CN112149056A - Method for controlling discharge amount of carbon-containing gas in aluminum production process - Google Patents

Method for controlling discharge amount of carbon-containing gas in aluminum production process Download PDF

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CN112149056A
CN112149056A CN201910569557.XA CN201910569557A CN112149056A CN 112149056 A CN112149056 A CN 112149056A CN 201910569557 A CN201910569557 A CN 201910569557A CN 112149056 A CN112149056 A CN 112149056A
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郭玥锋
姜涵
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Suzhou Wuyun Mingtai Technology Co ltd
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Abstract

Embodiments of the present disclosure disclose methods of controlling emissions of carbonaceous gases in an aluminum production process. One embodiment of the method comprises: acquiring position range information of a target city; acquiring enterprise information of enterprises in the range indicated by the position range information according to the position range information; determining at least one aluminum manufacturing enterprise according to the enterprise information; for each aluminum making enterprise in the at least one aluminum making enterprise, determining the emission amount of carbon-containing gas generated in the aluminum production process of the aluminum making enterprise; the emission amount of carbon-containing gas includes the emission amount of carbon dioxide and the emission amounts of two kinds of perfluorocarbon gases, namely, the emission amount of carbon tetrafluoride and the emission amount of hexafluoroethane; and controlling the discharge amount of the carbon-containing gas in the aluminum production process of at least one aluminum production enterprise based on the discharge amount and preset value of the carbon-containing gas of each aluminum production enterprise. The embodiment realizes the determination and control of the emission of the carbon-containing gas of enterprises within the range of the target urban location.

Description

Method for controlling discharge amount of carbon-containing gas in aluminum production process
Technical Field
The embodiment of the disclosure relates to the technical field of environmental protection, in particular to a method for controlling the emission of carbon-containing gas in the production process of aluminum.
Background
The aluminum element is second to oxygen and silicon in the earth crust, and is the most abundant metal element in the earth crust. The use of a substance depends to a large extent on the nature of the substance. Aluminum has a very wide range of uses because of its many advantageous properties. Pure aluminum is soft, not very strong, has good ductility, can be drawn into filaments and rolled into foils, and is used in large quantities in the manufacture of wires, cables, the radio industry and the packaging industry.
In the process of industrial aluminum production, some greenhouse gases, such as carbon dioxide, perfluorocarbon and other carbon-containing gases, are emitted. The greenhouse gases act to warm the earth's surface, similar to the action of a greenhouse to trap solar radiation and heat the air in the greenhouse. The main emission sources of the carbon-containing gas are a direct emission process and an indirect emission process in the industrial production process.
The environmental impact of greenhouse gases worldwide is becoming more and more severe. Particularly in the industrial field, the emission of carbon-containing gas is large and the influence is profound. For this reason, the amount of discharge of the carbon-containing gas is determined and controlled, which is very slow.
Disclosure of Invention
In a first aspect, some embodiments of the present disclosure provide a method of controlling emissions of carbon-containing gases in an aluminum production process, the method comprising: acquiring position range information of a target city; acquiring enterprise information of enterprises in the range indicated by the position range information according to the position range information; determining at least one aluminum manufacturing enterprise according to the enterprise information; for each aluminum making enterprise in the at least one aluminum making enterprise, determining the emission amount of carbon-containing gas generated in the aluminum production process of the aluminum making enterprise; the emission amount of carbon-containing gas includes the emission amount of carbon dioxide and the emission amounts of two kinds of perfluorocarbon gases, namely, the emission amount of carbon tetrafluoride and the emission amount of hexafluoroethane; and controlling the discharge amount of the carbon-containing gas in the aluminum production process of at least one aluminum production enterprise based on the discharge amount and preset value of the carbon-containing gas of each aluminum production enterprise.
In some embodiments, the method for controlling the emission amount of carbon-containing gas in the aluminum production process of at least one aluminum production enterprise based on the emission amount of carbon-containing gas and a preset value of each aluminum production enterprise further comprises: and judging whether the emission amount of the carbon-containing gas of the enterprises in the range indicated by the target urban position range information exceeds a preset emission value, if so, feeding back information to the carbon-containing gas emission points in the range indicated by the target urban position range information, and sending an emission reduction instruction to at least one enterprise, wherein the aluminum manufacturing enterprises receiving the emission reduction instruction execute the emission reduction instruction according to emission reduction planning.
