310results about "Stirring devices" patented technology

The invention relates to the technical field of secondary metal smelting, in particular to a metal smelting regeneration uniformity improving method and system based on electromagnetic stirring, and the method comprises the steps that temperature, density and flow field data in the smelting process are collected, a finite element is used for analyzing a multi-physical field coupling model, and a non-uniform area in a furnace is recognized; formulating a zone heating strategy, and adjusting the heating power and time sequence of each zone to realize uniform distribution of a temperature field; by adjusting electromagnetic stirring parameters, molten metal is driven to circularly flow, and density layering is eliminated; nozzles are uniformly arranged at the bottom of the smelting furnace for pulse injection of inert gas to homogenize smelted metal at the bottom of the smelting furnace; and by applying mechanical vibration, migration of impurities and bubbles is promoted, the metal mixing uniformity is further improved, and the quality of the regenerated metal is remarkably improved.

The invention discloses equipment and a method for laser auxiliary heating, magnetic control arc combination and static magnetic field coupling, and relates to the technical field of refractory and high-melting-point metal and metal-based composite materials. The problems of difficulty in melting and non-uniform components in the prior art are solved. The equipment comprises a vacuum melting furnace, a split water-cooled crucible, a laser auxiliary heating device, an electric arc generating device, a magnetic control device, a static magnetic field generating device and a central control cabinet. The method comprises the steps of charging and vacuumizing, laser preheating, starting arc and double-magnetic-field coupling smelting, and coordinately regulating and controlling multiple parameters through a control cabinet so as to realize accurate control on flowing and solidification structures of a molten pool. Through multi-energy field time sequence coupling and space cooperation of laser, magnetic control electric arc and static magnetic field, active intervention on the molten pool dynamics and solidification process is achieved, component homogenization is promoted, the solidification structure is refined, and the method is used for preparing high-temperature alloy and refractory and active metal material cast ingots with uniform components and excellent structure performance.

The application discloses a high specific strength high-elongation 6-series aluminum alloy anti-collision beam, which comprises a base, the upper side walls of the base are symmetrically fixedly connected with vertical plates, the opposite sides of the two vertical plates are fixedly connected with support plates, the upper side walls of the two support plates are fixedly connected with a smelting furnace, a stirring mechanism is arranged on the smelting furnace, a feeding port is formed in the upper side wall of the smelting furnace, and arc-shaped blocks are arranged on the inner bottom wall of the smelting furnace. The anti-collision beam combines the advantages of 6082 alloy and 7003 alloy, has good extrusion forming performance, the strength is greater than 340 MPa, the elongation is greater than or equal to 15%, and the elongation is improved by more than 10% compared with the 6082 alloy. The rare earth rhenium is added to refine the grains and improve the alloy strength, and the 6-series profile is subjected to double-stage aging strengthening, so that the elongation of the alloy is further improved.

The utility model relates to the technical field of stirring mechanisms, in particular to a stirring mechanism for a smelting furnace. The smelting furnace comprises a smelting furnace body, a cover is installed on the surface of the smelting furnace body, supporting legs are installed on the bottom face of the smelting furnace body, a motor is fixedly installed on the surface of the cover, a stirring mechanism body is installed at the output end of the motor, and a dismounting device is arranged on the arc face of the stirring mechanism body. The dismounting device comprises three square frames, the three square frames are fixedly connected with the arc surface of the stirring mechanism body, connecting grooves are formed in the two sides of each square frame, fan blades are connected to the inner walls of the connecting grooves of the square frames in a clamped mode, two special-shaped plates are fixedly connected to the surfaces of the square frames, and the special-shaped plates are fixedly connected to the surfaces of the special-shaped plates. The surface of the special-shaped plate is fixedly connected with a clamping column. The problems that after the fan blades are used for a long time in the high-temperature environment in the smelting furnace body, the single fan blade is abraded or deformed or damaged, and the single fan blade is inconvenient to disassemble and replace are solved.

