362results about How to "Solve layering" patented technology

The invention relates to an abrasive jetting device and a method for abrasive water jet perforation and multiple fracturing; wherein the abrasive jetting device has multistage jet guns which are connected in series; the jet guns are all hollow columns; the side walls thereof are respectively provided with at least two nozzles; the lower part of each stage of jet gun is provided with a packer; the side wall of the packer is provided with a sealing sleeve which can expand outward under the action of high-pressure liquid; the jet guns comprise a first stage bottom jet gun arranged at the lower part of the abrasive jetting device and multistage upper jet guns arranged above the bottom jet gun; wherein all the upper jet guns are respectively provided with a sliding sleeve which can seal the nozzle of the stage of jet gun and sealing sleeve; and the sliding sleeve can slide to the lower part of the sealing sleeve under the action of external force so as to open the nozzle and the sealing sleeve. The invention can be used for casing straight wells or horizontal wells, solves the problem of layered or staged fracturing in the straight wells or the horizontal wells in oil fields, and achieves the purposes of saving fracturing cost, improving fracturing effect and reducing the construction risk.

The invention relates to a method for synthesizing unsaturated phenolic resin with various etherification waste, which includes the four steps: (1) etherification waste and polyhydric alcohol have alcohol sis and ester interchange with catalyst existing; (2)alcohol zed product and unsaturated binary acid or have etherification polycondensation; (3) use dicyclopentadiene (DCPD) to blocking modify in the later period of etherification polycondensation; (4) add into styrene solution for cross linking. The invention has plentiful sources of raw material, low price, decreased pollution and productive cost and energy saving, as well as eliminates the disadvantage of bad dissolubility in styrene .

The invention discloses a flexible display device and a manufacturing method thereof, and belongs to the filed of display technology. The flexible display device comprises a flexible display module and a flexible covering layer, wherein the flexible display module is covered with the flexible covering layer; the flexible covering layer and the flexible display module are adhered together through an optical transparent adhesive tape; and the surface, in contact with the optical transparent adhesive tape, of the flexible covering layer is rugged. Through the technical scheme, the bending resistance of the flexible display device can be improved.

The invention discloses an alcohol-based fuel combustion improver and an alcohol-based fuel. The alcohol-based fuel combustion improver consists of 4.9-93 parts by weight of co-solvent, 4.9-93 parts by weight of bio-oil, 0.1-0.3 part by weight of smoke suppression combustion improver and 1.0-3.0 parts by weight of combustion improver; and the alcohol-based fuel is formed by mixing and stirring 80-99 parts by weight of methanol and 1-20 parts by weight of alcohol-based fuel combustion improver. By adopting the combustion improver disclosed by the invention, the prepared alcohol-based fuel is a novel biological environment-friendly alcohol-based fuel, the calorific value is as high as 6,000-10,000 calories/g, and the combustion performance is good; and moreover, the alcohol-based fuel has high flash point and low volatility, and potential safety hazards in the prior art are eliminated. The alcohol-based fuel disclosed by the invention also has the characteristics of being safe and environment-friendly, reproducible, clean and sanitary, convenient to use, cheap and the like.

The invention discloses a ceramic mobile phone shell preparation method which includes the steps: (1) dissolving submicron ceramic powder, dispersing agents, binding agents and plasticizers into organic solvents, and performing ball-mill mixing on mixture to form uniform slurry; (2) performing vacuum defoaming and tape-casting treatment on the slurry to obtain casting film wafers; (3) designing molds according to the shapes and the sizes of products, performing differentiation on the casting film wafers to form differential film wafers with corresponding shapes and sizes, stacking the differential film wafers on the molds, and performing vacuum packaging sealing and isostatic pressing treatment on the differential film wafers stacked on the molds to obtain green bodies; (4) performing glue coating and sintering on the green bodies to obtain ceramic wafers with preset shapes and sizes; (5) grinding and polishing the ceramic wafers to obtain ceramic mobile phone shells. The invention further discloses a ceramic mobile phone shell prepared by the method. According to the preparation method, subsequent machining amount is less, production efficiency is greatly improved, and product cost is reduced.

