Converter slag overflow inhibition method, device, equipment and medium

Abstract

The invention discloses a method, a device and equipment for inhibiting slag overflow of a converter and a medium, and belongs to the technical field of metallurgy. The method comprises the steps that the actual smelting time of a converter of the current heat is obtained; if the actual duration is within the preset easy-to-overflow-slag duration interval, the smelting parameters of the converter are adjusted to be target smelting parameters, the current overflow slag characteristic value of the converter of the current heat is obtained, and the current overflow slag characteristic value is used for representing the current overflow slag strength; if the current slag overflow characteristic value is larger than a preset characteristic value threshold value, the duration when the current slag overflow characteristic value is larger than the characteristic value threshold value is calculated; and if the duration is greater than a preset duration threshold value, giving an alarm to inform an operator to start a slag overflow suppression measure. According to the method, when the actual time length of the converter enters a time length interval section where slag overflowing is prone to occurring, smelting parameters of the converter are adjusted, slag overflowing prevention operation is started in advance, and if the effect of restraining in advance is not good, an operator is notified to conduct manual restraining operation.

Description

Technical Field

[0001] The present invention relates to the technical field of metallurgy, and particularly to a method, device, equipment and medium for suppressing converter slag overflow. Background Art

[0002] During the converter blowing process, fluctuations in raw material properties, the rate of carbon-oxygen reaction, and the level of process operation are all factors affecting the splashing of slag and molten steel at the converter mouth. Splashing can have a serious impact on iron material loss, equipment damage, and worker safety.

[0003] In the prior art, a camera is arranged near the converter mouth, and the video image of the converter mouth is collected through the camera. The operator judges whether splashing occurs by observing the video image. If the video image shows that splashing occurs, the operation process is adjusted to suppress the slag overflow situation.

[0004] However, during the converter blowing process, the splashing of slag and molten steel occurs quickly and for a short time. Only after the operator discovers the splashing can the operation process be adjusted, resulting in a lag in the adjustment time relative to the splashing occurrence time and a poor effect of suppressing slag overflow. Summary of the Invention

[0005] In view of the above problems, the present invention is proposed to provide a method, device, equipment and medium for suppressing converter slag overflow, which can adjust the smelting parameters of the converter and start the anti-slag overflow operation in advance when the actual smelting duration of the current converter furnace enters the time period prone to slag overflow. If the effect of early suppression is not good, the operator is notified to perform a manual suppression operation to further improve the effect of suppressing slag overflow.

[0006] In a first aspect, the present invention provides a method for suppressing converter slag overflow, the method comprising:

[0007] Obtain the actual smelting duration of the converter for the current heat, the starting moment of the actual duration being the starting moment of the smelting of the current heat, and the ending moment being the current moment;

[0008] If the actual duration is within a preset time period prone to slag overflow, adjust the smelting parameters of the converter to target smelting parameters, and obtain the current slag overflow characteristic value of the converter for the current heat, the current slag overflow characteristic value being used to characterize the current slag overflow intensity;

[0009] If the current slag overflow characteristic value is greater than a preset characteristic value threshold, calculate the duration for which the current slag overflow characteristic value is greater than the characteristic value threshold;

[0010] If the duration is greater than a preset duration threshold, give an alarm to notify the operator to start slag overflow suppression measures.

[0011] Optionally, obtaining the current slag overflow characteristic value of the converter in the current heat includes:

[0012] Obtaining the current slag overflow image of the converter mouth of the current heat;

[0013] Cropping the region of interest from the current slag overflow image;

[0014] Determining the slag overflow region from the region of interest;

[0015] Calculating the ratio of the area of the slag overflow region to the area of the region of interest to obtain the current slag overflow characteristic value.

[0016] Optionally, there are multiple slag overflow duration interval segments, and different slag overflow duration interval segments correspond to different target smelting parameters.

[0017] Optionally, the method further includes:

[0018] Obtaining the historical slag overflow characteristic value of the converter in the historical heat, where the historical heat is the heat before the current heat;

[0019] Plotting the curve of the historical slag overflow characteristic value changing with time;

[0020] Determining the time period of slag overflow according to the curve;

[0021] Determining the slag overflow duration interval segment according to the time period.

