CN111334670A - Electromagnetic stirring crystallizer and electron beam cold bed furnace - Google Patents

Electromagnetic stirring crystallizer and electron beam cold bed furnace Download PDF

Info

Publication number
CN111334670A
CN111334670A CN201811556060.6A CN201811556060A CN111334670A CN 111334670 A CN111334670 A CN 111334670A CN 201811556060 A CN201811556060 A CN 201811556060A CN 111334670 A CN111334670 A CN 111334670A
Authority
CN
China
Prior art keywords
crystallizer
flange
insulating
main body
liquid inlet
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201811556060.6A
Other languages
Chinese (zh)
Other versions
CN111334670B (en
Inventor
岑孟江
刘源
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tsinghua University
Original Assignee
Tsinghua University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tsinghua University filed Critical Tsinghua University
Priority to CN201811556060.6A priority Critical patent/CN111334670B/en
Publication of CN111334670A publication Critical patent/CN111334670A/en
Application granted granted Critical
Publication of CN111334670B publication Critical patent/CN111334670B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
    • C22B9/16—Remelting metals
    • C22B9/22—Remelting metals with heating by wave energy or particle radiation
    • C22B9/228—Remelting metals with heating by wave energy or particle radiation by particle radiation, e.g. electron beams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/001—Continuous casting of metals, i.e. casting in indefinite lengths of specific alloys
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/10—Supplying or treating molten metal
    • B22D11/11—Treating the molten metal
    • B22D11/114—Treating the molten metal by using agitating or vibrating means
    • B22D11/115—Treating the molten metal by using agitating or vibrating means by using magnetic fields
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B34/00—Obtaining refractory metals
    • C22B34/10—Obtaining titanium, zirconium or hafnium
    • C22B34/12—Obtaining titanium or titanium compounds from ores or scrap by metallurgical processing; preparation of titanium compounds from other titanium compounds see C01G23/00 - C01G23/08
    • C22B34/1295—Refining, melting, remelting, working up of titanium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/02—Making non-ferrous alloys by melting

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Continuous Casting (AREA)

Abstract

The application provides an electromagnetic stirring crystallizer, including crystallizer main part, a plurality of insulating seal device, solenoid and cooling device. The crystallizer main body is provided with a liquid inlet. The side wall of the crystallizer main body close to one side of the liquid inlet is provided with a plurality of cutting seams along the circumferential direction. A plurality of insulating and sealing devices are arranged on the crystallizer main body. Each insulation sealing device corresponds to one cutting seam and is used for sealing the cutting seam. The electromagnetic coil is wound on the side wall of the crystallizer main body close to the liquid inlet, and the plurality of insulating sealing devices are arranged between the electromagnetic coil and the side wall. The cooling device is sleeved outside the crystallizer main body. The electromagnetic coil is arranged in the cooling device. The application provides an electron beam cold hearth furnace. This application not only can reduce the influence of vortex through the cooperation of solenoid, insulating sealing device and joint-cutting, improves the electromagnetic field and pierces through efficiency, can also make the molten metal distribution in the crystallizer main part even to improve surface quality.

