A continuous homogenizing furnace control system, control method, device and medium

Abstract

The application relates to the technical field of homogenizing furnaces, and provides a continuous homogenizing furnace control system, a control method, equipment and a medium, the method comprising the following steps: obtaining multi-stage homogenizing annealing parameters of a workpiece to be homogenously annealed; according to the multi-stage homogenizing annealing parameters and a temperature drift compensation model, compensating and correcting the preset annealing temperature of each selected annealing area to obtain the optimal annealing temperature of each selected annealing area; according to the multi-stage homogenizing annealing parameters and an annealing time compensation model, compensating and correcting the preset annealing time of each selected annealing area to obtain the optimal annealing time of each selected annealing area; and according to the optimal annealing temperature and the optimal annealing time, performing homogenizing annealing treatment on the workpiece to be homogenously annealed. The application can compensate and correct the annealing temperature and the annealing time, so that more accurate annealing temperature and annealing time are obtained, and the annealing quality of the workpiece to be homogenously annealed is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of homogenizing furnace, in particular to a continuous homogenizing furnace control system, a control method, equipment and a medium. BACKGROUND

[0002] Homogenization treatment, also known as homogenization annealing, refers to the process of heating alloy ingots to near solidus temperature and maintaining for a long time, and then slowly cooling to room temperature, which aims to eliminate or reduce the inhomogeneity of chemical composition and organization in the crystal by diffusion of alloy element atoms, improve the internal organization of the ingot, eliminate the residual stress of the ingot, improve the machining performance of the ingot, and at the same time improve the plasticity and reduce the deformation resistance, so as to improve the hot working process performance of the alloy.

[0003] The continuous homogenizing furnace divides the furnace body into multiple areas according to the diameter of the aluminum rod, sets hot air circulating fans at the top of each area, and makes the furnace gas convect and stir, so as to meet the short-time heating of the aluminum rod and the accurate control of the temperature of the aluminum rod. The working principle is to calculate the heating time according to the size of the aluminum rod and the heating efficiency in the furnace, and to control the moving speed of the aluminum rod in the furnace according to the length of the area in the furnace, so as to ensure the heating and holding time of the aluminum rod.

[0004] The Chinese invention patent with application number CN202211620401.8 discloses a continuous homogenizing furnace and a homogenizing system, which divides the homogenizing furnace into multiple areas, sets hot air circulating fans at the top of each area, and makes the furnace gas convect and stir, so as to meet the short-time heating of the aluminum rod and the accurate control of the temperature of the aluminum rod. The working principle is to calculate the heating time according to the size of the aluminum rod and the heating efficiency in the furnace, and to control the moving speed of the aluminum rod in the furnace according to the length of the area in the furnace, so as to ensure the heating and holding time of the aluminum rod. During the annealing process of the aluminum rod, the temperature sensor needs to collect the annealing temperature in real time, and the output signal of the temperature sensor will drift with the change of temperature. The existence of temperature drift will affect the accuracy of annealing temperature collection, and then affect the specific annealing time, and finally affect the annealing quality of the aluminum rod. The above-mentioned continuous homogenizing furnace and homogenizing system do not consider the temperature drift factor, and do not compensate and correct the annealing temperature and annealing time, so the annealing quality needs to be improved. SUMMARY

[0005] Therefore, in order to solve the problem that the existing continuous homogenizing furnace and homogenizing system do not consider the temperature drift factor, do not compensate and correct the annealing temperature and annealing time, and the annealing quality needs to be improved, the present application provides a continuous homogenizing furnace control system, a control method, equipment and a medium, and the specific technical solutions are as follows:

[0006] A continuous homogenizing furnace control system, comprising a furnace body, a hot air circulation mechanism and a heating mechanism, a chamber of the furnace body is divided into a plurality of annealing areas along a length direction of the furnace body, each of the annealing areas is provided with the hot air circulation mechanism and the heating mechanism, the heating mechanism is used for heating and warming treatment of a workpiece to be uniformly annealed in the annealing area, and the hot air circulation mechanism is used for circulation treatment of hot air in the annealing area; the continuous homogenizing furnace control system further comprises:

[0007] a parameter acquisition module configured to acquire multi-stage uniform annealing parameters of the workpiece to be uniformly annealed according to the parameters of the workpiece to be uniformly annealed;

[0008] a first construction module configured to construct a temperature drift compensation model, and to acquire optimal annealing temperatures of each selected annealing area by performing temperature drift compensation correction on preset annealing temperatures of each selected annealing area according to the multi-stage uniform annealing parameters and the temperature drift compensation model;

[0009] a second construction module configured to construct an annealing time compensation model, and to acquire optimal annealing times of each selected annealing area by performing annealing time compensation correction on preset annealing times of each selected annealing area according to the multi-stage uniform annealing parameters and the annealing time compensation model;

[0010] a control module configured to control the hot air circulation mechanism and the heating mechanism to act according to the optimal annealing temperatures and the optimal annealing times, and to perform homogenization annealing treatment on the workpiece to be uniformly annealed.

