41results about How to "To achieve complementary use" patented technology

The invention discloses a wind and solar hybrid energy storage and power generation integration system and process. The system comprises a wind power generation subsystem, a solar energy storage subsystem, a liquefied air subsystem and a power subsystem. The process comprises the following steps: solar energy is gathered by a thermal collector to obtain heat energy, the heat energy is stored in heat storge medium; wind energy is converted to electric energy, the wind power is used to liquefy air and stored in the liquefied air; and when electricity is required, the liquefied air is pressurized to recycle cold energy for the air liquefying process, then the air is heated by the high temperature heat storge medium which stores solar energy to obtain high temperature and high pressure air, and finally the air is sent to a multistage reheating turbine to expand and do work. The system of the invention recycles the cold energy of the liquefied air to reduce the wasted work for air liquefying; a pump is used to increase the pressure of the working medium, thus reducing the wasted work for compressing the working medium; the turbine utilizes recycled heat for exhaustm, thus effectively utilizing heat energy; solar energy is utilized to heat the working medium at the inlet of the turbine, thus increasing the expansion efficiency of the turbine; and wind energy and solar energy can be utilized for complementation, energy storage and power generation can be integrated and the system of the invention has wide application prospect.

The invention discloses a distribution network expansion planning method considering the optimized operation of a regional integrated energy system. Firstly, a regional integrated energy system modelis established and the internal energy flow relationship is analyzed. Secondly, based on the multi-agent system, a three-layer interactive structure including the main layer, the regional layer and the device layer is built to realize the interaction of different entities on the spatial scale. Then, a bi-level optimization model is established for the distribution network with residential, commercial and industrial regional integrated energy systems. The upper level is used for the expansion planning of distribution network, and the lower level is used for the optimization operation of regional integrated energy systems. Genetic membrane algorithm and sequential quadratic programming are used to solve the upper and lower level models nested nested. Finally, the simulation example shows that the distribution network planning considering the optimal operation of regional integrated energy system can reduce the total cost of planning, improve energy efficiency and new energy consumption rate.

The invention relates to a multi-source heat pump cold and hot water unit integrating solar energy, air energy and sleeve accumulated energy. The multi-source heat pump cold and hot water unit is mainly composed of a solar thermal collector, an energy storage heat exchanger, an outdoor air heat exchanger, a compressor, a thermal storage water tank, a user side heat exchanger, a gas-liquid separator, a heat collecting water pump, a user circulating water pump, an electromagnetic valve, a motor-driven three-way reversing valve, a motor-driven four-way reversing valve, a start-stop valve, a throttling valve, a one-way valve and the like; according to different outdoor climatic conditions, multiple operation modes such as direct solar heat supply, living hot water produced by solar, solar heat accumulation, heat supply of an energy storage heat pump, heat supply of an air source heat pump, energy storage and air source heat pump combined heat supply, living hot water produced by an air source heat pump, cold supply of air source heat pump, air source heat pump cold accumulation, heat pump cold accumulation and production of life hot water, and cold accumulation cold supply are realized. The complementary utilization of air energy and solar energy and two-way utilization of cold and heat of a heat pump unit are realized, and one set of equipment is adopted to realize heating, refrigeration, energy storage and living hot water supply.

The invention discloses a low-CO2-emisison solar energy and methanol complementary thermodynamic cycle system and a low-CO2-emisison solar energy and methanol complementary thermodynamic cycle method. A solar energy grade is improved in combination with an efficient combined cycle system. The method comprises the following steps of: providing methanol/steam reforming reaction heat by using intermediate-and-low temperature solar energy, and converting a fuel into synthesis gas in which H2 and CO2 with the approximate molar ratio of 3:1 are used as main ingredients, so that low-grade solar energy is converted into synthesis gas chemical energy; separating the CO2 by using an absorption unit; and performing heat-into-power conversion on the decarburized clean fuel in an efficient combined cycle process. The introduction of the solar energy is combined with the separation of the CO2, so that the consumption of fossil energy is reduced, and the fuel can be utilized cleanly. By the method, the clean conversion efficiency of the solar energy is 16.8 percent, the equivalent efficiency of the system is 55.1 percent which is 1 percent higher than that of the conventional combined cycle process, and the conservation rate of a fossil fuel can reach 11.8 percent; and the discharge capacity of the CO2 can be reduced at low energy consumption, so that the fossil fuel is saved, and the intermediate-and-low temperature solar energy can be subjected to efficient heat-into-power conversion and can be complemented with the fossil fuel.

