423 results about "Fossil fuel" patented technology

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 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.

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 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 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 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.

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.

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.

The invention discloses a direct carbon emission determination method for mixed combustion of fossil fuel and biomass fuel, and relates to the technical field of carbon emission, the method comprises the following steps: determining a mixed combustion mode; the multi-fuel combustion mode comprises solid and solid fuel multi-fuel combustion, solid and liquid fuel multi-fuel combustion, solid and gas fuel multi-fuel combustion, liquid and liquid fuel multi-fuel combustion, liquid and gas fuel multi-fuel combustion and gas and gas fuel multi-fuel combustion; based on the multi-fuel combustion mode, fuel consumption and an emission factor of fuel combustion are obtained, and based on the fuel consumption and the emission factor of fuel combustion, direct carbon emission is obtained through calculation; or the flue gas amount, the volume fraction of CO2 in the dry smoke and the multifuel combustion conversion coefficient are obtained, and the direct carbon emission is calculated based on the flue gas amount, the volume fraction of CO2 in the dry smoke and the multifuel combustion conversion coefficient. According to the method, carbon emission generated by combustion of the biomass fuel can be distinguished, and the carbon reduction effect of the co-combustion biomass fuel can be reasonably and accurately evaluated.

The present inventive concepts comprise a connected, intelligent transfer switch system that permits remote metering, monitoring and control of energy sources connected to a device both by hardwired and wireless connection, and the method for operating this system is disclosed. The inventive concepts represent a significant improvement upon existing transfer switch systems by incorporating advanced monitoring and control capabilities of all energy resources connected to a building, such as fossil-fuel powered generators, battery storage systems, solar photovoltaic arrays, wind turbines, utility grid connections, controllable loads, or other technologies which generate, store or consume energy. The inventive concepts further provide means for flexible and intelligent operation of these resources through a dedicated network communication connection which enables advanced operational decision-making to determine optimal switching actions and real-time interaction through user-facing digital interfaces.

A furnace 1 includes: a first burner group 10 including at least one first burner 11, the at least one first burner 11 injecting a first fuel F1 containing ammonia into a combustion space S and combusting the first fuel F1 at a first air ratio; and a second burner group 20 including at least one second burner 21, the at least one second burner 21 injecting a second fuel F2 containing a fossil fuel into the combustion space S and combusting the second fuel F2 at a second air ratio higher than the first air ratio.

The sustainable hydraulic hose comprises of an inner-tube, reinforcement which renders robustness to the hose to withstand higher pressures and finally the cover compounds which is the exterior most part of the hose. The present invention relates generally to a sustainable hydraulic hose which is substantially minimizing the use of conventional fossil fuel derived raw materials. Nitrile (NBR) / SBR based innertube is used along with Nitrile (NBR) / SBR based cover compounds and the hydraulic hose accounts for at least 50 % and extendable up to 80 % sustainability. Unlike conventional hoses, which may use petroleum-based synthetic rubbers, sustainable options often incorporate recyclable or biodegradable materials like elastomers, fillers, rubber additives, plasticizers which is derived from bio- origin without depleting the non-renewable resources and at the same time it is ensured that the hoses meet high standards for both performance and environmental impact, providing users with assurance of their eco-friendly credentials.

The invention discloses a plasma ignition and combustion-supporting cooperated cavity stable combustion ammonia burner which comprises a three-stage plasma ignition and combustion-supporting device and a three-stage fuel and air supply system, and the three-stage plasma ignition and combustion-supporting device comprises a first-stage plasma ignition and combustion-supporting device, a second-stage plasma ignition and combustion-supporting device and a third-stage fuel and air supply system. The second-stage plasma ignition and combustion-supporting device, the third-stage plasma ignition and combustion-supporting device and the three-stage fuel and air supply system are respectively a first-stage fuel and air supply system, a second-stage fuel and air supply system and a third-stage fuel and air supply system. The problems of low flame propagation speed, high ignition energy and the like existing in ammonia fuel combustion at present are solved, stable combustion of pure ammonia can be realized under the condition that hydrogen or other fossil fuels are not doped into ammonia gas by adopting a multi-stage plasma ignition and combustion-supporting device, assisting ammonia combustion and combining a bluff body combustion stabilizer, and a three-stage combustion stabilizing technology is adopted, so that stable combustion of pure ammonia is realized. And the stable combustion range of ammonia gas can be greatly expanded.

