146 results about "Primary energy" patented technology

The invention discloses a PEMFC (proton exchange membrane fuel cell)-ORC (organic Rankine cycle)-TEG (thermoelectric generator) coupling-based waste heat utilization system and a coupling method. A PEMFC module, an ORC module and a TEG module are coupled; the system comprises a fuel cell, a TEG assembly, a condenser, a delivery pump, a pressure pump, a cooling water storage tank, an evaporator, an expansion machine, a filter, a humidifier, an ejector, a compressor and an electromagnetic valve. Heat carried by cooling water in the PEMFC cooling system is used as a main energy source for waste heat recovery. As the heat taken away by the cooling water is far greater than the directly discharged waste heat, the cooling water has higher enthalpy value and excellent heat recovery potential. By constructing a reasonable heat recovery path and a heat exchange network, the waste heat gradient utilization efficiency can be remarkably improved, and the higher primary energy utilization rate is achieved. And efficient recovery and gradient utilization of the waste heat of the PEMFC are realized.

The refrigeration house condenser waste heat recovery energy-saving system comprises a refrigeration module, the refrigeration module is connected with a first heat energy recovery module, and the first heat energy recovery module is connected with a user side; the refrigeration module comprises a compressor, a first condenser, a first expansion valve and a first evaporator, the compressor is communicated with the first condenser, the first condenser is communicated with the first expansion valve, the first expansion valve is communicated with the first evaporator, and the first evaporator is communicated with the compressor; the first heat energy recovery module comprises a first water pump and a first adjusting valve connected with the first water pump in parallel, and the first adjusting valve and the first water pump are connected with a water supply source and communicate with the first condenser. The first condenser is connected with a second regulating valve, the second regulating valve is respectively communicated with one end port of a third regulating valve and one end port of a fourth regulating valve, the third regulating valve is communicated with the first condenser, and the fourth regulating valve is connected with a user side. The system improves the utilization rate of primary energy in the operation process of the refrigeration house.

The invention discloses a method for processing a steel roller with a polymer coating, which relates to the technical field of intelligent manufacturing and comprises the following steps of: sequentially loading a corresponding number of steel rollers to be processed into a die barrel on a base body, resetting and fixing an end cover on a base, rotating a top cylinder, and primarily finely adjusting and fixing the positions of the steel rollers to be processed; according to the invention, heat dissipated by the raw material slurry is taken as an original energy source, rapid cooling and shaping of the raw material slurry are promoted, static cooling is changed into dynamic cooling, the heat dissipation balance of the raw material slurry is improved, and the heat dissipation efficiency of the raw material slurry is improved. Static injection molding is changed into dynamic injection molding, the eccentricity rate after raw material forming is reduced, raw material slurry is more sufficiently and stably filled into a gap between a mold cylinder and a to-be-machined steel roller, the forming effect of a high-molecular coating is improved, and the adhesive force between the high-molecular coating and the to-be-machined steel roller is enhanced.

The invention relates to the technical field of photovoltaic energy storage adjustment, in particular to a photovoltaic energy storage adjustment method and system based on machine learning. Comprising the following steps: constructing a photovoltaic power prediction model based on historical monitoring data, and generating an expected power curve in a single adjustment period according to the photovoltaic power prediction model; setting a plurality of monitoring sub-cycles according to the expected power curve, and setting a primary energy storage strategy according to all the monitoring sub-cycles; a deviation evaluation value is generated according to the preset feedback time node, and whether a correction instruction is generated or not is judged according to the deviation evaluation value. A plurality of monitoring sub-cycles are set based on an expected power curve, a proper energy storage point is selected to perform charge and discharge control by analyzing a power fluctuation state in each monitoring sub-cycle, and early warning is performed on prediction deviation of a photovoltaic prediction model in time by analyzing actual photovoltaic power and environmental parameters. The overall loss of the energy storage system caused by photovoltaic power fluctuation is reduced, and the service life of the energy storage system is prolonged.

