CN213826908U - Built-in electromagnetic stirring melt processing device - Google Patents
Built-in electromagnetic stirring melt processing device Download PDFInfo
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- CN213826908U CN213826908U CN202022301312.XU CN202022301312U CN213826908U CN 213826908 U CN213826908 U CN 213826908U CN 202022301312 U CN202022301312 U CN 202022301312U CN 213826908 U CN213826908 U CN 213826908U
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Abstract
The utility model provides a pair of built-in electromagnetic stirring fuse-element processing apparatus relates to metal material processing technology field, include: a device housing; the temperature control device comprises a first cooling medium channel and/or a second cooling medium channel, the first cooling medium channel is arranged outside the device shell, and the second cooling medium channel is communicated with the inner cavity of the device shell; the electromagnetic stirring generating device comprises a magnetic yoke and an electromagnetic stirring coil, wherein the magnetic yoke is formed by laminating multiple layers of silicon steel sheets, and the electromagnetic stirring coil is fixed on the magnetic yoke; the electromagnetic stirring generating device is arranged in the inner cavity of the device shell. According to the technical scheme, the heat dissipation area inside the alloy melt and the area of the nucleation base can be effectively increased, the melt with a very uniform temperature field and component field distribution is finally obtained, a large number of crystal nuclei in the solidification initial stage of the melt are promoted to be instantly generated and successfully survive in the melt, and the solidification structure with fine and round grain structure and uniform components is favorably obtained.
Description
Technical Field
The utility model belongs to the technical field of the metal material processing technique and specifically relates to a built-in electromagnetic stirring fuse-element processing apparatus is related to.
Background
The refinement and homogenization of the solidification structure are key links for improving the performance and the quality of the metal material, and are the technical basis for realizing the short-flow near-net-shape forming of the metal material. However, due to the inherent solidification characteristics of metallic materials, the structure generally exhibits the distribution characteristics of a "zone of three-crystals", and the problems of coarse grains, segregation of components, non-uniform structure and the like exist, which is particularly serious for the solidification of large-volume high-alloying metal melts.
Therefore, how to obtain fine, round and uniformly distributed coagulated tissues has been a hot problem for the researches of the material researchers. Aiming at the scientific problem, applying an external field is tried at home and abroad to interfere the property and the solidification process of the alloy melt, the alloy melt flows by applying the external field, and the temperature field and the component field of the alloy melt are promoted to be uniform, so that the control of the solidification structure of the alloy melt is realized, and the solidification structure with fine and round grains and uniform components is obtained.
The electromagnetic stirring method has the advantages of high density and cleanness of energy, excellent responsiveness and controllability, easy automation, high energy utilization rate and the like, so that the industrialization is realized first and the wide commercial application is obtained. However, when the metal solution is stirred by the electromagnetic stirring method in the prior art, the amount of the solution stirred at a single time is small, and stirring of a large amount of the melt cannot be achieved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a built-in electromagnetic stirring fuse-element processing apparatus to solve the technical problem that can't realize the stirring of big molten liquid volume among the prior art.
The utility model provides a pair of built-in electromagnetic stirring fuse-element processing apparatus, include:
a device housing;
a temperature control device including a first cooling medium passage and/or a second cooling medium passage, the first cooling medium passage including a first inlet passage, a first outlet passage, and a circulation passage; the circulating channel is arranged outside the device shell, the first inlet channel and the first outlet channel are respectively communicated with two ends of the circulating channel, and the second cooling medium channel is communicated with an inner cavity of the device shell;
the electromagnetic stirring generating device comprises a magnetic yoke and an electromagnetic stirring coil, wherein the magnetic yoke is formed by laminating multiple layers of silicon steel sheets, and the electromagnetic stirring coil is fixed on the magnetic yoke; the electromagnetic stirring generating device is arranged in an inner cavity of the device shell.
Further, the method also comprises the following steps:
and the magnetic resistance clapboard is arranged in the middle of the device shell and is positioned above the electromagnetic stirring generating device.
