Carbon emission calculation and evaluation method suitable for cable laying assembly type technology construction stage

Abstract

The invention relates to a carbon emission calculation and evaluation method suitable for a cable laying assembly type technology construction stage. The method comprises the following steps: S1, dividing a carbon emission calculation boundary of the cable laying assembly type technology construction stage; s2, according to the calculation boundary divided in the S1, determining a carbon emission source in a cable laying assembly type technology construction stage; s3, according to the carbon emission source determined in the S2, collecting basic data required by carbon emission calculation in a cable laying assembly type technology construction stage; and S4, establishing a carbon emission calculation model in the construction stage of the cable laying assembly type technology, and performing carbon emission calculation. According to the method, the carbon emission in the construction process of the cable laying assembly type technology is accurately calculated, so that the carbon emission is more effectively controlled and reduced, the advantages of the cable laying assembly type technology in the aspect of carbon reduction can be directly quantified, powerful support is provided for promoting green and low-carbon development of the electric power construction industry, and green and low-carbon transformation of the industry is promoted.

Description

Technical Field

[0001] The present invention relates to the field of carbon emission calculation technology, and in particular to a carbon emission calculation and evaluation method applicable to the construction stage of cable laying assembly technology. Background Art

[0002] Carbon emissions are part of greenhouse gas emissions, and climate change caused by greenhouse gas emissions is a common challenge for all mankind. Cable laying projects are linked to each other in the construction of power transmission and transformation projects, and the construction method is unique; accurately assessing the carbon emissions it generates and providing estimates of carbon reduction effects is an overall project. Analyzing the carbon reduction effects of the prefabricated technical solutions for transmission line laying projects and discussing the impact of new prefabricated construction methods on carbon emissions are of guiding significance for technological progress and industry development in the field of power engineering, and also play an important role in promoting the green transformation and sustainable development of society.

[0003] At present, the research on carbon emissions of power transmission line laying projects is still not in-depth enough, especially the contribution of new assembly processes to reducing carbon emissions is still blank. Existing methods cannot quantify the carbon emissions of assembly-type cable laying projects, and cannot support further analysis of carbon reduction effects. The introduction of new construction processes is conducive to promoting technological innovation in the field of power engineering construction and stimulating the industry's research and development and application of energy-saving and emission reduction technologies. It is understandable that the above statements only provide background technology related to the present invention and do not necessarily constitute prior art. Summary of the invention

[0004] The purpose of the present invention is to provide a carbon emission calculation and evaluation method suitable for the construction stage of cable laying assembly technology, so as to provide scientific and reasonable carbon emission evaluation and management tools for enterprises and industries, so as to more effectively control and reduce carbon emissions.

[0005] In order to achieve the above-mentioned objectives, the present invention provides a carbon emission calculation and evaluation method suitable for the construction stage of cable laying assembly technology, which specifically includes the following steps: S1. Dividing the carbon emission calculation boundaries of the cable laying assembly technology construction stage; S2. Determining the carbon emission sources of the cable laying assembly technology construction stage according to the calculation boundaries divided in S1; S3. Collecting the basic data required for the carbon emission calculation of the cable laying assembly technology construction stage according to the carbon emission sources determined in S2; S4. Establishing a carbon emission calculation model for the cable laying assembly technology construction stage and calculating the carbon emissions.

[0006] Preferably, in said S1, the carbon emission calculation boundary of the construction phase of the cable laying assembly technology includes: carbon emissions of the prefabricated component production phase, carbon emissions of the transportation phase and carbon emissions of the construction and installation phase.

[0007] Preferably, in S2, the carbon emission sources during the construction phase of the cable laying assembly technology include: carbon emissions generated by the use of mechanical equipment, carbon emissions generated by water use during the construction process, and carbon emissions generated by the living and office activities of on-site staff.

[0008] Preferably, in said S3, the basic data required for the calculation of carbon emissions during the construction phase of the cable laying assembly technology include: on-site measured data of the carbon emission source project and the carbon emission factor.