The invention discloses a biomass gas heat pump system and a control method thereof. According to the method, a generator set part and a heat pump unit part are included; the electricity output end of the generator set part is connected with the electricity input end of the heat pump set part; the generator set part comprises a generator set, a radiator, a stop valve, a cylinder sleeve water heat exchanger and a flue gas waste heat recoverer; the heat pump unit part comprises a compressor, an oil separator, a four-way valve, a condenser, an electronic expansion valve, an evaporator and a gas-liquid separator; the system has two operation modes, namely refrigeration operation and heating operation, and can recover engine flue gas waste heat and cylinder sleeve water waste heat during heating, so that the heating capacity is large, and the heating energy efficiency is high. During refrigeration, flue gas waste heat and cylinder sleeve water waste heat need to be discharged into air, and only the heat pump unit supplies cold. According to the system, biomass gas serves as driving energy to drive the generator to operate, energy distribution of the generator set and the heat pump is adjusted in good time by reasonably utilizing engine cylinder sleeve water waste heat and smoke waste heat, and the primary energy utilization rate of the whole machine is increased.

A radiation device comprises at least a vacuum chamber (1), an electromagnetic accelerator (8) for generating a primary energy beam of ions inside the vacuum chamber (1), and a layer of material (S) carried by a support (4) rotating in the vacuum chamber (1) to generate a flow of particles when a series of nuclear fusion reactions are triggered on the material (S) thanks to the energy of said beam, and wherein the support (4) is hollow and sealed defining a rotating three-dimensional surface that surrounds a containment volume for a cooling liquid in heat exchange with the layer of material (S), such rotating three-dimensional surface defining a heat exchange surface wetted by the liquid, and wherein a level of the free surface of the liquid on the heat exchange surface moves upwards in use due to the action of the centrifugal acceleration generated by the rotation of the support (4).

The invention relates to a quick design method for a floating body system of an oscillating water column type wave energy device, which comprises the following steps of: selecting a proper turbine system type according to wave characteristics of a target sea area, and determining the size, blade shape and rotating speed of the turbine system; performance parameters of the turbine system are obtained through numerical simulation and experimental testing, and the performance parameters of the turbine system are simplified; according to the performance parameters of the simplified turbine system, a correlation model of the turbine system and a floating body system is established, and wave boundary conditions are set; carrying out grid division on a flow field around the floating body system, selecting a proper turbulence model and a solver, and carrying out steady-state or transient-state simulation; and calculating the primary energy conversion efficiency of the floating body system and optimizing the floating body system. According to the method, the design period and the repeated modification frequency are reduced, parameter matching between the turbine system and the floating body system is more reasonable through the whole design method, the energy conversion efficiency of the whole device is improved, and the performance of the whole system is optimized.

An electrical energy storage system has a plurality of primary energy storage units. Each primary energy storage unit has an inherent internal resistance. The system further includes one or more additional energy storage units. At least one additional energy storage unit further has a pseudo resistance. One or more controllers control the charging and discharging of each of the primary and additional energy storage units. Control of the charging and discharging of the, or each, additional energy storage units with the pseudo resistance is distinguished from the charging and discharging of each primary energy storage unit, and is distinguished from the charging and discharging of any additional energy storage unit that lacks a pseudo resistance.

A device, method, and non-transitory computer readable medium for controlling a power distribution system includes an islanded microgrid and a control system. The islanded microgrid includes battery energy storage systems (BESSs) that operate as a primary energy source, and a decentralized consensus-based virtual synchronous generator (VSG). The control system simultaneously, emulates inertial response of a synchronous generator by the virtual synchronous generator during grid disruptions to regulate and stabilizes frequency of the islanded microgrid, and maintain consensus among the plurality of battery energy storage systems (BESSs).

