CN105522132B - The application method of the preparation facilities of triangle continuous casting billet - Google Patents
The application method of the preparation facilities of triangle continuous casting billet Download PDFInfo
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- CN105522132B CN105522132B CN201610041833.1A CN201610041833A CN105522132B CN 105522132 B CN105522132 B CN 105522132B CN 201610041833 A CN201610041833 A CN 201610041833A CN 105522132 B CN105522132 B CN 105522132B
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- triangle
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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
- B22D11/14—Plants for continuous 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
- B22D11/009—Continuous casting of metals, i.e. casting in indefinite lengths of work of special cross-section, e.g. I-beams, U-profiles
-
- 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
- B22D11/12—Accessories for subsequent treating or working cast stock in situ
- B22D11/124—Accessories for subsequent treating or working cast stock in situ for cooling
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
Abstract
The invention discloses a kind of preparation facilities of triangle continuous casting billet, including the smelting furnace (1) set gradually, tundish (2) and crystallizer (3), and fueller (4) and feeder (5), wherein crystallizer (3) includes heat top (6), flange cover (7), gas-oil ring (8) and cooling water ring (9), the shape on heat top (6) is cylindrical body, the center on heat top (6) is equipped with the through-hole (10) of triangle, flange cover (7) is arranged in Re Ding (6) lower part, flange cover (7) is equipped with through slot (12), the shape of through slot (12) is matched with the shape of through-hole (10), gas-oil ring (8) setting is below Re Ding (6), cooling water ring (9) setting is below gas-oil ring (8).The present invention is stablized by the preparation facilities including smelting furnace, tundish and crystallizer, air film semi-continuous casting triangle base, casting technique, and ingot quality is high, and apparatus structure is simple, there is the value promoted and applied in aluminum products Chang Deng factory.
Description
Technical field
The present invention relates to a kind of application methods of the preparation facilities of triangle continuous casting billet, belong to triangle continuous casting billet preparation skill
Art field.
Background technique
Currently, aluminum products processing factory starts preparation shape close to the Hot Metal in Beam Blank of finished product, to forge automobile component.It is special-shaped
The continuous casting of base becomes the hot spot of aluminium alloy continuous casting research.For Hot Metal in Beam Blank due to complex-shaped, structure is asymmetric, and conventional use is directly
The mold structure of water cooling semi-continuous casting method is complicated.Using air film continuous casting technology, since primary cooling can be greatly reduced
Influence, so, the structure of crystallizer can greatly simplify.And triangle base is relatively difficult and secondary cold for flowing due to corner
But water generates synergistic effect in corner, causes corner to be subcooled, is easy to cause corner drawing crack, existing Casting Equipment is often difficult to just
Normal continuously casting triangle base.
Summary of the invention
The object of the present invention is to provide a kind of preparation facilities of triangle continuous casting billet, it by smelting furnace, tundish and
Crystallizer carries out the continuous casting of triangle base, in casting process, is carried out by gas-oil ring and cooling water ring to slab uniform cold
But, casting technique is stablized, and ingot quality is higher, and casting cost is lower, and apparatus structure is simple.
Technical solution of the present invention: a kind of preparation facilities of triangle continuous casting billet, including set gradually smelting furnace, centre
Packet and crystallizer and fueller and feeder, wherein crystallizer includes hot top, flange cover, gas-oil ring and cooling water ring,
The shape on heat top is cylindrical body, and the center on heat top is equipped with the through-hole of triangle, and flange is provide with to set and set on the lower part Re Ding, flange cover
There is through slot, the shape of through slot is matched with the shape of through-hole, and below heat top, cooling water ring is arranged under gas-oil ring for gas-oil ring setting
Side.Molten aluminum liquid in smelting furnace enters crystallizer by tundish, intermediate cam shape base casting and forming is pushed up in heat, by drawing after molding
Ingot device draws triangle base, and in casting process, by the effect of gas-oil ring and cooling water ring, slab obtains uniform cold
But, casting process is normally carried out, and ingot quality is higher；The flange enclosure is on heat top, by the gas-oil ring on heat top and lower section
And cooling water ring is fixed together.
