CN116502011A - Zero-carbon building computing system and method - Google Patents

Zero-carbon building computing system and method Download PDF

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CN116502011A
CN116502011A CN202310140686.3A CN202310140686A CN116502011A CN 116502011 A CN116502011 A CN 116502011A CN 202310140686 A CN202310140686 A CN 202310140686A CN 116502011 A CN116502011 A CN 116502011A
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building
carbon emission
energy
emission
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徐斌
贺靖
薛晓宁
张磊
李东哲
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China Architecture Design and Research Group Co Ltd
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China Architecture Design and Research Group Co Ltd
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Abstract

The invention relates to a clean zero-carbon building calculation system and a method, comprising a building body carbon emission calculation module after carbon reduction, which is used for calculating carbon emission generated in the building material production and transportation and building construction disassembly and modification stages; the carbon emission calculation module after the equipment system reduces carbon is used for calculating the carbon emission generated in the operation stage of the heating system; the replaceable energy equivalent carbon amount calculating module is used for calculating and equivalently converting energy generated by a solar hot water system, a photovoltaic power generation system and a wind power generation system into carbon dioxide amount required to be released for obtaining the energy; the carbon sink system carbon fixation amount calculating module is used for calculating roof, vertical and site greening fixed carbon dioxide amount; the carbon emission calculation and analysis module is used for calculating the carbon emission of the building according to the data of the modules and the service life of the target building; and judging whether the result is smaller than or equal to 0, and if so, obtaining the zero-carbon building. The full life cycle carbon emission is considered, the dependence on external energy is reduced, and the requirements of building design are met.

Description

Zero-carbon building computing system and method
Technical Field
The present invention relates to the field of architectural design. In particular to a net zero-carbon building computing system and a method.
Background
The building design is a carbon reduction source in the building industry, the building design needs to fully consider the materials of the building, the building construction mode and the possibility of disassembly and modification of the building, and the passive design method of the building design can greatly reduce the running carbon emission of the building.
The existing judging method and energy control system of the zero-energy-consumption zero-carbon building and the existing computing method and computing system of the zero-energy-consumption building have the following defects: only the carbon emission in the operation stage of the building is concerned, and the implicit carbon emission in the whole life cycle of the building (the stages of building material production and transportation, building construction and building demolition) is ignored; focusing on the carbon emission calculation of the electromechanical system, the decisive influence of building design on the carbon reduction of the building cannot be considered.
In addition, the judgment method and the energy control system of the zero-energy consumption and zero-carbon building take the day as a statistical unit of the residual energy, and the building utilization efficiency of renewable energy sources and the change characteristics of building heating and refrigerating energy consumption due to the change of weather all the year round are not considered; this patent focuses on zero energy consumption, lacks consideration of energy carbon emission factors, and does not make excessive description of a decision and energy control system for zero-carbon construction.
Therefore, there is a need for a net zero-carbon building computing system and method.
Disclosure of Invention
The invention is based on the above-mentioned demand of the prior art, the technical problem to be solved by the invention is to provide a clean zero-carbon building computing system and method based on building design major, considering the whole life cycle carbon emission options of the building, from the perspective of reducing the dependence of the building on external energy, capable of solving the problems of missing, imperfect and unable to meet the building design demand of the clean zero-carbon building computing method.
In order to solve the problems, the invention is realized by adopting the following technical scheme:
a net zero carbon building computing system, comprising:
the carbon emission calculation module after the carbon reduction of the building body is used for calculating the carbon emission generated by a target building in the building material production stage, the building material transportation stage, the building construction stage and the building dismantling and modifying stage;
the carbon emission calculation module after the equipment system reduces carbon is used for calculating the carbon emission generated in the operation stage of the water heating electric system of the target building;
the replaceable energy equivalent carbon amount calculating module is used for calculating and equivalently converting energy generated by the solar water heating system, the photovoltaic power generation system and the wind power generation system into carbon dioxide amount required to be released for obtaining the energy;
the carbon sink system carbon fixation amount calculation module is used for calculating roof greening, vertical greening and site greening fixed carbon dioxide amount of a target building;
the carbon emission calculation and analysis module is used for calculating the carbon emission of the building according to the data obtained by the carbon emission calculation module after the carbon reduction of the building body, the carbon emission calculation module after the carbon reduction of the equipment system, the alternative energy equivalent carbon amount calculation module, the carbon sequestration calculation module of the carbon sink system and the service life of the target building; and judging whether the carbon emission of the building is less than or equal to 0, and if so, determining that the target building is a net zero-carbon building.