Further, the device shell comprises an upper shell and a lower shell which are communicated, the upper shell and the lower shell are both cylindrical shells, and the diameter of the upper shell is smaller than or equal to that of the lower shell;
the magnetic resistance clapboard is arranged between the upper shell and the lower shell, and the electromagnetic stirring generating device is positioned in the inner cavity of the lower shell.
Furthermore, an inlet and an outlet which are communicated with the inner cavity of the device shell are formed on the device shell;
the two ends of the circulating channel are communicated with the inlet and the outlet respectively, the first inlet channel and the first outlet channel are communicated with the inner cavity of the device shell, and the inlet and the outlet are communicated with the two ends of the circulating channel respectively.
Further, the circulation channel is a helical channel that is wound around the exterior of the device housing.
Further, the second cooling medium passage includes a second inlet passage and a second outlet passage;
the second inlet passage and the second outlet passage are both in communication with the interior chamber of the device housing.
Further, the depth of the outlet end of the second inlet channel in the inner cavity of the device shell is smaller than the depth of the inlet end of the second outlet channel in the inner cavity of the device shell.
Further, the method also comprises the following steps:
and the power supply circuit of the electromagnetic stirring generation device extends out of the device shell along the line channel.
Furthermore, the device shell is made of heat insulation materials.
In the technical scheme, the high-shear violent turbulent motion of the alloy melt can be realized, the defect of nonuniform stirring (particularly large-volume alloy melt) caused by circumferential motion characteristics and skin effect of electromagnetic stirring is overcome, the internal heat dissipation area and the nucleation base area of the alloy melt are effectively increased, the melt with uniform temperature field and component field distribution is finally obtained, a large amount of crystal nuclei in the initial solidification stage of the melt are promoted to be instantly generated and successfully survive in the melt, and the solidification structure with fine and round grain structure and uniform components is favorably obtained. And compared with external electromagnetic stirring, the internal electromagnetic stirring melt processing device is arranged in the melt, so that the stirring device is small in size, and the industrial application cost is greatly reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a perspective view of a built-in electromagnetic stirring melt processing device according to an embodiment of the present invention;
FIG. 2 is a first angled cross-sectional view of the built-in electromagnetic stirring melt processing device shown in FIG. 1;
FIG. 3 is a second angular cross-sectional view of the built-in electromagnetic stirring melt processing apparatus shown in FIG. 1;
fig. 4 is a usage state diagram of a built-in electromagnetic stirring melt processing device according to an embodiment of the present invention.
Reference numerals:
1. a device housing; 2. a first cooling medium passage; 3. a second cooling medium passage;
4. an electromagnetic stirring generating device; 5. a magnetic resistance separator; 6. a line channel;
7. an alloy melt; 8. a crucible;
11. an upper housing; 12. a lower housing;
21. a first access channel; 22. a first discharge passage; 23. a circulation channel;
31. a second inlet channel; 32. a second discharge passage.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to fig. 3, the present embodiment provides a built-in electromagnetic stirring melt processing apparatus, including:
a device housing 1;
a temperature control device including a first cooling medium passage 2 and/or a second cooling medium passage 3, the first cooling medium passage 2 communicating with a circulation passage 23 provided outside the device case 1 through a first inlet passage 21 and a first outlet passage 22 provided inside the device case 1, the second cooling medium passage 3 communicating with an inner cavity of the device case 1;
the electromagnetic stirring generating device 4 comprises a magnetic yoke and an electromagnetic stirring coil, wherein the magnetic yoke is formed by laminating multiple layers of silicon steel sheets, and the electromagnetic stirring coil is fixed on the magnetic yoke; the electromagnetic stirring generating device 4 is arranged in the inner cavity of the device shell 1.
Referring to fig. 1 to 4, the temperature control device may be composed of a first cooling medium channel 2 and/or a second cooling medium channel 3, and a cooling medium may be introduced into both the first cooling medium channel 2 and/or the second cooling medium channel 3, and a person skilled in the art may introduce a cooling medium with a suitable form into the first cooling medium channel 2 and/or the second cooling medium channel 3 according to needs, which is not described herein again. The device case 1 is made of a heat insulating material.
