CN112765528A - Accounting method and device for carbon dioxide emission of cement production enterprise - Google Patents

Accounting method and device for carbon dioxide emission of cement production enterprise Download PDF

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CN112765528A
CN112765528A CN201911070918.2A CN201911070918A CN112765528A CN 112765528 A CN112765528 A CN 112765528A CN 201911070918 A CN201911070918 A CN 201911070918A CN 112765528 A CN112765528 A CN 112765528A
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姜涵
郭玥锋
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Suzhou Wuyun Mingtai Technology Co ltd
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Abstract

The embodiment of the disclosure discloses a method and a device for accounting carbon dioxide emission of a cement production enterprise. One embodiment of the method comprises: determining a key emission source of carbon dioxide; aiming at each key emission source, adopting a corresponding accounting method to account the emission amount corresponding to each key emission source; determining the carbon dioxide emission amount of a target enterprise based on the emission amount corresponding to each key emission source; inputting the carbon dioxide emission of a target enterprise into a greenhouse gas monitoring terminal, and comparing the input carbon dioxide emission with a preset threshold value by the greenhouse gas monitoring terminal; and if the input carbon dioxide emission is greater than a preset threshold value, uploading the carbon dioxide emission and the position information of the target enterprise to a greenhouse gas monitoring platform, and issuing the received information by the greenhouse gas monitoring platform. This embodiment improves the accuracy of the discharge amount.

Description

Accounting method and device for carbon dioxide emission of cement production enterprise
Technical Field
The embodiment of the disclosure relates to the technical field of computers, in particular to a method and a device for accounting carbon dioxide emission of cement production enterprises.
Background
With the continuous development of society and modern industry, the emission of greenhouse gases in large quantities leads to the intensification of the global warming effect. Under the background of climate change and the search for sustainable development, the control of greenhouse gas emission and the development of low-carbon economy become common consensus of the whole society. In order to realize energy conservation and emission reduction and reduce the emission of greenhouse gases, the emission amount of the greenhouse gases emitted by each emission source in a city needs to be accurately determined. However, the current accounting methods cannot meet the requirements.
Disclosure of Invention
This summary is provided to introduce a selection of concepts in a simplified form that are further described below in the detailed description. This summary is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used to limit the scope of the claimed subject matter.
Some embodiments of the present disclosure provide a method and apparatus for accounting for carbon dioxide emissions from a cement manufacturing enterprise to solve the technical problems mentioned in the background section above.
In a first aspect, some embodiments of the present disclosure provide a method for accounting for carbon dioxide emissions from a cement manufacturing facility, the method comprising: determining a key emission source for carbon dioxide, wherein the key emission source comprises at least one of: combustion of fossil fuels, combustion of non-biomass carbon in alternative fuels and co-disposed waste, decomposition of material carbonates, calcination of non-fuel carbon in materials and electricity and heat for use in the purchase; aiming at each key emission source, adopting a corresponding accounting method to account the emission amount corresponding to each key emission source; determining the carbon dioxide emission amount of a target enterprise based on the emission amount corresponding to each key emission source; inputting the carbon dioxide emission of a target enterprise into a greenhouse gas monitoring terminal, and comparing the input carbon dioxide emission with a preset threshold value by the greenhouse gas monitoring terminal; and if the input carbon dioxide emission is greater than a preset threshold value, uploading the carbon dioxide emission and the position information of the target enterprise to a greenhouse gas monitoring platform, and issuing the received information by the greenhouse gas monitoring platform.
In some embodiments, determining the carbon dioxide emissions from the cement manufacturing facility comprises: determining the carbon dioxide emission of the petrochemical enterprises according to the following formula:
Figure BDA0002260926700000021
or
Figure BDA0002260926700000022
Wherein the content of the first and second substances,
Figure BDA0002260926700000023
representing the total carbon dioxide emission of the enterprise; eBurning ofRepresenting carbon dioxide emissions from fuel burning activities consumed by the enterprise; eCombustion 1Representing the carbon dioxide emissions produced by fossil fuel burning activities consumed by the enterprise; eCombustion 2Representing the carbon dioxide emission generated by the combustion of alternative fuels or wastes consumed by enterprises; eProcedureRepresenting the carbon dioxide emission generated by enterprises in the industrial production process; eProcess 1Representing the carbon dioxide emission generated by decomposing the raw material carbonate in the production process of an enterprise; eProcess 2Representing the emission of carbon dioxide generated by the calcination of non-fuel carbon in the raw meal in the production process of an enterprise; eElectric and thermalAnd the carbon dioxide emission corresponding to the electric power and the heat purchased by the enterprise is shown.
In some embodiments, the amount of carbon dioxide emissions produced by a cement manufacturing facility as a result of fossil fuel combustion activities is determined according to the following formula:
Figure BDA0002260926700000024
wherein E isCombustion 1Carbon dioxide emissions from the combustion of fossil fuels consumed during accounting and reporting periods; ADiActivity level for the ith fossil fuel consumed during accounting and reporting periods; EFiA carbon dioxide emission factor for an ith fossil fuel; i is the type of fossil fuel that is net consumed.
In some embodiments, the amount of carbon dioxide emissions produced by a cement manufacturing enterprise as a result of burning alternative fuels or waste is determined according to the following formula:
Figure BDA0002260926700000025
wherein E isCombustion 2For the combustion of non-biomass carbon in alternative fuels or wastes during accounting and reporting periodsThe amount of carbon dioxide emissions generated; qiThe dosage of various alternative fuels or wastes; HV (high voltage) deviceiWeighted average lower heating value for various alternative fuels or wastes; EFiCarbon dioxide emission factors for combustion of various alternative fuels or wastes; alpha is alphajThe content of non-biomass carbon in various alternative fuels or wastes; j represents the type of alternative fuel or waste.
