234 results about "Carbon neutrality" patented technology

The invention discloses a shipping industry carbon emission prediction method based on fusion of multi-scale feature extraction and time sequence dependence analysis, and belongs to the field of carbon emission prediction and time sequence analysis. The method comprises the steps that historical shipping carbon emission data are acquired and preprocessed; performing multi-scale decomposition on the preprocessed data by adopting a complete ensemble empirical mode decomposition adaptive noise technology, generating n intrinsic mode functions and a residual sequence, inputting the n intrinsic mode functions and the residual sequence into a Transform model, obtaining data features of the intrinsic mode functions, inputting the data features into an LSTM model, and obtaining predicted n intrinsic mode functions and n residual sequences; and superposing all prediction results, carrying out smoothing processing to obtain a final carbon emission prediction result, and then obtaining a trained Transform model and a trained LSTM model to predict the carbon emission of the shipping industry. The method is suitable for practical application scenes such as shipping carbon emission supervision, carbon emission reduction policy evaluation and carbon neutralization path planning.

According to the low-concentration flue gas CO2 absorbent screening method, system, equipment and medium disclosed by the embodiment of the invention, the RF for feature screening and the XGBoost for performance prediction are combined to construct a high-precision physical property prediction model, so that the dependence on experimental data is reduced; by introducing an NSGA-II algorithm of an adaptive constraint processing mechanism, weights of key features are dynamically adjusted, a global optimal solution is ensured, the accuracy of the model is effectively improved, and industrial requirements are met. Finally, the low-concentration flue gas CO2 absorbent formula which is excellent in performance and economical and feasible is screened out, an efficient absorbent design scheme is provided for industrial application, the efficiency and economical efficiency of the CO2 capturing process are improved, the industrialization process of the CO2 capturing technology is promoted, and powerful technical support is provided for achieving the purposes of carbon emission reduction and carbon neutralization.

The invention relates to the technical field of building energy consumption analysis, and discloses a building energy consumption and carbon neutralization analysis system based on big data analysis, which comprises an acquisition unit, an analysis unit, a calculation unit, a deficit unit, a judgment unit and a carbon neutralization management unit, and is used for generating a carbon neutralization management instruction of a target object according to a carbon neutralization urgency index, performance degradation of a target object along with increase of service life is captured, an analysis unit combines real-time carbon emission data of a power grid, generates a dynamic carbon track slope and reflects a carbon emission change trend in real time, a calculation unit performs segment processing on operation duration based on big data, and a complete-cycle carbon track vector is constructed. A healthy deficit degree and a stepped urgency index are generated through big data analysis of the deficit unit and the judgment unit, and finally a management instruction is output by the management unit, so that the problem of insufficient tracking of full-life-cycle energy consumption attenuation and carbon emission increment of a target object by traditional analysis is effectively solved, and the accuracy of long-term carbon neutralization planning is greatly improved.

The invention discloses a coal gasification slag-steel slag-based high-carbon-storage type filling material and a preparation method thereof, and belongs to the field of coal-based solid waste resource utilization and carbon emission reduction. The filling material comprises the following components in parts by weight: 100 parts of a cementing material, 10-20 parts of aggregate and 10-20 parts of water. 38 to 52 parts of aggregate; 24 to 40 parts of water; the cementing material comprises the following raw materials: 65-85 parts of coal gasification slag; 15 to 35 parts of steel slag; and 3.0 to 10.5 parts of a composite exciting agent. According to the method, the coal gasification slag can be consumed on a large scale, CO2 is fixed and stored through the carbonization reaction, and stable storage of CO2 is achieved through engineering application of a filling material; the problems of industrial solid waste treatment, carbon emission control, natural resource consumption, environmental pollution and the like are effectively solved, and good environmental protection benefits and practical values are achieved; the invention provides a new technical path for realizing solid waste resource utilization and carbon neutralization targets.

