197 results about "Carbon neutrality" patented technology

A computer implemented method and system is provided for achieving carbon neutrality. A service provider creates an emission reduction project plan for generating carbon emission reduction credits. A verification entity verifies compliance of the emission reduction project and generates a verification report. A certification entity authenticates the verification report and generates a certification report. A custodial financial institution reviews documents and title to rights and deposits carbon emission reduction credits into the service provider's carbon credit trading account based on the certification report, the verification report, and title documentation. The service provider creates carbon neutral products with unique identifiers using the carbon emission reduction credits in the pre-created carbon credit trading account. An end user can retire the assigned carbon emission reduction credits by registering their details and the details of their purchase with the service provider using the unique identifier of a purchased carbon neutral product.

The invention provides a regional carbon neutralization calculation method based on carbon revenue and expenditure balance analysis, which is characterized by comprising the following steps: 1, proposing a carbon neutralization construction target of a city or an urban area, namely a carbon sequestration ratio limit value requirement of a region; 2, determining a first scale; 3, performing carbon income and expenditure calculation of the region based on the data in the first scale; 4, calculating a regional carbon sequestration ratio; 5, comparing the carbon sequestration ratio calculated in the step 4 with the carbon sequestration ratio requirement determined in the step 1; when the calculated carbon sequestration ratio does not meet the requirement of the carbon sequestration ratio, performing optimization according to a carbon neutralization construction strategy, correcting planning and design indexes, and returning the second step; and when the calculated carbon sequestration ratio meets the requirement of the carbon sequestration ratio, ending the calculation. A set of complete composite system quantitative analysis tool in the carbon neutralization region planning and construction process is established, the carbon neutralization realization effect of the carbon neutralization region planning and design scheme is scientifically measured and calculated, and the carbon emissions under different planning and design schemes are compared.

The invention relates to a polypropylene wood plastic environment-friendly pencil and a manufacturing method thereof. The polypropylene wood plastic environment-friendly pencil comprises a pencil core, and a pencil rod which is wrapped around the pencil core, and is characterized in that: the pencil rod is formed by splicing two half bodies, and each half body is made of a wood plastic composite material. The polypropylene wood plastic environment-friendly pencil avoids the problem that a wood pole pencil cannot be used due to core breaking during sharpening caused by coreshift in dadoing of the wood pole pencil, can save a large amount of timber resources, protects the environment and realize the recycling of resources and can also fulfill the aim of carbon neutrality.

The invention discloses a ground source heat pump coupling system based on photovoltaic photo-thermal effects. The ground source heat pump coupling system comprises a grid-connected photovoltaic power generation system, a solar photo-thermal system and a ground source heat pump system. On one hand, a PV/T heat collector 1 converts solar energy into electric energy, the electric energy is supplied to a machine room water pump and a ground source heat pump unit through a photovoltaic controller 2, an inverter 4 and an alternating-current power distribution cabinet 5, electricity can be stored in a storage battery 3 or sold in a public power grid when the electricity is rich, and the electricity can be supplemented by the storage battery 3 and the public power grid when the electricity is insufficient; and on the other hand, after the heat converted by the PV/T heat collector 1 is transmitted to a heat storage water tank 6, the heat is used for supplying hot water through a first heat exchanger 7, when the heat is rich, the heat can be stored in an underground heat storage pipe 15 through a second heat exchanger 16 and used for heating of the ground source heat pump in winter, and when the heat is insufficient, the ground source heat pump can supplement the heat. Compared with a traditional water chilling unit, coal power generation and other modes, the operation cost is reduced, and economic benefits are remarkable, energy consumption and CO<2> emission are reduced, and the national policies of peak carbon dioxide emissions and carbon neutrality are actively responded.

