161results about How to "With renewable" patented technology

A non-wool sound screen with engaged cavities and sound absorptive surfaces is composed of two aluminium fibres sheet layers as surficial layers, two empty cavity layers, two microhole plat layers, a toothed cavity, folded partion, and fixing frame. Its advantage is high effect to decrease noise.

The invention discloses a preparation method of composite fiber of cellulose nanometer fibrils/alginate. The method includes steps of evenly dispersing cellulose nanometer fibrils under ultrasound wave function, and preparing aqueous suspension; then evenly mixing with alginate solution and obtaining the mixed solution of cellulose/ sodium alga acid as spinning raw liquid; spinning by wet method and obtaining the composite fiber of cellulose nanometer fibrils/alginate. The preparation method is simple and easy to operate, the technique is green and environmental-friendly; the prepared composite fiber of cellulose nanometer fibrils/alginate is an environment-friendly recycled material, and has the same excellent biocompatibility and biological degradability as the pure alginate fiber; the oriental controllability of cellulose nanometer fibrils is enhanced, and the cellulose nanometer fibrils and the base alginate are formed to be an interpenetrating polymer network structure, thereby effectively improving the intensity and flexibility of composite fiber and greatly improving the adaptation of alginate fiber in textile and garment and medical treatment health domain.

The invention discloses three-laminated composite board type full-nutritional rice seedling breeding bedding and a preparation method thereof and relates to rice seedling breeding bedding and a preparation method thereof. The problems that existing seedling breeding bedding is poor in water-retaining property, fertilizer efficiency in the later period of seedling breeding is poor, strength is low, and the existing seedling breeding bedding is not suitable for being transported and carried are solved. The seedling breeding bedding is divided into three layers from top to bottom, the middle layer is a core layer, and the surface layers are located on the two sides of the core layer. The preparation method comprises the following steps that (1), straw is cut into sections; (2), steaming and softening are conducted; (3), the straw is ground and kneaded to be in a fiber shape and is dried; (4), mixing is conducted; (5), paving is conducted; and (6), hot-pressing is conducted. According to the three-laminated composite board type full-nutritional rice seedling breeding bedding (as shown in figure 1) produced through the preparation method, when no water is absorbed by the three-laminated composite board type full-nutritional rice seedling breeding bedding, the static bending intensity is 21-22.8 MPa, and the internal bonding strength is 0.35-0.40 MPa; and the three-laminated composite board type full-nutritional rice seedling breeding bedding is high in strength, not prone to breakage or damage and easy to cut and can be manufactured to be in different shapes.

The invention relates to a porous foam dual-surface sound adsorption ultra-thin sound baffle, belonging to the noise control technique. It comprises: two layers of porous plates, two layers of chambers, two groups of non-fiber sound adsorption porous material, a trapezium chamber, a folded baffle plate, and the frame. Wherein, two layers of chambers are arranged between the two layers of porous plates and two groups of non-fiber sound adsorption porous material; the trapezium chamber is arranged between two groups of non-fiber sound adsorption porous material and the folded baffle plate; the frame can fix the porous plates and the folded baffle plate; two groups of non-fiber sound adsorption porous material are fixed on the folded baffle plate; each back of said groups of non-fiber sound adsorption porous plates has a group of trapezium chamber; and two groups of trapezium chambers are meshed and filled by non-fiber sound adsorption porous material. the invention can be mounted between the upper and lower rails of railway or city road or between the driveways to reduce the traffic noise.

The invention discloses a preparation method of a crop organic fertilizer. The crop organic fertilizer is prepared by coarsely crushing, cooking and finely crushing a protein-rich animal body such as mackerels of the marine fishery as a raw material through an enzymolysis and fermentation process; the reaction principle is as follows: microorganisms and enzyme preparations are subjected to a biological fermentation reaction, protein components contained in the raw material fish are decomposed into micromolecular amino acid polypeptide components, thereby facilitating plant absorption and utilization and propagating beneficial bacteria so as to achieve good effects. The crop organic fertilizer is rich in natural active materials and free of artificially synthesized hormones, has the characteristics of recycling, safety, no pollution and no residual harmful substance, contains rich protein, amino acid and mineral substances and is an excellent agricultural nitrogen element source and an animal feed protein and small peptide source.

