1224 results about "Molten slag" patented technology

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 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 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 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.

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.

The invention discloses a laser cutting device for steel plate machining, and particularly relates to the technical field of laser cutting, the laser cutting device for steel plate machining comprises a supporting leg and a storage box arranged on the side edge of the supporting leg and used for bearing a cut steel plate, and the upper portion of the supporting leg is provided with a plurality of first racks which are parallel to one another and used for supporting the steel plate to be cut; a cutting platform is further arranged on the upper portions of the supporting legs, a protective frame used for bearing slag generated in the welding process is further arranged below the supporting legs, and a jacking mechanism is arranged on the rear portion between the protective frame and the first rack. According to the laser cutting device for steel plate machining, a cut steel plate is turned over and slides into the storage box to be collected in the process of removing slag on the surface of the first rack through the arranged slag removing mechanism, and the phenomenon that scratches are formed on the surface of the steel plate by tooth tip edges of the first rack due to traditional manual dragging discharging is avoided; meanwhile, heavy physical labor is replaced, and the manual labor intensity is reduced.

The invention relates to the technical field of arc cutting, in particular to arc cutting equipment for metal distribution box machining, which comprises a horizontally arranged fixed mounting disc, a plurality of fixed mounting plates are arranged on the edge of the fixed mounting disc at equal angles, fixed mounting holes are formed in the fixed mounting plates, and a plurality of buffer rubber rings are arranged on the upper side of the fixed mounting disc. A supporting mounting column is arranged on the lower side of the fixed mounting disc. The cutting device further comprises a rotating displacement mechanism, a follow-up adjusting displacement mechanism, an adjusting cutting module and an accompanying processing module. According to the equipment, precise space positioning of the cutting head is achieved through a multi-stage adjusting mechanism, the cutting precision and quality are effectively improved, a unique accompanying treatment system can recover slag and filter smoke in real time, operation safety and environment friendliness are guaranteed, the overall automation degree is high, adaptability is high, installation can be flexible, and the equipment is suitable for distribution boxes of various specifications; the three functions of precise cutting, slag recovery and flue gas treatment are integrated, and synchronous cutting and treatment are achieved.

The application discloses a laser cutting machine, and relates to the technical field of cutting equipment, which comprises a rack, a grid placed on the rack and a slag cleaning mechanism moving linearly along the rack, wherein the slag cleaning mechanism is provided with a rotary cleaning assembly capable of jumping up and down; the rack is provided with a wavy guide rail along the moving direction of the slag cleaning mechanism; and the rotary cleaning assembly can jump up and down along with the wavy guide rail during the linear movement of the slag cleaning mechanism along the rack, so as to keep adhering to the grid with sawtooth tips. The rotary cleaning assembly can jump up and down along with the sawtooth tips of the grid, so that the rotary cleaning assembly can always adhere to the grid during the linear movement of the slag cleaning mechanism along the rack, and the slag remaining on the grid can be scraped off through rotation, so that the slag remaining on the grid can be thoroughly and efficiently removed.

The utility model relates to a sword grid slag removal splash-proof mechanism for alloy plate laser cutting, and effectively solves the problems that an existing laser sword grid slag remover is time-consuming and labor-consuming, reduces cutting efficiency and cannot effectively prevent slag from splashing. According to the sword grid slag removal splash-proof mechanism for alloy plate laser cutting, the top ends, attached with slag, of sword grid plates can be overturned to the bottom ends through the overturning mechanism, the first transverse driving mechanism and the second transverse driving mechanism can drive the slag removal mechanism to sequentially clean the slag attached to the side faces of the adjacent sword grid plates, cleaning is more thorough, manual operation is not needed, and the labor intensity of workers is reduced. Slag can be cleaned at any time, and a large amount of slag can be prevented from being accumulated on the sword grid plate, so that the slag generated during cutting is effectively prevented from splashing, and the good quality of the plate is guaranteed; and the sword grid plate can be cyclically overturned after cutting is conducted for a period of time, it can be guaranteed that laser cutting work is continuously conducted, slag on the sword grid plate can be cleaned in time, operation of the laser cutting machine cannot be affected, and the working efficiency is improved.

