CN114622047A - Method, device and equipment for determining working state of blast furnace hearth and storage medium - Google Patents
Method, device and equipment for determining working state of blast furnace hearth and storage medium Download PDFInfo
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- CN114622047A CN114622047A CN202210180029.7A CN202210180029A CN114622047A CN 114622047 A CN114622047 A CN 114622047A CN 202210180029 A CN202210180029 A CN 202210180029A CN 114622047 A CN114622047 A CN 114622047A
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
- C21B7/24—Test rods or other checking devices
Abstract
The embodiment of the invention provides a method, a device, equipment and a storage medium for determining the working state of a blast furnace hearth, which are used for determining the working heat load parameter of the target high furnace hearth based on the actual furnace bottom temperature data and the actual furnace wall temperature data by acquiring the actual furnace bottom temperature data of the target high furnace hearth and the actual furnace wall temperature data of the target high furnace hearth. Because the working heat load parameter can represent the temperature fluctuation condition of the blast furnace hearth, compared with the prior art that the working state of the hearth is judged by singly monitoring the temperature of a certain point of the hearth or the temperature difference of water, the embodiment of the invention can more accurately analyze and judge the temperature condition of the furnace wall of the hearth. Therefore, according to the working heat load parameters, the working state of the target blast furnace hearth can be more accurately determined, and the accuracy of judging the working state of the blast furnace hearth is improved.
Description
Technical Field
The invention relates to the technical field of blast furnace ironmaking, in particular to a method, a device, equipment and a storage medium for determining the working state of a blast furnace hearth.
Background
The hearth is one of important areas for blast furnace iron-making production, and the service life of the hearth determines the service life of the blast furnace. Because the working state in the hearth is difficult to directly observe, the temperature of the brick lining with the largest furnace campaign of the previous generation and the temperature difference of water (or the heat flow intensity) are set as early warning values by some blast furnace operators and used as technical indexes for judging the working state and the erosion condition of the hearth of the new generation of the blast furnace. Practice proves that the temperature and the water temperature difference (or the heat flow intensity) of the brick lining on the side wall of the hearth are not only related to the working state and the cooling intensity of the hearth, but also closely related to the heat resistance of the brick lining of the refractory material of the hearth. The thermal resistance of the refractory brick lining is closely related to the design structure, material selection, masonry quality and furnace baking quality of the blast furnace hearth, and the blast furnaces with different furnace service have larger difference.
In the prior art, some researchers establish an inverse problem model of a hearth and bottom temperature field on the basis of a heat transfer equation according to the temperature and position information of a hearth refractory brick lining thermocouple, calculate the temperature field distribution of the hearth and bottom, and judge the hearth and bottom erosion and the slag iron shell change of a brick lining hot surface so as to evaluate the working state of the hearth. However, when the furnace conditions are abnormally fluctuated, and the furnace is opened in the initial stage and the final stage of the furnace service, the blast furnace operating parameters and the components of the brick lining hot face slag iron shell are different from the design parameters of the model, the model calculates the great difference of the brick lining thickness and the slag iron shell change, and the working state of the furnace hearth is judged to have certain lag and distortion according to the model.
Disclosure of Invention
The embodiment of the invention provides a method, a device, equipment and a storage medium for determining the working state of a blast furnace hearth, and solves the technical problem that the judgment of the working state of the blast furnace hearth in the prior art is inaccurate.
In a first aspect, the present invention provides a method for determining a working state of a blast furnace hearth, according to an embodiment of the present invention, including: acquiring actual furnace bottom temperature data of a target furnace hearth and actual furnace wall temperature data of the target furnace hearth; determining a working heat load parameter of the target high furnace hearth based on the actual furnace bottom temperature data and the actual furnace wall temperature data; and determining the working state of the target furnace hearth according to the working heat load parameters.
