CN113723845A - Gaseous pollutant emission evaluation method, system and device for full life cycle - Google Patents
Gaseous pollutant emission evaluation method, system and device for full life cycle Download PDFInfo
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Abstract
The invention discloses a method, a system and a device for evaluating the emission of gaseous pollutants in a full life cycle, which are characterized by comprising the following steps: modularizing the gaseous pollutant emission system in the whole life cycle to obtain a system module; establishing a gaseous pollutant emission evaluation system model according to the system module; and measuring the direct gaseous pollutant emission value of the gaseous pollutant emission system in the full life cycle, and evaluating the gaseous pollutant emission according to the evaluation system model and the direct gaseous pollutant emission value.
Description
Technical Field
The invention relates to the field of gaseous pollutant emission evaluation, in particular to a method, a system and a device for gaseous pollutant emission evaluation in a full life cycle.
Background
With the development of energy production and consumption revolution of 'saving, cleaning and safety' in China, the smoke of coal-fired generator sets in China has achieved the requirement of ultralow emission. At present, the emission value of the gaseous pollutants in the flue gas of the coal-fired power plant is mainly measured on line or off line by a flue outlet device, the measurement result reflects the harm of the gaseous pollutants directly discharged in the flue gas to the environment, but the result can not be used as a system for evaluating the indirect influence of the pollutant discharge in the whole life cycle of the coal-fired power plant on the environment, and the influence of the indirect pollutant discharge in each link in the operation process of the coal-fired power plant on the environment can not be evaluated.
Disclosure of Invention
The invention aims to provide a method, a system and a device for evaluating the emission of gaseous pollutants in a full life cycle, and aims to solve the problem of evaluating the emission of gaseous pollutants in the full life cycle.
The invention provides a full-life-cycle gaseous pollutant emission evaluation method, which comprises the following steps:
s1, modularizing the gaseous pollutant emission system in the whole life cycle to obtain a system module;
s2, establishing a gaseous pollutant emission evaluation system model according to the system module;
and S3, measuring the direct gaseous pollutant emission value of the gaseous pollutant emission system in the whole life cycle, and evaluating the gaseous pollutant emission according to the evaluation system model and the direct gaseous pollutant emission value.
The invention also provides a full-life-cycle gaseous pollutant emission evaluation system, which comprises:
modularization module: the system module is used for modularizing the gaseous pollutant emission system in the whole life cycle to obtain a system module;
the establishing module is used for establishing a gaseous pollutant emission evaluation system model according to the system module;
an evaluation module: the system is used for measuring the direct gaseous pollutant emission value of the gaseous pollutant emission system in the whole life cycle and evaluating the gaseous pollutant emission according to the evaluation system model and the direct gaseous pollutant emission value.
The embodiment of the invention also provides a full-life-cycle gaseous pollutant emission evaluation device, which comprises: a memory, a processor and a computer program stored on the memory and executable on the processor, the computer program implementing the steps of the above method when executed by the processor.
The embodiment of the invention also provides a computer readable storage medium, wherein an implementation program for information transmission is stored on the computer readable storage medium, and the implementation program realizes the steps of the method when being executed by a processor.
By adopting the embodiment of the invention, the gaseous pollutant emission evaluation of the whole life cycle process system is solved.
The foregoing description is only an overview of the technical solutions of the present invention, and the embodiments of the present invention are described below in order to make the technical means of the present invention more clearly understood and to make the above and other objects, features, and advantages of the present invention more clearly understandable.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a flow chart of a full life cycle gaseous pollutant emission evaluation method of an embodiment of the present invention;
FIG. 2 is a detailed flow chart of a full-life cycle gaseous pollutant emission evaluation method according to an embodiment of the present invention;
FIG. 3 is a logic diagram of a full life cycle gaseous pollutant emission evaluation method of an embodiment of the present invention;
FIG. 4 is a schematic diagram of a full life cycle gaseous pollutant emission evaluation system of an embodiment of the present invention;
fig. 5 is a schematic view of a full-life cycle gaseous pollutant emission evaluation device of an embodiment of the present invention.