Description

Electromagnetic stirring crystallizer and electron beam cold bed furnace
Technical Field
The application relates to the technical field of electron beam melting, in particular to an electromagnetic stirring crystallizer and an electron beam cold hearth furnace.
Background
In recent years, there has been an increasing demand for high-quality titanium alloys in the fields of aerospace, ships, and the like, and how to efficiently produce high-quality titanium alloys has become one of important issues of research.
Electron beam cold hearth furnaces have been widely used in recent years to produce high quality titanium and titanium alloy ingots. Because the smelting temperature is high, the smelting process is carried out in a vacuum environment, and a special cooling bed for deslagging is arranged, so that high-quality titanium ingots meeting the requirements of the fields of aerospace and the like can be prepared. The electron beam smelting furnace comprises an electron gun, a cooling bed and a crystallizer, when the electron beam smelting furnace works, the whole channel through which molten metal flows is scanned by an electron beam to keep the temperature of a melt, and a solidified part in the crystallizer is pulled out by an ingot pulling device.
The titanium and titanium alloy ingots produced by the crystallizer in the electron beam cold bed furnace at present have the defects of coarse grains, segregation and surface vibration marks.
Disclosure of Invention
Therefore, it is necessary to provide an electromagnetic stirring crystallizer and an electron beam cold hearth furnace for solving the problems of coarse grains, segregation and surface vibration marks of titanium and titanium alloy ingots produced by the existing crystallizer.
An electromagnetically stirred crystallizer comprising:
the crystallizer comprises a crystallizer main body and a crystallizer cover, wherein the crystallizer main body is provided with a liquid inlet, and a plurality of cutting seams are arranged on the side wall of the crystallizer main body close to one side of the liquid inlet along the circumferential direction;
the insulating sealing devices are arranged on the crystallizer main body, each insulating sealing device corresponds to one cutting seam, and the insulating sealing devices are used for sealing the cutting seams;
the electromagnetic coil is wound on the side wall of the crystallizer main body close to one side of the liquid inlet, and the plurality of insulating sealing devices are arranged between the electromagnetic coil and the side wall;
and the cooling device is sleeved outside the crystallizer main body, and the electromagnetic coil is arranged in the cooling device.
In one embodiment, the electromagnetic stirring crystallizer further comprises:
the insulating sealing device comprises a crystallizer main body, a plurality of grooves and a plurality of cutting seams, wherein the side walls of the crystallizer main body, which are close to one side of the liquid inlet, are provided with the insulating sealing devices, and each groove is internally provided with one insulating sealing device and corresponds to one cutting seam.
In one embodiment, the insulation sealing device comprises:
and the pressing block is embedded in the groove and used for sealing the cutting seam.
In one embodiment, the electromagnetic stirring crystallizer further comprises:
the insulation strip is filled in each cutting seam, and the insulation strip is arranged between the pressing block and the cutting seam.
In one embodiment, the electromagnetic stirring crystallizer further comprises:
and the at least one pressing ring is used for fixing the insulating sealing devices in the grooves.
In one embodiment, the electromagnetic stirring crystallizer further comprises:
the first fixing plate is arranged at one end, close to the liquid inlet, of the crystallizer main body;
and the second fixing plate is arranged at one end of the crystallizer main body, which is far away from the liquid inlet.
In one embodiment, the cooling device includes:
the water jacket is sleeved on the outer side of the crystallizer main body, and the electromagnetic coil is arranged between the water jacket and the crystallizer main body;
the first flange is fixed at one end of the water jacket close to the cutting seam and is fixedly connected with the first fixing plate;
and the second flange is fixed at one end of the water jacket, which is far away from the cutting seam, and is fixedly connected with the second fixing plate.
In one embodiment, the water jacket comprises:
the first connecting part is fixedly connected with the first flange and the second flange respectively;
and the second connecting part is fixedly connected with the first connecting part and is respectively fixedly connected with the first flange and the second flange.
In one embodiment, the cooling device further comprises:
the water inlet is arranged on one side, close to the second flange, of the second connecting part;
and the water outlet is arranged on one side of the second connecting part close to the first flange.
An electron beam cold hearth furnace comprising the electromagnetically stirred crystallizer of any of the above embodiments.
