CN115099691A - Carbon emission accounting method and system based on turnover materials in building construction stage - Google Patents
Carbon emission accounting method and system based on turnover materials in building construction stage Download PDFInfo
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Abstract
The invention relates to the technical field of carbon emission accounting, solves the technical problems that in the prior art, the recycling rate and the turnover frequency of turnover materials are not considered, so that the carbon emission is incompletely calculated and the accuracy of a calculation result is low, and particularly relates to a carbon emission accounting method based on the turnover materials in a building construction stage, which comprises the following steps: acquiring relevant data of the turnover material; determining a functional unit and a target range of the carbon emission accounting of the revolving material in the building construction stage; acquiring relevant parameters of carbon emission accounting of the turnover material in each stage within a target range; and calculating the carbon emission of the turnover material in the building construction stage according to the relevant parameters of the carbon emission accounting of the turnover material in each stage in the target range. According to the invention, the carbon emission of the turnover material in the building construction stage is comprehensively and effectively calculated according to the self characteristics of the turnover material, so that the integrity and the accuracy of the carbon emission calculation in the building construction stage are improved.
Description
Technical Field
The invention relates to the technical field of carbon emission accounting, in particular to a carbon emission accounting method and system based on a turnover material in a building construction stage.
Background
In recent years, rapid urbanization in China drives the continuous development of the construction industry, the scale of the urban construction industry is continuously enlarged, the emission of greenhouse gases is continuously increased, and the carbon reduction pressure of the construction industry is huge. At present, the simplest method for calculating the carbon emission is an IPCC method, the carbon emission can be directly calculated by only knowing an emission factor and then using a formula of 'carbon emission is activity data multiplied by the emission factor', but the accuracy of a carbon emission calculation result is lower due to differences of production processes, regional distribution and technical levels.
Through retrieval, the patent of application No. 201711484771.2 discloses a building construction engineering carbon emission calculation method and system, which calculates building construction engineering carbon emission according to the functional unit of carbon emission calculation, a target range and a corresponding carbon emission factor determined in the target range, wherein the target range of carbon emission calculation comprises: a building material preparation stage, a building material transportation stage and a construction machine stage; patent application No. 202111627808 discloses a method for calculating carbon emission in construction phase of a building, which calculates carbon emission of construction machinery according to energy amount consumed by the construction machinery. However, when the carbon emission calculation method for the building construction engineering is used for calculating the carbon emission in the whole life cycle of the building construction, the carbon emission reduction amount generated by the recycling stage of the turnover materials after the construction is finished is not considered, so that the carbon emission calculation is incomplete, and the carbon emission calculation result in the whole life cycle of the building construction is not accurate enough.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a carbon emission accounting method and a carbon emission accounting system based on a revolving material in a building construction stage, solves the technical problems that in the prior art, the recycling rate of the revolving material is not considered, so that the carbon emission is incompletely calculated and the accuracy of the calculation result is low, and achieves the purpose of improving the carbon emission calculation integrity and accuracy of the revolving material.
In order to solve the technical problems, the invention provides the following technical scheme: the carbon emission accounting method based on the turnover materials in the building construction stage comprises the following steps of:
acquiring related data of the turnover material;
determining a functional unit and a target range of the turnover material carbon emission accounting in the building construction stage, wherein the target range comprises a turnover material production stage, a turnover material transportation stage, a turnover material installation stage and a turnover material recovery stage;
acquiring related parameters of carbon emission accounting in the production stage of the turnover materials, related parameters of carbon emission accounting in the transportation stage of the turnover materials, related parameters of carbon emission accounting in the installation stage of the turnover materials and related parameters of carbon emission reduction accounting in the recovery stage of the turnover materials;
calculating the carbon emission in the production stage of the turnover materials, the carbon emission in the transportation stage of the turnover materials, the carbon emission in the installation stage of the turnover materials and the carbon emission reduction in the recovery stage of the turnover materials;
and calculating the carbon emission of the turnover material in the building construction stage according to the carbon emission in the production stage of the turnover material, the carbon emission in the transportation stage of the turnover material, the carbon emission in the installation stage of the turnover material and the carbon reduction and emission in the recovery stage of the turnover material.
