276 results about "Nonmetal" patented technology

The invention discloses a vacuum cup with a metal shell and an inner container directly compounded and a preparation method. The vacuum cup comprises a metal shell, an inorganic non-metal inner container and a transition layer located at openings of the metal shell and the inorganic non-metal inner container. The transition layer is at least one of a metal transition layer, a metal solder transition layer or a glass solder transition layer, the thermal expansion coefficient of the transition layer is between the thermal expansion coefficient of the metal shell and the thermal expansion coefficient of the inner container, and the thermal expansion coefficient meets the metal shell gt; a transition layer gt; an inorganic nonmetal liner; when the transition layer is a metal transition layer, the relative difference K between the transition layer and the thermal expansion coefficient of the metal shell is less than 60%; when the transition layer is a metal solder or glass solder transition layer, K is less than 20%; the total thickness of the transition layer is smaller than 1 mm. By reasonably controlling the material and thermal expansion coefficient of the transition layer, a middle structure with a deformation inhibition function is formed, thermal expansion deformation of the metal shell is relieved, the welding stress is reduced, the cracking risk is reduced, and reliable and direct compounding of the metal shell and the inorganic nonmetal inner container is achieved.

The invention relates to the technical field of environmental governance, and particularly discloses a bismuth ferrite-based photo-Fenton catalyst and application thereof. The bismuth ferrite-based photo-Fenton catalyst comprises a bismuth ferrite matrix or a catalyst, the bismuth ferrite matrix comprises Fe (NO) 9HO and Bi (NO) 5HO in a molar ratio of 1: 1-1: 1.1, the catalyst is one of metal-doped bismuth ferrite, non-metal-doped bismuth ferrite or a bismuth ferrite composite material, and the loading amount of metal in the metal-doped bismuth ferrite is 0.5-5 wt%. Fe (NO) 9HO and Bi (NO) 5HO are adopted as precursors, the stoichiometric ratio of a bismuth ferrite matrix can be regulated and controlled, generation of impurity phases is inhibited, and it is ensured that the matrix has a complete perovskite structure and a good photoresponse characteristic; meanwhile, modification means such as metal doping, non-metal doping or composite carrier loading are adopted.

The invention discloses a cleaning composition as well as a preparation method and application thereof, and relates to the technical field of cleaning fluid. The invention relates to a low-k passivating agent which comprises the following components in percentage by mass: 10%-35% of an alkaline compound, 1%-40% of fluoride, 0.01%-10% of a cyclophosphazene compound, 0.01%-10.00% of a low-k passivating agent, 20%-80% of an organic solvent, 0.0001%-10.00% of a surfactant and the balance of water. By compounding the alkaline compound, the fluoride, the cyclophosphazene compound, the low-k passivator, the organic solvent, the surfactant and the water, various residues generated in the back-end process of semiconductor manufacturing can be effectively removed, and meanwhile, the contacted metal and non-metal materials cannot be obviously corroded. The etching rate on metal materials such as copper, tungsten and tantalum nitride and non-metal materials such as low-dielectric-constant insulating materials (BD) is low, and the operation window is large.

The invention relates to a heat preservation container and a manufacturing method thereof.The heat preservation container comprises a non-metal container body, a metal sealing component and a first connecting solder layer, the non-metal container body comprises a shell and an inner container, the top ends of the shell and the inner container are fixedly connected in a sealed mode, and a vacuumizing opening is formed in the end face of the bottom end of the shell; the metal sealing component is of a hollow structure with one end open and the other end closed in the circumferential direction, and the open end of the metal sealing component is an annular embedding end which is matched with the vacuumizing opening in shape and can be inserted into the vacuumizing opening in a clearance fit mode. The first connecting solder layer is arranged between the outer wall of the annular embedded end and the inner wall of the vacuumizing opening, and the non-metal device body and the metal sealing component are connected through the first connecting solder layer. According to the heat preservation container, the shell and the inner container are integrally formed and manufactured through the non-metal materials which are not prone to being corroded by acidic substances, the problems that the metal materials are prone to being corroded by the acidic substances and the surface layers are prone to being scratched in the cleaning process are solved, and the heat preservation container can store the acidic substances while improving the heat preservation and cold preservation effects.

