CN110184486A - A kind of method of sheet billet continuous casting and rolling production high-performance aluminium alloy Strip - Google Patents
A kind of method of sheet billet continuous casting and rolling production high-performance aluminium alloy Strip Download PDFInfo
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- CN110184486A CN110184486A CN201910577706.7A CN201910577706A CN110184486A CN 110184486 A CN110184486 A CN 110184486A CN 201910577706 A CN201910577706 A CN 201910577706A CN 110184486 A CN110184486 A CN 110184486A
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- 238000000034 method Methods 0.000 title claims abstract description 70
- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 61
- 238000009749 continuous casting Methods 0.000 title claims abstract description 56
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 43
- 238000005266 casting Methods 0.000 claims abstract description 112
- 238000012545 processing Methods 0.000 claims abstract description 44
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- 238000000576 coating method Methods 0.000 claims abstract description 10
- 238000005098 hot rolling Methods 0.000 claims abstract description 10
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- 229910002804 graphite Inorganic materials 0.000 claims abstract description 9
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 39
- 239000000956 alloy Substances 0.000 claims description 23
- 229910045601 alloy Inorganic materials 0.000 claims description 20
- 239000004411 aluminium Substances 0.000 claims description 18
- 239000000047 product Substances 0.000 claims description 13
- 238000004140 cleaning Methods 0.000 claims description 12
- 238000007872 degassing Methods 0.000 claims description 11
- 239000000919 ceramic Substances 0.000 claims description 9
- 239000000498 cooling water Substances 0.000 claims description 9
- 239000004615 ingredient Substances 0.000 claims description 9
- 230000009467 reduction Effects 0.000 claims description 9
- 238000004458 analytical method Methods 0.000 claims description 8
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- 239000011265 semifinished product Substances 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 5
- 238000011282 treatment Methods 0.000 claims description 5
- 238000003860 storage Methods 0.000 claims description 3
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- 238000005516 engineering process Methods 0.000 abstract description 10
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- 239000003344 environmental pollutant Substances 0.000 abstract description 3
- 231100000719 pollutant Toxicity 0.000 abstract description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 2
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 abstract description 2
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- 238000003723 Smelting Methods 0.000 description 5
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- 238000005265 energy consumption Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 229910001008 7075 aluminium alloy Inorganic materials 0.000 description 4
- 229910000906 Bronze Inorganic materials 0.000 description 4
- KMWBBMXGHHLDKL-UHFFFAOYSA-N [AlH3].[Si] Chemical compound [AlH3].[Si] KMWBBMXGHHLDKL-UHFFFAOYSA-N 0.000 description 4
- 239000010974 bronze Substances 0.000 description 4
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 4
- 239000011777 magnesium Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 229910017813 Cu—Cr Inorganic materials 0.000 description 3
- 241000220317 Rosa Species 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
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- 229920006395 saturated elastomer Polymers 0.000 description 2
- 239000006104 solid solution Substances 0.000 description 2
- 229910001334 3003 aluminium alloy Inorganic materials 0.000 description 1
- 229910018191 Al—Fe—Si Inorganic materials 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005097 cold rolling Methods 0.000 description 1
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- 238000005461 lubrication Methods 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
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- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
- B21B1/24—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a continuous or semi-continuous process
- B21B1/26—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a continuous or semi-continuous process by hot-rolling, e.g. Steckel hot mill
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B3/00—Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
-
- 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
- C22C1/026—Alloys based on aluminium
-
- 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
- C22C1/03—Making non-ferrous alloys by melting using master alloys
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
- B21B2001/225—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length by hot-rolling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B3/00—Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
- B21B2003/001—Aluminium or its alloys
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Continuous Casting (AREA)
- Metal Rolling (AREA)
Abstract
The present invention relates to a kind of methods of sheet billet continuous casting and rolling production high-performance aluminium alloy Strip, this method is first refining aluminium alloy melt, double-roll type sheet billet continuous casting and rolling is carried out to it using the water-cooled casting rolls that surface has nano-graphite coating to lubricate, and obtains continuous casting and rolling sheet billet；Carry out hot-leveling, the processing of concurrent heating samming, heat preservation, uncoiling progress hot finishing.Method of the invention saves the processes such as semi-continuous casting, milling face, homogenization heat treatment, hot roughing, the intermediate annealing of traditional slab hot-rolling cogging method, aluminum alloy strip lumber recovery significantly improves 20% or more, production cycle was shortened to 0.5 day or so by original 20 days, and production efficiency significantly improves；Improving, production technology is successional while reducing by 30% or more production cost, reduce 50% or more the pollutant emissions such as carbon/sulfide, generates big economic benefit and social benefit.
Description
Technical field
The present invention relates to a kind of methods of sheet billet continuous casting and rolling production high-performance aluminium alloy Strip, belong to material metallurgy
Technical field.
Background technique
In recent decades, domestic and international intermetallic composite coating circle all around it is energy saving, reduce discharge, reduce production cost,
Production efficiency and lumber recovery are improved, is improved production quality to develop new technology, to reach long-term and constantly energy-saving and emission-reduction, raising
The purpose of quality.It is obtained currently, aluminum alloy slab mainly uses semi-continuous casting method to prepare big slab ingot by rolling, ingot casting is thick
Degree is more than 600mm, and length about 6-8m, this big inside ingot homogeneity of ingredients is poor, and the production cycle is long, the processes such as cutting head, milling face
Lumber recovery is less than 70% afterwards, and heat treatment energy consumption is high, pollutant emission is mostly the huge barrier for improving aluminium quality, reducing production cost
Hinder.
