1986 results about "Molten slag" patented technology

The invention relates to the technical field of laser cutting equipment, in particular to laser cutting equipment for metal honeycomb aluminum plate machining. A cutting bed; the cutting mechanism is assembled on the cutting bed, and the cutting mechanism comprises a laser cutting head which moves in the horizontal transverse direction, the horizontal longitudinal direction and the vertical direction to execute cutting; the linkage rack is fixed on the horizontal longitudinal moving part of the cutting mechanism and extends to the lower part of the cutting bed; and the adsorption fixing frame is fixedly assembled on the cutting bed and is used for adsorbing and fixing the honeycomb aluminum plate so as to prevent the honeycomb aluminum plate from moving. According to the cutting equipment provided by the invention, the problems of non-uniform temperature distribution, existence of temperature gradient, unreasonable cooling position control and the like on the upper plate surface and the lower plate surface when the metal honeycomb aluminum plate is cut are further solved; the cutting quality problems such as plate deformation and layering and slag residues and burrs at the position close to the lower part of the cutting edge of the plate still occur, so that the laser cutting quality of the metal honeycomb aluminum plate is ensured.

The invention discloses a cutting machine for aluminum product production, which relates to the technical field of laser cutting, and comprises a workbench, a workpiece rotating mechanism, a laser cutting mechanism, a laser cutting mechanism and a cutting mechanism, the laser cutting mechanism is installed on the top of the workbench and used for conducting laser cutting on the workpiece; the joint cutting treatment mechanism is installed to shield and collect slag during laser cutting, damage to the inner wall of a workpiece caused by the fact that the high-temperature slag makes contact with the inner wall of the workpiece is avoided, burrs at the cutting position after cutting are treated, the smoothness of the edge is improved, generated waste is collected after treatment, and the waste is recycled. The cutting positions of the two sections of workpieces are trimmed at the same time while the aluminum material is protected in the laser cutting process, the edges of the workpieces do not need to be treated in the later period, the machining time is greatly shortened through integrated operation, and the machining efficiency is improved. And the machining efficiency and the quality of the workpiece laser cutting position are improved.

The invention relates to the technical field of laser cutting, in particular to a laser cutting carrying table and laser cutting equipment. The device comprises a machine body, racks are arranged on the two sides of the bottom of a movable base plate, a vibration assembly is arranged below the racks, and when the movable base plate moves, the racks drive the vibration assembly to knock the surface of a workbench. When the eccentric rod rotates, a hitting ball is driven to hit the surface of the workbench, slag particles left in a supporting plate on the surface of the workbench are loosened, the slag particles adhered and clamped in the supporting plate are blown away in cooperation with an air blowing pipe, and it is avoided that slag splashes into a laser light path, and the cutting precision and quality are seriously affected; the surface of the supporting plate is always kept in a clean state, and the service life of the laser cutting device is prolonged.

The invention discloses laser cutting equipment capable of automatically treating sprayed slag and a cutting process thereof, and relates to the technical field of laser cutting equipment, the laser cutting equipment comprises a bottom frame, a supporting seat is mounted in the bottom frame, and a longitudinal moving device used for driving a transverse moving device to move is fixedly mounted at the top end of the supporting seat. According to the laser cutting device, slag generated by laser cutting can be immediately adsorbed and cleaned tightly along with the laser cutting device in the plate machining process through the adsorption assembly, in order to optimize the cleaning effect, a periodic knocking mechanism is adopted for the adsorption assembly, and the slag is effectively prevented from being attached to the inner wall of the containing box where the slag is stored; a specially configured cleaning structure enables a worker to easily and regularly clean the slag in the placing box, the problem of blockage caused by excessive accumulation of the slag is prevented, so that smooth operation of the system is kept, a safety mechanism of a baffle plate is introduced in the design, and when the adsorption assembly stops working, the baffle plate is prevented from being blocked by the baffle plate. And the baffle automatically seals the bottom outlet of the placing box by virtue of self gravity.

