesSemiconductor/solid-state device manufacturingRare-earth elementSemiconductor materials
The invention relates to a rare earth doped metal oxide nanometer material and a preparation method and application thereof. Specifically, the nanometer material comprises a metal oxide and rare earth elements doped in the metal oxide, the metal oxide is a semiconductor material, and in terms of total weight of the nanometer material, the doping amount of the rare earth elements is 0.5wt% to 5wt%. The invention also discloses the preparation method and application of the nanometer material. A clad layer (or coating) prepared from the nanometer material is applied into a solar cell as an interface layer, ideal electricity property of an obtained solar cell device can be realized, and absorption and utilization for near infrared photons are realized, so that the photoelectric conversion efficiency of the solar cell is improved.
Owner:NINGBO INST OF MATERIALS TECH & ENG CHINESE ACADEMY OF SCI
Preparation method of premixed meat powder for feed
InactiveCN105166379APrevent rancidityIncrease contentAnimal feeding stuffAsparagus cochinchinensisHigh energy
The invention discloses a preparation method of premixed meat powder for a feed. The preparation method comprises the following steps: mixing galanga, astragalus membranaceus, hawthorn fruits, anises, bay leaves, agastache rugosus, Chinese violet, rush pith, small centipeda herb, asparagus cochinchinensis, eucommia bark and houttuynia cordata, and crushing the mixture to obtain a compound herbal medicine; drying animal fat residues in vacuum and at a low temperature, and crushing; adding active carbon, corn meal, peony seed meal, perillaseed cake residues, green soybean pods, bean curd residues and melon seed shell powder, and uniformly stirring; adding zymophyte, vinasse of yellow rice or millet wine and water, and uniformly mixing; carrying out primary fermentation to obtain a first material; uniformly stirring the first material, the compound herbal medicine, dry aloe powder, tea powder, banana peels, water hyacinths and orange peels, and carrying out secondary fermentation to obtain a second material; draining off the second material, adding animal fat, compound vitamins and compound mineral substances and uniformly mixing; and pressing the mixture into cake, and putting the cake at a shady and ventilated place to obtain the premixed meat powder for the feed. The method is simple and wastes are reduced; and the feed has a high energy value and the food intake also can be facilitated.
Owner:ANHUI TIANZE FEED
Black phosphorus loaded tungsten nitride nanosheet photocatalyst as well as preparation method and application thereof
InactiveCN111330618AEasy to separateEasy constructionCatalyst activation/preparationHydrogen productionPhotocatalytic water splittingNear infra red
The invention relates to a black phosphorus loaded tungsten nitride nanosheet photocatalyst as well as a preparation method and application thereof. Black phosphorus crystals are prepared, and band gaps of the black phosphorus crystals are changed by a high-energy ball milling method, so that black phosphorus nanosheets are obtained; preparing tungsten nitride nanosheets, and growing the tungstennitride nanosheets on the surfaces of the black phosphorus nanosheets through a high-energy ball milling method. Compared with the prior art, the photocatalyst disclosed by the invention has a wide light absorption range; the performance of decomposing water to produce hydrogen is higher; a response also exists in a near-infrared area; cAPABILITY FOR QUICK TRANSFER OF CARRIERS, the photon-generated carrier separation capability is high; the photocatalyst has the characteristics of low carrier recombination rate, certain hydrogen evolution cycle stability and the like, is used for photocatalytic water decomposition hydrogen production, has the highest hydrogen production rate of 188.42 mu mol.g <-1 >. H <-1 > under visible light, and has the hydrogen production rate of 10.77 mu mol.g <-1 >.H <-1 > under the irradiation of light with the wavelength of greater than 700nm; the preparation method is simple to operate and low in cost, and the used raw materials are non-toxic and environment-friendly.
