29results about How to "Solve process problems" patented technology

The invention relates to the technical field of lithium carbonate production, and provides a lithium carbonate production lithium precipitation process multistage continuous lithium precipitation reaction system and a lithium precipitation method. The lithium precipitation reaction system comprises a finished liquid tank, a primary lithium precipitation kettle, a sodium carbonate kettle and a secondary lithium precipitation kettle; adding the solution in the sodium carbonate kettle into the primary lithium precipitation kettle from the bottom of the primary lithium precipitation kettle to a specified liquid level, and then adding the solution in the liquid tank into the primary lithium precipitation kettle from the top of the primary lithium precipitation kettle; the reaction completion material overflows into a secondary lithium precipitation kettle from an overflow port of the primary lithium precipitation kettle; each of the primary lithium precipitation kettle and the secondary lithium precipitation kettle comprises a shell, a cover body covering the shell, a distributor mounted between the shell and the cover body and a stirring assembly mounted on the cover body; when the solution in the finished solution tank is added into the primary lithium precipitation kettle from the kettle top of the primary lithium precipitation kettle, starting a stirring assembly; the stirring assembly comprises a driving assembly arranged on the cover body, a first stirring assembly driven by the driving assembly and a second stirring assembly driven by the driving assembly.

The invention relates to the field of aluminum alloy material manufacturing, and discloses an aluminum alloy composite material for brazing and a preparation method thereof.The aluminum alloy composite material for brazing is made of a multi-layer composite material and comprises a core material, a first composite layer and a second composite layer, and the alloy of the core material comprises, by mass, 0.8-1.1% of Si, 0.5-0.7% of Cu, 1.5-1.8% of Mn, 1t and the balance Al; 0.3% of Fe, lt; the mass fraction of a single element is smaller than or equal to 0.05%, and the mass fraction of other elements is smaller than or equal to 0.15%. The alloy of the composite layer I comprises the following components in percentage by mass: 9.0-11.0% of Si, lt; 0.3% of Fe, lt; 0.15% of Cu, lt; 0.1% of Zn, less than or equal to 0.05% of a single element, and the balance of aluminum; the alloy of the composite layer II comprises the following components in percentage by mass: 0.3 to 0.5 percent of Si, lt; the aluminum alloy comprises the following components in percentage by weight: 0.3% of Fe, 3.5-4.5% of Zn, 0.9-1.3% of Ni, other elements less than or equal to 0.05% of a single element, and the balance of aluminum. The aluminum alloy composite material is excellent in composite interface, uniform in composite layer distribution and good in corrosion resistance.

The invention belongs to the field of aeronautical manufacturing, and relates to an aircraft duct flexible welding device which comprises a base platform, a linear motion module, a rotary motion module, a sorting module, a control module and a positioner base. The base platform is fixed on the ground, and the linear motion module is fixed above the base platform; the rotary motion module is fixed above the linear motion module; a positioner base is mounted above the rotary motion module; the linear motion module is used for adjusting the three-dimensional coordinates of the positioner base, and the rotary motion module is used for adjusting the spatial attitude of the positioner base; a sorting module is fixed beside the base platform; the sorting module is used for selecting the positioners and mounting the positioners on the positioner base; and the control module is used for controlling the linear motion module, the rotary motion module and the sorting module.

The invention relates to an epoxy resin pouring type transformer with built-in microcirculation cooling channels and a heat dissipation method of the epoxy resin pouring type transformer, and belongs to the technical field of power transformers. The epoxy resin pouring type transformer comprises an iron core, a low-voltage winding, a high-voltage winding and a heat dissipation shell, the low-voltage winding and the high-voltage winding are completely impregnated and wrapped by an epoxy resin composite material through a vacuum pouring process, an integrated epoxy resin pouring body is formed after curing, and a three-dimensional communicated bionic microcirculation cooling channel network is arranged in the epoxy resin pouring body; the heat dissipation shell is in close contact with the outer surface of the epoxy resin pouring body through the high-heat-conductivity insulating medium. According to the invention, the heat dissipation efficiency can be remarkably improved, and a cooling medium (air) is directly guided to a microscopic area around the winding conductor through a three-dimensional communicated and tree-shaped fractal bionic microcirculation cooling channel network, so that the effective heat exchange area and the heat exchange strength are greatly increased, and internal heat can be accurately and efficiently taken away.