The invention discloses a water jet assisted laser-electrochemical combined machining method which comprises the following steps: pre-treating a nickel-based superalloy to be machined, and fixing the nickel-based superalloy on a machining table; a machining area is positioned, parameters of water jet assisted laser and electrochemical machining are set, so that during laser machining, water jet cools the machining area and removes slag, and an electrolyte does not affect a non-machining area; meanwhile, water jet assisted laser and electrochemistry are started to machine the nickel-based superalloy, and the machining state is monitored in real time; and after composite machining is completed, the nickel-based high-temperature alloy is cooled. By accurately setting laser, water jet and electrochemical machining parameters, the efficient synergistic effect of the laser, water jet and electrochemical machining parameters in a machining area is ensured, the machining precision and the surface quality are effectively improved, the defects of heat affected zones, microcracks, recast layers and the like are remarkably reduced, and the machining quality is improved. And meanwhile, corrosion to a non-machining area is reduced through the mode of spraying the electrolyte in a pulse mode.

The invention belongs to the technical field of laser cutting, and particularly relates to an aluminum veneer automatic horizontal cutting machining device which comprises a workbench and further comprises a cleaning assembly and a cutting assembly, the cleaning assembly comprises a plurality of sets of cleaning shells and a plurality of rotating shafts, and the cleaning assembly achieves cleaning work on slag through the cleaning shells and the rotating shafts; the cutting assembly comprises a cutting base, the cutting base is located above the workbench, and a laser cutting head is fixedly installed at the bottom of the cutting base. According to the automatic horizontal cutting machining device for the aluminum veneer, through the arranged cleaning assembly, during cleaning work, the section and the supporting face of a supporting piece can be cleaned through rotation of the supporting piece in cooperation with a cleaning shell, meanwhile, the side face of the supporting piece can be cleaned through cooperation of a scraping plate and the cleaning shell, and the cleaning efficiency is improved. Therefore, slag on the surface of the supporting piece can be effectively removed, and the supporting effect of the supporting piece is guaranteed.

The invention discloses a laser cutting device, and relates to the technical field of laser cutting, the laser cutting device comprises a mounting rack, a laser cutting assembly used for movable cutting is mounted on the top side of the mounting rack, a sword grid frame used for placing a cutting piece is arranged on the bottom side of the laser cutting assembly, and a waste collecting groove used for collecting cutting waste is formed in the bottom side of the sword grid frame; according to the laser cutting device, through the arrangement of the male plate, the female plate, the steel balls, the inserting block, the scraper, the sliding sleeve and the like, after laser cutting is completed, in the process that the inserting block drives the male plate and the female plate to rotate reversely, a cutting piece is placed on the steel balls after being supported by the L-shaped supporting frame, and the cutting piece is placed on the sliding sleeve; the cutting piece is convenient to move and take, the surface of the cutting piece is prevented from being scratched, molten slag attached to the side faces and the sword peaks of the male plate and the female plate in the rotating process of the male plate and the female plate is automatically cleaned, and the use convenience of the device is further improved.

The invention relates to the technical field of laser rotary cutting, and discloses a laser rotary cutting mechanism for metal part machining. Comprising a laser cutting head connected to the laser rotary cutter, a clamping and rotating mechanism connected to the laser rotary cutter, a movable push block connected to a rack of the laser rotary cutter, a suction pipe installed on the movable push block and a slag suction copper pipe connected to the suction pipe. The arc-shaped scraping plate is arranged in the slag extraction copper pipe and connected with the rotating shaft through the connecting rib, the arc-shaped scraping plate can move along with the extraction pipe, the arc-shaped scraping plate annularly rotates in the slag extraction copper pipe, the arc-shaped scraping plate can effectively scrape metal slag attached to the inner wall, corresponding to the opening, of the slag extraction copper pipe, and the metal slag can be effectively removed through the negative pressure fan of the arc-shaped scraping plate. The scraped metal slag can be smoothly pumped away and cannot be accumulated in the slag pumping copper pipe; and the arc-shaped scraping plate is matched for multiple scraping operations, so that the accumulation thickness of the metal slag on the inner wall of the slag pumping copper pipe is avoided, and the problem of pipeline blockage or unsmooth pumping caused by slag accumulation is reduced.

The invention discloses a pure smelting method for nickel-based superalloy, which relates to the technical field of metal smelting and comprises the following steps: (1) screening high-purity raw materials; (2) selecting a vacuum induction melting furnace and carrying out vacuumizing treatment; (3) sequentially adding the pretreated raw materials into a vacuum induction melting furnace, and heating and melting the raw materials; (4) carrying out electromagnetic stirring; (5) preparing special electroslag, and drying and crushing the electroslag; and (6) casting the alloy liquid subjected to vacuum melting into a consumable electrode, inserting the consumable electrode into the slag of the electroslag remelting furnace, and electrifying. According to the design scheme, impurities in the nickel-based superalloy are effectively removed, the purity and uniformity of the alloy are improved, the mechanical property and thermal stability of the alloy are improved, the service life is prolonged, and a better purification effect is achieved.

