38 results about "Green materials" patented technology

The invention discloses a cement enterprise carbon management system and method, and particularly relates to the technical field of cement carbon management, and the system comprises an intelligent carbon closed-loop management module which is used for achieving the whole-process monitoring, management and closed-loop control of enterprise carbon emission through the advanced data tracking and optimization technology. According to the invention, end-to-end carbon footprint tracing is carried out by using the block chain and the Internet of Things equipment, production parameters are dynamically adjusted through real-time data acquisition and an AI algorithm, dynamic balance of carbon emission is maintained, meanwhile, a digital twinborn model and multi-dimensional carbon accounting analysis help an enterprise to accurately make a carbon treatment decision, and the carbon treatment efficiency is improved. The intelligent carbon compensation module ensures the realization of a zero carbon emission target, the leading edge low-carbon technology integration module promotes green transformation of a production process through carbon capture conversion, green material research and development and renewable energy source integration, and the intelligent operation optimization module promotes the green transformation of the production process through optimization of production scheduling, predictive maintenance and supply chain carbon management. And the energy consumption and the carbon emission are obviously reduced.

The invention belongs to the field of industrial waste treatment and comprehensive utilization, and provides a method and a process for preparing a heavy metal polluted acidic wastewater purifying agent by coupling red mud with carbide slag, and the process comprises the following steps: S1, raw material pretreatment: respectively drying original red mud and carbide slag at 105 + / -5 DEG C to constant weight, crushing, and sieving with a 100-mesh sieve; s2, mixing: uniformly premixing the red mud and the carbide slag powder in proportion, mixing the mixture with a binder in proportion, and uniformly stirring; s3, activating: slowly spraying a proper amount of water into the uniformly mixed dry powder, and stirring while adding until the material forms a wet block mass with certain plasticity; s4, granulation: feeding the wet material into a granulator with the granulation particle size of 2-5 mm, and aging the raw material particles at room temperature for 12-24 hours; and S5, drying and activating: drying the aged particles at 105-120 DEG C until the weight is constant, cooling to room temperature, and sieving to obtain the purifying agent product. The method has the effects of being high in heavy metal removal rate, stable, safe and efficient.

The invention relates to a static sintering method and system for preparing aluminum hydroxide by extracting an aluminum element from fly ash, and the static sintering method comprises the following steps: firstly, taking a raw material which is crushed to a process control fineness as a pre-powder material, carrying out raw material preparation and blank forming on the pre-powder material to obtain a blank, sintering the blank to obtain a clinker, and sintering the clinker to obtain the aluminum hydroxide. The clinker is dissolved out to obtain slurry, and then the slurry is subjected to slurry desilicication, carbon component reaction, hydrogen-aluminum separation and drying to prepare high-whiteness and high-purity aluminum hydroxide; wherein the raw materials comprise fly ash; the blanks are sintered into polygon prism-shaped blanks, the polygon prism-shaped blanks are stacked on a high-temperature-resistant kiln car in an industrial tunnel kiln, the blanks are roasted in the industrial tunnel kiln, and the roasting temperature ranges from 800 DEG C to 1100 DEG C. According to the invention, solid wastes such as fly ash, coal gangue, carbide slag and the like, pulverized coal and sodium carbonate are crushed into materials with the same fineness, high-whiteness and high-purity aluminum hydroxide can be obtained through an alkaline static sintering process, the recovery rate of aluminum in the solid wastes is about 90%, and harmless, resource and synergistic utilization of the solid wastes such as fly ash and the like is realized.

The utility model relates to the technical field of pottery, and provides a pottery green material picker which comprises a bottom plate, the four corners of the top of the bottom plate are all fixedly connected with barrels, the interiors of the four barrels are all slidably connected with sliding columns, the tops of the four sliding columns are fixedly connected with a frame body, the middle position of the frame body is fixedly connected with a plate body, and the plate body is fixedly connected with the bottom plate. Filter screens are fixedly connected to the two sides of the interior of the frame body, clamping plates are fixedly connected to the two sides of the top of the bottom plate, a first motor is fixedly connected to one side of the exterior of one clamping plate, a rotating rod is fixedly connected to the first motor through an output shaft, a cam strip is fixedly connected to the exterior of the rotating rod, and a second motor is fixedly connected to one side of the top of the frame body. The second motor is fixedly connected with a reciprocating lead screw through an output shaft, a bearing seat is arranged outside the reciprocating lead screw, and the bearing seat is connected with the reciprocating lead screw through a ball nut pair. By means of the technical scheme, the problem that in the prior art, powder cannot be efficiently treated conveniently, and the working efficiency is not improved is solved.

