Nickel coil strip mechanical property evaluation method and system based on annealing and pickling

Abstract

The invention relates to the technical field of nickel coil mechanical property detection, in particular to a nickel coil strip mechanical property evaluation method and system based on annealing and pickling, and the method comprises the steps: obtaining a nickel coil strip, obtaining an annealing temperature interval, obtaining a pickling time interval, carrying out the interval division of the annealing temperature interval and the pickling time interval, and obtaining an annealing temperature set and a pickling time set; the annealing temperature value is matched with each pickling time in the pickling time set to obtain an annealing and pickling matching set, annealing operation is performed on the nickel coil strip to obtain an annealed nickel coil strip, pickling operation is performed on the annealed nickel coil strip to obtain a pickled nickel coil strip, the initial mechanical property value is larger than or equal to a preset mechanical property threshold value, and the initial mechanical property value is larger than or equal to a preset mechanical property threshold value. The optimal comprehensive mechanical property value is extracted from the comprehensive mechanical property value set, and nickel coil strip mechanical property evaluation based on annealing and pickling is completed based on the optimal comprehensive mechanical property value. According to the invention, annealing and pickling process parameters can be optimized.

Description

Technical Field

[0001] The invention relates to the technical field of nickel coil mechanical property detection, and in particular to a method and system for evaluating the mechanical properties of nickel coil strips based on annealing and pickling. Background Art

[0002] Annealing is a heat treatment process that eliminates the internal stress of nickel coil by heating and slowly cooling the nickel coil. Pickling is a surface treatment process that removes the oxide layer, rust, rolling oil and other impurities on the surface by immersing the nickel coil in an acid solution, removing the oxide layer and changing the surface quality. Nickel coil refers to a thin strip material made of nickel or nickel alloy, usually produced by casting, rolling and other processes to form a coil product with a certain thickness, width and length.

[0003] At present, the research on the evaluation of the mechanical properties of nickel coils mainly focuses on the optimization of a single process parameter, and lacks a systematic study on the comprehensive impact of annealing and pickling processes. In addition, the existing evaluation methods usually rely on manual experimental design and manual data analysis, which have problems such as long experimental cycles, low efficiency and insufficient precision. Therefore, how to optimize the annealing and pickling process parameters is a technical problem that needs to be solved urgently. Summary of the invention

[0004] The present invention provides a method for evaluating the mechanical properties of nickel coils based on annealing and pickling, and a computer-readable storage medium, the main purpose of which is to optimize annealing and pickling process parameters, reduce production costs and improve the mechanical properties of nickel coils.

[0005] To achieve the above-mentioned purpose, the present invention provides a method for evaluating the mechanical properties of nickel coil strips based on annealing and pickling, comprising: obtaining a nickel coil strip, obtaining a nickel coil type according to the nickel coil strip, obtaining an annealing temperature range and a pickling solution according to the nickel coil type, and obtaining a pickling time range according to the nickel coil type and the pickling solution; using a preset division equidistant to divide the annealing temperature range and the pickling time range into intervals to obtain an annealing temperature set and a pickling time set, wherein the annealing temperature set includes a plurality of annealing temperature values, wherein the pickling time set includes a plurality of pickling times; extracting an annealing temperature value from the annealing temperature set in turn, and performing the following operations on the extracted annealing temperature values: matching the annealing temperature value with each pickling time in the pickling time set to obtain an annealing and pickling matching group, wherein the annealing and pickling matching group includes an annealing temperature value and a pickling time; summarizing the annealing and pickling matching groups to obtain an annealing and pickling matching group set; sequentially extracting an annealing temperature value from the annealing and pickling matching group set An annealing and pickling matching group is extracted, and the following operations are performed on the extracted annealing and pickling matching group: an annealing operation is performed on the nickel coil strip using the annealing temperature value in the annealing and pickling matching group to obtain an annealed nickel coil strip; a pickling operation is performed on the annealing nickel coil strip using the pickling time in the annealing and pickling matching group to obtain a pickled nickel coil strip, and the pickled nickel coil strip is cut to obtain a cut pickled nickel coil; a mechanical property test is performed on the cut pickled nickel coil to obtain an initial mechanical property value; if it is confirmed that the initial mechanical property value is less than a preset mechanical property threshold, the step of extracting an annealing and pickling matching group from the annealing and pickling matching group set in turn is returned until the initial mechanical property value is greater than or equal to the preset mechanical property threshold to obtain a comprehensive mechanical property value; the comprehensive mechanical property values ​​are summarized to obtain a comprehensive mechanical property value set, and the optimal comprehensive mechanical property value is extracted from the comprehensive mechanical property value set; and the mechanical property evaluation of the nickel coil strip based on annealing and pickling is completed based on the optimal comprehensive mechanical property value.

[0006] Optionally, the using a preset partitioning equidistant to divide the annealing temperature interval and the pickling time interval into intervals to obtain an annealing temperature set and a pickling time set comprises: using a pre-constructed partitioning formula and a preset partitioning equidistant to partition the annealing temperature interval and the pickling time interval into intervals to obtain an annealing temperature set and a pickling time set; wherein the partitioning formula is as follows: ,in, Indicates annealing temperature or pickling time, Indicates the lower limit of the annealing temperature range or pickling time range, Indicates the upper limit of the annealing temperature range or pickling time range. represents the index of the partition point, Indicates the number of sub-intervals divided.

[0007] Optionally, the method of performing an annealing operation on the nickel coil strip using the annealing temperature value in the annealing and pickling matching group to obtain the annealed nickel coil strip includes: obtaining an annealing furnace and introducing the nickel coil strip into the annealing furnace to obtain the nickel coil strip to be heated; obtaining an optimal mixed gas combination, setting the temperature according to the annealing temperature value in the annealing and pickling matching group and a pre-constructed thermocouple to obtain a heating temperature, wherein the thermocouple is located in the annealing furnace; obtaining a heating environment according to the heating temperature, the optimal mixed gas combination and the annealing furnace; heating the nickel coil strip to be heated using the heating environment and a preset heating time to obtain a heated nickel coil strip; and performing a cooling operation on the heated nickel coil strip using a preset cooling time to obtain an annealed nickel coil strip.

[0008] Optionally, the obtaining of the optimal mixed gas combination includes: obtaining multiple historical gas detection time periods and spare nickel coil strips; extracting one historical gas detection time period from the multiple historical gas detection time periods in turn, and performing the following operations on the extracted historical detection time periods: obtaining the current gas volume, performing a gas filling operation on the current gas volume using a preset mixed gas volume, and obtaining a cumulative gas volume, wherein the preset mixed gas volume includes an argon volume and a hydrogen volume; using the cumulative gas volume and an annealing furnace to burn the spare nickel coil strip to obtain a burned nickel coil strip and a combustion gas concentration; obtaining the surface oxide layer thickness and surface roughness of the burned nickel coil strip, and obtaining a surface quality score based on the surface oxide layer thickness and surface roughness; obtaining the argon unit price, hydrogen unit price and energy consumption cost based on the preset mixed gas volume, and obtaining the gas Cost score; obtain combustion gas toxicity according to combustion gas concentration, obtain greenhouse effect according to combustion gas toxicity, obtain environmental impact score according to combustion gas toxicity, greenhouse effect and combustion gas concentration; obtain comprehensive evaluation score according to environmental impact score, surface quality score and gas cost score; if it is confirmed that the comprehensive evaluation score is less than the preset comprehensive evaluation threshold, the historical gas detection time period is eliminated, the retained historical gas detection time period is summarized to obtain multiple updated historical gas detection time periods, the multiple updated historical gas detection time periods are the multiple historical gas detection time periods, the accumulated gas volume is the current gas volume, and the step of extracting one historical gas detection time period from the multiple historical gas detection time periods is returned to, until the comprehensive evaluation score is greater than or equal to the preset comprehensive evaluation threshold, and the mixed gas volume corresponding to the historical gas detection time period is confirmed as the optimal mixed gas combination.

[0009] Optionally, obtaining a comprehensive evaluation score according to the environmental impact score, the surface quality score and the gas cost score includes: calculating the comprehensive evaluation score according to a pre-constructed comprehensive scoring formula, the combustion gas concentration, the surface quality score and the gas cost score, wherein the comprehensive scoring formula is as follows: , , , ,in, Indicates the surface quality score, Represents the weight coefficient of the surface oxide layer thickness, Indicates the thickness of the surface oxide layer, Represents the weight coefficient of surface roughness, Indicates the surface roughness, The weight coefficient representing the hardness of the material, Indicates the material hardness of the burned nickel coil strip. represents the gas cost score, Indicates the unit price of argon gas, represents the unit price of hydrogen, represents the energy cost, represents the maintenance cost, represents the environmental impact score, represents the weight coefficient of the combustion gas concentration, Indicates the combustion gas concentration, The weight coefficient representing the toxicity of the gas, Indicates gas toxicity. represents the weight coefficient of the greenhouse effect, represents the greenhouse effect, Represents the comprehensive evaluation score.

