CN109002657B - Carbon emission calculation method and system for precast concrete member - Google Patents
Carbon emission calculation method and system for precast concrete member Download PDFInfo
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- CN109002657B CN109002657B CN201811031498.2A CN201811031498A CN109002657B CN 109002657 B CN109002657 B CN 109002657B CN 201811031498 A CN201811031498 A CN 201811031498A CN 109002657 B CN109002657 B CN 109002657B
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Abstract
The invention provides a method and a system for calculating carbon emission of a precast concrete member, which start from the process of manufacturing and maintaining the precast concrete member with higher industrial automation degree, measure the carbon emission of each cubic meter of the precast concrete member in the process of manufacturing and maintaining by using a deepening drawing and statistical data, and calculate the carbon emission of the precast concrete member by the deepening drawing and the statistical manufacturing process data. The method not only depends on a theoretical drawing, but also combines an actual manufacturing process, and can objectively reflect the carbon emission of the precast concrete member, thereby realizing the accurate measurement of the carbon emission of the precast concrete member.
Description
Technical Field
The invention relates to a carbon emission calculation method and system for a precast concrete member.
Background
Research on the carbon emission of the whole life cycle of the building mainly focuses on the using stage of the building, and the carbon emission in the production and construction stages of building materials is seldom considered. In the actual calculation process, a relatively rough method is mainly adopted for estimation, so that the complete greenhouse gas list analysis and comprehensive emission calculation and assessment in the production and construction stages of building materials are lacked.
Disclosure of Invention
The invention aims to provide a carbon emission calculation method and a carbon emission calculation system for a precast concrete member, which can solve the problem that the carbon emission calculation mode of the existing precast concrete member is inaccurate.
In order to solve the above problems, the present invention provides a method for calculating carbon emission of a precast concrete member, comprising:
obtaining the size of a member, the grade and the using amount of concrete, the grade and the using amount of reinforcing steel bars and the using amount of auxiliary turnover materials as first data through deepening drawings;
acquiring the capacity of the component factory, energy, water resource consumption, turnover times of auxiliary turnover materials and the using amount of the auxiliary turnover materials in a preset period of time as second data through statistical data;
and calculating the carbon emission of the precast concrete member according to the first data and the second data.
Further, in the above method, the calculating the carbon emission amount of the precast concrete member includes:
the carbon emission amount of the precast concrete unit is calculated according to the following formula,
the carbon emission of the precast concrete member = the carbon emission generated by direct building materials + the carbon emission generated by auxiliary turnover materials + the carbon emission generated by member factories.
Further, in the above method, the direct building material-generated carbon emission is calculated according to the following formula:
in the formula, ZC represents the dosage of the main building material;
EFzc represents the primary building material carbon emission factor;
i represents a main building material type.
Further, in the above method, the amount of carbon emissions generated by the auxiliary revolving material is calculated according to the following formula:
in the formula, ZZ represents the dosage of an auxiliary turnover material;
CS k representing the number of turnover;
CS y indicating the number of times of turnover;
EF ZZ representing an auxiliary turnover material carbon emission factor;
i represents the auxiliary turnover material type.
Further, in the above method, the amount of carbon emissions generated by the component plant is calculated according to the following formula:
in the formula, NXH represents the annual component plant consumption;
NCL represents the annual production of the component plant;
JSL represents a component square quantity;
EF XH represents a carbon consumption emission factor;
i represents a member type.
According to another aspect of the present invention, there is provided a carbon emission calculation system of a precast concrete member, including:
the first device is used for obtaining the size of a component, the grade and the using amount of concrete, the grade and the using amount of steel bars and the using amount of auxiliary turnover materials as first data through deepening drawings;
the second device is used for obtaining the capacity of the component factory, energy and water resource consumption, the turnover frequency of the auxiliary turnover materials and the usage amount of the auxiliary turnover materials in a preset period of time as second data through statistical data;
and the third device is used for calculating the carbon emission of the precast concrete component according to the first data and the second data.
