704 results about "Fossil fuel" patented technology

A system and method for efficiency and revitalization of power plant assets allows for existing fossil fuel burning power plants to operate in tandem with renewable power sources and to operate at a consistent base load. The system and method reduce fossil fuel burning power plant power / load cycling and improve efficiency, increase power plant useful lifetime, and reduce emissions. The system and method allow for substantially consistent power output regardless of power demand and power supply generation from existing fossil fuel burning power plants and renewable energy sources supplying a common grid.

The present disclosure provides an energy storage energy system, which converts energy into cold power and / or heat power by utilizing an energy storage mode and stores the cold power and / or heat quantity. The stored cold power is used for a technology and a cold source of an existing freezing or air conditioner refrigeration industry; the stored heat power is used for a technology and heat source of an existing heating or heat supply industry. The energy storage energy system of the present disclosure adopts a large amount of wind power and photovoltaic power generation electric energy. The heat storage is applied to a current heating or heat supply market for sales which is mainly coal-fired. Cold storage subverts the existing refrigerant compression cycle technology, replaces refrigeration compressor freezing and air conditioning refrigeration systems; heat storage subverts boiler heat supply technology, replaces fossil fuel boiler heating and heat supply systems.

The invention provides a fused salt heat storage coupled compressed air energy storage cooperative power generation system and a control method thereof.The fused salt heat storage coupled compressed air energy storage cooperative power generation system comprises a data acquisition module, a multi-target optimization decision algorithm based on dynamic programming, an energy distribution module, a dynamic adjustment module and a safety protection module; a multi-objective optimization decision algorithm based on dynamic programming automatically switches system working modes, an energy distribution module optimizes fused salt and air flow of a high-temperature fused salt air heat exchanger, and a dynamic adjusting module adjusts fused salt pump flow, compressor rotating speed and valve opening in real time. And the safety protection module is used for monitoring and preventing over-temperature, fused salt solidification and pipeline corrosion. The problems that in the prior art, a fused salt heat storage type photo-thermal power generation system is insufficient in heat storage capacity under the extreme weather condition, a compressed air energy storage system depends on fossil fuel, the afterburning efficiency is low, and the energy loss is caused due to the low system coupling degree can be effectively solved.

The invention belongs to the field of catalyst preparation, and provides a preparation method for rapidly synthesizing a self-supporting high-entropy alloy difunctional electrocatalyst through Joule heat. The prepared FeCuRu-coated Ni1Co1-TPA is benefited from rich active sites, and the high conductivity of effective electron transfer and transmission is achieved. The catalyst shows excellent HER and OER catalytic performance under an alkaline condition, and the current density of 500mA cm <-2 > can be realized by only needing overpotentials of 120mV and 350mV, which is superior to those of a standard noble metal catalyst Pt / C and RuO2. In addition, when the composite material is used as a bifunctional electrocatalyst for electrolyzing water, the composite material shows excellent catalytic activity for electrolyzing water. The method has important significance for realizing the social renewable development target and developing clean and sustainable energy resources to replace fossil fuel.

The invention discloses a regional carbon emission responsibility determination method and device based on a carbon emission factor, terminal equipment and a storage medium. The method comprises the following steps: acquiring the electric power type, the called-in electric power total amount, the called-out electric power total amount, a first carbon emission factor, the net consumption data of fossil fuel, fuel characteristic parameters, the fuel type number, the transaction electric quantity, the local power generation amount and the non-green power utilization electric quantity of a target area; calculating the total direct carbon emission according to the net consumption data, the fuel characteristic parameters and the fuel type quantity; calculating the total indirect carbon emission according to the electric power type, the total called-in electric power, the total called-out electric power and the first carbon emission factor; calculating a regional power average carbon emission factor of the target region according to the transaction power quantity, the local power generation quantity, the total direct carbon emission quantity and the total indirect carbon emission quantity; and according to the regional power average carbon emission factor and the non-green power consumption quantity, the carbon emission responsibility of the target region is checked. According to the invention, accurate accounting of electric power carbon emission is realized.

