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Offshore renewable energy source comprehensive power generating system
InactiveCN102182635AAchieve optimal utilizationImprove securitySingle network parallel feeding arrangementsHydro energy generationTransformerEngineering
The invention relates to an offshore renewable energy source comprehensive power generating system, belonging to the technical field of renewable energy source power generation. The comprehensive power generating system comprises a single pile structure (1), three power generating devices and an electrical connecting circuit. The three power generating devices comprise a wind power generating device, a wave energy power generating device and a tidal energy power generating device which are respectively connected with a direct-current bus (19) in the comprehensive power generating system in parallel by three direct-drive permanent magnet generators (3-1, 3-2, 3-3) and three rectifiers (16-1, 16-2, 16-3), and connected to a reverser (21) on the bank by a seabed cable (20), and finally merged in a power grid by a boosting transformer (22). The offshore renewable energy source comprehensive power generating system can integrate the offshore wind energy power generation, wave energy power generation and tidal energy power generation to an organic combined body, and realizes the compatibility of various power generating devices and the credible connection of various power generating devices with the power grid by the electrical connecting system.
Owner:HOHAI UNIV
Data processing method and system of data library
InactiveCN101105793ASolve the problem of inconsistent synchronization timeGuaranteed processing timeMultiprogramming arrangementsSpecial data processing applicationsData synchronizationData warehouse
The invention discloses a data handling method and a system in database to solve the problem that the single course treatment requires great amount of time and manpower cost and can not handle abnormities in ETL process. The method includes: arrange data synchronous configuration table and data refreshing configuration table; configuration information of the corresponding data source, start up a plurality of synchronous courses in parallel; refreshing grades, and start up a plurality of refreshing courses to make sequential synchronous and refreshing treatment on a plurality of data sources. The invention also includes parallel monitoring treatment; periodically checking synchronous refreshing information table; any abnormity discovered should be recorded in the alarm information table; the invention also includes parallel alarm treatment: Periodically checking alarm information table; alarm information should be sent immediately for new abnormities. The invention enhances the efficiency of synchronization and refreshing and saves a great deal of time and manpower cost. Real-time monitoring ensures timely handling of problems and safe, reasonable, and stable operation of database.
Owner:ALIBABA GRP HLDG LTD
Resource utilization method of livestock and poultry breeding wastes
ActiveCN104150987AHigh calorific valueReduce moisture contentBio-organic fraction processingClimate change adaptationFecesResource utilization
The invention discloses a resource utilization method of livestock and poultry breeding wastes. The method comprises the following steps of carrying out solid-liquid separation on livestock and poultry breeding wastes to obtain solid manures and breeding wastewater, composting solid manures at a high temperature and carbonizing to prepare biomass carbon and carrying out biogas fermentation on the breeding wastewater and concentrating to obtain a liquid fertilizer. By adopting the method disclosed by the invention, livestock and poultry breeding wastes are subjected to optimal utilization in form of material and energy to obtain biomass carbon and the concentrated liquid fertilizer capable of being applied to the agricultural production and thus the resource utilization of wastes is achieved, and the recycling of resources can be realized inside a livestock and poultry breeding wastes treatment region to achieve the purposes of reducing energy consumption and pollutant emission.
Owner:ZHEJIANG UNIV
Oil shale rotary kiln dry distillation and circulating fluidized bed combustion process
InactiveCN102533296AImprove combustion efficiencyControl generationDirect heating destructive distillationBiofuelsBottom ashInternal combustion engine
An oil shale rotary kiln dry distillation and circulating fluidized bed combustion process makes organic combination of a rotary kiln dry distillation with a circulating fluidized bed; oil shale particles are mixed with thermal-cycle ash from a circulating fluidized bed boiler and part of circulating fluidized bed boiler bottom ash, and then are sent into a rotary kiln for dry distillation to prepare shale oil and dry distillation coal gas; the dry distillation coal gas has a high calorific value; a part of the coal gas is used as recycle wind of a semicoke material recycle device, and enters the circulating fluidized bed boiler with oil shale semicoke particles for combustion, and the residual part is delivered into an internal combustion engine for combustion generation. The invention can increase shale oil and coal gas quality, reduce energy loss and environment pollution, and improve the comprehensive utilization degree.
