CN108103333A - A kind of good double-zero aluminum foil blank of mechanical property - Google Patents
A kind of good double-zero aluminum foil blank of mechanical property Download PDFInfo
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- CN108103333A CN108103333A CN201711402057.4A CN201711402057A CN108103333A CN 108103333 A CN108103333 A CN 108103333A CN 201711402057 A CN201711402057 A CN 201711402057A CN 108103333 A CN108103333 A CN 108103333A
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- aluminum foil
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- 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
-
- 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
- B22D11/003—Aluminium 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
- B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/10—Supplying or treating molten metal
- B22D11/11—Treating the molten metal
- B22D11/116—Refining the metal
-
- 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
- B22D11/16—Controlling or regulating processes or operations
- B22D11/18—Controlling or regulating processes or operations for pouring
- B22D11/181—Controlling or regulating processes or operations for pouring responsive to molten metal level or slag level
- B22D11/185—Controlling or regulating processes or operations for pouring responsive to molten metal level or slag level by using optical means
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/54—Furnaces for treating strips or wire
- C21D9/56—Continuous furnaces for strip or wire
- C21D9/573—Continuous furnaces for strip or wire with cooling
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C3/00—Electrolytic production, recovery or refining of metals by electrolysis of melts
- C25C3/06—Electrolytic production, recovery or refining of metals by electrolysis of melts of aluminium
Abstract
A kind of good double-zero aluminum foil blank of mechanical property disclosed by the invention, pass through melting, degasification, casting, cold rolling, intermediate annealing, secondary cold-rolling, slitting trimming, paper tinsel rolls into product step and is made, raw material is used cooperatively using aluminium alloy cast ingot or aluminium alloy cast ingot with electrolytic aluminium liquid, it is aided with automatic siphon equipment and carries out electrolytic aluminium liquid turnover, help to improve Smelting Effect, reduce cost, in melting, degasification, strip casting process carries out variation three times and handles, significantly it is improved the grain refining effect of aluminum foil stock, improve mechanical property, liquid level monitoring device is set at chute simultaneously, improve the feeding uniformity of aluminum melt, ensure casting effect, and install negative pressure automatic temperature reducing device additional on annealing furnace, auxiliary annealing stove fast cooling, ensure annealing effect.
Description
Technical field
The present invention relates to aluminium foil production field, more particularly to a kind of good double-zero aluminum foil blank of mechanical property.
Background technology
Double-zero aluminum foil is due to very thin material thickness, and to the more demanding of the blank of rolling, double-zero aluminum foil blank exists
The process that double-zero aluminum foil is produced by casting, cold rolling process generally includes melting, degasification, casting, cold rolling, intermediate annealing, secondary
Cold rolling, slitting trimming, paper tinsel roll into the processes such as product, and the mechanical property of double-zero aluminum foil blank obtained is not only only that double-zero aluminum foil base
Element proportioning in material, make a variation grain refining effect and surface quality, also seriously affect double-zero aluminum foil processing quality and
Efficiency.
The content of the invention
The present invention is in view of the above-mentioned problems, disclose a kind of good double-zero aluminum foil blank of mechanical property.
