199 results about "Green manufacturing" patented technology

The invention relates to the technical field of biological catalysis, and discloses an M88V mutant enzyme for preparing rebaudioside I. The M88V mutant enzyme is obtained by the following mutations generated by UGT76G1: M88V: methionine of the 88th amino acid sequence of UGT76G1 is mutated into valine. Aiming at the technical bottlenecks of low RI yield and poor selectivity in the existing RA biotransformation process, an efficient solution is provided for the UGT76G1 mutant developed by the invention. The mutant can specifically catalyze conversion from RA to RI, and the conversion rate of a target product is remarkably increased to 65% or above from general less than 7%. The excellent catalytic performance of the catalyst is verified in milliliter-level to upgraded reaction systems, the key problems of conversion efficiency and process amplification are solved, and a foundation is laid for large-scale green manufacturing of a high-added-value product RI.

The present invention relates to an optimization method for integrated joint scheduling of production and logistics in a flexible job shop (FJSP) having a plurality of different types of automated guided vehicles (AGVs). The invention belongs to the field of assembly workshop production scheduling. Comprising the following steps: 1) according to a special assembly workshop machine and AGV combined scheduling process, Tent chaotic mapping is adopted to initialize a scheduling scheme and encode the scheduling scheme; 2) performing iterative optimization adjustment on the scheduling scheme through an improved multi-target artificial bee colony algorithm; and 3) carrying out production scheduling by using the optimized scheduling scheme. According to the method, the maximum completion time and the total energy consumption are optimized at the same time, the production efficiency is concerned, the requirements of green manufacturing and sustainable development are also considered, and enterprises are helped to achieve cost reduction and efficiency improvement, especially in the production process sensitive to energy consumption.

The invention belongs to the technical field of inorganic chemical material preparation, and discloses a high-selectivity crystallization and impurity migration inhibition method of high-purity magnesium hydroxide. The method comprises the following steps: a phenylphosphonic acid surface modifier is introduced in the initial stage of crystallization, molecules of the phenylphosphonic acid surface modifier selectively occupy high-activity Mg < 2 + > sites of a magnesium hydroxide crystal face through bidentate coordination, and a molecular-level interface barrier with steric hindrance and electrostatic repulsion effects is formed, so that a Ca < 2 + > migration path is specifically blocked, and Mg < 2 + > crystallization is not influenced. The preparation method of the high-purity magnesium hydroxide is high in selectivity, high in efficiency, low in cost and environmentally friendly, the interface adsorption behavior of calcium ions is accurately intervened in the initial stage of crystallization through a molecular level surface engineering means, the technical bottleneck that impurity migration and lattice doping are difficult to control in a traditional process is fundamentally solved, and the preparation method is suitable for industrial production. And a brand new technical path is provided for green manufacturing of high-performance inorganic functional materials.

The invention discloses a silicon-free low-hardness high-thermal-conductivity gasket and a preparation method thereof. The silicon-free low-hardness high-thermal-conductivity gasket is prepared from the following raw material components: epoxy resin, a polyether amine curing agent, polyether polyol, a reactive diluent, a curing accelerator, a thermal-conductivity filler and a flame retardant, and the epoxy resin is prepared from liquid epoxy resin and flexible epoxy resin. According to the invention, a moderate cross-linked network system is constructed by introducing flexible epoxy resin and liquid epoxy resin, and a chemically bonded soft-hard alternating microphase separation structure is formed by embedding a long-chain aliphatic flexible segment into an epoxy rigid skeleton based on a molecular flexible regulation and control and multi-scale heat-conducting network synergistic construction principle; and by combining the physical stacking effect of the multi-particle-size compound heat-conducting filler, the balance between the flexibility and the heat-conducting property of the material is realized. The prepared heat-conducting gasket has the characteristics of low hardness and high heat conductivity, the risk of silicone oil precipitation is eliminated, meanwhile, the bio-based characteristics of the heat-conducting gasket meet the green manufacturing requirement, and a novel silicification-free solution is provided for long-acting and stable heat dissipation of microelectronic devices.