The invention relates to the technical field of plasma cutting equipment, and discloses metal plate cutting equipment which comprises a bottom frame, a cutting mechanism, a cleaning mechanism and a collecting mechanism, the cleaning mechanism comprises a mounting plate, a polishing plate, an extrusion spring, an abutting plate and a water cooling assembly, and the mounting plate is slidably connected to the bottom frame through the collecting mechanism; a mounting groove is formed in the mounting plate, the extrusion springs are fixedly connected to the bottom and the top in the mounting groove, the abutting plate is fixedly connected to the extrusion springs, the grinding plate is detachably mounted on the abutting plate, the collecting mechanism is used for collecting slag falling during grinding, and the cutting mechanism is used for cutting a metal plate. The cleaning mechanism is arranged to be matched with the collecting mechanism, after the metal plate is cut, slag and burrs on the upper surface and the lower surface of the metal plate are polished, the burrs and the slag on the surface of the metal plate are removed and collected, and therefore the situation that the burrs and the slag remain on the surface of the metal plate, and the subsequent plate machining quality is affected is prevented.

The invention relates to the technical field of metal laser cutting, in particular to laser cutting equipment for metal cutting and a method thereof.The laser cutting equipment comprises a laser cutting mechanism, the laser cutting mechanism comprises a machine tool, a console is fixedly connected to the right side of the machine tool, and sliders are movably mounted on the front side and the rear side of the top of the machine tool correspondingly; a sliding rail frame is fixedly connected to the top of the slider, a laser controller is movably installed on the surface of the sliding rail frame, a laser cutting head is fixedly installed on the right side of the bottom of the laser controller, and a cutting groove is formed in the top of the machine tool. Slag is shoveled through a shoveling plate in the movable cleaning mechanism, the slag adhered due to high temperature can be cooled through an extrusion water outlet assembly, and meanwhile, the adhered slag is shoveled in cooperation with a front-back moving assembly; and waste gas generated by the slag is filtered through an activated carbon filter plate in the waste gas treatment mechanism.

The invention discloses a coal gasification slag-based backfill material for replacing flow-state solidified soil, a preparation method and an application, utilizes a synergistic gelling effect among three raw materials, breaks through a material strength forming mechanism of traditional flow-state solidified soil, solves the problems of multiple components and high cost of a flow-state solidified soil material in the prior art, and has the advantages of low raw material cost, low raw material cost, low raw material cost, low raw material cost and the like. And the product popularization is facilitated. The specific scheme is as follows: the coal gasification slag-based backfill material for replacing the fluidized stabilized soil comprises coal gasification slag, carbide slag and titanium gypsum, the ratio of the coal gasification slag to the carbide slag to the titanium gypsum is 6-8: 1.5-3.5: 0.5-1.5, and an alkaline activator is also added; the coal gasification slag is a slag block with a set particle size formed after slag at the bottom of a gasification furnace is cooled, the carbide slag is waste slag which takes calcium oxide as a main component after acetylene gas is obtained by hydrolyzing calcium carbide, and under the action of an exciting agent, the coal gasification slag and the carbide slag are fully activated to release polyhedrons; part of the polyhedrons form a gelling product so as to improve the early strength of the coal gasification slag-based backfill material.

The invention discloses a method for realizing metallurgical slag viscosity prediction by using molecular dynamics simulation, and belongs to the technical field of metallurgical slag viscosity prediction. The method comprises the following steps: carrying out molecular dynamics simulation by adopting Lammps software according to specific components of a slag system, and obtaining the oxygen bond type and the oxygen bond molar content of the slag by using Matlab software; creatively adopting a radial basis function interpolation method to establish an oxygen bond molar content database of continuous component change in the slag system range; and inputting the oxygen bond molar content of the to-be-predicted slag obtained from the database into the deduced and modified slag viscosity prediction equation to obtain a predicted value of the viscosity of the to-be-measured slag. According to the method, interference of external environmental factors is avoided through a molecular dynamics simulation method, and meanwhile, the flow mechanism of a slag network structure is considered, so that the data precision and efficiency are improved, and the cost is greatly reduced.

