378results about How to "Shape stable" patented technology

The invention relates to the field of carbon fiber container processing equipment, in particular to a large-size flange roundness correction tool which comprises two fixing frames, a plurality of positioning devices and a plurality of positioning devices, the two fixing frames are oppositely arranged, and at least one fixing frame is arranged to be capable of linearly moving so that the two fixing frames can move back to back and close to each other; and the two shaping rings are connected with the fixing frames respectively, a plurality of adjusting pieces capable of stretching out and drawing back in the radial direction of the shaping rings are arranged on the shaping rings in the circumferential direction of the shaping rings at intervals, and connecting parts capable of being connected with flanges are arranged at the inner ends of the adjusting pieces. According to the device, the shape of a flange subjected to roundness correction can be kept stable in the bonding process through the shaping ring, and the problems existing in the prior art are effectively solved.

The invention discloses a chlorosulfonated polyethylene glove and a preparation method thereof.The chlorosulfonated polyethylene glove comprises at least one functional structure layer, and the functional structure layer is formed by adhering liquid raw materials on the surface of a shaping base layer by layer and curing the liquid raw materials; wherein the functional structure layer is any one of a gas-liquid isolating layer, an aging reinforcing layer and an anti-radiation layer. According to the chlorosulfonated polyethylene glove, any one or more than two of the gas-liquid isolating layer, the aging reinforcing layer and the anti-radiation layer are used as the functional layer, and the chlorosulfonated polyethylene glove with a specific function is formed through multi-layer compounding of an impregnation process, so that the chlorosulfonated polyethylene glove has air tightness, chemical resistance, radiation resistance, aging resistance, puncture resistance, wear resistance and the like; a long-acting gas / liquid isolation effect can be realized; meanwhile, the material types of the functional layers are various, and the layer number and the combination sequence of the functional layers can be reasonably selected and matched according to application requirements.

The invention discloses a cerium oxide material, a preparation method and application thereof, and relates to the field of rare earth metal compound materials.The cerium oxide material with a micro-nano-scale ball-rod mixed structure is obtained by reacting cerium salt and a precipitant in an aqueous solution environment to generate a precipitate and extracting the precipitate for calcination treatment. The method has the advantages of simple and fast process, no need of promoting crystallization in a high-pressure environment of a reaction kettle, no need of adding any structure-directing agent or template agent, and easier realization of macro-controllable, low-cost and low-energy preparation; the prepared cerium oxide material is used as an anti-aging agent to be applied to a rubber composite material, and the aging resistance, the oxidation resistance and the mechanical property of rubber can be greatly improved without modifying the cerium oxide material.

The invention discloses a low-temperature early-strength cement slurry system based on a cellulose-based composite phase change material, and belongs to the field of oil and gas field well cementation. The preparation method of the composite phase change material comprises the following steps: adding pretreated waste paper fibers, a cross-linking agent and a heat conduction material into an alkali / urea solution, and putting the mixture into an ultrasonic cleaning instrument to obtain a mixture A; transferring to a dialysis bag, and soaking in deionized water to obtain a mixture B; and performing in-situ mixing on the mixture C and organic phase change material molecules to obtain a mixture C, and performing vacuum freeze drying. The low-temperature early-strength cement slurry system is prepared from the following components in parts by weight: 100 parts of cement, 0.3-1 part of a composite phase change material, 5-25 parts of a density reducing material, 0.1-0.8 part of an early strength agent, 0.2-1 part of a dispersing agent, 0.2-2 parts of a fluid loss agent, 0.01-0.5 part of a defoaming agent and 44-58 parts of water. While cement hydration heat release is regulated and controlled, the early compressive strength of the cement can be improved, and the operation time efficiency and the construction safety are improved.