The utility model provides a micro electric energy collection circuit. The rectification unit is responsible for converting the alternating current output of the piezoelectric collector into a pulsating direct current signal; the synchronous charge extraction unit comprises a self-powered peak detection circuit and a synchronous switch controller and is responsible for efficiently transferring charges from a piezoelectric element to an electric quantity extraction inductor; the secondary electric energy storage unit comprises a primary electric energy storage device, a detection switch, a charging circuit, a secondary electric energy storage device and a voltage stabilization output circuit, input and output of each functional module are sequentially connected in series, and electric energy flows in a one-way mode; the absorption circuit is responsible for absorbing the electric energy in the inductor extracted by the circuit and effectively storing and stably outputting the electric energy; all the functional units are sequentially connected in series, and electric energy flows from the rectifying unit to the voltage stabilizing output circuit of the secondary storage unit in a one-way mode. The input end of the rectification unit is connected with the output end of the micro-electric energy collector, and the output end of the secondary storage unit is connected with the low-power-consumption internet-of-things sensor load. According to the utility model, intermittent weak AC electric signal energy from piezoelectric elements can be efficiently captured, and the intermittent weak AC electric signal energy can be adjusted to a stable output voltage of the Internet of Things sensor through secondary storage.

The invention provides a high-temperature steam system and method based on waste heat recovery and vinasse recycling, belongs to the technical field of steam systems, and can solve the problems that when an existing steam system is applied to the brewing industry, a large amount of primary energy needs to be consumed, and brewing by-products are not sufficiently utilized. According to the technical scheme, the waste heat recovery assembly comprises a heat exchanger, a high-temperature heat pump unit, a heat storage tank, a high-temperature steam heat pump unit and a condensate water tank; the vinasse recycling assembly comprises a biogas steam boiler, a double-membrane gas holder and an anaerobic bioreactor. According to the system, industrial by-products of a brewing factory can be comprehensively recycled, high-temperature steam required by a boiling process of the brewing factory is provided while secondary steam generated by a boiling pot, low-grade waste heat of the factory and brewing waste are recycled, and the energy utilization efficiency of the system is improved; a novel high-efficiency, low-carbon and energy-saving high-temperature steam system is provided for a brewing factory.

The invention discloses a heat pump system and a waste heat recovery method, and belongs to the technical field of heat pump waste heat recovery, the heat pump system is used for recovering waste heat of a waste heat source, the waste heat source comprises a water outlet pipe and a water inlet pipe, and the heat pump system comprises a first-stage heat exchange unit, a second-stage heat exchange unit and a cold using end assembly; the first-stage heat exchange unit comprises a first condensation assembly and a first evaporation assembly, and a heating side channel of the first condensation assembly is connected with the water outlet pipe and used for receiving waste heat and heating water into high-temperature water. A cooling side channel of the first evaporation assembly is used for introducing normal-temperature water and outputting low-temperature water after the normal-temperature water is cooled; the second-stage heat exchange unit comprises a second condensation assembly and a second evaporation assembly. The two ends of a heating side channel of the second condensation assembly communicate with a cooling side channel of the first evaporation assembly and the water inlet pipe correspondingly. And the cold end assembly is in heat exchange connection with the second evaporation assembly. Waste heat can be converted into high-grade heat energy and cold energy at the same time, consumption of primary energy is reduced, and the energy utilization efficiency is improved.

The invention discloses a multi-stage self-destruction physical destruction device and method for an unmanned vehicle control chip, the device comprises a moving sliding block, a bottom plate and a second-stage energetic material, and the moving sliding block comprises a sliding block and a first-stage electromagnetic coil; the tail end of the slider is provided with a lead. The bottom plate comprises a base plate and a secondary electromagnetic coil; a lead is laid on the substrate; the wire is connected in series with a third-stage transduction element; a third-stage energetic material is arranged on the third-stage transduction element; the third-stage energetic material is connected with a power line; a first-level energetic material is arranged at the bottom of the safety pin groove, a first-level energy conversion element is arranged below the first-level energetic material, and a second-level energy conversion element is arranged at the bottom of the sliding block. The method comprises the steps that the first-stage energy conversion element excites the first-stage energetic material to damage the safety pin, the second-stage electromagnetic coil and the first-stage electromagnetic coil drive sliding block to move so that the second-stage energetic material and the second-stage energy conversion element can be aligned, and the copper wire and the wire are short-circuited; the secondary energy conversion element excites the secondary energetic material to damage the chip; the wire and the copper wire are connected in series with the third-stage energy conversion element, the third-stage energy conversion element excites the third-stage energetic material after being electrified, the power line is damaged, and the unmanned vehicle is powered off. According to the invention, vehicle operation termination and data irreversible destruction in an out-of-control scene are ensured.

