1056 results about "Energy technology" patented technology

The invention belongs to the fields of material synthesis and energy technology, and especially relates to a graphene/metal oxide composite cathode material for lithium ion batteries and a preparation method thereof. Grapheme is dispersed into various metal oxide precursor salt solutions; a graphene/metal oxide compound is obtained directly by a hydrothermal method, or an graphene/metal oxide compound is obtained by a liquid in-situ polymerization method or a coprecipitation process; and the graphene/metal oxide compound is obtained by heat treatment or hydrothermal treatment. In the invention, the novel three-dimensional composite cathode material of graphene-coated metal oxide or graphene-anchored metal oxide is prepared by carrying metal oxide particles with graphene as a carrier. The obtained composite material can be used as a lithium ion battery cathode, which has a high specific capacity, excellent cycle stability and rate capability, and is expected to be used as a lithium ion battery cathode material with a high energy density and a high power density.

The invention relates to an equal-micron energy source and a manufacturing method thereof, relating to the energy technical field. The equal-micron energy source comprises a collector anode, a cathode and equal-micron collecting layers; wherein, a through-hole is arranged on the collector cathode, and the equal-micron collecting layer is respectively coated on two side surfaces of the collector cathode, and the collector anode is respectively coated onto the outer surfaces of two equal-micron assembling layers. A cathode lead contact piece of the collector cathode is fixedly connected with an energy cathode through an extension line, and any end of one side of the collector anode is fixedly connected with an energy anode through the extension line, and two ends of the other side of the collector anode are electrically connected through leads. The equal-micron energy unit has voltage from 1.35 V to 1.75 V and can be arranged into power supplies of various power requirements through connection in series or in parallel. The invention has simple manufacturing process, can convert the received equal-micron from space into current and can be regarded as a clean energy source without any pollution emission.

The invention relates to micro distributed solar-driven combined cooling heating and power system belonging to field of energy technology. The invention includes: solar collection system, organic Rankine cycle thermal power generation system, adsorption refrigeration system, heating and hot water system, hot water distribution system, control system, secondary combustion device. The solar collection system is connected to the pipe of the hot water distribution and control system via the secondary combustion device, and the organic Rankine cycle thermal power generation system and the adsorption refrigeration system and the heating and hot water system are parallel connected to downstream of the hot water distribution and control system via pipes. The invention provides hot water by employing the vacuum tube solar water heater, and provides electricity by using ORC generation system, and provides cold water used by air conditioner and hot water by using the adsorption refrigeration system; the regulation and control on the hot water distribution system is user-oriented, and the system generates electricity, refrigerates, heats based on user requirement, and the system prepares the secondary combustion device to suffice the requirement when illumination is inadequate or user requirement is overlarge.

The inventive compound heat engine consists of a power circulation system and a refrigerating circulation system, in which is mounted a control system. It can provide the fields of power engineerings, refrigerating engineerings, communications and transportations, pumping irrigations and the like with mechanical work or electric energy. It not only can convert the high-grade energy, such as the fossil fuel, the nuclear fuel and soon into mechanical work or electric energy, but also can convert the low-grade heat energy stored in the seawater, the air and the earth crust into mechanical work or electric energy. Is also can convert the new energy like the solar energy and the renewable energy into mechanical work or electric energy.

The invention relates to an energy supply system mainly through gas and steam combined cycle cogeneration, and belongs to the technical field of energy sources. The system adopts a mode of combined heating of a smoke condensing heat exchanger, a condenser, a steam absorption heat pump, a high-temperature smoke heat exchanger and a steam-water heat exchanger on a heat source side; return water of a heat supply network directly recovers low-temperature smoke condensed waste heat, high-temperature smoke waste heat or condensed steam waste heat; and simultaneously, the steam absorption heat pump driven by extracted steam is used for recovering condensed steam discharged heat or partial smoke waste heat. During heat supply in winter, a client uses a supplementary-fired hot water absorption heat pump and a water-water heat exchanger to heat secondary water in the heat supply network for heat supply and extract low-grade heat for heat supply from a superficial layer soil source, an underground water source or a geothermal water source; and in summer, the client uses the hot water absorption heat pump to refrigerate hot water in the heat supply network and a liquid desiccant air conditioner to remove humidify and preheat domestic hot water. Compared with the conventional system, the system of the invention has good economy and application prospect; and the energy utilization rate of the system is greatly improved.