The invention relates to the technical field of welding materials, and particularly discloses a high-temperature-resistant flux-cored wire containing rare earth elements and a preparation method of the high-temperature-resistant flux-cored wire. The high-temperature-resistant flux-cored wire containing the rare earth elements comprises a welding wire skin and a flux core. The flux core comprises the following raw materials of dehydrated rutile, dehydrated potassium feldspar, zircon sand, metal chromium powder, metal nickel powder, electrolytic manganese, ferrotitanium, ferro-aluminum, potassium cryolite, potassium titanate, sodium titanate, fine iron powder, yttrium-based iron alloy powder, atomized ferrosilicon, nitrided ferrochrome, bismuth oxide, auxiliaries and the balance reduced iron powder. The auxiliary agent is a mixture of a zirconium-iron alloy, a titanium-iron alloy and an aluminum-magnesium alloy. A specific alloy auxiliary is introduced into the flux core to protect stable transition of rare earth yttrium, yttrium and multiple components synergistically optimize the weld joint performance, 253MA heat-resistant steel is matched, slag and electric arc regulation and control components and a reasonable process are matched, and the welding quality of the welding wire is improved.

The invention discloses a yielding crystallizer for an electroslag smelting casting three-dimensional variable curved surface casting and an electroslag smelting casting method, and belongs to the field of electroslag smelting casting. The receding crystallizer comprises a crystallizer body formed by combining a plurality of crystallizer blocks, internal molded surfaces of the crystallizer body are combined to form a crystallizer cavity, and the crystallizer cavity is used for containing molten metal and forming a casting with a three-dimensional variable curved surface; the receding structure is arranged on at least one crystallizer sub-block and is configured to allow the crystallizer sub-block to move in the preset direction in the solidification and shrinkage process of the casting so as to avoid shrinkage deformation of the casting; and the slag stopping structures are arranged between the adjacent crystallizer blocks and are used for sealing gaps generated by displacement after the crystallizer blocks are subjected to yielding displacement, so that slag leakage is prevented. The receding crystallizer can automatically receding when hindering deformation of a casting, space needed by metal shrinkage is provided in the electroslag casting process, and the finished product quality of the casting in the complex shape is improved.

The invention relates to a preparation method of a refractory material, in particular to a preparation method of a high-corrosion-resistance low-carbon magnesia-carbon refractory material. The high-corrosion-resistance low-carbon magnesia-carbon refractory material is prepared from fused magnesite aggregate, fused magnesite fine powder, Ti3SiC2 powder, crystalline flake graphite, corundum slag and phenolic resin. The prepared low-carbon magnesia-carbon refractory material has excellent oxidation resistance and slag corrosion resistance, the service life of the magnesia-carbon refractory material under the large scrap ratio smelting condition can be prolonged, and the cost is reduced from the perspective of refractory raw materials, so that the low-carbon magnesia-carbon refractory material has high economic benefits, meanwhile, the carbon content of the refractory material is lower, and the cost is lower. And high-temperature industrial carbon emission can be reduced. The oxidation index of the magnesia-carbon refractory material is 20-30% after the magnesia-carbon refractory material is oxidized in an air atmosphere of 1600-1700 DEG C for 2-5 h; and after the magnesia-carbon refractory material is eroded for 1-3 hours under the dynamic slag condition of 1600-1700 DEG C, the erosion index of the magnesia-carbon refractory material is 0.5-4%.

The invention discloses a laser cutting device for processing a printed circuit board, relates to the technical field of cutting devices for circuit boards, and solves the technical problems that molten slag at a cutting part is blown away by utilizing airflow, the molten slag with temperature may be blown to other parts of the surface of the circuit board, and additional damage is caused. Comprising a workbench, a vertical moving module is arranged above the workbench, and a laser cutting head is arranged on the front surface of the vertical moving module; the suction cooling mechanism is mounted on the outer side of the laser cutting head; external air can be sucked through negative pressure, the laser cutting part of the circuit board generates flowing airflow, slag generated by laser cutting of the circuit board is sucked, the flowing airflow is cooled, the laser cutting part of the circuit board is cooled while the slag is sucked, the heat influence of the circuit board is reduced, the sucked slag is cooled through cooling gas, and the service life of the circuit board is prolonged. When the molten slag is collected, the temperature of the molten slag is prevented from damaging a filtering part in the collecting barrel, and the molten slag can be better filtered and discharged conveniently.

