LU503892B1 - Online carbon emission monitoring system and method for thermal power units - Google Patents
Online carbon emission monitoring system and method for thermal power units Download PDFInfo
- Publication number
- LU503892B1 LU503892B1 LU503892A LU503892A LU503892B1 LU 503892 B1 LU503892 B1 LU 503892B1 LU 503892 A LU503892 A LU 503892A LU 503892 A LU503892 A LU 503892A LU 503892 B1 LU503892 B1 LU 503892B1
- Authority
- LU
- Luxembourg
- Prior art keywords
- thermal power
- carbon
- coal combustion
- preset
- emissions
- Prior art date
Links
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 145
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 139
- 238000012544 monitoring process Methods 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000003245 coal Substances 0.000 claims abstract description 175
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 158
- 238000002485 combustion reaction Methods 0.000 claims abstract description 142
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 79
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 73
- 238000004364 calculation method Methods 0.000 claims abstract description 46
- 238000012545 processing Methods 0.000 claims abstract description 19
- 238000006477 desulfuration reaction Methods 0.000 claims description 32
- 230000023556 desulfurization Effects 0.000 claims description 32
- 230000003647 oxidation Effects 0.000 claims description 20
- 238000007254 oxidation reaction Methods 0.000 claims description 20
- 238000004140 cleaning Methods 0.000 claims description 15
- 238000007781 pre-processing Methods 0.000 claims description 15
- 238000013075 data extraction Methods 0.000 claims description 10
- 239000010881 fly ash Substances 0.000 claims description 9
- 239000002893 slag Substances 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 238000005265 energy consumption Methods 0.000 claims description 8
- 239000011159 matrix material Substances 0.000 claims description 8
- 238000010248 power generation Methods 0.000 claims description 8
- 239000000126 substance Substances 0.000 claims description 8
- 150000001721 carbon Chemical class 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 4
- 239000000428 dust Substances 0.000 claims description 3
- 239000005431 greenhouse gas Substances 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 241000282414 Homo sapiens Species 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229940096055 prax Drugs 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
- G01N33/004—CO or CO2
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0062—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method or the display, e.g. intermittent measurement or digital display
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/80—Management or planning
- Y02P90/84—Greenhouse gas [GHG] management systems
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Physics & Mathematics (AREA)
- Combustion & Propulsion (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Treating Waste Gases (AREA)
- Regulation And Control Of Combustion (AREA)
Abstract
The present invention relates to the technical field of carbon emission monitoring, and discloses a system and method for online monitoring of thermal power units carbon emissions,including:data acquisition module, data processing module, first calculation module, second calculation module and coal combustion adjustment module.The first calculation module is used to calculate the pre-processed data, the second calculation module is used to comprehensively calculate the total amount of carbon dioxide emissions of thermal power units in a preset period, and coal combustion adjustment module is used to adjust the coal combustion amount of thermal power units. This present invention not only can monitor the carbon emission of thermal power units but also can calculate the total amount of carbon dioxide emissions accurately.
Description
Online carbon emission monitoring system and method for thermal -Y°0%892 power units
The present invention relates to the technical field of carbon emission monitoring, and discloses a system and method for online monitoring of thermal power units carbon emissions.
Background technology
With the rapid development of economy, greenhouse gases caused by production activities have threatened the normal life of human beings, among them, the largest rate comes from the carbon dioxide emissions, which has affected the balanced development of ecology such as the melting glaciers, warming climate, late spring, late autumn, warmer winters and so on. Thermal power plants are one of the main sources of carbon dioxide emissions, so it is of great significance to achieve carbon emission reduction in thermal power plants for reducing total carbon emissions and greenhouse gas emissions.
At present, we get the total carbon dioxide emission of each thermal power plants through calculating the flue gas discharge, flue gas velocity, pressure, temperature and humidity and other parameters. These traditional calculation methods of carbon emissions is affected by the measurement error of data, calculation error, unit operating parameter error and other factors. For thermal power units, the calculated data has a large deviation and the total carbon emissions can’t be accurately obtained Therefore, the traditional calculation method has many shortcomings suring the calculation process including human interference, many errors and high cost. It can not provide reliable data support for energy conservation, emission reduction and greenhouse gas reduction.
Therefore, how to provide a kind of effective system and method for online monitoring of thermal power units carbon emissions is a technical problem to solve at the moment.
The embodiment of the invention provides a system and method for online monitoring of thermal power units carbon emission to solve the technical problem that the total carbon emission of thermal power units cannot be effectively monitored in the prior technology.
