46results about How to "Stable physical structure" patented technology

The invention discloses a preparation method of baking-free high-strength fly ash ceramsite. The preparation method comprises four stages of preparation of a mixed alkaline excitant, uniform mixing ofthe excitant and raw materials, balling by a balling disc, and maintenance and molding, wherein the mixed alkaline excitant is prepared by mixing and crushing dried desulfurized gypsum, fly ash and quick lime according to a certain ratio. The baking-free high-strength fly ash ceramsite has the advantages of low construction cost, convenience in preparation, simple process, light weight, high strength and the like, and can replace part of sandstone to prepare lightweight aggregate concrete and produce prefabricated parts; the fly ash is used as a main raw material, cement, quicklime and desulfurizing gypsum are a mixed alkaline activator and a curing agent, and sodium silicate is a binder; the comprehensive utilization approach of industrial solid waste fly ash and industrial by-product gypsum is expanded while unfired high-strength fly ash ceramsite is prepared, and the concept of the green circular economy and the sustainable development of a building material is enhanced.

The invention relates to an eggshell supported nano-iron material for removing phosphate in water and a preparing method thereof, and belongs to the technical field of repairing water body pollution materials. The eggshell supported nano-iron material is formed by eggshell powder and nano-iron supported in inner pores and on the surface of the eggshell powder, the average particle size of the eggshell powder is 100-200 mesh, and the particle size of the nano-iron is 7-100 nm. The material can prevent the nano-iron from oxidizing better and improve the oxidation resistance, and the material can be used on a large scale after being dried, is high in reaction speed, good in dephosphorization effect, high in efficiency and easy to recover and treat, allows magnetic separation and achieves reuse of waste.

The invention relates to a nickel nanofiber membrane for membrane catalysis. The nickel nanofiber membrane is composed of a thermoplastic polymer nanofiber membrane and a nickel nano membrane deposited on the thermoplastic polymer nanofiber surface and comprises components in mass of 14%-75% of the thermoplastic polymer nanofiber membrane and 25%-86% of the nickel nano membrane. A preparation process adopts the method that thermoplastic polymers and cellulose acetate butyrate are subjected to blending melt spinning in proportion, thermoplastic polymer nanofibers are prepared through solvent extraction and dispersed and coated to the surface of a smooth substrate, and the thermoplastic polymer nanofiber membrane is taken down after drying. The nanofiber membrane is placed into a nickel bath with a certain formula for chemical nickel-plating after allergy and activating treatment and dried after taken out to obtain the nickel nanofiber membrane for membrane catalysis. The process is simple, the cost is low, and large scale preparation is easy to implement. The nickel nanofiber membrane for membrane catalysis has the characteristics that the porosity is high, the pore diameter is controllable, the flux is large, the catalytic activity is high, and separation is easy.

The invention discloses a rare earth molten salt electrolytic cell with a novel electrode structure. The bottoms of anodes are in the shape of inverted V or single slope; a group of cathodes is correspondingly arranged below each group of anodes; the cathodes are embedded into a raised high-temperature anti-corrosion material; the tops of the cathodes are of triangular prisms, and are protruded to the outside of the high-temperature anti-corrosion material; a metal groove formed by sinking the high-temperature anti-corrosion material is arranged between every two cathodes; cathode steel rods are positioned on the bottoms of the cathodes, and are connected to the cathodes; and an unloader is arranged on the top of an electrolytic cell body. According to the rare earth molten salt electrolytic cell disclosed by the invention, the shapes of the anodes are beneficial for anode bubble discharge; the high-temperature zone of the electrolytic cell is moved upwards as a result of the designs of the cathodes and the metal grooves; the secondary reaction of rare earth metal is restrained; and the current efficiency is improved.