In some embodiments, the emissions for carbon dioxide include:
Figure BDA0002110573590000021
wherein,
Figure BDA0002110573590000022
represents the carbon dioxide emission due to carbon anode consumption, P represents the raw aluminum yield, EFCarbon anodeRepresenting the carbon dioxide emission factor of the carbon anode consumption.
In some embodiments, the emissions for the two perfluorocarbons mentioned above include:
Figure BDA0002110573590000023
wherein,
Figure BDA0002110573590000024
indicating the amount of perfluorocarbon emissions due to the anode effect,
Figure BDA0002110573590000025
CF representing anode effect4The amount of the emission factor is such that,
Figure BDA0002110573590000026
represents carbon tetrafluoride (CF)4) The global warming potential of (a) a high-power,
Figure BDA0002110573590000027
c representing anode effect2F6The amount of the emission factor is such that,
Figure BDA0002110573590000028
represents hexafluoroethane (C)2F6) P represents the raw aluminum yield.
In some embodiments, the carbon dioxide emission factor consumed for the carbon anode described above comprises:
Figure BDA0002110573590000029
wherein NC isCarbon anodeIndicates the net consumption of ton of aluminum carbon anode, SCarbon anodeRepresents the average sulfur content of the carbon anode, ACarbon anodeRepresenting the average ash content of the carbon anode.
In some embodiments, the CF for the anode effect4An emission factor comprising:
Figure BDA00021105735900000210
wherein,
Figure BDA00021105735900000211
CF representing anode effect4And the emission factor, AEM represents the average anode effect duration per cell per day, and is real-time monitoring data of the enterprise automatic production control system.
In some embodiments, C for the above-described anode effect2F6An emission factor comprising:
Figure BDA00021105735900000212
wherein,
Figure BDA00021105735900000213
c representing anode effect2F6The amount of the emission factor is such that,
Figure BDA00021105735900000214
CF representing anode effect4An emission factor.
In some embodiments, the above method further comprises: transmitting an emission amount of carbon dioxide, an emission amount of carbon tetrafluoride, and an emission amount of hexafluoroethane of at least one aluminum manufacturing enterprise to an emission amount monitoring terminal, wherein the emission amount monitoring terminal: detecting a gas selection operation of a user; displaying an aluminum production enterprise and the gas associated with the gas selection operation of the user according to the detected gas selection operation of the user in a mode of at least one of the following modes: bar chart, pie and line chart.
In some embodiments, the controlling the emission amount of the carbon-containing gas in the aluminum production process of the at least one aluminum production enterprise based on the emission amount of the carbon-containing gas and the preset value of each aluminum production enterprise comprises:
determining at least one aluminum production enterprise with the emission exceeding a preset value based on the emission of the carbon-containing gas of each aluminum production enterprise and the preset value; to each system aluminium enterprise in above-mentioned at least one system aluminium enterprise, send the operation instruction to monitoring unmanned aerial vehicle, above-mentioned operation instruction includes geographical location information and the enterprise type information of this system aluminium enterprise, wherein above-mentioned monitoring unmanned aerial vehicle: flying to a sampling detection point of the aluminum manufacturing enterprise according to the geographical position information; determining a sampling mode according to the gas type information; enabling the determined sampling mode to perform sampling detection operation; returning sampling detection information; and for each aluminum manufacturing enterprise in the at least one aluminum manufacturing enterprise, sending a production stopping instruction or an emission reduction instruction to the aluminum manufacturing enterprise according to the returned sampling detection information.
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 provide a method for controlling carbon-containing gas emissions in an aluminum production process by obtaining location range information for a target city; acquiring enterprise information of enterprises in the range indicated by the position range information according to the position range information; determining at least one aluminum manufacturing enterprise according to the enterprise information; for each aluminum making enterprise in the at least one aluminum making enterprise, determining the emission amount of carbon-containing gas generated in the aluminum production process of the aluminum making enterprise; the emission amount of carbon-containing gas includes the emission amount of carbon dioxide and the emission amounts of two kinds of perfluorocarbon gases, namely, the emission amount of carbon tetrafluoride and the emission amount of hexafluoroethane; and controlling the discharge amount of the carbon-containing gas in the aluminum production process of at least one aluminum production enterprise based on the discharge amount and preset value of the carbon-containing gas of each aluminum production enterprise. The embodiment realizes the determination and control of the emission of the carbon-containing gas of enterprises within the range of the target urban location.
