CN108441634A - 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 is manually entered the task molybdenum-iron trade mark and molybdenum oxide lot number N in operating terminal, and startup program, calculation processing data；Automatic search in the database calculates, the ferrosilicon of determining 6 kinds of auxiliary materials, iron ore, nitre, fluorite, aluminium powder, steel beans addition；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：Make formula design more comprehensively, more optimization, more science, prevent human error, make full use of furnace charge calorific value, can maximum magnitude save cost of material, the molybdenum-iron grade and design grade Fu He Shuai≤99%, 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 technology
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, reacts energy self-heating once igniting and carry 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 computational methods, and based on the experience of smelting technique personnel, screening calculates adding for supplementary material
Enter amount, is 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 wastes.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.
Invention content
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, make formula design more comprehensively, more optimization, more science, prevent human error, furnace charge made full use of to generate heat
Amount, can maximum magnitude save cost of material, the molybdenum-iron grade that 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, includes the following steps：
1) step 1：Database is established, database includes：
First, A class data：Including the best stove under the conditions of different molybdenum-irons design molybdenum grade, different molybdenum oxide grades, Various Seasonal
The calorific value of material list position, 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：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：Include auxiliary material ferrosilicon, magnetic iron ore, nitre, fluorite, the aluminium of the every 10 batch 1000kg molybdenum oxides of correspondence
Powder, steel beans inventory data；Other are multiplied by corresponding coefficient in batches.
(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 addition 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 (the i.e. siliceous I of ferrosilicon3%), H
For aluminium powder addition, I is nitre addition, and ferrosilicon Si grades are between 65-75%；
(2) aluminium powder addition H is added according to aluminium powder preliminary examination amount in B class data；
Nitre addition I=H+10kg；
(3) steel beans addition 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 values, G1 be ferrosilicon be added
Amount, F1 are the addition 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 oxides 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 addition × M × 99%) ÷ U, M are molybdenum oxide percentage molybdenum contents, and U is design molybdenum
Iron percentage grade；
Design impurity copper Cu percentage compositions in molybdenum-iron=(Cu contents+ferrosilicon addition × silicon in molybdenum oxide addition × molybdenum oxide
Cu contents+fluorite addition × fluorite in Cu contents+steel beans addition × steel beans in Cu contents+iron ore addition × iron ore in iron
Cu contents in Cu contents+aluminium powder addition × aluminium powder in middle Cu contents+nitre addition × nitre) × 90% ÷ AW, AW is reason
By molybdenum-iron yield；
Design impurity S sulphur percentage composition in molybdenum-iron=(S contents+ferrosilicon addition × ferrosilicon in molybdenum oxide addition × molybdenum oxide
S contains in S contents+fluorite addition × fluorite in S contents+steel beans addition × steel beans in middle S contents+iron ore addition × iron ore
S contents in S contents+aluminium powder addition × aluminium powder in amount+nitre addition × nitre) × 70% ÷ AW, AW is that theoretical molybdenum-iron produces
Amount；Design impurity P phosphorus percentage composition=(in molybdenum oxide addition × molybdenum oxide in P content+ferrosilicon addition × ferrosilicon in molybdenum-iron
P content in P content+fluorite addition × fluorite in P content+steel beans addition × steel beans in P content+iron ore addition × iron ore
P content in P content+aluminium powder addition × aluminium powder in+nitre addition × nitre) × 85% ÷ AW, AW is theoretical molybdenum-iron yield；
Design impurity Sn tin percentage composition=(in molybdenum oxide addition × molybdenum oxide in Sn contents+ferrosilicon addition × ferrosilicon in molybdenum-iron
Sn in Sn contents+fluorite addition × fluorite in Sn contents+steel beans addition × steel beans in Sn contents+iron ore addition × iron ore
Sn contents in Sn contents+aluminium powder addition × aluminium powder in content+nitre addition × nitre) × 60% ÷ AW, AW is theoretical molybdenum
Iron yield；
Design impurity Sb antimony percentage composition in molybdenum-iron=(Sb contents+ferrosilicon addition × silicon in molybdenum oxide addition × molybdenum oxide
Sb contents+fluorite addition × fluorite in Sb contents+steel beans addition × steel beans in Sb contents+iron ore addition × iron ore in iron
Sb contents in Sb contents+aluminium powder addition × aluminium powder in middle Sb contents+nitre addition × nitre) × 60% ÷ AW, AW is reason
By molybdenum-iron yield；
2) step 2：Intelligent dispensing
1. based on silicothermic process production ferro-molybdenum production technology, A, B, C, D, E class data in the database of foundation are whole in operation
On end, it is manually entered the task molybdenum-iron trade mark and molybdenum oxide lot number N, and startup program, calculation processing data；
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, iron ore, nitre, fluorite, aluminium powder, steel beans addition；
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 addition 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 addition；The best furnace charge unit calorific values of furnace charge unit calorific value ＞ that operation obtains, subtract
Few aluminium powder addition, every 10 batch oxidation molybdenum reselect calculating, until meeting automatically using 1kg aluminium powders as unit adjustment amount；
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 dispensing 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.
