CN206298629U - For the aluminum holding furnace group of supporting aluminium continuous casting and rolling production line - Google Patents
For the aluminum holding furnace group of supporting aluminium continuous casting and rolling production line Download PDFInfo
- Publication number
- CN206298629U CN206298629U CN201621260144.1U CN201621260144U CN206298629U CN 206298629 U CN206298629 U CN 206298629U CN 201621260144 U CN201621260144 U CN 201621260144U CN 206298629 U CN206298629 U CN 206298629U
- Authority
- CN
- China
- Prior art keywords
- holding furnace
- aluminum holding
- heater
- aluminium
- aluminum
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 300
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 300
- 239000004411 aluminium Substances 0.000 title claims abstract description 145
- 238000009749 continuous casting Methods 0.000 title claims abstract description 46
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 39
- 238000005096 rolling process Methods 0.000 title claims abstract description 36
- 239000007788 liquid Substances 0.000 claims abstract description 107
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 238000007670 refining Methods 0.000 claims abstract description 12
- 238000002347 injection Methods 0.000 claims abstract description 10
- 239000007924 injection Substances 0.000 claims abstract description 10
- 238000007872 degassing Methods 0.000 claims abstract description 9
- 238000002485 combustion reaction Methods 0.000 claims abstract description 8
- 238000009413 insulation Methods 0.000 claims abstract description 4
- 230000009471 action Effects 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 description 23
- 239000002184 metal Substances 0.000 description 23
- 238000000034 method Methods 0.000 description 13
- 230000008569 process Effects 0.000 description 10
- 238000005266 casting Methods 0.000 description 9
- 238000013461 design Methods 0.000 description 9
- 238000007600 charging Methods 0.000 description 7
- 239000007787 solid Substances 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 238000003723 Smelting Methods 0.000 description 4
- 239000011888 foil Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 241001125879 Gobio Species 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- -1 aluminium titanium boron Chemical compound 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000005098 hot rolling Methods 0.000 description 2
- 238000011068 loading method Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Landscapes
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The utility model is related to a kind of aluminum holding furnace group for supporting aluminium continuous casting and rolling production line, wherein, the aluminum holding furnace group includes multiple aluminum holding furnaces, each aluminum holding furnace is connected with the chute with insulation cover respectively, wherein, it is that every aluminum holding furnace is equipped with electrolytic aluminium liquid injection device, aluminium water agitating device, furnace refining device, burner and combustion control system, body of heater tiling arrangement, Controlled exit Aluminium system, online degasification and filter, wherein, there is the aluminum holding furnace body of heater to fascinate hydraulic cylinder, the body of heater hydraulic cylinder that fascinates is designed to be suitable under the control of the Controlled exit Aluminium system rotation and fascinates the aluminum holding furnace, so as to the molten aluminum liquid in the aluminum holding furnace is transported into conticaster by chute.
Description
Technical field
The utility model is related to nonferrous metal smelting furnace technical field, and supporting aluminium continuous casting and rolling is used for more particularly, to one kind
The aluminum holding furnace group of production line, more particularly to a kind of aluminium continuous casting and rolling for based on the supporting continuous casting process by Ha Ziliete
The aluminum holding furnace group of production line.
Background technology
Modern aluminium sheet strip and foil production has slab hot-rolling, casting, three kinds of continuous casting and rolling to supply base production technology.Wherein with Ha Zilie
Aluminium continuous casting and rolling based on special (Hazelett) continuous casting process is produced to have nearly ten years and developed rapidly, and is producing most of people
During with strip foil, the aluminium continuous casting and rolling production based on Ha Ziliete continuous casting process has other incomparable for base technique
Advantage：1. compared with slab hot-rolling, the operations such as ingot casting sawing, milling face, heating or soaking are eliminated, therefore reduce investment outlay；②
Compared with casting, yield is big, product scope is wide, quality is good.3. energy consumption is low, low production cost, and the market competitiveness of product is strong.
The typical aluminium continuous casting and rolling process for production process based on Ha Ziliete continuous casting process is as follows：
1. the design of aluminum holding furnace is adapted to use the electrolytic aluminium liquid from potroom, and aluminium water is shifted using aluminium water bag, enters
The electrolytic aluminium liquid for entering aluminum holding furnace is usually 860 DEG C -900 DEG C；
2. sampling detects the chemical composition of motlten metal；
3. addition returns to waste material and intermediate alloy ingot, to reach 730 DEG C of metal temperature；
If 4. substantial amounts of return waste material is melted, the aluminum holding furnace for receiving aluminium liquid changes into the " fusing of dual-use function
Stove ", heating melting is carried out using the burner of accurate temperature controlling, and is skimmed and electromagnetic agitation, the temperature for making molten bath reach 730 DEG C
Degree level；
5. molten aluminum liquid is processed using furnace refining device in molten bath；
6. certain in molten bath remains stationary time；
7. aluminium liquid samples chemical analysis；
8. holding furnace fascinates, and aluminium liquid pours into chute and transports motlten metal by degasification and filter plant
To Ha Ziliete casting machines, and crystal grain refinement is carried out again in chute addition aluminium titanium boron.