The invention discloses a method for reducing return water temperature of a heat supply pipeline, which belongs to the technical field of energy. A waterway system of the heat supply pipeline is divided into a primary network hot water pipeline and a secondary network hot water pipeline, and the return water temperature of a primary network of the heat supply pipeline of a centralized heat supply system is reduced with the help of an absorption heat pump/refrigerator and a water-water heat exchanger or the single absorption heat pump/refrigerator, thereby increasing the temperature difference between supply water and return water of the primary network, wherein, when the single absorption heat pump/refrigerator is used, the primary network hot water pipeline and the secondary network hot water pipeline are connected by adopting the direct connection way, when the absorption heat pump/refrigerator and the water-water heat exchanger are used, the primary network hot water pipeline and the second network hot water pipeline are connected by adopting the indirect connection way. The method can greatly reduce the return water temperature of the primary network pipeline, increase the temperature resistance between the supply water and the return water of the primary network, further reduce the initial development of the heat supply pipeline and the transmission and distribution energy consumption of the primary network to a greater extent, reduce the operation cost of centralized heat supply and enlarge the heat supply radius of a heat source for heat supply.

The invention relates to a method for controlling array light beam co-target collimation of a target in a loop based on light spot centroid calculation. The coordinates of the centroid of a light spot on an imaging plane are obtained through a light spot centroid algorithm, a tilt control quantity which needs to be conducted on each light beam is obtained according to the quantitative relation between tilt control of a tilting mirror of the corresponding light beam and a light spot movement vector, and the centroid of the light spot is moved to a target spot of an image device through control over the tilting mirrors. Co-target collimation of all the light beams of the target in the loop is realized through sequential control cover the array light beams. There is no need to accurately describe or obtain a light path, and a control scheme is simple and convenient and easy to implement. The adopted centroid of the light spot serves as a performance evaluation function which is simple, convenient, high in real-time performance, and remarkable in effect, and consumes a short time. The method for controlling array light beam co-target collimation of the target in the loop based on light spot centroid calculation has extensive application prospects in satellite tracking, the directed energy technology and other fields.

The invention discloses a method for producing a clean fuel by adopting chlorine-containing plastic oil, and belongs to the fields of environmental protection and energy technologies. The method is characterized by comprising the steps of injecting the chlorine-containing plastic oil into a catalytic distillation tower filled with a molecular sieve/alumina catalyst for reaction and rectification; performing heat exchange on the chlorine-containing plastic oil after catalytic cracking, feeding the chlorine-containing plastic oil after heat exchange into a low-pressure liquid phase hydrogenation tower, and performing hydrogenation and dechlorination, wherein the used catalyst is a supported metal catalyst; feeding the distillate oil after the liquid phase hydrogenation into a washing tower, circulating the aqueous phase of the lower layer at the tower bottom, compressing the washed distillate oil of the upper layer, feeding the distillate oil into a hydrofining tower, hydrofining with a sulfide catalyst, removing monoene compounds through monoene hydrogenation saturation reaction, removing sulfur, nitrogen and colloids to obtain mixed gasoline and diesel oil without peculiar smell and with high quality, distilling to obtain distillate oil of gasoline and diesel oil, and mixing the heavy oil at the tower bottom and the chlorine-containing plastic oil serving as a raw material for reacting again. The method has the advantages that the process is simple and the activity and selectivity of the catalysts are high, and has good economic benefits and industrial application prospect.

