319 results about "Energy development" patented technology

The invention relates to a method for evaluating the new energy development potential of regional power grids based on power generation absorption. New energy power characteristics are described from the level of new energy output power parameters, and power grid structure constraints are described from the level of power grid load flow calculation parameters. Based on a sequential production simulation method, by establishing a multi-period load flow optimization evaluation model and adopting matlab software for programming simulation calculation, a corresponding new energy receptivity evaluation model is established with the power generation of new energy units as the objective function and the new energy wind curtailment / light curtailment rate as the constraint. The new energy development degree of the regional power grids is comprehensively measured, visual development potential measurement indexes are obtained finally, and the new energy receptivity trend of the regional power grids is analyzed in a drawing mode. The power generation of the power grids by renewable energy absorption is simply and visually calculated, and reasons for the insufficient new energy receptivity of the power grids are analyzed. The economy and safety of power grid operation are analyzed based on various operation scenes, and the new energy receptivity of the power grids under various scenes is studied.

The invention relates to a deep coal resource mining method. When the buried depth of a coal bed is 800 to 3,000 meters, the thickness is more than 3 meters, an inclination angle is less than 10 degrees, and pressure is more than 10 Mpa, the most advanced well drilling and cementing, high-temperature resistant and high-pressure well completion technologies in oil industry, vertical shafts and vertical shafts and gas injection and gas production combined methods are adopted; the method is characterized by comprising the following steps of: drilling three vertical shafts first, wherein the distance between the wells is 500 meters; drilling a horizontal well which is more than 500 meters deep from a secondary well to a central well, combusting a long tunnel which is 1,000 meters long and 10 meters wide by a special combustion method, wherein the tunnel is a gasification tunnel special for gas production, observation, monitoring and the like, and drilling a plurality of overlong horizontal wells in the reverse direction according to the inclination gradient of the coal bed. The deep coal bed gas and the deep coal are gasified underground, and exploited in a combined way, so the problem of shortage in energy resources in China can be greatly improved, the method is a new environment-friendly, low-carbon, innovative new-energy development technology, and low in cost and has great economic value, and investment is reduced.

The invention provides an energy utilization method of carbon dioxide zero-emission type organic wastes, comprising the following steps of: (1) collecting and pretreating raw materials; (2) preparing hydrogen by anaerobic fermentation and purifying hydrogen; (3) fermenting methane and generating power by the methane; (4) treating biogas slurry and fixing carbon dioxide with microalgae; (5) processing biogas residues and planting energy grass; and (6) recycling afterheat. The method is suitable for treating various types of organic wastes, can be used for treating agricultural organic wastes, industrial organic wastes, domestic organic garbage, mud, and the like and the industries of developing new energy, and the like. The method can carry out a concrete application example of cyclic economy, eliminates environmental pollution, obtains clean energy at the same time, has no greenhouse gas emission in the process and can realize three effects of treating wastes, generating renewable clean energy and reducing carbon dioxide emission.

The invention provides a catalyst used for methanation of carbon dioxide, a preparation method therefor and applications thereof. The catalyst employs precious metal Ru or Rh as a main catalytic activity component, employs one or more selected from elements of the I and II main groups and the II, III and VII subgroups as auxiliary agents, and employs one or more selected from SiO2, TiO2, Al2O3, CeO2 and ZrO2 as carriers. The above catalyst is used in graininess or the carriers, the auxiliary agents and the activity component are subjected to coating (wall loading) on a whole structural catalyst and metal honeycombs. The catalyst has characteristics of high activity and selectivity and wide temperature and pressure operation windows. The catalyst can be used for hydrogenation methanation removal of CO2 in a space station, then generated H2O is subjected to electrolysis, and circulation supply of oxygen is achieved. The catalyst also can be used for processes of other CO2 conversion utilization of coal-made natural gases and process gases and the like and new energy development and energy saving and emission reduction are achieved.