Aluminium sheet strip and foil continuous casting and rolling production based on Ha Ziliete continuous casting process has to the yield and quality of aluminium liquid
Very high request.Typical Ha Ziliete casting machines are as follows to the quality requirements of aluminium liquid：
Aluminium water metal quality：Hydrogen content desired value is less than or equal to 0.1 milliliter/100 grams aluminium, and granularity is less than or equal to 3 μ,
Aluminium water-carrying capacity：≤ 70 ton hour aluminium liquids,
Aluminium coolant-temperature gage precision：Control in aluminium liquid target temperature ± 3 DEG C,
The level control of aluminium liquid casting chute is at ± 1.5 millimeters of target liquid level.
As described above, the aluminium continuous casting and rolling production line requirement based on Ha Ziliete continuous casting process has supporting aluminium to mix
Stove, is only limitted to use single aluminum holding furnace, without using the holding furnace group being made up of multiple aluminum holding furnaces.Reason is, single
Individual aluminum holding furnace is easier to control the yield and quality of aluminium liquid.However, Ha Ziliete casting machines requirement aluminium liquid with the quality that specifies and
Flow is uninterruptedly supplied.And single aluminum holding furnace has certain dump cycle and preparatory period, it is impossible to independent to meet to breathe out hereby
The requirement of the uninterrupted supply aluminium liquid of the aluminium continuous casting and rolling production line based on the special continuous casting process of row.
Further, since aluminum holding furnace will receive substantial amounts of electrolytic aluminium liquid from side well, thus Position of Hydraulic Cylinder of fascinating arrangement
It is critically important to operation operation.Fascinated aluminum holding furnace using double hydraulic cylinder under conventional art, two fluid cylinders are arranged in fire door
Both sides, near aluminum holding furnace headwall.But, this arrangement not only have impact on and free in and out loading side well area, hold hydraulic cylinder
It is vulnerable to the collision of aluminium water package truck, and makes hydraulic cylinder exposed to the region of motlten metal splashing.
Utility model content
Therefore, technical problem to be solved in the utility model is to provide a kind of for supporting aluminium continuous casting and rolling production
Aluminium mixed smelting stove group, in particular for the aluminium mixing of the aluminium continuous casting and rolling production based on the supporting continuous casting process by Ha Ziliete
Smelting furnace group.
Technical problem to be solved in the utility model is mixed by a kind of aluminium for supporting aluminium continuous casting and rolling production line
Stove group solve, wherein, aluminum holding furnace group includes multiple aluminum holding furnaces, each aluminum holding furnace respectively with band insulation cover
Chute connection, wherein, be that every aluminum holding furnace is equipped with electrolytic aluminium liquid injection device, aluminium water agitating device, stove essence
Refining device, burner and combustion control system, body of heater tiling arrangement, Controlled exit Aluminium system, online degasification and filter, its
In, there is the aluminum holding furnace body of heater to fascinate hydraulic cylinder, the body of heater fascinate hydraulic cylinder be designed to be suitable it is described go out aluminium control
Rotation is fascinated the aluminum holding furnace under the control of system processed, so as to the molten aluminum liquid in the aluminum holding furnace be conveyed by chute
To conticaster.
Due to there is provided the aluminum holding furnace group including multiple aluminum holding furnaces, it is thus possible to overcome toppling over for single aluminum holding furnace
The supply that cycle and preparatory period cause is discontinuous, and aluminium liquid is uninterruptedly supplied with the quality and flow that specify, so as to meet to breathe out
The requirement of the aluminium continuous casting and rolling production line based on Zi Liete continuous casting process.In this aluminum holding furnace including multiple aluminum holding furnaces
In group's design, the quantity and tonnage of aluminum holding furnace are by reasonable disposition, so that the direct motion of production had both been ensure that, between also leaving reasonably
Have a rest and surplus.
Preferably, the Controlled exit Aluminium system includes：Body of heater fascinates position sensor, and the body of heater fascinates position sensing
Device is used to detect that the body of heater of the aluminum holding furnace fascinates position；And body of heater fascinates interlock control apparatus, the body of heater fascinates connection
Lock control device according to body of heater fascinate position sensor detected value adjust corresponding aluminum holding furnace body of heater turning angle.
This, the regulation of body of heater turning angle is realized by adjusting the fascinate extension elongation of hydraulic cylinder of the body of heater
Preferably, the body of heater position sensor that fascinates is to be arranged in the body of heater that the body of heater fascinates on hydraulic cylinder to fascinate
Hydraulic cylinder position sensor, the extension elongation for detecting hydraulic cylinder.The real-time turning angle of body of heater can be according to the hydraulic pressure for measuring
The extension elongation of cylinder is calculated.Here, metal aluminium liquid flow of coming out of the stove is the function of body of heater turning angle.Therefore, according to stove
Body fascinates the monitoring and control of Position of Hydraulic Cylinder, also realizes the monitoring and control to metal aluminium liquid flow of coming out of the stove.
