CN114066254A - Carbon emission estimation method and system for urban total planning construction land - Google Patents

Carbon emission estimation method and system for urban total planning construction land Download PDF

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CN114066254A
CN114066254A CN202111365153.2A CN202111365153A CN114066254A CN 114066254 A CN114066254 A CN 114066254A CN 202111365153 A CN202111365153 A CN 202111365153A CN 114066254 A CN114066254 A CN 114066254A
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于洋
吴小虎
张捷
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Xian University of Architecture and Technology
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Abstract

The invention provides a method and a system for estimating carbon emission of urban total planning construction land, belongs to the field of urban planning and low-carbon urban planning, and aims to solve the problem that the carbon emission in the urban total planning stage cannot be estimated in the prior art. The carbon emission model of the urban total planning construction land is established, data and standard indexes required for estimating the carbon emission type, the carbon emission land measurement and calculation scale, the energy-use-construction land measurement and calculation system and the carbon emission of the urban total planning construction land are used as input parameters and input into the carbon emission model of the urban total planning construction land, and therefore the estimation result of the carbon emission of the urban total planning construction land is obtained. The carbon emission estimation method provided by the invention estimates the carbon emission of the urban living system by taking the construction land as the measuring and calculating unit, makes up for the urban carbon emission estimation method in the urban general planning stage, and provides quantitative technical support for the formulation of measures for urban carbon emission reduction.

Description

Carbon emission estimation method and system for urban total planning construction land
Technical Field
The invention belongs to the field of urban planning and low-carbon urban planning, and particularly relates to a method and a system for estimating carbon emission of urban total planning construction land.
Background
Cities are the main sources of carbon emissions, accounting for more than 70% of the total global carbon emissions. At present, the method for measuring and calculating urban carbon emission at home and abroad mainly comprises a system dynamic simulation method and an urban greenhouse gas list method, and is mainly suitable for measuring and calculating the carbon emission in the current situation of an urban built-up area, and a method for estimating the carbon emission of urban construction land in the urban general planning stage is lacked. The existing urban carbon emission measuring and calculating method mostly uses five departments of energy, industrial production process, agriculture, land utilization change and forestry and waste divided by IPCC or calculates the total carbon emission generated by all traditional fossil energy consumed by an urban living system and a production system from the consumption perspective of urban internal products, does not relate to the total fossil fuel consumption in the urban general planning scheme stage, and cannot use the existing carbon emission calculating method.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a method and a system for estimating carbon emission of an urban total planning construction land, and aims to solve the technical problem that the carbon emission of the urban total planning stage cannot be estimated in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose:
the invention provides a method for estimating carbon emission of urban total planning construction land, which comprises the following steps:
determining an energy type for estimating the carbon emission of the land for urban overall planning construction; respectively determining an estimated land measurement and calculation scale of the carbon emission amount of the urban total planning construction land and a 'energy consumption-construction land' measurement and calculation system according to an urban construction planning system and the type of the energy consumption amount of the carbon emission amount;
acquiring statistical data, planning indexes and standard indexes required by estimating the carbon emission of urban overall planning construction land;
establishing a carbon emission model for urban overall planning construction land;
and (3) taking the statistical data, the planning index and the standard index required by the carbon emission as input parameters of the carbon emission model of the urban total planning construction land, and realizing the estimation of the carbon emission of the urban total planning construction land of the carbon emission model of the urban total planning construction land.
Preferably, the carbon emission energy types include carbon emission with electricity, carbon emission with natural gas, and carbon emission with heat.
Preferably, the urban construction planning system comprises an urban land classification and planning construction land standard and a land utilization planning map for urban planning;
the planning construction land R, the construction land B, the construction land W, the construction land S, the construction land U and the construction land G are measured by using land classification categories; planning construction land M1, construction land M2 and construction land M3 in the construction land M, and taking land classification as a measurement and calculation scale; planning construction land A1, construction land A2, construction land A4, construction land A5, construction land A6, construction land A7, construction land A8 and construction land A9 in the construction land A, and taking land classification as a measurement and calculation scale; planning a construction land A31, a construction land A32, a construction land A33, a construction land A34 and a construction land A35 in the construction land A3 by using land classification subclasses as measurement and calculation scales;
the 'energy consumption-construction land' measuring and calculating system comprises a power consumption carbon emission measuring and calculating land, a heat supply carbon emission measuring and calculating land and a gas consumption carbon emission measuring and calculating land;
the land for measuring and calculating the electricity and carbon emission comprises a construction land R, a construction land A, a construction land B, a construction land M, a construction land W, a construction land S, a construction land U and a construction land G;
the land for measuring and calculating the heat supply carbon emission comprises a construction land R, a construction land A and a construction land B;
the land for measuring and calculating the gas carbon emission comprises construction land R, construction land A31, construction land A33, construction land A5 and construction land B.