Specific technical solution is as follows：
The good double-zero aluminum foil blank of a kind of mechanical property, by melting, degasification, casting, cold rolling, intermediate annealing, secondary cold
It rolls, slitting trimming, paper tinsel roll into product step and be made, which is characterized in that aluminium alloy cast ingot raw material is carried out in melting, degasification, casting
Metamorphism treatment three times, after the processing of variation three times, casting then passes through cold rolling, centre into double-zero aluminum foil aluminium alloy strips
Annealing obtains aluminum foil stock, and the aluminum foil stock after annealing obtains crystalline substance using secondary cold-rolling, and after slitting trimming, paper tinsel roll
Grain refinement is high, surface quality is good, excellent mechanical double-zero aluminum foil blank；
The Metamorphism treatment three times, specially：(1) before carrying out melting, an alterant need to be uniformly layed in melting
The bottom of stove then adds in aluminium alloy cast ingot raw material；Alterant is rare earth, and gross mass is former for aluminium alloy cast ingot
The 0.011~0.025% of material；(2) when carrying out degasification, pure N2 need to be used to carry out degasification, while degasification, need to synchronously added in secondary
Alterant；The secondary metamorphic agent is rare earth, and the gross mass of the rare earth is the 0.01~0.04% of aluminium alloy cast ingot raw material；
(2) when carrying out degasification, pure N2 need to be used to carry out degasification, while degasification, need to synchronously adds in secondary metamorphic agent；The secondary change
Matter agent is aluminium barium intermediate alloy, and the gross mass of the aluminium barium intermediate alloy is the 0.1~0.4 of aluminium alloy cast ingot raw material；(3) when except
When the aluminum melt that gas is completed carries out casting and rolling machine via chute, synchronous online into chute alterant three times need to be added in, described three
Secondary alterant is aluminium titanium boron wire, and the gross mass of the aluminium titanium boron wire is the 0.01~0.06% of aluminium alloy cast ingot raw material；
During casting, to improve the feeding uniformity of aluminum melt, ensure casting effect, improve the double-zero aluminum foil that casting obtains and use
The surface quality of aluminium alloy strips has added on chute to monitor and adjust the liquid level of aluminum melt liquid level in the chute of casting and rolling machine
Monitoring device, the liquid level monitoring device include PLC controller, displacement sensor, alarm and adjusting mechanism, the chute
Including liquid feeding end and outlet end, liquid feeding end bending L-shaped with outlet end simultaneously connects, the PLC controller and displacement sensing
Device, alarm and adjusting mechanism are electrical connected, and command displacement sensor, alarm and adjusting mechanism, institute's displacement sensors
For laser and CCD displacement sensor, the surface of outlet end is fixedly installed on by adjusting bracket, induction end is set downwards
It puts；The adjusting bracket includes 2 longitudinal carriers, 2 horizontal supports and telescopic cylinder, and the both ends of 2 longitudinal carriers are stood
In on outlet end, the both ends of the horizontal support are fixedly connected with the upper end of 2 longitudinal carriers, and the telescopic cylinder is arranged at horizontal stroke
It to the middle part lower end of stent, and is fixedly connected with horizontal support, the telescopic end of telescopic cylinder is set downwards, and is passed with displacement
Sensor is fixedly connected, the vertical height of telescopic cylinder command displacement sensor；The adjusting mechanism includes servomotor and adjusting
Plate, the servomotor are fixedly installed on the surface of liquid feeding end, and turning end is set downwards, and the adjustable plate is terraced in falling
The plane straight panel of shape, the first half of adjustable plate are equipped with the connecting pole in hollow cylindrical, and the lower end both sides of adjustable plate are in circular arc
Shape, the arc-shaped corresponding central angle for being in is α, and the α is 60 °~70 °, and adjustable plate passes through connecting pole and servomotor
Connection；
Meanwhile during underway annealing, when finally entering temperature descending section, negative pressure opens 100%, and temperature easily occurs anti-
Bullet causes that for a long time target cannot be cooled to, shortcoming one, is greatly improved the cooling stand-by period, shortcoming two, during annealing
Between be extended, the quality of aluminum foil stock can decline by a small margin, influence the progress of secondary cold-rolling, the situation of disconnected plate occurred；For this purpose,
Install negative pressure automatic temperature reducing device additional on annealing furnace, be very it is necessary to, the negative pressure automatic temperature reducing device includes valve
Component, blast pipe and aspiration channel, the valve member include valve body, valve rod and pneumatic actuator, and the valve body is equipped with 2 valves
Connecting hole, upper junction plate and lower cover, the valve rod pass through connecting hole, valve on valve rod under connecting hole, valve rod on body flange, valve rod
Connecting hole under bar, and with connecting hole clearance fit under connecting hole, valve rod on valve rod, the upper end of valve rod protrudes from valve body upper surface,
It is connected with pneumatic actuator, butterfly plate is fixed on valve rod, the butterfly plate is located in valve body, and the pneumatic actuator passes through upper company
Fishplate bar is connected with bolt with valve body, and connection hole is sealed by lower cover under the valve rod；The blast pipe and aspiration channel
One end be equipped with connecting flange, and connecting flange is connected respectively by bolt with 2 valve flanges, so realize blast pipe,
Aspiration channel is connected with valve member, and the outer end face of the valve flange is equipped with the seal groove of annular, and the seal groove is indulged
Section is C-shaped, interior to be equipped with sealing ring, and the connecting flange is equipped with seal convexity, and the seal convexity is in circular ring shape, quantity
To be multiple, the seal convexity of multiple circular ring shapes is distributed on the outer end face of connecting flange at equal intervals with one heart；The blast pipe is L
Shape bend pipe, the aspiration channel are straight tube, are equipped with flaring on aspiration channel successively, divide wind component, air filtration cartridge and wind turbine, the flaring
It is flared for arc, it is wide outside and narrow inside, it is described to divide what wind component was connected fan housing and split-wind plate is divided to form, it is described that fan housing is divided to include circular ring shape
Case and equipped in case 3 distribution grids form, the equiangularly spaced distribution of 3 distribution grids, the split-wind plate
It is inserted into air filtration cartridge, split-wind plate is uniformly distributed by 3 and connected spiral plate is formed, one end difference of 3 spiral plates
It is connected with one end of 3 distribution grids；
A kind of good double-zero aluminum foil blank of above-mentioned mechanical property, wherein, the aluminium titanium boron wire is Al-5Ti-1B alloys
Silk.
