An online calculation method for molten iron composition in a ladle

Abstract

The embodiment of the present invention provides an online calculation method for the composition of molten iron in a ladle, the method comprising: pouring molten iron into the ladle, determining the concentration information of different elements in the blast furnace and the first weights of the ladle in different time periods; calculating the second weight of the poured molten iron in each time period based on the first weights; for each time period, calculating the weight of different elements poured into the molten iron in the time period based on the concentration information of different elements in the time period and the second weight of the poured molten iron; adding the weights of the same elements in each time period to obtain the total weight of each element; determining the total weight of the poured molten iron when terminating the pouring of molten iron into the ladle; calculating the concentration of each element poured into the molten iron based on the total weight of each element and the total weight of the poured molten iron. The above method makes the concentration of the detected molten iron component closer to the actual concentration, thereby improving the accuracy of detecting the molten iron component.

Description

Technical Field

[0001] The invention relates to the technical field of molten iron detection and analysis, and in particular to an online calculation method for molten iron composition in a molten iron ladle. Background Art

[0002] In the steel smelting industry, the composition of molten iron discharged from the blast furnace into the ladle is crucial to the desulfurization and dephosphorization before subsequent steelmaking, as well as the regulation of steel smelting process parameters, product quality, energy conservation and emission reduction, and cost reduction and efficiency improvement.

[0003] At present, the detection of molten iron composition in the ladle is mainly achieved through the following methods:

[0004] The offline laboratory detection method requires sampling and sample preparation, and the test results are obviously delayed. In addition, the analysis results of the composition of the molten iron in the ladle through sampling are not accurate enough. The analysis results of a certain sampling cannot reflect the analysis results of the composition of the molten iron in the entire ladle. Although some technicians have tried to use online detection technology to detect the composition of the molten iron in the ladle, this attempt is still limited to detecting the composition of the molten iron in a certain area, and there is still the problem of inaccurate analysis results of the composition of the molten iron in the ladle. Summary of the invention

[0005] The object of the present invention is to provide an online calculation method for molten iron composition in a molten iron ladle, which can improve the efficiency and accuracy of detecting the molten iron composition.

[0006] In order to achieve the above purpose, the technical solution adopted in the embodiment of the present application is as follows:

[0007] In a first aspect, an embodiment of the present application provides an online calculation method for molten iron composition in a molten iron ladle, the method comprising:

[0008] Filling a ladle with molten iron, determining concentration information of different elements in a blast furnace and first weights of the ladle at different time periods, wherein the ladle is filled with molten iron in the blast furnace;

[0009] Based on each of the first weights, calculating a second weight of the molten iron poured into the ladle in each time period;

[0010] For each of the time periods, based on the concentration information of the different elements in the time period and the second weight of the molten iron poured into the ladle, the weight of the different elements poured into the molten iron in the time period is calculated;

[0011] Add the weights of the same element in each time period to get the total weight of each element;

[0012] Stop pouring molten iron into the ladle at a termination time, and determine the total weight of the molten iron poured into the ladle;

[0013] Based on the total weight of each element and the total weight of the molten iron poured into the ladle, the concentration of each element in the molten iron poured into the ladle is calculated.

[0014] In an optional embodiment, the step of calculating the second weight of the molten iron poured into the ladle in each time period based on each of the first weights comprises:

[0015] For each time period, determining the first weight of the ladle in the time period and the time period before the time period respectively;

[0016] The difference between the first weight of the ladle in this time period and the time period before this time period is calculated as the second weight of the molten iron poured into the ladle in this time period.

[0017] In an optional embodiment, the step of calculating, for each of the time periods, the weight of the different elements poured into the molten iron in the time period based on the concentration information of the different elements in the time period and the second weight of the molten iron poured into the ladle, comprises:

[0018] For each of the time periods, the product of the concentration information of different elements in the time period and the second weight of the molten iron poured into the ladle in the time period is calculated as the weight of the different elements poured into the molten iron in the time period.