The invention relates to the technical field of thermoplastic elastomer materials and particularly relates to a high-shock-absorbance wear-resistant thermoplastic elastomer and a preparation method thereof. The high-shock-absorbance wear-resistant thermoplastic elastomer comprises the following components in parts by weight: 40-60 parts of SIS resin, 10-20 parts of thermoplastic polyurethane, 5-10 parts of a compatilizer, 5-15 parts of extending oil, 5-10 parts of mineral filler, 1-3 parts of a processing aid and 0.2-0.5 part of an antioxidant. The preparation method comprises the following steps of firstly, placing the SIS resin, carbonate calcium, the antioxidant, the processing aid and extending oil into a high-speed mixer, mixing, adding other raw materials and mixing to obtain a premix; and secondly, placing the premix into a twin-screw extruder, extruding and granulating. The thermoplastic elastomer has the characteristics of capability of secondary injection molding, good adhesion with PC and ABS materials and high shock absorbance and wear resistance.

The invention provides a children coating and a preparation method of the children coating. The children coating provided by the invention comprises the following raw materials: wood fibers, a purified emulsion, kieselguhr, an anion additive, titanium dioxide, triple superphosphate powder, a dispersing agent, a wetting agent, a defoaming agent, a thickening agent, a preservative, a mildew preventive and tap water and the like. The wood fibers are added into the environmentally-friendly children coating by the invention so as to change the structure and the texture of a surface of a paint film, thereby feeling soft and smooth; and in addition, the porosity of the paint film is improved by the wood fibers in the paint film, the breathable performance is good, the quantity of heat and the transmission capacity of voice are reduced, and a good humidifying function can be created by the gaps of the paint film.

The invention belongs to the technical field of detection on automobile parts, and provides a detection method for measuring thicknesses of multiple coating layers. The detection method comprises the following steps: cutting a sample part to be detected, burnishing vertically to the cross section of a sample, properly polishing the sample, putting the sample on a measuring table of a microscope, regulating the amplification factor of the microscope, observing under the 100-1000-fold microscope, observing by adding a cold light source on the side surface of the sample to be detected, and measuring the thicknesses of the coating layers at the same time. The detection method has the advantages as follows: by varying the light line and the light intensity of the microscope, a layering problem of the coating layers with similar colors, such as an ED layer and a primer layer, white paint and varnish as well as black finishing paint and varnish, can be effectively solved, thus avoiding a special sampling cumbersome procedure in the production process; the detection method is accurate in detection and high in reliability; a reliable basis is provided for routine detection and defect analysis of metal and plastic coating products.

The invention provides high-fluidity pumping ceramsite concrete and a preparation method thereof. A formula of the concrete comprises cement, coal ash, water, fine aggregate, limestone flour, pumping aid, ceramsites, ceramic sand, redispersable emulsion and hydroxypropyl methyl cellulose. The method comprises the following steps: reasonably selecting respective raw materials and usage thereof according to a unit weight of concrete to be prepared, soaking the ceramsites to a saturated water absorption state in advance, then mixing with other raw materials, and stirring to prepare the ceramsite concrete. By controlling the grain size of the ceramsites and a fineness modulus of the fine aggregate, the redispersable emulsion and hydroxypropyl methyl cellulose are cooperatively added to promote the cementation of the cementing materials such as the cement, the coal ash and the limestone flour with the ceramsites, and the cohesiveness and water retaining property of the concrete are increased, and the problems of easy floating, layering and separation of the ceramsites in the ceramsite concrete are effectively solved, moreover, separation and layering of the ceramsites can be effectively avoided by using the ceramsite concrete produced according to the invention, and slump loss in a material transporting and waiting process is obviously reduced.