This invention discloses an intelligent handling device for frozen sand molds with environmental sensing capabilities, suitable for frozen casting production lines. The device includes a walking mechanism, a support and lifting mechanism, a sand mold clamping and tilting mechanism, an environmental sensing module, and a central control module. The walking mechanism is the power source for the entire machine's movement and consists of a frame chassis, drive wheels, and casters. The support and lifting mechanism consists of an electric cylinder, a pressure sensor, and a crossbeam. The sand mold clamping and tilting mechanism consists of a linear module, clamping arms, clamping plates, a load-bearing shaft, a copper sleeve, a mounting bracket, strain gauges, a hollow rotating platform, and a drive motor. The environmental sensing module is mounted on the frame of the handling device. The block consists of a 3D dot matrix scanning sensor, a machine vision camera, and a thermal imager. The central control module collects data from pressure sensors, strain gauges, and environmental sensing modules in real time for analysis and decision-making. It generates the current optimal working parameters and adjustment parameters through methods such as coupling mapping and digital twins, and feeds them back to each mechanism for real-time control to optimize the handling process. This invention solves the problem of large-scale frozen sand handling and turning in the molding process in a cryogenic casting production line, improves the molding efficiency and accuracy of sand molds, greatly reduces manpower, and plays a role in cost reduction and efficiency improvement for the entire cryogenic casting production line, which is in line with the national trend of developing green casting.

The application discloses a passivator for treating the surface of aluminum foil resistant to heat and humidity, a preparation method and application. The passivator is suitable for the surface treatment of aluminum foil of aluminum-plastic film for lithium ion battery soft packaging and general soft packaging of food, medicine, daily chemicals and the like. The passivator contains: a trivalent chromium compound (A), a fluorine-containing compound (B) and an epoxy-modified alkyd resin (C). The content of the trivalent chromium compound (A) is 5-60% based on the total mass of the passivator solid, the content of the fluorine-containing compound (B) is 0.01-20%, and the content of the epoxy-modified alkyd resin (C) is preferably 30-90%. The application can form a dense, strongly adhesive passivation film with excellent heat resistance and chemical resistance on the surface of the aluminum foil. The passivation film can meet the affinity requirement of the adhesive for the dry process and can resist the high-temperature compounding condition of the hot process, realizes the general use of the passivator in the dry process and the hot process, and greatly improves the production efficiency and process flexibility.

The invention discloses a special-shaped slice grain pressing mold and a forming method, and aims at solving the technical problem that a special-shaped slice grain is difficult to form from the technical problems existing in the forming process of the special-shaped grain. And the mould pressing process is changed into secondary pressing from primary forming. Powder is firstly pressed for the first time until the upper end face of a punch is flush with the upper end face of a die cylinder; and then, the cushion block and the gasket are pulled out, pressurization is conducted again till the set pressure is reached, and pressure maintaining and demolding are conducted. The special-shaped slice grain pressed by the special-shaped slice grain pressing mold is complete in structure, free of cracks and even ring falling, good in physical size consistency, qualified in appearance and free of defects, the process problem of compression molding of the special-shaped slice grain can be solved, the process is safe and reliable, and the product quality is qualified.