Sheet billet continuous casting rolling technology is that liquid metal is directly injected into the Casting Roller and casting cooling by two internal water flowings
In the closing roll casting zone that mouth is constituted, and a kind of technique of semifinished or finished goods slab is directly prepared with the rotation of Casting Roller, spy
Point is the quick nonequilibrium solidification process in Asia completed in a very short period of time from liquid metal to solid-state slab, and liquid metal exists
Pressure processing and plastic deformation are born while crystallization and freezing.Sheet billet continuous casting rolling technology is considered as most possibly overturning biography
Uniting, metal material manufacturing process is long, at high cost, energy consumption is high, of poor quality, discharge more, the low status of lumber recovery one revolutionary skills
Art, compared with traditional strip production procedure, sheet billet casting-rolling technology can save producing line investment 80%, reduce production energy consumption
50%, COx, NO are reducedX、SOXEqual 50% or more noxious gas emissions save 30% or more production cost, improve lumber recovery 20%
More than.At the same time, sheet billet rolling casting technology provides a kind of extreme preparation condition with industrial applications prospect, is based on
The non-equilibrium microstructure feature of Sub realizable fuzzy matrix, the super saturated solid solution of alloying element and special homogenization institutional framework are work
Wide cut, homogeneous, high quality, low cost, the alloy strip steel rolled stock for being easy to be further processed are developed and designed under industry scale to provide entirely
New technological means, and completely new possibility is provided for the design and being substantially improved for performance of novel alloy.But current ingot casting-
That there are large-sized aluminium alloy plate ingot thickness direction component differences is big for hot rolling technology, microstructure is uneven, lumber recovery is low etc. lacks
Falling into is that there is an urgent need for solutions.
Summary of the invention
(1) technical problems to be solved
In order to solve prior art large-sized aluminium alloy plate ingot thickness direction component difference is big, microstructure is uneven, at
The low problem of material rate, the present invention provide a kind of method of sheet billet continuous casting and rolling production high-performance aluminium alloy Strip, this method
Process flow it is short, cost of investment is low, and energy consumption discharge is low, the aluminum alloy sheets and strips producer that slab quality is high and lumber recovery is high
Method.
(2) technical solution
In order to achieve the above object, the main technical schemes that the present invention uses include:
A kind of method of sheet billet continuous casting and rolling production high-performance aluminium alloy Strip comprising following steps:
S1, according to the standard analysis ingredient of institute's cast aluminium alloy sheet billet, first by aluminium ingot all fusing after, sequentially add needed for
Aluminum water, is then transferred in heat preservation standing furnace and carries out stewing process by intermediate alloy, and the stable refined aluminum of temperature is obtained after cooling
Alloy melt；
S2, the water-cooled casting rolls for having nano-graphite coating to lubricate using surface carry out double-roll type to the refining aluminium alloy melt
Sheet billet continuous casting and rolling obtains the continuous casting and rolling sheet billet with a thickness of 15~100mm；
S3, the pinch roller in the exit of casting and rolling machine setting a pair with hot-leveling function are thin to obtained continuous casting and rolling
Slab carries out hot-leveling, obtains the good sheet billet casting volume of plate shape, thickness；
S4, sheet billet casting volume is subjected to the processing of concurrent heating samming in continuous tunnel furnace or holding furnace,
After S5, sheet billet casting volume are kept the temperature in continuous tunnel furnace, uncoiling carries out hot finishing.
Be preferably carried out in scheme one, in step sl, the aluminum alloy thin slab include 1100,3003,5182,
6022,7075 line aluminium alloy sheet billet.
It is preferably carried out in scheme one, in step sl, the cleaning molten processing refers specifically to rotate using SNIF
Blowing carries out degassing processing；It is filtered using ceramic wafer except Slag treatment.
It is preferably carried out in scheme one, in step sl, the temperature of the heat preservation standing furnace is 710~750 DEG C, is stood
Time is 0.5~1.5h.
Be preferably carried out in scheme one, in step s 2, the roller diameters of the water-cooled casting rolls be Φ 500~
1200mm, roller set are 25 DEG C~35 DEG C with a thickness of 20~40mm, the temperature of roll Inlet water, the temperature setting 30 of roll exit water
~35 DEG C, cooling water pressure is set as 0.2Mpa~0.4Mpa, and the pouring temperature of the refining aluminium alloy melt is 650~730
DEG C, roll casting speed is 0.3~35m/min.
Further, it is preferable that the pouring temperature of the refining aluminium alloy melt is 675~720 DEG C, roll casting speed 0.3
~1.5m/min.
It is preferably carried out in scheme one, in step s3, the temperature of institute's hot-leveling is 200~600 DEG C, smooth drafts
It is up to 3%~20%.
It is preferably carried out in scheme one, in step s3, the temperature of institute's hot-leveling is preferably 300~500 DEG C, smooth pressure
Lower amount maximum is preferably 5%~10%.
It is preferably carried out in scheme one, in step s 4, the holding temperature 300 DEG C~600 of the concurrent heating samming processing
DEG C, temperature-controlled precision ± 3~5 DEG C, quantity volume 10~20 of storage volume, 30~35m of effective length.
It is preferably carried out in scheme one, in step s 5, the uncoiling carries out the start rolling temperature 340~350 of hot finishing
DEG C, 180~200 DEG C of finishing temperature, hot rolling deformation amount 70%~90%, percentage pass reduction is up to 50%, obtain with a thickness of 2~
The finished product of 10mm/semi-finished product hot rolled coil.
(3) beneficial effect
Compared with prior art, the features of the present invention and beneficial effect are:
Sheet billet continuous casting and rolling provided by the invention produces high-performance aluminium alloy Strip method, is the essence that temperature is stable
Aluminium metallurgy water produces the sheet billet with a thickness of 15~100mm using Horizontal double roller casting equipment, while during continuous casting and rolling
Realizing has the casting for stablizing liquid level, and being involved in for aluminium oxide is reduced while not destroying liquid level surface layer oxide film, is improved
The subsequent processing performance of plate；Sheet billet continuous casting and rolling technique belongs to productive technology of short flow, due to cold in aluminum water process of setting
But speed is up to 100~1000 DEG C/s, belongs to typical Sub realizable fuzzy matrix, has alloying element super saturated solid solution, microstructure
The advantages such as homogeneous fine grain and chemical component are uniform.The homogeneous fine grain feature of tissue have heredity, can be improved product strength and
Processability.Meanwhile saving the processes such as semi-continuous casting, milling face, homogenization heat treatment, hot roughing, intermediate annealing, production technology
Period shortened to current 0.5 day by original 20 days, and lumber recovery is increased to current 90% or more less than 70% by original,
Energy consumption reduces by 50% or more, and production cost reduces by 30% or more, reduces 50% or more the pollutant emissions such as carbon/sulfide, meets
Energy-saving and emission-reduction, the requirement for improving stock utilization, generate huge economic benefit and social benefit.
