CN202401092U - System for controlling steelmaking furnace condition of converter - Google Patents
System for controlling steelmaking furnace condition of converter Download PDFInfo
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- CN202401092U CN202401092U CN2011204485978U CN201120448597U CN202401092U CN 202401092 U CN202401092 U CN 202401092U CN 2011204485978 U CN2011204485978 U CN 2011204485978U CN 201120448597 U CN201120448597 U CN 201120448597U CN 202401092 U CN202401092 U CN 202401092U
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- furnace gas
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Abstract
The utility model provides a system for controlling the steelmaking furnace condition of a converter, which is used for solving the problems that the control effect of the traditional control device is influenced by smoke hood descending and furnace-mouth slag accumulation of the converter and the control accuracy is poor. The device comprises a furnace gas analysis system, an oxygen lance control system, a furnace gas analysis database system and an industrial control computer, wherein the furnace gas analysis database system is used for storing the data relation diagram between the furnace slag oxygen potential and the total oxygen blowing amount; and the industrial control computer is connected with the furnace gas analysis system, the oxygen lance control system and the furnace gas analysis database system and is used for calculating the furnace slag oxygen potential, inquiring the allowable range of the furnace slag oxygen potential according to the data relation diagram between the furnace slag oxygen potential and the total oxygen blowing amount by using the oxygen blowing amount of the converter and the calculated furnace slag oxygen potential and outputting the forecast information of slopping or the forecast information of re-drying. The device provided by the utility model overcomes the defect of poor control stability of artificial experience. Compared with the traditional sonar slagging monitoring device, the device is not influenced by smoke hood descending and furnace-mouth slag accumulation of the converter, the control is more accurate, and the stability of the smelting process is increased.
Description
Technical field
The utility model relates to a kind of system of converter steelmaking working of a furnace control.
Background technology
Converter steelmaking is present main steel-making mode, and its steel output accounts for more than 60% of total steel output, and the controlled levels that improves converter steelmaking receives people's attention always; Splash, return the unusual working of a furnace such as dried and upset normal smelting operation, reduced recovery rate of iron, influence dephosphorization effect; Harm flushing and casting personnel's safety; Therefore, stablize smelting process, reduce splash, return the dried target that the metallargist studies that always is.
Traditional converter steelmaking working of a furnace control method is the manual observation slag state.Be to observe the fire door flame characteristic as its step 1, judge through artificial experience.Operative employee's personal experience is different with the mental status; Then to splash, to return dried controllability also different, and flame forms receives the influence of blower fan, reinforced, bottom blowing etc. very big, therefore; Through artificial experience control splash, return that to do effect not ideal, success ratio is greatly about 70%.
Being used for the more common device of converter steelmaking working of a furnace ratio at present is the audio frequency slag melting appearance, and the noise that top blast supersonic speed oxygen rifle produces is propagated in slag, and along with slag thickness increases, noise intensity reduces.When audio frequency intensity curve tendency near or reach splash, when returning dried early warning line, the operative employee takes corresponding measure, prevents splash, returns dried generation.This device receives the influence of revolving furnace fume hood decline and fire door accumulated slag easily, has limited its control effect.
Therefore, it is strong to develop a kind of flexibility, and forecast, the converter steelmaking working of a furnace gear that the precise control rate is high are significant to promoting current steel-making level.
Summary of the invention
The main purpose of the utility model provides the system of a kind of converter steelmaking working of a furnace control, descended by revolving furnace fume hood and the influence of fire door accumulated slag to solve system in the prior art, the problem of control weak effect.
To achieve these goals,, a kind of system of converter steelmaking working of a furnace control is provided, has comprised according to an aspect of the utility model:
The analysis of fumes system is used for detecting the concentration and the furnace gas flow of each composition of furnace gas;
Converter control system is used to control Converter Oxigen Blowing with reinforced, obtains Converter Oxigen Blowing amount and feeding quantity, and receives the splash forecast information or return and intervene the breath of notifying, and according to said splash forecast information or return and intervene the breath control oxygen rifle operation of notifying;
The analysis of fumes Database Systems are used to preserve slag oxygen gesture and total blowing oxygen quantity entity relationship diagram;
Industrial control computer; Be connected with analysis of fumes system, converter control system and analysis of fumes Database Systems; Be used to obtain concentration, furnace gas flow, Converter Oxigen Blowing amount and the feeding quantity of each composition; Concentration, furnace gas flow, Converter Oxigen Blowing amount and feeding quantity according to each composition calculate slag oxygen gesture; According to Converter Oxigen Blowing amount inquiry slag oxygen gesture allowed band from slag oxygen gesture and total blowing oxygen quantity entity relationship diagram; And the slag oxygen gesture allowed band that will obtain through inquiry compare with the slag oxygen gesture that calculates, according to comparative result output splash forecast information or return and intervene the breath of notifying, and with the splash forecast information or return and intervene the breath of notifying and send converter control system to.