The invention relates to the technical field of light-weight wire harness and multi-material conformal additive manufacturing, and provides a light-weight conformal wire harness additive manufacturing method and a working device.A base body obtained after surface treatment is installed and fixed to a printing device, printing and laying procedures are imported, and the printing device is initialized; conformally printing a first insulating layer on the surface of the substrate; a first conducting layer is laid on the first insulating layer in a conformal wiring mode through a wiring unit; conformally printing a second insulating layer over the first conductive layer; conformally printing a first shielding layer on the second insulating layer; if the wire harness is a multi-layer conformal wire harness, repeating the process to complete conformal manufacturing of all other insulating layers, conductive layers and shielding layers; if the wiring harness is a single-layer conformal wiring harness, a packaging layer is directly printed in a conformal manner; and post-processing the multi-material conformal wire harness to complete the preparation of the conformal wire harness. The method has the advantages of being high in production automation degree, high in production efficiency, high in material utilization rate, good in production flexibility, environmentally friendly in manufacturing and the like.

The invention belongs to the technical field of carbon fiber surface treatment, and particularly relates to a cross-linked polymer modified carbon fiber, a preparation method and a composite material. Aiming at the problem of insufficient interface bonding force between the existing polyarylsulfone / ketone thermoplastic sizing agent and the carbon fiber, the core of the invention is to apply a polyarylsulfone / ketone derivative of which a main chain or a side chain is provided with an electrochemically crosslinkable active group to the technical field of carbon fiber surface treatment. And constructing a covalent bond combined three-dimensional network structure coating on the surface of the carbon fiber in situ. According to the method, firm anchoring of the coating and the carbon fibers is achieved, and the interface load transmission efficiency and the interlayer shear strength of the carbon fiber / polyether-ether-ketone composite material can be remarkably improved. The method is mild in process condition, easy in parameter control and convenient in post-treatment, meets green manufacturing requirements, and has remarkable large-scale production advantages.

The invention relates to the technical field of plastic forming, and discloses a plastic leftover material forming process of a layered compaction structure, which comprises the following steps: S1, raw material pretreatment: selecting a new plastic material meeting performance requirements, drying, mixing with pretreated recycled material particles in proportion, uniformly stirring, and feeding into a raw material storage tank for later use; s2, melting and injection molding: feeding the mixed raw materials into an injection molding machine, heating in different areas through a charging barrel, and stirring and melting into a melt through a screw rod; the die set is arranged, through an immediate leftover material separation and recovery system, the cut leftover materials can be rapidly recycled, soil and water pollution caused by leftover material accumulation is avoided, meanwhile, waste of plastic raw materials is reduced, and the development concepts of green manufacturing and circular economy are met. Due to the sealing protection design of the die set, pollution caused by melt leakage is avoided, and diffusion of dust and harmful gas is reduced through the sealing structure of the movable groove.

The invention discloses a preparation method of an environment-friendly 3D printing three-dimensional surface floor, which comprises the following steps: S1, drawing a plane drawing of the floor, generating a 3D model of the floor by using a computer, and obtaining all layered structures and arrangement modes for forming the floor; and S2, raw materials for preparing the floor are prepared according to the 3D model of the floor in the S1, the raw materials are conveyed into a 3D printer for 3D printing, and all layered structures for the floor are printed. Through a sustainable raw material system, a formaldehyde-free laminating process, high-precision 3D printing texture forming, a three-layer environment-friendly protection layer, a bio-based edge sealing technology and an internet-of-things intelligent production system, production energy consumption is reduced by 40%, waste is reduced by 50%, closed-loop recovery is achieved, meanwhile, the international environment protection certification is met, the production efficiency is improved by 30%, and the production cost is reduced. And a full-chain green manufacturing scheme for synergistically improving the environmental protection performance, the production efficiency and the product quality is formed, and the double-carbon target requirement is met.

