CN107201534A - One kind goes out aluminium task computation method - Google Patents
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- CN107201534A CN107201534A CN201710391763.7A CN201710391763A CN107201534A CN 107201534 A CN107201534 A CN 107201534A CN 201710391763 A CN201710391763 A CN 201710391763A CN 107201534 A CN107201534 A CN 107201534A
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- 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
- C25C3/20—Automatic control or regulation of cells
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Abstract
The present invention relates to field of aluminum electrolysis, specifically go out aluminium task computation method for one kind, including：Count this week average noise G5 in groove, noise figure weight H5, calculating groove internal oxidition aluminium discharge quantity weight H8, calculating electrolyte level weight H11, calculating aluminium horizontal weights H17, calculating weight sum H23 finally calculate aluminum yield lower limit B34, aluminum yield standard value C34, aluminum yield upper limit D34 in calculating groove；This method can import EXCEL and carry out calculating aluminium indicatrix automatically；Technology controlling and process is more stablized, due to assigning method using the aluminium indicatrix that goes out of standard value+correction value；Parameter selection dimension is more, and reliability is higher；Parameters weighting is more smooth, and the value for not interfering with some dimension is especially big, and influences final judgement；So that the final aluminium that obtains out indicates that numerical quantity is accurate, reliable.
Description
Technical field
The present invention relates to field of aluminum electrolysis, specifically go out aluminium task computation method for one kind.
Background technology
Current electrolysis produces aluminium indicatrix and relies primarily on technical staff according under daily measurement data and micro-judgment
Go out aluminium task up to every groove；In addition, slot control machine system possesses the automatic function of assigning out aluminium indicatrix, but due to data source list
One, do not adjusted by periodicity, fluctuation is larger, and algorithm relies primarily on alumina blanking amount, its alumina blanking amount statistics is frequent
The distortion because of equipment fault, therefore it is unreliable to go out aluminium indicatrix data practical application.
The content of the invention
In view of this, go out aluminium guidance amount computational methods it is an object of the invention to one kind, can be referred to by the form of formula
Lead operator and quickly calculate aluminium guidance amount, take leave of the inaccurate numeral in the past as obtained by experience.
To reach above-mentioned purpose, the present invention provides following technical scheme：A kind of outlet of electrolytic aluminum task computation method, its feature exists
In：Comprise the following steps：
A. noise figure average value C4, noise figure upper limit C5, noise figure lower limit C3 in groove are rule of thumb obtained respectively；Alumina blanking
Measure standard value C7, alumina blanking amount upper limit C8, alumina blanking amount lower limit C6；Electrolyte level standard value C10, electrolyte water
Flat upper limit C11, electrolyte level lower limit C9；Normal groove aluminium level standard value C13, normal groove aluminium upper level C14, normal groove aluminium
Horizontal lower limit C12；Two generation groove aluminium level standard value C16, two generation groove aluminium upper level C17, the two horizontal lower limit C15 of generation groove aluminium；It is broken
Damage groove groove aluminium level standard value C19, damaged groove groove aluminium upper level C20, the horizontal lower limit C18 of damaged groove groove aluminium；Electrolyte comes in and goes out
Number of days mark value C22, electrolyte discharge number of days C23, electrolyte enter number of days C21；Stay aluminium dish definite value C24；Go out aluminium dish definite value
C25；Wherein, the alumina blanking amount lower limit C6=C7-180；The alumina blanking amount upper limit C8=C7+180；The electrolysis
Matter discrepancy number of days mark value C22 is 0, and the electrolyte excludes number of days C23 and takes negative value, and the electrolyte takes just into number of days C21
Value；
B. noise figure weighted mean D4, noise figure weight upper limit D5, noise figure weight lower limit in groove are rule of thumb obtained respectively
D3；Alumina blanking amount weight standard value D7, alumina blanking amount weight upper limit D8, alumina blanking amount weight lower limit D6；Electricity