[0010] Optionally, the method of performing a pickling operation on the annealed nickel coil strip using the pickling time in the annealing and pickling matching group to obtain a pickled nickel coil strip comprises: obtaining the original thickness and original mass of the annealed nickel coil strip, introducing the annealed nickel coil strip into a pre-constructed pickling tank to obtain an unpickled nickel coil strip; pickling the unpickled nickel coil strip using the pickling solution and the pickling time, and stirring the pickling solution using a pre-constructed stirrer and a preset speed to obtain an initial pickled nickel coil; and using a preset water washing time to pickle the initial pickled nickel coil strip. Perform a water washing operation to obtain a water-washed nickel coil strip, dry the water-washed nickel coil strip to obtain a dried nickel coil strip; obtain the dried nickel coil mass of the dried nickel coil strip, and obtain the pickling rate according to the original thickness, the original mass, the dried nickel coil mass and the pickling time; if it is confirmed that the pickling rate is not within the preset pickling rate range, use the dried nickel coil strip as the annealed nickel coil strip, return to the step of obtaining the original thickness and the original mass of the annealed nickel coil strip, until the pickling rate is within the preset pickling rate range to obtain the pickled nickel coil strip.

[0011] Optionally, obtaining the pickling rate according to the original thickness, the original mass, the mass of the dried nickel coil and the pickling time includes: calculating the pickling rate according to a pre-constructed pickling rate formula, the original thickness, the original mass, the mass of the dried nickel coil and the pickling time, wherein the pickling rate formula is as follows: ,in, Indicates the pickling rate, Indicates the quality of dry nickel coil, represents the original thickness, Indicates the original quality, Indicates the pickling time.

[0012] Optionally, the mechanical property test of the cut pickled nickel coil to obtain the initial mechanical property value includes: marking the cut pickled nickel coil to obtain the original gauge length, pre-stretching the cut pickled nickel coil using a pre-built tensile testing machine and a preset pre-stretching force to obtain a pre-stretching result, wherein the cut pickled nickel coil is located between an upper clamp and a lower clamp of the tensile testing machine, wherein the pre-stretching result includes: the cut pickled nickel coil moves or the cut pickled nickel coil does not move; if it is confirmed that the cut pickled nickel coil moves, adjusting the preset pre-stretching force until the cut pickled nickel coil does not move, obtaining a preload force, and incrementing the preload force using a preset incremental tensile force to obtain an incremental tensile force. Tensile force, using incremental tensile force and preset detection time to continuously stretch the cut pickled nickel coil until the cut pickled nickel coil breaks, and obtain the fracture gauge length, tensile force set and displacement set, wherein the tensile force in the tensile force set corresponds to the displacement in the displacement set one by one; based on the tensile force set and the displacement set, a tensile force-displacement curve is obtained, wherein the horizontal axis of the tensile force-displacement curve is the displacement and the vertical axis is the tensile force; the yield point and the maximum tensile force are obtained according to the tensile force-displacement curve, and the yield tensile force is obtained according to the yield point; the initial mechanical property value is calculated according to the pre-constructed comprehensive mechanical property formula, the original gauge length, the fracture gauge length, the yield tensile force, the yield point and the maximum tensile force.

[0013] Optionally, the comprehensive mechanical properties formula includes: ,in, represents the initial mechanical property value, represents the yield tensile stress, Indicates the cross-sectional area of ​​the cut pickled nickel coil, Indicates the maximum tensile force, represents the fracture gauge length, Indicates the original gauge length.

[0014] To achieve the above-mentioned purpose, the present invention also provides a nickel coil strip mechanical property evaluation system based on annealing and pickling, including: a nickel coil parameter acquisition module, used to acquire nickel coil strip, acquire nickel coil type according to nickel coil strip, acquire annealing temperature interval and pickling solution according to nickel coil type, and acquire pickling time interval according to nickel coil type and pickling solution; a nickel coil parameter combination module, used to divide annealing temperature interval and pickling time interval into intervals respectively by using preset division equidistant intervals to obtain annealing temperature set and pickling time set, wherein the annealing temperature set includes multiple annealing temperature values, wherein the pickling time set includes multiple pickling times, extract an annealing temperature value from the annealing temperature set in turn, and perform the following operations on the extracted annealing temperature values: match the annealing temperature value with each pickling time in the pickling time set to obtain an annealing and pickling matching group, wherein the annealing and pickling matching group includes one annealing temperature value and one pickling time, and summarize the annealing and pickling matching groups to obtain an annealing and pickling matching group set; a nickel coil performance detection module, used to Extract one annealing and pickling matching group from the annealing and pickling matching group set in turn, and perform the following operations on the extracted annealing and pickling matching groups: perform an annealing operation on the nickel coil strip using the annealing temperature value in the annealing and pickling matching group to obtain an annealed nickel coil strip, perform a pickling operation on the annealing nickel coil strip using the pickling time in the annealing and pickling matching group to obtain a pickled nickel coil strip, cut the pickled nickel coil strip to obtain a cut pickled nickel coil, perform a mechanical property test on the cut pickled nickel coil to obtain an initial mechanical property value, and if it is confirmed that the initial mechanical property value is less than a preset mechanical property threshold, return to the step of extracting one annealing and pickling matching group from the annealing and pickling matching group set in turn until the initial mechanical property value is greater than or equal to the preset mechanical property threshold to obtain a comprehensive mechanical property value; a nickel coil performance optimization module is used to summarize the comprehensive mechanical property values ​​to obtain a comprehensive mechanical property value set, extract the optimal comprehensive mechanical property value from the comprehensive mechanical property value set, and complete the mechanical property evaluation of the nickel coil strip based on annealing and pickling based on the optimal comprehensive mechanical property value.

[0015] In order to solve the above problems, the present invention also provides an electronic device, which includes: a memory storing at least one instruction; a processor executing the instructions stored in the memory to implement the above-mentioned method for evaluating the mechanical properties of nickel coils based on annealing and pickling.

[0016] In order to solve the above problems, the present invention also provides a computer-readable storage medium, in which at least one instruction is stored, and the at least one instruction is executed by a processor in an electronic device to implement the above-mentioned method for evaluating the mechanical properties of nickel coils based on annealing and pickling.

[0017] The present invention solves the problem described in the background technology. The present invention obtains a nickel coil strip, obtains a nickel coil type according to the nickel coil strip, obtains an annealing temperature range and a pickling solution according to the nickel coil type, and obtains a pickling time range according to the nickel coil type and the pickling solution. The present invention clarifies the type of the nickel coil strip to ensure that subsequent annealing and pickling process parameters match the material properties, thereby improving the pertinence and effectiveness of the process. At the same time, through the preset annealing temperature range and pickling time range, a basis is provided for subsequent experimental design to ensure the systematicness and comprehensiveness of the experiment. The annealing temperature range and the pickling time range are divided into intervals using preset equidistant divisions to obtain an annealing temperature set and a pickling time set, wherein the annealing temperature set includes multiple annealing temperature values, wherein the pickling time set The present invention quantifies the specific values ​​of the annealing temperature and the pickling time by interval division to form multiple parameter combinations, thereby ensuring that the experiment covers all possible process parameters and improving the comprehensiveness and accuracy of the experiment. An annealing temperature value is extracted from the annealing temperature set in turn, and the following operations are performed on the extracted annealing temperature values: The present invention extracts annealing temperature values ​​one by one to ensure that each annealing temperature value can be combined with all pickling times to form a comprehensive experimental combination, thereby avoiding missing key parameter combinations. The annealing temperature value is matched with each pickling time in the pickling time set to obtain an annealing and pickling matching group, wherein the annealing and pickling matching group includes an annealing temperature value and a pickling time. The present invention matches the annealing temperature value with each pickling time in the pickling time set to obtain an annealing and pickling matching group. Annealing temperature and pickling time are combined to form a specific process parameter combination, which provides clear process guidance for subsequent experiments and ensures the standardization and repeatability of the experiments. The annealing and pickling matching groups are summarized to obtain the annealing and pickling matching group set. The present invention summarizes all possible process parameter combinations to form a complete matching group set, which is convenient for system management and data analysis of subsequent experiments and improves the organizational efficiency of the experiments. An annealing and pickling matching group is extracted from the annealing and pickling matching group set in turn, and the following operations are performed on the extracted annealing and pickling matching groups: The present invention extracts matching groups one by one to ensure that each process parameter combination can be experimented, avoids missing any combination that may affect the mechanical properties, and uses the annealing temperature value in the annealing and pickling matching group to perform annealing operations on the nickel coil strip. The present invention optimizes the mixed gas combination and the annealing temperature in the annealing process by a systematic method, ensures that the nickel coil strip obtains the best surface quality and mechanical properties in the annealing process, reduces energy consumption cost and environmental impact, improves production efficiency and product quality, performs pickling operation on the annealed nickel coil strip by using the pickling time in the annealing pickling matching group, obtains the pickled nickel coil strip, cuts the pickled nickel coil strip, obtains the cut pickled nickel coil, the present invention ensures that the pickling effect of the nickel coil strip is optimal by accurately controlling the parameters of the pickling process, and ensures the stability and efficiency of the process by monitoring the pickling rate, reduces material waste and environmental impact, performs mechanical property testing on the cut pickled nickel coil, obtains the initial mechanical property value,The present invention ensures that the mechanical property evaluation of the nickel coil strip has high accuracy and reliability through precise mechanical property testing and data analysis, thereby providing accurate data support for optimizing annealing and pickling process parameters. If it is confirmed that the initial mechanical property value is less than the preset mechanical property threshold, the step of sequentially extracting an annealing and pickling matching group from the annealing and pickling matching group is returned to until the initial mechanical property value is greater than or equal to the preset mechanical property threshold, and a comprehensive mechanical property value is obtained. The present invention ensures that a process parameter combination that meets the requirements is screened out by setting a preset mechanical property threshold, avoids invalid process parameter combinations, and improves the efficiency and accuracy of the experiment. The present invention summarizes all the comprehensive mechanical property values ​​that meet the conditions to form a comprehensive performance set, and extracts the optimal value from the comprehensive mechanical property value set, thereby ensuring that the best process parameter combination is found, improving the comprehensive performance of the material, and completing the mechanical property evaluation of nickel coils and strips based on annealing and pickling based on the optimal comprehensive mechanical property values. The present invention ensures that the optimal annealing and pickling process parameters are found through the final evaluation, significantly improving the mechanical properties of nickel coils and strips, meeting high-precision and high-requirement application scenarios, and providing reliable theoretical basis and technical support for actual production and application. Therefore, the present invention can optimize the annealing and pickling process parameters, reduce production costs, and improve the mechanical properties of nickel coils and strips. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A schematic flow chart of a method for evaluating the mechanical properties of a nickel coil based on annealing and pickling provided in one embodiment of the present invention; Figure 2 A functional module diagram of a nickel coil strip mechanical property evaluation system based on annealing and pickling provided by an embodiment of the present invention; Figure 3 A schematic diagram of the structure of an electronic device for implementing the method for evaluating the mechanical properties of nickel coils based on annealing and pickling provided in one embodiment of the present invention.