Preferably, the obtaining of statistical data required for estimating carbon emissions from the urban population planning construction site comprises: the current situation statistical data of the city statistical yearbook and the current situation statistical data of the Chinese power statistical yearbook in recent years;
the current situation statistical data of the city statistical yearbook comprise the current situation perennial population of the city, the family consumption of natural gas residents and the annual natural gas sales volume;
the current statistical data of the Chinese power statistics yearbook comprises the thermal power generation amount and the total power generation amount of the province in the city;
acquiring planning indexes of carbon emission of urban total planning construction land, including construction land area, volume ratio and planning general population;
the method for acquiring the standard indexes of carbon emission in the urban total planning construction land comprises the following steps:
1) and the standard index for calculating the carbon emission comprises the following steps: unit construction land load indexes, simultaneous coefficients, classified comprehensive power utilization indexes and regional power grid average carbon dioxide emission factors;
2) and the calculation specification indexes of the heat supply carbon emission comprise: heating load, heating hours, thermal power discharge factor and thermalization coefficient of unit building area;
3) and the standard index for calculating the gas carbon emission comprises the following steps: the comprehensive utilization of gas by people, commercial gas index, education land average index, control index of single construction land of comprehensive hospital, public building gas utilization index, RZ low calorific value, carbon content of CC unit calorific value, alpha carbon oxidation rate and rho are the ratio of CO2 to carbon molecular weight.
Preferably, the carbon emission model for urban total planning construction land is shown in formula (1):
CEi Total=CEi electricity+CEi heat+CEQi of I (1)
Wherein, CEi TotalRepresenting the total carbon emission of the i-th land; CEi electricityRepresenting the total amount of electricity and carbon emission of the i-th land; CEi heatRepresenting the total amount of the geothermal carbon emission of the i-th type land; CEQi of IRepresents the total amount of the gas carbon emission for the i-th land.
Preferably, the electrical carbon emission CE for construction landi electricityAnd CE for the carbon emission of construction land heatingi heatAnd CE for gas carbon emission in construction landQi of IThe calculation method of (2) is as shown in formula (2), formula (3) and formula (4):
electric carbon emission CE for construction landi electricityThe calculation method is shown in formula (2):
Figure BDA0003360400850000041
wherein S isiRepresenting the total area of the i-th land; eiThe comprehensive electricity utilization index of the unit land of the ith land is expressed; heRepresenting the maximum annual utilization load hours; dFire(s)、DGeneral assemblyRepresenting the thermal power generation amount and the total power generation amount of the province in the city; mu is the coefficient of simultaneity; EFeRepresenting the average carbon dioxide emission factor of the power grid;
construction land heating carbon emission CEi heatThe calculation method is shown in formula (3):
CEi heat=Si×βi×Hh×fi×J×0.0036×EFh (3)
Wherein, betaiRepresenting the heating heat load of the unit building area of the i-th type land; hhRepresents the annual heating hours; fi represents the plot ratio; j represents a thermalization coefficient; 0.0036 is the conversion factor in energy units kWh to GJ; EFh denotes the thermal carbon emission factor;
gas carbon emission CE for construction landQi of IThe calculation method is shown in formula (4):
CEqi of I=QQi of I×RZ×CC×α×ρ (4)
Wherein Q isQi of IThe gas consumption of the ith type of land natural gas is expressed, and a heat unit GJ is used as a unit for measuring the gas consumption of the natural gas in the land gas consumption measurement; RZ is the average low-grade heating value of natural gas; CC is the carbon content of the fuel with unit calorific value; the alpha carbon oxidation rate; ρ is the ratio of CO2 to the molecular weight of carbon.
Preferably, the gas consumption of the construction land R and the construction land B is calculated according to the current urban gas consumption situation, and the calculation method of the gas consumption of the construction land R and the construction land B is shown as formula (5) and formula (6):
Figure BDA0003360400850000042
QB=QR×q-(QA31+QA33+QA5) (6)
the method for calculating the gas consumption of the construction land A31, the construction land A33 and the construction land A5 according to the current urban gas consumption situation, and the method for calculating the gas consumption of the construction land A31, the construction land A33 and the construction land A5 are shown as a formula (7), a formula (8) and a formula (9):
Figure BDA0003360400850000043
Figure BDA0003360400850000044
QA5=C×w (9)
wherein Q represents the gas consumption of natural gas; s represents the area of construction land; w represents the current gas consumption of the city; s represents a ground average index for education; c represents the control index of the single construction land of the comprehensive hospital; p represents the city planning population; omega represents the index of the comprehensive gas consumption of the average number of people in the year; w represents a public building gas consumption index; q represents a commercial gas index.
