CN110752042A - Blast furnace hearth state determination method and device and electronic equipment - Google Patents
Blast furnace hearth state determination method and device and electronic equipment Download PDFInfo
- Publication number
- CN110752042A CN110752042A CN201910987024.3A CN201910987024A CN110752042A CN 110752042 A CN110752042 A CN 110752042A CN 201910987024 A CN201910987024 A CN 201910987024A CN 110752042 A CN110752042 A CN 110752042A
- Authority
- CN
- China
- Prior art keywords
- state
- parameter
- target
- hearth
- blast furnace
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16Z—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS, NOT OTHERWISE PROVIDED FOR
- G16Z99/00—Subject matter not provided for in other main groups of this subclass
Landscapes
- Manufacture Of Iron (AREA)
Abstract
The application provides a method and a device for determining the state of a blast furnace hearth, and electronic equipment, wherein the method for determining the state of the blast furnace hearth comprises the following steps: in the standard state, acquiring state values of a plurality of state parameters of a target blast furnace in a preset time period, and acquiring the state values of the plurality of state parameters of the target blast furnace in the preset time period, which are related to the state of a hearth of the blast furnace, in the standard state, wherein the plurality of state parameters comprise: the parameter for representing the heat level of the bottom of the hearth of the target high furnace, the parameter for representing the heat level of the hearth in the smelting period, the parameter for representing the heat level of the front end of the tuyere of the blast furnace and the parameter for representing the synchronism of the discharged molten iron and the molten iron generated by the blast furnace smelting are obtained; calculating standard state values corresponding to the multiple state parameters according to the parameter values of the multiple state parameters; collecting real-time state values of a plurality of state parameters of a target furnace at a target time; and calculating the hearth activity index of the target high furnace according to the real-time state values and the standard state values of the multiple state parameters.
Description
Technical Field
The application relates to the technical field of smelting, in particular to a method and a device for determining the state of a blast furnace hearth and electronic equipment.
Background
The hearth of the blast furnace is the most important part of the blast furnace body, and the working state of the hearth is directly related to the smooth running, the safety and the long service life of the blast furnace. For example, the hearth is inactive, and the blast furnace hearth is prone to stacking, which may affect the smooth operation and production index of the blast furnace. The activity of the hearth is too high, the carbon brick scouring of the hearth is aggravated, and the long service life and the safety of the blast furnace are not facilitated. However, in the conventional techniques, the quality of the hearth operation state of the blast furnace is not determined.
Disclosure of Invention
In view of the above, an object of the embodiments of the present application is to provide a method and an apparatus for determining a state of a blast furnace hearth, and an electronic device. The activity of the blast furnace can be determined through the state parameters of the blast furnace, so that related technicians can know the state of the blast furnace, and data guidance effect is provided for the related technicians.
In a first aspect, an embodiment of the present application provides a method for determining a state of a blast furnace hearth, including:
in a standard state, acquiring state values of a plurality of state parameters of a target blast furnace in a preset time period, wherein the plurality of state parameters comprise: the parameter for representing the heat level of the bottom of the hearth of the target high furnace, the parameter for representing the heat level of the hearth in the smelting period, the parameter for representing the heat level of the front end of the tuyere of the blast furnace and the parameter for representing the synchronism of the discharged molten iron and the molten iron generated by the blast furnace smelting are obtained;
calculating standard state values corresponding to the multiple state parameters according to the parameter values of the multiple state parameters;
collecting real-time state values of the plurality of state parameters of the target furnace at a target time;
and calculating the hearth activity index of the target high furnace according to the real-time state values and the standard state values of the plurality of state parameters.
With reference to the first aspect, an embodiment of the present application provides a first possible implementation manner of the first aspect, where: the step of calculating the hearth activity index of the target high furnace according to the real-time state values and the standard state values of the plurality of state parameters comprises the following steps:
calculating to obtain the discrete degree corresponding to each state parameter according to the real-time state value and the standard state value of each state parameter in the plurality of state parameters;
and determining the hearth activity index of the target blast furnace according to the discrete degree corresponding to each state parameter.
According to the blast furnace hearth state determining method provided by the embodiment of the application, the working state of the target blast furnace can be effectively reflected by the discrete degree determined according to the state parameters, so that the hearth activity index of the target blast furnace is determined based on the discrete degree, and the activity of the target blast furnace can be more accurately represented.
With reference to the first aspect, an embodiment of the present application provides a second possible implementation manner of the first aspect, where: the step of calculating the hearth activity index of the target high furnace according to the real-time state values and the standard state values of the plurality of state parameters comprises the following steps:
calculating to obtain a first discrete value corresponding to each state parameter according to the real-time state value and the standard state value of each state parameter in the plurality of state parameters;
calculating to obtain a second discrete value corresponding to each state parameter according to the real-time state value and the standard state value of each state parameter in the plurality of state parameters, wherein the first discrete value corresponding to each state parameter is twice as large as the second discrete value;
calculating to obtain a third discrete value corresponding to each state parameter according to the real-time state value and the standard state value of each state parameter in the plurality of state parameters, wherein the first discrete value corresponding to each state parameter is three times of the third discrete value;
and calculating the hearth activity index of the target blast furnace according to the first discrete value, the second discrete value and the third discrete value corresponding to each state parameter.
According to the method for determining the state of the blast furnace hearth, multiple groups of discrete values determined according to state parameters are adopted, and more reference standards are determined for the hearth activity index of a target high furnace based on the multiple groups of discrete values, so that the activity of the target high furnace can be better shown.
With reference to the second possible implementation manner of the first aspect, an embodiment of the present application provides a third possible implementation manner of the first aspect, where the multiple state parameters include: furnace core temperature, molten iron temperature, slag viscosity, tapping time, slag yield, iron amount difference, wind speed and theoretical combustion temperature;
the calculation of the hearth activity index of the target blast furnace according to the first discrete value, the second discrete value and the third discrete value corresponding to each state parameter is realized by the following formula:
K＝(K1+K2+K3)/a1/a2；
wherein, K represents the hearth activity index of the target high furnace, K1 represents the sum of first discrete values of the core temperature, the molten iron temperature, the slag viscosity, the tapping time, the slag tapping rate, the iron quantity difference, the wind speed and the theoretical combustion temperature in each state parameter, K2 represents the sum of second discrete values of the core temperature, the molten iron temperature, the slag viscosity, the tapping time, the slag tapping rate, the iron quantity difference, the wind speed and the theoretical combustion temperature in each state parameter, K3 represents the sum of second discrete values of the core temperature, the molten iron temperature, the slag viscosity, the tapping time, the slag tapping rate, the iron quantity difference, the wind speed and the theoretical combustion temperature in each state parameter, a1 represents a constant, and a2 represents a constant.
