CN117473221A - Method, device, computer equipment and storage medium for determining carbon emission factor - Google Patents
Method, device, computer equipment and storage medium for determining carbon emission factor Download PDFInfo
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- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 371
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Abstract
The application relates to a method, a device, a computer device and a storage medium for determining a carbon emission factor. The method comprises the following steps: determining the production end carbon emission factors of each power plant of the electric energy source of the target plant and the actual carbon emission factors of various fuels consumed by the target plant; determining the total carbon emission of the target plant according to the production end carbon emission factor of each power plant from which the target plant is powered, the power consumption of each power plant consumed by the target plant, the actual carbon emission factor of each fuel consumed by the target plant and the fuel consumption of each fuel consumed by the target plant; and determining the average carbon emission factor of the target plant according to the total carbon emission of the target plant, the electric energy consumption of the power plants consumed by the target plant after normalization processing and the fuel consumption of the fuel consumed by the target plant. The method can enable the total carbon emission of the target factory to be more accurate, thereby improving the accuracy of calculating the carbon emission factor.
Description
Technical Field
The present application relates to the field of computer technology, and in particular, to a method, an apparatus, a computer device, a storage medium, and a computer program product for determining a carbon emission factor.
Background
With the increasing demand for energy, the problem of carbon emissions from burning fossil energy is becoming more and more important. In response to the "peak-on-carbon, carbon-neutral" strategic goals, there is an urgent need to develop regional carbon emission trends and countermeasures to provide accurate, objective, and efficient carbon emission accounting methods. In the carbon emission accounting, the carbon emission factor is an important parameter, and the accounting quality of the greenhouse gas emission is greatly affected.
In the conventional art, the carbon emission factor of each region is generally set to a fixed value. However, the carbon emission factor is dynamically changed, and in the conventional method, the accuracy of the carbon emission calculation is affected by using a fixed carbon emission factor.
Disclosure of Invention
In view of the foregoing, it is desirable to provide a carbon emission factor determination method, apparatus, computer device, computer-readable storage medium, and computer program product that are capable of improving the accuracy of calculating carbon emission factors.
In a first aspect, the present application provides a method for determining a carbon emission factor, including:
determining the production end carbon emission factors of each power plant of the electric energy source of the target plant and the actual carbon emission factors of various fuels consumed by the target plant;
Determining the total carbon emission of the target plant according to the production end carbon emission factor of each power plant from which the target plant is powered, the power consumption of each power plant consumed by the target plant, the actual carbon emission factor of each fuel consumed by the target plant and the fuel consumption of each fuel consumed by the target plant;
normalizing the electric energy consumption of each power plant consumed by the target plant and the fuel consumption of each fuel consumed by the target plant to obtain the normalized electric energy consumption of each power plant consumed by the target plant and the normalized fuel consumption of each fuel consumed by the target plant;
and determining the average carbon emission factor of the target plant according to the total carbon emission of the target plant, the electric energy consumption of the power plants consumed by the target plant after normalization processing and the fuel consumption of the fuel consumed by the target plant.
In one embodiment, before determining the production end carbon emission factor of each power plant of the target plant power source and the actual carbon emission factor of the target plant consuming various fuels, the method further comprises:
the energy type, the energy consumption amount, the type of each power plant from which the electric energy of the target plant is derived and the electric energy consumption amount of each power plant consumed by the target plant are monitored in real time by a pre-constructed plant monitoring system.
In one embodiment, determining the production end carbon emission factor for each plant of the target plant electrical energy source and the actual carbon emission factor for the target plant to consume various fuels includes:
for each power plant of the target plant electric energy source, acquiring a production end carbon emission factor of each power plant which sends electric quantity to the power plant and the net electric quantity of each power plant which sends electric quantity to the power plant;
and determining the production end carbon emission factor of each power plant of the target plant electric energy source according to the direct production end carbon emission amount generated by the power generation side of each power plant of the target plant electric energy source, the total power generation amount generated by the power generation side, the production end carbon emission factor of each power plant which transmits electric quantity to the power plant in a net way and the net electric quantity of each power plant which transmits electric quantity to the power plant in a net way.
In one embodiment, determining the production end carbon emission factor of each plant of the target plant electrical energy source and the actual carbon emission factor of the target plant consuming various fuels further comprises:
for each fuel consumed by a target plant, obtaining the consumption of the fuel, the carbon content of the fuel, the oxidation rate of the fuel and the low-grade heating value of the fuel consumed by the target plant;
The actual carbon emission factors of the target plant consuming various fuels are determined according to the consumption of the fuel, the carbon content of the fuel, the oxidation rate of the fuel and the low-grade heating value of the fuel.
In one embodiment, determining the actual carbon emission factor for the target plant to consume the various fuels based on the consumption of the fuel by the target plant, the carbon content of the fuel, the oxidation rate of the fuel, and the low heat generation amount of the fuel comprises:
calculating, for each fuel consumed by the target plant, a product between a consumption of the fuel, a carbon content of the fuel, an oxidation rate of the fuel, and a low-grade heating value of the fuel consumed by the target plant;
the ratio of the product of the consumption amount of the fuel consumed by the target plant, the carbon content of the fuel, the oxidation rate of the fuel and the low-grade heating value of the fuel to the consumption amount of the fuel consumed by the target plant is determined, and the ratio is taken as the actual carbon emission factor of the fuel consumed by the target plant.
In one embodiment, determining the total carbon emissions of the target plant based on the production end carbon emissions factor of each plant from which the target plant is powered and the power consumption of each plant consumed by the target plant, and the actual carbon emissions factor of each fuel consumed by the target plant and the fuel consumption of each fuel consumed by the target plant comprises:
Performing product operation on the production end carbon emission factor of each power plant of the target plant electric energy source and the electric energy consumption of the power plant consumed by the target plant to obtain the production end carbon emission of each power plant of the target plant electric energy source, and determining the sum of the production end carbon emission of a plurality of power plants of the target plant electric energy source;
performing product operation on the actual carbon emission factor of each fuel consumed by the target factory and the consumption of the fuel consumed by the target factory to obtain the carbon emission of each fuel consumed by the target factory, and determining the sum of the carbon emission of a plurality of fuels consumed by the target factory;
and determining the total carbon emission of the target plant according to the sum of the carbon emission of the production ends of the power plants of the electric energy sources of the target plant and the sum of the carbon emission of the various fuels consumed by the target plant.