Detailed description of the invention
Fig. 1 is the industrialization producing line arrangement schematic diagram of present device；
Fig. 2 is sheet billet continuous casting and rolling of the present invention-concurrent heating samming-hot continuous rolling production technological process；
Fig. 3 is that the made-up belt microstructure by traditional casting-rolling method continuous casting and rolling process production of 1100 aluminum alloy thin slabs is shone
Piece；
Fig. 4 is the microstructure photo of the sheet billet by the preparation of 2 method of embodiment of 1100 aluminum alloy thin slabs；
Fig. 5 is the made-up belt microstructure photograph that 3003 aluminum alloy thin slabs press traditional casting-rolling method continuous casting and rolling process production
Piece；
Fig. 6 is microstructure photo of the 3003 aluminum alloy thin slabs by the sheet billet of 3 method of embodiment preparation；
Fig. 7 is that the made-up belt microstructure by traditional casting-rolling method continuous casting and rolling process production of 5182 aluminum alloy thin slabs is shone
Piece；
Fig. 8 is the microstructure photo for the sheet billet of 5182 aluminum alloy thin slabs prepared as described in Example 4；
Fig. 9 is that the made-up belt microstructure for the continuous casting and rolling process production that 6022 aluminum alloy thin slabs press traditional casting-rolling method is shone
Piece；
Figure 10 is the microstructure photo for the sheet billet that 6022 aluminum alloy thin slabs are prepared as described in Example 5；
Figure 11 is the made-up belt microstructure for the continuous casting and rolling process production that 7075 aluminum alloy thin slabs press traditional casting-rolling method
Photo；
Figure 12 is the microstructure photo for the sheet billet that 7075 aluminum alloy thin slabs are prepared as described in Example 6.
Specific embodiment
In order to preferably explain the present invention, in order to understand, with reference to the accompanying drawing, by specific embodiment, to this hair
It is bright to be described in detail.
Embodiment 1
A kind of industrialization producing line arrangement of sheet billet continuous casting and rolling production high-performance aluminium alloy Strip, as shown in Figure 1:
Smelting furnace stands holding furnace-filter device-depassing unit-chute-continuous casting & rolling line-pinch roller-shearing machine-crimping machine-aluminium volume
- three rack continuous hot-rolling mill of rapid transit system-continuous tunnel furnace-uncoiler-cutter-crimping machine, configures, continuous casting and rolling according to production capacity
Producing line can be a plurality of；It is as shown in Figure 2 that it corresponds to device structure schematic diagram, comprising: and aluminum alloy smelting furnace 1 stands holding furnace 2,
Rose Box 3, degasification tank 4, chute 5, continuous casting & rolling line 6, pinch roller 7, the first shearing machine 8, first pair of coiling machine 9 quickly transport
Roller-way 10, continuous tunnel furnace 11, double uncoilers 12, three rack continuous hot-rolling mills 13, the second shearing machine 14, second pair of coiling machine 15.Wherein,
After Rose Box and degasification tank are arranged in exquisite holding furnace, Rose Box uses ceramic wafer filter device；Depassing unit uses SNIF stone
Black rotor rotary impreller degassing；The bast mouth of silicic acid aluminium material is arranged in the inlet of casting and rolling machine, and bast mouth center line is equal to or omits
Lower than the center line of two rolls, for being input to aluminium alloy melt in the roll casting zone being made of roll and bast mouth；Casting Roller
It is two, vertical symmetry arrangement is divided into Casting Roller and lower Casting Roller, and Casting Roller includes roller core and roller covers two parts, on roller core
It is provided with groove, the logical cooling water in inside；Pinch roller is arranged in after casting and rolling machine, carries out hot-leveling to the high temperature slab that casting goes out, to
After the casting volume of coiling machine curling reaches certain size, cutter cuts slab, carries out the curling of next casting volume；In order to
Production efficiency with casting and rolling machine and three rack hot continuous rollings is provided with tunnel type holding furnace before entering hot continuous rolling, more to meet
Concurrent heating and samming while rolling up casting volume；Casting volume after concurrent heating is carried out multi-pass by three rack continuous hot-rolling mills, continuous to depress, and is obtained
There must be certain thickness aluminum alloy hot rolling to roll up；In order to mitigate the center-line segregation defect of aluminium alloy casting, it is arranged between Casting Roller
Minimum roll gap >=15mm, to following process process reduction ratio with higher, preferably, roll gap is set as 15-
100mm。
The method for preparing aluminum alloy sheets and strips using above equipment is carried out using following steps:
(1) melting, refining:
According to the standard analysis ingredient for casting 1100,3003,5182,6022,7075 line aluminium alloy sheet billets, it is put into melting
Melting is carried out in furnace, first by after fine aluminium ingot all fusing, sequentially adds required intermediate alloy, aluminum water is then transferred to heat preservation
Stewing process is carried out in standing furnace, when the aluminum water temperature in standing furnace is 710~750 DEG C, carries out cleaning molten processing, it is described
Cleaning molten processing refer specifically to can be significantly reduced using SNIF rotary impreller degassing processing+ceramic wafer filtering and removing slag processing
The content that the formation of stomata and large scale are mingled in cast-rolled block improves the quality of slab, and the stable essence of temperature is obtained after cooling
Aluminium metallurgy alloy melt；
(2) continuous casting and rolling sheet billet is prepared:
There are the water-cooled casting rolls of nano-graphite coating lubrication etc. to carry out double-roll type sheet billet to refining aluminum water using surface continuous
Casting.Roller diameter is 500~1200mm of Φ, and roller set is with a thickness of 20~40mm, the in order to prevent generation of scale, roll Inlet water
25 DEG C~35 DEG C of temperature, suitable 30~35 DEG C of the temperature of roll exit water, cooling water pressure is set as 0.2Mpa~0.4Mpa.Essence
The pouring temperature of aluminium metallurgy water is 650~730 DEG C, and roll casting speed is 0.3~35m/min, is obtained with a thickness of the continuous of 15~100mm
Casting sheet billet, for vertical plate success and the surface quality of strip, preferred melt cast temperature is 675~720 DEG C, casting
Speed is 0.3~1.5m/min, if melt temperature is lower than 675 DEG C or roll casting speed is lower than 0.3m/min, melt heat dissipation is too fast,
Melt solidifies in advance in bast mouth, causes bast mouth blocking or strip deflection excessive, while it is serious to split defect；If melt temperature is high
It is greater than 1.5m/min in 720 DEG C or speed, melt has little time to solidify in roll casting zone, causes to run soup, vertical plate failure or strip
There is tropical defect in surface, reduces the surface quality of strip.
