142results about How to "Improve activation efficiency" patented technology

The invention provides a high-density RFID tag group scanning system based on a multi-antenna array and beam forming, and relates to the technical field of the Internet of Things. The system comprises a multi-antenna array, an RFID reader-writer, a beam forming unit, a signal processing unit, a feedback unit and a data management unit. Through a digital beam forming technology, the system dynamically adjusts the direction and width of a beam, and achieves the precise scanning of a target area. And in combination with real-time signal feedback, a density peak clustering algorithm and a gradient descent algorithm are adopted to optimize beam parameters, so that the recognition efficiency is improved. The system further utilizes an anti-collision algorithm to dynamically adjust frame parameters, and performs logic grouping based on spatial positions and type characteristics of tags, so that signal collision and missed reading rates are remarkably reduced. Meanwhile, the data management unit stores and outputs the label data in a classified mode, and intelligent management capacity is provided for multi-scene application.

The invention relates to the field of sensor activation, in particular to a tire pressure sensor activation method and device, equipment and a storage medium. The method comprises the following steps: acquiring vehicle running state monitoring parameters and vehicle driving monitoring images in real time based on a multi-sensor array; vehicle vibration time-frequency analysis is carried out on the vehicle running state monitoring parameters, vehicle vibration situation mining is carried out, and a vehicle vibration situation curve is constructed; road object recognition is carried out on the vehicle driving monitoring image based on the vehicle vibration situation curve, real-time road condition scene structure rendering is carried out, and a real-time road condition scene model is constructed; obtaining a historical behavior log of the vehicle; carrying out multi-time-point vehicle position calculation on the vehicle historical behavior log, and carrying out dynamic vehicle movement track reconstruction so as to construct a historical vehicle dynamic track; and performing dynamic behavior feature analysis on the historical vehicle dynamic trajectory, and constructing a personalized driving portrait of the vehicle owner. According to the invention, efficient and rapid tire pressure sensor activation is realized.

The invention discloses a fuel cell rapid activation method, and relates to the technical field of fuel cells, and the activation method comprises the steps of early-stage preparation, electrode pretreatment, activation reagent injection, activation treatment, post-treatment and evaluation and optimization. The method has the advantages that the electrochemical impedance spectrometer is used for state inspection of the electrode and other components in the electrode pretreatment stage, the reliability of the fuel cell to be detected is ensured, the surface of the electrode is deeply cleaned through the cleaning agent and the ultrasonic cleaning machine, dust, oil stains and impurities on the surface of the electrode can be effectively removed, and the detection accuracy is improved. Meanwhile, the microstructure and chemical composition of the surface of the electrode are improved by utilizing a plasma technology, and the catalytic activity and corrosion resistance of the electrode are improved, so that the activation efficiency and the operation stability of the fuel cell are improved, and potential abnormities can be found and treated in time by evaluating the performance in real time; and the fuel cell is ensured to operate in an optimal state.

The invention discloses a monatomic catalyst for activating peroxymonosulfate as well as a preparation method and application of the monatomic catalyst. The catalyst comprises a nitrogen and sulfur co-doped Ti3C2Tx nanosheet and an iron monatomic or cobalt monatomic targeted on the nanosheet in an asymmetric coordination structure. The preparation method comprises the following steps: mixing the Ti3C2Tx nanosheet, a precursor containing a nitrogen source and a sulfur source, and soluble metal salt, self-assembling, freeze-drying and pyrolyzing. The monatomic catalyst provided by the invention has excellent conductivity and electronic structure, can form a large amount of reactive oxygen species in a catalytic degradation system on the premise of low addition amount of peroxymonosulfate, and has the advantages of high activation efficiency on peroxymonosulfate, capability of effectively reducing the usage amount of peroxymonosulfate and the like; the peroxymonosulfate can be activated to achieve efficient purification of organic wastewater, the operation cost of the peroxymonosulfate activation technology can be effectively reduced, and meanwhile, the new environmental pollution risk caused by the fact that a large amount of peroxymonosulfate is used can be remarkably reduced.