The invention relates to the technical field of catalyst carrier preparation, and discloses an alumina carrier and a preparation method thereof, the preparation method of the alumina carrier comprises the following steps: 1) contacting a first slurry containing alginate and an aluminum-containing compound with a solution or colloid containing modified cellulose to obtain a second slurry; 2) dropwise adding the second slurry obtained in the step 1) into a solution containing multivalent metal cations, and carrying out a cross-linking reaction to obtain cured particles; and (3) calcining the cured particles obtained in the step (2). According to the method, it can be guaranteed that the aluminum oxide particles are not affected by temperature, humidity and other factors in the preparation process, the morphology is kept stable, cracking and cracking do not occur, and meanwhile the good strength performance is obtained.

The invention provides a Mn-based metal organic framework derived Mn2O3 / Mn3O4 heterojunction material as well as a preparation method and application thereof, and belongs to the field of nano material preparation methods and electro-catalysis cross application. The preparation method comprises the following steps: S10, reacting manganese salt, a surfactant and a benzoic acid compound in a solvent to obtain a Mn-based metal organic framework material; s20, calcining the Mn-based metal organic framework material in an inert atmosphere to obtain a carbonized product; and S30, flattening the carbonized product, and calcining the flattened carbonized product in an air atmosphere to obtain the Mn-based metal organic framework derived Mn2O3 / Mn3O4 heterojunction material. The method can be applied to renewable energy sources, is simple in process, universal in preparation condition, high in yield, green and environment-friendly, stable in product morphology and excellent in catalytic activity, shows excellent activity and electrochemical performance in catalysis of lithium polysulfide conversion of a cathode of a lithium-sulfur battery, and is also suitable for medium-scale industrial production.

The invention provides a dimer acceptor material as well as a preparation method and application thereof. The structural general formula of the dimer type acceptor material is (I), and the dimer type acceptor material is constructed by taking a rigid unit with a pi conjugated structure as a bridging unit. The acceptor material has a relatively high glass transition temperature and a relatively low diffusion coefficient. The material is used in a photoelectric functional device, can stabilize the film morphology of an active layer, and finally can effectively improve the stability of the device, for example, as an active layer acceptor material of an organic solar cell, can promote commercial application of the organic solar cell.

The invention discloses a spinning forming device for a combustion chamber, and belongs to the field of spinning machines.The spinning forming device comprises two mounting bases and a workbench, clamping grooves are formed in the outer surfaces of the mounting bases, fixing frames are connected to the sides, transversely close to the mounting bases, of the clamping grooves in a clamped mode, mandrels are fixedly connected to the inner surfaces of the fixing frames, and guide wheels are rotatably connected to the outer surfaces of the mandrels; a lubricating assembly is arranged on the inner side of the fixing frame. By arranging the lubricating assembly, lubricating liquid is evenly smeared on the surface of the guide wheel through contact cotton, so that the friction force between the guide wheel and a metal plate can be reduced to a certain degree, abrasion of the guide wheel in the working process can be reduced, and the service life of the guide wheel is prolonged; meanwhile, scratches on the surface of the metal plate in the spinning forming process of the metal plate can be reduced, the lubricating liquid can have a certain cooling effect on the metal plate, the overheating probability caused by friction between the metal plate and the guide wheel is reduced, and then the spinning forming quality of the metal plate can be effectively improved.

The invention provides a method for improving morphology of junctions of gate oxides with different thicknesses on STI (shallow trench isolation), and the method comprises the steps: 1, providing a substrate, forming shallow trench isolation on the substrate, and forming a gate oxide layer on the substrate; step 2, after a photoresist mask layer is formed, etching the exposed gate oxide layer; 3, trimming the photoresist mask layer to adjust the boundary of the photoresist mask layer; 4, etching the exposed gate oxide layer again; and 5, after the photoresist mask layer is removed, forming a grid electrode on the substrate. According to the invention, the boundary of the photoresist mask layer is adjusted step by step through multiple times of finishing of the photoresist mask layer formed on the gate oxide layer, and one time of etching of the gate oxide layer is carried out after each time of finishing, so that a gate-oxide junction with smooth morphology can be obtained, residues formed at the gate-oxide junction in a subsequent process are reduced, and the performance of a device is further improved.