The invention belongs to the technical field of lithium battery manufacturing, and particularly relates to a raw material high-efficiency stirring device for lithium battery manufacture technology. The invention aims to provide a raw material high-efficiency stirring device for lithium battery manufacturing technology, which is uniform in stirring, simple in structure and convenient to operate. In order to solve the technical problems, the invention provides a raw material high-efficiency stirring device for lithium battery manufacture technology, which comprises a bottom plate, a bracket, a mounting plate, a mixing barrel, a discharge pipe, an electric control valve, a feed hopper, a cover, a rotating machine, a winding wheel, a pull wire, a first spring, a link stopper and the like, wherein the left and right of the top of the bottom plate are welded with the bracket; the top of the bracket is welded with the mounting plate; and the mixing barrel is welded to the mounting plate. The stirring device achieves the effects of uniform stirring, simple structure and operation convenience, has the advantages of novel structure and high practicality, can uniformly disperse the slurry, and can solve the problems of settling and stratification of the slurry.

The invention relates to the technical field of tunnel engineering and discloses a tunnel bottom prefabricated assembly type tunnel structure. The tunnel bottom prefabricated assembly type tunnel structure comprises a primary support, a secondary lining, a drainage system and a filling layer. Six protrusions are arranged on the secondary lining, and the six protrusions are arranged at intervals in the transverse direction of a tunnel. Each protrusion extends in the extending direction of the tunnel. A box type plate prefabricated block and two T type plate prefabricated blocks located on the two sides of the box type plate prefabricated plate and connected with the box type plate prefabricated block are adopted for the filling layer. The box type plate prefabricated block comprises a top plate, a left vertical plate and a right vertical plate, wherein the left vertical plate and the right vertical plate are arranged on the two sides of the lower portion of the top plate. The left vertical plate, the right vertical plate, vertical plates of the two T type plate prefabricated blocks and the ends, away from the box type plate prefabricated block, of the two T type plate prefabricated blocks are correspondingly and fixedly connected with the six protrusions. By the adoption of the tunnel structure, the diseases of the delamination, cracking, bottom bulging, sinking, mud pumping and the like of the tunnel foundation can be solved effectively, the construction pollution is reduced, and the labor production efficiency is improved. The invention further discloses a construction method of the tunnel structure.

The invention relates to a common yam rhizome dew beverage, which is prepared from fresh common yam rhizome serving as a main raw material. The beverage consists of the following components in part by weight: 8 to 20 parts of common yam rhizome, 0.001 to 0.005 part of thermo-stable amylase, 5 to 8 parts of sweetener, 0.10 to 0.15 part of vitamin C, 0.10 to 0.38 part of stabilizer, 0.06 to 0.16 part of acidity regulator and 71.3 to 86.7 parts of purified water. A production method comprises the following steps of: protecting color, coarsely grinding, cooking, pulping, raising the temperature for gelatinization, performing enzymolysis, inactivating at a high temperature, blending, homogenizing, degassing and the like. Common yam rhizome dew furthest keeps the specific active ingredients and flavor of the common yam rhizome, makes the common yam rhizome more easily absorbed and utilized by human bodies, and increases the nutritional value of the common yam rhizome; and the beverage has fragrant and mellow mouthfeel, is tasty and refreshing and has the effects of quenching thirst, moistening the lung, invigorating the spleen, protecting the liver, disintoxicating, tonifying middle-jiao and qi, nourishing the heart, soothing the nerves, preventing atherosclerosis, building the bodies, beautifying and delaying senility. The production method ensures that the common yam rhizome dew beverage is not browned, precipitated and demixed.

The invention relates to novel vehicular energy-saving environment-friendly methanol diesel oil and a manufacturing method, the proportion of each component of methanol diesel oil fuel according to weight by parts is that diesel oil 23-50, methanol 35-70 and combined addition agent 5-13, wherein the components and contents of the combined addition agent are that ethyl nitrate 0-3, cyclopean ferrocene 0-0.008, carbon dodecanol 0-2.5, isobutyl alcohol 0-3, diethyl carbonate 0-4, acetic ether 0-2.5, benzyl alcohol 0-0.5 and butanol 0-3. The process for preparation comprises getting dissel oil, methanol and combined addition agent according formula ratio under the condition of normal temperature and normal pressure, firstly, adding combined addition agent in methanol, preparing denatured methanol after completely dissolving, secondly, adding the above denatured methanol in diesel oil, finally completely evenly stirring for 10-20 minutes to get products. The products have excellent property and environmental protection.