Further, obtaining relevant parameters of the carbon emission accounting in the production stage of the turnover material comprises: the amount of consumption of the turnaround material, the carbon emission factor of the turnaround material production, the amount of time the turnaround material is used during construction, and the amount of time the turnaround material is rated for.
Further, obtaining relevant parameters of the carbon emission accounting in the transportation stage of the turnover materials comprises: the consumption of turnover material, the average transport distance and the carbon emission factor of the transport machinery.
Further, obtaining relevant parameters of the carbon emission accounting in the installation stage of the turnover materials comprises: the consumption of the construction machine shift, the energy consumption of the construction machine shift and the carbon emission factor of the construction machine shift energy.
Further, obtaining relevant parameters of carbon emission reduction accounting in the recycling stage of the turnover materials comprises: the consumption of the turnover materials, the recycling rate of the turnover materials and the carbon emission factor of the recycled materials.
Further, the specific calculation formula of the carbon emission amount of the turnover material in the building construction stage is as follows:
C jc ＝(C jm +C jy +f cs -C hs )/A
wherein, C jm Refers to the carbon emission, C, in the production phase of the recycled material jy Carbon emission, f, in the transport phase of the circulating material cs Carbon emission, C, at the installation stage of the circulating material hs Refers to the carbon emission reduction at the recycling stage of the turnover material, and a refers to the building area of the calculated project.
Further, the relevant data of the turnover materials comprises the types of the turnover materials and the dosage of each turnover material.
Further, the functional unit refers to the carbon emission of the turnover material per unit building area.
A carbon emission accounting system based on recycled materials in a building construction phase, comprising:
the data acquisition module is used for acquiring related data of the turnover materials;
a determination module for determining a functional unit of a revolving material carbon emission accounting and a target range in a building construction phase, wherein the target range includes a revolving material production phase, a revolving material transportation phase, a revolving material installation phase, and a revolving material recovery phase;
the parameter acquisition module is used for acquiring related parameters of carbon emission accounting in the production stage of the turnover materials, related parameters of carbon emission accounting in the transportation stage of the turnover materials, related parameters of carbon emission accounting in the installation stage of the turnover materials and related parameters of carbon emission reduction accounting in the recovery stage of the turnover materials;
a first calculation module for calculating the carbon emission of the revolving material production stage, the carbon emission of the revolving material transportation stage, the carbon emission of the revolving material installation stage, and the carbon emission reduction of the revolving material recovery stage;
and the second calculation module is used for calculating the carbon emission of the turnover material in the building construction stage according to the carbon emission in the turnover material production stage, the carbon emission in the turnover material transportation stage, the carbon emission in the turnover material installation stage and the carbon reduction and emission in the turnover material recovery stage.
By means of the technical scheme, the invention provides a carbon emission accounting method and a carbon emission accounting system based on a turnover material in a building construction stage, and the carbon emission accounting method and the carbon emission accounting system at least have the following beneficial effects:
1. the invention defines the target range of the revolving material carbon emission accounting in the building construction stage from the perspective of the whole life cycle, and comprises a revolving material production stage, a revolving material transportation stage, a revolving material installation stage and a revolving material recovery stage, establishes a perfect carbon emission list, can comprehensively calculate the carbon emission of the revolving material in the building construction stage, and further improves the integrity and the accuracy of the building carbon emission accounting.
2. The invention recycles the turnover materials according to the characteristics of the turnover materials, can comprehensively and effectively calculate the carbon emission of the turnover materials in the building construction stage, solves the problem of incomplete calculation of the carbon emission of the turnover materials, and provides a quantitative basis for developing green building evaluation.
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The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a flow chart of a method of carbon emission accounting based on recycled materials during a building construction phase according to the present invention;
FIG. 2 is a range of calculations for carbon emissions based on the recycled material during the building construction phase according to the present invention;
FIG. 3 is a schematic representation of the carbon source of the present invention based on recycled materials during the building construction phase;
FIG. 4 is a block diagram of a carbon emissions accounting system based on recycled materials during the building construction phase of the present invention.
