Fuel proportion adjusting method and device for sintered ore, electronic equipment and storage medium

Abstract

The embodiment of the invention provides a fuel ratio adjusting method and device for sintered ore, electronic equipment and a storage medium, and relates to the technical field of sintering. According to the method, the first ferrous oxide content of the sinter is detected according to a preset period, and if the first ferrous oxide content is not within a target ferrous oxide content range, a first raw material of the sinter in the current period, a fuel ratio of the sinter in the current period and a second raw material of the sinter in the previous period are obtained; and according to the first ferrous oxide content, the target content value, the first raw material, the second raw material and the fuel ratio, the fuel ratio adjustment value of the next period is calculated. Therefore, the fuel ratio adjustment value can be automatically calculated, the precision of ferrous oxide content control is improved, and the real-time performance and response speed of adjustment are enhanced.

Description

Technical Field

[0001] This invention relates to the field of sintering technology, and more specifically, to a method, apparatus, electronic device, and storage medium for adjusting the fuel ratio of sintered ore. Background Technology

[0002] In blast furnace ironmaking, the ferrous oxide (FeO) content of sinter is of paramount importance, as it significantly impacts sinter quality, primarily in terms of mechanical strength and reducibility. Specifically, a high FeO content facilitates the formation of a larger liquid phase during sintering, which enhances the mechanical strength of the sinter. However, excessive FeO generates difficult-to-reducible minerals, reducing the reducibility of the sinter and requiring more coke. Therefore, the industry currently generally controls the ferrous oxide content of sinter at around 8.5%.

[0003] During sintering, the increase in fuel (carbon) leads to enhanced reducing properties, thereby promoting the formation of FeO. The ferrous oxide content of sintered ore is mainly controlled by adjusting the fuel ratio. Currently, enterprises control ferrous oxide content manually, relying on experience. However, manual adjustment has drawbacks such as low accuracy, insufficient timeliness, and limited adaptability. Summary of the Invention

[0004] In view of this, the object of the present invention is to provide a method, apparatus, electronic device and storage medium for adjusting the fuel ratio of sintered ore to at least partially improve the above-mentioned problems.

[0005] To achieve the above objectives, the technical solutions adopted in the embodiments of the present invention are as follows: In a first aspect, embodiments of the present invention provide a method for adjusting the fuel ratio of sintered ore, comprising: The primary ferrous oxide content of the sinter is tested according to a preset cycle. Determine whether the first ferrous oxide content is within the target ferrous oxide content range; the target ferrous oxide content range includes the target content value; If not, obtain the first raw material of the sinter for the current cycle, the fuel ratio of the sinter for the current cycle, and the second raw material of the sinter for the previous cycle; wherein, the fuel ratio represents the ratio of fuel to the first raw material; The fuel ratio adjustment value for the next cycle is calculated based on the first ferrous oxide content, the target content value, the first raw material, the second raw material, and the fuel ratio.

[0006] Optionally, calculating the fuel ratio adjustment value for the next cycle based on the first ferrous oxide content, the target content value, the first raw material, the second raw material, and the fuel ratio includes: The feedback adjustment value is calculated based on the first ferrous oxide content, the target content value, and the fuel ratio; Based on the carbon content of the first raw material and the carbon content of the second raw material, calculate the forward feedback adjustment value of the first raw material in the current cycle and the second raw material in the previous cycle. Based on the fuel ratio adjustment formula, the fuel ratio adjustment value for the next cycle is calculated according to the back feedback adjustment value and the front feedback adjustment value.

[0007] Optionally, the step of calculating the forward feedback adjustment value of the first raw material in the current cycle and the second raw material in the previous cycle based on the carbon content of the first raw material and the carbon content of the second raw material includes: Locate each carbon-containing first mineral powder in the first raw material and each carbon-containing second mineral powder in the second raw material; The first carbon content of the first raw material is calculated based on the proportion of each first mineral powder to the first raw material and the carbon content of each first mineral powder itself. The second carbon content of the second raw material is calculated based on the proportion of each second mineral powder to the second raw material and the carbon content of each second mineral powder itself. Subtracting the second carbon content from the first carbon content yields the forward feedback adjustment value of the first raw material in the current cycle and the second raw material in the previous cycle.