Solve matter horizontal weights standard value D10, electrolyte level weight upper limit D11, electrolyte level weight lower limit D9；Normal groove aluminium level
Weight standard value D13, normal groove aluminium horizontal weights upper limit D14, normal groove aluminium horizontal weights lower limit D12；Two generation groove aluminium levels are weighed
Weight standard value D16, two generation groove aluminium horizontal weights upper limit D17, two generation groove aluminium horizontal weights lower limit D15；Damaged groove groove aluminium level power
Weight standard value D19, damaged groove groove aluminium horizontal weights upper limit D20, damaged groove groove aluminium horizontal weights lower limit D18；Electrolyte discrepancy day
Number weight mark value D22, electrolyte discharge number of days weight D23, electrolyte enter number of days weight D21；
C. this week average noise G5 in groove is counted；Count this week alumina blanking amount G8 in groove；Count the average electricity of this week in groove
Solve the horizontal G11 of matter；Count this week horizontal G17 of average aluminium in groove；Count this week electrolyte turnover number of days G20 in groove；Count in groove
Last season current efficiency G26；Count the last season electric current mean intensity H26 of electrolytic cell；
D. noise figure weight H5 in groove is calculated；As G5 ＜=C3, H5=（G5-C4）/(C4-C3)*D3；As G5 ＞=C5, H5=
（G5-C4）/（C5-C4）*D5；As C3 ＜ G5 ＜ C5, H5=(G5-C4)/(C5-C3) * 2*D4；
E. groove internal oxidition aluminium discharge quantity weight H8 is calculated；Work as G8<During=C6, H8=(G8-C7)/(C7-C6) * D6；Work as G8>During=C8,
H8=(G8-C7)/(C8-C7)*D8；As C6 ＜ G8 ＜ C8, H8=(G8-C7)/(C8-C6) * 2*D7；
F. electrolyte level weight H11 is calculated；Work as G11>During=C11, H11=(C10-G11)/(C11-C10) * D11；Work as G11<=
During C9, H11=(C10-G11)/(C10-C9) * D9；As C9 ＜ G11 ＜ C11, H11=(C10-G11)/(C11-C9) * 2*D10；
G. aluminium horizontal weights H17 is calculated；Work as G17>During=B28, H17=(G17-C28)/(B28-C28) * B31；Work as G17<=D28
When, H17=(G17-C28)/(C28-D28) * D31；As D28 ＜ G17 ＜ B28, H17=(G17-C28)/(B28-D28) * 2*
C31；
The B28 is aluminium upper level standard value；When G14 is normal groove, B28=C14；When G14 is two generation groove, B28=
C17；When G14 is damaged groove, B28=C20；
The C28 is aluminium horizontal reference value；When G14 is normal groove, C28=C13；When G14 is two generation groove, C28=C16；When
When G14 is damaged groove, C28=C19；
The D28 is the horizontal lower limit standard of aluminium；When G14 is normal groove, D28=C12；When G14 is two generation groove, D28=C15；
When G14 is damaged groove, D28=C18；
The B31 is aluminium upper level weight；When G14 is normal groove, B31=D14；When G14 is two generation groove, B31=D17；
When G14 is damaged groove, B31=D20；
The C31 is aluminium horizontal reference value weight；When G14 is normal groove, C31=D13；When G14 is two generation groove, C31=
D16；When G14 is damaged groove, C31=D19；
The D31 is the horizontal lower limit weight of aluminium；When G14 is normal groove, D31=D12；When G14 is two generation groove, D31=D15；
When G14 is damaged groove, D31=D18；
H. electrolyte turnover weight H20 is calculated；Work as G20>During=C21, H20=(G20-C22)/(C21-C22) * D21；Work as G20<=
During C23, H20=(G20-C22)/(C22-C23) * D23；As C23 ＜ G20 ＜ C21, H20=(G20-C22)/(C21-C23) *
2*D22；
I. weight sum H23 is calculated；H23=H5+H8+H11+H17+H20；
J. aluminum yield lower limit B34, aluminum yield standard value C34, aluminum yield upper limit D34 are calculated；
B34=the C34-0.1；D34=the C34+0.05；
C34=the 0.3355*G26*H26*24/1000, described 0.3355 is aluminium electrification side coefficient of discharge；
K. aluminium indicatrix H28 is calculated；Work as H23>During C25, H28=D34；Work as H23<During C24, H28=B34；As C24 ＜=H23 ＜
During=C25, H28=C34.
Compared with prior art, the beneficial effects of the present invention are：
This method can import EXCEL and carry out calculating aluminium indicatrix automatically；Technology controlling and process is more stablized, due to using standard value
The aluminium indicatrix that goes out of+correction value assigns method；Parameter selection dimension is more, and reliability is higher；Parameters weighting is more smooth, will not
Influence the value of some dimension especially big, and influence final judgement；So that the final aluminium that obtains out indicates that numerical quantity is accurate, reliable.
Brief description of the drawings
In order that the purpose of the present invention, technical scheme and beneficial effect are clearer, the present invention provides drawings described below and carried out
Explanation：
Fig. 1 is the system structure diagram of the embodiment of the present invention 1.