Owner:SHANGHAI UNIVERSITY OF ELECTRIC POWER
Full-spectral response type ammonium tungsten bronze-titanium dioxide composite photocatalyst
InactiveCN106040280AHigh catalytic activityBroad application prospectsPhysical/chemical process catalystsIonTungsten
The invention discloses a full-spectral response type ammonium tungsten bronze-titanium dioxide composite photocatalyst. The photocatalyst is prepared by comprising the following steps: adding 0.1-1.0g of ammonium tungsten into 20-80mL of ethylene glycol, and performing magnetic stirring at 80-200 DEG C; cooling to room temperature, then adding 0.1-1.0g of raw material titanium dioxide, performing ultrasonic dispersion and stirring to obtain suspension; adding 10-80mL of acetic acid into the suspension and stirring to obtain mixed liquid, transferring the mixed liquid into a hydrothermal kettle, and performing hydrothermal reaction for 10-72h at 160-240 DEG C; and centrifuging and washing precipitate sequentially by using deionized water and ethyl alcohol, and drying to obtain the ammonium tungsten bronze-titanium dioxide composite photocatalyst. The phtocatalyst has photocatalytic activity under ultraviolet light, visible light and even infrared spectra, so that the full-spectrum absorption and utilization of sunshine can be realized; and the photocatalyst has wide application prospects in the fields of environment pollution treatment and purification, environment-friendly functional materials, and the like.
Owner:LANZHOU UNIVERSITY
Impact type tunnel instant freezer
ActiveCN111288725APromote circulationRealize absorption and utilizationLighting and heating apparatusStationary refrigeration devicesRefrigerationPhysics
The invention provides an impact type tunnel instant freezer, and relates to impact type freezing equipment. The problems that in the prior art, arrangement is unreasonable, and rapid circulation of airflow is not facilitated are solved. The impact type tunnel instant freezer comprises a conveying belt used for conveying objects, an instant freezing tunnel allowing the conveying belt to pass through and a refrigerating device arranged in the instant freezing tunnel, the refrigerating device comprises an evaporator used for cooling the airflow and a draught fan achieving the airflow circulation, and the conveying belt is covered with a flow guide cover so that the airflow can be guided to the objects on the conveying belt, the draught fan communicating with the inner space and the outer space of the flow guide cover is arranged at the upper part of the flow guide cover, and an air inlet of the draught fan is in communication with the lower part of the conveying belt through an outer airduct positioned outside the flow guide cover. According to the impact type tunnel instant freezer, the airflow circulation is facilitated through reasonable arrangement of the evaporator, the draughtfan and the flow guide cover, the structure is simple, the refrigeration efficiency can be greatly improved, and through the arranged conveying belt changing along with the temperature, the objects on the conveying belt can be stirred in the conveying process.
Owner:SHANGYU GUANFENG FOOD MACHINERY
Catalyst for photocatalytic decomposition of water to produce hydrogen and preparation method thereof
InactiveCN108786887ARealize absorption and utilizationTake advantage ofPhysical/chemical process catalystsHydrogen productionFiberPhotocatalytic water splitting
The invention discloses a catalyst for photocatalytic decomposition of water to produce hydrogen and a preparation method thereof. The catalyst for photocatalytic decomposition of water to produce hydrogen is a WN / TiO2 composite material having a nano-fiber morphology, contains five elements of W, Ti, N, C and O, has low photogenerated electron-hole composite ratio and can absorb ultraviolet-visible-near infrared light. The preparation method comprises the steps: firstly, preparing WN, then carrying out ultrasonic dispersion of WN and TiO2 in DMSO, then adding PAN, and carrying out electrostatic spinning of the obtained spinning solution; and drying obtained WN / TiO2 fibers, then carrying out primary calcination in air, then carrying out secondary calcination in NH3, and then cooling to room temperature to obtain the catalyst for photocatalytic decomposition of water to produce hydrogen. The catalyst successfully responds to ultraviolet, visible and near infrared light without noble metal doping. The preparation cost is low, the material is non-toxic and the performance is excellent. The catalyst has broad application prospects in photocatalytic decomposition of water to produce hydrogen.