The invention provides a bio-membrane reactor for sewage treatment and a use method. The bio-membrane reactor comprises an anoxic reaction assembly, a pipeline communication assembly, a convection reactor and a precipitation clarification tank, sewage enters the anoxic reaction assembly and enters the convection reactor through the pipeline communication assembly, the pipeline communication assembly is communicated with an air inlet pipe, when water flow flows in the pipeline communication assembly, external air is mixed with sewage in the pipeline communication assembly under the action of atmospheric pressure, and the sewage enters the siphon pipeline assembly through the convection reactor; when the water level of the second convection area reaches the set water level height and stays for a period of time, the siphon pipeline assembly sucks the treated sewage into the sedimentation clarification tank to be settled and purified along with the continuous rising of the water level. The fluidized filler is filled in a partitioned manner, so that the fluidization effect is achieved, and the problems that the filler is easy to block and integrally gathers and escapes in the existing SBBR and MBBR processes are effectively solved.

The utility model discloses magnetic traction roller laminating equipment which comprises a rack and further comprises a jig positioning and adjusting mechanism, a threading assembly mechanism, a stretching mechanism and an electromagnet traction mechanism, the jig positioning and adjusting mechanism is used for positioning and clamping a surrounding screen and adjusting the position of the surrounding screen in the X direction, and the threading assembly mechanism comprises a fixed roller. The stretching mechanism is used for fixing, stretching and guiding the protective film, the end of the protective film is in lap joint with the fixed rolling wheel, and the electromagnet traction mechanism is used for attaching the protective film in place to the surrounding screen. According to the device, all the mechanisms are matched with one another, it is guaranteed that the protective film can be accurately and tightly attached to the surrounding screen, the position and height can be accurately controlled, the automation degree and efficiency of the attaching process are high, the attaching quality can be guaranteed, and therefore the attaching yield of surrounding screen products is increased, and meanwhile the production efficiency is improved.

The invention discloses an integral manufacturing method for characters and patterns on the surface of a keyboard in the technical field of keyboard production and manufacturing. The integral manufacturing method comprises the following steps: step 1, carrying out surface treatment on the surfaces of keys needing to be printed with patterns; 2, printing characters on the surfaces of the processed keyboard keys by using printing equipment; 3, font curing is conducted on the keyboard after the characters are printed, and UV curing is adopted; 4, after the keyboard fonts are cured, printing protection gloss oil is used for brushing; 5, carrying out secondary curing on the keyboard printed with the protective gloss oil, wherein UV curing is adopted; and step 6, detecting the light-cured keyboard, and screening defective products, the overall manufacturing method of the keyboard surface characters and patterns is reasonable in structural design, the cost of manually installing keycaps is reduced, the waste of dead materials and production processes is avoided, the production cost is reduced, and the environmental protection concept is met.

The present invention overcomes the shortcomings of the prior art, provides an integrated structure of a foamed ceramic thermal insulation decorative exterior wall panel, a process and an application thereof, and effectively solves the process problems of production and installation of the combination of wall decorative panels and inorganic thermal insulation panels; in order to solve the above technical problems, it comprises an I-shaped composite component, a foamed ceramic panel and an insulation panel, a plurality of I-shaped composite components are spaced apart in the vertical direction, and foamed ceramic panels and insulation panels are arranged between adjacent I-shaped composite components, foamed ceramic panels are arranged on both sides of each I-shaped composite component, and an insulation panel is arranged between two foamed ceramic panels; the I-shaped composite component comprises a J-shaped component, an M-shaped connector and a U-shaped connector, the two J-shaped components are arranged back to back with a certain gap between them, the lower ends of the two J-shaped components are connected together by the M-shaped connector, and the upper ends of the two J-shaped components are connected together by the U-shaped connector.

This application discloses an etching method, comprising: covering photoresist on a dielectric layer using a photolithography process to expose a target area; etching to a predetermined depth in the dielectric layer of the target area to form various types of trenches, including a first trench corresponding to an OVL mark; during the etching process, controlling the pressure of the reactive gas to flatten the bottom of the first trench; and removing the photoresist. This application solves the problem of a raised bottom in the first trench caused by micro-loading effects by controlling the pressure of the reactive gas to flatten the bottom of the first trench corresponding to the OVL mark during the etching process of the OVL mark and other areas. This avoids process problems caused by unclear OVL marks and improves device yield.