The invention belongs to the technical field of carbon footprint tracking management, and relates to a carbon neutralization-oriented building waste classification and cyclic utilization tracking method, which comprises the following steps of generating a physical-digital anchoring voucher bound with a source tracing data packet based on the obtained source tracing data packet; based on the physical-digital anchoring voucher, generating a waste tracing data object which records theoretical carbon emission reduction potential and is in a non-activated state; generating a transportation process consistency log based on the waste tracing data object; generating a terminal cross validation report based on the transportation process consistency log and the waste tracing data object; on the basis of the terminal cross validation report, updating the waste traceability data object by calculating the verified actual carbon emission reduction, and generating a verified emission reduction verification data packet; according to the method, the problems that the whole process lacks an anti-counterfeiting and tracing mechanism and the standardized development of the construction waste recycling industry is restricted due to the dispersity and tampering easiness of related information of the construction waste are solved.

The invention discloses an optimal scheduling method for an urban comprehensive energy system, which comprises the following steps: firstly, analyzing the carbon emission of various energy sources of the urban comprehensive energy system, secondly, establishing a comprehensive energy carbon emission optimization model with the minimum carbon emission as the target by taking carbon reduction as the target, and finally, calculating the optimal scheduling of the urban comprehensive energy system. And finally, solving the comprehensive energy carbon emission optimization model by adopting a particle swarm algorithm to obtain an optimal low-carbon operation scheme of each type of unit, and realizing low-carbon operation optimization scheduling of the urban comprehensive energy system. According to the invention, the carbon emission of the urban comprehensive energy system can be effectively reduced, the consumption level of the urban comprehensive energy system to wind and photoelectricity is also increased, deep integration of different energy systems is realized, large-scale utilization of renewable energy sources is promoted, economic, efficient and green utilization of energy sources is realized, the energy utilization level of cities is improved, and the economic benefit is increased. Implementation of low-carbon electric power is beneficial to realization of global carbon neutralization targets.

The invention discloses a high-temperature solid oxide electrolyzed water hydrogen production system coupling photo-thermal power generation and thermochemical heat storage. The system comprises a power module, a thermochemical heat storage and air supply module, a water vapor supply module and a high-temperature solid oxide electrolyzed water module. The photo-thermal power generation system provides clean electric energy and high-temperature heat energy, the thermochemical heat storage module achieves high-density storage and on-demand release of heat energy through reversible reaction, the intermittent problem of renewable energy sources is solved, and high-temperature stable operation of an SOEC electrolytic cell is ensured. Through the coupling design of the thermochemical heat storage system and the SOEC, heat flow distribution is optimized, energy consumption of traditional electric heating is reduced, the external steam heating requirement and the hot air requirement are reduced, the total energy cost of hydrogen production is reduced, and the unit hydrogen production cost is remarkably reduced. The thermochemical heat storage module can stabilize the volatility of photo-thermal power generation, so that the system can still stably supply energy when sunlight is insufficient, the utilization rate of renewable energy sources is increased, clean production of green hydrogen is achieved, and the carbon neutralization target is met.

The embodiment of the invention discloses a carbon neutralization path planning method. The method comprises the following steps: acquiring carbon emission associated data of a target industry, and determining a plurality of future development scenes of the target industry according to the carbon emission associated data; and obtaining a carbon neutralization target of the target industry, and planning a carbon neutralization path suitable for the target industry according to the plurality of future development scenes and the carbon neutralization target. According to the technical scheme of the embodiment of the invention, the adaptability of carbon neutralization path planning can be improved.

The invention relates to a water supply network carbon emission real-time accounting method and system based on hydraulic power-energy consumption dynamic coupling. The invention relates to the technical field of urban water affair engineering and carbon neutralization, and the method comprises the steps: collecting hydraulic data, equipment energy consumption data and regional power grid data of a water supply network through a multi-source sensing layer, and carrying out the time alignment and data cleaning; a hydraulic power-energy consumption digital twinborn model is constructed, and the dynamic efficiency of the pump set is inversed in real time; predicting a real-time carbon emission factor of the regional power grid based on a deep learning model; establishing a virtual carbon flow conduction model based on a graph neural network or a topological structure, and carrying out dynamic tracking and calculation among pipe network nodes by taking the carbon emission intensity as a virtual substance; calculating a carbon leakage index; and finally, generating a pipe network carbon thermodynamic diagram and feeding back an optimization scheduling instruction. According to the method, the problems of factor staticization, low temporal-spatial resolution and incapability of stripping invalid carbon emission of a traditional accounting method are solved.