The invention discloses multistage drying equipment for traditional Chinese medicine processing and relates to the technical field of medicine processing. The multistage drying equipment comprises a main body shell. The top of the inner wall of the main body shell is fixedly connected with a fixed support; the bottom of the right side of the fixed support is fixedly connected with an electric heating pipe, and the position, located on the right side of the fixed support, of the top of the inner wall of the main body shell is fixedly connected with an electrified support; the bottom of the electrified support is fixedly connected with the surface of the right end of the electric heating pipe; and the left side of the bottom of the fixed support is rotatably connected with a clamp through arotating shaft, the top of the clamp is fixedly connected with a buckle, and the inner wall of the clamp is movably connected with a first rotating rod. According to the multistage drying equipment for traditional Chinese medicine processing, a motor achieves autonomous turning-over of traditional Chinese medicines through the gravity, the uniform thermal drying purpose is achieved through cooperation of the electric heating pipe, no redundant mixing structure is arranged inside a drying bin, the stable physical structure of the traditional Chinese medicines is protected while drying is conducted, and thus the medicinal property of the traditional Chinese medicines is not damaged.

The invention provides ultra-thin run-resistant underwear produced by adopting a cylinder loom and a production process of the ultra-thin run-resistant underwear. The production process comprises the following steps: (1) wrapping by taking spandex as inner-wrapped silk and taking polyamide as outer-wrapped silk to obtain a wrapped yarn; (2) weaving: weaving the wrapped yarn by adopting the cylinder loom comprising a stocking machine to obtain a stocking blank; (3) sewing: cutting and sewing the socking blank to obtain stockings, so as to facilitate subsequent dyeing and sizing; (4) dyeing: bagging and dyeing the stockings to obtain colorful stockings; (5) sizing: sizing the colorful stockings by adopting an underwear sizing plate and endowing the colorful stockings with run-resist functions; (6) cutting: cutting the sized stockings according to a sample plate and cutting each of the stockings into two sleeveless underwear bodies; (7) sewing. In addition, the invention further provides the underwear produced by the production process. On the premise of not increasing the novel equipment investment, an ordinary cylinder loom (comprising the stocking machine) is directly adopted for producing the underwear, so that high quality and inexpensiveness are realized.

The invention belongs to the field of composite materials, and discloses a preparation method of a composite oxygen carrier with a compact structure, and a product thereof. The preparation method comprises the following steps: (a) selecting one or more kinds of solid powder as a raw material, pre-calcining the raw material, and then grinding the pre-calcined raw material to obtain active powder; (b) adding a binder into the active powder, carrying out uniform mixing under stirring to obtain uniformly-mixed powder, performing ball milling, adding a solvent into the ball-milled powder, and carrying out uniform mixing under stirring to obtain slurry; and (c) adding the slurry as a raw material into an extruder, performing spheroidizing to obtain spherical particles, drying the spherical particles, and calcining the spherical particles at a high temperature to obtain the desired composite oxygen carrier. According to the method, ore waste powder, industrial waste and solid powder which cannot be directly used as the oxygen carrier or has poor effect when individually used as the oxygen carrier are used as the raw materials; the method is simple and convenient; cost is low; and the prepared oxygen carrier is high in strength and high in reaction activity.

The invention discloses a fixing and leveling device and method for repairing turbine blades through SLM. The device comprises a blade clamping mechanism, a first angle adjusting mechanism and a second angle adjusting mechanism. The device has two mutually orthogonal rotational degrees of freedom, and can clamp the turbine blades and adjust the posture of the turbine blades in two mutually orthogonal directions. According to the device, the large rotation amount is converted into the small rotation amount through a transmission structure, and fine angle adjustment can be achieved; and moreover, scale marks are arranged, so that quantitative angle adjustment can be realized. The device is simple in structure, easy and convenient to operate and disassemble, and capable of conveniently and rapidly achieving clamping and posture adjustment of the turbine blades.

The invention relates to a preparation method of a semiconductor composite material based on chemical vapor deposition. In a chemical vapor deposition reaction chamber, a semiconductor material is deposited on a substrate by a chemical vapor deposition method using a semiconductor synthetic raw material to obtain a target product with a coupling interface between the semiconductor material and thesubstrate. Compared with the prior art, the metal semiconductor composite material with the specific coupling interface is prepared by chemical vapor deposition, and the material has excellent conductivity and surface structure properties of a substrate metal material, and the electrocatalytic performance of the material is further improved due to the special coupling interface.