Owner:SHANGHAI JIAO TONG UNIV
Cluster framework capable of realizing cloud computing flexible service
ActiveCN105025095AAchieve optimal utilizationDynamic Load BalancingTransmissionResource utilizationService information
The invention discloses a cluster framework capable of realizing cloud computing flexible service. The cluster framework comprises a service registering system, a configuration center, a load balancer and a management system. The service registering system is used for registering service information; the configuration center collects the service information and resources and stores the service information and resources, and carries out dynamic update through monitoring service running state and expected state; the management system obtains the service information and resources from the configuration center, establishes a resource-service data table, and obtains the running state of the current service from the configuration center regularly; and the load balancer realizes load balance of the service according to the resource-service data table. Through the mode above, the cluster framework can integrate components with different functions, and realizes service discovery and optimal resource utilization and load balance of the service.
Owner:FUJIAN TQ DIGITAL
Integrated power generation system for compressed air energy storage and combined cycle
ActiveCN103233820AImprove thermal economyAchieve optimal utilizationGas turbine plantsSteam engine plantsThermal energyThermal energy storage
The invention discloses an integrated power generation system for compressed air energy storage and combined cycle. The integrated power generation system comprises a compressed air energy storage system, an air turbine power generation system, a gas turbine power generation system, a steam turbine power generation system and a heat storage device and a cold storage device, wherein the compressed air energy storage system is formed by sequentially connecting a motor, an air compressor and a large air storage chamber; the large air storage chamber supplies compressed air to the air turbine power generation system and the gas turbine power generation system; the heat storage device is used for absorbing the exhausted air sensible heat of the air compressor, and heating water supplied by the steam turbine power generation system through a water supply heat exchanger; and the cold storage device is used for acquiring cooling quantity from the low-temperature exhausted air of an air turbine, and performing heat exchange with a condenser of the steam turbine power generation system. The compressed air energy storage system is organically combined with a gas-steam combined cycle power generation system, heat energy in air compression and expansion links is optimally utilized, and the heat economy of the power generation system and the peak shaving performance of a power grid are improved.
Owner:甘肃西拓能源有限公司
Power generation planning method for power system with pumped storage power station
ActiveCN103699938AAchieve optimal utilizationLow running costForecastingBiological modelsLocal optimumPower station
The invention discloses a power generation planning method for a power system with a pumped storage power station. The power generation planning method is characterized by comprising the following steps: firstly, making a repairing plan, and acquiring a load curve of the power system; secondly, under constraint conditions of load balance, set stressing and climbing limits, system spinning reserve and pumped storage power station capacity, establishing a model with the minimum sum of the power generating cost and the start-stop cost of all thermal power generating sets within a scheduling period as an objective; finally, solving according to a basic particle swarm algorithm under chaos control. By the power generation planning method, the problems that during calculation of a power generation planning model of the power system, convergence is poor and local optimum easily appears are effectively solved, so that a more reasonable power generation plan of the power system can be made.
Owner:NORTH CHINA ELECTRIC POWER UNIV (BAODING) +1
Method for constructing spaceborne SAR signal high precision phase-keeping imaging processing platform
ActiveCN101685159AGuaranteed Absolute Phase AccuracyHigh phase accuracyRadio wave reradiation/reflectionArray data structureFrequency domain
The present invention provides a method for constructing spaceborne SAR signal high precision phase-keeping imaging processing platform, comprising the following steps: 1) solving the spaceborne SAR data imaging processing parameters; 2) reading spaceborne SAR echo data in frame and storing in the form of two dimension complex array; 3) performing Fast Fourier Transform in the oriental direction;4) carrying out Doppler centroid circular shifting in the range-Doppler domain; 5) signal interpolating in range-Dopper domain; 6) performing Fast Fourier Transform in the distance direction; 7) performing distance migration correction and compression on data in wave-number domain, finishing focusing in distance direction and compensating residual complex constant phase terms; 8) performing FastInverse Fourier Transform in the distance direction; 9) focusing in oriental direction in range-Dopper domain and compensating residual complex constant phase terms; and 10) performing Fast Inverse Fourier Transform in the oriental direction and compensating linear phase error caused by circular shifting. The method can fast and flexibly finish the phase keeping-imaging processing of SAR signal.
