CN111872337A - Method and system for calculating length of steel - Google Patents
Method and system for calculating length of steel Download PDFInfo
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- CN111872337A CN111872337A CN202010722809.0A CN202010722809A CN111872337A CN 111872337 A CN111872337 A CN 111872337A CN 202010722809 A CN202010722809 A CN 202010722809A CN 111872337 A CN111872337 A CN 111872337A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/16—Controlling or regulating processes or operations
- B22D11/163—Controlling or regulating processes or operations for cutting cast stock
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/12—Accessories for subsequent treating or working cast stock in situ
- B22D11/126—Accessories for subsequent treating or working cast stock in situ for cutting
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Abstract
The invention relates to a method and a system for calculating the length of steel, wherein the method comprises the following steps: collecting steel production data; the steel production data comprises real-time molten steel flow, crystallizer steel passing amount and a crystallizer copper pipe section; calculating to obtain the length of the real-time steel based on the steel production data; and outputting the length of the real-time steel. Therefore, by the method for calculating the length of the steel, the steel production data can be collected only through a simple PLC or a PC, the real-time length of the steel can be calculated according to the steel production data, the real-time length of the steel can be provided for subsequent steel production equipment for operations such as cutting the length of the steel, the real-time length of the steel is measured without equipment with high maintenance difficulty, such as infrared images, laser ranging and sizing, and the like, and a novel method for measuring the length of the steel in real time is provided, so that the problems of high manufacturing cost and high maintenance difficulty of measuring equipment in the prior art are solved.
Description
Technical Field
The invention belongs to the technical field of steel production, and particularly relates to a method and a system for calculating the length of steel.
Background
In the steel production process, operations such as cut to length need be carried out to steel, need measure the real-time length of steel to the accurate operation such as cut to steel, to cutting to length required such as billet promptly, current scale mode mainly is for measuring through infrared image and laser range finding scale, and equipment cost is with high costs, maintains the difficulty.
Disclosure of Invention
In order to solve at least the above problems in the prior art, the present invention provides a method and a system for calculating the length of steel.
The technical scheme provided by the invention is as follows:
in a first aspect, the present invention provides a method for calculating a length of a steel material, comprising:
collecting steel production data; the steel production data comprises real-time molten steel flow, crystallizer steel passing amount and a crystallizer copper pipe section;
calculating to obtain the length of the real-time steel based on the steel production data;
and outputting the length of the real-time steel.
Optionally, the acquiring steel production data includes:
collecting data through a preset data collecting module;
and transmitting the collected steel production data through a network, so that a preset length calculation module can calculate the length of the steel in real time.
Optionally, the calculating the real-time steel length based on the steel production data includes:
and the real-time steel length is a value obtained by subtracting the excessive steel amount of the crystallizer from the real-time molten steel flow and dividing the difference by the section of the copper pipe of the crystallizer.
Optionally, the outputting the real-time steel length includes:
displaying the real-time steel length on a display screen;
and connecting an external execution terminal through IO equipment, and transmitting the length of the real-time steel to the external execution terminal.
Optionally, the method further includes:
and setting data acquisition frequency and data acquisition sequence.
Optionally, the method further includes:
averaging the acquired data, and determining a data threshold based on the average;
deleting the newly collected steel production data which exceed the data threshold.
In a second aspect, the application provides a system for calculating the length of steel, which comprises a data acquisition module, a PLC network communication module, a data processing module and an output module;
the data acquisition module comprises a PLC acquisition device and a PC acquisition device;
the data acquisition module is used for acquiring steel production data; the steel production data comprises real-time molten steel flow, crystallizer steel passing amount and a crystallizer copper pipe section;
the data acquisition module is also used for sending the acquired steel production data;
the PLC network communication module is used for receiving the steel production data sent by the data acquisition module;
the data processing module is used for controlling data acquisition frequency and acquisition sequence;
the data acquisition module is connected with the PLC network communication module and is further used for calculating based on the steel production data received by the PLC network communication module to obtain the real-time steel length.
Optionally, the system further comprises a data processing module, a packet block length calculating module and a program processing module connected with the data processing module;
the program processing module is also connected with the PLC network communication module;
the program processing module is used for setting the acquisition frequency and the acquisition sequence of the steel production data;
the program processing module is also used for correcting the collected steel production data and deleting abnormal data; the abnormal data are steel production data exceeding a preset threshold value;
and the length calculation module is used for calculating the real-time steel length based on the steel production data.
Optionally, the system further comprises a man-machine operation module;
the human-machine operation module is connected with the program processing module;
and the human-machine operation module is used for modifying and setting parameters in the program processing module by using personnel.