The invention also provides an estimation system of the carbon emission estimation method of the urban total planning construction land, which comprises the following steps:
the system comprises a carbon emission land measurement scale and measurement system determining module, a carbon emission land measurement scale and measurement system determining module and a data processing module, wherein the carbon emission land measurement scale and measurement system determining module is used for determining and estimating the type of carbon emission energy of a land for urban overall planning construction; respectively determining an estimated land measurement and calculation scale of the carbon emission amount of the urban total planning construction land and a 'energy consumption-construction land' measurement and calculation system according to an urban construction planning system and the type of the energy consumption amount of the carbon emission amount;
the data acquisition module is used for acquiring statistical data, planning indexes and standard indexes required by estimating the carbon emission of the urban overall planning construction land;
the carbon emission model building module is used for building a carbon emission model of the urban total planning construction land;
and the carbon emission estimation module is used for taking the statistical data, the planning index and the standard index required by the carbon emission as input parameters of the carbon emission model of the urban total planning construction land to realize the estimation of the carbon emission of the urban total planning construction land of the carbon emission model of the urban total planning construction land.
A computer device comprising a memory storing a computer program and a processor implementing the steps of the method for estimating carbon emissions from an urban total planned construction site when executing the computer program.
A computer-readable storage medium storing a computer program which, when executed by a processor, implements the steps of a method for estimating carbon emissions from an urban total planned construction site.
Compared with the prior art, the invention has the following beneficial effects:
the invention provides a carbon emission estimation method of urban total planning construction land, which is characterized in that statistical data, planning indexes and standard indexes required by estimating carbon emission type, carbon emission land measurement and calculation scale, an energy-use-construction land measurement and calculation system and carbon emission of the urban total planning construction land are used as input parameters and input into an established urban total planning construction land carbon emission model, so that an estimation result of the carbon emission of the urban total planning construction land is obtained. The carbon emission of the urban living system is estimated by taking the construction land as the measuring and calculating unit, so that a quantitative technical support is provided for planners to find out the internal relation of the urban carbon emission and the planned land structure, function and development strength and optimize and adjust the land structure of the planning scheme; the method is high in universality and operability, the carbon emission is directly measured and calculated by planners in the urban general planning stage, and the urban carbon emission estimation method in the urban general planning stage is filled. The data required by the carbon emission estimation method constructed by the invention are the existing statistical data, planning indexes and standard indexes, the carbon emission estimation of the urban overall planning construction land can be realized only by inputting the existing data into the urban overall planning construction land carbon emission model, and the operation method is simple.
The system of the carbon emission estimation method of the urban total planning construction land adopts the modularization idea to realize the carbon emission estimation of the urban total planning construction land, so that the modules are independent, and the unified management of the modules is convenient to realize.
Drawings
FIG. 1 is a flow chart of a method for estimating carbon emission from an urban total planned construction land according to the present invention;
fig. 2 is a diagram of a system for estimating carbon emissions from an urban total planned construction site according to the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The invention is described in further detail below with reference to the accompanying drawings:
the invention provides a method for estimating carbon emission of urban total planning construction land, which comprises the following steps as shown in figure 1:
determining an energy type for estimating the carbon emission of the land for urban overall planning construction; respectively determining an estimated land measurement and calculation scale of the carbon emission amount of the urban total planning construction land and a 'energy consumption-construction land' measurement and calculation system according to an urban construction planning system and the type of the energy consumption amount of the carbon emission amount;
acquiring statistical data, planning indexes and standard indexes required by estimating the carbon emission of urban overall planning construction land, wherein the statistical data, the planning indexes and the standard indexes comprise urban statistical yearbook data in the recent year, Chinese electric power statistical yearbook data in the recent year, planning scheme indexes and planning standard indexes;
establishing a carbon emission model for urban overall planning construction land;
and inputting the statistical data, the planning index and the standard index required by the carbon emission as input parameters into the established urban total planning construction land carbon emission model to obtain an estimation result of the urban total planning construction land carbon emission.
The invention provides a method for estimating carbon emission of urban total planning construction land, which specifically comprises the following steps:
specifically, the carbon emission energy types specifically include: the carbon emission amount of the urban living system is the carbon emission amount of the urban living system. The algorithm does not contain the carbon emission generated by the fossil fuel consumed in the production process flow in the urban production system and the carbon emission generated by the fossil fuel consumed by the vehicles in the urban transportation system;
specifically, the urban construction planning system comprises an urban land classification and planning construction land standard and an urban planning land utilization planning map;
the planning construction land R, the construction land B, the construction land W, the construction land S, the construction land U and the construction land G are measured by using land classification categories; planning construction land M1, construction land M2 and construction land M3 in the construction land M, and taking land classification as a measurement and calculation scale; planning construction land A1, construction land A2, construction land A4, construction land A5, construction land A6, construction land A7, construction land A8 and construction land A9 in the construction land A, and taking land classification as a measurement and calculation scale; the construction land A31, the construction land A32, the construction land A33, the construction land A34 and the construction land A35 in the planned construction land A3 are calculated by using land classification subclasses.
Secondly, the 'energy consumption-construction land utilization' measuring and calculating system comprises a power consumption carbon emission measuring and calculating land, a heat supply carbon emission measuring and calculating land and a gas consumption carbon emission measuring and calculating land;
the land for measuring and calculating the electricity and carbon emission comprises a construction land R, a construction land A, a construction land B, a construction land M, a construction land W, a construction land S, a construction land U and a construction land G;
the land for measuring and calculating the heat supply carbon emission comprises a construction land R, a construction land A and a construction land B;
the land for measuring and calculating the gas carbon emission comprises construction land R, construction land A31, construction land A33, construction land A5 and construction land B.