The invention discloses a slag removal device for short material cutting. The slag removal device comprises a machine base, a first translation mechanism, a lifting mechanism, a movable table, a slag suction pipe, a slag suction block, a slag baffle, a bearing plate and a material returning plate. The first translation mechanism is arranged on the machine base; the lifting mechanism is arranged at the output end of the first translation mechanism; the movable table is arranged at the output end of the lifting mechanism; the slag suction pipe is horizontally arranged on the movable table; a first air inlet is formed in the peripheral wall of one end of the slag suction pipe, and the other end is connected with the air draft system through the primary filter box; the slag suction block is inserted into the side wall of the slag suction pipe; the slag baffle is detachably arranged below the slag suction pipe; the bearing plate is detachably arranged on the slag suction pipe; the material returning plate is arranged on the machine base, and when the slag suction pipe moves away from the laser pipe cutting machine in the axial direction, the material returning plate enables the short materials to be separated from the slag suction pipe through the limiting effect. According to the slag removal device for short material cutting, through dynamic cooperation of the slag suction pipe and the cutting point position, online slag removal is achieved, and the cleanliness of the inner wall of the short material is improved.

The invention discloses a valve body laser cutting device and method. The method comprises the steps that low-duty-ratio pulse scanning is conducted on the outer wall of a valve body to generate a guide groove with a surface tension gradient and corrugated textures; spraying inner and outer double-layer pulse airflow according to the characteristics of the guide groove, and respectively forming a periodic negative pressure cavity and positive pressure barriers on two sides at the bottom of the groove; spiral track continuous laser cutting is executed under the action of double-layer airflow, transverse ultrasonic waves forming a three-to-four resonance relation with inner-layer pulse airflow are applied, standing wave diversion is established on the surface of a molten pool, and a kerf penetrating through the wall thickness is obtained; when the kerfs are cut through, the airflow is synchronously switched into negative pressure suction, and ultrasonic waves are changed into traveling waves so as to remove residual molten drops; and low-power rapid scanning is conducted on the inner wall of the kerf through waste heat of the valve body, pulsating inert airflow is injected at the same time, and the residual film is alternately stripped through laminar flow and micro-turbulent flow. According to the scheme, under the condition that extra cooling or chemical treatment is not added, slag rewinding can be restrained.

The invention relates to the technical field of electric vehicle frame production, in particular to laser cutting equipment for electric vehicle frame production, which comprises a machine table, a pushing mechanism, a laser cutting machine and a discharging mechanism, according to the laser cutting equipment for electric vehicle frame production, by arranging the discharging mechanism, an inner supporting rod is driven to reciprocate, relative friction motion is formed between a bag body abrasive paper layer and a cutting area, high-temperature molten slag generated in the cutting process is removed in real time, and the situation that the high-temperature molten slag is condensed and solidified on the inner wall of a pipe fitting to form hard hanging slag is prevented; meanwhile, finishing machining is carried out on the cutting seam, and the surface roughness is controlled within Ra3.2 microns; in addition, a slag blocking area can be constructed through the annular sealing effect of the bag body, and splashing and diffusion of slag in the inner cavity of the pipe fitting are effectively restrained.

The invention discloses a laser pipe cutting machine with an adaptive end slag cleaning mechanism, and relates to the technical field of laser pipe cutting, the laser pipe cutting machine comprises a cutting frame, a storage frame and a transmission frame, with the cutting frame as the center, the storage frame is mounted on one side, and the transmission frame is mounted on the other side; according to the laser pipe cutting machine, through the innovative design, slag is effectively collected in the cutting process, self-adaptive grinding and cleaning are conducted on the inner wall of a pipe through the friction block after cutting is conducted, and therefore the cutting quality and the cleanliness of the inner wall of the pipe are remarkably improved; compared with the prior art, the friction block polishing and cleaning mechanism has the advantages that the friction force and position can be automatically adjusted according to the actual condition of the inner wall of the pipe, residual slag is effectively removed, a good foundation is provided for subsequent machining, compared with the prior art, the friction block polishing and cleaning mechanism has higher cleaning efficiency and better cleaning effect, and the overall performance of the laser pipe cutting machine can be remarkably improved.

