Method, device, equipment and medium for evaluating continuous coating and annealing energy consumption of strip steel

Abstract

The invention provides a strip steel continuous coating and annealing energy consumption evaluation method, device and equipment and a medium, and the method comprises the steps: obtaining the production information of a strip steel production line, and determining the actual total energy consumption per ton of steel of a currently produced steel coil according to the consumption information of a target energy consumption medium and the corrected reference energy consumption of each to-be-produced steel coil, the corrected reference energy consumption is obtained by correcting preset reference energy consumption of the to-be-produced steel coil based on a comparison result of the product parameter information of the to-be-produced steel coil and a preset parameter reference, and the actual total energy consumption per ton of steel is compared with grading standard threshold values corresponding to a plurality of grading standard intervals to obtain the energy consumption grade of the currently produced steel coil. Each grading standard interval is obtained based on the correction reference energy consumption of the current produced steel coil; according to the method, the energy consumption condition of each to-be-produced steel coil can be known in time, accumulation of abnormal energy consumption is avoided, a more accurate grading standard interval and the actual total energy consumption per ton of steel are obtained by correcting the reference energy consumption, the energy consumption change trend can be predicted more accurately, and the reasonability of an adjustable energy consumption decision is improved.

Description

Technical Field

[0001] This application relates to the technical field of steel manufacturing process control, and particularly to a method, device, equipment and medium for evaluating the energy consumption of continuous strip coating and annealing. Background Art

[0002] Continuous annealing, galvanizing and color coating production lines for strip steel are important components of the modern steel industry, and their energy consumption management has always been a key link in enhancing the competitiveness of enterprises. In order to achieve the goal of energy conservation and emission reduction, a number of production standards for evaluating the energy efficiency of processes and the energy consumption limit per unit product have been formulated. The implementation of these production standards not only helps to improve the economic benefits of enterprises, but also promotes the green development of the entire industry.

[0003] However, in actual operation, the cycle of energy consumption statistical data for steel coil production is relatively long, mostly counted once a month, and mainly relies on manual records.

[0004] The main defect of the above traditional energy consumption management method is that manual statistics are adopted, which not only has a large workload, but also has low accuracy. It cannot reflect the energy consumption of a single steel coil at any time, and cannot make timely adjustments and take measures to reduce energy consumption. Moreover, due to the many specifications and steel types of coated and annealed products, a unified measurement standard cannot be used to evaluate energy consumption, and related technologies cannot meet the needs of evaluating multiple specifications and steel types. Summary of the Invention

[0005] The present invention provides a method, device, equipment and medium for evaluating the energy consumption of continuous strip coating and annealing to solve the above technical problem of being unable to monitor and evaluate the energy consumption of a single steel coil in a timely manner.

[0006] In one embodiment of the present application, the present application provides a method for evaluating the energy consumption of continuous strip coating and annealing, including: obtaining production information of a strip steel production line, where the production information includes target energy consumption medium consumption information and product parameter information of multiple steel coils to be produced during the current operation, and the strip steel production line is used to represent the production line for continuously coating and annealing the steel coils to be produced; determining the actual total energy consumption per ton of the currently produced steel coil according to the target energy consumption medium consumption information and the corrected reference energy consumption of each steel coil to be produced, where the corrected reference energy consumption is obtained by correcting the preset reference energy consumption of the steel coil to be produced based on the comparison result between the product parameter information of the steel coil to be produced and a preset parameter reference; comparing the actual total energy consumption per ton with the grading standard thresholds corresponding to multiple grading standard intervals to obtain the energy consumption grade of the currently produced steel coil, and each grading standard interval is obtained based on the corrected reference energy consumption of the currently produced steel coil.

[0007] In an embodiment of the present application, the product parameter information includes the actual production information of a plurality of objective production factors, and the preset parameter benchmark includes the standard production information of each of the objective production factors; the corrected benchmark energy consumption is obtained by correcting the preset benchmark energy consumption of the steel coil to be produced based on the comparison result between the product parameter information of the steel coil to be produced and the preset parameter benchmark, and includes: determining the actual energy consumption correction amount of an objective production factor according to the actual difference between the actual production information and the standard production information of the objective production factor, and the preset energy consumption correction standard of the objective production factor; correcting the preset benchmark energy consumption of the steel coil to be produced according to the sum of the actual energy consumption correction amounts of each of the objective production factors to obtain the corrected benchmark energy consumption.

[0008] In an embodiment of the present application, determining the actual energy consumption correction amount of an objective production factor according to the actual difference between the actual production information and the standard production information of the objective production factor, and the preset energy consumption correction standard of the objective production factor, includes: if the objective production factor is the product thickness or product width in the product conditions, or the ambient temperature in the climate conditions, then based on the first actual change amount between the first actual product value and the first standard product value, and the preset first change amount, preset first energy consumption correction value, and preset benchmark energy consumption, determining the actual energy consumption correction amount of the objective production factor, where the preset first change amount is inversely proportional to the preset first energy consumption correction value; if the objective production factor is the annealing heating temperature or annealing holding time in the product conditions, then based on the second actual change amount between the second actual product value and the second standard product value, and the preset second change amount, preset second energy consumption correction value, and the preset annealing furnace heating energy consumption, obtaining the actual energy consumption correction amount of the objective production factor, where the preset second change amount is directly proportional to the preset second energy consumption correction value; where the first actual product value is used to represent the value of the product thickness or product width or ambient temperature in the actual production information, the first standard product value is used to represent the value of the product thickness or product width or ambient temperature in the standard production information, the second actual product value is used to represent the value of the annealing heating temperature or annealing holding time in the actual production information, and the second standard product value is used to represent the value of the annealing heating temperature or annealing holding time in the standard production information.

