47results about How to "Reduce environmental burden" patented technology

The invention relates to the technical field of industrial automatic control, and discloses an electric control cabinet internal intelligent layout optimization and thermal management system, which comprises an intelligent layout optimization module, which adopts a particle swarm optimization algorithm to comprehensively analyze the multi-dimensional parameter size, the weight, the heat dissipation requirement and the like of internal equipment of an electric control cabinet, realizes layout optimization, and provides a thermal management module for the internal equipment of the electric control cabinet; the method comprises the following steps: receiving equipment parameters input by a user or automatically extracted from an equipment database, including but not limited to physical sizes, power consumption, thermal loads and the like of the equipment, and optimizing targets, including maximizing a space utilization rate, minimizing heat dissipation obstruction, optimizing a maintenance path and ensuring a safe distance between the equipment. According to the internal intelligent layout optimization and heat management system of the electric control cabinet, by comprehensively applying artificial intelligence, three-dimensional modeling, a multi-element heat dissipation technology and an Internet of Things technology, optimal layout and efficient heat management of internal equipment of the electric control cabinet are achieved, and the operation efficiency, safety and maintainability of the electric control cabinet are remarkably improved.

The invention discloses lanthanum-cerium mixed rare earth corrosion-resistant twisted steel with yield strength of 400MPa. The lanthanum-cerium mixed rare earth corrosion-resistant twisted steel comprises the following elements: 0.10 to 0.20 percent of C, 0.25 to 0.80 percent of Si, 0.90 to 1.60 percent of Mn, 0.020 to 0.045 percent of V, 0.003 to 0.010 percent of Ti, less than or equal to 0.010 percent of P, less than or equal to 0.010 percent of S, 0.25 to 0.65 percent of Ni, 0.25 to 0.70 percent of Cr, 0.10 to 0.18 percent of RE, less than or equal to 0.20 percent of Cu, less than or equal to 0.004 percent of O, less than or equal to 0.006 percent of N and the balance of Fe and inevitable impurities. The invention further discloses a production method of the lanthanum-cerium mixed rare earth corrosion-resistant twisted steel with the yield strength being 400 MPa. The production method comprises the working procedures of converter smelting, argon blowing refining, LF furnace refining, continuous casting and rolling, and the lanthanum-cerium mixed rare earth reinforced alloy cored wire and the silicon-calcium wire are fed into molten steel in the argon blowing refining process. The components, inclusions and mechanical properties of the produced 400 MPa-grade lanthanum-cerium mixed rare earth steel bar completely meet the technical requirements of the steel bar, the quality control requirement is met, and the 400 MPa-grade lanthanum-cerium mixed rare earth steel bar has the advantages of being high in strength, high in plasticity, resistant to corrosion and the like. The service life of the steel is prolonged, coating and galvanization are avoided, the burden of environmental protection is relieved, and reasonable application of resources is facilitated.

The invention discloses a method for preparing high aspect ratio calcium carbonate whiskers by carbon fixation in steel smelting slag leachate, belonging to the technical field of solid waste resource utilization. The method comprises the following steps: leaching steel smelting slag to obtain calcium-magnesium leachate and leach slag; removing impurities from the calcium-magnesium leachate by a pH swing method to obtain a calcium-magnesium purified solution; capturing the gas containing carbon dioxide by an alkaline solution to obtain a carbonated solution; adjusting the pH of the calcium-magnesium purified solution to convert magnesium ions into magnesium hydroxide, placing the solution in an ultrasonic field, adding the carbonated solution to carry out a carbon fixation reaction, and washing and drying the precipitate obtained by the reaction to obtain calcium carbonate whiskers. The method not only successfully realizes the efficient resource utilization of two wastes, steel smelting slag and carbon dioxide flue gas, but also produces high value-added calcium carbonate whisker products while stably fixing carbon dioxide, and has broad application prospects and environmental value.

The gas barrier film comprises a biaxially oriented polyester film and an inorganic thin film layer, the biaxially oriented polyester film comprises a chemically recycled polyester, and the melt resistivity of the biaxially oriented polyester film at 285 DEG C is 1.0 * 10 < 8 > omega.cm or less. The laminate may include a gas barrier film and include at least one of a sealant layer and an adhesive layer. A packaging container may include a laminate.