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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 a flow diagram of an embodiment of a method for controlling carbonaceous gas emissions in an aluminum production process, according to some embodiments of the present disclosure;
FIG. 2 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 invention and not restrictive of the invention. It should also be noted that the embodiments and features of the embodiments in the present disclosure may be combined with each other without conflict. The following detailed description will refer to the accompanying drawings in conjunction with embodiments.
FIG. 1 illustrates a flow diagram 100 of one embodiment of a method for controlling the amount of carbonaceous gas emissions in an aluminum production process, in accordance with some embodiments of the present disclosure. The method comprises the following steps:
step 101, obtaining position range information of a target city.
In some embodiments, the execution subject of controlling the emission amount of the carbon-containing gas in the aluminum production process may be hardware or software.
As an example, the execution subject may be a server storing city location range information. The city location range information includes city location information and regional location information within a city range. The target city may be a preset city or a user-specified city. According to the position information of the target city and the area position in the city range acquired from the server, the server can determine the position range information of the target city.
As another example, the execution subject is a server of a GPS positioning system. And according to the determined information of the target city and the city-within area, the GPS is positioned to the position of the target city and the city-within area. And then returning the information to the execution main body, wherein the execution main body can acquire the position range information of the target city.
And 102, acquiring enterprise information of the enterprises in the range indicated by the position range information according to the position range information.
In some embodiments, the execution principal may be a server storing city information. The city information includes city location range information and a set of business information for businesses within the city location range. The enterprise information includes enterprise type (e.g., chemical industry, aluminum production) and enterprise location information. The position range information of the target city obtained in step 101 may be obtained from the server, and according to the keyword "enterprise", the server may determine enterprise information of an enterprise located within a range indicated by the position range information.
As another example, the execution subject is a server of a GPS positioning system. The location range information of the target city determined in step 101 and the keyword "enterprise", the execution subject may determine enterprise information of enterprises located within the range indicated by the location range information through a GPS positioning system.
And 103, determining at least one aluminum manufacturing enterprise according to the enterprise information.
In some embodiments, the executive agent may determine at least one aluminum-making enterprise based on the keyword "aluminum-making enterprise" by way of two examples given above in step 102.
104, determining the emission amount of carbon-containing gas generated in the aluminum production process of each aluminum making enterprise in the at least one aluminum making enterprise; the emission amount of the carbon-containing gas includes the emission amount of carbon dioxide and the emission amounts of two kinds of perfluorocarbon gases, i.e., the emission amount of carbon tetrafluoride and the emission amount of hexafluoroethane.
In some embodiments, the emission of carbon-containing gas generated by the aluminum manufacturing enterprise in the aluminum production process comes from two parts, namely, the emission of carbon dioxide consumed by a carbon anode in the reaction of converting aluminum oxide into metallic aluminum, and the emission of two perfluorocarbon gases caused by the anode effect, namely, the emission of carbon tetrafluoride and the emission of hexafluoroethane. Meanwhile, the perfluorocarbon emission factor in the aluminum production process should preferably adopt an enterprise measured factor.
Optionally, the emission amount of carbon dioxide is determined by the following formula:
Figure BDA0002110573590000051
wherein,
Figure BDA0002110573590000052
indicating the carbon dioxide emission caused by the consumption of the carbon anode of an aluminum production enterprise in a preset time. And P represents the original aluminum yield of the aluminum manufacturing enterprise in the preset time. The main raw material of primary aluminum is alumina, which is a widely used metal, and is also the main raw material for processing aluminum products. Herein is referred to the alumina production of an aluminum production enterprise within a predetermined time. EFCarbon anodeRepresenting the carbon dioxide emission factor of the carbon anode consumption.