[0009] In an embodiment of the present application, based on the actual difference between the actual production information of an objective production factor and the standard production information, and the preset energy consumption correction standard of the objective production factor, the actual energy consumption correction amount of the objective production factor is determined, including: if the objective production factor is the annealing method in the process conditions and the annealing method changes from the USS method to the improved Sendzimir method, then reducing the preset heating energy consumption of the annealing furnace by a preset third energy consumption correction value, which is determined as the actual energy consumption correction amount of the objective production factor; if the objective production factor is the type of gas for heating the annealing furnace in the process conditions and the type of gas for heating the annealing furnace changes from natural gas to coke oven gas and blast furnace gas, increasing the preset heating energy consumption of the annealing furnace by a preset fourth energy consumption correction value, which is determined as the actual energy consumption correction amount of the objective production factor; wherein, the standard production information includes the USS method or natural gas, and the actual production information includes the improved Sendzimir method, or the coke oven gas and the blast furnace gas.

[0010] In an embodiment of the present application, based on the target energy consumption medium consumption information and the corrected reference energy consumption of each steel coil to be produced, the actual total energy consumption per ton of the currently produced steel coil is determined, including: based on the first energy medium consumption information and the qualified weight of the currently produced steel coil, determining the energy consumption per ton of steel coil production of the currently produced steel coil; based on the second energy medium consumption information and the corrected reference energy consumption of each steel coil to be produced, determining the amortized energy consumption per ton of steel coil of the currently produced steel coil; determining the sum of the energy consumption per ton of steel coil production and the amortized energy consumption per ton of steel coil as the actual total energy consumption per ton of the currently produced steel coil; wherein, the target energy consumption medium consumption information includes the first energy medium consumption information during the production of the currently produced steel coil, and the second energy medium consumption information during the previous shutdown maintenance and the current production preparation period, which is amortized to each steel coil to be produced during the current operation, and the production information further includes the qualified weight of the currently produced steel coil.

[0011] In an embodiment of the present application, based on the second energy medium consumption information and the corrected reference energy consumption of each steel coil to be produced, the amortized energy consumption per ton of steel coil of the currently produced steel coil is determined, including: determining the proportion of the corrected reference energy consumption of the currently produced steel coil in the total sum of the corrected reference energy consumption of all steel coils to be produced as the amortization ratio of the currently produced steel coil; determining the amortized energy consumption per ton of steel coil of the currently produced steel coil according to the second energy medium consumption information and the amortization ratio.

[0012] In an embodiment of the present application, the data statistics of the production information include: if the current production steel coil has entered the thermal furnace, the initial moment when the current production steel coil enters the thermal furnace is determined as the first start measurement moment, and the initial moment when the next steel coil to be produced enters the thermal furnace is determined as the first end measurement moment, so as to count the consumption of various first energy sources and various first media during the production of the current production steel coil, and obtain the first energy medium consumption information; if there is a shutdown and maintenance of the strip production line, the previous shutdown moment of the strip production line is determined as the second start measurement moment, and after the strip production line completes the shutdown and maintenance, the qualified moment of the first steel coil to be produced in this operation is determined as the second end measurement moment, so as to count the consumption of various second energy sources and various second media during the previous shutdown and maintenance and the current production preparation period, and obtain the second energy medium consumption information; if the current production steel coil is at the offline outlet of the strip production line, the offline completion moment of the current production steel coil is determined as the weighing moment, so as to weigh and obtain the qualified finished weight of the current production steel coil.

[0013] In an embodiment of the present application, the present application provides a strip continuous coating and annealing energy consumption evaluation device, including: an information acquisition module, configured to acquire the production information of the strip production line, where the production information includes target energy consumption medium consumption information and product parameter information of multiple steel coils to be produced in this operation, and the strip production line is used to represent the production line for continuously coating and annealing the steel coils to be produced; an actual energy consumption determination module, configured to determine the actual total energy consumption per ton of the current production steel coil according to the target energy consumption medium consumption information and the corrected reference energy consumption of each steel coil to be produced, where the corrected reference energy consumption is obtained by correcting the preset reference energy consumption of the steel coil to be produced based on the comparison result between the product parameter information of the steel coil to be produced and the preset parameter reference; an energy consumption level determination module, configured to compare the actual total energy consumption per ton with the grading standard thresholds corresponding to multiple grading standard intervals to obtain the energy consumption level of the current production steel coil, and each grading standard interval is obtained based on the corrected reference energy consumption of the current production steel coil.

[0014] In an embodiment of the present application, the present application provides an electronic device, where the electronic device includes: one or more processors; a storage device, configured to store one or more programs, and when the one or more programs are executed by the one or more processors, the electronic device implements the strip continuous coating and annealing energy consumption evaluation method according to any one of the above embodiments.

[0015] In an embodiment of the present application, the present application provides a computer-readable storage medium, on which a computer program is stored, and when the computer program is executed by a processor of a computer, the computer executes the strip continuous coating and annealing energy consumption evaluation method according to any one of the above embodiments.

[0016] Advantages of the embodiments of the present invention: The present application provides a method, device, equipment and medium for evaluating the energy consumption of continuous strip coating and annealing. In the embodiments of the present invention, by obtaining the target energy medium consumption information during the production process of the strip production line, calculating the actual total energy consumption per ton of the currently produced steel coil, and then comparing according to multiple grading standard intervals, energy consumption rating is achieved, which can timely understand the energy consumption of each steel coil to be produced and avoid the accumulation of abnormal energy consumption; moreover, based on the comparison result between the actual product parameter information and the preset parameter benchmark, the preset benchmark energy consumption of the steel coil to be produced can be corrected to obtain the corrected benchmark energy consumption, so as to obtain a more accurate grading standard interval and actual total energy consumption per ton, and can also more accurately predict the change trend of energy consumption, which can improve the rationality of energy consumption adjustment decisions.

[0017] It should be understood that the above general description and the following detailed description are only exemplary and explanatory, and cannot limit the present application. Brief Description of the Drawings

[0018] The drawings here are incorporated into the specification and constitute a part of this specification, showing the embodiments that conform to the present application, and are used together with the specification to explain the principles of the present application. Obviously, the drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts. In the drawings:

[0019] Figure 1 A schematic diagram showing an exemplary system architecture to which the technical solution of the embodiments of the present application can be applied;

[0020] Figure 2 A schematic flow chart showing the method for evaluating the energy consumption of continuous strip coating and annealing according to an embodiment of the present application;

[0021] Figure 3 A block diagram showing the device for evaluating the energy consumption of continuous strip coating and annealing according to an embodiment of the present application;

[0022] Figure 4 A schematic diagram showing the structure of a computer system of an electronic device suitable for implementing the embodiments of the present application. Detailed Embodiments

[0023] The following uses specific specific examples to illustrate the implementation manners of the present application. Those skilled in the art can easily understand other advantages and effects of the present application from the content disclosed in this specification. The present application can also be implemented or applied through other different specific implementation manners. Various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of the present application. It should be noted that, without conflict, the following embodiments and the features in the embodiments can be combined with each other.

