CN111250669A - Crystallizer for copper alloy electromagnetic continuous casting - Google Patents
Crystallizer for copper alloy electromagnetic continuous casting Download PDFInfo
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- CN111250669A CN111250669A CN202010211729.9A CN202010211729A CN111250669A CN 111250669 A CN111250669 A CN 111250669A CN 202010211729 A CN202010211729 A CN 202010211729A CN 111250669 A CN111250669 A CN 111250669A
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- cooling water
- water jacket
- crystallizer
- copper alloy
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- 229910000881 Cu alloy Inorganic materials 0.000 title claims abstract description 56
- 238000009749 continuous casting Methods 0.000 title claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 80
- 239000000498 cooling water Substances 0.000 claims abstract description 76
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 30
- 239000010949 copper Substances 0.000 claims abstract description 30
- 229910052802 copper Inorganic materials 0.000 claims abstract description 30
- 238000001816 cooling Methods 0.000 claims abstract description 23
- 238000007789 sealing Methods 0.000 claims abstract description 20
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000010439 graphite Substances 0.000 claims abstract description 19
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 19
- 239000011810 insulating material Substances 0.000 claims abstract description 16
- 239000007788 liquid Substances 0.000 claims abstract description 12
- 239000000565 sealant Substances 0.000 claims abstract description 9
- 239000003292 glue Substances 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000005266 casting Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005204 segregation Methods 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Images
Classifications
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- 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
- B22D11/004—Copper 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
- B22D11/049—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds for direct chill casting, e.g. electromagnetic casting
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- 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
- B22D11/055—Cooling the moulds
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
Abstract
The invention discloses a crystallizer for copper alloy electromagnetic continuous casting, wherein an upper cover, a slotted crystallizer cylinder and a first cooling water jacket are fixed into a sealing body; the first cooling water jacket is provided with a wiring window for two wiring terminals of the electromagnetic coil to extend out of the wall and be externally connected with a power supply; the slotting part of the slotting crystallizer cylinder is filled with an insulating material and a sealant which can penetrate electromagnetism; a graphite sleeve is fixed on the inner wall of the slotted crystallizer cylinder; the water cavity of the first cooling water jacket is a vertical spiral water channel, the lower part of the outer wall of the first cooling water jacket is provided with a first water inlet, and the upper part of the outer wall of the first cooling water jacket is provided with a first water outlet; the second cooling jacket is fixed at the bottom of the first cooling water jacket; the central hole of the upper cover, the inner hole of the graphite sleeve and the central hole of the second cooling water jacket form a copper alloy liquid inlet, a copper alloy accommodating cavity and a copper ingot outlet from top to bottom. The crystallizer cylinder is strong in electromagnetic penetrating power, wear-resistant, good in safety, good in cooling effect and compact in cooling water jacket structure.
Description
Technical Field
The invention relates to the technical field of copper alloy preparation, in particular to a crystallizer for copper alloy electromagnetic continuous casting.
Background
With the rapid development of industrial technologies in China, the demand for copper and copper alloys is higher and higher. The electromagnetic continuous casting technology can purify melt, improve the segregation of copper alloy elements, improve the surface quality of a casting blank, refine grains and improve the mechanical property of the casting blank, and a crystallizer is the most key equipment or part in the electromagnetic continuous casting technology.
The crystallizer for electromagnetic continuous casting in the prior art has more types and different structures. However, from the perspective of meeting the actual production requirements, the crystallizer for electromagnetic continuous casting in the prior art still has the following disadvantages: 1. the crystallizer cylinder body is difficult to achieve the unification of good electromagnetic penetrating power, wear resistance and safety; 2. the structure of the cooling water jacket is difficult to achieve the uniform cooling, the secondary cooling and the compact structure of the cooling water jacket; 3. the crystallizer is difficult to be integrated firmly, durably and conveniently assembled; the defects directly affect the surface and internal quality of the casting blank, the surface defect of the casting blank is easy to generate, the grain size is large, macrosegregation is formed, the comprehensive performance of the product is poor, the yield is low, the production efficiency is not high, and the production cost is increased.