The method for determining the state of the blast furnace hearth provided by the embodiment of the application adopts the following parameters which have great influence on the blast furnace hearth: the hearth activity index of the target blast furnace is calculated according to the temperature of the furnace core, the temperature of molten iron, the viscosity of slag, the tapping time, the slag tapping rate, the iron quantity difference, the wind speed and the theoretical combustion temperature, so that the working state of the blast furnace hearth can be considered on the basis of multiple aspects, and the activity of the target blast furnace can be more accurately represented by the calculated hearth activity index.
With reference to the third possible implementation manner of the first aspect, this application example provides a fourth possible implementation manner of the first aspect, where the calculating of the first discrete value is implemented by the following formula:
Δx＝|xc-xsign board|；
Wherein x isSign boardA standard state value, x, representing one of the state parameterscRepresenting a real-time state value of one state parameter acquired at the target time of the target blast furnace, and deltax representing the deviation of one state parameter;
where σ x represents the standard deviation of one of the state parameters, xiThe data acquisition device comprises a data acquisition unit, a data acquisition unit and a data acquisition unit, wherein the data acquisition unit is used for acquiring the ith data in the state value of one state parameter acquired in the standard state, and n is used for acquiring the number of the state values acquired in the standard state for each state parameter;
xd＝Δx/σx，
wherein x isdA first discrete value representing one of the state parameters.
According to the blast furnace hearth state determining method provided by the embodiment of the application, the deviation of the state parameters is determined based on the standard values of the state parameters and the real-time state values, the standard deviation of the state parameters is determined according to the standard values and the standard deviation of the state parameters determined under the standard state, and the discrete values are determined based on two data capable of representing the fluctuation of the state parameters, so that the activity of the target blast furnace can be more accurately obtained on the basis.
With reference to the first aspect or any one of the possible implementation manners of the first aspect, an embodiment of the present application provides a fourth possible implementation manner of the first aspect, where the method further includes:
and adjusting the process parameters of the target furnace according to the hearth active index of the target furnace.
With reference to the fifth possible implementation manner of the first aspect, the present application provides a sixth possible implementation manner of the first aspect, where the step of adjusting the process parameter of the target blast furnace according to the hearth activity index of the target blast furnace includes:
when the hearth active index of the target high furnace is in a first numerical value interval, the process parameters of the target high furnace are not changed;
when the hearth activity index of the target high furnace is in a second value interval, determining a target parameter influencing the activity index of the target high furnace according to the standard state values and the real-time state values of the multiple state parameters, and adjusting a process parameter corresponding to the target parameter, wherein the lower numerical limit of the second value interval is not smaller than the upper numerical limit of the first value interval;
when the hearth active index of the target high furnace is in a third numerical value interval, adjusting a plurality of process parameters of the target high furnace; and the lower numerical limit of the third numerical interval is not less than the upper numerical limit of the second numerical interval.
According to the method for determining the state of the blast furnace hearth, the hearth activity index is determined according to various state parameters, and the technological parameters of the target blast furnace are pertinently adjusted according to the hearth activity index, so that the smelting effect of the target blast furnace is improved.
In a second aspect, an embodiment of the present application further provides a blast furnace hearth state determining apparatus, including:
the first acquisition module is used for acquiring state values of a plurality of state parameters of the target blast furnace in a preset time period in a standard state, wherein the plurality of state parameters comprise: the parameter for representing the heat level of the bottom of the hearth of the target high furnace, the parameter for representing the heat level of the hearth in the smelting period, the parameter for representing the heat level of the front end of the tuyere of the blast furnace and the parameter for representing the synchronism of the discharged molten iron and the molten iron generated by the blast furnace smelting are obtained;
the first calculation module is used for calculating the standard state values corresponding to the plurality of state parameters according to the parameter values of the plurality of state parameters;
the second acquisition module is used for acquiring real-time state values of the plurality of state parameters of the target furnace at a target time;
and the second calculation module is used for calculating the hearth activity index of the target blast furnace according to the real-time state values and the standard state values of the plurality of state parameters.
In a third aspect, an embodiment of the present application further provides an electronic device, including: a processor, a memory storing machine-readable instructions executable by the processor, the machine-readable instructions, when executed by the processor, performing the steps of the method of the first aspect described above, or any possible implementation of the first aspect, when the electronic device is run.
In a fourth aspect, this embodiment of the present application further provides a computer-readable storage medium, on which a computer program is stored, where the computer program is executed by a processor to perform the steps of the method in the first aspect or any one of the possible implementation manners of the first aspect.
According to the method, the device, the electronic equipment and the computer readable storage medium for determining the state of the blast furnace hearth, the state parameters of the blast furnace are adopted to determine the activity of the blast furnace, so that the change rule of the working parameters of the blast furnace hearth can be known according to the obtained state parameters of the blast furnace, practical data support is provided for early adjustment of blast furnace operation, and the technical level of blast furnace operation is improved.
Further, the core temperature, the molten iron temperature, the slag viscosity, the tapping time, the slag yield, the iron quantity difference, the wind speed and the theoretical combustion temperature which have great influence on the blast furnace are mainly utilized in determining the activity index of the blast furnace, so that the activity state of a hearth of the blast furnace can be better represented by the activity index obtained through calculation.
In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
Fig. 1 is a block diagram of an electronic device according to an embodiment of the present disclosure.
Fig. 2 is a flowchart of a method for determining a state of a blast furnace hearth according to an embodiment of the present application.
Fig. 3 is a detailed flowchart of step 204 of a blast furnace hearth status determination method provided in an embodiment of the present application.
Fig. 4 is a flowchart of another blast furnace hearth state determining method according to an embodiment of the present application.
Fig. 5 is a functional module schematic diagram of a blast furnace hearth state determining apparatus provided in an embodiment of the present application.
Detailed Description
The technical solution in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present application, the terms "first", "second", and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.
The inventor of the present application has studied the operation of the blast furnace, and can qualitatively evaluate the quality of the hearth operation state of the blast furnace by the activity of the hearth of the blast furnace. Alternatively, the activity of the blast furnace can be preliminarily understood on a theoretical level using data such as a resistance coefficient of the hearth iron slag flowing through the hearth coke layer, a void ratio of the hearth coke, a flow speed of the iron slag in the hearth, and the like. However, the furnace hearth activity index cannot be defined by directly quantized indexes, and the blast furnace operator cannot be effectively guided to judge the activity of the furnace hearth from the actual field perspective.
Based on this, the inventor of the application combines production practice, and timely and quantitatively judges the working state of the hearth according to production field data, so that the method for determining the state of the hearth of the blast furnace in the embodiment of the application is provided, and the hearth activity index of the blast furnace is calculated according to various state parameters in the working process of the blast furnace, so that a relatively reliable data base can be provided for the operation of a blast furnace operator. Therefore, the problems that the hearth of the blast furnace is easy to accumulate and the smooth running and production indexes of the blast furnace are seriously influenced because the activity of the blast furnace in the working process is too low can be solved, and the problems that the carbon brick of the hearth is seriously scoured and the long service life and the safety of the blast furnace are not facilitated because the activity of the hearth is too high can be solved.
Example one
To facilitate understanding of the present embodiment, first, an electronic device for performing the method for determining the state of the hearth of the blast furnace disclosed in the embodiments of the present application will be described in detail.