The invention relates to a zeolite-loaded nano-iron material and a preparation method thereof. It is composed of zeolite and nano-iron loaded on the pores and surfaces of zeolite particles. The average particle size of the zeolite is 80-100 mesh, and the loading amount of nano-iron is 1 wt%. ~1.3wt%, the particle size is 50~200nm. It is made by soaking and rinsing zeolite particles with HCl solution, 3 Shake the reaction in the solution until the zeolite is saturated to adsorb Fe 3+ , rinsed with deionized water and then added NaBH 4 The solution shakes and reacts, removes the supernatant, freezes and dries to obtain the finished product. The zeolite-loaded nano-iron prepared by the present invention has strong adsorption capacity and reduction ability for pollutants. Tests have shown that the zeolite-loaded nano-iron material of the present invention can realize various heavy metal ions such as Pb in water bodies. 2+ 、Cd 2+ and Cr 6+ The removal rate can reach more than 99%. It has the advantages of high removal rate and fast reaction rate. The preparation process is simple and controllable, and the cost is low. It provides a better technical approach for solving heavy metal pollution in water.

The invention belongs to the technical field of powder metallurgy, and particularly relates to a high-wear-resistance powder metallurgy material and a preparation method thereof. The product developed by the invention comprises aluminum nitride, silicon nitride, silicon carbide and graphene. The aluminum nitride, the silicon nitride and the silicon carbide are dispersed among graphene layers. Adjacent lamellar structures in the graphene molecular structure are bridged through silicon carbide. The preparation method comprises the following steps of: dispersing graphene oxide in absolute ethyl alcohol, adding organic silicon, organic aluminum and fatty acid, carrying out heating reflux reaction, filtering, washing and drying to obtain a precursor; and putting the precursor in a nitrogen atmosphere, slowly heating to 1600-1800 DEG C, carrying out heat preservation for reaction for 6-8 hours, cooling, and discharging to obtain the product. The product obtained by the invention has excellent wear resistance.

The invention relates to a three-dimensional stereoscopic textile fabric with antibacterial, moth-proof and aromatic functions and an application thereof. The three-dimensional stereoscopic textile fabric comprises an upper surface layer fabric, a middle support fiber layer and a lower surface layer fabric which are successively arranged from top to bottom. The three-dimensional stereoscopic textile fabric can be applied to a filling material for automotive interior ceilings and seats. The three-dimensional stereoscopic textile fabric has stable physical structure, has a surface insusceptibleto wrinkling, delaminating and hanging without an influence on automotive interior appearance, is free of volatile odor, is durable and non-weathering, does not cause harm to the environment, has excellent antibacterial ability and long-lasting aroma at the same time, and can enable the interior environment of an automotive to achieve excellent effects.

The invention relates to a hyperbranched polysiloxane multilayer film and a preparation method thereof. The following process steps are adopted: 1) After reacting hyperbranched polysiloxane, solvent, 107 glue and catalyst at 60-80°C for 12 hours, Form a casting film feed solution, and apply the gained casting film solution on the polyvinylidene fluoride porous base film to obtain a hyperbranched polysiloxane film; 2) vinyltriethoxysilane, solvent, 107 glue, and catalyst After reacting at 60-80° C. for 6 hours, a casting film material solution is formed, which is coated on the above-mentioned hyperbranched polysiloxane film to obtain a hyperbranched polysiloxane multilayer composite film. The hyperbranched polysiloxane multilayer composite membrane prepared by the present invention has a three-layer membrane structure, the bottom layer is a polyvinylidene fluoride ultrafiltration membrane supported by non-woven fabric, the middle layer is a hyperbranched polysiloxane membrane, and the top layer is separated The layer is an extremely thin polysiloxane film. The hyperbranched polysiloxane multilayer composite membrane prepared by the invention has a gradient distribution of porosity from top to bottom, which greatly improves the performance of pervaporation separation of butanol in water.