[0019] Explanation of the reference numerals: 1. electronic device; 10. processor; 11. memory; 12. bus.

[0020] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0021] It should be understood that the specific embodiments described herein are only used to explain the present invention, and are not used to limit the present invention.

[0022] The embodiment of the present application provides a method for evaluating the mechanical properties of nickel coils and strips based on annealing and pickling. The execution subject of the method for evaluating the mechanical properties of nickel coils and strips based on annealing and pickling includes but is not limited to at least one of the electronic devices such as a server and a terminal that can be configured to execute the method provided in the embodiment of the present application. In other words, the method for evaluating the mechanical properties of nickel coils and strips based on annealing and pickling can be executed by software or hardware installed on a terminal device or a server device, and the software can be a blockchain platform. The server includes but is not limited to: a single server, a server cluster, a cloud server or a cloud server cluster, etc.

[0023] Reference Figure 1 FIG. 1 is a flow chart of a method for evaluating the mechanical properties of a nickel coil based on annealing and pickling provided by an embodiment of the present invention. In this embodiment, the method for evaluating the mechanical properties of a nickel coil based on annealing and pickling includes: S1, obtaining a nickel coil, obtaining a nickel coil type according to the nickel coil, obtaining an annealing temperature range and a pickling solution according to the nickel coil type, and obtaining a pickling time range according to the nickel coil type and the pickling solution.

[0024] It should be explained that the step of obtaining the nickel coil strip is: obtaining the nickel coil strip according to the manufacturer of the nickel coil strip. The step of obtaining the nickel coil type according to the nickel coil strip is: obtaining the nickel coil type according to the material label of the nickel coil strip. The step of obtaining the annealing temperature range and the pickling solution according to the nickel coil type is: obtaining the annealing temperature range and the pickling solution from the historical annealing temperature database and the historical pickling solution database according to the nickel coil type. The step of obtaining the pickling time range according to the nickel coil type and the pickling solution is: retrieving the corresponding pickling time range from the corresponding pickling solution database according to the nickel coil type and the pickling solution.

[0025] S2. Divide the annealing temperature interval and the pickling time interval into intervals using preset equal intervals to obtain an annealing temperature set and a pickling time set.

[0026] Specifically, the annealing temperature set includes a plurality of annealing temperature values, and the pickling time set includes a plurality of pickling times.

[0027] It should be explained that equal-interval division means dividing a given interval into several sub-intervals according to a fixed step size. The annealing temperature set refers to a set of specific temperature values ​​generated from the annealing temperature interval by the equal-interval division method. The pickling time set refers to a set of specific time values ​​generated from the pickling time interval by the equal-interval division method.

[0028] In detail, the method of using a preset partitioning equidistant to partition the annealing temperature interval and the pickling time interval to obtain an annealing temperature set and a pickling time set includes: using a pre-constructed partitioning formula and a preset partitioning equidistant to partition the annealing temperature interval and the pickling time interval to obtain an annealing temperature set and a pickling time set; wherein the partitioning formula is as follows: ,in, Indicates annealing temperature or pickling time, Indicates the lower limit of the annealing temperature range or pickling time range, Indicates the upper limit of the annealing temperature range or pickling time range. represents the index of the partition point, Indicates the number of sub-intervals divided.

[0029] It should be explained that the annealing temperature value refers to the specific temperature value obtained by equally dividing the annealing temperature interval. The lower limit of the annealing temperature interval or the pickling time interval refers to the minimum value of the annealing temperature interval or the pickling time interval. The upper limit of the annealing temperature interval or the pickling time interval refers to the maximum value of the annealing temperature interval or the pickling time interval. The index of the dividing point refers to each specific point obtained by the division. The number of divided sub-intervals refers to the number of sub-intervals into which the annealing temperature interval or the pickling time interval is divided. The number of subintervals after.

[0030] S3. Extract an annealing temperature value from the annealing temperature set in turn, and perform the following operations on the extracted annealing temperature values: match the annealing temperature value with each pickling time in the pickling time set to obtain an annealing pickling matching group, wherein the annealing pickling matching group includes an annealing temperature value and a pickling time, and summarize the annealing pickling matching groups to obtain an annealing pickling matching group set.

[0031] It should be explained that matching refers to the operation of combining each temperature value in the annealing temperature set with each pickling time in the pickling time set. An annealing pickling matching group refers to a combination of a specific annealing temperature value and a specific pickling time. An annealing pickling matching group set refers to the set of all annealing pickling matching groups, including all annealing temperature and pickling time combinations.

[0032] For example, the annealing temperature set is [700, 750, 800], and the pickling time set is [10, 20, 30]. The annealing temperature set is matched with the pickling time set to obtain the annealing and pickling matching group set [(700, 10), (700, 20), (700, 30), (750, 10), (750, 20), (750, 30), (800, 10), (800, 20), (800, 30)].

[0033] S4. Extract one annealing and pickling matching group from the annealing and pickling matching group set in turn, and perform the following operations on the extracted annealing and pickling matching groups: perform an annealing operation on the nickel coil strip using the annealing temperature value in the annealing and pickling matching group to obtain an annealed nickel coil strip.

[0034] In detail, the method of performing an annealing operation on the nickel coil strip using the annealing temperature value in the annealing and pickling matching group to obtain the annealed nickel coil strip includes: obtaining an annealing furnace, and introducing the nickel coil strip into the annealing furnace to obtain the nickel coil strip to be heated; obtaining an optimal mixed gas combination, setting the temperature according to the annealing temperature value in the annealing and pickling matching group and a pre-constructed thermocouple, and obtaining a heating temperature, wherein the thermocouple is located in the annealing furnace; obtaining a heating environment according to the heating temperature, the optimal mixed gas combination and the annealing furnace; heating the nickel coil strip to be heated using the heating environment and a preset heating time to obtain a heated nickel coil strip; performing a cooling operation on the heated nickel coil strip using a preset cooling time to obtain an annealed nickel coil strip.

[0035] It should be explained that an annealing furnace refers to a device specifically used for annealing of metal materials. By controlling temperature and gas, the metal material undergoes structural changes to improve the performance of the metal material. The annealing furnace described in the embodiment of the present invention refers to a device for annealing nickel coil strip. The step of introducing the nickel coil strip into the annealing furnace is: using a conveyor belt to convey the nickel coil strip to the entrance of the annealing furnace, and then using a robotic arm to place the nickel coil strip in the annealing furnace. The nickel coil strip to be heated refers to a nickel coil strip that has been placed in the annealing furnace but has not yet been heated. A thermocouple refers to a temperature sensor, a device for measuring the actual temperature in an annealing furnace.

[0036] Importantly, the heating temperature refers to the temperature at which the nickel coil strip is heated. The heating environment refers to the environment including the heating temperature, the optimal mixed gas combination and the annealing furnace. The preset heating time refers to the pre-set heating duration, which is used to ensure that the nickel coil strip fully completes the annealing process at high temperature. The heated nickel coil strip refers to the nickel coil strip after the heating treatment. The step of performing a cooling operation on the heated nickel coil strip using the preset cooling time is: placing the heated nickel coil strip in a cooling chamber, and naturally cooling the heated nickel coil strip according to the cooling time. The annealed nickel coil strip refers to the nickel coil strip finally obtained after the heating and cooling treatment.