[0022] Optionally, the curve includes at least one peak within the time period of slag overflow. After determining the time period of slag overflow according to the curve, the method further includes:

[0023] Determining the target smelting parameters corresponding to the slag overflow duration interval segment according to the historical slag overflow characteristic value of the peak within the time period.

[0024] Optionally, determining the target smelting parameters corresponding to the slag overflow duration interval segment according to the historical slag overflow characteristic value of the peak within the time period includes:

[0025] Integrating the historical slag overflow characteristic values within the time period to obtain the integral value of the time period;

[0026] Determining the target smelting parameters corresponding to the slag overflow duration interval segment according to the integral value of the time period and the historical slag overflow characteristic value of the peak within the time period.

[0027] Optionally, after plotting the curve of the historical slag overflow characteristic value changing with time, the method further includes:

[0028] Based on the curve, determine the number of slag overflow occurrences, intensity, and time period, as well as the maximum historical slag overflow eigenvalue and the integral value of the historical slag overflow eigenvalue within each of the time periods, and determine the slag overflow suppression measures.

[0029] In a second aspect, the present invention provides a device for suppressing slag overflow in a converter, the device comprising:

[0030] A first acquisition module for acquiring the actual duration of smelting of the converter in the current heat, the start time of the actual duration being the start time of smelting of the current heat, and the end time being the current time;

[0031] An adjustment module for adjusting the smelting parameters of the converter to target smelting parameters if the actual duration is within a preset easy slag overflow duration interval, and acquiring the current slag overflow eigenvalue of the converter in the current heat, the current slag overflow eigenvalue being used to characterize the current slag overflow intensity;

[0032] A calculation module for calculating the duration during which the current slag overflow eigenvalue is greater than a preset eigenvalue threshold if the current slag overflow eigenvalue is greater than the preset eigenvalue threshold;

[0033] An alarm module for giving an alarm if the duration is greater than a preset duration threshold to notify the operator to start the slag overflow suppression measures.

[0034] In a third aspect, the present invention provides an electronic device, comprising: a memory and a processor, the memory and the processor being communicatively connected to each other, the memory storing computer instructions, and the processor executing the computer instructions to execute the method as described in the first aspect.

[0035] In a fourth aspect, the present invention provides a computer-readable storage medium storing computer instructions for causing a computer to execute the method as described in the first aspect.

[0036] The technical solution provided in the embodiments of the present invention has at least the following technical effects or advantages:

[0037] A method, device, equipment and medium for suppressing converter slag overflow provided by an embodiment of the present invention obtain the actual duration of smelting of the converter in the current heat. The start time of the actual duration is the start time of smelting in the current heat, and the end time is the current time, so as to understand the progress of smelting. If the actual duration is within a preset easy-slag-overflow duration interval, it means that the smelting enters a time period prone to slag overflow, then adjust the smelting parameters of the converter to target smelting parameters to suppress slag overflow, and obtain the current slag overflow characteristic value of the converter in the current heat. The current slag overflow characteristic value is used to characterize the current slag overflow intensity to understand whether slag overflow actually occurs. If the current slag overflow characteristic value is greater than a preset characteristic value threshold, it means that slag overflow actually occurs, then calculate the duration for which the current slag overflow characteristic value is greater than the characteristic value threshold to understand whether the slag overflow is controlled. If the duration is greater than a preset duration threshold, it means that the slag overflow is not effectively controlled, then an alarm is given to notify the operator to start slag overflow suppression measures to further suppress the slag overflow. This method adjusts the smelting parameters of the converter when the actual duration of smelting of the converter enters the duration interval prone to slag overflow, and starts the anti-slag-overflow operation in advance. If the effect of the early suppression is not good, then notify the operator to perform manual suppression operation to further improve the suppression effect of slag overflow.

[0038] The above description is only an overview of the technical solution of the present invention. In order to be able to understand the technical means of the present invention more clearly, it can be implemented according to the content of the specification. And in order to make the above and other purposes, features and advantages of the present invention more obvious and understandable, the following specifically describes the embodiments of the present invention. Description of the Drawings

[0039] By reading the following detailed description of the preferred embodiments, various other advantages and benefits will become clear to those of ordinary skill in the art. The drawings are only for the purpose of showing the preferred embodiments and are not considered to be a limitation of the present invention. And throughout the drawings, the same reference numerals are used to represent the same components. In the drawings:

[0040] Figure 1 is a flowchart of a method for suppressing converter slag overflow provided by an embodiment of the present invention;