In a second aspect, the present application further provides a device for determining a carbon emission factor, including:
the first determining module is used for determining the production end carbon emission factors of the power plants of the electric energy source of the target plant and the actual carbon emission factors of various fuels consumed by the target plant;
a second determining module, configured to determine a total carbon emission of the target plant according to a production end carbon emission factor of each power plant from which the target plant is powered and an electric energy consumption of each power plant consumed by the target plant, and an actual carbon emission factor of each fuel consumed by the target plant and a fuel consumption of each fuel consumed by the target plant;
The pretreatment module is used for carrying out normalization processing on the electric energy consumption of each power plant consumed by the target plant and the fuel consumption of each fuel consumed by the target plant, so as to obtain the electric energy consumption of each power plant consumed by the target plant and the fuel consumption of each fuel consumed by the target plant after normalization processing;
and the calculation module is used for determining the average carbon emission factor of the target plant according to the total carbon emission of the target plant, the electric energy consumption of the target plant after normalization treatment for consuming each power plant and the fuel consumption of the target plant for consuming each fuel.
In a third aspect, the present application also provides a computer device comprising a memory and a processor, the memory storing a computer program, the processor implementing the following steps when executing the computer program:
determining the production end carbon emission factors of each power plant of the electric energy source of the target plant and the actual carbon emission factors of various fuels consumed by the target plant;
determining the total carbon emission of the target plant according to the production end carbon emission factor of each power plant from which the target plant is powered, the power consumption of each power plant consumed by the target plant, the actual carbon emission factor of each fuel consumed by the target plant and the fuel consumption of each fuel consumed by the target plant;
Normalizing the electric energy consumption of each power plant consumed by the target plant and the fuel consumption of each fuel consumed by the target plant to obtain the normalized electric energy consumption of each power plant consumed by the target plant and the normalized fuel consumption of each fuel consumed by the target plant;
and determining the average carbon emission factor of the target plant according to the total carbon emission of the target plant, the electric energy consumption of the power plants consumed by the target plant after normalization processing and the fuel consumption of the fuel consumed by the target plant.
In a fourth aspect, the present application also provides a computer readable storage medium having stored thereon a computer program which when executed by a processor performs the steps of:
determining the production end carbon emission factors of each power plant of the electric energy source of the target plant and the actual carbon emission factors of various fuels consumed by the target plant;
determining the total carbon emission of the target plant according to the production end carbon emission factor of each power plant from which the target plant is powered, the power consumption of each power plant consumed by the target plant, the actual carbon emission factor of each fuel consumed by the target plant and the fuel consumption of each fuel consumed by the target plant;
normalizing the electric energy consumption of each power plant consumed by the target plant and the fuel consumption of each fuel consumed by the target plant to obtain the normalized electric energy consumption of each power plant consumed by the target plant and the normalized fuel consumption of each fuel consumed by the target plant;
And determining the average carbon emission factor of the target plant according to the total carbon emission of the target plant, the electric energy consumption of the power plants consumed by the target plant after normalization processing and the fuel consumption of the fuel consumed by the target plant.
In a fifth aspect, the present application also provides a computer program product comprising a computer program which, when executed by a processor, performs the steps of:
determining the production end carbon emission factors of each power plant of the electric energy source of the target plant and the actual carbon emission factors of various fuels consumed by the target plant;
determining the total carbon emission of the target plant according to the production end carbon emission factor of each power plant from which the target plant is powered, the power consumption of each power plant consumed by the target plant, the actual carbon emission factor of each fuel consumed by the target plant and the fuel consumption of each fuel consumed by the target plant;
normalizing the electric energy consumption of each power plant consumed by the target plant and the fuel consumption of each fuel consumed by the target plant to obtain the normalized electric energy consumption of each power plant consumed by the target plant and the normalized fuel consumption of each fuel consumed by the target plant;
and determining the average carbon emission factor of the target plant according to the total carbon emission of the target plant, the electric energy consumption of the power plants consumed by the target plant after normalization processing and the fuel consumption of the fuel consumed by the target plant.
The method, the device, the computer equipment, the storage medium and the computer program product for determining the carbon emission factors of the production end of each power plant from which the electric energy of the target plant is derived and the actual carbon emission factors of various fuels consumed by the target plant are determined, so that the carbon emission factors of the power plants of different power generation types in the process of generating the electric energy can be determined. According to the production end carbon emission factor of each power plant of the electric energy source of the target plant and the electric energy consumption of each power plant consumed by the target plant, as well as the actual carbon emission factor of various fuels consumed by the target plant and the fuel consumption of each fuel consumed by the target plant, the total carbon emission of the target plant is determined, and the average carbon emission factor of the target plant is determined according to the total carbon emission of the target plant, the electric energy consumption of each power plant consumed by the target plant after normalization treatment and the fuel consumption of each fuel consumed by the target plant, so that more accurate carbon emission factors can be obtained according to the actual electric energy use condition of the plant and the condition of using other energy sources.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the related art, the drawings that are required to be used in the embodiments or the related technical descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to the drawings without inventive effort for a person having ordinary skill in the art.
FIG. 1 is an application environment diagram of a method for determining carbon emission factors in one embodiment;
FIG. 2 is a flow chart of a method for determining carbon emission factors in one embodiment;
FIG. 3 is a flow chart of the steps for determining total carbon emissions for a target plant in one embodiment;
FIG. 4 is a block diagram showing a configuration of a carbon emission factor determining apparatus in one embodiment;
fig. 5 is an internal structural diagram of a computer device in one embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be further described in detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.
