89results about How to "Suitable for industrial promotion and use" patented technology

The invention discloses a method for separating and recovering lithium from a waste lithium ion battery. The method comprises the following steps: dismounting after discharging the waste lithium ion battery, and removing a battery case; crashing a battery cell; leaching and filtering the crushed battery cell with inorganic acid and oxidant to obtain a filter liquor; regulating the pH of the filter liquor to be more than or equal to 8, then filtering to remove impurities and sediment to obtain a recovery liquor containing lithium ions; adsorbing the lithium ions in the recovery liquor through resin; and desorbing the resin to obtain the separated and recovered lithium salt. The recovery method provided by the invention is simple and efficient, has high purity of lithium and brings no pollution.

The invention belongs to the textile field and particularly relates to antibacterial polyester fibers. The antibacterial polyester fibers are prepared through melt spinning from the following materials in parts by weight: 100 parts of PET (polyester) chips and 2-5 parts of antibacterial polyester master batch, wherein the antibacterial polyester master batch is prepared from PET chips as well as a preprocessing nano-silver antibacterial agent with weight accounting for 2%-5% of that of the PET chips, an antioxidant with weight accounting for 2%-3% of that of the PET chips, a lubricant with weight accounting for 0.1%-2% of that of the PET chips and a dispersant with weight accounting for 1%-3% of that of the PET chips through melt blending and extruding, and the preprocessing nano-silver antibacterial agent is nano silver subjected to coating treatment through a hydroxypropyl-beta-cyclodextrin solution in a fluidized bed. According to the invention, uniform distribution with a small particle size of the nano-silver antibacterial agent in a PET base body is guaranteed, and the high-efficiency and long-acting antibacterial polyester fibers are prepared through melt spinning. A preparation method disclosed by the invention is simple and feasible, and is suitable for industrial popularization and application.

The invention belongs to the technical field of high molecular functional materials and provides a preparation method of multilayer assembled micron-grade mono-disperse polystyrene magnetic composite microspheres. The preparation method of the polystyrene magnetic composite microspheres comprises the following steps: preparing mono-disperse sulfo or carboxyl polystyrene microspheres with rich negative charges on surfaces by adopting dispersion polymerization; then utilizing electrostatic interaction among the mono-disperse sulfo or carboxyl polystyrene microspheres, strong cation polyelectrolyte and sodium citrate modified Fe3O4 nanoparticles to finally prepare the micron-grade mono-disperse polystyrene magnetic microspheres. According to the preparation method provided by the invention, the mono-disperse polystyrene magnetic microspheres with highly uniform grain diameter and a micron-grade grain diameter can be obtained; the application requirements in the fields of chemiluminescence immunity, cell separation, protein purification and the like can be met; the preparation method provided by the invention also has the advantages of simplicity and convenience for operation, energy saving and consumption reduction and is suitable for industrialized popularization and application.

The invention relates to a three-claw gripping device which is characterized by comprising a three-claw chuck, a three-claw clip, a telescopic rod and three claw fingers, wherein the upper part of the telescopic rod is fixed on the three-claw chuck; the lower part of the telescopic rod is connected with the three-claw clip; the upper parts of the three claw fingers are fixed in clamping grooves of the three-claw clip, respectively; three claws are uniformly distributed in the circumferential direction of the three-claw chuck; an angle between two adjacent claws is 120 degrees; a central through hole is formed in the center of the three-claw chuck; a linear bearing is arranged in the central through hole; one clamping groove is arranged outside each claw of the three-claw chuck; threaded through holes are formed in two sides of each clamping groove; distances between the threaded through holes and the central through hole are equal; the three-claw clip and the three-claw chuck have the same shape structure; threads are arranged in the central through hole in the three-claw clip.

The invention belongs to the textile field, and particularly relates to aromatic polypropylene fiber. The aromatic polypropylene fiber is prepared from materials in parts by weight through melt spinning as follows: 100 parts of fiber-grade PP (propene polymer) slices and 1-4 parts of aromatic polypropylene master batch, wherein the aromatic polypropylene master batch is prepared from the fiber-grade PP slices as well as 3%-6% of preprocessed nano essence, 1%-3% of an antioxidant, 0.1%-1% of a lubricant and 0.5%-2% of a dispersing agent by weight of the fiber-grade PP slices through melt blending and extrusion, and the preprocessed nano essence is nano essence subjected to coating processing through a hydroxypropyl-beta-cyclodextrin solution in a fluidized bed. The problem of uniform distribution of nano essence with small particle sizes in a PP matrix is solved, efficient and long-acting aromatic polypropylene fiber is prepared through melt spinning, and a method is simple, easy to implement and suitable for industrial popularization and utilization.