Alternatively, the carbon dioxide emission factor consumed by the carbon anode is determined by the following formula:
Figure BDA0002110573590000053
wherein NC isCarbon anodeIndicating the net consumption of ton of aluminum carbon anode. The net consumption of the ton of aluminum carbon anode is as follows: the ratio of carbon anode weight consumed per ton of aluminum over a predetermined time. The recommended value of 0.42 of the China nonferrous metals industry Association can be adopted; the full sample or typical enterprise investigation with conditions can be carried out by weighing and detecting according to the month and taking the average annual value. SCarbon anodeWhich represents the average sulfur content of the carbon anode, i.e., the weight of the sulfur component in the carbon anode as a percentage of the weight of the carbon anode. The recommended value of 2% by the national association for the nonferrous metals industry can be used. The whole sample can be developed or the typical enterprise research with the conditions can be carried out according to the section 20 of the method for detecting the carbon material for aluminum in YS/T63.20-2006: measurement of sulfur content. Sampling and detecting the carbon anodes of each batch, and taking an annual average value. A. theCarbon anodeRepresenting the average ash content of the carbon anode. The weight of the dust in the carbon anode accounts for the weight percentage of the carbon anode. The recommended value of 0.4% by the national association of nonferrous metals industry can be used. The full sample development or typical enterprise investigation with the conditions can be carried out according to part 19 of the YS/T63.19-2006 method for detecting carbon materials for aluminum: measurement of ash content, sampling and testing the carbon anodes of each batch, and taking an annual average value.
Alternatively, the amount of carbon tetrafluoride discharged and the amount of hexafluoroethane discharged are determined by the following formulas:
Figure BDA0002110573590000061
wherein,
Figure BDA0002110573590000062
indicating the amount of perfluorocarbon emissions due to the anode effect.
Figure BDA0002110573590000063
CF representing anode effect4An emission factor.
Figure BDA0002110573590000064
Represents carbon tetrafluoride (CF)4) GWP (global warming potential) is an index of a substance generating a greenhouse effect. GWP is the ratio of the mass of the greenhouse effect of various greenhouse gases to the mass of the greenhouse effect of carbon dioxide under the same conditions (which can be considered as the ratio of the mass of various greenhouse gases to the mass of carbon dioxide). Carbon dioxide is used as a reference gas, and the GWP value of carbon dioxide is 1 based on the GWP data of carbon dioxide. The global warming potential value can be compiled by referring to a scientific assessment report written by IPCC, and specific numerical values in the IPCC report are as follows: CF (compact flash)4Has a GWP of 6500, C2F6Has a GWP value of 9200.
Figure BDA0002110573590000065
C representing anode effect2F6An emission factor.
Figure BDA0002110573590000066
Represents hexafluoroethane (C)2F6) The value of global warming potential of (a) may be reported in scientific evaluation written with reference to the IPCC. P represents the raw aluminum production of an aluminum manufacturing enterprise within a predetermined time period.
Optional, anode-effect CF4The emission factor is determined by the following equation:
Figure BDA0002110573590000067
wherein,
Figure BDA0002110573590000068
CF representing anode effect4And the emission factor, AEM represents the average anode effect duration of each tank per day, and is real-time monitoring data of an automatic production control system of an aluminum production enterprise.
Optionally, C of anodic effect2F6The emission factor is determined by the following equation:
Figure BDA0002110573590000069
wherein,
Figure BDA00021105735900000610
c representing anode effect2F6The amount of the emission factor is such that,
Figure BDA00021105735900000611
CF representing anode effect4An emission factor.
As another example, a gas detector is installed on a production facility in an aluminum production facility. Wherein the gas detector: the detection mode is determined according to the type of gas. Specifically, if the gas is carbon dioxide, the detection mode detects for carbon dioxide, and then a numerical value is obtained. If the gas is perfluorocarbon, the detection mode detects for the perfluorocarbon, and then obtains a value. The execution principal is returned. Specifically, the gas value measured in the above-described enabled detection mode is returned to the execution body through the network. Thereby determining the discharge amount of the carbon-containing gas generated in the aluminum production process of the aluminum production enterprises.
And 105, controlling the emission amount of the carbon-containing gas in the aluminum production process of at least one aluminum production enterprise based on the emission amount and preset value of the carbon-containing gas of each aluminum production enterprise.
In this embodiment, the emission amount of the carbon-containing gas of each aluminum production company can be determined through the above step 104. Based on the determined at least one carbonaceous gas emission, they are compared with each other and ranked in order from smaller to larger. The discharge amount of the carbonaceous gas named first is taken as a preset value. And the execution subject issues emission reduction instructions to the aluminum manufacturing enterprises with the second to last names.
Optionally, the emission amount of the carbon-containing gas of each aluminum production enterprise can be determined through the step 104. And further determining the total emission of carbon-containing gas of the aluminum manufacturing enterprises within the range indicated by the target urban location range information. Based on the determined at least one emission of carbon-containing gas, a first preset value is determined. As an example, the preset value may be an average value of the above-mentioned at least one emission amount of the carbonaceous gas. And then, comparing the emission of the carbon-containing gas of each aluminum production enterprise in the range indicated by the target urban position range information with the first preset value. And determining the aluminum manufacturing enterprises with the emission greater than the first preset value as the aluminum manufacturing enterprises to be subjected to emission reduction. And if the total emission of the carbon-containing gas of the aluminum production enterprises within the range indicated by the target city position range information exceeds a second preset value (the second preset value can be set manually), the execution main body issues an emission reduction instruction to the aluminum production enterprises to be subjected to emission reduction. And the aluminum manufacturing enterprise receiving the emission reduction instruction executes the emission reduction operation of the carbon-containing gas according to a preset emission reduction plan. The emission reduction planning comprises: at least one steel enterprise receiving the emission reduction instruction can reduce the production of steel until the emission reduction instruction is relieved. Optionally, the controlling the emission amount of the carbon-containing gas in the aluminum production process of at least one aluminum production enterprise based on the emission amount and the preset value of the carbon-containing gas of each aluminum production enterprise comprises: first, according to the emission of carbon-containing gas of each aluminum production enterprise determined in step 104, at least one aluminum production enterprise with an emission exceeding a preset value (the preset value can be set manually) can be determined. Secondly, for each of the at least one aluminum manufacturing enterprise, sending a work instruction to the monitoring unmanned aerial vehicle. The operation instructions comprise the geographical position of the aluminum production enterprise and the type of the enterprise (such as aluminum production and chemical industry).
Wherein, above-mentioned monitoring unmanned aerial vehicle can carry out following step:
first, the system can fly to the sampling detection point of the aluminum production enterprise according to the geographical location information.
The sampling detection point is any position point in a circle formed by taking the position indicated by the geographical position information of the aluminum manufacturing enterprise as the center of the circle and taking the preset length as the radius.
Second, a sampling pattern is determined based on the business type information.
Specifically, when the enterprise type is aluminum production, a sampling mode for sampling carbon-containing gas is started; and when the enterprise type is chemical industry, starting a sampling mode for sampling hydrogen sulfide, and the like.
Thirdly, the determined sampling mode is enabled, and sampling detection operation is carried out.
The monitoring unmanned aerial vehicle can start the determined sampling mode, perform sampling detection operation and obtain sampling detection information. The sampling detection information includes discharge amount information of the carbonaceous gas.
Fourth, sample detection information is returned.
Optionally, for each aluminum manufacturing enterprise in the at least one aluminum manufacturing enterprise, a shutdown instruction or a production reduction instruction is sent to the aluminum manufacturing enterprise 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 emission of the carbon-containing gas of the aluminum production enterprise in the returned sampling detection information exceeds a first preset value (the preset value can be determined manually), sending a production stop instruction to the aluminum production enterprise. The first preset value may be determined according to an environment carrying capacity. And when the emission of the carbon-containing gas of the aluminum production enterprise in the returned sampling detection information exceeds a second preset value, sending a production reduction instruction to the aluminum production enterprise. The preset value can be an average value of the carbon-containing gas of each aluminum production enterprise. And the aluminum manufacturing enterprise receiving the emission reduction instruction executes the emission reduction operation of the carbon-containing gas according to a preset emission reduction plan. The emission reduction planning comprises: and at least one aluminum manufacturing enterprise receiving the emission reduction instruction starts to execute the carbon-containing gas emission reduction operation until the total amount of the carbon-containing gas emission in the target area is less than or equal to a second preset value.
Optionally, for each aluminum manufacturing enterprise of the at least one aluminum manufacturing enterprise, determining the emission amount of the carbon-containing gas generated by the aluminum manufacturing enterprise in the aluminum production process may further include: the execution main body transmits the emission amount of carbon dioxide, the emission amount of carbon tetrafluoride and the emission amount of hexafluoroethane of at least one aluminum manufacturing enterprise to an emission amount monitoring terminal through a network, wherein the emission amount monitoring terminal can execute the following steps:
firstly, detecting gas selection operation of a user;
the selecting operation may include at least one of: mouse single click, mouse double click, touch screen, etc.
Secondly, according to the detected gas selection operation of the user, displaying the aluminum manufacturing enterprise and the gas related to the gas selection operation of the user in a mode of at least one of the following modes: bar chart, pie and line chart.
The monitoring terminal uses the gas selected by the user and the aluminum manufacturing enterprise associated with the gas selected by the user to at least one of the following modes according to the detected gas selection operation of the user: and displaying the bar chart, the pie and the line chart in the monitoring display area.
Referring now to FIG. 2, shown is a block diagram of a computer system 200 suitable for use in implementing the electronic device of an embodiment of the present application. The electronic device shown in fig. 2 is only an example, and should not bring any limitation to the functions and the scope of use of the embodiments of the present application.
As shown in fig. 2, the computer system 200 includes a Central Processing Unit (CPU)201 that can perform various appropriate actions and processes in accordance with a program stored in a Read Only Memory (ROM)202 or a program loaded from a storage section 208 into a Random Access Memory (RAM) 203. In the RAM203, various programs and data necessary for the operation of the system 200 are also stored. The CPU201, ROM 202, and RAM203 are connected to each other via a bus 204. An input/output (I/O) interface 205 is also connected to bus 204.
The following components are connected to the I/O interface 205: an input portion 206 including a keyboard, a mouse, and the like; an output section 207 including a display such as a Liquid Crystal Display (LCD) and a speaker; a storage section 208 including a hard disk and the like; and a communication section 209 including a network interface card such as a LAN card, a modem, or the like. The communication section 209 performs communication processing via a network such as the internet. A drive 210 is also connected to the I/O interface 205 as needed. A removable medium 211 such as a magnetic disk, an optical disk, a magneto-optical disk, a semiconductor memory, or the like is mounted on the drive 210 as necessary, so that a computer program read out therefrom is mounted into the storage section 208 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 209 and/or installed from the removable medium 211. The above-described functions defined in the method of the present application are performed when the computer program is executed by the Central Processing Unit (CPU) 201. 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 (10)

1. A method for controlling emissions of carbonaceous gases in an aluminum production process, comprising:
acquiring position range information of a target city;
acquiring enterprise information of enterprises in the range indicated by the position range information according to the position range information;
determining at least one aluminum manufacturing enterprise according to the enterprise information;
for each aluminum manufacturing enterprise in the at least one aluminum manufacturing enterprise, determining the emission of carbon-containing gas generated by the aluminum manufacturing enterprise in the aluminum production process, wherein the emission of the carbon-containing gas comprises the emission of carbon dioxide, carbon tetrafluoride and hexafluoroethane;
and controlling the discharge amount of the carbon-containing gas in the aluminum production process of at least one aluminum production enterprise based on the discharge amount and preset value of the carbon-containing gas of each aluminum production enterprise.
2. The method of claim 1, wherein the method of controlling the emission of carbon-containing gas in the aluminum production process of at least one aluminum production enterprise based on the emission of carbon-containing gas and a preset value of carbon-containing gas of each aluminum production enterprise comprises:
determining whether the emission amount of the carbon-containing gas of the enterprises in the range indicated by the target urban position range information exceeds a preset emission value, if so, feeding back information to the aluminum manufacturing enterprises in the range indicated by the target urban position range information, and sending an emission reduction instruction to at least one aluminum manufacturing enterprise, wherein the aluminum manufacturing enterprises receiving the emission reduction instruction execute the emission reduction instruction according to emission reduction planning.
3. The method of claim 1, wherein the amount of carbon dioxide emissions is determined according to the following formula:
Figure FDA0002110573580000011
wherein,
Figure FDA0002110573580000012
represents the carbon dioxide emission due to carbon anode consumption, P represents the raw aluminum yield, EFCarbon anodeRepresenting the carbon dioxide emission factor of the carbon anode consumption.
4. The method as claimed in claim 1, wherein the emissions of carbon tetrafluoride and hexafluoroethane comprise:
Figure FDA0002110573580000013
wherein,
Figure FDA0002110573580000014
indicating the amount of perfluorocarbon emissions due to the anode effect,
Figure FDA0002110573580000021
CF representing anode effect4The amount of the emission factor is such that,
Figure FDA0002110573580000022
denotes carbon tetrafluoride CF4The value of the global warming potential of (c),
Figure FDA0002110573580000023
c representing anode effect2F6The amount of the emission factor is such that,
Figure FDA0002110573580000024
represents hexafluoroethane C2F6P represents the raw aluminum yield.
5. The method of claim 3, wherein the carbon anode-consumed carbon dioxide emission factor comprises:
Figure FDA0002110573580000025
wherein NC isCarbon anodeIndicates the net consumption of ton of aluminum carbon anode, SCarbon anodeRepresents the average sulfur content of the carbon anode, ACarbon anodeRepresenting the average ash content of the carbon anode.
6. The method of claim 4, wherein the anode effect CF4An emission factor comprising:
Figure FDA0002110573580000026
wherein,
Figure FDA0002110573580000027
CF representing anode effect4And the emission factor, AEM represents the average anode effect duration of each tank per day, and is real-time monitoring data of an automatic production control system of an aluminum production enterprise.
7. The method of claim 4, wherein C of the anodic effect2F6An emission factor comprising:
Figure FDA0002110573580000028
wherein,
Figure FDA0002110573580000029
c representing anode effect2F6The amount of the emission factor is such that,
Figure FDA00021105735800000210
CF representing anode effect4An emission factor.
8. The method of claim 7, further comprising:
transmitting an emission amount of carbon dioxide, an emission amount of carbon tetrafluoride, and an emission amount of hexafluoroethane of at least one aluminum manufacturing enterprise to an emission amount monitoring terminal, wherein the emission amount monitoring terminal: detecting a gas selection operation of a user; displaying an aluminum production enterprise and the gas associated with the gas selection operation of the user according to the detected gas selection operation of the user in a mode of at least one of the following modes: bar chart, pie and line chart.
9. The method according to any one of claims 1 to 8, wherein the controlling the discharge amount of the carbon-containing gas in the aluminum production process of the at least one aluminum production enterprise based on the discharge amount of the carbon-containing gas of each aluminum production enterprise and a preset value comprises:
determining at least one aluminum production enterprise with the emission exceeding a preset value based on the emission of the carbon-containing gas of each aluminum production enterprise and the preset value;
for each aluminum manufacturing enterprise of the at least one aluminum manufacturing enterprise, sending a work instruction to a monitoring unmanned aerial vehicle, wherein the work instruction comprises geographical location information and enterprise type information of the aluminum manufacturing enterprise, and the monitoring unmanned aerial vehicle: flying to a sampling detection point of the aluminum manufacturing enterprise according to the geographic position information; determining a sampling mode according to the gas type information; enabling the determined sampling mode to perform sampling detection operation; returning sampling detection information;
and for each aluminum manufacturing enterprise in the at least one aluminum manufacturing enterprise, sending a production stopping instruction or an emission reduction instruction to the aluminum manufacturing enterprise according to the returned sampling detection 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 1-9.
CN201910569557.XA 2019-06-27 2019-06-27 Method for controlling discharge amount of carbon-containing gas in aluminum production process Withdrawn CN112149056A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114965879A (en) * 2022-05-12 2022-08-30 中国铝业股份有限公司 Method for determining carbon dioxide emission in aluminum electrolysis process and related equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114965879A (en) * 2022-05-12 2022-08-30 中国铝业股份有限公司 Method for determining carbon dioxide emission in aluminum electrolysis process and related equipment
CN114965879B (en) * 2022-05-12 2023-10-24 中国铝业股份有限公司 Method for determining carbon dioxide emission in aluminum electrolysis process and related equipment

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