As shown in fig. 1, is a block schematic diagram of an electronic device. The electronic device 100 may include a memory 111, a memory controller 112, a processor 113, a peripheral interface 114, an input-output unit 115, and a display unit 116. It will be understood by those of ordinary skill in the art that the structure shown in fig. 1 is merely exemplary and is not intended to limit the structure of the electronic device 100. For example, electronic device 100 may also include more or fewer components than shown in FIG. 1, or have a different configuration than shown in FIG. 1.
The above-mentioned elements of the memory 111, the memory controller 112, the processor 113, the peripheral interface 114, the input/output unit 115 and the display unit 116 are electrically connected to each other directly or indirectly, so as to implement data transmission or interaction. For example, the components may be electrically connected to each other via one or more communication buses or signal lines. The processor 113 is used to execute the executable modules stored in the memory.
The Memory 111 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 Read-Only Memory (EPROM), an electrically Erasable Read-Only Memory (EEPROM), and the like. The memory 111 is configured to store a program, and the processor 113 executes the program after receiving an execution instruction, and the method executed by the electronic device 100 defined by the process disclosed in any embodiment of the present application may be applied to the processor 113, or implemented by the processor 113.
The processor 113 may be an integrated circuit chip having signal processing capability. The Processor 113 may be a general-purpose Processor, and includes a Central Processing Unit (CPU), a Network Processor (NP), and the like; the Integrated Circuit may also be a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other programmable logic device, a discrete gate or transistor logic device, or a discrete hardware component. The various methods, steps, and logic blocks disclosed in the embodiments of the present application may be implemented or performed. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
The peripheral interface 114 couples various input/output devices to the processor 113 and memory 111. In some embodiments, the peripheral interface 114, the processor 113, and the memory controller 112 may be implemented in a single chip. In other examples, they may be implemented separately from the individual chips.
The input/output unit 115 is used to provide input data to the user. The input/output unit 115 may be, but is not limited to, a mouse, a keyboard, and the like.
The display unit provides an interactive interface (e.g., a user interface) between the electronic device 100 and a user or for displaying image data to a user reference. In this embodiment, the display unit may be a liquid crystal display or a touch display. In the case of a touch display, the display can be a capacitive touch screen or a resistive touch screen, which supports single-point and multi-point touch operations. The support of single-point and multi-point touch operations means that the touch display can sense touch operations simultaneously generated from one or more positions on the touch display, and the sensed touch operations are sent to the processor for calculation and processing.
The electronic device 100 in this embodiment may be configured to perform each step in each method provided in this embodiment. The following describes in detail the implementation of the blast furnace hearth condition determination method by means of several embodiments.
Example two
Please refer to fig. 2, which is a flowchart illustrating a method for determining a state of a hearth of a blast furnace according to an embodiment of the present application. The specific process shown in fig. 2 will be described in detail below.
For example, the standard state can indicate the state of good production indexes of the high furnace. Alternatively, the standard condition may be a period of one cycle of the target furnace in a full-blast total oxygen smelting condition.
Illustratively, the plurality of status parameters may include: furnace core temperature, molten iron temperature, slag viscosity, tapping time, slag yield, iron amount difference, wind speed and theoretical combustion temperature.
Wherein, the temperature of the furnace core represents the temperature of the furnace hearth central point at the bottom of the furnace hearth of the target high furnace in unit ℃. The temperature of the furnace core can directly reflect the heat level at the bottom of the furnace cylinder.
The temperature of the molten iron represents the temperature of the molten iron produced by the target blast furnace in the period of data acquisition. The molten iron temperature can represent the heat level of molten iron discharged from the hearth, unit: DEG C. The temperature of the molten iron can reflect the heat level of the furnace cylinder in the smelting period.
The slag viscosity represents the viscosity value of the slag produced by the target blast furnace smelting in the temperature condition of 1500 ℃ in the period, and the unit is as follows: pa.s. The slag viscosity can reflect the fluidity of the slag iron in the furnace hearth. Wherein the lower the viscosity, the better the slag fluidity.
The tapping time represents the total time of opening the taphole of the target blast furnace to discharge molten iron in the period of data acquisition, and the unit is as follows: min/day. The tapping time can reflect the synchronism of molten iron generated by blast furnace smelting and molten iron discharged from a hearth.
The slag tapping rate represents the percentage of the slag tapping time in the period of data acquisition to the total time of opening the iron notch to discharge molten iron, and the unit is as follows: % of the total weight of the composition. The slag yield can reflect the synchronism of the amount of slag generated by blast furnace smelting and the amount of slag discharged from the hearth.
The iron content difference represents the difference between the amount of the iron water discharged from the blast furnace hearth and the amount of iron generated by blast furnace smelting in a period, and the unit is as follows: ton. The iron amount difference can verify whether molten iron remains in the furnace cylinder in the smelting period.
The wind speed represents the blast furnace blast speed during the period, and represents the blast furnace blast capacity to penetrate the blast furnace charge column, unit: (m/s). The wind velocity reflects the velocity of blast furnace blast entering the tuyere.
The theoretical combustion temperature is a value calculated according to basic parameters such as the amount of pulverized coal injected into the blast furnace, the temperature of hot air, oxygen-rich amount, blast humidity, air quantity and the like, and represents the level of heat at the front end of a blast furnace tuyere in a period. In one example, the theoretical combustion temperature calculation formula may be expressed as:
1570+0.808*twind power+4.37*wOxygen gas+5.85*wWet+2.56*wCoal (coal)；
Wherein, tWind powerIndicates the temperature of the incoming air, wOxygen gasRepresents the oxygen-rich amount, wWetIndicating the blast humidity, wCoal (coal)Indicating the amount of coal injected.
Illustratively, none of the parameter values of the above eight state parameters are zero valid.
Optionally, the state values of the various state parameters of the target level furnace can be detected and obtained through sensors installed on or at the target level furnace; or the process parameter determination of the blast furnace.
For example, the state values of the core temperature, the molten iron temperature, the slag viscosity, the tapping time, the slag tapping rate, the iron amount difference, and the wind speed may be determined by various sensors, or process parameters of the target furnace during operation.
The theoretical combustion temperature can be obtained by calculation according to the state values of the inlet air temperature, the oxygen-rich amount, the blast humidity and the injected coal amount. Wherein, the temperature of the air entering the furnace, the oxygen-rich amount, the blast humidity and the coal injection amount can be determined by a sensor or the process parameters of equipment.
In an embodiment, an average value of the plurality of parameter values of each state parameter may be calculated as a standard state value corresponding to the state parameter.
In an embodiment, a value obtained by weighted summation of the plurality of parameter values of each state parameter may be calculated as a standard state value corresponding to the state parameter. Illustratively, the sum of the weights corresponding to the respective parameter values may be equal to one.