A kind of good double-zero aluminum foil blank of above-mentioned mechanical property, wherein, the alarm be audible-visual annunciator, adjustable plate
Shape and the longitudinal section of chute agree with, telescopic cylinder is electrical connected with PLC controller.
A kind of good double-zero aluminum foil blank of above-mentioned mechanical property, wherein, the valve rod with cross valve rod on connecting hole,
Filled with seal cartridge between connecting hole under valve rod, the outer end face of the sealing ring is flushed with the outer end face of valve flange, described
The longitudinal section of seal convexity is triangular in shape.
A kind of good double-zero aluminum foil blank of above-mentioned mechanical property, wherein, the aluminium alloy cast ingot raw material gross mass
70~80% the electrolytic aluminium liquid of homogenous quantities can be used to substitute, and so as to which melting cost be greatly lowered, and reduce process cycle.
A kind of good double-zero aluminum foil blank of above-mentioned mechanical property, wherein, the electrolytic aluminium liquid is set by automatic siphon
It is standby to be had enough to meet the need, to prevent in circular flow, there is the situation of the big degree oxidation of melt, the automatic siphon equipment includes
It is inserted into the siphon pipe in electrolytic cell and in smelting furnace, the lifting means and vaccum-pumping equipment that control siphon pipe height, the rainbow
Suction pipe is bent in 7 shapes, including short end and long end, in short end insertion electrolytic cell, during insertion, should be noted short end and cell bottom
Vertical range, avoid sucking cell bottom electrolyte and sediment, with duration end should be noted it is vertical with smelting furnace bottom away from
From between 20~30 centimeters, avoiding apart from the surge of excessively high, melt, apart from too low influence wicking rate；Siphon pipe is equipped with connection
Vacuum orifice in siphon pipe, the vacuum orifice are connected with vaccum-pumping equipment, and vaccum-pumping equipment persistently takes out siphon pipe
Vacuum ensures certain negative pressure state.
Beneficial effects of the present invention are：
A kind of good double-zero aluminum foil blank of mechanical property disclosed by the invention, passes through melting, degasification, casting, cold rolling, centre
Annealing, secondary cold-rolling, slitting trimming, paper tinsel roll into product step and are made, and raw material is using aluminium alloy cast ingot or aluminium alloy cast ingot and electrolysis
Molten aluminum is used cooperatively, and is aided with automatic siphon equipment and is carried out electrolytic aluminium liquid turnover, helps to improve Smelting Effect, reduce cost,
Melting, degasification, strip casting process carry out variation three times and handle, and are significantly improved the grain refining effect of aluminum foil stock, improve power
Performance is learned, while liquid level monitoring device is set at chute, improves the feeding uniformity of aluminum melt, ensures casting effect, and
Install negative pressure automatic temperature reducing device on annealing furnace additional, auxiliary annealing stove fast cooling ensures annealing effect.
Description of the drawings
Fig. 1 liquid level monitoring device side views.
Fig. 2 A-A are to sectional view.
Fig. 3 adjustable plate schematic diagrames.
Fig. 4 negative pressure automatic temperature reducing device schematic diagrames.
