CN110910032A - Coal quality index evaluation method and related device - Google Patents
Coal quality index evaluation method and related device Download PDFInfo
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- 239000003245 coal Substances 0.000 title claims abstract description 273
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- 238000002485 combustion reaction Methods 0.000 claims description 50
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 25
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- 229910052760 oxygen Inorganic materials 0.000 claims description 25
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Abstract
The embodiment of the application discloses a coal quality index evaluation method and a related device, which are used for providing a method for evaluating and analyzing the coal quality blended with a boiler and selecting the related device. The method in the embodiment of the application comprises the following steps: obtaining target evaluation indexes of coal, wherein the target evaluation indexes comprise boiler and coal adaptability evaluation indexes and coal quality evaluation indexes, obtaining target weight corresponding to each target evaluation index, and performing weighted calculation on the target evaluation indexes and the target weights corresponding to the evaluation indexes to obtain coal quality evaluation scores.
Description
Technical Field
The embodiment of the application relates to the field of coal quality management, in particular to a coal quality index evaluation method and a related device.
Background
In large coal-fired power plant boilers, in order to reduce fuel costs, some kinds of coal having price advantage are often purchased depending on the combustion conditions of the boilers. Under the normal condition, the coal quality difference between the coal types with the price advantage and the designed coal types is huge, under the condition, the coal quality evaluation needs to be carried out on the purchased coal types, and then a proper co-combustion method is adopted according to the result of the coal quality evaluation, so that the boiler can stably run, and the economic benefit of the coal-fired power plant is improved. In the process of exploring a proper coal blending combustion mode, researches show that the workload of screening can be greatly reduced and the management level of a power station coal yard can be improved by adopting a proper coal quality index evaluation method.
Therefore, a solution is needed to evaluate the quality of the coal blended in the boiler.
Disclosure of Invention
The embodiment of the application provides a coal quality index evaluation and analysis method and a related device, and is used for providing a method for evaluating and analyzing coal quality mixed with a boiler and selecting the related device.
The application provides a coal quality index evaluation method in a first aspect, which comprises the following steps:
obtaining target evaluation indexes of coal, wherein the target evaluation indexes comprise adaptability evaluation indexes of a boiler and the coal and coal quality evaluation indexes;
acquiring target weight corresponding to each target evaluation index;
and performing weighted calculation on the target evaluation indexes and the target weights corresponding to the evaluation indexes to obtain coal quality evaluation scores.
Optionally, the obtaining of the evaluation index of the coal includes:
obtaining the original evaluation index of the coal;
and carrying out normalization processing on the original evaluation index of the coal to obtain a target evaluation index of the coal.
Optionally, the coal quality evaluation index includes: volatiles, ash, sulfur, oxygen content.
Optionally, the target weight for the volatiles, ash, sulfur, oxygen content, or boiler suitability for coal is between 0% and 90%.
Optionally, obtaining a target weight corresponding to each target evaluation index includes:
if the optimized combustion requirement of the boiler is related to the ignition characteristics of the coal, adjusting the corresponding percentage weight of the volatile components to obtain the target weight of the volatile components;
if the optimized combustion requirement of the boiler is related to the burnout characteristics of the coal, adjusting the corresponding percentage weight of the ash content to obtain the target weight of the ash content;
if the optimized combustion requirement of the boiler is related to the high-temperature corrosion characteristic of the coal, adjusting the corresponding percentage weight of the sulfur content to obtain the target weight of the sulfur content;
if the optimized combustion requirement of the boiler is related to the heat value characteristic of the coal, adjusting the percentage weight corresponding to the oxygen content to obtain the target weight of the oxygen content;
if the optimized combustion requirement of the boiler is related to the adaptability of coal combustion, adjusting the percentage weight corresponding to the adaptability of the boiler and the coal to obtain the target weight corresponding to the adaptability of the boiler and the coal.
Optionally, after obtaining the coal quality index evaluation score, the method further includes:
and displaying the coal quality evaluation score.