Disclosure of Invention
The invention aims to solve the technical problem of providing a crystallizer for copper alloy electromagnetic continuous casting, which has the advantages of strong electromagnetic penetrating power, wear resistance, good safety, good cooling effect and compact cooling water jacket structure of a crystallizer cylinder.
The invention provides a crystallizer for copper alloy electromagnetic continuous casting, which comprises a copper alloy liquid inlet, a copper alloy accommodating cavity, a copper ingot outlet, an upper cover, a slotted crystallizer cylinder, a first cooling water jacket and an electromagnetic coil fixed in the water cavity of the first cooling water jacket, wherein the upper cover, the slotted crystallizer cylinder and the first cooling water jacket are fixed into a sealing body; the electromagnetic coil and the slit of the slit crystallizer cylinder are positioned at the same horizontal position; two wiring terminals of the electromagnetic coil extend out of the outer wall of the first cooling water jacket to form a wiring window for external power supply; the slotting part of the slotting crystallizer cylinder is filled with an insulating material and a sealant which can penetrate electromagnetism; a graphite sleeve is fixed on the inner wall of the slotted crystallizer cylinder; the water cavity of the first cooling water jacket is a vertical spiral water channel, the lower part of the outer wall of the first cooling water jacket is provided with a first water inlet, and the upper part of the outer wall of the first cooling water jacket is provided with a first water outlet; the crystallizer for the electromagnetic continuous casting of the copper alloy further comprises a second cooling jacket fixed at the bottom of the first cooling water jacket, wherein a second water inlet is formed in the outer wall of the second cooling jacket, and a plurality of second water outlets which are used for directly cooling copper ingots and are distributed along the circumference are formed in the inner wall of the second cooling jacket; the central hole of the upper cover, the inner hole of the graphite sleeve and the central hole of the second cooling water jacket form a copper alloy liquid inlet, a copper alloy accommodating cavity and a copper ingot outlet from top to bottom.
After adopting the structure, the crystallizer for the electromagnetic continuous casting of the copper alloy has the following advantages: the slotting part of the slotting crystallizer cylinder is filled with an insulating material and a sealant which can penetrate electromagnetism, and the inner wall of the slotting crystallizer cylinder is fixed with a graphite sleeve to form a crystallizer cylinder structure, so that harmony and unity of good electromagnetic penetration force, wear resistance and safety are kept. After the electromagnetic coil is electrified, a magnetic field is generated, the magnetic field acts on copper alloy liquid or copper alloy melt through the seam, the insulating material, the sealant and the graphite sleeve do not shield the electromagnetic coil, good penetrating power and enough electromagnetic force of the electromagnetic coil on the copper alloy are kept, and the graphite sleeve forming the copper alloy accommodating cavity avoids direct contact between a continuous casting blank, namely the copper alloy melt and a slotted crystallizer cylinder, namely abrasion to the slotted crystallizer cylinder is avoided, and the abrasion resistance and the insulation of the graphite sleeve also guarantee the service life and the safety performance of the crystallizer. The structure of the first cooling water jacket with the vertical spiral water channel, the structure of water inlet and outlet at the lower part and the structure of the second cooling water jacket with the independent water inlet and outlet at the inner part and the outer part reach the harmonious unification of uniform cooling and compact structure, the water in the first cooling water jacket cools the slotted crystallizer cylinder and the graphite sleeve, the heat is taken away, and the copper alloy liquid or copper alloy melt in the crystallizer is solidified. The water in the second cooling water jacket directly acts on the solidified continuous casting billet or copper ingot through the second water inlet, the water storage cavity and the second water outlet, and further cooling is achieved. The crystallizer for the electromagnetic continuous casting of the copper alloy overcomes the defects of large grain size and easy formation of macro segregation, effectively ensures the surface and internal quality of the copper ingot, has good comprehensive performance and high yield of products, greatly improves the production efficiency and obviously reduces the production cost.