A disclosed water quality modified is composed of disodium ethylene diamine tetraacetate, citric acid, potassium monopersulfate triple salt, polyferric sulfate and phytic acid according to a weight ratio. The water quality modifier is good in water solubility, helps to purify water, improve water quality, reduce the mortality and elimination rate and increase breeding income, is widely applicable to modification on poultry and livestock drinking water and aquaculture animal water source.

The invention provides an air-permeable sound-permeable waterproof membrane. The air-permeable sound-permeable waterproof membrane comprises a shell and further comprises a pressure plate and a waterproof air-permeable membrane assembly mounted in the shell, wherein the shell is provided with a first through hole; the pressure plate and the part, where the first through hole is arranged, of the shell form a closed area; the pressure plate is hermetically connected with the shell; the pressure plate is provided with a second through hole; the second through hole is arranged at a position corresponding to the position of the first through hole, and the two through holes communicate with each other; the waterproof air-permeable membrane assembly is installed in the closed area, and is closely attached to and fixedly connected with both the shell and the pressure plate; the waterproof air-permeable membrane assembly comprises a waterproof air-permeable membrane; and the waterproof air-permeable membrane is the only member that blocks the communication between the first through hole and the second through hole. The air-permeable sound-permeable waterproof membrane of the invention hasgood water resistance and can resist water pressure of 1 to 70 meters; and when the air-permeable sound-permeable waterproof membrane cooperates with an intelligent hardware shell structure, a part using the membrane has water resistance, air permeability and sound permeability.

The invention discloses a preparation method of a high-density aramid insulating hardboard. The preparation method comprises the following steps: defibering meta-aramid chopped fibers, meta-aramid precipitation fibers and meta-aramid paper pulp in water respectively; after mixing, carrying out wet-process papermaking and forming by utilizing an inclined-wire forming device; carrying out ultrasonic treatment in the forming device; after squeezing and drying, carrying out surface coating treatment; reeling a wet paper web through a laminated layer; after chopping off, spreading on a conveyor to form a wet paper blank; conveying the wet paper blank into a plate type hot press through a feeding trolley and carrying out subsection hot pressing; after cooling, unloading a board, conveying the board into a semi-finished product chamber and carrying out balance treatment; trimming and finishing to finally obtain a high-density aramid insulating hardboard product. The high-density aramid insulating hardboard prepared by the invention is composed of pure meta-aramid fibers, the thickness is 1.0mm to 10mm and the density is 1.1g/cc to 1.2g/cc; the size precision is high; the product has excellent mechanical strength and dielectric property, has high temprature-resisting grade and has good compatibility on oil and paint; the product can be widely applied to power equipment including motors, transformers and the like.

The invention provides a metal tube taking a plastic tube as a liner and a manufacturing method of the metal tube. The metal tube taking a plastic tube as a liner comprises a metal tube and a plastic composite tube stock; the plastic composite tube stock is formed by an outer layer hot melting adhesive layer and an inner layer plastic tube; plastic composite tube stock is manufactured online, the inner wall of the metal tube is subjected to sand blasting and shot blasting or grit blasting after being polished, the plastic composite tube stock is pulled into the well-processed metal tube, and the two ends of the plastic composite tube stock are sealed and inflated and are placed in a sealed steam room or baking room to be heated, such that the metal tube and the plastic composite tube stock are adhered fixedly, and trimming and spraying are performed. The invention further comprises a manufacturing method of the metal tube taking a plastic tube as a liner. The sealed steam room or baking room is adopted for heating, the product quality is stable, and percent of pass is high; a plurality of or even different models and types of tube stocks can be heated simultaneously, the total heating time is less, the production efficiency is high, the energy consumption cost for product heating can be saved, plants and production devices for production can be saved more, and investment cost is reduced.