The invention relates to a nano-pesticide with photolysis resistance based on enzymatic hydrolysis lignin and a preparation method, and belongs to the technical field of nano-pesticides. The nano-pesticide is a black sphere, the effective particle size is 160-200 nm, the drug loading rate is 35.72%, the nano-pesticide has good photolysis resistance, and the photolysis half-life period is prolonged by 1.56 times compared with that of prothioconazole original drug; the composition is used for rice blast diseases. According to the nano pesticide, enzymatic hydrolysis lignin is used as a carrier, a prothioconazole bactericide is used as a loading drug, and tannic acid and copper ion coatings are used for coating; functional groups such as phenol and ketone in the enzymatic hydrolysis lignin can effectively absorb a large range of ultraviolet rays and reduce ultraviolet radiation, so that the enzymatic hydrolysis lignin has excellent oxidation resistance and ultraviolet resistance; meanwhile, the enzymatic hydrolysis lignin has renewability, environmental protection property and degradability, and the coating of tannic acid and copper ions can further improve the antifungal ability of the nano pesticide, improve the thermal stability of the nano pesticide, increase the release rate of the pesticide and have the ability to reduce the loss of the pesticide.

The invention discloses a control method and system of a dual-energy water heating device. The method at least comprises the following working modes according to user requirements: when a user aims at meeting a large amount of hot water requirements, a comfortable mode can be adopted; a user expected water use temperature Ts, a water tank upper part actual temperature Tu, a water tank lower part actual temperature Td, a gas heating return difference temperature Ta and a heat pump heating return difference temperature Tb are respectively obtained; when Td is smaller than or equal to Ts-Tb, the heat pump system is started to heat the water tank, and when Td is larger than or equal to Ts, the heat pump system is closed, and the previous step is executed again; and when Tu is smaller than or equal to Ts-Ta, a gas system is started to heat the water tank, and when Tu is larger than or equal to Ts, the gas system is closed, and the previous steps are returned. The dual-energy water heating device can be automatically controlled to operate in the most suitable heating mode in response to different requirements of users and external environment conditions. And in different operation modes, the use ratio of the heat pump to the fuel gas is dynamically adjusted, and the overall energy efficiency of the system is improved to the maximum extent while it is ensured that the user requirements are met.

[Task] To provide a plant and a method for producing glass and hydrogen which can reduce environmental burden. [Solution] A the plant 1 for producing glass and hydrogen includes: a glass melting furnace 2 that melts a glass raw material with combustion heat of fuel to generate molten glass 12; an exhaust passage 3 which extends from the glass melting furnace and through which exhaust gas generated in the glass melting furnace passes; a boiler 5 that is provided in the exhaust passage and conducts heat exchange between the exhaust gas and water to generate steam; and an electrolyzer 4 that electrolyzes the steam to generate hydrogen and oxygen. The glass melting furnace includes a burner 14 that burns the fuel with a combustion supporting gas having an oxygen concentration of 21 volume% or higher. The burner is connected to the electrolyzer by an oxygen supply pipe 18. The oxygen generated by the electrolyzer is supplied to the burner via the oxygen supply pipe.

The invention relates to the technical field of enzyme engineering, in particular to a malic enzyme mutant and application thereof. Specifically, the malic enzyme derived from Escherichia coli is subjected to site mutation screening, and results show that after methionine at the 144th site is mutated into isoleucine (M144I), glutamine at the 253rd site is mutated into isoleucine (Q253I), and threonine at the 327th site is mutated into phenylalanine (T327F), the catalytic efficiency and the catalytic activity are obviously improved, which is of great significance to industrial application.