The invention provides a controlled release method of a low-additive-amount coal-based quantum carbon dot composite coated slow-release fertilizer, and relates to the technical field of slow-release fertilizers, the controlled release method comprises the following steps: S1, carrying out surface functional modification on coal-based quantum carbon dots, grafting amino and carboxyl on the surfaces of the coal-based quantum carbon dots, and forming molecular-level crosslinking points capable of being subjected to dual crosslinking with inorganic silicon-oxygen bonds and organic ester bonds; s2, sequentially wrapping a basic controlled release shell layer formed by biodegradable polyester and an intelligent response layer embedded with the coal-based quantum carbon dots by taking fertilizer particles as a core through a layer-by-layer spraying and fluidized bed coating process to form a composite coating structure; the coal-based quantum carbon dots subjected to surface functionalization modification serve as molecular-level crosslinking points under the extremely-low addition amount of 0.1-1 wt%, the molecular-level crosslinking points, inorganic silicon-oxygen bonds and organic ester bonds form a double-crosslinking network, the compactness and stability of a coating layer are remarkably improved, and therefore the raw material cost and processing energy consumption are reduced, and green manufacturing is achieved.

The invention belongs to the technical field of silicon steel sheet annealing test furnaces, belongs to environment-friendly manufacturing planning of ultrahigh-grade oriented silicon steel, and particularly discloses a silicon steel sheet annealing test furnace and a process method thereof. The silicon steel sheet annealing test furnace comprises an inlet section, a heating section, a connecting section and an outlet section, and the inlet section, the heating section, the connecting section and the outlet section form a furnace body structure; the furnace body structure is fixedly installed on a floor in a workshop through two H-shaped steel, the furnace body structure is provided with three cooling air discharging pipes, and the cooling air discharging pipes are outwards led out of the workshop for discharging. According to the silicon steel sheet annealing test furnace and the process method thereof, the three independent heating sections I, II and III and the three independent connecting sections I, II and III are arranged, and are matched with the independent online oxygen analyzer, the sampling port and the atmosphere supply system; and the requirements of multiple scenes such as an intermediate annealing scene, a non-oriented silicon steel finished product annealing scene and oriented silicon steel high-temperature annealing can be met.

The polishing device comprises a base, a two-dimensional driving mechanism is installed above the base through a support and drives a vertical electric cylinder to move forwards, backwards, leftwards and rightwards, a pressure sensor is installed at the lower end of a telescopic shaft of the vertical electric cylinder, and the two-dimensional driving mechanism drives the vertical electric cylinder to move forwards, backwards, leftwards and rightwards. A mounting plate is mounted at the bottom of the pressure sensor, and a detachable composite buffering polishing head is mounted at the bottom of the mounting plate. Mixed liquid nozzles are mounted on the left side and the right side of the composite buffer polishing head; according to the polishing device for manufacturing the ultrathin single crystal diamond substrate, chemical and mechanical cooperative polishing and flexible buffering compensation are achieved, a rectangular hole of the mounting frame allows the polishing head to move slightly, local stress concentration is eliminated, polishing uniformity is improved, the green manufacturing characteristic is achieved, modular maintenance is achieved, the detachable composite buffering polishing head and a bolt are designed to be replaced quickly, and maintenance is convenient.

The application discloses a laser cladding repair method for a flange furnace bottom disc of a long-service-life structure and belongs to the field of plating technology for metal materials, and aims at the green manufacturing plan of super-high-grade oriented silicon steel and comprises the following steps: performing state evaluation and pretreatment on a working surface of a bottom disc after a service cycle is completed, confirming whether the working surface is a primary service surface or a secondary service surface; pre-preparing three kinds of functional powders of substrate regeneration, A-surface thermal fatigue resistance and B-surface high-thermal-conductivity oxidation resistance; firstly, cladding a substrate regeneration layer on a surface of a substrate to reset a microstructure; secondly, selectively cladding an A-surface or a B-surface functional layer according to the attribute of the working surface to form a gradient repair structure; and finally, performing post-heat treatment. Through the differential powder system and the repair strategy, the application solves the different failure problems of the primary and secondary service surfaces and significantly improves the repair quality and the whole life cycle of the bottom disc, realizes life doubling after single repair and guarantees the product quality uniformity of the bearing silicon steel coil.