Specifically, the data required for estimating the carbon emission of the urban total planning construction land comprises: the current situation statistical data of the city statistical yearbook and the current situation statistical data of the Chinese power statistical yearbook in recent years;
1) the present statistical data based on the recent city statistical yearbook includes: the current urban situation is that the daily population, the household consumption of natural gas residents and the annual natural gas sales volume are used;
2) the current statistical data based on the latest Chinese power statistics yearbook specifically comprises the following steps: the thermal power generation amount and the total power generation amount of the city province.
The planning indexes for obtaining the carbon emission of the urban total planning construction land comprise the area of the construction land, the volume ratio and the planning general population.
The method for acquiring the standard indexes of carbon emission in the urban total planning construction land comprises the following steps:
the calculation of the standard indexes of the carbon emission by electricity comprises the following steps: unit construction land load indexes, simultaneous coefficients, classified comprehensive power utilization indexes and regional power grid average carbon dioxide emission factors;
secondly, the calculation specification indexes of the heat supply carbon emission comprise: heating load, heating hours, thermal power discharge factor and thermalization coefficient of unit building area;
calculating standard indexes by using the gas carbon emission amount comprises the following steps: the comprehensive utilization of gas by people, commercial gas index, education land average index, control index of single construction land of comprehensive hospital, public building gas utilization index, RZ low calorific value, carbon content of CC unit calorific value, alpha carbon oxidation rate and rho are the ratio of CO2 to carbon molecular weight.
Specifically, the model of carbon emission for urban total planning construction land is shown in formula (1):
CEi Total=CEi electricity+CEi heat+CEQi of I (1)
Wherein, CEi TotalRepresenting the total carbon emission of the i-th land; CEi electricityRepresenting the total amount of electricity and carbon emission of the i-th land; CEi heatRepresenting the total amount of the geothermal carbon emission of the i-th type land; CEQi of IRepresents the total amount of the gas carbon emission for the i-th land.
Electric carbon emission CE for construction landi electricityAnd CE for the carbon emission of construction land heatingi heatAnd CE for gas carbon emission in construction landQi of IThe calculation method of (2) is as shown in formula (2), formula (3) and formula (4):
electric carbon emission CE for construction landi electricityThe calculation method is shown in formula (2):
Figure BDA0003360400850000091
wherein S isiRepresenting the total area of the i-th land; eiUnit land heald for representing i-th landThe combined electricity index; heRepresenting the maximum annual utilization load hours; dFire(s)、DGeneral assemblyRepresenting the thermal power generation amount and the total power generation amount of the province in the city; mu is the coefficient of simultaneity; EFeRepresenting the average carbon dioxide emission factor of the power grid.
② construction land heating carbon emission CEi heatThe calculation method is shown in formula (3):
CEi heat=Si×βi×Hh×fi×J×0.0036×EFh (3)
Wherein, betaiRepresenting the heating heat load of the unit building area of the i-th type land; hhRepresents the annual heating hours; fi represents the plot ratio; j represents a thermalization coefficient; 0.0036 is the conversion factor in energy units kWh to GJ; EFhRepresenting the thermodynamic carbon emission factor.
Third, the gas carbon emission CE for the land for constructionQi of IThe calculation method is shown in formula (4):
CEqi of I=QQi of I×RZ×CC×α×ρ (4)
Wherein: qQi of IThe gas consumption of the ith type of land natural gas is expressed, and a heat unit GJ is used as a unit for measuring the gas consumption of the natural gas in the land gas consumption measurement; RZ is the average low-grade heating value of natural gas; CC is the carbon content of the fuel with unit calorific value; the alpha carbon oxidation rate; ρ is the ratio of CO2 to the molecular weight of carbon.
Specifically, the gas consumption of the construction land R and the construction land B is only calculated according to the current urban gas consumption situation, and the calculation method of the gas consumption of the construction land R and the construction land B is shown as formula (5) and formula (6):
Figure BDA0003360400850000101
QB=QR×q-(QA31+QA33+QA5) (6)
the calculation method for calculating the gas consumption of the construction land A31, the construction land A33 and the construction land A5 only according to the current urban gas consumption situation is shown as the following formula (7), formula (8) and formula (9):
Figure BDA0003360400850000102
Figure BDA0003360400850000103
QA5=C×w (9)
wherein Q represents the gas consumption of natural gas; s represents the area of construction land; w represents the current gas consumption of the city; s represents a ground average index for education; c represents the control index of the single construction land of the comprehensive hospital; p represents the city planning population; omega represents the index of the comprehensive gas consumption of the average number of people in the year; w represents a public building gas consumption index; q represents a commercial gas index.
Example (b):
determining the carbon emission of the construction land for estimating the urban total plan of the Xixi Xixian New district as the carbon emission of the urban living system of the Xixi Xixian New district, comprising the following steps: the carbon emission generated by electricity, natural gas and heat supply.