Further, the analysis of fumes system comprises: furnace gas concentration analytical equipment, furnace gas flow detection meter and analysis of fumes unit, and furnace gas concentration analytical equipment wherein is used for detecting the concentration of each composition of furnace gas; The analysis of fumes unit is connected with furnace gas concentration analytical equipment and furnace gas flow detection meter, is used for sending the concentration and the furnace gas flow of detected each composition of furnace gas to industrial control computer.
Further, the furnace gas concentration analytical equipment comprises: sampling probe, be installed in the preceding converter flue turning of a literary composition, and be used for furnace gas is carried out rough dusting; Gas pretreatment device is arranged on the downstream of sampling probe, is used for furnace gas is carried out pre-treatment; Mass spectrograph is arranged on the downstream of gas pretreatment device, is used for measuring the concentration of each composition of furnace gas.
Further; Converter control system comprises the oxygen gun controller that is connected with industrial control computer; And the oxygen gun apparatus that is connected with the oxygen gun controller; Wherein the oxygen gun controller comprises and receives the splash forecast information or return the parts of intervening the breath of notifying, according to the splash forecast information or return and intervene the breath of notifying sends industrial control computer to the parts of oxygen gun apparatus sending controling instruction with the Converter Oxigen Blowing amount that the oxygen gun apparatus detects parts; The oxygen gun apparatus, comprise the steering order that receives the oxygen gun controller parts, be used for carrying out the parts of Converter Oxigen Blowing operation and the parts that detect the Converter Oxigen Blowing amount according to steering order.
Further, the oxygen gun controller also comprises: be used for the said splash forecast information according to output, send the parts that reduce the control of lance position instruction; Be used for intervening the breath of notifying, send the parts that improve the control of lance position instruction according to said the returning of output.
Further, the oxygen gun controller uses the Ethernet mode to be connected with industrial control computer, and the analysis of fumes Database Systems use Ethernet to be connected with industrial control computer.
Further, the oxygen gun controller is a programmable logic controller.
Further, industrial control computer also comprise record slag oxygen gesture and Converter Oxigen Blowing amount data storing device and data are sent to the transmitting device of analysis of fumes Database Systems.
Further, analysis of fumes Database Systems comprise the parts of the data of preserving the slag oxygen gesture calculate and Converter Oxigen Blowing amount and upgrade the slag oxygen gesture and the total parts of blowing oxygen quantity entity relationship diagram.
Technical scheme according to the utility model; Calculate slag oxygen gesture according to analysis of fumes, the slag oxygen gesture allowed band that draws with inquiry in converter slag oxygen gesture and the total blowing oxygen quantity entity relationship diagram compares, thereby the forecast splash, returns and do the unusual working of a furnace; And according to the control of working of a furnace forecast realization to the converter steelmaking working of a furnace; Overcome the shortcoming of artificial experience control stiffness difference, compared, do not received the influence of revolving furnace fume hood decline and fire door accumulated slag with existing sonar slag monitoring device; Control more accurately, improved the stability of smelting process.
Description of drawings
Figure of description is used to provide the further understanding to the utility model, constitutes the application's a part, and illustrative examples of the utility model and explanation thereof are used to explain the utility model, do not constitute the improper qualification to the utility model.In the accompanying drawings:
Fig. 1 is the synoptic diagram according to the method for the converter steelmaking working of a furnace control of the utility model embodiment;
Fig. 2 is the synoptic diagram according to the main composition module of the device of the converter steelmaking working of a furnace control of the utility model embodiment;
Fig. 3 is the slag oxygen gesture and total blowing oxygen quantity entity relationship diagram according to the utility model embodiment;
Fig. 4 is the synoptic diagram according to the system of the converter steelmaking working of a furnace control of the utility model embodiment.