Preferably, the target furnace hearth is provided with a furnace bottom brick lining, the bottom of the furnace bottom brick lining is provided with a plurality of first thermocouples, and the side wall surrounding the furnace bottom brick lining is provided with a plurality of second thermocouples; obtain the actual stove bottom temperature data of target height stove hearth, include: monitoring the bottom temperature of the target furnace hearth through the first thermocouples to obtain actual furnace bottom temperature data; the acquiring actual furnace wall temperature data of the target furnace hearth includes: and monitoring the side wall temperature of the target furnace hearth through the plurality of second thermocouples to obtain the actual furnace wall temperature data.
Preferably, said determining a work heat load parameter for said target high hearth based on said actual hearth temperature data and said actual furnace wall temperature data comprises: carrying out average calculation on each furnace bottom temperature value in the actual furnace bottom temperature data to obtain a furnace bottom temperature average value; and determining the working heat load parameter according to each side wall temperature value in the actual furnace wall temperature data and the furnace bottom temperature average value.
Preferably, said determining said operational heat load parameter from each sidewall temperature value in said actual furnace wall temperature data and said average furnace floor temperature value comprises: and determining the ratio of each side wall temperature value in the actual furnace wall temperature data to the average value of the furnace bottom temperature, and determining the variance of the ratio to obtain the working heat load parameter.
Preferably, the determining the working state of the target blast furnace hearth according to the working heat load parameter includes: based on a first preset reference threshold and a second preset reference threshold, judging the size relation between the working heat load parameter and the first preset reference threshold and/or the second preset reference threshold; and determining the working state of the target furnace hearth according to the size relation.
Preferably, the first preset reference threshold is smaller than the second preset reference threshold; according to the size relation, the working state of the target furnace hearth is determined, and the method comprises the following steps: if the working heat load parameter is less than or equal to the first preset reference threshold, determining that the working state of the target furnace hearth is good; if the working heat load parameter is less than or equal to the first preset reference threshold, determining that the working state of the target furnace hearth is poor; and if the working heat load parameter is less than or equal to the first preset reference threshold, determining that the working state of the target furnace hearth is poor.
In a second aspect, the present invention provides a blast furnace hearth operation state determination apparatus, including:
the temperature data acquisition unit is used for acquiring actual furnace bottom temperature data of the target furnace hearth and acquiring actual furnace wall temperature data of the target furnace hearth;
a heat load determination unit for determining a working heat load parameter for the target furnace hearth based on the actual hearth temperature data and the actual furnace wall temperature data;
and the working state determining unit is used for determining the working state of the target high furnace hearth according to the working heat load parameter.
Preferably, the thermal load determination unit is specifically configured to:
carrying out average calculation on each furnace bottom temperature value in the actual furnace bottom temperature data to obtain a furnace bottom temperature average value;
and determining the working heat load parameter according to each side wall temperature value in the actual furnace wall temperature data and the furnace bottom temperature average value.
In a third aspect, the present invention provides, by way of an embodiment of the present invention, a blast furnace hearth operation state determination apparatus, including a memory, a processor, and code stored on the memory and executable on the processor, where the processor implements any one of the embodiments of the first aspect when executing the code.
In a fourth aspect, the present invention provides a computer-readable storage medium, on which a computer program is stored, where the computer program is used to implement any one of the embodiments of the first aspect when executed by a processor.
One or more technical solutions provided in the embodiments of the present invention have at least the following technical effects or advantages:
firstly, acquiring actual furnace bottom temperature data of a target furnace hearth and actual furnace wall temperature data of the target furnace hearth; and determining the working heat load parameter aiming at the target high furnace hearth based on the actual furnace bottom temperature data and the actual furnace wall temperature data. Because the working heat load parameter can represent the temperature fluctuation condition of the blast furnace hearth, compared with the prior art that the working state of the hearth is judged by singly monitoring the temperature of a certain point of the hearth or the temperature difference of water, the embodiment of the invention can more accurately analyze and judge the temperature condition of the furnace wall of the hearth. Therefore, according to the working heat load parameters, the working state of the target blast furnace hearth can be more accurately determined, and the accuracy of judging the working state of the blast furnace hearth is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.
