CN-115965267-B - Engineering geological investigation enterprise carbon emission calculation and evaluation method

CN115965267BCN 115965267 BCN115965267 BCN 115965267BCN-115965267-B

Abstract

The invention discloses a calculation and evaluation method for carbon emission of an engineering geological investigation enterprise, which comprises the following steps of determining a calculation boundary and a time range of carbon emission of the engineering geological investigation enterprise, tracking carbon emission sources in the calculation boundary, selecting carbon emission factors, quantifying carbon emission of each project, summarizing carbon emission of each project, calculating carbon emission of the engineering geological investigation enterprise, analyzing carbon emission of each project, and selecting carbon emission of unit production value to evaluate a single project. The invention creatively realizes the carbon emission calculation of engineering geological investigation enterprises on the basis of the carbon emission calculation of single projects, provides modularized carbon emission information for the enterprises, creatively provides the carbon emission of unit production value as the functional parameter of the enterprises for evaluating the single projects so as to help the enterprises evaluate the carbon emission cost of the projects, compares the carbon emission difference among different projects, analyzes the carbon emission reduction space of the projects and helps the enterprises to realize the low-carbon target.

Inventors

SHI MINGJUAN
CAO YUTING
ZHANG JIXING
JIAO TIYUAN

Assignees

中国计量大学

Dates

Publication Date: 20260512
Application Date: 20221114

Claims (4)

1. The method for calculating and evaluating the carbon emission of the engineering geological investigation enterprise is characterized by comprising the following steps of: Step 1, determining a carbon emission calculation boundary and a time range of an engineering geological survey enterprise, and tracking a carbon emission source in the boundary; Step2, selecting carbon emission factors and quantifying carbon emission of each project; step 3, summarizing the carbon emission of each item, and calculating the carbon emission of engineering geological investigation enterprises; Step 4, analyzing the carbon emission of each project, and selecting the carbon emission of a unit production value to evaluate a single project; The step 2 specifically comprises the following steps: 2-1 quantification of carbon emissions for individual projects: Q x is the carbon emission of a certain project of an engineering geological survey enterprise, Q 1 is the carbon emission of the mechanical equipment entering field of the certain project, Q 2 is the carbon emission of the engineering driller construction of the certain project, Q 3 is the carbon emission of other mechanical equipment of the certain project, Q 4 is the sample-feeding carbon emission of the certain project, Q 5 is the carbon emission of the management of the construction site of the certain project, and Q 6 is the carbon emission of vegetation destruction of the certain project; quantification of carbon emission of mechanical equipment entering field: Wherein Q 1 is the carbon emission of a certain item of mechanical equipment in a factory, n 1 is the type of the mechanical equipment, n 2 is the mode of transporting the mechanical equipment, M i,j is the weight of the mechanical equipment, D i,j is the transport distance of the mechanical equipment in the field, and F i,j is the carbon emission factor of the unit mass unit distance of the transport mechanical equipment; the method comprises the following steps of: Wherein Q 2 is the construction carbon emission of a project engineering driller, n 3 is the number of construction drillers put into a construction site, d b is the energy consumption of each driller, and f b is the carbon emission factor of the energy; Wherein, quantification of carbon emission of other construction machinery equipment: Wherein Q3 is the carbon emission of other mechanical equipment of a certain project, n 4 is the energy consumption type of other mechanical equipment, EF k is the total energy consumption amount of other mechanical equipment, and AD k is the energy consumption carbon emission factor of other mechanical equipment; wherein, the quantification of sample-feeding carbon emission Wherein Q 4 is the carbon emission amount of a sample sent by a certain item, n 5 is the type of the sample, n v is the number of the samples, m v is the average weight of the samples, D v is the sample sending transportation distance by a certain transportation mode, and F v is the carbon emission factor of the unit mass unit distance by a certain transportation mode; Wherein, the quantification of carbon emission is managed on the construction site Wherein Q 5 is the management carbon emission amount of a construction site, Q 51 is the transportation carbon emission amount of a person on site, Q 52 is the accommodation carbon emission amount of the person on site, S is the energy consumption amount of the person on site for transportation and travel, E is the carbon emission factor of energy, n 6 is the number of people in accommodation, Z c is the number of days of people in accommodation, and G is the carbon emission of people in one day in average accommodation; wherein, the quantification of carbon emission is destroyed by vegetation Wherein Q 6 is the carbon emission of a certain item of vegetation, n 7 is the number of planting modes, A u is the area of vegetation destruction, and f u is the fixed amount of CO 2 in 40 years per unit area of vegetation; 2-2 office carbon emission quantification: wherein Q f is the carbon emission of an office of an engineering geological investigation enterprise in a calculation time range, Q 7 is the energy carbon emission of an air conditioner, and Q 8 is the carbon emission of illumination and other electric equipment; wherein, quantization of carbon emission for air conditioner Wherein Q 7 is the energy carbon emission amount for the air conditioner, AD is the consumption data of the air conditioner on the electric power, EF is the carbon emission factor of the electric power, W is the power of the air conditioner, t is the average value of the duration of one day in the service period of the air conditioner in the office, and D is the service days of the air conditioner; wherein, the quantification of carbon emission of lighting and other electric equipment Wherein Q 8 is the carbon emission of office lighting and other electric equipment, n 8 is the type of electric equipment, AD a is the consumption data of the electric equipment on the electric power, EF is the carbon emission factor of the electric power, W a is the power of the electric equipment, t a is the average value of the time of day in the service period of the electric equipment, and D a is the service days of the electric equipment.
2. The method for calculating and evaluating the carbon emission of the engineering geological survey enterprise according to claim 1 is characterized in that step 1 specifically comprises the steps of taking independent units of corporate law or legal law as a carbon emission calculation boundary of the engineering geological survey enterprise, selecting a time range for calculating the carbon emission of the engineering geological survey enterprise for months, quarters or years according to actual needs, and refining the carbon emission calculation boundary and target range of the engineering geological survey enterprise for more accurately tracking a carbon emission source, wherein the single project carbon emission source comprises mechanical equipment entering carbon emission, engineering driller construction carbon emission, other mechanical equipment carbon emission, sample feeding carbon emission, construction site management carbon emission and vegetation destruction carbon emission, and the office carbon emission source comprises air conditioner energy carbon emission, lighting and other electric equipment carbon emission.
3. The method for calculating and evaluating carbon emission of engineering geological survey enterprises according to claim 1, wherein the step 3 comprises the steps of calculating carbon emission of individual projects on the basis of quantifying the emission of each project, and calculating carbon emission of engineering geological survey enterprises = total carbon emission of projects + carbon emission of offices; The engineering geological investigation enterprise carbon emission: Wherein Q is the carbon emission of engineering geological survey enterprises, Q f is the carbon emission of offices, n 9 is the number of projects, and Q x is the carbon emission of a single project.
4. The method for calculating and evaluating carbon emissions of engineering geological survey enterprises according to claim 1, wherein in the step 4, the method for calculating the carbon emissions per unit yield of the project is as follows: Wherein C x is the carbon emission amount of the unit yield value of the project, Q x is the carbon emission amount of the single project, and Y x is the yield value of the single project; And comparing the carbon emission amount of the unit production values of different projects, and comprehensively evaluating the carbon emission cost of different projects.