The utility model discloses a detachable low-environment-temperature anti-icing condensate water collecting and draining device which comprises a water pan body, a water collecting tank and a heating piece. A water baffle is arranged on the water pan body, and a first water pan frame, a second water pan frame and a third water pan frame are arranged on the water pan body. According to the technical scheme, condensate water can be effectively prevented from being accumulated in the water collecting tank or frozen at a low environment temperature, even if a water collecting tank drainage hole or a right-angle drainage pipe elbow is blocked and cannot be drained due to additional factors, after the water level of the condensate water exceeds the overflow notch slope, the condensate water can be drained through the overflow notch slope, and the condensate water is prevented from being frozen. The technical problems that in the prior art, condensate water is accumulated easily and cannot be discharged, heat exchange pipes are cracked due to expansion of accumulated ice, and normal use of a unit is affected are effectively solved. And the water collecting tank is upwards fixed at the bottom end of the water pan in a bolt fixed connection mode, and can be effectively and quickly mounted and dismounted.

The application relates to a semiconductor ultra-small flow limiting structure, which comprises a base and a flow limiting member; the flow limiting member comprises at least two flow limiting orifice plates which are sequentially stacked and fixed in a through hole; each flow limiting orifice plate is provided with a longitudinal flow-through hole which is in the same direction as the axis of the through hole; a transverse flow-through groove which communicates with the longitudinal flow-through holes on both sides is formed between the two adjacent flow limiting orifice plates; the adjacent flow limiting orifice plates are closely attached to each other to form a flow limiting channel which is sequentially formed by at least two longitudinal flow-through holes and at least one transverse flow-through groove between all the flow limiting orifice plates; and the flow-through area of the transverse flow-through groove is matched and designed based on the flow limiting capacity of the flow limiting channel. The application adopts the stacked flow limiting orifice plates to form the flow limiting channel, avoids the difficulty of directly machining the ultra-small aperture, has the advantages of being capable of realizing the accurate control of the ultra-small flow of the order of 0.01mm, avoiding the process difficulty of the micro-hole machining, improving the product qualification rate and the production efficiency, and reducing the production cost.

The application provides an APC method, system, medium and product for threshold voltage of an LDMOS device, and belongs to the technical field of semiconductors. The APC method comprises the following steps: providing a substrate; etching a conductive layer and part of a first oxide layer to form a second opening, and obtaining the CD of the second opening and the thickness of the first oxide layer under the second opening; etching to form a third opening; obtaining the process conditions for performing first ion implantation on the current batch of substrates according to the CD of the second opening, the CD of the third opening and the thickness of the first oxide layer under the second opening of the current batch of substrates, combining a first APC model, and performing first ion implantation on the current batch of substrates based on the process conditions to adjust the threshold voltage of the LDMOS device. The application can be used to accurately and timely regulate the threshold voltage of the LDMOS device.

The invention discloses a low-protein natural latex sponge product as well as a preparation method and application thereof, and belongs to the technical field of preparation of natural latex sponge products. The sponge product is prepared from 85-95 parts of low-protein natural latex, 5-10 parts of methyl methacrylate latex, 1-5 parts of a filling agent, 2-3 parts of a vulcanizing agent, 1-3 parts of an accelerant, 0.5-1.5 parts of an anti-aging agent, 1-3 parts of a foaming agent, 1-2 parts of a foam stabilizer, 0.5-2 parts of a heat sensitive agent and 0.1-0.2 part of an antibacterial agent. The heat sensitive agent comprises one or more of polyvinyl methyl ether, polyether polyoxymethylene dimethyl acetal and polypropylene glycol. One or more of the polyvinyl methyl ether, the polyether polyoxymethylene dimethyl acetal and the polypropylene glycol are used as the thermosensitive forming agent for the latex sponge, so that the problem that the gelling and shaping processes are difficult to control in the production process of a natural latex sponge product is solved, the foam latex injection molding process is controllable, the forming process is rapid, and the product quality is reliable.

