496results about How to "Shorten the production cycle" patented technology

The present invention relates to a carbonized maintained aerated concrete prepared by utilizing steel slag and cements to absorb the carbon dioxide gas. The carbonized maintenance aerated concrete is manufactured by adopting the following method: the steel slag or cement containing carbonized components can be taken as raw materials, the air-entraining agents and the water are added in the raw materials. After being mixed uniformly, the generated mixtures are pressed and manufactured into the aerated concrete. Under the maintenance of the carbonized gas, the aerated concrete is made into the carbonized maintained aerated concrete; the weight percentage that the carbonized components take in the raw materials is no less than 20 percent; the carbonized gas is the carbon dioxide gas; the maintain conditions are that the concentration of the carbon dioxide is larger than wt15 percent, the pressure of the curing gas is larger than 1bar and the carbonization and maintenance temperature ranges from 30 to 200 Celsius system. The industrial waste gas is utilized for the technology, thus reducing the exhaust of the greenhouse gas, the carbon dioxide, preparing the aerated concrete products with good performance and shortening the production cycle. The beneficial effects of the present invention are that the waste is utilized, the environment is protected, the energy is saved and the cost is low.

The invention relates to a method for preparing rebaudioside M through an enzyme method. According to the method, rebaudioside A or rebaudioside D is used as a substrate, and the substrate reacts to generate the rebaudioside M in the presence of a glucosyl donor under the catalytic action of UDP-glucosyltransferase and/or recombinant cells containing the UDP-glucosyltransferase. The method for preparing rebaudioside M through an enzyme method has important application value; and compared with the existing technology of extracting rebaudioside M from stevia rebaudian leaves, the method provided by the invention obviously shortens the production cycle, improves the productivity and lowers the cost, and can provide products having higher purity. Thus, the method can be used in the food and beverage industry in a more economical manner.

A technology for integrally casing large bearing steel roller features that the computer simulation technique is used to design metal mould, the sand covered iron mould and insulating raiser head are used for sequentially solidifying, and the new pouring system and the rotary filling of tangent internal sprue are used for preventing air bubble and impurities, resulting in high quality of product.

The invention discloses a rapid investment casting method of a complex thin-wall component, which belongs to the technical field of the precise casting, and is characterized in that polystyrene rapid formation technology is utilized to produce a thin-wall polystyrene foamed plastic investment casting pattern and a pouring system with complex shapes, the surface quality of the casting pattern is improved through a surface low-temperature wax infiltration process, the foamed plastic mould after the surface treatment is pulped for a plurality of times to produce an investment pattern molded shell, the investment pattern molded shell is roasted at high temperature, so the foamed plastic is completely gasified, and finally metal is poured to obtained the precise cast. Compared with the traditional investment casting method, the investment casting method has the advantages that the metal mould is free from being made, the formation efficiency of the cast is high, the precision is good, and the production period is short, and is particularly applicable to the middle and small rapid mass production of the complex shaped precise cast and the trial production of the new product.

The invention discloses a protective atmosphere electro-slag continuous casting furnace, which belongs to metal electro-slag re-melting equipment. The furnace comprises an alternating current power supply, electrode lifting mechanisms, a consumable electrode, a conductive crystallizer, a supporting mechanism, a molten steel liquid level detection device, an argon protective cover, a vibration mechanism, a throwing mechanism, a cutting device and a control system. The electrode lifting mechanisms are fixed on two sides of the conductive crystallizer; one end of the consumable electrode is fixed on a cross arm of the electrode lifting mechanism and is connected with the alternating current power supply, while the other end passes through the argon protective cover and is placed inside the conductive crystallizer; the conductive crystallizer is a jacket type water-cooled crystallizer with combined upper and lower parts, a conductive ring is embedded at the upper wall, and the conductive ring is connected with the alternating current power supply through a cable so that a loop is formed from the alternating current power supply, the consumable electrode, furnace slag, the conductive ring to the alternating current power supply; the vibration mechanism is fixed on the supporting mechanism, and a cam of the vibration mechanism is tightly contacted with a shell of the conductive crystallizer; the joint of upper and lower cavities of the conductive crystallizer is provided with the molten steel liquid level detection device; the throwing mechanism and the cutting device are fixed under an ejection port of the conductive crystallizer in turn; and the control system is electrically connected with the cross arm of the electrode lifting mechanism, the molten steel liquid level detection device, the drawing mechanism and the cutting device respectively. The protective atmosphere electro-slag continuous casting furnace can realize electro-slag continuous casting.