[0011] The continuous homogenizing furnace control system acquires optimal annealing temperatures of each selected annealing area by performing temperature drift compensation correction on preset annealing temperatures of each selected annealing area through constructing a temperature drift compensation model, and acquires optimal annealing times of each selected annealing area by performing annealing time compensation correction on preset annealing times of each selected annealing area through constructing an annealing time compensation model, and can control the hot air circulation mechanism and the heating mechanism to act according to the optimal annealing temperatures and the optimal annealing times, and perform homogenization annealing treatment on the workpiece to be uniformly annealed, which takes temperature drift factors into consideration in the annealing process of the workpiece to be uniformly annealed, can compensate and correct annealing temperatures and annealing times to obtain more accurate annealing temperatures and annealing times, and improves the annealing quality of the workpiece to be uniformly annealed.

[0012] Preferably, the parameter acquisition module comprises:

[0013] a first parameter acquisition unit configured to acquire a number of uniform annealing stages of the workpiece to be uniformly annealed according to a type of the workpiece to be uniformly annealed, and to select annealing areas according to the number of uniform annealing stages.

[0014] a second parameter acquisition unit, configured to acquire an annealing temperature interval and an annealing time interval of each of the uniform annealing stages of the workpiece to be uniformly annealed according to a type and a size of the workpiece to be uniformly annealed;

[0015] a third parameter acquisition unit, configured to acquire multi-stage uniform annealing parameters of the workpiece to be uniformly annealed according to the annealing region, the annealing temperature interval and the annealing time interval.

[0016] Preferably, the first construction module comprises:

[0017] a multi-dimension parameter acquisition unit, configured to acquire multi-dimension parameters of a temperature acquisition unit for acquiring a real-time temperature of the workpiece to be uniformly annealed in each of the annealing regions;

[0018] a parameter characteristic value extraction unit, configured to extract parameter characteristic values in the multi-dimension parameters that may affect acquisition accuracy of the real-time temperature;

[0019] a first construction unit, configured to construct the temperature drift compensation model according to the parameter characteristic values.

[0020] Preferably, the annealing time compensation model is expressed as

[0021] wherein, TC represents an annealing time compensation correction value, T1 represents an upper limit of the annealing time interval, T0 represents a lower limit of the annealing time interval, T1' represents an upper limit of the annealing temperature interval, T0' represents a lower limit of the annealing temperature interval, n represents a preset temperature drift sampling point number of the annealing temperature interval, a represents an annealing time adjustment coefficient, and ΔT i represents a temperature drift value corresponding to the i th temperature drift sampling point.

[0022] A continuous homogenizing furnace control method applied to the continuous homogenizing furnace control system, comprising the following steps:

[0023] acquiring workpiece parameters of the workpiece to be uniformly annealed, and acquiring multi-stage uniform annealing parameters of the workpiece to be uniformly annealed according to the workpiece parameters of the workpiece to be uniformly annealed;

[0024] constructing a temperature drift compensation model, and performing temperature drift compensation correction on a preset annealing temperature of each selected annealing region according to the multi-stage uniform annealing parameters and the temperature drift compensation model, to acquire an optimal annealing temperature of each selected annealing region;

[0025] constructing an annealing time compensation model, and performing annealing time compensation correction on the preset annealing time of each selected annealing region according to the multi-stage uniform annealing parameters and the annealing time compensation model, to obtain the optimal annealing time of each selected annealing region;

[0026] performing homogenization annealing treatment on the workpiece to be uniformly annealed according to the optimal annealing temperature and the optimal annealing time.

[0027] Preferably, the specific method for obtaining the multi-stage uniform annealing parameters of the workpiece to be uniformly annealed according to the workpiece parameters comprises the following steps:

[0028] According to the type of the workpiece to be uniformly annealed, the number of uniform annealing stages of the workpiece to be uniformly annealed is obtained, and an annealing region is selected according to the number of uniform annealing stages.