The invention provides an integral forming method and device for a pressure accumulator diaphragm capsule, and the method comprises the following steps: sleeving a movable female die into a pipe blank part, and adjusting the distance between the movable female die and a fixed female die; a high-pressure fluid medium is introduced through an internal flow channel of the connecting rod, and the pressure and loading time of the high-pressure medium are regulated by a pressure regulating device; the positions of the movable core head, the fixed sealing head, the pre-expansion limiting die and the movable female die are kept immovable, and the pressure regulation and control device is adjusted to unload the pressure of the high-pressure medium; the pre-expansion limiting die is separated in the radial direction and rotates to be separated from the pipe blank part; the movable female die moves in the axial direction to form a single waveform; the movable female die moves progressively in the axial direction, and the movable core head moves in the axial direction as well; and forming of a second waveform and a subsequent waveform is completed. According to the method, the defects of welding deformation, weld joint gouges, weld joint surface oxidation color, weld joint black spots and joint internal oxide inclusion caused by a traditional welding method are overcome, the quality control difficulty in the production process is reduced, and the production efficiency and the production quality of the diaphragm capsule are remarkably improved.

The invention relates to the related technical field of high-voltage wires, in particular to a high-voltage connecting wire with a fixed shape and a shielding function, which comprises a metal conductor, and a supporting mechanism is arranged on the outer side surface of a sheath. According to the high-voltage connecting wire with the fixed shape and the shielding function, through the arrangement of the supporting mechanism, during installation, the first supporting block and the second supporting block are close to each other from the two sides of the sheath, the clamping blocks are pushed into the clamping grooves, the fixing blocks are extruded to push the limiting plates to compress the telescopic springs, and after the clamping blocks enter completely, the fixing blocks pop out under the action of the springs and are inserted into the fixing holes; the supporting blocks surround the sheath to provide stable support for the wire, and when the wire is subjected to external force, the supporting mechanism protects the internal wire structure, prevents deformation and damage, improves the use flexibility and tightly cooperates with the supporting blocks to provide rigid support and ensure that the shape of the wire is fixed by means of structural strength and elastic buffering. And the installation and use reliability is improved.

The utility model discloses a capacitor protection assembly and a capacitor, and relates to the technical field of capacitors, and the capacitor protection assembly comprises a housing, a cover body, a support, and a conductive assembly. The shell is provided with a containing cavity for containing the capacitor assembly. The cover body is arranged at the opening of the containing cavity in a covering mode. The support is installed on the cover body, and at least part of the support is located in the containing cavity. The conductive assembly comprises a first conductive part and a second conductive part which are connected, the first conductive part is directly or indirectly connected with the cover body, and the second conductive part is installed on the support. The support is provided with an electric fence, the electric fence is arranged on the peripheral side of the second conductive part, when the capacitor assembly breaks down, the cover body expands in the direction away from the support, and the first conductive part and the second conductive part are disconnected. According to the capacitor protection assembly, the capacitor protection capability can be improved, and the fault probability of the capacitor is reduced.

The invention relates to the technical field of forming equipment, in particular to non-cutting extrusion forming equipment for a hollow frame of a display. Comprising a rack, and further comprises an unwinding component, a component for continuously unwinding, derusting and pre-cleaning a strip, a derusting, pre-cleaning, differential and reciprocating tensioning mechanism for unwinding the strip, a tensioning, reciprocating ballasting and forming mechanism for unwinding the strip, an extrusion forming and shaping mechanism for unwinding the strip, and a shaping mechanism for shaping the extruded strip. The device has the beneficial effects that the device can efficiently complete non-cutting extrusion forming operation of the hollow frame of the display, and during strip extrusion forming, the device can effectively improve the yield of the hollow frame of the display during extrusion forming through pre-rust removal, pre-cleaning, pre-tensioning and vibration pressing extrusion modes.