FIG. 1 is a flowchart of a method for determining the operating condition of a blast furnace hearth according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of the variation of the thermal load parameter of the blast furnace during the later stage of the campaign in accordance with an embodiment of the present invention;
FIG. 3 is a schematic diagram of the variation of the thermal load parameter of the blast furnace during the initial campaign period of the blast furnace according to the embodiment of the present invention;
FIG. 4 is a schematic view showing the structure of a blast furnace hearth operation state determining apparatus according to an embodiment of the present invention;
FIG. 5 is a schematic view showing the structure of the blast furnace hearth operation state determining apparatus according to the embodiment of the present invention;
fig. 6 is a schematic diagram of a structure of a computer-readable storage medium according to an embodiment of the present invention.
Detailed Description
The embodiment of the invention provides a method, a device, equipment and a storage medium for determining the working state of a blast furnace hearth, and solves the technical problem that the working state of the blast furnace hearth in the prior art is judged inaccurately.
In order to solve the technical problems, the embodiment of the invention provides the following general ideas:
acquiring actual furnace bottom temperature data of a target furnace hearth and actual furnace wall temperature data of the target furnace hearth; next, a work heat load parameter for the target blast furnace hearth is determined based on the actual hearth temperature data and the actual furnace wall temperature data.
Because the working heat load parameter can represent the temperature fluctuation condition of the blast furnace hearth, compared with the prior art that the working state of the hearth is judged by singly monitoring the temperature of a certain point of the hearth or the temperature difference of water, the embodiment of the invention can more accurately analyze and judge the temperature condition of the furnace wall of the hearth. Therefore, according to the working heat load parameters, the working state of the target blast furnace hearth can be more accurately determined, and the accuracy of judging the working state of the blast furnace hearth is improved.
In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.
First, it is stated that the term "and/or" appearing herein is merely one type of associative relationship that describes an associated object, meaning that three types of relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein.
In a first aspect, the present invention provides a method for determining a working state of a blast furnace hearth, which can be used to determine an erosion degree of the blast furnace hearth and a working state inside the hearth.
Referring to fig. 1, the method includes the following steps:
step S101: and acquiring actual furnace bottom temperature data of the target furnace hearth and actual furnace wall temperature data of the target furnace hearth.
Specifically, the target blast furnace hearth is provided with a furnace bottom brick lining, the bottom of the furnace bottom brick lining is provided with a plurality of first thermocouples, and the side wall surrounding the furnace bottom brick lining is provided with a plurality of second thermocouples.
In a specific implementation, the furnace bottom brick lining can be provided in multiple layers, a plurality of second thermocouples can be circumferentially arranged on each layer of side wall of the furnace bottom brick lining along a certain elevation and angle, and a plurality of first thermocouples can be arranged on the bottom area of the furnace bottom brick lining, specifically, the central area of the bottom of the furnace bottom brick lining.
Based on the thermocouple arrangement, the bottom temperature of the target high furnace hearth can be monitored through a plurality of first thermocouples so as to obtain actual furnace bottom temperature data; similarly, the target furnace hearth sidewall temperature may be monitored by a plurality of second thermocouples to obtain actual furnace wall temperature data.
Step S102: and determining the working heat load parameters of the target furnace hearth based on the actual furnace bottom temperature data and the actual furnace wall temperature data.
Specifically, each furnace bottom temperature value in the actual furnace bottom temperature data can be averaged to obtain a furnace bottom temperature average value, and then, the working heat load parameter is determined according to each side wall temperature value and the furnace bottom temperature average value in the actual furnace wall temperature data.
As an alternative embodiment, the temperature detected by the first thermocouple may be averaged to obtain an average value of the furnace bottom temperature; wherein the first thermocouple may be disposed at an uppermost layer of the bottom of the furnace bottom brick lining.