Optionally, the system further comprises an output module;
the output module is connected with the length calculation module;
the output module comprises a display screen and an IO connection interface;
the output module is used for displaying the length of the real-time steel through a display screen;
the output module is also used for connecting an external execution terminal through the IO connection interface and transmitting the real-time steel length to the external execution terminal.
The invention has the beneficial effects that:
the method for calculating the length of the steel provided by the embodiment of the invention comprises the following steps: collecting steel production data; the steel production data comprises real-time molten steel flow, crystallizer steel passing amount and a crystallizer copper pipe section; calculating to obtain the length of the real-time steel based on the steel production data; and outputting the length of the real-time steel. Therefore, by the method for calculating the length of the steel, the production data of the steel can be measured only through a simple PLC or PC collector, the real-time length of the steel can be calculated based on the production data of the steel, and the real-time length data of the steel can be provided for subsequent operations of executing terminal equipment, such as steel sizing cutting and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic flow chart of a method for calculating a length of a steel material according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a system for calculating a length of a steel material according to an embodiment of the present invention.
The system comprises a data acquisition module, a 2-PLC network communication module, a 3-data processing module, a 4-output module, a 5-program processing module, a 6-length calculation module and a 7-man-machine operation module.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
In order to at least solve the technical problem provided by the present invention, an embodiment of the present invention provides a method for calculating a length of a steel material.
Fig. 1 is a schematic flow chart of a method for calculating a length of a steel material according to an embodiment of the present invention, referring to fig. 1, the method for calculating a length of a steel material according to an embodiment of the present invention may include the following steps:
s11, collecting steel production data; the steel production data comprises real-time molten steel flow, crystallizer steel passing amount and a crystallizer copper pipe section;
specifically, the data acquisition can be realized by a PLC or PC data acquisition card, the steel production data comprises real-time molten steel flow data, namely real-time flow data and pulling speed data of on-site tundish molten steel, crystallizer steel passing amount, namely accumulated steel passing amount data of a crystallization copper pipe, and the section of the crystallizer copper pipe.
In addition, the PLC or PC data acquisition card can be connected with an upper computer through a data line, and the acquired data is transmitted through a wireless network through an upper computer network server. And receiving data through a preset PLC network communication module for calculation of a preset data processing module.
Preferably, the information of the real-time molten steel flow and the crystallizer steel passing amount is monitored in real time through an acquisition device, but the crystallizer copper tube section data can be obtained through real-time measurement, and can also be preset in a program after the measurement is finished in advance.
And S12, calculating the length of the real-time steel based on the steel production data.
Specifically, after the steel production data is acquired, the real-time steel length is calculated according to the data. The real-time steel length data is a difference value obtained by subtracting the data of the crystallizer steel excess from the data of the real-time molten steel flow, and the difference value is divided by a value finally obtained by the section of the copper pipe of the crystallizer. The steel length calculating method provided by the embodiment of the application can obtain the real-time steel length through calculation only by acquiring simple steel production data, realizes the online calculation of the steel length, and is high in efficiency and reliable due to the synchronous high-precision calculation when the steel production operation speed changes.
And S13, outputting the length of the real-time steel.
Specifically, after the real-time steel length is obtained through calculation, the calculated real-time steel length data is output, including displaying the data through a preset software interface and a display screen, and connecting an external execution terminal through an I0 device, transmitting the real-time steel length data to the external execution terminal, so that the external execution terminal can further control and operate the steel production process based on the real-time steel length, for example, cut the steel to length, and the like. And the calculation result is output, including the output to an operator and an external execution terminal of subsequent steel production, so that the data is provided for the operator and subsequent equipment while the online calculation is realized, and the control and production operation is accelerated.
The method for calculating the length of the steel provided by the embodiment of the invention comprises the following steps: collecting steel production data; the steel production data comprises real-time molten steel flow, crystallizer steel passing amount and a crystallizer copper pipe section; calculating to obtain the length of the real-time steel based on the steel production data; and outputting the length of the real-time steel. Therefore, by the method for calculating the length of the steel, the steel production data can be acquired only through the simple PLC or PC acquisition device, the real-time length of the steel can be calculated based on the steel production data, and the real-time length data of the steel can be provided for operations such as steel scaling and cutting by the execution terminal equipment for subsequent steel production. The infrared image camera or the laser range finder sensor and the like with high cost and high maintenance difficulty are not needed, and the cost and the fault point are reduced. A new method for measuring the length of the steel in real time is provided, so that the problems of high manufacturing cost and high maintenance difficulty of measuring equipment in the prior art are solved.
