755 results about "Molten slag" patented technology

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.

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.

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.

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 discloses a multi-mode flexible four-corner welding machine and method for improving the weld fillet strength, and belongs to the technical field of profile manufacturing. The welding machine comprises a machine body, a cross beam of the machine body is adjustable along an X axis, machine heads on the cross beam slide along a Y axis, and four groups of machine heads clamp four corners of a profile. The machine head integrates a pressing assembly, a heating assembly, a broaching assembly, a seam pressing assembly and the like, the pressing assembly achieves profile fixing and position adjusting through a plurality of guide rail pairs, the broaching assembly carries out precise broaching on a welding seam, and the seam pressing assembly prevents molten chips from overflowing and carries out surface molding on the profile. The method comprises the steps of debugging, charging, positioning and limiting, heating, welding seam width adjustment, welding and discharging. Welding and welding seam finishing are integrated, and the secondary machining defect is avoided; multiple groups of adjustable mechanisms and detachable accessories are matched with various profiles; the surface of the color profile can be protected, the welding quality is enhanced, and the flexible manufacturing capacity of a production line is improved.

The invention relates to the technical field of metal cutting, and particularly discloses an intelligent laser cutting device and method for steel machining. The intelligent laser cutting device comprises a machine base, a moving assembly is arranged at the top of the machine base, a laser head used for emitting laser is fixed to the inner side of the moving assembly, and the moving assembly is used for controlling the laser head to move; the side face of the clamping plate is provided with a clamping piece used for clamping a steel pipe, through cooperation of the structure, the collecting cover can collect metal slag blown by protective gas, and the situation that the metal slag flies into and adheres to the inner wall of the pipe, and then the quality of the pipe is affected is avoided; and meanwhile, the elastic bag can play a certain role in supporting the inner side of the steel pipe, and materials around the cutting position of the steel pipe are prevented from being softened by heat generated during cutting, so that the situation that the produced steel pipe is deformed due to the fact that the high pressure of the protective gas impacts the softened pipe wall is reduced, and the quality of the cut pipe is further improved.

The invention provides a metal plate laser cutting machine, and belongs to the technical field of laser cutting equipment, the metal plate laser cutting machine comprises a cutting table, a portal frame and a control console, the portal frame is connected with a moving table, the moving table is connected with a laser cutting assembly, the laser cutting assembly comprises a laser seat, a connecting seat and a butt joint seat, and an electric sliding block is arranged on one side of the connecting seat; a focusing assembly is arranged in the connecting seat, a cleaning assembly is arranged in the butt joint seat, and the gas guide assembly is used for transmitting gas; the detection assembly is used for detecting the pressure of the gas; the device has the beneficial effects that the gas guide assembly adopts a flexible communicating pipe to realize stable transmission of gas, cutting slag is efficiently blown off through high-pressure gas, heat is dissipated for the focus lens through gas flow, the optical performance is prevented from being influenced by high temperature, meanwhile, the gas is shunted to the detection assembly, the gas pressure state can be visually fed back through linkage of a piston cavity and a reed, and the detection accuracy is improved. And molten slag outside the nozzle can be cleaned through split-flow gas, so that the service life of the nozzle is prolonged.

The invention relates to the field of laser cutting, and discloses drilling equipment for power distribution cabinet machining and a drilling method.The drilling equipment comprises a laser cutting head and a workbench, a blanking opening is formed in the workbench, a limiting plate is arranged on the workbench, an electric push rod is arranged on the limiting plate, and cover turning mechanisms used for turning over a cabinet door are arranged on the two sides of the blanking opening; a covering plate is arranged on the workbench, a control mechanism for controlling the covering plate to vertically move is arranged below the covering plate, a plurality of supporting assemblies are arranged below the workbench, each supporting assembly comprises a connecting plate, a plurality of lifting air cylinders are arranged on the connecting plates, and the moving direction of the moving ends of the lifting air cylinders is the vertical direction. A supporting rod is connected to the moving end of the lifting air cylinder, a distance sensor is arranged on the supporting rod, and a driving machine for driving the supporting assembly to move up and down is further arranged below the workbench. The cabinet door can be opened for processing, and slag is prevented from entering the cabinet body.