The utility model provides a kind of dehumidification dry steam unit, including primary energy conversion component, waste heat condenser and secondary energy conversion component, waste heat condenser has primary refrigerant inlet, primary refrigerant outlet, secondary refrigerant inlet and secondary refrigerant outlet;The primary energy conversion component includes: primary compressor, for refrigerant reaches predetermined temperature and pressure, with refrigerant inlet and refrigerant outlet, its refrigerant outlet is connected with the primary refrigerant inlet of waste heat condenser by pipeline;First internal pipeline and second internal pipeline, the gas needing drying is sequentially passed through first internal pipeline, second internal pipeline, and first internal pipeline and second internal pipeline are communicated head to tail along the direction of gas flow;Finned condenser, located in second internal pipeline, with refrigerant inlet and refrigerant outlet, its refrigerant inlet is communicated with the primary refrigerant outlet of waste heat condenser by pipeline;Finned evaporator;Primary gas-liquid separator.

The invention relates to a road construction machine (1) comprising: a chassis (12, 112) for moving the road construction machine (1); a main drive device (3, 103) for driving the chassis (12, 112); a main energy storage unit (17, 117) for supplying the main drive (3, 103) with electrical energy or an energy medium; a material hopper (7, 107); and a material hopper insert (14, 114, 14a) for receiving the paving material (PM). The material hopper insert (14, 114, 14a) is removably mounted on the material hopper (7, 107). The material hopper insert (14, 114, 14a) has at least one secondary energy storage unit (15, 115, 15a) for driving the chassis (12, 112) and / or for supplying the primary drive (3, 103) with electrical energy or an energy medium.

The application discloses a marine Stirling ultra-low-temperature primary energy-saving refrigerating system and relates to the technical field of energy-saving heat exchange equipment. The upper part of the base is respectively provided with a refrigerating machine main body, a heat dissipation device, a control system cabinet, a plate heat exchanger and a gas-liquid separator. The ship waste heat is used as a heat driving source, enters the inside of the first shell through a second cooler and a second heat exchange cavity, the crankshaft rotates, the rotary motion is converted into the reciprocating linear motion of a piston assembly, the gear is linked with the crankshaft to coordinate the motion of multiple pistons, a supporting partition plate separates the compression cavity from the expansion cavity, a heat recovery cycle is completed by taking helium as a working medium, the piston assembly reciprocates in a piston motion cavity, the working medium in the compression cavity is compressed, enters the heat exchanger installation cavity through a working medium pipeline and a heat exchange cavity, exchanges heat with a heat exchanger core to reduce temperature, then enters the expansion cavity to expand and work to refrigerate (absorb the heat of the low-temperature cabin of the ship), the expanded working medium flows through the heat exchanger to absorb heat and increase temperature again, and returns to the compression cavity to complete the cycle.

The invention discloses a multi-source synergistic hydrogen energy and coal chemical industry coupling method based on carbon-based solid waste, and belongs to the cross technical field of hydrogen energy and coal chemical industry, the scheme is as follows: coal chemical industry carbon-based solid waste is combusted to generate power, coal chemical industry waste heat is utilized to generate power, and coal chemical industry secondary energy is formed; new energy power generation and coal chemical secondary energy power generation are coordinated to form an island micro-grid, so that the power demand of hydrogen production by electrolysis of water is met; when the new energy is insufficient in power supply, the coal chemical secondary energy is used for maintaining 20% low-load operation of the electrolytic bath; hydrogen generated in the hydrogen production electrolytic cell is sent to the coal chemical industry; and oxygen generated in the hydrogen production electrolytic cell is sent to oxygen-enriched combustion. The coal chemical secondary energy is used as the bottom energy, the defect that attenuation of an electrolytic cell is accelerated due to frequent starting and stopping of the electrolytic cell caused by the fact that new energy is used as intermittent energy is overcome, the problem that hydrogen production cost is high due to hydrogen production, energy storage or hydrogen power generation through water electrolysis of primary energy is solved, and meanwhile a new absorption path is provided for carbon-based solid waste discharged by the coal chemical industry.