Wherein the first cooling medium passage 2 may include a first inlet passage 21, a first outlet passage 22, and a circulation passage 23; the circulation passage 23 is provided outside the device case 1, and the first intake passage 21 and the first discharge passage 22 communicate with both ends of the circulation passage 23, respectively.
Preferably, the first cooling medium channel 2 may be filled with a cooling gas, and the second cooling medium channel 3 may be filled with a cooling liquid. At this time, the cooling gas in the first cooling medium passage 2 can be used to control the temperature of the circulation passage 23, achieving precise control of heat dissipation inside the melt. The cooling liquid in the second cooling medium channel 3 can be used for cooling the electromagnetic stirring generating device 4, so that the electromagnetic stirring generating device 4 is prevented from being damaged due to too high heat generation, and meanwhile, the electromagnetic stirring generating device 4 is prevented from being corroded.
Preferably, the device shell 1 is provided with an inlet and an outlet which are communicated with the inner cavity of the device shell; the two ends of the circulating channel 23 are respectively communicated with the inlet and the outlet, the first inlet channel 21 and the first outlet channel 22 are communicated with the inner cavity of the device shell 1 and respectively communicated with the two ends of the circulating channel 23 through the inlet and the outlet.
The cooling gas can be nitrogen, argon, air and the like, the cooling gas with specific temperature and flow rate is introduced into one end of the first cooling medium channel 2 through the external high-pressure gas box temperature control equipment, then the cooling gas is introduced into the gas box temperature control equipment through the other end of the first cooling medium channel 2, the circulation of a gas circuit is realized, the temperature constancy is ensured, the enough heat dissipation strength of the surface of the melt contacted with the circulating channel 23 is ensured, the supercooling degree of the melt is increased, and the nucleation and crystallization of the alloy melt 7 are promoted.
Wherein the circulation channel 23 may be a helical channel wound around the outside of the device housing 1. The spiral channel can be made of high-heat-fusion materials, a hollow structure into which cooling gas can be introduced is formed, and the alloy melt 7 is nucleated on the outer surface of the spiral channel in a large amount through the large heat absorption effect of the cooling gas and the high-heat-fusion materials.
The thread height of the spiral channel can be 5 mm-100 mm, such as 12mm, 22mm, 36mm, 66mm, 88mm and the like, the thread pitch is 20 mm-200 mm, such as 22mm, 66mm, 126mm, 188mm and the like, the cross section shape of the thread can be isosceles trapezoid, the acute angle degree of the isosceles trapezoid is 45-90 degrees, wherein the thread can be single thread, double thread or multiple thread, the wall thickness of the spiral channel is 1 mm-20 mm, such as 2mm, 6mm, 8mm, 12mm, 16mm and the like, the material is high hot melt material, and the vertical height of the spiral channel is 50 mm-600 mm, such as 60mm, 66mm, 88mm, 366mm, 488mm and the like.
Meanwhile, the second cooling medium passage 3 may include a second inlet passage 31 and a second outlet passage 32; the second inlet channel 31 and the second outlet channel 32 both communicate with the inner cavity of the device housing 1. Preferably, the outlet end of the second inlet channel 31 is located at a smaller depth in the inner cavity of the device housing 1 than the inlet end of the second outlet channel 32 is located at the inner cavity of the device housing 1. The cooling liquid can be oil or plasma water and the like, the liquid with specific temperature is introduced into one end of the second cooling medium channel 3 through the external liquid storage tank temperature control device, the other end of the second cooling medium channel 3 is connected into the liquid storage tank temperature control device, circulation of the cooling liquid is achieved, the temperature constancy of the electromagnetic stirring generating device 4 is guaranteed, the damage caused by overhigh temperature is avoided, and meanwhile the cooling liquid can avoid the corrosion of the electromagnetic stirring generating device 4.