The invention relates to a parallel-type permanent magnet direct-drive wind power converter in a wind driven generation system and a control method thereof, belonging to the technical field of power electronics, which solve the problems of increased system volume and complex control method in a traditional parallel converter when the circular flow problem is solved. The parallel-type permanent magnet direct-drive wind power converter consists of two sets of back-to-back PWM (Pulse-Width Modulation) converter module, two input side three-phase reactors and two output side three-phase reactors, wherein each set of back-to-back PWM converter module consists of a rectifier, an inverter and a capacitor. In the control method, a machine side circular flow controller is adopted at a machine side and the output of the machine side circular flow controller is compensated to the initial three-phase duty ratio of a first machine side rectifier; a net side circular flow controller is adopted at a net side and the output of the net side circular flow controller is compensated to the initial three-phase duty ratio of a first net side inverter, thereby respectively adjusting three-phase duty ratio signals of the back-to-back PWM converter modules and achieving the purpose of inhibiting the circular flow. The invention is used for conveying energy of a higher-power generator to power grid.

The invention belongs to the technical field of plant tissue culture and particularly relates to a factory seedling cultivating method of actinidia arguta. The method is mainly technically characterized by comprising the five steps of: preparing culture media, selecting and disinfecting explants, inoculating, subculturing and transplanting in a sand bed. The factory seedling cultivating method of actinidia arguta is mainly provided on account of the conditions that actinidia arguta is in a wild state in all northeast areas, and the traditional cultivating modes which comprise sowing propagation, cuttage propagation and grafting propagation cause the problems that the variation of offspring characters is serious, male plants are difficult to separate from female plants, resources are seriously damaged, the seedling cultivating speed is low, the characters of the female plants are difficult to keep, the plants are easily infected with bacteria, the survival rate of the seedlings is low, and the like. Induced buds are subcultured and then directly transplanted in the sand bed, the rooting culture process is omitted, the seedling cultivating period is shortened by 50-60 days, the seedling cultivating cost is greatly lowered, the survival rate of the seedlings is obviously increased, the plant infection rate is reduced, excellent female plant characters are kept, and the variety degrading problem is solved.

The present invention relates to technological process of making cable insulating polyethylene material with cross-linking completed at natural condition, fast reaction speed, simple production process and easy operation. The making process includes the following steps: 1. melting, mixing and pelletizing two groups of material in a double screw extruder separately to obtain material A comprising polyethylene 100 weight portions, initiator 0.05-0.2 weight portions, silane coupler 0.5-5.0 weight portions and pre-cross linking resisting agent 0.1-0.5 weight portions; and material B comprising polyethylene 100 weight portions, catalyst 0.5-5 weight portions, antioxidant 1-10 weight portions, machining assistant 1-10 weight portions and pre-cross linking resisting agent 0.5-5 weight portions; and 2. mixing the material A and the material B in the weight ratio of 18-20 to 1, and melting and extruding in a double screw extruder to form the cable insulating layer.