[0029] According to the type and size of the workpiece to be uniformly annealed, the annealing temperature interval and the annealing time interval of each uniform annealing stage of the workpiece to be uniformly annealed are obtained.

[0030] According to the annealing region, the annealing temperature interval and the annealing time interval, the multi-stage uniform annealing parameters of the workpiece to be uniformly annealed are obtained.

[0031] Preferably, the specific method for constructing the temperature drift compensation model comprises the following steps:

[0032] Obtaining multi-dimensional parameters of a temperature acquisition unit for acquiring real-time temperature of the workpiece to be uniformly annealed in each annealing region;

[0033] Extracting parameter characteristic values in the multi-dimensional parameters that may affect the acquisition accuracy of the real-time temperature;

[0034] According to the parameter characteristic values and the temperature drift values of different temperature points corresponding to the parameter characteristic values, the temperature drift compensation model is constructed.

[0035] Preferably, according to the formula The annealing time compensation model is constructed.

[0036] Wherein, TC represents the annealing time compensation correction value, T1 represents the upper limit of the annealing time interval, T0 represents the lower limit of the annealing time interval, T1' represents the upper limit of the annealing temperature interval, T0' represents the lower limit of the annealing temperature interval, n represents the preset number of temperature drift sampling points in the preset annealing temperature interval, a represents the annealing time adjustment coefficient, and ΔT i represents the temperature drift value corresponding to the i th temperature drift sampling point.

[0037] A continuous homogenization furnace control device comprises:

[0038] controller;

[0039] a memory storing executable instructions;

[0040] The executable instructions can be run on the controller and implement the continuous homogenizing furnace control method.

[0041] A computer readable storage medium storing a computer program, when the computer program is executed by a processor, implements the continuous homogenizing furnace control method. BRIEF DESCRIPTION OF DRAWINGS

[0042] The present application can be further understood from the following description in conjunction with the drawings. The components in the drawings are not necessarily drawn to scale, emphasis instead being placed upon illustrating the principles of the embodiments. In different views, the same reference numerals designate corresponding parts.

[0043] Figure 1 is a schematic diagram of the overall flow of a continuous homogenizing furnace control method in an embodiment of the present application;

[0044] Figure 2 is a schematic diagram of the flow of a specific method for obtaining multi-stage uniform annealing parameters in an embodiment of the present application;

[0045] Figure 3 is a schematic diagram of the flow of a specific method for constructing a temperature drift compensation model in an embodiment of the present application. DETAILED DESCRIPTION

[0046] In order to make the objectives, technical solutions and advantages of the present application clearer, the present application will be further described in detail below in conjunction with embodiments thereof. It should be understood that the specific embodiments described herein are only used to explain the present application and do not limit the protection scope of the present application.

[0047] It should be noted that when an element is referred to as being "fixed" to another element, it can be directly on the other element or there can be an intervening element. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or there can be an intervening element. The terms "vertical", "horizontal", "left", "right", and similar expressions used herein are only for the purpose of illustration and are not intended to be the only implementation.

[0048] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0049] In this invention, "first" and "second" do not represent a specific quantity or order, but are merely used to distinguish names.

[0050] like Figure 1 As shown, a continuous homogenizing furnace control system according to an embodiment of the present invention includes a furnace body, a hot air circulation mechanism, and a heating mechanism. The chamber of the furnace body is divided into multiple annealing zones along the length of the furnace body. Each annealing zone is equipped with the hot air circulation mechanism and the heating mechanism. The heating mechanism is used to heat the workpiece to be uniformly annealed in the annealing zone, and the hot air circulation mechanism is used to circulate the hot air in the annealing zone.

[0051] The specific structures of the hot air circulation mechanism and the heating mechanism are conventional techniques in this field and will not be described in detail here.

[0052] The continuous homogenizing furnace control system also includes a parameter acquisition module, a first construction module, a second construction module, and a control module.

[0053] The parameter acquisition module is used to obtain the multi-stage uniform annealing parameters of the workpiece to be uniformly annealed based on the parameters of the workpiece to be uniformly annealed. The parameters of the workpiece to be uniformly annealed include, but are not limited to, the type and size of the workpiece.

