CN108441634B - A kind of intelligent high-efficiency distribution that is inexpensive, producing ferro-molybdenum in high yield - Google Patents
A kind of intelligent high-efficiency distribution that is inexpensive, producing ferro-molybdenum in high yield Download PDFInfo
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Abstract
A kind of intelligent high-efficiency distribution that is inexpensive, producing ferro-molybdenum in high yield, it establishes production ferro-molybdenum raw material auxiliary material correlation A, B, C, D, E class database and the task molybdenum-iron trade mark and molybdenum oxide lot number N is manually entered in operating terminal, and startup program, calculation processing data；Automatic search in the database, ferrosilicon, iron ore, nitre, fluorite, the aluminium powder, steel beans additional amount for calculating, determining 6 kinds of auxiliary materials；Operation simultaneously checks furnace charge unit calorific value, compared with the best furnace charge unit calorific value of corresponding season, until meeting；Go out to design molybdenum-iron impurity content according to calculated recipe calculation, until meeting.Advantage is: so that formula design more comprehensively, is more optimized, is more scientific, prevents human error, make full use of furnace charge calorific value, can maximum magnitude save cost of material, molybdenum-iron grade and design grade Fu He Shuai≤99% out, impurity He Ge Shuai≤99%, molybdenum Shou Shuai≤99% are smelted in actual production.
Description
Technical field
The present invention relates to the intelligent high-efficiency distributions that a kind of low cost, high yield produce ferro-molybdenum.
Background technique
In the production of ferro-molybdenum, silicothermic process is most common perrin process ferro-molybdenum production method, and silicothermic process is molten
When refining molybdenum-iron, energy self-heating is reacted once igniting and is carried out, therefore, in smelting process, furnace charge calorific value must satisfy production requirement.
Based on the calorific value of unit furnace charge and supplementary material data, under the premise of setting the smelting task molybdenum-iron trade mark and molybdenum oxide batch, greatly
Most producers are on the basis of tradition smelts calculation method, and based on the experience of smelting technique personnel, screening calculates adding for supplementary material
Enter amount, calculated using artificial, the main problems are as follows: first, artificial screening calculate it is relatively complicated, spend the time compared with
It is long；Second, when supplementary material kind is more, sorting is difficult, and can not determine optimum formula, and there are cost of material wastes, and
Thermal energy waste.Therefore, when ferro-molybdenum produces at present, often using fixed raw material grade, fixed dosage causes supplementary material can
Small with range, raw material selects limitation big.
Summary of the invention
The technical problem to be solved in the present invention is to provide the intelligent high-efficiencies that a kind of low cost, high yield produce ferro-molybdenum
Distribution makes formula design more comprehensively, more optimize, is more scientific, prevents human error, furnace charge is made full use of to generate heat
Amount, can maximum magnitude save cost of material, molybdenum-iron grade out and design grade Fu He Shuai≤99%, impurity are smelted in actual production
He Ge Shuai≤99%, molybdenum Shou Shuai≤99%.
The technical scheme is that
A kind of intelligent high-efficiency distribution that is inexpensive, producing ferro-molybdenum in high yield, comprising the following steps:
1) step 1: database is established, includes: in database
First, A class data: including under the conditions of different molybdenum-irons design molybdenum grade, different molybdenum oxide grade, Various Seasonal most
Good furnace charge unit calorific value, environment temperature are defined as winter 2 when being not higher than 0 DEG C, environment temperature is defined as summer 1 when being higher than 0 DEG C；
Second, B class data: ferrosilicon excess coefficient, aluminium including different grades, the molybdenum oxide type of different low price molybdenum contents
Powder preliminary examination amount；
Third, C class data: grade and impurity content, the grade of ferrosilicon and impurity content, magnetic iron ore including molybdenum oxide
Grade and impurity content, the grade of nitre and impurity content, the grade of fluorite and impurity content, the grade of aluminium powder and impurity contain
Amount, the grade of steel beans and impurity content；
4th, D class database: ferro-molybdenum product grade corresponds to molybdenum grade and impurity requires, designs molybdenum grade；
5th, E class data: auxiliary material ferrosilicon, magnetic iron ore, nitre, fluorite including the every 10 batch 1000kg molybdenum oxide of correspondence,
Aluminium powder, steel beans inventory data；Other are in batches multiplied by corresponding coefficient.
(1) the inventory F of iron ore is constant, F=280kg；
The inventory Y of fluorite is constant, Y=45kg；
The 0.01143 ÷ I of additional amount D=[(5C+43.68+0.37I-0.844H)] ÷ of ferrosilicon3× J (kg), C molybdenum oxide
Grade percentage value (i.e. molybdenum oxide grade is C%), J is ferrosilicon excess coefficient, I3For ferrosilicon percentage grade value, (i.e. ferrosilicon is siliceous
I3%), H is aluminium powder additional amount, and I is nitre additional amount, and ferrosilicon Si grade is between 65-75%；
(2) aluminium powder additional amount H is added according to aluminium powder preliminary examination amount in B class data；
Nitre additional amount I=H+10kg；
(3) steel beans additional amount G=10 × [(100 × C% × 0.99) ÷ design molybdenum-iron molybdenum grade %- (100 × C% ×
0.99)] in-G1 × ferrosilicon iron percentage composition-F1 × 25%)/0.98, C molybdenum oxide grade percentage value, G1 be ferrosilicon be added
Amount, F1 are the additional amount of magnetic iron ore；
(4) furnace charge unit calorific value Q=(5533.4 × H+64348.5 × C+362356+8429I) ÷ (1325+G+H+I+
D) (KJ/kg), C molybdenum oxide grade percentage value, G steel beans weight, H aluminium powder weight, I nitre weight, D ferrosilicon weight；
(5) impurity distribution calculates