Owner:SHANGHAI UNIVERSITY OF ELECTRIC POWER
Compound near-infrared light photocatalyst as well as preparation method and application thereof
ActiveCN113413907AEasy to prepareEasy to mix evenlyWater/sewage treatment by irradiationWater treatment compoundsPtru catalystPhotochemistry
The invention discloses a compound near-infrared light photocatalyst and a preparation method and application thereof. CeF3-O serving as a main catalyst and silver nitrate serving as a cocatalyst are compounded according to a certain proportion, Ag nano-particles are deposited on the surface of CeF3-O under near-infrared light illumination, carrier separation is promoted through the surface plasma resonance effect, and meanwhile, tetracycline hydrochloride is efficiently degraded. The CeF3-O serves as a main catalyst, has a unique intermediate energy level structure, can directly absorb near-infrared light to generate photo-induced electron-hole pairs, and is essentially different from a composite catalyst which performs near-infrared catalysis through hot electron injection by utilizing the surface plasma resonance effect of Ag nanoparticles. In addition, the CeF3-O is used as a main catalyst, ethylene diamine tetraacetic acid is used as a cocatalyst, and the near-infrared light catalyst compounded according to a certain proportion can also efficiently degrade tetracycline hydrochloride. The process is simple, the compound photocatalyst is good in near-infrared light response, and the tetracycline hydrochloride degradation efficiency is effectively improved.
Owner:浙江省科创新材料研究院
Arc energy concentrating cover
InactiveCN101881521ARealize absorption and utilizationReduce churnSolar heat devicesSolar thermal energy generationLight energyLight beam
The invention relates to an arc energy concentrating cover, in particular to an energy concentrating cover suitable for a solar heat collecting device, and belongs to the technical field of development and utilization of solar energy. The arc energy concentrating cover comprises a cover body consisting of a hemispherical shell and an optothermal radiation reflection layer. An insulating layer is formed between the hemispherical shell and the optothermal radiation reflection layer. A cavity in the optothermal radiation reflection layer is an energy collecting cavity. The bottom of the hemispherical shell is also provided with beam incidence holes. The arc energy concentrating cover of the invention is a double-layer heat preservation device body, can realize adsorption and utilization of energy reflection, enables the light almost totally adsorbed and effectively reduces energy drain.
Owner:孙立民
Fertilizer special for maintaining lawns and preparation method thereof
ActiveCN101638344BIncrease profitImprove physical and chemical propertiesCalcareous fertilisersMagnesium fertilisersMass ratioPolyvinyl alcohol
The invention discloses a fertilizer special for maintaining lawns and a preparation method thereof. The method comprises the following steps: weighing, mixing and stirring citric acid, zinc sulphate powder, copper sulphate powder, manganese sulphate powder, ferrous sulphate powder, borax powder, ammonium molybdate and water at a temperature of 80-90 DEG C for 40-60 minutes to prepare trace element chelate fertilizer liquid; weighing, mixing and stirring polyvinyl alcohol, cornstarch and dicyandiamide powder at a reaction temperature of 80-90 DEG C for 40-60 minutes to prepare bonding liquid;uniformly mixing the trace element chelate fertilizer liquid and the bonding liquid according to a mass ratio of 1:4 for spare; weighing, drying, crushing and screening pyrobituminous shale residue, furfural residue, calcium carbonate, magnesium sulphate, urea, diammonium phosphate and potassium sulphate by a screen of 100-120 meshes; uniformly mixing; adding the mixture to a pelletizer; and spraying the mixed liquid to granulate so as to obtain the fertilizer special for maintaining lawns. The invention has the advantages of enough nutrients, good slow release, and the like, prolongs the nutrient-supplying time and protects the biological environment.
