Clean energy utilization amount calculation method, system and equipment and storage medium

By classifying and calculating clean energy project data, the accuracy and efficiency issues in calculating clean energy utilization in existing technologies have been resolved, providing accurate utilization assessments and offering decision-making support for enterprises' low-carbon transformation.

CN121597960APending Publication Date: 2026-03-03PETROCHINA CO LTD
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Patent Information

Application Number
CN202411145852.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-08-20
Publication Date
2026-03-03

AI Technical Summary

Technical Problem

The existing technology lacks a method for calculating clean energy utilization that is highly accurate, portable, convenient, and fast, resulting in a lack of effective algorithms for enterprises to assess the current status of clean energy utilization.

Method used

A method for calculating the utilization of clean energy is adopted. By collecting project data, the clean energy is classified into seven types: photovoltaic, solar thermal, wind power, waste pressure, waste heat, geothermal, and heat pump. The utilization of each type of energy is calculated separately, and the total clean energy utilization is calculated based on these utilizations. Specific formulas such as (1)-(9) are used for calculation.

Benefits of technology

It improves calculation accuracy and efficiency, simplifies the calculation process, provides accurate assessment of clean energy utilization, and provides technical support for enterprises' low-carbon transformation and the formulation of utilization plans.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a method for calculating the utilization amount of clean energy. The method comprises the following steps: collecting project data of the clean energy; classifying the item data of the clean energy to obtain item data of different types of clean energy, and determining the type of the clean energy corresponding to the item data of each type of clean energy; based on the item data of the clean energy and the type of the clean energy, the utilization amount of each type of clean energy is calculated; a total clean energy utilization amount is calculated based on the utilization amount of each clean energy. According to the method, the required data size is small, parameter calculation is rapid and convenient, calculation precision is high, portability is good, and the problem that at present, no mature and reliable calculation method capable of rapidly and accurately calculating the utilization amount of clean energy exists is solved. The method is clear and visual in calculation process, accurate and practical in calculation result, and capable of being used for evaluating the real situation of clean energy utilization and providing technical support and decision basis for enterprises to develop low-carbon transformation and formulate clean energy utilization schemes depending on the clean energy.
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Description

Technical Field

[0001] This invention belongs to the field of clean energy development and utilization technology, and relates to a method, system, equipment and storage medium for calculating the amount of clean energy utilized. Background Technology

[0002] To address climate change, low-carbon, clean, and efficient energy development has become the current trend. Replacing traditional fossil fuels such as oil, natural gas, and coal with clean energy has become an inevitable path for energy development. In a narrow sense, clean energy refers to renewable energy sources such as hydropower, bioenergy, solar energy, wind energy, geothermal energy, air source heat pumps, and tidal energy. In a broader sense, clean energy refers to energy sources that do not emit pollutants, including hydrogen energy, waste pressure, and waste heat. However, clean energy is diverse in type and utilization methods. After implementing a series of clean energy substitutions, enterprises need to assess their current clean energy utilization status by calculating clean energy usage. Clean energy usage refers to the converted output of the actual installed capacity of clean energy during a specific period, measured in tons of standard coal equivalent (tce). However, precisely because of the diversity of clean energy types and forms, enterprises lack a clear approach to calculating clean energy usage and have not developed effective and practical algorithms. Therefore, the problem of establishing a highly accurate, portable, and convenient method for calculating clean energy usage remains unsolved. Summary of the Invention

[0003] The purpose of this invention is to solve the technical problem that has not yet been solved in the prior art: how to establish a method for calculating clean energy utilization that has high calculation accuracy, good portability, and is convenient and fast. The invention provides a method, system, device, and storage medium for calculating clean energy utilization.

[0004] To achieve the above objectives, the present invention employs the following technical solution:

[0005] In a first aspect, the present invention provides a method for calculating clean energy utilization, comprising:

[0006] Collect clean energy project data;

[0007] The clean energy project data is classified to obtain different types of clean energy project data and to determine the type of clean energy corresponding to each type of clean energy project data.

[0008] The utilization rate of each type of clean energy is calculated based on the project data and types of clean energy.

[0009] The total clean energy utilization is calculated based on the utilization of each type of clean energy.

[0010] A further improvement of the present invention is as follows:

[0011] The types of clean energy include clean energy generated by photovoltaics, solar thermal, wind power, waste pressure, waste heat, geothermal energy, or heat pumps; the utilization amount of clean energy includes photovoltaic utilization, solar thermal utilization, wind power utilization, waste pressure utilization, waste heat utilization, geothermal energy utilization, or heat pump utilization.