[0054] For workpieces of different types and sizes to be uniformly annealed, the uniform annealing parameters at different stages also vary. For example, for 7000 series aluminum alloy ingots, depending on the specific process, the first stage uniform annealing temperature can be selected between 390℃ and 430℃, with a corresponding annealing time range of 12h-16h; the second stage uniform annealing temperature can be selected between 460℃ and 470℃, with a corresponding annealing time range of 12h-16h; and the third stage uniform annealing temperature can be selected between 465℃ and 475℃, with a corresponding annealing time range of 48h-60h. Similarly, for 7022 aluminum alloy ingots, the first stage homogenization annealing temperature can be selected between 445℃ and 475℃, with a corresponding annealing time range of 12h-24h; the second stage homogenization annealing temperature can be selected between 180℃ and 220℃, with a corresponding annealing time range of 12h-24h; and the third stage homogenization annealing temperature can be selected between 120℃ and 150℃, with an annealing time range of 24h.

[0055] In addition, even for the same type of workpiece to be homogeneously annealed, the annealing temperature and the annealing time can be adjusted according to the actual experience and the specific size, such as the diameter of the aluminum bar.

[0056] Preferably, the parameter acquisition module comprises a first parameter acquisition unit, a second parameter acquisition unit and a third parameter acquisition unit.

[0057] The first parameter acquisition unit is configured to acquire the number of homogenizing annealing stages of the workpiece to be homogeneously annealed according to the type of the workpiece to be homogeneously annealed, and select an annealing region according to the number of homogenizing annealing stages; the second parameter acquisition unit is configured to acquire the annealing temperature interval and the annealing time interval of each homogenizing annealing stage of the workpiece to be homogeneously annealed according to the type and size of the workpiece to be homogeneously annealed; and the third parameter acquisition unit is configured to acquire the multi-stage homogenizing annealing parameters of the workpiece to be homogeneously annealed according to the annealing region, the annealing temperature interval and the annealing time interval.

[0058] The first construction module is configured to construct a temperature drift compensation model, and compensate and correct the preset annealing temperature of each selected annealing region according to the multi-stage homogenizing annealing parameters and the temperature drift compensation model, to obtain the optimal annealing temperature of each selected annealing region.

[0059] The chamber of the furnace body is divided into a plurality of annealing regions along the length direction of the furnace body, and the annealing region corresponding to the specific number of homogenizing annealing stages is selected according to the specific number of homogenizing annealing stages. For the preset annealing temperature of the different selected annealing regions, the corresponding temperature drift value is obtained according to the temperature drift compensation model, the preset annealing temperature of each selected annealing region is compensated and corrected according to the temperature drift value, and then the annealing temperature after the compensation and correction is taken as the optimal annealing temperature.

[0060] Here, the preset annealing temperature of each selected annealing region can be set by the technician according to the corresponding homogenizing annealing parameters, or the interval median value of the annealing temperature range of the corresponding homogenizing annealing parameters can be taken as the preset annealing temperature.

[0061] The second construction module is configured to construct an annealing time compensation model, and compensate and correct the preset annealing time of each selected annealing region according to the multi-stage homogenizing annealing parameters and the annealing time compensation model, to obtain the optimal annealing time of each selected annealing region.

[0062] Here, the preset annealing time of each selected annealing area can be set by the technician according to the corresponding uniform annealing parameter, or the interval median of the annealing time range of the corresponding uniform annealing parameter can be taken as the preset annealing time.

[0063] The annealing time compensation model can be represented as compensating and correcting the annealing time according to the temperature drift value of different temperature points in the annealing interval, or compensating and correcting according to the proportional value AT1 / AT0 between the optimal annealing temperature AT1 and the preset annealing temperature AT0. Specifically, a preset time compensation correction value TC is set, and the corresponding compensation correction is obtained according to the formula TC / (AT1 / AT0). Of course, the annealing time compensation model can be adjusted accordingly according to different actual situations.

[0064] The control module is configured to control the hot air circulation mechanism and the heating mechanism to act according to the optimal annealing temperature and the optimal annealing time, and to perform homogenization annealing treatment on the workpiece to be uniformly annealed.