Further, best furnace charge unit hair when the design molybdenum grade of A classes 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 unit hair
Heat (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, stove
Material 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, stove
Material list position calorific value (winter 2) is 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. designing molybdenum grade<When 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 hair
Heat (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, stove
Material 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, stove
Material list position calorific value (winter 2) is 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, feature
It is：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
45kg/1000kg molybdenum oxides；
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 oxides；
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 oxides；
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 oxides；
The molybdenum grade ＜ 50% and >=40% of raw material molybdenum oxide, low price molybdenum content≤5%, ferrosilicon excess coefficient are 1.1, at the beginning of aluminium powder
Examination amount is 80kg/1000kg molybdenum oxides；
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 oxides；
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 oxides；
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 oxides；
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 oxides；
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 oxides；
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 oxides；
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 oxides.
Further, the supplementary material of C classes 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 it is the mass content of 0.03%, C that the mass content of impurity S, which is the mass content of 0.04%, P,
The mass content that the mass content that mass content for 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 the quality of 0.035%, P
The mass content that the mass content that the mass content that content is 0.025%, C is 0.15%, Cu is 0.01%, Sb is 0.01%,
The mass content of Sn is 0.01%；
The grade of fluorite is 85%, and it is the mass content of 0.015%, C that the mass content of impurity S, which is the mass content of 0.05%, P,
The mass content that the mass content that mass content for 0.2%, Cu is 0.01%, Sb is 0.01%, Sn is 0.01%；
The grade of fluorite is 98.5%, and the quality that the mass content that the mass content of impurity S is 0.01%, P is 0.01%, C contains
The mass content that the mass content that the mass content that amount is 0.01%, Cu is 0.01%, Sb is 0.01%, Sn is 0.01%；
The grade of aluminium powder is 95%, and it is the mass content of 0.01%, C that the mass content of impurity S, which is the mass content of 0.01%, P,
The mass content that mass content for 0.01%, Cu is 0.2%, Sb is that the mass content of 0.01%, Sn is the matter of 0.01%, Fe
It is 1.1% to measure content；
Molybdenum oxide grade and the content of impurity S, P, C, Cu are according to the grade and impurity input data of selected molybdenum oxide, impurity Sb
Mass content be 0.02%, Sn mass content be 0.02%；
The content of ferrosilicon grade powder and impurity S, P, C are according to the grade and impurity input data of 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%.
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 classes 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%.
Further, for the calculated multigroup formula for meeting production, heat preferably corresponds to the formula of lower limiting value, impurity
It is preferred that the formula of corresponding upper limit value.
Further, production smelts the molybdenum-iron grade and designs grade coincidence rate >=99%, impurity qualification rate >=99%,
Molybdenum yield >=99%.
Beneficial effects of the present invention：
Formula design more comprehensively, more optimization, more science, intelligence degree is high, efficient, prevents human error, fully
Using furnace charge calorific value, furnace charge spontaneous heating is set to meet production requirement, and maximum magnitude saves cost of material, actual production is smelted
The molybdenum-iron grade gone out closes lattice rate≤99% with design grade symbol conjunction rate≤99%, impurity, and molybdenum receipts rate≤99% is suitble to industry metaplasia
Production application.
