19results about How to "High process integration" patented technology

The invention belongs to the technical field of photovoltaic backboards, and particularly relates to a high-reflection integrally-formed backboard for a single-glass assembly and a preparation method thereof.The preparation method comprises the following steps that S1, a PET film base material is provided, plasma surface treatment is conducted, then polyurethane coating is coated on the two sides to form an outer-layer weather-proof fluorine coating and an inner-layer functional coating respectively, and the outer-layer weather-proof fluorine coating and the inner-layer functional coating are formed; a CPC backboard base material is obtained; s2, white high-reflection EVA granules are fused and plasticized, a white EVA adhesive film is obtained through extrusion of a hanger type T-shaped flat die head, then the white EVA adhesive film is compounded with the inner functional coating of the CPC backboard base material, and a firm complex without a definite physical interface is obtained through rolling; s3, cooling the composite body through at least two stages of cooling rollers to obtain a coiled material; and S4, the coiled material is irradiated, and the high-reflection integrally-formed backboard is obtained.

The application discloses a kind of gas diffusion layer and its preparation method and application, it is related to fuel cell technical field.The gas diffusion layer includes conductive substrate layer and hydrophobic filling layer, multiple channels are opened in conductive substrate layer and pass through its thickness, multiple channels include first channel and second channel different in aperture, and the pore wall surface of channel has hydrophilicity, hydrophobic filling layer is filled in channel and covers the surface of one side of conductive substrate layer, and hydrophobic filling layer has hydrophobicity, wherein, the inner wall surface of channel and the gap between hydrophobic filling layer filled in channel are formed.The present application utilizes the wettability gradient formed by hydrophilic pore wall and hydrophobic filling layer, combines interface gap and multi-level pore array structure, realizes the spatial complementation of liquid water directional discharge and reaction gas efficient permeation, can solve the performance attenuation problem caused by fuel cell cathode waterlogging under high current density, is conducive to improving water management capability and battery output performance.

The invention relates to the technical field of semiconductor devices, in particular to an InGaAs focal plane detector based on DTW integration and a preparation method of the InGaAs focal plane detector, and the InGaAs focal plane detector comprises a silicon-based readout circuit wafer layer, an InGaAs detector array chip layer, N electrode metal and an optical filter film structure layer. The first indium bump array and the second indium bump array are bonded in a flip-chip manner and are filled and fixed by an organic polymer medium; the N electrode metal is respectively connected with the n-InP contact layer and the N electrode region; and the optical filter film structure layer is arranged on the back surface of the InGaAs detector array chip layer. According to the DTW integration technology based on the In salient point array, a traditional N hole structure and a preparation technology are removed, the N electrode is led out from the back face to the N electrode of the reading circuit after the substrate is removed, the technology steps can be simplified, the area of a detector array chip is reduced, a wafer-level machining platform is connected, and the condition for constructing a high-performance optical filtering structure is achieved.

The invention belongs to the technical field of composite material preparation, and particularly relates to a tungsten infiltrated copper composite material and a preparation method thereof. According to the invention, through a multi-scale through pore network formed by'prefabricated material construction ', molten copper liquid can be rapidly filled along a large pore channel and fully permeates into the tail end of a small pore, so that the defect of'black core' generated by closed pores is thoroughly avoided. According to the prepared composite material, the tungsten phase and the copper phase respectively form a stable and communicated three-dimensional network, so that the unification of high conductivity (greater than or equal to 60% IACS), high strength and toughness (hardness greater than or equal to 100 HB) and excellent arc ablation resistance is fundamentally and synergistically realized, and the long-standing limitation of'impossible performance triangle 'is effectively broken through. And the process is high in integration level, green and remarkable in strengthening effect, and process simplification, environmental protection strengthening and performance improvement are achieved at one stroke. The advantages of raw materials and process cost are outstanding, the industrialization prospect is wide, and the relationship among high performance, designability and mass productivity is perfectly balanced.

The application provides a method for synthesizing 2,4,4-trimethyl-2-pentanol from diisobutene by esterification hydration, comprising the following steps: S1, esterification hydration reaction: diisobutene, organic acid and water are reacted in the presence of a catalyst; S2, separation and recovery: S3, hydrogenation reaction: 2,4,4-trimethyl-2-pentyl acetate recovered in step S2.5 is subjected to catalytic hydrogenation to generate a hydrogenation reaction liquid containing 2,4,4-trimethyl-2-pentanol and ethanol; S4, the hydrogenation reaction liquid obtained in step S3 is separated, and TMPOL is synthesized by using the above method with the organic acid as a medium, the single-pass conversion rate of diisobutene can reach 50%, and the selectivity reaches 99%. The process has the characteristics of high efficiency and high atom economy, and has great industrialization potential.