Embodiment
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings, so that those skilled in the art can be with
It is better understood from the present invention and can be practiced, but illustrated embodiment is not as a limitation of the invention.
As shown in Figure 1, a kind of outlet of electrolytic aluminum task computation method, it is characterised in that：Comprise the following steps：A. basis
Experience obtains noise figure average value 14 in groove, the noise figure upper limit 16, noise figure lower limit 11.5 respectively；Alumina blanking amount standard value
5800th, the alumina blanking amount upper limit 5980, alumina blanking amount lower limit 5620；Electrolyte level standard value 15, electrolyte level
The upper limit 16, electrolyte level lower limit 14.5；Normal groove aluminium level standard value 32, normal groove aluminium upper level 34, normal groove aluminium water
Flat lower limit 30；Two generation groove aluminium level standard values 31, two generation groove aluminium upper levels 32, the two horizontal lower limits 28 of generation groove aluminium；Damaged groove groove
Aluminium level standard value 36, damaged groove groove aluminium upper level 38, the horizontal lower limit 34 of damaged groove groove aluminium；Electrolyte discrepancy number of days mark value
0th, electrolyte discharge number of days -3, electrolyte enter number of days 3；Stay aluminium dish definite value -0.5；Go out aluminium dish definite value 0.6；Wherein, the oxidation
Aluminium discharge quantity lower limit is 5800-180=5620；Alumina blanking amount upper limit 5800+180=5980；The electrolyte comes in and goes out
Number of days mark value is 0, and the electrolyte excludes number of days -3 and takes negative value, the electrolyte into number of days 3 take on the occasion of；
B. rule of thumb obtain respectively in groove under noise figure weighted mean 0.1, the noise figure weight upper limit 0.3, noise figure weight
Limit 0.3；Alumina blanking amount weight standard value 0.1, the alumina blanking amount weight upper limit 0.3, alumina blanking amount weight lower limit
0.3；Electrolyte level weight standard value 0.15, the electrolyte level weight upper limit 0.15, electrolyte level weight lower limit 0.25；Just
Normal groove aluminium horizontal weights standard value 0.1, the normal groove aluminium horizontal weights upper limit 0.15, normal groove aluminium horizontal weights lower limit 0.3；Two generations
Groove aluminium horizontal weights standard value 0.1, the two generation groove aluminium horizontal weights upper limits 0.15, two generation groove aluminium horizontal weights lower limits 0.3；Damaged groove
Groove aluminium horizontal weights standard value 0.1, the damaged groove groove aluminium horizontal weights upper limit 0.1, damaged groove groove aluminium horizontal weights lower limit 0.2；Electricity
Solve matter discrepancy number of days weight mark value 0.1, electrolyte discharge number of days weight 0.3, electrolyte and enter number of days weight 0.3；
C. this week average noise 14.5 in groove is counted；Count this week alumina blanking amount 5435.3 in groove；Count this week in groove
Average electrolyte level 16.6；Count the average aluminium level 30.9 of this week in groove；Count this week electrolyte turnover number of days -5 in groove；System
Count last season current efficiency 93.50% in groove；Count the last season electric current mean intensity 405.5 of electrolytic cell；
D. noise figure weight H5 in groove is calculated；During because of 11.5 14.5 ＜ 16 of ＜, H5=(14.5-14)/(16-11.5) * 2*0.1=
0.222；
E. groove internal oxidition aluminium discharge quantity weight H8 is calculated；When 5435.3<When=5620, H8=(5435.3-5800)/(5800-
5620)*0.3=-0.608；
F. electrolyte level weight H11 is calculated；When 16.6>When=16, H11=(15-16.6)/(16-15) * 0.1=- 0.16；
G. it is normal groove herein, normal groove calculates aluminium horizontal weights H17；As 30.9 ＜ B28 of D28 ＜, H17=（30.9-32）/
(34-30)*2*0.1=-0.055；
The B28 is aluminium upper level standard value；When G14 is normal groove, B28=34；When G14 is two generation groove, B28=32；
When G14 is damaged groove, B28=38；
The C28 is aluminium horizontal reference value；When G14 is normal groove, C28=32；When G14 is two generation groove, C28=31；Work as G14
During for damaged groove, C28=36；
The D28 is the horizontal lower limit standard of aluminium；When G14 is normal groove, D28=30；When G14 is two generation groove, D28=28；When
When G14 is damaged groove, D28=34；
The B31 is aluminium upper level weight；When G14 is normal groove, B31=0.15；When G14 is two generation groove, B31=
0.15；When G14 is damaged groove, B31=0.1；
The C31 is aluminium horizontal reference value weight；When G14 is normal groove, C31=0.1；When G14 is two generation groove, C31=
0.1；When G14 is damaged groove, C31=0.1；
The D31 is the horizontal lower limit weight of aluminium；When G14 is normal groove, D31=0.3；When G14 is two generation groove, D31=0.3；
When G14 is damaged groove, D31=0.2；
H. electrolyte turnover weight H20 is calculated；Now -5<When=- 3, H20=(- 5-0)/(0-（-3）)*0.3=-0.5
I. weight sum H23 is calculated；
H23=H5+H8+H11+H17+H20=0.222+-0.608+-0.16+-0.055+-0.5=-1.101
J. aluminum yield lower limit B34, aluminum yield standard value C34, aluminum yield upper limit D34 are calculated；
B34=the C34-0.1；D34=the C34+0.05；
C34=0.3355*93.50%*405.5*24/1000 ≈ 3.05, described 0.3355 is aluminium electrification side coefficient of discharge；