(3) hot-leveling:
A pair of pinch roller with hot-leveling function can be set in the exit of casting and rolling machine, to obtained casting sheet billet
Hot-leveling is carried out, 200~600 DEG C of smooth temperature, preferably 300~500 DEG C, smooth drafts is up to 3%~20%, preferably
It is 5%~10%, obtains the good sheet billet casting volume of plate shape, thickness, enter in continuous tunnel furnace or holding furnace after batching and mended
Hot samming, wherein the maximum effect of pinch roller is to can reduce the crackle tendency of made-up belt, improves the surface smoothness and table of strip
Face precision.
(4) continuous tunnel furnace concurrent heating samming:
Sheet billet casting volume is subjected to the processing of concurrent heating samming in continuous tunnel furnace, 300 DEG C~600 DEG C of holding temperature, temperature control is smart
± 3~5 DEG C of degree, storage volume quantity >=5 volume, preferably volume 10~20, effective length >=15m, preferably 30~40mm are realized simultaneously
The decomposition of the recrystallized structure regulation and coarse primary crystallization phase of sheet billet.There is the concurrent heating of holding furnace to handle, does not need to cast
It rolls speed and multi-frame hot continuous rolling speed carries out stringent matching, improve the processing efficiency and rate of strip.
(5) hot continuous rolling:
It is configured according to production capacity, sheet billet casting volume soaking time range in continuous tunnel furnace is 10-30h, and uncoiling carries out heat essence
It rolls.In order to obtain complete recrystallized structure, the rolling load of hot-rolling mill is reduced, the rolling stress of hot-rolled product, open rolling are eliminated
Preferably minimum 350 DEG C, preferably 350 DEG C~420 DEG C of temperature；Minimum 200 DEG C of finishing temperature, preferably 225 DEG C~275 DEG C；
Hot rolling deformation amount 70%~90%, percentage pass reduction are up to 50%, obtain with a thickness of 2~10mm, preferably 3~6mm at
Product/semi-finished product hot rolled coil provide enough deformation rates for the subsequent cold rolling of product.
Embodiment 2
Be in the present embodiment to 1100 aluminum alloy thin slabs, continuous casting and rolling combination hot continuous rolling produce aluminum alloy plate materials technique and
The device in embodiment 1 is utilized in method, the specific steps are as follows:
(1) melting, refining:
According to 1100 aluminium alloy standard analysis ingredients, by weight percentage (wt%) (Si+Fe): 0.95, Cu:0.05~
0.20, Zn:0.10, Mn:0.035, Al: surplus.The intermediate alloys equal proportions such as commercial-purity aluminium, aluminium silicon, aluminum bronze are weighed, are put into molten
Melting is carried out in furnace.First by after technical pure aluminium ingot all fusing, above-mentioned intermediate alloy is sequentially added, aluminum water is transferred to guarantor
It is stood in warm standing furnace, when the aluminum water temperature in standing furnace is 710 DEG C, carries out cleaning molten processing, the melt
Purified treatment refers specifically to that Casting Rolled Sheet can be significantly reduced using SNIF rotary impreller degassing processing+ceramic wafer filtering and removing slag processing
The content that the formation of stomata and large scale are mingled in base, improves the quality of slab, is then cooled to 700 DEG C and stands 1 hour again, obtains
Obtain the stable refining aluminum water of temperature；
(2) melt conveying:
Melt is delivered to continuous casting & rolling line by chute, by melt temperature control at 685 DEG C ± 2 DEG C, liquid level in chute
Height control is 110mm；Roll casting speed is 1.2m/min；
(3) continuous casting and rolling sheet billet is prepared:
The double-roll type sheet billet continuous casting and rolling device for thering is nano-graphite coating to lubricate using surface；Roller set uses gun-steel material
Matter, giving casting roll gap up and down is 15mm, and mouth fan opening degree is 40mm to bast mouth up and down, and casting roller diameter is Φ 860mm, and roll surface is wide
Spend 1000mm；Roll casting speed is 1.2m/min, in order to prevent the generation of scale, and cooling water pressure is set as 0.4Mpa, roll into
About 25 DEG C~35 DEG C of saliva temperature, suitable 30~35 DEG C of roll exit water temperature；After vertical plate success, by the edge for observing cast-rolled block
Quality finely tunes roll casting speed, determines so that slab edge is bright, flawless, stablizes roll casting speed, start continuous production.
(4) hot-leveling:
In the exit of casting and rolling machine, a pair of pinch roller with hot-leveling function of setting, carries out obtained casting sheet billet
Hot-leveling, about 400 DEG C of smooth temperature, smooth drafts is about 8%, obtains the good sheet billet casting volume of plate shape, thickness；
(5) continuous tunnel furnace:
The progress concurrent heating samming processing in continuous tunnel furnace by sheet billet casting volume, 420 DEG C of holding temperature range, while realizing thin
The regulation of the coarse primary crystallization phase such as slab recrystallized structure and Al-Fe-Si.The heat preservation concurrent heating of continuous tunnel furnace is handled, woth no need to
Roll casting speed and multi-frame hot continuous rolling speed are subjected to stringent matching, improve the processing efficiency and rate of strip.