In the figure: 10. a data acquisition module; 20. a determination module; 30. a parameter acquisition module; 40. a first calculation module; 50. and a second calculation module.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below. Therefore, the realization process of how to apply technical means to solve the technical problems and achieve the technical effects can be fully understood and implemented.
It will be understood by those skilled in the art that all or part of the steps in the method for implementing the above embodiments may be implemented by relevant hardware instructed by a program, and therefore, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and so forth) having computer-usable program code embodied therein.
It should be noted that, for the construction industry, the "building carbon emission calculation standard" GB/T51366-2019 is the only standard for the calculation of the carbon emission of the current building, and in practice, it is found that the "building carbon emission calculation standard" GB/T51366-2019 includes the carbon emission of the whole life cycle of the production transportation stage, the construction stage, the operation stage and the demolition stage, wherein the carbon emission of the construction stage accounts for about 2% -3% of the whole carbon emission, and the carbon emission of the revolving material in the construction stage accounts for about 70% of the construction stage through the related data approval.
Referring to fig. 1 to fig. 3, a method for accounting carbon emission based on a turnover material in a building construction stage according to the present embodiment is shown, and specifically includes the following steps:
s101, acquiring related data of the turnover materials.
The turnover material is a material which can be used for many times in the building construction process, basically keeps the original physical form and gradually transfers the value. The variety of the turnover materials is various, and the variety of the needed turnover materials can be determined according to actual requirements.
In this embodiment, the types of turnover materials in the building construction stage include: plank sheathing, steel form, flitch, full hall frame steel pipe, full hall frame fastener, scaffold steel pipe, scaffold fastener, scaffold piece and safety net, and can calculate the quantity of every turnover material according to the building project location.
S102, determining a functional unit and a target range of the carbon emission accounting of the revolving materials in the building construction stage.
Specifically, the types of buildings can be classified into residential buildings, office buildings, commercial buildings, and the like, but the different types of buildings themselves have different structural systems, structural strengths, and required performances, and in order to reasonably estimate the carbon emission of the turnover material in the stages of the different types of buildings, in the embodiment, the carbon emission (kgCO) of the turnover material is turned over per unit building area 2 e/m 2 ) As a functional unit for accounting the carbon emission of the revolving materials in the building construction stage.
The carbon emission accounting of the revolving material covers the whole life cycle of the building construction phase, and the time boundary should be the time used by each partial project from project start-up to completion acceptance, so that the target range of the carbon emission accounting of the revolving material in the building construction phase in the present embodiment includes four stages of the revolving material production stage, the revolving material transportation stage, the revolving material installation stage and the revolving material recovery stage.
S103, obtaining relevant parameters of carbon emission accounting in the production stage of the turnover materials.
Specifically, the parameters related to carbon emission accounting in the production stage of the turnover material comprise: the amount of consumption of the turnaround material, a carbon emission factor for the production of the turnaround material, the amount of time the turnaround material is used during construction, and the amount of time the turnaround material is rated for use.
In this embodiment, the consumption of the turnover materials may be determined according to the site rating criteria for the construction project, and each turnover material may have a corresponding carbon emission factor, as shown in table 1:
TABLE 1 carbon emission factor for turnover material production
| Class of transfer material | Unit of | Carbon emission factor (kgCO) 2 e) |
| Wood formwork | m 3 | 487 |
| Steel shuttering | kg | 3.15 |
| Wood block | m 3 | 139 |
| Steel pipe for full framing | kg | 3.15 |
| Full hall frame fastener | kg | 3.15 |
| Scaffold steel pipe | kg | 3.15 |
| Scaffold fastener | kg | 3.15 |
| Foot and hand piece | m 2 | 1.72 |
| Safety net | m 2 | 3.7 |
In this example, each turnaround material was used for the amount of time during construction and each turnaround material was rated for the specified amount of time used, as shown in table 2:
table 2 amount of time used in the turnaround material during construction and amount of time used as dictated by the turnaround material quota
S104, calculating the carbon emission amount of the turnover material in the production stage according to the related parameters of the carbon emission accounting in the production stage of the turnover material, wherein the specific calculation formula is as follows:
wherein, C jm Refers to the carbon emission in the production phase of the recycled material, M i Means the consumption of the i-th turnover material, F i Refers to the carbon emission factor, C, produced by the i < th > turnover material ZX1 Refers to the amount of time that the turnaround material is used during construction, C ZX2 Refers to the amount of time the turnover material is rated for use.