In the preparation facilities of this triangle continuous casting billet above-mentioned, the shape of gas-oil ring is triangle, including oil ring is gentle
Ring, compression ring are arranged above oil ring.By the gentle ring design of oil ring at an entirety, apparatus structure is simple, compact, and cooling effect
It is unaffected.
In the preparation facilities of this triangle continuous casting billet above-mentioned, the shape of cooling water ring is triangle, including a cold water
Ring, secondary cooling water ring and cooling section, cooling section are located at the inside of triangle, and horizontally disposed with a cold water ring, set on secondary cooling water ring
There is water hole, the water hole on the side of triangle is big and intensive, and the water hole close to the corner of triangle is small and sparse.Cooling section
Cooling performance is controlled by the water flow size in a cold water ring, and the cooling performance of secondary cooling water ring is determined by its cross-sectional sizes, a cold water
Water hole collective effect on ring, cooling section and secondary cooling water ring, cools down slab uniformly in casting process.
In the preparation facilities of this triangle continuous casting billet above-mentioned, smelting furnace is intermediate frequency furnace.
In the preparation facilities of this triangle continuous casting billet above-mentioned, tundish is the batch-type furnace of graphite electrode heating.
The application method of the preparation facilities of triangle continuous casting billet suitable for preparation facilities above-mentioned, comprising the following steps:
Aluminum melting: commercial-purity aluminium (99.7%), alusil alloy are added to melting in smelting furnace first, work as in-furnace temperature by S1
When reaching 750~770 DEG C, industrial magnesium ingot is added, is melted to magnesium ingot, obtains molten metal liquid；
S2 is stood: molten metal liquid described in S1 being introduced tundish, stands heat preservation, tundish is by DWK702 temperature control cabinet
With platinum-rhodium-platinum thermocouple precise control of temperature, temperature deviation is ± 3 DEG C, and degasification is carried out at 750~770 DEG C, is skimmed, 720
15~progress triangle base air film semi-continuous casting after twenty minutes is stood at~740 DEG C；
S3, air film semi-continuous casting: molten metal liquid described in S2 is introduced into crystallizer, and triangle base is cast as
Type；The process conditions of triangle continuous casting billet are as follows: pouring temperature is 720~740 DEG C, and casting speed is 110~130mm/min, cold
But water flow is 0.04~0.06m3/ min, gas flow are 2.5~3.5L/min, and flow of lubrication is 3.5~4.5mL/
min.When pouring temperature is lower than 720~740 DEG C, melt cannot effectively fill ingot casting corner, and ingot casting corner is cooling to be accelerated, ingot casting
It is easy to produce deformation, when pouring temperature is higher than 720~740 DEG C, scull rises very fast, a large amount of pile displacements of ingot casting surface appearance,
Seriously affect the surface quality of ingot casting；When casting speed is slower than 110~130mm/min, the corner and surface face of triangle base
Inhomogeneous cooling can generate corner tearing, and when casting speed is faster than 110~130mm/min, ingot casting surface generates cold shut and wave
Line influences the surface quality of ingot casting；When cooling water flow is less than 0.04~0.06m3When/min, ingot casting surface is cooling insufficient, out
Locally there is remelting phenomenon in now a large amount of pile displacement, when cooling water flow is greater than 0.04~0.06m3When/min, intensity of cooling
It is excessive, lead to just solidified shell thickness increase, generates embedded cold shut, influence the surface quality and lumber recovery of ingot casting；When gas stream
When amount is greater than 2.5~3.5L/min, ingot casting surface has a small amount of ripple to occur, while there is extension aluminium phenomenon in ingot casting corner；Work as lubricating oil
When flow is less than 3.5~4.5mL/min, ingot casting surface has apparent scratch.
