CN116618163A - Coal mill control parameter determining method, device, equipment and storage medium - Google Patents
Coal mill control parameter determining method, device, equipment and storage medium Download PDFInfo
- Publication number
- CN116618163A CN116618163A CN202310841785.4A CN202310841785A CN116618163A CN 116618163 A CN116618163 A CN 116618163A CN 202310841785 A CN202310841785 A CN 202310841785A CN 116618163 A CN116618163 A CN 116618163A
- Authority
- CN
- China
- Prior art keywords
- coal
- determining
- heat
- air
- temperature
- 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.)
- Pending
Links
- 239000003245 coal Substances 0.000 title claims abstract description 311
- 238000000034 method Methods 0.000 title claims abstract description 59
- 239000000843 powder Substances 0.000 claims abstract description 122
- 238000004590 computer program Methods 0.000 claims description 16
- 239000000428 dust Substances 0.000 claims description 10
- 230000008569 process Effects 0.000 abstract description 12
- 230000006870 function Effects 0.000 description 28
- 238000004891 communication Methods 0.000 description 8
- 238000012545 processing Methods 0.000 description 7
- 238000012549 training Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000004088 simulation Methods 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 3
- 230000003993 interaction Effects 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003491 array Methods 0.000 description 1
- 238000013473 artificial intelligence Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000010801 machine learning Methods 0.000 description 1
- 238000007620 mathematical function Methods 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Landscapes
- Disintegrating Or Milling (AREA)
Abstract
The application discloses a coal mill control parameter determining method, device, equipment and storage medium. The method comprises the following steps: acquiring the hot air baffle valve position opening, the cold air baffle valve position opening, the inlet hot air temperature, the inlet cold air temperature and coal related information of the coal mill; determining hot air heat of the coal mill according to the opening of the hot air baffle valve and the inlet hot air temperature; determining cold air heat of the coal mill according to the opening of the cold air baffle valve and the inlet cold air temperature; determining the total heat of wind powder of the coal mill according to the related information of the hot air heat, the cold air heat and the coal; determining the actual outlet air powder temperature of the coal mill according to the total heat of the air powder, the opening of the hot air baffle valve, the opening of the cold air baffle valve and the coal related information; coal mill control parameters including actual outlet air powder temperature are generated. The embodiment of the application realizes the accurate determination of the control parameters generated in the running process of the coal mill.
Description
Technical Field
The present application relates to the field of data processing technologies, and in particular, to a method, an apparatus, a device, and a storage medium for determining control parameters of a coal mill.
Background
Under the energy situation of large-scale grid connection of new energy, the fluctuation of wind-solar power supply is difficult to stabilize by the matched energy storage peak regulation capability, the thermal power is passively in a deep peak regulation state, the coal mill is used as a main system for frequent start and stop in the thermal power peak regulation, the system is complex, the start and stop operation amount is large, the operation habits of operators are different, the operation level is uneven, the large disturbance is easily formed on the steam temperature and the steam pressure of a unit in the process of powder preparation start and stop, and the control parameters in the operation process of the coal mill are difficult to accurately determine.
At present, control parameters of the coal mill in the operation process are generated by manually operating the coal mill, however, the control parameters of the obtained operation process are inaccurate due to the fact that the related switching value step sequence and analog value step sequence are complex in the operation process of the coal mill, and the situation that the control parameters deviate from actual control parameter values exists.
Disclosure of Invention
The application provides a method, a device, equipment and a storage medium for determining control parameters of a coal mill, which are used for accurately determining the control parameters generated in the operation process of the coal mill.
According to an aspect of the application, there is provided a coal mill control parameter determination method, the method comprising:
acquiring the hot air baffle valve position opening, the cold air baffle valve position opening, the inlet hot air temperature, the inlet cold air temperature and coal related information of the coal mill;
determining the hot air heat of the coal mill according to the opening of the hot air baffle valve and the inlet hot air temperature;
determining cold air heat of the coal mill according to the cold air baffle valve opening and the inlet cold air temperature;
determining the total heat of wind powder of the coal mill according to the hot air heat, the cold air heat and the coal related information;
determining the actual outlet air powder temperature of the coal mill according to the total heat of the air powder, the opening of the hot air baffle valve, the opening of the cold air baffle valve and the coal related information;
and generating coal mill control parameters comprising the actual outlet wind powder temperature.
According to another aspect of the present application, there is provided a coal mill control parameter determining apparatus comprising:
the information acquisition module is used for acquiring the hot air baffle valve opening degree, the cold air baffle valve opening degree, the inlet hot air temperature, the inlet cold air temperature and the coal related information of the coal mill;
the hot air heat determining module is used for determining the hot air heat of the coal mill according to the opening of the hot air baffle valve and the inlet hot air temperature;
the cold air heat determining module is used for determining the cold air heat of the coal mill according to the opening of the cold air baffle valve and the inlet cold air temperature;
the wind powder total heat determining module is used for determining the wind powder total heat of the coal mill according to the hot wind heat, the cold wind heat and the coal related information;
the actual air powder temperature determining module is used for determining the actual outlet air powder temperature of the coal mill according to the total air powder heat, the opening of the hot air baffle valve, the opening of the cold air baffle valve and the coal related information;
and the control parameter generation module is used for generating coal mill control parameters including the actual outlet wind powder temperature.