[0024] It should be noted that the diagrams provided in the following embodiments only illustrate the basic concept of the present application in a schematic manner. Therefore, only the components related to the present application are shown in the diagrams, rather than being drawn according to the number, shape, and size of the components in actual implementation. The form, quantity, and ratio of each component in actual implementation can be arbitrarily changed, and the layout form of its components may also be more complex.

[0025] In the following description, a large number of details are explored to provide a more thorough explanation of the embodiments of the present application. However, it is obvious to those skilled in the art that the embodiments of the present application can be implemented without these specific details. In other embodiments, well-known structures and devices are shown in the form of block diagrams rather than in detail to avoid making the embodiments of the present application difficult to understand.

[0026] Please refer to Figure 1 , Figure 1 which shows a schematic diagram of an exemplary system architecture to which the technical solution of the embodiments of the present application can be applied. As Figure 1 shown, the system architecture may include a computer device 101 and a strip production line 102. Among them, the computer device 101 may be at least one of a general computer, a programmable logic controller (PLC), etc. After the computer device 101 obtains the production information of the strip production line, it determines the energy consumption level of the currently produced steel coil.

[0027] Exemplarily, the computer device 101 obtains the production information of the strip production line. The production information includes target energy consumption medium consumption information and product parameter information of multiple steel coils to be produced during this operation. The strip production line is used to represent the production line for continuously coating and annealing the steel coils to be produced; based on the target energy consumption medium consumption information and the corrected reference energy consumption of each steel coil to be produced, the actual total energy consumption per ton of the currently produced steel coil is determined. The corrected reference energy consumption is obtained by correcting the preset reference energy consumption of the steel coil to be produced based on the comparison result between the product parameter information of the steel coil to be produced and the preset parameter reference; the actual total energy consumption per ton is compared with the grading standard thresholds corresponding to multiple grading standard intervals to obtain the energy consumption level of the currently produced steel coil. Each grading standard interval is obtained based on the corrected reference energy consumption of the currently produced steel coil.

[0028] In the related art, there are technical problems such as the inability to monitor and evaluate the energy consumption of a single steel coil in a timely manner.

[0029] To solve the above technical problems, the present application provides a method, device, equipment, and medium for evaluating the energy consumption of continuous strip coating and annealing. The implementation details of the technical solution of the embodiments of the present application are elaborated in detail below.

[0030] Please refer toFigure 2 , Figure 2 shows a schematic flow chart of an energy consumption evaluation method for continuous strip coating and annealing according to an embodiment of the present application. As Figure 2 shown, in an exemplary embodiment, the energy consumption evaluation method for continuous strip coating and annealing at least includes steps S210 to S230, which are introduced in detail as follows:

[0031] Step S210, obtain the production information of the strip production line.

[0032] Among them, the production information includes the target energy consumption medium consumption information and the product parameter information of multiple steel coils to be produced during this operation. The strip production line is used to represent the production line for continuous strip coating and annealing of the steel coils to be produced.

[0033] In an embodiment of the present application, the steel coils to be produced are strips.

[0034] In an embodiment of the present application, the data statistics of the production information include: if the current production steel coil has entered the thermal furnace, the initial moment when the current production steel coil enters the thermal furnace is determined as the first start measurement moment, and the initial moment when the next steel coil to be produced enters the thermal furnace is determined as the first end measurement moment, so as to count the consumption of various first energies and various first media during the production of the current production steel coil, and obtain the first energy medium consumption information; if there is a shutdown and maintenance of the strip production line, the previous shutdown moment of the strip production line is determined as the second start measurement moment, and after the strip production line completes the shutdown and maintenance, the qualified moment of the first steel coil to be produced during this operation is determined as the second end measurement moment, so as to count the consumption of various second energies and various second media during the previous shutdown and maintenance and the current production preparation period, and obtain the second energy medium consumption information; if the current production steel coil is at the offline outlet of the strip production line, the offline completion moment of the current production steel coil is determined as the weighing moment, so as to weigh and obtain the qualified finished product weight of the current production steel coil.

[0035] In an embodiment of the present application, the types of energy include gas, electricity, etc.; among them, gas includes coal gas or natural gas, etc. The types of media include circulating water, compressed air, nitrogen, hydrogen, steam, liquid ammonia, etc.

[0036] In an embodiment of the present application, the target energy consumption medium consumption information is converted into standard coal quantity during the data statistics process.

[0037] In an embodiment of the present application, the qualified finished product weight does not include the unqualified finished product weight and the packaging weight.

[0038] In one embodiment of the present application, the present application can clearly determine the consumption of various types of energy and various types of media during the period from when each steel coil to be produced enters the thermal furnace to when the next steel coil to be produced enters the thermal furnace. This can avoid errors in energy consumption calculation caused by inconsistent production cycles or spanning multiple production batches, ensure the accuracy of energy consumption data, and by separately tracking the energy consumption of each steel coil to be produced during the production cycle, it can help identify the energy consumption of each production link, especially high-energy-consuming links such as thermal furnaces.

[0039] Step S220: Determine the actual total energy consumption per ton of the current produced steel coil according to the target energy consumption medium consumption information and the corrected reference energy consumption of each steel coil to be produced. The corrected reference energy consumption is obtained by correcting the preset reference energy consumption of the steel coil to be produced based on the comparison result between the product parameter information of the steel coil to be produced and the preset parameter reference.