The invention belongs to the solvent paint field, especially relates to a single component skill-similar texture paint, raw materials of which comprising elastic resin 35wt%to 65wt%, handle filler 20wt% to 40wt%, solvent 5wt% to 30wt%. Said components further comprise dispersing auxiliary 0wt% to 5wt%, which is respectively one or more mixtures of leveling agent, dispersant, anti-settling agent and antifoaming agent; further comprising matt laminated powder 0wt% to 2wt%, further handle filler 0wt% to 2wt%,which are one or more mixtures of constant slipping agent, anti-scratching agent for industrial paint; preferably, the elastic resin is thermoplastic polyurethane elastic resin modified by perchloro-ethylene resin. The invention provides a new prescription of single component skill-similar texture paint, applying skill-similar texture paint creatively in decorative coat on surface of pencil under the pre-condition of not changing decorative coat craft on surface of the pencil and excellent contact of skill-similar texture paint coat, which greatly reduces solidifying time of texture coat and reduces manufacturing cost of relevant products.

The invention discloses a method for levelling metal plate with stress deformation by utilizing vacuum annealing. The metal plate required to be levelled is placed in a fixture comprising an upper cover plate and a lower cover plate, a sealed air pocket is arranged on the metal plate, the elastic thin wall of the air pocket is contacted with the metal plate, the air pocket is fastened onto the metal plate required to be levelled, and the metal plate is placed into a vacuum annealing furnace, vacuumizing, heating and annealing are carried out, and levelling on the metal plate is carried out after annealing is finished. The method of the invention changes the levelling method from local deformation into global deformation while the metal plate is in uniform stress after yield stress is reduced, thus finishing levelling in one step and improving efficiency and accuracy of levelling; and meanwhile the method of the invention combines 'levelling' and 'annealing' processes, thus shortening production period and reducing production cost.

The invention discloses a biological preparation method for natural safe starch nano particles. The natural safe starch nano particles are prepared by gelatinization and recrystallization by using natural starch as a raw material, and the method belongs to the technical field of nano structure materials. The method comprises the following steps of: mixing the natural starch with water in a certain proportion to form starch milk; and performing gelatinization, debranching, low-speed centrifugation, recrystallization, differential speed centrifugation and vacuum freezing and drying to prepare the nanoscale starch crystalline. Toxic and harmful organic solvents and inorganic metal ions are not added during the preparation of the starch nano particles, and the starch nano particles are wide in sources of raw materials, biodegradable, good in biocompatibility, low in cost, and simple in production process, and industrial scale production of starch nano particles can be realized easily. The method has a special function in the fields of biological membrane preparation, medicine carriers, high-molecular polymer and the like.

The sexual propagation and synchronously cultivating for gastrodia tuber includes the following steps: setting honey agaric inside hole cut in wood for germination; mixing germinated honey agaric andgastrodia tuber seed; spreading 5-10 cm thick sandy soil to selected land; laying wetted tree leaf; seeding with the mixed gastrodia tuber seed; laying the wood; filling branches in wood gaps; spreadying honey agaric onto the branches and covering 5 cm thick sandy soil. The said process can make gastrodia tuber seed germinate into corm and grow into small gastrodia tuber.

The invention discloses an MES (Manufacturing Execution System) dynamic workshop scheduling and manufacturing execution system. According to the system, a planning layer, a control layer and an MES are integrated on the basis of the MES, the production capability and the load are averaged under an existing production condition, the production period is shortened and articles being processed are reduced, so that the aim of improving the economic benefits is finally realized. The timeliness of information of the MES can meet the requirements of rapid change of production operation very well; the scientificity of enterprise production scheduling and a workshop operation informationalized level can be improved; meanwhile, the change of the market and the processing process can be rapidly reflected in time and the corresponding adjustment is carried out, so that the operation efficiency of the system is improved. On the basis, the workshop production scheduling is visually modeled and simulated by using Witness; a simulation model is established and the simulation analysis is carried out so as to carry out analogue simulation and data statistics on each scheme; the contrastive analysis is carried out on related data of each set of machinery equipment and each product and corresponding data before improvement so as to realize the optimization of workshop scheduling.