A method for manufacturing monocrystalline silicon for growing monocrystalline silicon while a horizontal magnetic field is applied to a silicon melt, using a monocrystalline silicon manufacturing apparatus comprising a crucible and a heating device having a hollow cylindrical shape surrounding the crucible. The heating device comprises a first and a second heat-generating section, both having a hollow semi-cylindrical shape and the same heat-generating characteristics. The heating device is arranged such that when the heat-generating sections produce heat with different heat-generating quantities, the heating quantities of the first and second sections of the crucible are different. The first and second sections are arranged on either side across a vertical virtual plane that includes a central axis of the crucible and a central magnetic field line of the horizontal magnetic field.The process involves performing a first heating and generation cycle while the heat generation sections produce heat with the same heat generation quantity, and a second heating and generation cycle while the heat generation sections produce heat with different heat generation quantities.

The invention discloses aerospace-grade vanadium-aluminum intermediate alloy material smelting equipment and a using method thereof.The aerospace-grade vanadium-aluminum intermediate alloy material smelting equipment comprises a hot melting furnace body, the top port of the hot melting furnace body is fixedly in butt joint with a deslagging assembly, the top port of the deslagging assembly is covered with a sealing cover, a magnetic pole array rotor assembly is installed below the sealing cover, and the bottom of the hot melting furnace body is a hemispherical shell; a plurality of saddle-shaped coils which are arranged in an annular array are embedded in the hemispherical shell; and a liftable liquid level adjusting block is mounted below the magnetic pole array rotor assembly. The invention relates to the technical field of smelting equipment. According to the method, the problems that in an existing vanadium-aluminum smelting technology, stirring dead angles are generated due to insufficient stirring capacity, so that macroscopic segregation and microcosmic segregation of alloy components are caused, and the requirement of aerospace-level materials for extreme uniformity cannot be met are solved.

The invention relates to the technical field of molten iron, and provides a molten iron stirring device which comprises a bottom plate, a stirring barrel is fixedly connected to the top end of the bottom plate, a second supporting frame is fixedly connected to the top end of the stirring barrel, a power assembly is installed at the top end of the second supporting frame, and an injection assembly is installed on the portion, close to the bottom end, of the stirring barrel. A sealing assembly is installed at the center of the bottom wall of an inner cavity of the stirring barrel, a first supporting frame is fixedly connected to the top end of the bottom plate and located on the outer side of the stirring barrel, a conveying assembly is installed at the top end of the first supporting frame, a gear drives a supporting plate to rotate under limitation of the supporting plate, and the supporting plate drives stirring blades to rotate through stirring rods. And the stirring rod drives the movable ring to rotate on the supporting ring, the first gear ring and the second gear ring are designed in a staggered mode to form labyrinth sealing, and meanwhile the first gear ring rotates in the static ring. By means of the technical scheme, the technical problem that in the related technology, the efficiency is low when molten iron is desulfurized is solved.

The utility model discloses a casting aluminum bar smelting device for aluminum profile production, which comprises a smelting furnace body, the outer surface of the smelting furnace body is fixedly sleeved with a supporting plate, the upper surface of the supporting plate is fixedly connected with a plurality of supporting columns, the supporting columns are uniformly distributed, a mounting plate is arranged above the smelting furnace body, and the mounting plate is fixedly connected with the smelting furnace body. The lower surface of the mounting plate is fixedly connected with the upper end of a supporting column, and the upper surface of the mounting plate is fixedly connected with a mounting shell. According to the structure, the stirring sleeve, the stirring rod and the stirring rod are arranged, so that a motor drives a driving bevel gear to rotate, and then a second bevel gear and a first bevel gear rotate in the positive direction and the negative direction correspondingly; therefore, the stirring rod matched with the stirring rod and the stirring sleeve performs forward and reverse stirring on the aluminum bar, so that the heating area of the aluminum bar is more uniform, the smelting efficiency is accelerated, and the working efficiency is improved.

The invention relates to a device for processing molten metal, said device comprising a ladle defining an internal volume for containing said molten metal, and means for rotating said ladle about an axis of rotation. According to the invention, said ladle comprises a peripheral wall and an internal bottom wall that are essentially smooth, and said device comprises at least one mixing arm capable of assuming a mixing position in which it is at least partially immersed in said internal volume of said ladle and in which it is fixed relative to said ladle (Fig. 2).