(6) hot continuous rolling
After sheet billet casting volume keeps the temperature a period of time in batch-type furnace, uncoiling carries out hot finishing, three rack hot continuous rolling passages
Reduction ratio is respectively 30%, 40%, 50%, and controlling hot finishing temperature is 225 ± 5 DEG C, obtain the finished product with a thickness of 3mm/half at
Product hot rolled coil, compare conventional casting methods, and using aluminum alloy slab produced by the invention, production cost reduces by 2000 yuan/ton
More than, cost reduces by 30% or more (data source Yunnan metallurgy group).
It is illustrated in figure 3 the made-up belt microstructure photo that 1100 aluminum alloy thin slabs use conventional method to prepare, such as
Fig. 4 show the made-up belt microstructure photo of the sheet billet of the present embodiment method preparation；As a result illustrate the plate of conventional method preparation
The characteristic that material is symmetrically solidified due to it, there are apparent center segregation or distributed segregations, are closed using aluminium produced by the invention
Golden plate material improves the subsequent deep drawability energy of plate without apparent banded segregation defect, and the cracking for reducing fault location is several
Rate.
Embodiment 3
The present embodiment is to carry out continuous casting and rolling combination hot continuous rolling for 3003 aluminum alloy thin slabs and produce aluminum alloy plate materials work
The device in embodiment 1 is utilized in skill, the specific steps are as follows:
(1) melting, refining:
According to 3003 aluminium alloy standard analysis ingredient (wt%) Si:0.6, Cu:0.1, Zn:0.1, Mn:1.2, Fe:0.7,
Al: the intermediate alloys equal proportions such as commercial-purity aluminium, aluminium silicon, aluminum bronze are weighed, are put into smelting furnace and carry out melting, to aluminium ingot by surplus
All after fusing, above-mentioned intermediate alloy is sequentially added, aluminum water is transferred in heat preservation standing furnace and is stood, when in standing furnace
When aluminum water temperature is 710~750 DEG C, cleaning molten processing is carried out, the cleaning molten processing refers specifically to rotate using SNIF
It is blown degassing processing+ceramic wafer filtering and removing slag processing, the formation of stomata and large scale in cast-rolled block can be significantly reduced and be mingled with
Content, improve the quality of slab, be then cooled to 700 DEG C and stand 1 hour again, obtain the stable refining aluminum water of temperature；
(2) melt conveying:
Melt is delivered to continuous casting & rolling line by chute, by melt temperature control at 690 DEG C ± 2 DEG C, liquid level in chute
Height 110mm；Roll casting speed is 1.0m/min；
(3) continuous casting and rolling sheet billet is prepared:
The double-roll type sheet billet continuous casting and rolling device for thering is nano-graphite coating to lubricate using surface；Roller set uses gun-steel material
Matter, giving casting roll gap up and down is 40mm, and mouth fan opening degree is 110mm to bast mouth up and down, and casting roller diameter is Φ 860mm；Casting
Speed is 1.0m/min, in order to prevent the generation of scale, and cooling water pressure is set as 0.4Mpa, about 25 DEG C of roll inlet water temperature,
Suitable 33 DEG C of roll exit water temperature；After vertical plate success, roll casting speed is finely tuned by observing the quality of edges of cast-rolled block, is determined
So that slab edge is bright, after the roll casting speed of flawless, continuous production is carried out；
(4) hot-leveling:
In the exit of casting and rolling machine, a pair of pinch roller with hot-leveling function of setting, carries out obtained casting sheet billet
Hot-leveling, about 450 DEG C of smooth temperature, smooth drafts is about 5%, obtains plate shape, the good casting sheet billet of thickness；
(5) continuous tunnel furnace:
Sheet billet casting volume is subjected to the processing of concurrent heating samming in continuous tunnel furnace, 570 DEG C~580 DEG C of holding temperature, is eliminated brilliant
Interior segregation and MnAl6The form of one para-crystal is irregular.There is the concurrent heating samming of continuous tunnel furnace to handle, reduces plate in deep-draw
Cracking probability improves the quality of strip.
(6) hot continuous rolling
After sheet billet casting volume keeps the temperature a period of time in batch-type furnace, uncoiling carries out hot finishing, three rack hot continuous rolling passages
Reduction ratio is respectively 30%, 40%, 50%, controls hot finishing temperature greater than 200 DEG C, obtains finished product/semi-finished product with a thickness of 6mm
Hot rolled coil.Present invention eliminates the casting of traditional method for producing aluminum alloy plate, Homogenization Treatments, cutting head, milling face, hot roughing etc.
Process, the production cycle was by original 20 days.Shorten to current 12h, 92% or more lumber recovery.
It is illustrated in figure 5 the microstructure photo of the slab of traditional casting-rolling method preparation；If Fig. 6 is the present embodiment method system
The microstructure photo of standby sheet billet；The result shows that using in continuous casting and rolling device of the present invention and the aluminium alloy of method preparation
Heavy slab, compared with common cast-rolled block, the deflection of plate is obviously increased, and without apparent banded segregation, even tissue is tiny.
