CN111143458A - Thermal power generation enterprise digital coal yard data management system and method - Google Patents
Thermal power generation enterprise digital coal yard data management system and method Download PDFInfo
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Abstract
The invention discloses a digital coal yard data management system and a method for a thermal power generation enterprise, which comprises the following steps: the system comprises an incoming coal receiving and unloading management module, a coal blending loading management module and a coal yard management module; the coal yard storage information is directly related with the coal receiving and unloading information, the coal blending loading information and the coal storage inventory information through a coal yard database in a coal yard management module, the data source of the coal storage information is further recorded besides the recorded coal storage information, corresponding data of each coal storage, coal taking or inventory operation in each coal area in the coal yard database form an operation block, and when deviation exists between the coal yard data and real data in the recording process, data streams in the coal yard database can be updated retroactively, so that the energy conservation of the coal yard from entering the factory to entering the furnace in the whole process of the coal yard is realized, and the accuracy of digital coal yard data management is higher.
Description
Technical Field
The invention belongs to the field of computer technology application, and particularly relates to a thermal power generation enterprise digital coal yard data management system and method.
Background
With the further development of the power system reform, the survival development of power generation enterprises is challenged greatly, and the core problem of the survival and development of the power generation enterprises is how to reduce the power generation cost and improve the power generation operational benefits on the premise of ensuring the power generation quality. Meanwhile, with the innovative development of scientific technologies such as computers, the internet, artificial intelligence, automation and informatization and the wide application in thermal power enterprises, the refined coal yard and the intelligent coal piling and taking management become effective schemes for solving the survival and development problems of the thermal power enterprises, so that the digital coal yard becomes an important component of the modern construction of the thermal power enterprises. The digital coal yard takes the processes of coal feeding, storage and consumption as main management objects, and designs a data model for efficiently managing fuel quantity, quality and price information through a data structure. The management quality of the coal yard directly influences the production efficiency and economic benefit of an ignition electric enterprise, the coal yard of a thermal power generation enterprise is digitized, data management is carried out on the coal yard, real-time control of coal yard information can be realized, coal receiving, unloading and blending operation can be scientifically guided, energy conservation of the coal yard is guaranteed, the economic benefit of the thermal power enterprise is improved, a set of fine and comprehensive coal yard management system is established for the thermal power enterprise, a standardized management platform is provided for blending and coal yard management, the problem of management confusion of most thermal power enterprises is solved, and environmental protection benefits are brought to a power plant, so that research on the digital coal yard data management system and method of the thermal power generation enterprise has high academic value and application prospect.
In the existing digital coal yard data management system of the thermal power generation enterprise, a coal yard database stores data by taking coal areas as units, the data in each coal area forms an operation block, and when unloading, stacking, coal taking, loading and the like are performed, the data of each coal area in the coal yard database is directly updated, and the data sources are not distinguished. When the coal yard data has deviation with the real data in the recording process, the data stream in the coal yard database cannot be updated traceably, the conservation of the energy of the coal yard in and out in the whole process from entering the factory to entering the furnace cannot be realized, and the accuracy of the digital coal yard data management of the thermal power generation enterprise is low.
Disclosure of Invention
In view of the above defects or improvement needs of the prior art, the present invention provides a method and a system for managing digital coal yard data of a thermal power generation enterprise, which aims to solve the technical problem of low accuracy of coal yard data management caused by that data storage is performed by taking coal areas as units and data in each coal area forms an operation block in the prior art.