The utility model relates to the technical field of aluminum ingot processing, in particular to an aluminum ingot melting furnace which comprises a bottom plate, two side plates are fixedly installed on the upper portion of the bottom plate, rotating shafts are rotationally connected to the inner walls of the two side plates respectively, and a furnace body arranged between the two side plates is fixedly connected to the ends of the rotating shafts. A heat conducting plate arranged in an arc shape is fixedly installed in the furnace body, a melting cavity used for stirring aluminum ingots is formed in the portion, opposite to the upper portion of the heat conducting plate, in the furnace body, and a stirring mechanism used for stirring the aluminum ingots is arranged in the melting cavity. The inside of the furnace body is fully stirred through the stirring blades, and then the large-torque motor is started to drive the rotating shaft to rotate, so that the furnace body rotates by taking the rotating shaft as a circle center, molten aluminum in the furnace body flows out of the liquid outlet, and the molten aluminum is prevented from being cooled when being separated from the reaction furnace and flowing out of the liquid outlet; and the liquid outlet is prevented from being blocked by the molten aluminum due to quick cooling molding.

The utility model provides a kind of aluminium smelting aluminium oxide recovery device, including smelting box, the inside of smelting box is provided with partition baffle, the inside space of smelting box is formed by partition baffle and is separated into stirring area and impurity removal area, the inside of stirring area is provided with stirring assembly, for accelerating aluminium dissolution, the top of impurity removal area is provided with impurity removal assembly, the middle of one side of smelting box close to impurity removal assembly is provided with recovery assembly, the device is separated into stirring area and impurity removal area by being provided with partition baffle, stirring assembly accelerates aluminium dissolution in stirring area, so that aluminium oxide impurity is better separated, then aluminium liquid flows into impurity removal area by through-hole in the middle of partition baffle, the mode of this area division and collaborative work makes that impurity removal process is more orderly, avoids the secondary mixing of impurity in smelting process, and further improves impurity removal effect.

The utility model discloses a multi-component raw material smelting and pouring device which comprises a mounting frame, a first lifting mechanism mounting platform, an upper platform, a middle platform, a second lifting mechanism and a first lifting mechanism, wherein the first lifting mechanism mounting platform, the upper platform and the middle platform are arranged on the mounting frame, the second lifting mechanism is arranged on the middle platform, and the first lifting mechanism is arranged on the first lifting mechanism mounting platform. The heater is arranged on the second lifting mechanism and is driven by the second lifting mechanism to lift, the smelting barrel is sleeved with the heater, the upper cover plate covers the smelting barrel, the multiple bins are arranged on the upper cover plate, the bin valves are arranged between the bins and the smelting barrel, and the stirring motor is arranged on the first lifting mechanism. The stirring motor is arranged in the smelting barrel, the stirring paddle is arranged on the lower portion of the stirring motor and arranged in the smelting barrel, the heat preservation barrel is arranged on the lower portion of the smelting barrel, the lower connecting pipe and the discharging valve are arranged in the heat preservation barrel and connected in sequence, and the discharging pipe is arranged on the lower portion of the discharging valve. According to the scheme, the feeding and discharging device has the advantages of simple structure, reliable feeding and discharging and the like.

A pump for pumping molten metal includes a refractory base including at least one inlet, a first outlet, a second outlet, a first volute chamber and a second volute chamber disposed above the first volute chamber. The first volute chamber includes a first volute that is constructed and arranged in a first volute orientation in a top view. The second volute chamber includes a second volute that is constructed and arranged in a second volute orientation opposite to the first volute orientation in a top view. The pump includes a motor driven, refractory shaft and an impeller connected to an end portion of the refractory shaft. The impeller is rotated in the first volute in one rotational direction relative to a top view to direct molten metal through the first outlet. The impeller is vertically moved and rotated in the second volute in an opposite rotational direction relative to a top view to direct molten metal through the second outlet.

The utility model belongs to the technical field of aluminum melting furnaces, and particularly discloses a double-chamber aluminum melting furnace which comprises a furnace body and a furnace pool, the furnace pool is arranged at the bottom end in the furnace body, an annular track is fixed at the top end in the furnace body, a support is movably connected in the annular track, fourth motors are installed on the two sides in the support respectively, and the fourth motors are connected with the furnace pool. The two sides of the top end of the support are movably connected with rotating wheels respectively, and a ball is embedded in the center of the top end of the support. According to the double-chamber aluminum melting furnace, fuel gas guns are movably connected between the front portion and the rear portion in the hanging rod, fourth motors in supports are started respectively, the supports are guided to slide in the annular rail through rotating rotating wheels on the two sides of the upper portion, a ball at the center of the top end is just embedded in a limiting groove, and the stability of the supports and the hanging rod in the moving process is maintained; the orientation of the gas gun in the suspender can be adjusted through the second motor, flames are jetted around the interior of the furnace body so that aluminum products can be evenly melted, and the problem that the flame jetting position is fixed is solved.