Embodiment 4
The present embodiment is to carry out continuous casting and rolling combination hot continuous rolling production aluminum alloy plate materials for 5182 aluminum alloy thin slabs
The device in embodiment 1 is utilized in method, the specific steps are as follows:
(1) melting, refining:
According to 5182 aluminium alloy standard analysis ingredient (wt%) Mg:4.5, Si:0.20, Cu:0.15, Zn:0.25, Mn:
0.35, Cr:0.10, Fe:0.35, Ti:0.10, Al: surplus claims the intermediate alloys equal proportions such as commercial-purity aluminium, aluminium silicon, aluminum bronze
Weight, is put into smelting furnace and carries out melting, after aluminium ingot all fusing, sequentially adds above-mentioned intermediate alloy, aluminum water is transferred to guarantor
It is stood in warm standing furnace, when the aluminum water temperature in standing furnace is 710 DEG C, carries out cleaning molten processing, the melt
Purified treatment refers specifically to that Casting Rolled Sheet can be significantly reduced using SNIF rotary impreller degassing processing+ceramic wafer filtering and removing slag processing
The content that the formation of stomata and large scale are mingled in base improves the quality of slab,.Then 700 DEG C are cooled to and stands 1 hour again,
Cooling obtains the stable refining aluminum water of temperature；
(2) melt conveying:
Melt is delivered to continuous casting & rolling line by chute, melt temperature is controlled at 695 DEG C ± 2 DEG C；
(3) continuous casting and rolling sheet billet is prepared:
The double-roll type sheet billet continuous casting and rolling device for thering is nano-graphite coating to lubricate using surface；Roller set uses high-strength highly-conductive
Cu-Cr alloy material, giving casting roll gap up and down is 20mm, and mouth fan opening degree is 90mm to bast mouth up and down, and casting roller diameter is Φ
860mm；Roll casting speed is 0.6m/min, in order to prevent the generation of scale, and cooling water pressure is set as 0.4Mpa, roll Inlet water
About 25 DEG C, suitable 30~35 DEG C of roll exit water temperature of temperature；After vertical plate success, finely tuned by observing the quality of edges of cast-rolled block
Roll casting speed determines so that carrying out continuous production after the roll casting speed of slab edge light, flawless；
(4) hot-leveling:
In the exit of casting and rolling machine, a pair of pinch roller with hot-leveling function of setting, carries out obtained casting sheet billet
Hot-leveling, about 400 DEG C of smooth temperature, smooth drafts is about 5%, plate shape, the good casting sheet billet of thickness is obtained, after batching
Into progress concurrent heating samming in holding furnace.
(5) continuous tunnel furnace:
The progress concurrent heating samming processing in continuous tunnel furnace by sheet billet casting volume, 460 DEG C of holding temperature, while realizing sheet billet
Recrystallized structure regulation.There is the concurrent heating of continuous tunnel furnace to handle, does not need to carry out roll casting speed and multi-frame hot continuous rolling speed
Stringent matching improves the processing efficiency and rate of strip.
(6) hot continuous rolling
After sheet billet casting volume keeps the temperature a period of time in batch-type furnace, uncoiling carries out hot finishing, three rack hot continuous rolling passages
Reduction ratio is respectively 30%, 40%, 40%, and controlling hot finishing temperature is 250 ± 5 DEG C, obtain the finished product with a thickness of 5mm/half at
Product hot rolled coil.
Such as the microstructure photo that Fig. 7 is slab prepared by traditional casting-rolling method；If Fig. 8 is prepared by 4 method of embodiment
The microstructure photo of sheet billet；As a result illustrating the plate of traditional casting-rolling method production, there are apparent segregation defects, using this
The aluminum alloy plate materials of inventive technique production, increase the deflection of plate, segregation defects are substantially reduced, and even tissue is tiny.
Embodiment 5
The present embodiment is to carry out continuous casting and rolling combination hot continuous rolling production aluminum alloy plate materials for 6022 aluminum alloy thin slabs
The device in embodiment 1 is utilized in method, the specific steps are as follows:
(1) melting, refining:
According to 6022 aluminium alloy standard analysis ingredient (wt%) Si:1.0, Cu:0.10, Zn:0.01, Mn:0.01, Mg:
0.8, Fe:0.1, Al: the intermediate alloys equal proportions such as commercial-purity aluminium, aluminium silicon, aluminum bronze are weighed, aluminium ingot are first put into melting by surplus
Melting is carried out in furnace, after aluminium ingot all fusing after, sequentially add above-mentioned intermediate alloy, by aluminum water be transferred to heat preservation standing furnace in into
Row is stood, and when the aluminum water temperature in standing furnace is 710 DEG C, carries out cleaning molten processing, the cleaning molten processing is specific
Refer to using SNIF rotary impreller degassing processing+ceramic wafer filtering and removing slag processing, the shape of stomata in cast-rolled block can be significantly reduced
At and the content that is mingled with of large scale, improve the quality of slab,.Then 700 DEG C are cooled to and stands 1 hour again, temperature is obtained and stablizes
Refining aluminum water；
(2) melt conveying:
Melt is delivered to continuous casting & rolling line by chute, by melt temperature control at 685 DEG C ± 2 DEG C, liquid level in chute
Height is 110mm；
(3) continuous casting and rolling sheet billet is prepared:
The double-roll type sheet billet continuous casting and rolling device for thering is nano-graphite coating to lubricate using surface；Roller set uses high-strength highly-conductive
Cu-Cr alloy material, giving casting roll gap up and down is 25mm, and mouth fan opening degree is 100mm to bast mouth up and down, and casting roller diameter is Φ
860mm；Roll casting speed is 0.6m/min, in order to prevent the generation of scale, and cooling water pressure is set as 0.4Mpa, roll Inlet water
About 25 DEG C, suitable 30~35 DEG C of roll exit water temperature of temperature；After vertical plate success, finely tuned by observing the quality of edges of cast-rolled block
Roll casting speed determines so that carrying out continuous production after the roll casting speed of slab edge light, flawless；
(4) hot-leveling:
In the exit of casting and rolling machine, a pair of pinch roller with hot-leveling function of setting, carries out obtained casting sheet billet
Hot-leveling, about 400 DEG C of smooth temperature, smooth drafts is about 5%, plate shape, the good casting sheet billet of thickness is obtained, after batching
Into concurrent heating samming is carried out in continuous tunnel furnace or holding furnace, the maximum effect of pinch roller is to can reduce the crackle tendency of made-up belt, is mentioned
The surface smoothness and surface accuracy of high strip.
(5) continuous tunnel furnace:
The progress concurrent heating samming processing in continuous tunnel furnace by sheet billet casting volume, 460 DEG C of holding temperature, while realizing sheet billet
Recrystallized structure regulation.There is the concurrent heating of holding furnace to handle, does not need to carry out roll casting speed and multi-frame hot continuous rolling speed
Stringent matching improves the processing efficiency and rate of strip.