To realize the above purpose, the invention provides a system and method for online monitoring of thermal power units carbon emission, which includes:
Data acquisition module for obtaining data parameters of the thermal power unit in a preset period,
Data processing module for pre-processing the data parameters, the pre-processing includes data cleaning and data extraction; LUS03892
The first calculation module is used to calculate the pre-processed data and get the mentioned carbon emissions from coal combustion, desulfurization and denitrification of thermal power units;
The second calculation module is used to comprehensively calculate the total amount of carbon dioxide emissions of thermal power units in a preset period based on above mentioned carbon emissions from coal combustion,desulfurization and denitrification;
Coal combustion adjustment module is used to adjust the coal combustion amount of thermal power units based on above mentioned total amount of carbon dioxide emissions.
In one embodiment, the data processing module is specifically used for:
In the data processing module, the data cleaning including deleting invalid data,duplicate data and wrong data in the data parameters;
In the data processing module, the data extraction includes classifying the data parameters after cleaning according to the data category and data source.
In one embodiment the first calculation module calculate the carbon oxidation rate according to the pre-processed data and then calculate the coal combustion amount according to the carbon oxidation rate;
The first calculation module mentioned above calculate the carbon oxidation rate of thermal power units according to the following formula:
Ds ie Ext rixHia
IxGxK
Where, D is the carbon oxidation rate of thermal power units; E is the slag content of thermal power unit; F is the average carbon content of furnace slag, J is the fly ash yield of thermal power unit;H is the average carbon content of fly ash; ais the average dust removal efficiency of thermal power unit;I is the consumption of coal;G is the average low calorific value of coal:K is the carbon content of unit calorific value of coal;
The first calculation module calculates the coal combustion carbon emission of the thermal power unit according to the following formula: fi=Hx À. x Mega x £3 100 M.
Where, P1 is the carbon emission from coal combustion;W is the amount of coal combustion; A is the carbon content from coal combustion;MCO2 is the molar mass of carbon dioxide;MC is the molar mass of carbon and D is the carbon oxidation rate of thermal power units. LU503892
In one embodiment, in the first calculation module, the desulfurized carbon emission of the thermal power unit is calculated according to the following formula:
Prax Nx Mees + Ox Rx S
Where, P2 is the desulfurization carbon emissions; L is the consumption of desulfurizer; N is the amount of substances involved in the reaction of desulfurizer;MCO?2 is the molar mass of carbon dioxide;M] is the molar mass of substances involved in the reaction of desulfurizer;Q is the power generation of thermal power units, R is the proportion of desulfurization energy consumption and S is the carbon dioxide generated per unit of electricity.
In one embodiment, in the first calculation module, the denitrification carbon emission of the thermal power unit is calculated according to the following formula:
Pi=0x¥Vx¥
Where, P3 is the emission of denitrification carbon; Q is the power generation;V is the ratio of denitrification energy consumption and Y is the carbon dioxide produced per unit of power.
In one of the embodiments, in the second computing module, the total carbon dioxide emission of the thermal power unit during a preset period is calculated according to the following formula:
P=P1 + P2 + P3
Where, P is the total carbon dioxide emission within a preset time; P1 is the carbon emission of the coal combustion; P2 1s the carbon emission of the desulfurization and P3 1s the carbon emission of the denitrification.
In one embodiment, the coal combustion adjustment module determines whether the coal combustion of the thermal power unit needs to be adjusted according to the relationship between the total carbon dioxide emission and the preset total carbon dioxide emission. If the total carbon dioxide emission 1s greater than the preset total carbon dioxide emission, it will determines to adjust it. On the contrary, it will determines there is no need to adjust.
In one embodiment, when the coal combustion adjustment module determines that the coal combustion needs to be adjusted, it will be set according to the total emission difference A-a between the total CO2 emission amount A and the preset total CO2 emission amount a.
In one embodiment, the coal combustion adjustment module is specifically used for:
The coal combustion adjustment module is used to preset the total emission difference matrix B(B1,B2,B3,B4), where B1 is the first preset total emission difference;B2 is the secottd/503892 preset total emission difference; B3 is the third preset total emission difference; B4 is the fourth preset total emission difference and B1 <B2 <B3 <B4;
The coal combustion adjustment module is used to preset the coal combustion matrix
C(C1,C2,C3,C4,C5), where C1 is the first preset coal combustion amount; C2 is the second preset coal combustion amount; C3 is the third preset coal combustion amount ; C4 is the fourth preset coal combustion amount; CS is the fifth preset coal combustion amount and C1 < C2 < C3 < C4 <CS;
The coal combustion adjustment module is also used to set the coal combustion amount according to the relationship between the total emission difference A-a and each preset total emission difference:
When A-a < B1, the first preset coal combustion C1 is selected as the coal amount of the thermal power unit;
When B1<A-a < B2, the second preset coal combustion C2 is selected as the coal amount of the thermal power unit;
When B2<A-a < B3, the third preset coal combustion C3 is selected as the coal amount of the thermal power unit;
When B3<A-a < B4, the fourth preset coal combustion C4 is selected as the coal amount of the thermal power unit;
When B4<A-a, the fifth preset coal combustion C5 is selected as the coal amount of the thermal power unit.