The invention provides digital jet printing ink for a degradable fiber material and a preparation method thereof, and relates to the technical field of digital jet printing ink, the digital jet printing ink comprises a disperse dye compound, a composite additive system and water; the compound additive system comprises at least one of a dispersing agent, a humectant and a wetting agent; the disperse dye compound is selected from specific disperse dye compounds with moderate molecular weight and strong low-temperature mobility. The digital jet printing ink is specially used for jet printing of degradable fiber materials, can fix color at the low temperature of 150-160 DEG C or below, has excellent color expression, fastness and environmental protection characteristics, and is very suitable for digital jet printing of green materials.

The application provides a brand-new epoxy-based glass polymer material modified by siloxane and a preparation method, wherein vanillin is used to react with different diamine compounds to prepare a vanillyl diphenol compound, the diphenol compound is used to react with different epoxies to obtain a vanillyl epoxy compound, 3-aminopropyl triethoxysiloxane is introduced for crosslinking and solidification on the basis, an epoxy-based glass polymer material is prepared through a gradient temperature solidification method, and a large number of dynamic imine bonds and siloxane bonds in the material can enhance the mechanical properties, thermal stability and creep resistance of the epoxy-based glass polymer material. In addition, in the design of the application, experimental raw materials are green and environmentally friendly, the epoxy-based glass polymer material has excellent mechanical properties, thermal stability and creep resistance, is an excellent option for preparing green materials, and provides a train of thought for preparing the epoxy-based glass polymer material by using a green method.

The utility model discloses a kind of green material automatic powder burying devices for special ceramic production, belong to the field of ceramic production.A kind of green material automatic powder burying devices for special ceramic production, including front and rear through work tank, transmission assembly is provided in work tank along passageway length direction, and the side wall of work tank is provided with spray head, crushing cylinder, and the cavity of work tank is communicated by guide channel, and at least one group of crushing rollers is provided in crushing cylinder, the axis of each group of crushing roller is triangularly arranged, and collision gap is formed between crushing roller and crushing cylinder;Storage box is fixedly connected with crushing cylinder by conveying component, and the cavity of storage box is communicated with spray head by conveying mechanism;The utility model effectively crushes the hard agglomerate powder formed under the vibration effect of conveying belt, avoids excessive powder jam, and improves the quality of recycled powder.

The present application relates to ceramic production equipment technical field, disclose a kind of special ceramic forming drying device with batch control, including drying furnace body and protective cabin cover;Rotary transport mechanism is sequentially provided with several layers of independent operation transport tracks from top to bottom, each transport track can transport several green material pallets.The present application in each independent operation transport track, according to the water content of the ceramic embryo to be dried transported differently, adjust the residence time of the green material pallet transported in low temperature zone, medium temperature zone and high temperature zone, so that the different batches of ceramic embryo to be dried can be controlled separately, can effectively control the drying time according to the water content of the different batches of ceramic embryo to be dried, can fully guarantee the drying effect of the different batches of ceramic embryo to be dried.

The invention belongs to the technical field of preparation of green materials, and particularly relates to polymethoxylated flavone co-hybridized hydromagnesite composite powder, a preparation method thereof and application of the polymethoxylated flavone co-hybridized hydromagnesite composite powder in natural rubber master batches. The polymethoxylated flavone co-hybridized hydromagnesite composite powder provided by the invention comprises hydromagnesite, a glycine derivative coated on the surface of the hydromagnesite, and polymethoxylated flavone coated on the surface of the glycine derivative, the hydromagnesite and the glycine derivative are connected through an ester bond, and the polymethoxylated flavone and the glycine derivative are connected through electrostatic adsorption. The polymethoxylated flavone co-hybridized hydromagnesite composite powder provided by the invention not only has better particle size distribution, structural stability, low oil absorption value, low surface polarity and difficulty in agglomeration, but also has high dispersity in rubber, and a composite material prepared from the polymethoxylated flavone co-hybridized hydromagnesite composite powder and the rubber has high mechanical properties and can achieve internal and external synergistic flame retardance and smoke suppression.