The invention discloses a self-protection flux-cored wire and a production method thereof. The preparation method of the self-protection flux-cored wire comprises the following steps of S1, material treatment, S2, machining and treatment, S3, quality detection and S4, packaging and transportation. According to the target performance of the welding wire, a powder formula is elaborately designed, and the formula generally comprises a slag former for forming slag, protecting a molten pool, controlling metallurgical reaction of the molten pool and improving welding seam forming, a deoxidizer for removing oxygen and nitrogen in the molten pool and preventing pores and embrittlement, and a gas-making agent for generating protective gas through thermal decomposition, a gas hood is formed at the end of the flux-cored wire to isolate air, alloy elements are added into deposited metal to achieve required chemical components and performance, an arc stabilizer is used for improving arc stability, and a small amount of binder is added sometimes to improve powder fluidity or keep the shape after filling, so that the application range of the flux-cored wire is widened, and the flux-cored wire is suitable for industrial production. And the device is suitable for various working environments, and the production quality of the flux-cored wires is improved.

The invention discloses a slag cleaning device of a numerical control flame cutting machine, which relates to the technical field of flame cutting machines and comprises a machine tool, flame cutting equipment is arranged at the upper part of the machine tool, a sword grid is fixedly mounted in the middle of the machine tool, and a cleaning mechanism is arranged at the lower part of the machine tool and is used for collecting and cleaning dropped slag. The scraping assembly comprises a dust collecting plate fixedly installed on the lower portion of the machine tool, screws are rotationally installed on the two sides of the machine tool, a driving motor is started to drive the two screws to synchronously rotate in the same direction through a synchronous belt wheel, and a sliding block limited by a sliding groove is forced to drive a scraping plate and a triangular plate to directionally move along the surface of the dust collecting plate; and the cooled slag is automatically scraped and pushed to the conveying belt, and finally the slag is conveyed out by the conveying belt in a centralized manner, so that automatic cleaning is realized, the cleaning efficiency is remarkably improved, the labor intensity and the safety risk are reduced, the cleanness of the area below the sword grid is ensured, and a guarantee is provided for continuous cutting operation.

The application provides a refining slag and a preparation method and application thereof, and belongs to the technical field of non-ferrous metal smelting.The application provides a refining slag, which comprises the following components in percentage by mass: KCl 30%-40%, MgCl2 47.5%-60% and CaF2 10%-12.5%.The KCl, MgCl2 and CaF2 three components form a synergistic effect of complementary advantages in the aluminum alloy electroslag remelting slag system, the melting point is reduced, the aluminum liquid can be matched, the operation is safer and more stable, a good slag crust is formed, and finally a high-quality electroslag ingot with a clean surface and a pure interior is obtained.

The application provides a method for recycling electric furnace dust after dezincification. The method comprises the following steps: adding a composite binder and water into the electric furnace dust after dezincification in a fluidized bed furnace to prepare green balls, and then digesting, drying and solidifying the green balls to obtain cold solid pellets for electric furnace, which are added into molten steel in an electric furnace as a slagging agent together with slag materials, so that the iron resources in the electric furnace dust can be recycled, and the usage amount of limestone in the electric furnace steelmaking can be reduced. Meanwhile, the cold solid pellets for electric furnace can reduce the melting point and viscosity of molten slag due to the high alkalinity, so that the slagging time is shortened, the energy consumption of electric furnace smelting is reduced, the dephosphorization amount and dephosphorization rate in the electric furnace smelting are improved, and the quality of molten steel is improved. In addition, the cold solid pellets for electric furnace prepared do not need to be calcined at high temperature, so that the strength requirement of the pellets for electric furnace steelmaking is met, and the production cycle is shortened. The electric furnace dust after dezincification in the fluidized bed furnace contains more active CaO, and the balling performance is better than that of the electric furnace dust, so that the usage amount of the binder can be reduced.