[0008] Optionally, the first carbon content is calculated using the following formula: R=p1×0.3+p2×0.7+p3×0.1+p4×0.1+p5×0.05+p6×0.05+p7×0.2 / 24+p8×0.08 / 24+p9×0. 26 / 24+p10×0.2 / 24+p11×0.25+p12×0.03 / 24+p13×0.4 / 24+p14×28 / 100+p15×25 / 100 / 24 Among them, p1 to p15 are the proportions of blast furnace gas ash, bottom coal, OG mud, iron oxide scale, OG concentrate, slag beneficiation concentrate, Chilean concentrate, IOC concentrate, South African PMC concentrate, Indonesian powder, blast furnace dry dust removal ash, Canadian concentrate, iron concentrate, homogeneous material, and Middle Eastern concentrate to the first raw material.

[0009] Optionally, the fuel ratio adjustment formula is:

[0010] in, Forward feedback adjustment coefficient, The aforementioned pre-feedback adjustment value, For subsequent feedback adjustment coefficients, This is the post-feedback adjustment value.

[0011] Optionally, the method further includes: The content of ferrous oxide in the sinter is additionally tested before a preset period. Determine whether the second ferrous oxide content is within the target ferrous oxide content range; the target ferrous oxide content range also includes a minimum boundary value and a maximum boundary value; If not, a warning is issued when the content of the first ferrous oxide detected in the previous test is less than the minimum boundary value and the content of the second ferrous oxide is greater than the maximum boundary value, or when the content of the first ferrous oxide detected in the previous test is greater than the maximum boundary value and the content of the second ferrous oxide is less than the minimum boundary value, prompting manual confirmation of the contradiction.

[0012] Optionally, the method further includes: Determine whether the fuel ratio adjustment value is greater than the preset maximum adjustment range; If so, the fuel ratio adjustment value is limited to the preset maximum adjustment range.

[0013] Secondly, embodiments of the present invention provide a fuel ratio adjustment device for sintered ore, comprising: The ferrous oxide content detection unit is used to detect the primary ferrous oxide content of sintered ore according to a preset cycle. The ferrous oxide content determination unit is used to determine whether the first ferrous oxide content is within the target ferrous oxide content range; the target ferrous oxide content range includes the target content value. The raw material and fuel acquisition unit is used to acquire, if not, the first raw material of the sinter in the current cycle, the fuel ratio of the sinter in the current cycle, and the second raw material of the sinter in the previous cycle; wherein the fuel ratio represents the ratio of fuel to the first raw material. The fuel ratio adjustment unit is used to calculate the fuel ratio adjustment value for the next cycle based on the first ferrous oxide content, the target content value, the first raw material, the second raw material, and the fuel ratio.

[0014] Thirdly, embodiments of the present invention provide an electronic device, including a memory, a processor, and a computer program stored in the memory and running on the processor, wherein the processor executes the computer program to implement the method described in any of the above-mentioned embodiments.

[0015] Fourthly, embodiments of the present invention provide a storage medium having a computer program stored thereon, wherein the computer program, when executed by a processor, implements the method described in any of the preceding claims.

[0016] This invention provides a method, apparatus, electronic device, and storage medium for adjusting the fuel ratio of sintered ore. By periodically detecting the ferrous oxide content of the sintered ore and automatically calculating and adjusting the fuel ratio for the next cycle based on the detection results, target content values, and changes in the raw material and fuel ratio, it achieves precise, dynamic, and adaptive control of the ferrous oxide content. This not only improves control accuracy and response speed but also enhances the system's adaptability to raw material fluctuations, optimizes resource utilization, reduces production costs, and promotes the intelligent upgrading of the sintering process.