Different from the embodiment, the average calculation can be carried out on the temperature detected by the first thermocouple and the temperature detected by the second thermocouple to obtain the average value of the temperature of the furnace bottom; wherein the first thermocouple may be disposed at an uppermost layer of the bottom of the furnace bottom brick lining and the second thermocouple may be disposed at a central region of the bottom of the furnace bottom brick lining.
For example, the average calculation of each furnace bottom temperature value in the actual furnace bottom temperature data can be performed according to the following formula (1):
in formula (1), T0The average value of the temperature at the furnace bottom is expressed in unit; n is the number of the first thermocouples and is a positive integer greater than 1; t is a unit of1Is the first of the first thermocouples in units of; t isNIs the nth in the first thermocouple in degrees celsius.
In a specific implementation process, after the average value of the hearth temperature is obtained, the ratio of each side wall temperature value in the actual furnace wall temperature data to the average value of the hearth temperature can be determined, and the variance of the ratio is determined, so that the working heat load parameter is obtained.
For example, the workload thermal load parameter can be calculated according to the following equation (2):
in the formula (2), AIThe parameter is a working heat load parameter, n is the number of the second thermocouples, and n is a positive integer greater than 1; t is0The average value of the temperature at the furnace bottom is expressed in unit; t is tiIs the ith of the second thermocouple, and i is a positive integer greater than 0 and has a unit of; t is t0The average of the temperatures detected by all the second thermocouples is given in degrees celsius.
Step S103: and determining the working state of the target furnace hearth according to the working heat load parameters.
Specifically, the size relationship between the working heat load parameter and the first preset reference threshold and/or the second preset reference threshold may be determined based on the first preset reference threshold and the second preset reference threshold, and then the working state of the target hearth may be determined according to the size relationship.
In the specific implementation process, if the working heat load parameter is less than or equal to a first preset reference threshold, determining that the working state of the target furnace hearth is good; if the working heat load parameter is less than or equal to a first preset reference threshold, determining that the working state of the target high furnace hearth is poor; and if the working heat load parameter is less than or equal to a first preset reference threshold value, determining that the working state of the target furnace hearth is poor.
In this embodiment, the first preset reference threshold may be smaller than the second preset reference threshold.
It should be noted that the first preset reference threshold and the second preset reference threshold may be set according to the working state of the blast furnace hearth in combination with the actual monitoring condition of the blast furnace hearth. For example, the first preset reference threshold may be set to 1, and the second preset reference threshold may be set to 2.
In addition, in order to facilitate the technician to quickly judge the current working state of the blast furnace hearth, when the working state of the blast furnace hearth is detected to be good, the corresponding display equipment is controlled to display information indicating that the working state of the hearth is good, such as 'good state', or information transmission modes, such as green changing of a state indicator lamp, are controlled to inform the technician that the hearth does not need to be maintained.
Similarly, when the working state of the blast furnace hearth is detected to be poor, the corresponding display equipment is controlled to display information representing gradual deterioration of the working state of the hearth, such as performance reduction, or information transmission modes, such as orange change of the state indicator lamp, are controlled to inform technicians that the hearth needs to be subjected to necessary furnace operation adjustment or certain furnace protection measures.
Similarly, when the working state of the blast furnace hearth is detected to be poor, the corresponding display equipment is controlled to display information representing gradual deterioration of the working state of the hearth, such as 'performance reduction' and the like, or information transmission modes, such as red changing and the like, of the control state indicating lamp are used for informing technical personnel that the hearth has greater potential safety hazard, and a powerful furnace protection means is needed to be adopted to control the operation safety of the hearth so as to avoid safety accidents of the hearth.
In order to better understand the technical effects achieved by the embodiments of the present invention, the following description is made by applying the method provided by the embodiments of the present invention to a 5000-grade furnace.
