A Temperature Cooling Regulation System and Method for a Heat-Resistant Exhaust Fan of an Industrial Kiln
By setting the standard temperature data of the firing stage in the industrial kiln and building a temperature difference mapping square, the parameters of the heat-resistant exhaust fan are adjusted in real time, the problem of temperature instability during the firing process of the industrial kiln is solved, and product quality and production efficiency are improved.
Patent Information
- Application Number
- CN202510073004.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-17
- Publication Date
- 2025-06-20
- Estimated Expiration
- 2045-01-17
AI Technical Summary
During the firing process of industrial kilns, if the parameters of the heat-resistant exhaust fan cannot be set reasonably in real time, it may lead to deformation and cracking during the cooling process of the product, affecting product quality and production efficiency.
By setting the standard temperature data of the firing stage, collecting historical firing data to build a temperature difference mapping equation, and adjusting the heat dissipation parameters of the heat-resistant exhaust fan in real time to ensure the stability of the firing temperature.
In the process of industrial kiln firing, the error between the temperature and the standard temperature in each firing stage is less than the set threshold, ensuring product quality and production efficiency.
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Figure CN119509183B_ABST
Abstract
Description
Technical Field
[0001] The present invention belongs to the field of temperature cooling regulation, and specifically, it particularly relates to a temperature cooling regulation system and method for a heat-resistant exhaust fan of an industrial furnace. Background Art
[0002] During the firing process of products using an industrial furnace, temperature control is a relatively important aspect; and the heat-resistant exhaust fan plays an important role in regulating the heat emission inside the industrial furnace; therefore, if the relevant parameters of the heat-resistant exhaust fan, such as air volume, air pressure, rotational speed, etc., cannot be set reasonably in real time, resulting in the heat inside the industrial furnace not being adjusted to an appropriate range in time, it may cause problems such as deformation and cracking of the products during the cooling process, thus affecting the quality and qualification rate of the products, and may also prolong the cooling time of the products, thereby reducing production efficiency and increasing production costs. Summary of the Invention
[0003] Aiming at the problems in the related art, the present invention proposes a temperature cooling regulation system and method for a heat-resistant exhaust fan of an industrial furnace to overcome the above-mentioned technical problems existing in the existing related technologies.
[0004] To solve the above-mentioned technical problems, the present invention is realized through the following technical solutions:
[0005] The present invention is a temperature cooling regulation method for a heat-resistant exhaust fan of an industrial furnace, including the following steps;
[0006] S1. Set the standard temperature data corresponding to multiple firing stages when firing products corresponding to various types of products to be fired using the industrial furnace to be regulated, and obtain a firing stage standard temperature data matrix;
[0007] S2. Collect data before and after heat dissipation using the heat-resistant exhaust fan during the firing process of the industrial furnace to be regulated in multiple historical cases, and obtain a historical firing heat dissipation time difference data set, a historical firing heat dissipation temperature difference data set, a historical firing thermal power data set, and a historical exhaust fan heat dissipation parameter data matrix;
[0008] S3. Use the historical firing heat dissipation time difference data set, the historical firing heat dissipation temperature difference data set, the historical firing thermal power data set, and the historical exhaust fan heat dissipation parameter data matrix to construct a final temperature difference mapping equation;
[0009] According to each stage of the current product to be fired in the firing stage standard temperature data matrix, obtain the current set of firing stages;
[0010] S4. Calculate the absolute value of the difference between the temperature data at the start time of each firing stage in the currently to-be-fired stage set and the corresponding standard temperature data, determine the currently to-be-adjusted firing stage and obtain the corresponding data, to obtain the currently to-be-adjusted exhaust fan heat dissipation parameter data set, the currently to-be-adjusted thermal power data, and the maximum current adjustment time;
[0011] S5. Use the final temperature difference mapping equation to map the currently to-be-adjusted exhaust fan heat dissipation parameter data set, the currently to-be-adjusted thermal power data, and the maximum current adjustment time, and adjust the currently to-be-adjusted exhaust fan heat dissipation parameter data set to obtain the currently to-be-adjusted exhaust fan heat dissipation final parameter data set;
[0012] Use the to-be-regulated industrial kiln to fire the corresponding products, collect the initial temperature of each stage during the firing process and compare it with the standard temperature, and perform multiple iterative adjustments on multiple parameters that affect the heat dissipation effect of the heat-resistant exhaust fan according to the comparison results at the same time, so that the error between the temperature of each stage during the firing process and the standard temperature is less than the set threshold, thereby ensuring that the temperature during the firing process meets the firing requirements. Among them, by constructing the final temperature difference mapping equation, it is used to map between the heat dissipation time data, the thermal efficiency data of the industrial kiln, the parameter data of the heat-resistant exhaust fan, and the temperature difference data before and after heat dissipation, so that when adjusting the parameter data of the heat-resistant exhaust fan subsequently, the corresponding temperature difference data before and after heat dissipation can be obtained in real time, so as to facilitate determining whether the parameter data of the heat-resistant exhaust fan obtained by the current adjustment meets the requirements.
[0013] Preferably, S1 includes the following steps:
[0014] S11. Set the to-be-regulated industrial kiln and multiple product types to be fired to obtain the to-be-fired product type set , a i represents the i-th product type to be fired set, represents the total number of product types to be fired set; set multiple firing stages when using the to-be-regulated industrial kiln to fire the products corresponding to each to-be-fired product type in the to-be-fired product type set to obtain the firing stage matrix ; as follows,
[0015] ;
[0016] Among them, represents the j-th firing stage when using the to-be-regulated industrial kiln to fire the products corresponding to the i-th to-be-fired product type in the to-be-fired product type set, represents the total number of firing stages when using the industrial furnace to be regulated to fire the products corresponding to the i-th type of product to be fired in the set of product types to be fired;
[0017] S12. Set the standard temperature data corresponding to each firing stage in the firing stage matrix to obtain a firing stage standard temperature data matrix ; as follows,
[0018] ;
[0019] Among them, represents the corresponding standard temperature data;
[0020] The types of industrial furnaces to be regulated include radiant furnaces, pusher furnaces, mesh belt furnaces, bell furnaces, box furnaces, rotary furnaces, vacuum furnaces, etc.; the set of product types to be fired includes PTC ceramics, varistors, ceramic powder materials, Ni-Zn ferrites, oxide fuel cell substrates, battery materials, etc.; the firing stage matrix includes a low-temperature stage, a medium-temperature stage, an oxidation holding stage, a strong reduction stage, a weak reduction stage, a high-temperature holding stage, a cooling stage, etc.; by setting the standard temperature of each firing stage, it provides an adjustment direction for subsequent adjustment of the parameters of the exhaust fan according to the firing temperature.