The second aspect of the present application provides a coal quality index evaluation system, including:
the system comprises a first acquisition unit, a second acquisition unit and a control unit, wherein the first acquisition unit is used for acquiring a target evaluation index of coal, and the target evaluation index comprises an adaptability evaluation index of a boiler and the coal and a coal quality evaluation index;
the second acquisition unit is used for acquiring a target weight corresponding to each target evaluation index;
and the calculating unit is used for carrying out weighted calculation on the target evaluation indexes and the target weights corresponding to the evaluation indexes to obtain coal quality evaluation scores.
Optionally, the first obtaining unit, when obtaining the evaluation index of the coal, is specifically configured to:
obtaining the original evaluation index of the coal;
and carrying out normalization processing on the original evaluation index of the coal to obtain a target evaluation index of the coal.
Optionally, the coal quality evaluation index includes: volatiles, ash, sulfur, oxygen content.
Optionally, the target weight for the volatiles, ash, sulfur, oxygen content, or boiler suitability for coal is between 0% and 90%.
Optionally, when obtaining the target weight corresponding to each target evaluation index, the second obtaining unit is specifically configured to:
if the optimized combustion requirement of the boiler is related to the ignition characteristics of the coal, adjusting the corresponding percentage weight of the volatile components to obtain the target weight of the volatile components;
if the optimized combustion requirement of the boiler is related to the burnout characteristics of the coal, adjusting the corresponding percentage weight of the ash content to obtain the target weight of the ash content;
if the optimized combustion requirement of the boiler is related to the high-temperature corrosion characteristic of the coal, adjusting the corresponding percentage weight of the sulfur content to obtain the target weight of the sulfur content;
if the optimized combustion requirement of the boiler is related to the heat value characteristic of the coal, adjusting the percentage weight corresponding to the oxygen content to obtain the target weight of the oxygen content;
if the optimized combustion requirement of the boiler is related to the adaptability of coal combustion, adjusting the percentage weight corresponding to the adaptability of the boiler and the coal to obtain the target weight corresponding to the adaptability of the boiler and the coal.
Optionally, the coal quality index evaluation system further includes:
and the display unit is used for displaying the coal quality evaluation score.
The third aspect of the present application further provides a coal quality index evaluation system, including:
the system comprises a processor, a memory, a bus and input and output equipment;
the processor is connected with the memory and the input and output equipment;
the bus is respectively connected with the processor, the memory and the input and output equipment;
the processor performs the method of any of the preceding first aspects.
A fourth aspect of the present application provides a computer storage medium having stored therein instructions that, when executed on a computer, cause the computer to perform the method of any of the preceding first aspects.
A fifth aspect of the present application provides a computer program product which, when executed on a computer, causes the computer to perform the method of any one of the preceding first aspects.
According to the technical scheme, the embodiment of the application has the following advantages:
in the embodiment of the application, the inherent coal quality evaluation index of the coal and the adaptability evaluation index of the boiler and the coal are combined into the target evaluation index, the target weight of each target evaluation index is obtained, namely, the evaluation score containing the evaluation index in the aspect of the specified boiler type can be obtained through weighted calculation, so that the coal quality evaluation data and the specified boiler type are organically fused, and the method for evaluating the coal quality mixed with the boiler and the selection of the related device are provided.
Drawings
FIG. 1 is a schematic flow chart of a coal quality index evaluation method according to an embodiment of the present application;
FIG. 2 is another schematic flow chart of a coal quality index evaluation method according to an embodiment of the present application;
fig. 3 is a schematic structural diagram of a coal quality index evaluation system according to an embodiment of the present application;
FIG. 4 is another schematic structural diagram of a coal quality index evaluation system according to an embodiment of the present application;
fig. 5 is another schematic structural diagram of the coal quality index evaluation system according to the embodiment of the present application.
Detailed Description
The embodiment of the application provides a coal quality index evaluation method and a related device, and is used for providing a method for evaluating coal quality blended with a boiler and selecting the related device.