Specific implementation mode
Embodiment
Step 1：Establish database
A tables, including A class data：Including under the conditions of different molybdenum-irons design molybdenum grade, different molybdenum oxide grades, 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；
B tables, B class data include：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；
C tables, including C class data：Since this ferro-molybdenum production technology is that the formula based on metal-thermic (silicothermic process) produces
Technique, supplementary material include molybdenum oxide, ferrosilicon, iron ore, nitre, fluorite, aluminium powder, steel beans；Therefore C data library includes that molybdenum oxide is miscellaneous
The grade impurity of matter, ferrosilicon grade impurity, iron ore grade impurity, nitre grade impurity, fluorite grade impurity, aluminium powder, steel beans；
D tables, including D class data：The ferro-molybdenum trade mark corresponds to molybdenum grade and impurity requires, designs molybdenum grade；
E tables, including 0 evidence of E class numbers：Including calculation formula, each 0 kind of parameter 0 etc., including should every 0180 batch (1000kg) oxygen to 8
Change the ferrosilicon addition calculation formula of molybdenum, such as batch changes, then formula medium multiple relationship respective change；
When completing the progress formulation selection calculating of smelting task, first, it is manually entered the molybdenum-iron trade mark to be smelted, is divided into seven boards
Number, this includes molybdenum-iron grade, impurity requirement, also to input the batch of molybdenum oxide, shows that molybdenum oxide addition is per batch table
100kg, the batch of input are the integral multiple N per batch, there is 10 batches, 20 batches, 24 batches, 30 batches, 40 batches etc..It is common
24 batches, 30 batches, that is, be added 2400kg or 3000kg molybdenum oxides, the additions of other auxiliary materials be corresponding 2400kg or
3000kg molybdenum oxides.It is the high molybdenum-iron of the trade mark to select a kind of molybdenum oxide, principle in database C class data first, 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 addition of ferrosilicon powder, according to formula one and formula two in E class data in database,
Ferrosilicon excess coefficient is derived from B classes data in database, and aluminium powder preliminary examination addition is derived from B classes data in database, the addition of nitre
Amount is fixed as having more a constant amount on the basis of the addition 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 addition of steel beans according to the formula three in E class data in database, be related to ferrosilicon addition and
Iron content in ferrosilicon, the addition of Iron Ore Powder based on C classes, E classes 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 classes data in the database and first step, second step selection and calculated molybdenum oxide, silicon
The addition that the addition 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 unit furnace charge calorific value；When unit furnace charge calorific value is unsatisfactory for A classes 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 values of furnace charge unit calorific value ＜ that operation obtains,
Increase aluminium powder addition；The best furnace charge unit calorific values of furnace charge unit calorific value ＞ that operation obtains reduce aluminium powder addition, often
10 batch oxidation molybdenums are using 1kg aluminium powders as unit adjustment amount；
Based on the formula four in E classes data in database；4th step is miscellaneous based on 7 kinds of the molybdenum-iron trade mark in D class data in database
The impurity content of 7 kinds of supplementary materials is calculated according to formula five in E class data in database in C class data in matter requirement and database
The impurity content in molybdenum-iron is designed, principle is formula of the preferential selection close to the molybdenum-iron trade mark requirement impurity content upper limit；If not being inconsistent
It closes, recalculates, the molybdenum oxide and ferrosilicon of the lower level-one of impurity content are selected, until meeting.The selection of 5th step, which calculates, to be finished
Automatic spring meets the addition of 7 kinds of supplementary materials of the molybdenum-iron trade mark requirement of input, lot number is added afterwards.For calculated satisfaction
Multigroup formula of production, heat preferably correspond to the formula of lower limiting value, and impurity preferably corresponds to the formula of upper limit value.