[0019] In an optional embodiment, the step of stopping pouring molten iron into the ladle at a termination time and determining a total weight of the molten iron poured into the ladle comprises:

[0020] The pouring of molten iron into the ladle is stopped at the termination time, and the difference between the first weight of the ladle and the net weight of the ladle at the termination time is calculated as the total weight of the molten iron poured into the ladle.

[0021] In an optional implementation, each of the time periods is separated by a preset time range, wherein the preset time range is (5 min, 10 min).

[0022] In an optional embodiment, the different elements in the molten iron in the blast furnace include at least one of silicon, sulfur, manganese, titanium, phosphorus, tin, arsenic, copper or carbon.

[0023] In an optional embodiment, the method of pouring molten iron into the ladle includes: continuous pouring or intermittent pouring.

[0024] In a second aspect, an embodiment of the present application provides an online calculation device for molten iron composition in a molten iron ladle, the device comprising:

[0025] Determine modules and calculate modules;

[0026] The determination module is used to fill the ladle with molten iron, determine the concentration information of different elements in the blast furnace and the first weights of the ladle in different time periods, wherein the ladle is filled with molten iron in the blast furnace;

[0027] The calculation module is used to calculate the second weight of the molten iron poured into the ladle in each time period based on the first weights;

[0028] For each of the time periods, based on the concentration information of the different elements in the time period and the second weight of the molten iron poured into the ladle, the weight of the different elements poured into the molten iron in the time period is calculated;

[0029] Add the weights of the same element in each time period to get the total weight of each element;

[0030] Stop pouring molten iron into the ladle at a termination time, and determine the total weight of the molten iron poured into the ladle;

[0031] Based on the total weight of each element and the total weight of the molten iron poured into the ladle, the concentration of each element in the molten iron poured into the ladle is calculated.

[0032] In a third aspect, an embodiment of the present application provides an electronic device, comprising a memory and a processor, wherein the memory stores a computer program, and the processor implements the steps of the online calculation method of the molten iron composition in the ladle when executing the computer program.

[0033] In a fourth aspect, an embodiment of the present application provides a storage medium having a computer program stored thereon, which, when executed by a processor, implements the steps of the method for online calculation of molten iron composition in the ladle.

[0034] This application has the following beneficial effects:

[0035] The present application determines the concentration information of different elements in the blast furnace and the first weights of the ladle for pouring molten iron into a ladle in different time periods, wherein the ladle is filled with molten iron from the blast furnace; based on the first weights, calculates the second weight of the molten iron poured into the ladle in each time period; for each time period, calculates the weight of the different elements poured into the molten iron in the time period based on the concentration information of the different elements in the time period and the second weight of the molten iron poured into the ladle; adds the weights of the same elements in each time period to obtain the total weight of each element; stops pouring molten iron into the ladle at a termination time to determine the total weight of the molten iron poured into the ladle; calculates the concentration of each element in the molten iron poured into the ladle based on the total weight of each element and the total weight of the molten iron poured into the ladle. First, the composition of the molten iron poured into the ladle in each time period is analyzed and calculated, and then the analysis results of each time period are analyzed and processed to obtain the concentration of each element in the molten iron poured into the ladle in all time periods. By gradually superimposing the concentration of the detected molten iron composition, the concentration is closer to the actual concentration, thereby improving the accuracy of molten iron composition detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the embodiments are briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without creative work.