[0017] To make the above-mentioned objectives, features and advantages of this application more apparent and understandable, preferred embodiments are described below in detail with reference to the accompanying drawings. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 A schematic structural block diagram of an electronic device provided in an embodiment of the present invention; Figure 2 A schematic flowchart of a method for adjusting the fuel ratio of sintered ore according to an embodiment of the present invention; Figure 3 Another schematic diagram of a method for adjusting the fuel ratio of sintered ore according to an embodiment of the present invention; Figure 4 A flowchart illustrating step S242 provided in an embodiment of the present invention; Figure 5 A schematic diagram of the additional detection process for a fuel ratio adjustment method for sintered ore provided in an embodiment of the present invention; Figure 6 This is a schematic structural block diagram of a fuel ratio adjustment device for sintered ore provided in an embodiment of the present invention.

[0020] Icons: 100 - Electronic device; 101 - Memory; 102 - Communication interface; 103 - Processor; 104 - Communication bus; 300 - Fuel ratio adjustment device for sintered ore; 310 - Ferrous oxide content detection unit; 320 - Ferrous oxide content judgment unit; 330 - Raw material and fuel acquisition unit; 340 - Fuel ratio adjustment unit. Detailed Implementation

[0021] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. The components of the embodiments of the present invention described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0022] Therefore, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the invention without inventive effort are within the scope of protection of the invention.

[0023] It should be noted that similar reference numerals and letters in the following figures indicate similar items; therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures. Furthermore, in the description of this invention, terms such as "first," "second," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0024] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0025] As described in the background section, the control of ferrous oxide content in sinter is mainly achieved by adjusting the fuel ratio. Currently, enterprises control ferrous oxide content manually, relying on experience. However, manual adjustment has drawbacks such as low accuracy, insufficient timeliness, and limited adaptability.

[0026] Based on the above, embodiments of the present invention provide a method, apparatus, electronic device and storage medium for adjusting the fuel ratio of sintered ore, thereby achieving precise, dynamic and adaptive control of ferrous oxide content by automatically calculating and adjusting the fuel ratio for the next cycle.

[0027] To implement the process steps and functions of the various examples of this invention, please refer to [link / reference]. Figure 1 , Figure 1 This is a schematic structural block diagram of an electronic device provided in an embodiment of the present invention. The electronic device 100 includes a memory 101 and a processor 103, which are electrically connected directly or indirectly to each other to achieve data transmission or interaction. For example, these components can be electrically connected to each other through one or more communication buses 104 or signal lines. The memory 101 can be used to store software programs and modules, and the processor 103 executes the software programs and modules stored in the memory 101, thereby performing various functional applications and data processing.

[0028] Electronic device 100 can be, but is not limited to, a personal computer (PC), a server, a distributed computer, etc. It is understood that electronic device 100 is not limited to a physical server, but can also be a virtual machine on a physical server, a virtual machine built on a cloud platform, or any other computer that can provide the same functionality as the server or virtual machine. The operating system of electronic device 100 can be, but is not limited to, Windows, Linux, etc.

[0029] The memory 101 may be, but is not limited to, random access memory (RAM), read-only memory (ROM), programmable read-only memory (PROM), erasable programmable read-only memory (EPROM), electrically erasable programmable read-only memory (EEPROM), etc.

[0030] The communication connection between the electronic device 100 and external devices is achieved through at least one communication interface 102 (which can be wired or wireless).

[0031] Processor 103 may be an integrated circuit chip with signal processing capabilities. In implementation, the steps of this embodiment can be completed by integrated logic circuits in the hardware of processor 103 or by instructions in software form. Processor 103 may be a general-purpose processor, including a central processing unit (CPU), a network processor (NP), etc.; it may also be a digital signal processor (DSP), an application-specific integrated circuit (ASIC), a field-programmable gate array (FPGA), or other programmable logic devices, discrete gate or transistor logic devices, or discrete hardware components.