And S105, acquiring relevant parameters of carbon emission accounting in the transportation stage of the turnover materials.
Specifically, the relevant parameters of the carbon emission accounting in the transportation stage of the turnover materials comprise: the consumption of turnaround material, the average transport distance and the carbon emission factor of the transport machinery.
It should be noted that, in theory, the carbon emission accounting in the transportation stage of the circulating material also includes: the basic data of the processes of production of transport machinery, infrastructure construction of transport roads and the like are not complete, and the environmental influence of the processes on the transportation of the turnover materials is small, so that the processes can be ignored.
In this embodiment, the consumption amount and the average transport distance of various turnover materials used in the construction stage of the building can be calculated and determined according to the construction project, and the mechanical equipment for transporting the turnover materials includes a gasoline truck and a diesel truck, and the gasoline truck and the diesel truck are classified into three types of light, medium and heavy, the carbon emission factor of the transport machine for transporting the turnover materials in the construction stage of the building is shown in table 3:
TABLE 3 carbon emission factor of transport machinery
| Kinds of modes of transportation | Carbon emission factor (kgCO) 2 e/(t·km)) |
| Light steamOil truck transport (load 2t) | 0.334 |
| Medium-sized petrol truck transport (load 8t) | 0.115 |
| Heavy petrol truck transport (load 10) | 0.104 |
| Heavy petrol truck transport (load 18) | 0.104 |
| Light diesel truck transport (load 2t) | 0.286 |
| Medium diesel truck transport (load 8t) | 0.179 |
| Heavy diesel truck transport (load 10) | 0.162 |
| Heavy diesel truck transport (load 18) | 0.129 |
| Heavy diesel truck transport (load 30) | 0.078 |
S106, calculating the carbon emission amount of the turnover material in the transportation stage according to the related parameters of the carbon emission accounting in the transportation stage of the turnover material, wherein the specific calculation formula is as follows:
wherein, C jy Carbon emissions, M, in the transport phase of the circulating material i Means the consumption of the i-th turnover material, D i Means the average transport distance, T, of the i-th material i Refers to the carbon emission factor (kgCO) of unit weight transportation distance under the transportation mode of the i-th turnover material 2 e/(t km)), 1 refers to one-sided 1 transport of the turnaround material from the materials factory to the construction project, α HSi Refers to a single-sided 1 transport of non-consumed recycled material from the recycled material plant to the construction project.
And S107, acquiring related parameters of carbon emission accounting in the installation stage of the circulating material.
Specifically, the parameters related to carbon emission accounting in the installation stage of the turnover materials comprise: the consumption of the construction machine shift, the energy consumption of the construction machine shift and the carbon emission factor of the construction machine shift energy.
