A method, apparatus, storage medium and electronic device for heat radiation control

Abstract

This specification discloses a method, apparatus, storage medium, and electronic device for controlling thermal radiation intensity. First, temperature detection devices installed at each marker point involved in the electric arc furnace can be used to determine the temperature value at each marker point. Then, based on the temperature values ​​of each marker point, the average temperature value of each marker point involved in the electric arc furnace can be determined. For each marker point, if the temperature value at that marker point exceeds the average temperature value by a value greater than a preset value, the power input at that marker point is reduced to reduce the thermal radiation at that marker point until the temperature value at that marker point does not exceed the preset value.

Description

Technical Field

[0001] This specification relates to the field of metal smelting, and in particular to a method, apparatus, storage medium, and electronic device for controlling thermal radiation. Background Technology

[0002] Currently, electric arc furnaces are often used in metal smelting, and the main way to control electric arc furnaces is to use an electrode adjustment and control system to control the electric arc furnace for metal smelting.

[0003] While this method allows for control over the smelting of metals in an electric arc furnace, it often results in uneven heat radiation. This frequently leads to a situation where the heat-resistant material near one phase of the three-phase electrodes is damaged far more severely than other phases, necessitating furnace shutdown and replacement of the heat-resistant material. Furnace shutdown causes production interruptions and economic losses for the company. Furthermore, the uneven heat radiation received by the electric arc furnace leads to uneven heat absorption by the molten steel, hindering rapid temperature rise during smelting and reducing the efficiency of metal smelting.

[0004] Therefore, how to control the thermal radiation of electric arcs to improve the efficiency of metal smelting is an urgent problem to be solved. Summary of the Invention

[0005] This specification provides a method, apparatus, storage medium, and electronic device for controlling thermal radiation, in order to partially solve the technical problem of controlling the thermal radiation of electric arcs to improve the efficiency of metal smelting.

[0006] The following technical solution is adopted in this specification:

[0007] This specification provides a method for controlling thermal radiation, including:

[0008] Temperature detection equipment is used at each marked point of the electric arc furnace to determine the temperature value at each marked point;

[0009] Based on the temperature values ​​of each marker point, determine the average temperature value of each marker point involved in the electric arc furnace;

[0010] For each marker point, if the temperature value at that marker point exceeds the average temperature value by a value greater than a preset value, the power input at that marker point is reduced to reduce the thermal radiation at that marker point until the temperature value at that marker point does not exceed the preset value.

[0011] Optionally, for each marker point, if the temperature value at that marker point exceeds the average temperature value by a value greater than a preset value, then the power input at that marker point is reduced, specifically including:

[0012] For each marker point, if it is determined that the temperature value at that marker point is higher than the average temperature value, and the variance between the temperature value and the average temperature value exceeds a preset variance value, then the power input at that marker point is reduced.

[0013] Optionally, after determining the average temperature value of each marker point involved in the electric arc furnace based on the temperature values ​​of each marker point, the method further includes:

[0014] The electric arc furnace is divided into at least three monitoring zones;

[0015] The regional average temperature value for each monitoring area is determined based on the temperature values ​​at each marker point involved in each monitoring area.

[0016] Optionally, for each marker point, if the temperature value at that marker point exceeds the average temperature value by a value greater than a preset value, then the power input at that marker point is reduced to reduce the thermal radiation at that marker point, until the temperature value at that marker point does not exceed the preset value, specifically including:

[0017] For each monitoring area, if the average temperature of the monitoring area exceeds a preset value, the power input of the monitoring area is reduced to reduce the thermal radiation of the monitoring area until the average temperature of the monitoring area does not exceed the preset value.

[0018] Optionally, reducing the power input at the marked point to reduce thermal radiation at the marked point includes:

[0019] The impedance at the marked point is increased according to a preset ratio to reduce thermal radiation at the marked point.

[0020] Optionally, for each marker point, if the temperature value at that marker point exceeds the average temperature value by a value greater than a preset value, the power input at that marker point is reduced to reduce thermal radiation at that marker point, until the temperature value at that marker point does not exceed the preset value. The method further includes:

[0021] For each marker point, if the temperature value at that marker point exceeds the average temperature value, and the ratio of the average temperature to the average temperature exceeds a preset ratio, then the smelting process at that marker point is stopped.

[0022] Optionally, each monitoring area involves the same area size and the same number of marker points.