[0065] The continuous homogenizing furnace control system compensates and corrects the preset annealing temperature of each selected annealing area by constructing a temperature drift compensation model, obtains the optimal annealing temperature of each selected annealing area, and compensates and corrects the preset annealing time of each selected annealing area by constructing an annealing time compensation model, obtains the optimal annealing time of each selected annealing area. According to the optimal annealing temperature and the optimal annealing time, the hot air circulation mechanism and the heating mechanism can be controlled to act on the workpiece to be uniformly annealed, which takes the temperature drift factor into account during the annealing process of the workpiece to be uniformly annealed. The annealing temperature and the annealing time can be compensated and corrected to obtain more accurate annealing temperature and annealing time, thereby improving the annealing quality of the workpiece to be uniformly annealed.

[0066] As a preferred technical solution, the first construction module includes a multi-dimensional parameter acquisition unit, a parameter characteristic value extraction unit, and a first construction unit.

[0067] The multi-dimensional parameter acquisition unit is configured to acquire multi-dimensional parameters of a temperature acquisition unit for acquiring the real-time temperature of the workpiece to be uniformly annealed in each annealing area.

[0068] Each annealing area is provided with at least one temperature acquisition unit for acquisition. The multi-dimensional parameters include, but are not limited to, temperature acquisition accuracy, usage time, power voltage, and electromagnetic interference signals.

[0069] The parameter characteristic value extraction unit is configured to extract parameter characteristic values in the multi-dimensional parameters that may affect the acquisition accuracy of the real-time temperature.

[0070] Here, the parameter characteristic value in the multi-dimensional parameter that can affect the collection accuracy of the real-time temperature can be selected by the technician.

[0071] The first construction unit is used for constructing the temperature drift compensation model according to the parameter characteristic value.

[0072] The specific method for constructing the temperature drift compensation model according to the parameter characteristic value includes: first, obtaining the temperature drift value of the temperature collection unit at different temperature points, then obtaining the temperature drift curve function of the temperature collection unit according to the temperature drift value, and finally constructing the temperature drift compensation model according to the temperature drift curve function and the parameter characteristic value. Specifically, the temperature drift compensation model is expressed as Wherein, f(T) represents the temperature drift curve function, T represents the temperature value, m represents the number of the parameter characteristic values in the multi-dimensional parameter that can affect the collection accuracy of the real-time temperature, C i represents the i-th parameter characteristic value, which can be obtained by obtaining the predicted value in the preset time period through the simulation method; C' represents the preset parameter characteristic value standard value, which can be set by the technician; δ i represents the adjustment coefficient of the i-th parameter characteristic value, which can be set by the technician, and ΔT represents the temperature drift value.

[0073] In actual application, there are many factors that cause the temperature drift of the temperature sensor, including environmental temperature change, component aging, environmental electromagnetic interference, power supply voltage, etc. The existence of temperature drift will affect the error between the temperature value collected by the temperature sensor and the actual temperature value. The present application obtains the multi-dimensional parameter of the temperature collection unit for collecting the real-time temperature of the workpiece to be uniformly annealed in each annealing area, extracts the parameter characteristic value in the multi-dimensional parameter that can affect the collection accuracy of the real-time temperature, and constructs the temperature drift compensation model according to the parameter characteristic value It not only considers the influence of the actual real-time measured temperature on the temperature drift of the temperature collection unit, but also considers other parameter characteristic values that can affect the collection accuracy of the real-time temperature, such as electromagnetic interference and use time, and comprehensively measures the influence of temperature drift on the measured value of the temperature collection unit in combination with the multi-dimensional parameter characteristic value, which can improve the accuracy of the real-time temperature of the workpiece to be uniformly annealed collected by the temperature collection unit, and further better control the specific annealing operation and improve the workpiece annealing quality.

[0074] As a preferred technical solution, the annealing time compensation model is expressed as Where TC represents the annealing time compensation correction value, T1 represents the upper limit of the annealing time interval, T0 represents the lower limit of the annealing time interval, T1' represents the upper limit of the annealing temperature interval, T0' represents the lower limit of the annealing temperature interval, n represents the number of temperature drift sampling points in the preset annealing temperature interval, α represents the annealing time adjustment coefficient, and ΔT i This represents the temperature drift value corresponding to the i-th temperature drift sampling point, which can be determined according to the temperature drift compensation model. get.

[0075] Annealing time compensation model The obtained annealing time compensation correction value takes into account the actual temperature drift value. The actual annealing time is adjusted according to the error between the workpiece measured temperature by the temperature acquisition unit and the actual workpiece temperature. This can obtain a more accurate and appropriate annealing time, improve the annealing quality of the workpiece to be uniformly annealed, and avoid the problem of workpiece performance degradation caused by annealing time that is too short or too long.