Preferably, the Controlled exit Aluminium system also includes chute flashboard, and the chute flashboard is arranged in every section of stream
On groove, for preventing aluminium liquid to flow when closed, wherein, the body of heater interlock control apparatus that fascinate are designed to be suitable described
Chute flashboard just allows corresponding aluminum holding furnace to start action of fascinating when opening, and when the body of heater of corresponding aluminum holding furnace resets
Corresponding chute flashboard is then closed immediately.The combinative movement of chute flashboard ensure that the correct flow direction and safety of aluminium water.
Preferably, the Controlled exit Aluminium system also includes liquid level guard electrode, and the liquid level guard electrode is arranged in often
On Duan Suoshu chutes, the situation of the high level limit is reached for detection stream tank liquor position, wherein, in liquid level guard electrode detection
When reaching the high level limit to chute liquid level, the body of heater interlock control apparatus that fascinate stop body of heater and fascinate action.
Preferably, the Controlled exit Aluminium system also includes laser liquid-level instrument, and the laser liquid-level instrument is used for measurement in real time
Aluminium liquid liquid level in the hole launder of the aluminum holding furnace, wherein, the body of heater interlock control apparatus that fascinate are designed to be suitable
Aluminium liquid Liquid level body of heater in hole launder according to the aluminum holding furnace for measuring in real time fascinates action, to maintain this to go out
Liquid level in mouth chute is in certain limit.Specifically, laser liquid-level instrument is used for the non-contact detecting of convective tank aluminium liquid liquid level.It is logical
The aperture of the hydraulic system proportioning valve of the PID model control hydraulic cylinder of dynamic parameter is crossed, so that the discharging volume of metal aluminium liquid is adjusted,
And then maintaining the liquid level of chute within the specific limits, it is ensured that aluminium liquid flow is constant when downstream casting machine casts.Generally, chute liquid level
Control accuracy is in +/- 1.0mm.
Because holding furnace will receive substantial amounts of electrolytic aluminium liquid from side well, the arrangement of Position of Hydraulic Cylinder of fascinating is run very to operation
It is important.Preferably, the hydraulic cylinder that fascinates of the body of heater tiling arrangement is arranged in the bottom of the aluminum holding furnace.Due to the liquid that fascinates
Cylinder pressure is arranged in the bottom of the aluminum holding furnace, thus side well area is accessible and spaciousness, is received which advantageously prevents hydraulic cylinder
To the influence that collision or aluminium liquid are splashed.
Traditional holding furnace that fascinates is fascinated using double hydraulic cylinder, and two cylinders are arranged in the both sides of fire door, is mixed near aluminium
Close stove headwall.But, this arrangement have impact on and free in and out loading side well area, hydraulic cylinder is splashed exposed to motlten metal
Region, also easily collided by aluminium water package truck.The utility model proposes this hydraulic cylinder that will fascinate be arranged in
The design of aluminum holding furnace bottom overcomes this technical difficulty.
It should be strongly noted that this design that the hydraulic cylinder that fascinates is arranged in into aluminum holding furnace bottom can't be to hydraulic pressure
The maintenance of cylinder brings difficulty, because hydraulic cylinder can be removed when needing repairing and changing after being pivoted around itself bottom.Cause
This, although it is arranged in aluminum holding furnace bottom and needs to increase and understands for accommodating the foundation of civil work melt pit depth of groove of the hydraulic cylinder that fascinates
Increase corresponding construction volume, but the technical scheme of fire door both sides is arranged in compared to hydraulic cylinder, this design is undoubtedly because above-mentioned
Advantage but favourable technical scheme.
Preferably, the aluminum holding furnace has by the heavy box-shaped beam group across body of heater width in fire door bottom
Into support beam of fascinating, the hydraulic cylinder that fascinates of the body of heater tiling arrangement is supported on this and fascinates in support beam.Be directly arranged at
Design on fire door both sides is compared, and the advantage of this arrangement is that primary load is transmitted by crossbeam first, rather than by furnace shell
Undertake, so as to the latent stress collection for avoiding furnace shell neutralizes deformation.Secondly, the temperature of crossbeam is relatively low, thus hydraulic cylinder connection
The swell increment of point is also smaller.
Preferably, the aluminum holding furnace quantity of the aluminum holding furnace group is two to six.
Preferably, some aluminum holding furnaces share an aluminium water agitating device in the aluminum holding furnace group.