[0009] Among them, the on-site measured data of the carbon emission source project include: the amount of machine shifts, the amount of man-days, the types and amounts of various energy sources, and the types and amounts of various construction materials.

[0010] Preferably, the total carbon emission C during the construction phase of the cable laying assembly technology is calculated as follows:

[0011] C=C cs +C y +C ja ,

[0012] Among them, C cs is the carbon emissions during the production phase of prefabricated components; C y is the carbon emission during the transportation of prefabricated components; C ja Carbon emissions during the construction and installation phase of prefabricated components.

[0013] Preferably, the carbon emissions during the prefabricated component production phase are cs The calculation formula is:

[0014] C cs =C cs1 +C cs2 +C cs3 ,

[0015] Among them, C cs1 Carbon emissions generated by the production of machinery and equipment; C cs2 Carbon emissions generated by water used for production; C cs3 Carbon emissions generated for production;

[0016] The carbon emissions generated by the production water are C cs2 The calculation formula is:

[0017] C cs2 =Wq,

[0018] Where W is the amount of water used in the production process; q is the carbon emission factor of water.

[0019] The production artificially generates carbon emissions C cs3 The calculation formula is:

[0020] Ccs3 =Lh,

[0021] Where L is the man-days required for production; h is the artificial carbon emission factor.

[0022] Preferably, the carbon emissions generated by the production machinery and equipment are cs1 The calculation formula is:

[0023]

[0024] Among them, U i is the usage of the i-th type of production machinery; F i is the energy consumption of the i-th production machine shift; f i is the carbon emission factor of the energy used by the i-th production machinery; R is the energy consumption of small production machinery; g is the carbon emission factor of the energy used by small production machinery;

[0025] Alternatively, the carbon emissions generated by the production machinery and equipment are cs1 The calculation formula is:

[0026]

[0027] Among them, G k is the amount of energy used for the kth energy source; f k is the carbon emission factor of the kth energy source.

[0028] Preferably, the carbon emissions during the transportation of the prefabricated components are y The calculation formula is:

[0029]

[0030] Among them, M i is the total mass of the i-th material; D i is the transportation distance of the i-th material; t i is the carbon emission factor per unit mass transportation distance of the transportation method used for the i-th material.

[0031] Preferably, the carbon emissions during the construction and installation phase of the prefabricated components are ja The calculation formula is:

[0032] C ja =C ja1 +C ja2 +C ja3 ,

[0033] Among them, C ja1 Carbon emissions generated by construction machinery and equipment; C ja2 Carbon emissions generated by water used for construction; C ja3 Carbon emissions generated for construction;

[0034] The carbon emissions generated by the construction water C ja2 The calculation formula is:

[0035] C ja2 =W x q x ,

[0036] Among them, W x is the water consumption during the construction process; q x is the carbon emission factor for water;

[0037] The construction artificially generated carbon emissions C ja3 The calculation formula is:

[0038] C ja3 =L x h x ,

[0039] Among them, L x The man-days required for construction; h x is the artificial carbon emission factor.

[0040] Preferably, the carbon emissions generated by the construction machinery and equipment are ja1 The calculation formula is:

[0041]

[0042] Among them, U xi is the usage of the i-th type of construction machinery; F xi is the energy consumption of the i-th type of construction machinery shift; f xi is the carbon emission factor of the energy used by the i-th type of construction machinery; R x Energy consumption for small construction machinery; g x Carbon emission factors for energy used by small construction machinery;

[0043] Alternatively, the carbon emissions generated by the construction machinery and equipment are ja1 The calculation formula is:

[0044]

[0045] Among them, G xk is the amount of energy used for the kth energy source; f xk is the carbon emission factor of the kth energy source.