The invention discloses flash spinning equipment. The equipment mainly comprises a high pressure kettle, a heating sleeve of the high pressure kettle, a transmission motor, a stirrer, a high voltage electric valve and a spinning nozzle, and is characterized in that: a kettle cover of the high pressure kettle is provided with a pressure relief hole and a pressure relief valve, so the high pressure kettle simultaneously has the functions of a low pressure kettle; and the bottom of the high pressure kettle is in direct pipe connection with the spinning nozzle through the high pressure electric valve. The flash spinning equipment has the advantages of simple structure, easy control and the suitability for industrial use.

The invention relates to the technical field of microorganism, in particular to a preparation technique of complex fungicide repairing amino acid fermenting wastewater. The preparation technique includes steps of 1) preparing a carrier; 2) preparing complex fungicide liquid; 3) preparing complex algae solution; 4) preparing complex fungicide. The preparation technique is simple, feasible, easy to master, and applicable to industrial popularization and use.

The invention discloses a method for preparing a tungsten disulfide/graphene heterostructureby a liquid-phase ultrasonic method. The method comprises the following steps: by using a tungsten disulfide nanosheet ethanol dispersion solution and a graphene ethanol dispersion solution as raw materials, respectively proportionally measuring certain volumes of the tungsten disulfide nanosheet dispersion solution and graphene dispersion solution, and carrying out ultrasonic treatment at normal temperature for 30 minutes by using a probe-type ultrasonic facility with the ultrasonic power of 100-200W; mixing the two obtained dispersion solutions, and carrying out ultrasonic treatment at 50 DEG C for 6 hours by using a tank-type ultrasonic facility with the ultrasonic power of 200-600W, thereby obtaining a mixed dispersion solution; carrying out vacuum filtration on the mixed dispersion solution through a microporous filter membrane, and collecting the filter cake; and carrying out vacuum drying on the collected filter cake at 80 DEG C for 2 hours to obtain the black tungsten disulfide/graphene heterostructure. The preparation method is simple and controllable; and the prepared tungsten disulfide/graphene heterostructure has potential application value in the fields of semiconductor electronic devices, lithium ion batteries, catalytic hydrogen production, electromagnetic wave absorption and the like.

The invention relates to a chemical deposition method of high-purity low-hydroxyl high-uniformity quartz glass, which comprises the following steps: (1) depositing a silicon source in a deposition cavity by adopting a vapor phase axial deposition method to obtain a low-density SiO2 loose body; wherein in the deposition process, the interior of the deposition cavity is controlled to be in a negative pressure environment, and the temperature is not higher than 500 DEG C; (2) in a closed environment filled with dehydroxylation airflow and oxygen, heating the low-density SiO2 loose body to 1100-1300 DEG C, so that the low-density SiO2 loose body is dehydrated, dehydroxylated and densified; then, placing the low-density SiO2 loose body in an inert gas environment, heating to 1470-1600 DEG C, and vitrifying the low-density SiO2 loose body to form transparent quartz glass; and (3) annealing the transparent quartz glass to obtain the high-purity low-hydroxyl high-uniformity quartz glass. The invention further discloses a device adopting the chemical deposition process. According to the chemical deposition method of the high-purity low-hydroxyl high-uniformity quartz glass, the production process is high in continuity, and the content of metal impurities in the produced quartz glass is extremely low.

The invention relates to the field of control for integrated freezing stations, in particular to a method for judging running states of magnetic suspension cooling water units in freezing station control systems. The method includes particular operation steps of 1), reading running currents of the magnetic suspension cooling water units by the aid of current transformers; 2), comparing the running currents to the maximum currents of the freezing station control systems, judging states of the magnetic suspension cooling water units and judging full-load states of compressors in the magnetic suspension cooling water units. The method has the advantages that communication with the magnetic suspension compressors is established, and currents, compression ratios and operating speeds of the compressors are detected, so that the running states of the compressors can be determined; signals of internal sensors of the compressors are read, accordingly, equipment such as the current transformers can be reduced, excellent control effects can be realized on the basis of extremely low cost, the load capacity of the magnetic suspension cooling water units can be improved, the judgment precision and credibility can be improved to a certain extent, obvious energy-saving effects can be realized, and the method is suitable to be popularized and utilized in the industry.

The invention belongs to the field of polymer functional materials and particularly relates to a preparation and application of waterborne polyurethane emulsion. An acetone method is adopted to enablemixed isocyanate to react with mixed polyester, a hydrophilic monomer, namely dimethylolpropionic acid (DMPA) is introduced, and under the combined action of a chain extender, namely trimethylolpropane (TMP), the waterborne polyurethane emulsion released by non-volatile organic compounds is prepared. Through various characterization means, it is verified that the waterborne polyurethane emulsionhas excellent stability and hydrophobic performance, has the characteristics of low production cost and excellent performance, and can be subjected to large-scale industrial production and application.