Owner:FUSHUN MINING IND GROUP
Organic laminated solar cell unit and preparation method thereof
PendingCN112038363AImprove light absorption efficiencyImprove photoelectric conversion efficiencySolid-state devicesSemiconductor/solid-state device manufacturingOrganic solar cellSpectral response
The invention discloses an organic laminated solar cell unit, which is of a laminated structure, and sequentially comprises an electrode layer, a first electron transport layer, a first active layer,a first hole transport layer, a second electron transport layer, a second active layer, a second hole transport layer and a metal back electrode from bottom to top, wherein two active layers are arranged in the cell unit and are separated by an intermediate transmission layer consisting of the first hole transport layer and the second electron transport layer to improve the light absorption efficiency so as to improve the photoelectric conversion efficiency, when the materials of the first active layer and the second active layer are different, absorption and utilization of sunlight in different wave bands can be realized so as to expand the spectral response and reduce the energy loss, and a flexible organic solar cell may be obtained when the organic laminated solar cell unit is locatedon a flexible substrate.
Owner:NINGBO INST OF MATERIALS TECH & ENG CHINESE ACADEMY OF SCI
Porous nitrogen-doped carbon nanofiber dispersed nickel and molybdenum phosphide photocatalyst as well as preparation and application thereof
ActiveCN113398966AImprove adsorption capacityImproving the performance of photocatalytic reduction of carbon dioxidePhysical/chemical process catalystsCarbon monoxideFiberCarbon fibers
The invention relates to a porous nitrogen-doped carbon nanofiber dispersed nickel and molybdenum phosphide photocatalyst as well as preparation and application thereof. The preparation method comprises the following steps: (1) heating and dissolving MoCl5, Ni(NO3)2.6H2O, PS and PAN in DMF to obtain a spinning solution; (2) performing electrostatic spinning on the spinning solution to obtain a carbon fiber membrane; and (3) placing the carbon fiber membrane in a tubular furnace, firstly adopting sodium hypophosphite for pre-phosphorization, and then calcining and carbonizing the component to obtain a target product. The prepared catalyst has a wide light absorption range, the capability of reducing carbon dioxide (CO2) under visible light is greatly improved, and the catalyst shows excellent selectivity of reducing CO2 into carbon monoxide (CO). Meanwhile, the photocatalyst has the advantages of low resistivity, rapid carrier transfer capability, high photon-generated carrier separation capability, low carrier recombination rate, good CO2 reduction cycle stability and the like.
Owner:TONGJI UNIV
Composite film for photocathode protection and its preparation method and application
ActiveCN114085043BImprove absorption and utilization efficiencyExpand the scope of absorptionElectrolytic inorganic material coatingPhotocathodeEngineering structures
Owner:QINGDAO TECHNOLOGICAL UNIVERSITY
Magnetic adsorption cavity type solar particle heat absorber
PendingCN114811978ASimple structureReliable operationSolar heating energySolar heat collector controllersHeat conservationSunlight
Owner:HUNAN UNIV OF SCI & TECH
Wind turbine set
PendingCN107781115AIncrease profitReduced start-up wind speed requirementsWind motor combinationsMachines/enginesImpellerWind force
The invention belongs to the technical field of wind generation, particularly relates to a wind turbine set, aims to solve the problems of low wind energy utilization rate and low power generation efficiency when conventional wind turbines work in areas with complex wind conditions and discloses the wind turbine set. The wind turbine set comprises an outer energy collecting barrel, a bearing base,an anti-direction dual-rotor motor, a resistance type impeller and a lift type, wherein the anti-direction dual-rotor motor is located between the outer energy collecting barrel and the bearing base;the resistance type impeller is vertically arranged, the upper end extends into the outer energy collecting barrel, the lower end extends between the outer energy collecting barrel and the bearing base, and the resistance type impeller is connected with an outer rotor of the anti-direction dual-rotor motor; the lift type impleller is located above the resistance type impeller and connected with an inner rotor of the anti-direction dual-rotor motor; the resistance type impeller and the lift type impeller rotate in opposite directions. Secondary utilization of wind energy can be realized and the wind energy utilization rate and the generation efficiency can be improved by means of the wind turbine set.
