349 results about "Green production" patented technology

The invention belongs to the technical field of peanut oil preparation methods, and particularly relates to a high-quality peanut oil squeezing and peanut protein production process. According to the method, through accurate regulation and control of technological parameters and innovation of key technologies, efficient and synchronous extraction of the grease and the protein is achieved, and the high-quality characteristics of the grease and the protein are maintained. The process disclosed by the invention not only breaks through the technical limitation of mutual restriction of the quality of the two in the traditional extraction, but also remarkably improves the full-component utilization efficiency of the peanut resources, and promotes the upgrading of the peanut industry to the full-component high-valued and green direction.

The invention relates to the technical field of tunnel engineering prefabricated part production, in particular to a large-diameter duct piece independent kiln assembly line conveying prefabricating method and system. S2, a reinforcement cage and an embedded part are installed; s3, concrete is precisely poured and vibrated; s4, pre-curing and surface treatment; s5, carrying out roller way type flow conveying; s6, hydration heat-driven dynamic maintenance is carried out; and S7, demolding and finished product detection. And S8, mold circulation. According to the large-diameter duct piece prefabricating production line, through technical innovation in multiple aspects of mold, conveying, maintenance, control and the like, the core technical problem in existing large-diameter duct piece prefabricating production is solved, high-precision, high-efficiency, low-energy-consumption and green production of large-diameter duct pieces is achieved, and the large-diameter duct piece prefabricating production line has remarkable technical advantages and wide application prospects and is suitable for large-diameter duct piece prefabricating production. The method can be widely applied to infrastructure construction projects such as shield tunnels, open caisson projects and underground comprehensive pipe galleries.

The invention discloses a metal plate connecting or forming device and method based on aluminum foil electric explosion impact force, and relates to the technical field of high-speed forming and connecting of the metal plate machining technology, and the device comprises an upper pressing block, a lower insulating block, a base plate, an objective table and an impact force transmission block; an objective table is slidably arranged on the base plate; the lower insulation block is arranged on the base plate, a working cavity is formed in the lower insulation block, the impact force transmission block is placed in the working cavity, and an aluminum foil is placed at the top of the lower insulation block and connected with a pulse current discharge system; a supporting cantilever is installed on one side of the base plate, and the upper pressing block is arranged on the supporting cantilever. According to the aluminum foil electric explosion impact device, an original aluminum foil electric explosion impact device is improved, a machined metal plate can be better in forming quality or connecting quality, the surface of the plate can be kept clean, environmental pollution is reduced, and green production is achieved.

The invention discloses a high-yield gastrodia elata planting method based on Tilia brachypoda fungus material optimization and seed ramie stress resistance activation. According to the high-yield gastrodia elata planting method based on Tilia brachypoda fungus material optimization and seed ramie stress resistance activation, yield increase and quality improvement are achieved through fungus material composite strengthening treatment and a composite strain synergistic inoculation technology. The method comprises the following steps: (1) fermenting a tilia brachypoda substrate by lactobacillus plantarum and soaking in a nano-composite nutrient solution to form a high-activity bacterial material; (2) nitrogen-fixing bacteria, disease-resistant actinomycetes and armillaria mellea are mixed and inoculated according to the proportion of 3: 1: 1, nitrogen supply is improved, and the occurrence rate of black rot is reduced; 3) activating a GASA stress-resistant gene of the seed hemp through a pulsed electric field (5 kV / cm, 10 microseconds), and enabling the germination rate to reach 88.5% in combination with a calcium signal channel strengthening technology; according to the method, the yield per mu of gastrodia elata is increased by 30%-40%, the gastrodin content is increased by 30% or above, the chemical pesticide dosage is reduced by 55%, the strain passage purity is stable, the method is suitable for large-scale planting in multiple climate areas, and an innovative solution is provided for green production of traditional Chinese medicinal materials.

