CN103898271A - Automatic weighing control method used for stock bin of converter alloy production system - Google Patents
Automatic weighing control method used for stock bin of converter alloy production system Download PDFInfo
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- CN103898271A CN103898271A CN201210572919.9A CN201210572919A CN103898271A CN 103898271 A CN103898271 A CN 103898271A CN 201210572919 A CN201210572919 A CN 201210572919A CN 103898271 A CN103898271 A CN 103898271A
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Abstract
An automatic weighing control method used for a stock bin of a converter alloy production system is provided. The automatic weighing control method comprises steps of: 1) establishing controlling criteria according to a predetermined alloy adding mark and an adding amount, namely, establishing a blowing time criterion through a time system and establishing an oxygen blowing amount criterion through an oxygen amount system; 2) calculating and distinguishing weighing time sections into a weighing time section in a blowing process and a weighing time section of a tapping process according to the blowing time criterion and the oxygen blowing amount criterion; 3) according to obtained data of the weighing time section in the blowing process and obtained data of the weighing time section in the tapping process, subjecting the data of the two time sections to weighing time section primary calculation and artificially affirming and revising calculations; and 4) inputting the calculations into a controlled weighing machine and a weighing hopper and performing automatic weighing. The automatic weighing control method can meet automatic weighing requirements of weighing all alloys comprising aluminum series alloys that have complex processes, can reduce errors, and can improve the whole level of converter alloying operation, and is suitable for the field of converter weighing of various alloys.
Description
Technical field
The present invention relates to a kind of production operation control method, relate in particular to a kind of feed bin automatic weighing control method that is applied to the converter alloy production system in Iron and Steel Production field.
Background technology
At present, generally there are 12 to 20 feed bins in the converter alloy production system of each steel production enterprise, the corresponding weigh bridge of every 3 to 4 feed bins, alloy is delivered to scale hooper through vibro-feeder from feed bin, after being weighed by weigh bridge, be delivered to middle hopper through vibratory feeder, when converter tapping, cut out in ladle.
The alloy feed bin of the converter alloy production system under prior art and the control to weigh bridge, more advanced converter Alloy Steel Plant adopts artificial or semi-automatic mode conventionally both at home and abroad, alloy designations, weighing value, weighing moment are set on PLC to artificial directly control by operative employee.
But execute-in-place workman find in actual application, there is following defect in the weighing mode of the artificial or semi-automatic mode under prior art:
1, artificial or semi-automatic weighing mode wastes time and energy, and has greatly extended the waiting time;
2, each converter is required inconsistent, the artificial or semi-automatic converter alloy production system that is difficult to tackle different demands;
3, weigh due to operator's level difference, individual operations differs greatly, and has caused weighing data inaccurate, has directly affected carrying out smoothly of subsequent production.
In sum, now need a kind of novel weighing technique, can fast and effeciently weigh the feed bin of converter alloy production system, and it is controlled reliable to weigh benchmark, and can eliminate due to the individual difference of bringing due to operator's level difference.
Summary of the invention
Weigh all drawbacks of mode in order to solve the artificial or semi-automatic mode of the converter alloy production system under prior art, the invention provides a kind of feed bin automatic weighing control method of converter alloy production system, adopt duration of blast benchmark and the accurate control techniques of oxygen amount benchmark double-basis, alloy weighs sequence list control techniques and the virtual feed bin control techniques of aluminum series alloy automatic weighing, realize converter alloy and weighed full automatic control, system is according to the practical situation formation control decision-making of every stove steel, automatically produce Weighting and Controlling pattern, and control alloy weigh bridge and carry out, change converter alloy and weighed the traditional method that adopts manual or semi-automatic operation, thereby by alloying regularized operation, stdn, automatization, improve the individual state of the art deviation of operator, be conducive to improve the integral level of converter alloying operation, stablizing converter produces.Concrete steps of the present invention are as described below:
A feed bin automatic weighing control method for converter alloy production system, comprises and determines that in advance alloy adds the trade mark and addition thereof, and its concrete steps are as follows:
1) add the trade mark and addition according to pre-determined alloy, set up and control benchmark, described control benchmark is respectively, and sets up duration of blast benchmark and by oxygen amount system made blowing oxygen quantity benchmark by time system;
2) according to the duration of blast benchmark in step 1 and blowing oxygen quantity benchmark and distinguish and weigh the time period, the described weighing time period is, the weighing time period in the weighing time period in converting process and tapping;
3) according to the data of the weighing time period in the data of the weighing time period in the converting process obtaining in step 2 and tapping, these two data are weighed to time period predesigne, and calculation result is carried out to manual confirmation and revision;
4) by calculation result input control weigh bridge and the scale hooper through manual confirmation and the revision that obtain in step 3, carry out automatic weighing.