Compared with the prior art, the electromagnetic stirring crystallizer has the advantages that through the matching of the electromagnetic coil, the insulating sealing device and the cutting seam, the influence of eddy current can be reduced, the penetrating efficiency of an electromagnetic field is improved, and metal liquid in the crystallizer main body can be uniformly distributed, so that the surface quality is improved. Simultaneously, the device has the advantages of simple structure and low cost.
Drawings
Fig. 1 is a partial exploded view of an electromagnetic stirring crystallizer provided in an embodiment of the present application;
fig. 2 is a schematic structural diagram of an electromagnetic stirring crystallizer provided in an embodiment of the present application;
fig. 3 is a schematic structural diagram of a first connection portion according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of a second connection portion according to an embodiment of the present disclosure;
fig. 5 is a schematic structural diagram of an electron beam cold hearth according to an embodiment of the present application.
10 electromagnetic stirring crystallizer
100 crystallizer body
101 liquid inlet
103 side wall
104 slitting
105 insulating strip
110 first fixing plate
120 second fixing plate
20 electron beam cold bed furnace
200 insulation sealing device
210 briquetting
220 pressure ring
300 electromagnetic coil
400 cooling device
410 water jacket
411 first connecting part
412 second connecting part
413 water inlet
414 water outlet
420 first flange
430 second flange
500 groove
Detailed Description
In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is capable of embodiments in many different forms than those described herein and those skilled in the art will be able to make similar modifications without departing from the spirit of the application and it is therefore not intended to be limited to the embodiments disclosed below.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 and 2, an embodiment of the present application provides an electromagnetic stirring mold 10, which includes a mold body 100, a plurality of insulating sealing devices 200, an electromagnetic coil 300, and a cooling device 400. The crystallizer body 100 has a liquid inlet 101. A plurality of slits 104 are circumferentially formed in a sidewall 103 of the mold body 100 on a side close to the liquid inlet 101. A plurality of the insulating and sealing means 200 are installed in the mold body 100. Each insulation sealing device 200 corresponds to one slit 104. The insulation sealing device 200 is used for sealing the cutting seam 104. The electromagnetic coil 300 is wound around the sidewall 103 of the mold body 100 near the liquid inlet 101, and the plurality of insulating sealing devices 200 are disposed between the electromagnetic coil 300 and the sidewall 103. The cooling device 400 is sleeved outside the mold body 100. The electromagnetic coil 300 is disposed in the cooling device 400.
It is understood that the shape of the mold body 100 is not limited as long as it has a cavity. The specific shape of the mold body 100 can be selected according to actual requirements. In one embodiment, the shape of the crystallizer body 100 may be cylindrical. In one embodiment, the mold body 100 may have a rectangular parallelepiped shape. In one embodiment, the material of the mold body 100 may be pure copper. In one embodiment, the mold body 100 may be a round tube having an inner diameter of 260mm, an outer diameter of 380mm, and a height of 600 mm. In one embodiment, the slit length direction of the slits 104 is the axial direction of the circular tube.
In one embodiment, the number of slits 104 is greater than or equal to 16. In one embodiment, the slit width of the slit 104 is not limited as long as the function of reducing the eddy current is provided. The width of the slit 104 can be selected according to actual requirements. In one embodiment, the slit width of the slit 104 may be 0.5 mm. In one embodiment, the slit width of the slit 104 may be 0.8 mm. In one embodiment, the slot length of the slit 104 may be set to the height of the electromagnetic coil 300 plus 30 mm.
It is understood that the specific structure of the insulation sealing device 200 is not particularly limited as long as it has the functions of insulation, sealing and high temperature resistance. The specific structure of the insulating and sealing device 200 can be selected according to actual requirements. In one embodiment, the insulation sealing means 200 may be made of mica. In one embodiment, mica may be filled in the slits 104, and the slits 104 are insulation-sealed by the mica. In one embodiment, the insulation sealing device 200 may also be formed of a high temperature-resistant insulation plate, which is filled in the slit 104, and the slit 104 is insulation-sealed by the insulation plate.
The height of the electromagnetic coil 300 can be selected according to actual requirements. In one embodiment, the coil height of the electromagnetic coil 300 may be set to 80 mm. In one embodiment, the coil height of the electromagnetic coil 300 may also be set to 120 mm. In one embodiment, the coil height of the electromagnetic coil 300 is 30mm less than the slot length of the slit 104. In one embodiment, the material of the electromagnetic coil 300 is copper tube. In one embodiment, the top of the electromagnetic coil 300 is 10mm to 35mm opposite the top of the meniscus.