Theoretical molybdenum-iron yield AW=(molybdenum oxide additional amount × M × 99%) ÷ U, M are molybdenum oxide percentage molybdenum contents, and U is to set
Count molybdenum-iron percentage grade；
Design impurity copper Cu percentage composition in molybdenum-iron=(Cu content+ferrosilicon additional amount in molybdenum oxide additional amount × molybdenum oxide
Cu content+fluorite additional amount in Cu content+steel beans additional amount × steel beans in Cu content+iron ore additional amount × iron ore in × ferrosilicon ×
Cu content in Cu content+aluminium powder additional amount × aluminium powder in Cu content+nitre additional amount × nitre in fluorite) × 90% ÷ AW, AW
For theoretical molybdenum-iron yield；
Design impurity S sulphur percentage composition in molybdenum-iron=(S content+ferrosilicon additional amount in molybdenum oxide additional amount × molybdenum oxide ×
S content+fluorite additional amount × fluorite in S content+steel beans additional amount × steel beans in S content+iron ore additional amount × iron ore in ferrosilicon
S content in S content+aluminium powder additional amount × aluminium powder in middle S content+nitre additional amount × nitre) × 70% ÷ AW, AW is theoretical molybdenum
Iron yield；Design impurity P phosphorus percentage composition in molybdenum-iron=(P content+ferrosilicon additional amount × silicon in molybdenum oxide additional amount × molybdenum oxide
P in P content+fluorite additional amount × fluorite in P content+steel beans additional amount × steel beans in P content+iron ore additional amount × iron ore in iron
P content in P content+aluminium powder additional amount × aluminium powder in content+nitre additional amount × nitre) × 85% ÷ AW, AW is theoretical molybdenum-iron
Yield；Design impurity Sn tin percentage composition in molybdenum-iron=(Sn content+ferrosilicon additional amount × silicon in molybdenum oxide additional amount × molybdenum oxide
Sn content+fluorite additional amount × fluorite in Sn content+steel beans additional amount × steel beans in Sn content+iron ore additional amount × iron ore in iron
Sn content in Sn content+aluminium powder additional amount × aluminium powder in middle Sn content+nitre additional amount × nitre) × 60% ÷ AW, AW is reason
By molybdenum-iron yield；
Design impurity Sb antimony percentage composition in molybdenum-iron=(Sb content+ferrosilicon additional amount in molybdenum oxide additional amount × molybdenum oxide
Sb content+fluorite additional amount in Sb content+steel beans additional amount × steel beans in Sb content+iron ore additional amount × iron ore in × ferrosilicon ×
Sb content in Sb content+aluminium powder additional amount × aluminium powder in Sb content+nitre additional amount × nitre in fluorite) × 60% ÷ AW, AW
For theoretical molybdenum-iron yield；
2) step 2: intelligent ingredient
1. producing ferro-molybdenum production technology based on silicothermic process, A, B, C, D, E class data in the database of foundation are being grasped
Make in terminal, the task molybdenum-iron trade mark and molybdenum oxide lot number N, and startup program, calculation processing data are manually entered；
2. automatic search in the database calculates according to the principle of molybdenum oxide grade from low to high, determines 6 kinds of auxiliary materials
Ferrosilicon, iron ore, nitre, fluorite, aluminium powder, steel beans additional amount；
3. operation simultaneously checks furnace charge unit calorific value, compared with the best furnace charge unit calorific value of corresponding season, operation is obtained
If to furnace charge unit calorific value meet best furnace charge unit calorific value, carry out design molybdenum-iron impurity content review in next step；If
It does not meet, by adjusting aluminium powder additional amount H, is adjusted furnace charge unit calorific value, the furnace charge unit calorific value < that operation obtains
Best furnace charge unit calorific value, increases aluminium powder additional amount；The best furnace charge unit fever of the furnace charge unit calorific value > that operation obtains
Amount reduces aluminium powder additional amount, and every 10 batch oxidation molybdenum reselects calculating using 1kg aluminium powder as unit adjustment amount automatically, until meeting
Until；
4. going out to design molybdenum-iron impurity content according to calculated recipe calculation, checked with the task molybdenum-iron trade mark, design
Molybdenum-iron impurity content meets task molybdenum-iron impurity content, carries out ingredient and produces Smelting Ferromolybdenum；Design molybdenum-iron impurity content is not met
2. task molybdenum-iron impurity content, returns to step, continue according to molybdenum oxide grade, recalculate, until meeting.
Further, best furnace charge unit hair when the design molybdenum grade of A class data, different molybdenum oxide grades, Various Seasonal
Heat is as follows:
1. design molybdenum grade >=58%
Molybdenum grade >=55% of raw material molybdenum oxide, furnace charge unit calorific value (summer 1) are 2420 ± 10KJ/Kg, furnace charge list
Position calorific value (winter 2) is 2470 ± 10KJ/Kg；
The molybdenum grade < 55% and >=52% of raw material molybdenum oxide, furnace charge unit calorific value (summer 1) are 2400 ± 10KJ/
Kg, furnace charge unit calorific value (winter 2) are 2450 ± 10KJ/Kg；
The molybdenum grade < 52% and >=42% of raw material molybdenum oxide, furnace charge unit calorific value (summer 1) are 2380 ± 10KJ/
Kg, furnace charge unit calorific value (winter 2) are 2430 ± 10KJ/Kg；
The molybdenum grade < 42% and >=37% of raw material molybdenum oxide, the calorific value of furnace charge unit (summer 1) 2350 ± 10KJ/Kg,
Furnace charge unit calorific value (winter 2) is 2400 ± 10KJ/Kg；
2. when designing molybdenum grade<58% and>=52%
Molybdenum grade >=55% of raw material molybdenum oxide, furnace charge unit calorific value (summer 1) are 2350 ± 10KJ/Kg, furnace charge list
Position calorific value (winter 2) is 2400 ± 10KJ/Kg；
The molybdenum grade < 55% and >=52% of raw material molybdenum oxide, furnace charge unit calorific value (summer 1) are 2330 ± 10KJ/
Kg, furnace charge unit calorific value (winter 2) are 2380 ± 10KJ/Kg；
The molybdenum grade < 52% and >=42% of raw material molybdenum oxide, furnace charge unit calorific value (summer 1) are 2300 ± 10KJ/