Referring to table 1 and fig. 2, when the blast furnace is in the later production stage of the campaign, by applying the method for determining the working state of the hearth of the blast furnace provided by the embodiment of the present invention, the working thermal load parameter of the hearth can be utilized to accurately determine the working state of the hearth in time, and furnace operation adjustment and furnace protection measures can be performed in a targeted manner to ensure that the working thermal load parameter of the hearth is restored to a normal range, so that the blast furnace can be stably produced while ensuring the safe operation of the hearth of the blast furnace.
TABLE 1 working thermal load parameter and corresponding furnace protection measure in later stage of blast furnace campaign
After the blast furnace is overhauled, the blast furnace is in the initial production stage of the campaign, and as shown in table 2 and fig. 3, the blast furnace keeps normal strengthening smelting production.
TABLE 2 working heat load parameter at initial stage of blast furnace campaign and corresponding furnace protection measures
According to the method for determining the working state of the blast furnace hearth, provided by the embodiment of the invention, the working heat load parameter of the hearth is utilized, compared with the method for singly monitoring the brick lining temperature and the water temperature difference (or heat flow strength) at a certain point of the hearth, the erosion condition of the hearth is judged, the embodiment of the invention can more accurately analyze and judge the all-directional conditions of the circumference of the hearth, and the working state of the whole hearth is fed back in time.
In addition, compared with the method for judging the working state of the hearth by calculating the temperature field distribution of the hearth and the hearth bottom through the model, the embodiment of the invention effectively avoids the hysteresis and the distortion caused by the model calculation, can timely and reliably evaluate the working state of the blast furnace hearth, and provides a technical basis for technicians to adjust the blast furnace.
In a second aspect, the present invention provides an apparatus for determining an operating condition of a blast furnace hearth according to an embodiment of the present invention, as shown in fig. 4, the apparatus including:
a temperature data obtaining unit 401, configured to obtain actual furnace bottom temperature data of a target furnace hearth, and obtain actual furnace wall temperature data of the target furnace hearth;
a heat load determination unit 402, configured to determine a working heat load parameter for a target blast furnace hearth based on the actual furnace bottom temperature data and the actual furnace wall temperature data;
and a working state determining unit 403, configured to determine a working state of the target furnace hearth according to the working thermal load parameter.
As an optional implementation manner, the temperature data obtaining unit 401 is specifically configured to:
monitoring the bottom temperature of a target furnace hearth through a plurality of first thermocouples to obtain actual furnace bottom temperature data; and monitoring the temperature of the side wall of the target furnace hearth through a plurality of second thermocouples so as to obtain actual furnace wall temperature data.
As an alternative embodiment, the thermal load determination unit 402 includes:
and the first calculating subunit is used for carrying out average calculation on each furnace bottom temperature value in the actual furnace bottom temperature data to obtain a furnace bottom temperature average value.
And the second calculating subunit is used for determining the working heat load parameter according to each side wall temperature value and the furnace bottom temperature average value in the actual furnace wall temperature data.
As an optional implementation manner, the second calculating subunit is specifically configured to:
and determining the ratio of each side wall temperature value to the average furnace bottom temperature value in the actual furnace wall temperature data, and determining the variance of the ratio to obtain the working heat load parameter.
As an optional implementation manner, the operation state determination unit 403 includes:
and the judging subunit is used for judging the size relationship between the working heat load parameter and the first preset reference threshold and/or the second preset reference threshold based on the first preset reference threshold and the second preset reference threshold.
And the state determining subunit is used for determining the working state of the target blast furnace hearth according to the size relationship.
As an optional implementation manner, the state determining subunit is specifically configured to:
and when the working heat load parameter is less than or equal to a first preset reference threshold value, determining that the working state of the target furnace hearth is good.
And when the working heat load parameter is less than or equal to a first preset reference threshold, determining that the working state of the target high furnace hearth is poor.
And when the working heat load parameter is less than or equal to a first preset reference threshold value, determining that the working state of the target furnace hearth is poor.