The invention discloses a printable environment-friendly credential card body. The printable environment-friendly credential card body is characterized in that the printable environment-friendly credential card body is of a symmetrical composite layer structure, is formed in a hot-pressing way, and sequentially comprises a PET (polyethylene terephthalate) film heat transfer printing processing layer, a PET protective support layer, a PET esterification reaction layer, a PETG (polyethylene terephthalate glycol) connecting layer, a PETG printing layer, a PETG core material layer, a PETG printing layer, a PETG connecting layer, a PET esterification reaction layer, a PET protective support layer and a PET film heat transfer printing processing layer from top to bottom. The printable environment-friendly credential card body is reasonable in structure, easy to operate, environment-friendly, attractive in appearance and high in anti-counterfeiting performance, and credentials can be made and printed on the spot; the card body is high in firmness, high in physical and chemical stability and image accuracy and detail expression, and has good personalized printing effects; after the credentials are synthesized, the credentials have high wear resistance and durability, technical indexes of peeling, torsion, bending and the like completely meet legal credential making standards and requirements, and the potential safety hazard that personal information on the credentials is falsified and replaced is completely eradicated; and the card body has an actually adhesive-free card body structure, and is high in finished product ratio and environment-friendly.

The invention relates to a production process for producing a run-resistant anti-snagging underwear by adopting a cylinder loom. The production process comprises the following steps of covering yarns;weaving; sewing; dyeing; shaping; clipping and stitching. According to the production process provided by the invention, without increasing the input of novel equipment, the underwear is produced bydirectly adopting a common cylinder loom; and in accordance with the principle of attractiveness in price and quality, the breathable and warm underwear capable of being worn for all seasons, coveringthe body wrinkles and spots, and tightening skin can be manufactured. Secondly, the underwear gives the body light shape and balances the body curve. Again, the underwear has anti-snagging and run-resistant functions, the service life of the underwear is prolonged, and the cost performance of the underwear is further improved.

The invention relates to a preparation method of a metal-layered double hydroxide composite electrode material. The preparation method comprises the following steps: putting a metal substrate into a hydrothermal reaction kettle, adding nitrates of two metals and urea, and carrying out hydrothermal reaction to obtain a target product. Compared with the prior art, a self-supporting electrode with the interface layer-enhanced alloy / double hydroxide nanosheet array is prepared by utilizing a hydrothermal method in the invention, the material has the excellent conductivity of a substrate metal material and the multifunction of a surface vertical nanosheet array structure, and meanwhile, the special interface layer of the material generates an enhancing effect, so that the starting overpotentialrequired by the reaction is greatly reduced, and the oxygen generation electro-catalytic performance of a composite-structure material is greatly improved.

The invention provides ultra-thin run-resistant underwear produced by adopting a cylinder loom and a production process of the ultra-thin run-resistant underwear. The production process comprises the following steps: (1) wrapping by taking spandex as inner-wrapped silk and taking polyamide as outer-wrapped silk to obtain a wrapped yarn; (2) weaving: weaving the wrapped yarn by adopting the cylinder loom comprising a stocking machine to obtain a stocking blank; (3) sewing: cutting and sewing the socking blank to obtain stockings, so as to facilitate subsequent dyeing and sizing; (4) dyeing: bagging and dyeing the stockings to obtain colorful stockings; (5) sizing: sizing the colorful stockings by adopting an underwear sizing plate and endowing the colorful stockings with run-resist functions; (6) cutting: cutting the sized stockings according to a sample plate and cutting each of the stockings into two sleeveless underwear bodies; (7) sewing. In addition, the invention further provides the underwear produced by the production process. On the premise of not increasing the novel equipment investment, an ordinary cylinder loom (comprising the stocking machine) is directly adopted for producing the underwear, so that high quality and inexpensiveness are realized.