Kg, furnace charge unit calorific value (winter 2) are 2350 ± 10KJ/Kg；
The molybdenum grade < 42% and >=37% of raw material molybdenum oxide, the calorific value of furnace charge unit (summer 1) 2250 ± 10KJ/Kg,
Furnace charge unit calorific value (winter 2) is 2300 ± 10KJ/Kg；
3. design molybdenum grade < 58% when and >=52%
3, low cost according to claim 1, high yield produce the intelligent high-efficiency distribution of ferro-molybdenum,
Be characterized in: the different grades of B class data, the ferrosilicon excess coefficient of the molybdenum oxide type of different low price molybdenum contents are as follows:
Molybdenum grade >=57% of raw material molybdenum oxide, low price molybdenum content≤5%, ferrosilicon excess coefficient are 1.01, aluminium powder preliminary examination
Amount is 45kg/1000kg molybdenum oxide；
The molybdenum grade < 57% and >=56% of raw material molybdenum oxide, low price molybdenum content≤5%, ferrosilicon excess coefficient are 1.02,
Aluminium powder preliminary examination amount is 50kg/1000kg molybdenum oxide；
The molybdenum grade < 56% and >=54% of raw material molybdenum oxide, low price molybdenum content≤5%, ferrosilicon excess coefficient are 1.03,
Aluminium powder preliminary examination amount is 55kg/1000kg molybdenum oxide；
The molybdenum grade < 54% and >=50% of raw material molybdenum oxide, low price molybdenum content≤5%, ferrosilicon excess coefficient are 1.08,
Aluminium powder preliminary examination amount is 60kg/1000kg molybdenum oxide；
The molybdenum grade < 50% and >=40% of raw material molybdenum oxide, low price molybdenum content≤5%, ferrosilicon excess coefficient are 1.1, aluminium
Powder preliminary examination amount is 80kg/1000kg molybdenum oxide；
The molybdenum grade < 40% and >=35% of raw material molybdenum oxide, low price molybdenum content≤5%, ferrosilicon excess coefficient are 1.13,
Aluminium powder preliminary examination amount is 100kg/1000kg molybdenum oxide；
Molybdenum grade >=50% of raw material molybdenum oxide, low price molybdenum content > 5% and≤20%, ferrosilicon excess coefficient are 0.97,
Aluminium powder preliminary examination amount is 45kg/1000kg molybdenum oxide；
The molybdenum grade < 50% and >=48% of raw material molybdenum oxide, low price molybdenum content > 5% and≤20%, ferrosilicon excess coefficient
It is 0.99, aluminium powder preliminary examination amount is 55kg/1000kg molybdenum oxide；
The molybdenum grade < 48% and >=46% of raw material molybdenum oxide, low price molybdenum content > 5% and≤20%, ferrosilicon excess coefficient
It is 1.01, aluminium powder preliminary examination amount is 60kg/1000kg molybdenum oxide；
The molybdenum grade < 46% and >=44% of raw material molybdenum oxide, low price molybdenum content > 5% and≤20%, ferrosilicon excess coefficient
It is 1.03, aluminium powder preliminary examination amount is 65kg/1000kg molybdenum oxide；
The molybdenum grade < 44% and >=40% of raw material molybdenum oxide, low price molybdenum content > 5% and≤20%, ferrosilicon excess coefficient
It is 1.05, aluminium powder preliminary examination amount is 85kg/1000kg molybdenum oxide；
The molybdenum grade < 40% and >=35% of raw material molybdenum oxide, low price molybdenum content > 5% and≤20%, ferrosilicon excess coefficient
It is 1.07, aluminium powder preliminary examination amount is 100kg/1000kg molybdenum oxide.
Further, the supplementary material of C class data includes the product of molybdenum oxide, ferrosilicon, iron ore, nitre, fluorite, aluminium powder, steel beans
Position and impurity content；
The grade of steel beans is 98%, and the mass content of impurity S is that the mass content of 0.04%, P is the quality of 0.03%, C
The mass content that the mass content that the mass content that content is 0.1%, Cu is 0.08%, Sb is 0.01%, Sn is 0.01%；
The mass content that the grade of magnetite powder is 90%, Fe is 65%, and the mass content of impurity S is 0.035%, P's
The mass content that the mass content that the mass content that mass content is 0.025%, C is 0.15%, Cu is 0.01%, Sb is
The mass content of 0.01%, Sn are 0.01%；
The grade of fluorite is 85%, and the mass content of impurity S is that the mass content of 0.05%, P is the quality of 0.015%, C
The mass content that the mass content that the mass content that content is 0.2%, Cu is 0.01%, Sb is 0.01%, Sn is 0.01%；
The grade of fluorite is 98.5%, and the mass content of impurity S is that the mass content of 0.01%, P is the matter of 0.01%, C
Amount content be 0.01%, Cu mass content be 0.01%, Sb mass content be 0.01%, Sn mass content be
0.01%；
The grade of aluminium powder is 95%, and the mass content of impurity S is that the mass content of 0.01%, P is the quality of 0.01%, C
The mass content that the mass content that the mass content that content is 0.01%, Cu is 0.2%, Sb is 0.01%, Sn is 0.01%, Fe
Mass content be 1.1%；
Molybdenum oxide grade and the content of impurity S, P, C, Cu are miscellaneous according to the grade and impurity input data of selected molybdenum oxide
The mass content that the mass content of matter Sb is 0.02%, Sn is 0.02%；
The content of ferrosilicon grade powder and impurity S, P, C according to the grade and impurity input data of selected molybdenum oxide, Cu's
The mass content that the mass content that mass content is 0.01%, Sb is 0.01%, Sn is 0.01%.
Further, design molybdenum grade is the minimum for the molybdenum grade that target produces the ferro-molybdenum trade mark and putting down for peak
Mean value.
Further, the ferro-molybdenum trade mark of D class data corresponds to molybdenum grade and impurity requires, designs molybdenum grade；
The ferro-molybdenum trade mark is FeMo70, and design molybdenum grade is 70%；The ferro-molybdenum trade mark is FeMo60-A, FeMo60-B
Or FeMo60-C, design molybdenum grade are 62.5%；The ferro-molybdenum trade mark is FeMo55-A or FeMo55-B, and design molybdenum grade is
57.5%；The ferro-molybdenum trade mark is FeMo50, and design molybdenum grade is 52.5%.
Further, for the calculated multiple groups formula for meeting production, the formula of the preferred corresponding lower limit value of heat, impurity
It is preferred that the formula of corresponding upper limit value.
Further, production smelts molybdenum-iron grade out and designs grade coincidence rate >=99%, impurity qualification rate >=99%,
Molybdenum yield >=99%.
