Biomass blending combustion thermal power generation carbon footprint accounting method, device and equipment

Through systematic methods, the carbon footprints of thermal power generation and biomass are obtained and calculated at each stage, which solves the problem of failure to accurately calculate the carbon footprint in the existing technology, realizes the prediction and monitoring of carbon emissions in thermal power plants, and optimizes carbon emission management.

CN120198133APending Publication Date: 2025-06-24HUANENG ZHAOCAI DIGITAL TECHNOLOGY CO LTD +2
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Patent Information

Application Number
CN202510267324.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-03-07
Publication Date
2025-06-24

AI Technical Summary

Technical Problem

The prior art has failed to systematically accurately calculate the carbon footprints in the process of thermal power generation and biomass.

Method used

A carbon footprint accounting method for thermal power generation mixed with biomass is proposed, including obtaining biomass mass, determining the carbon footprint accounting boundary, obtaining carbon footprint related data for each stage, and accounting based on these data, obtaining carbon footprint data for each stage, and finally generating carbon emission reduction measures.

Benefits of technology

Accurate accounting of the carbon footprint of each stage of thermal power generation biomass is achieved, and carbon emission reduction measures are provided to predict and monitor carbon emissions of thermal power plants and optimize carbon emission management.

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Abstract

The invention provides a thermal power generation carbon footprint accounting method, device and equipment for blended combustion of biomass, and the method comprises the steps: obtaining the biomass mass of the blended combustion biomass; determining a carbon footprint accounting boundary of thermal power generation of blending combustion biomass; wherein the carbon footprint accounting boundary comprises at least one of the following stages: a biomass production stage; a transportation stage; a blending combustion stage; a waste treatment stage; obtaining carbon footprint related data corresponding to each stage in the carbon footprint accounting boundary; and based on the mass of the blended combustion biomass and the carbon footprint related data corresponding to each stage, carrying out accounting to obtain carbon footprint data corresponding to each stage. According to the technical scheme of the invention, the method can achieve the prediction and monitoring of the carbon emission of a thermal power plant which carries out the blending combustion of biomass, and optimizes the carbon emission management.
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Description

Technical Field

[0001] The present application relates to the technical field of carbon footprint accounting, and in particular, to a method, device, and equipment for carbon footprint accounting of thermal power generation with biomass co-firing. Background Art

[0002] Thermal power generation is one of the main ways of power production, but its high carbon emission characteristics have a greater impact on the environment. Biomass co-firing is an effective means to reduce carbon emissions.

[0003] In the related art, there is no technical means that can systematically and accurately account for the carbon footprint in the process of biomass co-firing in thermal power generation. Summary of the Invention

[0004] The present application aims to solve at least one of the technical problems in the related art to some extent.

[0005] In a first aspect, the present application proposes a method for carbon footprint accounting of thermal power generation with biomass co-firing, the method comprising: obtaining the biomass mass of the biomass co-firing; determining the carbon footprint accounting boundary of the thermal power generation with biomass co-firing; wherein, the carbon footprint accounting boundary includes at least one of the following stages: biomass production stage; transportation stage; co-firing stage; waste treatment stage; obtaining carbon footprint-related data corresponding to each stage within the carbon footprint accounting boundary; calculating based on the biomass mass of the biomass co-firing and the carbon footprint-related data corresponding to each stage to obtain carbon footprint data corresponding to each stage; generating carbon emission reduction measures based on the carbon footprint data.

[0006] In one implementation, the stage is the biomass production stage, and the carbon footprint-related data includes energy consumption data and carbon footprint data of the biomass production stage.

[0007] In one implementation, the stage is the transportation stage, and the carbon footprint-related data includes the energy consumption of the transportation means used in the transportation stage and the transportation distance of the transportation means.

[0008] In one implementation, the stage is the co-firing stage, and the carbon footprint-related data includes co-firing ratio, combustion efficiency, and fossil fuel substitution amount.

[0009] In one implementation, the stage is the waste treatment stage, and the carbon footprint-related data includes waste treatment method and waste treatment equipment energy consumption.