[0037] Figure 1 A block diagram of an electronic device provided by an embodiment of the present invention;

[0038] Figure 2 One of the flow charts of the steps of an online calculation method of molten iron composition in a molten iron ladle provided in an embodiment of the present invention;

[0039] Figure 3 A second flow chart of the steps of an online calculation method for molten iron composition in a molten iron ladle provided in an embodiment of the present invention;

[0040] Figure 4 A structural block diagram of an online calculation device for molten iron composition in a ladle provided in an embodiment of the present invention. DETAILED DESCRIPTION

[0041] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0042] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention claimed for protection, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0043] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0044] In the description of the present invention, it should be noted that if the terms "upper", "lower", "inside", "outside", etc. appear to indicate an orientation or position relationship, they are based on the orientation or position relationship shown in the accompanying drawings, or are the orientation or position relationship in which the product of the invention is usually placed when used. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0045] In addition, the terms “first”, “second”, etc., if used, are merely used to distinguish between the descriptions and should not be understood as indicating or implying relative importance.

[0046] In the description of this application, it should also be noted that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0047] After extensive research, the inventors found that the sampling method and laser induced breakdown spectroscopy technology used in the prior art for detecting the composition of molten iron in the ladle were both inaccurate.

[0048] In view of the discovery of the above problems, the present embodiment provides an online calculation method for the composition of molten iron in a ladle, which can first analyze and calculate the composition of the molten iron poured into the ladle in each time period, and then analyze and process the analysis results of each time period to obtain the concentration of each element poured into the molten iron in all time periods. By gradually superimposing, the detected concentration of the molten iron composition is closer to the actual concentration, thereby improving the accuracy of the detection of the molten iron composition. The scheme provided in this embodiment is elaborated in detail below.

[0049] This embodiment provides an electronic device that can analyze the composition of molten iron. In a possible implementation, the electronic device can be a user terminal, for example, the electronic device can be, but is not limited to, a server, a smart phone, a personal computer (PC), a tablet computer, a personal digital assistant (PDA), a mobile Internet device (MID), etc.

[0050] Please refer to Figure 1 , Figure 1 1 is a schematic diagram of the structure of the electronic device 100 provided in the embodiment of the present application. The electronic device 100 may also include Figure 1 More or fewer components as shown, or with Figure 1 Different configurations are shown. Figure 1 Each component shown in the figure can be implemented by hardware, software or a combination thereof.

[0051] The electronic device 100 includes an online calculation device 110 for calculating the composition of molten iron in a molten iron ladle, a memory 120 and a processor 130 .

[0052] The components of the memory 120 and the processor 130 are electrically connected to each other directly or indirectly to realize data transmission or interaction. For example, these components can be electrically connected to each other through one or more communication buses or signal lines. The online calculation device 110 for the composition of molten iron in the molten iron ladle includes at least one software function module that can be stored in the memory 120 in the form of software or firmware or solidified in the operating system (OS) of the electronic device 100. The processor 130 is used to execute the executable modules stored in the memory 120, such as the software function modules and computer programs included in the online calculation device 110 for the composition of molten iron in the molten iron ladle.

[0053] The memory 120 may be, but is not limited to, a random access memory (RAM), a read only memory (ROM), a programmable read-only memory (PROM), an erasable programmable read-only memory (EPROM), an electrically erasable read-only memory (EEPROM), etc. The memory 120 is used to store a program, and the processor 130 executes the program after receiving an execution instruction.

[0054] Please refer to Figure 2 , Figure 2 For application Figure 1 The electronic device 100 is a flow chart of an online calculation method for the composition of molten iron in a molten iron ladle, and the method including each step is described in detail below.

[0055] Step 201: pouring molten iron into the ladle, determining the concentration information of different elements in the blast furnace and the first weights of the ladle at different time periods.

[0056] The ladle is filled with molten iron from the blast furnace. The ladle may be filled with molten iron in a continuous manner or in an intermittent manner.

[0057] Each time period is separated by a preset time range, wherein the preset time range is (5min, 10min).

[0058] It should be noted that those skilled in the art can set the preset time range according to actual conditions. The smaller the preset time range is, the higher the accuracy of the calculated molten iron composition is.

[0059] The molten iron can be continuously poured into the ladle by: continuously pouring the molten iron in the blast furnace into the ladle through a blast furnace.

