CN113962435A - Boiler combustion parameter judgment method and device - Google Patents
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Abstract
The application discloses a method and a device for judging boiler combustion parameters, wherein the method for judging the boiler combustion parameters comprises the following steps: acquiring combustion setting parameters of a boiler; inputting the combustion setting parameters into a target combustion model, and acquiring predicted energy consumption data corresponding to the combustion setting parameters; and judging whether to adjust the combustion setting parameters or not according to the predicted energy consumption data.
Description
Technical Field
The application relates to the field of boiler combustion, in particular to a method and a device for judging boiler combustion parameters.
Background
In recent years, with the increasing of the degree of industrialization in China and the increasing of the energy price and the energy consumption elasticity, energy conservation and consumption reduction become important issues of national industrial development.
In the related technology, the energy consumption water average of the power system of the thermal power plant is counted, calculated and evaluated through accumulated reading manual meter reading, even the real level can be mastered only through experimental evaluation, the time for analyzing the energy consumption level is long, the energy consumption data cannot be analyzed in time through the technology, and feedback is made.
Disclosure of Invention
The application discloses a method and a device for judging boiler combustion parameters, which solve the problem that energy consumption data cannot be analyzed and fed back in time.
In order to solve the above problems, the following technical solutions are adopted in the present application:
in a first aspect, an embodiment of the present application discloses a method for determining boiler combustion parameters, including: acquiring combustion setting parameters of a boiler; inputting the combustion setting parameters into a target combustion model, and acquiring predicted energy consumption data corresponding to the combustion setting parameters; and judging whether to adjust the combustion setting parameters or not according to the predicted energy consumption data.
In a second aspect, an embodiment of the present application discloses a device for determining boiler combustion parameters, including: the first acquisition module is used for acquiring combustion setting parameters of the boiler; the second acquisition module is used for inputting the combustion setting parameters into a target combustion model and acquiring predicted energy consumption data corresponding to the combustion setting parameters; and the judging module is used for judging whether to adjust the combustion setting parameters or not according to the predicted energy consumption data.
The technical scheme adopted by the application can achieve the following beneficial effects:
the embodiment of the application provides a method for judging boiler combustion parameters, which comprises the following steps: acquiring combustion setting parameters of a boiler; inputting the combustion setting parameters into a target combustion model, and acquiring predicted energy consumption data corresponding to the combustion setting parameters; and judging whether to adjust the combustion setting parameters or not according to the predicted energy consumption data. According to the method and the device, the obtained combustion setting parameters are input into the target combustion model, the predicted energy consumption data corresponding to the combustion setting parameters are obtained through prediction, and then whether the combustion setting parameters are adjusted or not is judged according to the predicted energy consumption data, so that the problem that the energy consumption data cannot be analyzed in time and fed back is solved.
Drawings
FIG. 1 is a schematic flow chart illustrating a method for determining combustion parameters of a boiler according to an embodiment of the present disclosure;
fig. 2 is a schematic structural diagram of a device for determining boiler combustion parameters, disclosed in an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be described clearly below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present disclosure.
The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that embodiments of the application may be practiced in sequences other than those illustrated or described herein, and that the terms "first," "second," and the like are generally used herein in a generic sense and do not limit the number of terms, e.g., the first term can be one or more than one. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.
The method and the device for determining boiler combustion parameters provided by the embodiments of the present application are described in detail below with reference to the accompanying drawings by specific embodiments and application scenarios thereof.
Fig. 1 is a schematic flowchart of a method for determining a combustion parameter of a boiler according to an embodiment of the present disclosure, where the method may be executed by an electronic device, and the electronic device may include: a server and/or a terminal device. In other words, the method may be performed by software or hardware installed in the electronic device, the method comprising the steps of:
and S120, acquiring combustion setting parameters of the boiler.
In this application, the burning setting parameter of the boiler that obtains can be for the burning setting parameter of a boiler, also can be for the burning setting parameter of many boilers, and many boilers can distribute in same factory, also can distribute in different factories. In the present application, the combustion setting parameters of the boiler may be obtained by an informatization System such as a Distributed Control System (DCS) and a Plant Information database (PI). The combustion parameters of the boiler comprise coal feeding quantity, limestone quantity, primary fan frequency, secondary fan frequency, tail gas oxygen content, sulfur dioxide content and the like.
And S140, inputting the combustion setting parameters into a target combustion model, and acquiring predicted energy consumption data corresponding to the combustion setting parameters.
Specifically, the acquired combustion setting parameters may be input into a pre-established and trained target combustion model, and the predicted energy consumption data corresponding to the combustion setting parameters is obtained through prediction of the target combustion model.
And S160, judging whether the combustion setting parameters are adjusted or not according to the predicted energy consumption data.
Specifically, whether to adjust the combustion setting parameter may be determined according to predicted energy consumption data corresponding to the combustion setting parameter, which is predicted by the target combustion model, for example, when the predicted energy consumption data is large, it may be determined that the combustion setting parameter is adjusted, and when the predicted energy consumption data is small, it is determined that the combustion setting parameter is not adjusted.
The embodiment of the application provides a method for judging boiler combustion parameters, which comprises the following steps: acquiring combustion setting parameters of a boiler; inputting the combustion setting parameters into a target combustion model, and acquiring predicted energy consumption data corresponding to the combustion setting parameters; and judging whether to adjust the combustion setting parameters or not according to the predicted energy consumption data. According to the method and the device, the obtained combustion setting parameters are input into the target combustion model, the predicted energy consumption data corresponding to the combustion setting parameters are obtained through prediction, and then whether the combustion setting parameters are adjusted or not is judged according to the predicted energy consumption data, so that the problem that the energy consumption data cannot be analyzed in time and fed back is solved.
In this embodiment of the present application, the determining whether to adjust the combustion setting parameter according to the predicted energy consumption data may include: determining to adjust the combustion setting parameter if the predicted energy consumption data is greater than a first threshold. That is to say, it is determined that the combustion setting parameter needs to be adjusted when the predicted energy consumption data predicted according to the target combustion model is greater than the first threshold, where the size of the first threshold may be adjusted according to an actual requirement, and this is not specifically limited in this application.
In one implementation, after the determining to adjust the combustion setting parameter, the method may further include: and displaying the adjustment amount corresponding to the combustion setting parameter. That is, after the predicted energy consumption data predicted according to the target combustion model is greater than the first threshold value and the combustion setting parameter is determined to be adjusted, the adjustment amount corresponding to the combustion setting parameter may be displayed, and the relevant technician adjusts the combustion setting parameter according to the displayed adjustment amount corresponding to the combustion setting parameter. For example, in the case where the predicted energy consumption data is larger than the first threshold value due to the fact that the amount of coal supplied is excessively obtained by prediction, the related art may adjust the amount of coal supplied according to the displayed adjustment amount.
In an optional manner, after the displaying the adjustment amount corresponding to the combustion setting parameter, the method may further include: and adjusting the combustion setting parameter according to the adjustment amount. That is, after determining the adjustment amount, the apparatus may directly adjust the combustion setting parameter according to the adjustment amount. For example, in the case where the predicted energy consumption data is larger than the first threshold value due to the fact that the coal feeding amount is excessively large as predicted, the device may directly adjust the coal feeding amount according to the adjustment amount. The equipment directly adjusts the combustion setting parameters according to the adjustment amount, so that the operation of people can be reduced, the adjustment error is reduced, and the adjustment precision is improved.
In this embodiment of the present application, the determining whether to adjust the combustion setting parameter according to the predicted energy consumption data may include: and prohibiting adjustment of the combustion setting parameter when the predicted energy consumption data is less than a second threshold. That is to say, when the predicted energy consumption data predicted according to the target combustion model is smaller than a second threshold, the combustion setting parameter is prohibited from being adjusted, where the second threshold may be equal to the first threshold, and the second threshold may also be smaller than the first threshold, and the size of the second threshold may be adjusted according to an actual requirement, which is not specifically limited in this application.
In a further aspect, after prohibiting adjustment of the combustion setting parameter, the method may further include: acquiring actual energy consumption data of the boiler under the combustion setting parameters; and adjusting the target combustion model according to the combustion setting parameter under the condition that the actual energy consumption data is smaller than the predicted energy consumption data. That is, after the predicted energy consumption data is smaller than the second threshold and the adjustment of the combustion setting parameter is prohibited, the actual energy consumption data of the boiler corresponding to the combustion setting parameter may be obtained, and the target combustion model may be adjusted according to the combustion setting parameter under the condition that the actual energy consumption data is smaller than the predicted energy consumption data, that is, the target combustion model may be adjusted according to a combustion setting parameter smaller than the corresponding energy consumption data. And after the target combustion model is adjusted, inputting the subsequently acquired combustion setting parameters into the adjusted target combustion model, and acquiring the predicted energy consumption data corresponding to the combustion setting parameters.
In this embodiment of the present application, before the obtaining of the combustion setting parameter of the boiler, the method may further include: establishing and training a target combustion model according to historical data of a plurality of groups of boilers, wherein the historical data comprises: historical combustion setting parameters and corresponding historical energy consumption data. Specifically, a target combustion model can be established according to historical data of a group of boilers, and then the target combustion model is trained according to the historical data of a plurality of groups of boilers, so as to obtain the target combustion model matched with specific equipment.
Because the Advanced Process Control (APC) Control technology is mostly applied to application scenarios with many parameter couplings, strong nonlinear expressions and large time delays, a core Model Predictive Control (MPC) algorithm of the APC technology can predict future dynamic and static characteristics of a controlled object by using a given system prediction Model within a certain time step, and construct a cost function through a system input/output prediction trajectory and an ideal input/output trajectory, and a boiler of a unit is a complex system, a target combustion Model in the application can be established according to the Model Predictive Control algorithm.
In the method for determining boiler combustion parameters according to the embodiment of the present application, the execution main body may be a device for determining boiler combustion parameters, or a control module in the device for determining boiler combustion parameters, which is used for executing the method for determining boiler combustion parameters. The method for determining the boiler combustion parameter by using the boiler combustion parameter determining device in the embodiment of the present application is taken as an example, and the boiler combustion parameter determining device provided in the embodiment of the present application is described.
Fig. 2 is a schematic structural diagram of a device for determining boiler combustion parameters, disclosed in an embodiment of the present application. As shown in FIG. 2, the apparatus 200 for determining boiler combustion parameters includes a first obtaining module 210, a second obtaining module 220 and a determining module 230.
In the present application, the first obtaining module 210 is configured to obtain a combustion setting parameter of a boiler; a second obtaining module 220, configured to input the combustion setting parameter into a target combustion model, and obtain predicted energy consumption data corresponding to the combustion setting parameter; a determining module 230, configured to determine whether to adjust the combustion setting parameter according to the predicted energy consumption data.
In one implementation, the determining module 230 determines whether to adjust the combustion setting parameter according to the predicted energy consumption data, including: determining to adjust the combustion setting parameter if the predicted energy consumption data is greater than a first threshold.
In one implementation, the determining module 230 is further configured to: and displaying an adjustment amount corresponding to the combustion setting parameter after the combustion setting parameter is determined to be adjusted.
In one implementation, the determining module 230 is further configured to: and after the adjustment amount corresponding to the combustion setting parameter is displayed, adjusting the combustion setting parameter according to the adjustment amount.
In one implementation, the determining module 230 determines whether to adjust the combustion setting parameter according to the predicted energy consumption data, including: and prohibiting adjustment of the combustion setting parameter when the predicted energy consumption data is less than a second threshold.
In one implementation, the determining module 230 is further configured to: acquiring actual energy consumption data of the boiler under the combustion setting parameter after the adjustment of the combustion setting parameter is forbidden; and adjusting the target combustion model according to the combustion setting parameter under the condition that the actual energy consumption data is smaller than the predicted energy consumption data.
In one implementation, the first obtaining module 210 is further configured to: before the combustion setting parameters of the boiler are obtained, establishing and training a target combustion model according to historical data of a plurality of groups of boilers, wherein the historical data comprises: historical combustion setting parameters and corresponding historical energy consumption data.
In one implementation, the target combustion model is built according to a model predictive control algorithm.
In the embodiments of the present application, the difference between the embodiments is described in detail, and different optimization features between the embodiments can be combined to form a better embodiment as long as the differences are not contradictory, and further description is omitted here in view of brevity of the text.
The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (10)
1. A method for judging boiler combustion parameters is characterized by comprising the following steps:
acquiring combustion setting parameters of a boiler;
inputting the combustion setting parameters into a target combustion model, and acquiring predicted energy consumption data corresponding to the combustion setting parameters;
and judging whether to adjust the combustion setting parameters or not according to the predicted energy consumption data.
2. The method of claim 1, wherein determining whether to adjust the combustion setting parameter based on the predicted energy consumption data comprises:
determining to adjust the combustion setting parameter if the predicted energy consumption data is greater than a first threshold.
3. The method of claim 2, after said determining to adjust said combustion setting parameter, further comprising:
and displaying the adjustment amount corresponding to the combustion setting parameter.
4. The determination method according to claim 3, further comprising, after said displaying the adjustment amount corresponding to the combustion setting parameter:
and adjusting the combustion setting parameter according to the adjustment amount.
5. The method of claim 1, wherein determining whether to adjust the combustion setting parameter based on the predicted energy consumption data comprises:
and prohibiting adjustment of the combustion setting parameter when the predicted energy consumption data is less than a second threshold.
6. The determination method according to claim 5, further comprising, after said prohibiting the adjustment of the combustion setting parameter:
acquiring actual energy consumption data of the boiler under the combustion setting parameters;
and adjusting the target combustion model according to the combustion setting parameter under the condition that the actual energy consumption data is smaller than the predicted energy consumption data.
7. The method of claim 1, prior to said obtaining combustion setting parameters for a boiler, further comprising:
establishing and training a target combustion model according to historical data of a plurality of groups of boilers, wherein the historical data comprises: historical combustion setting parameters and corresponding historical energy consumption data.
8. The method of claim 7, wherein the target combustion model is established according to a model predictive control algorithm.
9. A boiler combustion parameter judgment device is characterized by comprising:
the first acquisition module is used for acquiring combustion setting parameters of the boiler;
the second acquisition module is used for inputting the combustion setting parameters into a target combustion model and acquiring predicted energy consumption data corresponding to the combustion setting parameters;
and the judging module is used for judging whether to adjust the combustion setting parameters or not according to the predicted energy consumption data.
10. The apparatus of claim 9, wherein the means for determining whether to adjust the combustion setting parameter based on the predicted energy consumption data comprises:
determining to adjust the combustion setting parameter if the predicted energy consumption data is greater than a first threshold.
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