Embodiment
Need to prove that under the situation of not conflicting, embodiment and the characteristic among the embodiment among the application can make up each other.Below with reference to accompanying drawing and combine embodiment to specify the utility model.
Fig. 1 is that as shown in Figure 1, this method mainly comprises the steps: according to the synoptic diagram of the converter steelmaking working of a furnace control method of the utility model embodiment
Step S11 obtains CO and CO in the composition of fumes
2Deng the content of gas, and record Converter Oxigen Blowing amount and feeding quantity;
Step S13 is according to CO and CO
2Calculate slag oxygen gesture Deng content, Converter Oxigen Blowing amount and the feeding quantity of gas;
Step S 15; According to Converter Oxigen Blowing amount inquiry slag oxygen gesture allowed band from slag oxygen gesture and total blowing oxygen quantity entity relationship diagram; And the slag oxygen gesture allowed band that will obtain through inquiry compare with the slag oxygen gesture that calculates, according to comparative result output splash forecast information or return and intervene the breath of notifying;
Step S17 is according to the splash forecast information or return and intervene the breath control oxygen blast operation of notifying.
Wherein, slag oxygen gesture (O
s) refer to be accumulated in the slag and remove with SiO
2Oxygen beyond the oxygen that form exists is because with SiO
2The oxygen that form exists is highly stable, does not or else participate in oxidizing reaction.The calculation formula of slag oxygen gesture value is: slag oxygen gesture=Converter Oxigen Blowing amount+auxiliary material decomposes the oxygen-consumption-oxidation of coal oxygen-consumption of the oxygen amount-silicon oxidation that produces, and the oxygen-consumption of the oxygen amount that the auxiliary material decomposition produces in the formula, the oxygen-consumption of silicon oxidation and oxidation of coal all can be from CO and CO
2Content and feeding quantity in directly draw.
In above-mentioned step S11, detect CO, CO in the furnace gas
2Volume(tric)fraction and furnace gas flow Deng gas; Draw CO and CO in the composition of fumes according to volume(tric)fraction and furnace gas flow
2Content Deng gas.
Among the above-mentioned step S15, the slag oxygen gesture that calculates is equal to, or greater than going up in limited time of slag oxygen gesture allowed band, output splash forecast information; The slag oxygen gesture that calculates is equal to or less than the following of slag oxygen gesture allowed band and prescribes a time limit, and output is returned and intervened the breath of notifying.
Step S17 specifically can be: according to the splash forecast information of output, the control oxygen lance position reduces to reduce slag oxygen gesture; Intervene the breath of notifying according to returning of output, the control oxygen lance position improves to increase slag oxygen gesture.
In the present embodiment, the slag oxygen gesture of calculating and the data of blowing oxygen quantity be can also preserve, and slag oxygen gesture and total blowing oxygen quantity entity relationship diagram upgraded.
Below slag oxygen gesture and total blowing oxygen quantity entity relationship diagram are made an explanation.Fig. 2 is the slag oxygen gesture and total blowing oxygen quantity entity relationship diagram according to the utility model embodiment.As shown in Figure 2, in slag oxygen gesture allowed band, convertor steelmaking process is stable; The no abnormal working of a furnace takes place, and slag oxygen gesture is higher than the upper limit of slag oxygen gesture allowed band, converter generation spraying state; Slag oxygen gesture is lower than the lower limit of slag oxygen gesture allowed band, and dried situation is returned in converter.According to this graph of a relation; Just can be under the situation that blowing oxygen quantity is confirmed; Obtain the allowed band of the slag oxygen gesture of the normal working of a furnace of converter, when actual slag oxygen gesture exceeds allowed band, export splash, return the forecast information of the dried unusual working of a furnace and carry out corresponding red-tape operati according to this information.