The invention provides a complementary type distributed energy system integrating internal combustion engine tail gas into the thermochemical process. The system comprises an internal combustion engine power generation subsystem, a thermochemistry waste heat utilization subsystem, an absorption refrigeration subsystem and a low-temperature exhaust waste heat utilization subsystem. According to the system, based on the energy utilization principle of parallel temperature and gradient utilization, exhaust waste heat recovery is conducted through thermochemical reaction, absorption refrigeration, heat supply and the like in sequence, high-temperature exhaust waste heat is utilized scientifically and reasonably in a gradient mode, heat, electric and cold diversified energy product output is achieved, and the energy utilization efficiency and grade of exhaust waste heat are improved greatly.

Disclosed is a distributed type power generation system based on coupling of multiple renewable energy sources. The distributed type power generation system comprises a solar photovoltaic power generation system, a wind energy power generation system, a fuel cell power generation system and an ocean thermoelectric power generation system; the output ends of the solar photovoltaic power generation system and the wind energy power generation system are connected to form a power grid source; the electric energy required by the operation of the fuel cell power generation system and the ocean thermoelectric power generation system is supplied by the power grid source; and the output ends of the fuel cell power generation system and the ocean thermoelectric power generation system are connected with an external power grid. The distributed type power generation system is formed by combining multiple renewable energy sources organically; and by virtue of the system, complementary and comprehensive utilization of multiple renewable energy sources can be realized, the utilization rate of renewable energy sources is improved, the problems of environmental pollution and energy shortage are solved, and relatively high stability and reliability are achieved.

The invention discloses an integrated refining system and process using an oil shale retorting gas to produce hydrogen and upgrade. The system comprises an oil shale destructive distillation unit, a shale oil hydrogenation and upgrading unit, a methane vapor reforming unit and a building material production unit, wherein the methane vapor reforming unit comprises a vapor reforming reactor, a CaO regenerative combustion furnace, a compression heat exchanger, a vapor reforming gas flash-evaporation tower and a transformation adsorption device. According to the system and process disclosed by the invention, methane reforming reaction is carried out onto the destructive distillation gas, a hydrogen source is provided for shale oil hydrogenation and upgrading, complementary utilization of the destructive distillation gas and the shale oil hydrogen element is realized, and waste fragment shale of the oil shale destructive distillation unit is combusted to provide heat for roasting CaCO3 in the CaO regenerative combustion furnace, so that utilization efficiency of resources and energy resources is improved. According to the system and process disclosed by the invention, economic benefits of the existing oil shale oil-refining and upgrading processes can be remarkably improved, resource utilization rate of the process is increased, and emission of solid waste and an industrial waste gas is reduced.

The invention discloses a biomass rapid pyrolysis and coal-fired boiler coupling system.The biomass rapid pyrolysis and coal-fired boiler coupling system comprises biomass rapid pyrolysis equipment, bio-oil reforming separation equipment, crude oil refining equipment and coal-fired boiler equipment.The biomass rapid pyrolysis equipment is used for conducting rapid pyrolysis on biomass to generate liquid bio-oil and a small quantity of non-condensing gas products and solid carbonic ash.The liquid bio-mass reforming separation equipment is used for conducting chemical and physical separation on the liquid bio-mass to obtain liquid bio-crude oil and solid biochar.The crude oil refining equipment is used for refining the liquid bio-crude oil to prepare chemical materials or high-calorific-value energy products.The coal-fired boiler equipment is used for achieving energy utilization of the solid carbonic ash, the non-condensing gas products and the solid biochar.Biomass bio-oil efficient preparation and a coal-fired boiler are organically coupled, complementary utilization of high energy and low energy is achieved, and gradient utilization of biomass resources and energy is achieved.