Furthermore, the slotted crystallizer cylinder is made of copper or copper alloy, the slots are a plurality of vertical slots which are arranged in the vertical middle of the slotted crystallizer cylinder and penetrate through the inner wall and the outer wall of the cylinder, and the outer wall of the graphite sleeve is in interference fit with the inner wall of the slotted crystallizer cylinder. After the structure is adopted, the crystallizer barrel structure is further ensured to keep good electromagnetic penetrating power, wear resistance and safety harmony and unity, the assembly is simple, the good penetrating power and enough electromagnetic force of the electromagnetic coil on copper alloy are further kept, and the service life and the safety performance of the crystallizer are further ensured.
Further, the slots are uniformly arranged along the circumference; the width of each slot is 0.1-1.0 mm, and the distance between the two slots is 10-100 mm; the distance between the top end of each slit and the top end face of the slit crystallizer cylinder body is 10-50 mm, and the distance between the bottom end of each slit and the bottom end face of the slit crystallizer cylinder body is 10-50 mm. Practice proves that after the structure is adopted, the cylinder structure of the crystallizer keeps good electromagnetic penetrating power, wear resistance and safety harmony and unifies to achieve a better state.
Furthermore, the upper cover, the top ring of the slotted crystallizer cylinder and the top ring of the first cooling water jacket are fastened and sealed by a plurality of bolts and nuts; the bottom ring of the first cooling water jacket is welded or glued with the bottom end of the slotted crystallizer cylinder; the bottom end surface of the first cooling water jacket and the bottom end surface of the slotted crystallizer cylinder are welded or glued with the top end surface of the second cooling water jacket. By adopting the structure, the crystallizer for copper alloy electromagnetic continuous casting disclosed by the invention is integrally harmonious and unified in firmness, durability and convenient assembly, and the sealing, firmness and durability of the crystallizer are ensured, and the assembly is convenient.
Furthermore, the electromagnetic coil is a whole formed by a red copper plate and horizontally U-shaped, the end parts of two straight edges are wiring ends extending out of the outer wall of the first cooling water jacket, the arc-shaped body is fixedly inserted on the electromagnetic coil base, and the electromagnetic coil base is fixedly inserted in the groove of the first cooling water jacket base plate. After adopting above structure, further guaranteed firmly durable harmonious unity with convenient assembling, both guaranteed firm and durable of crystallizer, convenient assembling again.
Furthermore, the electromagnetic coil base is made of an insulating material, and an insulating layer is arranged on the whole surface of the electromagnetic coil; the red copper plate of the electromagnetic coil is 3-10 mm thick. After adopting above structure, solenoid and solenoid's base are safer, and life is longer. The applicant has made many experiments, and even if the electromagnetic coil is not provided with an insulating layer, the leakage phenomenon can not be generated, and the safety of the crystallizer can not be influenced. Certainly, after the electromagnetic coil is additionally provided with the insulating layer and the base of the electromagnetic coil is made of insulating materials, the crystallizer is better in safety and longer in service life.
Furthermore, the external power supply's wiring window structure does, has an opening on the crystallizer barrel outer wall that cracks, and the opening part is fixed with an insulating material's shrouding, and the shrouding outside is fixed with an insulating material's closing cap through a plurality of screws, respectively has a pair of rectangular hole that stretches out for the wiring end of electromagnetic coil on shrouding and the closing cap, all has sealed glue between the wiring end of electromagnetic coil and the rectangular hole, between shrouding and the closing cap, between the screw of screw and the screw hole of closing cap. After the structure is adopted, the wiring window is more convenient to install, the sealing and insulating effects are better, and the service life of the crystallizer is further prolonged.
Furthermore, the number of the first water inlets is one, and the number of the first water outlets is one, and the first water inlets and the first water outlets are respectively arranged on each side of the outer wall of the first cooling water jacket opposite to each other. After the structure is adopted, the combination of the vertical spiral water channel and the structures of water inlet and outlet at the lower part further enhances the harmony and unity of uniform cooling and compact structure.
Furthermore, the second water inlets are multiple and are uniformly arranged along the circumference and positioned on the same horizontal plane; the plurality of second water outlets are also uniformly arranged along the circumference and are positioned on the same horizontal plane, the inner diameter of each second water outlet is 1.5-5 mm, and the distance between the two second water outlets is 10-50 mm. After the structure is adopted, the cooling effect of water in the second cooling water jacket on solidified continuous casting billets, namely copper ingots, is more uniform, the cooling effect is better, and the structure of the second cooling water jacket is more compact and reasonable.