In order to achieve the above object, in a first aspect, the present invention provides a digital coal yard data management system for a thermal power generation enterprise, including: the system comprises an incoming coal receiving and unloading management module, a coal blending loading management module and a coal yard management module;
the coal yard management module comprises a coal yard data calculation unit and a coal yard database, wherein the output end of the coal yard data calculation unit is connected with the input end of the coal yard database; the output end of the coal receiving and unloading management module is respectively connected with the input ends of the coal yard data calculation unit and the coal yard database; the output end of the coal blending upper bin management module is respectively connected with the input ends of the coal yard data calculation unit and the coal yard database; the coal yard database is used for storing coal storage information, coal receiving and unloading information, coal taking and loading information and coal storage plate point information of the coal yard, and directly associating the coal storage information of the coal yard with the coal receiving and unloading information, coal blending and loading information and the coal storage plate point information;
the coming coal unloading management module is used for predicting coming coal information by combining the quality of the square coal or a pre-sampling result obtained in the dispatching link; an unloading scheme is established according to the incoming coal information, the incoming coal is unloaded and stacked, the receiving and unloading information is recorded, and the unloading information is synchronously updated to a coal yard database; after the mining and preparation result of the incoming coal is obtained, outputting the mining and preparation result to the coal yard data calculation unit;
the coal yard data calculation unit is used for receiving a coal mining and preparation result input by the coal receiving and discharging management module, calculating and updating coal quality and coal price information in the corresponding receiving and discharging record of the incoming coal based on the coal mining and preparation result, and then updating the coal quantity, the coal quality and the coal price information of the stored coal in the related coal area;
the coal blending upper bin management module is used for pre-estimating the quality of coal entering the furnace according to the selected coal blending scheme; based on the estimated value of the coal quality of the coal as fired, coal blending is carried out after coal taking and loading from each partition according to a coal blending scheme to obtain coal as fired, coal taking and loading information is recorded and a coal yard database is correspondingly updated, the coal taking and loading information is estimated coal taking and loading information at the moment, and the estimated coal taking and loading information is output to a coal yard data calculation unit; then, the coal as fired is mined and made, and after the mining and making result of the coal as fired comes out, the mining and making result is output to a coal yard data calculation unit;
the coal yard data calculation unit is also used for receiving the estimated coal feeding information and the coal as fired mining and preparation result output by the coal blending feeding management module, integrating the obtained coal as fired mining and preparation result to obtain coal blending information, performing reverse pushing according to the obtained coal blending information to obtain coal feeding information of each partition, correcting the estimated coal feeding information to ensure that the coal yard energy is conserved and correspondingly updating the coal yard database.
Further preferably, the coal yard database comprises a coal yard data composition table; the coal yard data composition table is used for recording the modification of coal storage information of the coal yard from coal receiving and unloading operation, coal taking and loading operation or inventory operation, and directly associating the coal storage information of the coal yard with the receiving and unloading information, the coal blending and loading information and the coal storage inventory information.
Further preferably, the coal yard management module further comprises an interface display unit, wherein the input end of the interface display unit is respectively connected with the coal yard data calculation unit and the output end of the coal yard database;
the interface display unit is used for displaying the coal storage information of the coal yard in real time through a graphical interface; the coal storage information comprises the coal quantity, the coal quality and the coal price information of each coal area, wherein the coal area is taken as a unit, and the weighted average value of the coal quality and the coal price information of all the coal storage, coal taking and inventory operation data in the coal area is taken as the coal quality and the coal price information of the coal area; and when the coal yard database is updated, the coal quantity, the coal quality and the coal price information of the coal yard are automatically calculated and updated and are displayed in real time through a graphical interface.
In a second aspect, the present invention provides a coal yard data management method based on the digital coal yard data management system of the thermal power generation enterprise provided in the first aspect of the present invention, including:
when the incoming coal enters the factory, the incoming coal is mined; managing the loading and unloading data of the incoming coal:
estimating coal information by combining the quality of the ore side coal or a pre-sampling result obtained in the dispatching link; an unloading scheme is established according to the incoming coal information, the incoming coal is unloaded and stacked, the receiving and unloading information is recorded, and the unloading information is synchronously updated to a coal yard database; after the mining and preparation result of the incoming coal comes out, calculating and updating the coal quality and coal price information in the corresponding receiving and unloading record of the incoming coal based on the mining and preparation result, and then updating the coal quantity, the coal quality and the coal price information of the stored coal in the related coal area;
when coal blending is carried out, managing the coal blending and loading data of the coming coal:
estimating the quality of the coal entering the furnace according to the selected coal blending scheme; based on the obtained estimated value of the coal quality of the coal as fired, coal is blended after coal taking and loading from each subarea according to a coal blending scheme to obtain coal as fired, coal taking and loading information is recorded and a coal yard database is correspondingly updated, and the coal taking and loading information is estimated coal taking and loading information at the moment; then, coal as fired is mined and made; and after the coal as fired mining and preparation result is obtained, integrating the obtained coal as fired mining and preparation result to obtain coal blending information, performing reverse pushing according to the obtained coal blending information to obtain coal taking and loading information of each partition, correcting the estimated coal taking and loading information to ensure that the energy of the coal yard is conserved, and correspondingly updating a coal yard database.