Disclosed herein are systems and methods of gas sequestration of carbon dioxide from a fossil-fueled hydrogen production plant. The method includes producing at least hydrogen and carbon dioxide above ground from a fossil-fueled hydrogen production plant, injecting at least a portion of the hydrogen and carbon dioxide produced from the fossil-fueled hydrogen production plant into a geological hydrogen storage unit and a geological carbon dioxide storage unit, respectively, wherein the portion of the carbon dioxide is injected concurrently with the portion of the hydrogen. The injection of the portion of carbon dioxide and hydrogen underground are performed through carbon dioxide injection well(s) and hydrogen injection well(s), respectively, wherein a hydrogen injection wellhead(s) and a carbon dioxide injection wellhead(s) are located on a multi-well pad proximate the fossil-fueled hydrogen production plant.

The invention relates to a two-stage robust optimization configuration method of an integrated energy system and related components, and belongs to the technical field of integrated energy system optimization, and the method comprises the steps: constructing output models of a plurality of devices based on the integrated energy system; determining an optimization target based on the operation cost of the integrated energy system, and constructing a two-stage robust optimization configuration model according to the optimization target; a column sum constraint method Camp is adopted; and solving the two-stage robust optimal configuration model by the CG to obtain an optimal configuration result of the integrated energy system. According to the method, the conservative degree of the system can be flexibly adjusted, and a conservative economic optimal solution which still meets the safe operation constraint of the system in a severe environment is provided for investors; a near-zero-carbon electricity-heat-cold comprehensive energy system model is provided, an air source heat pump is adopted for providing cold / heat loads, fossil fuel is prevented from being used, and carbon emission is effectively reduced.

It has been discovered that use of a single reactor for melting waste plastics and pyrolyzing the melted waste plastics can lower the carbon footprint of a chemical recycling facility. More particularly, by melting and pyrolyzing in the same reactor vessel, one may mitigate the need for additional heat sources, thereby decreasing the potential need to combust additional fossil fuels for heating purposes. Consequently, by utilizing the plastic liquification and pyrolysis reactor described herein, one can lower the carbon footprint of the chemical recycling facility described herein.

A hybrid power generation system in one embodiment comprises a green boiler containing a thermal mass composition operable to store thermal energy, a solar energy collection system which absorbs solar energy to heat a first working fluid and in turn the thermal mass composition, and a power generation system comprising a steam turbine coupled to an electric generator to produce electricity and a nuclear steam supply system which convert a second working fluid comprising water from liquid to steam. Steam output by the nuclear steam supply system flows through the green boiler and is heated by absorbing heat from the thermal mass composition to increase the enthalpy of the steam and concomitantly electric power output from the turbine-generator. The nuclear steam supply system and green boiler may be retrofit to replace existing fossil fuel steam generation systems while retaining the energy conversion part of the fossil power plant.

The invention provides a metallurgical chemical solid waste pretreatment vertical electric heating roasting furnace device and a using method thereof.The furnace body is of a hollow cylindrical vertical structure, a barrel is divided into a solid reduction area, an oxidation reduction area and a furnace charge preheating area, the barrel of the solid reduction area and the barrel of the oxidation reduction area are surrounded by flat rectangular red copper pipes, and an auxiliary induction bar is arranged in the center of the barrel; and the feeding and discharging device is connected to the PLC automatic control module. The power supply control and heat supply device is connected with the red copper pipe through a silicon controlled rectifier medium-frequency power supply, and an air supply and exhaust device, a temperature control device and a sealing device are additionally arranged. Fossil fuel is replaced by electric heating, carbon emission is reduced, environmental protection is achieved, temperature control is accurate, heat efficiency is high, and energy consumption and cost can be saved. One set of equipment is suitable for different solid waste raw materials, pretreated products are obtained through different roasting methods, the equipment is simple, investment is saved, the technological process is short, applicability is high, heating is even through the structural design, sealing is good, continuous production can be achieved, and heat efficiency and production efficiency are improved.