This invention relates to the field of green materials engineering technology, and discloses a low-VOC environmentally friendly pressure-sensitive adhesive for vehicle body stickers and its preparation method. The adhesive comprises deionized water, enzymatically hydrolyzed sodium lignin sulfonate powder, hydrogenated rosin glycerol ester, oxidized starch aqueous solution, ammonia, glucono-δ-lactone powder, and zirconium carbonate ammonium solution. During preparation, a microemulsion is formed by dispersing hydrogenated rosin glycerol ester using the amphiphilic properties of lignin under a shear field. After mixing with oxidized starch, latent acid, ammonia, and a crosslinking agent are added under laminar flow conditions. This invention utilizes the physicochemical coupling mechanism of ammonia volatilization and the thermal release of acid from glucono-δ-lactone to achieve synchronous homogeneous crosslinking at a thick coating depth, solving the problem of cohesive gradient defects. Simultaneously, it utilizes high-valence zirconium ions to construct a dynamic reversible coordination dissipation network, effectively dissipating peel tensile stress, avoiding cohesive-destructive residues, and eliminating the risk of VOCs and interfacial pinholes caused by small-molecule emulsifier residues, significantly improving heat resistance and tack performance.

This invention relates to the field of backfill technology, specifically to a green material for backfilling cofferdam boreholes and its preparation method. The green material for backfilling cofferdam boreholes comprises the following components by weight: 21-33 parts cement, 3.5-4.5 parts bentonite, 60-70 parts clay, 3-5 parts modified sawdust, 60-66 parts deionized water, and 2-6 parts modified fiber. The green material for backfilling cofferdam boreholes prepared by this invention has good hydration ability and strong compressive strength. Furthermore, through the combination of modified sawdust and modified fiber, a mechanical interlocking effect is formed between them, effectively improving the cohesiveness of the prepared backfill material.

The invention discloses a zero-dimensional tetranuclear copper iodine cluster organic-inorganic hybrid crystalline scintillator material and a preparation method and application thereof, and belongs to the field of materials. The chemical formula of the organic and inorganic hybrid crystalline scintillator material is (p-ttp) 4Cu4I4, wherein p-ttp is p-methyl triphenylphosphine. The organic-inorganic hybrid crystalline scintillator material is based on a zero-dimensional Cu4I4 cluster structure, utilizes the heavy atom effect of Cu and I to enhance X-ray absorption, and has yellow-green light emission (506nm). The photoyield is high, the response is quick, the linear response is good, and the thermal stability is strong. Copper is used for replacing lead, so that the toxicity is reduced, and the development trend of green materials is met. The process is simple, low in cost and easy to industrialize. The device can be applied to X-ray irradiation detection and can also be applied to illumination display industries such as OLEDs (Organic Light Emitting Diodes) and the like. And the method adapts to various application scenes.

The invention belongs to the technical field of solid waste treatment, and discloses a method for preparing foam microcrystalline glass by utilizing waste heat of hot blast furnace slag and co-treating chromium-containing sludge and a product, the method comprises the following steps: preparing raw materials according to mass percentage, and then grinding and mixing uniformly; performing compression molding on the mixed wet material to obtain a raw material; drying to obtain a green body; the preparation method comprises the following steps: preheating a high-temperature furnace to a target temperature of 1050-1200 DEG C, quickly putting a green body into the high-temperature furnace, sintering by utilizing waste heat of hot blast furnace slag, and reacting SiC with oxygen in air at high temperature to generate SiO2 and CO2 to form foam microcrystalline glass. According to the invention, through the combination of the process and the formula, the foam microcrystalline glass is prepared by fully utilizing the high-temperature waste heat of the hot blast furnace slag and the chromium-containing sludge, and the chromium-containing sludge is harmlessly treated by utilizing the waste heat, so that the prepared foam microcrystalline glass has relatively high performance, the additional value can be further improved, and the economic benefit is improved.