Embodiment 1
Dispensing is carried out using above-described embodiment scheme, is included the following steps：
Step 1：Molybdenum-iron trade mark FeMo60-A is inputted, input molybdenum oxide batch is to 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 such as upper table in C class data
JS002：Program is in C class data, selected ferrosilicon, and siliceous 66.24%, iron content 16.43%, impurity such as upper table
JS003：Program determines N=8 in B classes 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 it is 0.97 to select ferrosilicon excess coefficient.
JS004：Formula in program foundation E class data, calculating ferrosilicon addition, D=[(5 × 60.55 × 0.8+43.68 ×
0.8+0.37 × (45+10) × 0.8-0.844 × 45 × 0.8)] 0.01143 ÷ of ÷, 66.24 × 0.97 (kg)=337kg
JS005：Formula in program foundation E class data, calculating steel beans addition, 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, it is 280 × 0.8=224kg to select magnetic iron ore addition, fluorite addition 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 classes number it has been found that unit furnace charge calorific value 2512.4>The best calorific values of 2470 ± 10KJ/Kg, from
Dynamic operation adjusts and reduce aluminium powder addition to 27kg, and nitre 35kg, ferrosilicon follows automatically becomes 342kg, at this moment the calorific value of unit furnace charge
It is reduced to 2463KJ/Kg, is only slightly higher than 2460KJ/Kg, is met the requirements.
JS009：Program selectes above-mentioned formula according to molybdenum oxide raw material in database, through calculating comparison repeatedly respectively.
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 according to C, D, E class data, design calculate impurity copper content Cu=2400 × 0.47%+1026 in molybdenum-iron ×
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 calculates impurity element S, C, Sb, Sn design content, meets D class numbers successively according to C, D, E class data
It is qualified according to requiring.
JS014：Program contains according to molybdenum oxide and other auxiliary materials in database through calculating the various formula impurity of comparison repeatedly respectively
Amount assert no apparent impurity mass excess.Finally determine the formula.
JS015：Pop-up formula
Step 4：It is practical to smelt result
The present embodiment ferro-molybdenum molybdenum content 60.08% meets standard 60-65% requirements；Molybdenum yield 99.18%；Impurity is complete
It is qualified；It is completely qualified.
Embodiment 2
Dispensing is carried out using above-described embodiment scheme, is included the following steps：
Step 1：Molybdenum-iron trade mark FeMo55-B is inputted, input molybdenum oxide batch is to input summer 1 in 24. seasons
Step 2：Startup program
Step 3：Pop-up formula
Step 4：Smelt result
The present embodiment ferro-molybdenum molybdenum content 58.02% meets standard 55-60% requirements；Molybdenum yield 99.21%；Impurity is complete
It is qualified；It is completely qualified.
Embodiment 3
Dispensing is carried out using above-described embodiment scheme, is included the following steps：
Step 1：Molybdenum-iron trade mark FeMo50 is inputted, input molybdenum oxide batch is to input summer 1 in 30. seasons
Step 2：Startup program
Step 3：Pop-up formula
Step 4：Smelt result
The present embodiment ferro-molybdenum molybdenum content 53.17% meets standard 50-55% requirements；Molybdenum yield 99.06%；Impurity is complete
It is qualified；
Embodiment 4
Dispensing is carried out using above-described embodiment scheme, is included the following steps：
Step 1：Molybdenum-iron trade mark FeMo60-B is inputted, input molybdenum oxide batch is to input winter 2 in 24. seasons
Step 2：Startup program
Step 3：Pop-up formula
Step 4：Smelt result
The present embodiment ferro-molybdenum molybdenum content 61.08% meets standard 60-65% requirements；Molybdenum yield 99.13%；Impurity is complete
It is qualified.Liaoning Xinhua Long great You Mu industry Co., Ltd carries out dispensing production according to the present invention, and the molybdenum is smelted in practical batch production
Iron grade and design grade Fu He Shuai≤99%, impurity He Ge Shuai≤99%, molybdenum Shou Shuai≤99%, verified entirely appropriate industry
Change production application.