The present invention relates to the technical field of aviation kerosene production, and particularly to a production method of aviation kerosene, which includes: gasifying and converting low-carbon raw materials to generate conversion gas; obtaining crude syngas through a water washing and dust removal process for the conversion gas; subjecting the crude syngas to acid gas removal treatment through a purification device to obtain purified gas containing carbon monoxide, hydrogen, and carbon dioxide; using clean energy in an electrolyzer to obtain hydrogen and oxygen, storing and compressing the hydrogen separately, and sending the oxygen to a gasification device for gasification reaction; generating Fischer-Tropsch synthesis feed gas by passing the compressed hydrogen and the purified gas through a Fischer-Tropsch reaction device; and generating aviation fuel, gasoline, and diesel by passing the Fischer-Tropsch synthesis feed gas through a green aviation fuel synthesis reactor, a secondary flash evaporator, and a distillation column. By using low-carbon raw materials as raw materials for bio-aviation kerosene, the present invention can reduce the dependence on fossil fuels and increase the production of bio-aviation kerosene, thereby enabling large-scale promotion.

The invention provides an evaluation method and system for carbon emission factors of fuel and a storage medium, and relates to the technical field of environmental protection and energy conservation, and the method comprises the steps: obtaining a plurality of historical carbon emission factors corresponding to the fuel and historical data of external factors; based on the historical carbon emission factors and the historical data of the external factors, screening out influence factors corresponding to the carbon emission factors from the external factors; based on the influence factors, determining significant influence factors corresponding to the carbon emission factors; matching each significant influence factor with different weight coefficients, and acquiring actual data of each significant influence factor; and determining an actual carbon emission factor based on the weight coefficient and the actual data. Under the condition that the carbon emission does not need to be accurately measured, a professional laboratory is not needed to carry out chemical analysis on the carbon content and the carbon oxidation rate of fossil fuel to obtain the fuel carbon emission factor, the time hysteresis of carbon emission accounting is effectively shortened, and the requirements of enterprises for real-time monitoring of carbon emission and dynamic adjustment of the production process are met.

The invention relates to a compressed air energy storage system based on a high-temperature heat pump and low-melting-point fused salt. The compressed air energy storage system comprises a compression module, a control module and a power supply module. The compression module receives input electric energy and generates a high-pressure air signal and a first medium-low-temperature compression heat signal. The air storage module is connected with the compression module and receives and stores the high-pressure air signal; the first-stage fused salt heat storage module is connected with the compression module, and receives and stores the first medium-low temperature compression heat signal; the evaporator side of the high-temperature heat pump module is connected with the low-temperature section of the first-stage fused salt heat storage module, and part of first fused salt heat medium signals are received to serve as low-temperature heat source signals. The power generation module is connected with the air storage module to receive released high-pressure air signals and connected with the high-temperature section of the first-stage fused salt heat storage module and the condenser side of the high-temperature heat pump module to receive first fused salt heat medium signals and high-temperature heat energy signals correspondingly. The compressed air energy storage system based on the high-temperature heat pump and the low-melting-point molten salt can solve the problems that traditional compressed air energy storage is low in efficiency and depends on fossil fuel and geographical conditions.

A process is disclosed for removing sulfides from liquid fossil fuel comprising mixing the liquid fossil fuel with an oxidizer and catalyst to form a multiphase reaction medium and producing a fluid flow of the multiphase reaction medium. Ultra sound may be applied to the multiphase reaction medium to cause oxidation of sulfides in the liquid fossil fuel to sulfones; and extracting the sulfones to yield an organic phase and aqueous phase. The ultra sound is performed by generating vibrations parallel to the fluid flow of the multiphase reaction medium. The organic phase substantially consists of desulfurized fuel.