This invention provides a method for preparing high-modulus modified thin bamboo veneer and laminates. The method improves the material's modulus, toughness, and bonding properties while retaining the bamboo veneer. A green and environmentally friendly eutectic solvent, a compound solution of choline chloride, glycerol, and aluminum chloride hexahydrate, is used to impregnate the ultrasonically treated bamboo veneer sheets. Under specific temperature and time conditions, some lignin in the main components is removed, and the waxy layer and SiO2 on the bamboo veneer surface react chemically with the solvent components to form new silicides, significantly increasing the modulus. The waxy layer, which affects bonding, dissolves or is removed, resulting in a viscous lamination on the surface. The porosity of the main cells in the inner layer increases, facilitating subsequent bonding or other impregnation treatments, thus enabling controllable board structure and properties. The high-strength and tough modified bamboo veneer unit prepared by this invention does not require de-greening treatment, improving bamboo utilization.

The application provides a method for preparing building ceramics by using full barren material and the building ceramics, and the method comprises the following steps: mixing green mineral raw materials according to a predetermined green body formula to obtain mixed raw materials, wherein the green mineral raw materials are full barren materials; after wet ball milling, the mixed raw materials are treated to obtain a green material mud group; after adding aluminum dihydrogen phosphate solution into the green material mud group, the green material mud group is extruded to obtain a mud material, and the mud material is sent into a roller press to prepare a ceramic green body; and the ceramic green body is treated to obtain the building ceramics. By using the full barren material as the ceramic raw material, the clay is not needed, the strength of the ceramic green body is improved by adding the aluminum dihydrogen phosphate solution, the extrusion molding and the roller press treatment are used to obtain the molded ceramic green body, and the problems that the strength of the ceramic green body is reduced and the ceramic green body is difficult to be molded due to the reduction of the amount of clay are solved.

The invention discloses a method for preparing a graphene material by taking CO2 as a carbon source, which comprises the following steps: 1) separating, purifying and carbonizing a cultivated diatom colony to obtain a carbon-based precursor; loading the carbon-based precursor in a transition metal matrix to obtain a transition metal loaded carbon-based precursor; and (2) by taking the transition metal loaded carbon-based precursor as a cathode and cooperating with a conductive anode, inserting the cathode and the anode into a CO2 adsorbent, carrying out electrochemical reaction under the actions of CO2 atmosphere, high temperature and electric field to obtain a graphene crude product, and washing, carrying out suction filtration and drying to obtain the graphene material. According to the method, eutrophicated algae and captured CO2 are taken as raw materials, and an electrochemical process based on high temperature and electric field conditions is combined, so that the synergistic advantages of biological carbon sequestration and electrochemical conversion are fully exerted, the utilization efficiency of CO2 is remarkably improved, and formation of a graphene product with rich morphology and relatively large specific surface area is promoted; the related raw materials are low in cost, the process is simple, and a green material synthesis path with low energy consumption and high atom economy is constructed.

The invention discloses a magnesite enhanced ceramsite proppant preparation method and equipment, and relates to the technical field of ceramsite proppants, the magnesite enhanced ceramsite proppant preparation equipment comprises a support, a first granulation disc and a second granulation disc are obliquely and rotatably connected to the support, and the second granulation disc is located under the first granulation disc; a vortex-shaped sieve tray synchronously rotating with the first granulation tray is arranged between the first granulation tray and the second granulation tray, a plurality of sieve holes are uniformly formed in the vortex-shaped sieve tray, a discharge port is formed in the inner side of the vortex-shaped sieve tray, and a material collecting tray is arranged at the position, corresponding to the discharge port, between the vortex-shaped sieve tray and the second granulation tray; a mother nucleus forming device fixedly connected with the support is arranged above the first granulation disc and comprises a charging barrel, and the inner side of the charging barrel is rotationally connected with a rotating shaft. According to the preparation method and equipment of the magnesite enhanced ceramsite proppant, relatively high strength can be obtained while low apparent density can be maintained, and meanwhile, the blank forming efficiency can be improved.