Furthermore, the first water inlet is provided with a flow meter and a valve, and each second water inlet is provided with a flow meter and a valve; the first water outlet is provided with a valve. After the structure is adopted, the cooling water in the first cooling water jacket and the second cooling water jacket is independently regulated and controlled, the continuous casting production is further ensured, the surface and internal quality of the copper ingot is further ensured, and the production cost is further reduced.
Drawings
FIG. 1 is a front view of the crystallizer of the present invention.
FIG. 2 is a schematic sectional view A-A.
FIG. 3 is a schematic perspective view of the crystallizer according to the present invention.
FIG. 4 is a schematic diagram of the external three-dimensional structure of the crystallizer of the present invention.
FIG. 5 is a three-dimensional structure diagram of the crystallizer of the present invention.
FIG. 6 is a schematic diagram of the external three-dimensional structure of the crystallizer of the present invention.
Fig. 7 is a schematic diagram of the explosive structure of the crystallizer of the present invention.
Fig. 8 is a schematic view of the barrel structure of the slotted crystallizer in the crystallizer of the present invention.
FIG. 9 is a schematic structural view of the external shape of a second cooling water jacket in the crystallizer of the present invention.
Shown in the figure are 1, an upper cover, 2, a slotted crystallizer cylinder, 3, a first cooling water jacket, 4, a bolt, a nut, 5, an electromagnetic coil, 6, a screw, 7, a sealing cover, 8, a sealing plate, 9, a second water inlet, 10, a second cooling water jacket, 11, a first water outlet, 12, a first cooling water jacket top ring, 13, a vertical spiral water channel, 14, a graphite sleeve, 15, a groove, 16, a water storage cavity, 17, a second water outlet, 18, a first cooling water jacket bottom ring, 19, an electromagnetic coil base, 20, a first water inlet, 21, a copper alloy liquid inlet, 22, a terminal, 23, a copper ingot outlet, 24, an arc-shaped body, 25, a slotted crystallizer cylinder top ring, 26, a slot, 27 and a copper alloy accommodating cavity.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the respective embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
As shown in fig. 1, 2, 3, 4, 5, 6, 7, 8 and 9
The crystallizer for copper alloy electromagnetic continuous casting comprises a copper alloy liquid inlet, a copper alloy accommodating cavity, a copper ingot outlet, an upper cover 1, a slotted crystallizer cylinder 2, a first cooling water jacket 3 and an electromagnetic coil 5 fixed in a water cavity of the first cooling water jacket, namely a vertical spiral water channel 13 which is described below. The upper cover 1, the slotted crystallizer cylinder 2 and the first cooling water jacket 3 are fixed to form a sealing body. The electromagnetic coil 5 and the slit 26 of the slit crystallizer cylinder body 2 are positioned at the same horizontal position. The outer wall of the first cooling water jacket 3 is provided with a wiring window for the terminal 22 of the electromagnetic coil 5 to extend out of the wall for external power supply. The slit position of the slit crystallizer cylinder body 2 is filled with an insulating material and a sealant which can penetrate electromagnetism, for example, a mica sheet and an insulating glue, namely the sealant are added in the middle of the slit 26. The slotted crystallizer cylinder body 2 is made of copper or copper alloy, for example, red copper material. The slots 26 are a plurality of vertical slots which are arranged in the vertical middle part of the slotted crystallizer cylinder body 2 and penetrate through the inner wall and the outer wall of the cylinder body. The outer wall of the graphite sleeve 14 is in interference fit with the inner wall of the slotted crystallizer cylinder 2. The slits 26 are uniformly arranged along the circumference. The width of each slit 26 is preferably 0.1 to 1.0mm, for example, the width of each slit is 0.3 mm. The distance between the two slits 26 is preferably 10 to 100mm, and here, the distance between the two slits preferably means a straight line distance, but may be an arc distance. The distance between the top end of each slit 26 and the top end face of the slit crystallizer cylinder is preferably 10-50 mm. The distance between the bottom end of