The invention discloses an SAM hydrolase mutant and application thereof, the specific activation effect of halogen anions (F <->, Cl <->, Br <-> and I <->) on SAM hydrolase (containing MJ1651 wild type and mutant) is found for the first time, and the active sequence of the SAM hydrolase is F <-> > I <-> > Br <-> = Cl <->. According to the method, 400 mM of halide salt is added into a reaction system, so that the catalytic efficiency is improved in a breakthrough manner; the yield of wild type enzyme adenosine is improved by 20-300% (optimally, an F-system); the yield of the mutant R89C is soaring up by nearly 6 times under the action of KF; the activity of the immobilized enzyme is still more than 90% after the immobilized enzyme is repeatedly used for 5 times. The method is easy and convenient to operate, green production is achieved with water as the solvent (three wastes are reduced by 90%), the comprehensive cost is reduced by 41%-80 / kg, and an efficient solution is provided for industrial biological manufacturing of antiviral drug intermediates and the like.

The invention discloses a lignocellulose biomass-based hard carbon negative electrode material as well as a preparation method and application thereof. The method comprises the following steps: carrying out hydrothermal pretreatment on lignocellulose biomass by using low-corrosivity maleic acid, and regulating and controlling the composition of the lignocellulose biomass, the maleic acid and the lignocellulose to obtain a precursor rich in lignin and cellulose; in the pyrolysis and carbonization process, the thermal stability of the precursor is improved, and the lignin can more effectively inhibit the rapid concentrated pyrolysis of cellulose, so that the rearrangement of pyrolysis products is weakened. The method is beneficial for preventing overgrowth of hard carbon graphite microcrystals during high-temperature carbonization, so that the hard carbon material with large interlayer spacing and abundant small-size closed pores is prepared. The hard carbon material shows high specific capacity and excellent rate capability when being applied to the negative electrode of the sodium-ion battery. Meanwhile, xylose and furfural generated by decomposition of hemicellulose in a liquid phase can be effectively collected, and full-component utilization of biomass is achieved. The requirements of green production are met, and industrial application is easy to realize.

The invention relates to the field of PQQ production, in particular to an engineering bacterium for producing pyrroloquinoline quinone and a preparation method of the engineering bacterium. According to the invention, different broad-host shuttle vectors are used, PQQ is expressed in denitrifying hyphomicrobe to synthesize related gene clusters, denitrifying hyphomicrobe engineering bacteria with high yield of PQQ are successfully constructed, and the engineering bacteria have the characteristics of rapid growth, high fermentation yield and the like, and lay a foundation for realizing green production of PQQ.

The invention discloses an agro-ecology intelligent monitoring regulation and control method and system based on machine learning, and relates to the technical field of intelligent monitoring, and the method comprises the following steps: training an attribution model, executing a first operation according to a first calculation result, dividing a farmland area, obtaining a problem reason, compensating the attribution model, and carrying out second regulation and control. Through a result and reason feedback mechanism, the problem that a traditional model cannot be self-corrected is solved, long-term regulation and control reliability is remarkably improved, attribution results are bound with farmland grids, precise operation such as variable fertilization and fixed-point irrigation is supported, resource waste is avoided, investment of chemical fertilizers, pesticides and passivators is reduced while the pollution risk is reduced, and the economic benefit is improved. And cost saving, efficiency increasing and green production are achieved synchronously.

The invention relates to the technical field of building materials, and discloses a low-temperature environment-friendly processing technology of multistage molding powder, which comprises the following steps: mixing fluorine-modified phenolic resin, hydroxylated nitrile rubber and filler to obtain a premix; extruding and pelletizing the premix through a double-screw extruder to obtain master batches; crushing, grinding and grading the master batch, and collecting powder; putting the powder into a fluidized bed, and spraying fumed silica to obtain primary molding powder; and screening molding powder without anti-corrosion level, first-level anti-corrosion, second-level anti-corrosion, third-level anti-corrosion and fourth-level anti-corrosion. The prepared molding powder is comprehensively improved in heat insulation, corrosion resistance, adhesive force and weather resistance, the process adopts low-temperature processing design, the green production concept is met, the molding powder can be widely adapted to different corrosion environments and use requirements, and the molding powder has remarkable practical value and popularization prospects.

The application provides a kind of sodium sulfide nine hydrate and activated olefin / acetylene preparation polyether and its method, belong to sulfur-containing polymer technical field.The structural formula of polyether in the application, R 1 And R 2 Independently be substituted or unsubstituted alkyl, substituted or unsubstituted alkoxy, substituted or unsubstituted aryl, substituted or unsubstituted heteroaryl;The number of carbon atoms of the alkyl is 1-10, the number of carbon atoms of alkoxy is 1-10, the number of carbon atoms of aryl is 1-30, the number of carbon atoms of heteroaryl is 3-30;Substituted alkyl and substituted alkoxy independently are one or more;N is an integer of 2-4000.The application is used as sulfur source sodium sulfide nine hydrate, under the condition of no metal catalyst, polyether is synthesized by polymerization reaction;Reaction condition is mild, reaction is efficient, economic and environmental protection, meet the current green production concept and can avoid the use of dangerous reagent.