The invention relates to the technical field of stainless steel casting preparation, in particular to an anti-aging stainless steel material and a casting process thereof. Wherein the chemical components comprise, by weight, 0.01%-0.03% of C, 18%-22% of Cr, 8%-11% of Ni, 0.1%-0.8% of Mo, 0.5%-1.5% of Mn, 0.2%-1.0% of Si, 1.0%-3.6% of Cu, 0.2%-0.5% of Nb, 0.15%-0.25% of N and the balance Fe. The lime, the fluorite, the aluminum powder and the sodium silicate solution are precisely proportioned, a series of synergistic effects are achieved through a rigorous technological process, the physical and chemical properties of the smelting slag are optimized, and the high-alkalinity and high-fluidity smelting slag generated through the synergistic effect of the lime and the fluorite has the advantages that the smelting efficiency is improved; ideal thermodynamic and dynamic conditions are provided for desulfurization and dephosphorization reactions, harmful elements such as sulfur and phosphorus can be rapidly combined with CaO, stable compounds are generated and enter a slag phase to be removed, and the toughness and corrosion resistance of stainless steel are improved.

The application provides a support grid cleaning device for a laser cutting equipment and the laser cutting equipment, the support grid cleaning device comprises a molten slag cleaning mechanism, the molten slag cleaning mechanism comprises a support and a plurality of molten slag cleaning assemblies arranged at the lower end of the support, the plurality of molten slag cleaning assemblies are arranged at intervals, and the molten slag cleaning assembly comprises a shell, and a driving piece, a driven piece, an elastic piece and an unlocking piece arranged in the shell. Through the cooperation of the driving piece, the driven piece, the elastic piece and the unlocking piece, the molten slag at the top end of the support grid is removed, the flatness of the support surface formed by the plurality of support grids is ensured, and through the arrangement of the plurality of molten slag cleaning assemblies, the molten slag at the top end of the support grid is quickly and automatically cleaned, and the cleaning efficiency of the molten slag is improved.

This application proposes a method for enhancing the smelting of iron-based minerals in a molten pool. The method includes introducing a first reducing agent, fuel, and oxygen-enriched gas into a jet melting zone to melt the added iron-based minerals and flux, and partially pre-reducing the molten slag, with weakly reducing flue gas being discharged. The molten slag then enters a jet reduction zone, where a second reducing agent is added, and fuel and oxygen-enriched gas are submerged and injected into the zone, initially reducing the molten slag to produce molten iron, iron-containing slag, and strongly reducing flue gas. The strongly reducing flue gas is treated to obtain CO gas, which is then pressurized and introduced into the jet melting zone; and / or, the CO gas is pressurized and introduced into the jet reduction zone. This application can effectively process iron-containing minerals and low-sulfur iron-containing slag, and features efficient iron reduction, efficient energy recycling, and low cost.

The invention relates to the technical field of coal chemical industry, in particular to a method for evaluating the slag quantity of a dry pulverized coal gasifier in real time, which comprises the following steps: arranging a thermometer in a slag pool of the dry pulverized coal gasifier, arranging a thermometer and a flowmeter behind a quenching water heat exchanger, and arranging a regulating valve on a cooling water outlet pipeline of the quenching water heat exchanger; adjusting the outlet flow Q of the slag water circulating pump to be a constant value according to the reading of the flowmeter; the temperature t of the quenching water after the quenching water heat exchanger is controlled to be a constant value by using a regulating valve and a temperature controller of a cooling water outlet pipeline; based on the principle that the specific heat capacity of quenching water and molten slag and the temperature of the molten slag before quenching are constant, the real-time slag production amount of the gasifier is calculated through a preset formula, the method for evaluating the slag production amount of the dry pulverized coal gasifier in real time can evaluate the slag production amount of the dry pulverized coal gasifier in real time, guide personnel to carry out as-fired coal operation adjustment, and improve the slag production amount of the dry pulverized coal gasifier. Frequent fluctuation of the slag yield of the gasifier is avoided, and safe and stable operation of the burner cover and the slag conveyor is ensured.