According to another aspect of the present application, there is provided an electronic apparatus including:
at least one processor; and
a memory communicatively coupled to the at least one processor; wherein,,
the memory stores a computer program executable by the at least one processor to enable the at least one processor to perform the coal mill control parameter determination method of any one of the embodiments of the present application.
According to another aspect of the application, there is provided a computer readable storage medium storing computer instructions for causing a processor to execute the method for determining a coal mill control parameter according to any one of the embodiments of the application.
According to the technical scheme, the hot air heat of the coal mill is determined according to the opening degree of the hot air baffle valve and the inlet hot air temperature; determining cold air heat of the coal mill according to the opening of the cold air baffle valve and the inlet cold air temperature; determining the total heat of wind powder of the coal mill according to the related information of the hot air heat, the cold air heat and the coal; determining the actual outlet air powder temperature of the coal mill according to the total heat of the air powder, the opening of the hot air baffle valve, the opening of the cold air baffle valve and the coal related information; coal mill control parameters including actual outlet air powder temperature are generated. According to the technical scheme, the coal mill control parameters such as the actual outlet air powder temperature of the coal mill are obtained through simulation and determination based on the obtained relevant parameters of the coal mill, such as the valve position opening of the cold and hot air baffle, the temperature of the cold and hot air and the like, so that the accurate determination of the coal mill control parameters is realized.
It should be understood that the description in this section is not intended to identify key or critical features of the embodiments of the application or to delineate the scope of the application. Other features of the present application will become apparent from the description that follows.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a flow chart of a coal pulverizer control parameter determination method according to a first embodiment of the present application;
FIG. 2 is a flow chart of a coal pulverizer control parameter determination method according to a second embodiment of the present application;
FIG. 3 is a flow chart of a coal pulverizer control parameter determination method according to a third embodiment of the present application;
FIG. 4 is a schematic structural view of a coal pulverizer control parameter determination device according to a fourth embodiment of the present application;
fig. 5 is a schematic structural view of an electronic device for implementing a method for determining control parameters of a coal mill according to an embodiment of the application.
Detailed Description
In order that those skilled in the art will better understand the present application, a technical solution in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present application without making any inventive effort, shall fall within the scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the application described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Example 1
Fig. 1 is a flowchart of a method for determining a control parameter of a coal mill according to a first embodiment of the present application, where the method may be performed by a device for determining a control parameter of a coal mill operation, and the device may be implemented in hardware and/or software, and the device may be configured in an electronic device. As shown in fig. 1, the method includes:
s110, acquiring the hot air baffle valve position opening, the cold air baffle valve position opening, the inlet hot air temperature, the inlet cold air temperature and the coal related information of the coal mill.
Wherein the hot air baffle and the cold air baffle are arranged on the upper part of the coal mill; the inlet hot air temperature can be the temperature of the inlet air from a hot air baffle of the coal mill; the inlet cold air temperature can be the temperature of the inlet air from a cold air baffle of the coal mill; the coal related information may include information related to the coal feed amount and the coal temperature of the coal mill.
S120, determining the hot air heat of the coal mill according to the opening degree of the hot air baffle valve and the inlet hot air temperature.
For example, the hot air heat of the coal pulverizer can be determined based on a pre-trained hot air heat determination network model according to the hot air flapper valve position opening and the inlet hot air temperature. The hot air heat determining network model can be obtained by training a preset network model in advance based on the historical hot air baffle valve position opening and the historical inlet hot air temperature in a historical period.
In order to further improve the accuracy of determining the hot air heat of the coal mill, the hot air heat of the coal mill can be determined in the following manner.
In an alternative embodiment, determining the hot air heat of the coal pulverizer based on the hot air flapper valve position opening and the inlet hot air temperature includes: determining the flow of hot air according to the opening of the hot air baffle valve; and determining the hot air heat of the coal mill according to the hot air flow and the inlet hot air temperature.
Illustratively, the flow of hot air is determined based on a preset multi-line segment function according to the opening of the hot air baffle valve. Wherein the multi-line segment function canAnd thus a function resulting from the 12-segment polyline combination. According to the falling range of the opening of the hot air baffle valve, a corresponding straight line can be determined, and the hot air flow can be determined based on a function corresponding to the straight line. For example, the multi-line segment function may be a function formed by combining 12 broken line segments composed of 13 coordinate points. Wherein the 13 coordinate points are (X) 1 ,Y 1 )，(X 2 ,Y 2 )，……，(X 13 ,Y 13 ). If the hot air baffle valve is at the opening degree X k Fall into (X) 4 ,X 5 ) Within the range, (X) 4 ,Y 4 ) And (X) 5 ,Y 5 ) The generated straight line is used as a straight line function for determining the flow rate of the hot air, and the opening degree X of the hot air baffle valve is based on the straight line function k And determining the flow rate of the hot air. The number of coordinate points and the coordinate point values of the generated multi-line segment function can be preset by a related technician according to actual requirements.
For example, the product between the flow rate of hot air and the inlet air temperature, or the product weighted equally, may be used as the hot air heat of the coal mill.
S130, determining cold air heat of the coal mill according to the opening degree of the cold air baffle valve and the inlet cold air temperature.
