38results about How to "Realize absorption and utilization" patented technology

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

The invention discloses a magnetic adsorption cavity type solar particle heat absorber which comprises magnetic solid particles, a cavity frame, three particle conveying devices, a heat preservation cover and the like. Openings are formed in the four sides of the cavity frame. The particle conveying device comprises a conveyor, a particle distributor, a flow control valve, a particle thickness controller, a magnetic force generating device, a particle collector and the like. The magnetic force generating device is continuously arranged in parallel along the lower sides of the horizontal section and the vertical section of the conveying belt, and the particle collector is arranged at the tail end of the magnetic force generating device; one opening of the cavity frame allows sunlight to enter, the other three openings are respectively and completely blocked by vertical sections of conveying belts in the three particle conveying devices, and the conveying belts convey solid particles to the opening to absorb high-density sunlight energy. Magnetic solid particles are adsorbed to the conveying belt through a magnetic field of the magnetic force generating device, the conveying speed of the magnetic solid particles is flexibly controlled through the conveying belt, solar energy on the left side, the right side and the rear side in the cavity is absorbed, and the light-heat efficiency and the service reliability of the magnetic solid particles are effectively improved.

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.

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.

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.

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.

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.

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.