Based on the urban land classification and planned construction land standard, determining a 'energy consumption-construction land' measuring and calculating system for estimating the carbon emission of the urban living system in the west salty new district by combining with a general planning diagram of the overall plan of cities in the west salty new district (2016-2030), wherein the measuring and calculating system comprises the steps of measuring and calculating land size and land type, and the method is shown in the following table 1:
TABLE 1 energy consumption-construction land consumption measurement and calculation system for carbon emission of urban total planning and construction land in west salty New district
Figure BDA0003360400850000111
Obtain present situation statistical data from 2020 city construction statistics yearbook and 2020 Chinese electric power statistics yearbook, specifically include: the current urban daily population, the daily domestic consumption of urban natural gas residents, the annual gas sales volume of urban natural gas, the thermal power generation capacity and the total power generation amount of the province in the city are shown in table 2:
TABLE 2 West salty New district 2019 status statistical data
Figure BDA0003360400850000112
Referring to the technical provision of city and countryside planning management in west ann city, obtaining the indexes of the planning scheme from the overall planning diagram of overall planning (2016-2030) in the city of the west salty new district, specifically comprises the following steps: area of construction site, volume fraction, planned population, as shown in table 3:
TABLE 3 Western salty New district Total planning construction land planning scheme index
Figure BDA0003360400850000121
According to the urban statistical yearbook data and the planning scheme indexes, referring to the urban energy infrastructure system planning standard, selecting the standard indexes for estimating the carbon emission of the construction land for urban overall planning in the Xixian New district specifically comprises the following steps:
1) and the standard index for calculating the carbon emission comprises the following steps: unit construction land load index, simultaneous coefficient, and regional power grid average carbon dioxide emission factor, as shown in table 4:
TABLE 4 Standard index for calculating electric carbon emission for construction land for urban total planning in New Xixian district
Figure BDA0003360400850000122
Figure BDA0003360400850000131
2) And the calculation specification indexes of the heat supply carbon emission comprise: the heating load, the heating hours, the thermal power discharge factor, and the thermalization coefficient of the unit building area are shown in table 5:
TABLE 5 Standard index for calculating heat and carbon emission from construction land for urban general planning in Xixi salty New district
Figure BDA0003360400850000132
3) And the standard index for calculating the gas carbon emission comprises the following steps: the average human-body comprehensive gas consumption index, the commercial gas consumption index, the education land production average index, the control index of single construction land of the comprehensive hospital, the public building gas consumption index, the RZ low-grade calorific value, the carbon content of CC unit calorific value, the alpha carbon oxidation rate and the rho are the ratio of CO2 to the molecular weight of carbon, and are shown in a table 6:
TABLE 6 Standard index for calculating gas and carbon emission for construction land for urban total planning in Xixi salty New district
Figure BDA0003360400850000133
Figure BDA0003360400850000141
And substituting the acquired data and indexes into a construction land carbon emission calculation formula (1) of the urban overall plan to obtain the construction land carbon emission of the urban overall plan. The carbon emission model of the construction land for urban general planning is shown in formula (1):
CEi Total=CEi electricity+CEi heat+CEQi of I (1)
Wherein: CEi TotalRepresenting the total carbon emission of the i-th land; CEi electricityRepresenting the total amount of electricity and carbon emission of the i-th land; CEi heatRepresenting the total amount of the geothermal carbon emission of the i-th type land; CEQi of IRepresents the total amount of the gas carbon emission for the i-th land. The above CE for discharging electric carbon from construction landi electricityAnd CE for the carbon emission of construction land heatingi heatAnd CE for gas carbon emission in construction landQi of IThe calculation methods of (2), (3) and (4) are shown in the following formula:
Electric carbon emission CE for construction landi electricityThe calculation method is shown in formula (2):
Figure BDA0003360400850000142
wherein S isiRepresenting the total area of the i-th land; eiThe comprehensive electricity utilization index of the unit land of the ith land is expressed; heRepresenting the maximum annual utilization load hours; dFire(s)、DGeneral assemblyRepresenting the thermal power generation amount and the total power generation amount of the province in the city; mu is the coefficient of simultaneity; EFeRepresenting the average carbon dioxide emission factor of the power grid.
② construction land heating carbon emission CEi heatThe calculation method is shown in formula (3):
CEi heat=Si×βi×Hh×fi×J×0.0036×EFh (3)
Wherein, betaiRepresenting the heating heat load of the unit building area of the i-th type land; hhRepresents the annual heating hours; fi represents the plot ratio; j represents a thermalization coefficient; 0.0036 is the conversion factor in energy units kWh to GJ; EFhRepresenting the thermodynamic carbon emission factor.
Third, the gas carbon emission CE for the land for constructionQi of IThe calculation method is shown in formula (4):
CEqi of I=QQi of I×RZ×CC×α×ρ (4)
Wherein Q isQi of IThe gas consumption of the ith type of land natural gas is expressed, and a heat unit GJ is used as a unit for measuring the gas consumption of the natural gas in the land gas consumption measurement; RZ is the average low-grade heating value of natural gas; CC is the carbon content of the fuel with unit calorific value; the alpha carbon oxidation rate; ρ is the ratio of CO2 to the molecular weight of carbon.