The invention belongs to the technical field of energy sources, and relates to a concentrated heat supply system for reclaiming smoke afterheat by an absorption heat pump. The system is used for reclaiming smoke afterheat of natural gas and water. The system is composed of a smoke flue, the absorption heat pump, a spray device, a water quality processing device and a circular water pump; smoke flows in the smoke flue from bottom to top; circular water is ejected by the spray device to form atomized drops for directly contacting with the smoke to exchange heat and is introduced to an evaporator of the absorption heat pump by the water pump after being processed by the water quality processing device after flowing out from the smoke flue; hot net returned water is sequentially introduced toan absorber and a condenser of the absorption heat pump; the circular water absorbing heat of the smoke and the hot net returned water are subjected to heat exchange in the absorption heat pump to reach the needed temperature and then are returned to a hot net. The smoke and the water are in direct contact for heat exchange in the invention; the heat of the circular water heated by the smoke is extracted from the absorption heat pump to raise the temperature of the returned water of the heat supply system; thus the total energy utilization rate of the concentrated heat supply system is increased; and the effects of cleaning the smoke and protecting the environment are achieved.

The invention relates to a heat-gaining combined heat and power system, which belongs to the application field of the energy technology, and consists of a gas engine, a power generator, an absorption-type heat pump, a high-temperature smoke-water heat exchanger, a middle-temperature smoke-water heat exchanger, a low-temperature smoke-water heat exchanger, a water-water heat exchanger, a solution dehumidifying system, a ground heat exchanger, a superficial-layer underground water well or a sewage heat exchanger and accessories such as connection pipes and valves. The system can realize two work conditions of heat supply and coldness supply, and is provided with multiple pipeline switching forms under the work conditions of the heat supply and the coldness supply so as to adapt to the requirements of different situations; the system can ensure the adequate utilization of the heat of the gas engine, can adequately recycle the surplus heat of the exhausted smoke of the gas engine in winter, and can realize the extraction of the heat of the low-temperature heat source so as to improve the comprehensive efficiency of the system and to reduce the environmental pollution; and the system can discharge the heat of the low-temperate smoke and the heat of the cooling water into the low-temperature heat source to be stored in summer; and moreover combined with the solution dehumidification and the living hot water, the energy utilization efficiency of the system can be improved.

The invention belongs to the technical field of energy resources, in particular to a flue gas waste heat recovery system based on solution absorption cycle, which is used for recovering flue gas waste heat and moisture in natural gas. The system consists of a generator, a condenser and an absorber, and the absorber is a one-level absorber or multiple-level serial absorber. High temperature flue gas from a boiler or a gas engine is used for heating a dilute solution in the generator, moisture in the solution is absorbed, the high temperature flue gas becomes high humidity fuel gas, and the dilute solution becomes a concentrated solution. The high humidity fuel gas and cooling water exchange heat in the condenser, the high humidity fuel gas is cooled to below dew point temperature, condensate water is separated out, after being cooled through a solution/solution heat exchanger and a solution/water heat exchanger, the concentrated solution sprays in the absorber and flows downwards, the flue gas flows from bottom to top in the direction opposite to that of the solution, water vapor in the flue gas is absorbed by the solution, and simultaneously, latent heat is discharged and the flue gas is discharged from a chimney. Heating backwater absorbs heat from the condenser, the absorber and the solution/water heat exchanger, and after being heated, the heating backwater can supply heat to a city heating net directly or after being heated by the boiler.

This invention provides a sliding type friction nanometer generating set, comprising a first conducting member, a first friction layer, a second conducting member, and a second friction layer, wherein the first friction layer is positioned in contact with the upper surface of the first conducting member and the second friction layer is positioned in contact with the lower surface of the second conducting member. The first friction layer comprises a plurality of first friction units; the second friction layer comprises a plurality of second friction units. The upper surfaces of the first friction units and the lower surfaces of the second friction units produce relative sliding friction under the action of the external force, the friction area is changed and the electric signals are outputted to the external circuit through the first conducting member and the second conducting members. In the friction nanometer generating set, when the periodic external force is applied on the basal plate of the generating set, the AC pulse signal output can be formed between a first conducting basal plate and a second conducting basal plate. The sliding type friction nanometer generating set can be used as a novel energy technology and can also be used as sensor technology.