The invention relates to the field of medicine airing and transportation, and discloses a medicine airing production line of medicine columns and a turnover mechanism and a transfer mechanism of the medicine airing production line of the medicine columns, and the medicine airing production line of the medicine columns comprises a head transportation line, a medicine airing mechanism and a tail transportation line which are connected in sequence. The medicine airing mechanism comprises a plurality of medicine airing conveying lines which are sequentially arranged from high to low, the conveying directions of the adjacent medicine airing conveying lines are opposite, and the discharging end of each medicine airing conveying line conveys the medicine columns to the feeding end of the adjacent medicine airing conveying line. The automatic medicine airing device has the functions of automatic medicine airing, straightening, overturning and transferring and has the beneficial effects of being high in automation degree, eradicating potential safety hazards, high in medicine airing efficiency and high in practical value.

The invention provides an optical lens and electronic equipment. The optical lens comprises a first lens with negative focal power; the second lens has positive focal power or negative focal power, and the second side surface of the second lens is a concave surface; the third lens has positive focal power, and the second side surface of the third lens is a convex surface; the fourth lens has positive focal power, and at least one of the first side surface and the second side surface of the fourth lens is a convex surface; the distance d7 between the axis of the third lens and the axis of the fourth lens and the total optical length TTL of the optical lens meet the condition that d7 / TTL is larger than or equal to 0.07 and smaller than or equal to 0.3; the distance d2 between the axis of the first lens and the axis of the second lens and TTL meet the condition that d2 / TTL is smaller than or equal to 0.05. And the optical back focus BFL and TTL of the optical lens meet the condition that BFL / TTL is greater than or equal to 0.3 and less than or equal to 0.55. According to the invention, the problem that high resolution, small telecentricity and long back focus of an optical lens in the prior art are difficult to consider at the same time is solved.

The utility model relates to the technical field of automobile sun visors, and discloses a novel automobile sun visor with a fiber interlayer, which comprises a sun visor body, limiting grooves are arranged on two side walls of the sun visor body, springs are arranged in the two limiting grooves, one end of each spring is fixedly connected with the inner wall of the sun visor body, and the other end of each spring is fixedly connected with the fiber interlayer. The other end of the spring is fixedly connected with a limiting column, the limiting column is slidably connected with the limiting groove, and a mounting groove is formed in the sun shield body; through the arrangement of the limiting column, the spring, the connecting plate, the connecting rod, the sliding block and the movable plate, the sun shield body can be conveniently taken down from a vehicle body, then a groove in the vehicle body is independently cleaned, and the mode is simpler and easier to operate; and through the arrangement of a baffle, a hinge column, a connecting belt, a first magnet and a second magnet, the situation that when the sun shield is put down to shield sunlight, a cosmetic mirror is reflected into an eye curtain, and the appearance effect is affected is avoided.

The invention provides high-sphericity micro-nano silver powder and a preparation method thereof, and belongs to the technical field of metal powder preparation. The preparation method comprises the following steps: preparing a base solution by adopting polyvinylpyrrolidone, silver nitrate, a first reducing agent and a second reducing agent, respectively preparing a silver nitrate solution, a third reducing agent solution and a sodium hydroxide solution, quickly dripping the silver nitrate solution and the third reducing agent solution into the base solution at the same time, and after the reaction is complete, obtaining the silver-silver composite material. And adding a sodium hydroxide solution to adjust the pH value to 6.5-8, fully stirring, standing, separating out settled silver powder, washing, and drying to obtain the high-sphericity micro-nano silver powder. According to the preparation method, the technical scheme is reasonably designed, the characteristics of polyvinylpyrrolidone, sodium borohydride, ascorbic acid and sodium hydroxide are fully utilized, reagents are matched with one another, and preparation and particle size regulation and control of the spherical silver powder are achieved. The adopted raw materials are non-toxic and pollution-free, the technological process is short, the base solution can be used after being prepared, the batch stability is high, and kilogram-level amplified production is achieved.