In addition, the electromagnetic stirring generation device 4 may include a yoke and an electromagnetic stirring coil. The magnetic yoke is formed by laminating multiple layers of silicon steel sheets, and the electromagnetic stirring coil is fixed on the magnetic yoke. The coil is formed by winding a solid high-quality copper wire, and the solid copper wire is wrapped by insulating rubber. The electromagnetic coil is electrified with alternating current in the working process to generate a high-density magnetic field, and the alloy melt 7 is stirred and sheared. The stirring coils are three-phase multi-pole pairs (3, 6 and 9 pairs), the stirring frequency can be low frequency, power frequency, intermediate frequency or even high frequency, and the stirring current range is 5A-500A. The electromagnetic stirring generating device 4 can be composed of a single layer or multiple layers, is positioned in the middle of the built-in electromagnetic stirring melt processing device, and can generate a rotating magnetic field, a traveling wave magnetic field and a spiral magnetic field according to different requirements of melt stirring.
Further, the electromagnetic stirring device further comprises a magnetic resistance clapboard 5, wherein the magnetic resistance clapboard 5 is arranged in the middle of the device shell 1 and is positioned above the electromagnetic stirring generating device 4. The magnetic-resisting baffle plate 5 has the function of isolating a magnetic field, is used for preventing an electromagnetic field from penetrating into the upper part of the melt, prevents the disturbance of the surface of the melt in the stirring process, concentrates the magnetic field in a specific area, solves the problem that the melt level fluctuates violently to cause gas entrainment and slag inclusion of the melt caused by traditional strong electromagnetic stirring, and obtains the high-purity alloy melt 7. The thickness of the magnetic barrier 5 is preferably 1mm to 20mm, for example, 2mm, 6mm, 8mm, 12mm, 16mm, and the material of the magnetic barrier 5 is preferably iron-nickel alloy, magnetic stainless steel, or the like.
Preferably, the device housing 1 may include an upper housing 11 and a lower housing 12 which are communicated with each other, the upper housing 11 and the lower housing 12 are both cylindrical housings, and the diameter of the upper housing 11 is smaller than or equal to the diameter of the lower housing 12; the magnetic resistance baffle plate 5 is arranged between the upper shell 11 and the lower shell 12, and the electromagnetic stirring generating device 4 is positioned in the inner cavity of the lower shell 12.
The upper housing 11 is a cylindrical housing with a small radius and made of a heat insulating material, and can be used for connecting the first cooling medium channel 2, the second cooling medium channel 3 and the circuit channel 6 of the electromagnetic stirring generation device 4. The radius of the upper housing 11 may be 20mm to 400mm, for example, 22mm, 66mm, 126mm, 188mm, 388mm, etc., the height may be 40mm to 400mm, for example, 56mm, 66mm, 226mm, 388mm, etc., the wall thickness may be 1mm to 20mm, for example, 2mm, 6mm, 8mm, 12mm, 16mm, etc., and the material may be a heat insulating material. The lower casing 12 is also a cylindrical casing, and the lower casing 12 is made of a material having a heat insulation function, and can be used for preventing a large amount of heat from being transmitted into the inner cavity, which causes damage to the electromagnetic stirring generating device 4 due to an excessively high temperature. The radius of the lower case 12 may be 40mm to 400mm, for example, 56mm, 66mm, 226mm, 388mm, etc., the height may be 60mm to 600mm, for example, 60mm, 66mm, 88mm, 366mm, 488mm, etc., the wall thickness may be 1mm to 20mm, for example, 2mm, 6mm, 8mm, 12mm, 16mm, etc., and the material may be a heat insulating material. With this structure, the magnetic barrier 5 can be disposed between the upper case 11 and the lower case 12.
The built-in electromagnetic stirring melt processing device also comprises a circuit channel 6, wherein the circuit channel 6 is communicated with the inner cavity of the device shell 1, and a power supply circuit of the electromagnetic stirring generating device 4 extends out of the device shell 1 along the circuit channel 6. Therefore, after the electromagnetic stirring generating device 4 is assembled in the inner cavity of the device shell 1, the power supply circuit can be extended along through the circuit channel 6, so that the assembly integrity of the whole built-in electromagnetic stirring melt processing device is ensured, and the electromagnetic stirring generating device 4 can work normally. Preferably, the line channel 6 can be arranged in the upper housing 11.
