158results about How to "Simple processing" patented technology

The invention discloses a method for recovering vanadium, titanium and iron from vanadium titanium magnetite, comprising the following steps: using mineral powder, coal dust and binder together for agglomeration, reducting the mineral powder in a rotary hearth furnace to obtain a metallized product, then placing the product in an electric furnace by hot charging for melting and separating and obtaining titanium slag containing more than 50% of vanadium-bearing molten iron and TiO2. Vanadium slag is obtained by blowing vanadium in the vanadium-bearing molten iron, semisteel is used to make steel in a converter and the titanium slag can be used as raw material for extracting titanium directly. The method of the invention has high reduction temperature for vanadium titanium magnetite, short time, environmentally friendly, simple process and high yield of vanadium, titanium and iron so as to reach the aim of the comprehensive recovery and application of vanadium, titanium and iron and have good economic benefit and social benefit.

The invention relates to a pressed metallic dipolar plate structure and the preparing method thereof, where both the right and reverse sides of the dipolar plate are symmetrically provided with fuel gas channels, oxidizing agent gas channels, cooling medium channels and dipolar plate flow field regions. The dipolar plate flow field regions are provided with gas flow field grooves and current-collecting flow field raised platforms, which are staggered, and both the right and reverse sides of the dipolar plate have sealing component holding sealing grooves between the fuel gas channels, oxidizing agent gas channels and cooling medium channels, and the edge of the dipolar plate is a convex-concave corresponding staggered structure so as to form a stress releasing region. The invention is simple to manufacture and easy to produce in large scale and largely reduces the expenses in manufacturing.

The invention relates to chicken feed, i.e. egg-laying chicken concentrated feed. The feed is prepared with raw materials in the following weight portions: 550 portions to 600 portions of soybean meal, 100 portions to 120 portions of sunflower meal, 30 portions to 40 portions of plant oil, 25 portions to 30 portions of alfalfa meal, 30 portions to 40 portions of calcium hydrogen, 7 portions to 8 portions of salt, 80 portions to 120 portions of stone powder, 22 portions to 28 portions of premix compound, and 3 portions to 5 portions of additive. The concentrated feed is used together with the prior widely applied energy feed corn flour, simple to be processed, has easily available raw materials and low cost; the physique of the egg-laying chicken is obviously strengthened, the yield and the quality of eggs are obviously improved, so the feed has quite high practical value and considerable market prospect.

The invention discloses a titanium alloy capable of resisting high temperature higher than 600 DEG C. The chemical elements of the titanium alloy are 5.5 to 7.0 percent by weight of Al, 2.5 to 4.0 percent by weight of Sn, 1.0 to 3.0 percent by weight of Zr, 1.0 to 3.0 percent by weight of Mo, 1.5 to 3.0 percent by weight of Nb, 0.10 to 0.40 percent by weight of Si, 0.05 to 1.0 percent by weight of Ce, 0.1 to 5.0 percent by weight of Ta, 0.1 to 2.0 percent by weight of C, 0.1 to 2.0 percent by weight of B and the balance of Ti and other inevitable impurities. The titanium alloy can be used under the temperature higher than 600 DEG C, and guarantees excellent mechanical properties under the high temperature at the same time.

The invention provides a metal shell and a manufacturing method thereof. The surface of the metal shell is provided with a plurality of first lines which are arranged at intervals and have the same curvature and a plurality of second lines which are arranged at intervals and have the same curvature; the first lines are respectively crossed with the second lines to from a plurality of embossments.

The invention provides a rapid harmless biological degradation method against waxy oil sludge. The method is realized by preparing a seed solution, heating and dispersing the waxy oil sludge, preparing a degradation system and performing biological degradation, the method aims at the waxy oil sludge produced in oil production and oil refining processes specially, and substances in the waxy oil sludge can be effectively degraded by using the method. By adopting the method provided by the invention, petroleum hydrocarbon type substances in the oil sludge can be effectively degraded, petroleum hydrocarbons can be partially converted to glycoprotein type substances, and the requirements on harmless treatment of the oil sludge can be finally met. The method utilizes a biological treatment process, prevents secondary pollution and has no influence on an environment; the treatment process is simple, and the operation cost is low; the treatment time is short, and the efficiency is high. A conversion product of the oil sludge can promote the degradation of the oil sludge, which is an unexpected effect obtained in a testing process of the method provided by the invention.