The invention discloses a high-strength high-temperature alloy and a preparation method thereof. The high-strength high-temperature alloy comprises a high-temperature alloy matrix and rare earth oxides dispersed and distributed in the high-temperature alloy matrix. The high-temperature alloy matrix is GH4169, and the high-temperature alloy matrix is made of The rare earth oxide is one or two of La2O3 and Ce2O3, the particle size of the rare earth oxide is 50-500nm, and the total adding amount of the rare earth oxide is 0.02-0.03% of the mass of the alloy; the preparation method of the high-strength high-temperature alloy comprises the following steps: (1) preparing rare earth oxide particles; (2) charging and smelting rare earth oxide particles and alloy raw materials in a vacuum induction furnace, and casting into ingots after the components are qualified; (3) electroslag remelting: adding analytically pure rare earth oxide into a slag system; and (4) the electroslag ingot is subjected to homogenization, forging and solid solution aging treatment, and then the alloy is obtained. According to the method, the strength and plasticity of the high-temperature alloy are improved.

The invention discloses an all-component comprehensive utilization method for leaching residues of a laterite-nickel ore high-pressure acid leaching process, and belongs to the technical field of solid waste resource utilization. The method comprises the following steps: granulating and sintering the iron-containing slag of the laterite-nickel ore high-pressure acid leaching process and raw materials containing coke powder, a flux and return mine to obtain sintered ore and sulfur dioxide flue gas; sulfur dioxide is used for preparing sulfuric acid and returned to the laterite-nickel ore high-pressure acid leaching procedure; smelting the sintered ore, coke and a slag modifier through a blast furnace to obtain molten iron and slag; the molten slag is subjected to cold quenching, and granulated molten slag is obtained; and after being ground, part of the granulated slag is mixed with the granulated slag and auxiliary materials containing an alkali activator and tailings in the laterite-nickel ore high-pressure acid leaching process to serve as a backfill material. By means of the method, low-consumption, efficient and large-scale all-component comprehensive utilization of the leaching residues of the laterite-nickel ore high-pressure acid leaching process can be achieved, 100% resource utilization of the residues is completed, and the method has considerable industrial popularization potential.

The invention belongs to the technical field of steel smelting, and particularly discloses a comprehensive utilization method of vanadium titano-magnetite, which comprises the following steps: S1, preparing the vanadium titano-magnetite into pellets, and carrying out reduction reaction to obtain direct reduced iron; s2, a carbonaceous reducing agent and the direct reduced iron obtained in the step S1 are mixed and smelted in a melt separation electric furnace, and slag and molten iron are obtained; a slag former is not added in the smelting process, the purity of the titanium slag is improved through optimal design of the furnace profile of the melting electric furnace and combination of various smelting process control means, the problems that refractory materials of the melting electric furnace are excessively eroded, the service life is short, slag-metal separation is difficult, smelting is difficult to control and the like are solved, and the purposes of high-grade titanium slag and long service life of the melting electric furnace are achieved.

The invention discloses a method for efficiently smelting molten iron through electric furnace melting separation of medium-low-grade iron ore direct reduction iron, which comprises the following steps: (1) uniformly mixing and blending different kinds of medium-low-grade iron ore to prepare oxidized pellets; (2) adopting a hydrogen-based shaft furnace to carry out hydrogen-based reduction, so as to prepare medium-low-grade DRI; and (3) the medium-low-grade DRI is subjected to hot charging and hot conveying to a melt separation electric furnace, carbon and a tempering agent are added for melt separation, and after melt separation is completed, high-purity molten iron and molten slag are obtained through slag-iron separation. According to the method, a small amount of carbon is adopted for reducing the medium-low-grade DRI, the melting temperature is reduced by adding the tempering agent, the high-purity molten iron is obtained, and the problems that the low-grade DRI is fed into an electric furnace for steelmaking, too many impurities exist, and power consumption is too large are remarkably solved.