The calculation of the standard state value and standard deviation of the core temperature t can be realized by the following formulas:
tsign board＝(t1+t2+t3+...+tn)/n；
Wherein, tSign boardStandard state value, t, representing the temperature of the furnace core1、t2、t3、...、tnAnd n represents the number of the state values corresponding to each state parameter acquired in the standard state. Exemplary, t1、t2、t3、...、tnThe temperature value of the furnace core of the n-item level furnace collected in the standard state can be represented.
The calculation of the standard state value and the standard deviation of the molten iron temperature Pt can be realized by the following formula:
Ptsign board＝(Pt1+Pt2+Pt3+...+Ptn)/n；
Wherein, PtSign boardStandard state value, Pt, representing the temperature of the molten iron1、Pt2、Pt3、...、PtnAnd the temperature values of the molten iron of the n-item level furnace collected in the standard state are represented. Exemplary, Pt1、Pt2、Pt3、...、PtnThe method can represent the molten iron temperature values of the n-item level furnace acquired in the standard state.
The calculation of the standard state value and standard deviation of slag viscosity β can be achieved by the following formula:
βsign board＝(β1+β2+β3+...+βn)/n；
Wherein, βSign boardStandard State value representing slag viscosity, β1、β2、β3、...、βnRepresenting slag viscosity values of n items of level furnaces collected under standard conditions, exemplary, β1、β2、β3、...、βnCan represent the slag viscosity values of n items of level furnaces collected under a standard state.
The calculation of the standard state value and standard deviation of the tapping time T can be achieved by the following formula:
Tsign board＝(T1+T2+T3+...+Tn)/n；
Wherein, TSign boardStandard state value, T, representing tapping time1、T2、T3、...、TnThe tapping time values of the n-item level furnaces obtained in the standard state are shown. Exemplary, T1、T2、T3、...、TnThe tapping time value of the n-item level furnace obtained by calculating the actual average tapping time value per day under the standard state can be represented.
The calculation of the standard state value and standard deviation of the slag tapping rate α can be achieved by the following formula:
αsign board＝(α1+α2+α3+...+αn)/n；
Wherein, αSign boardStandard State value for slag tapping rate, α1、α2、α3、...、αnRepresenting the slag tapping rate values of n-item level furnaces obtained under standard conditions, exemplary, α1、α2、α3、...、αnCan be expressed in the standardAnd obtaining the slag tapping rate value of the n-item level furnace according to the actual slag tapping rate value every day in the state.
The calculation of the standard state value and standard deviation of the iron amount difference P can be realized by the following formulas:
Psign board＝(P1+P2+P3+...+Pn)/n；
Wherein the iron content difference is the difference between the actual iron yield and the theoretical iron yield of the blast furnace, PSign boardStandard state value, P, representing the difference in iron content1、P2、P3、...、PnAnd the difference value of the iron amount of the n-item level furnace collected in the standard state is shown. Exemplary, P1、P2、P3、...、PnThe difference value of the iron amount of the n-item level furnace obtained by obtaining the difference value of the iron amount according to the actual iron amount in the standard state every day can be represented.
The calculation of the standard state value and standard deviation of the wind speed V can be achieved by the following formula:
Vsign board＝(V1+V2+V3+...+Vn)/n；
Wherein, VSign boardNormal state value, V, representing wind speed1、V2、V3、...、VnAnd the wind speed values of the n items of level furnaces collected in the standard state are shown. Exemplary, V1、V2、V3、...、VnThe wind speed values of the n-item level furnaces collected under the standard state can be represented.
The calculation of the standard state value and the standard deviation of the theoretical combustion temperature TF can be realized by the following formulas:
TFsign board＝(TF1+TF2+TF3+...+TFn)/n；
Wherein, TFSign boardStandard state value, TF, representing the theoretical combustion temperature1、TF2、TF3、...、TFnAnd the theoretical combustion temperature values of the n-item level furnace obtained in the standard state are shown. Exemplary, TF1、TF2、TF3、...、TFnCan be shown inAnd (4) calculating theoretical combustion temperature values of the n-item level furnace in a standard state.
The target time may be a required time period or a time.
For example, when the target time is a time period, the real-time status value may be an average value of the time period.
The target time may be a time in the standard state in step 201, or may be a time other than the standard state.
And 204, calculating the hearth activity index of the target blast furnace according to the real-time state values and the standard state values of the plurality of state parameters.
In one embodiment, step 204 may comprise: calculating to obtain the discrete degree corresponding to each state parameter according to the real-time state value and the standard state value of each state parameter in the plurality of state parameters; and determining the hearth activity index of the target blast furnace according to the discrete degree corresponding to each state parameter.
In another embodiment, as shown in fig. 3, the step 204 may include the following steps.
Step 2041, calculating to obtain a first discrete value corresponding to each state parameter according to the real-time state value and the standard state value of each state parameter in the plurality of state parameters.
Illustratively, the calculation of the first discrete value is achieved by the following formula:
Δx＝|xc-xsign board|；
Wherein x isSign boardA standard state value, x, representing one of the state parameterscAnd the real-time state value of one state parameter acquired at the target time of the target blast furnace is represented, and the deltax represents the deviation of one state parameter.
Where σ x represents the standard deviation of one of the state parameters, xiThe data represents the ith data in the state values of one state parameter acquired in the standard state, and n represents the number of the state values acquired in the standard state for each state parameter.
xd＝Δx/σx，
Wherein x isdA first discrete value representing one of the state parameters.
Illustratively, when the target time is a time in the standard state, the real-time state value x is as described abovecAt may be x1、x2、...、xnThe above formula for calculating the standard deviation can be expressed as:
Wherein, the first discrete value corresponding to each state parameter is twice as large as the second discrete value.
And the first discrete value corresponding to each state parameter is three times of the third discrete value.
And 2044, calculating the hearth activity index of the target blast furnace according to the first discrete value, the second discrete value and the third discrete value corresponding to each state parameter.
Optionally, the plurality of status parameters include: furnace core temperature, molten iron temperature, slag viscosity, tapping time, slag yield, iron amount difference, wind speed and theoretical combustion temperature.
K＝(K1+K2+K3)/a1/a2；
wherein, K represents the hearth activity index of the target high furnace, K1 represents the sum of first discrete values of the core temperature, the molten iron temperature, the slag viscosity, the tapping time, the slag tapping rate, the iron quantity difference, the wind speed and the theoretical combustion temperature in each state parameter, K2 represents the sum of second discrete values of the core temperature, the molten iron temperature, the slag viscosity, the tapping time, the slag tapping rate, the iron quantity difference, the wind speed and the theoretical combustion temperature in each state parameter, K3 represents the sum of second discrete values of the core temperature, the molten iron temperature, the slag viscosity, the tapping time, the slag tapping rate, the iron quantity difference, the wind speed and the theoretical combustion temperature in each state parameter, a1 represents a constant, and a2 represents a constant.