The invention discloses an overhead transmission line engineering construction carbon emission calculation method based on a full life cycle method. The calculation method comprises the following steps: S1, selecting GB / T 51366-2019 Building Carbon Emission Calculation Standard as an overhead transmission line carbon emission calculation criterion; s2, combining calculation standards, selecting a full life cycle method as a theoretical basis, and taking a carbon emission factor method as a main calculation method to carry out combined calculation; s3, carbon emission factors of electric energy, fossil fuel, mechanical equipment and building materials are compared in detail, and finally a carbon emission factor list suitable for overhead transmission line engineering construction is established; according to the method, the carbon emission is divided into three key stages, namely vehicle transportation, a construction process and building material use, on the basis of a full life cycle method, the complexity of analysis of main components and the overall structure of the overhead transmission line is simplified, the calculation workload and the calculation cost are reduced, and the method has wide applicability.

According to the new energy power generation and electricity hydrogen hybrid energy storage integrated comprehensive energy system, new energy is used for power generation, and a methane cracking hydrogen production device is used for converting methane into hydrogen to serve as a raw material to be used for power generation of a fuel cell and a micro gas turbine. The problems that due to randomness, volatility and intermittency of wind energy and solar energy, stability energy storage equipment lacks, power supply reliability is reduced, and power supply quality is affected are solved. In addition, the fuel cell and the micro gas turbine take hydrogen as fuel and cannot consume fossil fuel, so that carbon emission and pollution are reduced. Meanwhile, compared with hydrogen production through electrolysis of water, hydrogen production through methane conversion by the methane cracking hydrogen production device, complexity in the energy conversion process is reduced, and the overall energy utilization efficiency is improved. A methane cracking hydrogen production technology is introduced, so that the yield and quality of hydrogen are improved, and the whole process is green, environment-friendly and pollution-free. According to the invention, the energy utilization rate is improved while the carbon emission is reduced.

The invention discloses biomass charcoal prepared through pyrolysis-water quenching and a method for preparing iron ore pellets through the biomass charcoal, and belongs to the technical field of iron ore pellet production. Biomass raw materials are pyrolyzed, pyrolytic carbon generated through pyrolysis is rapidly subjected to water quenching at the pyrolysis temperature, then filtering separation, drying and grinding are carried out, and the biomass charcoal is obtained and has the advantages of being low in ash content, low in K and Cl content, high in heat value, low in volatile component content, good in combustion performance and the like, meets the requirement for internal matching of pellets and has the advantages of being environmentally friendly and free of pollution. The coal-based fossil fuel can completely or partially replace fossil fuel for use, and the dependence on the coal-based fossil fuel and the emission of CO2 and pollutants in the iron ore pellet production process are reduced on the premise that normal production of the iron ore pellets is not affected.

The invention relates to the technical field of fuels and additives thereof, in particular to an alcohol fuel with a catalytic effect and an additive thereof.The alcohol fuel with the catalytic effect comprises C1-C7 alcohol and hydrocarbon, and a rare earth compound catalytic material is used in the fuel; the rare earth compound comprises a hydroxyl group or a phenyl group or a C5-C25 group or a carboxyl group or an amino group or a metal, the alcohol fuel is high in formula calorific value adjustable calorific value, can well adapt to an internal combustion engine or an engine for testing the alcohol fuel, is a novel alternative energy with potential, and can be used for preparing the alcohol fuel. The environmental protection problem of fossil fuel is solved, and the fuel efficiency is accelerated.

The invention relates to environmental protection monitoring, in particular to a method for analyzing a black carbon source, which comprises the following steps: step 1, collecting data in n periods, in each period, enabling a light absorption coefficient bji to correspond to a wavelength lambda i, i = 1, 2... N, obtaining a coefficient kj and an absorption index alpha j corresponding to each period Tj, j = 1, 2... n, alpha ff = (alpha j) min, and alpha bb = (alpha j) max; step 2, acquiring kjff corresponding to each period according to the data acquired in each period and the coefficients kj, alphaff and alphabb; step 3, acquiring kjbb = kj-kjff corresponding to each period Tj, wherein kjbb = kj-kjff; 4, the contribution ratio BCjbb,% of the biomass to the black carbon concentration and the contribution ratio BCjff,% of the fossil fuel to the black carbon concentration corresponding to each period Tj are obtained. The method has the advantages of accurate analysis and the like, and is applied to black carbon source analysis.