The invention discloses a preparation method of a camellia oleifera shell biomass charcoal improved water-retaining agent and greenhouse gas emission reduction application of the camellia oleifera shell biomass charcoal improved water-retaining agent, and belongs to the technical field of soil improvement. Comprising the following steps: calcining and crushing camellia oleifera shells to obtain camellia oleifera shell biomass charcoal powder; and mixing the camellia oleifera shell biomass charcoal powder with polyacrylamide according to a mass ratio of 10: 1, adding water, fully mixing to obtain a mixed glue solution, drying, crushing and sieving to obtain the camellia oleifera shell biomass charcoal improved water-retaining agent. The camellia oleifera shell biomass charcoal is adopted to improve polyacrylamide to form a novel improved water-retaining agent, the water-retaining agent can improve the soil structure and increase the soil moisture, the air permeability and the moisture condition of the soil can be adjusted, a nitrogen source for denitrification of microorganisms is reduced by reducing DON and NO3-N in the soil, the nitrogen source is reduced, and the nitrogen source is reduced. Therefore, the generation of NO is reduced.

The present invention provides a process for recovering nylon 6 and Spandex elastomeric fibers from nylon 6 and Spandex elastomeric fiber products in a plant wherein the plant comprises a separation section [B] comprising a dissolution section [alpha] and a precipitation section [gamma].

The invention discloses an antibacterial packaging material as well as a preparation method and application thereof. The antibacterial packaging material is prepared from pineapple leaf fiber carboxymethyl cellulose, carboxymethyl cellulose, cationic starch, 3-hydroxyl octoate, alpha-tocopherol, dimethylbiguanide hydrochloride, a plasticizer, nitrogen-doped carbon quantum dots, plant essential oil, nano zeolite powder, carvacrol and citric acid. The preparation method comprises the following steps: dispersing the cationic starch in the deionized water, dispersing the pineapple leaf fiber carboxymethyl cellulose and carboxymethyl cellulose in the deionized water, completely dissolving, adding into a starch solution, sequentially adding the rest components, uniformly mixing, heating, reacting, forming a film, and drying to obtain the packaging material. According to the antibacterial packaging material, the cationic starch, the carbon quantum dots, the plant essential oil and other related components are combined for the first time to form a novel antibacterial packaging material, the antibacterial performance is remarkably improved and kept for a long time through the synergistic effect of all the components, and the antibacterial packaging material is high in material stability, simple and convenient in preparation process, low in cost and high in application and popularization value.

The invention discloses a process method for producing sodium sulfide from solid waste after waste lithium battery treatment. The process method comprises the following steps: step 01, material preparation section; 02, a preheating section; step 03, a calcining section; step 04, a heating section; step 05, evaporation section; step 06, a product packaging section; and pumping the sodium sulfide concentrated solution into a tabletting machine in a tabletting and packaging section, cooling and solidifying the sodium sulfide concentrated solution into a solid, blanking, slicing and packaging into a sodium sulfide product. According to the invention, resource utilization of the graphite slag as the solid waste is realized, and the economic benefit of the waste lithium battery product is improved. In the whole sodium sulfide production process method, a raw material preheating method and an indirect heating external heating type calcining rotary furnace are adopted, so that substances such as oxygen in water vapor and flue gas are not in contact with a reaction mixture, and side chemical reactions causing generation of impurities such as sodium carbonate, sodium thiosulfate or sodium polysulfide are avoided as far as possible from the source; therefore, the yield of the product is improved, the impurity content in the product is low, and the purity of the product is improved.

[Problem] To provide an optical film which has excellent visibility and is capable of reducing the burden on the environment. [Solution] An optical film for laminating a functional layer, the optical film containing a polyester, the biomass degree of the optical film being 10% or more, the total light transmittance of the optical film being 70% or more, and the in-plane phase difference of the optical film being 3,000 nm to 30,000 nm (inclusive).

The invention discloses a method for producing a liquid bacterial fertilizer by using ackermania muciniphila fermentation waste liquid, which comprises the following steps: adjusting the pH value of the ackermania muciniphila fermentation waste liquid to 6.5-7.5; and putting the mixture into a fermentation tank, sterilizing, cooling to 35-39 DEG C, inoculating a seed solution of at least one of bacillus and lactobacillus according to the volume content of 1-5%, and fermenting for 20-30 hours to obtain the liquid bacterial fertilizer. The method is simple in preparation, the ackermania muciniphila fermentation waste liquid can be turned into wealth, environmental protection burden is relieved, the liquid bacterial fertilizer obtained through the method is low in COD, water is purified, gamma-polyglutamic acid is contained, and when the liquid bacterial fertilizer is applied to plants, the soil structure can be improved, plant root development and plant growth can be promoted, and green low-carbon cycle development is achieved.