According to the feed bin automatic weighing control method of a kind of converter alloy production system of the present invention, it is characterized in that, described duration of blast benchmark is specially, set up oxygen blast per-cent and duration of blast mapping table, form length is divided into 100 sections, represent from duration of blast in seconds corresponding to the blowing oxygen quantity of every 1 percentage point of oxygen blast per-cent from 1% to 100%, duration of blast is carried out to circulative accumulation addition calculation, , calculate every 1% blowing oxygen quantity required time cumulative addition from initial oxygen blast flow, the oxygen blast per-cent that aggregate-value is corresponding can be extrapolated current blowing oxygen quantity, write corresponding position in oxygen blast per-cent and duration of blast mapping table, wherein, the newly-increased 1% current oxygen flow in oxygen amount required time=predetermined oxygen amount × 36/.
According to the feed bin automatic weighing control method of a kind of converter alloy production system of the present invention, it is characterized in that, described blowing oxygen quantity benchmark is specially, set up duration of blast and blowing oxygen quantity mapping table, length is divided into 2500 sections, represent to start in the 1st second to the 2500th second blowing oxygen quantity corresponding to p.s. from blowing, blowing oxygen quantity circulative accumulation is calculated, , calculate the also accumulation of blowing oxygen quantity p.s. from initial oxygen blast flow, accumulated value is current blowing oxygen quantity, write the corresponding position of duration of blast and blowing oxygen quantity mapping table, current oxygen blast per-cent=current blowing oxygen quantity/predetermined blowing oxygen quantity, find oxygen blast flow by current oxygen blast per-cent correspondence again and obtain current oxygen blast flow, thereby start to calculate next second.
According to the feed bin automatic weighing control method of a kind of converter alloy production system of the present invention, it is characterized in that, the weighing time period in described converting process, its design parameter that has weighed point control is:
1) alloy total amount is 0 ~ 4 ton, when blowing oxygen quantity account for the total blowing oxygen quantity of this stove steel 60% time, start weigh;
2) alloy total amount is 4 ~ 7 tons, when blowing oxygen quantity account for the total blowing oxygen quantity of this stove steel 50% time, start weigh;
3) alloy total amount is 7 ~ 10 tons, when blowing oxygen quantity account for the total blowing oxygen quantity of this stove steel 40% time, start weigh;
4) alloy total amount is 10 ~ 13 tons, when blowing oxygen quantity account for the total blowing oxygen quantity of this stove steel 30% time, start weigh;
5) alloy total amount is 13 ~ ∞ ton, when blowing oxygen quantity account for the total blowing oxygen quantity of this stove steel 20% time, start weigh.
According to the feed bin automatic weighing control method of a kind of converter alloy production system of the present invention, it is characterized in that, the weighing time period in described tapping, it has weighed being specially of point control, extract the actual tapping time of the upper one heat steel of this stove steel, it is weighed to the time opening divided by 2 as current heat, and be controlled between 3～5min, in the time that exceeding 5min, calculation result starts to weigh according to 5min, when being less than 3min, calculation result starts to weigh according to 3min, if new blow-on, be to be 1 or new tap hole in furnace life, be to be 1 o'clock in the tap hole life-span, start weighing during to 5min according to tapping.
According to the feed bin automatic weighing control method of a kind of converter alloy production system of the present invention, it is characterized in that, described weighing time period predesigne, it is specially, before weighing time period predesigne, first check that this alloy is pure storehouse or bin double, if pure storehouse directly weighs time period predesigne, bin double if, partition first claims than large feed bin, if partition is than identical, check weigh bridge size, the first title that weigh bridge is large, and then expansion weighing pattern weighs time period predesigne, when calculating, each weighing pattern comprises feed bin number, weighing order, weigh the zero hour and weighing and be worth four item numbers according to composition, if current feed bin residual content, within this feed bin maximum capacity scope, once weighs complete, if exceed maximum capacity scope, first claim 90% of maximum capacity value, remaining person weighs once again, weighing speed is unified is 2 tons of per minutes, each weighs mode sequence and weighs, fixed intervals 50 seconds, calculate accordingly and weigh the zero hour, weighing order, and by all pattern Unified numbers.