The electromagnetic coil 300 is used for generating electromagnetic force in the melt (i.e., the mold body 100), and the stirring action of the electromagnetic force generates electromagnetic stirring on the solidified molten metal, so as to achieve the effect of uniform composition and temperature (beneficial to forming isometric crystals). The electromagnetic stirring action also makes the dendritic crystal broken, which is beneficial to refining the crystal grains. Meanwhile, the electromagnetic continuous casting is beneficial to obtaining a smooth casting blank surface.
The operating principle of the electromagnetic coil 300 is as follows: when an alternating current J is passed through the induction coil0When the metal liquid is heated, an alternating electromagnetic field B is generated to act on the metal liquid, so that an induced current J is formed, and the current and the magnetic field B interact to form an electromagnetic force pointing to the interior of the metal liquid. The molten metal flows under the action of electromagnetic force. In one embodiment, the molten metal flows into the mold body 100 from the liquid inlet 101.
It is to be understood that the specific structure of the cooling device 400 is not particularly limited as long as it has a cooling function. The specific structure of the cooling device 400 can be selected according to actual requirements. In one embodiment, the cooling device 400 may be comprised of a jacket. A cooling medium (e.g., water) is introduced into the jacket to cool the mold body 100. In one embodiment, the cooling device 400 may also be a conventional device having a cooling function, such as a cooling system of an existing continuous casting machine.
In this embodiment, by the cooperation of the electromagnetic coil 300, the insulating sealing device 200 and the slit 104, the influence of eddy current can be reduced, the penetration efficiency of the electromagnetic field can be improved, and the molten metal in the mold body 100 can be uniformly distributed, so that the surface quality can be improved. Meanwhile, the embodiment also has the advantages of simple structure and low cost.
In one embodiment, the electromagnetic stirring crystallizer 10 further comprises a plurality of grooves 500. The plurality of grooves 500 are disposed on the sidewall 103 of the mold body 100 near the liquid inlet 101. One insulating and sealing device 200 is arranged in each groove 500. The grooves 500 correspond to the slits 104 one to one.
It will be appreciated that the depth of the recess 500 is not limited as long as it is ensured that the side wall 103 is not penetrated. The depth of the groove 500 can be selected according to actual requirements. In one embodiment, the depth of the groove 500 may be 20 mm. In one embodiment, the depth of the groove 500 may be 30 mm. In one embodiment, the shape of the groove 500 may be square. In one embodiment, the number of grooves 500 is the same as the number of slits 104, and the position of each groove 500 on the sidewall 103 is the same as the position of each slit 104 on the sidewall 103. In one embodiment, the groove 500 is disposed on a side of the sidewall 103 near the cooling device 400, which is convenient for processing.
In one embodiment, the insulation sealing means 200 comprises a press block 210. The pressing block 210 is embedded in the groove 500. The pressing piece 210 is used for sealing the cutting seam 104. It can be understood that the material of the pressing block 210 is not limited, as long as the functions of high temperature resistance, insulation and sealing are ensured. The specific material of the pressing block 210 can be selected according to actual requirements. In one embodiment, the material of the compact 210 may be silicon oxide. In one embodiment, the material of the compact 210 may also be silicon nitride. In one embodiment, the pressing piece 210 has the same shape as the groove 500 to ensure that the pressing piece 210 can be embedded in the groove 500 to complete the sealing of the slit 104.
In one embodiment, the electromagnetic stirring crystallizer 10 further comprises a plurality of insulating bars 105. Each slit 104 is filled with one insulating strip 105, and the insulating strip 105 is disposed between the pressing block 210 and the slit 104. It is understood that the material of the insulating strip 105 is not limited as long as the insulating function is ensured. The specific material of the insulating strip 105 can be selected according to actual requirements. In one embodiment, the insulating strip 105 may be mica. In one embodiment, the insulating strips 105 may also be made of silicon oxide or silicon nitride. In one embodiment, the insulating strip 105 has the same shape as the slits 104 to ensure sealing of the slits 104.
In one embodiment, the electromagnetic stirring crystallizer 10 further comprises at least one pressure ring 220. The pressing ring 220 is used for fixing the insulating and sealing device 200 in the plurality of grooves 500. In one embodiment, the number of the compression rings 220 is two, and the compression rings are respectively located at the top and the bottom of the pressing block 210 (i.e. the insulating and sealing device 200) along the axial direction of the mold body 100. In one embodiment, the compression ring 220 is adjustable in length, and the compression force on the pressing block 210 can be controlled.