[0041] Figure 2 is a current slag overflow image of the converter mouth provided by an embodiment of the present invention;

[0042] Figure 3 is an image of the processed region of interest provided by an embodiment of the present invention;

[0043] Figure 4 is a curve of the change of historical slag overflow characteristic value with time provided by an embodiment of the present invention;

[0044] Figure 5It is a structural block diagram of a converter slag overflow suppression device provided by an embodiment of the present invention. Detailed implementation manners

[0045] To make the objectives, technical solutions, and advantages of the present application clearer, the following will further describe the embodiments of the present application in detail with reference to the accompanying drawings. It should be understood that the embodiments of the present disclosure and the specific features in the embodiments are detailed descriptions of the technical solutions of the present application, rather than limitations on the technical solutions of the present application. Without conflict, the technical features in the embodiments of the present application and the embodiments can be combined with each other.

[0046] Figure 1 It is a flowchart of a converter slag overflow suppression method provided by an embodiment of the present invention. As Figure 1 shown, the method includes:

[0047] Step S110: Obtain the actual duration of smelting of the converter for the current heat.

[0048] In the embodiment of the present application, after the smelting of the current heat starts, the actual duration of smelting of the converter is statistically calculated in real time, that is, how long the converter has been smelted under the current heat. The starting moment of the actual duration is the starting moment of the smelting of the current heat, and the ending moment is the current moment.

[0049] Step S120: If the actual duration is within a preset easy slag overflow duration interval, adjust the smelting parameters of the converter to target smelting parameters, and obtain the current slag overflow characteristic value of the converter for the current heat.

[0050] Among them, the current slag overflow characteristic value is used to characterize the current slag overflow intensity. The target smelting parameters include the target oxygen lance height.

[0051] In the embodiment of the present application, the easy slag overflow duration interval will be calibrated in advance. The easy slag overflow duration interval is used to characterize the interval of the smelting duration when slag overflow is likely to occur, that is, slag overflow is likely to occur within the easy slag overflow duration interval.

[0052] Specifically, if the actual duration is within the preset easy slag overflow duration interval, it indicates that the converter may have slag overflow. Then, before slag overflow occurs, the smelting parameters of the converter can be adjusted to the target smelting parameters, and at the same time, an alarm reminder can be given to prevent slag overflow from occurring and improve the stability of converter smelting. Then, the current slag overflow characteristic value of the converter is obtained to understand the actual slag overflow situation of the converter.

[0053] In the embodiment of the present application, if the actual duration is not within the preset easy slag overflow duration interval, control the smelting parameters of the converter to standard smelting parameters. Among them, the standard smelting parameters are the smelting parameters when the converter is operating normally.

[0054] Step S130: If the current slag overflow eigenvalue is greater than the preset eigenvalue threshold, calculate the duration for which the current slag overflow eigenvalue is greater than the eigenvalue threshold.

[0055] In the embodiment of the present application, if the current slag overflow eigenvalue is greater than the preset eigenvalue threshold, it indicates that slag overflow has occurred. Then, calculate the duration for which the current slag overflow eigenvalue is greater than the eigenvalue threshold, that is, the duration of continuous slag overflow.

[0056] In the embodiment of the present application, if the current slag overflow eigenvalue is less than or equal to the eigenvalue threshold, it indicates that no slag overflow has occurred, and the change of the current slag overflow eigenvalue can be continuously observed.

[0057] Step S140: If the duration is greater than the preset duration threshold, issue an alarm to notify the operator to initiate slag overflow suppression measures.

[0058] In the embodiment of the present application, if the duration is greater than the preset duration threshold, it indicates that the slag overflow suppression effect brought by adjusting the smelting parameters of the converter to the target smelting parameters is not ideal. Therefore, it is necessary to promptly notify the operator, and the operator manually initiates slag overflow suppression measures to further control the development of slag overflow and improve the slag overflow suppression effect.

[0059] In the embodiment of the present application, if the duration is less than or equal to the duration threshold, it indicates that the slag overflow situation has been suppressed, and then return to step S110.

[0060] Optionally, step S120 includes:

[0061] Obtain the current slag overflow image of the converter mouth of the current heat; crop the region of interest from the current slag overflow image; determine the slag overflow region from the region of interest; calculate the ratio of the area of the slag overflow region to the area of the region of interest to obtain the current slag overflow eigenvalue.