Further, in the above system, the third means is configured to calculate the carbon emission of the precast concrete unit according to the following formula:
the carbon emission of the precast concrete member = the carbon emission generated by direct building materials + the carbon emission generated by auxiliary turnover materials + the carbon emission generated by member factories.
Further, in the above system, the third means is for calculating the direct building material-produced carbon footprint according to the following equation:
wherein ZC represents the usage amount of the main building material;
EFzc represents the major building material carbon emission factor;
i represents a main building material type.
Further, in the above system, the third means is configured to calculate the carbon emissions produced by the auxiliary revolving material according to the following formula:
in the formula, ZZ represents the consumption of auxiliary transfer materials;
CS k representing the number of turnover;
CS y indicating the number of times of turnover;
EF ZZ representing an auxiliary turnover material carbon emission factor;
i represents the auxiliary turnover material type.
Further, in the above system, the third means is configured to calculate the carbon emissions produced by the component plant according to the following formula:
in the formula, NXH represents the annual component plant consumption;
NCL represents the annual production of the component factory;
JSL represents a component square quantity;
EF XH represents a carbon consumption emission factor;
i represents a member type.
Compared with the prior art, the method starts with the precast concrete component manufacturing and maintaining process with higher industrial automation degree, measures the carbon emission in the concrete precast component manufacturing and maintaining process per cubic meter by using the deepening drawing and the statistical data, and calculates the carbon emission of the precast concrete component by the deepening drawing and the statistical manufacturing process data. The method not only depends on a theoretical drawing, but also combines an actual manufacturing process, and can objectively reflect the carbon emission of the precast concrete member, thereby realizing the accurate determination of the carbon emission of the precast concrete member.
Drawings
Fig. 1 is a schematic diagram of a method and a system for calculating carbon emission of a precast concrete unit according to an embodiment of the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description thereof.
As shown in fig. 1, the present invention provides a carbon emission calculation method of a precast concrete member, including:
step S1, obtaining the size of a component, the grade and the dosage of concrete, the grade and the dosage of reinforcing steel bars and the dosage of auxiliary turnover materials as first data through deepening drawings;
in the method, the size of a component, the grade and the dosage of concrete, the grade and the dosage of reinforcing steel bars and auxiliary turnover materials such as the dosage of templates are obtained through deepening drawings;
s2, acquiring the capacity of the component factory, energy and water resource consumption, the turnover times of auxiliary turnover materials and the consumption of the auxiliary turnover materials in a preset period of time as second data through statistical data;
the method comprises the steps of obtaining data such as the capacity of a component factory, energy and water resource consumption, the turnover frequency of auxiliary turnover materials such as a template, the using amount of the auxiliary turnover materials and the like in a period of time through statistical data;
and S3, calculating the carbon emission of the precast concrete component according to the first data and the second data.
Starting from the precast concrete member manufacturing and maintaining process with high industrial automation degree, the carbon emission in the precast concrete member manufacturing and maintaining process per cubic meter is measured by using the deepening drawing and the statistical data, and the carbon emission of the precast concrete member is calculated by using the deepening drawing and the statistical manufacturing process data. The method not only depends on a theoretical drawing, but also combines an actual manufacturing process, and can objectively reflect the carbon emission of the precast concrete member, thereby realizing the accurate measurement of the carbon emission of the precast concrete member.
The invention is combined with design drawing and component manufacturing. The calculation method provided by the invention needs to combine the processing capacity of the component to reflect the level of the processed component. The method has clear calculation mode, and each calculation step and data content can be traced.
In an embodiment of the method for calculating carbon emission of a precast concrete unit according to the present invention, the calculating the carbon emission of the precast concrete unit includes:
the carbon emission amount of the precast concrete unit is calculated according to the following formula,
the carbon emission of the precast concrete member = the carbon emission generated by direct building materials + the carbon emission generated by auxiliary turnover materials + the carbon emission generated by member factories.