[0040] In one embodiment of the present application, the product parameter information includes the actual production information of multiple objective production factors, and the preset parameter reference includes the standard production information of each objective production factor; the corrected reference energy consumption is obtained by correcting the preset reference energy consumption of the steel coil to be produced based on the comparison result between the product parameter information of the steel coil to be produced and the preset parameter reference, including: determining the actual energy consumption correction amount of an objective production factor according to the actual difference between the actual production information and the standard production information of an objective production factor, and the preset energy consumption correction standard of the objective production factor; correcting the preset reference energy consumption of the steel coil to be produced according to the sum of the actual energy consumption correction amounts of each objective production factor to obtain the corrected reference energy consumption.

[0041] In one embodiment of the present application, the preset parameter reference is used to represent the standard production information of a preset standard product under multiple subjective production factors and the standard production information under multiple objective production factors, and the preset reference energy consumption is the unit total energy consumption of the preset standard product under the preset parameter reference. Among them, the unit total energy consumption can be the energy consumption consumed per ton of steel in producing the preset standard product.

[0042] In one embodiment of the present application, the types of subjective production factors include enterprise management level, technical equipment level, and operation level.

[0043] In one embodiment of the present application, the types of objective production factors include raw material conditions, product conditions, process conditions, and climate conditions.

[0044] In one embodiment of the present application, the preset reference energy consumption is obtained based on various production standards or based on the average value of historical energy consumption data.

[0045] In one embodiment of the present application, if the production standard corresponding to a steel coil to be produced is missing, it is obtained based on the average value of the historical energy consumption data of the steel coil to be produced.

[0046] In an embodiment of the present application, the production standard is the national standard or the industry standard.

[0047] In an embodiment of the present application, the raw material conditions include the types of raw materials; the product conditions include the product thickness, product width, coating type, post-treatment type, annealing heating temperature, annealing holding time, etc.; the process conditions include the annealing method, the type of gas for annealing furnace heating, the air knife medium, etc. The climate conditions include the ambient temperature, etc.

[0048] In an embodiment of the present application, under the preset parameter reference, the preset annealing furnace heating energy consumption will be calculated separately to obtain the preset reference energy consumption of the preset standard product.

[0049] In an embodiment of the present application, the preset reference energy consumption is calculated by gas heating or electric heating at the heating method level.

[0050] In an embodiment of the present application, the unit of the preset reference energy consumption is kilograms of standard coal per ton (kgce / t).

[0051] In an embodiment of the present application, according to the actual difference between the actual production information and the standard production information of an objective production factor, and the preset energy consumption correction standard of the objective production factor, the actual energy consumption correction amount of the objective production factor is determined, including: if the objective production factor is the product thickness or product width in the product conditions, or the ambient temperature in the climate conditions, then based on the first actual change amount between the first actual product value and the first standard product value, as well as the preset first change amount, preset first energy consumption correction value, and preset reference energy consumption, the actual energy consumption correction amount of the objective production factor is determined, and the preset first change amount is inversely proportional to the preset first energy consumption correction value; if the objective production factor is the annealing heating temperature or annealing holding time in the product conditions, then based on the second actual change amount between the second actual product value and the second standard product value, as well as the preset second change amount, preset second energy consumption correction value, and the preset annealing furnace heating energy consumption, the actual energy consumption correction amount of the objective production factor is obtained, and the preset second change amount is proportional to the preset second energy consumption correction value; wherein, the first actual product value is used to represent the value of the product thickness, product width, or ambient temperature in the actual production information, the first standard product value is used to represent the value of the product thickness, product width, or ambient temperature in the standard production information, the second actual product value is used to represent the value of the annealing heating temperature or annealing holding time in the actual production information, and the second standard product value is used to represent the value of the annealing heating temperature or annealing holding time in the standard production information.

[0052] In an embodiment of the application, the actual difference includes the first actual change amount and the second actual change amount, and the preset difference includes the preset first change amount and the preset second change amount.

[0053] In an embodiment of the application, if the first actual change amount is an integral multiple of the preset first change amount, then based on the integral multiple, the preset first energy consumption correction value, and the preset reference energy consumption, determine the actual energy consumption correction amount of the objective production factor; if the first actual change amount is not an integral multiple of the preset first change amount, then interpolate or extrapolate the preset first energy consumption correction value based on the first actual change amount and the preset first change amount, and determine the actual energy consumption correction amount of the objective production factor according to the interpolated or extrapolated preset first energy consumption correction value and the preset reference energy consumption.

[0054] In a second embodiment of the application, if the second actual change amount is an integral multiple of the preset second change amount, then based on the integral multiple, the preset second energy consumption correction value, and the preset annealing furnace heating energy consumption, determine the actual energy consumption correction amount of the objective production factor; if the second actual change amount is not an integral multiple of the preset second change amount, then interpolate or extrapolate the preset second energy consumption correction value based on the second actual change amount and the preset second change amount, and determine the actual energy consumption correction amount of the objective production factor according to the interpolated or extrapolated preset second energy consumption correction value and the preset annealing furnace heating energy consumption.

[0055] In an embodiment of the present application, determine the actual energy consumption correction amount of the objective production factor according to the actual difference between the actual production information and the standard production information of an objective production factor, and the preset energy consumption correction standard of the objective production factor, including: if the objective production factor is the annealing method in the process conditions, and the annealing method changes from the USS method to the improved Sendzimir method, then reduce the preset annealing furnace heating energy consumption by the preset third energy consumption correction value, and determine it as the actual energy consumption correction amount of the objective production factor; if the objective production factor is the type of gas for annealing furnace heating in the process conditions, and the type of gas for annealing furnace heating changes from natural gas to coke oven gas and blast furnace gas, increase the preset annealing furnace heating energy consumption by the preset fourth energy consumption correction value, and determine it as the actual energy consumption correction amount of the objective production factor; wherein, the standard production information includes the USS method or natural gas, and the actual production information includes the improved Sendzimir method, or coke oven gas and blast furnace gas.

[0056] In an embodiment of the application, the determination of the actual energy consumption correction amount of the objective production factor is as follows:

[0057] Table 1 Determination method of the actual energy consumption correction amount of the objective production factor

[0058]

[0059]

[0060] Wherein, English letters are used to represent numerical values; the preset target energy consumption correction values include the preset first energy consumption correction value, the preset second energy consumption correction value, the preset third energy consumption correction value, and the preset fourth energy consumption correction value.