Beneficial effects of the present invention:
Formula design more comprehensively, more optimizes, is more scientific, and intelligence degree is high, high-efficient, prevents human error,
Furnace charge calorific value is made full use of, so that furnace charge spontaneous heating is met production requirement, and maximum magnitude saves cost of material, actual production
The molybdenum-iron grade and design grade Fu He Shuai≤99%, impurity He Ge Shuai≤99%, molybdenum Shou Shuai≤99% smelted out are suitble to industry
Change production application.
Specific embodiment
Embodiment
Step 1: establishing database
A table, including A class data: under the conditions of different molybdenum-irons design molybdenum grade, different molybdenum oxide grades, Various Seasonal
Best furnace charge unit calorific value, environment temperature is defined as winter 2 when being not higher than 0 DEG C, and environment temperature is defined as the summer when being higher than 0 DEG C
Season 1；
B table, B class data include: ferrosilicon excess coefficient, the aluminium of different grades, the molybdenum oxide type of different low price molybdenum contents
Powder preliminary examination amount；
C table, including C class data: since this ferro-molybdenum production technology is the formula based on metal-thermic (silicothermic process)
Production technology, supplementary material include molybdenum oxide, ferrosilicon, iron ore, nitre, fluorite, aluminium powder, steel beans；It therefore include oxidation in C data library
Molybdenum impurity, ferrosilicon grade impurity, iron ore grade impurity, nitre grade impurity, fluorite grade impurity, aluminium powder, the grade of steel beans are miscellaneous
Matter；
D table, including D class data: the ferro-molybdenum trade mark corresponds to molybdenum grade and impurity requires, designs molybdenum grade；
E table, including 0 evidence of E class number: including calculation formula, each 0 kind of parameter 0 etc., including should every 0180 batch to 8
The ferrosilicon additional amount calculation formula of (1000kg) molybdenum oxide, such as batch change, then formula medium multiple relationship corresponding change；
When completing the progress formulation selection calculating of smelting task, firstly, the molybdenum-iron trade mark to be smelted is manually entered, it is divided into seven
A trade mark, this includes molybdenum-iron grade, impurity requirement, also to input the batch of molybdenum oxide, every batch table shows molybdenum oxide additional amount
For 100kg, the batch of input is the integral multiple N of every batch, there is 10 batches, 20 batches, 24 batches, 30 batches, 40 batches etc..Often
With 24 batch, 30 batch, i.e., addition 2400kg or 3000kg molybdenum oxide, the additional amount of other auxiliary materials be corresponding 2400kg or
3000kg molybdenum oxide.A kind of molybdenum oxide is selected in database C class data first, principle is the high molybdenum-iron of the trade mark, preferential to select
The molybdenum oxide that grade is high, impurity is low, the molybdenum oxide that the low molybdenum-iron of the trade mark preferentially selects the low impurity of grade high, according to E in database
Formula in class data, the first step calculate the additional amount of ferrosilicon powder, according to formula one and formula two in E class data in database,
Ferrosilicon excess coefficient is derived from B class data in database, and aluminium powder preliminary examination additional amount is derived from B class data in database, the addition of nitre
Amount is fixed as having more a constant amount on the basis of the additional amount of aluminium powder, and the calculating of this step is related to 4 kinds of materials, molybdenum oxide, ferrosilicon, nitre
Stone, aluminium powder；Second step calculates the additional amount of steel beans according to the formula three in E class data in database, be related to ferrosilicon additional amount and
Iron content in ferrosilicon, the additional amount of Iron Ore Powder based on C class, E class in database and are related to the requirement of the molybdenum-iron trade mark and design molybdenum product
The D class data of position；Third step is according to A class data in database and the first step, second step selection and calculated molybdenum oxide, silicon
The additional amount that the additional amount of the amount of iron, nitre, aluminium powder, steel beans, magnetite powder and Fluorspar Powder corresponds to every batch of molybdenum oxide is constant, core
Calculate the calorific value of unit furnace charge；When unit furnace charge calorific value is unsatisfactory for A class data demand in database, adjust automatically aluminium powder preliminary examination
Amount, until meeting.The adjustment of aluminium powder preliminary examination amount, the best furnace charge unit calorific value of furnace charge unit calorific value < that operation obtains,
Increase aluminium powder additional amount；The best furnace charge unit calorific value of furnace charge unit calorific value > that operation obtains reduces aluminium powder additional amount, often
10 batch oxidation molybdenums are using 1kg aluminium powder as unit adjustment amount；
Based on the formula four in database in E class data；4th step is based in database the molybdenum-iron trade mark 7 in D class data
The impurity content of 7 kinds of supplementary materials in C class data in impurity requirement and database is planted, formula five in E class data in foundation database,
The impurity content in design molybdenum-iron is calculated, principle is formula of the preferential selection close to the molybdenum-iron trade mark requirement impurity content upper limit；If
It does not meet, recalculates, the molybdenum oxide and ferrosilicon of the lower level-one of impurity content are selected, until meeting.The selection of 5th step calculates
After automatic spring meet input molybdenum-iron trade mark requirement 7 kinds of supplementary materials additional amount, be added lot number.For calculated
Meet the multiple groups formula of production, the formula of the preferred corresponding lower limit value of heat, the formula of the preferred corresponding upper limit value of impurity.
Embodiment 1
Ingredient is carried out using above-described embodiment scheme, comprising the following steps:
Step 1: input molybdenum-iron trade mark FeMo60-A, input molybdenum oxide batch are input winter 2 in 24. seasons
Step 2: startup program
Step 3: pop-up formula
Above-mentioned data calculation process is as follows:
JS001: program selectes No. 9 classes, the molybdenum oxide of grade 60.55%, impurity table as above in C class data
JS002: program is in C class data, selected ferrosilicon, and siliceous 66.24%, iron content 16.43%, impurity table as above
JS003: program determines N=8 in B class data and E class data, selectes aluminium powder preliminary examination amount H=45 × 0.8=36
(kg), nitre amount is I=(45+10) × 0.8=44 (kg), and selecting ferrosilicon excess coefficient is 0.97.