The invention belongs to the field of organic synthesis, and discloses tetrahydronaphthalene-1-ketone as well as a preparation method and application thereof.The tetrahydronaphthalene-1-ketone is obtained by mixing tetrahydronaphthalene, carbon nitride and persulfate in an organic solvent (acetonitrile or dichloromethane) and reacting under the illumination condition of 395-457 nm. The preparation method disclosed by the invention is relatively high in yield, conforms to a green production concept, is environment-friendly, low in cost, simple to operate and high in selectivity, and is expected to be used for industrial production.

The present application belongs to the technical field of bisphenol F epoxy resin, and particularly relates to a preparation method of bisphenol F epoxy resin. In a protective gas atmosphere, bisphenol F, epichlorohydrin and an inorganic strong alkali aqueous solution are mixed to perform etherification reaction to obtain a reaction liquid containing chlorohydrin ether; under negative pressure, the inorganic strong alkali aqueous solution is added dropwise to the reaction liquid containing chlorohydrin ether to perform ring closure reaction to obtain bisphenol F epoxy resin; the dropwise adding includes sequentially performing first stage dropwise adding, second stage dropwise adding and third stage dropwise adding. By adopting a two-step method, no solvent or additive is needed in the pre-reaction stage, the dropwise adding procedure of liquid alkali in the main reaction stage is controlled, the alkali utilization rate is effectively improved, the raw material consumption is reduced, the side reaction is reduced, the quality of bisphenol F epoxy resin is improved, the product has high epoxy value and low hydrolyzable chlorine, and the safe and green production level is reached.

This invention relates to a method for preparing the fenelone intermediate 2-cyanoethyl(4S)-4-(4-cyano-2-methoxyphenyl)-5-ethoxy-2,8-dimethyl-1,4-dihydro-1,6-naphthidine-3-carboxylic acid ester, and also relates to diastereomeric salts (Va), (Vb), (Vc), and / or (Vd). This method is simple to operate, and the diastereomeric salts can be obtained with very high chemical and enantiomeric purity (tartrate ester content <0.05%) through a single dissociation, avoiding the raw material loss and waste problems caused by multiple dissociations. It also has low production costs and meets the requirements of green production.

The invention discloses a mineral admixture and a strength detection method thereof, and relates to the technical field of metallurgy, and the mineral admixture comprises the following chemical components in percentage by mass: 50-65% of CaO, 10-30% of SiO2, 2-6% of Al2O3, 3-8% of Fe2O3, 1-3% of MgO, 1-3% of Na2O and the balance of unavoidable impurities. By recycling the waste residues, the problems of high energy consumption, high emission, environmental pollution and the like in the iron and steel industry are effectively solved, and the green production cycle of iron and steel enterprises is realized. Meanwhile, the performance test of the mineral admixture is realized through small sample detection, so that the number of detection samples is reduced, and the detection cost is reduced while the performance detection is met.

The application discloses a multi-stage screening device and method for sand and gravel aggregate treatment, relates to the technical field of sand and gravel aggregate screening, and comprises a material transfer warehouse, a discharging port intelligent adjusting device, a warehouse-under belt coarse screening mechanism, a crusher, a transfer bin material control unit, a three-cavity gap adjusting mechanism of the crusher, a molding rate detection unit, a secondary screening mechanism and an intelligent control center. The application adopts a technical chain of non-contact detection-intelligent linkage-data closed loop, solves the problems of detection lag, rough adjustment and high energy consumption in traditional processes, realizes accurate, flexible and green production of sand and gravel aggregate grading, provides a high-performance aggregate solution for the fields of building and traffic, and has remarkable economic and social benefits.