Use the feed bin automatic weighing control method of a kind of converter alloy production system of the present invention to obtain following beneficial effect:
1. the feed bin automatic weighing control method of a kind of converter alloy production system of the present invention, applied widely.Be not only applicable to by the basic automation systems of duration of blast control, be applicable to by the basic automation systems of blowing oxygen quantity control yet;
2. the feed bin automatic weighing control method of a kind of converter alloy production system of the present invention, its alloying technology all standing.Can realize all alloy automatic weighings requirement including the aluminum series alloy of weighing complex process, be conducive to improve the integral level of converter alloying operation, stablize converter and produce.
Brief description of the drawings
Fig. 1 is the particular flow sheet of the feed bin automatic weighing control method of a kind of converter alloy production system of the present invention;
Fig. 2 is oxygen blast per-cent and the duration of blast mapping table of the feed bin automatic weighing control method of a kind of converter alloy production system of the present invention;
Fig. 3 is duration of blast and the blowing oxygen quantity mapping table of the feed bin automatic weighing control method of a kind of converter alloy production system of the present invention;
Fig. 4 is the oxygen blast flow schematic diagram of the feed bin automatic weighing control method of a kind of converter alloy production system of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the feed bin of a kind of converter alloy production system of the present invention is further described by automatic weighing control method.
Embodiment
As shown in Figure 1, a kind of feed bin automatic weighing control method of converter alloy production system, comprises and determines that in advance alloy adds the trade mark and addition thereof, and its concrete steps are as follows:
1) add the trade mark and addition according to pre-determined alloy, set up and control benchmark, described control benchmark is respectively, and sets up duration of blast benchmark and by oxygen amount system made blowing oxygen quantity benchmark by time system;
2) according to the duration of blast benchmark in step 1 and blowing oxygen quantity benchmark and distinguish and weigh the time period, the described weighing time period is, the weighing time period in the weighing time period in converting process and tapping;
3) according to the data of the weighing time period in the data of the weighing time period in the converting process obtaining in step 2 and tapping, these two data are weighed to time period predesigne, and calculation result is carried out to manual confirmation and revision;
4) by calculation result input control weigh bridge and the scale hooper through manual confirmation and the revision that obtain in step 3, carry out automatic weighing.
As shown in Figure 2, duration of blast benchmark described in above-mentioned steps 1 is specially, set up oxygen blast per-cent and duration of blast mapping table, form length is divided into 100 sections, represent from duration of blast in seconds corresponding to the blowing oxygen quantity of every 1 percentage point of oxygen blast per-cent from 1% to 100%, duration of blast is carried out to circulative accumulation addition calculation, , from initial oxygen blast flow (with reference to figure 4 the)s calculate every 1% blowing oxygen quantity required time cumulative addition, the oxygen blast per-cent that aggregate-value is corresponding (for example: in the time that aggregate-value reaches 600 seconds can be extrapolated current blowing oxygen quantity, corresponding oxygen blast per-cent is about 60%, if total blowing oxygen quantity (known parameters) is 10000m
3, current blowing oxygen quantity is 10000m
3* 60%=6000m
3), write corresponding position in oxygen blast per-cent and duration of blast mapping table, wherein, the newly-increased 1% current oxygen flow in oxygen amount required time=predetermined oxygen amount × 36/.
As shown in Figure 3, blowing oxygen quantity benchmark described in above-mentioned steps 1 is specially, set up duration of blast and blowing oxygen quantity mapping table, length is divided into 2500 sections (in Fig. 3, representing therefore duration of blast was only drawn to 990 seconds for simple), represent to start in the 1st second to the 2500th second blowing oxygen quantity corresponding to p.s. from blowing, blowing oxygen quantity circulative accumulation is calculated, , (also accumulate with reference to figure 4)s calculating blowing oxygen quantity p.s. from initial oxygen blast flow, accumulated value is current blowing oxygen quantity, write the corresponding position of duration of blast and blowing oxygen quantity mapping table, current oxygen blast per-cent=current blowing oxygen quantity/predetermined blowing oxygen quantity (known parameters), find oxygen blast flow by current oxygen blast per-cent correspondence again and obtain current oxygen blast flow (as shown in Figure 4, for example, when known current oxygen blast per-cent is 40%, oxygen blast flow is 65000m
3/ hour), thereby start to calculate next second.