[0062] In the embodiment of the present application, a camera is arranged at the converter mouth, and the slag overflow image of the furnace mouth is collected through the camera.

[0063] Figure 2 is the current slag overflow image of the converter mouth provided by the embodiment of the present invention, Figure 2 The box within is the cropped region of interest. Figure 3 is an image of the processed region of interest provided by the embodiment of the present invention. As Figure 3 shown, the image in the box in Figure 2 is processed through an image processing method to obtain Figure 3 , Figure 3The slag overflow area, i.e., the white area A, can be seen more clearly. Extract the white area A, calculate its first area, then calculate the second area of the entire region of interest. Finally, calculate the ratio of the first area to the second area to obtain the current slag overflow characteristic value. Among them, the image processing methods include simple threshold segmentation method, Otsu algorithm, adaptive threshold segmentation method, and intelligent recognition and segmentation method based on deep learning, and one or more of them can be selected according to the image color, processing speed, and accuracy requirements.

[0064] It can be understood that the larger the first area, the more serious the slag overflow, so the corresponding current slag overflow characteristic value will also be larger. Therefore, the current slag overflow characteristic value can characterize the current slag overflow intensity. Among them, the current slag overflow characteristic value can be expressed in the form of a percentage.

[0065] In the embodiment of the present application, the original image collected by the camera and the image of the region of interest can be displayed on the computer screen for the operator to view.

[0066] Optionally, there are multiple slag overflow duration intervals, and different slag overflow duration intervals correspond to different target smelting parameters.

[0067] In the embodiment of the present application, a furnace campaign may experience multiple slag overflows. Therefore, multiple slag overflow duration intervals are set, and the possible slag overflow intensities within each slag overflow duration interval are different. Therefore, the corresponding target smelting parameters are also different to achieve a better slag overflow suppression effect.

[0068] Optionally, the method further includes:

[0069] The first step: Obtain the historical slag overflow characteristic value of the converter of the historical furnace campaign, where the historical furnace campaign is the furnace campaign before the current furnace campaign.

[0070] In the embodiment of the present application, obtain the historical slag overflow image of the converter mouth of the historical furnace campaign; crop the region of interest from the historical slag overflow image; determine the slag overflow area from the region of interest; calculate the ratio of the area of the slag overflow area to the area of the region of interest to obtain the historical slag overflow characteristic value.

[0071] The second step: Draw a curve of the historical slag overflow characteristic value changing with time.

[0072] In the embodiment of the present application, according to the video analysis frequency of the camera and the historical slag overflow characteristic value corresponding to each collected historical slag overflow image, draw a curve of the historical slag overflow characteristic value changing with time. Among them, the video analysis frequency includes the image sampling frequency.

[0073] Figure 4 is a curve of the historical slag overflow characteristic value changing with time provided by the embodiment of the present invention, as Figure 4As shown, the abscissa is time and the ordinate is the historical slag overflow characteristic value.

[0074] Step 3: Determine the time period when slag overflow occurs according to the curve.

[0075] In the embodiment of the present application, the curve may include one or more peaks. If the historical slag overflow characteristic value corresponding to the peak is greater than the characteristic value threshold, it indicates that the converter has slag overflow at the time corresponding to the peak. Starting from this peak, find the time points when the historical slag overflow characteristic value is equal to the characteristic value threshold forward and backward, and use them as the start time and end time of the slag overflow time period respectively. Using this method, one or more time periods of slag overflow can be obtained.

[0076] Step 4: Determine the easy slag overflow duration interval according to the time period.

[0077] In the embodiment of the present application, according to the time period of slag overflow, the maximum duration and minimum duration of the converter smelting within this time period can be calculated, and the easy slag overflow duration interval is determined according to the maximum duration and minimum duration of smelting. For example, if smelting starts at 9:00 and the time period of slag overflow is from 9:10 to 9:20, the maximum duration of the converter smelting is 20 minutes and the minimum duration is 10 minutes, then the easy slag overflow duration interval can be set to 10 - 20 minutes.

[0078] Among them, the historical slag overflow characteristic value can include the historical slag overflow characteristic values of multiple historical furnace charges. Therefore, the curve can also include the curves of multiple historical furnace charges, and the time period will correspondingly include the time periods of multiple historical furnace charges. Therefore, the time period of slag overflow can be determined comprehensively according to the time periods of multiple historical furnace charges.