The invention discloses an all-vanadium redox flow battery electrode and a modification method thereof, and the modification method comprises the following steps: dipping a carbon-based material in a treating agent aqueous solution, the treating agent being one or more of ammonium sulfate, ammonium bisulfate and ammonium persulfate; and carrying out drying treatment and pyrolysis treatment on the impregnated carbon-based material to obtain the all-vanadium redox flow battery electrode. According to the method, ammonium sulfate, ammonium bisulfate or ammonium persulfate is decomposed into NH3, H2O and SO3, H2SO4 is generated from SO3 and H2O, the surface of the carbon felt is subjected to mild etching, the pore structure of the surface of the carbon felt is increased, the reaction activity specific surface is improved, meanwhile, sulfur and nitrogen atoms are embedded into a carbon skeleton to form a doped structure, sulfur and nitrogen are introduced through the double-doping effect, and the catalytic activity of the oxidation-reduction reaction of vanadium ions (VO2 + / VO2 + and V2 + / V3 +) is enhanced. The modification method provided by the invention is simple and environment-friendly in process, avoids discharge of strong acid waste liquid, does not need a cleaning step, and meets green production requirements.

The invention discloses a continuous opening-modifying integrated production system and method for pavement reinforcing fibers, and provides the following scheme aiming at the problems that existing pavement reinforcing fibers are prone to secondary agglomeration, poor in stability and low in production efficiency. Pavement reinforcing fibers comprise lignin fibers and basalt fibers, and the system is used for continuous and integrated production of the two fibers. The system comprises a raw material pretreatment unit, a multi-stage opening and dispersing unit, an integrated modification unit, a continuous conveying unit, an intelligent control unit and a finished product collecting unit which are connected in sequence, opening and modification integrated continuous production is achieved, the intermediate storage and transfer link is eliminated, the production efficiency is improved, the production cost is greatly reduced, and the modification uniformity is remarkably improved. The product batch difference is small, the whole process is intelligently controlled, manual intervention is reduced, energy consumption is reduced, the green production requirement is met, the product is suitable for various road surface scenes, the crack resistance and rut resistance of a road can be remarkably improved, and the service life is prolonged.

The method comprises the following steps: (1) adding a manganese source, a catalyst and an additive, and introducing oxygen-containing gas to carry out a reaction, so as to obtain mixed slurry; (2) carrying out solid-liquid separation to obtain a mother solution and a solid product, and carrying out post-treatment on the solid product to obtain battery-grade manganous-manganic oxide; and (3) adjusting the pH value of the mother liquor to 7-11, carrying out solid-liquid separation to obtain and treat a manganous-manganic oxide product, and recycling the mother liquor as a base solution or process water in the step (1). The method adopts a basic pH regulation-precipitation method to recover manganese and purify the mother liquor, greatly reduces equipment investment and daily operation and maintenance cost, does not need to depend on other processes for absorption, is short in process flow, clear and easy to control control parameters, is easy to implement and popularize on an existing production line, realizes closed-loop circulation of water, and is suitable for industrial production. New water consumption and wastewater discharge are greatly reduced, the green production requirement is met, and the produced product has good morphology and tap density.

The invention discloses a method for preparing lobster sarcosinine by using nereis as a raw material, and the lobster sarcosinine is prepared by adopting a combined process of reverse phase silica gel column chromatography, gel column chromatography, normal phase silica gel column chromatography and HPLC (High Performance Liquid Chromatography) preparation. Compared with a traditional lobster extraction method for preparing lobster sarcosinine, the method provided by the invention can realize high-purity separation of a target product; and the methanol solvent used in the process can be recycled through distillation, thereby conforming to the concept of green production. Therefore, deep development and efficient utilization of marine resources can be promoted, natural marine drug resource reserve is enriched, a new direction is provided for research and application in the fields of healthy development of human beings and disease prevention and control, and remarkable social benefits are achieved.

The product flow system comprises the following steps: preliminary processing of the surface of a copper processing product; keeping the surface of the copper processing product in a non-oxidized color-changing state; transferring the copper product and removing cutting fluid on the surface of the copper product; preventing residual cutting fluid; opening a carbon hydrogen cleaning machine, and automatically cleaning the copper processing product taken out from a cutting water agent tank through the carbon hydrogen cleaning machine; taking and storing the product; the product flow system provided by the application reduces the corrosion of copper by cutting fluid in the flow process, reduces the oxidation of copper body, removes water on the surface of copper, and makes the workpiece cleaning more clean. The copper product itself is processed and reserved, and subsequent soaking of cutting fluid is further recycled, which ensures industrial green production and does not pollute the environment.