K. aluminium indicatrix H28 is calculated；Now work as H23<- 0.5, draw out aluminium indicatrix H28=3.05-0.1=2.95.
Wherein, above-mentioned noise figure unit is mv；Alumina blanking amount unit is kg；Electrolyte level unit is cm；Normally
Groove aluminium horizontal unit is cm；Two generation groove aluminium horizontal units are cm；Damaged groove groove aluminium horizontal unit is cm；Electrolyzer electric intensity of flow is
kA；Go out aluminium indicatrix unit for t.
Embodiment described above is only the preferred embodiment to absolutely prove the present invention and being lifted, the scope of the present invention
Not limited to this.Equivalent substitute or conversion that those skilled in the art are made on the basis of the present invention, the present invention's
Within protection domain.Protection scope of the present invention is defined by claims.
Claims (1)
1. a kind of outlet of electrolytic aluminum task computation method, it is characterised in that：Comprise the following steps：
A. noise figure average value C4, noise figure upper limit C5, noise figure lower limit C3 in groove are rule of thumb obtained respectively；Alumina blanking
Measure standard value C7, alumina blanking amount upper limit C8, alumina blanking amount lower limit C6；Electrolyte level standard value C10, electrolyte water
Flat upper limit C11, electrolyte level lower limit C9；Normal groove aluminium level standard value C13, normal groove aluminium upper level C14, normal groove aluminium
Horizontal lower limit C12；Two generation groove aluminium level standard value C16, two generation groove aluminium upper level C17, the two horizontal lower limit C15 of generation groove aluminium；It is broken
Damage groove groove aluminium level standard value C19, damaged groove groove aluminium upper level C20, the horizontal lower limit C18 of damaged groove groove aluminium；Electrolyte comes in and goes out
Number of days mark value C22, electrolyte discharge number of days C23, electrolyte enter number of days C21；Stay aluminium dish definite value C24；Go out aluminium dish definite value
C25；Wherein, the alumina blanking amount lower limit C6=C7-180；The alumina blanking amount upper limit C8=C7+180；The electrolysis
Matter discrepancy number of days mark value C22 is 0, and the electrolyte excludes number of days C23 and takes negative value, and the electrolyte takes just into number of days C21
Value；
B. noise figure weighted mean D4, noise figure weight upper limit D5, noise figure weight lower limit in groove are rule of thumb obtained respectively
D3；Alumina blanking amount weight standard value D7, alumina blanking amount weight upper limit D8, alumina blanking amount weight lower limit D6；Electricity
Solve matter horizontal weights standard value D10, electrolyte level weight upper limit D11, electrolyte level weight lower limit D9；Normal groove aluminium level
Weight standard value D13, normal groove aluminium horizontal weights upper limit D14, normal groove aluminium horizontal weights lower limit D12；Two generation groove aluminium levels are weighed
Weight standard value D16, two generation groove aluminium horizontal weights upper limit D17, two generation groove aluminium horizontal weights lower limit D15；Damaged groove groove aluminium level power
Weight standard value D19, damaged groove groove aluminium horizontal weights upper limit D20, damaged groove groove aluminium horizontal weights lower limit D18；Electrolyte discrepancy day
Number weight mark value D22, electrolyte discharge number of days weight D23, electrolyte enter number of days weight D21；
C. this week average noise G5 in groove is counted；Count this week alumina blanking amount G8 in groove；Count the average electricity of this week in groove
