16results about How to "Improve organization" patented technology

This invention provides a method for preparing titanium anode substrates for electrolytic copper foil. The specific steps are: Step 1, preparing titanium anode substrate ingots through two melting processes; Step 2, forging the prepared titanium anode substrate; Step 3, rolling the forged titanium anode substrate. The specific effects of this invention are: the titanium anode substrate prepared by the above method for preparing titanium anode substrates for electrolytic copper foil exhibits significantly improved microstructure and properties, and the enhanced lifespan of titanium anodes produced using this process is significantly increased. This process is relatively simple to operate, requires minimal equipment, and reduces the production cost of titanium anode substrates. It also increases the practical application and operability of this process.

The application provides a preparation method of high-purity low-alloy ultrahigh-strength steel rods, and adopts LF refining+RH circulation degassing+vacuum consumable smelting double synergistic smelting process, cooperates with accurate optimization of full-process chain parameters and multi-pass forging-heat treatment synergistic process, realizes synergistic control of gas removal and inclusion floating of the molten steel through design of the molten steel circulation parameters of RH degassing and the molten pool convection parameters of vacuum consumable remelting, refines the grains and optimizes the structure, and prepares the 300M steel rod with high purity and excellent strength-toughness matching, so that the tensile strength is maintained at 1930-2070 MPa, and the fracture toughness breaks through the technical bottleneck that the purity and the mechanical properties are difficult to be considered at the same time in the traditional process.

This invention discloses a low-cost rare earth weathering steel and its production process. The chemical composition and mass percentage of the weathering steel are as follows: C 0.06%~0.12%, Si 0.25%~0.50%, Mn 0.60%~1.00%, P 0.07%~0.12%, S≤0.005%, Cu 0.15%~0.40%, Cr 0.30%~0.50%, Ce 0.002%~0.015%, Alt 0.020%~0.050%, Ti 0.02%~0.08%, N≤0.006%, with the balance being Fe and unavoidable impurities. This weathering steel uses rare earth oxides added to refining slag, and a high-alkalinity, low-oxidizing refining process to improve rare earth yield. Rare earth inclusions and nozzle turbulence are modified through calcium-magnesium composite treatment, achieving rare earth micro-alloying to replace high-alloy additions. While meeting the mechanical properties and high corrosion resistance of 355MPa grade weathering steel, it significantly reduces alloy costs by more than 15% compared to traditional weathering steel. The process flow is compatible with existing production lines and is suitable for industrial mass production.

This invention discloses a 5052 aluminum alloy cavity for semiconductor devices and its preparation method, relating to the field of aluminum alloy material technology. Specifically, it includes the following steps: S1: First, the 5052 aluminum alloy ingot undergoes a two-stage homogenization treatment, followed by a three-stage free forging process, and finally, spray cooling and air drying to obtain a shaped cavity substrate; S2: After plasma cleaning, the shaped cavity substrate is subjected to magnetron sputtering technology to sequentially deposit a transition layer, a barrier layer, and a functional layer on its inner surface to obtain the 5052 aluminum alloy cavity for semiconductor devices. The 5052 aluminum alloy cavity prepared by this invention can greatly ensure the stability and purity of the prepared aerospace semiconductors, meeting the manufacturing needs of high-performance chips for aerospace applications, and is of great significance.

This utility model discloses a large-span steel structure, belonging to the field of cooling tower technology. It includes columns, beams, and connectors, all made of H-beams. The beams are connected to the columns via connectors, with one end of the connector fixedly connected to the column. The connector includes interconnected connecting flanges and connecting webs. The beams include interconnected beam flanges and beam webs, with the end of the beam abutting against the end of the connector furthest from the column. A flange connecting plate connects the connecting flange and the beam flange, and a web connecting plate connects the connecting web and the beam web. This large-span steel structure reduces the number of columns, lowers costs, reduces wind resistance, and improves heat exchange efficiency. This utility model also discloses a mist-eliminating cooling tower incorporating this large-span steel structure.

The application provides a kind of excellent pitting-resistant nickel-based electrode, including welding core and electrode coating powder coated on the surface of welding core, and each component of the electrode coating powder comprises, by weight percentage, 35-50% of sodium hexafluoroaluminate, 25-35% of barium carbonate, 5-10% of 95% rutile, 1-2% of rutile titanium dioxide, 5-10% of quartz, 4-6% of 70% micro-carbon chromium iron, 3-5% of niobium iron, 1-3% of manganese iron, 1-1.5% of calcium alginate, 0.5-1% of alkali surface.The electrode uses special welding core and adds a certain proportion of Nb and other alloy elements through the electrode coating powder formula, adjusts the chemical composition of the electrode deposited metal, realizes the characteristics that the electrode deposited metal has excellent mechanical properties and corrosion resistance, effectively improves the operability during manual welding, improves the welding efficiency and reduces the repair rate.