Owner:LANZHOU UNIVERSITY OF TECHNOLOGY
Overload protection system and overload protection method suitable for Stirling engine
ActiveCN108119256APlay the role of overload protectionLimit the maximum pressureHot gas positive displacement engine plantsInternal pressureHigh pressure
The invention discloses an overload protection system and an overload protection method suitable for a Stirling engine. The protection system comprises a gas storage tank communicated with a thermal chamber of the Stirling engine. When the internal pressure of the Stirling engine exceeds P0, high temperature and high pressure gas in the engine is under constant pressure and enters the gas storagetank; and when the internal pressure of the Stirling engine is lower than P0, the high pressure gas is under constant pressure and enters the thermal chamber of the engine, which plays a role of overload protection of the engine. Solar energy is absorbed and utilized by arranging the gas storage tank, and compared with a direct heat removal method, the method makes the solar energy utilization rate higher and makes the output power of the engine higher.
Owner:AECC AVIATION POWER CO LTD
Iron carbide composite titanium monoxide nanoparticle photo-thermal catalyst and preparation thereof
ActiveCN111589463AEnhanced light absorptionWide light absorption rangeHydrocarbon from carbon oxidesEnergy inputPtru catalystNanoparticle
The invention relates to an iron carbide composite titanium monoxide nanoparticle photo-thermal catalyst and preparation thereof. The preparation comprises the steps: firstly mixing P25, PAN, DMF andferric nitrate and drying and then calcining for 4 hours at the temperature of 800-850 DEG C in an ammonia atmosphere, and taking out the sample and grinding into powder to obtain the iron carbide composite titanium monoxide nanoparticle photo-thermal catalyst. The catalyst has a wide light absorption range, high methane yield, low resistivity, rapid carrier transfer capability, high photon-generated carrier separation capability, low carrier recombination rate, good carbon dioxide reduction high cycle stability and the like and is used for photothermal catalysis of carbon dioxide to reduce methane, and has a maximum rate of 37.67 [mu] mol.g <-1 >. H <-1 >. The preparation method is simple to operate and low in cost, and the used raw materials are non-toxic and accord with the production concept of environmental protection.
Owner:SHANGHAI UNIVERSITY OF ELECTRIC POWER
An overload protection system and overload protection method suitable for a Stirling engine
ActiveCN108119256BPlay the role of overload protectionLimit the maximum pressureHot gas positive displacement engine plantsProcess engineeringGas holder
The invention discloses an overload protection system and an overload protection method suitable for a Stirling engine. The protection system comprises a gas storage tank communicated with a thermal chamber of the Stirling engine. When the internal pressure of the Stirling engine exceeds P0, high temperature and high pressure gas in the engine is under constant pressure and enters the gas storagetank; and when the internal pressure of the Stirling engine is lower than P0, the high pressure gas is under constant pressure and enters the thermal chamber of the engine, which plays a role of overload protection of the engine. Solar energy is absorbed and utilized by arranging the gas storage tank, and compared with a direct heat removal method, the method makes the solar energy utilization rate higher and makes the output power of the engine higher.
Owner:AECC AVIATION POWER CO LTD
Preparation technology for hydrogen chloride gas based on concentrated sulfuric acid
PendingCN109516439AContinuous dryingRealize absorption and utilizationChlorine/hydrogen-chloride purificationHydrogen chlorideCheck valve
The invention belongs to the technical field of chemical production and specifically relates to a preparation technology for a hydrogen chloride gas based on concentrated sulfuric acid. A hydrogen chloride gas generator adopted by the invention comprises a reaction tank, a support pillar used for supporting the reaction tank, a sulfuric acid inlet / outlet, a hydrochloric acid inlet / outlet, a hydrogen chloride outlet, a pressure valve, a reciprocating mechanism, a mixing unit, a first spring, a conical isolation hood, a first check valve, a motor and a controller; the controller is used for controlling the generator to work; a heat exchanger is used for absorbing and utilizing heat in the generator, so as to avoid heat accumulation in the generator; a fan is used for blowing heat on the heatexchanger into a dehumidifying pipeline for dehumidifying, so as to further reduce the temperature of the generator; hot air entering into the dehumidifying pipeline is capable of taking away moisture on a water-absorbing paper, so that the water-absorbing paper is capable of continuously drying hydrogen chloride gas, drier hydrogen chloride gas can be acquired and the hydrogen chloride gas willnot be influenced in later use.