The utility model discloses a Faraday cup of an ion receiver of a thermal ionization mass spectrometer, which comprises a non-metal receiving support, a non-metal receiving electrode and a pair of external fixing metal plates, the non-metal receiving support is concaved inwards to form a notch communicated with the outside, the non-metal receiving electrode is arranged in the notch, and the external fixing metal plates are fixed on the non-metal receiving support. The pair of external fixing metal plates are oppositely fixed on the two side surfaces of the non-metal receiving bracket, and the external fixing metal plates and the non-metal receiving bracket are encircled to enable the notch to only have a state that the top is communicated with the outside, so that the whole Faraday cup retains the rigidity of metal, the outside is not easy to deform, and the service life of the Faraday cup is prolonged. The non-metallic material is adopted in the device, so that the device has the characteristic of not rebounding ions, interference on ion measurement can be effectively reduced, and the measurement accuracy is improved.

This invention relates to the field of solid-state battery technology, and particularly to a composite solid-state electrolyte material, its preparation method, and its application. The composite solid-state electrolyte material contains a crystalline phase substance with the general chemical formula: B%A a RE b X 1 c D g +C%A d M e X 2 f D h Where A represents charge carriers; RE represents rare earth elements; M represents metallic elements; X represents... 1 X 2 D is a halide anion; A is an anion doping element or group; a RE b X 1 c D g and A d M e X 2 f D h It is a crystalline phase substance; B% is A a RE b X 1 c D g The mass fraction of the composite solid electrolyte material; C% is A d M e X 2 f D h The mass fraction of the composite solid electrolyte material is defined as follows: 0 ≤ a ≤ 3, 0 < b ≤ 1, 0.5 < c ≤ 12, 0 < d ≤ 5, 0 < e ≤ 2, 1 < f ≤ 20, 0 ≤ g ≤ 4, 0 ≤ h ≤ 5; 85 < B + C < 98, 10% < B% ≤ 85%; 10% < C% ≤ 85%, 0.2 ≤ C / B ≤ 10. The composite solid electrolyte material of this invention includes crystalline and amorphous phase components, giving it high ionic conductivity. The use of moisture-resistant non-metallic halide components instead of traditional halides and oxyhalides in the raw materials also provides it with good air stability.

The application relates to the field of refractory materials, in particular to a surface treatment process for the bottom of an aluminum electrolysis cell, which solves the problem that composite metal objects are difficult to form a dense structure with non-metallic inorganic matters such as Si3N4 and SiC, and that more micropore gaps lead to the penetration of aluminum liquid and electrolyte into the refractory material and the damage of the refractory material, and the surface treatment process comprises the following steps: preparing a boric acid refractory brick, roughening the surface of a refractory bearing material, coating a permeable material on the outside of the refractory bearing material, the thickness of the permeable material being 1-10 mm, heat treatment at 1300-1420 DEG C for 5-12 h, removal of the excess permeable material to obtain a refractory material precursor, placing a barrier material on the surface of the refractory material precursor, forming a barrier layer through cold isostatic pressing, heat treatment, formation of a high-density impedance layer on the surface of the refractory material precursor, and completion of the surface treatment. The application can realize the combination of dense inorganic non-metal and metal, and improve the corrosion resistance of the refractory material.

This invention provides a method for preparing two-dimensional TMDs alloys using non-metallic chalcogenides. It is a modified CVD method in which a non-metallic chalcogenide containing two chalcogen elements replaces the elemental chalcogenides as the non-metallic growth source. The ratio of the two chalcogen elements in the TMDs alloy can be changed by adjusting the weight ratio of the non-metallic growth source to the metallic growth source. Adding 40 mg of WO3 and 55, 38, 26, and 15 mg of SeS2 respectively yielded WS... 0.96 Se 0.04 WS 0.65 Se 0.35 WS 0.5 Se 0.5 WS 0.27 Se 0.73 Four types of TMD alloy single crystals can be fabricated. Large-size single crystals and large-area thin films of two-dimensional TMD alloys with tunable chemical composition and uniform layer number can be prepared. This provides more options for optoelectronic devices with specific spectral responses, field-effect transistors, and flexible electronic devices.

The invention discloses an oxygen-controlled inversely-proportional alkaline slag system 2.25% Cr-1% Mo-0. 25V steel welding rod for a hydrogenation reactor and a preparation method thereof, and belongs to the technical field of welding materials. The problem that a 2.25% Cr-1% Mo-V steel welding rod is poor in low-temperature toughness is solved. The welding rod is composed of a core wire and a coating on the surface of the core wire. The coating comprises CaF2, CaCO3, iron powder, quartz, 45 # ferrosilicon, electrolytic manganese, metal chromium powder, molybdenum powder, nickel powder, magnesium powder, titanium-boron alloy and sodium carbonate. A CaF2-CaO-SiO2 type inverse-proportion low-hydrogen alkaline slag system is adopted, so that non-metallic inclusions of deposited metal can be reduced, and weld joints are purified; and magnesium powder and MgO which has a deoxidizing effect and reacts with Mg and O are added into the coating, so that the alkalinity of the slag is improved, the inclusions in the slag are further reduced, the purity of the welding seam is improved, and the low-temperature impact toughness of deposited metal is improved. The welding rod is used for hydrogenation reactor welding.