[0076] This invention also provides a continuous homogenizing furnace control method, applied to the aforementioned continuous homogenizing furnace control system, such as... Figure 1 The steps shown are as follows:

[0077] S1, obtain the parameters of the workpiece to be uniformly annealed, and obtain the multi-stage uniform annealing parameters of the workpiece to be uniformly annealed based on the parameters of the workpiece to be uniformly annealed.

[0078] The specific annealing temperature and annealing time vary for workpieces of different types and sizes, and the number of homogenization annealing stages may also differ.

[0079] Preferably, in step S1, as Figure 2 As shown, the specific method for obtaining the multi-stage uniform annealing parameters of the workpiece to be uniformly annealed based on the parameters of the workpiece to be uniformly annealed includes the following steps:

[0080] S10, based on the type of the workpiece to be uniformly annealed, obtain the number of uniform annealing stages of the workpiece to be uniformly annealed, and select the annealing area based on the number of uniform annealing stages.

[0081] S11, based on the type and size of the workpiece to be uniformly annealed, obtain the annealing temperature range and annealing time range for each uniform annealing stage of the workpiece to be uniformly annealed.

[0082] S12, based on the annealing region, the annealing temperature range, and the annealing time range, obtain the multi-stage uniform annealing parameters of the workpiece to be uniformly annealed.

[0083] S2, constructing a temperature drift compensation model, and correcting the preset annealing temperature of each selected annealing region according to the multi-stage uniform annealing parameters and the temperature drift compensation model to obtain an optimal annealing temperature of each selected annealing region.

[0084] Preferably, as Figure 3 shown, the specific method for constructing the temperature drift compensation model includes the following steps:

[0085] S20, obtaining multi-dimensional parameters of a temperature acquisition unit for collecting real-time temperature of the workpiece to be uniformly annealed in each annealing region.

[0086] The multi-dimensional parameters include but are not limited to temperature acquisition accuracy, use time, power supply voltage, and electromagnetic interference signals.

[0087] S21, extracting parameter characteristic values in the multi-dimensional parameters that may affect the collection accuracy of the real-time temperature.

[0088] S22, constructing the temperature drift compensation model according to the parameter characteristic values.

[0089] The temperature drift compensation model can be expressed as wherein f(T) represents a temperature drift curve function, T represents a temperature value, m represents the number of parameter characteristic values extracted from the multi-dimensional parameters that may affect the collection accuracy of the real-time temperature; C i represents the i-th parameter characteristic value, which can be obtained by obtaining a predicted value in a preset time period through a simulation method; C' represents a preset parameter characteristic value standard value, which can be set by a technician; δ i represents an adjustment coefficient of the i-th parameter characteristic value, which can be set by a technician, and ΔT represents a temperature drift value.

[0090] By obtaining the multi-dimensional parameters of the temperature acquisition unit for collecting the real-time temperature of the workpiece to be uniformly annealed in each annealing region, extracting parameter characteristic values in the multi-dimensional parameters that may affect the collection accuracy of the real-time temperature, and constructing the temperature drift compensation model according to the parameter characteristic values not only considers the influence of actual real-time measurement temperature on temperature drift of the temperature acquisition unit, but also considers other parameter characteristic values such as electromagnetic interference and use time that may affect the collection accuracy of the real-time temperature, and comprehensively measures the influence of temperature drift on the measurement value of the temperature acquisition unit in combination with the multi-dimensional parameter characteristic values, thereby improving the accuracy of the real-time temperature of the workpiece to be uniformly annealed collected by the temperature acquisition unit, and better controlling the specific annealing operation and improving the workpiece annealing quality.

[0091] S3, constructing an annealing time compensation model, and performing annealing time compensation correction on the preset annealing time of each selected annealing region according to the multi-stage uniform annealing parameters and the annealing time compensation model, to obtain the optimal annealing time of each selected annealing region.

[0092] Preferably, according to the formula constructing the annealing time compensation model;

[0093] wherein TC represents the annealing time compensation correction value, T1 represents the upper limit of the annealing time interval, T0 represents the lower limit of the annealing time interval, T1' represents the upper limit of the annealing temperature interval, T0' represents the lower limit of the annealing temperature interval, n represents the preset temperature drift sampling point number of the annealing temperature interval, a represents the annealing time adjustment coefficient, and ΔT represents the temperature drift value corresponding to the i-th temperature drift sampling point. i wherein ΔT represents the temperature drift value corresponding to the i-th temperature drift sampling point.