And fourthly, only calculating the gas consumption of the construction land R and the construction land B according to the current urban gas consumption situation, wherein the calculation method of the gas consumption of the construction land R and the construction land B is shown as a formula (5) and a formula (6):
Figure BDA0003360400850000151
QB=QR×q-(QA31+QA33+QA5) (6)
the calculation method for calculating the gas consumption of the construction land A31, the construction land A33 and the construction land A5 only according to the current urban gas consumption situation is shown as the following formula (7), formula (8) and formula (9):
Figure BDA0003360400850000152
Figure BDA0003360400850000153
QA5=C×w (9)
wherein Q represents the gas consumption of natural gas; s represents the area of construction land; w represents the current gas consumption of the city; s represents a ground average index for education; c represents the control index of the single construction land of the comprehensive hospital; p represents the city planning population; omega represents the index of the comprehensive gas consumption of the average number of people in the year; w represents a public building gas consumption index; q represents a commercial gas index, and the calculation results of the finally obtained carbon emission amount are shown in table 7:
TABLE 7 carbon emission from land for overall planning and construction in the New Xixian region
Figure BDA0003360400850000154
Figure BDA0003360400850000161
The estimation system of the carbon emission estimation method of the urban total planning construction land provided by the invention, as shown in fig. 2, comprises:
the system comprises a carbon emission land measurement scale and measurement system determining module, a carbon emission land measurement scale and measurement system determining module and a data processing module, wherein the carbon emission land measurement scale and measurement system determining module is used for determining and estimating the type of carbon emission energy of a land for urban overall planning construction; respectively determining an estimated land measurement and calculation scale of the carbon emission amount of the urban total planning construction land and a 'energy consumption-construction land' measurement and calculation system according to an urban construction planning system and the type of the energy consumption amount of the carbon emission amount;
the data acquisition module is used for acquiring statistical data, planning indexes and standard indexes required by estimating the carbon emission of the urban overall planning construction land;
the carbon emission model building module is used for building a carbon emission model of the urban total planning construction land;
and the carbon emission estimation module is used for taking the statistical data, the planning index and the standard index required by the carbon emission as input parameters of the carbon emission model of the urban total planning construction land to realize the estimation of the carbon emission of the urban total planning construction land of the carbon emission model of the urban total planning construction land.
The invention provides a carbon emission estimation method of urban total planning construction land, which comprises the steps of firstly determining the type of energy used for estimating the carbon emission of the urban total planning construction land; determining a land measurement and calculation scale for estimating the carbon emission of the urban total planning construction land and a 'energy consumption-construction land' measurement and calculation system; acquiring data and standard indexes required by estimating the carbon emission of urban overall planning construction land, wherein the data and the standard indexes comprise urban statistical yearbook data in the recent year, Chinese electric power statistical yearbook data in the recent year, planning scheme indexes and planning standard indexes; then establishing a carbon emission model for urban overall planning construction land; and finally substituting the obtained data and indexes into the carbon emission model of the urban total planning construction land to obtain the carbon emission estimation result of the urban total planning construction land. The carbon emission estimation method suitable for the urban total planning construction land provided by the invention estimates the carbon emission of the urban living system by taking the construction land as the measurement and calculation unit, makes up for the urban carbon emission estimation method in the urban total planning stage, and provides quantitative technical support for the establishment of measures for urban carbon emission reduction. The carbon emission estimation method provided by the invention estimates the carbon emission of the urban living system by taking the construction land as the measurement and calculation unit, and provides quantitative technical support for planners to find out the internal relation of the urban carbon emission and the planned land structure, function and development strength and optimize and adjust the land structure of the planning scheme; the data required by the carbon emission estimation method constructed by the invention are the existing statistical data, planning scheme indexes and standard indexes, the method has strong universality and operability, the planning scheme is directly measured and calculated by planners in the urban overall planning stage, and the urban carbon emission estimation method in the urban overall planning stage is filled.
In an embodiment of the present invention, a terminal device includes: a processor, a memory, and a computer program stored in the memory and executable on the processor. The processor realizes the steps of the above-mentioned method embodiments when executing the computer program. Alternatively, the processor implements the functions of the modules/units in the above device embodiments when executing the computer program.
The computer program may be partitioned into one or more modules/units that are stored in the memory and executed by the processor to implement the invention.
The terminal device can be a desktop computer, a notebook, a palm computer, a cloud server and other computing devices. The terminal device may include, but is not limited to, a processor, a memory.
The processor may be a Central Processing Unit (CPU), other general purpose processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic, discrete hardware components, etc.
The memory may be used for storing the computer programs and/or modules, and the processor may implement various functions of the terminal device by executing or executing the computer programs and/or modules stored in the memory and calling data stored in the memory.