[0012] The photovoltaic utilization rate is calculated through the following steps:

[0013] The utilization of clean energy generated by photovoltaic power can be calculated based on the installed capacity, annual equivalent utilization time, and standard coal equivalent coefficient of electricity generation.

[0014]

[0015] Among them, E PV Photovoltaic utilization, unit: tce; P PV The installed capacity of photovoltaic DC side is expressed in kWp; h PV The annual equivalent utilization time of photovoltaics is expressed in hours (h). The annual equivalent utilization time refers to the total time that photovoltaic modules operate at their rated power each year.

[0016] The photothermal utilization rate is calculated through the following steps:

[0017] Solve for solar thermal utilization based on the installed capacity, annual equivalent utilization time, and standard coal equivalent coefficient:

[0018]

[0019] Among them, E PT Photothermal utilization, measured in tce; P PT The installed capacity of concentrated solar power (CSP) is expressed in kW or h. PT The equivalent utilization time of solar thermal year is expressed in hours.

[0020] The wind power utilization is calculated through the following steps:

[0021] The wind power utilization is calculated based on the wind power installed capacity, annual equivalent utilization time, and standard coal equivalent coefficient of electricity.

[0022]

[0023] Among them, E wind P represents wind power utilization, measured in tce. wind Wind power installed capacity, in kW; h wind The annual equivalent utilization time of wind power is expressed in hours (h).

[0024] The residual pressure utilization amount is calculated through the following steps:

[0025] According to the form of energy conversion, residual pressure is divided into residual pressure power generation and residual pressure work.

[0026] When generating electricity from residual pressure, the amount of residual pressure utilized is calculated based on the installed capacity, annual equivalent utilization time, and the standard coal equivalent coefficient for electricity consumption:

[0027]

[0028] Among them, E SP This refers to residual pressure utilization, expressed in tce; P SP The installed capacity of the waste pressure power generation system is expressed in kW; h SP The equivalent utilization time of the surplus pressure per year is expressed in hours.

[0029] When work is done on residual pressure, the residual pressure utilization amount is calculated based on the power of the equipment driven by the work, the actual operating time, and the standard coal equivalent coefficient:

[0030]

[0031] Among them, E SP P1 represents the residual pressure utilization amount, in tce; P2 represents the power of the equipment driven by the residual pressure, in kW; h1 represents the actual operating time of the equipment driven by the residual pressure, in h.

[0032] The waste heat utilization rate is calculated through the following steps:

[0033] The waste heat utilization amount can be calculated based on the volume of the heated medium, the temperature difference before and after heat exchange, the specific heat capacity at constant pressure, and the heat conversion factor to standard coal.

[0034] E ST =3.412 ÷ 10 8 ×∫c2ρ2V2(T y -T0) (6)

[0035] Among them, E ST ρ1 is the waste heat recovery rate, in tce; c2 is the isobaric specific heat capacity of the heated medium, in kJ / (kg·℃); ρ2 is the density of the heated medium, in kg / m³. 3 V2 is the volume of the heated medium, in cubic meters (m³). 3 ;T y T0 and T0 represent the temperatures of the heated medium before and after heat exchange, respectively, in °C.

[0036] The geothermal utilization rate is calculated through the following steps:

[0037] Geothermal utilization is calculated based on the amount of natural gas and electricity replaced by geothermal energy.

[0038] E UT =Q gas ×13.3+Q e×1.229 (7)

[0039] Among them, E UT Q represents geothermal energy utilization, measured in tons per tonne (tce). gas The volume of geothermal energy used to replace natural gas is expressed in units of 10. 4 m 3 Q e The amount of electricity used as a substitute is expressed in units of 10. 4 kWh.

[0040] The heat pump utilization rate is calculated through the following steps:

[0041] The utilization rate of a heat pump is calculated based on its installed capacity, COP value, and actual operating time.

[0042] E HP =1.229÷10000×∫P HP h HP (COP-1) (8)

[0043] Among them, E HP Heat pump utilization, measured in tce; P HP The installed power of the heat pump is expressed in kW; COP is the coefficient of performance of the heat pump, which characterizes the ratio of the heat pump's output power to its input power and is dimensionless; h HP This represents the actual operating time of the heat pump, in hours (h).

[0044] The calculation of total clean energy utilization based on the utilization of each type of clean energy specifically includes:

[0045] Based on the already calculated photovoltaic utilization, solar thermal utilization, wind power utilization, waste pressure utilization, waste heat utilization, geothermal utilization, and heat pump utilization, calculate the total clean energy utilization.