The invention discloses concrete release paint. The concrete release paint is prepared from raw materials in parts by weight as follows: 20-40 parts of vegetable oil, 25-35 parts of dilute water, 25-35 parts of an emulsifier, 5-15 parts of a stabilizer, 2-5 parts of a thickening agent, 2-5 parts of a defoaming agent and 2-5 parts of an antirust agent. According to the concrete release paint, the vegetable oil is adopted as the environment-friendly release paint, so that the concrete release paint has the advantages of being reproducible, biodegradable and harmless to a human body; with addition of a coalescing agent and the stabilizer, the coalescing agent can guarantee excellent film-forming property and higher film-forming strength of the concrete release paint, the film-forming time isshort, a formwork is easy to clean after form stripping, construction progress and efficiency can be guaranteed, and the concrete release paint has higher stability and longer storage time by means ofthe stabilizer.

The invention discloses a preparation method for a functional film capable of simultaneously realizing oil-water emulsion separation and dye removal. The method comprises the following steps: (1) preparing a polymer matrix solution; and (2) combining a hydroxyl-containing substrate with the polymer matrix solution, and enabling acceleration of gelation and introduction of charged functional groupsto be realized in one step to obtain the functional film capable of simultaneously realizing the oil-water emulsion separation and the dye removal. According to the method disclosed by the invention,the polymer matrix solution gives high specific surface energy to the hydroxyl-containing substrate, so that super-hydrophilic underwater super-oleophobic performance is obtained, and high-efficiencyseparation of oil and water can be realized; and the charged functional groups are introduced, organic dye is adsorbed through electrostatic interaction, so that the organic dye is removed, and finally dye pollutants are removed while an oil-water emulsion is separated only by gravity.

The invention relates to a porous composite material applied to liquid pollution treatment and a preparation method thereof. The porous composite material comprises a porous base body and a functional molecular layer covering the inner and outer surfaces of the porous base body, wherein the porous base body is prepared by adopting processes of mixing inorganic materials with organic materials, forming, drying and sintering; the functional molecular layer is prepared by performing acid activation on the porous base body and treating with silane coupling agents with different functions or other organic molecules in a solution. The porous composite material has the characteristics of high selectivity and adsorption capacity on pollutants, good chemical stability and easiness in washing, can be widely applied to the industries of industrial wastewater treatment, mine smelting, electroplating, electronic production and printing and dyeing, and is especially suitable for deeply treating low-concentration wastewater containing the pollutants (such as heavy metal, organic toxin, waste oil or the like) to enable the content of the pollutants in the treated wastewater to reach the standards of domestic drinking water.

The invention relates to a preparation method of a hydrophilic flame-retardant polyester slice added with renewable microcrystalline cellulose. The technical problems of poor hydrophilcity and poor flame retardancy of PET polyester are required to be overcome. A preparation method comprises the following steps: 1) with the molar ratio of the total amount of ethylene glycol to the total amount of terephthalic acid of 1.2-1.6:1; putting ethylene glycol with the amount of not less than 70% of the total amount of ethylene glycol and the whole amount of terephthalic acid into a pulping kettle, and preparing a mixed slurry; 2) preparing a catalyst liquid from ethylene glycol with the amount of 5%-10% of the total amount of ethylene glycol and a catalyst; 3) preparing an additive suspension from microcrystalline cellulose, a flame retardant and the remaining amount of ethylene glycol; 4) carrying out heating esterification on the mixed slurry and the catalyst liquid to obtain an esterified material; 5) adding the additive suspension, and carrying out a second esterification reaction; 6) preparing a pre-polycondensation product; and 7) preparing a melt from the pre-polycondensation product, cooling, discharging, and carrying out grain-sized dicing.