The invention provides a multi-level carbon emission calculation and analysis method and system and a readable storage medium. The method comprises: obtaining multi-level energy consumption related data; performing carbon emission calculation and correction according to the obtained multi-level energy consumption related data, and accurately obtaining carbon emission data of each level; performing carbon emission intensity index calculation according to the carbon emission data of each level to obtain intensity index data of each level; and performing statistical analysis according to the carbon emission data of each level and the intensity index data of each level to obtain an analysis result. The energy consumption related data of each level can be obtained, the carbon emission of each level can be accurately calculated, and data support is provided for making carbon peak reaching and carbon neutralization plans and developing energy saving work for energy consumption units of each level of energy consumption units-district county-prefecture-provincial and municipal-national levels and energy saving competent departments.

The invention relates to integrated methods for direct capture of carbon dioxide and water from the atmosphere and their conversion into value-added products in an economical and carbon negative fashion. In one embodiment of the present invention, a portion of the water captured in a DAC process is treated, bottled, and sold as value-added drinking water, thereby offsetting the cost of the capture process. Preferably the drinking water is bottled in low carbon footprint packaging to offer cost benefit while maintaining overall carbon neutrality or negativity. In other embodiments of the invention, a portion of the captured water is split by photovoltaic electrolysis into hydrogen and oxygen as further value-added products. In other embodiments of the present invention, a portion of the captured carbon dioxide is chemically reduced, preferably utilizing hydrogen from the aforementioned photovoltaic-electrolysis process, to produce methanol for use as a carbon-advantaged fuel.

The invention provides a monitoring identification method and device suitable for carbon emission data, and a storage medium. The method comprises the following steps: obtaining first water consumption data and first power consumption data of a target user in a preset time period; identifying that the label attribute set of the target user comprises clean energy label attributes, and acquiring clean electric energy use information monitored by the first acquisition device within a preset time period; processing the first power consumption data based on clean electric energy use information to obtain second power consumption data, and calculating first carbon emission monitoring data according to the first power consumption data, the second power consumption data, a water consumption conversion value and a power consumption conversion value; identifying that the tag attribute set of the target user comprises a carbon neutralization tag attribute, obtaining the number of planted trees input by a second acquisition device in a preset time period, and calculating carbon neutralization information based on the number of planted trees and a tree planting conversion value; and calculating the first carbon emission monitoring data based on the carbon neutralization information to obtain second carbon emission monitoring data.

The invention provides a deep geothermal exploitation method based on a carbon dioxide medium. The deep geothermal exploitation method comprises the following steps that S1, an injection well and a production well are drilled; S2, the injection well and the production well are fractured; S3, CO2 fracturing is carried out; S4, CO2 heat energy utilization is carried out; S5, cyclic utilization of CO2 is carried out; and S6, CO2 storage is carried out. The method is advantaged in that CO2 is adopted as a fracturing medium and a heat exchange medium, pressure loss and fracturing difficulty in the flowing process of fracturing fluid can be reduced by taking CO2 as the fracturing medium, the heat exchange area of a heat storage stratum can be increased, intercommunication of a micro-fracture network system is promoted, and the reservoir transformation time is saved; meanwhile, CO2 serves as a heat exchange medium, the heat extraction capacity of a heat storage stratum can be improved, a large amount of CO2 can be stored in the underground deep part in the heat exchange process and after heat exchange, and carbon peak reaching and carbon neutralization can be achieved easily.

The invention discloses an electric heating comprehensive energy storage peak shaving system of a coal power unit and a working method. A boiler, a steam turbine, a power generator and an auxiliary system of the coal power unit are coupled with a fused salt energy storage system, so that electric energy and high-temperature steam generated by the coal power unit can be stored in the fused salt energy storage system; and heat energy in the fused salt energy storage system can be output for heat supply and steam supply, or high-temperature steam is generated to be fed into the steam turbine again for power generation, flexible storage and flexible release of electric energy and heat energy are achieved, the adjustment flexibility of the coal power unit is improved, the capacity of the coal power unit for absorbing renewable energy for power generation can be effectively improved, and China is helped to achieve carbon peak reaching and carbon neutralization.