In some embodiments, the carbon dioxide emissions generated by the decomposition of the raw carbonate during the production process by the cement manufacturing enterprise are determined according to the following formula:
Figure BDA0002260926700000031
wherein E isProcess 1Carbon dioxide (carbon dioxide) emission generated by decomposing raw material carbonate in a accounting and reporting period; qiThe yield of the produced cement clinker; qckdThe weight of dust of a kiln exhaust funnel (kiln head); qbqdThe weight of dust discharged from a kiln bypass; FR1The content of calcium oxide (CaO) in the clinker; FR10The content of calcium oxide (CaO) which is not derived from the decomposition of carbonate in clinker; FR2The content of magnesium oxide (MgO) in clinker; FR20The content of magnesium oxide (MgO) which is not derived from the decomposition of carbonate in clinker;
Figure BDA0002260926700000032
converting the molecular weight between carbon dioxide and calcium oxide;
Figure BDA0002260926700000033
converted into molecular weight between carbon dioxide and magnesium oxide.
In some embodiments, the amount of carbon dioxide emissions generated by the calcination of non-fuel carbon in raw meal during production by a cement manufacturing enterprise is determined according to the following formula:
Figure BDA0002260926700000034
wherein E isProcess 2Accounting and reporting the emission of carbon dioxide generated by calcining the non-fuel carbon in the raw material in the period; qThe amount of raw meal; FR0Non-fuel carbon content in the raw meal;
Figure BDA0002260926700000035
and converting the amount of carbon dioxide and carbon.
In some embodiments, the carbon dioxide emissions corresponding to net power and heat purchased by a cement manufacturing enterprise are determined according to the following formula: eElectric and thermal＝ADElectric power×EFElectric power+ADHeating power×EFHeating powerWherein E isElectric and thermalCarbon dioxide emission amount of production activities corresponding to power and heat for pure purchase and use; ADElectric powerCalculating and reporting the net purchased electric quantity in the period; ADHeating powerFor the amount of heat net purchased during the accounting and reporting period; EFElectric powerA carbon dioxide emission factor that is electrical power; EFHeating powerIs a thermal carbon dioxide emission factor.
In some embodiments, the method further comprises: storing the position information of each emission source in the greenhouse gas monitoring terminal, wherein the greenhouse gas monitoring terminal displays each emission source according to the position information so that the position relation displayed by the plurality of emission sources on the greenhouse gas monitoring terminal corresponds to the actual position relation; for each emission source, the greenhouse gas monitoring terminal sorts the emission amount of the greenhouse gas monitoring terminal to obtain an emission amount list of each emission source, and the emission amount list is displayed on the greenhouse gas monitoring terminal; the greenhouse gas monitoring terminal compares the emission of a plurality of emission sources with a preset emission threshold, if the emission is greater than the preset emission threshold, a connected warning system is triggered, and the warning system sends carbon dioxide emission standard exceeding warning information to the greenhouse gas monitoring terminal.
In a second aspect, some embodiments of the present disclosure provide an apparatus for accounting for carbon dioxide emissions from a cement manufacturing facility, the apparatus comprising: a first determination unit configured to determine a critical emission source of carbon dioxide, wherein the critical emission source comprises at least one of: combustion of fossil fuels, combustion of non-biomass carbon in alternative fuels and co-disposed waste, decomposition of material carbonates, calcination of non-fuel carbon in materials and electricity and heat for use in the purchase; the accounting unit is configured to account the emission amount corresponding to each key emission source by adopting a corresponding accounting method aiming at each key emission source; the second determining unit is configured to determine the carbon dioxide emission amount of the target enterprise based on the emission amount corresponding to each key emission source; a comparison unit configured to input a carbon dioxide emission amount of a target enterprise into a greenhouse gas monitoring terminal, the greenhouse gas monitoring terminal comparing the input carbon dioxide emission amount with a preset threshold; and the release unit is configured to upload the carbon dioxide emission and the position information of the target enterprise to a greenhouse gas monitoring platform if the input carbon dioxide emission is greater than a preset threshold, and the greenhouse gas monitoring platform releases the received information.
In a third aspect, some embodiments of the present disclosure provide an electronic device, comprising: one or more processors; a storage device having one or more programs stored thereon which, when executed by one or more processors, cause the one or more processors to implement a method as in any one of the first aspects.
One of the above-described various embodiments of the present disclosure has the following advantageous effects: by adopting the corresponding accounting method to account the corresponding emission amount of each key emission source aiming at each key emission source, the accuracy of the emission amount is improved. The received information is published through the greenhouse gas monitoring platform, so that the real-time display and publication of the enterprise related information are realized.
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The above and other features, advantages and aspects of various embodiments of the present disclosure will become more apparent by referring to the following detailed description when taken in conjunction with the accompanying drawings. Throughout the drawings, the same or similar reference numbers refer to the same or similar elements. It should be understood that the drawings are schematic and that elements and features are not necessarily drawn to scale.
FIG. 1 is a flow diagram of some embodiments of a method for accounting for carbon dioxide emissions from a cement manufacturing enterprise according to the present disclosure;
FIG. 2 is a schematic diagram of a configuration of some embodiments of an accounting device for carbon dioxide emissions from a cement manufacturing facility according to the present disclosure;
FIG. 3 is a schematic block diagram of an electronic device suitable for use in implementing some embodiments of the present disclosure.
Detailed Description
Embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While certain embodiments of the present disclosure are shown in the drawings, it is to be understood that the disclosure may be embodied in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided for a more thorough and complete understanding of the present disclosure. It should be understood that the drawings and embodiments of the disclosure are for illustration purposes only and are not intended to limit the scope of the disclosure.
It should be noted that, for convenience of description, only the portions related to the related invention are shown in the drawings. The embodiments and features of the embodiments in the present disclosure may be combined with each other without conflict.
It should be noted that the terms "first", "second", and the like in the present disclosure are only used for distinguishing different devices, modules or units, and are not used for limiting the order or interdependence relationship of the functions performed by the devices, modules or units.