The invention discloses a preparation method of a zinc oxide gas desulfurizing agent. The preparation method comprises the following steps of: weaving fiber filaments into a three-dimensional full-five-direction woven part with beamed yarns by adopting a four-step three-dimensional weaving technology; mixing a Zn(NO3)2.6H2O solution with the concentration of 0.10-0.25 mol / L and an NH3.H2O solutionwith the volume fraction of 25% according to any proportion to obtain a hydrothermal solution; putting the obtained three-dimensional full-five-direction woven part into the hydrothermal solution, and carrying out hydrothermal reaction in a room-temperature environment to generate a zinc oxide nano structure; and carrying out high-temperature roasting treatment on the generated zinc oxide nanostructure to obtain the zinc oxide gas desulfurizing agent. The process route of the desulfurization material is simple and easy to implement, and can meet the performance requirements of desulfurizationagent industrialization; and the desulfurizing agent adopts a fiber material with high flexibility and rich porosity as a carrier to construct a multistage micro-pore structure of the desulfurizing agent, so that the adsorption capacity and desulfurization reaction activity of the desulfurizing agent can be improved.

The invention discloses an antibacterial biological isolation mask fabric capable of being disinfected and washed and repetitively used, and a preparation method thereof. A mask body is included; themask body is composed of an inner layer, a middle layer and an outer layer; the inner layer is made of an ultrafine fibre PP stretch yarn textured 75D yarn material; the middle layer is made of a nanometre bamboo charcoal 50 D yarn material; the outer layer is made of a silver iron antibacterial yarn 50 D yarn material; and three types of yarns form a multi-layer composite fabric through interlacing of longitude and latitude. According to the antibacterial biological isolation mask fabric capable of being disinfected and washed and repetitively used, and the preparation method thereof in the invention, the problem that the filter efficiency of a disposable protective mask is decreased and directly loses efficiency after being worn for 4 hours can be thoroughly solved; the antibacterial biological isolation mask in the invention is steady in physical structure, constant in density, and long-acting and steady in filter effect, and can be repetitively washed by water, washed by a machine,and directly disinfected by alcohol; expenditure on epidemic prevention consumption during a pandemic can be reduced immediately; the social cost can be reduced; the economic benefit can be increased; and the enterprise and individual expenditure burden can be reduced.

The invention discloses a titanium dioxide / ruthenium monatomic noble metal nano catalytic material for degrading pollutants and a preparation method thereof. The preparation method comprises the steps that RuPc, 2-methylimidazole and zinc nitrate serve as precursors to prepare a ruthenium monatomic metal material, then the ruthenium monatomic metal material is subjected to in-situ compounding with titanium dioxide through solvent heat treatment, and finally, the titanium dioxide / ruthenium monatomic noble metal nano catalytic material is prepared and shows excellent photocatalytic degradation performance.

The present invention belongs to the sensor field and discloses a micro-electro-mechanical system-based photonic crystal nano-fluid sensor. The micro-electro-mechanical system-based photonic crystal nano-fluid sensor includes a photoresist layer, a silicon wafer substrate, a first refractive index material film layer, a second refractive index material film layer and a polymer material sealing layer; the top of the second refractive index material film layer is provided with a square waveform gate structure; the gate structure includes a plurality of through grooves and a plurality of protrusions, wherein the through grooves and the protrusions are arranged alternately; the photoresist layer, the silicon wafer substrate, the first refractive index material film layer and the second refractive index material film layer commonly form a sensor base body layer; and a fluid inlet and a fluid outlet are arranged on the sensor base body layer. The sensor of the invention is a photonic crystal-based nano-fluid sensor. With the sensor adopted, the problems of high quantity of consumed detection objects, long detection time and low test precision of a traditional photonic crystal sensor can be solved, and the problems of functional singleness, instable structure and few channels of a traditional nano-fluid sensor can be solved.