For example, the cold air heat of the coal mill may be determined based on a pre-trained cold air heat determination network model based on the cold air flapper valve position opening and the inlet cold air temperature. The cold air heat quantity determination network model can be obtained by training a preset network model in advance based on the historical cold air baffle valve position opening and the historical inlet cold air temperature in a historical period.
In order to further improve the accuracy of determining the cold air heat of the coal mill, the cold air heat of the coal mill can be determined in the following manner.
In an alternative embodiment, determining the cold air heat of the coal mill based on the cold air flapper valve position opening and the inlet cold air temperature includes: determining cold air flow according to the opening of the cold air baffle valve; and determining cold air heat of the coal mill according to the cold air flow and the inlet cold air temperature.
Exemplary, according to the cold air shieldAnd determining the cold air flow based on a preset multi-line function. Wherein the multi-line segment function may be a function resulting from a 12-segment polyline combination. According to the falling range of the opening of the cold air baffle valve, a corresponding straight line can be determined, and the cold air flow can be determined based on a function corresponding to the straight line. For example, the multi-line segment function may be a function formed by combining 12 broken line segments composed of 13 coordinate points. Wherein the 13 coordinate points are (M) 1 ,N 1 )，(M 2 ,N 2 )，……，(M 13 ,N 13 ). If the cold air baffle valve is at the opening M k Fall into (M) 5 ,M 6 ) Within the range, (M) 5 ,N 5 ) Sum (M) 6 ,N 6 ) The generated straight line is used as a straight line function for determining the cold air flow rate and is based on the straight line function and the cold air baffle valve position opening M k And determining the cold air flow. The number of coordinate points and the coordinate point values of the generated multi-line segment function can be preset by a related technician according to actual requirements.
And S140, determining the total heat of wind powder of the coal mill according to the related information of the hot air heat, the cold air heat and the coal.
For example, the net model may be determined based on pre-trained total heat of the mill based on the hot air heat, the cold air heat, and the coal related information. The network model for determining the total heat of the wind powder can be obtained by pre-training a preset network model based on the historical hot air heat, the historical cold air heat and the historical coal related information in a historical period.
Optionally, the coal heat can be determined according to the coal related information, and the sum of the heat among the hot air heat, the cold air heat and the coal heat can be used as the total heat of the wind powder of the coal mill. It will be appreciated that to further improve the accuracy of determining the total heat of the fines for a coal mill, the total heat of the fines may also be determined in the following manner.
In an alternative embodiment, the coal-related information includes a coal feed amount and a coal temperature; correspondingly, according to the related information of hot air heat, cold air heat and coal, determining the total heat of wind powder of the coal mill, wherein the method comprises the following steps: determining the coal heat of the coal mill according to the coal feeding amount and the coal temperature; and determining the total heat of wind powder of the coal mill according to the hot air heat, the cold air heat and the coal heat.
Illustratively, the coal heat of the coal pulverizer is determined based on the coal feed and the coal temperature. Specifically, if the coal feed amount is F f The temperature of the coal is T m Coal heat Q of coal mill m The determination of (2) may be as follows:
Q m ＝K 1 *F f *T m ；
wherein K is 1 Is the specific heat coefficient.
For example, the total heat of the hot air heat, the cold air heat and the coal heat can be determined as the total heat of the wind powder of the coal mill; the total heat of the wind powder of the coal mill can be determined by the weighted average sum of the heat of hot air, the heat of cold air and the heat of coal. Optionally, if the total heat of the wind powder is a weighted average sum of the three heat amounts, the weight parameters of the hot air heat amount, the cold air heat amount and the coal heat amount may be preset by related technicians according to actual needs.
S150, determining the actual outlet air powder temperature of the coal mill according to the total heat of the air powder, the opening of the hot air baffle valve, the opening of the cold air baffle valve and the coal related information.
For example, the flow rate of the hot air can be determined according to the opening degree of the hot air baffle valve; determining cold air flow according to the opening of the cold air baffle valve; and determining the actual outlet air powder temperature of the coal mill according to the hot air flow, the cold air flow, the total heat of the air powder and the coal related information.
For example, the network model may be determined based on a preset actual temperature according to the hot air flow, the cold air flow, the total heat of the air powder and the coal related information, and the actual outlet air powder temperature of the coal mill may be determined. The actual temperature determination network model can be obtained by performing model training on a preset network model based on the historical hot air flow, the historical cold air flow, the historical wind powder total heat and the historical coal related information in a historical period as a sample training set.
S160, generating coal mill control parameters including actual outlet wind powder temperature.
The control parameters of the coal mill can also comprise hot air flow, cold air flow, hot air heat, cold air heat, total heat of wind powder and the like besides the actual outlet wind powder temperature.
According to the technical scheme, the hot air heat of the coal mill is determined according to the opening degree of the hot air baffle valve and the inlet hot air temperature; determining cold air heat of the coal mill according to the opening of the cold air baffle valve and the inlet cold air temperature; determining the total heat of wind powder of the coal mill according to the related information of the hot air heat, the cold air heat and the coal; determining the actual outlet air powder temperature of the coal mill according to the total heat of the air powder, the opening of the hot air baffle valve, the opening of the cold air baffle valve and the coal related information; coal mill control parameters including actual outlet air powder temperature are generated. According to the technical scheme, the coal mill control parameters such as the actual outlet air powder temperature of the coal mill are obtained through simulation and determination based on the obtained relevant parameters of the coal mill, such as the valve position opening of the cold and hot air baffle, the temperature of the cold and hot air and the like, so that the accurate determination of the coal mill control parameters is realized.