Compared with prior art, the present invention passes through the preparation facilities including smelting furnace, tundish and crystallizer, casting
Triangle base, molten aluminum liquid casting and forming triangle base in heat top, in casting process, passes through the work of gas-oil ring and cooling water ring
With slab is uniformly cooled down, and casting technique is stablized, and ingot quality is higher, and casting cost is lower, and apparatus structure is simple, is fitted
It is promoted and applied in places such as aluminum products processing factories.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is the structural schematic diagram of crystallizer；
Fig. 3 is the structural schematic diagram on heat top；
Fig. 4 is the structural schematic diagram of flange cover.
The label in accompanying drawing is: 1- smelting furnace, 2- tundish, 3- crystallizer, 4- fueller, 5- feeder, 6- heat
Top, 7- flange cover, 8- gas-oil ring, 9- cooling water ring, 10- through-hole, the water hole 11-, 12- through slot, 13- cooling section, 14- oil ring, 15-
Compression ring, mono- cold water ring of 16-, 17- secondary cooling water ring.
Specific embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples.
The embodiment of the present invention 1: a kind of preparation facilities of triangle continuous casting billet, including the smelting furnace 1, intermediate set gradually
Packet 2 and crystallizer 3 and fueller 4 and feeder 5, wherein crystallizer 3 includes 6, flange cover 7, gas-oil ring 8 of heat top
With cooling water ring 9, the shape on heat top 6 is cylindrical body, and the center on heat top 6 is equipped with the through-hole 10 of triangle, and flange cover 7 is arranged in heat
6 lower parts are pushed up, flange cover 7 is equipped with through slot 12, and the shape of through slot 12 is matched with the shape of through-hole 10, and gas-oil ring 8 is arranged in Re Ding
6 lower sections, cooling water ring 9 are arranged below gas-oil ring 8.
Wherein, the shape of gas-oil ring 8 is triangle, including oil ring 14 and compression ring 15, and compression ring 15 is arranged above oil ring 14.
Also, the shape of cooling water ring 9 is triangle, including a cold water ring 16, secondary cooling water ring 17 and cooling section 13, cooling
Section 13 is located at the inside of triangle, and horizontally disposed with a cold water ring 16, and secondary cooling water ring 17 is equipped with water hole 11, is located at triangle
Side on water hole 11 it is big and intensive, the water hole 11 close to the corner of triangle is small and sparse.
In addition, smelting furnace 1 is intermediate frequency furnace.Tundish 2 is the batch-type furnace of graphite electrode heating.
Suitable for above-mentioned preparation facilities, invention proposes a kind of application method of the preparation facilities of triangle continuous casting billet,
The following steps are included:
Aluminum melting: commercial-purity aluminium (99.7%), alusil alloy are added to melting in smelting furnace 1 first, work as in-furnace temperature by S1
When reaching 760 DEG C, industrial magnesium ingot is added, is melted to magnesium ingot, obtains molten metal liquid；
S2 is stood: molten metal liquid described in S1 being introduced tundish 2, stands heat preservation, tundish 2 is by DWK702 temperature control
Cabinet and platinum-rhodium-platinum thermocouple precise control of temperature, temperature deviation are ± 3 DEG C, and degasification is carried out at 760 DEG C, is skimmed, at 730 DEG C
Stand 15~progress triangle base air film semi-continuous casting after twenty minutes；
S3, air film semi-continuous casting: molten metal liquid described in S2 is introduced into crystallizer 3, and triangle base is cast as
Type；The optimum process condition of triangle continuous casting billet are as follows: pouring temperature is 730 DEG C, casting speed 120mm/min, cooling water flow
0.05m3/ min, gas flow 3L/min, flow of lubrication 4mL/min.
The embodiment of the present invention 2: a kind of preparation facilities of triangle continuous casting billet, including the smelting furnace 1, intermediate set gradually
Packet 2 and crystallizer 3 and fueller 4 and feeder 5, wherein crystallizer 3 includes 6, flange cover 7, gas-oil ring 8 of heat top
With cooling water ring 9, the shape on heat top 6 is cylindrical body, and the center on heat top 6 is equipped with the through-hole 10 of triangle, and flange cover 7 is arranged in heat
6 lower parts are pushed up, flange cover 7 is equipped with through slot 12, and the shape of through slot 12 is matched with the shape of through-hole 10, and gas-oil ring 8 is arranged in Re Ding
6 lower sections, cooling water ring 9 are arranged below gas-oil ring 8.