The invention discloses a green low-carbon production method of an HG785 steel plate by replacing hardening and tempering with direct quenching and tempering, the thickness of the steel plate is 30-50mm, and the production method comprises the following steps: smelting and continuously casting various components according to a reasonable proportion; heating and rolling; directly quenching; two-phase region coupling tempering; and after discharging, performing air cooling or water mist cooling to room temperature to obtain a finished steel plate. The production method provided by the invention is high in universality, low in modification requirement on an existing medium-thickness plate production line (with accelerated cooling and tempering capabilities), easy to realize industrial large-scale production and remarkable in economic benefit and social benefit; through the collaborative design of'component fine adjustment and gradient quenching + two-phase region coupling tempering ', the mechanical property of the steel plate comprehensively reaches the standard (the yield strength is larger than or equal to 785 MPa, and the impact energy stability at the temperature of-40 DEG C is larger than or equal to 80 J) while greenness and low carbon are achieved, it is proved that'green production and product performance improvement can be synchronously achieved', and the practicability and popularization value of the green low-carbon technology are further enhanced.

This invention provides a method for producing vitamin B12 using microchannel reaction technology. The method involves acidifying, hydrolyzing, filtering, and analyzing the vitamin B12 fermentation broth, followed by a cyanidation reaction in a microchannel reactor. Further filtration, analysis, and concentration yield vitamin B12. This method produces cyanide-treated vitamin B12 with a thorough conversion reaction and increased yield. It also reduces the amount of cyanide used, thus reducing pollution and costs. The equipment has good airtightness, and the small amount of hydrogen cyanide gas generated is completely recovered and centrally treated, greatly reducing harm to the environment and human health. This method is environmentally friendly and contributes to green production.

The invention relates to the technical field of meteorological balloon product production, in particular to a water-based separant as well as a preparation method and application thereof. The water-based separant comprises the following raw materials in parts by mass: 8-32 parts of nanoparticles, 40-52 parts of modified vegetable oil polyester, 4.8-14 parts of a plasticizer, 3-6 parts of microcapsules and 8-39.2 parts of a pH regulator. According to the water-based separant, the demolding efficiency is remarkably improved, so that the production cycle of a rubber product or a silica gel product is greatly shortened, and the production efficiency is improved; vOC emission is greatly reduced, the trend of modern industrial green production is met, and environment protection and worker health protection are facilitated; the surface quality of a rubber product or a silica gel product thin product is improved, the defective rate caused by improper demolding is reduced, and the stability of the product quality is ensured.

This invention relates to the field of agricultural environment and soil fertilizer technology, and in particular to a method for increasing paddy field yield and reducing N2O emissions by regulating the application rate of zero-valent iron. The method includes the following steps: at the early tillering stage of rice, zero-valent iron is mixed with tillering fertilizer and applied to the paddy field soil; the application rate of zero-valent iron is 20-50 mg / kg (dry soil basis). ‑1 The method involves applying booting fertilizer to the paddy soil during the early booting stage of rice, and irrigating throughout the entire rice growth cycle. This invention, by applying an appropriate amount of zero-valent iron in a single application on top of conventional fertilizer application, can synergistically achieve greenhouse gas emission reduction and increased grain yield, providing a feasible path for green production in paddy fields.

The invention relates to the technical field of novel ink, and discloses an ink high-end coating for surface printing treatment and a preparation method thereof, the ink high-end coating comprises the following raw materials by mass: 40-60 parts of modified waterborne polyurethane, 2-8 parts of modified self-repairing microcapsules, 3-8 parts of a pigment, 0.3-1.0 part of an antifoaming agent, 0.2-0.8 part of a thickening agent, and 15-30 parts of deionized water. The ink coating disclosed by the invention has the advantages of good compatibility, difficulty in layering and agglomeration, excellent self-repairing function and adhesive force, remarkable beneficial effects, simple and controllable preparation process, no need of complex equipment, reasonable cost and good environmental protection property, conforms to the green production concept, and is suitable for industrial production. The high-performance requirements of special fields such as ships, airplanes, high-speed rails and ocean engineering on the ink coating can be met, and wide application prospects are achieved.