It these are only specific embodiments of the present invention, be not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.Any modification made by all within the spirits and principles of the present invention,
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
Suddenly：1) step 1：Database is established, database includes：
First, A class data：Including the best stove 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：Include auxiliary material ferrosilicon, magnetic iron ore, nitre, fluorite, the aluminium of the every 10 batch 1000kg molybdenum oxides of correspondence
Powder, steel beans inventory data；
(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 addition D=[(5C+43.68+0.37I-0.844H)] ÷ of ferrosilicon3× J (kg), C molybdenum oxides grade hundred
Score value, J are ferrosilicon excess coefficient, I3For ferrosilicon percentage grade value, H is aluminium powder addition, and I is nitre addition, ferrosilicon Si product
Position is between 65-75%；
(2) aluminium powder addition H is added according to aluminium powder preliminary examination amount in B class data；
Nitre addition I=H+10kg；
(3) steel beans addition 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 (kg), C molybdenum oxide grade percentage values, G1 is ferrosilicon
Addition, F1 are the addition 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 oxides 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 addition × M × 99%) ÷ U (kg), M are molybdenum oxide percentage molybdenum contents, and U is to set
Count molybdenum-iron percentage grade；
Design impurity copper Cu percentage compositions in molybdenum-iron=(Cu contents+ferrosilicon addition × silicon in molybdenum oxide addition × molybdenum oxide
Cu contents+fluorite addition × fluorite in Cu contents+steel beans addition × steel beans in Cu contents+iron ore addition × iron ore in iron
Cu contents in Cu contents+aluminium powder addition × aluminium powder in middle Cu contents+nitre addition × nitre) × 90% ÷ AW, AW is reason
By molybdenum-iron yield；
Design impurity S sulphur percentage composition in molybdenum-iron=(S contents+ferrosilicon addition × ferrosilicon in molybdenum oxide addition × molybdenum oxide
S contains in S contents+fluorite addition × fluorite in S contents+steel beans addition × steel beans in middle S contents+iron ore addition × iron ore
S contents in S contents+aluminium powder addition × aluminium powder in amount+nitre addition × nitre) × 70% ÷ AW, AW is that theoretical molybdenum-iron produces
Amount；
Design impurity P phosphorus percentage composition in molybdenum-iron=(P content+ferrosilicon addition × ferrosilicon in molybdenum oxide addition × molybdenum oxide
P contains in P content+fluorite addition × fluorite in P content+steel beans addition × steel beans in middle P content+iron ore addition × iron ore
P content in P content+aluminium powder addition × aluminium powder in amount+nitre addition × nitre) × 85% ÷ AW, AW is that theoretical molybdenum-iron produces
Amount；
Design impurity Sn tin percentage composition in molybdenum-iron=(Sn contents+ferrosilicon addition × silicon in molybdenum oxide addition × molybdenum oxide
Sn contents+fluorite addition × fluorite in Sn contents+steel beans addition × steel beans in Sn contents+iron ore addition × iron ore in iron
Sn contents in Sn contents+aluminium powder addition × aluminium powder in middle Sn contents+nitre addition × nitre) × 60% ÷ AW, AW is reason
By molybdenum-iron yield；
Design impurity Sb antimony percentage composition in molybdenum-iron=(Sb contents+ferrosilicon addition × silicon in molybdenum oxide addition × molybdenum oxide
Sb contents+fluorite addition × fluorite in Sb contents+steel beans addition × steel beans in Sb contents+iron ore addition × iron ore in iron
Sb contents in Sb contents+aluminium powder addition × aluminium powder in middle Sb contents+nitre addition × nitre) × 60% ÷ AW, AW is reason
By molybdenum-iron yield；
2) step 2：Intelligent dispensing
1. based on silicothermic process production ferro-molybdenum production technology, A, B, C, D, E class data in the database of foundation are whole in operation
On end, it is manually entered the task molybdenum-iron trade mark and molybdenum oxide lot number N, and startup program, calculation processing data；
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, iron ore, nitre, fluorite, aluminium powder, steel beans addition；
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 addition 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 addition；The best furnace charge unit calorific values of furnace charge unit calorific value ＞ that operation obtains, subtract
Few aluminium powder addition, every 10 batch oxidation molybdenum reselect calculating, until meeting automatically using 1kg aluminium powders as unit adjustment amount；
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 dispensing 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
It is：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