The invention discloses a construction waste treatment system and method based on cement kiln co-processing, the system comprises a construction waste treatment system, a light substance crushing system, an alternative fuel conveying treatment system, a raw material conveying system and a cement production system, and the system is provided with two construction waste feed ports, so that decoration waste can be treated, and the construction waste can be recycled. The garbage can be demounted, and the adaptability is wide; according to the construction waste treatment system, the construction waste is thoroughly treated by fully utilizing the characteristics of cement production, no waste is discharged, the construction waste is treated into aggregate, powder and light substances through the construction waste treatment system and the light substance crushing system, and the generated aggregate and powder can be used as raw materials for cement production; produced light substances are used as alternative fuel for cement production, so that the resource recycling rate is greatly increased, and the cement production cost is reduced; and meanwhile, the system can reduce the consumption of fossil fuel and obviously reduce carbon emission.

The invention relates to the technical field of virtual power plants, and discloses a virtual power plant load prediction and optimization control method, which comprises the following steps: obtaining historical operation load data of a virtual power plant for characteristic decomposition to obtain a trend component, a seasonal component and a residual component, inputting the trend component, the seasonal component and the residual component into a load prediction model based on LSTM (Long Short Term Memory), and obtaining a load prediction value in a future set time period; calculating theoretical output of renewable energy sources to determine supply and demand conditions of energy supply and load prediction values; controlling energy storage charging or discharging and controlling the fossil fuel generator set to be started or stopped by combining the peak and valley conditions of the load prediction value; actual operation data of the virtual power plant are collected in real time, deviation meeting the predicted value is compared, and the energy storage charging and discharging strategy and the fossil fuel generator set output strategy are adjusted. According to the method, by accurately capturing load characteristics and cooperatively optimizing a multi-energy scheduling and dynamic adjustment mechanism, the operation stability and economy of the virtual power plant are improved, the energy waste is reduced, and the adaptability to a power system is enhanced.

The invention relates to the technical field of transformer substations, in particular to a transformer substation multi-node energy consumption prediction method, which comprises the following steps that: a data acquisition and integration module collects energy consumption data, meteorological data and equipment state data from multiple channels of a transformer substation monitoring system, a meteorological system and historical energy consumption records, and integrates the energy consumption data, the meteorological data and the equipment state data; extracting features helpful for energy consumption prediction from the original data; by accurately predicting the energy consumption of each node of the transformer substation, the energy distribution of the electric power system can be better managed, unnecessary energy waste is reduced, the energy utilization efficiency is improved, the energy consumption prediction is beneficial to optimizing the operation strategy of the electric power system, reducing the use of fossil fuel, and further reducing the emission of greenhouse gases. The method has positive influence on environmental protection and climate change coping, energy conservation and emission reduction are achieved, meanwhile, the operation cost of a power system can be reduced, economic benefits are improved, and power waste and economic losses caused by too high energy consumption can be avoided through prediction and optimization.

The present invention discloses a method for injecting biomass fuel into a blast furnace, wherein the mixed fuel obtained by replacing part of the fossil fuel with biomass shaped fuel that has not been carbonized at high temperature is injected into the blast furnace from the tuyere of the blast furnace through an injection device to complete combustion and smelting reactions. The method of the present invention can reduce the use of fossil fuels, reduce carbon emissions and SO2 pollution without affecting smelting indicators. The implementation process does not require the introduction of carbonization equipment, eliminates the grinding and powder transportation process of pipeline fuel transportation, explosion-proof safety, and environmental protection links, saves a lot of investment and operating costs, has high safety and reliability, high economic utilization value, and can achieve economic and green smelting.

The invention discloses a space radiant energy collection and conversion system, which relates to the technical field of energy conversion, and comprises a motor, a main shaft, a steam turbine, an expansion machine and a synchronous generator, a clutch I and a clutch II are respectively mounted on the main shaft on the right side of the motor and the left side of the steam turbine; and a transmission I, a transmission II and a transmission III are sequentially mounted on the main shaft between the clutch I and the clutch II. According to the space radiant energy collection and conversion system, energy sources are infinite, and radiant energy in air and water is utilized and is an inexhaustible energy source; the cost is extremely low: the cost of generating one kilowatt-hour can be reduced to one minute; the system does not depend on fossil fuel, and pollution of exhaust emission to the nature is avoided.