The invention relates to a plant source agricultural fungicide and a preparation method thereof. The fungicide is formed by extracting and processing fruit, carpopodium, shells and leaves of evodia rutaecarpa. The fungicide comprises the following main active ingredients in percentage by weight: 6 to 10 percent of hydroxyevodiamine, 5 to 10 percent of evodiamine, 5 to 10 percent of rutaecarpin, 6 to 10 percent of dehydroevodiamine, 1 to 5 percent of bievodiamine, 1 to 5 percent of hepta evodiamine, 6 to 40 percent of other alkaloid components. The main active ingredients are processed and manufactured into an emulsion in water, and can be used for controlling and preventing a plurality of plant diseases after being diluted. The plant source agricultural fungicide and the preparation method thereof have the advantages that raw materials are easily obtained; the process is simple; the cost is low; the fungicide has very good control and prevention effects on a plurality of plant diseases, such as sclerotinia rot of colza, wheat scab and grape anthracnose, is safe to plants, does not pollute the environment, and is a biological pesticide preparation which meets the production requirements on pollution-free agricultural products in China.

The invention belongs to the technical field of alloy materials, and particularly relates to high-toughness ultrafine-grain composite titanium alloy and application and preparation method thereof. The high-toughness ultrafine-grain composite titanium alloy consists of the following elements in percentage by mass: 55-62% of Ti, 15-24% of Nb, 6-16% of Fe, 2-12% of Co and 2-6% of Al, wherein a microstructure thereof takes a body centered cubic disordered solid solution phase rich in Ti and Nb as a matrix phase and takes a second isometric crystal phase rich in Ti and Co as a reinforcing phase. The preparation method of the high-toughness ultrafine-grain composite titanium alloy comprises the following steps: mixing powder of the elementary substances according to the percentages by mass, performing ball milling at high energy to prepare amorphous alloy powder and sintering to obtain the high-toughness ultrafine-grain composite titanium alloy. The high-toughness ultrafine-grain composite titanium alloy prepared by the preparation method has the advantages of large size and good comprehensive mechanical properties, and can be applied to the field of aerospace materials.

The invention relates to a plastering mortar using high-volume slag and a preparation method thereof. Every cubic meter of plastering mortar using the high-volume slag comprises the following components in percentage by mass: 16 to 30 percent of ordinary Portland cement, 5 to 10 percent of pulverized fuel ash, 30 to 70 percent of sand, 0 to 30 percent of slag and 1.2 to 3.0 percent of plastering mortar master batch. The preparation method comprises the following steps of: firstly, drying the slag and machine-made river sand respectively until the water content is less than 0.2 percent, sieving the dried slag and machine-made river sand through a 3-millimeter sieve to remove large particles of more than 3 millimeters and feeding the slag and the machine-made river sand into a sand cabin for later use; secondly, metering the selected plastering mortar master batch serving as a raw material according to a mass proportion, fully mixing the materials in a mixing machine for 4 to 6 minutes and feeding the mixture into an additive cabin for later use; and lastly, metering the plastering mortar components according to the mass proportion in a formula and mixing the components in the mixing machine for 3 to 5 minutes so as to obtain a finished product. The slag is used instead of a part of river sand and machine-made sand, so that cost is low, environmental pollution is reduced, and social and economic benefits are remarkable.