[0010] In one implementation, the method further comprises: generating corresponding carbon emission reduction measures based on the carbon footprint data.

[0011] Second aspect, the present application proposes a carbon footprint accounting device for thermal power generation with co-firing of biomass, the device comprising: a first acquisition module for acquiring the biomass mass of the co-fired biomass; a first processing module for determining the carbon footprint accounting boundary of the thermal power generation with co-firing of biomass; wherein, the carbon footprint accounting boundary includes at least one of the following stages: biomass production stage; transportation stage; co-firing stage; waste treatment stage; a second acquisition module for acquiring carbon footprint-related data corresponding to each stage within the carbon footprint accounting boundary; a second processing module for performing accounting based on the mass of the co-fired biomass and the carbon footprint-related data corresponding to each stage to obtain the carbon footprint data corresponding to each stage.

[0012] In one implementation, the stage is the biomass production stage, and the carbon footprint-related data includes the energy consumption data and carbon footprint data of the biomass production stage.

[0013] In one implementation, the stage is the transportation stage, and the carbon footprint-related data includes the energy consumption of the transportation means used in the transportation stage and the transportation distance of the transportation means.

[0014] In one implementation, the stage is the co-firing stage, and the carbon footprint-related data includes the co-firing ratio, combustion efficiency and fossil fuel substitution amount.

[0015] In one implementation, the stage is the waste treatment stage, and the carbon footprint-related data includes the waste treatment method and the energy consumption of the waste treatment equipment.

[0016] In one implementation, the device further includes a third processing module for generating corresponding carbon emission reduction measures based on the carbon footprint data.

[0017] Third aspect, the present application proposes an electronic device, comprising: at least one processor; and a memory communicatively connected to the at least one processor; wherein, the memory stores instructions executable by the at least one processor, and the instructions are executed by the at least one processor to enable the at least one processor to execute the method for carbon footprint accounting of thermal power generation with co-firing of biomass as described in the first aspect.

[0018] Fourth aspect, the present application proposes a computer-readable storage medium for storing instructions, which when executed, implement the method as described in the first aspect.

[0019] Fifth aspect, the present application proposes a computer program product comprising a computer program, which when executed by a processor, implements the steps of the method for carbon footprint accounting of thermal power generation with co-firing of biomass as described in the first aspect.

[0020] The carbon footprint accounting method, device, equipment and storage medium for biomass co-fired thermal power generation provided by this application can obtain carbon footprint-related data at each stage of biomass co-fired thermal power generation, and calculate the carbon footprint at each stage based on the carbon footprint-related data at each stage. Corresponding carbon emission reduction measures can be formulated based on the carbon footprint at each stage, so as to realize the prediction and monitoring of the carbon emissions of biomass co-fired power plants and optimize carbon emission management.

[0021] Additional aspects and advantages of this application will be partly given in the following description, partly become obvious from the following description, or be understood through the practice of this application. Description of the Drawings

[0022] The above-mentioned and / or additional aspects and advantages of this application will become obvious and easy to understand from the following description of the embodiments in conjunction with the drawings, where:

[0023] Figure 1 is a schematic flowchart of a carbon footprint accounting method for biomass co-fired thermal power generation provided by an embodiment of this application;

[0024] Figure 2 is a schematic structural diagram of a carbon footprint accounting device for biomass co-fired thermal power generation provided by an embodiment of this application;

[0025] Figure 3 is a schematic structural diagram of another carbon footprint accounting device for biomass co-fired thermal power generation provided by an embodiment of this application;

[0026] Figure 4 is a schematic structural diagram of an electronic device provided by an embodiment of this application. Detailed Embodiments

[0027] The embodiments of this application will be described in detail below. Examples of the embodiments are shown in the drawings, where the same or similar reference numerals denote the same or similar elements or elements with the same or similar functions from beginning to end. The embodiments described below by referring to the drawings are exemplary and are intended to explain this application and should not be construed as a limitation of this application.