In this embodiment, the number of shifts of the construction machine at the installation stage of the turnover material can be determined according to the rating standard of the site of the construction project, and the consumption of the shift of the construction machine of the turnover material is shown in table 4:
TABLE 4 bench consumption of construction machinery
In this example, the energy consumption of the construction machine at the installation stage of the turnover material is as shown in table 5:
TABLE 5 energy usage of a construction machine team
In this embodiment, the carbon emission factor of the construction machine shift in the installation stage of the turnover material (which may be obtained from the latest published data by the development and modification commission) consumes energy, as shown in table 6:
TABLE 6 carbon emission factor of construction machinery bench energy consumption
| Name of energy | Carbon emission factor |
| North China regional power grid | 0.8843kgCO 2 /kWh |
| Northeast regional power grid | 0.7769kgCO 2 /kWh |
| China east regional power grid | 0.7035kgCO 2 /kWh |
| Huazhong regional power grid | 0.5257kgCO 2 /kWh |
| Northwest regional power grid | 0.6671kgCO 2 /kWh |
| Southern regional power grid | 0.5271kgCO 2 /kWh |
| Gasoline (gasoline) | 2.26kgCO 2 /kg |
S108, calculating the carbon emission amount of the turnover material in the installation stage according to the related parameters of the carbon emission accounting in the installation stage of the turnover material, wherein the specific calculation formula is as follows:
wherein f is cs Carbon emission, T, of a work machine of the type of turnover material j Means the bench consumption, R, of the jth construction machine j Means energy consumption, EF, of the jth construction machine class l Refers to the carbon emission factor of the l-th energy source.
S109, obtaining relevant parameters of carbon emission reduction accounting in the recycling stage of the turnover materials.
Specifically, the relevant parameters of carbon emission reduction accounting in the recycling stage of the turnover materials comprise: the consumption of the turnover materials, the recycling rate of the turnover materials and the carbon emission factor of the recycled materials.
It should be noted that the recycling rate of the recycled materials and the carbon emission factor of the recycled materials can be evaluated according to relevant specification standards or documents. In this embodiment, the recycling ratio of the recycled materials and the value of the carbon emission factor of the recycled materials are shown in table 7:
TABLE 7 recycle ratio of recycled material and carbon emission factor of recycled material
| Class of transfer material | Recovery utilization rate | Recycled material | Carbon emission factor of recycled material |
| Wood formwork | 0.5 | Wood material | 139kgCO2e/m3 |
| Steel shuttering | 0.9 | Coarse steel | 1942.5kgCO2e/t |
| Wood block | 0.65 | Wood material | 139kgCO2e/m3 |
| Steel pipe full of hall frame | 0.9 | Coarse steel | 1942.5kgCO2e/t |
| Full hall frame fastener | 0.9 | Coarse steel | 1942.5kgCO2e/t |
| Scaffold steel pipe | 0.9 | Coarse steel | 1942.5kgCO2e/t |
| Scaffold fastener | 0.9 | Coarse steel | 1942.5kgCO2e/t |
| Foot and hand piece | Is free of | Is free of | - |
| Safety net | Is free of | Is free of | - |
S110, calculating the carbon emission reduction volume of the recycling stage of the recycling material according to the related parameters of carbon emission reduction accounting of the recycling stage of the recycling material, wherein the specific calculation formula is as follows:
wherein, C hs Carbon emission reduction, M, in the recycling stage of the recycled material i Means the amount of i-th turnover material consumed, η i Means the recovery and utilization factor, EF, of the i-th turnover material i Refers to the carbon emission factor of the i-th turnover material.
S111, calculating the carbon emission of the turnover material in the building construction stage according to the carbon emission in the turnover material production stage, the carbon emission in the turnover material transportation stage, the carbon emission in the turnover material installation stage and the carbon emission reduction in the turnover material recovery stage, wherein the specific calculation formula is as follows:
C jc ＝(C jm +C jy +f cs -C hs )/A
wherein, C jm Refers to the carbon emission, C, in the production phase of the recycled material jy Carbon emission, f, in the transport phase of the circulating material cs Carbon emission, C, at the installation stage of the circulating material hs Refers to the carbon emission reduction at the recycling stage of the turnover material, and a refers to the building area of the calculated project.
Through the embodiment, the target range of the revolving material carbon emission accounting in the building construction stage is determined from the full life cycle perspective, the target range comprises a revolving material production stage, a revolving material transportation stage, a revolving material installation stage and a revolving material recovery stage, and a perfect carbon emission list is established, so that the carbon emission of the revolving material in the measure expense in the building construction stage can be comprehensively calculated, the carbon emission of the revolving material accounts for about 70% of the carbon emission in the building construction stage, and the integrity and the accuracy of the building carbon emission calculation are further improved.