[0023] This specification provides a device for controlling thermal radiation, comprising:

[0024] The first determining module is used to determine the temperature value at each marking point by using temperature detection equipment set at each marking point involved in the electric arc furnace.

[0025] The second determining module is used to determine the average temperature value of each marker point involved in the electric arc furnace based on the temperature value of each marker point.

[0026] The adjustment module is used to reduce the power input at each marker point if the temperature value at that marker point exceeds the average temperature value by a value greater than a preset value, so as to reduce the thermal radiation at that marker point until the temperature value at that marker point does not exceed the preset value.

[0027] This specification provides a computer-readable storage medium storing a computer / PLC program that, when executed by a processor, implements the above-described method for controlling thermal radiation.

[0028] This specification provides an electronic device, including a memory, a processor, and a computer / PLC program stored in the memory and executable on the processor, wherein the processor executes the program to implement the above-described method for controlling thermal radiation.

[0029] The above-mentioned technical solutions adopted in this specification can achieve the following beneficial effects:

[0030] The thermal radiation control method provided in this specification first uses temperature detection devices installed at each marker point of the electric arc furnace to determine the temperature value at each marker point. Then, based on the temperature values ​​of each marker point, the average temperature value of each marker point of the electric arc furnace is determined. For each marker point, if the temperature value at that marker point exceeds the average temperature value by a value greater than a preset value, the power input at that marker point is reduced to reduce the thermal radiation at that marker point until the temperature value at that marker point does not exceed the preset value.

[0031] As can be seen from the above method, temperature detection devices installed at various marker points in the electric arc furnace can be used to identify marker points whose temperatures exceed the average. By reducing the power at these marker points, the temperature at those points can be brought closer to the average temperature. This ensures that the electric arc furnace receives uniform heat radiation, increases the rate of temperature rise during metal smelting, reduces uneven refractory material consumption, and thus improves the efficiency of metal smelting. Attached Figure Description

[0032] The accompanying drawings, which are included to provide a further understanding of this specification and form part of this specification, illustrate exemplary embodiments and are used to explain this specification, but do not constitute an undue limitation thereof. In the drawings:

[0033] Figure 1This is a flowchart illustrating a method for controlling thermal radiation provided in this specification.

[0034] Figure 2 This is a schematic diagram illustrating the division of monitoring areas provided in this manual;

[0035] Figure 3 This is a schematic diagram of a thermal radiation control process provided in this specification;

[0036] Figure 4 This is a schematic diagram of a thermal radiation control device provided in this specification;

[0037] Figure 5 This specification provides a corresponding Figure 1 A schematic diagram of an electronic device. Detailed Implementation

[0038] To make the objectives, technical solutions, and advantages of this specification clearer, the technical solutions of this specification will be clearly and completely described below in conjunction with specific embodiments and corresponding drawings. Obviously, the described embodiments are only a part of the embodiments of this specification, and not all of them. Based on the embodiments in this specification, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this specification.

[0039] The technical solutions provided in the various embodiments of this specification are described in detail below with reference to the accompanying drawings.

[0040] Figure 1 This is a flowchart illustrating a method for controlling thermal radiation provided in this specification, including the following steps:

[0041] S101: Use temperature detection equipment installed at each marker point involved in the electric arc furnace to determine the temperature value at each marker point.

[0042] As can be seen from the above description, the core innovation of the thermal radiation control method provided in this specification is to control the input power at the marked points so that the temperatures at each marked point are as close as possible. Therefore, in this specification, the subject implementing the thermal radiation control method can be a desktop computer, laptop computer, PLC, or other terminal equipment used by the operator. For ease of description, the terminal equipment will be used as the subject implementing the thermal radiation control method provided in this specification.

[0043] Currently, during metal smelting, uneven heat radiation often occurs in electric arc furnaces. This leads to excessively rapid wear of the heat-resistant material in certain areas of the furnace, requiring more frequent furnace shutdowns to replace the heat-resistant material, thus increasing the economic costs of metal smelting. At the same time, the uneven heat radiation received by the electric arc furnace reduces the heating rate during smelting, thereby reducing the efficiency of metal smelting.

[0044] Based on this, this specification provides a method for controlling thermal radiation to at least partially solve the above-mentioned problems.

[0045] First, the terminal device can determine the temperature value at each marker point based on the temperature detection device installed at each marker point.