[0032] Understandable. Figure 1 The structure shown is for illustrative purposes only; the electronic device 100 may also include components that are more advanced than those shown. Figure 1 The more or fewer components shown, or having the same Figure 1 The different configurations shown. Figure 1 The components shown can be implemented using hardware, software, or a combination thereof.

[0033] The following is an exemplary description of the fuel ratio adjustment method for sintered ore provided by the present invention. See also... Figure 2 The subject executing this method can be one of the above. Figure 1 The electronic device 100 shown, the method includes as follows Figure 2 The following steps are described: S210: Detect the primary ferrous oxide content of sintered ore according to a preset cycle.

[0034] S220: Determine whether the first ferrous oxide content is within the target ferrous oxide content range; the target ferrous oxide content range includes the target content value.

[0035] The target ferrous oxide content range is a range, such as 8% to 9%, while the target content value is the most desired value, such as 8.5%.

[0036] S230: If not, obtain the first raw material of sinter for the current cycle, the fuel ratio of sinter for the current cycle, and the second raw material of sinter for the previous cycle; wherein, the fuel ratio represents the ratio of fuel to the first raw material.

[0037] S240: Calculate the fuel ratio adjustment value for the next cycle based on the first ferrous oxide content, the target content value, the first raw material, the second raw material, and the fuel ratio.

[0038] The preset cycle can be 2 hours, meaning the ferrous oxide content is checked every 2 hours to adjust the fuel ratio. After checking the ferrous oxide content, it is determined whether the content is within the target range. If it is, no action is taken, as the sinter has met the requirements. If it is outside the target range, the sinter has not yet met the requirements and adjustments are necessary.

[0039] Obtain the first raw material for the sinter in the current cycle, i.e., what raw materials were used for sintering in the current cycle, and what mineral powders were included in the first raw material. Obtain the fuel ratio for the sinter in the current cycle, which is the ratio of fuel to the first raw material. For example, if the weight of the first raw material is 600 tons and the fuel is 24 tons, then the fuel ratio is 24 / 600 = 4%. Obtain the second raw material for the sinter in the previous cycle, i.e., the raw material used for sintering 2 hours ago. This second raw material can be the same as or different from the first raw material.

[0040] After obtaining the above data, the fuel ratio adjustment value for the next cycle can be calculated based on the first ferrous oxide content, the target content value, the first raw material, the second raw material, and the fuel ratio. For example, if the calculated fuel ratio adjustment value is 0.5%, then the fuel ratio for the next cycle is 4.5%. If the weight of the raw material in the next cycle is 600 tons, then 600 × 4.5% = 27 tons of fuel need to be added.

[0041] This method can achieve precise, dynamic and adaptive control of ferrous oxide content by periodically detecting the ferrous oxide content of sinter and automatically calculating and adjusting the fuel ratio for the next cycle based on the detection results, target content value and changes in raw material and fuel ratio.

[0042] There are several ways to calculate the fuel blending adjustment value. To calculate the adjustment value more accurately, a feedforward-feedback control strategy can be used to achieve intelligent optimization and regulation of the fuel supply. In one possible implementation, see [link to relevant documentation]. Figure 3 The above step S240 may include the following steps: S241: The feedback adjustment value is calculated based on the first ferrous oxide content, the target content value, and the fuel ratio.

[0043] Input the first ferrous oxide content (current cycle measured value), the target content value (set standard value), and the fuel ratio (current cycle), calculate the deviation between the ferrous oxide content and the target value in the current cycle, and then calculate the feedback adjustment value.

[0044] The post-feedback adjustment value can be calculated using a ratio. For example, if the target content is 8.5%, the first ferrous oxide content is 8.7%, and the fuel ratio is 4%, then the post-feedback adjustment value is (8.5% - 8.7%) / 4% = -5%.

[0045] S242: Calculate the forward feedback adjustment values ​​of the first raw material and the second raw material in the current cycle based on the carbon content of the first raw material and the carbon content of the second raw material in the previous cycle.