The invention belongs to the technical field of toilet paper production, and particularly relates to environment-friendly fiber toilet paper production equipment and a method thereof.The environment-friendly fiber toilet paper production equipment comprises a rack, a raw material frame installed on the surface of one end of the rack and a tensioning guide frame installed on the surface of the rack; the compacting and rolling assembly comprises an outer cover fixedly installed on the surface of the rack. By means of the automatic feeding device, toilet paper rolls can be automatically wound and formed, the workload of manual arrangement and toilet paper winding is reduced, the automation degree of production is improved, roll cores can be rapidly and accurately supplied to the machining position, the time and steps needed by manual feeding are reduced, and therefore the overall production efficiency is remarkably improved, automatic feeding of the roll cores is achieved, and the production efficiency is improved. The adhesive in the adhesive storage box can be conveniently smeared on the surface of toilet paper through the tail end of the adhesive smearing pipe, follow-up rolling forming is facilitated, continuous production can be easily achieved, and therefore the overall production efficiency is greatly improved.

The utility model provides a tool for casting a high-grade iron casting by adopting resin sand and iron mold coated sand, which relates to the technical field of casting molds and comprises an upper sand box, a grid is fixedly connected to the top end of the upper sand box, a lower sand box is arranged below the upper sand box, heat dissipation holes are formed in the surface of the lower sand box, and the heat dissipation holes are communicated with the grid. Connecting lug plates are fixedly connected to the two sides of the upper sand box, through the arrangement of heat dissipation holes in the lower sand box, the heat dissipation effect of a casting in a resin sand mold is improved, cooling and curing of an iron solution can be accelerated, refining of an internal structure (forming of a globular body structure) in the cooling and curing process can be accelerated, and therefore the casting with the strength of HT300 or higher is obtained, and through the arrangement of the lower sand box, the heat dissipation effect of the casting in the resin sand mold is improved. The bottom plate with the thickness of 30mm can improve the rigidity and the strength of the lower mold, reduce deformation and ensure the dimensional accuracy and the shape stability of the casting, the thicker lower mold can better absorb and conduct heat, the cooling speed of the casting is favorably controlled, a casting system realizes a dead head-free design, the process yield is improved to 90%, and the cost is further reduced.

The utility model relates to the field of cables, in particular to a composite anti-extrusion cable, which comprises a second inner insulating layer fixedly sleeved on each cable core, a second sheath layer fixedly sleeved on each second inner insulating layer, a fixing sleeve fixedly sleeved on the second sheath layer, a fixing abutting block mounted on the fixing sleeve, and a second inner insulating layer fixedly sleeved on the fixing abutting block. The fixing abutting block abuts against the inner wall of each first inner insulating layer, multiple sets of anti-extrusion pads are fixedly installed on the inner wall of each first inner insulating layer, composite filler is laid in a cavity of each first inner insulating layer, and the outer wall of each first inner insulating layer is fixedly sleeved with a first outer insulating layer, a shielding layer and a first outer sheath layer in a layered mode. Compared with the prior art, the composite cable has the advantages that the problem that the cable is damaged by external force such as external traction, bending and extrusion in the actual use process is solved, and the anti-extrusion performance of the composite cable is further improved.

The utility model discloses a yarn false twisting device which comprises a false twisting mechanism, and the false twisting mechanism comprises a first false twisting assembly used for twisting yarn and a second false twisting assembly used for reinforcing the yarn. The first false twisting assembly comprises a hollow motor and a first false twister, and the hollow motor is fixedly connected with the first false twister and drives the first false twister to rotate; the second false twisting assembly comprises a hollow spindle and a second false twister, and the hollow spindle is fixedly connected with the second false twister and drives the second false twister to rotate. The yarn false twisting device can effectively and stably carry out false twisting and fixing on yarn, and the efficiency of the spinning process and the quality of products are effectively improved.