[0079] Optionally, after Step 3, the method further includes:

[0080] Step 5: Determine the target smelting parameters corresponding to the easy slag overflow duration interval according to the historical slag overflow characteristic value of the peak within the time period.

[0081] In the embodiment of the present application, the curve includes at least one peak within the time period of slag overflow. The greater the historical slag overflow characteristic value of the peak within each time period, the greater the intensity of slag overflow. Therefore, determining the target smelting parameters according to the historical slag overflow characteristic value of this peak can make the inhibition effect of slag overflow better. For example, the greater the historical slag overflow characteristic value, the greater the change in the target smelting parameters compared with the standard smelting parameters.

[0082] In the embodiment of the present application, the number of easy slag overflow duration intervals is determined according to the number of peaks whose historical slag overflow characteristic value is greater than the characteristic value threshold.

[0083] In the embodiments of the present application, if the historical slag overflow characteristic value corresponding to the wave peak is greater than the characteristic value threshold, it indicates that the converter has a slag overflow at the time corresponding to the wave peak. Therefore, the number of wave peaks with historical slag overflow characteristic values greater than the characteristic value threshold is the number of times of slag overflow, and the number of times of slag overflow can determine the number of easy slag overflow duration intervals. Of course, according to the time situation, the size relationship between the number of times of slag overflow and the number of easy slag overflow duration intervals can also be adjusted.

[0084] Optionally, the fifth step includes:

[0085] Integrate the historical slag overflow characteristic values within the time period to obtain the integral value of the time period; determine the target smelting parameters corresponding to the easy slag overflow duration interval according to the integral value of the time period and the historical slag overflow characteristic values of the wave peaks within the time period.

[0086] In the embodiments of the present application, the historical slag overflow characteristic values within each time period of slag overflow can also be integrated to obtain the integral value of each time period of slag overflow, and the intensity of slag overflow within the corresponding time period is reflected through the integral value. For example, the larger the integral value, the greater the intensity of slag overflow.

[0087] Next, comprehensively consider the integral value of the time period and the historical slag overflow characteristic values of the wave peaks within the time period to determine the target smelting parameters corresponding to the slag overflow duration interval. Among them, the larger the integral value, the greater the change in the target smelting parameters compared with the standard smelting parameters.

[0088] Optionally, after the fourth step, the method further includes:

[0089] According to the curve, determine the number of times, intensity and time period of slag overflow, as well as the maximum historical slag overflow characteristic value and the integral value of the historical slag overflow characteristic values within each time period, and determine the slag overflow suppression measures.

[0090] In the embodiments of the present application, there is a database, and the slag overflow information such as the number of times, intensity and time period of slag overflow determined according to the curve, as well as the maximum historical slag overflow characteristic value and the integral value of the historical slag overflow characteristic values within each time period can be recorded in the database. One furnace campaign can correspond to a set of slag overflow information. Then, analyze these slag overflow information in the database as a reference factor for determining the slag overflow suppression measures.

[0091] In daily management, the slag overflow information in the database can be retrieved for review and summary to form daily reports, weekly reports, and monthly reports. The key factors affecting slag overflow during converter smelting are analyzed, and recommended converter process operation systems for different classified furnace batches are given. The slag overflow information is saved in association with information such as converter process operation components according to furnace batches, and the furnace batches are marked with emphasis. Digital management of the slag overflow situation in converter smelting is achieved; combined with deep learning algorithms such as big data, it provides a reference for subsequent furnace batches to take countermeasures, improves the awareness and time of effective slag overflow prevention, solves the technical problem of short response time for controlling slag overflow during converter blowing, and thus is beneficial to the efficient and stable operation of the converter and promotes the automated smelting of the converter.

[0092] Among them, numerical filtering and anti-interference processing can be performed on the curve to ensure the accuracy of the extracted time period of slag overflow. The slag overflow intensity can be determined according to the historical slag overflow characteristic values of the peaks. The historical slag overflow characteristic values of the peaks are divided into intervals, and different intervals correspond to different slag overflow intensities. For example, 3 intervals are divided, and the slag overflow intensities corresponding to the 3 intervals are large, medium, and small respectively. The greater the slag overflow intensity, the greater the average value of the historical slag overflow characteristic values within the interval.