[0028] The carbon footprint accounting method and device for biomass co-fired thermal power generation according to the embodiments of this application will be described below with reference to the drawings.

[0029] Figure 1 is a schematic flowchart of a carbon footprint accounting method for biomass co-fired thermal power generation provided by an embodiment of this application. As Figure 1 shown, the method may include but is not limited to the following steps:

[0030] Step S101: Obtain the biomass quality of the biomass co-fired.

[0031] Exemplarily, if carbon footprint prediction is required, the biomass mass of the biomass to be co-fired is obtained.

[0032] Exemplarily, the biomass mass of the biomass that has been co-fired and pre-recorded is obtained.

[0033] Step S102: Determine the carbon footprint accounting boundary for the thermal power generation of the co-fired biomass.

[0034] Among them, in the embodiments of the present application, the above carbon footprint accounting boundary includes at least one of the following stages: biomass production stage, transportation stage, co-firing stage, and waste treatment stage.

[0035] Exemplarily, the carbon footprint of each stage including the biomass production stage, transportation stage, co-firing stage, and waste treatment stage is determined as the carbon footprint accounting boundary for the thermal power generation of the co-fired biomass.

[0036] Step S103: Obtain the carbon footprint-related data corresponding to each stage within the carbon footprint accounting boundary.

[0037] Among them, in the embodiments of the present application, the above carbon footprint-related data is the relevant data for accounting the carbon footprint of the co-fired biomass in each stage.

[0038] As an example, taking the above stage as the biomass production stage, the carbon footprint-related data for accounting the carbon footprint of the biomass production stage is obtained.

[0039] As an example, taking the carbon footprint accounting stage as the transportation stage, the carbon footprint-related data for accounting the carbon footprint during the transportation of the biomass is obtained. For example, the carbon footprint of the transportation vehicle used during the transportation.

[0040] As an example, taking the above stage as the co-firing stage, the carbon footprint-related data for accounting the carbon footprint generated due to the use of biomass in the co-firing stage, as well as the carbon emission change data caused by the use of biomass to replace the original fuel, is obtained.

[0041] As an example, taking the above stage as the waste treatment stage, the carbon footprint-related data for accounting the carbon footprint during the treatment of the waste generated after the combustion of the biomass is obtained.

[0042] Step S104: Based on the mass of the co-fired biomass and the carbon footprint-related data corresponding to each stage, perform accounting to obtain the carbon footprint data corresponding to each stage.

[0043] Exemplarily, based on the mass of the co-fired biomass during the thermal power generation process and the carbon footprint-related data corresponding to each stage, the carbon footprint of the co-fired biomass in each stage during the thermal power generation process is calculated.

[0044] By implementing the embodiments of the present application, carbon footprint-related data at each stage of co-firing biomass for power generation can be obtained, and the carbon footprint at each stage can be calculated based on the carbon footprint-related data at each stage. Corresponding carbon emission reduction measures can be formulated based on the carbon footprint at each stage, so as to realize the prediction and monitoring of carbon emissions from power plants co-firing biomass and optimize carbon emission management.

[0045] In some embodiments, the above method may further include: generating corresponding carbon emission reduction measures based on the carbon footprint data.

[0046] Exemplarily, according to the carbon footprint data of different co-firing materials, co-firing materials with less carbon emissions can be selected.

[0047] Exemplarily, through the carbon footprint data, the main carbon emission sources and high-carbon emission stages can be identified, so as to formulate corresponding carbon emission reduction measures.

[0048] In one implementation manner, the above stage is the biomass production stage, and the carbon footprint-related data includes the energy consumption data and carbon emission data in the biomass production stage.

[0049] As an example, taking biomass as straw, the energy consumption and carbon emissions for producing a unit mass of straw are obtained, and based on the energy consumption and carbon emissions, the carbon footprint of the straw with the above biomass mass in the production stage is obtained.