The invention relates to the technical field of die forging, and discloses large die forging special die forging equipment which comprises a workbench, a cooling table and a forging table are fixedly mounted above the workbench, mounting inner sliding seats are symmetrically and fixedly mounted at the top of the workbench, and electric sliding blocks are slidably connected to the interiors of the two mounting inner sliding seats; a clamping assembly is arranged on one sides of the two electric sliding blocks, a sweeping assembly for sweeping away slag on the upper portion of the forging table is arranged on one side of the upper portion of the forging table, and a turnover assembly is arranged on one sides of the two mounting inner sliding seats. The cleaning assembly can be driven to work even if the forging table is in the forging state, the cleaning assembly can correctly and rapidly sweep out slag left above the forging table, the situation that the residual slag adheres to the bottom face of the forging die, consequently, the slag is embedded into the surface of the die, and convex points or concave pits are formed is avoided, and the size and shape precision of a forging piece is guaranteed.

The invention belongs to the technical field of slag metallurgy, and relates to a coprocessing method for copper smelting slag and zinc leaching slag, which comprises the following steps: S1, mixing the copper smelting slag, the zinc leaching slag, a vulcanizing agent and a flux to obtain a mixture; introducing a mixture of pulverized coal and air, and reacting at 1150-1300 DEG C for 2-4 hours to obtain a gas phase, a slag phase and matte; s2, the gas phase is subjected to dust removal, and zinc oxide smoke dust rich in zinc, lead and silver is obtained; zinc is leached from the zinc oxide smoke dust through a wet method; and S3, the slag phase is subjected to slow cooling, ore grinding and copper flotation, copper concentrate is obtained, and gold, silver and copper elements are recycled. According to the method, heat of the high-zinc hot-state copper smelting slag is used for processing the high-copper normal-temperature zinc hydrometallurgy slag, and the slag processing energy consumption of the zinc hydrometallurgy slag is reduced. Through mixing treatment, lead and zinc in the mixed slag enter the secondary zinc oxide smoke dust to be recovered, and the recovery rate of the lead and the recovery rate of the zinc both reach 80% or above; and the total recovery rate of copper in the mixed slag is greater than 85% after copper enters matte recovery.

The invention provides a self-heating tempering and valuable metal partition recycling method for copper smelting slag. The method comprises the steps that S1, a slag tempering agent is prepared from industrial sulfate waste and a low-cost carbonaceous reducing agent; s2, in the copper smelting matte smelting deslagging process, a tempering agent is added into molten slag, and phase adjustment reaction is completed through latent heat of the molten slag; s3, after the slag is slowly cooled, classifying the upper part and the lower part of materials in the slag ladle, and performing conventional crushing, ore grinding and flotation on the upper part to recover valuable metals; and S4, the lower part of sulfonium-rich slag enters a direct return smelting system or is crushed and levigated, and then copper concentrate is recycled through magnetic separation-reverse flotation. According to the copper smelting slag self-heating tempering and valuable metal partition recycling method, synergistic low-carbon treatment is conducted on copper smelting slag and sulfate waste residues according to the concept of treating waste with waste, the method has the advantages of being high in metal recycling rate, low in cost, environmentally friendly, simple in process and material and the like, good economic benefits and environmental benefits are achieved, and the industrial popularization difficulty is small.

The invention relates to the technical field of metal plate processing and cutting, and discloses a metal plate processing and cutting device which comprises a mounting frame, a feeding and discharging assembly is arranged on the rear side of the mounting frame, a to-be-cut placing block is fixedly connected to the rear left side of the mounting frame, and a cut placing block is fixedly connected to the left side of the to-be-cut placing block. The device comprises a mounting frame, a placing frame assembly is arranged in the mounting frame, a cutting assembly is arranged at the top end of the mounting frame, a screening assembly is arranged on the inner bottom wall of the mounting frame, a protection frame is fixedly connected to the top end of the mounting frame, and a smoke discharging and dust removing assembly is arranged at the top of the protection frame. A metal plate can be accurately cut according to a preset path through the laser cutter under the control of the numerical control module, deviation and temperature change of a laser beam are monitored in real time through the sensor, and large metal waste and small slag can be automatically separated through reciprocating knocking driven by the cam and continuous vibration of the screen.