The weighing time period in converting process described in above-mentioned steps 2, its design parameter that has weighed point control is:
1) alloy total amount is 0 ~ 4 ton, when blowing oxygen quantity account for the total blowing oxygen quantity of this stove steel 60% time, start weigh;
2) alloy total amount is 4 ~ 7 tons, when blowing oxygen quantity account for the total blowing oxygen quantity of this stove steel 50% time, start weigh;
3) alloy total amount is 7 ~ 10 tons, when blowing oxygen quantity account for the total blowing oxygen quantity of this stove steel 40% time, start weigh;
4) alloy total amount is 10 ~ 13 tons, when blowing oxygen quantity account for the total blowing oxygen quantity of this stove steel 30% time, start weigh;
5) alloy total amount is 13 ~ ∞ ton, when blowing oxygen quantity account for the total blowing oxygen quantity of this stove steel 20% time, start weigh.
Alloy in this converting process weighs sequence list to be seen as following table 1.
| Weighing order | Alloy code | Alloy designations | Alloy |
| 1 | 1401 | H-MN | Gao Meng |
| 2 | 1402 | M-MN | Middle manganese |
| 3 | 1409 | MTMN | Electrolytic manganese |
| 4 | 1425 | MN-C | Manganese carbon ball |
| 5 | 1432 | MCCR | Ferrochrome |
| 6 | 1433 | LCCR | Ferrochrome |
| 7 | 1406 | SIMN | Silicomanganese |
| 8 | 1404 | FESI | Ferrosilicon |
| 9 | 1407 | P-SI | |
| 10 | 1463 | T-SI | High purity ferrosilicon |
| 11 | 1459 | FE-P | Ferrophosphorus |
| 12 | 1420 | ASMN | Aluminium silicomanganese |
| 13 | 1418 | FEAL | Ferro-aluminum |
| 14 | 1414 | B-AL | Platform aluminium |
| 15 | 1415 | S-AL | Grain aluminium |
| 16 | 1419 | SABC | Aluminium silicon barium calcium |
Alloy in table 1 converting process weighs sequence list
The weighing time period in tapping described in above-mentioned steps 2, it has weighed being specially of point control, extract the actual tapping time of the upper one heat steel of this stove steel, it is weighed to the time opening divided by 2 as current heat, and be controlled between 3～5min, in the time that exceeding 5min, calculation result starts to weigh according to 5min, when being less than 3min, calculation result starts to weigh according to 3min, if new blow-on, be to be 1 or new tap hole in furnace life, be to be 1 o'clock in the tap hole life-span, start weighing during to 5min according to tapping.
Alloy in this tapping weighs sequence list to be seen as following table 2:
| Weighing order | Alloy code | Alloy designations | Alloy |
| 1 | 1480 | AL5D | Aluminium slag |
| 2 | 1481 | AL2D | Aluminium slag |
| 3 | 1483 | DTAD | Aluminium slag |
| 4 | 1290 | SCHP | Little steel disc |
Alloy in table 2 tapping weighs sequence list
Weighing time period predesigne described in above-mentioned steps 3, it is specially, before weighing time period predesigne, first check that this alloy is pure storehouse or bin double, if pure storehouse directly weighs time period predesigne, bin double if, partition first claims than large feed bin, if partition is than identical, check weigh bridge size, the first title that weigh bridge is large, and then expansion weighing pattern weighs time period predesigne, when calculating, each weighing pattern comprises feed bin number, weighing order, weigh the zero hour and weighing and be worth four item numbers according to composition, if current feed bin residual content, within this feed bin maximum capacity scope, once weighs complete, if exceed maximum capacity scope, first claim 90% of maximum capacity value, remaining person weighs once again, weighing speed is unified is 2 tons of per minutes, each weighs mode sequence and weighs, fixed intervals 50 seconds, calculate accordingly and weigh the zero hour, weighing order, and by all pattern Unified numbers.