The invention relates to an integrated recovery process of aromatic hydrocarbons in hydrogen peroxide oxidation tail gas, which specifically comprises the following steps: preheating the oxidation tail gas to 95-115 DEG C, introducing the oxidation tail gas into an adiabatic expansion machine for adiabatic expansion, reducing the pressure to 0.1-0.15 MPa, suddenly reducing the temperature to 3-7 DEG C, realizing energy recovery and power generation by using the Joule-Thomson effect, and condensing and separating out most aromatic hydrocarbons; and the condensed tail gas enters the activated carbon adsorption tower for deep adsorption, so that the aromatic hydrocarbon content in the finally discharged tail gas is less than or equal to 70mg / m. Through cooperation of process units, efficient recovery of aromatic hydrocarbons (the total recovery rate is greater than or equal to 95%), self-sufficiency of energy and even negative energy consumption operation (the unit tail gas treatment energy consumption is-5-0 kW.h / 1000 m) are realized, the stability and economical efficiency of an adsorption system are remarkably improved, and the technical problems of high energy consumption, low recovery rate and poor adsorption stability of a traditional cooling and adsorption process are solved.

A method for microwave-assisted extraction of blue indigo mud from Strobilanthes cusia belongs to the field of natural dye preparation. The method comprises the following steps: 1) mixing fresh Strobilanthes cusia leaves with water according to a specific solid-liquid ratio, and performing microwave-assisted treatment to make the indigo precursor quickly dissolve out; 2) after the extraction liquid is cooled by standing, an alkali agent is added for oxidation precipitation, and after solid-liquid separation and drying, the blue indigo mud with high indigo content is obtained. The indigo yield of the present application can reach 0.32%~0.42%, and the purity of indigo in the product is stable at more than 80%, and the highest can reach 87.49%. The method realizes efficient and rapid extraction of indigo from Strobilanthes cusia, significantly shortens the time of traditional indigo preparation process, and is simple, environment-friendly, stable in product quality, and suitable for industrial production.

A method and apparatus for ultra-fast zoned contact heating of aluminum alloy hot stamping forming is disclosed. The method involves determining the temperature distribution of the zoned contact heating mold based on the aluminum alloy sheet to be processed, placing the sheet on the mold for ultra-fast zoned contact heating to form temperature zones, and then rapidly transferring the heated aluminum alloy sheet to the hot stamping mold using a progressive die sheet transfer device. The hot stamping mold is then closed to stamp the aluminum alloy sheet into the target shape and held under pressure for cooling to obtain the corresponding part. Finally, the hot-stamped part undergoes a baking paint treatment to achieve peak strength in overall performance. This invention uses age-hardened (T-state) aluminum alloy sheet through rapid zoned contact heating and hot stamping forming processes to obtain parts, utilizing the continuous and efficient advantages of progressive stamping to integrate heating, transfer, and forming into a single mold.

The application discloses a nitrogen-doped carbon lithium-sulfur battery positive electrode carrier material with directional pores and iron monatomic anchoring, and a preparation method and application thereof, and belongs to the technical field of lithium-sulfur battery positive electrode materials. Graphene oxide and cellulose nanofibers are dispersed in water to form a dispersion liquid; a mixed metal salt solution prepared by zinc salt and iron salt is added to the dispersion liquid, and a composite hydrogel is formed through electrostatic self-assembly; the composite hydrogel is placed on a pre-cooled metal substrate to perform directional freezing and freeze-drying, and an aerogel precursor with a directional pore structure is obtained; the aerogel precursor is subjected to programmed temperature carbonization with a solid nitrogen source, and a nitrogen-doped carbon lithium-sulfur battery positive electrode carrier material with directional pores and iron monatomic anchoring is obtained. Through the cooperation of directional freezing and gas-phase doping, vertical through pores are constructed, and iron monatomic atoms are anchored, the shuttle effect is inhibited, high specific capacity, excellent rate and long cycle life are realized, and the capacity retention rate reaches 88.5% after 600 cycles at 0.1C.

The utility model provides a kind of wiring processing device inside switch machine, including workbench, tooling mould plate, wire stripping machine, winding machine, automatic soldering machine and smoke purifier.Workbench is equipped with collection box, and blanking opening is equipped with through collection box below wire stripping machine;Collection box contains shell and baffle, baffle is hinged in shell lower end, and both sides are equipped with the side plate with guide boss, and with shell arc-shaped guide slot sliding fit;Baffle bottom surface fixed pull rod, and shell side is equipped with transparent observation window.Smoke purifier is vertically fixed on soldering machine above by hanging plate.Advantages are: 1) realize wire stripping waste automatic collection by blanking opening-collection box vertical waste channel, and guide mechanism guarantees that baffle opens and closes stably;2) smoke purifier near-field layout eliminates welding fume pollution;3) modularization integration reduces operation turnaround distance, supporting member and drawer enhance equipment stability and storage convenience, significantly improve wiring processing efficiency and environmental protection.