The invention discloses a hooklift arm beam tailor-welding tool and tailor-welding method, and relates to the technical field of welding assistion.The hooklift arm beam tailor-welding tool comprises a tailor-welding workbench, a vertical arm body, a horizontal arm body and a welding clamp component, and the top of the tailor-welding workbench is fixedly connected with a supporting plate. During use, a driving motor drives a clamping side plate to fix a vertical arm body and a horizontal arm body, meanwhile, a sliding rod and a clamping top plate are matched to achieve all-directional clamping, resist residual stress in welding cooling, keep the shape and size of a pull arm and improve the percent of pass, when clamping is nearly completed, gears are meshed through a translation plate and a connecting rod, and the clamping effect is improved. The eccentric ring groove is matched with the supporting cylinder to collide and vibrate the welding position, residual stress is redistributed and released, the production cycle is shortened, the strength and stability of the pull arm are improved, in addition, through the matching of the third connecting rod and the sliding block, slag, oxide skin and the like on the surface of a weld joint are cleaned before vibration, stress concentration and crack propagation are avoided, and the welding quality is guaranteed.

The invention discloses a modification method for obtaining melt separation titanium slag based on a hydrogen-based shaft furnace reduction-melt separation process, and belongs to the technical field of titanium-containing melt separation slag modified.The method specifically comprises the steps that S1, high-titanium vanadium-titanium pellets are prepared; s2, high-titanium type vanadium-titanium metallized pellets are prepared, and reduction is conducted through a hydrogen-based shaft furnace; s3, the high-titanium type vanadium-titanium metallized pellets are subjected to melt separation, and titanium-containing melt separation slag is obtained; s4, the titanium-containing molten slag is subjected to modification treatment of silicon extraction and magnesium reduction, and anosovite phase precipitates are obtained; the method provided by the invention lays a foundation for pure steel production; impurities in the smelting process are few, and products are pure; a hydrogen reduction gas product (water) is easy to separate and treat, so that clean production can be realized; iron is extracted and other valuable components are enriched at the same time; when the vanadium titano-magnetite is subjected to hydrogen reduction, TiO2 cannot be reduced, and separation of iron and titanium components in the subsequent process is facilitated.

The invention relates to the technical field of laser cutting equipment, and discloses galvanized coiled plate cutting equipment which comprises a mounting frame, a guide rail structure, a cutting structure, a conveying structure, an intercepting toothed plate, a slag removal fan and a discharging structure. The cutting structure comprises a cutting seat, a laser cutting head, a separated protective cover, the intercepting toothed plate, the slag removal fan and the discharging structure; the separated protective cover is formed by splicing a plurality of splicing covers. Each splicing cover comprises an outer cover plate, an inner air box, a limiting plate, a limiting spring and an air supply hose. When the device is used, high-pressure air is blown out of the inner air box to form a protective air curtain on the splicing cover, the annular air cover and the laser cutting head, and therefore the situation that slag splashes and is intercepted, and zinc steam adheres to the splicing cover, the annular air cover and the laser cutting head can be prevented; and air is forced to be discharged along the cutting seam by the closed space formed by the separation type protective cover, so that the blowing force of the airflow to the lower edge of the notch is enhanced, and the adhering slag can be forcibly stripped.

The invention discloses a system for preparing a green cementing material by thermal coupling of metallurgical slag. Comprising a reaction furnace for receiving the hot blast furnace slag and the hot steel slag, and a stirring device for stirring the hot slag in the reaction furnace, the cooling and granulating system is used for receiving the hot-state slag from the reaction furnace and carrying out cooling and granulating treatment on the hot-state slag; and the grinding system is used for receiving slag particles from the cooling and granulating system and carrying out grinding on the slag particles. According to the system for preparing the green cementing material through metallurgical slag thermal-state coupling, after steel slag is subjected to thermal-state coupling modification, the cementing activity of steel slag micro powder is remarkably improved, especially the early activity is greatly improved, and the S95-level performance requirement of the slag micro powder is met; the content of f-CaO in the steel slag is greatly reduced, and the problem of volume stability of a steel slag product is solved. The invention further discloses a method for preparing the green cementing material through metallurgical slag thermal-state coupling.

The invention discloses laser cutting equipment and a cutting method for metal materials, and relates to the technical field of laser cutting equipment.The laser cutting equipment comprises a machine table, a laser cutter is arranged at the top of the machine table, the laser cutter comprises a shell, and a laser cutting head is installed in the shell; a rotating disc rotating around the laser cutting head is arranged on the edge of the laser cutting head, and an air supply spray head is fixedly installed on one side of the bottom of the rotating disc. According to the laser cutting equipment, the air supply spray head capable of rotating around the laser cutting head is arranged, materials are cleaned before cutting, and the air supply spray head is located behind the laser cutting head during cutting, so that residual slag in a notch is cleaned, the temperature difference between the notch and other parts of the materials is reduced, and then thermal stress is reduced; according to the cutting method matched with the cutting device, the material is preheated through low-power laser before cutting, and the thermal stress in the cutting process is further reduced.