The invention discloses an on-line detection device for detecting river water quality, which comprises a casing, the casing is a cylindrical shuttle-shaped structure, a first water flow generator is arranged on one side of the casing, and a second water flow generator is arranged on the other side of the casing. The first water flow generator and the second water flow generator are axisymmetric with respect to the casing; a water quality detection sensor is arranged at the bottom of the casing. This device can detect the water quality of the river water at fixed points and regularly; by setting the fixing device and the noose, the depth adjustment of the equipment can be realized, and the river water at different depths can be detected, which is fast and convenient to use; by setting solar panels and water flow to generate electricity Machine, so as to realize the complementary utilization of light energy and water energy, reduce the downtime of the detection device caused by lack of sunlight or slow water flow, and improve the stability and work efficiency of the equipment.

The invention provides a hybrid power machine, which belongs to the field of fluid power machinery and is mainly formed by coupling an A-kind energy flux engine with a B-kind energy flux engine, wherein the A-kind energy flux engine utilizes pressure energy, kinetic energy and heat energy carried by fluid and is provided with a flow discharge port, the B-kind energy flux engine is formed by a wheel hub and hollow blades arranged at the periphery of the wheel hub, the inner cavities of the hollow blades are communicated with the inner cavity of the wheel hub, the rear marginal parts of the hollow blades are provided with jet-flow holes, the flow discharge port of the A-kind energy flux engine and a flow inlet port in the wheel hub of the B-kind energy flux engine are rotated to be coupled and are communicated, a system can not only effectively utilize the energy of low-grade energy flow but also utilize energy of other kinds and grades, so that the purpose of complementary importing and stable exporting is realized, and the hybrid power machine can be used for driving various working machines.

The invention discloses a device and a method for preparing high-quality fuel gas by solar-driven solid waste sectional gasification, and belongs to the technical field of solar energy utilization. The device comprises a heliostat field, a solar fluidized bed, a solar melting furnace, a water vapor generator, a coal economizer, an air preheater, a bag-type dust collector, a desulfurizing tower, afuel gas compressor and a gas storage device. Solar energy is gathered by the heliostat field to supply heat, sensible heat of high-temperature combustible gas generated through segmented gasificationof a solar fluidized bed and a solar melting furnace is recycled through the water vapor generator, the coal economizer and the air preheater in sequence, and then the high-temperature combustible gas is subjected to purification treatment through the bag-type dust collector and the desulfurizing tower to form high-quality fuel gas to be compressed, stored or directly utilized. The solar-driven segmented gasification reaction system is realized, the quality of gasified combustible gas can be effectively improved while solid waste is treated, secondary pollutants such as dioxin are prevented from being generated, the gasification efficiency of the system is improved, excessive solar energy is reasonably utilized, and the energy-saving and environment-friendly effects are achieved.

The invention relates to an efficient crop-rotation fertilizing method for relieving continuous cropping obstacles and increasing the full-fruit rate of peanuts. The method comprises the following steps: winter wheat is fertilized and seeding is carried out; after the wheat is harvested in the next year, ridging is carried out at places 10-15 away from two sides of wheat roots; a peanut base fertilizer is applied, wherein the peanut base fertilizer comprises a special compound fertilizer for peanuts, calcium superphosphate and humic acid raw powder; after the peanut base fertilizer is applied,peanuts are sowed by adopting a sowing mode of two grains in one hole; a special leaf fertilizer special for peanuts and chitosan oligosaccharide are applied by a foliage spraying method in a poddingand full fruiting period of the peanuts, so that the formation of peanut pods is promoted; and when the color of peanut leaves turns yellow and stems and leaves at the middle-lower part are withered,the peanut pods can be harvested. According to the invention, through the change of the fertilizers and the fertilizing modes on the basis of crop rotation of the wheat and the peanuts, the physicaland chemical properties of soil can be improved, the soil fertility can be improved, the influence of diseases and insect pests on peanuts can be reduced, the continuous cropping obstacles of the peanuts can be relieved, the vigorous growth of the peanuts is promoted, the full-fruit rate of the peanuts is increased, the peanut yield is increased, and the sustainable development of peanut industryis facilitated.