[0021] Preferably, the S2 includes the following steps:
[0022] S21. Collect the time difference data, temperature difference data before and after heat dissipation using a heat-resistant exhaust fan during the firing process of the industrial furnace to be regulated in multiple groups in history, and the thermal power data during the heat supply of the corresponding industrial furnace to be regulated to obtain a historical firing heat dissipation time difference data set , a historical firing heat dissipation temperature difference data set and a historical firing thermal power data set ; b 1i , b 4i , b 5i respectively represent the time difference data, temperature difference data before and after heat dissipation using a heat-resistant exhaust fan during the firing process of the i-th group of industrial furnaces to be regulated in history, and the thermal power data during the heat supply of the corresponding industrial furnace to be regulated, represents the total number of groups of historical firing parameter data collected;
[0023] S22. Set the types of influencing factors for the heat dissipation capacity of multiple heat-resistant exhaust fans to obtain an exhaust fan heat dissipation parameter type set , b 2i represents the i-th type of parameter set for setting the heat dissipation capacity of the heat-resistant exhaust fan, Represents the total number of parameter types that set the heat dissipation capacity of the heat-resistant exhaust fan; collect the parameter data that affects the heat dissipation capacity of the heat-resistant exhaust fan corresponding to each group of historical firing parameter data in the historical firing parameter data matrix according to the exhaust fan heat dissipation parameter type set, and obtain the historical exhaust fan heat dissipation parameter data matrix b3; as follows,
[0024] ;
[0025] where b 2ij represents the parameter data of the jth type that affects the heat dissipation capacity of the heat-resistant exhaust fan in the i-th group of historical industrial kilns to be regulated during the firing process;
[0026] The temperature difference data before and after the heat-resistant exhaust fan dissipates heat refers to the difference between the temperature in the industrial kiln before the exhaust fan is turned on and the temperature in the industrial kiln after the exhaust fan has been turned on for a period of time; the time difference data before and after the heat-resistant exhaust fan dissipates heat refers to the running time of the heat-resistant exhaust fan; the exhaust fan heat dissipation parameter type set includes air volume, air pressure, rotational speed, and noise level, etc.; by collecting the historical exhaust fan heat dissipation parameter data matrix, historical firing heat dissipation time difference data set, historical firing heat dissipation temperature difference data set, and historical firing thermal power data set, it provides data support for the subsequent construction of the final temperature difference mapping equation.
[0027] Preferably, S3 includes the following steps:
[0028] S31. Use the historical exhaust fan heat dissipation parameter data matrix, historical firing heat dissipation time difference data set, historical firing thermal power data set, and historical firing heat dissipation temperature difference data set to construct the final temperature difference mapping equation;
[0029] S32. Set the current product to be fired; obtain the standard temperature data corresponding to each stage and the corresponding standard temperature data when the current product to be fired is fired according to the product type set to be fired, firing stage matrix, and firing stage standard temperature data matrix, and obtain the current set of firing stages and the current set of standard temperatures for the firing stages , . respectively represent the i-th firing stage of firing the current product to be fired by the industrial kiln to be regulated and the standard temperature data of this firing stage;
[0030] By constructing the final temperature difference mapping equation, when adjusting the parameters of the heat-resistant exhaust fan during the current firing process later, the corresponding temperature difference data before and after heat dissipation can be obtained in real time, thereby making the efficiency of adjusting the parameters of the heat-resistant exhaust fan higher.
[0031] Preferably, S31 includes the following steps:
[0032] S311. Construct an initial temperature difference mapping equation based on the historical exhaust fan heat dissipation parameter data matrix, the historical firing heat dissipation time difference data set, the historical firing heat power data set, and the historical firing heat dissipation temperature difference data set; as follows,
[0033] ;
[0034] In the formula, is the dependent variable of the initial temperature difference mapping equation, representing the firing heat dissipation temperature difference data; is the i-th independent variable of the initial temperature difference mapping equation, representing the parameter data of the i-th type that affects the heat dissipation ability of the heat-resistant exhaust fan, is 's independent variable coefficient; is the -th independent variable of the initial temperature difference mapping equation, representing the firing heat power data, is 's independent variable coefficient; is the -th independent variable of the initial temperature difference mapping equation, representing the firing heat dissipation time difference data, is 's independent variable coefficient; represents the bias of the initial temperature difference mapping equation;
[0035] S312. Substitute the historical firing heat dissipation time difference data set, the historical firing heat power data set, and the historical exhaust fan heat dissipation parameter data matrix into the initial temperature difference mapping equation for mapping to obtain the historical initial temperature difference mapping data set , c i represents the temperature difference data obtained by substituting the i-th historical firing heat dissipation time difference data and the historical firing heat power data in the historical firing heat dissipation time difference data set and the historical firing heat power data set, and the i-th row data in the historical exhaust fan heat dissipation parameter data matrix into the initial temperature difference mapping equation for mapping;
[0036] S313. Set the temperature difference data error threshold; calculate the Euclidean distance between the historical initial temperature difference mapping data set and the historical firing heat dissipation temperature difference data set to obtain the temperature difference error data ; The calculation formula is as follows,
[0037] ;
[0038] When the temperature difference error data is greater than or equal to the temperature difference data error threshold, adjust the initial temperature difference mapping equation until the temperature difference error data is less than the temperature difference data error threshold, and then obtain the final temperature difference mapping equation; otherwise, there is no need to adjust the initial temperature difference mapping equation, and the initial temperature difference mapping equation is used as the final temperature difference mapping equation;
[0039] By taking multiple parameter data affecting the heat dissipation capacity of the heat-resistant exhaust fan, the firing heat power data, and the firing heat dissipation time difference data as independent variables and the firing heat dissipation temperature difference data as the dependent variable data, the constructed initial temperature difference mapping equation can realize the numerical mapping between the parameter data affecting the heat dissipation capacity of the heat-resistant exhaust fan, the firing heat power data, the firing heat dissipation time difference data, and the firing heat dissipation temperature difference data; by substituting the historical firing heat dissipation time difference data set, the historical firing heat power data set, and the historical exhaust fan heat dissipation parameter data matrix into the initial temperature difference mapping equation for mapping, it can be preliminarily determined whether the initial temperature difference mapping equation meets the mapping requirements, and then it can be determined whether the initial temperature difference mapping equation needs to be adjusted; thus avoiding the situation of blindly adjusting the initial temperature difference mapping equation.
[0040] Preferably, S4 includes the following steps:
[0041] S41. Measure the temperature data in the industrial kiln to be regulated at the start time of each firing stage in the current set of firing stages to be fired, and obtain the initial temperature data set of the current set of firing stages to be fired , e 1i represents the temperature data measured in the industrial kiln to be regulated at the start time of the i-th firing stage in the current set of firing stages to be fired; calculate the absolute value of the difference between the initial temperature data set of the current set of firing stages to be fired and the corresponding temperature data in the standard temperature data set of the current set of firing stages to be fired, and obtain the temperature difference data set of the current set of firing stages to be fired , e 2i represents the absolute value of the difference between the initial temperature data and the standard temperature data of the i-th current set of firing stages to be fired; the calculation formula is as follows,
[0042] ;
[0043] S42. Set the current temperature difference threshold ; when there is current firing stage temperature difference data greater than or equal to the current temperature difference threshold in the current set of firing stage temperature difference data, mark this current firing stage as the current firing stage to be adjusted; set the initial temperature data of the current firing stage to be adjusted as e7, the standard temperature data as e8, and the maximum value of the firing temperature time adjustment time as e3, denoted as the current maximum adjustment time;
[0044] According to the heat dissipation parameter type set of the exhaust fan, obtain each parameter data of the heat-resistant exhaust fan corresponding to the current firing stage to be adjusted and the heat power data of the industrial furnace heating to be regulated, and obtain the current exhaust fan heat dissipation parameter data set to be adjusted. And the current heat power data e5 to be adjusted, e 4i Represents the heat dissipation parameter data of the i-th type of the heat-resistant exhaust fan corresponding to the current firing stage to be adjusted;
[0045] By calculating the absolute value of the difference between the temperature data in the initial temperature data set of the current firing stage to be fired and the corresponding temperature data in the standard temperature data set of the current firing stage, it provides a basis for determining which temperature in the current firing stage is abnormal; by setting the current temperature difference threshold, it provides a quantitative determination standard for determining whether the temperature in the current firing stage is abnormal.