(6) hot continuous rolling
After sheet billet casting volume keeps the temperature a period of time in batch-type furnace, uncoiling carries out hot finishing, three rack hot continuous rolling passages
Reduction ratio is respectively 30%, 40%, 50%, controls 275 ± 5 DEG C of hot finishing temperature, obtains finished product/semi-finished product with a thickness of 5mm
Hot rolled coil.
Such as the microstructure photo that Fig. 9 is slab prepared by traditional casting-rolling method；It is prepared by the method if Figure 10 is embodiment 5
Sheet billet microstructure photo；As a result illustrating the plate of traditional casting-rolling method production, there are apparent segregation defects, use
The aluminum alloy plate materials of apparatus and method of the present invention production, deflection dramatically increase, and segregation defects are substantially reduced, and even tissue is thin
It is small.
Embodiment 6
The present embodiment is to carry out continuous casting and rolling combination hot continuous rolling production aluminum alloy plate materials for 7075 aluminum alloy thin slabs
The device in embodiment 1 is utilized in method, the specific steps are as follows:
(1) melting, refining:
According to 7075 aluminium alloy standard analysis ingredient (wt%) Cu:1.64, Zn:5.62, Mg:2.72, Cr:0.24, Fe:
0.1, Si:0.4, Al: the alloys equal proportions such as commercial-purity aluminium, pure magnesium, pure zinc are weighed, are put into smelting furnace and carry out melting by surplus,
After aluminium ingot all fusing, above-mentioned intermediate alloy is sequentially added, aluminum water is transferred in heat preservation standing furnace and is stood, standing is worked as
When aluminum water temperature in furnace is 710 ± 5 DEG C, cleaning molten processing is carried out, the cleaning molten processing is referred specifically to using SNIF
Rotary impreller degassing processing+ceramic wafer filtering and removing slag processing, can be significantly reduced the formation and large scale of stomata in cast-rolled block
The content being mingled with improves the quality of slab,.Then 700 DEG C are cooled to and stands 1 hour again, obtains the stable refining aluminum water of temperature；
(2) melt conveying:
Melt is delivered to continuous casting & rolling line by chute, melt temperature is controlled at 675 DEG C ± 2 DEG C；
(3) continuous casting and rolling sheet billet is prepared:
The double-roll type sheet billet continuous casting and rolling device for thering is nano-graphite coating to lubricate using surface；Roller set uses high-strength highly-conductive
Cu-Cr alloy material, giving casting roll gap up and down is 20mm, and mouth fan opening degree is 105mm to bast mouth up and down, and casting roller diameter is Φ
860mm；Roll casting speed is 0.4m/min, in order to prevent the generation of scale, and cooling water pressure is set as 0.4Mpa, roll Inlet water
About 25 DEG C, suitable 30~35 DEG C of roll exit water temperature of temperature；After vertical plate success, finely tuned by observing the quality of edges of cast-rolled block
Roll casting speed determines so that carrying out continuous production after the roll casting speed of slab edge light, flawless；
(4) hot-leveling:
In the exit of casting and rolling machine, a pair of pinch roller with hot-leveling function of setting, carries out obtained casting sheet billet
Hot-leveling, about 400 DEG C of smooth temperature, smooth drafts is about 6%, obtains the good sheet billet casting volume of plate shape, thickness, batches
Enter afterwards and carries out concurrent heating samming in continuous tunnel furnace
(5) continuous tunnel furnace:
The progress concurrent heating samming processing in continuous tunnel furnace by sheet billet casting volume, 420 DEG C of holding temperature, while realizing sheet billet
Recrystallized structure regulation.There is the concurrent heating of holding furnace to handle, does not need to carry out roll casting speed and multi-frame hot continuous rolling speed
Stringent matching improves the processing efficiency and rate of strip.
(6) hot continuous rolling
After sheet billet casting volume keeps the temperature a period of time in batch-type furnace, uncoiling carries out hot finishing, three rack hot continuous rolling passages
Reduction ratio is respectively 40%, 50%, 50%, controls 275 ± 5 DEG C of hot finishing temperature and obtains the finished product with a thickness of 3mm/semi-finished product heat
Roll volume.
It is as shown in figure 11 the microstructure photo of the slab of traditional casting-rolling method preparation；It is as shown in figure 12 the present embodiment
The microstructure photo of the sheet billet of 6 method preparation, the results showed that, through the invention prepared by the technological process of production and method
Aluminum Alloy Plate base, compared with common cast-rolled block, non-stop layer line is segregated and tissue more refines, uniformly.
The above described is only a preferred embodiment of the present invention, being not the limitation for doing other forms to the present invention, appoint
What those skilled in the art can use the equivalence enforcement that technology contents disclosed above were changed or be modified as equivalent variations
Example.But without departing from the technical solutions of the present invention, according to the technical essence of the invention to the above embodiments
What simple modification, equivalent variations and remodeling, still falls within the protection scope of technical solution of the present invention.
Claims (10)
1. a kind of method of sheet billet continuous casting and rolling production high-performance aluminium alloy Strip, which is characterized in that it includes following step
It is rapid:
S1, according to the standard analysis ingredient of institute's cast aluminium alloy sheet billet, first by aluminium ingot all fusing after, sequentially add required centre
Aluminum water, is then transferred in heat preservation standing furnace and carries out stewing process by alloy, and the stable refining aluminium alloy of temperature is obtained after cooling
Melt；
S2, the water-cooled casting rolls for having nano-graphite coating to lubricate using surface carry out double-roll type thin plate to the refining aluminium alloy melt
Base continuous casting and rolling obtains the continuous casting and rolling sheet billet with a thickness of 15~100mm；
S3, the pinch roller in the exit of casting and rolling machine setting a pair with hot-leveling function, to obtained continuous casting and rolling sheet billet
Hot-leveling is carried out, the good sheet billet casting volume of plate shape, thickness is obtained；
S4, sheet billet casting volume is subjected to the processing of concurrent heating samming in continuous tunnel furnace or holding furnace,
After S5, sheet billet casting volume are kept the temperature in continuous tunnel furnace, uncoiling carries out hot finishing.