[0094] through the annealing time compensation model The obtained annealing time compensation correction value considers the actual temperature drift value, adjusts the actual annealing time according to the error between the measured workpiece temperature and the actual workpiece temperature measured by the temperature collection unit, can obtain more accurate and suitable annealing time, improves the annealing quality of the workpiece to be uniformly annealed, and avoids the problem of performance degradation of the workpiece due to too short or too long annealing time.

[0095] S4, performing uniform annealing treatment on the workpiece to be uniformly annealed according to the optimal annealing temperature and the optimal annealing time.

[0096] In summary, the continuous homogenizing furnace control method performs temperature drift compensation correction on the preset annealing temperature of each selected annealing region through the construction of the temperature drift compensation model, obtains the optimal annealing temperature of each selected annealing region, and performs annealing time compensation correction on the preset annealing time of each selected annealing region through the construction of the annealing time compensation model, obtains the optimal annealing time of each selected annealing region, and controls the hot air circulating mechanism and the heating mechanism to act according to the optimal annealing temperature and the optimal annealing time, to perform uniform annealing treatment on the workpiece to be uniformly annealed. The temperature drift factor is considered in the annealing process of the workpiece to be uniformly annealed, the annealing temperature and the annealing time can be compensated and corrected to obtain more accurate annealing temperature and annealing time, and the annealing quality of the workpiece to be uniformly annealed is improved.

[0097] The application also provides a continuous homogenizing furnace control device, which comprises a controller, a memory storing executable instructions, wherein the executable instructions can run on the controller and implement the continuous homogenizing furnace control method.

[0098] The application further provides a computer readable storage medium, which stores a computer program, and the computer program realizes the continuous homogenizing furnace control method when executed by a processor.

[0099] The technical features of the above-mentioned embodiments can be combined in any manner, and for the sake of brevity, not all possible combinations of the technical features in the above-mentioned embodiments are described, but as long as the combinations of the technical features do not exist contradictions, they should be considered as the scope of the present disclosure.

[0100] The above-mentioned embodiments only express several implementation manners of the present application, and the description is more specific and detailed, but it should not be understood as a limitation on the scope of the patent. It should be pointed out that for ordinary skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which are all within the protection scope of the present application. Therefore, the protection scope of the present application patent should be subject to the appended claims.

Claims

1. A continuous homogenizing furnace control system comprising a furnace body, a hot air circulation mechanism, and a heating mechanism, a chamber of the furnace body being divided into a plurality of annealing zones in a length direction of the furnace body, each of the annealing zones being provided with the hot air circulation mechanism and the heating mechanism, the heating mechanism being configured to heat and raise a temperature of a workpiece to be homogenized annealed in the annealing zone, and the hot air circulation mechanism being configured to circulate hot air in the annealing zone, characterized in that, The continuous homogenizing furnace control system further comprises: ​ a parameter acquisition module, configured to acquire multi-stage homogenizing annealing parameters of the workpiece to be homogenously annealed according to the workpiece to be homogenously annealed parameters; a first construction module, configured to construct a temperature drift compensation model, and to correct the preset annealing temperature of each selected annealing region by temperature drift compensation according to the multi-stage homogenizing annealing parameters and the temperature drift compensation model, so as to acquire the optimal annealing temperature of each selected annealing region; a second construction module, configured to construct an annealing time compensation model, and to correct the preset annealing time of each selected annealing region by annealing time compensation according to the multi-stage homogenizing annealing parameters and the annealing time compensation model, so as to acquire the optimal annealing time of each selected annealing region; a control module, configured to control the hot air circulating mechanism and the heating mechanism to act according to the optimal annealing temperature and the optimal annealing time, so as to perform homogenizing annealing treatment on the workpiece to be homogenously annealed; The annealing time compensation model is expressed as ; wherein, represents an annealing time compensation correction value, represents an upper limit of an annealing time interval, represents a lower limit of an annealing time interval, represents an upper limit of an annealing temperature interval, represents a lower limit of an annealing temperature interval, represents a preset number of temperature drift sampling points of an annealing temperature interval, represents an annealing time adjustment coefficient, represents a temperature drift value corresponding to the th temperature drift sampling point.