The invention provides an energy utilization system of organic wastes with zero emission of carbon dioxide, which organically combines anaerobic fermentation hydrogen production, methane fermentation, CO2 absorption, microalgae fixation CO2, biogas liquid treatment and energy grass planting. The system is suitable for treating various types of organic wastes, can be applied to the treatment of agricultural organic wastes, industrial organic wastes, domestic organic wastes, slurry and the like, and the industries, such as new energy development. Through the application of the invention, the specific application demonstration of recycling economy can be carried out, clean energy is obtained while eliminating environmental pollution, no greenhouse gas emits in the process, and the triple effects of wastes treatment, production of clean and renewable energy sources and reduction of carbon dioxide emission can be realized.

The invention relates to a method of preparing a gradient TiO2 nanotube array film by utilizing the method of multi-step anodic oxidation. Firstly, phosphoric acid, hydrofluoric acid, ammonium fluoride, glycerin and deionized water are adopted as raw materials and prepared into a water-base electrolyte and an organic electrolyte respectively; secondly, the two electrode systems composed of a titanium foil sheet and a platinum sheet are placed into the water-base electrolyte and the organic electrolyte for a repeated anodic oxidation; and finally, the TiO2 nanotube array film material with a gradient structure is generated on the titanium foil sheet. The method is fit for manufacturing photoelectrochemical apparatuses of various types and has a far-ranging application prospect in the industrial fields of light energy utilization, green energy development, sewage disposal and so on.

The present invention relates to an area new energy development scale and layout analysis method based on power grid constraint. The method comprises the steps of establishing an area new energy development model based on the electric power system production simulation, establishing a new energy consumption level measurement index, optimizing a conventional power supply power on combination considering the safety constraint, researching the electric power system production simulation, and analyzing the new energy development scale, the new energy electric quantity consumption and the conventional power supply operation cases in a continuous time sequence. On the above basis, a sensitivity analysis is carried out based on the static voltage stability, a wind power development scale capacity distribution research method is provided, and an area power grid new energy development layout is optimized. The method of the present invention completes a new energy grid connected consumption research method system, and provides the technical supporting for the large scale new energy development and planning.

The invention provides a novel shock float-type ocean wave energy generation device which is downsized and low in power. The novel shock float-type ocean wave energy generation device comprises a wave energy absorption device, a transmission device, an output device and a base. The wave energy absorption device is mainly composed of a float and a connecting rod and used for absorbing potential energy of up and down waves. The transmission device comprises a double-rack component, a double-gear component and an output shaft, wherein a ratchet wheel pawl mechanism is arranged in the double-gear component, so that racks on the two sides only drive corresponding gears in the single direction to rotate, and finally the wave energy is converted into mechanical energy for continuous rotation. The output device is composed of an electric generator, a speed increaser and a coupling and used for converting the mechanical energy into electricity energy. The whole generation device except the connecting rod and the float is fixed on the base, and the novel shock float-type ocean wave energy generation device is simple in structure and reliable in performance and has excellent promoting significance for ocean energy development.

The invention discloses a power big data system based on an intelligent power grid, and the system comprises a big data analysis platform, a power plant terminal, a transformer station terminal, and an intelligent community terminal, wherein the power plant terminal, the transformer station terminal and the intelligent community terminal are respectively connected with the big data analysis platform. The power plant terminal is used for collecting the power generation information in the power plant, and controlling an executing mechanism of power generation equipment. The transformer station terminal is used for collecting the power transmission and transformation information and controlling an executing mechanism of power transmission and transformation equipment. The intelligent community terminal is used for collecting the information of a smart home and controlling an executing mechanism of the smart home. The big data analysis platform is used for the controlling of instruction input, the loading and extracting of related data, data analysis and mining, the graphical displaying of analysis results and the generation of an analysis report. The system is objective and true in obtained big data, is high in accuracy, can determine a plan of optimal operation and load control, can achieve the reasonable formulation of marketing strategies of a power enterprise, can update regional energy development plans, and obtains external data of the power enterprise so as to obtain commercial values.