[0093] In the embodiment of the present application, when the database stores the slag overflow information of a certain number of furnace batches, at the start of a new furnace batch, based on information such as smelting components, the slag overflow information of similar furnace batches in the database can be found through deep learning algorithms, and suggestions are given to the converter operators. The database has a self-learning and self-updating function, and the database content is updated after a certain time is set.

[0094] Based on the same inventive concept, the embodiment of the present invention also provides a device for suppressing slag overflow in a converter. Figure 5 It is a structural block diagram of a device for suppressing slag overflow in a converter provided by the embodiment of the present invention, as Figure 5 shown. The device 500 includes a first acquisition module 501, an adjustment module 502, a calculation module 503, and an alarm module 504.

[0095] The first acquisition module 501 is used to acquire the actual duration of smelting of the converter for the current furnace batch. The starting moment of the actual duration is the starting moment of smelting of the current furnace batch, and the ending moment is the current moment.

[0096] The adjustment module 502 is used to adjust the smelting parameters of the converter to target smelting parameters if the actual duration is within a preset easy-to-slag-overflow duration interval, and acquire the current slag overflow characteristic value of the converter for the current furnace batch. The current slag overflow characteristic value is used to characterize the current slag overflow intensity.

[0097] The calculation module 503 is used to calculate the duration for which the current slag overflow characteristic value is greater than a preset characteristic value threshold if the current slag overflow characteristic value is greater than the preset characteristic value threshold.

[0098] An alarm module 504, configured to perform an alarm if the continuous duration is greater than a preset duration threshold, so as to notify an operator to initiate a slag overflow suppression measure.

[0099] Optionally, the adjustment module 502 is further configured to:

[0100] Obtain a current slag overflow image of the converter mouth of the current heat;

[0101] Crop a region of interest from the current slag overflow image;

[0102] Determine a slag overflow region from the region of interest;

[0103] Calculate a ratio of the area of the slag overflow region to the area of the region of interest to obtain a current slag overflow characteristic value.

[0104] Optionally, there are multiple easy slag overflow duration intervals, and different easy slag overflow duration intervals correspond to different target smelting parameters.

[0105] Optionally, the device 500 further includes:

[0106] A second acquisition module, configured to acquire a historical slag overflow characteristic value of the converter of a historical heat, where the historical heat is the heat before the current heat;

[0107] A plotting module, configured to plot a curve of the historical slag overflow characteristic value changing with time;

[0108] A first determination module, configured to determine a time period during which slag overflow occurs according to the curve;

[0109] A second determination module, configured to determine an easy slag overflow duration interval according to the time period.

[0110] Optionally, the curve includes at least one peak during the time period when slag overflow occurs, and the device 500 further includes:

[0111] A third determination module, configured to determine the target smelting parameters corresponding to the easy slag overflow duration interval according to the historical slag overflow characteristic value of the peak during the time period.

[0112] Optionally, the third determination module is further configured to:

[0113] Integrate the historical slag overflow characteristic values during the time period to obtain an integral value of the time period;

[0114] Determine the target smelting parameters corresponding to the easy slag overflow duration interval according to the integral value of the time period and the historical slag overflow characteristic value of the peak during the time period.

[0115] Optionally, the device 500 further includes a fourth determination module, configured to:

[0116] Based on the curve, determine the number of times of overflow slag, the intensity and time period of overflow slag, as well as the maximum historical overflow slag characteristic value and the integral value of the historical overflow slag characteristic value within each time period, and determine the overflow slag suppression measures.

[0117] It can be understood that the device provided in the above embodiment is only illustrated by the division of the above function modules. In actual application, the above functions can be assigned to different function modules according to needs, that is, the internal structure of the device is divided into different function modules to complete all or part of the functions described above.

[0118] The embodiment of the present invention also provides an electronic device, which may include a processor and a memory, and the processor and the memory may be communicatively connected to each other through a bus or other means.

[0119] The processor may be a central processing unit (CPU), or an application specific integrated circuit (ASIC), or one or more integrated circuits configured to implement the embodiments of the present application, or may also be other general purpose processors, digital signal processors (DSPs), application specific integrated circuits (ASICs), field programmable gate arrays (FPGAs) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc. chips, or a combination of the above various types of chips.