The invention discloses a pharmaceutical composition and application thereof. The pharmaceutical composition comprises a reducing drug and reducing sensitive nanoparticles, the sensitive nanoparticles are reduced into cabazitaxel-Guerbet alcohol prodrug self-assembled nanoparticles, and the cabazitaxel-Guerbet alcohol prodrug self-assembled nanoparticles are reduced The cabazitaxel-Guerbet alcohol prodrug self-assembled nanoparticles comprise the cabazitaxel-Guerbet alcohol small molecule prodrug self-assembled nanoparticles modified by PEG (Polyethylene Glycol) or modified by an active targeting group, or the cabazitaxel-Guerbet alcohol small molecule prodrug self-assembled nanoparticles entrapped with a hydrophobic fluorescent substance. According to the invention, the immune microenvironment is effectively reversed through the reducing drug, the permeation of the reduction-sensitive cabazitaxel-Guerbet alcohol prodrug self-assembled nanoparticles in tumors is enhanced, the active drug release of the reduction-sensitive nanoparticles is promoted, and the anti-tumor activity of the reduction-sensitive nanoparticles is comprehensively enhanced.

The invention discloses photovoltaic cast-in-place pile concrete taking composite activated chromium slag as an admixture. The concrete is prepared from the following raw materials in parts by mass: 46 to 185 parts of activated chromium slag, 276 to 415 parts of P.O 42.5 cement, 140 to 175 parts of water, 512 to 542 parts of medium sand, 1206 to 1252 parts of stone and 4 to 9 parts of a water reducing agent. The preparation method of the active chromium slag comprises the following steps: performing microwave activation treatment on the chromium slag and an antidote, namely waste cane molasses, and then performing ball milling with solid Na2SiO3 for chemical activation to prepare the microwave-chemical composite activated chromium slag. The prepared concrete is high in compressive strength, the amount of consumed chromium slag is large, large-scale comprehensive utilization of the chromium slag is effectively achieved, and remarkable economic benefits and environmental benefits are achieved.

The present invention belongs to the technical field of catalysts, and relates to a cerium-modified CuMgAl catalyst, and a preparation method and application thereof. The present invention provides a preparation method of a cerium-modified CuMgAl catalyst, which comprises: adding an alkaline solution to a precursor solution containing a copper source, a magnesium source and an aluminum source to adjust the pH to 8 to 9, and obtaining a CuMgAl catalyst after water bath heating, aging and calcining; mixing the CuMgAl catalyst with a solution containing a cerium source, and then aging, filtering, washing and drying the mixture through microwaves, and then calcining the mixture to obtain a cerium-modified CuMgAl catalyst. The catalyst provided by the present invention has more weakly alkaline sites, and when used to produce methanol from carbon dioxide, it has a higher CO 2 Conversion, methanol selectivity and methanol space-time yield.

The invention discloses a preparation method of a cobalt-loaded porous skeleton-shaped graphite phase carbon nitride catalytic material, which comprises the following steps: (1) dissolving melamine in deionized water in an oil bath state to obtain a melamine solution; dissolving cyanuric acid in deionized water in an oil bath state to obtain a cyanuric acid solution; (2) slowly dropwise adding a cyanuric acid solution into a melamine solution, fully stirring, carrying out suction filtration, washing, drying, and pyrolyzing in a nitrogen atmosphere to obtain a g-C3N4 carrier; and (3) dispersing a divalent cobalt salt and the g-C3N4 carrier in deionized water, fully stirring, centrifuging, collecting a precipitate, freeze-drying, and pyrolyzing in a nitrogen atmosphere to obtain the Co-g-C3N4 catalytic material. The porous framework-shaped graphite phase carbon nitride prepared by the method is formed by tightly stacking a large amount of flaky and tubular graphite phase carbon nitride, the surface of the porous framework-shaped graphite phase carbon nitride is porous, the structure is loose, and abundant attachment sites are provided for attachment of cobalt atoms.