Wherein, the shape of gas-oil ring 8 is triangle, including oil ring 14 and compression ring 15, and compression ring 15 is arranged above oil ring 14.
Also, the shape of cooling water ring 9 is triangle, including a cold water ring 16, secondary cooling water ring 17 and cooling section 13, cooling
Section 13 is located at the inside of triangle, and horizontally disposed with a cold water ring 16, and secondary cooling water ring 17 is equipped with water hole 11, is located at triangle
Side on water hole 11 it is big and intensive, the water hole 11 close to the corner of triangle is small and sparse.
In addition, smelting furnace 1 is intermediate frequency furnace.
Suitable for above-mentioned preparation facilities, invention proposes a kind of application method of the preparation facilities of triangle continuous casting billet,
The following steps are included:
Aluminum melting: commercial-purity aluminium (99.7%), alusil alloy are added to melting in smelting furnace 1 first, work as in-furnace temperature by S1
When reaching 750 DEG C, industrial magnesium ingot is added, is melted to magnesium ingot, obtains molten metal liquid；
S2 is stood: molten metal liquid described in S1 being introduced tundish 2, stands heat preservation, tundish 2 is by DWK702 temperature control
Cabinet and platinum-rhodium-platinum thermocouple precise control of temperature, temperature deviation are ± 3 DEG C, and degasification is carried out at 750 DEG C, is skimmed, at 720 DEG C
Stand 15~progress triangle base air film semi-continuous casting after twenty minutes；
S3, air film semi-continuous casting: molten metal liquid described in S2 is introduced into crystallizer 3, and triangle base is cast as
Type；The process conditions of triangle continuous casting billet are as follows: pouring temperature is 720 DEG C, casting speed 110mm/min, cooling water flow
0.04m3/ min, gas flow 2.5L/min, flow of lubrication 3.5mL/min.
The embodiment of the present invention 3: a kind of preparation facilities of triangle continuous casting billet, including the smelting furnace 1, intermediate set gradually
Packet 2 and crystallizer 3 and fueller 4 and feeder 5, wherein crystallizer 3 includes 6, flange cover 7, gas-oil ring 8 of heat top
With cooling water ring 9, the shape on heat top 6 is cylindrical body, and the center on heat top 6 is equipped with the through-hole 10 of triangle, and flange cover 7 is arranged in heat
6 lower parts are pushed up, flange cover 7 is equipped with through slot 12, and the shape of through slot 12 is matched with the shape of through-hole 10, and gas-oil ring 8 is arranged in Re Ding
6 lower sections, cooling water ring 9 are arranged below gas-oil ring 8.
Wherein, the shape of gas-oil ring 8 is triangle, including oil ring 14 and compression ring 15, and compression ring 15 is arranged above oil ring 14.
Also, the shape of cooling water ring 9 is triangle, including a cold water ring 16, secondary cooling water ring 17 and cooling section 13, cooling
Section 13 is located at the inside of triangle, and horizontally disposed with a cold water ring 16, and secondary cooling water ring 17 is equipped with water hole 11, is located at triangle
Side on water hole 11 it is big and intensive, the water hole 11 close to the corner of triangle is small and sparse.
