153results about How to "Promote the process of industrialization" patented technology

The invention discloses a pleurotus eryngii cultivation method and a cultivation material thereof. The cultivation material comprises the following components in parts by weight: 30 to 40 parts of corncobs or cornstalk, 0 to 60 parts of cotton seed shells, 8 to 10 parts of wheat bran, 5 to 8 parts of kapok seed powder, 5 to 8 parts of cornmeal, 1 to 2 parts of plaster powder and 1 to 3 parts of lime powder. The traditional formula using pure cotton seed shells as the mail materials is changed, and the optimized high-yield formula using the corncobs or cornstalk, kapok seed shells and the like is developed. The invention reduces the production cost, further standardizes the fore treatment of the cultivation material and the reasonable and scientific formula, provides the functions of sterilization and disinfection and obtains high yield and good quality of rare mushrooms through cultivation by using the stalk of crops.

The invention discloses a 2:17 type samarium-cobalt sintered magnet material and a preparation method thereof. The 2:17 type samarium-cobalt sintered magnet material comprises the following raw materials in percentage by mass: 10 to 25 percent of samarium, 45 to 55 percent of cobalt, 10 to 20 percent of iron, 3 to 9 percent of copper, 1 to 3 percent of zirconium and 5 to 15 percent of at least one heavy rear earth element. Due to the selection and the proportion of the raw materials and the innovation of the sintering process, a microstructure of the magnet material is optimized, and the aims of reducing the temperature coefficient of a magnet and simultaneously maintaining higher magnetic energy product of the magnet are fulfilled, wherein the magnetic energy product of the prepared magnet is 14 to 25 MGsOe, the residual magnetism temperature coefficient is about -0.005 to -0.03 percent per DEG C, and a lower magnetic flux temperature coefficient is maintained in an environment at the temperature of between -35 and 300 DEG C.

The invention provides a vegetation recovery method for a nonferrous metal mining wasteland, which comprises the following steps: 1), terrain consolidation; 2), heavy metal stabilizing disposal; 3), shallow acid-base improvement and flexible impervious isolation: spraying the mixture of an acid-base modifier, a vegetative matrix and resin to a wasteland surface; 4), setting a section of drainage ditch; and 5), laying a vegetation cushion: laying a vegetation cushion on a slope surface and fixing the vegetation cushion with an anchor rod. The method provided by the invention combines the terrain consolidation, the heavy metal stabilizing disposal, the shallow acid-base improvement, the surface layer impervious isolation, wasteland vegetation recovery and other technologies to prevent heavy metal ions from relocating and diffusing to pollute the environment; the wasteland vegetation system is recovered; and the vegetation recovery method is high in standardization and industrialization level, is 2 to 3 times higher than a conventional soil replacement spray-sowing greening method in efficiency, low in governance cost, suitable for the popularization and application of ecological environmental management of large-area nonferrous metal mining wastelands, and remarkable and stable in effect.

The invention provides a H2s removing method from the gas mixture, comprising a provision of absorption of liquid, with the solution selected from N-methyl diethanolamine, aminoethanol and their mixture, under 0. 05-0. 30MPa absolute pressure, keeping the 18-42deg.C absorption liquid contact with the 20-52deg.C low density H2S gas, absorbing mixture gas through countercurrent and vortex, lowering the mixture gas H2S into 10ppm or even lower, separating the mixture gas for swirl gas and liquid separation. It also provides a low density H2S gas mixture to remove it.

The invention discloses a high-capacity carbon-silicon negative electrode active material and preparation and application methods thereof. The high-capacity carbon-silicon negative electrode active material achieves a specific capacity of 800-1500 mAh/g and is formed by mixing carbon-silicon materials and graphite materials, wherein the carbon-silicon materials are microspherical particles prepared by performing ball milling spray-drying and thermal treatment processes on nanosilicon, crystalline flake graphite, carbon nanotubes and a carbon source, the nanosilicon is dispersed on the surfaceof the crystalline flake graphite, the carbon nanotubes are inserted into pores formed between the carbon nanotubes and the crystalline flake graphite, pyrolytic carbon of the carbon source is coatedon the surface of the nanosilicon and the surface and pores of the spherical particles formed by the nanosilicon, the crystalline flake graphite and the carbon nanotubes; the weight of silicon-carbonmaterials is 25%-80% of the total weight of the high-capacity carbon-silicon negative electrode active material. When uniformly mixed with conducting agent and bonding agent, the high-capacity carbon-silicon negative electrode active material can be coated or deposited onto copper foils, foamed nickel, foamed copper or carbon fiber paper as the negative electrode of a lithium ion battery. The preparation method of the high-capacity carbon-silicon negative electrode active material is simple in process, low in cost, applicable to amplified preparation of long-circulation carbon-silicon materials.