The invention relates to a positive extrusion test method for a plastic forming friction coefficient and a friction factor. The positive extrusion test method comprises the following steps of 1) preparing a tensile specimen by using a to-be-tested material and measuring a yield stress Y at a to-be-tested temperature; 2) preparing a cone-shaped mold with a cone angle [theta] and the diameter of a large end port and a small end port being D0 and D respectively, by using the same material to the to-be-tested mold; 3) preparing a cylinder specimen with the diameter of d by using the to-be-tested material, wherein d value is between D0 and Dl; 4) extruding a specimen coated by a lubricating agent downward in the cone-shaped mold on a material testing machine at a constant speed and recording a value when extrusion load F starts to be stable; 5) calculating the friction coefficient and the friction factor according to formulas disclosed by the invention; and 6) repeating the above steps for 3-5 times, and taking an average value as a result. The positive extrusion test method is in no need of measuring geometrical shapes after a test specimen is deformed, has no abnormal deformations such as compressive instability and the like, is simple in specimen process and needs no theoretical calibration curve. Besides, the positive extrusion test method has high test precision, convenient operation and high efficiency, and can be used for tests at various temperatures and speed conditions.

Disclosed is a microfluidic chip used for cell co-culture and a cell culture method thereof. The microfluidic chip comprises successively from bottom to top: a basal layer, a cell culture chamber layer and an upper cover plate layer. A bolting cloth is arranged in the cell culture chamber layer to divide cell culture chambers into two layers, the upper layer is a culture medium exchanging layer, and the lower layer is a cell culture layer. A microfiltration membrane is arranged between the adjacent cell culture chambers. One or more upper cover plate through holes, corresponding to each cell culture chamber, are formed in the upper cover plate layer, and the through holes mutually correspond to bolting cloth through holes in position. Connectors are arranged in the positions corresponding to the upper cover plate through holes. A pipeline used for culture medium exchanging and cell inoculating or cell detecting is arranged in each connector. The microfluidic chip used for cell co-culture can intercept and retain suspension cells effectively, so that microfluidic cell co-culture of adherent cells and suspension cells or suspension cells and adherent cells is achieved.

The invention provides a small-space LED display module and a manufacturing method of the small-space LED display module. The small-space LED display module comprises a mounting base plate, an LED lamp panel and protective colloid, wherein the LED lamp panel comprises a circuit board and a plurality of LEDs arranged on the circuit board at intervals, the circuit board is arranged on the surface ofone side of the mounting base plate, and the LEDs are arranged on the surface of one side, far away from the mounting base plate, of the circuit board; and the protective colloid is arranged in gapsamong the LEDs, and the surface of one side, far away from the circuit board, of the protective colloid is level with the surfaces of one sides, far away from the circuit board, of the LEDs. The protective colloid can play a very good protection role on the LEDs, so that the problems of knocking on the LEDs and the breakage of the LEDs due to the excessive humidity are effectively solved. Meanwhile, the surface of one side, far away from the circuit board, of the protective colloid is level with the surfaces of one sides, far away from the circuit board, of the LEDs, so that the cleaning for the surface of the LED lamp panel is easy. In addition, the processing mode of the protective colloid is simple, the processing is convenient and reliable, and the method is satiable for the industriallarge-scale application.

The invention provides a process for preparing a metal silver micropattern on a polymeric material surface. High-energy ultraviolet light is employed to radiate on different polymeric substrate material surfaces in order to modify the polymeric substrate material surfaces, wherein a radiation time is controlled at 10-20 min; meanwhile, during the ultraviolet light radiation process, photographic masks are covered on polymeric substrate material surfaces to realize micro area modification on polymeric substrate material surfaces; then a silver coating solution is employed to carry out a selective silver coating on polymeric substrate material surfaces. According to the invention, ultraviolet light is directly employed to radiate on polymeric material surfaces in order to modify material surfaces and generate functional groups that are conducive to sedimentation of metal silver. Compared with a process that a monomolecular film is grafted on a substrate material surface and treated by a sensitizer and an activator successively, the process of the invention guarantees a uniform functionalization on the substrate material surface and substantially simplify the substrate material surface treatment technology; besides, silver coating patterning is realized while keeping high fidelity of the silver coating pattern.