At the initial stage that converter is installed and used, slag oxygen gesture is summed up under incomplete situation with total blowing oxygen quantity data, can use decarburization oxygen efficiency method forecast splash, return driedly, and concrete steps are: obtain CO and CO in the composition of fumes
2Content and Converter Oxigen Blowing amount Deng gas; According to said CO and CO
2Content and Converter Oxigen Blowing amount Deng gas are calculated converter decarburization oxygen efficiency and decarburization oxygen efficiency velocity of variation; According to decarburization oxygen efficiency and decarburization oxygen efficiency velocity of variation, export the splash forecast information or return the forecast information of doing the unusual working of a furnace; According to forecast information control oxygen blast operation.
The concrete method of calculation of decarburization oxygen efficiency are:
In the formula (1), R representes the decarburization oxygen efficiency; (dC)
tExpression t is the unit time decarburized amount constantly, equals CO, CO in the interior furnace gas of unit time
2Carbon content, unit is g; (dO
2)
tExpression t is the unit time oxygen-supplying amount constantly, and unit is Nm
3
Thereby the velocity of variation of decarburization oxygen efficiency (R) is
When the decarburization oxygen efficiency less than first preset value, and decarburization oxygen efficiency velocity of variation is during less than second preset value, output splash forecast information; When the decarburization oxygen efficiency greater than the 3rd preset value, and decarburization oxygen efficiency velocity of variation is during greater than the 4th preset value, output is returned and is intervened the breath of notifying.Wherein first preset value, second preset value, the 3rd preset value, the 4th preset value are according to the actual smelting situation of converter, the preset value that the corresponding working of a furnace normal range of decarburization oxygen efficiency and velocity of variation thereof is set.With the 150t converter is example, and first preset value is that 0.55, the second preset value is-0.0032, when the decarburization oxygen efficiency less than 0.55, and decarburization oxygen efficiency velocity of variation is less than-0.0032 o'clock, output splash forecast information; The 3rd preset value is that 0.68, the four preset value is 0.0036, when the decarburization oxygen efficiency greater than 0.68, and decarburization oxygen efficiency velocity of variation is greater than 0.0036 o'clock, output is returned and is intervened the breath of notifying.
Utilize the decarburization oxygen efficiency converter steelmaking is forecast splash, return do the working of a furnace and forecast in; Calculate slag oxygen gesture; The relation of the slag oxygen gesture of accumulation correspondence and a certain blowing oxygen quantity; Summary obtains slag oxygen gesture and total blowing oxygen quantity entity relationship diagram, after obtaining slag oxygen gesture and total blowing oxygen quantity entity relationship diagram, just can use the converter steelmaking working of a furnace control method of present embodiment to carry out red-tape operati.
Fig. 3 is the synoptic diagram according to the converter steelmaking working of a furnace system of the utility model embodiment, and is as shown in Figure 3, and converter steelmaking working of a furnace gear 30 comprises: acquisition module 31 is used for obtaining furnace gas CO and CO
2Content Deng gas; Logging modle 32 is used to write down Converter Oxigen Blowing amount and reinforced information; Computing module 33 is used for according to CO and CO
2Calculate slag oxygen gesture Deng content, Converter Oxigen Blowing amount and the feeding quantity of gas; Forecast module 34; Be used for according to said Converter Oxigen Blowing amount from slag oxygen gesture and total blowing oxygen quantity entity relationship diagram inquiry slag oxygen gesture allowed band; And the said slag oxygen gesture allowed band that will obtain through inquiry compare with the said slag oxygen gesture that calculates, according to comparative result output splash forecast information or return and intervene the breath of notifying; Control module 35 is used for according to the splash forecast information or returns and intervene the breath control oxygen blast operation of notifying.
Wherein, acquisition module 31 also is used for: detect furnace gas CO, CO
2Volume(tric)fraction and furnace gas flow Deng gas; Draw CO and CO in the composition of fumes according to volume(tric)fraction and furnace gas flow
2Content Deng gas.
In addition, system also comprises: data are preserved the module (not shown), are used to preserve the slag oxygen gesture and the data of blowing oxygen quantity, renewal slag oxygen gesture and the total blowing oxygen quantity entity relationship diagram that calculate.