[0046] Input the carbon content of the first raw material (current period) and the carbon content of the second raw material (previous period) to compare the changing trend of the carbon content of the raw materials between adjacent periods.

[0047] S243: Based on the fuel ratio adjustment formula, calculate the fuel ratio adjustment value for the next cycle according to the back feedback adjustment value and the front feedback adjustment value.

[0048] The fuel blending adjustment formula can be a linear or nonlinear weighted model. Combining the back-feedback adjustment value and the front-feedback adjustment value, the fuel blending adjustment value for the next cycle is calculated using the preset formula. This allows for a comprehensive consideration of the actual effect of the current cycle and the expected changes in the next cycle, achieving more precise and stable control.

[0049] Before calculating the feedback adjustment value, it is necessary to calculate the carbon content of the first raw material and the carbon content of the second raw material. Therefore, in one possible implementation, see [link to relevant documentation]. Figure 4 Step S242 may include the following steps: S2421: Locate each carbon-containing first mineral powder in the first raw material and each carbon-containing second mineral powder in the second raw material.

[0050] S2422: Calculate the first carbon content of the first raw material based on the proportion of each first mineral powder to the first raw material and the carbon content of each first mineral powder itself.

[0051] S2423: Calculate the second carbon content of the second raw material based on the proportion of each second mineral powder to the second raw material and the carbon content of each second mineral powder itself.

[0052] S2424: Subtract the second carbon content from the first carbon content to obtain the forward feedback adjustment value of the first raw material in the current cycle and the second raw material in the previous cycle.

[0053] First, identify the carbon-containing first mineral powders in the first raw material and the carbon-containing second mineral powders in the second raw material. The carbon-containing mineral powders can be found directly from a pre-defined data table, which stores the carbon-containing mineral powders and their carbon content percentages. Then, calculate the first carbon content percentage of the first raw material and the second carbon content percentage of the second raw material based on this data. For example, if the first raw material includes three mineral powders, A, B, and C, with proportions of 20%, 30%, and 50% respectively, and A and B contain carbon at proportions of 5% and 10% respectively, then the first carbon content percentage of the first raw material is 20% × 5% + 30% × 10% = 4%. Similarly, the second carbon content percentage of the second raw material can be calculated. If it is 3%, then the pre-feedback adjustment value is 4% - 3% = 1%. In another possible scenario, this pre-feedback adjustment value can be multiplied by the blending ratio, for example, 63%, then the pre-feedback adjustment value is 0.63%.

[0054] In one alternative approach, the first carbon content is calculated using the following formula: R=p1×0.3+p2×0.7+p3×0.1+p4×0.1+p5×0.05+p6×0.05+p7×0.2 / 24+p8×0.08 / 24+p9×0. 26 / 24+p10×0.2 / 24+p11×0.25+p12×0.03 / 24+p13×0.4 / 24+p14×28 / 100+p15×25 / 100 / 24 Among them, p1 to p15 are the proportions of blast furnace gas ash, bottom coal, OG mud, iron oxide scale, OG concentrate, slag beneficiation concentrate, Chilean concentrate, IOC concentrate, South African PMC concentrate, Indonesian powder, blast furnace dry dust removal ash, Canadian concentrate, iron concentrate, homogeneous material, and Middle Eastern concentrate as the first raw material.

[0055] This formula allows for the rapid calculation of the first carbon content of the first raw material, and similarly, the second carbon content of the second raw material can be calculated quickly. If the second raw material is exactly the same as the first raw material, there will be no forward feedback adjustment value. If the second raw material is not exactly the same as the first raw material, meaning there is a difference in the proportion of raw materials from the mineral powder station, the carbon content calculated by the formula will be different, and a forward feedback adjustment value will be generated.

[0056] The fuel ratio adjustment formula in step S243 can be:

[0057] in, Forward feedback adjustment coefficient, This is the forward feedback adjustment value. For subsequent feedback adjustment coefficients, This is for subsequent feedback and adjustment values.