The terminal device integrated modules/units, if implemented in the form of software functional units and sold or used as separate products, may be stored in a computer readable storage medium. Based on such understanding, all or part of the flow of the method according to the embodiments of the present invention may also be implemented by a computer program, which may be stored in a computer-readable storage medium, and when the computer program is executed by a processor, the steps of the method embodiments may be implemented. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer-readable medium may include: any entity or device capable of carrying the computer program code, recording medium, usb disk, removable hard disk, magnetic disk, optical disk, computer memory, Read-only memory (ROM), Random Access Memory (RAM), electrical carrier wave signals, telecommunications signals, software distribution medium, etc. It should be noted that the computer readable medium may contain content that is subject to appropriate increase or decrease as required by legislation and patent practice in jurisdictions, for example, in some jurisdictions, computer readable media does not include electrical carrier signals and telecommunications signals as is required by legislation and patent practice.
The above-mentioned contents are only for illustrating the technical idea of the present invention, and the protection scope of the present invention is not limited thereby, and any modification made on the basis of the technical idea of the present invention falls within the protection scope of the claims of the present invention.

Claims (10)

1. A method for estimating carbon emission of urban total planning construction land is characterized by comprising the following steps:
determining an energy type for estimating the carbon emission of the land for urban overall planning construction; respectively determining an estimated land measurement and calculation scale of the carbon emission amount of the urban total planning construction land and a 'energy consumption-construction land' measurement and calculation system according to an urban construction planning system and the type of the energy consumption amount of the carbon emission amount;
acquiring statistical data, planning indexes and standard indexes required by estimating the carbon emission of urban overall planning construction land;
establishing a carbon emission model for urban overall planning construction land;
and (3) taking the statistical data, the planning index and the standard index required by the carbon emission as input parameters of the carbon emission model of the urban total planning construction land, and realizing the estimation of the carbon emission of the urban total planning construction land of the carbon emission model of the urban total planning construction land.
2. The method of estimating carbon emissions from urban total planned construction land according to claim 1, wherein the types of energy used for carbon emissions include carbon emissions by electricity, carbon emissions by natural gas, and carbon emissions by heating.
3. The method for estimating carbon emissions from urban general planning construction land according to claim 1, wherein the urban construction planning system comprises "urban land classification and standard for planning construction land" and urban planning land use planning map;
the planning construction land R, the construction land B, the construction land W, the construction land S, the construction land U and the construction land G are measured by using land classification categories; planning construction land M1, construction land M2 and construction land M3 in the construction land M, and taking land classification as a measurement and calculation scale; planning construction land A1, construction land A2, construction land A4, construction land A5, construction land A6, construction land A7, construction land A8 and construction land A9 in the construction land A, and taking land classification as a measurement and calculation scale; planning a construction land A31, a construction land A32, a construction land A33, a construction land A34 and a construction land A35 in the construction land A3 by using land classification subclasses as measurement and calculation scales;
the 'energy consumption-construction land' measuring and calculating system comprises a power consumption carbon emission measuring and calculating land, a heat supply carbon emission measuring and calculating land and a gas consumption carbon emission measuring and calculating land;
the land for measuring and calculating the electricity and carbon emission comprises a construction land R, a construction land A, a construction land B, a construction land M, a construction land W, a construction land S, a construction land U and a construction land G;
the land for measuring and calculating the heat supply carbon emission comprises a construction land R, a construction land A and a construction land B;
the land for measuring and calculating the gas carbon emission comprises construction land R, construction land A31, construction land A33, construction land A5 and construction land B.
4. The method for estimating carbon emissions from urban total planned construction land according to claim 3, wherein the obtaining statistical data required to estimate carbon emissions from urban total planned construction land comprises: the current situation statistical data of the city statistical yearbook and the current situation statistical data of the Chinese power statistical yearbook in recent years;
the current situation statistical data of the city statistical yearbook comprise the current situation perennial population of the city, the family consumption of natural gas residents and the annual natural gas sales volume;
the current statistical data of the Chinese power statistics yearbook comprises the thermal power generation amount and the total power generation amount of the province in the city;
acquiring planning indexes of carbon emission of urban total planning construction land, including construction land area, volume ratio and planning general population;
the method for acquiring the standard indexes of carbon emission in the urban total planning construction land comprises the following steps:
1) and the standard index for calculating the carbon emission comprises the following steps: unit construction land load indexes, simultaneous coefficients, classified comprehensive power utilization indexes and regional power grid average carbon dioxide emission factors;
2) and the calculation specification indexes of the heat supply carbon emission comprise: heating load, heating hours, thermal power discharge factor and thermalization coefficient of unit building area;
3) and the standard index for calculating the gas carbon emission comprises the following steps: the comprehensive utilization of gas by people, commercial gas index, education land average index, control index of single construction land of comprehensive hospital, public building gas utilization index, RZ low calorific value, carbon content of CC unit calorific value, alpha carbon oxidation rate and rho are the ratio of CO2 to carbon molecular weight.