The present invention discloses a method, system and storage medium for calculating carbon emissions from electricity consumption on the load side. The method first calculates the carbon emissions per unit electricity of the transmission line based on the proportion of primary energy electricity at each line collection point and power generation grid connection point on the transmission line. Then, starting from the electricity consumption side, the carbon emissions of the transmission line are calculated based on the transmission electricity on each transmission line. Finally, the carbon emissions of the primary energy electricity on the load side are calculated based on the carbon emissions per unit electricity of the transmission line connected to the load side receiving point and the actual electricity consumption on the load side. The present invention solves the problem that the load side main body cannot currently perform effective calculations and can only spread carbon emissions. It can accurately divide the line collection point and the load side receiving point, accurately calculate the carbon emissions per unit electricity of each section of the transmission line and the load side receiving point, and then calculate the carbon emissions on the load side.

The invention discloses a sewage treatment system and method coupling solar heat collection and MVR evaporative crystallization, and the sewage treatment system comprises a heat storage system and a heat exchange system, and also comprises a solar heat collection system, an evaporation device, a vapor compressor device and a salt separation system; the solar heat collection system is connected with the heat storage system, the heat storage system is connected with the heat exchange system, and the evaporation device is communicated with the heat exchange system, the steam compressor device and the salt separation system. A flash evaporation device and a falling film evaporator are arranged in the evaporation device; and a centrifugal machine is arranged in the salt separation system. The overall power consumption of the sewage treatment system is reduced, indirect carbon emission in the sewage treatment process is reduced, meanwhile, due to direct utilization of solar heat energy, the conversion link from heat energy to electric energy and then to heat energy is reduced, process loss is reduced, the utilization efficiency of primary energy is improved, and energy conservation and emission reduction are achieved. And more possibilities are provided for more efficiently and cleanly realizing salt-containing sewage treatment.

This utility model relates to the field of waste heat recovery technology for desulfurization slurry, and more particularly to a waste heat recovery system for boiler flue gas desulfurization slurry based on flash evaporation. The system includes a flue gas desulfurization tower, a flash tank, a steam-water heat exchanger, a boiler air heater, and a condensate tank. The bottom first slurry outlet of the flue gas desulfurization tower is connected to the upper slurry circulation inlet, and the bottom second slurry outlet is connected to the flash tank. The flash tank converts the water in the desulfurization slurry into steam through flash evaporation. The steam outlet of the flash tank sends the steam to the steam-water heat exchanger through a steam pipeline. The liquid outlet of the flash tank is connected to the liquid inlet of the flue gas desulfurization tower. The steam-water heat exchanger is connected to the boiler air heater, and the condensate outlet of the steam-water heat exchanger is connected to the condensate tank. This utility model achieves waste heat utilization of the desulfurization slurry through flash evaporation, reducing the final flue gas temperature of the boiler and improving the primary energy conversion efficiency of the boiler.

The invention relates to the technical field of hydraulic engineering energy dissipation, in particular to a hydroelectric hydraulic engineering energy dissipation area protection structure which comprises a dam, the bottom end of a drainage slope on the dam is connected with a long drainage channel with a concave section, and a long auxiliary water channel with a concave section is arranged below the long drainage channel. The long drainage channel is provided with an energy dissipation slope used for throwing water flow into the air, a square-groove-shell-shaped energy dissipation pool, a drainage hole plate, a water collector and a monitoring water tank shell, the water flow is thrown into the air through the energy dissipation slope to achieve primary energy dissipation, and then the water flow falls into the energy dissipation pool and collides with stored water in the energy dissipation pool to achieve secondary energy dissipation. If silt is accumulated at the corner position of the bottom of the water inlet end of the energy dissipation slope, a silt cleaning mechanism can be automatically triggered, the hole discharging plate sprays water flow upwards to impact the silt accumulated on the upper portion, meanwhile, the energy dissipation slope swings and is laid flat so that the silt can flow away smoothly, and after silt cleaning is finished, the energy dissipation slope swings and inclines again to continue to dissipate energy.