each slit 26 and the bottom end face of the slit crystallizer cylinder is preferably 10-50 mm. A graphite sleeve 14 is fixed on the inner wall of the slotted crystallizer cylinder 2. The water cavity of the first cooling water jacket 2 is a vertical spiral water channel 13, the lower part of the outer wall of the first cooling water jacket 3 is provided with a first water inlet 20, the upper part of the outer wall of the first cooling water jacket 3 is provided with a first water outlet 11, and the structure can also be understood as a vertical spiral ascending water channel or a vertical spiral groove. The crystallizer for the electromagnetic continuous casting of the copper alloy further comprises a second cooling jacket 10 fixed at the bottom of the first cooling water jacket 3. The outer wall of the second cooling jacket 10 is provided with a second water inlet 9, and the inner wall of the second cooling jacket 10 is provided with a plurality of second water outlets 17 which are used for directly cooling the copper ingot and are distributed along the circumference. The coaxial central hole of the upper cover 1, the inner hole of the graphite sleeve 14 and the central hole of the second cooling water jacket 10 form a copper alloy liquid inlet 21, a copper alloy accommodating cavity 27 and a copper ingot outlet 23 from top to bottom. In other words, the central hole of the upper cover 1, the inner hole of the graphite sleeve 14 and the central hole of the second cooling water jacket 10 are coaxial, the central hole of the upper cover 1 is the copper alloy liquid inlet 21, the inner hole of the graphite sleeve 14 is the copper alloy accommodating cavity 27, and the central hole of the second cooling water jacket 10 is the copper ingot outlet 23. The slit 26 is also called a kerf. Copper alloy liquids are also known as copper alloy melts. Copper ingots are also known as solidified billets.
The upper cover 1, the top ring 25 of the slotted crystallizer cylinder body and the first cooling water jacket top ring 12 are fastened and sealed by a plurality of bolts and nuts 4, and the sealing, for example, the sealing among the upper cover 1, the top ring 25 of the slotted crystallizer cylinder body and the first cooling water jacket top ring 12 can be sealed by a commercially available sealant. The first cooling water jacket bottom ring 18 is welded or glued with the bottom end of the slotted crystallizer cylinder 2. The bottom end surface of the first cooling water jacket 3 and the bottom end surface of the slotted crystallizer cylinder 2 are welded or glued with the top end surface of the second cooling water jacket 10. The glue for gluing can also adopt a commercially available sealant.
The electromagnetic coil 5 is preferably a horizontally U-shaped whole formed by a copper plate, the end parts of two straight edges are wiring terminals 22 extending out of the outer wall of the first cooling water jacket 3, two wiring terminals 22 are formed at the two end parts, an arc-shaped body 24 is fixedly inserted on the electromagnetic coil base 19, and the electromagnetic coil base 19 is fixedly inserted in the groove 15 of the bottom plate of the first cooling water jacket 3. The inserting and fixing can be fixing by glue after inserting and can also be inserting and fixing by interference fit.
The electromagnetic coil base 19 is preferably made of an insulating material, and the whole surface of the electromagnetic coil 5 is preferably provided with an insulating layer which is coated with insulating paint. The thickness of the red copper plate of the electromagnetic coil 5 is preferably 3-10 mm.
The structure of the wiring window of the external power supply is preferably that an opening is arranged on the outer wall of the slotted crystallizer cylinder body 2, a sealing plate 8 made of insulating material is fixed at the opening, and a sealing cover 7 made of insulating material is fixed on the outer side of the sealing plate 8 through a plurality of screws 6. The sealing plate 8 and the sealing cover 7 are respectively provided with a pair of rectangular holes for the terminal 22 of the electromagnetic coil to extend out, and sealing glue such as commercially available sealing glue is arranged between the terminal 22 of the electromagnetic coil and the rectangular holes, between the sealing plate 8 and the sealing cover 7 and between the screw 6 and the screw hole of the sealing cover.