It is noted that references to "a", "an", and "the" modifications in this disclosure are intended to be illustrative rather than limiting, and that those skilled in the art will recognize that "one or more" may be used unless the context clearly dictates otherwise.
The names of messages or information exchanged between devices in the embodiments of the present disclosure are for illustrative purposes only, and are not intended to limit the scope of the messages or information.
The present disclosure will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1, a flow 100 of some embodiments of a method for accounting for carbon dioxide emissions from a cement manufacturing facility according to the present disclosure is shown. The accounting method for the carbon dioxide emission of the cement production enterprise comprises the following steps:
in step 101, a key emission source of carbon dioxide is determined.
In some embodiments, the key emissions sources include, but are not limited to, at least one of: the combustion of fossil fuels, the combustion of non-biomass carbon in alternative fuels and co-disposed waste, the decomposition of material carbonates, the calcination of non-fuel carbon in materials and the electricity and heat of the purchase use. The execution main body of the accounting method for the carbon dioxide emission of the cement manufacturing enterprise can be a greenhouse gas monitoring terminal. Other monitoring devices or systems can be adopted according to actual needs. As an example, the performing body may determine the critical emission source of carbon dioxide in a variety of ways. For example, one or more emissions sources specified or entered by a technician may be determined as critical emissions sources of carbon dioxide. Of course, the corresponding key emission sources can be determined according to the types of different production enterprises according to needs.
And 102, aiming at each key emission source, adopting a corresponding accounting method to account the emission amount corresponding to each key emission source.
In some embodiments, the execution body may use a corresponding accounting method to account the emission amount corresponding to each key emission source for each key emission source.
As an example, the amount of carbon dioxide emissions produced by a cement manufacturing enterprise as a result of fossil fuel combustion activities is determined according to the following formula:
Figure BDA0002260926700000061
wherein E isCombustion 1The carbon dioxide emissions produced by the combustion of fossil fuels consumed during the accounting and reporting periods are in tons. ADiThe activity level of the ith fossil fuel consumed during the accounting and reporting period is in the unit of millions of kilojoules. EFiIs the carbon dioxide emission factor of the ith fossil fuel and has the unit of ton carbon dioxide/million kilojoules. i isThe type of fossil fuel that is net consumed, e.g., physical coal, fuel oil.
Optionally, the activity level of the ith fossil fuel consumed during the accounting and reporting period is determined according to the following formula:
ADi＝NCVi×FCi。
wherein NCViIs the average lower calorific value of the ith fossil fuel in the accounting and reporting period, and has a unit of million kilojoules per ton for solid or liquid fuels. For gaseous fuels, the unit is million kilojoules per million cubic meters. FCiIs the net consumption of the ith fossil fuel in the accounting and reporting period, in tons for solid or liquid fuels; for gaseous fuels, the unit is ten thousand cubic meters.
Optionally, the carbon dioxide emission factor of the ith fossil fuel is determined according to the following formula:
Figure BDA0002260926700000071
wherein, CCiThe carbon content of the unit heat value of the ith fossil fuel is the unit carbon/million kilojoules. OFiThe carbon oxidation rate of the ith fossil fuel is expressed in%.
As an example, fossil fuel average lower calorific data, as shown in table 2-1:
TABLE 2-1 China Cement industry Fuel calorific value
Fuel name Average lower calorific value Unit of
Raw coal 20908 Megacoke/ton
Clean coal 26344 Megacoke/ton
Coal washing 8363 Megacoke/ton
Coal slurry 10454 Megacoke/ton
Coke 28435 Megacoke/ton
Crude oil 41816 Megacoke/ton
Fuel oil 41816 Megacoke/ton
Gasoline (gasoline) 43070 Megacoke/ton
Kerosene oil 43070 Megacoke/ton
Diesel oil 42652 Megacoke/ton
Liquefied petroleum gas 50179 Megacoke/ton
Refinery dry gas 45998 Megacoke/ton
Natural gas 38.931 Megacoke/cubic meter
Coke oven gas 17.354 Megacoke/cubic meter
Producer gas 5.227 Megacoke/cubic meter
Heavy oil catalytic cracking gas 19.235 Megacoke/cubic meter
Heavy oil thermal cracking gas 35.544 Megacoke/cubic meter
Coke gas making 16.308 Megacoke/cubic meter
Pressure gasified gas 15.054 Megacoke/cubic meter
Water gas (es) 10.454 Megacoke/cubic meter
Coal tar 33453 Megacoke/ton
Carbon content per calorific value and carbon oxidation rate data are shown in tables 2-2 and tables 2-3.
TABLE 2-2 carbon content of fuel in China Cement industry
Fuel name Carbon content (tC/TJ)
Raw coal 26.37
Anthracite coal 27.49
General bituminous coal 26.18
Brown coal 27.97
Coal washing 25.41
Shaped coal 33.56
Coke 29.42
Crude oil 20.08
Fuel oil 21.10
Gasoline (gasoline) 18.90
Diesel oil 20.20
Kerosene oil 19.41
LPG 16.96
Refinery dry gas 18.20
Other petroleum products 20.00
Natural gas 15.32
Coke oven gas 13.58
Others 11.96
TABLE 2-3 oxidation rate of fuel combustion in China Cement industry
Fuel name Rate of oxidation
Coal (kiln) 98％
Coal (Industrial boiler) 95％
Coal (other combustion equipment) 91％
Coke 98％
Crude oil 99％
Fuel oil 99％
Gasoline (gasoline) 99％
Kerosene oil 99％
Diesel oil 99％
Liquefied petroleum gas 99.5％
Refinery dry gas 99.5％
Natural gas 99.5％
Coke oven gas 99.5％
Producer gas 99.5％
Heavy oil catalytic cracking gas 99.5％
Heavy oil thermal cracking gas 99.5％
Coke gas making 99.5％
Pressure gasified gas 99.5％
Water gas (es) 99.5％
Coal tar 99％
In some alternative implementations of some embodiments, the amount of carbon dioxide emissions produced by a cement manufacturing enterprise due to the combustion of alternative fuels or waste is determined according to the following formula:
Figure BDA0002260926700000101
wherein E isCombustion 2The emission of carbon dioxide generated by the combustion of non-biomass carbon in alternative fuels or wastes in the accounting and reporting period is measured in tons. QiThe unit is ton of the consumption of various alternative fuels or wastes. HV (high voltage) deviceiThe weighted average lower heating value of various alternative fuels or wastes is in unit of million kilojoules/ton. EFiThe carbon dioxide emission factor for burning various alternative fuels or wastes has the unit of ton/million kilojoules. Alpha is alphajIs the content of non-biomass carbon in various alternative fuels or wastes, and the unit is%. j represents the type of alternative fuel or waste.