The invention belongs to the field of catalyst material preparation, and particularly relates to a manganese-based catalyst and a preparation method and application thereof. The preparation method comprises the following steps: dispersing a manganese-based carrier and an acidic solution in water, then transferring the solution into a reaction kettle for hydrothermal reaction, cooling and separating after the reaction is finished, and drying to obtain an acid-modified manganese-based carrier; under the stirring condition, transition metal salt is dissolved in water, the acid-modified manganese-based carrier is added, and a solid is obtained after filtering and drying; and finally, calcining the obtained solid to obtain the manganese-based catalyst. In a humid environment, the manganese-based catalyst shows higher chlorobenzene conversion rate, ozone conversion rate and COx selectivity than traditional catalysts, and has good long-term stability.

The invention provides a preparation method of porous carbon for a silicon-carbon negative electrode material, and belongs to the field of lithium ion battery negative electrode materials. The preparation method of the porous carbon for the silicon-carbon negative electrode material comprises the following steps: crushing and grading, activating and pore-forming, washing and purifying, and carbonizing at high temperature. According to the preparation method of the porous carbon for the silicon-carbon negative electrode material, the technical problems that the yield of the porous carbon for the current silicon-carbon negative electrode material is difficult to increase, the activation process is difficult to control, the activation efficiency is low, the activation effect is poor and the metal pollution prevention and control cost is high are solved, and meanwhile, the uniformity of the pore structure of the porous carbon for the silicon-carbon negative electrode material is further improved; the quality of porous carbon is improved; the production efficiency is improved; and the production cost is reduced.

The invention discloses a preparation method of pitch-based porous carbon with an adjustable pore volume ratio, a product of the pitch-based porous carbon and application of the pitch-based porous carbon as a substrate to preparation of a silicon-carbon negative electrode material, the preparation of the porous carbon comprises the following steps: S1, dissolving cellulose in an alkali / urea / aqueous solution, fully hydrolyzing to obtain a uniform solution, adding pitch, and uniformly stirring; after fully mixing, heating and drying to obtain a cellulose and asphalt composite material; s2, heating the cellulose and asphalt composite material to carry out pre-oxidation crosslinking, and then carrying out pre-carbonization treatment in a protective atmosphere to obtain a carbonized material; and S3, activating the carbonized material to obtain the pitch-based porous carbon with an adjustable pore volume ratio. The asphalt-based porous carbon prepared by the method disclosed by the invention has extremely high particle strength, the micropore rate and the micropore-mesopore ratio are adjustable, and the silicon-carbon negative electrode material prepared by taking the asphalt-based porous carbon as the substrate has excellent cycling stability, high reversible specific capacity and first coulombic efficiency.

The invention discloses a calcium hydrogen phosphate activating treatment conveying system which comprises a carrying box and a supporting frame arranged on a supporting table. A transfer assembly; the base is arranged on the supporting frame; the first motor is arranged on the supporting table, connected with one of the roller shafts through a gear mechanism and used for outputting kinetic energy of the conveying belt, the grinding and screening part for transporting and packaging calcium polyphosphate is used for activating calcium hydrophosphate, and a third motor is arranged on the grinding and screening part; and a rotating assembly is arranged in the grinding and screening part. The device has the intermittent discharging effect, the effect that opening and closing of the feeding valve can judge the blockage clearing effect according to the resistance borne by the packing auger can be achieved, through the arrangement of the inner magnet and the outer magnet, when the rotating speed of the packing auger is reduced, operation of the clearing assembly can be started, and therefore calcium hydrogen polyphosphate blocked in the inner pipe shaft is rapidly cleared, and the conveying efficiency is improved.

The invention discloses a bimetallic atom catalyst with a Fe-Cu structure as well as a preparation method and application of the bimetallic atom catalyst, and belongs to the field of environmental remediation materials. The method comprises the following steps: (1) mixing and pretreating urea, 1, 10-phenanthroline, soluble iron salt and copper salt, and calcining in a nitrogen atmosphere; and (2) washing and drying the calcined product obtained in the step (1) to obtain the bimetallic atom catalyst with the Fe-Cu structure. The preparation method is simple in steps and easy to amplify, and the prepared monatomic catalyst has good performance of activating peroxymonosulfate (PMS).

