451results 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 relates to the technical field of secondary aluminum processing, in particular to secondary aluminum melting equipment. The communicating ports used for communicating the feeding chamber with the high-temperature chamber are formed in the two sides of the partition wall, the circulating mechanism drives molten aluminum in the feeding chamber and the high-temperature chamber to form rotating vortexes, high-temperature molten aluminum in the high-temperature chamber and the fed molten aluminum in the feeding chamber are subjected to internal circulation through the communicating ports, the molten aluminum circulation mode is changed, and the molten aluminum circulation efficiency is improved. Molten aluminum circulation is only formed in the furnace, a runner outside the furnace is not needed any more, no obvious molten aluminum rolling exists, impurities and oxides are effectively reduced, the melting effect of the feeding chamber is improved, heat losses are reduced, and the machining cost is reduced.

The invention belongs to the technical field of smelting furnaces, and discloses an energy-saving metallurgical smelting furnace based on intelligent control and a using method thereof, and the smelting furnace comprises a furnace body, a furnace lining, a top cover and a monitoring mechanism; a furnace lining is arranged on the inner side of the furnace body; a top cover is detachably arranged on the furnace body; a plurality of hydraulic rods are fixedly arranged on the top plate; the lower ends of the hydraulic movable rods are fixedly connected with the top cover; a combustor is fixedly arranged on one side of the furnace body; a combustion improver pipe and a combustion agent pipe are arranged on the combustor; two annular pipes are fixedly arranged on the furnace body, and a plurality of connecting pipes are uniformly distributed on the annular pipes; a plurality of burners are arranged on the inner wall of the furnace lining; and a monitoring mechanism is arranged on the furnace body. Key parameters such as temperature and energy consumption in the smelting process are monitored in real time through the intelligent system, energy input and smelting requirements are dynamically matched, and energy waste is avoided; the production efficiency is improved; the product quality is stabilized; the intelligent system can monitor the running state of equipment in real time, reduce the risk of safety accidents and guarantee the safety of personnel and equipment.

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 invention belongs to the technical field of preparation and application of non-ferrous metal composite materials, and particularly relates to a ceramic particle premixing reinforced magnesium-based composite material semi-solid die casting method and system. A preparation step of prefabricated composite particles is added in front of a feed port of the semi-solid hydraulic casting pulping machine, and the prefabricated composite particles are obtained by heating, melting, premixing, cooling and crushing interface-optimized ceramic particles and magnesium-based alloy particles. The ceramic particles are subjected to interface optimization treatment and further premixed with the magnesium-based alloy through a specific premixing process, the ceramic particles and the magnesium-based alloy cooperate with each other to prepare prefabricated composite particles, and a high-quality metallurgical bonding interface is formed under controllable conditions; the prefabricated composite particles are used as feeding materials of a semi-solid die-casting process, the raw material basis of semi-solid die-casting is thoroughly changed, the uniformity and excellent interface of a final composite material product are ensured, and therefore the mechanical property of the composite material is remarkably improved.

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.

The utility model discloses a truss type operation device for an aluminum melting furnace, which belongs to the technical field of melting furnaces and comprises two supporting legs and a horizontal rail beam erected between the two supporting legs, a rack is mounted on the horizontal rail beam and provided with a traveling mechanism matched with the horizontal rail beam, a main shaft is arranged in the rack in the vertical direction, and the main shaft is connected with a main shaft. One end of the main shaft is connected with a lifting driving device, and the other end is connected with a telescopic swing arm through a rotary driving mechanism. By means of the operation device, a tool installed at the tail end of the movable swing arm can reach any coordinate point in the furnace, no dead point exists in operation, and the working strength is even.

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 smelting devices, and discloses an aluminum alloy casting constant temperature device which comprises a heating furnace, a furnace cover is arranged on the heating furnace, a heating tank is arranged in the heating furnace, a spiral heating wire sleeves the heating tank, the spiral heating wire is fixedly connected with the heating furnace, a base is attached to the lower side of the heating furnace, and a round pipe is fixedly installed on the base. An L-shaped strip is fixedly installed on the circular pipe, when a limiting block on the furnace cover moves to a blocking strip, the furnace cover can be blocked from rotating, in this way, the heating furnace rotates to drive the heating tank to rotate, and therefore the heating furnace can be matched with the static circular pipe and the graphite rod to stir internal metal, the heating uniformity of the metal can be improved, and the smelting speed of the metal is increased; and meanwhile, when the metal is not molten completely, the graphite rod and the round pipe can be supported by the metal and cannot move downwards, and when the metal starts to be molten, the graphite rod and the round pipe can move downwards slowly, so that a user can roughly judge the metal smelting degree according to the position of the lifting strip.

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 present invention discloses a deslagging and degassing device for refining cast aluminum alloys and a process thereof, comprising a processing box, a servo motor fixedly installed in the processing box, a driving shaft fixedly installed on the driving end of the servo motor, a stirring barrel rotatably installed in the processing box via a top plate, a feeding pipe rotatably installed between the stirring barrel and the processing box, a gas diffusion pipe fixedly installed on the stirring barrel, a plurality of stirring mechanisms installed on the driving shaft, a heating plate fixedly installed on the driving shaft, a feeding mechanism installed in the stirring barrel, a heat conduction box fixedly installed on the processing box, and a rotationally connected heat conduction box and the stirring barrel. The advantages are: the present invention can increase the discharge effect of waste slag in aluminum alloy refined liquid by adopting repeated stirring and stepwise heating, and can better discharge waste gas in the aluminum alloy refined liquid by adopting a reciprocating separation extrusion method, thereby improving the deslagging and degassing effects.