[0050] As an example, taking biomass as wood chips, the energy consumption and carbon emissions in the process of collecting a unit mass of wood chips are obtained, and based on the energy consumption and carbon emissions, the carbon footprint of the wood chips with the above biomass mass in the production stage is calculated.

[0051] In one implementation manner, the above stage is the transportation stage, and the carbon footprint-related data includes the energy consumption of the transportation tools used in the transportation stage and the transportation distance of the transportation tools.

[0052] As an example, taking biomass as straw, the energy consumption and transportation distance of the transportation tools used in the process of transporting the straw to the power plant are obtained, and based on the energy consumption and the transportation distance, the carbon footprint of the straw with the above biomass mass in the transportation stage is calculated.

[0053] As an example, taking biomass as wood chips, the energy consumption and transportation distance of the transportation tools used in the process of transporting the wood chips to the power plant are obtained, and based on the energy consumption and the transportation distance, the carbon footprint of the wood chips with the above biomass mass in the transportation stage is calculated.

[0054] In one implementation manner, the above stage is the co-firing stage, and the carbon footprint-related data includes the co-firing ratio, combustion efficiency, and fossil fuel substitution amount.

[0055] As an example, taking biomass as straw, obtain the co - firing ratio and combustion efficiency of straw in the co - firing stage, so as to determine the substitution amount of fossil fuels in the co - firing stage according to the co - firing ratio, and then calculate the carbon footprint in the co - firing stage based on the substitution amount of fossil fuels and the combustion efficiency.

[0056] As an example, taking biomass as wood chips, obtain the co - firing ratio and combustion efficiency of wood chips in the co - firing stage, so as to determine the substitution amount of fossil fuels in the co - firing stage according to the co - firing ratio, and then calculate the carbon footprint in the co - firing stage based on the substitution amount of fossil fuels and the combustion efficiency.

[0057] In one implementation, the above - mentioned stage is the waste treatment stage, and the carbon - footprint - related data includes the waste treatment method and the energy consumption of waste treatment equipment.

[0058] As an example, taking biomass as straw, obtain the treatment method of the waste generated after straw combustion, and the energy consumption of the waste treatment equipment used, and calculate the carbon footprint of the waste treatment of the straw combustion waste with the above - mentioned biomass quality based on the energy consumption of the waste treatment equipment and the mass of the waste to be treated by the waste treatment equipment.

[0059] As an example, taking biomass as wood chips, obtain the treatment method of the waste generated after wood chip combustion, and the energy consumption of the waste treatment equipment used, and calculate the carbon footprint in the process of waste treatment of the wood chip combustion waste with the above - mentioned biomass quality based on the energy consumption of the waste treatment equipment.

[0060] Please refer to Figure 2 , Figure 2 which is a schematic structural diagram of a carbon - footprint accounting device for thermal power generation with co - fired biomass provided by an embodiment of the present application. As shown in Figure 2 the figure, the device 200 includes: a first acquisition module 201 for acquiring the mass of biomass for co - firing; a first processing module 202 for determining the carbon - footprint accounting boundary of thermal power generation with co - fired biomass; where the carbon - footprint accounting boundary includes at least one of the following stages: biomass production stage; transportation stage; co - firing stage; waste treatment stage; a second acquisition module 203 for acquiring the carbon - footprint - related data corresponding to each stage within the carbon - footprint accounting boundary; a second processing module 204 for calculating based on the mass of co - fired biomass and the carbon - footprint - related data corresponding to each stage to obtain the carbon - footprint data corresponding to each stage.

[0061] In one implementation, the stage is the biomass production stage, and the carbon - footprint - related data includes the energy consumption data and carbon - footprint data in the biomass production stage.

[0062] In one implementation, the stage is the transportation stage, and the carbon footprint-related data includes the energy consumption of the transportation means used in the transportation stage and the transportation distance of the transportation means.

[0063] In one implementation, the stage is the co-firing stage, and the carbon footprint-related data includes the co-firing ratio, combustion efficiency, and fossil fuel substitution amount.

[0064] In one implementation, the stage is the waste treatment stage, and the carbon footprint-related data includes the waste treatment method and the energy consumption of the waste treatment equipment.

[0065] In one implementation, the above device further includes a third processing module. As an example, please refer to Figure 3 , Figure 3 which is a schematic structural diagram of another carbon footprint accounting device for co-firing biomass provided by an embodiment of the present application. As shown in Figure 3 , the device 300 further includes: a third processing module 305, configured to generate corresponding carbon emission reduction measures based on the carbon footprint data. Among them, Figure 3 the modules 301-304 in Figure 2 have the same structure and function as the modules 201-204 in

[0066] Through the device of the embodiment of the present application, carbon footprint-related data of each stage of co-firing biomass power generation can be obtained, and the carbon footprint of each stage can be calculated based on the carbon footprint-related data of each stage. Corresponding carbon emission reduction measures can be formulated based on the carbon footprint of each stage, so as to realize the prediction and monitoring of the carbon emissions of the co-firing biomass power plant and optimize the carbon emission management.

[0067] It should be noted that the foregoing explanation of the embodiment of the carbon footprint accounting method for co-firing biomass power generation also applies to the carbon footprint accounting device for co-firing biomass power generation in this embodiment, and will not be elaborated here.

[0068] To implement the above embodiments, the present application also proposes an electronic device. Please refer to Figure 4 , Figure 4 which is a schematic structural diagram of the electronic device provided by an embodiment of the present application. As shown in Figure 4 , the electronic device 400 includes: a processor 401, and a memory 402 communicatively connected to the processor 401; the memory 402 stores computer execution instructions; the processor 401 executes the computer execution instructions stored in the memory to implement the method provided in the foregoing embodiments.

[0069] To implement the above embodiments, the present application further provides a computer-readable storage medium storing computer-executable instructions, which are used to implement the method provided by the foregoing embodiments when executed by a processor.

[0070] To implement the above embodiments, the present application further provides a computer program product including a computer program, which implements the method provided by the foregoing embodiments when executed by a processor.

[0071] Wherein, in the description of the present application, unless otherwise specified, " / " means "or". For example, A / B may mean A or B; herein, "and / or" is merely a description of the association relationship of associated objects, indicating that there can be three relationships. For example, A and / or B may mean: A exists alone, A and B exist simultaneously, and B exists alone.

[0072] In the description of the foregoing embodiments, the descriptions with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples", etc. mean that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, without contradiction, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples.

[0073] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality" is at least two, such as two, three, etc., unless otherwise specifically defined.

[0074] Any process or method description shown in the flowchart or described in other ways herein may be understood to represent a module, segment, or portion of code including one or more executable instructions for implementing a customized logic function or process. The scope of the preferred embodiments of the present application includes additional implementations, where the functions may be executed in a substantially simultaneous manner or in a reverse order according to the involved functions, rather than in the order shown or discussed, which should be understood by those skilled in the art to which the embodiments of the present application belong.

[0075] The logic and / or steps represented in the flowchart or otherwise described herein, for example, can be considered as a definable sequence list of executable instructions for implementing logical functions, and can be specifically implemented in any computer-readable medium for use by an instruction execution system, apparatus, or device (such as a computer-based system, a system including a processor, or other systems that can fetch and execute instructions from the instruction execution system, apparatus, or device), or in conjunction with these instruction execution systems, apparatus, or devices. For the purposes of this specification, a "computer-readable medium" can be any device that can contain, store, communicate, propagate, or transport a program for use by or in conjunction with an instruction execution system, apparatus, or device. More specific examples (non-exhaustive list) of computer-readable media include the following: an electrical connection portion having one or more wirings (electronic device), a portable computer diskette (magnetic device), a random access memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber device, and a portable compact disc read-only memory (CDROM). Additionally, the computer-readable medium can even be paper or other suitable media on which the program can be printed, because the program can be obtained electronically, for example, by optically scanning the paper or other media, followed by editing, interpretation, or other suitable processing as necessary, and then stored in a computer memory.

[0076] It should be understood that various parts of the present application can be implemented by hardware, software, firmware, or a combination thereof. In the above embodiments, multiple steps or methods can be implemented by software or firmware stored in a memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or a combination of the following techniques well known in the art can be used: discrete logic circuits having logic gate circuits for implementing logical functions on data signals, application-specific integrated circuits having suitable combinational logic gate circuits, programmable gate arrays (PGAs), field programmable gate arrays (FPGAs), etc.

[0077] Those of ordinary skill in the art of this technology can understand that all or part of the steps carried by the methods of the above embodiments can be completed by a program instructing relevant hardware, and the program can be stored in a computer-readable storage medium. When the program is executed, it includes one or a combination of the steps of the method embodiments.

[0078] In addition, each functional unit in various embodiments of the present application may be integrated into one processing module, may exist separately as individual physical units, or two or more units may be integrated into one module. The above-mentioned integrated module may be implemented in the form of hardware or in the form of a software functional module. When the integrated module is implemented in the form of a software functional module and sold or used as an independent product, it may also be stored in a computer-readable storage medium.

[0079] The above-mentioned storage medium may be a read-only memory, a magnetic disk, an optical disc, etc. Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present application. Those of ordinary skill in the art can make changes, modifications, substitutions, and variations to the above embodiments within the scope of the present application.

Claims

1. A method for calculating the carbon footprint of biomass-fired thermal power generation, characterized in that: include: Obtaining the biomass quality of the co-firing biomass; Determine the carbon footprint accounting boundary of thermal power generation with biomass co-combustion; wherein the carbon footprint accounting boundary includes at least one of the following stages: biomass production stage; transportation stage; co-combustion stage; waste treatment stage; Obtaining carbon footprint related data corresponding to each stage within the carbon footprint accounting boundary; The carbon footprint data corresponding to each stage is obtained by calculating based on the mass of the blended biomass and the carbon footprint related data corresponding to each stage.

2. The method according to claim 1, characterized in that The stage is the biomass production stage, and the carbon footprint related data includes energy consumption data and carbon footprint data of the biomass production stage.

3. The method according to claim 1, characterized in that The stage is the transportation stage, and the carbon footprint related data includes the energy consumption of the transportation tool used in the transportation stage and the transportation distance of the transportation tool.

4. The method according to claim 1, characterized in that The stage is the blending and combustion stage, and the carbon footprint related data include the blending and combustion ratio, combustion efficiency and fossil fuel substitution amount.

5. The method according to claim 1, wherein the stage is the waste treatment stage, and the carbon footprint related data includes the waste treatment method and the energy consumption of the waste treatment equipment.

6. The method according to claim 1, characterized in that The method further comprises: Corresponding carbon emission reduction measures are generated based on the carbon footprint data.

7. A carbon footprint calculation device for biomass-fired thermal power generation, characterized in that: include: A first acquisition module is used to obtain the biomass mass of the blended biomass; The first processing module is used to determine the carbon footprint accounting boundary of thermal power generation with biomass co-combustion; wherein the carbon footprint accounting boundary includes at least one of the following stages: biomass production stage; transportation stage; co-combustion stage; waste treatment stage; A second acquisition module is used to acquire carbon footprint related data corresponding to each stage within the carbon footprint accounting boundary; The second processing module is used to calculate based on the mass of the blended biomass and the carbon footprint related data corresponding to each of the stages to obtain the carbon footprint data corresponding to each of the stages.

8. An electronic device, characterized in that: include: A processor, and a memory communicatively connected to the processor; The memory stores computer-executable instructions; The processor executes the computer-executable instructions stored in the memory to implement the method according to any one of claims 1 to 6.

9. A computer-readable storage medium, characterized in that: The computer-readable storage medium stores computer-executable instructions, and when the computer-executable instructions are executed by a processor, they are used to implement the method according to any one of claims 1 to 6.

10. A computer program product, characterized in that The method comprises a computer program, which implements the method according to any one of claims 1 to 6 when being executed by a processor.