[0037] In detail, the method of obtaining the best mixed gas combination includes: obtaining multiple historical gas detection time periods and spare nickel coil strips; extracting a historical gas detection time period from the multiple historical gas detection time periods in turn, and performing the following operations on the extracted historical detection time periods: obtaining the current gas volume, performing a gas filling operation on the current gas volume using a preset mixed gas volume, and obtaining a cumulative gas volume, wherein the preset mixed gas volume includes an argon volume and a hydrogen volume; using the cumulative gas volume and an annealing furnace to burn the spare nickel coil strip to obtain a burned nickel coil strip and a combustion gas concentration; obtaining the surface oxide layer thickness and surface roughness of the burned nickel coil strip, and obtaining a surface quality score based on the surface oxide layer thickness and surface roughness; obtaining the argon unit price, hydrogen unit price and energy consumption cost based on the preset mixed gas volume, and obtaining the gas Cost score; obtain combustion gas toxicity according to combustion gas concentration, obtain greenhouse effect according to combustion gas toxicity, obtain environmental impact score according to combustion gas toxicity, greenhouse effect and combustion gas concentration; obtain comprehensive evaluation score according to environmental impact score, surface quality score and gas cost score; if it is confirmed that the comprehensive evaluation score is less than the preset comprehensive evaluation threshold, the historical gas detection time period is eliminated, the retained historical gas detection time period is summarized to obtain multiple updated historical gas detection time periods, the multiple updated historical gas detection time periods are the multiple historical gas detection time periods, the accumulated gas volume is the current gas volume, and the step of extracting one historical gas detection time period from the multiple historical gas detection time periods is returned to, until the comprehensive evaluation score is greater than or equal to the preset comprehensive evaluation threshold, and the mixed gas volume corresponding to the historical gas detection time period is confirmed as the optimal mixed gas combination.

[0038] Exemplarily, multiple historical gas detection time periods: historical gas detection time period A is 8:00 on December 2, 2024, historical gas detection time period B is 9:00 on December 2, 2024, and historical gas detection time period C is 10:00 on December 2, 2024. A historical gas detection time period A is extracted from multiple historical gas detection time periods, and the current gas volume is obtained as 0, and the preset mixed gas volume is 50. The preset mixed gas volume is used to perform a gas filling operation on the current gas volume to obtain a cumulative gas volume of 50. The spare nickel coil strip is burned using the cumulative gas volume to obtain the burned nickel coil strip and the combustion gas concentration, and the burned nickel coil strip is burned. and combustion gas concentration, and finally the comprehensive evaluation score is less than the preset comprehensive evaluation threshold, then the historical gas detection period A is eliminated, and the retained historical gas detection period B and historical gas detection period C are summarized to obtain multiple updated historical gas detection period, and the multiple updated historical gas detection period are used as the multiple historical gas detection period, and the accumulated gas volume 50 is used as the current gas volume 50, and the next historical gas detection period B is extracted from the multiple historical gas detection period, and the comprehensive evaluation score of the historical gas detection period B is greater than or equal to the preset comprehensive evaluation threshold, and the mixed gas volume corresponding to the historical gas detection period is confirmed as the optimal mixed gas combination.

[0039] It should be explained that the historical gas detection period refers to the detection period that has passed. The spare nickel coil strip refers to the nickel coil strip used for gas combustion experiments. The mixed gas volume refers to the total volume of argon and hydrogen mixed in a certain proportion. The burning nickel coil strip refers to the nickel coil strip after the spare nickel coil strip is burned by the mixed gas. The combustion gas concentration refers to the concentration of the gas generated during the combustion process. The current gas volume refers to the gas volume already in the annealing furnace during a specific historical gas detection period. The accumulated gas volume refers to the total gas volume in the annealing furnace after the gas filling operation. The gas filling operation refers to the operation of adding the preset mixed gas volume to the current gas volume.

[0040] It is understandable that the steps of obtaining the thickness of the surface oxide layer and the surface roughness of the burning nickel coil strip are: using an optical microscope to observe and measure the thickness of the surface oxide layer, and using a surface roughness meter to measure the surface roughness. The thickness of the surface oxide layer refers to the thickness of the oxide layer formed on the surface of the burning spare nickel coil strip. Surface roughness refers to the degree of unevenness on the surface of the burning spare nickel coil strip. The unit price of argon refers to the purchase price of argon. The unit price of hydrogen refers to the purchase price of hydrogen. Energy consumption cost refers to the energy consumption cost required to produce mixed gas and conduct combustion experiments. The step of obtaining the toxicity of combustion gas according to the concentration of combustion gas is: using a gas analyzer to detect the composition of combustion gas and obtain the toxicity of combustion gas. The comprehensive evaluation score refers to the score calculated based on the environmental impact score, surface quality score and gas cost score.

[0041] It should also be explained that the comprehensive evaluation threshold refers to a pre-set standard limit value used to determine whether the comprehensive evaluation score of a mixed gas combination meets the requirements. Removal refers to the operation of removing historical gas detection periods that do not meet the conditions from multiple historical gas detection periods. Multiple updated historical gas detection periods refer to the remaining historical gas detection period collection after removing historical gas detection periods that do not meet the conditions. The best mixed gas combination refers to the mixed gas volume combination with the best comprehensive performance that is finally determined after multiple evaluations and screenings.

[0042] Further, obtaining a comprehensive evaluation score according to the environmental impact score, the surface quality score and the gas cost score includes: calculating the comprehensive evaluation score according to a pre-built comprehensive scoring formula, the combustion gas concentration, the surface quality score and the gas cost score, wherein the comprehensive scoring formula is as follows: , , , ,in, Indicates the surface quality score, Represents the weight coefficient of the surface oxide layer thickness, Indicates the thickness of the surface oxide layer, Represents the weight coefficient of surface roughness, Indicates the surface roughness, The weight coefficient representing the hardness of the material, Indicates the material hardness of the burned nickel coil strip. represents the gas cost score, Indicates the unit price of argon gas, represents the unit price of hydrogen, represents the energy cost, represents the maintenance cost, represents the environmental impact score, represents the weight coefficient of the combustion gas concentration, Indicates the combustion gas concentration, The weight coefficient representing the toxicity of the gas, Indicates gas toxicity. represents the weight coefficient of the greenhouse effect, represents the greenhouse effect, Represents the comprehensive evaluation score.

[0043] It should be explained that the weight coefficient refers to the coefficient used to adjust the influence of different parameters on the final score. The material hardness refers to the hardness of the spare nickel coil after burning. For example, the hardness of the burned nickel coil is tested using the Vickers hardness test, and the material hardness is measured to be 200HV.

[0044] It is understood that maintenance costs refer to the expenses for regular inspection and maintenance of waste disposal equipment.

[0045] S5. Performing a pickling operation on the annealed nickel coil strip using the pickling time in the annealing and pickling matching group to obtain a pickled nickel coil strip, and cutting the pickled nickel coil strip to obtain a cut pickled nickel coil.

[0046] It should be explained that the step of cutting the pickled nickel coil strip to obtain the cut pickled nickel coil is: using an automatic cutting device and a preset cutting width to cut the pickled nickel coil strip to obtain the cut pickled nickel coil. The cut pickled nickel coil refers to a nickel coil cut from the pickled nickel coil strip.

[0047] In detail, the pickling operation is performed on the annealed nickel coil strip using the pickling time in the annealing pickling matching group to obtain the pickled nickel coil strip, including: obtaining the original thickness and original mass of the annealed nickel coil strip, introducing the annealed nickel coil strip into a pre-constructed pickling tank to obtain an unpickled nickel coil strip; pickling the unpickled nickel coil strip using the pickling solution and the pickling time, and stirring the pickling solution using a pre-constructed stirrer and a preset speed to obtain an initial pickled nickel coil; using a preset water washing time to pickle the initial pickled nickel coil Perform a water washing operation to obtain a water-washed nickel coil strip, dry the water-washed nickel coil strip to obtain a dried nickel coil strip; obtain the dried nickel coil mass of the dried nickel coil strip, and obtain the pickling rate according to the original thickness, the original mass, the dried nickel coil mass and the pickling time; if it is confirmed that the pickling rate is not within the preset pickling rate range, use the dried nickel coil strip as the annealed nickel coil strip, return to the step of obtaining the original thickness and the original mass of the annealed nickel coil strip, until the pickling rate is within the preset pickling rate range to obtain the pickled nickel coil strip.

[0048] It should be explained that the steps of obtaining the original thickness and original mass of the annealed nickel coil strip are: using a laser thickness gauge to measure the annealed nickel coil strip to obtain the original thickness, and using an electronic balance to weigh the annealed nickel coil strip to obtain the original mass. The pickling tank is a container for containing the pickling solution. The step of introducing the annealed nickel coil strip into the pre-constructed pickling tank is: using a conveyor belt to introduce the annealed nickel coil strip into the pickling tank. The agitator refers to a device for stirring the pickling solution. The preset pickling rate interval refers to a pre-set pickling rate interval. The pickled nickel coil strip refers to the dry nickel coil strip finally obtained when the pickling rate meets the preset pickling rate interval, which is the pickled nickel coil strip.