This utility model proposes a maintenance-free vacuum machine, comprising: a spiral central shaft and a cylinder. The central surface of the spiral central shaft has a spiral structure. The cylinder is installed in conjunction with the spiral central shaft, and the contact surfaces of the two are fitted together to ensure that no lubricating oil enters the cylinder, avoiding problems such as oil carbonization, emulsification, and contamination. There is no need to replace the filter element, add lubricating oil, or stop the machine for maintenance regularly, which greatly reduces the operation and maintenance costs. The outer periphery of the cylinder is provided with a first water-cooling jacket, which is connected to an external cooling device through cooling pipes. It is used to cool the cylinder with circulating water, keeping the operating temperature at 30-40℃, effectively slowing down component aging, extending equipment life, and eliminating the risks of high-temperature burns, lubricating oil leakage, and mechanical jamming, reducing safety hazards for operators. Exhaust gas is discharged directly without oil mist pollution. The water cooling system reduces water waste through closed-loop circulation, which meets the requirements of green manufacturing.

The invention relates to the technical field of lubricating oil additives, and discloses an environment-friendly additive for replacing a phosphorus-chlorine antiwear agent.The preparation method comprises the following steps that base oil is added into a reaction kettle, stirring is conducted for 15-20 min at the temperature of 50-70 DEG C at the speed of 300-600 rpm, then molybdenum oleate, modified hydrotalcite, modified eugenol and octyl dimethylbenzene are sequentially added under continuous stirring, uniform mixing is conducted, and the additive is obtained. The environment-friendly additive for replacing the phosphorus-chlorine anti-wear agent is obtained. Under high temperature and high pressure generated by friction, molybdenum oleate can be decomposed to form a molybdenum disulfide solid lubricating film with low shear strength, so that the wear resistance of the additive is enhanced; stearic acid is used for modifying hydrotalcite, so that the anti-wear effect is synergistically enhanced; an organic silicon chain segment in the modified eugenol can provide auxiliary lubrication, and polar groups are adsorbed on the metal surface, so that the corrosion resistance of the additive is improved; and the additive does not contain phosphorus, chlorine and other harmful elements, and accords with the development direction of modern green manufacturing and environment-friendly lubrication.

The invention relates to the technical field of biomass energy conversion, in particular to a method and system for preparing sustainable aviation kerosene through methanol based on biomass gasification. The method sequentially comprises the steps of biomass gasification, purification and proportion adjustment, methanol synthesis, methanol-to-olefin conversion, oligomerization reaction and hydrofining. The selectivity of a target component is effectively improved by regulating and controlling the H2 / CO molar ratio to 2.0-2.2 and realizing multi-section conversion and heat energy gradient recovery under middle and high pressure. The condensation point of the finished product can reach-48 DEG C, the aromatic hydrocarbon mass fraction is as low as 0.22%, and the aviation fuel standard requirements are met. The method has the advantages of being high in carbon utilization rate, excellent in product quality, low in energy consumption, suitable for large-scale operation and the like, and is suitable for green manufacturing of sustainable aviation fuel.

The application discloses a preparation method of a self-emulsifying type wet spinning raw silk oil agent and a preparation method of high-uniformity carbon fibers, and belongs to the technical field of carbon fibers. In the application, polyglycerol and epsilon-caprolactone are catalytically prepared into PG-PCL; then the PG-PCL is reacted with acrylate to obtain acrylated PG-PCL; finally, the PG-PCL, the acrylated PG-PCL and perfluoropolyether acrylate are uniformly dissolved in acetone; then carboxylated cellulose nanocrystals and iron phthalocyanine are added and high-speed shearing emulsification is carried out, and water is gradually added to form a nanoemulsion; and the high-uniformity carbon fibers are obtained by combining a low-temperature preparation method of the carbon fibers. The method synchronously solves the problems of emulsion stability, fiber uniformity and carbonization compatibility, shortens a production cycle, is suitable for high-end fields such as aerospace and new energy vehicles, and has the advantages of high performance and green manufacturing.