This invention relates to the field of iron and steel smelting technology, and in particular to a dynamic optimization method for the addition of a large proportion of scrap steel in converter smelting. The method includes calculating the basic available heat and basic required heat for the current heat cycle; dynamically allocating the optimal addition amount and timing for various types of scrap steel; dynamically calculating the amount of heat-replenishing agent and / or the preheating temperature of the scrap steel to generate a heat-replenishing scheme; using an optimization algorithm to solve for and output the optimal dynamic addition scheme for the furnace charge; and dynamically correcting the weighting coefficients of the scrap steel cooling effect coefficient, the comprehensive heat loss coefficient, and / or the comprehensive benefit-cost index. The advantages of this invention are: it integrates dynamic heat balance calculation, multi-dimensional scrap steel evaluation, scrap steel addition timing optimization, and environmentally friendly heat-replenishing agent formulation correction into a single system, constructing a closed-loop intelligent decision-making system capable of responding in real time to fluctuations in molten iron conditions, scrap steel inventory, and market prices; and forming an integrated decision-making system from heat assessment and resource allocation to prescription generation.

A quick-release type phase change heat storage and cold storage inner wallboard system comprises a force bearing structure, a functional layer and a decoration layer, the front side of the force bearing structure and the rear side of the functional layer are connected in a hanging mode through a detachable hanging structure, the force bearing structure is a base layer steel frame, and the functional layer comprises a base material heat preservation composite layer, a cold and hot shared water pipe and a phase change energy storage layer; the base material heat preservation composite layer comprises a hard bottom plate, a foamed plastic heat preservation layer and a heat conduction material layer which are sequentially composited from inside to outside, the cold and hot shared water pipe is arranged in the S-shaped blind groove and attached to the heat conduction material layer, and the phase change energy storage layer is attached to the heat conduction material layer and the cold and hot shared water pipe. The wallboard structure serves as an energy storage building component, has the advantages of a common building material and a phase change material, can absorb and release a proper amount of heat energy, improves heat conduction efficiency by compositing the cold and hot common water pipe and the heat conduction material layer, and meanwhile is provided with the primary keel and the secondary keel to achieve the purpose of quick assembly and disassembly. The phase change energy storage layer system unit can be widely popularized for partition wall installation.

This invention relates to an array ultrasonic testing probe and its testing method for small-diameter hollow shafts. It is used for non-destructive testing of internal channel defects in objects such as small-diameter hollow shafts (inner diameter ≤ 30mm) (e.g., hollow railway axles, hollow aircraft axles, etc.). The testing probe extends into the internal channel (11) of the object being tested (1) for inspection. The testing probe includes a probe base, an acoustic matching device, and a composite cable. The probe base is configured as a cylindrical structure adapted to the hollow inner diameter of the object being tested. This invention incorporates an acoustic matching device with an elastic capsule structure. The pressure of the coupling agent within the elastic capsule is adjusted by a coupling agent supply device to regulate the probe's outer diameter.

The invention relates to an organic glass manned cabin forming process based on truncated icosahedron segmentation and bonding welding, relates to the technical field of manned submersible, and aims to solve the problems that internal stress is generated due to polymerization heat release degradation and non-uniform shrinkage, bubbles are difficult to discharge, flow filling is difficult and the like during integral injection molding of a large-thickness organic glass manned cabin. A spherical manned cabin blank is creatively divided into twelve pieces of regular pentagon-like organic glass sheets and twenty pieces of regular hexagon-like organic glass sheets according to a truncated icosahedron. Each single sheet is independently processed by adopting a mature hot bending forming process, so that the consistency of processing quality is ensured; the outer surface of the combined blank is coated with a high-temperature-resistant airtight film and vacuumized, the combined blank is placed in a bonding chamber, high-pressure hot melting bonding is conducted by applying specific temperature and pressure, and it is guaranteed that the bonding face is evenly stressed while all the single pieces are fused into a whole; and finally, a finished product is formed through annealing treatment and machining, and the full-transparent organic glass manned cabin which is high in quality and resistant to high pressure can be manufactured.