The invention discloses a well group reforming comprehensive utilization method for waste oil wells, and belongs to a geothermal energy mining and utilizing technology. According to the method, the well sealing work on the waste oil wells is completed by carrying out sealing of the single well, perforation or perforation fracturing, sand flushing for well washing, upper sleeve reforming and water pumping test on the waste oil wells, and then combined utilization of a waste oil well group is completed by carrying out heating network connecting and effect test on the sealed single well. According to the method, the problem that the waste oil wells are left unused is solved, wastes are turned into treasures; a new way for utilization of the waste oil wells in an oil field is developed; meanwhile, a technical support is provided for development and utilization of energy with a thick heat storage layer, a large distribution area and high geothermal temperature; the energy saving and emission reducing effects are good; the waste oil well reforming cost is low, and the social and economical benefits are outstanding.

The invention provides a novel pendulum-rod-type ocean wave energy power generation device which comprises a pendulum rod, a connecting rod mechanism, a gear mechanism, built-up gears, a power generator gear, a power generator, a base and a plurality of bearings. The pendulum rod converts undulatory motion of waves into oscillating of the pendulum rod, two sides of the pendulum rod are connected with the gear mechanism and the connecting rod mechanism respectively, the gear mechanism and the connecting rod mechanism drive the built-up gears corresponding to the two sides of the pendulum rod to rotate, a hub and a gear ring of each built-up gear are separated, a clutch mechanism is arranged between the hub and the corresponding gear ring to enable the corresponding built-up gear to be capable of only working unidirectionally and outwards, and the power generator gear is fixed on an input shaft of the power generator and arranged between the two built-up gears. The whole device is assembled into a whole through the base, can be fixed on a sea floating body or a ship for power generation and is a novel small wave power generation device, the problem that existing wave energy power generation devices are low in power generation efficiency, high in cost and the like is effectively solved, and the novel pendulum-rod-type ocean wave energy power generation device has great significance in ocean energy development.

The invention discloses a three-dimensional nitrogen-doped transition metal oxide / nickel sulfide composite catalyst. The catalyst includes nickel foam, nitrogen-doped transition metal oxide and nickelsulfide, wherein the nickel foam serves as a substrate, and the nitrogen-doped transition metal oxide grows on the nickel foam in situ. The invention further discloses a preparation method of the three-dimensional nitrogen-doped transition metal oxide / nickel sulfide composite catalyst. The method includes the following steps that the nickel foam substrate is impregnated in an ammonium tetrathiomolybdate solution and dried after impregnation, and an ammonium tetrathiomolybdate contained nickel foam precursor is obtained; the nickel foam precursor is subjected to vacuum high-temperature calcination, and the molybdenum dioxide / nickel sulfide composite catalyst is obtained; the molybdenum dioxide / nickel sulfide composite materials are subjected to thermal ammoniation, and the three-dimensional nitrogen-doped transition metal oxide / nickel sulfide composite catalyst is obtained. The invention further provides the application of the composite catalyst as a cathode catalyst material in an electrolytic water cathode HER reaction, the composite catalyst shows excellent electrocatalytic performance in alkaline electrolyte and has good stability, and the possibility of hydrogen energy development and utilization is further improved.

The invention provides a high selectivity carbon dioxide methanation catalyst and a preparation method and application thereof, the catalyst comprises active components, auxiliary agents and a carrier; noble metal Ru or Rh is used as a main catalytic active component, one or a plurality of elements selected from I and II main group and II, III and VII sub group are used as the auxiliary agents, and Ce-Zr oxide in a certain proportion is used as the carrier. The high selectivity carbon dioxide methanation catalyst is used in the manner of particles or coating (wall loading) of the carrier, the auxiliary agents and the active components on to an overall structure catalyst or a metal honeycomb. The catalyst has high activity and high selectivity of methanation, no CO content and the like, the catalyst can be applied to hydrogenation methanation removal of CO2 in a space station, can be applied to the process of natural gas production from coal, process gas CO2 conversion and utilization process and the like, and can realize the new energy development and energy saving and emission reduction.