An embodiment of the present disclosure provides a comprehensive power generation system that achieves zero carbon emissions, including: a renewable power generation unit, a green fuel preparation device, a thermal power unit, and a carbon capture device. The renewable power generation unit is used to generate electricity using renewable energy. The renewable power generation unit is connected to the green fuel preparation device, which is used to supply electricity to the green fuel preparation device. The green fuel preparation device is used to prepare green fuel. The green fuel preparation device is connected to the thermal power unit. The thermal power unit is used to generate electricity using green fuel and fossil fuel. Part of the carbon capture device is connected to the thermal power unit, and the carbon capture device is used to capture carbon dioxide in the flue gas discharged by the thermal power unit. The green fuel is prepared by the green fuel preparation device and transported to the thermal power unit, so that the green fuel is burned in the thermal power unit without carbon emissions. The carbon capture device captures carbon dioxide in the flue gas generated by the combustion of fossil fuel in the thermal power unit, thereby achieving zero carbon emissions in the zero-carbon power generation system.

A system (10) for generating energy from fossil fuel, including: a combustion engine (32), for converting liquidized fuel (48) to expanding gas (30); a turbine (14), for producing electric energy from the expanding gas (30); a pressure reducer (46), for reducing expansion of the expanding gas (30); and a gas"to"fuel convertor (16), for converting the gas, whose expansion was reduced, to liquidized fuel.

The present invention provides a method for producing a sintered ore, with which it is possible to improve granulation properties of a sintering starting material even in cases where PKS charcoal is mixed with the sintering starting material in order to reduce the discharge amount of carbon dioxide, and ore concentrate is mixed with the sintering starting material in order to increase the total Fe amount.　The method for producing a sintered ore comprises: a starting material blending step (step S101) for blending and granulating an iron starting material and a solid carbonaceous material that contains a first carbonaceous material and a second carbonaceous material so as to produce a sintering starting material; a starting material layer formation step (step S102) for supplying the sintering starting material onto a pallet of a sintering machine so as to form a starting material layer; and a sintering step (step S103) for igniting and firing the upper surface of the starting material layer so as to produce a sintered ore. In the starting material blending step (step S101), palm shell charcoal is blended as the first carbonaceous material, and a carbonaceous material derived from a fossil fuel is blended as the second carbonaceous material. The arithmetic average particle diameter of the palm shell charcoal is smaller than the arithmetic average particle diameter of the second carbonaceous material.

The invention discloses a multifunctional environment-friendly efficient energy-saving stove, and relates to the technical field of energy-saving stoves, the multifunctional environment-friendly efficient energy-saving stove comprises a stove body, a controller and a heating module, the heating module is connected with the controller through a signal line, the controller is installed on the front side of the outer wall of the stove body, and the heating module is installed in the middle of the inner wall of the stove body; the heating module comprises a fuel tank, a switching valve, a combustion assembly, a temperature sensor, an electric heating assembly and a heating motor. The switching valve, the temperature sensor and the electric heating assembly are connected with the controller through signal lines. By installing the heating module, the function of intelligently replacing the heating mode is achieved, the problems of pollutant discharge, insufficient fuel storage and uncontrollable fuel cost are solved, dependence on traditional fossil fuel can be reduced, pollutant discharge is reduced, continuous production of catering and industrial scenes is guaranteed, and the energy consumption is reduced. And the risk of energy supply interruption is avoided.

A combustion method using a fuel combustion device, a cement manufacturing method, and a cement calcination facility including a fuel combustion device, in which while the amount of a fossil fuel used as a fuel supplied to a fuel combustion device provided in various facilities such as a cement calcination facility is reduced, the radiation heat transfer amounts of various burners are maintained, whereby the amount of heat transferred to a heating target such as a powder raw material of cement clinker is maintained to maintain a state suitable for calcination, the amount of carbon dioxide emitted from the various facilities is reduced, and the various facilities can be operated at a low cost, and a fuel combustion device including a fuel supply mechanism having a mechanism that supplies a flammable powder, a mechanism that supplies a fuel gas, and a mechanism that supplies a non-flammable powder are used.