Brief description of the drawings
Fig. 1 is shown according to the aluminum holding furnace group for supporting aluminium continuous casting and rolling production line of the present utility model；
Fig. 2 shows the hydraulic cylinder arrangement of fascinating of the body of heater tiling arrangement of the aluminum holding furnace in the group of aluminum holding furnace shown in Fig. 1,
Wherein, hydraulic cylinder is in the reset condition not extended out, and aluminum holding furnace is then still in horizontal level；Meanwhile, Fig. 2 is also on top with void
Line shows that hydraulic cylinder stretches out and makes the state that aluminum holding furnace verts；
Fig. 3 shows the local and connected chute of the body of heater of aluminum holding furnace group, illustrated therein is a series of Controlled exit Aluminium devices；
Fig. 4 shows above-mentioned aluminum holding furnace group in the solid metal 90 of liquid:Stove group's working timing figure in the case of 10 chargings；
Fig. 5 shows above-mentioned aluminum holding furnace group in the solid metal 85 of liquid:Stove group's working timing figure in the case of 15 chargings.
Specific embodiment
Fig. 1 shows a reality according to the aluminum holding furnace group for supporting aluminium continuous casting and rolling production line of the present utility model
Apply example.Aluminum holding furnace group includes four aluminum holding furnaces 2, and each aluminum holding furnace 2 is connected with the chute 6 with insulation cover respectively.
It is that every aluminum holding furnace 2 is equipped with electrolytic aluminium liquid injection device 3, aluminium water agitating device 9, furnace refining device 4, burner
5 and combustion control system, body of heater tiling arrangement, Controlled exit Aluminium system, online degasification and filter.
The particularly relevant technical parameter of the aluminum holding furnace 2 for using in one embodiment is listed below：
Table 1：The particularly relevant technical parameter of aluminum holding furnace
| Molten bath capacity | 120 tons |
| Type | Hydraulic pressure tilting-type |
| Solid melts rate | 20 ton hours |
| Size of burner hearth | 10200x6000 millimeters |
| Furnace height | 2500 millimeters |
| Pool depth during maximum capacity | Average 1000 millimeters |
| Fire door opening | 10.2 meters x1.45 meters |
| Burner type | High combustion rate burner, regulation compares 1：10 |
| Burner quantity | 3 |
| Fuel type | Natural gas, calorific value >=8400 kilocalorie/cubic metre |
| Acceptable molten metal temperature | 850--900℃ |
| Aluminium liquid tapping temperature | 730~760 DEG C |
| Stove maximum temperature | 1200℃ |
| Gas flow | 2750 newton cube m/h |
| Flow of molten metal | 57 ton hours (4 holding furnaces) |
In the present embodiment, every design capacity of aluminum holding furnace 2 is 120 tons, supporting aluminium continuous casting and rolling production line
Production requirement is uninterrupted 57 ton hours, and the dump cycle of aluminum holding furnace is about 2 hours, and by " prepurging, charging, work
Make, aluminum holding furnace gets out cast of fascinating " about 7.16 hours preparatory periods of composition.Aluminum holding furnace group can be calculated accordingly
In the number of aluminum holding furnace can rightly meet above-mentioned production requirement when being four.
Example 1
Fig. 4 shows the solid metal 90 of liquid:Stove group's working timing figure of 10 chargings, as shown in FIG., No. 1 aluminum holding furnace is complete
Enter the standard being made up of " prepurging, charging, work, aluminum holding furnace get out cast of fascinating " after into about 2 dump cycles of hour
In the standby cycle, duration is about 7.16 hours.After No. 1 dump cycle of aluminum holding furnace, No. 2 aluminum holding furnaces, No. 3 aluminum holding furnaces and
No. 4 aluminum holding furnaces put into dump cycle in succession, and respective preparation week is respectively enterd after their own dump cycle terminates
Phase.No. 1, No. 2, No. 3 and No. 4 dump cycle successive of aluminum holding furnace, realizes to the without interruption of aluminium liquid.It is mixed in No. 4 aluminium
Close stove dump cycle terminate before 38 minutes, the preparatory period of No. 1 aluminum holding furnace is over, and inclines in that can put into again
The state in cycle.That is, whole cycle terminated to topple over next in the upper preparatory period of each aluminum holding furnace
Cycle start between the pre- buffer time in respect of 38 minutes, as shown in Figure 4.
Example 2
Fig. 5 shows the solid metal 85 of liquid:Stove group's working timing figures of 15 chargings, as shown in FIG., aluminum holding furnace is toppled over
The duration in cycle is constant, and the preparatory period has extended due to liquid portion ratio reduction in the solid metal charge of liquid.Similarly,
No. 1, No. 2, No. 3 and No. 4 dump cycle successive of aluminum holding furnace, realizes to the without interruption of aluminium liquid.In No. 4 aluminum holding furnaces
Dump cycle terminate before 19 minutes, the preparatory period of No. 1 aluminum holding furnace is over, and week is toppled in that can put into again
The state of phase.That is, in this case, whole cycle the upper preparatory period of each aluminum holding furnace terminate and under
One dump cycle pre- buffer time in respect of 19 minutes between starting, as shown in Figure 5.