The number of the first water inlets 20 is one, and the number of the first water outlets 11 is one, and the first water inlets and the first water outlets are respectively arranged on the opposite sides of the outer wall of the first cooling water jacket 3, such as the vertical surfaces of the water inlets and the water outlets with the axes on the same diametrical line.
The second water inlets 9 are preferably a plurality of, for example, four, and the plurality of second water inlets are uniformly arranged along the circumference, for example, are arranged to intersect perpendicularly with each other, and are located on the same horizontal plane. The second water outlets 17 are also uniformly arranged along the circumference and are located on the same horizontal plane. The inner diameter of each second water outlet 17 is preferably 1.5-5 mm, the distance between two second water outlets 17 is preferably 10-50 mm, and here, the distance between two slits is preferably a straight distance, and may be an arc distance. As can be seen from the figure, the number of the second water outlets 17 is obviously greater than that of the second water inlets 9, for example, water entering from the four second water inlets 9 firstly enters the water storage cavity 16, and the water in the water storage cavity 16 cools the copper ingot through the plurality of second water outlets 17.
The first water inlet 20 may be provided with a flow meter and a valve, each second water inlet 9 may be provided with a flow meter and a valve, and the first water outlet 11 may be provided with a valve (neither flow meter nor valve is shown in the figure).
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a copper alloy is crystallizer for electromagnetic continuous casting, includes copper alloy liquid entry, copper alloy holding chamber, copper ingot export, upper cover (1), cracks crystallizer barrel (2), first cooling water jacket (3) and fixes solenoid (5) at first cooling water jacket water intracavity, its characterized in that: the upper cover (1), the slotted crystallizer cylinder (2) and the first cooling water jacket (3) are fixed into a sealing body; the electromagnetic coil (5) and the slit (26) of the slit crystallizer cylinder body (2) are positioned at the same horizontal position; two wiring terminals (22) of the electromagnetic coil (5) extend out of the outer wall of the first cooling water jacket (3) to be connected with a power supply; the slotting part of the slotting crystallizer cylinder body (2) is filled with an insulating material and a sealant which can penetrate electromagnetism; a graphite sleeve (14) is fixed on the inner wall of the slotted crystallizer cylinder body (2); the water cavity of the first cooling water jacket (3) is a vertical spiral water channel (13), the lower part of the outer wall of the first cooling water jacket (3) is provided with a first water inlet (20), and the upper part of the outer wall of the first cooling water jacket (3) is provided with a first water outlet (11); the copper ingot cooling device further comprises a second cooling jacket (10) fixed at the bottom of the first cooling water jacket (3), a second water inlet (9) is formed in the outer wall of the second cooling jacket (10), and a plurality of second water outlets (17) which are used for directly cooling copper ingots and are distributed along the circumference are formed in the inner wall of the second cooling jacket (10); the central hole of the upper cover (1), the inner hole of the graphite sleeve (14) and the central hole of the second cooling water jacket (10) form a copper alloy liquid inlet (21), a copper alloy accommodating cavity (27) and a copper ingot outlet (23) from top to bottom.
2. The mold for electromagnetic continuous casting of a copper alloy according to claim 1, characterized in that: the split crystallizer cylinder (2) is made of copper or copper alloy, the split slots (26) are a plurality of vertical split slots which are arranged in the vertical middle of the split crystallizer cylinder (2) and penetrate through the inner wall and the outer wall of the cylinder, and the outer wall of the graphite sleeve (14) is in interference fit with the inner wall of the split crystallizer cylinder (2).
3. The mold for electromagnetic continuous casting of a copper alloy according to claim 2, characterized in that: the slots (26) are uniformly arranged along the circumference; the width of each slot (26) is 0.1-1.0 mm, and the distance between two slots (26) is 10-100 mm; the distance between the top end of each slit (26) and the top end face of the slit crystallizer cylinder is 10-50 mm, and the distance between the bottom end of each slit (26) and the bottom end face of the slit crystallizer cylinder is also 10-50 mm.