Solve the horizontal G11 of matter；Count this week horizontal G17 of average aluminium in groove；Count this week electrolyte turnover number of days G20 in groove；Count in groove
Last season current efficiency G26；Count the last season electric current mean intensity H26 of electrolytic cell；
D. noise figure weight H5 in groove is calculated；As G5 ＜=C3, H5=（G5-C4）/(C4-C3)*D3；As G5 ＞=C5, H5=
（G5-C4）/（C5-C4）*D5；As C3 ＜ G5 ＜ C5, H5=(G5-C4)/(C5-C3) * 2*D4；
E. groove internal oxidition aluminium discharge quantity weight H8 is calculated；Work as G8<During=C6, H8=(G8-C7)/(C7-C6) * D6；Work as G8>During=C8,
H8=(G8-C7)/(C8-C7)*D8；As C6 ＜ G8 ＜ C8, H8=(G8-C7)/(C8-C6) * 2*D7；
F. electrolyte level weight H11 is calculated；Work as G11>During=C11, H11=(C10-G11)/(C11-C10) * D11；Work as G11<=
During C9, H11=(C10-G11)/(C10-C9) * D9；As C9 ＜ G11 ＜ C11, H11=(C10-G11)/(C11-C9) * 2*D10；
G. aluminium horizontal weights H17 is calculated；Work as G17>During=B28, H17=(G17-C28)/(B28-C28) * B31；Work as G17<=D28
When, H17=(G17-C28)/(C28-D28) * D31；As D28 ＜ G17 ＜ B28, H17=(G17-C28)/(B28-D28) * 2*
C31；
The B28 is aluminium upper level standard value；When G14 is normal groove, B28=C14；When G14 is two generation groove, B28=
C17；When G14 is damaged groove, B28=C20；
The C28 is aluminium horizontal reference value；When G14 is normal groove, C28=C13；When G14 is two generation groove, C28=C16；When
When G14 is damaged groove, C28=C19；
The D28 is the horizontal lower limit standard of aluminium；When G14 is normal groove, D28=C12；When G14 is two generation groove, D28=C15；
When G14 is damaged groove, D28=C18；
The B31 is aluminium upper level weight；When G14 is normal groove, B31=D14；When G14 is two generation groove, B31=D17；
When G14 is damaged groove, B31=D20；
The C31 is aluminium horizontal reference value weight；When G14 is normal groove, C31=D13；When G14 is two generation groove, C31=
D16；When G14 is damaged groove, C31=D19；
The D31 is the horizontal lower limit weight of aluminium；When G14 is normal groove, D31=D12；When G14 is two generation groove, D31=D15；
When G14 is damaged groove, D31=D18；
H. electrolyte turnover weight H20 is calculated；Work as G20>During=C21, H20=(G20-C22)/(C21-C22) * D21；Work as G20<=
During C23, H20=(G20-C22)/(C22-C23) * D23；As C23 ＜ G20 ＜ C21, H20=(G20-C22)/(C21-C23) *
2*D22；
I. weight sum H23 is calculated；H23=H5+H8+H11+H17+H20；
J. aluminum yield lower limit B34, aluminum yield standard value C34, aluminum yield upper limit D34 are calculated；
B34=the C34-0.1；D34=the C34+0.05；
C34=the 0.3355*G26*H26*24/1000, described 0.3355 is aluminium electrification side coefficient of discharge；
K. aluminium indicatrix H28 is calculated；Work as H23>During C25, H28=D34；Work as H23<During C24, H28=B34；As C24 ＜=H23 ＜
During=C25, H28=C34.
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| CN109536999A (en) * | 2019-02-01 | 2019-03-29 | 重庆旗能电铝有限公司 | A kind of automatic aluminum discharging method based on technology centralized management platform expert system |
| CN110413938A (en) * | 2019-08-30 | 2019-11-05 | 沈阳铝镁设计研究院有限公司 | A kind of aluminium cell goes out the calculation method of aluminium task |
| CN115896873A (en) * | 2022-11-14 | 2023-04-04 | 广域铭岛数字科技有限公司 | Method, device, equipment and medium for setting aluminum output indicating quantity |
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| CN110413938A (en) * | 2019-08-30 | 2019-11-05 | 沈阳铝镁设计研究院有限公司 | A kind of aluminium cell goes out the calculation method of aluminium task |
| CN110413938B (en) * | 2019-08-30 | 2022-11-22 | 沈阳铝镁设计研究院有限公司 | Method for calculating aluminum outlet task of aluminum electrolysis cell |
| CN115896873A (en) * | 2022-11-14 | 2023-04-04 | 广域铭岛数字科技有限公司 | Method, device, equipment and medium for setting aluminum output indicating quantity |
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