Fig. 5 A1 regional enlarged drawings.
Fig. 6 divides fan housing side view.
Fig. 7 automatic siphon equipment operation principle letter views.
Specific embodiment
For technical scheme is made to become apparent from clearly, below the present invention is described further, it is any to this
The technical characteristic of inventive technique scheme carries out the scheme that equivalencing is drawn with conventional reasoning and each falls within the scope of the present invention.
The good double-zero aluminum foil blank of a kind of mechanical property, by melting, degasification, casting, cold rolling, intermediate annealing, secondary cold
It rolls, slitting trimming, paper tinsel roll into product step and be made, which is characterized in that aluminium alloy cast ingot raw material is carried out in melting, degasification, casting
Metamorphism treatment three times, after the processing of variation three times, casting then passes through cold rolling, centre into double-zero aluminum foil aluminium alloy strips
Annealing obtains aluminum foil stock, and the aluminum foil stock after annealing obtains crystalline substance using secondary cold-rolling, and after slitting trimming, paper tinsel roll
Grain refinement is high, surface quality is good, excellent mechanical double-zero aluminum foil blank；
The Metamorphism treatment three times, specially：(1) before carrying out melting, an alterant need to be uniformly layed in melting
The bottom of stove then adds in aluminium alloy cast ingot raw material；Alterant is rare earth, and gross mass is former for aluminium alloy cast ingot
The 0.011~0.025% of material；(2) when carrying out degasification, pure N2 need to be used to carry out degasification, while degasification, need to synchronously added in secondary
Alterant；The secondary metamorphic agent is rare earth, and the gross mass of the rare earth is the 0.01~0.04% of aluminium alloy cast ingot raw material；
(2) when carrying out degasification, pure N2 need to be used to carry out degasification, while degasification, need to synchronously adds in secondary metamorphic agent；The secondary change
Matter agent is aluminium barium intermediate alloy, and the gross mass of the aluminium barium intermediate alloy is the 0.1~0.4 of aluminium alloy cast ingot raw material；(3) when except
When the aluminum melt that gas is completed carries out casting and rolling machine via chute, synchronous online into chute alterant three times need to be added in, described three
Secondary alterant is aluminium titanium boron wire, and the gross mass of the aluminium titanium boron wire is the 0.01~0.06% of aluminium alloy cast ingot raw material；
3 variations are handled, and rare earth is selected in variation for the first time and the second variation, and rare earth is a kind of long-acting alterant, is gone bad
Duration is long, goes bad suitable for the early period of aluminum melt, and without inspiratory phenomenon, the addition when carrying out degasification does not interfere with degasification
Aluminium titanium boron wire has then been selected in effect, a kind of last variation, particularly Al-5Ti-1B B alloy wires, as state-of-the-art crystal grain thinning
One of agent, effect is unquestionable, to ensure the grain refinement effect of Al-5Ti-1B B alloy wires, and is strengthened whole thin
Change crystal grain effect, the coarse Eutectic Silicon in Al-Si Cast Alloys tissue that the present invention can be effectively in refining aluminum alloy helps to improve machinability, reduction
Cold rolling difficulty improves process efficiency.