In one embodiment, the electromagnetic stirring crystallizer 10 further comprises a first fixing plate 110 and a second fixing plate 120. The first fixing plate 110 is installed at one end of the main body 100 close to the liquid inlet 101. The second fixing plate 120 is installed at an end of the main body 100 away from the liquid inlet 101.
In one embodiment, the mounting manner between the first fixing plate 110 and the mold body 100 is not limited as long as the fixing is ensured. In one embodiment, the first fixing plate 110 and the mold body 100 may be connected by welding. In one embodiment, the first fixing plate 110 and the mold body 100 may also be coupled by riveting. In one embodiment, the first fixing plate 110 is made of copper. In one embodiment, the thickness of the first fixing plate 110 may be set to 10 mm.
In one embodiment, the mounting manner between the second fixing plate 120 and the mold body 100 is not limited as long as the fixing is ensured. In one embodiment, the second fixing plate 120 and the mold body 100 may be connected by welding. In one embodiment, the second fixing plate 120 and the mold body 100 may also be coupled by riveting. In one embodiment, the second fixing plate 120 is made of copper. In one embodiment, the thickness of the second fixing plate 120 may be set to 10 mm.
In one embodiment, the thickness of the first fixing plate 110 and the thickness of the second fixing plate 120 can be selected according to actual requirements. In one embodiment, the first fixing holes are uniformly distributed along the circumferential direction of the edges of the first fixing plate 110 and the second fixing plate 120 for bolt connection.
In one embodiment, the cooling device 400 includes a water jacket 410, a first flange 420, and a second flange 430. The water jacket 410 is sleeved outside the mold body 100. The electromagnetic coil 300 is disposed between the water jacket 410 and the mold body 100. The first flange 420 is fixed to an end of the water jacket 410 near the slit 104. The first flange 420 is fixedly connected to the first fixing plate 110. The second flange 430 is fixed to an end of the water jacket 410 away from the slit 104. The second flange 430 is fixedly connected to the second fixing plate 120. In one embodiment, the water jacket 410 is made of pure copper.
It is understood that the fixing manner between the first flange 420 and the water jacket 410 is not limited, as long as the fixing manner is ensured. In one embodiment, the first flange 420 and the water jacket 410 may be fixed by welding. In one embodiment, the first flange 420 and the water jacket 410 may be fixed by riveting. In one embodiment, the second flange 430 and the water jacket 410 are fixed together, and the above-mentioned fixing method can also be adopted. In one embodiment, the edges of the first flange 420 and the second flange 430 are provided with second fixing holes uniformly distributed along the circumferential direction, and the second fixing holes correspond to the first fixing holes one to one for bolt connection.
Referring to fig. 3 and 4, in one embodiment, the water jacket 410 includes a first connection portion 411 and a second connection portion 412. The first connecting portion 411 is fixedly connected to the first flange 420 and the second flange 430, respectively. The second connecting portion 412 is fixedly connected to the first connecting portion 411. The second connecting portion 412 is fixedly connected to the first flange 420 and the second flange 430, respectively.
The fixing manner between the second connecting portion 412 and the first connecting portion 411 can be selected according to actual requirements. In one embodiment, the second connection portion 412 and the first connection portion 411 may be fixed by welding. In one embodiment, the second connecting portion 412 and the first connecting portion 411 may also be fixed by bolts.
In one embodiment, the cooling device 400 further comprises a water inlet 413 and a water outlet 414. The water inlet 413 is disposed at a side of the second connection portion 412 close to the second flange 430. The water outlet 414 is disposed at a side of the second connecting portion 412 close to the first flange 420.
In one embodiment, the outer end of the water inlet 413 or the water outlet 414 is processed with a sealing thread for connecting with an external water path. It is understood that the shape of the water inlet 413 or the water outlet 414 is not limited as long as water inlet or outlet is ensured. In one embodiment, the shape of the water inlet 413 or the water outlet 414 may be circular. In one embodiment, the shape of the water inlet 413 or the water outlet 414 may be square.
To sum up, the electromagnetic coil 300, the insulating and sealing device 200 and the cutting seam 104 are matched, so that the influence of eddy current can be reduced, the penetrating efficiency of an electromagnetic field is improved, and the molten metal in the crystallizer main body 100 can be uniformly distributed, so that the surface quality is improved. Meanwhile, the sealing performance of the cutting seam 104 can be improved by the cooperation of the insulating strip 105 and the pressing block 210. The application also has the advantages of simple structure and low cost.