The invention relates to the technical field of high-efficiency refining of molten metal silicon, and discloses a high-efficiency refining process of molten metal silicon under the synergistic effect of multiple fields, which comprises the following steps: S1, placing molten metal silicon in a refining device which can apply a controllable temperature gradient field and an external electric field; s2, by regulating and controlling the size and the direction of the temperature gradient field, metal impurities are directionally migrated to a low-temperature area in the melt under the action of thermal diffusion and are enriched; s3, an external electric field is applied at the same time, and non-metal impurities are directionally migrated to an electrode area and enriched under the electromigration effect by regulating and controlling the type, intensity and frequency of the electric field; s4, performing cooperative control on the temperature gradient field and an external electric field; and S5, carrying out physical isolation or online removal on the enriched impurity region. Compared with the prior art, the device and the method have the advantages that metal and nonmetal impurities are respectively driven to directionally migrate and enrich, so that efficient separation of the impurities and deep purification of the silicon melt are realized.

The present invention relates to an Fe-Ni alloy consisting of C: 0.001 to 0.2 mass%, Si: 0.001 to 0.2 mass%, Mn: 0.005 to 0.7 mass%, Ni: 30.0 to 45.0 mass%, Cr: 0.3 mass% or less, Al: 0.001 to 0.1 mass%, Ti: 0.001 to 0.020 mass%, O: 0.007 mass% or less, Mg: 0.0030 mass% or less, N: 0.010 mass% or less, Ca: 0.0015 mass% or less, Na: 0.00005 to 0.001 mass%, the balance being Fe and unavoidable impurities, wherein non-metallic inclusions containing CaO-SiO2-Al2O3-MgO-MnO-Na2O-based complex oxides as essential components, and further containing one or more non-metallic inclusions of CaO, MgO, MgO·Al2O3, MnO·SiO2, and Na2O as optional components, wherein the number ratio of CaO-SiO2-Al2O3-MgO-MnO-Na2O inclusions is 40% or more in all non-metallic inclusions, thereby producing an Fe-Ni alloy having excellent surface properties.

Disclosed is a preparation method for a heteroatom-doped carbon material, comprising the following steps: (S1) uniformly mixing a phenolic monomer, an aldehyde monomer and a non-metal doping source, then pre-polymerizing same to obtain a liquid phenolic resin oligomer, then adding a metal doping source and uniformly mixing same, and then curing same to obtain a solid precursor; (S2) sequentially subjecting the solid precursor to crushing, pyrolysis and carbonization, and then an activation process for pore forming, to obtain a carbon material having a porous structure; (S3) pulverizing the carbon material having the porous structure, placing same into a reactor and introducing a silicon-containing gas, performing silicon deposition, and then subjecting same to stabilization treatment to obtain a silicon-carbon composite material; and (S4) performing carbon coating on a surface of the silicon-carbon composite material to obtain a product heteroatom-doped carbon material. By doping with non-metal and metal heteroatoms in a specific order, the present invention improves the kinetic properties of lithium ions and electrons, inhibits composite material particle breakdown during charging and discharging, and improves interface stability.

A nickel-based alloy without surface defects and with excellent surface properties, along with a method for its production, is provided. The nickel-based alloy contains, in wt%, 0.001–0.1% C, 0.01–0.4% Si, 0.1–1% Mn, up to 0.03% P, up to 0.002% S, 13–35% Cr, up to 18% Mo, up to 5% W, up to 1% Cu, 0.001–0.35% Al, 0.001–0.2% Ti, 0.0001–0.02% Ca, 0.0001–0.02% Mg, 0.001–0.03% N, 2–11% Fe, up to 0.005% O, and up to 4% of one or more elements from Co, Nb, and B, the remainder being nickel and unavoidable impurities. The average composition of the non-metallic inclusions comprises, in wt%, 30-70% MgO, 15-40% Al2O3, up to 30% SiO2, 10-40% CaO and up to 1% MnO.