Example two
Fig. 2 is a flowchart of a coal mill control parameter determining method according to a second embodiment of the present application, where the present embodiment is optimized and improved based on the above technical solutions.
Further, the actual outlet air powder temperature of the coal mill is determined to be 'thinned' according to the total heat of the air powder, the opening of the hot air baffle valve, the opening of the cold air baffle valve and the coal related information, and the hot air flow is determined according to the opening of the hot air baffle valve; determining cold air flow according to the opening of the cold air baffle valve; determining the inlet air quantity of the coal mill according to the cold air flow and the hot air flow; and determining the actual outlet air powder temperature of the coal mill according to the coal feeding amount, the inlet air quantity and the total air powder heat in the coal related information. Correspondingly, the coal mill control parameters including the actual outlet air powder temperature generated in the step are refined into the coal mill control parameters including the actual outlet air powder temperature and the inlet air quantity. The method is used for perfecting the determination mode of the actual outlet air powder temperature of the coal mill and perfecting the control parameters of the coal mill. In the embodiments of the present application, the descriptions of other embodiments may be referred to in the portions not described in detail.
As shown in fig. 2, the method comprises the following specific steps:
s210, acquiring the hot air baffle valve position opening, the cold air baffle valve position opening, the inlet hot air temperature, the inlet cold air temperature and the coal related information of the coal mill.
S220, determining the hot air heat of the coal mill according to the opening of the hot air baffle valve and the inlet hot air temperature.
S230, determining cold air heat of the coal mill according to the opening degree of the cold air baffle valve and the inlet cold air temperature.
S240, determining the total heat of wind powder of the coal mill according to the related information of the hot air heat, the cold air heat and the coal.
S250, determining the flow of the hot air according to the opening degree of the hot air baffle valve.
And S260, determining the cold air flow according to the opening degree of the cold air baffle valve.
The cold air flow and the hot air flow can be obtained by converting the multi-line function, and the embodiment will not be described in detail.
S270, determining the inlet air quantity of the coal mill according to the cold air flow and the hot air flow.
For example, the cold air flow and the hot air flow can be added together, and the inlet air quantity of the coal mill is obtained through an inertia filter function after the addition. The implementation of the inertial filter function is not limited, and any inertial filter function may be used. For example, the first-order inertial filter function may be used, or the second-order inertial filter function may be used.
S280, determining the actual outlet air powder temperature of the coal mill according to the coal feeding amount, the inlet air quantity and the total air powder heat in the coal related information.
In an alternative embodiment, determining the actual outlet air dust temperature of the coal mill based on the coal feed, inlet air volume, and total air dust heat in the coal related information includes: determining the expected outlet air powder temperature of the coal mill according to the coal feeding amount, the inlet air quantity and the total air powder heat in the coal related information; and determining the actual outlet air powder temperature of the coal mill according to the expected outlet air powder temperature.
By way of example, the expected outlet air dust temperature of a coal mill may be determined as follows:
wherein Q is out Is the total heat of the wind powder; k (K) 1 Is the specific heat coefficient; f (F) f Is the coal feeding amount; f (F) a Is inlet air quantity; t (T) yq The outlet air temperature is expected for the coal mill.
For example, the actual outlet air dust temperature of the coal mill may be determined as follows:
T sj ＝K 2 *T yq ；
wherein T is yq The temperature of the outlet air powder is expected for the coal mill; k (K) 2 The temperature coefficient is preset by the related technicians according to actual requirements.
Optionally, if the hot primary air isolation door of the coal mill is opened, the actual outlet air powder temperature is T sj If the hot primary air isolation door of the coal mill is closed, the actual outlet air powder temperature is T sj =0. T to be subjected to third-order inertial filter function sj And determining the actual outlet air powder temperature.
S290, generating coal mill control parameters including actual outlet air powder temperature and inlet air quantity.
In an alternative embodiment, the inlet air temperature of the coal mill is determined based on the inlet air volume, the hot air heat and the cold air heat; correspondingly, generating coal mill control parameters including actual outlet air powder temperature and inlet air quantity, including: and generating coal mill control parameters including the actual outlet air powder temperature, the inlet air quantity and the inlet air temperature.
Wherein, inlet air temperature T of coal mill in The determination mode of (2) is as follows:
wherein Q is 1 Is hot air heat; q (Q) 2 Is cold air heat; f (F) a Is inlet air quantity; f (·) is a predetermined second order inertial filter function.
Illustratively, coal mill control parameters are generated that include actual outlet air dust temperature, inlet air volume, and inlet air temperature.
According to the technical scheme of the embodiment, the flow rate of the hot air is determined according to the opening degree of the hot air baffle valve; determining cold air flow according to the opening of the cold air baffle valve; determining the inlet air quantity of the coal mill according to the cold air flow and the hot air flow; according to the coal feeding amount, the inlet air quantity and the total heat of the wind powder in the coal related information, the actual outlet wind powder temperature of the coal mill is determined, and the accurate determination of the actual outlet wind powder temperature of the coal mill is realized, so that the accuracy of determining the control parameters of the coal mill is improved.