[0046] Preferably, the S5 includes the following steps:
[0047] S51. Input the current exhaust fan heat dissipation parameter data set to be adjusted, the current heat power data to be adjusted, and the maximum current adjustment time into the final temperature difference mapping equation for mapping to obtain the current temperature difference data e6 to be adjusted;
[0048] S52. When the current firing stage to be adjusted is the heating stage and or the current firing stage to be adjusted is the cooling stage and at this time, there is no need to adjust the current exhaust fan heat dissipation parameter data set to be adjusted, and use the current exhaust fan heat dissipation parameter data set to be adjusted as the current exhaust fan heat dissipation final parameter data set; otherwise, adjust the current exhaust fan heat dissipation parameter data set to be adjusted until the current firing stage to be adjusted is the heating stage and or the current firing stage to be adjusted is the cooling stage and at this time, to obtain the current exhaust fan heat dissipation final parameter data set;
[0049] By inputting the current exhaust fan heat dissipation parameter data set to be adjusted, the current heat power data to be adjusted, and the maximum current adjustment time into the final temperature difference mapping equation for mapping, it is used to determine whether the heat dissipation effect brought by the parameter data of the current heat-resistant exhaust fan meets the requirements, and to determine whether it is necessary to adjust the parameter data of the current heat-resistant exhaust fan; by adjusting the current exhaust fan heat dissipation parameter data set to be adjusted, the heat dissipation effect of the current exhaust fan to be adjusted can make the temperature in the industrial furnace return to the temperature data range that meets the firing requirements.
[0050] Preferably, the adjustment of the current exhaust fan heat dissipation parameter data set in S52 includes the following steps:
[0051] S521. Construct the firefly population for adjusting the exhaust fan heat dissipation parameters , represents the i-th firefly in the firefly population for adjusting the exhaust fan heat dissipation parameters, represents the size of the firefly population for adjusting the exhaust fan heat dissipation parameters; set the maximum number of iterations of the firefly population for adjusting the exhaust fan heat dissipation parameters as d3 and the current number of iterations as d4, denoted as the maximum iteration number for parameter adjustment and the current iteration number for parameter adjustment respectively; the search space dimension of the firefly population for adjusting the exhaust fan heat dissipation parameters is ;
[0052] S522. Set the value range of the parameter data corresponding to each type of exhaust fan heat dissipation parameter in the exhaust fan heat dissipation parameter type set to obtain the heat dissipation parameter value range set , , respectively represent the lower limit and upper limit of the value of the parameter data corresponding to the i-th type of exhaust fan heat dissipation parameter in the exhaust fan heat dissipation parameter type set;
[0053] Set the initial position of each firefly in the firefly population for adjusting the exhaust fan heat dissipation parameters according to the heat dissipation parameter value range set to obtain the second initial position matrix ; as follows,
[0054] ;
[0055] wherein, represents the position component of the initial position of the j-th firefly in the firefly population for adjusting the exhaust fan heat dissipation parameters on the parameter data dimension corresponding to the i-th type of exhaust fan heat dissipation parameter in the exhaust fan heat dissipation parameter type set; the calculation formula is as follows,
[0056] ;
[0057] In the formula, rand 2ji represents a random number between 0 and 1 generated for ;
[0058] S523. When the current firing stage to be adjusted is the heating stage, the fitness function of the firefly population for adjusting the exhaust fan heat dissipation parameters is ; when the current firing stage to be adjusted is the cooling stage, the fitness function of the firefly population for adjusting the exhaust fan heat dissipation parameters is ; , are respectively as follows,
[0059] ; ;
[0060] In the formula, both β1 and β2 are positive numbers, representing the first protection parameter and the second protection parameter respectively;
[0061] S524. Start the iteration. Before the iteration, set the parameter adjustment current iteration number to 1; in the first round of iteration, adjust the fitness function of the firefly population using the exhaust fan heat dissipation parameter and cooperate with the final temperature difference mapping equation to calculate the fitness value of the initial position of each firefly in the second initial position matrix, obtaining the third fitness value set; take the maximum fitness value in the third fitness value set and the corresponding initial position of the firefly as the third global best fitness and the third global best position respectively; update the initial position of each firefly in the second initial position matrix according to the third global best fitness and the third global best position; after the update is completed, increment the parameter adjustment current iteration number by 1 and enter the next round of iteration;
[0062] In each subsequent round of iteration, adjust the fitness function of the firefly population using the exhaust fan heat dissipation parameter and cooperate with the final temperature difference mapping equation to calculate the fitness value of the position of each firefly in the firefly population with the exhaust fan heat dissipation parameter adjusted in the previous round of iteration, obtaining the fourth fitness value set; take the maximum fitness value in the fourth fitness value set and the corresponding position of the firefly as the fourth global best fitness and the fourth global best position respectively; update the position of each firefly in the firefly population with the exhaust fan heat dissipation parameter adjusted in the previous round of iteration according to the fourth global best fitness and the fourth global best position; after the update is completed, increment the parameter adjustment current iteration number by 1 and enter the next round of iteration;
[0063] S525. When d4 ≥ d3, stop the iteration to obtain the second final global best position; otherwise, continue the iteration until d4 ≥ d3; take the second final global best position as the current dataset of exhaust fan heat dissipation optimized parameters to be adjusted; input the current dataset of exhaust fan heat dissipation optimized parameters to be adjusted, the current heat power data to be adjusted, and the current maximum adjustment time into the final temperature difference mapping equation for mapping to obtain the current optimized temperature difference data e9 to be adjusted; replace the current temperature difference data e6 to be adjusted with the current optimized temperature difference data e9 to be adjusted;
[0064] When the current firing stage to be adjusted is the heating stage and or the current firing stage to be adjusted is the cooling stage and , take the current dataset of exhaust fan heat dissipation optimized parameters to be adjusted as the current final dataset of exhaust fan heat dissipation parameters to be adjusted; otherwise, return to S524 to continue the iteration until the current firing stage to be adjusted is the heating stage and or when the current firing stage to be adjusted is the cooling stage and until;
[0065] By using the firefly optimization algorithm, multiple parameters of the current heat-resistant exhaust fan are iteratively adjusted simultaneously, and the difference between the temperature in the industrial furnace after the current heat-resistant exhaust fan runs for a period of time with the adjusted parameters and the standard temperature data at the corresponding stage is used as the fitness function. Therefore, as the iteration progresses, the difference between the temperature in the industrial furnace after the current heat-resistant exhaust fan runs for a period of time and the standard temperature data at the corresponding stage becomes smaller and smaller, so that the current heat-resistant exhaust fan meets the heat dissipation requirements of the current firing stage.