To provide a stretched polyethylene film for lamination which has high recyclability and is excellent in heat resistance. A stretched polyethylene film for lamination, which comprises a polyethylene (A) having a weight average molecular weight (Mw) as measured by gel permeation chromatography of from 70,000 to 250,000, a proportion of fractions with a molecular weight of 10,000 or less of 8 wt% or less, and a density as measured in accordance with JIS K6922-1 (1997) of from 945 to 980 kg / m3, and has at least one peak in a range of 135°C or higher in an endothermic curve as measured by differential scanning calorimetry.

Provided is a regenerated positive electrode material containing: lithium, nickel, cobalt, and manganese; 0.3% by mass or more and 3% by mass or less of aluminum; and less than 1 mass% of copper and / or iron.

The present invention provides a water-absorbing resin that is excellent in water absorption performance and is easy to be degraded. The present invention relates to a water-absorbing resin, which is a crosslinked product of a glucose polymer and forms a physical gel upon absorption of water, wherein the glucose polymer is a starch or a partially degraded starch, with an acidic group introduced therein.

The invention belongs to the technical field of magnesium alloy processing, and relates to a circulating cryogenic-annealing treatment method for reducing anisotropy of a magnesium alloy profile. Providing an extruded magnesium alloy profile formed by extrusion; the extrusion-state magnesium alloy profile is subjected to at least three times of cryogenic-annealing treatment, and each cryogenic-annealing treatment process comprises the following steps: firstly, the extrusion-state magnesium alloy profile is placed in an environment with the temperature of-200 DEG C to-190 DEG C for cryogenic treatment; and then the magnesium alloy profile subjected to subzero treatment is heated to 400-450 DEG C for annealing treatment. According to the method provided by the invention, the magnesium alloy extruded profile tends to be isotropic, the room-temperature ductility of the magnesium alloy extruded profile is improved, and a solid foundation is laid for application of the magnesium alloy extruded profile in more fields with strict requirements on performance uniformity. According to the method, the stability of the process is easily realized, the treatment period is relatively short, and the requirements of the market on products can be met more quickly.

This invention provides a golf ball and a charging device for it. The golf ball includes a shell; a circuit module disposed within the shell, the circuit module including a battery and a component to be powered, the battery supplying power to the component; and a wireless receiving module disposed within the shell, the wireless receiving module including a receiving coil for receiving electrical energy from an external wireless charging pad, the wireless receiving module being electrically connected to the battery to transmit electrical energy to the battery. This invention solves the problem in the prior art where golf balls are difficult to wirelessly charge, thus hindering their reuse.

The invention relates to the technical field of fire fighting, and provides a durable anti-falling fire extinguisher. The fire extinguisher comprises an aerogel tank body, a spraying channel, a pressing nozzle and a durable anti-falling assembly. The durable anti-falling assembly comprises a rotating rod extending into the tank body, a stirring piece and a driving conversion mechanism for converting external impact into power of the rotating rod. Impact energy such as vibration and falling borne by the fire extinguisher in use and transportation is ingeniously converted into power for driving an internal stirring part to rotate through a mechanical structure, so that an aerogel fire extinguishing agent is continuously stirred, deposition failure of key components is prevented, and the storage life of the fire extinguishing agent is remarkably prolonged to more than 10 years. Meanwhile, impact energy is consumed in the energy conversion process, and the buffering and falling preventing performance is enhanced. Preferably, a self-adaptive buffer assembly based on magnetorheological fluid can be further arranged to cope with extreme impact. According to the invention, the unification of fire extinguishing efficiency persistence and physical durability is realized, and the method is particularly suitable for vehicle-mounted and other scenes with mobile and high-reliability requirements.

