291results about How to "Easy to scale application" patented technology

The invention discloses a method for recycling a positive material from a water-system waste lithium iron phosphate battery. The method comprises the following steps: elaborately disassembling fully-discharged waste lithium iron phosphate battery to obtain an undamaged positive plate, separating a positive active material from a current collector in a way of immersing through deionized water, and drying and ball-milling the active material to obtain a lithium iron phosphate positive material to be recycled; respectively testing carbon content and ratio of Li, Fe and P elements of the lithium iron phosphate positive material to be recycled, adding a lithium source and an iron source, adjusting a mole ratio of Li to Fe to P to be (1.0-1.1):1:1, further adding the lithium source, the ion source and the phosphate source according to a ratio of 1:1:1 and adjusting C content ratio in the material; and performing ball milling, low-temperature pre-sintering and high-temperature sintering on the material of which ratio of the elements is adjusted to obtain the recycled lithium iron phosphate positive material. The recycled material has the advantages that 0.1C discharging capability can reach up to 156mAh/g, 2C discharging capability can reach up to 120mAh/g, the retention ratio of 0.1C discharging capability after 50 times of recycling is greater than 99% and various electrochemical properties are excellent. The method disclosed by the invention is low in cost and simple in process; the secondary pollution is avoided.

The invention provides a high-efficiency large-scale solar water decomposition hydrogen production technique based on photocatalysis - photoelectrocatalysis. The technique comprises the following steps that soluble high-valence electron carriers are converted into low-valence electron carriers by a powdered photocatalyst under illumination of the sun, so that large-area solar storage is realized, besides, oxygen is emitted, and protons are generated; an electrolyte solution storing the electron carriers and the protons is conveyed into a photoelectrocatalysis basin; and a photon-generated carrier is generated at the anode of the photoelectrocatalysis basin by utilizing the sunlight, so that the low-valence electron carriers are oxidized into the high-valence electron carriers, and protons are combined at the cathode of the photoelectrocatalysis basin to generate hydrogen. After the hydrogen is collected, the electrolyte solution is returned to a photocatalysis system for recycling. The whole reaction is driven by sunlight to realize the conversion of solar energy into hydrogen energy.

The invention discloses microbial organic fertilizer having a saline-alkali soil improvement function. The microbial organic fertilizer is prepared by taking algae, straws and manure as raw materials by means of a composite microbial two-step fermentation process. The microbial organic fertilizer has functions of microbial fertilizer, organic fertilizer and algae fertilizer and is rich in algae functional active ingredient and a great amount of probiotics and capable of effectively adjusting balance of microorganisms in soil, decomposing organic or inorganic components such as organic matters, minerals and the like in the soil, eliminating caking, sanding, salting and the like of the soil caused by abused application of chemical fertilizer, effectively improving the soil, improving the stress resistance of crops and improving the productivity of crops; furthermore, the microbial organic fertilizer can promote the release of organic matters in the soil, improve the physical and chemical structure of the salted soil, improve the clustering and permeation performance of the soil, improve the fertility of the soil and improve the grain productivity increasing capacity of the saline-alkali soil and is an excellent saline-alkali soil improvement agent and crop growth accelerator.

The invention provides a power special quantum encryption gateway system. The system comprises a power special quantum encryption gateway communicated with a gateway management device through a quantum link; the power special quantum encryption gateway is used for performing encryption communication through the quantum link or a classic link; a quantum secret key distributing device is integrally arranged on the power special quantum encryption gateway and comprises a vertical integration model and a transverse integration mode; the quantum link comprises a quantum secret key sending device and a quantum secret key receiving device which are connected with each other through an optical fiber or a free space; the gateway management device comprises a user authentication module, a user right/certificate management module, a quantum secret key management module and a communication interface module. Compared with the prior art, the power special quantum encryption gateway system provided by the invention is capable of synchronously supporting the traditional mode encryption function and the quantum mode encryption function, and capable of providing unconditional information security assurance for the power system data transmission under the quantum mode, and convenient for the large-scale deployment and industrial practicality of the power special quantum encryption network.