[0046] In this manual, the smelting area of ​​the electric arc furnace can be divided into multiple monitoring zones, which are described below in conjunction with... Figure 2 The following is an explanation of the diagram illustrating the division of monitoring areas provided in this manual:

[0047] exist Figure 2 In this process, the smelting area of ​​the electric arc furnace can be divided into three monitoring areas of the same size: A, B, and C. The number of marker points involved in each of the three areas can be the same.

[0048] S102: Determine the average temperature value of each marker point involved in the electric arc furnace based on the temperature value of each marker point.

[0049] After obtaining the temperature values ​​at each marker point, the terminal device can determine the average temperature based on the temperature values ​​at each marker point.

[0050] Similarly, if the smelting area of ​​the electric arc furnace is divided into multiple monitoring areas, the regional average temperature of each monitoring area can be determined.

[0051] Specifically, you can refer to the following formula:

[0052]

[0053] Among them, T avg The average temperature of each marker point is represented by n, where n is the number of marker points and t is the temperature value at that marker point.

[0054] Similarly, with Figure 2 Taking the divided monitoring areas as an example, if the smelting area of ​​the electric arc furnace is divided into multiple monitoring areas, the average temperature of each monitoring area can be determined by referring to the following formula:

[0055]

[0056]

[0057]

[0058] Among them, T Aavg To monitor the regional average temperature of area A, n A Let T be the number of marker points contained in monitoring area A, t be the temperature value at each marker point, and T be the temperature value at each marker point. Bavg To monitor the regional average temperature of region B, n B To monitor the number of markers contained in region B, T cavg To monitor the regional average temperature of region C, n C This represents the number of marker points contained in monitoring area C.

[0059] S103: For each marker point, if the difference between the temperature value at the marker point and the average temperature value exceeds a preset value, then reduce the power input at the marker point to reduce the thermal radiation at the marker point until the temperature value at the marker point does not exceed the preset value.

[0060] For each marker point, if the terminal device determines that the temperature value at that marker point exceeds the average temperature value by a value greater than a preset value, it can reduce the power input at that marker point to reduce the heat radiation at that marker point until the temperature value at that marker point does not exceed the preset value.

[0061] Similarly, the terminal device can also reduce the power input of each monitoring area if it is determined that the average temperature of the monitoring area exceeds a preset value, in order to reduce the heat radiation of the monitoring area until the average temperature of the monitoring area does not exceed the preset value.

[0062] In this specification, the temperature value at each marked point can be determined by either subtraction or by calculating the variance of the temperature values ​​at each marked point.

[0063] To calculate Figure 2 Taking the variance of region A as an example, the specific formula can be found in the following formula:

[0064] D(x)=E{∑(T Aavg -T avg ) 2}

[0065] Where D(x) represents the average variance of region A, and T Aavg T represents the average temperature of region A. avg This represents the average temperature of regions A, B, and C. In practical applications, if the value of D(x) exceeds the preset variance value, it indicates that the temperature of region A differs too much from the overall temperature of the electric arc furnace. In this case, the power input of region A can be reduced until D(x) does not exceed the preset value.

[0066] It should be noted that when smelting metals, if the temperature value at a certain marked point differs too much from the average temperature value, it may increase the danger of smelting metals. At the same time, if the temperature value at a certain marked point differs too much from the average temperature value, it will also make it more difficult to adjust the temperature value at that marked point.

[0067] Therefore, the terminal device can stop the smelting process at each marker point when the ratio of the difference between the temperature value at that marker point and the average temperature value to the average temperature exceeds a preset ratio.

[0068] In this specification, the temperature value at any given marker point can be reduced by increasing the impedance at that marker point.

[0069] The following is combined Figure 3 This document provides a schematic diagram illustrating a process for controlling thermal radiation.

[0070] like Figure 3 As shown, after smelting begins, the terminal equipment can collect the temperature values ​​at each marked point, and then calculate the regional average temperature of each area, as well as the average temperature of the temperature values ​​at each marked point.

[0071] Then, the terminal equipment can calculate the variance of the average temperature of each region based on the average temperature and average temperature of the above regions. If the ratio of the variance of the average temperature of a region to the average temperature exceeds a preset value, the smelting process in that region will be stopped.

[0072] If the ratio of the variance of the regional average temperature to the average temperature does not exceed the preset value, then it is determined whether the variance of the regional average temperature exceeds the preset value. For each region, if it is determined that the variance of the regional average temperature exceeds the preset value, then the thermal radiation of the region is reduced by increasing the impedance of the region until the variance of the regional average temperature does not exceed the preset value.