The invention discloses a land type adjustment and simulation method based on carbon neutralization constraint, and the method comprises the following steps: obtaining land data of a target region, and calculating the carbon flux of each classification space; constructing a carbon profit and loss weight function based on the carbon flux, the ecological benefit and the economic benefit as an overall constraint condition; reversely deducing each land space area corresponding to a preset time node on the basis of a Markov chain model, and taking the land space areas as stage constraint conditions; performing NSGA-III optimization solution based on the constraint condition to obtain a corresponding land use adjustment scheme; an improved PLUS model is adopted to simulate a land use adjustment scheme, the carbon cost of land conversion is incorporated into a land utilization simulation process, and a genetic algorithm is utilized to optimize model parameters to obtain a land space simulation result of a target year. According to the method, a carbon cycle mechanism, a carbon sink optimization target and a land utilization decision full process are coupled, a closed loop of carbon constraint-land simulation-policy assessment is realized, and scientific decision support is provided for regional carbon emission reduction and ecological protection.

The invention provides an enterprise value chain carbon emission data processing method, system and device and a medium, and the method comprises the steps: integrating an external carbon emission parameter and operation activity data of an internal business system, building an incidence relation of different data source fields, generating a data set with a unified identifier, and carrying out the processing of the data set; the method comprises the steps that supplier data are acquired, whether the supplier data contain a carbon emission value or not is identified, if the supplier data contain the carbon emission value, the carbon emission value is directly used as an actual carbon emission value, otherwise, a theoretical carbon emission value is calculated through a material structure of a target commodity and a dynamic coefficient library, and finally a visual report of carbon emission distribution is generated based on the actual or theoretical carbon emission value. According to the method, automatic treatment and accurate checking of enterprise total value chain carbon emission data are realized, the data accuracy and management efficiency are remarkably improved, and the method is suitable for enterprise carbon footprint accounting and supply chain emission reduction strategy making under the carbon neutralization target.

The invention belongs to the technical field of carbon neutralization, and discloses a synergistic efficient low-carbon electrolysis water and total-oxygen blast furnace coupled low-carbon steel coproduction system. Comprising an electrolyzed water system; a blast gas inlet of the total-oxygen blast furnace system is connected with an oxygen outlet of the electrolyzed water system, and the total-oxygen blast furnace system is used for receiving oxygen to generate top circulating coal gas rich in carbon monoxide and carbon dioxide; an inlet of the coal gas purification system is connected with a circulating coal gas outlet of the total-oxygen blast furnace system; a first inlet of the methanol synthesis system is connected with a hydrogen outlet of the water electrolysis system, a second inlet of the methanol synthesis system is connected with a purified gas outlet of the gas purification system, and the methanol synthesis system is used for receiving hydrogen and purified circulating gas to generate methanol; the circulating gas heating system is arranged in a circulating gas path between the gas purification system and the total-oxygen blast furnace system and is used for heating circulating gas returned to the blast furnace; an inlet of the flue gas decarburization system is connected with a combustion flue gas outlet of the circulating gas heating system, and the flue gas decarburization system is used for conveying carbon dioxide in the flue gas to the second inlet.