The invention provides a molten salt tube-shell type steam generating device and a molten salt tube-shell type steam generating method. The device comprises a tube-shell type heat exchanger, a steam separation output component and a heating and heat preservation component, wherein the steam separation output component is arranged on the top of the tube-shell type heat exchanger, and the heating and heat preservation component is arranged on the outer side of the container wall of the tube-shell type heat exchanger; the tube-shell type heat exchanger is provided with a top tube box, a tube body and a bottom tube box in sequence from top to bottom, wherein the inside of the tube body is provided with tube bundles of which both ends are fixedly connected with the tube body by tube plates, and the gaps between the tube bundles are filled with molten salt; and the outer side of the tube body is provided with a molten salt inlet tube and a molten salt outlet tube, and the bottom tube box is provided with a water inlet tube and a water outlet tube. The method comprises the following steps of: pre-heating the tube body; and orderly performing molten salt filling, hot water filling, and steam separating and outputting. The device has the advantages of big effective heat storage capacity, long-term stable operation, and relatively low manufacturing cost and maintenance cost, and can meet the requirements on large-scale solar mid- and high-temperature heat utilization in industry.

The invention discloses a method for preparing functional grease by enzyme catalysis and modification on tea oil, comprising the following steps of: mixing tea oil and middle carbon chain fatty acid which are used as raw materials in the mole ratio of 1:(1-1):12; adding water accounting for 0.01-2 percent of the weight of the raw materials; not taking organic solvent as a medium in a nonaqueous phase system, passing through a packed column filled with 1,3-specific immobilized lipase in reverse flow way; reacting at 30DEG C-80 DEG C for 0.5h-3h; and separating the product to obtain grease withrapid energy supply and low heat quantity function, wherein in the functional grease, the middle carbon chain fatty acid is mainly positioned on the sn-1,3 site of triglycercide and unsaturated oleicacid of the fatty acid is mainly positioned on sn-2 site of the triglycercide. The invention can achieve favorable effects of maintaining the stable catalytic activity of enzyme and prolonging the service period of the enzyme by adding a proper amount of water in the raw materials.

The invention relates to a method for preparing hollow fiber molecular sieve membranes in batches, which is used for scale preparation of molecular sieve membranes supported by a ceramic hollow fiber supporting bodies. The method comprises the following steps: carrying out surface pretreatment on the hollow fiber ceramic supporting bodies and regularly packaging the hollow fiber ceramic supporting bodies into a cluster; coating molecular sieve seed crystal particles on the surfaces of the hollow fiber supporting bodies and drying to obtain a seed crystal hollow fiber cluster; placing the seed crystal hollow fiber cluster into membrane synthetic fluid to carry out hydro-thermal synthesis, washing by deionized water and drying after finishing hydro-thermal synthesis so as to obtain the hollow fiber molecular sieve membrane cluster. The method has the advantages of high mechanical degree, strong maneuverability, high yield and good repeatability and has important significance for industrial production and application popularization of the hollow fiber molecular sieve membranes.

The invention discloses a pig small intestine epithelial cell line (ZYM-SIEC02), which was preserved in China Center for Type Culture Collection on January 13th, 2010 with a collection number of CCTCC-C201001. The invention also discloses the construction method of the cell line. The cell line has the advantages of low nutrient condition requirements, quick cell growth, easy cultivation and convenient promotion and application.

The invention belongs to the technical field of soil improvement and particularly relates to an ecological soil conditioner for improving saline and alkaline land soil and a preparation method. The ecological soil conditioner is prepared from, by weight, 30-80 parts of industrial residues, 20-40 parts of sulfonated humic acid, 10-20 parts of pyroligneous solution, 10-30 parts of nano-filler, 5-15 parts of pH-sensitive hydrogel, 1-5 parts of water-soluble starch, 1-5 parts of cyclodextrin, 1-5 parts of medium trace elements and 0.5-3 parts of traditional Chinese medicine extract. The soil conditioner is environmentally friendly and safe, the application method is simple and easy to implement, the soil conditioner can be applied along with fertilizer in a drip irrigation mode, the utilization rate of the fertilizer is increased, nutrient elements can be released along with pH changes of the soil environment, a certain slow release effect is achieved, the utilization rate of the soil conditioner is greatly increased, cost is greatly reduced, meanwhile, the status quo of the saline and alkaline land soil can be improved, the organic matter content of the soil can be increased, and diseases and pests of the soil can be reduced.