An ultra-large hydroelectric station can turn the kinetic energy generated through flowing seawater and flowing river water into mechanical energy, and then turn the mechanical energy into electric energy, and in this way, people can use clean and low-cost electric energy. Specifically, according to the ultra-large hydroelectric station, a water turbine central spindle is fixed in a movable mode, the position of a water turbine is unchanged and the water turbine is accumbent on the flowing water surface towards the direction of water flow. One half of the water turbine is in the water and the other half of the water turbine is in the air. Propellers of the water turbine are powered by waterpower to drive the water turbine to rotate. The rotating of the water turbine drives a generator to produce electricity and produce the electric energy day and night. The ultra-large hydroelectric station is arranged over the sea and the river all around for tens of thousands of square kilometers and produces huge electric power for the whole of China. The hydroelectric station belongs to a clean energy, a renewable energy and a lowest generating-cost energy. Even in the next one thousand years and the population of China reaches five billion, the power supply can also be met. The hydroelectric station can thoroughly solves the energy problem, the haze problem and the climatic change problem in China, and is the only right way for the current electric energy and energy development in China.

The invention discloses a hydrodynamic machine, and a using method and application thereof, and belongs to the technical field of development and utilization of new energy source, namely water flowing energy source. Because of shortage of applicable mechanical equipment and an implementation method, the most abundant and cleanest renewable energy source, namely water flowing energy is not put into use yet. A waterwheel type paddle wheel water motor, a screw type water motor, and a combined propeller type water motor are used as prime motors to drive a generator, a pump, a sediment disturbance machine, a disturbance-suction type sediment lifting machine and a bucket sediment excavator working machine so as to form water flow power generation, water diversion irrigation, and channel cleanout mechanical equipment and systems, a water flow power generation station and a water diversion irrigation station are established, a long-range water diversion project is implemented, and an innovative method is provided for comprehensive treatment of river channel sedimentation disasters. Through the mechanical equipment and the using method, a specific and feasible technical scheme is provided for water flow power generation new energy development, implementation of a project of water diversion from Yellow River into the Loess Plateau, and danger elimination of aboveground rivers of the Yellow River, and Huai River.

The invention provides a device for separating and recycling hydrocarbon components and hydrogen gas from refinery dry gas and a process for separating and recycling the hydrocarbon components and the hydrogen gas by adopting the device. After treatment by the method, C2 and C2+ light hydrocarbon components in the mixture gas can be recycled, moreover, H2 in the mixture gas can be concentrated and purified, so that the additional value of the mixture gas is maximized, ideal economic benefits can be produced, Chinese energy development strategies are met, and besides, carbon dioxide emissions are reduced.

The invention discloses an offshore comprehensive energy generating system in the technical field of energy development and utilization. The offshore comprehensive energy generating system comprises a wave energy conversion device, a wind energy conversion device, an ocean current energy conversion device, a power transmission case and a direct drive generator, wherein the wave energy conversion device, the wind energy conversion device and the ocean current energy are respectively connected with the power transmission case, the power transmission case is connected with the direct drive generator, the wave energy conversion device is used for converting wave energy to mechanical energy and outputting the mechanical energy to the power transmission case, the wind energy conversion device is used for converting wind energy to mechanical energy and outputting the mechanical energy to the power transmission case, the ocean current energy conversion device is used for converting ocean current energy to mechanical energy and outputting the mechanical energy to the power transmission case, the power transmission case is used for receiving the mechanical energies output by the wave energyconversion device, the wind energy conversion device and the ocean current conversion device and superposing the received mechanical energies to drive the generator to generate electricity. By the adoption of the offshore comprehensive energy generating system, the problems of the traditional offshore comprehensive energy generating system, such as poor stability and complicated structure, can besolved.

The invention provides a three-stand-column semi-submersible type offshore wind turbine foundation which serves offshore wind energy development. The three-stand-column semi-submersible type offshorewind turbine foundation comprises three vertical stand columns arranged in a triangular shape, the overwater height of the stand columns is about 1 / 3-1 / 4 of the total height of the foundation, a winddriven generator is mounted at the top of the main stand column, the underwater bottom end of the main stand column is connected with the two peripheral secondary stand columns through floating barrels, and the included angle between the two floating barrels ranges from 60 degrees to 90 degrees. The structural style is simple, and the force transferring route is clear. The stand columns are hollow, and stiffening ribs and ballast cabins are arranged. Anchor gears are arranged on decks of the three stand columns, fair leads are fixed to column bodies, and tension ribs are connected with external ballast on the seabed. The contact degree of the externally hung ballast and the seabed, the inclination angle of a fan-foundation system is controlled, and efficient wind energy collection is guaranteed. A braced chain is adopted by the foundation for mooring, and connected with a pull type anchor on the seabed.