The invention discloses a magnetic geopolymer as well as a preparation method and application thereof, and relates to the technical field of solid waste resource utilization and wastewater treatment. The preparation method comprises the following steps: drying nickel slag, crushing and grinding, adding calcium oxide to adjust alkalinity, and heating and melting to obtain a nickel slag melt; the nickel slag melt is subjected to water quenching, and magnetic slag micro powder is obtained through drying, crushing and screening; and mixing the magnetic slag micro powder with an alkaline activator, injecting the mixture into a mold, performing constant-temperature maintenance, demolding, and crushing to obtain the magnetic geopolymer. The magnetic geopolymer prepared by the invention has high adsorption capacity and rapid adsorption kinetics for multiple heavy metal ions in water, and has excellent magnetic separation performance.

To perform excellent welding by suppressing the occurrence of defective penetration when performing electroslag welding with two electrodes of the same polarity.SOLUTION: The electroslag welder 1 includes two weld torches 7 having the same polarity, a swing mechanism that horizontally swings both of the two weld torches 7 at the same time with the two weld torches 7 spaced apart from each other, and an adjustment mechanism that can adjust the distances from the lower ends of contact tips 8 of the two weld torches 7 to the surface of molten slag 10 to 20 to 150mm. The respective weld torches 7 are arranged in such a manner that the distances between the wires on the surface of the molten slag 10 of the two weld wires 9 fed from the respective two weld torches 7 at the time of the weld are equal to or below the 40mm.SELECTED DRAWING: Figure 1

This utility model discloses a probe protection device, specifically relating to the field of probe protection technology. It includes a telescopic mechanism, with support components symmetrically and fixedly connected to the upper part of the telescopic mechanism away from its axis. A turntable is rotatably connected to the upper end of the support components, and a second turntable is rotatably connected to the inner cavity of the first turntable. A protective mechanism is fixedly connected to the lower end of the telescopic mechanism, and a probe head is fixedly connected to the inner cavity of the protective mechanism. This utility model, through its protective mechanism, provides an additional protective barrier when the probe is in operation, effectively resisting and buffering impacts from splashed molten slag, falling materials, or other mechanical parts from inside the furnace. It provides a solid barrier when the probe is not in use, and simultaneously, the protective structure provides a safe storage environment, preventing damage to the probe due to accidental collisions, drops, or other reasons.

The application provides a method for promoting selective reduction of Fe3O4 in copper slag by carbon-containing anode through electrochemistry, which comprises the following steps: weighing a certain amount of dry and finely ground copper slag and placing the copper slag in a crucible, transferring the crucible with the copper slag into a leaner electric furnace, and heating the copper slag to a specific reaction temperature at a speed of 10 DEG C / min to obtain molten copper slag; then inserting a pretreated graphite anode and an inert high-melting point metal cathode, and inputting a certain voltage to perform electrochemical regulation; after power-off, the sample is placed for a period of time, and the sample is cooled to room temperature with the furnace; and the obtained sample has copper matte in the lower layer and molten slag tailings in the upper layer. The application uses a carbon-containing anode to replace coal powder in combination with electrochemical regulation, which can not only make the carbon-containing anode penetrate into the interior of the copper slag and increase the reducible depth of the molten slag, but also ensure the continuous work of the carbon-containing anode by the intervention of the electrochemical method, thereby solving the problem of low utilization rate of coal powder in the reduction of copper slag in industry.