Example III
Fig. 3 is an interactive schematic diagram of a method for determining control parameters of a coal pulverizer according to a third embodiment of the present application. The present embodiment provides a preferred example based on the above-described embodiments.
As shown in fig. 3, the method comprises the following specific steps:
s301, acquiring the hot air baffle valve position opening, the cold air baffle valve position opening, the inlet hot air temperature, the inlet cold air temperature, the coal feeding amount and the coal temperature of the coal mill.
S302, determining the flow of the hot air according to the opening degree of the hot air baffle valve.
S303, determining the hot air heat of the coal mill according to the hot air flow and the inlet hot air temperature.
S304, determining cold air flow according to the opening of the cold air baffle valve.
S305, determining cold air heat of the coal mill according to the cold air flow and the inlet cold air temperature.
S306, determining the coal heat of the coal mill according to the coal feeding amount and the coal temperature.
S307, determining the total heat of wind powder of the coal mill according to the hot air heat, the cold air heat and the coal heat.
S308, determining the inlet air quantity of the coal mill according to the cold air flow and the hot air flow.
S309, determining the actual outlet air powder temperature of the coal mill according to the coal feeding amount, the inlet air quantity and the total air powder heat in the coal related information.
S310, determining the inlet air temperature of the coal mill according to the inlet air quantity, the hot air heat and the cold air heat.
S311, generating coal mill control parameters including actual outlet air powder temperature, inlet air quantity and inlet air temperature.
It should be noted that, the mathematical function of the present application may be a configuration module in a distributed control system (Distributed Control System, DCS), may be based on the acquired relevant input parameters of the coal mill, and may implement process simulation based on DCS configuration, and specifically may be to input parameters into corresponding configuration modules in the DCS, where the connection relationship between each configuration module is built in advance by relevant technicians.
Example IV
Fig. 4 is a schematic structural diagram of a coal mill control parameter determining device according to a fourth embodiment of the present application. The device for determining the control parameters of the coal mill provided by the embodiment of the application can be suitable for determining the control parameters of the operation process of the coal mill, and the device for determining the control parameters of the coal mill can be realized in a hardware and/or software mode, as shown in fig. 4, and specifically comprises: an information acquisition module 401, a hot air heat determination module 402, a cold air heat determination module 403, a total air powder heat determination module 404, an actual air powder temperature determination 405 and a control parameter generation module 406.
Wherein,,
the information acquisition module 401 is used for acquiring the hot air baffle valve position opening, the cold air baffle valve position opening, the inlet hot air temperature, the inlet cold air temperature and the coal related information of the coal mill;
a hot air heat determining module 402, configured to determine hot air heat of the coal mill according to the hot air baffle valve opening and the inlet hot air temperature;
a cold air heat determining module 403, configured to determine cold air heat of the coal mill according to the cold air baffle valve opening and the inlet cold air temperature;
the total wind powder heat determining module 404 is configured to determine total wind powder heat of the coal mill according to the hot wind heat, the cold wind heat and the coal related information;
the actual air powder temperature determining module 405 is configured to determine an actual outlet air powder temperature of the coal mill according to the total air powder heat, the hot air baffle valve opening, the cold air baffle valve opening and the coal related information;
a control parameter generation module 406 for generating coal mill control parameters including the actual outlet air dust temperature.
According to the technical scheme, the hot air heat of the coal mill is determined according to the opening degree of the hot air baffle valve and the inlet hot air temperature; determining cold air heat of the coal mill according to the opening of the cold air baffle valve and the inlet cold air temperature; determining the total heat of wind powder of the coal mill according to the related information of the hot air heat, the cold air heat and the coal; determining the actual outlet air powder temperature of the coal mill according to the total heat of the air powder, the opening of the hot air baffle valve, the opening of the cold air baffle valve and the coal related information; coal mill control parameters including actual outlet air powder temperature are generated. According to the technical scheme, the coal mill control parameters such as the actual outlet air powder temperature of the coal mill are obtained through simulation and determination based on the obtained relevant parameters of the coal mill, such as the valve position opening of the cold and hot air baffle, the temperature of the cold and hot air and the like, so that the accurate determination of the coal mill control parameters is realized.
Optionally, the hot air heat determining module 402 includes:
the first hot air flow determining unit is used for determining the hot air flow according to the opening of the hot air baffle valve;
and the hot air heat determining unit is used for determining the hot air heat of the coal mill according to the hot air flow and the inlet hot air temperature.
Optionally, the cold air heat determining module 403 includes:
the first cold air flow determining unit is used for determining cold air flow according to the opening of the cold air baffle valve;
and the cold air heat determining unit is used for determining the cold air heat of the coal mill according to the cold air flow and the inlet cold air temperature.
Optionally, the coal related information includes a coal feed amount and a coal temperature; accordingly, the wind powder total heat determination module 404 includes:
a coal heat determining unit for determining a coal heat of the coal mill according to the coal supply amount and the coal temperature;
and the wind powder total heat determining unit is used for determining the wind powder total heat of the coal mill according to the hot air heat, the cold air heat and the coal heat.