As examples, the usage of various alternative fuels or wastes may be based on production log data of the enterprise during accounting and reporting periods, or on metering data of the alternative fuels or wastes as they are transported into the enterprise. Average low calorific value, carbon dioxide emission factor, content of non-biomass carbon of various alternative fuels or wastes, as shown in tables 2-4:
TABLE 2-4 carbon dioxide emission factor of partial alternative fuel in China Cement industry
Figure BDA0002260926700000102
In some alternative implementations of some embodiments, the emission of carbon dioxide from the decomposition of raw carbonates during the production process by a cement manufacturing enterprise is determined according to the following formula:
Figure BDA0002260926700000103
wherein E isProcess 1The unit is ton of carbon dioxide (carbon dioxide) emission generated by decomposing the raw material carbonate in the accounting and reporting period. QiThe unit is ton of cement clinker yield. QckdThe weight of dust at the exhaust funnel (kiln head) of the kiln is ton. QbqdThe weight of the dust discharged by the kiln bypass is ton. FR1The content of calcium oxide (CaO) in the clinker is expressed in percentage by weight. FR10The content of calcium oxide (CaO) in the clinker, which is not derived from the decomposition of carbonate, is expressed in%. FR2The content of magnesium oxide (MgO) in the clinker is expressed in percentage by weight. FR20The content of magnesium oxide (MgO) in the clinker, which is not derived from the decomposition of carbonate, is expressed in%.
Figure BDA0002260926700000111
Converted into molecular weight between carbon dioxide and calcium oxide.
Figure BDA0002260926700000112
Converted into molecular weight between carbon dioxide and magnesium oxide.
As an example, the carbon dioxide emission generated by decomposing the raw material carbonate comprises three parts: carbon dioxide emission corresponding to clinker; carbon dioxide emission corresponding to dust of a kiln exhaust funnel (kiln head); and carbon dioxide emission corresponding to the bypass air-bleeding dust. The cement clinker yield produced by cement enterprises adopts the production record data of the enterprises in accounting and reporting periods. The weight of dust of a kiln exhaust funnel (kiln head) and the weight of dust discharged by a kiln bypass can be obtained by adopting production records of enterprises according to a material balance method; enterprise measured data may also be employed. The contents of calcium oxide and magnesium oxide in the clinker and the contents of calcium oxide and magnesium oxide in the clinker, which are not derived from the decomposition of carbonate, adopt the data measured by enterprises.
In some alternative implementations of some embodiments, the amount of carbon dioxide emissions generated by the calcination of non-fuel carbon in raw meal during production by a cement manufacturing enterprise is determined according to the following formula:
Figure BDA0002260926700000113
wherein E isProcess 2And (4) accounting and reporting the emission of carbon dioxide generated by calcining the non-fuel carbon in the raw material in tons. The quantity of the Q raw materials is ton, and production record data of enterprises in accounting and reporting periods can be adopted. FR0The non-fuel carbon content of the raw material is expressed in units of percent; if the measurement data is lacked, 0.1-0.3% (dry basis) can be taken, and when the raw material adopts coal gangue, high carbon fly ash and other ingredients, the value is high, otherwise, the value is low.
Figure BDA0002260926700000114
And converting the amount of carbon dioxide and carbon.
In some optional implementations of some embodiments, the carbon dioxide emissions corresponding to the net purchase of electricity and heat by the cement manufacturing enterprise are determined according to the following formula:
Eelectric and thermal＝ADElectric power×EFElectric power+ADHeating power×EFHeating power。
Wherein E isElectric and thermalThe carbon dioxide emission of the production activities corresponding to the used electricity and heat is purchased. ADElectric powerThe net purchased electricity in the accounting and reporting period. ADHeating powerFor the calculation and reporting of the amount of heat net purchased during the period. EFElectric powerA carbon dioxide emission factor for electricity. EFHeating powerIs a thermal carbon dioxide emission factor.
As an example, net purchased electricity (heat) is purchased-used electricity (heat) for production of products other than cement-sold. The electric power emission factors can be divided according to the production location of an enterprise and the current power grids in the northeast, the north China, the east China, the northwest and the south, and corresponding regional power grid emission factors published by the national governing department in the last year are selected. The heating emission factor was measured temporarily at 0.11t carbon dioxide/GJ and kept updated according to official data issued by government authorities.
And 103, determining the carbon dioxide emission of the target enterprise based on the emission corresponding to each key emission source.