[0061] In an embodiment of the application, referring to Table 1, for the product thickness in Table 1, the actual difference and the preset difference are in integral multiples. The positive value in the actual difference represents the increased amount compared to the standard production information. Then, the actual energy consumption correction amount for the product thickness is to reduce the preset benchmark energy consumption by 2×a%.

[0062] In an embodiment of the application, referring to Table 1, for the product width in Table 1, the actual difference and the preset difference are not in integral multiples. The negative value in the actual difference represents the decreased amount compared to the standard production information. Then, the actual energy consumption correction amount for the product width obtained by interpolation is to increase the preset benchmark energy consumption by 0.2×b%.

[0063] In an embodiment of the application, referring to Table 1, for the annealing heating temperature in Table 1, the actual difference and the preset difference are not in integral multiples. The actual energy consumption correction amount for the product width obtained by extrapolation is to increase the preset annealing furnace heating energy consumption by 1.5×c%.

[0064] In an embodiment of the application, referring to Table 1, if the actual difference in the annealing method is the improved Sendzimir method, then the actual energy consumption correction amount for the annealing method is to reduce the preset annealing furnace heating energy consumption by e%.

[0065] In an embodiment of the present application, according to the sum of the actual energy consumption correction amounts of each objective production factor, the preset benchmark energy consumption of the steel coil to be produced is corrected to obtain the corrected benchmark energy consumption, including: adding the sum of the actual energy consumption correction amounts of all objective production factors to the preset benchmark energy consumption of the steel coil to be produced to obtain the corrected benchmark energy consumption.

[0066] In an embodiment of the present application, the determination of the corrected benchmark energy consumption of the steel coil to be produced is as follows:

[0067]

[0068] Among them, e'0 is the corrected benchmark energy consumption, e0 is the preset benchmark energy consumption, f(x i ' -x i ) is the actual energy consumption correction amount of the i-th objective production factor, x i ' is the actual value of the i-th objective production factor, x i is the standard value of the i-th objective production factor, and m is the total number of objective production factors.

[0069] In an embodiment of the present application, the application calculates the corrected benchmark energy consumption through the actual differences of various objective production factors, avoiding the deviation caused by subjective judgment and estimation. After the preset benchmark energy consumption is corrected, it can more accurately predict the change trend of energy consumption, facilitating energy managers to make more reasonable energy consumption adjustment decisions.

[0070] In one embodiment of the present application, based on the target energy consumption medium consumption information and the corrected benchmark energy consumption of each steel coil to be produced, the actual total energy consumption per ton of the currently produced steel coil is determined, including: determining the energy consumption per ton of steel coil production of the currently produced steel coil based on the first energy medium consumption information and the qualified finished weight of the currently produced steel coil; determining the amortized energy consumption per ton of steel coil of the currently produced steel coil according to the second energy medium consumption information and the corrected benchmark energy consumption of each steel coil to be produced; determining the sum of the energy consumption per ton of steel coil production and the amortized energy consumption per ton of steel coil as the actual total energy consumption per ton of the currently produced steel coil; wherein, the target energy consumption medium consumption information includes the first energy medium consumption information during the production of the currently produced steel coil, and the second energy medium consumption information during the previous shutdown and maintenance and the current production preparation period, which is amortized to each steel coil to be produced during this operation, and the production information also includes the qualified finished weight of the currently produced steel coil.

[0071] In one embodiment of the present application, the present application comprehensively calculates the energy consumption per ton of steel coil production of the currently produced steel coil during the operation of the strip production line, and the amortized energy consumption per ton of steel coil during the previous shutdown and maintenance and the current production preparation period, so as to more comprehensively evaluate the energy consumption of each steel coil to be produced in each stage of the production process. This not only considers the energy consumption during the production process, but also reflects the energy consumption in non-production stages such as shutdown and maintenance, ensuring that the energy consumption calculation is more accurate and objective.

[0072] In one embodiment of the present application, the actual total energy consumption per ton is used to characterize the energy consumption per ton of qualified steel in the currently produced steel coil during the entire continuous coating and annealing process.

[0073] In one embodiment of the present application, the energy consumption per ton of steel coil production = the sum of the consumption of various first energies and various first media / the qualified finished weight.

[0074] In one embodiment of the present application, the unit of the sum of the consumption is kgce. The qualified finished weight is in tons (t).

[0075] In one embodiment of the present application, the energy consumption per ton of steel coil production is used to characterize the energy consumption per ton of qualified steel in the currently produced steel coil during the continuous coating and annealing production process.

[0076] In one embodiment of the present application, the present application calculates the energy consumption per ton of steel coil production based on the total energy consumption during the production of the currently produced steel coil and the actual qualified finished weight, so as to accurately reflect the energy efficiency of each steel coil to be produced, and excludes the packaging weight, only considering the weight of the qualified finished product, making the energy consumption calculation more in line with the actual production situation and avoiding the error caused by packaging.

[0077] In one embodiment of the present application, determining the energy consumption per ton of steel coil amortization for the currently produced steel coil based on the second energy medium consumption information and the corrected benchmark energy consumption of each steel coil to be produced includes: determining the amortization ratio of the currently produced steel coil as the ratio of the corrected benchmark energy consumption of the currently produced steel coil to the total sum of the corrected benchmark energy consumption of all steel coils to be produced; and determining the energy consumption per ton of steel coil amortization for the currently produced steel coil according to the second energy medium consumption information and the amortization ratio.

[0078] In one embodiment of the present application, the energy consumption per ton of steel coil amortization = the total sum of the consumption of various second energy sources and various second media × the corrected benchmark energy consumption of the currently produced steel coil / the total sum of the corrected benchmark energy consumption of all steel coils to be produced.

[0079] In one embodiment of the present application, the energy consumption per ton of steel coil amortization is used to characterize the energy consumption amortized per ton of qualified steel in the currently produced steel coil during shutdown maintenance and the current production preparation period.

[0080] In one embodiment of the present application, by reasonably amortizing the energy consumption during shutdown maintenance and the current production preparation period, the present application can not only improve the calculation accuracy of the energy consumption per ton of steel, but also optimize energy management, save costs, and improve production efficiency.