Fig. 4 is the system schematic according to the converter steelmaking working of a furnace control of the utility model embodiment, and is as shown in Figure 4:
The system of this converter steelmaking working of a furnace control comprises: analysis of fumes system 56 is used for detecting the concentration and the furnace gas flow of each composition of furnace gas; Converter control system 54 is used to control Converter Oxigen Blowing with reinforced, obtains Converter Oxigen Blowing amount and feeding quantity, and receives the splash forecast information or return and intervene the breath of notifying, and according to said splash forecast information or return and intervene the breath control oxygen rifle operation of notifying; Analysis of fumes Database Systems 52 are used to preserve slag oxygen gesture and total blowing oxygen quantity entity relationship diagram; Industrial control computer 50; Be connected with analysis of fumes system 56, converter control system 54 and analysis of fumes Database Systems 52; Be used to obtain concentration, furnace gas flow, Converter Oxigen Blowing amount and the feeding quantity of each composition; Concentration, furnace gas flow, Converter Oxigen Blowing amount and feeding quantity according to each composition calculate slag oxygen gesture; According to Converter Oxigen Blowing amount inquiry slag oxygen gesture allowed band from slag oxygen gesture and total blowing oxygen quantity entity relationship diagram; And the slag oxygen gesture allowed band that will obtain through inquiry compare with the slag oxygen gesture that calculates, according to comparative result output splash forecast information or return and intervene the breath of notifying, and with the splash forecast information or return and intervene the breath of notifying and send converter control system 54 to.
Wherein, analysis of fumes system 56 can comprise: furnace gas concentration analytical equipment 58, furnace gas flow detection meter 563 and analysis of fumes unit 565, and wherein the furnace gas concentration analytical equipment 58, are used for detecting the concentration of each composition of furnace gas; Analysis of fumes unit 565 is connected with furnace gas concentration analytical equipment 58 and furnace gas flow detection meter 563, is used for sending the concentration and the furnace gas flow of detected each composition of furnace gas to industrial control computer 50.
Furnace gas concentration analytical equipment 58 can comprise: sampling probe 581, be installed in the preceding converter flue turning of a literary composition, and be used for furnace gas is carried out rough dusting; Gas pretreatment device 583 is arranged on the downstream of sampling probe 581, is used for furnace gas is carried out pre-treatment, comprises furnace gas being carried out pre-treatment such as dedusting, dehumidifying, voltage stabilizing, current stabilization; Mass spectrograph 585 is arranged on the downstream of gas pretreatment device 583, is used for measuring the concentration of each composition of furnace gas, comprises CO, CO
2, N
2, H
2, Ar and O
2Concentration.
The preferred embodiment that the above is merely the utility model is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (9)
1. the system of a converter steelmaking working of a furnace control is characterized in that, comprising:
The analysis of fumes system is used for detecting the concentration and the furnace gas flow of each composition of furnace gas;
Converter control system is used to control Converter Oxigen Blowing with reinforced, obtains Converter Oxigen Blowing amount and feeding quantity, and receives the splash forecast information or return and intervene the breath of notifying, and according to said splash forecast information or return and intervene the breath control oxygen rifle operation of notifying; The analysis of fumes Database Systems are used to preserve slag oxygen gesture and total blowing oxygen quantity entity relationship diagram;
Industrial control computer; Be connected with said analysis of fumes Database Systems with said analysis of fumes system, said converter control system; Be used to obtain the concentration of said each composition, said furnace gas flow, said Converter Oxigen Blowing amount and said feeding quantity; Concentration, furnace gas flow, Converter Oxigen Blowing amount and feeding quantity according to said each composition calculate slag oxygen gesture; According to said Converter Oxigen Blowing amount inquiry slag oxygen gesture allowed band from said slag oxygen gesture and total blowing oxygen quantity entity relationship diagram; And the said slag oxygen gesture allowed band that will obtain through inquiry compare with the said slag oxygen gesture that calculates, according to comparative result output splash forecast information or return and intervene the breath of notifying, and with said splash forecast information or return and intervene the breath of notifying and send said converter control system to.
2. according to the described system of claim, it is characterized in that said analysis of fumes system comprises furnace gas concentration analytical equipment, furnace gas flow detection meter and analysis of fumes unit, wherein,
Said furnace gas concentration analytical equipment is used for detecting the concentration of each composition of furnace gas;
Said analysis of fumes unit is connected with said furnace gas concentration analytical equipment and said furnace gas flow detection meter, is used for sending the concentration and the said furnace gas flow of detected said each composition of furnace gas to said industrial control computer.