The invention discloses an age hardenable aluminum alloy integral panel one-step forming method based on an autoclave. The method includes the steps: firstly, fixing an aluminum alloy plate blank on a forming die, and placing the aluminum alloy plate blank into the autoclave after the aluminum alloy plate blank and the forming die are sealed in a vacuum manner; secondly, providing temperature needed by aluminum alloy aging and pressure needed by component laminating inside the autoclave, and enabling heavy-curvature portion materials to reach yield limit and enter a creep aging stage by keeping a laminating state after plastic deformation. Internal stress distribution is adjusted by local plastic deformation, so that the problem of non-uniform performance caused by internal stress difference in the creep aging process can be eliminated, production cycle and rebound are decreased by combining plastic deformation with creep deformation, and the height of the die can be decreased. The process method can be implemented in the autoclave with enough capacity, the highest working pressure is not lower than 10Bar, and the using temperature can range from 100 DEG C to 200 DEG C. The method is simple and convenient to operate, can be implemented only by one set of female die and has an actual industrial production application value, a tool is simple, and cost is saved.

The invention discloses a greengage vinegar, preparation method thereof and application method thereof, belonging to the technical field of brewed food processing. The invention discloses a greengage vinegar, preparation method thereof and application method thereof, belonging to the technical field of brewed food processing. The greengage vinegar can also be used for preparing greengage vinegar drinks. The method adopts a new strain and a deep liquid fermenting process and has the advantages of short process, high labor productivity, and the like. The greengage vinegar and the vinegar drink which are prepared according to the method are clear and transparent, have strong and harmonious fruit and vinegar aroma, appropriate sour and soft taste and keeps the clear characteristics of greengage vinegars. {} The method can be popularized in brewing enterprises.

The invention discloses a high-efficiency production-increasing codonopsis pilosula cultivation method which includes the following steps of land preparation before seedling cultivation, seed preparation, sowing and quick breeding seedling culture. The quick breeding seedling culture includes that a. first-generation tissue culture seedlings are adopted as a breeding material; b. when the seedlings on a seedbed grows to 25cm and stem tips and stems are formed, the stem tips and the stems of the seedlings are taken down, the wound portions of the stem tips and the stems are immersed into 500-ppm rooting powder solution to be processed, then the stem tips and the stems are directly planted on a greenhouse hot bed of an agricultural facility and starts to survive in soil of the hot bed, and the stems tips and the stems grow for 30 days under the temperature of 28-35 DEG C to form second-generation complete plants; and c. continuously taking the stems and the step tips of the plants to conduct planting and breeding in the greenhouse hot bed of the agricultural facility after the second-generation complete plants are formed, third-generation plant seedlings are formed after 30 days, and the seedlings can emerge in the 30-day period to be planted. Autumn transplanting is a better choice in autumn sowing, and ridge planting or rest-balk planting is adopted. By means of the method, the seeds are large in seedling forming number, consumed time is short, seed quality purity is high, the production increase effect is remarkable and the method is suitable for large-scale planting.

The invented bearing sleeve processing and shaping technology is characterized by that the said technology includes: steel smelting; centrifugal casting, cutting, free froging, fault detecting, milling into ring, annealing, sample chemical examination, cutting, quenching tempering, and grinding. After centrifugal casting, take 1-2.5 time weight of the product as allowance for processing. The temperature of centrifugal casting is 1350-1580 deg.C, rotation speed is 1300 rpm-1400 rpm, time is 3-4 min., thermal insulation and cooling for 22-26 hr. taking out from pit, and then natural cooling. Advantages: short production period, reduced production cost, and guaranteed quality of product.