The utility model relates to an air-cooled electromagnetic stirrer inductor for an aluminum melting furnace, which comprises an inductor body, an air duct device is arranged at the bottom of the inductor body, and the inductor body is covered by a ventilated frame; the inductor body comprises a pressing plate and N ring-shaped coils, and all the coils are regularly arranged in a line; each coil encloses a corresponding silicon steel sheet unit; each silicon steel sheet unit comprises a plurality of silicon steel sheets which are arranged at intervals and arranged in a row, and a partition plate is arranged between every two adjacent silicon steel sheets. The silicon steel sheet units and the pressing plates are connected through a plurality of screw rods which transversely penetrate through the silicon steel sheet units and the pressing plates; ngt; = 2. The product is simple in structure and convenient to operate, does not need a cooling water system, cools the inductor body through blowing of the fan, omits a complex cooling water system, and is energy-saving and consumption-reducing.

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.

Methods for regulating or controlling a melting furnace (1) and the melting furnace (1), namely a shaft furnace, for melting metal are presented. In order to be able to determine the molten metal (9) of the metal melting bath (6) accurately and reliably, it is proposed that the pumping device (7a, 7b) has an access opening (13) arranged higher than the molten metal (9) and outside the furnace chamber (2), and that the device (10) for laser-induced plasma spectroscopy (LIBS) acts on the molten metal (9) through this access opening (13).

The invention relates to a system and method for bottom electrode compound bottom blowing of multi-media of DC electric arc furnace, which belongs to the field of steelmaking technology. The system includes a plurality of bottom electrodes located at the bottom of furnace, wherein some of the bottom electrodes are bottom blowing electrodes with hollow structures, and some of the bottom blowing electrodes are at least one type of Type I bottom electrode, Type II bottom electrode and Type III bottom electrode; the Type I bottom electrode is used to blow carbonaceous materials into the molten pool to carburize the molten pool to accelerate scrap melting; the Type II bottom electrode is used to blow slagging powder into the molten pool to form molten slag particles in the molten metal to increase the gas-slag-gold three-phase reaction interface area during the dephosphorization reaction; the Type III bottom electrode is used to blow gas into the molten pool to accelerate mass transfer in the molten pool; the system also includes a control unit connected to the bottom blowing electrode to realize online adjustment of the blowing parameters in combination with the power supply intensity of the bottom blowing electrode during the smelting process. The invention can improve production efficiency and reduce consumption of raw and auxiliary materials.

To provide an immersion apparatus and a method for detecting a position of an optical core line using the immersion apparatus.SOLUTION: Provided is an immersion apparatus (10) for measuring a temperature of a metal melt (64) in a container (62) of an electric arc furnace (60) using an optical core line (50), which comprises: a blowing lance (28) for blowing a purge gas into an entry point to the container (62); and detection means for detecting a position of the optical core line (50). The optical core line (50) can be moved with respect to the entry point in a feed channel (20) and / or the blowing lance (28). The detection means is composed so as to detect the presence of the optical core line (50) in the blowing lance (28) or in the vicinity thereof. This enables a short distance between a tip of a fiber and a melt, and therefore enables a short time interval between temperature measurement sequences.SELECTED DRAWING: Figure 6

The invention relates to the field of smelting magnetic stirring, in particular to an aluminum alloy smelting magnetic stirring system which comprises a magnetic field sensing module, an anomaly detection module, a coupling output module and a database. The anomaly detection module extracts magnetic field signal features through a Morlet wavelet transform 1D-CNN and LSTM hybrid network, and identifies abnormal working conditions; the coupling output module constructs a four-field coupling equation based on FEM and CFD, introduces a modified turbulence model, and optimizes magnetic field parameters by taking flow velocity, temperature and impurity distribution uniformity as targets after discretization solution; accurate regulation and control and anomaly detection of the aluminum alloy smelting process are achieved, and the stirring effect and the process stability are improved.

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.

The utility model discloses an efficient stirring device for a lead alloy smelting furnace, which comprises a stirring device main body and a controller, and the controller is arranged on the right side of the smelting furnace and is in telecommunication connection with the stirring device main body; the stirring device body further comprises an adjusting platform, a stirring rod rotating device and a blade-movable stirring rod, the adjusting platform is arranged above the smelting furnace, the stirring rod rotating device is arranged below the adjusting platform, and the front end of the blade-adjustable stirring rod is connected with the tail end of the stirring rod rotating device. According to the utility model, the stirring center of the device is movable, so that the mixing efficiency is improved; the stirring angle can be adjusted, so that the mixing effect is enhanced; the stirring blades are detachable, the stirring position can be adjusted up and down, and the applicability of the device is improved; the device is high in overall stirring efficiency, short in consumed time and good in energy-saving benefit.

The utility model provides metal cold crucible induction melting equipment for powdery inorganic compounds. The metal cold crucible induction melting equipment comprises a metal cold crucible, an induction heating power supply and a stirring-bubbling device, the metal cold crucible is used for containing a compound material, and the crucible wall of the metal cold crucible is formed by surrounding metal flaps; a plate-shaped crucible bottom is arranged at the bottom of the metal cold crucible, and the crucible bottom is arranged in a slotted mode; the stirring-bubbling device comprises a metal main pipe into which a compound material is inserted, the bottom of the metal main pipe is sealed, and a quartz plate is mounted at the top in a sealing manner; a plurality of branch pipes communicated with the main metal pipe are mounted at the lower section of the main metal pipe; an air inlet pipe communicated with the main metal pipe is mounted at the upper end of the main metal pipe; and a driving mechanism is mounted above the metal cold crucible to drive the metal main pipe to rotate. The stirring device disclosed by the utility model not only has a mechanical stirring function, but also can be used as a gas channel to bubble towards a molten pool so as to generate a further stirring function.

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.