The invention discloses a laser machine for machining a steel fireproof door, and relates to the technical field of laser cutting machining of steel fireproof doors. The laser machine for machining the steel fireproof door comprises a bearing lathe bed, a laser cutting system arranged on the upper portion of the bearing lathe bed, two C-shaped rail seats fixedly connected to the front and back opposite sides of the bearing lathe bed correspondingly, and a groove-shaped workbench connected between the two C-shaped rail seats in a sliding mode. A self-pushing and auxiliary scraping integrated mechanism used for automatically pushing out a machined steel fireproof door blank plate and cleaning slag on a saw-shaped metal supporting strip is arranged on the left portion of the upper end face of the bearing lathe bed. The groove-shaped workbench drives the door blank plate to move back to trigger a self-scraping assembly to automatically clean slag dripping on the saw-shaped metal supporting strip. Slag accumulation and solidification are avoided, the problem of tilting or inclining is solved, it is ensured that a door blank plate is flatly placed on the workbench, a laser cutting head is perpendicular to the surface of a workpiece, it is ensured that a laser beam cuts at an accurate angle, and the accuracy of cutting machining is improved.

The invention discloses a method for obtaining hydrogen solubility in slag based on microstructure analysis, and belongs to the field of high-temperature melt physical property characterization. The method comprises the following steps: determining initial components of a simulation system; establishing an initial structure model of the water molecule-containing slag system; determining a potential function for describing the simulation system; simulation calculation parameters are set, LAMMPS software is operated for simulation calculation, and simulation result data such as an atomic coordinate file and free energy of a simulation system are obtained; the atomic coordinate file is imported into visual software for statistical analysis and visual processing, and microstructure information of the slag is obtained; and calculating the hydrogen solubility of the slag according to simulation result data such as free energy. According to the method, the microstructure information of the atomic scale of the slag and the hydrogen solubility of the slag are calculated by adopting a molecular dynamics simulation method, so that the blank of experimental data can be filled, theoretical guidance is provided for controlling the hydrogen content of the slag, and a theoretical foundation is laid for controlling the hydrogen content of the molten steel.

The invention discloses a continuous nickel smelting method and equipment, the equipment comprises a smelting furnace, an electric furnace and a converting furnace, the smelting furnace is provided with a feeding port and a reducing agent and vulcanizing agent feeding port, and one side of the electric furnace is directly communicated with the bottom of one side of the smelting furnace; one side of the converting furnace is directly communicated with the bottom of the other side of the smelting furnace, the heights of the furnace bottoms of the electric furnace, the smelting furnace and the converting furnace are sequentially reduced, the lower part of the smelting furnace is provided with a molten pool reaction area with a copper water jacket for cooling, the molten pool reaction area is provided with a group of primary tuyeres, and the group of primary tuyeres is provided with a group of secondary tuyeres. The upper part of the smelting furnace is provided with a group of secondary tuyeres; and the converting furnace is provided with a spray gun. According to the invention, the laterite-nickel ore smelting, settling separation and blowing functions are simultaneously realized by one furnace partition, a blowing furnace and a settling electric furnace do not need to be independently configured, and the maximum utilization of the sensible heat of the slag is realized.

An oxyide dispersion-strengthened (ODS) alloy is disclosed that is compatible with melt-based additive manufacturing processes, such as laser powder bed fusion (L-PBF) while achieving material properties, such as resistance to frictional ignition, comparable to or better than wrought ODS alloys. This is accomplished, in part, by adjusting the composition of the ODS alloy and / or adjusting the operating parameters of the additive manufacturing process to reduce or, in some instances, mitigate dispersoid coarsening and slag formation. For example, a nickel (Ni)-based ODS alloy may include less than 0.3 wt % aluminum (Al) to reduce the formation of low melting point oxides that are prone to coarsening and slag formation. In another example, various processing parameters associated with a selective laser melting process, such as beam power, beam spot size, and scan speed, may be chosen to reduce a melt time associated with the additive manufacturing process.