Since the method for determining the working state of the blast furnace hearth described in this embodiment is a method used for implementing the device for determining the working state of the blast furnace hearth in the embodiment of the present invention, based on the method for determining the working state of the blast furnace hearth described in the embodiment of the present invention, a person skilled in the art can understand the specific implementation manner of the method of this embodiment and various variations thereof, and therefore, how to implement the method in the embodiment of the present invention is not described in detail herein. The method adopted by the blast furnace hearth working state determining device in the embodiment of the invention is within the protection scope of the invention as long as the person skilled in the art carries out the method.
In a third aspect, based on the same inventive concept, embodiments of the present invention provide a blast furnace hearth operation state determination apparatus.
Referring to fig. 5, the blast furnace hearth operation state determining apparatus according to the embodiment of the present invention includes: a memory 501, a processor 502 and code stored on the memory and executable on the processor 502, the processor 502 implementing any of the foregoing methods of determining the operating state of a blast furnace hearth when executing the code.
Where in fig. 5 a bus architecture (represented by bus 500) is shown, bus 500 may include any number of interconnected buses and bridges, and bus 500 links together various circuits including one or more processors, represented by processor 502, and memory, represented by memory 501. The bus 500 may also link together various other circuits such as peripherals, voltage regulators, power management circuits, and the like, which are well known in the art, and therefore, will not be described any further herein. A bus interface 505 provides an interface between the bus 500 and the receiver 503 and transmitter 504. The receiver 503 and the transmitter 504 may be the same element, i.e., a transceiver, providing a means for communicating with various other apparatus over a transmission medium. The processor 502 is responsible for managing the bus 500 and general processing, and the memory 501 may be used for storing data used by the processor 502 in performing operations.
Fourth aspect, based on the same inventive concept, as shown in fig. 6, the present embodiment provides a computer-readable storage medium 600, on which a computer program 601 is stored, wherein the program 601, when executed by a processor, implements any one of the above embodiments of the first aspect of the blast furnace hearth operation state determining method.
The technical scheme in the embodiment of the invention at least has the following technical effects or advantages:
actual furnace bottom temperature data of a target furnace hearth and actual furnace wall temperature data of the target furnace hearth are obtained; and determining the working heat load parameter aiming at the target high furnace hearth based on the actual furnace bottom temperature data and the actual furnace wall temperature data. Because the working heat load parameter can represent the temperature fluctuation condition of the blast furnace hearth, compared with the prior art that the working state of the hearth is judged by singly monitoring the temperature of a certain point of the hearth or the temperature difference of water, the embodiment of the invention can more accurately analyze and judge the temperature condition of the furnace wall of the hearth. Therefore, according to the working heat load parameters, the working state of the target blast furnace hearth can be more accurately determined, and the accuracy of judging the working state of the blast furnace hearth is improved.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable code embodied therein.
The present invention has been described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer instructions. These computer instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including the preferred embodiment and all changes and modifications that fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A method for determining the working state of a blast furnace hearth is characterized by comprising the following steps:
acquiring actual furnace bottom temperature data of a target furnace hearth and actual furnace wall temperature data of the target furnace hearth;
determining a working heat load parameter of the target high furnace hearth based on the actual furnace bottom temperature data and the actual furnace wall temperature data;
and determining the working state of the target furnace hearth according to the working heat load parameter.
2. The method of claim 1, wherein the target long hearth is provided with a hearth brick lining, a first plurality of thermocouples are disposed at a bottom of the hearth brick lining, and a second plurality of thermocouples are disposed around a side wall of the hearth brick lining;
the actual furnace bottom temperature data of the target furnace hearth is obtained, which comprises the following steps:
monitoring the bottom temperature of the target furnace hearth through the first thermocouples to obtain actual furnace bottom temperature data;
the acquiring actual furnace wall temperature data of the target furnace hearth includes:
and monitoring the side wall temperature of the target furnace hearth through the plurality of second thermocouples to obtain the actual furnace wall temperature data.