Further preferably, the coal yard data management method further includes: displaying the coal storage information of the coal yard in real time through a graphical interface; the coal storage information comprises the coal quantity, the coal quality and the coal price information of each coal area, wherein the coal area is taken as a unit, and the weighted average value of the coal quality and the coal price information of all the coal storage, coal taking and inventory operation data in the coal area is taken as the coal quality and the coal price information of the coal area; and when the coal yard database is updated, the coal quantity, the coal quality and the coal price information of the coal yard are automatically calculated and updated and are displayed in real time through a graphical interface.
Further preferably, the coal yard data management method further includes: when the coal yard data in the coal yard database is not equal to the actual coal yard data, performing checking operation, wherein the method for performing the checking operation comprises the following steps: emptying the coal yard database, and filling the actual data obtained by checking; or, a certain amount of incoming coal is virtualized, and the coal storage data is adjusted and corrected through the virtualization of the receiving and unloading process, so that the energy of the coal yard is balanced.
Further preferably, when the coal loading and unloading operation, the coal taking and loading operation or the checking operation is performed, the corresponding types of data are automatically updated for the corresponding coal areas in the coal yard database, and the coal quantity, the coal quality and the coal price data of the coal yard are automatically calculated and updated.
In general, compared with the prior art, the above technical solution contemplated by the present invention can achieve the following beneficial effects:
1. the invention provides a digital coal yard data management system for a thermal power generation enterprise, which directly associates coal storage information of a coal yard in a coal yard database with incoming coal unloading information, coal blending loading information and coal storage disk point information, records the coal storage information and further records a data source of the coal storage information, wherein corresponding data of each operation in each coal area in the coal yard database form an operation block, and when deviation exists between the coal yard data and real data in the recording process, data streams in the coal yard database can be updated retroactively, so that the energy conservation of the incoming and outgoing coal yards in the whole process from entering a factory to entering a furnace is realized, and the accuracy of digital coal yard data management is higher.
2. In the digital coal yard data management system for the thermal power generation enterprises, which is provided by the invention, the coal yard database comprises a coal yard data composition table, all data influencing coal yard coal storage information are structurally stored according to categories, convenience is provided for data updating, correction and initialization, the coal yard coal storage information is directly related to receiving and unloading information, coal blending and loading information and coal storage plate point information, the coal yard coal storage information is automatically updated along with receiving and unloading operation or coal taking and loading operation when coal enters a plant every time, repeated entry and editing of the data are reduced, and the consistency and real-time performance of the coal yard data are ensured.
3. In the digital coal yard data management system for the thermal power generation enterprises, provided by the invention, coal area data in a coal yard database is mainly formed by weighting loading and unloading, loading and checking operation data, each operation data can be traced back and updated, and the coal yard data is very convenient to maintain.
4. The invention provides a digital coal yard data management method for a thermal power generation enterprise, which respectively manages the receiving and unloading data and the coal blending and loading data of incoming coal, integrates the obtained coal as fired mining and preparation results to obtain coal blending information, performs reverse pushing according to the obtained coal blending information based on the coal yard energy conservation principle to obtain coal fetching and loading information of each partition, corrects the estimated coal fetching and loading information in real time to ensure that the coal yard is conserved in energy in and out, updates a coal yard database correspondingly and has higher accuracy of data management.
Drawings
Fig. 1 is a schematic structural diagram of a digital coal yard data management system of a thermal power generation enterprise provided by the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
In order to achieve the above object, in a first aspect, the present invention provides a digital coal yard data management system for a thermal power generation enterprise, as shown in fig. 1, including: the system comprises an incoming coal receiving and unloading management module, a coal blending loading management module and a coal yard management module;
the coal yard management module comprises a coal yard data calculation unit and a coal yard database, wherein the output end of the coal yard data calculation unit is connected with the input end of the coal yard database; the output end of the coal receiving and unloading management module is respectively connected with the input ends of the coal yard data calculation unit and the coal yard database; the output end of the coal blending upper bin management module is respectively connected with the input ends of the coal yard data calculation unit and the coal yard database; the coal yard database is used for storing coal storage information, coal receiving and unloading information, coal taking and loading information and coal storage plate point information of the coal yard, and directly associating the coal storage information of the coal yard with the coal receiving and unloading information, coal blending and loading information and the coal storage plate point information; because the coal yard strictly carries out coal classification stacking, correspondingly, the coal yard database also carries out partition management on the coal storage information, and the coal types are finely divided to provide accurate coal storage information.
The coming coal unloading management module is used for predicting coming coal information by combining the quality of the square coal or a pre-sampling result obtained in the dispatching link; an unloading scheme is established according to the incoming coal information, the incoming coal is unloaded and stacked, the receiving and unloading information is recorded, and the unloading information is synchronously updated to a coal yard database; after the mining and preparation result of the incoming coal is obtained, outputting the mining and preparation result to the coal yard data calculation unit;
the coal yard data calculation unit is used for receiving a coal mining and preparation result input by the coal receiving and discharging management module, calculating and updating coal quality and coal price information in the corresponding receiving and discharging record of the incoming coal based on the coal mining and preparation result, and then updating the coal quantity, the coal quality and the coal price information of the stored coal in the related coal area; specifically, the related coal areas refer to the coal areas of the coal unloading and stacking operation corresponding to the mining and preparation results.
The coal blending upper bin management module is used for pre-estimating the quality of coal entering the furnace according to the selected coal blending scheme; based on the estimated value of the coal quality of the coal as fired, coal blending is carried out after coal taking and loading from each partition according to a coal blending scheme to obtain coal as fired, coal taking and loading information is recorded and a coal yard database is correspondingly updated, the coal taking and loading information is estimated coal taking and loading information at the moment, and the estimated coal taking and loading information is output to a coal yard data calculation unit; then, the coal as fired is mined and made, and after the mining and making result of the coal as fired comes out, the mining and making result is output to a coal yard data calculation unit;
the coal yard data calculation unit is also used for receiving the estimated coal feeding information and the coal as fired mining and preparation result output by the coal blending feeding management module, integrating the obtained coal as fired mining and preparation result to obtain coal blending information, performing reverse pushing according to the obtained coal blending information to obtain coal feeding information of each partition, correcting the estimated coal feeding information to ensure that the coal yard energy is conserved and correspondingly updating the coal yard database.
Preferably, the coal yard database comprises a coal yard data composition table; the coal yard data composition table is used for recording the modification of coal storage information of the coal yard from coal receiving and unloading operation, coal taking and loading operation or inventory operation, and directly associating the coal storage information of the coal yard with the receiving and unloading information, the coal blending and loading information and the coal storage inventory information.
Specifically, in an optional embodiment 1, the coal yard database includes a coal arrival confirmation record table, a coal arrival information record table, a coal yard arrival coal stacking record detail table, a coal yard coal blending plan table, a coal blending plan detail table, a coal blending plan auditing table, a coal taking and warehousing record table and detail table thereof, a coal yard information record table, a coal district information record table, a coal type information record table, and a coal yard data composition table.
1) The coming coal confirmation record table, the coming coal information recording table, the coal yard coming coal stacking record table and the coal yard coming coal stacking record detail table are used for recording the information input by the coming coal unloading management module. Water transportation and railway transportation are main transportation modes of coal from large thermal power enterprises, so that water transportation coal loading and unloading and train coal loading and unloading become two most important loading and unloading scenes in loading and unloading operation. The above coals include water transportation coals and train coals. Specifically, first, the information for butt-joint coal confirmation is mainly managed using the coal confirmation entry table and the coal information entry table. The method specifically comprises the following steps: adopting a coal receiving confirmation record table to record coal receiving confirmation operation information, including information of input time, record persons, modification time, modification persons, class, shift and the like, and managing receiving and discharging team personnel information of coal receiving confirmation and coal receiving record information; the coal information recording table is used for recording the coming coal information of the coal entering the factory in detail, and the coming coal information specifically comprises coal supply units, forecast coal quality information, coal types, coal quantity, arrival time, coming coal quality information and the like. For water-borne coal, the number of the pre-mining, the number of the ship, the arrival time, the pre-mining coal quality information and the like are also required to be recorded; for train coal, the information such as the over-balance number, the departure station, the heavy vehicle number and the like of the train coal is also required to be recorded; meanwhile, a receiving and unloading number recording table is required to be designed, and the number information of the heavy vehicle is recorded into the receiving and unloading number recording table, so that the detailed management of the coal vehicle in the coal receiving and unloading process is facilitated. And secondly, a coal yard coming coal stacking record table and a coal yard coming coal stacking record detail table are mainly adopted to realize the structured processing of information generation and record in the coal receiving and unloading process. The method specifically comprises the following steps: the coal yard is adopted to record coal piling operation information including information of piling time, piled coal amount, operator, shift, class, input time, modification time, modifier and the like. The detail table of coal piling records in the coal yard is adopted to record the detailed information of piling operation, including the over-balance number, the coal supply unit, the coal type, the receiving and unloading time, the receiving and unloading coal quantity, the coal quality information of the coming coal, the piling position, the unit price of the raw coal entering the factory and the like. And for water coal transportation, the sampling number, the ship number and the like of the water coal transportation are also required to be recorded; the train coal is also required to record the information of the total number of trains, the number of receiving and unloading trains, the number of non-unloading trains during shift and the like. Because the train coal is loaded and unloaded by taking the coal cars as units, a train loading and unloading number information table is also required to be designed, the number of the unloaded and un-unloaded coal cars is recorded, and data transmission work is conveniently performed when the loading and unloading shifts are handed over.
2) The coal blending scheme table, the coal blending scheme detail table, the design coal blending scheme auditing table, the coal taking and loading record table and the detail table are used for recording information input by the coal blending loading management module; firstly, the selection and optimization of the coal blending scheme are realized by adding, deleting, modifying, checking and auditing data in a coal blending scheme table, a coal blending scheme detail table and a design coal blending scheme auditing table of a coal yard. Specifically, the coal yard coal blending plan table is used for recording information such as a formulation person, formulation time, plan type, plan starting time, plan ending time and the like of a coal blending plan; the coal blending scheme detail table is used for recording coal quality information of unit coal bins, coal types, heat values, volatile matters, sulfur and the like participating in blending of the coal blending scheme in detail, and information such as weighted coal quality information, integrated unit price of coal as fired, weighted unit price and coal blending operation mode and the like calculated according to blending of the scheme proportion. And designing a coal blending scheme auditing table for recording the operation mode, the coal taking area, the auditing information and the like of the coal blending scheme. Secondly, the coal taking and loading record table and the detail table thereof respectively record the detailed coal as fired quantity, quality and price information in the coal taking operation and the operation, wherein the coal as fired quantity is recorded in real time through a coal as fired belt scale and sub-furnace metering data automatically collected by the system. The coal taking and loading record table and the detail table thereof are combined, the quantity, the quality, the price and the coal blending combustion of the coal as fired can be managed, the economic indexes of the coal as fired are counted and calculated, and the digital management of the coal as fired and the stored coal is realized.
3) The coal yard information recording table, the coal area information recording table, the coal type information recording table and the coal yard data composition table are used for comprehensively managing coal storage information of the coal yard. The coal yard information recording table takes a coal yard as a main key and is mainly used for recording information such as the name, the coordinate position, the length, the width, the capacity and the like of the coal yard; the coal area information recording table takes the coal area as a main key and is mainly used for recording information such as a coal yard, coordinates, length, width, capacity, preset coal types, economic coal storage amount and the like of the coal area; the coal type information table takes the coal type number as a main key and is mainly used for recording information such as the name of the coal type, the upper and lower limits of a heat value, the upper and lower limits of volatile matters, the upper and lower limits of sulfur, color identification and the like. The coal yard data composition table is mainly used for recording the modification of coal yard storage information by coal receiving and unloading operation, coal taking and loading operation or inventory operation and is used as a data source for inquiring the coal yard storage information. Different from single coal yard coal storage data, the coal yard data composition table stores all data influencing coal yard coal storage information in a structured manner according to categories, and provides convenience for updating, correcting and initializing the data, so that the coal storage information of the coal yard is directly related to receiving and unloading information, coal blending and loading information and coal storage disk point information, along with receiving and unloading operation or coal taking and loading operation when coal enters a plant each time, the coal yard coal storage information is automatically updated, repeated entering and editing of the data are reduced, and the consistency and the real-time performance of the coal yard data are ensured; in the coal fetching and loading operation process, the coal yard data in the coal yard database are synchronously updated to form a table when loading information is recorded and stored, and loading records are newly added, wherein the coal loading amount is added into the coal storage amount of the coal area of the coal yard in a negative number.
In addition, in an optional embodiment 2, when there is a situation that incoming coal needs to be directly loaded into the bunker in the unloading scheme, the output end of the incoming coal unloading management module is further connected with the input end of the coal blending bunker loading management module, and for incoming coal that needs to be directly loaded into the bunker, unloading information is automatically generated, coal fetching bunker loading information is automatically generated, and the unloading information is output to the coal blending bunker loading management module. The coal blending loading management module receives the coal fetching loading information, takes train coal as an example, selects the train number of the train coal directly loaded into the bin, and updates the train number into the receiving and unloading train number information table according to receiving and unloading rules, the coal fetching loading information is recorded and stored, the coal yard data in the coal yard database is synchronously updated to form a table, loading records are newly added, and the coal loading amount is loaded into the coal storage amount of the coal yard coal area by a negative numerical value.
Preferably, the coal yard management module further comprises an interface display unit, wherein the input end of the interface display unit is respectively connected with the coal yard data calculation unit and the output end of the coal yard database;
the interface display unit is used for displaying the coal storage information of the coal yard in real time through a graphical interface; the coal storage information comprises the coal quantity, the coal quality and the coal price information of each coal area, wherein the coal area is taken as a unit, and the weighted average value of all coal storage, coal taking and inventory operation data in the coal area and the coal quality and coal price information of the coal area is taken as the coal quality and coal price information of the coal area; and when the coal yard database is updated, the coal quantity, the coal quality and the coal price information of the coal yard are automatically calculated and updated and are displayed in real time through a graphical interface. In an optional embodiment 3, the coal yard structure is displayed by adopting a three-dimensional graph in the display interface, and the coal quantity, the coal quality and the coal price information of each coal area of the coal yard are displayed. The administrator authority can increase, delete, change and check the coal storage information of the coal yard according to the change of the actual situation, and common users only have the inquiry authority.
In a second aspect, the present invention provides a coal yard data management method based on the digital coal yard data management system of the thermal power generation enterprise provided in the first aspect of the present invention, including:
when the incoming coal enters the factory, the incoming coal is mined; managing the loading and unloading data of the incoming coal:
because the coal mining and preparation result cannot be generated in a short time, the coal confirmation operation needs to be carried out, and the coal information is estimated by combining the quality of the ore side coal or the pre-sampling result obtained in the dispatching and transportation link;
because the actual coal yard strictly performs classified coal stacking, finely divides and distinguishes coal types for coal storage, and distributes the coal amount of each area according to the average principle to provide accurate coal storage information, an unloading scheme is formulated according to the coming coal information and the specific conditions of each coal area in the coal yard, which coal areas and the unloading amount of each coal area are unloaded in future are determined, the coming coal is unloaded and stacked, the unloading information is recorded, and the unloading information is synchronously updated to a coal yard database; specifically, the loading and unloading information is recorded and stored, the coal yard data in the coal yard database is synchronously updated to form a table, and a loading and unloading record is newly added, wherein the loading and unloading quantity is counted into the coal storage quantity of the coal area of the coal yard by a positive numerical value.
After the mining and preparation result of the incoming coal comes out, calculating and updating the coal quality and coal price information in the corresponding unloading record of the incoming coal based on the mining and preparation result, and then updating the coal quantity, the coal quality and the coal price information of the stored coal in the related coal area. Specifically, the mining and preparation result, namely the coal quality information, and the coal price information calculated according to the coal quality are updated according to the over-balance serial number information in the unloading record.
When coal blending is carried out, managing the coal blending and loading data of the coming coal:
estimating the quality of the coal entering the furnace according to the selected coal blending scheme; in a preferred scheme, a plurality of coal blending schemes are preset, and the most economical coal blending scheme is selected after factors such as combustion efficiency, power plant load, pollutant discharge, coal storage situation of a coal yard and the like are comprehensively considered.
Based on the obtained estimated value of the coal quality of the coal as fired, coal is blended after coal taking and loading from each subarea according to a coal blending scheme to obtain coal as fired, coal taking and loading information is recorded and a coal yard database is correspondingly updated, and the coal taking and loading information is estimated coal taking and loading information at the moment; specifically, coal taking and loading operation is carried out strictly according to the heat value range in the coal blending scheme, and coal taking and loading information is recorded; and when the coal loading information is input and stored, synchronously updating the coal yard data in the coal yard database to form a table, and adding a loading record, wherein the coal loading amount is added into the coal storage amount of the coal area of the coal yard in a negative value.
Mining and preparing the coal as fired; after the coal as fired is mined and manufactured, because a large error exists between the estimated coal feeding information and the coal as fired mining and manufacturing result, the obtained coal as fired mining and manufacturing result is integrated to obtain coal blending information, the obtained coal blending information is subjected to back-pushing to obtain coal feeding information of each partition, the estimated coal feeding information is corrected to ensure that the energy of coal yard inlet and outlet is conserved, and the coal yard database is correspondingly updated.
Preferably, the coal yard data management method further includes: when the coal yard data in the coal yard database is not equal to the actual coal yard data, performing checking operation, wherein the method for performing the checking operation comprises the following steps: emptying the coal yard database, and filling the actual data obtained by checking; or, a certain amount of incoming coal is virtualized, and the coal storage data is adjusted and corrected through the virtualization of the receiving and unloading process, so that the energy of the coal yard is balanced. Further, when the coal loading and unloading operation, the coal taking and loading operation or the checking operation is carried out, the data of the corresponding category is automatically updated for the corresponding coal area in the coal yard database, and the coal quantity, the coal quality and the coal price data of the coal yard are automatically calculated and updated.
Through the process, the dynamic change of the relevant data of each coal area in the whole process from coal entering a factory to coal entering a furnace for combustion can be recorded, and the data management of the digital coal yard is closer to the data of the actual coal yard through data regulation.
Preferably, the coal yard data management method further includes: displaying the coal storage information of the coal yard in real time through a graphical interface; the coal storage information comprises the coal quantity, the coal quality and the coal price information of each coal area, wherein the coal area is taken as a unit, and the weighted average value of the coal quality and the coal price information of all the coal storage, coal taking and inventory operation data in the coal area is taken as the coal quality and the coal price information of the coal area; and when the coal yard database is updated, the coal quantity, the coal quality and the coal price information of the coal yard are automatically calculated and updated and are displayed in real time through a graphical interface. The coal storage information of the coal yard is updated in time through the receiving and unloading information and the coal blending information, the real-time performance of the coal yard data is guaranteed, the coal storage data is displayed through a graphical interface, and decision basis can be visually provided for receiving and unloading and coal blending management personnel.
It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (7)
1. A digital coal yard data management system of thermal power generation enterprise, characterized by comprising: the system comprises an incoming coal receiving and unloading management module, a coal blending loading management module and a coal yard management module;
the coal yard management module comprises a coal yard data calculation unit and a coal yard database, wherein the output end of the coal yard data calculation unit is connected with the input end of the coal yard database; the output end of the coal unloading management module is respectively connected with the input ends of the coal yard data calculation unit and the coal yard database; the output end of the coal blending upper bin management module is respectively connected with the input ends of the coal yard data calculation unit and the coal yard database; the coal yard database is used for storing coal storage information, coal receiving and unloading information, coal taking and loading information and coal storage plate point information of a coal yard, and directly associating the coal storage information of the coal yard with the coal receiving and unloading information, coal blending and loading information and the coal storage plate point information;
the coming coal unloading management module is used for predicting coming coal information by combining the quality of the square coal or a pre-sampling result obtained in the dispatching link; an unloading scheme is established according to the incoming coal information, the incoming coal is unloaded and stacked, the receiving and unloading information is recorded, and the unloading information is synchronously updated to the coal yard database; after the mining and preparation result of the incoming coal is obtained, outputting the mining and preparation result to the coal yard data calculation unit;
the coal yard data calculation unit is used for receiving a coal mining and preparation result input by the coal receiving and discharging management module, calculating and updating coal quality and coal price information in a corresponding receiving and discharging record of the incoming coal based on the coal mining and preparation result, and then updating coal storage quantity, coal quality and coal price information of a related coal area;
the coal blending upper bin management module is used for pre-estimating the quality of coal entering the furnace according to the selected coal blending scheme; based on the estimated value of the coal quality of the coal as fired, coal blending is carried out after coal taking and loading from each partition according to a coal blending scheme to obtain coal as fired, coal taking and loading information is recorded and a coal yard database is correspondingly updated, the coal taking and loading information is estimated coal taking and loading information at the moment, and the estimated coal taking and loading information is output to a coal yard data calculation unit; then, coal as fired is mined and converted, and after the mining and converting result of the coal as fired comes out, the mining and converting result is output to the coal yard data calculation unit;
the coal yard data calculation unit is also used for receiving the estimated coal feeding information and the coal as fired mining and preparation result output by the coal blending feeding management module, integrating the obtained coal as fired mining and preparation result to obtain coal blending information, performing reverse pushing according to the obtained coal blending information to obtain coal feeding information of each partition, correcting the estimated coal feeding information to ensure that the coal yard energy is conserved and correspondingly updating the coal yard database.
2. The thermal power enterprise digital coal yard data management system of claim 1, wherein the coal yard database comprises a coal yard data composition table;
the coal yard data composition table is used for recording the modification of coal storage information of the coal yard by coal receiving and unloading operation, coal taking and loading operation or inventory operation, and directly associating the coal storage information of the coal yard with receiving and unloading information, coal blending and loading information and coal storage inventory information.
3. The digital coal yard data management system of thermal power generation enterprise of claim 1, wherein the coal yard management module further comprises an interface display unit, an input end of the interface display unit is connected with the coal yard data calculation unit and an output end of the coal yard database respectively;
the interface display unit is used for displaying the coal storage information of the coal yard in real time through a charting interface; the coal storage information comprises coal quantity, coal quality and coal price information of each coal area, wherein the coal area is taken as a unit, and the weighted average value of the coal quality and the coal price information of all coal storage, coal taking and inventory operation data in the coal area is taken as the coal quality and coal price information of the coal area; and when the coal yard database is updated, the coal quantity, the coal quality and the coal price information of the coal yard are automatically calculated and updated and are displayed in real time through a graphical interface.
4. The coal yard data management method based on the digital coal yard data management system of the thermal power generation enterprise according to claim 1, characterized by comprising the following steps:
when the incoming coal enters the factory, the incoming coal is mined; managing the loading and unloading data of the incoming coal:
estimating coal information by combining the quality of the ore side coal or a pre-sampling result obtained in the dispatching link; an unloading scheme is established according to the incoming coal information, the incoming coal is unloaded and stacked, the receiving and unloading information is recorded, and the unloading information is synchronously updated to a coal yard database; after the mining and preparation result of the incoming coal comes out, calculating and updating the coal quality and coal price information in the corresponding receiving and unloading record of the incoming coal based on the mining and preparation result, and then updating the coal quantity, the coal quality and the coal price information of the stored coal in the related coal area;
when coal blending is carried out, managing the coal blending and loading data of the coming coal:
estimating the quality of the coal entering the furnace according to the selected coal blending scheme; based on the obtained estimated value of the coal quality of the coal as fired, coal is blended after coal taking and loading from each subarea according to a coal blending scheme to obtain coal as fired, coal taking and loading information is recorded and a coal yard database is correspondingly updated, and the coal taking and loading information is estimated coal taking and loading information at the moment; then, coal as fired is mined and made; and after the coal as fired mining and preparation result is obtained, integrating the obtained coal as fired mining and preparation result to obtain coal blending information, performing reverse pushing according to the obtained coal blending information to obtain coal taking and loading information of each partition, correcting the estimated coal taking and loading information to ensure that the energy of the coal yard is conserved, and correspondingly updating a coal yard database.
5. The coal yard data management method of claim 4, further comprising: displaying the coal storage information of the coal yard in real time through a graphical interface; the coal storage information comprises coal quantity, coal quality and coal price information of each coal area, wherein the coal area is taken as a unit, and the weighted average value of the coal quality and the coal price information of all coal storage, coal taking and inventory operation data in the coal area is taken as the coal quality and coal price information of the coal area; and when the coal yard database is updated, the coal quantity, the coal quality and the coal price information of the coal yard are automatically calculated and updated and are displayed in real time through a graphical interface.
6. The coal yard data management method of claim 4, further comprising: when the coal yard data in the coal yard database is not equal to the actual coal yard data, performing checking operation, wherein the method for performing the checking operation comprises the following steps: emptying the coal yard database, and filling the actual data obtained by checking; or, a certain amount of incoming coal is virtualized, and the coal storage data is adjusted and corrected through the virtualization of the receiving and unloading process, so that the energy of the coal yard is balanced.
7. The coal yard data management method as claimed in claim 6, wherein when the coal receiving and stacking operation, the coal taking and loading operation or the checking operation is performed, the corresponding category data is automatically updated for the corresponding coal area in the coal yard database, and the coal quantity, coal quality and coal price data of the coal yard are automatically calculated and updated.
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