The invention discloses a lithium ion battery negative electrode and a pre-lithiation method thereof, and application of the lithium ion battery negative electrode in a battery. In an inert atmosphere, the negative electrode of the lithium ion battery is allowed to react with an aryl lithiation reagent, and the first-cycle irreversible capacity of the negative electrode is removed to obtain higherfirst-cycle capacity. The aryl lithiation reagent is milder than a common lithiation reagent under the condition that the same pre-lithiation effect is achieved. The method has the advantages of normal-temperature reaction, short reaction time, simple process, controllable lithiation depth, high safety and easy industrialization.

The invention discloses a method for preparing a graphene thin film by chemical vapor deposition at normal pressure and low temperature. According to the method, a metal substrate is subjected to high-temperature annealing treatment firstly and then temperature-reduction annealing treatment; and next, the graphene thin film is obtained on the surface of the metal substrate through the chemical vapor deposition method. By virtue of the method, the catalysis activity of the metal substrate is improved, so that the growth temperature of graphene is lowered, and the energy consumption and cost of industrial production of the graphene thin film are lowered consequently; and compared with a conventional chemical vapor deposition method for synthesizing the graphene thin film, the method disclosed by the invention is simple in process, the carbon source is wide in source, the prepared graphene thin film is high in quality, and the number of layers is uniform and controllable.

The invention relates to a fresh-keeping method and a fresh-keeping storehouse of a biological freezing point for fruits belonging to an agricultural products processing field. The fresh-keeping method of the biological freezing point for the fruits includes the steps: spraying calcium salt in the process of cultivating, sleeving a transparent bag or spreading a reflecting film to improve hardness and sugar degree of the fruits; carrying out rapid cooling before putting in the fresh-keeping storehouse in a pre-cooling room; after putting in the fresh-keeping storehouse, processing with a preservative; then regulating the temperature to a critical point of the freezing point with humidity of over 90%; adopting stage heating after leaving the fresh-keeping storehouse. Preservation period of late maturing peach is prolonged to 3 months; the fruits processed by the steps are fresh as before and the phenomenon such as browning, softening and rotting do not exist. The cost of the supporting fresh-keeping storehouse constructed based on the invention is about 1.2 times of that of a low temperature cold storage and 1/2-2/3 times of that of an air conditioned storehouse with the same volume; fresh-keeping effect is remarkably superior to the low temperature cold storage and the air conditioned storehouse; the invention can promote the creativity and development of relevant industries such as a transport case and a transport vehicle of the biological freezing point as well as the relevant culture of the biological freezing point; the invention is a technology with a wide prospect and favorable economic benefits.

Foundation system for towers, especially for onshore wind turbines, comprising a central shaft buried or partially buried, preferably hollow and formed by dowels made from precast concrete, an essentially flat lower slab and completely buried, and lateral support means in the form of inclined struts that are joined at their upper end with the central shaft and at its lower end with the lower slab, and that are preferably entirely buried. The wind tower is located on the partly buried main shaft. The foundation system may comprise other lower elements connected with the lower slab, such as radial ribs or peripheral beams. The struts are preferably prefabricated elements incorporating an efficient and economical connection system by pre-stressing. The foundation system maximizes the fraction of the weight of the foundation by gravity generated by soil or ballast material, allowing an important economy in the structural materials of the foundation.