The invention relates to the technical field of films, in particular to a degradable heat shrinkage film and a preparation method thereof. The degradable thermal shrinkage film comprises an upper-layer film, a middle-layer film and a lower-layer film, the upper-layer film and the lower-layer film comprise one or more of LDPE, MLLDPE and HDPE, and the middle-layer film comprises 80-90 parts of degradable master batch and 10-20 parts of corn starch modifier; the corn starch modifier comprises corn starch, polyvinyl alcohol, vegetable protein fibers and a natural polymer; the degradable master batch comprises polyethylene powder, peroxide, metal salt and a stabilizer. Compared with an existing heat shrinkage film and an existing degradable film, the degradable heat shrinkage film has more excellent environment-friendly performance, higher degradability and more balanced mechanical performance, through the synergistic effect of biodegradation of the corn starch modifier and chemical degradation of the degradable master batch, the excellent performance of the heat shrinkage film can be kept, and the degradable heat shrinkage film has the advantages of being environmentally friendly and capable of being widely applied. And the material can be quickly degraded after being used, so that the burden on the environment is reduced.

The invention discloses non-dairy creamer-free tofu pudding powder, non-dairy creamer-free tofu pudding and a preparation method of the non-dairy creamer-free tofu pudding. The non-dairy creamer-free tofu pudding powder comprises the following components in parts by mass: 40-60 parts of instant bean flour, 2-8 parts of cyperus esculentus powder, 0-8 parts of inulin, 20-30 parts of carbohydrates and sugar alcohols, 1.8-4 parts of a stabilizer and the balance of maltodextrin. The non-dairy creamer component in the traditional tofu pudding is removed, so that the content of trans fatty acid and saturated fatty acid is reduced, and the pursuit of modern people for healthy diet is better met. The cyperus esculentus is rich in nutrient substances such as various proteins, monounsaturated fatty acids and dietary fibers, the inulin is widely applied in simulating fat taste and providing viscosity in a low-fat product, and the compounding of the cyperus esculentus and the inulin can replace non-dairy creamer to provide fat taste in the tofu pudding product, so that the intestinal health is promoted, and the nutritional value of the tofu pudding product is improved. The formula without the non-dairy creamer can also effectively reduce the dependence of the tofu pudding product on processing grease, and is beneficial to reducing the environmental burden in the production process.

The present invention provides a process for recovering purified epsilon-caprolactam from a nylon 6-containing multi-component material, comprising the steps of a) providing a pre-concentrated nylon 6-containing material by extraction, b) depolymerizing, c) recovering and d) purifying comprising extraction, back extraction, distillation and crystallization.

The invention relates to the technical field of metal material surface cleaning agents, in particular to a degreasing agent special for a steel plate and a preparation method thereof. The special degreasing agent for the steel plate comprises the following components in parts by mass: 35-36 parts of an alkali washing agent, 40-41 parts of a builder, 15-16 parts of a filling agent, 0.5-1 part of a surfactant and 8-10 parts of a chelating agent, wherein the chelating agent is sodium nitrilotriacetate and sodium gluconate, and the filling agent is sodium sulfate. The degreasing agent special for the steel plate does not contain harmful substances such as heavy metal and phosphorus, pollution to the environment can be effectively reduced, the saponification reaction of oil stains is enhanced by adding the chelating agent, the cleaning effect is remarkably improved, and the degreasing agent has both environment friendliness and efficient cleaning performance.

The present application addresses the problem of providing: a conductive material dispersion having excellent performance; and methods for manufacturing a positive electrode for a lithium ion secondary battery and a lithium ion secondary battery, using the same, and in order to solve the problem, said conductive material dispersion contains at least a conductive material, a dispersion medium, a polyvinyl acetal-based resin, and a cellulose-based resin, wherein 10-200 parts by weight of the polyvinyl acetal-based resin is contained with respect to 100 parts by weight of the cellulose-based resin.