[0120] The memory may include a large-capacity memory for data or instructions. By way of example and not limitation, the memory may include a hard disk drive (HDD), a floppy disk drive, a flash memory, an optical disc, a magneto-optical disc, a magnetic tape, or a universal serial bus (USB) drive, or a combination of two or more of these. In a suitable case, the memory may include a removable or non-removable (or fixed) medium. In a suitable case, the memory may be internal or external to the electronic device. In a particular embodiment, the memory may be a non-volatile solid-state memory.

[0121] In one example, the memory may be a Read Only Memory (ROM). In one example, the ROM may be a mask-programmed ROM, a Programmable ROM (PROM), an Erasable PROM (EPROM), an Electrically Erasable PROM (EEPROM), an Electrically Alterable ROM (EAROM), or a flash memory, or a combination of two or more of these.

[0122] The processor reads and executes the computer program instructions stored in the memory to implement any one of the converter slag overflow suppression methods in the above embodiments.

[0123] In one example, the electronic device may further include a communication interface and a bus. Among them, the processor, the memory, and the communication interface are connected through the bus and complete communication with each other. The communication interface is mainly used to implement communication between each module, device, unit, and / or device in the embodiments of the present application. In a suitable case, the bus may include one or more buses.

[0124] In addition, in combination with the converter slag overflow suppression method in the above embodiments, the embodiments of the present invention may provide a computer-readable storage medium to implement. Computer program instructions are stored on the computer-readable storage medium; when the computer program instructions are executed by the processor, any one of the converter slag overflow suppression methods in the above embodiments is implemented.

[0125] Those skilled in the art can understand that all or part of the processes of implementing the methods in the above embodiments can be completed by instructing relevant hardware through a computer program. The program can be stored in a computer-readable storage medium. When the program is executed, it may include the processes of the embodiments of the above methods. Among them, the storage medium may be a Read-Only Memory (ROM), a Random Access Memory (RAM), a Flash Memory, a Hard Disk Drive (abbreviation: HDD), or a Solid-State Drive (SSD), etc.; the storage medium may also include a combination of the above types of memories.

[0126] The technical solutions in the embodiments of the present application at least have the following technical effects or advantages:

[0127] A method, device, equipment and medium for suppressing converter slag overflow provided by an embodiment of the present invention obtain the actual duration of smelting of the converter in the current heat to understand the progress of smelting. If the actual duration is within a preset easy slag overflow duration interval, it indicates that the smelting has entered a time period prone to slag overflow. Then, the smelting parameters of the converter are adjusted to target smelting parameters to suppress slag overflow, and the current slag overflow characteristic value of the converter in the current heat is obtained. The current slag overflow characteristic value is used to characterize the current slag overflow intensity to understand whether slag overflow actually occurs. If the current slag overflow characteristic value is greater than a preset characteristic value threshold, it indicates that slag overflow actually occurs. Then, the duration for which the current slag overflow characteristic value is greater than the characteristic value threshold is calculated to understand whether the slag overflow is controlled. If the duration is greater than a preset duration threshold, it indicates that the slag overflow is not effectively controlled, and an alarm is given to notify the operator to start slag overflow suppression measures to further suppress the slag overflow. This method adjusts the smelting parameters of the converter when the actual duration of smelting of the converter enters the duration interval prone to slag overflow, and starts the anti-slag overflow operation in advance. If the effect of early suppression is not good, the operator is notified to perform manual suppression operation to further improve the suppression effect of slag overflow.

[0128] In the specification provided here, a large number of specific details are described. However, it can be understood that the embodiments of the present invention can be practiced without these specific details. In some instances, well-known methods, structures, and technologies are not shown in detail so as not to obscure the understanding of this specification.

[0129] Similarly, it should be understood that, in order to streamline this disclosure and assist in understanding one or more of the various inventive aspects, in the above description of the exemplary embodiments of the present invention, the various features of the present invention are sometimes grouped together into a single embodiment, figure, or description thereof. However, the disclosed method should not be construed as reflecting the intention that the claimed invention requires more features than are expressly recited in each claim. Rather, as reflected in the following claims, the inventive aspects lie in less than all the features of the preceding single embodiment. Thus, the claims following the detailed description are hereby expressly incorporated into this detailed description, where each claim itself serves as a separate embodiment of the present invention.

[0130] It should be noted that the above embodiments are illustrative of the present invention and not restrictive, and those skilled in the art can design alternative embodiments without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in the claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The present invention can be implemented by means of hardware including several different elements and by means of a suitably programmed computer. In the unit claims listing several devices, several of these devices can be embodied by the same item of hardware. The use of the words first, second, and third, etc. does not denote any order. These words can be interpreted as names.