[0046] To sum up, compared with the existing technology, the present invention provides a carbon emission calculation and evaluation method suitable for the construction stage of cable laying assembly technology. By accurately calculating the carbon emissions during the construction process of cable laying assembly technology, it provides scientific and reasonable carbon emission evaluation and management tools for enterprises and industries, so as to more effectively control and reduce carbon emissions; and can directly quantify the advantages of cable laying assembly technology in carbon reduction, provide strong support for the electric power construction industry to promote green and low-carbon development, and promote the green and low-carbon transformation of the industry. BRIEF DESCRIPTION OF THE DRAWINGS

[0047] Figure 1 A flow chart of the carbon emission calculation and evaluation method for the cable laying assembly technology of the present invention is provided. DETAILED DESCRIPTION

[0048] The following is combined with Figure 1 , the present invention is further explained by describing a preferred specific embodiment in detail.

[0049] It should be noted that the drawings are in a very simplified form and use non-precise proportions. They are only used to conveniently and clearly assist in explaining the embodiments of the present invention, and are not used to limit the conditions for the implementation of the present invention. Therefore, they have no substantive technical significance. Any structural modification, change in proportional relationship or adjustment of size, without affecting the effects and purposes that can be achieved by the present invention, should still fall within the scope of the technical content disclosed by the present invention.

[0050] It should be noted that, in the present invention, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only the elements explicitly listed, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0051] like Figure 1 As shown, the present invention provides a carbon emission calculation and evaluation method applicable to the construction stage of cable laying assembly technology, which specifically comprises the following steps:

[0052] S1. Delineate the carbon emission calculation boundary of the cable laying assembly technology construction stage;

[0053] S2. Determine the carbon emission sources during the construction phase of the cable laying assembly technology according to the calculation boundaries divided in S1;

[0054] S3. According to the carbon emission sources determined in S2, collect the basic data required for carbon emission calculation in the construction phase of cable laying assembly technology;

[0055] S4. Establish a carbon emission calculation model for the construction phase of cable laying assembly technology and calculate the carbon emissions.

[0056] Furthermore, in S1, the carbon emission calculation boundary of the construction phase of the cable laying assembly technology includes: carbon emissions in the prefabricated component production phase, carbon emissions in the transportation phase, and carbon emissions in the construction and installation phase.

[0057] It can be understood that the prefabricated component production stage mainly includes the production of prefabricated components in the factory, the transportation stage includes the transportation of prefabricated components, and the construction and installation stage includes the molding process of finally positioning, assembling and fixing the prefabricated components in the prefabricated construction.

[0058] Furthermore, in S2, the sources of carbon emissions during the construction phase of the cable laying assembly technology include: carbon emissions generated by the use of mechanical equipment, carbon emissions generated by water use during the construction process, and carbon emissions generated by the living and office activities of on-site staff (water, electricity, and gas use).

[0059] Furthermore, in the S3, the basic data include: on-site measured data of carbon emission source projects and carbon emission factors; wherein, the on-site measured data of carbon emission source projects include: machine shift usage, man-day usage, various energy types and usage, various construction material types and usage, etc.

[0060] Furthermore, in S4, the total carbon emission C during the construction phase of the cable laying assembly technology is calculated as follows:

[0061] C=C cs +C y +C ja ,

[0062] Among them, C cs is the carbon emissions during the production phase of prefabricated components; C y is the carbon emission during the transportation of prefabricated components; C ja Carbon emissions during the construction and installation phase of prefabricated components.

[0063] Furthermore, the carbon emissions during the prefabricated component production phase are cs The calculation formula is:

[0064] C cs =C cs1 +C cs2 +C cs3 ,

[0065] Among them, C cs1Carbon emissions generated by the production of machinery and equipment; C cs2 Carbon emissions generated by water used for production; C cs3 The carbon emissions generated by production.

[0066] It should be noted that the unit of carbon emissions is kgCO2.

[0067] Furthermore, the carbon emissions generated by the production machinery and equipment are cs1 The calculation formula is:

[0068]

[0069] Among them, U i is the usage of the i-th type of production machinery; F i is the energy consumption of the i-th production machine shift (in kWh / shift or kg / shift); f i is the carbon emission factor of the energy used in the i-th production machinery shift (its unit is kgCO2 / kWh or kgCO2 / kg); R is the energy consumption of small production machinery (its unit is kWh); g is the carbon emission factor of the energy used by small production machinery (its unit is kgCO2 / kWh).