The invention provides a gold interdigital micro electrochemical sensor and a manufacturing method thereof. The gold interdigital micro electrochemical sensor comprises a monocrystalline silicon substrate with a first set thickness, wherein a silicon dioxide layer with a second set thickness is arranged on the monocrystalline silicon substrate; and an interdigital electrode pair is arranged on the surface of the silicon dioxide layer, and the interdigital electrode pair comprises a nano titanium bonding layer of 10-20 nm and a nano gold sensing layer of 50-150 nm from inside to outside. According to the manufacturing method, a manufacturing method of integrated circuit micro-nano machining is adopted, silicon dioxide serves as an insulating substrate, titanium and gold serve as a bonding layer and a sensing layer respectively, and the sensor is prepared through electron beam evaporation and metal stripping processes. The gold interdigital micro electrochemical sensor which is complete in structure and morphology and sensitive in electrochemical property is obtained in batches under the treatment of multi-organic reagent washing and vacuum low-temperature drying process, and the gold interdigital micro electrochemical sensor is more stable in physicochemical property, sensitive in response and resistant to strong acid, strong alkali and a plurality of organic solutions.

The invention discloses a preparation method of a zinc oxide gas desulfurizing agent. The preparation method comprises the following steps of: weaving fiber filaments into a three-dimensional full-five-direction woven part with beamed yarns by adopting a four-step three-dimensional weaving technology; mixing a Zn(NO3)2.6H2O solution with the concentration of 0.10-0.25 mol / L and an NH3.H2O solutionwith the volume fraction of 25% according to any proportion to obtain a hydrothermal solution; putting the obtained three-dimensional full-five-direction woven part into the hydrothermal solution, and carrying out hydrothermal reaction in a room-temperature environment to generate a zinc oxide nano structure; and carrying out high-temperature roasting treatment on the generated zinc oxide nanostructure to obtain the zinc oxide gas desulfurizing agent. The process route of the desulfurization material is simple and easy to implement, and can meet the performance requirements of desulfurizationagent industrialization; and the desulfurizing agent adopts a fiber material with high flexibility and rich porosity as a carrier to construct a multistage micro-pore structure of the desulfurizing agent, so that the adsorption capacity and desulfurization reaction activity of the desulfurizing agent can be improved.

The invention discloses a negative electrode piece of a lithium ion battery, a preparation method of the negative electrode piece and a lithium ion battery. The preparation method of the negative electrode piece of the lithium ion battery comprises the following steps of (1) preparing a graphene oxide solution with the concentration being 1-20mg / mL; (2) preparing a mixed solution of nano silicon particles and a polymer; (3) fixing a current collector on a receiving device by an electrostatic spraying mode, performing electrostatic spraying on the graphene oxide solution obtained in the step (1) and the mixed solution obtained in the step (2) in sequence to respectively obtain a layer of graphene oxide thin film and a layer of silicon-polymer thin film, and defining the two layers to be layers A and B; (4) repeatedly spraying the graphene oxide solution and the mixed solution to finally form a plurality of AB layer structures on the current collector; and (5) carbonizing the current collector covered with the multiple AB layer structures to obtain the negative electrode piece. According to the preparation method disclosed by the invention, the technology is simple and the cost is relatively low; furthermore, the prepared negative electrode piece is relatively high in capacity and can meet application requirements.

The invention discloses a polisher discharge rack with a baffle plate. The rack comprises a discharge rack main body, a light sensor and a fixing frame, one side of the discharge rack main body is provided with the baffle plate, one side of the light sensor is provided with a falling proof plate, the other side of the discharge rack main body is provided with a counter, the inside of an operationbox is provided with a circuit breaker, the outer surface of the operation box is provided with a control panel, one side of the operation box is provided with a driving motor, the lower end of a fixing frame is provided with a hydraulic column, an anti-vibration base and the discharge frame main body are fixedly connected, and the outer surface of the discharge rack main body is provided with anemergency stop button. The polisher discharge rack with the baffle plate is provided with a rubber cushion layer, the baffle plate and the hydraulic column, can prevent damages caused by a top material mechanism directly contacting materials, and can prevent wear on the surface caused by discharging products falling down, the height of the discharge rack can be effectively adjusted, and the polisher discharge rack is suitable for different working conditions, and brings better use prospects.