The utility model discloses a polishing device for on-line surfacing repair of a raw material grinding roller, which comprises a polishing motor and two semicircular polishing mechanisms, one ends of the two polishing mechanisms are hinged, and the two ends of the two polishing mechanisms are fixedly connected through a positioning insertion plate. The two semicircular grinding mechanisms enable the device to be conveniently opened and closed so as to clamp a grinding roller during online repair, and the flexibility and applicability of the grinding device are greatly improved; meanwhile, a semi-annular grinding support and an abrasive belt are arranged in the grinding mechanism, and a driving gear and a driven gear which are matched with the semi-annular grinding support and the abrasive belt ensure that the abrasive belt can be in uniform and stable contact with the surface of the grinding roller in the grinding process, so that the grinding efficiency and the grinding quality are improved.

This invention discloses a green renovation construction method for ancient buildings based on the concept of coexistence of old and new, including the following steps: construction and evaluation of a digital twin model of the building's full information; selective structural repair and reinforcement based on the principles of reversibility and minimal intervention; modular implantation and integration of adaptive functional systems; selection of regional ecological building materials and integration of old and new materials; deployment and operation and maintenance of an intelligent health monitoring and early warning system for the entire building life cycle. This invention, by disclosing a highly detailed and systematic construction method for the renovation of ancient buildings, innovatively proposes a complete set of technical processes and management logic that runs through the entire process of "evaluation-repair-renovation-operation and maintenance," and fully describes a comprehensive construction method centered on "repair, restoration, and reinforcement," integrating modern digital technology, green material technology, and intelligent monitoring technology, which has high promotional value.

The application discloses a preparation method of refractory material and the refractory material, and relates to the technical field of refractory material. The application solves the technical problems of the existing technology, such as the complex process for obtaining the refractory material suitable for titanium-zirconium and its alloy precision casting, high cost, and difficulty in cleaning the ceramic core when titanium-zirconium and its alloy is cast in some narrow gaps, runners, cavities, air passages and other spaces. The preparation method of the refractory material comprises the following steps: uniformly mixing calcium carbonate and yttrium trioxide into a mixture according to a molar ratio of 1:2-4; drying the mixture to form a powder; wet ball milling the powder, and then constant-temperature drying to form a powder, wherein the powder drying time is greater than or equal to 48 hours; adding 5% of polyvinyl alcohol binder by weight into the powder to granulate and sieve to form a green material, and then drying the green material after being pressed to form a green body; and high-temperature sintering the green body. The refractory material has excellent stability, high refractoriness and strength, and the kerosene has a self-collapse characteristic.

The invention relates to the technical field of tunnel geotechnical engineering model similar materials, in particular to a similar material for simulating tunnel surrounding rock in a fault fracture zone and a preparation method. The similar materials comprise river sand, fly ash, bryozoatum and wood chips; the preparation method specifically comprises the following steps: determining the physical and mechanical parameter range of the similar material according to the actual physical and mechanical parameters, the similarity ratio and the like of the tunnel surrounding rock in the fault fracture zone; determining the weight ratio of the corresponding raw materials according to the physical and mechanical parameter range of the prototype material; uniformly stirring the selected river sand, fly ash, bryozoatum and sawdust to form a mixed material in a dry state; and adding water into the mixed material, stirring in a stirrer for 2 minutes, pouring the stirred similar material into a tray container, and storing in a humid and shady area. The preparation method of the similar material is simple, and the mechanical property adaptability is wide. Similar materials are green materials which are non-toxic and free of pungent smell. As a surrounding rock similar material similar to a soil body, soil can be filled and compacted again after fault model tests of each group of working conditions are carried out, and the similar material can be repeatedly used.