The invention belongs to the technical field of carbon fiber process parameter analysis, and discloses a carbon fiber fishing rod pultrusion process parameter optimization and control method. Comprising the steps that tension distribution data and environment temperature and humidity data of multiple bundles of carbon fibers in the pultrusion process are collected in real time; extracting a sensitive interval of tension fluctuation, and constructing a process stability index; according to the process stability index, identifying an abnormal region of tension fluctuation, associating the abnormal region with the process parameters, and generating a process parameter sensitivity map; determining a search space formed by combining different process parameters by analyzing the relevance between the response mode of the process parameters in the process parameter sensitivity atlas and the process output quality; and performing parameter iterative optimization in the search space, outputting an optimal parameter combination of the pultrusion process, and performing optimization control based on the optimal parameter combination. By dynamically sensing and analyzing process data, active adaptation to raw materials and environment disturbance is achieved, and the problem of fiber tension fluctuation is solved.

The application relates to the field of textile materials and technology, in particular to a high-uniformity webbing device and method for down fibers, which comprises a rack, a dispersing and down-storing mechanism, a webbing mechanism and a conveying mechanism; the dispersing and down-storing mechanism is fixedly installed on the rack, the webbing mechanism is fixedly installed on the rack and below the dispersing and down-storing mechanism, and the conveying mechanism is fixedly installed on the rack and at the left end of the webbing mechanism; the water flow with directional flow carries the down and makes it float and spread on the water surface, the system restricts the distribution range of the down through the adjustable-angle blocking strip, and controls the thickness of the down layer on the water surface through the adjustable-height blocking plate; the water flow is used as a webbing medium, so that the fiber distribution disturbance caused by mechanical vibration, air turbulence and electrostatic adsorption in the dry webbing method is fundamentally eliminated; the down naturally floats and spreads on the water surface along the flow, so that the uniformity is greatly improved, and the process problems such as local accumulation or local thinning are effectively solved.

The present invention provides a device and control method for automatic hose tying and pressure testing, the device comprising a control cabinet, a PLC controller is arranged in the control cabinet; a common interface is arranged at the upper part of the control cabinet, and is used to connect the hose interface; a tying mechanism is driven by a first motor, and the PLC controller controls the first motor to drive the tying mechanism to wind the steel wire around the connecting part of the hose and the hose interface; a clamping mechanism comprises a pressing plate; a hydraulic control unit comprises an oil pump and a first oil cylinder, and the oil pump motor drives the first oil cylinder to drive the pressing plate to rise or fall; a water pressure control unit comprises a water supply tank, a return water tank, a water pump, a water inlet valve, and an exhaust valve. The present invention can automatically realize the tying of the hose and the hose interface, and perform a pressure test on the tying hose, avoiding the influence of unstable tying interface quality caused by manual tying, and timely testing the hose tying interface, thereby improving work efficiency.

The invention discloses a manual rotation damping mechanism which comprises a base, an assembly hole is formed in the base, a main shaft is arranged in the assembly hole, the axial direction of the main shaft extends in the vertical direction, and the main shaft is rotationally matched with the assembly hole; the main shaft is sleeved with a plurality of static damping fins and a plurality of dynamic damping fins, the static damping fins and the dynamic damping fins are sequentially and alternately distributed in the axial direction of the main shaft, the static damping fins are connected with the side wall of the assembly hole, and the dynamic damping fins are connected with the side wall of the main shaft. The static damping fin is in damping fit with the dynamic damping fin; when the main shaft drives the dynamic damping fin to rotate relative to the assembly hole, the static damping fin does not rotate relative to the assembly hole, so that damping force is generated between the dynamic damping fin and the static damping fin. The device is reasonable in structural design, and the position of the vehicle-mounted display screen can be manually adjusted and rotated.