Description

Engineering geological investigation enterprise carbon emission calculation and evaluation method Technical Field The invention belongs to the technical field of carbon emission calculation, and particularly relates to a carbon emission calculation and evaluation method suitable for engineering geological investigation enterprises. Background Carbon emission calculation is important to advancing areas and industries to reduce carbon, perfect carbon emission right trading markets, deal with climate change and the like. Engineering investigation is the front end of engineering construction and is also a source of carbon reduction in engineering construction industry. With further acceleration of the urban process, the engineering investigation industry will also come to further development space, and the carbon reduction of engineering investigation enterprises is promoted, so that the method becomes a current focus. 24 Industry enterprise greenhouse gas accounting methods and report guidelines have been printed in China, and greenhouse gas accounting methods are provided for industries such as power generation, power grid, steel production and the like. However, there is a dead zone in the carbon emission accounting method of individual industry activities, and more new methods are still needed to be added to the benefit, for example, the patent of chinese patent application No. CN202110952292.9 discloses a carbon emission accounting method during the domestic large-scale sports event, and the patent of chinese patent application No. CN202210852274.8 proposes a carbon emission accounting method and system based on the construction equipment in the building stage. The production and management activities of engineering geological exploration enterprises consist of a plurality of exploration projects which are independent from each other and have complex production processes, and the existing enterprise carbon emission calculation method has a certain limitation on the carbon emission calculation of the engineering geological exploration enterprises. Different investigation projects operated by the same enterprise often have larger differences in carbon emission due to factors such as different terrains and geology, technical differences of operating constructors and the like, and calculation and evaluation of the carbon emission of different investigation projects are beneficial to the carbon emission cost of the enterprise comprehensive measurement project. The carbon emission calculation and evaluation method suitable for engineering geological investigation enterprises is established, a unified quantization model is formed, the method has practical significance for management of carbon assets of the engineering geological investigation enterprises, and a new thought is provided for calculation and evaluation of carbon emissions of other enterprises. Disclosure of Invention The invention aims to establish a method for calculating and evaluating carbon emission of engineering geological exploration enterprises according to production characteristics of engineering geological exploration enterprises. The invention provides a method for calculating and evaluating carbon emission of an engineering geological investigation enterprise based on comprehensive analysis of the carbon emission source of the engineering geological investigation enterprise, which is realized by the following technical scheme and comprises the following specific steps: Step 1, determining a carbon emission calculation boundary and a time range of an engineering geological survey enterprise, and tracking a carbon emission source in the boundary; Step2, selecting carbon emission factors and quantifying carbon emission of each project; step 3, summarizing the carbon emission of each item, and calculating the carbon emission of engineering geological investigation enterprises; and 4, analyzing the carbon emission of each item, and selecting the carbon emission of the unit production value to evaluate the single item. Specifically, in the step 1, an independent unit of an enterprise legal person or a viewing legal person is taken as a calculation boundary of the carbon emission of the engineering geological investigation enterprise, and a time range of month, quarter or year for calculating the carbon emission of the engineering geological investigation enterprise is selected according to actual needs. For more accurate tracking of carbon emissions sources, the refined engineering geology survey enterprise carbon emissions calculation boundaries are single project carbon emissions, which is the sum of project readiness to end carbon emissions, and office carbon emissions, which is the sum of carbon emissions produced by financial staff, management staff, and other staff assisting project implementation, which is independent of project and thus calculated separately. Tracking carbon emission sources of single projects comprises carbon emission