[0049] It is understandable that the unpickled nickel coil strip refers to the annealed nickel coil strip that has just been introduced into the pickling tank but has not yet been pickled. The initial pickled nickel coil refers to the nickel coil strip that has just completed the pickling treatment after the preset pickling time. The water washing operation refers to the operation of washing the initial pickled nickel coil with clean water to remove the residual pickling solution. The washed nickel coil strip refers to the nickel coil strip from which the residual pickling solution has been removed after the water washing operation. The step of drying the washed nickel coil strip is: drying the washed nickel coil strip using a drying device and a preset drying time. The dried nickel coil strip refers to the nickel coil strip from which the moisture is completely removed after the drying treatment. The step of obtaining the dried nickel coil mass of the dried nickel coil strip is the same as the step of obtaining the original mass of the annealed nickel coil strip, and will not be repeated here.

[0050] In detail, the method of obtaining the pickling rate according to the original thickness, the original mass, the mass of the dried nickel coil and the pickling time includes: calculating the pickling rate according to a pre-constructed pickling rate formula, the original thickness, the original mass, the mass of the dried nickel coil and the pickling time, wherein the pickling rate formula is as follows: ,in, Indicates the pickling rate, Indicates the quality of dry nickel coil, represents the original thickness, Indicates the original quality, Indicates the pickling time.

[0051] S6. Perform mechanical property testing on the cut pickled nickel coil to obtain initial mechanical property values.

[0052] In detail, the mechanical property test of the cut pickled nickel coil to obtain the initial mechanical property value includes: marking the cut pickled nickel coil to obtain the original gauge length, pre-stretching the cut pickled nickel coil using a pre-built tensile testing machine and a preset pre-stretching force to obtain a pre-stretching result, wherein the cut pickled nickel coil is located between an upper clamp and a lower clamp of the tensile testing machine, wherein the pre-stretching result includes: the cut pickled nickel coil moves or the cut pickled nickel coil does not move; if it is confirmed that the cut pickled nickel coil moves, adjusting the preset pre-stretching force until the cut pickled nickel coil does not move, obtaining a preload force, and incrementing the preload force using a preset incremental tensile force to obtain an incremental tensile force. Tensile force, using incremental tensile force and preset detection time to continuously stretch the cut pickled nickel coil until the cut pickled nickel coil breaks, and obtain the fracture gauge length, tensile force set and displacement set, wherein the tensile force in the tensile force set corresponds to the displacement in the displacement set one by one; based on the tensile force set and the displacement set, a tensile force-displacement curve is obtained, wherein the horizontal axis of the tensile force-displacement curve is the displacement and the vertical axis is the tensile force; the yield point and the maximum tensile force are obtained according to the tensile force-displacement curve, and the yield tensile force is obtained according to the yield point; the initial mechanical property value is calculated according to the pre-constructed comprehensive mechanical property formula, the original gauge length, the fracture gauge length, the yield tensile force, the yield point and the maximum tensile force.

[0053] It should be explained that the step of marking the cut pickled nickel coil to obtain the original gauge length is: using a marking tool to mark two fixed points on the cut pickled nickel coil to obtain the original gauge length. The original gauge length refers to the basic length used to calculate the strain in the tensile test. For example, the original gauge length is 50 mm, and the deformation within this length range will be measured during the stretching process.

[0054] It is understandable that a tensile testing machine refers to a device used to measure the mechanical properties of materials. Pre-stretching refers to the operation of applying a preset pre-stretching force to eliminate the initial relaxation of the specimen before the formal tensile test. The step of adjusting the preset pre-stretching force is: increasing the preset pre-stretching force. The preload force refers to the initial loading force before the formal tensile test, which is used to ensure that the cut pickled nickel coil is in a non-moving state. The preset incremental tensile force refers to a preset tensile force value that is increased each time. Incremental tensile force refers to gradually increasing the incremental tensile force on the basis of the preload force to obtain a new tensile force value.

[0055] Importantly, the breaking gauge length refers to the final length between two marking points when the pickled nickel coil is cut and broken. The tensile force set refers to the set of tensile force values ​​recorded during the stretching process. The displacement set refers to the set of displacement values ​​recorded during the stretching process. The yield point refers to the point where the slope of the tensile force-displacement curve suddenly decreases. The maximum tensile force refers to the tensile force at the highest point on the tensile force-displacement curve. The yield tensile force refers to the tensile force at the yield point.

[0056] In detail, the comprehensive mechanical properties formula includes: ,in, represents the initial mechanical property value, represents the yield tensile stress, Indicates the cross-sectional area of ​​the cut pickled nickel coil, Indicates the maximum tensile force, represents the fracture gauge length, Indicates the original gauge length.

[0057] S7. If it is confirmed that the initial mechanical property value is less than the preset mechanical property threshold, return to the step of extracting one annealing and pickling matching group from the annealing and pickling matching group set in turn, until the initial mechanical property value is greater than or equal to the preset mechanical property threshold, to obtain a comprehensive mechanical property value.

[0058] It should be explained that the preset mechanical property threshold refers to the maximum allowable value of one or more pre-set performance indicators.

[0059] S8. Summarize the comprehensive mechanical property values ​​to obtain a comprehensive mechanical property value set, and extract the optimal comprehensive mechanical property value from the comprehensive mechanical property value set.

[0060] It should be explained that the comprehensive mechanical property value refers to a comprehensive value obtained by comprehensively considering the yield strength, tensile strength and elongation. The comprehensive mechanical property value set refers to the set of all comprehensive mechanical property values. The step of extracting the optimal comprehensive mechanical property value from the comprehensive mechanical property value set is: from the comprehensive mechanical property value set, select the maximum comprehensive mechanical property value calculated for the first time, and confirm the maximum comprehensive mechanical property value as the optimal comprehensive mechanical property value.

[0061] Exemplarily, the comprehensive mechanical property value set is [410, 418.6, 415, 420, 412], and the optimal comprehensive mechanical property value extracted from the comprehensive mechanical property value set is 420.

[0062] S9. Complete the mechanical property evaluation of nickel coil based on annealing and pickling based on the optimal comprehensive mechanical property value.

[0063] It should be explained that the optimal comprehensive mechanical property value refers to the maximum comprehensive mechanical property value calculated for the first time in the comprehensive mechanical property value set, and the comprehensive mechanical property value is the initial mechanical property value greater than or equal to the mechanical property threshold.

[0064] The present invention solves the problem described in the background technology. The present invention obtains a nickel coil strip, obtains a nickel coil type according to the nickel coil strip, obtains an annealing temperature range and a pickling solution according to the nickel coil type, and obtains a pickling time range according to the nickel coil type and the pickling solution. The present invention clarifies the type of the nickel coil strip to ensure that subsequent annealing and pickling process parameters match the material properties, thereby improving the pertinence and effectiveness of the process. At the same time, through the preset annealing temperature range and pickling time range, a basis is provided for subsequent experimental design to ensure the systematicness and comprehensiveness of the experiment. The annealing temperature range and the pickling time range are divided into intervals using preset equidistant divisions to obtain an annealing temperature set and a pickling time set, wherein the annealing temperature set includes multiple annealing temperature values, wherein the pickling time set The present invention quantifies the specific values ​​of the annealing temperature and the pickling time by interval division to form multiple parameter combinations, thereby ensuring that the experiment covers all possible process parameters and improving the comprehensiveness and accuracy of the experiment. An annealing temperature value is extracted from the annealing temperature set in turn, and the following operations are performed on the extracted annealing temperature values: The present invention extracts annealing temperature values ​​one by one to ensure that each annealing temperature value can be combined with all pickling times to form a comprehensive experimental combination, thereby avoiding missing key parameter combinations. The annealing temperature value is matched with each pickling time in the pickling time set to obtain an annealing and pickling matching group, wherein the annealing and pickling matching group includes an annealing temperature value and a pickling time. The present invention matches the annealing temperature value with each pickling time in the pickling time set to obtain an annealing and pickling matching group. Annealing temperature and pickling time are combined to form a specific process parameter combination, which provides clear process guidance for subsequent experiments and ensures the standardization and repeatability of the experiments. The annealing and pickling matching groups are summarized to obtain the annealing and pickling matching group set. The present invention summarizes all possible process parameter combinations to form a complete matching group set, which is convenient for system management and data analysis of subsequent experiments and improves the organizational efficiency of the experiments. An annealing and pickling matching group is extracted from the annealing and pickling matching group set in turn, and the following operations are performed on the extracted annealing and pickling matching groups: The present invention extracts matching groups one by one to ensure that each process parameter combination can be experimented, avoids missing any combination that may affect the mechanical properties, and uses the annealing temperature value in the annealing and pickling matching group to perform annealing operations on the nickel coil strip. The present invention optimizes the mixed gas combination and the annealing temperature in the annealing process by a systematic method, ensures that the nickel coil strip obtains the best surface quality and mechanical properties in the annealing process, reduces energy consumption cost and environmental impact, improves production efficiency and product quality, performs pickling operation on the annealed nickel coil strip by using the pickling time in the annealing pickling matching group, obtains the pickled nickel coil strip, cuts the pickled nickel coil strip, obtains the cut pickled nickel coil, the present invention ensures that the pickling effect of the nickel coil strip is optimal by accurately controlling the parameters of the pickling process, and ensures the stability and efficiency of the process by monitoring the pickling rate, reduces material waste and environmental impact, performs mechanical property testing on the cut pickled nickel coil, obtains the initial mechanical property value,The present invention ensures that the mechanical property evaluation of the nickel coil strip has high accuracy and reliability through precise mechanical property testing and data analysis, thereby providing accurate data support for optimizing annealing and pickling process parameters. If it is confirmed that the initial mechanical property value is less than the preset mechanical property threshold, the step of sequentially extracting an annealing and pickling matching group from the annealing and pickling matching group is returned to until the initial mechanical property value is greater than or equal to the preset mechanical property threshold, and a comprehensive mechanical property value is obtained. The present invention ensures that a process parameter combination that meets the requirements is screened out by setting a preset mechanical property threshold, avoids invalid process parameter combinations, and improves the efficiency and accuracy of the experiment. The present invention summarizes all the comprehensive mechanical property values ​​that meet the conditions to form a comprehensive performance set, and extracts the optimal value from the comprehensive mechanical property value set, thereby ensuring that the best process parameter combination is found, improving the comprehensive performance of the material, and completing the mechanical property evaluation of nickel coils and strips based on annealing and pickling based on the optimal comprehensive mechanical property values. The present invention ensures that the optimal annealing and pickling process parameters are found through the final evaluation, significantly improving the mechanical properties of nickel coils and strips, meeting high-precision and high-requirement application scenarios, and providing a reliable theoretical basis and technical support for actual production and application. Therefore, the present invention can optimize the annealing and pickling process parameters, reduce production costs, and improve the mechanical properties of nickel coils and strips.