The feed bin automatic weighing control method of a kind of converter alloy production system of the present invention, applied widely, be not only applicable to by the basic automation systems of duration of blast control, also be applicable to by the basic automation systems of blowing oxygen quantity control, the present invention can also realize all alloy automatic weighings requirement including the aluminum series alloy of weighing complex process, alloy weighs full-automatic enforcement ratio and reaches more than 85%, not only greatly alleviate operator's labour intensity, and reduce manual weighing's error, create good conditions for improving converter operation automation level, be conducive to improve the integral level of converter alloying operation, stablizing converter produces, be applicable to various alloy converters and weigh field.
Claims (6)
1. a feed bin automatic weighing control method for converter alloy production system, comprises and determines that in advance alloy adds the trade mark and addition thereof, and its concrete steps are as follows:
1) add the trade mark and addition according to pre-determined alloy, set up and control benchmark, described control benchmark is respectively, and sets up duration of blast benchmark and by oxygen amount system made blowing oxygen quantity benchmark by time system;
2) according to the duration of blast benchmark in step 1 and blowing oxygen quantity benchmark and distinguish and weigh the time period, the described weighing time period is, the weighing time period in the weighing time period in converting process and tapping;
3) according to the data of the weighing time period in the data of the weighing time period in the converting process obtaining in step 2 and tapping, these two data are weighed to time period predesigne, and calculation result is carried out to manual confirmation and revision;
4) by calculation result input control weigh bridge and the scale hooper through manual confirmation and the revision that obtain in step 3, carry out automatic weighing.
2. the feed bin automatic weighing control method of a kind of converter alloy production system as claimed in claim 1, it is characterized in that, described duration of blast benchmark is specially, set up oxygen blast per-cent and duration of blast mapping table, form length is divided into 100 sections, represent from duration of blast in seconds corresponding to the blowing oxygen quantity of every 1 percentage point of oxygen blast per-cent from 1% to 100%, duration of blast is carried out to circulative accumulation addition calculation, , calculate every 1% blowing oxygen quantity required time cumulative addition from initial oxygen blast flow, the oxygen blast per-cent that aggregate-value is corresponding can be extrapolated current blowing oxygen quantity, write corresponding position in oxygen blast per-cent and duration of blast mapping table, wherein, the newly-increased 1% current oxygen flow in oxygen amount required time=predetermined oxygen amount × 36/.
3. the feed bin automatic weighing control method of a kind of converter alloy production system as claimed in claim 1, it is characterized in that, described blowing oxygen quantity benchmark is specially, set up duration of blast and blowing oxygen quantity mapping table, length is divided into 2500 sections, represent to start in the 1st second to the 2500th second blowing oxygen quantity corresponding to p.s. from blowing, blowing oxygen quantity circulative accumulation is calculated, , calculate the also accumulation of blowing oxygen quantity p.s. from initial oxygen blast flow, accumulated value is current blowing oxygen quantity, write the corresponding position of duration of blast and blowing oxygen quantity mapping table, current oxygen blast per-cent=current blowing oxygen quantity/predetermined blowing oxygen quantity, find oxygen blast flow by current oxygen blast per-cent correspondence again and obtain current oxygen blast flow, thereby start to calculate next second.
4. the feed bin automatic weighing control method of a kind of converter alloy production system as claimed in claim 1, is characterized in that, the weighing time period in described converting process, its design parameter that has weighed point control is:
1) alloy total amount is 0 ~ 4 ton, when blowing oxygen quantity account for the total blowing oxygen quantity of this stove steel 60% time, start weigh;
2) alloy total amount is 4 ~ 7 tons, when blowing oxygen quantity account for the total blowing oxygen quantity of this stove steel 50% time, start weigh;
3) alloy total amount is 7 ~ 10 tons, when blowing oxygen quantity account for the total blowing oxygen quantity of this stove steel 40% time, start weigh;
4) alloy total amount is 10 ~ 13 tons, when blowing oxygen quantity account for the total blowing oxygen quantity of this stove steel 30% time, start weigh;
5) alloy total amount is 13 ~ ∞ ton, when blowing oxygen quantity account for the total blowing oxygen quantity of this stove steel 20% time, start weigh.