JS004: program calculates ferrosilicon additional amount, D=[(5 × 60.55 × 0.8+43.68 according to the formula in E class data
× 0.8+0.37 × (45+10) × 0.8-0.844 × 45 × 0.8)] 0.01143 ÷ of ÷, 66.24 × 0.97 (kg)=337kg
JS005: the formula in program foundation E class data, calculating steel beans additional amount, G=10 × 0.8 [(100 ×
60.55% × 0.99) 62.5%-100 × 60.55% × 0.99 ÷)] -337 × 16.43%-224 × 25%)/0.98=
180(kg)
JS006: for program in C class data, selecting magnetic iron ore additional amount is 280 × 0.8=224kg, and fluorite additional amount is
45 × 0.8=36kg
JS007: program is according to the formula in E class data, unit of account furnace charge calorific value Q=(5533.4 × H+64348.5
× C+362356+8429I) ÷ (1325+G+H+I+D)=2512.4 (KJ/kg)
JS008: program is according to A class number it has been found that 2512.4 > 2470 ± 10KJ/Kg of unit furnace charge calorific value most preferably generates heat
Amount, automatic operation adjust and reduce aluminium powder additional amount to 27kg, and nitre 35kg, ferrosilicon follows automatically becomes 342kg, and at this moment unit furnace charge is sent out
Heat is reduced to 2463KJ/Kg, is only slightly higher than 2460KJ/Kg, meets the requirements.
JS009: program is calculated comparison repeatedly respectively and selectes above-mentioned formula according to molybdenum oxide raw material in database.
JS010: above-mentioned data are 8 batch datas, and 3 times are 24 batch datas, and final calculate determines that formula is No. 9 classes
60.55% molybdenum oxide 2400kg, iron ore 672kg, fluorite 108kg, 66.24% ferrosilicon 1026kg, splashings 540kg, aluminium powder 81kg,
Nitre 105kg.Unit furnace charge calorific value 2463KJ/Kg.
JS011: program is according to C, D, E class data, theoretical molybdenum-iron yield AW=(2400 × 60.55% × 99%) ÷
62.5%=2302kg
JS012: program calculates impurity copper content Cu=2400 × 0.47%+ in molybdenum-iron according to C, D, E class data, design
1026 × 0.01%+672 × 0.01%+540 × 0.08%+108 × 0.01%+105 × 0.01%+81 × 0.2%) × 90%
÷ 2302=(11.28+0.1026+0.0672+0.432+0.0108+0.0105+0.162) × 90% ÷ 2302=0.472% <
0.5%, it is qualified.
JS013: program foundation C, D, E class data, design calculating impurity phosphorus content P=2400 × 0.007%+1026 ×
0.028%+672 × 0.025%+540 × 0.03%+108 × 0.015%+105 × 0.01%+81 × 0.01%) × 90% ÷
2302=(11.28+0.1026+0.0672+0.432+0.0108+0.0105+0.162) × 85% ÷ 2302=0.03% <
0.04%, it is qualified
JS014: program successively calculates impurity element S, C, Sb, Sn design content, meets D according to C, D, E class data
Class data demand is qualified.
JS014: program compares various formula impurity according to molybdenum oxide and other auxiliary materials in database, through calculating repeatedly respectively
Content assert no apparent impurity mass excess.Finally determine the formula.
JS015: pop-up formula
Step 4: practical to smelt result
The present embodiment ferro-molybdenum molybdenum content 60.08% meets standard 60-65% requirement；Molybdenum yield 99.18%；Impurity
It is completely qualified；It is completely qualified.
Embodiment 2
Ingredient is carried out using above-described embodiment scheme, comprising the following steps:
Step 1: input molybdenum-iron trade mark FeMo55-B, input molybdenum oxide batch are input summer 1 in 24. seasons
Step 2: startup program
Step 3: pop-up formula
Step 4: smelting result
The present embodiment ferro-molybdenum molybdenum content 58.02% meets standard 55-60% requirement；Molybdenum yield 99.21%；Impurity
It is completely qualified；It is completely qualified.
Embodiment 3
Ingredient is carried out using above-described embodiment scheme, comprising the following steps:
Step 1: input molybdenum-iron trade mark FeMo50, input molybdenum oxide batch are input summer 1 in 30. seasons
Step 2: startup program
Step 3: pop-up formula
Step 4: smelting result
The present embodiment ferro-molybdenum molybdenum content 53.17% meets standard 50-55% requirement；Molybdenum yield 99.06%；Impurity
It is completely qualified；
Embodiment 4
Ingredient is carried out using above-described embodiment scheme, comprising the following steps:
Step 1: input molybdenum-iron trade mark FeMo60-B, input molybdenum oxide batch are input winter 2 in 24. seasons
Step 2: startup program
Step 3: pop-up formula
Step 4: smelting result
The present embodiment ferro-molybdenum molybdenum content 61.08% meets standard 60-65% requirement；Molybdenum yield 99.13%；Impurity
It is completely qualified.Long great You Mu Ye Co., Ltd, Liaoning Xinhua carries out ingredient production according to the present invention, and practical batch production is smelted out
Molybdenum-iron grade and design grade Fu He Shuai≤99%, impurity He Ge Shuai≤99%, molybdenum Shou Shuai≤99% is verified entirely appropriate
Industrialized production and application.