Referring to fig. 5, an embodiment of the present application provides an electron beam cold hearth furnace 20 including the electromagnetic stirring crystallizer 10 according to any of the above embodiments. The electron beam cold hearth furnace 20 of the present application, through the electromagnetic coil 300, the insulating sealing device 200 and the cooperation of the kerf 104, not only can reduce the influence of vortex, improve the electromagnetic field and penetrate efficiency, can also make the molten metal in the crystallizer main body 100 distribute evenly, thereby improving the surface quality.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. An electromagnetically stirred crystallizer, comprising:
the crystallizer body (100) is provided with a liquid inlet (101), and a plurality of cutting seams (104) are arranged on the side wall (103) of the crystallizer body (100) close to one side of the liquid inlet (101) along the circumferential direction;
a plurality of insulating sealing devices (200) installed on the mold body (100), wherein each insulating sealing device (200) corresponds to one cutting slit (104), and the insulating sealing devices (200) are used for sealing the cutting slits (104);
the electromagnetic coil (300) is wound on the side wall (103) of the crystallizer main body (100) close to the liquid inlet (101), and the plurality of insulating sealing devices (200) are arranged between the electromagnetic coil (300) and the side wall (103);
and the cooling device (400) is sleeved outside the crystallizer main body (100), and the electromagnetic coil (300) is arranged in the cooling device (400).
2. The electromagnetic stirring crystallizer of claim 1, further comprising:
the insulating sealing device comprises a plurality of grooves (500) and a plurality of side walls (103) which are arranged on one side, close to the liquid inlet (101), of the crystallizer main body (100), wherein one insulating sealing device (200) is arranged in each groove (500), and the grooves (500) correspond to the cutting slits (104) one to one.
3. Electromagnetic stirring crystallizer as claimed in claim 2, characterized in that said insulating and sealing means (200) comprise:
and the pressing block (210) is embedded in the groove (500) and is used for sealing the cutting seam (104).
4. The electromagnetic stirring crystallizer of claim 3, further comprising:
a plurality of insulating strips (105), one insulating strip (105) being filled in each slit (104), and the insulating strips (105) being disposed between the pressing block (210) and the slits (104).
5. The electromagnetic stirring crystallizer of claim 2, further comprising:
at least one press ring (220) for fixing the insulating and sealing device (200) in the grooves (500).
6. The electromagnetic stirring crystallizer of claim 1, further comprising:
a first fixing plate (110) mounted at one end of the crystallizer main body (100) close to the liquid inlet (101);
and the second fixing plate (120) is arranged at one end of the crystallizer main body (100) far away from the liquid inlet (101).
7. The electromagnetic stirring crystallizer of claim 6, wherein said cooling device (400) comprises:
the water jacket (410) is sleeved outside the crystallizer main body (100), and the electromagnetic coil (300) is arranged between the water jacket (410) and the crystallizer main body (100);
the first flange (420) is fixed at one end of the water jacket (410) close to the cutting seam (104), and the first flange (420) is fixedly connected with the first fixing plate (110);
and the second flange (430) is fixed at one end of the water jacket (410) far away from the incision (104), and the second flange (430) is fixedly connected with the second fixing plate (120).
8. The electromagnetic stirring crystallizer of claim 7, wherein the water jacket (410) comprises:
a first connecting part (411) fixedly connected with the first flange (420) and the second flange (430), respectively;
and the second connecting part (412) is fixedly connected with the first connecting part (411), and the second connecting part (412) is respectively fixedly connected with the first flange (420) and the second flange (430).
9. The electromagnetic stirring crystallizer of claim 8, wherein said cooling device (400) further comprises:
a water inlet (413) arranged at one side of the second connecting part (412) close to the second flange (430);
and the water outlet (414) is arranged on one side, close to the first flange (420), of the second connecting part (412).
10. An electron beam cold hearth furnace, characterized in that it comprises an electromagnetically stirred crystallizer (10) according to any one of claims 1 to 9.
CN201811556060.6A 2018-12-19 2018-12-19 Electromagnetic stirring crystallizer and electron beam cold bed furnace Active CN111334670B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811556060.6A CN111334670B (en) 2018-12-19 2018-12-19 Electromagnetic stirring crystallizer and electron beam cold bed furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811556060.6A CN111334670B (en) 2018-12-19 2018-12-19 Electromagnetic stirring crystallizer and electron beam cold bed furnace