The application discloses a medium-carbon martensitic stainless steel with refined structure and a manufacturing method thereof. The steel has a more uniform structure and better corrosion resistance. The chromium-nickel equivalent ratio of the material is less than or equal to 1.50, the residual austenite phase is greater than or equal to 3%, the hardness after dispersoid carbide precipitation is greater than or equal to 52.5HRC, the hardness difference of the same plate is less than or equal to 1.0HRC, and the pitting point is greater than or equal to 105mV, which is 100% higher than that of 4Cr13. The material can be used in the fields of compressor valve plates and medical devices.

The application discloses a conductive wire core aluminum alloy and a manufacturing method and application thereof, relates to the technical field of conductive wire core materials, and comprises the following components by percentage of weight: A 0.003-1.465 wt%, rare earth elements 0.001-7.670 wt%, aluminum 88.005-99.999 wt% and inevitable impurities; the conductive wire core aluminum alloy and the manufacturing method and application thereof precisely control the proportion of iron, copper and magnesium alloy elements, especially control the total content of iron and the mass ratio of copper and magnesium, and combine the grain refining effect of rare earth elements, so that the alloy has high strength and high conductivity, solves the problem that the strength and conductivity of a traditional alloy are restricted by each other, and is suitable for large-scale production.

The application provides a kind of superhigh strength corrosion-resistant low alloyed Mg-Al-Mn-Y-Zr alloy and its preparation method, belongs to magnesium alloy technical field.The application uses magnesium, aluminum, magnesium manganese intermediate alloy, magnesium yttrium intermediate alloy, magnesium zirconium intermediate alloy as raw material, is prepared into high-strength corrosion-resistant magnesium alloy after melting casting, solid solution treatment, low-temperature extrusion, the components of the alloy are Al:0.1%;Mn:0.1%;Y:0.1%;Zr:0.1%, the rest is magnesium and unavoidable impurities.The alloy prepared by the application has elongation of 5%, tensile strength of 501.3MPa, yield strength of 400.9MPa, corrosion rate in simulated body fluid of 0.07mm / a, and the preparation method has the advantages of low cost, simple process, short process, etc.

The application belongs to the technical field of alloy preparation, and discloses a preparation method of a rapidly solidified iron-based alloy strip, which comprises the following steps: weighing electrolytic iron, monocrystalline silicon, carbon powder and diiron trioxide, vacuum smelting, and repeatedly smelting and cooling to obtain a cast-state master alloy. The master alloy is cut and placed in a quartz tube, and is smelted and strip cast at specific parameters to prepare the rapidly solidified iron-based alloy strip. The parameters for preparing the Fe-O system strip sample are set as follows: the rotating speed of the copper wheel is 2050 r / min, the injection gas pressure is 0.002 MPa, and the distance from the nozzle to the copper wheel is 0.02 mm; the parameters for preparing the Fe-Si-C-O system strip sample are set as follows: the rotating speed of the copper wheel is 2400 r / min, the injection gas pressure is 0.004 MPa, and the distance from the nozzle to the copper wheel is 0.03 m, so that the accurate proportioning of alloy components is ensured, the rapid solidification of the alloy is realized by using the chilling strip casting function of the high-vacuum induction smelting strip caster, the alloy organization is significantly refined, the mechanical properties of the material are improved, the experience summary of the operator is not needed, and the standardization during production is improved.

This invention provides an energy storage power station system, belonging to the field of power facility technology, including an energy storage battery unit and a converter booster unit. The energy storage battery unit has a first air inlet facing a second direction and a first air outlet facing a first direction. The converter booster unit is positioned opposite and spaced apart from the energy storage module along the second direction and is electrically connected to the energy storage module; the converter booster unit has a second air inlet and a second air outlet facing the first direction; the second air inlet and the second air outlet are respectively located on two different sides of the converter booster unit. This invention, through the rational design of the positions of the first air inlet, first air outlet, second air inlet, and second air outlet, and by positioning the energy storage battery unit and the converter booster unit opposite and spaced apart along the second direction, effectively avoids mutual interference of airflow between equipment, optimizes airflow organization, and improves heat dissipation efficiency while optimizing the overall footprint of the energy storage power station system.