[0070] In this embodiment, the carbon emissions generated by the production machinery and equipment can be calculated by combining the collected data with the carbon emission factor. cs1 As shown in Table 1:

[0071] Table 1 Carbon emission calculation of prefabricated component production machinery

[0072]

[0073] Furthermore, the carbon emissions generated by the production machinery and equipment are C cs1 It can also be calculated based on the type and amount of fuel consumed on site, and the calculation formula is:

[0074]

[0075] Among them, G k is the amount of energy used in the kth energy source (in kWh or kg); k is the carbon emission factor of the kth energy source (its unit is kgCO2 / kWh or kgCO2 / kg).

[0076] Furthermore, the carbon emissions generated by the production water are C cs2 The calculation formula is:

[0077] C cs2 =Wq,

[0078] Where W is the amount of water used in the production process (its unit is t); q is the carbon emission factor of water (its unit is kgCO2 / t).

[0079] In this embodiment, the water consumption is 11.2t, and the carbon emission factor of water is 0.168. Then the carbon emissions generated by the production water are:

[0080] C cs2 =11.2×0.168=1.88(kgCO2).

[0081] Furthermore, the production artificially generates carbon emissions C cs3 The calculation formula is:

[0082] C cs3 =Lh,

[0083] Wherein, L is the man-days required for production; h is the artificial carbon emission factor (its unit is kgCO2 / man-day).

[0084] In this embodiment, when the number of man-days is 15, the man-day carbon emission factor is 1.436, and the carbon emissions generated by the production man-days are:

[0085] C cs3 =15×1.436=21.54(kgCO2).

[0086] Furthermore, the carbon emissions during the transportation of the prefabricated components are y The calculation formula is:

[0087]

[0088] Among them, M i is the total mass of the ith material (in t); D i is the transportation distance of the ith material (in km); t i It is the carbon emission factor per unit mass transportation distance of the transportation mode used for the i-th material (its unit is [kgCO2e / (t·km)]).

[0089] In this embodiment, the information of the main transport materials is shown in Table 2:

[0090] Table 2 Main transportation material information

[0091] Material unit Project Quantity Prefab <![CDATA[m 3 ]]> 25.8

[0092] Among them, the converted mass of the prefabricated parts is 64.5t, and the selected transportation equipment is a heavy-duty gasoline truck (18t). After inquiry, it is found that the carbon emission factor of this type of transportation equipment is 0.104kgCO2e / (t·km). The transportation distance is 25km according to the actual situation. Therefore, the carbon emissions of the prefabricated components during the transportation stage are:

[0093] C y =64.5×0.104×25=167.7(kgCO2).

[0094] Furthermore, the carbon emissions during the construction and installation phase of the prefabricated components are ja The calculation formula is:

[0095] C ja =C ja1 +C ja2 +C ja3 ,

[0096] Among them, C ja1 Carbon emissions generated by construction machinery and equipment; C ja2 Carbon emissions generated by water used for construction; C ja3 Carbon emissions generated by construction.

[0097] Furthermore, the carbon emissions generated by the construction machinery and equipment are ja1 The calculation formula is:

[0098]

[0099] Among them, U xi is the usage of the i-th type of construction machinery; F xi is the energy consumption of the i-th type of construction machinery shift (the unit is kWh / shift or kg / shift); f xi is the carbon emission factor of the energy used by the i-th type of construction machinery (the unit is kgCO2 / kWh or kgCO2 / kg); R x is the energy consumption of small construction machinery (in kWh); g x It is the carbon emission factor of the energy used by small construction machinery (the unit is kgCO2 / kWh).