[0073] As can be seen from the above method, the terminal equipment can identify the marker points whose temperatures exceed the average temperature based on the temperature detection devices at each marker point. By reducing the power at those marker points, the temperature at those marker points can be brought closer to the average temperature. This ensures that the electric arc furnace receives uniform heat radiation, increasing the rate of temperature rise during metal smelting and thus improving the efficiency of metal smelting.

[0074] The above describes one or more embodiments of a method for controlling thermal radiation provided in this specification. Based on the same concept, this specification also provides corresponding devices for controlling thermal radiation, such as... Figure 4 As shown.

[0075] Figure 4A schematic diagram of a thermal radiation control device provided in this specification includes:

[0076] The first determining module 401 is used to determine the temperature value at each marking point by using temperature detection equipment set at each marking point involved in the electric arc furnace.

[0077] The second determining module 402 is used to determine the average temperature value of each marker point involved in the electric arc furnace based on the temperature value of each marker point.

[0078] The adjustment module 403 is used to reduce the power input at each marker point if the temperature value at that marker point exceeds the average temperature value by a value greater than a preset value, so as to reduce the thermal radiation at that marker point until the temperature value at that marker point does not exceed the preset value.

[0079] Optionally, the first determining module 401 is specifically used to, for each marker point, if it is determined that the temperature value at the marker point is higher than the average temperature value, and at the same time, the variance between the temperature value and the average temperature value exceeds a preset variance value, then reduce the power input at the marker point.

[0080] Optionally, the second determining module 402 is further configured to divide the electric arc furnace into at least three monitoring areas; and determine the regional average temperature value of each monitoring area based on the temperature values ​​at each marked point involved in each monitoring area.

[0081] Optionally, the adjustment module 403 is specifically used to reduce the power input of each monitoring area if the average temperature of the monitoring area exceeds a preset value, so as to reduce the thermal radiation of the monitoring area until the average temperature of the monitoring area does not exceed the preset value.

[0082] Optionally, the adjustment module 403 is specifically used to increase the impedance at the mark point according to a preset ratio to reduce the thermal radiation at the mark point.

[0083] Optionally, the adjustment module 403 is further configured to, for each marker point, if the temperature value at the marker point exceeds the average temperature value and the ratio of the average temperature to the average temperature exceeds a preset ratio, then stop the smelting process involved at that marker point.

[0084] Optionally, each monitoring area involves the same area size and the same number of marker points.

[0085] This specification also provides a computer-readable storage medium storing a computer program that can be used to execute the above-described... Figure 1 A method for controlling thermal radiation is provided.

[0086] This instruction manual also provides Figure 5 One of the corresponding Figure 1 A schematic diagram of the structure of an electronic device. (e.g.) Figure 5 At the hardware level, the electronic device includes a processor, internal bus, network interface, memory, and non-volatile memory, and may also include other hardware required for the business operations. The processor reads the corresponding computer program from the non-volatile memory into memory and then runs it to achieve the above-mentioned functions. Figure 1 The method for controlling thermal radiation described above. Of course, in addition to software implementation, this specification does not exclude other implementation methods, such as logic devices or a combination of hardware and software, etc. That is to say, the execution subject of the following processing flow is not limited to individual logic units, but can also be hardware or logic devices.

[0087] In the 1990s, improvements to a technology could be clearly distinguished as either hardware improvements (e.g., improvements to the circuit structure of diodes, transistors, switches, etc.) or software improvements (improvements to the methodology). However, with technological advancements, many methodological improvements today can be considered direct improvements to the hardware circuit structure. Designers almost always obtain the corresponding hardware circuit structure by programming the improved methodology into the hardware circuit. Therefore, it cannot be said that a methodological improvement cannot be implemented using hardware physical modules. For example, a Programmable Logic Controller (PLC) (such as a Field Programmable Gate Array (FPGA)) is such an integrated circuit whose logic function is determined by the user programming the device. Designers can program a digital system themselves to "integrate" it onto a PLC, without needing chip manufacturers to design and manufacture dedicated integrated circuit chips. Furthermore, nowadays, instead of manually manufacturing integrated circuit chips, this programming is mostly implemented using "logic compiler" software. Similar to the software compiler used in program development, the original code before compilation must be written in a specific programming language, called a Hardware Description Language (HDL). There are many HDLs, such as ABEL (Advanced Boolean Expression Language), AHDL (Altera Hardware Description Language), Confluence, CUPL (Cornell University Programming Language), HDCal, JHDL (Java Hardware Description Language), Lava, Lola, MyHDL, PALASM, and RHDL (Ruby Hardware Description Language). Currently, the most commonly used are VHDL (Very-High-Speed ​​Integrated Circuit Hardware Description Language) and Verilog. Those skilled in the art should understand that by simply performing some logic programming on the method flow using one of these hardware description languages ​​and programming it into an integrated circuit, the hardware circuit implementing the logical method flow can be easily obtained.