The application relates to the field of quartz sand smelting, and discloses a quartz sand smelting device and a smelting method thereof. The quartz sand smelting device comprises a device shell, the device shell is vertically arranged, a stirring mechanism is arranged in the device shell, the stirring mechanism is used for stirring quartz sand in the device shell, a feeding pipe is arranged on one side of the device shell, the feeding pipe is upwardly inclined, a driving piece is arranged on one side of the feeding pipe, the driving piece drives the feeding pipe to rotate, and a cross beam is arranged at one end of the feeding pipe away from the device shell. The quartz sand smelting device and the smelting method thereof can rub and roll the quartz sand, separate the quartz sand and the magnetic ore adhered together, and flatten the quartz sand, so that the quartz sand can fully contact the inner wall of the feeding pipe, the adsorption effect of the magnetic ore in the quartz sand on the feeding pipe is improved, the efficiency and effect of the quartz sand magnetic separation are improved, and the purity of the quartz sand is improved.

A melting furnace for melting metal may have a first heating device having at least one electrically heatable immersion heating element. The furnace may also have a circulating arrangement designed to create a flow of molten metal within the melting furnace. A method for melting metal using the melting furnace is also provided.

This utility model discloses an aluminum-copper alloy refining agent addition device, comprising: a box body, wherein the top of the box body is provided with a feeding trough, the bottom is provided with a filter plate, and the lower part of the side wall is provided with an installation plate and a support frame; a crushing component, wherein the crushing component is disposed in the upper part of the inner cavity of the box body; a cleaning component, wherein the cleaning component is disposed in the lower part of the inner cavity of the box body; and a stirring component, wherein the stirring component is symmetrically disposed on both sides of the bottom of the installation plate. Before adding the refining agent, the device first crushes any clumps of refining agent using the crushing component, filters the mixture through the filter plate, and cleans the top of the filter plate using the cleaning component, removing large pieces of refining agent or impurities into a recovery box to prevent clogging of the filter plate and ensure the effective addition of the refining agent. The stirring component is then activated to stir the aluminum-copper alloy liquid, ensuring that the refining agent and the aluminum-copper alloy liquid are in full contact and mixed evenly, thereby improving the quality of the final product.

The structure is simplified, and the molten metal flows more smoothly, allowing for efficient dissolution and heating. [Solution] The furnace body 10 has heating chambers 12 and 13 that communicate with an input port 11 for non-ferrous metal materials, and a tapping chamber 14 that can receive a portion of the molten metal heated to a predetermined temperature in the heating chambers 12 and 13 and from which the molten metal can be removed, and a rotating blade 20 for circulation that is provided in the center of the heating chambers 12 and 13 to circulate the molten metal, and a plurality of electric heaters 30 and 40 provided in the heating chambers 12 and 13 to raise the molten metal to a predetermined temperature.

The utility model belongs to the technical field of heating furnaces for preparing and storing hydrogen materials, and particularly discloses a cooling and stirring structure of a heating furnace for preparing and storing hydrogen materials, which comprises a cooling fan arranged outside a heating furnace body and a cooling component positioned in the heating furnace body, and the cooling fan is communicated with the cooling component through an air inlet pipe; a supporting assembly is arranged on the outer side of the air inlet pipe and connected with the cooling assembly, an air cylinder is arranged at the top of the heating furnace body, and the output end of the air cylinder is connected with the supporting assembly and used for driving the cooling assembly to move vertically. The cooling assembly is arranged in the heating furnace body, the cooling assembly is communicated with the external cooling fan to further cool a melt-spinning sheet falling off from the cooling roller in an accelerated mode, the air cylinder is connected with the cooling assembly, ascending and descending of the cooling assembly are achieved, and the melt-spinning sheet is crushed and stirred. The specific surface area of the material is greatly increased, the surface sites of the hydrogen storage material for adsorbing hydrogen are increased, and the hydrogen storage efficiency is effectively improved.