During operation, as shown in fig. 4, the alloy melt 7 can be contained in the crucible 8, and the built-in electromagnetic stirring melt processing device is firstly put into the alloy melt 7 to be processed, so as to ensure that the lower end of the built-in electromagnetic stirring melt processing device completely enters the alloy melt 7. Wherein, the distance between the built-in electromagnetic stirring melt processing device and the bottom of the crucible 8 can be controlled to be 10mm-400 mm. And opening the first cooling medium channel 2 and/or the second cooling medium channel 3 to ensure that the temperature inside and outside the built-in electromagnetic stirring melt processing device reaches a specific value, and starting the electromagnetic stirring generating device 4 when the temperature of the alloy melt 7 is reduced to the specific temperature, so that the alloy melt 7 is only subjected to high-shear intense circulating turbulence disturbance inside and is not moved on the surface, and the temperature field and the component field in the volume of the whole alloy melt 7 are uniformly distributed. And when the alloy melt 7 reaches a specific temperature, indicating that the treatment of the alloy melt 7 is finished, injecting the alloy melt 7 into a forming device.
In this case, the 7050 aluminum alloy will be taken as an example, and the internal electromagnetic stirring melt processing apparatus will be further described.
The internal diameter of the upper shell 11 of the built-in electromagnetic stirring melt processing device is 30mm, the height is 80mm, and the wall thickness is 2 mm. The inner diameter of the lower shell 12 is 100mm, the height is 80mm, the wall thickness is 2mm, and the shell is made of heat insulating materials. The height 15mm of heliciform passageway, pitch 20mm, screw thread cross sectional shape are isosceles trapezoid, and isosceles trapezoid acute angle degree is 70, and the screw thread is single thread, and the heliciform passageway is hollow structure, wall thickness 2 mm. The magnetic resistance baffle plate 5 is made of iron-nickel alloy, the diameter is 100mm, and the thickness is 5 mm. The electromagnetic stirring generating device 4 is formed by laminating silicon steel sheets, the thickness of the electromagnetic stirring generating device is 20mm, the number of turns of a coil is 100, and the coil is a three-phase antipode. Meanwhile, the size of the alloy melt 7 is 300mm in diameter and 160mm in height. The crucible 8 has the size of 300mm of inner diameter, 200mm of height and 2mm of thickness.
Firstly, 7050 aluminum alloy metal melt with the temperature of 750 ℃ after degassing, deslagging and refining is injected into a crucible 8. The built-in electromagnetic stirring melt processing device is placed into the alloy melt 7, and the distance from the lower end of the built-in electromagnetic stirring melt processing device to the bottom end of the crucible 8 is ensured to be 40 mm. And opening the first cooling medium channel 2 and/or the second cooling medium channel 3 to ensure that the temperature of the external circulating channel 23 of the built-in electromagnetic stirring melt processing device reaches 300 ℃, the internal temperature is lower than 200 ℃, when the melt temperature is reduced to 720 ℃, starting the electromagnetic stirring generating device 4, stirring at the frequency of 50Hz and stirring at the current of 20A to ensure that the alloy melt 7 only undergoes high-shear severe circulating turbulence disturbance in the interior and does not move on the surface. And when the temperature of the alloy melt 7 reaches 650 ℃, indicating that the treatment of the alloy melt 7 is finished, taking out the built-in electromagnetic stirring melt treatment device, and injecting the alloy melt 7 into a die-casting, extrusion casting or semi-continuous casting forming die to form a part or a bar blank.
Compared with the common extrusion casting part, the extrusion casting part treated by the method has the advantages that the structure is fine and uniform, the grain size is reduced by 48%, the chemical composition segregation is greatly reduced, the casting defects are few, the mechanical property is effectively improved, and the tensile strength, the yield strength and the elongation are respectively increased by 30%, 26% and 32%. Compared with the common semi-continuous casting bar blank, the bar material processed by the method has fine and uniform structure, the grain size difference of the edge part and the core part is reduced from 100% to 6%, the chemical component segregation of the edge part and the core part is reduced from 20% to 3%, the solidification defect is few, and the performance of the bar blank is improved by 20% after deformation treatment such as ring rolling, forging and the like. Meanwhile, the built-in electromagnetic stirring melt processing device can be used for processing common aluminum alloy melts 7, and can also be used for processing alloy melts 7 of magnesium alloy, copper alloy, zinc alloy, titanium alloy and the like and particle-reinforced metal matrix composite materials thereof. The treated melt may be injected into extrusion casting equipment, die casting equipment, semi-continuous casting equipment and other forming equipment, etc.