The application discloses a rotary drilling rig large-pile-diameter rock stratum drilling tool combination guiding vertical drilling process and belongs to the field of rotary drilling in rock strata. In view of the problems of poor adaptability, insufficient deviation correction and low drilling verticality of the large-pile-diameter rock drilling tool, a square connecting head is welded on the top center of the reaming drill bit, the large and small reaming drill bits and the rock core drilling tool are integrated, the central positioning is relied on to realize the guiding deviation correction and the vertical drilling, and the single-time downhole drilling is synchronous with reaming, hole repairing and coring. The process constructs a double guiding mechanism, is suitable for 260MPa rock strata with the highest single-axis compressive strength, improves the adaptability, guiding precision and drilling efficiency of the drilling tool, and the hole verticality deviation can be controlled within 0.3%, and is suitable for the rotary drilling construction of 100cm-300cm large-pile-diameter rock strata. The existing drilling rig does not need to be transformed and can be widely used in bridge, building and wind power pile foundation engineering.

The application discloses a garment piece planar processing equipment and method, and equipment mainly comprises a rack, multiple groups of flat sewing machines, a template clamp and a conveying mechanism. The rack is internally provided with a processing channel, and multiple processing sites are arranged along the extension direction of the channel. Multiple flat sewing machines are arranged on one side of the rack and correspond to the processing sites. The template clamp is composed of a lower plate and a detachable upper plate which is pressed and combined. The upper plate is provided with connecting holes, so that the garment piece can be stably pressed and fixed, and displacement during processing is avoided. The conveying mechanism is arranged above the processing channel, and is provided with multiple groups of connecting assemblies which can move in multiple dimensions. The connecting assemblies are connected with the connecting holes of the clamp through plug-in pins, so that the template clamp is smoothly transferred and switched between sites, and the sewing of the inner pants line is completed in cooperation with a loose belt feeding device. The application realizes multi-site continuous automatic sewing operation of garment pieces, effectively replaces manual operation, improves processing efficiency and sewing precision of finished products, reduces production energy consumption and processing cost, and is stable in overall operation and suitable for the industrial production demand of large-scale and continuous garment pieces.

The invention discloses a preparation process of vegetable insulating oil with high oxidation stability, and belongs to the technical field of vegetable oil refining. The core of the process is as follows: firstly, taking palladium and nickel salts in a specific molar ratio as precursors, and combining with polyethylene glycol to prepare a palladium-nickel bimetallic catalyst loaded on alkaline carclazyte; then, vegetable oil is mixed with the catalyst and activated carbon, and hydrogen is introduced under mild vacuum and heating conditions for selective hydrogenation refining; and finally, adding an antioxidant and a pour point depressant into the refined oil to obtain a final product. Through the synergistic effect of the catalyst, extremely unstable linolenic acid in hydrogenated oil can be efficiently and selectively hydrogenated, by means of an integrated process and blending, the oxidation stability is remarkably improved, meanwhile, the excellent low-temperature fluidity of the product is kept, the refining yield is high, the process is simple and convenient, and the method is suitable for large-scale production of the environment-friendly high-performance vegetable insulating oil.

The application discloses a lithium-rich manganese-based positive electrode material and an in-situ interface confinement preparation method thereof, and belongs to the field of lithium ion batteries. The method comprises the following steps: a) preparing a manganese carbonate precursor with (104) crystal face preferred orientation, wherein the exposure ratio of the (104) crystal face is not less than 60% of the total surface area; b) forming a nickel-cobalt hydroxide coating layer with a nanosheet layer structure on the surface of the precursor through an in-situ interface confinement reaction to obtain a core-shell structure composite precursor connected by chemical bonds; and c) mixing the composite precursor with a lithium source and then performing dynamic segmented sintering, and utilizing the diffusion rate difference of manganese, nickel and cobalt elements in the core-shell structure to construct a gradient lattice stress field gradually enhanced from the particle interior to the surface under an oxygen-rich atmosphere. Through the synergistic effect of precursor crystal face regulation, in-situ confinement core-shell construction, gradient stress field design and surface fluorination modification, the cycle stability, the first coulomb efficiency and the rate performance of the material are significantly improved, and the method is suitable for high-energy-density lithium ion batteries.