This invention relates to the field of carbon emission forecasting technology, providing a carbon emission forecasting method, system, computer equipment, and storage medium. The method includes: decomposing the industrial-specific final energy consumption data from the overall industry-specific final energy consumption data based on historical annual industrial end-product energy consumption data by category and type; predicting and analyzing this data to obtain the target year's overall industry-specific final energy consumption forecast data; and calculating the primary energy consumption forecast data based on the target year's overall industry-specific final energy consumption forecast data using power generation ratio prediction data obtained from historical annual electricity data evolution analysis, thereby obtaining the predicted value of regional energy consumption carbon emissions. This invention can capture the natural laws governing the impact of energy structure adjustment, technology diffusion, and resource constraints on energy demand and carbon emissions, improving the reliability and accuracy of regional energy carbon emission forecasting.

The primary energy sources for low / zero carbon intensity (green) hydrogen production, such as sunlight and wind, are inherently intermittent in duration and variable in strength. An integrated, dynamically controlled production process is needed for the optimization of continuous green hydrogen production. The process needs to manage this dynamic state on a frequent basis within a green hydrogen production process to assess impacts from incoming renewable energy through to the outgoing continuous (e.g., 24 hours per day and up to 365 days per year) production of both gaseous and liquid hydrogen. The process needs to manage operational performance and metrics continuously using the production facility configuration, renewable energy supply profiles and operational safety requirements together with the capability to adapt to a variety of external constraints, including weather variation, water supply variation and offtake requirements.

The utility model belongs to the technical field of power transformation equipment, and particularly relates to a first-level energy efficiency oil-immersed power transformer which comprises a protective shell. The side wall of the top of the protective shell is fixedly connected with a hanging plate. A plurality of bases are fixedly connected to the side wall of the bottom of the protective shell; a plurality of radiators are fixedly connected to the middle part of the side wall of the protective shell; a plurality of sleeves are arranged on the side wall of the top of the protective shell; a water storage tank is fixedly connected to the side wall of the top of the hanging plate; an oil tank is fixedly connected to the inner side wall of the bottom of the protective shell; by arranging the water storage tank, the oil tank, the oil pump and the oil conveying pipe, transformer oil can be cooled in a water cooling mode, the temperature of the transformer oil can be more effectively reduced through the cooling mode, then the overall operation temperature of the oil-immersed power transformer is reduced, the load capacity of the transformer can be improved, and the service life of the transformer can be prolonged. And the cooling water can quickly absorb and take away heat of the transformer oil, so that the hot oil is quickly cooled, the heat exchange efficiency can be improved, and accumulation of heat in the transformer is reduced.

This invention discloses a natural gas air source absorption heat pump system, relating to the field of gas heat pump technology. It includes an integrated multi-layer composite heat exchanger, an evaporator, a gas valve, a solution circulation pump, a concentration regulating valve, an air-side fan, an online working fluid concentration regulating system, and a composite controller. By setting up the integrated multi-layer composite heat exchanger, the high-temperature flue gas channel, the generator solution channel, the distillation and absorption composite channel, and the air preheating channel are arranged sequentially from the inside out, forming a counter-current coupled heat exchange structure of flue gas, solution, and air. This allows the waste heat from the high-temperature flue gas generated by gas combustion, the absorption heat released by the absorber, and the condensation heat released by the condenser to be naturally transferred from high to low grade within the same composite heat exchanger. The absorption heat is then transferred in situ to the air intake of the outer preheating evaporator, thereby achieving multi-stage coupled utilization of thermal energy and significantly improving the primary energy utilization rate of the heat pump system.