The present application discloses a method for rapid activation of a high-temperature methanol fuel cell, and belongs to the field of fuel cell technology. The method is to activate the fuel cell by electrochemical reduction treatment and gas pressure pulse treatment. Based on the internal characteristics of the high-temperature fuel cell, the present application introduces an electrochemical reduction operation to achieve in-situ removal of foreign matter on the catalyst surface; at the same time, the hydrogen bubbles generated by the reduction of the catalyst surface will impact the gas-liquid phase channel. On this basis, by introducing a gas pressure pulse operation, the gas pressure fluctuation in the gas-liquid phase channel is strengthened to form a more violent impact, accelerate the formation of the gas transmission channel, and then achieve rapid activation.

The invention relates to the technical field of sputtering film forming, and particularly discloses a microwave plasma assisted sputtering optical film forming device which comprises a vacuum box, magnetron sputtering boxes, a vacuum exhaust area and an oxidation reaction area, the magnetron sputtering boxes are installed on the side wall of the vacuum box and are communicated with each other, the two magnetron sputtering boxes are symmetrically distributed about the vacuum box, and the vacuum exhaust area is communicated with the oxidation reaction area. The vacuum exhaust area and the oxidation reaction area are both located on the side wall of the magnetron sputtering box, and a rotating assembly is arranged in the vacuum box. The distance between the magnetron sputtering target material and the substrate is kept, the stability and the film forming effect in the sputtering film forming process are improved, the function of monitoring and controlling the consumption state of the target material is achieved, the observation operation process of people is greatly simplified, the risk after the sputtering target material is plated through is reduced, and the safety is improved; and an oxidation zone is constructed as an oxygen particle activation zone, so that a better oxidation effect is achieved.

The invention discloses an OVA (at) MMSNs (at) BM-Mannose bionic nano vaccine and a preparation method thereof, and belongs to the technical field of nano vaccines. The OVA (at) MMSNs (at) BM-Mann rose bionic nano vaccine is a nano material coated by a bacterial plasma membrane. The OVA (at) MMSNs (at) BM-Mannose bionic nano vaccine prepared by the preparation method disclosed by the invention is strong in cellular uptake ability and good in storage stability; the hemolytic activity is low, and the hemolysis rate of 6% or below can still be kept even when the concentration is 100 micrograms per milliliter; the in-vitro cytotoxicity is small, and the safety is high; obvious toxicity is not generated on mice in vivo; the hydration particle size is 220nm; dC2.4 cells have the phenomena of continuous uptake and concentration dependence on the nano vaccine, are basically saturated within 2 hours, and have the potential of being applied to the field of magnetic resonance imaging; the activation efficiency on DC2.4 is high; the targeting delivery capability is realized; according to the prepared FITC-OVA (at) MMS Ns (at) BM-Mannose bionic nano vaccine, the visual delivery of the nano vaccine can be realized, and the observation and research are convenient; the preparation method of the bionic nano vaccine is simple and easy to operate, and the used raw materials are safe, non-toxic or low in toxicity and safe to the environment and operators.

The invention relates to the fields of preparation of a composite functional aerogel carbon material and antibiotic wastewater purification, in particular to a method for creating a functional aerogel carbon high-long-acting purification material based on a waste disposable mask as a carbon source. Comprising the following steps: preparing a precursor solution taking a waste disposable mask as a carbon source, carrying out metal grafting on a precursor to obtain a base material, freeze-drying the base material to prepare metal-grafted functional aerogel, uniformly dispersing the product at the bottom of a porcelain boat, placing the porcelain boat in a tubular furnace, carrying out high-temperature pyrolysis in an argon atmosphere, and naturally cooling to room temperature to obtain the metal-grafted functional aerogel. The functional carbon aerogel with the high and long-acting purification effect is obtained. According to the material, polypropylene serving as a main component of a middle layer of a waste disposable medical mask serves as a carbon source, a metal polyphenol network is constructed by waxberry tannin and magnesium element to form the biomass carbon composite material, synthesis steps are simple and easy to implement, reaction conditions are easy to control, raw material components needed for preparation are low in price, and environmental benefits are achieved. The prepared carbon aerogel material activates peroxydisulfate (PDS), so that rapid degradation and purification of various types of antibiotics represented by oxytetracycline can be efficiently realized.