The invention belongs to the technical field of CO2 catalytic conversion, and discloses an in-situ reduction efficient CO2 methanation catalyst as well as a preparation method and application thereof. The efficient CO2 methanation catalyst NiA (CO3) xRe is formed by in-situ reduction of Ni and A coupled carbonate NiA (CO3) x, wherein A is selected from one of Mg, Ce and Al. NiA (CO3) xRe is prepared by a coprecipitation method. According to the present invention, the reaction equilibrium conversion is achieved at 300 DEG C in the reaction atmosphere with the CO2: H2: N2 volume ratio of 1: 4: 5 and the air speed of 150000 mL.gcat <-1 >. H <-1 >, the methane selectivity reaches 100%, the methane yield reaches 677.8 mmol.gcat <-1 >. H <-1 >, and the methane selectivity is still not reduced after the operation is performed for 100 h under the condition; compared with the prior art, the prepared catalyst greatly improves the high efficiency and stability of methanation catalytic reaction, the preparation process is simple, large-scale production is easy to achieve, the catalyst is matched with the temperature of coal-fired flue gas, energy does not need to be input again, efficient conversion can be completed, carbon emission is effectively reduced, and high-value products are obtained for use; and a favorable way is provided for realizing a carbon neutralization target.

The present invention relates to an apparatus for producing biomethane and a method for producing biomethane from waste using same. The apparatus for producing biomethane, which corresponds to one aspect of the present invention, is directed to a technique for producing biomethane from wastewater to be discarded and is environmentally friendly and economical. In addition, the apparatus for producing biomethane of the present invention utilizes carbon materials, such as carbon dioxide, present in the atmosphere and thus can contribute to carbon neutrality. In addition, the apparatus for producing biomethane of the present invention separately performs a liquid fermentation process, thereby exhibiting excellent biomethane production efficiency.

The utility model relates to a titanium dioxide zero-carbon suspension rapid crystal transformation system which comprises a desulfurizing tower, an induced draft fan, a bag collector, a scattering dryer, a high-temperature fan, a first cyclone cylinder, a suspension calcining furnace and a second cyclone cylinder. According to the utility model, titanium dioxide is produced by adopting a suspension calcination technology, green electricity is adopted as electric energy, and a byproduct carbon dioxide is recycled, so that zero-carbon production of products is facilitated, and carbon neutralization in the titanium dioxide industry is promoted.

The invention provides landscape environment auxiliary equipment based on carbon neutralization. The landscape environment auxiliary equipment structurally comprises a solar power generation structure, a water circulation processor, a vertical box, a small reaction kettle and a vertical planting structure, and the solar power generation structure is electrically connected with the water circulation processor and arranged at the edge of the vertical box; on the basis of a solar power generation structure carried by the vertical box, the fixation of the whole environment auxiliary equipment for landscape in a specific original point can be effectively improved through the reinforcing blocks at the lower end of the bearing body, and then the positions of the conduction plate, the inversion body and the light energy plate can be determined through the insulating grooves of the bearing body; therefore, the solar panel can receive sunlight and convert the sunlight into electric energy, and the inverter can convert an electric energy waveform into a standard waveform conforming to a water circulation processor and a small reaction kettle for use, so that solar power generation can be utilized to replace an original wiring electrifying process, and the strength of a carbon neutralization characteristic can be improved; and the characteristic of low-carbon electricity utilization is achieved.

The invention relates to the technical field of low-carbon regulation and control of data centers, finally achieves the purpose of industry carbon neutralization, provides a low-carbon regulation and control method, system and equipment for load calculation of a data center and a storage medium, and solves the problems of low accuracy and low effectiveness of low-carbon regulation and control. According to the invention, the real-time computing power of each enterprise and the real-time carbon price data of the carbon trading market are collected; a digital twinborn model is constructed based on the two types of data, and the power consumption, the cold energy consumption and the carbon emission of the data center can be mapped in real time; simulating the carbon emission change under a preset computing power scheduling strategy by means of a digital twinborn model, and generating virtual environment feature data; designing a double-layer game model: receiving the basic data and the virtual environment characteristic data by an upper-layer unit, and determining a final carbon quota distribution proportion; and the lower-layer unit dynamically adjusts the power supply voltage and frequency of the electric equipment, so that low-carbon regulation and control of the calculation load of the data center are realized, and the accuracy and effectiveness of the low-carbon regulation and control of the calculation load of the data center are improved.

The system according to the embodiment aims to effectively manage corporate emissions and green space absorption, and promote carbon neutrality. [Solution] A system according to an embodiment includes a data collection unit, an emissions analysis unit, a removal analysis unit, and an auction holding unit. The data collection unit collects emissions data from companies. The emissions analysis unit analyzes the companies' emissions based on the data collected by the data collection unit. The data collection unit collects removal data from green spaces. The removal analysis unit analyzes the removal amounts of green spaces based on the data collected by the data collection unit. The auction holding unit holds an auction based on the analysis results obtained by the emissions analysis unit and the removal analysis unit.

The invention discloses a carbon neutralization path planning method and device, and relates to the technical field of carbon neutralization, and the method comprises the following steps: S1, generating an initial scheme; s2, carbon flow tracing and multi-dimensional emergency risk early warning are carried out; s3, cross-stage collaborative optimization is carried out; and S4, optimizing scheme synchronization. According to the carbon neutralization path planning method and device, various sudden risk signals of environments, supply chains, policies and the like can be captured in real time by building a multi-dimensional sudden risk early warning mechanism, the impact degree of risks on a carbon neutralization target is quantified in advance, and the defect that traditional planning lacks risk early warning is overcome; when a risk triggers an adjustment instruction, by means of a cross-stage collaborative optimization algorithm and a full-life-cycle emission reduction measure library, an emission reduction gap of an emission reduction potential compensation problem stage of a non-core stage can be flexibly called, an initial scheme failure caused by the risk is avoided, it is guaranteed that a carbon neutralization path can still be stably propelled in a dynamic change scene, and the method is simple and convenient. The toughness and the flexibility achieved by a carbon neutralization target are obviously improved.

The utility model relates to the technical field of carbon neutralization, and discloses energy-saving and emission-reducing type carbon neutralization equipment which comprises a carbon neutralization equipment body, three upper filter screens and three lower filter screens are fixedly mounted in the carbon neutralization equipment body, the top of each upper filter screen has a certain inclination, a motor is mounted at the top of the carbon neutralization equipment body, and the lower filter screens are mounted at the bottom of the carbon neutralization equipment body. A rotating shaft is mounted on the motor, three cleaning brushes are fixedly mounted on the rotating shaft, three particle inlet grooves are formed in the carbon neutralization equipment body, and a particle storage cavity is formed in the carbon neutralization equipment body; three rotating shafts are fixedly installed in the carbon neutralization equipment body, and each rotating shaft is rotationally provided with a rotating door. According to the utility model, the motor drives the rotating shaft to rotate to drive the cleaning brush to rotate on the surface of the filter screen, so that impurities clamped in the filter port fall into the filter element, and impurities on the surface of the filter screen also fall into the particle storage cavity due to the work of the cleaning brush and the inclination of the filter screen, therefore, only the filter element needs to be replaced, and the filter screen does not need to be cleaned.

This invention relates to the field of mining environmental protection equipment technology, and more particularly to a separable mining carbon neutralization device. The separable mining carbon neutralization device provided by this invention solves the technical problem of poor operational stability in existing mining carbon neutralization devices. The separable mining carbon neutralization device includes a pre-stage component for separating carbon dioxide from gas, a post-stage component for adsorbing the carbon dioxide separated by the pre-stage component, and a gas pump. By setting a separation membrane to separate carbon dioxide from the gas, the gas entering the post-stage component has a higher carbon dioxide content and lower impurity content, which facilitates rapid adsorption of carbon dioxide by the adsorbent, thereby improving the stability of the mining carbon neutralization device during operation and increasing the gas treatment efficiency.

The utility model discloses a waste gas recycling device for carbon neutralization, which comprises a refrigerating machine, the refrigerating machine is connected with a gas reservoir through a guide pipe, a gas outlet of the gas reservoir is connected with a vertical pipe, a gas outlet of the vertical pipe is connected with a gas storage tank through a guide pipe, seven gas outlet connectors are arranged on the vertical pipe, and the gas storage tank is connected with the gas storage tank through a guide pipe. The seven gas outlet connectors are connected with seven gas storage tanks through seven guide pipes correspondingly, and the seven gas outlet connectors in the vertical pipe are in butt joint with a first gas outlet pipe, a second gas outlet pipe, a third gas outlet pipe, a fourth gas outlet pipe, a fifth gas outlet pipe, a sixth gas outlet pipe and a seventh gas outlet pipe correspondingly. Carbon-neutralized waste gas is liquefied through the refrigerating machine, then various liquid gases are sequentially gasified by controlling the temperature interval, and various gases are collected through the corresponding gas storage tanks, so that the waste gas is thoroughly separated, and the gases can be recycled.

The invention relates to the technical field of renewable energy source hydrogen production and carbon capture, discloses a wind-light-storage coordinated green hydrogen-carbon dioxide methanol coupling system and an LSTM-digital twinborn optimization method, and belongs to the technical field of renewable energy source and carbon neutralization. The system comprises a wind and light storage and power generation module (100), an alkaline / PEM mixed electrolytic hydrogen production module (200), an ethanolamine-membrane separation coupled CO trapping module (300), a methanol synthesis module (400) of a rare earth modified catalyst and an intelligent control module (500). 10%-110% dynamic load adjustment of an electrolysis system is achieved through an LSTM algorithm, the CO trapping purity is larger than or equal to 99.5%, 35% of conversion per pass is achieved through a CeO-LaO modified Cu-Zn-Al catalyst under the conditions that the temperature is 220-280 DEG C and the pressure is 5-8 MPa, and the hydrogen-carbon ratio is optimized to 2.05 + / -0.02 in real time through a digital twin platform. Compared with a traditional process, CO emission is reduced by 100%, the service life of the catalyst is prolonged to 8000 hours, comprehensive energy consumption is reduced by 40%, and the method is suitable for large-scale production of green methanol with the annual output of more than 50,000 tons.

To solve such problems that although it is known to use crushed shells for a part of an aggregate of a construction material, there has been no consideration from the viewpoint of so-called carbon neutral such as reducing carbon dioxide (CO2) absorbed by shellfish in water such as in the ocean, without releasing it into the atmosphere or seawater, accordingly an amount of CO2 absorbed by shells from an environment during their growth has not been taken into account.SOLUTION: In order to grasp an amount of CO2 absorbed by shells from an environment during their growth, the amount of CO2 absorbed by the shells during their growth is calculated by multiplying a weight of the shells by a content ratio of calcium carbonate, and further multiplying the product by a value obtained by dividing a molecular weight of carbon dioxide by a molecular weight of calcium carbonate. In this way, an amount of CO2 sealed and fixed in a construction material is grasped. An amount of CO2 generated during production of the construction material is compared with the amount of CO2 sealed and fixed in the construction material, or a difference between the two is detected and displayed.SELECTED DRAWING: Figure 1B

This invention discloses a carbon neutrality analysis method and system, relating to the field of carbon neutrality technology. The method includes the following steps: S1, Enterprise carbon emission tracking: setting up data collection points at various stages of an enterprise to collect carbon emission data in real time, and integrating and storing it through a blockchain platform; S2, Full gas coverage monitoring and accounting; S3, Dynamic modeling and prediction. This carbon neutrality analysis method and system employs system dynamics to construct a dynamic carbon neutrality analysis model, capable of capturing the dynamic interactions between factors such as carbon emissions, carbon absorption, technological progress, and policy changes. By simulating the evolution of carbon neutrality paths under different scenarios, the model can predict and analyze the achievement paths and feasibility of carbon neutrality targets under different scenarios, providing valuable decision support for policymakers and enterprises, and contributing to the successful achievement of climate goals.

The invention discloses a product full life cycle carbon cost accounting method and system, and an electronic device. The method comprises the steps of obtaining carbon emissions of a product in different life cycle links based on carbon emission factors of the product in different life cycle links; determining carbon cost factors of different life cycle links; determining the carbon emission cost of each life cycle link based on the carbon emission of each life cycle link and the corresponding carbon cost factor; and determining the total carbon emission cost based on the sum of the carbon emission cost of each life cycle link. According to the method, the carbon footprint of the whole period of the product can be tracked, core technical support can be provided for sustainable development of enterprises under the carbon neutralization background, and the method has remarkable technical innovation and industry application value.

This invention relates to the fields of data processing and remote sensing information processing technology, specifically to a remote sensing carbon source and sink monitoring and assessment method based on a multimodal hybrid expert model. The method includes: feature extraction from multi-source remote sensing data (hyperspectral, visible, and infrared); multimodal fusion of the extracted features; construction of a large-scale multimodal hybrid expert carbon source and sink model using a hybrid expert partitioning sparsity processing mechanism to detect and segment carbon source and sink changes, obtaining a carbon source and sink distribution map; assessment of annual carbon emissions / absorption rates for different types of land cover using a combination of source and sink distribution and ground measurement data; and calculation of regional carbon emissions and absorption based on land cover type area and annual carbon emissions / absorption rates to obtain carbon flux assessment results. This invention can be applied to carbon metering, regional carbon emission inventory compilation, and carbon neutrality effectiveness assessment, providing technical support for achieving the "dual carbon" goal and improving the effectiveness of remote sensing carbon source and sink monitoring and assessment.

The invention provides a pumped storage power station full life cycle dynamic carbon emission reduction effect evaluation method, and relates to the technical field of carbon emission reduction effect evaluation. The method comprises the following steps: firstly, acquiring related data of a decommissioned power station, and constructing a decommissioned carbon emission prediction model to predict the carbon emission of a to-be-evaluated power station in maintenance and decommissioning stages; secondly, analyzing the material consumption of the to-be-evaluated power station in the construction stage, and calculating the carbon emission. Thirdly, evaluating the annual carbon emission of the radiation power station in the same network with the power station, determining the reference annual carbon emission when no power station exists, and calculating the carbon emission reduction of the whole life cycle of the power station by integrating the data; and obtaining the ecological influence cost increment, the carbon neutralization income and the total reduction amount of the production cost of the whole life cycle of the power station, and comprehensively evaluating the four indexes of the carbon emission reduction amount, the ecological influence cost increment, the carbon neutralization income and the total reduction amount of the production cost of the whole life cycle of the power station by using an analytic hierarchy process, so as to judge the carbon emission reduction effect of the power station.

The present application relates to the technical field of model construction, and more particularly to a method and system for constructing a carbon peak and carbon neutral path evaluation model and a medium. The method comprises the following steps: obtaining regional energy consumption, industrial structure and carbon emission source monitoring data, constructing a basic data set, and forming a source-by-source carbon emission inventory through item-by-item measurement; correcting the inventory based on an emission factor library to obtain standard carbon emission data; constructing a parameter matrix including energy substitution rate, industrial adjustment coefficient and emission reduction technology penetration rate, and performing coupled operation to generate multi-scenario carbon emission evolution results; determining the carbon peak time node and carbon neutral path through time series fitting analysis, and finally constructing a path evaluation model and outputting the evaluation results. Through source-by-source correction, disturbance modulation and multi-dimensional parameter coupling analysis, the present application realizes multi-scenario accurate simulation and path optimization evaluation of carbon emission evolution, thereby significantly improving the accuracy of carbon peak and carbon neutral path prediction and decision support capability.

The application relates to the technical field of tail gas treatment, in particular to a method and system for carbon neutralization in lime kiln tail gas; the method comprises the following steps: obtaining liquid steel slag after a converter and lime kiln tail gas respectively; performing pressure swing adsorption on the lime kiln tail gas to obtain first CO2 gas; introducing the first CO2 gas into the first treated steel slag to perform an oxidation-reduction reaction, then performing second heat exchange and post-treatment to obtain second CO2 gas and CO gas respectively; returning the second CO2 gas to the blowing to realize carbon cycle; collecting and storing the CO gas to realize carbon neutralization; the system comprises a lime kiln tail gas collecting part, a steel slag reaction part, a gas treatment part and a control part; the utilization of CO2 in the lime kiln tail gas can improve the heat energy utilization rate of the steel slag.