Illustratively, K1 ═ td+PTd+βd+Td+αd+Pd+Vd+TFd；
K2＝(td+PTd+βd+Td+αd+Pd+Vd+TFd)/2；
K3＝(td+PTd+βd+Td+αd+Pd+Vd+TFd)/3；
Wherein, td、PTd、βd、Td、αd、Pd、Vd、TFdRespectively representing first discrete values of the temperature of the furnace core, the temperature of molten iron, the viscosity of slag, the tapping time, the slag yield, the iron quantity difference, the wind speed and the theoretical combustion temperature.
Illustratively, a1 may be equal to the number of discrete value terms used to calculate the activity index of a target furnace; a2 may be equal to the number of parameter terms selected for calculating the target high furnace activity index. In one example, a1 may take a value of 3 and a2 may take a value of 8, and the hearth activity index of the target furnace in this example is expressed as: k ═ K1+ K2+ K3)/3/8.
Based on the calculated hearth activity index of the target furnace, which may be used as a basis for adjusting process parameters of the target furnace, as shown in fig. 4, the method in this embodiment may further include:
The parameter values of the various state parameters are not zero, so that the hearth activity index of the target high furnace obtained through calculation is also not zero. Wherein, the more zero the hearth activity index tends to, the better the activity of the hearth of the target high furnace is represented.
Alternatively, there may be the following various processing modes for step 205.
And when the hearth activity index of the target high furnace is in a first value interval, not changing the process parameters of the target high furnace.
Illustratively, the first numerical region may be in the range of 0 to 1. Wherein, when the hearth activity index of the target furnace is in the interval of 0-1, the activity grade of the hearth of the target furnace is excellent. In this interval, the process parameters of the target blast furnace may not be adjusted. For example, when the hearth activity index of the target furnace is 0.1, 0.5, or 0.9, the process parameters of the target furnace may not be adjusted.
And when the hearth activity index of the target high furnace is in a second value interval, determining a target parameter influencing the hearth activity index of the target high furnace according to the standard state values and the real-time state values of the multiple state parameters, and adjusting a process parameter corresponding to the target parameter.
And the lower numerical limit of the second numerical interval is not less than the upper numerical limit of the first numerical interval. Illustratively, the second numerical region may be in the interval of 1-2. Wherein, when the hearth activity index of the target furnace is in a range of 1-2, the activity grade of the hearth of the target furnace is good.
For example, when the hearth activity index of the target blast furnace is 1.1, 1.5, 1.9, the target parameter affecting the activity index of the target blast furnace may be determined, and the process parameter corresponding to the target parameter may be adjusted. Optionally, a corresponding state parameter in which an average value of the first discrete value, the second discrete value, and the third discrete value is greater than a set value may be selected, and a process parameter corresponding to the state parameter may be adjusted, where the set value may be 1.5, 2, and so on.
Alternatively, the critical point for the first numerical interval and the second numerical interval may be processed in the processing manner for the first numerical interval, or may be processed in the processing manner for the second numerical interval.
And when the hearth active index of the target high furnace is in a third numerical value interval, adjusting a plurality of process parameters of the target high furnace.
Illustratively, all process parameters of the target blast furnace may be adapted.
And the lower numerical limit of the third numerical interval is not less than the upper numerical limit of the second numerical interval. Illustratively, the first numerical value region described above may be an interval greater than 2. Wherein, when the hearth activity index of the target furnace is more than 2, the activity grade of the hearth of the target furnace is poor.
Illustratively, when the hearth activity index of the target furnace is 2.1, 3.5 and 3.9, a plurality of process parameters of the target furnace are adjusted.
Alternatively, the critical points of the second numerical interval and the third numerical interval may be processed in the processing method of the second numerical interval, or may be processed in the processing method of the third numerical interval.
The beneficial effects that can reach through the above-mentioned embodiment of this application include: by establishing the working state evaluation standard of the hearth and quantitatively calculating the hearth activity index of the blast furnace, the blast furnace process technicians can know the hearth running state of the blast furnace, the stable and smooth running capability of the blast furnace is enhanced, and the safety control level of the hearth of the blast furnace is improved. Furthermore, by formulating a series of standards, the hearth activity index is established, the change rule of the working parameters of the blast furnace hearth can be mastered in time, practical data support is provided for realizing adjustment of blast furnace operation, and therefore the technical level of blast furnace operation is further improved.
The following describes in detail, by way of an example, a process of calculating a hearth activity index of a blast furnace by using a blast furnace hearth status determination method provided in an embodiment of the present application.
In one example, in the standard state, the state values of the plurality of state parameters of the target blast furnace are acquired to include data of january, february and march, wherein each month corresponds to an average value for each state parameter.
Wherein the average values of the furnace core temperatures in january, february and march are 338 ℃, 341 ℃ and 339 ℃, respectively, and the furnace core temperature of the target time to be tested is 340 ℃. Based on the respective state values of the core temperature, the standard value of the core temperature was calculated to be 339.3 ℃, the deviation of the core temperature was calculated to be 0.7 ℃, and the standard deviation of the core temperature was calculated to be 1.1358.
The molten iron temperatures in january, february and march are 1504 ℃, 1504 ℃ and 1503 ℃, respectively, and the molten iron temperature of the target time to be tested is 1502 ℃. Based on the respective state values of the molten iron temperatures, the standard value of the molten iron temperature was calculated to be 1503.6 ℃, the deviation of the molten iron temperature was calculated to be 1.6 ℃, and the standard deviation of the molten iron temperature was calculated to be 0.9.
The slag viscosity at 1500 ℃ in january, february and march was 0.406pa.s, 0.396pa.s, 0.398pa.s, respectively, and the measured value of the slag viscosity at the target time to be tested was 0.398 pa.s. Based on the respective state values of the slag viscosity, a standard value of the slag viscosity was calculated to be 0.4, a deviation of the slag viscosity was calculated to be 0.002, and a standard deviation of the slag viscosity was calculated to be 0.00387.
The tapping time in january, february and march is 1421 min/day, 1425 min/day and 1423 min/day respectively, and the tapping time of the target time to be tested is 1424 min/day. Based on each state value of the tapping time, the standard value of the tapping time is 1423 min/day, the deviation of the tapping time is 1, and the standard deviation of the tapping time is 1.5.
The slag tapping rates in january, february and march were 94.75%, 95.72%, 95.69%, respectively, with the slag tapping rate at the target time to be tested being 95.58%. Based on each state value of the slag yield, the standard value of the slag yield was calculated to be 95.38%, the deviation of the slag yield was 0.2%, and the standard deviation of the slag yield was 0.403%.
The iron amount difference in january, february and march was 16 tons, 21 tons and 18 tons, respectively, and the iron amount difference for the target time to be tested was 11 tons. Based on the respective state values of the iron amount difference, a standard value of the iron amount difference was calculated to be 18.3 tons, a deviation of the iron amount difference was calculated to be 7.3 tons, and a standard deviation of the iron amount difference was calculated to be 5.17.
Wind speeds in january, february and march were 248m/s, 248.6m/s, 249.3m/s, respectively, and the wind speed at the target time to be tested was 248.7 m/s. Based on each state value of the wind speed, a standard value of the wind speed was calculated to be 248.63m/s, a deviation of the wind speed was calculated to be 0.07m/s, and a standard deviation of the wind speed was calculated to be 0.461.