The invention belongs to the field of the construction of civil architectures, and in particular relates to a method for mounting coolant pipes of an air conditioning system, which comprises: a first step of making preparations for the construction; a second step of machining copper pipes; a third step of braze-welding and connecting the copper pipes; a fourth step of laying the copper pipes; a fifth step of washing the copper pipes; a sixth step of performing airtight test; a seventh step of realizing the temperature preservation of a pipeline; an eighth step of vacuum-drying the pipeline system; a ninth step of supplementing a coolant; and a tenth step of performing pre-operation. In the invention, the copper pipes have the characteristics of bacteria growth inhibition, corrosion resistance, durability and long service life; and the method has the advantages of capacity of effectively improving a construction progress, relatively shorter construction period, and simple operation andconvenient maintenance because only a tube flaring kit, a pipe expander and a cutter are needed when the copper pipes are maintained, meets national requirements on energy-saving engineering and is favorable for promoting the research, development, integration and large-scale application of matching technology combining renewable energy sources and the architectures.

The invention discloses a method for preparing nickel lithium manganate by using a waste lithium manganate battery, and belongs to the field of recycling of the waste lithium manganate batteries. The embodiment of the invention comprises the steps: obtaining a LiMn2O4-containing positive active material from the waste lithium manganate battery, leaching the positive active material to obtain a Li<+> and Mn<2+>-containing solution; then adding nickel salt, lithium salt and a precipitator into the Li<+> and Mn<2+>-containing solution, reacting to obtain a precipitate, calcining to obtain spinel LiNi0.5Mn1.5O4, and simultaneously implementing recycling of manganate and lithium. A lithium ion battery and a supercapacitor can be prepared by using a LiNi0.5Mn1.5O4 material provided by the embodiment of the invention, the 0.1 C specific discharge capacity of the lithium ion battery is 128-135mAh/g, the capacity retention ratio after 100-time cycle is higher than 90 percent; the specific capacity of the supercapacitor is 170-185F/g and is basically undamped after 500-time cycle. The method provided by the embodiment of the invention is easy to operate and control, and facilitates the large-scale application.

The invention belongs to the technical field of soil improvement and particularly relates to an ecological soil conditioner capable of improving acid soil and a preparation method. The ecological soil conditioner comprises raw materials in parts by weight as follows: 30-60 parts of carbonized distillers' grains, 10-20 parts of industrial and agricultural waste, 10-15 parts of sargassum, 10-15 parts of water hyacinth, 5-10 parts of plant ash, 5-15 parts of nano-modified clay, 5-10 parts of sodium alginate, 1-10 parts of tamarind polysaccharide gum, 1-5 parts of chelated secondary elements and trace elements and 0.1-3 parts of graphene oxide. The ecological soil conditioner can regulate the pH value of the soil, promote granular structure formation of the soil, improve the physical and chemical structures of the acid soil, increase organic matter content of the soil, improve the moisture and fertilizer retention capacity, improve physical characteristics of the soil, creates a good ecological environment for plant growth, is excellent, meets the organic and pollution-free agricultural development trend and has larger popularization and application value.

The invention discloses a preparation method of a dispersion fuel pellet with high uranium loading capacity, which comprises the steps of firstly adopting means such as pelleting, self-grinding balling and rolling coating to realize the balling of a uranium-based fuel and the coating with a reinforcing phase, then performing high temperature plasma sintering on a coated ball to obtain the uranium-based fuel pellet; forming a large amount of pores in a core pellet of the fuel by utilizing the volatilization of a pore-forming agent under high temperature, then promoting the low-temperature rapiddensification sintering of the reinforcing phase by combining the high temperature plasma sintering technology and a sintering aid, thus obtaining the dispersion fuel pellet with high uranium loadingcapacity, wherein the dispersion fuel pellet has a special core-shell structure in which the compact reinforcing phase coats the porous fuel core pellet, and the special core-shell structure is loosein the interior and compact in the exterior. The method has the advantages that the preparation is simple and the preparation cost is low, can be used for the scale production of the uranium-based fuel pellet; the uranium-based fuel pellet prepared by the method has the advantages of high thermal conductivity, high safety, high uranium loading capacity and high economy.

The invention provides a motion trail accompanying determination method and device and a server. The method comprises: obtaining a first motion trail corresponding to first terminal equipment and a second motion trail corresponding to second terminal equipment from a preset data set, wherein the preset data set comprises motion trails of a plurality of terminal equipment and identifiers corresponding to the terminal equipment, and the motion trails are determined through signaling data of the terminal equipment; and judging whether the first terminal equipment and the second terminal equipmentare in an accompanying relationship or not according to the first motion trail and the second motion trail. The motion trails of the terminal equipment are obtained through the signaling data, whether the two terminal equipment are in the adjoint relationship or not is judged based on the motion trails of the two terminal equipment, and the adjoint relationship does not need to be determined manually, so that a large number of human resources are saved, meanwhile, the adjoint relationship determining efficiency is improved, and large-scale application of the method is facilitated.