Publications (2)

Publication Number Publication Date
CN111334670A true CN111334670A (en) 2020-06-26
CN111334670B CN111334670B (en) 2022-12-09

Family

ID=71179459

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811556060.6A Active CN111334670B (en) 2018-12-19 2018-12-19 Electromagnetic stirring crystallizer and electron beam cold bed furnace

Country Status (1)

Country Link
CN (1) CN111334670B (en)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2526108Y (en) * 2001-09-30 2002-12-18 宝山钢铁股份有限公司 Non-equal gap soft contact electromagnetic continuous casting mould
CN2551373Y (en) * 2002-06-28 2003-05-21 宝山钢铁股份有限公司 Flexible contact electromagnetic continuous casting mould
CN2709056Y (en) * 2004-07-29 2005-07-13 宝山钢铁股份有限公司 Split type water jacket electromagnetic soft contact continuous casting crystallizer
CN1714967A (en) * 2004-06-30 2006-01-04 宝山钢铁股份有限公司 Multilayer glue jointing sealing method for full water cooling cutting seam soft contact crystallizer cutting seam
CN2764527Y (en) * 2004-11-30 2006-03-15 宝山钢铁股份有限公司 Thickness unequal copper tube splitting type inside water-cooling soft-contact electromagnetic continuous casting mould
CN1803336A (en) * 2005-01-12 2006-07-19 宝山钢铁股份有限公司 Method for sealing lancing type crystallizer copper pipe using electromagnetic pressure
CN101185959A (en) * 2007-11-30 2008-05-28 苏州有色金属研究院有限公司 Aluminum alloy electromagnetic field auxiliary casting crystallizer
CN101543884A (en) * 2008-03-25 2009-09-30 宝山钢铁股份有限公司 Method for sealing lancing of copper pipe of electromagnetic soft-contact continuous casting crystallizer
CN101698221A (en) * 2009-11-06 2010-04-28 苏州有色金属研究院有限公司 Magnetic field centralizing slit-type aluminium alloy electromagnetic crystallizer
CN102371348A (en) * 2010-08-26 2012-03-14 宝山钢铁股份有限公司 Electromagnetic soft contact continuous casting crystallizer