In conclusion, the built-in electromagnetic stirring melt processing device can realize high-shear violent turbulent motion of the alloy melt 7, overcomes the defect of nonuniform stirring (especially large-volume alloy melt 7) caused by circumferential motion characteristics and skin effect of electromagnetic stirring, effectively increases the internal heat dissipation area and nucleation base area of the alloy melt 7, finally obtains the melt with uniform temperature field and component field distribution, promotes a large amount of crystal nuclei of the melt at the initial solidification stage to be instantly generated and successfully survive in the melt, and is favorable for obtaining a solidification structure with fine and round grain structure and uniform components. And compared with external electromagnetic stirring, the internal electromagnetic stirring melt processing device is arranged in the melt, so that the stirring device is small in size, and the industrial application cost is greatly reduced.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (9)
1. A built-in electromagnetic stirring melt processing device is characterized by comprising:
a device housing;
a temperature control device including a first cooling medium passage and/or a second cooling medium passage, the first cooling medium passage including a first inlet passage, a first outlet passage, and a circulation passage; the circulating channel is arranged outside the device shell, the first inlet channel and the first outlet channel are respectively communicated with two ends of the circulating channel, and the second cooling medium channel is communicated with an inner cavity of the device shell;
the electromagnetic stirring generating device comprises a magnetic yoke and an electromagnetic stirring coil, wherein the magnetic yoke is formed by laminating multiple layers of silicon steel sheets, and the electromagnetic stirring coil is fixed on the magnetic yoke; the electromagnetic stirring generating device is arranged in an inner cavity of the device shell.
2. The apparatus of claim 1, further comprising:
and the magnetic resistance clapboard is arranged in the middle of the device shell and is positioned above the electromagnetic stirring generating device.
3. The internal electromagnetic stirring melt processing device of claim 2, wherein the device housing comprises an upper housing and a lower housing which are communicated with each other, the upper housing and the lower housing are both cylindrical housings, and the diameter of the upper housing is smaller than or equal to that of the lower housing;
the magnetic resistance clapboard is arranged between the upper shell and the lower shell, and the electromagnetic stirring generating device is positioned in the inner cavity of the lower shell.
4. The built-in electromagnetic stirring melt processing device according to claim 1, wherein the device housing is provided with an inlet and an outlet which are communicated with the inner cavity of the device housing;
the two ends of the circulating channel are communicated with the inlet and the outlet respectively, the first inlet channel and the first outlet channel are communicated with the inner cavity of the device shell, and the inlet and the outlet are communicated with the two ends of the circulating channel respectively.
5. The built-in electromagnetic stirring melt processing device of claim 4, wherein the circulation channel is a helical channel that wraps around the outside of the device housing.
6. The built-in electromagnetic stirring melt processing device according to any of claims 1 to 5, wherein the second cooling medium channel comprises a second inlet channel and a second outlet channel;
the second inlet passage and the second outlet passage are both in communication with the interior chamber of the device housing.
7. The apparatus of claim 6, wherein the outlet end of the second inlet channel is located at a depth within the apparatus housing interior that is less than a depth of the inlet end of the second outlet channel within the apparatus housing interior.
8. The internal electromagnetic stirring melt processing device of any of claims 1-5, further comprising:
and the power supply circuit of the electromagnetic stirring generation device extends out of the device shell along the line channel.
9. The apparatus of any of claims 1-5, wherein the apparatus housing is made of a thermally insulating material.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022301312.XU CN213826908U (en) | 2020-10-15 | 2020-10-15 | Built-in electromagnetic stirring melt processing device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022301312.XU CN213826908U (en) | 2020-10-15 | 2020-10-15 | Built-in electromagnetic stirring melt processing device |
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