The invention relates to the field of rectification equipment, in particular to a rectification tower with an anti-blocking structure, which comprises a tower plate, a plurality of baffle plates, a plurality of baffle plates and a plurality of baffle plates, the floating ball is arranged on the upper side of the sieve hole, the diameter of the floating ball is larger than that of the sieve hole, and a plurality of dimpled grains are formed on the peripheral wall of the floating ball; the elastic arc plates are fixed to the upper sides of the screen holes in a central symmetry mode, the upper ends of the elastic arc plates form open ends with the diameter smaller than that of the floating balls, a distance is formed between every two adjacent elastic arc plates, and gaps are formed between the inner walls of the elastic arc plates and the peripheral walls of the floating balls. The tower plate has the effect of reducing the tower plate blockage probability.

The invention relates to a heat-treatment-free high-toughness aluminum-magnesium-silicon alloy and a preparation method thereof, belongs to the technical field of aluminum alloys, and solves the problems that a heat-treatment-free aluminum alloy in the prior art is not high in toughness and cannot meet the production of large thin-wall components. The invention relates to a heat-treatment-free high-toughness aluminum-magnesium-silicon alloy, which comprises the following elements in percentage by mass: 7 to 9 percent of Mg, 2 to 3 percent of Si, 0.1 to 0.4 percent of Mn, 0.05 to 0.2 percent of Ti, 0.05 to 0.1 percent of Zr, 0.01 to 0.05 percent of B, 0.01 to 0.1 percent of Cu, 0.05 to 0.2 percent of Zn, 0.05 to 0.1 percent of Ca, 0.05 to 0.1 percent of RE, 0.003 to 0.005 percent of Be, 0 to 0.15 percent of Fe, less than or equal to 0.15 percent of other uncontrollable impurity elements and the balance of Al. And preparation of the heat-treatment-free high-toughness aluminum-magnesium-silicon alloy is achieved.

The invention discloses a method and a device for compressing and fixing a glass fiber diaphragm of an aqueous battery. The method comprises the following steps: providing a positive plate, a negative plate and a glass fiber diaphragm; placing a glass fiber diaphragm between the positive plate and the negative plate for lamination to form a battery cell, and in the lamination process, injecting a certain amount of electrolyte into the film surface of the glass fiber diaphragm to moisten the glass fiber diaphragm so as to primarily adsorb the positive plate and the negative plate; and applying balanced pressure to the battery cell, so that the electrolyte is filled in the glass fiber diaphragm and air in the diaphragm is extruded, the glass fiber diaphragm is wholly moistened and fully adsorbs the positive plate and the negative plate, and the battery cell is compressed and shaped under the balanced pressure. A certain amount of electrolyte is injected into each glass fiber diaphragm, and the electrolyte forms a preliminary adsorption layer to realize adsorption of the positive plate and the negative plate; and by applying balanced pressure, the whole glass fiber diaphragm is moistened by liquid, and the shape fixing of the battery cell is realized.

The forming method comprises the following steps: providing a polypropylene base material and an additive, and carrying out pre-drying treatment on the polypropylene base material and the additive according to a preset weight percentage; melting and mixing the pretreated polypropylene base material and an additive in a range of 190-220 DEG C by using a twin-screw extruder, carrying out extrusion molding by using a circular mold, rapidly cooling the extruded thermoplastic pipe to room temperature by using a continuous water cooling device, and sizing by using a sizing roller way; the cooled pipe is moderately stretched in the longitudinal direction and the transverse direction through a two-way stretching device, and online detection is conducted through detection equipment; through collaborative optimization of the materials and the process, the produced weather-resistant photovoltaic pipe has excellent ultraviolet resistance, oxidation resistance and mechanical properties and is suitable for a photovoltaic system environment with high requirements, and high-quality preparation of the weather-resistant photovoltaic pipe is achieved.