The method for determining the carbon emission factor provided by the embodiment of the application can be applied to an application environment shown in fig. 1. Wherein the terminal 102 communicates with the server 104 via a network. The data storage system may store data that the server 104 needs to process. The data storage system may be integrated on the server 104 or may be located on a cloud or other network server. The terminal 102 sends a request for determining the carbon emission factor to the server 104, the server 104 analyzes the request for determining the carbon emission factor, acquires corresponding data, determines the production-end carbon emission factor of each power plant from which the target plant is powered and the actual carbon emission factor of each fuel consumed by the target plant, determines the total carbon emission of the target plant, and determines the average carbon emission factor of the target plant according to the total carbon emission of the target plant, the power consumption of each power plant consumed by the target plant after normalization processing, and the fuel consumption of each fuel consumed by the target plant. The terminal 102 may be, but not limited to, various personal computers, notebook computers, smart phones, tablet computers, internet of things devices, and portable wearable devices, where the internet of things devices may be smart speakers, smart televisions, smart air conditioners, smart vehicle devices, and the like. The portable wearable device may be a smart watch, smart bracelet, headset, or the like. The server 104 may be implemented as a stand-alone server or as a server cluster of multiple servers.
In an exemplary embodiment, as shown in fig. 2, a method for determining a carbon emission factor is provided, and an example of application of the method to the server in fig. 1 is described, including the following steps 202 to 208. Wherein:
step 202, determining the production end carbon emission factor of each power plant of the target plant power source and the actual carbon emission factor of the target plant consuming various fuels.
The target plant refers to a certain plant preset to calculate the carbon emission factor. Alternatively, the factory may be replaced with any one of an industrial park, a district, a village, a town, etc. that consumes energy and discharges carbon dioxide. Since the target plant consumes electric energy during the production process and carbon emissions are generated during the production process of the electric energy, in determining the target plant carbon emission factor, the production end carbon emission factor of each power plant from which the electric energy of the target plant is derived needs to be determined. And the power generation modes of the power plants of the target plant electric energy source are different, so that the production end carbon emission factors of the power plants of the target plant electric energy source are different, and therefore, for the power plants of the target plant electric energy source, the production end carbon emission factors of the power plants of the target plant electric energy source are calculated by adopting different calculation modes according to different power generation types.
In the production process of the target plant, not only electric energy but also other energy sources, such as fuel, may be used. Fuel types include coal fuels, oil fuels, and gaseous fuels. The coal fuel comprises raw coal and coke, the oil fuel comprises gasoline, kerosene, diesel oil, fuel oil and other petroleum products, and the gas fuel is liquefied natural gas. In the production process of the target plant, multiple types of fuels are used, so for various fuels consumed by the target plant, different calculation modes are adopted to calculate the actual carbon emission factors of the various fuels consumed by the target plant according to different fuel types.
Step 204, determining the total carbon emission of the target plant according to the production end carbon emission factor of each power plant from which the target plant consumes the electric energy and the electric energy consumption of each power plant consumed by the target plant, and the actual carbon emission factor of each fuel consumed by the target plant and the fuel consumption of each fuel consumed by the target plant.
In the production process of the target plant, electric energy and fuel are consumed, and in the calculation process of the total carbon emission of the target plant, the carbon emission of each power plant from which the electric energy of the target plant is derived and the carbon emission of each fuel consumed by the target plant are calculated respectively. Each power plant of the target plant power source includes a coal-fired power plant, a solar power plant, a wind power plant, a hydropower plant, and the like. For an exemplary wind power plant with a target plant electric energy source, firstly determining a production end carbon emission factor of the wind power plant in a power generation process and electric energy consumption of the wind power plant with the target plant, and then calculating to obtain the carbon emission of the wind power plant with the target plant electric energy source according to the production end carbon emission factor of the wind power plant in the power generation process and the electric energy consumption of the wind power plant with the target plant. According to the calculation mode, after the carbon emission of each power plant of the electric energy source of the target plant is calculated, the carbon emission of each power plant of the electric energy source of the target plant is added and processed, and then the carbon emission generated by the consumed electric energy of the target plant can be obtained.
In the process of calculating the carbon emission amount of the fuel oil consumed by the target plant, the actual carbon emission factor of the fuel oil and the fuel consumption amount of the fuel oil consumed by the target plant are first determined, and the carbon emission amount of the fuel oil consumed by the target plant can be obtained according to the actual carbon emission factor of the fuel oil and the fuel consumption amount of the fuel oil consumed by the target plant. And calculating the carbon emission of various fuels consumed by the target plant, and adding the carbon emission of various fuels consumed by the target plant to obtain the carbon emission of the fuel consumed by the target plant. The total carbon emission of the target plant is obtained by adding the carbon emission generated by the electric power consumed by the target plant to the carbon emission of the fuel consumed by the target plant.
Step 206, normalizing the electric energy consumption of each power plant consumed by the target plant and the fuel consumption of each fuel consumed by the target plant to obtain the normalized electric energy consumption of each power plant consumed by the target plant and the normalized fuel consumption of each fuel consumed by the target plant.
Since the electric energy consumption of each power plant by the target plant is not uniform with the fuel consumption unit of each fuel by the target plant, the calculation is inconvenient. Therefore, the target plant consumes the electric power consumption amount of each power plant and the target plant consumes the fuel consumption amount of each fuel are normalized.
The normalization processing of the electric power consumption amount of each power plant consumed by the target plant and the fuel consumption amount of each fuel consumed by the target plant is a process of normalizing the data of the electric power consumption amount of each power plant consumed by the target plant and the data of the fuel consumption amount of each fuel consumed by the target plant. Normalization processing methods include maximum-minimum normalization (Min-Max Scaling), zero-mean normalization (Z-score Normalization), decimal Scaling normalization (Decimal Scaling), and the like.
Step 208, determining an average carbon emission factor of the target plant according to the total carbon emission of the target plant, the electric energy consumption of each power plant consumed by the target plant after normalization processing, and the fuel consumption of each fuel consumed by the target plant.
Taking the sum of the power consumption of each power plant and the fuel consumption of each fuel of the target plant after normalization processing, and determining the ratio of the total carbon emission of the target plant to the sum of the power consumption of each power plant and the fuel consumption of each fuel of the target plant after normalization processing as the average carbon emission factor of the target plant.
Exemplary, the average carbon emission factor EF for the target plant k k The calculation formula of (2) is as follows:
wherein E is k For the total carbon emission of the target plant, C power,p1 Representing the fuel consumption of p fuels consumed by the target plant k, C electric,i1 Indicating that the target plant k consumes the power consumption of the i power plant.
Average carbon emission factor EF for plant k k The method is not fixed, and is because the type and the total amount of consumed energy are changed in different production stages of the plant, for example, in a strong wind season, the plant k is more willing to use the electric energy generated by wind power generation, and at the moment, the carbon emission factor of the plant k is reduced.