The invention discloses a process method for preparing high-purity levodopa. By utilizing chemical characteristics of levodopa, acid water is applied to extract, an impurity removing agent is used for preliminary purifying, and enriching and separating are carried out by virtue of electroosmosis; then, separation is carried out by adopting an isoelectric-point crystallization technology, and a crude crystal is dried to obtain a finished product after being re-crystallized. Process steps are as follows: crushing a mucuna material, adding acid water to extract, adding the impurity removing agent into extracting liquor to remove impurities, filtering, regulating pH value of the liquor to 1-4, entering an electroosmosis device for enriching and separating, regulating the pH value to 3.5, placing at a low temperature of 0 DEG C-4 DEG C, separating out levodopa, regulating acidity of precipitates, adding an antioxidant, placing at the low temperature, separating out crystal, and drying to obtain the finished product. The process method disclosed by the invention adopts the electroosmosis method for enriching and separating the levodopa, so that problems that the levodopa is damaged in an alkaline environment and the like are effectively avoided, and therefore, production period is shortened, energy consumption and cost are lowered; moreover, the method is environmental friendly.

The invention discloses an automatic generation method of secondary electrical schematic diagrams based on Auto CAD. The automatic generation method includes the steps that modular processing is carried out on factory-like secondary electrical schematic diagrams of various elements of a switchgear set, united figure numbers are compiled through diagram paper after the modular processing, and a stand diagram list is formed; the secondary electrical schematic diagrams are classified according to a CT current loop, a control loop, a switchgear subsidiary loop, a PT voltage circuit and other subsidiary loops to set up a secondary electrical schematic diagram model selection list; parameters are inputted; a schematic diagram selection list is automatically formed through calling of an EXCEL VBA function; whether the secondary electrical schematic diagram selection list is reasonable or not is judged, after the secondary electrical schematic diagram selection list is determined, the secondary electrical schematic diagrams are sequentially called in the Auto CAD according to the figure numbers of the selection list, the diagram paper is summarized and tidied, and needed information is generated by means of a CCES electrical diagram platform. The automatic generation method has the advantages of being capable of shortening time limit for goods delivery, and improving work efficiency and design accuracy rate.

The invention belongs to the technical field of seed growing, in particular relates to a method for growing seedlings of oil palm seeds, which comprises the steps of: respectively soaking preferred oil palm seeds in a hydrochloric acid solution and a sulfuric acid solution for closing, washing with a NaOH solution after washing and separating from pulp to obtain the oil palm seeds; and putting the oil palm seeds in a constant-temperature water bath culturing oscillator for oscillating variable temperature increased germination, then placing for 20-35 days, and carrying out nursery culturing on the germinated seeds. By adopting a pulp acid-base separating method, oscillating variable temperature increased germination and other modes, the germination of a large quantity of oil palm seeds can be effectively induced, the survival rate is increased, the production period of the growing of seedling of the oil palm seeds is shortened, and the rapid growth of the oil palm nursery stocks is accelerated. The invention has the characteristics of simple process, short culturing time, high germination rate, high survival rate and the like and has an important significance on the development of the oil palm industry.

The invention discloses a penicillium oxalicum strain for increasing enzyme activities of cellulase and hemicellulase. The strain is named penicillium oxalicum RE-10, and is collected in the China General Microbiological Culture Collection Center with the collection number CGMCC No. 8922 on March 17, 2014. The invention further discloses an application of the strain to production of cellulase and hemicellulase. As proved by experiments, the filter paper activity is increased by 52 times in comparison to that of an original strain by using the strain disclosed by the invention under the condition of an enzyme production culture medium. Compared with the conventional existing industrial stain, the engineering strain disclosed by the invention is remarkably shorter in the production period, higher in the yields of cellulase and hemicellulase and lower in production cost, can be applied to large-scale production of cellulase and hemicellulase, and has good industrial development and application prospects.