2. A continuous homogenizer control system as claimed in claim 1, wherein, the parameter acquisition module comprises: a first parameter acquisition unit, configured to acquire the number of homogenizing annealing stages of the workpiece to be homogenously annealed according to the type of the workpiece to be homogenously annealed, and to select annealing regions according to the number of homogenizing annealing stages; a second parameter acquisition unit, configured to acquire the annealing temperature interval and the annealing time interval of each homogenizing annealing stage of the workpiece to be homogenously annealed according to the type and size of the workpiece to be homogenously annealed; a third parameter acquisition unit, configured to acquire the multi-stage homogenizing annealing parameters of the workpiece to be homogenously annealed according to the annealing regions, the annealing temperature interval and the annealing time interval.

3. A continuous homogenizer control system as claimed in claim 2, wherein, the first construction module comprises: a multi-dimensional parameter acquisition unit, configured to acquire multi-dimensional parameters of a temperature acquisition unit for acquiring real-time temperature of the workpiece to be homogenously annealed in each annealing region; a parameter characteristic value extraction unit, configured to extract parameter characteristic values in the multi-dimensional parameters that may affect the acquisition accuracy of the real-time temperature; a first construction unit, configured to construct the temperature drift compensation model according to the parameter characteristic values.

4. A continuous homogenizer control method applied to the continuous homogenizer control system according to any one of claims 1 to 3, characterized by, The continuous homogenizing furnace control method comprises the following steps: acquiring workpiece to be homogenously annealed parameters, and acquiring multi-stage homogenizing annealing parameters of the workpiece to be homogenously annealed according to the workpiece to be homogenously annealed parameters; constructing a temperature drift compensation model, and correcting the preset annealing temperature of each selected annealing region by temperature drift compensation according to the multi-stage homogenizing annealing parameters and the temperature drift compensation model, so as to acquire the optimal annealing temperature of each selected annealing region; constructing an annealing time compensation model, and correcting the preset annealing time of each selected annealing region by annealing time compensation according to the multi-stage homogenizing annealing parameters and the annealing time compensation model, so as to acquire the optimal annealing time of each selected annealing region; performing homogenizing annealing treatment on the workpiece to be homogenously annealed according to the optimal annealing temperature and the optimal annealing time; According to the formula constructing the annealing time compensation model; wherein, represents an annealing time compensation correction value, represents an upper limit of an annealing time interval, represents a lower limit of an annealing time interval, represents an upper limit of an annealing temperature interval, represents a lower limit of an annealing temperature interval, represents a preset number of temperature drift sampling points of an annealing temperature interval, represents an annealing time adjustment coefficient, represents a temperature drift value corresponding to the th temperature drift sampling point.

5. A continuous homogenizer control method as claimed in claim 4, characterized in that, the specific method for acquiring the multi-stage homogenizing annealing parameters of the workpiece to be homogenously annealed according to the workpiece to be homogenously annealed parameters comprises the following steps: According to the type of the workpiece to be homogeneously annealed, the number of homogenizing annealing stages of the workpiece to be homogeneously annealed is obtained, and an annealing area is selected according to the number of homogenizing annealing stages; According to the type and size of the workpiece to be homogeneously annealed, the annealing temperature interval and the annealing time interval of each homogenizing annealing stage of the workpiece to be homogeneously annealed are obtained; According to the annealing area, the annealing temperature interval and the annealing time interval, the multi-stage homogenizing annealing parameters of the workpiece to be homogeneously annealed are obtained.

6. A continuous homogenizer control method as claimed in claim 5, characterized in that, The specific method for constructing the temperature drift compensation model comprises the following steps: Obtaining multi-dimensional parameters of a temperature acquisition unit for acquiring real-time temperature of the workpiece to be homogeneously annealed in each annealing area; Extracting parameter characteristic values in the multi-dimensional parameters that may affect the acquisition accuracy of the real-time temperature; Constructing the temperature drift compensation model according to the parameter characteristic values.

7. A continuous homogenizer furnace control apparatus characterized by comprising: The continuous homogenizing furnace control device comprises: a controller; a memory storing executable instructions; wherein the executable instructions can be run on the controller and implement the continuous homogenizing furnace control method according to any one of claims 4 to 6.

8. A computer-readable storage medium, characterized in that, The computer program is stored on the computer readable storage medium and is executed by the processor to implement the continuous homogenizing furnace control method according to any one of claims 4 to 6.

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