Owner:董军辉
Impact tunnel quick freezer
ActiveCN111288725BPromote circulationTake advantage ofLighting and heating apparatusStationary refrigeration devicesEngineeringConveyor belt
Owner:SHANGYU GUANFENG FOOD MACHINERY
Composite photoanode film and its preparation method and application
ActiveCN114057406BImprove separation efficiencyAchieving Photocathodic ProtectionCoatingsMarine architecturePhotocathode
The invention belongs to the technical field of marine construction engineering anticorrosion, and in particular relates to a composite photoanode film and its preparation method and application. The preparation method of the composite photoanode film includes the following steps: (1) placing the conductive surface of the conductive glass in an aqueous solution containing manganese salt and molybdate, and undergoing hydrothermal reaction to obtain the MnMoO film attached to the surface. 4 film of conductive glass; (2) by pyrolysis method in the MnMoO 4 Surface deposition of film C 3 N 4 . The composite photoanode film of the invention helps to realize the photocathode protection of the concrete reinforcement of the marine engineering structure, and improves the durability of the concrete structure of the marine engineering.
Owner:QINGDAO TECHNOLOGICAL UNIVERSITY
Tail gas absorption process and device in melamine production process
PendingCN112354328AImprove economic efficiencySimple structureAmmonium nitratesGas treatmentDemisterExhaust gas
The invention relates to the technical field of tail gas treatment, in particular to a tail gas absorption process and device in the melamine production process. The tail gas absorption process in themelamine production process comprises the following steps that tail gas in the melamine production process enters a water absorption tower after being boosted by a Roots blower, ammonia gas, urea andmelamine in the tail gas are absorbed by water, then the tail gas enters a cyclone separator to be separated,the separated tail gas enters a packing section of an acid absorption tower, ammonia gas in the tail gas is further absorbed by acid absorption liquid, then the tail gas enters a bubble cap section, acid mist is absorbed by desalted water, and finally the tail gas is separated by an efficient demister and is discharged after reaching the standard. According to the tail gas absorption process and device in the melamine production process, ammonia gas contained in tail gas is effectivelyabsorbed, the treated tail gas does not contain acid mist, energy is saved, environment friendliness is achieved, and consumption is reduced.
Owner:HOLITECH TECH CO LTD
Premixed meat powder for aquatic product feed
InactiveCN105285497AIncrease contentPromote mouth eatingFood processingClimate change adaptationBiotechnologyCorn meal
The invention discloses premixed meat powder for an aquatic product feed. The premixed meat powder comprises the following raw materials in parts by weight: 170-190 parts of oil residue powder, 5-8 parts of EM original liquid, 20-30 parts of perilla fruit meal, 80-90 parts of corn meal, 50-80 parts of corn cob meal, 30-50 parts of green soy bean pods, 12-18 parts of germ bran, 5-10 parts of chaulmoogra, 2-5 parts of stemona roots, 3-6 parts of areca seeds, 10-13 parts of striga asiatica, 12-15 parts of aloe dry powder, 8-12 parts of garlicin, 20-40 parts of Mexico teosinte, 30-40 parts of Arabian cron , 40-50 parts of oat grass, 20-30 parts of jucerne, 25-34 parts of splendid achnatherum, 8-12 parts of zeolite powder, 4-8 parts of activated carbon, 30-50 parts of animal bait, 5-8 parts of selenium yeast, 2-5 parts of chromium nicotinate and 3-6 parts of ethoxyquin. The premixed meat powder disclosed by the invention is reasonable in nutrition proportioning, and good in palatability, the growth and development speed of aquatic livestocks can be increased, and the attack rate can be reduced.
Owner:ANHUI TIANZE FEED
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