The application discloses a carbon nanotube / graphene composite conductive agent and a preparation method thereof, and relates to the technical field of lithium ion battery materials. The application constructs a three-dimensional porous framework by intercalating zinc ions into graphene oxide, provides a highly dispersed catalyst by using iron ammonium citrate, introduces magnesium chloride to establish a magnesium thermal protection mechanism to ensure uniform growth of carbon nanotubes, and uses polyethylene glycol and tartaric acid as a carbon source pore-forming agent. Lithium carbonate is in-situ encapsulated to form a pre-lithiation unit. The application constructs a three-dimensional intercommunication network structure with synergistically enhanced electronic conduction and ion transmission by using a spray-freezing granulation process and a one-step catalytic chemical vapor deposition process. The application has high electrical conductivity, excellent dispersibility and structural stability, high process integration and environmental friendliness, and has significant industrial application potential.

The invention provides a photoelectric co-packaging chip preparation method for improving bottom filling creeping glue. The method comprises the following steps: step S1, providing a semiconductor substrate for reserving an optical port for mounting an optical chip; s2, manufacturing a stop block at a side position of an optical port reserved on the semiconductor substrate and used for mounting an optical chip; s3, an optical chip is attached to the semiconductor substrate according to the reserved design; and S4, carrying out glue dispensing operation on the semiconductor substrate in a manner that the bottom filling glue of the photoelectric co-packaging chip does not pollute the optical port through the blocking of the baffle block. According to the invention, the stop block is used as a physical barrier, and can effectively stop the bottom filling colloid from flowing through during the subsequent dispensing operation, so that the cleanliness of the optical port is protected, and the product yield is improved.

The application discloses a magnesite two-stage calcination and carbon dioxide recovery system and process, relates to the technical field of efficient utilization of magnesite, and aims to solve the problem of how to realize efficient and low-consumption calcination of high-quality magnesia and efficient recovery of carbon dioxide in a same process system. A rotary kiln is arranged in a rotary kiln combustion chamber, and the combustion chamber is used for heating the outer wall of the rotary kiln by gaseous fuel; the outlet end of the rotary kiln is communicated with a gas-solid separation chamber; magnesite powder is decomposed in the rotary kiln to generate carbon dioxide gas, which is led out by an induced draft fan through the gas-solid separation chamber, and micro-negative pressure in the kiln is maintained. High-temperature dust-containing carbon dioxide enters a downstream A1 carbon dioxide cyclone gas-solid separator for gas-solid separation. After heat exchange, cooling and dust removal, the high-temperature gas is transported to a carbon dioxide liquefaction and solidification treatment system; the solid material outlet of the gas-solid separation chamber is connected to the feeding port of a suspension decomposition furnace through a high-temperature airtight conveying device, and a decomposition furnace main combustion chamber is arranged at the bottom of the suspension decomposition furnace.

The application relates to a Zhejiang fritillary bulb directional delivery equipment based on multi-stage directional screening, and belongs to the technical field of traditional Chinese medicinal material processing equipment. In view of the problems of low artificial screening efficiency and difficulty in accurate orientation before Zhejiang fritillary bulb slicing, the equipment comprises a feeding system, a multi-stage directional screening mechanism and an accurate directional delivery mechanism. The feeding system realizes orderly material conveying through a roller feeding mechanism; the multi-stage directional screening mechanism synchronously completes size grading and preliminary directional orientation of the material through horizontal and vertical composite vibration; the accurate directional delivery mechanism is provided with directional delivery channels of multiple sizes, the inner wall of the channel is designed in a segmented variable friction mode, the roller speed and vibration frequency are dynamically adjusted in combination with a closed-loop control system, and a posture fine adjustment mechanism is matched, so that accurate directional output of the Zhejiang fritillary bulb with the flat end facing forward is finally realized. The application is fully automated and is mainly used for automatic pretreatment of Zhejiang fritillary bulb and other flat traditional Chinese medicinal materials before slicing.

The utility model discloses a kind of test fixture of remote controller detection equipment, including shielding shell, bearing assembly and pressure component. Shielding shell includes base portion and lid portion, lid portion is driven by opening and closing driving member to open and close;Bearing assembly is located in base portion, including bottom plate, detection substrate and bearing plate, bearing plate is equipped with positioning area, detection substrate is equipped with signal acquisition terminal, bearing plate is equipped with avoiding hole correspondingly;Bearing plate is supported by elastic reset piece floating, when being pressed, it can be floated downward to make the remote controller to be measured and signal acquisition terminal contact conduction;Pressure component is driven by linear drive device and moves downward, and it can be marked after test by integrated physical marker executor synchronously by applying pressure force.The utility model absorbs remote controller tolerance by floating bearing structure, guarantees contact reliability;Test and marking are completed in same station, and integration degree is high;Shielding shell and fixture are integrated, and structure is compact.