The application relates to the technical field of laser cutting, in particular to an aluminum plate laser cutting device, which comprises a supporting mechanism, a laser cutting mechanism and a gas injection mechanism.The supporting mechanism comprises multiple groups of supporting plates used for supporting the aluminum plate, the area of the end of the supporting plate in contact with the aluminum plate is smaller than the area of the end of the supporting plate far away from the aluminum plate; the laser cutting mechanism is located above the aluminum plate and is used for cutting the aluminum plate; the gas injection mechanism is arranged on the laser cutting mechanism and is used for outputting compressed gas flow at the cutting position; the cleaning mechanism comprises a supporting seat slidingly arranged below the aluminum plate, a scraper arranged on the supporting seat and a moving assembly used for moving the supporting seat on the supporting seat, and the scraper is used for removing the molten slag at the cutting position of the aluminum plate.The application has the effect of reducing the influence on the aluminum plate processing.

The utility model relates to the technical field of slag removal, in particular to a sword gate slag removal device of steel plate cutting equipment, which comprises a workbench provided with sword gate bars, a control system is arranged on the workbench, a sword gate slag removal mechanism is arranged on the sword gate bars, and the sword gate slag removal mechanism is driven by a sword gate slag removal transverse moving mechanism. The sword grid slag removal transverse moving mechanism is driven by the sword grid slag removal longitudinal moving mechanism, the sword grid slag removal mechanism comprises a supporting roller, a slag removal frame, a slag removal component and a beating component, a supporting buffering mechanism is arranged on the supporting roller, and the supporting buffering mechanism comprises an adjusting plate, a bearing seat, an adjusting screw rod, an adjusting spring and a positioning nut. The sword grid slag removal longitudinal moving mechanism comprises a longitudinal supporting beam, a longitudinal moving lead screw and a longitudinal moving motor, and the sword grid slag removal transverse moving mechanism comprises a cross beam, a transverse moving lead screw and a lifting motor. The sword grid slag removal device is high in automation degree, capable of achieving automatic line changing, capable of removing slag on a plurality of sword grid bars through single-time operation, high in slag removal efficiency, low in use cost and good in stability.

The invention relates to the technical field of pipeline welding, and discloses a water conservancy construction pipeline welding device which comprises a supporting and retracting driving mechanism, a clinging inner supporting mechanism is installed on the surface of the supporting and retracting driving mechanism, a liner blocking mechanism is installed on the surface of the clinging inner supporting mechanism, and tracking rotating mechanisms are arranged at the two ends of the supporting and retracting driving mechanism. And a pipeline inner supporting mechanism is arranged at one end of the tracking rotating mechanism. According to the welding device for the water conservancy construction pipeline, through the arrangement of the supporting and retracting driving mechanism, the clinging inner supporting mechanism, the liner blocking mechanism, the tracking rotating mechanism and the pipeline inner supporting mechanism, the supporting and retracting driving mechanism can be used for applying radial driving force to the clinging inner supporting mechanism, so that the inner supporting mechanism generates controllable radial expansion; and then the liner blocking mechanism is pushed to be tightly attached to the inner wall of the pipeline welding seam, a permeation path of welding slag is effectively blocked, the retention amount of the slag in an inner cavity of the pipeline is remarkably reduced, and therefore the difficulty of post-welding cleaning operation is greatly reduced.

The utility model belongs to the technical field of ceramic substrate manufacturing, and particularly relates to a ceramic substrate drilling device. The device comprises a workbench, wherein the workbench is provided with a station for placing a ceramic substrate; the two positioning mechanisms are arranged on the two sides of the station in a mirror image mode; the opposite sides of the two positioning mechanisms are provided with material shoveling inclined plates. And after the ceramic substrate is placed at the station, the two positioning mechanisms are close to each other oppositely, and the two material shoveling inclined plates support the ceramic substrate from the two sides respectively, so that the ceramic substrate is suspended, and slag at the edge of the station is shoveled away. According to the utility model, the material shoveling inclined plate is arranged to support the ceramic substrate, so that the ceramic substrate is suspended, the working table is prevented from inclining due to unevenness and influencing the hole machining precision, and meanwhile, slag on the working table is shoveled away through the material shoveling inclined plate, so that slag residues are reduced. And the levelness of the supported ceramic substrate is kept through the positioning mechanism.