The invention discloses a synthesis method of Olrabatinib, which comprises the following steps: by taking 2-methyl-5-nitro trifluorotoluene as a raw material, carrying out a Waller-Ziegler reaction, an alkylation / silanization reaction of amine, nitro reduction, a condensation reaction and a Caslow-Stevens coupling reaction, so as to obtain the Olrabatinib. By optimizing process conditions and a reaction system, the synthesis method disclosed by the invention has the remarkable advantages in the following aspects: the raw material cost is greatly reduced by adopting low solvent consumption; the product yield is improved by accurately controlling reaction parameters; a standardized post-treatment process is developed, and large-scale stable production is realized. According to the technical system, the technical bottlenecks of high energy consumption and high pollution in the traditional synthesis route are effectively solved, and an innovative solution is provided for green manufacturing of fine chemicals.

The invention relates to the field of steel cord manufacturing, in particular to a high-strength high-cycle-ratio steel cord which comprises the following components in percentage by mass: 0.7-0.96% of C, 0.2-0.35% of Si, 0.15-0.35% of Mn, 0.03-0.1% of Cr, 0.01-0.02% of V, 0.01-0.02% of Nb, less than or equal to 0.01% of P, less than or equal to 0.08% of S, less than or equal to 0.0015% of O, less than or equal to 0.005% of N, less than or equal to 0.0008% of Alt, less than or equal to 0.0005% of Ti, less than or equal to 0.25% of Cu, less than or equal to 0.05% of Sn and the balance of Fe, the molar ratio of Ca to O is defined as B, B is more than or equal to 0.9 and less than or equal to 1.5, therefore, the hot brittleness risk in the drawing process is reduced, and the fatigue performance of the steel cord can be improved.

The application provides a liquid purification method and a purification device, and relates to the technical field of liquid purification. The liquid purification method comprises the following steps: S1, generating bubbles through a bubble generator and injecting the bubbles into to-be-purified liquid, so that the bubbles contact impurities in the to-be-purified liquid; S2, adsorbing the impurities in the to-be-purified liquid through the surface tension effect of the bubbles, so as to form a foam layer with the impurities adhered; and S3, separating the foam layer with the impurities adhered from purified to-be-purified liquid. The application solves the problems that, in the related art, frequent replacement of filtering elements leads to long downtime, high maintenance cost and difficulty in treating solid waste of filter materials, realizes continuous purification without filter materials, reduces the maintenance frequency and cost, and reduces the generation of solid waste, thereby meeting the green manufacturing requirements.

This invention relates to the field of conductor technology and discloses an aluminum-welded nickel sheet, comprising: an aluminum busbar with an insulating layer on its outer surface; a central bending zone formed by integrally bending the aluminum busbar; and aluminum ports at both ends of the aluminum busbar, formed by bending the ends of the aluminum busbar outwards and connecting to the aluminum busbar at right angles. This aluminum-welded nickel sheet utilizes pure nickel strip directly coated onto the outer surface of the aluminum ports via hot-press welding, replacing the traditional electroplating process. This avoids complex processes such as multiple chemical pretreatments, plating solution deposition, and post-treatment, significantly improving product yield and production stability. Simultaneously, it completely eliminates the emission of heavy metal wastewater, harmful gases, and chemical pollutants generated during electroplating, achieving clean production from the source. This aligns with the requirements of green manufacturing and sustainable development, reduces environmental pollution burden, and circumvents increasingly stringent environmental regulations.

The application discloses a method for recycling waste liquid in the production process of Venetian Fusarium protein, which comprises the steps of component analysis, nutrient supplement, fermentation verification and recycling evaluation, and aims at the problems of high water consumption and high emission in the preparation process of microbial protein of the filamentous fungus Venetian Fusarium, and builds component analysis, resource utilization potential evaluation and recycling process demonstration of two types of typical process waste liquid. Through the hierarchical recycling strategy design of setting the fermenting waste liquid to be reused once and the de-nucleic acid waste liquid to be reused twice, the theoretical production amount of the two kinds of waste water is reduced from 18.8 t to 7.7 t under the condition of four production cycles, and the emission reduction ratio is about 59.04%, which shows that the method has significant water saving and emission reduction potential in theory, and can provide data support and technical basis for the optimization of the green manufacturing process of the filamentous fungus protein.