[0088] The controller can be implemented in any suitable manner. For example, it can take the form of a microprocessor or processor and a computer-readable medium storing computer-readable program code (e.g., software or firmware) executable by the (micro)processor, logic gates, switches, application-specific integrated circuits (ASICs), programmable logic controllers, and embedded microcontrollers. Examples of controllers include, but are not limited to, the following microcontrollers: ARC 625D, Atmel AT91SAM, Microchip PIC18F26K20, and Silicon Labs C8051F320. A memory controller can also be implemented as part of the control logic of the memory. Those skilled in the art will also recognize that, in addition to implementing the controller in purely computer-readable program code form, the same functionality can be achieved by logically programming the method steps to make the controller take the form of logic gates, switches, application-specific integrated circuits, programmable logic controllers, and embedded microcontrollers. Therefore, such a controller can be considered a hardware component, and the means included therein for implementing various functions can also be considered as structures within the hardware component. Alternatively, the means for implementing various functions can be considered as both software modules implementing the method and structures within the hardware component.

[0089] The systems, devices, modules, or units described in the above embodiments can be implemented by computer chips or entities, or by products with certain functions. A typical implementation device is a computer. Specifically, a computer can be, for example, a personal computer, laptop computer, cellular phone, camera phone, smartphone, personal digital assistant, media player, navigation device, email device, game console, tablet computer, wearable device, or any combination of these devices.

[0090] For ease of description, the above devices are described in terms of function, divided into various units. Of course, in implementing this specification, the functions of each unit can be implemented in one or more software and / or hardware components.

[0091] Those skilled in the art will understand that embodiments of this specification can be provided as methods, systems, or computer program products. Therefore, this specification may take the form of a completely hardware embodiment, a completely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, this specification may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, etc.) containing computer-usable program code.

[0092] This specification is described with reference to flowchart illustrations and / or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of this specification. It will be understood that each block of the flowchart illustrations and / or block diagrams, and combinations of blocks in the flowchart illustrations and / or block diagrams, can be implemented by computer program instructions. These computer program instructions can be provided to a processor of a general-purpose computer, special-purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create a machine for implementing the flowchart illustrations and / or block diagrams. Figure 1 One or more processes and / or boxes Figure 1 A device that provides the functions specified in one or more boxes.

[0093] These computer program instructions may also be stored in a computer-readable storage medium that can direct a computer or other programmable data processing device to function in a particular manner, such that the instructions stored in the computer-readable storage medium produce an article of manufacture including instruction means, which are implemented in a process Figure 1 One or more processes and / or boxes Figure 1 The function specified in one or more boxes.

[0094] These computer program instructions may also be loaded onto a computer or other programmable data processing equipment to cause a series of operational steps to be performed on the computer or other programmable equipment to produce a computer-implemented process, thereby providing instructions that execute on the computer or other programmable equipment for implementing the process. Figure 1 One or more processes and / or boxes Figure 1 The steps of the function specified in one or more boxes.

[0095] In a typical configuration, a computing device includes one or more processors (CPU), input / output interfaces, network interfaces, and memory.

[0096] Memory may include non-persistent storage in computer-readable media, such as random access memory (RAM) and / or non-volatile memory, such as read-only memory (ROM) or flash RAM. Memory is an example of computer-readable media.

[0097] Computer-readable media includes both permanent and non-permanent, removable and non-removable media that can store information using any method or technology. Information can be computer-readable instructions, data structures, modules of programs, or other data. Examples of computer storage media include, but are not limited to, phase-change memory (PRAM), static random access memory (SRAM), dynamic random access memory (DRAM), other types of random access memory (RAM), read-only memory (ROM), electrically erasable programmable read-only memory (EEPROM), flash memory or other memory technologies, CD-ROM, digital versatile optical disc (DVD) or other optical storage, magnetic tape, magnetic magnetic disk storage or other magnetic storage devices, or any other non-transferable medium that can be used to store information accessible by a computing device. As defined herein, computer-readable media does not include transient computer-readable media, such as modulated data signals and carrier waves.

[0098] It should also be noted that 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 limitation, 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.