The present invention discloses a river water online detection device. The device comprises a housing, and the bottom of the housing is provided with a water quality detection sensor; the housing is internally provided with a control device, the control device comprises a CPU, the water quality detection sensor is connected with an AD conversion circuit through a conditioning circuit, and the AD conversion circuit is connected with the CPU through a cable; the control device also comprises a generator rectification circuit and a power supply circuit, and the generator rectification circuit is electrically connected with a first water flow generator and a second water flow generator through cables; and the power supply circuit is connected with the generator rectification circuit, and the power supply circuit is electrically connected with the CPU. The river water online detection device can perform fixed point detection of water quality condition of river water and perform real-time detection, the detection can be automatically performed is fast in speed with no need for sampling, and a detection result is directly sent to a network through radio to realize online detection of the water quality condition of the river water.

The invention relates to an integrated system with solar energy and a ground-source heat pump combined for complementary energy supply. The system comprises a flat-plate type solar thermal collector, a vertical U-shaped cluster buried pipe, an integrated control unit, a user need terminal and a ground-source heat pump unit, wherein the flat-plate type solar thermal collector is used for collecting the year-round solar energy and providing thermal energy; the vertical U-shaped cluster buried pipe is connected with the flat-plate type solar thermal collector and used for storing the solar energy to supply heat in winter; the integrated control unit is connected with the flat-plate type solar thermal collector and the vertical U-shaped cluster buried pipe correspondingly, the on-off of an upper valve of a pipeline and the start and stop of a water pump are controlled by a control module to switch into different operating modes; the user need terminal is connected with the integrated control unit; and the ground-source heat pump unit is connected with the control module, a heating water tank, the tail end of a fan coil and the vertical U-shaped cluster buried pipe correspondingly. Compared with the prior art, the system has the advantages of being high in energy efficiency, high in degree of internet of things, high in engineering interchangeability, more sound in function and the like.

The invention belongs to the technical field of integrated energy system operation and control, and particularly relates to an integrated energy system collaborative scheduling method based on a source-load double-side interactive game. The method comprises the following steps: (1) inputting initial data, including initial electricity, gas and heat load curves, parameters of each device in a service provider and an initial energy price formulated by an energy supplier; (2) establishing a park-level integrated energy system source-load interactive game framework; (3) establishing a source-load interactive game structure of the park-level integrated energy system; (4) establishing a park-level integrated energy system multi-energy collaborative optimization scheduling model based on a source-load double-side interactive game; (5) establishing a park-level integrated energy system multi-energy collaborative optimization scheduling Matlab platform solving interaction process based on a source-load double-side interaction game; and (6) carrying out simulation analysis on the multi-energy collaborative optimization scheduling effectiveness of the park-level integrated energy system based on the source-load double-side interactive game. According to the invention, the complementation and substitution effects of various energy sources can be fully exerted.

The utility model provides a solid grain block heat accumulating type multi-generation unit realizing low-cost and high efficient energy utilization via mutual use of various energies and heat accumulation via a heat accumulator, and in particular realize effective utilization of waste heat and low ebb power. Solid grains are employed as heat accumulating material; the solid grains are transferred to a container; at least three chambers are formed in the container, one heat accumulating chamber, one multi-generation component chamber and one control system chamber; a heat exchanging component is arranged between the solid grains and a multi-generation component; heat is exchanged between heat energy and the solid grains in the container via the fluid; and when heat energy is required, heat energy is used via the fluid. The utility model also aims to provide a solid grain block heat accumulating type multi-generation unit trolley moving the heat accumulator to an area requiring heat energy for utilization; and movable heat accumulation can be achieved.

The invention discloses a railway vehicle running gear welding seam detection method. The method comprises the following steps: acquiring a detection image; performing down-sampling based on the detection image and generating a multi-scale feature map; fusing the plurality of feature maps and generating a plurality of fused feature maps; extracting defect category information and defect position information based on the fused feature map; and generating a detection report based on the defect category information and the defect position information. The multi-scale feature maps contained in the detection image are extracted, and feature fusion is carried out on the feature maps of different scales by utilizing the characteristic that the semantic information contained in the feature maps of different scales is different in strength, so that on one hand, complementary utilization of the semantic information contained in the feature maps of different scales is realized, and on the other hand, the influence that unreliable data are introduced or important target features are lost in the detection image preprocessing process due to the fact that the size of the detection image is uncertain is avoided, and the image feature recognition capacity for detecting the tiny defects of the welding seam is improved.