The invention discloses a wind power tower drum circular seam automatic welding device and a welding method, and relates to the technical field of welding devices, each bottom supporting frame is provided with a rotating mechanism, a supporting seat is placed at the bottom of a circular seam between two adjacent wind power tower drums, a welding mechanism is arranged on a sliding plate, and a position adjusting mechanism is arranged on the sliding plate; the situation that the rotating speed of the two wind power tower drums is not constant in the rotating process can occur, a rotating speed sensor on a rotating disc detects the rotating speed of an abutting iron wheel, the rotating speed sensor sends rotating speed information to a controller, when the wind power tower drums rotate too slowly, a sliding plate advances on an arc-shaped supporting frame, and when the wind power tower drums rotate too fast, the sliding plate moves forwards on the arc-shaped supporting frame. The sliding plate retreats on the arc-shaped supporting frame, the welding mechanism is kept to conduct constant-speed welding on the circular seam between the two adjacent wind power tower barrels, the particle scaling powder can evenly cover a molten pool, molten slag flows smoothly, air can be isolated, oxidation can be prevented, impurities can effectively float out, air holes are reduced, and the compactness of the welding seam is improved.

A system comprising a gasifier comprising one or more burners configured to accept a carbonaceous fuel and an oxidant to produce a syngas and a molten slag; a throat configured to accept the syngas and molten slag from the gasifier; and a radiant syngas cooler positioned below the gasifier configured to accept the syngas and molten slag from the throat; wherein the throat comprises an outer wall and one or more fins extending radially inwards from the outer wall.

A slag barrier plate for a side-blown melting furnace with a melting bath, characterized in that it comprises: a slag barrier unit (1) with a plate body (11) for holding back molten slag; a heat dissipation unit (2) comprising: a cooling water jacket (21) extending through the interior of the plate body (11) to continuously introduce cooling medium into the plate body (11) to lower its temperature; a distributor arrangement (22) arranged at the end of the cooling water jacket (21) to introduce the cooling medium into the cooling water jacket (21).

The invention discloses a laser cutting machine, and relates to the technical field of cutting equipment, the laser cutting machine comprises a rack, a grating placed on the rack and a slag cleaning mechanism linearly moving along the rack, and the slag cleaning mechanism is provided with a rotary cleaning assembly capable of jumping up and down. The rack is provided with a fluctuating guide rail in the moving direction of the slag cleaning mechanism, and the rotary cleaning assembly can jump up and down along with fluctuating of the guide rail in the process that the slag cleaning mechanism linearly moves along the rack so as to be attached to the sawtooth-tip-shaped grating. According to the slag cleaning mechanism, by arranging the rotary cleaning assembly which can fluctuate and jump along with the sawtooth tip shape of the grating, it can be guaranteed that in the process that the slag cleaning mechanism linearly moves along the rack, the rotary cleaning assembly is always kept to be attached to the grating, meanwhile, residual slag on the grating can be scraped away through rotation, and the cleaning efficiency is improved. And therefore, the slag remaining on the grating can be thoroughly and efficiently removed.

A method for efficiently recovering an iron-containing phase in steel slag belongs to the technical field of metallurgical solid waste resource utilization, and comprises the following steps: mixing the steel slag and a modifier, adding the mixture into a crucible, heating, and melting under the action of a protective atmosphere to obtain molten steel slag; the temperature of a furnace body is controlled, an electromagnetic stirring device is started, oxygen is injected into the molten steel slag, when the viscosity is remarkably reduced, oxygen injection is maintained, heat preservation is continued after the temperature of the furnace body is reduced, and ferromagnetic ore phase grains gradually grow up; when the viscosity change curve is no longer obviously reduced and tends to be stable, CO2 is used as a carrier, high-temperature water vapor is blown into the molten slag, and solid oxidized steel slag is obtained after the temperature of the steel slag is reduced to room temperature; the solid oxidized steel slag is subjected to crushing and magnetic separation to obtain a strongly magnetic spinel ore phase and other weakly magnetic silicate ore phases. The method has the advantages of simple control method, simultaneous regulation and control of size and distribution, low energy consumption, no pollution and the like, can effectively treat the steel slag on a large scale, and is beneficial to industrial production.