The invention discloses a micro-grid measurement and control method and system based on the Internet of Things, and the method comprises the steps: obtaining a power grid distribution diagram in an industrial park, collecting the operation data of an operation device in each factory in real time, and obtaining the production plan and environment data of each factory, dividing the interior of the industrial park into a plurality of micro-grids based on the power grid distribution diagram, analyzing the influence of the production plan and the environmental data on the power demand of each factory, obtaining a power demand prediction model of each operation device, putting the production plan into the corresponding power demand prediction model, and predicting the power demand of each operation device according to the power demand prediction model. According to the method, the power consumption demand of each factory in each time period in the future is obtained, the power consumption demand is compared with the electric quantity output in the corresponding micro-grid, and an energy supply and demand balance graph among the micro-grids is formulated, and the method has the advantages of reducing dependence on fossil fuel and improving the energy utilization efficiency.

The present document related to the processing of materials, such as ash waste, mining waste, consumer waste, or industrial waste, to separate valuable components. There is provided a process and system for extracting a valuable component, such as rare earth elements (REE) from a feedstock comprising REE-embedded material. The process can comprise subjecting the feedstock to a kinetic pulverization stage wherein the feedstock is subjected to self-collisions created by vortices within the kinetic pulverizer to produce a pulverized material; and subjecting the pulverized material to an extraction stage to produce a valuable component-rich stream and a valuable component-depleted stream. There is also provided processes for separating REEs from fossil fuel ash and municipal solid waste incinerator (MSWI) ash to produce an REE-enriched component, which can be separated into individual REE components, and a REE-depleted material.

The invention provides a method for producing fuel oil through pyrolysis of fuel oil and photo-thermal concerted catalysis plastics. The method comprises the following steps: (1) pyrolyzing plastic to obtain pyrolysis steam; (2) carrying out catalytic reaction on the pyrolysis steam in the presence of a catalyst under illumination to obtain a mixed product; and (3) condensing the mixed product to obtain the fuel oil. According to the method, the high-quality fuel oil is prepared by taking plastic or waste plastic as a raw material, the problem of increasing shortage of fossil fuel is relieved while environmental pollution is reduced, and meanwhile, the selectivity of gasoline and aviation oil in pyrolytic oil is effectively improved, so that the quality of the oil is remarkably improved.

Systems and methods for eliminating carbon dioxide and capturing solid carbon are disclosed. By eliminating carbon dioxide gas, e.g., from an effluent exhaust stream of a fossil fuel fired electric power production facility, the inventive concepts presented herein represent an environmentally-clean solution that permanently eliminates greenhouse gases while at the same time producing captured solid carbon products that are useful in various applications including advanced composite material synthesis (e.g., carbon fiber, 3D graphene) and energy storage (e.g., battery technology). Capture of solid carbon during the disclosed process for eliminating greenhouse gasses avoids the inefficiencies and risks associated with conventional carbon dioxide sequestration. Colocation of the disclosed reactor with a fossil fuel fired power production facility brings to bear an environmentally beneficial, and financially viable approach for permanently capturing vast amounts of solid carbon from carbon dioxide gas and other greenhouse gases that would otherwise be released into Earth's biosphere.

The invention relates to the technical field of carbon footprint accounting, in particular to a cargo carbon footprint life cycle accounting model method for port loading and unloading operation. The method comprises the following steps: determining basic parameters; establishing a carbon footprint life cycle analysis model; consumable consumption data and consumable transportation data are collected, and raw and auxiliary materials are calculated to obtain carbon footprints; fossil fuel data and dissipation source data are collected, and fossil fuel data and dissipation source carbon footprints are calculated; collecting energy use data such as electric power, heating power, water and steam, and calculating an energy use carbon footprint; and finally obtaining the total on-port operation carbon footprint. And based on the carbon footprint life cycle analysis model, calculating the carbon footprint per unit of goods. According to the cargo carbon footprint life cycle accounting model method for the port loading and unloading operation, the carbon emission of each unit of cargo loading and unloading operation is comprehensively and accurately calculated by constructing a carbon footprint life cycle analysis model and finely processing data.