Referring to fig. 4, the present embodiment further provides a system for implementing the carbon emission accounting method based on the turnover material in the building construction stage, including:
the data acquisition module 10 is used for acquiring related data of the turnover materials, and the related data of the turnover materials used by the construction project can be acquired according to the construction organization design and comprise the types of the turnover materials and the using amount of each turnover material;
the determining module 20 is used for determining a functional unit and a target range of the turnover material carbon emission accounting in the building construction stage, wherein the target range of the turnover material carbon emission accounting in the building construction stage comprises a turnover material production stage, a turnover material transportation stage, a turnover material installation stage and a turnover material recovery stage;
a parameter obtaining module 30, wherein the parameter obtaining module 30 is configured to obtain a relevant parameter of carbon emission accounting in the production stage of the turnover material, a relevant parameter of carbon emission accounting in the transportation stage of the turnover material, a relevant parameter of carbon emission accounting in the installation stage of the turnover material, and a relevant parameter of carbon emission reduction accounting in the recovery stage of the turnover material;
the first calculation module 40 is used for sequentially and respectively calculating the carbon emission amount of the production stage of the turnover materials, the carbon emission amount of the transportation stage of the turnover materials, the carbon emission amount of the installation stage of the turnover materials and the carbon emission reduction amount of the recovery stage of the turnover materials according to the acquired relevant parameters of the carbon emission calculation of the production stage of the turnover materials, the relevant parameters of the carbon emission calculation of the transportation stage of the turnover materials, the relevant parameters of the carbon emission calculation of the installation stage of the turnover materials and the relevant parameters of the carbon emission reduction calculation of the recovery stage of the turnover materials;
a second calculation module 50, wherein the second calculation module 50 is used for calculating the carbon emission of the turnover material in the building construction stage according to the carbon emission in the turnover material production stage, the carbon emission in the turnover material transportation stage, the carbon emission in the turnover material installation stage and the carbon reduction in the turnover material recovery stage.
Through the embodiment, the carbon emission amount of the circulating material in the measure expense of the building construction stage can be comprehensively calculated by establishing the complete carbon emission list of the circulating material, and the carbon emission amount of the circulating material accounts for about 70% of the carbon emission amount of the building construction stage through the verification of the construction project data, so that the integrity and the accuracy of the building carbon emission calculation are improved.
The system for accounting for carbon emission based on recycled materials in the building construction stage of this embodiment is used to implement the corresponding method for accounting for carbon emission based on recycled materials in the building construction stage in the foregoing multiple method embodiments, and has the beneficial effects of the corresponding method embodiments, which are not described herein again.
The embodiments in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. For each of the above embodiments, since they are basically similar to the method embodiments, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiments.
The present invention has been described in detail with reference to the foregoing embodiments, and the principles and embodiments of the present invention have been described herein with reference to specific examples, which are provided only to assist understanding of the methods and core concepts of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (9)
1. The carbon emission accounting method based on the turnover materials in the building construction stage is characterized by comprising the following steps of:
acquiring relevant data of the turnover material;
determining a functional unit and a target range of the turnover material carbon emission accounting in the building construction stage, wherein the target range comprises a turnover material production stage, a turnover material transportation stage, a turnover material installation stage and a turnover material recovery stage;
acquiring related parameters of carbon emission accounting in the production stage of the turnover materials, related parameters of carbon emission accounting in the transportation stage of the turnover materials, related parameters of carbon emission accounting in the installation stage of the turnover materials and related parameters of carbon emission reduction accounting in the recovery stage of the turnover materials;
calculating the carbon emission in the production stage of the turnover materials, the carbon emission in the transportation stage of the turnover materials, the carbon emission in the installation stage of the turnover materials and the carbon emission reduction in the recovery stage of the turnover materials;
and calculating the carbon emission of the turnover materials in the building construction stage according to the carbon emission in the turnover material production stage, the carbon emission in the turnover material transportation stage, the carbon emission in the turnover material installation stage and the carbon emission reduction in the turnover material recovery stage.