The invention discloses a hybrid energy supply system coupling a natural gas based distributed energy source system with a ground source heat pump. The hybrid type energy supply system comprises a gas turbine, a lithium bromide absorption unit, an exhaust heat boiler, a first water source heat pump unit, a second water source heat pump unit, a first heat exchanger, a second heat exchanger, a third heat exchanger, an absorption dehydrating device, an underground heat exchanger, a paralleling set, an ice storage device, a first heat storage water tank, a second heat storage water tank, a construction energy consumption monitoring and controlling device and a signal feedback control network. Exhaust heat of the distributed energy source system is utilized sufficiently, and efficiency of a total energy system is further improved. Two energy source technologies of fossil clean energy and renewable energy are comprehensively utilized to couple and integrate, and advantageous complementation of the two energy sources is realized. Compared with an existing hybrid energy supply system, the hybrid energy supply system has the advantages that energy utilization efficiency is greatly improved, huge environmental protection benefit can be created, and practical significance is great.

It is a system and method about excess heat transforming into steam at temperature, it belongs to the technology field of energy technology, heat energy engineering and material engineering which intercross with each other. The open-circuit circulatory system consists of evaporator, absorber and generator, cooling crystallizer and solid-liquid separator are set between absorber and generator. Lead the steam of generator to outside, make full use of it and condensate it, actually, put the condenser outside. Use medium-high temperature heat reservoir of 300-1300deg.C as generator, and use medium-low temperature excess heat of 90-300deg.C as heat reservoir of evaporator, at the same time, get steam from absorber and evaporator. The advantage lies in that, heat recovery efficiency is high, Every middle temperature excess heat or low loading of energy and one low temperature excess heat can produce 2 medium-low pressure steam; the procedure is simple, and the fabrication cost of the equipment is low.

An automated energy consulting system and method is provided comprising an interactive input system linked to calculation algorithms and databases of energy-related products and services, affiliated service providers, and climate, financing and regulatory criteria. The system generates proposals of available energy-related products, services and financing options, and obtains and aggregates customer commitments to allow discounted purchasing of the components. Customers can earn referral commissions to encourage customers and volunteers to virally disseminate the access information. For customers not eligible for beneficial products and services because of regulatory deficiencies, the system automates the customer education process to encourage them to advocate politically for the changes that will make them eligible. The automation of the energy consulting and marketing process, mass customization, demand aggregation, and viral marketing reduce customer acquisition and component purchasing costs and reduce the price to consumers, creating new economically viable markets for environmentally friendly energy-related products and services.

A waste heat recovery type hot-water boiler device in a bathroom comprises a boiler, an absorption type heat pump set, a sewage heat exchanger, a tap water preheater, a heat storage water tank, a sewage pool, a sewage filter, a water-feeding pump, a sewage pump, a circulating water pump and a boiler backwater pump. Water from a tap water pipeline is divided into two paths, wherein one path is normally supplied to the bathroom, and after being heated by the tap water preheater and the absorption type heat pump set, the other path is supplied as bath hot water; waste bath water collected by the sewage pool is discharged after heat exchange by the sewage heat exchanger; and circulating water in a water ring exchanges heat with the sewage in the sewage [heat] exchanger and flows through the tap water preheater and the absorption type heat pump set to exchange heat. The invention sufficiently utilizes the waste heat of waste bath water, reduces the fuel consumption, effectively utilizes primary energy sources, avoids wasting high-grade electric energy, is suitable for places needing hot bath water, such as hotels, schools, gymnasiums, hamams, and the like and belongs to the technical field of energy sources.

The invention belongs to the field of energy technology application, particularly relates to a heatpump type gas-fired boiler waste heat recovery unit. The unit comprises an absorption heat pump, a flue gas-water heat exchanger, a flue gas condensation heat exchanger, various connecting pipelines and accessories. The connecting pipelines comprise a first side pipeline, a middle water circulating pipeline and a second side pipeline. First side natural gas as a driving heat source enters a generator of the absorption heat pump and then enters the flue gas-water heat exchanger and the flue gas condensation heat exchanger with smoke exhausted by the gas fired boiler, the natural gas firstly passes through a water side circulating pipeline of the flue gas-water heat exchanger to heat second side return hot water and then exchanges heat with the generator side of the absorption heat pump to be as a low level heat source through the middle water circulating pipeline of the flue gas condensation pipeline, and the heat is transferred to a second side heating network by the absorption heat pump. The unit realizes cascade utilization for flue gas heat, greatly reduces the temperature of exhausted smoke, improves the energy utilization efficiency and is mainly used for gas-fired boiler waste heat recovery in a heating system.

