50results about How to "Flexible supply" patented technology

A radiographic image capturing apparatus includes a mobile cart unit, a plurality of devices used for capturing a radiographic image, and an electric power supply activator enabling supply of electric power between the devices, based on an instruction of permission to supply electric power.

The invention relates to the technical field of energy storage and distribution type energy, and discloses a variable-working-condition multi-energy combined supply system and method suitable for different seasons. The system comprises an energy storage subsystem, an energy releasing subsystem and a power grid, user side and control subsystem. The energy storage subsystem is used for storing of renewable energy source intermittent electric energy and comprises an air compression heat exchange unit and an air liquefaction energy storage unit, the energy releasing subsystem is used for combinedsupply of multiple energy and comprises an air rewarming gasification unit and a cold, heat and electricity energy supply unit, the cold, heat and electricity energy supply unit comprises an absorbingtype refrigeration part used for cold supply, a first low-temperature reheater, a second low-temperature reheater, a hot water supply device used for supplying heat and an expansion machine used forsupplying power, and the power grid, user side and control subsystem is used for energy supply and demand matching and regulation under the variable working condition. The variable-working-condition multi-energy combined supply system suitable for the different seasons has the advantage of meeting cold, heat and electricity needs of terminal user sides at different seasons.

The invention provides a molten iron desilication method for stainless steel smelting, which comprises the following steps: 1. blast furnace molten iron preparation: mixing and sintering laterite-nickel ore, adding the laterite-nickel ore into a blast furnace, and smelting while ensuring the blast furnace tapping temperature to be at least 1350 DEG C; 2. transportation: transporting the high-temperature nickeliferous high-silicon molten iron of the blast furnace to a desilication converter in the one-step or metal mixer form; 3. carrying out desilication, decarburization, dephosphorization and desulfurization on the nickeliferous high-silicon molten iron in the desilication converter, and carrying out desilication treatment on the molten iron in a top/bottom blowing mode, wherein the mass percent of silicon in the desilicated molten iron is not greater than 0.20%; and 4. final product smelting: after finishing converting, charging the semisteel from the desilication converter into an AOD (argon oxygen decarburization) furnace while adding alloy into the AOD furnace, and finishing the final smelting of stainless steel. The desilication technique has low requirements for Si content in the molten iron, provides sufficient reaction space for desilication, effectively prevents splashing, creates favorable dynamic conditions for desilication, and meanwhile, can perform dephosphorization and desulfurization.

A device includes a first energy storage terminal, a second energy storage terminal, a further terminal, a shared magnetic flux guide, a first coupling mechanism, a second coupling mechanism as well as a further coupling mechanism, for supplying energy to a plurality of energy storage components and for providing energy stored within the energy storage components.

The invention discloses a multi-user quantum key supply method and device based on an optical line terminal. The method comprises the following steps of generating a key supply queue according to a received key request; generating a key according to the key supply queue; and storing the key in a key pool set by each user side to supply the key. Therefore, according to the scheme of the invention,the key queue can be generated according to the collected key request, the key is generated, and the time slot resource of the equipment in the integrated QKD access network is efficiently matched with the user key demand, so that the flexible supply of the multi-user key resources in the integrated QKD access network is improved, and the key resource distribution efficiency is improved.

The invention discloses a solar thermoelectric decoupling system based on combination of heat storage and a compression heat pump and an operation method thereof, and belongs to the field of mechanical engineering and energy conservation. The problems that in the prior art, power resources cannot be directly stored and need to be matched with electrical loads, and the flexibility of a cogeneration unit is limited are solved. The system is characterized by comprising a heat storage subsystem, a power island subsystem and a compression heat pump waste heat recovery subsystem; a high-temperature evaporator provides required driving steam for the power island subsystem, and a low-temperature evaporator provides required driving steam for the compression type heat pump waste heat recovery subsystem; and a low-pressure heat exchanger of the compression type heat pump waste heat recovery subsystem is connected with cold end circulating water of the power island system, a high-pressure heat exchanger is connected with a heat user heat exchange station, and decoupling of power supply and heat supply is achieved. According to the solar thermoelectric decoupling system based on combination of heat storage and the compression heat pump and the operation method thereof, on the premise of low cost input, decoupling operation of power generation and heat supply of a photo-thermal power generation cogeneration system is achieved, comprehensive gradient utilization of system energy is achieved, and the operation flexibility of the photo-thermal power generation cogeneration unit is improved.