[0046] E = E PV +E PT +E wind +E SP +E ST +E UT +E HP (9)

[0047] Where E represents the total clean energy utilization, measured in tce.

[0048] Secondly, the present invention provides a system for calculating clean energy utilization, comprising:

[0049] The data acquisition unit collects data, including clean energy project design data and equipment operation data.

[0050] The clean energy type classification unit classifies the data and determines the types of clean energy.

[0051] A single clean energy utilization calculation unit calculates the utilization of each type of clean energy based on the data and the type of clean energy.

[0052] The total clean energy utilization calculation unit calculates the total clean energy utilization based on the utilization of each type of clean energy.

[0053] Thirdly, the present invention provides an electronic device including a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor executes the computer program to implement the steps of the above-described method for calculating clean energy utilization.

[0054] Fourthly, the present invention provides a computer-readable storage medium storing a computer program that, when executed by a processor, implements the steps of the above-described method for calculating clean energy utilization.

[0055] Compared with the prior art, the present invention has the following beneficial effects:

[0056] This invention discloses a method for calculating clean energy utilization. First, clean energy project data is collected. Then, the data is classified to determine the types of clean energy. Based on the project data and the types of clean energy, the utilization amount of each type is calculated. Finally, the total clean energy utilization is calculated based on the utilization amount of each type. This method first clarifies the scope of data to be collected, namely, clean energy project design data and equipment operation data. These data are directly related to the output and utilization of clean energy, avoiding the collection of irrelevant or redundant information, thus reducing the data volume. Simultaneously, by classifying the data and clarifying the types of clean energy, subsequent calculations become more targeted and efficient. Because the data classification is clear and directly related to the actual utilization of clean energy, and the calculation process is tailored to the characteristics of each type of clean energy, it can more accurately reflect the actual utilization amount of clean energy. Furthermore, it avoids errors caused by mixed data or mismatched calculation models, improving calculation accuracy. Therefore, this method requires less data, has fast and convenient parameter calculation, high calculation accuracy, and good portability, solving the problem that there is currently no mature and reliable calculation method to quickly and accurately calculate clean energy utilization. Based on the categorized data and clean energy types, the utilization rate of each clean energy source is calculated separately. This divide-and-conquer strategy simplifies the calculation process, avoids complex cross-influences, and makes the calculation more direct and faster. Furthermore, specific calculation models or formulas for each clean energy source can be directly applied without complex parameter adjustments or model construction, further improving computational efficiency. The method's calculation flow is clear and intuitive, and the results are accurate and practical. It can be used to evaluate the actual situation of clean energy utilization, providing enterprises with accurate information to understand and grasp their own clean energy utilization, and providing technical support and decision-making basis for enterprises to carry out low-carbon transformation and formulate clean energy utilization plans based on clean energy.

[0057] Furthermore, this invention categorizes the utilization of clean energy into seven methods: photovoltaic, solar thermal, wind power, waste pressure, waste heat, geothermal, and heat pump. For each method, a suitable and reliable algorithm is proposed to enable effective calculation of the utilization amount. Attached Figure Description

[0058] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0059] Figure 1 This is a flowchart of a method for calculating clean energy utilization in this invention;

[0060] Figure 2 This is a detailed step diagram of a method for calculating clean energy utilization in this invention;

[0061] Figure 3 This is a diagram of a clean energy utilization calculation system in this invention;

[0062] Figure 4 This is a block diagram of the electronic device in this invention. Detailed Implementation

[0063] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. The components of the embodiments of the present invention described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0064] Therefore, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the invention without inventive effort are within the scope of protection of the invention.

[0065] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0066] The present invention will now be described in further detail with reference to the accompanying drawings:

[0067] See Figure 1 This invention discloses a method for calculating clean energy utilization, comprising:

[0068] S1, collects clean energy project data;

[0069] Collect relevant data on projects implemented by a company or region using clean energy through various methods such as automatic data collection or manual statistics. This includes project design data and equipment operation data.

[0070] S2, classify the clean energy project data to obtain different types of clean energy project data and determine the type of clean energy corresponding to each type of clean energy project data;

[0071] Then, based on the utilization method, the clean energy project data are divided into seven types: photovoltaic, solar thermal, wind power, waste pressure, waste heat, geothermal, and heat pump.