The invention relates to the technical field of natural rubber processing, and particularly discloses a natural rubber latex preservative and a preparation method thereof. The preservative is prepared from modified nano titanium dioxide, ethylparaben, enzymolysis chitosan, immobilized lysozyme, pentaerythritol ester, sodium hydrosulfite, rosmarinic acid, potassium ferrocyanide, an acrylic acid-chitosan copolymer and the balance of deionized water. The preparation method comprises the steps of enzymolysis chitosan solution preparation and enzyme compounding, organic phase emulsification, nano component ultrasonic dispersion and vacuum defoaming aging, wherein the intermittent ultrasonic temperature control process guarantees the biological activity. The preservative can replace traditional ammonia water to be used for natural latex preservation, and has the advantages of being high in bacteriostasis and oxidation resistance synergism, high in colloid stability, environmentally friendly, safe and free of residues; according to the preparation method, through low-temperature enzyme protection and nano interface engineering innovation, the problems of biological inactivation and particle agglomeration in a traditional process are solved, and efficient and green production is achieved.

The invention relates to the technical field of paint preparation, in particular to a preparation method of a solvent-free polyurethane breathable coating for cloth, and the preparation method of the solvent-free polyurethane breathable coating for cloth comprises the following steps: S1, treating base material cloth by adopting plasma, and drying in a drying oven after treatment to obtain pretreated base material cloth; s2, the surface of the pretreated base material cloth is coated with a solvent-free polyurethane breathable coating, and the coated cloth is obtained; and S3, performing segmented curing on the coated cloth, and after curing is completed, naturally cooling to room temperature to obtain the solvent-free polyurethane breathable coating for the cloth. The coating is excellent in environmental protection performance and low in VOCs content which is far lower than that of a traditional solvent type coating, and meets the green production requirement; the air permeability and the waterproof performance are synergistically optimized, the fabric is high in air permeability, high in wetting grade and good in hydrostatic pressure water resistance, and the problem that the two are difficult to balance in a solvent-free technology is solved.

The invention belongs to the technical field of drug synthesis, and particularly relates to a method for preparing abesilib through substitution, nucleophilic addition and multi-step coupling reaction by taking 1, 3-dimethyluracil as an initial raw material, which comprises the following six steps: S1, preparing an intermediate II; s2, preparing an intermediate III; s3, preparing an intermediate IV; s4, preparing an intermediate V; s5, preparing an abesilib crude product; and S6, preparing an abesilib product. According to the invention, the core problems of high raw material cost, tedious steps, harsh conditions, poor safety, high environmental protection pressure and the like in the synthesis of the abelsilib are solved, and a technical scheme with extremely high competitiveness is provided for large-scale and green production of the abelsilib.

The invention discloses a method for producing nickel-chromium-iron alloy, and belongs to the technical field of metal smelting. In the smelting process of the nickel-chromium-iron alloy, a smelting catalyst composed of tantalum powder and yttrium nitride is used, so that the quality of a smelted product is not affected, the power consumption is reduced, and the problem that in the traditional process, due to the fact that the melting points of nickel, chromium and iron serving as main components in the nickel-chromium-iron alloy are high, the smelting temperature is low is solved. The invention solves the problems of large energy consumption in the smelting process due to the improvement of the technology, realizes the energy conservation and consumption reduction, is beneficial to the green production and transformation and upgrading of enterprises, and has important economic value and social benefit.

The application provides a continuous gradation high-quality concrete green production line, and relates to the technical field of concrete production. The lower end of the concrete mixing bin is provided with a supporting seat through bolt installation, the left side of the supporting seat is fixedly provided with an arc-shaped vehicle positioning plate, the lower end of the concrete mixing bin is provided with two groups of first motors through bolt installation, and the output shafts of the two groups of first motors are fixedly provided with belt pulleys. In the raw material processing link, the gradation control of aggregates such as sand and gravel is more accurate, for example, the first crushing shaft and the second crushing shaft in the crushing bin work cooperatively, can crush the aggregates to the ideal particle size range, and through reasonable setting and control of the stirring wheel, the continuous and stable gradation output is realized, so that the produced concrete is more in line with the engineering design requirements in performance, the effective utilization rate of resources is improved, and the material waste and quality problems caused by unreasonable gradation are reduced.