The invention relates to an active distribution network demand response control method based on hierarchical energy storage. The method comprises a same layer source-storage coordinated response strategy, a cross layer storage-storage coordinated response strategy, a same layer source-storage-charge coordinated response strategy and a cross layer source-storage-charge coordinated response strategy. The same layer source-storage coordinated response strategy is used for onsite smoothing distributed energy network access real-time power fluctuation. The cross layer storage-storage coordinated response strategy solves the problem fed back by the present layer by authorizing to the energy storage system in the previous layer of power grid and aims at enhancing the consumption capacity of the distributed power supplies. The same layer source-storage-charge coordinated response strategy and the cross layer source-storage-charge coordinated response strategy perform optimization control according to the priority of maximizing consumption distributed power generation, load power supply and energy storage economic operation. The energy storage system is hierarchically accessed to the distribution network so that the characteristics of energy storage can be fully exerted and the economic performance of its application can be enhanced, and scale application of energy storage in the electric power system can be facilitated.

The invention discloses an immortalized canine adipic mesenchymal stem cell line and a constructing method thereof. The immortalized canine adipic mesenchymal stem cell line capable of expressing SV40 large T antigen genes and having multidirectional differentiation is obtained by: transfecting a lentiviral vector carrying SV40 large T antigen (Ttag) by using canine adipic mesenchymal stem cells as host cells, integrating the Tag genes into an adipic mesenchymal stem cell genome and carrying out continuous passage and screening. This cell line is still active in case of 50 in-vitro passages, is high in differentiation and proliferation performance, never ages or dies, can also save medium cost and is an immortalized cell line.

The invention provides a construction method for resisting the uplift in the internal mold of a concrete box. The method comprises the following steps: welding the longitudinal reinforcing steel bars on the box wall of the concrete box to be cast with the main reinforcing steel bars of a pile foundation at the bottom of a foundation pit; embedding an internal mold in the foundation pit and arranging a batten or a support tube at the top of the internal mold; tensioning the longitudinal reinforcing steel bars of the box wall, which are welded with the main reinforcing steel bars of the pile foundation, and then, fixedly connecting the upper ends of the longitudinal reinforcing steel bars of the box wall with the batten or the support tube; and casting the concrete and resisting the buoyant force of the concrete applying on the bottom plate of the box mold by the reaction force generated by the welded longitudinal reinforcing steel bars of the box wall and the batten or the support tube, so that the internal mold can be pressed by the support tube to prevent the internal mold from going up. The invention is suitable for resisting the buoyant force in the internal mold of a small-size concrete box and has the characteristics of reliable buoyancy resistance and easily guaranteed construction quality; and compared with the conventional method, the invention does not need secondary transport with high labor consumption, economizes on human resources and improves the production efficiency.

The invention provides a preparation method of negative electrode slurry. The preparation method comprises the following steps: (1) preparing a glue solution; (2) curing the glue solution; (3) mixingdry powder; (4) carrying out high-viscosity mixing; (5) carrying out first high-speed dispersion; (6) carrying out second high-speed dispersion; (7) adjusting the viscosity; (8) carrying out reverse stirring; according to the preparation method of the negative electrode slurry, the dispersion uniformity, the stability and the rheological property of the slurry can be improved, the production efficiency of a coating process is improved, and the coating appearance and the coating thickness uniformity are improved, so that the electrical performance and the safety performance of a lithium ion battery are improved. And on the premise of ensuring the performance of the slurry, the stirring time of the slurry is shortened, large-scale application is facilitated, and great production practice significance is achieved.

The invention relates to a perovskite crystal composite material. The perovskite crystal composite material comprises perovskite crystals and an organic doping agent doped in the perovskite crystals. The general chemical formula of the perovskite crystals is MA<x>FA<1-x>PbI<3-y-z>Br<y>Cl<z>; x is larger than 0 and smaller than 1, y is larger than 0 and smaller than 3, and z is larger than 0 and smaller than 3; the organic doping agent is selected from one or more of long-chain primary amine, multi-amine and hydramine; and the carbon chain of the long-chain primary amine comprises 3-16 carbon atoms. With respect to the perovskite crystal composite material, because small organic molecules are doped in the perovskite crystals, the deliquescence resistance of the perovskite crystal composite material is improved. Furthermore, the thermal stability of the perovskite crystal composite material is also improved. The invention also discloses a preparation method and an application of the perovskite crystal composite material.