It is that the electrolytic aluminium liquid injection device 3 that every aluminum holding furnace 2 is arranged injects 0.6~0.8 ton of aluminium with per minute
Speed in aluminum holding furnace 2 to injecting electrolytic aluminium liquid.Optionally, electrolytic aluminium liquid injection device 3 can be used and directly toppled over and siphon pipe
Two kinds of forms.In the present embodiment, above-mentioned electrolytic aluminium liquid injection device 3 is aluminium water bag tipping table.
Every aluminum holding furnace 2 is also equipped for ensuring the uniform aluminium water agitating device 9 of temperature of aluminum liquid in stove.Optionally
Ground, the aluminium water agitating device 9 can be magnetic stirrer or permanent magnetic stirrer.By implementing (generally 15 points of a cycle
Clock) stirring after, the upper and lower limit temperature difference of melt should be no more than 5 DEG C, the absolute deviation values of all aluminium liquid alloy compositions are no more than
0.20%.
Due to aluminum holding furnace 2, circulation is come into operation successively in sequential, thus the cloth according to aluminum holding furnace group in workshop
Difference is put, some aluminum holding furnaces 2 is can be designed as and is shared an aluminium water agitating device 9.For example, aluminium shown in figure 2 is mixed
Closing the arranged beneath of stove 2 has aluminium water agitating device 9, and the aluminium water agitating device can be moved or under the carrying of wheeled vehicle frame along track
Operation, the lower section from an aluminum holding furnace moved beneath to another aluminum holding furnace, performs aluminium water agitating function.
Every aluminum holding furnace 2 is also equipped with furnace refining device 4.Furnace refining device 4 is by by refinery gas (Ar+
Cl2Or N2+Cl2) be blown into aluminium liquid realize aluminium liquid is refined.Optionally, furnace refining device can push up plug-in type, side wall to insert
Enter formula or furnace bottom porous plug.In the present embodiment, the design requirement that furnace refining device 4 should meet is：By furnace refining,
The hydrogen content of melt can be made less than or equal to 0.3 milligram/100 grams aluminium and alkali metal content is less than 10ppm.
Similarly, the arrangement according to aluminum holding furnace group in workshop is different, can also be designed as several holding furnaces and share one
Seat furnace refining device 4.
Every aluminum holding furnace 2 is also equipped with burner 5 and corresponding combustion control system.When holding furnace electrolytic aluminium liquid
When injection rate is larger, combustion system is in underload working condition.When furnace charge is returned or solid material is more, combustion system is again necessary
With enough thermic loads ensureing enough melting efficiencies.Therefore, burner 5 must possess enough regulation ratios, usually
1：10.Design heating load is generally dispersedly fed by 3~4 burners 5.Meanwhile, every burner 5 be designed as it is separately adjustable,
The form of independent switch, and independently it is equipped with the fuel/air mixture mass flow ratio system of complete set.In this way, it is possible to suitable
Should be in larger load variations scope.
Online degasification is also equipped with according to the aluminum holding furnace group for supporting aluminium continuous casting and rolling production line of the present utility model
With filter 7, its effect is further to be refined under the aluminium liquid flow of regulation and filtering aluminium liquid, aluminium liquid quality is reached hydrogen and contains
Amount is less than or equal to 0.1 milliliter/100 grams aluminium, and granularity is less than or equal to 3 μ.Online degasification and filter 7 are furnished with corresponding gas
Mixing cabinet, regulator cubicle and electric heating equipment, for matching suitable refinery gas and regulation and control temperature of aluminum liquid.Typical online degasification
The performance parameter of device is as shown in table 2 below：
Table 2:The performance parameter of online depassing unit
For each aluminum holding furnace 2 is equipped with body of heater tiling arrangement, for the body of heater of the aluminum holding furnace 2 that fascinates, make aluminium therein
Liquid is flowed out in corresponding chute 6.
Aluminum holding furnace 2 according to the aluminum holding furnace group for supporting aluminium continuous casting and rolling production line of the present utility model passes through phase
Answer ground to arrange a pair hydraulic cylinders that fascinate in ground and realize above-mentioned fascinating.Solid line in Fig. 2 is shown in the group of aluminum holding furnace shown in Fig. 1
The hydraulic cylinder arrangement of fascinating of the body of heater tiling arrangement of aluminum holding furnace 2, wherein, hydraulic cylinder is in the reset condition not extended out, and aluminium is mixed
Stove 2 is closed then still in horizontal level.The fascinate bottom of hydraulic cylinder is pivotally fixed in foundation of civil work melt pit groove
(hydraulic cylinder that fascinates being pivoted to outside operating position is also shown in Fig. 2), and top is then respectively supported at by heavy box-shaped
What crossbeam was constituted fascinates in support beam.Wherein, the width of the support beam across aluminum holding furnace 2 that fascinate, positioned at the bottom of door.