The invention mainly discloses a processing method of a composite fabric, which is characterized in that a hot melt non-woven fabric is prepared, and an oil agent is used for softening and lubricating treatment; cloth strips with the width of 5mm-2cm are cut out and pass through three circular yarn guide rings, and the cloth strips which are close together by the yarn guide rings are wound on a bobbin; the fineness of the cloth strips is between 100tex and 2000tex, and the cloth strips are set to form silk threads by setting; the silk threads are warped, re-beamed, drawn in and tied by a weaving machine to form warp yarns, the silk threads are wound on the bobbin to be taken as weft yarns, accordingly, the fabrics are weaved. The weaved fabrics are placed at the upper layer, and meltblownnonwoven polypropylene fabrics are added in the middle, and common thin woven or knitted fabrics are placed at the lower layer, which are compounded and laminated by a laminating machine to form composite fabrics. In the three-layer materials of the product, the surface layer has the characteristics of rough and wear resistant styles, the middle layer has sound-absorbing, anti-dust and heat insulation effects, and the inner layer has skidproof and enhancement effects and the like. The product can be applied to the various fields of curtains, tablecloths, chair covers, carpets and the like.

The invention discloses a method for removing heavy metals Pb and Cd in oil crop meals by using organic acid salt. The content of the heavy metals Pb and Cd in the meals can be effectively reduced by using the method for treatment. The method comprises the following steps: with the meals obtained after extracting oil from oil crops as raw materials and the organic acid salt as an extraction agent, dissolving in ethyl alcohol (or methyl alcohol) so as to prepare leach liquor, and removing the heavy metals in the meals by adopting an extraction method so as to reduce the damage of the heavy metals Pb and Cd to human bodies and animals. The meals subjected to final treatment have very small side effects on the human bodies and the animals. The method is simple in a treatment technology and low in cost, facilitates industrial production and has important social and economic significance; the possibility of secondary pollution to environments is small by adopting the method.

The invention discloses a system for automatically detecting the periodic error of a photoelectric distance measuring instrument. The system comprises a guide rail, distance measuring reflecting prisms, and a detection pier for accommodating the photoelectric distance measuring instrument, wherein the distance measuring reflecting prisms are arranged on the guide rail at intervals according to the periodic error detection requirement. The system for automatically detecting the periodic error of the photoelectric distance measuring instrument is characterized by also comprising a control box and a computer, wherein the distance measuring reflecting prisms are automatic prisms; the computer is connected with the control box; and the control box controls the automatic prisms and the photoelectric distance measuring instrument to be detected. The system for automatically detecting the periodic error of the photoelectric distance measuring instrument has low cost, high efficiency and high automation degree, and can easily and accurately detect the periodic error of the photoelectric distance measuring instrument.

The invention relates to a wastewater split-flow separation and quality-based treatment utilization process method. Wastewater is subjected to split-flow into high-concentration waste liquid and low-concentration clean water; the low-concentration water is simply pretreatmented, and is subjected to reverse osmosis separation into fresh water and concentrated water; the resource utilization of fresh water is realized; the quality-based treatment is performed for utilizing concentrated water, so that the wastewater treatment realizes reduction, harmlessness and recycling. The defects of complexity, long flow process, great consumption, serious secondary pollution and the like of the existing wastewater treatment process are overcome. The process method is suitable for treatment and utilization of various kinds of low-salinity industrial wastewater and municipal domestic sewage.

The invention discloses a chitosan crosslinking adsorbent as well as a preparation method and the application thereof, and belongs to the technical field of application of chitosan. The preparation method comprises the following steps: dissolving chitosan in the acetic acid solution, adding vitamin C, hydrogen peroxide, methacrylic acid, acrylamide, sodium allysulfonate and N,N'-methylene bisacrylamide and reacting for 2-3 h under the protection of nitrogen at the temperature of 60-80 DEG C, and then adding the NaOH solution for neutralization until the pH is 7, using ethanol to wash, and taking acetone as the extraction agent to perform Soxhlet extraction to obtain the chitosan crosslinking adsorbent. The prepared chitosan crosslinking adsorbent can be applicable to adsorption of heavy metal ions. The method for preparing the chitosan crosslinking adsorbent is simple, short in production cycle and low in production cost, and does not need complex equipment; and the prepared chitosan crosslinking adsorbent has larger adsorption capacity (the adsorbing capacity to Cu<2+> is up to 823.26 mg/g).