The above is only specific embodiments of the present invention, are not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.All within the spirits and principles of the present invention, it is made it is any modification,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of low cost, the intelligent high-efficiency distribution for producing ferro-molybdenum in high yield, it is characterised in that: including following step
It is rapid:
1) step 1: database is established, includes: in database
First, A class data: including the best furnace under the conditions of different molybdenum-irons design molybdenum grade, different molybdenum oxide grades, Various Seasonal
The calorific value of material list position；
Second, B class data: including at the beginning of different grades, the ferrosilicon excess coefficient of the molybdenum oxide type of different low price molybdenum contents, aluminium powder
Examination amount；
Third, C class data: the grade of grade and impurity content, the grade of ferrosilicon and impurity content, magnetic iron ore including molybdenum oxide
With impurity content, the grade of nitre and impurity content, the grade of fluorite and impurity content, the grade of aluminium powder and impurity content, steel
The grade and impurity content of beans；
4th, D class database: ferro-molybdenum product grade corresponds to molybdenum grade and impurity requires, designs molybdenum grade；
5th, E class data: auxiliary material ferrosilicon, magnetic iron ore, nitre, fluorite, aluminium including the every 10 batch 1000kg molybdenum oxide of correspondence
Powder, steel beans inventory data；
(1) the inventory F of magnetic iron ore is constant, F=280kg；
The inventory Y of fluorite is constant, Y=45kg；
The additional amount D of ferrosilicon=0.01143 ÷ I of [(5C+43.68+0.37I-0.844H)] ÷3× J (kg), C molybdenum oxide grade
Percentage value, J are ferrosilicon excess coefficient, I3For ferrosilicon percentage grade value, H is aluminium powder additional amount, and I is nitre additional amount, ferrosilicon Si
Grade is between 65-75%；
(2) aluminium powder additional amount H is added according to aluminium powder preliminary examination amount in B class data；
Nitre additional amount I=H+10kg；
(3) steel beans additional amount G={ 10 × [(100 × C% × 0.99) ÷ designs molybdenum-iron molybdenum grade %- (100 × C% × 0.99)]-D
Percentage composition-F × 25% of iron in × ferrosilicon }/0.98 (kg), C molybdenum oxide grade percentage value, D is ferrosilicon additional amount, and F is magnetic
The additional amount of iron ore；
(4) furnace charge unit calorific value Q=(5533.4 × H+64348.5 × C+362356+8429I) ÷ (1325+G+H+I+D)
(KJ/kg), C molybdenum oxide grade percentage value, G steel beans weight, H aluminium powder weight, I nitre weight, D ferrosilicon weight；
(5) impurity distribution calculates
Theoretical molybdenum-iron yield AW=(molybdenum oxide additional amount × M × 99%) ÷ U (kg), M is molybdenum oxide percentage molybdenum content, and U is design
Molybdenum-iron percentage grade；
Design impurity copper Cu percentage composition in molybdenum-iron=(Cu content+ferrosilicon additional amount × ferrosilicon in molybdenum oxide additional amount × molybdenum oxide
Cu content+fluorite additional amount × firefly in Cu content+steel beans additional amount × steel beans in middle Cu content+magnetic iron ore additional amount × magnetic iron ore
Cu content in Cu content+aluminium powder additional amount × aluminium powder in Cu content+nitre additional amount × nitre in stone) × 90% ÷ AW, AW be reason
By molybdenum-iron yield；
Design impurity S sulphur percentage composition=(in molybdenum oxide additional amount × molybdenum oxide in S content+ferrosilicon additional amount × ferrosilicon in molybdenum-iron
S in S content+fluorite additional amount × fluorite in S content+steel beans additional amount × steel beans in S content+magnetic iron ore additional amount × magnetic iron ore
S content in S content+aluminium powder additional amount × aluminium powder in content+nitre additional amount × nitre) × 70% ÷ AW, AW is that theoretical molybdenum-iron produces
Amount；
Design impurity P phosphorus percentage composition=(in molybdenum oxide additional amount × molybdenum oxide in P content+ferrosilicon additional amount × ferrosilicon in molybdenum-iron
P in P content+fluorite additional amount × fluorite in P content+steel beans additional amount × steel beans in P content+magnetic iron ore additional amount × magnetic iron ore
P content in P content+aluminium powder additional amount × aluminium powder in content+nitre additional amount × nitre) × 85% ÷ AW, AW is that theoretical molybdenum-iron produces
Amount；
Design impurity Sn tin percentage composition in molybdenum-iron=(Sn content+ferrosilicon additional amount × ferrosilicon in molybdenum oxide additional amount × molybdenum oxide
Sn content+fluorite additional amount × firefly in Sn content+steel beans additional amount × steel beans in middle Sn content+magnetic iron ore additional amount × magnetic iron ore
Sn content in Sn content+aluminium powder additional amount × aluminium powder in Sn content+nitre additional amount × nitre in stone) × 60% ÷ AW, AW be reason
By molybdenum-iron yield；
Design impurity Sb antimony percentage composition in molybdenum-iron=(Sb content+ferrosilicon additional amount × ferrosilicon in molybdenum oxide additional amount × molybdenum oxide
Sb content+fluorite additional amount × firefly in Sb content+steel beans additional amount × steel beans in middle Sb content+magnetic iron ore additional amount × magnetic iron ore
Sb content in Sb content+aluminium powder additional amount × aluminium powder in Sb content+nitre additional amount × nitre in stone) × 60% ÷ AW, AW be reason
By molybdenum-iron yield；
2) step 2: intelligent ingredient
1. producing ferro-molybdenum production technology based on silicothermic process, A, B, C, D, E class data in the database of foundation are whole in operation
On end, the task molybdenum-iron trade mark and molybdenum oxide lot number N, and startup program, calculation processing data are manually entered；
2. automatic search in the database calculates, determines the silicon of 6 kinds of auxiliary materials according to the principle of molybdenum oxide grade from low to high
Iron, magnetic iron ore, nitre, fluorite, aluminium powder, steel beans additional amount；
3. operation simultaneously checks furnace charge unit calorific value, compared with the best furnace charge unit calorific value of corresponding season, what operation obtained
If furnace charge unit calorific value meets best furnace charge unit calorific value, design molybdenum-iron impurity content review in next step is carried out；If not being inconsistent
It closes, by adjusting aluminium powder additional amount H, is adjusted furnace charge unit calorific value, the furnace charge unit calorific value < that operation obtains is best
Furnace charge unit calorific value increases aluminium powder additional amount；The best furnace charge unit calorific value of furnace charge unit calorific value > that operation obtains, subtracts
Few aluminium powder additional amount, every 10 batch oxidation molybdenum reselect calculating, until meeting using 1kg aluminium powder as unit adjustment amount automatically；
4. going out to design molybdenum-iron impurity content according to calculated recipe calculation, checked with the task molybdenum-iron trade mark, designs molybdenum-iron
Impurity content meets task molybdenum-iron impurity content, carries out ingredient and produces Smelting Ferromolybdenum；Design molybdenum-iron impurity content does not meet task
2. molybdenum-iron impurity content returns to step, continue according to molybdenum oxide grade, recalculate, until meeting.
