CN112147274A - Method for controlling carbon dioxide emission in cement production process - Google Patents

Method for controlling carbon dioxide emission in cement production process Download PDF

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CN112147274A
CN112147274A CN201910569568.8A CN201910569568A CN112147274A CN 112147274 A CN112147274 A CN 112147274A CN 201910569568 A CN201910569568 A CN 201910569568A CN 112147274 A CN112147274 A CN 112147274A
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carbon dioxide
cement
emission
plant
target area
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郭玥锋
姜涵
钱晶
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Suzhou Wuyun Mingtai Technology Co ltd
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    • 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—Specially adapted to detect a particular component
    • G01N33/004—Specially adapted to detect a particular component for CO, CO2
    • G—PHYSICS
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    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM]
    • G05B19/41865—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM] characterised by job scheduling, process planning, material flow
    • 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
    • Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

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Abstract

Embodiments of the present disclosure disclose a method for controlling carbon dioxide emissions during cement production. One embodiment of the method comprises: determining a number of cement plants within the target area; for each of the determined number of cement plants, determining an emission of carbon dioxide for that plant; summarizing carbon dioxide emission of each cement plant, and determining the total carbon dioxide emission of the cement plants in a target area; and controlling the emission of carbon dioxide of the cement plants in the target area according to the total emission amount of carbon dioxide and the emission amount of carbon dioxide of each cement plant. This embodiment enables the determination and control of carbon dioxide emissions in a certain area.

Description

Method for controlling carbon dioxide emission in cement production process
Technical Field
The embodiment of the disclosure relates to the technical field of environmental protection, in particular to a method for controlling carbon dioxide emission in a cement production process.
Background
Cement is one of the main building materials used in the economic construction process of China, and has huge demand in the current engineering construction industry. But carbon dioxide gas is discharged in the cement production process, so that the environment is polluted.
Carbon dioxide refers to a carbon oxide, which is a colorless and odorless gas at normal temperature and pressure and is slightly sour, and is also a common greenhouse gas. The carbon dioxide acts to warm the earth's surface, similar to the action of a greenhouse to trap solar radiation, and to heat the air in the greenhouse. The main source of carbon dioxide is the direct emission process and the indirect emission process in the industrial production process.
The influence of carbon dioxide on the environment is becoming more and more serious, and the method is not exceptional in China. It is imperative to control the carbon dioxide emissions. Particularly in the industrial field, the emission of carbon dioxide is greatly influenced, and for this reason, it is urgent to determine and control the emission of carbon dioxide.
Disclosure of Invention
In a first aspect, some embodiments of the present disclosure provide a method for controlling carbon dioxide emissions during cement production, the method comprising: determining a number of cement plants within the target area; for each of the determined number of cement plants, determining an emission of carbon dioxide for that plant; summarizing carbon dioxide emission of each cement plant, and determining the total carbon dioxide emission of the cement plants in a target area; and controlling the emission of carbon dioxide of the cement plants in the target area according to the total emission amount of carbon dioxide and the emission amount of carbon dioxide of each cement plant.
In some embodiments, for each of the determined number of cement plants, determining an emission of carbon dioxide for that plant comprises: determining the emission of carbon dioxide from the plant according to the following formula:
Figure BDA0002110573660000021
wherein the content of the first and second substances,
Figure BDA0002110573660000022
indicates the carbon dioxide emission, AD, of the cement production processCementRepresenting the cement clinker yield, EF, after deducting the clinker yield of the carbide slag production from the clinker yield of all the processes of a plant for producing cement in a predetermined period of timeCementRepresenting the emission factor of cement clinker.
In some embodiments, controlling the emission of carbon dioxide from the cement plants in the target area based on the total amount of carbon dioxide emission and the amount of carbon dioxide emitted from each cement plant comprises:
and responding to the fact that the total amount of the carbon dioxide emission exceeds a preset threshold value, and sending an emission reduction instruction to at least one cement factory in the target area, wherein the cement factory receiving the emission reduction instruction executes the emission reduction operation of the carbon dioxide according to a preset emission reduction plan.