Optionally, the building body carbon emission calculation module after carbon reduction includes:
acquiring the building material type, the building material transportation distance and the building material consumption required by the target building during construction;
estimating the engineering quantity and the engineering machine shift consumption required by the target building in the construction and dismantling processes;
determining the carbon emission generated in the building material production stage according to the building material consumption and the carbon emission factor of the corresponding building material;
determining the carbon emission generated in the building material transportation stage according to the building material consumption, the transportation distance and the carbon emission factor of the transportation distance per unit weight;
determining the carbon emission generated in the building stage according to the consumption of the engineering machinery shift in the building process of the target building and the carbon footprint factor of the corresponding engineering machinery;
according to the consumption of the engineering machinery shift and the carbon footprint factor of the corresponding engineering machinery in the dismantling process, determining the carbon emission generated in the construction dismantling phase;
and summing the carbon emission generated in the building material production stage, the carbon emission generated in the building material transportation stage, the carbon emission generated in the building construction stage and the carbon emission generated in the building disassembly and modification stage to obtain the carbon emission after the carbon reduction of the building body.
Optionally, the apparatus system carbon emission after carbon reduction calculation module includes:
the method comprises the steps of collecting annual activity level of energy consumption in the operation stage of a water heating system, annual water consumption of various types of water, carbon emission factors corresponding to various energy sources and carbon emission factors corresponding to various types of water;
determining the carbon emission after the equipment system reduces carbon according to the sum of the products of the annual activity level of each energy consumption and the corresponding carbon emission factors and the sum of the products of the annual water consumption of various water and the corresponding carbon emission factors;
the water heating system comprises a lighting system, a heating ventilation air conditioning system, a domestic hot water system and an elevator system.
Optionally, the alternative energy equivalent carbon amount calculation module includes:
the annual average solar radiation quantity of the area of the solar collector and the area of the target building is processed to obtain annual energy of the solar water heating system; multiplying the annual energy of the solar water heating system by the carbon emission factor of the power grid to obtain the annual carbon emission equivalent to the energy of the solar water heating system;
processing the obtained net area of the photovoltaic panel and the solar radiation illuminance of the area where the target building is located to obtain the annual energy generation capacity of the photovoltaic system, and multiplying the annual energy generation capacity of the photovoltaic system by the grid carbon emission factor to obtain the equivalent carbon emission capacity of the photovoltaic system in power generation;
calculating to obtain annual energy generation capacity of a wind generating set according to the collected annual available average wind speed, the surface roughness coefficient, the windward area of a fan blade and the diameter of the fan blade of the area where the target building is located, and multiplying the annual energy generation capacity of the wind generating set by a grid carbon emission factor to obtain the equivalent carbon emission capacity of the wind generating set for generating electricity;
and summing the functionally equivalent carbon emission of the solar water heating system, the equivalent carbon emission of the photovoltaic system and the equivalent carbon emission of the wind power generation set to obtain the equivalent carbon amount of the alternative energy.
Optionally, the carbon sink system carbon sequestration calculation module includes:
counting the areas of various planting types, and multiplying the areas by corresponding land carbon sink factors to obtain carbon fixation amounts of various planting types; summing the carbon fixation amounts of various planting types to obtain the carbon fixation amount of the carbon sink system;
wherein the planting types comprise roof greening vegetation types, vertical greening vegetation types and site greening vegetation types.
Optionally, the carbon emission amount calculation analysis module includes:
C total (S) ＝C em +(C um -C re -C l )ⅹt
Wherein C is Total (S) For building carbon emission, C em Carbon emission amount after reducing carbon of building body, C um Carbon emission amount after reducing carbon for equipment system, C re Equivalent carbon content of alternative energy, C l The carbon sequestration amount of the carbon sink system is defined as t, and the service life of the building is defined as the service life of the building.
A net zero carbon building computing method, comprising:
the parameters required by the carbon emission calculation module after the carbon reduction of the building body are configured, and the carbon emission generated by the target building in the building material production stage, the building material transportation stage, the building construction stage and the building dismantling and changing stage is calculated;
parameters required by a carbon emission calculation module after equipment system carbon reduction are configured, and carbon emission generated in the operation stage of a water heating electric system of a target building is calculated;
configuring parameters required by an alternative energy equivalent carbon quantity calculating module, and calculating and converting energy equivalent generated by a solar water heating system, a photovoltaic power generation system and a wind power generation system into carbon dioxide quantity required to be released for obtaining the energy;
configuring parameters required by a carbon sequestration amount calculation module of a carbon sink system, and calculating roof greening, vertical greening and site greening fixed carbon dioxide amounts of a target building;
calculating to obtain the carbon emission of the building according to the data obtained by the carbon emission calculation module after the carbon reduction of the building body, the carbon emission calculation module after the carbon reduction of the equipment system, the equivalent carbon amount calculation module of the alternative energy source, the carbon fixing amount calculation module of the carbon sink system and the service life of the target building; and judging whether the carbon emission of the building is less than or equal to 0, and if so, determining that the target building is a net zero-carbon building.