The invention relates to the technical field of environment-friendly coatings, in particular to a production process of an anti-rust primer, which comprises the following steps: preparing a main agent, adding bio-based epoxy resin, zinc-free anti-rust pigment, filler, dispersing agent and defoaming agent into a reaction kettle according to the mass ratio of (40-50%): (15-25%): (10-20%): (0.5-2%): (0.3-1%), stirring for 60-90 minutes at the temperature of 30-45 DEG C and the speed of 800-1200 rpm, adding a functional auxiliary agent, stirring for 20-30 minutes at the temperature of 30-45 DEG C, and cooling to room temperature. The production process comprises the following steps: S1, mixing a main agent and a curing agent, adding a flatting agent, an adhesion promoter and a hydrophobic modifier into a mixture in S1, continuously stirring for 20-30 minutes at 500-800rpm, preparing a finished product, mixing the main agent and the curing agent according to a mass ratio of (4: 1)-(5: 1), and stirring for 30 minutes at a constant speed at 25-35 DEG C to obtain the anti-corrosive primer. The raw materials are from renewable resources, the consumption of petroleum-based materials is reduced in the production process, and the concept of environmental protection and sustainable development is met; through the synergistic effect of the special zinc-free anti-rust pigment and the bio-based resin, the anti-rust performance of the coating is ensured while the risk of heavy metal pollution is eliminated.

The utility model discloses a novel portable permanent magnet synchronous motor outgoing line plate structure, which relates to the technical field of permanent magnet synchronous motor outgoing line plate structures, and comprises a plurality of groups of insulating frameworks, a circle is enclosed by the plurality of groups of insulating frameworks, each insulating framework is provided with a stator core and a winding, and the upper end of each insulating framework is provided with an outgoing line bar. The outgoing line bar is connected with the insulation framework through a hook, a plurality of groups of GND wiring boards are arranged in the outgoing line bar, the wiring boards are connected with motor wiring harnesses, and compared with a traditional outgoing line structure utilizing a wiring board assembly and a layered structure of an outgoing line board and the GND wiring boards, the outgoing line structure in which the outgoing line bar is matched with the GND wiring boards has the advantages that expensive die cost and process procedures are reduced; the production cost is reduced.

The present invention relates to the field of film technology, and specifically to a degradable heat shrinkable film and a preparation method thereof. The degradable heat shrinkable film comprises an upper film, a middle film and a lower film, wherein the upper film and the lower film comprise one or more of LDPE, MLLDPE and HDPE, and the middle film comprises 80-90 parts of a degradation masterbatch and 10-20 parts of a corn starch modifier; the corn starch modifier comprises corn starch, polyvinyl alcohol, plant protein fiber and a natural polymer; the degradation masterbatch comprises polyethylene powder, peroxide, metal salt and stabilizer. The degradable heat shrinkable film of the present application has better environmental performance, stronger degradability and more balanced mechanical properties than existing heat shrinkable films and degradable films. Through the synergistic effect of the biodegradation of the corn starch modifier and the chemical degradation of the degradation masterbatch, the excellent performance of the heat shrinkable film can be maintained, and it can also be quickly degraded after use, reducing the burden on the environment.

The present invention provides a composition comprising a sugar-based surfactant and an aqueous solvent, a film-coated food having a film comprising a sugar-based surfactant, and a method for manufacturing a film-coated food by applying the aforementioned composition to a food and a method for forming a film. In addition, the present invention provides a method for shipping a food, which includes: (A) a step of conveying the food, (B) a step of forming a film on the food, and (C) a step of inspecting the film-coated food using an evaluation device, wherein in the aforementioned step (B), the film is formed by the aforementioned film forming method. A composition capable of maintaining the freshness of food without using a resin packaging film, a film-coated food, a method for manufacturing a film-coated food, a film forming method, and a method for shipping a food can be provided.

Provided is a liquid storage member for a coating tool, which further reduces the influence on the environment by using silica instead of conventional aluminum as a material for an intermediate layer interposed between an inner layer and an outer layer, both of which are made of paper as a base material, in a paper refill for a writing tool. An ink storage member for a writing instrument is characterized by having at least three layers comprising an inner layer of a paper base material, an intermediate layer formed on the outer surface of the inner layer, and an outer layer of a paper base material formed on the outer surface of the intermediate layer, the intermediate layer has at least one of an alumina film layer, a silica film layer formed from low molecular silane, and a silica film layer formed from polysilazane.