[0099] Those skilled in the art will understand that the embodiments of this specification can be provided as methods, systems, or computer program products. Therefore, this specification may take the form of a completely hardware embodiment, a completely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, this specification may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, etc.) containing computer-usable program code.

[0100] This specification can be described in the general context of computer-executable instructions that are executed by a computer, such as program modules. Generally, program modules include routines, programs, objects, components, data structures, etc., that perform a specific task or implement a specific abstract data type. This specification can also be practiced in distributed computing environments, where tasks are performed by remote processing devices connected via a communication network. In distributed computing environments, program modules can reside in local and remote computer storage media, including storage devices.

[0101] The various embodiments in this specification are described in a progressive manner. Similar or identical parts between embodiments can be referred to interchangeably. Each embodiment focuses on describing the differences from other embodiments. In particular, the system embodiments are basically similar to the method embodiments, so the description is relatively simple; relevant parts can be referred to the descriptions in the method embodiments.

[0102] The above description is merely an embodiment of this specification and is not intended to limit this specification. Various modifications and variations can be made to this specification by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this specification should be included within the scope of the claims of this specification.

Claims

1. A method of controlling the intensity of thermal radiation, characterized by, The method comprises: using temperature detection devices arranged at each of the marked points involved in the electric arc furnace to determine temperature values at the marked points; determining average temperature values of the marked points involved in the electric arc furnace according to the temperature values of the marked points; The method further comprises: dividing the electric arc furnace into at least three monitoring areas; determining area average temperature values of each monitoring area according to temperature values at the marked points involved in each monitoring area; for each marked point, if the temperature value at the marked point exceeds the average temperature value by more than a preset value, reducing power input at the marked point to reduce heat radiation at the marked point until the temperature value at the marked point does not exceed the preset value; Specifically, the method comprises: for each monitoring area, if the area average temperature of the monitoring area exceeds the average temperature by more than a preset value, reducing power input of the monitoring area to reduce heat radiation of the monitoring area until the area average temperature of the monitoring area does not exceed the preset value.

2. The method of claim 1, wherein, For each marked point, if the temperature value at the marked point exceeds the average temperature value by more than a preset value, reducing power input at the marked point, specifically comprising: For each marked point, if it is determined that the temperature value at the marked point is higher than the average temperature value, and a variance of the temperature value and the average temperature value exceeds a preset variance value, reducing power input at the marked point.

3. The method of claim 1, wherein, Reducing power input at the marked point to reduce heat radiation at the marked point, specifically comprising: increasing impedance at the marked point by a preset proportion value to reduce heat radiation at the marked point.

4. The method of claim 1, wherein, Before the method, for each marked point, if the temperature value at the marked point exceeds the average temperature value by more than a preset value, reducing power input at the marked point to reduce heat radiation at the marked point until the temperature value at the marked point does not exceed the preset value, the method further comprises: For each marked point, if a ratio of the temperature value at the marked point to the average temperature value exceeds a preset ratio value, stopping running a smelting process involved at the marked point.

5. The method according to any one of claims 1 to 4, characterized in that, The sizes of the monitoring areas involved are the same, and the number of the marked points involved in each monitoring area is the same.

6. A device for thermal radiation control, characterized in that The method comprises: a first determining module configured to use temperature detection devices arranged at each of the marked points involved in the electric arc furnace to determine temperature values at the marked points; a second determining module configured to determine average temperature values of the marked points involved in the electric arc furnace according to the temperature values of the marked points; The method further comprises: dividing the electric arc furnace into at least three monitoring areas; determining area average temperature values of each monitoring area according to temperature values at the marked points involved in each monitoring area; an adjusting module configured to, for each marked point, if the temperature value at the marked point exceeds the average temperature value by more than a preset value, reduce power input at the marked point to reduce heat radiation at the marked point until the temperature value at the marked point does not exceed the preset value; Specifically, the method comprises: For each monitoring area, if the area average temperature of the monitoring area exceeds the average temperature value by more than a preset value, the power input of the monitoring area is reduced to reduce the heat radiation of the monitoring area until the average temperature of the monitoring area does not exceed the preset value.

7. A computer-readable storage medium, characterized in that, The storage medium stores a computer program, and the computer program is executed by the processor to implement the method in any one of claims 1-5.

8. An electronic device comprising a memory, a processor, and a computer program stored on the memory and executable on the processor, characterized in that, The processor executes the program to implement the method in any one of claims 1-5.

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