The invention discloses a flaky zinc powder preparation method. The method includes the steps of material distribution, ball milling, drying and screening, and specifically includes the steps of using atomized spherical zinc powder with the granularity smaller than 325 meshes as raw materials, adding steel balls with the zinc powder weight ratio of 10:1 to 20:1, adding grinding agents with the zinc powder weight percentage of 1 to 3 and surface modification agents to obtain a material a, placing the material a in a ball mill, adding an ethanol solution with the material a solid-liquid mass ratio of 1:5 to 1:6 and the size concentration of 99% to obtain a material b, conducting drying till the weight is constant, and conducting grading through a cyclone grading system to obtain a target object. Zinc powder ball milling and surface processing are achieved through one step, surface modification is conducted on the zinc powder while ball milling is conducted on the zinc powder, the production cycle of the flaky zinc powder is shortened, the flaking degree of the prepared flaky zinc powder is high, and the dispersion performance is good.

The invention discloses a precipitation resistant, toughening and flame-retardant polypropylene composite material and a preparation method thereof. The precipitation resistant, toughening and flame-retardant polypropylene composite material comprises the following raw materials ( taking100 parts as a measurement unit ): 50-75 parts of polypropylene, 2-15 parts of a toughening agent, 2-8 parts of a compatilizer, 10-25 parts of flame retardant silicane coated ammonium polyphosphate, 5-10 parts of flame retardant melamine cyanurate, 0.2-2 part (s) of an associative-effect flame retardant, 0.1-0.5 part of an anti-oxidant 168 and 0.1-0.8 part of an anti-oxidant 1010. According to the precipitation resistant, toughening and flame-retardant polypropylene composite material and the preparation method thereof, the manufacturing process has zero hydrolysis, excellent precipitation resistant performance and short production cycle; a produced material has superior performances. The preparation method for the halogen-free flame-retardant composite material, provided by the invention, is simple in the preparation method, easy to operate and relatively low in the cost.

A reeled paper gold-stamping die-cutting device comprises the following components: an unreeling device for expanding reeled paper, a gold stamping device and a die cutting device, wherein the unreeling device, the gold stamping device and die cutting device are sequentially installed from the upstream side to the downstream side in the direction of paper moving. The reeled paper gold-stamping die-cutting device also comprises a paper storing device which is installed between the unreeling device and the gold stamping device for storing the expanded reeled paper. The reeled paper gold-stamping die-cutting device according to the invention has a unit assembly type. Furthermore the expanded reeled paper can be stored temporarily. Therefore the slack and stacking of expanded reeled paper can be prevented. Furthermore the reeled paper gold-stamping die-cutting device of the invention has the advantages of simple working procedure, reduced turnover working procedure and high efficiency.

The invention is suitable for various electrical apparatus fields, and provides a multi-layer chip voltage-dependent and process for preparation, wherein the voltage-dependent comprises an upper cover, a lower cover, a voltage dependent resistor unit and a terminal electrode, the upper cover and the lower cover are made from voltage dependent resistor materials, and the voltage dependent resistor unit is arranged between the upper cover and the lower cover and is equipped with two inner electrodes. The multi-layer chip voltage-dependent and process for preparation are characterized in that the two inner electrodes are separately printed, a binding film is printed on one inner electrode, a voltage dependent resistor membrane band is printed on the binding film, and the other inner electrode is printed on the voltage dependent resistor membrane band. The process for preparation comprises the processes which are proportioning, pulping, preparing band, printing, hot water voltage sharing, cutting, dumping, sintering, sealing end and electroplating and the like. The multi-layer chip voltage-dependent is prepared through the process of the invention, the production cycle of products is greatly reduced, and the making cost of the products is saved.

The invention discloses a method for forming a Ti/Al dissimilar alloy based on a laser selective melting technology. Drying and pre-screening treatment are carried out on aluminum alloy and titanium alloy powder; then program files and SLM equipment are prepared; the laser selective melting technology is used for forming a bottom titanium alloy part, after forming is completed, the titanium alloypowder in a powder supply chamber of the SLM equipment is replaced with the aluminum alloy powder, and the laser selective melting technology is continuously used for forming an upper aluminum alloy part on the titanium alloy substrate; and finally, wire cutting equipment is used for cutting parts from the substrate. The laser selective melting technology can directly form the complex parts, shortens the production cycle, improves the forming efficiency and has great production and application value in the aerospace field; and in addition, the laser selective melting technology is adopted, thecooling rate can reach 106 orders of magnitude, a molten pool rapidly solidifies, the solid solubility of aluminum in the titanium alloy is greatly improved, the phenomenon of component segregation is overcome, and the effect of refined crystalline strengthening is achieved.