The invention discloses a beta-cyclodextrin containing halogen amine antimicrobial agent copolymer as well as a preparation method and an application of the copolymer. The antimicrobial agent copolymer is a compound shown as a formula (I). The preparation method comprises the steps: dissolving double-bond maleic anhydride modified beta-cyclodextrin and a double-bond halogen amine compound into a mixed solution of ethanol and water, adding a redox initiator, reacting at a temperature of 35-70 DEG C under the protection of nitrogen for 3-10 hours to acquire a beta-cyclodextrin containing halogen amine antimicrobial agent copolymer precursor, and halogenating the precursor to acquire a finished product of the beta-cyclodextrin containing halogen amine antimicrobial agent copolymer. In the application of the beta-cyclodextrin containing halogen amine antimicrobial agent copolymer in preparing antibacterial nano fiber materials, the precursor is mixed with easily spun high polymer materials in proportion in a proper solvent, then nano fiber materials are acquired through electrostatic spinning, and then antibacterial nano fiber materials are acquired after halogenation. The antimicrobial agent copolymer disclosed by the invention has excellent antibacterial performance, the synthetic process is easy and controllable, the reaction time is short, the condition is mild, and the acquired nano fiber materials have good antibacterial performance and high antibacterial efficiency.

The invention relates to a method for preparing methanol fuel by utilizing biomass charcoal. The method is characterized in that the biomass charcoal is used as a carbon source, steam is used as an activator, and synthesis gas (H2/CO) is prepared through a decomposition reaction of the biomass charcoal and the steam; the proportion of hydrogen to carbon in the synthesis gas is regulated through using a water gas shift reaction and a calcium hydroxide slurry absorbing method; and the synthesis gas is catalytically converted to the methanol fuel by adopting a copper-zinc-aluminum oxide three-way catalyst. By adopting the method, the methanol fuel with a high additional value is prepared by utilizing the biomass charcoal, so that a green process route for sustainable development is provided.

The invention belongs to the technical field of catalytic chemistry, and relates to a high-efficiency composite catalyst for preparing acrylic acid by using lactic acid for catalytic dehydration and a preparation method and application of the high-efficiency composite catalyst. The preparation method comprises the following steps: firstly, performing modification treatment on HZSM-5 by using an alkali liquid with certain concentration, thereby obtaining ZSM-5 with certain mesopores, wherein the obtained catalyst is named as ZSM-5-AT; further modifying ZSM-5-AT through metal ion exchange or a metal salt steeping method; finally treating the modified catalyst by using a phosphate solution for modification so as to obtain the composite modified catalyst which can be used in reaction that acrylic acid is prepared by efficiently catalyzing lactic acid to dehydrate. The catalyst provided by the invention has characteristics of high stability, high selectivity, high reproducibility and the like when being used for preparing acrylic acid by using lactic acid through dehydration, and the industrial large-scale production requirements are well met; moreover the lactic acid is prepared from a biomass fermentation product lactic acid as a raw material, and practice basis is also made for alleviating the over-dependence of acrylic acid on oil resources.

The invention relates to the technical field of chemical fiber processing and particularly relates to a method for preparing fine denier strong viscose fibers. The method comprises the following steps: mixing softwood dissolving pulp and broadleaf wood dissolving pulp according to a certain ratio, dipping, squeezing and grinding to obtain alkali cellulose, and performing oxidative degradation andyellowing on the alkali cellulose to obtain a cellulose sulfonate solution; adding a small amount of a denaturing agent into the cellulose sulfonate solution, filtering, defoaming and curing to obtaina viscose stock solution containing the denaturing agent; spinning by adopting a two bath process, and performing special after-treatment on the formed viscose fibers, so as to obtain the fine denierstrong viscose fibers with low defect content. The preparation method is simple, the cost is low, the prepared fine denier strong viscose fibers are extremely low in defect content and extremely lowin residual sulfur content and can be applied to the field of textile and garment, and the used raw material pulp totally comes from raw woods and has the environmental-friendly characteristics of being natural, safe and recyclable.