2. the method as described in claim 1, which is characterized in that in step sl, the aluminum alloy thin slab include 1100,
3003,5182,6022,7075 line aluminium alloy sheet billet.
3. the method as described in claim 1, which is characterized in that in step sl, the cleaning molten processing refers specifically to adopt
Degassing processing is carried out with SNIF rotary blowing；It is filtered using ceramic wafer except Slag treatment.
4. the method as described in claim 1, which is characterized in that in step sl, it is described heat preservation standing furnace temperature be 710~
750 DEG C, time of repose is 0.5~1.5h.
5. the method as described in claim 1, which is characterized in that in step s 2, the roller diameter of the water-cooled casting rolls is Φ
500~1200mm, roller set are 25 DEG C~35 DEG C with a thickness of 20~40mm, the temperature of roll Inlet water, the temperature of roll exit water
30~35 DEG C of setting, cooling water pressure are set as 0.2Mpa~0.4Mpa, and the pouring temperature of the refining aluminium alloy melt is 650
~730 DEG C, the speed of the casting is 0.3~35m/min.
6. the method as described in claim 1, which is characterized in that the pouring temperature of the refining aluminium alloy melt is 675~720
DEG C, the speed of the casting is 0.3~1.5m/min.
7. the method as described in claim 1, which is characterized in that in step s3, the temperature of institute's hot-leveling is 200~600 DEG C,
Smooth drafts range is 3%~20%.
8. the method as described in claim 1, which is characterized in that in step s3, the temperature of institute's hot-leveling is 300~500 DEG C,
Smooth drafts is up to 5%~10%.
9. the method as described in claim 1, which is characterized in that in step s 4, the holding temperature of the concurrent heating samming processing
300 DEG C~600 DEG C, temperature-controlled precision ± 3~5 DEG C, quantity volume 10~20 of storage volume, 30~35m of effective length.
10. the method as described in claim 1, which is characterized in that in step s 5, the uncoiling carries out the open rolling temperature of hot finishing
340~350 DEG C of degree, 180~200 DEG C of finishing temperature, hot rolling deformation amount 70%~90%, percentage pass reduction is up to 50%, obtains
Obtain finished product/semi-finished product hot rolled coil with a thickness of 2~10mm.
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| CN201910804548.4A CN110373560B (en) | 2019-06-28 | 2019-08-28 | Method for producing high-performance aluminum alloy plate strip by continuous casting and rolling of thin slab |
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| CN112355259A (en) * | 2020-11-09 | 2021-02-12 | 中铝材料应用研究院有限公司 | Preparation device and preparation method for liquid continuous solidification forming of aluminum alloy sheet |
| CN112522553A (en) * | 2020-12-01 | 2021-03-19 | 吉林大学 | High-performance Al-Mg-Si alloy and preparation method thereof |
| CN114107760A (en) * | 2020-08-26 | 2022-03-01 | 宝山钢铁股份有限公司 | Novel particle-reinforced 7XXX aluminum alloy thin strip and preparation method thereof |
| CN115449658A (en) * | 2022-08-16 | 2022-12-09 | 洛阳龙鼎铝业有限公司 | 8011L alloy cast-rolling blank crack-free production process |
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| JPH10204555A (en) * | 1997-01-17 | 1998-08-04 | Toyota Motor Corp | Production of grain refiner for casting aluminum alloy |
| CN100532011C (en) * | 2006-11-24 | 2009-08-26 | 辽宁科技大学 | Rolling controlling method and device for double-roller continuous casting magnesium alloy sheet |
| CN102146530B (en) * | 2011-03-15 | 2012-04-18 | 新星化工冶金材料(深圳)有限公司 | Magnesium and magnesium alloy grain refining agent and preparation method thereof |
| CN102266924A (en) * | 2011-07-09 | 2011-12-07 | 中国铝业股份有限公司 | Continuous cast-rolling process for producing 5005 aluminum plastic strip billet |
| CN102248139A (en) * | 2011-07-09 | 2011-11-23 | 中国铝业股份有限公司 | Continuous casting and rolling process for producing 3005 aluminum-plastic strip blank |
| CN102851550B (en) * | 2012-09-04 | 2014-06-18 | 江阴新仁科技有限公司 | Super capacitor battery positive electrode aluminum alloy foil and casting hot continuous rolling process thereof |
| CN103111590B (en) * | 2013-03-05 | 2015-04-08 | 山东信通铝业有限公司 | Casting-rolling method for aluminum alloy plate |
| CN105397045B (en) * | 2015-12-21 | 2017-11-10 | 东北大学 | The casting and rolling device and casting-rolling method of a kind of aluminum alloy slab |
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| CN114107760B (en) * | 2020-08-26 | 2023-01-20 | 宝山钢铁股份有限公司 | Particle-reinforced 7XXX aluminum alloy thin strip and preparation method thereof |
| CN112355259A (en) * | 2020-11-09 | 2021-02-12 | 中铝材料应用研究院有限公司 | Preparation device and preparation method for liquid continuous solidification forming of aluminum alloy sheet |
| CN112355259B (en) * | 2020-11-09 | 2022-04-19 | 中铝材料应用研究院有限公司 | Preparation device and preparation method for liquid continuous solidification forming of aluminum alloy sheet |
| CN112522553A (en) * | 2020-12-01 | 2021-03-19 | 吉林大学 | High-performance Al-Mg-Si alloy and preparation method thereof |
| CN115449658A (en) * | 2022-08-16 | 2022-12-09 | 洛阳龙鼎铝业有限公司 | 8011L alloy cast-rolling blank crack-free production process |
| CN115449658B (en) * | 2022-08-16 | 2023-10-24 | 洛阳龙鼎铝业有限公司 | Production process for 8011L alloy cast-rolled blank without edge cracking |
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| CN110373560B (en) | 2021-05-04 |
| CN110373560A (en) | 2019-10-25 |
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Application publication date: 20190830 |