2. low cost according to claim 1, the intelligent high-efficiency distribution for producing ferro-molybdenum in high yield, feature
Be: best furnace charge unit calorific value is as follows when the design molybdenum grade of A class data, different molybdenum oxide grades, Various Seasonal, environment
Temperature is defined as winter 2 when being not higher than 0 DEG C, environment temperature is defined as summer 1 when being higher than 0 DEG C:
1. design molybdenum grade >=58%
Molybdenum grade >=55% of raw material molybdenum oxide, furnace charge unit calorific value summer 1 are 2420 ± 10KJ/Kg, furnace charge unit calorific value
Winter 2 is 2470 ± 10KJ/Kg；
The molybdenum grade < 55% and >=52% of raw material molybdenum oxide, furnace charge unit calorific value summer 1 are 2400 ± 10KJ/Kg, furnace charge list
Position calorific value winter 2 is 2450 ± 10KJ/Kg；
The molybdenum grade < 52% and >=42% of raw material molybdenum oxide, furnace charge unit calorific value summer 1 are 2380 ± 10KJ/Kg, furnace charge list
Position calorific value winter 2 is 2430 ± 10KJ/Kg；
The molybdenum grade < 42% and >=37% of raw material molybdenum oxide, furnace charge unit calorific value 12350 ± 10KJ/Kg of summer, furnace charge unit
Calorific value winter 2 is 2400 ± 10KJ/Kg；
2. when designing molybdenum grade<58% and>=52%
Molybdenum grade >=55% of raw material molybdenum oxide, furnace charge unit calorific value summer 1 are 2350 ± 10KJ/Kg, furnace charge unit calorific value
Winter 2 is 2400 ± 10KJ/Kg；
The molybdenum grade < 55% and >=52% of raw material molybdenum oxide, furnace charge unit calorific value summer 1 are 2330 ± 10KJ/Kg, furnace charge list
Position calorific value winter 2 is 2380 ± 10KJ/Kg；
The molybdenum grade < 52% and >=42% of raw material molybdenum oxide, furnace charge unit calorific value summer 1 are 2300 ± 10KJ/Kg, furnace charge list
Position calorific value winter 2 is 2350 ± 10KJ/Kg；
The molybdenum grade < 42% and >=37% of raw material molybdenum oxide, furnace charge unit calorific value summer 1 are 2250 ± 10KJ/Kg, furnace charge list
Position calorific value winter 2 is 2300 ± 10KJ/Kg；
3. designing molybdenum Pin Wei≤45% < 52%
Molybdenum grade >=55% of raw material molybdenum oxide, furnace charge unit calorific value summer 1 are 2300 ± 10KJ/Kg, furnace charge unit calorific value
Winter 2 is 2350 ± 10KJ/Kg；
The molybdenum grade < 55% and >=52% of raw material molybdenum oxide, furnace charge unit calorific value summer 1 are 2280 ± 10KJ/Kg, furnace charge list
Position calorific value winter 2 is 2330 ± 10KJ/Kg；
The molybdenum grade < 52% and >=42% of raw material molybdenum oxide, furnace charge unit calorific value summer 1 are 2250 ± 10KJ/Kg, furnace charge list
Position calorific value winter 2 is 2300 ± 10KJ/Kg；
The molybdenum grade < 42% and >=37% of raw material molybdenum oxide, furnace charge unit calorific value summer 1 are 2260 ± 10KJ/Kg, furnace charge list
Position calorific value winter 2 is 2310 ± 10KJ/Kg；
Molybdenum grade >=34% and < 37% of raw material molybdenum oxide, furnace charge unit calorific value summer 1 are 2280 ± 10KJ/Kg, furnace charge list
Position calorific value winter 2 is 2330 ± 10KJ/Kg.
3. low cost according to claim 1, the intelligent high-efficiency distribution for producing ferro-molybdenum in high yield, feature
Be: the different grades of B class data, the ferrosilicon excess coefficient of the molybdenum oxide type of different low price molybdenum contents are as follows:
Molybdenum grade >=57% of raw material molybdenum oxide, low price molybdenum content≤5%, ferrosilicon excess coefficient are 1.01, and aluminium powder preliminary examination amount is 45
Kg/1000kg molybdenum oxide；
The molybdenum grade < 57% and >=56% of raw material molybdenum oxide, low price molybdenum content≤5%, ferrosilicon excess coefficient are 1.02, aluminium powder preliminary examination
Amount is 50kg/1000kg molybdenum oxide；
The molybdenum grade < 56% and >=54% of raw material molybdenum oxide, low price molybdenum content≤5%, ferrosilicon excess coefficient are 1.03, aluminium powder preliminary examination
Amount is 55kg/1000kg molybdenum oxide；
The molybdenum grade < 54% and >=50% of raw material molybdenum oxide, low price molybdenum content≤5%, ferrosilicon excess coefficient are 1.08, aluminium powder preliminary examination
Amount is 60kg/1000kg molybdenum oxide；
The molybdenum grade < 50% and >=40% of raw material molybdenum oxide, low price molybdenum content≤5%, ferrosilicon excess coefficient are 1.1, aluminium powder preliminary examination
Amount is 80kg/1000kg molybdenum oxide；
The molybdenum grade < 40% and >=35% of raw material molybdenum oxide, low price molybdenum content≤5%, ferrosilicon excess coefficient are 1.13, aluminium powder preliminary examination
Amount is 100kg/1000kg molybdenum oxide；
Molybdenum grade >=50% of raw material molybdenum oxide, low price molybdenum content > 5% and≤20%, ferrosilicon excess coefficient are 0.97, aluminium powder preliminary examination
Amount is 45kg/1000kg molybdenum oxide；
The molybdenum grade < 50% and >=48% of raw material molybdenum oxide, low price molybdenum content > 5% and≤20%, ferrosilicon excess coefficient are 0.99,
Aluminium powder preliminary examination amount is 55kg/1000kg molybdenum oxide；
The molybdenum grade < 48% and >=46% of raw material molybdenum oxide, low price molybdenum content > 5% and≤20%, ferrosilicon excess coefficient are 1.01,
Aluminium powder preliminary examination amount is 60kg/1000kg molybdenum oxide；
The molybdenum grade < 46% and >=44% of raw material molybdenum oxide, low price molybdenum content > 5% and≤20%, ferrosilicon excess coefficient are 1.03,
Aluminium powder preliminary examination amount is 65kg/1000kg molybdenum oxide；
The molybdenum grade < 44% and >=40% of raw material molybdenum oxide, low price molybdenum content > 5% and≤20%, ferrosilicon excess coefficient are 1.05,
Aluminium powder preliminary examination amount is 85kg/1000kg molybdenum oxide；
The molybdenum grade < 40% and >=35% of raw material molybdenum oxide, low price molybdenum content > 5% and≤20%, ferrosilicon excess coefficient are 1.07,
Aluminium powder preliminary examination amount is 100kg/1000kg molybdenum oxide.