During casting, to improve the feeding uniformity of aluminum melt, ensure casting effect, improve the double-zero aluminum foil that casting obtains and use
The surface quality of aluminium alloy strips has added on chute to monitor and adjust the liquid level of aluminum melt liquid level in the chute of casting and rolling machine
Monitoring device, the liquid level monitoring device include PLC controller 52, displacement sensor 53, alarm 54 and adjusting mechanism 55,
The chute 51 includes liquid feeding end 56 and outlet end 57, and the liquid feeding end 56 and 57 L-shaped bending of outlet end simultaneously connect, described
PLC controller 52 is electrical connected with displacement sensor 53, alarm 54 and adjusting mechanism 55, and command displacement sensor 53, report
Alert device 54 and adjusting mechanism 55, institute's displacement sensors 53 are laser and CCD displacement sensor, are set by the fixation of adjusting bracket 58
The surface of outlet end 57 is placed in, induction end is set downwards；The adjusting bracket 58 includes 2 longitudinal carriers 59,2
Horizontal support 510 and telescopic cylinder 511, the both ends of 2 longitudinal carriers 59 are stood on outlet end 57, the horizontal support
510 both ends are fixedly connected with the upper end of 2 longitudinal carriers 59, and the telescopic cylinder 511 is arranged at the middle part of horizontal support 510
Lower end, and being fixedly connected with horizontal support 510, the telescopic end of telescopic cylinder 511 is set downwards, and with displacement sensor 3
It is fixedly connected, the vertical height of 511 command displacement sensor 53 of telescopic cylinder；The adjusting mechanism 55 includes servomotor 512
With adjustable plate 513, the servomotor 512 is fixedly installed on the surface of liquid feeding end 56, and turning end is set downwards, institute
The plane straight panel that adjustable plate 513 is in inverted trapezoidal is stated, the first half of adjustable plate 513 is equipped with the connecting pole 514 in hollow cylindrical,
The lower end both sides of adjustable plate 513 are arc-shaped, and the arc-shaped corresponding central angle for being in is α 1, the α 1 for 60 °~
70 °, adjustable plate 513 is connected by connecting pole 514 with servomotor 512；
Meanwhile during underway annealing, when finally entering temperature descending section, negative pressure opens 100%, and temperature easily occurs anti-
Bullet causes that for a long time target cannot be cooled to, shortcoming one, is greatly improved the cooling stand-by period, shortcoming two, during annealing
Between be extended, the quality of aluminum foil stock can decline by a small margin, influence the progress of secondary cold-rolling, the situation of disconnected plate occurred；For this purpose,
Install negative pressure automatic temperature reducing device additional on annealing furnace, be very it is necessary to, the negative pressure automatic temperature reducing device includes valve
Component 61, blast pipe 62 and aspiration channel 63, the valve member 61 include valve body 611, valve rod 612 and pneumatic actuator 613, institute
Valve body 611 is stated equipped with connecting hole 6113, upper junction plate 6114 under connecting hole 6112, valve rod on 2 valve flanges 6111, valve rod
With lower cover 6115, the valve rod 612 is connected through connecting hole 6113 under connecting hole 6112, valve rod on valve rod on valve rod
6113 clearance fit of connecting hole under hole 6112, valve rod, the upper end of valve rod 612 protrudes from 611 upper surface of valve body, with pneumatic actuator
613 connect, and are fixed with butterfly plate 6121 on valve rod 612, the butterfly plate 6121 is located in valve body 611, the pneumatic actuator 613
By upper junction plate 6114, it is connected with bolt with valve body 611, is carried out under the valve rod at connecting hole 6113 by lower cover 6115
Sealing；One end of the blast pipe 62 and aspiration channel 63 is equipped with connecting flange 64, and connecting flange 64 passes through bolt and 2 respectively
A valve flange 6111 is connected, and then realizes that blast pipe 62, aspiration channel 63 are connected with valve member 61, the valve flange
6111 outer end face is equipped with the seal groove 651 of annular, and the longitudinal section of the seal groove 651 is C-shaped, interior to be equipped with sealing ring
652, the connecting flange 64 is equipped with seal convexity 641, and the seal convexity 641 is in circular ring shape, and quantity is multiple, Duo Geyuan
The seal convexity 641 of annular is distributed on the outer end face of connecting flange 64 at equal intervals with one heart；The blast pipe 62 is curved for L-shaped
Pipe, the aspiration channel 63 are straight tube, are equipped with flaring 631 on aspiration channel 63 successively, divide wind component 632, air filtration cartridge 633 and wind turbine
634, it is described flaring 631 for arc be flared, it is wide outside and narrow inside, it is described divide wind component 632 be connected divide fan housing 6321 and split-wind plate
6322 are formed, described to divide the case 6323 of fan housing 6321 including circular ring shape and equipped in 3 distribution grids in case 6323
6324 are formed, and 3 distribution grids, the 6324 equiangularly spaced distribution, the split-wind plate 6322 is inserted into air filtration cartridge 633, divides wind
Plate 6322 is uniformly distributed by 3 and connected spiral plate is formed, one end of 3 spiral plates respectively with 3 distribution grids 6324
One end be connected；
A kind of good double-zero aluminum foil blank of above-mentioned mechanical property, wherein, the aluminium titanium boron wire is Al-5Ti-1B alloys
Silk.