[0058] For example, in the above example, the front feedback adjustment value is 1%, the back feedback adjustment value is -5%, and the front feedback adjustment coefficient and the back feedback adjustment coefficient are both 0.5, so the final fuel ratio adjustment value is -2%.

[0059] To ensure that our adjusted fuel ratio directs the ferrous oxide content in the correct direction, we can perform additional testing of the ferrous oxide content in the sinter at the next scheduled testing time point in the preset cycle. This will check whether the current ferrous oxide content has been adjusted to the target range or whether it has been over-adjusted. Therefore, based on this idea, in one possible implementation, see [link to relevant documentation]. Figure 5 The method may also include the following steps: S250: Additional detection of the secondary ferrous oxide content in sinter before the preset cycle.

[0060] S260: Determine whether the content of the second ferrous oxide is within the target ferrous oxide content range; the target ferrous oxide content range also includes the minimum boundary value and the maximum boundary value.

[0061] S270: If not, when the content of the first ferrous oxide detected in the last test is less than the minimum boundary value and the content of the second ferrous oxide is greater than the maximum boundary value, or when the content of the first ferrous oxide detected in the last test is greater than the maximum boundary value and the content of the second ferrous oxide is less than the minimum boundary value, a warning is issued to prompt manual confirmation of the contradiction.

[0062] In the example above, if the preset cycle is 2 hours, the ferrous oxide content of the sinter can be detected before this time. For example, the ferrous oxide content of the sinter can be detected at the 30th minute, the 60th minute, and the 90th minute.

[0063] After additionally testing the second ferrous oxide content, first determine if it falls within the target ferrous oxide content range. If it does, no action is needed, indicating the fuel ratio adjustment is reasonable. If it falls outside the target ferrous oxide content range, it needs to be compared with the first ferrous oxide content detected normally in the previous cycle. For example, if the minimum and maximum boundary values ​​of the target ferrous oxide content range are 8% and 9% respectively, and the first ferrous oxide content detected normally in the previous cycle was 7.5%, and we now need to increase the ferrous oxide content, if the second ferrous oxide content detected additionally at the 30-minute mark is 9.5%, it indicates that the fuel ratio adjustment here is too large, and a warning needs to be issued to prompt manual verification of the discrepancy and manual inspection. Similarly, if the first ferrous oxide content detected normally in the previous cycle was 9.5%, and the second ferrous oxide content detected additionally at the 30-minute mark is 7.5%, a warning also needs to be issued and manual inspection requested.

[0064] Inspired by the aforementioned potential for excessive adjustments, to prevent excessive adjustments to the fuel blending ratio, the adjustment range can be limited. In one possible implementation, this method further includes: Determine whether the fuel ratio adjustment value is greater than the preset maximum adjustment range.

[0065] If so, limit the fuel ratio adjustment value to the preset maximum adjustment range.

[0066] For example, if the preset maximum adjustment range is 2%, then when the fuel blending adjustment value is between -2% and 2%, there is no need to limit the fuel blending adjustment value. When the fuel blending adjustment value is less than -2% or greater than 2%, then the fuel blending adjustment value needs to be limited to -2% or 2%.

[0067] Furthermore, this embodiment of the invention also provides a fuel ratio adjustment device for sintered ore, see [link to relevant documentation]. Figure 6 The fuel ratio adjustment device 300 for the sintered ore includes: The ferrous oxide content detection unit 310 is used to detect the first ferrous oxide content of sintered ore according to a preset cycle.

[0068] The ferrous oxide content judgment unit 320 is used to determine whether the first ferrous oxide content is within the target ferrous oxide content range; the target ferrous oxide content range includes the target content value.

[0069] The raw material and fuel acquisition unit 330 is used to acquire, if not, the first raw material of the sinter in the current cycle, the fuel ratio of the sinter in the current cycle, and the second raw material of the sinter in the previous cycle; wherein, the fuel ratio represents the ratio of fuel to the first raw material.

[0070] The fuel ratio adjustment unit 340 is used to calculate the fuel ratio adjustment value for the next cycle based on the first ferrous oxide content, the target content value, the first raw material, the second raw material, and the fuel ratio.