Owner:BEIHANG UNIV
Method for guaranteeing transmission quality of security monitoring data in wireless local area network
InactiveCN101674614AReal-time transmissionIntelligent adjustment of data streamNetwork traffic/resource managementData streamCommunication bandwidth
The invention discloses a method for guaranteeing the transmission quality of security monitoring data in a wireless local area network, belonging to the wireless security monitoring field. The methodof the invention comprises the following steps: 1) wireless nodes register at the access point of the wireless device and provide the configuration information containing the priority of the wirelessnodes to the access point of the wireless device; 2) the access point of the wireless device initializes the bandwidth of each wireless node; 3) access point of the wireless device monitors the communication bandwidth of the wireless nodes and the uplink bandwidth of the access point and judges whether the uplink bandwidth is sufficient or not according to the monitoring result; 4) if not, the bandwidth allocation is performed according to the priority of the wireless nodes; and 5) the wireless nodes automatically regulate the data stream according to the obtained bandwidths. Compared with the prior art, the method of the invention optimizes the network resource, reduces the delay and packet loss rate of data transmission and greatly improves the transmission quality of security monitoring data.
Owner:北京携远天成技术有限公司
Virtual connection supporting real-time embedded gateway based on controller area network (CAN) bus and Ethernet
InactiveCN102158435AImprove real-time performanceSolve the bottleneck problem that the real-time reliability cannot be improvedNetwork connectionsExtensibilityArea network
The invention discloses a virtual connection supporting real-time embedded gateway based on a controller area network (CAN) bus and Ethernet. The real-time embedded gateway comprises hardware, a supporting module and a virtual connection module. A plurality of embedded development boards simultaneously with CAN bus interfaces and Ethernet interfaces are adopted, and are connected by the CAN bus to form a virtual connection service supporting trunking system. The supporting module of the gateway consists of a driver, a mu c-OS II operating system and a light weight Internet protocol (LWIP) protocol stack. The virtual connection module comprises a virtual connection protocol sub-module and a virtual connection state sensing sub-module, and is used for finishing actual virtual connection forwarding and maintenance work. The real-time embedded gateway has the advantages of configuration flexibility, high adaptability, high extensibility, low energy consumption and the like, and is applied to data acquisition and transmission systems of relatively larger scales.
Owner:深圳市千方航实科技有限公司
Test method, test driver and test platform
InactiveCN106502898ARealize unified schedulingEasy to useSoftware testing/debuggingTest efficiencyTest input
The invention discloses a test method, a test driver and a test platform. The test driver includes a data loading module configured to analyze a test case of a system to be tested so as to endow a case object to a number value defined by the test case, wherein the number value defined by the test case at least includes a test input value and a desired output value; and a test logic module configured to test the system to be tested according to a preset test logic by using the case object provided by the data loading module. Based on the concept of a driver model, separation of the test data and the test logic can be achieved; the whole test process is served through a distributed platform architecture, the automatic level of the test process is improved, standardized management and use of a test user can be achieved, and in this way, the test participation difficulty is reduced, the test efficiency is improved, and the test cost is reduced.
Owner:GUANGZHOU SHENMA MOBILE INFORMATION TECH
Microgrid electric energy transaction method based on master-slave intelligent contract
InactiveCN110119963AAccurate and efficient executionEfficient interconnectionMarket predictionsFinanceInternet communicationElectricity price
Owner:XIANGTAN UNIV
POS machine operation service system
InactiveCN103778504AImprove efficiencyStandardize and standardizeResourcesPoint-of-sale network systemsService systemService information
The present invention discloses a POS machine operation service system. The POS machine operation service system comprises the steps of: an information management module, a user management module, an equipment management module, a newly mounted equipment management module, an equipment failure processing management module, an equipment inspection management module, an equipment changing and withdrawing management module, and a GIS-based geographical information management module. Through the POS machine operation service system, comprehensive maintenance service information of an equipment file, an operation flow, user data, repairing and service condition, inspection condition, etc. are established for each operation item; so that area dividing, digital receiving and dynamic distribution are performed on traditional equipment mounting and maintenance operation through a digitalized and informationized interactive service platform.