The invention provides a carbon emission calculation method and device based on distributed monitoring, and a storage medium, and the method comprises the steps that a power-carbon distribution service unit obtains power utilization monitoring data of all enterprises in a target region, and classifies the power utilization monitoring data to obtain power utilization information corresponding to each enterprise; a water-carbon distribution service unit obtains water consumption monitoring data of all enterprises in the target area, and classifies the water consumption monitoring data to obtain water consumption information corresponding to each enterprise; a carbon neutralization distribution service unit receives the carbon neutralization data of all enterprises in the target area, and classifies the carbon neutralization data to obtain carbon neutralization information corresponding to each enterprise; and a comprehensive calculation service unit counts the electric carbon emission value, the water carbon emission value and the carbon neutralization value of each enterprise, and calculates the carbon emission in the target area according to the electric carbon emission value, the water carbon emission value and the carbon neutralization value of each enterprise. The method adopts a distributed monitoring structure to calculate the carbon emission of all enterprises in the target area, and has the advantages of high efficiency and accuracy.

The invention discloses an urban energy ecosystem evaluation method and system considering a carbon neutralization trend, and the method is characterized in that the method specifically comprises the following steps: S1, inputting the social economy, government decision and carbon emission data of a certain city; s2, establishing an evaluation index system of the urban energy ecosystem, and performing comprehensive index determination by adopting an analytic hierarchy process and an entropy weight method; s3, performing influence factor index prediction, establishing an optimal exponential smoothing prediction model, and predicting a national energy ecosystem evaluation result; and S4, constructing an example scene according to different urban carbon neutralization implementation conditions, and outputting an urban energy ecosystem evaluation result. According to the method, the current implementation situation of the carbon neutralization policy in China is fully considered, social economy, government decision, carbon emission and other indexes for the urban energy ecosystem are introduced, the connotation of an index system is enriched, and meanwhile the index system is more targeted.

The invention discloses an oil-rich coal in-situ pyrolysis and carbon capture coupling system. The oil-rich coal in-situ pyrolysis and carbon capture coupling system comprises a power station oxygen-rich combustion boiler, a compressor, an air separation device, a heat exchanger, a gas-liquid separation device and a boiler air preheater. In order to solve the problem that fuel with high tar yield such as oil-rich coal is easy to decompose to generate oil gas after being heated, flue gas at the tail of an oxygen-enriched combustion power station boiler is adopted to heat an underground coal seam, so that in-situ pyrolysis oil extraction of coal is realized, and gradient utilization of energy in the in-situ coal pyrolysis process is completed. Oil generated in the pyrolysis process is extracted, other substances are fully utilized, and carbon dioxide is captured. The process of inputting the fuel and outputting electric energy and the oil in the whole system is achieved, and pollutants and the carbon dioxide are not discharged. According to the oil-rich coal in-situ pyrolysis and carbon capture coupling system, in the in-situ pyrolysis process, clean and efficient utilization of the oil-rich coal is achieved, and the goal of energy carbon neutralization is promoted.

A power plant can provide increased power from fossil fuels with reduced increase of the carbon burden. The plant is moveable and is located in a fossil fuel field, either a new field or a “depleted” field.” The CO₂ generated from the plant is compressed to a concentrated fluid and is re-injected into the underground strata from which the fossil fuel is extracted. This reduces the CO₂ emissions from the plant and uses the CO₂ to enhance production from the fuel field. Enormous amounts of oil and natural gas can be recovered from fields considered “depleted.” The infrastructure required to build and operate such carbon neutral moveable power plants can use known components. For “depleted” fields enhanced oil (or gas) recovery (EOR) procedures are highly developed and used throughout the world. The concentrated fluid can be a liquid that is re-injected.