Optionally, the calculating the carbon emission amount generated by the target building in the building material production stage, the building material transportation stage, the building construction stage and the building dismantling and changing stage comprises:
acquiring the building material type, the building material transportation distance and the building material consumption required by the target building during construction;
estimating the engineering quantity and the engineering machine shift consumption required by the target building in the construction and dismantling processes;
determining the carbon emission generated in the building material production stage according to the building material consumption and the carbon emission factor of the corresponding building material;
determining the carbon emission generated in the building material transportation stage according to the building material consumption, the transportation distance and the carbon emission factor of the transportation distance per unit weight;
determining the carbon emission generated in the building stage according to the consumption of the engineering machinery shift in the building process of the target building and the carbon footprint factor of the corresponding engineering machinery;
according to the consumption of the engineering machinery shift and the carbon footprint factor of the corresponding engineering machinery in the dismantling process, determining the carbon emission generated in the construction dismantling phase;
and summing the carbon emission generated in the building material production stage, the carbon emission generated in the building material transportation stage, the carbon emission generated in the building construction stage and the carbon emission generated in the building disassembly and modification stage to obtain the carbon emission after the carbon reduction of the building body.
Optionally, the calculating equivalently converts energy generated by the solar water heating system, the photovoltaic power generation system and the wind power generation system into carbon dioxide required to be released for obtaining the energy, and the calculating comprises the following steps:
the annual average solar radiation quantity of the area of the solar collector and the area of the target building is processed to obtain annual energy of the solar water heating system; multiplying the annual energy of the solar water heating system by the carbon emission factor of the power grid to obtain the annual carbon emission equivalent to the energy of the solar water heating system;
processing the obtained net area of the photovoltaic panel and the solar radiation illuminance of the area where the target building is located to obtain the annual energy generation capacity of the photovoltaic system, and multiplying the annual energy generation capacity of the photovoltaic system by the grid carbon emission factor to obtain the equivalent carbon emission capacity of the photovoltaic system in power generation;
calculating to obtain annual energy generation capacity of a wind generating set according to the collected annual available average wind speed, the surface roughness coefficient, the windward area of a fan blade and the diameter of the fan blade of the area where the target building is located, and multiplying the annual energy generation capacity of the wind generating set by a grid carbon emission factor to obtain the equivalent carbon emission capacity of the wind generating set for generating electricity;
and summing the functionally equivalent carbon emission of the solar water heating system, the equivalent carbon emission of the photovoltaic system and the equivalent carbon emission of the wind power generation set to obtain the equivalent carbon amount of the alternative energy.
Optionally, the calculating the roof greening, vertical greening and site greening fixed carbon dioxide amount of the target building comprises:
counting the areas of various planting types, and multiplying the areas by corresponding land carbon sink factors to obtain carbon fixation amounts of various planting types; summing the carbon fixation amounts of various planting types to obtain the carbon fixation amount of the carbon sink system;
wherein the planting types comprise roof greening vegetation types, vertical greening vegetation types and site greening vegetation types.
Compared with the prior art, the method considers the carbon emission of the whole life cycle of the building, reduces the dependence of the building on external energy, meets the requirements of building design, and solves the problems of missing and imperfect calculation methods of the zero-carbon building.
Drawings
In order to more clearly illustrate the embodiments of the present description or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the embodiments of the present description, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
FIG. 1 is a schematic diagram of a net zero carbon building computing system provided in accordance with an embodiment of the present invention.
S10, a carbon emission calculation module after carbon reduction of the building body; s20, a carbon emission calculation module after the equipment system reduces carbon; s30, an alternative energy equivalent carbon amount calculating module; s40, a carbon sequestration amount calculation module of a carbon sink system; s50, building carbon emission total amount calculation module; s11, calculating carbon emission in the building material production stage; s12, calculating carbon emission in a building material transportation stage; s13, calculating carbon emission in the building construction stage; s14, calculating carbon emission in a building dismantling and modifying stage; s15, calculating total amount of implicit carbon emission; s21, calculating carbon emission of the lighting equipment; s22, calculating carbon emission of the heating ventilation air conditioner; s23, calculating carbon emission of domestic hot water; s24, calculating carbon emission of the elevator system; s25, calculating total emission amount of running carbon; s31, calculating equivalent carbon emission of energy supply of the solar water heating system; s32-calculating the equivalent carbon emission of the photovoltaic system; s33, calculating the equivalent carbon emission of the wind generating set; s34, calculating the total equivalent carbon emission of the alternative energy; s41-roof greening carbon fixation amount calculation; s42-calculating the vertical greening carbon fixation amount; s43, calculating the carbon sequestration amount for site greening; s44, calculating the total carbon sequestration amount of the carbon sequestration system.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the embodiment of the invention, a single building or a building group is taken as a target building to be used as a calculation object.
For the purpose of facilitating an understanding of the embodiments of the present invention, reference will now be made to the following description of specific embodiments, taken in conjunction with the accompanying drawings, which are not intended to limit the embodiments of the invention.
Example 1
The present embodiment provides a net zero carbon building computing system, as shown in fig. 1, comprising:
the carbon emission calculation module after the carbon reduction of the building body is used for calculating the carbon emission generated by a target building in the building material production stage, the building material transportation stage, the building construction stage and the building dismantling and modifying stage;
the carbon emission calculation module after the equipment system reduces carbon is used for calculating the carbon emission generated in the operation stage of the water heating electric system of the target building;
the replaceable energy equivalent carbon amount calculating module is used for calculating and equivalently converting energy generated by the solar water heating system, the photovoltaic power generation system and the wind power generation system into carbon dioxide amount required to be released for obtaining the energy;
the carbon sink system carbon fixation amount calculation module is used for calculating roof greening, vertical greening and site greening fixed carbon dioxide amount of a target building;
the carbon emission calculation and analysis module is used for calculating the carbon emission of the building according to the data obtained by the carbon emission calculation module after the carbon reduction of the building body, the carbon emission calculation module after the carbon reduction of the equipment system, the alternative energy equivalent carbon amount calculation module, the carbon sequestration calculation module of the carbon sink system and the service life of the target building; and judging whether the carbon emission of the building is less than or equal to 0, and if so, determining that the target building is a net zero-carbon building.
The carbon emission of the building body after carbon reduction is the carbon emission of the building body after the transportation carbon reduction option, the building construction carbon reduction option and the building disassembly and modification carbon reduction option of building materials are considered in the building design process.
In an embodiment of the present invention, the building body carbon emission calculation module after carbon reduction includes:
and obtaining the building material type, the building material transportation distance and the building material consumption required by the target building during construction.
And estimating the engineering quantity and the engineering machine table work consumption required by the target building in the construction and dismantling processes.
And determining the carbon emission generated in the building material production stage according to the building material consumption and the carbon emission factor of the corresponding building material.
Specifically, the formula is:
wherein C in the formula sc Representing the carbon emission amount of the building material in the production stage; m is M i Indicating the consumption of the ith main building material; f (F) i Representing the carbon emission factor of the i-th main building material; n represents the number of kinds of building materials.
The consumption of building materials of the building can be determined by inquiring engineering construction related technical data such as design drawings, purchase lists and the like. The carbon emission factor of the building material can be selected from building material carbon footprint data, and the default value can be executed according to standard values established by international or government.
And determining the carbon emission generated in the building material transportation stage according to the building material consumption, the transportation distance and the carbon emission factor of the transportation distance per unit weight.
Specifically, the formula is:
wherein C in the formula ys Representing the carbon emission amount of the building material in the transportation stage; m is M i Indicating the consumption of the ith main building material; d (D) i Represents the ith building materialAverage transport distance; t (T) i A carbon emission factor representing a transport distance per unit weight in a transport mode of the ith building material; n represents the number of kinds of building materials.
The carbon emission factor of the building material transportation stage represents the direct carbon emission of the transportation process of the building material from the production place to the construction site and the carbon emission of the production process of the energy consumed in the transportation process.
And determining the carbon emission generated in the building construction stage according to the consumption of the engineering machinery table in the construction process of the target building and the carbon footprint factor of the corresponding engineering machinery.
Specifically, the formula is:
wherein C in the formula jz Carbon emission for the building construction stage; CB (CB) i Is the carbon footprint factor of the i-th engineering machine; m is m i The data amount of the shift of the ith engineering machine; n represents the number of types of construction machines.
The construction phase carbon emission calculation time boundary is from project start to project completion acceptance.
And determining the carbon emission generated in the construction dismantling phase according to the consumption of the engineering machinery shift and the carbon footprint factor of the corresponding engineering machinery in the dismantling process.
Specifically, the formula is:
wherein C in the formula cg Carbon emission for the building dismantling and changing stage; CB (CB) i Is the carbon footprint factor of the i-th engineering machine; m is m i The data amount of the shift of the ith engineering machine; n represents the number of types of construction machines.
The carbon emission calculation time boundary for the construction demolition phase is from demolition to demolition and from floor to floor.
And summing the carbon emission generated in the building material production stage, the carbon emission generated in the building material transportation stage, the carbon emission generated in the building construction stage and the carbon emission generated in the building disassembly and modification stage to obtain the carbon emission after the carbon reduction of the building body.
Specifically, the formula is: c (C) em ＝C sc +C ys +C jz +C cg
Wherein C in the formula em Carbon emission is reduced for the building body.
In an embodiment of the present invention, the carbon emission calculation module after the equipment system is reduced in carbon includes:
the method comprises the steps of collecting annual activity level of energy consumption in the operation stage of a water heating system, annual water consumption of various types of water, carbon emission factors corresponding to various energy sources and carbon emission factors corresponding to various types of water;
determining the carbon emission after the equipment system reduces carbon according to the sum of the products of the annual activity level of each energy consumption and the corresponding carbon emission factors and the sum of the products of the annual water consumption of various water and the corresponding carbon emission factors; the water heating system comprises a lighting system, a heating ventilation air conditioning system, a domestic hot water system and an elevator system.
Specifically, the formula is:
wherein C in the formula um Annual carbon emission after the equipment system is reduced in carbon; e, e i Annual activity level for the ith energy expenditure; CE (CE) i The carbon emission factor corresponding to the ith energy source; CW (continuous wave) j Carbon emission factor corresponding to j-th water; w (w) j Annual water usage for the j-th water; n represents the number of kinds of energy sources; m represents the type number of water.
In the step, substituting each equipment system in the water heating electric system into a formula specifically comprises the following steps: counting the annual electricity consumption of the lighting equipment, and multiplying the annual electricity consumption by a power grid carbon emission factor to obtain the carbon emission generated by the lighting equipment; counting the annual electricity consumption of the heating, ventilation and air conditioning equipment, and multiplying the annual electricity consumption by the carbon emission factor of the power grid to obtain the carbon emission generated by the heating, ventilation and air conditioning equipment; counting annual water consumption of domestic hot water, multiplying the annual water consumption by a carbon emission factor of the hot water to obtain carbon emission generated by domestic hot water equipment; counting the annual electricity consumption of the elevator equipment, and multiplying the annual electricity consumption by a power grid carbon emission factor to obtain carbon emission generated by the elevator equipment; and summing the carbon emission produced by each device to obtain the carbon emission of building operation, namely the carbon emission after the device system reduces carbon.
The carbon emission after the equipment system reduces carbon is carbon emission generated by systems such as illumination, heating ventilation and air conditioning, domestic hot water, elevators and the like after the intelligent control system is adopted, wherein the carbon emission is used for improving the energy efficiency of the equipment, reducing the loss in the energy source and water source transmission and distribution process.
In the embodiment of the invention, the equivalent carbon quantity of the replaceable energy source is the carbon emission quantity equivalent to the energy supply of a solar water heating system, the power generation of a photovoltaic system and the power generation of a wind generating set. The alternative energy equivalent carbon amount calculation module includes:
the annual average solar radiation quantity of the area of the solar collector and the area of the target building is processed to obtain annual energy of the solar water heating system; and multiplying the annual energy of the solar water heating system by the carbon emission factor of the power grid to obtain the annual carbon emission equivalent to the energy of the solar water heating system.
Specifically, the formula is:
wherein Q in the formula s,a Annual energy for solar water heating systems; a is that c Is the solar collector area; j (J) T An annual average solar radiation amount on a lighting surface of the solar collector; η (eta) cd Average heat collection efficiency of the heat collector based on the total area; η (eta) L The heat loss rate of the pipeline and the heat storage device; c (C) s,a Equivalent carbon emission for supplying energy to solar water heating system e e Is the carbon emission factor of the power grid.
And processing the obtained net area of the photovoltaic panel and the solar radiation illuminance of the area where the target building is located to obtain the annual energy generation capacity of the photovoltaic system, and multiplying the annual energy generation capacity of the photovoltaic system by the grid carbon emission factor to obtain the equivalent carbon emission capacity of the photovoltaic system in power generation.
Specifically, the formula is: e (E) pv ＝IK E (1-K s )A p C pv ＝Q pv ×e e
Wherein E in the formula pv Representing annual energy production of the photovoltaic system; i represents the annual solar radiation illuminance of the photovoltaic cell surface; k (K) E Representing the conversion efficiency of the photovoltaic cell; k (K) s Representing the loss efficiency of the photovoltaic system; a is that p Representing the net area of a photovoltaic panel of the photovoltaic system; c (C) pv Representing the annual carbon emission equivalent to the power generation of the photovoltaic system; e, e e Is the carbon emission factor of the power grid.
According to the collected annual available average wind speed, the surface roughness coefficient, the windward area of the fan blade and the diameter of the fan blade of the target building, calculating to obtain annual energy generation capacity of the wind generating set, and multiplying the annual energy generation capacity of the wind generating set by a grid carbon emission factor to obtain the equivalent carbon emission capacity of the wind generating set.
Specifically, the formula is:
C R (z)＝K R ln(z/z 0 )
A w ＝5D 2 /4
C wt ＝E wt ×e e
wherein E in the formula wt Annual energy production for a wind turbine; ρ is the air density; c (C) R (z) is a roughness coefficient calculated from the height; k (K) R Is a field factor; z 0 Is the surface roughness coefficient; v (V) 0 Average wind speed is available for the year; a is that w The windward area of the fan blade; d is the diameter of the fan blade; k (K) wT The conversion efficiency of the wind generating set is achieved; c (C) wt Annual carbon emission equivalent to wind generating set generation, e e Is the carbon emission factor of the power grid.
And summing the functionally equivalent carbon emission of the solar water heating system, the equivalent carbon emission of the photovoltaic system and the equivalent carbon emission of the wind power generation set to obtain the equivalent carbon amount of the alternative energy.
In an embodiment of the present invention, the carbon sequestration calculation module of the carbon sink system includes:
counting the areas of various planting types, and multiplying the areas by corresponding land carbon sink factors to obtain carbon fixation amounts of various planting types; summing the carbon fixation amounts of various planting types to obtain the carbon fixation amount of the carbon sink system;
wherein the planting types comprise roof greening vegetation types, vertical greening vegetation types and site greening vegetation types.
Specifically, the formula is:
wherein C in the formula 1 Carbon sequestration amount for carbon sink system; p (P) i The method comprises the steps of (1) taking a soil carbon sink factor of an ith planting type as a ground carbon sink factor; a is that i An area of the ith planting type; n is the number of planting types.
In this step, substituting each planting type into the formula specifically includes: counting the vegetation types of roof greening, and multiplying the vegetation types by the corresponding land carbon sink factors to obtain the carbon fixation amount of the roof greening; counting the type of the vertical greening vegetation, and multiplying the type by a corresponding land carbon sink factor to obtain the carbon fixation amount of the vertical greening; counting the vegetation types of the site greening, and multiplying the vegetation types by the corresponding carbon sink factors of the site greening to obtain the carbon fixation amount of the site greening; summing the carbon sequestration amounts to obtain the annual carbon sequestration amount of the carbon sequestration system.
In an embodiment of the present invention, the carbon emission amount calculation analysis module includes:
C total (S) ＝C em +(C um -C re -C l )ⅹt
Wherein C is Total (S) For building carbon emission, C em Carbon emission amount after reducing carbon of building body, C um Carbon emission amount after reducing carbon for equipment system, C re Equivalent carbon content of alternative energy, C l The carbon sequestration amount of the carbon sink system is defined as t, and the service life of the building is defined as the service life of the building.
And if the building carbon emission is less than or equal to 0, judging that the target building is a net zero-carbon building.
Compared with the prior art, the method and the device consider the carbon emission of the whole life cycle of the building, reduce the dependence of the building on external energy, meet the requirements of building design, and solve the problems of missing and imperfect calculation methods of the zero-carbon building.
The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the invention, and is not meant to limit the scope of the invention, but to limit the invention to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the invention are intended to be included within the scope of the invention.

Claims (10)

1. A net zero carbon building computing system, comprising:
the carbon emission calculation module after the carbon reduction of the building body is used for calculating the carbon emission generated by a target building in the building material production stage, the building material transportation stage, the building construction stage and the building dismantling and modifying stage;
the carbon emission calculation module after the equipment system reduces carbon is used for calculating the carbon emission generated in the operation stage of the water heating electric system of the target building;
the replaceable energy equivalent carbon amount calculating module is used for calculating and equivalently converting energy generated by the solar water heating system, the photovoltaic power generation system and the wind power generation system into carbon dioxide amount required to be released for obtaining the energy;
the carbon sink system carbon fixation amount calculation module is used for calculating roof greening, vertical greening and site greening fixed carbon dioxide amount of a target building;
the carbon emission calculation and analysis module is used for calculating the carbon emission of the building according to the data obtained by the carbon emission calculation module after the carbon reduction of the building body, the carbon emission calculation module after the carbon reduction of the equipment system, the alternative energy equivalent carbon amount calculation module, the carbon sequestration calculation module of the carbon sink system and the service life of the target building; and judging whether the carbon emission of the building is less than or equal to 0, and if so, determining that the target building is a net zero-carbon building.
2. The net zero carbon building computing system of claim 1, wherein the building body carbon reduction post carbon emission calculation module comprises:
acquiring the building material type, the building material transportation distance and the building material consumption required by the target building during construction;
estimating the engineering quantity and the engineering machine shift consumption required by the target building in the construction and dismantling processes;
determining the carbon emission generated in the building material production stage according to the building material consumption and the carbon emission factor of the corresponding building material;
determining the carbon emission generated in the building material transportation stage according to the building material consumption, the transportation distance and the carbon emission factor of the transportation distance per unit weight;
determining the carbon emission generated in the building stage according to the consumption of the engineering machinery shift in the building process of the target building and the carbon footprint factor of the corresponding engineering machinery;
according to the consumption of the engineering machinery shift and the carbon footprint factor of the corresponding engineering machinery in the dismantling process, determining the carbon emission generated in the construction dismantling phase;
and summing the carbon emission generated in the building material production stage, the carbon emission generated in the building material transportation stage, the carbon emission generated in the building construction stage and the carbon emission generated in the building disassembly and modification stage to obtain the carbon emission after the carbon reduction of the building body.
3. The net zero carbon building computing system of claim 1, wherein the equipment system carbon reduction post carbon emission calculation module comprises:
the method comprises the steps of collecting annual activity level of energy consumption in the operation stage of a water heating system, annual water consumption of various types of water, carbon emission factors corresponding to various energy sources and carbon emission factors corresponding to various types of water;
determining the carbon emission after the equipment system reduces carbon according to the sum of the products of the annual activity level of each energy consumption and the corresponding carbon emission factors and the sum of the products of the annual water consumption of various water and the corresponding carbon emission factors;
the water heating system comprises a lighting system, a heating ventilation air conditioning system, a domestic hot water system and an elevator system.
4. The net zero carbon building computing system of claim 1, wherein the alternative energy equivalent carbon calculation module comprises:
the annual average solar radiation quantity of the area of the solar collector and the area of the target building is processed to obtain annual energy of the solar water heating system; multiplying the annual energy of the solar water heating system by the carbon emission factor of the power grid to obtain the annual carbon emission equivalent to the energy of the solar water heating system;
processing the obtained net area of the photovoltaic panel and the solar radiation illuminance of the area where the target building is located to obtain the annual energy generation capacity of the photovoltaic system, and multiplying the annual energy generation capacity of the photovoltaic system by the grid carbon emission factor to obtain the equivalent carbon emission capacity of the photovoltaic system in power generation;
calculating to obtain annual energy generation capacity of a wind generating set according to the collected annual available average wind speed, the surface roughness coefficient, the windward area of a fan blade and the diameter of the fan blade of the area where the target building is located, and multiplying the annual energy generation capacity of the wind generating set by a grid carbon emission factor to obtain the equivalent carbon emission capacity of the wind generating set for generating electricity;
and summing the functionally equivalent carbon emission of the solar water heating system, the equivalent carbon emission of the photovoltaic system and the equivalent carbon emission of the wind power generation set to obtain the equivalent carbon amount of the alternative energy.
5. The net zero carbon building computing system of claim 1, wherein the carbon sink system fixed carbon amount calculation module comprises:
counting the areas of various planting types, and multiplying the areas by corresponding land carbon sink factors to obtain carbon fixation amounts of various planting types; summing the carbon fixation amounts of various planting types to obtain the carbon fixation amount of the carbon sink system;
wherein the planting types comprise roof greening vegetation types, vertical greening vegetation types and site greening vegetation types.
6. The net zero carbon building computing system of claim 1, wherein the carbon emission calculation analysis module comprises:
C total (S) ＝C em +(C um -C re -C l )ⅹt
Wherein C is Total (S) For building carbon emission, C em Carbon emission amount after reducing carbon of building body, C um Carbon emission amount after reducing carbon for equipment system, C re Equivalent carbon content of alternative energy, C l The carbon sequestration amount of the carbon sink system is defined as t, and the service life of the building is defined as the service life of the building.
7. A method of net zero carbon building calculation, comprising:
the parameters required by the carbon emission calculation module after the carbon reduction of the building body are configured, and the carbon emission generated by the target building in the building material production stage, the building material transportation stage, the building construction stage and the building dismantling and changing stage is calculated;
parameters required by a carbon emission calculation module after equipment system carbon reduction are configured, and carbon emission generated in the operation stage of a water heating electric system of a target building is calculated;
configuring parameters required by an alternative energy equivalent carbon quantity calculating module, and calculating and converting energy equivalent generated by a solar water heating system, a photovoltaic power generation system and a wind power generation system into carbon dioxide quantity required to be released for obtaining the energy;
configuring parameters required by a carbon sequestration amount calculation module of a carbon sink system, and calculating roof greening, vertical greening and site greening fixed carbon dioxide amounts of a target building;
calculating to obtain the carbon emission of the building according to the data obtained by the carbon emission calculation module after the carbon reduction of the building body, the carbon emission calculation module after the carbon reduction of the equipment system, the equivalent carbon amount calculation module of the alternative energy source, the carbon fixing amount calculation module of the carbon sink system and the service life of the target building; and judging whether the carbon emission of the building is less than or equal to 0, and if so, determining that the target building is a net zero-carbon building.
8. The method of claim 7, wherein the calculating the carbon emissions of the target building during the building material production phase, the building material transportation phase, the building construction phase, and the building demolition phase comprises:
acquiring the building material type, the building material transportation distance and the building material consumption required by the target building during construction;
estimating the engineering quantity and the engineering machine shift consumption required by the target building in the construction and dismantling processes;
determining the carbon emission generated in the building material production stage according to the building material consumption and the carbon emission factor of the corresponding building material;
determining the carbon emission generated in the building material transportation stage according to the building material consumption, the transportation distance and the carbon emission factor of the transportation distance per unit weight;
determining the carbon emission generated in the building stage according to the consumption of the engineering machinery shift in the building process of the target building and the carbon footprint factor of the corresponding engineering machinery;
according to the consumption of the engineering machinery shift and the carbon footprint factor of the corresponding engineering machinery in the dismantling process, determining the carbon emission generated in the construction dismantling phase;
and summing the carbon emission generated in the building material production stage, the carbon emission generated in the building material transportation stage, the carbon emission generated in the building construction stage and the carbon emission generated in the building disassembly and modification stage to obtain the carbon emission after the carbon reduction of the building body.
9. The method of claim 7, wherein the step of equivalently converting energy generated by the solar water heating system, the photovoltaic power generation system and the wind power generation system into carbon dioxide required to be released to obtain the energy comprises the steps of:
the annual average solar radiation quantity of the area of the solar collector and the area of the target building is processed to obtain annual energy of the solar water heating system; multiplying the annual energy of the solar water heating system by the carbon emission factor of the power grid to obtain the annual carbon emission equivalent to the energy of the solar water heating system;
processing the obtained net area of the photovoltaic panel and the solar radiation illuminance of the area where the target building is located to obtain the annual energy generation capacity of the photovoltaic system, and multiplying the annual energy generation capacity of the photovoltaic system by the grid carbon emission factor to obtain the equivalent carbon emission capacity of the photovoltaic system in power generation;
calculating to obtain annual energy generation capacity of a wind generating set according to the collected annual available average wind speed, the surface roughness coefficient, the windward area of a fan blade and the diameter of the fan blade of the area where the target building is located, and multiplying the annual energy generation capacity of the wind generating set by a grid carbon emission factor to obtain the equivalent carbon emission capacity of the wind generating set for generating electricity;
and summing the functionally equivalent carbon emission of the solar water heating system, the equivalent carbon emission of the photovoltaic system and the equivalent carbon emission of the wind power generation set to obtain the equivalent carbon amount of the alternative energy.
10. The method for calculating the net zero carbon building according to claim 7, wherein the calculating the roof greening, vertical greening and site greening fixed carbon dioxide amount of the target building comprises:
counting the areas of various planting types, and multiplying the areas by corresponding land carbon sink factors to obtain carbon fixation amounts of various planting types; summing the carbon fixation amounts of various planting types to obtain the carbon fixation amount of the carbon sink system;
wherein the planting types comprise roof greening vegetation types, vertical greening vegetation types and site greening vegetation types.
CN202310140686.3A 2023-02-14 2023-02-14 Zero-carbon building computing system and method Pending CN116502011A (en)

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