The utility model relates to the technical field of alloy block smelting, and discloses a mother alloy block smelting furnace which comprises a base plate, the top of the base plate is fixedly connected with a supporting frame, the interior of the supporting frame is fixedly connected with a melting tank, the top of the melting tank is fixedly connected with a feeding frame, and the top of the melting tank is provided with a vacuum pump. A motor is fixedly connected to the top of the melting tank, a transmission roller is fixedly connected to the output end of the motor, a first fixing rod is fixedly connected to the outer wall of the transmission roller, a second fixing rod is fixedly connected to the outer wall of the transmission roller, and a stirring assembly is arranged on the outer wall of the second fixing rod; the stirring assembly comprises a stirring rod and a scraping claw. According to the stirring device, the output end of the motor drives the transmission roller to rotate, so that the effect of stirring the middle part and the bottom of the melting tank is achieved, the problem of non-uniform components of materials in the melting tank caused by difficulty in fully stirring the middle part and the bottom is solved, and the component uniformity of a master alloy block is improved.

The invention relates to a device for treating molten metal, the device comprising a ladle defining an internal volume intended to contain the molten metal, and means for rotating the ladle about an axis of rotation. According to the invention, the ladle comprises an inner peripheral wall and an inner bottom wall that are substantially smooth, and the device comprises at least one stirring arm capable of assuming a stirring position in which it is at least partially immersed in the internal volume of the ladle and in which it is stationary with respect to the ladle.

This invention discloses a method and apparatus for determining oxygen lance and bottom-blowing stirring control parameters based on the molten pool state, belonging to the field of electric arc furnace steelmaking process optimization and control technology. The corresponding method includes: determining the current smelting stage based on the furnace noise spectrum, molten pool temperature, and flue gas composition; the oxygen lance control parameters include: molten pool carbon content, molten pool oxygen demand, and the hydrogen-oxygen ratio in the accompanying flow; determining the molten pool carbon content and molten pool oxygen demand based on the flue gas composition, total mass of molten steel, and total flue gas volume; and selecting the hydrogen-oxygen ratio in the accompanying flow and the bottom-blowing stirring control parameters based on the current smelting stage. This invention effectively solves the problems of low reaction efficiency, high energy consumption, and unstable endpoint control caused by the inability to adjust furnace wall oxygen supply and bottom-blowing stirring in real time according to the molten pool reaction state during existing electric arc furnace smelting processes.

The invention provides a metallurgical furnace for multi-stage smelting and dilution of copper-nickel sulfide ore, and belongs to the technical field of non-ferrous metal pyrometallurgy equipment. The device is provided with a first-stage space smelting area, a second-stage molten pool smelting area, a third-stage molten pool reduction smelting area and a fourth-stage depletion smelting area which are communicated in sequence; a feeding nozzle and a spray gun are arranged at the top of the first-stage space smelting area to realize material pre-oxidation and impurity volatilization, and a side-blowing spray gun is arranged in the second-stage molten pool smelting area to finish deep smelting and slag-matte separation; a third-stage molten pool reduction smelting area is provided with a spray gun to create a reducing atmosphere, and impurities such as lead and zinc are selectively reduced and volatilized to be removed; a controllable polarity electrode and a sulfuration reducing agent feeding hole are arranged at the top of the fourth-stage depletion smelting area, so that electromagnetic stirring, chemical reduction sulfuration and the like are realized. Through multi-zone collaborative design and functional coupling, the problems that in the existing copper-nickel sulfide ore pyrogenic process, the smelting strength is improved, the adaptability to raw materials is poor, the slag dilution efficiency is low, and impurity valuable metal elements are difficult to enrich are solved.

The plant (1) for the production of secondary zinc comprises: at least one melting assembly (2) adapted to contain a molten zinc bath (B) and to heat and melt metal residues in the form of shredded scrap and / or grain, the metal residues being composed of metallic zinc; at least one feeding assembly (3) adapted to supply the metal residues to the melting assembly (2); at least one mixing and separation assembly (4) connected to the feeding assembly (3) and associated with the melting assembly (2) and adapted to receive the metal residues, mixing them in the molten zinc bath and to move the process scraps away from the melting assembly (2); at least one pick-up assembly (5) adapted to transfer molten zinc from the melting assembly (2) to a machine for forming secondary solid zinc.