The application provides a green material slope protection scheme configuration method based on a random field theory, which quantifies the space-time variability of material parameters through layered modeling (ecological concrete, plant root system, graded broken stone and undisturbed soil). The parameters of the protection layer (shear strength, permeability coefficient and the like) are calibrated by adopting a logarithmic normal and Beta distribution, and the root system parameters of the reinforced layer are modeled by kernel density estimation and Bayesian updating, and the performance attenuation of the ecological concrete and the dynamic effects of the root system growth and decay are represented in combination with the space-time coupling random field. Based on Monte Carlo simulation and improved Bishop method, a double failure mode of shallow layer (root system reinforcement) and deep layer sliding is established, the joint failure probability is calculated by using a Copula function, and the dominant failure mechanism is identified. The material parameter threshold and space-time correlation length are optimized by using an NSGA-II algorithm, and a Pareto optimal scheme considering safety and ecological benefits is screened by combining TOPSIS decision.

The invention discloses a high-strength weather-resistant steel plate for a coating-free low-cost photovoltaic support and a preparation method of the high-strength weather-resistant steel plate. The weather-resistant steel plate is prepared from chemical components in percentage by mass as follows: 0.06%-0.09% of C, 0.25%-0.35% of Si, 1.25%-1.35% of Mn, 0.08%-0.11% of P, smaller than or equal to 0.005% of S, 0.02%-0.04% of Al, 1.05%-1.15% of Cr, 0.25%-0.35% of Cu, 0.08%-0.10% of Ti, smaller than or equal to 0.006% of N and the balance of Fe and inevitable impurities. Through the synergistic effect of alloy elements such as Cr, P and Cu, Ti microalloying and controlled rolling and controlled cooling processes are adopted for preparation, the yield strength is larger than or equal to 550 MPa, the tensile strength is larger than or equal to 600 MPa, the ductility is larger than or equal to 22%, performance is stable, weather resistance is excellent, and the requirements of photovoltaic users for high strengthening, light weight and greenization are met.

The utility model provides a kind of building green material carbon-planting board, it is related to carbon-planting board technical field, the utility model includes carbon-planting board body, the body of carbon-planting board side is provided with protective device, the protective device is shielded and protected to the side of carbon-planting board body by setting detachable metal material's protective plate, the utility model is shielded completely to the side of carbon-planting board body by setting protective plate, then when fire occurs, flame cannot directly burn to the shielded carbon-planting board body, effectively prevent carbon-planting board from burning, while protective plate can also be protected to extrusion of external force, and replace carbon-planting board body and bear most extrusion of external force, so that deformation occurs on protective plate, and the ductility and plasticity of metal material are better, and protective plate is detachable, and then it is convenient to overhaul and replace protective plate, ensure the stability of carbon-planting board body overall structure.

The utility model provides an automatic production system for a building greening material carbon building plate, which relates to the field of building greening and comprises a main transmission line (100) and an auxiliary transmission line which are arranged in parallel. A tray distributing mechanism, a discharging mechanism, a leveling mechanism, a soil covering mechanism and a watering mechanism are sequentially arranged on the main conveying line (100) in the conveying direction of the main conveying line (100), and a transferring mechanical arm is arranged between the main conveying line (100) and the auxiliary conveying line and located between the leveling mechanism and the soil covering mechanism; the disc distributing mechanism comprises two positioning plates (11) and two conveying assemblies. Each conveying assembly comprises two conveying wheels (121) and a transmission chain (122), and positioning protruding edges (1220) are evenly distributed on the outer ring of each transmission chain (122). According to the system, automatic production of the carbon building plates can be achieved, labor productivity is effectively saved, production efficiency is improved, production consistency of the carbon building plates is ensured, and the system serves for green buildings and urban carbon sequestration.

The invention belongs to the technical field of environmental groundwater remediation, and discloses an oxygen-releasing agent sustained-release material as well as a preparation method and application thereof. Comprising sustained-release particles and a coating layer wrapping the surfaces of the sustained-release particles. The slow-release particles comprise an oxygen release agent and an embedding agent, the embedding agent comprises clay minerals, silicon-aluminum industrial waste residues and a binder, and the coating layer is a water-soluble polymer material layer. The preparation method comprises the following steps: uniformly mixing the oxygen release agent, the clay mineral and the salic industrial waste residue in proportion, adding a binder aqueous solution, and stirring to obtain a wet blank; granulating the wet blank into granules, and drying and shaping to obtain sustained-release granules; the preparation method comprises the following steps: preparing a coating solution, putting the sustained-release particles into a coating machine, spraying the coating solution on the surfaces of the sustained-release particles by using a spray gun under the condition of continuous rotation, and drying and curing to obtain the oxygen-releasing agent sustained-release material. The slow-release material is reasonable in formula, wide in raw material source, low in cost, simple and feasible in preparation method and convenient to operate, and can be applied to remediation of polluted groundwater.