[0100] In this embodiment, the carbon emissions generated by the construction machinery and equipment can be calculated by combining the collected data with the carbon emission factor. ja1 As shown in Table 3:

[0101] Table 3 Calculation of mechanical carbon emissions during the construction and installation phase

[0102]

[0103] Furthermore, the carbon emissions generated by the construction machinery and equipment are ja1 It can also be calculated based on the type and amount of fuel consumed on site, and the calculation formula is:

[0104]

[0105] Among them, G xk is the amount of energy used in the kth energy source (in kWh or kg); xk is the carbon emission factor of the kth energy source (its unit is kgCO2 / kWh or kgCO2 / kg).

[0106] Furthermore, the carbon emissions generated by the construction water are C ja2 The calculation formula is:

[0107] C ja2 =W x q x ,

[0108] Among them, W x is the water consumption during the construction process (the unit is t); q x is the carbon emission factor of water (its unit is kgCO2 / t).

[0109] In this embodiment, the water consumption is 3 tons, and the carbon emission factor of water is 0.168. Then the carbon emissions generated by the construction water are:

[0110] C ja2 =3×0.168=0.504(kgCO2).

[0111] Furthermore, the construction artificially generates carbon emissions C ja3 The calculation formula is:

[0112] C ja3 =L x h x ,

[0113] Among them, L x The man-days required for construction; h x is the artificial carbon emission factor (its unit is kgCO2 / work day).

[0114] In this embodiment, when the man-day is 15, the man-day carbon emission factor is 1.436, then the man-day carbon emission generated by the construction is:

[0115] C ja3 =21×1.436=30.16(kgCO2).

[0116] To sum up, the present invention is a carbon emission calculation and evaluation method suitable for the construction stage of cable laying assembly technology. By accurately calculating the carbon emissions during the construction process of cable laying assembly technology, it provides scientific and reasonable carbon emission evaluation and management tools for enterprises and industries, so as to more effectively control and reduce carbon emissions; and can directly quantify the advantages of cable laying assembly technology in carbon reduction, provide strong support for the electric power construction industry to promote green and low-carbon development, and promote the green and low-carbon transformation of the industry.

[0117] Although the content of the present invention has been described in detail through the above preferred embodiments, it should be appreciated that the above description should not be considered as a limitation of the present invention. After reading the above content, it will be apparent to those skilled in the art that various modifications and substitutions of the present invention will occur. Therefore, the protection scope of the present invention should be limited by the appended claims.

Claims

1. A carbon emission calculation and evaluation method applicable to the construction stage of cable laying assembly technology, characterized in that: The specific steps include: S1. Delineate the carbon emission calculation boundary of the cable laying assembly technology construction stage; S2. Determine the carbon emission sources during the construction phase of the cable laying assembly technology according to the calculation boundaries divided in S1; S3. According to the carbon emission sources determined in S2, collect the basic data required for carbon emission calculation in the construction phase of cable laying assembly technology; S4. Establish a carbon emission calculation model for the construction phase of cable laying assembly technology and calculate the carbon emissions.

2. The carbon emission calculation and evaluation method applicable to the construction stage of cable laying assembly technology as claimed in claim 1 is characterized in that: In the above S1, the carbon emission calculation boundary of the construction phase of the cable laying assembly technology includes: carbon emissions in the prefabricated component production phase, carbon emissions in the transportation phase and carbon emissions in the construction and installation phase.

3. The carbon emission calculation and evaluation method applicable to the construction stage of cable laying assembly technology as claimed in claim 2 is characterized in that: In S2, the carbon emission sources during the construction phase of the cable laying assembly technology include: carbon emissions generated by the use of mechanical equipment, carbon emissions generated by water use during the construction process, and carbon emissions generated by the living and office activities of on-site staff.

4. The carbon emission calculation and evaluation method applicable to the construction stage of cable laying assembly technology as claimed in claim 3 is characterized in that: In the above S3, the basic data required for the carbon emission calculation in the construction phase of the cable laying assembly technology includes: on-site measured data of the carbon emission source project and the carbon emission factor; Among them, the on-site measured data of the carbon emission source project include: the amount of machine shifts, the amount of man-days, the types and amounts of various energy sources, and the types and amounts of various construction materials.