The invention belongs to the technical field of environmental pollution treatment and water treatment, and particularly relates to a method for degrading organic pollutants by coupling a nano confinement catalytic membrane with micro-nano bubbles. The method comprises the following steps: adding micro-nano bubble water and an oxidizing agent into an organic pollutant solution, regulating the pH value to prepare a pretreatment mixed solution, and enabling the pretreatment mixed solution to pass through a nano confinement catalytic membrane to catalytically degrade the organic pollutants, the nano confinement catalytic membrane comprises an organic polymer membrane substrate and a catalyst loaded in the organic polymer membrane substrate; the loading capacity of the catalyst is 5 to 30 mg. The problems that antibiotics are difficult to degrade, pollutant concentration is easily caused by membrane separation, a catalyst is difficult to recycle, and membrane flux and catalytic activity are difficult to balance are solved, the method has the advantages of being high in degradation efficiency, stable in membrane flux, easy to recycle the catalyst and wide in application range, and wastewater containing organic pollutants can be efficiently treated.

The application discloses a method for treating antibiotic wastewater by using a graphdiyne / ferrous indium sulfide nanocomposite to activate persulfate, and the method is characterized by using the graphdiyne / ferrous indium sulfide nanocomposite as a catalyst to activate persulfate for degrading and treating antibiotic wastewater, wherein the graphdiyne / ferrous indium sulfide nanocomposite comprises ferrous indium sulfide nanoparticles, and the nanoparticles are loaded with graphdiyne nanosheets. The method for treating antibiotic wastewater by using the graphdiyne / ferrous indium sulfide nanocomposite to activate persulfate uses the graphdiyne / ferrous indium sulfide nanocomposite as a catalyst, wherein the nanocomposite has many reactive sites, high catalytic activity and good stability, can efficiently activate persulfate with a smaller amount of catalyst, can efficiently remove antibiotics in wastewater, and has the advantages of low cost, high treatment efficiency, good removal effect, green environmental protection and the like, and therefore, the method has important significance for effectively purifying antibiotic wastewater, has high use value and good application prospect.

The present invention discloses an epitaxial growth method for improving the hole activation efficiency of a deep ultraviolet LED, comprising the following steps: S1, preparing a deep ultraviolet LED epitaxial wafer; S2, in a nitrogen atmosphere, performing in-situ annealing on the deep ultraviolet LED epitaxial wafer for several cycles; in a single in-situ annealing cycle of step S2, any process parameter in the cavity pressure or the nitrogen flow rate changes in a trend of first decreasing and then increasing. The present invention not only improves the activation efficiency of Mg by setting a periodic annealing stage and adjusting the nitrogen flow rate or the cavity pressure, but also can prompt the byproducts after H dissociation to be discharged from the reaction chamber in time, effectively preventing the secondary bonding of Mg and H, and improving the luminous efficiency of the deep ultraviolet LED device.

The invention discloses a membrane electrode activation method, device and equipment and a fuel cell, accumulative calculation is carried out according to an ECSA integral calculation formula in a preset time period, the active area of a to-be-detected membrane electrode activated by cyclic voltammetry is judged to be larger than a preset active area, after an electrochemical workstation is dismounted, the to-be-detected membrane electrode is connected with a load, and the to-be-detected membrane electrode is activated. And after the cathode gas of the membrane electrode to be detected is switched into air and the anode gas is switched into hydrogen, performing high-frequency variable-current activation until the battery voltage is stabilized at a preset voltage value under the preset current density. According to the method, the cyclic voltammetry is firstly adopted for activation, impurities on active sites of a catalyst layer covering the surface of the membrane electrode can be removed, humidification gas is accelerated to enter the catalyst layer, the active area of the membrane electrode to be detected is larger than the preset active area, then high-frequency variable-current activation is carried out, and an electron and proton mass transfer channel can be rapidly constructed; therefore, efficient establishment of a reaction three-phase interface is realized, the activation time is shortened, and the activation efficiency is improved.