The invention discloses a double-row chain tightener which comprises a primary shaft (1), a secondary shaft (3), a left hook body (2) and a right hook body (4), wherein the left hook body (2) and the right hook body (4) are arranged on the primary shaft (1) and the secondary shaft (3) at the same time; and a washer (5) and a cotter pin (6) are arranged on the primary shaft (1). According to the double-row chain tightener provided by the invention, the parts needing tightening can be effectively tightened, the processing is simple and the materials are saved.

The present invention discloses a reciprocating compressor block, which comprises a basal body, a first main bearing hole, a second main bearing hole, one or two horizontally arranged cylinder sleeves and a slideway; wherein, the basal body is a cavity; both the first and the second main bearing holes are cylindrical sleeves; the axes of the bearing hole cavities of the cylindrical sleeves are on the same line, and the cylindrical sleeves are symmetrically arranged on the front and the rear sides of the basal body and communicated with each other through a throughhole on the basal body. When two cylinder sleeves are adopted, the two cylinder sleeves are cylindrical sleeves, the axes of the cylinder sleeve cavities of the cylindrical sleeves are on the same line, the cylindrical sleeves are arranged on the left and the right sides of the basal body, and the axes of the bearing hole cavities are vertically intersected with the axes of the cylinder sleeve cavities on the same plane. The slideway is a flat and long throughhole which is positioned on the top of the basal body, the central plane of the slideway on a width direction is parallel to the axes of the cylinder sleeve cavities and is spaced from the axes of the cylinder sleeve cavities for a preset distance on the vertical direction. The reciprocating compressor block is applicable to a compressor adopting a crank-slider mechanism.

The invention discloses a method for preferentially extracting lithium and recycling valuable metals from waste ternary lithium ion battery positive electrode materials. The method comprises the following steps that the positive electrode material obtained by disassembling, crushing and separating the waste lithium ion battery is uniformly mixed with concentrated sulfuric acid, roasting is carried out at the temperature of between 400 and 600 DEG C, leaching is carried out a roasted product by using pure water and a dilute alkali solution, lithium-containing aqueous solution is obtained, and a Li<2>CO<3> or a lithium hydroxide product is prepared after impurity removal; and the valuable elements such as cobalt, nickel and manganese in water leaching residues are leached out through a reduction acid leaching method, and corresponding compound products are prepared after impurity removal, extraction and purification. The method is simple in process, short in flow, low in reagent cost and capable of efficiently recycling valuable metal elements such as lithium, cobalt, nickel and manganese in the waste ternary lithium ion battery material.

The invention discloses a novel solidified dielectric material suitable for simultaneously lattice solidifying actinium nuclide and a fission product 90Sr as well as a preparation method thereof. The material is a composite material consisting of a pyrochlore structure Ln2Zr2O7 (Ln=La, Nd, Eu and Gd) and a perovskite structure SrZrO3. By utilizing the characteristics that the radiation stability and chemical stability of the Ln2Zr2O and the SrZrO3 are good and the actinium nuclide An<3+> and the fission product 90Sr<2+> can be respectively solidified onto a lattice position of Ln<3+> and Sr<2+> and the capacity is high, a purpose for simultaneously stably solidifying the two radionuclides containing the actinium nuclide and the 90Sr and minimizing the size of the waste can be realized, and the two radionuclides can be prevented from being respectively solidified after being separated. The preparation method adopts a sol-hot mist spraying way. By adopting the method, different components can be uniformly mixed on the atomic level, the existence of the instable solidified nuclide can be avoided, the synthesis temperature is low, the phase purity is high, and the process is simple.