[0081] Step S230: Comparing the actual total energy consumption per ton of steel with the grading standard thresholds corresponding to multiple grading standard intervals to obtain the energy consumption grade of the currently produced steel coil.

[0082] Among them, each grading standard interval is obtained based on the corrected benchmark energy consumption of the currently produced steel coil.

[0083] In one embodiment of the present application, the present application can trigger energy consumption calculation and grade determination immediately after the currently produced steel coil is offline and the qualified grading and weighing are completed. The whole process realizes automation and intelligence, significantly improving the accuracy and timeliness of energy consumption diagnosis.

[0084] In one embodiment of the present application, each grading standard interval is obtained by dividing with multiple grading standard thresholds, and each grading standard threshold is obtained based on the product of the corrected benchmark energy consumption of the currently produced steel coil and multiple preset percentages.

[0085] In one embodiment of the present application, the number of preset percentages can be set to 4, and each preset percentage can be set to 85%, 95%, 105%, and 115% in sequence. This is only an example.

[0086] In one embodiment of the present application, the grading standard thresholds are successively the corrected reference energy consumption × 85%, the corrected reference energy consumption × 95%, the corrected reference energy consumption × 105%, and the corrected reference energy consumption × 115%. For example, [0, the corrected reference energy consumption × 85%] is determined as the grading standard interval corresponding to the energy consumption level 1, (the corrected reference energy consumption × 85%, the corrected reference energy consumption × 95%] is determined as the grading standard interval corresponding to the energy consumption level 2, (the corrected reference energy consumption × 95%, the corrected reference energy consumption × 105%] is determined as the grading standard interval corresponding to the energy consumption level 3, (the corrected reference energy consumption × 105%, the corrected reference energy consumption × 115%] is determined as the grading standard interval corresponding to the energy consumption level 4, and (the corrected reference energy consumption × 115%, +∞) is determined as the grading standard interval corresponding to the energy consumption level 5, thereby obtaining five grades of energy consumption from good to poor.

[0087] In one embodiment of the present application, the present application can obtain the target energy consumption medium consumption information of each steel coil to be produced in real time during the production process, which helps to timely understand the energy consumption situation and avoid the accumulation of abnormal energy consumption. By calculating the actual total energy consumption per ton of steel, then comparing it according to the grading standard interval, and rating the energy consumption situation. When the energy consumption level exceeds the current effective national standard or industry standard, the staff is alerted, so that measures can be taken in time to reduce the energy consumption.

[0088] Please refer to Figure 3 , Figure 3 , which shows a block diagram of an energy consumption evaluation device for continuous strip coating and annealing according to an embodiment of the present application. This device can be applied to Figure 1 the illustrated implementation environment and is specifically configured in the computer device 101. This device can also be applicable to other exemplary implementation environments and is specifically configured in other devices. This embodiment does not limit the implementation environment applicable to this device.

[0089] As Figure 3 shown, an energy consumption evaluation device 300 for continuous strip coating and annealing according to an embodiment of the present application includes: an information acquisition module 301, an actual energy consumption determination module 302, and an energy consumption level determination module 303.

[0090] Among them, the information acquisition module 301 is used to acquire the production information of the strip production line. The production information includes the target energy consumption medium consumption information and the product parameter information of multiple steel coils to be produced during this operation. The strip production line is used to represent the production line for continuous strip coating and annealing of the steel coils to be produced;

[0091] The actual energy consumption determination module 302 is configured to determine the total actual energy consumption per ton of the currently produced steel coil according to the target energy consumption medium consumption information and the corrected reference energy consumption of each steel coil to be produced. The corrected reference energy consumption is obtained by correcting the preset reference energy consumption of the steel coil to be produced based on the comparison result between the product parameter information of the steel coil to be produced and the preset parameter reference.

[0092] The energy consumption level determination module 303 is configured to compare the total actual energy consumption per ton with the grading standard thresholds corresponding to multiple grading standard intervals to obtain the energy consumption level of the currently produced steel coil. Each grading standard interval is obtained based on the corrected reference energy consumption of the currently produced steel coil.

[0093] It should be noted that the strip continuous coating and annealing energy consumption evaluation device provided in the above embodiment and the strip continuous coating and annealing energy consumption evaluation method provided in the above embodiment belong to the same concept. The specific manners in which each module and unit perform operations have been described in detail in the method embodiment, and will not be elaborated here. In practical applications, the strip continuous coating and annealing energy consumption evaluation device provided in the above embodiment may, according to needs, allocate the above functions to different functional modules, that is, divide the internal structure of the device into different functional modules to complete all or part of the functions described above. This is not limited here either.

[0094] An embodiment of the present application further provides an electronic device, including: one or more processors; a storage device for storing one or more programs. When the one or more programs are executed by the one or more processors, the electronic device implements the strip continuous coating and annealing energy consumption evaluation method provided in each of the above embodiments.

[0095] Please refer to Figure 4 , Figure 4 which shows a schematic structural diagram of a computer system of an electronic device suitable for implementing the embodiments of the present application. It should be noted that Figure 4 the computer system 400 of the electronic device shown is only an example, and should not bring any limitation to the functions and usage scope of the embodiments of the present application.

[0096] Such as Figure 4As shown, the computer system 400 includes a Central Processing Unit (CPU) 401, which can perform various appropriate actions and processes according to the program stored in the Read-Only Memory (ROM) 402 or the program loaded from the storage section 408 into the Random Access Memory (RAM) 403, such as executing the method in the above embodiments. In the RAM 403, various programs and data required for system operation are also stored. The CPU 401, ROM 402, and RAM 403 are connected to each other via a bus 404. An Input / Output (I / O) interface 405 is also connected to the bus 404.

[0097] The following components are connected to the I / O interface 405: an input section 406 including a keyboard, a mouse, etc.; an output section 407 including, for example, a Cathode Ray Tube (CRT), a Liquid Crystal Display (LCD), etc., and a speaker, etc.; a storage section 408 including a hard disk, etc.; and a communication section 409 including a network interface card such as a LAN (Local Area Network) card, a modem, etc. The communication section 409 performs communication processing via a network such as the Internet. A drive 410 is also connected to the I / O interface 405 as needed. A removable medium 411, such as a magnetic disk, an optical disk, a magneto-optical disk, a semiconductor memory, etc., is installed on the drive 410 as needed so that a computer program read from it can be installed into the storage section 408 as needed.