4. low cost according to claim 1, the intelligent high-efficiency distribution for producing ferro-molybdenum in high yield, feature
Be: the supplementary material of C class data includes that molybdenum oxide, ferrosilicon, magnetic iron ore, nitre, fluorite, aluminium powder, the grade of steel beans and impurity contain
Amount；
The grade of steel beans is 98%, and the mass content that the mass content that the mass content of impurity S is 0.04%, P is 0.03%, C is
The mass content that the mass content that the mass content of 0.1%, Cu are 0.08%, Sb is 0.01%, Sn is 0.01%；
The mass content that the grade of magnetite powder is 90%, Fe is 65%, and the mass content of impurity S is the mass content of 0.035%, P
The mass content that mass content for 0.025%, C is 0.15%, Cu is that the mass content of 0.01%, Sb is the quality of 0.01%, Sn
Content is 0.01%；
The grade of fluorite is 85%, and the mass content that the mass content that the mass content of impurity S is 0.05%, P is 0.015%, C is
The mass content that the mass content that the mass content of 0.2%, Cu are 0.01%, Sb is 0.01%, Sn is 0.01%；
The grade of nitre is 98.5%, and the mass content that the mass content that the mass content of impurity S is 0.01%, P is 0.01%, C is
The mass content that the mass content that the mass content of 0.01%, Cu are 0.01%, Sb is 0.01%, Sn is 0.01%；
The grade of aluminium powder is 95%, and the mass content that the mass content that the mass content of impurity S is 0.01%, P is 0.01%, C is
The mass content that the mass content of 0.01%, Cu are 0.2%, Sb is that the mass content of 0.01%, Sn is the mass content of 0.01%, Fe
It is 1.1%；
The grade and impurity input data of molybdenum oxide grade and the content of impurity S, P, C, Cu according to selected molybdenum oxide, impurity Sb
Mass content be 0.02%, Sn mass content be 0.02%；
Grade and impurity input data of the content of ferrosilicon grade powder and impurity S, P, C according to selected molybdenum oxide, the quality of Cu
The mass content that the mass content that content is 0.01%, Sb is 0.01%, Sn is 0.01%.
5. low cost according to claim 1, the intelligent high-efficiency distribution for producing ferro-molybdenum in high yield, feature
Be: design molybdenum grade is the minimum for the molybdenum grade that target produces the ferro-molybdenum trade mark and the average value of peak.
6. low cost according to claim 1, the intelligent high-efficiency distribution for producing ferro-molybdenum in high yield, feature
Be: the ferro-molybdenum trade mark of D class data corresponds to molybdenum grade and impurity requires, designs molybdenum grade；
The ferro-molybdenum trade mark is FeMo70, and design molybdenum grade is 70%；The ferro-molybdenum trade mark be FeMo60-A, FeMo60-B or
FeMo60-C, design molybdenum grade are 62.5%；The ferro-molybdenum trade mark is FeMo55-A or FeMo55-B, and design molybdenum grade is
57.5%；The ferro-molybdenum trade mark is FeMo50, and design molybdenum grade is 52.5%.
7. low cost according to claim 1, the intelligent high-efficiency distribution for producing ferro-molybdenum in high yield, feature
Be: for the calculated multiple groups formula for meeting production, the formula for being selected as corresponding lower limit value of heat, impurity is selected as pair
Answer the formula of upper limit value.
8. low cost according to claim 1, the intelligent high-efficiency distribution for producing ferro-molybdenum in high yield, feature
Be: molybdenum-iron grade and design grade coincidence rate >=99% out, impurity qualification rate >=99%, molybdenum yield >=99% are smelted in production.
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5948137A (en) * | 1998-07-23 | 1999-09-07 | The David J. Joseph Company | Scrap metal measuring and weighing process and apparatus |
| CN101270412A (en) * | 2008-04-17 | 2008-09-24 | 上海交通大学 | Method for producing using aluminum gray and coal gangue composite castoff |
| CN101349912A (en) * | 2008-09-05 | 2009-01-21 | 中冶北方工程技术有限公司 | Automatic control system of sintered plant mixture making according to chemical composition |
| CN101525687A (en) * | 2009-04-24 | 2009-09-09 | 山西太钢不锈钢股份有限公司 | On-line ingredient comprehensive balance adjustment method of sintering production |
| CN101838734A (en) * | 2010-06-11 | 2010-09-22 | 重庆大学 | Sintering ore burdening method |
| CN102534273A (en) * | 2012-01-01 | 2012-07-04 | 洛阳钼业集团金属材料有限公司 | Process for smelting ferromolybdenum through silico-aluminum thermic method |
| CN205394797U (en) * | 2016-02-17 | 2016-07-27 | 赣州市天力电子科技有限责任公司 | Energy -efficient brick and tile automatic blending control system |
-
2018
- 2018-03-22 CN CN201810239466.5A patent/CN108441634B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5948137A (en) * | 1998-07-23 | 1999-09-07 | The David J. Joseph Company | Scrap metal measuring and weighing process and apparatus |
| CN101270412A (en) * | 2008-04-17 | 2008-09-24 | 上海交通大学 | Method for producing using aluminum gray and coal gangue composite castoff |
| CN101349912A (en) * | 2008-09-05 | 2009-01-21 | 中冶北方工程技术有限公司 | Automatic control system of sintered plant mixture making according to chemical composition |
| CN101525687A (en) * | 2009-04-24 | 2009-09-09 | 山西太钢不锈钢股份有限公司 | On-line ingredient comprehensive balance adjustment method of sintering production |
| CN101838734A (en) * | 2010-06-11 | 2010-09-22 | 重庆大学 | Sintering ore burdening method |
| CN102534273A (en) * | 2012-01-01 | 2012-07-04 | 洛阳钼业集团金属材料有限公司 | Process for smelting ferromolybdenum through silico-aluminum thermic method |
| CN205394797U (en) * | 2016-02-17 | 2016-07-27 | 赣州市天力电子科技有限责任公司 | Energy -efficient brick and tile automatic blending control system |
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