This application provides a multi-station solid hydrogen storage tank activation device, relating to the field of hydrogen storage equipment technology. The key technical points are: it includes an activation chamber, with multiple station tubes extending along its thickness direction. The axial outer wall of each station tube is flush with and sealed to the end face of the activation chamber on the same side. Gaps are left between adjacent station tubes, and between the radial outer wall of each station tube and the inner wall of the activation chamber facing the radial outer wall of the station tube, forming a heat exchange cavity. An inlet is provided on the bottom outer wall of the activation chamber, and an outlet is provided on the top outer wall. The inlet and outlet are connected to a hot / cold water heater. The station tubes are tubular structures with axial through holes. The multi-station solid hydrogen storage tank activation device provided by this application has the advantage of ensuring good thermal conductivity of the solid hydrogen storage tank while enhancing its activation efficiency.

The utility model relates to the technical field of humic acid activation, in particular to an efficient activation reaction device. The efficient activation reaction device comprises an activation kettle and a premixing kettle, the premixing kettle is connected with the activation kettle through an inclined connecting pipeline, a hemispherical disperser and a spraying disc are arranged in the activation kettle, a filter is arranged below the inclined connecting pipeline, and the filter is connected with a waste acid liquid collecting tank through a communicating pipeline. According to the device, through the arrangement of the premixing kettle, used low-concentration acid liquor is introduced into the premixing tank to be premixed with a solid phase, the utilization efficiency of the acid liquor is improved, meanwhile, the solid phase is pre-activated, and the activation efficiency of the activation kettle is greatly improved; through the arrangement of the inclined connecting pipeline and the filter, the acid liquor in the premixing kettle is filtered into the waste acid liquor collecting tank, so that the influence of the acid liquor in the premixing kettle on the activation of the acid liquor in the activation kettle is avoided.

The present application relates to the field of biomedical technology, and specifically to CAR molecules, CAR cells, CAR pharmaceutical compositions and their applications. The CAR molecule includes an extracellular domain, a transmembrane domain, and an intracellular domain; the extracellular domain includes an antigen binding domain and a multimerization / dimerization domain in sequence. The present application transforms the extracellular structure to improve the polymerization ability of the CAR molecule, which helps to improve the activation efficiency of CAR immune cells, promote the formation of stable and orderly immune synapses, and thus enhance the anti-tumor function of CAR immune cells.

This invention discloses a compound produced by Aspergillus fungi, its preparation method, and its applications, belonging to the field of biomedical technology. The invention utilizes solid-state fermentation of Aspergillus sp. derived from grasshopper Oxya chinensis Thunb., followed by anhydrous ethanol extraction and ethyl acetate extraction to obtain a total extract. Nine emestrin-type diketopiperazine alkaloids were then purified by normal-phase silica gel column chromatography, gel column chromatography, and high-performance liquid chromatography. The structures and configurations of these compounds were determined using spectroscopic analysis, quantum chemical calculations, and X-ray single-crystal diffraction. These compounds significantly activate caspase 3 protein and promote tumor cell apoptosis, demonstrating potential as anti-tumor drugs.

The present invention provides the preparation and use of immunostimulatory coupling complexes for targeted delivery and activation. Specifically, the present invention provides a compound shown in formula M-S-C-A, which is used as a connecting arm, and a drug compound shown in formula M-S-C-A-D connected to a drug. The drug compound of the present invention has improved water solubility, reduced cytotoxicity, and enhanced drug activity.