[0098] Specifically, according to an embodiment of the present application, the process described above with reference to the flowchart can be implemented as a computer software program. For example, an embodiment of the present application includes a computer program product, which includes a computer program carried on a computer-readable medium, and the computer program includes a computer program for executing the method shown in the flowchart. In such an embodiment, the computer program can be downloaded and installed from the network via the communication section 409, and / or installed from the removable medium 411. When the computer program is executed by the Central Processing Unit (CPU) 401, various functions defined in the system of the present application are executed.

[0099] It should be noted that the computer-readable medium shown in the embodiments of the present application can be a computer-readable signal medium, a computer-readable storage medium, or any combination of the two. A computer-readable storage medium can be, for example, an electrical, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the above. More specific examples of the computer-readable storage medium may include, but are not limited to: an electrical connection with one or more wires, a portable computer disk, a hard disk, a random access memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM), a flash memory, an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the above. In the present application, a computer-readable signal medium may include a data signal propagated in a baseband or as part of a carrier wave, which carries a computer-readable computer program. Such a propagated data signal can take various forms, including but not limited to electromagnetic signals, optical signals, or any suitable combination of the above. A computer-readable signal medium can also be any computer-readable medium other than a computer-readable storage medium, which can send, propagate, or transmit a program for use by or in conjunction with an instruction execution system, apparatus, or device. The computer program contained on the computer-readable medium can be transmitted by any appropriate medium, including but not limited to: wireless, wired, etc., or any suitable combination of the above.

[0100] The flowcharts and block diagrams in the accompanying drawings illustrate the possible architectures, functions, and operations of systems, methods, and computer program products according to various embodiments of the present application. Among them, each block in the flowchart or block diagram may represent a module, a program segment, or a part of code, and the above module, program segment, or part of code contains one or more executable instructions for implementing the specified logical function. It should also be noted that in some alternative implementations, the functions marked in the blocks may occur in a different order from that marked in the accompanying drawings. For example, two consecutive blocks shown may actually be executed substantially in parallel, and they may sometimes be executed in the reverse order, depending on the functions involved. It should also be noted that each block in the block diagram or flowchart, as well as the combination of blocks in the block diagram or flowchart, can be implemented by a dedicated hardware-based system for performing the specified functions or operations, or can be implemented by a combination of dedicated hardware and computer instructions.

[0101] The units involved in the embodiments described in this application can be implemented in software or in hardware, and the described units can also be provided in a processor. Among them, the names of these units do not, in some cases, constitute a limitation on the units themselves. Therefore, the technical solutions according to the embodiments of this application can be embodied in the form of a software product, which can be stored in a non-volatile storage medium (which can be a CD-ROM, a USB flash drive, a mobile hard disk, etc.) or on a network, including several instructions to enable a computing device (which can be a personal computer, a server, a touch terminal, or a network device, etc.) to execute the method according to the embodiments of this application.

[0102] Another aspect of this application also provides a computer-readable storage medium, on which a computer program is stored. When the computer program is executed by a processor of the computer, the computer is enabled to execute the strip continuous coating and annealing energy consumption evaluation method provided in each of the above embodiments. The computer-readable storage medium can be included in the electronic device described in the above embodiments, or can exist alone without being assembled into the electronic device.

[0103] In the above embodiments, unless otherwise specified, when using serial numbers such as "first" and "second" to describe a common object, it only represents different instances referring to the same object, rather than indicating that the object to be described must be in a given order, whether in terms of time, space, sorting, or any other way.

[0104] The above embodiments are only used to exemplarily illustrate the principles and effects of this application, rather than to limit this application. Any person familiar with this technology can modify or change the above embodiments without departing from the spirit and scope of this application. Therefore, all equivalent modifications or changes completed by those with ordinary knowledge in the technical field without departing from the spirit and technical ideas disclosed in this application should still be covered by the claims of this application.

Claims

1. A method for evaluating the energy consumption of continuous strip coating and annealing, characterized in that, The method includes: Obtaining production information of a strip steel production line, where the production information includes target energy consumption medium consumption information and product parameter information of multiple steel coils to be produced in the current operation, and the strip steel production line is used to represent the production line for continuously coating and annealing the steel coils to be produced; Determining the actual total energy consumption per ton of the currently produced steel coil according to the target energy consumption medium consumption information and the corrected reference energy consumption of each steel coil to be produced, where the corrected reference energy consumption is obtained by correcting the preset reference energy consumption of the steel coil to be produced based on the comparison result between the product parameter information of the steel coil to be produced and the preset parameter reference; Comparing the actual total energy consumption per ton with the grading standard thresholds corresponding to multiple grading standard intervals to obtain the energy consumption grade of the currently produced steel coil, and each grading standard interval is obtained based on the corrected reference energy consumption of the currently produced steel coil.

2. The continuous strip coating and annealing energy consumption evaluation method according to claim 1, characterized in that The product parameter information includes actual production information of multiple objective production factors, and the preset parameter reference includes standard production information of each objective production factor; The corrected reference energy consumption is obtained by correcting the preset reference energy consumption of the steel coil to be produced based on the comparison result between the product parameter information of the steel coil to be produced and the preset parameter reference, and includes: Determining the actual energy consumption correction amount of an objective production factor according to the actual difference between the actual production information and the standard production information of the objective production factor, and the preset energy consumption correction standard of the objective production factor; Correcting the preset reference energy consumption of the steel coil to be produced according to the sum of the actual energy consumption correction amounts of each objective production factor to obtain the corrected reference energy consumption.