The present invention provides a method for saturated hydrogenation of a C4 fraction, comprising: contacting the C4 fraction with a hydrogenation catalyst, thereby causing a hydrogenation reaction of unsaturated hydrocarbons in the C4 fraction to generate alkanes, wherein the hydrogenation reaction is completed in a reactor, and the hydrogenation catalyst comprises a composite oxide carrier and an active component loaded on the composite oxide carrier, and the active component comprises molybdenum and / or molybdenum oxide and nickel and / or nickel oxide. The present invention can reduce the content of unsaturated hydrocarbons in the raw material and improve the added value of the product by using a molybdenum-nickel-based catalyst with good low-temperature activity to hydrogenate the C4 fraction at a relatively low inlet temperature. In addition, the molybdenum-nickel-based catalyst used in the present invention has strong resistance to impurities and can improve operational stability.

The application discloses a heat treatment process of a thermodynamic auxiliary design Cu-Ni-Fe alloy, and belongs to the technical field of copper alloy heat treatment. The application constructs a thermodynamic model of the Cu-Ni-Fe alloy through first principle calculation, accurately matches the Fe element addition amount and heat treatment process parameters based on thermodynamic calculation, and realizes accurate regulation and control of the alloy organization and performance through steps such as homogenization, solid solution, quenching, grading aging, performance feedback closed loop optimization and the like. The application solves the problems of high development trial and error cost and poor strength and plasticity matching of the traditional Cu-Ni-Fe alloy, the prepared alloy has a tensile strength greater than 1000 MPa and a total elongation at break greater than 43%, and can be widely applied in the field of ocean engineering.

The invention discloses a ceramic large capsule with a topological cavity structure, a preparation method of the ceramic large capsule and application of the ceramic large capsule in a phase change heat storage large capsule, and belongs to the technical field of phase change energy storage. The technical problem that the ceramic shell fin large capsule obtained through a topological optimization method is difficult to apply due to the complex structure in the actual application process is solved. According to the method, the characteristic that the paraffin block has a reverse design structure is utilized, a sacrifice paraffin template method is adopted, a cavity with a topological optimization structure is created in the large ceramic capsule, the process problem that the topological optimization result is made into an internal ceramic fin structure is solved, and the method has the advantages of being rapid and low in cost; the method has great potential in the aspect of large-scale production of complex shapes, and industrial production can be realized. When the ceramic large capsule with the topological cavity structure prepared by the invention is used as a phase change heat storage large capsule, the ceramic large capsule also has the advantages of shortening the heat storage time and improving the heat storage rate.

The invention discloses an aluminum alloy flux-cored wire suitable for electric arc fuse additive manufacturing and a preparation method and application of the aluminum alloy flux-cored wire, and belongs to the technical field of metal materials. An aluminum alloy flux-cored wire suitable for arc fuse additive manufacturing is characterized in that an O-state 1060 aluminum strip is adopted as a coating, and high-purity Mg wires and powder are used for filling; the powder accounts for 3-4% of the total mass of the wire; the powder comprises the following components in percentage by mass: 50-80% of zirconium hydride, 10-20% of zirconium carbide, 5-30% of hexafluorozirconate and 5-20% of potassium fluoroaluminate. According to the method, fine grain strengthening and precipitation strengthening triggered by high Zr content and precipitation strengthening triggered by high Mg content are achieved, and the mechanical property of a sedimentary state material is remarkably improved. The prepared welding wire has the advantages of being uniform in component, smooth in surface and few in impurity, a sample obtained after material adding has high strength and excellent comprehensive performance, and the welding wire can be widely applied to the fields of aerospace, automobile manufacturing and the like.