Suitable for above-mentioned preparation facilities, invention proposes a kind of application method of the preparation facilities of triangle continuous casting billet,
The following steps are included:
Aluminum melting: commercial-purity aluminium (99.7%), alusil alloy are added to melting in smelting furnace 1 first, work as in-furnace temperature by S1
When reaching 770 DEG C, industrial magnesium ingot is added, is melted to magnesium ingot, obtains molten metal liquid；
S2 is stood: molten metal liquid described in S1 being introduced tundish 2, stands heat preservation, tundish 2 is by DWK702 temperature control
Cabinet and platinum-rhodium-platinum thermocouple precise control of temperature, temperature deviation are ± 3 DEG C, and degasification is carried out at 770 DEG C, is skimmed, at 740 DEG C
Stand 15~progress triangle base air film semi-continuous casting after twenty minutes；
S3, air film semi-continuous casting: molten metal liquid described in S2 is introduced into crystallizer 3, and triangle base is cast as
Type；The process conditions of triangle continuous casting billet are as follows: pouring temperature is 740 DEG C, casting speed 130mm/min, cooling water flow
0.06m3/ min, gas flow 3.5L/min, flow of lubrication 4.5mL/min.
Claims (1)
1. a kind of application method of the preparation facilities of triangle continuous casting billet, which is characterized in that the preparation of the triangle continuous casting billet
Device includes the smelting furnace (1) set gradually, tundish (2) and crystallizer (3) and fueller (4) and feeder
(5), wherein crystallizer (3) includes heat top (6), flange cover (7), gas-oil ring (8) and cooling water ring (9), and the shape on heat top (6) is
Cylindrical body, the center on heat top (6) are equipped with the through-hole (10) of triangle, and flange cover (7) is arranged in Re Ding (6) lower part, flange cover (7)
It being equipped with through slot (12), the shape of through slot (12) is matched with the shape of through-hole (10), and gas-oil ring (8) is arranged below Re Ding (6),
Cooling water ring (9) setting is below gas-oil ring (8)；The shape of cooling water ring (9) is triangle, including a cold water ring (16), two
Cold water ring (17) and cooling section (13), cooling section (13) are located at the inside of triangle, and horizontally disposed with a cold water ring (16), and two
Cold water ring (17) is equipped with water hole (11), and the water hole (11) on the side of triangle is big and intensive, close to the corner of triangle
Water hole (11) it is small and sparse；The shape of gas-oil ring (8) is triangle, including oil ring (14) and compression ring (15), compression ring (15) are set
It sets above oil ring (14)；Smelting furnace (1) is intermediate frequency furnace；Tundish (2) is the batch-type furnace of graphite electrode heating；
The application method, comprising the following steps:
S1, aluminum melting: first by purity be 99.7% commercial-purity aluminium, alusil alloy be added to smelting furnace (1) interior melting, when in furnace
When temperature reaches 750~770 DEG C, industrial magnesium ingot is added, is melted to magnesium ingot, obtains molten metal liquid；
S2 is stood: molten metal liquid described in S1 being introduced tundish (2), stands heat preservation, tundish (2) is by DWK702 temperature control
Cabinet and platinum-rhodium-platinum thermocouple precise control of temperature, temperature deviation are ± 3 DEG C, and degasification is carried out at 750~770 DEG C, is skimmed,
15~progress triangle base air film semi-continuous casting after twenty minutes is stood at 720~740 DEG C；
Air film semi-continuous casting: S3 molten metal liquid described in S2 is introduced into crystallizer (3), triangle base casting and forming；
The process conditions of triangle continuous casting billet are as follows: pouring temperature is 720~740 DEG C, 110~130mm/min of casting speed, cooling water flow
Measure 0.04~0.06m3/ min, gas flow are 2.5~3.5L/min, and flow of lubrication is 3.5~4.5mL/min.
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| CN201610041833.1A CN105522132B (en) | 2016-01-21 | 2016-01-21 | The application method of the preparation facilities of triangle continuous casting billet |
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| CN112974744B (en) * | 2021-05-12 | 2021-09-14 | 中国航发北京航空材料研究院 | Manufacturing device and manufacturing method of aluminum alloy ingot |
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| DE3411734A1 (en) * | 1984-03-30 | 1985-11-14 | Badische Stahlwerke Ag | Apparatus for the continuous casting and rolling of metals, in particular steel |
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2016
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| CN101332493A (en) * | 2008-07-31 | 2008-12-31 | 东北大学 | Gas film quick continuous casting device and method in magnetostatic field |
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