CN116822279A - Submerged arc furnace electrode design method, submerged arc furnace electrode design device and submerged arc furnace electrode design equipment - Google Patents
Submerged arc furnace electrode design method, submerged arc furnace electrode design device and submerged arc furnace electrode design equipment Download PDFInfo
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- 238000013461 design Methods 0.000 title claims abstract description 203
- 238000000034 method Methods 0.000 title claims abstract description 110
- 238000004088 simulation Methods 0.000 claims abstract description 127
- 238000009826 distribution Methods 0.000 claims abstract description 111
- 230000008569 process Effects 0.000 claims abstract description 67
- 238000004364 calculation method Methods 0.000 claims abstract description 60
- 238000004519 manufacturing process Methods 0.000 claims abstract description 52
- 230000005672 electromagnetic field Effects 0.000 claims abstract description 38
- 238000003723 Smelting Methods 0.000 claims abstract description 21
- 239000000463 material Substances 0.000 claims description 14
- 239000002184 metal Substances 0.000 claims description 9
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 238000003860 storage Methods 0.000 claims description 9
- 239000002893 slag Substances 0.000 claims description 8
- 238000003780 insertion Methods 0.000 claims description 7
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- 238000012216 screening Methods 0.000 claims description 3
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- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
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- 230000008676 import Effects 0.000 description 1
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- 239000007788 liquid Substances 0.000 description 1
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- 239000002904 solvent Substances 0.000 description 1
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- 229910052725 zinc Inorganic materials 0.000 description 1
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- G06F2119/08—Thermal analysis or thermal optimisation
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The application relates to the technical field of submerged arc furnace design, and provides a submerged arc furnace electrode design method, a submerged arc furnace electrode design device and submerged arc furnace electrode design equipment, wherein the method comprises the following steps: firstly, acquiring preset design parameters of an ore-smelting furnace, wherein the preset design parameters comprise design parameters of an electrode of the ore-smelting furnace, constructing a three-dimensional simulation model of the ore-smelting furnace based on the preset design parameters, then performing electromagnetic field simulation calculation on the three-dimensional simulation model to obtain volume Joule heat corresponding to the three-dimensional simulation model, finally substituting the volume Joule heat into an energy equation group to perform calculation to obtain temperature field distribution of the ore-smelting furnace, judging the temperature field distribution based on preset process production standards to obtain a judging result, and determining the design parameters of the electrode of the ore-smelting furnace when the judging result indicates that the temperature field distribution meets the preset process production standards, so as to complete structural design of the electrode of the ore-smelting furnace. The method realizes the rapid confirmation of the design parameters of the submerged arc furnace electrode, has accurate calculation result, shortens the research and development period and reduces the research and development cost.
Description
Technical Field
The application relates to the technical field of submerged arc furnace structure design, in particular to a submerged arc furnace electrode design method, a submerged arc furnace electrode design device and submerged arc furnace electrode design equipment.
Background
The submerged arc furnace is mainly applied to smelting metals such as copper, nickel, lead, zinc, tin and the like, and has the advantages of high heat utilization rate, small slag amount, high total recovery rate of the smelted metals and the like compared with other smelting furnaces. Specifically, the production process of the submerged arc furnace is a high-temperature physicochemical process in which gas, solid, liquid and arc plasmas coexist and momentum, mass and heat transfer coupling occurs, so that electromagnetic field distribution and temperature distribution rules of the smelting process cannot be directly measured.
In the prior art, structural parameters and electrical parameters of an electrode of the submerged arc furnace are required to be determined through experiments, a comparison experiment based on different structural parameters and electrical parameters of the electrode is specifically set, the temperature of a furnace lining is measured by means of a thermocouple, and then experimental results under different groups of times are compared, so that corresponding parameters are selected. The experimental process has the following two problems: firstly, the experiment cost is high and the experiment period is long; secondly, the electric field parameters in the hearth are difficult to directly measure, the temperature value is obtained according to the built-in thermocouple of the furnace wall and then is indirectly judged, and the temperature of the wall surface of the hearth is jointly influenced by a plurality of factors such as electromagnetic heat radiation, melt flow, smoke rising and the like, so that the accuracy of the obtained result is difficult to ensure.
Disclosure of Invention
In view of the above, the application provides a method, a device and equipment for designing an electrode of a submerged arc furnace, which mainly aims to solve the technical problems of high experimental cost, long experimental period and low accuracy of electric parameters of the obtained submerged arc furnace when the electrode structure of the submerged arc furnace is designed in the prior art.
According to a first aspect of the present application, there is provided a submerged arc furnace electrode design method comprising:
acquiring preset design parameters of the submerged arc furnace, and constructing a three-dimensional simulation model of the submerged arc furnace based on the preset design parameters, wherein the preset design parameters comprise design parameters of electrodes of the submerged arc furnace;
performing electromagnetic field simulation calculation on the three-dimensional simulation model to obtain volume Joule heat corresponding to the three-dimensional simulation model;
substituting the volume Joule heat into an energy equation set for calculation to obtain the temperature field distribution of the submerged arc furnace, and judging the temperature field distribution based on a preset process production standard to obtain a judging result;
and determining design parameters of the submerged arc furnace electrode when the judging result indicates that the temperature field distribution meets the preset process production standard.
According to a second aspect of the present application, there is provided an electrode design apparatus for a submerged arc furnace, the apparatus comprising:
the parameter acquisition module is used for acquiring preset design parameters of the submerged arc furnace, and constructing a three-dimensional simulation model of the submerged arc furnace based on the preset design parameters, wherein the preset design parameters comprise design parameters of electrodes of the submerged arc furnace;
the simulation calculation module is used for performing electromagnetic field simulation calculation on the three-dimensional simulation model to obtain volume Joule heat corresponding to the three-dimensional simulation model;
the calculation judging module is used for substituting the volume Joule heat into an energy equation set to calculate so as to obtain the temperature field distribution of the submerged arc furnace, and judging the temperature field distribution based on a preset process production standard so as to obtain a judging result;
and the result output module is used for determining the design parameters of the submerged arc furnace electrode when the judgment result indicates that the temperature field distribution meets the preset process production standard.
According to a third aspect of the present application there is provided a storage device having stored thereon a computer program which when executed by a processor implements the submerged arc furnace electrode design method described above.
According to a fourth aspect of the present application there is provided a physical device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the above method of submerged arc furnace electrode design when executing the program.
According to the method, the device, the storage medium and the computer equipment for designing the electrode of the submerged arc furnace, the preset design parameters of the submerged arc furnace are firstly obtained, the preset design parameters comprise the design parameters of the electrode of the submerged arc furnace, a three-dimensional simulation model of the submerged arc furnace is built based on the preset design parameters, electromagnetic field simulation calculation is conducted on the three-dimensional simulation model to obtain volume Joule heat corresponding to the three-dimensional simulation model, finally the volume Joule heat is substituted into an energy equation group to be calculated, temperature field distribution of the submerged arc furnace is obtained, the temperature field distribution is judged based on preset process production standards, a judgment result is obtained, and when the judgment result indicates that the temperature field distribution meets the preset process production standards, the design parameters of the electrode of the submerged arc furnace are determined, and the structural design of the electrode of the submerged arc furnace is completed. According to the submerged arc furnace electrode design method, electromagnetic field simulation calculation is carried out on the three-dimensional simulation model, and the source item of electromagnetic heat generation is added into the energy equation set, so that simulation analysis results capable of truly reflecting the distribution conditions of the electromagnetic field and the temperature field of the submerged arc furnace are obtained, design parameters of the submerged arc furnace electrode meeting the process production standard are screened on the basis of the simulation analysis results, and further the design of the submerged arc furnace electrode structure is completed according to the design parameters. The method realizes the rapid confirmation of the design parameters of the submerged arc furnace electrode, has accurate calculation result, shortens the research and development period and reduces the research and development cost.
The foregoing description is only an overview of the present application, and is intended to be implemented in accordance with the teachings of the present application in order that the same may be more clearly understood and to make the same and other objects, features and advantages of the present application more readily apparent.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on the application. In the drawings:
FIG. 1 shows a schematic flow chart of an electrode design of an submerged arc furnace according to an embodiment of the present application;
FIG. 2 shows a schematic flow chart of an electrode design of an submerged arc furnace according to an embodiment of the present application;
FIG. 3 shows a schematic diagram of a submerged arc furnace according to an embodiment of the present application;
fig. 4 shows a schematic structural diagram of an electrode design device of an submerged arc furnace according to an embodiment of the present application;
FIG. 5 shows a schematic structural diagram of an electrode design device for an submerged arc furnace according to an embodiment of the present application;
fig. 6 shows a schematic diagram of a device structure of an apparatus according to an embodiment of the present application.
In the figure:
1. an electrode; 2. a slag layer; 3. a metal layer; 4. and (5) a water cooling jacket.
Detailed Description
Exemplary embodiments of the present application will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present application are shown in the drawings, it should be understood that the present application may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the application to those skilled in the art.
The embodiment of the application provides a design method of an electrode of an ore smelting furnace, as shown in fig. 1, comprising the following steps:
101. acquiring preset design parameters of the submerged arc furnace, and constructing a three-dimensional simulation model of the submerged arc furnace based on the preset design parameters, wherein the preset design parameters comprise design parameters of electrodes of the submerged arc furnace.
The submerged arc furnace is also called an electric arc furnace or a resistance furnace, and is mainly used for reducing and smelting raw materials such as ore, carbonaceous reducing agent, solvent and the like, as shown in fig. 3, the submerged arc furnace body comprises an electrode 1, a slag layer 2, a metal layer 3 and a water cooling jacket 4, and preset design parameters of the submerged arc furnace specifically comprise basic structure parameters such as slag layer thickness, metal layer thickness and the like, and also comprise design parameters of the electrode inserted into the submerged arc furnace, and all the parameters can be edited and modified according to the requirements of designers.
In this embodiment, preset design parameters of the submerged arc furnace are obtained according to design requirements of a designer, the preset design parameters of the submerged arc furnace are input into common three-dimensional modeling software to construct a three-dimensional simulation model of the submerged arc furnace, the three-dimensional simulation model of the submerged arc furnace can reflect initial design intention of the designer, and the preset design parameters of the submerged arc furnace can be edited and modified during modeling to obtain three-dimensional simulation models corresponding to different preset design parameters, so that a foundation is provided for a subsequent simulation process.
102. And performing electromagnetic field simulation calculation on the three-dimensional simulation model to obtain the volume Joule heat corresponding to the three-dimensional simulation model.
Specifically, the process of simulating the three-dimensional simulation model is to simulate the entity of the submerged arc furnace to seek an optimal design scheme and improve the performance of the submerged arc furnace, wherein the process of performing electromagnetic field simulation calculation on the three-dimensional simulation model is to simulate the electromagnetic performance of the entity of the submerged arc furnace to obtain the electromagnetic characteristics in the submerged arc furnace, and the common electromagnetic field simulation calculation comprises a finite element method FEM, a finite integral/difference method and a moment method MOM, which are not limited herein.
In the embodiment, based on the obtained three-dimensional simulation model, the three-dimensional simulation model is imported into special electromagnetic field simulation software for simulation calculation, so that heat generated in a unit volume of an electromagnetic field in the submerged arc furnace, namely, volume joule heat of the submerged arc furnace can be obtained, and the volume joule heat corresponding to the three-dimensional simulation model is used for a subsequent calculation process.
103. Substituting the volume Joule heat into an energy equation group for calculation to obtain the temperature field distribution of the submerged arc furnace, and judging the temperature field distribution based on a preset process production standard to obtain a judging result.
Specifically, the system of energy equations includes a plurality of energy equations, and the energy equation Cheng Juti is a basic equation for analytically calculating the heat transfer process; the temperature field is a collection of temperatures at various points within the matter system, and the temperature field distribution is a function of time and space coordinates, reflecting in particular the temperature distribution in space and time.
In the embodiment, the three-dimensional simulation model is subjected to electromagnetic field simulation calculation to obtain volume joule heat, the volume joule heat is added into an energy equation set as a source item of electromagnetic heat generation to calculate, so that temperature field distribution in the submerged arc furnace can be obtained, the temperature field distribution can truly reflect the temperature field distribution condition of the submerged arc furnace, the obtained temperature field distribution is judged based on a preset process production standard, and further screening of the temperature field distribution result can be realized based on a judging result.
104. And when the judging result indicates that the temperature field distribution meets the preset process production standard, determining the design parameters of the submerged arc furnace electrode.
In this embodiment, the obtained temperature field distribution is further judged, that is, only when the temperature field distribution meets the preset process production standard, the three-dimensional simulation model constructed based on the preset design parameters of the current submerged arc furnace can be proved to meet the design standard, the submerged arc furnace designed based on the preset design parameters of the submerged arc furnace can be put into production and used, and then the design parameters of the electrodes in the submerged arc furnace are determined based on the preset design parameters of the submerged arc furnace, so that the design process of the overall structure of the submerged arc furnace electrode is completed.
According to the method, the device, the storage medium and the computer equipment for designing the electrode of the submerged arc furnace, the preset design parameters of the submerged arc furnace are firstly obtained, the preset design parameters comprise the design parameters of the electrode of the submerged arc furnace, a three-dimensional simulation model of the submerged arc furnace is built based on the preset design parameters, electromagnetic field simulation calculation is conducted on the three-dimensional simulation model to obtain volume Joule heat corresponding to the three-dimensional simulation model, finally the volume Joule heat is substituted into an energy equation group to be calculated, temperature field distribution of the submerged arc furnace is obtained, the temperature field distribution is judged based on preset process production standards, a judgment result is obtained, and when the judgment result indicates that the temperature field distribution meets the preset process production standards, the design parameters of the electrode of the submerged arc furnace are determined, and the structural design of the electrode of the submerged arc furnace is completed. According to the submerged arc furnace electrode design method, electromagnetic field simulation calculation is carried out on the three-dimensional simulation model, and the source item of electromagnetic heat generation is added into the energy equation set, so that simulation analysis results capable of truly reflecting the distribution conditions of the electromagnetic field and the temperature field of the submerged arc furnace are obtained, design parameters of the submerged arc furnace electrode meeting the process production standard are screened on the basis of the simulation analysis results, and further the design of the submerged arc furnace electrode structure is completed according to the design parameters. The method realizes the rapid confirmation of the design parameters of the submerged arc furnace electrode, has accurate calculation result, shortens the research and development period and reduces the research and development cost.
The embodiment of the application also provides a design method of the submerged arc furnace electrode, as shown in fig. 2, comprising the following steps:
201. and obtaining design parameters of a plurality of groups of submerged arc furnaces, and constructing a three-dimensional simulation model of the submerged arc furnaces based on the design parameters.
In the embodiment of the application, firstly, a three-dimensional simulation model of the submerged arc furnace is constructed based on the design parameters of the submerged arc furnace, the design parameters of the submerged arc furnace can be edited, the design parameters of the submerged arc furnace electrode can be specifically included, the initial design intention of a designer can be reflected, and the subsequent modification is convenient, wherein the number of the design parameters of the submerged arc furnace electrode is multiple groups, so that the design parameters of the submerged arc furnace are also multiple groups, a corresponding three-dimensional simulation model is obtained based on the design parameters of each group of submerged arc furnace, and each three-dimensional simulation model is further simulated one by one, and the specific modeling process of the three-dimensional simulation model in the step is consistent with that of step 101, and excessive details are omitted.
202. And performing electromagnetic field simulation calculation on each three-dimensional simulation model to obtain the volume Joule heat corresponding to the three-dimensional simulation model.
Specifically, a three-dimensional simulation model is imported, material parameters of the three-dimensional simulation model are edited, wherein the material parameters of the three-dimensional simulation model comprise electrode material parameters, slag layer material parameters and metal layer material parameters, and electromagnetic field simulation calculation is performed on the three-dimensional simulation model after boundary conditions are applied to an electrode of the submerged arc furnace.
In the embodiment of the application, three-dimensional simulation models are led into special electromagnetic field simulation software one by one, electrode material parameters, slag layer material parameters and metal layer material parameters in the three-dimensional simulation models are specifically edited according to real conditions or design requirements, boundary conditions are applied to electrodes of the submerged arc furnace after the completion of the editing is determined, electromagnetic field simulation calculation is further carried out, the simulation calculation results truly reflect the condition of the magnetic field in the submerged arc furnace, and volume Joule heat corresponding to each three-dimensional simulation model is obtained in the output simulation calculation results.
203. Substituting the volume Joule heat into an energy equation group for calculation to obtain the temperature field distribution of the submerged arc furnace.
The energy equation set comprises a mass conservation equation, a momentum conservation equation and an energy conservation equation.
In the embodiment of the application, the energy equation set comprises equations of three conservation principles of mass conservation, momentum conservation and energy conservation, and the volume Joule heat obtained through electromagnetic field simulation calculation is added into the energy equation set as a source item of electromagnetic heat production for calculation, so that the temperature field distribution in the submerged arc furnace is obtained, and the coupling of the magnetic field and the temperature field in the submerged arc furnace is realized.
Specifically, a corresponding temperature field distribution is obtained specifically based on the design parameters of each group of submerged arc furnaces.
204. And screening the temperature field distribution of the submerged arc furnaces closest to the preset temperature field distribution standard from the temperature field distribution of all submerged arc furnaces based on the preset temperature field distribution standard.
In the embodiment of the application, based on the preset temperature field distribution standard, the acquired temperature field distribution of all the submerged arc furnaces is compared with the preset temperature field distribution standard one by one, and the temperature field distribution closest to the preset temperature field distribution standard is screened out for reservation.
The application compares the temperature field distribution obtained by the electrode design parameters of a plurality of groups of submerged arc furnaces, and the electrode design parameters of the submerged arc furnaces can be embodied in different electrode insertion depths in the submerged arc furnaces, and the specific process is as follows:
when the depth of the electrode of the submerged arc furnace inserted into the submerged arc furnace is a first depth, determining a first design parameter of the submerged arc furnace based on the first depth, constructing a first three-dimensional simulation model of the submerged arc furnace, performing electromagnetic field simulation calculation on the first three-dimensional simulation model to obtain corresponding volume Joule heat, substituting the volume Joule heat into an energy equation set, and calculating to obtain corresponding first temperature field distribution;
changing the depth of inserting the submerged arc furnace electrode into the submerged arc furnace to be a second depth and a third depth respectively, and sequentially repeating the calculation process to obtain second temperature field distribution and third temperature field distribution respectively;
comparing all the temperature field distribution with a preset temperature field distribution standard one by one, determining the temperature field distribution closest to the preset temperature field distribution standard as the finally determined temperature field distribution, and determining the depth of the submerged arc furnace electrode corresponding to the temperature field distribution, which is the optimal electrode insertion depth, into the submerged arc furnace.
205. And judging the temperature field distribution based on a preset process production standard to obtain a judging result.
In the embodiment of the application, the finally determined unique temperature field distribution is compared with the preset process production standard to judge whether the temperature field distribution meets the process production standard or not, and whether the temperature field distribution can be put into practical production and application or not is determined.
206. And when the judging result indicates that the temperature field distribution meets the preset process production standard, determining the design parameters of the submerged arc furnace electrode.
In the embodiment of the present application, when the temperature field distribution meets the preset process production standard, it is proved that the design parameters of the submerged arc furnace meet the design requirements, so that the design parameters of the submerged arc furnace electrode can also be determined, the process is consistent with step 104, and the process is not repeated herein, and finally the submerged arc furnace electrode design process is completed based on the design parameters of the submerged arc furnace electrode.
207. When the judging result indicates that the temperature field distribution does not meet the preset process production standard, modifying the design parameters of the submerged arc furnace electrode until the temperature field distribution meets the preset process production standard, and determining the design parameters of the submerged arc furnace electrode.
Specifically, when the judgment result indicates that the temperature field distribution does not meet the preset process production standard, the design parameters of the submerged arc furnace electrodes in the preset design parameters of the submerged arc furnace are extracted, the design parameters of the submerged arc furnace electrodes are edited to obtain the optimal design parameters of the submerged arc furnace, then an optimal three-dimensional simulation model is built based on the optimal design parameters, electromagnetic field simulation calculation and the like are performed on the optimal three-dimensional simulation model again to obtain the optimal temperature field distribution of the submerged arc furnace, and finally the design parameters of the submerged arc furnace electrodes in the optimal design parameters of the submerged arc furnace are determined until the optimal temperature field distribution meets the preset process production requirement.
In this embodiment, when the judgment result indicates that the temperature field distribution does not meet the preset process production standard, the design parameters of the submerged arc furnace electrode in the preset design parameters of the submerged arc furnace are edited and modified to achieve the optimization of the design parameters of the submerged arc furnace electrode, specifically, the structural parameters of the submerged arc furnace electrode, such as the electrode diameter, are modified, or the process parameters of the submerged arc furnace electrode, such as the smelting current, the smelting voltage or the electrode insertion depth, are modified, then the previous electromagnetic field simulation calculation is repeated, and the volume joule heat is substituted into the energy equation set, so as to finally obtain the optimized temperature field distribution, when the optimized temperature field distribution still meets the preset process production requirement, the design parameters of the submerged arc furnace electrode are finally determined, and if the optimized temperature field distribution still does not meet the preset process production requirement, the design parameters of the submerged arc furnace electrode are edited again, and the process is repeated, so as to finally obtain the design parameters of the submerged arc furnace electrode meeting the preset process production requirement.
According to the method provided by the embodiment of the application, firstly, a plurality of groups of design parameters of the submerged arc furnace are obtained, a three-dimensional simulation model of the submerged arc furnace is constructed based on the design parameters, electromagnetic field simulation calculation is carried out on each three-dimensional simulation model to obtain volume Joule heat corresponding to the three-dimensional simulation model, then the volume Joule heat is substituted into an energy equation group to be calculated to obtain temperature field distribution of the submerged arc furnace, and then the temperature field distribution of the submerged arc furnace closest to the preset temperature field distribution standard is screened out in the temperature field distribution of all the submerged arc furnaces based on the preset temperature field distribution standard, and is judged based on the preset process production standard to obtain a judgment result. According to the electrode design method of the submerged arc furnace, the design parameters of a plurality of groups of submerged arc furnaces are obtained, the design parameters of different groups of submerged arc furnaces are processed one by one, the temperature field distribution corresponding to each group of design parameters is finally obtained, firstly, all the temperature field distribution is screened to select the optimal temperature field distribution result, then the temperature field result is judged to meet the preset process production standard, and the opportunity of parameter adjustment is provided under the condition that the preset process production standard is not met, so that the whole design process has strong flexibility and fault tolerance, and the obtained calculation result is more accurate.
Further, as a specific implementation of the method of fig. 1, an embodiment of the present application provides an electrode design apparatus for an submerged arc furnace, as shown in fig. 4, where the apparatus includes: a parameter acquisition module 301, a simulation calculation module 302, a calculation judgment module 303 and a result output module 304.
The parameter acquisition module 301 is configured to acquire preset design parameters of the submerged arc furnace, and construct a three-dimensional simulation model of the submerged arc furnace based on the preset design parameters, where the preset design parameters include design parameters of electrodes of the submerged arc furnace;
the simulation calculation module 302 is configured to perform electromagnetic field simulation calculation on the three-dimensional simulation model to obtain volume joule heat corresponding to the three-dimensional simulation model;
the calculation and judgment module 303 may be configured to substitute the volume joule heat into the energy equation set to perform calculation, obtain the temperature field distribution of the submerged arc furnace, and judge the temperature field distribution based on a preset process production standard, so as to obtain a judgment result;
and the result output module 304 is configured to determine design parameters of the submerged arc furnace electrode when the determination result indicates that the temperature field distribution meets the preset process production standard.
In a specific application scenario, as shown in fig. 4, the device further includes a result adjustment module 305, where the result adjustment module 305 is specifically configured to extract a design parameter of a submerged arc furnace electrode from preset design parameters of the submerged arc furnace when the temperature field distribution is indicated to not meet the preset process production standard by the judgment result, and edit the design parameter of the submerged arc furnace electrode to obtain an optimal design parameter of the submerged arc furnace; constructing an optimized three-dimensional simulation model based on the optimized design parameters, performing electromagnetic field simulation calculation and the like on the optimized three-dimensional simulation model again to obtain optimized temperature field distribution of the submerged arc furnace; and determining the design parameters of the submerged arc furnace electrode in the optimal design parameters of the submerged arc furnace until the optimal temperature field distribution meets the preset process production requirement.
In a specific application scenario, the result adjustment module 305 may be further configured to extract design parameters of the submerged arc furnace electrode, where the design parameters of the submerged arc furnace electrode include an electrode structure parameter and an electrode process parameter, the electrode structure parameter includes an electrode diameter, and the electrode process parameter includes a smelting current, a smelting voltage, and an electrode insertion depth; editing at least one of electrode diameter, smelting current, smelting voltage and electrode insertion depth based on a preset modification range to obtain optimal design parameters of the submerged arc furnace electrode; and determining the optimal design parameters of the submerged arc furnace according to the optimal design parameters of the submerged arc furnace electrode.
In a specific application scenario, the calculation and judgment module 303 may be configured to determine a design parameter of the submerged arc furnace corresponding to the design parameter of each set of submerged arc furnace electrodes based on the design parameters of the remaining submerged arc furnace electrodes in the design parameters of the multiple sets of submerged arc furnace electrodes; and constructing a three-dimensional simulation model of the corresponding submerged arc furnace based on each set of design parameters, performing electromagnetic field simulation calculation and the like on each three-dimensional simulation model one by one to obtain the temperature field distribution of the submerged arc furnace corresponding to the design parameters of each set of submerged arc furnace electrodes.
In a specific application scenario, the calculation and judgment module 303 may be configured to screen, based on a preset temperature field distribution standard, a temperature field distribution of the submerged arc furnace closest to the preset temperature field distribution standard from among the temperature field distributions of all submerged arc furnaces; after the fact that the temperature field distribution of the submerged arc furnace meets the preset process production standard is determined, determining design parameters of submerged arc furnace electrodes corresponding to the temperature field distribution of the submerged arc furnace.
In a specific application scenario, the simulation calculation module 302 may be configured to import a three-dimensional simulation model and edit material parameters of the three-dimensional simulation model, where the material parameters of the three-dimensional simulation model include an electrode material parameter, a slag layer material parameter, and a metal layer material parameter; after the boundary condition is applied to the submerged arc furnace electrode, electromagnetic field simulation calculation is performed on the three-dimensional simulation model.
In a specific application scenario, the energy equation set includes a mass conservation equation, a momentum conservation equation, and an energy conservation equation.
It should be noted that, other corresponding descriptions of each functional unit related to the electrode design device for an submerged arc furnace provided in this embodiment may refer to corresponding descriptions in fig. 1 and fig. 2, and are not repeated herein.
Based on the above-described methods as shown in fig. 1 and 2, correspondingly, the present embodiment also provides a storage device having stored thereon a computer program which, when executed by a processor, implements the submerged arc furnace electrode design method shown in fig. 1 and 2.
Based on the method shown in fig. 1 and fig. 2 and the embodiment of the submerged arc furnace electrode design apparatus shown in fig. 4 and fig. 5, in order to achieve the above object, referring to fig. 6, the embodiment further provides entity equipment of submerged arc furnace electrode design, where the equipment includes a communication bus, a processor, a memory, a communication interface, and may further include an input/output interface and a display device, where each functional unit may complete communication with each other through the bus. The memory stores a computer program and a processor for executing the program stored in the memory to execute the submerged arc furnace electrode design method in the above embodiment.
Optionally, the physical device may further include a user interface, a network interface, a camera, radio Frequency (RF) circuitry, sensors, audio circuitry, WI-FI modules, and the like. The user interface may include a Display screen (Display), an input unit such as a Keyboard (Keyboard), etc., and the optional user interface may also include a USB interface, a card reader interface, etc. The network interface may optionally include a standard wired interface, a wireless interface (e.g., WI-FI interface), etc.
It will be appreciated by those skilled in the art that the solid device structure of one submerged arc furnace electrode design provided in this embodiment is not limited to this solid device and may include more or fewer components, or may combine certain components, or may have a different arrangement of components.
The storage device may also include an operating system, a network communication module. The operating system is a program for managing the entity equipment hardware and the software resources to be identified, and supports the operation of the information processing program and other software and/or programs to be identified. The network communication module is used for realizing communication among all components in the storage medium and communication with other hardware and software in the information processing entity equipment.
From the above description of the embodiments, it will be apparent to those skilled in the art that the present application may be implemented by means of software plus necessary general hardware platforms, or may be implemented by hardware. By applying the technical scheme, the method comprises the steps of firstly obtaining preset design parameters of the submerged arc furnace, wherein the preset design parameters comprise design parameters of submerged arc furnace electrodes, constructing a three-dimensional simulation model of the submerged arc furnace based on the preset design parameters, then performing electromagnetic field simulation calculation on the three-dimensional simulation model to obtain volume Joule heat corresponding to the three-dimensional simulation model, finally substituting the volume Joule heat into an energy equation group to perform calculation to obtain temperature field distribution of the submerged arc furnace, judging the temperature field distribution based on preset process production standards to obtain a judging result, and determining the design parameters of the submerged arc furnace electrodes when the judging result indicates that the temperature field distribution meets the preset process production standards, so as to complete structural design of the submerged arc furnace electrodes. According to the submerged arc furnace electrode design method, electromagnetic field simulation calculation is carried out on the three-dimensional simulation model, and the source item of electromagnetic heat generation is added into the energy equation set, so that simulation analysis results capable of truly reflecting the distribution conditions of the electromagnetic field and the temperature field of the submerged arc furnace are obtained, design parameters of the submerged arc furnace electrode meeting the process production standard are screened on the basis of the simulation analysis results, and further the design of the submerged arc furnace electrode structure is completed according to the design parameters. The method realizes the rapid confirmation of the design parameters of the submerged arc furnace electrode, has accurate calculation result, shortens the research and development period and reduces the research and development cost.
Those skilled in the art will appreciate that the drawing is merely a schematic illustration of a preferred implementation scenario and that the modules or flows in the drawing are not necessarily required to practice the application. Those skilled in the art will appreciate that modules in an apparatus in an implementation scenario may be distributed in an apparatus in an implementation scenario according to an implementation scenario description, or that corresponding changes may be located in one or more apparatuses different from the implementation scenario. The modules of the implementation scenario may be combined into one module, or may be further split into a plurality of sub-modules.
The above-mentioned inventive sequence numbers are merely for description and do not represent advantages or disadvantages of the implementation scenario. The foregoing disclosure is merely illustrative of some embodiments of the application, and the application is not limited thereto, as modifications may be made by those skilled in the art without departing from the scope of the application.
Claims (10)
1. A submerged arc furnace electrode design method, characterized in that the method comprises:
acquiring preset design parameters of the submerged arc furnace, and constructing a three-dimensional simulation model of the submerged arc furnace based on the preset design parameters, wherein the preset design parameters comprise design parameters of electrodes of the submerged arc furnace;
performing electromagnetic field simulation calculation on the three-dimensional simulation model to obtain volume Joule heat corresponding to the three-dimensional simulation model;
substituting the volume Joule heat into an energy equation set for calculation to obtain the temperature field distribution of the submerged arc furnace, and judging the temperature field distribution based on a preset process production standard to obtain a judging result;
and determining design parameters of the submerged arc furnace electrode when the judging result indicates that the temperature field distribution meets the preset process production standard.
2. The method of claim 1, wherein after determining the temperature field distribution based on the preset process production criteria, the method further comprises:
when the judging result indicates that the temperature field distribution does not meet the preset process production standard, extracting design parameters of the submerged arc furnace electrode in preset design parameters of the submerged arc furnace, and editing the design parameters of the submerged arc furnace electrode to obtain optimal design parameters of the submerged arc furnace;
constructing an optimized three-dimensional simulation model based on the optimized design parameters, performing electromagnetic field simulation calculation and the like on the optimized three-dimensional simulation model again to obtain optimized temperature field distribution of the submerged arc furnace;
and determining the design parameters of the submerged arc furnace electrode in the optimal design parameters of the submerged arc furnace until the optimal temperature field distribution meets the preset process production requirement.
