A method for calculating carbon emissions over the entire life cycle of communication base station infrastructure

Abstract

The present invention relates to a method for calculating carbon emissions over the entire life cycle of a communication base station infrastructure, comprising the following steps: step 1, dividing the entire life cycle of a communication base station into stages; step 2, respectively calculating the carbon emissions of each stage; step 3, summing the carbon emissions of each stage to obtain the carbon emissions over the entire life cycle of the communication base station; the method for calculating carbon emissions over the entire life cycle of the communication base station infrastructure is conducive to accurately understanding the carbon emission level of the communication base station, and by measuring and monitoring the carbon emission level of the communication base station, accurate data can be obtained to understand the carbon emissions of the communication base station. This helps to establish a benchmark for carbon emissions and provide a clear direction for future carbon reduction plans and measures.

Description

Technical Field

[0001] The present invention belongs to the field of communication technology, and in particular relates to a method for calculating carbon emissions over the entire life cycle of a communication base station infrastructure. Background Art

[0002] Globally, communication base stations play a vital role as providers of indispensable communication tools in people's lives. However, the construction, operation and maintenance of communication base stations not only require huge equipment and energy support, but also generate carbon emissions. Therefore, it is crucial to accurately and sustainably measure and manage the carbon emissions of communication base stations. Summary of the invention

[0003] The present invention provides a method for calculating carbon emissions over the entire life cycle of a communication base station infrastructure, comprising the following steps:

[0004] Step 1: Divide the entire life cycle of a communication base station into stages;

[0005] Step 2: Calculate the carbon emissions at each stage;

[0006] Step 3: Sum the carbon emissions at each stage to obtain the carbon emissions of the communication base station over its entire life cycle.

[0007] Furthermore, the communication base station life cycle stages divided in step 1 include an early stage, a construction stage, an operation stage, and a scrapping stage.

[0008] Furthermore, the carbon emissions E in the previous stage 前期 The calculation is as follows:

[0009]

[0010] Among them, E 前期 Indicates the carbon dioxide emissions in the early stage, AC i represents the carbon dioxide emissions of the ith activity, in kilograms of carbon dioxide equivalent; where

[0011]

[0012] Among them, AC i represents the carbon dioxide emissions of the ith activity, PT i It represents the number of people who participated in the i-th activity, in units of people; D i EFp represents the road mileage of the vehicle in the i-th activity, in kilometers (km); i It represents the fuel emission of transportation in the ith activity, in kg CO2 equivalent / (person·km).

[0013] Furthermore, the carbon dioxide emissions of the i-th activity AC i The calculation can also be shown as follows:

[0014]

[0015] Among them, NT i The number of times you visit the activity, the frequency of a single activity is 1; D i Indicates the road mileage of the vehicle in the i-th activity, in kilometers (km); OI i EFv represents the average fuel consumption per kilometer of the car in the i-th activity, in liters (L); i It represents the fossil fuel carbon emission coefficient of the ith activity, in kg CO2 / (L).

[0016] Furthermore, the carbon emissions during the construction phase are 建设 The calculation is as follows:

[0017] E 建设 =E 交通 +E 运输 +E 机械 +E 临电 (4);

[0018] in:

[0019]

[0020] Among them, E 交通 represents the carbon dioxide emissions generated by construction workers’ transportation to the station, NT represents the number of times construction workers visited the station; D i Indicates the road mileage of the vehicle in the i-th activity, in kilometers (km); OI i EFv represents the average fuel consumption per kilometer of the car in the i-th activity, in liters (L); i The fossil fuel carbon emission factor for the ith activity, in kg CO2 / (L);

[0021]

[0022] Among them, E 运输 represents the carbon emissions from material transportation, NT represents the number of times the activity is performed, and the frequency of a single activity is 1; D j Indicates the road mileage of the jth transport vehicle, in kilometers (km); OI j EFv represents the average fuel consumption per kilometer of the j-th transport vehicle, in liters (L); j Carbon emission coefficient of fossil fuel for the jth transport, in kg CO2 / (L);

[0023]

[0024] Among them, E 机械 Indicates the carbon emissions of fuel used by various vehicles and machinery during construction, EN i Indicates the number of shifts required to complete the i-th construction process; OI i EFv represents the fuel consumption per shift of the i-th construction process; i represents the carbon emission coefficient of mechanical fossil fuels in the i-th construction process, in kg CO2 equivalent / (person·km);

[0025] E 临电 =E 电 (8)

[0026] E 电 =AD 电 ×EF 电网 (9);

[0027] Among them, E 临电 represents the carbon dioxide emissions from temporary electricity consumption, E 电 It represents the total amount of carbon dioxide emissions generated by the net purchase of electricity, in tons of carbon dioxide equivalent, AD 电 It is expressed as the net amount of electricity purchased by the communication base station, in megawatt-hours (MWh); EF 电网 It is expressed as the average annual power supply emission factor of the regional power grid, in tons of carbon dioxide equivalent / MWh, AD 电 It means that the net amount of electricity purchased by the communication base station is the actual usage of the base station.

[0028] Furthermore, the temporary electricity carbon dioxide emissions E 临电 It can also be calculated using the following formula:

[0029] E 临电 =E 燃烧 (10);

[0030]

[0031] Among them, E 燃烧 Indicates the total amount of carbon dioxide emissions generated by the combustion of fuel consumed by communication base stations for power generation, in tons of carbon dioxide equivalent; AD 燃料i represents the activity data of the i-th fuel, in gigajoules (GJ); EF 燃料i represents the CO2 emission factor of the ith fuel, in tons of CO2 equivalent / GJ;

[0032] AD 燃料i =NCV i ×FC i (14);

[0033] Among them, NCV iIt represents the average lower calorific value of the i-th fuel. For solid or liquid fuel, the unit is GJ / t; for gaseous fuel, the unit is GJ / 104Nm3t; FC i represents the consumption of the i-th fossil fuel, in tons (t);

[0034]

[0035] Among them, CC i Indicates the carbon content per unit calorific value of the i-th fuel, in tons of carbon per gigajoules (tC / GJ); i represents the carbon oxidation rate of the ith fuel, expressed in %; Expresses the ratio of the relative molecular masses of carbon dioxide and carbon.

[0036] Furthermore, the carbon emissions during the operation phase are 运营 The calculation is as follows:

[0037] E 运营 =E 巡检 +E 燃烧发电 +E 发电交通 +E 空调 +E 电 (12); among which:

[0038]

[0039] Among them, E 巡检 represents the carbon emissions of patrol personnel, NT represents the number of times patrol personnel visit the station; D q Indicates the road mileage of the vehicle during the qth inspection activity, in kilometers (km); OI q EFv represents the average fuel consumption per kilometer of the vehicle during the qth inspection, in liters (L); q The fossil fuel carbon emission coefficient of the vehicle for the qth inspection, in kg CO2 / (L);

[0040] E 空调 =(IE+S-DE)×GWP×CF (16);

[0041] Among them, E 空调 It represents the fugitive carbon dioxide emissions of air-conditioning chemicals, in kilograms of carbon dioxide equivalent; IE represents the installed quantity (the amount of coolant when the equipment is installed), in kilograms; S represents the filling quantity (the amount of coolant added within the service life), in kilograms; DE represents the disposal and recovery quantity (the amount of coolant recovered from scrapped equipment), in kilograms; GWP represents the 100-year global warming potential of the refrigerant; CF represents the conversion factor from kg to t, 1t / 1000kg.

[0042] Furthermore, the carbon emissions during the scrapping phase are 报废 The calculation is as follows:

[0043] E 报废 =E 活动 +E 交通 +E 运输 +E 机械 +E 临电 +E 废物 (17).

[0044] Furthermore, the carbon emissions E of the communication base station over its entire life cycle are calculated using the following formula:

[0045] E=E 前期 +E 建设 +E 运输 +E 报废 (18).

[0046] Beneficial effects of the present invention: The method for calculating carbon emissions during the entire life cycle of a communication base station infrastructure provided by the present invention has the following advantages:

[0047] Accurately understand carbon emission levels: By measuring and monitoring the carbon emission levels of communication base stations, accurate data can be obtained to understand the carbon emissions of communication base stations. This helps to establish a baseline for carbon emissions and provide a clear direction for future carbon reduction plans and measures.

[0048] Formulate scientific emission reduction strategies: Understand the specific situation of carbon emissions and formulate more scientific and reasonable emission reduction strategies. Based on accurate data, it is possible to identify which communication base stations have higher carbon emissions in order to reduce carbon emissions.

[0049] Promoting energy efficiency: Through carbon emission measurement research, it is possible to identify which base stations have relatively low energy efficiency, so that measures can be taken to improve equipment configuration, operation management, and the application of energy-saving technologies. This helps to improve the energy efficiency of communication base stations and reduce carbon emissions. DETAILED DESCRIPTION

[0050] In order to further illustrate the technical means and effects adopted by the present invention to achieve the predetermined purpose, the specific implementation methods, structural features and effects of the present invention are described in detail below and in the examples.

[0051] The technical solutions in the embodiments of the present invention are described clearly and completely below. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0052] Example 1

[0053] This embodiment provides a method for calculating carbon emissions over the entire life cycle of a communication base station infrastructure, including the following steps:

[0054] Step 1: Divide the entire life cycle of a communication base station into stages;

[0055] Step 2: Calculate the carbon emissions at each stage;

[0056] Step 3: Sum the carbon emissions at each stage to obtain the carbon emissions of the communication base station over its entire life cycle.

[0057] Furthermore, the communication base station life cycle stages divided in step 1 include the early stage, the construction stage, the operation stage, and the scrapping stage:

[0058] Carbon emissions in the early stages

[0059] The work involved in the early stage of construction mainly includes site planning, site acquisition, survey and design, site lease signing, design briefing, etc. The carbon emissions generated in the early stage are mainly carbon emissions generated by the traffic fuel going to the station during various work contents. The main units involved are civil engineering design institute, tower mast design institute, supporting design institute, power design institute, geological survey design institute, construction unit, etc.

[0060] Carbon emissions during construction

[0061] The construction phase of a communication base station includes civil construction, tower and mast construction, supporting construction, external power supply construction, new construction and expansion of tower and mast and computer room. The units mainly involved in the construction phase of a communication base station include civil construction units, tower and mast construction units, supporting construction units, external power supply construction units, construction units, supervision units, design units, etc.

[0062] The carbon emissions generated during the construction phase are mainly direct emissions from the fuel used for transportation of personnel from various units to the station, carbon emissions from vehicle fuel used during the transportation of construction equipment and materials, carbon emissions from the use of explosives, carbon emissions from the use of mechanical fuel during the construction process, as well as indirect carbon emissions from temporary purchase of electricity during the construction process.

[0063] Carbon emissions during operation

[0064] The operation phase mainly involves the operation of communication equipment, base station energy consumption management, equipment maintenance, daily inspection of base stations, power generation, etc. The units involved in the operation phase include construction units and operation and maintenance units. The carbon emissions generated are mainly indirect carbon emissions from purchased electricity, carbon emissions from power generation fuel, carbon emissions from chemical emissions from refrigeration equipment, and carbon emissions from daily inspection of base stations, equipment maintenance, and transportation fuel.

[0065] Carbon emissions at the end-of-life stage

[0066] The scrapping stage mainly involves the removal of towers and masts, supporting facilities, and civil engineering. The scrapping stage in this research report is mainly divided into the period after the base station stops being used due to the scrapping period.

[0067] The units mainly involved in the scrapping stage include the owner unit, supervision unit, construction unit and design unit.

[0068] The carbon emissions generated during the scrapping stage are mainly fuel emissions from the transportation of personnel from various units to the station, fuel emissions during the transportation of demolition equipment and materials, fuel emissions from the use of machinery during the demolition process, and indirect carbon emissions generated by temporary purchase of electricity during the demolition process.

[0069] Furthermore, the carbon emissions E in the previous stage 前期 The calculation is as follows:

[0070]

[0071] Among them, E 前期 Indicates the carbon dioxide emissions in the early stage, AC i represents the carbon dioxide emissions of the ith activity, in kilograms of carbon dioxide equivalent; where

[0072]

[0073] Among them, AC i represents the carbon dioxide emissions of the ith activity, PT i It represents the number of people who participated in the i-th activity, in units of people; D i EFp represents the road mileage of the vehicle in the i-th activity, in kilometers (km); i It represents the fuel emission of transportation in the ith activity, in kg CO2 equivalent / (person·km).

[0074] Furthermore, the carbon dioxide emissions of the i-th activity AC i The calculation can also be shown as follows:

[0075]

[0076] Among them, NT i The number of times you visit the activity, the frequency of a single activity is 1; D i Indicates the road mileage of the vehicle in the i-th activity, in kilometers (km); OI i EFv represents the average fuel consumption per kilometer of the car in the i-th activity, in liters (L); i It represents the fossil fuel carbon emission coefficient of the ith activity, in kg CO2 / (L).

[0077] Should we use formula (2) or formula (3) to calculate the carbon dioxide emissions AC of the i-th activity?i , you can choose according to whether you take public transportation. If you take public transportation, choose formula (2) to calculate the carbon dioxide emissions AC of the ith activity. i If you do not take public transportation to the previous stop, use formula (3) to calculate the carbon dioxide emissions of the i-th activity AC i .

[0078] Furthermore, the carbon emissions during the construction phase are 建设 The calculation is as follows:

[0079] E 建设 =E 交通 +E 运输 +E 机械 +E 临电 (4);

[0080] in:

[0081]

[0082] Among them, E 交通 represents the carbon dioxide emissions generated by construction workers’ transportation to the station, NT represents the number of times construction workers visited the station; D i Indicates the road mileage of the vehicle in the i-th activity, in kilometers (km); OI i EFv represents the average fuel consumption per kilometer of the car in the i-th activity, in liters (L); i The fossil fuel carbon emission factor for the ith activity, in kg CO2 / (L);

[0083] The above formula (5) assumes that the construction unit has its own vehicles. If the construction unit personnel use public transportation for a certain activity, the following formula is used for measurement:

[0084]

[0085] Among them, PT i It represents the number of people who participated in the i-th activity, in units of people; D i EFp represents the road mileage of the vehicle in the i-th activity, in kilometers (km); i It represents the fuel emission of transportation in the ith activity, in kg CO2 equivalent / (person·km).

[0086] Carbon emissions from material transportation are mainly fuel emissions generated by vehicles during the transportation of construction materials.

[0087] A variety of materials are used in various processes such as civil construction, tower masts, supporting facilities, computer rooms and foundations of communication base stations. The materials are mainly divided into the following categories: materials supplied by Party A, materials supplied by Party B, supporting equipment and materials for computer rooms, etc.

[0088] If the actual transportation distance is known, the carbon emissions from material transportation can be calculated as follows:

[0089]

[0090] Among them, E 运输 represents the carbon emissions from material transportation, NT represents the number of times the activity is performed, and the frequency of a single activity is 1; D j Indicates the road mileage of the jth transport vehicle, in kilometers (km); OI j EFv represents the average fuel consumption per kilometer of the j-th transport vehicle, in liters (L); j Carbon emission coefficient of fossil fuel for the jth transport, in kg CO2 / (L).

[0091] During the construction phase of communication base stations, there are many construction processes for different types of base stations, and each construction unit has different construction processes for the same content. In this embodiment, the construction process content in the "Information and Communication Construction Project Cost Quota" is uniformly used for mechanical accounting:

[0092]

[0093] Among them, E 机械 Indicates the carbon emissions of fuel used by various vehicles and machinery during construction, EN i Indicates the number of shifts required to complete the i-th construction process; OI i EFv represents the fuel consumption per shift of the i-th construction process; i represents the carbon emission coefficient of mechanical fossil fuels in the i-th construction process, in kg CO2 equivalent / (person·km);

[0094] If the source of mechanical electricity used during construction activities is purchased electricity, the following formula is used to calculate the carbon dioxide emissions from temporary electricity use:

[0095] E 临电 =E 电 (8)

[0096] E 电 =AD 电 ×EF 电网 (9);

[0097] Among them, E 临电 represents the carbon dioxide emissions from temporary electricity consumption, E 电 It represents the total amount of carbon dioxide emissions generated by the net purchase of electricity, in tons of carbon dioxide equivalent, AD 电 It is expressed as the net amount of electricity purchased by the communication base station, in megawatt-hours (MWh); EF 电网It is expressed as the average annual power supply emission factor of the regional power grid, in tons of carbon dioxide equivalent / MWh, AD 电 It means that the net amount of electricity purchased by the communication base station is the actual usage of the base station.

[0098] If diesel or gasoline generators are used as a source of electricity during construction activities, the following formula is used to calculate the carbon dioxide emissions from temporary electricity use:

[0099] Furthermore, the temporary electricity carbon dioxide emissions E 临电 Use the following formula to calculate:

[0100] E 临电 =E 燃烧 (10);

[0101]

[0102] Among them, E 燃烧 Indicates the total amount of carbon dioxide emissions generated by the combustion of fuel consumed by communication base stations for power generation, in tons of carbon dioxide equivalent; AD 燃料i represents the activity data of the i-th fuel, in gigajoules (GJ); EF 燃料i represents the CO2 emission factor of the ith fuel, in tons of CO2 equivalent / GJ;

[0103] AD 燃料i =NCV i ×FC i (14);

[0104] Among them, NCV i It represents the average lower calorific value of the i-th fuel. For solid or liquid fuel, the unit is GJ / t; for gaseous fuel, the unit is GJ / 104Nm3t; FC i represents the consumption of the i-th fossil fuel, in tons (t);

[0105]

[0106] Among them, CC i Indicates the carbon content per unit calorific value of the i-th fuel, in tons of carbon per gigajoules (tC / GJ); i represents the carbon oxidation rate of the ith fuel, expressed in %; Expresses the ratio of the relative molecular masses of carbon dioxide and carbon.

[0107] Furthermore, the carbon emissions during the operation phase are 运营 The calculation is as follows:

[0108] E 运营 =E 巡检 +E燃烧发电 +E 发电交通 +E 空调 +E 电 (12); among which:

[0109]

[0110] Among them, E 巡检 represents the carbon emissions of patrol personnel, NT represents the number of times patrol personnel visit the station; D q Indicates the road mileage of the vehicle during the qth inspection activity, in kilometers (km); OI q EFv represents the average fuel consumption per kilometer of the vehicle during the qth inspection, in liters (L); q The fossil fuel carbon emission coefficient of the vehicle for the qth inspection, in kg CO2 / (L);

[0111] E 空调 =(IE+S-DE)×GWP×CF (16);

[0112] Among them, E 空调 It represents the fugitive carbon dioxide emissions of air-conditioning chemicals, in kilograms of carbon dioxide equivalent; IE represents the installed quantity (the amount of coolant when the equipment is installed), in kilograms; S represents the filling quantity (the amount of coolant added within the service life), in kilograms; DE represents the disposal and recovery quantity (the amount of coolant recovered from scrapped equipment), in kilograms; GWP represents the 100-year global warming potential of the refrigerant; CF represents the conversion factor from kg to t, 1t / 1000kg.

[0113] In addition, E 燃烧发电 Using equations (11), (14), and (15), E 发电交通 Using formula (5) to calculate, E 电 The calculation is performed using formula (9), which will not be described again in this embodiment.

[0114] Furthermore, the carbon emissions during the scrapping phase are 报废 The calculation is as follows:

[0115] E 报废 =E 活动 +E 交通 +E 运输 +E 机械 +E 临电 +E 废物 (17).

[0116] Among them, E 活动 Using formula (3) to calculate, E 交通 Using formula (5) to calculate, E 运输 Using formula (6) to calculate, E机械 Using formula (7) to calculate, E 临电 Use formula (8) or formula (10) for calculation; it should be noted that E 废物 Calculation method:

[0117] E 废物 Includes all waste generated during the construction, operation and decommissioning stages, including various equipment packaging during the construction stage and various wastes removed during the decommissioning stage. The waste emission factor comes from the IPCC, which has developed a waste model for countries to obtain data on greenhouse gas emissions during waste treatment. According to Volume 5 of the 2006 IPCC Guidelines for National Greenhouse Gas Inventories, waste.

[0118] CO2 emission factors for waste - landfill, incineration, anaerobic decomposition

[0119]

[0120] Waste CO2 emission factors - Landfill emission factors for different wastes

[0121]

[0122] This value is based on IPCC default values ​​for degradable organic matter in each waste, methane generation rate and other default values. The emission factor for the landfill is based on the IPCC model's assumption of 50 years of degradation. The results for the landfill show that wastes that degrade quickly and have a low carbon content (such as food and garden waste) produce less emissions per unit weight than wastes that degrade slowly and have a high carbon content (such as paper and wood).

[0123] The types of waste generated at each stage of this embodiment and their disposal methods are as follows:

[0124]

[0125] The only inorganic materials that need to be disposed of are building concrete, bricks, etc., which do not generate carbon emissions when landfilled. The optimal waste treatment method for the entire life cycle of base stations does not generate greenhouse gas emissions. However, in the actual production process, on-site personnel will randomly discard the packaging of various equipment without recycling it.

[0126] Furthermore, the carbon emissions E of the communication base station over its entire life cycle are calculated using the following formula:

[0127] E=E 前期 +E 建设 +E 运输 +E 报废 (18).

[0128] In summary, the method for calculating carbon emissions over the entire life cycle of a communication base station infrastructure provided by the present invention has the following advantages:

[0129] Accurately understand carbon emission levels: By measuring and monitoring the carbon emission levels of communication base stations, accurate data can be obtained to understand the carbon emissions of communication base stations. This helps to establish a baseline for carbon emissions and provide a clear direction for future carbon reduction plans and measures.

[0130] Formulate scientific emission reduction strategies: Understand the specific situation of carbon emissions and formulate more scientific and reasonable emission reduction strategies. Based on accurate data, it is possible to identify which communication base stations have higher carbon emissions in order to reduce carbon emissions.

[0131] Promoting energy efficiency: Through carbon emission measurement research, it is possible to identify which base stations have relatively low energy efficiency, so that measures can be taken to improve equipment configuration, operation management, and the application of energy-saving technologies. This helps to improve the energy efficiency of communication base stations and reduce carbon emissions.

[0132] Example 2

[0133] This embodiment calculates the carbon emissions generated by various activities during the entire life cycle of a communication base station infrastructure, including the following steps:

[0134] Step 1: Assume a communication base station type and give the basic data of each activity in each stage;

[0135] Step 2: Calculate the carbon emissions of each activity in each stage;

[0136] Step 3: Sum the carbon emissions of various activities to obtain the total carbon emissions of the communication base station over its entire life cycle.

[0137] First, in step 1, it is assumed that the data of each item of the communication base station is as follows:

[0138]

[0139]

[0140]

[0141] Note: The example shows a newly built communication base station, but in order to calculate the carbon emissions over the entire life cycle, some data during the operation and demolition stages are also given.

[0142] Secondly, the carbon emissions of various activities at each stage are calculated based on various assumptions and calculations:

[0143] Early stage:

[0144]

[0145] Using the Type 2 formula based on the assumed values:

[0146]

[0147] E 前期 =∑(AC i )

[0148] =NT1×D1×OI1×EFv1+NT2×D2×OI2×EFv2

[0149] =5×40×7 / 100×2.26+1×40×10 / 100×2.26

[0150] = 40.58 kg of carbon dioxide

[0151] Construction phase:

[0152] 1. Carbon emissions from transportation

[0153]

[0154] E 交通 =∑(AC i )

[0155] =AC 基础 +AC 塔桅 +AC 机房 +AC 配套

[0156] =(1+1+7+2)×40×10 / 100×2.26

[0157] = 109.384 kg of carbon dioxide

[0158] 2. Carbon emissions from material transportation

[0159]

[0160] Note: For simplicity of calculation, the same vehicle is used to transport various materials, but in actual work, statistics are conducted based on different vehicles.

[0161] E 交通 =(NT 基础 +NT 塔桅 +NT 机房 +NT 配套 )×D×OI×EFv

[0162] =(1+1+1+2)×40×30 / 100×2.73

[0163] = 163.8 kg of carbon dioxide

[0164] 3. Carbon emissions from construction machinery

[0165]

[0166] E 机械 =(EN 基础 ×OI 基础 ×EFv 基础 )+(EN 塔桅 ×OI 塔桅 ×EFv 塔桅 )+(EN 接

[0167] 地 ×OI 接地 ×EFv 接地 )

[0168] =(16×0.02×111×0.6671)+(0.47×110×2.73)+(6×0.05×30×0.6671+0.1×0.48×35×0.6671+0.1×0.77×30×0.6671)

[0169] = 173.502 kg of carbon dioxide

[0170] 4. Carbon emissions from temporary electricity use

[0171] During this phase of activities, temporary electricity was supplied by diesel generators, and carbon emissions were counted among the construction machinery.

[0172] Operational stage:

[0173] 1. Inspection of traffic carbon emissions

[0174]

[0175] E 机械 =(NT 年均 ×D×OI×EFv)×Service Life

[0176] =(2×40×10 / 100×2.26)×40

[0177] = 723.2 kg of carbon dioxide

[0178] 2. Carbon emissions from power generation fuel

[0179]

[0180] E 燃烧 =NCV×FC×CC×OF×44 / 12

[0181] =42.652×(0.0019×10×40)×0.0202×98%×44 / 12

[0182] = 2.347926 tons of carbon dioxide

[0183] = 2347.926 kg of carbon dioxide

[0184] 3. Carbon emissions from power generation and transportation

[0185]

[0186] E 燃烧 =D×OI×EFv×NT

[0187] =40×10 / 100×2.26×2×40

[0188] = 361.6 kg of carbon dioxide

[0189] The above is the known number of power outages per year. In actual work, some power outages occur during the driving to the station to generate electricity, and the power supply of the base station is normal. The calculation example is under the known confirmation. In actual work, the power outage probability statistical sample takes Lanzhou as an example. There are 7,381 physical tower base stations in Lanzhou. There were 27,078 power outages in 2022. Excluding abnormal data during power outages and some data with short power outages, maintenance personnel did not know the duration of the power outage at the beginning of the power outage. Driving to the power outage base station will also generate some traffic carbon emissions. For the convenience of calculation and statistics, this study determined that power outages less than 15 minutes were not counted, and the number of times a car needs to be dispatched to generate electricity was 15,087 times. From this, the average annual probability of power outages for traffic fuel carbon emissions for each base station in large quantities is 2.044 times / year.

[0190] 4. Fugitive carbon emissions from air conditioning chemicals

[0191] E 空调 =(IE+S-DE)×GWP×CF

[0192] E 空调 =(1.1+0.396-0.6776)×1188×1 / 1000×3+(1.1+0.132-0.7392)×

[0193] 1188×1 / 1000

[0194] = 3.502224 tons of carbon dioxide

[0195] = 3502.224 kg of carbon dioxide

[0196] 5. Carbon emissions from purchased electricity

[0197] E 电 =AD 电 ×EF 电网

[0198] E 电 =1095000×0.6671

[0199] = 730474.5 kg of carbon dioxide

[0200] 6. Carbon emissions from tower masts and supporting expansion

[0201]

[0202] E 扩建 =NT 勘查 ×D 勘查 ×OI 勘查 ×EF v勘查 +NT 交底 ×D 交底 ×OI 交底 ×EF v交底 +NT 施

[0203] 工 ×D 施工 ×OI 施工 ×EF v施工

[0204] =(1+1+1)×40×7 / 100×2.26+(1+1+1)×40×10 / 100×2.26+(1+1+1)×40×30 / 100×2.73

[0205] = 144.384 kg of carbon dioxide

[0206] Scrapping stage:

[0207] 1. Carbon emissions from on-site activities

[0208]

[0209] E 活动 =∑(AC i )

[0210] =NT×D×OI×EFv

[0211] =1×40×7 / 100×2.26

[0212] = 6.328 kg of carbon dioxide

[0213] 2. Carbon emissions from construction workers’ transportation

[0214]

[0215] E 交通 =NT×D×OI×EFv

[0216] =3×40×10 / 100×2.26

[0217] = 27.12 kg of carbon dioxide

[0218] 3. Carbon emissions from material transportation

[0219]

[0220] Note: For simplicity of calculation, the same vehicle is used to transport various materials, but in actual work, statistics are conducted based on different vehicles.

[0221] E 交通 =(NT 塔桅 +NT 机房 +NT 配套 )×D×OI×EFv

[0222] =(1+1+2)×40×30 / 100×2.73

[0223] = 131.04 kg of carbon dioxide

[0224] 4. Carbon emissions from construction machinery

[0225]

[0226] E 机械 =(EN 基础 ×OI 基础 ×EFv 基础 )

[0227] =0.47×110×2.73

[0228] = 141.141 kg of carbon dioxide

[0229] Finally, by summing up the carbon emissions of various activities in each stage of the calculation, the total carbon emissions of different activities in each stage of the entire life cycle of the communication base station can be obtained.

[0230] E=E 前期 +E 建设 +E 运营 +E 报废

[0231] =738346.729 kg of carbon dioxide

[0232] =738.346729 tons of carbon dioxide

[0233] Through the calculation method of carbon emissions over the entire life cycle of the communication base station infrastructure, the carbon emissions of the communication base station infrastructure can be monitored and counted over the entire life cycle, and the carbon emissions of the communication base station can be understood. This helps to establish a carbon emissions benchmark and provide a clear direction for future carbon reduction plans and measures.

[0234] The above contents are further detailed descriptions of the present invention in combination with specific preferred embodiments, and it cannot be determined that the specific implementation of the present invention is limited to these descriptions. For ordinary technicians in the technical field to which the present invention belongs, several simple deductions or substitutions can be made without departing from the concept of the present invention, which should be regarded as falling within the protection scope of the present invention.

Claims

1. A method for calculating carbon emissions over the entire life cycle of a communication base station infrastructure, characterized in that: The steps include: Step 1: Divide the entire life cycle of a communication base station into stages, including the preliminary stage, construction stage, operation stage, and scrapping stage; Step 2: Calculate the carbon emissions at each stage; Among them, the carbon emissions during the construction phase are E 建设 The calculation is as follows: AND 建设 =And 交通 +E 运输 +E 机械 +E 临电 (4); in: Among them, E 交通 represents the carbon dioxide emissions generated by construction workers’ transportation to the station, NT represents the number of times construction workers visited the station; D i Indicates the road mileage of the vehicle in the i-th activity, in kilometers (km); OI i EFv represents the average fuel consumption per kilometer of the car in the i-th activity, in liters (L); i The fossil fuel carbon emission factor for the ith activity, in kg CO2 / (L); Among them, E 运输 represents the carbon emissions from material transportation, NT represents the number of times the activity is performed, and the frequency of a single activity is 1; D j Indicates the road mileage of the jth transport vehicle, in kilometers (km); OI j EFv represents the average fuel consumption per kilometer of the j-th transport vehicle, in liters (L); j Carbon emission coefficient of fossil fuel for the jth transport, in kg CO2 / (L); Among them, E 机械 Indicates the carbon emissions of fuel used by various vehicles and machinery during construction, EN i Indicates the number of shifts required to complete the i-th construction process; OI i EFv represents the fuel consumption per shift of the i-th construction process; i represents the carbon emission coefficient of mechanical fossil fuels in the i-th construction process, in kg CO2 equivalent / (person·km); AND 临电 =And 电 (8) AND 电 =AD 电 ×EF 电网 (9); Among them, E 临电 represents the carbon dioxide emissions from temporary electricity consumption, E 电 It represents the total amount of carbon dioxide emissions generated by the net purchase of electricity, in tons of carbon dioxide equivalent, AD 电 It is expressed as the net amount of electricity purchased by the communication base station, in megawatt-hours (MWh); EF 电网 It is expressed as the average annual power supply emission factor of the regional power grid, in tons of carbon dioxide equivalent / MWh, AD 电 Indicates that the net amount of electricity purchased by the communication base station is the actual usage of the base station; Step 3: Sum the carbon emissions at each stage to obtain the carbon emissions of the communication base station over its entire life cycle.

2. A method for calculating carbon emissions over the entire life cycle of a communication base station infrastructure as claimed in claim 1, characterized in that: The carbon emissions in the previous stage are E 前期 The calculation is as follows: Among them, E 前期 Indicates the carbon dioxide emissions in the early stage, AC i represents the carbon dioxide emissions of the ith activity, in kilograms of carbon dioxide equivalent; where Among them, AC i represents the carbon dioxide emissions of the ith activity, PT i It represents the number of people who participated in the i-th activity, in units of people; D i EFp represents the road mileage of the vehicle in the i-th activity, in kilometers (km); i It represents the fuel emission of transportation in the ith activity, in kg CO2 equivalent / (person·km).

3. A method for calculating carbon emissions over the entire life cycle of a communication base station infrastructure as claimed in claim 2, characterized in that: The carbon dioxide emissions of the i-th activity AC i Another way to calculate is as follows: Among them, NT i The number of times you visit the activity, the frequency of a single activity is 1; D i Indicates the road mileage of the vehicle in the i-th activity, in kilometers (km); OI i EFv represents the average fuel consumption per kilometer of the car in the i-th activity, in liters (L); i It represents the fossil fuel carbon emission coefficient of the ith activity, in kg CO2 / (L).

4. The method for calculating carbon emissions during the entire life cycle of a communication base station infrastructure according to claim 1, characterized in that: The carbon dioxide emissions from temporary electricity consumption E 临电 Another way to calculate is as follows: AND 临电 =And 燃烧 (10); Among them, E 燃烧 Indicates the total amount of carbon dioxide emissions generated by the combustion of fuel consumed by communication base stations for power generation, in tons of carbon dioxide equivalent; AD 燃料i represents the activity data of the i-th fuel, in gigajoules (GJ); EF 燃料i represents the CO2 emission factor of the ith fuel, in tons of CO2 equivalent / GJ; AD 燃料i =NCV i ×FC i (14); Among them, NCV i It represents the average lower calorific value of the i-th fuel. For solid or liquid fuel, the unit is GJ / t; for gaseous fuel, the unit is GJ / 104Nm3t; FC i represents the consumption of the i-th fossil fuel, in tons (t); Among them, CC i Indicates the carbon content per unit calorific value of the i-th fuel, in tons of carbon per gigajoules (tC / GJ); i represents the carbon oxidation rate of the ith fuel, expressed in %; Expresses the ratio of the relative molecular masses of carbon dioxide and carbon.

5. The method for calculating carbon emissions during the entire life cycle of a communication base station infrastructure according to claim 1, characterized in that: Carbon emissions during the operation phase E 运营 The calculation is as follows: AND 运营 =And 巡检 +E 燃烧 +E 交通 +E 空调 +E 电 (12); in: Among them, E 巡检 represents the carbon emissions of patrol personnel, NT represents the number of times patrol personnel visit the station; D q Indicates the road mileage of the vehicle during the qth inspection activity, in kilometers (km); OI q EFv represents the average fuel consumption per kilometer of the vehicle during the qth inspection, in liters (L); q Carbon emission coefficient of fossil fuels of the qth inspection vehicle, in kg CO2 / (L); E 燃烧 E represents the total amount of carbon dioxide emissions generated by the combustion of fuel consumed by communication base stations for power generation. 交通 represents the carbon dioxide emissions generated by construction workers’ transportation to the station, which is calculated using formula (5), E 电 represents the total amount of carbon dioxide emissions generated by the net purchase of electricity, and its calculation method is the same as formula (9); E 空调 =(IE+S-DE)×GWP×CF (16); Among them, E 空调 It represents the fugitive carbon dioxide emissions of air-conditioning chemicals, in kilograms of carbon dioxide equivalent; IE represents the installed quantity (the amount of coolant when the equipment is installed), in kilograms; S represents the filling quantity (the amount of coolant added within the service life), in kilograms; DE represents the disposal and recovery quantity (the amount of coolant recovered from scrapped equipment), in kilograms; GWP represents the 100-year global warming potential of the refrigerant; CF represents the conversion factor from kg to t, 1t / 1000kg.

6. A method for calculating carbon emissions over the entire life cycle of a communication base station infrastructure as claimed in claim 1, characterized in that: The carbon emissions at the end-of-life stage are E 报废 The calculation is as follows: E 报废 =E 活动 +E 交通 +E 运输 +E 机械 +E 临电 +E 废物 (17), where E 活动 represents the carbon dioxide emissions of the i-th activity, equivalent to AC i , calculated using formula (3), E 交通 It represents the carbon dioxide emissions generated by the construction workers’ transportation to the station, and is calculated using formula (5). 运输 represents the carbon emissions from material transportation, calculated using formula (6), E 机械 represents the carbon emissions of fuel used by each vehicle during scrapping, calculated using formula (7), E 临电 represents the carbon dioxide emissions from temporary electricity consumption, which is calculated using formula (8) or formula (10), E 废物 It represents the carbon dioxide emissions generated by all wastes during the construction, operation and decommissioning stages.

7. The method for calculating carbon emissions during the entire life cycle of a communication base station infrastructure according to claim 1, characterized in that: The carbon emissions E of the communication base station over its entire life cycle are calculated using the following formula: E=E 前期 +E 建设 +E 运营 +E 报废 (18), Among them, E 前期 Indicates the carbon emissions in the early stage, E 建设 represents the carbon emissions during the construction phase, E 运营 Represents the carbon emissions during the operation phase, E 报废 Represents the carbon emissions during the scrapping stage.

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