Optionally, the actual wind powder temperature determining module 405 includes:
the second hot air flow determining unit is used for determining the hot air flow according to the opening of the hot air baffle valve;
the second cold air flow determining unit is used for determining cold air flow according to the opening of the cold air baffle valve;
the inlet air quantity determining unit is used for determining the inlet air quantity of the coal mill according to the cold air flow and the hot air flow;
the actual air powder temperature determining unit is used for determining the actual outlet air powder temperature of the coal mill according to the coal feeding amount, the inlet air quantity and the total air powder heat in the coal related information;
accordingly, the control parameter generating module 406 includes:
and the first parameter generation unit is used for generating coal mill control parameters comprising the actual outlet air powder temperature and the inlet air quantity.
Optionally, the actual wind powder temperature determining unit includes:
the expected air powder temperature determining subunit is used for determining the expected outlet air powder temperature of the coal mill according to the coal feeding amount, the inlet air quantity and the total air powder heat in the coal related information;
and the actual air powder temperature determining subunit is used for determining the actual air powder temperature of the outlet of the coal mill according to the expected air powder temperature of the outlet.
Optionally, the apparatus further includes:
the inlet air temperature determining module is used for determining the inlet air temperature of the coal mill according to the inlet air quantity, the hot air heat and the cold air heat;
accordingly, the control parameter generating module 406 includes:
and the second parameter generation unit is used for generating coal mill control parameters comprising the actual outlet air powder temperature, the inlet air quantity and the inlet air temperature.
The coal mill control parameter determining device provided by the embodiment of the application can execute the coal mill control parameter determining method provided by any embodiment of the application, and has the corresponding functional modules and beneficial effects of the executing method.
Example five
Fig. 5 shows a schematic diagram of an electronic device 50 that may be used to implement an embodiment of the application. Electronic devices are intended to represent various forms of digital computers, such as laptops, desktops, workstations, personal digital assistants, servers, blade servers, mainframes, and other appropriate computers. Electronic equipment may also represent various forms of mobile devices, such as personal digital processing, cellular telephones, smartphones, wearable devices (e.g., helmets, glasses, watches, etc.), and other similar computing devices. The components shown herein, their connections and relationships, and their functions, are meant to be exemplary only, and are not meant to limit implementations of the applications described and/or claimed herein.
As shown in fig. 5, the electronic device 50 includes at least one processor 51, and a memory, such as a Read Only Memory (ROM) 52, a Random Access Memory (RAM) 53, etc., communicatively connected to the at least one processor 51, in which the memory stores a computer program executable by the at least one processor, and the processor 51 may perform various appropriate actions and processes according to the computer program stored in the Read Only Memory (ROM) 52 or the computer program loaded from the storage unit 58 into the Random Access Memory (RAM) 53. In the RAM 53, various programs and data required for the operation of the electronic device 50 can also be stored. The processor 51, the ROM 52 and the RAM 53 are connected to each other via a bus 54. An input/output (I/O) interface 55 is also connected to bus 54.
Various components in the electronic device 50 are connected to the I/O interface 55, including: an input unit 56 such as a keyboard, a mouse, etc.; an output unit 57 such as various types of displays, speakers, and the like; a storage unit 58 such as a magnetic disk, an optical disk, or the like; and a communication unit 59 such as a network card, modem, wireless communication transceiver, etc. The communication unit 59 allows the electronic device 50 to exchange information/data with other devices via a computer network, such as the internet, and/or various telecommunications networks.
The processor 51 may be a variety of general and/or special purpose processing components having processing and computing capabilities. Some examples of processor 51 include, but are not limited to, a Central Processing Unit (CPU), a Graphics Processing Unit (GPU), various specialized Artificial Intelligence (AI) computing chips, various processors running machine learning model algorithms, digital Signal Processors (DSPs), and any suitable processor, controller, microcontroller, etc. The processor 51 performs the various methods and processes described above, such as the coal mill control parameter determination method.
In some embodiments, the coal mill control parameter determination method may be implemented as a computer program tangibly embodied on a computer-readable storage medium, such as the storage unit 58. In some embodiments, part or all of the computer program may be loaded and/or installed onto the electronic device 50 via the ROM 52 and/or the communication unit 59. When the computer program is loaded into RAM 53 and executed by processor 51, one or more of the steps of the coal mill control parameter determination method described above may be performed. Alternatively, in other embodiments, the processor 51 may be configured to perform the coal mill control parameter determination method in any other suitable manner (e.g., by means of firmware).
Various implementations of the systems and techniques described here above may be implemented in digital electronic circuitry, integrated circuit systems, field Programmable Gate Arrays (FPGAs), application Specific Integrated Circuits (ASICs), application Specific Standard Products (ASSPs), systems On Chip (SOCs), load programmable logic devices (CPLDs), computer hardware, firmware, software, and/or combinations thereof. These various embodiments may include: implemented in one or more computer programs, the one or more computer programs may be executed and/or interpreted on a programmable system including at least one programmable processor, which may be a special purpose or general-purpose programmable processor, that may receive data and instructions from, and transmit data and instructions to, a storage system, at least one input device, and at least one output device.
A computer program for carrying out methods of the present application may be written in any combination of one or more programming languages. These computer programs may be provided to a processor of a general purpose computer, special purpose computer, or other programmable data processing apparatus, such that the computer programs, when executed by the processor, cause the functions/acts specified in the flowchart and/or block diagram block or blocks to be implemented. The computer program may execute entirely on the machine, partly on the machine, as a stand-alone software package, partly on the machine and partly on a remote machine or entirely on the remote machine or server.
In the context of the present application, a computer-readable storage medium may be a tangible medium that can contain, or store a computer program for use by or in connection with an instruction execution system, apparatus, or device. The computer readable storage medium may include, but is not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any suitable combination of the foregoing. Alternatively, the computer readable storage medium may be a machine readable signal medium. More specific examples of a machine-readable storage medium would include an electrical connection based on one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.
To provide for interaction with a user, the systems and techniques described here can be implemented on an electronic device having: a display device (e.g., a CRT (cathode ray tube) or LCD (liquid crystal display) monitor) for displaying information to a user; and a keyboard and a pointing device (e.g., a mouse or a trackball) through which a user can provide input to the electronic device. Other kinds of devices may also be used to provide for interaction with a user; for example, feedback provided to the user may be any form of sensory feedback (e.g., visual feedback, auditory feedback, or tactile feedback); and input from the user may be received in any form, including acoustic input, speech input, or tactile input.
The systems and techniques described here can be implemented in a computing system that includes a background component (e.g., as a data server), or that includes a middleware component (e.g., an application server), or that includes a front-end component (e.g., a user computer having a graphical user interface or a web browser through which a user can interact with an implementation of the systems and techniques described here), or any combination of such background, middleware, or front-end components. The components of the system can be interconnected by any form or medium of digital data communication (e.g., a communication network). Examples of communication networks include: local Area Networks (LANs), wide Area Networks (WANs), blockchain networks, and the internet.
The computing system may include clients and servers. The client and server are typically remote from each other and typically interact through a communication network. The relationship of client and server arises by virtue of computer programs running on the respective computers and having a client-server relationship to each other. The server can be a cloud server, also called a cloud computing server or a cloud host, and is a host product in a cloud computing service system, so that the defects of high management difficulty and weak service expansibility in the traditional physical hosts and VPS service are overcome.
It should be appreciated that various forms of the flows shown above may be used to reorder, add, or delete steps. For example, the steps described in the present application may be performed in parallel, sequentially, or in a different order, so long as the desired results of the technical solution of the present application are achieved, and the present application is not limited herein.
The above embodiments do not limit the scope of the present application. It will be apparent to those skilled in the art that various modifications, combinations, sub-combinations and alternatives are possible, depending on design requirements and other factors. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present application should be included in the scope of the present application.
Claims (10)
1. A method for determining control parameters of a coal mill, comprising:
acquiring the hot air baffle valve position opening, the cold air baffle valve position opening, the inlet hot air temperature, the inlet cold air temperature and coal related information of the coal mill;
determining the hot air heat of the coal mill according to the opening of the hot air baffle valve and the inlet hot air temperature;
determining cold air heat of the coal mill according to the cold air baffle valve opening and the inlet cold air temperature;
determining the total heat of wind powder of the coal mill according to the hot air heat, the cold air heat and the coal related information;
determining the actual outlet air powder temperature of the coal mill according to the total heat of the air powder, the opening of the hot air baffle valve, the opening of the cold air baffle valve and the coal related information;
and generating coal mill control parameters comprising the actual outlet wind powder temperature.
2. The method of claim 1, wherein said determining the hot air heat of the coal pulverizer based on the hot air flapper valve position opening and the inlet hot air temperature comprises:
determining the flow of hot air according to the opening of the hot air baffle valve;
and determining the hot air heat of the coal mill according to the hot air flow and the inlet hot air temperature.
3. The method of claim 1, wherein said determining the cold air heat of the coal pulverizer based on the cold air flapper valve position opening and the inlet cold air temperature comprises:
determining cold air flow according to the opening of the cold air baffle valve;
and determining the cold air heat of the coal mill according to the cold air flow and the inlet cold air temperature.
4. The method of claim 1, wherein the coal-related information includes a coal feed amount and a coal temperature; correspondingly, the determining the total heat of the wind powder of the coal mill according to the hot air heat, the cold air heat and the coal related information comprises the following steps:
determining the coal heat of the coal mill according to the coal feeding amount and the coal temperature;
and determining the total heat of wind powder of the coal mill according to the hot air heat, the cold air heat and the coal heat.
5. The method of claim 1, wherein said determining an actual outlet dust temperature of said coal pulverizer based on said total dust heat, said hot air flapper valve position opening, said cold air flapper valve position opening, and said coal-related information comprises:
determining the flow of hot air according to the opening of the hot air baffle valve;
determining cold air flow according to the opening of the cold air baffle valve;
determining inlet air quantity of the coal mill according to the cold air flow and the hot air flow;
determining the actual outlet air powder temperature of the coal mill according to the coal feeding amount, the inlet air quantity and the total air powder heat in the coal related information;
correspondingly, the generating coal mill control parameters including the actual outlet wind powder temperature comprises:
and generating coal mill control parameters comprising the actual outlet air powder temperature and the inlet air quantity.
6. The method of claim 5, wherein said determining an actual outlet dust temperature of said coal pulverizer based on said coal supply, said inlet air volume, and said total dust heat in said coal related information comprises:
determining the expected outlet air powder temperature of the coal mill according to the coal feeding amount, the inlet air quantity and the total air powder heat in the coal related information;
and determining the actual outlet air powder temperature of the coal mill according to the expected outlet air powder temperature.
7. The method of claim 5, wherein the method further comprises:
determining the inlet air temperature of the coal mill according to the inlet air quantity, the hot air heat and the cold air heat;
correspondingly, the generating coal mill control parameters including the actual outlet air powder temperature and the inlet air quantity comprises the following steps:
and generating coal mill control parameters comprising the actual outlet air powder temperature, the inlet air quantity and the inlet air temperature.
8. A coal pulverizer control parameter determination device, comprising:
the information acquisition module is used for acquiring the hot air baffle valve opening degree, the cold air baffle valve opening degree, the inlet hot air temperature, the inlet cold air temperature and the coal related information of the coal mill;
the hot air heat determining module is used for determining the hot air heat of the coal mill according to the opening of the hot air baffle valve and the inlet hot air temperature;
the cold air heat determining module is used for determining the cold air heat of the coal mill according to the opening of the cold air baffle valve and the inlet cold air temperature;
the wind powder total heat determining module is used for determining the wind powder total heat of the coal mill according to the hot wind heat, the cold wind heat and the coal related information;
the actual air powder temperature determining module is used for determining the actual outlet air powder temperature of the coal mill according to the total air powder heat, the opening of the hot air baffle valve, the opening of the cold air baffle valve and the coal related information;
and the control parameter generation module is used for generating coal mill control parameters including the actual outlet wind powder temperature.
9. An electronic device, the electronic device comprising:
at least one processor; and
a memory communicatively coupled to the at least one processor; wherein,,
the memory stores a computer program executable by the at least one processor to enable the at least one processor to perform the coal mill control parameter determination method of any one of claims 1-7.
10. A computer readable storage medium storing computer instructions for causing a processor to perform the method of determining a coal mill control parameter according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310841785.4A CN116618163A (en) | 2023-07-10 | 2023-07-10 | Coal mill control parameter determining method, device, equipment and storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310841785.4A CN116618163A (en) | 2023-07-10 | 2023-07-10 | Coal mill control parameter determining method, device, equipment and storage medium |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116618163A true CN116618163A (en) | 2023-08-22 |
Family
ID=87602747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310841785.4A Pending CN116618163A (en) | 2023-07-10 | 2023-07-10 | Coal mill control parameter determining method, device, equipment and storage medium |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116618163A (en) |
-
2023
- 2023-07-10 CN CN202310841785.4A patent/CN116618163A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN117332897A (en) | Artificial intelligent driven new energy small time scale power interpolation integrated prediction method | |
| Vanem et al. | A joint probability distribution model for multivariate wind and wave conditions | |
| CN116618163A (en) | Coal mill control parameter determining method, device, equipment and storage medium | |
| CN116562156B (en) | Training method, device, equipment and storage medium for control decision model | |
| CN117370857A (en) | Water turbine governor management method, device, equipment and storage medium | |
| CN111079298A (en) | Power system dynamic hybrid simulation method and system based on ice wind weather conditions | |
| CN116596106A (en) | Power prediction method and device for wind power station, electronic equipment and storage medium | |
| CN113408808A (en) | Training method, data generation method, device, electronic device and storage medium | |
| CN114817985A (en) | Privacy protection method, device, equipment and storage medium for electricity consumption data | |
| CN115373449B (en) | Data processing method, device, equipment and storage medium | |
| CN117575175B (en) | Carbon emission evaluation method, device, electronic equipment and storage medium | |
| CN115903548B (en) | Optimization method, device and equipment for coal mill unit controller and storage medium | |
| WO2024109487A1 (en) | Load shedding testing method and apparatus for pumped storage unit, device, and medium | |
| CN117131353B (en) | Method and device for determining out-of-tolerance electric energy meter, electronic equipment and storage medium | |
| CN112540633B (en) | Temperature control method, device, equipment and medium | |
| CN115768061A (en) | Air conditioner temperature adjusting method and device for battery replacement station, electronic equipment and storage medium | |
| CN117767419A (en) | Self-adaptive parameter adjusting method and device for virtual synchronous machine | |
| CN116933088A (en) | Secondary equipment fault data generation method and device, electronic equipment and medium | |
| CN118057390A (en) | Method, device, equipment and medium for determining numerical simulation fitting precision of oil reservoir | |
| CN117117849A (en) | Photovoltaic power prediction method, device, equipment and storage medium | |
| CN117422259A (en) | Distributed resource prediction aggregation method, device, equipment and storage medium | |
| CN117854785A (en) | Method, device, equipment and medium for determining unit output of nuclear power station | |
| CN117913859A (en) | Power grid planning method and device, electronic equipment and storage medium | |
| CN115528685A (en) | Security stability control method, apparatus, device, storage medium, and program product | |
| CN116823510A (en) | Node influence measuring method, device, equipment and storage medium |
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 |