3. The strip continuous coating and annealing energy consumption evaluation method according to claim 2, wherein, Determining the actual energy consumption correction amount of an objective production factor according to the actual difference between the actual production information and the standard production information of the objective production factor, and the preset energy consumption correction standard of the objective production factor, and includes: If the objective production factor is the product thickness or product width in the product conditions, or the ambient temperature in the climate conditions, then based on the first actual change amount between the first actual product value and the first standard product value, as well as the preset first change amount, the preset first energy consumption correction value, and the preset reference energy consumption, determining the actual energy consumption correction amount of the objective production factor, where the preset first change amount is inversely proportional to the preset first energy consumption correction value; If the objective production factor is the annealing heating temperature or annealing holding time in the product conditions, then based on the second actual change amount between the second actual product value and the second standard product value, as well as the preset second change amount, the preset second energy consumption correction value, and the preset annealing furnace heating energy consumption, obtaining the actual energy consumption correction amount of the objective production factor, where the preset second change amount is directly proportional to the preset second energy consumption correction value; Among them, the first actual product value is used to represent the value of the product thickness, product width, or ambient temperature in the actual production information; the first standard product value is used to represent the value of the product thickness, product width, or ambient temperature in the standard production information; the second actual product value is used to represent the value of the annealing heating temperature or annealing holding time in the actual production information; the second standard product value is used to represent the value of the annealing heating temperature or annealing holding time in the standard production information.

4. The strip continuous coating and annealing energy consumption evaluation method according to claim 2, characterized in that, Determine the actual energy consumption correction amount of the objective production factor according to the actual difference between the actual production information and the standard production information of an objective production factor, and the preset energy consumption correction standard of the objective production factor, including: If the objective production factor is the annealing method in the process conditions, and the annealing method changes from the United States Steel Corporation method to the improved Sendzimir method, then reduce the preset annealing furnace heating energy consumption by a preset third energy consumption correction value, and determine it as the actual energy consumption correction amount of the objective production factor; If the objective production factor is the type of gas for annealing furnace heating in the process conditions, and the type of gas for annealing furnace heating changes from natural gas to coke oven gas and blast furnace gas, increase the preset annealing furnace heating energy consumption by a preset fourth energy consumption correction value, and determine it as the actual energy consumption correction amount of the objective production factor; Among them, the standard production information includes the United States Steel Corporation method or natural gas, and the actual production information includes the improved Sendzimir method, or the coke oven gas and the blast furnace gas.

5. The continuous strip coating and annealing energy consumption evaluation method according to any one of claims 1-4, characterized in that, Determine the actual total energy consumption per ton of steel for the currently produced steel coil according to the target energy consumption medium consumption information and the corrected reference energy consumption of each steel coil to be produced, including: Based on the first energy medium consumption information and the qualified finished weight of the currently produced steel coil, determine the energy consumption per ton of steel for the production of the currently produced steel coil; According to the second energy medium consumption information and the corrected reference energy consumption of each steel coil to be produced, determine the amortized energy consumption per ton of steel for the currently produced steel coil; Determine the sum of the energy consumption per ton of steel for the production of the steel coil and the amortized energy consumption per ton of steel for the steel coil as the actual total energy consumption per ton of steel for the currently produced steel coil; Among them, the target energy consumption medium consumption information includes the first energy medium consumption information during the production of the currently produced steel coil, and the second energy medium consumption information during the previous shutdown and maintenance and the current production preparation period, which is amortized to each steel coil to be produced during this operation. The production information also includes the qualified finished weight of the currently produced steel coil.

6. The strip continuous coating and annealing energy consumption evaluation method according to claim 5, wherein Determine the amortized energy consumption per ton of steel for the currently produced steel coil according to the second energy medium consumption information and the corrected reference energy consumption of each steel coil to be produced, including: Determine the proportion of the corrected reference energy consumption of the currently produced steel coil in the total sum of the corrected reference energy consumption of all steel coils to be produced as the amortization ratio of the currently produced steel coil; Determine the amortized energy consumption per ton of steel for the currently produced steel coil according to the second energy medium consumption information and the amortization ratio.

7. The energy consumption evaluation method for continuous strip coating and annealing according to claim 5, characterized in that, The data statistics of the production information include: If the currently produced steel coil has entered the thermal furnace, determine the initial moment when the currently produced steel coil enters the thermal furnace as the first start measurement moment, and determine the initial moment when the next steel coil to be produced enters the thermal furnace as the first end measurement moment, so as to count the consumption of various first energy sources and various first media during the production of the currently produced steel coil, and obtain the first energy medium consumption information; If there is a shutdown and maintenance of the strip production line, determine the previous shutdown moment of the strip production line as the second start measurement moment, and determine the qualified moment of the first steel coil to be produced in this operation after the strip production line completes the shutdown and maintenance as the second end measurement moment, so as to count the consumption of various second energy sources and various second media during the previous shutdown and maintenance and the current production preparation period, and obtain the second energy medium consumption information; If the currently produced steel coil is at the offline outlet of the strip production line, determine the offline completion moment of the currently produced steel coil as the weighing moment, so as to weigh and obtain the qualified finished weight of the currently produced steel coil.

8. A continuous strip coating and annealing energy consumption evaluation device, characterized in that The device includes: An information acquisition module, configured to acquire the production information of the strip production line, where the production information includes target energy consumption medium consumption information and product parameter information of multiple steel coils to be produced during the current operation, and the strip production line is used to represent the production line for continuously coating and annealing the steel coils to be produced; An actual energy consumption determination module, configured to determine the actual total energy consumption per ton of the currently produced steel coil according to the target energy consumption medium consumption information and the corrected reference energy consumption of each steel coil to be produced, where the corrected reference energy consumption is obtained by correcting the preset reference energy consumption of the steel coil to be produced based on the comparison result between the product parameter information of the steel coil to be produced and the preset parameter reference; An energy consumption level determination module, configured to compare the actual total energy consumption per ton with the grading standard thresholds corresponding to multiple grading standard intervals to obtain the energy consumption level of the currently produced steel coil, and each grading standard interval is obtained based on the corrected reference energy consumption of the currently produced steel coil.

9. An electronic device, characterized in that, The electronic device includes: One or more processors; A storage device, configured to store one or more programs, and when the one or more programs are executed by the one or more processors, enable the electronic device to implement the strip continuous coating and annealing energy consumption evaluation method according to any one of claims 1 to 7.

10. A computer-readable storage medium, characterized in that, A computer program is stored thereon, and when the computer program is executed by the processor of the computer, the computer is enabled to execute the strip continuous coating and annealing energy consumption evaluation method according to any one of claims 1 to 7.

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