The theoretical combustion temperatures in january, february and march were 2206 ℃, 2199 ℃ and 2205 ℃, respectively, and the theoretical combustion temperature for the target time to be tested averaged to 2201 ℃. Based on the respective state values of the theoretical combustion temperatures, the standard value of the theoretical combustion temperature was calculated to be 2203.3 ℃, the deviation of the theoretical combustion temperature was calculated to be 2.3 ℃, and the standard deviation of the theoretical combustion temperature was calculated to be 2.914.
Further, calculating the sum of the first discrete values in this example is represented as:
K1＝1/1.3158+1.6/0.9+0.002/0.00387+1/1.5+0.2％/0.403％
+7.3/5.17+0.07/0.461+2.3/2.914＝6.597
K2＝K1/2＝6.597/2＝3.299
K3＝K1/3＝6.597/3＝2.199
K＝(K1+K2+K3)/3/8＝0.504。
in this example, the activity of the hearth of the blast furnace is good. Thus, in this example, no adjustments to the process parameters of the blast furnace may be made.
It will be appreciated that the above examples are merely exemplary, and that the hearth activity index calculated as a function of the state values of the various state parameters of the blast furnace will vary.
EXAMPLE III
Based on the same application concept, the embodiment of the application also provides a device for determining the state of the hearth of the blast furnace, which corresponds to the method for determining the state of the hearth of the blast furnace.
Please refer to fig. 5, which is a schematic diagram of a functional module of a blast furnace hearth state determining apparatus according to an embodiment of the present application. Each module in the blast furnace hearth condition determining apparatus in this embodiment is used to perform each step in the above-described method embodiment. The blast furnace hearth state determining device comprises: a first obtaining module 301, a first calculating module 302, a second obtaining module 303, and a second calculating module 304; wherein the content of the first and second substances,
a first obtaining module 301, configured to obtain state values of multiple state parameters of a target blast furnace in a preset time period in a standard state, where the multiple state parameters include: the parameter for representing the heat level of the bottom of the hearth of the target high furnace, the parameter for representing the heat level of the hearth in the smelting period, the parameter for representing the heat level of the front end of the tuyere of the blast furnace and the parameter for representing the synchronism of the discharged molten iron and the molten iron generated by the blast furnace smelting are obtained;
a first calculating module 302, configured to calculate, according to parameter values of the multiple state parameters, standard state values corresponding to the multiple state parameters;
a second obtaining module 303, configured to collect real-time state values of the multiple state parameters of the target furnace at a target time;
a second calculating module 304, configured to calculate a hearth activity index of the target blast furnace according to the real-time state values and the standard state values of the multiple state parameters.
In a possible implementation, the second calculating module 304 is further configured to:
calculating to obtain the discrete degree corresponding to each state parameter according to the real-time state value and the standard state value of each state parameter in the plurality of state parameters;
and determining the hearth activity index of the target blast furnace according to the discrete degree corresponding to each state parameter.
In one possible implementation, the second calculation module 304 includes: a first calculating unit, a second calculating unit, a third calculating unit, and a fourth calculating unit.
The first calculating unit is used for calculating to obtain a first discrete value corresponding to each state parameter according to the real-time state value and the standard state value of each state parameter in the plurality of state parameters;
the second calculation unit is used for calculating and obtaining a second discrete value corresponding to each state parameter according to the real-time state value and the standard state value of each state parameter in the plurality of state parameters, wherein the first discrete value corresponding to each state parameter is twice as large as the second discrete value;
the third calculating unit is used for calculating and obtaining a third discrete value corresponding to each state parameter according to the real-time state value and the standard state value of each state parameter in the plurality of state parameters, wherein the first discrete value corresponding to each state parameter is three times of the third discrete value;
and the fourth calculating unit is used for calculating the hearth activity index of the target blast furnace according to the first discrete value, the second discrete value and the third discrete value corresponding to each state parameter.
In one possible embodiment, the plurality of status parameters includes: furnace core temperature, molten iron temperature, slag viscosity, tapping time, slag yield, iron amount difference, wind speed and theoretical combustion temperature; a fourth calculation unit further configured to:
K＝(K1+K2+K3)/a1/a2；
wherein, K represents the hearth activity index of the target high furnace, K1 represents the sum of first discrete values of the core temperature, the molten iron temperature, the slag viscosity, the tapping time, the slag tapping rate, the iron quantity difference, the wind speed and the theoretical combustion temperature in each state parameter, K2 represents the sum of second discrete values of the core temperature, the molten iron temperature, the slag viscosity, the tapping time, the slag tapping rate, the iron quantity difference, the wind speed and the theoretical combustion temperature in each state parameter, K3 represents the sum of second discrete values of the core temperature, the molten iron temperature, the slag viscosity, the tapping time, the slag tapping rate, the iron quantity difference, the wind speed and the theoretical combustion temperature in each state parameter, a1 represents a constant, and a2 represents a constant.
In a possible embodiment, the calculation of the first discrete value is carried out by the following formula:
Δx＝|xc-xsign board|；
Wherein x isSign boardA standard state value, x, representing one of the state parameterscRepresenting a real-time state value of one state parameter acquired at the target time of the target blast furnace, and deltax representing the deviation of one state parameter;
where σ x represents the standard deviation of one of the state parameters, xiThe data acquisition device comprises a data acquisition unit, a data acquisition unit and a data acquisition unit, wherein the data acquisition unit is used for acquiring the ith data in the state value of one state parameter acquired in the standard state, and n is used for acquiring the number of the state values acquired in the standard state for each state parameter;
xd＝Δx/σx，
wherein x isdA first discrete value representing one of the state parameters.
In one possible embodiment, the blast furnace hearth condition determining apparatus further includes: and the adjusting module 305 is configured to adjust the process parameter of the target furnace according to the hearth activity index of the target furnace.
In a possible implementation, the adjusting module is further configured to:
when the hearth active index of the target high furnace is in a first numerical value interval, the process parameters of the target high furnace are not changed;
when the hearth activity index of the target high furnace is in a second value interval, determining a target parameter influencing the activity index of the target high furnace according to the standard state values and the real-time state values of the multiple state parameters, and adjusting a process parameter corresponding to the target parameter, wherein the lower numerical limit of the second value interval is not smaller than the upper numerical limit of the first value interval;
when the hearth active index of the target high furnace is in a third numerical value interval, adjusting a plurality of process parameters of the target high furnace; and the lower numerical limit of the third numerical interval is not less than the upper numerical limit of the second numerical interval.
In addition, the present application also provides a computer-readable storage medium, which stores a computer program, and when the computer program is executed by a processor, the computer program performs the steps of the blast furnace hearth state determination method described in the above method embodiments.