A hybrid power generation system in one embodiment comprises a green boiler containing a thermal mass composition operable to store thermal energy, a solar energy collection system which absorbs solar energy to heat a first working fluid and in turn the thermal mass composition, and a power generation system comprising a steam turbine coupled to an electric generator to produce electricity and a nuclear steam supply system which convert a second working fluid comprising water from liquid to steam. Steam output by the nuclear steam supply system flows through the green boiler and is heated by absorbing heat from the thermal mass composition to increase the enthalpy of the steam and concomitantly electric power output from the turbine-generator. The nuclear steam supply system and green boiler may be retrofit to replace existing fossil fuel steam generation systems while retaining the energy conversion part of the fossil power plant.

Provided herein are processes and systems related to a carbon dioxide sequestration process comprising a) calcining limestone using fossil fuel instead of an input to form a mixture comprising lime and a gas stream comprising greater than about 30 vol% carbon dioxide; and b) treating the mixture comprising lime with the atmosphere and allowing carbon dioxide from the atmosphere to react with the mixture and form a composition comprising calcium carbonate, calcium bicarbonate, or a combination thereof. Also provided herein are processes and systems related to a carbon dioxide sequestration process comprising a) calcining limestone using fossil fuel instead of an input to form a mixture comprising lime and a gas stream comprising greater than about 30 vol% carbon dioxide; and b) treating the mixture comprising lime with natural water and allowing carbon dioxide dissolved in the natural water to react with the mixture to form a composition comprising calcium carbonate, calcium bicarbonate, or a combination thereof.

The invention discloses an electric power, carbon and fossil fuel scheduling method and system based on a co-integration theory. The method comprises the following steps: acquiring a market price sequence in an electric power transaction period; based on a co-integration theory, co-integration vectors among the market price sequences are calculated; establishing a comprehensive power generation cost index model according to the market price sequence; and according to the co-integration vector, optimizing the comprehensive power generation cost index model, and generating a scheduling scheme of the power material. By adopting the embodiment of the invention, the long-term equilibrium relationship and the short-term dynamic adjustment characteristics among the prices of the electric power, the carbon and the fossil fuel can be analyzed based on the co-integration theory, the original information can be reserved as much as possible, the relevance among markets can be accurately captured, and the market competitiveness can be improved. And electric power materials such as carbon and fossil fuel are optimally dispatched according to a co-integration analysis result, so that the economic and environmental values can be improved.

The invention discloses an aviation kerosene production method based on vinasse waste, and belongs to the technical field of kerosene preparation, and the aviation kerosene production method comprises the following steps: pretreatment: screening and cleaning vinasse, removing impurities and water, then crushing the cleaned vinasse into particles, and drying and baking by using drying equipment; pyrolyzing: feeding the pretreated vinasse into a pyrolyzing furnace for pyrolyzing; gas purification: purifying the separated gas to remove sulfides and nitrides in the gas; fischer-Tropsch synthesis reaction: introducing the purified gas into a Fischer-Tropsch synthesis reactor to form hydrocarbon molecules; separating products: separating hydrocarbons in different boiling point ranges; product refining: further processing the separated hydrocarbon products; waste treatment: solid carbon black generated in the pyrolysis process is recycled. The device provided by the invention can reduce the dependence of existing aviation kerosene production on traditional fossil fuel, saves energy, reduces carbon emission, and is beneficial to sustainable development.

A conveying device used for fuel in a fossil fuel power station. The conveying device comprises a bearing unit (100), which comprises a base component (101), a support bed (102) arranged on a side face of the base component (101), a plurality of bearing components (103) arranged on the support bed (102), driving wheels (104) symmetrically arranged at two ends of the support bed (102), and a conveyor belt (105) sleeved on the two driving wheels (104); and a conveying unit (200), which comprises a conveying component (201) located above the base component (101) and four helical guide blades (202) arranged inside the conveying component (201), wherein the four helical guide blades (202) are helically distributed in a staggered manner inside the conveying component (201). The present invention changes the manner in which fuel is vertically conveyed during a conventional conveying process. The helical guide blades (202) in a helical arrangement are used to buffer vertically falling fuel, thereby reducing the impact of the fuel on the conveyor belt (105) and prolonging the service life of the conveyor belt (105); and by means of providing fuel shifting units (400) to push and stir the fuel in conveyance, the occurrence of a blockage in the conveying unit is effectively avoided, and the conveying effect is ensured.