Further, the method for calculating the length of the steel product provided by the embodiment further includes setting a data acquisition frequency and a data acquisition sequence.
Specifically, based on the actual operation condition of steel production, the frequency of steel production data acquisition can be set, that is, the time interval of two times of data acquisition is set according to the actual production operation condition, and the acquisition sequence is to sequence the acquisition of different steel production data and acquire the data in sequence, for example, the real-time molten steel flow is acquired first, then the steel passing amount of the crystallizer is acquired, and the like, including memorizing the acquired data and sequencing the data which is not acquired, thereby increasing the acquisition efficiency.
It should be noted that the setting of the data acquisition frequency and the data acquisition sequence may be automatically controlled by a preset program, or may be displayed on a human-machine operation software interface connected to the preset data processing module and a setting scheme is provided for an operator to manually input or select, so that the operator can set the data acquisition frequency and the data acquisition sequence and other parameters through the human-machine operation software interface according to actual conditions.
In addition, the data parameter setting can also be realized through an electric control cabinet and/or a control box connected with the data acquisition equipment or the computing equipment, an operator sets the parameters through the electric control cabinet and/or the control box, and a set and generated instruction is transmitted to the acquisition equipment through a data line or a wireless network to realize the control of the acquisition process.
In order to ensure the accuracy of the method for calculating the length of the steel material provided in this embodiment, the method for calculating the length of the steel material provided in this embodiment may further include: averaging the acquired data, and determining a data threshold based on the average; deleting the newly collected steel production data which exceed the data threshold.
Specifically, after a certain amount of steel production data is collected, an average value of the data is calculated based on the existing steel production data, a threshold value is determined based on the average value after the average value is obtained, the threshold value can be data with an upper difference value and a lower difference value within a fixed range by taking the average value as a center, each newly collected data is compared with the threshold value after the threshold value is determined, and the data is automatically deleted after the newly collected data exceeds the threshold value, so that only accurate data is reserved. The threshold value is determined through the average value, and fault-tolerant error correction is carried out on the data through the threshold value, so that the influence of accidental acquisition errors on real-time steel length calculation can be ensured, and the calculation accuracy is improved.
In practical application, collected data can be displayed through a preset human-computer operation interface, a manual data error correction fault-tolerant function is provided, when an operator finds that the collected data is abnormal, the abnormal data can be deleted or modified through the manual operation interface, the average value is used for calculating a threshold value, a method for automatically deleting the abnormal data according to the threshold value is used for completing data error correction, and therefore the calculation result is more accurate.
Based on a general inventive concept, the embodiment of the invention also provides a system for calculating the length of the steel.
Fig. 2 is a schematic structural diagram of a system for calculating a length of a steel material according to an embodiment of the present invention, referring to fig. 2, the system for calculating a length of a steel material according to an embodiment of the present invention may include the following structures: the system comprises a data acquisition module 1, a PLC network communication module 2, a data processing module 3 and an output module 4;
the data acquisition module 1 comprises a PLC acquisition device and a PC acquisition device; the data acquisition module 1 is used for acquiring steel production data; the steel production data comprises real-time molten steel flow, crystallizer steel passing amount and a crystallizer copper pipe section; the data acquisition module 1 is also used for sending the acquired steel production data;
the PLC network communication module 2 is used for receiving the steel production data sent by the data acquisition module 1;
the data processing module 3 is used for controlling the data acquisition frequency and the data acquisition sequence; the data acquisition module 3 is also used for calculating based on the steel production data received by the PLC network communication module 2 to obtain the real-time steel length.
Further, the data processing module 3 comprises a program processing module 5 and a length calculating module 6; the program processing module 5 is respectively connected with the PLC network communication module 2 and the length calculation module 6;
the program processing module 5 is used for setting the acquisition frequency and the acquisition sequence of the steel production data; the program processing module 5 is also used for correcting the collected steel production data and deleting abnormal data; the abnormal data are steel production data exceeding a preset threshold value; and the length calculation module 6 is used for calculating the real-time steel length based on the steel production data.
Further, the system for calculating the length of the steel provided by the embodiment of the invention further comprises a human-machine operation module 7, wherein the human-machine operation module 7 is connected with the program processing module 3; the human-machine operation module 7 is used for the user to modify and set the parameters in the program processing module.
Specifically, the human-machine operation module 7 may be used by a user to set parameters in the data processing module, such as data acquisition frequency, data acquisition sequence, manual fault tolerance and error correction, data synthesis, and the like.