A kind of good double-zero aluminum foil blank of above-mentioned mechanical property, wherein, the alarm 54 is audible-visual annunciator, is adjusted
The shape of plate 513 and the longitudinal section of chute 51 are agreed with, and telescopic cylinder 511 is electrical connected with PLC controller 52.
A kind of good double-zero aluminum foil blank of above-mentioned mechanical property, wherein, the valve rod 612 is with crossing connecting hole on valve rod
6112nd, seal cartridge 66, outer end face and the valve flange 6111 of the sealing ring 652 are filled under valve rod between connecting hole 6113
Outer end face flush, the longitudinal section of the seal convexity 641 is triangular in shape.
A kind of good double-zero aluminum foil blank of above-mentioned mechanical property, wherein, the aluminium alloy cast ingot raw material gross mass
70~80% the electrolytic aluminium liquid of homogenous quantities can be used to substitute, and so as to which melting cost be greatly lowered, and reduce process cycle.
Wherein, the electrolytic aluminium liquid is had enough to meet the need by automatic siphon equipment, to prevent in circular flow, is melted
The situation of the big degree oxidation of body, the automatic siphon equipment include the siphon pipe in insertion electrolytic cell 720 and in smelting furnace 721
722nd, the lifting means 723 of 722 height of siphon pipe and vaccum-pumping equipment 724 are controlled, the siphon pipe 722 is bent in 7 shapes, bag
Include short end 7221 and long end 7222, the short end 7221 is inserted into electrolytic cell 720, during insertion, should be noted short end 7221 and electrolysis
The vertical range at 720 bottom of slot avoids the electrolyte and sediment at 720 bottom of sucking electrolytic cell, should be noted and melt with duration end 7222
The vertical range at 721 bottom of furnace between 20~30 centimeters, is avoided apart from excessively high, melt surge, apart from too low influence siphon speed
Rate；Siphon pipe 722 is equipped with the vacuum orifice 7223 in connection siphon pipe 722, the vacuum orifice 7223 and vaccum-pumping equipment 724
It is connected, vaccum-pumping equipment 724 persistently vacuumizes siphon pipe 722, ensures certain negative pressure state.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, the change or replacement that can be readily occurred in,
Should all it cover within the scope of the present invention.Therefore, protection scope of the present invention should be with the protection domain of claims
Subject to.
Claims (7)
1. a kind of good double-zero aluminum foil blank of mechanical property, by melting, degasification, casting, cold rolling, intermediate annealing, secondary cold-rolling,
Slitting trimming, paper tinsel roll into product step and are made, which is characterized in that aluminium alloy cast ingot raw material is carried out in melting, degasification, casting
Metamorphism treatment three times, after the processing of variation three times, casting then passes through cold rolling, centre is moved back into double-zero aluminum foil aluminium alloy strips
Fire obtains aluminum foil stock, and the aluminum foil stock after annealing obtains crystal grain using secondary cold-rolling, and after slitting trimming, paper tinsel roll
Refinement is high, surface quality is good, excellent mechanical double-zero aluminum foil blank；
The Metamorphism treatment three times, specially：(1) before carrying out melting, an alterant need to be uniformly layed in smelting furnace
Bottom then adds in aluminium alloy cast ingot raw material；Alterant is rare earth, and gross mass is aluminium alloy cast ingot raw material
0.011~0.025%；(2) when carrying out degasification, pure N2 need to be used to carry out degasification, while degasification, need to synchronously adds in secondary metamorphic
Agent；The secondary metamorphic agent is rare earth, and the gross mass of the rare earth is the 0.01~0.04% of aluminium alloy cast ingot raw material；(3)
When the aluminum melt that degasification is completed carries out casting and rolling machine via chute, alterant three times need to be synchronously added in online into chute, it is described
Alterant three times for aluminium titanium boron wire, the gross mass of the aluminium titanium boron wire is the 0.01~0.06% of aluminium alloy cast ingot raw material；
During casting, to improve the feeding uniformity of aluminum melt, ensure casting effect, improve the double-zero aluminum foil that casting obtains and closed with aluminium
The surface quality of gold ribbon material has added on chute to monitor and adjust the liquid level monitoring of aluminum melt liquid level in the chute of casting and rolling machine
Device, the liquid level monitoring device include PLC controller, displacement sensor, alarm and adjusting mechanism, and the chute includes