The computer program product of the method for determining a state of a hearth of a blast furnace provided in the embodiment of the present application includes a computer-readable storage medium storing program codes, where instructions included in the program codes may be used to execute steps of the method for determining a state of a hearth of a blast furnace described in the above method embodiment, which may be referred to in the above method embodiment specifically, and are not described herein again.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus and method can be implemented in other ways. The apparatus embodiments described above are merely illustrative, and for example, the flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of apparatus, methods and computer program products according to various embodiments of the present application. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
In addition, functional modules in the embodiments of the present application may be integrated together to form an independent part, or each module may exist separately, or two or more modules may be integrated to form an independent part.
The functions, if implemented in the form of software functional modules and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application or portions thereof that substantially contribute to the prior art may be embodied in the form of a software product stored in a storage medium and including instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes. It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
The above description is only for the specific embodiments of the present application, but the scope of the present application 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 application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. A blast furnace hearth state determining method is characterized by comprising the following steps:
in a standard state, acquiring state values of a plurality of state parameters related to the state of a blast furnace hearth of a target blast furnace in a preset time period, wherein the plurality of state parameters comprise: the parameter for representing the heat level of the bottom of the hearth of the target high furnace, the parameter for representing the heat level of the hearth in the smelting period, the parameter for representing the heat level of the front end of the tuyere of the blast furnace and the parameter for representing the synchronism of the discharged molten iron and the molten iron generated by the blast furnace smelting are obtained;
calculating standard state values corresponding to the multiple state parameters according to the parameter values of the multiple state parameters;
collecting real-time state values of the plurality of state parameters of the target furnace at a target time;
and calculating the hearth activity index of the target high furnace according to the real-time state values and the standard state values of the plurality of state parameters.
2. The method of claim 1, wherein the step of calculating an activity index of the target hearth from the real-time status values and the standard status values of the plurality of status parameters comprises:
calculating to obtain the discrete degree corresponding to each state parameter according to the real-time state value and the standard state value of each state parameter in the plurality of state parameters;
and determining the hearth activity index of the target blast furnace according to the discrete degree corresponding to each state parameter.
3. The method of claim 1, wherein the step of calculating a hearth activity index of the target blast furnace from the real-time status values and the standard status values of the plurality of status parameters comprises:
calculating to obtain a first discrete value corresponding to each state parameter according to the real-time state value and the standard state value of each state parameter in the plurality of state parameters;
calculating to obtain a second discrete value corresponding to each state parameter according to the real-time state value and the standard state value of each state parameter in the plurality of state parameters, wherein the first discrete value corresponding to each state parameter is twice as large as the second discrete value;
calculating to obtain a third discrete value corresponding to each state parameter according to the real-time state value and the standard state value of each state parameter in the plurality of state parameters, wherein the first discrete value corresponding to each state parameter is three times of the third discrete value;
and calculating the hearth activity index of the target blast furnace according to the first discrete value, the second discrete value and the third discrete value corresponding to each state parameter.
4. The method of claim 3, wherein the plurality of state parameters comprise: furnace core temperature, molten iron temperature, slag viscosity, tapping time, slag yield, iron amount difference, wind speed and theoretical combustion temperature; the calculation of the hearth activity index of the target blast furnace according to the first discrete value, the second discrete value and the third discrete value corresponding to each state parameter is realized by the following formula:
K＝(K1+K2+K3)/a1/a2；
wherein, K represents the hearth activity index of the target high furnace, K1 represents the sum of first discrete values of the core temperature, the molten iron temperature, the slag viscosity, the tapping time, the slag tapping rate, the iron quantity difference, the wind speed and the theoretical combustion temperature in each state parameter, K2 represents the sum of second discrete values of the core temperature, the molten iron temperature, the slag viscosity, the tapping time, the slag tapping rate, the iron quantity difference, the wind speed and the theoretical combustion temperature in each state parameter, K3 represents the sum of second discrete values of the core temperature, the molten iron temperature, the slag viscosity, the tapping time, the slag tapping rate, the iron quantity difference, the wind speed and the theoretical combustion temperature in each state parameter, a1 represents a constant, and a2 represents a constant.
5. The method of claim 4, wherein the calculation of the first discrete value is achieved by the following equation:
Δx＝|xc-xsign board|；
Wherein x isSign boardA standard state value, x, representing one of the state parameterscRepresenting a real-time state value of one state parameter acquired at the target time of the target blast furnace, and deltax representing the deviation of one state parameter;
where σ x represents the standard deviation of one of the state parameters, xiThe data acquisition device comprises a data acquisition unit, a data acquisition unit and a data acquisition unit, wherein the data acquisition unit is used for acquiring the ith data in the state value of one state parameter acquired in the standard state, and n is used for acquiring the number of the state values acquired in the standard state for each state parameter;
xd＝Δx/σx，
wherein x isdA first discrete value representing one of the state parameters.
6. The method according to any one of claims 1-5, further comprising:
and adjusting the hearth process parameters of the target furnace according to the hearth active index of the target furnace.
7. The method of claim 6, wherein the step of adjusting the process parameter of the target blast furnace based on the hearth activity index of the target blast furnace comprises:
when the hearth active index of the target high furnace is in a first numerical value interval, the process parameters of the target high furnace are not changed;
when the hearth activity index of the target high furnace is in a second value interval, determining a target parameter influencing the activity index of the target high furnace according to the standard state values and the real-time state values of the multiple state parameters, and adjusting a process parameter corresponding to the target parameter, wherein the lower numerical limit of the second value interval is not smaller than the upper numerical limit of the first value interval;
when the hearth active index of the target high furnace is in a third numerical value interval, adjusting a plurality of process parameters of the target high furnace; and the lower numerical limit of the third numerical interval is not less than the upper numerical limit of the second numerical interval.
8. A blast furnace hearth condition determining apparatus, comprising:
the first acquisition module is used for acquiring state values of a plurality of state parameters of the target blast furnace in a preset time period in a standard state, wherein the plurality of state parameters comprise: the parameter for representing the heat level of the bottom of the hearth of the target high furnace, the parameter for representing the heat level of the hearth in the smelting period, the parameter for representing the heat level of the front end of the tuyere of the blast furnace and the parameter for representing the synchronism of the discharged molten iron and the molten iron generated by the blast furnace smelting are obtained;
the first calculation module is used for calculating the standard state values corresponding to the plurality of state parameters according to the parameter values of the plurality of state parameters;
the second acquisition module is used for acquiring real-time state values of the plurality of state parameters of the target furnace at a target time;
and the second calculation module is used for calculating the hearth activity index of the target blast furnace according to the real-time state values and the standard state values of the plurality of state parameters.
9. An electronic device, comprising: a processor, a memory storing machine-readable instructions executable by the processor, the machine-readable instructions when executed by the processor performing the steps of the method of any of claims 1 to 7 when the electronic device is run.