[0065] like Figure 2 , which is a functional module diagram of a nickel coil material mechanical property evaluation system based on annealing and pickling provided by an embodiment of the present invention.

[0066] The nickel coil strip mechanical property evaluation system 100 based on annealing and pickling of the present invention can be installed in an electronic device. According to the functions implemented, the nickel coil strip mechanical property evaluation system 100 based on annealing and pickling can include a nickel coil parameter acquisition module 101, a nickel coil parameter combination module 102, a nickel coil performance detection module 103 and a nickel coil performance optimization module 104. The module described in the present invention can also be referred to as a unit, which refers to a series of computer program segments that can be executed by an electronic device processor and can complete fixed functions, which are stored in the memory of the electronic device; the nickel coil parameter acquisition module 101 is used to obtain nickel coil strip, obtain the nickel coil type according to the nickel coil strip, obtain the annealing temperature range and pickling solution according to the nickel coil type, and obtain the pickling time range according to the nickel coil type and the pickling solution; the nickel coil parameter combination module 102 is used to divide the annealing temperature range and the pickling time into equal intervals using preset divisions. The time interval is divided into intervals to obtain an annealing temperature set and a pickling time set, wherein the annealing temperature set includes a plurality of annealing temperature values, wherein the pickling time set includes a plurality of pickling times, and one annealing temperature value is extracted from the annealing temperature set in turn, and the following operations are performed on the extracted annealing temperature values: the annealing temperature value is matched with each pickling time in the pickling time set to obtain an annealing pickling matching group, wherein the annealing pickling matching group includes an annealing temperature value and a pickling time, and the annealing pickling matching groups are summarized to obtain an annealing pickling matching group. The nickel coil performance detection module 103 is used to extract an annealing and pickling matching group from the annealing and pickling matching group set in turn, and perform the following operations on the extracted annealing and pickling matching groups: perform an annealing operation on the nickel coil strip using the annealing temperature value in the annealing and pickling matching group to obtain an annealed nickel coil strip, perform a pickling operation on the annealed nickel coil strip using the pickling time in the annealing and pickling matching group to obtain a pickled nickel coil strip, cut the pickled nickel coil strip to obtain a cut pickled nickel coil, perform a mechanical property test on the cut pickled nickel coil to obtain an initial Mechanical property value, if it is confirmed that the initial mechanical property value is less than the preset mechanical property threshold, then return to the step of extracting one annealing and pickling matching group from the annealing and pickling matching group set in turn, until the initial mechanical property value is greater than or equal to the preset mechanical property threshold, and obtain a comprehensive mechanical property value; the nickel coil performance optimization module 104 is used to summarize the comprehensive mechanical property values, obtain a comprehensive mechanical property value set, extract the optimal comprehensive mechanical property value from the comprehensive mechanical property value set, and complete the mechanical property evaluation of the nickel coil strip based on annealing and pickling based on the optimal comprehensive mechanical property value.

[0067] In detail, the modules in the nickel coil material mechanical property evaluation system 100 based on annealing and pickling in the embodiment of the present invention are used in the same manner as described above. Figure 1 The same technical means as the method for evaluating the mechanical properties of nickel coils based on annealing and pickling described in the text can produce the same technical effects, so they will not be repeated here.

[0068] like Figure 3 , which is a schematic diagram of the structure of an electronic device for implementing a method for evaluating the mechanical properties of a nickel coil based on annealing and pickling, provided in one embodiment of the present invention.

[0069] The electronic device 1 may include a processor 10, a memory 11 and a bus 12, and may also include a computer program stored in the memory 11 and executable on the processor 10, such as a method program for evaluating the mechanical properties of nickel coils based on annealing and pickling.

[0070] The memory 11 includes at least one type of readable storage medium, and the readable storage medium includes a flash memory, a mobile hard disk, a multimedia card, a card-type memory (e.g., SD or DX memory, etc.), a magnetic memory, a disk, an optical disk, etc. In some embodiments, the memory 11 may be an internal storage unit of the electronic device 1, such as a mobile hard disk of the electronic device 1. In other embodiments, the memory 11 may also be an external storage device of the electronic device 1, such as a plug-in mobile hard disk, a smart memory card (Smart Media Card, SMC), a secure digital (SecureDigital, SD) card, a flash card (Flash Card), etc. equipped on the electronic device 1. Further, the memory 11 also includes an internal storage unit of the electronic device 1 and an external storage device. The memory 11 can not only be used to store application software and various types of data installed in the electronic device 1, such as the code of the program of the mechanical properties evaluation method of nickel coil strip based on annealing and pickling, but can also be used to temporarily store data that has been output or is to be output.

[0071] In some embodiments, the processor 10 may be composed of an integrated circuit, for example, a single packaged integrated circuit, or a plurality of packaged integrated circuits with the same or different functions, including one or more central processing units (CPUs), microprocessors, digital processing chips, graphics processors, and combinations of various control chips, etc. The processor 10 is the control core (Control Unit) of the electronic device, and uses various interfaces and lines to connect various components of the entire electronic device, and executes or executes programs or modules stored in the memory 11 (such as a program for evaluating the mechanical properties of nickel coils based on annealing and pickling, etc.), and calls data stored in the memory 11 to execute various functions of the electronic device 1 and process data.

[0072] The bus 12 may be a peripheral component interconnect (PCI) bus or an extended industry standard architecture (EISA) bus, etc. The bus 12 may be divided into an address bus, a data bus, a control bus, etc. The bus 12 is configured to realize connection and communication between the memory 11 and at least one processor 10, etc.

[0073] Figure 3 Only an electronic device with components is shown, and those skilled in the art will understand that Figure 3 The structure shown does not constitute a limitation on the electronic device 1, and may include fewer or more components than shown in the figure, or combine certain components, or arrange the components differently.

[0074] For example, although not shown, the electronic device 1 may also include a power source (such as a battery) for supplying power to various components. Preferably, the power source may be logically connected to the at least one processor 10 through a power management device, so that the power management device can realize functions such as charging management, discharging management, and power consumption management. The power source may also include one or more DC or AC power sources, recharging devices, power failure detection circuits, power converters or inverters, power status indicators, and other arbitrary components. The electronic device 1 may also include a variety of sensors, Bluetooth modules, Wi-Fi modules, etc., which will not be repeated here.

[0075] Furthermore, the electronic device 1 may also include a network interface. Optionally, the network interface may include a wired interface and / or a wireless interface (such as a WI-FI interface, a Bluetooth interface, etc.), which is generally used to establish a communication connection between the electronic device 1 and other electronic devices.

[0076] Optionally, the electronic device 1 may further include a user interface, which may be a display, an input unit (such as a keyboard), or a standard wired interface or a wireless interface. Optionally, in some embodiments, the display may be an LED display, a liquid crystal display, a touch-sensitive liquid crystal display, and an OLED (Organic Light-Emitting Diode) touch device. The display may also be appropriately referred to as a display screen or a display unit, which is used to display information processed in the electronic device 1 and to display a visual user interface.

[0077] The program of the method for evaluating the mechanical properties of nickel coil strips based on annealing and pickling stored in the memory 11 in the electronic device 1 is a combination of multiple instructions. When running in the processor 10, the following can be achieved: obtaining nickel coil strips, obtaining nickel coil types according to the nickel coil strips, obtaining annealing temperature intervals and pickling solutions according to the nickel coil types, and obtaining pickling time intervals according to the nickel coil types and pickling solutions; using preset division equidistant intervals to divide the annealing temperature intervals and the pickling time intervals into intervals to obtain an annealing temperature set and a pickling time set, wherein the annealing temperature set includes multiple annealing temperature values, wherein the pickling time set includes multiple pickling times; extracting an annealing temperature value from the annealing temperature set in turn, and performing the following operations on the extracted annealing temperature values: matching the annealing temperature value with each pickling time in the pickling time set to obtain an annealing pickling matching group, wherein the annealing pickling matching group includes an annealing temperature value and a pickling time; summarizing the annealing pickling matching groups to obtain an annealing pickling matching group. group set; extracting an annealing and pickling matching group from the annealing and pickling matching group set in turn, and performing the following operations on the extracted annealing and pickling matching groups: performing an annealing operation on the nickel coil strip using the annealing temperature value in the annealing and pickling matching group to obtain an annealed nickel coil strip; performing a pickling operation on the annealing nickel coil strip using the pickling time in the annealing and pickling matching group to obtain a pickled nickel coil strip, cutting the pickled nickel coil strip to obtain a cut pickled nickel coil; performing a mechanical property test on the cut pickled nickel coil to obtain an initial mechanical property value; if it is confirmed that the initial mechanical property value is less than a preset mechanical property threshold, returning to the step of extracting an annealing and pickling matching group from the annealing and pickling matching group set in turn until the initial mechanical property value is greater than or equal to the preset mechanical property threshold to obtain a comprehensive mechanical property value; summarizing the comprehensive mechanical property values ​​to obtain a comprehensive mechanical property value set, and extracting the optimal comprehensive mechanical property value from the comprehensive mechanical property value set; completing the mechanical property evaluation of the nickel coil strip based on annealing and pickling based on the optimal comprehensive mechanical property value.

[0078] Specifically, the specific implementation method of the processor 10 for the above instructions can refer to Figures 1 to 3 The description of the relevant steps in the corresponding embodiments will not be repeated here.

[0079] Furthermore, if the module / unit integrated in the electronic device 1 is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer-readable storage medium. The computer-readable storage medium can be volatile or non-volatile. For example, the computer-readable medium can include: any entity or device capable of carrying the computer program code, a recording medium, a USB flash drive, a mobile hard disk, a magnetic disk, an optical disk, a computer memory, and a read-only memory (ROM).

[0080] The present invention also provides a computer-readable storage medium, wherein the computer-readable storage medium stores a computer program, and when the computer program is executed by a processor of an electronic device, the computer program can achieve: obtaining a nickel coil strip, obtaining a nickel coil type according to the nickel coil strip, obtaining an annealing temperature interval and a pickling solution according to the nickel coil type, and obtaining a pickling time interval according to the nickel coil type and the pickling solution; using a preset division equidistant to divide the annealing temperature interval and the pickling time interval into intervals, respectively, to obtain an annealing temperature set and a pickling time set, wherein the annealing temperature set includes a plurality of annealing temperature values, wherein the pickling time set includes a plurality of pickling times; extracting an annealing temperature value from the annealing temperature set in turn, and performing the following operations on each of the extracted annealing temperature values: using the annealing temperature value to match each pickling time in the pickling time set, to obtain an annealing pickling matching group, wherein the annealing pickling matching group includes an annealing temperature value and a pickling time; summarizing the annealing pickling matching groups to obtain an annealing pickling matching group set ; Extract one annealing and pickling matching group from the annealing and pickling matching group set in turn, and perform the following operations on the extracted annealing and pickling matching groups: perform an annealing operation on the nickel coil strip using the annealing temperature value in the annealing and pickling matching group to obtain an annealed nickel coil strip; perform a pickling operation on the annealing nickel coil strip using the pickling time in the annealing and pickling matching group to obtain a pickled nickel coil strip, cut the pickled nickel coil strip to obtain a cut pickled nickel coil; perform a mechanical property test on the cut pickled nickel coil to obtain an initial mechanical property value; if it is confirmed that the initial mechanical property value is less than a preset mechanical property threshold, return to the step of extracting one annealing and pickling matching group from the annealing and pickling matching group set in turn until the initial mechanical property value is greater than or equal to the preset mechanical property threshold to obtain a comprehensive mechanical property value; summarize the comprehensive mechanical property values ​​to obtain a comprehensive mechanical property value set, and extract the optimal comprehensive mechanical property value from the comprehensive mechanical property value set; based on the optimal comprehensive mechanical property value, complete the mechanical property evaluation of the nickel coil strip based on annealing and pickling.

[0081] In the several embodiments provided by the present invention, it should be understood that the disclosed devices, systems and methods can be implemented in other ways. For example, the system embodiments described above are only illustrative, and actual implementation may have other division methods.

[0082] The modules described as separate components may or may not be physically separated, and the components shown as modules may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0083] In addition, each functional module in each embodiment of the present invention may be integrated into one processing unit, each unit may exist physically separately, or two or more units may be integrated into one unit. The above-mentioned integrated unit may be implemented in the form of hardware or in the form of hardware plus software functional modules.

[0084] It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention.

[0085] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the present invention.

Claims

1. A method for evaluating the mechanical properties of nickel coils based on annealing and pickling, characterized in that: The method comprises: obtaining a nickel coil strip, obtaining a nickel coil type according to the nickel coil strip, obtaining an annealing temperature interval and a pickling solution according to the nickel coil type, and obtaining a pickling time interval according to the nickel coil type and the pickling solution; using a preset division equidistant to divide the annealing temperature interval and the pickling time interval into intervals, to obtain an annealing temperature set and a pickling time set, wherein the annealing temperature set includes a plurality of annealing temperature values, wherein the pickling time set includes a plurality of pickling times; extracting an annealing temperature value from the annealing temperature set in turn, and performing the following operations on the extracted annealing temperature values: matching the annealing temperature value with each pickling time in the pickling time set to obtain an annealing pickling matching group, wherein the annealing pickling matching group includes an annealing temperature value and a pickling time; summarizing the annealing pickling matching groups to obtain an annealing pickling matching group set; extracting an annealing pickling matching group from the annealing pickling matching group set in turn, and performing the following operations on the extracted annealing temperature values: matching the annealing temperature value with each pickling time in the pickling time set to obtain an annealing pickling matching group, wherein the annealing pickling matching group includes an annealing temperature value and a pickling time; summarizing the annealing pickling matching groups to obtain an annealing pickling matching group set; The extracted annealing and pickling matching groups all perform the following operations: perform an annealing operation on the nickel coil strip using the annealing temperature value in the annealing and pickling matching group to obtain an annealed nickel coil strip; perform a pickling operation on the annealed nickel coil strip using the pickling time in the annealing and pickling matching group to obtain a pickled nickel coil strip, cut the pickled nickel coil strip to obtain a cut pickled nickel coil; perform a mechanical property test on the cut pickled nickel coil to obtain an initial mechanical property value; if it is confirmed that the initial mechanical property value is less than a preset mechanical property threshold, return to the step of extracting one annealing and pickling matching group from the annealing and pickling matching group set in turn until the initial mechanical property value is greater than or equal to the preset mechanical property threshold to obtain a comprehensive mechanical property value; summarize the comprehensive mechanical property values ​​to obtain a comprehensive mechanical property value set, and extract the optimal comprehensive mechanical property value from the comprehensive mechanical property value set; and complete the mechanical property evaluation of the nickel coil strip based on annealing and pickling based on the optimal comprehensive mechanical property value.

2. The method for evaluating the mechanical properties of nickel coils based on annealing and pickling according to claim 1, characterized in that: The method of dividing the annealing temperature interval and the pickling time interval into intervals by using a preset partitioning equidistance to obtain an annealing temperature set and a pickling time set comprises: dividing the annealing temperature interval and the pickling time interval into intervals by using a pre-constructed partitioning formula and a preset partitioning equidistance to obtain an annealing temperature set and a pickling time set; wherein the partitioning formula is as follows: ,in, Indicates annealing temperature or pickling time, Indicates the lower limit of the annealing temperature range or pickling time range, Indicates the upper limit of the annealing temperature range or pickling time range. represents the index of the partition point, Indicates the number of sub-intervals divided.

3. The method for evaluating the mechanical properties of nickel coils based on annealing and pickling according to claim 2, characterized in that: The method of performing an annealing operation on a nickel coil strip using an annealing temperature value in an annealing and pickling matching group to obtain an annealed nickel coil strip comprises: obtaining an annealing furnace, and introducing the nickel coil strip into the annealing furnace to obtain a nickel coil strip to be heated; obtaining an optimal mixed gas combination, setting a temperature according to the annealing temperature value in the annealing and pickling matching group and a pre-constructed thermocouple, and obtaining a heating temperature, wherein the thermocouple is located in the annealing furnace; obtaining a heating environment according to the heating temperature, the optimal mixed gas combination, and the annealing furnace; heating the nickel coil strip to be heated using the heating environment and a preset heating time to obtain a heated nickel coil strip; and performing a cooling operation on the heated nickel coil strip using a preset cooling time to obtain an annealed nickel coil strip.