2. The method of carbon emission accounting according to claim 1, wherein obtaining parameters related to carbon emission accounting at the production stage of the turnaround material comprises: the amount of consumption of the turnaround material, a carbon emission factor for the production of the turnaround material, the amount of time the turnaround material is used during construction, and the amount of time the turnaround material is rated for use.
3. The method of carbon emission accounting according to claim 1, wherein obtaining relevant parameters for the turnover material transportation phase carbon emission accounting comprises: the consumption of turnover material, the average transport distance and the carbon emission factor of the transport machinery.
4. The carbon emission accounting method of claim 1, wherein obtaining relevant parameters for the carbon emission accounting at the installation stage of the turnaround material comprises: the consumption of the construction machine bench, the energy consumption of the construction machine bench and the carbon emission factor of the construction machine bench energy.
5. The carbon emission accounting method of claim 1, wherein obtaining relevant parameters for the carbon emission reduction accounting in the revolving material recovery stage comprises: the consumption of the turnover materials, the recycling rate of the turnover materials and the carbon emission factor of the recycled materials.
6. The carbon emission accounting method of claim 1, wherein the carbon emission amount of the turnover material in the building construction stage is specifically calculated by the formula:
C jc ＝(C jm +C jy +f cs -C hs )/A
wherein, C jm Refers to the carbon emission, C, in the production phase of the recycled material jy Carbon emission, f, in the transport phase of the circulating material cs Carbon emission, C, at the installation stage of the circulating material hs Refers to the carbon emission reduction at the recycling stage of the turnover material, and a refers to the building area of the calculated project.
7. The carbon emission accounting method of claim 1, wherein the relevant data for the turnover materials comprises turnover material type and usage of each turnover material.
8. The method of carbon emission accounting according to claim 1, wherein the functional unit refers to a turnover material carbon emission per building area.
9. A system for implementing the carbon emission accounting method of any one of the above claims 1-8, comprising:
a data acquisition module (10), wherein the data acquisition module (10) is used for acquiring relevant data of the turnover materials;
a determination module (20), the determination module (20) for determining a functional unit of a revolving material carbon emission accounting and a target range for a building construction phase, wherein the target range includes a revolving material production phase, a revolving material transportation phase, a revolving material installation phase, and a revolving material recovery phase;
the parameter acquisition module (30) is used for acquiring relevant parameters of carbon emission accounting in the production stage of the turnover materials, relevant parameters of carbon emission accounting in the transportation stage of the turnover materials, relevant parameters of carbon emission accounting in the installation stage of the turnover materials and relevant parameters of carbon emission reduction accounting in the recovery stage of the turnover materials;
a first calculation module (40), the first calculation module (40) being configured to calculate a carbon emission amount of the recycled material production phase, a carbon emission amount of the recycled material transportation phase, a carbon emission amount of the recycled material installation phase, and a carbon emission reduction amount of the recycled material recovery phase;
a second calculation module (50), wherein the second calculation module (50) is used for calculating the carbon emission of the turnover materials in the building construction stage according to the carbon emission of the turnover material production stage, the carbon emission of the turnover material transportation stage, the carbon emission of the turnover material installation stage and the carbon reduction and emission of the turnover material recovery stage.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116188225A (en) * | 2022-12-14 | 2023-05-30 | 中铁隧道局集团有限公司 | Method and system for accounting carbon emission in tunnel building material transportation stage |
| CN116933965A (en) * | 2023-07-05 | 2023-10-24 | 九郡绿建管理技术(嘉兴)有限公司 | Accounting and carbon label calculating method based on carbon footprint of assembled building component |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116188225A (en) * | 2022-12-14 | 2023-05-30 | 中铁隧道局集团有限公司 | Method and system for accounting carbon emission in tunnel building material transportation stage |
| CN116933965A (en) * | 2023-07-05 | 2023-10-24 | 九郡绿建管理技术(嘉兴)有限公司 | Accounting and carbon label calculating method based on carbon footprint of assembled building component |
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