In some embodiments, the executive body may determine the greenhouse gas emission amount of the target enterprise based on the emission amount corresponding to each key emission source. As an example, the carbon dioxide emissions of the above cement manufacturing enterprise are determined according to the following formula:
Figure BDA0002260926700000121
or
Figure BDA0002260926700000122
Wherein the content of the first and second substances,
Figure BDA0002260926700000123
the total carbon dioxide emission of the enterprise is expressed in tons. EBurning ofWhich represents the carbon dioxide emissions produced by the fuel burning activity consumed by the enterprise in tons. ECombustion 1Which represents the carbon dioxide emissions produced by fossil fuel burning activities consumed by the enterprise in tons. ECombustion 2The carbon dioxide emission amount produced by burning alternative fuel or waste consumed by enterprises is expressed in tons. EProcedureThe carbon dioxide emission amount of an enterprise in the industrial production process is expressed in tons. EProcess 1The carbon dioxide emission amount produced by decomposing the raw material carbonate in the production process of an enterprise is expressed in ton. EProcess 2The emission of carbon dioxide generated by calcining the non-fuel carbon in the raw meal in the production process of the enterprise is expressed in tons. EElectric and thermalThe unit of the carbon dioxide emission amount corresponding to the electric power and the heat power which are purchased by enterprises is ton.
And 104, inputting the carbon dioxide emission of the target enterprise into a greenhouse gas monitoring terminal, and comparing the input carbon dioxide emission with a preset threshold value by the greenhouse gas monitoring terminal.
In some embodiments, the executing agent may input the greenhouse gas monitoring terminal based on the carbon dioxide emission amount of the target enterprise obtained in step 103. So that the greenhouse gas monitoring terminal compares the input carbon dioxide emission with a preset threshold. The threshold may be preset manually. Or may be the historical average emissions of the target enterprise.
And 105, if the carbon dioxide emission is greater than a preset threshold value, uploading the carbon dioxide emission and the position information of the target enterprise to a greenhouse gas monitoring platform, and releasing the received information by the greenhouse gas monitoring platform.
In some embodiments, based on the comparison result of step 104, if the amount of carbon dioxide emissions is greater than a preset threshold, the executing entity may upload the amount of carbon dioxide emissions and the location information of the target enterprise to a greenhouse gas monitoring platform. The location information of the target enterprise can be obtained in various ways according to needs. For example, a built-in location module may be employed to obtain location information for a target business. On the basis, the greenhouse gas monitoring platform can release the received information.
In some optional implementations of some embodiments, the method further comprises: storing the position information of each emission source in the greenhouse gas monitoring terminal, wherein the greenhouse gas monitoring terminal displays each emission source according to the position information so that the position relation displayed by the plurality of emission sources on the greenhouse gas monitoring terminal corresponds to the actual position relation; for each emission source, the greenhouse gas monitoring terminal sorts the emission amount of the greenhouse gas monitoring terminal to obtain an emission amount list of each emission source, and the emission amount list is displayed on the greenhouse gas monitoring terminal; the greenhouse gas monitoring terminal compares the emission of a plurality of emission sources with a preset emission threshold, if the emission is greater than the preset emission threshold, a connected warning system is triggered, and the warning system sends greenhouse gas emission standard exceeding warning information to the greenhouse gas monitoring terminal.
Some embodiments of the present disclosure disclose a device for accounting for carbon dioxide emissions of a cement manufacturing enterprise, which improves the accuracy of emissions by accounting for emissions corresponding to each key emission source by using a corresponding accounting method for each key emission source. The received information is published through the greenhouse gas monitoring platform, so that the real-time display and publication of the enterprise related information are realized.
With further reference to fig. 3, as an implementation of the above-described method for each of the above-described figures, the present disclosure provides some embodiments of an apparatus for accounting for carbon dioxide emissions from a cement manufacturing enterprise, which apparatus embodiments correspond to those of the method embodiments described above for fig. 1, and which apparatus may be particularly applicable to various electronic devices.
As shown in fig. 2, the accounting apparatus 200 for carbon dioxide emissions of a cement manufacturing plant of some embodiments includes:
in some embodiments, the first determining unit 201, the accounting unit 202, the second determining unit 203, the comparing unit 204, and the publishing unit 205. Wherein the first determination unit 201 is configured to determine a critical emission source of carbon dioxide, wherein the critical emission source comprises at least one of: combustion of fossil fuels, combustion of non-biomass carbon in alternative fuels and co-disposed waste, decomposition of material carbonates, calcination of non-fuel carbon in materials and electricity and heat for use in the purchase; the accounting unit 202 is configured to, for each key emission source, adopt a corresponding accounting method to account the emission amount corresponding to each key emission source; the second determining unit 203 is configured to determine the carbon dioxide emission amount of the target enterprise based on the emission amount corresponding to each key emission source; a comparison unit 204 configured to input the carbon dioxide emission amount of the target enterprise into a greenhouse gas monitoring terminal, which compares the input carbon dioxide emission amount with a preset threshold value; the publishing unit 205 is configured to upload the carbon dioxide emission amount and the location information of the target enterprise to a greenhouse gas monitoring platform if the input carbon dioxide emission amount is greater than a preset threshold, and the greenhouse gas monitoring platform publishes the received information.
In some embodiments, accounting for carbon dioxide emissions from cement manufacturing facilitiesThe second determining unit 203 in the apparatus 200 is further configured to include: determining the carbon dioxide emission of the cement manufacturing enterprises according to the following formula:
Figure BDA0002260926700000141
or
Figure BDA0002260926700000142
Wherein the content of the first and second substances,
Figure BDA0002260926700000143
representing the total carbon dioxide emission of the enterprise; eBurning ofRepresenting carbon dioxide emissions from fuel burning activities consumed by the enterprise; eCombustion 1Representing the carbon dioxide emissions produced by fossil fuel burning activities consumed by the enterprise; eCombustion 2Representing the carbon dioxide emission generated by the combustion of alternative fuels or wastes consumed by enterprises; eProcedureRepresenting the carbon dioxide emission generated by enterprises in the industrial production process; eProcess 1Representing the carbon dioxide emission generated by decomposing the raw material carbonate in the production process of an enterprise; eProcess 2Representing the emission of carbon dioxide generated by the calcination of non-fuel carbon in the raw meal in the production process of an enterprise; eElectric and thermalAnd the carbon dioxide emission corresponding to the electric power and the heat purchased by the enterprise is shown.