The invention relates to a cylindrical interference connection structure and an assembly/disassembly method, in particular to a hydraulic-disassembly cylindrical interference connection structure and an assembly/disassembly method, aiming to solve such technical problems that existing cylindrical interference connection is not suitable for repeated disassembly and that a large-sized press machine is required for disassembly. The hydraulic-disassembly cylindrical interference connection structure comprises an accommodating member and an accommodated member, wherein the accommodating member is of stepped inner cylindrical hole form, the accommodated member is a stepped outer cylindrical shaft matching with the accommodating member in shape, the spacing between the matching shoulder end faces of the accommodating member and the accommodated member forms a hydraulic oil cavity, the accommodating member is provided with a disassembly hydraulic oil inlet hole communicating with the hydraulic oil cavity, and a lubricating oil way is formed at one side of the matching shoulder end face of the accommodating or accommodated member. In assembly, a temperature difference method is adopted; and in hydraulic disassembly, a high pressure oil pump supplies high pressure lubricating oil to between the matching surfaces of the accommodating member and the accommodated member to form an oil film, high pressure hydraulic oil is pumped into the hydraulic oil cavity, and pressure intensity of the high pressure hydraulic oil acts on the stepped cylindrical shaft and hole shoulder end faces to apply axial hydraulic thrust in opposite directions to the accommodating member and the accommodated member, to enable the accommodating member and the accommodated member to slide and further separate from each other. The inventive structure is suitable for connection between a large-sized shaft coupling and a shaft.

The invention relates to a pyrite cinder treatment method which comprises the following steps: mixing pyrite cinder and hydrofluoric acid of which the content is 5-10% according to 1g:3-10mL, and then adding into a reaction tank; reacting at normal temperature for 1-4 hours; and separating out the solid content in the mixture after reaction. When the iron content in the pyrite cinder can not meet the iron making requirement, the reaction of hydrofluoric acid and silicon dioxide can effectively reduce the silicon content in the pyrite cinder, so that the beneficiation and conglomeration calcining method may be not used any more, thereby simplifying the pyrite cinder treatment process and reducing the production cost.

The invention discloses a mechanical splice of a pre-stressed concrete tubular pile, comprising a connecting pin and at least two fixture blocks, wherein the two fixture blocks are arranged oppositely; first latches are arranged on opposite surfaces of the fixture blocks; elastic components are arranged on back surfaces of the fixture blocks; an external thread is arranged at a first end of the connecting pin and second latches are arranged at a second end of the connecting pin; the second end of the connecting pin is inserted between the fixture blocks; the first latches and the second latches are blocked and buckled mutually; and the first latches and the second latches are both of screw thread type. The invention also provides a pre-stressed concrete tubular pile with the mechanical splice. The mechanism splice and the pre-stress concrete tubular pile disclosed by the invention have the advantages of simpleness in machining, high pullout resistance, high bearing capacity and corrosion proofing capability.

The invention relates to a method and a device for removing the bromate in water, which is characterized by radiating the water by ultraviolet with the wavelength between 150-250 nm, and is particularly suitable for the natural water production that the water is radiated by the ultraviolet with the wavelength between 150-240 nm and then the bromate in water is measured not more than 0.01 mg/L. Compared with the prior art, the method is more simple, adds an ultraviolet radiation technology before filling the natural mineral water, restrains the bromate content in water, maintains the ozone residual effect in filling, does not change the raw water quality such as pH value and needs any processing medicament.

The invention discloses a plant-oil-based polyurethane modifier, modified asphalt and a preparation method of the plant-oil-based asphalt modifier. According to the plant-oil-based polyurethane modifier, dehydrated plant oil polyalcohol replaces petroleum-based polyalcohol to serve as a polyhydroxy component, the polyhydroxy component is added into a polyisocyanate component at the temperature of 25-35 DEG C, the index R of isocyanate ranges from 1.4 to 1.8, the temperature is raised to 40-50 DEG C after the polyhydroxy component is added, a heat preservation reaction is carried out for 1.5-3 h, a solvent with the volume accounting for 5-50% of the total volume of the reactant is added in the reaction process to adjust the system viscosity, and a series of plant-oil-based polyurethane prepolymers with different condensation degrees are prepared. The synthesis degree of the prepolymers is controlled, the prepolymers are added into matrix asphalt, and the modified asphalt containing plant-oil-based polyurethane is prepared. The asphalt modifier is low in viscosity and good in fluidity, and is easily dispersed in asphalt, the temperature needed by the shear process is low, time is short, the prepared plant-oil-based polyurethane modifier is environmentally friendly and renewable, and the obtained modifier asphalt is simple in ingredient and excellent in high and low temperature performance.