[0066] A temperature cooling control system for a heat-resistant exhaust fan of an industrial furnace, comprising a firing stage setting module, a standard temperature data setting module for the firing stage, a historical firing heat dissipation data acquisition module, a temperature difference mapping equation construction module, a current firing stage data acquisition module, a current firing stage data temperature calculation module, a current firing stage to be adjusted data acquisition module, a mapping module, and a current exhaust fan heat dissipation parameter adjustment module.
[0067] The present invention has the following beneficial effects:
[0068] 1. In the present invention, by using the industrial furnace to be controlled to fire the corresponding products, the initial temperature of each stage in the firing process is collected and compared with the standard temperature, and multiple parameters of the heat-resistant exhaust fan that have an impact on its heat dissipation effect are iteratively adjusted simultaneously according to the comparison result, so that the error between the temperature of each stage in the firing process and the standard temperature is less than the set threshold, thus ensuring that the temperature in the firing process meets the firing requirements.
[0069] 2. In the present invention, by setting the standard temperature of each firing stage, it provides an adjustment direction for subsequent adjustment of the parameters of the exhaust fan according to the firing temperature.
[0070] 3. In the present invention, by constructing the final temperature difference mapping equation, when adjusting the parameters of the heat-resistant exhaust fan in the current firing process subsequently, the corresponding temperature difference data before and after heat dissipation can be obtained in real time, and thus the efficiency of adjusting the parameters of the heat-resistant exhaust fan is higher.
[0071] 4. In the present invention, the firefly optimization algorithm is adopted to iteratively adjust multiple parameters of the current heat-resistant exhaust fan simultaneously, and the difference between the temperature in the industrial furnace after the current heat-resistant exhaust fan operates for a period of time with the adjusted parameters and the standard temperature data at the corresponding stage is used as the fitness function. Therefore, as the iteration progresses, the difference between the temperature in the industrial furnace after the current heat-resistant exhaust fan operates for a period of time and the standard temperature data at the corresponding stage becomes smaller and smaller, so that the current heat-resistant exhaust fan meets the heat dissipation requirements of the current firing stage.
[0072] Of course, it is not necessary for any product implementing the present invention to achieve all the above-mentioned advantages simultaneously. BRIEF DESCRIPTION OF THE DRAWINGS
[0073] In order to more clearly illustrate the technical solutions of the embodiments of the invention, the drawings required for describing the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the invention, and those of ordinary skill in the art can also obtain other drawings based on these drawings without creative efforts.
[0074] Figure 1 It is a schematic flow chart of a temperature cooling control method for a heat-resistant exhaust fan of an industrial furnace according to the present invention. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0075] The technical solutions in the embodiments of the invention will be clearly and completely described below with reference to the drawings in the embodiments of the invention. Obviously, the described embodiments are only some of the embodiments of the invention, rather than all of them. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the invention without creative efforts belong to the scope of protection of the invention.
[0076] Embodiment 1
[0077] Please refer to Figure 1 , this embodiment is a temperature cooling control method for a heat-resistant exhaust fan of an industrial furnace, including the following steps;
[0078] S1. Set the standard temperature data corresponding to multiple firing stages when using the industrial furnace to be regulated to fire products corresponding to multiple types of products to be fired, and obtain a firing stage standard temperature data matrix;
[0079] The S1 includes the following steps:
[0080] S11. Set the industrial furnace to be regulated and multiple types of products to be fired, and obtain a set of products to be fired , a i represents the i-th type of product to be fired set, Represents the total number of set product types to be fired; sets multiple firing stages when using the industrial kiln to be regulated to fire the products corresponding to each product type to be fired in the set of product types to be fired, and obtains a firing stage matrix ; as follows,
[0081] ;
[0082] Among them, Represents the j-th firing stage when using the industrial kiln to be regulated to fire the products corresponding to the i-th product type to be fired in the set of product types to be fired, Represents the total number of firing stages when using the industrial kiln to be regulated to fire the products corresponding to the i-th product type to be fired in the set of product types to be fired;
[0083] S12. Set the standard temperature data corresponding to each firing stage in the firing stage matrix to obtain a firing stage standard temperature data matrix ; as follows,
[0084] ;
[0085] Among them, Represents The corresponding standard temperature data;
[0086] S2. Collect data before and after heat dissipation using a heat-resistant exhaust fan during the firing process of the industrial kiln to be regulated in multiple historical records, and obtain a historical firing heat dissipation time difference data set, a historical firing heat dissipation temperature difference data set, a historical firing thermal power data set, and a historical exhaust fan heat dissipation parameter data matrix;
[0087] S2 includes the following steps:
[0088] S21. Collect the time difference data, temperature difference data before and after heat dissipation using a heat-resistant exhaust fan during the firing process of the industrial kiln to be regulated in multiple historical records, and the thermal power data when the industrial kiln to be regulated supplies heat, to obtain a historical firing heat dissipation time difference data set , a historical firing heat dissipation temperature difference data set and a historical firing thermal power data set ; b 1i , b 4i , b 5i respectively represent the time difference data, temperature difference data before and after heat dissipation using a heat-resistant exhaust fan during the firing process of the i-th historical industrial kiln to be regulated, and the thermal power data when the industrial kiln to be regulated supplies heat, Represents the total number of groups of collected historical firing parameter data;
[0089] S22. Set the types of influencing factors for the heat dissipation capacity of multiple heat-resistant exhaust fans to obtain a set of exhaust fan heat dissipation parameter types , b 2i represents the i-th type of parameter set for influencing the heat dissipation capacity of the heat-resistant exhaust fan represents the total number of parameter types for influencing the heat dissipation capacity of the heat-resistant exhaust fan; according to the set of exhaust fan heat dissipation parameter types, collect the parameter data for influencing the heat dissipation capacity of the heat-resistant exhaust fan corresponding to each set of historical firing parameter data in the historical firing parameter data matrix to obtain the historical exhaust fan heat dissipation parameter data matrix b3; as follows
[0090] ;
[0091] where b 2ij represents the parameter data of the j-th type for influencing the heat dissipation capacity of the heat-resistant exhaust fan during the firing process of the i-th group of historical industrial kilns to be regulated
[0092] S3. Construct a final temperature difference mapping equation using the historical firing heat dissipation time difference data set, the historical firing heat dissipation temperature difference data set, the historical firing heat power data set, and the historical exhaust fan heat dissipation parameter data matrix
[0093] According to the firing stage standard temperature data matrix for each stage during the firing of the current product to be fired, obtain the current set of stages to be fired
[0094] The S3 includes the following steps
[0095] S31. Construct a final temperature difference mapping equation using the historical exhaust fan heat dissipation parameter data matrix, the historical firing heat dissipation time difference data set, the historical firing heat power data set, and the historical firing heat dissipation temperature difference data set
[0096] The S31 includes the following steps
[0097] S311. Construct an initial temperature difference mapping equation according to the historical exhaust fan heat dissipation parameter data matrix, the historical firing heat dissipation time difference data set, the historical firing heat power data set, and the historical firing heat dissipation temperature difference data set; as follows
[0098] ;
[0099] In the formula is the dependent variable of the initial temperature difference mapping equation, representing the firing heat dissipation temperature difference data is the i-th independent variable of the initial temperature difference mapping equation, representing the parameter data of the i-th type for influencing the heat dissipation capacity of the heat-resistant exhaust fan is the independent variable coefficient of is the th independent variable of the initial temperature difference mapping equation, representing the firing heat power data, is 's independent variable coefficient; is the th independent variable of the initial temperature difference mapping equation, representing the firing heat dissipation time difference data, is 's independent variable coefficient; represents the offset of the initial temperature difference mapping equation;