[0072] S3, Calculate the utilization amount of each type of clean energy based on the project data and types of clean energy;

[0073] For example, if the project data for clean energy and the type of clean energy is photovoltaic (PV), then the PV utilization rate is calculated. The PV utilization rate is determined based on the PV installed capacity, annual equivalent utilization time, and the standard coal equivalent coefficient for electricity generation. The calculation method is as follows:

[0074]

[0075] In the formula, E PV Photovoltaic utilization, unit: tce; P PV The installed capacity of photovoltaic DC side is expressed in kWp; h PV The annual equivalent utilization time of photovoltaics is expressed in hours (h). Annual equivalent utilization time refers to the total time each year that photovoltaic modules operate at their rated power.

[0076] S4 calculates the total clean energy utilization based on the utilization of each type of clean energy.

[0077] The total clean energy utilization is calculated based on the already calculated photovoltaic utilization.

[0078] E = E PV

[0079] Where E represents the total clean energy utilization, measured in tce.

[0080] This invention requires relatively little data, offers fast and convenient parameter calculation, boasts high accuracy, and is highly portable. It solves the current problem of lacking a mature and reliable calculation method for quickly and accurately calculating clean energy utilization. The method's calculation process is clear and intuitive, and the results are accurate and practical. It can be used to evaluate the actual situation of clean energy utilization, providing enterprises with accurate information to understand and grasp their own clean energy utilization status. It also provides technical support and decision-making basis for enterprises to carry out low-carbon transformation based on clean energy and formulate clean energy utilization plans.

[0081] See Figure 2 This invention discloses a method for calculating clean energy utilization. The following detailed description of the invention is provided in conjunction with specific embodiments:

[0082] A method for calculating clean energy utilization includes solving for eight main parameters: photovoltaic utilization, solar thermal utilization, wind power utilization, waste pressure utilization, waste heat utilization, geothermal utilization, heat pump utilization, and total clean energy utilization. Figure 2 As shown.

[0083] The utilization amount refers to the amount of clean electricity or heat produced using seven methods, namely photovoltaic, solar thermal, wind power, waste pressure, waste heat, geothermal, and heat pumps, and converted into standard coal equivalent, with the unit being tons of standard coal.

[0084] Photovoltaics refers to a new type of power generation that uses the photovoltaic effect of solar cell semiconductor materials to directly convert solar radiation energy into electrical energy.

[0085] The solar thermal energy mentioned above refers to the conversion of solar energy into thermal energy for utilization.

[0086] The aforementioned wind power refers to the conversion of wind energy into electrical energy for utilization.

[0087] The residual pressure refers to the pressure energy that can be used after an industrial production process system consumes input energy.

[0088] The waste heat mentioned refers to the usable thermal energy output by an industrial production process system after consuming input energy.

[0089] The term "geothermal" generally refers to ground temperature, which is a general term for the temperature of the soil at the land surface and different depths below it.

[0090] The heat pump is a highly efficient and energy-saving device that makes full use of low-grade heat energy. According to the source of heat energy, it can be divided into air source heat pump, water source heat pump and geothermal heat pump.

[0091] The method for calculating the utilization of clean energy includes the following specific steps:

[0092] Step 1: Data Collection. Collect relevant data on clean energy projects implemented by a company or region through various methods, including automated collection and manual statistics. This includes project design data and equipment operation data. Then, categorize clean energy projects into seven types based on their utilization method: photovoltaic, solar thermal, wind power, waste pressure, waste heat, geothermal, and heat pumps.

[0093] Step 2: Calculate the photovoltaic utilization rate. The photovoltaic utilization rate is calculated based on the installed photovoltaic capacity, annual equivalent utilization time, and the standard coal equivalent coefficient for electricity generation. The calculation method is as follows:

[0094]

[0095] In the formula, E PV Photovoltaic utilization, unit: tce; P PV The installed capacity of photovoltaic DC side is expressed in kWp; h PV The annual equivalent utilization time of photovoltaics is expressed in hours (h). Annual equivalent utilization time refers to the total time each year that photovoltaic modules operate at their rated power.

[0096] Step 3: Calculate the solar thermal utilization rate. The solar thermal utilization rate is calculated based on the installed capacity, annual equivalent utilization time, and standard coal equivalent coefficient. The calculation method is as follows:

[0097]

[0098] In the formula, E PT Photothermal utilization, measured in tce; P PT The installed capacity of concentrated solar power (CSP) is expressed in kW or h. PT The equivalent utilization time of solar thermal year is expressed in hours (h).

[0099] Step 4: Calculate wind power utilization. Based on the installed wind power capacity, annual equivalent utilization time, and standard coal equivalent coefficient for electricity generation, calculate the residual pressure utilization. The calculation method is as follows:

[0100]

[0101] In the formula, E wind P represents wind power utilization, measured in tce. wind Wind power installed capacity, in kW; h wind The annual equivalent utilization time of wind power is expressed in hours (h).

[0102] Step 5: Calculate the amount of residual pressure utilized. Residual pressure can be categorized into residual pressure power generation and residual pressure work based on its energy conversion form.

[0103] ① For waste pressure power generation, the waste pressure utilization amount is calculated based on the installed capacity, annual equivalent utilization time, and standard coal equivalent coefficient of electricity. The calculation method is as follows:

[0104]

[0105] In the formula, E SP This refers to residual pressure utilization, expressed in tce; P SP The installed capacity of the waste pressure power generation system is expressed in kW; h SP The equivalent utilization time of the remaining pressure year is expressed in hours (h).

[0106] ② Regarding the work done by residual pressure, the residual pressure utilization is calculated based on the power of the equipment driven by the work done, the actual operating time, and the standard coal equivalent coefficient. The calculation method is as follows:

[0107]

[0108] In the formula, E SP P1 represents the residual pressure utilization amount, in tce; P2 represents the power of the equipment driven by the residual pressure, in kW; h1 represents the actual operating time of the equipment driven by the residual pressure, in h.

[0109] Step Six: Calculate the waste heat utilization rate. The waste heat utilization rate can be calculated based on the volume of the heated medium, the temperature difference before and after heat exchange, the specific heat capacity at constant pressure, and the heat conversion factor to standard coal. The calculation method is as follows:

[0110] E ST =3.412 ÷ 10 8 ×∫c2ρ2V2(T y -T0) (6)

[0111] In the formula, E ST ρ1 is the waste heat recovery rate, in tce; c2 is the isobaric specific heat capacity of the heated medium, in kJ / (kg·℃); ρ2 is the density of the heated medium, in kg / m³. 3 V2 is the volume of the heated medium, in cubic meters (m³). 3 ;T y T0 and T0 represent the temperatures of the heated medium before and after heat exchange, respectively, in °C.

[0112] Step 7: Calculate geothermal utilization. Geothermal utilization is calculated based on the amount of natural gas and electricity replaced by geothermal energy. The calculation method is as follows:

[0113] E UT =Q gas ×13.3+Q e ×1.229 (7)

[0114] In the formula, E UT Q represents geothermal energy utilization, measured in tons per tonne (tce). gas The volume of geothermal energy used to replace natural gas is expressed in units of 10. 4 m 3 Q e The amount of electricity used as a substitute is expressed in units of 10. 4 kWh.

[0115] Step 8: Calculate the heat pump utilization rate. The heat pump utilization rate is calculated based on the installed power, COP value, and actual operating time of the heat pump. The calculation method is as follows:

[0116] E HP =1.229÷10000×∫P HP h HP (COP-1) (8)

[0117] In the formula, E HP Heat pump utilization, measured in tce; P HP The installed power of the heat pump is expressed in kW; COP is the coefficient of performance of the heat pump, which characterizes the ratio of the heat pump's output power to its input power and is dimensionless; h HP This represents the actual operating time of the heat pump, in hours (h).

[0118] Step 9: Calculate the clean energy utilization rate. Based on the previously calculated photovoltaic, solar thermal, wind power, waste pressure, waste heat, geothermal, and heat pump utilization rates, calculate the clean energy utilization rate. The calculation method is as follows:

[0119] E = E PV +E PT +E wind +E SP +E ST +E UT +E HP (9)

[0120] In the formula, E represents the amount of clean energy utilized, measured in tce.

[0121] Optionally, the installed capacity of photovoltaics can be based on the power on the AC side, but the capacity ratio needs to be included in the calculation.

[0122] Generally, the photothermal energy in this invention is not used for power generation.

[0123] Optionally, the specific form of utilizing surplus pressure can be surplus pressure power generation or surplus pressure work.

[0124] Optionally, the calculation methods for waste heat utilization and heat pump utilization can be based on the required accuracy, either using calculus or approximate calculation using average values.

[0125] Generally, geothermal energy can be used as an alternative to natural gas or electricity.

[0126] Generally, the COP value of a heat pump is greater than 1.

[0127] Optionally, depending on the actual utilization of clean energy, several of the seven utilization methods, such as photovoltaic and solar thermal, may exist. However, at least one of them should exist.

[0128] This application provides a method for calculating clean energy utilization. This method can calculate the utilization of seven types of clean energy and finally obtain the total clean energy utilization. The calculation process of clean energy utilization will be described in detail below:

[0129] Data on clean energy projects of enterprises or regions are obtained through automatic collection or manual statistics, and classified according to seven methods.

[0130] The utilization of photovoltaic power is calculated according to formula (1) based on the photovoltaic installed capacity, annual equivalent utilization time, and electricity conversion coefficient to standard coal.

[0131] The solar thermal utilization is calculated according to formula (2) based on the solar thermal installed capacity, annual equivalent utilization time, and standard coal equivalent coefficient.

[0132] Based on the wind power installed capacity, annual equivalent utilization time, and electricity conversion coefficient to standard coal, the residual pressure utilization is calculated according to formula (3).

[0133] Depending on the method of utilizing residual pressure, the amount of residual pressure utilized can be calculated according to formula (4) or (5).

[0134] The amount of waste heat utilization is calculated according to formula (6) based on the volume of the heated medium, the temperature difference before and after heat exchange, the specific heat capacity at constant pressure and the coefficient of heat conversion to standard coal.

[0135] The amount of geothermal energy used is calculated according to formula (7) based on the amount of natural gas and electricity replaced by geothermal energy.

[0136] The heat pump utilization is calculated according to formula (8) based on the installed power, COP value, and actual operating time of the heat pump.

[0137] Based on the results of the above solution, the sum of the seven utilization quantities is calculated according to formula (9) to obtain the clean energy utilization quantity.

[0138] Example:

[0139] An oil and gas field company in Southwest my country has been continuously carrying out low-carbon transformation and actively utilizing clean energy. In 2023, its installed photovoltaic capacity reached 15,000 kWp, with an annual equivalent utilization time of 1,400 hours. Its installed wind power capacity was 3,000 kW, with an annual equivalent utilization time of 2,500 hours. Its waste heat power generation capacity was 3,000 kW, with an operating time of 7,000 hours. Waste heat was used to heat 40,000 cubic meters of natural gas from 5°C to 25°C for a total of 330 days. Its air source heat pump capacity was 800 kW, with an annual actual operating time of 8,000 hours and a COP value of 3. There was no geothermal or solar thermal utilization. Calculate the clean energy utilization of this oil and gas field company to provide a reference for the next step in implementing clean energy substitution.

[0140] The first step is to collect data and information. This includes: P PV =15000kWp,h PV =1400h; P wind =3000kW,h wind =2500h; P SP =3000kW,h SP =7000h; V2=40000m3, T y =25℃, T0=5℃; P HP =800kW, COP=3, h HP =8000h.

[0141] The second step is to calculate the photovoltaic utilization E using formula (1) based on the collected data. PV =6300tce.

[0142] The third step is to calculate the light and heat utilization rate E using formula (2). PT =0.

[0143] The fourth step is to calculate the wind energy utilization amount E using formula (3). wind =2250tce.

[0144] Fifth step, calculate the residual pressure utilization amount E using formula (4). SP =7200tce.

[0145] Step 6: Calculate the waste heat utilization using formula (6). Since the specific heat capacity and density of natural gas at constant pressure are unavailable, empirical values ​​are used. c2 = 2.1516 kJ / (kg·℃), ρ2 = 0.7174 kg / m³ 3 Then E ST =13.9tce.

[0146] Step 7: Solve for the geothermal utilization rate E using formula (7). UT =0

[0147] Step 8: Solve for the heat pump utilization E using formula (8). HP =1573.12tce.

[0148] Finally, the clean energy utilization amount E = 17337.02tce is obtained from formula (9).

[0149] Therefore, the oil and gas field company utilized five types of clean energy, with a clean energy utilization of 17,337.02 tce, equivalent to a reduction of 45,076.25 tons of carbon dioxide emissions.

[0150] See Figure 3 This invention discloses a system for calculating clean energy utilization, comprising:

[0151] The data acquisition unit collects data, including clean energy project design data and equipment operation data.

[0152] The clean energy type classification unit classifies the data and determines the types of clean energy.

[0153] A single clean energy utilization calculation unit calculates the utilization of each type of clean energy based on the data and the type of clean energy.

[0154] The total clean energy utilization calculation unit calculates the total clean energy utilization based on the utilization of each type of clean energy.

[0155] This system requires relatively little data, calculates parameters quickly and conveniently, boasts high accuracy, and is highly portable. It solves the current problem of lacking a mature and reliable calculation method for rapidly and accurately calculating clean energy utilization. The system's calculation process is clear and intuitive, and the results are accurate and practical. It can be used to evaluate the actual situation of clean energy utilization, providing enterprises with accurate information to understand and grasp their own clean energy utilization status. It also provides technical support and decision-making basis for enterprises to carry out low-carbon transformation based on clean energy and formulate clean energy utilization plans.

[0156] See Figure 4 A third objective of this invention is to provide an electronic device, including a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor executes the computer program to implement the steps of the method for calculating clean energy utilization.

[0157] The method for calculating clean energy utilization includes the following steps:

[0158] Data collection; the data includes clean energy project design data and equipment operation data;

[0159] The data is then categorized to determine the types of clean energy.

[0160] The utilization rate of each type of clean energy is calculated based on the data and the types of clean energy.

[0161] The total clean energy utilization is calculated based on the utilization of each type of clean energy.

[0162] A fourth objective of this invention is to provide a computer-readable storage medium storing a computer program that, when executed by a processor, implements the steps of the method for calculating clean energy utilization.

[0163] The method for calculating clean energy utilization includes the following steps:

[0164] Data collection; the data includes clean energy project design data and equipment operation data;

[0165] The data is then categorized to determine the types of clean energy.

[0166] The utilization rate of each type of clean energy is calculated based on the data and the types of clean energy.

[0167] The total clean energy utilization is calculated based on the utilization of each type of clean energy.

[0168] Those skilled in the art will understand that embodiments of the present invention can be provided as methods, systems, or computer program products. Therefore, the present invention can take the form of a completely hardware embodiment, a completely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present invention can take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, etc.) containing computer-usable program code.

[0169] This invention is described with reference to flowchart illustrations and / or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each block of the flowchart illustrations and / or block diagrams, and combinations of blocks in the flowchart illustrations and / or block diagrams, can be implemented by computer program instructions. These computer program instructions can be provided to a processor of a general-purpose computer, special-purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, generate instructions for implementing the flowchart illustrations and / or block diagrams. Figure 1 One or more processes and / or boxes Figure 1 A device that provides the functions specified in one or more boxes.

[0170] These computer program instructions may also be stored in a computer-readable storage medium that can direct a computer or other programmable data processing device to function in a particular manner, such that the instructions stored in the computer-readable storage medium produce an article of manufacture including instruction means, which are implemented in a process Figure 1 One or more processes and / or boxes Figure 1 The function specified in one or more boxes.

[0171] These computer program instructions may also be loaded onto a computer or other programmable data processing equipment to cause a series of operational steps to be performed on the computer or other programmable equipment to produce a computer-implemented process, thereby providing instructions that execute on the computer or other programmable equipment for implementing the process. Figure 1 One or more processes and / or boxes Figure 1 The steps of the function specified in one or more boxes.

[0172] The above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Various modifications and variations can be made to the present invention by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the scope of protection of the present invention.

Claims

1. A method for calculating clean energy utilization, characterized in that, include: Collect clean energy project data; The clean energy project data is classified to obtain different types of clean energy project data and to determine the type of clean energy corresponding to each type of clean energy project data. The utilization rate of each type of clean energy is calculated based on the project data and types of clean energy. The total clean energy utilization is calculated based on the utilization of each type of clean energy.

2. The method for calculating clean energy utilization according to claim 1, characterized in that, The types of clean energy include clean energy generated by photovoltaics, solar thermal, wind power, waste pressure, waste heat, geothermal energy, or heat pumps; the utilization amount of clean energy includes photovoltaic utilization, solar thermal utilization, wind power utilization, waste pressure utilization, waste heat utilization, geothermal energy utilization, or heat pump utilization.

3. The method for calculating clean energy utilization according to claim 2, characterized in that, The photovoltaic utilization rate is calculated through the following steps: The utilization of clean energy generated by photovoltaic power can be calculated based on the installed capacity, annual equivalent utilization time, and standard coal equivalent coefficient of electricity generation. Among them, E PV Photovoltaic utilization, unit: tce; P PV The installed capacity of photovoltaic DC side is expressed in kWp; h PV The annual equivalent utilization time of photovoltaics is expressed in hours (h). The annual equivalent utilization time refers to the total time that photovoltaic modules operate at their rated power each year. The photothermal utilization rate is calculated through the following steps: Solve for solar thermal utilization based on the installed capacity, annual equivalent utilization time, and standard coal equivalent coefficient: Among them, E PT Photothermal utilization, measured in tce; P PT The installed capacity of concentrated solar power (CSP) is expressed in kW or h. PT The equivalent utilization time of solar thermal year is expressed in hours. The wind power utilization is calculated through the following steps: The wind power utilization is calculated based on the wind power installed capacity, annual equivalent utilization time, and standard coal equivalent coefficient of electricity. Among them, E wind P represents wind power utilization, measured in tce. wind Wind power installed capacity, in kW; h wind The annual equivalent utilization time of wind power is expressed in hours (h).

4. The method for calculating clean energy utilization according to claim 3, characterized in that, The residual pressure utilization amount is calculated through the following steps: According to the form of energy conversion, residual pressure is divided into residual pressure power generation and residual pressure work. When generating electricity from residual pressure, the amount of residual pressure utilized is calculated based on the installed capacity, annual equivalent utilization time, and the standard coal equivalent coefficient for electricity consumption: Among them, E SP This refers to residual pressure utilization, expressed in tce; P SP The installed capacity of the waste pressure power generation system is expressed in kW; h SP The equivalent utilization time of the surplus pressure per year is expressed in hours. When work is done on residual pressure, the residual pressure utilization amount is calculated based on the power of the equipment driven by the work, the actual operating time, and the standard coal equivalent coefficient: Among them, E SP P1 represents the residual pressure utilization amount, in tce; P2 represents the power of the equipment driven by the residual pressure, in kW; h1 represents the actual operating time of the equipment driven by the residual pressure, in h.

5. The method for calculating clean energy utilization according to claim 4, characterized in that, The waste heat utilization rate is calculated through the following steps: The waste heat utilization amount can be calculated based on the volume of the heated medium, the temperature difference before and after heat exchange, the specific heat capacity at constant pressure, and the heat conversion factor to standard coal. E ST =3.412÷10 8 ×∫c2ρ2V2(T y -T0) (6) Among them, E ST ρ1 is the waste heat recovery rate, in tce; c2 is the isobaric specific heat capacity of the heated medium, in kJ / (kg·℃); ρ2 is the density of the heated medium, in kg / m³. 3 V2 is the volume of the heated medium, in cubic meters (m³). 3 ;T y T0 and T0 represent the temperatures of the heated medium before and after heat exchange, respectively, in °C. The geothermal utilization rate is calculated through the following steps: Geothermal utilization is calculated based on the amount of natural gas and electricity replaced by geothermal energy. E UT =Q gas ×13.3+Q e ×1.229 (7) Among them, E UT Q represents geothermal energy utilization, measured in tons per tonne (tce). gas The volume of geothermal energy used to replace natural gas is expressed in units of 10. 4 m 3 Q e The amount of electricity used as a substitute is expressed in units of 10. 4 kWh.

6. The method for calculating clean energy utilization according to claim 5, characterized in that, The heat pump utilization rate is calculated through the following steps: The utilization rate of a heat pump is calculated based on its installed capacity, COP value, and actual operating time. It is HP =1.229÷10000×∫P HP h HP (COP-1) (8) Among them, E HP Heat pump utilization, measured in tce; P HP The installed power of the heat pump is expressed in kW; COP is the coefficient of performance of the heat pump, which characterizes the ratio of the heat pump's output power to its input power and is dimensionless; h HP This represents the actual operating time of the heat pump, in hours (h).

7. The method for calculating clean energy utilization according to claim 6, characterized in that, The calculation of total clean energy utilization based on the utilization of each type of clean energy specifically includes: Based on the already calculated photovoltaic utilization, solar thermal utilization, wind power utilization, waste pressure utilization, waste heat utilization, geothermal utilization, and heat pump utilization, calculate the total clean energy utilization. E=E PV +E PT +E wind +E SP +E ST +E UT +E HP (9) Where E represents the total clean energy utilization, measured in tce.

8. A system for calculating clean energy utilization, characterized in that, include: The data acquisition unit collects data. The data includes project design data and equipment operation data for clean energy; The clean energy type classification unit classifies the data and determines the types of clean energy. A single clean energy utilization calculation unit calculates the utilization of each type of clean energy based on the data and the type of clean energy. The total clean energy utilization calculation unit calculates the total clean energy utilization based on the utilization of each type of clean energy.

9. An electronic device comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor executes the computer program to implement the steps of the method for calculating clean energy utilization according to any one of claims 1-7.

10. A computer-readable storage medium storing a computer program that, when executed by a processor, implements the steps of the method for calculating clean energy utilization according to any one of claims 1-7.