5. The method for estimating carbon emissions from urban total planned construction land according to claim 4, wherein the model of carbon emissions from urban total planned construction land is shown in formula (1):
CEi Total=CEi electricity+CEi heat+CEQi of I (1)
Wherein, CEi TotalRepresenting the total carbon emission of the i-th land; CEi electricityRepresenting the total amount of electricity and carbon emission of the i-th land; CEi heatRepresenting the total amount of the geothermal carbon emission of the i-th type land; CEQi of IRepresents the total amount of the gas carbon emission for the i-th land.
6. The method of estimating carbon emission from urban total planned construction land according to claim 5, wherein the construction land uses the electrical carbon emission CEi electricityAnd CE for the carbon emission of construction land heatingi heatAnd CE for gas carbon emission in construction landQi of IThe calculation method of (2) is as shown in formula (2), formula (3) and formula (4):
electric carbon emission CE for construction landi electricityThe calculation method is shown in formula (2):
Figure FDA0003360400840000031
wherein S isiRepresenting the total area of the i-th land; eiThe comprehensive electricity utilization index of the unit land of the ith land is expressed; heRepresenting the maximum annual utilization load hours; dFire(s)、DGeneral assemblyRepresenting the thermal power generation amount and the total power generation amount of the province in the city; mu is the coefficient of simultaneity; EFeRepresenting the average carbon dioxide emission factor of the power grid;
construction land heating carbon emission CEi heatThe calculation method is shown in formula (3):
CEi heat=Si×βi×Hh×fi×J×0.0036×EFh (3)
Wherein, betaiRepresenting the heating heat load of the unit building area of the i-th type land; hhRepresents the annual heating hours; fi represents the plot ratio; j represents a thermalization coefficient; 0.0036 is the conversion factor in energy units kWh to GJ; EFhRepresents a thermal carbon emission factor;
gas carbon emission CE for construction landQi of IThe calculation method is shown in formula (4):
CEqi of I=QQi of I×RZ×CC×α×ρ (4)
Wherein Q isQi of IThe gas consumption of the ith type of land natural gas is expressed, and a heat unit GJ is used as a unit for measuring the gas consumption of the natural gas in the land gas consumption measurement; RZ is the average low-grade heating value of natural gas; CC is the carbon content of the fuel with unit calorific value; the alpha carbon oxidation rate; ρ is the ratio of CO2 to the molecular weight of carbon.
7. The method for estimating carbon emissions from urban total planned construction land according to claim 6, wherein the gas consumption of the construction land R and the construction land B is calculated according to the current status of urban gas consumption, and the calculation method of the gas consumption of the construction land R and the construction land B is as shown in formula (5) and formula (6):
Figure FDA0003360400840000041
QB=QR×q-(QA31+QA33+QA5) (6)
the method for calculating the gas consumption of the construction land A31, the construction land A33 and the construction land A5 according to the current urban gas consumption situation, and the method for calculating the gas consumption of the construction land A31, the construction land A33 and the construction land A5 are shown as a formula (7), a formula (8) and a formula (9):
Figure FDA0003360400840000042
Figure FDA0003360400840000043
QA5=C×w (9)
wherein Q represents the gas consumption of natural gas; s represents the area of construction land; w represents the current gas consumption of the city; s represents a ground average index for education; c represents the control index of the single construction land of the comprehensive hospital; p represents the city planning population; omega represents the index of the comprehensive gas consumption of the average number of people in the year; w represents a public building gas consumption index; q represents a commercial gas index.
8. The estimation system using the method for estimating carbon emission from urban total planned construction land according to any one of claims 1 to 7, comprising:
the system comprises a carbon emission land measurement scale and measurement system determining module, a carbon emission land measurement scale and measurement system determining module and a data processing module, wherein the carbon emission land measurement scale and measurement system determining module is used for determining and estimating the type of carbon emission energy of a land for urban overall planning construction; respectively determining an estimated land measurement and calculation scale of the carbon emission amount of the urban total planning construction land and a 'energy consumption-construction land' measurement and calculation system according to an urban construction planning system and the type of the energy consumption amount of the carbon emission amount;
the data acquisition module is used for acquiring statistical data, planning indexes and standard indexes required by estimating the carbon emission of the urban overall planning construction land;
the carbon emission model building module is used for building a carbon emission model of the urban total planning construction land;
and the carbon emission estimation module is used for taking the statistical data, the planning index and the standard index required by the carbon emission as input parameters of the carbon emission model of the urban total planning construction land to realize the estimation of the carbon emission of the urban total planning construction land of the carbon emission model of the urban total planning construction land.
9. A computer apparatus comprising a memory and a processor, the memory storing a computer program, wherein the processor when executing the computer program implements the steps of the method for estimating carbon emissions from urban total planned construction land according to any one of claims 1 to 7.
10. A computer-readable storage medium storing a computer program, wherein the computer program is executed by a processor to perform the steps of the method for estimating carbon emissions from urban total planned construction land according to any one of claims 1 to 7.
CN202111365153.2A 2021-11-17 2021-11-17 Carbon emission estimation method and system for urban total planning construction land Pending CN114066254A (en)

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