The utility model provides laser cutting equipment. The laser cutting equipment comprises a rack, a plurality of supporting beams arranged on the rack and a laser cutting machine arranged on the rack. The supporting beams extend in the width direction of the rack and are arranged at intervals in the length direction of the rack. The supporting beam is provided with a conical supporting block, the supporting block is made of elastic materials, and the tip end of the supporting block can abut against and support a plate to be cut. According to the laser cutting equipment, the supporting blocks made of the elastic materials are arranged, the sharp ends of the supporting blocks are soft in texture, the surface of a plate can be prevented from being scratched by the sharp ends of the supporting blocks, meanwhile, the supporting blocks are conical, molten slag blown out through laser cutting can be dispersed and discharged out of the supporting beams, and the quality of the plate is improved. And therefore, the machining quality is improved, and good practicability is achieved.

The invention relates to a movable slag tank structure for a blast furnace slag roller cold quenching process, which comprises a movable slag tank body, and the slag tank body can be positioned below a cold quenching roller or can move away from the cold quenching roller; a molten slag containing cavity capable of preserving heat and storing molten slag is formed in the slag tank body, a heat preservation cover capable of preserving heat of the molten slag in the molten slag containing cavity is arranged at the top end of the slag tank body, and at least part of the cold quenching roller can be immersed in the molten slag containing cavity to complete cold quenching of the molten slag; the movable slag tank structure for the blast furnace slag roller cold quenching process further comprises a monitoring structure used for monitoring the liquid level of slag in the slag containing cavity. The device has the functions of heat preservation, liquid level monitoring, molten slag storage and quick replacement, safe and reliable auxiliary arrangement is provided for the blast furnace molten slag roller cold quenching process, and stable operation of the whole process and functional integrity are guaranteed.

The utility model belongs to the technical field of steelmaking, specifically disclose have steel billet slag cleaning machine based on steelmaking operation for solving the problem that steel billet slag cleaning equipment structure is complex, cleaning is not thorough, operation is not stable, big and the operation and maintenance cost of security hidden danger in steelmaking operation, specifically includes traction machinery and slag cleaning mechanism, slag cleaning mechanism contains the support drive frame, slag storage cylinder, scrape wall spare and driving piece, the utility model discloses two big core designs of single drive synchronous double action and compound type stable support, both solve the problem of traditional equipment structure complex, cleaning is not continuous, and also eliminate the defect that slag dumps is not stable, and the defect that residual slag is not cleaned thoroughly, completely adapt the operation requirement of high temperature, continuous, high efficiency of steelmaking field.

The invention provides a blast furnace slag drum-type cold quenching treatment method which comprises the following steps: carrying out caching, temperature control and flow control treatment on slag generated by a blast furnace so as to change unstable slag flow of the blast furnace into stable and controllable slag flow; the slag is subjected to cold quenching treatment through a dry type cold quenching roller device, so that the slag is rapidly cooled into solid slag pieces on a roller; and the solid slag pieces are subjected to size stabilization and cooling treatment, so that the solid slag pieces are converted into solid slag particles. According to the invention, the problems of high product quality control difficulty and low heat recovery efficiency in the existing blast furnace slag dry treatment process can be solved.

This application discloses a method and apparatus for active slag removal in water-guided laser deep hole machining based on pulse-modulated water pressure, relating to the field of water-guided laser machining technology. It includes: setting a base pressure for water-guided laser deep hole machining; applying a periodic modulation signal to a high-pressure water supply system based on the set base pressure, causing the water jet output pressure to periodically pulsate near the base pressure with an initial pulse frequency and modulation amplitude, thereby creating a pumping force for slag removal within the machined hole; during the water-guided laser deep hole machining process, utilizing the high-pressure scouring and low-pressure backflow pumping effect generated by the water jet output pressure to remove accumulated water and molten slag from the bottom of the machined hole; acquiring the current machining depth in real time, and adjusting the pulse frequency of the periodic modulation signal based on a preset mapping relationship between the machining depth and the pulse frequency, so that the pumping effect matches the current hole depth. This solves the problems of existing slag removal methods, such as complex hardware, poor depth adaptability, and limited deep hole machining effects.