4. The mold for electromagnetic continuous casting of a copper alloy according to claim 1, characterized in that: the upper cover (1), the slotted crystallizer cylinder top ring (25) and the first cooling water jacket top ring (12) are fastened and sealed by a plurality of bolts and nuts (4); the first cooling water jacket bottom ring (18) is welded or glued with the bottom end of the slotted crystallizer cylinder body (2); the bottom end surface of the first cooling water jacket (3) and the bottom end surface of the slotted crystallizer cylinder body (2) are welded or glued with the top end surface of the second cooling water jacket (10).
5. The mold for electromagnetic continuous casting of a copper alloy according to claim 1, characterized in that: the electromagnetic coil (5) is a horizontal U-shaped whole formed by a red copper plate, the end parts of two straight edges are wiring ends (22) extending out of the outer wall of the first cooling water jacket (3), an arc-shaped body (24) is fixedly inserted on an electromagnetic coil base (19), and the electromagnetic coil base (19) is fixedly inserted in a groove (15) of a base plate of the first cooling water jacket (3).
6. The mold for electromagnetic continuous casting of a copper alloy according to claim 5, characterized in that: the electromagnetic coil base (19) is made of an insulating material, and an insulating layer is arranged on the whole surface of the electromagnetic coil (5); the thickness of the red copper plate of the electromagnetic coil (5) is 3-10 mm.
7. The mold for electromagnetic continuous casting of a copper alloy according to claim 6, characterized in that: external power supply's wiring window structure does, there is an opening on slotting crystallizer barrel (2) outer wall, the opening part is fixed with shrouding (8) of an insulating material, shrouding (8) outside is fixed with closing cap (7) of an insulating material through a plurality of screw (6), each has the rectangular hole that wiring end (22) of a pair of power supply magnetic coil stretched out on shrouding (8) and closing cap (7), between wiring end (22) and the rectangular hole of solenoid, between shrouding (8) and closing cap (7), all there is sealed glue between the screw hole of screw (6) and closing cap.
8. The mold for electromagnetic continuous casting of a copper alloy according to claim 1, characterized in that: the number of the first water inlets (20) is one, the number of the first water outlets (11) is one, and the first water inlets and the first water outlets are respectively arranged on each side opposite to the outer wall of the first cooling water jacket (3).
9. The mold for electromagnetic continuous casting of a copper alloy according to claim 8, characterized in that: the number of the second water inlets (9) is multiple, and the multiple second water inlets are uniformly arranged along the circumference and are positioned on the same horizontal plane; the plurality of second water outlets (17) are also uniformly arranged along the circumference and are positioned on the same horizontal plane, the inner diameter of each second water outlet (17) is 1.5-5 mm, and the distance between the two second water outlets (17) is 10-50 mm.
10. The mold for electromagnetic continuous casting of a copper alloy according to claim 9, characterized in that: the first water inlet (20) is provided with a flowmeter and a valve, and each second water inlet (9) is provided with a flowmeter and a valve; the first water outlet (11) is provided with a valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010211729.9A CN111250669A (en) | 2020-03-24 | 2020-03-24 | Crystallizer for copper alloy electromagnetic continuous casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010211729.9A CN111250669A (en) | 2020-03-24 | 2020-03-24 | Crystallizer for copper alloy electromagnetic continuous casting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111250669A true CN111250669A (en) | 2020-06-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010211729.9A Pending CN111250669A (en) | 2020-03-24 | 2020-03-24 | Crystallizer for copper alloy electromagnetic continuous casting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111250669A (en) |
Cited By (2)
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| CN111730036A (en) * | 2020-07-30 | 2020-10-02 | 东北大学 | Same-level electromagnetic casting device and method |
| CN113458346A (en) * | 2021-06-05 | 2021-10-01 | 中铁北赛电工有限公司 | Crystallizer for copper-chromium-zirconium alloy contact line |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111730036A (en) * | 2020-07-30 | 2020-10-02 | 东北大学 | Same-level electromagnetic casting device and method |
| CN111730036B (en) * | 2020-07-30 | 2020-11-06 | 东北大学 | Same-level electromagnetic casting device and method |
| CN113458346A (en) * | 2021-06-05 | 2021-10-01 | 中铁北赛电工有限公司 | Crystallizer for copper-chromium-zirconium alloy contact line |
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