The invention discloses an in-mold injection molding method and an in-mold injection molding mold. The in-mold injection molding mold comprises a movable mold, a fixed mold, a female mold cavity arranged on the movable mold, and a male mold arranged on the fixed mold, wherein the fixed mold is also provided with a first slider and a second slider which moves forwards and backwards under the control of an oil cylinder; the first slider and the second slider are respectively fixedly connected at two ends of the male mold; and a part on the male mold, corresponding to the edge of the female mold cavity, is provided with a first knife edge along the periphery. The in-mold injection molding method comprises the following steps: a. carrying out thin film printing; b. feeding a film to the mold by a film feeding device; c. adsorbing the film into the female mold cavity of the mold in vacuum; d, carrying out mold closing; e, punching the thin film by using the first knife edge on the mold; and f, carrying out injection molding, cooling and mold opening, and taking out the product. By the in-mold injection molding method and the in-mold injection molding mold, the problem of the uniformity of the covered edge of an in-mold decoration product is solved, the aim of carrying out vacuum adsorption, punching and injection molding in one set of mold is realized, the production period is shortened greatly, and the production efficiency is improved.

The invention provides a method for acquiring a transfer factor from spleens of animals, which comprises the steps of tissue smashing, cell disruption by a high pressure homogenizer, the precipitation by a flocculating agent, the filtration by a microporous filtering film, the ultrafiltration by an ultrafiltration membrane and the like, wherein the flocculating agent is added during the wall breaking, which ensures that protein in a solution is precipitated and the solution is clarified, and reduces the possibility of blocking a hollow fiber ultrafiltration column during the ultrafiltration. The method can greatly shorten production period, save a large quantity of manpower and physical resources, improve the production efficiency of the transfer factor, and provide a feasible approach for satisfying the industrialized mass production.

The invention relates to a method for manufacturing sheet metal, in particular to a method for casting and rolling an aluminum alloy plate which is used for producing a 3004 aluminum alloy plate, which mainly solves the technical problems that: in the prior art, a common aluminum alloy strip basically produced by adopting a hot rolling mode has high cost, but if the aluminum alloy strip is produced by a casting and rolling method, the product quality and the like are influenced by vertical plate failure, roll coating and hippocrepiform cleft due to lack of multiple refining times. The method comprises the following steps of: putting scrap materials and aluminum ingots, smelting, refining for multiple times, standing, degasing, filtering, casting and rolling, inspecting and outputting a finished product.

The invention discloses a glass fibre tissue compound heat-insulating plate and a preparation method for the same. The heat-insulating plate comprises a heat-insulating layer, an adhesive and a glass fibre tissue veneer material layer, wherein the inner side of the glass fibre tissue veneer material layer is adhered on the surface of the heat-insulating layer via the adhesive. The preparation method comprises the following steps of: preparing the adhesive; producing the heat-insulating layer; brushing an interface agent on the inner surface of the glass fibre tissue veneer material layer; adhering the inner side of the glass fibre tissue veneer material layer which is subjected to interface treatment on the surface of the heat-insulating layer via the adhesive; and directly superposing and packaging compound heat-insulating plates which are adhered with the glass fibre tissue veneer material layers on the surfaces, and standing for 1-3 days. According to the invention, the compound heat-insulating plates can be mutually superposed, stacked and directly packaged while the integrity of the compound heat-insulating plates is enhanced; in this way, production cycle is saved, and maintenance on a shelf is avoided, thus reducing production cost and increasing production efficiency.