The invention relates to the field of alkaline redox flow battery energy storage, in particular to a preparation method of an ion exchange membrane for an alkaline redox flow battery, which is mainlyused for solving the problem of the high price of a Nafion diaphragm in the alkaline redox flow battery at the present stage, so that the cost of the redox flow battery is greatly reduced. An alkalineaqueous solution of ferricyanide (such as Na3[Fe(CN)6], K3[Fe(CN)6], (NH4)3[Fe(CN)6] and the like) is used as a positive electrolyte, and a strong alkaline solution (such as KOH, NaOH and the like) is used as a negative electrolyte; graphite felt and carbon felt are selected as positive electrode materials, and a zinc plate is selected as a negative electrode material; and the ionized sulfonatedpolyether ether ketone (SPEEK) diaphragm is used as an ion exchange membrane to assemble the battery. Therefore, the alkaline redox flow battery system with low cost and high performance is obtained.The flow battery system provided by the invention has the advantages of the high open-circuit voltage, the low cost, the high efficiency, the good cycling stability, safety, reliability and the like,and has a wide application prospect.

The invention provides a sodium ion battery negative electrode pre-sodium modification method, an obtained negative electrode material and a sodium ion battery. A sodium ion battery negative electrodematerial is enabled to react with an aryl sodium solution, wherein an aryl sodium reagent is a polycyclic conjugated aryl sodium compound. Irreversible capacity existing in a first-cycle discharge process of the negative electrode material can be eliminated, and the first-cycle coulombic efficiency of a negative electrode is greatly improved. The method can be carried out at normal temperature, and is short in reaction time, simple in process, controllable in reaction depth, high in safety and easy to industrialize. Meanwhile, the energy density and the cycling stability of the sodium ion whole battery assembled by matching the pre-sodium-modified negative electrode and the sodium storage positive electrode are greatly improved, so that the possibility is provided for the practical development of a high-energy-density sodium battery system.

The invention relates to a method for hydrogen production and storage through catalysis of water splitting by an MOF (metal-organic framework) composite electrode. The method utilizes the unsaturated metal sites and the porous structure of MOF to conduct electrocatalysis on water splitting so as to produce hydrogen, and the produced hydrogen is stored in an MOF porous material on line, thus realizing integration of hydrogen production and storage. The method greatly reduces the hydrogen production overpotential, is simple in operation and is easy to control, storage and release of hydrogen are realized through charge and discharge, the absorption and desorption conditions are mild, the current efficiency is greater than or equal to 75%, and the electrochemical hydrogen storage capacity can reach 920mAh/g. The method provided by the invention realizes synchronization of hydrogen production and storage, and greatly promotes the research and industrialization process of the water splitting technology for hydrogen production and storage.

In the invention, industrial-grade titanyl sulfate is used as a titanium source to prepare aqueous titanium dioxide collosol which is suitable for film coating, the titanium dioxide collosol is rotationally coated to form a film, and after high-temperature heat treatment, a high-performance nano-titanium dioxide dense film is obtained. The combination degree between the titanium dioxide film and a matrix is improved and the contact between an electrolyte with a photoanode is effectively prevented so as to reduce electronic complex. Thus, the battery performance is improved substantially, and due to low slurry cost, the industrialization process of the dye-sensitized solar cell is promoted.

The invention discloses a pressure-reduction, alkali-addition and ammonia-distillation system. The system comprises a residual ammonia water tank, an ammonia distillation tower, a finished product ammonia water tank and a vacuum pumping system; by the improvements of using a metering pump to simultaneously adding an alkali liquor in an alkali liquor tank into pipes arranged at the front end and the back end of the residual ammonia water tank, and connecting the residual ammonia water tank and the vacuum pumping system with a tail gas recycling device, the use conditions of negative pressure ammonia distillation process are prepared. According to the pressure-reduction, alkali-addition and ammonia-distillation system, only an alkali-addition position needs to be adjusted without changing former ammonia distillation process and devices, the quality of ammonia distillation waste water can satisfy the demand of next process, so that the process is simple and the investment is low; the switch of pressure-reduction ammonia-distillation and normal pressure ammonia-distillation is not affected; the pressure-reduction ammonia-distillation process is improved; and the industrial process of the pressure-reduction ammonia-distillation is promoted. With the simplest process changes and lowest investment, the pressure-reduction, alkali-addition and ammonia-distillation system improves the quality of the ammonia distillation waste water, promotes the research process of the pressure-reduction ammonia-distillation, and is in favor of promoting the popularization and application of the pressure-reduction ammonia-distillation process.