The invention relates to the technical field of submerged arc welding equipment, in particular to an automatic submerged arc welding unit which comprises a cover with the section of an isosceles trapezoid structure, the cover at least comprises a horizontal plate and elastic inclined plates located on the two sides of the horizontal plate, and the included angle between the horizontal plate and the elastic inclined plates is adjustable. And the scaling powder stacked on the groove of the workpiece to be welded is shaped. According to the submerged-arc automatic welding unit, the inner space of the cover has the capacity of evenly placing the scaling powder, when the scaling powder is scattered all around, the elastic inclined plate buffers and absorbs impact force, scaling powder escape is reduced, and the scaling powder is stably isolated in the welding process; and the grid plate pokes the scaling powder in front of welding operation aside, most of splashing slag is conveyed away from the position above a groove to be welded, welding interference generated when a rear welding head passes through is reduced, the welding process is more stable, and the safety influence on workers is weakened.

The invention discloses a laser cutting unit based on an aluminum veneer machining robot and a cutting method, and relates to the technical field of laser cutting, the laser cutting unit comprises a laser cutting rack, a laser module is arranged at the top of the laser cutting rack, and a moving module used for driving the laser module to move is arranged on the outer side of the laser cutting rack; according to the scheme, a three-dimensional and all-directional cleaning system covering the side face and the inclined face of the nail plate is constructed through cooperative work of the side face cleaning piece and the inclined face cleaning piece, it is ensured that no matter where the slag is attached to the nail plate, the slag can be effectively removed, supporting protrusions caused by local slag are fundamentally eradicated, and the service life of the nail plate is prolonged. And an almost ideal leveling reference is provided for laser cutting, and the method is a decisive link for guaranteeing the final cutting precision.

The invention belongs to the technical field of metallurgy, and particularly relates to a method for preparing an aluminum-iron composite material based on microtexture.The method comprises the steps that S1, an iron matrix is obtained and pretreated; s2, the iron matrix is placed in deionized water; s3, preparing a microstructure on the surface of the iron matrix; and S4, the iron matrix is adopted for liquid-solid composite casting to prepare the aluminum-iron composite material. On one hand, the micro-texture prepared in deionized water is more uniform, the roughness is reduced compared with that of the micro-texture prepared in air, and the wettability of an aluminum alloy melt when the aluminum alloy melt makes contact with an iron matrix is well improved; and on the other hand, when the micro-texture is prepared in the deionized water, the deionized water can effectively enable slag generated when the surface of the iron matrix is subjected to laser etching not to be deposited in the micro-texture any more, so that the interior of the micro-texture is more uniform and smoother, the filling rate of an aluminum alloy melt is effectively increased, and the problem of interface cracking after aluminum-iron bimetal solid-liquid compounding is solved.

The present invention relates to the technical field of metal production or refining, and provides a non-ferrous metal smelting slag recovery and treatment system and method, the method comprising: performing reduction activation treatment on the molten slag, cutting the slag flow by a guide plate and combining mechanical vibration to strengthen the reduction reaction; using ultrasound and gradient magnetic fields to collaboratively sort metal particles; forming a vortex flow field by a rotating spray gun to achieve directional alloy precipitation, and continuously discharging the alloy melt; converting the tailings into glassy building aggregates; recovering the waste heat and quenching the flue gas, using a high-temperature resistant filter bag to capture zinc-containing dust, and then removing sulfides and heavy metals through a graded absorption process. The system comprises an activation reactor, a sorting tower, a precipitation furnace, and a flue gas treatment unit, and each device realizes the collaborative treatment of molten materials through a sealed conveying structure. The present invention realizes the efficient dissociation and recovery of valuable metals, the full-quantity resource utilization of tailings, and the control of the depth of flue gas pollution, significantly improving the resource circulation efficiency and environmental friendliness.