The invention relates to application of cellulose nanofiber as a flow pattern regulator for drilling fluids. According to the technical scheme, the cellulose nanofiber applied to the flow pattern regulator for drilling fluids has an addition of 0.1-3.0% in a drilling fluid, by volume. The application has the advantages that cellulose chains are mutually tangled to from a three-dimensional-meshed spatial grid structure which arrives at 'viscosity enhancing and shear improvement'; the spatial grid structure is very easy to damage under the action of external force; after the external force is removed, the spatial grid structure restores; featuring 'rapid weak gelling', the spatial grid structure helps enhance shear dilution and thixotropy of a drilling fluid system, and therefore, rheological properties of the drilling fluid system are effectively controlled; the cellulase nanofiber provided herein as the flow pattern regulator for drilling fluids has good 'viscosity enhancing and shearimprovement' functions for a drilling fluid, and also features regenerability, zero toxicity, degradability, low cost and the like.

The invention discloses porous and granular ANFO (ammonium nitrate fuel oil) and a preparation method thereof. The porous and granular ANFO comprises components in percentage by mass as follows: 93%-97% of porous and granular ammonium nitrate and 3%-7% of biomass fuel oil, wherein the distillation range of the biomass fuel oil is 170 DEG C or higher. The preparation method of the porous and granular ANFO comprises the steps that hydrogenated oil is subjected to thermal cracking rapidly in presence of a catalyst, a cracking product is purified, light yellow transparent biomass fuel oil is obtained and mixed with porous and granular ANFO in proportion, and the porous and granular ANFO is obtained. The porous and granular ANFO has high storage stability and better explosion performance, the preparation method adopts a simple process, the used raw materials are renewable energy sources, little environmental pollution is produced, and industrial production is facilitated.

The invention relates to the technical field of chemical fiber processing, in particular to a clean high-white viscose fiber preparation method which includes the steps: performing meal mixing on softwood dissolving pulp and hardwood dissolving pulp according to a certain proportion, soaking, squeezing and crushing mixture to obtain alkali cellulose, oxidizing, degrading and yellowing the alkali cellulose to obtain sulphonic acid ester solution; performing filtering, defoaming and ripening to obtain viscose stoste, uniformly mixing the viscose stoste and matting agent dispersion liquid, conveying mixture into a spinning machine, and coagulating the mixture to regenerate nascent fibers; converging the nascent fibers into long tows by a godet and a two-bath groove, and enabling the long tows to sequentially enter a drawing machine, a nap groove and a desizing machine to obtain the clean high-white viscose fiber. The prepared clean high-white viscose fiber is low in defect content and less in residual sulfur content and can be used for the fields such as non-woven fabrics and medical sanitation materials, and used pulp raw materials are completely from native woods and have natural,safe, reproducible and environment-friendly advantages. The clean high-white viscose fiber is simple to prepare and low in cost, and the market competitiveness of the viscose fiber can be improved.

The invention discloses an evaporative cooling air conditioning system powered by wind and solar hybrid technology and used for an outdoor sentry box. The evaporative cooling air conditioning system comprises a wind power generation windmill, a solar panel, a power control cabinet and an evaporative air conditioner, the wind power generation windmill is arranged outside the outdoor sentry box, and the solar panel, the power control cabinet and the evaporative air conditioner are arranged outside the head cover of the outdoor sentry box, the wind power generation windmill, the evaporative air conditioner are respectively connected with the power control cabinet, a head-cover type air supply pipe arranged in a circle is arranged inside the head cover of the outdoor sentry box, a plurality of adjustable air supply outlets are formed in the head-cover type air supply pipe, a branched air supply pipe is vertically arranged on the head-cover type air supply pipe, and the branched air supply pipe penetrates the head cover of the outdoor sentry box to be arranged between the solar panel and the evaporative air conditioner. The evaporative cooling air conditioning system is energy saving, environmentally friendly, concise, economic and attractive, and capable of effectively providing a cool and comfortable environment for people working outdoors in hot summer.

The application relates to a biological metal corrosion inhibitor and an application thereof. The biological metal corrosion inhibitor contains Vibrio neocaledonicus sp which is capable of growing on the surface of a metal to form a biological film with a metal corrosion inhibition effect, thus the corrosion resistance of the metal in a water-phase system is greatly improved. The traditional contaminative protection technologies such as electroplating and chemical plating can be replaced to realize green protection of metal structures, and meanwhile, the maintenance cost can also be greatly lowered.