The invention relates to the technical field of optical materials, in particular to a boron-containing quantum dot and a preparation method thereof, an optical component and electronic equipment. The boron-containing quantum dot comprises a core layer and a shell layer coating the core layer, at least one of the core layer and the shell layer includes boron and a Group II-VI semiconductor compound. The boron is doped into at least one of the core layer and the shell layer in an interlattice doping manner, and in the core layer and / or the shell layer, the boron is connected with non-metallic elements in the II-VI group semiconductor compound through chemical bonds. The boron-containing quantum dot further comprises an adsorption layer located on the surface of the shell layer, and the adsorption layer comprises boron. The II-VI group semiconductor compound comprises at least one of a II-VI group binary compound, a II-VI group ternary compound and a II-VI group quaternary compound. The thermal stability of the quantum dot material can be improved.

The application discloses a kind of strong toughness oxide solid electrolyte and its preparation method and application, the present application is by inorganic non-metallic material and oxide solid electrolyte according to inorganic non-metallic material 0.5~15% of total mass of inorganic non-metallic material and oxide solid electrolyte with inorganic non-metallic material is mixed, by cold pressing tablet after again through high-temperature solid-phase sintering to obtain strong toughness oxide solid electrolyte.Based on inorganic non-metallic material does not react with oxide solid electrolyte at high temperature, and can be reticular structure in solid electrolyte, and it has high elastic coefficient, high mechanical strength and other excellent performance, can significantly enhance the toughness and mechanical strength of oxide solid electrolyte after modification, simultaneously can also improve the conductivity of solid electrolyte after modification.In addition, the preparation method of the present application also has the advantages of material convenient and easy to obtain, method is simple.

The invention belongs to the field of petroleum mechanical sealing, and discloses a throttle pipe sealing structure and a preparation method thereof.The throttle pipe sealing structure comprises a throttle pipe body and a composite sealing ring arranged on a sealing section of the throttle pipe body in a sleeving mode, and the composite sealing ring is formed by compounding a metal base layer and a non-metal functional layer; the metal substrate layer comprises the following raw materials: 40-55 parts of nickel-based alloy powder, 10-16 parts of chromium powder, 7-13 parts of molybdenum powder, 4-9 parts of tungsten powder, 3-7 parts of tantalum powder, 2-5 parts of vanadium powder, 1-4 parts of niobium powder, 0.5-2 parts of rare earth yttrium powder, 2-4 parts of titanium powder, 1-3 parts of aluminum powder and 0.1-0.5 part of graphene nanosheets; the nonmetal functional layer is prepared from the following raw materials: 45 to 65 parts of polytetrafluoroethylene resin, 12 to 22 parts of graphite powder, 6 to 12 parts of carbon fiber, 5 to 12 parts of boron nitride nanosheet, 3 to 8 parts of polyether-ether-ketone micro powder, 2 to 5 parts of molybdenum sulfide and 4 to 8 parts of nano silicon dioxide coated mica powder; the material ratio of the composite sealing ring and the structure of the sealing groove are optimized, so that the sealing performance, the temperature-resistant and pressure-resistant performance and the flexibility are synergistically improved.

The invention discloses a high-shading low-contrast reddish brown colored drawing porcelain glaze and a preparation method thereof, and belongs to the technical field of inorganic non-metallic materials. The porcelain glaze is prepared from the following components in percentage by mass: 18 to 25 percent of quartz, 25 to 40 percent of feldspar, 4 to 6 percent of calcite, 10 to 20 percent of kaolin, 8 to 12 percent of iron-rich clay, 0.3 to 0.8 percent of sodium carboxymethyl cellulose and 0.1 to 0.3 percent of sodium tripolyphosphate. The preparation method comprises the following steps: carrying out wet ball milling on a glaze raw material to prepare glaze slip, and controlling the specific gravity to be 1.40-1.50 g / cm < 3 >; applying to a glaze blank to form a glaze layer with the thickness of 0.2-0.5 mm; and sintering by keeping the temperature of 1150-1190 DEG C in an oxidizing atmosphere for 40-60 minutes. Through specific component design and application of the non-presintered iron-rich clay, in combination with optimized glaze slip performance and firing system, directional diffusion of iron ions and precipitation of alphaFe2O3 microcrystals are effectively promoted, and a reddish brown colored drawing effect with natural color transition, strong rendering feeling and low contrast is obtained; the technical problem that traditional reddish brown colored drawing is fuzzy in boundary and uncontrollable in shading is solved, and the product is high in artistic expressive force and good in process repeatability.