[0071] In summary, the fuel ratio adjustment method, apparatus, electronic equipment, and storage medium for sinter provided by this invention achieve intelligent dynamic adjustment of the fuel ratio by periodically detecting the ferrous oxide content of the sinter and combining it with a feedforward-feedback dual control strategy. This effectively improves the accuracy and response speed of FeO content control in the sinter. Additional testing is performed before each formal test. If contradictory fluctuations are found in the results of previous and subsequent tests, a warning is issued promptly, prompting manual intervention for confirmation. This prevents the risk of misadjustment due to data anomalies or excessive adjustments, enhancing the system's safety and reliability. To avoid drastic fluctuations in the fuel ratio impacting the production process, a maximum adjustment range limit mechanism is also included to ensure smooth and controllable adjustments, balancing adjustment efficiency and process stability, and helping to maintain the continuity and consistency of the sintering process.

[0072] In the embodiments provided by this invention, it should be understood that the disclosed apparatus and methods can also be implemented in other ways. The apparatus embodiments described above are merely illustrative; for example, the flowcharts and block diagrams in the accompanying drawings illustrate the architecture, functionality, and operation of possible implementations of apparatus, methods, and computer program products according to various embodiments of the present invention. In this regard, each block in a flowchart or block diagram may represent a module, segment, or portion of code, which contains one or more executable instructions for implementing a specified logical function. It should also be noted that in some alternative implementations, the functions marked in the blocks may occur in a different order than those marked in the drawings. For example, two consecutive blocks may actually be executed substantially in parallel, and they may sometimes be executed in reverse order, depending on the functions involved. It should also be noted that each block in a block diagram and / or flowchart, and combinations of blocks in block diagrams and / or flowcharts, can be implemented using a dedicated hardware-based system that performs the specified function or action, or using a combination of dedicated hardware and computer instructions.

[0073] In addition, the functional modules in the various embodiments of the present invention can be integrated together to form an independent part, or each module can exist independently, or two or more modules can be integrated to form an independent part.

[0074] If the functionality is implemented as a software module and sold or used as an independent product, it can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of this invention, or the part that contributes to the prior art, or a part of the technical solution, can be embodied in the form of a software product. This computer software product is stored in a computer-readable storage medium and includes several instructions to cause a computer device (which may be a personal computer, server, or network device, etc.) to execute all or part of the steps of the methods of the various embodiments of this invention. The aforementioned storage medium includes various media capable of storing program code, such as USB flash drives, portable hard drives, read-only memory (ROM), random access memory (RAM), magnetic disks, or optical disks.

[0075] The above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Various modifications and variations can be made to the present invention by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the scope of protection of the present invention.

[0076] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered in all respects as exemplary and non-limiting, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within the present invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A method for adjusting the fuel ratio of sintered ore, characterized in that, include: The primary ferrous oxide content of the sinter is tested according to a preset cycle. Determine whether the first ferrous oxide content is within the target ferrous oxide content range; the target ferrous oxide content range includes the target content value; If not, obtain the first raw material of the sinter for the current cycle, the fuel ratio of the sinter for the current cycle, and the second raw material of the sinter for the previous cycle; wherein, the fuel ratio represents the ratio of fuel to the first raw material; The fuel ratio adjustment value for the next cycle is calculated based on the first ferrous oxide content, the target content value, the first raw material, the second raw material, and the fuel ratio.

2. The method according to claim 1, characterized in that, The step of calculating the fuel ratio adjustment value for the next cycle based on the first ferrous oxide content, the target content value, the first raw material, the second raw material, and the fuel ratio includes: The feedback adjustment value is calculated based on the first ferrous oxide content, the target content value, and the fuel ratio; Based on the carbon content of the first raw material and the carbon content of the second raw material, calculate the forward feedback adjustment value of the first raw material in the current cycle and the second raw material in the previous cycle. Based on the fuel ratio adjustment formula, the fuel ratio adjustment value for the next cycle is calculated according to the back feedback adjustment value and the front feedback adjustment value.