The invention relates to a complete set of device for processing kitchen waste and a method thereof. The device includes a garbage tank, a slurry tank, a clear liquid tank and a residue tank. A grab driving mechanism and a crusher are arranged near the garbage tank. The material crushed by the crusher is introduced into the slurry tank, the slurry tank is connected to a first feed pump, a first fermentation tank, a second feed pump and a second fermentation tank in sequence through the feed pipes, the bottom of the first and second fermentation tanks are respectively communicated with the inlets at the top of an extruder. A liquid phase outlet of the extruder is connected to the clear liquid tank, the extruded residue of the extruder can be sent to the residue tank, a liquid phase outlet of the second fermentation tank is connected to the clear liquid tank, the gas phase outlet of the second fermentation tank is connected to a biogas storage tank. The device has the advantage that thepre-processed kitchen waste can be converted into a COD-compliant clear liquid and high value-added biogas after crushing, pulping and two fermentations. The complete set of the device has good integrity, small land occupation and easy installation and maintenance, high processing efficiency of kitchen waste, and is suitable for industrial use.

The invention relates to a copper ion colorimetric detection method based on a MnO2 complex enzyme stimulant and application. The method comprises the following steps: preparing copper ions and L-cyssolutions with different concentrations; synthesizing an MB and MB/Au/PANI/MnO2 composite material; preparing a NaAC-HAC buffer solution; preparing a TMB solution; optimizing conditions; and performing colorimetric detection on the copper ions. According to the copper ion colorimetric detection method based on the MnO2 complex enzyme stimulant and the application, the MB/Au/PANI/MnO2 composite material serves as the complex enzyme stimulant and has high catalytic performance, high-sensitivity and quantitative detection of copper ions is achieved, the selectivity and stability of target objectdetection are improved, the compound enzyme stimulant is replaced with other MnO2-doped compounds which can be applied to detection and analysis of a new target object, the universality is high, the detection method is simple and convenient, the cost is low, the raw materials are easy to obtain and non-toxic, and the method can be applied to actual sample detection and is suitable for industrial popularization.

The invention relates to a flow-washing-type battery material dryer free of a screen cloth. The flow-washing-type battery material dryer free of the screen cloth is characterized in that the dryer comprises a support, a spiral material feeder, a first flange plate, a discharging pipe, an air cylinder, a material dropping plate, a sealing piston, a weighing device, a second flange plate, a Venturi branched tube, an airflow tank, a return air tank, a feeding pipe, a cyclone air outlet pipe, an air return pipe, a vacuum pumping pipe, a reflux tank, a Venturi tube and a third flange plate; the airflow tank comprises an upper airflow tank section and a lower airflow tank section, and the upper airflow tank section and the lower airflow tank section communicate with each other; the reflux tank is arranged at the outer side of the upper portion of the upper airflow tank section in a sleeving mode; the upper end of a space between the reflux tank and the upper airflow tank section is closed, and the lower end of the space is opened; and the reflux tank is of a cylinder structure with the cross section circle variable. According to the flow-washing-type battery material dryer, the return air tank, the reflux tank, the airflow tank and the Venturi tube are sequentially nested from outside to inside, so that the heat preservation effect of the dryer is made good; and moreover, heat is transmitted between the multiple layers of the pipes, after all layers of pipe walls are heated by hot air, the heat can be radiated outwards from the pipe walls, and powder drying is accelerated.

The invention belongs to the technical field of graphene, and particularly relates to a graphene oxide/nano-copper composite antibacterial agent, an antibacterial master batch and preparation methods thereof, and aiming at overcoming the defects that an existing composite polylactic acid antibacterial agent is poor in antibacterial effect and stability, or complex in preparation process, numerous in raw materials and difficult to industrially apply. According to preparation method of the graphene oxide/nano-copper composite antibacterial agent,a copper sulfate solution reacts with a polyvinyl alcohol solution, on the premise that glucose is added to reduce copper ions into nano-copper particles, the nano-copper particles react with graphene oxide, and the graphene oxide/nano-copper composite antibacterial agent is obtained. The preparation method of the antibacterial agent is simple to operate, and raw materials are easy to obtain; the prepared antibacterial agent is good in antibacterial effect, low in cost, higher in stability and longer in antibacterial time; meanwhile, the antibacterial agent can be effectively combined with polylactic acid, so that the antibacterial property and the mechanical strength of the polylactic acid are improved, and the weight of the environment-friendly tableware is reduced.