5. the feed bin automatic weighing control method of a kind of converter alloy production system as claimed in claim 1, it is characterized in that, the weighing time period in described tapping, it has weighed being specially of point control, extract the actual tapping time of the upper one heat steel of this stove steel, it is weighed to the time opening divided by 2 as current heat, and be controlled between 3～5min, in the time that exceeding 5min, calculation result starts to weigh according to 5min, when being less than 3min, calculation result starts to weigh according to 3min, if new blow-on, be to be 1 or new tap hole in furnace life, be to be 1 o'clock in the tap hole life-span, start weighing during to 5min according to tapping.
6. the feed bin automatic weighing control method of a kind of converter alloy production system as claimed in claim 1, it is characterized in that, described weighing time period predesigne, it is specially, before weighing time period predesigne, first check that this alloy is pure storehouse or bin double, if pure storehouse directly weighs time period predesigne, bin double if, partition first claims than large feed bin, if partition is than identical, check weigh bridge size, the first title that weigh bridge is large, and then expansion weighing pattern weighs time period predesigne, when calculating, each weighing pattern comprises feed bin number, weighing order, weigh the zero hour and weighing and be worth four item numbers according to composition, if current feed bin residual content, within this feed bin maximum capacity scope, once weighs complete, if exceed maximum capacity scope, first claim 90% of maximum capacity value, remaining person weighs once again, weighing speed is unified is 2 tons of per minutes, each weighs mode sequence and weighs, fixed intervals 50 seconds, calculate accordingly and weigh the zero hour, weighing order, and by all pattern Unified numbers.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110343805A (en) * | 2018-04-04 | 2019-10-18 | 上海梅山钢铁股份有限公司 | Ladle refining furnace molten steel silicomanganese Composition Control device and control method |
| CN115125358A (en) * | 2021-03-25 | 2022-09-30 | 宝山钢铁股份有限公司 | Converter alloy automatic weighing virtual bin control method |
| CN116144874A (en) * | 2023-02-23 | 2023-05-23 | 广东中南钢铁股份有限公司 | Automatic steelmaking feeding method and system for converter |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102409130A (en) * | 2010-09-26 | 2012-04-11 | 鞍钢股份有限公司 | Automatic feeding device and method for converter flux |
| CN102424889A (en) * | 2011-12-05 | 2012-04-25 | 济南钢铁股份有限公司 | Automatic feeding system for automatic steel smelting converter and control method thereof |
| CN202216745U (en) * | 2011-08-09 | 2012-05-09 | 中冶华天南京自动化工程有限公司 | Automatic material preparation device provided with multiple storage bins and single weighing hopper |
-
2012
- 2012-12-25 CN CN201210572919.9A patent/CN103898271B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102409130A (en) * | 2010-09-26 | 2012-04-11 | 鞍钢股份有限公司 | Automatic feeding device and method for converter flux |
| CN202216745U (en) * | 2011-08-09 | 2012-05-09 | 中冶华天南京自动化工程有限公司 | Automatic material preparation device provided with multiple storage bins and single weighing hopper |
| CN102424889A (en) * | 2011-12-05 | 2012-04-25 | 济南钢铁股份有限公司 | Automatic feeding system for automatic steel smelting converter and control method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 李成林等: "宝钢二炼钢转炉副原料投入自动控制***", 《冶金自动化》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110343805A (en) * | 2018-04-04 | 2019-10-18 | 上海梅山钢铁股份有限公司 | Ladle refining furnace molten steel silicomanganese Composition Control device and control method |
| CN110343805B (en) * | 2018-04-04 | 2021-07-09 | 上海梅山钢铁股份有限公司 | Molten steel silicon-manganese component control device and method for ladle refining furnace |
| CN115125358A (en) * | 2021-03-25 | 2022-09-30 | 宝山钢铁股份有限公司 | Converter alloy automatic weighing virtual bin control method |
| CN115125358B (en) * | 2021-03-25 | 2023-09-12 | 宝山钢铁股份有限公司 | Automatic weighing virtual bin control method for converter alloy |
| CN116144874A (en) * | 2023-02-23 | 2023-05-23 | 广东中南钢铁股份有限公司 | Automatic steelmaking feeding method and system for converter |
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