3. system according to claim 2 is characterized in that, said furnace gas concentration analytical equipment comprises:
Sampling probe is installed in the preceding converter flue turning of a literary composition, is used for furnace gas is carried out rough dusting;
Gas pretreatment device is arranged on the downstream of said sampling probe, is used for furnace gas is carried out pre-treatment;
Mass spectrograph is arranged on the downstream of said gas pretreatment device, is used for measuring the concentration of each composition of furnace gas after the pre-treatment.
4. according to the described system of claim, it is characterized in that said converter control system comprises the oxygen gun controller that is connected with said industrial control computer, and the oxygen gun apparatus that is connected with said oxygen gun controller, wherein,
Said oxygen gun controller comprises the said splash forecast information of reception or returns the parts of intervening the breath of notifying; According to said splash forecast information or return and intervene the breath of notifying sends said industrial control computer to the parts of said oxygen gun apparatus sending controling instruction with the Converter Oxigen Blowing amount that said oxygen gun apparatus detects parts;
Said oxygen gun apparatus comprise the steering order that receives the oxygen gun controller parts, be used for carrying out the parts of Converter Oxigen Blowing operation and the parts that detect the Converter Oxigen Blowing amount according to said steering order.
5. system according to claim 4 is characterized in that, said oxygen gun controller also comprises:
Be used for said splash forecast information, send the parts that reduce the control of lance position instruction according to output;
Be used for intervening the breath of notifying, send the parts that improve the control of lance position instruction according to said the returning of output.
6. system according to claim 4 is characterized in that, said oxygen gun controller uses the Ethernet mode to be connected with said industrial control computer, and said analysis of fumes Database Systems use Ethernet to be connected with said industrial control computer.
7. according to each described system in the claim 4 to 6, it is characterized in that said oxygen gun controller is a programmable logic controller.
8. according to each described system in the claim to 6; It is characterized in that; Said industrial control computer also comprise record said slag oxygen gesture and said Converter Oxigen Blowing amount data storing device and said data are sent to the transmitting device of analysis of fumes Database Systems.
9. the system described in according to Claim 8; It is characterized in that; Said analysis of fumes Database Systems comprise the parts of the data of preserving said slag oxygen gesture that calculates and said Converter Oxigen Blowing amount and upgrade slag oxygen gesture and the parts of total blowing oxygen quantity entity relationship diagram.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204485978U CN202401092U (en) | 2011-11-11 | 2011-11-11 | System for controlling steelmaking furnace condition of converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204485978U CN202401092U (en) | 2011-11-11 | 2011-11-11 | System for controlling steelmaking furnace condition of converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202401092U true CN202401092U (en) | 2012-08-29 |
Family
ID=46698753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204485978U Expired - Lifetime CN202401092U (en) | 2011-11-11 | 2011-11-11 | System for controlling steelmaking furnace condition of converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202401092U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107012286A (en) * | 2016-01-27 | 2017-08-04 | 鞍钢股份有限公司 | A kind of converter smelting parameter monitoring method |
| CN109239193A (en) * | 2018-10-26 | 2019-01-18 | 山东钢铁股份有限公司 | A method of for detecting converter slag |
| CN110628981A (en) * | 2019-09-26 | 2019-12-31 | 武汉钢铁有限公司 | Solidification experience method for defining splashing in converter blowing period |
| CN113504725A (en) * | 2021-07-09 | 2021-10-15 | 衡阳镭目科技有限责任公司 | Real-time slag state monitoring device of converter |
-
2011
- 2011-11-11 CN CN2011204485978U patent/CN202401092U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107012286A (en) * | 2016-01-27 | 2017-08-04 | 鞍钢股份有限公司 | A kind of converter smelting parameter monitoring method |
| CN109239193A (en) * | 2018-10-26 | 2019-01-18 | 山东钢铁股份有限公司 | A method of for detecting converter slag |
| CN110628981A (en) * | 2019-09-26 | 2019-12-31 | 武汉钢铁有限公司 | Solidification experience method for defining splashing in converter blowing period |
| CN113504725A (en) * | 2021-07-09 | 2021-10-15 | 衡阳镭目科技有限责任公司 | Real-time slag state monitoring device of converter |
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