3. The method according to claim 2, characterized in that, The step of calculating the forward feedback adjustment value of the first raw material in the current cycle and the second raw material in the previous cycle based on the carbon content of the first raw material and the carbon content of the second raw material includes: Locate each carbon-containing first mineral powder in the first raw material and each carbon-containing second mineral powder in the second raw material; The first carbon content of the first raw material is calculated based on the proportion of each first mineral powder to the first raw material and the carbon content of each first mineral powder itself. The second carbon content of the second raw material is calculated based on the proportion of each second mineral powder to the second raw material and the carbon content of each second mineral powder itself. Subtracting the second carbon content from the first carbon content yields the forward feedback adjustment value of the first raw material in the current cycle and the second raw material in the previous cycle.

4. The method according to claim 3, characterized in that, The first carbon content is calculated by the following formula: R=p1×0.3+p2×0.7+p3×0.1+p4×0.1+p5×0.05+p6×0.05+p7×0.2 / 24+p8×0.08 / 24+p9×0. 26 / 24+p10×0.2 / 24+p11×0.25+p12×0.03 / 24+p13×0.4 / 24+p14×28 / 100+p15×25 / 100 / 24 Among them, p1 to p15 are the proportions of blast furnace gas ash, bottom coal, OG mud, iron oxide scale, OG concentrate, slag beneficiation concentrate, Chilean concentrate, IOC concentrate, South African PMC concentrate, Indonesian powder, blast furnace dry dust removal ash, Canadian concentrate, iron concentrate, homogeneous material, and Middle Eastern concentrate to the first raw material.

5. The method according to claim 2, characterized in that, The fuel ratio adjustment formula is as follows: in, Forward feedback adjustment coefficient, The aforementioned pre-feedback adjustment value, For subsequent feedback adjustment coefficients, This is the post-feedback adjustment value.

6. The method according to claim 1, characterized in that, The method further includes: The content of ferrous oxide in the sinter is additionally tested before a preset period. Determine whether the second ferrous oxide content is within the target ferrous oxide content range; the target ferrous oxide content range also includes a minimum boundary value and a maximum boundary value; If not, a warning is issued when the content of the first ferrous oxide detected in the previous test is less than the minimum boundary value and the content of the second ferrous oxide is greater than the maximum boundary value, or when the content of the first ferrous oxide detected in the previous test is greater than the maximum boundary value and the content of the second ferrous oxide is less than the minimum boundary value, prompting manual confirmation of the contradiction.

7. The method according to any one of claims 1 to 6, characterized in that, The method further includes: Determine whether the fuel ratio adjustment value is greater than the preset maximum adjustment range; If so, the fuel ratio adjustment value is limited to the preset maximum adjustment range.

8. A fuel ratio adjustment device for sintered ore, characterized in that, include: The ferrous oxide content detection unit is used to detect the primary ferrous oxide content of sintered ore according to a preset cycle. The ferrous oxide content determination unit is used to determine whether the first ferrous oxide content is within the target ferrous oxide content range; the target ferrous oxide content range includes the target content value. The raw material and fuel acquisition unit is used to acquire, if not, the first raw material of the sinter in the current cycle, the fuel ratio of the sinter in the current cycle, and the second raw material of the sinter in the previous cycle; wherein the fuel ratio represents the ratio of fuel to the first raw material. The fuel ratio adjustment unit is used to calculate the fuel ratio adjustment value for the next cycle based on the first ferrous oxide content, the target content value, the first raw material, the second raw material, and the fuel ratio.

9. An electronic device comprising a memory, a processor, and a computer program stored in the memory and running on the processor, characterized in that, When the processor executes the computer program, it implements the method according to any one of claims 1 to 7.

10. A storage medium having a computer program stored thereon, characterized in that: When the computer program is executed by a processor, it implements the method described in any one of claims 1 to 7.

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