The invention discloses a thermal mining system of a marine heavy oil field and a mining method. The system comprises a seawater desalination subsystem, a steam preparation subsystem, a steam injection subsystem and an oil/gas production subsystem, and the steam preparation subsystem, the steam injection subsystem and the seawater desalination subsystem are arranged on a fixed or floating marine production platform. The method comprises seawater desalination, steam preparation, steam injection and oil/gas production. By adopting the integrated system with the seawater desalination device, the marine steam preparation device, the steam injection device and a marine mining device, the problems of marine freshwater sources and steam preparation can be solved, and basic conditions can be provided for thermal mining of marine heavy oil and steam. Due to the adoption of the flexible fuel supply and a burner with a wide scope of application, convenience is provided for marine steam preparation. Moreover, the economic performance of thermal mining of marine heavy oil and steam can be greatly improved.

The invention relates to an electric vehicle battery replacing system and a method which are in a charging and replacing separation mode. The system comprises a battery replacing station, a centralized charging field, a battery pack data management system and an operation and control center. The battery replacing station is provided with a battery replacing channel, a pallet truck channel and a transportation channel; the pallet truck channel is provided with a pallet truck; the battery replacing channel is arranged to be corresponding to a battery replacing operation area, a power-lack battery pack is unloaded and placed in the pallet truck in the battery replacing operation area, and a full-charge battery pack is loaded to a battery replacing vehicle; and the transportation channel is arranged to be corresponding to a transportation operation area and is used for the pallet truck to transfer the power-lack battery pack and the full-charge battery pack between the battery replacing station and the centralized charging field in the pallet truck. The battery pack data management system comprises a plurality of battery pack monitoring and diagnosing devices, and the operation and control center exchanges data with the battery packs of the battery replacing station, the centralized charging field and the transfer link through a battery pack monitoring and diagnosing device. The system can overcome the defect of charging in a charging and replacing integrated mode, has good practicability and is easy to popularize.

The invention relates to an off-grid state energy balance simulation method for a distributed comprehensive energy system. The off-grid state energy balance simulation method comprises the following steps: performing simulation modeling on a comprehensive energy system 1 and a comprehensive energy system 2, and outputting a physical model of each equipment; establishing a comprehensive frequency modulation simulation model of a gas turbine of the comprehensive energy system 1 and an energy storage device of the comprehensive energy system 2; starting off-grid operation simulation of the distributed comprehensive energy system; and in the off-grid operation simulation process, automatically adjusting the comprehensive frequency modulation simulation model of the energy storage device according to SOC (state of charge) data of the energy storage device so as to keep energy balance of the distributed comprehensive energy system in the off-grid state. According to the off-grid state energybalance simulation method, the simulation credibility is improved, and technical support is provided for improving the operation reliability and the comprehensive energy efficiency of the distributedcomprehensive energy system.

The invention relates to the technical field of clean energy, and particularly relates to a blending process of coal and biomass. The invention provides a method for producing light oil by liquefyingcoal and biomass. Treatments of grinding, compression and regrinding are carried out on coal and biomass raw materials, then slurry is prepared, biomass coal oil slurry which has a high solid contentand can be stably conveyed by a pump is successfully obtained, and high-viscosity waste oil which cannot be used as a liquefaction solvent of coal and biomass in the prior art can also be utilized. The method can ensure that the coal and the biomass are fully liquefied to liquid phases through twice liquefaction reactions, and the yield of liquid oil is improved. The yield of light oil is furtherimproved by subsequent separation and hydrogenation steps, particularly the yield of low-distillation-range oil such as naphtha and the like in the light oil is improved, and the residue content of subsequent light oil is reduced.

The invention relates to the cargo area of an airport, having transporting paths which connect the land side and the air side of the airport and are intended for the standard loading units (ULDs), and also having interim stores for the buffer storage of the loading units prior to the cargo being assembled. In order to create storage and sorting opportunities in the immediate vicinity of the transporting paths, while being simultaneously independent of the main store, and in order to achieve flexible supply of the loading units, it is proposed for the transporting paths to be assigned vertical stores each with a plurality of storage levels which are arranged one above the other, are set up above or alongside the transporting paths and in which, with the aid of lifting means, the loading units, which can be lifted off from the transporting paths, can be stored.

The invention discloses an ecological box based on cell biological sample storage, which comprises a shell, wherein a heat preservation lining is pasted on the inner surface of the shell, a storage box is arranged in the shell, and the top of the shell is fixedly connected with an environment simulation box for adjusting the internal environment of the storage box. The invention relates to the technical field of ecological boxes. According to the ecological box based on cell biological sample storage, an environment simulation box can form an environment similar to the sampling position of a cell biological sample in the storage box, the storage box has a good heat preservation effect, the stability of the environment in the storage box can be kept, the cell biological sample can be normally stored in the storage box, and the growth condition of the sample can be conveniently researched. When a reagent tube needs to be taken out, the reagent tube can be taken out in a sealed mode through a taking and placing mechanism, the needed sample can be taken out independently, the influence on other samples is small, the stable environment in the device cannot be excessively damaged, and the preservation effect is good. The device is convenient to carry, transport and use.