The invention provides a piezoelectric giant magnetostrictive combined wideband vibration energy collector, belonging to the technical field of energy. The collector comprises a frame, a bistable beam, a cantilever beam and a permanent magnet, wherein two ends of the bistable beam are fixed on the frame; the permanent magnet is attached on the bistable beam; one end of the cantilever beam is fixed on the frame, and the other end thereof is arranged by means of suspension; and a positive wire magnetostrictive layer, a piezoelectric layer and a negative wire magnetostrictive layer are connected with each other in sequence. The collector adopts a bistable structure, realizes the conversation of magnetism, machine and electricity with the product characteristic of the magnetostrictive effect of a piezomagnetic phase and the piezoelectric effect of a piezoelectric phase in composite material, and leads an MEMS energy conversation component to be capable of obtaining a lager output power under the environment of low-frequency vibration. The collector not only has simple structure, easy manufacture and small volume, but also can run in the low-frequency environment, and can output larger stable power within the range of wider environment vibration frequency.

The invention discloses a method for improving biomass and oil accumulation of oleaginous microalgae Scenedesmusdimorphus by adopting a two-stage culture strategy of co-culture and nitrogen deficiency, and belongs to the technical field of microalgae bioenergy. The invention adds a certain concentration of organic carbon source glucose to the autotrophic culture medium, and carries out concurrent culture with CO2 as the autotrophic carbon source. At the same time, under nitrogen-enriched conditions, after high-density culture of microalgae to a stable stage, the algae liquid is transferred to a nitrogen-deficient medium to continue the culture. When the glucose concentration is 1.2-5.4g/L, the initial pH is 7, and the culture time is 14-16 days, the biomass of microalgae can reach up to 4.5g/L, which is 2.57 times the biomass under autotrophic conditions; nitrogen deficiency Under these conditions, the total lipid content of microalgae reaches the highest of 29.62%, which is 1.6 times that of the nitrogen-enriched stage. By adding organic carbon sources and providing nitrogen-deficient conditions for two-stage culture, the biomass of microalgae can be effectively increased and oil accumulation can be promoted, which is of great significance to the research of large-scale production of bioenergy by microalgae.

The invention is a solar tracking locator in energy source technical field for the sunlight collecting system, where the visible light antireflex coating is coated on two surfaces of a biconvex nonspherical len, a fixer fixes an infrared filter, the biconvex nonspherical len, a photosensitive resistor array and a step motor, the infrared filter is located in front of the biconvex nonspherical len, and the center of the photosensitive resistor array is located on the focus of the biconvex nonspherical len; the sunlight firstly passes through the infrared filter, then passes through the visible light antireflex coating, and then passes through the biconvex nonspherical len and focuses on the photosensitive resistor array, a control circuit judges the solar position variation according to the current variation of the photosensitive resistor array and outputs control signals to control the step motor, the step motor regulates the pitching and horizontal angles of the whole system according to the control signals, so as to ensure the system to be right opposite to the sun. And the invention raises visible light collecting efficiency, improves solar tracking accuracy and largely reduces system cost.

The embodiment of the invention relates to the technical field of energy, and particularly relates to an energy cloud service system and a communication method thereof. The communication method comprises the steps that a plurality of cloud terminal servers collect data information of field equipment on site actively or passively, the plurality of cloud terminal servers convert the data information into data information with a uniform format and send the data information to a message server cluster, the message server cluster stores the data information into storage spaces corresponding to the plurality of cloud terminal servers, and the data information is acquired by a cloud platform server cluster. Therefore, the field equipment perform asynchronous decoupling and load balancing and ensure reliable delivery of information through network communication between the cloud terminal servers and the cloud platform server cluster, and the cloud platform server cluster can perform remote asynchronous communication management on the subordinate field equipment of the cloud terminal servers through a network. In addition, the energy cloud service system can also provide a higher data load and communication load capacity under the same hardware resource condition, and thus the production, operation and maintenance cost of enterprises can be reduced.