Such arrangement makes primary load be transmitted by crossbeam, is undertaken rather than by furnace shell, so as to avoid the latent stress collection of furnace shell
Neutralize deformation.Meanwhile, the temperature of crossbeam is relatively low, thus the swell increment of hydraulic cylinder tie point is smaller.When operation is fascinated, often
Individual aluminum holding furnace 2 rotates around 2 gudgeon pedestals 12.Gudgeon pedestal 12 is made by 25mm and 50mm steel plates, carries heavy
Spherical ball bearing.Fig. 2 show in phantom hydraulic cylinder and is in and stretches out state on top, and aluminum holding furnace 2 is tilted to and makes aluminium liquid stream
Go out to the tilt angle in chute 6.
To adapt to go out aluminum flux control to the multiple aluminum holding furnaces 2 in aluminum holding furnace group, according to of the present utility model
Body of heater for being arranged in the aluminum holding furnace group of supporting aluminium continuous casting and rolling production line fascinates and passed equipped with Position of Hydraulic Cylinder on hydraulic cylinder 8
A series of Controlled exit Aluminium devices such as sensor 13, liquid level guard electrode 15, chute flashboard 14, laser liquid-level instrument 16, and body of heater inclines
Dynamic interlock control apparatus, the body of heater interlock control apparatus that fascinate adjust correspondence according to the fascinate detected value of position sensor of body of heater
Aluminum holding furnace 2 body of heater turning angle.In the present embodiment, the regulation of body of heater turning angle is by adjusting the body of heater
The extension elongation of hydraulic cylinder 8 of fascinating is realized.
Hydraulic cylinder position sensor 13 is housed on body of heater fascinates hydraulic cylinder 8, the extension elongation of hydraulic cylinder is measured, is calculated
The real-time turning angle of body of heater.It is the function of body of heater turning angle in view of metal aluminium liquid flow of coming out of the stove, it is thus possible to extrapolate
Come out of the stove metal aluminium liquid flow.
In a kind of modification of the embodiment, the body of heater that can also alternatively set other forms fascinates position sensor
Directly measurement body of heater fascinates Angle Position, and then extrapolates metal aluminium liquid flow of coming out of the stove.
Meanwhile, laser liquid-level instrument 16 is housed in holding furnace hole launder 6, for the noncontact inspection of convective tank aluminium liquid liquid level
Survey.The body of heater fascinates interlock control apparatus according to the aluminium liquid liquid in the hole launder 6 of the aluminum holding furnace 2 for measuring in real time
Position control body of heater fascinates action, to maintain the liquid level in the hole launder 6 in certain limit.Specifically, by dynamic parameter
PID model control the aperture of hydraulic system proportioning valve, so as to adjust the discharging volume of metal, maintain the liquid level of chute 6 certain
In the range of, it is ensured that aluminium liquid flow is constant when downstream casting machine casts.Generally, chute Liquid level precision is in +/- 1.0mm.
Liquid level guard electrode 15 is housed on every section of chute 6, for the high level protection of chute 6.Body of heater fascinates to interlock and controls
Device processed stops body of heater and fascinates action when liquid level guard electrode 15 detects liquid level and reaches the high level limit, just.
Chute flashboard 14 is housed on every section of chute 6.Body of heater fascinate interlock control apparatus when the chute flashboard is opened
Allow corresponding aluminum holding furnace 2 to start action of fascinating, and then close correspondence immediately when the body of heater of corresponding aluminum holding furnace 2 resets
Chute flashboard.The combinative movement of chute flashboard ensure that the correct flow direction and safety of aluminium water.
Therefore, in the technical solution of the utility model, each aluminum holding furnace 2 fascinates hydraulic cylinder 8 in institute according to body of heater successively
State the pivot of wall after discharging of the action under the control of Controlled exit Aluminium system to fascinate, so as to by the aluminum holding furnace 2
Molten aluminum liquid conticaster C is transported to by chute 6.By the cooperation of multiple aluminum holding furnaces 2 and Controlled exit Aluminium device effectively
The continuous casting and rolling production of aluminium sheet strip and foil based on Ha Ziliete continuous casting process is met to high-quality, the aluminium liquid of high flow capacity
It is required that.The utility model is in itself and whole piece continuous casting and rolling production line all has economic benefit and social benefit very high.
Although in addition, producing the continuous casting and rolling of metallic aluminium to this practicality it should be readily apparent to one skilled in the art that being based only upon
New technical scheme has carried out detailed explanation, but the utility model is not limited to this.Obviously, technical side of the present utility model
Case can also be generalized in the continuous casting and rolling production of other melting non-ferrous metals or ferrous metal without difficulty.