The invention discloses a tamping and coking method for blending biomass. The dried biomass raw material is crushed, and the biomass material and the blending coal with a water content greater than 10% are evenly mixed according to 0.25-1% of the mass of the blended coal, and then conventionally The briquettes are rammed into briquettes, and the resulting briquettes are routinely sent to the coking chamber of the coke oven for coking. The invention greatly reduces the phenomenon of peeling and collapse of briquettes in the production process, and effectively improves the operation efficiency of coke oven production. After the coke oven is applied with the present invention, the peeling and collapse rate of coal cakes are reduced from more than 10% to less than 1%. Coke oven production operation coefficient K3 increased from below 30% to over 90%.

The invention discloses a SiC-graphene nano-composite and a preparation method thereof. The SiC-graphene nano-composite has a core-shell structure with the core covered with the shell, wherein the core is made of SiC nano particles, and the shell is made of nano graphite composed of the graphene. The preparation method includes steps of (1) precursor pyrolysis: heating and pyrolyzing the polymer pyrolysis into SiC nano particles at the inert gas atmosphere in a chemical gas-phase deposition furnace; (2), chemical gas-phase deposition: heating continuously until silicon atoms on surfaces of the SiC nano particles are sublimed and escape, forming graphite fragments by means of recombination of the residual carbon atoms, and finally obtaining the SiC-graphene nano-composite by deposition and growth of the graphite fragments. The SiC-graphene nano-composite has the advantages of excellent physical and chemical properties and mechanical properties, simplicity in preparation process, low cost and wide application range.

The invention relates to the technical field of fuel oil additives, in particular to an additive for improving fuel efficiency and a preparation method thereof. The additive for improving the fuel efficiency is prepared from the following components in percentage by weight: 100 g to 190 g of vegetable oleic acid, 25 g to 50 g of dimethyl propyl, 90 g to 120 g of sorbitol liquid, 40 g to 70 g of high-purity oleamide, 60 g to 90 g of castor oil, 10 g to 30 g of n-caprylic alcohol, 70 g to 100 g of a preservative, 90 g to 120 g of first-grade pure water, 70-100 g of sorbitan monooleate, 35-50 g of fatty acid and 50-80 g of an emulsifying agent. According to the invention, oil dirt in an oil path is automatically cleaned by fuel oil, the combustion sufficiency is improved, the components are non-toxic and harmless and are not flammable and explosive, and the additive has high use safety and reduces the emission of automobile exhaust pollutants.

The invention discloses a high-temperature-resistant graphene heating plate, which comprises a microcrystalline glass plate, a flaky graphene sintering layer and conductive parts. The flaky graphene sintering layer formed by sintering a flaky graphene mixture is integrally arranged on one side of the microcrystalline glass plate. The two groups of conductive parts which are not in contact with each other are arranged on the surface of the flaky graphene sintering layer. Because the flaky graphene sintering layer fixed on one side of the microcrystalline glass plate after sintering has a stablephysical structure, the structure is very stable, the combination with the microcrystalline glass plate is tighter, and the graphene heating plate is not easy to burst at high temperature. Glue is not used for bonding, and the problem of glue melting at high temperature is avoided. Tests prove that the heating temperature of the graphene heating plate produced by the method can be up to 550-600 DEG C. Compared with the prior art, the heating temperature of the graphene heating plate is greatly improved.

The invention belongs to the field of carbon-chemical industry, and specifically relates to a core-shell structure ferromolybdenum catalyst and its preparation and application. The preparation process is as follows: preparing ferric nitrate solution, weighing dried molybdenum trioxide, completing the process of impregnating molybdenum carrier with iron-containing solution under the action of ultrasonic waves, and then drying, calcining and molding to obtain molybdenum-iron catalyst with core-shell structure. The method not only has simple process, few steps and short period, but also solves the problem of iron loss in the traditional method, and does not generate waste water in the preparation process. The ferromolybdenum catalyst with core-shell structure provided by the invention is composed of uniformly distributed and synergistic two-phase iron molybdate and molybdenum trioxide, and constitutes a core-shell structure in which an iron molybdate layer coats molybdenum trioxide particles microscopically. This structure effectively inhibits the volatilization and loss of molybdenum trioxide, ensures the stability of the catalyst element composition, physical structure, and physical and chemical properties, and exhibits excellent activity, selectivity, and stability when used in the oxidation of methanol to formaldehyde.