Owner:ZHEJIANG ACTIVETECH ELECTRONICS TECH CO LTD
Method for preparing anhydrous aluminum chloride by microwave chlorination of fly ash
InactiveCN106006692AFast heatingRapid responseAluminium chloridesEnergy based chemical/physical/physico-chemical processesAluminium chlorideSolid carbon
The invention relates to a method for preparing anhydrous aluminum chloride by microwave chlorination of fly ash and belongs to the technical field of aluminum chloride production. The method comprises a step 1 of causing high-alumina fly ash to undergo microwave heating chlorination decomposition: adding the high-alumina fly ash into solid carbon, performing mixing evenly, leading chlorine into the mixture, adopting a microwave fluidized bed with a microwave frequency of 2.3-2.5 GHz to perform heating for 5-60 min to reach 300-1200 DEG C, maintaining the constant temperature for 10-60 min, fully decomposing the high-alumina fly ash, and obtaining various chlorinated mixed gases containing aluminum chloride; a step 2 of performing separation and purification: causing the various chlorinated mixed gases containing aluminum chloride to undergo impurity removal and refining through a three-level condensation recycling device, and obtaining the anhydrous aluminum chloride product with a purity of larger than 99%. According to the method, the fly ash is adopted as a raw material to directly produce anhydrous aluminum chloride, the additional value of the product is improved, and the shortcomings of complexity in operation, high energy consumption and high production cost in the prior art are overcome through the method.
Owner:NORTHEASTERN UNIV
Centralized heating system with industrial waste heat integrated utilization function and using method thereof
ActiveCN106989430AAchieve optimal utilizationAdaptableLighting and heating apparatusEnergy efficient heating/coolingProcess engineeringTransport network
The invention relates to a centralized heating system with an industrial waste heat integrated utilization function and a using method thereof. The centralized heating system comprises an industrial waste heat collecting subsystem, a heat transport network and a tail end heat utilization subsystem. The industrial waste heat collecting subsystem comprises a circulating water waste heat collecting device, a low-temperature waste heat material heat exchanger and an in-plant electric heating pump. The heat transport network comprises a primary network water supply pipeline, a primary network water return pipeline, a secondary network water supply pipeline, a secondary network water return pipeline, a circulating water supply pipeline, a circulating water return pipeline and a low-temperature waste heat material pipeline. The tail end heat utilization subsystem comprises a heating network water heat extracting device and a tail end electric heating pump. According to the centralized heating system and the using method thereof, by arranging the combination of the circulating water heat exchanger, the low-temperature waste heat material heat exchanger and the heating pumps on the in-plant heat source side, circulating water waste heat, technological material waste heat and the like can be recycled at a time according to the temperature grade, waste heat which cannot be recycled through direct heat exchange is recycled through the heating pumps, and gradient utilization of the industrial waste heat and optimized utilization of in-plant waste heat resources are achieved.
Owner:TSINGHUA UNIV
Energy-saving peak-shifting intelligent water supply system based on cloud technology
ActiveCN110284556AAchieve optimal utilizationRealize overall planning and savingsGeneral water supply conservationForecastingWater useWater storage tank
The invention relates to the field of intelligent water supply management systems, and discloses an energy-saving peak-shifting intelligent water supply system based on a cloud technology. The energy-saving peak-shifting intelligent water supply system is characterized by comprising pump houses, water storage tanks, water pump units, water supply pipeline assemblies, data acquisition and transmission units, pump house monitoring units, intelligent water tank adjusting and controlling units, hydraulic data monitoring units, water quality monitoring and treatment units, pipe network hydraulic data monitoring units, a cloud platform server and a cloud platform big data analysis module. The energy-saving peak-shifting intelligent water supply system has the beneficial effects that at the moment which is not water use busy hours, the water storage tanks are subjected to regulation and storage as a whole, pipe network water supply resources are optimized and distributed, the instant water demand on a municipal water supply pipe network during the water use busy hours is reduced, the fluctuation range of the pressure of the water supply pipe network is narrowed, fluctuation of the pressure of the water supply pipe network is low, the phenomenon of leakage of the pipe network can be reduced, stable water supply of a water plant system is guaranteed, the rebuilding requirements of the water factory municipal water supply pipe network and the water supply pipe assemblies are lowered, and national water supply resources and ancillary facilities are saved.