According to the method for determining the carbon emission factors, the production end carbon emission factors of the power plants of the electric energy sources of the target factories and the actual carbon emission factors of the target factories consuming various fuels are determined, so that the carbon emission factors of the power plants of different power generation types in the process of generating electric energy can be determined, and the accuracy of the production end carbon emission factors is improved. According to the production end carbon emission factor of each power plant of the electric energy source of the target plant and the electric energy consumption of each power plant consumed by the target plant, as well as the actual carbon emission factor of various fuels consumed by the target plant and the fuel consumption of each fuel consumed by the target plant, the total carbon emission of the target plant is determined, and the average carbon emission factor of the target plant is determined according to the total carbon emission of the target plant, the electric energy consumption of each power plant consumed by the target plant after normalization treatment and the fuel consumption of each fuel consumed by the target plant, so that more accurate carbon emission factors can be obtained according to the actual electric energy use condition of the plant and the condition of using other energy sources.
In one exemplary embodiment, before determining the production end carbon emission factor of each power plant of the target plant power source and the actual carbon emission factor of the target plant consuming various fuels, further comprising: the energy type, the energy consumption amount, the type of each power plant from which the electric energy of the target plant is derived and the electric energy consumption amount of each power plant consumed by the target plant are monitored in real time by a pre-constructed plant monitoring system.
When the carbon emission of the target plant is calculated, the fuel consumption of various fuels consumed by the target plant and the electric energy consumption of various power plants consumed by the target plant are required to be monitored in real time according to the consumption of various fuels consumed by the target plant and the electric energy consumption of various power plants consumed by the target plant, and the data such as the type of energy used by the plant, the energy consumption, the type of power plants, the electric energy consumption and the like are monitored in real time. The update data can be set according to actual needs.
For example, the plant monitoring system may receive a user entered time frame, display functions responsive to the user entered energy type and consumption thereof. If the user inputs 2022, 6 and 2023, 6, then p fuels for the target plant and the consumption C of p fuels for the target plant during this period can be derived from the plant monitoring system power,p Type of target plant power source i power plant and target plant power consumption i power plant power consumption C electric,i 。
Optionally, the plant monitoring system may also receive a time frame of user input, and in response to the user input of the updated function of the total carbon emission of the target plant and the average carbon emission factor of the target plant, such as the user input of month 2022 to month 2023, the p fuels consumed by the target plant and the p fuel consumption C consumed by the target plant during this time frame are derived from the system power,p Type of target plant power source i power plant and target plant power consumption i power plant power consumption C electric,i And calculates this based on the derived data using the method of determining the carbon emission factor in the previous embodimentThe total carbon emission of the target plant and the average carbon emission factor of the target plant over the period of time, and updating the display.
The plant monitoring system may also receive a user input of a time frame, and responsive to a user input of a comparison of the total carbon emissions of the target plant and the average carbon emissions factor of the target plant, such as user input of year 2020 to year 2023, the plant monitoring system displays the total carbon emissions and the average carbon emissions factor of the target plant from year 2020 to year 2023, and visually compares the total carbon emissions and the average carbon emissions factor of the target plant each year. Specifically, charts such as a column chart, a pie chart and the like can be adopted, and different ground patterns are matched for distinguishing display, so that the result is displayed more intuitively.
The plant monitoring system may also respond to a user entered target plant process optimization function to give an optimal solution to the sequence of processes. From which power plant the target plant uses during the various time periods is logged into the system. The target factory can be connected with a solar power plant in the daytime, and can be connected with a wind power plant in the windy days, and the carbon dioxide emission amount generated by the solar power plant and the wind power plant is smaller than that generated by a coal-fired power plant, so that the working procedures can be reasonably ordered based on the carbon emission factors of the production ends of the power plants, and the working procedures with higher power consumption are arranged in the power plant with smaller carbon emission factors of the production ends to provide the electric energy period, so that the carbon dioxide emission amount can be further reduced.
In this embodiment, the data of the energy used by the target plant is monitored in real time by the plant monitoring system constructed in advance, and the data is used to determine the average carbon emission factor of the target plant, so that the accuracy of the average carbon emission factor of the target plant can be improved. Meanwhile, the factory monitoring system can record the energy consumption type and the total energy consumption amount of the target factory in real time and respond to the demands of users; the energy use condition of the target factory is displayed, the energy use condition of the target factory is calculated in real time, the energy use condition of the target factory is compared in different time periods, and the process sequence condition of the target factory can be optimized based on the size of the carbon emission factor.
In one exemplary embodiment, determining the production end carbon emission factor for each plant of the target plant electrical energy source and the actual carbon emission factor for the target plant to consume various fuels includes: for each power plant of the target plant electric energy source, acquiring a production end carbon emission factor of each power plant which sends electric quantity to the power plant and the net electric quantity of each power plant which sends electric quantity to the power plant; and determining the production end carbon emission factor of each power plant of the target plant electric energy source according to the direct production end carbon emission amount generated by the power generation side of each power plant of the target plant electric energy source, the total power generation amount generated by the power generation side, the production end carbon emission factor of each power plant which transmits electric quantity to the power plant in a net way and the net electric quantity of each power plant which transmits electric quantity to the power plant in a net way.
On the power supply side of electric energy, a large amount of carbon dioxide is discharged in the power generation process of the traditional coal-fired power plant with large carbon emission, a certain amount of carbon dioxide is discharged in the power generation process by using cleaner power generation modes such as solar power generation, wind power generation and hydroelectric power generation, and if carbon emission factors of different electric energy sources are set to be the same value, or the carbon dioxide discharged in the power generation process by using the cleaner power generation mode is directly ignored, the accuracy of carbon emission statistics can be affected. Therefore, according to the direct carbon emission generated by the power generation side of each power plant of the electric energy source of the target plant, the total power generation generated by the power generation side, the production end carbon emission factor of each power plant which can send out electric quantity to the power plant in a net manner and the net electric quantity of each power plant which can send out electric quantity to the power plant in a net manner, the production end carbon emission factor of each power plant of the electric energy source of the target plant can be determined, and more accurate carbon emission data and the average carbon emission factor of the target plant can be obtained.