Claims

1. A method for suppressing converter slag overflow, characterized in that, The method includes: Obtaining the actual duration of smelting of the converter in the current heat, where the starting moment of the actual duration is the starting moment of smelting of the current heat, and the ending moment is the current moment; If the actual duration is within a preset easy slag overflow duration interval, adjusting the smelting parameters of the converter to target smelting parameters, and obtaining the current slag overflow characteristic value of the converter in the current heat, where the current slag overflow characteristic value is used to characterize the current slag overflow intensity; If the current slag overflow characteristic value is greater than a preset characteristic value threshold, calculating the duration for which the current slag overflow characteristic value is greater than the characteristic value threshold; If the duration is greater than a preset duration threshold, giving an alarm to notify the operator to initiate slag overflow suppression measures.

2. The method for suppressing converter slag overflow according to claim 1, wherein The obtaining the current slag overflow characteristic value of the converter in the current heat includes: Obtaining the current slag overflow image of the converter mouth in the current heat; Cropping a region of interest from the current slag overflow image; Determining the slag overflow region from the region of interest; Calculating the ratio of the area of the slag overflow region to the area of the region of interest to obtain the current slag overflow characteristic value.

3. The method for suppressing converter slag overflow according to claim 1, wherein There are multiple preset easy slag overflow duration intervals, and different easy slag overflow duration intervals correspond to different target smelting parameters.

4. The method for suppressing converter slag overflow according to claim 3, characterized in that, The method further includes: Obtaining the historical slag overflow characteristic value of the converter in a historical heat, where the historical heat is the heat before the current heat; Plotting a curve of the historical slag overflow characteristic value changing with time; Determining the time period when slag overflow occurs according to the curve; Determining the easy slag overflow duration interval according to the time period.

5. The method for suppressing converter slag overflow according to claim 4, wherein The curve includes at least one peak within the time period when slag overflow occurs. After determining the time period when slag overflow occurs according to the curve, the method further includes: Determining the target smelting parameters corresponding to the easy slag overflow duration interval according to the historical slag overflow characteristic value of the peak within the time period.

6. The method for suppressing converter slag overflow according to claim 5, wherein, The determining the target smelting parameters corresponding to the easy slag overflow duration interval according to the historical slag overflow characteristic value of the peak within the time period includes: Integrating the historical slag overflow characteristic values within the time period to obtain the integral value of the time period; Determining the target smelting parameters corresponding to the easy slag overflow duration interval according to the integral value of the time period and the historical slag overflow characteristic value of the peak within the time period.

7. The method for suppressing converter slag overflow according to claim 4, characterized in that, After plotting the curve of the historical slag overflow characteristic value changing with time, the method further includes: Determining the number of times, intensity, and time period of slag overflow, as well as the maximum historical slag overflow characteristic value and the integral value of the historical slag overflow characteristic value within each time period according to the curve, and determining the slag overflow suppression measures.

8. A converter slag overflow suppression device, characterized in that, The device includes: A first obtaining module, configured to obtain the actual duration of smelting of the converter in the current heat, where the starting moment of the actual duration is the starting moment of smelting of the current heat, and the ending moment is the current moment; An adjusting module, configured to, if the actual duration is within a preset easy slag overflow duration interval, adjust the smelting parameters of the converter to target smelting parameters, and obtain the current slag overflow characteristic value of the converter in the current heat, where the current slag overflow characteristic value is used to characterize the current slag overflow intensity; A calculation module, configured to calculate the duration for which the current slag overflow characteristic value is greater than a preset characteristic value threshold if the current slag overflow characteristic value is greater than the preset characteristic value threshold; An alarm module, configured to give an alarm if the duration is greater than a preset duration threshold, so as to notify an operator to initiate a slag overflow suppression measure.

9. An electronic device, characterized in that, Comprising: A memory and a processor, the memory and the processor are communicatively connected to each other, the memory stores computer instructions, and the processor executes the computer instructions to execute the method according to any one of claims 1-7.

10. A computer-readable storage medium, characterized in that, The computer-readable storage medium stores computer instructions, and the computer instructions are used to cause the computer to execute the method according to any one of claims 1-7.

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