In some embodiments, determining an emission factor for cement clinker comprises: determining the emission of carbon dioxide from the plant according to the following formula:
Figure BDA0002110573660000023
wherein, FRRaORepresenting the content of CaO in clinker; FRMgORepresents the MgO content in the clinker.
In some embodiments, controlling the emission of carbon dioxide from the cement plants in the target area based on the total amount of carbon dioxide emission and the amount of carbon dioxide emitted from each cement plant comprises: determining at least one cement plant exceeding a preset value according to the carbon dioxide emission of each cement plant; to each of the above-mentioned at least one cement plant, send the operation instruction to monitoring unmanned aerial vehicle, the operation instruction includes the geographical location information of this cement plant, wherein above-mentioned monitoring unmanned aerial vehicle: flying to a sampling detection point of the cement factory according to the geographic position; determining a sampling mode according to the gas emission information; starting a selected sampling mode to perform sampling detection operation; returning sampling detection information; for each of the at least one cement plant, a production reduction or shutdown instruction is sent to the cement plant based on the returned sample detection information.
In some embodiments, the above method further comprises: transmitting the carbon dioxide emission of each cement plant to an emission display terminal, wherein the emission display terminal: detecting a factory selection operation of a user; displaying the carbon dioxide emission amount and the total carbon dioxide emission amount of the plant corresponding to the plant selection operation of the user according to the detected plant selection operation of the user in a mode of at least one of the following modes: bar chart, pie and line chart.
In a second 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.
In a third aspect, some embodiments of the disclosure provide a computer readable medium having a computer program stored thereon, wherein the program when executed by a processor implements a method as in any one of the first aspect.
Some embodiments of the present disclosure disclose methods for controlling carbon dioxide emissions during cement production that enable the determination and control of carbon dioxide emissions in a region.
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Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
FIG. 1 is an exemplary system architecture diagram in which some embodiments of the present disclosure may be applied;
FIG. 2 is a flow diagram of one embodiment of a method for controlling carbon dioxide emissions during cement production, according to some embodiments of the present disclosure;
FIG. 3 is a schematic block diagram of a computer system suitable for use with the electronic device used to implement some embodiments of the present disclosure.
Detailed Description
The present disclosure is described in further detail below with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant application and are not limiting of the application. It should be noted that, for the convenience of description, only the parts related to the related applications are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Fig. 1 illustrates an exemplary system architecture 100 for a method for controlling carbon dioxide emissions in a cement production process to which some embodiments of the present disclosure may be applied.
As shown in fig. 1, the system architecture 100 may include terminal devices 101, 102, 103 installed at a cement plant, a network 104, and a server 105. The network 104 serves as a medium for providing communication links between the terminal devices 101, 102, 103 and the server 105. Network 104 may include various connection types, such as wired, wireless communication links, or fiber optic cables, to name a few.
The user may cause the terminal devices 101, 102, 103 to interact with the server 105 over the network 104 to receive or send messages or the like. Various communication client applications may be installed on the terminal devices 101, 102, 103.
The terminal devices 101, 102, 103 may be various electronic devices having a display screen and communicating in time, including but not limited to smart phones, tablet computers, electronic book readers, MP3 players (Moving Picture Experts Group Audio Layer III, mpeg compression standard Audio Layer 3), MP4 players (Moving Picture Experts Group Audio Layer IV, mpeg compression standard Audio Layer 4), laptop portable computers, desktop computers, and the like.
The server 105 may be a server that provides various services, such as transmitting emission reduction information to the terminal devices 101, 102, 103.
It should be noted that the method for controlling carbon dioxide emissions during cement production provided by some embodiments of the present disclosure is generally performed by the server 105.
It should be understood that the number of terminal devices, networks, and servers in fig. 1 is merely illustrative. There may be any number of terminal devices, networks, and servers, as desired for implementation.
With continued reference to FIG. 2, a flow diagram 200 of one embodiment of a method of controlling carbon dioxide emissions during cement production according to the present disclosure is shown. The method for controlling the emission of carbon dioxide in the cement production process comprises the following steps:
in step 201, the number of cement plants in the target area is determined.
In some embodiments, the execution subject of the method for controlling carbon dioxide emission in cement production process can be hardware or software.
As an example, the execution body may be a server storing the region information. The area information may include location information of an area, location information of a factory, and factory type information (e.g., cement factory, textile factory). The target area may be user-set or preset. First, area information of a target area is acquired from a server. And judging whether the factory is positioned in the target area or not according to the position information of the area and the position information of the factory for each factory in the area. If the factory is confirmed to be in the target area, the number of factories in the target area is determined. And determining the number of cement plants among the determined number of plants in the target area based on the type information of the plants (e.g., cement plants).
For each of the determined number of cement plants, the carbon dioxide emissions of that plant are determined, step 202.
In some embodiments, each cement plant in the target area may be equipped with production equipment that detects carbon dioxide emissions. With the above-described production equipment for detecting the carbon dioxide emission amount, which is installed in each cement plant, the execution body can determine the carbon dioxide emission amount of each cement plant in the target area.
Alternatively, the carbon dioxide emissions of each of the determined number of cement plants may be determined according to the following formula:
Figure BDA0002110573660000051
wherein the content of the first and second substances,
Figure BDA0002110573660000052
and (4) indicating the carbon dioxide emission in the cement production process of the cement plant in a preset time period. ADCementRepresenting the cement clinker yield of the cement plant in the predetermined type of process within the predetermined period of time, excluding the cement clinker yield of the carbide slag production. EFCementRepresenting the emission factor of cement clinker. A process of a predetermined type for a cement plant producing cement, comprising: cement production by carbide slag and cement raw material production by cement raw material. The production process of the cement production process by the carbide slag does not generate carbon dioxide. Carbon dioxide is generated in the production process of cement by using cement raw materials.
Alternatively, the emission factor of the cement clinker may be determined according to the following formula:
Figure BDA0002110573660000053
wherein, FRCaOThe percentage of the weight of the CaO component in the cement clinker to the weight of the cement clinker in the cement production industry is expressed, and the value can refer to the standard of the cement production industry. FRMgOThe percentage of the weight of MgO component in the cement clinker to the weight of the cement clinker in the cement production industry is expressed, and the value can refer to the standard of the cement production industry.
And step 203, summarizing the carbon dioxide emission amount of each cement plant, and determining the total carbon dioxide emission amount of the cement plants in the target area.
In some embodiments, the execution body may determine the carbon dioxide emission amount of each cement plant in the determined amount in the target area through the method shown in step 202, and then sum the carbon dioxide emission amounts to determine the total carbon dioxide emission amount of the cement plants in the target area
And step 204, controlling the emission of the carbon dioxide of the cement plants in the target area according to the total emission amount of the carbon dioxide and the emission amount of the carbon dioxide of each cement plant.
In some embodiments, per step 202 described above, the carbon dioxide emissions of a determined amount of each cement plant within the target area may be determined. And comparing and ranking the at least one carbon dioxide emission amount based on the determined at least one carbon dioxide emission amount, and determining the factory with the rank of the first three as the factory to be subjected to emission reduction. The total amount of carbon dioxide emissions from the cement plant in the target area may be determined via step 203. And if the total carbon dioxide emission amount in the target area is greater than a first preset value (the preset value can be set manually), the executive main body sends an emission reduction instruction to the cement plant to be subjected to emission reduction. The first preset value may be determined according to an environmental load capacity or a carbon emission index. And the cement factory receiving the emission reduction instruction executes the emission reduction operation of the carbon dioxide according to a preset emission reduction plan. The emission reduction planning comprises: and starting to execute carbon dioxide emission reduction operation by at least one cement plant receiving the emission reduction instruction until the total amount of carbon dioxide emission in the target area is less than or equal to a first preset value.
Optionally, controlling the emission of carbon dioxide from the cement plant in the target area according to the total emission of carbon dioxide and the emission of carbon dioxide from each cement plant includes: first, at least one cement plant that emits carbon dioxide in excess of a second predetermined value (which may be set manually) may be determined based on the carbon dioxide emissions from the various cement plants determined in step 202. The second preset value may be determined according to a carbon emission index of a cement plant. Secondly, for each of the at least one cement plant, a work order is sent to the monitoring drone. The work order includes the geographical location of the cement plant and plant type information (e.g., cement plant, textile plant).
Wherein, above-mentioned monitoring unmanned aerial vehicle can carry out following step:
first, the cement plant can be flown to a sampling inspection point according to the geographical location.
The sampling detection point is any position point in a circle formed by taking the position indicated by the geographical position information of the cement plant as the center of the circle and taking a preset length as the radius.
Secondly, according to the gas emission information, a sampling mode is determined.
Specifically, when the gas is carbon dioxide, a sampling mode for sampling the cement factory is started; and when the gas is sulfur dioxide, starting a sampling mode for sampling the textile factory, and the like.
Then, the selected sampling mode is started to perform sampling detection operation.
The monitoring unmanned aerial vehicle starts the determined sampling mode to perform sampling detection operation, and sampling detection information is obtained. The sampling detection information includes carbon dioxide emission amount information.
And finally, returning sampling information.
Optionally, for each cement plant of the at least one cement plant, a production stop instruction or a production reduction instruction is sent to the cement plant according to the returned sampling detection information. For example, the monitoring drone and the execution body may be connected in at least one of the following ways: wireless network, 3G, 4G, 5G. And when the carbon dioxide emission of the cement plant in the returned sampling detection information exceeds a third preset value (the preset value can be determined manually), sending a production reduction instruction to the cement plant. The third preset value can be determined according to the environmental bearing capacity (such as the total carbon dioxide bearing capacity of the target area). And starting the plant receiving the production reduction command to perform production reduction operation until the emission of the carbon dioxide of the plant is less than or equal to a third preset value. And when the carbon dioxide emission of the cement plant in the returned sampling detection information exceeds a fourth preset value (the preset value can be determined manually), sending a production stop instruction to the cement plant. The fourth preset value may be determined according to a carbon emission index of a cement plant.
Alternatively, the cement production facility of the cement plant may be equipped with an operation control device (e.g., power on). In the case where the total amount of carbon dioxide emissions exceeds a preset threshold (which may be an average of the carbon dioxide emissions of the individual cement plants within the target area), the carbon dioxide of the cement plants within the target area is ranked. Selecting a preset number of cement factories ranked at the top, and sending an instruction for interrupting the operation to an operation control device of the selected cement factories.
Optionally, the controlling the emission of carbon dioxide from the cement plant in the target area according to the total emission amount of carbon dioxide and the emission amount of carbon dioxide from each cement plant, further comprises: according to the carbon dioxide emission of each cement plant determined in step 202, the execution main body transmits the carbon dioxide emission of each cement plant to an emission display terminal through a network, wherein the emission display terminal can execute the following steps:
first, a factory selection operation by a user is detected.
The selecting operation may include at least one of: mouse single click, mouse double click, touch screen, etc.
Next, the carbon dioxide emission amount and the total amount of carbon dioxide emission of the plant corresponding to the plant selection operation by the user are displayed in at least one of the following manners according to the detected plant selection operation by the user: bar chart, pie and line chart.
The display terminal displays the carbon dioxide emission amount and the total carbon dioxide emission amount of a plant corresponding to the plant selection operation of the user according to the detected plant selection operation of the user in a mode of at least one of the following modes: bar chart, pie and line chart.
Referring now to FIG. 3, shown is a block diagram of a computer system 300 suitable for use in implementing the electronic device of an embodiment of the present application. The electronic device shown in fig. 3 is only an example, and should not bring any limitation to the functions and the application range of the embodiments of the present application, which realizes that the emission amount of carbon dioxide in a certain area can be determined and controlled.
As shown in fig. 3, the computer system 300 includes a Central Processing Unit (CPU)301 that can 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 section 308 into a Random Access Memory (RAM) 303. In the RAM 303, various programs and data necessary for the operation of the system 300 are also stored. The CPU 301, ROM 302, and RAM 303 are connected to each other via a bus 304. An input/output (I/O) interface 305 is also connected to bus 304.
The following components are connected to the I/O interface 305: an input portion 306 including a keyboard, a mouse, and the like; an output section 307 including a display such as a Liquid Crystal Display (LCD) and a speaker; a storage section 308 including a hard disk and the like; and a communication section 309 including a network interface card such as a LAN card, a modem, or the like. The communication section 309 performs communication processing via a network such as the internet. A drive 310 is also connected to the I/O interface 305 as needed. A removable medium 311 such as a magnetic disk, an optical disk, a magneto-optical disk, a semiconductor memory, or the like is mounted on the drive 310 as necessary, so that a computer program read out therefrom is mounted into the storage section 308 as necessary.
In particular, according to an embodiment of the present disclosure, the processes described above with reference to the flowcharts may be implemented as computer software programs. For example, embodiments of the present disclosure include a computer program product comprising a computer program embodied on a computer readable medium, the computer program comprising program code for performing the method illustrated in the flow chart. In such an embodiment, the computer program may be downloaded and installed from a network through the communication section 309, and/or installed from the removable medium 311. The computer program performs the above-described functions defined in the method of the present application when executed by the Central Processing Unit (CPU) 301. It should be noted that the computer readable medium described herein can be a computer readable signal medium or a computer readable storage medium or any combination of the two. A computer readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the foregoing.
More specific examples of the computer readable storage medium may include, but are not limited to: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In the present application, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device.
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 (8)

1. A method for controlling carbon dioxide emissions during cement production, comprising:
determining a number of cement plants within the target area;
for each of the determined number of cement plants, determining an emission of carbon dioxide for that plant;
summarizing carbon dioxide emission of each cement plant, and determining the total carbon dioxide emission of the cement plants in a target area;
and controlling the emission of the carbon dioxide of the cement plants in the target area according to the total emission amount of the carbon dioxide and the emission amount of the carbon dioxide of each cement plant.
2. The method of claim 1, wherein determining the amount of carbon dioxide emissions from each of the determined number of cement plants comprises:
determining the emission of carbon dioxide from the plant according to the following formula:
Figure FDA0002110573650000011
wherein the content of the first and second substances,
Figure FDA0002110573650000012
indicates the carbon dioxide emission, AD, of the cement production processCementRepresenting the cement clinker yield, EF, after deduction of the clinker yield of the carbide slag productionCementRepresenting the emission factor of cement clinker.
3. The method of claim 1, wherein controlling the emission of carbon dioxide from the cement plants in the target area based on the total amount of carbon dioxide emissions and the amount of carbon dioxide emitted from each cement plant comprises:
and responding to the fact that the total emission amount of the carbon dioxide exceeds a preset threshold value, and sending an emission reduction instruction to at least one cement factory in a target area, wherein the cement factory receiving the emission reduction instruction executes emission reduction operation of the carbon dioxide according to a preset emission reduction plan.
4. The method of claim 2, wherein the emission factor of the cement clinker is determined according to the formula:
Figure FDA0002110573650000013
wherein, FRCaODenotes the CaO content, FR, of the clinkerMgORepresents the MgO content in the clinker.
5. The method according to any one of claims 1 to 4, wherein the controlling of the emission of carbon dioxide from the cement plants in the target area based on the total amount of carbon dioxide emission and the emission of carbon dioxide from the respective cement plants comprises:
determining at least one cement plant with the carbon dioxide emission exceeding a preset value according to the carbon dioxide emission of each cement plant;
for each of the at least one cement plant, sending a work order to a monitoring drone, the work order including geographic location information for that cement plant, wherein the monitoring drone: flying to a sampling detection point of the cement plant according to the geographic position; determining a sampling mode according to the gas emission information; starting a selected sampling mode to perform sampling detection operation; returning sampling detection information;
for each of the at least one cement plant, a production reduction or shutdown instruction is sent to the cement plant based on the returned sample detection information.
6. The method of claim 5, further comprising:
transmitting the carbon dioxide emission of each cement plant to an emission display terminal, wherein the emission display terminal: detecting a factory selection operation of a user; displaying the carbon dioxide emission amount and the total carbon dioxide emission amount of the plant corresponding to the plant selection operation of the user according to the detected plant selection operation of the user in a mode of at least one of the following modes: bar chart, pie and line chart.
7. 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 1-6.
8. A computer-readable medium, on which a computer program is stored, wherein the program, when executed by a processor, implements the method of any one of claims 1-6.
CN201910569568.8A 2019-06-27 2019-06-27 Method for controlling carbon dioxide emission in cement production process Withdrawn CN112147274A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

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Application publication date: 20201229