Here, the carbon emission amount of the prefabricated parts is divided into direct emission and indirect emission. The direct discharge includes: building material carbon emission and auxiliary turnover material carbon emission, and the indirect emission is the carbon emission of a component factory.
Carbon emission of precast concrete members:
E GJ ＝Ezc+E ZZ +E XH (1)
E GJ represents the carbon emission of the precast concrete member;
ezc represents the carbon emissions produced by direct building materials;
E ZZ indicating the carbon emission produced by the auxiliary turnover material;
E XH indicating that the component factory generates carbon emissions.
In an embodiment of the method for calculating carbon emission of a precast concrete member of the present invention, the carbon emission amount generated by the direct construction material is calculated according to the following formula:
wherein ZC represents the usage amount of the main building material;
EFzc represents the major building material carbon emission factor;
i represents a main building material type.
Here, the direct building material generation carbon emission = main building materials (other materials such as reinforcing steel bars and concrete used) x respective carbon emission coefficients.
In an embodiment of the method for calculating carbon emission of a precast concrete member, the carbon emission generated by the auxiliary turnover material is calculated according to the following formula:
in the formula, ZZ represents the dosage of an auxiliary turnover material;
CS k representing the number of turnover;
CS y indicating the number of times of turnover;
EF ZZ representing an auxiliary turnover material carbon emission factor;
i represents the auxiliary turnover material type.
Here, the auxiliary revolving material yields a carbon emission = auxiliary revolving material usage ÷ number of possible revolutions × number of revolutions × respective carbon emission coefficient.
In an embodiment of the method for calculating carbon emission of precast concrete member of the present invention, the carbon emission generated by the member plant is calculated according to the following formula:
in the formula, NXH represents the annual consumption (energy consumption, water consumption, etc.) of the component plant;
NCL represents the annual production of the component plant;
JSL represents a component square quantity;
EF XH representing a consumption (energy, water, etc.) carbon emission factor;
i represents a member type.
Here, the component factory generates carbon emission = annual consumption of the component factory (energy consumption, water consumption, etc.) ÷ annual component yield × component square amount × individual carbon emission coefficient.
Specifically, considering that the component factory may have a certain influence on the processing of the component due to time, climate, etc. during the production process, the energy production, energy and water resource consumption of the component factory may be calculated as the average value of the auxiliary material usage according to the value over one year as the consumption value.
The present invention also provides another carbon emission calculation system for a precast concrete unit, including:
according to another aspect of the present invention, there is provided a carbon emission calculation system of a precast concrete member, including:
the first device is used for obtaining the size of a component, the grade and the using amount of concrete, the grade and the using amount of steel bars and the using amount of auxiliary turnover materials as first data through deepening drawings;
the second device is used for obtaining the capacity of the component factory, energy and water resource consumption, the turnover frequency of the auxiliary turnover materials and the usage amount of the auxiliary turnover materials in a preset period of time as second data through statistical data;
and third means for calculating the carbon emission of the precast concrete unit based on the first data and the second data.
Further, in the above system, the third means is configured to calculate the carbon emission of the precast concrete unit according to the following formula:
the carbon emission of the precast concrete member = the carbon emission generated by direct building materials + the carbon emission generated by auxiliary turnover materials + the carbon emission generated by member factories.
Further, in the above system, the third means is for calculating the direct building material carbon emission according to the following formula:
wherein ZC represents the usage amount of the main building material;
EFzc represents the primary building material carbon emission factor;
i represents a main building material type.
Further, in the above system, the third means is configured to calculate the carbon emissions produced by the auxiliary revolving material according to the following formula:
in the formula, ZZ represents the dosage of an auxiliary turnover material;
CS k representing the number of turnover;
CS y indicating the number of times of turnover;
EF ZZ representing an auxiliary turnover material carbon emission factor;
i represents the auxiliary turnover material type.