Referring to fig. 1, an embodiment of a method for evaluating a coal quality index according to the present application includes:
101. and obtaining target evaluation indexes of the coal, wherein the target evaluation indexes comprise adaptability evaluation indexes of the boiler and the coal and coal quality evaluation indexes.
According to the coal quality index evaluation method, firstly, target evaluation indexes participating in evaluation need to be obtained, and the target evaluation indexes at least comprise adaptability evaluation indexes of a boiler and coal quality evaluation indexes. The evaluation index of the suitability of the boiler and the coal represents the expected suitability degree of the coal and the boiler to be evaluated currently, namely, the suitability degree of a certain coal type and the coal designed by a specified boiler can be understood. The coal quality evaluation index represents inherent components of different coal types, such as volatile matter, ash, sulfur, oxygen content, carbon content, moisture, and the like. Since the target evaluation indexes involved in the evaluation are all related to coal, the target evaluation indexes are also called coal evaluation indexes.
102. And acquiring the target weight corresponding to each target evaluation index.
After the target evaluation indexes of the coal are obtained in step 101, a target weight corresponding to each target evaluation index may be obtained. Each target weight may be predetermined according to the furnace type of the designated boiler, or may be temporarily adjusted according to the actual demand of the designated boiler, which is not limited herein.
103. And performing weighted calculation on the target evaluation indexes and the target weights corresponding to the evaluation indexes to obtain coal quality evaluation scores.
After the target weight corresponding to each target evaluation index is obtained in step 102, weighting calculation may be performed in combination with the corresponding target evaluation index in step 101 to obtain a coal quality evaluation score. Specifically, each target evaluation index is multiplied by the corresponding target weight, and then the sum is carried out, and the sum is obtained to obtain a score, namely a coal quality evaluation score.
In the embodiment of the application, the inherent coal quality evaluation index of the coal and the adaptability evaluation index of the boiler and the coal are combined into the target evaluation index, the target weight of each target evaluation index is obtained, namely, the evaluation score containing the evaluation index in the aspect of the specified boiler type can be obtained through weighted calculation, so that the coal quality evaluation data and the specified boiler type are organically fused, and the selection of the method for evaluating the coal quality mixed with the boiler is provided.
Referring to fig. 2, another embodiment of the method for evaluating a coal quality index in the present application includes:
201. and obtaining original evaluation indexes of the coal, wherein the original evaluation indexes comprise boiler and coal suitability evaluation indexes and coal quality evaluation indexes.
According to the coal quality index evaluation method, the original evaluation indexes participating in evaluation can be obtained firstly, and the original evaluation indexes at least comprise the adaptability evaluation indexes of the boiler and the coal quality evaluation indexes.
The evaluation index of the suitability of the boiler and the coal represents the expected suitability degree of the coal and the boiler to be evaluated currently, namely, the suitability degree of a certain coal type and the coal designed by a specified boiler can be understood. It is understood that even if the same coal type is participating in the evaluation of different designated boilers, the suitability of the coal type to different designated boilers may not be the same; similarly, the suitability of the coal type and different designated boilers can be the same, specifically considering the fit degree between the coal type and the design coal of different designated boilers.
The coal quality evaluation index represents inherent components of various kinds of coal, such as volatile matter, ash, sulfur, oxygen content, carbon content, moisture, and the like. The inherent components of the coal all affect the combustion condition of the coal in the boiler, and the coal quality index evaluation can be considered to be added. It is understood that all or part of the inherent composition of coal can be selected and considered as the original evaluation index according to different actual requirements, and is not limited herein. For example, the quality evaluation indexes of the coal types consider volatile components, ash content, sulfur content and oxygen content, and are used as original evaluation indexes together with the adaptability of the boiler and the coal.
202. And carrying out normalization processing on the original evaluation indexes of the coal to obtain target evaluation indexes of the coal.
After the original evaluation index of the coal is obtained in step 201, the original evaluation index of the coal may be normalized to obtain a target evaluation index of the coal. The normalization aims at converting dimensional original evaluation indexes into dimensionless target evaluation indexes, so that coal quality evaluation indexes and boiler and coal suitability evaluation indexes fall into the same evaluation standard system. In this step, the original evaluation indexes can be converted into target evaluation indexes in percentage.
203. And acquiring the target weight corresponding to each target evaluation index.
After the target evaluation indexes of the coal are obtained in step 202, a target weight corresponding to each target evaluation index may be obtained. Each target weight may be predetermined according to the furnace type of the designated boiler, or may be temporarily adjusted according to the actual demand of the designated boiler, which is not limited herein. Considering that the coal quality evaluation method of the application has practical significance only by combining a plurality of target evaluation indexes, the coal quality evaluation indexes or the target weights corresponding to the adaptability of the boiler and the coal can be set to be adjusted between 0% and 90%, namely the volatile content, the ash content, the sulfur content and the oxygen content of the coal or the target weights corresponding to the adaptability of the boiler and the coal can be adjusted between 0% and 90%, and it needs to be noted that the sum of the target weights corresponding to all the selected and considered target evaluation indexes is equal to 100%.
Specifically, if the optimized combustion requirement of the boiler is related to the ignition characteristics of the coal, the percentage weight corresponding to the volatile component is adjusted to obtain the target weight of the volatile component, and it can be understood that, after the design parameters of the specified boiler are analyzed or the actual combustion data are analyzed for the specified boiler, if the ignition characteristics of the optimized combustion of the specified boiler should be considered to be the ignition characteristics of the coal types, the target weight of the volatile component in the coal quality evaluation index can be increased to represent that the coal quality evaluation score of the specified boiler considers the ignition characteristics of different coal types; if the ignition characteristics of the coal type should not be emphasized by the optimized combustion of the specified boiler, the target weight of the volatile matter in the coal quality evaluation index can be reduced to indicate that the coal quality evaluation score of the specified boiler does not emphasize the ignition characteristics of the coal type.
If the optimized combustion requirement of the boiler is related to the burnout characteristics of the coal, adjusting the percentage weight corresponding to the ash content to obtain the target weight of the ash content, wherein after the design parameters of the specified boiler are analyzed or the actual combustion data are analyzed for the specified boiler, if the burnout characteristics of the optimized combustion of the specified boiler should be considered, the target weight of the ash content in the coal quality evaluation index can be improved to represent that the coal quality evaluation score of the specified boiler considers the burnout characteristics of different coal types; if the optimal combustion of the specific boiler is determined not to emphasize the burnout characteristics of the coal types, the target weight of ash content in the coal quality evaluation index can be reduced to indicate that the coal quality evaluation score of the specific boiler does not emphasize the burnout characteristics of the coal types.
If the optimized combustion requirement of the boiler is related to the high-temperature corrosion characteristic of the coal, adjusting the percentage weight corresponding to the sulfur content to obtain the target weight of the sulfur content, wherein it can be understood that, after analyzing the design parameters of the specified boiler or analyzing the actual combustion data for the specified boiler, if the high-temperature corrosion characteristic of the coal type which should be considered for the optimized combustion of the specified boiler is determined, the target weight of the sulfur content in the coal type quality evaluation index can be improved to represent that the coal quality evaluation score of the specified boiler considers the high-temperature corrosion characteristics of different coal types; if the high-temperature corrosion characteristic of the coal type should not be emphasized by the optimized combustion of the specified boiler, the target weight of the sulfur content in the coal quality evaluation index can be reduced to indicate that the high-temperature corrosion characteristic of the coal type is not emphasized by the coal quality evaluation score of the specified boiler.
If the optimized combustion requirement of the boiler is related to the heat value characteristics of the coal, adjusting the percentage weight corresponding to the oxygen content to obtain the target weight of the oxygen content, wherein it can be understood that, after the design parameters of the specified boiler are analyzed or the actual combustion data are analyzed for the specified boiler, if the heat value characteristics of the optimized combustion coal type of the specified boiler are determined, the target weight of the oxygen content in the coal quality evaluation index can be improved to represent that the coal quality evaluation score of the specified boiler considers the heat value characteristics of different coal types; if the optimal combustion of the specified boiler is determined not to emphasize the heat value characteristic of the coal, the target weight of the oxygen content in the coal quality evaluation index can be reduced to show that the coal quality evaluation score of the specified boiler does not emphasize the heat value characteristic of the coal.
If the optimized combustion requirement of the boiler is related to the suitability of the coal combustion, adjusting the percentage weight corresponding to the suitability of the boiler and the coal to obtain a target weight corresponding to the suitability of the boiler and the coal, wherein it can be understood that, after the design parameters of the specified boiler are analyzed or actual combustion data is analyzed for the specified boiler, if the suitability of the optimized combustion of the specified boiler to the coal combustion is determined, the target weight of the suitability of the boiler and the coal can be improved to represent the suitability of the coal quality evaluation score of the specified boiler to the coal; if it is determined that the optimal combustion of the specified boiler should not emphasize suitability for coal combustion, the target weight for suitability of the specified boiler for coal may be reduced to indicate that the coal quality evaluation score of the specified boiler does not emphasize suitability for coal.
204. And performing weighted calculation on the target evaluation indexes and the target weights corresponding to the evaluation indexes to obtain coal quality index evaluation scores.
After the target weight corresponding to each target evaluation index is obtained in step 203, weighting calculation may be performed in combination with the target evaluation index corresponding to step 202 to obtain a coal quality evaluation score. Specifically, each target evaluation index is multiplied by the corresponding target weight, and then the sum is carried out, and the sum is obtained to obtain a score, namely a coal quality evaluation score.
For example, assuming that the composite score is OP, the evaluation index is a (for example, a1 represents volatile matter, a2 represents ash, A3 represents sulfur, a4 represents oxygen content, A5 represents adaptability of the boiler to coal, … …), the weight of the evaluation index is P (the weight corresponding to a1 is P1, the weight corresponding to a2 is P2, the weight corresponding to A3 is P3, the weight corresponding to a4 is P4, the weight corresponding to A5 is P5, … …), and the composite score OP is a × P ═ a1 × P1+ a2 × P2+ A3 × P3+ a4 × P4+ A5 × P5+ … …. In this example, a may be two or more evaluation indexes including suitability of the boiler to the coal, and the number of the weights P of the evaluation indexes corresponds to the number of the evaluation indexes, and is not particularly limited herein.
205. And displaying the coal quality evaluation score.
After the coal quality evaluation score of a certain coal type for a specified boiler type is obtained in step 204, the coal quality evaluation score may be displayed so that a manager of the specified boiler may know the coal quality evaluation score of the coal type and may make a corresponding policy adjustment according to the coal quality evaluation score.
In the embodiment of the application, the inherent coal quality evaluation index of the coal and the adaptability evaluation index of the boiler and the coal are combined to be the original evaluation indexes, the original evaluation indexes are subjected to normalization processing to obtain dimensionless pure quantity, then the target weight of each target evaluation index is received, and the evaluation score containing the evaluation index on the aspect of the specified boiler type can be obtained through weighting calculation, so that the coal quality evaluation data and the specified boiler type are organically fused, and the selection of the method for evaluating the coal quality mixed with the boiler is provided.
The above describes the coal quality evaluation method according to the embodiment of the present application, and the following describes the coal quality evaluation system according to the embodiment of the present application, with reference to fig. 3, an embodiment of the coal quality evaluation system according to the present application includes:
a first obtaining unit 301, configured to obtain a target evaluation index of coal, where the target evaluation index includes an adaptability evaluation index of a boiler and the coal and a coal quality evaluation index;
a second obtaining unit 302, configured to obtain a target weight corresponding to each target evaluation index;
a calculating unit 303, configured to perform weighted calculation on the target evaluation index and the target weight corresponding to the evaluation index to obtain a coal quality evaluation score.
In the embodiment of the present application, the operation performed by the coal quality index evaluation system is similar to the operation performed in fig. 1, and is not described herein again.
In the embodiment of the application, the inherent coal quality evaluation index of the coal and the adaptability evaluation index of the boiler and the coal are combined to serve as target evaluation indexes, the target weight of each target evaluation index is received, and then the evaluation score containing the evaluation index in the aspect of the specified boiler type can be obtained through weighting calculation, so that the coal quality evaluation data and the specified boiler type are organically fused, and the selection of the system for evaluating the coal quality mixed with the boiler is provided.
Referring to fig. 4, another embodiment of the coal quality index evaluation system in the present application includes:
a first obtaining unit 401, configured to obtain a target evaluation index of coal, where the target evaluation index includes an adaptability evaluation index of a boiler and the coal and a coal quality evaluation index;
a second obtaining unit 402, configured to obtain a target weight corresponding to each target evaluation index;
a calculating unit 403, configured to perform weighted calculation on the target evaluation index and the target weight corresponding to the evaluation index to obtain a coal quality evaluation score.
Optionally, when the first obtaining unit 401 obtains the evaluation index of the coal, it is specifically configured to:
obtaining the original evaluation index of the coal;
and carrying out normalization processing on the original evaluation index of the coal to obtain a target evaluation index of the coal.
Optionally, the coal quality evaluation index includes: volatiles, ash, sulfur, oxygen content.
Optionally, the target weight for the volatiles, ash, sulfur, oxygen content, or boiler suitability for coal is between 0% and 90%.
Optionally, when obtaining the target weight corresponding to each target evaluation index, the second obtaining unit 402 is specifically configured to:
if the optimized combustion requirement of the boiler is related to the ignition characteristics of the coal, adjusting the corresponding percentage weight of the volatile components to obtain the target weight of the volatile components;
if the optimized combustion requirement of the boiler is related to the burnout characteristics of the coal, adjusting the corresponding percentage weight of the ash content to obtain the target weight of the ash content;
if the optimized combustion requirement of the boiler is related to the high-temperature corrosion characteristic of the coal, adjusting the corresponding percentage weight of the sulfur content to obtain the target weight of the sulfur content;
if the optimized combustion requirement of the boiler is related to the heat value characteristic of the coal, adjusting the percentage weight corresponding to the oxygen content to obtain the target weight of the oxygen content;
if the optimized combustion requirement of the boiler is related to the adaptability of coal combustion, adjusting the percentage weight corresponding to the adaptability of the boiler and the coal to obtain the target weight corresponding to the adaptability of the boiler and the coal.
Optionally, the coal quality index evaluation system further includes:
a display unit 404, configured to display the coal quality evaluation score.
In the embodiment of the present application, the operation performed by the coal quality index evaluation system is similar to the operation performed in fig. 2, and is not described herein again.
In the embodiment of the application, the inherent coal quality evaluation index of the coal and the adaptability evaluation index of the boiler and the coal are combined to be the original evaluation indexes, the original evaluation indexes are subjected to normalization processing to obtain dimensionless pure quantity, then the target weight of each target evaluation index is received, and the evaluation score containing the evaluation index on the aspect of the specified boiler type can be obtained through weighting calculation, so that the coal quality evaluation data and the specified boiler type are organically fused, and the selection of the system for evaluating the coal quality mixed with the boiler is provided.
Another embodiment of the coal quality index evaluation system is described below with reference to fig. 5, which specifically includes:
the coal quality index evaluation system 500 may include one or more Central Processing Units (CPUs) 501 and a memory 505, where one or more applications or data are stored in the memory 505. Memory 505 may be volatile storage or persistent storage, among others. The program stored in memory 505 may include one or more modules, each of which may include a series of instructions operating on a coal quality index evaluation system. Still further, the central processor 501 may be configured to communicate with the memory 505 and execute a series of instruction operations in the memory 505 on the coal quality index evaluation system 500. The coal quality index evaluation system 500 may also include one or more power supplies 502, one or more wired or wireless network interfaces 503, one or more input-output interfaces 504, and/or one or more operating systems, such as Windows Server, Mac OS X, Unix, Linux, FreeBSD, etc. The central processing unit 501 may perform the operations in the embodiments shown in fig. 1 to fig. 2, which are not described herein again.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other manners. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
Units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit 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 may be substantially implemented or contributed to by the prior art, or all or part of the technical solution may be embodied in a software product, which is stored in a storage medium and includes 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 various other media capable of storing program codes.
Claims (10)
1. A coal quality index evaluation method is characterized by comprising the following steps:
obtaining target evaluation indexes of coal, wherein the target evaluation indexes comprise adaptability evaluation indexes of a boiler and the coal and coal quality evaluation indexes;
acquiring target weight corresponding to each target evaluation index;
and performing weighted calculation on the target evaluation indexes and the target weights corresponding to the evaluation indexes to obtain coal quality evaluation scores.
2. The coal quality index evaluation method according to claim 1, wherein the obtaining of the evaluation index of coal includes:
obtaining the original evaluation index of the coal;
and carrying out normalization processing on the original evaluation index of the coal to obtain a target evaluation index of the coal.
3. The coal quality index evaluation method according to claim 2, wherein the coal quality index includes: volatiles, ash, sulfur, oxygen content.
4. The coal quality index evaluation method according to claim 3, wherein the target weight corresponding to the suitability of the volatile matter, ash, sulfur, oxygen content, or boiler to coal is between 0% and 90%.
5. The coal quality index evaluation method according to claim 4, wherein obtaining the target weight corresponding to each target evaluation index comprises:
if the optimized combustion requirement of the boiler is related to the ignition characteristics of the coal, adjusting the corresponding percentage weight of the volatile components to obtain the target weight of the volatile components;
if the optimized combustion requirement of the boiler is related to the burnout characteristics of the coal, adjusting the corresponding percentage weight of the ash content to obtain the target weight of the ash content;
if the optimized combustion requirement of the boiler is related to the high-temperature corrosion characteristic of the coal, adjusting the corresponding percentage weight of the sulfur content to obtain the target weight of the sulfur content;
if the optimized combustion requirement of the boiler is related to the heat value characteristic of the coal, adjusting the percentage weight corresponding to the oxygen content to obtain the target weight of the oxygen content;
if the optimized combustion requirement of the boiler is related to the adaptability of coal combustion, adjusting the percentage weight corresponding to the adaptability of the boiler and the coal to obtain the target weight corresponding to the adaptability of the boiler and the coal.
6. The coal quality index evaluation method according to claim 5, wherein after the obtaining of the coal quality index evaluation score, the method further comprises:
and displaying the coal quality evaluation score.
7. A coal quality index evaluation system is characterized by comprising:
the system comprises a first acquisition unit, a second acquisition unit and a control unit, wherein the first acquisition unit is used for acquiring a target evaluation index of coal, and the target evaluation index comprises an adaptability evaluation index of a boiler and the coal and a coal quality evaluation index;
the second acquisition unit is used for acquiring a target weight corresponding to each target evaluation index;
and the calculating unit is used for carrying out weighted calculation on the target evaluation indexes and the target weights corresponding to the evaluation indexes to obtain coal quality evaluation scores.
8. A coal quality index evaluation system is characterized by comprising:
the system comprises a processor, a memory, a bus and input and output equipment;
the processor is connected with the memory and the input and output equipment;
the bus is respectively connected with the processor, the memory and the input and output equipment;
the processor performs the method of any one of claims 1 to 6.
9. A computer storage medium having stored therein instructions that, when executed on a computer, cause the computer to perform the method of any one of claims 1 to 6.
10. A computer program product, characterized in that the computer program product, when executed on a computer, causes the computer to perform the method according to any of claims 1 to 6.
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