The invention discloses a preparation method of an electrostatic chuck, which belongs to the technical field of electrostatic chucks and comprises the following steps: S1, preparing an electrostatic chuck base; s2, ceramic slurry is prepared and subjected to tape casting, and two laminated bodies are obtained through lamination; s3, glue discharging and sintering are conducted on the laminated body, and a first sintered body and a second sintered body are obtained; s4, processing the first sintering body and the second sintering body; s5, the first sintered body is subjected to silk-screen printing and drying; s6, the printed first sintered body is sintered for the second time, and a third sintered body is obtained; and S7, the third sintering body and the second sintering body are combined through glue with high thermal conductivity, and then the third sintering body and the second sintering body are combined with the electrostatic chuck base through glue with matched thermal conductivity. Through metallization of the processed ceramic substrate, the obtained electrostatic chuck can better control the parallelism of the electrode and the upper surface, and meanwhile, an electrode layer with more stable morphology and size can be obtained through detection and screening.

The embodiment of the invention provides a vacuum compression bed and a compression storage method. The vacuum compression bed comprises a horizontally-placed cuboid bed body and a bed head connected to one end of the bed body. The bed body and the bed head are made of foamed sponge; the size can be compressed before transportation, and transportation is convenient.

The utility model discloses a printing and dyeing cloth heat-setting machine, which relates to the technical field of printing and dyeing processing equipment, and comprises a heat-setting machine main body, a first support frame arranged on the left side of the heat-setting machine main body, a cloth releasing roller arranged on the surface of the first support frame, a cloth main body wound on the surface of the cloth releasing roller, and a second support frame arranged on the right side of the heat-setting machine main body, the first guide roller, the second guide roller and the cloth main body pass through the cloth inlet, the inner top surface of the heat setting machine main body is fixedly connected with a fixed block, the lower surface of the fixed block is provided with a sliding groove, and the surface of the tension adjusting roller abuts against the cloth main body. The device is simple in structure and convenient to operate, force applied to a cloth body can be rapidly adjusted, the cloth body cannot be wrinkled or deformed, it is guaranteed that the size and shape of printed and dyed cloth are kept stable, operation is easy and convenient, and the purpose of better heat setting of the cloth body is achieved.

The invention relates to a preparation method of a one-dimensional nanoreactor, which is characterized by comprising the following steps: mixing a metal source, a carbon-nitrogen source, a supplementary carbon source, an alkaline metal salt and a heteroatom source in a dispersing agent to obtain mixed liquid slurry; drying the mixed liquid slurry to obtain a precursor; sintering the precursor to obtain a one-dimensional nano reactor; the molar ratio of the metal source to the carbon and nitrogen source to the supplementary carbon source to the alkaline metal salt to the heteroatom source is (0.1-99): (5-30): (0-15): (0-10): (0-20). According to the method, firstly, the materials are effectively dispersed in the dispersing agent, secondly, a proper drying method is matched, and the proportion of the raw materials in the precursor is kept unchanged under the condition that solid-liquid chromatography of the materials is avoided, so that one-dimensional tubular forming and uniform distribution of catalyst particles in the tube are effectively facilitated. Therefore, through mutual cooperation of the steps in the preparation method, especially material proportion regulation and control, the generation and property stability of the one-dimensional nanoreactor is improved.

The invention discloses a method for synthesizing an interfacial catalyst containing controllable amount of CeO2 / Co3O4 through turbid liquid electrostatic spinning. The preparation method is characterized by comprising the following steps: adding sodium acetate and cobalt nitrate into an aqueous solution containing silicon dioxide, carrying out ultrasonic treatment, stirring, hydrothermal treatment and centrifugal drying to prepare spinel type Co-SiO2, then adding a mixed solution containing cerium nitrate, N-N-dimethylformamide and polyvinylpyrrolidone, spinning under the voltage of 27kV and at the liquid inlet speed of 0.5 mL / hde to obtain fibers, and finally calcining to obtain the catalyst. Results show that a series of catalysts containing different CeO2 / Co3O4 interfaces can be prepared by adjusting the content of cerous nitrate in a polymer solution; the CeO2 / Co3O4 interface affects the oxidation-reduction performance of the catalyst and the release ability of surface active oxygen species. According to the method, the number of interfaces in the catalyst is changed through the addition amount of cerium nitrate which is easy to regulate and control, the result is controllable, and the catalyst has better water resistance and stability.