The invention discloses an oil-rich coal underground pyrolysis heat energy recycling system. The oil-rich coal underground pyrolysis heat energy recycling system comprises a combustion chamber, an air separation device, a high-temperature heat exchanger, a waste heat boiler, a gas-liquid separator, a waste heat exchanger and an expansion machine. In order to solve the problem that oil-rich coal and other organic matters with high tar yield are easily decomposed to generate oil gas after being heated, high-temperature flue gas generated by combustion in the combustion chamber is adopted to heat pure nitrogen, and the pure nitrogen is used as a heat carrier to heat an underground coal seam. The nitrogen is adopted for heating, so that oxidation is hardly generated in the pyrolysis process, and extracted oil is conveniently separated from the nitrogen. Heat energy in the pyrolysis process and after the pyrolysis is finished is recycled by components in the oil-rich coal underground pyrolysis heat energy recycling system. In the whole system, only fuel is input, oil is output, other substances and energy are fully utilized, and most of carbon dioxide in the oil-rich coal underground pyrolysis heat energy recycling system is captured. According to the oil-rich coal underground pyrolysis heat energy recycling system, the cyclic utilization of the heat energy in the oil extraction process of the oil-rich coal is realized, the utilization of the oil-rich coal is cleaner, the carbon emission is reduced, and the energy utilization is promoted to advance towards the carbon neutralization direction.

The invention discloses a renewable energy source combination power station and dual-purpose charging and gas filling power distribution network system. The system comprises a hydroelectric generation system, a wind power generation system, a solar power generation system and a biomass power generation system, wherein the generation systems output electric energy to an automobile charging station, and a power supply system is formed; solar energy collection devices of the solar power generation system are distributed in a reservoir and roofs of the other power generation systems; hydrogen produced by a wind and water electricity hydrogen production system is mixed with carbon dioxide and biogas so that the mixture can serve as a gas source which is provided for gas automobiles and civilian gas stations, and a gas source supply system is formed. The renewable energy source combination power station and dual-purpose charging and gas filling power distribution network system is reasonable in arrangement, carbon neutrality is improved through tree planting and the mode that gas generated through water power is combined with carbon dioxide exhausted by a breeding plant and a coal power plant; low-carbon electric power and haze-resistant energy internet, a low-carbon service area and a carbon neutrality methane factory are developed for environmentally-friendly coal power, recycling and low-carbon efficient hydropower and agriculture development, energy revolution is practiced, environmentally-friendly, recycling and low-carbon development is improved, the cost is low, and the effect is good.

The invention discloses a method for calculating the carbon reduction of a photovoltaic reconstructable area of a regional building roof by using a high-resolution remote sensing image, which comprises the following steps of: extracting a building vector diagram through a GF-2 remote sensing image, performing position registration, identifying the registered image by using a DeepLabv3 + network, and then calculating the area of a flat roof and an inclined roof based on an identification result. Building roof parameters, roof photovoltaic parameters and solar radiation parameters are used for modeling and calculating the photovoltaic capacity of the reconstructable roof, and finally a reconstructable roof photovoltaic carbon reduction model is built by combining standard coal consumption, carbon dioxide emission factors of standard coal and the photovoltaic capacity of the reconstructable roof. By means of the method, the carbon reduction amount of the photovoltaic reconstructable area of the building roof can be calculated, the photovoltaic developable capacity and the energy-saving carbon reduction amount are effectively evaluated, the roof photovoltaic power generation potential is predicted, and evaluation of the roof photovoltaic carbon reduction amount under the target of carbon reaching peak and carbon neutralization is achieved.

The invention provides a carbon emission adjusting method and device for an electric power spot market, electronic equipment and a medium. The carbon emission adjusting method comprises the following steps of obtaining the carbon emission quota amount of a thermal power generating unit and the actual carbon emission amount of the thermal power generating unit; and calculating the carbon emission quota profit and loss of the thermal power generating unit according to the carbon emission quota and the actual carbon emission. And adjusting the carbon emission of the thermal power generating unit. Therefore, according to the carbon emission adjusting method and device for the electric power spot market, the electronic equipment and the medium, quantitative evaluation is given out on the carbon emission level of the thermal power generating unit by calculating the carbon emission quota profit and loss; and the carbon emission of the thermal power generating unit is reasonably adjusted according to the carbon emission quota profit and loss, so that the total carbon emission can reach the peak as soon as possible from the macroscopic level, the emission peak value can be reduced as much as possible, and favorable preconditions are created for carbon neutralization.