To realize the above purpose, the invention provides a system and method for online monitoring of thermal power units carbon emission, which includes:
Obtaining data parameters of the thermal power unit in a preset period,
Pre-processing the data parameters, the pre-processing includes data cleaning and data extraction;
Calculating the pre-processed data and get the mentioned carbon emissions from coal combustion, desulfurization and denitrification of thermal power units;
Comprehensively calculate the total amount of carbon dioxide emissions of thermal power units in a preset period based on above mentioned carbon emissions from coal combustion,desulfurization and denitrification;
Adjusting the coal combustion amount of thermal power units based on above mentioned total amount of carbon dioxide emissions.
The invention provides a system and method for online monitoring of thermal power units carbon emission,which has the following beneficial effects compared with the prib}/503892 technology the invention discloses a system and method for online monitoring of thermal power units carbon emission, including: data acquisition module, data processing module, first calculation module, second calculation module and coal combustion adjustment module Data 5 acquisition module is used to obtain data parameters of thermal power units within preset time;data processing module is used to preprocess data parameters, and the first calculation module is used to calculate data parameters after preprocessing to get carbon emissions from coal combustion, desulfurization and denitrification;the second calculation module is used to comprehensively calculate the total carbon dioxide emissions of thermal power units within a preset time, and the coal combustion adjustment module is used to regulate the amount of coal combustion of thermal power units. The invention can monitor the carbon emission of the thermal unit and calculate the total carbon emission accurately. It has the advantages of accuracy and real-time performance, and can provide reliable data support for reducing the total carbon emission, reducing greenhouse gases and economic compensation of the thermal power plant.
Description of attached figures
Fig 1 shows a schematic diagram of a system and method for online monitoring of thermal power units carbon emission in an embodiment of the invention.
Fig 2 shows a flow diagram of a system and method for online monitoring of thermal power units carbon emission in an embodiment of the invention.
Specific embodiments
The following combined with the attached drawings and embodiments, the specific embodiments of the invention are further described in detail. The following embodiments are used to illustrate the invention without necessarily limiting the scope of the invention.
In the description of this application, it is important to understand that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc. indicate a bearing or position relationship based on the bearing or position relationship shown in the attached drawings only for the purpose of facilitating the description of this application and simplifying the description. Rather than indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation and therefore cannot be construed as a limitation of this application.
The terms "first" and "second" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or as implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of these features. In the description of this application, "multiple"
means two or more unless otherwise stated. LUS03892
In the description of this application, it is important to note that, unless otherwise expressly specified and qualified, the terms "installation", "connection" and "connection" shall be understood broadly, for example, they may be fixed connections, detachable connections or integrated connections, Can be mechanical connection, can also be electrical connection; It can be directly connected, it can be indirectly connected through an intermediary, it can be connected within two components. For ordinary technical personnel in this field, the specific meaning of the above terms in this application can be understood on a case-by-case basis.
The following is an illustration of the preferred embodiment of the invention combined with the attached drawings.
As shown in Figure 1, an embodiment of the invention discloses a system and method for online monitoring of thermal power units carbon emission. The system includes:
Data acquisition module for obtaining data parameters of the thermal power unit in a preset period.
Data processing module for pre-processing the data parameters, the pre-processing includes data cleaning and data extraction;
The first calculation module is used to calculate the pre-processed data and get the mentioned carbon emissions from coal combustion, desulfurization and denitrification of thermal power units.
The second calculation module is used to comprehensively calculate the total amount of carbon dioxide emissions of thermal power units in a preset period based on above mentioned carbon emissions from coal combustion,desulfurization and denitrification, Coal combustion adjustment module is used to adjust the coal combustion amount of thermal power units based on above mentioned total amount of carbon dioxide emissions.
This implementation case includes: data acquisition module, data processing module, first calculation module, second calculation module and coal combustion adjustment module Data acquisition module is used to obtain data parameters of thermal power units within preset time;data processing module is used to preprocess data parameters, and the first calculation module is used to calculate data parameters after preprocessing to get carbon emissions from coal combustion, desulfurization and denitrification;the second calculation module is used to comprehensively calculate the total carbon dioxide emissions of thermal power units within a preset time, and the coal combustion adjustment module is used to regulate the amount of coal combustion of thermal power units. The invention can monitor the carbon emission of the thermal unit and calculate the total carbon emission accurately. It has the advantages of accuracy and real-time performance, and can provide reliable data support for reducing the total carbd/503892 emission, reducing greenhouse gases and economic compensation of the thermal power plant.