The invention relates to the field of chemical catalysis, in particular to a modification method of a selective oxidation catalyst. The modification method comprises the following steps: (1) loading an active component Au on a carrier TS-1 to prepare an Au/TS-1 catalyst; (2) impregnating the Au/TS-1 catalyst with a solution of alkali metal carbonate X2CO3, and then drying to obtain a modified catalyst X2CO3-Au/TS-1, wherein the molar ratio of the X2CO3 to the active component Au loaded on the Au/TS-1 catalyst ranges from 20: 1 to 1: 5; and (3) carrying out activation treatment on the modifiedcatalyst X2CO3-Au/TS-1 before the reaction. According to the present invention, the method for modifying Au/TS-1 through alkali carbonate impregnation is adopted, and the prepared X2CO3-Au/TS-1 catalyst has characteristics of high catalytic performance and long service life; and the preparation method has good repeatability.

The invention discloses a high-resilience ultraviolet light and moisture dual-curing hot melt adhesive and a preparation method thereof. The hot melt adhesive comprises hydroxyl-terminated rubber, polyester polyol, polyether polyol, a hydroxyl-free or amino-free UV active monomer, polyisocyanate, trifunctional micromolecular polyol, a photoinitiator, a defoaming agent, an adhesion promoter and a catalyst. The elasticity and flexibility of a hot melt adhesive product are improved by adding the hydroxyl-terminated rubber; the hydroxyl-free or amino-free UV active monomer does not participate in polymerization reaction in the early stage, so that the final product becomes viscoelastic after being irradiated by UV light, and the cleaning of excessive glue is reduced; the polyisocyanate is added in batches, so that the molecular weight of the polymer can be increased, the initial bonding strength is quickly improved within the same curing time, the positioning time is shortened, and the production efficiency is improved; the initial adhesion after dispensing is improved, the buffer resistance of large screen frame adhesion is improved, the reworkability of screen frame adhesion is achieved, and the hot melt adhesive can replace traditional screen sealing adhesive tapes, and realizes narrow frame dispensing.

The invention relates to the technical field of enzymes, in particular to an enzyme preparation for low antigen protein fermented soybean meal and application thereof. The enzyme preparation consistsof alkaline protease, neutral protease, phytase, galactosidase and pectinase. The enzyme preparation can be matched with microbial inoculums for fermented soybean meal production, can efficiently degrade anti-nutritional components such as antigen protein, has high protein digestibility, increases the nutritional value of a feed, and is suitable for industrial production.

The invention provides a preparation method of a modified carbon fiber reinforced nylon composite material. According to the method, nylon, a hyperbranched polymer, modified carbon fiber, a coupling agent, a flame retardant, an antioxidant and a lubricant are used as raw materials to nylon particles by a simple and convenient method. The composite material particles have high tensile strength, bending strength and impact resistance.

The invention discloses a flexible tubular large-aperture membrane filtration device and a cleaning method thereof. According to the invention, the diameter of a tubular membrane in the membrane filtration device is not less than 5 mm; the aperture of the tubular membrane is 6-200 [mu]m; the tubular membrane is made of a homogeneous membrane, so forward and reverse cleaning and filtering effects are the same; the tubular membrane has sufficient flexibility for physical deformation; and gas in a gas source can enter the membrane filtration device through an opened water production side gas inlet valve and an opened water inlet side bottom gas inlet valve respectively and then is discharged through a water production side gas outlet valve, and no gas seal is formed under the condition of weak pressure regardless of hydrophilic, hydrophobic or humid conditions. Traditional water cleaning is replaced by gas cleaning in the invention, cleaning is completed by means of gas such as air, dirt and the like which are hidden on the inner wall of the membrane filtration device and are difficult to clean are effectively removed, cleaning is more thorough, and water consumption is reduced; the filtering effect is not affected by water flux, so yield is high; cleaning does not depend on chemical reagents, so reagent residues do not exist, and use safety is high; and the cleaning method is simple, efficient, energy-saving and consumption-reducing.

The invention discloses a synthesis method of a three-function diagnosis and treatment integrated prodrug for prostate cancer and a product thereof. A compound 1 is used as a raw material, and the compound 1 and three different amino acids are used to gradually synthesize the three-function diagnosis and treatment integrated prodrug, so that the prodrug can obtain the ability to mark three radionuclides of 18F, 68Ga and 177Lu. The invention realizes that the marking rate of 18F reaches 40%, and the marking rate of 68Ga and 177Lu reaches 90% or more, and can be combined with other targeting molecules other than PSMA to design more bifunctional or trifunctional diagnostic drugs, the structure will greatly open the PSMA structure drug market, provide more, more flexible, more functional radionuclide marker options for such type of drugs, and have a great promotion effect on the diagnosis and treatment of prostate cancer, which is suitable for industrial popularization and use.