A technique facilitates reliable operation of a blowout preventer (BOP) system in a wide range of challenging environments. The BOP system is an electrical system comprising electrically powered components. The electrically powered components are connected with a primary energy storage device which provides electric power for operating those components. Additionally, a secondary energy storage device may be connected to the primary energy storage device in a manner so as to maintain a desired level of charge on the primary energy storage device. The secondary energy storage device has a longer lifespan and a lower discharge rate compared to the primary energy storage device. By way of example, the secondary energy storage device may be in the form of a secondary battery which is nuclear powered.

The primary energy sources for low / zero carbon intensity (green) hydrogen production, such as sunlight and wind, are inherently intermittent in duration and variable in strength. An integrated, dynamically controlled production process is needed for the optimization of continuous green hydrogen production. The process needs to manage this dynamic state on a frequent basis within a green hydrogen production process to assess impacts from incoming renewable energy through to the outgoing continuous (e.g., 24 hours per day and up to 365 days per year) production of both gaseous and liquid hydrogen. The process needs to manage operational performance and metrics continuously using the production facility configuration, renewable energy supply profiles and operational safety requirements together with the capability to adapt to a variety of external constraints, including weather variation, water supply variation and offtake requirements.

The invention relates to a green electricity-hydrogen-methanol integrated comprehensive energy system and an optimal scheduling method thereof, and belongs to the technical field of comprehensive energy system optimization. Wind power / photovoltaic power serves as primary energy, green power-green hydrogen bidirectional conversion is achieved through a hydrogen energy storage unit (comprising an electrolytic bath, a compressor, a hydrogen storage tank and a hydrogen fuel cell), and a carbon closed loop path is formed in cooperation with an electric methanol preparation unit (coupling a carbon capture device and a methanol synthesis reactor); designing a day-ahead scheduling optimization model based on multi-market interaction, and integrating equipment operation constraint, multi-energy flow balance and market transaction mechanisms with the purpose of minimizing the total operation cost; according to the optimal scheduling method of the green electricity-hydrogen-methanol integrated comprehensive energy system provided by the invention, a day-ahead scheduling decision for minimizing the operation cost is provided, and dynamic collaborative optimization of electricity-hydrogen-methanol multi-energy flow and efficient cyclic utilization of carbon resources are realized.

The utility model discloses a multi-path ore pulp distribution box, which relates to the technical field of ore pulp distribution devices, and comprises a first barrel and a second barrel, a primary energy dissipation groove is formed in the first barrel, a plurality of overflow ports with the same overflow height are arranged on the side surface of the first barrel, a secondary energy dissipation groove is formed in the second barrel, and the overflow ports are communicated with the secondary energy dissipation groove. The first barrel is arranged in the middle of the interior of the second-stage energy dissipation groove, a plurality of separation structures are arranged between the first barrel and the second barrel, so that the interior of the second barrel is divided into a plurality of ore separation spaces, the ore separation spaces correspond to the overflow ports correspondingly, the second barrel is provided with third barrels in the ore separation spaces correspondingly, and the third barrels are arranged in the ore separation spaces correspondingly. The third barrel body is provided with an ore discharging flow channel so that ore pulp in the ore separation space can be discharged, the overflow height of the overflow opening is larger than the groove bottom of the second-stage energy dissipation groove so that a first buffer space can be formed in the first-stage energy dissipation groove, follow-up even ore separation of classification equipment is achieved, and the problem that ore pulp is difficult to evenly distribute is solved.

The application relates to the field of high-speed train high-voltage system equipment, in particular to a voltage transformer for a high-speed train high-voltage system, which comprises a supporting plate, a fixed plate, a supporting elastic piece and an energy dissipation plate. The supporting elastic piece is used for primary energy dissipation of a voltage transformer body, the energy dissipation plate is used for secondary energy dissipation of the voltage transformer body, and the energy dissipation plate is easy to reset under the influence of gravity, so that the voltage transformer body is more likely to keep good stability during high-speed train bumping, thereby realizing the effect of efficiently buffering and dissipating the voltage transformer, and prolonging the operation life of the high-speed train roof voltage transformer.