The invention provides a lathe spindle indexing locking mechanism. The lathe spindle indexing locking mechanism comprises an index plate which is fixed relative to a lathe spindle, an index plate positioning mechanism which achieves locking and unlocking of the index plate, a brake disc which is fixed relative to the lathe spindle, brake blocks which are respectively arranged on bilateral sides of the brake disc and a brake block driving mechanism which enable the two brake blocks to get close or be far from each other; an axis of the index plate and an axis of the brake disc and an axis of the lathe spindle are coincided. After a workpiece is lathed, positioning of the index plate is achieved through the index plate positioning mechanism, the brake block driving mechanism drives the two brake blocks to be close to the brake disc to achieve braking, the lathe spindle achieves locking positioning, a first key groove or hole is machined through a milling head or drill bit, the two brake blocks are separated after machining, the position of the index plate is unlocked, the spindle rotates to a next key groove or hole machining position of the workpiece, the index plate is positioned, the brake plate achieves braking to machine the next key groove or hole until all key grooves or holes are machined.

The invention relates to a function-shared three-composite-layer laminated flameproof fabric, a preparation technology and application. The flameproof fabric consists of a reflection heat-insulation layer which faces to a flame and is mainly formed by a high-reflectivity metal foil, a heat-consumption temperature limiting layer which is intermediately arranged and is mainly formed by a high-heat-absorptivity energy-transduction phase-change material, and a heat-insulation comfortable layer which touches a human body and is mainly formed by a high-heat-insulation and high-heat-reflectivity composite film. The reflection heat-insulation layer can reflect and insulate most heat radiated by an open-fire strong heat flow environment; the heat-consumption temperature limiting layer cuts off temperature, absorbs heat and consumes energy through the phase change of a phase-change material; and the heat-insulation comfortable layer realizes heat insulation and comfort effects through heat insulation and reflection of a multilayer composite film and a lining flameproof comfortable base fabric. The reflection heat-insulation layer, the heat-consumption temperature limiting layer and the heat-insulation comfortable layer are composite layers and are sewn and bonded in a fully-closed manner to form the composite flameproof fabric. The natural thickness of the flameproof fabric is 5-15mm, the compact thickness of the flameproof fabric is 3-10mm and the weight per square meter of the flameproof fabric is 450-1500g/m<2>. The flameproof fabric can be used for human body protection and environmental heat insulation of high-radiated-heat special occasions such as firefighting, military, exploration and industry.

The invention belongs to the field of fuel cell membrane electrode manufacturing and relates to a fuel cell membrane electrode preparation process and a hot-pressing mould thereof. The hot-pressing mould thereof comprises a bottom plate, a lower positioning plate, an upper positioning plate, a positioning frame, a pressure block, a movable cutting die bottom plate, a lower positioning plate, an initial membrane electrode polyester frame, an upper positioning plate and a pressure block in sequential arrangement. The pressure block is positioned in a positioning frame through hole in the centerof the positioning frame; a first gas diffusion layer and a second gas diffusion layer are positioned in a lower positioning plate through hole and an upper positioning plate through hole respectively; the cutting die is formed by inlaying a bladed into a plate, and when the cutting die moves downwards, the blade penetrates a gap between the positioning frame through hole and the pressure block tobe pressed on the upper positioning plate. By positioning pins for fixing a membrane electrode prone to distortion and deformation, displacement in hot pressing is avoided; by design of the blade shape of the cutting die and a groove shape of the bottom plate, membrane electrode components in any shapes can be manufactured; by use of the positioning plates instead of shallow grooves for fixing the gas diffusion layers, simplicity in processing and low replacement cost are realized.