[0100] S312. Substitute the historical firing heat dissipation time difference data set, historical firing heat power data set, and historical exhaust fan heat dissipation parameter data matrix into the initial temperature difference mapping equation for mapping to obtain the historical initial temperature difference mapping data set , c i represents the temperature difference data obtained by substituting the i-th historical firing heat dissipation time difference data and historical firing heat power data in the historical firing heat dissipation time difference data set and historical firing heat power data set, and the i-th row data in the historical exhaust fan heat dissipation parameter data matrix into the initial temperature difference mapping equation for mapping;
[0101] S313. Set the temperature difference data error threshold; calculate the Euclidean distance between the historical initial temperature difference mapping data set and the historical firing heat dissipation temperature difference data set to obtain the temperature difference error data ; The calculation formula is as follows,
[0102] ;
[0103] When the temperature difference error data is greater than or equal to the temperature difference data error threshold, adjust the initial temperature difference mapping equation until the temperature difference error data is less than the temperature difference data error threshold, and obtain the final temperature difference mapping equation; otherwise, there is no need to adjust the initial temperature difference mapping equation, and use the initial temperature difference mapping equation as the final temperature difference mapping equation;
[0104] Adjusting the initial temperature difference mapping equation in S313 until the temperature difference error data is less than the temperature difference data error threshold to obtain the final temperature difference mapping equation includes the following steps:
[0105] S3131. Construct a firefly population for adjusting the temperature difference mapping equation , represents the i-th firefly in the firefly population for adjusting the temperature difference mapping equation, It is indicated that the temperature difference mapping equation adjusts the scale of the firefly population; it is set that the maximum number of iterations for the temperature difference mapping equation to adjust the firefly population is d1 and the current number of iterations is d2, which are respectively denoted as the maximum number of iterations for equation adjustment and the current number of iterations for equation adjustment; the search space dimension for the temperature difference mapping equation to adjust the firefly population is ;
[0106] S3132. Set the value range of each independent variable coefficient and bias in the initial temperature difference mapping equation to obtain the independent variable coefficient value range matrix and the bias value range ; 、 respectively represent the lower limit and upper limit of the bias value in the initial temperature difference mapping equation; as follows,
[0107] ;
[0108] wherein, 、 respectively represent the lower limit and upper limit of the value of the i-th independent variable coefficient in the initial temperature difference mapping equation; 、 respectively represent the lower limit and upper limit of the value of the -th independent variable coefficient in the initial temperature difference mapping equation; 、 respectively represent the lower limit and upper limit of the value of the -th independent variable coefficient in the initial temperature difference mapping equation;
[0109] Set the initial position matrix of each firefly in the firefly population adjusted by the temperature difference mapping equation according to the independent variable coefficient value range matrix and the bias value range to obtain the first initial position matrix set , represents the initial position matrix of the j-th firefly in the firefly population adjusted by the temperature difference mapping equation; as follows,
[0110] ;
[0111] wherein, represents the position component of the initial position of the j-th firefly in the firefly population adjusted by the temperature difference mapping equation in the dimension of the j-th independent variable coefficient of the initial temperature difference mapping equation, 、 respectively represent the initial position of the j-th firefly in the firefly population adjusted by the temperature difference mapping equation in the -th and The position component on the dimension of the independent variable coefficient represents the position component of the initial position of the j-th firefly in the firefly population adjusted by the temperature difference mapping equation on the dimension of the offset amount in the initial temperature difference mapping equation; , , , The calculation formulas of are as follows respectively,
[0112] ; ;
[0113] ; ;
[0114] In the formula, rand 1j1i , rand 1j21 , rand 1j22 , rand 1j23 respectively represent random numbers between 0 and 1 generated for , , , ;
[0115] S3133. According to the temperature difference error data Construct a fitness function for adjusting the firefly population using the temperature difference mapping equation ; as follows,
[0116] ;
[0117] S3134. Start iteration. Before iteration, set the current iteration number adjusted by the equation to 1; in the first round of iteration, use the temperature difference mapping equation to adjust the fitness function of the firefly population Calculate the fitness value of the initial position matrix of each firefly in the first initial position matrix set to obtain the first fitness value set; take the maximum fitness value in the first fitness value set and the corresponding initial position matrix of the firefly as the first global best fitness and the first global best position respectively; update the initial position matrix of each firefly in the first initial position matrix set according to the first global best fitness and the first global best position; after the update is completed, increment the current iteration number adjusted by the equation by 1 and enter the next round of iteration;
[0118] In each subsequent round of iteration, use the temperature difference mapping equation to adjust the fitness function of the firefly population Calculate the fitness values of the position matrices of each firefly in the firefly population by adjusting the temperature difference mapping equation obtained in the previous iteration process to obtain a second fitness value set; use the maximum fitness value in the second fitness value set and the corresponding position matrix of the firefly as the second global best fitness and the second global best position respectively; update the position matrices of each firefly in the firefly population by adjusting the temperature difference mapping equation obtained in the previous iteration process according to the second global best fitness and the second global best position; after the update is completed, increment the current iteration count of the equation by 1 and enter the next iteration;
[0119] S3135. When d2≥d1, stop the iteration to obtain the first final global best position; otherwise, continue the iteration until d2≥d1; substitute each position component of the first final global best position into the initial temperature difference mapping equation to obtain an optimized temperature difference mapping equation; substitute the historical firing heat dissipation time difference data set, the historical firing heat power data set, and the historical exhaust fan heat dissipation parameter data matrix in S312 into the optimized temperature difference mapping equation for mapping to obtain a historical optimized temperature difference mapping data set; calculate the Euclidean distance between the historical optimized temperature difference mapping data set and the historical firing heat dissipation temperature difference data set to obtain optimized temperature difference error data;
[0120] When the optimized temperature difference error data is less than the temperature difference data error threshold, use the optimized temperature difference mapping equation as the final temperature difference mapping equation; otherwise, return to S3134 to continue the iteration until the optimized temperature difference error data is less than the temperature difference data error threshold;
[0121] The firefly optimization algorithm has a simple structure, and the parameters in the algorithm can be adjusted according to specific problems to obtain the best optimization effect. It can quickly find the optimal solution globally and can effectively avoid local optimal solutions by simulating the flashing brightness behavior of fireflies; based on the above advantages, in this solution, the firefly optimization algorithm is used to perform multiple iterations on multiple independent variable coefficients and bias amounts of the initial temperature difference mapping equation simultaneously, and the error value between the mapping data and the actual data of the initial temperature difference mapping equation is used as the fitness function; therefore, as the iteration progresses, the error value between the mapping data and the actual data of the initial temperature difference mapping equation becomes smaller and smaller, and finally meets the mapping requirements;
[0122] S32. Set the current product to be fired; obtain the standard temperature data corresponding to each stage when the current product to be fired is fired according to the set of product types to be fired, the firing stage matrix, and the firing stage standard temperature data matrix to obtain the current set of firing stages and the current set of standard temperatures for the firing stages to be fired , , respectively represent the i-th firing stage of firing the current product to be fired using the industrial furnace to be regulated and the standard temperature data of this firing stage;