Owner:ANHUI SHUNYU WATER AFFAIRS CO LTD
Method for preparing seaweed plant growth regulator by using whole biological enzymolysis method
InactiveCN107236766AImprove retentionHigh purityBiocidePlant growth regulatorsGrowth plantHydrolysate
The invention relates to a method for preparing a seaweed plant growth regulator by using a whole biological enzymolysis method. The method comprises the nine steps of preparation before production, pre-treatment of material, primary enzymolysis, enzymatic hydrolysate edulcoration, enzymatic hydrolysate homogenization, secondary enzymolysis, post-treatment, separation and purification of somatotropin and final fertilizer configuration. According to the method provided by the invention, commodity complex enzyme is used for performing enzymolysis on the seaweed, complexity of pre-treatment of enzymolysis technology, such as seaweed soaking, cleaning, edulcorating and grinding and the disadvantage that active material is lost due to caused by the pre-treatment are overcome, the fresh seaweed or the dried seaweed are directly, integrally, tenderly and efficiently softened and enzymatically decomposed, active material in the seaweed is furthest reserved, and effect and quality of seaweed fertilizer are ensured.
Owner:YELLOW SEA FISHERIES RES INST CHINESE ACAD OF FISHERIES SCI +1
Optimizing method for wireless ubiquitous heterogeneous network resources
ActiveCN102984736AAchieve optimal utilizationEnsure access fairnessWireless communicationHeterogeneous networkUtilization rate
The invention provides an optimization method for wireless ubiquitous heterogeneous network resources, which comprises the steps that a heterogeneous network resource optimization model is constructed; information channels are allocated by a non-cooperation game theory method; utility functions of various terminal devices are established; a heterogeneous network resource optimization formula is decomposed by a lagrangian function method; optimization methods for throughputs of various networks are solved respectively; and a band width number to be allocated is obtained according to a relation between the throughputs and band widths. With the adoption of the method, the corresponding band widths are provided for different terminals at any time according to changing of the information channels, the network access equity and the maximum band width utilization ratio are ensured, band width allocation of the different terminals are optimized on the premise that the changing of the information channels is taken into full consideration, and the optimized utilization of the wireless resources of a heterogeneous network is realized.
Owner:NANJING UNIV OF POSTS & TELECOMM
Combined trough-tower concentration manner-based solar gasification system
ActiveCN104862010AOptimizing Thermal Energy EfficiencyReduce irreversible lossEnergy inputCombined combustion mitigationTarProcess engineering
The invention discloses a combined trough-tower concentration manner-based solar gasification system which comprises an intermediate-temperature trough solar pyrolysis absorption reactor, a high-temperature rotating solar gasification reactor, a cyclone separator, an afterheat recovery device, a gas purification device, a heliostat field and a hyperboloid reflector. According to the system, different types of solar concentration devices and reactors are adopted for sequentially and independently finishing the pyrolysis and gasification reaction of a solid fuel, the intermediate-temperature trough solar pyrolysis absorption reactor is used for realizing the pyrolysis reaction of the solid fuel to obtain tar and coke at first, the heliostat field and the hyperboloid reflector are further used for acquiring high-concentration rate solar energy, and the high-temperature rotating solar gasification reactor is used for finishing reaction such as tar cracking and coke gasification; by the system, biomasses are efficiently gasified, the irreversible loss in a concentration gasification process is reduced, and the tar content of synthetic gas obtained by gasification is reduced.
Owner:INST OF ENGINEERING THERMOPHYSICS - CHINESE ACAD OF SCI
Linolenic acid-rich linseed oil and novel low-temperature cold pressing process thereof
InactiveCN103305333ARetain functional ingredientsPlay a health roleFatty-oils/fats productionEdible oils/fatsIndustrial cropProcess engineering
The invention discloses linolenic acid-rich linseed oil and a novel low-temperature cold pressing process thereof. The novel low-temperature cold pressing process comprises the pre-treatment steps of: cleaning linseeds, removing impurities, rinsing, drying, crushing and sieving and the like. Four-element (cold pressing temperature, cold pressing pressure, material moisture content and material grain size) two-level factorial experiment is utilized to screen out three main interference factors including cold pressing pressure, material moisture content and material grain size; by using the linolenic acid content in finished product as an measurement index, response surface analysis is carried out for optimized analysis to obtain the best, environment-friendly and practical method of low-temperature cold pressing, so that the linolenic acid ingredients in the linseed oil are kept to the greatest extent; the obtained product can be used as functional food for being directly edible or additional material for being added to other food, so that the health-care effect is enhanced, and the comprehensive development utilization of the agricultural industrial crop flax in northern China is convenient.