The invention relates to an evaluation method and system for a non-metallic material irradiation damage effect. The evaluation method comprises the following steps: constructing a geometric model according to material attributes of the non-metallic material, wherein the material attributes comprise chemical bonds; performing a simulation irradiation test on the geometric model by using a preset irradiation simulation environment and a preset irradiation physical model; calculating the bond breaking probability of the chemical bond according to the energy deposition information in the simulated irradiation test process; and obtaining the damage index of the non-metallic material according to the bond breaking probability. The evaluation efficiency and accuracy of the irradiation damage effect of the non-metallic material in the complex irradiation environment can be improved.

1. The name of the design product: Capacitive sensor (CE06X). 2. The use of the design product: Capacitive sensor for detecting metal, non-metal, liquid and other media. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

An apparatus for destroying electronic data and enabling selective material recovery is provided. A first stage shreds electronic waste into particles no greater than 20 mm by 20 mm. A second stage separates metal from non-metal using a belt-driven magnetic separator in which a continuous belt carries the particles across a magnet assembly; metal is removed to a first bin. A third stage shears the remaining non-metal to particles no greater than 2 mm by 2 mm, which pass a screen into a second bin. In certain embodiments, a vibratory feed ramp meters flow to the belt separator, and dust collection may be provided by a vacuum system and, optionally, a cyclone separator coupled by gasketed clamps.

The application discloses a two-dimensional material growth method based on countercurrent non-metal source supply, and belongs to the technical field of two-dimensional materials. In the preparation, a non-metal source is placed in a single-port quartz test tube and arranged downstream of a tube furnace by using countercurrent supply of a chemical vapor deposition system. After the non-metal source is gasified at high temperature, the non-metal source is diffused to the surface of a substrate by using a concentration gradient, and the flow rate of a carrier gas can be regulated to regulate the non-metal source gas phase concentration on the surface of the substrate. Compared with a conventional chemical vapor deposition method, the method solves the problems of surface "deactivation" of a metal source and substrate pollution caused by diffusion of the non-metal source to the metal source and the substrate before the growth process. The preparation method provided by the application has strong controllability, the morphology, domain size and optical quality of the obtained two-dimensional transition metal chalcogenide are uniform, and the two-dimensional transition metal chalcogenide has excellent optical and electrical properties and wide application prospect.

The invention belongs to the technical field of materials and electrochemistry, and particularly relates to a preparation method based on a nonmetal monatomic catalyst, which comprises the following steps: S1, preparing an electrostatic spinning precursor solution by adopting a solvent method; and S2, preparing a conductive carbon nanofiber skeleton by adopting an electrostatic spinning process: carrying out electrostatic spinning on the electrospinning precursor solution in the step S1 at normal temperature, and carrying out pre-oxidation and high-temperature carbonization to obtain the carbon nanofiber loaded non-metal iodine monatomic. The carbon nanofibers in the material have excellent conductivity and a continuous three-dimensional network structure, and an efficient channel is provided for uniform loading of sulfur and rapid conduction of electrons. And meanwhile, the rich pore structure can effectively accommodate molten and infiltrated sulfur, and the diffusion of polysulfide in the electrolyte is inhibited by utilizing a physical confinement effect, so that the shuttle effect is relieved fundamentally, and the integrity in long-cycle operation is ensured. The iodine monatomic active sites enhance the chemical adsorption capacity to polysulfide, so that the capacity fading caused by migration of the iodine monatomic active sites is avoided.

The invention relates to the technical field of explosion-proof equipment, in particular to a non-metal barrier explosion-proof small ball, which adopts supporting end components positioned on the same plane as end parts, and is provided with staggered arch-shaped sheets and arc-shaped connecting sheets to form a longitude line and an axis line of the non-metal barrier explosion-proof small ball, so that the non-metal barrier explosion-proof small ball is formed; according to the non-metal barrier anti-explosion small balls, the non-metal barrier anti-explosion small balls are arranged in the non-metal barrier anti-explosion small balls, so that the whole non-metal barrier anti-explosion small balls have good integrity, and meanwhile, the non-metal barrier anti-explosion small balls are driven to collide with some dangerous liquid, volatile liquid or fuel, the surge phenomenon occurs, and the stability of the liquid in a container is reduced; compared with the prior art, the non-metal barrier explosion-proof ball has the advantages that the problem that metal materials are easy to oxidize and age is solved, scraps are not generated, the service life of the non-metal barrier explosion-proof ball is prolonged, in addition, the toughness of the non-metal barrier explosion-proof ball is also improved by adding the toughening agent, the mechanical property is improved, and the service life of the non-metal barrier explosion-proof ball is prolonged.