[0060] The molten iron in the blast furnace is poured into a ladle, and the concentration information of different elements in the molten iron in the blast furnace is detected at the molten iron ditch.

[0061] The specific detection method can be to detect the concentration information of different elements in the molten iron in different time periods in the iron ditch through laser induced breakdown spectroscopy technology, or to detect the concentration information of different elements in the blast furnace in different time periods through laser induced breakdown spectroscopy technology.

[0062] Since there are certain differences in the composition of molten iron during the entire discharge cycle of molten iron, in order to make the analysis results of the molten iron composition in the ladle closer to the actual results, it is necessary to divide the time period and analyze the molten iron composition in each time period to avoid directly using the measured iron ditch concentration as the element concentration in the ladle, which is not conducive to the precise control of the blast furnace and converter.

[0063] When pouring molten iron into the ladle, the molten iron can be poured when the ladle is empty, or it can be poured when the ladle is not empty.

[0064] In one example, when pouring molten iron into a ladle, it takes a certain amount of time to change from an empty ladle to a full state. The filling time can be divided into different time periods. In different time periods, the concentration information of different elements in the blast furnace will also change. It is necessary to determine the concentration information of different elements in different time periods and the first weight of the ladle in different time periods.

[0065] For example, when it takes half an hour to fill the ladle, the filling time is divided into multiple time periods, including t1: 0-10min, t2: 10-20min, t3: 20-30min. At t1, the concentration information C of different elements in the blast furnace i,t1 , wherein i is the serial number of Si element, S element, Mn element, Ti element, Cu element, P element, Sn element, As element or C element, and the first weight of the ladle is m t1 At t2, the concentration information of different elements in the blast furnace is C i,t2 , the first weight of the ladle is m t2 At t3, the concentration information of different elements in the blast furnace is C i,t3 , the first weight of the ladle is m t3 .

[0066] Step 202: Calculate the second weight of the molten iron poured into the ladle in each time period based on the first weights.

[0067] For the above step 202, if Figure 3 As shown, the specific steps include the following steps.

[0068] Step 202-1: for each time period, determine the first weight of the iron ladle in the time period and the time period before the time period.

[0069] Step 202-2: Calculate the difference between the first weight of the ladle in the current time period and the previous time period of the current time period, and use it as the second weight of the molten iron poured into the ladle in the current time period.

[0070] Calculate the second weight of the molten iron in the ladle in each time period. For example, at t1, the first weight of the ladle is mt1 , at t2, the first weight of the ladle is m t2 , then in the time period t2, the second weight of the molten iron poured into the ladle is m t2 -m t1 At t3, the first weight of the ladle is m t3 , in the time period t3, the second weight of the molten iron poured into the ladle is m t3 -m t2 In the time period t1, the second weight of the molten iron poured into the ladle is m t1 .

[0071] Step 203: For each time period, based on the concentration information of different elements in the time period and the second weight of the molten iron poured into the ladle, the weight of different elements poured into the molten iron in the time period is calculated.

[0072] For each time period, the product of the concentration information of different elements in the time period and the second weight of the molten iron poured into the ladle in the time period is calculated as the weight of the different elements poured into the molten iron in the time period.

[0073] For example, in the time period t1, the concentration information of different elements in the time period t1 is determined as C 1,t1 , C 2,t1 , where C 1,t1 is the concentration information of S element in the time period t1, C 2,t1 is the concentration information of element P in the time period t1, and the second weight of molten iron poured into the ladle in the time period t1 is m t1 , calculate the weight of element S in time period t1: C 1,t1 *m t1 , calculate the weight of element P in time period t1 as C 2,t1 *m t1 .

[0074] Step 204: Add the weights of the same elements in each time period to obtain the total weight of each element.