4. The method for evaluating the mechanical properties of nickel coils based on annealing and pickling according to claim 3, characterized in that: The method for obtaining the best mixed gas combination includes: obtaining multiple historical gas detection time periods and spare nickel coil strips; extracting one historical gas detection time period from the multiple historical gas detection time periods in turn, and performing the following operations on the extracted historical detection time periods: obtaining the current gas volume, performing a gas filling operation on the current gas volume using a preset mixed gas volume, and obtaining a cumulative gas volume, wherein the preset mixed gas volume includes an argon volume and a hydrogen volume; burning the spare nickel coil strip using the cumulative gas volume and an annealing furnace to obtain a burned nickel coil strip and a combustion gas concentration; obtaining the surface oxide layer thickness and surface roughness of the burned nickel coil strip, and obtaining a surface quality score based on the surface oxide layer thickness and surface roughness; obtaining the argon unit price, hydrogen unit price and energy consumption cost based on the preset mixed gas volume, and obtaining the gas cost based on the argon unit price, hydrogen unit price and energy consumption cost. Score; obtain combustion gas toxicity according to combustion gas concentration, obtain greenhouse effect according to combustion gas toxicity, obtain environmental impact score according to combustion gas toxicity, greenhouse effect and combustion gas concentration; obtain comprehensive evaluation score according to environmental impact score, surface quality score and gas cost score; if it is confirmed that the comprehensive evaluation score is less than the preset comprehensive evaluation threshold, the historical gas detection period is eliminated, the retained historical gas detection period is summarized to obtain multiple updated historical gas detection period, the multiple updated historical gas detection period is used as the multiple historical gas detection period, the accumulated gas volume is used as the current gas volume, and the step of extracting one historical gas detection period from the multiple historical gas detection period is returned to in turn, until the comprehensive evaluation score is greater than or equal to the preset comprehensive evaluation threshold, and the mixed gas volume corresponding to the historical gas detection period is confirmed as the optimal mixed gas combination.

5. The method for evaluating the mechanical properties of nickel coils based on annealing and pickling according to claim 4, characterized in that: The obtaining of the comprehensive evaluation score according to the environmental impact score, the surface quality score and the gas cost score includes: calculating the comprehensive evaluation score according to a pre-built comprehensive scoring formula, the combustion gas concentration, the surface quality score and the gas cost score, wherein the comprehensive scoring formula is as follows: , , , ,in, Indicates the surface quality score, Represents the weight coefficient of the surface oxide layer thickness, Indicates the thickness of the surface oxide layer, represents the weight coefficient of surface roughness, Indicates the surface roughness, The weight coefficient representing the hardness of the material, Indicates the material hardness of the burned nickel coil strip. represents the gas cost score, Indicates the unit price of argon gas, represents the unit price of hydrogen, represents the energy cost, represents the maintenance cost, represents the environmental impact score, represents the weight coefficient of the combustion gas concentration, Indicates the combustion gas concentration, The weight coefficient representing the toxicity of the gas, Indicates gas toxicity. represents the weight coefficient of the greenhouse effect, represents the greenhouse effect, Represents the comprehensive evaluation score.

6. The method for evaluating the mechanical properties of nickel coils based on annealing and pickling according to claim 5, characterized in that: The method comprises: performing a pickling operation on the annealed nickel coil strip using the pickling time in the annealing pickling matching group to obtain a pickled nickel coil strip, comprising: obtaining the original thickness and original mass of the annealed nickel coil strip, introducing the annealed nickel coil strip into a pre-constructed pickling tank to obtain an unpickled nickel coil strip; pickling the unpickled nickel coil strip using the pickling solution and the pickling time, and stirring the pickling solution using a pre-constructed stirrer and a preset speed to obtain an initial pickled nickel coil; performing a water washing operation on the initial pickled nickel coil using a preset water washing time; A water washing operation is performed to obtain a water-washed nickel coil strip, and the water-washed nickel coil strip is dried to obtain a dried nickel coil strip; the dried nickel coil mass of the dried nickel coil strip is obtained, and the pickling rate is obtained according to the original thickness, the original mass, the dried nickel coil mass and the pickling time; if it is confirmed that the pickling rate is not within the preset pickling rate range, the dried nickel coil strip is used as the annealed nickel coil strip, and the process returns to the step of obtaining the original thickness and the original mass of the annealed nickel coil strip until the pickling rate is within the preset pickling rate range to obtain the pickled nickel coil strip.

7. The method for evaluating the mechanical properties of nickel coils based on annealing and pickling according to claim 6, characterized in that: The step of obtaining the pickling rate according to the original thickness, the original mass, the mass of the dried nickel coil and the pickling time includes: calculating the pickling rate according to a pre-constructed pickling rate formula, the original thickness, the original mass, the mass of the dried nickel coil and the pickling time, wherein the pickling rate formula is as follows: ,in, Indicates the pickling rate, Indicates the quality of dry nickel coil, represents the original thickness, Indicates the original quality, Indicates the pickling time.

8. The method for evaluating the mechanical properties of nickel coils based on annealing and pickling according to claim 7, characterized in that: The mechanical property test of the cut pickled nickel coil is performed to obtain the initial mechanical property value, including: marking the cut pickled nickel coil to obtain the original gauge length, pre-stretching the cut pickled nickel coil by using a pre-built tensile testing machine and a preset pre-stretching force to obtain a pre-stretching result, wherein the cut pickled nickel coil is located between an upper clamp and a lower clamp of the tensile testing machine, wherein the pre-stretching result includes: the cut pickled nickel coil moves or the cut pickled nickel coil does not move; if it is confirmed that the cut pickled nickel coil moves, the preset pre-stretching force is adjusted until the cut pickled nickel coil does not move, to obtain a preload force, and the preload force is incremented by a preset incremental tensile force to obtain an incremental tensile force , the cut pickled nickel coil is continuously stretched using incremental tensile force and preset detection time until the cut pickled nickel coil breaks, and the fracture gauge length, tensile force set and displacement set are obtained, wherein the tensile force in the tensile force set corresponds to the displacement in the displacement set one by one; a tensile force-displacement curve is obtained based on the tensile force set and the displacement set, wherein the horizontal axis of the tensile force-displacement curve is the displacement and the vertical axis is the tensile force; the yield point and the maximum tensile force are obtained according to the tensile force-displacement curve, and the yield tensile force is obtained according to the yield point; the initial mechanical property value is calculated according to the pre-constructed comprehensive mechanical property formula, the original gauge length, the fracture gauge length, the yield tensile force, the yield point and the maximum tensile force.

9. The method for evaluating the mechanical properties of nickel coils based on annealing and pickling according to claim 8, characterized in that: The comprehensive mechanical properties formula includes: ,in, represents the initial mechanical property value, represents the yield tensile stress, Indicates the cross-sectional area of ​​the cut pickled nickel coil. Indicates the maximum tensile force, represents the fracture gauge length, Indicates the original gauge length.

10. A nickel coil strip mechanical properties evaluation system based on annealing and pickling, characterized in that: The system includes: a nickel coil parameter acquisition module, which is used to acquire nickel coil strips, acquire nickel coil types according to the nickel coil strips, acquire annealing temperature intervals and pickling solutions according to the nickel coil types, and acquire pickling time intervals according to the nickel coil types and pickling solutions; a nickel coil parameter combination module, which is used to divide the annealing temperature interval and the pickling time interval into intervals using preset division equidistant intervals to obtain an annealing temperature set and a pickling time set, wherein the annealing temperature set includes multiple annealing temperature values, wherein the pickling time set includes multiple pickling times, and sequentially extract an annealing temperature value from the annealing temperature set, and perform the following operations on the extracted annealing temperature values: match the annealing temperature value with each pickling time in the pickling time set to obtain an annealing pickling matching group, wherein the annealing pickling matching group includes an annealing temperature value and a pickling time, and summarize the annealing pickling matching groups to obtain an annealing pickling matching group set; a nickel coil performance detection module, which is used to sequentially extract one from the annealing pickling matching group set Annealing and pickling matching group, and perform the following operations on the extracted annealing and pickling matching group: perform annealing operation on the nickel coil strip using the annealing temperature value in the annealing and pickling matching group to obtain annealed nickel coil strip, perform pickling operation on the annealing nickel coil strip using the pickling time in the annealing and pickling matching group to obtain pickled nickel coil strip, cut the pickled nickel coil strip to obtain a cut pickled nickel coil, perform mechanical property testing on the cut pickled nickel coil to obtain an initial mechanical property value, if it is confirmed that the initial mechanical property value is less than the preset mechanical property threshold, then return to the step of extracting one annealing and pickling matching group from the annealing and pickling matching group set in turn, until the initial mechanical property value is greater than or equal to the preset mechanical property threshold, and obtain a comprehensive mechanical property value; a nickel coil performance optimization module is used to summarize the comprehensive mechanical property values ​​to obtain a comprehensive mechanical property value set, extract the optimal comprehensive mechanical property value from the comprehensive mechanical property value set, and complete the mechanical property evaluation of the nickel coil strip based on annealing and pickling based on the optimal comprehensive mechanical property value.

Images