Liquid feeding end and outlet end, liquid feeding end bending L-shaped with outlet end simultaneously connect, the PLC controller and displacement sensor, report
Alert device and adjusting mechanism are electrical connected, and command displacement sensor, alarm and adjusting mechanism, and institute's displacement sensors are laser
CCD displacement sensors, the surface of outlet end is fixedly installed on by adjusting bracket, and induction end is set downwards；Institute
Stating adjusting bracket includes 2 longitudinal carriers, 2 horizontal supports and telescopic cylinder, and liquid is stood on out at the both ends of 2 longitudinal carriers
On end, the both ends of the horizontal support are fixedly connected with the upper end of 2 longitudinal carriers, and the telescopic cylinder is arranged at horizontal support
Middle part lower end, and be fixedly connected with horizontal support, the telescopic end of telescopic cylinder is set downwards, and is consolidated with displacement sensor
Fixed connection, the vertical height of telescopic cylinder command displacement sensor；The adjusting mechanism includes servomotor and adjustable plate, described
Servomotor is fixedly installed on the surface of liquid feeding end, and turning end is set downwards, and the adjustable plate is in the flat of inverted trapezoidal
Face straight panel, the first half of adjustable plate are equipped with the connecting pole in hollow cylindrical, and the lower end both sides of adjustable plate are arc-shaped, institute
The arc-shaped corresponding central angle for being in is α, and the α is 60 °~70 °, and adjustable plate is connected by connecting pole with servomotor；
Install negative pressure automatic temperature reducing device additional on annealing furnace, the negative pressure automatic temperature reducing device includes valve member, blast pipe
And aspiration channel, the valve member include valve body, valve rod and pneumatic actuator, the valve body is equipped with 2 valve flanges, valve rods
Connecting hole, upper junction plate and lower cover under upper connecting hole, valve rod, the valve rod through connecting hole under connecting hole, valve rod on valve rod,
And with connecting hole clearance fit under connecting hole, valve rod on valve rod, the upper end of valve rod protrudes from valve body upper surface, with pneumatic actuator
It connects, is fixed with butterfly plate on valve rod, the butterfly plate is located in valve body, and the pneumatic actuator uses bolt by upper junction plate
It is connected with valve body, connection hole is sealed by lower cover under the valve rod；One end of the blast pipe and aspiration channel is all provided with
There is connecting flange, and connecting flange is connected respectively by bolt with 2 valve flanges, and then realize blast pipe, aspiration channel and valve
Door component is connected, and the outer end face of the valve flange is equipped with the seal groove of annular, and the longitudinal section of the seal groove is C-shaped,
Be equipped with sealing ring in it, the connecting flange is equipped with seal convexity, and the seal convexity is in circular ring shape, quantity be it is multiple, it is more
The seal convexity of a circular ring shape is distributed on the outer end face of connecting flange at equal intervals with one heart；The blast pipe be L-shaped bend pipe, institute
Aspiration channel is stated as straight tube, flaring is equipped on aspiration channel successively, divides wind component, air filtration cartridge and wind turbine, the flaring is expanded for arc
Mouthful, it is wide outside and narrow inside, it is described to divide what wind component was connected fan housing and split-wind plate is divided to form, it is described divide the case that fan housing includes circular ring shape with
And equipped with being formed in 3 distribution grids in case, the equiangularly spaced distribution of 3 distribution grids, the split-wind plate is inserted into air
In filter cylinder, split-wind plate is uniformly distributed by 3 and connected spiral plate is formed, one end of 3 spiral plates respectively with 3 points
One end of fabric swatch is connected.
2. the good double-zero aluminum foil blank of a kind of mechanical property as described in claim 1, which is characterized in that the aluminium titanium boron wire is
Al-5Ti-1B B alloy wires.
3. the good double-zero aluminum foil blank of a kind of mechanical property as described in claim 1, which is characterized in that the alarm is sound
Light crossing-signal, the shape of adjustable plate and the longitudinal section of chute are agreed with, and telescopic cylinder is electrical connected with PLC controller.