5. The carbon emission calculation and evaluation method applicable to the construction stage of cable laying assembly technology as claimed in claim 4 is characterized in that: The total carbon emissions C during the construction phase of the cable laying assembly technology is calculated as follows: C=C cs +C y +C ja , Among them, C cs is the carbon emissions during the production phase of prefabricated components; C y is the carbon emission during the transportation of prefabricated components; C ja Carbon emissions during the construction and installation phase of prefabricated components.

6. The carbon emission calculation and evaluation method applicable to the construction stage of cable laying assembly technology as claimed in claim 5 is characterized in that: The carbon emissions during the production phase of the prefabricated components are C cs The calculation formula is: C cs =C cs1 +C cs2 +C cs3 , Among them, C cs1 Carbon emissions generated by the production of machinery and equipment; C cs2 Carbon emissions generated by water used for production; C cs3 Carbon emissions generated for production; The carbon emissions generated by the production water are C cs2 The calculation formula is: C cs2 =Wq, Where W is the amount of water used in the production process; q is the carbon emission factor of water. The production artificially generates carbon emissions C cs3 The calculation formula is: C cs3 =Lh, Where L is the man-days required for production; h is the artificial carbon emission factor.

7. The carbon emission calculation and evaluation method applicable to the construction stage of cable laying assembly technology as claimed in claim 6 is characterized in that: The carbon emissions generated by the production machinery and equipment are C cs1 The calculation formula is: Among them, U i is the usage of the i-th type of production machinery; F i is the energy consumption of the i-th production machine shift; f i is the carbon emission factor of the energy used by the i-th production machinery; R is the energy consumption of small production machinery; g is the carbon emission factor of the energy used by small production machinery; Alternatively, the carbon emissions generated by the production machinery and equipment are cs1 The calculation formula is: Among them, G k is the amount of energy used for the kth energy source; f k is the carbon emission factor of the kth energy source.

8. The carbon emission calculation and evaluation method applicable to the construction stage of cable laying assembly technology as claimed in claim 5 is characterized in that: The carbon emissions during the transportation phase of the prefabricated components are C y The calculation formula is: Among them, M i is the total mass of the i-th material; D i is the transportation distance of the i-th material; t i is the carbon emission factor per unit mass transportation distance of the transportation method used for the i-th material.

9. The carbon emission calculation and evaluation method applicable to the construction stage of cable laying assembly technology as claimed in claim 5, characterized in that: The carbon emissions during the construction and installation phase of the prefabricated components are C ja The calculation formula is: C ja =C ja1 +C ja2 +C ja3 , Among them, C ja1 Carbon emissions generated by construction machinery and equipment; C ja2 Carbon emissions generated by water used for construction; C ja3 Carbon emissions generated for construction; The carbon emissions generated by the construction water C ja2 The calculation formula is: C ja2 =W x q x , Among them, W x is the water consumption during the construction process; q x is the carbon emission factor for water; The construction artificially generated carbon emissions C ja3 The calculation formula is: C ja3 =L x h x , Among them, L x The man-days required for construction; h x is the artificial carbon emission factor.

10. The carbon emission calculation and evaluation method applicable to the construction stage of cable laying assembly technology as claimed in claim 9, characterized in that: The carbon emissions generated by the construction machinery and equipment are C ja1 The calculation formula is: Among them, U xi is the usage of the i-th type of construction machinery; F xi is the energy consumption of the i-th type of construction machinery; f xi is the carbon emission factor of the energy used by the i-th type of construction machinery; R x Energy consumption for small construction machinery; g x Carbon emission factors for energy used by small construction machinery; Alternatively, the carbon emissions generated by the construction machinery and equipment are ja1 The calculation formula is: Among them, G xk is the amount of energy used for the kth energy source; f xk is the carbon emission factor of the kth energy source.

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