In some embodiments, the amount of carbon dioxide emissions produced by a cement manufacturing facility as a result of fossil fuel combustion activities is determined according to the following formula:
Figure BDA0002260926700000151
wherein E isCombustion 1Carbon dioxide emissions from the combustion of fossil fuels consumed during accounting and reporting periods; ADiActivity level for the ith fossil fuel consumed during accounting and reporting periods; EFiA carbon dioxide emission factor for an ith fossil fuel; i is the type of fossil fuel that is net consumed.
In some embodiments, the amount of carbon dioxide emissions produced by cement manufacturing enterprises as a result of the combustion of alternative fuels or waste is based onDetermined by the following formula:
Figure BDA0002260926700000152
wherein E isCombustion 2The carbon dioxide emissions generated by the combustion of the non-biomass carbon in the alternative fuel or waste in the accounting and reporting period; qiThe dosage of various alternative fuels or wastes; HV (high voltage) deviceiWeighted average lower heating value for various alternative fuels or wastes; EFiCarbon dioxide emission factors for combustion of various alternative fuels or wastes; alpha is alphajThe content of non-biomass carbon in various alternative fuels or wastes; j represents the type of alternative fuel or waste.
In some embodiments, the carbon dioxide emissions generated by the decomposition of the raw carbonate during the production process by the cement manufacturing enterprise are determined according to the following formula:
Figure BDA0002260926700000153
wherein E isProcess 1Carbon dioxide (carbon dioxide) emission generated by decomposing raw material carbonate in a accounting and reporting period; qiThe yield of the produced cement clinker; qckdThe weight of dust of a kiln exhaust funnel (kiln head); qbpdThe weight of dust discharged from a kiln bypass; FR1The content of calcium oxide (CaO) in the clinker; FR10The content of calcium oxide (CaO) which is not derived from the decomposition of carbonate in clinker; FR2The content of magnesium oxide (MgO) in clinker; FR20The content of magnesium oxide (MgO) which is not derived from the decomposition of carbonate in clinker;
Figure BDA0002260926700000161
converting the molecular weight between carbon dioxide and calcium oxide;
Figure BDA0002260926700000162
converted into molecular weight between carbon dioxide and magnesium oxide.
In some embodiments, the amount of carbon dioxide emissions generated by the calcination of non-fuel carbon in raw meal during production by a cement manufacturing facility is based onDetermined by the formula:
Figure BDA0002260926700000163
wherein E isProcess 2Accounting and reporting the emission of carbon dioxide generated by calcining the non-fuel carbon in the raw material in the period; the amount of green material Q; FR0Non-fuel carbon content in the raw meal;
Figure BDA0002260926700000164
and converting the amount of carbon dioxide and carbon.
In some embodiments, the carbon dioxide emissions corresponding to net power and heat purchased by a cement manufacturing enterprise are determined according to the following formula: eElectric and thermal＝ADElectric power×EFElectric power+ADHeating power×EFHeating powerWherein E isElectric and thermalCarbon dioxide emission amount of production activities corresponding to power and heat for pure purchase and use; ADElectric powerCalculating and reporting the net purchased electric quantity in the period; ADHeating powerFor the amount of heat net purchased during the accounting and reporting period; EFElectric powerA carbon dioxide emission factor that is electrical power; EFHeating powerIs a thermal carbon dioxide emission factor.
In some embodiments, the accounting apparatus 200 for carbon dioxide emissions from a cement manufacturing facility is further configured to include: storing the position information of each emission source in the greenhouse gas monitoring terminal, wherein the greenhouse gas monitoring terminal displays each emission source according to the position information so that the position relation displayed by the plurality of emission sources on the greenhouse gas monitoring terminal corresponds to the actual position relation; for each emission source, the greenhouse gas monitoring terminal sorts the emission amount of the greenhouse gas monitoring terminal to obtain an emission amount list of each emission source, and the emission amount list is displayed on the greenhouse gas monitoring terminal; the greenhouse gas monitoring terminal compares the emission of a plurality of emission sources with a preset emission threshold, if the emission is greater than the preset emission threshold, a connected warning system is triggered, and the warning system sends greenhouse gas emission standard exceeding warning information to the greenhouse gas monitoring terminal.
Some embodiments of the present disclosure disclose a device for accounting for carbon dioxide emissions of a cement manufacturing enterprise, which improves the accuracy of emissions by accounting for emissions corresponding to each key emission source by using a corresponding accounting method for each key emission source. The received information is published through the greenhouse gas monitoring platform, so that the real-time display and publication of the enterprise related information are realized.
Referring now to fig. 3, a schematic diagram of an electronic device (e.g., the terminal device of fig. 1) 300 suitable for use in implementing some embodiments of the present disclosure is shown. The terminal device in some embodiments of the present disclosure may include, but is not limited to, a mobile terminal such as a mobile phone, a notebook computer, a digital broadcast receiver, a PDA (personal digital assistant), a PAD (tablet computer), a PMP (portable multimedia player), a vehicle terminal (e.g., a car navigation terminal), and the like, and a fixed terminal such as a digital TV, a desktop computer, and the like. The terminal device shown in fig. 3 is only an example, and should not bring any limitation to the functions and the scope of use of the embodiments of the present disclosure.
As shown in fig. 3, the electronic device 300 may include a processing means (e.g., a central processing unit, a graphics processor, etc.) 301 that may perform various appropriate actions and processes in accordance with a program stored in a Read Only Memory (ROM)302 or a program loaded from a storage means 308 into a Random Access Memory (RAM) 303. In the RAM303, various programs and data necessary for the operation of the electronic apparatus 300 are also stored. The processing device 301, the ROM 302, and the RAM303 are connected to each other via a bus 304. An input/output (I/O) interface 305 is also connected to bus 304.
Generally, the following devices may be connected to the I/O interface 305: input devices 306 including, for example, a touch screen, touch pad, keyboard, mouse, camera, microphone, accelerometer, gyroscope, etc.; an output device 307 including, for example, a Liquid Crystal Display (LCD), a speaker, a vibrator, and the like; a storage device 308 including, for example, a memory card or the like; and a communication device 309. The communication means 309 may allow the electronic device 300 to communicate wirelessly or by wire with other devices to exchange data. While fig. 3 illustrates an electronic device 300 having various means, it is to be understood that not all illustrated means are required to be implemented or provided. More or fewer devices may alternatively be implemented or provided. Each block shown in fig. 3 may represent one device or may represent multiple devices, as desired.
Computer program code for carrying out operations for embodiments of the present disclosure may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, Smalltalk, C + +, and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer through any type of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or the connection may be made to an external computer (for example, through the Internet using an Internet service provider).
The flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present disclosure. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
The units described in some embodiments of the present disclosure may be implemented by software, and may also be implemented by hardware. The described units may also be provided in a processor, and may be described as: a processor includes a first determining unit, an accounting unit, a second determining unit, a comparing unit, and an issuing unit. Where the names of the units do not in some cases constitute a limitation of the unit itself, for example, the first determination unit may also be described as a "unit determining a critical emission source of greenhouse gases".
The functions described herein above may be performed, at least in part, by one or more hardware logic components. For example, without limitation, exemplary types of hardware logic components that may be used include: field Programmable Gate Arrays (FPGAs), Application Specific Integrated Circuits (ASICs), Application Specific Standard Products (ASSPs), systems on a chip (SOCs), Complex Programmable Logic Devices (CPLDs), and the like.
The foregoing description is only exemplary of the preferred embodiments of the disclosure and is illustrative of the principles of the technology employed. It will be appreciated by those skilled in the art that the scope of the invention in the embodiments of the present disclosure is not limited to the specific combination of the above-mentioned features, but also encompasses other embodiments in which any combination of the above-mentioned features or their equivalents is made without departing from the inventive concept as defined above. For example, the above features and (but not limited to) technical features with similar functions disclosed in the embodiments of the present disclosure are mutually replaced to form the technical solution.

Claims (10)

1. A method for accounting carbon dioxide emission of cement production enterprises comprises the following steps:
determining a key emission source for carbon dioxide, wherein the key emission source comprises at least one of: combustion of fossil fuels, combustion of non-biomass carbon in alternative fuels and co-disposed waste, decomposition of material carbonates, calcination of non-fuel carbon in materials and electricity and heat for use in the purchase;
aiming at each key emission source, adopting a corresponding accounting method to account the emission amount corresponding to each key emission source;
determining the carbon dioxide emission amount of a target enterprise based on the emission amount corresponding to each key emission source;
inputting the carbon dioxide emission of a target enterprise into a greenhouse gas monitoring terminal, and comparing the input carbon dioxide emission with a preset threshold value by the greenhouse gas monitoring terminal;
and if the input carbon dioxide emission is greater than a preset threshold value, uploading the carbon dioxide emission and the position information of the target enterprise to a greenhouse gas monitoring platform, and issuing the received information by the greenhouse gas monitoring platform.
2. The method of claim 1, wherein the determining carbon dioxide emissions of the target enterprise comprises:
determining the emission amount of carbon dioxide of the target enterprise according to the following formula:
Figure FDA0002260926690000011
or
Figure FDA0002260926690000012
Wherein the content of the first and second substances,
Figure FDA0002260926690000013
representing the total carbon dioxide emission of the enterprise;
Eburning ofRepresenting carbon dioxide emissions from fuel burning activities consumed by the enterprise;
Ecombustion 1Representing the carbon dioxide emissions produced by fossil fuel burning activities consumed by the enterprise;
Ecombustion 2Representing the carbon dioxide emission generated by the combustion of alternative fuels or wastes consumed by enterprises;
EProcedurerepresenting enterprises in industrial production processThe amount of carbon dioxide emissions generated;
Eprocess 1Representing the carbon dioxide emission generated by decomposing the raw material carbonate in the production process of an enterprise;
Eprocess 2Representing the emission of carbon dioxide generated by the calcination of non-fuel carbon in the raw meal in the production process of an enterprise;
Eelectric and thermalAnd the carbon dioxide emission corresponding to the electric power and the heat purchased by the enterprise is shown.
3. The method of claim 2, wherein the amount of carbon dioxide emissions produced by the cement manufacturing facility as a result of fossil fuel combustion activities is determined according to the following formula:
Figure FDA0002260926690000021
wherein E isCombustion 1Carbon dioxide emissions from the combustion of fossil fuels consumed during accounting and reporting periods;
ADiactivity level for the ith fossil fuel consumed during accounting and reporting periods;
EFia carbon dioxide emission factor for an ith fossil fuel;
i is the type of fossil fuel that is net consumed.
4. The method of claim 2, wherein the amount of carbon dioxide emissions produced by the cement manufacturing facility as a result of burning alternative fuels or waste is determined according to the following formula:
Figure FDA0002260926690000022
wherein E isCombustion 2The carbon dioxide emissions generated by the combustion of the non-biomass carbon in the alternative fuel or waste in the accounting and reporting period;
Qithe dosage of various alternative fuels or wastes;
HVifor various alternative fuels or wastesWeighted average lower heating value of (1);
EFicarbon dioxide emission factors for combustion of various alternative fuels or wastes;
αjthe content of non-biomass carbon in various alternative fuels or wastes;
j represents the type of alternative fuel or waste.
5. The method of claim 2, wherein the emission of carbon dioxide from the decomposition of raw carbonate during the production process by the cement manufacturing facility is determined according to the following formula:
Figure FDA0002260926690000031
wherein E isProcess 1Carbon dioxide (carbon dioxide) emission generated by decomposing raw material carbonate in a accounting and reporting period;
Qithe yield of the produced cement clinker;
Qckdthe weight of dust of a kiln exhaust funnel (kiln head);
Qbpdthe weight of dust discharged from a kiln bypass;
FR1the content of calcium oxide (CaO) in the clinker;
FR10the content of calcium oxide (CaO) which is not derived from the decomposition of carbonate in clinker;
FR2the content of magnesium oxide (MgO) in clinker;
FR20the content of magnesium oxide (MgO) which is not derived from the decomposition of carbonate in clinker;
Figure FDA0002260926690000032
converting the molecular weight between carbon dioxide and calcium oxide;
Figure FDA0002260926690000033
between carbon dioxide and magnesium oxideConversion of molecular weight of (a).
6. The method of claim 5, wherein the amount of carbon dioxide emissions produced by the cement manufacturing facility during the calcination of the non-fuel carbon in the raw meal is determined according to the following formula:
Figure FDA0002260926690000034
wherein E isProcess 2Accounting and reporting the emission of carbon dioxide generated by calcining the non-fuel carbon in the raw material in the period;
the amount of green material Q;
FR0non-fuel carbon content in the raw meal;
Figure FDA0002260926690000041
and converting the amount of carbon dioxide and carbon.
7. The method of claim 2, wherein the carbon dioxide emissions for the net purchase of electricity and heat by the cement manufacturing facility are determined according to the following equation:
Eelectric and thermal＝ADElectric power×EFElectric power+ADHeating power×EFHeating powerWherein E isElectric and thermalCarbon dioxide emission amount of production activities corresponding to power and heat for pure purchase and use;
ADelectric powerCalculating and reporting the net purchased electric quantity in the period;
ADheating powerFor the amount of heat net purchased during the accounting and reporting period;
EFelectric powerA carbon dioxide emission factor that is electrical power;
EFheating powerIs a thermal carbon dioxide emission factor.
8. The method according to one of claims 1 to 7, wherein the method further comprises:
storing the position information of each emission source to the greenhouse gas monitoring terminal, and displaying each emission source by the greenhouse gas monitoring terminal according to the position information so that the position relation displayed by the plurality of emission sources on the greenhouse gas monitoring terminal corresponds to the actual position relation;
for each emission source, the greenhouse gas monitoring terminal sorts the emission amount of the greenhouse gas monitoring terminal to obtain an emission amount list of each emission source, and the emission amount list is displayed on the greenhouse gas monitoring terminal;
the greenhouse gas monitoring terminal compares the emission of a plurality of emission sources with a preset emission threshold, if the emission is greater than the preset emission threshold, a connected warning system is triggered, and the warning system sends carbon dioxide emission standard exceeding warning information to the greenhouse gas monitoring terminal.
9. An accounting device for carbon dioxide emission of a cement manufacturing enterprise, comprising:
a first determination unit configured to determine a critical emission source of carbon dioxide, wherein the critical emission source comprises at least one of: combustion of fossil fuels, combustion of non-biomass carbon in alternative fuels and co-disposed waste, decomposition of material carbonates, calcination of non-fuel carbon in materials and electricity and heat for use in the purchase;
the accounting unit is configured to account the emission amount corresponding to each key emission source by adopting a corresponding accounting method aiming at each key emission source;
the second determining unit is configured to determine the carbon dioxide emission amount of the target enterprise based on the emission amount corresponding to each key emission source;
a comparison unit configured to input a carbon dioxide emission amount of a target enterprise into a greenhouse gas monitoring terminal, the greenhouse gas monitoring terminal comparing the input carbon dioxide emission amount with a preset threshold;
the release unit is configured to upload the carbon dioxide emission and the position information of the target enterprise to a greenhouse gas monitoring platform if the input carbon dioxide emission is larger than a preset threshold, and the greenhouse gas monitoring platform releases the received information.
10. An electronic device, comprising:
one or more processors;
a storage device having one or more programs stored thereon;
when executed by the one or more processors, cause the one or more processors to implement the method of any one of claims 1-8.
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CN113516371A (en) * 2021-06-16 2021-10-19 杭州慧源智谷科技有限责任公司 Method for measuring and calculating full-aperture carbon emission intensity and carbon source structure
CN114140294A (en) * 2021-11-26 2022-03-04 碳阻迹（北京）科技有限公司 Service method and system for real-time analysis and display of enterprise carbon emission information
CN114166998A (en) * 2021-11-30 2022-03-11 国网江苏省电力有限公司南京供电分公司 Carbon emission metering method and system for cement production enterprise
CN114384203A (en) * 2021-12-03 2022-04-22 国网青海省电力公司 Online monitoring method and device for carbon emission of iron and steel enterprise
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113516371A (en) * 2021-06-16 2021-10-19 杭州慧源智谷科技有限责任公司 Method for measuring and calculating full-aperture carbon emission intensity and carbon source structure
CN114140294A (en) * 2021-11-26 2022-03-04 碳阻迹（北京）科技有限公司 Service method and system for real-time analysis and display of enterprise carbon emission information
CN114140294B (en) * 2021-11-26 2022-07-12 碳阻迹（北京）科技有限公司 Service method and system for real-time analysis and display of enterprise carbon emission information
CN114166998A (en) * 2021-11-30 2022-03-11 国网江苏省电力有限公司南京供电分公司 Carbon emission metering method and system for cement production enterprise
CN114384203A (en) * 2021-12-03 2022-04-22 国网青海省电力公司 Online monitoring method and device for carbon emission of iron and steel enterprise
CN114384203B (en) * 2021-12-03 2023-10-20 国网青海省电力公司 Online monitoring method and device for carbon emission of iron and steel enterprises
WO2023115310A1 (en) * 2021-12-21 2023-06-29 北京航空航天大学苏州创新研究院 System and method for calculating carbon emissions in crude steel production
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