Owner:HEBEI AGRICULTURAL UNIV.
Multicast flow forwarding method and multicast router in local area network
InactiveCN102158415AOptimize utilizationAvoid waste of processing resources and link bandwidth resourcesSpecial service provision for substationTraffic volumeShortest-path tree
The invention relates to a multicast flow forwarding method and a multicast router in a local area network. The method comprises the following steps of: enabling a non-DR (Designated Router) to enter a delay waiting state when a non-DR local access interface detects multicast flow forwarded by a DR; if the delay waiting overtimes, transmitting a PIM (Protocol Independent Multicast) access message to an upstream router in the RP (Rendezvous Point) or S (Source) direction; after the multicast flow is received from an RPT (Rendezvous Point Tree) or SPT (Shortest Path Tree), forwarding the multicast flow to the local area network; receiving an Assert message sent by the DR when the DR detects the multicast flow at a downstream outbound interface; and competing with the DR to forward the multicast flow according to the Assert message and a local routing metric value. In the invention, by introducing a non-DR local access interface principle and expanding the disposal to the non-DR local access interface type in the Assert process, when the non-DR competes with the DR to forward the multicast flow according to the Assert message and the local routing metric value to realize that a downstream multicast router does not exist in the local area network, a host receiver still receives the multicast flow from the router on the optimal path from the RP or S to the local area network, and therefore, the optimizing utilization to network resources is achieved.
Owner:ZTE CORP
Compressed air energy storage system
InactiveCN103727011AEnsure safety and stabilityPrevent alternating hot and coldPump installationsPositive-displacement liquid enginesAir compressionThermal energy storage
The invention discloses a compressed air energy storage system which comprises a motor, an air compression unit connected with the motor, an air storage chamber storing compressed air and a temperature controller controlling the temperature inside the air storage chamber. A water atomizing and spraying mechanism used for keeping the temperature inside the air storage chamber stable and a temperature sensor used for measuring the temperature inside the air storage chamber. The air compression unit is used for sucking in air, and after the air is compressed, the air compression unit delivers the compressed air to the air storage chamber through an air channel to be stored. The temperature controller is connected with the temperature sensor so as to receive signals of the temperature sensor. The temperature controller is arranged in a pipeline connected with the water atomizing and spraying mechanism so as to control the work state of the water atomizing and spraying mechanism according to the signals, guarantee that the temperature of the air inside the air storage chamber is kept in a relatively stable temperature interval all the time, prevent frequent alternation of heat and cold of the inner wall of the air storage chamber and guarantee that the air storage chamber is safe and stable.
Owner:TSINGHUA UNIV +1
Automatic cutting system and cutting method thereof
InactiveCN102033512AOptimize nesting resultsAchieve optimal utilizationProgramme controlComputer controlComputer Aided DesignNumerical control
The invention discloses an automatic cutting system and a cutting method thereof. The automatic cutting system comprises an input / output circuit, a layout optimizing circuit, a cutting scheduling circuit and a numerical control cutting circuit, wherein the input / output circuit receives layout task data of an enterprise resource planning / computer aided design (ERP / CAD) system and returns a layout result of the layout optimizing circuit to the ERP / CAD system; the layout optimizing circuit performs layout optimizing calculation on data of the input / output circuit to generate an optimal layout graph scheme; the cutting scheduling circuit receives the optimal layout graph scheme of the layout optimizing circuit and reasonably decomposes the scheme into cutting tasks of a plurality of cutting machines; and the numerical control cutting circuit receives the cutting tasks of the cutting scheduling circuit and controls the cutting of the cutting machines. The independent layout optimizing circuit is connected to the cutting system, and the automatic cutting system has a set of total technical solution, can realize manufacturing automation by integrating the cutting process requirement of a production design with manufacturing equipment, improves the utilization rate of raw materials and cutting work efficiency, and optimizes factory management.