Further, the output module 4 of the system for calculating the length of the steel provided by the embodiment of the invention is connected with the length calculating module 6; the output module 4 comprises a display screen and an IO connection interface; the output module 4 is used for displaying the length of the real-time steel through a display screen; the output module 4 is further configured to connect an external execution terminal through the IO connection interface, and transmit the real-time steel length to the external execution terminal.
Specifically, the data can be displayed through a preset software interface and a display screen, and the displayed data includes the calculated real-time steel length and the like. In addition, the output module 4 further includes an IO connection interface for connecting with an external execution terminal, and is connected with the external execution terminal through a data line, and transmits the calculated data to the external execution terminal, so as to provide data support for the external execution terminal in the steel production process, for example, in operations such as cutting.
With regard to the above-described embodiments, the specific manner in which each module performs operations has been described in detail in the embodiments related to the method, and will not be elaborated herein.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments.
It should be noted that the terms "first," "second," and the like in the description of the present invention are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Further, in the description of the present invention, the meaning of "a plurality" means at least two unless otherwise specified.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and alternate implementations are included within the scope of the preferred embodiment of the present invention in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present invention.
It should be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.
In addition, functional units in the embodiments of the present invention may be integrated into one processing module, or each unit may exist alone physically, or two or more units are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. The integrated module, if implemented in the form of a software functional module and sold or used as a stand-alone product, may also be stored in a computer readable storage medium.
The storage medium mentioned above may be a read-only memory, a magnetic or optical disk, etc.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (10)
1. A method for calculating a length of a steel material, comprising:
collecting steel production data; the steel production data comprises real-time molten steel flow, crystallizer steel passing amount and a crystallizer copper pipe section;
calculating to obtain the length of the real-time steel based on the steel production data;
and outputting the length of the real-time steel.
2. A steel product length calculation method as claimed in claim 1 wherein said collecting steel product production data comprises:
collecting data through a preset data collecting module;
and transmitting the collected steel production data through a network, so that a preset length calculation module can calculate the length of the steel in real time.
3. A method of calculating a steel length as claimed in claim 1, wherein calculating a real time steel length based on the steel production data comprises:
and the real-time steel length is a value obtained by subtracting the excessive steel amount of the crystallizer from the real-time molten steel flow and dividing the difference by the section of the copper pipe of the crystallizer.
4. A method of calculating a steel length as claimed in claim 1, wherein the outputting the real-time steel length comprises:
displaying the real-time steel length on a display screen;
and connecting an external execution terminal through IO equipment, and transmitting the length of the real-time steel to the external execution terminal.
5. A method of calculating a length of steel according to claim 2, further comprising:
and setting data acquisition frequency and data acquisition sequence.
6. A method of calculating a length of steel according to claim 1, further comprising:
averaging the acquired data, and determining a data threshold based on the average;
deleting the newly collected steel production data which exceed the data threshold.
7. A steel length calculation system is characterized by comprising a data acquisition module, a PLC network communication module, a data processing module and an output module;
the data acquisition module comprises a PLC acquisition device and a PC acquisition device;
the data acquisition module is used for acquiring steel production data; the steel production data comprises real-time molten steel flow, crystallizer steel passing amount and a crystallizer copper pipe section;
the data acquisition module is also used for sending the acquired steel production data;
the PLC network communication module is used for receiving the steel production data sent by the data acquisition module;
the data processing module is used for controlling data acquisition frequency and acquisition sequence;
the data acquisition module is connected with the PLC network communication module and is further used for calculating based on the steel production data received by the PLC network communication module to obtain the real-time steel length.
8. A steel material length calculation system according to claim 7, wherein said data processing module comprises a block length calculation module and a program processing module connected thereto;
the program processing module is also connected with the PLC network communication module;
the program processing module is used for setting the acquisition frequency and the acquisition sequence of the steel production data;
the program processing module is also used for correcting the collected steel production data and deleting abnormal data; the abnormal data are steel production data exceeding a preset threshold value;
and the length calculation module is used for calculating the real-time steel length based on the steel production data.
9. A steel length calculation system according to claim 8, further comprising a human machine interface module;
the human-machine operation module is connected with the program processing module;
and the human-machine operation module is used for modifying and setting parameters in the program processing module by using personnel.
10. A steel length calculation system according to claim 7, further comprising an output module;
the output module is connected with the length calculation module;
the output module comprises a display screen and an IO connection interface;
the output module is used for displaying the length of the real-time steel through a display screen;
the output module is also used for connecting an external execution terminal through the IO connection interface and transmitting the real-time steel length to the external execution terminal.
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Cited By (1)
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