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2526108Y (en) * 2001-09-30 2002-12-18 宝山钢铁股份有限公司 Non-equal gap soft contact electromagnetic continuous casting mould
CN2551373Y (en) * 2002-06-28 2003-05-21 宝山钢铁股份有限公司 Flexible contact electromagnetic continuous casting mould
CN1714967A (en) * 2004-06-30 2006-01-04 宝山钢铁股份有限公司 Multilayer glue jointing sealing method for full water cooling cutting seam soft contact crystallizer cutting seam
CN2709056Y (en) * 2004-07-29 2005-07-13 宝山钢铁股份有限公司 Split type water jacket electromagnetic soft contact continuous casting crystallizer
CN2764527Y (en) * 2004-11-30 2006-03-15 宝山钢铁股份有限公司 Thickness unequal copper tube splitting type inside water-cooling soft-contact electromagnetic continuous casting mould
CN1803336A (en) * 2005-01-12 2006-07-19 宝山钢铁股份有限公司 Method for sealing lancing type crystallizer copper pipe using electromagnetic pressure
CN101185959A (en) * 2007-11-30 2008-05-28 苏州有色金属研究院有限公司 Aluminum alloy electromagnetic field auxiliary casting crystallizer
CN101543884A (en) * 2008-03-25 2009-09-30 宝山钢铁股份有限公司 Method for sealing lancing of copper pipe of electromagnetic soft-contact continuous casting crystallizer
CN101698221A (en) * 2009-11-06 2010-04-28 苏州有色金属研究院有限公司 Magnetic field centralizing slit-type aluminium alloy electromagnetic crystallizer
CN102371348A (en) * 2010-08-26 2012-03-14 宝山钢铁股份有限公司 Electromagnetic soft contact continuous casting crystallizer

Also Published As

Publication number Publication date
CN111334670B (en) 2022-12-09

Similar Documents

Publication Publication Date Title
EP0071822B2 (en) Mold for use in metal or metal alloy casting systems and process for mixing a molten metal or metal alloy
EP0069270B1 (en) Process and apparatus having improved efficiency for producing a semi-solid slurry
US5579825A (en) Die casting method and die casting machine
US20170246680A1 (en) Melting furnace for producing metal
CN102343424B (en) Horizontal continuous casting device and method for high-conductivity and high-strength copper alloy round bar
CN112616303B (en) Structure for shielding magnetic field in HRS (high resolution scanner) legal directional solidification process
CN103691901B (en) Cored crystallizer for upwardly drawing continuous casting copper tubes and method for manufacturing high-performance copper alloy tubes
CN108213384A (en) A kind of electromagnetic stirring equipment for semisolid pressure casting
CN102818454A (en) Composite crucible with advantages of energy saving, low cost and capability of being alloyed
KR101253605B1 (en) Mold for die casting and die casting apparatus using the same
JP2008002762A (en) Levitation melting device, and manufacturing method of heating cooker using it
CN111334670B (en) Electromagnetic stirring crystallizer and electron beam cold bed furnace
WO2006088037A1 (en) Silicon casting device and production method for silicon substrate
CN203610633U (en) Cored crystallization system for up-drawing continuous casting of copper tubes and copper alloy tubes
JP5000149B2 (en) Cold Crucible Induction Dissolver
CN104308109A (en) Electromagnetic oscillation horizontal continuous casting method and device of copper alloy plates and strips
CN210385765U (en) Permanent magnet stirring equipment suitable for melt preparation
US3322183A (en) Process for producing nucleation and for controlling grain size in ingots and castings
CN113102704A (en) Electromagnetic stirring device and electromagnetic stirring processing method
JP2898645B2 (en) High frequency heating coil for horizontal continuous casting
CN101214533A (en) Electromagnetism horizontally continuously casting device for hollow copper and copper alloy tube thereof
CN201168772Y (en) Hollow copper and electromagnetic horizontal continuous casting apparatus of copper alloy tube thereof
JPS63149056A (en) Continuous casting method for non-ferrous metal
KR20100039464A (en) Cold crucible for induction melting
Zhang et al. A novel directional solidification of TiAl-based alloys by electromagnetic cold crucible zone melting technology with Y2O3 moulds

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant