WO2019167992A1 - Plant operation assistance device and plant operation assistance method - Google Patents
Plant operation assistance device and plant operation assistance method Download PDFInfo
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- WO2019167992A1 WO2019167992A1 PCT/JP2019/007450 JP2019007450W WO2019167992A1 WO 2019167992 A1 WO2019167992 A1 WO 2019167992A1 JP 2019007450 W JP2019007450 W JP 2019007450W WO 2019167992 A1 WO2019167992 A1 WO 2019167992A1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
- G06Q50/06—Electricity, gas or water supply
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q30/00—Commerce
- G06Q30/06—Buying, selling or leasing transactions
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N5/00—Systems for controlling combustion
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N5/00—Systems for controlling combustion
- F23N5/26—Details
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
- G06Q10/063—Operations research, analysis or management
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q30/00—Commerce
- G06Q30/06—Buying, selling or leasing transactions
- G06Q30/0601—Electronic shopping [e-shopping]
- G06Q30/0623—Item investigation
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
- G06Q50/04—Manufacturing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/30—Computing systems specially adapted for manufacturing
Definitions
- the present disclosure relates to plant operation support, and more particularly, to plant operation support through determination of fuel configurations of a plurality of types of fuel used in a plant including a boiler.
- a primary energy seller (such as a fuel supplier or a trading company) manages, operates, and replenishes required fuel in a fuel storage facility in a facility of a plurality of secondary energy producers (such as an electric power company).
- An energy trading method using a computer network capable of improving the efficiency of fuel trading by managing in a lump is disclosed. More specifically, the primary energy seller is notified of the amount of fuel stored in the fuel storage facilities installed at multiple secondary energy producers by contacting the primary energy seller. , Gas).
- priority is given to a power plant of a secondary energy producer with a small amount of fuel remaining and consumption per day, and the type of fuel to be transported is determined based on stocks to be sold at an early stage.
- Patent Document 1 In the energy transaction method disclosed in Patent Document 1, a primary energy seller collectively plans a fuel transportation plan based on the fuel storage amount of a plurality of secondary energy producers. There is no description of fuel producers (hereinafter referred to as fuel suppliers) that provide primary energy (fuel). That is, Patent Document 1 does not consider the production status of the fuel supplier.
- the boiler fuel must satisfy the constraints such as fuel combustibility and millability.
- biomass fuels have large variations in properties, such as the yield of timber and palm nuts, which are the raw materials, are easily affected by climatic conditions, and the production area, raw materials, and storage methods affect the moisture content.
- EPC EPC: Engineering
- a fuel combustion plant including a device such as a boiler that burns fuel. , Procurement and Construction), etc.
- the fuel composition of the fuel used in the fuel combustion plant was proposed (drafted).
- plant operators it is possible to provide appropriate operation support, such as providing a fuel supply plan that is optimal in terms of cost and stable supply of fuel for operators operating the fuel combustion plant (hereinafter referred to as plant operators). It becomes.
- plant operators by determining the fuel to be used in consideration of the production status of the fuel supplier, it is possible to formulate a more appropriate production plan for the fuel supplier.
- At least one embodiment of the present invention provides a plant operation support apparatus that provides operation support for a fuel combustion plant through determination of a fuel configuration provided to a plant operator from a plurality of fuel suppliers. Objective.
- a plant operation support apparatus includes: A plant operation support device for determining a fuel procurement plan, which is a plan for procurement of a plurality of types of fuel used in a fuel combustion plant, A device information holding unit for storing device information related to the devices constituting the fuel combustion plant; A plant operation plan acquisition unit for acquiring an operation plan which is a plan related to the operation of the fuel combustion plant operated by a plant operator; A candidate fuel information acquisition unit that acquires candidate fuel information including information on at least one of the fuel characteristics, the available amount, or the fuel cost of each of the plurality of types of fuel provided from a plurality of fuel suppliers; A component device information acquisition unit that acquires the device information of at least one of the devices constituting the fuel combustion plant from the device information holding unit; Based on the candidate fuel information, the operation plan, and the device information of the at least one device, the procurement amount of each of the plurality of types of fuel supplied from each of the plurality of fuel suppliers is determined for each predetermined period.
- a fuel procurement plan determination unit that determines
- Equipment information such as the specifications of various equipment such as equipment that constitutes a fuel combustion plant such as boilers, combustion equipment, heat exchangers, denitration equipment, and exhaust gas treatment equipment, and the selection of fuel that can be used in equipment such as boilers Or information useful for making a maintenance plan, for example, an EPC operator who undertakes plant construction.
- the plant operation support device is a device closely related to the EPC operator, such as an EPC operator that possesses equipment information such as specifications of equipment constituting the fuel combustion plant.
- a fuel procurement plan relating to a plurality of types of fuel suitable for the equipment plan and the operation plan planned by the plant operator is determined with the fuel scheduled to be held by each of the plurality of fuel suppliers as candidates.
- a fuel procurement plan feedback unit that transmits at least a part of the information on the fuel procurement plan to at least one of the plurality of fuel suppliers.
- each fuel supplier makes adjustments such as an increase in production of fuel with a demanded fuel type or a reduction in production of fuel types without a demand by feeding back the fuel procurement plan to the fuel supplier. It is possible to optimize the fuel production and inventory of the fuel supplier.
- the fuel procurement plan feedback unit acquires adjustment availability information indicating whether or not the available amount of each of the plurality of types of fuel provided from the plurality of fuel suppliers can be adjusted, and the adjustment Based on the availability information, the destination fuel supplier that transmits at least a part of the fuel procurement plan is determined.
- the fuel procurement plan is based on the operation plan of the plant and can be said to be management information, that is, highly confidential information for the plant operator. Therefore, according to the configuration of the above (3), it is possible to prevent unnecessary information diffusion by feeding back the fuel procurement plan only to the fuel supplier capable of adjusting the fuel amount. In addition, the fuel supplier can be encouraged to increase or decrease the production of fuel, thereby reducing the procurement cost on the plant operator or EPC business side and the cost on the fuel supplier side.
- a fuel usage record obtained by operating the fuel combustion plant according to the fuel procurement plan, the fuel usage record including a combustion performance or a fuel usage amount of at least one of the plurality of types of fuels is acquired.
- woody biomass fuel is produced from industrial waste such as timber (raw wood) produced directly from forests such as thinned wood, scraps and wood chips generated from wood processing, and building demolition materials.
- industrial waste such as timber (raw wood) produced directly from forests such as thinned wood, scraps and wood chips generated from wood processing, and building demolition materials.
- variation in properties such as moisture content is greatly affected by the moisture content and the like being influenced by such raw material origin, tree species, storage method, etc., and combustion performance tends to vary.
- fossil fuels such as coal may have different combustion performance depending on the production area. Therefore, there may be a difference between the combustion performance of the fuel supplier and the actual combustion performance when the fuel is actually used. If the combustion performance is different, the fuel usage amount may deviate from the planned value.
- the fuel usage record obtained by using a plurality of types of fuel supplied based on the fuel procurement plan for the operation of the fuel combustion plant is Feedback to provided fuel supplier. This enables the fuel supplier to optimize the fuel supplier's fuel production by making production adjustments and inventory adjustments by increasing or decreasing the required fuel, and more reliably to the plant operator. It is possible to perform a stable fuel supply.
- the candidate fuel information acquisition unit acquires the candidate fuel information corrected by the fuel supplier based on the fuel usage record. According to the configuration of (5) above, a more accurate fuel procurement plan can be determined.
- the apparatus further includes a maintenance plan determination unit that determines a maintenance plan for the fuel combustion plant based on the device information, the operation plan, and the fuel procurement plan.
- the maintenance plan for the fuel combustion plant is determined based on the fuel procurement plan including information on the fuel used.
- woody biomass fuels differ in the amount of ash in the fuel depending on the type of bark, sawdust, waste wood, and the like. Even in the case of coal, there is a difference in the amount and adhesion of ash depending on the type of low-grade coal and high-grade coal.
- the tolerance to failures differs depending on the specifications of the equipment constituting the fuel combustion plant. Therefore, an appropriate maintenance plan can be determined by considering the specifications (equipment information) of the fuel combustion plant, the operation plan, and the type of fuel used.
- An operation data result acquisition unit for acquiring operation data results obtained by executing the operation of the fuel combustion plant according to the fuel procurement plan;
- a maintenance plan correction determination unit for determining correction of the maintenance plan based on the operation data results;
- the correction of the maintenance plan is determined based on the operation data results obtained by the operation of the fuel combustion plant.
- the fuel procurement plan determination unit determines a usable fuel in the fuel combustion plant from a plurality of fuels included in the candidate fuel information based on the candidate fuel information and the device information, and determines that the fuel is usable.
- the fuel procurement plan is calculated based on the candidate fuel information, the equipment information, and the operation plan of the fuel that has been used. According to the configuration of (8) above, an optimal operation plan can be proposed to the plant operator.
- the fuel procurement plan determination unit performs machine learning on the relationship between past fuel used in the past in the fuel combustion plant and past operation results obtained by operating the fuel combustion plant using the past fuel.
- the fuel procurement plan is determined from the candidate fuel information, the operation plan, and the device information of the at least one device using the learning model created by doing so. According to the configuration of (9) above, an optimal operation plan obtained through machine learning can be proposed to the plant operator.
- the candidate fuel information includes information on the fuel cost.
- a fuel procurement plan in which the fuel cost is minimized is determined. Can be determined.
- the candidate fuel information includes information on the available amount.
- the information on the amount that can be provided is included in the candidate fuel information, for example, a fuel procurement plan capable of stable fuel procurement is determined. A fuel procurement plan can be determined.
- the candidate fuel information includes information on the fuel characteristics.
- the fuel containing a large amount of ash-forming elements that increase the adhesion of ash produced by combustion of, for example, Na, K, Cl, etc. contained in the fuel is likely to increase maintenance costs.
- the component in the candidate fuel information it is possible to determine a fuel procurement plan that emphasizes maintenance costs, for example, to determine a fuel procurement plan that minimizes maintenance costs.
- the amount of ash generated the amount of gypsum generated in the case of coal, chemicals that suppress ash adhesion and environmental harmful substances (for example, aluminum chemicals that weaken clinker adhering to the furnace wall and make it easy to peel off, (For example, chemicals used in exhaust gas treatment equipment and wastewater treatment equipment, but not limited to them.)
- chemicals that suppress ash adhesion and environmental harmful substances for example, aluminum chemicals that weaken clinker adhering to the furnace wall and make it easy to peel off, (For example, chemicals used in exhaust gas treatment equipment and wastewater treatment equipment, but not limited to them.)
- Estimating the usage amount, etc. for example, determining a fuel procurement plan that minimizes running costs. It is possible to determine a fuel procurement plan that emphasizes
- the plurality of types of fuel include biomass.
- biomass such as woody biomass
- the production amount of biomass such as woody biomass can change depending on the season because the growth of wood as a raw material is affected by weather conditions.
- Biomass has a large variation in properties compared to fossil fuels.
- an optimal operation plan can be proposed to the plant operator for a plurality of fuels including biomass having such properties.
- a plant operation support method includes: A plant operation support method for determining a fuel procurement plan, which is a plan for procurement of a plurality of types of fuel used in a fuel combustion plant, A plant operation plan acquisition step for acquiring an operation plan which is a plan related to the operation of the fuel combustion plant operated by the plant operator; A candidate fuel information acquisition step of acquiring candidate fuel information including at least one information of fuel characteristics, available amount or fuel cost of each of the plurality of types of fuel provided from a plurality of fuel suppliers; A component information acquisition step of acquiring device information of at least one of the devices constituting the fuel combustion plant; Procurement of each of the plurality of types of fuel supplied from each of the plurality of fuel suppliers based on the candidate fuel information, the operation plan, and the device information of the at least one device. And a fuel procurement plan determination step for determining the fuel procurement plan capable of realizing the operation plan by determining the quantity.
- the method further comprises a fuel procurement plan feedback step of transmitting at least a portion of the information on the fuel procurement plan to at least one of the plurality of fuel suppliers. According to the configuration of the above (15), the same effect as the above (2) can be obtained.
- the fuel procurement plan feedback step acquires adjustment availability information indicating whether or not the available amount of each of the plurality of types of fuel provided from the plurality of fuel suppliers can be adjusted, and the adjustment Based on the availability information, the destination fuel supplier that transmits at least a part of the fuel procurement plan is determined. According to the configuration of (16), the same effect as (3) can be obtained.
- a fuel usage record obtained by operating the fuel combustion plant according to the fuel procurement plan, the fuel usage record including a combustion performance or a fuel usage amount of at least one of the plurality of types of fuels is acquired.
- the candidate fuel information acquisition step acquires the candidate fuel information corrected by the fuel supplier based on the fuel usage record. According to the configuration of the above (18), the same effect as the above (5) is obtained.
- a maintenance plan determining step for determining a maintenance plan for the fuel combustion plant based on the equipment information, the operation plan, and the fuel procurement plan is further provided. According to the configuration of (19), the same effect as (6) can be obtained.
- the fuel procurement plan determination step determines a fuel that can be used in the fuel combustion plant from a plurality of fuels included in the candidate fuel information based on the candidate fuel information and the device information, and determines that the fuel can be used.
- the fuel procurement plan is calculated based on the candidate fuel information, the equipment information, and the operation plan of the fuel that has been used. According to the configuration of (21), the same effect as in (8) can be obtained.
- the fuel procurement plan determination step is a machine learning of a relationship between a past use fuel used in the past in the fuel combustion plant and a past operation result obtained by operating the fuel combustion plant using the past use fuel.
- the fuel procurement plan is determined from the candidate fuel information, the operation plan, and the device information of the at least one device using the learning model created by doing so. According to the configuration of (22), the same effect as (9) is achieved.
- the candidate fuel information includes information on the fuel cost. According to the configuration of the above (23), the same effect as the above (10) can be obtained.
- the candidate fuel information includes information on the available amount. According to the configuration of (24), the same effect as (11) can be obtained.
- the candidate fuel information includes information on the fuel characteristics. According to the configuration of (25), the same effect as (12) is achieved.
- the plurality of types of fuel include biomass. According to the configuration of (26), the same effect as (13) can be obtained.
- a plant operation support apparatus that supports operation of a fuel combustion plant through determination of fuel configuration provided to a plant operator from a plurality of fuel suppliers.
- FIG. 1 is a diagram illustrating an entire system including a plant operation support apparatus according to an embodiment of the present invention. It is a figure for demonstrating the whole image of the content performed with the system of FIG. 1 which concerns on one Embodiment of this invention. It is a block diagram which shows the function of the plant operation assistance apparatus which concerns on one Embodiment of this invention. It is a figure which shows the fuel procurement plan which concerns on one Embodiment of this invention. It is a figure which shows the flow which determines the several fuel defined in the fuel procurement plan which concerns on one Embodiment of this invention. It is a figure for demonstrating correction of the production plan of the fuel by the fuel supplier which concerns on one Embodiment of this invention.
- an expression indicating that things such as “identical”, “equal”, and “homogeneous” are in an equal state not only represents an exactly equal state, but also has a tolerance or a difference that can provide the same function. It also represents the existing state.
- expressions representing shapes such as quadrangular shapes and cylindrical shapes represent not only geometrically strict shapes such as quadrangular shapes and cylindrical shapes, but also irregularities and chamfers as long as the same effects can be obtained. A shape including a part or the like is also expressed.
- the expressions “comprising”, “comprising”, “comprising”, “including”, or “having” one constituent element are not exclusive expressions for excluding the existence of the other constituent elements.
- FIG. 1 is a diagram showing an entire system including a plant operation support apparatus 1 according to an embodiment of the present invention.
- FIG. 2 is a figure for demonstrating the whole image of the content performed with the system of FIG. 1 which concerns on one Embodiment of this invention.
- a boiler plant 92 that is a plant including a boiler will be described as an example of a fuel combustion plant.
- the application destination of the present invention is not limited to a boiler plant, but a plant that procures and uses a plurality of fuels. Can be applied if present.
- a plant operator 9 who operates a boiler plant 92 receives fossil fuel (for example, coal, oil, gas, etc.) and biomass (for example, woody biomass) from a plurality of fuel suppliers 8 (described above).
- the boiler plant 92 is operated in response to the supply (supply) of boiler fuel, such as various fuels.
- the fuel supplier 8 is a fuel producer (fuel importer) that produces or imports the above boiler fuel, or a trading company that sells the fuel produced by the fuel producer to the plant operator 9, and supplies at least one type of boiler fuel. handle.
- the fuel supplier 8 and the plant operator 9 perform a fuel transaction via the plant operation support device 1.
- the plant operation support device 1 is a device that is managed by, for example, an EPC operator who undertakes plant construction.
- the EPC operator owns and manages the plant operation support device 1.
- the EPC company holds equipment information B such as specifications of various equipment including the boiler constituting the boiler plant 92.
- equipment information B is information for use in predicting the degree of progress of equipment degradation when selecting a fuel that can be used in the boiler and operating the boiler using fuel having various characteristics. Yes.
- the fuel supplier 8 and the plant operator 9 use the knowledge and know-how of an EPC business operator who has knowledge about the characteristics of the boiler plant 92 to execute more desirable fuel transactions for both. Make it possible.
- the plant operation support apparatus 1 (such as an EPC operator) performs fuel configuration and maintenance based on various information provided from the fuel supplier 8 and the plant operator 9.
- an initial plan such as a plan.
- the initial plan is corrected and feedback to the fuel supplier 8 is performed.
- FIG. 3 is a block diagram illustrating functions of the plant operation support apparatus 1 according to an embodiment of the present invention.
- FIG. 4 is a diagram showing a fuel procurement plan P according to an embodiment of the present invention.
- FIG. 5 is a diagram showing a flow for determining a plurality of fuels determined in the fuel procurement plan P according to the embodiment of the present invention.
- the plant operation support device 1 is a device that determines a fuel procurement plan P, which is a plan for procurement of a plurality of types of fuel used in the boiler plant 92. As shown in FIG. 3, the plant operation support apparatus 1 includes a device information holding unit 2, a plant operation plan acquisition unit 31, a candidate fuel information acquisition unit 32, a component device information acquisition unit 33, and a fuel procurement plan. And a determination unit 4. Each of these functional units will be described.
- the plant operation support apparatus 1 is configured by a computer, and includes a CPU (processor) (not shown) and a storage device such as a memory such as a ROM and a RAM. And each said function part is implement
- the plant operation support program may be stored in a computer-readable storage medium.
- the device information holding unit 2 stores device information B of devices constituting the boiler plant 92.
- the boiler plant 92 is comprised with various apparatuses including a boiler.
- a mill device that pulverizes the fuel of the boiler, a fuel conveying device (such as a belt conveyor) to the mill device, or a primary air or combustion gas that conveys fuel pulverized by the mill device to a boiler (burner)
- Various equipment that constitutes a combustion device that supplies and burns secondary air various heat exchangers such as superheaters, reheaters, and economizers installed in boilers and flues, and denitration equipment that processes exhaust gas It is composed of various devices such as various devices constituting exhaust gas treatment devices such as electrostatic precipitators and desulfurization devices, and generators driven by steam generated by a boiler.
- the device information B of each device is stored in the device information holding unit 2 such as a database within a necessary range.
- the plant operation plan acquisition unit 31 acquires an operation plan D that is a plan related to the operation of the boiler plant 92 that is operated by the plant operator 9.
- the output of the boiler plant 92 (the amount of steam or the amount of power generated through the operation of the boiler) for each unit period such as hour, day, week, month, quarter, and year is a predetermined period longer than the unit period. For example, it is determined based on a power generation plan in which the power generation amount for each unit period is determined over a predetermined period, for example.
- the plant operator 9 operates the boiler plant 92 according to the operation plan D.
- the operation plan D may be created by the plant operator 9 or may be created by another person (such as a business operator). good.
- the candidate fuel information acquisition unit 32 acquires information on each of a plurality of types of fuel provided from the plurality of fuel suppliers 8 (hereinafter, candidate fuel information F). Each fuel supplier 8 provides at least one type of fuel. Further, the candidate fuel information F includes at least one information of the fuel characteristic Fp, the provideable amount Fq, or the fuel cost Fc for each fuel type. Fuels having different fuel types have different fuel characteristics Fp. Specifically, fossil fuels and biomass, and coal, oil and gas have different fuel types. In the case of biomass, for example, if the moisture content of woody biomass, calorific value, etc. are consistent within a certain range, they may be of the same type, or if they are derived from different raw materials such as tree species or wood, building waste, etc. The types may be different. In addition, in the case of coal, the fuel type is different between high-grade coal and low-grade coal.
- the information of the fuel characteristics Fp is an index that quantifies and shows the characteristics of the fuel.
- the water content water content
- the calorific value MJ / kg, etc.
- the bulk density kg / m 3 etc.
- the energy density MJ / m 3 etc.
- composition ash content (wt% etc.)
- at least fuel shapes related to handling properties such as pellets, chips, fuel types such as PKS (Palm Kernel Shell), EFB (Empty Fruit Bunches)
- PKS Param Kernel Shell
- EFB Empty Fruit Bunches
- the information on the available amount Fq includes information on the amount of fuel (surplus fuel) for each type of fuel that can be shipped immediately, such as fuel in stock, and at least one of fuel that can be shipped in the near future.
- the latter (information that can be shipped in the near future) includes, for example, fuel supplier production plans (including Yamamoto) where the supply amount from point B in country A (for example, tons per month) has changed from 10,000 to 20,000.
- this information includes information such as the prediction that palm fruit production will increase and that PKS will increase, and that new types of fuel will be developed. If it is a new kind fuel, the availability in the boiler plant 92 may be confirmed beforehand.
- the information on the available amount Fq may be reflected in the available amount Fq because the supply plans for other countries and other boiler plants of each fuel supplier 8 are included. Alternatively, the supply plan to the other is excluded in advance from the available amount Fq, so that information on the fuel amount that can be provided to the boiler plant 92 to which the information on the available amount Fq is provided is obtained. May be.
- the information of the fuel cost Fc may include at least one information of a price (unit price) per unit amount (weight), a transportation cost for transporting the fuel from the fuel supplier 8 to the boiler plant 92, and an insurance premium.
- a price (unit price) per unit amount (weight) a transportation cost for transporting the fuel from the fuel supplier 8 to the boiler plant 92
- an insurance premium a cost for transporting the fuel from the fuel supplier 8 to the boiler plant 92
- the fuel cost (fuel price) of fuel can be calculated by unit price x supply amount (purchased amount), but if the fuel cost is small enough to ignore the fuel cost, only the fuel cost is included
- the information included in the fuel cost Fc may be determined by the relative size of the candidate information.
- the component device information acquisition unit 33 acquires device information of at least one device constituting the boiler plant 92 from the device information holding unit 2. That is, the component device information acquisition unit 33 acquires device information about devices in a necessary range from the device information holding unit 2.
- the fuel procurement plan determination unit 4 determines each of a plurality of types of fuel supplied from each of the plurality of fuel suppliers 8 based on the candidate fuel information F, the operation plan D, and at least one piece of device information B described above. By determining the procurement amount for each period, the fuel procurement plan P that can realize the operation plan D is determined. As shown in FIG. 4, the fuel procurement plan P includes one or more types of fuel to be procured from each of the plurality of fuel suppliers 8 and the amount of each fuel in a plurality of unit periods constituting a predetermined period. It is determined for each. By referring to the device information B, the amount of steam to be generated in order to obtain the amount of power generation is obtained from the amount of power generation (power generation plan) to be generated. Further, the amount of energy (calorie) required to generate the amount of steam is obtained from the amount of steam to be generated. The required amount of fuel is obtained from the required amount of energy and the fuel characteristics Fp such as the amount of heat generated by the fuel.
- the type and amount of fuel that each of the plurality of fuel suppliers 8 can supply are not necessarily the same. Further, even if each of the plurality of fuel suppliers 8 handles the same type of fuel, there is a difference in at least one of the unit price, transportation cost, and insurance premium, and the fuel cost depends on which fuel supplier 8 is procured. Are usually different. Therefore, the fuel procurement plan determination unit 4 is a fuel procurement plan P that is a combination of a fuel type and a fuel supplier that can realize the operation plan D determined based on the electric power demand, the power generation capacity of the boiler plant 92, and the like. Is determined on the basis of the type of equipment constituting the boiler plant 92 and the actual fuel supply capability of each of the plurality of fuel suppliers 8 (the fuel type, the supplyable amount, the cost, etc. included in the candidate fuel information F). .
- the fuel procurement plan provisionally decided is transmitted to the plurality of fuel suppliers 8, and the fuel determined in the fuel procurement plan draft is transmitted.
- the fuel procurement plan determination unit 4 determines the fuel that can be used in the boiler plant 92 from the plurality of fuels included in the candidate fuel information F based on the candidate fuel information F and the equipment information B.
- the fuel procurement plan P is calculated based on the candidate fuel information F, the equipment information B, and the operation plan D regarding the fuel determined to be usable. For example, in addition to whether the fuel can be properly transported by the transport device that transports the fuel to the mill device, whether the fuel can be properly pulverized by the mill device, proper combustion in the boiler can be performed, etc. Whether or not the fuel can be used may be determined from the viewpoint of the degree of detoxification and the life such as corrosion and wear in the boiler and the flue. For example, there is a restriction that chlorine (Cl) in fuel used in a boiler needs to be 0.2% or less.
- the fuel procurement plan P At least a part of the fuel determined to be usable through the processing by the fuel procurement plan determination unit 4 is adopted in the fuel procurement plan P.
- the fuel cost Fc of the fuel, the stable procurement of the fuel Further, it may be determined in consideration of either the maintenance cost or the running cost of the boiler plant 92 with the highest priority.
- This top priority index (optimum policy) may be determined according to the needs of the plant operator 9, and such needs are input in advance and stored in a storage device or the like before the fuel procurement plan P is determined. Is done.
- the candidate fuel information F when preparing a fuel procurement plan P that emphasizes the fuel cost Fc, such as minimizing the fuel cost Fc, the candidate fuel information F must include information on the fuel cost Fc.
- the price of the fuel itself (fuel cost) can be calculated by unit price ⁇ fuel amount.
- the fuel cost Fc may be a CIF price including the fuel cost (Cost), insurance premium (Insurance), and freight charge (Freight), or may be a cost including at least one of them. good.
- the candidate fuel information F may further include information on the provideable amount Fq.
- the fuel supply plan F it is possible to stabilize the fuel supply by formulating a fuel procurement plan P that places importance on the fuel cost Fc of the fuel within the range of the fuel supply amount Fq that each fuel supplier 8 can currently provide. It is possible to determine the fuel procurement plan P with an emphasis on the fuel cost Fc.
- the candidate fuel information F may not include information on the amount Fq that can be provided.
- the fuel supply plan F which will be described later, is fed back to the fuel supplier 8 by the feedback. It becomes possible to promptly adjust inventory by the supplier 8 at an early stage.
- the candidate fuel information F includes information on the available amount Fq. That is, the operation plan D is determined within the range of the available amount Fq that each of the fuel suppliers 8 can currently provide.
- the candidate fuel information F may further include information on the fuel cost Fc. In this case, as described above, while reducing the fuel cost Fc, It becomes possible to determine the fuel procurement plan P that places importance on stable procurement.
- the candidate fuel information F includes information on the fuel characteristics Fp.
- the fuel has a high adhesion of ash generated by the combustion of the fuel. Therefore, the suit blower is operated frequently and the various heat exchanges inside the boiler. There is a need to remove the adhering ash (byproduct) on the heat transfer surface of the vessel (increased running cost).
- Chemicals to control ash adhesion and environmental harmful substances include aluminum chemicals that weaken and easily peel off clinker adhering to the furnace wall, and chemicals used in exhaust gas treatment equipment and wastewater treatment equipment.
- the suit blower removes ash adhering by injecting high-pressure steam or compressed air.
- the frictional force acting at the time of ash removal the result is that wear of the heat transfer tube is accelerated as much as the number of injections ( Maintenance costs increase).
- the fuel procurement plan determination unit 4 derives the fuel procurement plan P by using various learning models created by machine learning of past operation results. You may do it. More specifically, the fuel procurement plan determination unit 4 operates in the past (fuel used in the past in the fuel combustion plant) and operation results obtained by operating the fuel combustion plant using the fuel used in the past ( The fuel procurement plan P is determined from the candidate fuel information F, the operation plan D, and the device information B of at least one device using the learning model 71 created by machine learning of the relationship with the past operation results). .
- the fuel procurement plan P for which the fuel type is selected may be determined.
- the fuel procurement plan P in which the fuel type is selected (determined) with an emphasis on the by-product processing cost may be determined.
- a trouble prediction model (learning model 71) for predicting a trouble from the used fuel, Machine learning of the relationship with the repair cost results, and create a repair cost prediction model that derives the repair cost from the trouble.
- the fuel history up to now used in the fuel combustion plant is input to the trouble prediction model to predict the trouble, and the predicted trouble is input to the repair cost prediction model to calculate the repair cost. Therefore, using these models, it is possible to obtain a fuel configuration that can minimize the cost of refurbishment (which may take into account lost profits during the outage period) from candidate fuel information F, operation plan D, and equipment information B.
- the fuel procurement plan P in which the fuel type is selected (determined) with an emphasis on the maintenance cost may be determined.
- the fuel type may be selected by finding a fuel configuration in which the total cost of at least two items of the fuel cost, the by-product processing cost, or the maintenance cost is most suppressed. For example, the total of the three items may be selected.
- An optimum fuel configuration that can most suppress the operating cost (running cost) of the boiler plant 92 may be determined by finding a fuel configuration with the lowest cost.
- the past DB may store information on a plant different from the boiler plant 92 that is the target of the fuel procurement plan P.
- the fuel procurement plan P in which the fuel type is selected (determined) with an emphasis on stable operation may be determined.
- machine learning is performed on the relationship between the past used fuel, the trouble occurrence result, and the plant stop period associated therewith, from the candidate fuel information F, the operation plan D, and the device information B
- the learning model 71 that derives (outputs) the fuel configuration with the least trouble, the fuel procurement plan P in which the fuel type is selected (determined) is determined with emphasis on the occurrence of trouble.
- the fuel procurement plan P in which the fuel type is selected (determined) is determined with emphasis on the fact that the stable operation is possible from the two items of the stable operation and the occurrence of troubles. good. Thereafter, the fuel supplier 8 from which the determined fuel configuration is to be procured is determined in consideration of the above-described points such as fuel cost and stable fuel procurement.
- a condition for determining the fuel that can be used in the boiler plant 92 is acquired based on the equipment information B of the equipment that constitutes the boiler plant 92 and listed in the candidate fuel information F.
- the fuel procurement plan P is determined under the optimum policy set as described above.
- the determination of the usable fuel is performed based on the handling property (fuel shape), the moisture content, and the fuel component (S51), for example, a pellet, Based on values such as a moisture content of a% or less and a chlorine content of b% or less, candidate candidate fuels are narrowed down from a plurality of fuels (S52).
- a fuel procurement plan P is determined using the learning model 71 according to at least one policy (S53).
- the plant operation assistance apparatus 1 is an apparatus closely related with an EPC provider, such as holding
- a fuel procurement plan P related to a plurality of types of fuel suitable for the equipment information B and the operation plan D planned by the plant operator 9 is determined by using the fuel scheduled to be held by each of the above. By determining the fuel procurement plan P in this way, it is determined how much fuel should be supplied from which fuel supplier from the viewpoint of cost, fuel supply stability, etc. in the operation of the boiler plant 92. Therefore, an optimal fuel procurement plan P for realizing the operation plan D can be proposed to the plant operator 9.
- the plant operation support apparatus 1 may feed back the determined fuel procurement plan P to the fuel supplier 8. That is, in some embodiments, as shown in FIG. 3, the above-described plant operation support device 1 transmits fuel information that transmits at least a part of information of the fuel procurement plan P to at least one of the plurality of fuel suppliers 8. A plan feedback unit 51 is further provided. In determining the fuel procurement plan P, the plant operation support apparatus 1 obtains candidate fuel information F by receiving information from a plurality of fuel suppliers 8, but each fuel supplier is fed back by feeding back the fuel procurement plan P. 8, it becomes possible to review the fuel production plan according to the fuel demand determined in the fuel procurement plan P (see FIG. 6).
- FIG. 6 is a view for explaining correction of the fuel production plan by the fuel supplier 8 according to the embodiment of the present invention.
- the initial fuel production plan provided from the plurality of fuel suppliers 8 to the plant operation support apparatus 1 is as shown in FIG.
- the fuel [1] and the fuel [2] are different types, but the quality as fuel is the same (fuel that can be used as alternative fuel).
- the procurement amount of the boiler plant 92 is spring, summer, autumn and winter, and the sum of fuel [1] and fuel [2] is 40, respectively.
- the fuel supplier 8 is to deal with company A (producing fuel [1]) and company B (producing fuel [2]).
- Fuel [1] is a fuel with limited production time (harvested grain rice husks, etc.)
- Fuel [2] is a fuel that can easily adjust production time and increase production (such as wood processing mill ends). To do.
- Company B cuts the production [2], which is easy to adjust production, in the spring and summer when it is oversupplied (20 ⁇ 0), and in the fall when the supply becomes insufficient It is possible to modify the original production plan to increase production (20 ⁇ 40) in winter and winter respectively. And if a production plan is corrected in this way, it becomes possible to satisfy the demand of the plant operator 9.
- the best fuel configuration can be stably maintained for the plant operator 9.
- An EPC company or the like can avoid a situation that causes a shortage of supply, and it is not necessary to spot procure more expensive fuel from other fuel suppliers 8.
- the fuel supplier 8 (Company B) to have excessive inventory, and production can be concentrated in the fall and winter, so that no waste is generated.
- the entire fuel procurement plan P may be fed back to the fuel supplier 8.
- the required amount of fuel [1] for each time period (seasonally) for the company A and the fuel [2] for the company B ] A necessary range of information such as a necessary amount for each period may be fed back.
- the modification contents of the production plan as described above are created by the plant operation support device 1 and fed back to the company B as a proposal to the fuel supplier 8. Also good.
- the fuel suppliers 8 are also based on the fed back fuel procurement plan P. It can also be used to correct the production of multiple fuels.
- each fuel supplier 8 has adjustment availability information indicating whether or not the fuel amount can be adjusted and information on the fuel cost Fc
- the plant operation support apparatus 1 includes the adjustment availability information and the fuel cost Fc information.
- the fuel procurement plan P may be fed back only to the minimum fuel supplier 8 determined based on the above.
- the fuel procurement plan P is based on the plant operation plan D and can be said to be management information for the plant operator 9, that is, information with high confidentiality. Therefore, there is little need to feed back such a fuel procurement plan P to the fuel supplier 8 where the fuel amount cannot be adjusted. Therefore, by narrowing down the feedback destination of the fuel procurement plan P to the fuel supplier 8 capable of adjusting the fuel amount, it becomes possible to prevent unnecessary information diffusion.
- the fuel procurement plan feedback unit 51 obtains adjustment propriety information indicating whether or not the fuel amounts of the plurality of types of fuel provided from the plurality of fuel suppliers 8 can be adjusted, and Based on this adjustment availability information, the destination fuel supplier 8 that transmits at least a part of the fuel procurement plan P is determined (see FIGS. 7A to 7B).
- the above-described adjustment availability information may be included in the candidate fuel information F.
- the plant operation support apparatus 1 can grasp whether the fuel amount can be adjusted for each fuel type of the fuel supplier 8 by acquiring the candidate fuel information F.
- a predetermined period of the supplyable amount Fq for each fuel supplier 8 and each of a plurality of fuel types included in the candidate fuel information F, and the procurement amount for each fuel supplier 8 and each of a plurality of fuel types included in the fuel procurement plan P The adjustment availability information may be generated based on each difference.
- the fuel amount may be adjusted for a fuel having a difference between the procurement amount and the provable amount Fq.
- the fuel amount may be adjusted.
- FIG. 7A is a diagram for explaining a method for determining the fuel supplier 8 that is a feedback destination of the fuel procurement plan P according to the embodiment of the present invention.
- the plant operation support apparatus 1 firstly has an adjustable range S that is a period in which the fuel amount can be adjusted for each fuel supplier 8 and each fuel type based on the above-described adjustment availability information. Is judged.
- the period (period) during which the fuel amount can be adjusted is After period III, Company B is determined to be after Period II, and Company C is determined to be after Period IV.
- the feedback destination of the fuel procurement plan P is the fuel supplier 8 that can adjust the fuel amount for each period (the fuel supplier 8 having a period overlapping the adjustable range S).
- the fuel supplier 8 In II, it is B company, in period III it is at least one of company A or B, and in periods IV to V, it is at least one of company A, B or C.
- FIG. 7B is a diagram for explaining a method of determining the fuel supplier 8 that is the feedback destination of the fuel procurement plan P according to the embodiment of the present invention, and the feedback destination is determined based on the adjustment availability information and the fuel cost Fc. To do.
- Such information on the fuel cost Fc can be acquired by including the fuel cost Fc information for each of a plurality of types of fuel in the candidate fuel information F. Numerical values 1 to 3 in the table of FIG.
- the fuel cost Fc is a fuel unit price.
- the fuel cost Fc may be at least one of a fuel unit price, an insurance premium, and a freight charge, or a total of these at least two charges. Also good.
- the adjustable range S in FIG. 7B is the same as in FIG. 7A.
- the fuel amount is excessive in period I for fuel [1], but none of Company A to Company C can adjust the fuel amount. ⁇ Do not send to all of Company C.
- the fuel procurement plan P is transmitted to the company B.
- the amount of fuel is insufficient and Company A and Company B can adjust the amount of fuel.
- Company A's fuel cost Fc is the cheapest, so at least company A will procure fuel.
- the plan P is transmitted.
- the amount of fuel is excessive, and all of Company A, Company B, and Company C can adjust the amount of fuel.
- the fuel cost Fc of Company B is the most expensive, so at least B The fuel procurement plan P is transmitted to the company. Conversely, during period V, the amount of fuel is insufficient, and all of Company A, Company B, and Company C can adjust the amount of fuel, but since the fuel cost Fc of Company C is the cheapest, at least The fuel procurement plan P is transmitted to the company C.
- the transmission destination of the fuel procurement plan P is one company. If the transmission destination of the fuel procurement plan P is one company, the adjustment for only one company can be performed every period, and the adjustment can be complicated.
- the fuel procurement plan P is fed back to the fuel supplier 8 whose fuel cost Fc is low, thereby urging the increase in fuel production. For example, procurement costs can be reduced.
- the fuel supplier 8 cost can be reduced by feeding back the fuel procurement plan P to the fuel supplier 8 whose fuel cost Fc is expensive, thereby urging the production of fuel to be reduced.
- the fuel procurement plan P is fed back to the fuel supplier 8 so that each fuel supplier 8 makes adjustments such as an increase in the production of fuel with a demanded fuel type or a reduction in production of a fuel type with no demand.
- the fuel production and inventory of the fuel supplier 8 can be optimized.
- the plant operation support apparatus 1 described above has a fuel usage record Rf obtained by operating the boiler plant 92 according to the fuel procurement plan P.
- a fuel usage performance feedback unit 53 that transmits the information of the unit to at least one fuel supplier 8, such as at least one fuel supplier 8 that provided any one of a plurality of types of fuels defined in the fuel procurement plan P; May be further provided.
- the fuel usage record Rf is transmitted to the fuel supplier 8 that provided the fuel included in the fuel use record Rf.
- the combustion performance is, for example, a calorific value, and is information that can be used to estimate the fuel amount determined in the fuel procurement plan P as described above. Since the boiler plant 92 is operated according to the operation plan D, for example, if the calorific value is smaller than expected, more fuel is required to fill the small amount. On the contrary, if the calorific value is larger than expected, there is no need to use the fuel by that large amount, so surplus occurs in the fuel amount determined in the fuel procurement plan P, leading to an increase in the inventory of the fuel supplier 8.
- woody biomass fuel is produced from industrial waste such as timber (raw wood) produced directly from forests such as thinned wood, scraps and wood chips generated from wood processing, and building demolition materials.
- industrial waste such as timber (raw wood) produced directly from forests such as thinned wood, scraps and wood chips generated from wood processing, and building demolition materials.
- variation in properties such as moisture content is greatly affected by the moisture content and the like being influenced by such raw material origin, tree species, storage method, etc., and combustion performance tends to vary.
- fossil fuels such as coal may have different combustion performance depending on the production area. Therefore, there may be a difference between the combustion performance of the fuel supplier and the actual combustion performance when the fuel is actually used. If the combustion performance is different, the fuel usage amount may deviate from the planned value.
- Such a divergence may lead to an unplanned increase in inventory or a shortage of inventory for the fuel supplier 8.
- the plant operator 9 may also interfere with the operation of the boiler plant 92 according to the operation plan D. Therefore, the plant operation support apparatus 1 acquires the fuel usage record Rf from, for example, the plant operator 9 and feeds it back to the fuel supplier 8.
- the fuel supplier 8 corrects the information of the candidate fuel information F used at the time of planning the initial fuel procurement plan P to a more appropriate value, thereby causing a deviation from the plan value of the initial fuel procurement plan P. In such a case, a quick response is possible.
- the fuel usage record Rf obtained by using a plurality of types of fuel supplied based on the fuel procurement plan P for the operation of the boiler plant 92 allows the fuel to be supplied via the plant operation support device 1. Feedback is provided to the provided fuel supplier 8.
- the fuel supplier 8 can optimize the fuel production of the fuel supplier 8 by adjusting the production and inventory by increasing or decreasing the required fuel, and the plant operator 9 can be optimized. It is possible to more reliably perform stable fuel supply.
- the candidate fuel information acquisition unit 32 described above is based on the fuel usage record Rf.
- the corrected candidate fuel information F ′ may be acquired. That is, the plant operation support apparatus 1 creates the fuel procurement plan P again as described above using the corrected candidate fuel information F ′ as the candidate fuel information F. Further, this new fuel procurement plan P may be sent to the plant operator 9 and accepted by the plant operator 9 so that the initial fuel procurement plan P becomes a new fuel procurement plan P at an appropriate timing. It may be switched. Such a loop ((2) to (5) in FIG. 2) may be repeated one or more times.
- a more accurate fuel procurement plan P can be determined based on the more accurate candidate fuel information F reflecting the fuel usage record Rf.
- the plant operation support apparatus 1 described above determines a maintenance plan M for the boiler plant 92 based on the equipment information B, the operation plan D, and the fuel procurement plan P.
- a maintenance plan determination unit 61 may be further provided.
- the maintenance plan M defines a scheduled maintenance date (planned maintenance date) when the fuel specified in the fuel procurement plan P is used.
- the inventors of the present invention are concerned with problems such as blockage and wear of heat transfer tubes generated in the boiler plant 92, specifications of equipment constituting the boiler plant 92, fuel properties (composition, ash content, water content, etc.) of the fuel used.
- problems such as blockage and wear of heat transfer tubes generated in the boiler plant 92, specifications of equipment constituting the boiler plant 92, fuel properties (composition, ash content, water content, etc.) of the fuel used.
- fuel properties composition, ash content, water content, etc.
- the maintenance schedule is scheduled at an appropriate time before and after the guaranteeable operation time elapses from the start of fuel use. As a day, it becomes possible to plan. Accordingly, it is possible to prevent the operation stop period of the boiler plant 92 from being increased by performing maintenance that is too early.
- the maintenance plan M for the boiler plant 92 is determined based on the fuel procurement plan P including information on the fuel used.
- woody biomass fuels differ in the amount of ash in the fuel depending on the type of bark, sawdust, waste wood, and the like. Even in the case of coal, there is a difference in the amount and adhesion of ash depending on the type of low-grade coal and high-grade coal.
- the tolerance to a fault changes with the specifications of the apparatus which comprises the boiler plant 92.
- FIG. Therefore, an appropriate maintenance plan M can be determined by taking into account the specifications (equipment information B) of the boiler plant 92, the operation plan D, and the type of fuel to be used.
- the plant operation support apparatus 1 described above acquires an operation data result Rd obtained by executing the operation of the boiler plant 92 according to the fuel procurement plan P.
- An operation data record acquisition unit 62 and a maintenance plan correction determination unit 63 that determines correction of the maintenance plan M based on the operation data record Rd may be further provided.
- the operation data performance Rd is various information that may affect the maintenance plan M. For example, information such as various state quantities acquired through measurement or the like and the presence or absence of trouble may be included in order to confirm the operation status during operation of the boiler plant 92. Examples of such state quantities include fuel usage and ash generation, utility usage such as chemicals and industrial water, pressure in pipes measured by a permanent monitor (sensor), and flow rate.
- the transition is such that the pressure increases. In this case, it is expected that clogging (clogging) of the piping is progressing. Further, in the same situation as described above, when the transition is such that the pressure becomes low, it is predicted that the pipe is thinned (weared). In this way, by monitoring the measurement value of the monitoring meter, it is possible to monitor the surplus pipe status.
- the initial maintenance plan M that has already been determined is appropriate by, for example, estimating the damage situation that occurs as the operating time elapses, such as the surplus pipe situation, and predicting the service life. It is determined whether or not. If it is determined that the maintenance plan M is not appropriate, the maintenance plan M can be updated to a more appropriate one by advancing the next scheduled maintenance date or postponing it.
- the fuel usage record Rf and the operation data record Rd may be obtained by the plant operation support apparatus 1 automatically and continuously from the plant operator 9 via a network.
- the correction of the maintenance plan M is determined based on the operation data result Rd obtained by the operation of the boiler plant 92. In this way, by determining the correction of the maintenance plan M at that time from the operation results, the maintenance plan M can be updated to one suitable for the type of fuel used.
- FIG. 8 is a diagram showing a plant operation support method according to an embodiment of the present invention.
- the plant operation support method is a method for determining a fuel procurement plan P that is a plan related to the procurement of a plurality of types of fuel used in the boiler plant 92.
- the plant operation support method includes a plant operation plan acquisition step (S11), a candidate fuel information acquisition step (S12), a component device information acquisition step (S13), and a fuel procurement plan determination step (S2). And).
- This plant operation support method may be executed by the above-described plant operation support apparatus 1 or may be executed manually. The plant operation support method will be described in the order of steps in FIG.
- the device information holding step is executed in step S0 of FIG.
- the device information holding step (S0) is a step of storing the device information B of the devices constituting the boiler plant 92 in the device information holding unit 2 that is a database, for example.
- the device information B is centrally managed in a database or the like by executing this step (S0), thereby facilitating acquisition (reference) of the device information B.
- a plant operation plan acquisition step (S11) is executed in step S11
- a candidate fuel information acquisition step (S12) is executed in step S12
- a component device information acquisition step (S13) is executed in step S13.
- the plant operation plan acquisition step (S11) is a step of acquiring the operation plan D of the boiler plant 92 described above.
- the candidate fuel information acquisition step (S12) is a step of acquiring the candidate fuel information F described above.
- the component device information acquisition step (S13) is a step of acquiring device information of at least one device constituting the boiler plant 92 from the device information holding unit 2 or the like.
- a fuel procurement plan determination step is executed.
- the fuel procurement plan determination step (S2) includes a plurality of types of fuel supplied from each of the plurality of fuel suppliers 8 based on the candidate fuel information F, the operation plan D, and at least one device information B acquired in step S1. This is a step of determining a fuel procurement plan P capable of realizing the operation plan D by determining the procurement amount of each fuel for each predetermined period. Since the fuel procurement plan determination step (S2) is the same as the processing content executed by the fuel procurement plan determination unit 4 already described, the details are omitted.
- the plant operation support method is based on the equipment information B, the operation plan D, and the fuel procurement plan P, and the maintenance plan M of the boiler plant 92.
- a maintenance plan determination step for determining may be further provided. Since the maintenance plan determination step is the same as the processing content executed by the maintenance plan determination unit 61 already described, the details are omitted. In the embodiment shown in FIG. 8, the maintenance plan determination step is executed in step S3, but may be executed prior to the fuel procurement plan determination step (S2).
- an appropriate maintenance plan M can be determined by considering the specifications of the boiler plant 92 (equipment information B), the operation plan D, and the type of fuel to be used.
- the plant operation support method is a fuel that transmits at least part of the information on the fuel procurement plan P to at least one of the plurality of fuel suppliers 8.
- a procurement plan feedback step may be further provided. Since the fuel procurement plan feedback step is the same as the processing contents executed by the fuel procurement plan feedback unit 51 described above, the details are omitted. In the embodiment shown in FIG. 8, a fuel procurement plan feedback step is executed in step S4.
- the fuel procurement plan P is fed back to the fuel supplier 8 so that each fuel supplier 8 makes adjustments such as an increase in the production of fuel with a demanded fuel type or a reduction in production of a fuel type with no demand.
- the fuel production and inventory of the fuel supplier 8 can be optimized.
- the plant operation support method includes a fuel usage record acquisition step for acquiring the above-described fuel use record Rf, and at least one of the fuel use record Rf.
- the fuel use record acquisition step and the fuel use record feedback are the same as the processing contents executed by the fuel use record acquisition unit 52 and the fuel use record feedback unit 53 described above, and the details are omitted.
- the fuel usage record acquisition step and the fuel usage record feedback step are executed in step S5, but any stage (step) is provided after the fuel procurement plan determination step (S2). You can go there.
- the candidate fuel information acquisition step (S12) described above may acquire the candidate fuel information F corrected by the fuel supplier 8 based on the fuel usage record Rf. Accordingly, the loop as shown in FIG. 2 ((2) to (5) in FIG. 2) is repeated once or more, and based on the more accurate candidate fuel information F reflecting the fuel usage record Rf, A more accurate fuel procurement plan P can be determined.
- the fuel usage record Rf is fed back to the fuel supplier 8 that provided the fuel, so that the fuel supplier 8 adjusts the production by adjusting the production and the inventory by increasing or decreasing the required fuel.
- the fuel production of the supplier 8 can be optimized, and the plant operator 9 can be reliably and stably supplied with fuel.
- the plant operation support method is based on the operation data results acquisition step for acquiring the operation data results Rd described above and the operation data results Rd.
- a maintenance plan correction determination step for determining correction of the maintenance plan M may be further included. Since the operation data record acquisition step and the maintenance plan correction determination step are the same as the processing contents executed by the operation data record acquisition unit 62 and the maintenance plan correction determination unit 63 already described, the details are omitted. In the embodiment shown in FIG. 8, the operation data record acquisition step and the maintenance plan correction determination step are executed in step S6, but at any stage (step) as long as it is after the maintenance plan determination step (S3). You can go.
- the maintenance plan M can be updated to one suitable for the type of fuel using the maintenance plan M by determining the correction of the maintenance plan M based on the operation results.
- the present invention is not limited to the above-described embodiments, and includes forms obtained by modifying the above-described embodiments and forms obtained by appropriately combining these forms.
Abstract
Description
燃料燃焼プラントで用いる複数種類の燃料の調達に関する計画である燃料調達計画を決定するプラント運転支援装置であって、
前記燃料燃焼プラントを構成する機器に関する機器情報を記憶する機器情報保持部と、
プラント運転者によって運転される前記燃料燃焼プラントの運転に関する計画である運転計画を取得するプラント運転計画取得部と、
複数の燃料サプライヤから提供される前記複数種類の燃料の各々の燃料特性、提供可能量または燃料コストの少なくとも1つの情報を含む候補燃料情報を取得する候補燃料情報取得部と、
前記燃料燃焼プラントを構成する少なくとも1台の前記機器の前記機器情報を前記機器情報保持部から取得する構成機器情報取得部と、
前記候補燃料情報、前記運転計画、及び前記少なくとも1台の機器の前記機器情報に基づいて、前記複数の燃料サプライヤの各々から供給される前記複数種類の燃料の各々の所定期間ごとの調達量を決定することにより、前記運転計画を実現可能な前記燃料調達計画を決定する燃料調達計画決定部と、を備える。 (1) A plant operation support apparatus according to at least one embodiment of the present invention includes:
A plant operation support device for determining a fuel procurement plan, which is a plan for procurement of a plurality of types of fuel used in a fuel combustion plant,
A device information holding unit for storing device information related to the devices constituting the fuel combustion plant;
A plant operation plan acquisition unit for acquiring an operation plan which is a plan related to the operation of the fuel combustion plant operated by a plant operator;
A candidate fuel information acquisition unit that acquires candidate fuel information including information on at least one of the fuel characteristics, the available amount, or the fuel cost of each of the plurality of types of fuel provided from a plurality of fuel suppliers;
A component device information acquisition unit that acquires the device information of at least one of the devices constituting the fuel combustion plant from the device information holding unit;
Based on the candidate fuel information, the operation plan, and the device information of the at least one device, the procurement amount of each of the plurality of types of fuel supplied from each of the plurality of fuel suppliers is determined for each predetermined period. A fuel procurement plan determination unit that determines the fuel procurement plan that can realize the operation plan by determining.
前記燃料調達計画の少なくとも一部の情報を前記複数の燃料サプライヤの少なくとも一つに送信する燃料調達計画フィードバック部を、さらに備える。
上記(2)の構成によれば、燃料サプライヤに燃料調達計画がフィードバックされることにより、各燃料サプライヤは、需要のある燃料種類の燃料の増産や、需要のない燃料種類の減産などの調整を行うことができ、燃料サプライヤの燃料生産、在庫の最適化を図ることができる。 (2) In some embodiments, in the configuration of (1) above,
A fuel procurement plan feedback unit that transmits at least a part of the information on the fuel procurement plan to at least one of the plurality of fuel suppliers.
According to the configuration of (2) above, each fuel supplier makes adjustments such as an increase in production of fuel with a demanded fuel type or a reduction in production of fuel types without a demand by feeding back the fuel procurement plan to the fuel supplier. It is possible to optimize the fuel production and inventory of the fuel supplier.
前記燃料調達計画フィードバック部は、前記複数の燃料サプライヤから提供される前記複数種類の燃料の各々の前記提供可能量の調整が可能であるか否かを示す調整可否情報を取得すると共に、前記調整可否情報に基づいて、前記燃料調達計画の少なくとも一部を送信する送信先の前記燃料サプライヤを決定する。 (3) In some embodiments, in the configuration of (2) above,
The fuel procurement plan feedback unit acquires adjustment availability information indicating whether or not the available amount of each of the plurality of types of fuel provided from the plurality of fuel suppliers can be adjusted, and the adjustment Based on the availability information, the destination fuel supplier that transmits at least a part of the fuel procurement plan is determined.
よって、上記(3)の構成によれば、燃料量の調整が可能な燃料サプライヤのみに燃料調達計画をフィードバックすることにより、必要以上の情報拡散を防止できる。また、燃料サプライヤに対して、燃料の増産、減産などを促すことができ、プラント運転者やEPC事業者側の調達コストの低減や、燃料サプライヤ側のコストの低減を図ることができる。 The fuel procurement plan is based on the operation plan of the plant and can be said to be management information, that is, highly confidential information for the plant operator.
Therefore, according to the configuration of the above (3), it is possible to prevent unnecessary information diffusion by feeding back the fuel procurement plan only to the fuel supplier capable of adjusting the fuel amount. In addition, the fuel supplier can be encouraged to increase or decrease the production of fuel, thereby reducing the procurement cost on the plant operator or EPC business side and the cost on the fuel supplier side.
前記燃料調達計画に従って前記燃料燃焼プラントの運転が実行されることにより得られる燃料使用実績であって、前記複数種類の燃料の少なくとも1つの燃料の燃焼性能または燃料使用量を含む燃料使用実績を取得する燃料使用実績取得部と、
前記燃料使用実績の少なくとも一部の情報を、少なくとも1の前記燃料サプライヤに送信する燃料使用実績フィードバック部と、をさらに備える。 (4) In some embodiments, in the above configurations (1) to (3),
A fuel usage record obtained by operating the fuel combustion plant according to the fuel procurement plan, the fuel usage record including a combustion performance or a fuel usage amount of at least one of the plurality of types of fuels is acquired. A fuel usage record acquisition unit,
A fuel usage record feedback unit that transmits at least a part of the fuel use record information to at least one fuel supplier;
前記候補燃料情報取得部は、前記燃料サプライヤが前記燃料使用実績に基づいて修正した前記候補燃料情報を取得する。
上記(5)の構成によれば、より精度の良い燃料調達計画を決定することができる。 (5) In some embodiments, in the configuration of (4) above,
The candidate fuel information acquisition unit acquires the candidate fuel information corrected by the fuel supplier based on the fuel usage record.
According to the configuration of (5) above, a more accurate fuel procurement plan can be determined.
前記機器情報、前記運転計画、及び前記燃料調達計画に基づいて、前記燃料燃焼プラントのメンテナンス計画を決定するメンテナンス計画決定部を、さらに備える。
上記(6)の構成によれば、使用燃料の情報を含む燃料調達計画に基づいて、燃料燃焼プラントのメンテナンス計画を決定する。例えば、木質バイオマス燃料は、樹皮、おが屑、廃木材などの種類に応じて燃料中の灰分量に違いがある。石炭などにおいても、低品位炭、高品位炭などの種類に応じて、灰の量や付着性に違いがある。また、燃料燃焼プラントを構成する機器の仕様によって障害への耐性が異なる。よって、燃料燃焼プラントの仕様(機器情報)、運転計画、使用燃料の種類を考慮することにより、適切なメンテナンス計画を決定することができる。 (6) In some embodiments, in the above configurations (1) to (5),
The apparatus further includes a maintenance plan determination unit that determines a maintenance plan for the fuel combustion plant based on the device information, the operation plan, and the fuel procurement plan.
According to the configuration of (6) above, the maintenance plan for the fuel combustion plant is determined based on the fuel procurement plan including information on the fuel used. For example, woody biomass fuels differ in the amount of ash in the fuel depending on the type of bark, sawdust, waste wood, and the like. Even in the case of coal, there is a difference in the amount and adhesion of ash depending on the type of low-grade coal and high-grade coal. Moreover, the tolerance to failures differs depending on the specifications of the equipment constituting the fuel combustion plant. Therefore, an appropriate maintenance plan can be determined by considering the specifications (equipment information) of the fuel combustion plant, the operation plan, and the type of fuel used.
前記燃料調達計画に従って前記燃料燃焼プラントの運転が実行されることにより得られる運転データ実績を取得する運転データ実績取得部と、
前記運転データ実績に基づいて、前記メンテナンス計画の修正を判定するメンテナンス計画修正判定部と、をさらに備える。
上記(7)の構成によれば、燃料燃焼プラントの運転により得られる運転データ実績に基づいて、メンテナンス計画の修正を判定する。このように運転実績からその時点のメンテナンス計画の修正を判定することにより、メンテナンス計画を使用する燃料の種類に適したものに更新していくことができる。 (7) In some embodiments, in the configuration of (6) above,
An operation data result acquisition unit for acquiring operation data results obtained by executing the operation of the fuel combustion plant according to the fuel procurement plan;
A maintenance plan correction determination unit for determining correction of the maintenance plan based on the operation data results;
According to the configuration of (7) above, the correction of the maintenance plan is determined based on the operation data results obtained by the operation of the fuel combustion plant. Thus, by determining the correction of the maintenance plan at that time from the operation results, it is possible to update the maintenance plan to one suitable for the type of fuel to be used.
前記燃料調達計画決定部は、前記候補燃料情報および前記機器情報に基づいて、前記候補燃料情報に含まれる複数燃料のうちから前記燃料燃焼プラントで使用可能な燃料を判定すると共に、使用可能と判定された前記燃料の前記候補燃料情報、前記機器情報および前記運転計画に基づいて前記燃料調達計画を算出する。
上記(8)の構成によれば、最適な運転計画をプラント運転者に対して提案することができる。 (8) In some embodiments, in the above configurations (1) to (7),
The fuel procurement plan determination unit determines a usable fuel in the fuel combustion plant from a plurality of fuels included in the candidate fuel information based on the candidate fuel information and the device information, and determines that the fuel is usable. The fuel procurement plan is calculated based on the candidate fuel information, the equipment information, and the operation plan of the fuel that has been used.
According to the configuration of (8) above, an optimal operation plan can be proposed to the plant operator.
前記燃料調達計画決定部は、前記燃料燃焼プラントにおいて過去に使用された過去使用燃料と、前記過去使用燃料を用いて前記燃料燃焼プラントを運転することにより得られる過去運転実績との関係を機械学習することにより作成される学習モデルを用いて、前記候補燃料情報、前記運転計画、及び前記少なくとも1台の機器の前記機器情報から前記燃料調達計画を決定する。
上記(9)の構成によれば、機械学習を通して得られる最適な運転計画をプラント運転者に対して提案することができる。 (9) In some embodiments, in the above configurations (1) to (8),
The fuel procurement plan determination unit performs machine learning on the relationship between past fuel used in the past in the fuel combustion plant and past operation results obtained by operating the fuel combustion plant using the past fuel. The fuel procurement plan is determined from the candidate fuel information, the operation plan, and the device information of the at least one device using the learning model created by doing so.
According to the configuration of (9) above, an optimal operation plan obtained through machine learning can be proposed to the plant operator.
前記候補燃料情報は、前記燃料コストの情報を含む。
上記(10)の構成によれば、候補燃料情報に燃料の燃料コストの情報が含まれることによって、例えば燃料コストが最小となる燃料調達計画を決定するなど、燃料コストを重視した燃料調達計画を決定することができる。 (10) In some embodiments, in the above configurations (1) to (9),
The candidate fuel information includes information on the fuel cost.
According to the configuration of (10) above, when the fuel cost information of the fuel is included in the candidate fuel information, for example, a fuel procurement plan in which the fuel cost is minimized is determined. Can be determined.
前記候補燃料情報は、前記提供可能量の情報を含む。
上記(11)の構成によれば、候補燃料情報に提供可能量の情報が含まれることによって、例えば安定的な燃料調達が可能な燃料調達計画を決定するなど、燃料調達の安定性を重視した燃料調達計画を決定することができる。 (11) In some embodiments, in the above configurations (1) to (10),
The candidate fuel information includes information on the available amount.
According to the configuration of (11) above, the information on the amount that can be provided is included in the candidate fuel information, for example, a fuel procurement plan capable of stable fuel procurement is determined. A fuel procurement plan can be determined.
前記候補燃料情報は、前記燃料特性の情報を含む。
上記(12)の構成によれば、燃料中に含まれる、例えば、Na、K、Clなどの燃焼により生じる灰の付着性を高くする灰形成元素が多い燃料は、メンテナンスコストが増大し易いため、候補燃料情報に含有成分が含まれることによって、例えばメンテナンスコストを最小となる燃料調達計画を決定するなど、メンテナンスコストを重視した燃料調達計画を決定することができる。同様に、灰発生量や、石炭の場合に発生する石膏発生量、灰付着や環境有害物質を抑制する薬品(例として、炉壁に付着したクリンカを脆弱化し剥離しやすくするアルミ系薬剤や、排ガス処理装置や排水処理装置にて使用される薬品が挙げられるが、これらに限るものではない)使用量なども見積もることで、例えばランニングコストを最小となる燃料調達計画を決定するなど、ランニングコストを重視した燃料調達計画を決定することができる。 (12) In some embodiments, in the above configurations (1) to (11),
The candidate fuel information includes information on the fuel characteristics.
According to the configuration of (12), the fuel containing a large amount of ash-forming elements that increase the adhesion of ash produced by combustion of, for example, Na, K, Cl, etc. contained in the fuel is likely to increase maintenance costs. By including the component in the candidate fuel information, it is possible to determine a fuel procurement plan that emphasizes maintenance costs, for example, to determine a fuel procurement plan that minimizes maintenance costs. Similarly, the amount of ash generated, the amount of gypsum generated in the case of coal, chemicals that suppress ash adhesion and environmental harmful substances (for example, aluminum chemicals that weaken clinker adhering to the furnace wall and make it easy to peel off, (For example, chemicals used in exhaust gas treatment equipment and wastewater treatment equipment, but not limited to them.) Estimating the usage amount, etc., for example, determining a fuel procurement plan that minimizes running costs. It is possible to determine a fuel procurement plan that emphasizes
前記複数種類の燃料はバイオマスを含む。 (13) In some embodiments, in the above configurations (1) to (12),
The plurality of types of fuel include biomass.
上記(13)の構成によれば、このような性質のバイオマスを含む複数燃料について、最適な運転計画をプラント運転者に対して提案することができる。 The production amount of biomass such as woody biomass can change depending on the season because the growth of wood as a raw material is affected by weather conditions. Biomass has a large variation in properties compared to fossil fuels.
According to the configuration of (13) above, an optimal operation plan can be proposed to the plant operator for a plurality of fuels including biomass having such properties.
燃料燃焼プラントで用いる複数種類の燃料の調達に関する計画である燃料調達計画を決定するプラント運転支援方法であって、
プラント運転者によって運転される前記燃料燃焼プラントの運転に関する計画である運転計画を取得するプラント運転計画取得ステップと、
複数の燃料サプライヤから提供される前記複数種類の燃料の各々の燃料特性、提供可能量または燃料コストの少なくとも1つの情報を含む候補燃料情報を取得する候補燃料情報取得ステップと、
前記燃料燃焼プラントを構成する少なくとも1台の前記機器の機器情報を取得する構成機器情報取得ステップと、
前記候補燃料情報、前記運転計画、及び前記少なくとも1台の機器の前記機器情報に基づいて、前記複数の燃料サプライヤの各々から供給される前記複数種類の燃料の燃料の各々の所定期間ごとの調達量を決定することにより、前記運転計画を実現可能な前記燃料調達計画を決定する燃料調達計画決定ステップと、を備える。 (14) A plant operation support method according to at least one embodiment of the present invention includes:
A plant operation support method for determining a fuel procurement plan, which is a plan for procurement of a plurality of types of fuel used in a fuel combustion plant,
A plant operation plan acquisition step for acquiring an operation plan which is a plan related to the operation of the fuel combustion plant operated by the plant operator;
A candidate fuel information acquisition step of acquiring candidate fuel information including at least one information of fuel characteristics, available amount or fuel cost of each of the plurality of types of fuel provided from a plurality of fuel suppliers;
A component information acquisition step of acquiring device information of at least one of the devices constituting the fuel combustion plant;
Procurement of each of the plurality of types of fuel supplied from each of the plurality of fuel suppliers based on the candidate fuel information, the operation plan, and the device information of the at least one device. And a fuel procurement plan determination step for determining the fuel procurement plan capable of realizing the operation plan by determining the quantity.
前記燃料調達計画の少なくとも一部の情報を前記複数の燃料サプライヤの少なくとも一つに送信する燃料調達計画フィードバックステップを、さらに備える。
上記(15)の構成によれば、上記(2)と同様の効果を奏する。 (15) In some embodiments, in the configuration of (14) above,
The method further comprises a fuel procurement plan feedback step of transmitting at least a portion of the information on the fuel procurement plan to at least one of the plurality of fuel suppliers.
According to the configuration of the above (15), the same effect as the above (2) can be obtained.
前記燃料調達計画フィードバックステップは、前記複数の燃料サプライヤから提供される前記複数種類の燃料の各々の前記提供可能量の調整が可能であるか否かを示す調整可否情報を取得すると共に、前記調整可否情報に基づいて、前記燃料調達計画の少なくとも一部を送信する送信先の前記燃料サプライヤを決定する。
上記(16)の構成によれば、上記(3)と同様の効果を奏する。 (16) In some embodiments, in the configuration of (15) above,
The fuel procurement plan feedback step acquires adjustment availability information indicating whether or not the available amount of each of the plurality of types of fuel provided from the plurality of fuel suppliers can be adjusted, and the adjustment Based on the availability information, the destination fuel supplier that transmits at least a part of the fuel procurement plan is determined.
According to the configuration of (16), the same effect as (3) can be obtained.
前記燃料調達計画に従って前記燃料燃焼プラントの運転が実行されることにより得られる燃料使用実績であって、前記複数種類の燃料の少なくとも1つの燃料の燃焼性能または燃料使用量を含む燃料使用実績を取得する燃料使用実績取得ステップと、
前記燃料使用実績の少なくとも一部の情報を、前記複数種類の燃料を提供した少なくとも1の前記燃料サプライヤに送信する燃料使用実績フィードバックステップと、をさらに備える。
上記(17)の構成によれば、上記(4)と同様の効果を奏する。 (17) In some embodiments, in the above configurations (14) to (16),
A fuel usage record obtained by operating the fuel combustion plant according to the fuel procurement plan, the fuel usage record including a combustion performance or a fuel usage amount of at least one of the plurality of types of fuels is acquired. Fuel usage record acquisition step,
A fuel usage record feedback step of transmitting at least a part of the fuel use record information to at least one of the fuel suppliers that provided the plurality of types of fuel.
According to the structure of said (17), there exists an effect similar to said (4).
前記候補燃料情報取得ステップは、前記燃料サプライヤが前記燃料使用実績に基づいて修正した前記候補燃料情報を取得する。
上記(18)の構成によれば、上記(5)と同様の効果を奏する。 (18) In some embodiments, in the configuration of (17) above,
The candidate fuel information acquisition step acquires the candidate fuel information corrected by the fuel supplier based on the fuel usage record.
According to the configuration of the above (18), the same effect as the above (5) is obtained.
前記機器情報、前記運転計画、及び前記燃料調達計画に基づいて、前記燃料燃焼プラントのメンテナンス計画を決定するメンテナンス計画決定ステップを、さらに備える。
上記(19)の構成によれば、上記(6)と同様の効果を奏する。 (19) In some embodiments, in the above configurations (14) to (18),
A maintenance plan determining step for determining a maintenance plan for the fuel combustion plant based on the equipment information, the operation plan, and the fuel procurement plan is further provided.
According to the configuration of (19), the same effect as (6) can be obtained.
前記燃料調達計画に従って前記燃料燃焼プラントの運転が実行されることにより得られる運転データ実績を取得する運転データ実績取得ステップと、
前記運転データ実績に基づいて、前記メンテナンス計画の修正を判定するメンテナンス計画修正判定ステップと、をさらに備える。
上記(20)の構成によれば、上記(7)と同様の効果を奏する。 (20) In some embodiments, in the configuration of (19) above,
An operation data results obtaining step for obtaining operation data results obtained by executing the operation of the fuel combustion plant according to the fuel procurement plan;
A maintenance plan correction determination step for determining correction of the maintenance plan based on the operation data results;
According to the configuration of (20), the same effect as in (7) can be obtained.
前記燃料調達計画決定ステップは、前記候補燃料情報および前記機器情報に基づいて、前記候補燃料情報に含まれる複数燃料のうちから前記燃料燃焼プラントで使用可能な燃料を判定すると共に、使用可能と判定された前記燃料の前記候補燃料情報、前記機器情報および前記運転計画に基づいて前記燃料調達計画を算出する。
上記(21)の構成によれば、上記(8)と同様の効果を奏する。 (21) In some embodiments, in the above configurations (14) to (20),
The fuel procurement plan determination step determines a fuel that can be used in the fuel combustion plant from a plurality of fuels included in the candidate fuel information based on the candidate fuel information and the device information, and determines that the fuel can be used. The fuel procurement plan is calculated based on the candidate fuel information, the equipment information, and the operation plan of the fuel that has been used.
According to the configuration of (21), the same effect as in (8) can be obtained.
前記燃料調達計画決定ステップは、前記燃料燃焼プラントにおいて過去に使用された過去使用燃料と、前記過去使用燃料を用いて前記燃料燃焼プラントを運転することにより得られる過去運転実績との関係を機械学習することにより作成される学習モデルを用いて、前記候補燃料情報、前記運転計画、及び前記少なくとも1台の機器の前記機器情報から前記燃料調達計画を決定する。
上記(22)の構成によれば、上記(9)と同様の効果を奏する。 (22) In some embodiments, in the above configurations (14) to (21),
The fuel procurement plan determination step is a machine learning of a relationship between a past use fuel used in the past in the fuel combustion plant and a past operation result obtained by operating the fuel combustion plant using the past use fuel. The fuel procurement plan is determined from the candidate fuel information, the operation plan, and the device information of the at least one device using the learning model created by doing so.
According to the configuration of (22), the same effect as (9) is achieved.
前記候補燃料情報は、前記燃料コストの情報を含む。
上記(23)の構成によれば、上記(10)と同様の効果を奏する。 (23) In some embodiments, in the above configurations (14) to (22),
The candidate fuel information includes information on the fuel cost.
According to the configuration of the above (23), the same effect as the above (10) can be obtained.
前記候補燃料情報は、前記提供可能量の情報を含む。
上記(24)の構成によれば、上記(11)と同様の効果を奏する。 (24) In some embodiments, in the above configurations (14) to (23),
The candidate fuel information includes information on the available amount.
According to the configuration of (24), the same effect as (11) can be obtained.
前記候補燃料情報は、前記燃料特性の情報を含む。
上記(25)の構成によれば、上記(12)と同様の効果を奏する。 (25) In some embodiments, in the above configurations (14) to (24),
The candidate fuel information includes information on the fuel characteristics.
According to the configuration of (25), the same effect as (12) is achieved.
前記複数種類の燃料はバイオマスを含む。
上記(26)の構成によれば、上記(13)と同様の効果を奏する。 (26) In some embodiments, in the above configurations (14) to (25),
The plurality of types of fuel include biomass.
According to the configuration of (26), the same effect as (13) can be obtained.
例えば、「ある方向に」、「ある方向に沿って」、「平行」、「直交」、「中心」、「同心」或いは「同軸」等の相対的或いは絶対的な配置を表す表現は、厳密にそのような配置を表すのみならず、公差、若しくは、同じ機能が得られる程度の角度や距離をもって相対的に変位している状態も表すものとする。
例えば、「同一」、「等しい」及び「均質」等の物事が等しい状態であることを表す表現は、厳密に等しい状態を表すのみならず、公差、若しくは、同じ機能が得られる程度の差が存在している状態も表すものとする。
例えば、四角形状や円筒形状等の形状を表す表現は、幾何学的に厳密な意味での四角形状や円筒形状等の形状を表すのみならず、同じ効果が得られる範囲で、凹凸部や面取り部等を含む形状も表すものとする。
一方、一の構成要素を「備える」、「具える」、「具備する」、「含む」、又は、「有する」という表現は、他の構成要素の存在を除外する排他的な表現ではない。 Hereinafter, some embodiments of the present invention will be described with reference to the accompanying drawings. However, the dimensions, materials, shapes, relative arrangements, etc. of the components described in the embodiments or shown in the drawings are not intended to limit the scope of the present invention, but are merely illustrative examples. Absent.
For example, expressions expressing relative or absolute arrangements such as “in a certain direction”, “along a certain direction”, “parallel”, “orthogonal”, “center”, “concentric” or “coaxial” are strictly In addition to such an arrangement, it is also possible to represent a state of relative displacement with an angle or a distance such that tolerance or the same function can be obtained.
For example, an expression indicating that things such as “identical”, “equal”, and “homogeneous” are in an equal state not only represents an exactly equal state, but also has a tolerance or a difference that can provide the same function. It also represents the existing state.
For example, expressions representing shapes such as quadrangular shapes and cylindrical shapes represent not only geometrically strict shapes such as quadrangular shapes and cylindrical shapes, but also irregularities and chamfers as long as the same effects can be obtained. A shape including a part or the like is also expressed.
On the other hand, the expressions “comprising”, “comprising”, “comprising”, “including”, or “having” one constituent element are not exclusive expressions for excluding the existence of the other constituent elements.
同様に、上記の過去運転実績に基づいて、過去使用燃料と、灰発生量と、灰処理費用との関係を機械学習し、候補燃料情報F、運転計画D、及び機器情報Bから最も灰処理費用の低い燃料構成を導出する学習モデル71を作成して用いることにより、副生成物処理コストを重視して燃料種類が選択(決定)された燃料調達計画Pを決定しても良い。 For example, based on the past operation results provided from the
Similarly, based on the past operation results, machine learning is performed on the relationship between the past used fuel, the amount of generated ash, and the ash processing cost, and the ash processing is most performed from the candidate fuel information F, the operation plan D, and the equipment information B. By creating and using the learning model 71 for deriving a low-cost fuel configuration, the fuel procurement plan P in which the fuel type is selected (determined) with an emphasis on the by-product processing cost may be determined.
同様に、上記の過去運転実績に基づいて、過去使用燃料と、トラブル発生実績と、それに紐づくプラント停止期間との関係を機械学習し、候補燃料情報F、運転計画D、及び機器情報Bから、最もトラブルの少ない燃料構成を導出(出力)する学習モデル71を作成して用いることにより、トラブルの発生が少ないことを重視して燃料種類が選択(決定)された燃料調達計画Pを決定しても良い。そして、例えばこれらの安定運転およびトラブルの発生が少ないことの2つの項目から、最も安定運転が可能であることを重視して燃料種類が選択(決定)された燃料調達計画Pを決定しても良い。その後、決定した燃料構成をどの燃料サプライヤ8から調達するかを、上述したような燃料コストや燃料の安定調達などの点を考慮して決定する。 On the other hand, based on the past operation results, learning the relationship between past used fuel and operation results, and learning to derive the most stable fuel configuration from candidate fuel information F, operation plan D, and equipment information B By creating and using the model 71, the fuel procurement plan P in which the fuel type is selected (determined) with an emphasis on stable operation may be determined.
Similarly, based on the above past operation results, machine learning is performed on the relationship between the past used fuel, the trouble occurrence result, and the plant stop period associated therewith, from the candidate fuel information F, the operation plan D, and the device information B By creating and using the learning model 71 that derives (outputs) the fuel configuration with the least trouble, the fuel procurement plan P in which the fuel type is selected (determined) is determined with emphasis on the occurrence of trouble. May be. For example, even if the fuel procurement plan P in which the fuel type is selected (determined) is determined with emphasis on the fact that the stable operation is possible from the two items of the stable operation and the occurrence of troubles. good. Thereafter, the
幾つかの実施形態では、図3に示すように、上述したプラント運転支援装置1は、機器情報B、運転計画D、及び燃料調達計画Pに基づいて、ボイラプラント92のメンテナンス計画Mを決定するメンテナンス計画決定部61を、さらに備えても良い。メンテナンス計画Mは、燃料調達計画Pに定められた燃料を使用した場合のメンテナンスを行う予定時期など(メンテナンス予定日)を定めたものである。 Next, some embodiments relating to the maintenance plan M will be described.
In some embodiments, as illustrated in FIG. 3, the plant
なお、燃料使用実績Rfや運転データ実績Rdは、ネットワークを介し、プラント運転支援装置1がプラント運転者9から自動で継続的に取得する形としても良い。 If information such as periodic inspections and repairs performed by the
The fuel usage record Rf and the operation data record Rd may be obtained by the plant
図8のステップ順にプラント運転支援方法を説明する。 The plant operation support method is a method for determining a fuel procurement plan P that is a plan related to the procurement of a plurality of types of fuel used in the
The plant operation support method will be described in the order of steps in FIG.
2 機器情報保持部
31 プラント運転計画取得部
32 候補燃料情報取得部
33 構成機器情報取得部
4 燃料調達計画決定部
51 燃料調達計画フィードバック部
52 燃料使用実績取得部
53 燃料使用実績フィードバック部
61 メンテナンス計画決定部
62 運転データ実績取得部
63 メンテナンス計画修正判定部
7 過去DB
71 学習モデル
8 燃料サプライヤ
9 プラント運転者
92 ボイラプラント
B 機器情報
D 運転計画
F 候補燃料情報
Fc 燃料コスト
Fp 燃料特性
Fq 提供可能量
P 燃料調達計画
M メンテナンス計画
Rd 運転データ実績
Rf 燃料使用実績
S 調整可能範囲 DESCRIPTION OF
71
Claims (14)
- 燃料燃焼プラントで用いる複数種類の燃料の調達に関する計画である燃料調達計画を決定するプラント運転支援装置であって、
前記燃料燃焼プラントを構成する機器に関する機器情報を記憶する機器情報保持部と、
プラント運転者によって運転される前記燃料燃焼プラントの運転に関する計画である運転計画を取得するプラント運転計画取得部と、
複数の燃料サプライヤから提供される前記複数種類の燃料の各々の燃料特性、提供可能量または燃料コストの少なくとも1つの情報を含む候補燃料情報を取得する候補燃料情報取得部と、
前記燃料燃焼プラントを構成する少なくとも1台の前記機器の前記機器情報を前記機器情報保持部から取得する構成機器情報取得部と、
前記候補燃料情報、前記運転計画、及び前記少なくとも1台の機器の前記機器情報に基づいて、前記複数の燃料サプライヤの各々から供給される前記複数種類の燃料の各々の所定期間ごとの調達量を決定することにより、前記運転計画を実現可能な前記燃料調達計画を決定する燃料調達計画決定部と、を備えることを特徴とするプラント運転支援装置。 A plant operation support device for determining a fuel procurement plan, which is a plan for procurement of a plurality of types of fuel used in a fuel combustion plant,
A device information holding unit for storing device information related to the devices constituting the fuel combustion plant;
A plant operation plan acquisition unit for acquiring an operation plan which is a plan related to the operation of the fuel combustion plant operated by a plant operator;
A candidate fuel information acquisition unit that acquires candidate fuel information including information on at least one of the fuel characteristics, the available amount, or the fuel cost of each of the plurality of types of fuel provided from a plurality of fuel suppliers;
A component device information acquisition unit that acquires the device information of at least one of the devices constituting the fuel combustion plant from the device information holding unit;
Based on the candidate fuel information, the operation plan, and the device information of the at least one device, the procurement amount of each of the plurality of types of fuel supplied from each of the plurality of fuel suppliers is determined for each predetermined period. A plant operation support apparatus comprising: a fuel procurement plan determination unit that determines the fuel procurement plan capable of realizing the operation plan by determining. - 前記燃料調達計画の少なくとも一部の情報を前記複数の燃料サプライヤの少なくとも一つに送信する燃料調達計画フィードバック部を、さらに備えることを特徴とする請求項1に記載のプラント運転支援装置。 The plant operation support apparatus according to claim 1, further comprising a fuel procurement plan feedback unit that transmits at least part of the information on the fuel procurement plan to at least one of the plurality of fuel suppliers.
- 前記燃料調達計画フィードバック部は、前記複数の燃料サプライヤから提供される前記複数種類の燃料の各々の前記提供可能量の調整が可能であるか否かを示す調整可否情報を取得すると共に、前記調整可否情報に基づいて、前記燃料調達計画の少なくとも一部を送信する送信先の前記燃料サプライヤを決定することを特徴とする請求項2に記載のプラント運転支援装置。 The fuel procurement plan feedback unit acquires adjustment availability information indicating whether or not the available amount of each of the plurality of types of fuel provided from the plurality of fuel suppliers can be adjusted, and the adjustment The plant operation support apparatus according to claim 2, wherein the fuel supplier as a transmission destination that transmits at least a part of the fuel procurement plan is determined based on availability information.
- 前記燃料調達計画に従って前記燃料燃焼プラントの運転が実行されることにより得られる燃料使用実績であって、前記複数種類の燃料の少なくとも1つの燃料の燃焼性能または燃料使用量を含む燃料使用実績を取得する燃料使用実績取得部と、
前記燃料使用実績の少なくとも一部の情報を、少なくとも1の前記燃料サプライヤに送信する燃料使用実績フィードバック部と、をさらに備えることを特徴とする請求項1~3のいずれか1項に記載のプラント運転支援装置。 A fuel usage record obtained by operating the fuel combustion plant according to the fuel procurement plan, the fuel usage record including a combustion performance or a fuel usage amount of at least one of the plurality of types of fuels is acquired. A fuel usage record acquisition unit,
The plant according to any one of claims 1 to 3, further comprising: a fuel usage record feedback unit that transmits at least a part of the fuel use record information to at least one of the fuel suppliers. Driving assistance device. - 前記候補燃料情報取得部は、前記燃料サプライヤが前記燃料使用実績に基づいて修正した前記候補燃料情報を取得することを特徴とする請求項4に記載のプラント運転支援装置。 5. The plant operation support apparatus according to claim 4, wherein the candidate fuel information acquisition unit acquires the candidate fuel information corrected by the fuel supplier based on the fuel usage record.
- 前記機器情報、前記運転計画、及び前記燃料調達計画に基づいて、前記燃料燃焼プラントのメンテナンス計画を決定するメンテナンス計画決定部を、さらに備えることを特徴とする請求項1~5のいずれか1項に記載のプラント運転支援装置。 6. The maintenance plan determination unit according to claim 1, further comprising a maintenance plan determination unit that determines a maintenance plan of the fuel combustion plant based on the equipment information, the operation plan, and the fuel procurement plan. The plant operation support apparatus according to 1.
- 前記燃料調達計画に従って前記燃料燃焼プラントの運転が実行されることにより得られる運転データ実績を取得する運転データ実績取得部と、
前記運転データ実績に基づいて、前記メンテナンス計画の修正を判定するメンテナンス計画修正判定部と、をさらに備えることを特徴とする請求項6に記載のプラント運転支援装置。 An operation data result acquisition unit for acquiring operation data results obtained by executing the operation of the fuel combustion plant according to the fuel procurement plan;
The plant operation support apparatus according to claim 6, further comprising a maintenance plan correction determination unit that determines correction of the maintenance plan based on the operation data result. - 前記燃料調達計画決定部は、前記候補燃料情報および前記機器情報に基づいて、前記候補燃料情報に含まれる複数燃料のうちから前記燃料燃焼プラントで使用可能な燃料を判定すると共に、使用可能と判定された前記燃料の前記候補燃料情報、前記機器情報および前記運転計画に基づいて前記燃料調達計画を算出することを特徴とする請求項1~7のいずれか1項に記載のプラント運転支援装置。 The fuel procurement plan determination unit determines a usable fuel in the fuel combustion plant from a plurality of fuels included in the candidate fuel information based on the candidate fuel information and the device information, and determines that the fuel is usable. The plant operation support apparatus according to any one of claims 1 to 7, wherein the fuel procurement plan is calculated based on the candidate fuel information, the device information, and the operation plan for the fuel that has been used.
- 前記燃料調達計画決定部は、前記燃料燃焼プラントにおいて過去に使用された過去使用燃料と、前記過去使用燃料を用いて前記燃料燃焼プラントを運転することにより得られる過去運転実績との関係を機械学習することにより作成される学習モデルを用いて、前記候補燃料情報、前記運転計画、及び前記少なくとも1台の機器の前記機器情報から前記燃料調達計画を決定することを特徴とする請求項1~8のいずれか1項に記載のプラント運転支援装置。 The fuel procurement plan determination unit performs machine learning on the relationship between past fuel used in the past in the fuel combustion plant and past operation results obtained by operating the fuel combustion plant using the past fuel. 9. The fuel procurement plan is determined from the candidate fuel information, the operation plan, and the device information of the at least one device, using a learning model created by doing so. The plant operation assistance device according to any one of the above.
- 前記候補燃料情報は、前記燃料コストの情報を含むことを特徴とする請求項1~9のいずれか1項に記載のプラント運転支援装置。 The plant operation support apparatus according to any one of claims 1 to 9, wherein the candidate fuel information includes information on the fuel cost.
- 前記候補燃料情報は、前記提供可能量の情報を含むことを特徴とする請求項1~10のいずれか1項に記載のプラント運転支援装置。 The plant operation support apparatus according to any one of claims 1 to 10, wherein the candidate fuel information includes information on the available amount.
- 前記候補燃料情報は、前記燃料特性の情報を含むことを特徴とする請求項1~11のいずれか1項に記載のプラント運転支援装置。 The plant operation support apparatus according to any one of claims 1 to 11, wherein the candidate fuel information includes information on the fuel characteristics.
- 前記複数種類の燃料はバイオマスを含むことを特徴とする請求項1~12のいずれか1項に記載のプラント運転支援装置。 The plant operation support apparatus according to any one of claims 1 to 12, wherein the plurality of types of fuel include biomass.
- 燃料燃焼プラントで用いる複数種類の燃料の調達に関する計画である燃料調達計画を決定するプラント運転支援方法であって、
プラント運転者によって運転される前記燃料燃焼プラントの運転に関する計画である運転計画を取得するプラント運転計画取得ステップと、
複数の燃料サプライヤから提供される前記複数種類の燃料の各々の燃料特性、提供可能量または燃料コストの少なくとも1つの情報を含む候補燃料情報を取得する候補燃料情報取得ステップと、
前記燃料燃焼プラントを構成する少なくとも1台の前記機器の機器情報を取得する構成機器情報取得ステップと、
前記候補燃料情報、前記運転計画、及び前記少なくとも1台の機器の前記機器情報に基づいて、前記複数の燃料サプライヤの各々から供給される前記複数種類の燃料の各々の所定期間ごとの調達量を決定することにより、前記運転計画を実現可能な前記燃料調達計画を決定する燃料調達計画決定ステップと、を備えることを特徴とするプラント運転支援方法。 A plant operation support method for determining a fuel procurement plan, which is a plan for procurement of a plurality of types of fuel used in a fuel combustion plant,
A plant operation plan acquisition step for acquiring an operation plan which is a plan related to the operation of the fuel combustion plant operated by the plant operator;
A candidate fuel information acquisition step of acquiring candidate fuel information including at least one information of fuel characteristics, available amount or fuel cost of each of the plurality of types of fuel provided from a plurality of fuel suppliers;
A component information acquisition step of acquiring device information of at least one of the devices constituting the fuel combustion plant;
Based on the candidate fuel information, the operation plan, and the device information of the at least one device, the procurement amount of each of the plurality of types of fuel supplied from each of the plurality of fuel suppliers is determined for each predetermined period. And a fuel procurement plan determination step for determining the fuel procurement plan capable of realizing the operation plan by determining.
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