According to the processing method of the high-strength bamboo fiber non-woven fabric, the synergistic effect of physical hot pressing and calcium-tannic acid chemical coordination cross-linking is combined, and glue-free green enhancement of the natural bamboo fiber non-woven fabric is achieved through the five steps of fiber calcium-loaded plasticizing treatment, fiber web physical forming, hot-pressing melting, cross-linking preparation and hot-pressing curing cross-linking in sequence. The invention overcomes the defects in the prior art, and provides the bamboo fiber non-woven fabric which is high in strength and high in wet strength and can be completely biodegraded and the green preparation method of the bamboo fiber non-woven fabric. The non-woven fabric can be directly applied to the fields of environment-friendly filtering materials, medical hygienic products, degradable packaging materials and the like, can also be used for preparing high-performance glue-free bamboo fiber boards, pipes and other composite materials through multi-layer hot pressing, and has wide application prospects in the fields of environment-friendly manufacturing and low-carbon environment protection.

The invention relates to the technical field of tobacco flavor processing, in particular to a method for preparing hawthorn extract by combining high-voltage discharge with fermentation treatment or low-temperature plasma, which overcomes four major pain points of'thin aroma, thermosensitive vulnerability, long flow and high cost 'of the traditional hawthorn extract by one stroke. The aroma richness is remarkably improved, the extraction efficiency is remarkably improved, the resource utilization rate is remarkably improved, and the energy consumption and emission are remarkably reduced; the technology is in a normal-temperature short range, the equipment is universal and easy to amplify, the solvent is recycled and zero-waste, the residue can be used for preparing the fertilizer, the economic, environment-friendly and sensory benefits are taken into account, a reproducible, generalizable and sustainable green manufacturing normal form is provided for the cigarette and food natural perfume industry, and the method has wide industrial application prospects.

The invention belongs to the technical field of metal material production and manufacturing, and particularly relates to a resource-saving type heat-resistant resistance alloy and a manufacturing method and application thereof. The resource-saving type heat-resistant resistance alloy comprises the following components in percentage by weight: less than or equal to 0.020% of C, less than or equal to 0.020% of N, 1.0%-2.0% of Si, 0.50%-1.00% of Mn, 11.5%-14.5% of Cr, 1.0%-2.0% of Al, 0.15%-0.30% of Ti, less than or equal to 0.040% of P, less than or equal to 0.020% of S and the balance of Fe and inevitable impurity elements. The resource-saving heat-resistant resistance alloy is particularly suitable for high-temperature and high-humidity sulfur-containing atmosphere and resistance electric heating scenes, can be used for manufacturing corrosion-resistant parts, high-temperature heat-resistant parts and resistors, has the advantages of low cost, high heat resistance, high resistance and good processing weldability, and meets the requirements of green manufacturing and efficient application.

The embodiment of the invention provides a design method of a solar energy-electric energy-air heat energy coupling system and related equipment, and belongs to the technical field of low-carbon green manufacturing and energy-saving optimized operation. Aiming at the problems of high production energy consumption, low clean energy utilization efficiency, high system operation cost and high carbon emission of a prefabricated part factory, the method comprises the following steps: establishing a production-energy collaborative optimization model, integrating photovoltaic power generation, solar heat collection, an air source heat pump and a heat storage module, and establishing an electricity-heat consumption model and system energy balance relationship; and setting an optimization function and production and equipment constraints aiming at reducing the operation cost and the full-life-cycle carbon emission. And a multi-target intelligent optimization algorithm is adopted for solving, and collaborative optimization of production scheduling and energy configuration is realized. By applying the method, the photovoltaic on-site consumption rate can be remarkably increased to 80% or above, compared with a traditional energy supply mode, the operation cost is reduced by 95% or above, carbon emission is reduced by 30% or above, and remarkable energy-saving, economic and environment-friendly benefits are achieved.