Owner:王石
Intelligent recording system for power supply and method
ActiveCN102116810AEasy to controlAchieve optimal utilizationElectrical testingTime integral measurementElectricityEngineering
The invention relates to an intelligent recording system for a power supply, which comprises an electricity detection module and a recording device, wherein the electricity detection module is used for detecting the running state of electric equipment and generating and outputting the running state data of the electric equipment; and the recording device is used for receiving the running state data of the electric equipment, calculating the electricity consumption of the electric equipment and deriving the electricity data which records the electricity consumption of the electric equipment. An electricity port or the running state of the electric equipment is monitored on a real-time basis by monitoring the current, and on the basis, the remote and real-time calculation and monitoring to the electricity port or the power consumption of the electric equipment is realized. The intelligent recording system is reasonable and reliable to design and is convenient to execute, thereby laying the foundation for realizing the control and the optimal utilization to energy resources; the energy can be pertinently saved according to the energy consumption of the electric equipment; and the foundation is laid for realizing the intelligent home control.
Owner:SHENZHEN CAS DERUI INTELLIGENT TECH CO LTD
Comprehensive benefit evaluation method of reactive power compensation device based on fuzzy comprehensive evaluation method
InactiveCN106503915AAchieve optimal utilizationFuzzy logic based systemsResourcesPower compensationElectric power transmission
The invention discloses a comprehensive benefit evaluation method of a reactive power compensation device based on the fuzzy comprehensive evaluation method. The method comprises the steps of establishing a comprehensive benefit evaluation index system of the reactive power compensation device in a power transmission and distribution system; determining n to-be-evaluated configuration schemes for the reactive power compensation device among the nodes of the power transmission and distribution system, collecting evaluation indexes and subjecting the evaluation indexes to hierarchical reduction; conducting the normalization treatment; making indexes being dimensionless; conducting the comprehensive weighting method to determine a comprehensive weight for the above dimensionless evaluation indexes; and subjecting the above to-be-evaluated configuration schemes for the reactive power compensation device to comprehensive evaluation based on the fuzzy comprehensive evaluation method. According to the technical scheme of the invention, the application comprehensive benefits of different types of reactive power compensation devices in the power transmission and distribution system are measured and calculated. In this way, a scientific decision basis is provided for the reactive power investment of all market participants. Meanwhile, the planning and the constructing of the reactive power compensation device can be effectively guided. Therefore, the optimized utilization of reactive power sources on the power grid side can be realized.
Owner:STATE GRID TIANJIN ELECTRIC POWER +1
Method for preparing metal aluminum through microwave chlorination of coal ash
Disclosed is a method for preparing metal aluminum through microwave chlorination of coal ash. The method specifically comprises the following steps that carbon is added into the high-aluminum coal ash, the carbon and the coal ash are mixed evenly, and chlorine is led in; heating is conducted for 5-60 min through a microwave fluidized bed to 300-1200 DEG C, and constant temperature is kept for 10-60 min; the high-aluminum coal ash is fully decomposed, and various chlorinated mixed gases containing aluminum chloride are obtained; then through purification and rectification, aluminum chloride anhydrous with the purity being 99% or above is obtained; a sodium hydroxide solution is added to the aluminum chloride anhydrous to obtain an intermediate product, and through precipitation, filtration and solid-liquid separation, aluminum hydroxide precipitates and a sodium chloride solution are obtained; aluminum hydroxide is precipitated, calcination is conducted at the temperature of 800-1200 DEG C, and aluminum oxide is generated through decomposition; and the aluminum oxide is electrolyzed to obtain the metal aluminum. According to the method, the technological process is simple, and a clean technology with low energy consumption is achieved. Chlorine and sodium hydroxide generated by a system are both recycled, and effective full element separation utilization can also be achieved. No discharging of waste water or waste acid or waste alkali liquor occurs in the system, and zero discharging of three wastes is achieved basically.