It should be noted that the preset time in the invention can be selected according to the actual situation, such as within 6 months or 1 year. The specific preset time is not specified here.
The data parameters of the thermal power unit include the amount of slag of the thermal power unit, the average carbon content of slag, the yield of fly ash of the thermal power unit, the average carbon content of fly ash, etc.
In some embodiments of this application, the data processing module is specifically used to:
In the data processing module, the data cleaning includes deleting invalid data, duplicate data and wrong data in the data parameters;
In the data processing module, the data extraction includes classifying the data parameters after cleaning according to the data category and data source.
In this embodiment, data cleaning can include deleting invalid data, duplicate data, and wrong data from data parameters. Invalid data includes data that lacks key information and cannot be distinguished, data that cannot be parsed, duplicate data includes the same duplicate data collected at the same time, and erroneous data includes incomplete data or data that clearly does not conform to rules. The data are sorted after cleaning, and the data can be cleaned and extracted to provide reliable data support for the calculation of carbon emissions of coal combustion,carbon emissions of desulfurization and denitrification, and improve the accuracy of calculation.
In some embodiments of this application, the first calculation module mentioned above calculate the carbon oxidation rate according to the pre-processed data and then calculate the coal combustion amount according to the carbon oxidation rate;
The first calculation module mentioned above calculate the carbon oxidation rate of thermal power units according to the following formula:
Ix Gui
Where, D is the carbon oxidation rate of thermal power units; E is the slag content of thermal power unit; F is the average carbon content of furnace slag, J is the fly ash yield of thermal power unit;H is the average carbon content of fly ash; ais the average dust removal efficiency of thermal power unit;I is the consumption of coal;G is the average low calorific value of coal;K is the carbon content of unit calorific value of coal;
The first calculation module calculates the coal combustion carbon emission of the thermkH503892 power unit according to the following formula: 100 M.
Where, P1 is the carbon emission from coal combustion;W is the amount of coal combustion; A is the carbon content from coal combustion;MCO2 is the molar mass of carbon dioxide;MC is the molar mass of carbon and D is the carbon oxidation rate of thermal power units.
In this embodiment, in the process of coal combustion, because the carbon elements in coal combustion cannot be completely burned, part of the carbon elements are converted into fly ash, fly slag, etc., and part is converted into carbon monoxide, methane, etc, these elements will also produce carbon emissions during combustion. Therefore, the present invention firstly calculates the carbon oxidation rate of the thermal power unit. Then calculated the carbon emissions of coal combustion according to the carbon oxidation rate,which can realize accurate monitoring of carbon emissions of thermal power units.
In one embodiment, in the first calculation module, the desulfurized carbon emission of the thermal power unit is calculated according to the following formula:
Pam x A Meo +OxRxS
À
Where,P2 is the desulfurization carbon emissions; L is the consumption of desulfurizer; N is the amount of substances involved in the reaction of desulfurizer, MCO2 is the molar mass of carbon dioxide;M] is the molar mass of substances involved in the reaction of desulfurizer;Q is the power generation of thermal power units, R is the proportion of desulfurization energy consumption and S is the carbon dioxide generated per unit of electricity.
In this embodiment, the thermal power unit will also produce carbon dioxide in the process of desulfurization, so this invention calculates the carbon dioxide emission in the process of disulfurization.The desulfurization agent in the invention can be limestone, magnesium oxide, etc, which is not specified herein and can be selected according to the actual situation.
In one embodiment, in the first calculation module, the denitrification carbon emission of the thermal power unit is calculated according to the following formula:
P3i=OxFXxY
Where, P3 is the emission of denitrification carbon; Q is the power generation; V is the ratio of denitrification energy consumption and Y is the carbon dioxide produced per unit of power. LU503892
In this embodiment, the thermal power unit will also produce carbon dioxide in the denitration process, so the invention calculates the carbon dioxide emission in the denitration process.
In one of the embodiments, in the second computing module, the total carbon dioxide emission of the thermal power unit during a preset period is calculated according to the following formula:
P=P1 + P2 + P3
Where, P is the total carbon dioxide emission within a preset time; P1 is the carbon emission of the coal combustion; P2 1s the carbon emission of the desulfurization and P3 1s the carbon emission of the denitrification.
In this embodiment, the invention comprehensively calculates the total carbon dioxide emission of the thermal power unit within a preset time by the carbon emission of the coal combustion, the desulfurization carbon emission and the denitrification carbon emission,which can realize the accurate calculation of the total carbon emission and has the advantages of accuracy and real-time performance. It can provide reliable data support for reducing total carbon emissions, reducing greenhouse gases and economic compensation of thermal power plants.