According to the normal-temperature and normal-pressure dyeable polyester fiber and chinlon composite yarn one-bath-process dyeing method, normal-temperature and normal-pressure dyeable polyester fibers are adopted to replace conventional polyester, synchronous one-bath-process dyeing of polyester and chinlon composite yarn under the normal-pressure condition is achieved, and the technical problem caused by the difference of the dyeing characteristics of two kinds of fibers in a traditional technology is solved. A traditional multi-step two-bath method is integrated into one step, so that the technological process is shortened by more than 50%, and the production efficiency is greatly improved. High-temperature and high-pressure equipment is not needed, and the replacement frequency of the dye liquor is reduced, so that the steam energy consumption is reduced by about 40%, the water consumption and the wastewater discharge amount are reduced by about 35%, and the green manufacturing requirement is met. The mild dyeing conditions of the process effectively protect the mechanical properties of the polyamide fibers, so that the strength retention rate of the polyamide fibers is increased by 15% or above, and excellent leveling property and color fastness are ensured. The operability and reproducibility of the process are also enhanced by the single-bath process, and a reliable guarantee is provided for large-scale stable production.

The invention belongs to the technical field of grease deep processing and enzymatic modification, and particularly relates to a method for continuously preparing medium-chain and long-chain triglyceride through an enzymatic method. According to the method, medium-chain triglyceride (MCT) and long-chain triglyceride (LCT) are taken as substrates, are mixed and then are introduced into a packed bed continuous flow reactor filled with micron-sized immobilized lipase particles for efficient and controllable transesterification reaction, so that continuous synthesis of the MLCT is realized. And performing low-pressure distillation and molecular distillation combined separation and purification on the obtained product, and performing flavor compounding regulation and control to obtain the MLCT edible oil with both nutrition and flavor. The method has the advantages of being short in reaction time, stable in process, suitable for large-scale continuous production and the like, and an innovative solution is provided for green manufacturing of high-quality flavor type medium-chain and long-chain triglyceride.

The invention belongs to the technical field of 3D printing materials, and particularly relates to a rapid alcohol-soluble 3D printing supporting material based on an MJP technology, preparation and application, and the rapid alcohol-soluble 3D printing supporting material is mainly used for supporting forming and efficient removal of complex structural parts. The material is prepared by taking a composite material of polyethylene glycol (PEG), polyvinylpyrrolidone (PVP) and cetanol as an alcohol-soluble base material and supplementing a viscosity modifier, a filler and a functional additive through a specific ratio and a specific process. The supporting material adopts a synergistic effect of a polyethylene glycol base material and an alcohol-soluble toughening agent, and the supporting structure can be quickly dissolved in an alcohol solvent (less than or equal to 30 minutes), so that the surface of a printed piece is effectively prevented from being damaged; the rheological property is optimized through the viscosity modifier, the plug or soft collapse phenomenon is prevented, and high printing stability is achieved; and the material and the cleaning waste liquid are biodegradable, so that the green manufacturing requirement is met.

The invention belongs to the field of electrical equipment manufacturing, and particularly relates to a dry-type transformer green manufacturing evaluation method. The method comprises the following steps: collecting original data of each working section in the manufacturing process of the dry-type transformer, wherein the original data comprises raw material consumption, energy consumption, water resource consumption and pollutant emission; constructing a multi-dimensional green manufacturing evaluation index system including a material evaluation index M, an energy evaluation index E, a water evaluation index W and an environmental impact evaluation index CEA; calculating a comprehensive green manufacturing index Q, and further calculating a green manufacturing level G for quantifying green environmental protection degrees of different manufacturing schemes; and according to comparison analysis of the Q value and the G value, selecting an optimal green manufacturing scheme. Quantitative evaluation and scheme optimization in the whole process are realized, and low-carbon transformation in the industry is assisted.

This invention relates to a Bacillus licheniformis strain with high tolerance to methanol and formaldehyde, belonging to the fields of synthetic biology and microbial engineering. This invention utilizes systematic mutagenesis and directed evolution to screen for a Bacillus licheniformis strain exhibiting excellent dual tolerance to methanol and formaldehyde. Bacillus licheniformis GW-MF, accession number CGMCC No. 38523. This strain can tolerate methanol concentrations of 80 g / L or even higher and formaldehyde concentrations of 0.02 g / L. This strain provides a key platform for constructing methanol-feeding cell factories, suitable for the green manufacturing process of methanol bioconversion to synthesize high-value-added products. It meets the development needs of a one-carbon bioeconomy under the "dual carbon" goal and has great application potential.