[0075] For example, the weight of element S in time period t1 is: C 1,t1 *m t1 , the weight of element P is C 2,t1 *m t1 , the weight of element S in time period t2 is: C 1,t2 *(m t2 -m t1 ), the weight of element P is C 2,t2 *(m t2 -m t1 ). The weight of element S in the time period t3 is: C 1,t3 *(m t3 -mt2 ), the weight of element P is C 2,t3 *(m t3 -m t2 ). Add the weights of the same element in time periods t1, t2, and t3, which is the total weight of element S: C 1,t1 *m t1 +C 1,t2 *(m t2 -m t1 )+C 1,t3 *(m t3 -m t2 ). Total weight of P elements: C 2,t1 *m t1 +C 2,t2 *(m t2 -m t1 )+C 2,t3 *(m t3 -m t2 ).

[0076] Step 205: Stop pouring molten iron into the ladle at the end time, and determine the total weight of the molten iron poured into the ladle.

[0077] Exemplarily, at the end time, that is, when the ladle is full or the ladle needs to be moved, the end time is determined, and the total weight of the molten iron poured into the ladle.

[0078] When the ladle is poured with molten iron from an empty ladle, the difference between the first weight of the ladle and the net weight of the ladle at the end time is calculated as the total weight of the molten iron poured into the ladle.

[0079] Step 206: Calculate the concentration of each element in the molten iron poured into the ladle based on the total weight of each element and the total weight of the molten iron poured into the ladle.

[0080] Exemplarily, the concentration of each element in the molten iron poured into the ladle is calculated at the end time:

[0081] The concentration of S element: 1,t1 *m t1 +C 1,t2 *(m t2 -m t1 )+C 1,t3 *(m t3 -m t2 )} / Total weight of molten iron poured into the ladle.

[0082] The concentration of P element: 2,t1 *m t1 +C 2,t2 *(m t2 -m t1 )+C2,t3 *(m t3 -m t2 )} / Total weight of molten iron poured into the ladle.

[0083] The method of pouring molten iron into the ladle can also be intermittent pouring, that is, intermittently pouring different molten irons from different blast furnaces into the same ladle, or intermittently pouring the same molten iron into the same blast furnace in multiple time periods.

[0084] For different molten irons poured into the same ladle by different blast furnaces, the composition analysis method of the molten iron poured into the ladle by the same blast furnace is analyzed by the above analysis method, and finally the weights of different elements in different molten irons poured into the ladle by different batches in the same blast furnace of different blast furnaces are calculated, and the total weight of all different molten irons and the same elements is calculated, and finally the concentrations of different elements in the mixed molten iron in the ladle are determined.

[0085] The same molten iron ladle is intermittently poured in different time periods in the same blast furnace, and the concentration information of different elements in the molten iron in the ladle is determined and analyzed in the manner of steps 201 to 206 described above.

[0086] The present application determines the concentration information of different elements in the blast furnace and the first weights of the ladle for pouring molten iron into a ladle in different time periods, wherein the ladle is filled with molten iron from the blast furnace; based on the first weights, calculates the second weight of the molten iron poured into the ladle in each time period; for each time period, calculates the weight of the different elements poured into the molten iron in the time period based on the concentration information of the different elements in the time period and the second weight of the molten iron poured into the ladle; adds the weights of the same elements in each time period to obtain the total weight of each element; stops pouring molten iron into the ladle at a termination time to determine the total weight of the molten iron poured into the ladle; calculates the concentration of each element in the molten iron poured into the ladle based on the total weight of each element and the total weight of the molten iron poured into the ladle. First, the composition of the molten iron poured into the ladle in each time period is analyzed and calculated, and then the analysis results of each time period are analyzed and processed to obtain the concentration of each element in the molten iron poured into the ladle in all time periods. By gradually superimposing the concentration of the detected molten iron composition, the concentration is closer to the actual concentration, thereby improving the accuracy of molten iron composition detection.