In one embodiment, the coal combustion adjustment module determines whether the coal combustion of the thermal power unit needs to be adjusted according to the relationship between the total carbon dioxide emission and the preset total carbon dioxide emission. If the total carbon dioxide emission 1s greater than the preset total carbon dioxide emission, it will determines to adjust it. On the contrary, it will determines there is no need to adjust.
In one embodiment, when the coal combustion adjustment module determines that the coal combustion needs to be adjusted, it will be set according to the total emission difference A-a between the total CO2 emission amount A and the preset total CO2 emission amount a.
In this embodiment, it is also necessary to determine whether the amount of coal combustion needs to be adjusted according to the relationship between the total amount of carbon dioxide emissions and the preset total amount of carbon dioxide emissions. When the total amount of carbon dioxide emissions is greater than the preset total amount of carbon dioxide emissions, it indicates that the carbon dioxide emissions of thermal power units do not meet the requirements at this time, and the amount of coal combustion needs to be adjusted. In order to prevent the occurrence of excessive carbon emissions pollution of the atmosphere.
In one embodiment, the coal combustion adjustment module is specifically used for:
The coal combustion adjustment module is used to preset the total emission differené&/503892 matrix B(B1,B2,B3,B4), where B1 is the first preset total emission difference;B2 is the second preset total emission difference; B3 is the third preset total emission difference; B4 is the fourth preset total emission difference and B1 <B2 <B3 <B4;
The coal combustion adjustment module is used to preset the coal combustion matrix
C(C1,C2,C3,C4,C5), where C1 is the first preset coal combustion amount; C2 is the second preset coal combustion amount; C3 is the third preset coal combustion amount ; C4 is the fourth preset coal combustion amount; CS is the fifth preset coal combustion amount and C1 < C2 < C3 <C4<CS;
The coal combustion adjustment module is also used to set the coal combustion amount according to the relationship between the total emission difference A-a and each preset total emission difference:
When A-a < B1, the first preset coal combustion C1 is selected as the coal amount of the thermal power unit;
When B1<A-a < B2, the second preset coal combustion C2 is selected as the coal amount of the thermal power unit;
When B2<A-a < B3, the third preset coal combustion C3 is selected as the coal amount of the thermal power unit;
When B3<A-a < B4, the fourth preset coal combustion C4 is selected as the coal amount of the thermal power unit;
When B4<A-a, the fifth preset coal combustion CS is selected as the coal amount of the thermal power unit.
In this embodiment, the coal combustion adjustment module of the invention is also used to set the coal combustion amount of the thermal power unit according to the relationship between the total emission difference A-a and each preset total emission difference. By setting the coal combustion amount of the thermal power unit, the precise control of carbon dioxide emissions can be realized.
As shown in Figure 2, an embodiment of the invention discloses an online monitoring method for carbon emissions of a thermal power unit, which includes:
S101 Obtaining data parameters of the thermal power unit in a preset period.
S102 Pre-processing the data parameters, the pre-processing includes data cleaning and data extraction;
S103 Calculating the pre-processed data and get the mentioned carbon emissions from coal combustion, desulfurization and denitrification of thermal power units.
$104 Comprehensively calculate the total amount of carbon dioxide emissions of thermk}503892 power units in a preset period based on above mentioned carbon emissions from coal combustion,desulfurization and denitrification,
S105 Adjusting the coal combustion amount of thermal power units based on above mentioned total amount of carbon dioxide emissions.
In some embodiments of this application, in S102 data cleansing includes removal of invalid data, duplicate data and erroneous data in said data parameters;
The data extraction includes sorting the data parameters after cleaning according to the data category and data source.
In some embodiments of this application, in S103, the carbon oxidation rate of the thermal power unit is calculated according to the pretreated data parameters, and the carbon emissions of the coal combustion is calculated according to the carbon oxidation rate;
The first calculation module calculates the coal combustion carbon emission of the thermal power unit according to the following formula: 180 ML
Where, P1 is the carbon emission from coal combustion;W is the amount of coal combustion; A is the carbon content from coal combustion;MCO2 is the molar mass of carbon dioxide;MC is the molar mass of carbon and D is the carbon oxidation rate of thermal power units.
In one embodiment, in S103, the desulfurized carbon emission of the thermal power unit is calculated according to the following formula:
Pr=LxNx Her OxRxS
Mi 0
Where,P2 is the desulfurization carbon emissions; L is the consumption of desulfurizer; N is the amount of substances involved in the reaction of desulfurizer;MCO?2 is the molar mass of carbon dioxide; Mj is the molar mass of substances involved in the reaction of desulfurizer;Q is the power generation of thermal power units, R is the proportion of desulfurization energy consumption and S is the carbon dioxide generated per unit of electricity.
In one embodiment, in S103, the denitrification carbon emission of the thermal power unit is calculated according to the following formula:
P3=QxVxY
Where, P3 is the emission of denitrification carbon; Q is the power generation; V is the ratio of denitrification energy consumption and Y is the carbon dioxide produced per unit #503892 power.
In one of the embodiments, in S104, the total carbon dioxide emission of the thermal power unit during a preset period is calculated according to the following formula:
P=P1 + P2 + P3
Where, P is the total carbon dioxide emission within a preset time; P1 is the carbon emission of the coal combustion; P2 1s the carbon emission of the desulfurization and P3 1s the carbon emission of the denitrification.
In one embodiment, S105 determines whether the coal combustion of the thermal power unit needs to be adjusted according to the relationship between the total carbon dioxide emission and the preset total carbon dioxide emission. If the total carbon dioxide emission is greater than the preset total carbon dioxide emission, it will determines to adjust it. On the contrary, it will determines there is no need to adjust.
In one embodiment, when S105 determines that the coal combustion needs to be adjusted, it will be set according to the total emission difference A-a between the total CO2 emission amount A and the preset total CO2 emission amount a.
In one embodiment, S105 is used to preset the total emission difference matrix
B(B1,B2,B3,B4), where B1 is the first preset total emission difference;B2 is the second preset total emission difference; B3 is the third preset total emission difference; B4 is the fourth preset total emission difference and B1 < B2 < B3 <B4;
Presetting the coal combustion matrix C(C1,C2,C3,C4,C5), where C1 is the first preset coal combustion amount; C2 is the second preset coal combustion amount; C3 is the third preset coal combustion amount ; C4 is the fourth preset coal combustion amount; CS is the fifth preset coal combustion amount and C1 < C2 < C3 < C4< CS;
Setting the coal combustion amount according to the relationship between the total emission difference A-a and each preset total emission difference:
When A-a < B1, the first preset coal combustion C1 is selected as the coal amount of the thermal power unit;
When B1<A-a < B2, the second preset coal combustion C2 is selected as the coal amount of the thermal power unit;
When B2<A-a < B3, the third preset coal combustion C3 is selected as the coal amount of the thermal power unit;
When B3<A-a < B4, the fourth preset coal combustion C4 is selected as the coal amount of the thermal power unit;
When B4<A-a, the fifth preset coal combustion C5 is selected as the coal amount of thé/503892 thermal power unit.
Summing up the above, this implementation case includes: data acquisition module, data processing module, first calculation module, second calculation module and coal combustion adjustment module Data acquisition module is used to obtain data parameters of thermal power units within preset time;data processing module is used to preprocess data parameters, and the first calculation module is used to calculate data parameters after preprocessing to get carbon emissions from coal combustion, desulfurization and denitrification;the second calculation module is used to comprehensively calculate the total carbon dioxide emissions of thermal power units within a preset time, and the coal combustion adjustment module is used to regulate the amount of coal combustion of thermal power units. The invention can monitor the carbon emission of the thermal unit and calculate the total carbon emission accurately. It has the advantages of accuracy and real-time performance, and can provide reliable data support for reducing the total carbon emission, reducing greenhouse gases and economic compensation of the thermal power plant.
In the above description of embodiments, specific features, structures, materials or characteristics may be combined in any one or more embodiments.
Although the invention has been described above with reference to embodiments, various improvements may be made to it and the parts may be replaced with equivalents without leaving the scope of the invention. In particular, as long as there is no structural conflict, the features of the embodiments disclosed by the invention may be combined with each other in any way, and the failure to fully describe these combinations in this specification is merely for the sake of space omission and resource conservation. Therefore, the invention is not limited to specific embodiments disclosed herein, but includes all technical schemes falling within the scope of the claim.
Ordinary technicians in the field can understand that the above are only preferred embodiments of the invention and are not used to limit the invention. Although the invention is described in detail by referring to the aforementioned embodiments, technicians in the field can still modify the technical scheme recorded in the aforementioned embodiments or make equivalent replacement of some of the technical features. Any modification, equivalent substitution, improvement, etc. made within the spirit and principles of the invention shall be included in the scope of protection of the invention.
Claims (10)
1. The utility model relates to an online monitoring system for carbon emissions of thermal power units, which is characterized in that the system includes: Data acquisition module for obtaining data parameters of the thermal power unit in a preset period; Data processing module for pre-processing the data parameters, the pre-processing includes data cleaning and data extraction; The first calculation module is used to calculate the pre-processed data and get the mentioned carbon emissions from coal combustion, desulfurization and denitrification of thermal power units; The second calculation module is used to comprehensively calculate the total amount of carbon dioxide emissions of thermal power units in a preset period based on above mentioned carbon emissions from coal combustion, desulfurization and denitrification, Coal combustion adjustment module is used to adjust the coal combustion amount of thermal power units based on above mentioned total amount of carbon dioxide emissions.
2. According to the online monitoring system for carbon emissions of thermal power units mentioned in Claim 1, its characteristics lie in that the data processing module mentioned above is specifically used for: In the data processing module, the data cleaning includes deleting invalid data, duplicate data and wrong data in the data parameters; In the data processing module, the data extraction includes classifying the data parameters after cleaning according to the data category and data source.
3. According to the online monitoring system for carbon emissions of thermal power units mentioned in Claim 1, its characteristics lie in that the first calculation module mentioned above calculate the carbon oxidation rate of thermal power unit based on pre-processed data and calculate the coal combustion carbon emissions based on carbon oxidation rate, The first calculation module calculates the carbon oxidation rate of the thermal power unit according to the following formula:
pe +: LU503892 IxGx£ Where, D is the carbon oxidation rate , E is the slag content , F is the average carbon content of the slag,J is the fly ash output of, H is the average carbon content of the fly ash, a is the average dust removal efficiency, I is the consumption of coal, G is the average low calorific value of coal, and K is the carbon content of the unit calorific value of coal; The first calculation module calculates the coal combustion carbon emission of the thermal power unit according to the following formula; Prof x. er 100 M, Where, P1 is the coal combustion carbon emissions, W is the amount of coal combustion, A is the carbon content from coal combustion,Mcoz is the molar mass of carbon dioxide, Mc is the molar mass of carbon, and D is the carbon oxidation rate.
4. According to the online monitoring system for carbon emissions of thermal power units mentioned in Claim 3, its characteristics lie in that the first calculation module mentioned above calculate the desulfurization carbon emissions of thermal power units according to the following formula: BEA EN aE + INR Me 7 Where, P2 1s the desulfurization carbon emissions, L is the consumption of desulfurizer, N is the amount of substances involved in the reaction of desulfurizer, Mcoz is the molar mass of carbon dioxide, M; is the molar mass of substances involved in the reaction of desulfurizer, Q is the power generation of thermal power units, R is the proportion of desulfurization energy consumption, and S is the carbon dioxide generated per unit of electricity.
5. According to the online monitoring system for carbon emissions of thermal power units mentioned in Claim 4, its characteristics lie in that the first calculation module mentioned above calculate the carbon emissions from denitrification according to the following formula: Pi=0x¥Vx¥ Where, P3 is the emission of denitrification carbon,Q is the power generation of thermal power unit,V is the ratio of denitrification energy consumption, and Y is the carbon dioxide 503892 produced per unit of power.
6. According to the online monitoring system for carbon emissions of thermal power units mentioned in Claim 5, its characteristics lie in that the second calculation module mentioned above calculate the total amount of carbon dioxide emissions of thermal power units in a preset period according to the following formula: P=P1+P2+P3 Where, P is the total amount of carbon dioxide emissions of thermal power units in a preset period, Pl is the carbon emission of coal combustion, P2 is the carbon emissions of desulfurization, and P3 is the carbon emissions of denitrification.
7. According to the online monitoring system for carbon emissions of thermal power units mentioned in Claim 1, its characteristics lie in that the coal combustion adjustment module above mentioned will determine whether it is necessary to adjust the amount of coal in the thermal power unit on the basis of the relationship between the total amount of carbon dioxide emission and the preset total amount of carbon dioxide emission If the total amount of carbon dioxide emissions is greater than the preset total amount of carbon dioxide emissions, the coal combustion adjustment module will determine to adjust the amount of coal in the thermal power unit, otherwise, there is no need to adjust it.
8. According to the online monitoring system for carbon emissions of thermal power units mentioned in Claim 7, its characteristics lie in that when the coal combustion adjustment module determine to adjust the amount of coal,it will set the amount of coal based on the total emission difference A-a between the total carbon dioxide emission amount A and the preset total carbon dioxide emission amount a.
9. According to the online monitoring system for carbon emissions of thermal power units mentioned in Claim 8, its characteristics lie in that the coal combustion adjustment module is used to preset the total emission difference matrix B, set B(B1,B2,B3,B4), where B1 is the first preset total emission difference, B2 is the second preset total emission difference, B3 is the third preset total emission difference, B4 is the fourth preset total emission difference and B1 < B2 < B3 < B4, The coal combustion adjustment module mentioned above is used to preset the coal combustion matrix C(C1,C2,C3,C4,C5), where C1 is the first preset coal combustion, C2 is the 503692 second preset coal combustion, C3 is the third preset coal combustion, C4 is the fourth preset coal combustion, CS is the fifth preset coal combustion and C1 < C2 < C3 < C4 < CS; The coal combustion adjustment module is also used to set the coal amount according to the relationship between the total emission difference A-a and each preset total emission difference; When A-a < BI, the first preset coal combustion C1 is selected as the coal amount of the thermal power unit; When B1<A-a <B2, the second preset coal combustion C2 is selected as the coal amount of the thermal power unit; When B2<A-a < B3, the third preset coal combustion C3 is selected as the coal amount of the thermal power unit; When B3<A-a < B4, the fourth preset coal combustion C4 is selected as the coal amount of the thermal power unit; When B4<A-a, the fifth preset coal combustion CS is selected as the coal amount of the thermal power unit.
10. The characteristic of online monitoring system for carbon emissions of thermal power units lies in that the method including: Obtaining data parameters of the thermal power unit in a preset period, Pre-processing the data parameters, the pre-processing includes data cleaning and data extraction; Calculating the pre-processed data and get the mentioned carbon emissions from coal combustion, desulfurization and denitrification of thermal power units; Comprehensively calculate the total amount of carbon dioxide emissions of thermal power units in a preset period based on above mentioned carbon emissions from coal combustion,desulfurization and denitrification; Adjusting the coal combustion amount of thermal power units based on above mentioned total amount of carbon dioxide emissions.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211741942.6A CN116124997A (en) | 2022-12-27 | 2022-12-27 | Online monitoring system and method for carbon emission of thermal power generating unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| LU503892B1 true LU503892B1 (en) | 2023-10-09 |
Family
ID=86304101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU503892A LU503892B1 (en) | 2022-12-27 | 2023-04-08 | Online carbon emission monitoring system and method for thermal power units |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN116124997A (en) |
| LU (1) | LU503892B1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118052681B (en) * | 2024-02-18 | 2024-07-23 | 南通智大信息技术有限公司 | Greenhouse planting carbon emission monitoring and management method based on Internet of things |
-
2022
- 2022-12-27 CN CN202211741942.6A patent/CN116124997A/en active Pending
-
2023
- 2023-04-08 LU LU503892A patent/LU503892B1/en active IP Right Grant
Also Published As
| Publication number | Publication date |
|---|---|
| CN116124997A (en) | 2023-05-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Xia et al. | Prospect of near-zero-emission IGCC power plants to decarbonize coal-fired power generation in China: Implications from the GreenGen project | |
| Zhang et al. | Energy-exergy analysis and energy efficiency improvement of coal-fired industrial boilers based on thermal test data | |
| CN108062617B (en) | Method for adjusting carbon emission quota of thermal power unit | |
| LU503892B1 (en) | Online carbon emission monitoring system and method for thermal power units | |
| CN102734782B (en) | Coal burning boiler energy efficiency monitoring method | |
| CN104268433B (en) | Method for monitoring unit power generation coal consumption deviation caused by variation of gas boiler operating parameters | |
| CN104598761B (en) | The analysis method that the change of multi-fuel fired boiler operating parameter influences unit generation coal consumption | |
| He et al. | Evaluation indicators for energy-chemical systems with multi-feed and multi-product | |
| CN116664161B (en) | Carbon dioxide emission accounting technology selection method based on coal-fired thermal power plant | |
| CN109086949B (en) | Blast furnace gas generation amount and heat value prediction method based on gas component change | |
| CN105318348A (en) | Thermal power generating unit coal feeding amount feedback correction method based on coal-air ratio coal thermal value correction | |
| CN105240868A (en) | Boiler automatic combustion adjustment control method based on coal-air ratio coal quality correction | |
| CN113744079B (en) | Low-carbon optimized operation method of comprehensive energy system | |
| CN117308076A (en) | Combustion optimization method and control system for coal-fired power plant boiler | |
| CN103425049A (en) | Prediction system and method for heat efficiency of circulating fluidized bed boiler | |
| AU2014218404B2 (en) | Control method for gasification power generation system | |
| CN114118726A (en) | Scientific coal blending co-combustion system of coal-fired power plant based on coal full-value chain management | |
| CN112486044A (en) | Physical network-based monitoring control system for water boiling of coal gas | |
| CN106527382A (en) | Coke oven thermal efficiency online monitoring method | |
| CN112013417B (en) | Combustion optimization adjustment method and system for high-alkali coal boiler | |
| CN118091052B (en) | CEMS-based carbon dioxide online monitoring method and system | |
| FELEA et al. | ANALYSIS OF ENERGY PERFORMANCE OF A COGENERATION SOURCE. | |
| CN105528515A (en) | An environmental protection economy evaluation analysis method for coal-fired power plant boiler smoke pollutant emission | |
| CN114358530B (en) | Gas boiler load rate and thermal efficiency analysis method and system based on Internet of things | |
| CN207281554U (en) | A kind of three wastes intelligent control system for boiler |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG | Patent granted |
Effective date: 20231009 |