10. A computer-readable storage medium, having stored thereon a computer program which, when being executed by a processor, is adapted to carry out the steps of the method according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910987024.3A CN110752042B (en) | 2019-10-16 | 2019-10-16 | Blast furnace hearth state determination method and device and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910987024.3A CN110752042B (en) | 2019-10-16 | 2019-10-16 | Blast furnace hearth state determination method and device and electronic equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110752042A true CN110752042A (en) | 2020-02-04 |
| CN110752042B CN110752042B (en) | 2022-03-11 |
Family
ID=69278707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910987024.3A Active CN110752042B (en) | 2019-10-16 | 2019-10-16 | Blast furnace hearth state determination method and device and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110752042B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113564292A (en) * | 2021-06-25 | 2021-10-29 | 武汉钢铁有限公司 | Whole temperature state monitoring system of furnace hearth |
| CN114703334A (en) * | 2022-04-06 | 2022-07-05 | 攀钢集团攀枝花钢铁研究院有限公司 | Method for evaluating activity of vanadium-titanium ore blast furnace smelting hearth |
| CN114881492A (en) * | 2022-04-11 | 2022-08-09 | 北京智冶互联科技有限公司 | Method and device for automatically extracting blast furnace performance operating standard and electronic equipment |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102571630A (en) * | 2011-12-26 | 2012-07-11 | 腾讯科技（深圳）有限公司 | Method and device for evaluating user liveness in anonymous social system |
| CN103400145A (en) * | 2013-07-19 | 2013-11-20 | 北京理工大学 | Voice-vision fusion emotion recognition method based on hint nerve networks |
| CN104388613A (en) * | 2014-11-13 | 2015-03-04 | 北京首钢股份有限公司 | Method for quantitative evaluation of activeness of blast furnace hearth |
| CN105400915A (en) * | 2015-12-29 | 2016-03-16 | 中冶赛迪工程技术股份有限公司 | Method and system for quantitatively evaluating distribution of gas flows on blast furnace top |
| CN106755672A (en) * | 2017-02-27 | 2017-05-31 | 本钢板材股份有限公司 | The furnace cylinder working active index quantization method of monitoring blast furnace crucibe activity |
| CN108611456A (en) * | 2016-12-13 | 2018-10-02 | 上海梅山钢铁股份有限公司 | A kind of method that top temperature is controlled by blast furnace combining upper and lower under excess oxygen |
| CN109487023A (en) * | 2018-12-25 | 2019-03-19 | 鞍钢集团朝阳钢铁有限公司 | A method of judging furnace cylinder working state |
| CN110283953A (en) * | 2019-07-29 | 2019-09-27 | 广东韶钢松山股份有限公司 | Smelting control method, device, electronic equipment and computer readable storage medium |
-
2019
- 2019-10-16 CN CN201910987024.3A patent/CN110752042B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102571630A (en) * | 2011-12-26 | 2012-07-11 | 腾讯科技（深圳）有限公司 | Method and device for evaluating user liveness in anonymous social system |
| CN103400145A (en) * | 2013-07-19 | 2013-11-20 | 北京理工大学 | Voice-vision fusion emotion recognition method based on hint nerve networks |
| CN104388613A (en) * | 2014-11-13 | 2015-03-04 | 北京首钢股份有限公司 | Method for quantitative evaluation of activeness of blast furnace hearth |
| CN105400915A (en) * | 2015-12-29 | 2016-03-16 | 中冶赛迪工程技术股份有限公司 | Method and system for quantitatively evaluating distribution of gas flows on blast furnace top |
| CN108611456A (en) * | 2016-12-13 | 2018-10-02 | 上海梅山钢铁股份有限公司 | A kind of method that top temperature is controlled by blast furnace combining upper and lower under excess oxygen |
| CN106755672A (en) * | 2017-02-27 | 2017-05-31 | 本钢板材股份有限公司 | The furnace cylinder working active index quantization method of monitoring blast furnace crucibe activity |
| CN109487023A (en) * | 2018-12-25 | 2019-03-19 | 鞍钢集团朝阳钢铁有限公司 | A method of judging furnace cylinder working state |
| CN110283953A (en) * | 2019-07-29 | 2019-09-27 | 广东韶钢松山股份有限公司 | Smelting control method, device, electronic equipment and computer readable storage medium |
Non-Patent Citations (1)
| Title |
|---|
| 陈川 等: "炉缸活跃性指数及改善措施", 《钢铁》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113564292A (en) * | 2021-06-25 | 2021-10-29 | 武汉钢铁有限公司 | Whole temperature state monitoring system of furnace hearth |
| CN114703334A (en) * | 2022-04-06 | 2022-07-05 | 攀钢集团攀枝花钢铁研究院有限公司 | Method for evaluating activity of vanadium-titanium ore blast furnace smelting hearth |
| CN114881492A (en) * | 2022-04-11 | 2022-08-09 | 北京智冶互联科技有限公司 | Method and device for automatically extracting blast furnace performance operating standard and electronic equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110752042B (en) | 2022-03-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110752042B (en) | Blast furnace hearth state determination method and device and electronic equipment | |
| CN105608492B (en) | A kind of polynary molten steel quality flexible measurement method based on robust random weight neutral net | |
| CN110699503B (en) | Method and device for determining state adjustment strategy of blast furnace hearth and electronic equipment | |
| CN103017530B (en) | Method and system for predicting sintering burn-through point | |
| CN110283953B (en) | Smelting control method and device, electronic equipment and computer readable storage medium | |
| CN105593381B (en) | Control device and control method for converter furnace blowing equipment | |
| CN116862052A (en) | Scoring method and scoring system for blast furnace conditions | |
| CN109439812B (en) | Method for measuring high-slag discharge amount and defoaming blast furnace slag | |
| CN101581939B (en) | Method and system for monitoring fuel ratio of blast furnace in real time | |
| CN103033054B (en) | Negative pressure control method and negative pressure control system for main exhaust fan of sintering machine | |
| CN103045855B (en) | Method and system for predicting thickness of sintered ore bed | |
| CN110628974B (en) | Operation decision method and system based on safe liquid level of hearth | |
| CN106679602A (en) | Method and device for determining thickness change of slag crust of copper cooling wall of blast furnace | |
| CN115466810B (en) | Tuyere layout regulating and controlling method and device | |
| CN109022650B (en) | Method for identifying distribution of upper gas flow of blast furnace | |
| CN103033055A (en) | Air volume control method and air volume control system for main exhaust fan of sintering machine | |
| CN103017533A (en) | Method and system for controlling air quantity of main draft fan of sintering machine | |
| CN207581847U (en) | The analoging detecting device that a kind of burden distribution system influences blast furnace melting with soft | |
| JP7502626B2 (en) | Method for judging the condition of a blast furnace | |
| US20220390930A1 (en) | Operation method and operation system for production facilities | |
| CN106290940A (en) | It is applied to the performance rate method detection intelligent data processing method of biochemistry analyzer | |
| CN113637814A (en) | Method for regulating and controlling blast furnace center airflow fluctuation | |
| CN113722986B (en) | Method for establishing dynamic control mathematical model of carbon content of VOD furnace | |
| CN103981330A (en) | Method and device for measuring carbon content of molten steel | |
| CN111307223B (en) | Mixed gas analysis and determination method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |