159 results about "Carbon neutrality" patented technology

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 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 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 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.

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.

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 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.

This invention provides a method and apparatus for verifying the green electricity occupancy of smart rail shared charging stations. The method includes: acquiring time-slice energy metering data of the shared charging station; dividing smart rail vehicle charging events into time slices and calculating the total charging amount within each time slice; calculating the allocatable green electricity for a single charging event based on the time-slice energy metering data and the total charging amount within each time slice; calculating the upper limit of green electricity that a smart rail object can occupy based on the allocatable green electricity for a single charging event and the actual operational allocation of the vehicle after charging; and verifying the green electricity occupancy of the project based on the upper limit of green electricity that a smart rail object can occupy within a calculation period, based on physical metering data, charging events, and subsequent vehicle operation data, and thereby determining whether the green electricity occupancy in carbon neutrality declarations, carbon asset declarations, or carbon audits exceeds this upper limit.

The utility model discloses a waste gas treatment device for carbon neutralization, which relates to the technical field of waste gas treatment and comprises an adsorption tank and a waste gas treatment box, the waste gas treatment box is mounted on the adsorption tank and communicated with the adsorption tank, and a waste gas delivery pipe is mounted on one side of the waste gas treatment box. One end of the waste gas conveying pipe is inserted into adsorption liquid in the adsorption tank, a plurality of gas outlet holes are formed in the waste gas conveying pipe, and a rotary drum is arranged at the upper part of the waste gas treatment box. The positions of the upper activated carbon adsorption barrel and the lower activated carbon adsorption barrel can be rapidly replaced through automatic rotation, so that a new activated carbon adsorption barrel can be rapidly used, shutdown operation is not needed in the replacement process, and compared with the prior art, the activated carbon adsorption barrel is more convenient and efficient to replace, and the normal process of waste gas treatment cannot be affected.

This invention discloses a combined energy-saving treatment method for soft soil foundations, creatively integrating air lift and a circulating on-off pump into traditional vacuum preloading. Air lift periodically clears water from the core of the drainage board, ensuring the vacuum load is transmitted along the drainage board without attenuation. The circulating on-off pump causes periodic changes in vacuum level, alleviating clogging and significantly saving energy in the early stages of vacuum preloading. By rationally combining the air lift cycle and the on-off pump cycle, the consolidation pressure is increased and the energy-saving effect is maximized. This invention employs a combined air lift and circulating vacuum loading method for efficient and energy-saving consolidation treatment of soft soil, with broad application prospects and significant social benefits. As a novel energy-saving soft soil consolidation method, it is of great significance for promoting carbon neutrality.

The present invention relates to a data management system for LED streetlights to respond to monitoring of AIoT (AI IoT) LED streetlights and carbon reduction MRV diagnosis, and more specifically, to a carbon emission information management system for LED streetlights that aims to provide a platform for collecting information on LED streetlights, monitoring carbon emissions of LED streetlights based on the collected information, automatically calculating carbon emissions and carbon reduction amounts, and automatically generating reports. The present invention aims to provide an automatic carbon emission calculation management system for LED streetlights that enables carbon emission trading and carbon neutrality response by providing carbon emission and reduction information, by providing a platform that monitors carbon emissions of LED streetlights, automatically calculates carbon emissions and carbon emission reductions based on data collected through monitoring, and provides a tool for automatically generating CDM (Clean Development Mechanism) reports.

A method is described for generating carbon-neutral electricity using purified hydrogen as an energy source. A recyclable LOHC is provided to the process for reversible dehydrogenation. Hydrogen generated by dehydrogenation is purified and electrochemically converted to electricity. Heat for maintaining the dehydrogenation reaction temperature is derived from combustion of a portion of the liquid products from dehydrogenation, the portion combusted being less than or equal to the portion of carbon-neutral component included in the recyclable LOHC.

The utility model discloses an environment monitoring device based on carbon neutralization energy regulation and control, which comprises a fixed base installed on the ground, a fixed vertical rod fixed on the fixed base and a gas sensor, a lifting cavity is arranged in the fixed vertical rod, a lifting mechanism is arranged in the lifting cavity, and the gas sensor is arranged in the lifting cavity. A mounting plate extending out of the fixed vertical rod is arranged on the lifting mechanism, and the gas sensor is arranged at the end part of the mounting plate; according to the utility model, the lifting mechanism is arranged in the lifting cavity in the fixed vertical rod, and the gas sensor is arranged on the mounting plate of the lifting mechanism, so that the height of the gas sensor can be continuously adjusted through the lifting mechanism, air at different height positions can be detected, and the monitoring precision is improved.

The utility model provides a waste gas treatment device for carbon neutralization, and belongs to the technical field of carbon neutralization. The waste gas treatment device for carbon neutralization comprises a treatment box and a dismounting and replacing assembly. An air inlet pipe and an exhaust pipe are communicated with the treatment box, an adsorption box is arranged in the treatment box in a sliding mode, the replacement assembly comprises a transmission part and two racks, the transmission part is rotationally installed in the sealing door, one end of the transmission part is in transmission connection with the two racks, one ends of the two racks are both connected with positioning blocks, and the positioning blocks are connected with the adsorption box. And the surface of the treatment box is connected with a U-shaped block. Carbon neutralization treatment can be conducted on waste gas through an adsorbent in the adsorption box, the treated waste gas can be exhausted from the exhaust pipe, the two racks move relatively through cooperation of the transmission piece and the racks, so that the positioning block is driven to be pulled out of the U-shaped block, the sealing door can rotate without limitation, workers can open the sealing door conveniently, and the working efficiency is improved. The adsorption box is taken out, and the adsorbent is replaced.

The invention relates to the technical field of energy consumption management, in particular to an enterprise energy consumption data driven multi-dimensional carbon neutralization path simulation and decision-making system which comprises an energy consumption data sensing module, an index linkage recognition module, a path structure adjustment module, a control instruction deployment module and a simulation decision induction module. According to the method, the energy consumption data structure with linkage characteristics is constructed through merging and time sequence alignment of the multi-dimensional data of the equipment output power, the product unit energy consumption and the regional carbon emission intensity, the path structure is dynamically adjusted according to the index triggering direction after the data hopping state is identified, and stage path replacement is realized through number matching; and generating an equipment execution instruction by combining the load corresponding to the path number and the control parameter, and synchronously completing comparison and iteration of the simulation path, so that the generation process of the carbon neutralization path has dynamic response capability, jump identification capability and path evolution capability, and the real-time cooperation efficiency between a carbon emission reduction strategy and an energy consumption execution strategy is remarkably improved.

The invention discloses a method for determining the contribution rate of the influence of climate and land cover change on runoff and carbon sequestration, and relates to the technical field of carbon neutralizer.The method comprises the steps that benchmark period meteorological data, benchmark period land cover data, change period meteorological data and change period land cover data of a target drainage basin are utilized; calculating a first runoff variable quantity and a first total primary productivity variable quantity of the target drainage basin in a climate change scene, and a second runoff variable quantity and a second total primary productivity variable quantity of the target drainage basin in a land cover change scene; according to the first runoff variation and the second runoff variation, determining the contribution rate of climate and land cover change to the runoff variation; according to the first total primary productivity variable quantity and the second total primary productivity variable quantity, determining the contribution rate of climate and land cover change to the total primary productivity variable quantity, and determining the contribution rate of the climate and land cover change to the runoff and carbon sequestration influence of the target drainage basin; and the reliability of determining the contribution rate of climate and land cover change to runoff and carbon sequestration is improved.

The application discloses a CO2 storage carrier, a preparation method and a device, which comprise the following components in percentage by mass: quartz: 30.10-40.45%, borax: 8.75-14.3%, calcium oxide: 5.13-7.20%, magnesium oxide: 5.50-7.52%, sodium carbonate: 1.87-3.47%, sodium sulfate: 0.12-0.53%, sodium phosphate: 0.23-0.82%, a stable dispersing agent: 0.06-0.33%, a surfactant: 0.02-0.13%, and water: 35-45%. The application comprises the following steps in the preparation: (1) preparing a slurry; (2) preparing a CO2 storage carrier precursor; and (3) preparing the CO2 storage carrier. The CO2 storage carrier provided by the application can wrap carbon dioxide gas inside, can realize carbon storage, and can help realize the vision of carbon neutrality as soon as possible.

The invention relates to the field of carbon emission management, and provides a carbon emission comprehensive evaluation method considering a carbon neutralization effect, and the method comprises the steps: constructing a carbon neutralization evaluation index; based on the carbon neutralization evaluation indexes, applying an entropy weight method to obtain index weights of different evaluation indexes; a constraint condition is established by considering the positive effect of carbon emission absorption of the green plant coverage area; constructing a data envelope method evaluation model, and evaluating the carbon emission efficiency of different decision units of the target region; and based on the evaluation indexes, clustering analysis is applied to classify different decision units. The method is used for overcoming the defects that carbon emission evaluation in related technologies neglects contribution of energy consumption to economic growth and does not consider a green plant coverage area carbon neutralization effect. According to the scheme of the invention, the evaluation method is constructed by considering the absorption effect of the urban green plant coverage area on the carbon emission, and a method for classifying, analyzing and evaluating results is established according to the economic development scale, so that a more scientific method is provided for evaluating the regional carbon emission efficiency.