3. The method according to claim 2, wherein the extracting and editing the design parameters of the submerged arc furnace electrode from the preset design parameters of the submerged arc furnace to obtain the optimal design parameters of the submerged arc furnace comprises:
extracting design parameters of the submerged arc furnace electrode, wherein the design parameters of the submerged arc furnace electrode comprise electrode structure parameters and electrode process parameters, the electrode structure parameters comprise electrode diameters, and the electrode process parameters comprise smelting current, smelting voltage and electrode insertion depth;
editing at least one of the electrode diameter, the smelting current, the smelting voltage and the electrode insertion depth based on a preset modification range to obtain optimal design parameters of the submerged arc furnace electrode;
and determining the optimal design parameters of the submerged arc furnace according to the optimal design parameters of the submerged arc furnace electrode.
4. The method of claim 1, wherein the number of design parameters of the submerged arc furnace electrodes is a plurality of groups; after substituting the volumetric joule heat into an energy equation set to calculate, and obtaining a temperature field distribution of the submerged arc furnace, the method further includes:
determining the design parameters of the submerged arc furnace corresponding to the design parameters of each group of submerged arc furnace electrodes based on the design parameters of the rest groups of submerged arc furnace electrodes in the design parameters of the plurality of groups of submerged arc furnace electrodes;
and constructing a three-dimensional simulation model of the corresponding submerged arc furnace based on each group of design parameters, performing electromagnetic field simulation calculation and the like on each three-dimensional simulation model one by one to obtain the temperature field distribution of the submerged arc furnace corresponding to the design parameters of each group of submerged arc furnace electrodes.
5. The method of claim 4, further comprising, after said deriving a temperature field profile of the submerged arc furnace corresponding to the design parameters of each set of submerged arc furnace electrodes:
screening the temperature field distribution of the submerged arc furnace closest to the preset temperature field distribution standard from the temperature field distribution of all the submerged arc furnaces based on the preset temperature field distribution standard;
after the fact that the temperature field distribution of the submerged arc furnace meets the preset process production standard is determined, determining design parameters of submerged arc furnace electrodes corresponding to the temperature field distribution of the submerged arc furnace.
6. The method of claim 1, wherein performing electromagnetic field simulation calculations on the three-dimensional simulation model comprises:
importing the three-dimensional simulation model and editing material parameters of the three-dimensional simulation model, wherein the material parameters of the three-dimensional simulation model comprise electrode material parameters, slag layer material parameters and metal layer material parameters;
and after the boundary condition is applied to the submerged arc furnace electrode, performing electromagnetic field simulation calculation on the three-dimensional simulation model.
7. The method of claim 1, wherein the system of energy equations comprises a mass conservation equation, a momentum conservation equation, and an energy conservation equation.
8. An submerged arc furnace electrode design apparatus, comprising:
the parameter acquisition module is used for acquiring preset design parameters of the submerged arc furnace, and constructing a three-dimensional simulation model of the submerged arc furnace based on the preset design parameters, wherein the preset design parameters comprise design parameters of electrodes of the submerged arc furnace;
the simulation calculation module is used for performing electromagnetic field simulation calculation on the three-dimensional simulation model to obtain volume Joule heat corresponding to the three-dimensional simulation model;
the calculation judging module is used for substituting the volume Joule heat into an energy equation set to calculate so as to obtain the temperature field distribution of the submerged arc furnace, and judging the temperature field distribution based on a preset process production standard so as to obtain a judging result;
and the result output module is used for determining the design parameters of the submerged arc furnace electrode when the judgment result indicates that the temperature field distribution meets the preset process production standard.
9. A storage device having stored thereon a computer program, wherein the program when executed by a processor implements the submerged arc furnace electrode design method of any one of claims 1 to 7.
10. A submerged arc furnace electrode design apparatus comprising a storage device, a processor and a computer program stored on the storage device and executable on the processor, characterized in that the processor implements the submerged arc furnace electrode design method according to any one of claims 1 to 7 when executing the program.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117928261A (en) * | 2024-03-21 | 2024-04-26 | 西冶科技集团股份有限公司 | Temperature control method and system for direct-current submerged arc furnace |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117928261A (en) * | 2024-03-21 | 2024-04-26 | 西冶科技集团股份有限公司 | Temperature control method and system for direct-current submerged arc furnace |
| CN117928261B (en) * | 2024-03-21 | 2024-05-31 | 西冶科技集团股份有限公司 | Temperature control method and system for direct-current submerged arc furnace |
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