Winter 2 is defined as when degree is 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, the fever of furnace charge unit
Amount 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 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
Unit 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 list
Position calorific value winter 2 is 2400 ± 10KJ/Kg；
2. designing molybdenum grade<When 58% and >=52%
Molybdenum grade >=55% of raw material molybdenum oxide, furnace charge unit calorific value summer 1 are 2350 ± 10KJ/Kg, the fever of furnace charge unit
Amount 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 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
Unit 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
Unit calorific value winter 2 is 2300 ± 10KJ/Kg；
3. design molybdenum grade ＜ 58% when and >=52%
3. low cost according to claim 1, the intelligent high-efficiency distribution for producing ferro-molybdenum in high yield, feature
It is：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
45kg/1000kg molybdenum oxides；
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 oxides；
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 oxides；
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 oxides；
The molybdenum grade ＜ 50% and >=40% of raw material molybdenum oxide, low price molybdenum content≤5%, ferrosilicon excess coefficient are 1.1, at the beginning of aluminium powder
Examination amount is 80kg/1000kg molybdenum oxides；
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 oxides；
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 oxides；
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 oxides；
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 oxides；
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 oxides；
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 oxides；
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 oxides.
4. low cost according to claim 1, the intelligent high-efficiency distribution for producing ferro-molybdenum in high yield, feature
It is:The supplementary material of C class data includes molybdenum oxide, ferrosilicon, iron ore, nitre, fluorite, aluminium powder, the grade of steel beans and impurity content；
The grade of steel beans is 98%, and it is the mass content of 0.03%, C that the mass content of impurity S, which is the mass content of 0.04%, P,
The mass content that the mass content that mass content for 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 the quality of 0.035%, P
The mass content that the mass content that the mass content that content is 0.025%, C is 0.15%, Cu is 0.01%, Sb is 0.01%,
The mass content of Sn is 0.01%；
The grade of fluorite is 85%, and it is the mass content of 0.015%, C that the mass content of impurity S, which is the mass content of 0.05%, P,
The mass content that the mass content that mass content for 0.2%, Cu is 0.01%, Sb is 0.01%, Sn is 0.01%；
The grade of fluorite is 98.5%, and the quality that the mass content that the mass content of impurity S is 0.01%, P is 0.01%, C contains
The mass content that the mass content that the mass content that amount is 0.01%, Cu is 0.01%, Sb is 0.01%, Sn is 0.01%；
The grade of aluminium powder is 95%, and it is the mass content of 0.01%, C that the mass content of impurity S, which is the mass content of 0.01%, P,
The mass content that mass content for 0.01%, Cu is 0.2%, Sb is that the mass content of 0.01%, Sn is the matter of 0.01%, Fe
It is 1.1% to measure content；
Molybdenum oxide grade and the content of impurity S, P, C, Cu are according to the grade and impurity input data of selected molybdenum oxide, impurity Sb
Mass content be 0.02%, Sn mass content be 0.02%；
The content of ferrosilicon grade powder and impurity S, P, C are according to the grade and impurity input data of 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
It is：Design the average value of minimum and peak that molybdenum grade is the molybdenum grade that target produces the ferro-molybdenum trade mark.
6. a kind of ferro-molybdenum intelligence according to claim 1 is formulated high-efficient production technology, it is characterized in that：D class data
The ferro-molybdenum trade mark correspond to molybdenum grade and impurity require, design 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. a kind of ferro-molybdenum intelligence according to claim 1 is formulated high-efficient production technology, it is characterized in that：For calculating
Multigroup formula of the satisfaction production gone out, heat preferably correspond to the formula of lower limiting value, and impurity preferably corresponds to the formula of upper limit value.
8. a kind of ferro-molybdenum intelligence according to claim 1 is formulated high-efficient production technology, it is characterized in that：Production is smelted
The molybdenum-iron grade gone out and design grade coincidence rate >=99%, impurity qualification rate >=99%, molybdenum yield >=99%.
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