Illustratively, the production-side carbon emission factor of the i-plant for the target plant electrical energy source may be derived from the following formula:
wherein EF is electric,i Production-end carbon emission factor, em, of i power plant representing target plant electrical energy source electric,i Representing the source of electrical energy of a target planti direct carbon emissions, EF, from the power generation side of the plant electric,j Production end carbon emission factor Eimp of power plant j representing net power output to i power plant j,i Representing the net power delivered by power plant j to power plant i, Σ j (EF electric,j ×Eimp j,i ) And the indirect carbon emission generated by the power generation side of the i power plant representing the electric energy source of the target plant. E (E) electric,i The total power generation amount generated on the power generation side of the i power plant representing the power source of the target plant.
In this embodiment, the production end carbon emission factor of each power plant of the target plant is determined for each power plant of the target plant power source, so that the obtained production end carbon emission factor is more accurate, and the accuracy of the average carbon emission factor of the target plant is improved.
In one exemplary embodiment, determining the production end carbon emission factor of each power plant of the target plant power source and the actual carbon emission factor of the target plant consuming various fuels further comprises: for each fuel consumed by a target plant, obtaining the consumption of the fuel, the carbon content of the fuel, the oxidation rate of the fuel and the low-grade heating value of the fuel consumed by the target plant; the actual carbon emission factors of the target plant consuming various fuels are determined according to the consumption of the fuel, the carbon content of the fuel, the oxidation rate of the fuel and the low-grade heating value of the fuel.
In the production process of the target factory, fuel is used in addition to electric energy, the fuel also comprises charcoal fuel, oil fuel, gas fuel and the like, wherein the coal fuel comprises raw coal and coke, the oil fuel comprises gasoline, kerosene, diesel oil, fuel oil and other petroleum products, and the gas fuel is liquefied natural gas. The average carbon emission factor of the target plant is different for different fuels consumed by the target plant. Therefore, according to the consumption of different fuels consumed by the target plant, the carbon content of the fuels, the oxidation rate of the fuels and the low-level heating value of the fuels, the actual carbon emission factors of various fuels consumed by the target plant are determined, and more accurate carbon emission data and the average carbon emission factors of the target plant are obtained.
In the above exemplary embodiment, determining the actual carbon emission factor for the target plant to consume the various fuels based on the consumption of the fuel by the target plant, the carbon content of the fuel, the oxidation rate of the fuel, and the low heat generation amount of the fuel includes: calculating, for each fuel consumed by the target plant, a product between a consumption of the fuel, a carbon content of the fuel, an oxidation rate of the fuel, and a low-grade heating value of the fuel consumed by the target plant; the ratio of the product of the consumption amount of the fuel consumed by the target plant, the carbon content of the fuel, the oxidation rate of the fuel and the low-grade heating value of the fuel to the consumption amount of the fuel consumed by the target plant is determined, and the ratio is taken as the actual carbon emission factor of the fuel consumed by the target plant.
By way of example, the actual carbon emission factor for p fuel consumed by the target plant may be derived from:
wherein C is power,p1 Representing the consumption of p fuels by the target plant, in ten thousand t, EC power,p1 Represents the carbon content of p fuels, expressed in tC/TJ, OR power,p Oxidation rate of p fuels in NCV power,p The lower calorific value of p fuels is expressed in TJ/ten thousand.
In this embodiment, the actual carbon emission factors of the target plant consuming various fuels are calculated for different fuels consumed by the target plant, so that the obtained actual carbon emission factors of the target plant consuming various fuels can be more accurate, and the accuracy of the average carbon emission factors of the target plant is improved.
In one exemplary embodiment, as shown in FIG. 3, determining the total carbon emissions of the target plant includes steps 302-306 based on the production end carbon emissions factor of each plant from which the target plant is powered and the power consumption of each plant consumed by the target plant, and the actual carbon emissions factor of each fuel consumed by the target plant and the fuel consumption of each fuel consumed by the target plant. Wherein:
step 302, performing a product operation on the production end carbon emission factor of each power plant of the target plant power source and the power consumption of the power plant consumed by the target plant to obtain the production end carbon emission of each power plant of the target plant power source, and determining the sum of the production end carbon emission of the plurality of power plants of the target plant power source.
Step 304, performing product operation on the actual carbon emission factor of each fuel consumed by the target plant and the consumption of the fuel consumed by the target plant to obtain the carbon emission of each fuel consumed by the target plant, and determining the sum of the carbon emission of the multiple fuels consumed by the target plant.
Step 306, determining the total carbon emission of the target plant according to the sum of the carbon emissions of the production ends of the plurality of power plants from which the electric energy of the target plant is derived and the sum of the carbon emissions of the plurality of fuels consumed by the target plant.
In the production process of the target plant, electric energy and fuel are used, namely, the production end carbon emission of a plurality of power plants from which the electric energy of the target plant is derived and the carbon emission of each fuel consumed by the target plant are calculated to obtain the total carbon emission of the target plant. The total carbon emission amount calculation formula of the target plant is as follows:
the carbon emission of the production end of each power plant refers to the carbon emission generated by the power generation side of each power plant in the process of producing electric energy. E (E) k Representing the total carbon emissions of the target plant in tCO 2 ，C power,p The consumption of the fuel p is expressed as ten thousand t, and when the plant k can use a plurality of fuels such as coal, natural gas, etc., the consumption of the fuel p can be calculated by adding up the fuel p. EF (electric F) power,p Actual carbon emission factor in tC/t, C representing p fuels consumed by the target plant electric,i The target plant consumes i the power consumption of the power plant,in the units of hundred million kWh, EF electric,i The production end carbon emission factor of the i power plant, which represents the electric energy source of the target plant, is given in tC/t.
In this embodiment, in the production process of the target plant, the total carbon emission of the target plant is calculated according to the actual electricity consumption of the plant and the use of other energy sources, so that the total carbon emission of the target plant can be more accurate, and the accuracy of calculating the carbon emission factor is improved.
In another embodiment, a method of determining a carbon emission factor is provided, the method comprising:
the energy type, the energy consumption amount, the type of each power plant from which the electric energy of the target plant is derived and the electric energy consumption amount of each power plant consumed by the target plant are monitored in real time by a pre-constructed plant monitoring system.
For each power plant of the target plant electric energy source, acquiring a production end carbon emission factor of each power plant which sends electric quantity to the power plant and the net electric quantity of each power plant which sends electric quantity to the power plant; and determining the production end carbon emission factor of each power plant of the target plant electric energy source according to the direct production end carbon emission amount generated by the power generation side of each power plant of the target plant electric energy source, the total power generation amount generated by the power generation side, the production end carbon emission factor of each power plant which transmits electric quantity to the power plant in a net way and the net electric quantity of each power plant which transmits electric quantity to the power plant in a net way.
For each fuel consumed by a target plant, obtaining the consumption of the fuel, the carbon content of the fuel, the oxidation rate of the fuel and the low-grade heating value of the fuel consumed by the target plant; calculating, for each fuel consumed by the target plant, a product between a consumption of the fuel, a carbon content of the fuel, an oxidation rate of the fuel, and a low-grade heating value of the fuel consumed by the target plant; the ratio of the product of the consumption amount of the fuel consumed by the target plant, the carbon content of the fuel, the oxidation rate of the fuel and the low-grade heating value of the fuel to the consumption amount of the fuel consumed by the target plant is determined, and the ratio is taken as the actual carbon emission factor of the fuel consumed by the target plant.
Performing product operation on the production end carbon emission factor of each power plant of the target plant electric energy source and the electric energy consumption of the power plant consumed by the target plant to obtain the production end carbon emission of each power plant of the target plant electric energy source, and determining the sum of the production end carbon emission of a plurality of power plants of the target plant electric energy source; performing product operation on the actual carbon emission factor of each fuel consumed by the target factory and the consumption of the fuel consumed by the target factory to obtain the carbon emission of each fuel consumed by the target factory, and determining the sum of the carbon emission of a plurality of fuels consumed by the target factory; and determining the total carbon emission of the target plant according to the sum of the carbon emission of the production ends of the power plants of the electric energy sources of the target plant and the sum of the carbon emission of the various fuels consumed by the target plant.
Normalizing the electric energy consumption of each power plant consumed by the target plant and the fuel consumption of each fuel consumed by the target plant to obtain the normalized electric energy consumption of each power plant consumed by the target plant and the normalized fuel consumption of each fuel consumed by the target plant; and determining the average carbon emission factor of the target plant according to the total carbon emission of the target plant, the electric energy consumption of the power plants consumed by the target plant after normalization processing and the fuel consumption of the fuel consumed by the target plant.
In this embodiment, the data of the energy used by the target plant is monitored in real time by the pre-constructed plant monitoring system, so as to determine the average carbon emission factor of the target plant, and the accuracy of the average carbon emission factor of the target plant can be improved. The production end carbon emission factors of the power plant are determined for each power plant with the electric energy source of the target plant, the obtained production end carbon emission factors are more accurate, the actual carbon emission factors of various fuels consumed by the target plant are calculated according to different fuels consumed by the target plant, and the obtained actual carbon emission factors of various fuels consumed by the target plant are more accurate, so that the accuracy of the average carbon emission factors of the target plant is improved. According to the condition that the electric energy is actually used by the plant and the condition that other energy sources are used, the total carbon emission of the target plant is calculated, so that the total carbon emission of the target plant is more accurate, and the accuracy of calculating the carbon emission factor is improved.
It should be understood that, although the steps in the flowcharts related to the embodiments described above are sequentially shown as indicated by arrows, these steps are not necessarily sequentially performed in the order indicated by the arrows. The steps are not strictly limited to the order of execution unless explicitly recited herein, and the steps may be executed in other orders. Moreover, at least some of the steps in the flowcharts described in the above embodiments may include a plurality of steps or a plurality of stages, which are not necessarily performed at the same time, but may be performed at different times, and the order of the steps or stages is not necessarily performed sequentially, but may be performed alternately or alternately with at least some of the other steps or stages.
Based on the same inventive concept, the embodiments of the present application also provide a carbon emission factor determination device for implementing the above-mentioned related carbon emission factor determination method. The implementation of the solution provided by the device is similar to the implementation described in the above method, so the specific limitation in the embodiment of the device for determining the carbon emission factor or factors provided below may be referred to the limitation of the method for determining the carbon emission factor hereinabove, and will not be repeated here.
In an exemplary embodiment, as shown in fig. 4, there is provided a carbon emission factor determining apparatus including: a first determination module 402, a second determination module 404, a preprocessing module 406, and a calculation module 408, wherein:
a first determination module 402 is configured to determine a production-side carbon emission factor for each plant from which the target plant is powered and an actual carbon emission factor for which the target plant is consuming various fuels.
The second determining module 404 is configured to determine a total carbon emission of the target plant according to the production end carbon emission factor of each power plant from which the target plant is powered and the power consumption of each power plant consumed by the target plant, and the actual carbon emission factor of each fuel consumed by the target plant and the fuel consumption of each fuel consumed by the target plant.
The preprocessing module 406 is configured to normalize the power consumption of each power plant consumed by the target plant and the fuel consumption of each fuel consumed by the target plant, so as to obtain the normalized power consumption of each power plant consumed by the target plant and the normalized fuel consumption of each fuel consumed by the target plant.
A calculation module 408 for determining an average carbon emission factor of the target plant based on the total carbon emission of the target plant, the power consumption of the normalized target plant to each power plant, and the fuel consumption of the target plant to each fuel.
In an exemplary embodiment, the determining means of the carbon emission factor further includes:
the monitoring module is used for monitoring the type of energy source used by the target plant, the energy consumption, the type of each power plant of the electric energy source of the target plant and the electric energy consumption of each power plant consumed by the target plant in real time through a pre-built plant monitoring system.
In an exemplary embodiment, the first determination module 402 is further configured to obtain, for each power plant of the target plant power source, a production-side carbon emission factor for each power plant that is net delivering power to the power plant and a net power delivery for each power plant that is net delivering power to the power plant; and determining the production end carbon emission factor of each power plant of the target plant electric energy source according to the direct production end carbon emission amount generated by the power generation side of each power plant of the target plant electric energy source, the total power generation amount generated by the power generation side, the production end carbon emission factor of each power plant which transmits electric quantity to the power plant in a net way and the net electric quantity of each power plant which transmits electric quantity to the power plant in a net way.
In an exemplary embodiment, the first determination module 402 is further configured to obtain, for each fuel consumed by the target plant, a consumption of the fuel, a carbon content of the fuel, an oxidation rate of the fuel, and a low-grade heating value of the fuel consumed by the target plant; the actual carbon emission factors of the target plant consuming various fuels are determined according to the consumption of the fuel, the carbon content of the fuel, the oxidation rate of the fuel and the low-grade heating value of the fuel.
In an exemplary embodiment, the first determination module 402 is further configured to calculate, for each fuel consumed by the target plant, a product between the consumption of the fuel by the target plant, the carbon content of the fuel, the oxidation rate of the fuel, and the low heat generation amount of the fuel; the ratio of the product of the consumption amount of the fuel consumed by the target plant, the carbon content of the fuel, the oxidation rate of the fuel and the low-grade heating value of the fuel to the consumption amount of the fuel consumed by the target plant is determined, and the ratio is taken as the actual carbon emission factor of the fuel consumed by the target plant.
In an exemplary embodiment, the second determining module 404 is further configured to multiply the production carbon emission factor of each power plant of the target plant power source with the power consumption of the power plant consumed by the target plant to obtain the production carbon emission of each power plant of the target plant power source, and determine a sum of the production carbon emissions of the plurality of power plants of the target plant power source; performing product operation on the actual carbon emission factor of each fuel consumed by the target factory and the consumption of the fuel consumed by the target factory to obtain the carbon emission of each fuel consumed by the target factory, and determining the sum of the carbon emission of a plurality of fuels consumed by the target factory; and determining the total carbon emission of the target plant according to the sum of the carbon emission of the production ends of the power plants of the electric energy sources of the target plant and the sum of the carbon emission of the various fuels consumed by the target plant.
According to the carbon emission factor determining device, the data of the energy used by the target plant is monitored in real time through the pre-built plant monitoring system, and the data are used for determining the average carbon emission factor of the target plant, so that the accuracy of the average carbon emission factor of the target plant can be improved. The production end carbon emission factors of the power plant are determined for each power plant with the electric energy source of the target plant, the obtained production end carbon emission factors are more accurate, the actual carbon emission factors of various fuels consumed by the target plant are calculated according to different fuels consumed by the target plant, and the obtained actual carbon emission factors of various fuels consumed by the target plant are more accurate, so that the accuracy of the average carbon emission factors of the target plant is improved. According to the condition that the electric energy is actually used by the plant and the condition that other energy sources are used, the total carbon emission of the target plant is calculated, so that the total carbon emission of the target plant is more accurate, and the accuracy of calculating the carbon emission factor is improved.
The respective modules in the above-described carbon emission factor determination device may be implemented in whole or in part by software, hardware, and combinations thereof. The above modules may be embedded in hardware or may be independent of a processor in the computer device, or may be stored in software in a memory in the computer device, so that the processor may call and execute operations corresponding to the above modules.
In one exemplary embodiment, a computer device is provided, which may be a server, the internal structure of which may be as shown in fig. 5. The computer device includes a processor, a memory, an Input/Output interface (I/O) and a communication interface. The processor, the memory and the input/output interface are connected through a system bus, and the communication interface is connected to the system bus through the input/output interface. Wherein the processor of the computer device is configured to provide computing and control capabilities. The memory of the computer device includes a non-volatile storage medium and an internal memory. The non-volatile storage medium stores an operating system, computer programs, and a database. The internal memory provides an environment for the operation of the operating system and computer programs in the non-volatile storage media. The database of the computer device is used for storing the type of energy used by the target plant, the energy consumption, the type of each power plant from which the target plant is powered, and the power consumption data of each power plant consumed by the target plant. The input/output interface of the computer device is used to exchange information between the processor and the external device. The communication interface of the computer device is used for communicating with an external terminal through a network connection. The computer program is executed by a processor to implement a method of determining a carbon emission factor.
It will be appreciated by those skilled in the art that the structure shown in fig. 5 is merely a block diagram of some of the structures associated with the present application and is not limiting of the computer device to which the present application may be applied, and that a particular computer device may include more or fewer components than shown, or may combine certain components, or have a different arrangement of components.
In one embodiment, a computer device is provided, comprising a memory and a processor, the memory having stored therein a computer program, the processor implementing the steps of the method embodiments described above when the computer program is executed.
In one embodiment, a computer-readable storage medium is provided, on which a computer program is stored which, when executed by a processor, implements the steps of the method embodiments described above.
In an embodiment, a computer program product is provided, comprising a computer program which, when executed by a processor, implements the steps of the method embodiments described above.
It should be noted that, the user information (including, but not limited to, user equipment information, user personal information, etc.) and the data (including, but not limited to, data for analysis, stored data, presented data, etc.) referred to in the present application are information and data authorized by the user or sufficiently authorized by each party, and the collection, use, and processing of the related data are required to meet the related regulations.
Those skilled in the art will appreciate that implementing all or part of the above described methods may be accomplished by way of a computer program stored on a non-transitory computer readable storage medium, which when executed, may comprise the steps of the embodiments of the methods described above. Any reference to memory, database, or other medium used in the various embodiments provided herein may include at least one of non-volatile and volatile memory. The nonvolatile Memory may include Read-Only Memory (ROM), magnetic tape, floppy disk, flash Memory, optical Memory, high density embedded nonvolatile Memory, resistive random access Memory (ReRAM), magnetic random access Memory (Magnetoresistive Random Access Memory, MRAM), ferroelectric Memory (Ferroelectric Random Access Memory, FRAM), phase change Memory (Phase Change Memory, PCM), graphene Memory, and the like. Volatile memory can include random access memory (Random Access Memory, RAM) or external cache memory, and the like. By way of illustration, and not limitation, RAM can be in the form of a variety of forms, such as static random access memory (Static Random Access Memory, SRAM) or dynamic random access memory (Dynamic Random Access Memory, DRAM), and the like. The databases referred to in the various embodiments provided herein may include at least one of relational databases and non-relational databases. The non-relational database may include, but is not limited to, a blockchain-based distributed database, and the like. The processors referred to in the embodiments provided herein may be general purpose processors, central processing units, graphics processors, digital signal processors, programmable logic units, quantum computing-based data processing logic units, etc., without being limited thereto.
The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples only represent a few embodiments of the present application, which are described in more detail and are not to be construed as limiting the scope of the present application. It should be noted that it would be apparent to those skilled in the art that various modifications and improvements could be made without departing from the spirit of the present application, which would be within the scope of the present application. Accordingly, the scope of protection of the present application shall be subject to the appended claims.
Claims (10)
1. A method of determining a carbon emission factor, the method comprising:
determining the production end carbon emission factors of each power plant of the electric energy source of the target plant and the actual carbon emission factors of various fuels consumed by the target plant;
determining the total carbon emission of the target plant according to the production end carbon emission factor of each power plant from which the target plant is powered, the power consumption of each power plant consumed by the target plant, the actual carbon emission factor of each fuel consumed by the target plant and the fuel consumption of each fuel consumed by the target plant;
Normalizing the electric energy consumption of each power plant consumed by the target plant and the fuel consumption of each fuel consumed by the target plant to obtain the normalized electric energy consumption of each power plant consumed by the target plant and the normalized fuel consumption of each fuel consumed by the target plant;
and determining the average carbon emission factor of the target plant according to the total carbon emission of the target plant, the electric energy consumption of each power plant consumed by the target plant after normalization processing and the fuel consumption of each fuel consumed by the target plant.
2. The method of claim 1, further comprising, prior to said determining the production end carbon emission factor for each plant from which the target plant is powered and the actual carbon emission factor for each fuel consumed by the target plant:
the energy type, the energy consumption amount, the type of each power plant from which the electric energy of the target plant is derived and the electric energy consumption amount of each power plant consumed by the target plant are monitored in real time by a pre-constructed plant monitoring system.
3. The method of claim 1, wherein determining the production-side carbon emission factor for each plant from which the target plant is powered and the actual carbon emission factor for each fuel consumed by the target plant comprises:
For each power plant of the target plant electric energy source, acquiring a production end carbon emission factor of each power plant which sends electric quantity to the power plant and the net electric quantity of each power plant which sends electric quantity to the power plant;
and determining the production end carbon emission factor of each power plant of the target plant electric energy source according to the direct production end carbon emission amount generated by the power generation side of each power plant of the target plant electric energy source, the total power generation amount generated by the power generation side, the production end carbon emission factor of each power plant which transmits electric quantity to the power plant in a net way and the net electric quantity of each power plant which transmits electric quantity to the power plant in a net way.
4. The method of claim 1, wherein determining the production-side carbon emission factor for each plant from which the target plant is powered and the actual carbon emission factor for each fuel consumed by the target plant further comprises:
for each fuel consumed by a target plant, obtaining the consumption of the fuel, the carbon content of the fuel, the oxidation rate of the fuel and the low-grade heating value of the fuel consumed by the target plant;
and determining the actual carbon emission factors of various fuels consumed by the target plant according to the consumption of the fuel consumed by the target plant, the carbon content of the fuel, the oxidation rate of the fuel and the low-level heating value of the fuel.
5. The method of claim 4, wherein determining the actual carbon emission factor for the target plant to consume the various fuels based on the consumption of the fuel by the target plant, the carbon content of the fuel, the oxidation rate of the fuel, and the low heat generation value of the fuel comprises:
calculating, for each fuel consumed by the target plant, a product between a consumption of the fuel, a carbon content of the fuel, an oxidation rate of the fuel, and a low-grade heating value of the fuel consumed by the target plant;
and determining the ratio of the product of the consumption amount of the fuel consumed by the target plant, the carbon content of the fuel, the oxidation rate of the fuel and the low-grade heating value of the fuel to the consumption amount of the fuel consumed by the target plant, and taking the ratio as the actual carbon emission factor of the fuel consumed by the target plant.
6. The method of claim 1, wherein determining the total carbon emissions of the target plant based on the production end carbon emissions factor of each plant from which the target plant is powered and the power consumption of each plant consumed by the target plant, and the actual carbon emissions factor of each fuel consumed by the target plant and the fuel consumption of each fuel consumed by the target plant comprises:
Performing product operation on the production end carbon emission factor of each power plant of the target plant electric energy source and the electric energy consumption of the power plant consumed by the target plant to obtain the production end carbon emission of each power plant of the target plant electric energy source, and determining the sum of the production end carbon emission of a plurality of power plants of the target plant electric energy source;
performing product operation on the actual carbon emission factor of each fuel consumed by the target factory and the consumption of the fuel consumed by the target factory to obtain the carbon emission of each fuel consumed by the target factory, and determining the sum of the carbon emission of a plurality of fuels consumed by the target factory;
and determining the total carbon emission of the target plant according to the sum of the carbon emission of the production ends of the power plants of the electric energy sources of the target plant and the sum of the carbon emission of the various fuels consumed by the target plant.
7. A device for determining a carbon emission factor, the device comprising:
the first determining module is used for determining the production end carbon emission factors of the power plants of the electric energy source of the target plant and the actual carbon emission factors of various fuels consumed by the target plant;
a second determining module, configured to determine a total carbon emission of the target plant according to a production end carbon emission factor of each power plant from which the target plant is powered and an electric energy consumption of each power plant consumed by the target plant, and an actual carbon emission factor of each fuel consumed by the target plant and a fuel consumption of each fuel consumed by the target plant;
The pretreatment module is used for carrying out normalization processing on the electric energy consumption of each power plant consumed by the target plant and the fuel consumption of each fuel consumed by the target plant, so as to obtain the electric energy consumption of each power plant consumed by the target plant and the fuel consumption of each fuel consumed by the target plant after normalization processing;
and the calculation module is used for determining the average carbon emission factor of the target plant according to the total carbon emission of the target plant, the electric energy consumption of the target plant after normalization treatment for consuming each power plant and the fuel consumption of the target plant for consuming each fuel.
8. A computer device comprising a memory and a processor, the memory storing a computer program, characterized in that the processor implements the steps of the method of any of claims 1 to 6 when the computer program is executed.
9. A computer readable storage medium, on which a computer program is stored, characterized in that the computer program, when being executed by a processor, implements the steps of the method of any of claims 1 to 6.
10. A computer program product comprising a computer program, characterized in that the computer program, when being executed by a processor, implements the steps of the method of any of claims 1 to 6.
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