[0087] Please refer to Figure 4 The present application embodiment also provides an application Figure 1 The online calculation device 110 for calculating the composition of molten iron in the molten iron ladle of the electronic device 100 comprises:

[0088] A determination module 111 and a calculation module 112;

[0089] The determination module 111 is used to fill the ladle with molten iron, determine the concentration information of different elements in the blast furnace and the first weights of the ladle in different time periods, wherein the ladle is filled with molten iron in the blast furnace;

[0090] The calculation module 112 is used to calculate the second weight of the molten iron poured into the ladle in each time period based on the first weights;

[0091] For each of the time periods, based on the concentration information of the different elements in the time period and the second weight of the molten iron poured into the ladle, the weight of the different elements poured into the molten iron in the time period is calculated;

[0092] Add the weights of the same element in each time period to get the total weight of each element;

[0093] Stop pouring molten iron into the ladle at a termination time, and determine the total weight of the molten iron poured into the ladle;

[0094] Based on the total weight of each element and the total weight of the molten iron poured into the ladle, the concentration of each element in the molten iron poured into the ladle is calculated.

[0095] In summary, the present application determines the concentration information of different elements in the blast furnace and the first weights of the ladle for pouring molten iron into the ladle in different time periods, wherein the ladle is filled with molten iron in the blast furnace; based on the first weights, calculates the second weight of the molten iron poured into the ladle in each time period; for each time period, calculates the weight of the different elements poured into the molten iron in the time period based on the concentration information of the different elements in the time period and the second weight of the molten iron poured into the ladle; adds the weights of the same elements in each time period to obtain the total weight of each element; stops pouring molten iron into the ladle at the termination time, and determines the total weight of the molten iron poured into the ladle; calculates the concentration of each element in the molten iron poured into the ladle based on the total weight of each element and the total weight of the molten iron poured into the ladle. By calculating the composition of the molten iron poured into the ladle in each time period, the concentration of each element in the molten iron poured into the ladle is finally determined based on all time periods. By gradually superimposing the detected concentration of the molten iron composition is closer to the actual concentration, thereby improving the efficiency and accuracy of detecting the molten iron composition.

[0096] The present application also provides an electronic device 100, which includes a processor 130 and a memory 120. The memory 120 stores computer executable instructions, and when the computer executable instructions are executed by the processor 130, the online calculation method of the molten iron composition in the molten iron ladle is implemented.

[0097] The embodiment of the present application further provides a computer-readable storage medium, wherein the storage medium stores a computer program. When the computer program is executed by the processor 130, an online calculation method for the composition of molten iron in the ladle is implemented.

[0098] In the embodiments provided in the present application, it should be understood that the disclosed devices and methods can also be implemented in other ways. The device embodiments described above are merely schematic. For example, the flowcharts and block diagrams in the accompanying drawings show the possible architecture, functions and operations of the devices, methods and computer program products according to the multiple embodiments of the present application. In this regard, each box in the flowchart or block diagram can represent a module, a program segment or a part of a code, and the module, a program segment or a part of a 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 box can also occur in a different order from the order marked in the accompanying drawings. For example, two consecutive boxes can actually be executed substantially in parallel, and they can sometimes be executed in the opposite order, depending on the functions involved. It should also be noted that each box in the block diagram and / or the flowchart, and the combination of boxes in the block diagram and / or the flowchart can be implemented with a dedicated hardware-based system that performs a specified function or action, or can be implemented with a combination of dedicated hardware and computer instructions.

[0099] In addition, each functional module in each embodiment of the present application can be integrated together to form an independent part, or each module can exist separately, or two or more modules can be integrated to form an independent part. If the function is implemented in the form of a software functional module and sold or used as an independent product, it can be stored in a computer-readable storage medium. Based on such an understanding, the technical solution of the present application is essentially or the part that contributes to the prior art or the part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including several instructions to enable a computer device (which can be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the method described in each embodiment of the present application. The aforementioned storage medium includes: various media that can store program codes, such as a USB flash drive, a mobile hard disk, a read-only memory (ROM, Read-Only Memory), a random access memory (RAM, Random Access Memory), a disk or an optical disk.