Description of reference numerals:
401: a modular module; 402: establishing a module; 403: and an evaluation module.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Method embodiment
According to an embodiment of the present invention, a full-life cycle gaseous pollutant emission evaluation method is provided, fig. 1 is a flowchart of the full-life cycle gaseous pollutant emission evaluation method according to the embodiment of the present invention, as shown in fig. 1, specifically including:
s1, modularizing the gaseous pollutant emission system in the whole life cycle to obtain a system module;
s1 specifically includes: dividing a full life cycle process system to obtain different processes of the system; and modularizing each flow of the different flows to obtain a module corresponding to each flow.
S2, establishing a gaseous pollutant emission evaluation system model according to the system module;
and S3, measuring the direct gaseous pollutant emission value of the gaseous pollutant emission system in the whole life cycle, and evaluating the gaseous pollutant emission according to the evaluation system model and the direct gaseous pollutant emission value.
S3 specifically includes: measuring the direct gaseous pollutant emission of the system, inputting parameters of the whole process from production to operation into the model, and calculating the indirect gaseous pollutant emission amount of the whole life cycle according to the model of the input parameters; and evaluating the emission of the gaseous pollutants according to the emission amount of the indirect gaseous pollutants and the emission amount of the direct gaseous pollutants in the whole life cycle.
Inputting parameters of the whole process from production to operation into the model, and calculating the indirect gaseous pollutant emission amount of the whole life cycle according to the model of the input parameters specifically comprises the following steps: and inputting the production parameters, the material consumption parameters and the transportation parameters into the model, and calculating the indirect gaseous pollutant discharge amount of the whole life cycle according to the model of the input production parameters, the material consumption parameters and the transportation parameters.
According to the method, taking a coal-fired power plant as an example, the specific implementation method is as follows:
each flow of different flows of the full life cycle flow system is modularized to obtain an exploitation transportation module, a boiler power generation module, a flue gas purification module, a waste treatment module and a resource utilization module.
And establishing a system model by utilizing Gabi according to the mining and transporting module, the boiler power generation module, the flue gas purification module, the waste treatment module and the resource utilization module.
Inputting mining and transporting parameters before coal enters a boiler, building and operating parameters of boiler power generation, building and operating parameters of a flue gas purification device, building and operating parameters of a waste treatment system and resource use parameters required by each module.
The embodiment of the invention belongs to the technical field of evaluation of gaseous pollutant emission of coal-fired boilers, and particularly relates to a method for evaluating gaseous pollutant emission in a full life cycle of a coal-fired power plant based on a Gabi database.
The embodiment of the invention provides a method for evaluating the gaseous pollutant emission of a coal-fired power plant in the whole life cycle based on a Gabi database.
The embodiment of the invention provides a method for evaluating the emission of gaseous pollutants in the whole life cycle of a coal-fired power plant based on a Gabi database, and the method is further explained by combining an attached drawing and a specific implementation mode.
Fig. 2 is a detailed flowchart of a full-life cycle gaseous pollutant emission evaluation method according to an embodiment of the present invention, as shown in fig. 2:
the method comprises the steps of firstly establishing a coal-fired power plant full life cycle operation flow needing to be evaluated, dividing a coal-fired power plant full life cycle flow system needing to be evaluated, confirming an evaluation system boundary, modularly dividing a system flow in the boundary, and determining the composition of each module in a system evaluation process; establishing a system model by utilizing Gabi software, and inputting parameters of all modules in the system model, wherein the parameters comprise material production and use, material consumption, transportation and the like, and relate to the parameter input of all modules in the whole process from production to operation; after inputting the parameter data of the established system model into the operation model, performing calculation to obtain the indirect emission of partial gaseous pollutants of each module in the operation system, and calculating the total emission of the gaseous pollutants in the life cycle of the coal-fired power plant according to the amount of the gaseous pollutants directly emitted by the flue gas; meanwhile, the discharge amount of gaseous pollutants in the operation process of each module part in the system is utilized, particularly, the direct gaseous pollutants and the indirectly generated gaseous pollutants removed by the flue gas purification and removal equipment are compared, and the economic applicability and the technical feasibility of the removal equipment can be comprehensively analyzed.
Fig. 3 is a logic diagram of a full-life cycle gaseous pollutant emission evaluation method according to an embodiment of the present invention, as shown in fig. 3:
the coal-fired power plant full life cycle system comprises the whole process from coal mining to waste disposal, wherein the coal system calculation before entering a boiler comprises the mining and transportation processes; the boiler power generation system comprises a boiler system (except a flue gas purification device) and a power generation system, the types and the quantities of building materials used in the construction process of the boiler system and the power generation system are respectively counted and calculated in the boiler system, lists of raw material processing, raw material transportation and the like are compiled, and meanwhile lists of required material consumption, energy consumption materials and quantities in the operation process of equipment are calculated; the flue gas purification device part comprises a desulfurization system, a denitration system, a dedusting system and the like, wherein the types and the quantities of building materials used in the construction process of different flue gas removal equipment systems are respectively counted and calculated in the system, lists of raw material processing, raw material transportation and the like are compiled, and meanwhile lists of the types and the quantities of materials required by the equipment in the operation process are calculated; the waste treatment system comprises desulfurization wastewater, desulfurization gypsum and ash slag treatment, and energy consumption, material consumption and transportation list in the system construction and use processes are calculated respectively; meanwhile, when the system runs integrally, the resource use lists of water, oil, electricity and the like required by each device module in the running process of the system are counted and calculated. The method comprises the steps of carrying out combined modeling on all module systems in the whole life cycle of the coal-fired power plant, completing the construction of the whole structure of the system, inputting system list parameter data, calculating by using a Gabi database to obtain the indirect emission of all modules of gaseous pollutants in the whole life cycle of the coal-fired power plant, and monitoring the gaseous pollutants in the flue gas at the outlet of a flue gas treatment device to obtain the direct emission concentration value of the gaseous pollutants in the flue gas.
Compared with the prior art, the embodiment of the invention has the following advantages and effects:
at present, the method of installing an online measurement system on a tail flue to measure the emission value of gaseous pollutants in the flue gas of a coal-fired power plant is adopted to measure the pollutants in the flue gas, the measurement value result is the direct emission value of the flue gas in the coal-fired process, the result cannot visually and comprehensively evaluate the values of the gaseous pollutants indirectly emitted in the processes of whole system construction, operation energy consumption, material consumption and the like in the whole life cycle of the coal-fired power plant, and particularly for different flue gas pollutant purification devices, the comparison between the energy consumption and the environmental benefit in the life cycle can not be comprehensively evaluated.
The embodiment of the invention perfects the component structure of each module of the system by establishing a full life cycle system of the coal burning process, calculates and analyzes the emission value of indirect gaseous pollutants caused by the components in the processes of raw material processing, production and transportation by utilizing a Gabi database, and can measure and calculate the total emission value of the gaseous pollutants in the full life cycle of the coal burning power plant; the evaluation method can be used for calculating and evaluating the emission of different gases such as conventional pollutants (sulfur oxides and nitrogen oxides), organic pollutants, carbon dioxide and the like in the flue gas.
In the implementation process of the invention, the specific process is as follows: firstly, determining the system range of the whole life cycle of a coal-fired power plant, wherein the system range comprises coal mining and transportation, a coal-fired power generation system, a flue gas removal and purification device and a waste disposal device, and the coal-fired power generation system comprises the production and transportation processes of raw materials (steel, copper, aluminum, cement, bricks and the like) in the system construction process; the flue gas removal and purification device comprises a desulfurization part, a denitration part, a dedusting part and the like, and comprises materials (liquid ammonia, limestone, a catalyst and the like) consumed in the production, transportation and operation processes of raw materials (steel, aluminum, copper, plastic, rubber and the like) in the device construction process; the waste treatment device comprises desulfurization waste water, raw material (steel, copper, aluminum, plastic and the like) production, transportation process and material consumption (medicament, additive and the like) in the construction process of the solid waste device; in addition, the material consumption also comprises water, electricity, fuel oil and the like used in the production process of a boiler system, a flue gas purification device and a waste disposal device.
Secondly, modeling the established full life cycle process system of the coal-fired power plant in Gabi software, calling each function module of a Gabi database, and completing the full life cycle process modeling of the coal-fired power plant; and inputting data values of the parameter lists in the whole life cycle to obtain indirect emission data of the gas pollutants of each module in the system, and further calculating the indirect emission of the gas pollutants of the whole system.
And finally, directly discharging the gaseous pollutant value in the smoke of the calculation system through measurement, thereby being capable of calculating the total gaseous pollutant value in the whole life cycle of the coal-fired power plant, and obtaining the discharge ratio of each module through comparative analysis.
The embodiment of the invention relates to a method for evaluating the emission of gaseous pollutants in the whole life cycle of a coal-fired power plant based on a Gabi database, which relates to the emission of gaseous pollutants caused by all facilities and equipment in the whole life cycle of the coal-fired power plant, and comprises the processes of coal mining, transportation, a boiler power generation system, a flue gas removal and purification device, a waste disposal device and the like.
The evaluation method utilizes Gabi software to carry out modeling, and calls a Gabi database to carry out indirect emission calculation of the gaseous pollutants.
The boiler power generation system, the flue gas removal and purification device and the waste treatment device in the evaluation method all comprise the use types and the quantity of production materials in the construction process and the transportation process, and simultaneously comprise the consumption types and the quantity of materials required by the device in operation.
In the evaluation method, each module can independently perform analysis and calculation, the indirect emission value of the gaseous pollutants calculated by each module does not influence the calculation result of the subsequent module, and the influence of each module on the environment can be independently analyzed.
The embodiment of the invention perfects the component structure of each module of the system by establishing a full life cycle system of the coal burning process, calculates and analyzes the emission value of indirect gaseous pollutants caused by the components in the processes of raw material processing, production and transportation by utilizing a Gabi database, and can measure and calculate the total emission value of the gaseous pollutants in the full life cycle of the coal burning power plant; the evaluation method can be used for calculating and evaluating the emission of different gases such as conventional pollutants (sulfur oxides and nitrogen oxides), organic pollutants, carbon dioxide and the like in the flue gas.
System embodiment
According to an embodiment of the present invention, a full-life cycle gaseous pollutant emission evaluation system is provided, and fig. 4 is a schematic diagram of the full-life cycle gaseous pollutant emission evaluation system according to the embodiment of the present invention, as shown in fig. 4, specifically including:
the modular modules 410: the system module is used for modularizing the gaseous pollutant emission system in the whole life cycle to obtain a system module;
the modular module 410 is specifically configured to: dividing a full life cycle process system to obtain different processes of the system; and modularizing each flow of the different flows to obtain a module corresponding to each flow.
The establishing module 420 is used for establishing a gaseous pollutant emission evaluation system model according to the system module;
the evaluation module 430: the system is used for measuring the direct gaseous pollutant emission value of the gaseous pollutant emission system in the whole life cycle and evaluating the gaseous pollutant emission according to the evaluation system model and the direct gaseous pollutant emission value.
The evaluation module 430 is specifically configured to: measuring the direct gaseous pollutant emission of the system, inputting parameters of the whole process from production to operation into the model, and calculating the indirect gaseous pollutant emission amount of the whole life cycle according to the model of the input parameters; and evaluating the emission of the gaseous pollutants according to the emission amount of the indirect gaseous pollutants and the emission amount of the direct gaseous pollutants in the whole life cycle.
And inputting the production parameters, the material consumption parameters and the transportation parameters into the model, and calculating the indirect gaseous pollutant discharge amount of the whole life cycle according to the model of the input production parameters, the material consumption parameters and the transportation parameters.
The embodiment of the present invention is a system embodiment corresponding to the above method embodiment, and specific operations of each module may be understood with reference to the description of the method embodiment, which is not described herein again.
Apparatus embodiment one
The embodiment of the invention provides a full-life-cycle gaseous pollutant emission evaluation device, as shown in fig. 5, comprising: a memory 50, a processor 52 and a computer program stored on the memory 50 and executable on the processor 52, the computer program, when executed by the processor, implementing the steps of the above-described method embodiments.
Device embodiment II
The embodiment of the present invention provides a computer-readable storage medium, on which an implementation program for information transmission is stored, and when the program is executed by the processor 52, the steps in the above method embodiments are implemented.
The computer-readable storage medium of this embodiment includes, but is not limited to: ROM, RAM, magnetic or optical disks, and the like.
It will be apparent to those skilled in the art that the modules or steps of the present invention described above may be implemented by a general purpose computing device, they may be centralized on a single computing device or distributed across a network of multiple computing devices, and alternatively, they may be implemented by program code executable by a computing device, such that they may be stored in a storage device and executed by a computing device, and in some cases, the steps shown or described may be performed in an order different than that described herein, or they may be separately fabricated into individual integrated circuit modules, or multiple ones of them may be fabricated into a single integrated circuit module. Thus, the present invention is not limited to any specific combination of hardware and software.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; however, these modifications or alternative technical solutions of the embodiments of the present invention do not depart from the scope of the present invention.
Claims (10)
1. A full-life-cycle gaseous pollutant emission evaluation method is characterized by comprising the following steps:
s1, modularizing the gaseous pollutant emission system in the whole life cycle to obtain a system module;
s2, establishing a gaseous pollutant emission evaluation system model according to the system module;
and S3, measuring the direct gaseous pollutant emission value of the gaseous pollutant emission system in the whole life cycle, and evaluating the gaseous pollutant emission according to the evaluation system model and the direct gaseous pollutant emission value.
2. The method according to claim 1, wherein the S1 specifically includes: dividing a full life cycle process system to obtain different processes of the system; and modularizing each flow of the different flows to obtain a system module corresponding to each flow.
3. The method according to claim 2, wherein the S3 specifically includes: measuring the direct gaseous pollutant emission of the system, inputting parameters of the whole process from production to operation into the model, and calculating the indirect gaseous pollutant emission amount of the whole life cycle according to the model of the input parameters; and evaluating the emission of the gaseous pollutants according to the emission amount of the indirect gaseous pollutants and the emission amount of the direct gaseous pollutants in the whole life cycle.
4. The method of claim 3, wherein the parameters of the entire process from production to operation are input into the model, and wherein calculating the full-life indirect gaseous pollutant emission from the model of the input parameters specifically comprises: and inputting the production parameters, the material consumption parameters and the transportation parameters into the model, and calculating the indirect gaseous pollutant discharge amount of the whole life cycle according to the model of the input production parameters, the material consumption parameters and the transportation parameters.
5. A full-life cycle gaseous pollutant emission evaluation system, comprising:
modularization module: the system module is used for modularizing the gaseous pollutant emission system in the whole life cycle to obtain a system module;
the establishing module is used for establishing a gaseous pollutant emission evaluation system model according to the system module;
an evaluation module: the system is used for measuring the direct gaseous pollutant emission of the system, and gaseous pollutant emission evaluation is carried out according to the evaluation system model and the direct gaseous pollutant emission.
6. The system of claim 5, wherein the modular module is specifically configured to: dividing a full life cycle process system to obtain different processes of the system; and modularizing each flow of the different flows to obtain a module corresponding to each flow.
7. The system of claim 6, wherein the evaluation module is specifically configured to: measuring the direct gaseous pollutant emission of the system, inputting parameters of the whole process from production to operation into the model, and calculating the indirect gaseous pollutant emission amount of the whole life cycle according to the model of the input parameters; and evaluating the emission of the gaseous pollutants according to the emission amount of the indirect gaseous pollutants and the emission amount of the direct gaseous pollutants in the whole life cycle.
8. The system of claim 7, wherein the evaluation module is specifically configured to:
and inputting the production parameters, the material consumption parameters and the transportation parameters into the model, and calculating the indirect gaseous pollutant discharge amount of the whole life cycle according to the model of the input production parameters, the material consumption parameters and the transportation parameters.
9. A full-life gaseous pollutant emission evaluation device, comprising: memory, a processor and a computer program stored on the memory and executable on the processor, the computer program when executed by the processor implementing the steps of the full life cycle gaseous pollutant emission assessment method of any one of claims 1 to 4.
10. A computer-readable storage medium, having stored thereon a program for implementing information transfer, which when executed by a processor implements the steps of the full-life cycle gaseous pollutant emission evaluation method of any one of claims 1 to 4.
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