Preferred embodiment of the present utility model is more than described, but spirit and scope of the present utility model are not limited to here
Disclosed particular content.Those skilled in the art can according to it is of the present utility model teaching and make more implementation methods and
Using these implementation methods and application are all in spirit and scope of the present utility model.Spirit and scope of the present utility model are not
Limited by specific embodiment, and be defined by the claims.
Reference numerals list
1. skim charging convertible car
2. aluminum holding furnace
3. electrolytic aluminium liquid injection device
4. furnace refining device
5. burner
6. chute
7. online degasification and filter
8. body of heater fascinates hydraulic cylinder
9. aluminium water agitating device
10. fire door
11. fire door petticoat pipes
12 gudgeon pedestals
13 hydraulic cylinder position sensors
14 chute flashboards
15 liquid level guard electrodes
16 laser liquid-level instrument
C conticasters
F smelting furnaces
X aluminum holding furnace chute center lines
Claims (10)
1. a kind of aluminum holding furnace group for supporting aluminium continuous casting and rolling production line, it is characterised in that the aluminum holding furnace group includes
Multiple aluminum holding furnaces (2), each aluminum holding furnace is connected with the chute (6) with insulation cover respectively,
Wherein, it is that every aluminum holding furnace (2) is equipped with electrolytic aluminium liquid injection device electrolytic aluminium liquid injection device (3), aluminium water
Agitating device (9), furnace refining device (4), burner (5) and combustion control system, body of heater tiling arrangement, Controlled exit Aluminium system
System, online degasification and filter (7),
Wherein, the aluminum holding furnace (2) is fascinated hydraulic cylinder (8) with body of heater, and the body of heater hydraulic cylinder that fascinates is designed to be suitable
The aluminum holding furnace (2) that fascinates is rotated under the control of the Controlled exit Aluminium system, so as to will be in the aluminum holding furnace (2) melt
Molten aluminum liquid is transported to conticaster (C) by chute (6).
2. the aluminum holding furnace group for supporting aluminium continuous casting and rolling production line according to claim 1, it is characterised in that described
Controlled exit Aluminium system includes：
Body of heater fascinates position sensor, and the body of heater position sensor that fascinates inclines for detecting the body of heater of the aluminum holding furnace (2)
Dynamic position,
Body of heater fascinates interlock control apparatus, and the body of heater interlock control apparatus that fascinate are designed to be suitable and are fascinated position according to body of heater
The detected value of sensor adjusts the turning angle of the body of heater of corresponding aluminum holding furnace (2).
3. the aluminum holding furnace group for supporting aluminium continuous casting and rolling production line according to claim 2, it is characterised in that described
The body of heater position sensor that fascinates is to be arranged in the body of heater that the body of heater fascinates on hydraulic cylinder (8) to fascinate hydraulic cylinder position sensor
(13), for detecting the extension elongation of hydraulic cylinder.
4. the aluminum holding furnace group for supporting aluminium continuous casting and rolling production line according to claim 2, it is characterised in that described
Controlled exit Aluminium system also includes：
Chute flashboard (14), the chute flashboard is arranged on every section of chute (6), for preventing aluminium liquid stream when closed
It is dynamic,
Wherein, the body of heater fascinate interlock control apparatus be designed to be suitable when the chute flashboard (14) is opened just allow it is right
The aluminum holding furnace (2) answered starts action of fascinating, and is then closed immediately when the body of heater of corresponding aluminum holding furnace (2) resets corresponding
Chute flashboard (14).
5. the aluminum holding furnace group for supporting aluminium continuous casting and rolling production line according to claim 4, it is characterised in that described
Controlled exit Aluminium system also includes：
Liquid level guard electrode (15), the liquid level guard electrode is arranged on every section of chute (6), for detection stream tank liquor position
The situation of the high level limit is reached,
Wherein, the body of heater interlock control apparatus that fascinate are designed to be suitable and detect chute in the liquid level guard electrode (15)
Stop body of heater when liquid level reaches the high level limit to fascinate action.
6. the aluminum holding furnace group for supporting aluminium continuous casting and rolling production line according to any one of claim 2 to 5, it is special
Levy and be, the Controlled exit Aluminium system also includes：
Laser liquid-level instrument (16), the laser liquid-level instrument is used to measure in real time in the hole launder (6) of the aluminum holding furnace (2)
Aluminium liquid liquid level,
Wherein, the body of heater interlock control apparatus that fascinate are designed to be suitable according to the aluminum holding furnace (2) that measures in real time
Hole launder (6) in aluminium liquid Liquid level body of heater fascinate action, to maintain the liquid level in the hole launder (6) in certain model
Enclose.
7. the aluminum holding furnace group for supporting aluminium continuous casting and rolling production line according to any one of claim 1 to 5, it is special
Levy and be, the hydraulic cylinder that fascinates of the body of heater tiling arrangement is arranged in the bottom of the aluminum holding furnace (2).