3. The method of claim 1, wherein said determining a work heat load parameter for said target blast furnace hearth based on said actual hearth temperature data and said actual furnace wall temperature data comprises:
carrying out average calculation on each furnace bottom temperature value in the actual furnace bottom temperature data to obtain a furnace bottom temperature average value;
and determining the working heat load parameter according to each side wall temperature value in the actual furnace wall temperature data and the furnace bottom temperature average value.
4. A method according to claim 3, wherein said determining the operational heat load parameter from the respective sidewall temperature value and the average sole temperature value in the actual furnace wall temperature data comprises:
and determining the ratio of each side wall temperature value in the actual furnace wall temperature data to the average value of the furnace bottom temperature, and determining the variance of the ratio to obtain the working heat load parameter.
5. The method of claim 1, wherein said determining an operating condition of the target furnace hearth from the operating heat load parameter comprises:
based on a first preset reference threshold and a second preset reference threshold, judging the size relation between the working heat load parameter and the first preset reference threshold and/or the second preset reference threshold;
and determining the working state of the target furnace hearth according to the size relation.
6. The method of claim 5,
the first preset reference threshold is smaller than the second preset reference threshold;
according to the size relation, the working state of the target furnace hearth is determined, and the method comprises the following steps:
if the working heat load parameter is less than or equal to the first preset reference threshold, determining that the working state of the target furnace hearth is good;
if the working heat load parameter is less than or equal to the first preset reference threshold, determining that the working state of the target furnace hearth is poor;
and if the working heat load parameter is less than or equal to the first preset reference threshold, determining that the working state of the target furnace hearth is poor.
7. A blast furnace hearth operation state determining apparatus, comprising:
the temperature data acquisition unit is used for acquiring actual furnace bottom temperature data of the target furnace hearth and acquiring actual furnace wall temperature data of the target furnace hearth;
a heat load determination unit for determining a working heat load parameter for the target furnace hearth based on the actual hearth temperature data and the actual furnace wall temperature data;
and the working state determining unit is used for determining the working state of the target high furnace hearth according to the working heat load parameters.
8. The apparatus of claim 7, wherein the thermal load determination unit is specifically configured to:
carrying out average calculation on each furnace bottom temperature value in the actual furnace bottom temperature data to obtain a furnace bottom temperature average value;
and determining the working heat load parameter according to each side wall temperature value in the actual furnace wall temperature data and the furnace bottom temperature average value.
9. A blast furnace hearth operation state determining apparatus comprising a memory, a processor and code stored on the memory and executable on the processor, wherein the processor implements the method of any one of claims 1-6 when executing the code.
10. A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the method of any one of claims 1 to 6.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210180029.7A CN114622047B (en) | 2022-02-25 | 2022-02-25 | Method, device, equipment and storage medium for determining working state of blast furnace hearth |
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| CN202210180029.7A CN114622047B (en) | 2022-02-25 | 2022-02-25 | Method, device, equipment and storage medium for determining working state of blast furnace hearth |
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| CN114622047A true CN114622047A (en) | 2022-06-14 |
| CN114622047B CN114622047B (en) | 2023-07-07 |
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| CN202210180029.7A Active CN114622047B (en) | 2022-02-25 | 2022-02-25 | Method, device, equipment and storage medium for determining working state of blast furnace hearth |
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| JP2002309307A (en) * | 2001-04-09 | 2002-10-23 | Nippon Steel Corp | Method for detecting temperature in furnace |
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| CN110796305A (en) * | 2019-10-28 | 2020-02-14 | 中冶赛迪重庆信息技术有限公司 | Hearth safety early warning method, system, equipment and storage medium |
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| SU854997A1 (en) * | 1979-01-31 | 1981-08-15 | Научно-исследовательский и опытно-конструкторский институт автоматизации черной металлургии | Method of temperature control in hearth of blast furnace |
| JP2002309307A (en) * | 2001-04-09 | 2002-10-23 | Nippon Steel Corp | Method for detecting temperature in furnace |
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