The application belongs to the technical field of material preparation, and particularly relates to a light-heat material with an antireflection coating and a preparation method thereof. Micron or nanometer magnetic particles are used as the core, and inorganic materials with antireflection function are used as the functional coating to coat the surface of the magnetic particles; wherein the functional coating is metal oxide or non-metal oxide with light reflection inhibiting function. The method is simple in operation, mild in reaction condition, and the prepared material has an antireflection coating, which can reduce the energy loss in the form of diffuse reflection on the surface of the material in the light-heat conversion process, and shows high energy conversion efficiency. In addition, the coating material is stable in chemical property, so that the prepared composite particles have certain oxidation resistance, and can be widely applied in the fields of paint and water treatment chemical industry.

The purpose is to provide an aqueous composition or the like for treating the surface of an aluminum-containing metal so that a material other than a metal can satisfactorily adhere to the surface of the metal. The present disclosure relates to an aqueous composition for treating the surface of an aluminum-containing metal, the aqueous composition containing 0.01-15.00 mass% of hydrogen peroxide, 0.10-15.00 mass% of fluoride ions, 0.10-30.00 mass% of phosphoric acid, and 0.10-15.00 mass% of chloride ions with respect to the total amount of the aqueous composition.

The disclosed invention comprises one or more hybrid metal-composite pressure vessels e.g., 1 (FIG. 1) or 100,200 (FIG. 2), designed for deep water application of radiation sensitive equipment, where the hybrid pressure vessels comprise a combination of metals and non-metals. A source of radiation may be disposed in one of the two hybrid metal-composite pressure vessels and a radiation detector disposes in the other hybrid metal-composite pressure vessel. A radiation beam is less attenuated as it passes through the non-metal parts of the hybrid pressure vessels and the intensity of the radiation reaching a radiation detector is higher than if it were to pass through the metal parts of the housings.

The invention relates to methods for cutting non-metal materials, particularly brittle heat-resistant materials. Enhanced cutting quality is achieved by forming a notch inside a sample of non-metal material using focused laser radiation, then heating the surface of the billet with laser radiation, to which the material is non-transparent, while the laser beam and the material sample are moved relative to one another. The notch is made in the form of at least two local stress raisers situated along the cutting line at a depth h and at a distance l from one another. Heating is then carried out from the direction of the surface of the sample of non-metal material by scanning with a laser beam.

The utility model provides crushing and vibration impurity removal equipment for particles in pyrolytic carbon black, which belongs to the technical field of thermal cracking treatment and comprises a crusher, a vibration impurity removal sieve and an iron remover. The crusher comprises: a housing having a crusher feed port and a crusher discharge port; the two grinding rollers are oppositely arranged in the shell, one side of a gap formed between the two grinding rollers corresponds to a feed port of the crusher, and the other side of the gap corresponds to a discharge port of the crusher; the driving device drives the two grinding rollers to rotate in opposite directions; the vibration impurity removal sieve is obliquely arranged downwards from the feeding end to the discharging end, the feeding end is connected with a discharging port of the crusher, and the discharging end is provided with a non-metal impurity discharging port and a carbon black discharging port after vibration impurity removal. The utility model solves the technical problem that carbon black particles generated by pyrolysis need to be crushed before being ground, and has the characteristics that the large-particle carbon black can be crushed into smaller particles, so that the particles are more easily dispersed in a medium, and the uniformity and the stability of the carbon black are improved.

This invention proposes a Bi4V2O 11 This invention relates to Bi4V2O heterostructure composite materials and their in-situ preparation method, belonging to the technical field of inorganic non-metallic materials. 11 The preparation of the / BiVO4 heterostructure composite material includes the following steps: Bi4V2O 11 The material was annealed in an oxygen-containing atmosphere to obtain Bi4V2O. 11 / BiVO4 heterostructure composite material. This invention utilizes the bismuth-rich compound Bi4V2O 11 A method for the volatilization of Bi in an oxygen-rich environment to construct Bi4V2O 11 / BiVO4 heterostructure. The prepared Bi4V2O 11 The / BiVO4 heterostructure photocatalyst exhibits excellent activity in photocatalytic degradation of organic pollutants and photocatalytic production of hydrogen peroxide; the preparation process is simple and applicable to various situations such as powders and thin films with different morphologies; the present invention combines process simplicity, wide applicability and superior performance, and has important application value in the fields of photocatalysis and functional electronic devices.