The invention discloses a method used for preparing lithium ion battery positive pole material fluophosphate vanadium lithium. The method is characterized in that a normal temperature reduction-heat treating method is adopted to prepare a lithium ion battery positive pole material LiVPO4F; the method comprises the following steps: mixing a lithium source, a vanadium source, a fluorine source and a phosphorus source according to the mol ratio of a lithium element, a vanadium element, a fluorine element, and a phosphorus element of 1:1:1:1, adding a reducer, wherein the dosage of the reducer is 1-5 times of that of the theory dosage; carrying out mechanical activation for 0.5-20 hours under the normal temperature condition, and reducing a high-price vanadium to a trivalence vanadium so as to prepare tiny amorphism LiVPO4F of small grains; and heating to 600-800 DEG C in non-oxidizing atmosphere and keeping constant temperature for 0.5-20 hours, thereby obtaining the positive pole material fluophosphate vanadium lithium. The electrochemistry performance of the prepared fluophosphate vanadium lithium is excellent. The fluophosphate vanadium lithium provided by the invention has the advantages of short flow, simple process, lower energy consumption and small production cost, and is easy to realize large scale production and the like.

The invention provides poly (carbonate-ether)tetrahydric alcohol with a structure as formula I. The invention provides carbon dioxide based shape memory polyurethane which is prepared with a preparation method comprising steps as follows: poly (carbonate-ether)tetrahydric alcohol, crystallized dihydric alcohol and diisocyanate react, and the carbon dioxide based shape memory polyurethaneis obtained. The poly (carbonate-ether)tetrahydric alcohol is taken as a macromolecule crosslinking agent, can accurately control the molecular weight, has characteristics of polyether polyol and polyester polyol and can accurately control the molecular weight as well as the content of a carbonic ester unit and ether bond, and the shape memory and the shape restorability of the carbon dioxide based shape memory polyurethane prepared from the poly (carbonate-ether)tetrahydric alcohol serving as the raw material can be adjusted. Besides, the production cost of the poly (carbonate-ether)tetrahydric alcohol is reduced due to introduction of carbon dioxide, and the carbon dioxide based shape memory polyurethane has large-scale application prospect; and the poly (carbonate-ether)tetrahydric alcoholis taken as the raw material for synthesizing shape memory polyurethane, and the industrialization process of the shape memory polyurethane is promoted.

The invention relates to a heating treatment process for scale production of gear blanks and a corresponding heating treatment production line. The invention eliminates the integral recrystallization heating of the gear blanks, and gears can stably obtain a metallographic structure with excellent cutting performance and an expected hardness value no matter using a forging waste heat isothermal annealing process or an isothermal annealing process conducted after the blank is cooled of the invention.

The invention relates to a method for preparing carbon nanofibers from wearing acrylic fibers or waste wearing acrylic fibers, and belongs to the technical field of preparation of the carbon nanofibers. The method includes performing washing, impurity removal and drying pretreatment on the wearing acrylic fibers or the waste wearing acrylic fibers, then re-dissolving the acrylic fibers by good solvents, adding metal salt for modifying, controlling modification temperature and time to obtain spinning precursors, and performing spinning, pre-oxidation and carbonation on the spinning precursors to obtain the carbon nanofibers. The metal salt for modification refers to one or two or more of cobalt acetate, manganese acetate, zinc acetate, ferric acetate, nickelous acetate, copper acetate, magnesium acetate, sodium acetate, cobalt chloride, zinc chloride, manganese chloride, ferric chloride, copper chloride, cuprous chloride or stannous chloride. Raw materials applied to the method are waste. The method has the advantages that cyclization reaction triggering mechanisms of the acrylic fibers during pre-oxidation can be changed, cyclization reaction starting temperatures of the acrylic fibers can be lowered remarkably at the same time, energy conservation and environmental protection can be achieved, and production costs can be reduced remarkably.