Further, in the above system, the third means is configured to calculate an amount of carbon emissions generated by the component plant according to the following formula:
in the formula, NXH represents the annual component plant consumption;
NCL represents the annual production of the component plant;
JSL represents a component square quantity;
EF XH represents a carbon consumption emission factor;
i represents a member type.
In the present specification, the embodiments 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.
Those of skill would further appreciate that the various illustrative components and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that the components and steps of the various examples have been described above generally in terms of their functionality in order to clearly illustrate this interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the technical solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
It will be apparent to those skilled in the art that various changes and modifications may be made in the invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (2)
1. A method of calculating carbon emissions of a precast concrete member, comprising:
obtaining the size of a member, the grade and the using amount of concrete, the grade and the using amount of reinforcing steel bars and the using amount of auxiliary turnover materials as first data through deepening drawings;
acquiring the capacity of the component factory, energy, water resource consumption, turnover times of auxiliary turnover materials and the using amount of the auxiliary turnover materials in a preset period of time as second data through statistical data;
calculating the carbon emission of the precast concrete component according to the first data and the second data;
the method for calculating the carbon emission of the precast concrete component comprises the following steps:
the carbon emission amount of the precast concrete unit is calculated according to the following formula,
the carbon emission of the precast concrete member is the carbon emission generated by direct building materials, the carbon emission generated by auxiliary turnover materials and the carbon emission generated by member factories;
the carbon emission of the direct building material is calculated according to the following formula:
in the formula, ZC i Indicating the amount of the main building materials;
EFzci represents a major building material carbon emission factor;
n represents a main building material type;
the carbon emission amount generated by the auxiliary turnover material is calculated according to the following formula:
in the formula (ZZ) i Representing the usage of auxiliary turnover materials;
CS k representing the number of turnover;
CS y indicating the number of times of turnover;
EF ZZi representing an auxiliary turnover material carbon emission factor;
m represents the type of auxiliary turnover material;
the carbon emission amount of the component plant is calculated according to the following formula:
in the formula, NXH i Representing the annual consumption of the component factory;
NCL i representing the annual production of the component plant;
JSL i representing the component amount;
EF XHi represents a carbon consumption emission factor;
q represents a member type.
2. A carbon emissions calculation system for a precast concrete component, comprising:
the first device is used for obtaining the size of a component, the grade and the using amount of concrete, the grade and the using amount of steel bars and the using amount of auxiliary turnover materials as first data through deepening drawings;
the second device is used for obtaining the capacity of the component factory, energy and water resource consumption, the turnover frequency of the auxiliary turnover materials and the usage amount of the auxiliary turnover materials in a preset period of time as second data through statistical data;
third means for calculating the carbon emission of the precast concrete unit based on the first data and the second data;
the third device is used for calculating the carbon emission of the precast concrete component according to the following formula:
the carbon emission of the precast concrete member is the carbon emission generated by direct building materials, the carbon emission generated by auxiliary turnover materials and the carbon emission generated by member factories;
the third device is used for calculating the carbon emission of the direct building material according to the following formula:
in the formula, ZC i Indicating the dosage of the main building materials;
EFzci represents the major building material carbon emission factor;
n represents a main building material type;
the third device is used for calculating the carbon emission generated by the auxiliary turnover material according to the following formula:
in the formula (ZZ) i Representing the usage of auxiliary turnover materials;
CS k representing the number of turnover;
CS y indicating the number of times of turnover;
EF ZZi representing an auxiliary turnover material carbon emission factor;
m represents the type of auxiliary turnover material;
the third device is used for calculating the carbon emission generated by the component factory according to the following formula:
in the formula, NXH i Representing the annual consumption of the component factory;
NCL i indicating memberAnnual plant yield;
JSL i representing the component amount;
EF XHi represents a carbon consumption emission factor;
q represents a member type.
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