[0123] S4. Calculate the absolute value of the difference between the temperature data at the start time of each firing stage in the current set of firing stages to be fired and the corresponding standard temperature data, determine the current firing stage that needs to be adjusted and obtain the corresponding data, to obtain the current set of exhaust fan heat dissipation parameter data to be adjusted, the current heat power data to be adjusted, and the maximum current adjustment time;
[0124] The S4 includes the following steps:
[0125] S41. Measure the temperature data inside the industrial furnace to be regulated at the start time of each firing stage in the current set of firing stages to be fired, to obtain the initial temperature data set of the current firing stages to be fired , e 1i represents the temperature data measured inside the industrial furnace to be regulated at the start time of the i-th firing stage in the current set of firing stages to be fired; calculate the absolute value of the difference between the initial temperature data set of the current firing stages to be fired and the corresponding temperature data in the standard temperature data set of the current firing stages to be fired, to obtain the temperature difference data set of the current firing stages to be fired , e 2i represents the absolute value of the difference between the initial temperature data and the standard temperature data of the i-th current firing stage; the calculation formula is as follows,
[0126] ;
[0127] S42. Set the current temperature difference threshold ; when there is current firing stage temperature difference data in the current firing stage temperature difference data set that is greater than or equal to the current temperature difference threshold, mark this current firing stage as the current firing stage to be adjusted; set the initial temperature data of the current firing stage to be adjusted as e7, the standard temperature data as e8, and the maximum value of the firing temperature time adjustment time as e3, denoted as the maximum current adjustment time;
[0128] Then, according to the exhaust fan heat dissipation parameter type set, obtain each parameter data of the heat-resistant exhaust fan corresponding to the current firing stage to be adjusted and the heat power data for heating the industrial furnace to be regulated, to obtain the current set of exhaust fan heat dissipation parameter data to be adjusted and the current heat power data to be adjusted e5, e 4i represents the i-th type of heat dissipation parameter data of the heat-resistant exhaust fan corresponding to the current firing stage to be adjusted;
[0129] S5. Map the current dataset of exhaust fan heat dissipation parameters to be adjusted, the current heat power data to be adjusted, and the maximum current adjustment time using the final temperature difference mapping equation, and adjust the current dataset of exhaust fan heat dissipation parameters to be adjusted to obtain the final dataset of exhaust fan heat dissipation parameters to be adjusted;
[0130] S5 includes the following steps:
[0131] S51. Input the current dataset of exhaust fan heat dissipation parameters to be adjusted, the current heat power data to be adjusted, and the maximum current adjustment time into the final temperature difference mapping equation for mapping to obtain the current temperature difference data to be adjusted e6;
[0132] S52. When the current firing stage to be adjusted is the heating stage and or the current firing stage to be adjusted is the cooling stage and , there is no need to adjust the current dataset of exhaust fan heat dissipation parameters to be adjusted, and use the current dataset of exhaust fan heat dissipation parameters to be adjusted as the final dataset of exhaust fan heat dissipation parameters to be adjusted; otherwise, adjust the current dataset of exhaust fan heat dissipation parameters to be adjusted until the current firing stage to be adjusted is the heating stage and or the current firing stage to be adjusted is the cooling stage and to obtain the final dataset of exhaust fan heat dissipation parameters to be adjusted;
[0133] The adjustment of the current dataset of exhaust fan heat dissipation parameters to be adjusted in S52 includes the following steps:
[0134] S521. Construct a firefly population for adjusting exhaust fan heat dissipation parameters , represents the i-th firefly in the firefly population for adjusting exhaust fan heat dissipation parameters, represents the size of the firefly population for adjusting exhaust fan heat dissipation parameters; set the maximum number of iterations of the firefly population for adjusting exhaust fan heat dissipation parameters as d3 and the current number of iterations as d4, which are respectively denoted as the maximum number of parameter adjustment iterations and the current number of parameter adjustment iterations; the search space dimension of the firefly population for adjusting exhaust fan heat dissipation parameters is ;
[0135] S522. Set the value range of the parameter data corresponding to each type of exhaust fan heat dissipation parameter in the exhaust fan heat dissipation parameter type set to obtain the heat dissipation parameter value range set , , respectively represent the lower limit and upper limit of the value of the parameter data corresponding to the i-th type of exhaust fan heat dissipation parameter in the exhaust fan heat dissipation parameter type set;
[0136] Set the initial positions of each firefly in the population for adjusting the exhaust fan heat dissipation parameters according to the set of value intervals of the heat dissipation parameters, and obtain the second initial position matrix ; as follows
[0137] ;
[0138] wherein represents the position component of the initial position of the j-th firefly in the population for adjusting the exhaust fan heat dissipation parameters on the parameter data dimension corresponding to the i-th type of exhaust fan heat dissipation parameter in the exhaust fan heat dissipation parameter type set; the calculation formula is as follows
[0139] ;
[0140] In the formula, rand 2ji represents a random number generated between 0 and 1 for ;
[0141] S523. When the current firing stage to be adjusted is the heating stage, the fitness function of the population of fireflies for adjusting the exhaust fan heat dissipation parameters is ; when the current firing stage to be adjusted is the cooling stage, the fitness function of the population of fireflies for adjusting the exhaust fan heat dissipation parameters is ; . are as follows respectively
[0142] ; ;
[0143] In the formula, both β1 and β2 are positive numbers, representing the first protection parameter and the second protection parameter respectively
[0144] S524. Start iteration. Before iteration, set the current iteration number of parameter adjustment to 1; in the first round of iteration, use the fitness function of the population of fireflies for adjusting the exhaust fan heat dissipation parameters and cooperate with the final temperature difference mapping equation to calculate the fitness values of the initial positions of each firefly in the second initial position matrix, and obtain the third fitness value set; take the maximum fitness value in the third fitness value set and the corresponding initial position of the firefly as the third global best fitness and the third global best position respectively; update the initial positions of each firefly in the second initial position matrix according to the third global best fitness and the third global best position; after the update is completed, add 1 to the current iteration number of parameter adjustment and enter the next round of iteration
[0145] In each other round of iteration, the fitness function of the firefly population is adjusted by the exhaust fan heat dissipation parameters and the fitness value of the position of each firefly in the firefly population adjusted by the exhaust fan heat dissipation parameters updated in the previous round of iteration is calculated in conjunction with the final temperature difference mapping equation to obtain a fourth fitness value set; the maximum fitness value in the fourth fitness value set and the corresponding position of the firefly are respectively used as the fourth global optimal fitness and the fourth global optimal position; the position of each firefly in the firefly population adjusted by the exhaust fan heat dissipation parameters updated in the previous round of iteration is updated according to the fourth global optimal fitness and the fourth global optimal position; after the update is completed, the current iteration number of the parameter adjustment is increased by 1 and the next iteration is entered;
[0146] S525. When d4≥d3, stop iteration and obtain the second final global optimal position; otherwise, continue iteration until d4≥d3; use the second final global optimal position as the parameter data set after the heat dissipation optimization of the exhaust fan to be adjusted; input the parameter data set after the heat dissipation optimization of the exhaust fan to be adjusted, the current thermal power data to be adjusted and the current maximum value of the adjustment time into the final temperature difference mapping equation for mapping, and obtain the current temperature difference data e9 after optimization to be adjusted; use the current temperature difference data e9 after optimization to be adjusted to replace the current temperature difference data e6 to be adjusted;
[0147] When the current firing stage to be adjusted is a heating stage and Or the current firing stage to be adjusted is the cooling stage and When the optimized parameter data set of the exhaust fan heat dissipation to be adjusted is used as the final parameter data set of the exhaust fan heat dissipation to be adjusted; otherwise, return to S524 to continue iterating until the current firing stage to be adjusted is the heating stage and Or the current firing stage to be adjusted is the cooling stage and Until then.