The utility model discloses a safety protection type lead melting pot which comprises a lead melting pot body, a heating disc is fixedly installed on the bottom face of the lead melting pot body, a heating mechanism is fixedly arranged in the heating disc, and a protection mechanism is fixedly arranged on the surface of the lead melting pot body. A pot cover is clamped to the top face of the lead melting pot body, a servo motor is fixedly installed in the middle of the top face of the pot cover, a stirring mechanism is fixedly arranged at the output end of the servo motor, an exhaust fan is fixedly installed on one side of the top face of the pot cover, and a purifying mechanism is fixedly installed on the top face of the exhaust fan. The heating mechanism comprises an electric heating coil and a temperature controller. According to the safety protection type lead melting pot, through the arrangement of the protection mechanism, the rock wool sleeve and the ceramic fiber sleeve conduct heat preservation on the lead melting pot body, heat loss is reduced, more energy is saved during lead melting, in addition, the rock wool sleeve and the ceramic fiber sleeve also protect the lead melting pot body, and an operator is prevented from being scalded when making contact with the lead melting pot body.

This utility model relates to the field of copper alloy tube grain refinement technology and discloses a copper alloy tube grain refinement device, which solves the problem that the grain refinement device used in copper alloy tube production cannot automatically add grain refiner during use. The device includes a furnace, with a top cover installed on the top of the furnace. A stirring motor is fixedly installed at the center of the top of the top cover. A rotating rod is fixedly installed at the bottom of the output shaft of the stirring motor, and the bottom of the rotating rod extends movably through and into the interior of the furnace. Stirring rods are uniformly fixedly installed inside the furnace, outside the rotating rods. A control switch is fixedly installed on one side of the stirring motor, at the top of the top cover. An automatic feeding component is fixedly installed on the side of the stirring motor away from the control switch, at the top of the top cover. This utility model enables the grain refinement device used in copper alloy tube production to automatically add grain refiner during use, improving operational safety.

A multi-field assisted solidification levitation melting and pulling ingot device includes a melting vessel configured to contain metal so that the metal is heated in the melting vessel, a first electromagnetic generating device configured to surround the melting vessel to heat the metal and levitate the metal within the melting vessel by generating a magnetic field, and an ultrasonic vibration pulling ingot device configured to contact the liquid metal and provide guidance to solid metal solidified from the liquid metal. The ultrasonic vibration pulling ingot device is configured to generate and transmit ultrasonic vibrations to a solidification interface of the metal while guiding the solid metal. A method is also provided.

The invention discloses zinc liquid purification equipment and a use method thereof, and relates to the technical field of zinc liquid purification. The equipment comprises a reaction kettle, a heating system, a gas injection system, a stirring system and a filtering system. Accurate temperature control is realized through the electric heating sleeve and the multi-point temperature measuring assembly; the gas injection system adopts a nitrogen annular distributor and a special chlorine nozzle, and is combined with a double-layer stirring paddle to strengthen gas-liquid mixing; and the filtering system adopts a ceramic filter pipe and is equipped with a backwashing device, so that online cleaning is realized. During use, nitrogen is firstly introduced for impurity removal, then chlorine is introduced for reaction to generate insoluble chloride, and solid impurities are filtered out after standing. The device improves the gas-liquid contact efficiency and the reaction rate, realizes efficient and continuous purification of the zinc liquid, and is suitable for high-purity zinc production.

The present application relates to the technical field of smelting furnace, and provides a melting and preserving integrated furnace for non-ferrous metal recycling, which is characterized by comprising a furnace body, an electromagnetic rolling stirring device and an electromagnetic propeller, the furnace body has a feeding cavity, a cold chamber and a hot chamber which are sequentially communicated, a spoiler wall is arranged between the feeding cavity and the cold chamber, the lower part of the spoiler wall is provided with a liquid passage, the electromagnetic rolling stirring device is arranged at the lower part outside the feeding cavity, the electromagnetic rolling stirring device is configured to drive part of the molten liquid in the feeding cavity to enter the cold chamber through the liquid passage, and drive part of the molten liquid in the feeding cavity to impact the spoiler wall and roll downward, so as to stir the raw materials by means of the solution, and the electromagnetic propeller is arranged on the outer bottom wall of the furnace body. The melting and preserving integrated furnace provided by the present application realizes the circulation of the molten liquid in the furnace cavity of the smelting furnace through the cooperation of the electromagnetic rolling stirring device and the electromagnetic propeller, and solves the technical problem that the existing technology adopts the graphite rotor to circulate the cold and hot molten liquid, which is easy to mix impurities.