The invention discloses a preparation method of a metal-semimetal double-monatomic catalyst loaded on the basis of a carbon molecular sieve. The preparation method comprises the following steps: S1, carrying out activation pretreatment on a carbon molecular sieve carrier; s2, mixing the pretreated carbon molecular sieve powder with a copper salt and a selenium source, adding a solvent, stirring, and performing ultrasonic treatment to obtain precursor powder; and S3, putting the precursor powder obtained in the step S2 under inert atmosphere protection, and carrying out heat treatment. Through the electronic coupling and synergistic effect between copper and selenium atoms, the electronic structure of the catalyst can be precisely regulated and controlled, the efficiency of a reaction path is optimized, the interaction between copper and LiPSs is promoted, the catalytic performance of the catalyst is enhanced, in the adsorption and catalytic conversion process, the affinity of LiPSs and the catalyst is remarkably improved, the shuttle effect is inhibited, and the catalytic performance of the catalyst is improved. And the method has wide application prospect and important value in the research and practice of the lithium-sulfur battery.

The invention discloses a method and a device for flexibly allocating gateway addresses based on a fragmentation technology, and the method comprises the steps: confirming a gateway mask according to the number of required user addresses; partitioning the planning address field by using a gateway mask to obtain a total partition set; reading an occupied address field, and partitioning by using a gateway mask to obtain an occupied partition set; if a certain partition in the occupied partition set falls into the partition set of the planned address field, discarding the partition in the partition set of the planned address field; remaining partitions in the partition set of the planning address field are recorded as an idle partition set, and the partitions with small addresses are preferentially used and stored in the occupation table. According to the method and the device, the IP address resource allocation is more flexible and accurate, the address allocation algorithm is optimized, the address waste is reduced, the utilization rate of the address resource is improved, the service fulfillment efficiency is further improved, the working pressure of network operation and maintenance personnel is reduced, and the operation and maintenance cost is reduced.

The invention discloses a thermal confinement hollow porous carbon nanosphere for removing organic matters in water as well as a preparation method and application of the thermal confinement hollow porous carbon nanosphere, and belongs to the technical field of environmental science and engineering. The preparation method comprises the following steps: mixing a fluorine source and an organic solvent in ultrapure water, stirring to form a mixed solution, and mixing and stirring the mixed solution, a silicon source and dopamine hydrochloride to obtain a turbid liquid; sequentially centrifuging, washing and freeze-drying the turbid liquid to obtain SiO2 (at) PDA powder; and sequentially carrying out high-temperature pyrolysis and acid pickling on the SiO2 (at) PDA powder to obtain the thermal confinement hollow porous carbon nanospheres. Tetraethoxysilane with good hydrolyzability is used as a silicon source, ammonium fluoride is used as a fluorine source to etch the tetraethoxysilane to obtain a silicon oxide structure, then the silicon oxide structure is crosslinked with dopamine hydrochloride to form SiO2 (at) PDA with a core-shell structure, and finally high-temperature pyrolysis and acid pickling are performed to obtain the thermal confinement hollow porous carbon nanospheres.

The invention provides an activation tube structure of a multi-tube activation furnace, and belongs to the technical field of activation furnaces. The bottom end of the activating furnace body is provided with an inclined support frame; the middle part of the activating furnace body is provided with a central combustion chamber; a plurality of activating pipes which are uniformly distributed along the circumferential direction of the central combustion chamber are also arranged in the activating furnace body; one end of each activating pipe is provided with a raw material inlet communicated with the outside, and the other end of each activating pipe is provided with a raw material outlet; a steam stirring device is arranged in the activation pipe, sealing covers are arranged at the two ends of the activation furnace body respectively, the two ends of the activation pipe penetrate through the sealing covers at the two ends respectively, a discharging cavity communicated with the raw material outlets is further formed in the end, close to the raw material outlets, of the activation furnace body, and a discharging opening is formed in the bottom of the discharging cavity and connected with a cooling device. The raw materials are continuously stirred in the activation pipe and are in uniform and full contact with water vapor, so that the activation reaction efficiency of the raw materials can be effectively improved, the time required by activation is shortened, and the yield of activated carbon is increased to improve the performance of the activated carbon.