[0148] Embodiment 2
[0149] The present embodiment discloses a temperature cooling control system for a heat-resistant exhaust fan of an industrial furnace, and the system can implement the method of the above embodiment, including a firing stage setting module, a firing stage standard temperature data setting module, a historical firing heat dissipation data acquisition module, a temperature difference mapping equation construction module, a current firing stage data acquisition module, a current firing stage data temperature calculation module, a current firing stage data acquisition module to be adjusted, a mapping module, and a current exhaust fan heat dissipation parameter adjustment module;
[0150] The firing stage setting module is used to set multiple firing stages when the industrial kiln to be regulated is used to fire products corresponding to multiple types of products to be fired, and obtain a firing stage matrix;
[0151] The standard temperature data setting module for the firing stage is used to set the standard temperature data corresponding to each firing stage in the firing stage matrix, and obtain the standard temperature data matrix for the firing stage;
[0152] The historical firing heat dissipation data acquisition module is used to collect the time difference data, temperature difference data before and after heat dissipation using a heat-resistant exhaust fan, the thermal power data when the industrial furnace to be regulated supplies heat, and the heat dissipation parameter data of the corresponding heat-resistant exhaust fan during the firing process of multiple groups of industrial furnaces to be regulated in history, and obtain the historical firing heat dissipation time difference data set, the historical firing heat dissipation temperature difference data set, the historical firing thermal power data set, and the historical exhaust fan heat dissipation parameter data matrix;
[0153] The temperature difference mapping equation construction module is used to construct the final temperature difference mapping equation using the historical firing heat dissipation time difference data set, the historical firing heat dissipation temperature difference data set, the historical firing thermal power data set, and the historical exhaust fan heat dissipation parameter data matrix;
[0154] The current firing stage data acquisition module is used to obtain the current firing stage set and the current firing stage standard temperature data set according to the standard temperature data corresponding to each stage and the corresponding standard temperature data when the current product to be fired is fired according to the standard temperature data matrix for the firing stage;
[0155] The current firing stage data temperature calculation module is used to calculate the absolute value of the difference between the temperature data at the start time of each firing stage in the current firing stage set and the corresponding standard temperature data according to the current firing stage set and the current firing stage standard temperature data set, and obtain the current firing stage temperature difference data set;
[0156] The current firing stage data to be adjusted acquisition module is used to determine the current firing stage that needs to be adjusted according to the current firing stage temperature difference data set, and obtain the corresponding initial temperature data, standard temperature data, maximum value of the firing temperature time adjustment time, thermal power data for heating the industrial furnace to be regulated, and heat dissipation parameter data of the corresponding heat-resistant exhaust fan, and obtain the current exhaust fan heat dissipation parameter data set to be adjusted, the current thermal power data to be adjusted, and the current maximum adjustment time;
[0157] The mapping module is used to map the current exhaust fan heat dissipation parameter data set to be adjusted, the current thermal power data to be adjusted, and the current maximum adjustment time using the final temperature difference mapping equation to obtain the current temperature difference data to be adjusted;
[0158] The current exhaust fan heat dissipation parameter adjustment module is used to adjust the current exhaust fan heat dissipation parameter data set to be adjusted according to the current temperature difference data to be adjusted, and obtain the current exhaust fan heat dissipation final parameter data set.
[0159] In the description of this specification, the descriptions referring to terms such as "one embodiment", "example", "specific example", etc. mean that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in a suitable manner in any one or more embodiments or examples.
[0160] The preferred embodiments of the invention disclosed above are only used to help explain the invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to the specific embodiments described. Obviously, many modifications and variations can be made according to the content of this specification. These embodiments are selected and specifically described in this specification in order to better explain the principle and practical application of the invention, so that those skilled in the art can well understand and utilize the invention.
Claims
1. A temperature cooling and control method for a heat-resistant exhaust fan of an industrial furnace, characterized in that: The steps include: S1. Setting standard temperature data corresponding to multiple firing stages when firing products corresponding to multiple types of products to be fired using the industrial kiln to be regulated, and obtaining a firing stage standard temperature data matrix; S2, collecting multiple sets of historical data before and after the heat dissipation of the industrial kilns to be regulated by using heat-resistant exhaust fans, and obtaining a historical firing heat dissipation time difference data set, a historical firing heat dissipation temperature difference data set, a historical firing heat power data set, and a historical exhaust fan heat dissipation parameter data matrix; S3, using the historical firing heat dissipation time difference data set, the historical firing heat dissipation temperature difference data set, the historical firing heat power data set and the historical exhaust fan heat dissipation parameter data matrix to construct the final temperature difference mapping equation; Obtain each stage of the current product to be fired according to the firing stage standard temperature data matrix to obtain the current set of stages to be fired; S4, calculating the absolute value of the difference between the temperature data at the start time of each firing stage in the current set of firing stages and the corresponding standard temperature data, determining the current firing stage that needs to be adjusted and obtaining the corresponding data, and obtaining the current exhaust fan heat dissipation parameter data set to be adjusted, the current heat power data to be adjusted, and the current maximum adjustment time; S5. Use the final temperature difference mapping equation to map the current exhaust fan cooling parameter data set to be adjusted, the current thermal power data to be adjusted, and the current maximum adjustment time, and adjust the current exhaust fan cooling parameter data set to be adjusted to obtain the current exhaust fan cooling final parameter data set to be adjusted.
2. The temperature cooling and control method of a heat-resistant exhaust fan of an industrial furnace according to claim 1, characterized in that: The S1 comprises the following steps: S11, setting multiple firing stages when the industrial kiln to be regulated is used to fire products corresponding to multiple types of products to be fired, and obtaining a firing stage matrix; S12, setting the standard temperature data corresponding to each firing stage in the firing stage matrix to obtain a firing stage standard temperature data matrix.