The invention relates to a method for preparing metal nanometer particles with hexagonal network in lattice distribution on a substrate, which belongs to the technical fields of nano-material preparation and application. The method comprises the following steps: preparing a layer of metal film by a physical vapor deposition method on the substrate with a hexagonal close-packing microsphere template, rapidly removing the template to obtain a triangle metal nanometer particles array which is orderly arrayed, introducing inert gas under the temperature below 30 DEG C-80 DEG C which is an eutectic point of the substrate and the metal material, performing a rapid thermal annealing treatment to the substrate disposed horizontally to obtain the nearly semispherical metal nanometer particles with hexagonal network in lattice distribution on the substrate. The method has the advantages of simple flow and mature technology which realizes adjustable density and diameter of the metal particles and well-regulated assignment. The invention has wide application prospects in the fields of nano-material engineering, novel energy development and the like.

The invention relates to solid off-peak electricity energy storage equipment. The equipment has a heat storage unit, a heat exchange unit and a control unit; the heat exchange unit and the heat storage unit are controlled by the control unit to exchange heat with a user end, wherein the heat storage unit includes a heat storage body, a heating unit set and a thermal insulation layer; the heating unit set is arranged in the heat storage body for converting off-peak electricity to heat energy and storing the heat energy in the heat storage body; the thermal insulation layer is arranged at the outer periphery of the heat storage body; the heat exchange unit includes a fan, a heat exchanger, an air flue and an air chamber, and outputs the heat energy in the heat storage body to the user end through a heat exchange mode; and the control unit includes a power cabinet, a control cabinet, a PLC and a touch screen. The equipment stores heat in the low-cost period of off-peak electricity, is a high-efficiency clean energy saving thermotechnical product in the normal-cost period at the electricity utilization peak in the day, is intelligent equipment for heating and heat supply by using an automatic control system, reduces the electricity utilization cost, is free of pollution, and is a trend in future cleaning energy development.

The invention discloses a portable mobile hydrogen making machine based on the principle of making hydrogen through methyl alcohol water. The portable mobile hydrogen making machine based on the principle of making hydrogen through methyl alcohol water comprises a vaporizer and a reforming chamber and further comprises a machine case. The vaporizer and the reforming chamber are arranged in the machine case. The machine case is provided with a methyl alcohol water raw material inlet and a hydrogen outlet; a hydrogen purifying module, a combustor and a master control panel are further arranged in the hydrogen making machine. The methyl alcohol water raw material inlet, the vaporizer, the reforming chamber, the hydrogen output end of the hydrogen purifying module and the hydrogen outlet are sequentially connected. External alternating current or a large potential device are not needed, the size is small, the portable mobile hydrogen making machine is portable and easy to move, heat self-supply is achieved, running of the hydrogen making machine can be maintained just by providing a methyl alcohol water raw material, the problem that hydrogen transportation and storage cost is high is solved, the hydrogen energy using cost is reduced, the portable mobile hydrogen making machine has a large promoting effect on hydrogen energy development and the situation that hydrogen energy enters the market for production, sustainable development of energy use is achieved, and economic benefits and social benefits are greatly improved.

The invention discloses a hydrogen power generation system capable of producing and storing hydrogen. Biomass resources are adopted as the raw materials, biomass thermochemical hydrogen production is utilized to decompose all agricultural straws into hydrogen-rich gas, and hydrogen in the hydrogen-rich gas is stored in an organic hydrogen storage material through an organic hydrogen storage device. The organic hydrogen storage material involved in the invention is composed of 2-methyl-[1, 8]-naphthyridine, diazafluorene and N-methylindole, has the characteristics of high hydrogen storage density and appropriate dehydrogenation temperature, the hydrogen released from the organic hydrogen storage device can be directly used for fuel cells, and hydrogen energy can be converted into electric energy or directly used for heat supply through hydrogen fuel cells, thus enhancing the economical efficiency of energy utilization. The power generation system provided by the invention is convenient and flexible, is suitable for establishment of a distributed energy system, and is applicable to energy development in areas away from the power grid and rich in biomass resources. The system combines biomass power generation technology with hydrogen technology, utilizes hydrogen energy as the biomass power generation intermediary, combines the high efficiency and flexibility of fuel cells, and realizes clean and efficient conversion of biomass to electricity.

The invention relates to a highly selective oxygen-containing coal mine methane catalytic deoxidation catalyst and a preparation method thereof. One of or a combination of several of the noble metal Pt, Pd and Rh is adopted as the main active component, rare earth, alkaline earth or alkaline metal is taken as the additive, and one or more of ZrO2, TiO2, Co3O4, SnO2, CuO, Fe2O3, CeO2, and SiO2 are adopted as the carrier. The catalyst carrier can be molded through different methods, and then the additive and the active component are employed to coat the molded carrier, or the carrier, the additive and the active component are employed to coat (wall load) the whole structure catalyst or metallic honeycomb for application. The catalyst provided by the invention has the characteristics of complete combustion activity of methane and selectivity under high fuel-rich atmosphere, no H2 or CO in the product, and the like. The catalyst can be applied to catalytic deoxidation of oxygen-containing coal mine methane, and also can be used for other combustible gas removal processes to realize new energy development and energy saving and emission reduction.

The invention provides a carrying capacity evaluating method for an intelligent distribution and utilization system. The carrying capacity of the intelligent distribution and utilization system refers to the bearing capacity of power generation and load fluctuations of lines and equipment in a distribution network in the aspects of technical rationality, safe reliability, economy, environment, energy and capacity margin under the conditions of external social economy, environment and energy development, wherein the conditions support the development of a power grid. The method comprises the steps that according to the carrying capacity theory and the characteristics of the intelligent distribution and utilization system, an intelligent distribution and utilization system carrying capacity evaluation system is built, and various indicators of the carrying capacity of the intelligent distribution and utilization system are acquired; according to the characteristics of generalized distributed resources such as an electric vehicle, a distributed power supply, an energy storage system and a flexible load, the load curve of a generalized distributed resource charging station is given; and the relationship among various variables of the carrying capacity of the intelligent distribution and utilization system is analyzed to construct the system dynamics model of the carrying capacity of the intelligent distribution and utilization system. According to the invention, technical support and decision-making basis are provided for sustainable development of the intelligent distribution and utilization system.

The invention relates to the field of design and manufacturing of new energy source development testing equipment and provides a testing device and a simulation method of enhanced type terrestrial heat exploitation simulation, aiming at solving the problem in the prior art that a complete set of equipment for simulating high-temperature and high-pressure environments does not exist. The testing device of the enhanced type terrestrial heat exploitation simulation, provided by the embodiment of the invention, is provided with a first pump and a heating device and is used for simulating underground high-temperature and high-pressure environments with different depths; the testing device is further provided with a second pump for providing high-temperature liquid for a liquid feeding hole of a test sample in a testing space and is provided with a plurality of acoustic emission sensors which are mounted in an manner of surrounding the test sample, are used for positioning an acoustic emission event and carrying out wave-velocity tomographic imaging and are used for monitoring positions of cracks and an evolution law of crack sizes. The testing device of the enhanced type terrestrial heat exploitation simulation, provided by the embodiment of the invention, can obtain testing data which has relatively great effect on optimization of production parameters and improvement of the production efficiency in actual field production.

The invention relates to the technical field of energy consumption, in particular to an integrated energy predicting method, namely a consumed energy predicting method. The method includes selecting regional factor historical data and energy consumption requirement actual value as data samples according to particular years; combining with the acquired data, excavating relationships of different years and types, and searching for sample weights of regional factor samples corresponding to an energy consumption requirement actual value so as to determine the affecting level of regional factors of different years on energy consumption requirements; adopting the prediction algorithm based on linear mapping to predict a total annual consumption requirement value of one region of one year. The relationships of factors and prediction results can be represented objectively, the efficiency of the algorithm is improved, the energy consumption predicting process is more effective and rapid, the energy prediction accuracy can be improved on the economic development fresh normalcy and energy environment strong constraint conditions, the regional energy balance is calculated, and the reasonable and feasible energy development and safety guarantee policy can be determined finally.

The invention provides a method for generating coal gas underground through air fracture and micro negative pressure, and belongs to the field of energy development. The method comprises the following steps that air inlet wells and a plurality of gas outlet wells are drilled, then a gasification tunnel is formed along drilled holes in the bottom of a coal seam to enable the air inlet wells and the gas outlet wells to be communicated, and therefore a gasification furnace is formed integrally; the coal seam is fractured through multi-level air pressure raising, igniter is added in an oxidation section between two adjacent wells, the igniter enables partial coal underground to burn, and generated mixed gas is exhausted to a ground well mouth through the gas outlet wells to obtain gas mixture of CO, H2 and CH4; in the burning process, micro negative pressure is formed in the gas outlets of the gas outlet wells and three working sections. The air fracture technology enables fractured coal to be loose, even and convenient to burn, environment pollution is not likely to happen, and gasification efficiency and gas output are guaranteed; the micro negative pressure prevents the generated gas from diffusing and escaping to other directions, and underground water pollution also can be avoided. The method can achieve the purposes of high coal recovery efficiency, low cost, environment friendliness and energy conservation.

The invention discloses a preparing method of TiO2 nanometer pipe array with anodic oxidation method in photoelectric function film technical domain, which comprises the following steps: choosing dimethyl formamide and fluohydric acid as raw material; allocating organic electrolytic solution with mass percent of fluohydric acid at 0.1-5%; proceeding anodic oxidation reaction with the reacting time bigger than 5 h; growing the TiO2 nanometer pipe array with the length excesses 20 micrometer, pipe diameter excesses 100 nanometer and length-diameter ratio can reach above 200; setting the voltage at 10-40 volt; This method can be utilized to produce various photoelectron chemistry component, which possesses wide prospect in domains of light energy utilization, green energy development and waste water treatment.

The invention relates to an electric power self-supporting process of an electric vehicle. Windward resistance when the electric vehicle runs is developed as energy resources by using a law of energy conservation. With a hole arranged at the center of a vehicle head, a wind pipe channel is provided for flowing air, the flowing air pushes a fully permanent magnet suspension wind driven generator to rotate for generating power while accelerating for exhausting, and electric power is continuously provided for a storage battery. The invention particularly relates to an electric power self-supporting process of the electric vehicle under the premise of not reducing the dynamic performance and the safety coefficient of the electric vehicle. The electric vehicle has simple structure. The invention has the advantages that the electric vehicle is replaced with a fuel vehicle, the earth greenhouse gas effect is remarkably released, and the direct economic benefit and the energy-saving emission-reducing benefit reach above billions.

The invention discloses a MoP / C composite nanomaterial for alkaline electrocatalytic hydrogen evolution. Through holes which are arranged regularly are formed in nanowires, the holes are arranged in parallel in one direction, the diameter of the holes is 0.8-1 nm, and the surface of the nanowires is wrapped with a uniform C layer with the thickness of 3-4 nm. The whole experiment process is simpleand convenient to operate, mass production of the product is facilitated, the obtained product has regular through holes of 0.8-1 nm, the C layer of 2-4 nm thick is arranged on the surface, and diffusion of H2 is facilitated; the C layer on the surface facilitates charge transport, has a good catalytic effect on electrocatalytic hydrogen evolution and shows good hydrogen evolution performance inan alkaline solution, the initial voltage of electrocatalytic hydrogen evolution is 26 mVvsRHE, the current density can reach 10 mA / cm<2> when overpotential is 78 mV, the product has good stability, the current density is reduced by 1% or below within 14 h under the constant voltage pf 120 mV, and the nanomaterial has the stable through hole structure, has no collapse, is good in conductivity andeasy to recover and has broad application prospects in energy development and storage.