Owner:NORTHEASTERN UNIV
Ammonia fuel cell system and electric device
PendingCN110277578AGuaranteed uptimeIncrease flexibilityFuel cell heat exchangeHydrogen/synthetic gas productionExternal energyDecomposition
The invention belongs to the technical field of ammonia decomposition, in particular to an ammonia fuel cell system and an electric device. The ammonia fuel cell system comprises an ammonia decomposition reaction device, a heating device, a hydrogen fuel cell, a DC / DC converter and an inverter which are connected in sequence, a battery pack and a heat exchanger. The ammonia fuel cell system can run stably for a long time and form recycling utilization and have the advantages of high flexibility, low energy consumption and high system utilization rate. The heat exchanger of the system can make the energy produced by ammonia decomposition preheat ammonia gas and realize recovery and utilization of waste heat. The battery pack can make the battery pack respond quickly and output stably and can deal with acceleration and deceleration of the electric device quickly so as to improve the stability of system operation and can transmit the electric energy generated by the hydrogen fuel cell or the electric energy in the battery pack to the outside. The battery pack or the heating device of the system can provide energy for the ammonia decomposition reaction device without external energy for the ammonia decomposition reaction device.
Owner:福大紫金氢能科技股份有限公司
Preparation technology and application of porous defect carbon material derived from petroleum coke
InactiveCN109368614AMany active sitesPore structurePhysical/chemical process catalystsCarbon preparation/purificationResource utilizationCatalytic oxidation
The invention belongs to the field of resource utilization of wastes and preparation of catalytic materials and discloses a preparation technology of a porous defect carbon material derived from petroleum coke and application of the porous defect carbon material to a catalytic oxidation desulphurization reaction process of diesel oil. According to the porous defect carbon material, the petroleum coke is used as a raw material, and urea, melamine or biuret and the like are used as a pore-forming agent; then a multi-step high-temperature calcination and activation process is carried out to realize successful preparation of the porous defect carbon material. The porous defect carbon material prepared by the preparation technology has abundant active sites and the surface of the material contains a lot of oxygen-containing functional groups; and the porous defect carbon material has a mesoporous structure and is an excellent catalyst which is used as active molecular oxygen to oxidize andremove aromatic sulfides including dibenzothiophene and the like in the diesel oil. The porous defect carbon material is used as a metal-free catalyst and can be dispersed relatively well in a catalysis process; and the porous defect carbon material has excellent catalytic activity, selectivity and recycling performance.
Owner:JIANGSU UNIV
Multi-service multiplexing processing method, apparatus and system
ActiveCN106919590AFlexible configurationAchieve optimal utilizationDatabase management systemsSpecial data processing applicationsMultiplexingUniversal service
The invention discloses a multi-service multiplexing processing method, apparatus and system. The multi-service multiplexing processing system comprises a service interface layer used for receiving a service operation request sent to the system and outside the system, a service data routing layer used for calling a universal service operation instruction from a universal instruction library, constructing an actual service operation instruction according to a to-be-processed service type and routing the service operation request received by the service interface layer to a corresponding database, the universal instruction library for storing the universal service operation instruction in which an actual storage position of operation object data is not specified, and the database used for storing service data. According to the technical scheme, based on the reusability of service operation logic, a service function can be directly realized only by adding a set of database configuration during addition of a new service, so that the development and maintenance costs are effectively reduced.
Owner:ADVANCED NEW TECH CO LTD
Biomass combined heat and power generation system capable of recycling steam exhaust and smoke waste heat at the same time
PendingCN109681281AAchieve optimal utilizationReduce water consumptionHeat recovery systemsLighting and heating apparatusCooling towerEngineering
The invention provides a biomass combined heat and power generation system capable of recycling steam exhaust and smoke waste heat at the same time, and belongs to the technical field of biomass energy use. The system comprises a biomass boiler, a steam turbine, a steam exhaust heat exchanger, a condenser, a cooling tower, a boiler water supply heater, a smoke emission reduction and waste heat recycling integrated unit, a smoke spraying water heat exchanger, a chimney, a power grid, an end electric heat pump, a user heat exchanger, a connecting pipeline and a valve. The smoke emission reduction and waste heat recycling integrated unit comprises a desulfurizing tower and a waste heat recycling tower; the electric heat pump mixed water heat supply manner is adopted on the user side to reducethe heat supply network water returning temperature, through direct heat exchange, smoke condensation latent heat and steam exhaust waste heat in a power plant can be recycled in a gradient manner, the heat supply capacity of a biomass power plant can be increased, and the optimal biomass energy comprehensive use efficiency is obtained.
Owner:TSINGHUA UNIV
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