8. the aluminum holding furnace group for supporting aluminium continuous casting and rolling production line according to claim 7, it is characterised in that described
Aluminum holding furnace (2) has the support of fascinating by being constituted across the heavy box-shaped beam of body of heater width in fire door (10) bottom
Beam, the hydraulic cylinder that fascinates of the body of heater tiling arrangement is supported on this and fascinates in support beam.
9. the aluminum holding furnace group for supporting aluminium continuous casting and rolling production line according to any one of claim 1 to 5, it is special
Levy and be, aluminum holding furnace (2) quantity of the aluminum holding furnace group is two to six.
10. the aluminum holding furnace group for supporting aluminium continuous casting and rolling production line according to any one of claim 1 to 5, its
It is characterised by there are some aluminum holding furnaces (2) to share an aluminium water agitating device (9) in the aluminum holding furnace group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621260144.1U CN206298629U (en) | 2016-11-21 | 2016-11-21 | For the aluminum holding furnace group of supporting aluminium continuous casting and rolling production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621260144.1U CN206298629U (en) | 2016-11-21 | 2016-11-21 | For the aluminum holding furnace group of supporting aluminium continuous casting and rolling production line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206298629U true CN206298629U (en) | 2017-07-04 |
Family
ID=59212928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621260144.1U Expired - Fee Related CN206298629U (en) | 2016-11-21 | 2016-11-21 | For the aluminum holding furnace group of supporting aluminium continuous casting and rolling production line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206298629U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106399717A (en) * | 2016-11-21 | 2017-02-15 | 安德里茨（中国）有限公司 | Aluminium holding furnace group for matched aluminium continuous casting and rolling production line |
| CN108518981A (en) * | 2018-04-18 | 2018-09-11 | 阿坝铝厂 | A kind of electrolytic aluminium molten aluminum holding furnace |
-
2016
- 2016-11-21 CN CN201621260144.1U patent/CN206298629U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106399717A (en) * | 2016-11-21 | 2017-02-15 | 安德里茨（中国）有限公司 | Aluminium holding furnace group for matched aluminium continuous casting and rolling production line |
| CN106399717B (en) * | 2016-11-21 | 2018-11-20 | 安德里茨（中国）有限公司 | Aluminum holding furnace group for mating aluminium continuous casting and rolling production line |
| CN108518981A (en) * | 2018-04-18 | 2018-09-11 | 阿坝铝厂 | A kind of electrolytic aluminium molten aluminum holding furnace |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Emi | Steelmaking technology for the last 100 years: toward highly efficient mass production systems for high quality steels | |
| CN105861775B (en) | A kind of high nickel content ultra-low phosphoretic steel smelting process method | |
| CN102912078A (en) | Minimum energy utilization electric arc furnace system and processes for making steel products | |
| CN101653822A (en) | Electric furnace continuous casting short process production method of oil well pipe billets | |
| CN206298629U (en) | For the aluminum holding furnace group of supporting aluminium continuous casting and rolling production line | |
| CN106493316A (en) | Vertical type semi-solid casting and rolling device and casting-rolling method | |
| US7618582B2 (en) | Continuous steel production and apparatus | |
| CN106399717B (en) | Aluminum holding furnace group for mating aluminium continuous casting and rolling production line | |
| CN104451023A (en) | Smelting method for retaining hot dreg of converter | |
| CN107774975B (en) | A kind of method that ladle tapping latter stage inhibits vortex slag | |
| CN101665850B (en) | Device for heating and smelting sponge iron, separating iron slag and refining molten steel | |
| CN103160635B (en) | Process for producing die steel by utilizing converter continuous casting mode | |
| CN103333991A (en) | Ferritic alloy for adjusting content of dissolved oxygen in molten steel, and preparation and usage method thereof | |
| CN107824756A (en) | Steel control method more than a kind of slab caster tundish based on continuous temperature measurement | |
| US6500224B1 (en) | Method for operating a steelmaking furnace during a steelmaking process | |
| CN105112598B (en) | A kind of method that converter product bottom slag is directly used in pneumatic steelmaking | |
| CN102719622B (en) | Method for recycle of steel-making casting-remnant heat-state steel slag | |
| CN106834592B (en) | A kind of method that steel treatment is melted down in converter | |
| CN106498116B (en) | A kind of production technology of circle chain of mine steel | |
| CN110756789A (en) | Ladle bottom and method for reducing casting residue of IF steel ladle | |
| CN105177213A (en) | Pretreatment method of hot charged molten iron for casting | |
| CN107604159A (en) | A kind of method and feeding device that low price iron charge is produced using metallurgical waste heat | |
| CN105132787B (en) | B2 ultra-low carbon segregation index control method for high-grade mine mill ball | |
| US3692290A (en) | Plant for continuously refining pig iron | |
| Peter et al. | Introduction of a novel, scrap-based, fully continuous steelmaking process |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170704 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |