Method, system and equipment for calculating carbon emission in power transmission and transformation project construction process

Abstract

A power transmission and transformation project construction process carbon emission calculation method, system and device, the method comprises the following steps: firstly calculating the total carbon emission amount of an overhead power transmission line project, a power transformation project and a cable line project, and then carrying out summation calculation to obtain the total carbon emission amount of the power transmission and transformation project construction process; according to the method, the influence of various engineering elements on the total carbon emission is comprehensively and meticulously evaluated, so that main power transmission and transformation construction projects such as an overhead transmission line project, a power transformation project and a cable line project are covered and are further deeply refined; specific engineering links such as infrastructure construction, tower erection, wiring, civil construction, power transformation equipment installation, lightning protection grounding, primary and secondary equipment installation and debugging, cable channel construction and cable laying are taken into consideration, and carbon emission characteristics of the whole power transmission and transformation project construction process are accurately captured through detailed analysis. And the comprehensiveness and the accuracy of carbon emission calculation are ensured.

Description

Technical Field

[0001] The present invention relates to a carbon emission calculation method, belongs to the field of power transmission and transformation project environmental protection, and in particular to a carbon emission calculation method, system and equipment during the construction process of a power transmission and transformation project. Background Art

[0002] As the global climate change problem becomes increasingly serious, how to reduce greenhouse gas emissions to slow down the pace of global warming has become an issue that needs attention; power transmission and transformation projects are an indispensable part of the power system. They are responsible for transmitting and converting electrical energy to ensure that electricity can be efficiently and safely transmitted to users. However, during the construction and operation of power transmission and transformation projects, certain carbon emissions will be generated. These emissions mainly come from fossil fuels used in project construction, the production and transportation of building materials, and energy consumption during project operation. However, in the existing carbon emission calculation process, only the carbon emissions of construction, demolition and other stages are usually roughly considered, and the differences brought by different engineering projects are not further considered in more detail. It cannot fully reflect the carbon emissions of the power transmission and transformation project construction process, resulting in poor accuracy of the calculation results. Therefore, there is an urgent need for a comprehensive and accurate calculation method to solve the above-mentioned defects in the prior art. Summary of the invention

[0003] The purpose of the present invention is to overcome the above-mentioned defects and problems existing in the prior art and to provide a comprehensive and accurate method, system and equipment for calculating carbon emissions in the construction process of power transmission and transformation projects.

[0004] To achieve the above objectives, the technical solution of the present invention is: a method for calculating carbon emissions during the construction of a power transmission and transformation project, comprising:

[0005] S1. Based on the overhead power transmission line foundation engineering, tower erection engineering and line stringing engineering, the total carbon emissions of the overhead power transmission line engineering are calculated; the calculation expression of the total carbon emissions of the overhead power transmission line engineering is as follows:

[0006] C XL =C XLjc +C XLlt +C XLjx ;

[0007] Where: C XL is the total carbon emissions of overhead transmission line projects, C XLjc is the carbon emission of overhead transmission line infrastructure engineering, C XLlt is the carbon emission of overhead transmission line tower erection project, C XLjx Carbon emissions from overhead power transmission line engineering;

[0008] Preferably, the specific calculation method of the overhead transmission line foundation engineering, tower erection engineering and line stringing engineering can be found in the corresponding part of the embodiment.

[0009] S2. Calculate the total carbon emissions of the substation project based on the civil engineering and electrical engineering of the substation project. The calculation expression of the total carbon emissions of the substation project is as follows:

[0010] C BD =C BDtj +C BDdq ;

[0011] Where: C BD is the total carbon emissions of the substation project, C BDtj is the carbon emission of civil engineering of substation project, C BDdq Carbon emissions from electrical engineering for substation projects;

[0012] Preferably, the specific calculation methods for the civil engineering and substation engineering can be found in the corresponding parts of the embodiments.

[0013] S3. Based on the cable channel project and the cable laying project, the total carbon emissions of the cable line project are calculated; the calculation expression of the total carbon emissions of the cable line project is as follows:

[0014] C DL =C DLtd +C DLfs ;

[0015] Where: C DL is the total carbon emissions of the cable line project, C DLtd is the carbon emission of the cable channel project, C DLfs Carbon emissions from cable laying projects.

[0016] Preferably, the specific calculation method of the cable channel project and the cable laying project can be found in the corresponding part of the embodiment.

[0017] S4. Calculate the total carbon emissions during the construction of the power transmission and transformation project based on the total carbon emissions of the overhead transmission line project, the total carbon emissions of the substation project, and the total carbon emissions of the cable line project. The calculation expression for the total carbon emissions during the construction of the power transmission and transformation project is as follows:

[0018] C CO2 =C XL +C BD +C DL ;

[0019] Where: C CO2 It is the total carbon emissions during the construction process of power transmission and transformation projects.

[0020] A carbon emission calculation system for a power transmission and transformation project construction process, the system is applied to the above method, the system comprising:

[0021] The carbon emission calculation module for overhead power transmission line projects is used to calculate the total carbon emission of overhead power transmission line projects based on the overhead power transmission line foundation project, tower erection project and line stringing project; the calculation expression of the total carbon emission of overhead power transmission line projects is as follows:

[0022] C XL =C XLjc +C XLlt +C XLjx ;

[0023] Where: C XL is the total carbon emissions of overhead transmission line projects, C XLjc is the carbon emission of overhead transmission line infrastructure engineering, C XLlt is the carbon emission of overhead transmission line tower erection project, C XLjx Carbon emissions from overhead power transmission line engineering;

[0024] The carbon emission calculation module of the substation project is used to calculate the total carbon emission of the substation project based on the civil engineering and electrical engineering of the substation project; the calculation expression of the total carbon emission of the substation project is as follows:

[0025] C BD =C BDtj +C BDdq ;

[0026] Where: C BD is the total carbon emissions of the power substation project, C BDtj is the carbon emission of civil engineering of substation project, C BDdq Carbon emissions from electrical engineering for substation projects;

[0027] The cable line engineering carbon emission calculation module is used to calculate the total carbon emission of the cable line engineering based on the cable channel engineering and the cable laying engineering; the calculation expression of the total carbon emission of the cable line engineering is as follows:

[0028] C DL =C DLtd +C DLfs ;

[0029] Where: C DL is the total carbon emissions of the cable line project, C DLtd is the carbon emission of the cable channel project, C DLfs Carbon emissions from cable laying projects;

[0030] The total carbon emission calculation module is used to calculate the total carbon emission in the construction process of the power transmission and transformation project based on the total carbon emission of the overhead transmission line project and the total carbon emission of the cable line project; the calculation expression of the total carbon emission in the construction process of the power transmission and transformation project is as follows:

[0031] C CO2 =C XL +C BD +C DL ;

[0032] Where: C CO2 It is the total carbon emissions during the construction process of power transmission and transformation projects.

[0033] A device for calculating carbon emissions during the construction of a power transmission and transformation project, the device comprising a processor and a memory;

[0034] The memory is used to store computer program code and transmit the computer program code to the processor;

[0035] The processor is used to execute the above-mentioned carbon emission calculation method in the power transmission and transformation project construction process according to the instructions in the computer program code.

[0036] Compared with the prior art, the present invention has the following beneficial effects:

[0037] In a method for calculating carbon emissions during the construction process of a power transmission and transformation project of the present invention, the method first calculates the total carbon emissions of overhead transmission line projects, substation projects, and cable line projects, and then performs a summation calculation to obtain the total carbon emissions during the construction process of the power transmission and transformation project; in the application of this design, through a comprehensive and detailed assessment of the impact of various engineering elements on the total carbon emissions, not only covers major power transmission and transformation construction projects such as overhead transmission line projects, substation projects, and cable line projects, but also further refines and takes into consideration specific engineering links such as infrastructure construction, tower erection, line stringing, civil construction, substation equipment installation, lightning protection and grounding, primary and secondary equipment installation and commissioning, cable channel construction, and cable laying; through meticulous analysis, the carbon emission characteristics of the entire process of power transmission and transformation project construction are accurately captured, ensuring the comprehensiveness and accuracy of carbon emission calculations. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] Figure 1 It is a flow chart of the method steps of the present invention.

[0039] Figure 2 It is a schematic diagram of the system structure of the present invention.

[0040] Figure 3 It is a schematic diagram of the device structure of the present invention.

[0041] In the figure: overhead transmission line project carbon emission calculation module 1, substation project carbon emission calculation module 2, cable line project carbon emission calculation module 3, total carbon emission calculation module 4, processor 5, memory 6, computer program code 61. DETAILED DESCRIPTION

[0042] The present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0043] Embodiment 1:

[0044] See also Figure 1 , a method for calculating carbon emissions during the construction of power transmission and transformation projects, including:

[0045] S1. Based on the overhead power transmission line foundation engineering, tower erection engineering and line stringing engineering, the total carbon emissions of the overhead power transmission line engineering are calculated; the calculation expression of the total carbon emissions of the overhead power transmission line engineering is as follows:

[0046] C XL =C XLjc +C XLlt +C XLjx ;

[0047] Where: C XL is the total carbon emissions of overhead transmission line projects, C XLjc is the carbon emission of overhead transmission line infrastructure engineering, C XLlt is the carbon emission of overhead transmission line tower erection project, C XLjx Carbon emissions from overhead power transmission line engineering;

[0048] Preferably, the carbon emissions calculation of the overhead transmission line foundation project should include not only the carbon emissions of the foundation body, but also the carbon emissions of earthwork, grounding and related auxiliary projects (such as construction access roads, cableways, intercepting drainage ditches, retaining walls, etc.).

[0049] Furthermore, in step S1, the carbon emissions of the overhead transmission line infrastructure project C XLjc The calculation expression is as follows:

[0050] C XLjc =C XLjc1 +C XLjc2 +C XLjc3 -C XLjc4 ;

[0051] Where: C XLjc1 is the carbon emission during the construction process of the basic project, C XLjc2 The carbon emissions of basic engineering building materials, C XLjc3 is the carbon emissions from the transportation of basic engineering materials, C XLjc4The net carbon sink of green plants in infrastructure projects;

[0052] Preferably, the carbon emissions during the foundation engineering construction process include the carbon emissions generated by the machinery and equipment (such as excavators, air compressors, drilling rigs, etc.) used during the construction process.

[0053] The carbon emissions during the construction of the foundation project are C XLjc1 The calculation expression is as follows:

[0054]

[0055] Where: T XLjc，ij is the consumption of the jth energy source by the i-th construction machinery and equipment during the construction of the foundation project (the relevant values ​​can be obtained from the engineering design documents and completion documents); R i EF is the energy consumption per unit shift of the i-th type of construction machinery and equipment; j is the carbon emission factor of the jth energy source;

[0056] Preferably, the calculation of carbon emissions from foundation engineering construction materials should include the carbon emissions contained in major construction materials (such as steel bars, concrete, gravel, etc.) such as foundation main structure materials and related enclosure structure materials.

[0057] The carbon emissions of the basic engineering construction materials are C XLjc2 The calculation expression is as follows:

[0058]

[0059] Where: M XLjci is the consumption of main building materials for the ith foundation project, F i is the carbon emission factor of the main building materials of the i-th foundation project (carbon footprint data of building materials audited by a third party is preferred);

[0060] Preferably, the carbon emissions from material transportation of foundation engineering projects include carbon emissions from earth and stone transportation and transportation of construction materials from the production site to the construction site, as well as carbon emissions generated by secondary transportation at the construction site.

[0061] The carbon emissions generated by the transportation of the basic engineering materials are C XLjc3 The calculation expression is as follows:

[0062]

[0063] Where: M XLi is the transportation volume of the i-th foundation construction material, D XLij is the average transportation distance of the i-th type of basic engineering construction material using the j-th transportation method (the actual transportation distance is preferably used; when the actual transportation distance is unknown, the estimated distance can be used), Tj is the carbon emission factor per unit weight of transportation distance under the jth mode of transportation;

[0064] Preferably, the net carbon sink of green plants in the infrastructure project is the cumulative net carbon sink of the carbon sink loss from destroying the original green plants (such as felling green plants) and the carbon sink increase from planting new green plants (such as restoration of forest and grass vegetation, etc.).

[0065] The net carbon sink of green plants in the infrastructure project is C XLjc4 The calculation expression is as follows:

[0066] C XLjc4 =C XLjc增 -C XLjc损 ;

[0067] Where: C XLjc_增 is the additional carbon sink absorption of newly planted green plants during the construction of infrastructure projects, C XLjc_损 The amount of carbon sink loss caused by the destruction of original green plants during the construction of infrastructure projects;

[0068] The additional carbon sink absorption amount C of newly planted green plants during the construction of the infrastructure project XLjc_增 The calculation expression is as follows:

[0069]

[0070] Where: L i is the carbon dioxide equivalent fixation per unit green plant area of ​​type i, G 增，i The newly added area of ​​green plants of type i during the construction of the infrastructure project;

[0071] The carbon sink loss amount C caused by destroying the original green plants during the construction of the infrastructure project XLjc_损 The calculation expression is as follows:

[0072]

[0073] Where: L i is the carbon dioxide equivalent fixation per unit green plant area of ​​type i, G 损,i It is the loss area of ​​the i-th type of green plants during the infrastructure construction process.

[0074] Preferably, the calculation of carbon emissions from the tower erection project should include the carbon emissions generated during the transportation, construction and installation of the tower body components.

[0075] In step S1, the carbon emissions of the overhead transmission line tower erection project C XLlt The calculation expression is as follows:

[0076] C XLlt =C XLlt1 +C XLlt2 ;

[0077] Where: C XLlt1 Carbon emissions during the construction and installation of the tower project, D XLlt2 Carbon emissions from the transportation of materials during the tower construction;

[0078] Preferably, the carbon emissions during the construction and installation process of the tower erection project should include the carbon emissions generated by the machinery and equipment used in the installation of the tower body components (such as mobile cranes, capstans, ground-mounted double-jib booms, etc.).

[0079] The carbon emissions during the construction and installation of the tower project are C XLlt1 The calculation expression is as follows:

[0080]

[0081] Where: T XLlt，ij R is the consumption of the jth energy source used by the i-th construction machinery and equipment during the construction and installation of the tower project; i EF is the energy consumption per unit shift of the i-th type of construction machinery and equipment; j is the carbon emission factor of the jth energy source;

[0082] Preferably, the carbon emissions from material transportation in the tower erection project include the carbon emissions from the transportation of equipment materials such as tower body components from the production site to the construction site, as well as the carbon emissions from secondary transportation at the construction site.

[0083] The carbon emissions generated by material transportation during the tower construction project are C XLlt2 The calculation expression is as follows:

[0084]

[0085] Where: M XLi is the transportation volume of installation materials in the i-th tower erection project, D XLij is the average transportation distance of the installation materials in the i-th tower project using the j-th transportation method; T j is the carbon emission factor per unit weight of transportation distance under the jth mode of transportation.

[0086] Preferably, the carbon emissions calculation of the line-laying project should include the carbon emissions generated by mechanical equipment during the installation of ground wires and accessories, the carbon emissions generated during the transportation of installation materials such as wires and hardware, and the net carbon sinks from the destruction and replanting of green plants during the line-laying process.

[0087] In step S1, the carbon emissions of the overhead transmission line engineering project C XLjx The calculation expression is as follows:

[0088] CXLjx =C XLjx1 +C XLjx2 -C XLjx3 ;

[0089] Where: C XLjx1 is the carbon emission during the construction of the cable engineering project, C XLjx2 Carbon emissions from the transportation of materials for wiring projects, C XLjx3 The net carbon sink of green plants in the power line project;

[0090] Preferably, the carbon emissions during the construction process of the cable stringing project include the carbon emissions generated by the machinery and equipment (such as traction machines, tension machines, capstans, etc.) used during the construction process.

[0091] The carbon emissions during the construction of the cable engineering project are C XLjx1 The calculation expression is as follows:

[0092]

[0093] Where: T XLjx，ij R is the consumption of the jth energy source used by the i-th construction machinery and equipment in the line construction; i is the energy consumption per unit shift of the i-th type of construction machinery and equipment, EF j is the carbon emission factor of the jth energy source;

[0094] Preferably, the carbon emissions from material transportation of the cable stringing project should include the carbon emissions from the transportation of wires, hardware and other installation materials from the production site to the construction site, as well as the carbon emissions generated by secondary transportation at the construction site.

[0095] The carbon emissions generated by the transportation of the wiring project materials are C XLjx2 The calculation expression is as follows:

[0096]

[0097] Where: M XLi is the transportation volume of installation materials in the i-th type of wiring project, D XLij is the average transportation distance of the installation materials in the i-th type of wiring project using the j-th transportation method;

[0098] Preferably, the net carbon sink of green plants in the line project is the cumulative net carbon sink of the carbon sink loss from destroying the original green plants (such as felling green plants) and the carbon sink increase from planting new green plants (such as restoration of forest and grass vegetation).

[0099] The net carbon sink of green plants in the wiring project is C XLjx3 The calculation expression is as follows:

[0100] C XLjx3 =CXLjx_增 -C XLjx_损 ;

[0101] Where: C XLjx_增 is the additional carbon sink absorbed by the newly planted green plants during the construction of the power line project, C XLjx_损 The carbon sink loss caused by the destruction of original green plants during the construction of the power line project;

[0102] The additional carbon sink absorption amount C of the newly planted green plants during the construction of the line project XLjx_增 The calculation expression is as follows:

[0103]

[0104] Where: L i is the carbon dioxide equivalent fixation per unit green plant area of ​​type i, G 增，i The newly added area of ​​green plants of category i during the construction of the line project;

[0105] The carbon sink loss amount C caused by the destruction of the original green plants during the construction of the cable project XLjx_损 The calculation expression is as follows:

[0106]

[0107] Where: L i is the carbon dioxide equivalent fixation per unit green plant area of ​​type i, G 损,i It is the loss area of ​​the i-th type of green plants during the construction of the power line project.

[0108] S2. Calculate the total carbon emissions of the substation project based on the civil engineering and electrical engineering of the substation project. The calculation expression of the total carbon emissions of the substation project is as follows:

[0109] C BD =C BDtj +CBD dq ;

[0110] Where: C BD is the total carbon emissions of the power substation project, C BDtj is the carbon emission of civil engineering of substation project, C BDdq Carbon emissions from electrical engineering for substation projects;

[0111] Furthermore, in step S2, the carbon emissions of the civil engineering of the substation project C BDtj The calculation expression is as follows:

[0112] C BDtj =C BDtj_cp +C BDtj_jc +C BDtj_zt +C BDtj_zs ;

[0113] Where: C BDtj_cp is the carbon emission of civil engineering and site leveling works, C BDtj_jc is the carbon emission of civil engineering foundation projects, C BDtj_zt is the carbon emission of the main civil structure project, C BDtj_zs Carbon emissions from civil engineering, decoration and construction projects;

[0114] Preferably, the carbon emission calculation of site leveling projects should include the carbon emissions generated by the use of machinery and equipment during the site's "four connections and one leveling", foundation treatment, retaining walls, slope protection, etc., the carbon emissions from the use of building materials, the carbon emissions generated during the transportation of earth and stone, and the net carbon sinks from the destruction and replanting of green plants during the site leveling process.

[0115] The carbon emissions of the civil engineering site leveling project are C BDtj_cp The calculation expression is as follows:

[0116] C BDtj_cp =C BDtj_cp1 +C BDtj_cp2 +C BDtj_cp3 -C BDtj_cp4 ;

[0117] Where: C BDtj_cp1 is the carbon emission during the construction of civil engineering site leveling project, C BDtj_cp2 is the carbon emissions of building materials used in civil engineering and site leveling projects, C BDtj_cp3 is the carbon emissions from material transportation in civil engineering site leveling projects, C BDtj_cp4 It is the net carbon sink of green plants in civil engineering and site leveling projects;

[0118] Preferably, the carbon emissions during the construction process of the site leveling project include the carbon emissions generated by the machinery and equipment (such as excavators, bulldozers, etc.) used during the construction process.

[0119] The carbon emissions during the construction of the civil engineering site leveling project are C BDtj_cp1 The calculation expression is as follows:

[0120]

[0121] Where: T BDtj_cp，ij is the energy consumption of the i-th type of construction machinery and equipment in the civil engineering site leveling project using the j-th type of energy, R i is the energy consumption per unit shift of the i-th type of construction machinery and equipment, EF j is the carbon emission factor of the jth energy source;

[0122] Preferably, the carbon emission calculation of construction materials for site leveling projects should include the carbon emissions contained in concrete, gravel, pipes, etc. used in laying roads and pipelines.

[0123] The carbon emissions of building materials used in the civil engineering and site leveling project are C BDtj_cp2 The calculation expression is as follows:

[0124]

[0125] Where: M BDtj_cpi is the consumption of main building materials for the i-th civil engineering site leveling project, F i is the carbon emission factor of the main building materials of the i-th civil engineering site leveling project;

[0126] Preferably, the carbon emissions from material transportation of site leveling projects should include the carbon emissions from the transportation of construction materials and earth and stone from the production site to the construction site, as well as the carbon emissions generated by secondary transportation at the construction site.

[0127] The carbon emissions generated by material transportation in the civil engineering site leveling project are C BDtj_cp3 The calculation expression is as follows:

[0128]

[0129] Where: M BDtj_cp，i is the transportation volume of building materials or earthwork for the i-th civil engineering site leveling project, D BDtj_cp，ij is the average transportation distance of the i-th civil engineering site leveling construction materials or earth and stone using the j-th transportation method, T j is the carbon emission factor per unit weight of transportation distance under the jth mode of transportation;

[0130] Preferably, the net carbon sink of green plants in the site leveling project is the cumulative net carbon sink of the carbon sink loss from destroying the original green plants (such as felling green plants) and the carbon sink increase from planting new green plants (such as restoration of forest and grass vegetation, etc.).

[0131] The net carbon sink of green plants in the civil engineering site leveling project is C BDtj_cp4 The calculation expression is as follows:

[0132] C BDtj_cp4 =C BDtj_cp_增 -C BDtj_cp_损 ;

[0133] Where: C BDtj_cp_增 is the additional carbon sink absorption of newly planted green plants in the civil engineering site leveling project, C BDtj_cp_损 The carbon sink loss caused by the destruction of original green plants during the civil construction and site leveling project;

[0134] The additional carbon sink absorption of newly planted green plants in the civil engineering site leveling project is C BDtj_cp_增 The calculation expression is as follows:

[0135]

[0136] Where: Li is the carbon dioxide equivalent fixation per unit green plant area of ​​type i, G 增,i It is the newly added area of ​​green plants of type i in the civil engineering site leveling project;

[0137]

[0138] Where: L i is the carbon dioxide equivalent fixation per unit green plant area of ​​type i, G 损，i is the loss area of ​​the i-th type of green plants in the civil engineering site leveling project;

[0139] Preferably, the carbon emission calculation of civil engineering foundation projects should include the carbon emissions generated by the use of machinery and equipment during the construction of foundations and other projects, the carbon emissions from the use of building materials, the carbon emissions generated during the transportation of building materials, and the net carbon sinks from the destruction and replanting of green plants during the construction process.

[0140] The carbon emissions of the civil engineering foundation project are C BDtj_jc The calculation expression is as follows:

[0141] C BDtj_jc =C BDtj_jc1 +C BDtj_jc2 +C BDtj_jc3 -C BDtj_jc4 ;

[0142] Where: C BDtj_jc1 is the carbon emission during the construction of civil engineering foundation projects, C BDtj_jc2 is the carbon emissions of building materials used in civil engineering foundation projects, C BDtj_jc3 is the carbon emissions from material transportation in civil engineering, C BDtj_jc4 The net carbon sink of green plants in civil engineering foundation projects;

[0143] The carbon emissions during the construction of the civil engineering foundation project are C BDtj_jc1 The calculation expression is as follows:

[0144]

[0145] Where: T BDtj_jc，ij is the energy consumption of the i-th type of construction machinery and equipment in the civil engineering foundation project, R i is the energy consumption per unit shift of the i-th type of construction machinery and equipment, EF j is the carbon emission factor of the jth energy source;

[0146] Preferably, the calculation of carbon emissions from building materials in civil engineering foundation projects includes the carbon emissions contained in steel bars, concrete, etc. used during the construction process.

[0147] The carbon emissions of building materials used in the civil engineering foundation project are CBDtj_jc2 The calculation expression is as follows:

[0148]

[0149] Where: M BDtj_jci is the consumption of main building materials for the i-th civil engineering foundation project, F i is the carbon emission factor of the main building materials of the i-th civil engineering foundation project;

[0150] Preferably, the carbon emissions from material transportation of civil engineering foundation projects should include the carbon emissions from the transportation of building materials from the production site to the construction site, as well as the carbon emissions generated by secondary transportation at the construction site.

[0151] The carbon emissions generated by material transportation in the civil engineering foundation project are C BDtj_jc3 The calculation expression is as follows:

[0152]

[0153] Where: M BDtj_jc，i is the transportation volume of building materials for the i-th civil engineering foundation project, D BDtj_jc，ij is the average transportation distance of the i-th building material using the j-th mode of transportation, T j is the carbon emission factor per unit weight of transportation distance under the jth mode of transportation;

[0154] Preferably, the net carbon sink of green plants in the infrastructure project is the cumulative net carbon sink of the carbon sink loss from destroying the original green plants (such as felling green plants) and the carbon sink increase from planting new green plants (such as restoration of forest and grass vegetation, etc.).

[0155] The net carbon sink of green plants in the civil engineering foundation project is C BDtj_jc4 The calculation expression is as follows:

[0156] C BDtj_jc4 =C BDtj_jc_增 -C BDtj_jc_损 ;

[0157] Where: C BDtj_jc_增 is the additional carbon sink absorption of newly planted green plants in civil engineering foundation projects, C BDtj_jc_损 The carbon sink loss caused by the destruction of original green plants during civil engineering foundation projects;

[0158] The additional carbon sink absorption of newly planted green plants in the civil engineering foundation project is C BDtj_jc_增 The calculation expression is as follows:

[0159]

[0160] Where: L i is the carbon dioxide equivalent fixation per unit green plant area of ​​type i, G增，i It is the newly added area of ​​green plants of category i in the civil engineering foundation project;

[0161] The carbon sink loss amount C caused by destroying the original green plants in the civil engineering foundation project BDtj_jc_损 The calculation expression is as follows:

[0162]

[0163] Where: L i is the carbon dioxide equivalent fixation per unit green plant area of ​​type i, G 损，i It is the newly added area of ​​the i-th type of green plants in the civil foundation project.

[0164] Preferably, the carbon emission calculation of the main structure project should include the carbon emissions generated by the use of machinery and equipment in the construction of walls, roads, gates, drainage and greening of the factory area, buildings (structures), carbon emissions from the use of building materials, carbon emissions generated during the transportation of building materials, and the net carbon sinks from the destruction and replanting of green plants during the construction of the main structure.

[0165] The carbon emissions of the main civil structure project are C BDtj_zt The calculation expression is as follows:

[0166] C BDtj_zt =C BDtj_zt1 +C BDtj_zt2 +C BDtj_zt3 -C BDtj_zt4 ;

[0167] Where: C BDtj_zt1 is the carbon emission during the construction process of the main structure of the civil engineering, C BDtj_zt2 Carbon emissions from building materials used in civil engineering main structure projects, C BDtj_zt3 is the carbon emissions generated by the transportation of civil engineering main structure materials, C BDtj_zt4 The net carbon sink of green plants in the main structure of civil engineering;

[0168] Preferably, the carbon emissions during the construction of the main structure include the carbon emissions generated by the machinery and equipment (such as cranes, winches, etc.) used during the construction process.

[0169] The carbon emissions during the construction of the main civil structure project are C BDtj_zt1 The calculation expression is as follows:

[0170]

[0171] Where: T BDtj_zt，ij is the energy consumption of the i-th type of construction machinery and equipment in the main structure of civil engineering, R i is the energy consumption per unit shift of the i-th type of construction machinery and equipment, EFj is the carbon emission factor of the jth energy source;

[0172] Preferably, the carbon emission calculation of building materials in the main structure project should include the carbon emissions contained in the steel bars, concrete, etc. used during the construction process.

[0173] The carbon emissions of building materials used in the main civil engineering structure project are C BDtj_zt2 The calculation expression is as follows:

[0174]

[0175] Where: M BDtj_zti is the consumption of main building materials for the main structure of the i-th civil engineering project, F i is the carbon emission factor of the main building materials of the i-th civil engineering main structure project;

[0176] Preferably, the carbon emissions from the transportation of equipment and materials for the main structure project should include the carbon emissions from the transportation of building materials from the production site to the construction site, as well as the carbon emissions generated by secondary transportation at the construction site.

[0177] The carbon emissions generated by the transportation of materials for the main civil engineering structure are C BDtj_zt3 The calculation expression is as follows:

[0178]

[0179] Where: M BDtj_zt，i is the transportation volume of the i-th civil engineering main structure material, D BDtj_zt，ij is the average transportation distance of the i-th civil engineering main structure material using the j-th transportation method, T j Carbon emission factor per unit weight of transportation distance under the jth mode of transportation;

[0180] Preferably, the net carbon sink of green plants in the main structure project is the cumulative net carbon sink of the carbon sink loss caused by destroying the original green plants (such as felling green plants) and the carbon sink increase caused by planting new green plants (such as restoration of forest and grass vegetation).

[0181] The net carbon sink of green plants in the main civil engineering structure is C BDtj_zt4 The calculation expression is as follows:

[0182] C BDtj_zt4 =C BDtj_zt_增 -C BDtj_zt_损 ;

[0183] Where: C BDtj_zt_增 is the additional carbon sink absorption of newly planted green plants in the main structure of civil engineering, C BDtj_zt_损 The carbon sink loss caused by the destruction of original green plants during the main civil engineering structure project;

[0184] The additional carbon sink absorption amount C of the newly planted green plants in the main civil structure project BDtj_zt_增 The calculation expression is as follows:

[0185]

[0186] Where: L i is the carbon dioxide equivalent fixation per unit green plant area of ​​type i, G 增，i It is the newly added area of ​​green plants of category i in the main structure of civil engineering;

[0187]

[0188] Where: L i is the carbon dioxide equivalent fixation per unit green plant area of ​​type i, G 损，i is the loss area of ​​the i-th type of green plants in the main civil structure project;

[0189] Preferably, the carbon emissions calculation of decoration and building installation projects should include the carbon emissions generated by the use of machinery and equipment in the process of building doors and windows, suspended ceilings, interior and exterior wall finishes, roof waterproofing, floor surface layers, lighting installation, HVAC equipment installation, etc., as well as the carbon emissions generated by the transportation of building materials. The total weight of building materials used is less than 0.1% and can be excluded from the carbon emissions calculation.

[0190] The calculation expression of carbon emissions from civil construction, decoration and building installation projects is as follows:

[0191] C BDtj_zs =C BDtj_zs1 +C BDtj_zs2 ;

[0192] Where: C BDtj_zs1 is the carbon emissions from the construction process of civil decoration and building installation projects, C BDtj_z s2 is the carbon emissions generated by the transportation of materials in civil construction, decoration and building installation projects;

[0193] Preferably, the carbon emissions during the construction process of decoration, renovation and building installation projects include the carbon emissions generated by machinery and equipment (such as cranes, winches, etc.) used during the construction process.

[0194] The carbon emissions during the construction of civil engineering, decoration and building installation projects are C BDtj_zs1 The calculation expression is as follows:

[0195]

[0196] Where: T BDtj_zs，ij R is the consumption of the jth energy source by the i-th construction machinery and equipment in civil engineering, decoration and building installation projects.i is the energy consumption per unit shift of the i-th type of construction machinery and equipment, EF j is the carbon emission factor of the jth energy source;

[0197] Preferably, the carbon emissions from material transportation of decoration, renovation and construction installation projects should include the carbon emissions from the transportation of building materials from the production site to the construction site, as well as the carbon emissions generated by secondary transportation at the construction site.

[0198] The carbon emissions generated by the transportation of materials in the civil construction, decoration and building installation projects are C BDtj_zs2 The calculation expression is as follows:

[0199]

[0200] Where: M BDtj_zs，i is the transportation volume of building materials for the i-th civil construction, decoration and building installation project, D BDtj_zs，ij is the average transportation distance of the i-th type of civil construction, decoration and building installation engineering construction materials using the j-th transportation method, T j Carbon emission factor per unit weight of transportation distance under the jth mode of transportation.

[0201] Furthermore, in step S2, the carbon emissions of the electrical engineering of the substation engineering are C BDdq The calculation expression is as follows:

[0202] C BDdq =C BDdq_fl +C BDtj_ys +C BDtj_e s;

[0203] Where: C BDdq_fl is the carbon emission of lightning protection and grounding engineering, C BDtj_y s is the carbon emission of the primary equipment installation project, C BDtj_es Carbon emissions for secondary equipment installation and commissioning projects;

[0204] Preferably, the carbon emissions calculation of the lightning protection and grounding project should include the carbon emissions generated by the use of machinery and equipment during the construction of the main grounding grid and equipment lead-in lines, as well as the carbon emissions generated during the transportation of installation materials.

[0205] The carbon emissions of the lightning protection and grounding project are C BDdq_fl The calculation expression is as follows:

[0206] C BD_fl =C BDdq_fl1 +C BDdq_fl2 ;

[0207] Where: C BDdq_fl1 is the carbon emission during the construction of lightning protection and grounding engineering, CBDdq_fl2 Carbon emissions generated by the transportation of installation materials in lightning protection and grounding projects;

[0208] Preferably, the carbon emissions during the construction process of the lightning protection and grounding project include the carbon emissions generated by the machinery and equipment (such as excavators, impact drills, etc.) used during the construction process.

[0209] The carbon emissions during the construction process of the lightning protection and grounding project are C BDdq_fl1 The calculation expression is as follows:

[0210]

[0211] Where: T BDdq_fl，ij is the energy consumption of the i-th type of construction machinery and equipment during the construction of the lightning protection and grounding project, R i is the energy consumption per unit shift of the i-th type of construction machinery and equipment, EF j is the carbon emission factor of the jth energy source;

[0212] Preferably, the carbon emissions from material transportation of lightning protection and grounding projects should include the carbon emissions from the transportation of installation materials such as the main grounding grid and equipment lead-in lines from the production site to the construction site.

[0213] The carbon emissions generated by the transportation of equipment materials in the lightning protection and grounding project are C BDdq_fl2 The calculation expression is as follows:

[0214]

[0215] Where: C BDdq_fl，i is the transportation volume of installation materials in the i-th lightning protection and grounding project, D BDdq_fl，ij is the average transportation distance of the installation materials in the i-th lightning protection and grounding project using the j-th transportation method, T j Carbon emission factor per unit weight of transportation distance under the jth mode of transportation;

[0216] Preferably, the carbon emissions calculation of a primary equipment installation project should include the carbon emissions generated by the use of machinery and equipment during the installation and testing of main transformers, GIS, AIS equipment, switchgear, etc., the carbon emissions generated by the use of installation materials such as sulfur hexafluoride, and the carbon emissions generated during the transportation of equipment and materials.

[0217] The carbon emissions of the primary equipment installation project are C BDtj_ys The calculation expression is as follows:

[0218] C BDtj_ys =C BDtj_ys1 +C BDtj_ys2 +C BDtj_ys3 ;

[0219] Where: C BDtj_ys1 is the carbon emission during the construction process of the primary equipment installation project, C BDtj_ys2 is the carbon emissions of installation materials used in a primary equipment installation project, C BDtj_ys3 The carbon emissions generated by the transportation of equipment and materials during a primary equipment installation project;

[0220] Preferably, the carbon emissions during the construction process of a primary equipment installation project include the carbon emissions generated by the machinery and equipment used during the installation process (such as cranes, lifts, oil filters, vacuum pumps, etc.).

[0221] The carbon emissions during the construction process of the primary equipment installation project are C BDtj_ys1 The calculation expression is as follows:

[0222]

[0223] Where: T BDtj_ys，ij is the energy consumption of the jth energy used by the Ith type of construction machinery and equipment in an equipment installation project, R i is the energy consumption per unit shift of the i-th type of construction machinery and equipment, EF j is the carbon emission factor of the Jth energy source;

[0224] Preferably, the calculation of material carbon emissions in a primary equipment installation project mainly includes the carbon emissions contained in sulfur hexafluoride.

[0225] The carbon emissions of the installation materials used in the primary equipment installation project are C BDtj_ys2 The calculation expression is as follows:

[0226]

[0227] in: is the consumption of sulfur hexafluoride during the installation of the equipment. is the greenhouse gas effect comparison coefficient of sulfur hexafluoride gas compared with carbon dioxide gas;

[0228] Preferably, the carbon emissions from equipment and material transportation of a primary equipment installation project should include the carbon emissions from the transportation of equipment and materials from the production site to the construction site.

[0229] The carbon emissions generated by the transportation of equipment and materials during the primary equipment installation project are C BDtj_ys3 The calculation expression is as follows:

[0230]

[0231] Where: M BDtj_ys，i is the transportation volume of equipment and materials in the i-th equipment installation project, D BDtj_ys，ijis the average transportation distance of equipment and materials using the jth mode of transportation in the i-th primary equipment installation project, T j Carbon emission factor per unit weight of transportation distance under the jth mode of transportation;

[0232] Preferably, the carbon emissions calculation of secondary equipment installation and commissioning projects should include the carbon emissions generated by the use of machinery and equipment during the installation and commissioning of secondary cabinets, cables, etc., as well as the carbon emissions generated during the transportation of equipment and materials.

[0233] Carbon emissions from secondary equipment installation and commissioning projects C BDtj_es The calculation expression is as follows:

[0234] C BDtj_es =C BDtj_es1 +C BDtj_es2 ;

[0235] Where: C BDtj_es1 is the carbon emission during the construction process of secondary equipment installation and commissioning, C BDtj_es2 Carbon emissions from equipment and material transportation during secondary equipment installation and commissioning projects;

[0236] Preferably, the carbon emissions during the construction process of the secondary equipment installation and commissioning project include the carbon emissions generated by the machinery and equipment (such as mobile cranes, forklifts, etc.) used during the installation and commissioning process.

[0237] The carbon emissions during the secondary equipment installation and commissioning project construction process are C BDtj_es1 The calculation expression is as follows:

[0238]

[0239] Where: T BDtj_es，ij is the energy consumption of the i-th type of construction machinery and equipment in the secondary equipment installation and commissioning project, R i is the energy consumption per unit shift of the i-th type of construction machinery and equipment, EF j is the carbon emission factor of the jth energy source;

[0240] The carbon emissions generated by the transportation of equipment and materials during the secondary equipment installation and commissioning project are C BDtj_es2 The calculation expression is as follows:

[0241]

[0242] Where: M BDtj_es，i is the transportation volume of equipment and materials for the installation and commissioning of the i-th type of secondary equipment, D BDtj_es，ij is the average transportation distance of the equipment and materials for the installation and commissioning of the i-th secondary equipment using the j-th transportation method, Tj Carbon emission factor per unit weight of transportation distance under the jth mode of transportation.

[0243] S3. Based on the cable channel project and the cable laying project, the total carbon emissions of the cable line project are calculated; the calculation expression of the total carbon emissions of the cable line project is as follows:

[0244] C DL =C DLtd +C DLfs ;

[0245] Where: C DL is the total carbon emissions of the cable line project, C DLtd is the carbon emission of the cable channel project, C DLfs Carbon emissions from cable laying projects.

[0246] Furthermore, in step S4, the carbon emissions of the cable channel project C DLtd The calculation expression is as follows:

[0247] C DLtd =C DLtd_kw +C DLtd_fw ;

[0248] Where: C DLtd_kw is the carbon emission of the excavated cable channel, C DLtd_fw Carbon emissions for trenchless cable channels;

[0249] Preferably, the carbon emission calculation of excavation-type cable channel projects should include the carbon emissions generated by the use of machinery and equipment during the construction of direct burial, cable trenches, drainage pipes, tunnels, supports, etc., the carbon emissions from the use of building materials, the carbon emissions generated during the transportation of building materials, and the net carbon sinks from the destruction and replanting of green plants during the excavation process.

[0250] The carbon emissions of the excavated cable channel are C DLtd_kw The calculation expression is as follows:

[0251] C DLtd_kw =C DLtd_kw1 +C DLtd_kw2 ++C DLtd_kw3 +-C DLtd_kw4 ;

[0252] Where: C DLtd_kwl is the carbon emission during the construction of the excavation cable channel project, C DLtd_kw2 is the carbon emission of building materials used in the construction process of excavation cable channel engineering, C DLtd_kw3 is the carbon emissions from material transportation in excavation cable channel projects, C DLtd_kw4 The net carbon sink of green plants in the excavated cable channel project;

[0253] Preferably, the carbon emissions during the construction process of the excavation-type cable channel project include the carbon emissions generated by the machinery and equipment (such as excavators, loaders, cranes, pile drivers, etc.) used during the construction process.

[0254] The carbon emissions during the construction of the excavation cable channel project are C DLtd_kw1 The calculation expression is as follows:

[0255]

[0256] Where: T BDtd_kw，ij is the energy consumption of the i-th type of construction machinery and equipment during the construction of the excavated cable channel project, R i is the energy consumption per unit shift of the i-th type of construction machinery and equipment, EF j is the carbon emission factor of the jth energy source;

[0257] Preferably, the carbon emission calculation of construction materials for excavated cable channel projects should include the carbon emissions contained in steel bars, steel profiles, concrete, masonry bricks, pipes, etc. used during the construction process.

[0258] The carbon emissions from building materials used in the construction of the excavation-type cable channel project are C DLtd_kw2 The calculation expression is as follows:

[0259]

[0260] Where: M DLtd_kwi is the consumption of main building materials during the construction of the i-th excavation cable channel project, F i is the carbon emission factor of the main building materials in the construction process of the i-th excavation cable channel project;

[0261] Preferably, the carbon emissions from the transportation of equipment and materials for an excavated cable channel project should include the carbon emissions from the transportation of construction materials.

[0262] The carbon emissions generated by material transportation in the excavation cable channel project are C DLtd_kw3 The calculation expression is as follows:

[0263]

[0264] Where: M DLtd_kw，i is the transportation volume of construction materials in the i-th excavation cable channel project, C DLtd_kw,ij is the average transportation distance of construction materials in the i-th excavation cable channel project using the j-th transportation method, T j Carbon emission factor per unit weight of transportation distance under the jth mode of transportation;

[0265] Preferably, the net carbon sink of green plants in the excavation-type cable channel project is the cumulative net carbon sink of the carbon sink loss due to the destruction of the original green plants (such as felling of green plants) and the carbon sink increase due to the planting of new green plants (such as restoration of forest and grass vegetation).

[0266] The net carbon sink of green plants in the excavated cable channel project is C DLtd_kw4 The calculation expression is as follows:

[0267] C DLtd_kw4 =C DLtd_kw_增 -C DLtd_kw_损 ;

[0268] Where: C DLtd_kwl_增 is the additional carbon sink absorption of newly planted green plants in the excavated cable channel project, C DLtd_kw_损 The carbon sink loss caused by destroying the original green plants in the excavation cable channel project;

[0269] The additional carbon sink absorption amount C of the newly planted green plants in the excavated cable channel project DLtd_kw_增 The calculation expression is as follows:

[0270]

[0271] Where: L i is the carbon dioxide equivalent fixation per unit green plant area of ​​type i, G 增，i The newly added area of ​​green plants of category i in the engineering excavation cable channel project;

[0272] The carbon sink loss amount C caused by destroying the original green plants in the excavation cable channel project DLtd_kw_损 The calculation expression is as follows:

[0273]

[0274] Where: L i is the carbon dioxide equivalent fixation per unit green plant area of ​​type i, G 损，i The loss area of ​​green plants of type i in the engineering excavation cable channel project;

[0275] Preferably, the carbon emissions calculation for trenchless cable channel projects should include the carbon emissions generated by the use of machinery and equipment during the construction of drag pipes, jacking pipes, shield cable tunnels, caissons, working pits, etc., the carbon emissions from the use of building materials, and the carbon emissions generated during the transportation of building materials.

[0276] The carbon emissions of the trenchless cable channel are C DLtd_fw The calculation expression is as follows:

[0277] C DLtd_fw =C DLtd_fw1+C DLtd_fw2 ++C DLtd_fw3 ;

[0278] Where: C DLtd_fw1 is the carbon emission during the construction of trenchless cable channel engineering, C DLtd_fw2 is the carbon emission of building materials used in the construction of trenchless cable channel projects, C DLtd_fw2 Carbon emissions from material transportation in trenchless cable channel projects;

[0279] Preferably, the carbon emissions during the construction process of the trenchless cable channel project include the carbon emissions generated by the use of mechanical equipment (such as directional drilling rigs, hot melt machines, pipe jacking machines, shield machines, etc.).

[0280] The carbon emissions during the construction of the trenchless cable channel project are C DLtd_fw1 The calculation expression is as follows:

[0281]

[0282] Where: C BDtd_fw，ij is the energy consumption of the i-th type of construction machinery and equipment during the construction of the trenchless cable channel project, R i is the energy consumption per unit shift of the i-th type of construction machinery and equipment, EF j is the carbon emission factor of the jth energy source;

[0283] Preferably, the carbon emission calculation of construction materials for trenchless cable channel projects should include the carbon emissions contained in pipes, concrete, steel bars, etc. used during the construction process.

[0284] The carbon emissions from building materials used in the construction of the trenchless cable channel project are C DLtd_fw2 The calculation expression is as follows:

[0285]

[0286] Where: M DLtd_fwi is the consumption of main building materials during the construction of the i-th trenchless cable channel project, F i is the carbon emission factor of the main building materials during the construction of the i-th trenchless cable channel project;

[0287] The carbon emissions generated by material transportation in the trenchless cable channel project are C DLtd_fw3 The calculation expression is as follows:

[0288]

[0289] Where: M DLtd_fw，iis the transportation volume of construction materials in the i-th trenchless cable channel project, D DLtd_fw，ij is the average transportation distance of construction materials in the i-th trenchless cable channel project using the j-th transportation method, T j Carbon emission factor per unit weight of transportation distance under the jth mode of transportation;

[0290] Preferably, the carbon emissions calculation of cable laying projects should include the carbon emissions generated by the use of machinery and equipment during the construction processes of direct burial laying, pipe laying, tunnel laying, underwater cable laying, etc., and the carbon emissions generated during the transportation of installation materials.

[0291] In step S3, the calculation expression of the carbon emission of the cable laying project is as follows:

[0292] C DLfs =C DLfs1 +C DLfs2 ;

[0293] Where: C DLfs1 is the carbon emission during the cable laying project construction process, C DLfs2 Carbon emissions from transporting materials for cable laying projects;

[0294] Preferably, the carbon emissions during the construction process of the cable laying project are the carbon emissions generated by the use of mechanical equipment (directional drilling rigs, hot melt machines, pipe jacking machines, shield machines, etc.).

[0295] The carbon emissions during the construction of the cable laying project are C DLfs1 The calculation expression is as follows:

[0296]

[0297] Where: T DLfs，ij is the consumption of the jth energy source by the i-th construction machinery and equipment during the cable laying project, R i is the energy consumption per unit shift of the i-th type of construction machinery and equipment, EF j is the carbon emission factor of the jth energy source;

[0298] Preferably, the carbon emissions from material transportation of the cable laying project should include the carbon emissions from the transportation of installation materials such as cables and cable accessories.

[0299] The carbon emissions generated by the transportation of materials for the cable laying project are C DLfs2 The calculation expression is as follows:

[0300]

[0301] Where: M DLfs，iis the transportation volume of installation materials in the i-th cable laying project, D DLfs，ij is the average transportation distance of the installation materials in the i-th cable laying project using the j-th transportation method, T j Carbon emission factor per unit weight of transportation distance under the jth mode of transportation.

[0302] S4. Calculate the total carbon emissions during the construction of the power transmission and transformation project based on the total carbon emissions of the overhead transmission line project, the total carbon emissions of the substation project, and the total carbon emissions of the cable line project. The calculation expression for the total carbon emissions during the construction of the power transmission and transformation project is as follows:

[0303] C CO2 =C XL +C BD +C DL ;

[0304] Where: C CO2 It is the total carbon emissions during the construction process of power transmission and transformation projects.

[0305] Embodiment 2:

[0306] See also Figure 2 , a carbon emission calculation system for a power transmission and transformation project construction process, the system is applied to the method described in Example 1, the system comprising:

[0307] The carbon emission calculation module 1 of the overhead transmission line project is used to calculate the total carbon emission of the overhead transmission line project based on the overhead transmission line foundation project, tower erection project and line stringing project; the calculation expression of the total carbon emission of the overhead transmission line project is as follows:

[0308] C XL =C XLjc +C XLlt +C XLjx ;

[0309] Where: C XL is the total carbon emissions of overhead transmission line projects, C XLjc is the carbon emission of overhead transmission line infrastructure engineering, C XLlt is the carbon emission of overhead transmission line tower erection project, C XLjx Carbon emissions from overhead power transmission line engineering;

[0310] Furthermore, the overhead power transmission line project carbon emission calculation module 1 is used to obtain the total carbon emission of the overhead power transmission line project according to the calculation method in Example 1. For the specific calculation method, please refer to the corresponding part of Example 1.

[0311] The carbon emission calculation module 2 of the substation project is used to calculate the total carbon emission of the substation project based on the civil engineering and substation project of the substation project; the calculation expression of the total carbon emission of the substation project is as follows:

[0312] C BD =C BDtj +C BDdq ;

[0313] Where: C BD is the total carbon emissions of the power substation project, C BDtj is the carbon emission of civil engineering of substation project, C BDdq Carbon emissions from electrical engineering for substation projects;

[0314] Furthermore, the substation engineering carbon emission calculation module 2 is used to obtain the total carbon emission of the substation engineering according to the calculation method in Example 1. For the specific calculation method, please refer to the corresponding part of Example 1.

[0315] The cable line engineering carbon emission calculation module 3 is used to calculate the total carbon emission of the cable line engineering based on the cable channel engineering and the cable laying engineering; the calculation expression of the total carbon emission of the cable line engineering is as follows:

[0316] C DL =C DLtd +C DLfs ;

[0317] Where: C DL is the total carbon emissions of the cable line project, C DLtd is the carbon emission of the cable channel project, C DLfs Carbon emissions from cable laying projects;

[0318] Furthermore, the cable line project carbon emission calculation module 3 is used to obtain the total carbon emission of the cable line project according to the calculation method in Example 1. For the specific calculation method, please refer to the corresponding part of Example 1.

[0319] The total carbon emission calculation module 4 is used to calculate the total carbon emission in the construction process of the power transmission and transformation project based on the total carbon emission of the overhead transmission line project, the total carbon emission of the substation project, and the total carbon emission of the cable line project; the calculation expression of the total carbon emission in the construction process of the power transmission and transformation project is as follows:

[0320] C CO2 =C XL +C BD +C DL ;

[0321] Where: C CO2 It is the total carbon emissions during the construction process of power transmission and transformation projects.

[0322] Embodiment 3:

[0323] See also Figure 3 , a device for calculating carbon emissions during the construction of a power transmission and transformation project, the device comprising a processor 5 and a memory 6;

[0324] The memory 6 is used to store the computer program code 61 and transmit the computer program code 61 to the processor 5;

[0325] The processor 5 is used to execute the carbon emission calculation method for the power transmission and transformation project construction process described in Example 1 according to the instructions in the computer program code 61.

[0326] Generally speaking, the computer instructions for implementing the method of the present invention may be carried in any combination of one or more computer-readable storage media. Non-transitory computer-readable storage media may include any computer-readable media, except for the signal itself that is temporarily propagating.

[0327] The computer-readable storage medium may be, for example, but not limited to, an electrical, magnetic, optical, electromagnetic, infrared, or semiconductor system, device or device, or any combination thereof. More specific examples of computer-readable storage media (a non-exhaustive list) include: an electrical connection with one or more wires, a portable computer disk, a hard disk, a random access memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EKROM or flash memory), an optical fiber, a portable compact disk read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination thereof. In the present invention, a computer-readable storage medium may be any tangible medium containing or storing a program that may be used by or in conjunction with an instruction execution system, device, or device.

[0328] Computer program code for performing the operation of the present invention can be written in one or more programming languages ​​or a combination thereof, including object-oriented programming languages ​​such as Java, SMalltalk, C++, and conventional procedural programming languages ​​such as "C" or similar programming languages, in particular, Python suitable for neural network computing and platform frameworks based on TensorFlow, PyTorch, etc. can be used. The program code can be executed entirely on the user's computer, partially on the user's computer, as an independent software package, partially on the user's computer and partially on a remote computer, or entirely on a remote computer or server. In the case of a remote computer, the remote computer can be connected to the user's computer or to an external computer (for example, using an Internet service provider to connect via the Internet) through any type of network, including a local area network (LAN) or a wide area network (WAN).

[0329] The above-mentioned device and non-temporary computer-readable storage medium can refer to the specific description of a method for calculating carbon emissions in the construction process of a power transmission and transformation project and its beneficial effects, which will not be repeated here. Although the embodiments of the present invention have been shown and described above, it should be understood that the above embodiments are exemplary and cannot be interpreted as limiting the present invention. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A method for calculating carbon emissions during the construction of a power transmission and transformation project, characterized in that: include: S1. Calculate the total carbon emissions of overhead power transmission line projects based on the overhead power transmission line foundation engineering, tower erection engineering and line stringing engineering; The calculation expression of the total carbon emissions of the overhead transmission line project is as follows: C XL =C XLjc +C XLlt +C XLjx : Where: C XL is the total carbon emissions of overhead transmission line projects, C XLjc is the carbon emission of overhead transmission line infrastructure engineering, C XLlt is the carbon emission of overhead transmission line tower erection project, C XLjx Carbon emissions from overhead power transmission line engineering; S2. Calculate the total carbon emissions of the substation project based on the civil engineering and electrical engineering of the substation project. The calculation expression of the total carbon emissions of the substation project is as follows: C BD =C BDtj+ C BDdq ; Where: C BD is the total carbon emissions of the power substation project, C BDtj is the carbon emission of civil engineering of substation project, C BDdq Carbon emissions from electrical engineering for substation projects; S3. Based on the cable channel project and the cable laying project, the total carbon emissions of the cable line project are calculated; the calculation expression of the total carbon emissions of the cable line project is as follows: C DL =C DLtd +C DLfs ; Where: C DL is the total carbon emissions of the cable line project, C DLtd is the carbon emission of the cable channel project, C DLfs Carbon emissions from cable laying projects; S4. Calculate the total carbon emissions during the construction of the power transmission and transformation project based on the total carbon emissions of the overhead transmission line project, the total carbon emissions of the substation project, and the total carbon emissions of the cable line project. The calculation expression for the total carbon emissions during the construction of the power transmission and transformation project is as follows: C CO2 =C XL +C BD +C DL ; Where: C CO2 It is the total carbon emissions during the construction process of power transmission and transformation projects.

2. The method for calculating carbon emissions during the construction of a power transmission and transformation project according to claim 1 is characterized by: In step S1, the carbon emissions of the overhead transmission line infrastructure project C XLjc The calculation expression is as follows: C XLjc =C XLjc1 +C XLjc2 +C XLjc3 -C XLjc4 ; Where: C XLjc1 is the carbon emission during the construction process of the basic project, C XLjc2 The carbon emissions of basic engineering building materials, C XLjc3 is the carbon emissions from the transportation of basic engineering materials, C XLjc4 The net carbon sink of green plants in infrastructure projects; The carbon emissions during the construction of the foundation project are C XLjc The calculation expression of 1 is as follows: Where: T XLjcij R is the consumption of the jth energy source used by the i-th construction machinery and equipment during the construction of the foundation project; i EF is the energy consumption per unit shift of the i-th type of construction machinery and equipment; j is the carbon emission factor of the j-th energy source; The carbon emissions of the basic engineering construction materials are C XLjc2 The calculation expression is as follows: Where: M XLjci is the consumption of main building materials for the ith foundation project, F i is the carbon emission factor of the main building materials of the i-th foundation project; The carbon emissions generated by the transportation of the basic engineering materials are C XLjc3 The calculation expression is as follows: Where: M XLi is the transportation volume of the i-th foundation construction material, D XLij is the average transportation distance of the i-th type of foundation construction material using the j-th mode of transportation, T j is the carbon emission factor per unit weight of transportation distance under the jth mode of transportation; The net carbon sink of green plants in the infrastructure project is C XLjc4 The calculation expression is as follows: C XLjc4 =C XLjc_增 -C XLjc_损 ; Where: C XLjc_增 is the additional carbon sink absorption of newly planted green plants during the construction of infrastructure projects, C XLjc_损 The amount of carbon sink loss caused by the destruction of original green plants during the construction of infrastructure projects; The additional carbon sink absorption amount C of newly planted green plants during the construction of the infrastructure project XLjc_增 The calculation expression is as follows: Where: L i is the carbon dioxide equivalent fixation per unit green plant area of ​​type i, G 增，i The newly added area of ​​green plants of type i during the construction of the infrastructure project; The carbon sink loss amount C caused by destroying the original green plants during the construction of the infrastructure project XLjc_损 The calculation expression is as follows: Where: L i is the carbon dioxide equivalent fixation per unit green plant area of ​​type i, G 损，i It is the loss area of ​​the i-th type of green plants during the infrastructure construction process.

3. The method for calculating carbon emissions during the construction of a power transmission and transformation project according to claim 1 is characterized by: In step S1, the carbon emissions of the overhead transmission line tower erection project C XLl！ The calculation expression is as follows: C XLlt =C XLlt1 +C XLlt2 ; Where: C XLlt1 Carbon emissions during the construction and installation of the tower project, C XLlt2 Carbon emissions from the transportation of materials during the tower construction; The carbon emissions during the construction and installation of the tower project are C XLl！1 The calculation expression is as follows: Where: T XLlt，！j R is the consumption of the jth energy source used by the i-th construction machinery and equipment during the construction and installation of the tower project; i EF is the energy consumption per unit shift of the i-th type of construction machinery and equipment; j is the carbon emission factor of the j-th energy source; The carbon emissions generated by material transportation during the tower construction project are C XLlt2 The calculation expression is as follows: Where: M XLi is the transportation volume of installation materials in the i-th tower erection project, D XLij is the average transportation distance of the installation materials in the i-th tower erection project using the j-th transportation mode; Tj is the carbon emission factor per unit weight of the transportation distance under the j-th transportation mode.

4. The method for calculating carbon emissions during the construction of a power transmission and transformation project according to claim 1 is characterized by: In step S1, the carbon emissions of the overhead transmission line engineering project C XLjx The calculation expression is as follows: C XLjx =C XLjx1 +C XLjx2 -C XLjx3 ; Where: C XLjx1 is the carbon emission during the construction of the cable engineering project, C XLjx2 Carbon emissions from the transportation of materials for wiring projects, C XLjx3 The net carbon sink of green plants in the power line project; The carbon emissions during the construction of the cable engineering project are C XLjx1 The calculation expression is as follows: Where: T XLjx，ij R is the consumption of the jth energy source used by the i-th construction machinery and equipment in the line construction; i is the energy consumption per unit shift of the i-th type of construction machinery and equipment, EF j is the carbon emission factor of the j-th energy source; The carbon emissions generated by the transportation of materials for the wiring project are C XLjx2 The calculation expression is as follows: Where: M XLi is the transportation volume of installation materials in the i-th type of wiring project, D XLij is the average transportation distance of the installation materials in the i-th type of wiring project using the j-th transportation method; The net carbon sink of green plants in the wiring project is C XLjx3 The calculation expression is as follows: C XLjx3 =C XLjx_增 -C XLjx_损 ; Where: C XLjx_增 is the additional carbon sink absorbed by the newly planted green plants during the construction of the power line project, C XLjx_损 The carbon sink loss caused by the destruction of original green plants during the construction of the power line project; The additional carbon sink absorption amount C of the newly planted green plants during the construction of the line project XLjx_增 The calculation expression is as follows: Where: L i is the carbon dioxide equivalent fixation per unit green plant area of ​​type i, G 增，i The newly added area of ​​green plants of category i during the construction of the line project; The carbon sink loss amount C caused by the destruction of the original green plants during the construction of the cable project XLjx_损 The calculation expression is as follows: Where: L i is the carbon dioxide equivalent fixation per unit green plant area of ​​type i, G 损，i It is the loss area of ​​the i-th type of green plants during the construction of the power line project.

5. The method for calculating carbon emissions during the construction of a power transmission and transformation project according to claim 1 is characterized by: In step S2, the carbon emissions of the civil engineering of the substation project C BDtj The calculation expression is as follows: C BDtj =C BDtj_cp +C BDtj_jc +C BDtj_zt +C BDtj_zs ; Where: C BDtj_cp is the carbon emission of civil engineering and site leveling works, C BDtj_jc is the carbon emission of civil engineering foundation projects, C BDtj_zt is the carbon emission of the main civil structure project, C BDtj_zs Carbon emissions from civil engineering, decoration and construction projects; The carbon emissions of the civil engineering site leveling project are C BDtj_cp The calculation expression is as follows: C BDtj_cp =C BDtj_cp1 +C BDtj_cp2 +C BDtj_cp3 -C BDtj_cp4 ; Where: C BDtj_cp1 is the carbon emission during the construction of civil engineering site leveling project, C BDtj_cp2 is the carbon emissions of building materials used in civil engineering and site leveling projects, C BDtj_cp3 is the carbon emissions from material transportation in civil engineering site leveling projects, C BDtj_cp4 It is the net carbon sink of green plants in civil engineering and site leveling projects; The carbon emissions during the construction of the civil engineering site leveling project are C BDtj_cp1 The calculation expression is as follows: Where: T BDtj_cp，ij is the energy consumption of the i-th type of construction machinery and equipment in the civil engineering site leveling project using the j-th type of energy, R i is the energy consumption per unit shift of the i-th type of construction machinery and equipment, EF j is the carbon emission factor of the j-th energy source; The carbon emissions of building materials used in the civil engineering and site leveling project are C BDtj_cp2 The calculation expression is as follows: Where: M BDtj_cpi is the consumption of main building materials for the i-th civil engineering site leveling project, F i is the carbon emission factor of the main building materials of the i-th civil engineering site leveling project; The carbon emissions generated by material transportation in the civil engineering site leveling project are C BDtj_cp3 The calculation expression is as follows: Where: M BDtj_cp，i is the transportation volume of building materials or earthwork for the i-th civil engineering site leveling project, D BDtj_cp，ij is the average transportation distance of the i-th civil engineering site leveling construction materials or earth and stone using the j-th transportation method, T j is the carbon emission factor per unit weight of transportation distance under the jth mode of transportation; The net carbon sink of green plants in the civil engineering site leveling project is C BDtj_cp4 The calculation expression is as follows: C BDtj_cp4 =C BDtj_cp_增 -C BDtj_cp_损 ; Where: C BDtj_cp_增 is the additional carbon sink absorption of newly planted green plants in the civil engineering site leveling project, C BDtj_cp_损 The carbon sink loss caused by the destruction of original green plants during the civil construction and site leveling project; The additional carbon sink absorption of newly planted green plants in the civil engineering site leveling project is C BDtj_cp_增 The calculation expression is as follows: Where: L i is the carbon dioxide equivalent fixation per unit green plant area of ​​type i, G 增，i It is the newly added area of ​​green plants of category i in the civil engineering site leveling project; Where: L i is the carbon dioxide equivalent fixation per unit green plant area of ​​type i, G 损，i is the loss area of ​​the i-th type of green plants in the civil engineering site leveling project; The carbon emissions of the civil engineering foundation project are C BDtj_jc The calculation expression is as follows: C BDtj_jc =C BDtj_jc1 +C BDtj_jc2 +C BDtj_jc3 -C BDtj_jc4 ; Where: C BDtj_jc1 is the carbon emission during the construction of civil engineering foundation, C BDtj_jc2 is the carbon emissions of building materials used in civil engineering foundation projects, C BDtj_jc3 is the carbon emissions from material transportation in civil engineering foundation projects, C BDtj_jc4 The net carbon sink of green plants in civil engineering foundation projects; The carbon emissions during the construction of the civil engineering foundation project are C BDtj_jc1 The calculation expression is as follows: Where: T BDtj_jc，ij is the energy consumption of the i-th type of construction machinery and equipment in the civil engineering foundation project, R i is the energy consumption per unit shift of the i-th type of construction machinery and equipment, EF j is the carbon emission factor of the j-th energy source; The carbon emissions of building materials used in the civil engineering foundation project are C BDtj_jc2 The calculation expression is as follows: Where: M BDtj_jci is the consumption of main building materials for the i-th civil engineering foundation project, F i is the carbon emission factor of the main building materials of the i-th civil engineering foundation project; The carbon emissions generated by material transportation in the civil engineering foundation project are C BDtj_jc3 The calculation expression is as follows: Where: M BDtj_jc，i is the transportation volume of building materials for the i-th civil engineering foundation project, D BDtj_jc，ij is the average transportation distance of the i-th building material using the j-th mode of transportation, T j is the carbon emission factor per unit weight of transportation distance under the jth mode of transportation; The net carbon sink of green plants in the civil engineering foundation project is C BDtj_jc4 The calculation expression is as follows: C BDtj_jc4 =C BDtj_jc_增 -C BDtj_jc_损 ; Where: C BDtj_jc_增 is the additional carbon sink absorption of newly planted green plants in civil engineering foundation projects, C BDtj_jc_损 The carbon sink loss caused by the destruction of original green plants during civil engineering foundation projects; The additional carbon sink absorption of newly planted green plants in the civil engineering foundation project is C BDtj_jc_增 The calculation expression is as follows: Where: L i is the carbon dioxide equivalent fixation per unit green plant area of ​​type i, G 增，i It is the newly added area of ​​green plants of category i in the civil engineering foundation project; The carbon sink loss amount C caused by destroying the original green plants in the civil engineering foundation project BDtj_jc_损 The calculation expression is as follows: Where: L i is the carbon dioxide equivalent fixation per unit green plant area of ​​type i, G 损，i It is the newly added area of ​​green plants of category i in the civil engineering foundation project; The carbon emissions of the main civil structure project are C BDtj_zt The calculation expression is as follows: C BDtj_zt =C BDtj_zt1 +C BDtj_zt2 +C BDtj_zt3 -C BDtj_zt4 ; Where: C BDtj_zt1 is the carbon emission during the construction process of the main structure of the civil engineering, C BDtj_zt2 Carbon emissions from building materials used in civil engineering main structure projects, C BDtj_zt3 is the carbon emissions generated by the transportation of civil engineering main structure materials, C BDtj_zt4 The net carbon sink of green plants in the main structure of civil engineering; The carbon emissions during the construction of the main civil structure project are C BDtj_zt1 The calculation expression is as follows: Where: T BDtj_zt，ij is the energy consumption of the i-th type of construction machinery and equipment in the main structure of civil engineering, R i is the energy consumption per unit shift of the i-th type of construction machinery and equipment, EF j is the carbon emission factor of the j-th energy source; The carbon emissions of building materials used in the main civil engineering structure project are C BDtj_zt2 The calculation expression is as follows: Where: M BDtj_zti is the consumption of main building materials for the main structure of the i-th civil engineering project, F i is the carbon emission factor of the main building materials of the i-th civil engineering main structure project; The carbon emissions generated by the transportation of materials for the main civil engineering structure are C BDtj_zt3 The calculation expression is as follows: Where: M BDtj_zt，i is the transportation volume of the i-th civil engineering main structure material, D BDtj_zt，ij is the average transportation distance of the i-th civil engineering main structure material using the j-th transportation method, T j Carbon emission factor per unit weight of transportation distance under the jth mode of transportation; The net carbon sink of green plants in the main civil engineering structure is C BDtj_zt4 The calculation expression is as follows: C BDtj_zt4 =C BDtj_zt_增 -C BDtj_zt_损 ; Where: C BDtj_zt_增 is the additional carbon sink absorption of newly planted green plants in the main structure of civil engineering, C BDtj_zt_损 The carbon sink loss caused by the destruction of original green plants during the main civil engineering structure project; The additional carbon sink absorption amount C of the newly planted green plants in the main civil structure project BDtj_zt_增 The calculation expression is as follows: Where: L i is the carbon dioxide equivalent fixation per unit green plant area of ​​type i, G 增，i It is the newly added area of ​​green plants of category i in the main structure of civil engineering; Where: L i is the carbon dioxide equivalent fixation per unit green plant area of ​​type i, G 损，i is the loss area of ​​the i-th type of green plants in the main civil structure project; The calculation expression of carbon emissions from civil construction, decoration and building installation projects is as follows: C BDtj_zs =C BDtj_zs1 +C BDtj_zs2 ; Where: C BDtj_zs1 is the carbon emissions from the construction process of civil decoration and building installation projects, C BDtj_zs2 Carbon emissions from the transportation of materials in civil construction, decoration and building installation projects; The carbon emissions during the construction of civil engineering, decoration and building installation projects are C BDtj_zs1 The calculation expression is as follows: Where: T BDtj_zs,ij R is the consumption of the jth energy source by the i-th construction machinery and equipment in civil engineering, decoration and building installation projects. i is the energy consumption per unit shift of the i-th type of construction machinery and equipment, EF j is the carbon emission factor of the j-th energy source; The carbon emissions generated by the transportation of materials in the civil construction, decoration and building installation projects are C BDtj_zs2 The calculation expression is as follows: Where: M BDtj_zs，i is the transportation volume of building materials for the i-th civil construction, decoration and building installation project, D BDtj_zs，ij is the average transportation distance of the i-th type of civil construction, decoration and building installation engineering construction materials using the j-th transportation method, T j Carbon emission factor per unit weight of transportation distance under the jth mode of transportation.

6. The method for calculating carbon emissions during the construction of a power transmission and transformation project according to claim 1 is characterized by: In step S2, the carbon emissions of the electrical engineering of the substation engineering C BDdq The calculation expression is as follows: C BDdq =C BDdq_fl +C BDtj_ys +C BDtj_es ; Where: C BDdq_fl is the carbon emission of lightning protection and grounding engineering, C BDtj_ys Carbon emissions from primary equipment installation project, C BDtj_es Carbon emissions for secondary equipment installation and commissioning projects; The carbon emissions of the lightning protection and grounding project are C BDdq_fl The calculation expression is as follows: C BD_fl =C BDdq_fl1 +C BDdq_fl2 ; Where: C BDdq_fl1 is the carbon emission during the construction process of lightning protection and grounding engineering, C BDdq_fl2 Carbon emissions generated by the transportation of installation materials in lightning protection and grounding projects; The carbon emissions during the construction process of the lightning protection and grounding project are C BDdq_fl1 The calculation expression is as follows: Where: T BDdq_fl，ij is the energy consumption of the i-th type of construction machinery and equipment using the j-th type of energy during the construction of the lightning protection and grounding project, R i is the energy consumption per unit shift of the i-th type of construction machinery and equipment, EF j is the carbon emission factor of the j-th energy source; The carbon emissions generated by the transportation of equipment materials in the lightning protection and grounding project are C BDdq_fl2 The calculation expression is as follows: Where: M BDdq_fl，i is the transportation volume of installation materials in the i-th lightning protection and grounding project, D BDdq_fl，ij is the average transportation distance of the installation materials in the i-th lightning protection and grounding project using the j-th transportation method, T j Carbon emission factor per unit weight of transportation distance under the jth mode of transportation; The carbon emissions of the primary equipment installation project are C BDtj_ys The calculation expression is as follows: C BDtj_ys =C BDtj_ys1 +C BDtj_ys2 +C BDtj_ys3 ; Where: C BDtj_ys1 is the carbon emission during the construction process of the primary equipment installation project, C BDtj_ys2 is the carbon emissions of installation materials used in a primary equipment installation project, C BDtj_ys3 The carbon emissions generated by the transportation of equipment and materials during a primary equipment installation project; The carbon emissions during the construction process of the primary equipment installation project are C BDtj_ys1 The calculation expression is as follows: Where: T BDtj_ys，ij is the energy consumption of the i-th type of construction machinery and equipment in a single equipment installation project, R i is the energy consumption per unit shift of the i-th type of construction machinery and equipment, EF j is the carbon emission factor of the j-th energy source; The carbon emissions of the installation materials used in the primary equipment installation project are C BDtj_ys2 The calculation expression is as follows: in: is the consumption of sulfur hexafluoride during the installation of the equipment. is the greenhouse gas effect comparison coefficient of sulfur hexafluoride gas compared with carbon dioxide gas; The carbon emissions generated by the transportation of equipment and materials during the primary equipment installation project are C BDtj_ys3 The calculation expression is as follows: Where: M BDtj_ys，i is the transportation volume of equipment and materials in the i-th equipment installation project, D BDtj_ys，ij is the average transportation distance of equipment and materials using the jth mode of transportation in the i-th primary equipment installation project, T j Carbon emission factor per unit weight of transportation distance under the jth mode of transportation; Carbon emissions from secondary equipment installation and commissioning projects C BDtj_es The calculation expression is as follows: C BDtj_es =C BDtj_es1 +C BDtj_es2 ; Where: C BDtj_es1 is the carbon emission during the construction process of secondary equipment installation and commissioning, C BDtj_es2 Carbon emissions from equipment and material transportation during secondary equipment installation and commissioning projects; The carbon emissions during the secondary equipment installation and commissioning project construction process are C BDtj_es1 The calculation expression is as follows: Where: T BDtj_es,ij is the energy consumption of the i-th type of construction machinery and equipment in the secondary equipment installation and commissioning project, R i is the energy consumption per unit shift of the i-th type of construction machinery and equipment, EF j is the carbon emission factor of the j-th energy source; The carbon emissions generated by the transportation of equipment and materials during the secondary equipment installation and commissioning project are C BDtj_es2 The calculation expression is as follows: Where: M BDtj_es，i is the transportation volume of equipment and materials for the installation and commissioning of the i-th type of secondary equipment, D BDtj_es，ij is the average transportation distance of the equipment and materials for the installation and commissioning of the i-th secondary equipment using the j-th transportation method, T j Carbon emission factor per unit weight of transportation distance under the jth mode of transportation.

7. The method for calculating carbon emissions during the construction of a power transmission and transformation project according to claim 1, characterized in that: In step S3, the carbon emissions of the cable channel project C DLtd The calculation expression is as follows: C DLtd =C DLtd_kw+ C DLtd_fw ; Where: C DLtd_kw is the carbon emission of the excavated cable channel, C DLtd_fw Carbon emissions for trenchless cable channels; The carbon emissions of the excavated cable channel are C DLtd_kw The calculation expression is as follows: C DLtd_kw =C DLtd_kw1+ C DLtd_kw2+ +C DLtd_kw3+ -C DLtd_kw4 ; Where: C DLtd_kw1 is the carbon emission during the construction of the excavation cable channel project, C DLtd_kw2 is the carbon emission of building materials used in the construction process of excavation cable channel engineering, C DLtd_kw3 is the carbon emissions from material transportation in excavation cable channel projects, C DLtd_kw4 The net carbon sink of green plants in the excavated cable channel project; The carbon emissions during the construction of the excavation cable channel project are C DLtd_kw1 The calculation expression is as follows: Where: T BDtd_kw，ij is the energy consumption of the i-th type of construction machinery and equipment during the construction of the excavated cable channel project, R i is the energy consumption per unit shift of the i-th type of construction machinery and equipment, EF j is the carbon emission factor of the j-th energy source; The carbon emissions from building materials used in the construction of the excavation-type cable channel project are C DLtd_kw2 The calculation expression is as follows: Where: M DLtd_kwi is the consumption of main building materials during the construction of the i-th excavation cable channel project, F i is the carbon emission factor of the main building materials in the construction process of the i-th excavation cable channel project; The carbon emissions generated by material transportation in the excavation cable channel project are C DLtd_kw3 The calculation expression is as follows: Where: M DLtd_kw，i is the transportation volume of construction materials in the i-th excavation cable channel project, D DLtd_kw，ij is the average transportation distance of construction materials in the i-th excavation cable channel project using the j-th transportation method, T j Carbon emission factor per unit weight of transportation distance under the jth mode of transportation; The net carbon sink of green plants in the excavated cable channel project is C DLtd_kw4 The calculation expression is as follows: C DLtd_kw4 =C DLtd_kw_增 -C DLtd_kw_损 ; Where: C DLtd_kw_增 is the additional carbon sink absorption of newly planted green plants in the excavated cable channel project, C DLtd_kw_损 The carbon sink loss caused by destroying the original green plants in the excavation cable channel project; The additional carbon sink absorption amount C of the newly planted green plants in the excavated cable channel project DLtd_kw_增 The calculation expression is as follows: Where: L i is the carbon dioxide equivalent fixation per unit green plant area of ​​type i, G 增，i The newly added area of ​​green plants of category i in the engineering excavation cable channel project; The carbon sink loss amount C caused by destroying the original green plants in the excavation cable channel project DLtd_kw_损 The calculation expression is as follows: Where: L i is the carbon dioxide equivalent fixation per unit green plant area of ​​type i, G 损，i The area lost by the i-th type of green plants in the engineering excavation cable channel project; The carbon emissions of the trenchless cable channel are C DLtd_fw The calculation expression is as follows: C DLtd_fw =C DLtd_fw1 +C DLtd_fw2+ +C DLtd_fw3 ; Where: C DLtd_fw1 is the carbon emission during the construction of trenchless cable channel engineering, C DLtd_fw2 is the carbon emission of building materials used in the construction of trenchless cable channel projects, C DLtd_fw3 Carbon emissions from material transportation in trenchless cable channel projects; The carbon emissions during the construction of the trenchless cable channel project are C DLtd_fw1 The calculation expression is as follows: Where: T BDtd_fw，ij is the energy consumption of the i-th type of construction machinery and equipment during the construction of the trenchless cable channel project, R i is the energy consumption per unit shift of the i-th type of construction machinery and equipment, EF j is the carbon emission factor of the j-th energy source; The carbon emissions from building materials used in the construction of the trenchless cable channel project are C DLtd_fw2 The calculation expression is as follows: Where: M DLtd_fwi is the consumption of main building materials during the construction of the i-th trenchless cable channel project, F i is the carbon emission factor of the main building materials during the construction of the i-th trenchless cable channel project; The carbon emissions generated by material transportation in the trenchless cable channel project are C DLtd_fw3 The calculation expression is as follows: Where: M DLtd_fw，i is the transportation volume of construction materials in the i-th trenchless cable channel project, D DLtd_fw，ij is the average transportation distance of construction materials in the i-th trenchless cable channel project using the j-th transportation method, T j Carbon emission factor per unit weight of transportation distance under the jth mode of transportation.

8. The method for calculating carbon emissions during the construction of a power transmission and transformation project according to claim 1 is characterized by: In step S3, the calculation expression of the carbon emission of the cable laying project is as follows: C DLfs =C DLfs1+ C DLfs2 ; Where: C DLfs1 is the carbon emission during the cable laying project construction process, C DLfs2 Carbon emissions from transporting materials for cable laying projects; The carbon emissions during the construction of the cable laying project are C DLfs1 The calculation expression is as follows: Where: T DLfs，ij is the consumption of the jth energy source by the i-th construction machinery and equipment during the cable laying project, R i is the energy consumption per unit shift of the i-th type of construction machinery and equipment, EF j is the carbon emission factor of the j-th energy source; The carbon emissions generated by the transportation of materials for the cable laying project are C DLfs2 The calculation expression is as follows: Where: M DLfs，i is the transportation volume of installation materials in the i-th cable laying project, D DLfs，ij is the average transportation distance of the installation materials in the i-th cable laying project using the j-th transportation method, T j Carbon emission factor per unit weight of transportation distance under the jth mode of transportation.

9. A carbon emission calculation system for the construction process of power transmission and transformation projects, characterized by: The system is applied to the method described in any one of claims 1 to 8, and the system comprises: The overhead power transmission line project carbon emission calculation module (1) is used to calculate the total carbon emission of the overhead power transmission line project based on the overhead power transmission line foundation project, tower erection project and line stringing project; the calculation expression of the total carbon emission of the overhead power transmission line project is as follows: C XL =C XLjc +C XLlt +C XLjx : Where: C XL is the total carbon emissions of overhead transmission line projects, C XLjc is the carbon emission of overhead transmission line infrastructure engineering, C XLlt is the carbon emission of overhead transmission line tower erection project, C XLjx Carbon emissions from overhead power transmission line engineering; The substation engineering carbon emission calculation module (2) is used to calculate the total carbon emission of the substation engineering based on the civil engineering and electrical engineering of the substation engineering; the calculation expression of the total carbon emission of the substation engineering is as follows: C BD =C BDtj +C BDdq ; Where: C BD is the total carbon emissions of the power substation project, C BDtj is the carbon emission of civil engineering of substation project, C BDdq Carbon emissions from electrical engineering for substation projects; The cable line engineering carbon emission calculation module (3) is used to calculate the total carbon emission of the cable line engineering based on the cable channel engineering and the cable laying engineering; the calculation expression of the total carbon emission of the cable line engineering is as follows: C DL =C DLtd +C DLfs ; Where: C DL is the total carbon emissions of the cable line project, C DLtd is the carbon emission of the cable channel project, C DLfs Carbon emissions from cable laying projects; The carbon emission total amount calculation module (4) is used to calculate the total carbon emission amount in the construction process of the power transmission and transformation project based on the total carbon emission amount of the overhead power transmission line project, the total carbon emission amount of the power transformation project, and the total carbon emission amount of the cable line project; the calculation expression of the total carbon emission amount in the construction process of the power transmission and transformation project is as follows: C CO2 =C XL +C BD +C DL ; Where: C CO2 It is the total carbon emissions during the construction process of power transmission and transformation projects.

10. A device for calculating carbon emissions during the construction of a power transmission and transformation project, characterized in that: The device comprises a processor (5) and a memory (6); The memory (6) is used to store computer program code (61) and transmit the computer program code (61) to the processor (5); The processor (5) is used to execute the carbon emission calculation method for the power transmission and transformation project construction process according to any one of claims 1 to 8 according to the instructions in the computer program code (61).

Images