3. The temperature cooling and control method of a heat-resistant exhaust fan of an industrial furnace according to claim 2, characterized in that: The S2 comprises the following steps: S21, collecting multiple sets of historical time difference data and temperature difference data before and after the heat-resistant exhaust fan is used to dissipate heat during the firing process of the industrial kiln to be regulated, as well as the corresponding heat power data of the industrial kiln to be regulated when supplying heat, to obtain a historical firing heat dissipation time difference data set, a historical firing heat dissipation temperature difference data set, and a historical firing heat power data set; S22, collecting parameter data affecting the heat dissipation capacity of the heat-resistant exhaust fan corresponding to each group of historical firing parameter data in the historical firing parameter data matrix, and obtaining a historical exhaust fan heat dissipation parameter data matrix.
4. The temperature cooling and control method of a heat-resistant exhaust fan of an industrial furnace according to claim 3, characterized in that: The S3 comprises the following steps: S31, constructing a final temperature difference mapping equation using the historical exhaust fan heat dissipation parameter data matrix, the historical firing heat dissipation time difference data set, the historical firing heat power data set, and the historical firing heat dissipation temperature difference data set; S32, setting the current product to be fired; obtaining each stage of the current product to be fired and the corresponding standard temperature data during firing according to the product type set to be fired, the firing stage matrix and the firing stage standard temperature data matrix, and obtaining the current stage set to be fired and the current stage standard temperature data set to be fired.
5. The temperature cooling and controlling method of a heat-resistant exhaust fan of an industrial furnace according to claim 4, characterized in that: The S31 comprises the following steps: S311, constructing an initial temperature difference mapping equation according to the historical exhaust fan heat dissipation parameter data matrix, the historical firing heat dissipation time difference data set, the historical firing heat power data set, and the historical firing heat dissipation temperature difference data set; S312, substituting the historical firing heat dissipation time difference data set, the historical firing heat power data set, and the historical exhaust fan heat dissipation parameter data matrix into the initial temperature difference mapping equation for mapping, to obtain a historical initial temperature difference mapping data set; S313, setting a temperature difference data error threshold; calculating the Euclidean distance between the historical initial temperature difference mapping data set and the historical firing heat dissipation temperature difference data set to obtain temperature difference error data; When the temperature difference error data is greater than or equal to the temperature difference data error threshold, the initial temperature difference mapping equation is adjusted until the temperature difference error data is less than the temperature difference data error threshold, and the final temperature difference mapping equation is obtained; otherwise, the initial temperature difference mapping equation does not need to be adjusted, and the initial temperature difference mapping equation is used as the final temperature difference mapping equation.
6. The temperature cooling and controlling method of a heat-resistant exhaust fan of an industrial furnace according to claim 5, characterized in that: In S313, the initial temperature difference mapping equation is adjusted using the firefly optimization algorithm.
7. The temperature cooling and control method of a heat-resistant exhaust fan of an industrial furnace according to claim 6, characterized in that: The S4 comprises the following steps: S41, measuring the temperature data in the industrial kiln to be regulated at the beginning of each firing stage in the current firing stage set, and obtaining an initial temperature data set of the current firing stage; calculating the absolute value of the difference between the initial temperature data set of the current firing stage and the corresponding temperature data in the standard temperature data set of the current firing stage, and obtaining a temperature difference data set of the current firing stage; S42, set the current temperature difference threshold ; When the temperature difference data of the current firing stage to be adjusted exists in the temperature difference data set of the current firing stage to be adjusted, the current firing stage is recorded as the current firing stage to be adjusted; the initial temperature data of the current firing stage to be adjusted is set to e7, the standard temperature data is set to e8, and the maximum value of the firing temperature time adjustment time is recorded as the current maximum adjustment time; The various parameter data of the heat-resistant exhaust fan corresponding to the current firing stage to be adjusted and the thermal power data of the heating of the industrial kiln to be adjusted are obtained to obtain the heat dissipation parameter data set of the current exhaust fan to be adjusted and the current thermal power data to be adjusted.
8. The temperature cooling and controlling method of a heat-resistant exhaust fan of an industrial furnace according to claim 7, characterized in that: The S5 comprises the following steps: S51, inputting the exhaust fan heat dissipation parameter data set to be adjusted, the heat power data to be adjusted and the current maximum value of the adjustment time into the final temperature difference mapping equation for mapping, and obtaining the current temperature difference data to be adjusted e6; S52, when the current firing stage to be adjusted is a heating stage and Or the current firing stage to be adjusted is the cooling stage and When the cooling parameter data set of the exhaust fan to be adjusted is not needed, the cooling parameter data set of the exhaust fan to be adjusted is used as the final cooling parameter data set of the exhaust fan to be adjusted; otherwise, the cooling parameter data set of the exhaust fan to be adjusted is adjusted to obtain the final cooling parameter data set of the exhaust fan to be adjusted.
9. The temperature cooling and controlling method of a heat-resistant exhaust fan of an industrial furnace according to claim 8, characterized in that: The step of adjusting the exhaust fan heat dissipation parameter data set to be adjusted in S52 includes the following steps: S521, constructing a firefly population for adjusting the heat dissipation parameters of the exhaust fan; setting the maximum number of iterations of the firefly population for adjusting the heat dissipation parameters of the exhaust fan to d3 and the current number of iterations to d4, which are recorded as the maximum number of iterations for parameter adjustment and the current number of iterations for parameter adjustment respectively; S522, setting the value interval of the parameter data corresponding to each exhaust fan heat dissipation parameter type to obtain a heat dissipation parameter value interval set; setting the exhaust fan heat dissipation parameter according to the heat dissipation parameter value interval set to adjust the initial position of each firefly in the firefly population to obtain a second initial position matrix; S523, setting the heat dissipation parameters of the exhaust fan to adjust the fitness function of the firefly population; S524, start iteration; in each round of iteration, use the exhaust fan heat dissipation parameter to adjust the fitness function of the firefly population and calculate the fitness value of the position of each firefly in the firefly population adjusted by the exhaust fan heat dissipation parameter updated in the previous round of iteration in conjunction with the final temperature difference mapping equation, and update the position of each firefly in the firefly population adjusted by the exhaust fan heat dissipation parameter updated in the previous round of iteration; S525, when When , stop the iteration and get the second final global optimal position; otherwise, continue to iterate until ; taking the second final global optimal position as the parameter data set after the heat dissipation optimization of the exhaust fan to be adjusted; inputting the parameter data set after the heat dissipation optimization of the exhaust fan to be adjusted, the current thermal power data to be adjusted and the current maximum value of the adjustment time into the final temperature difference mapping equation for mapping, and obtaining the current temperature difference data e9 after the optimization to be adjusted; replacing the current temperature difference data e6 after the optimization to be adjusted with the current temperature difference data e9; When the current firing stage to be adjusted is a heating stage and Or the current firing stage to be adjusted is the cooling stage and When the optimized parameter data set of the exhaust fan heat dissipation to be adjusted is used as the final parameter data set of the exhaust fan heat dissipation to be adjusted; otherwise, return to S524 to continue iterating until the current firing stage to be adjusted is the heating stage and Or the current firing stage to be adjusted is the cooling stage and Until then.
10. A system for implementing the temperature cooling and control method of a heat-resistant exhaust fan of an industrial furnace as described in any one of claims 1 to 9.
Citation Information
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