The invention provides bio-based water-based coating and a preparation method and application thereof. The bio-based water-based coating comprises a bio-based resin emulsion and an antibacterial and antiviral composite filler, wherein the antibacterial and antiviral composite filler comprises an inorganic nonmetallic mineral carrier, nano titanium dioxide and nano silver, wherein the nano titaniumdioxide and the nano silver are loaded on the inorganic nonmetallic mineral carrier. The bio-based water-based coating takes the bio-based resin emulsion as a film-forming substance, has the characteristics of greenness, renewability and degradability, and can fully meet the environmental protection requirements of coating; meanwhile, the antibacterial and antiviral composite filler is an inorganic antibacterial filler which has a photocatalytic oxidation antibacterial property and is synergistic by multiple components, so that the coating film is endowed with efficient, broad-spectrum and lasting antibacterial and antiviral properties. The bio-based water-based coating satisfies the requirements of environmental protection, antibiosis and antivirus, has favorable water resistance, alkaliresistance and stain resistance after film formation, and is especially suitable to be used as building coating in building exterior wall or indoor coating.

The invention belongs to battery design and a preparation method, relating to a heat energy power generation battery. The invention is provided with an anion-exchange membrane which divides a sealed container into a first container and a second container with different volumes in a sealed container serving as an electrolytic cell, and the anion-exchange membrane has electric insulativity; the first container contains aqueous solution of organic base molecules of which the dissociation constant decreases while temperature rises, and the second container contains water; and parts of bottom of the first container are set into the part required to heat, the heating part in the first container and the second container are provided with electrodes. The invention mainly utilizes the phenomenon that the dissociation constant of the organic base molecules decreases while temperature rises and parts of hydroxyl ions are consumed so as to generate the hydroxyl ion concentration difference on two sides of the anion-exchange membrane; the hydroxyl ion diffuses through the anion-exchange membrane to generate potential difference to do work to outside, and the internal circulation of the organic base molecules and ions produced by heating is utilized to realize continuous and constant current.

The invention discloses an environment-friendly microemulsion capable of being dispersed into nano liquid drops in situ, and a preparation method and application thereof. The microemulsion comprises the following components in parts by weight: 18.5-45 parts of emulsifier, 5-10 parts of water, 0-3 parts of assistant and the balance of biodiesel, totaling 100 parts. The microemulsion has favorable high-temperature stability, solves the problem that the existing nano emulsion treating agent can easily fail in a severe environment, does not generate environmental pollution by using green degradable biodiesel as the raw material, and has favorable lubricating effect. Besides, the microemulsion can be dispersed into nano liquid drops in water in situ, and can perform favorable lubricating and plugging effects on micro/nano cracks in well drilling when being used as a treating agent of the water-base drilling fluid.

The invention discloses a combined beam of engineered wood, profiled steel sheet and light-weight aggregate concrete and a production and installation method of the combined beam. The combined beam comprises an engineered wood beam, a profiled steel sheet, a light-weight aggregate concrete wing plate, a transverse steel bar and longitudinal steel bars. The production and installation method comprises the following steps: manufacturing the engineered wood beam; pre-drilling holes in a marked position of the top of the engineered wood beam by using a drill bit of a drilling machine; paving the profiled steel sheet, and then penetrating connecting pieces through the profiled steel sheet by using an electric wrench to drive into pre-drilled holes in the top of the engineered wood beam; manufacturing the light-weight aggregate concrete wing plate; and performing concrete curing, and disassembling end plates or baffle plates at the ends of the profiled steel sheet until light-weight aggregate concrete achieves design ultimate compressive strength. According to the combined beam, the engineered wood beam is combined with the profiled steel sheet and the light-weight aggregate concrete wing plate, the manufacturing cost of the combined beam is reduced, and the rigidity and bearing capacity of the combined beam are improved, so that engineered wood and concrete make full use of respective advantages, and the tensile property of the engineered wood and the compressive property of the concrete are improved.