The invention particularly relates to a novel self-power-generation system and method for an offshore unmanned platform. According to the system, ORC power generation is conducted through waste heat resources generated when the offshore unmanned platform produces water and crude oil, electric power generated by the ORC power generation system is adjusted and used through the load adjusting control system, the electric power is supplied to the offshore unmanned platform, and fluctuation of a power grid is prevented. Self power generation of the offshore unmanned platform can be achieved, the isolated network problem is solved, meanwhile, ORC power generation is used for replacing a turbine generator set, fossil fuel and operation and maintenance cost are saved, the economical efficiency of the offshore unmanned platform is improved, and the method can be widely applied to the field of industrial waste heat utilization.

The utility model discloses a system for preparing green methanol from biomass. The system mainly comprises a boiler power generation unit, an air separation unit, a gasification unit, a conversion unit, a desulfurization and decarbonization unit, a compression unit, a synthesis unit and a rectification unit. Pneumatic dense-phase conveying is adopted for biomass feeding of the gasification unit, CO2 of the desulfurization and decarbonization unit is selected as conveying gas, the biomass smashing particle size, the conveying density and the temperature and pressure of the conveying gas are controlled, and the biomass conveying stability is guaranteed. The gasification furnace adopts a waste heat boiler technology, sensible heat byproduct saturated steam of high-temperature synthesis gas can be recycled, purge gas of a synthesis unit is overheated to generate power to serve as system power, and the purge gas of the synthesis unit can be supplemented through byproduct superheated steam of a gas boiler when the electric quantity is insufficient. Biomass is adopted as an energy source instead of traditional fossil fuel, dependence on the fossil fuel can be remarkably reduced, carbon emission is reduced, the energy utilization efficiency is improved, the green electricity requirement is met, and a basis is provided for green methanol certification.

To provide an ink container made of biomass plastic that has improved strength against impacts such as dropping the ink container. [Solution] The ink container of the present disclosure is an ink container for supplying ink to an ink dispensing device, the ink container having an ink storage section for storing the ink and a dispensing section for dispensing the ink stored in the ink storage section, wherein the ink storage section has (a) a first region and a second region and a main body region sandwiched between the first region and the second region, (b) the first region and the main body region, or (c) the second region and the main body region, the main body region comprising a first resin derived from biomass, and the first region and the second region comprising a second resin derived from fossil fuels. The technology of the present disclosure can contribute to the realization of a sustainable society such as a decarbonized / circular economy.

The utility model relates to the technical field of cement production, and provides an ammonia-coal mixed fuel cement clinker calcining system which comprises a rotary kiln, a smoke chamber and a decomposing furnace which are sequentially connected. A sufficient combustion area and an ammonia gas pre-decomposition-NOx reduction area are formed in the decomposition furnace, and the sufficient combustion area is located at the downstream of the ammonia gas pre-decomposition-NOx reduction area; the rotary kiln and the ammonia gas predecomposition-NOx reduction area are both connected with an ammonia-coal mixture feeding module used for introducing ammonia gas, pulverized coal and a primary air mixture, the rotary kiln is provided with a secondary air inlet, and the sufficient combustion area is provided with a pulverized coal inlet and a tertiary air inlet. According to the system for calcining the cement clinker by using the ammonia-coal mixed fuel, the ammonia and the coal powder are mixed for use, so that the use of fossil fuel can be reduced, the emission of greenhouse gas CO2 in the calcining process of the cement clinker is reduced, the cost is lower, and meanwhile, the problem that a large amount of NOx is generated by combustion of the ammonia gas is solved.

Hydrogenation reactions are catalyzed by driving charged particles (e.g., an electric current or particle beam) into and / or through a catalytic material so as to deliver energy for hydrogenation of one or more compounds chemisorbed by the catalytic material. The energy provided by the charged particles may be adjusted (e.g., based on a measured temperature and / or pressure associated with the reaction) to maintain a desired reaction temperature and / or prevent overheating of the reaction. In one example, hydrogen loading of the catalytic material (e.g., via electrolysis) enhances reaction rates. A wide variety of organic and inorganic reactants are contemplated for applications in food, energy production and storage (e.g., fossil-fuels, bio-fuels, petrochemicals, fuel cells), pharmaceuticals and other chemicals, as well as environmental applications (e.g., wastewater treatment, emissions reduction, carbon capture and sequestration).