The invention provides a cathode gold electrolytic refining process. According to the invention, an electrolyte formula is changed, and electrolytic refining is carried out in a hydrochloric acid system with low gold ion solubility (Au<3+> 80-120g/L) and low acid (60-90g/L) with a titanium motherboard used for replacing a traditional gold starting sheet as a cathode. During the electrolysis process, with a quantitative dosing device, an inhibiting agent is automatically added online according to the variation of the components of the electrolyte, such that interferences of impurities such as lead and silver upon electric gold quality and an anode passivation problem are solved. Also, an automatic thermal insulation measure is provided for the electrolyte, such that a phenomenon of easy stratification and concentration polarization is eliminated. Higher than 99.995% electric gold products with qualified physical specifications and chemical qualities can be produced through one-step direct electrolysis. Aiming at a workplace environment ventilation problem, inner-ring and outer-ring skilful isolation is adopted, such that process exhaust problems of product pollution, environment pollution and equipment corrosion are solved. With the process provided by the invention, purposes of high efficiency, environment protection, and energy saving are realized. The process has a high popularization value in the field of precious metal refining.

The invention discloses an aqueous high weather-proof matt exterior wall emulsion paint and a preparation method thereof. The emulsion paint comprises the following components by weight: 30-40 parts of emulsion, 0.2-0.5 part of an organosilicone hydrophobic agent, 2-8 parts of diatomite, 4-7 parts of sericite powder, 20-25 parts of titanium dioxide, 6-14 parts of a calcium carbonate powder, 0.4-0.7 part of a dispersant, 0.1-0.3 part of a wetting agent, 0.3-0.6 part of a defoaming agent, 0.1-0.3 part of an antifreeze, 1.5-2 parts of a coalescing agent, 0.4-0.9 part of a thickening agent, 0.2-0.5 part of a leveling agent, 0.1-0.3 part of a preservative, 0.1-0.3 part of a mildew preventive and 20-30 parts of water. The preparation method provided by the present invention comprises steps of: pre-blending, grinding disperse, and addition of emulsion and auxiliary agent, etc. The aqueous high weather-proof matt exterior wall emulsion paint provided by the invention has advantages of soft texture, flattening and fine paint film surface, and soft matt effect.

The invention discloses an interconnection structure of a low-cost chip back through silicon via (TSV) and a preparation method thereof. The interconnection structure comprises at least one chip. The front surface of each chip is provided with a welding pad, and the back surface of the chip is provided with a through via corresponding to the welding pad. The bottom opening of the through via is exposed to the welding pad, and the size of the bottom opening of the through via is smaller than the size of the welding pad. The back surface of the chip and the sidewall of the through via are coated with an insulating layer. The surface of the welding pad, exposed out of the bottom opening of the through via, is formed with a metal layer of a certain thickness through the chemical plating process. The electrically conductive material is filled inside the through via through the non-metal plating process. According to the technical scheme of the invention, the electroless plating of the sidewall of the TSV is not required any more. Meanwhile, the deep hole physical vapor deposition and the deep hole plating are avoided, so that the interconnection structure is low in cost, simple in process and high in reliability.

Energy-saving emission-reducing type carbinol diesel, the weight by parts proportion of auxiliary raw materials which are used is that carbinol is 1-35 parts, diesel is 61-80 parts, methyl tert-butyl ether is 2-5 parts, vegetable oil acid is 1-5 parts, thick tea water is 1-2 parts, hexane is 0.2-0.5 part, isopropanol is 0.3-0.5 part, tert-butanol is 0.25-0.6 part, and the above auxiliary raw materials should only be mixed evenly under normal temperature and nor pressure. The carbinol diesel does not separate layers in long-term storage and has good intersolubility, the tryout on diesel-engine road vehicles shows that compared with pure national standard diesel which uses the same mark number, the carbinol diesel saves fuel consumption by 5-10% for 100 kilometers, the discharging end gas does not have black smoke, the content of harmful substances as CO, NO X, HC and the like is greatly reduced, and the fuel does not exist corrosion and swelling problems to metal pieces and rubber pieces in oil ways. The invention has simple preparation, high heat quality of the product and low cost, and not only can save the fuel consumption and the emission of the harmful substances but also can overcome the drawbacks such as corrosiveness, swellability and poor motivation which occur when existing carbinol diesel is in use.