[0100] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

[0101] The above are only various implementations of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art who is familiar with the present technical field can easily think of changes or substitutions within the technical scope disclosed in the present application, which should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

Claims

1. An online calculation method for molten iron composition in a ladle, characterized in that: The method comprises: Filling a ladle with molten iron, determining concentration information of different elements in a blast furnace and first weights of the ladle at different time periods, wherein the ladle is filled with molten iron in the blast furnace; Based on each of the first weights, calculating a second weight of the molten iron poured into the ladle in each time period; For each of the time periods, based on the concentration information of the different elements in the time period and the second weight of the molten iron poured into the ladle, the weight of the different elements poured into the molten iron in the time period is calculated; Add the weights of the same element in each time period to get the total weight of each element; Stop pouring molten iron into the ladle at a termination time, and determine the total weight of the molten iron poured into the ladle; Based on the total weight of each element and the total weight of the molten iron poured into the ladle, the concentration of each element in the molten iron poured into the ladle is calculated.

2. The method according to claim 1, characterized in that The step of calculating the second weight of the molten iron poured into the ladle in each time period based on each of the first weights comprises: For each time period, respectively determining the first weight of the ladle in the time period and the time period before the time period; The difference between the first weight of the ladle in this time period and the time period before this time period is calculated as the second weight of the molten iron poured into the ladle in this time period.

3. The method according to claim 1, characterized in that The step of calculating the weight of the different elements poured into the molten iron in each time period based on the concentration information of the different elements in the time period and the second weight of the molten iron poured into the ladle comprises: For each of the time periods, the product of the concentration information of different elements in the time period and the second weight of the molten iron poured into the ladle in the time period is calculated as the weight of the different elements poured into the molten iron in the time period.

4. The method according to claim 1, characterized in that: The step of stopping pouring molten iron into the ladle at the end time and determining the total weight of the molten iron poured into the ladle comprises: The pouring of molten iron into the ladle is stopped at the termination time, and the difference between the first weight of the ladle and the net weight of the ladle at the termination time is calculated as the total weight of the molten iron poured into the ladle.

5. The method according to claim 1, characterized in that Each of the time periods is separated by a preset time range, wherein the preset time range is (5min, 10min).

6. The method according to claim 1, characterized in that The different elements in the molten iron in the blast furnace include at least one of silicon, sulfur, manganese, titanium, phosphorus, tin, arsenic, copper or carbon.

7. The method according to claim 1, characterized in that The methods of pouring molten iron into the ladle include: continuous pouring or intermittent pouring.

8. An online calculation device for molten iron composition in a ladle, characterized in that: The device comprises: Determine modules and calculate modules; The determination module is used to fill the ladle with molten iron, determine the concentration information of different elements in the blast furnace and the first weights of the ladle in different time periods, wherein the ladle is filled with molten iron in the blast furnace; The calculation module is used to calculate the second weight of the molten iron poured into the ladle in each time period based on the first weights; For each of the time periods, based on the concentration information of the different elements in the time period and the second weight of the molten iron poured into the ladle, the weight of the different elements poured into the molten iron in the time period is calculated; Add the weights of the same element in each time period to get the total weight of each element; Stop pouring molten iron into the ladle at a termination time, and determine the total weight of the molten iron poured into the ladle; Based on the total weight of each element and the total weight of the molten iron poured into the ladle, the concentration of each element in the molten iron poured into the ladle is calculated.

9. An electronic device, characterized in that: The method comprises a memory and a processor, wherein the memory stores a computer program, and the processor implements the steps of the method according to any one of claims 1 to 7 when executing the computer program.

10. A storage medium having a computer program stored thereon, characterized in that: When the computer program is executed by a processor, the steps of the method according to any one of claims 1 to 7 are implemented.

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