This utility model relates to the field of multi-blade centrifugal fan technology, specifically to an impeller structure, a multi-blade centrifugal fan, and a multi-blade centrifugal blower. It includes a first disc and a second disc, and several blades located between them. The blades have an arc-shaped cross-section and are spirally twisted from the end closer to the first disc to the end closer to the second disc. A first centerline L1 exists at the end of the blade closer to the first disc, and a second centerline L2 exists at the end of the blade closer to the second disc. The projections of the first centerline L1 and the second centerline L2 intersect at an intersection point P. The intersection point P, the midpoint m1 of the first centerline L1, and the midpoint m2 of the second centerline L2 do not coincide simultaneously. This utility model optimizes the blade geometry, effectively improving the airflow guidance capability, improving airflow organization, and significantly reducing eddies and flow separation phenomena, thereby improving the aerodynamic performance of the blower. Furthermore, it improves the impeller's operating efficiency while effectively reducing operating noise.

This invention provides a high-temperature wear-resistant, oil-free lubricating metal-ceramic composite mold core material for producing antibiotic vials, made from the following raw materials in the indicated mass fractions: molybdenum 3%–6%, titanium 0%–2%, tungsten carbide 6%–10%, titanium carbide 20%–25%, hexagonal boron nitride 1%–5%, nickel-coated graphite 2%–4%, with the balance being nickel. The method for preparing the metal-ceramic composite mold core material is as follows: hexagonal boron nitride powder is dispersed in anhydrous ethanol and ultrasonically treated; then, powdered molybdenum, titanium, tungsten carbide, titanium carbide, nickel-coated graphite, and nickel are mixed; after wet mixing, a composite slurry is obtained; the composite slurry is dried and then placed into a graphite mold lined with graphite paper for hot pressing and sintering; after cooling, the high-temperature wear-resistant, oil-free lubricating metal-ceramic composite mold core material for producing antibiotic vials is obtained. The process of this invention is simple and controllable, and the prepared mold core material exhibits excellent self-lubricating and wear-resistant properties at high temperatures, making it suitable for use in the pharmaceutical industry for producing mold cores for controlled antibiotic vials.

The utility model discloses a double hunting tower, including support leg, the top of support leg is equipped with support, the top of support is equipped with mounting bracket, the inside installation of support has support structure, and support structure includes the inside installation of support fixed plate, the inside installation of fixed plate has support rod, and both ends of fixed plate are provided with locating screw. The utility model discloses through inside installation of support fixed plate, and support rod crosses each other, and support rod can be fixed in fixed plate inside through locating screw, and support rod can fix and support support, and support is installed on mounting bracket, and mounting bracket is fixed at platform bottom end through mounting screw, and mounting screw dismounts and installs and lets mounting bracket be convenient for dismounting and assembling, and the tower can be suitable for most hunting tent, and it is convenient to hide, and the support of tower tent only uses a set of ladder and four sets of support leg, and the simple structure is assembled fast, to reach the purpose of double hunting tower convenient for portable tower.

This invention discloses a method for producing 450MPa grade low-alloy high-toughness hydrogen-resistant container steel, including smelting, rolling, quenching heating, quenching cooling, and heat treatment processes; wherein, during the quenching cooling process of the steel plate, the total water volume in the high-pressure section is controlled at 2400-3500 m³ / h. 3 The rolling speed of the steel plate in the high-pressure section is 5-10 m / min. During the smelting process, after strong deoxidation, a large argon gas stirring operation is performed, with an argon gas pressure of 0.3-0.6 MPa. During the rolling process, high-pressure water is applied to the billet before it enters the rolling mill, with a water pressure of 0.2-0.3 MPa and a steel feeding speed of 20-30 m / min. The quenching process adopts segmented heating. After quenching, tempering treatment is performed. The steel plate produced by the above method has an impact absorption energy of ≥100 J at -50℃ in the core, a yield strength of 290-370 MPa, a tensile strength of 460-530 MPa, and good resistance to hydrogen-induced cracking.

The application discloses a structured analysis method and system for a project electronic document. The method comprises the following steps: identifying paragraphs of the project electronic document and a modality element of each paragraph, wherein the modality element is used to distinguish content types of different paragraphs; identifying a cover, a basic information table and a project member table of the project electronic document according to the modality element, and extracting project basic information from the cover, the basic information table and the project member table; constructing a structure information field set, extracting project structure information from the project electronic document based on the modality element and the structure information field set; and storing or displaying the project basic information and the project structure information according to a preset specification. The application is suitable for various types of project electronic documents and has high analysis accuracy.