The present application relates to the field of ceramic and its preparation process, in particular to a kind of ceramic and its preparation process prepared by using waste material and environmental protection material, green body includes outer green layer and inner green layer, the raw material of outer green layer includes outer green material, the raw material of outer green material includes the following components: calcined kaolin, clay, feldspar, acrylic, bentonite, limestone, the raw material of inner green layer includes the following components: mud, stone, sand, glass fragments, plant stems, shell fragments, porcelain fragments.Organic material in green body is burnt and decomposed completely in the process of firing, the shape and texture before firing are left on the outer surface of green body, with staggered horizontal texture, pit and texture, the inner wall of green body is fused with the complex texture formed after the firing of stone, sand, glass and shell, similar to the effect of beach landform, with unique artistic aesthetic feeling.

The invention discloses a thermoplastic material battery lower box body, a forming mold and a forming method, the formed battery lower box body is divided into a main body outer layer, a rib inner layer and a middle cross beam, the overall weight is obviously reduced compared with an original metal structure, and the cost is obviously reduced; the main body outer layer and the rib inner layer are integrally formed through hot-press injection molding, the structural performance of the middle cross beam is enhanced in a bonding mode, and the forming efficiency is improved. The thermoplastic composite material is used as a green material which is high in designability and can be recycled, and the application of the thermoplastic composite material in the field of new energy automobiles is flourishing, so that the lower box body structure of the battery is formed by using the thermoplastic composite material.

The invention discloses a method for recovering lignin through a self-adaptive reversible covalent network, and relates to a lignin recovery and high-value utilization method. In order to solve the problems that the existing straw lignin is difficult to selectively extract, the structure is easy to damage and the environment burden in the recovery process is heavy, the method comprises the following steps: 1, obtaining a biomass raw material containing lignin and carrying out pretreatment; 2, a reversible covalent cross-linking agent is introduced into the raw materials, so that the reversible covalent cross-linking agent and phenolic hydroxyl groups or aromatic structures in lignin are subjected to a dynamic reversible reaction, and a temporary cross-linked network is formed; 3, lignin is selectively migrated and dissolved out through processes such as swelling or shearing; and 4, applying external stimulation conditions such as temperature, pH or a reducing agent to break the reversible covalent bond, and releasing and recovering the high-purity lignin. According to the method, efficient and selective recovery of lignin can be realized under mild conditions, side reactions are remarkably reduced, the molecular structure integrity of lignin is maintained, meanwhile, the cross-linking agent can be recycled, and the process energy consumption and environmental load are reduced. The invention relates to the technical field of high-value utilization of biomass resources and green material engineering.

The invention discloses a multilayer composite material separation and recovery method and device based on ultrasonic microwave synergy, and the method comprises the steps: A, carrying out the first-stage air coupling ultrasonic interference of a to-be-collected material through a pretreatment unit, and obtaining an interference collection material; step B, placing the interference collection material in a microwave heating cavity, synchronously superposing second-stage air coupling ultrasonic sound wave disturbance to the interference collection material, and carrying out collaborative stripping on the interference collection material to obtain a separated collection material; and C, the separated and collected materials are separated according to the characteristics of the separated and collected materials, and classified and collected materials of different classifications are obtained. Preliminary interface disturbance and surface impurity stripping are achieved through air coupling ultrasonic waves; then heating through combination of air coupling ultrasound and microwaves to accelerate interface softening, stripping and material layering; and continuous conveying, solid-liquid separation, material drying and screening modules are combined, an efficient, low-energy-consumption and green material sorting process is constructed, and green high-value recycling of the multi-layer composite material is achieved.