4. a kind of good double-zero aluminum foil blank of mechanical property as described in claim 1, which is characterized in that the valve rod with
Cross connecting hole on valve rod, under valve rod between connecting hole filled with seal cartridge, the outer end face of the sealing ring and valve flange
Outer end face flushes, and the longitudinal section of the seal convexity is triangular in shape.
A kind of 5. good double-zero aluminum foil blank of mechanical property as described in claim 1, which is characterized in that the aluminium alloy casting
The electrolytic aluminium liquid of homogenous quantities can be used to substitute for the 70~80% of ingot raw material gross mass, and so as to which melting cost be greatly lowered, and drop
Low process cycle.
A kind of 6. good double-zero aluminum foil blank of mechanical property as claimed in claim 5, which is characterized in that the electrolytic aluminium liquid
It is had enough to meet the need by automatic siphon equipment, to prevent in circular flow, the situation of the big degree oxidation of melt occurs.
A kind of 7. good double-zero aluminum foil blank of mechanical property as claimed in claim 6, which is characterized in that the automatic siphon
Equipment includes in insertion electrolytic cell and the siphon pipe in smelting furnace, the lifting means and vacuumizing of siphon pipe height is controlled to set
Standby, the siphon pipe is bent in 7 shapes, including short end and long end, in short end insertion electrolytic cell, during insertion, should be noted short end
With the vertical range of cell bottom, the electrolyte and sediment of sucking cell bottom are avoided, should be noted with duration end and smelting furnace
The vertical range at bottom between 20~30 centimeters, is avoided apart from excessively high, melt surge, apart from too low influence wicking rate；Siphon
Pipe is equipped with the vacuum orifice in connection siphon pipe, and the vacuum orifice is connected with vaccum-pumping equipment, and vaccum-pumping equipment is persistently to rainbow
Suction pipe is vacuumized, and ensures certain negative pressure state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711402057.4A CN108103333A (en) | 2017-12-22 | 2017-12-22 | A kind of good double-zero aluminum foil blank of mechanical property |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711402057.4A CN108103333A (en) | 2017-12-22 | 2017-12-22 | A kind of good double-zero aluminum foil blank of mechanical property |
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| CN108103333A true CN108103333A (en) | 2018-06-01 |
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| CN201711402057.4A Pending CN108103333A (en) | 2017-12-22 | 2017-12-22 | A kind of good double-zero aluminum foil blank of mechanical property |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111962102A (en) * | 2020-08-21 | 2020-11-20 | 江西省钨与稀土产品质量监督检验中心（江西省钨与稀土研究院） | Preparation method of low-oxygen high-purity rare earth alloy |
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| CN101798646A (en) * | 2010-04-22 | 2010-08-11 | 镇江鼎胜铝业股份有限公司 | Aluminum alloy material and manufacturing method for dual-zero aluminium foils |
| CN103088237A (en) * | 2011-10-30 | 2013-05-08 | 湖南晟通科技集团有限公司 | Aluminum alloy and method for preparing double-zero foil by using the same |
| CN105803274A (en) * | 2016-03-15 | 2016-07-27 | 江苏亿禾新材料有限公司 | Solar photovoltaic aluminum alloy and preparation method thereof |
| CN107326228A (en) * | 2017-06-23 | 2017-11-07 | 兰州理工大学 | A kind of composite inoculating transcocrystallized Al-Si alloy and preparation method thereof |
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| CN101798646A (en) * | 2010-04-22 | 2010-08-11 | 镇江鼎胜铝业股份有限公司 | Aluminum alloy material and manufacturing method for dual-zero aluminium foils |
| CN103088237A (en) * | 2011-10-30 | 2013-05-08 | 湖南晟通科技集团有限公司 | Aluminum alloy and method for preparing double-zero foil by using the same |
| CN105803274A (en) * | 2016-03-15 | 2016-07-27 | 江苏亿禾新材料有限公司 | Solar photovoltaic aluminum alloy and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111962102A (en) * | 2020-08-21 | 2020-11-20 | 江西省钨与稀土产品质量监督检验中心（江西省钨与稀土研究院） | Preparation method of low-oxygen high-purity rare earth alloy |
| CN111962102B (en) * | 2020-08-21 | 2021-06-25 | 江西省钨与稀土产品质量监督检验中心（江西省钨与稀土研究院） | Preparation method of low-oxygen high-purity rare earth alloy |
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Application publication date: 20180601 |