The invention discloses an urban building carbon neutralization system based on the Internet of Things, and belongs to the field of urban buildings. Comprising an area division module used for dividing an urban building into a plurality of building areas; the environment monitoring module is used for monitoring the environment of the building area to obtain a neutralization gain coefficient of the building area; the neutralization calculation module is used for calculating the carbon neutralization data in the building area to obtain a neutralization value in the building area; the emission calculation module is used for calculating the carbon emission of the carbon emission objects in the building area; and the grade setting module is used for setting the carbon emission monitoring grade of the building area based on the carbon emission amount and the neutralization value to obtain the supervision grade of the building area. According to the invention, the environmental factors of the location of the urban building are effectively combined with the carbon emission and the carbon neutralization of the urban building, so that the accuracy of the carbon data and the carbon emission data is improved; meanwhile, corresponding supervision measures can be set for urban buildings according to the carbon emission data and the carbon neutralization data.

The invention discloses an offshore energy internet based on a flexible direct-current power grid. The offshore energy internet comprises the flexible direct-current power grid, a new energy power supply system connected to the flexible direct-current power grid, and a power utilization system; the power utilization system comprises a hydrogen production system, a ship shore power utilization system, a petroleum drilling power utilization system and a cool, heat and power multi-energy complementary system, wherein direct current of the hydrogen production system is connected into the flexible direct-current power grid, and an alternating current/direct current converter of the petroleum drilling power utilization system is connected into the flexible direct-current power grid. According to the offshore energy internet based on the flexible direct-current power grid of the invention, 100% consumption of new energy in a harbor district can be realized, the consumption proportion of electric energy to terminal energy is greater than 50%, a scheme capable of being popularized and applied on a large scale is formed, and a feasible path is explored for realizing carbon neutralization in the energy power industry.

The invention discloses a negative carbon emission modified immature soil base building block and a manufacturing method thereof, and the negative carbon emission modified immature soil base building block is prepared from active magnesium oxide, cement, fly ash, immature soil and the like. The manufacturing method comprises the following steps: (1) selecting silty soil or clay, silty clay, expansive soil and the like, and passing through a screen with the aperture of 2mm; 2) preparing a mixture of magnesium oxide, cement, fly ash and immature soil according to a mass ratio of 7: 7: 6: 80, uniformly stirring, adding water, and stirring again to obtain a modified immature soil-based material; (3) putting the modified raw soil base material into a customized mold to be pressed into raw soil building blocks; and 4) putting the pressed building blocks into a carbonization box for carbonization treatment. The obtained modified raw soil building block has the characteristics of negative carbon emission, early strength, high performance, recyclability and the like. And the negative carbon emission modified immature soil base building block is environment-friendly, contributes to realizing carbon peak reaching and carbon neutralization, and can be widely applied to the fields of using local materials for earthwork, saving energy, protecting environment and the like.

The invention relates to the technical field of environmental protection, in particular to a method for solving the environmental protection problem in the wood transportation process. The method is characterized by comprising the following steps of S1, installing a marine wood vacuum drying system; S2, connecting the marine wood vacuum drying system with a cabin through a connecting device; S3, stacking wood boards to be dried in a drying chamber; S4, enabling a heat supply device to provide heat energy for drying the wood boards, so that carbon emission is reduced; S5, using a monitoring control system for monitoring the moisture content of each wood board in real time; and S6, using a wood vinegar collecting device for collecting pyroligneous liquor generated during wood board drying treatment. Compared with the prior art, resources and energy needed by drying treatment of wood on land are saved, carbon emission is reduced, waste heat on a ship is used for providing heat for wood drying on the ship, resources are fully recycled, resource consumption and carbon emission are reduced, meanwhile, the pyroligneous liquor beneficial to plant growth is collected, and the carbon neutralization concept is achieved.